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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 CONTENT_RENDERER_MEDIA_VIDEO_TRACK_ADAPTER_H_ | 5 #ifndef CONTENT_RENDERER_MEDIA_VIDEO_TRACK_ADAPTER_H_ |
| 6 #define CONTENT_RENDERER_MEDIA_VIDEO_TRACK_ADAPTER_H_ | 6 #define CONTENT_RENDERER_MEDIA_VIDEO_TRACK_ADAPTER_H_ |
| 7 | 7 |
| 8 #include <stdint.h> |
| 9 |
| 8 #include <vector> | 10 #include <vector> |
| 9 | 11 |
| 10 #include "base/macros.h" | 12 #include "base/macros.h" |
| 11 #include "base/memory/ref_counted.h" | 13 #include "base/memory/ref_counted.h" |
| 12 #include "base/time/time.h" | 14 #include "base/time/time.h" |
| 13 #include "content/renderer/media/media_stream_video_track.h" | 15 #include "content/renderer/media/media_stream_video_track.h" |
| 14 #include "media/base/video_frame.h" | 16 #include "media/base/video_frame.h" |
| 15 | 17 |
| 16 namespace content { | 18 namespace content { |
| 17 | 19 |
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| 77 void RemoveTrackOnIO(const MediaStreamVideoTrack* track); | 79 void RemoveTrackOnIO(const MediaStreamVideoTrack* track); |
| 78 | 80 |
| 79 void StartFrameMonitoringOnIO( | 81 void StartFrameMonitoringOnIO( |
| 80 const OnMutedCallback& on_muted_state_callback, | 82 const OnMutedCallback& on_muted_state_callback, |
| 81 double source_frame_rate); | 83 double source_frame_rate); |
| 82 void StopFrameMonitoringOnIO(); | 84 void StopFrameMonitoringOnIO(); |
| 83 | 85 |
| 84 // Compare |frame_counter_snapshot| with the current |frame_counter_|, and | 86 // Compare |frame_counter_snapshot| with the current |frame_counter_|, and |
| 85 // inform of the situation (muted, not muted) via |set_muted_state_callback|. | 87 // inform of the situation (muted, not muted) via |set_muted_state_callback|. |
| 86 void CheckFramesReceivedOnIO(const OnMutedCallback& set_muted_state_callback, | 88 void CheckFramesReceivedOnIO(const OnMutedCallback& set_muted_state_callback, |
| 87 uint64 old_frame_counter_snapshot); | 89 uint64_t old_frame_counter_snapshot); |
| 88 | 90 |
| 89 // |thread_checker_| is bound to the main render thread. | 91 // |thread_checker_| is bound to the main render thread. |
| 90 base::ThreadChecker thread_checker_; | 92 base::ThreadChecker thread_checker_; |
| 91 | 93 |
| 92 const scoped_refptr<base::SingleThreadTaskRunner> io_task_runner_; | 94 const scoped_refptr<base::SingleThreadTaskRunner> io_task_runner_; |
| 93 | 95 |
| 94 // |renderer_task_runner_| is used to ensure that | 96 // |renderer_task_runner_| is used to ensure that |
| 95 // VideoCaptureDeliverFrameCB is released on the main render thread. | 97 // VideoCaptureDeliverFrameCB is released on the main render thread. |
| 96 const scoped_refptr<base::SingleThreadTaskRunner> renderer_task_runner_; | 98 const scoped_refptr<base::SingleThreadTaskRunner> renderer_task_runner_; |
| 97 | 99 |
| 98 // VideoFrameResolutionAdapter is an inner class that is created on the main | 100 // VideoFrameResolutionAdapter is an inner class that is created on the main |
| 99 // render thread but operates on the IO-thread. It does the resolution | 101 // render thread but operates on the IO-thread. It does the resolution |
| 100 // adaptation and delivers frames to all registered tracks on the IO-thread. | 102 // adaptation and delivers frames to all registered tracks on the IO-thread. |
| 101 class VideoFrameResolutionAdapter; | 103 class VideoFrameResolutionAdapter; |
| 102 typedef std::vector<scoped_refptr<VideoFrameResolutionAdapter> > | 104 typedef std::vector<scoped_refptr<VideoFrameResolutionAdapter> > |
| 103 FrameAdapters; | 105 FrameAdapters; |
| 104 FrameAdapters adapters_; | 106 FrameAdapters adapters_; |
| 105 | 107 |
| 106 // Set to true if frame monitoring has been started. It is only accessed on | 108 // Set to true if frame monitoring has been started. It is only accessed on |
| 107 // the IO-thread. | 109 // the IO-thread. |
| 108 bool monitoring_frame_rate_; | 110 bool monitoring_frame_rate_; |
| 109 | 111 |
| 110 // Keeps track of it frames have been received. It is only accessed on the | 112 // Keeps track of it frames have been received. It is only accessed on the |
| 111 // IO-thread. | 113 // IO-thread. |
| 112 bool muted_state_; | 114 bool muted_state_; |
| 113 | 115 |
| 114 // Running frame counter, accessed on the IO-thread. | 116 // Running frame counter, accessed on the IO-thread. |
| 115 uint64 frame_counter_; | 117 uint64_t frame_counter_; |
| 116 | 118 |
| 117 // Frame rate configured on the video source, accessed on the IO-thread. | 119 // Frame rate configured on the video source, accessed on the IO-thread. |
| 118 float source_frame_rate_; | 120 float source_frame_rate_; |
| 119 | 121 |
| 120 DISALLOW_COPY_AND_ASSIGN(VideoTrackAdapter); | 122 DISALLOW_COPY_AND_ASSIGN(VideoTrackAdapter); |
| 121 }; | 123 }; |
| 122 | 124 |
| 123 } // namespace content | 125 } // namespace content |
| 124 | 126 |
| 125 #endif // CONTENT_RENDERER_MEDIA_VIDEO_TRACK_ADAPTER_H_ | 127 #endif // CONTENT_RENDERER_MEDIA_VIDEO_TRACK_ADAPTER_H_ |
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