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| 1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2012 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 // Audio rendering unit utilizing an AudioRendererSink to output data. | 5 // Audio rendering unit utilizing an AudioRendererSink to output data. |
| 6 // | 6 // |
| 7 // This class lives inside three threads during it's lifetime, namely: | 7 // This class lives inside three threads during it's lifetime, namely: |
| 8 // 1. Render thread | 8 // 1. Render thread |
| 9 // Where the object is created. | 9 // Where the object is created. |
| 10 // 2. Media thread (provided via constructor) | 10 // 2. Media thread (provided via constructor) |
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| 66 AudioRendererSink* sink, | 66 AudioRendererSink* sink, |
| 67 ScopedVector<AudioDecoder> decoders, | 67 ScopedVector<AudioDecoder> decoders, |
| 68 const scoped_refptr<MediaLog>& media_log); | 68 const scoped_refptr<MediaLog>& media_log); |
| 69 ~AudioRendererImpl() override; | 69 ~AudioRendererImpl() override; |
| 70 | 70 |
| 71 // TimeSource implementation. | 71 // TimeSource implementation. |
| 72 void StartTicking() override; | 72 void StartTicking() override; |
| 73 void StopTicking() override; | 73 void StopTicking() override; |
| 74 void SetPlaybackRate(double rate) override; | 74 void SetPlaybackRate(double rate) override; |
| 75 void SetMediaTime(base::TimeDelta time) override; | 75 void SetMediaTime(base::TimeDelta time) override; |
| 76 base::TimeDelta CurrentMediaTime() override; | 76 base::TimeDelta CurrentMediaTime(base::TimeTicks* reference) override; |
| 77 bool GetWallClockTimes( | 77 bool GetWallClockTimes( |
| 78 const std::vector<base::TimeDelta>& media_timestamps, | 78 const std::vector<base::TimeDelta>& media_timestamps, |
| 79 std::vector<base::TimeTicks>* wall_clock_times) override; | 79 std::vector<base::TimeTicks>* wall_clock_times) override; |
| 80 | 80 |
| 81 // AudioRenderer implementation. | 81 // AudioRenderer implementation. |
| 82 void Initialize(DemuxerStream* stream, | 82 void Initialize(DemuxerStream* stream, |
| 83 CdmContext* cdm_context, | 83 CdmContext* cdm_context, |
| 84 RendererClient* client, | 84 RendererClient* client, |
| 85 const PipelineStatusCB& init_cb) override; | 85 const PipelineStatusCB& init_cb) override; |
| 86 TimeSource* GetTimeSource() override; | 86 TimeSource* GetTimeSource() override; |
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| 298 | 298 |
| 299 // NOTE: Weak pointers must be invalidated before all other member variables. | 299 // NOTE: Weak pointers must be invalidated before all other member variables. |
| 300 base::WeakPtrFactory<AudioRendererImpl> weak_factory_; | 300 base::WeakPtrFactory<AudioRendererImpl> weak_factory_; |
| 301 | 301 |
| 302 DISALLOW_COPY_AND_ASSIGN(AudioRendererImpl); | 302 DISALLOW_COPY_AND_ASSIGN(AudioRendererImpl); |
| 303 }; | 303 }; |
| 304 | 304 |
| 305 } // namespace media | 305 } // namespace media |
| 306 | 306 |
| 307 #endif // MEDIA_RENDERERS_AUDIO_RENDERER_IMPL_H_ | 307 #endif // MEDIA_RENDERERS_AUDIO_RENDERER_IMPL_H_ |
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