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// Copyright 2018 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.
#include "media/renderers/default_decoder_factory.h"
#include <memory>
#include "base/feature_list.h"
#include "base/single_thread_task_runner.h"
#include "build/build_config.h"
#include "build/buildflag.h"
#include "media/base/decoder_factory.h"
#include "media/base/media_switches.h"
#include "media/media_buildflags.h"
#include "media/video/gpu_video_accelerator_factories.h"
#include "third_party/libaom/libaom_buildflags.h"
#if !defined(OS_ANDROID)
#include "media/filters/decrypting_audio_decoder.h"
#include "media/filters/decrypting_video_decoder.h"
#endif
#if defined(OS_FUCHSIA)
#include "media/filters/fuchsia/fuchsia_video_decoder.h"
#endif
#if BUILDFLAG(ENABLE_LIBAOM_DECODER)
#include "media/filters/aom_video_decoder.h"
#endif
#if BUILDFLAG(ENABLE_DAV1D_DECODER)
#include "media/filters/dav1d_video_decoder.h"
#endif
#if BUILDFLAG(ENABLE_FFMPEG)
#include "media/filters/ffmpeg_audio_decoder.h"
#endif
#if BUILDFLAG(ENABLE_FFMPEG_VIDEO_DECODERS)
#include "media/filters/ffmpeg_video_decoder.h"
#endif
#if BUILDFLAG(ENABLE_LIBVPX)
#include "media/filters/vpx_video_decoder.h"
#endif
namespace media {
DefaultDecoderFactory::DefaultDecoderFactory(
std::unique_ptr<DecoderFactory> external_decoder_factory)
: external_decoder_factory_(std::move(external_decoder_factory)) {}
DefaultDecoderFactory::~DefaultDecoderFactory() = default;
void DefaultDecoderFactory::CreateAudioDecoders(
scoped_refptr<base::SingleThreadTaskRunner> task_runner,
MediaLog* media_log,
std::vector<std::unique_ptr<AudioDecoder>>* audio_decoders) {
#if !defined(OS_ANDROID)
// DecryptingAudioDecoder is only needed in External Clear Key testing to
// cover the audio decrypt-and-decode path.
if (base::FeatureList::IsEnabled(kExternalClearKeyForTesting)) {
audio_decoders->push_back(
std::make_unique<DecryptingAudioDecoder>(task_runner, media_log));
}
#endif
#if BUILDFLAG(ENABLE_FFMPEG)
audio_decoders->push_back(
std::make_unique<FFmpegAudioDecoder>(task_runner, media_log));
#endif
if (external_decoder_factory_) {
external_decoder_factory_->CreateAudioDecoders(task_runner, media_log,
audio_decoders);
}
}
void DefaultDecoderFactory::CreateVideoDecoders(
scoped_refptr<base::SingleThreadTaskRunner> task_runner,
GpuVideoAcceleratorFactories* gpu_factories,
MediaLog* media_log,
const RequestOverlayInfoCB& request_overlay_info_cb,
const gfx::ColorSpace& target_color_space,
std::vector<std::unique_ptr<VideoDecoder>>* video_decoders) {
#if !defined(OS_ANDROID)
video_decoders->push_back(
std::make_unique<DecryptingVideoDecoder>(task_runner, media_log));
#endif
// Perfer an external decoder since one will only exist if it is hardware
// accelerated.
if (external_decoder_factory_ && gpu_factories &&
gpu_factories->IsGpuVideoAcceleratorEnabled()) {
// |gpu_factories_| requires that its entry points be called on its
// |GetTaskRunner()|. Since |pipeline_| will own decoders created from the
// factories, require that their message loops are identical.
DCHECK_EQ(gpu_factories->GetTaskRunner(), task_runner);
external_decoder_factory_->CreateVideoDecoders(
task_runner, gpu_factories, media_log, request_overlay_info_cb,
target_color_space, video_decoders);
}
#if defined(OS_FUCHSIA)
video_decoders->push_back(CreateFuchsiaVideoDecoder());
#endif
#if BUILDFLAG(ENABLE_LIBVPX)
video_decoders->push_back(std::make_unique<OffloadingVpxVideoDecoder>());
#endif
#if BUILDFLAG(ENABLE_DAV1D_DECODER)
video_decoders->push_back(
std::make_unique<OffloadingDav1dVideoDecoder>(media_log));
#elif BUILDFLAG(ENABLE_LIBAOM_DECODER)
video_decoders->push_back(std::make_unique<AomVideoDecoder>(media_log));
#endif
#if BUILDFLAG(ENABLE_FFMPEG_VIDEO_DECODERS)
video_decoders->push_back(std::make_unique<FFmpegVideoDecoder>(media_log));
#endif
}
} // namespace media
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