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# Copyright 2015 The Chromium Authors. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
# The args declared in this file should be referenced by components outside of
# //chromecast. Args needed only in //chromecast should be declared in
# //chromecast/chromecast.gni.
declare_args() {
# Set this true for a Chromecast build. Chromecast builds are supported on
# Linux and Android.
is_chromecast = false
# If true, IS_CAST_DEBUG_BUILD() will evaluate to 1 in version.h. Otherwise,
# it will evaluate to 0. Overriding this when is_debug=false is useful for
# doing engineering builds.
cast_is_debug = is_debug
# chromecast_branding is used to include or exclude Google-branded components.
# Set it to "public" for a Chromium build.
chromecast_branding = "public"
# Set this true for an audio-only Chromecast build.
is_cast_audio_only = false
# If true, use cast CMA backend instead of default chromium media pipeline.
# TODO(sanfin): Remove this flag when all builds enable CMA.
is_cast_using_cma_backend = true
}
# Note(slan): This arg depends on the value of is_chromecast, and thus must be
# declared in a separate block. These blocks can be combined when/if
# crbug.com/542846 is resolved.
declare_args() {
# True if Chromecast build is targeted for linux desktop. This type of build
# is useful for testing and development, but currently supports only a subset
# of Cast functionality. Though this defaults to true for x86 Linux devices,
# this should be overriden manually for an embedded x86 build.
# TODO(slan): Remove instances of this when x86 is a fully supported platform.
is_cast_desktop_build = is_chromecast && target_os == "linux" &&
(target_cpu == "x86" || target_cpu == "x64")
}
declare_args() {
# True to enable the cast renderer. It is enabled by default for non-android
# builds.
enable_cast_renderer =
is_chromecast && is_cast_using_cma_backend && !is_android
}
# Configures media options for cast. See media/media_options.gni
cast_mojo_media_services = []
cast_mojo_media_host = "none"
if (enable_cast_renderer) {
cast_mojo_media_services = [
"cdm",
"renderer",
]
cast_mojo_media_host = "browser"
} else if (is_android) {
cast_mojo_media_services = [
"cdm",
"audio_decoder",
]
if (is_cast_audio_only) {
cast_mojo_media_host = "browser"
} else {
cast_mojo_media_services += [ "video_decoder" ]
cast_mojo_media_host = "gpu"
}
}
# Assert that Chromecast is being built for a supported platform.
assert(is_linux || is_android || is_fuchsia || !is_chromecast,
"Chromecast builds are not supported on $target_os")
# Assert that is_cast_audio_only and is_cast_desktop_build are both false on a
# non-Chromecast build.
assert(is_chromecast || (!is_cast_audio_only && !is_cast_desktop_build))
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