| # 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)) |