Index: media/renderers/renderer_impl.h |
diff --git a/media/renderers/renderer_impl.h b/media/renderers/renderer_impl.h |
index f55a7635e22707644c5b818813542d23a49544c0..4206a90311498c1e2b43e31967589264c1d3d3f9 100644 |
--- a/media/renderers/renderer_impl.h |
+++ b/media/renderers/renderer_impl.h |
@@ -106,8 +106,29 @@ class MEDIA_EXPORT RendererImpl : public Renderer { |
void FlushVideoRenderer(); |
void OnVideoRendererFlushDone(); |
- void RestartAudioRenderer(base::TimeDelta time); |
- void RestartVideoRenderer(base::TimeDelta time); |
+ // Reinitialize audio/video renderer during a media track switching. The |
+ // renderer must be flushed first, and when the re-init is completed the |
+ // corresponding callback will be invoked to restart playback. |
+ // The |stream| parameter specifies the demuxer stream representing the new |
+ // media track. And the |time| parameter specifies the time on media timeline |
+ // where the switch occured. |
xhwang
2017/03/29 00:16:47
nit: At this level, we are dealing with DemuxerStr
servolk
2017/03/29 01:49:33
Done.
|
+ void ReinitializeAudioRenderer(DemuxerStream* stream, base::TimeDelta time); |
+ void OnAudioRendererReinitialized(DemuxerStream* stream, |
+ base::TimeDelta time, |
+ PipelineStatus status); |
+ void ReinitializeVideoRenderer(DemuxerStream* stream, base::TimeDelta time); |
+ void OnVideoRendererReinitialized(DemuxerStream* stream, |
+ base::TimeDelta time, |
+ PipelineStatus status); |
+ |
+ // Restart audio/video renderer playback after a media track switch or after a |
+ // media track has been disabled and re-enabled. The |stream| parameter |
xhwang
2017/03/29 00:16:47
ditto about "media track"
servolk
2017/03/29 01:49:33
Done.
|
+ // specifies which stream needs to be restarted. The |time| parameter |
+ // specifies the position on the media timeline where the playback needs to be |
+ // restarted. It is necessary for demuxers with independent streams (e.g. MSE |
+ // / ChunkDemuxer) to synchronize data reading between those streams. |
+ void RestartAudioRenderer(DemuxerStream* stream, base::TimeDelta time); |
+ void RestartVideoRenderer(DemuxerStream* stream, base::TimeDelta time); |
// Callback executed by filters to update statistics. |
void OnStatisticsUpdate(const PipelineStatistics& stats); |
@@ -166,6 +187,9 @@ class MEDIA_EXPORT RendererImpl : public Renderer { |
std::unique_ptr<AudioRenderer> audio_renderer_; |
std::unique_ptr<VideoRenderer> video_renderer_; |
+ DemuxerStream* current_audio_stream_; |
+ DemuxerStream* current_video_stream_; |
+ |
// Renderer-provided time source used to control playback. |
TimeSource* time_source_; |
std::unique_ptr<WallClockTimeSource> wall_clock_time_source_; |