Order 1 NR

1 files changed, 8790 insertions, 2169 deletions

diff --git a/shotcut_projects/merchant/order1/order1.mlt b/shotcut_projects/merchant/order1/order1.mlt
index fd9b2b6..a14a130 100644
--- a/shotcut_projects/merchant/order1/order1.mlt
+++ b/shotcut_projects/merchant/order1/order1.mlt
@@ -130,8 +130,8 @@
     <entry producer="producer2" in="00:00:00.000" out="00:00:03.960"/>
     <entry producer="producer3" in="00:00:00.000" out="00:00:03.960"/>
   </playlist>
-  <producer id="black" in="00:00:00.000" out="00:12:42.280">
-    <property name="length">00:12:42.320</property>
+  <producer id="black" in="00:00:00.000" out="00:10:26.200">
+    <property name="length">00:10:26.240</property>
     <property name="eof">pause</property>
     <property name="resource">0</property>
     <property name="aspect_ratio">1</property>
@@ -140,16 +140,16 @@
     <property name="set.test_audio">0</property>
   </producer>
   <playlist id="background">
-    <entry producer="black" in="00:00:00.000" out="00:12:42.280"/>
+    <entry producer="black" in="00:00:00.000" out="00:10:26.200"/>
   </playlist>
-  <chain id="chain0" out="00:34:36.440">
-    <property name="length">00:34:36.480</property>
+  <chain id="chain0" out="00:33:28.720">
+    <property name="length">00:33:28.760</property>
     <property name="eof">pause</property>
-    <property name="resource">/Volumes/LaCie/GNU Taler films/ONLINE/tutorial-videos/original_media/merchant/order1/Screen Recording 2024-01-15 at 02.48.38.mov</property>
+    <property name="resource">/Volumes/LaCie/GNU Taler films/ONLINE/tutorial-videos/original_media/merchant/order1/Screen Recording 2024-01-22 at 04.02.43.mov</property>
     <property name="mlt_service">avformat-novalidate</property>
     <property name="meta.media.nb_streams">2</property>
     <property name="meta.media.0.stream.type">video</property>
-    <property name="meta.media.0.stream.frame_rate">37.955</property>
+    <property name="meta.media.0.stream.frame_rate">37.6514</property>
     <property name="meta.media.0.stream.sample_aspect_ratio">0</property>
     <property name="meta.media.0.codec.width">3456</property>
     <property name="meta.media.0.codec.height">2160</property>
@@ -160,8 +160,8 @@
     <property name="meta.media.0.codec.color_trc">1</property>
     <property name="meta.media.0.codec.name">h264</property>
     <property name="meta.media.0.codec.long_name">H.264 / AVC / MPEG-4 AVC / MPEG-4 part 10</property>
-    <property name="meta.media.0.codec.bit_rate">24972958</property>
-    <property name="meta.attr.0.stream.creation_time.markup">2024-01-15T02:24:11.000000Z</property>
+    <property name="meta.media.0.codec.bit_rate">25741987</property>
+    <property name="meta.attr.0.stream.creation_time.markup">2024-01-22T03:04:03.000000Z</property>
     <property name="meta.attr.0.stream.handler_name.markup">Core Media Video</property>
     <property name="meta.attr.0.stream.vendor_id.markup">[0][0][0][0]</property>
     <property name="meta.attr.0.stream.encoder.markup">H.264</property>
@@ -171,57 +171,1043 @@
     <property name="meta.media.1.codec.channels">1</property>
     <property name="meta.media.1.codec.name">aac</property>
     <property name="meta.media.1.codec.long_name">AAC (Advanced Audio Coding)</property>
-    <property name="meta.media.1.codec.bit_rate">125820</property>
-    <property name="meta.attr.1.stream.creation_time.markup">2024-01-15T02:24:11.000000Z</property>
+    <property name="meta.media.1.codec.bit_rate">125731</property>
+    <property name="meta.attr.1.stream.creation_time.markup">2024-01-22T03:04:03.000000Z</property>
     <property name="meta.attr.1.stream.handler_name.markup">Core Media Audio</property>
     <property name="meta.attr.1.stream.vendor_id.markup">[0][0][0][0]</property>
     <property name="meta.attr.major_brand.markup">qt  </property>
     <property name="meta.attr.minor_version.markup">0</property>
     <property name="meta.attr.compatible_brands.markup">qt  </property>
-    <property name="meta.attr.creation_time.markup">2024-01-15T02:24:11.000000Z</property>
+    <property name="meta.attr.creation_time.markup">2024-01-22T03:04:03.000000Z</property>
     <property name="meta.attr.encoder.markup">Lavf60.16.100</property>
     <property name="seekable">1</property>
     <property name="meta.media.sample_aspect_num">1</property>
     <property name="meta.media.sample_aspect_den">1</property>
     <property name="audio_index">1</property>
     <property name="video_index">-1</property>
-    <property name="creation_time">2024-01-15T02:24:11</property>
+    <property name="creation_time">2024-01-22T03:04:03</property>
     <property name="vstream">-1</property>
-    <property name="meta.media.frame_rate_num">4728780</property>
-    <property name="meta.media.frame_rate_den">124589</property>
+    <property name="meta.media.frame_rate_num">60</property>
+    <property name="meta.media.frame_rate_den">1</property>
     <property name="meta.media.colorspace">709</property>
     <property name="meta.media.color_trc">1</property>
-    <property name="meta.media.has_b_frames">1</property>
-    <property name="meta.media.width">3456</property>
-    <property name="meta.media.height">2160</property>
+    <property name="meta.media.has_b_frames">0</property>
+    <property name="meta.media.width">864</property>
+    <property name="meta.media.height">540</property>
     <property name="meta.media.aspect_ratio">1</property>
     <property name="meta.media.color_range">mpeg</property>
     <property name="astream">0</property>
-    <property name="shotcut:hash">460b48940530c197dc6e411af3f9c8e1</property>
-    <property name="shotcut:caption">Screen Recording 2024-01-15 at 02.48.38.mov</property>
+    <property name="shotcut:hash">cc43bc6e55d30bec7a8aac8c39901bee</property>
+    <property name="shotcut:caption">Screen Recording 2024-01-22 at 04.02.43.mov</property>
     <property name="xml">was here</property>
     <property name="meta.media.top_field_first">0</property>
     <property name="meta.media.progressive">1</property>
+    <property name="shotcut:defaultAudioIndex">1</property>
     <property name="meta.attr.com.apple.quicktime.make.markup">Apple</property>
     <property name="meta.attr.com.apple.quicktime.model.markup">MacBookPro18,2</property>
     <property name="meta.attr.com.apple.quicktime.software.markup">macOS 14.2.1 (23C71)</property>
-    <property name="meta.attr.com.apple.quicktime.creationdate.markup">2024-01-15T02:48:48+0100</property>
+    <property name="meta.attr.com.apple.quicktime.creationdate.markup">2024-01-22T04:04:02+0100</property>
+  </chain>
+  <chain id="chain1" out="00:33:28.720">
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+    <property name="eof">pause</property>
+    <property name="resource">/Volumes/LaCie/GNU Taler films/ONLINE/tutorial-videos/original_media/merchant/order1/Screen Recording 2024-01-22 at 04.02.43.mov</property>
+    <property name="mlt_service">avformat-novalidate</property>
+    <property name="meta.media.nb_streams">2</property>
+    <property name="meta.media.0.stream.type">video</property>
+    <property name="meta.media.0.stream.frame_rate">60</property>
+    <property name="meta.media.0.stream.sample_aspect_ratio">0</property>
+    <property name="meta.media.0.codec.width">864</property>
+    <property name="meta.media.0.codec.height">540</property>
+    <property name="meta.media.0.codec.rotate">0</property>
+    <property name="meta.media.0.codec.pix_fmt">yuv420p</property>
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+    <property name="meta.media.0.codec.colorspace">709</property>
+    <property name="meta.media.0.codec.color_trc">1</property>
+    <property name="meta.media.0.codec.name">hevc</property>
+    <property name="meta.media.0.codec.long_name">HEVC (High Efficiency Video Coding)</property>
+    <property name="meta.media.0.codec.bit_rate">10679429</property>
+    <property name="meta.attr.0.stream.creation_time.markup">2024-01-22T03:04:03.000000Z</property>
+    <property name="meta.attr.0.stream.handler_name.markup">Core Media Video</property>
+    <property name="meta.attr.0.stream.vendor_id.markup">[0][0][0][0]</property>
+    <property name="meta.attr.0.stream.encoder.markup">Lavc60.31.102 hevc_videotoolbox</property>
+    <property name="meta.media.1.stream.type">audio</property>
+    <property name="meta.media.1.codec.sample_fmt">fltp</property>
+    <property name="meta.media.1.codec.sample_rate">44100</property>
+    <property name="meta.media.1.codec.channels">1</property>
+    <property name="meta.media.1.codec.name">ac3</property>
+    <property name="meta.media.1.codec.long_name">ATSC A/52A (AC-3)</property>
+    <property name="meta.media.1.codec.bit_rate">256000</property>
+    <property name="meta.attr.1.stream.creation_time.markup">2024-01-22T03:04:03.000000Z</property>
+    <property name="meta.attr.1.stream.handler_name.markup">Core Media Audio</property>
+    <property name="meta.attr.1.stream.vendor_id.markup">[0][0][0][0]</property>
+    <property name="meta.attr.major_brand.markup">isom</property>
+    <property name="meta.attr.minor_version.markup">512</property>
+    <property name="meta.attr.compatible_brands.markup">isomdby1iso2mp41</property>
+    <property name="meta.attr.creation_time.markup">2024-01-22T03:04:03.000000Z</property>
+    <property name="meta.attr.encoder.markup">Lavf60.16.100</property>
+    <property name="seekable">1</property>
+    <property name="meta.media.sample_aspect_num">1</property>
+    <property name="meta.media.sample_aspect_den">1</property>
+    <property name="audio_index">1</property>
+    <property name="video_index">-1</property>
+    <property name="creation_time">2024-01-22T03:04:03</property>
+    <property name="vstream">-1</property>
+    <property name="meta.media.frame_rate_num">60</property>
+    <property name="meta.media.frame_rate_den">1</property>
+    <property name="meta.media.colorspace">709</property>
+    <property name="meta.media.color_trc">1</property>
+    <property name="meta.media.has_b_frames">0</property>
+    <property name="meta.media.width">864</property>
+    <property name="meta.media.height">540</property>
+    <property name="meta.media.aspect_ratio">1</property>
+    <property name="meta.media.color_range">mpeg</property>
+    <property name="astream">0</property>
+    <property name="shotcut:hash">cc43bc6e55d30bec7a8aac8c39901bee</property>
+    <property name="shotcut:caption">Screen Recording 2024-01-22 at 04.02.43.mov</property>
+    <property name="xml">was here</property>
+    <property name="meta.media.top_field_first">0</property>
+    <property name="meta.media.progressive">1</property>
+    <property name="shotcut:defaultAudioIndex">1</property>
+  </chain>
+  <chain id="chain2" out="00:33:28.720">
+    <property name="length">00:33:28.760</property>
+    <property name="eof">pause</property>
+    <property name="resource">/Volumes/LaCie/GNU Taler films/ONLINE/tutorial-videos/original_media/merchant/order1/Screen Recording 2024-01-22 at 04.02.43.mov</property>
+    <property name="mlt_service">avformat-novalidate</property>
+    <property name="meta.media.nb_streams">2</property>
+    <property name="meta.media.0.stream.type">video</property>
+    <property name="meta.media.0.stream.frame_rate">60</property>
+    <property name="meta.media.0.stream.sample_aspect_ratio">0</property>
+    <property name="meta.media.0.codec.width">864</property>
+    <property name="meta.media.0.codec.height">540</property>
+    <property name="meta.media.0.codec.rotate">0</property>
+    <property name="meta.media.0.codec.pix_fmt">yuv420p</property>
+    <property name="meta.media.0.codec.sample_aspect_ratio">0</property>
+    <property name="meta.media.0.codec.colorspace">709</property>
+    <property name="meta.media.0.codec.color_trc">1</property>
+    <property name="meta.media.0.codec.name">hevc</property>
+    <property name="meta.media.0.codec.long_name">HEVC (High Efficiency Video Coding)</property>
+    <property name="meta.media.0.codec.bit_rate">10679429</property>
+    <property name="meta.attr.0.stream.creation_time.markup">2024-01-22T03:04:03.000000Z</property>
+    <property name="meta.attr.0.stream.handler_name.markup">Core Media Video</property>
+    <property name="meta.attr.0.stream.vendor_id.markup">[0][0][0][0]</property>
+    <property name="meta.attr.0.stream.encoder.markup">Lavc60.31.102 hevc_videotoolbox</property>
+    <property name="meta.media.1.stream.type">audio</property>
+    <property name="meta.media.1.codec.sample_fmt">fltp</property>
+    <property name="meta.media.1.codec.sample_rate">44100</property>
+    <property name="meta.media.1.codec.channels">1</property>
+    <property name="meta.media.1.codec.name">ac3</property>
+    <property name="meta.media.1.codec.long_name">ATSC A/52A (AC-3)</property>
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+    <property name="meta.attr.1.stream.creation_time.markup">2024-01-22T03:04:03.000000Z</property>
+    <property name="meta.attr.1.stream.handler_name.markup">Core Media Audio</property>
+    <property name="meta.attr.1.stream.vendor_id.markup">[0][0][0][0]</property>
+    <property name="meta.attr.major_brand.markup">isom</property>
+    <property name="meta.attr.minor_version.markup">512</property>
+    <property name="meta.attr.compatible_brands.markup">isomdby1iso2mp41</property>
+    <property name="meta.attr.creation_time.markup">2024-01-22T03:04:03.000000Z</property>
+    <property name="meta.attr.encoder.markup">Lavf60.16.100</property>
+    <property name="seekable">1</property>
+    <property name="meta.media.sample_aspect_num">1</property>
+    <property name="meta.media.sample_aspect_den">1</property>
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+    <property name="creation_time">2024-01-22T03:04:03</property>
+    <property name="vstream">-1</property>
+    <property name="meta.media.frame_rate_num">60</property>
+    <property name="meta.media.frame_rate_den">1</property>
+    <property name="meta.media.colorspace">709</property>
+    <property name="meta.media.color_trc">1</property>
+    <property name="meta.media.has_b_frames">0</property>
+    <property name="meta.media.width">864</property>
+    <property name="meta.media.height">540</property>
+    <property name="meta.media.aspect_ratio">1</property>
+    <property name="meta.media.color_range">mpeg</property>
+    <property name="astream">0</property>
+    <property name="shotcut:hash">cc43bc6e55d30bec7a8aac8c39901bee</property>
+    <property name="shotcut:caption">Screen Recording 2024-01-22 at 04.02.43.mov</property>
+    <property name="xml">was here</property>
+    <property name="meta.media.top_field_first">0</property>
+    <property name="meta.media.progressive">1</property>
+    <property name="shotcut:defaultAudioIndex">1</property>
+  </chain>
+  <chain id="chain3" out="00:33:28.720">
+    <property name="length">00:33:28.760</property>
+    <property name="eof">pause</property>
+    <property name="resource">/Volumes/LaCie/GNU Taler films/ONLINE/tutorial-videos/original_media/merchant/order1/Screen Recording 2024-01-22 at 04.02.43.mov</property>
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+    <property name="meta.media.0.stream.type">video</property>
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+    <property name="meta.media.0.codec.height">540</property>
+    <property name="meta.media.0.codec.rotate">0</property>
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+    <property name="meta.media.0.codec.color_trc">1</property>
+    <property name="meta.media.0.codec.name">hevc</property>
+    <property name="meta.media.0.codec.long_name">HEVC (High Efficiency Video Coding)</property>
+    <property name="meta.media.0.codec.bit_rate">10679429</property>
+    <property name="meta.attr.0.stream.creation_time.markup">2024-01-22T03:04:03.000000Z</property>
+    <property name="meta.attr.0.stream.handler_name.markup">Core Media Video</property>
+    <property name="meta.attr.0.stream.vendor_id.markup">[0][0][0][0]</property>
+    <property name="meta.attr.0.stream.encoder.markup">Lavc60.31.102 hevc_videotoolbox</property>
+    <property name="meta.media.1.stream.type">audio</property>
+    <property name="meta.media.1.codec.sample_fmt">fltp</property>
+    <property name="meta.media.1.codec.sample_rate">44100</property>
+    <property name="meta.media.1.codec.channels">1</property>
+    <property name="meta.media.1.codec.name">ac3</property>
+    <property name="meta.media.1.codec.long_name">ATSC A/52A (AC-3)</property>
+    <property name="meta.media.1.codec.bit_rate">256000</property>
+    <property name="meta.attr.1.stream.creation_time.markup">2024-01-22T03:04:03.000000Z</property>
+    <property name="meta.attr.1.stream.handler_name.markup">Core Media Audio</property>
+    <property name="meta.attr.1.stream.vendor_id.markup">[0][0][0][0]</property>
+    <property name="meta.attr.major_brand.markup">isom</property>
+    <property name="meta.attr.minor_version.markup">512</property>
+    <property name="meta.attr.compatible_brands.markup">isomdby1iso2mp41</property>
+    <property name="meta.attr.creation_time.markup">2024-01-22T03:04:03.000000Z</property>
+    <property name="meta.attr.encoder.markup">Lavf60.16.100</property>
+    <property name="seekable">1</property>
+    <property name="meta.media.sample_aspect_num">1</property>
+    <property name="meta.media.sample_aspect_den">1</property>
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+    <property name="video_index">-1</property>
+    <property name="creation_time">2024-01-22T03:04:03</property>
+    <property name="vstream">-1</property>
+    <property name="meta.media.frame_rate_num">60</property>
+    <property name="meta.media.frame_rate_den">1</property>
+    <property name="meta.media.colorspace">709</property>
+    <property name="meta.media.color_trc">1</property>
+    <property name="meta.media.has_b_frames">0</property>
+    <property name="meta.media.width">864</property>
+    <property name="meta.media.height">540</property>
+    <property name="meta.media.aspect_ratio">1</property>
+    <property name="meta.media.color_range">mpeg</property>
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+    <property name="shotcut:hash">cc43bc6e55d30bec7a8aac8c39901bee</property>
+    <property name="shotcut:caption">Screen Recording 2024-01-22 at 04.02.43.mov</property>
+    <property name="xml">was here</property>
+    <property name="meta.media.top_field_first">0</property>
+    <property name="meta.media.progressive">1</property>
+    <property name="shotcut:defaultAudioIndex">1</property>
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+    <property name="eof">pause</property>
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+    <property name="meta.media.0.stream.type">video</property>
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+    <property name="meta.media.0.codec.height">540</property>
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+    <property name="meta.media.0.codec.long_name">HEVC (High Efficiency Video Coding)</property>
+    <property name="meta.media.0.codec.bit_rate">10679429</property>
+    <property name="meta.attr.0.stream.creation_time.markup">2024-01-22T03:04:03.000000Z</property>
+    <property name="meta.attr.0.stream.handler_name.markup">Core Media Video</property>
+    <property name="meta.attr.0.stream.vendor_id.markup">[0][0][0][0]</property>
+    <property name="meta.attr.0.stream.encoder.markup">Lavc60.31.102 hevc_videotoolbox</property>
+    <property name="meta.media.1.stream.type">audio</property>
+    <property name="meta.media.1.codec.sample_fmt">fltp</property>
+    <property name="meta.media.1.codec.sample_rate">44100</property>
+    <property name="meta.media.1.codec.channels">1</property>
+    <property name="meta.media.1.codec.name">ac3</property>
+    <property name="meta.media.1.codec.long_name">ATSC A/52A (AC-3)</property>
+    <property name="meta.media.1.codec.bit_rate">256000</property>
+    <property name="meta.attr.1.stream.creation_time.markup">2024-01-22T03:04:03.000000Z</property>
+    <property name="meta.attr.1.stream.handler_name.markup">Core Media Audio</property>
+    <property name="meta.attr.1.stream.vendor_id.markup">[0][0][0][0]</property>
+    <property name="meta.attr.major_brand.markup">isom</property>
+    <property name="meta.attr.minor_version.markup">512</property>
+    <property name="meta.attr.compatible_brands.markup">isomdby1iso2mp41</property>
+    <property name="meta.attr.creation_time.markup">2024-01-22T03:04:03.000000Z</property>
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+    <property name="shotcut:caption">Screen Recording 2024-01-22 at 04.02.43.mov</property>
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+    <property name="meta.media.0.codec.long_name">HEVC (High Efficiency Video Coding)</property>
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+    <property name="meta.attr.creation_time.markup">2024-01-22T03:04:03.000000Z</property>
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+    <property name="meta.media.colorspace">709</property>
+    <property name="meta.media.color_trc">1</property>
+    <property name="meta.media.has_b_frames">0</property>
+    <property name="meta.media.width">864</property>
+    <property name="meta.media.height">540</property>
+    <property name="meta.media.aspect_ratio">1</property>
+    <property name="meta.media.color_range">mpeg</property>
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+    <property name="shotcut:hash">cc43bc6e55d30bec7a8aac8c39901bee</property>
+    <property name="shotcut:caption">Screen Recording 2024-01-22 at 04.02.43.mov</property>
+    <property name="xml">was here</property>
+    <property name="meta.media.top_field_first">0</property>
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+    <property name="resource">/Volumes/LaCie/GNU Taler films/ONLINE/tutorial-videos/original_media/merchant/order1/Screen Recording 2024-01-22 at 04.02.43.mov</property>
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+    <property name="meta.media.0.stream.frame_rate">37.6514</property>
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-    <property name="meta.media.0.codec.bit_rate">24972958</property>
-    <property name="meta.attr.0.stream.creation_time.markup">2024-01-15T02:24:11.000000Z</property>
+    <property name="meta.media.0.codec.bit_rate">25741987</property>
+    <property name="meta.attr.0.stream.creation_time.markup">2024-01-22T03:04:03.000000Z</property>
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-    <property name="meta.attr.1.stream.creation_time.markup">2024-01-15T02:24:11.000000Z</property>
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+    <property name="meta.attr.1.stream.creation_time.markup">2024-01-22T03:04:03.000000Z</property>
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-    <property name="meta.attr.0.stream.creation_time.markup">2024-01-15T02:24:11.000000Z</property>
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+    <property name="meta.attr.1.stream.handler_name.markup">Core Media Audio</property>
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+    <property name="meta.attr.creation_time.markup">2024-01-22T03:04:03.000000Z</property>
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+    <property name="meta.media.color_trc">1</property>
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+    <property name="meta.media.height">540</property>
+    <property name="meta.media.aspect_ratio">1</property>
+    <property name="meta.media.color_range">mpeg</property>
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+    <property name="shotcut:hash">cc43bc6e55d30bec7a8aac8c39901bee</property>
+    <property name="shotcut:caption">Screen Recording 2024-01-22 at 04.02.43.mov</property>
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+    <property name="resource">/Volumes/LaCie/GNU Taler films/ONLINE/tutorial-videos/original_media/merchant/order1/Screen Recording 2024-01-22 at 04.02.43.mov</property>
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-    <property name="meta.attr.0.stream.creation_time.markup">2024-01-15T02:24:11.000000Z</property>
+    <property name="meta.media.0.codec.bit_rate">25741987</property>
+    <property name="meta.attr.0.stream.creation_time.markup">2024-01-22T03:04:03.000000Z</property>
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-    <property name="meta.attr.1.stream.creation_time.markup">2024-01-15T02:24:11.000000Z</property>
+    <property name="meta.media.1.codec.bit_rate">125731</property>
+    <property name="meta.attr.1.stream.creation_time.markup">2024-01-22T03:04:03.000000Z</property>
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     <property name="meta.attr.compatible_brands.markup">qt  </property>
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-    <property name="shotcut:caption">Screen Recording 2024-01-15 at 02.48.38.mov</property>
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     <property name="meta.media.top_field_first">0</property>
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-    <property name="meta.media.width">3456</property>
-    <property name="meta.media.height">2160</property>
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+    <property name="meta.media.width">864</property>
+    <property name="meta.media.height">540</property>
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-    <property name="shotcut:caption">Screen Recording 2024-01-15 at 02.48.38.mov</property>
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+    <property name="shotcut:caption">Screen Recording 2024-01-22 at 04.02.43.mov</property>
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     <property name="meta.media.top_field_first">0</property>
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-    <property name="meta.shotcut.vui">1</property>
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     <property name="meta.attr.com.apple.quicktime.make.markup">Apple</property>
     <property name="meta.attr.com.apple.quicktime.model.markup">MacBookPro18,2</property>
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-      <property name="max_gain">20dB</property>
-      <property name="level">4</property>
-      <property name="mlt_service">volume</property>
-    </filter>
+    <property name="meta.attr.com.apple.quicktime.creationdate.markup">2024-01-22T04:04:02+0100</property>
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-    <property name="resource">/Volumes/LaCie/GNU Taler films/ONLINE/tutorial-videos/original_media/merchant/order1/Screen Recording 2024-01-15 at 02.48.38.mov</property>
+    <property name="resource">/Volumes/LaCie/GNU Taler films/ONLINE/tutorial-videos/original_media/merchant/order1/Screen Recording 2024-01-22 at 04.02.43.mov</property>
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-    <property name="meta.attr.0.stream.creation_time.markup">2024-01-15T02:24:11.000000Z</property>
+    <property name="meta.media.0.codec.bit_rate">25741987</property>
+    <property name="meta.attr.0.stream.creation_time.markup">2024-01-22T03:04:03.000000Z</property>
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     <property name="meta.media.1.codec.name">aac</property>
     <property name="meta.media.1.codec.long_name">AAC (Advanced Audio Coding)</property>
-    <property name="meta.media.1.codec.bit_rate">125820</property>
-    <property name="meta.attr.1.stream.creation_time.markup">2024-01-15T02:24:11.000000Z</property>
+    <property name="meta.media.1.codec.bit_rate">125731</property>
+    <property name="meta.attr.1.stream.creation_time.markup">2024-01-22T03:04:03.000000Z</property>
     <property name="meta.attr.1.stream.handler_name.markup">Core Media Audio</property>
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     <property name="meta.attr.compatible_brands.markup">qt  </property>
-    <property name="meta.attr.creation_time.markup">2024-01-15T02:24:11.000000Z</property>
+    <property name="meta.attr.creation_time.markup">2024-01-22T03:04:03.000000Z</property>
     <property name="meta.attr.encoder.markup">Lavf60.16.100</property>
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     <property name="audio_index">1</property>
     <property name="video_index">-1</property>
-    <property name="creation_time">2024-01-15T02:24:11</property>
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     <property name="vstream">-1</property>
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-    <property name="meta.media.frame_rate_den">124589</property>
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     <property name="meta.media.colorspace">709</property>
     <property name="meta.media.color_trc">1</property>
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-    <property name="meta.media.width">3456</property>
-    <property name="meta.media.height">2160</property>
+    <property name="meta.media.has_b_frames">0</property>
+    <property name="meta.media.width">864</property>
+    <property name="meta.media.height">540</property>
     <property name="meta.media.aspect_ratio">1</property>
     <property name="meta.media.color_range">mpeg</property>
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-    <property name="shotcut:caption">Screen Recording 2024-01-15 at 02.48.38.mov</property>
+    <property name="shotcut:hash">cc43bc6e55d30bec7a8aac8c39901bee</property>
+    <property name="shotcut:caption">Screen Recording 2024-01-22 at 04.02.43.mov</property>
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     <property name="meta.media.top_field_first">0</property>
     <property name="meta.media.progressive">1</property>
-    <property name="meta.shotcut.vui">1</property>
+    <property name="shotcut:defaultAudioIndex">1</property>
     <property name="meta.attr.com.apple.quicktime.make.markup">Apple</property>
     <property name="meta.attr.com.apple.quicktime.model.markup">MacBookPro18,2</property>
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-    <property name="meta.attr.com.apple.quicktime.creationdate.markup">2024-01-15T02:48:48+0100</property>
-    <property name="shotcut:defaultAudioIndex">1</property>
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-      <property name="max_gain">20dB</property>
-      <property name="level">4</property>
-      <property name="mlt_service">volume</property>
-    </filter>
+    <property name="meta.attr.com.apple.quicktime.creationdate.markup">2024-01-22T04:04:02+0100</property>
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-    <property name="length">00:34:36.480</property>
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-    <property name="resource">/Volumes/LaCie/GNU Taler films/ONLINE/tutorial-videos/original_media/merchant/order1/Screen Recording 2024-01-15 at 02.48.38.mov</property>
+    <property name="resource">/Volumes/LaCie/GNU Taler films/ONLINE/tutorial-videos/original_media/merchant/order1/Screen Recording 2024-01-22 at 04.02.43.mov</property>
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-    <property name="meta.attr.0.stream.creation_time.markup">2024-01-15T02:24:11.000000Z</property>
+    <property name="meta.media.0.codec.bit_rate">25741987</property>
+    <property name="meta.attr.0.stream.creation_time.markup">2024-01-22T03:04:03.000000Z</property>
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     <property name="meta.media.1.codec.name">aac</property>
     <property name="meta.media.1.codec.long_name">AAC (Advanced Audio Coding)</property>
-    <property name="meta.media.1.codec.bit_rate">125820</property>
-    <property name="meta.attr.1.stream.creation_time.markup">2024-01-15T02:24:11.000000Z</property>
+    <property name="meta.media.1.codec.bit_rate">125731</property>
+    <property name="meta.attr.1.stream.creation_time.markup">2024-01-22T03:04:03.000000Z</property>
     <property name="meta.attr.1.stream.handler_name.markup">Core Media Audio</property>
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     <property name="meta.attr.compatible_brands.markup">qt  </property>
-    <property name="meta.attr.creation_time.markup">2024-01-15T02:24:11.000000Z</property>
+    <property name="meta.attr.creation_time.markup">2024-01-22T03:04:03.000000Z</property>
     <property name="meta.attr.encoder.markup">Lavf60.16.100</property>
     <property name="seekable">1</property>
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     <property name="audio_index">1</property>
     <property name="video_index">-1</property>
-    <property name="creation_time">2024-01-15T02:24:11</property>
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     <property name="vstream">-1</property>
-    <property name="meta.media.frame_rate_num">4728780</property>
-    <property name="meta.media.frame_rate_den">124589</property>
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+    <property name="meta.media.frame_rate_den">1</property>
     <property name="meta.media.colorspace">709</property>
     <property name="meta.media.color_trc">1</property>
-    <property name="meta.media.has_b_frames">1</property>
-    <property name="meta.media.width">3456</property>
-    <property name="meta.media.height">2160</property>
+    <property name="meta.media.has_b_frames">0</property>
+    <property name="meta.media.width">864</property>
+    <property name="meta.media.height">540</property>
     <property name="meta.media.aspect_ratio">1</property>
     <property name="meta.media.color_range">mpeg</property>
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-    <property name="shotcut:hash">460b48940530c197dc6e411af3f9c8e1</property>
-    <property name="shotcut:caption">Screen Recording 2024-01-15 at 02.48.38.mov</property>
+    <property name="shotcut:hash">cc43bc6e55d30bec7a8aac8c39901bee</property>
+    <property name="shotcut:caption">Screen Recording 2024-01-22 at 04.02.43.mov</property>
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     <property name="meta.media.top_field_first">0</property>
     <property name="meta.media.progressive">1</property>
-    <property name="meta.shotcut.vui">1</property>
+    <property name="shotcut:defaultAudioIndex">1</property>
     <property name="meta.attr.com.apple.quicktime.make.markup">Apple</property>
     <property name="meta.attr.com.apple.quicktime.model.markup">MacBookPro18,2</property>
     <property name="meta.attr.com.apple.quicktime.software.markup">macOS 14.2.1 (23C71)</property>
-    <property name="meta.attr.com.apple.quicktime.creationdate.markup">2024-01-15T02:48:48+0100</property>
-    <property name="shotcut:defaultAudioIndex">1</property>
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-      <property name="max_gain">20dB</property>
-      <property name="level">4</property>
-      <property name="mlt_service">volume</property>
-    </filter>
+    <property name="meta.attr.com.apple.quicktime.creationdate.markup">2024-01-22T04:04:02+0100</property>
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-  <chain id="chain9" out="00:34:36.440">
-    <property name="length">00:34:36.480</property>
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-    <property name="resource">/Volumes/LaCie/GNU Taler films/ONLINE/tutorial-videos/original_media/merchant/order1/Screen Recording 2024-01-15 at 02.48.38.mov</property>
+    <property name="resource">/Volumes/LaCie/GNU Taler films/ONLINE/tutorial-videos/original_media/merchant/order1/Screen Recording 2024-01-22 at 04.02.43.mov</property>
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     <property name="meta.media.0.stream.type">video</property>
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+    <property name="meta.media.0.stream.frame_rate">37.6514</property>
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     <property name="meta.media.0.codec.width">3456</property>
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-    <property name="meta.attr.0.stream.creation_time.markup">2024-01-15T02:24:11.000000Z</property>
+    <property name="meta.media.0.codec.bit_rate">25741987</property>
+    <property name="meta.attr.0.stream.creation_time.markup">2024-01-22T03:04:03.000000Z</property>
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     <property name="meta.media.1.codec.long_name">AAC (Advanced Audio Coding)</property>
-    <property name="meta.media.1.codec.bit_rate">125820</property>
-    <property name="meta.attr.1.stream.creation_time.markup">2024-01-15T02:24:11.000000Z</property>
+    <property name="meta.media.1.codec.bit_rate">125731</property>
+    <property name="meta.attr.1.stream.creation_time.markup">2024-01-22T03:04:03.000000Z</property>
     <property name="meta.attr.1.stream.handler_name.markup">Core Media Audio</property>
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     <property name="meta.attr.compatible_brands.markup">qt  </property>
-    <property name="meta.attr.creation_time.markup">2024-01-15T02:24:11.000000Z</property>
+    <property name="meta.attr.creation_time.markup">2024-01-22T03:04:03.000000Z</property>
     <property name="meta.attr.encoder.markup">Lavf60.16.100</property>
     <property name="seekable">1</property>
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     <property name="audio_index">1</property>
     <property name="video_index">-1</property>
-    <property name="creation_time">2024-01-15T02:24:11</property>
+    <property name="creation_time">2024-01-22T03:04:03</property>
     <property name="vstream">-1</property>
-    <property name="meta.media.frame_rate_num">4728780</property>
-    <property name="meta.media.frame_rate_den">124589</property>
+    <property name="meta.media.frame_rate_num">60</property>
+    <property name="meta.media.frame_rate_den">1</property>
     <property name="meta.media.colorspace">709</property>
     <property name="meta.media.color_trc">1</property>
-    <property name="meta.media.has_b_frames">1</property>
-    <property name="meta.media.width">3456</property>
-    <property name="meta.media.height">2160</property>
+    <property name="meta.media.has_b_frames">0</property>
+    <property name="meta.media.width">864</property>
+    <property name="meta.media.height">540</property>
     <property name="meta.media.aspect_ratio">1</property>
     <property name="meta.media.color_range">mpeg</property>
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-    <property name="shotcut:caption">Screen Recording 2024-01-15 at 02.48.38.mov</property>
+    <property name="shotcut:hash">cc43bc6e55d30bec7a8aac8c39901bee</property>
+    <property name="shotcut:caption">Screen Recording 2024-01-22 at 04.02.43.mov</property>
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     <property name="meta.attr.com.apple.quicktime.make.markup">Apple</property>
     <property name="meta.attr.com.apple.quicktime.model.markup">MacBookPro18,2</property>
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-      <property name="max_gain">20dB</property>
-      <property name="level">4</property>
-      <property name="mlt_service">volume</property>
-    </filter>
+    <property name="meta.attr.com.apple.quicktime.creationdate.markup">2024-01-22T04:04:02+0100</property>
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-    <property name="resource">/Volumes/LaCie/GNU Taler films/ONLINE/tutorial-videos/original_media/merchant/order1/Screen Recording 2024-01-15 at 02.48.38.mov</property>
+    <property name="resource">/Volumes/LaCie/GNU Taler films/ONLINE/tutorial-videos/original_media/merchant/order1/Screen Recording 2024-01-22 at 04.02.43.mov</property>
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-    <property name="meta.attr.0.stream.creation_time.markup">2024-01-15T02:24:11.000000Z</property>
+    <property name="meta.media.0.codec.bit_rate">25741987</property>
+    <property name="meta.attr.0.stream.creation_time.markup">2024-01-22T03:04:03.000000Z</property>
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     <property name="meta.media.1.codec.name">aac</property>
     <property name="meta.media.1.codec.long_name">AAC (Advanced Audio Coding)</property>
-    <property name="meta.media.1.codec.bit_rate">125820</property>
-    <property name="meta.attr.1.stream.creation_time.markup">2024-01-15T02:24:11.000000Z</property>
+    <property name="meta.media.1.codec.bit_rate">125731</property>
+    <property name="meta.attr.1.stream.creation_time.markup">2024-01-22T03:04:03.000000Z</property>
     <property name="meta.attr.1.stream.handler_name.markup">Core Media Audio</property>
     <property name="meta.attr.1.stream.vendor_id.markup">[0][0][0][0]</property>
     <property name="meta.attr.major_brand.markup">qt  </property>
     <property name="meta.attr.minor_version.markup">0</property>
     <property name="meta.attr.compatible_brands.markup">qt  </property>
-    <property name="meta.attr.creation_time.markup">2024-01-15T02:24:11.000000Z</property>
+    <property name="meta.attr.creation_time.markup">2024-01-22T03:04:03.000000Z</property>
     <property name="meta.attr.encoder.markup">Lavf60.16.100</property>
     <property name="seekable">1</property>
     <property name="meta.media.sample_aspect_num">1</property>
     <property name="meta.media.sample_aspect_den">1</property>
     <property name="audio_index">1</property>
     <property name="video_index">-1</property>
-    <property name="creation_time">2024-01-15T02:24:11</property>
+    <property name="creation_time">2024-01-22T03:04:03</property>
     <property name="vstream">-1</property>
-    <property name="meta.media.frame_rate_num">4728780</property>
-    <property name="meta.media.frame_rate_den">124589</property>
+    <property name="meta.media.frame_rate_num">60</property>
+    <property name="meta.media.frame_rate_den">1</property>
     <property name="meta.media.colorspace">709</property>
     <property name="meta.media.color_trc">1</property>
-    <property name="meta.media.has_b_frames">1</property>
-    <property name="meta.media.width">3456</property>
-    <property name="meta.media.height">2160</property>
+    <property name="meta.media.has_b_frames">0</property>
+    <property name="meta.media.width">864</property>
+    <property name="meta.media.height">540</property>
     <property name="meta.media.aspect_ratio">1</property>
     <property name="meta.media.color_range">mpeg</property>
     <property name="astream">0</property>
-    <property name="shotcut:hash">460b48940530c197dc6e411af3f9c8e1</property>
-    <property name="shotcut:caption">Screen Recording 2024-01-15 at 02.48.38.mov</property>
+    <property name="shotcut:hash">cc43bc6e55d30bec7a8aac8c39901bee</property>
+    <property name="shotcut:caption">Screen Recording 2024-01-22 at 04.02.43.mov</property>
     <property name="xml">was here</property>
     <property name="meta.media.top_field_first">0</property>
     <property name="meta.media.progressive">1</property>
-    <property name="meta.shotcut.vui">1</property>
+    <property name="shotcut:defaultAudioIndex">1</property>
     <property name="meta.attr.com.apple.quicktime.make.markup">Apple</property>
     <property name="meta.attr.com.apple.quicktime.model.markup">MacBookPro18,2</property>
     <property name="meta.attr.com.apple.quicktime.software.markup">macOS 14.2.1 (23C71)</property>
-    <property name="meta.attr.com.apple.quicktime.creationdate.markup">2024-01-15T02:48:48+0100</property>
+    <property name="meta.attr.com.apple.quicktime.creationdate.markup">2024-01-22T04:04:02+0100</property>
+  </chain>
+  <chain id="chain36" out="00:33:28.720">
+    <property name="length">00:33:28.760</property>
+    <property name="eof">pause</property>
+    <property name="resource">/Volumes/LaCie/GNU Taler films/ONLINE/tutorial-videos/original_media/merchant/order1/Screen Recording 2024-01-22 at 04.02.43.mov</property>
+    <property name="mlt_service">avformat-novalidate</property>
+    <property name="meta.media.nb_streams">2</property>
+    <property name="meta.media.0.stream.type">video</property>
+    <property name="meta.media.0.stream.frame_rate">60</property>
+    <property name="meta.media.0.stream.sample_aspect_ratio">0</property>
+    <property name="meta.media.0.codec.width">864</property>
+    <property name="meta.media.0.codec.height">540</property>
+    <property name="meta.media.0.codec.rotate">0</property>
+    <property name="meta.media.0.codec.pix_fmt">yuv420p</property>
+    <property name="meta.media.0.codec.sample_aspect_ratio">0</property>
+    <property name="meta.media.0.codec.colorspace">709</property>
+    <property name="meta.media.0.codec.color_trc">1</property>
+    <property name="meta.media.0.codec.name">hevc</property>
+    <property name="meta.media.0.codec.long_name">HEVC (High Efficiency Video Coding)</property>
+    <property name="meta.media.0.codec.bit_rate">10679429</property>
+    <property name="meta.attr.0.stream.creation_time.markup">2024-01-22T03:04:03.000000Z</property>
+    <property name="meta.attr.0.stream.handler_name.markup">Core Media Video</property>
+    <property name="meta.attr.0.stream.vendor_id.markup">[0][0][0][0]</property>
+    <property name="meta.attr.0.stream.encoder.markup">Lavc60.31.102 hevc_videotoolbox</property>
+    <property name="meta.media.1.stream.type">audio</property>
+    <property name="meta.media.1.codec.sample_fmt">fltp</property>
+    <property name="meta.media.1.codec.sample_rate">44100</property>
+    <property name="meta.media.1.codec.channels">1</property>
+    <property name="meta.media.1.codec.name">ac3</property>
+    <property name="meta.media.1.codec.long_name">ATSC A/52A (AC-3)</property>
+    <property name="meta.media.1.codec.bit_rate">256000</property>
+    <property name="meta.attr.1.stream.creation_time.markup">2024-01-22T03:04:03.000000Z</property>
+    <property name="meta.attr.1.stream.handler_name.markup">Core Media Audio</property>
+    <property name="meta.attr.1.stream.vendor_id.markup">[0][0][0][0]</property>
+    <property name="meta.attr.major_brand.markup">isom</property>
+    <property name="meta.attr.minor_version.markup">512</property>
+    <property name="meta.attr.compatible_brands.markup">isomdby1iso2mp41</property>
+    <property name="meta.attr.creation_time.markup">2024-01-22T03:04:03.000000Z</property>
+    <property name="meta.attr.encoder.markup">Lavf60.16.100</property>
+    <property name="seekable">1</property>
+    <property name="meta.media.sample_aspect_num">1</property>
+    <property name="meta.media.sample_aspect_den">1</property>
+    <property name="audio_index">1</property>
+    <property name="video_index">-1</property>
+    <property name="creation_time">2024-01-22T03:04:03</property>
+    <property name="vstream">-1</property>
+    <property name="meta.media.frame_rate_num">60</property>
+    <property name="meta.media.frame_rate_den">1</property>
+    <property name="meta.media.colorspace">709</property>
+    <property name="meta.media.color_trc">1</property>
+    <property name="meta.media.has_b_frames">0</property>
+    <property name="meta.media.width">864</property>
+    <property name="meta.media.height">540</property>
+    <property name="meta.media.aspect_ratio">1</property>
+    <property name="meta.media.color_range">mpeg</property>
+    <property name="astream">0</property>
+    <property name="shotcut:hash">cc43bc6e55d30bec7a8aac8c39901bee</property>
+    <property name="shotcut:caption">Screen Recording 2024-01-22 at 04.02.43.mov</property>
+    <property name="xml">was here</property>
+    <property name="meta.media.top_field_first">0</property>
+    <property name="meta.media.progressive">1</property>
     <property name="shotcut:defaultAudioIndex">1</property>
-    <filter id="filter6" in="00:04:05.160" out="00:04:18.080">
-      <property name="window">75</property>
-      <property name="max_gain">20dB</property>
-      <property name="level">4</property>
-      <property name="mlt_service">volume</property>
-    </filter>
   </chain>
-  <chain id="chain11" out="00:34:36.440">
-    <property name="length">00:34:36.480</property>
+  <chain id="chain37" out="00:33:28.720">
+    <property name="length">00:33:28.760</property>
     <property name="eof">pause</property>
-    <property name="resource">/Volumes/LaCie/GNU Taler films/ONLINE/tutorial-videos/original_media/merchant/order1/Screen Recording 2024-01-15 at 02.48.38.mov</property>
+    <property name="resource">/Volumes/LaCie/GNU Taler films/ONLINE/tutorial-videos/original_media/merchant/order1/Screen Recording 2024-01-22 at 04.02.43.mov</property>
     <property name="mlt_service">avformat-novalidate</property>
     <property name="meta.media.nb_streams">2</property>
     <property name="meta.media.0.stream.type">video</property>
-    <property name="meta.media.0.stream.frame_rate">37.955</property>
+    <property name="meta.media.0.stream.frame_rate">37.6514</property>
     <property name="meta.media.0.stream.sample_aspect_ratio">0</property>
     <property name="meta.media.0.codec.width">3456</property>
     <property name="meta.media.0.codec.height">2160</property>
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     <property name="meta.media.0.codec.color_trc">1</property>
     <property name="meta.media.0.codec.name">h264</property>
     <property name="meta.media.0.codec.long_name">H.264 / AVC / MPEG-4 AVC / MPEG-4 part 10</property>
-    <property name="meta.media.0.codec.bit_rate">24972958</property>
-    <property name="meta.attr.0.stream.creation_time.markup">2024-01-15T02:24:11.000000Z</property>
+    <property name="meta.media.0.codec.bit_rate">25741987</property>
+    <property name="meta.attr.0.stream.creation_time.markup">2024-01-22T03:04:03.000000Z</property>
     <property name="meta.attr.0.stream.handler_name.markup">Core Media Video</property>
     <property name="meta.attr.0.stream.vendor_id.markup">[0][0][0][0]</property>
     <property name="meta.attr.0.stream.encoder.markup">H.264</property>
@@ -827,58 +2377,51 @@
     <property name="meta.media.1.codec.channels">1</property>
     <property name="meta.media.1.codec.name">aac</property>
     <property name="meta.media.1.codec.long_name">AAC (Advanced Audio Coding)</property>
-    <property name="meta.media.1.codec.bit_rate">125820</property>
-    <property name="meta.attr.1.stream.creation_time.markup">2024-01-15T02:24:11.000000Z</property>
+    <property name="meta.media.1.codec.bit_rate">125731</property>
+    <property name="meta.attr.1.stream.creation_time.markup">2024-01-22T03:04:03.000000Z</property>
     <property name="meta.attr.1.stream.handler_name.markup">Core Media Audio</property>
     <property name="meta.attr.1.stream.vendor_id.markup">[0][0][0][0]</property>
     <property name="meta.attr.major_brand.markup">qt  </property>
     <property name="meta.attr.minor_version.markup">0</property>
     <property name="meta.attr.compatible_brands.markup">qt  </property>
-    <property name="meta.attr.creation_time.markup">2024-01-15T02:24:11.000000Z</property>
+    <property name="meta.attr.creation_time.markup">2024-01-22T03:04:03.000000Z</property>
     <property name="meta.attr.encoder.markup">Lavf60.16.100</property>
     <property name="seekable">1</property>
     <property name="meta.media.sample_aspect_num">1</property>
     <property name="meta.media.sample_aspect_den">1</property>
     <property name="audio_index">1</property>
     <property name="video_index">-1</property>
-    <property name="creation_time">2024-01-15T02:24:11</property>
+    <property name="creation_time">2024-01-22T03:04:03</property>
     <property name="vstream">-1</property>
-    <property name="meta.media.frame_rate_num">4728780</property>
-    <property name="meta.media.frame_rate_den">124589</property>
+    <property name="meta.media.frame_rate_num">60</property>
+    <property name="meta.media.frame_rate_den">1</property>
     <property name="meta.media.colorspace">709</property>
     <property name="meta.media.color_trc">1</property>
-    <property name="meta.media.has_b_frames">1</property>
-    <property name="meta.media.width">3456</property>
-    <property name="meta.media.height">2160</property>
+    <property name="meta.media.has_b_frames">0</property>
+    <property name="meta.media.width">864</property>
+    <property name="meta.media.height">540</property>
     <property name="meta.media.aspect_ratio">1</property>
     <property name="meta.media.color_range">mpeg</property>
     <property name="astream">0</property>
-    <property name="shotcut:hash">460b48940530c197dc6e411af3f9c8e1</property>
-    <property name="shotcut:caption">Screen Recording 2024-01-15 at 02.48.38.mov</property>
+    <property name="shotcut:hash">cc43bc6e55d30bec7a8aac8c39901bee</property>
+    <property name="shotcut:caption">Screen Recording 2024-01-22 at 04.02.43.mov</property>
     <property name="xml">was here</property>
     <property name="meta.media.top_field_first">0</property>
     <property name="meta.media.progressive">1</property>
-    <property name="meta.shotcut.vui">1</property>
+    <property name="shotcut:defaultAudioIndex">1</property>
     <property name="meta.attr.com.apple.quicktime.make.markup">Apple</property>
     <property name="meta.attr.com.apple.quicktime.model.markup">MacBookPro18,2</property>
     <property name="meta.attr.com.apple.quicktime.software.markup">macOS 14.2.1 (23C71)</property>
-    <property name="meta.attr.com.apple.quicktime.creationdate.markup">2024-01-15T02:48:48+0100</property>
-    <property name="shotcut:defaultAudioIndex">1</property>
-    <filter id="filter8" in="00:04:20.000" out="00:04:23.560">
-      <property name="window">75</property>
-      <property name="max_gain">20dB</property>
-      <property name="level">4</property>
-      <property name="mlt_service">volume</property>
-    </filter>
+    <property name="meta.attr.com.apple.quicktime.creationdate.markup">2024-01-22T04:04:02+0100</property>
   </chain>
-  <chain id="chain12" out="00:34:36.440">
-    <property name="length">00:34:36.480</property>
+  <chain id="chain38" out="00:33:28.720">
+    <property name="length">00:33:28.760</property>
     <property name="eof">pause</property>
-    <property name="resource">/Volumes/LaCie/GNU Taler films/ONLINE/tutorial-videos/original_media/merchant/order1/Screen Recording 2024-01-15 at 02.48.38.mov</property>
+    <property name="resource">/Volumes/LaCie/GNU Taler films/ONLINE/tutorial-videos/original_media/merchant/order1/Screen Recording 2024-01-22 at 04.02.43.mov</property>
     <property name="mlt_service">avformat-novalidate</property>
     <property name="meta.media.nb_streams">2</property>
     <property name="meta.media.0.stream.type">video</property>
-    <property name="meta.media.0.stream.frame_rate">37.955</property>
+    <property name="meta.media.0.stream.frame_rate">37.6514</property>
     <property name="meta.media.0.stream.sample_aspect_ratio">0</property>
     <property name="meta.media.0.codec.width">3456</property>
     <property name="meta.media.0.codec.height">2160</property>
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     <property name="meta.media.0.codec.color_trc">1</property>
     <property name="meta.media.0.codec.name">h264</property>
     <property name="meta.media.0.codec.long_name">H.264 / AVC / MPEG-4 AVC / MPEG-4 part 10</property>
-    <property name="meta.media.0.codec.bit_rate">24972958</property>
-    <property name="meta.attr.0.stream.creation_time.markup">2024-01-15T02:24:11.000000Z</property>
+    <property name="meta.media.0.codec.bit_rate">25741987</property>
+    <property name="meta.attr.0.stream.creation_time.markup">2024-01-22T03:04:03.000000Z</property>
     <property name="meta.attr.0.stream.handler_name.markup">Core Media Video</property>
     <property name="meta.attr.0.stream.vendor_id.markup">[0][0][0][0]</property>
     <property name="meta.attr.0.stream.encoder.markup">H.264</property>
@@ -900,58 +2443,51 @@
     <property name="meta.media.1.codec.channels">1</property>
     <property name="meta.media.1.codec.name">aac</property>
     <property name="meta.media.1.codec.long_name">AAC (Advanced Audio Coding)</property>
-    <property name="meta.media.1.codec.bit_rate">125820</property>
-    <property name="meta.attr.1.stream.creation_time.markup">2024-01-15T02:24:11.000000Z</property>
+    <property name="meta.media.1.codec.bit_rate">125731</property>
+    <property name="meta.attr.1.stream.creation_time.markup">2024-01-22T03:04:03.000000Z</property>
     <property name="meta.attr.1.stream.handler_name.markup">Core Media Audio</property>
     <property name="meta.attr.1.stream.vendor_id.markup">[0][0][0][0]</property>
     <property name="meta.attr.major_brand.markup">qt  </property>
     <property name="meta.attr.minor_version.markup">0</property>
     <property name="meta.attr.compatible_brands.markup">qt  </property>
-    <property name="meta.attr.creation_time.markup">2024-01-15T02:24:11.000000Z</property>
+    <property name="meta.attr.creation_time.markup">2024-01-22T03:04:03.000000Z</property>
     <property name="meta.attr.encoder.markup">Lavf60.16.100</property>
     <property name="seekable">1</property>
     <property name="meta.media.sample_aspect_num">1</property>
     <property name="meta.media.sample_aspect_den">1</property>
     <property name="audio_index">1</property>
     <property name="video_index">-1</property>
-    <property name="creation_time">2024-01-15T02:24:11</property>
+    <property name="creation_time">2024-01-22T03:04:03</property>
     <property name="vstream">-1</property>
-    <property name="meta.media.frame_rate_num">4728780</property>
-    <property name="meta.media.frame_rate_den">124589</property>
+    <property name="meta.media.frame_rate_num">60</property>
+    <property name="meta.media.frame_rate_den">1</property>
     <property name="meta.media.colorspace">709</property>
     <property name="meta.media.color_trc">1</property>
-    <property name="meta.media.has_b_frames">1</property>
-    <property name="meta.media.width">3456</property>
-    <property name="meta.media.height">2160</property>
+    <property name="meta.media.has_b_frames">0</property>
+    <property name="meta.media.width">864</property>
+    <property name="meta.media.height">540</property>
     <property name="meta.media.aspect_ratio">1</property>
     <property name="meta.media.color_range">mpeg</property>
     <property name="astream">0</property>
-    <property name="shotcut:hash">460b48940530c197dc6e411af3f9c8e1</property>
-    <property name="shotcut:caption">Screen Recording 2024-01-15 at 02.48.38.mov</property>
+    <property name="shotcut:hash">cc43bc6e55d30bec7a8aac8c39901bee</property>
+    <property name="shotcut:caption">Screen Recording 2024-01-22 at 04.02.43.mov</property>
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     <property name="meta.media.top_field_first">0</property>
     <property name="meta.media.progressive">1</property>
-    <property name="meta.shotcut.vui">1</property>
+    <property name="shotcut:defaultAudioIndex">1</property>
     <property name="meta.attr.com.apple.quicktime.make.markup">Apple</property>
     <property name="meta.attr.com.apple.quicktime.model.markup">MacBookPro18,2</property>
     <property name="meta.attr.com.apple.quicktime.software.markup">macOS 14.2.1 (23C71)</property>
-    <property name="meta.attr.com.apple.quicktime.creationdate.markup">2024-01-15T02:48:48+0100</property>
-    <property name="shotcut:defaultAudioIndex">1</property>
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-      <property name="max_gain">20dB</property>
-      <property name="level">4</property>
-      <property name="mlt_service">volume</property>
-    </filter>
+    <property name="meta.attr.com.apple.quicktime.creationdate.markup">2024-01-22T04:04:02+0100</property>
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-    <property name="length">00:34:36.480</property>
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-    <property name="resource">/Volumes/LaCie/GNU Taler films/ONLINE/tutorial-videos/original_media/merchant/order1/Screen Recording 2024-01-15 at 02.48.38.mov</property>
+    <property name="resource">/Volumes/LaCie/GNU Taler films/ONLINE/tutorial-videos/original_media/merchant/order1/Screen Recording 2024-01-22 at 04.02.43.mov</property>
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     <property name="meta.media.0.stream.type">video</property>
-    <property name="meta.media.0.stream.frame_rate">37.955</property>
+    <property name="meta.media.0.stream.frame_rate">37.6514</property>
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     <property name="meta.media.0.codec.width">3456</property>
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     <property name="meta.media.0.codec.long_name">H.264 / AVC / MPEG-4 AVC / MPEG-4 part 10</property>
-    <property name="meta.media.0.codec.bit_rate">24972958</property>
-    <property name="meta.attr.0.stream.creation_time.markup">2024-01-15T02:24:11.000000Z</property>
+    <property name="meta.media.0.codec.bit_rate">25741987</property>
+    <property name="meta.attr.0.stream.creation_time.markup">2024-01-22T03:04:03.000000Z</property>
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     <property name="meta.attr.0.stream.encoder.markup">H.264</property>
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     <property name="meta.media.1.codec.name">aac</property>
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-    <property name="meta.attr.1.stream.creation_time.markup">2024-01-15T02:24:11.000000Z</property>
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+    <property name="meta.attr.1.stream.creation_time.markup">2024-01-22T03:04:03.000000Z</property>
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     <property name="meta.attr.compatible_brands.markup">qt  </property>
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-    <property name="meta.media.height">2160</property>
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+    <property name="meta.media.width">864</property>
+    <property name="meta.media.height">540</property>
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-    <property name="shotcut:caption">Screen Recording 2024-01-15 at 02.48.38.mov</property>
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+    <property name="shotcut:caption">Screen Recording 2024-01-22 at 04.02.43.mov</property>
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     <property name="meta.media.top_field_first">0</property>
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     <property name="meta.attr.com.apple.quicktime.make.markup">Apple</property>
     <property name="meta.attr.com.apple.quicktime.model.markup">MacBookPro18,2</property>
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-      <property name="max_gain">20dB</property>
-      <property name="level">4</property>
-      <property name="mlt_service">volume</property>
-    </filter>
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-    <property name="length">00:34:36.480</property>
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-    <property name="resource">/Volumes/LaCie/GNU Taler films/ONLINE/tutorial-videos/original_media/merchant/order1/Screen Recording 2024-01-15 at 02.48.38.mov</property>
+    <property name="resource">/Volumes/LaCie/GNU Taler films/ONLINE/tutorial-videos/original_media/merchant/order1/Screen Recording 2024-01-22 at 04.02.43.mov</property>
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     <property name="meta.media.0.codec.width">3456</property>
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-    <property name="meta.attr.0.stream.creation_time.markup">2024-01-15T02:24:11.000000Z</property>
+    <property name="meta.media.0.codec.bit_rate">25741987</property>
+    <property name="meta.attr.0.stream.creation_time.markup">2024-01-22T03:04:03.000000Z</property>
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     <property name="meta.media.1.codec.name">aac</property>
     <property name="meta.media.1.codec.long_name">AAC (Advanced Audio Coding)</property>
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-    <property name="meta.attr.1.stream.creation_time.markup">2024-01-15T02:24:11.000000Z</property>
+    <property name="meta.media.1.codec.bit_rate">125731</property>
+    <property name="meta.attr.1.stream.creation_time.markup">2024-01-22T03:04:03.000000Z</property>
     <property name="meta.attr.1.stream.handler_name.markup">Core Media Audio</property>
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     <property name="meta.attr.compatible_brands.markup">qt  </property>
-    <property name="meta.attr.creation_time.markup">2024-01-15T02:24:11.000000Z</property>
+    <property name="meta.attr.creation_time.markup">2024-01-22T03:04:03.000000Z</property>
     <property name="meta.attr.encoder.markup">Lavf60.16.100</property>
     <property name="seekable">1</property>
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     <property name="audio_index">1</property>
     <property name="video_index">-1</property>
-    <property name="creation_time">2024-01-15T02:24:11</property>
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-    <property name="meta.media.frame_rate_num">4728780</property>
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     <property name="meta.media.colorspace">709</property>
     <property name="meta.media.color_trc">1</property>
-    <property name="meta.media.has_b_frames">1</property>
-    <property name="meta.media.width">3456</property>
-    <property name="meta.media.height">2160</property>
+    <property name="meta.media.has_b_frames">0</property>
+    <property name="meta.media.width">864</property>
+    <property name="meta.media.height">540</property>
     <property name="meta.media.aspect_ratio">1</property>
     <property name="meta.media.color_range">mpeg</property>
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-    <property name="shotcut:caption">Screen Recording 2024-01-15 at 02.48.38.mov</property>
+    <property name="shotcut:hash">cc43bc6e55d30bec7a8aac8c39901bee</property>
+    <property name="shotcut:caption">Screen Recording 2024-01-22 at 04.02.43.mov</property>
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     <property name="meta.media.top_field_first">0</property>
     <property name="meta.media.progressive">1</property>
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+    <property name="shotcut:defaultAudioIndex">1</property>
     <property name="meta.attr.com.apple.quicktime.make.markup">Apple</property>
     <property name="meta.attr.com.apple.quicktime.model.markup">MacBookPro18,2</property>
     <property name="meta.attr.com.apple.quicktime.software.markup">macOS 14.2.1 (23C71)</property>
-    <property name="meta.attr.com.apple.quicktime.creationdate.markup">2024-01-15T02:48:48+0100</property>
-    <property name="shotcut:defaultAudioIndex">1</property>
-    <filter id="filter12" in="00:05:34.520" out="00:05:50.080">
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-      <property name="max_gain">20dB</property>
-      <property name="level">4</property>
-      <property name="mlt_service">volume</property>
-    </filter>
+    <property name="meta.attr.com.apple.quicktime.creationdate.markup">2024-01-22T04:04:02+0100</property>
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-    <property name="length">00:34:36.480</property>
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-    <property name="resource">/Volumes/LaCie/GNU Taler films/ONLINE/tutorial-videos/original_media/merchant/order1/Screen Recording 2024-01-15 at 02.48.38.mov</property>
+    <property name="resource">/Volumes/LaCie/GNU Taler films/ONLINE/tutorial-videos/original_media/merchant/order1/Screen Recording 2024-01-22 at 04.02.43.mov</property>
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     <property name="meta.media.0.codec.width">3456</property>
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     <property name="meta.media.0.codec.name">h264</property>
     <property name="meta.media.0.codec.long_name">H.264 / AVC / MPEG-4 AVC / MPEG-4 part 10</property>
-    <property name="meta.media.0.codec.bit_rate">24972958</property>
-    <property name="meta.attr.0.stream.creation_time.markup">2024-01-15T02:24:11.000000Z</property>
+    <property name="meta.media.0.codec.bit_rate">25741987</property>
+    <property name="meta.attr.0.stream.creation_time.markup">2024-01-22T03:04:03.000000Z</property>
     <property name="meta.attr.0.stream.handler_name.markup">Core Media Video</property>
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     <property name="meta.attr.0.stream.encoder.markup">H.264</property>
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     <property name="meta.media.1.codec.name">aac</property>
     <property name="meta.media.1.codec.long_name">AAC (Advanced Audio Coding)</property>
-    <property name="meta.media.1.codec.bit_rate">125820</property>
-    <property name="meta.attr.1.stream.creation_time.markup">2024-01-15T02:24:11.000000Z</property>
+    <property name="meta.media.1.codec.bit_rate">125731</property>
+    <property name="meta.attr.1.stream.creation_time.markup">2024-01-22T03:04:03.000000Z</property>
     <property name="meta.attr.1.stream.handler_name.markup">Core Media Audio</property>
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     <property name="meta.attr.major_brand.markup">qt  </property>
     <property name="meta.attr.minor_version.markup">0</property>
     <property name="meta.attr.compatible_brands.markup">qt  </property>
-    <property name="meta.attr.creation_time.markup">2024-01-15T02:24:11.000000Z</property>
+    <property name="meta.attr.creation_time.markup">2024-01-22T03:04:03.000000Z</property>
     <property name="meta.attr.encoder.markup">Lavf60.16.100</property>
     <property name="seekable">1</property>
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     <property name="meta.media.sample_aspect_den">1</property>
     <property name="audio_index">1</property>
     <property name="video_index">-1</property>
-    <property name="creation_time">2024-01-15T02:24:11</property>
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     <property name="vstream">-1</property>
-    <property name="meta.media.frame_rate_num">4728780</property>
-    <property name="meta.media.frame_rate_den">124589</property>
+    <property name="meta.media.frame_rate_num">60</property>
+    <property name="meta.media.frame_rate_den">1</property>
     <property name="meta.media.colorspace">709</property>
     <property name="meta.media.color_trc">1</property>
-    <property name="meta.media.has_b_frames">1</property>
-    <property name="meta.media.width">3456</property>
-    <property name="meta.media.height">2160</property>
+    <property name="meta.media.has_b_frames">0</property>
+    <property name="meta.media.width">864</property>
+    <property name="meta.media.height">540</property>
     <property name="meta.media.aspect_ratio">1</property>
     <property name="meta.media.color_range">mpeg</property>
     <property name="astream">0</property>
-    <property name="shotcut:hash">460b48940530c197dc6e411af3f9c8e1</property>
-    <property name="shotcut:caption">Screen Recording 2024-01-15 at 02.48.38.mov</property>
+    <property name="shotcut:hash">cc43bc6e55d30bec7a8aac8c39901bee</property>
+    <property name="shotcut:caption">Screen Recording 2024-01-22 at 04.02.43.mov</property>
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     <property name="meta.media.top_field_first">0</property>
     <property name="meta.media.progressive">1</property>
-    <property name="meta.shotcut.vui">1</property>
+    <property name="shotcut:defaultAudioIndex">1</property>
     <property name="meta.attr.com.apple.quicktime.make.markup">Apple</property>
     <property name="meta.attr.com.apple.quicktime.model.markup">MacBookPro18,2</property>
     <property name="meta.attr.com.apple.quicktime.software.markup">macOS 14.2.1 (23C71)</property>
-    <property name="meta.attr.com.apple.quicktime.creationdate.markup">2024-01-15T02:48:48+0100</property>
-    <property name="shotcut:defaultAudioIndex">1</property>
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-      <property name="max_gain">20dB</property>
-      <property name="level">4</property>
-      <property name="mlt_service">volume</property>
-    </filter>
+    <property name="meta.attr.com.apple.quicktime.creationdate.markup">2024-01-22T04:04:02+0100</property>
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-  <chain id="chain16" out="00:34:36.440">
-    <property name="length">00:34:36.480</property>
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-    <property name="resource">/Volumes/LaCie/GNU Taler films/ONLINE/tutorial-videos/original_media/merchant/order1/Screen Recording 2024-01-15 at 02.48.38.mov</property>
+    <property name="resource">/Volumes/LaCie/GNU Taler films/ONLINE/tutorial-videos/original_media/merchant/order1/Screen Recording 2024-01-22 at 04.02.43.mov</property>
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     <property name="meta.media.0.stream.type">video</property>
-    <property name="meta.media.0.stream.frame_rate">37.955</property>
+    <property name="meta.media.0.stream.frame_rate">37.6514</property>
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     <property name="meta.media.0.codec.width">3456</property>
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-    <property name="meta.attr.0.stream.creation_time.markup">2024-01-15T02:24:11.000000Z</property>
+    <property name="meta.media.0.codec.bit_rate">25741987</property>
+    <property name="meta.attr.0.stream.creation_time.markup">2024-01-22T03:04:03.000000Z</property>
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     <property name="meta.media.1.codec.long_name">AAC (Advanced Audio Coding)</property>
-    <property name="meta.media.1.codec.bit_rate">125820</property>
-    <property name="meta.attr.1.stream.creation_time.markup">2024-01-15T02:24:11.000000Z</property>
+    <property name="meta.media.1.codec.bit_rate">125731</property>
+    <property name="meta.attr.1.stream.creation_time.markup">2024-01-22T03:04:03.000000Z</property>
     <property name="meta.attr.1.stream.handler_name.markup">Core Media Audio</property>
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     <property name="meta.attr.compatible_brands.markup">qt  </property>
-    <property name="meta.attr.creation_time.markup">2024-01-15T02:24:11.000000Z</property>
+    <property name="meta.attr.creation_time.markup">2024-01-22T03:04:03.000000Z</property>
     <property name="meta.attr.encoder.markup">Lavf60.16.100</property>
     <property name="seekable">1</property>
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     <property name="audio_index">1</property>
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-    <property name="creation_time">2024-01-15T02:24:11</property>
+    <property name="creation_time">2024-01-22T03:04:03</property>
     <property name="vstream">-1</property>
-    <property name="meta.media.frame_rate_num">4728780</property>
-    <property name="meta.media.frame_rate_den">124589</property>
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-    <property name="meta.media.height">2160</property>
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+    <property name="meta.media.width">864</property>
+    <property name="meta.media.height">540</property>
     <property name="meta.media.aspect_ratio">1</property>
     <property name="meta.media.color_range">mpeg</property>
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-    <property name="shotcut:caption">Screen Recording 2024-01-15 at 02.48.38.mov</property>
+    <property name="shotcut:hash">cc43bc6e55d30bec7a8aac8c39901bee</property>
+    <property name="shotcut:caption">Screen Recording 2024-01-22 at 04.02.43.mov</property>
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     <property name="meta.attr.com.apple.quicktime.make.markup">Apple</property>
     <property name="meta.attr.com.apple.quicktime.model.markup">MacBookPro18,2</property>
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-      <property name="level">4</property>
-      <property name="mlt_service">volume</property>
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     <property name="meta.media.0.stream.type">video</property>
-    <property name="meta.media.0.stream.frame_rate">37.955</property>
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     <property name="meta.media.0.stream.sample_aspect_ratio">0</property>
     <property name="meta.media.0.codec.width">3456</property>
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     <property name="meta.media.0.codec.long_name">H.264 / AVC / MPEG-4 AVC / MPEG-4 part 10</property>
-    <property name="meta.media.0.codec.bit_rate">24972958</property>
-    <property name="meta.attr.0.stream.creation_time.markup">2024-01-15T02:24:11.000000Z</property>
+    <property name="meta.media.0.codec.bit_rate">25741987</property>
+    <property name="meta.attr.0.stream.creation_time.markup">2024-01-22T03:04:03.000000Z</property>
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     <property name="meta.media.1.codec.name">aac</property>
     <property name="meta.media.1.codec.long_name">AAC (Advanced Audio Coding)</property>
-    <property name="meta.media.1.codec.bit_rate">125820</property>
-    <property name="meta.attr.1.stream.creation_time.markup">2024-01-15T02:24:11.000000Z</property>
+    <property name="meta.media.1.codec.bit_rate">125731</property>
+    <property name="meta.attr.1.stream.creation_time.markup">2024-01-22T03:04:03.000000Z</property>
     <property name="meta.attr.1.stream.handler_name.markup">Core Media Audio</property>
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     <property name="meta.attr.major_brand.markup">qt  </property>
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     <property name="meta.attr.compatible_brands.markup">qt  </property>
-    <property name="meta.attr.creation_time.markup">2024-01-15T02:24:11.000000Z</property>
+    <property name="meta.attr.creation_time.markup">2024-01-22T03:04:03.000000Z</property>
     <property name="meta.attr.encoder.markup">Lavf60.16.100</property>
     <property name="seekable">1</property>
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     <property name="meta.media.sample_aspect_den">1</property>
     <property name="audio_index">1</property>
     <property name="video_index">-1</property>
-    <property name="creation_time">2024-01-15T02:24:11</property>
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     <property name="vstream">-1</property>
-    <property name="meta.media.frame_rate_num">4728780</property>
-    <property name="meta.media.frame_rate_den">124589</property>
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+    <property name="meta.media.frame_rate_den">1</property>
     <property name="meta.media.colorspace">709</property>
     <property name="meta.media.color_trc">1</property>
-    <property name="meta.media.has_b_frames">1</property>
-    <property name="meta.media.width">3456</property>
-    <property name="meta.media.height">2160</property>
+    <property name="meta.media.has_b_frames">0</property>
+    <property name="meta.media.width">864</property>
+    <property name="meta.media.height">540</property>
     <property name="meta.media.aspect_ratio">1</property>
     <property name="meta.media.color_range">mpeg</property>
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-    <property name="shotcut:caption">Screen Recording 2024-01-15 at 02.48.38.mov</property>
+    <property name="shotcut:hash">cc43bc6e55d30bec7a8aac8c39901bee</property>
+    <property name="shotcut:caption">Screen Recording 2024-01-22 at 04.02.43.mov</property>
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     <property name="meta.media.top_field_first">0</property>
     <property name="meta.media.progressive">1</property>
-    <property name="meta.shotcut.vui">1</property>
+    <property name="shotcut:defaultAudioIndex">1</property>
     <property name="meta.attr.com.apple.quicktime.make.markup">Apple</property>
     <property name="meta.attr.com.apple.quicktime.model.markup">MacBookPro18,2</property>
     <property name="meta.attr.com.apple.quicktime.software.markup">macOS 14.2.1 (23C71)</property>
-    <property name="meta.attr.com.apple.quicktime.creationdate.markup">2024-01-15T02:48:48+0100</property>
-    <property name="shotcut:defaultAudioIndex">1</property>
-    <filter id="filter15" in="00:07:00.800" out="00:07:10.080">
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-      <property name="max_gain">20dB</property>
-      <property name="level">4</property>
-      <property name="mlt_service">volume</property>
-    </filter>
+    <property name="meta.attr.com.apple.quicktime.creationdate.markup">2024-01-22T04:04:02+0100</property>
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-  <chain id="chain18" out="00:34:36.440">
-    <property name="length">00:34:36.480</property>
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-    <property name="resource">/Volumes/LaCie/GNU Taler films/ONLINE/tutorial-videos/original_media/merchant/order1/Screen Recording 2024-01-15 at 02.48.38.mov</property>
+    <property name="resource">/Volumes/LaCie/GNU Taler films/ONLINE/tutorial-videos/original_media/merchant/order1/Screen Recording 2024-01-22 at 04.02.43.mov</property>
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     <property name="meta.media.0.stream.type">video</property>
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     <property name="meta.media.0.codec.width">3456</property>
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     <property name="meta.media.0.codec.name">h264</property>
     <property name="meta.media.0.codec.long_name">H.264 / AVC / MPEG-4 AVC / MPEG-4 part 10</property>
-    <property name="meta.media.0.codec.bit_rate">24972958</property>
-    <property name="meta.attr.0.stream.creation_time.markup">2024-01-15T02:24:11.000000Z</property>
+    <property name="meta.media.0.codec.bit_rate">25741987</property>
+    <property name="meta.attr.0.stream.creation_time.markup">2024-01-22T03:04:03.000000Z</property>
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     <property name="meta.attr.0.stream.encoder.markup">H.264</property>
@@ -1338,58 +2839,51 @@
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     <property name="meta.media.1.codec.name">aac</property>
     <property name="meta.media.1.codec.long_name">AAC (Advanced Audio Coding)</property>
-    <property name="meta.media.1.codec.bit_rate">125820</property>
-    <property name="meta.attr.1.stream.creation_time.markup">2024-01-15T02:24:11.000000Z</property>
+    <property name="meta.media.1.codec.bit_rate">125731</property>
+    <property name="meta.attr.1.stream.creation_time.markup">2024-01-22T03:04:03.000000Z</property>
     <property name="meta.attr.1.stream.handler_name.markup">Core Media Audio</property>
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     <property name="meta.attr.major_brand.markup">qt  </property>
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     <property name="meta.attr.compatible_brands.markup">qt  </property>
-    <property name="meta.attr.creation_time.markup">2024-01-15T02:24:11.000000Z</property>
+    <property name="meta.attr.creation_time.markup">2024-01-22T03:04:03.000000Z</property>
     <property name="meta.attr.encoder.markup">Lavf60.16.100</property>
     <property name="seekable">1</property>
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     <property name="meta.media.sample_aspect_den">1</property>
     <property name="audio_index">1</property>
     <property name="video_index">-1</property>
-    <property name="creation_time">2024-01-15T02:24:11</property>
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     <property name="vstream">-1</property>
-    <property name="meta.media.frame_rate_num">4728780</property>
-    <property name="meta.media.frame_rate_den">124589</property>
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+    <property name="meta.media.frame_rate_den">1</property>
     <property name="meta.media.colorspace">709</property>
     <property name="meta.media.color_trc">1</property>
-    <property name="meta.media.has_b_frames">1</property>
-    <property name="meta.media.width">3456</property>
-    <property name="meta.media.height">2160</property>
+    <property name="meta.media.has_b_frames">0</property>
+    <property name="meta.media.width">864</property>
+    <property name="meta.media.height">540</property>
     <property name="meta.media.aspect_ratio">1</property>
     <property name="meta.media.color_range">mpeg</property>
     <property name="astream">0</property>
-    <property name="shotcut:hash">460b48940530c197dc6e411af3f9c8e1</property>
-    <property name="shotcut:caption">Screen Recording 2024-01-15 at 02.48.38.mov</property>
+    <property name="shotcut:hash">cc43bc6e55d30bec7a8aac8c39901bee</property>
+    <property name="shotcut:caption">Screen Recording 2024-01-22 at 04.02.43.mov</property>
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     <property name="meta.media.top_field_first">0</property>
     <property name="meta.media.progressive">1</property>
-    <property name="meta.shotcut.vui">1</property>
+    <property name="shotcut:defaultAudioIndex">1</property>
     <property name="meta.attr.com.apple.quicktime.make.markup">Apple</property>
     <property name="meta.attr.com.apple.quicktime.model.markup">MacBookPro18,2</property>
     <property name="meta.attr.com.apple.quicktime.software.markup">macOS 14.2.1 (23C71)</property>
-    <property name="meta.attr.com.apple.quicktime.creationdate.markup">2024-01-15T02:48:48+0100</property>
-    <property name="shotcut:defaultAudioIndex">1</property>
-    <filter id="filter16" in="00:07:12.960" out="00:07:32.960">
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-      <property name="max_gain">20dB</property>
-      <property name="level">4</property>
-      <property name="mlt_service">volume</property>
-    </filter>
+    <property name="meta.attr.com.apple.quicktime.creationdate.markup">2024-01-22T04:04:02+0100</property>
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-  <chain id="chain19" out="00:34:36.440">
-    <property name="length">00:34:36.480</property>
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-    <property name="resource">/Volumes/LaCie/GNU Taler films/ONLINE/tutorial-videos/original_media/merchant/order1/Screen Recording 2024-01-15 at 02.48.38.mov</property>
+    <property name="resource">/Volumes/LaCie/GNU Taler films/ONLINE/tutorial-videos/original_media/merchant/order1/Screen Recording 2024-01-22 at 04.02.43.mov</property>
     <property name="mlt_service">avformat-novalidate</property>
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     <property name="meta.media.0.stream.type">video</property>
-    <property name="meta.media.0.stream.frame_rate">37.955</property>
+    <property name="meta.media.0.stream.frame_rate">37.6514</property>
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     <property name="meta.media.0.codec.width">3456</property>
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     <property name="meta.media.0.codec.long_name">H.264 / AVC / MPEG-4 AVC / MPEG-4 part 10</property>
-    <property name="meta.media.0.codec.bit_rate">24972958</property>
-    <property name="meta.attr.0.stream.creation_time.markup">2024-01-15T02:24:11.000000Z</property>
+    <property name="meta.media.0.codec.bit_rate">25741987</property>
+    <property name="meta.attr.0.stream.creation_time.markup">2024-01-22T03:04:03.000000Z</property>
     <property name="meta.attr.0.stream.handler_name.markup">Core Media Video</property>
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     <property name="meta.attr.0.stream.encoder.markup">H.264</property>
@@ -1411,58 +2905,51 @@
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     <property name="meta.media.1.codec.name">aac</property>
     <property name="meta.media.1.codec.long_name">AAC (Advanced Audio Coding)</property>
-    <property name="meta.media.1.codec.bit_rate">125820</property>
-    <property name="meta.attr.1.stream.creation_time.markup">2024-01-15T02:24:11.000000Z</property>
+    <property name="meta.media.1.codec.bit_rate">125731</property>
+    <property name="meta.attr.1.stream.creation_time.markup">2024-01-22T03:04:03.000000Z</property>
     <property name="meta.attr.1.stream.handler_name.markup">Core Media Audio</property>
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     <property name="meta.attr.major_brand.markup">qt  </property>
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     <property name="meta.attr.compatible_brands.markup">qt  </property>
-    <property name="meta.attr.creation_time.markup">2024-01-15T02:24:11.000000Z</property>
+    <property name="meta.attr.creation_time.markup">2024-01-22T03:04:03.000000Z</property>
     <property name="meta.attr.encoder.markup">Lavf60.16.100</property>
     <property name="seekable">1</property>
     <property name="meta.media.sample_aspect_num">1</property>
     <property name="meta.media.sample_aspect_den">1</property>
     <property name="audio_index">1</property>
     <property name="video_index">-1</property>
-    <property name="creation_time">2024-01-15T02:24:11</property>
+    <property name="creation_time">2024-01-22T03:04:03</property>
     <property name="vstream">-1</property>
-    <property name="meta.media.frame_rate_num">4728780</property>
-    <property name="meta.media.frame_rate_den">124589</property>
+    <property name="meta.media.frame_rate_num">60</property>
+    <property name="meta.media.frame_rate_den">1</property>
     <property name="meta.media.colorspace">709</property>
     <property name="meta.media.color_trc">1</property>
-    <property name="meta.media.has_b_frames">1</property>
-    <property name="meta.media.width">3456</property>
-    <property name="meta.media.height">2160</property>
+    <property name="meta.media.has_b_frames">0</property>
+    <property name="meta.media.width">864</property>
+    <property name="meta.media.height">540</property>
     <property name="meta.media.aspect_ratio">1</property>
     <property name="meta.media.color_range">mpeg</property>
     <property name="astream">0</property>
-    <property name="shotcut:hash">460b48940530c197dc6e411af3f9c8e1</property>
-    <property name="shotcut:caption">Screen Recording 2024-01-15 at 02.48.38.mov</property>
+    <property name="shotcut:hash">cc43bc6e55d30bec7a8aac8c39901bee</property>
+    <property name="shotcut:caption">Screen Recording 2024-01-22 at 04.02.43.mov</property>
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     <property name="meta.media.top_field_first">0</property>
     <property name="meta.media.progressive">1</property>
-    <property name="meta.shotcut.vui">1</property>
+    <property name="shotcut:defaultAudioIndex">1</property>
     <property name="meta.attr.com.apple.quicktime.make.markup">Apple</property>
     <property name="meta.attr.com.apple.quicktime.model.markup">MacBookPro18,2</property>
     <property name="meta.attr.com.apple.quicktime.software.markup">macOS 14.2.1 (23C71)</property>
-    <property name="meta.attr.com.apple.quicktime.creationdate.markup">2024-01-15T02:48:48+0100</property>
-    <property name="shotcut:defaultAudioIndex">1</property>
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-      <property name="max_gain">20dB</property>
-      <property name="level">4</property>
-      <property name="mlt_service">volume</property>
-    </filter>
+    <property name="meta.attr.com.apple.quicktime.creationdate.markup">2024-01-22T04:04:02+0100</property>
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-  <chain id="chain20" out="00:34:36.440">
-    <property name="length">00:34:36.480</property>
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-    <property name="resource">/Volumes/LaCie/GNU Taler films/ONLINE/tutorial-videos/original_media/merchant/order1/Screen Recording 2024-01-15 at 02.48.38.mov</property>
+    <property name="resource">/Volumes/LaCie/GNU Taler films/ONLINE/tutorial-videos/original_media/merchant/order1/Screen Recording 2024-01-22 at 04.02.43.mov</property>
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     <property name="meta.media.0.stream.type">video</property>
-    <property name="meta.media.0.stream.frame_rate">37.955</property>
+    <property name="meta.media.0.stream.frame_rate">37.6514</property>
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     <property name="meta.media.0.codec.width">3456</property>
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-    <property name="meta.media.0.codec.bit_rate">24972958</property>
-    <property name="meta.attr.0.stream.creation_time.markup">2024-01-15T02:24:11.000000Z</property>
+    <property name="meta.media.0.codec.bit_rate">25741987</property>
+    <property name="meta.attr.0.stream.creation_time.markup">2024-01-22T03:04:03.000000Z</property>
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     <property name="meta.media.1.codec.long_name">AAC (Advanced Audio Coding)</property>
-    <property name="meta.media.1.codec.bit_rate">125820</property>
-    <property name="meta.attr.1.stream.creation_time.markup">2024-01-15T02:24:11.000000Z</property>
+    <property name="meta.media.1.codec.bit_rate">125731</property>
+    <property name="meta.attr.1.stream.creation_time.markup">2024-01-22T03:04:03.000000Z</property>
     <property name="meta.attr.1.stream.handler_name.markup">Core Media Audio</property>
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     <property name="meta.attr.compatible_brands.markup">qt  </property>
-    <property name="meta.attr.creation_time.markup">2024-01-15T02:24:11.000000Z</property>
+    <property name="meta.attr.creation_time.markup">2024-01-22T03:04:03.000000Z</property>
     <property name="meta.attr.encoder.markup">Lavf60.16.100</property>
     <property name="seekable">1</property>
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     <property name="audio_index">1</property>
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-    <property name="creation_time">2024-01-15T02:24:11</property>
+    <property name="creation_time">2024-01-22T03:04:03</property>
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-    <property name="meta.media.frame_rate_num">4728780</property>
-    <property name="meta.media.frame_rate_den">124589</property>
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-    <property name="meta.media.width">3456</property>
-    <property name="meta.media.height">2160</property>
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+    <property name="meta.media.width">864</property>
+    <property name="meta.media.height">540</property>
     <property name="meta.media.aspect_ratio">1</property>
     <property name="meta.media.color_range">mpeg</property>
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-    <property name="shotcut:caption">Screen Recording 2024-01-15 at 02.48.38.mov</property>
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+    <property name="shotcut:caption">Screen Recording 2024-01-22 at 04.02.43.mov</property>
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-      <property name="level">4</property>
-      <property name="mlt_service">volume</property>
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+    <property name="meta.attr.com.apple.quicktime.make.markup">Apple</property>
+    <property name="meta.attr.com.apple.quicktime.model.markup">MacBookPro18,2</property>
+    <property name="meta.attr.com.apple.quicktime.software.markup">macOS 14.2.1 (23C71)</property>
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-    <property name="meta.attr.0.stream.creation_time.markup">2024-01-15T02:24:11.000000Z</property>
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+    <property name="meta.attr.0.stream.creation_time.markup">2024-01-22T03:04:03.000000Z</property>
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-    <property name="meta.attr.1.stream.creation_time.markup">2024-01-15T02:24:11.000000Z</property>
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+    <property name="meta.attr.1.stream.creation_time.markup">2024-01-22T03:04:03.000000Z</property>
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     <property name="meta.attr.compatible_brands.markup">qt  </property>
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+    <property name="meta.media.height">540</property>
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-    <property name="shotcut:caption">Screen Recording 2024-01-15 at 02.48.38.mov</property>
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     <property name="meta.attr.com.apple.quicktime.make.markup">Apple</property>
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+    <property name="meta.attr.compatible_brands.markup">qt  </property>
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+    <property name="meta.media.height">540</property>
+    <property name="meta.media.aspect_ratio">1</property>
+    <property name="meta.media.color_range">mpeg</property>
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+    <property name="shotcut:hash">cc43bc6e55d30bec7a8aac8c39901bee</property>
+    <property name="shotcut:caption">Screen Recording 2024-01-22 at 04.02.43.mov</property>
+    <property name="xml">was here</property>
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-      <property name="max_gain">20dB</property>
-      <property name="level">4</property>
-      <property name="mlt_service">volume</property>
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+    <property name="meta.attr.com.apple.quicktime.make.markup">Apple</property>
+    <property name="meta.attr.com.apple.quicktime.model.markup">MacBookPro18,2</property>
+    <property name="meta.attr.com.apple.quicktime.software.markup">macOS 14.2.1 (23C71)</property>
+    <property name="meta.attr.com.apple.quicktime.creationdate.markup">2024-01-22T04:04:02+0100</property>
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-    <property name="meta.attr.0.stream.creation_time.markup">2024-01-15T02:24:11.000000Z</property>
+    <property name="meta.media.0.codec.bit_rate">25741987</property>
+    <property name="meta.attr.0.stream.creation_time.markup">2024-01-22T03:04:03.000000Z</property>
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-    <property name="meta.attr.1.stream.creation_time.markup">2024-01-15T02:24:11.000000Z</property>
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+    <property name="meta.attr.1.stream.creation_time.markup">2024-01-22T03:04:03.000000Z</property>
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     <property name="meta.attr.com.apple.quicktime.make.markup">Apple</property>
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+    <property name="meta.attr.compatible_brands.markup">qt  </property>
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+    <property name="meta.media.height">540</property>
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+    <property name="shotcut:caption">Screen Recording 2024-01-22 at 04.02.43.mov</property>
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-      <property name="level">4</property>
-      <property name="mlt_service">volume</property>
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+    <property name="meta.attr.com.apple.quicktime.make.markup">Apple</property>
+    <property name="meta.attr.com.apple.quicktime.model.markup">MacBookPro18,2</property>
+    <property name="meta.attr.com.apple.quicktime.software.markup">macOS 14.2.1 (23C71)</property>
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-    <property name="meta.attr.0.stream.creation_time.markup">2024-01-15T02:24:11.000000Z</property>
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+    <property name="meta.attr.0.stream.creation_time.markup">2024-01-22T03:04:03.000000Z</property>
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-    <property name="meta.attr.1.stream.creation_time.markup">2024-01-15T02:24:11.000000Z</property>
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+    <property name="meta.attr.1.stream.creation_time.markup">2024-01-22T03:04:03.000000Z</property>
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-    <property name="meta.attr.creation_time.markup">2024-01-15T02:24:11.000000Z</property>
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-    <property name="shotcut:caption">Screen Recording 2024-01-15 at 02.48.38.mov</property>
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     <property name="meta.attr.com.apple.quicktime.make.markup">Apple</property>
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+    <property name="meta.attr.compatible_brands.markup">qt  </property>
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+    <property name="meta.media.height">540</property>
+    <property name="meta.media.aspect_ratio">1</property>
+    <property name="meta.media.color_range">mpeg</property>
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+    <property name="shotcut:caption">Screen Recording 2024-01-22 at 04.02.43.mov</property>
+    <property name="xml">was here</property>
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-      <property name="level">4</property>
-      <property name="mlt_service">volume</property>
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+    <property name="meta.attr.com.apple.quicktime.make.markup">Apple</property>
+    <property name="meta.attr.com.apple.quicktime.model.markup">MacBookPro18,2</property>
+    <property name="meta.attr.com.apple.quicktime.software.markup">macOS 14.2.1 (23C71)</property>
+    <property name="meta.attr.com.apple.quicktime.creationdate.markup">2024-01-22T04:04:02+0100</property>
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-    <property name="meta.attr.0.stream.creation_time.markup">2024-01-15T02:24:11.000000Z</property>
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+    <property name="meta.attr.0.stream.creation_time.markup">2024-01-22T03:04:03.000000Z</property>
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-    <property name="meta.attr.1.stream.creation_time.markup">2024-01-15T02:24:11.000000Z</property>
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+    <property name="meta.attr.1.stream.creation_time.markup">2024-01-22T03:04:03.000000Z</property>
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     <property name="meta.attr.compatible_brands.markup">qt  </property>
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+    <property name="meta.media.1.codec.long_name">AAC (Advanced Audio Coding)</property>
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+    <property name="meta.attr.1.stream.handler_name.markup">Core Media Audio</property>
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+    <property name="meta.attr.compatible_brands.markup">qt  </property>
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+    <property name="meta.attr.encoder.markup">Lavf60.16.100</property>
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+    <property name="creation_time">2024-01-22T03:04:03</property>
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+    <property name="meta.media.frame_rate_den">1</property>
+    <property name="meta.media.colorspace">709</property>
+    <property name="meta.media.color_trc">1</property>
+    <property name="meta.media.has_b_frames">0</property>
+    <property name="meta.media.width">864</property>
+    <property name="meta.media.height">540</property>
+    <property name="meta.media.aspect_ratio">1</property>
+    <property name="meta.media.color_range">mpeg</property>
+    <property name="astream">0</property>
+    <property name="shotcut:hash">cc43bc6e55d30bec7a8aac8c39901bee</property>
+    <property name="shotcut:caption">Screen Recording 2024-01-22 at 04.02.43.mov</property>
+    <property name="xml">was here</property>
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-      <property name="max_gain">20dB</property>
-      <property name="level">4</property>
-      <property name="mlt_service">volume</property>
-    </filter>
+    <property name="meta.attr.com.apple.quicktime.make.markup">Apple</property>
+    <property name="meta.attr.com.apple.quicktime.model.markup">MacBookPro18,2</property>
+    <property name="meta.attr.com.apple.quicktime.software.markup">macOS 14.2.1 (23C71)</property>
+    <property name="meta.attr.com.apple.quicktime.creationdate.markup">2024-01-22T04:04:02+0100</property>
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+    <property name="resource">/Volumes/LaCie/GNU Taler films/ONLINE/tutorial-videos/original_media/merchant/order1/Screen Recording 2024-01-22 at 04.02.43.mov</property>
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-    <property name="meta.attr.0.stream.creation_time.markup">2024-01-15T02:24:11.000000Z</property>
+    <property name="meta.media.0.codec.bit_rate">25741987</property>
+    <property name="meta.attr.0.stream.creation_time.markup">2024-01-22T03:04:03.000000Z</property>
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-    <property name="meta.attr.1.stream.creation_time.markup">2024-01-15T02:24:11.000000Z</property>
+    <property name="meta.media.1.codec.bit_rate">125731</property>
+    <property name="meta.attr.1.stream.creation_time.markup">2024-01-22T03:04:03.000000Z</property>
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     <property name="meta.attr.compatible_brands.markup">qt  </property>
-    <property name="meta.attr.creation_time.markup">2024-01-15T02:24:11.000000Z</property>
+    <property name="meta.attr.creation_time.markup">2024-01-22T03:04:03.000000Z</property>
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-    <property name="creation_time">2024-01-15T02:24:11</property>
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     <property name="vstream">-1</property>
-    <property name="meta.media.frame_rate_num">4728780</property>
-    <property name="meta.media.frame_rate_den">124589</property>
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+    <property name="meta.media.frame_rate_den">1</property>
     <property name="meta.media.colorspace">709</property>
     <property name="meta.media.color_trc">1</property>
-    <property name="meta.media.has_b_frames">1</property>
-    <property name="meta.media.width">3456</property>
-    <property name="meta.media.height">2160</property>
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+    <property name="meta.media.width">864</property>
+    <property name="meta.media.height">540</property>
     <property name="meta.media.aspect_ratio">1</property>
     <property name="meta.media.color_range">mpeg</property>
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-    <property name="shotcut:caption">Screen Recording 2024-01-15 at 02.48.38.mov</property>
+    <property name="shotcut:hash">cc43bc6e55d30bec7a8aac8c39901bee</property>
+    <property name="shotcut:caption">Screen Recording 2024-01-22 at 04.02.43.mov</property>
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     <property name="meta.media.top_field_first">0</property>
     <property name="meta.media.progressive">1</property>
-    <property name="meta.shotcut.vui">1</property>
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     <property name="meta.attr.com.apple.quicktime.make.markup">Apple</property>
     <property name="meta.attr.com.apple.quicktime.model.markup">MacBookPro18,2</property>
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-    <property name="meta.attr.com.apple.quicktime.creationdate.markup">2024-01-15T02:48:48+0100</property>
+    <property name="meta.attr.com.apple.quicktime.creationdate.markup">2024-01-22T04:04:02+0100</property>
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+    <property name="eof">pause</property>
+    <property name="resource">/Volumes/LaCie/GNU Taler films/ONLINE/tutorial-videos/original_media/merchant/order1/Screen Recording 2024-01-22 at 04.02.43.mov</property>
+    <property name="mlt_service">avformat-novalidate</property>
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+    <property name="meta.media.0.stream.type">video</property>
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+    <property name="meta.media.0.stream.sample_aspect_ratio">0</property>
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+    <property name="meta.media.0.codec.height">2160</property>
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+    <property name="meta.media.0.codec.pix_fmt">yuv420p</property>
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+    <property name="meta.attr.0.stream.creation_time.markup">2024-01-22T03:04:03.000000Z</property>
+    <property name="meta.attr.0.stream.handler_name.markup">Core Media Video</property>
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+    <property name="meta.media.1.codec.sample_rate">44100</property>
+    <property name="meta.media.1.codec.channels">1</property>
+    <property name="meta.media.1.codec.name">aac</property>
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+    <property name="meta.attr.1.stream.creation_time.markup">2024-01-22T03:04:03.000000Z</property>
+    <property name="meta.attr.1.stream.handler_name.markup">Core Media Audio</property>
+    <property name="meta.attr.1.stream.vendor_id.markup">[0][0][0][0]</property>
+    <property name="meta.attr.major_brand.markup">qt  </property>
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+    <property name="meta.attr.compatible_brands.markup">qt  </property>
+    <property name="meta.attr.creation_time.markup">2024-01-22T03:04:03.000000Z</property>
+    <property name="meta.attr.encoder.markup">Lavf60.16.100</property>
+    <property name="seekable">1</property>
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+    <property name="creation_time">2024-01-22T03:04:03</property>
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+    <property name="meta.media.frame_rate_num">60</property>
+    <property name="meta.media.frame_rate_den">1</property>
+    <property name="meta.media.colorspace">709</property>
+    <property name="meta.media.color_trc">1</property>
+    <property name="meta.media.has_b_frames">0</property>
+    <property name="meta.media.width">864</property>
+    <property name="meta.media.height">540</property>
+    <property name="meta.media.aspect_ratio">1</property>
+    <property name="meta.media.color_range">mpeg</property>
+    <property name="astream">0</property>
+    <property name="shotcut:hash">cc43bc6e55d30bec7a8aac8c39901bee</property>
+    <property name="shotcut:caption">Screen Recording 2024-01-22 at 04.02.43.mov</property>
+    <property name="xml">was here</property>
+    <property name="meta.media.top_field_first">0</property>
+    <property name="meta.media.progressive">1</property>
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-      <property name="max_gain">20dB</property>
-      <property name="level">4</property>
-      <property name="mlt_service">volume</property>
-    </filter>
+    <property name="meta.attr.com.apple.quicktime.make.markup">Apple</property>
+    <property name="meta.attr.com.apple.quicktime.model.markup">MacBookPro18,2</property>
+    <property name="meta.attr.com.apple.quicktime.software.markup">macOS 14.2.1 (23C71)</property>
+    <property name="meta.attr.com.apple.quicktime.creationdate.markup">2024-01-22T04:04:02+0100</property>
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+    <property name="resource">/Volumes/LaCie/GNU Taler films/ONLINE/tutorial-videos/original_media/merchant/order1/Screen Recording 2024-01-22 at 04.02.43.mov</property>
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-    <property name="meta.attr.0.stream.creation_time.markup">2024-01-15T02:24:11.000000Z</property>
+    <property name="meta.media.0.codec.bit_rate">25741987</property>
+    <property name="meta.attr.0.stream.creation_time.markup">2024-01-22T03:04:03.000000Z</property>
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-    <property name="meta.attr.1.stream.creation_time.markup">2024-01-15T02:24:11.000000Z</property>
+    <property name="meta.media.1.codec.bit_rate">125731</property>
+    <property name="meta.attr.1.stream.creation_time.markup">2024-01-22T03:04:03.000000Z</property>
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     <property name="meta.attr.compatible_brands.markup">qt  </property>
-    <property name="meta.attr.creation_time.markup">2024-01-15T02:24:11.000000Z</property>
+    <property name="meta.attr.creation_time.markup">2024-01-22T03:04:03.000000Z</property>
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-    <property name="creation_time">2024-01-15T02:24:11</property>
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     <property name="vstream">-1</property>
-    <property name="meta.media.frame_rate_num">4728780</property>
-    <property name="meta.media.frame_rate_den">124589</property>
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+    <property name="meta.media.frame_rate_den">1</property>
     <property name="meta.media.colorspace">709</property>
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-    <property name="meta.media.has_b_frames">1</property>
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-    <property name="meta.media.height">2160</property>
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+    <property name="meta.media.width">864</property>
+    <property name="meta.media.height">540</property>
     <property name="meta.media.aspect_ratio">1</property>
     <property name="meta.media.color_range">mpeg</property>
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-    <property name="shotcut:caption">Screen Recording 2024-01-15 at 02.48.38.mov</property>
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     <property name="meta.attr.com.apple.quicktime.make.markup">Apple</property>
     <property name="meta.attr.com.apple.quicktime.model.markup">MacBookPro18,2</property>
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+    <property name="meta.attr.1.stream.handler_name.markup">Core Media Audio</property>
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+    <property name="meta.attr.compatible_brands.markup">qt  </property>
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+    <property name="meta.media.height">540</property>
+    <property name="meta.media.aspect_ratio">1</property>
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+    <property name="shotcut:hash">cc43bc6e55d30bec7a8aac8c39901bee</property>
+    <property name="shotcut:caption">Screen Recording 2024-01-22 at 04.02.43.mov</property>
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-      <property name="level">4</property>
-      <property name="mlt_service">volume</property>
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+    <property name="meta.attr.com.apple.quicktime.make.markup">Apple</property>
+    <property name="meta.attr.com.apple.quicktime.model.markup">MacBookPro18,2</property>
+    <property name="meta.attr.com.apple.quicktime.software.markup">macOS 14.2.1 (23C71)</property>
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-    <property name="meta.attr.0.stream.creation_time.markup">2024-01-15T02:24:11.000000Z</property>
+    <property name="meta.media.0.codec.bit_rate">25741987</property>
+    <property name="meta.attr.0.stream.creation_time.markup">2024-01-22T03:04:03.000000Z</property>
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-    <property name="meta.attr.1.stream.creation_time.markup">2024-01-15T02:24:11.000000Z</property>
+    <property name="meta.media.1.codec.bit_rate">125731</property>
+    <property name="meta.attr.1.stream.creation_time.markup">2024-01-22T03:04:03.000000Z</property>
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     <property name="meta.attr.compatible_brands.markup">qt  </property>
-    <property name="meta.attr.creation_time.markup">2024-01-15T02:24:11.000000Z</property>
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-    <property name="creation_time">2024-01-15T02:24:11</property>
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-    <property name="meta.media.frame_rate_num">4728780</property>
-    <property name="meta.media.frame_rate_den">124589</property>
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-    <property name="meta.media.height">2160</property>
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+    <property name="meta.media.width">864</property>
+    <property name="meta.media.height">540</property>
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-    <property name="shotcut:caption">Screen Recording 2024-01-15 at 02.48.38.mov</property>
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     <property name="meta.media.top_field_first">0</property>
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     <property name="meta.attr.com.apple.quicktime.make.markup">Apple</property>
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-    <property name="meta.attr.com.apple.quicktime.creationdate.markup">2024-01-15T02:48:48+0100</property>
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+    <property name="resource">/Volumes/LaCie/GNU Taler films/ONLINE/tutorial-videos/original_media/merchant/order1/Screen Recording 2024-01-22 at 04.02.43.mov</property>
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+    <property name="meta.attr.0.stream.creation_time.markup">2024-01-22T03:04:03.000000Z</property>
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+    <property name="meta.media.1.codec.name">aac</property>
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+    <property name="meta.attr.compatible_brands.markup">qt  </property>
+    <property name="meta.attr.creation_time.markup">2024-01-22T03:04:03.000000Z</property>
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+    <property name="meta.media.height">540</property>
+    <property name="meta.media.aspect_ratio">1</property>
+    <property name="meta.media.color_range">mpeg</property>
+    <property name="astream">0</property>
+    <property name="shotcut:hash">cc43bc6e55d30bec7a8aac8c39901bee</property>
+    <property name="shotcut:caption">Screen Recording 2024-01-22 at 04.02.43.mov</property>
+    <property name="xml">was here</property>
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-      <property name="max_gain">20dB</property>
-      <property name="level">4</property>
-      <property name="mlt_service">volume</property>
-    </filter>
+    <property name="meta.attr.com.apple.quicktime.make.markup">Apple</property>
+    <property name="meta.attr.com.apple.quicktime.model.markup">MacBookPro18,2</property>
+    <property name="meta.attr.com.apple.quicktime.software.markup">macOS 14.2.1 (23C71)</property>
+    <property name="meta.attr.com.apple.quicktime.creationdate.markup">2024-01-22T04:04:02+0100</property>
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-    <property name="meta.attr.0.stream.creation_time.markup">2024-01-15T02:24:11.000000Z</property>
+    <property name="meta.media.0.codec.bit_rate">25741987</property>
+    <property name="meta.attr.0.stream.creation_time.markup">2024-01-22T03:04:03.000000Z</property>
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-    <property name="meta.attr.1.stream.creation_time.markup">2024-01-15T02:24:11.000000Z</property>
+    <property name="meta.media.1.codec.bit_rate">125731</property>
+    <property name="meta.attr.1.stream.creation_time.markup">2024-01-22T03:04:03.000000Z</property>
     <property name="meta.attr.1.stream.handler_name.markup">Core Media Audio</property>
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     <property name="meta.attr.compatible_brands.markup">qt  </property>
-    <property name="meta.attr.creation_time.markup">2024-01-15T02:24:11.000000Z</property>
+    <property name="meta.attr.creation_time.markup">2024-01-22T03:04:03.000000Z</property>
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-    <property name="creation_time">2024-01-15T02:24:11</property>
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     <property name="vstream">-1</property>
-    <property name="meta.media.frame_rate_num">4728780</property>
-    <property name="meta.media.frame_rate_den">124589</property>
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+    <property name="meta.media.frame_rate_den">1</property>
     <property name="meta.media.colorspace">709</property>
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-    <property name="meta.media.has_b_frames">1</property>
-    <property name="meta.media.width">3456</property>
-    <property name="meta.media.height">2160</property>
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+    <property name="meta.media.width">864</property>
+    <property name="meta.media.height">540</property>
     <property name="meta.media.aspect_ratio">1</property>
     <property name="meta.media.color_range">mpeg</property>
     <property name="astream">0</property>
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-    <property name="shotcut:caption">Screen Recording 2024-01-15 at 02.48.38.mov</property>
+    <property name="shotcut:hash">cc43bc6e55d30bec7a8aac8c39901bee</property>
+    <property name="shotcut:caption">Screen Recording 2024-01-22 at 04.02.43.mov</property>
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     <property name="meta.media.top_field_first">0</property>
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     <property name="meta.attr.com.apple.quicktime.make.markup">Apple</property>
     <property name="meta.attr.com.apple.quicktime.model.markup">MacBookPro18,2</property>
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-    <property name="meta.attr.com.apple.quicktime.creationdate.markup">2024-01-15T02:48:48+0100</property>
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-    <property name="meta.attr.0.stream.creation_time.markup">2024-01-15T02:24:11.000000Z</property>
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-    <property name="meta.attr.1.stream.creation_time.markup">2024-01-15T02:24:11.000000Z</property>
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+    <property name="meta.attr.1.stream.creation_time.markup">2024-01-22T03:04:03.000000Z</property>
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-      <property name="level">4</property>
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+    <property name="meta.attr.com.apple.quicktime.make.markup">Apple</property>
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+    <property name="meta.attr.com.apple.quicktime.software.markup">macOS 14.2.1 (23C71)</property>
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-    <property name="meta.attr.0.stream.creation_time.markup">2024-01-15T02:24:11.000000Z</property>
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+    <property name="meta.attr.0.stream.creation_time.markup">2024-01-22T03:04:03.000000Z</property>
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-    <property name="meta.attr.1.stream.creation_time.markup">2024-01-15T02:24:11.000000Z</property>
+    <property name="meta.media.1.codec.bit_rate">125731</property>
+    <property name="meta.attr.1.stream.creation_time.markup">2024-01-22T03:04:03.000000Z</property>
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     <property name="meta.attr.compatible_brands.markup">qt  </property>
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+    <property name="meta.media.height">540</property>
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     <property name="meta.attr.com.apple.quicktime.make.markup">Apple</property>
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-    <property name="meta.attr.0.stream.creation_time.markup">2024-01-15T02:24:11.000000Z</property>
+    <property name="meta.media.0.codec.bit_rate">25741987</property>
+    <property name="meta.attr.0.stream.creation_time.markup">2024-01-22T03:04:03.000000Z</property>
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-    <property name="meta.attr.1.stream.creation_time.markup">2024-01-15T02:24:11.000000Z</property>
+    <property name="meta.media.1.codec.bit_rate">125731</property>
+    <property name="meta.attr.1.stream.creation_time.markup">2024-01-22T03:04:03.000000Z</property>
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     <property name="meta.attr.compatible_brands.markup">qt  </property>
-    <property name="meta.attr.creation_time.markup">2024-01-15T02:24:11.000000Z</property>
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     <property name="audio_index">1</property>
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-    <property name="creation_time">2024-01-15T02:24:11</property>
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-    <property name="meta.media.frame_rate_num">4728780</property>
-    <property name="meta.media.frame_rate_den">124589</property>
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+    <property name="meta.media.frame_rate_den">1</property>
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-    <property name="meta.media.width">3456</property>
-    <property name="meta.media.height">2160</property>
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+    <property name="meta.media.width">864</property>
+    <property name="meta.media.height">540</property>
     <property name="meta.media.aspect_ratio">1</property>
     <property name="meta.media.color_range">mpeg</property>
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-    <property name="shotcut:caption">Screen Recording 2024-01-15 at 02.48.38.mov</property>
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+    <property name="shotcut:caption">Screen Recording 2024-01-22 at 04.02.43.mov</property>
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     <property name="meta.media.top_field_first">0</property>
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     <property name="meta.attr.com.apple.quicktime.make.markup">Apple</property>
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-    <property name="meta.attr.com.apple.quicktime.creationdate.markup">2024-01-15T02:48:48+0100</property>
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+    <property name="eof">pause</property>
+    <property name="resource">/Volumes/LaCie/GNU Taler films/ONLINE/tutorial-videos/original_media/merchant/order1/Screen Recording 2024-01-22 at 04.02.43.mov</property>
+    <property name="mlt_service">avformat-novalidate</property>
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+    <property name="meta.media.0.stream.type">video</property>
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+    <property name="meta.media.0.stream.sample_aspect_ratio">0</property>
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+    <property name="meta.media.0.codec.height">2160</property>
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+    <property name="meta.media.0.codec.pix_fmt">yuv420p</property>
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+    <property name="meta.media.0.codec.bit_rate">25741987</property>
+    <property name="meta.attr.0.stream.creation_time.markup">2024-01-22T03:04:03.000000Z</property>
+    <property name="meta.attr.0.stream.handler_name.markup">Core Media Video</property>
+    <property name="meta.attr.0.stream.vendor_id.markup">[0][0][0][0]</property>
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+    <property name="meta.media.1.stream.type">audio</property>
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+    <property name="meta.media.1.codec.sample_rate">44100</property>
+    <property name="meta.media.1.codec.channels">1</property>
+    <property name="meta.media.1.codec.name">aac</property>
+    <property name="meta.media.1.codec.long_name">AAC (Advanced Audio Coding)</property>
+    <property name="meta.media.1.codec.bit_rate">125731</property>
+    <property name="meta.attr.1.stream.creation_time.markup">2024-01-22T03:04:03.000000Z</property>
+    <property name="meta.attr.1.stream.handler_name.markup">Core Media Audio</property>
+    <property name="meta.attr.1.stream.vendor_id.markup">[0][0][0][0]</property>
+    <property name="meta.attr.major_brand.markup">qt  </property>
+    <property name="meta.attr.minor_version.markup">0</property>
+    <property name="meta.attr.compatible_brands.markup">qt  </property>
+    <property name="meta.attr.creation_time.markup">2024-01-22T03:04:03.000000Z</property>
+    <property name="meta.attr.encoder.markup">Lavf60.16.100</property>
+    <property name="seekable">1</property>
+    <property name="meta.media.sample_aspect_num">1</property>
+    <property name="meta.media.sample_aspect_den">1</property>
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+    <property name="creation_time">2024-01-22T03:04:03</property>
+    <property name="vstream">-1</property>
+    <property name="meta.media.frame_rate_num">60</property>
+    <property name="meta.media.frame_rate_den">1</property>
+    <property name="meta.media.colorspace">709</property>
+    <property name="meta.media.color_trc">1</property>
+    <property name="meta.media.has_b_frames">0</property>
+    <property name="meta.media.width">864</property>
+    <property name="meta.media.height">540</property>
+    <property name="meta.media.aspect_ratio">1</property>
+    <property name="meta.media.color_range">mpeg</property>
+    <property name="astream">0</property>
+    <property name="shotcut:hash">cc43bc6e55d30bec7a8aac8c39901bee</property>
+    <property name="shotcut:caption">Screen Recording 2024-01-22 at 04.02.43.mov</property>
+    <property name="xml">was here</property>
+    <property name="meta.media.top_field_first">0</property>
+    <property name="meta.media.progressive">1</property>
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-    <filter id="filter29" in="00:20:55.160" out="00:21:21.400">
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-      <property name="max_gain">20dB</property>
-      <property name="level">4</property>
-      <property name="mlt_service">volume</property>
-    </filter>
+    <property name="meta.attr.com.apple.quicktime.make.markup">Apple</property>
+    <property name="meta.attr.com.apple.quicktime.model.markup">MacBookPro18,2</property>
+    <property name="meta.attr.com.apple.quicktime.software.markup">macOS 14.2.1 (23C71)</property>
+    <property name="meta.attr.com.apple.quicktime.creationdate.markup">2024-01-22T04:04:02+0100</property>
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-    <property name="resource">/Volumes/LaCie/GNU Taler films/ONLINE/tutorial-videos/original_media/merchant/order1/Screen Recording 2024-01-15 at 02.48.38.mov</property>
+    <property name="resource">/Volumes/LaCie/GNU Taler films/ONLINE/tutorial-videos/original_media/merchant/order1/Screen Recording 2024-01-22 at 04.02.43.mov</property>
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-    <property name="meta.attr.0.stream.creation_time.markup">2024-01-15T02:24:11.000000Z</property>
+    <property name="meta.media.0.codec.bit_rate">25741987</property>
+    <property name="meta.attr.0.stream.creation_time.markup">2024-01-22T03:04:03.000000Z</property>
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-    <property name="meta.attr.1.stream.creation_time.markup">2024-01-15T02:24:11.000000Z</property>
+    <property name="meta.media.1.codec.bit_rate">125731</property>
+    <property name="meta.attr.1.stream.creation_time.markup">2024-01-22T03:04:03.000000Z</property>
     <property name="meta.attr.1.stream.handler_name.markup">Core Media Audio</property>
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     <property name="meta.attr.compatible_brands.markup">qt  </property>
-    <property name="meta.attr.creation_time.markup">2024-01-15T02:24:11.000000Z</property>
+    <property name="meta.attr.creation_time.markup">2024-01-22T03:04:03.000000Z</property>
     <property name="meta.attr.encoder.markup">Lavf60.16.100</property>
     <property name="seekable">1</property>
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     <property name="audio_index">1</property>
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-    <property name="creation_time">2024-01-15T02:24:11</property>
+    <property name="creation_time">2024-01-22T03:04:03</property>
     <property name="vstream">-1</property>
-    <property name="meta.media.frame_rate_num">4728780</property>
-    <property name="meta.media.frame_rate_den">124589</property>
+    <property name="meta.media.frame_rate_num">60</property>
+    <property name="meta.media.frame_rate_den">1</property>
     <property name="meta.media.colorspace">709</property>
     <property name="meta.media.color_trc">1</property>
-    <property name="meta.media.has_b_frames">1</property>
-    <property name="meta.media.width">3456</property>
-    <property name="meta.media.height">2160</property>
+    <property name="meta.media.has_b_frames">0</property>
+    <property name="meta.media.width">864</property>
+    <property name="meta.media.height">540</property>
     <property name="meta.media.aspect_ratio">1</property>
     <property name="meta.media.color_range">mpeg</property>
     <property name="astream">0</property>
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-    <property name="shotcut:caption">Screen Recording 2024-01-15 at 02.48.38.mov</property>
+    <property name="shotcut:hash">cc43bc6e55d30bec7a8aac8c39901bee</property>
+    <property name="shotcut:caption">Screen Recording 2024-01-22 at 04.02.43.mov</property>
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     <property name="meta.media.top_field_first">0</property>
     <property name="meta.media.progressive">1</property>
-    <property name="meta.shotcut.vui">1</property>
+    <property name="shotcut:defaultAudioIndex">1</property>
     <property name="meta.attr.com.apple.quicktime.make.markup">Apple</property>
     <property name="meta.attr.com.apple.quicktime.model.markup">MacBookPro18,2</property>
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-    <property name="meta.attr.com.apple.quicktime.creationdate.markup">2024-01-15T02:48:48+0100</property>
+    <property name="meta.attr.com.apple.quicktime.creationdate.markup">2024-01-22T04:04:02+0100</property>
+  </chain>
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+    <property name="eof">pause</property>
+    <property name="resource">/Volumes/LaCie/GNU Taler films/ONLINE/tutorial-videos/original_media/merchant/order1/Screen Recording 2024-01-22 at 04.02.43.mov</property>
+    <property name="mlt_service">avformat-novalidate</property>
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+    <property name="meta.media.0.stream.type">video</property>
+    <property name="meta.media.0.stream.frame_rate">37.6514</property>
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+    <property name="meta.media.0.codec.height">2160</property>
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+    <property name="meta.media.0.codec.pix_fmt">yuv420p</property>
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+    <property name="meta.media.0.codec.bit_rate">25741987</property>
+    <property name="meta.attr.0.stream.creation_time.markup">2024-01-22T03:04:03.000000Z</property>
+    <property name="meta.attr.0.stream.handler_name.markup">Core Media Video</property>
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+    <property name="meta.media.1.stream.type">audio</property>
+    <property name="meta.media.1.codec.sample_fmt">fltp</property>
+    <property name="meta.media.1.codec.sample_rate">44100</property>
+    <property name="meta.media.1.codec.channels">1</property>
+    <property name="meta.media.1.codec.name">aac</property>
+    <property name="meta.media.1.codec.long_name">AAC (Advanced Audio Coding)</property>
+    <property name="meta.media.1.codec.bit_rate">125731</property>
+    <property name="meta.attr.1.stream.creation_time.markup">2024-01-22T03:04:03.000000Z</property>
+    <property name="meta.attr.1.stream.handler_name.markup">Core Media Audio</property>
+    <property name="meta.attr.1.stream.vendor_id.markup">[0][0][0][0]</property>
+    <property name="meta.attr.major_brand.markup">qt  </property>
+    <property name="meta.attr.minor_version.markup">0</property>
+    <property name="meta.attr.compatible_brands.markup">qt  </property>
+    <property name="meta.attr.creation_time.markup">2024-01-22T03:04:03.000000Z</property>
+    <property name="meta.attr.encoder.markup">Lavf60.16.100</property>
+    <property name="seekable">1</property>
+    <property name="meta.media.sample_aspect_num">1</property>
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+    <property name="meta.media.frame_rate_den">1</property>
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+    <property name="meta.media.height">540</property>
+    <property name="meta.media.aspect_ratio">1</property>
+    <property name="meta.media.color_range">mpeg</property>
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+    <property name="shotcut:caption">Screen Recording 2024-01-22 at 04.02.43.mov</property>
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+    <property name="meta.attr.com.apple.quicktime.software.markup">macOS 14.2.1 (23C71)</property>
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-    <property name="meta.attr.0.stream.creation_time.markup">2024-01-15T02:24:11.000000Z</property>
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+    <property name="meta.attr.0.stream.creation_time.markup">2024-01-22T03:04:03.000000Z</property>
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+    <property name="meta.attr.compatible_brands.markup">qt  </property>
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+    <property name="meta.media.height">540</property>
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+    <property name="shotcut:caption">Screen Recording 2024-01-22 at 04.02.43.mov</property>
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-      <property name="max_gain">20dB</property>
-      <property name="level">4</property>
-      <property name="mlt_service">volume</property>
-    </filter>
+    <property name="meta.attr.com.apple.quicktime.make.markup">Apple</property>
+    <property name="meta.attr.com.apple.quicktime.model.markup">MacBookPro18,2</property>
+    <property name="meta.attr.com.apple.quicktime.software.markup">macOS 14.2.1 (23C71)</property>
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-    <property name="meta.attr.0.stream.creation_time.markup">2024-01-15T02:24:11.000000Z</property>
+    <property name="meta.media.0.codec.bit_rate">25741987</property>
+    <property name="meta.attr.0.stream.creation_time.markup">2024-01-22T03:04:03.000000Z</property>
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-    <property name="meta.attr.1.stream.creation_time.markup">2024-01-15T02:24:11.000000Z</property>
+    <property name="meta.media.1.codec.bit_rate">125731</property>
+    <property name="meta.attr.1.stream.creation_time.markup">2024-01-22T03:04:03.000000Z</property>
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     <property name="meta.attr.compatible_brands.markup">qt  </property>
-    <property name="meta.attr.creation_time.markup">2024-01-15T02:24:11.000000Z</property>
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-    <property name="meta.media.frame_rate_num">4728780</property>
-    <property name="meta.media.frame_rate_den">124589</property>
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-    <property name="meta.media.width">3456</property>
-    <property name="meta.media.height">2160</property>
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+    <property name="meta.media.width">864</property>
+    <property name="meta.media.height">540</property>
     <property name="meta.media.aspect_ratio">1</property>
     <property name="meta.media.color_range">mpeg</property>
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-    <property name="shotcut:caption">Screen Recording 2024-01-15 at 02.48.38.mov</property>
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+    <property name="shotcut:caption">Screen Recording 2024-01-22 at 04.02.43.mov</property>
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     <property name="meta.attr.com.apple.quicktime.make.markup">Apple</property>
     <property name="meta.attr.com.apple.quicktime.model.markup">MacBookPro18,2</property>
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-    <property name="meta.attr.com.apple.quicktime.creationdate.markup">2024-01-15T02:48:48+0100</property>
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+    <property name="meta.media.1.codec.channels">1</property>
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+    <property name="meta.attr.1.stream.handler_name.markup">Core Media Audio</property>
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+    <property name="meta.attr.major_brand.markup">qt  </property>
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+    <property name="meta.attr.compatible_brands.markup">qt  </property>
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-    <property name="meta.attr.0.stream.creation_time.markup">2024-01-15T02:24:11.000000Z</property>
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+    <property name="meta.attr.compatible_brands.markup">qt  </property>
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+    <property name="meta.media.height">540</property>
+    <property name="meta.media.aspect_ratio">1</property>
+    <property name="meta.media.color_range">mpeg</property>
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+    <property name="shotcut:caption">Screen Recording 2024-01-22 at 04.02.43.mov</property>
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-      <property name="max_gain">20dB</property>
-      <property name="level">4</property>
-      <property name="mlt_service">volume</property>
-    </filter>
+    <property name="meta.attr.com.apple.quicktime.make.markup">Apple</property>
+    <property name="meta.attr.com.apple.quicktime.model.markup">MacBookPro18,2</property>
+    <property name="meta.attr.com.apple.quicktime.software.markup">macOS 14.2.1 (23C71)</property>
+    <property name="meta.attr.com.apple.quicktime.creationdate.markup">2024-01-22T04:04:02+0100</property>
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-    <property name="meta.attr.0.stream.creation_time.markup">2024-01-15T02:24:11.000000Z</property>
+    <property name="meta.media.0.codec.bit_rate">25741987</property>
+    <property name="meta.attr.0.stream.creation_time.markup">2024-01-22T03:04:03.000000Z</property>
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-    <property name="meta.attr.1.stream.creation_time.markup">2024-01-15T02:24:11.000000Z</property>
+    <property name="meta.media.1.codec.bit_rate">125731</property>
+    <property name="meta.attr.1.stream.creation_time.markup">2024-01-22T03:04:03.000000Z</property>
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     <property name="meta.attr.compatible_brands.markup">qt  </property>
-    <property name="meta.attr.creation_time.markup">2024-01-15T02:24:11.000000Z</property>
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-    <property name="meta.media.frame_rate_num">4728780</property>
-    <property name="meta.media.frame_rate_den">124589</property>
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+    <property name="meta.media.frame_rate_den">1</property>
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-    <property name="meta.media.width">3456</property>
-    <property name="meta.media.height">2160</property>
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+    <property name="meta.media.width">864</property>
+    <property name="meta.media.height">540</property>
     <property name="meta.media.aspect_ratio">1</property>
     <property name="meta.media.color_range">mpeg</property>
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-    <property name="shotcut:caption">Screen Recording 2024-01-15 at 02.48.38.mov</property>
+    <property name="shotcut:hash">cc43bc6e55d30bec7a8aac8c39901bee</property>
+    <property name="shotcut:caption">Screen Recording 2024-01-22 at 04.02.43.mov</property>
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     <property name="meta.attr.com.apple.quicktime.make.markup">Apple</property>
     <property name="meta.attr.com.apple.quicktime.model.markup">MacBookPro18,2</property>
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-    <property name="meta.attr.com.apple.quicktime.creationdate.markup">2024-01-15T02:48:48+0100</property>
+    <property name="meta.attr.com.apple.quicktime.creationdate.markup">2024-01-22T04:04:02+0100</property>
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+    <property name="meta.media.1.codec.channels">1</property>
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+    <property name="meta.attr.1.stream.handler_name.markup">Core Media Audio</property>
+    <property name="meta.attr.1.stream.vendor_id.markup">[0][0][0][0]</property>
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+    <property name="meta.attr.compatible_brands.markup">qt  </property>
+    <property name="meta.attr.creation_time.markup">2024-01-22T03:04:03.000000Z</property>
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+    <property name="meta.media.frame_rate_den">1</property>
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+    <property name="meta.media.color_trc">1</property>
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+    <property name="meta.media.height">540</property>
+    <property name="meta.media.aspect_ratio">1</property>
+    <property name="meta.media.color_range">mpeg</property>
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+    <property name="shotcut:hash">cc43bc6e55d30bec7a8aac8c39901bee</property>
+    <property name="shotcut:caption">Screen Recording 2024-01-22 at 04.02.43.mov</property>
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-      <property name="level">4</property>
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+    <property name="meta.attr.com.apple.quicktime.make.markup">Apple</property>
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+    <property name="meta.attr.com.apple.quicktime.software.markup">macOS 14.2.1 (23C71)</property>
+    <property name="meta.attr.com.apple.quicktime.creationdate.markup">2024-01-22T04:04:02+0100</property>
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-    <property name="meta.attr.0.stream.creation_time.markup">2024-01-15T02:24:11.000000Z</property>
+    <property name="meta.media.0.codec.bit_rate">25741987</property>
+    <property name="meta.attr.0.stream.creation_time.markup">2024-01-22T03:04:03.000000Z</property>
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-    <property name="meta.attr.1.stream.creation_time.markup">2024-01-15T02:24:11.000000Z</property>
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+    <property name="meta.attr.1.stream.creation_time.markup">2024-01-22T03:04:03.000000Z</property>
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+    <property name="meta.media.width">864</property>
+    <property name="meta.media.height">540</property>
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-    <property name="meta.attr.0.stream.creation_time.markup">2024-01-15T02:24:11.000000Z</property>
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+    <property name="meta.attr.0.stream.creation_time.markup">2024-01-22T03:04:03.000000Z</property>
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-    <property name="meta.attr.1.stream.creation_time.markup">2024-01-15T02:24:11.000000Z</property>
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-    <property name="meta.attr.0.stream.creation_time.markup">2024-01-15T02:24:11.000000Z</property>
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-    <property name="meta.attr.0.stream.creation_time.markup">2024-01-15T02:24:11.000000Z</property>
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+    <property name="meta.attr.0.stream.creation_time.markup">2024-01-22T03:04:03.000000Z</property>
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-    <property name="meta.attr.1.stream.creation_time.markup">2024-01-15T02:24:11.000000Z</property>
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+    <property name="meta.attr.1.stream.creation_time.markup">2024-01-22T03:04:03.000000Z</property>
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-      <property name="level">4</property>
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-    <property name="meta.attr.0.stream.creation_time.markup">2024-01-15T02:24:11.000000Z</property>
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+    <property name="meta.attr.0.stream.creation_time.markup">2024-01-22T03:04:03.000000Z</property>
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-    <property name="meta.attr.1.stream.creation_time.markup">2024-01-15T02:24:11.000000Z</property>
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+    <property name="meta.attr.1.stream.creation_time.markup">2024-01-22T03:04:03.000000Z</property>
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+    <property name="meta.attr.compatible_brands.markup">qt  </property>
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+    <property name="meta.media.width">864</property>
+    <property name="meta.media.height">540</property>
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+    <property name="meta.media.color_range">mpeg</property>
+    <property name="astream">0</property>
+    <property name="shotcut:hash">cc43bc6e55d30bec7a8aac8c39901bee</property>
+    <property name="shotcut:caption">Screen Recording 2024-01-22 at 04.02.43.mov</property>
+    <property name="xml">was here</property>
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-      <property name="max_gain">20dB</property>
-      <property name="level">4</property>
-      <property name="mlt_service">volume</property>
-    </filter>
+    <property name="meta.attr.com.apple.quicktime.make.markup">Apple</property>
+    <property name="meta.attr.com.apple.quicktime.model.markup">MacBookPro18,2</property>
+    <property name="meta.attr.com.apple.quicktime.software.markup">macOS 14.2.1 (23C71)</property>
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+    <property name="resource">/Volumes/LaCie/GNU Taler films/ONLINE/tutorial-videos/original_media/merchant/order1/Screen Recording 2024-01-22 at 04.02.43.mov</property>
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-    <property name="meta.attr.0.stream.creation_time.markup">2024-01-15T02:24:11.000000Z</property>
+    <property name="meta.media.0.codec.bit_rate">25741987</property>
+    <property name="meta.attr.0.stream.creation_time.markup">2024-01-22T03:04:03.000000Z</property>
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-    <property name="meta.attr.1.stream.creation_time.markup">2024-01-15T02:24:11.000000Z</property>
+    <property name="meta.media.1.codec.bit_rate">125731</property>
+    <property name="meta.attr.1.stream.creation_time.markup">2024-01-22T03:04:03.000000Z</property>
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     <property name="meta.attr.compatible_brands.markup">qt  </property>
-    <property name="meta.attr.creation_time.markup">2024-01-15T02:24:11.000000Z</property>
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-    <property name="creation_time">2024-01-15T02:24:11</property>
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-    <property name="meta.media.height">2160</property>
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-    <property name="shotcut:caption">Screen Recording 2024-01-15 at 02.48.38.mov</property>
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     <property name="meta.media.top_field_first">0</property>
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     <property name="meta.attr.com.apple.quicktime.make.markup">Apple</property>
     <property name="meta.attr.com.apple.quicktime.model.markup">MacBookPro18,2</property>
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-    <property name="meta.attr.com.apple.quicktime.creationdate.markup">2024-01-15T02:48:48+0100</property>
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+    <property name="meta.attr.compatible_brands.markup">qt  </property>
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-    <property name="meta.attr.0.stream.creation_time.markup">2024-01-15T04:40:01.000000Z</property>
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+    <property name="meta.attr.0.stream.creation_time.markup">2024-01-22T03:04:03.000000Z</property>
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-    <property name="meta.attr.1.stream.creation_time.markup">2024-01-15T04:40:01.000000Z</property>
+    <property name="meta.media.1.codec.name">aac</property>
+    <property name="meta.media.1.codec.long_name">AAC (Advanced Audio Coding)</property>
+    <property name="meta.media.1.codec.bit_rate">125731</property>
+    <property name="meta.attr.1.stream.creation_time.markup">2024-01-22T03:04:03.000000Z</property>
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-    <property name="meta.attr.creation_time.markup">2024-01-15T04:40:01.000000Z</property>
+    <property name="meta.attr.major_brand.markup">qt  </property>
+    <property name="meta.attr.minor_version.markup">0</property>
+    <property name="meta.attr.compatible_brands.markup">qt  </property>
+    <property name="meta.attr.creation_time.markup">2024-01-22T03:04:03.000000Z</property>
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+    <property name="meta.attr.com.apple.quicktime.model.markup">MacBookPro18,2</property>
+    <property name="meta.attr.com.apple.quicktime.software.markup">macOS 14.2.1 (23C71)</property>
+    <property name="meta.attr.com.apple.quicktime.creationdate.markup">2024-01-22T04:04:02+0100</property>
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-    <property name="meta.attr.0.stream.creation_time.markup">2024-01-15T04:40:01.000000Z</property>
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+    <property name="meta.media.0.codec.long_name">H.264 / AVC / MPEG-4 AVC / MPEG-4 part 10</property>
+    <property name="meta.media.0.codec.bit_rate">25741987</property>
+    <property name="meta.attr.0.stream.creation_time.markup">2024-01-22T03:04:03.000000Z</property>
     <property name="meta.attr.0.stream.handler_name.markup">Core Media Video</property>
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-    <property name="meta.attr.0.stream.encoder.markup">Lavc60.31.102 hevc_videotoolbox</property>
+    <property name="meta.attr.0.stream.encoder.markup">H.264</property>
     <property name="meta.media.1.stream.type">audio</property>
     <property name="meta.media.1.codec.sample_fmt">fltp</property>
     <property name="meta.media.1.codec.sample_rate">44100</property>
     <property name="meta.media.1.codec.channels">1</property>
-    <property name="meta.media.1.codec.name">ac3</property>
-    <property name="meta.media.1.codec.long_name">ATSC A/52A (AC-3)</property>
-    <property name="meta.media.1.codec.bit_rate">256000</property>
-    <property name="meta.attr.1.stream.creation_time.markup">2024-01-15T04:40:01.000000Z</property>
+    <property name="meta.media.1.codec.name">aac</property>
+    <property name="meta.media.1.codec.long_name">AAC (Advanced Audio Coding)</property>
+    <property name="meta.media.1.codec.bit_rate">125731</property>
+    <property name="meta.attr.1.stream.creation_time.markup">2024-01-22T03:04:03.000000Z</property>
     <property name="meta.attr.1.stream.handler_name.markup">Core Media Audio</property>
     <property name="meta.attr.1.stream.vendor_id.markup">[0][0][0][0]</property>
-    <property name="meta.attr.major_brand.markup">isom</property>
-    <property name="meta.attr.minor_version.markup">512</property>
-    <property name="meta.attr.compatible_brands.markup">isomdby1iso2mp41</property>
-    <property name="meta.attr.creation_time.markup">2024-01-15T04:40:01.000000Z</property>
+    <property name="meta.attr.major_brand.markup">qt  </property>
+    <property name="meta.attr.minor_version.markup">0</property>
+    <property name="meta.attr.compatible_brands.markup">qt  </property>
+    <property name="meta.attr.creation_time.markup">2024-01-22T03:04:03.000000Z</property>
     <property name="meta.attr.encoder.markup">Lavf60.16.100</property>
     <property name="seekable">1</property>
     <property name="meta.media.sample_aspect_num">1</property>
     <property name="meta.media.sample_aspect_den">1</property>
     <property name="audio_index">1</property>
     <property name="video_index">-1</property>
-    <property name="creation_time">2024-01-15T04:40:01</property>
+    <property name="creation_time">2024-01-22T03:04:03</property>
     <property name="vstream">-1</property>
     <property name="meta.media.frame_rate_num">60</property>
     <property name="meta.media.frame_rate_den">1</property>
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     <property name="meta.media.aspect_ratio">1</property>
     <property name="meta.media.color_range">mpeg</property>
     <property name="astream">0</property>
-    <property name="shotcut:hash">21a7178f28a43c69f26da9eba7a4fe79</property>
-    <property name="shotcut:caption">Screen Recording 2024-01-15 at 05.37.24.mov</property>
+    <property name="shotcut:hash">cc43bc6e55d30bec7a8aac8c39901bee</property>
+    <property name="shotcut:caption">Screen Recording 2024-01-22 at 04.02.43.mov</property>
     <property name="xml">was here</property>
     <property name="meta.media.top_field_first">0</property>
     <property name="meta.media.progressive">1</property>
-    <property name="meta.shotcut.vui">1</property>
     <property name="shotcut:defaultAudioIndex">1</property>
-    <filter id="filter42" in="00:00:23.120" out="00:00:38.640">
-      <property name="window">75</property>
-      <property name="max_gain">20dB</property>
-      <property name="level">4</property>
-      <property name="mlt_service">volume</property>
-    </filter>
+    <property name="meta.attr.com.apple.quicktime.make.markup">Apple</property>
+    <property name="meta.attr.com.apple.quicktime.model.markup">MacBookPro18,2</property>
+    <property name="meta.attr.com.apple.quicktime.software.markup">macOS 14.2.1 (23C71)</property>
+    <property name="meta.attr.com.apple.quicktime.creationdate.markup">2024-01-22T04:04:02+0100</property>
   </chain>
-  <chain id="chain45" out="00:02:20.040">
-    <property name="length">00:02:20.080</property>
+  <chain id="chain94" out="00:33:28.720">
+    <property name="length">00:33:28.760</property>
     <property name="eof">pause</property>
-    <property name="resource">/Volumes/LaCie/GNU Taler films/ONLINE/tutorial-videos/original_media/merchant/order1/Screen Recording 2024-01-15 at 05.37.24.mov</property>
+    <property name="resource">/Volumes/LaCie/GNU Taler films/ONLINE/tutorial-videos/original_media/merchant/order1/Screen Recording 2024-01-22 at 04.02.43.mov</property>
     <property name="mlt_service">avformat-novalidate</property>
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     <property name="meta.media.0.stream.type">video</property>
-    <property name="meta.media.0.stream.frame_rate">60</property>
+    <property name="meta.media.0.stream.frame_rate">37.6514</property>
     <property name="meta.media.0.stream.sample_aspect_ratio">0</property>
-    <property name="meta.media.0.codec.width">864</property>
-    <property name="meta.media.0.codec.height">540</property>
+    <property name="meta.media.0.codec.width">3456</property>
+    <property name="meta.media.0.codec.height">2160</property>
     <property name="meta.media.0.codec.rotate">0</property>
     <property name="meta.media.0.codec.pix_fmt">yuv420p</property>
     <property name="meta.media.0.codec.sample_aspect_ratio">0</property>
     <property name="meta.media.0.codec.colorspace">709</property>
     <property name="meta.media.0.codec.color_trc">1</property>
-    <property name="meta.media.0.codec.name">hevc</property>
-    <property name="meta.media.0.codec.long_name">HEVC (High Efficiency Video Coding)</property>
-    <property name="meta.media.0.codec.bit_rate">12675720</property>
-    <property name="meta.attr.0.stream.creation_time.markup">2024-01-15T04:40:01.000000Z</property>
+    <property name="meta.media.0.codec.name">h264</property>
+    <property name="meta.media.0.codec.long_name">H.264 / AVC / MPEG-4 AVC / MPEG-4 part 10</property>
+    <property name="meta.media.0.codec.bit_rate">25741987</property>
+    <property name="meta.attr.0.stream.creation_time.markup">2024-01-22T03:04:03.000000Z</property>
     <property name="meta.attr.0.stream.handler_name.markup">Core Media Video</property>
     <property name="meta.attr.0.stream.vendor_id.markup">[0][0][0][0]</property>
-    <property name="meta.attr.0.stream.encoder.markup">Lavc60.31.102 hevc_videotoolbox</property>
+    <property name="meta.attr.0.stream.encoder.markup">H.264</property>
     <property name="meta.media.1.stream.type">audio</property>
     <property name="meta.media.1.codec.sample_fmt">fltp</property>
     <property name="meta.media.1.codec.sample_rate">44100</property>
     <property name="meta.media.1.codec.channels">1</property>
-    <property name="meta.media.1.codec.name">ac3</property>
-    <property name="meta.media.1.codec.long_name">ATSC A/52A (AC-3)</property>
-    <property name="meta.media.1.codec.bit_rate">256000</property>
-    <property name="meta.attr.1.stream.creation_time.markup">2024-01-15T04:40:01.000000Z</property>
+    <property name="meta.media.1.codec.name">aac</property>
+    <property name="meta.media.1.codec.long_name">AAC (Advanced Audio Coding)</property>
+    <property name="meta.media.1.codec.bit_rate">125731</property>
+    <property name="meta.attr.1.stream.creation_time.markup">2024-01-22T03:04:03.000000Z</property>
     <property name="meta.attr.1.stream.handler_name.markup">Core Media Audio</property>
     <property name="meta.attr.1.stream.vendor_id.markup">[0][0][0][0]</property>
-    <property name="meta.attr.major_brand.markup">isom</property>
-    <property name="meta.attr.minor_version.markup">512</property>
-    <property name="meta.attr.compatible_brands.markup">isomdby1iso2mp41</property>
-    <property name="meta.attr.creation_time.markup">2024-01-15T04:40:01.000000Z</property>
+    <property name="meta.attr.major_brand.markup">qt  </property>
+    <property name="meta.attr.minor_version.markup">0</property>
+    <property name="meta.attr.compatible_brands.markup">qt  </property>
+    <property name="meta.attr.creation_time.markup">2024-01-22T03:04:03.000000Z</property>
     <property name="meta.attr.encoder.markup">Lavf60.16.100</property>
     <property name="seekable">1</property>
     <property name="meta.media.sample_aspect_num">1</property>
     <property name="meta.media.sample_aspect_den">1</property>
     <property name="audio_index">1</property>
     <property name="video_index">-1</property>
-    <property name="creation_time">2024-01-15T04:40:01</property>
+    <property name="creation_time">2024-01-22T03:04:03</property>
     <property name="vstream">-1</property>
     <property name="meta.media.frame_rate_num">60</property>
     <property name="meta.media.frame_rate_den">1</property>
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     <property name="meta.media.aspect_ratio">1</property>
     <property name="meta.media.color_range">mpeg</property>
     <property name="astream">0</property>
-    <property name="shotcut:hash">21a7178f28a43c69f26da9eba7a4fe79</property>
-    <property name="shotcut:caption">Screen Recording 2024-01-15 at 05.37.24.mov</property>
+    <property name="shotcut:hash">cc43bc6e55d30bec7a8aac8c39901bee</property>
+    <property name="shotcut:caption">Screen Recording 2024-01-22 at 04.02.43.mov</property>
     <property name="xml">was here</property>
     <property name="meta.media.top_field_first">0</property>
     <property name="meta.media.progressive">1</property>
-    <property name="meta.shotcut.vui">1</property>
     <property name="shotcut:defaultAudioIndex">1</property>
-    <filter id="filter43" in="00:00:45.880" out="00:00:52.920">
-      <property name="window">75</property>
-      <property name="max_gain">20dB</property>
-      <property name="level">4</property>
-      <property name="mlt_service">volume</property>
-    </filter>
+    <property name="meta.attr.com.apple.quicktime.make.markup">Apple</property>
+    <property name="meta.attr.com.apple.quicktime.model.markup">MacBookPro18,2</property>
+    <property name="meta.attr.com.apple.quicktime.software.markup">macOS 14.2.1 (23C71)</property>
+    <property name="meta.attr.com.apple.quicktime.creationdate.markup">2024-01-22T04:04:02+0100</property>
   </chain>
-  <chain id="chain46" out="00:02:20.040">
-    <property name="length">00:02:20.080</property>
+  <chain id="chain95" out="00:33:28.720">
+    <property name="length">00:33:28.760</property>
     <property name="eof">pause</property>
-    <property name="resource">/Volumes/LaCie/GNU Taler films/ONLINE/tutorial-videos/original_media/merchant/order1/Screen Recording 2024-01-15 at 05.37.24.mov</property>
+    <property name="resource">/Volumes/LaCie/GNU Taler films/ONLINE/tutorial-videos/original_media/merchant/order1/Screen Recording 2024-01-22 at 04.02.43.mov</property>
     <property name="mlt_service">avformat-novalidate</property>
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     <property name="meta.media.0.stream.type">video</property>
-    <property name="meta.media.0.stream.frame_rate">60</property>
+    <property name="meta.media.0.stream.frame_rate">37.6514</property>
     <property name="meta.media.0.stream.sample_aspect_ratio">0</property>
-    <property name="meta.media.0.codec.width">864</property>
-    <property name="meta.media.0.codec.height">540</property>
+    <property name="meta.media.0.codec.width">3456</property>
+    <property name="meta.media.0.codec.height">2160</property>
     <property name="meta.media.0.codec.rotate">0</property>
     <property name="meta.media.0.codec.pix_fmt">yuv420p</property>
     <property name="meta.media.0.codec.sample_aspect_ratio">0</property>
     <property name="meta.media.0.codec.colorspace">709</property>
     <property name="meta.media.0.codec.color_trc">1</property>
-    <property name="meta.media.0.codec.name">hevc</property>
-    <property name="meta.media.0.codec.long_name">HEVC (High Efficiency Video Coding)</property>
-    <property name="meta.media.0.codec.bit_rate">12675720</property>
-    <property name="meta.attr.0.stream.creation_time.markup">2024-01-15T04:40:01.000000Z</property>
+    <property name="meta.media.0.codec.name">h264</property>
+    <property name="meta.media.0.codec.long_name">H.264 / AVC / MPEG-4 AVC / MPEG-4 part 10</property>
+    <property name="meta.media.0.codec.bit_rate">25741987</property>
+    <property name="meta.attr.0.stream.creation_time.markup">2024-01-22T03:04:03.000000Z</property>
     <property name="meta.attr.0.stream.handler_name.markup">Core Media Video</property>
     <property name="meta.attr.0.stream.vendor_id.markup">[0][0][0][0]</property>
-    <property name="meta.attr.0.stream.encoder.markup">Lavc60.31.102 hevc_videotoolbox</property>
+    <property name="meta.attr.0.stream.encoder.markup">H.264</property>
     <property name="meta.media.1.stream.type">audio</property>
     <property name="meta.media.1.codec.sample_fmt">fltp</property>
     <property name="meta.media.1.codec.sample_rate">44100</property>
     <property name="meta.media.1.codec.channels">1</property>
-    <property name="meta.media.1.codec.name">ac3</property>
-    <property name="meta.media.1.codec.long_name">ATSC A/52A (AC-3)</property>
-    <property name="meta.media.1.codec.bit_rate">256000</property>
-    <property name="meta.attr.1.stream.creation_time.markup">2024-01-15T04:40:01.000000Z</property>
+    <property name="meta.media.1.codec.name">aac</property>
+    <property name="meta.media.1.codec.long_name">AAC (Advanced Audio Coding)</property>
+    <property name="meta.media.1.codec.bit_rate">125731</property>
+    <property name="meta.attr.1.stream.creation_time.markup">2024-01-22T03:04:03.000000Z</property>
     <property name="meta.attr.1.stream.handler_name.markup">Core Media Audio</property>
     <property name="meta.attr.1.stream.vendor_id.markup">[0][0][0][0]</property>
-    <property name="meta.attr.major_brand.markup">isom</property>
-    <property name="meta.attr.minor_version.markup">512</property>
-    <property name="meta.attr.compatible_brands.markup">isomdby1iso2mp41</property>
-    <property name="meta.attr.creation_time.markup">2024-01-15T04:40:01.000000Z</property>
+    <property name="meta.attr.major_brand.markup">qt  </property>
+    <property name="meta.attr.minor_version.markup">0</property>
+    <property name="meta.attr.compatible_brands.markup">qt  </property>
+    <property name="meta.attr.creation_time.markup">2024-01-22T03:04:03.000000Z</property>
     <property name="meta.attr.encoder.markup">Lavf60.16.100</property>
     <property name="seekable">1</property>
     <property name="meta.media.sample_aspect_num">1</property>
     <property name="meta.media.sample_aspect_den">1</property>
     <property name="audio_index">1</property>
     <property name="video_index">-1</property>
-    <property name="creation_time">2024-01-15T04:40:01</property>
+    <property name="creation_time">2024-01-22T03:04:03</property>
     <property name="vstream">-1</property>
     <property name="meta.media.frame_rate_num">60</property>
     <property name="meta.media.frame_rate_den">1</property>
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     <property name="meta.media.aspect_ratio">1</property>
     <property name="meta.media.color_range">mpeg</property>
     <property name="astream">0</property>
-    <property name="shotcut:hash">21a7178f28a43c69f26da9eba7a4fe79</property>
-    <property name="shotcut:caption">Screen Recording 2024-01-15 at 05.37.24.mov</property>
+    <property name="shotcut:hash">cc43bc6e55d30bec7a8aac8c39901bee</property>
+    <property name="shotcut:caption">Screen Recording 2024-01-22 at 04.02.43.mov</property>
     <property name="xml">was here</property>
     <property name="meta.media.top_field_first">0</property>
     <property name="meta.media.progressive">1</property>
-    <property name="meta.shotcut.vui">1</property>
     <property name="shotcut:defaultAudioIndex">1</property>
-    <filter id="filter44" in="00:02:03.320" out="00:02:13.400">
-      <property name="window">75</property>
-      <property name="max_gain">20dB</property>
-      <property name="level">4</property>
-      <property name="mlt_service">volume</property>
-    </filter>
+    <property name="meta.attr.com.apple.quicktime.make.markup">Apple</property>
+    <property name="meta.attr.com.apple.quicktime.model.markup">MacBookPro18,2</property>
+    <property name="meta.attr.com.apple.quicktime.software.markup">macOS 14.2.1 (23C71)</property>
+    <property name="meta.attr.com.apple.quicktime.creationdate.markup">2024-01-22T04:04:02+0100</property>
   </chain>
-  <chain id="chain47" out="00:02:20.040">
-    <property name="length">00:02:20.080</property>
+  <chain id="chain96" out="00:33:28.720">
+    <property name="length">00:33:28.760</property>
     <property name="eof">pause</property>
-    <property name="resource">/Volumes/LaCie/GNU Taler films/ONLINE/tutorial-videos/original_media/merchant/order1/Screen Recording 2024-01-15 at 05.37.24.mov</property>
+    <property name="resource">/Volumes/LaCie/GNU Taler films/ONLINE/tutorial-videos/original_media/merchant/order1/Screen Recording 2024-01-22 at 04.02.43.mov</property>
     <property name="mlt_service">avformat-novalidate</property>
     <property name="meta.media.nb_streams">2</property>
     <property name="meta.media.0.stream.type">video</property>
-    <property name="meta.media.0.stream.frame_rate">60</property>
+    <property name="meta.media.0.stream.frame_rate">37.6514</property>
     <property name="meta.media.0.stream.sample_aspect_ratio">0</property>
-    <property name="meta.media.0.codec.width">864</property>
-    <property name="meta.media.0.codec.height">540</property>
+    <property name="meta.media.0.codec.width">3456</property>
+    <property name="meta.media.0.codec.height">2160</property>
     <property name="meta.media.0.codec.rotate">0</property>
     <property name="meta.media.0.codec.pix_fmt">yuv420p</property>
     <property name="meta.media.0.codec.sample_aspect_ratio">0</property>
     <property name="meta.media.0.codec.colorspace">709</property>
     <property name="meta.media.0.codec.color_trc">1</property>
-    <property name="meta.media.0.codec.name">hevc</property>
-    <property name="meta.media.0.codec.long_name">HEVC (High Efficiency Video Coding)</property>
-    <property name="meta.media.0.codec.bit_rate">12675720</property>
-    <property name="meta.attr.0.stream.creation_time.markup">2024-01-15T04:40:01.000000Z</property>
+    <property name="meta.media.0.codec.name">h264</property>
+    <property name="meta.media.0.codec.long_name">H.264 / AVC / MPEG-4 AVC / MPEG-4 part 10</property>
+    <property name="meta.media.0.codec.bit_rate">25741987</property>
+    <property name="meta.attr.0.stream.creation_time.markup">2024-01-22T03:04:03.000000Z</property>
     <property name="meta.attr.0.stream.handler_name.markup">Core Media Video</property>
     <property name="meta.attr.0.stream.vendor_id.markup">[0][0][0][0]</property>
-    <property name="meta.attr.0.stream.encoder.markup">Lavc60.31.102 hevc_videotoolbox</property>
+    <property name="meta.attr.0.stream.encoder.markup">H.264</property>
     <property name="meta.media.1.stream.type">audio</property>
     <property name="meta.media.1.codec.sample_fmt">fltp</property>
     <property name="meta.media.1.codec.sample_rate">44100</property>
     <property name="meta.media.1.codec.channels">1</property>
-    <property name="meta.media.1.codec.name">ac3</property>
-    <property name="meta.media.1.codec.long_name">ATSC A/52A (AC-3)</property>
-    <property name="meta.media.1.codec.bit_rate">256000</property>
-    <property name="meta.attr.1.stream.creation_time.markup">2024-01-15T04:40:01.000000Z</property>
+    <property name="meta.media.1.codec.name">aac</property>
+    <property name="meta.media.1.codec.long_name">AAC (Advanced Audio Coding)</property>
+    <property name="meta.media.1.codec.bit_rate">125731</property>
+    <property name="meta.attr.1.stream.creation_time.markup">2024-01-22T03:04:03.000000Z</property>
     <property name="meta.attr.1.stream.handler_name.markup">Core Media Audio</property>
     <property name="meta.attr.1.stream.vendor_id.markup">[0][0][0][0]</property>
-    <property name="meta.attr.major_brand.markup">isom</property>
-    <property name="meta.attr.minor_version.markup">512</property>
-    <property name="meta.attr.compatible_brands.markup">isomdby1iso2mp41</property>
-    <property name="meta.attr.creation_time.markup">2024-01-15T04:40:01.000000Z</property>
+    <property name="meta.attr.major_brand.markup">qt  </property>
+    <property name="meta.attr.minor_version.markup">0</property>
+    <property name="meta.attr.compatible_brands.markup">qt  </property>
+    <property name="meta.attr.creation_time.markup">2024-01-22T03:04:03.000000Z</property>
     <property name="meta.attr.encoder.markup">Lavf60.16.100</property>
     <property name="seekable">1</property>
     <property name="meta.media.sample_aspect_num">1</property>
     <property name="meta.media.sample_aspect_den">1</property>
     <property name="audio_index">1</property>
     <property name="video_index">-1</property>
-    <property name="creation_time">2024-01-15T04:40:01</property>
+    <property name="creation_time">2024-01-22T03:04:03</property>
     <property name="vstream">-1</property>
     <property name="meta.media.frame_rate_num">60</property>
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-      <property name="level">4</property>
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+    <property name="meta.attr.com.apple.quicktime.software.markup">macOS 14.2.1 (23C71)</property>
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-    <property name="meta.attr.1.stream.creation_time.markup">2024-01-15T04:40:01.000000Z</property>
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+    <property name="meta.media.1.codec.long_name">AAC (Advanced Audio Coding)</property>
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-    <property name="meta.attr.creation_time.markup">2024-01-15T04:40:01.000000Z</property>
+    <property name="meta.attr.major_brand.markup">qt  </property>
+    <property name="meta.attr.minor_version.markup">0</property>
+    <property name="meta.attr.compatible_brands.markup">qt  </property>
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+    <property name="resource">/Volumes/LaCie/GNU Taler films/ONLINE/tutorial-videos/original_media/merchant/order1/Screen Recording 2024-01-22 at 04.02.43.mov</property>
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+    <property name="meta.media.0.codec.long_name">HEVC (High Efficiency Video Coding)</property>
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+    <property name="meta.attr.0.stream.handler_name.markup">Core Media Video</property>
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+    <property name="meta.media.has_b_frames">0</property>
+    <property name="meta.media.width">864</property>
+    <property name="meta.media.height">540</property>
+    <property name="meta.media.aspect_ratio">1</property>
+    <property name="meta.media.color_range">mpeg</property>
+    <property name="astream">-1</property>
+    <property name="shotcut:hash">cc43bc6e55d30bec7a8aac8c39901bee</property>
+    <property name="shotcut:caption">Screen Recording 2024-01-22 at 04.02.43.mov</property>
+    <property name="xml">was here</property>
+    <property name="meta.media.top_field_first">0</property>
+    <property name="meta.media.progressive">1</property>
+    <property name="shotcut:defaultAudioIndex">1</property>
+    <property name="meta.shotcut.vui">1</property>
+    <filter id="filter12" in="00:05:37.320" out="00:05:40.520">
+      <property name="background">color:#00000000</property>
+      <property name="mlt_service">affine</property>
+      <property name="shotcut:filter">affineSizePosition</property>
+      <property name="transition.fill">1</property>
+      <property name="transition.distort">0</property>
+      <property name="transition.rect">-1000 -118 3622.4 2264 1</property>
+      <property name="transition.valign">middle</property>
+      <property name="transition.halign">center</property>
+      <property name="shotcut:animIn">00:00:00.000</property>
+      <property name="shotcut:animOut">00:00:00.000</property>
+      <property name="transition.threads">0</property>
+      <property name="transition.fix_rotate_x">0</property>
+    </filter>
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+    <property name="length">00:33:28.760</property>
+    <property name="eof">pause</property>
+    <property name="resource">/Volumes/LaCie/GNU Taler films/ONLINE/tutorial-videos/original_media/merchant/order1/Screen Recording 2024-01-22 at 04.02.43.mov</property>
+    <property name="mlt_service">avformat-novalidate</property>
+    <property name="meta.media.nb_streams">2</property>
+    <property name="meta.media.0.stream.type">video</property>
+    <property name="meta.media.0.stream.frame_rate">37.6514</property>
     <property name="meta.media.0.stream.sample_aspect_ratio">0</property>
     <property name="meta.media.0.codec.width">3456</property>
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-    <property name="meta.media.0.codec.bit_rate">24972958</property>
-    <property name="meta.attr.0.stream.creation_time.markup">2024-01-15T02:24:11.000000Z</property>
+    <property name="meta.media.0.codec.bit_rate">25741987</property>
+    <property name="meta.attr.0.stream.creation_time.markup">2024-01-22T03:04:03.000000Z</property>
     <property name="meta.attr.0.stream.handler_name.markup">Core Media Video</property>
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     <property name="meta.media.1.codec.name">aac</property>
     <property name="meta.media.1.codec.long_name">AAC (Advanced Audio Coding)</property>
-    <property name="meta.media.1.codec.bit_rate">125820</property>
-    <property name="meta.attr.1.stream.creation_time.markup">2024-01-15T02:24:11.000000Z</property>
+    <property name="meta.media.1.codec.bit_rate">125731</property>
+    <property name="meta.attr.1.stream.creation_time.markup">2024-01-22T03:04:03.000000Z</property>
     <property name="meta.attr.1.stream.handler_name.markup">Core Media Audio</property>
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     <property name="meta.attr.minor_version.markup">0</property>
     <property name="meta.attr.compatible_brands.markup">qt  </property>
-    <property name="meta.attr.creation_time.markup">2024-01-15T02:24:11.000000Z</property>
+    <property name="meta.attr.creation_time.markup">2024-01-22T03:04:03.000000Z</property>
     <property name="meta.attr.encoder.markup">Lavf60.16.100</property>
     <property name="seekable">1</property>
     <property name="meta.media.sample_aspect_num">1</property>
     <property name="meta.media.sample_aspect_den">1</property>
     <property name="audio_index">-1</property>
     <property name="video_index">0</property>
-    <property name="creation_time">2024-01-15T02:24:11</property>
+    <property name="creation_time">2024-01-22T03:04:03</property>
     <property name="vstream">0</property>
-    <property name="meta.media.frame_rate_num">4728780</property>
-    <property name="meta.media.frame_rate_den">124589</property>
+    <property name="meta.media.frame_rate_num">100868</property>
+    <property name="meta.media.frame_rate_den">2679</property>
     <property name="meta.media.colorspace">709</property>
     <property name="meta.media.color_trc">1</property>
     <property name="meta.media.has_b_frames">1</property>
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     <property name="meta.media.aspect_ratio">1</property>
     <property name="meta.media.color_range">mpeg</property>
     <property name="astream">-1</property>
-    <property name="shotcut:hash">460b48940530c197dc6e411af3f9c8e1</property>
-    <property name="shotcut:caption">Screen Recording 2024-01-15 at 02.48.38.mov</property>
+    <property name="shotcut:hash">cc43bc6e55d30bec7a8aac8c39901bee</property>
+    <property name="shotcut:caption">Screen Recording 2024-01-22 at 04.02.43.mov</property>
     <property name="xml">was here</property>
     <property name="meta.media.top_field_first">0</property>
     <property name="meta.media.progressive">1</property>
+    <property name="shotcut:defaultAudioIndex">1</property>
     <property name="meta.shotcut.vui">1</property>
     <property name="meta.attr.com.apple.quicktime.make.markup">Apple</property>
     <property name="meta.attr.com.apple.quicktime.model.markup">MacBookPro18,2</property>
     <property name="meta.attr.com.apple.quicktime.software.markup">macOS 14.2.1 (23C71)</property>
-    <property name="meta.attr.com.apple.quicktime.creationdate.markup">2024-01-15T02:48:48+0100</property>
+    <property name="meta.attr.com.apple.quicktime.creationdate.markup">2024-01-22T04:04:02+0100</property>
+    <filter id="filter13" in="00:05:43.960" out="00:05:57.800">
+      <property name="background">color:#00000000</property>
+      <property name="mlt_service">affine</property>
+      <property name="shotcut:filter">affineSizePosition</property>
+      <property name="transition.fill">1</property>
+      <property name="transition.distort">0</property>
+      <property name="transition.rect">-1000 -118 3622.4 2264 1</property>
+      <property name="transition.valign">middle</property>
+      <property name="transition.halign">center</property>
+      <property name="shotcut:animIn">00:00:00.000</property>
+      <property name="shotcut:animOut">00:00:00.000</property>
+      <property name="transition.threads">0</property>
+      <property name="transition.fix_rotate_x">0</property>
+    </filter>
+  </chain>
+  <chain id="chain112" out="00:33:28.720">
+    <property name="length">00:33:28.760</property>
+    <property name="eof">pause</property>
+    <property name="resource">/Volumes/LaCie/GNU Taler films/ONLINE/tutorial-videos/original_media/merchant/order1/Screen Recording 2024-01-22 at 04.02.43.mov</property>
+    <property name="mlt_service">avformat-novalidate</property>
+    <property name="meta.media.nb_streams">2</property>
+    <property name="meta.media.0.stream.type">video</property>
+    <property name="meta.media.0.stream.frame_rate">60</property>
+    <property name="meta.media.0.stream.sample_aspect_ratio">0</property>
+    <property name="meta.media.0.codec.width">864</property>
+    <property name="meta.media.0.codec.height">540</property>
+    <property name="meta.media.0.codec.rotate">0</property>
+    <property name="meta.media.0.codec.pix_fmt">yuv420p</property>
+    <property name="meta.media.0.codec.sample_aspect_ratio">0</property>
+    <property name="meta.media.0.codec.colorspace">709</property>
+    <property name="meta.media.0.codec.color_trc">1</property>
+    <property name="meta.media.0.codec.name">hevc</property>
+    <property name="meta.media.0.codec.long_name">HEVC (High Efficiency Video Coding)</property>
+    <property name="meta.media.0.codec.bit_rate">10679429</property>
+    <property name="meta.attr.0.stream.creation_time.markup">2024-01-22T03:04:03.000000Z</property>
+    <property name="meta.attr.0.stream.handler_name.markup">Core Media Video</property>
+    <property name="meta.attr.0.stream.vendor_id.markup">[0][0][0][0]</property>
+    <property name="meta.attr.0.stream.encoder.markup">Lavc60.31.102 hevc_videotoolbox</property>
+    <property name="meta.media.1.stream.type">audio</property>
+    <property name="meta.media.1.codec.sample_fmt">fltp</property>
+    <property name="meta.media.1.codec.sample_rate">44100</property>
+    <property name="meta.media.1.codec.channels">1</property>
+    <property name="meta.media.1.codec.name">ac3</property>
+    <property name="meta.media.1.codec.long_name">ATSC A/52A (AC-3)</property>
+    <property name="meta.media.1.codec.bit_rate">256000</property>
+    <property name="meta.attr.1.stream.creation_time.markup">2024-01-22T03:04:03.000000Z</property>
+    <property name="meta.attr.1.stream.handler_name.markup">Core Media Audio</property>
+    <property name="meta.attr.1.stream.vendor_id.markup">[0][0][0][0]</property>
+    <property name="meta.attr.major_brand.markup">isom</property>
+    <property name="meta.attr.minor_version.markup">512</property>
+    <property name="meta.attr.compatible_brands.markup">isomdby1iso2mp41</property>
+    <property name="meta.attr.creation_time.markup">2024-01-22T03:04:03.000000Z</property>
+    <property name="meta.attr.encoder.markup">Lavf60.16.100</property>
+    <property name="seekable">1</property>
+    <property name="meta.media.sample_aspect_num">1</property>
+    <property name="meta.media.sample_aspect_den">1</property>
+    <property name="audio_index">-1</property>
+    <property name="video_index">0</property>
+    <property name="creation_time">2024-01-22T03:04:03</property>
+    <property name="vstream">0</property>
+    <property name="meta.media.frame_rate_num">60</property>
+    <property name="meta.media.frame_rate_den">1</property>
+    <property name="meta.media.colorspace">709</property>
+    <property name="meta.media.color_trc">1</property>
+    <property name="meta.media.has_b_frames">0</property>
+    <property name="meta.media.width">864</property>
+    <property name="meta.media.height">540</property>
+    <property name="meta.media.aspect_ratio">1</property>
+    <property name="meta.media.color_range">mpeg</property>
+    <property name="astream">-1</property>
+    <property name="shotcut:hash">cc43bc6e55d30bec7a8aac8c39901bee</property>
+    <property name="shotcut:caption">Screen Recording 2024-01-22 at 04.02.43.mov</property>
+    <property name="xml">was here</property>
+    <property name="meta.media.top_field_first">0</property>
+    <property name="meta.media.progressive">1</property>
     <property name="shotcut:defaultAudioIndex">1</property>
-    <filter id="filter48" in="00:01:58.200" out="00:02:14.240">
+    <property name="meta.shotcut.vui">1</property>
+    <filter id="filter14" in="00:05:59.920" out="00:06:17.720">
       <property name="background">color:#00000000</property>
       <property name="mlt_service">affine</property>
       <property name="shotcut:filter">affineSizePosition</property>
       <property name="transition.fill">1</property>
       <property name="transition.distort">0</property>
-      <property name="transition.rect">-1020 -125 3928.86 2455.54 1</property>
+      <property name="transition.rect">-1000 -118 3622.4 2264 1</property>
       <property name="transition.valign">middle</property>
       <property name="transition.halign">center</property>
       <property name="shotcut:animIn">00:00:00.000</property>
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     </filter>
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-  <chain id="chain50" out="00:34:36.440">
-    <property name="length">00:34:36.480</property>
+  <chain id="chain113" out="00:33:28.720">
+    <property name="length">00:33:28.760</property>
     <property name="eof">pause</property>
-    <property name="resource">/Volumes/LaCie/GNU Taler films/ONLINE/tutorial-videos/original_media/merchant/order1/Screen Recording 2024-01-15 at 02.48.38.mov</property>
+    <property name="resource">/Volumes/LaCie/GNU Taler films/ONLINE/tutorial-videos/original_media/merchant/order1/Screen Recording 2024-01-22 at 04.02.43.mov</property>
     <property name="mlt_service">avformat-novalidate</property>
     <property name="meta.media.nb_streams">2</property>
     <property name="meta.media.0.stream.type">video</property>
-    <property name="meta.media.0.stream.frame_rate">37.955</property>
+    <property name="meta.media.0.stream.frame_rate">60</property>
+    <property name="meta.media.0.stream.sample_aspect_ratio">0</property>
+    <property name="meta.media.0.codec.width">864</property>
+    <property name="meta.media.0.codec.height">540</property>
+    <property name="meta.media.0.codec.rotate">0</property>
+    <property name="meta.media.0.codec.pix_fmt">yuv420p</property>
+    <property name="meta.media.0.codec.sample_aspect_ratio">0</property>
+    <property name="meta.media.0.codec.colorspace">709</property>
+    <property name="meta.media.0.codec.color_trc">1</property>
+    <property name="meta.media.0.codec.name">hevc</property>
+    <property name="meta.media.0.codec.long_name">HEVC (High Efficiency Video Coding)</property>
+    <property name="meta.media.0.codec.bit_rate">10679429</property>
+    <property name="meta.attr.0.stream.creation_time.markup">2024-01-22T03:04:03.000000Z</property>
+    <property name="meta.attr.0.stream.handler_name.markup">Core Media Video</property>
+    <property name="meta.attr.0.stream.vendor_id.markup">[0][0][0][0]</property>
+    <property name="meta.attr.0.stream.encoder.markup">Lavc60.31.102 hevc_videotoolbox</property>
+    <property name="meta.media.1.stream.type">audio</property>
+    <property name="meta.media.1.codec.sample_fmt">fltp</property>
+    <property name="meta.media.1.codec.sample_rate">44100</property>
+    <property name="meta.media.1.codec.channels">1</property>
+    <property name="meta.media.1.codec.name">ac3</property>
+    <property name="meta.media.1.codec.long_name">ATSC A/52A (AC-3)</property>
+    <property name="meta.media.1.codec.bit_rate">256000</property>
+    <property name="meta.attr.1.stream.creation_time.markup">2024-01-22T03:04:03.000000Z</property>
+    <property name="meta.attr.1.stream.handler_name.markup">Core Media Audio</property>
+    <property name="meta.attr.1.stream.vendor_id.markup">[0][0][0][0]</property>
+    <property name="meta.attr.major_brand.markup">isom</property>
+    <property name="meta.attr.minor_version.markup">512</property>
+    <property name="meta.attr.compatible_brands.markup">isomdby1iso2mp41</property>
+    <property name="meta.attr.creation_time.markup">2024-01-22T03:04:03.000000Z</property>
+    <property name="meta.attr.encoder.markup">Lavf60.16.100</property>
+    <property name="seekable">1</property>
+    <property name="meta.media.sample_aspect_num">1</property>
+    <property name="meta.media.sample_aspect_den">1</property>
+    <property name="audio_index">-1</property>
+    <property name="video_index">0</property>
+    <property name="creation_time">2024-01-22T03:04:03</property>
+    <property name="vstream">0</property>
+    <property name="meta.media.frame_rate_num">60</property>
+    <property name="meta.media.frame_rate_den">1</property>
+    <property name="meta.media.colorspace">709</property>
+    <property name="meta.media.color_trc">1</property>
+    <property name="meta.media.has_b_frames">0</property>
+    <property name="meta.media.width">864</property>
+    <property name="meta.media.height">540</property>
+    <property name="meta.media.aspect_ratio">1</property>
+    <property name="meta.media.color_range">mpeg</property>
+    <property name="astream">-1</property>
+    <property name="shotcut:hash">cc43bc6e55d30bec7a8aac8c39901bee</property>
+    <property name="shotcut:caption">Screen Recording 2024-01-22 at 04.02.43.mov</property>
+    <property name="xml">was here</property>
+    <property name="meta.media.top_field_first">0</property>
+    <property name="meta.media.progressive">1</property>
+    <property name="shotcut:defaultAudioIndex">1</property>
+    <property name="meta.shotcut.vui">1</property>
+    <filter id="filter15" in="00:06:29.880" out="00:06:33.040">
+      <property name="background">color:#00000000</property>
+      <property name="mlt_service">affine</property>
+      <property name="shotcut:filter">affineSizePosition</property>
+      <property name="transition.fill">1</property>
+      <property name="transition.distort">0</property>
+      <property name="transition.rect">-1000 -118 3622.4 2264 1</property>
+      <property name="transition.valign">middle</property>
+      <property name="transition.halign">center</property>
+      <property name="shotcut:animIn">00:00:00.000</property>
+      <property name="shotcut:animOut">00:00:00.000</property>
+      <property name="transition.threads">0</property>
+      <property name="transition.fix_rotate_x">0</property>
+    </filter>
+  </chain>
+  <chain id="chain114" out="00:33:28.720">
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+    <property name="eof">pause</property>
+    <property name="resource">/Volumes/LaCie/GNU Taler films/ONLINE/tutorial-videos/original_media/merchant/order1/Screen Recording 2024-01-22 at 04.02.43.mov</property>
+    <property name="mlt_service">avformat-novalidate</property>
+    <property name="meta.media.nb_streams">2</property>
+    <property name="meta.media.0.stream.type">video</property>
+    <property name="meta.media.0.stream.frame_rate">37.6514</property>
     <property name="meta.media.0.stream.sample_aspect_ratio">0</property>
     <property name="meta.media.0.codec.width">3456</property>
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     <property name="meta.media.0.codec.long_name">H.264 / AVC / MPEG-4 AVC / MPEG-4 part 10</property>
-    <property name="meta.media.0.codec.bit_rate">24972958</property>
-    <property name="meta.attr.0.stream.creation_time.markup">2024-01-15T02:24:11.000000Z</property>
+    <property name="meta.media.0.codec.bit_rate">25741987</property>
+    <property name="meta.attr.0.stream.creation_time.markup">2024-01-22T03:04:03.000000Z</property>
     <property name="meta.attr.0.stream.handler_name.markup">Core Media Video</property>
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     <property name="meta.media.1.codec.name">aac</property>
     <property name="meta.media.1.codec.long_name">AAC (Advanced Audio Coding)</property>
-    <property name="meta.media.1.codec.bit_rate">125820</property>
-    <property name="meta.attr.1.stream.creation_time.markup">2024-01-15T02:24:11.000000Z</property>
+    <property name="meta.media.1.codec.bit_rate">125731</property>
+    <property name="meta.attr.1.stream.creation_time.markup">2024-01-22T03:04:03.000000Z</property>
     <property name="meta.attr.1.stream.handler_name.markup">Core Media Audio</property>
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     <property name="meta.attr.compatible_brands.markup">qt  </property>
-    <property name="meta.attr.creation_time.markup">2024-01-15T02:24:11.000000Z</property>
+    <property name="meta.attr.creation_time.markup">2024-01-22T03:04:03.000000Z</property>
     <property name="meta.attr.encoder.markup">Lavf60.16.100</property>
     <property name="seekable">1</property>
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     <property name="video_index">0</property>
-    <property name="creation_time">2024-01-15T02:24:11</property>
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-    <property name="meta.media.frame_rate_num">4728780</property>
-    <property name="meta.media.frame_rate_den">124589</property>
+    <property name="meta.media.frame_rate_num">100868</property>
+    <property name="meta.media.frame_rate_den">2679</property>
     <property name="meta.media.colorspace">709</property>
     <property name="meta.media.color_trc">1</property>
     <property name="meta.media.has_b_frames">1</property>
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-    <property name="shotcut:caption">Screen Recording 2024-01-15 at 02.48.38.mov</property>
+    <property name="shotcut:hash">cc43bc6e55d30bec7a8aac8c39901bee</property>
+    <property name="shotcut:caption">Screen Recording 2024-01-22 at 04.02.43.mov</property>
     <property name="xml">was here</property>
     <property name="meta.media.top_field_first">0</property>
     <property name="meta.media.progressive">1</property>
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       <property name="mlt_service">affine</property>
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+    <property name="meta.media.0.codec.bit_rate">10679429</property>
+    <property name="meta.attr.0.stream.creation_time.markup">2024-01-22T03:04:03.000000Z</property>
+    <property name="meta.attr.0.stream.handler_name.markup">Core Media Video</property>
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+    <property name="meta.media.1.stream.type">audio</property>
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+    <property name="meta.media.1.codec.channels">1</property>
+    <property name="meta.media.1.codec.name">ac3</property>
+    <property name="meta.media.1.codec.long_name">ATSC A/52A (AC-3)</property>
+    <property name="meta.media.1.codec.bit_rate">256000</property>
+    <property name="meta.attr.1.stream.creation_time.markup">2024-01-22T03:04:03.000000Z</property>
+    <property name="meta.attr.1.stream.handler_name.markup">Core Media Audio</property>
+    <property name="meta.attr.1.stream.vendor_id.markup">[0][0][0][0]</property>
+    <property name="meta.attr.major_brand.markup">isom</property>
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+    <property name="meta.attr.creation_time.markup">2024-01-22T03:04:03.000000Z</property>
+    <property name="meta.attr.encoder.markup">Lavf60.16.100</property>
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+    <property name="shotcut:caption">Screen Recording 2024-01-22 at 04.02.43.mov</property>
+    <property name="xml">was here</property>
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+      <property name="background">color:#00000000</property>
+      <property name="mlt_service">affine</property>
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+      <property name="transition.fill">1</property>
+      <property name="transition.distort">0</property>
+      <property name="transition.rect">-1000 -118 3622.4 2264 1</property>
+      <property name="transition.valign">middle</property>
+      <property name="transition.halign">center</property>
+      <property name="shotcut:animIn">00:00:00.000</property>
+      <property name="shotcut:animOut">00:00:00.000</property>
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+      <property name="transition.fix_rotate_x">0</property>
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+    <property name="meta.media.0.codec.name">hevc</property>
+    <property name="meta.media.0.codec.long_name">HEVC (High Efficiency Video Coding)</property>
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+    <property name="meta.attr.0.stream.creation_time.markup">2024-01-22T03:04:03.000000Z</property>
+    <property name="meta.attr.0.stream.handler_name.markup">Core Media Video</property>
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+    <property name="meta.media.1.stream.type">audio</property>
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+    <property name="meta.media.1.codec.channels">1</property>
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+    <property name="meta.media.1.codec.long_name">ATSC A/52A (AC-3)</property>
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+    <property name="meta.attr.1.stream.creation_time.markup">2024-01-22T03:04:03.000000Z</property>
+    <property name="meta.attr.1.stream.handler_name.markup">Core Media Audio</property>
+    <property name="meta.attr.1.stream.vendor_id.markup">[0][0][0][0]</property>
+    <property name="meta.attr.major_brand.markup">isom</property>
+    <property name="meta.attr.minor_version.markup">512</property>
+    <property name="meta.attr.compatible_brands.markup">isomdby1iso2mp41</property>
+    <property name="meta.attr.creation_time.markup">2024-01-22T03:04:03.000000Z</property>
+    <property name="meta.attr.encoder.markup">Lavf60.16.100</property>
+    <property name="seekable">1</property>
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+    <property name="meta.media.height">540</property>
+    <property name="meta.media.aspect_ratio">1</property>
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+    <property name="shotcut:hash">cc43bc6e55d30bec7a8aac8c39901bee</property>
+    <property name="shotcut:caption">Screen Recording 2024-01-22 at 04.02.43.mov</property>
+    <property name="xml">was here</property>
+    <property name="meta.media.top_field_first">0</property>
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+    <property name="meta.shotcut.vui">1</property>
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+      <property name="background">color:#00000000</property>
+      <property name="mlt_service">affine</property>
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+      <property name="transition.fill">1</property>
+      <property name="transition.distort">0</property>
+      <property name="transition.rect">-1000 -118 3622.4 2264 1</property>
+      <property name="transition.valign">middle</property>
+      <property name="transition.halign">center</property>
+      <property name="shotcut:animIn">00:00:00.000</property>
+      <property name="shotcut:animOut">00:00:00.000</property>
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+    <property name="eof">pause</property>
+    <property name="resource">/Volumes/LaCie/GNU Taler films/ONLINE/tutorial-videos/original_media/merchant/order1/Screen Recording 2024-01-22 at 04.02.43.mov</property>
+    <property name="mlt_service">avformat-novalidate</property>
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+    <property name="meta.media.0.codec.name">hevc</property>
+    <property name="meta.media.0.codec.long_name">HEVC (High Efficiency Video Coding)</property>
+    <property name="meta.media.0.codec.bit_rate">10679429</property>
+    <property name="meta.attr.0.stream.creation_time.markup">2024-01-22T03:04:03.000000Z</property>
+    <property name="meta.attr.0.stream.handler_name.markup">Core Media Video</property>
+    <property name="meta.attr.0.stream.vendor_id.markup">[0][0][0][0]</property>
+    <property name="meta.attr.0.stream.encoder.markup">Lavc60.31.102 hevc_videotoolbox</property>
+    <property name="meta.media.1.stream.type">audio</property>
+    <property name="meta.media.1.codec.sample_fmt">fltp</property>
+    <property name="meta.media.1.codec.sample_rate">44100</property>
+    <property name="meta.media.1.codec.channels">1</property>
+    <property name="meta.media.1.codec.name">ac3</property>
+    <property name="meta.media.1.codec.long_name">ATSC A/52A (AC-3)</property>
+    <property name="meta.media.1.codec.bit_rate">256000</property>
+    <property name="meta.attr.1.stream.creation_time.markup">2024-01-22T03:04:03.000000Z</property>
+    <property name="meta.attr.1.stream.handler_name.markup">Core Media Audio</property>
+    <property name="meta.attr.1.stream.vendor_id.markup">[0][0][0][0]</property>
+    <property name="meta.attr.major_brand.markup">isom</property>
+    <property name="meta.attr.minor_version.markup">512</property>
+    <property name="meta.attr.compatible_brands.markup">isomdby1iso2mp41</property>
+    <property name="meta.attr.creation_time.markup">2024-01-22T03:04:03.000000Z</property>
+    <property name="meta.attr.encoder.markup">Lavf60.16.100</property>
+    <property name="seekable">1</property>
+    <property name="meta.media.sample_aspect_num">1</property>
+    <property name="meta.media.sample_aspect_den">1</property>
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+    <property name="video_index">0</property>
+    <property name="creation_time">2024-01-22T03:04:03</property>
+    <property name="vstream">0</property>
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+    <property name="meta.media.frame_rate_den">1</property>
+    <property name="meta.media.colorspace">709</property>
+    <property name="meta.media.color_trc">1</property>
+    <property name="meta.media.has_b_frames">0</property>
+    <property name="meta.media.width">864</property>
+    <property name="meta.media.height">540</property>
+    <property name="meta.media.aspect_ratio">1</property>
+    <property name="meta.media.color_range">mpeg</property>
+    <property name="astream">-1</property>
+    <property name="shotcut:hash">cc43bc6e55d30bec7a8aac8c39901bee</property>
+    <property name="shotcut:caption">Screen Recording 2024-01-22 at 04.02.43.mov</property>
+    <property name="xml">was here</property>
+    <property name="meta.media.top_field_first">0</property>
+    <property name="meta.media.progressive">1</property>
+    <property name="shotcut:defaultAudioIndex">1</property>
+    <property name="meta.shotcut.vui">1</property>
+    <filter id="filter23" in="00:08:13.360" out="00:08:22.880">
+      <property name="background">color:#00000000</property>
+      <property name="mlt_service">affine</property>
+      <property name="shotcut:filter">affineSizePosition</property>
+      <property name="transition.fill">1</property>
+      <property name="transition.distort">0</property>
+      <property name="transition.rect">-1000 -118 3622.4 2264 1</property>
+      <property name="transition.valign">middle</property>
+      <property name="transition.halign">center</property>
+      <property name="shotcut:animIn">00:00:00.000</property>
+      <property name="shotcut:animOut">00:00:00.000</property>
+      <property name="transition.threads">0</property>
+      <property name="transition.fix_rotate_x">0</property>
+    </filter>
+  </chain>
+  <chain id="chain122" out="00:33:28.720">
+    <property name="length">00:33:28.760</property>
+    <property name="eof">pause</property>
+    <property name="resource">/Volumes/LaCie/GNU Taler films/ONLINE/tutorial-videos/original_media/merchant/order1/Screen Recording 2024-01-22 at 04.02.43.mov</property>
+    <property name="mlt_service">avformat-novalidate</property>
+    <property name="meta.media.nb_streams">2</property>
+    <property name="meta.media.0.stream.type">video</property>
+    <property name="meta.media.0.stream.frame_rate">37.6514</property>
     <property name="meta.media.0.stream.sample_aspect_ratio">0</property>
     <property name="meta.media.0.codec.width">3456</property>
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-    <property name="meta.media.0.codec.bit_rate">24972958</property>
-    <property name="meta.attr.0.stream.creation_time.markup">2024-01-15T02:24:11.000000Z</property>
+    <property name="meta.media.0.codec.bit_rate">25741987</property>
+    <property name="meta.attr.0.stream.creation_time.markup">2024-01-22T03:04:03.000000Z</property>
     <property name="meta.attr.0.stream.handler_name.markup">Core Media Video</property>
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     <property name="meta.attr.0.stream.encoder.markup">H.264</property>
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     <property name="meta.media.1.codec.name">aac</property>
     <property name="meta.media.1.codec.long_name">AAC (Advanced Audio Coding)</property>
-    <property name="meta.media.1.codec.bit_rate">125820</property>
-    <property name="meta.attr.1.stream.creation_time.markup">2024-01-15T02:24:11.000000Z</property>
+    <property name="meta.media.1.codec.bit_rate">125731</property>
+    <property name="meta.attr.1.stream.creation_time.markup">2024-01-22T03:04:03.000000Z</property>
     <property name="meta.attr.1.stream.handler_name.markup">Core Media Audio</property>
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     <property name="meta.attr.minor_version.markup">0</property>
     <property name="meta.attr.compatible_brands.markup">qt  </property>
-    <property name="meta.attr.creation_time.markup">2024-01-15T02:24:11.000000Z</property>
+    <property name="meta.attr.creation_time.markup">2024-01-22T03:04:03.000000Z</property>
     <property name="meta.attr.encoder.markup">Lavf60.16.100</property>
     <property name="seekable">1</property>
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     <property name="meta.media.sample_aspect_den">1</property>
     <property name="audio_index">-1</property>
     <property name="video_index">0</property>
-    <property name="creation_time">2024-01-15T02:24:11</property>
+    <property name="creation_time">2024-01-22T03:04:03</property>
     <property name="vstream">0</property>
-    <property name="meta.media.frame_rate_num">4728780</property>
-    <property name="meta.media.frame_rate_den">124589</property>
+    <property name="meta.media.frame_rate_num">100868</property>
+    <property name="meta.media.frame_rate_den">2679</property>
     <property name="meta.media.colorspace">709</property>
     <property name="meta.media.color_trc">1</property>
     <property name="meta.media.has_b_frames">1</property>
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     <property name="meta.media.color_range">mpeg</property>
     <property name="astream">-1</property>
-    <property name="shotcut:hash">460b48940530c197dc6e411af3f9c8e1</property>
-    <property name="shotcut:caption">Screen Recording 2024-01-15 at 02.48.38.mov</property>
+    <property name="shotcut:hash">cc43bc6e55d30bec7a8aac8c39901bee</property>
+    <property name="shotcut:caption">Screen Recording 2024-01-22 at 04.02.43.mov</property>
     <property name="xml">was here</property>
     <property name="meta.media.top_field_first">0</property>
     <property name="meta.media.progressive">1</property>
+    <property name="shotcut:defaultAudioIndex">1</property>
     <property name="meta.shotcut.vui">1</property>
     <property name="meta.attr.com.apple.quicktime.make.markup">Apple</property>
     <property name="meta.attr.com.apple.quicktime.model.markup">MacBookPro18,2</property>
     <property name="meta.attr.com.apple.quicktime.software.markup">macOS 14.2.1 (23C71)</property>
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-    <property name="shotcut:defaultAudioIndex">1</property>
-    <filter id="filter50" in="00:03:05.280" out="00:03:18.400">
+    <property name="meta.attr.com.apple.quicktime.creationdate.markup">2024-01-22T04:04:02+0100</property>
+    <filter id="filter24" in="00:08:30.160" out="00:08:39.360">
       <property name="background">color:#00000000</property>
       <property name="mlt_service">affine</property>
       <property name="shotcut:filter">affineSizePosition</property>
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-    <track producer="chain51" in="00:03:05.280" out="00:03:05.320"/>
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-      <property name="mlt_service">luma</property>
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-    </transition>
-  </tractor>
-  <chain id="chain52" out="00:34:36.440">
-    <property name="length">00:34:36.480</property>
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-    <property name="meta.media.0.stream.frame_rate">37.955</property>
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     <property name="meta.media.0.codec.long_name">H.264 / AVC / MPEG-4 AVC / MPEG-4 part 10</property>
-    <property name="meta.media.0.codec.bit_rate">24972958</property>
-    <property name="meta.attr.0.stream.creation_time.markup">2024-01-15T02:24:11.000000Z</property>
+    <property name="meta.media.0.codec.bit_rate">25741987</property>
+    <property name="meta.attr.0.stream.creation_time.markup">2024-01-22T03:04:03.000000Z</property>
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     <property name="meta.media.1.codec.name">aac</property>
     <property name="meta.media.1.codec.long_name">AAC (Advanced Audio Coding)</property>
-    <property name="meta.media.1.codec.bit_rate">125820</property>
-    <property name="meta.attr.1.stream.creation_time.markup">2024-01-15T02:24:11.000000Z</property>
+    <property name="meta.media.1.codec.bit_rate">125731</property>
+    <property name="meta.attr.1.stream.creation_time.markup">2024-01-22T03:04:03.000000Z</property>
     <property name="meta.attr.1.stream.handler_name.markup">Core Media Audio</property>
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     <property name="meta.attr.compatible_brands.markup">qt  </property>
-    <property name="meta.attr.creation_time.markup">2024-01-15T02:24:11.000000Z</property>
+    <property name="meta.attr.creation_time.markup">2024-01-22T03:04:03.000000Z</property>
     <property name="meta.attr.encoder.markup">Lavf60.16.100</property>
     <property name="seekable">1</property>
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     <property name="video_index">0</property>
-    <property name="creation_time">2024-01-15T02:24:11</property>
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-    <property name="meta.media.frame_rate_num">4728780</property>
-    <property name="meta.media.frame_rate_den">124589</property>
+    <property name="meta.media.frame_rate_num">100868</property>
+    <property name="meta.media.frame_rate_den">2679</property>
     <property name="meta.media.colorspace">709</property>
     <property name="meta.media.color_trc">1</property>
     <property name="meta.media.has_b_frames">1</property>
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     <property name="meta.media.color_range">mpeg</property>
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-    <property name="shotcut:hash">460b48940530c197dc6e411af3f9c8e1</property>
-    <property name="shotcut:caption">Screen Recording 2024-01-15 at 02.48.38.mov</property>
+    <property name="shotcut:hash">cc43bc6e55d30bec7a8aac8c39901bee</property>
+    <property name="shotcut:caption">Screen Recording 2024-01-22 at 04.02.43.mov</property>
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     <property name="meta.media.top_field_first">0</property>
     <property name="meta.media.progressive">1</property>
-    <property name="meta.shotcut.vui">1</property>
+    <property name="shotcut:defaultAudioIndex">1</property>
     <property name="meta.attr.com.apple.quicktime.make.markup">Apple</property>
     <property name="meta.attr.com.apple.quicktime.model.markup">MacBookPro18,2</property>
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-    <property name="meta.attr.com.apple.quicktime.creationdate.markup">2024-01-15T02:48:48+0100</property>
-    <property name="shotcut:defaultAudioIndex">1</property>
-    <filter id="filter51" in="00:03:20.320" out="00:03:46.120">
+    <property name="meta.attr.com.apple.quicktime.creationdate.markup">2024-01-22T04:04:02+0100</property>
+    <property name="meta.shotcut.vui">1</property>
+    <filter id="filter25" in="00:08:44.840" out="00:08:47.280">
       <property name="background">color:#00000000</property>
       <property name="mlt_service">affine</property>
       <property name="shotcut:filter">affineSizePosition</property>
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-    <property name="length">00:34:36.480</property>
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+    <property name="length">00:33:28.760</property>
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-    <property name="resource">/Volumes/LaCie/GNU Taler films/ONLINE/tutorial-videos/original_media/merchant/order1/Screen Recording 2024-01-15 at 02.48.38.mov</property>
+    <property name="resource">/Volumes/LaCie/GNU Taler films/ONLINE/tutorial-videos/original_media/merchant/order1/Screen Recording 2024-01-22 at 04.02.43.mov</property>
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     <property name="meta.media.0.stream.type">video</property>
-    <property name="meta.media.0.stream.frame_rate">37.955</property>
+    <property name="meta.media.0.stream.frame_rate">37.6514</property>
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     <property name="meta.media.0.codec.width">3456</property>
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-    <property name="meta.media.0.codec.bit_rate">24972958</property>
-    <property name="meta.attr.0.stream.creation_time.markup">2024-01-15T02:24:11.000000Z</property>
+    <property name="meta.media.0.codec.bit_rate">25741987</property>
+    <property name="meta.attr.0.stream.creation_time.markup">2024-01-22T03:04:03.000000Z</property>
     <property name="meta.attr.0.stream.handler_name.markup">Core Media Video</property>
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     <property name="meta.media.1.codec.name">aac</property>
     <property name="meta.media.1.codec.long_name">AAC (Advanced Audio Coding)</property>
-    <property name="meta.media.1.codec.bit_rate">125820</property>
-    <property name="meta.attr.1.stream.creation_time.markup">2024-01-15T02:24:11.000000Z</property>
+    <property name="meta.media.1.codec.bit_rate">125731</property>
+    <property name="meta.attr.1.stream.creation_time.markup">2024-01-22T03:04:03.000000Z</property>
     <property name="meta.attr.1.stream.handler_name.markup">Core Media Audio</property>
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     <property name="meta.attr.minor_version.markup">0</property>
     <property name="meta.attr.compatible_brands.markup">qt  </property>
-    <property name="meta.attr.creation_time.markup">2024-01-15T02:24:11.000000Z</property>
+    <property name="meta.attr.creation_time.markup">2024-01-22T03:04:03.000000Z</property>
     <property name="meta.attr.encoder.markup">Lavf60.16.100</property>
     <property name="seekable">1</property>
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     <property name="audio_index">-1</property>
     <property name="video_index">0</property>
-    <property name="creation_time">2024-01-15T02:24:11</property>
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-    <property name="meta.media.frame_rate_num">4728780</property>
-    <property name="meta.media.frame_rate_den">124589</property>
+    <property name="meta.media.frame_rate_num">100868</property>
+    <property name="meta.media.frame_rate_den">2679</property>
     <property name="meta.media.colorspace">709</property>
     <property name="meta.media.color_trc">1</property>
     <property name="meta.media.has_b_frames">1</property>
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     <property name="meta.media.color_range">mpeg</property>
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-    <property name="shotcut:hash">460b48940530c197dc6e411af3f9c8e1</property>
-    <property name="shotcut:caption">Screen Recording 2024-01-15 at 02.48.38.mov</property>
+    <property name="shotcut:hash">cc43bc6e55d30bec7a8aac8c39901bee</property>
+    <property name="shotcut:caption">Screen Recording 2024-01-22 at 04.02.43.mov</property>
     <property name="xml">was here</property>
     <property name="meta.media.top_field_first">0</property>
     <property name="meta.media.progressive">1</property>
+    <property name="shotcut:defaultAudioIndex">1</property>
     <property name="meta.shotcut.vui">1</property>
     <property name="meta.attr.com.apple.quicktime.make.markup">Apple</property>
     <property name="meta.attr.com.apple.quicktime.model.markup">MacBookPro18,2</property>
     <property name="meta.attr.com.apple.quicktime.software.markup">macOS 14.2.1 (23C71)</property>
-    <property name="meta.attr.com.apple.quicktime.creationdate.markup">2024-01-15T02:48:48+0100</property>
-    <property name="shotcut:defaultAudioIndex">1</property>
-    <filter id="filter52" in="00:03:47.520" out="00:04:00.520">
+    <property name="meta.attr.com.apple.quicktime.creationdate.markup">2024-01-22T04:04:02+0100</property>
+    <filter id="filter26" in="00:08:47.640" out="00:08:51.360">
       <property name="background">color:#00000000</property>
       <property name="mlt_service">affine</property>
       <property name="shotcut:filter">affineSizePosition</property>
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     </filter>
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-  <chain id="chain54" out="00:34:36.440">
-    <property name="length">00:34:36.480</property>
+  <chain id="chain125" out="00:33:28.720">
+    <property name="length">00:33:28.760</property>
     <property name="eof">pause</property>
-    <property name="resource">/Volumes/LaCie/GNU Taler films/ONLINE/tutorial-videos/original_media/merchant/order1/Screen Recording 2024-01-15 at 02.48.38.mov</property>
+    <property name="resource">/Volumes/LaCie/GNU Taler films/ONLINE/tutorial-videos/original_media/merchant/order1/Screen Recording 2024-01-22 at 04.02.43.mov</property>
     <property name="mlt_service">avformat-novalidate</property>
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     <property name="meta.media.0.stream.type">video</property>
-    <property name="meta.media.0.stream.frame_rate">37.955</property>
+    <property name="meta.media.0.stream.frame_rate">37.6514</property>
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     <property name="meta.media.0.codec.width">3456</property>
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     <property name="meta.media.0.codec.long_name">H.264 / AVC / MPEG-4 AVC / MPEG-4 part 10</property>
-    <property name="meta.media.0.codec.bit_rate">24972958</property>
-    <property name="meta.attr.0.stream.creation_time.markup">2024-01-15T02:24:11.000000Z</property>
+    <property name="meta.media.0.codec.bit_rate">25741987</property>
+    <property name="meta.attr.0.stream.creation_time.markup">2024-01-22T03:04:03.000000Z</property>
     <property name="meta.attr.0.stream.handler_name.markup">Core Media Video</property>
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     <property name="meta.attr.0.stream.encoder.markup">H.264</property>
@@ -4502,24 +9008,24 @@
     <property name="meta.media.1.codec.channels">1</property>
     <property name="meta.media.1.codec.name">aac</property>
     <property name="meta.media.1.codec.long_name">AAC (Advanced Audio Coding)</property>
-    <property name="meta.media.1.codec.bit_rate">125820</property>
-    <property name="meta.attr.1.stream.creation_time.markup">2024-01-15T02:24:11.000000Z</property>
+    <property name="meta.media.1.codec.bit_rate">125731</property>
+    <property name="meta.attr.1.stream.creation_time.markup">2024-01-22T03:04:03.000000Z</property>
     <property name="meta.attr.1.stream.handler_name.markup">Core Media Audio</property>
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     <property name="meta.attr.major_brand.markup">qt  </property>
     <property name="meta.attr.minor_version.markup">0</property>
     <property name="meta.attr.compatible_brands.markup">qt  </property>
-    <property name="meta.attr.creation_time.markup">2024-01-15T02:24:11.000000Z</property>
+    <property name="meta.attr.creation_time.markup">2024-01-22T03:04:03.000000Z</property>
     <property name="meta.attr.encoder.markup">Lavf60.16.100</property>
     <property name="seekable">1</property>
     <property name="meta.media.sample_aspect_num">1</property>
     <property name="meta.media.sample_aspect_den">1</property>
     <property name="audio_index">-1</property>
     <property name="video_index">0</property>
-    <property name="creation_time">2024-01-15T02:24:11</property>
+    <property name="creation_time">2024-01-22T03:04:03</property>
     <property name="vstream">0</property>
-    <property name="meta.media.frame_rate_num">4728780</property>
-    <property name="meta.media.frame_rate_den">124589</property>
+    <property name="meta.media.frame_rate_num">100868</property>
+    <property name="meta.media.frame_rate_den">2679</property>
     <property name="meta.media.colorspace">709</property>
     <property name="meta.media.color_trc">1</property>
     <property name="meta.media.has_b_frames">1</property>
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     <property name="meta.media.color_range">mpeg</property>
     <property name="astream">-1</property>
-    <property name="shotcut:hash">460b48940530c197dc6e411af3f9c8e1</property>
-    <property name="shotcut:caption">Screen Recording 2024-01-15 at 02.48.38.mov</property>
+    <property name="shotcut:hash">cc43bc6e55d30bec7a8aac8c39901bee</property>
+    <property name="shotcut:caption">Screen Recording 2024-01-22 at 04.02.43.mov</property>
     <property name="xml">was here</property>
     <property name="meta.media.top_field_first">0</property>
     <property name="meta.media.progressive">1</property>
+    <property name="shotcut:defaultAudioIndex">1</property>
     <property name="meta.shotcut.vui">1</property>
     <property name="meta.attr.com.apple.quicktime.make.markup">Apple</property>
     <property name="meta.attr.com.apple.quicktime.model.markup">MacBookPro18,2</property>
     <property name="meta.attr.com.apple.quicktime.software.markup">macOS 14.2.1 (23C71)</property>
-    <property name="meta.attr.com.apple.quicktime.creationdate.markup">2024-01-15T02:48:48+0100</property>
+    <property name="meta.attr.com.apple.quicktime.creationdate.markup">2024-01-22T04:04:02+0100</property>
+    <filter id="filter27" in="00:08:55.880" out="00:09:00.360">
+      <property name="background">color:#00000000</property>
+      <property name="mlt_service">affine</property>
+      <property name="shotcut:filter">affineSizePosition</property>
+      <property name="transition.fill">1</property>
+      <property name="transition.distort">0</property>
+      <property name="transition.rect">-1000 -118 3622.4 2264 1</property>
+      <property name="transition.valign">middle</property>
+      <property name="transition.halign">center</property>
+      <property name="shotcut:animIn">00:00:00.000</property>
+      <property name="shotcut:animOut">00:00:00.000</property>
+      <property name="transition.threads">0</property>
+      <property name="transition.fix_rotate_x">0</property>
+    </filter>
+  </chain>
+  <chain id="chain126" out="00:33:28.720">
+    <property name="length">00:33:28.760</property>
+    <property name="eof">pause</property>
+    <property name="resource">/Volumes/LaCie/GNU Taler films/ONLINE/tutorial-videos/original_media/merchant/order1/Screen Recording 2024-01-22 at 04.02.43.mov</property>
+    <property name="mlt_service">avformat-novalidate</property>
+    <property name="meta.media.nb_streams">2</property>
+    <property name="meta.media.0.stream.type">video</property>
+    <property name="meta.media.0.stream.frame_rate">37.6514</property>
+    <property name="meta.media.0.stream.sample_aspect_ratio">0</property>
+    <property name="meta.media.0.codec.width">3456</property>
+    <property name="meta.media.0.codec.height">2160</property>
+    <property name="meta.media.0.codec.rotate">0</property>
+    <property name="meta.media.0.codec.pix_fmt">yuv420p</property>
+    <property name="meta.media.0.codec.sample_aspect_ratio">0</property>
+    <property name="meta.media.0.codec.colorspace">709</property>
+    <property name="meta.media.0.codec.color_trc">1</property>
+    <property name="meta.media.0.codec.name">h264</property>
+    <property name="meta.media.0.codec.long_name">H.264 / AVC / MPEG-4 AVC / MPEG-4 part 10</property>
+    <property name="meta.media.0.codec.bit_rate">25741987</property>
+    <property name="meta.attr.0.stream.creation_time.markup">2024-01-22T03:04:03.000000Z</property>
+    <property name="meta.attr.0.stream.handler_name.markup">Core Media Video</property>
+    <property name="meta.attr.0.stream.vendor_id.markup">[0][0][0][0]</property>
+    <property name="meta.attr.0.stream.encoder.markup">H.264</property>
+    <property name="meta.media.1.stream.type">audio</property>
+    <property name="meta.media.1.codec.sample_fmt">fltp</property>
+    <property name="meta.media.1.codec.sample_rate">44100</property>
+    <property name="meta.media.1.codec.channels">1</property>
+    <property name="meta.media.1.codec.name">aac</property>
+    <property name="meta.media.1.codec.long_name">AAC (Advanced Audio Coding)</property>
+    <property name="meta.media.1.codec.bit_rate">125731</property>
+    <property name="meta.attr.1.stream.creation_time.markup">2024-01-22T03:04:03.000000Z</property>
+    <property name="meta.attr.1.stream.handler_name.markup">Core Media Audio</property>
+    <property name="meta.attr.1.stream.vendor_id.markup">[0][0][0][0]</property>
+    <property name="meta.attr.major_brand.markup">qt  </property>
+    <property name="meta.attr.minor_version.markup">0</property>
+    <property name="meta.attr.compatible_brands.markup">qt  </property>
+    <property name="meta.attr.creation_time.markup">2024-01-22T03:04:03.000000Z</property>
+    <property name="meta.attr.encoder.markup">Lavf60.16.100</property>
+    <property name="seekable">1</property>
+    <property name="meta.media.sample_aspect_num">1</property>
+    <property name="meta.media.sample_aspect_den">1</property>
+    <property name="audio_index">-1</property>
+    <property name="video_index">0</property>
+    <property name="creation_time">2024-01-22T03:04:03</property>
+    <property name="vstream">0</property>
+    <property name="meta.media.frame_rate_num">60</property>
+    <property name="meta.media.frame_rate_den">1</property>
+    <property name="meta.media.colorspace">709</property>
+    <property name="meta.media.color_trc">1</property>
+    <property name="meta.media.has_b_frames">0</property>
+    <property name="meta.media.width">864</property>
+    <property name="meta.media.height">540</property>
+    <property name="meta.media.aspect_ratio">1</property>
+    <property name="meta.media.color_range">mpeg</property>
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+    <property name="shotcut:hash">cc43bc6e55d30bec7a8aac8c39901bee</property>
+    <property name="shotcut:caption">Screen Recording 2024-01-22 at 04.02.43.mov</property>
+    <property name="xml">was here</property>
+    <property name="meta.media.top_field_first">0</property>
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+    <property name="meta.attr.com.apple.quicktime.make.markup">Apple</property>
+    <property name="meta.attr.com.apple.quicktime.model.markup">MacBookPro18,2</property>
+    <property name="meta.attr.com.apple.quicktime.software.markup">macOS 14.2.1 (23C71)</property>
+    <property name="meta.attr.com.apple.quicktime.creationdate.markup">2024-01-22T04:04:02+0100</property>
+    <filter id="filter28" in="00:09:00.400" out="00:09:02.360">
       <property name="background">color:#00000000</property>
       <property name="mlt_service">affine</property>
       <property name="shotcut:filter">affineSizePosition</property>
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-    <property name="length">00:34:36.480</property>
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+    <property name="length">00:33:28.760</property>
     <property name="eof">pause</property>
-    <property name="resource">/Volumes/LaCie/GNU Taler films/ONLINE/tutorial-videos/original_media/merchant/order1/Screen Recording 2024-01-15 at 02.48.38.mov</property>
+    <property name="resource">/Volumes/LaCie/GNU Taler films/ONLINE/tutorial-videos/original_media/merchant/order1/Screen Recording 2024-01-22 at 04.02.43.mov</property>
     <property name="mlt_service">avformat-novalidate</property>
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     <property name="meta.media.0.stream.type">video</property>
-    <property name="meta.media.0.stream.frame_rate">37.955</property>
+    <property name="meta.media.0.stream.frame_rate">37.6514</property>
     <property name="meta.media.0.stream.sample_aspect_ratio">0</property>
     <property name="meta.media.0.codec.width">3456</property>
     <property name="meta.media.0.codec.height">2160</property>
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     <property name="meta.media.0.codec.name">h264</property>
     <property name="meta.media.0.codec.long_name">H.264 / AVC / MPEG-4 AVC / MPEG-4 part 10</property>
-    <property name="meta.media.0.codec.bit_rate">24972958</property>
-    <property name="meta.attr.0.stream.creation_time.markup">2024-01-15T02:24:11.000000Z</property>
+    <property name="meta.media.0.codec.bit_rate">25741987</property>
+    <property name="meta.attr.0.stream.creation_time.markup">2024-01-22T03:04:03.000000Z</property>
     <property name="meta.attr.0.stream.handler_name.markup">Core Media Video</property>
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@@ -4583,24 +9170,24 @@
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     <property name="meta.media.1.codec.name">aac</property>
     <property name="meta.media.1.codec.long_name">AAC (Advanced Audio Coding)</property>
-    <property name="meta.media.1.codec.bit_rate">125820</property>
-    <property name="meta.attr.1.stream.creation_time.markup">2024-01-15T02:24:11.000000Z</property>
+    <property name="meta.media.1.codec.bit_rate">125731</property>
+    <property name="meta.attr.1.stream.creation_time.markup">2024-01-22T03:04:03.000000Z</property>
     <property name="meta.attr.1.stream.handler_name.markup">Core Media Audio</property>
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     <property name="meta.attr.major_brand.markup">qt  </property>
     <property name="meta.attr.minor_version.markup">0</property>
     <property name="meta.attr.compatible_brands.markup">qt  </property>
-    <property name="meta.attr.creation_time.markup">2024-01-15T02:24:11.000000Z</property>
+    <property name="meta.attr.creation_time.markup">2024-01-22T03:04:03.000000Z</property>
     <property name="meta.attr.encoder.markup">Lavf60.16.100</property>
     <property name="seekable">1</property>
     <property name="meta.media.sample_aspect_num">1</property>
     <property name="meta.media.sample_aspect_den">1</property>
     <property name="audio_index">-1</property>
     <property name="video_index">0</property>
-    <property name="creation_time">2024-01-15T02:24:11</property>
+    <property name="creation_time">2024-01-22T03:04:03</property>
     <property name="vstream">0</property>
-    <property name="meta.media.frame_rate_num">4728780</property>
-    <property name="meta.media.frame_rate_den">124589</property>
+    <property name="meta.media.frame_rate_num">100868</property>
+    <property name="meta.media.frame_rate_den">2679</property>
     <property name="meta.media.colorspace">709</property>
     <property name="meta.media.color_trc">1</property>
     <property name="meta.media.has_b_frames">1</property>
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     <property name="meta.media.aspect_ratio">1</property>
     <property name="meta.media.color_range">mpeg</property>
     <property name="astream">-1</property>
-    <property name="shotcut:hash">460b48940530c197dc6e411af3f9c8e1</property>
-    <property name="shotcut:caption">Screen Recording 2024-01-15 at 02.48.38.mov</property>
+    <property name="shotcut:hash">cc43bc6e55d30bec7a8aac8c39901bee</property>
+    <property name="shotcut:caption">Screen Recording 2024-01-22 at 04.02.43.mov</property>
     <property name="xml">was here</property>
     <property name="meta.media.top_field_first">0</property>
     <property name="meta.media.progressive">1</property>
-    <property name="meta.shotcut.vui">1</property>
+    <property name="shotcut:defaultAudioIndex">1</property>
     <property name="meta.attr.com.apple.quicktime.make.markup">Apple</property>
     <property name="meta.attr.com.apple.quicktime.model.markup">MacBookPro18,2</property>
     <property name="meta.attr.com.apple.quicktime.software.markup">macOS 14.2.1 (23C71)</property>
-    <property name="meta.attr.com.apple.quicktime.creationdate.markup">2024-01-15T02:48:48+0100</property>
+    <property name="meta.attr.com.apple.quicktime.creationdate.markup">2024-01-22T04:04:02+0100</property>
+    <property name="meta.shotcut.vui">1</property>
+    <filter id="filter29" in="00:09:09.000" out="00:09:15.000">
+      <property name="background">color:#00000000</property>
+      <property name="mlt_service">affine</property>
+      <property name="shotcut:filter">affineSizePosition</property>
+      <property name="transition.fill">1</property>
+      <property name="transition.distort">0</property>
+      <property name="transition.rect">-1000 -118 3622.4 2264 1</property>
+      <property name="transition.valign">middle</property>
+      <property name="transition.halign">center</property>
+      <property name="shotcut:animIn">00:00:00.000</property>
+      <property name="shotcut:animOut">00:00:00.000</property>
+      <property name="transition.threads">0</property>
+      <property name="transition.fix_rotate_x">0</property>
+    </filter>
+  </chain>
+  <chain id="chain128" out="00:33:28.720">
+    <property name="length">00:33:28.760</property>
+    <property name="eof">pause</property>
+    <property name="resource">/Volumes/LaCie/GNU Taler films/ONLINE/tutorial-videos/original_media/merchant/order1/Screen Recording 2024-01-22 at 04.02.43.mov</property>
+    <property name="mlt_service">avformat-novalidate</property>
+    <property name="meta.media.nb_streams">2</property>
+    <property name="meta.media.0.stream.type">video</property>
+    <property name="meta.media.0.stream.frame_rate">60</property>
+    <property name="meta.media.0.stream.sample_aspect_ratio">0</property>
+    <property name="meta.media.0.codec.width">864</property>
+    <property name="meta.media.0.codec.height">540</property>
+    <property name="meta.media.0.codec.rotate">0</property>
+    <property name="meta.media.0.codec.pix_fmt">yuv420p</property>
+    <property name="meta.media.0.codec.sample_aspect_ratio">0</property>
+    <property name="meta.media.0.codec.colorspace">709</property>
+    <property name="meta.media.0.codec.color_trc">1</property>
+    <property name="meta.media.0.codec.name">hevc</property>
+    <property name="meta.media.0.codec.long_name">HEVC (High Efficiency Video Coding)</property>
+    <property name="meta.media.0.codec.bit_rate">10679429</property>
+    <property name="meta.attr.0.stream.creation_time.markup">2024-01-22T03:04:03.000000Z</property>
+    <property name="meta.attr.0.stream.handler_name.markup">Core Media Video</property>
+    <property name="meta.attr.0.stream.vendor_id.markup">[0][0][0][0]</property>
+    <property name="meta.attr.0.stream.encoder.markup">Lavc60.31.102 hevc_videotoolbox</property>
+    <property name="meta.media.1.stream.type">audio</property>
+    <property name="meta.media.1.codec.sample_fmt">fltp</property>
+    <property name="meta.media.1.codec.sample_rate">44100</property>
+    <property name="meta.media.1.codec.channels">1</property>
+    <property name="meta.media.1.codec.name">ac3</property>
+    <property name="meta.media.1.codec.long_name">ATSC A/52A (AC-3)</property>
+    <property name="meta.media.1.codec.bit_rate">256000</property>
+    <property name="meta.attr.1.stream.creation_time.markup">2024-01-22T03:04:03.000000Z</property>
+    <property name="meta.attr.1.stream.handler_name.markup">Core Media Audio</property>
+    <property name="meta.attr.1.stream.vendor_id.markup">[0][0][0][0]</property>
+    <property name="meta.attr.major_brand.markup">isom</property>
+    <property name="meta.attr.minor_version.markup">512</property>
+    <property name="meta.attr.compatible_brands.markup">isomdby1iso2mp41</property>
+    <property name="meta.attr.creation_time.markup">2024-01-22T03:04:03.000000Z</property>
+    <property name="meta.attr.encoder.markup">Lavf60.16.100</property>
+    <property name="seekable">1</property>
+    <property name="meta.media.sample_aspect_num">1</property>
+    <property name="meta.media.sample_aspect_den">1</property>
+    <property name="audio_index">-1</property>
+    <property name="video_index">0</property>
+    <property name="creation_time">2024-01-22T03:04:03</property>
+    <property name="vstream">0</property>
+    <property name="meta.media.frame_rate_num">60</property>
+    <property name="meta.media.frame_rate_den">1</property>
+    <property name="meta.media.colorspace">709</property>
+    <property name="meta.media.color_trc">1</property>
+    <property name="meta.media.has_b_frames">0</property>
+    <property name="meta.media.width">864</property>
+    <property name="meta.media.height">540</property>
+    <property name="meta.media.aspect_ratio">1</property>
+    <property name="meta.media.color_range">mpeg</property>
+    <property name="astream">-1</property>
+    <property name="shotcut:hash">cc43bc6e55d30bec7a8aac8c39901bee</property>
+    <property name="shotcut:caption">Screen Recording 2024-01-22 at 04.02.43.mov</property>
+    <property name="xml">was here</property>
+    <property name="meta.media.top_field_first">0</property>
+    <property name="meta.media.progressive">1</property>
     <property name="shotcut:defaultAudioIndex">1</property>
-    <filter id="filter54" in="00:04:19.280" out="00:04:23.560">
+    <property name="meta.shotcut.vui">1</property>
+    <filter id="filter30" in="00:09:28.120" out="00:09:29.240">
       <property name="background">color:#00000000</property>
       <property name="mlt_service">affine</property>
       <property name="shotcut:filter">affineSizePosition</property>
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     </filter>
   </chain>
-  <chain id="chain56" out="00:34:36.440">
-    <property name="length">00:34:36.480</property>
+  <chain id="chain129" out="00:33:28.720">
+    <property name="length">00:33:28.760</property>
     <property name="eof">pause</property>
-    <property name="resource">/Volumes/LaCie/GNU Taler films/ONLINE/tutorial-videos/original_media/merchant/order1/Screen Recording 2024-01-15 at 02.48.38.mov</property>
+    <property name="resource">/Volumes/LaCie/GNU Taler films/ONLINE/tutorial-videos/original_media/merchant/order1/Screen Recording 2024-01-22 at 04.02.43.mov</property>
     <property name="mlt_service">avformat-novalidate</property>
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     <property name="meta.media.0.stream.type">video</property>
-    <property name="meta.media.0.stream.frame_rate">37.955</property>
+    <property name="meta.media.0.stream.frame_rate">37.6514</property>
     <property name="meta.media.0.stream.sample_aspect_ratio">0</property>
     <property name="meta.media.0.codec.width">3456</property>
     <property name="meta.media.0.codec.height">2160</property>
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     <property name="meta.media.0.codec.color_trc">1</property>
     <property name="meta.media.0.codec.name">h264</property>
     <property name="meta.media.0.codec.long_name">H.264 / AVC / MPEG-4 AVC / MPEG-4 part 10</property>
-    <property name="meta.media.0.codec.bit_rate">24972958</property>
-    <property name="meta.attr.0.stream.creation_time.markup">2024-01-15T02:24:11.000000Z</property>
+    <property name="meta.media.0.codec.bit_rate">25741987</property>
+    <property name="meta.attr.0.stream.creation_time.markup">2024-01-22T03:04:03.000000Z</property>
     <property name="meta.attr.0.stream.handler_name.markup">Core Media Video</property>
     <property name="meta.attr.0.stream.vendor_id.markup">[0][0][0][0]</property>
     <property name="meta.attr.0.stream.encoder.markup">H.264</property>
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     <property name="meta.media.1.codec.channels">1</property>
     <property name="meta.media.1.codec.name">aac</property>
     <property name="meta.media.1.codec.long_name">AAC (Advanced Audio Coding)</property>
-    <property name="meta.media.1.codec.bit_rate">125820</property>
-    <property name="meta.attr.1.stream.creation_time.markup">2024-01-15T02:24:11.000000Z</property>
+    <property name="meta.media.1.codec.bit_rate">125731</property>
+    <property name="meta.attr.1.stream.creation_time.markup">2024-01-22T03:04:03.000000Z</property>
     <property name="meta.attr.1.stream.handler_name.markup">Core Media Audio</property>
     <property name="meta.attr.1.stream.vendor_id.markup">[0][0][0][0]</property>
     <property name="meta.attr.major_brand.markup">qt  </property>
     <property name="meta.attr.minor_version.markup">0</property>
     <property name="meta.attr.compatible_brands.markup">qt  </property>
-    <property name="meta.attr.creation_time.markup">2024-01-15T02:24:11.000000Z</property>
+    <property name="meta.attr.creation_time.markup">2024-01-22T03:04:03.000000Z</property>
     <property name="meta.attr.encoder.markup">Lavf60.16.100</property>
     <property name="seekable">1</property>
     <property name="meta.media.sample_aspect_num">1</property>
     <property name="meta.media.sample_aspect_den">1</property>
     <property name="audio_index">-1</property>
     <property name="video_index">0</property>
-    <property name="creation_time">2024-01-15T02:24:11</property>
+    <property name="creation_time">2024-01-22T03:04:03</property>
     <property name="vstream">0</property>
-    <property name="meta.media.frame_rate_num">4728780</property>
-    <property name="meta.media.frame_rate_den">124589</property>
+    <property name="meta.media.frame_rate_num">100868</property>
+    <property name="meta.media.frame_rate_den">2679</property>
     <property name="meta.media.colorspace">709</property>
     <property name="meta.media.color_trc">1</property>
     <property name="meta.media.has_b_frames">1</property>
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     <property name="meta.media.aspect_ratio">1</property>
     <property name="meta.media.color_range">mpeg</property>
     <property name="astream">-1</property>
-    <property name="shotcut:hash">460b48940530c197dc6e411af3f9c8e1</property>
-    <property name="shotcut:caption">Screen Recording 2024-01-15 at 02.48.38.mov</property>
+    <property name="shotcut:hash">cc43bc6e55d30bec7a8aac8c39901bee</property>
+    <property name="shotcut:caption">Screen Recording 2024-01-22 at 04.02.43.mov</property>
     <property name="xml">was here</property>
     <property name="meta.media.top_field_first">0</property>
     <property name="meta.media.progressive">1</property>
+    <property name="shotcut:defaultAudioIndex">1</property>
     <property name="meta.shotcut.vui">1</property>
     <property name="meta.attr.com.apple.quicktime.make.markup">Apple</property>
     <property name="meta.attr.com.apple.quicktime.model.markup">MacBookPro18,2</property>
     <property name="meta.attr.com.apple.quicktime.software.markup">macOS 14.2.1 (23C71)</property>
-    <property name="meta.attr.com.apple.quicktime.creationdate.markup">2024-01-15T02:48:48+0100</property>
-    <property name="shotcut:defaultAudioIndex">1</property>
-    <filter id="filter55" in="00:04:25.840" out="00:04:29.480">
+    <property name="meta.attr.com.apple.quicktime.creationdate.markup">2024-01-22T04:04:02+0100</property>
+    <filter id="filter31" in="00:09:30.600" out="00:09:38.840">
       <property name="background">color:#00000000</property>
       <property name="mlt_service">affine</property>
       <property name="shotcut:filter">affineSizePosition</property>
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     </filter>
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-  <chain id="chain57" out="00:34:36.440">
-    <property name="length">00:34:36.480</property>
+  <chain id="chain130" out="00:33:28.720">
+    <property name="length">00:33:28.760</property>
     <property name="eof">pause</property>
-    <property name="resource">/Volumes/LaCie/GNU Taler films/ONLINE/tutorial-videos/original_media/merchant/order1/Screen Recording 2024-01-15 at 02.48.38.mov</property>
+    <property name="resource">/Volumes/LaCie/GNU Taler films/ONLINE/tutorial-videos/original_media/merchant/order1/Screen Recording 2024-01-22 at 04.02.43.mov</property>
     <property name="mlt_service">avformat-novalidate</property>
     <property name="meta.media.nb_streams">2</property>
     <property name="meta.media.0.stream.type">video</property>
-    <property name="meta.media.0.stream.frame_rate">37.955</property>
+    <property name="meta.media.0.stream.frame_rate">37.6514</property>
     <property name="meta.media.0.stream.sample_aspect_ratio">0</property>
     <property name="meta.media.0.codec.width">3456</property>
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     <property name="meta.media.0.codec.long_name">H.264 / AVC / MPEG-4 AVC / MPEG-4 part 10</property>
-    <property name="meta.media.0.codec.bit_rate">24972958</property>
-    <property name="meta.attr.0.stream.creation_time.markup">2024-01-15T02:24:11.000000Z</property>
+    <property name="meta.media.0.codec.bit_rate">25741987</property>
+    <property name="meta.attr.0.stream.creation_time.markup">2024-01-22T03:04:03.000000Z</property>
     <property name="meta.attr.0.stream.handler_name.markup">Core Media Video</property>
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     <property name="meta.media.1.codec.name">aac</property>
     <property name="meta.media.1.codec.long_name">AAC (Advanced Audio Coding)</property>
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-    <property name="meta.attr.1.stream.creation_time.markup">2024-01-15T02:24:11.000000Z</property>
+    <property name="meta.media.1.codec.bit_rate">125731</property>
+    <property name="meta.attr.1.stream.creation_time.markup">2024-01-22T03:04:03.000000Z</property>
     <property name="meta.attr.1.stream.handler_name.markup">Core Media Audio</property>
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     <property name="meta.attr.compatible_brands.markup">qt  </property>
-    <property name="meta.attr.creation_time.markup">2024-01-15T02:24:11.000000Z</property>
+    <property name="meta.attr.creation_time.markup">2024-01-22T03:04:03.000000Z</property>
     <property name="meta.attr.encoder.markup">Lavf60.16.100</property>
     <property name="seekable">1</property>
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     <property name="video_index">0</property>
-    <property name="creation_time">2024-01-15T02:24:11</property>
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     <property name="vstream">0</property>
-    <property name="meta.media.frame_rate_num">4728780</property>
-    <property name="meta.media.frame_rate_den">124589</property>
+    <property name="meta.media.frame_rate_num">100868</property>
+    <property name="meta.media.frame_rate_den">2679</property>
     <property name="meta.media.colorspace">709</property>
     <property name="meta.media.color_trc">1</property>
     <property name="meta.media.has_b_frames">1</property>
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-    <property name="shotcut:caption">Screen Recording 2024-01-15 at 02.48.38.mov</property>
+    <property name="shotcut:hash">cc43bc6e55d30bec7a8aac8c39901bee</property>
+    <property name="shotcut:caption">Screen Recording 2024-01-22 at 04.02.43.mov</property>
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     <property name="meta.media.top_field_first">0</property>
     <property name="meta.media.progressive">1</property>
-    <property name="meta.shotcut.vui">1</property>
+    <property name="shotcut:defaultAudioIndex">1</property>
     <property name="meta.attr.com.apple.quicktime.make.markup">Apple</property>
     <property name="meta.attr.com.apple.quicktime.model.markup">MacBookPro18,2</property>
     <property name="meta.attr.com.apple.quicktime.software.markup">macOS 14.2.1 (23C71)</property>
-    <property name="meta.attr.com.apple.quicktime.creationdate.markup">2024-01-15T02:48:48+0100</property>
-    <property name="shotcut:defaultAudioIndex">1</property>
-    <filter id="filter56" in="00:04:41.080" out="00:05:15.320">
+    <property name="meta.attr.com.apple.quicktime.creationdate.markup">2024-01-22T04:04:02+0100</property>
+    <property name="meta.shotcut.vui">1</property>
+    <filter id="filter32" in="00:09:55.120" out="00:10:15.840">
       <property name="background">color:#00000000</property>
       <property name="mlt_service">affine</property>
       <property name="shotcut:filter">affineSizePosition</property>
@@ -4797,14 +9461,14 @@
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     </filter>
   </chain>
-  <chain id="chain58" out="00:34:36.440">
-    <property name="length">00:34:36.480</property>
+  <chain id="chain131" out="00:33:28.720">
+    <property name="length">00:33:28.760</property>
     <property name="eof">pause</property>
-    <property name="resource">/Volumes/LaCie/GNU Taler films/ONLINE/tutorial-videos/original_media/merchant/order1/Screen Recording 2024-01-15 at 02.48.38.mov</property>
+    <property name="resource">/Volumes/LaCie/GNU Taler films/ONLINE/tutorial-videos/original_media/merchant/order1/Screen Recording 2024-01-22 at 04.02.43.mov</property>
     <property name="mlt_service">avformat-novalidate</property>
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     <property name="meta.media.0.stream.type">video</property>
-    <property name="meta.media.0.stream.frame_rate">37.955</property>
+    <property name="meta.media.0.stream.frame_rate">37.6514</property>
     <property name="meta.media.0.stream.sample_aspect_ratio">0</property>
     <property name="meta.media.0.codec.width">3456</property>
     <property name="meta.media.0.codec.height">2160</property>
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     <property name="meta.media.0.codec.long_name">H.264 / AVC / MPEG-4 AVC / MPEG-4 part 10</property>
-    <property name="meta.media.0.codec.bit_rate">24972958</property>
-    <property name="meta.attr.0.stream.creation_time.markup">2024-01-15T02:24:11.000000Z</property>
+    <property name="meta.media.0.codec.bit_rate">25741987</property>
+    <property name="meta.attr.0.stream.creation_time.markup">2024-01-22T03:04:03.000000Z</property>
     <property name="meta.attr.0.stream.handler_name.markup">Core Media Video</property>
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     <property name="meta.attr.0.stream.encoder.markup">H.264</property>
@@ -4826,24 +9490,24 @@
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     <property name="meta.media.1.codec.name">aac</property>
     <property name="meta.media.1.codec.long_name">AAC (Advanced Audio Coding)</property>
-    <property name="meta.media.1.codec.bit_rate">125820</property>
-    <property name="meta.attr.1.stream.creation_time.markup">2024-01-15T02:24:11.000000Z</property>
+    <property name="meta.media.1.codec.bit_rate">125731</property>
+    <property name="meta.attr.1.stream.creation_time.markup">2024-01-22T03:04:03.000000Z</property>
     <property name="meta.attr.1.stream.handler_name.markup">Core Media Audio</property>
     <property name="meta.attr.1.stream.vendor_id.markup">[0][0][0][0]</property>
     <property name="meta.attr.major_brand.markup">qt  </property>
     <property name="meta.attr.minor_version.markup">0</property>
     <property name="meta.attr.compatible_brands.markup">qt  </property>
-    <property name="meta.attr.creation_time.markup">2024-01-15T02:24:11.000000Z</property>
+    <property name="meta.attr.creation_time.markup">2024-01-22T03:04:03.000000Z</property>
     <property name="meta.attr.encoder.markup">Lavf60.16.100</property>
     <property name="seekable">1</property>
     <property name="meta.media.sample_aspect_num">1</property>
     <property name="meta.media.sample_aspect_den">1</property>
     <property name="audio_index">-1</property>
     <property name="video_index">0</property>
-    <property name="creation_time">2024-01-15T02:24:11</property>
+    <property name="creation_time">2024-01-22T03:04:03</property>
     <property name="vstream">0</property>
-    <property name="meta.media.frame_rate_num">4728780</property>
-    <property name="meta.media.frame_rate_den">124589</property>
+    <property name="meta.media.frame_rate_num">100868</property>
+    <property name="meta.media.frame_rate_den">2679</property>
     <property name="meta.media.colorspace">709</property>
     <property name="meta.media.color_trc">1</property>
     <property name="meta.media.has_b_frames">1</property>
@@ -4852,18 +9516,18 @@
     <property name="meta.media.aspect_ratio">1</property>
     <property name="meta.media.color_range">mpeg</property>
     <property name="astream">-1</property>
-    <property name="shotcut:hash">460b48940530c197dc6e411af3f9c8e1</property>
-    <property name="shotcut:caption">Screen Recording 2024-01-15 at 02.48.38.mov</property>
+    <property name="shotcut:hash">cc43bc6e55d30bec7a8aac8c39901bee</property>
+    <property name="shotcut:caption">Screen Recording 2024-01-22 at 04.02.43.mov</property>
     <property name="xml">was here</property>
     <property name="meta.media.top_field_first">0</property>
     <property name="meta.media.progressive">1</property>
-    <property name="meta.shotcut.vui">1</property>
+    <property name="shotcut:defaultAudioIndex">1</property>
     <property name="meta.attr.com.apple.quicktime.make.markup">Apple</property>
     <property name="meta.attr.com.apple.quicktime.model.markup">MacBookPro18,2</property>
     <property name="meta.attr.com.apple.quicktime.software.markup">macOS 14.2.1 (23C71)</property>
-    <property name="meta.attr.com.apple.quicktime.creationdate.markup">2024-01-15T02:48:48+0100</property>
-    <property name="shotcut:defaultAudioIndex">1</property>
-    <filter id="filter57" in="00:05:34.520" out="00:05:50.080">
+    <property name="meta.attr.com.apple.quicktime.creationdate.markup">2024-01-22T04:04:02+0100</property>
+    <property name="meta.shotcut.vui">1</property>
+    <filter id="filter33" in="00:10:16.320" out="00:10:34.040">
       <property name="background">color:#00000000</property>
       <property name="mlt_service">affine</property>
       <property name="shotcut:filter">affineSizePosition</property>
@@ -4878,14 +9542,14 @@
       <property name="transition.fix_rotate_x">0</property>
     </filter>
   </chain>
-  <chain id="chain59" out="00:34:36.440">
-    <property name="length">00:34:36.480</property>
+  <chain id="chain132" out="00:33:28.720">
+    <property name="length">00:33:28.760</property>
     <property name="eof">pause</property>
-    <property name="resource">/Volumes/LaCie/GNU Taler films/ONLINE/tutorial-videos/original_media/merchant/order1/Screen Recording 2024-01-15 at 02.48.38.mov</property>
+    <property name="resource">/Volumes/LaCie/GNU Taler films/ONLINE/tutorial-videos/original_media/merchant/order1/Screen Recording 2024-01-22 at 04.02.43.mov</property>
     <property name="mlt_service">avformat-novalidate</property>
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     <property name="meta.media.0.stream.type">video</property>
-    <property name="meta.media.0.stream.frame_rate">37.955</property>
+    <property name="meta.media.0.stream.frame_rate">37.6514</property>
     <property name="meta.media.0.stream.sample_aspect_ratio">0</property>
     <property name="meta.media.0.codec.width">3456</property>
     <property name="meta.media.0.codec.height">2160</property>
@@ -4896,8 +9560,8 @@
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     <property name="meta.media.0.codec.name">h264</property>
     <property name="meta.media.0.codec.long_name">H.264 / AVC / MPEG-4 AVC / MPEG-4 part 10</property>
-    <property name="meta.media.0.codec.bit_rate">24972958</property>
-    <property name="meta.attr.0.stream.creation_time.markup">2024-01-15T02:24:11.000000Z</property>
+    <property name="meta.media.0.codec.bit_rate">25741987</property>
+    <property name="meta.attr.0.stream.creation_time.markup">2024-01-22T03:04:03.000000Z</property>
     <property name="meta.attr.0.stream.handler_name.markup">Core Media Video</property>
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     <property name="meta.attr.0.stream.encoder.markup">H.264</property>
@@ -4907,24 +9571,24 @@
     <property name="meta.media.1.codec.channels">1</property>
     <property name="meta.media.1.codec.name">aac</property>
     <property name="meta.media.1.codec.long_name">AAC (Advanced Audio Coding)</property>
-    <property name="meta.media.1.codec.bit_rate">125820</property>
-    <property name="meta.attr.1.stream.creation_time.markup">2024-01-15T02:24:11.000000Z</property>
+    <property name="meta.media.1.codec.bit_rate">125731</property>
+    <property name="meta.attr.1.stream.creation_time.markup">2024-01-22T03:04:03.000000Z</property>
     <property name="meta.attr.1.stream.handler_name.markup">Core Media Audio</property>
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     <property name="meta.attr.major_brand.markup">qt  </property>
     <property name="meta.attr.minor_version.markup">0</property>
     <property name="meta.attr.compatible_brands.markup">qt  </property>
-    <property name="meta.attr.creation_time.markup">2024-01-15T02:24:11.000000Z</property>
+    <property name="meta.attr.creation_time.markup">2024-01-22T03:04:03.000000Z</property>
     <property name="meta.attr.encoder.markup">Lavf60.16.100</property>
     <property name="seekable">1</property>
     <property name="meta.media.sample_aspect_num">1</property>
     <property name="meta.media.sample_aspect_den">1</property>
     <property name="audio_index">-1</property>
     <property name="video_index">0</property>
-    <property name="creation_time">2024-01-15T02:24:11</property>
+    <property name="creation_time">2024-01-22T03:04:03</property>
     <property name="vstream">0</property>
-    <property name="meta.media.frame_rate_num">4728780</property>
-    <property name="meta.media.frame_rate_den">124589</property>
+    <property name="meta.media.frame_rate_num">100868</property>
+    <property name="meta.media.frame_rate_den">2679</property>
     <property name="meta.media.colorspace">709</property>
     <property name="meta.media.color_trc">1</property>
     <property name="meta.media.has_b_frames">1</property>
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     <property name="meta.media.aspect_ratio">1</property>
     <property name="meta.media.color_range">mpeg</property>
     <property name="astream">-1</property>
-    <property name="shotcut:hash">460b48940530c197dc6e411af3f9c8e1</property>
-    <property name="shotcut:caption">Screen Recording 2024-01-15 at 02.48.38.mov</property>
+    <property name="shotcut:hash">cc43bc6e55d30bec7a8aac8c39901bee</property>
+    <property name="shotcut:caption">Screen Recording 2024-01-22 at 04.02.43.mov</property>
     <property name="xml">was here</property>
     <property name="meta.media.top_field_first">0</property>
     <property name="meta.media.progressive">1</property>
-    <property name="meta.shotcut.vui">1</property>
+    <property name="shotcut:defaultAudioIndex">1</property>
     <property name="meta.attr.com.apple.quicktime.make.markup">Apple</property>
     <property name="meta.attr.com.apple.quicktime.model.markup">MacBookPro18,2</property>
     <property name="meta.attr.com.apple.quicktime.software.markup">macOS 14.2.1 (23C71)</property>
-    <property name="meta.attr.com.apple.quicktime.creationdate.markup">2024-01-15T02:48:48+0100</property>
+    <property name="meta.attr.com.apple.quicktime.creationdate.markup">2024-01-22T04:04:02+0100</property>
+    <property name="meta.shotcut.vui">1</property>
+    <filter id="filter34" in="00:10:34.080" out="00:10:39.400">
+      <property name="background">color:#00000000</property>
+      <property name="mlt_service">affine</property>
+      <property name="shotcut:filter">affineSizePosition</property>
+      <property name="transition.fill">1</property>
+      <property name="transition.distort">0</property>
+      <property name="transition.rect">-1554.78 -108 3505.01 2264 1</property>
+      <property name="transition.valign">middle</property>
+      <property name="transition.halign">center</property>
+      <property name="shotcut:animIn">00:00:00.000</property>
+      <property name="shotcut:animOut">00:00:00.000</property>
+      <property name="transition.threads">0</property>
+      <property name="transition.fix_rotate_x">0</property>
+    </filter>
+  </chain>
+  <chain id="chain133" out="00:33:28.720">
+    <property name="length">00:33:28.760</property>
+    <property name="eof">pause</property>
+    <property name="resource">/Volumes/LaCie/GNU Taler films/ONLINE/tutorial-videos/original_media/merchant/order1/Screen Recording 2024-01-22 at 04.02.43.mov</property>
+    <property name="mlt_service">avformat-novalidate</property>
+    <property name="meta.media.nb_streams">2</property>
+    <property name="meta.media.0.stream.type">video</property>
+    <property name="meta.media.0.stream.frame_rate">37.6514</property>
+    <property name="meta.media.0.stream.sample_aspect_ratio">0</property>
+    <property name="meta.media.0.codec.width">3456</property>
+    <property name="meta.media.0.codec.height">2160</property>
+    <property name="meta.media.0.codec.rotate">0</property>
+    <property name="meta.media.0.codec.pix_fmt">yuv420p</property>
+    <property name="meta.media.0.codec.sample_aspect_ratio">0</property>
+    <property name="meta.media.0.codec.colorspace">709</property>
+    <property name="meta.media.0.codec.color_trc">1</property>
+    <property name="meta.media.0.codec.name">h264</property>
+    <property name="meta.media.0.codec.long_name">H.264 / AVC / MPEG-4 AVC / MPEG-4 part 10</property>
+    <property name="meta.media.0.codec.bit_rate">25741987</property>
+    <property name="meta.attr.0.stream.creation_time.markup">2024-01-22T03:04:03.000000Z</property>
+    <property name="meta.attr.0.stream.handler_name.markup">Core Media Video</property>
+    <property name="meta.attr.0.stream.vendor_id.markup">[0][0][0][0]</property>
+    <property name="meta.attr.0.stream.encoder.markup">H.264</property>
+    <property name="meta.media.1.stream.type">audio</property>
+    <property name="meta.media.1.codec.sample_fmt">fltp</property>
+    <property name="meta.media.1.codec.sample_rate">44100</property>
+    <property name="meta.media.1.codec.channels">1</property>
+    <property name="meta.media.1.codec.name">aac</property>
+    <property name="meta.media.1.codec.long_name">AAC (Advanced Audio Coding)</property>
+    <property name="meta.media.1.codec.bit_rate">125731</property>
+    <property name="meta.attr.1.stream.creation_time.markup">2024-01-22T03:04:03.000000Z</property>
+    <property name="meta.attr.1.stream.handler_name.markup">Core Media Audio</property>
+    <property name="meta.attr.1.stream.vendor_id.markup">[0][0][0][0]</property>
+    <property name="meta.attr.major_brand.markup">qt  </property>
+    <property name="meta.attr.minor_version.markup">0</property>
+    <property name="meta.attr.compatible_brands.markup">qt  </property>
+    <property name="meta.attr.creation_time.markup">2024-01-22T03:04:03.000000Z</property>
+    <property name="meta.attr.encoder.markup">Lavf60.16.100</property>
+    <property name="seekable">1</property>
+    <property name="meta.media.sample_aspect_num">1</property>
+    <property name="meta.media.sample_aspect_den">1</property>
+    <property name="audio_index">-1</property>
+    <property name="video_index">0</property>
+    <property name="creation_time">2024-01-22T03:04:03</property>
+    <property name="vstream">0</property>
+    <property name="meta.media.frame_rate_num">100868</property>
+    <property name="meta.media.frame_rate_den">2679</property>
+    <property name="meta.media.colorspace">709</property>
+    <property name="meta.media.color_trc">1</property>
+    <property name="meta.media.has_b_frames">1</property>
+    <property name="meta.media.width">3456</property>
+    <property name="meta.media.height">2160</property>
+    <property name="meta.media.aspect_ratio">1</property>
+    <property name="meta.media.color_range">mpeg</property>
+    <property name="astream">-1</property>
+    <property name="shotcut:hash">cc43bc6e55d30bec7a8aac8c39901bee</property>
+    <property name="shotcut:caption">Screen Recording 2024-01-22 at 04.02.43.mov</property>
+    <property name="xml">was here</property>
+    <property name="meta.media.top_field_first">0</property>
+    <property name="meta.media.progressive">1</property>
     <property name="shotcut:defaultAudioIndex">1</property>
-    <filter id="filter58" in="00:05:51.040" out="00:05:54.720">
+    <property name="meta.attr.com.apple.quicktime.make.markup">Apple</property>
+    <property name="meta.attr.com.apple.quicktime.model.markup">MacBookPro18,2</property>
+    <property name="meta.attr.com.apple.quicktime.software.markup">macOS 14.2.1 (23C71)</property>
+    <property name="meta.attr.com.apple.quicktime.creationdate.markup">2024-01-22T04:04:02+0100</property>
+    <property name="meta.shotcut.vui">1</property>
+    <filter id="filter35" in="00:10:57.720" out="00:11:03.120">
       <property name="background">color:#00000000</property>
       <property name="mlt_service">affine</property>
       <property name="shotcut:filter">affineSizePosition</property>
       <property name="transition.fill">1</property>
       <property name="transition.distort">0</property>
-      <property name="transition.rect">-1000 -118 3622.4 2264 1</property>
+      <property name="transition.rect">-1554.78 -108 3505.01 2264 1</property>
       <property name="transition.valign">middle</property>
       <property name="transition.halign">center</property>
       <property name="shotcut:animIn">00:00:00.000</property>
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       <property name="transition.fix_rotate_x">0</property>
     </filter>
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-  <tractor id="tractor2" in="00:00:00.000" out="00:00:00.000">
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-    <track producer="chain58" in="00:05:50.080" out="00:05:50.080"/>
-    <track producer="chain59" in="00:05:51.040" out="00:05:51.040"/>
-    <transition id="transition4">
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-      <property name="b_track">1</property>
-      <property name="factory">loader</property>
-      <property name="mlt_service">luma</property>
-      <property name="alpha_over">1</property>
-      <property name="fix_background_alpha">1</property>
-    </transition>
-    <transition id="transition5">
-      <property name="a_track">0</property>
-      <property name="b_track">1</property>
-      <property name="mlt_service">mix</property>
-      <property name="start">-1</property>
-      <property name="accepts_blanks">1</property>
-    </transition>
-  </tractor>
-  <chain id="chain60" out="00:34:36.440">
-    <property name="length">00:34:36.480</property>
+  <chain id="chain134" out="00:33:28.720">
+    <property name="length">00:33:28.760</property>
     <property name="eof">pause</property>
-    <property name="resource">/Volumes/LaCie/GNU Taler films/ONLINE/tutorial-videos/original_media/merchant/order1/Screen Recording 2024-01-15 at 02.48.38.mov</property>
+    <property name="resource">/Volumes/LaCie/GNU Taler films/ONLINE/tutorial-videos/original_media/merchant/order1/Screen Recording 2024-01-22 at 04.02.43.mov</property>
     <property name="mlt_service">avformat-novalidate</property>
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     <property name="meta.media.0.stream.type">video</property>
-    <property name="meta.media.0.stream.frame_rate">37.955</property>
+    <property name="meta.media.0.stream.frame_rate">37.6514</property>
     <property name="meta.media.0.stream.sample_aspect_ratio">0</property>
     <property name="meta.media.0.codec.width">3456</property>
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-    <property name="meta.media.0.codec.bit_rate">24972958</property>
-    <property name="meta.attr.0.stream.creation_time.markup">2024-01-15T02:24:11.000000Z</property>
+    <property name="meta.media.0.codec.bit_rate">25741987</property>
+    <property name="meta.attr.0.stream.creation_time.markup">2024-01-22T03:04:03.000000Z</property>
     <property name="meta.attr.0.stream.handler_name.markup">Core Media Video</property>
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@@ -5008,24 +9733,24 @@
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     <property name="meta.media.1.codec.long_name">AAC (Advanced Audio Coding)</property>
-    <property name="meta.media.1.codec.bit_rate">125820</property>
-    <property name="meta.attr.1.stream.creation_time.markup">2024-01-15T02:24:11.000000Z</property>
+    <property name="meta.media.1.codec.bit_rate">125731</property>
+    <property name="meta.attr.1.stream.creation_time.markup">2024-01-22T03:04:03.000000Z</property>
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     <property name="meta.attr.compatible_brands.markup">qt  </property>
-    <property name="meta.attr.creation_time.markup">2024-01-15T02:24:11.000000Z</property>
+    <property name="meta.attr.creation_time.markup">2024-01-22T03:04:03.000000Z</property>
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     <property name="seekable">1</property>
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     <property name="video_index">0</property>
-    <property name="creation_time">2024-01-15T02:24:11</property>
+    <property name="creation_time">2024-01-22T03:04:03</property>
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-    <property name="meta.media.frame_rate_num">4728780</property>
-    <property name="meta.media.frame_rate_den">124589</property>
+    <property name="meta.media.frame_rate_num">100868</property>
+    <property name="meta.media.frame_rate_den">2679</property>
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-    <property name="shotcut:caption">Screen Recording 2024-01-15 at 02.48.38.mov</property>
+    <property name="shotcut:hash">cc43bc6e55d30bec7a8aac8c39901bee</property>
+    <property name="shotcut:caption">Screen Recording 2024-01-22 at 04.02.43.mov</property>
     <property name="xml">was here</property>
     <property name="meta.media.top_field_first">0</property>
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+    <property name="shotcut:defaultAudioIndex">1</property>
     <property name="meta.shotcut.vui">1</property>
     <property name="meta.attr.com.apple.quicktime.make.markup">Apple</property>
     <property name="meta.attr.com.apple.quicktime.model.markup">MacBookPro18,2</property>
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-    <property name="meta.attr.com.apple.quicktime.creationdate.markup">2024-01-15T02:48:48+0100</property>
+    <property name="meta.attr.com.apple.quicktime.creationdate.markup">2024-01-22T04:04:02+0100</property>
+    <filter id="filter36" in="00:11:03.760" out="00:11:05.560">
+      <property name="background">color:#00000000</property>
+      <property name="mlt_service">affine</property>
+      <property name="shotcut:filter">affineSizePosition</property>
+      <property name="transition.fill">1</property>
+      <property name="transition.distort">0</property>
+      <property name="transition.rect">-1554.78 -108 3505.01 2264 1</property>
+      <property name="transition.valign">middle</property>
+      <property name="transition.halign">center</property>
+      <property name="shotcut:animIn">00:00:00.000</property>
+      <property name="shotcut:animOut">00:00:00.000</property>
+      <property name="transition.threads">0</property>
+      <property name="transition.fix_rotate_x">0</property>
+    </filter>
+  </chain>
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+    <property name="length">00:33:28.760</property>
+    <property name="eof">pause</property>
+    <property name="resource">/Volumes/LaCie/GNU Taler films/ONLINE/tutorial-videos/original_media/merchant/order1/Screen Recording 2024-01-22 at 04.02.43.mov</property>
+    <property name="mlt_service">avformat-novalidate</property>
+    <property name="meta.media.nb_streams">2</property>
+    <property name="meta.media.0.stream.type">video</property>
+    <property name="meta.media.0.stream.frame_rate">37.6514</property>
+    <property name="meta.media.0.stream.sample_aspect_ratio">0</property>
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+    <property name="meta.media.0.codec.height">2160</property>
+    <property name="meta.media.0.codec.rotate">0</property>
+    <property name="meta.media.0.codec.pix_fmt">yuv420p</property>
+    <property name="meta.media.0.codec.sample_aspect_ratio">0</property>
+    <property name="meta.media.0.codec.colorspace">709</property>
+    <property name="meta.media.0.codec.color_trc">1</property>
+    <property name="meta.media.0.codec.name">h264</property>
+    <property name="meta.media.0.codec.long_name">H.264 / AVC / MPEG-4 AVC / MPEG-4 part 10</property>
+    <property name="meta.media.0.codec.bit_rate">25741987</property>
+    <property name="meta.attr.0.stream.creation_time.markup">2024-01-22T03:04:03.000000Z</property>
+    <property name="meta.attr.0.stream.handler_name.markup">Core Media Video</property>
+    <property name="meta.attr.0.stream.vendor_id.markup">[0][0][0][0]</property>
+    <property name="meta.attr.0.stream.encoder.markup">H.264</property>
+    <property name="meta.media.1.stream.type">audio</property>
+    <property name="meta.media.1.codec.sample_fmt">fltp</property>
+    <property name="meta.media.1.codec.sample_rate">44100</property>
+    <property name="meta.media.1.codec.channels">1</property>
+    <property name="meta.media.1.codec.name">aac</property>
+    <property name="meta.media.1.codec.long_name">AAC (Advanced Audio Coding)</property>
+    <property name="meta.media.1.codec.bit_rate">125731</property>
+    <property name="meta.attr.1.stream.creation_time.markup">2024-01-22T03:04:03.000000Z</property>
+    <property name="meta.attr.1.stream.handler_name.markup">Core Media Audio</property>
+    <property name="meta.attr.1.stream.vendor_id.markup">[0][0][0][0]</property>
+    <property name="meta.attr.major_brand.markup">qt  </property>
+    <property name="meta.attr.minor_version.markup">0</property>
+    <property name="meta.attr.compatible_brands.markup">qt  </property>
+    <property name="meta.attr.creation_time.markup">2024-01-22T03:04:03.000000Z</property>
+    <property name="meta.attr.encoder.markup">Lavf60.16.100</property>
+    <property name="seekable">1</property>
+    <property name="meta.media.sample_aspect_num">1</property>
+    <property name="meta.media.sample_aspect_den">1</property>
+    <property name="audio_index">-1</property>
+    <property name="video_index">0</property>
+    <property name="creation_time">2024-01-22T03:04:03</property>
+    <property name="vstream">0</property>
+    <property name="meta.media.frame_rate_num">100868</property>
+    <property name="meta.media.frame_rate_den">2679</property>
+    <property name="meta.media.colorspace">709</property>
+    <property name="meta.media.color_trc">1</property>
+    <property name="meta.media.has_b_frames">1</property>
+    <property name="meta.media.width">3456</property>
+    <property name="meta.media.height">2160</property>
+    <property name="meta.media.aspect_ratio">1</property>
+    <property name="meta.media.color_range">mpeg</property>
+    <property name="astream">-1</property>
+    <property name="shotcut:hash">cc43bc6e55d30bec7a8aac8c39901bee</property>
+    <property name="shotcut:caption">Screen Recording 2024-01-22 at 04.02.43.mov</property>
+    <property name="xml">was here</property>
+    <property name="meta.media.top_field_first">0</property>
+    <property name="meta.media.progressive">1</property>
     <property name="shotcut:defaultAudioIndex">1</property>
-    <filter id="filter59" in="00:06:05.680" out="00:06:31.080">
+    <property name="meta.attr.com.apple.quicktime.make.markup">Apple</property>
+    <property name="meta.attr.com.apple.quicktime.model.markup">MacBookPro18,2</property>
+    <property name="meta.attr.com.apple.quicktime.software.markup">macOS 14.2.1 (23C71)</property>
+    <property name="meta.attr.com.apple.quicktime.creationdate.markup">2024-01-22T04:04:02+0100</property>
+    <property name="meta.shotcut.vui">1</property>
+    <filter id="filter37" in="00:11:37.200" out="00:11:46.200">
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       <property name="mlt_service">affine</property>
       <property name="shotcut:filter">affineSizePosition</property>
       <property name="transition.fill">1</property>
       <property name="transition.distort">0</property>
-      <property name="transition.rect">-1000 -118 3622.4 2264 1</property>
+      <property name="transition.rect">-255.585 -72 2456.86 1535.54 1</property>
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       <property name="transition.halign">center</property>
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-    <property name="length">00:34:36.480</property>
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-    <property name="resource">/Volumes/LaCie/GNU Taler films/ONLINE/tutorial-videos/original_media/merchant/order1/Screen Recording 2024-01-15 at 02.48.38.mov</property>
+    <property name="resource">/Volumes/LaCie/GNU Taler films/ONLINE/tutorial-videos/original_media/merchant/order1/Screen Recording 2024-01-22 at 04.02.43.mov</property>
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     <property name="meta.media.0.stream.type">video</property>
-    <property name="meta.media.0.stream.frame_rate">37.955</property>
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-    <property name="meta.media.0.codec.bit_rate">24972958</property>
-    <property name="meta.attr.0.stream.creation_time.markup">2024-01-15T02:24:11.000000Z</property>
+    <property name="meta.media.0.codec.bit_rate">25741987</property>
+    <property name="meta.attr.0.stream.creation_time.markup">2024-01-22T03:04:03.000000Z</property>
     <property name="meta.attr.0.stream.handler_name.markup">Core Media Video</property>
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     <property name="meta.media.1.codec.name">aac</property>
     <property name="meta.media.1.codec.long_name">AAC (Advanced Audio Coding)</property>
-    <property name="meta.media.1.codec.bit_rate">125820</property>
-    <property name="meta.attr.1.stream.creation_time.markup">2024-01-15T02:24:11.000000Z</property>
+    <property name="meta.media.1.codec.bit_rate">125731</property>
+    <property name="meta.attr.1.stream.creation_time.markup">2024-01-22T03:04:03.000000Z</property>
     <property name="meta.attr.1.stream.handler_name.markup">Core Media Audio</property>
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     <property name="meta.attr.compatible_brands.markup">qt  </property>
-    <property name="meta.attr.creation_time.markup">2024-01-15T02:24:11.000000Z</property>
+    <property name="meta.attr.creation_time.markup">2024-01-22T03:04:03.000000Z</property>
     <property name="meta.attr.encoder.markup">Lavf60.16.100</property>
     <property name="seekable">1</property>
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     <property name="audio_index">-1</property>
     <property name="video_index">0</property>
-    <property name="creation_time">2024-01-15T02:24:11</property>
+    <property name="creation_time">2024-01-22T03:04:03</property>
     <property name="vstream">0</property>
-    <property name="meta.media.frame_rate_num">4728780</property>
-    <property name="meta.media.frame_rate_den">124589</property>
+    <property name="meta.media.frame_rate_num">100868</property>
+    <property name="meta.media.frame_rate_den">2679</property>
     <property name="meta.media.colorspace">709</property>
     <property name="meta.media.color_trc">1</property>
     <property name="meta.media.has_b_frames">1</property>
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     <property name="meta.media.color_range">mpeg</property>
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-    <property name="shotcut:hash">460b48940530c197dc6e411af3f9c8e1</property>
-    <property name="shotcut:caption">Screen Recording 2024-01-15 at 02.48.38.mov</property>
+    <property name="shotcut:hash">cc43bc6e55d30bec7a8aac8c39901bee</property>
+    <property name="shotcut:caption">Screen Recording 2024-01-22 at 04.02.43.mov</property>
     <property name="xml">was here</property>
     <property name="meta.media.top_field_first">0</property>
     <property name="meta.media.progressive">1</property>
+    <property name="shotcut:defaultAudioIndex">1</property>
     <property name="meta.shotcut.vui">1</property>
     <property name="meta.attr.com.apple.quicktime.make.markup">Apple</property>
     <property name="meta.attr.com.apple.quicktime.model.markup">MacBookPro18,2</property>
     <property name="meta.attr.com.apple.quicktime.software.markup">macOS 14.2.1 (23C71)</property>
-    <property name="meta.attr.com.apple.quicktime.creationdate.markup">2024-01-15T02:48:48+0100</property>
-    <property name="shotcut:defaultAudioIndex">1</property>
-    <filter id="filter60" in="00:07:00.800" out="00:07:10.080">
+    <property name="meta.attr.com.apple.quicktime.creationdate.markup">2024-01-22T04:04:02+0100</property>
+    <filter id="filter38" in="00:11:46.680" out="00:11:53.520">
       <property name="background">color:#00000000</property>
       <property name="mlt_service">affine</property>
       <property name="shotcut:filter">affineSizePosition</property>
       <property name="transition.fill">1</property>
       <property name="transition.distort">0</property>
-      <property name="transition.rect">-1000 -118 3622.4 2264 1</property>
+      <property name="transition.rect">-255.585 -72 2456.86 1535.54 1</property>
       <property name="transition.valign">middle</property>
       <property name="transition.halign">center</property>
       <property name="shotcut:animIn">00:00:00.000</property>
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-    <property name="length">00:34:36.480</property>
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+    <property name="length">00:33:28.760</property>
     <property name="eof">pause</property>
-    <property name="resource">/Volumes/LaCie/GNU Taler films/ONLINE/tutorial-videos/original_media/merchant/order1/Screen Recording 2024-01-15 at 02.48.38.mov</property>
+    <property name="resource">/Volumes/LaCie/GNU Taler films/ONLINE/tutorial-videos/original_media/merchant/order1/Screen Recording 2024-01-22 at 04.02.43.mov</property>
     <property name="mlt_service">avformat-novalidate</property>
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     <property name="meta.media.0.stream.type">video</property>
-    <property name="meta.media.0.stream.frame_rate">37.955</property>
+    <property name="meta.media.0.stream.frame_rate">37.6514</property>
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-    <property name="meta.attr.0.stream.creation_time.markup">2024-01-15T02:24:11.000000Z</property>
+    <property name="meta.media.0.codec.bit_rate">25741987</property>
+    <property name="meta.attr.0.stream.creation_time.markup">2024-01-22T03:04:03.000000Z</property>
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-    <property name="meta.attr.1.stream.creation_time.markup">2024-01-15T02:24:11.000000Z</property>
+    <property name="meta.media.1.codec.bit_rate">125731</property>
+    <property name="meta.attr.1.stream.creation_time.markup">2024-01-22T03:04:03.000000Z</property>
     <property name="meta.attr.1.stream.handler_name.markup">Core Media Audio</property>
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     <property name="meta.attr.compatible_brands.markup">qt  </property>
-    <property name="meta.attr.creation_time.markup">2024-01-15T02:24:11.000000Z</property>
+    <property name="meta.attr.creation_time.markup">2024-01-22T03:04:03.000000Z</property>
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     <property name="seekable">1</property>
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-    <property name="creation_time">2024-01-15T02:24:11</property>
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-    <property name="meta.media.frame_rate_num">4728780</property>
-    <property name="meta.media.frame_rate_den">124589</property>
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+    <property name="meta.media.frame_rate_den">2679</property>
     <property name="meta.media.colorspace">709</property>
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-    <property name="shotcut:caption">Screen Recording 2024-01-15 at 02.48.38.mov</property>
+    <property name="shotcut:hash">cc43bc6e55d30bec7a8aac8c39901bee</property>
+    <property name="shotcut:caption">Screen Recording 2024-01-22 at 04.02.43.mov</property>
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     <property name="meta.media.top_field_first">0</property>
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     <property name="meta.shotcut.vui">1</property>
     <property name="meta.attr.com.apple.quicktime.make.markup">Apple</property>
     <property name="meta.attr.com.apple.quicktime.model.markup">MacBookPro18,2</property>
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-    <property name="shotcut:defaultAudioIndex">1</property>
-    <filter id="filter61" in="00:07:12.960" out="00:07:32.960">
+    <property name="meta.attr.com.apple.quicktime.creationdate.markup">2024-01-22T04:04:02+0100</property>
+    <filter id="filter39" in="00:11:54.840" out="00:11:56.440">
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     <property name="meta.media.0.codec.long_name">H.264 / AVC / MPEG-4 AVC / MPEG-4 part 10</property>
-    <property name="meta.media.0.codec.bit_rate">24972958</property>
-    <property name="meta.attr.0.stream.creation_time.markup">2024-01-15T02:24:11.000000Z</property>
+    <property name="meta.media.0.codec.bit_rate">25741987</property>
+    <property name="meta.attr.0.stream.creation_time.markup">2024-01-22T03:04:03.000000Z</property>
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     <property name="meta.media.1.codec.name">aac</property>
     <property name="meta.media.1.codec.long_name">AAC (Advanced Audio Coding)</property>
-    <property name="meta.media.1.codec.bit_rate">125820</property>
-    <property name="meta.attr.1.stream.creation_time.markup">2024-01-15T02:24:11.000000Z</property>
+    <property name="meta.media.1.codec.bit_rate">125731</property>
+    <property name="meta.attr.1.stream.creation_time.markup">2024-01-22T03:04:03.000000Z</property>
     <property name="meta.attr.1.stream.handler_name.markup">Core Media Audio</property>
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     <property name="meta.attr.compatible_brands.markup">qt  </property>
-    <property name="meta.attr.creation_time.markup">2024-01-15T02:24:11.000000Z</property>
+    <property name="meta.attr.creation_time.markup">2024-01-22T03:04:03.000000Z</property>
     <property name="meta.attr.encoder.markup">Lavf60.16.100</property>
     <property name="seekable">1</property>
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     <property name="audio_index">-1</property>
     <property name="video_index">0</property>
-    <property name="creation_time">2024-01-15T02:24:11</property>
+    <property name="creation_time">2024-01-22T03:04:03</property>
     <property name="vstream">0</property>
-    <property name="meta.media.frame_rate_num">4728780</property>
-    <property name="meta.media.frame_rate_den">124589</property>
+    <property name="meta.media.frame_rate_num">100868</property>
+    <property name="meta.media.frame_rate_den">2679</property>
     <property name="meta.media.colorspace">709</property>
     <property name="meta.media.color_trc">1</property>
     <property name="meta.media.has_b_frames">1</property>
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     <property name="meta.media.color_range">mpeg</property>
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-    <property name="shotcut:hash">460b48940530c197dc6e411af3f9c8e1</property>
-    <property name="shotcut:caption">Screen Recording 2024-01-15 at 02.48.38.mov</property>
+    <property name="shotcut:hash">cc43bc6e55d30bec7a8aac8c39901bee</property>
+    <property name="shotcut:caption">Screen Recording 2024-01-22 at 04.02.43.mov</property>
     <property name="xml">was here</property>
     <property name="meta.media.top_field_first">0</property>
     <property name="meta.media.progressive">1</property>
+    <property name="shotcut:defaultAudioIndex">1</property>
     <property name="meta.shotcut.vui">1</property>
     <property name="meta.attr.com.apple.quicktime.make.markup">Apple</property>
     <property name="meta.attr.com.apple.quicktime.model.markup">MacBookPro18,2</property>
     <property name="meta.attr.com.apple.quicktime.software.markup">macOS 14.2.1 (23C71)</property>
-    <property name="meta.attr.com.apple.quicktime.creationdate.markup">2024-01-15T02:48:48+0100</property>
-    <property name="shotcut:defaultAudioIndex">1</property>
-    <filter id="filter62" in="00:09:05.560" out="00:09:19.000">
+    <property name="meta.attr.com.apple.quicktime.creationdate.markup">2024-01-22T04:04:02+0100</property>
+    <filter id="filter40" in="00:12:07.760" out="00:12:10.360">
       <property name="background">color:#00000000</property>
       <property name="mlt_service">affine</property>
       <property name="shotcut:filter">affineSizePosition</property>
       <property name="transition.fill">1</property>
       <property name="transition.distort">0</property>
-      <property name="transition.rect">-1000 -118 3622.4 2264 1</property>
+      <property name="transition.rect">-255.585 -72 2456.86 1535.54 1</property>
       <property name="transition.valign">middle</property>
       <property name="transition.halign">center</property>
       <property name="shotcut:animIn">00:00:00.000</property>
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     </filter>
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-  <chain id="chain64" out="00:34:36.440">
-    <property name="length">00:34:36.480</property>
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+    <property name="length">00:33:28.760</property>
     <property name="eof">pause</property>
-    <property name="resource">/Volumes/LaCie/GNU Taler films/ONLINE/tutorial-videos/original_media/merchant/order1/Screen Recording 2024-01-15 at 02.48.38.mov</property>
+    <property name="resource">/Volumes/LaCie/GNU Taler films/ONLINE/tutorial-videos/original_media/merchant/order1/Screen Recording 2024-01-22 at 04.02.43.mov</property>
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     <property name="meta.media.0.stream.type">video</property>
-    <property name="meta.media.0.stream.frame_rate">37.955</property>
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     <property name="meta.media.0.codec.long_name">H.264 / AVC / MPEG-4 AVC / MPEG-4 part 10</property>
-    <property name="meta.media.0.codec.bit_rate">24972958</property>
-    <property name="meta.attr.0.stream.creation_time.markup">2024-01-15T02:24:11.000000Z</property>
+    <property name="meta.media.0.codec.bit_rate">25741987</property>
+    <property name="meta.attr.0.stream.creation_time.markup">2024-01-22T03:04:03.000000Z</property>
     <property name="meta.attr.0.stream.handler_name.markup">Core Media Video</property>
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     <property name="meta.media.1.codec.name">aac</property>
     <property name="meta.media.1.codec.long_name">AAC (Advanced Audio Coding)</property>
-    <property name="meta.media.1.codec.bit_rate">125820</property>
-    <property name="meta.attr.1.stream.creation_time.markup">2024-01-15T02:24:11.000000Z</property>
+    <property name="meta.media.1.codec.bit_rate">125731</property>
+    <property name="meta.attr.1.stream.creation_time.markup">2024-01-22T03:04:03.000000Z</property>
     <property name="meta.attr.1.stream.handler_name.markup">Core Media Audio</property>
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     <property name="meta.attr.compatible_brands.markup">qt  </property>
-    <property name="meta.attr.creation_time.markup">2024-01-15T02:24:11.000000Z</property>
+    <property name="meta.attr.creation_time.markup">2024-01-22T03:04:03.000000Z</property>
     <property name="meta.attr.encoder.markup">Lavf60.16.100</property>
     <property name="seekable">1</property>
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     <property name="audio_index">-1</property>
     <property name="video_index">0</property>
-    <property name="creation_time">2024-01-15T02:24:11</property>
+    <property name="creation_time">2024-01-22T03:04:03</property>
     <property name="vstream">0</property>
-    <property name="meta.media.frame_rate_num">4728780</property>
-    <property name="meta.media.frame_rate_den">124589</property>
+    <property name="meta.media.frame_rate_num">100868</property>
+    <property name="meta.media.frame_rate_den">2679</property>
     <property name="meta.media.colorspace">709</property>
     <property name="meta.media.color_trc">1</property>
     <property name="meta.media.has_b_frames">1</property>
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     <property name="meta.media.color_range">mpeg</property>
     <property name="astream">-1</property>
-    <property name="shotcut:hash">460b48940530c197dc6e411af3f9c8e1</property>
-    <property name="shotcut:caption">Screen Recording 2024-01-15 at 02.48.38.mov</property>
+    <property name="shotcut:hash">cc43bc6e55d30bec7a8aac8c39901bee</property>
+    <property name="shotcut:caption">Screen Recording 2024-01-22 at 04.02.43.mov</property>
     <property name="xml">was here</property>
     <property name="meta.media.top_field_first">0</property>
     <property name="meta.media.progressive">1</property>
+    <property name="shotcut:defaultAudioIndex">1</property>
     <property name="meta.shotcut.vui">1</property>
     <property name="meta.attr.com.apple.quicktime.make.markup">Apple</property>
     <property name="meta.attr.com.apple.quicktime.model.markup">MacBookPro18,2</property>
     <property name="meta.attr.com.apple.quicktime.software.markup">macOS 14.2.1 (23C71)</property>
-    <property name="meta.attr.com.apple.quicktime.creationdate.markup">2024-01-15T02:48:48+0100</property>
-    <property name="shotcut:defaultAudioIndex">1</property>
-    <filter id="filter63" in="00:09:20.320" out="00:09:27.160">
+    <property name="meta.attr.com.apple.quicktime.creationdate.markup">2024-01-22T04:04:02+0100</property>
+    <filter id="filter41" in="00:12:18.040" out="00:12:25.960">
       <property name="background">color:#00000000</property>
       <property name="mlt_service">affine</property>
       <property name="shotcut:filter">affineSizePosition</property>
       <property name="transition.fill">1</property>
       <property name="transition.distort">0</property>
-      <property name="transition.rect">-1000 -118 3622.4 2264 1</property>
+      <property name="transition.rect">-255.585 -72 2456.86 1535.54 1</property>
       <property name="transition.valign">middle</property>
       <property name="transition.halign">center</property>
       <property name="shotcut:animIn">00:00:00.000</property>
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     </filter>
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-  <chain id="chain65" out="00:34:36.440">
-    <property name="length">00:34:36.480</property>
+  <chain id="chain140" out="00:33:28.720">
+    <property name="length">00:33:28.760</property>
     <property name="eof">pause</property>
-    <property name="resource">/Volumes/LaCie/GNU Taler films/ONLINE/tutorial-videos/original_media/merchant/order1/Screen Recording 2024-01-15 at 02.48.38.mov</property>
+    <property name="resource">/Volumes/LaCie/GNU Taler films/ONLINE/tutorial-videos/original_media/merchant/order1/Screen Recording 2024-01-22 at 04.02.43.mov</property>
     <property name="mlt_service">avformat-novalidate</property>
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     <property name="meta.media.0.stream.type">video</property>
-    <property name="meta.media.0.stream.frame_rate">37.955</property>
+    <property name="meta.media.0.stream.frame_rate">37.6514</property>
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     <property name="meta.media.0.codec.width">3456</property>
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     <property name="meta.media.0.codec.long_name">H.264 / AVC / MPEG-4 AVC / MPEG-4 part 10</property>
-    <property name="meta.media.0.codec.bit_rate">24972958</property>
-    <property name="meta.attr.0.stream.creation_time.markup">2024-01-15T02:24:11.000000Z</property>
+    <property name="meta.media.0.codec.bit_rate">25741987</property>
+    <property name="meta.attr.0.stream.creation_time.markup">2024-01-22T03:04:03.000000Z</property>
     <property name="meta.attr.0.stream.handler_name.markup">Core Media Video</property>
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     <property name="meta.attr.0.stream.encoder.markup">H.264</property>
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     <property name="meta.media.1.codec.name">aac</property>
     <property name="meta.media.1.codec.long_name">AAC (Advanced Audio Coding)</property>
-    <property name="meta.media.1.codec.bit_rate">125820</property>
-    <property name="meta.attr.1.stream.creation_time.markup">2024-01-15T02:24:11.000000Z</property>
+    <property name="meta.media.1.codec.bit_rate">125731</property>
+    <property name="meta.attr.1.stream.creation_time.markup">2024-01-22T03:04:03.000000Z</property>
     <property name="meta.attr.1.stream.handler_name.markup">Core Media Audio</property>
     <property name="meta.attr.1.stream.vendor_id.markup">[0][0][0][0]</property>
     <property name="meta.attr.major_brand.markup">qt  </property>
     <property name="meta.attr.minor_version.markup">0</property>
     <property name="meta.attr.compatible_brands.markup">qt  </property>
-    <property name="meta.attr.creation_time.markup">2024-01-15T02:24:11.000000Z</property>
+    <property name="meta.attr.creation_time.markup">2024-01-22T03:04:03.000000Z</property>
     <property name="meta.attr.encoder.markup">Lavf60.16.100</property>
     <property name="seekable">1</property>
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     <property name="audio_index">-1</property>
     <property name="video_index">0</property>
-    <property name="creation_time">2024-01-15T02:24:11</property>
+    <property name="creation_time">2024-01-22T03:04:03</property>
     <property name="vstream">0</property>
-    <property name="meta.media.frame_rate_num">4728780</property>
-    <property name="meta.media.frame_rate_den">124589</property>
+    <property name="meta.media.frame_rate_num">100868</property>
+    <property name="meta.media.frame_rate_den">2679</property>
     <property name="meta.media.colorspace">709</property>
     <property name="meta.media.color_trc">1</property>
     <property name="meta.media.has_b_frames">1</property>
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     <property name="meta.media.color_range">mpeg</property>
     <property name="astream">-1</property>
-    <property name="shotcut:hash">460b48940530c197dc6e411af3f9c8e1</property>
-    <property name="shotcut:caption">Screen Recording 2024-01-15 at 02.48.38.mov</property>
+    <property name="shotcut:hash">cc43bc6e55d30bec7a8aac8c39901bee</property>
+    <property name="shotcut:caption">Screen Recording 2024-01-22 at 04.02.43.mov</property>
     <property name="xml">was here</property>
     <property name="meta.media.top_field_first">0</property>
     <property name="meta.media.progressive">1</property>
+    <property name="shotcut:defaultAudioIndex">1</property>
     <property name="meta.shotcut.vui">1</property>
     <property name="meta.attr.com.apple.quicktime.make.markup">Apple</property>
     <property name="meta.attr.com.apple.quicktime.model.markup">MacBookPro18,2</property>
     <property name="meta.attr.com.apple.quicktime.software.markup">macOS 14.2.1 (23C71)</property>
-    <property name="meta.attr.com.apple.quicktime.creationdate.markup">2024-01-15T02:48:48+0100</property>
-    <property name="shotcut:defaultAudioIndex">1</property>
-    <filter id="filter64" in="00:16:32.320" out="00:17:13.600">
+    <property name="meta.attr.com.apple.quicktime.creationdate.markup">2024-01-22T04:04:02+0100</property>
+    <filter id="filter42" in="00:12:26.600" out="00:12:33.880">
       <property name="background">color:#00000000</property>
       <property name="mlt_service">affine</property>
       <property name="shotcut:filter">affineSizePosition</property>
       <property name="transition.fill">1</property>
       <property name="transition.distort">0</property>
-      <property name="transition.rect">-1000 -118 3622.4 2264 1</property>
+      <property name="transition.rect">-255.585 -72 2456.86 1535.54 1</property>
       <property name="transition.valign">middle</property>
       <property name="transition.halign">center</property>
       <property name="shotcut:animIn">00:00:00.000</property>
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-  <chain id="chain66" out="00:34:36.440">
-    <property name="length">00:34:36.480</property>
+  <chain id="chain141" out="00:33:28.720">
+    <property name="length">00:33:28.760</property>
     <property name="eof">pause</property>
-    <property name="resource">/Volumes/LaCie/GNU Taler films/ONLINE/tutorial-videos/original_media/merchant/order1/Screen Recording 2024-01-15 at 02.48.38.mov</property>
+    <property name="resource">/Volumes/LaCie/GNU Taler films/ONLINE/tutorial-videos/original_media/merchant/order1/Screen Recording 2024-01-22 at 04.02.43.mov</property>
     <property name="mlt_service">avformat-novalidate</property>
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     <property name="meta.media.0.stream.type">video</property>
-    <property name="meta.media.0.stream.frame_rate">37.955</property>
+    <property name="meta.media.0.stream.frame_rate">37.6514</property>
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     <property name="meta.media.0.codec.width">3456</property>
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-    <property name="meta.media.0.codec.bit_rate">24972958</property>
-    <property name="meta.attr.0.stream.creation_time.markup">2024-01-15T02:24:11.000000Z</property>
+    <property name="meta.media.0.codec.bit_rate">25741987</property>
+    <property name="meta.attr.0.stream.creation_time.markup">2024-01-22T03:04:03.000000Z</property>
     <property name="meta.attr.0.stream.handler_name.markup">Core Media Video</property>
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     <property name="meta.media.1.codec.long_name">AAC (Advanced Audio Coding)</property>
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-    <property name="meta.attr.1.stream.creation_time.markup">2024-01-15T02:24:11.000000Z</property>
+    <property name="meta.media.1.codec.bit_rate">125731</property>
+    <property name="meta.attr.1.stream.creation_time.markup">2024-01-22T03:04:03.000000Z</property>
     <property name="meta.attr.1.stream.handler_name.markup">Core Media Audio</property>
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     <property name="meta.attr.compatible_brands.markup">qt  </property>
-    <property name="meta.attr.creation_time.markup">2024-01-15T02:24:11.000000Z</property>
+    <property name="meta.attr.creation_time.markup">2024-01-22T03:04:03.000000Z</property>
     <property name="meta.attr.encoder.markup">Lavf60.16.100</property>
     <property name="seekable">1</property>
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     <property name="video_index">0</property>
-    <property name="creation_time">2024-01-15T02:24:11</property>
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-    <property name="meta.media.frame_rate_num">4728780</property>
-    <property name="meta.media.frame_rate_den">124589</property>
+    <property name="meta.media.frame_rate_num">100868</property>
+    <property name="meta.media.frame_rate_den">2679</property>
     <property name="meta.media.colorspace">709</property>
     <property name="meta.media.color_trc">1</property>
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-    <property name="shotcut:caption">Screen Recording 2024-01-15 at 02.48.38.mov</property>
+    <property name="shotcut:hash">cc43bc6e55d30bec7a8aac8c39901bee</property>
+    <property name="shotcut:caption">Screen Recording 2024-01-22 at 04.02.43.mov</property>
     <property name="xml">was here</property>
     <property name="meta.media.top_field_first">0</property>
     <property name="meta.media.progressive">1</property>
+    <property name="shotcut:defaultAudioIndex">1</property>
     <property name="meta.shotcut.vui">1</property>
     <property name="meta.attr.com.apple.quicktime.make.markup">Apple</property>
     <property name="meta.attr.com.apple.quicktime.model.markup">MacBookPro18,2</property>
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-    <property name="meta.attr.com.apple.quicktime.creationdate.markup">2024-01-15T02:48:48+0100</property>
-    <property name="shotcut:defaultAudioIndex">1</property>
-    <filter id="filter65" in="00:17:14.800" out="00:17:30.800">
+    <property name="meta.attr.com.apple.quicktime.creationdate.markup">2024-01-22T04:04:02+0100</property>
+    <filter id="filter43" in="00:12:35.960" out="00:12:43.600">
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       <property name="mlt_service">affine</property>
       <property name="shotcut:filter">affineSizePosition</property>
       <property name="transition.fill">1</property>
       <property name="transition.distort">0</property>
-      <property name="transition.rect">-1554.78 -108 3505.01 2264 1</property>
+      <property name="transition.rect">-255.585 -72 2456.86 1535.54 1</property>
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       <property name="transition.halign">center</property>
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-    <property name="length">00:34:36.480</property>
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-    <property name="resource">/Volumes/LaCie/GNU Taler films/ONLINE/tutorial-videos/original_media/merchant/order1/Screen Recording 2024-01-15 at 02.48.38.mov</property>
+    <property name="resource">/Volumes/LaCie/GNU Taler films/ONLINE/tutorial-videos/original_media/merchant/order1/Screen Recording 2024-01-22 at 04.02.43.mov</property>
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-    <property name="meta.media.0.stream.frame_rate">37.955</property>
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-    <property name="meta.media.0.codec.bit_rate">24972958</property>
-    <property name="meta.attr.0.stream.creation_time.markup">2024-01-15T02:24:11.000000Z</property>
+    <property name="meta.media.0.codec.bit_rate">25741987</property>
+    <property name="meta.attr.0.stream.creation_time.markup">2024-01-22T03:04:03.000000Z</property>
     <property name="meta.attr.0.stream.handler_name.markup">Core Media Video</property>
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     <property name="meta.media.1.codec.name">aac</property>
     <property name="meta.media.1.codec.long_name">AAC (Advanced Audio Coding)</property>
-    <property name="meta.media.1.codec.bit_rate">125820</property>
-    <property name="meta.attr.1.stream.creation_time.markup">2024-01-15T02:24:11.000000Z</property>
+    <property name="meta.media.1.codec.bit_rate">125731</property>
+    <property name="meta.attr.1.stream.creation_time.markup">2024-01-22T03:04:03.000000Z</property>
     <property name="meta.attr.1.stream.handler_name.markup">Core Media Audio</property>
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     <property name="meta.attr.compatible_brands.markup">qt  </property>
-    <property name="meta.attr.creation_time.markup">2024-01-15T02:24:11.000000Z</property>
+    <property name="meta.attr.creation_time.markup">2024-01-22T03:04:03.000000Z</property>
     <property name="meta.attr.encoder.markup">Lavf60.16.100</property>
     <property name="seekable">1</property>
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     <property name="audio_index">-1</property>
     <property name="video_index">0</property>
-    <property name="creation_time">2024-01-15T02:24:11</property>
+    <property name="creation_time">2024-01-22T03:04:03</property>
     <property name="vstream">0</property>
-    <property name="meta.media.frame_rate_num">4728780</property>
-    <property name="meta.media.frame_rate_den">124589</property>
+    <property name="meta.media.frame_rate_num">100868</property>
+    <property name="meta.media.frame_rate_den">2679</property>
     <property name="meta.media.colorspace">709</property>
     <property name="meta.media.color_trc">1</property>
     <property name="meta.media.has_b_frames">1</property>
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     <property name="meta.media.color_range">mpeg</property>
     <property name="astream">-1</property>
-    <property name="shotcut:hash">460b48940530c197dc6e411af3f9c8e1</property>
-    <property name="shotcut:caption">Screen Recording 2024-01-15 at 02.48.38.mov</property>
+    <property name="shotcut:hash">cc43bc6e55d30bec7a8aac8c39901bee</property>
+    <property name="shotcut:caption">Screen Recording 2024-01-22 at 04.02.43.mov</property>
     <property name="xml">was here</property>
     <property name="meta.media.top_field_first">0</property>
     <property name="meta.media.progressive">1</property>
+    <property name="shotcut:defaultAudioIndex">1</property>
     <property name="meta.shotcut.vui">1</property>
     <property name="meta.attr.com.apple.quicktime.make.markup">Apple</property>
     <property name="meta.attr.com.apple.quicktime.model.markup">MacBookPro18,2</property>
     <property name="meta.attr.com.apple.quicktime.software.markup">macOS 14.2.1 (23C71)</property>
-    <property name="meta.attr.com.apple.quicktime.creationdate.markup">2024-01-15T02:48:48+0100</property>
-    <property name="shotcut:defaultAudioIndex">1</property>
-    <filter id="filter66" in="00:17:34.360" out="00:17:39.560">
+    <property name="meta.attr.com.apple.quicktime.creationdate.markup">2024-01-22T04:04:02+0100</property>
+    <filter id="filter44" in="00:13:05.320" out="00:13:10.800">
       <property name="background">color:#00000000</property>
       <property name="mlt_service">affine</property>
       <property name="shotcut:filter">affineSizePosition</property>
       <property name="transition.fill">1</property>
       <property name="transition.distort">0</property>
-      <property name="transition.rect">-182.785 -36 2124.06 1372 1</property>
+      <property name="transition.rect">-255.585 -72 2456.86 1535.54 1</property>
       <property name="transition.valign">middle</property>
       <property name="transition.halign">center</property>
       <property name="shotcut:animIn">00:00:00.000</property>
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-  <chain id="chain68" out="00:34:36.440">
-    <property name="length">00:34:36.480</property>
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+    <property name="length">00:33:28.760</property>
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-    <property name="resource">/Volumes/LaCie/GNU Taler films/ONLINE/tutorial-videos/original_media/merchant/order1/Screen Recording 2024-01-15 at 02.48.38.mov</property>
+    <property name="resource">/Volumes/LaCie/GNU Taler films/ONLINE/tutorial-videos/original_media/merchant/order1/Screen Recording 2024-01-22 at 04.02.43.mov</property>
     <property name="mlt_service">avformat-novalidate</property>
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     <property name="meta.media.0.stream.type">video</property>
-    <property name="meta.media.0.stream.frame_rate">37.955</property>
+    <property name="meta.media.0.stream.frame_rate">37.6514</property>
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     <property name="meta.media.0.codec.long_name">H.264 / AVC / MPEG-4 AVC / MPEG-4 part 10</property>
-    <property name="meta.media.0.codec.bit_rate">24972958</property>
-    <property name="meta.attr.0.stream.creation_time.markup">2024-01-15T02:24:11.000000Z</property>
+    <property name="meta.media.0.codec.bit_rate">25741987</property>
+    <property name="meta.attr.0.stream.creation_time.markup">2024-01-22T03:04:03.000000Z</property>
     <property name="meta.attr.0.stream.handler_name.markup">Core Media Video</property>
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     <property name="meta.attr.0.stream.encoder.markup">H.264</property>
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     <property name="meta.media.1.codec.name">aac</property>
     <property name="meta.media.1.codec.long_name">AAC (Advanced Audio Coding)</property>
-    <property name="meta.media.1.codec.bit_rate">125820</property>
-    <property name="meta.attr.1.stream.creation_time.markup">2024-01-15T02:24:11.000000Z</property>
+    <property name="meta.media.1.codec.bit_rate">125731</property>
+    <property name="meta.attr.1.stream.creation_time.markup">2024-01-22T03:04:03.000000Z</property>
     <property name="meta.attr.1.stream.handler_name.markup">Core Media Audio</property>
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     <property name="meta.attr.major_brand.markup">qt  </property>
     <property name="meta.attr.minor_version.markup">0</property>
     <property name="meta.attr.compatible_brands.markup">qt  </property>
-    <property name="meta.attr.creation_time.markup">2024-01-15T02:24:11.000000Z</property>
+    <property name="meta.attr.creation_time.markup">2024-01-22T03:04:03.000000Z</property>
     <property name="meta.attr.encoder.markup">Lavf60.16.100</property>
     <property name="seekable">1</property>
     <property name="meta.media.sample_aspect_num">1</property>
     <property name="meta.media.sample_aspect_den">1</property>
     <property name="audio_index">-1</property>
     <property name="video_index">0</property>
-    <property name="creation_time">2024-01-15T02:24:11</property>
+    <property name="creation_time">2024-01-22T03:04:03</property>
     <property name="vstream">0</property>
-    <property name="meta.media.frame_rate_num">4728780</property>
-    <property name="meta.media.frame_rate_den">124589</property>
+    <property name="meta.media.frame_rate_num">100868</property>
+    <property name="meta.media.frame_rate_den">2679</property>
     <property name="meta.media.colorspace">709</property>
     <property name="meta.media.color_trc">1</property>
     <property name="meta.media.has_b_frames">1</property>
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     <property name="meta.media.color_range">mpeg</property>
     <property name="astream">-1</property>
-    <property name="shotcut:hash">460b48940530c197dc6e411af3f9c8e1</property>
-    <property name="shotcut:caption">Screen Recording 2024-01-15 at 02.48.38.mov</property>
+    <property name="shotcut:hash">cc43bc6e55d30bec7a8aac8c39901bee</property>
+    <property name="shotcut:caption">Screen Recording 2024-01-22 at 04.02.43.mov</property>
     <property name="xml">was here</property>
     <property name="meta.media.top_field_first">0</property>
     <property name="meta.media.progressive">1</property>
+    <property name="shotcut:defaultAudioIndex">1</property>
     <property name="meta.shotcut.vui">1</property>
     <property name="meta.attr.com.apple.quicktime.make.markup">Apple</property>
     <property name="meta.attr.com.apple.quicktime.model.markup">MacBookPro18,2</property>
     <property name="meta.attr.com.apple.quicktime.software.markup">macOS 14.2.1 (23C71)</property>
-    <property name="meta.attr.com.apple.quicktime.creationdate.markup">2024-01-15T02:48:48+0100</property>
+    <property name="meta.attr.com.apple.quicktime.creationdate.markup">2024-01-22T04:04:02+0100</property>
+    <filter id="filter45" in="00:13:13.720" out="00:13:18.320">
+      <property name="background">color:#00000000</property>
+      <property name="mlt_service">affine</property>
+      <property name="shotcut:filter">affineSizePosition</property>
+      <property name="transition.fill">1</property>
+      <property name="transition.distort">0</property>
+      <property name="transition.rect">-255.585 -72 2456.86 1535.54 1</property>
+      <property name="transition.valign">middle</property>
+      <property name="transition.halign">center</property>
+      <property name="shotcut:animIn">00:00:00.000</property>
+      <property name="shotcut:animOut">00:00:00.000</property>
+      <property name="transition.threads">0</property>
+      <property name="transition.fix_rotate_x">0</property>
+    </filter>
+  </chain>
+  <chain id="chain144" out="00:33:28.720">
+    <property name="length">00:33:28.760</property>
+    <property name="eof">pause</property>
+    <property name="resource">/Volumes/LaCie/GNU Taler films/ONLINE/tutorial-videos/original_media/merchant/order1/Screen Recording 2024-01-22 at 04.02.43.mov</property>
+    <property name="mlt_service">avformat-novalidate</property>
+    <property name="meta.media.nb_streams">2</property>
+    <property name="meta.media.0.stream.type">video</property>
+    <property name="meta.media.0.stream.frame_rate">37.6514</property>
+    <property name="meta.media.0.stream.sample_aspect_ratio">0</property>
+    <property name="meta.media.0.codec.width">3456</property>
+    <property name="meta.media.0.codec.height">2160</property>
+    <property name="meta.media.0.codec.rotate">0</property>
+    <property name="meta.media.0.codec.pix_fmt">yuv420p</property>
+    <property name="meta.media.0.codec.sample_aspect_ratio">0</property>
+    <property name="meta.media.0.codec.colorspace">709</property>
+    <property name="meta.media.0.codec.color_trc">1</property>
+    <property name="meta.media.0.codec.name">h264</property>
+    <property name="meta.media.0.codec.long_name">H.264 / AVC / MPEG-4 AVC / MPEG-4 part 10</property>
+    <property name="meta.media.0.codec.bit_rate">25741987</property>
+    <property name="meta.attr.0.stream.creation_time.markup">2024-01-22T03:04:03.000000Z</property>
+    <property name="meta.attr.0.stream.handler_name.markup">Core Media Video</property>
+    <property name="meta.attr.0.stream.vendor_id.markup">[0][0][0][0]</property>
+    <property name="meta.attr.0.stream.encoder.markup">H.264</property>
+    <property name="meta.media.1.stream.type">audio</property>
+    <property name="meta.media.1.codec.sample_fmt">fltp</property>
+    <property name="meta.media.1.codec.sample_rate">44100</property>
+    <property name="meta.media.1.codec.channels">1</property>
+    <property name="meta.media.1.codec.name">aac</property>
+    <property name="meta.media.1.codec.long_name">AAC (Advanced Audio Coding)</property>
+    <property name="meta.media.1.codec.bit_rate">125731</property>
+    <property name="meta.attr.1.stream.creation_time.markup">2024-01-22T03:04:03.000000Z</property>
+    <property name="meta.attr.1.stream.handler_name.markup">Core Media Audio</property>
+    <property name="meta.attr.1.stream.vendor_id.markup">[0][0][0][0]</property>
+    <property name="meta.attr.major_brand.markup">qt  </property>
+    <property name="meta.attr.minor_version.markup">0</property>
+    <property name="meta.attr.compatible_brands.markup">qt  </property>
+    <property name="meta.attr.creation_time.markup">2024-01-22T03:04:03.000000Z</property>
+    <property name="meta.attr.encoder.markup">Lavf60.16.100</property>
+    <property name="seekable">1</property>
+    <property name="meta.media.sample_aspect_num">1</property>
+    <property name="meta.media.sample_aspect_den">1</property>
+    <property name="audio_index">-1</property>
+    <property name="video_index">0</property>
+    <property name="creation_time">2024-01-22T03:04:03</property>
+    <property name="vstream">0</property>
+    <property name="meta.media.frame_rate_num">100868</property>
+    <property name="meta.media.frame_rate_den">2679</property>
+    <property name="meta.media.colorspace">709</property>
+    <property name="meta.media.color_trc">1</property>
+    <property name="meta.media.has_b_frames">1</property>
+    <property name="meta.media.width">3456</property>
+    <property name="meta.media.height">2160</property>
+    <property name="meta.media.aspect_ratio">1</property>
+    <property name="meta.media.color_range">mpeg</property>
+    <property name="astream">-1</property>
+    <property name="shotcut:hash">cc43bc6e55d30bec7a8aac8c39901bee</property>
+    <property name="shotcut:caption">Screen Recording 2024-01-22 at 04.02.43.mov</property>
+    <property name="xml">was here</property>
+    <property name="meta.media.top_field_first">0</property>
+    <property name="meta.media.progressive">1</property>
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-    <filter id="filter67" in="00:17:43.640" out="00:17:48.760">
+    <property name="meta.attr.com.apple.quicktime.make.markup">Apple</property>
+    <property name="meta.attr.com.apple.quicktime.model.markup">MacBookPro18,2</property>
+    <property name="meta.attr.com.apple.quicktime.software.markup">macOS 14.2.1 (23C71)</property>
+    <property name="meta.attr.com.apple.quicktime.creationdate.markup">2024-01-22T04:04:02+0100</property>
+    <property name="meta.shotcut.vui">1</property>
+    <filter id="filter46" in="00:13:38.320" out="00:13:40.000">
       <property name="background">color:#00000000</property>
       <property name="mlt_service">affine</property>
       <property name="shotcut:filter">affineSizePosition</property>
       <property name="transition.fill">1</property>
       <property name="transition.distort">0</property>
-      <property name="transition.rect">-182.785 -36 2124.06 1372 1</property>
+      <property name="transition.rect">-255.585 -72 2456.86 1535.54 1</property>
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       <property name="transition.halign">center</property>
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-    <property name="resource">/Volumes/LaCie/GNU Taler films/ONLINE/tutorial-videos/original_media/merchant/order1/Screen Recording 2024-01-15 at 02.48.38.mov</property>
+    <property name="resource">/Volumes/LaCie/GNU Taler films/ONLINE/tutorial-videos/original_media/merchant/order1/Screen Recording 2024-01-22 at 04.02.43.mov</property>
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-    <property name="meta.media.0.stream.frame_rate">37.955</property>
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-    <property name="meta.attr.0.stream.creation_time.markup">2024-01-15T02:24:11.000000Z</property>
+    <property name="meta.media.0.codec.bit_rate">25741987</property>
+    <property name="meta.attr.0.stream.creation_time.markup">2024-01-22T03:04:03.000000Z</property>
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-    <property name="meta.attr.1.stream.creation_time.markup">2024-01-15T02:24:11.000000Z</property>
+    <property name="meta.media.1.codec.bit_rate">125731</property>
+    <property name="meta.attr.1.stream.creation_time.markup">2024-01-22T03:04:03.000000Z</property>
     <property name="meta.attr.1.stream.handler_name.markup">Core Media Audio</property>
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     <property name="meta.attr.compatible_brands.markup">qt  </property>
-    <property name="meta.attr.creation_time.markup">2024-01-15T02:24:11.000000Z</property>
+    <property name="meta.attr.creation_time.markup">2024-01-22T03:04:03.000000Z</property>
     <property name="meta.attr.encoder.markup">Lavf60.16.100</property>
     <property name="seekable">1</property>
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     <property name="audio_index">-1</property>
     <property name="video_index">0</property>
-    <property name="creation_time">2024-01-15T02:24:11</property>
+    <property name="creation_time">2024-01-22T03:04:03</property>
     <property name="vstream">0</property>
-    <property name="meta.media.frame_rate_num">4728780</property>
-    <property name="meta.media.frame_rate_den">124589</property>
+    <property name="meta.media.frame_rate_num">100868</property>
+    <property name="meta.media.frame_rate_den">2679</property>
     <property name="meta.media.colorspace">709</property>
     <property name="meta.media.color_trc">1</property>
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-    <property name="shotcut:caption">Screen Recording 2024-01-15 at 02.48.38.mov</property>
+    <property name="shotcut:hash">cc43bc6e55d30bec7a8aac8c39901bee</property>
+    <property name="shotcut:caption">Screen Recording 2024-01-22 at 04.02.43.mov</property>
     <property name="xml">was here</property>
     <property name="meta.media.top_field_first">0</property>
     <property name="meta.media.progressive">1</property>
+    <property name="shotcut:defaultAudioIndex">1</property>
     <property name="meta.shotcut.vui">1</property>
     <property name="meta.attr.com.apple.quicktime.make.markup">Apple</property>
     <property name="meta.attr.com.apple.quicktime.model.markup">MacBookPro18,2</property>
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-    <property name="meta.attr.com.apple.quicktime.creationdate.markup">2024-01-15T02:48:48+0100</property>
+    <property name="meta.attr.com.apple.quicktime.creationdate.markup">2024-01-22T04:04:02+0100</property>
+    <filter id="filter48" in="00:14:08.720" out="00:14:10.320">
+      <property name="background">color:#00000000</property>
+      <property name="mlt_service">affine</property>
+      <property name="shotcut:filter">affineSizePosition</property>
+      <property name="transition.fill">1</property>
+      <property name="transition.distort">0</property>
+      <property name="transition.rect">-255.585 -72 2456.86 1535.54 1</property>
+      <property name="transition.valign">middle</property>
+      <property name="transition.halign">center</property>
+      <property name="shotcut:animIn">00:00:00.000</property>
+      <property name="shotcut:animOut">00:00:00.000</property>
+      <property name="transition.threads">0</property>
+      <property name="transition.fix_rotate_x">0</property>
+    </filter>
+  </chain>
+  <chain id="chain146" out="00:33:28.720">
+    <property name="length">00:33:28.760</property>
+    <property name="eof">pause</property>
+    <property name="resource">/Volumes/LaCie/GNU Taler films/ONLINE/tutorial-videos/original_media/merchant/order1/Screen Recording 2024-01-22 at 04.02.43.mov</property>
+    <property name="mlt_service">avformat-novalidate</property>
+    <property name="meta.media.nb_streams">2</property>
+    <property name="meta.media.0.stream.type">video</property>
+    <property name="meta.media.0.stream.frame_rate">37.6514</property>
+    <property name="meta.media.0.stream.sample_aspect_ratio">0</property>
+    <property name="meta.media.0.codec.width">3456</property>
+    <property name="meta.media.0.codec.height">2160</property>
+    <property name="meta.media.0.codec.rotate">0</property>
+    <property name="meta.media.0.codec.pix_fmt">yuv420p</property>
+    <property name="meta.media.0.codec.sample_aspect_ratio">0</property>
+    <property name="meta.media.0.codec.colorspace">709</property>
+    <property name="meta.media.0.codec.color_trc">1</property>
+    <property name="meta.media.0.codec.name">h264</property>
+    <property name="meta.media.0.codec.long_name">H.264 / AVC / MPEG-4 AVC / MPEG-4 part 10</property>
+    <property name="meta.media.0.codec.bit_rate">25741987</property>
+    <property name="meta.attr.0.stream.creation_time.markup">2024-01-22T03:04:03.000000Z</property>
+    <property name="meta.attr.0.stream.handler_name.markup">Core Media Video</property>
+    <property name="meta.attr.0.stream.vendor_id.markup">[0][0][0][0]</property>
+    <property name="meta.attr.0.stream.encoder.markup">H.264</property>
+    <property name="meta.media.1.stream.type">audio</property>
+    <property name="meta.media.1.codec.sample_fmt">fltp</property>
+    <property name="meta.media.1.codec.sample_rate">44100</property>
+    <property name="meta.media.1.codec.channels">1</property>
+    <property name="meta.media.1.codec.name">aac</property>
+    <property name="meta.media.1.codec.long_name">AAC (Advanced Audio Coding)</property>
+    <property name="meta.media.1.codec.bit_rate">125731</property>
+    <property name="meta.attr.1.stream.creation_time.markup">2024-01-22T03:04:03.000000Z</property>
+    <property name="meta.attr.1.stream.handler_name.markup">Core Media Audio</property>
+    <property name="meta.attr.1.stream.vendor_id.markup">[0][0][0][0]</property>
+    <property name="meta.attr.major_brand.markup">qt  </property>
+    <property name="meta.attr.minor_version.markup">0</property>
+    <property name="meta.attr.compatible_brands.markup">qt  </property>
+    <property name="meta.attr.creation_time.markup">2024-01-22T03:04:03.000000Z</property>
+    <property name="meta.attr.encoder.markup">Lavf60.16.100</property>
+    <property name="seekable">1</property>
+    <property name="meta.media.sample_aspect_num">1</property>
+    <property name="meta.media.sample_aspect_den">1</property>
+    <property name="audio_index">-1</property>
+    <property name="video_index">0</property>
+    <property name="creation_time">2024-01-22T03:04:03</property>
+    <property name="vstream">0</property>
+    <property name="meta.media.frame_rate_num">100868</property>
+    <property name="meta.media.frame_rate_den">2679</property>
+    <property name="meta.media.colorspace">709</property>
+    <property name="meta.media.color_trc">1</property>
+    <property name="meta.media.has_b_frames">1</property>
+    <property name="meta.media.width">3456</property>
+    <property name="meta.media.height">2160</property>
+    <property name="meta.media.aspect_ratio">1</property>
+    <property name="meta.media.color_range">mpeg</property>
+    <property name="astream">-1</property>
+    <property name="shotcut:hash">cc43bc6e55d30bec7a8aac8c39901bee</property>
+    <property name="shotcut:caption">Screen Recording 2024-01-22 at 04.02.43.mov</property>
+    <property name="xml">was here</property>
+    <property name="meta.media.top_field_first">0</property>
+    <property name="meta.media.progressive">1</property>
     <property name="shotcut:defaultAudioIndex">1</property>
-    <filter id="filter68" in="00:18:25.200" out="00:18:50.680">
+    <property name="meta.shotcut.vui">1</property>
+    <property name="meta.attr.com.apple.quicktime.make.markup">Apple</property>
+    <property name="meta.attr.com.apple.quicktime.model.markup">MacBookPro18,2</property>
+    <property name="meta.attr.com.apple.quicktime.software.markup">macOS 14.2.1 (23C71)</property>
+    <property name="meta.attr.com.apple.quicktime.creationdate.markup">2024-01-22T04:04:02+0100</property>
+    <filter id="filter49" in="00:14:11.240" out="00:14:13.400">
       <property name="background">color:#00000000</property>
       <property name="mlt_service">affine</property>
       <property name="shotcut:filter">affineSizePosition</property>
       <property name="transition.fill">1</property>
       <property name="transition.distort">0</property>
-      <property name="transition.rect">-182.785 -36 2124.06 1372 1</property>
+      <property name="transition.rect">-255.585 -72 2456.86 1535.54 1</property>
       <property name="transition.valign">middle</property>
       <property name="transition.halign">center</property>
       <property name="shotcut:animIn">00:00:00.000</property>
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-    <property name="length">00:34:36.480</property>
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+    <property name="length">00:33:28.760</property>
     <property name="eof">pause</property>
-    <property name="resource">/Volumes/LaCie/GNU Taler films/ONLINE/tutorial-videos/original_media/merchant/order1/Screen Recording 2024-01-15 at 02.48.38.mov</property>
+    <property name="resource">/Volumes/LaCie/GNU Taler films/ONLINE/tutorial-videos/original_media/merchant/order1/Screen Recording 2024-01-22 at 04.02.43.mov</property>
     <property name="mlt_service">avformat-novalidate</property>
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     <property name="meta.media.0.stream.type">video</property>
-    <property name="meta.media.0.stream.frame_rate">37.955</property>
+    <property name="meta.media.0.stream.frame_rate">37.6514</property>
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     <property name="meta.media.0.codec.width">3456</property>
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-    <property name="meta.media.0.codec.bit_rate">24972958</property>
-    <property name="meta.attr.0.stream.creation_time.markup">2024-01-15T02:24:11.000000Z</property>
+    <property name="meta.media.0.codec.bit_rate">25741987</property>
+    <property name="meta.attr.0.stream.creation_time.markup">2024-01-22T03:04:03.000000Z</property>
     <property name="meta.attr.0.stream.handler_name.markup">Core Media Video</property>
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     <property name="meta.attr.0.stream.encoder.markup">H.264</property>
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     <property name="meta.media.1.codec.name">aac</property>
     <property name="meta.media.1.codec.long_name">AAC (Advanced Audio Coding)</property>
-    <property name="meta.media.1.codec.bit_rate">125820</property>
-    <property name="meta.attr.1.stream.creation_time.markup">2024-01-15T02:24:11.000000Z</property>
+    <property name="meta.media.1.codec.bit_rate">125731</property>
+    <property name="meta.attr.1.stream.creation_time.markup">2024-01-22T03:04:03.000000Z</property>
     <property name="meta.attr.1.stream.handler_name.markup">Core Media Audio</property>
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     <property name="meta.attr.minor_version.markup">0</property>
     <property name="meta.attr.compatible_brands.markup">qt  </property>
-    <property name="meta.attr.creation_time.markup">2024-01-15T02:24:11.000000Z</property>
+    <property name="meta.attr.creation_time.markup">2024-01-22T03:04:03.000000Z</property>
     <property name="meta.attr.encoder.markup">Lavf60.16.100</property>
     <property name="seekable">1</property>
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     <property name="meta.media.sample_aspect_den">1</property>
     <property name="audio_index">-1</property>
     <property name="video_index">0</property>
-    <property name="creation_time">2024-01-15T02:24:11</property>
+    <property name="creation_time">2024-01-22T03:04:03</property>
     <property name="vstream">0</property>
-    <property name="meta.media.frame_rate_num">4728780</property>
-    <property name="meta.media.frame_rate_den">124589</property>
+    <property name="meta.media.frame_rate_num">100868</property>
+    <property name="meta.media.frame_rate_den">2679</property>
     <property name="meta.media.colorspace">709</property>
     <property name="meta.media.color_trc">1</property>
     <property name="meta.media.has_b_frames">1</property>
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     <property name="meta.media.aspect_ratio">1</property>
     <property name="meta.media.color_range">mpeg</property>
     <property name="astream">-1</property>
-    <property name="shotcut:hash">460b48940530c197dc6e411af3f9c8e1</property>
-    <property name="shotcut:caption">Screen Recording 2024-01-15 at 02.48.38.mov</property>
+    <property name="shotcut:hash">cc43bc6e55d30bec7a8aac8c39901bee</property>
+    <property name="shotcut:caption">Screen Recording 2024-01-22 at 04.02.43.mov</property>
     <property name="xml">was here</property>
     <property name="meta.media.top_field_first">0</property>
     <property name="meta.media.progressive">1</property>
+    <property name="shotcut:defaultAudioIndex">1</property>
     <property name="meta.shotcut.vui">1</property>
     <property name="meta.attr.com.apple.quicktime.make.markup">Apple</property>
     <property name="meta.attr.com.apple.quicktime.model.markup">MacBookPro18,2</property>
     <property name="meta.attr.com.apple.quicktime.software.markup">macOS 14.2.1 (23C71)</property>
-    <property name="meta.attr.com.apple.quicktime.creationdate.markup">2024-01-15T02:48:48+0100</property>
+    <property name="meta.attr.com.apple.quicktime.creationdate.markup">2024-01-22T04:04:02+0100</property>
+    <filter id="filter50" in="00:14:23.760" out="00:14:27.840">
+      <property name="background">color:#00000000</property>
+      <property name="mlt_service">affine</property>
+      <property name="shotcut:filter">affineSizePosition</property>
+      <property name="transition.fill">1</property>
+      <property name="transition.distort">0</property>
+      <property name="transition.rect">-255.585 -72 2456.86 1535.54 1</property>
+      <property name="transition.valign">middle</property>
+      <property name="transition.halign">center</property>
+      <property name="shotcut:animIn">00:00:00.000</property>
+      <property name="shotcut:animOut">00:00:00.000</property>
+      <property name="transition.threads">0</property>
+      <property name="transition.fix_rotate_x">0</property>
+    </filter>
+  </chain>
+  <chain id="chain148" out="00:33:28.720">
+    <property name="length">00:33:28.760</property>
+    <property name="eof">pause</property>
+    <property name="resource">/Volumes/LaCie/GNU Taler films/ONLINE/tutorial-videos/original_media/merchant/order1/Screen Recording 2024-01-22 at 04.02.43.mov</property>
+    <property name="mlt_service">avformat-novalidate</property>
+    <property name="meta.media.nb_streams">2</property>
+    <property name="meta.media.0.stream.type">video</property>
+    <property name="meta.media.0.stream.frame_rate">37.6514</property>
+    <property name="meta.media.0.stream.sample_aspect_ratio">0</property>
+    <property name="meta.media.0.codec.width">3456</property>
+    <property name="meta.media.0.codec.height">2160</property>
+    <property name="meta.media.0.codec.rotate">0</property>
+    <property name="meta.media.0.codec.pix_fmt">yuv420p</property>
+    <property name="meta.media.0.codec.sample_aspect_ratio">0</property>
+    <property name="meta.media.0.codec.colorspace">709</property>
+    <property name="meta.media.0.codec.color_trc">1</property>
+    <property name="meta.media.0.codec.name">h264</property>
+    <property name="meta.media.0.codec.long_name">H.264 / AVC / MPEG-4 AVC / MPEG-4 part 10</property>
+    <property name="meta.media.0.codec.bit_rate">25741987</property>
+    <property name="meta.attr.0.stream.creation_time.markup">2024-01-22T03:04:03.000000Z</property>
+    <property name="meta.attr.0.stream.handler_name.markup">Core Media Video</property>
+    <property name="meta.attr.0.stream.vendor_id.markup">[0][0][0][0]</property>
+    <property name="meta.attr.0.stream.encoder.markup">H.264</property>
+    <property name="meta.media.1.stream.type">audio</property>
+    <property name="meta.media.1.codec.sample_fmt">fltp</property>
+    <property name="meta.media.1.codec.sample_rate">44100</property>
+    <property name="meta.media.1.codec.channels">1</property>
+    <property name="meta.media.1.codec.name">aac</property>
+    <property name="meta.media.1.codec.long_name">AAC (Advanced Audio Coding)</property>
+    <property name="meta.media.1.codec.bit_rate">125731</property>
+    <property name="meta.attr.1.stream.creation_time.markup">2024-01-22T03:04:03.000000Z</property>
+    <property name="meta.attr.1.stream.handler_name.markup">Core Media Audio</property>
+    <property name="meta.attr.1.stream.vendor_id.markup">[0][0][0][0]</property>
+    <property name="meta.attr.major_brand.markup">qt  </property>
+    <property name="meta.attr.minor_version.markup">0</property>
+    <property name="meta.attr.compatible_brands.markup">qt  </property>
+    <property name="meta.attr.creation_time.markup">2024-01-22T03:04:03.000000Z</property>
+    <property name="meta.attr.encoder.markup">Lavf60.16.100</property>
+    <property name="seekable">1</property>
+    <property name="meta.media.sample_aspect_num">1</property>
+    <property name="meta.media.sample_aspect_den">1</property>
+    <property name="audio_index">-1</property>
+    <property name="video_index">0</property>
+    <property name="creation_time">2024-01-22T03:04:03</property>
+    <property name="vstream">0</property>
+    <property name="meta.media.frame_rate_num">100868</property>
+    <property name="meta.media.frame_rate_den">2679</property>
+    <property name="meta.media.colorspace">709</property>
+    <property name="meta.media.color_trc">1</property>
+    <property name="meta.media.has_b_frames">1</property>
+    <property name="meta.media.width">3456</property>
+    <property name="meta.media.height">2160</property>
+    <property name="meta.media.aspect_ratio">1</property>
+    <property name="meta.media.color_range">mpeg</property>
+    <property name="astream">-1</property>
+    <property name="shotcut:hash">cc43bc6e55d30bec7a8aac8c39901bee</property>
+    <property name="shotcut:caption">Screen Recording 2024-01-22 at 04.02.43.mov</property>
+    <property name="xml">was here</property>
+    <property name="meta.media.top_field_first">0</property>
+    <property name="meta.media.progressive">1</property>
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+    <property name="meta.shotcut.vui">1</property>
+    <property name="meta.attr.com.apple.quicktime.make.markup">Apple</property>
+    <property name="meta.attr.com.apple.quicktime.model.markup">MacBookPro18,2</property>
+    <property name="meta.attr.com.apple.quicktime.software.markup">macOS 14.2.1 (23C71)</property>
+    <property name="meta.attr.com.apple.quicktime.creationdate.markup">2024-01-22T04:04:02+0100</property>
+    <filter id="filter51" in="00:14:29.480" out="00:14:35.000">
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       <property name="mlt_service">affine</property>
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-    <property name="meta.attr.0.stream.creation_time.markup">2024-01-15T02:24:11.000000Z</property>
+    <property name="meta.media.0.codec.bit_rate">25741987</property>
+    <property name="meta.attr.0.stream.creation_time.markup">2024-01-22T03:04:03.000000Z</property>
     <property name="meta.attr.0.stream.handler_name.markup">Core Media Video</property>
     <property name="meta.attr.0.stream.vendor_id.markup">[0][0][0][0]</property>
     <property name="meta.attr.0.stream.encoder.markup">H.264</property>
@@ -5899,24 +10948,24 @@
     <property name="meta.media.1.codec.channels">1</property>
     <property name="meta.media.1.codec.name">aac</property>
     <property name="meta.media.1.codec.long_name">AAC (Advanced Audio Coding)</property>
-    <property name="meta.media.1.codec.bit_rate">125820</property>
-    <property name="meta.attr.1.stream.creation_time.markup">2024-01-15T02:24:11.000000Z</property>
+    <property name="meta.media.1.codec.bit_rate">125731</property>
+    <property name="meta.attr.1.stream.creation_time.markup">2024-01-22T03:04:03.000000Z</property>
     <property name="meta.attr.1.stream.handler_name.markup">Core Media Audio</property>
     <property name="meta.attr.1.stream.vendor_id.markup">[0][0][0][0]</property>
     <property name="meta.attr.major_brand.markup">qt  </property>
     <property name="meta.attr.minor_version.markup">0</property>
     <property name="meta.attr.compatible_brands.markup">qt  </property>
-    <property name="meta.attr.creation_time.markup">2024-01-15T02:24:11.000000Z</property>
+    <property name="meta.attr.creation_time.markup">2024-01-22T03:04:03.000000Z</property>
     <property name="meta.attr.encoder.markup">Lavf60.16.100</property>
     <property name="seekable">1</property>
     <property name="meta.media.sample_aspect_num">1</property>
     <property name="meta.media.sample_aspect_den">1</property>
     <property name="audio_index">-1</property>
     <property name="video_index">0</property>
-    <property name="creation_time">2024-01-15T02:24:11</property>
+    <property name="creation_time">2024-01-22T03:04:03</property>
     <property name="vstream">0</property>
-    <property name="meta.media.frame_rate_num">4728780</property>
-    <property name="meta.media.frame_rate_den">124589</property>
+    <property name="meta.media.frame_rate_num">100868</property>
+    <property name="meta.media.frame_rate_den">2679</property>
     <property name="meta.media.colorspace">709</property>
     <property name="meta.media.color_trc">1</property>
     <property name="meta.media.has_b_frames">1</property>
@@ -5925,18 +10974,99 @@
     <property name="meta.media.aspect_ratio">1</property>
     <property name="meta.media.color_range">mpeg</property>
     <property name="astream">-1</property>
-    <property name="shotcut:hash">460b48940530c197dc6e411af3f9c8e1</property>
-    <property name="shotcut:caption">Screen Recording 2024-01-15 at 02.48.38.mov</property>
+    <property name="shotcut:hash">cc43bc6e55d30bec7a8aac8c39901bee</property>
+    <property name="shotcut:caption">Screen Recording 2024-01-22 at 04.02.43.mov</property>
     <property name="xml">was here</property>
     <property name="meta.media.top_field_first">0</property>
     <property name="meta.media.progressive">1</property>
+    <property name="shotcut:defaultAudioIndex">1</property>
     <property name="meta.shotcut.vui">1</property>
     <property name="meta.attr.com.apple.quicktime.make.markup">Apple</property>
     <property name="meta.attr.com.apple.quicktime.model.markup">MacBookPro18,2</property>
     <property name="meta.attr.com.apple.quicktime.software.markup">macOS 14.2.1 (23C71)</property>
-    <property name="meta.attr.com.apple.quicktime.creationdate.markup">2024-01-15T02:48:48+0100</property>
+    <property name="meta.attr.com.apple.quicktime.creationdate.markup">2024-01-22T04:04:02+0100</property>
+    <filter id="filter52" in="00:14:35.880" out="00:14:38.280">
+      <property name="background">color:#00000000</property>
+      <property name="mlt_service">affine</property>
+      <property name="shotcut:filter">affineSizePosition</property>
+      <property name="transition.fill">1</property>
+      <property name="transition.distort">0</property>
+      <property name="transition.rect">-255.585 -72 2456.86 1535.54 1</property>
+      <property name="transition.valign">middle</property>
+      <property name="transition.halign">center</property>
+      <property name="shotcut:animIn">00:00:00.000</property>
+      <property name="shotcut:animOut">00:00:00.000</property>
+      <property name="transition.threads">0</property>
+      <property name="transition.fix_rotate_x">0</property>
+    </filter>
+  </chain>
+  <chain id="chain150" out="00:33:28.720">
+    <property name="length">00:33:28.760</property>
+    <property name="eof">pause</property>
+    <property name="resource">/Volumes/LaCie/GNU Taler films/ONLINE/tutorial-videos/original_media/merchant/order1/Screen Recording 2024-01-22 at 04.02.43.mov</property>
+    <property name="mlt_service">avformat-novalidate</property>
+    <property name="meta.media.nb_streams">2</property>
+    <property name="meta.media.0.stream.type">video</property>
+    <property name="meta.media.0.stream.frame_rate">37.6514</property>
+    <property name="meta.media.0.stream.sample_aspect_ratio">0</property>
+    <property name="meta.media.0.codec.width">3456</property>
+    <property name="meta.media.0.codec.height">2160</property>
+    <property name="meta.media.0.codec.rotate">0</property>
+    <property name="meta.media.0.codec.pix_fmt">yuv420p</property>
+    <property name="meta.media.0.codec.sample_aspect_ratio">0</property>
+    <property name="meta.media.0.codec.colorspace">709</property>
+    <property name="meta.media.0.codec.color_trc">1</property>
+    <property name="meta.media.0.codec.name">h264</property>
+    <property name="meta.media.0.codec.long_name">H.264 / AVC / MPEG-4 AVC / MPEG-4 part 10</property>
+    <property name="meta.media.0.codec.bit_rate">25741987</property>
+    <property name="meta.attr.0.stream.creation_time.markup">2024-01-22T03:04:03.000000Z</property>
+    <property name="meta.attr.0.stream.handler_name.markup">Core Media Video</property>
+    <property name="meta.attr.0.stream.vendor_id.markup">[0][0][0][0]</property>
+    <property name="meta.attr.0.stream.encoder.markup">H.264</property>
+    <property name="meta.media.1.stream.type">audio</property>
+    <property name="meta.media.1.codec.sample_fmt">fltp</property>
+    <property name="meta.media.1.codec.sample_rate">44100</property>
+    <property name="meta.media.1.codec.channels">1</property>
+    <property name="meta.media.1.codec.name">aac</property>
+    <property name="meta.media.1.codec.long_name">AAC (Advanced Audio Coding)</property>
+    <property name="meta.media.1.codec.bit_rate">125731</property>
+    <property name="meta.attr.1.stream.creation_time.markup">2024-01-22T03:04:03.000000Z</property>
+    <property name="meta.attr.1.stream.handler_name.markup">Core Media Audio</property>
+    <property name="meta.attr.1.stream.vendor_id.markup">[0][0][0][0]</property>
+    <property name="meta.attr.major_brand.markup">qt  </property>
+    <property name="meta.attr.minor_version.markup">0</property>
+    <property name="meta.attr.compatible_brands.markup">qt  </property>
+    <property name="meta.attr.creation_time.markup">2024-01-22T03:04:03.000000Z</property>
+    <property name="meta.attr.encoder.markup">Lavf60.16.100</property>
+    <property name="seekable">1</property>
+    <property name="meta.media.sample_aspect_num">1</property>
+    <property name="meta.media.sample_aspect_den">1</property>
+    <property name="audio_index">-1</property>
+    <property name="video_index">0</property>
+    <property name="creation_time">2024-01-22T03:04:03</property>
+    <property name="vstream">0</property>
+    <property name="meta.media.frame_rate_num">100868</property>
+    <property name="meta.media.frame_rate_den">2679</property>
+    <property name="meta.media.colorspace">709</property>
+    <property name="meta.media.color_trc">1</property>
+    <property name="meta.media.has_b_frames">1</property>
+    <property name="meta.media.width">3456</property>
+    <property name="meta.media.height">2160</property>
+    <property name="meta.media.aspect_ratio">1</property>
+    <property name="meta.media.color_range">mpeg</property>
+    <property name="astream">-1</property>
+    <property name="shotcut:hash">cc43bc6e55d30bec7a8aac8c39901bee</property>
+    <property name="shotcut:caption">Screen Recording 2024-01-22 at 04.02.43.mov</property>
+    <property name="xml">was here</property>
+    <property name="meta.media.top_field_first">0</property>
+    <property name="meta.media.progressive">1</property>
     <property name="shotcut:defaultAudioIndex">1</property>
-    <filter id="filter70" in="00:19:13.480" out="00:19:29.440">
+    <property name="meta.shotcut.vui">1</property>
+    <property name="meta.attr.com.apple.quicktime.make.markup">Apple</property>
+    <property name="meta.attr.com.apple.quicktime.model.markup">MacBookPro18,2</property>
+    <property name="meta.attr.com.apple.quicktime.software.markup">macOS 14.2.1 (23C71)</property>
+    <property name="meta.attr.com.apple.quicktime.creationdate.markup">2024-01-22T04:04:02+0100</property>
+    <filter id="filter53" in="00:14:39.960" out="00:14:40.400">
       <property name="background">color:#00000000</property>
       <property name="mlt_service">affine</property>
       <property name="shotcut:filter">affineSizePosition</property>
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       <property name="transition.fix_rotate_x">0</property>
     </filter>
   </chain>
-  <chain id="chain72" out="00:34:36.440">
-    <property name="length">00:34:36.480</property>
+  <chain id="chain151" out="00:33:28.720">
+    <property name="length">00:33:28.760</property>
     <property name="eof">pause</property>
-    <property name="resource">/Volumes/LaCie/GNU Taler films/ONLINE/tutorial-videos/original_media/merchant/order1/Screen Recording 2024-01-15 at 02.48.38.mov</property>
+    <property name="resource">/Volumes/LaCie/GNU Taler films/ONLINE/tutorial-videos/original_media/merchant/order1/Screen Recording 2024-01-22 at 04.02.43.mov</property>
     <property name="mlt_service">avformat-novalidate</property>
     <property name="meta.media.nb_streams">2</property>
     <property name="meta.media.0.stream.type">video</property>
-    <property name="meta.media.0.stream.frame_rate">37.955</property>
+    <property name="meta.media.0.stream.frame_rate">37.6514</property>
     <property name="meta.media.0.stream.sample_aspect_ratio">0</property>
     <property name="meta.media.0.codec.width">3456</property>
     <property name="meta.media.0.codec.height">2160</property>
@@ -5969,8 +11099,8 @@
     <property name="meta.media.0.codec.color_trc">1</property>
     <property name="meta.media.0.codec.name">h264</property>
     <property name="meta.media.0.codec.long_name">H.264 / AVC / MPEG-4 AVC / MPEG-4 part 10</property>
-    <property name="meta.media.0.codec.bit_rate">24972958</property>
-    <property name="meta.attr.0.stream.creation_time.markup">2024-01-15T02:24:11.000000Z</property>
+    <property name="meta.media.0.codec.bit_rate">25741987</property>
+    <property name="meta.attr.0.stream.creation_time.markup">2024-01-22T03:04:03.000000Z</property>
     <property name="meta.attr.0.stream.handler_name.markup">Core Media Video</property>
     <property name="meta.attr.0.stream.vendor_id.markup">[0][0][0][0]</property>
     <property name="meta.attr.0.stream.encoder.markup">H.264</property>
@@ -5980,24 +11110,24 @@
     <property name="meta.media.1.codec.channels">1</property>
     <property name="meta.media.1.codec.name">aac</property>
     <property name="meta.media.1.codec.long_name">AAC (Advanced Audio Coding)</property>
-    <property name="meta.media.1.codec.bit_rate">125820</property>
-    <property name="meta.attr.1.stream.creation_time.markup">2024-01-15T02:24:11.000000Z</property>
+    <property name="meta.media.1.codec.bit_rate">125731</property>
+    <property name="meta.attr.1.stream.creation_time.markup">2024-01-22T03:04:03.000000Z</property>
     <property name="meta.attr.1.stream.handler_name.markup">Core Media Audio</property>
     <property name="meta.attr.1.stream.vendor_id.markup">[0][0][0][0]</property>
     <property name="meta.attr.major_brand.markup">qt  </property>
     <property name="meta.attr.minor_version.markup">0</property>
     <property name="meta.attr.compatible_brands.markup">qt  </property>
-    <property name="meta.attr.creation_time.markup">2024-01-15T02:24:11.000000Z</property>
+    <property name="meta.attr.creation_time.markup">2024-01-22T03:04:03.000000Z</property>
     <property name="meta.attr.encoder.markup">Lavf60.16.100</property>
     <property name="seekable">1</property>
     <property name="meta.media.sample_aspect_num">1</property>
     <property name="meta.media.sample_aspect_den">1</property>
     <property name="audio_index">-1</property>
     <property name="video_index">0</property>
-    <property name="creation_time">2024-01-15T02:24:11</property>
+    <property name="creation_time">2024-01-22T03:04:03</property>
     <property name="vstream">0</property>
-    <property name="meta.media.frame_rate_num">4728780</property>
-    <property name="meta.media.frame_rate_den">124589</property>
+    <property name="meta.media.frame_rate_num">100868</property>
+    <property name="meta.media.frame_rate_den">2679</property>
     <property name="meta.media.colorspace">709</property>
     <property name="meta.media.color_trc">1</property>
     <property name="meta.media.has_b_frames">1</property>
@@ -6006,18 +11136,99 @@
     <property name="meta.media.aspect_ratio">1</property>
     <property name="meta.media.color_range">mpeg</property>
     <property name="astream">-1</property>
-    <property name="shotcut:hash">460b48940530c197dc6e411af3f9c8e1</property>
-    <property name="shotcut:caption">Screen Recording 2024-01-15 at 02.48.38.mov</property>
+    <property name="shotcut:hash">cc43bc6e55d30bec7a8aac8c39901bee</property>
+    <property name="shotcut:caption">Screen Recording 2024-01-22 at 04.02.43.mov</property>
     <property name="xml">was here</property>
     <property name="meta.media.top_field_first">0</property>
     <property name="meta.media.progressive">1</property>
+    <property name="shotcut:defaultAudioIndex">1</property>
     <property name="meta.shotcut.vui">1</property>
     <property name="meta.attr.com.apple.quicktime.make.markup">Apple</property>
     <property name="meta.attr.com.apple.quicktime.model.markup">MacBookPro18,2</property>
     <property name="meta.attr.com.apple.quicktime.software.markup">macOS 14.2.1 (23C71)</property>
-    <property name="meta.attr.com.apple.quicktime.creationdate.markup">2024-01-15T02:48:48+0100</property>
+    <property name="meta.attr.com.apple.quicktime.creationdate.markup">2024-01-22T04:04:02+0100</property>
+    <filter id="filter54" in="00:14:40.720" out="00:14:41.520">
+      <property name="background">color:#00000000</property>
+      <property name="mlt_service">affine</property>
+      <property name="shotcut:filter">affineSizePosition</property>
+      <property name="transition.fill">1</property>
+      <property name="transition.distort">0</property>
+      <property name="transition.rect">-255.585 -72 2456.86 1535.54 1</property>
+      <property name="transition.valign">middle</property>
+      <property name="transition.halign">center</property>
+      <property name="shotcut:animIn">00:00:00.000</property>
+      <property name="shotcut:animOut">00:00:00.000</property>
+      <property name="transition.threads">0</property>
+      <property name="transition.fix_rotate_x">0</property>
+    </filter>
+  </chain>
+  <chain id="chain152" out="00:33:28.720">
+    <property name="length">00:33:28.760</property>
+    <property name="eof">pause</property>
+    <property name="resource">/Volumes/LaCie/GNU Taler films/ONLINE/tutorial-videos/original_media/merchant/order1/Screen Recording 2024-01-22 at 04.02.43.mov</property>
+    <property name="mlt_service">avformat-novalidate</property>
+    <property name="meta.media.nb_streams">2</property>
+    <property name="meta.media.0.stream.type">video</property>
+    <property name="meta.media.0.stream.frame_rate">37.6514</property>
+    <property name="meta.media.0.stream.sample_aspect_ratio">0</property>
+    <property name="meta.media.0.codec.width">3456</property>
+    <property name="meta.media.0.codec.height">2160</property>
+    <property name="meta.media.0.codec.rotate">0</property>
+    <property name="meta.media.0.codec.pix_fmt">yuv420p</property>
+    <property name="meta.media.0.codec.sample_aspect_ratio">0</property>
+    <property name="meta.media.0.codec.colorspace">709</property>
+    <property name="meta.media.0.codec.color_trc">1</property>
+    <property name="meta.media.0.codec.name">h264</property>
+    <property name="meta.media.0.codec.long_name">H.264 / AVC / MPEG-4 AVC / MPEG-4 part 10</property>
+    <property name="meta.media.0.codec.bit_rate">25741987</property>
+    <property name="meta.attr.0.stream.creation_time.markup">2024-01-22T03:04:03.000000Z</property>
+    <property name="meta.attr.0.stream.handler_name.markup">Core Media Video</property>
+    <property name="meta.attr.0.stream.vendor_id.markup">[0][0][0][0]</property>
+    <property name="meta.attr.0.stream.encoder.markup">H.264</property>
+    <property name="meta.media.1.stream.type">audio</property>
+    <property name="meta.media.1.codec.sample_fmt">fltp</property>
+    <property name="meta.media.1.codec.sample_rate">44100</property>
+    <property name="meta.media.1.codec.channels">1</property>
+    <property name="meta.media.1.codec.name">aac</property>
+    <property name="meta.media.1.codec.long_name">AAC (Advanced Audio Coding)</property>
+    <property name="meta.media.1.codec.bit_rate">125731</property>
+    <property name="meta.attr.1.stream.creation_time.markup">2024-01-22T03:04:03.000000Z</property>
+    <property name="meta.attr.1.stream.handler_name.markup">Core Media Audio</property>
+    <property name="meta.attr.1.stream.vendor_id.markup">[0][0][0][0]</property>
+    <property name="meta.attr.major_brand.markup">qt  </property>
+    <property name="meta.attr.minor_version.markup">0</property>
+    <property name="meta.attr.compatible_brands.markup">qt  </property>
+    <property name="meta.attr.creation_time.markup">2024-01-22T03:04:03.000000Z</property>
+    <property name="meta.attr.encoder.markup">Lavf60.16.100</property>
+    <property name="seekable">1</property>
+    <property name="meta.media.sample_aspect_num">1</property>
+    <property name="meta.media.sample_aspect_den">1</property>
+    <property name="audio_index">-1</property>
+    <property name="video_index">0</property>
+    <property name="creation_time">2024-01-22T03:04:03</property>
+    <property name="vstream">0</property>
+    <property name="meta.media.frame_rate_num">100868</property>
+    <property name="meta.media.frame_rate_den">2679</property>
+    <property name="meta.media.colorspace">709</property>
+    <property name="meta.media.color_trc">1</property>
+    <property name="meta.media.has_b_frames">1</property>
+    <property name="meta.media.width">3456</property>
+    <property name="meta.media.height">2160</property>
+    <property name="meta.media.aspect_ratio">1</property>
+    <property name="meta.media.color_range">mpeg</property>
+    <property name="astream">-1</property>
+    <property name="shotcut:hash">cc43bc6e55d30bec7a8aac8c39901bee</property>
+    <property name="shotcut:caption">Screen Recording 2024-01-22 at 04.02.43.mov</property>
+    <property name="xml">was here</property>
+    <property name="meta.media.top_field_first">0</property>
+    <property name="meta.media.progressive">1</property>
     <property name="shotcut:defaultAudioIndex">1</property>
-    <filter id="filter71" in="00:19:30.200" out="00:19:31.960">
+    <property name="meta.shotcut.vui">1</property>
+    <property name="meta.attr.com.apple.quicktime.make.markup">Apple</property>
+    <property name="meta.attr.com.apple.quicktime.model.markup">MacBookPro18,2</property>
+    <property name="meta.attr.com.apple.quicktime.software.markup">macOS 14.2.1 (23C71)</property>
+    <property name="meta.attr.com.apple.quicktime.creationdate.markup">2024-01-22T04:04:02+0100</property>
+    <filter id="filter55" in="00:14:43.040" out="00:14:49.120">
       <property name="background">color:#00000000</property>
       <property name="mlt_service">affine</property>
       <property name="shotcut:filter">affineSizePosition</property>
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-    <track producer="chain72" in="00:19:30.200" out="00:19:30.280"/>
-    <transition id="transition6" out="00:00:00.080">
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-      <property name="b_track">1</property>
-      <property name="factory">loader</property>
-      <property name="mlt_service">luma</property>
-      <property name="alpha_over">1</property>
-      <property name="fix_background_alpha">1</property>
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-    <transition id="transition7" out="00:00:00.080">
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-      <property name="b_track">1</property>
-      <property name="mlt_service">mix</property>
-      <property name="start">-1</property>
-      <property name="accepts_blanks">1</property>
-    </transition>
-  </tractor>
-  <chain id="chain73" out="00:34:36.440">
-    <property name="length">00:34:36.480</property>
+  <chain id="chain153" out="00:33:28.720">
+    <property name="length">00:33:28.760</property>
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-    <property name="resource">/Volumes/LaCie/GNU Taler films/ONLINE/tutorial-videos/original_media/merchant/order1/Screen Recording 2024-01-15 at 02.48.38.mov</property>
+    <property name="resource">/Volumes/LaCie/GNU Taler films/ONLINE/tutorial-videos/original_media/merchant/order1/Screen Recording 2024-01-22 at 04.02.43.mov</property>
     <property name="mlt_service">avformat-novalidate</property>
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     <property name="meta.media.0.stream.type">video</property>
-    <property name="meta.media.0.stream.frame_rate">37.955</property>
+    <property name="meta.media.0.stream.frame_rate">37.6514</property>
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     <property name="meta.media.0.codec.width">3456</property>
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     <property name="meta.media.0.codec.long_name">H.264 / AVC / MPEG-4 AVC / MPEG-4 part 10</property>
-    <property name="meta.media.0.codec.bit_rate">24972958</property>
-    <property name="meta.attr.0.stream.creation_time.markup">2024-01-15T02:24:11.000000Z</property>
+    <property name="meta.media.0.codec.bit_rate">25741987</property>
+    <property name="meta.attr.0.stream.creation_time.markup">2024-01-22T03:04:03.000000Z</property>
     <property name="meta.attr.0.stream.handler_name.markup">Core Media Video</property>
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     <property name="meta.attr.0.stream.encoder.markup">H.264</property>
@@ -6081,24 +11272,24 @@
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     <property name="meta.media.1.codec.name">aac</property>
     <property name="meta.media.1.codec.long_name">AAC (Advanced Audio Coding)</property>
-    <property name="meta.media.1.codec.bit_rate">125820</property>
-    <property name="meta.attr.1.stream.creation_time.markup">2024-01-15T02:24:11.000000Z</property>
+    <property name="meta.media.1.codec.bit_rate">125731</property>
+    <property name="meta.attr.1.stream.creation_time.markup">2024-01-22T03:04:03.000000Z</property>
     <property name="meta.attr.1.stream.handler_name.markup">Core Media Audio</property>
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     <property name="meta.attr.minor_version.markup">0</property>
     <property name="meta.attr.compatible_brands.markup">qt  </property>
-    <property name="meta.attr.creation_time.markup">2024-01-15T02:24:11.000000Z</property>
+    <property name="meta.attr.creation_time.markup">2024-01-22T03:04:03.000000Z</property>
     <property name="meta.attr.encoder.markup">Lavf60.16.100</property>
     <property name="seekable">1</property>
     <property name="meta.media.sample_aspect_num">1</property>
     <property name="meta.media.sample_aspect_den">1</property>
     <property name="audio_index">-1</property>
     <property name="video_index">0</property>
-    <property name="creation_time">2024-01-15T02:24:11</property>
+    <property name="creation_time">2024-01-22T03:04:03</property>
     <property name="vstream">0</property>
-    <property name="meta.media.frame_rate_num">4728780</property>
-    <property name="meta.media.frame_rate_den">124589</property>
+    <property name="meta.media.frame_rate_num">100868</property>
+    <property name="meta.media.frame_rate_den">2679</property>
     <property name="meta.media.colorspace">709</property>
     <property name="meta.media.color_trc">1</property>
     <property name="meta.media.has_b_frames">1</property>
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     <property name="meta.media.aspect_ratio">1</property>
     <property name="meta.media.color_range">mpeg</property>
     <property name="astream">-1</property>
-    <property name="shotcut:hash">460b48940530c197dc6e411af3f9c8e1</property>
-    <property name="shotcut:caption">Screen Recording 2024-01-15 at 02.48.38.mov</property>
+    <property name="shotcut:hash">cc43bc6e55d30bec7a8aac8c39901bee</property>
+    <property name="shotcut:caption">Screen Recording 2024-01-22 at 04.02.43.mov</property>
     <property name="xml">was here</property>
     <property name="meta.media.top_field_first">0</property>
     <property name="meta.media.progressive">1</property>
+    <property name="shotcut:defaultAudioIndex">1</property>
     <property name="meta.shotcut.vui">1</property>
     <property name="meta.attr.com.apple.quicktime.make.markup">Apple</property>
     <property name="meta.attr.com.apple.quicktime.model.markup">MacBookPro18,2</property>
     <property name="meta.attr.com.apple.quicktime.software.markup">macOS 14.2.1 (23C71)</property>
-    <property name="meta.attr.com.apple.quicktime.creationdate.markup">2024-01-15T02:48:48+0100</property>
+    <property name="meta.attr.com.apple.quicktime.creationdate.markup">2024-01-22T04:04:02+0100</property>
+    <filter id="filter56" in="00:14:51.560" out="00:14:55.160">
+      <property name="background">color:#00000000</property>
+      <property name="mlt_service">affine</property>
+      <property name="shotcut:filter">affineSizePosition</property>
+      <property name="transition.fill">1</property>
+      <property name="transition.distort">0</property>
+      <property name="transition.rect">-255.585 -72 2456.86 1535.54 1</property>
+      <property name="transition.valign">middle</property>
+      <property name="transition.halign">center</property>
+      <property name="shotcut:animIn">00:00:00.000</property>
+      <property name="shotcut:animOut">00:00:00.000</property>
+      <property name="transition.threads">0</property>
+      <property name="transition.fix_rotate_x">0</property>
+    </filter>
+  </chain>
+  <chain id="chain154" out="00:33:28.720">
+    <property name="length">00:33:28.760</property>
+    <property name="eof">pause</property>
+    <property name="resource">/Volumes/LaCie/GNU Taler films/ONLINE/tutorial-videos/original_media/merchant/order1/Screen Recording 2024-01-22 at 04.02.43.mov</property>
+    <property name="mlt_service">avformat-novalidate</property>
+    <property name="meta.media.nb_streams">2</property>
+    <property name="meta.media.0.stream.type">video</property>
+    <property name="meta.media.0.stream.frame_rate">37.6514</property>
+    <property name="meta.media.0.stream.sample_aspect_ratio">0</property>
+    <property name="meta.media.0.codec.width">3456</property>
+    <property name="meta.media.0.codec.height">2160</property>
+    <property name="meta.media.0.codec.rotate">0</property>
+    <property name="meta.media.0.codec.pix_fmt">yuv420p</property>
+    <property name="meta.media.0.codec.sample_aspect_ratio">0</property>
+    <property name="meta.media.0.codec.colorspace">709</property>
+    <property name="meta.media.0.codec.color_trc">1</property>
+    <property name="meta.media.0.codec.name">h264</property>
+    <property name="meta.media.0.codec.long_name">H.264 / AVC / MPEG-4 AVC / MPEG-4 part 10</property>
+    <property name="meta.media.0.codec.bit_rate">25741987</property>
+    <property name="meta.attr.0.stream.creation_time.markup">2024-01-22T03:04:03.000000Z</property>
+    <property name="meta.attr.0.stream.handler_name.markup">Core Media Video</property>
+    <property name="meta.attr.0.stream.vendor_id.markup">[0][0][0][0]</property>
+    <property name="meta.attr.0.stream.encoder.markup">H.264</property>
+    <property name="meta.media.1.stream.type">audio</property>
+    <property name="meta.media.1.codec.sample_fmt">fltp</property>
+    <property name="meta.media.1.codec.sample_rate">44100</property>
+    <property name="meta.media.1.codec.channels">1</property>
+    <property name="meta.media.1.codec.name">aac</property>
+    <property name="meta.media.1.codec.long_name">AAC (Advanced Audio Coding)</property>
+    <property name="meta.media.1.codec.bit_rate">125731</property>
+    <property name="meta.attr.1.stream.creation_time.markup">2024-01-22T03:04:03.000000Z</property>
+    <property name="meta.attr.1.stream.handler_name.markup">Core Media Audio</property>
+    <property name="meta.attr.1.stream.vendor_id.markup">[0][0][0][0]</property>
+    <property name="meta.attr.major_brand.markup">qt  </property>
+    <property name="meta.attr.minor_version.markup">0</property>
+    <property name="meta.attr.compatible_brands.markup">qt  </property>
+    <property name="meta.attr.creation_time.markup">2024-01-22T03:04:03.000000Z</property>
+    <property name="meta.attr.encoder.markup">Lavf60.16.100</property>
+    <property name="seekable">1</property>
+    <property name="meta.media.sample_aspect_num">1</property>
+    <property name="meta.media.sample_aspect_den">1</property>
+    <property name="audio_index">-1</property>
+    <property name="video_index">0</property>
+    <property name="creation_time">2024-01-22T03:04:03</property>
+    <property name="vstream">0</property>
+    <property name="meta.media.frame_rate_num">100868</property>
+    <property name="meta.media.frame_rate_den">2679</property>
+    <property name="meta.media.colorspace">709</property>
+    <property name="meta.media.color_trc">1</property>
+    <property name="meta.media.has_b_frames">1</property>
+    <property name="meta.media.width">3456</property>
+    <property name="meta.media.height">2160</property>
+    <property name="meta.media.aspect_ratio">1</property>
+    <property name="meta.media.color_range">mpeg</property>
+    <property name="astream">-1</property>
+    <property name="shotcut:hash">cc43bc6e55d30bec7a8aac8c39901bee</property>
+    <property name="shotcut:caption">Screen Recording 2024-01-22 at 04.02.43.mov</property>
+    <property name="xml">was here</property>
+    <property name="meta.media.top_field_first">0</property>
+    <property name="meta.media.progressive">1</property>
     <property name="shotcut:defaultAudioIndex">1</property>
-    <filter id="filter75" in="00:19:36.960" out="00:19:50.680">
+    <property name="meta.attr.com.apple.quicktime.make.markup">Apple</property>
+    <property name="meta.attr.com.apple.quicktime.model.markup">MacBookPro18,2</property>
+    <property name="meta.attr.com.apple.quicktime.software.markup">macOS 14.2.1 (23C71)</property>
+    <property name="meta.attr.com.apple.quicktime.creationdate.markup">2024-01-22T04:04:02+0100</property>
+    <property name="meta.shotcut.vui">1</property>
+    <filter id="filter57" in="00:15:14.680" out="00:15:18.480">
       <property name="background">color:#00000000</property>
       <property name="mlt_service">affine</property>
       <property name="shotcut:filter">affineSizePosition</property>
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     </filter>
   </chain>
-  <chain id="chain74" out="00:34:36.440">
-    <property name="length">00:34:36.480</property>
+  <chain id="chain155" out="00:33:28.720">
+    <property name="length">00:33:28.760</property>
     <property name="eof">pause</property>
-    <property name="resource">/Volumes/LaCie/GNU Taler films/ONLINE/tutorial-videos/original_media/merchant/order1/Screen Recording 2024-01-15 at 02.48.38.mov</property>
+    <property name="resource">/Volumes/LaCie/GNU Taler films/ONLINE/tutorial-videos/original_media/merchant/order1/Screen Recording 2024-01-22 at 04.02.43.mov</property>
     <property name="mlt_service">avformat-novalidate</property>
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     <property name="meta.media.0.stream.type">video</property>
-    <property name="meta.media.0.stream.frame_rate">37.955</property>
+    <property name="meta.media.0.stream.frame_rate">37.6514</property>
     <property name="meta.media.0.stream.sample_aspect_ratio">0</property>
     <property name="meta.media.0.codec.width">3456</property>
     <property name="meta.media.0.codec.height">2160</property>
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     <property name="meta.media.0.codec.name">h264</property>
     <property name="meta.media.0.codec.long_name">H.264 / AVC / MPEG-4 AVC / MPEG-4 part 10</property>
-    <property name="meta.media.0.codec.bit_rate">24972958</property>
-    <property name="meta.attr.0.stream.creation_time.markup">2024-01-15T02:24:11.000000Z</property>
+    <property name="meta.media.0.codec.bit_rate">25741987</property>
+    <property name="meta.attr.0.stream.creation_time.markup">2024-01-22T03:04:03.000000Z</property>
     <property name="meta.attr.0.stream.handler_name.markup">Core Media Video</property>
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     <property name="meta.attr.0.stream.encoder.markup">H.264</property>
@@ -6162,24 +11434,24 @@
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     <property name="meta.media.1.codec.name">aac</property>
     <property name="meta.media.1.codec.long_name">AAC (Advanced Audio Coding)</property>
-    <property name="meta.media.1.codec.bit_rate">125820</property>
-    <property name="meta.attr.1.stream.creation_time.markup">2024-01-15T02:24:11.000000Z</property>
+    <property name="meta.media.1.codec.bit_rate">125731</property>
+    <property name="meta.attr.1.stream.creation_time.markup">2024-01-22T03:04:03.000000Z</property>
     <property name="meta.attr.1.stream.handler_name.markup">Core Media Audio</property>
     <property name="meta.attr.1.stream.vendor_id.markup">[0][0][0][0]</property>
     <property name="meta.attr.major_brand.markup">qt  </property>
     <property name="meta.attr.minor_version.markup">0</property>
     <property name="meta.attr.compatible_brands.markup">qt  </property>
-    <property name="meta.attr.creation_time.markup">2024-01-15T02:24:11.000000Z</property>
+    <property name="meta.attr.creation_time.markup">2024-01-22T03:04:03.000000Z</property>
     <property name="meta.attr.encoder.markup">Lavf60.16.100</property>
     <property name="seekable">1</property>
     <property name="meta.media.sample_aspect_num">1</property>
     <property name="meta.media.sample_aspect_den">1</property>
     <property name="audio_index">-1</property>
     <property name="video_index">0</property>
-    <property name="creation_time">2024-01-15T02:24:11</property>
+    <property name="creation_time">2024-01-22T03:04:03</property>
     <property name="vstream">0</property>
-    <property name="meta.media.frame_rate_num">4728780</property>
-    <property name="meta.media.frame_rate_den">124589</property>
+    <property name="meta.media.frame_rate_num">100868</property>
+    <property name="meta.media.frame_rate_den">2679</property>
     <property name="meta.media.colorspace">709</property>
     <property name="meta.media.color_trc">1</property>
     <property name="meta.media.has_b_frames">1</property>
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     <property name="meta.media.aspect_ratio">1</property>
     <property name="meta.media.color_range">mpeg</property>
     <property name="astream">-1</property>
-    <property name="shotcut:hash">460b48940530c197dc6e411af3f9c8e1</property>
-    <property name="shotcut:caption">Screen Recording 2024-01-15 at 02.48.38.mov</property>
+    <property name="shotcut:hash">cc43bc6e55d30bec7a8aac8c39901bee</property>
+    <property name="shotcut:caption">Screen Recording 2024-01-22 at 04.02.43.mov</property>
     <property name="xml">was here</property>
     <property name="meta.media.top_field_first">0</property>
     <property name="meta.media.progressive">1</property>
+    <property name="shotcut:defaultAudioIndex">1</property>
     <property name="meta.shotcut.vui">1</property>
     <property name="meta.attr.com.apple.quicktime.make.markup">Apple</property>
     <property name="meta.attr.com.apple.quicktime.model.markup">MacBookPro18,2</property>
     <property name="meta.attr.com.apple.quicktime.software.markup">macOS 14.2.1 (23C71)</property>
-    <property name="meta.attr.com.apple.quicktime.creationdate.markup">2024-01-15T02:48:48+0100</property>
-    <property name="shotcut:defaultAudioIndex">1</property>
-    <filter id="filter76" in="00:20:30.200" out="00:20:49.400">
+    <property name="meta.attr.com.apple.quicktime.creationdate.markup">2024-01-22T04:04:02+0100</property>
+    <filter id="filter58" in="00:15:19.040" out="00:15:23.200">
       <property name="background">color:#00000000</property>
       <property name="mlt_service">affine</property>
       <property name="shotcut:filter">affineSizePosition</property>
@@ -6214,14 +11486,14 @@
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     </filter>
   </chain>
-  <chain id="chain75" out="00:34:36.440">
-    <property name="length">00:34:36.480</property>
+  <chain id="chain156" out="00:33:28.720">
+    <property name="length">00:33:28.760</property>
     <property name="eof">pause</property>
-    <property name="resource">/Volumes/LaCie/GNU Taler films/ONLINE/tutorial-videos/original_media/merchant/order1/Screen Recording 2024-01-15 at 02.48.38.mov</property>
+    <property name="resource">/Volumes/LaCie/GNU Taler films/ONLINE/tutorial-videos/original_media/merchant/order1/Screen Recording 2024-01-22 at 04.02.43.mov</property>
     <property name="mlt_service">avformat-novalidate</property>
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     <property name="meta.media.0.stream.type">video</property>
-    <property name="meta.media.0.stream.frame_rate">37.955</property>
+    <property name="meta.media.0.stream.frame_rate">37.6514</property>
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     <property name="meta.media.0.codec.width">3456</property>
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     <property name="meta.media.0.codec.long_name">H.264 / AVC / MPEG-4 AVC / MPEG-4 part 10</property>
-    <property name="meta.media.0.codec.bit_rate">24972958</property>
-    <property name="meta.attr.0.stream.creation_time.markup">2024-01-15T02:24:11.000000Z</property>
+    <property name="meta.media.0.codec.bit_rate">25741987</property>
+    <property name="meta.attr.0.stream.creation_time.markup">2024-01-22T03:04:03.000000Z</property>
     <property name="meta.attr.0.stream.handler_name.markup">Core Media Video</property>
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     <property name="meta.media.1.codec.name">aac</property>
     <property name="meta.media.1.codec.long_name">AAC (Advanced Audio Coding)</property>
-    <property name="meta.media.1.codec.bit_rate">125820</property>
-    <property name="meta.attr.1.stream.creation_time.markup">2024-01-15T02:24:11.000000Z</property>
+    <property name="meta.media.1.codec.bit_rate">125731</property>
+    <property name="meta.attr.1.stream.creation_time.markup">2024-01-22T03:04:03.000000Z</property>
     <property name="meta.attr.1.stream.handler_name.markup">Core Media Audio</property>
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     <property name="meta.attr.major_brand.markup">qt  </property>
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     <property name="meta.attr.compatible_brands.markup">qt  </property>
-    <property name="meta.attr.creation_time.markup">2024-01-15T02:24:11.000000Z</property>
+    <property name="meta.attr.creation_time.markup">2024-01-22T03:04:03.000000Z</property>
     <property name="meta.attr.encoder.markup">Lavf60.16.100</property>
     <property name="seekable">1</property>
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     <property name="audio_index">-1</property>
     <property name="video_index">0</property>
-    <property name="creation_time">2024-01-15T02:24:11</property>
+    <property name="creation_time">2024-01-22T03:04:03</property>
     <property name="vstream">0</property>
-    <property name="meta.media.frame_rate_num">4728780</property>
-    <property name="meta.media.frame_rate_den">124589</property>
+    <property name="meta.media.frame_rate_num">100868</property>
+    <property name="meta.media.frame_rate_den">2679</property>
     <property name="meta.media.colorspace">709</property>
     <property name="meta.media.color_trc">1</property>
     <property name="meta.media.has_b_frames">1</property>
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-    <property name="shotcut:caption">Screen Recording 2024-01-15 at 02.48.38.mov</property>
+    <property name="shotcut:hash">cc43bc6e55d30bec7a8aac8c39901bee</property>
+    <property name="shotcut:caption">Screen Recording 2024-01-22 at 04.02.43.mov</property>
     <property name="xml">was here</property>
     <property name="meta.media.top_field_first">0</property>
     <property name="meta.media.progressive">1</property>
+    <property name="shotcut:defaultAudioIndex">1</property>
     <property name="meta.shotcut.vui">1</property>
     <property name="meta.attr.com.apple.quicktime.make.markup">Apple</property>
     <property name="meta.attr.com.apple.quicktime.model.markup">MacBookPro18,2</property>
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-    <property name="meta.attr.com.apple.quicktime.creationdate.markup">2024-01-15T02:48:48+0100</property>
+    <property name="meta.attr.com.apple.quicktime.creationdate.markup">2024-01-22T04:04:02+0100</property>
+    <filter id="filter59" in="00:15:24.080" out="00:15:25.920">
+      <property name="background">color:#00000000</property>
+      <property name="mlt_service">affine</property>
+      <property name="shotcut:filter">affineSizePosition</property>
+      <property name="transition.fill">1</property>
+      <property name="transition.distort">0</property>
+      <property name="transition.rect">-255.585 -72 2456.86 1535.54 1</property>
+      <property name="transition.valign">middle</property>
+      <property name="transition.halign">center</property>
+      <property name="shotcut:animIn">00:00:00.000</property>
+      <property name="shotcut:animOut">00:00:00.000</property>
+      <property name="transition.threads">0</property>
+      <property name="transition.fix_rotate_x">0</property>
+    </filter>
+  </chain>
+  <chain id="chain157" out="00:33:28.720">
+    <property name="length">00:33:28.760</property>
+    <property name="eof">pause</property>
+    <property name="resource">/Volumes/LaCie/GNU Taler films/ONLINE/tutorial-videos/original_media/merchant/order1/Screen Recording 2024-01-22 at 04.02.43.mov</property>
+    <property name="mlt_service">avformat-novalidate</property>
+    <property name="meta.media.nb_streams">2</property>
+    <property name="meta.media.0.stream.type">video</property>
+    <property name="meta.media.0.stream.frame_rate">37.6514</property>
+    <property name="meta.media.0.stream.sample_aspect_ratio">0</property>
+    <property name="meta.media.0.codec.width">3456</property>
+    <property name="meta.media.0.codec.height">2160</property>
+    <property name="meta.media.0.codec.rotate">0</property>
+    <property name="meta.media.0.codec.pix_fmt">yuv420p</property>
+    <property name="meta.media.0.codec.sample_aspect_ratio">0</property>
+    <property name="meta.media.0.codec.colorspace">709</property>
+    <property name="meta.media.0.codec.color_trc">1</property>
+    <property name="meta.media.0.codec.name">h264</property>
+    <property name="meta.media.0.codec.long_name">H.264 / AVC / MPEG-4 AVC / MPEG-4 part 10</property>
+    <property name="meta.media.0.codec.bit_rate">25741987</property>
+    <property name="meta.attr.0.stream.creation_time.markup">2024-01-22T03:04:03.000000Z</property>
+    <property name="meta.attr.0.stream.handler_name.markup">Core Media Video</property>
+    <property name="meta.attr.0.stream.vendor_id.markup">[0][0][0][0]</property>
+    <property name="meta.attr.0.stream.encoder.markup">H.264</property>
+    <property name="meta.media.1.stream.type">audio</property>
+    <property name="meta.media.1.codec.sample_fmt">fltp</property>
+    <property name="meta.media.1.codec.sample_rate">44100</property>
+    <property name="meta.media.1.codec.channels">1</property>
+    <property name="meta.media.1.codec.name">aac</property>
+    <property name="meta.media.1.codec.long_name">AAC (Advanced Audio Coding)</property>
+    <property name="meta.media.1.codec.bit_rate">125731</property>
+    <property name="meta.attr.1.stream.creation_time.markup">2024-01-22T03:04:03.000000Z</property>
+    <property name="meta.attr.1.stream.handler_name.markup">Core Media Audio</property>
+    <property name="meta.attr.1.stream.vendor_id.markup">[0][0][0][0]</property>
+    <property name="meta.attr.major_brand.markup">qt  </property>
+    <property name="meta.attr.minor_version.markup">0</property>
+    <property name="meta.attr.compatible_brands.markup">qt  </property>
+    <property name="meta.attr.creation_time.markup">2024-01-22T03:04:03.000000Z</property>
+    <property name="meta.attr.encoder.markup">Lavf60.16.100</property>
+    <property name="seekable">1</property>
+    <property name="meta.media.sample_aspect_num">1</property>
+    <property name="meta.media.sample_aspect_den">1</property>
+    <property name="audio_index">-1</property>
+    <property name="video_index">0</property>
+    <property name="creation_time">2024-01-22T03:04:03</property>
+    <property name="vstream">0</property>
+    <property name="meta.media.frame_rate_num">100868</property>
+    <property name="meta.media.frame_rate_den">2679</property>
+    <property name="meta.media.colorspace">709</property>
+    <property name="meta.media.color_trc">1</property>
+    <property name="meta.media.has_b_frames">1</property>
+    <property name="meta.media.width">3456</property>
+    <property name="meta.media.height">2160</property>
+    <property name="meta.media.aspect_ratio">1</property>
+    <property name="meta.media.color_range">mpeg</property>
+    <property name="astream">-1</property>
+    <property name="shotcut:hash">cc43bc6e55d30bec7a8aac8c39901bee</property>
+    <property name="shotcut:caption">Screen Recording 2024-01-22 at 04.02.43.mov</property>
+    <property name="xml">was here</property>
+    <property name="meta.media.top_field_first">0</property>
+    <property name="meta.media.progressive">1</property>
     <property name="shotcut:defaultAudioIndex">1</property>
-    <filter id="filter77" in="00:20:55.160" out="00:21:21.400">
+    <property name="meta.attr.com.apple.quicktime.make.markup">Apple</property>
+    <property name="meta.attr.com.apple.quicktime.model.markup">MacBookPro18,2</property>
+    <property name="meta.attr.com.apple.quicktime.software.markup">macOS 14.2.1 (23C71)</property>
+    <property name="meta.attr.com.apple.quicktime.creationdate.markup">2024-01-22T04:04:02+0100</property>
+    <property name="meta.shotcut.vui">1</property>
+    <filter id="filter60" in="00:15:41.480" out="00:15:48.720">
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       <property name="mlt_service">affine</property>
       <property name="shotcut:filter">affineSizePosition</property>
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-  <chain id="chain76" out="00:34:36.440">
-    <property name="length">00:34:36.480</property>
+  <chain id="chain158" out="00:33:28.720">
+    <property name="length">00:33:28.760</property>
     <property name="eof">pause</property>
-    <property name="resource">/Volumes/LaCie/GNU Taler films/ONLINE/tutorial-videos/original_media/merchant/order1/Screen Recording 2024-01-15 at 02.48.38.mov</property>
+    <property name="resource">/Volumes/LaCie/GNU Taler films/ONLINE/tutorial-videos/original_media/merchant/order1/Screen Recording 2024-01-22 at 04.02.43.mov</property>
     <property name="mlt_service">avformat-novalidate</property>
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     <property name="meta.media.0.stream.type">video</property>
-    <property name="meta.media.0.stream.frame_rate">37.955</property>
+    <property name="meta.media.0.stream.frame_rate">37.6514</property>
     <property name="meta.media.0.stream.sample_aspect_ratio">0</property>
     <property name="meta.media.0.codec.width">3456</property>
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     <property name="meta.media.0.codec.long_name">H.264 / AVC / MPEG-4 AVC / MPEG-4 part 10</property>
-    <property name="meta.media.0.codec.bit_rate">24972958</property>
-    <property name="meta.attr.0.stream.creation_time.markup">2024-01-15T02:24:11.000000Z</property>
+    <property name="meta.media.0.codec.bit_rate">25741987</property>
+    <property name="meta.attr.0.stream.creation_time.markup">2024-01-22T03:04:03.000000Z</property>
     <property name="meta.attr.0.stream.handler_name.markup">Core Media Video</property>
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@@ -6324,24 +11677,24 @@
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     <property name="meta.media.1.codec.name">aac</property>
     <property name="meta.media.1.codec.long_name">AAC (Advanced Audio Coding)</property>
-    <property name="meta.media.1.codec.bit_rate">125820</property>
-    <property name="meta.attr.1.stream.creation_time.markup">2024-01-15T02:24:11.000000Z</property>
+    <property name="meta.media.1.codec.bit_rate">125731</property>
+    <property name="meta.attr.1.stream.creation_time.markup">2024-01-22T03:04:03.000000Z</property>
     <property name="meta.attr.1.stream.handler_name.markup">Core Media Audio</property>
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     <property name="meta.attr.major_brand.markup">qt  </property>
     <property name="meta.attr.minor_version.markup">0</property>
     <property name="meta.attr.compatible_brands.markup">qt  </property>
-    <property name="meta.attr.creation_time.markup">2024-01-15T02:24:11.000000Z</property>
+    <property name="meta.attr.creation_time.markup">2024-01-22T03:04:03.000000Z</property>
     <property name="meta.attr.encoder.markup">Lavf60.16.100</property>
     <property name="seekable">1</property>
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     <property name="audio_index">-1</property>
     <property name="video_index">0</property>
-    <property name="creation_time">2024-01-15T02:24:11</property>
+    <property name="creation_time">2024-01-22T03:04:03</property>
     <property name="vstream">0</property>
-    <property name="meta.media.frame_rate_num">4728780</property>
-    <property name="meta.media.frame_rate_den">124589</property>
+    <property name="meta.media.frame_rate_num">100868</property>
+    <property name="meta.media.frame_rate_den">2679</property>
     <property name="meta.media.colorspace">709</property>
     <property name="meta.media.color_trc">1</property>
     <property name="meta.media.has_b_frames">1</property>
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     <property name="meta.media.aspect_ratio">1</property>
     <property name="meta.media.color_range">mpeg</property>
     <property name="astream">-1</property>
-    <property name="shotcut:hash">460b48940530c197dc6e411af3f9c8e1</property>
-    <property name="shotcut:caption">Screen Recording 2024-01-15 at 02.48.38.mov</property>
+    <property name="shotcut:hash">cc43bc6e55d30bec7a8aac8c39901bee</property>
+    <property name="shotcut:caption">Screen Recording 2024-01-22 at 04.02.43.mov</property>
     <property name="xml">was here</property>
     <property name="meta.media.top_field_first">0</property>
     <property name="meta.media.progressive">1</property>
+    <property name="shotcut:defaultAudioIndex">1</property>
     <property name="meta.shotcut.vui">1</property>
     <property name="meta.attr.com.apple.quicktime.make.markup">Apple</property>
     <property name="meta.attr.com.apple.quicktime.model.markup">MacBookPro18,2</property>
     <property name="meta.attr.com.apple.quicktime.software.markup">macOS 14.2.1 (23C71)</property>
-    <property name="meta.attr.com.apple.quicktime.creationdate.markup">2024-01-15T02:48:48+0100</property>
-    <property name="shotcut:defaultAudioIndex">1</property>
-    <filter id="filter78" in="00:22:55.280" out="00:23:05.680">
+    <property name="meta.attr.com.apple.quicktime.creationdate.markup">2024-01-22T04:04:02+0100</property>
+    <filter id="filter61" in="00:15:51.360" out="00:16:01.040">
       <property name="background">color:#00000000</property>
       <property name="mlt_service">affine</property>
       <property name="shotcut:filter">affineSizePosition</property>
@@ -6376,14 +11729,14 @@
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     </filter>
   </chain>
-  <chain id="chain77" out="00:34:36.440">
-    <property name="length">00:34:36.480</property>
+  <chain id="chain159" out="00:33:28.720">
+    <property name="length">00:33:28.760</property>
     <property name="eof">pause</property>
-    <property name="resource">/Volumes/LaCie/GNU Taler films/ONLINE/tutorial-videos/original_media/merchant/order1/Screen Recording 2024-01-15 at 02.48.38.mov</property>
+    <property name="resource">/Volumes/LaCie/GNU Taler films/ONLINE/tutorial-videos/original_media/merchant/order1/Screen Recording 2024-01-22 at 04.02.43.mov</property>
     <property name="mlt_service">avformat-novalidate</property>
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     <property name="meta.media.0.stream.type">video</property>
-    <property name="meta.media.0.stream.frame_rate">37.955</property>
+    <property name="meta.media.0.stream.frame_rate">37.6514</property>
     <property name="meta.media.0.stream.sample_aspect_ratio">0</property>
     <property name="meta.media.0.codec.width">3456</property>
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     <property name="meta.media.0.codec.long_name">H.264 / AVC / MPEG-4 AVC / MPEG-4 part 10</property>
-    <property name="meta.media.0.codec.bit_rate">24972958</property>
-    <property name="meta.attr.0.stream.creation_time.markup">2024-01-15T02:24:11.000000Z</property>
+    <property name="meta.media.0.codec.bit_rate">25741987</property>
+    <property name="meta.attr.0.stream.creation_time.markup">2024-01-22T03:04:03.000000Z</property>
     <property name="meta.attr.0.stream.handler_name.markup">Core Media Video</property>
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     <property name="meta.attr.0.stream.encoder.markup">H.264</property>
@@ -6405,24 +11758,24 @@
     <property name="meta.media.1.codec.channels">1</property>
     <property name="meta.media.1.codec.name">aac</property>
     <property name="meta.media.1.codec.long_name">AAC (Advanced Audio Coding)</property>
-    <property name="meta.media.1.codec.bit_rate">125820</property>
-    <property name="meta.attr.1.stream.creation_time.markup">2024-01-15T02:24:11.000000Z</property>
+    <property name="meta.media.1.codec.bit_rate">125731</property>
+    <property name="meta.attr.1.stream.creation_time.markup">2024-01-22T03:04:03.000000Z</property>
     <property name="meta.attr.1.stream.handler_name.markup">Core Media Audio</property>
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     <property name="meta.attr.major_brand.markup">qt  </property>
     <property name="meta.attr.minor_version.markup">0</property>
     <property name="meta.attr.compatible_brands.markup">qt  </property>
-    <property name="meta.attr.creation_time.markup">2024-01-15T02:24:11.000000Z</property>
+    <property name="meta.attr.creation_time.markup">2024-01-22T03:04:03.000000Z</property>
     <property name="meta.attr.encoder.markup">Lavf60.16.100</property>
     <property name="seekable">1</property>
     <property name="meta.media.sample_aspect_num">1</property>
     <property name="meta.media.sample_aspect_den">1</property>
     <property name="audio_index">-1</property>
     <property name="video_index">0</property>
-    <property name="creation_time">2024-01-15T02:24:11</property>
+    <property name="creation_time">2024-01-22T03:04:03</property>
     <property name="vstream">0</property>
-    <property name="meta.media.frame_rate_num">4728780</property>
-    <property name="meta.media.frame_rate_den">124589</property>
+    <property name="meta.media.frame_rate_num">100868</property>
+    <property name="meta.media.frame_rate_den">2679</property>
     <property name="meta.media.colorspace">709</property>
     <property name="meta.media.color_trc">1</property>
     <property name="meta.media.has_b_frames">1</property>
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     <property name="meta.media.aspect_ratio">1</property>
     <property name="meta.media.color_range">mpeg</property>
     <property name="astream">-1</property>
-    <property name="shotcut:hash">460b48940530c197dc6e411af3f9c8e1</property>
-    <property name="shotcut:caption">Screen Recording 2024-01-15 at 02.48.38.mov</property>
+    <property name="shotcut:hash">cc43bc6e55d30bec7a8aac8c39901bee</property>
+    <property name="shotcut:caption">Screen Recording 2024-01-22 at 04.02.43.mov</property>
     <property name="xml">was here</property>
     <property name="meta.media.top_field_first">0</property>
     <property name="meta.media.progressive">1</property>
+    <property name="shotcut:defaultAudioIndex">1</property>
     <property name="meta.shotcut.vui">1</property>
     <property name="meta.attr.com.apple.quicktime.make.markup">Apple</property>
     <property name="meta.attr.com.apple.quicktime.model.markup">MacBookPro18,2</property>
     <property name="meta.attr.com.apple.quicktime.software.markup">macOS 14.2.1 (23C71)</property>
-    <property name="meta.attr.com.apple.quicktime.creationdate.markup">2024-01-15T02:48:48+0100</property>
+    <property name="meta.attr.com.apple.quicktime.creationdate.markup">2024-01-22T04:04:02+0100</property>
+    <filter id="filter62" in="00:16:12.640" out="00:16:15.960">
+      <property name="background">color:#00000000</property>
+      <property name="mlt_service">affine</property>
+      <property name="shotcut:filter">affineSizePosition</property>
+      <property name="transition.fill">1</property>
+      <property name="transition.distort">0</property>
+      <property name="transition.rect">-205.985 -44 1759.26 1099.54 1</property>
+      <property name="transition.valign">middle</property>
+      <property name="transition.halign">center</property>
+      <property name="shotcut:animIn">00:00:00.000</property>
+      <property name="shotcut:animOut">00:00:00.000</property>
+      <property name="transition.threads">0</property>
+      <property name="transition.fix_rotate_x">0</property>
+    </filter>
+  </chain>
+  <chain id="chain160" out="00:33:28.720">
+    <property name="length">00:33:28.760</property>
+    <property name="eof">pause</property>
+    <property name="resource">/Volumes/LaCie/GNU Taler films/ONLINE/tutorial-videos/original_media/merchant/order1/Screen Recording 2024-01-22 at 04.02.43.mov</property>
+    <property name="mlt_service">avformat-novalidate</property>
+    <property name="meta.media.nb_streams">2</property>
+    <property name="meta.media.0.stream.type">video</property>
+    <property name="meta.media.0.stream.frame_rate">37.6514</property>
+    <property name="meta.media.0.stream.sample_aspect_ratio">0</property>
+    <property name="meta.media.0.codec.width">3456</property>
+    <property name="meta.media.0.codec.height">2160</property>
+    <property name="meta.media.0.codec.rotate">0</property>
+    <property name="meta.media.0.codec.pix_fmt">yuv420p</property>
+    <property name="meta.media.0.codec.sample_aspect_ratio">0</property>
+    <property name="meta.media.0.codec.colorspace">709</property>
+    <property name="meta.media.0.codec.color_trc">1</property>
+    <property name="meta.media.0.codec.name">h264</property>
+    <property name="meta.media.0.codec.long_name">H.264 / AVC / MPEG-4 AVC / MPEG-4 part 10</property>
+    <property name="meta.media.0.codec.bit_rate">25741987</property>
+    <property name="meta.attr.0.stream.creation_time.markup">2024-01-22T03:04:03.000000Z</property>
+    <property name="meta.attr.0.stream.handler_name.markup">Core Media Video</property>
+    <property name="meta.attr.0.stream.vendor_id.markup">[0][0][0][0]</property>
+    <property name="meta.attr.0.stream.encoder.markup">H.264</property>
+    <property name="meta.media.1.stream.type">audio</property>
+    <property name="meta.media.1.codec.sample_fmt">fltp</property>
+    <property name="meta.media.1.codec.sample_rate">44100</property>
+    <property name="meta.media.1.codec.channels">1</property>
+    <property name="meta.media.1.codec.name">aac</property>
+    <property name="meta.media.1.codec.long_name">AAC (Advanced Audio Coding)</property>
+    <property name="meta.media.1.codec.bit_rate">125731</property>
+    <property name="meta.attr.1.stream.creation_time.markup">2024-01-22T03:04:03.000000Z</property>
+    <property name="meta.attr.1.stream.handler_name.markup">Core Media Audio</property>
+    <property name="meta.attr.1.stream.vendor_id.markup">[0][0][0][0]</property>
+    <property name="meta.attr.major_brand.markup">qt  </property>
+    <property name="meta.attr.minor_version.markup">0</property>
+    <property name="meta.attr.compatible_brands.markup">qt  </property>
+    <property name="meta.attr.creation_time.markup">2024-01-22T03:04:03.000000Z</property>
+    <property name="meta.attr.encoder.markup">Lavf60.16.100</property>
+    <property name="seekable">1</property>
+    <property name="meta.media.sample_aspect_num">1</property>
+    <property name="meta.media.sample_aspect_den">1</property>
+    <property name="audio_index">-1</property>
+    <property name="video_index">0</property>
+    <property name="creation_time">2024-01-22T03:04:03</property>
+    <property name="vstream">0</property>
+    <property name="meta.media.frame_rate_num">100868</property>
+    <property name="meta.media.frame_rate_den">2679</property>
+    <property name="meta.media.colorspace">709</property>
+    <property name="meta.media.color_trc">1</property>
+    <property name="meta.media.has_b_frames">1</property>
+    <property name="meta.media.width">3456</property>
+    <property name="meta.media.height">2160</property>
+    <property name="meta.media.aspect_ratio">1</property>
+    <property name="meta.media.color_range">mpeg</property>
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+    <property name="shotcut:hash">cc43bc6e55d30bec7a8aac8c39901bee</property>
+    <property name="shotcut:caption">Screen Recording 2024-01-22 at 04.02.43.mov</property>
+    <property name="xml">was here</property>
+    <property name="meta.media.top_field_first">0</property>
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+    <property name="meta.attr.com.apple.quicktime.make.markup">Apple</property>
+    <property name="meta.attr.com.apple.quicktime.model.markup">MacBookPro18,2</property>
+    <property name="meta.attr.com.apple.quicktime.software.markup">macOS 14.2.1 (23C71)</property>
+    <property name="meta.attr.com.apple.quicktime.creationdate.markup">2024-01-22T04:04:02+0100</property>
+    <property name="meta.shotcut.vui">1</property>
+    <filter id="filter63" in="00:16:35.160" out="00:16:38.680">
       <property name="background">color:#00000000</property>
       <property name="mlt_service">affine</property>
       <property name="shotcut:filter">affineSizePosition</property>
       <property name="transition.fill">1</property>
       <property name="transition.distort">0</property>
-      <property name="transition.rect">-1000 -118 3622.4 2264 1</property>
+      <property name="transition.rect">-182.785 -36 2124.06 1372 1</property>
       <property name="transition.valign">middle</property>
       <property name="transition.halign">center</property>
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-    <property name="length">00:34:36.480</property>
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     <property name="eof">pause</property>
-    <property name="resource">/Volumes/LaCie/GNU Taler films/ONLINE/tutorial-videos/original_media/merchant/order1/Screen Recording 2024-01-15 at 02.48.38.mov</property>
+    <property name="resource">/Volumes/LaCie/GNU Taler films/ONLINE/tutorial-videos/original_media/merchant/order1/Screen Recording 2024-01-22 at 04.02.43.mov</property>
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     <property name="meta.media.0.stream.type">video</property>
-    <property name="meta.media.0.stream.frame_rate">37.955</property>
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     <property name="meta.media.0.codec.long_name">H.264 / AVC / MPEG-4 AVC / MPEG-4 part 10</property>
-    <property name="meta.media.0.codec.bit_rate">24972958</property>
-    <property name="meta.attr.0.stream.creation_time.markup">2024-01-15T02:24:11.000000Z</property>
+    <property name="meta.media.0.codec.bit_rate">25741987</property>
+    <property name="meta.attr.0.stream.creation_time.markup">2024-01-22T03:04:03.000000Z</property>
     <property name="meta.attr.0.stream.handler_name.markup">Core Media Video</property>
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     <property name="meta.media.1.codec.name">aac</property>
     <property name="meta.media.1.codec.long_name">AAC (Advanced Audio Coding)</property>
-    <property name="meta.media.1.codec.bit_rate">125820</property>
-    <property name="meta.attr.1.stream.creation_time.markup">2024-01-15T02:24:11.000000Z</property>
+    <property name="meta.media.1.codec.bit_rate">125731</property>
+    <property name="meta.attr.1.stream.creation_time.markup">2024-01-22T03:04:03.000000Z</property>
     <property name="meta.attr.1.stream.handler_name.markup">Core Media Audio</property>
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     <property name="meta.attr.minor_version.markup">0</property>
     <property name="meta.attr.compatible_brands.markup">qt  </property>
-    <property name="meta.attr.creation_time.markup">2024-01-15T02:24:11.000000Z</property>
+    <property name="meta.attr.creation_time.markup">2024-01-22T03:04:03.000000Z</property>
     <property name="meta.attr.encoder.markup">Lavf60.16.100</property>
     <property name="seekable">1</property>
     <property name="meta.media.sample_aspect_num">1</property>
     <property name="meta.media.sample_aspect_den">1</property>
     <property name="audio_index">-1</property>
     <property name="video_index">0</property>
-    <property name="creation_time">2024-01-15T02:24:11</property>
+    <property name="creation_time">2024-01-22T03:04:03</property>
     <property name="vstream">0</property>
-    <property name="meta.media.frame_rate_num">4728780</property>
-    <property name="meta.media.frame_rate_den">124589</property>
+    <property name="meta.media.frame_rate_num">100868</property>
+    <property name="meta.media.frame_rate_den">2679</property>
     <property name="meta.media.colorspace">709</property>
     <property name="meta.media.color_trc">1</property>
     <property name="meta.media.has_b_frames">1</property>
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     <property name="meta.media.color_range">mpeg</property>
     <property name="astream">-1</property>
-    <property name="shotcut:hash">460b48940530c197dc6e411af3f9c8e1</property>
-    <property name="shotcut:caption">Screen Recording 2024-01-15 at 02.48.38.mov</property>
+    <property name="shotcut:hash">cc43bc6e55d30bec7a8aac8c39901bee</property>
+    <property name="shotcut:caption">Screen Recording 2024-01-22 at 04.02.43.mov</property>
     <property name="xml">was here</property>
     <property name="meta.media.top_field_first">0</property>
     <property name="meta.media.progressive">1</property>
+    <property name="shotcut:defaultAudioIndex">1</property>
     <property name="meta.shotcut.vui">1</property>
     <property name="meta.attr.com.apple.quicktime.make.markup">Apple</property>
     <property name="meta.attr.com.apple.quicktime.model.markup">MacBookPro18,2</property>
     <property name="meta.attr.com.apple.quicktime.software.markup">macOS 14.2.1 (23C71)</property>
-    <property name="meta.attr.com.apple.quicktime.creationdate.markup">2024-01-15T02:48:48+0100</property>
-    <property name="shotcut:defaultAudioIndex">1</property>
-    <filter id="filter80" in="00:23:40.080" out="00:23:51.600">
+    <property name="meta.attr.com.apple.quicktime.creationdate.markup">2024-01-22T04:04:02+0100</property>
+    <filter id="filter64" in="00:16:41.920" out="00:16:43.320">
       <property name="background">color:#00000000</property>
       <property name="mlt_service">affine</property>
       <property name="shotcut:filter">affineSizePosition</property>
       <property name="transition.fill">1</property>
       <property name="transition.distort">0</property>
-      <property name="transition.rect">-1000 -68 3756.06 2347.54 1</property>
+      <property name="transition.rect">-182.785 -36 2124.06 1372 1</property>
       <property name="transition.valign">middle</property>
       <property name="transition.halign">center</property>
       <property name="shotcut:animIn">00:00:00.000</property>
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     </filter>
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-  <chain id="chain79" out="00:34:36.440">
-    <property name="length">00:34:36.480</property>
+  <chain id="chain162" out="00:33:28.720">
+    <property name="length">00:33:28.760</property>
     <property name="eof">pause</property>
-    <property name="resource">/Volumes/LaCie/GNU Taler films/ONLINE/tutorial-videos/original_media/merchant/order1/Screen Recording 2024-01-15 at 02.48.38.mov</property>
+    <property name="resource">/Volumes/LaCie/GNU Taler films/ONLINE/tutorial-videos/original_media/merchant/order1/Screen Recording 2024-01-22 at 04.02.43.mov</property>
     <property name="mlt_service">avformat-novalidate</property>
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     <property name="meta.media.0.stream.type">video</property>
-    <property name="meta.media.0.stream.frame_rate">37.955</property>
+    <property name="meta.media.0.stream.frame_rate">37.6514</property>
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     <property name="meta.media.0.codec.name">h264</property>
     <property name="meta.media.0.codec.long_name">H.264 / AVC / MPEG-4 AVC / MPEG-4 part 10</property>
-    <property name="meta.media.0.codec.bit_rate">24972958</property>
-    <property name="meta.attr.0.stream.creation_time.markup">2024-01-15T02:24:11.000000Z</property>
+    <property name="meta.media.0.codec.bit_rate">25741987</property>
+    <property name="meta.attr.0.stream.creation_time.markup">2024-01-22T03:04:03.000000Z</property>
     <property name="meta.attr.0.stream.handler_name.markup">Core Media Video</property>
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     <property name="meta.attr.0.stream.encoder.markup">H.264</property>
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     <property name="meta.media.1.codec.name">aac</property>
     <property name="meta.media.1.codec.long_name">AAC (Advanced Audio Coding)</property>
-    <property name="meta.media.1.codec.bit_rate">125820</property>
-    <property name="meta.attr.1.stream.creation_time.markup">2024-01-15T02:24:11.000000Z</property>
+    <property name="meta.media.1.codec.bit_rate">125731</property>
+    <property name="meta.attr.1.stream.creation_time.markup">2024-01-22T03:04:03.000000Z</property>
     <property name="meta.attr.1.stream.handler_name.markup">Core Media Audio</property>
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     <property name="meta.attr.major_brand.markup">qt  </property>
     <property name="meta.attr.minor_version.markup">0</property>
     <property name="meta.attr.compatible_brands.markup">qt  </property>
-    <property name="meta.attr.creation_time.markup">2024-01-15T02:24:11.000000Z</property>
+    <property name="meta.attr.creation_time.markup">2024-01-22T03:04:03.000000Z</property>
     <property name="meta.attr.encoder.markup">Lavf60.16.100</property>
     <property name="seekable">1</property>
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     <property name="meta.media.sample_aspect_den">1</property>
     <property name="audio_index">-1</property>
     <property name="video_index">0</property>
-    <property name="creation_time">2024-01-15T02:24:11</property>
+    <property name="creation_time">2024-01-22T03:04:03</property>
     <property name="vstream">0</property>
-    <property name="meta.media.frame_rate_num">4728780</property>
-    <property name="meta.media.frame_rate_den">124589</property>
+    <property name="meta.media.frame_rate_num">100868</property>
+    <property name="meta.media.frame_rate_den">2679</property>
     <property name="meta.media.colorspace">709</property>
     <property name="meta.media.color_trc">1</property>
     <property name="meta.media.has_b_frames">1</property>
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     <property name="meta.media.color_range">mpeg</property>
     <property name="astream">-1</property>
-    <property name="shotcut:hash">460b48940530c197dc6e411af3f9c8e1</property>
-    <property name="shotcut:caption">Screen Recording 2024-01-15 at 02.48.38.mov</property>
+    <property name="shotcut:hash">cc43bc6e55d30bec7a8aac8c39901bee</property>
+    <property name="shotcut:caption">Screen Recording 2024-01-22 at 04.02.43.mov</property>
     <property name="xml">was here</property>
     <property name="meta.media.top_field_first">0</property>
     <property name="meta.media.progressive">1</property>
+    <property name="shotcut:defaultAudioIndex">1</property>
     <property name="meta.shotcut.vui">1</property>
     <property name="meta.attr.com.apple.quicktime.make.markup">Apple</property>
     <property name="meta.attr.com.apple.quicktime.model.markup">MacBookPro18,2</property>
     <property name="meta.attr.com.apple.quicktime.software.markup">macOS 14.2.1 (23C71)</property>
-    <property name="meta.attr.com.apple.quicktime.creationdate.markup">2024-01-15T02:48:48+0100</property>
-    <property name="shotcut:defaultAudioIndex">1</property>
-    <filter id="filter93" in="00:24:36.880" out="00:24:52.680">
+    <property name="meta.attr.com.apple.quicktime.creationdate.markup">2024-01-22T04:04:02+0100</property>
+    <filter id="filter65" in="00:16:43.920" out="00:16:44.520">
       <property name="background">color:#00000000</property>
       <property name="mlt_service">affine</property>
       <property name="shotcut:filter">affineSizePosition</property>
       <property name="transition.fill">1</property>
       <property name="transition.distort">0</property>
-      <property name="transition.rect">-1658.78 -300 3621.66 2263.54 1</property>
+      <property name="transition.rect">-182.785 -36 2124.06 1372 1</property>
       <property name="transition.valign">middle</property>
       <property name="transition.halign">center</property>
       <property name="shotcut:animIn">00:00:00.000</property>
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     </filter>
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-  <chain id="chain80" out="00:34:36.440">
-    <property name="length">00:34:36.480</property>
+  <chain id="chain163" out="00:33:28.720">
+    <property name="length">00:33:28.760</property>
     <property name="eof">pause</property>
-    <property name="resource">/Volumes/LaCie/GNU Taler films/ONLINE/tutorial-videos/original_media/merchant/order1/Screen Recording 2024-01-15 at 02.48.38.mov</property>
+    <property name="resource">/Volumes/LaCie/GNU Taler films/ONLINE/tutorial-videos/original_media/merchant/order1/Screen Recording 2024-01-22 at 04.02.43.mov</property>
     <property name="mlt_service">avformat-novalidate</property>
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     <property name="meta.media.0.stream.type">video</property>
-    <property name="meta.media.0.stream.frame_rate">37.955</property>
+    <property name="meta.media.0.stream.frame_rate">37.6514</property>
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     <property name="meta.media.0.codec.width">3456</property>
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     <property name="meta.media.0.codec.long_name">H.264 / AVC / MPEG-4 AVC / MPEG-4 part 10</property>
-    <property name="meta.media.0.codec.bit_rate">24972958</property>
-    <property name="meta.attr.0.stream.creation_time.markup">2024-01-15T02:24:11.000000Z</property>
+    <property name="meta.media.0.codec.bit_rate">25741987</property>
+    <property name="meta.attr.0.stream.creation_time.markup">2024-01-22T03:04:03.000000Z</property>
     <property name="meta.attr.0.stream.handler_name.markup">Core Media Video</property>
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     <property name="meta.attr.0.stream.encoder.markup">H.264</property>
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     <property name="meta.media.1.codec.name">aac</property>
     <property name="meta.media.1.codec.long_name">AAC (Advanced Audio Coding)</property>
-    <property name="meta.media.1.codec.bit_rate">125820</property>
-    <property name="meta.attr.1.stream.creation_time.markup">2024-01-15T02:24:11.000000Z</property>
+    <property name="meta.media.1.codec.bit_rate">125731</property>
+    <property name="meta.attr.1.stream.creation_time.markup">2024-01-22T03:04:03.000000Z</property>
     <property name="meta.attr.1.stream.handler_name.markup">Core Media Audio</property>
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     <property name="meta.attr.major_brand.markup">qt  </property>
     <property name="meta.attr.minor_version.markup">0</property>
     <property name="meta.attr.compatible_brands.markup">qt  </property>
-    <property name="meta.attr.creation_time.markup">2024-01-15T02:24:11.000000Z</property>
+    <property name="meta.attr.creation_time.markup">2024-01-22T03:04:03.000000Z</property>
     <property name="meta.attr.encoder.markup">Lavf60.16.100</property>
     <property name="seekable">1</property>
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     <property name="meta.media.sample_aspect_den">1</property>
     <property name="audio_index">-1</property>
     <property name="video_index">0</property>
-    <property name="creation_time">2024-01-15T02:24:11</property>
+    <property name="creation_time">2024-01-22T03:04:03</property>
     <property name="vstream">0</property>
-    <property name="meta.media.frame_rate_num">4728780</property>
-    <property name="meta.media.frame_rate_den">124589</property>
+    <property name="meta.media.frame_rate_num">100868</property>
+    <property name="meta.media.frame_rate_den">2679</property>
     <property name="meta.media.colorspace">709</property>
     <property name="meta.media.color_trc">1</property>
     <property name="meta.media.has_b_frames">1</property>
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     <property name="meta.media.color_range">mpeg</property>
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-    <property name="shotcut:hash">460b48940530c197dc6e411af3f9c8e1</property>
-    <property name="shotcut:caption">Screen Recording 2024-01-15 at 02.48.38.mov</property>
+    <property name="shotcut:hash">cc43bc6e55d30bec7a8aac8c39901bee</property>
+    <property name="shotcut:caption">Screen Recording 2024-01-22 at 04.02.43.mov</property>
     <property name="xml">was here</property>
     <property name="meta.media.top_field_first">0</property>
     <property name="meta.media.progressive">1</property>
+    <property name="shotcut:defaultAudioIndex">1</property>
+    <property name="meta.attr.com.apple.quicktime.make.markup">Apple</property>
+    <property name="meta.attr.com.apple.quicktime.model.markup">MacBookPro18,2</property>
+    <property name="meta.attr.com.apple.quicktime.software.markup">macOS 14.2.1 (23C71)</property>
+    <property name="meta.attr.com.apple.quicktime.creationdate.markup">2024-01-22T04:04:02+0100</property>
     <property name="meta.shotcut.vui">1</property>
+    <filter id="filter66" in="00:16:45.200" out="00:16:50.360">
+      <property name="background">color:#00000000</property>
+      <property name="mlt_service">affine</property>
+      <property name="shotcut:filter">affineSizePosition</property>
+      <property name="transition.fill">1</property>
+      <property name="transition.distort">0</property>
+      <property name="transition.rect">-1110.78 -68 3756.06 2347.54 1</property>
+      <property name="transition.valign">middle</property>
+      <property name="transition.halign">center</property>
+      <property name="shotcut:animIn">00:00:00.000</property>
+      <property name="shotcut:animOut">00:00:00.000</property>
+      <property name="transition.threads">0</property>
+      <property name="transition.fix_rotate_x">0</property>
+    </filter>
+  </chain>
+  <chain id="chain164" out="00:33:28.720">
+    <property name="length">00:33:28.760</property>
+    <property name="eof">pause</property>
+    <property name="resource">/Volumes/LaCie/GNU Taler films/ONLINE/tutorial-videos/original_media/merchant/order1/Screen Recording 2024-01-22 at 04.02.43.mov</property>
+    <property name="mlt_service">avformat-novalidate</property>
+    <property name="meta.media.nb_streams">2</property>
+    <property name="meta.media.0.stream.type">video</property>
+    <property name="meta.media.0.stream.frame_rate">37.6514</property>
+    <property name="meta.media.0.stream.sample_aspect_ratio">0</property>
+    <property name="meta.media.0.codec.width">3456</property>
+    <property name="meta.media.0.codec.height">2160</property>
+    <property name="meta.media.0.codec.rotate">0</property>
+    <property name="meta.media.0.codec.pix_fmt">yuv420p</property>
+    <property name="meta.media.0.codec.sample_aspect_ratio">0</property>
+    <property name="meta.media.0.codec.colorspace">709</property>
+    <property name="meta.media.0.codec.color_trc">1</property>
+    <property name="meta.media.0.codec.name">h264</property>
+    <property name="meta.media.0.codec.long_name">H.264 / AVC / MPEG-4 AVC / MPEG-4 part 10</property>
+    <property name="meta.media.0.codec.bit_rate">25741987</property>
+    <property name="meta.attr.0.stream.creation_time.markup">2024-01-22T03:04:03.000000Z</property>
+    <property name="meta.attr.0.stream.handler_name.markup">Core Media Video</property>
+    <property name="meta.attr.0.stream.vendor_id.markup">[0][0][0][0]</property>
+    <property name="meta.attr.0.stream.encoder.markup">H.264</property>
+    <property name="meta.media.1.stream.type">audio</property>
+    <property name="meta.media.1.codec.sample_fmt">fltp</property>
+    <property name="meta.media.1.codec.sample_rate">44100</property>
+    <property name="meta.media.1.codec.channels">1</property>
+    <property name="meta.media.1.codec.name">aac</property>
+    <property name="meta.media.1.codec.long_name">AAC (Advanced Audio Coding)</property>
+    <property name="meta.media.1.codec.bit_rate">125731</property>
+    <property name="meta.attr.1.stream.creation_time.markup">2024-01-22T03:04:03.000000Z</property>
+    <property name="meta.attr.1.stream.handler_name.markup">Core Media Audio</property>
+    <property name="meta.attr.1.stream.vendor_id.markup">[0][0][0][0]</property>
+    <property name="meta.attr.major_brand.markup">qt  </property>
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+    <property name="meta.media.color_range">mpeg</property>
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+    <property name="shotcut:hash">cc43bc6e55d30bec7a8aac8c39901bee</property>
+    <property name="shotcut:caption">Screen Recording 2024-01-22 at 04.02.43.mov</property>
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+    <property name="meta.attr.com.apple.quicktime.software.markup">macOS 14.2.1 (23C71)</property>
+    <property name="meta.attr.com.apple.quicktime.creationdate.markup">2024-01-22T04:04:02+0100</property>
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-    <property name="meta.attr.0.stream.creation_time.markup">2024-01-15T02:24:11.000000Z</property>
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+    <property name="meta.attr.0.stream.creation_time.markup">2024-01-22T03:04:03.000000Z</property>
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-    <property name="meta.attr.1.stream.creation_time.markup">2024-01-15T02:24:11.000000Z</property>
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     <property name="meta.attr.compatible_brands.markup">qt  </property>
-    <property name="meta.attr.creation_time.markup">2024-01-15T02:24:11.000000Z</property>
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+    <property name="meta.attr.com.apple.quicktime.make.markup">Apple</property>
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+    <property name="seekable">1</property>
+    <property name="meta.media.sample_aspect_num">1</property>
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+    <property name="video_index">0</property>
+    <property name="creation_time">2024-01-22T03:04:03</property>
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+    <property name="meta.media.frame_rate_den">2679</property>
+    <property name="meta.media.colorspace">709</property>
+    <property name="meta.media.color_trc">1</property>
+    <property name="meta.media.has_b_frames">1</property>
+    <property name="meta.media.width">3456</property>
+    <property name="meta.media.height">2160</property>
+    <property name="meta.media.aspect_ratio">1</property>
+    <property name="meta.media.color_range">mpeg</property>
+    <property name="astream">-1</property>
+    <property name="shotcut:hash">cc43bc6e55d30bec7a8aac8c39901bee</property>
+    <property name="shotcut:caption">Screen Recording 2024-01-22 at 04.02.43.mov</property>
+    <property name="xml">was here</property>
+    <property name="meta.media.top_field_first">0</property>
+    <property name="meta.media.progressive">1</property>
     <property name="shotcut:defaultAudioIndex">1</property>
-    <filter id="filter95" in="00:26:17.200" out="00:26:37.560">
+    <property name="meta.attr.com.apple.quicktime.make.markup">Apple</property>
+    <property name="meta.attr.com.apple.quicktime.model.markup">MacBookPro18,2</property>
+    <property name="meta.attr.com.apple.quicktime.software.markup">macOS 14.2.1 (23C71)</property>
+    <property name="meta.attr.com.apple.quicktime.creationdate.markup">2024-01-22T04:04:02+0100</property>
+    <property name="meta.shotcut.vui">1</property>
+    <filter id="filter71" in="00:18:31.200" out="00:18:35.360">
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       <property name="mlt_service">affine</property>
       <property name="shotcut:filter">affineSizePosition</property>
       <property name="transition.fill">1</property>
       <property name="transition.distort">0</property>
-      <property name="transition.rect">-1658.78 -300 3621.66 2263.54 1</property>
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       <property name="transition.halign">center</property>
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-    <property name="resource">/Volumes/LaCie/GNU Taler films/ONLINE/tutorial-videos/original_media/merchant/order1/Screen Recording 2024-01-15 at 02.48.38.mov</property>
+    <property name="resource">/Volumes/LaCie/GNU Taler films/ONLINE/tutorial-videos/original_media/merchant/order1/Screen Recording 2024-01-22 at 04.02.43.mov</property>
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-    <property name="meta.attr.0.stream.creation_time.markup">2024-01-15T02:24:11.000000Z</property>
+    <property name="meta.media.0.codec.bit_rate">25741987</property>
+    <property name="meta.attr.0.stream.creation_time.markup">2024-01-22T03:04:03.000000Z</property>
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     <property name="meta.media.1.codec.long_name">AAC (Advanced Audio Coding)</property>
-    <property name="meta.media.1.codec.bit_rate">125820</property>
-    <property name="meta.attr.1.stream.creation_time.markup">2024-01-15T02:24:11.000000Z</property>
+    <property name="meta.media.1.codec.bit_rate">125731</property>
+    <property name="meta.attr.1.stream.creation_time.markup">2024-01-22T03:04:03.000000Z</property>
     <property name="meta.attr.1.stream.handler_name.markup">Core Media Audio</property>
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     <property name="meta.attr.compatible_brands.markup">qt  </property>
-    <property name="meta.attr.creation_time.markup">2024-01-15T02:24:11.000000Z</property>
+    <property name="meta.attr.creation_time.markup">2024-01-22T03:04:03.000000Z</property>
     <property name="meta.attr.encoder.markup">Lavf60.16.100</property>
     <property name="seekable">1</property>
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     <property name="video_index">0</property>
-    <property name="creation_time">2024-01-15T02:24:11</property>
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-    <property name="meta.media.frame_rate_num">4728780</property>
-    <property name="meta.media.frame_rate_den">124589</property>
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+    <property name="meta.media.frame_rate_den">2679</property>
     <property name="meta.media.colorspace">709</property>
     <property name="meta.media.color_trc">1</property>
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-    <property name="shotcut:caption">Screen Recording 2024-01-15 at 02.48.38.mov</property>
+    <property name="shotcut:hash">cc43bc6e55d30bec7a8aac8c39901bee</property>
+    <property name="shotcut:caption">Screen Recording 2024-01-22 at 04.02.43.mov</property>
     <property name="xml">was here</property>
     <property name="meta.media.top_field_first">0</property>
     <property name="meta.media.progressive">1</property>
+    <property name="shotcut:defaultAudioIndex">1</property>
+    <property name="meta.attr.com.apple.quicktime.make.markup">Apple</property>
+    <property name="meta.attr.com.apple.quicktime.model.markup">MacBookPro18,2</property>
+    <property name="meta.attr.com.apple.quicktime.software.markup">macOS 14.2.1 (23C71)</property>
+    <property name="meta.attr.com.apple.quicktime.creationdate.markup">2024-01-22T04:04:02+0100</property>
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+    <filter id="filter75" in="00:18:36.880" out="00:18:44.200">
+      <property name="background">color:#00000000</property>
+      <property name="mlt_service">affine</property>
+      <property name="shotcut:filter">affineSizePosition</property>
+      <property name="transition.fill">1</property>
+      <property name="transition.distort">0</property>
+      <property name="transition.rect">-1110.78 -68 3756.06 2347.54 1</property>
+      <property name="transition.valign">middle</property>
+      <property name="transition.halign">center</property>
+      <property name="shotcut:animIn">00:00:00.000</property>
+      <property name="shotcut:animOut">00:00:00.000</property>
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+      <property name="transition.fix_rotate_x">0</property>
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+    <property name="resource">/Volumes/LaCie/GNU Taler films/ONLINE/tutorial-videos/original_media/merchant/order1/Screen Recording 2024-01-22 at 04.02.43.mov</property>
+    <property name="mlt_service">avformat-novalidate</property>
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+    <property name="meta.media.0.stream.type">video</property>
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+    <property name="meta.attr.0.stream.creation_time.markup">2024-01-22T03:04:03.000000Z</property>
+    <property name="meta.attr.0.stream.handler_name.markup">Core Media Video</property>
+    <property name="meta.attr.0.stream.vendor_id.markup">[0][0][0][0]</property>
+    <property name="meta.attr.0.stream.encoder.markup">H.264</property>
+    <property name="meta.media.1.stream.type">audio</property>
+    <property name="meta.media.1.codec.sample_fmt">fltp</property>
+    <property name="meta.media.1.codec.sample_rate">44100</property>
+    <property name="meta.media.1.codec.channels">1</property>
+    <property name="meta.media.1.codec.name">aac</property>
+    <property name="meta.media.1.codec.long_name">AAC (Advanced Audio Coding)</property>
+    <property name="meta.media.1.codec.bit_rate">125731</property>
+    <property name="meta.attr.1.stream.creation_time.markup">2024-01-22T03:04:03.000000Z</property>
+    <property name="meta.attr.1.stream.handler_name.markup">Core Media Audio</property>
+    <property name="meta.attr.1.stream.vendor_id.markup">[0][0][0][0]</property>
+    <property name="meta.attr.major_brand.markup">qt  </property>
+    <property name="meta.attr.minor_version.markup">0</property>
+    <property name="meta.attr.compatible_brands.markup">qt  </property>
+    <property name="meta.attr.creation_time.markup">2024-01-22T03:04:03.000000Z</property>
+    <property name="meta.attr.encoder.markup">Lavf60.16.100</property>
+    <property name="seekable">1</property>
+    <property name="meta.media.sample_aspect_num">1</property>
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+    <property name="meta.media.aspect_ratio">1</property>
+    <property name="meta.media.color_range">mpeg</property>
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+    <property name="shotcut:hash">cc43bc6e55d30bec7a8aac8c39901bee</property>
+    <property name="shotcut:caption">Screen Recording 2024-01-22 at 04.02.43.mov</property>
+    <property name="xml">was here</property>
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-    <property name="meta.attr.com.apple.quicktime.creationdate.markup">2024-01-15T02:48:48+0100</property>
+    <property name="meta.attr.com.apple.quicktime.creationdate.markup">2024-01-22T04:04:02+0100</property>
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+      <property name="background">color:#00000000</property>
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+      <property name="transition.fill">1</property>
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+      <property name="transition.rect">-1085.6 -68 3001.6 1876 1</property>
+      <property name="transition.valign">middle</property>
+      <property name="transition.halign">center</property>
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+      <property name="shotcut:animOut">00:00:00.000</property>
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+    <property name="resource">/Volumes/LaCie/GNU Taler films/ONLINE/tutorial-videos/original_media/merchant/order1/Screen Recording 2024-01-22 at 04.02.43.mov</property>
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+    <property name="meta.media.0.codec.bit_rate">25741987</property>
+    <property name="meta.attr.0.stream.creation_time.markup">2024-01-22T03:04:03.000000Z</property>
+    <property name="meta.attr.0.stream.handler_name.markup">Core Media Video</property>
+    <property name="meta.attr.0.stream.vendor_id.markup">[0][0][0][0]</property>
+    <property name="meta.attr.0.stream.encoder.markup">H.264</property>
+    <property name="meta.media.1.stream.type">audio</property>
+    <property name="meta.media.1.codec.sample_fmt">fltp</property>
+    <property name="meta.media.1.codec.sample_rate">44100</property>
+    <property name="meta.media.1.codec.channels">1</property>
+    <property name="meta.media.1.codec.name">aac</property>
+    <property name="meta.media.1.codec.long_name">AAC (Advanced Audio Coding)</property>
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+    <property name="meta.attr.1.stream.creation_time.markup">2024-01-22T03:04:03.000000Z</property>
+    <property name="meta.attr.1.stream.handler_name.markup">Core Media Audio</property>
+    <property name="meta.attr.1.stream.vendor_id.markup">[0][0][0][0]</property>
+    <property name="meta.attr.major_brand.markup">qt  </property>
+    <property name="meta.attr.minor_version.markup">0</property>
+    <property name="meta.attr.compatible_brands.markup">qt  </property>
+    <property name="meta.attr.creation_time.markup">2024-01-22T03:04:03.000000Z</property>
+    <property name="meta.attr.encoder.markup">Lavf60.16.100</property>
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+    <property name="audio_index">-1</property>
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+    <property name="meta.media.has_b_frames">1</property>
+    <property name="meta.media.width">3456</property>
+    <property name="meta.media.height">2160</property>
+    <property name="meta.media.aspect_ratio">1</property>
+    <property name="meta.media.color_range">mpeg</property>
+    <property name="astream">-1</property>
+    <property name="shotcut:hash">cc43bc6e55d30bec7a8aac8c39901bee</property>
+    <property name="shotcut:caption">Screen Recording 2024-01-22 at 04.02.43.mov</property>
+    <property name="xml">was here</property>
+    <property name="meta.media.top_field_first">0</property>
+    <property name="meta.media.progressive">1</property>
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-    <filter id="filter96" in="00:26:47.920" out="00:27:35.720">
+    <property name="meta.shotcut.vui">1</property>
+    <property name="meta.attr.com.apple.quicktime.make.markup">Apple</property>
+    <property name="meta.attr.com.apple.quicktime.model.markup">MacBookPro18,2</property>
+    <property name="meta.attr.com.apple.quicktime.software.markup">macOS 14.2.1 (23C71)</property>
+    <property name="meta.attr.com.apple.quicktime.creationdate.markup">2024-01-22T04:04:02+0100</property>
+    <filter id="filter77" in="00:19:04.640" out="00:19:21.920">
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-      <property name="transition.rect">-1658.78 -300 3621.66 2263.54 1</property>
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+    <property name="resource">/Volumes/LaCie/GNU Taler films/ONLINE/tutorial-videos/original_media/merchant/order1/Screen Recording 2024-01-22 at 04.02.43.mov</property>
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-    <property name="meta.attr.0.stream.creation_time.markup">2024-01-15T02:24:11.000000Z</property>
+    <property name="meta.media.0.codec.bit_rate">25741987</property>
+    <property name="meta.attr.0.stream.creation_time.markup">2024-01-22T03:04:03.000000Z</property>
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-    <property name="meta.attr.1.stream.creation_time.markup">2024-01-15T02:24:11.000000Z</property>
+    <property name="meta.media.1.codec.bit_rate">125731</property>
+    <property name="meta.attr.1.stream.creation_time.markup">2024-01-22T03:04:03.000000Z</property>
     <property name="meta.attr.1.stream.handler_name.markup">Core Media Audio</property>
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     <property name="meta.attr.compatible_brands.markup">qt  </property>
-    <property name="meta.attr.creation_time.markup">2024-01-15T02:24:11.000000Z</property>
+    <property name="meta.attr.creation_time.markup">2024-01-22T03:04:03.000000Z</property>
     <property name="meta.attr.encoder.markup">Lavf60.16.100</property>
     <property name="seekable">1</property>
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     <property name="video_index">0</property>
-    <property name="creation_time">2024-01-15T02:24:11</property>
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     <property name="vstream">0</property>
-    <property name="meta.media.frame_rate_num">4728780</property>
-    <property name="meta.media.frame_rate_den">124589</property>
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+    <property name="meta.media.frame_rate_den">2679</property>
     <property name="meta.media.colorspace">709</property>
     <property name="meta.media.color_trc">1</property>
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-    <property name="shotcut:caption">Screen Recording 2024-01-15 at 02.48.38.mov</property>
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+    <property name="shotcut:caption">Screen Recording 2024-01-22 at 04.02.43.mov</property>
     <property name="xml">was here</property>
     <property name="meta.media.top_field_first">0</property>
     <property name="meta.media.progressive">1</property>
+    <property name="shotcut:defaultAudioIndex">1</property>
+    <property name="meta.attr.com.apple.quicktime.make.markup">Apple</property>
+    <property name="meta.attr.com.apple.quicktime.model.markup">MacBookPro18,2</property>
+    <property name="meta.attr.com.apple.quicktime.software.markup">macOS 14.2.1 (23C71)</property>
+    <property name="meta.attr.com.apple.quicktime.creationdate.markup">2024-01-22T04:04:02+0100</property>
     <property name="meta.shotcut.vui">1</property>
+    <filter id="filter78" in="00:19:34.600" out="00:19:42.800">
+      <property name="background">color:#00000000</property>
+      <property name="mlt_service">affine</property>
+      <property name="shotcut:filter">affineSizePosition</property>
+      <property name="transition.fill">1</property>
+      <property name="transition.distort">0</property>
+      <property name="transition.rect">-1110.78 -68 3756.06 2347.54 1</property>
+      <property name="transition.valign">middle</property>
+      <property name="transition.halign">center</property>
+      <property name="shotcut:animIn">00:00:00.000</property>
+      <property name="shotcut:animOut">00:00:00.000</property>
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+    <property name="eof">pause</property>
+    <property name="resource">/Volumes/LaCie/GNU Taler films/ONLINE/tutorial-videos/original_media/merchant/order1/Screen Recording 2024-01-22 at 04.02.43.mov</property>
+    <property name="mlt_service">avformat-novalidate</property>
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+    <property name="meta.media.0.stream.type">video</property>
+    <property name="meta.media.0.stream.frame_rate">37.6514</property>
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+    <property name="meta.media.0.codec.height">2160</property>
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+    <property name="meta.media.0.codec.pix_fmt">yuv420p</property>
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+    <property name="meta.media.0.codec.colorspace">709</property>
+    <property name="meta.media.0.codec.color_trc">1</property>
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+    <property name="meta.media.0.codec.bit_rate">25741987</property>
+    <property name="meta.attr.0.stream.creation_time.markup">2024-01-22T03:04:03.000000Z</property>
+    <property name="meta.attr.0.stream.handler_name.markup">Core Media Video</property>
+    <property name="meta.attr.0.stream.vendor_id.markup">[0][0][0][0]</property>
+    <property name="meta.attr.0.stream.encoder.markup">H.264</property>
+    <property name="meta.media.1.stream.type">audio</property>
+    <property name="meta.media.1.codec.sample_fmt">fltp</property>
+    <property name="meta.media.1.codec.sample_rate">44100</property>
+    <property name="meta.media.1.codec.channels">1</property>
+    <property name="meta.media.1.codec.name">aac</property>
+    <property name="meta.media.1.codec.long_name">AAC (Advanced Audio Coding)</property>
+    <property name="meta.media.1.codec.bit_rate">125731</property>
+    <property name="meta.attr.1.stream.creation_time.markup">2024-01-22T03:04:03.000000Z</property>
+    <property name="meta.attr.1.stream.handler_name.markup">Core Media Audio</property>
+    <property name="meta.attr.1.stream.vendor_id.markup">[0][0][0][0]</property>
+    <property name="meta.attr.major_brand.markup">qt  </property>
+    <property name="meta.attr.minor_version.markup">0</property>
+    <property name="meta.attr.compatible_brands.markup">qt  </property>
+    <property name="meta.attr.creation_time.markup">2024-01-22T03:04:03.000000Z</property>
+    <property name="meta.attr.encoder.markup">Lavf60.16.100</property>
+    <property name="seekable">1</property>
+    <property name="meta.media.sample_aspect_num">1</property>
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+    <property name="meta.media.height">2160</property>
+    <property name="meta.media.aspect_ratio">1</property>
+    <property name="meta.media.color_range">mpeg</property>
+    <property name="astream">-1</property>
+    <property name="shotcut:hash">cc43bc6e55d30bec7a8aac8c39901bee</property>
+    <property name="shotcut:caption">Screen Recording 2024-01-22 at 04.02.43.mov</property>
+    <property name="xml">was here</property>
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-    <property name="meta.attr.com.apple.quicktime.creationdate.markup">2024-01-15T02:48:48+0100</property>
+    <property name="meta.attr.com.apple.quicktime.creationdate.markup">2024-01-22T04:04:02+0100</property>
+    <property name="meta.shotcut.vui">1</property>
+    <filter id="filter79" in="00:23:48.280" out="00:24:06.440">
+      <property name="background">color:#00000000</property>
+      <property name="mlt_service">affine</property>
+      <property name="shotcut:filter">affineSizePosition</property>
+      <property name="transition.fill">1</property>
+      <property name="transition.distort">0</property>
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+      <property name="transition.valign">middle</property>
+      <property name="transition.halign">center</property>
+      <property name="shotcut:animIn">00:00:00.000</property>
+      <property name="shotcut:animOut">00:00:00.000</property>
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+    <property name="mlt_service">avformat-novalidate</property>
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+    <property name="meta.media.0.stream.type">video</property>
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+    <property name="meta.media.0.codec.color_trc">1</property>
+    <property name="meta.media.0.codec.name">h264</property>
+    <property name="meta.media.0.codec.long_name">H.264 / AVC / MPEG-4 AVC / MPEG-4 part 10</property>
+    <property name="meta.media.0.codec.bit_rate">25741987</property>
+    <property name="meta.attr.0.stream.creation_time.markup">2024-01-22T03:04:03.000000Z</property>
+    <property name="meta.attr.0.stream.handler_name.markup">Core Media Video</property>
+    <property name="meta.attr.0.stream.vendor_id.markup">[0][0][0][0]</property>
+    <property name="meta.attr.0.stream.encoder.markup">H.264</property>
+    <property name="meta.media.1.stream.type">audio</property>
+    <property name="meta.media.1.codec.sample_fmt">fltp</property>
+    <property name="meta.media.1.codec.sample_rate">44100</property>
+    <property name="meta.media.1.codec.channels">1</property>
+    <property name="meta.media.1.codec.name">aac</property>
+    <property name="meta.media.1.codec.long_name">AAC (Advanced Audio Coding)</property>
+    <property name="meta.media.1.codec.bit_rate">125731</property>
+    <property name="meta.attr.1.stream.creation_time.markup">2024-01-22T03:04:03.000000Z</property>
+    <property name="meta.attr.1.stream.handler_name.markup">Core Media Audio</property>
+    <property name="meta.attr.1.stream.vendor_id.markup">[0][0][0][0]</property>
+    <property name="meta.attr.major_brand.markup">qt  </property>
+    <property name="meta.attr.minor_version.markup">0</property>
+    <property name="meta.attr.compatible_brands.markup">qt  </property>
+    <property name="meta.attr.creation_time.markup">2024-01-22T03:04:03.000000Z</property>
+    <property name="meta.attr.encoder.markup">Lavf60.16.100</property>
+    <property name="seekable">1</property>
+    <property name="meta.media.sample_aspect_num">1</property>
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+    <property name="video_index">0</property>
+    <property name="creation_time">2024-01-22T03:04:03</property>
+    <property name="vstream">0</property>
+    <property name="meta.media.frame_rate_num">100868</property>
+    <property name="meta.media.frame_rate_den">2679</property>
+    <property name="meta.media.colorspace">709</property>
+    <property name="meta.media.color_trc">1</property>
+    <property name="meta.media.has_b_frames">1</property>
+    <property name="meta.media.width">3456</property>
+    <property name="meta.media.height">2160</property>
+    <property name="meta.media.aspect_ratio">1</property>
+    <property name="meta.media.color_range">mpeg</property>
+    <property name="astream">-1</property>
+    <property name="shotcut:hash">cc43bc6e55d30bec7a8aac8c39901bee</property>
+    <property name="shotcut:caption">Screen Recording 2024-01-22 at 04.02.43.mov</property>
+    <property name="xml">was here</property>
+    <property name="meta.media.top_field_first">0</property>
+    <property name="meta.media.progressive">1</property>
     <property name="shotcut:defaultAudioIndex">1</property>
-    <filter id="filter97" in="00:30:05.600" out="00:31:08.360">
+    <property name="meta.attr.com.apple.quicktime.make.markup">Apple</property>
+    <property name="meta.attr.com.apple.quicktime.model.markup">MacBookPro18,2</property>
+    <property name="meta.attr.com.apple.quicktime.software.markup">macOS 14.2.1 (23C71)</property>
+    <property name="meta.attr.com.apple.quicktime.creationdate.markup">2024-01-22T04:04:02+0100</property>
+    <property name="meta.shotcut.vui">1</property>
+    <filter id="filter80" in="00:24:08.280" out="00:24:20.400">
       <property name="background">color:#00000000</property>
       <property name="mlt_service">affine</property>
       <property name="shotcut:filter">affineSizePosition</property>
       <property name="transition.fill">1</property>
       <property name="transition.distort">0</property>
-      <property name="transition.rect">-205.985 -44 1759.26 1099.54 1</property>
+      <property name="transition.rect">-19.2 -76 1964.8 1228 1</property>
       <property name="transition.valign">middle</property>
       <property name="transition.halign">center</property>
       <property name="shotcut:animIn">00:00:00.000</property>
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-    <property name="length">00:34:36.480</property>
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+    <property name="length">00:33:28.760</property>
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-    <property name="resource">/Volumes/LaCie/GNU Taler films/ONLINE/tutorial-videos/original_media/merchant/order1/Screen Recording 2024-01-15 at 02.48.38.mov</property>
+    <property name="resource">/Volumes/LaCie/GNU Taler films/ONLINE/tutorial-videos/original_media/merchant/order1/Screen Recording 2024-01-22 at 04.02.43.mov</property>
     <property name="mlt_service">avformat-novalidate</property>
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     <property name="meta.media.0.stream.type">video</property>
-    <property name="meta.media.0.stream.frame_rate">37.955</property>
+    <property name="meta.media.0.stream.frame_rate">37.6514</property>
     <property name="meta.media.0.stream.sample_aspect_ratio">0</property>
     <property name="meta.media.0.codec.width">3456</property>
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     <property name="meta.media.0.codec.long_name">H.264 / AVC / MPEG-4 AVC / MPEG-4 part 10</property>
-    <property name="meta.media.0.codec.bit_rate">24972958</property>
-    <property name="meta.attr.0.stream.creation_time.markup">2024-01-15T02:24:11.000000Z</property>
+    <property name="meta.media.0.codec.bit_rate">25741987</property>
+    <property name="meta.attr.0.stream.creation_time.markup">2024-01-22T03:04:03.000000Z</property>
     <property name="meta.attr.0.stream.handler_name.markup">Core Media Video</property>
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     <property name="meta.media.1.codec.name">aac</property>
     <property name="meta.media.1.codec.long_name">AAC (Advanced Audio Coding)</property>
-    <property name="meta.media.1.codec.bit_rate">125820</property>
-    <property name="meta.attr.1.stream.creation_time.markup">2024-01-15T02:24:11.000000Z</property>
+    <property name="meta.media.1.codec.bit_rate">125731</property>
+    <property name="meta.attr.1.stream.creation_time.markup">2024-01-22T03:04:03.000000Z</property>
     <property name="meta.attr.1.stream.handler_name.markup">Core Media Audio</property>
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     <property name="meta.attr.compatible_brands.markup">qt  </property>
-    <property name="meta.attr.creation_time.markup">2024-01-15T02:24:11.000000Z</property>
+    <property name="meta.attr.creation_time.markup">2024-01-22T03:04:03.000000Z</property>
     <property name="meta.attr.encoder.markup">Lavf60.16.100</property>
     <property name="seekable">1</property>
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     <property name="audio_index">-1</property>
     <property name="video_index">0</property>
-    <property name="creation_time">2024-01-15T02:24:11</property>
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     <property name="vstream">0</property>
-    <property name="meta.media.frame_rate_num">4728780</property>
-    <property name="meta.media.frame_rate_den">124589</property>
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+    <property name="meta.media.frame_rate_den">2679</property>
     <property name="meta.media.colorspace">709</property>
     <property name="meta.media.color_trc">1</property>
     <property name="meta.media.has_b_frames">1</property>
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-    <property name="shotcut:caption">Screen Recording 2024-01-15 at 02.48.38.mov</property>
+    <property name="shotcut:hash">cc43bc6e55d30bec7a8aac8c39901bee</property>
+    <property name="shotcut:caption">Screen Recording 2024-01-22 at 04.02.43.mov</property>
     <property name="xml">was here</property>
     <property name="meta.media.top_field_first">0</property>
     <property name="meta.media.progressive">1</property>
+    <property name="shotcut:defaultAudioIndex">1</property>
     <property name="meta.shotcut.vui">1</property>
     <property name="meta.attr.com.apple.quicktime.make.markup">Apple</property>
     <property name="meta.attr.com.apple.quicktime.model.markup">MacBookPro18,2</property>
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-    <property name="meta.attr.com.apple.quicktime.creationdate.markup">2024-01-15T02:48:48+0100</property>
+    <property name="meta.attr.com.apple.quicktime.creationdate.markup">2024-01-22T04:04:02+0100</property>
+    <filter id="filter85" in="00:24:24.960" out="00:24:26.280">
+      <property name="background">color:#00000000</property>
+      <property name="mlt_service">affine</property>
+      <property name="shotcut:filter">affineSizePosition</property>
+      <property name="transition.fill">1</property>
+      <property name="transition.distort">0</property>
+      <property name="transition.rect">-19.2 -76 1964.8 1228 1</property>
+      <property name="transition.valign">middle</property>
+      <property name="transition.halign">center</property>
+      <property name="shotcut:animIn">00:00:00.000</property>
+      <property name="shotcut:animOut">00:00:00.000</property>
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+      <property name="transition.fix_rotate_x">0</property>
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+    <property name="eof">pause</property>
+    <property name="resource">/Volumes/LaCie/GNU Taler films/ONLINE/tutorial-videos/original_media/merchant/order1/Screen Recording 2024-01-22 at 04.02.43.mov</property>
+    <property name="mlt_service">avformat-novalidate</property>
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+    <property name="meta.media.0.stream.type">video</property>
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+    <property name="meta.media.0.codec.name">h264</property>
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+    <property name="meta.attr.0.stream.creation_time.markup">2024-01-22T03:04:03.000000Z</property>
+    <property name="meta.attr.0.stream.handler_name.markup">Core Media Video</property>
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+    <property name="meta.media.1.stream.type">audio</property>
+    <property name="meta.media.1.codec.sample_fmt">fltp</property>
+    <property name="meta.media.1.codec.sample_rate">44100</property>
+    <property name="meta.media.1.codec.channels">1</property>
+    <property name="meta.media.1.codec.name">aac</property>
+    <property name="meta.media.1.codec.long_name">AAC (Advanced Audio Coding)</property>
+    <property name="meta.media.1.codec.bit_rate">125731</property>
+    <property name="meta.attr.1.stream.creation_time.markup">2024-01-22T03:04:03.000000Z</property>
+    <property name="meta.attr.1.stream.handler_name.markup">Core Media Audio</property>
+    <property name="meta.attr.1.stream.vendor_id.markup">[0][0][0][0]</property>
+    <property name="meta.attr.major_brand.markup">qt  </property>
+    <property name="meta.attr.minor_version.markup">0</property>
+    <property name="meta.attr.compatible_brands.markup">qt  </property>
+    <property name="meta.attr.creation_time.markup">2024-01-22T03:04:03.000000Z</property>
+    <property name="meta.attr.encoder.markup">Lavf60.16.100</property>
+    <property name="seekable">1</property>
+    <property name="meta.media.sample_aspect_num">1</property>
+    <property name="meta.media.sample_aspect_den">1</property>
+    <property name="audio_index">-1</property>
+    <property name="video_index">0</property>
+    <property name="creation_time">2024-01-22T03:04:03</property>
+    <property name="vstream">0</property>
+    <property name="meta.media.frame_rate_num">100868</property>
+    <property name="meta.media.frame_rate_den">2679</property>
+    <property name="meta.media.colorspace">709</property>
+    <property name="meta.media.color_trc">1</property>
+    <property name="meta.media.has_b_frames">1</property>
+    <property name="meta.media.width">3456</property>
+    <property name="meta.media.height">2160</property>
+    <property name="meta.media.aspect_ratio">1</property>
+    <property name="meta.media.color_range">mpeg</property>
+    <property name="astream">-1</property>
+    <property name="shotcut:hash">cc43bc6e55d30bec7a8aac8c39901bee</property>
+    <property name="shotcut:caption">Screen Recording 2024-01-22 at 04.02.43.mov</property>
+    <property name="xml">was here</property>
+    <property name="meta.media.top_field_first">0</property>
+    <property name="meta.media.progressive">1</property>
     <property name="shotcut:defaultAudioIndex">1</property>
-    <filter id="filter98" in="00:31:41.120" out="00:32:28.600">
+    <property name="meta.attr.com.apple.quicktime.make.markup">Apple</property>
+    <property name="meta.attr.com.apple.quicktime.model.markup">MacBookPro18,2</property>
+    <property name="meta.attr.com.apple.quicktime.software.markup">macOS 14.2.1 (23C71)</property>
+    <property name="meta.attr.com.apple.quicktime.creationdate.markup">2024-01-22T04:04:02+0100</property>
+    <property name="meta.shotcut.vui">1</property>
+    <filter id="filter86" in="00:24:26.840" out="00:24:32.840">
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       <property name="mlt_service">affine</property>
       <property name="shotcut:filter">affineSizePosition</property>
       <property name="transition.fill">1</property>
       <property name="transition.distort">0</property>
-      <property name="transition.rect">-1658.78 -300 3621.66 2263.54 1</property>
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       <property name="transition.halign">center</property>
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-    <property name="length">00:34:36.480</property>
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+    <property name="length">00:33:28.760</property>
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-    <property name="resource">/Volumes/LaCie/GNU Taler films/ONLINE/tutorial-videos/original_media/merchant/order1/Screen Recording 2024-01-15 at 02.48.38.mov</property>
+    <property name="resource">/Volumes/LaCie/GNU Taler films/ONLINE/tutorial-videos/original_media/merchant/order1/Screen Recording 2024-01-22 at 04.02.43.mov</property>
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     <property name="meta.media.0.stream.type">video</property>
-    <property name="meta.media.0.stream.frame_rate">37.955</property>
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-    <property name="meta.media.0.codec.bit_rate">24972958</property>
-    <property name="meta.attr.0.stream.creation_time.markup">2024-01-15T02:24:11.000000Z</property>
+    <property name="meta.media.0.codec.bit_rate">25741987</property>
+    <property name="meta.attr.0.stream.creation_time.markup">2024-01-22T03:04:03.000000Z</property>
     <property name="meta.attr.0.stream.handler_name.markup">Core Media Video</property>
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     <property name="meta.media.1.codec.name">aac</property>
     <property name="meta.media.1.codec.long_name">AAC (Advanced Audio Coding)</property>
-    <property name="meta.media.1.codec.bit_rate">125820</property>
-    <property name="meta.attr.1.stream.creation_time.markup">2024-01-15T02:24:11.000000Z</property>
+    <property name="meta.media.1.codec.bit_rate">125731</property>
+    <property name="meta.attr.1.stream.creation_time.markup">2024-01-22T03:04:03.000000Z</property>
     <property name="meta.attr.1.stream.handler_name.markup">Core Media Audio</property>
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     <property name="meta.attr.compatible_brands.markup">qt  </property>
-    <property name="meta.attr.creation_time.markup">2024-01-15T02:24:11.000000Z</property>
+    <property name="meta.attr.creation_time.markup">2024-01-22T03:04:03.000000Z</property>
     <property name="meta.attr.encoder.markup">Lavf60.16.100</property>
     <property name="seekable">1</property>
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     <property name="audio_index">-1</property>
     <property name="video_index">0</property>
-    <property name="creation_time">2024-01-15T02:24:11</property>
+    <property name="creation_time">2024-01-22T03:04:03</property>
     <property name="vstream">0</property>
-    <property name="meta.media.frame_rate_num">4728780</property>
-    <property name="meta.media.frame_rate_den">124589</property>
+    <property name="meta.media.frame_rate_num">100868</property>
+    <property name="meta.media.frame_rate_den">2679</property>
     <property name="meta.media.colorspace">709</property>
     <property name="meta.media.color_trc">1</property>
     <property name="meta.media.has_b_frames">1</property>
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-    <property name="shotcut:hash">460b48940530c197dc6e411af3f9c8e1</property>
-    <property name="shotcut:caption">Screen Recording 2024-01-15 at 02.48.38.mov</property>
+    <property name="shotcut:hash">cc43bc6e55d30bec7a8aac8c39901bee</property>
+    <property name="shotcut:caption">Screen Recording 2024-01-22 at 04.02.43.mov</property>
     <property name="xml">was here</property>
     <property name="meta.media.top_field_first">0</property>
     <property name="meta.media.progressive">1</property>
+    <property name="shotcut:defaultAudioIndex">1</property>
     <property name="meta.shotcut.vui">1</property>
     <property name="meta.attr.com.apple.quicktime.make.markup">Apple</property>
     <property name="meta.attr.com.apple.quicktime.model.markup">MacBookPro18,2</property>
     <property name="meta.attr.com.apple.quicktime.software.markup">macOS 14.2.1 (23C71)</property>
-    <property name="meta.attr.com.apple.quicktime.creationdate.markup">2024-01-15T02:48:48+0100</property>
+    <property name="meta.attr.com.apple.quicktime.creationdate.markup">2024-01-22T04:04:02+0100</property>
+    <filter id="filter93" in="00:24:33.560" out="00:24:37.960">
+      <property name="background">color:#00000000</property>
+      <property name="mlt_service">affine</property>
+      <property name="shotcut:filter">affineSizePosition</property>
+      <property name="transition.fill">1</property>
+      <property name="transition.distort">0</property>
+      <property name="transition.rect">-19.2 -76 1964.8 1228 1</property>
+      <property name="transition.valign">middle</property>
+      <property name="transition.halign">center</property>
+      <property name="shotcut:animIn">00:00:00.000</property>
+      <property name="shotcut:animOut">00:00:00.000</property>
+      <property name="transition.threads">0</property>
+      <property name="transition.fix_rotate_x">0</property>
+    </filter>
+  </chain>
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+    <property name="eof">pause</property>
+    <property name="resource">/Volumes/LaCie/GNU Taler films/ONLINE/tutorial-videos/original_media/merchant/order1/Screen Recording 2024-01-22 at 04.02.43.mov</property>
+    <property name="mlt_service">avformat-novalidate</property>
+    <property name="meta.media.nb_streams">2</property>
+    <property name="meta.media.0.stream.type">video</property>
+    <property name="meta.media.0.stream.frame_rate">37.6514</property>
+    <property name="meta.media.0.stream.sample_aspect_ratio">0</property>
+    <property name="meta.media.0.codec.width">3456</property>
+    <property name="meta.media.0.codec.height">2160</property>
+    <property name="meta.media.0.codec.rotate">0</property>
+    <property name="meta.media.0.codec.pix_fmt">yuv420p</property>
+    <property name="meta.media.0.codec.sample_aspect_ratio">0</property>
+    <property name="meta.media.0.codec.colorspace">709</property>
+    <property name="meta.media.0.codec.color_trc">1</property>
+    <property name="meta.media.0.codec.name">h264</property>
+    <property name="meta.media.0.codec.long_name">H.264 / AVC / MPEG-4 AVC / MPEG-4 part 10</property>
+    <property name="meta.media.0.codec.bit_rate">25741987</property>
+    <property name="meta.attr.0.stream.creation_time.markup">2024-01-22T03:04:03.000000Z</property>
+    <property name="meta.attr.0.stream.handler_name.markup">Core Media Video</property>
+    <property name="meta.attr.0.stream.vendor_id.markup">[0][0][0][0]</property>
+    <property name="meta.attr.0.stream.encoder.markup">H.264</property>
+    <property name="meta.media.1.stream.type">audio</property>
+    <property name="meta.media.1.codec.sample_fmt">fltp</property>
+    <property name="meta.media.1.codec.sample_rate">44100</property>
+    <property name="meta.media.1.codec.channels">1</property>
+    <property name="meta.media.1.codec.name">aac</property>
+    <property name="meta.media.1.codec.long_name">AAC (Advanced Audio Coding)</property>
+    <property name="meta.media.1.codec.bit_rate">125731</property>
+    <property name="meta.attr.1.stream.creation_time.markup">2024-01-22T03:04:03.000000Z</property>
+    <property name="meta.attr.1.stream.handler_name.markup">Core Media Audio</property>
+    <property name="meta.attr.1.stream.vendor_id.markup">[0][0][0][0]</property>
+    <property name="meta.attr.major_brand.markup">qt  </property>
+    <property name="meta.attr.minor_version.markup">0</property>
+    <property name="meta.attr.compatible_brands.markup">qt  </property>
+    <property name="meta.attr.creation_time.markup">2024-01-22T03:04:03.000000Z</property>
+    <property name="meta.attr.encoder.markup">Lavf60.16.100</property>
+    <property name="seekable">1</property>
+    <property name="meta.media.sample_aspect_num">1</property>
+    <property name="meta.media.sample_aspect_den">1</property>
+    <property name="audio_index">-1</property>
+    <property name="video_index">0</property>
+    <property name="creation_time">2024-01-22T03:04:03</property>
+    <property name="vstream">0</property>
+    <property name="meta.media.frame_rate_num">100868</property>
+    <property name="meta.media.frame_rate_den">2679</property>
+    <property name="meta.media.colorspace">709</property>
+    <property name="meta.media.color_trc">1</property>
+    <property name="meta.media.has_b_frames">1</property>
+    <property name="meta.media.width">3456</property>
+    <property name="meta.media.height">2160</property>
+    <property name="meta.media.aspect_ratio">1</property>
+    <property name="meta.media.color_range">mpeg</property>
+    <property name="astream">-1</property>
+    <property name="shotcut:hash">cc43bc6e55d30bec7a8aac8c39901bee</property>
+    <property name="shotcut:caption">Screen Recording 2024-01-22 at 04.02.43.mov</property>
+    <property name="xml">was here</property>
+    <property name="meta.media.top_field_first">0</property>
+    <property name="meta.media.progressive">1</property>
     <property name="shotcut:defaultAudioIndex">1</property>
-    <filter id="filter99" in="00:32:53.800" out="00:33:08.120">
+    <property name="meta.shotcut.vui">1</property>
+    <property name="meta.attr.com.apple.quicktime.make.markup">Apple</property>
+    <property name="meta.attr.com.apple.quicktime.model.markup">MacBookPro18,2</property>
+    <property name="meta.attr.com.apple.quicktime.software.markup">macOS 14.2.1 (23C71)</property>
+    <property name="meta.attr.com.apple.quicktime.creationdate.markup">2024-01-22T04:04:02+0100</property>
+    <filter id="filter94" in="00:24:39.320" out="00:24:47.080">
       <property name="background">color:#00000000</property>
       <property name="mlt_service">affine</property>
       <property name="shotcut:filter">affineSizePosition</property>
       <property name="transition.fill">1</property>
       <property name="transition.distort">0</property>
-      <property name="transition.rect">-1670.78 -1020 3621.66 2263.54 1</property>
+      <property name="transition.rect">-19.2 -76 1964.8 1228 1</property>
       <property name="transition.valign">middle</property>
       <property name="transition.halign">center</property>
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-    <property name="length">00:34:36.480</property>
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+    <property name="length">00:33:28.760</property>
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-    <property name="resource">/Volumes/LaCie/GNU Taler films/ONLINE/tutorial-videos/original_media/merchant/order1/Screen Recording 2024-01-15 at 02.48.38.mov</property>
+    <property name="resource">/Volumes/LaCie/GNU Taler films/ONLINE/tutorial-videos/original_media/merchant/order1/Screen Recording 2024-01-22 at 04.02.43.mov</property>
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     <property name="meta.media.0.stream.type">video</property>
-    <property name="meta.media.0.stream.frame_rate">37.955</property>
+    <property name="meta.media.0.stream.frame_rate">37.6514</property>
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     <property name="meta.media.0.codec.width">3456</property>
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-    <property name="meta.media.0.codec.bit_rate">24972958</property>
-    <property name="meta.attr.0.stream.creation_time.markup">2024-01-15T02:24:11.000000Z</property>
+    <property name="meta.media.0.codec.bit_rate">25741987</property>
+    <property name="meta.attr.0.stream.creation_time.markup">2024-01-22T03:04:03.000000Z</property>
     <property name="meta.attr.0.stream.handler_name.markup">Core Media Video</property>
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     <property name="meta.media.1.codec.long_name">AAC (Advanced Audio Coding)</property>
-    <property name="meta.media.1.codec.bit_rate">125820</property>
-    <property name="meta.attr.1.stream.creation_time.markup">2024-01-15T02:24:11.000000Z</property>
+    <property name="meta.media.1.codec.bit_rate">125731</property>
+    <property name="meta.attr.1.stream.creation_time.markup">2024-01-22T03:04:03.000000Z</property>
     <property name="meta.attr.1.stream.handler_name.markup">Core Media Audio</property>
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     <property name="meta.attr.compatible_brands.markup">qt  </property>
-    <property name="meta.attr.creation_time.markup">2024-01-15T02:24:11.000000Z</property>
+    <property name="meta.attr.creation_time.markup">2024-01-22T03:04:03.000000Z</property>
     <property name="meta.attr.encoder.markup">Lavf60.16.100</property>
     <property name="seekable">1</property>
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     <property name="video_index">0</property>
-    <property name="creation_time">2024-01-15T02:24:11</property>
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     <property name="vstream">0</property>
-    <property name="meta.media.frame_rate_num">4728780</property>
-    <property name="meta.media.frame_rate_den">124589</property>
+    <property name="meta.media.frame_rate_num">100868</property>
+    <property name="meta.media.frame_rate_den">2679</property>
     <property name="meta.media.colorspace">709</property>
     <property name="meta.media.color_trc">1</property>
     <property name="meta.media.has_b_frames">1</property>
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-    <property name="shotcut:caption">Screen Recording 2024-01-15 at 02.48.38.mov</property>
+    <property name="shotcut:hash">cc43bc6e55d30bec7a8aac8c39901bee</property>
+    <property name="shotcut:caption">Screen Recording 2024-01-22 at 04.02.43.mov</property>
     <property name="xml">was here</property>
     <property name="meta.media.top_field_first">0</property>
     <property name="meta.media.progressive">1</property>
+    <property name="shotcut:defaultAudioIndex">1</property>
     <property name="meta.shotcut.vui">1</property>
     <property name="meta.attr.com.apple.quicktime.make.markup">Apple</property>
     <property name="meta.attr.com.apple.quicktime.model.markup">MacBookPro18,2</property>
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-    <property name="meta.attr.com.apple.quicktime.creationdate.markup">2024-01-15T02:48:48+0100</property>
+    <property name="meta.attr.com.apple.quicktime.creationdate.markup">2024-01-22T04:04:02+0100</property>
+    <filter id="filter95" in="00:24:56.480" out="00:25:00.000">
+      <property name="background">color:#00000000</property>
+      <property name="mlt_service">affine</property>
+      <property name="shotcut:filter">affineSizePosition</property>
+      <property name="transition.fill">1</property>
+      <property name="transition.distort">0</property>
+      <property name="transition.rect">-19.2 -76 1964.8 1228 1</property>
+      <property name="transition.valign">middle</property>
+      <property name="transition.halign">center</property>
+      <property name="shotcut:animIn">00:00:00.000</property>
+      <property name="shotcut:animOut">00:00:00.000</property>
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+      <property name="transition.fix_rotate_x">0</property>
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+    <property name="eof">pause</property>
+    <property name="resource">/Volumes/LaCie/GNU Taler films/ONLINE/tutorial-videos/original_media/merchant/order1/Screen Recording 2024-01-22 at 04.02.43.mov</property>
+    <property name="mlt_service">avformat-novalidate</property>
+    <property name="meta.media.nb_streams">2</property>
+    <property name="meta.media.0.stream.type">video</property>
+    <property name="meta.media.0.stream.frame_rate">37.6514</property>
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-    <property name="meta.attr.0.stream.creation_time.markup">2024-01-15T04:40:01.000000Z</property>
+    <property name="meta.media.0.codec.name">h264</property>
+    <property name="meta.media.0.codec.long_name">H.264 / AVC / MPEG-4 AVC / MPEG-4 part 10</property>
+    <property name="meta.media.0.codec.bit_rate">25741987</property>
+    <property name="meta.attr.0.stream.creation_time.markup">2024-01-22T03:04:03.000000Z</property>
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-    <property name="meta.attr.0.stream.encoder.markup">Lavc60.31.102 hevc_videotoolbox</property>
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-    <property name="meta.attr.1.stream.creation_time.markup">2024-01-15T04:40:01.000000Z</property>
+    <property name="meta.media.1.codec.name">aac</property>
+    <property name="meta.media.1.codec.long_name">AAC (Advanced Audio Coding)</property>
+    <property name="meta.media.1.codec.bit_rate">125731</property>
+    <property name="meta.attr.1.stream.creation_time.markup">2024-01-22T03:04:03.000000Z</property>
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-    <property name="meta.attr.creation_time.markup">2024-01-15T04:40:01.000000Z</property>
+    <property name="meta.attr.major_brand.markup">qt  </property>
+    <property name="meta.attr.minor_version.markup">0</property>
+    <property name="meta.attr.compatible_brands.markup">qt  </property>
+    <property name="meta.attr.creation_time.markup">2024-01-22T03:04:03.000000Z</property>
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+    <property name="meta.media.frame_rate_den">2679</property>
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+    <property name="meta.attr.com.apple.quicktime.make.markup">Apple</property>
+    <property name="meta.attr.com.apple.quicktime.model.markup">MacBookPro18,2</property>
+    <property name="meta.attr.com.apple.quicktime.software.markup">macOS 14.2.1 (23C71)</property>
+    <property name="meta.attr.com.apple.quicktime.creationdate.markup">2024-01-22T04:04:02+0100</property>
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-    <property name="meta.attr.0.stream.creation_time.markup">2024-01-15T04:40:01.000000Z</property>
+    <property name="meta.media.0.codec.name">h264</property>
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-    <property name="meta.attr.0.stream.encoder.markup">Lavc60.31.102 hevc_videotoolbox</property>
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-    <property name="meta.attr.1.stream.creation_time.markup">2024-01-15T04:40:01.000000Z</property>
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-    <property name="meta.attr.creation_time.markup">2024-01-15T04:40:01.000000Z</property>
+    <property name="meta.attr.major_brand.markup">qt  </property>
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+    <property name="meta.attr.compatible_brands.markup">qt  </property>
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