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| 1 // Copyright 2015 The Chromium Authors. All rights reserved. | 1 // Copyright 2015 The Chromium Authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
| 4 | 4 |
| 5 #include "chromecast/renderer/media/chromecast_media_renderer_factory.h" | 5 #include "chromecast/renderer/media/chromecast_media_renderer_factory.h" |
| 6 | 6 |
| 7 #include "base/command_line.h" | 7 #include "base/command_line.h" |
| 8 #include "chromecast/media/base/switching_media_renderer.h" | 8 #include "chromecast/media/base/switching_media_renderer.h" |
| 9 #include "chromecast/media/cma/filters/cma_renderer.h" | 9 #include "chromecast/renderer/media/cma_renderer.h" |
| 10 #include "chromecast/renderer/media/media_pipeline_proxy.h" | 10 #include "chromecast/renderer/media/media_pipeline_proxy.h" |
| 11 #include "content/public/renderer/render_thread.h" | 11 #include "content/public/renderer/render_thread.h" |
| 12 #include "media/base/audio_hardware_config.h" | 12 #include "media/base/audio_hardware_config.h" |
| 13 #include "media/base/media_log.h" | 13 #include "media/base/media_log.h" |
| 14 #include "media/renderers/default_renderer_factory.h" | 14 #include "media/renderers/default_renderer_factory.h" |
| 15 #include "media/renderers/gpu_video_accelerator_factories.h" | 15 #include "media/renderers/gpu_video_accelerator_factories.h" |
| 16 | 16 |
| 17 namespace chromecast { | 17 namespace chromecast { |
| 18 namespace media { | 18 namespace media { |
| 19 | 19 |
| 20 ChromecastMediaRendererFactory::ChromecastMediaRendererFactory( | 20 ChromecastMediaRendererFactory::ChromecastMediaRendererFactory( |
| 21 const scoped_refptr<::media::GpuVideoAcceleratorFactories>& gpu_factories, | 21 const scoped_refptr<::media::GpuVideoAcceleratorFactories>& gpu_factories, |
| 22 const scoped_refptr<::media::MediaLog>& media_log, | 22 const scoped_refptr<::media::MediaLog>& media_log, |
| 23 int render_frame_id) | 23 int render_frame_id) |
| 24 : render_frame_id_(render_frame_id), | 24 : render_frame_id_(render_frame_id), |
| 25 gpu_factories_(gpu_factories), | 25 gpu_factories_(gpu_factories), |
| 26 media_log_(media_log) { | 26 media_log_(media_log) { |
| 27 } | 27 } |
| 28 | 28 |
| 29 ChromecastMediaRendererFactory::~ChromecastMediaRendererFactory() { | 29 ChromecastMediaRendererFactory::~ChromecastMediaRendererFactory() { |
| 30 } | 30 } |
| 31 | 31 |
| 32 scoped_ptr<::media::Renderer> ChromecastMediaRendererFactory::CreateRenderer( | 32 scoped_ptr<::media::Renderer> ChromecastMediaRendererFactory::CreateRenderer( |
| 33 const scoped_refptr<base::SingleThreadTaskRunner>& media_task_runner, | 33 const scoped_refptr<base::SingleThreadTaskRunner>& media_task_runner, |
| 34 const scoped_refptr<base::TaskRunner>& worker_task_runner, | 34 const scoped_refptr<base::TaskRunner>& worker_task_runner, |
| 35 ::media::AudioRendererSink* audio_renderer_sink, | 35 ::media::AudioRendererSink* audio_renderer_sink, |
| 36 ::media::VideoRendererSink* video_renderer_sink) { | 36 ::media::VideoRendererSink* video_renderer_sink) { |
| 37 if (!default_render_factory_) { | 37 if (!default_renderer_factory_) { |
| 38 // Chromecast doesn't have input audio devices, so leave this uninitialized | 38 // Chromecast doesn't have input audio devices, so leave this uninitialized |
| 39 ::media::AudioParameters input_audio_params; | 39 ::media::AudioParameters input_audio_params; |
| 40 // TODO(servolk): Audio parameters are hardcoded for now, but in the future | 40 // TODO(servolk): Audio parameters are hardcoded for now, but in the future |
| 41 // either we need to obtain AudioHardwareConfig from RenderThreadImpl, | 41 // either we need to obtain AudioHardwareConfig from RenderThreadImpl, |
| 42 // or media renderer needs to figure out optimal audio parameters itself. | 42 // or media renderer needs to figure out optimal audio parameters itself. |
| 43 const int kDefaultSamplingRate = 48000; | 43 const int kDefaultSamplingRate = 48000; |
| 44 const int kDefaultBitsPerSample = 16; | 44 const int kDefaultBitsPerSample = 16; |
| 45 // About 20ms of stereo (2 channels) 16bit (2 byte) audio | 45 // About 20ms of stereo (2 channels) 16bit (2 byte) audio |
| 46 int buffer_size = kDefaultSamplingRate * 20 * 2 * 2 / 1000; | 46 int buffer_size = kDefaultSamplingRate * 20 * 2 * 2 / 1000; |
| 47 ::media::AudioParameters output_audio_params( | 47 ::media::AudioParameters output_audio_params( |
| 48 ::media::AudioParameters::AUDIO_PCM_LOW_LATENCY, | 48 ::media::AudioParameters::AUDIO_PCM_LOW_LATENCY, |
| 49 ::media::CHANNEL_LAYOUT_STEREO, kDefaultSamplingRate, | 49 ::media::CHANNEL_LAYOUT_STEREO, kDefaultSamplingRate, |
| 50 kDefaultBitsPerSample, buffer_size); | 50 kDefaultBitsPerSample, buffer_size); |
| 51 | 51 |
| 52 audio_config_.reset(new ::media::AudioHardwareConfig(input_audio_params, | 52 audio_config_.reset(new ::media::AudioHardwareConfig(input_audio_params, |
| 53 output_audio_params)); | 53 output_audio_params)); |
| 54 | 54 |
| 55 default_render_factory_.reset(new ::media::DefaultRendererFactory( | 55 default_renderer_factory_.reset(new ::media::DefaultRendererFactory( |
| 56 media_log_, /*gpu_factories*/ nullptr, *audio_config_)); | 56 media_log_, /*gpu_factories*/ nullptr, *audio_config_)); |
| 57 } | 57 } |
| 58 | 58 |
| 59 DCHECK(default_render_factory_); | 59 DCHECK(default_renderer_factory_); |
| 60 // TODO(erickung): crbug.com/443956. Need to provide right LoadType. | 60 // TODO(erickung): crbug.com/443956. Need to provide right LoadType. |
| 61 LoadType cma_load_type = kLoadTypeMediaSource; | 61 LoadType cma_load_type = kLoadTypeMediaSource; |
| 62 scoped_ptr<MediaPipeline> cma_media_pipeline( | 62 scoped_ptr<MediaPipelineProxy> cma_media_pipeline(new MediaPipelineProxy( |
| 63 new MediaPipelineProxy( | 63 render_frame_id_, |
| 64 render_frame_id_, | 64 content::RenderThread::Get()->GetIOMessageLoopProxy(), |
| 65 content::RenderThread::Get()->GetIOMessageLoopProxy(), | 65 cma_load_type)); |
| 66 cma_load_type)); | |
| 67 scoped_ptr<CmaRenderer> cma_renderer(new CmaRenderer( | 66 scoped_ptr<CmaRenderer> cma_renderer(new CmaRenderer( |
| 68 cma_media_pipeline.Pass(), video_renderer_sink, gpu_factories_)); | 67 cma_media_pipeline.Pass(), video_renderer_sink, gpu_factories_)); |
| 69 scoped_ptr<::media::Renderer> default_media_render( | 68 scoped_ptr<::media::Renderer> default_media_renderer( |
| 70 default_render_factory_->CreateRenderer( | 69 default_renderer_factory_->CreateRenderer(media_task_runner, |
| 71 media_task_runner, media_task_runner, audio_renderer_sink, | 70 media_task_runner, |
| 72 video_renderer_sink)); | 71 audio_renderer_sink, |
| 72 video_renderer_sink)); |
| 73 scoped_ptr<SwitchingMediaRenderer> media_renderer(new SwitchingMediaRenderer( | 73 scoped_ptr<SwitchingMediaRenderer> media_renderer(new SwitchingMediaRenderer( |
| 74 default_media_render.Pass(), cma_renderer.Pass())); | 74 default_media_renderer.Pass(), cma_renderer.Pass())); |
| 75 return media_renderer.Pass(); | 75 return media_renderer.Pass(); |
| 76 } | 76 } |
| 77 | 77 |
| 78 } // namespace media | 78 } // namespace media |
| 79 } // namespace chromecast | 79 } // namespace chromecast |
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