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// Copyright 2014 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_renderer_factory.h"
#include <utility>
#include "base/bind.h"
#include "base/single_thread_task_runner.h"
#include "build/build_config.h"
#include "media/base/decoder_factory.h"
#include "media/base/media_log.h"
#include "media/filters/gpu_video_decoder.h"
#include "media/filters/opus_audio_decoder.h"
#include "media/renderers/audio_renderer_impl.h"
#include "media/renderers/gpu_video_accelerator_factories.h"
#include "media/renderers/renderer_impl.h"
#include "media/renderers/video_renderer_impl.h"
#if !defined(MEDIA_DISABLE_FFMPEG)
#include "media/filters/ffmpeg_audio_decoder.h"
#if !defined(DISABLE_FFMPEG_VIDEO_DECODERS)
#include "media/filters/ffmpeg_video_decoder.h"
#endif
#endif
#if !defined(MEDIA_DISABLE_LIBVPX)
#include "media/filters/vpx_video_decoder.h"
#endif
namespace media {
DefaultRendererFactory::DefaultRendererFactory(
const scoped_refptr<MediaLog>& media_log,
DecoderFactory* decoder_factory,
const GetGpuFactoriesCB& get_gpu_factories_cb,
const AudioHardwareConfig& audio_hardware_config)
: media_log_(media_log),
decoder_factory_(decoder_factory),
get_gpu_factories_cb_(get_gpu_factories_cb),
audio_hardware_config_(audio_hardware_config) {}
DefaultRendererFactory::~DefaultRendererFactory() {
}
ScopedVector<AudioDecoder> DefaultRendererFactory::CreateAudioDecoders(
const scoped_refptr<base::SingleThreadTaskRunner>& media_task_runner) {
// Create our audio decoders and renderer.
ScopedVector<AudioDecoder> audio_decoders;
#if !defined(MEDIA_DISABLE_FFMPEG)
audio_decoders.push_back(
new FFmpegAudioDecoder(media_task_runner, media_log_));
#endif
audio_decoders.push_back(new OpusAudioDecoder(media_task_runner));
// Use an external decoder only if we cannot otherwise decode in the
// renderer.
if (decoder_factory_)
decoder_factory_->CreateAudioDecoders(media_task_runner, &audio_decoders);
return audio_decoders;
}
ScopedVector<VideoDecoder> DefaultRendererFactory::CreateVideoDecoders(
const scoped_refptr<base::SingleThreadTaskRunner>& media_task_runner,
const RequestSurfaceCB& request_surface_cb,
GpuVideoAcceleratorFactories* gpu_factories) {
// Create our video decoders and renderer.
ScopedVector<VideoDecoder> video_decoders;
// Prefer an external decoder since one will only exist if it is hardware
// accelerated.
if (decoder_factory_)
decoder_factory_->CreateVideoDecoders(media_task_runner, &video_decoders);
// |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(!gpu_factories ||
(gpu_factories->GetTaskRunner() == media_task_runner.get()));
if (gpu_factories)
video_decoders.push_back(
new GpuVideoDecoder(gpu_factories, request_surface_cb));
#if !defined(MEDIA_DISABLE_LIBVPX)
video_decoders.push_back(new VpxVideoDecoder());
#endif
#if !defined(MEDIA_DISABLE_FFMPEG) && !defined(DISABLE_FFMPEG_VIDEO_DECODERS)
video_decoders.push_back(new FFmpegVideoDecoder());
#endif
return video_decoders;
}
scoped_ptr<Renderer> DefaultRendererFactory::CreateRenderer(
const scoped_refptr<base::SingleThreadTaskRunner>& media_task_runner,
const scoped_refptr<base::TaskRunner>& worker_task_runner,
AudioRendererSink* audio_renderer_sink,
VideoRendererSink* video_renderer_sink,
const RequestSurfaceCB& request_surface_cb) {
DCHECK(audio_renderer_sink);
scoped_ptr<AudioRenderer> audio_renderer(
new AudioRendererImpl(media_task_runner, audio_renderer_sink,
CreateAudioDecoders(media_task_runner),
audio_hardware_config_, media_log_));
GpuVideoAcceleratorFactories* gpu_factories = nullptr;
if (!get_gpu_factories_cb_.is_null())
gpu_factories = get_gpu_factories_cb_.Run();
scoped_ptr<VideoRenderer> video_renderer(new VideoRendererImpl(
media_task_runner, worker_task_runner, video_renderer_sink,
CreateVideoDecoders(media_task_runner, request_surface_cb, gpu_factories),
true, gpu_factories, media_log_));
return scoped_ptr<Renderer>(new RendererImpl(
media_task_runner, std::move(audio_renderer), std::move(video_renderer)));
}
} // namespace media
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