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1 // Copyright 2014 The Chromium Authors. All rights reserved. | 1 // Copyright 2014 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 #ifndef MEDIA_RENDERERS_RENDERER_IMPL_H_ | 5 #ifndef MEDIA_RENDERERS_RENDERER_IMPL_H_ |
6 #define MEDIA_RENDERERS_RENDERER_IMPL_H_ | 6 #define MEDIA_RENDERERS_RENDERER_IMPL_H_ |
7 | 7 |
8 #include <memory> | 8 #include <memory> |
9 #include <vector> | 9 #include <vector> |
10 | 10 |
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49 ~RendererImpl() final; | 49 ~RendererImpl() final; |
50 | 50 |
51 // Renderer implementation. | 51 // Renderer implementation. |
52 void Initialize(DemuxerStreamProvider* demuxer_stream_provider, | 52 void Initialize(DemuxerStreamProvider* demuxer_stream_provider, |
53 RendererClient* client, | 53 RendererClient* client, |
54 const PipelineStatusCB& init_cb) final; | 54 const PipelineStatusCB& init_cb) final; |
55 void SetCdm(CdmContext* cdm_context, | 55 void SetCdm(CdmContext* cdm_context, |
56 const CdmAttachedCB& cdm_attached_cb) final; | 56 const CdmAttachedCB& cdm_attached_cb) final; |
57 void Flush(const base::Closure& flush_cb) final; | 57 void Flush(const base::Closure& flush_cb) final; |
58 void StartPlayingFrom(base::TimeDelta time) final; | 58 void StartPlayingFrom(base::TimeDelta time) final; |
| 59 void RestartStreamPlayback(DemuxerStream* stream, base::TimeDelta time) final; |
59 void SetPlaybackRate(double playback_rate) final; | 60 void SetPlaybackRate(double playback_rate) final; |
60 void SetVolume(float volume) final; | 61 void SetVolume(float volume) final; |
61 base::TimeDelta GetMediaTime() final; | 62 base::TimeDelta GetMediaTime() final; |
62 bool HasAudio() final; | 63 bool HasAudio() final; |
63 bool HasVideo() final; | 64 bool HasVideo() final; |
64 | 65 |
65 // Helper functions for testing purposes. Must be called before Initialize(). | 66 // Helper functions for testing purposes. Must be called before Initialize(). |
66 void DisableUnderflowForTesting(); | 67 void DisableUnderflowForTesting(); |
67 void EnableClocklessVideoPlaybackForTesting(); | 68 void EnableClocklessVideoPlaybackForTesting(); |
68 void set_time_source_for_testing(TimeSource* time_source) { | 69 void set_time_source_for_testing(TimeSource* time_source) { |
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96 void OnAudioRendererInitializeDone(PipelineStatus status); | 97 void OnAudioRendererInitializeDone(PipelineStatus status); |
97 void InitializeVideoRenderer(); | 98 void InitializeVideoRenderer(); |
98 void OnVideoRendererInitializeDone(PipelineStatus status); | 99 void OnVideoRendererInitializeDone(PipelineStatus status); |
99 | 100 |
100 // Helper functions and callbacks for Flush(). | 101 // Helper functions and callbacks for Flush(). |
101 void FlushAudioRenderer(); | 102 void FlushAudioRenderer(); |
102 void OnAudioRendererFlushDone(); | 103 void OnAudioRendererFlushDone(); |
103 void FlushVideoRenderer(); | 104 void FlushVideoRenderer(); |
104 void OnVideoRendererFlushDone(); | 105 void OnVideoRendererFlushDone(); |
105 | 106 |
| 107 void OnAudioRendererFlushDone_ForRestart(base::TimeDelta time); |
| 108 void OnVideoRendererFlushDone_ForRestart(base::TimeDelta time); |
| 109 |
106 // Callback executed by filters to update statistics. | 110 // Callback executed by filters to update statistics. |
107 void OnStatisticsUpdate(const PipelineStatistics& stats); | 111 void OnStatisticsUpdate(const PipelineStatistics& stats); |
108 | 112 |
109 // Collection of callback methods and helpers for tracking changes in | 113 // Collection of callback methods and helpers for tracking changes in |
110 // buffering state and transition from paused/underflow states and playing | 114 // buffering state and transition from paused/underflow states and playing |
111 // states. | 115 // states. |
112 // | 116 // |
113 // While in the kPlaying state: | 117 // While in the kPlaying state: |
114 // - A waiting to non-waiting transition indicates preroll has completed | 118 // - A waiting to non-waiting transition indicates preroll has completed |
115 // and StartPlayback() should be called | 119 // and StartPlayback() should be called |
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171 bool underflow_disabled_for_testing_; | 175 bool underflow_disabled_for_testing_; |
172 bool clockless_video_playback_enabled_for_testing_; | 176 bool clockless_video_playback_enabled_for_testing_; |
173 | 177 |
174 // Used to defer underflow for video when audio is present. | 178 // Used to defer underflow for video when audio is present. |
175 base::CancelableClosure deferred_underflow_cb_; | 179 base::CancelableClosure deferred_underflow_cb_; |
176 | 180 |
177 // The amount of time to wait before declaring underflow if the video renderer | 181 // The amount of time to wait before declaring underflow if the video renderer |
178 // runs out of data but the audio renderer still has enough. | 182 // runs out of data but the audio renderer still has enough. |
179 base::TimeDelta video_underflow_threshold_; | 183 base::TimeDelta video_underflow_threshold_; |
180 | 184 |
| 185 bool restarting_audio_ = false; |
| 186 bool restarting_video_ = false; |
| 187 |
181 base::WeakPtr<RendererImpl> weak_this_; | 188 base::WeakPtr<RendererImpl> weak_this_; |
182 base::WeakPtrFactory<RendererImpl> weak_factory_; | 189 base::WeakPtrFactory<RendererImpl> weak_factory_; |
183 | 190 |
184 DISALLOW_COPY_AND_ASSIGN(RendererImpl); | 191 DISALLOW_COPY_AND_ASSIGN(RendererImpl); |
185 }; | 192 }; |
186 | 193 |
187 } // namespace media | 194 } // namespace media |
188 | 195 |
189 #endif // MEDIA_RENDERERS_RENDERER_IMPL_H_ | 196 #endif // MEDIA_RENDERERS_RENDERER_IMPL_H_ |
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