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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_BLINK_VIDEO_FRAME_COMPOSITOR_H_ | 5 #ifndef MEDIA_BLINK_VIDEO_FRAME_COMPOSITOR_H_ |
6 #define MEDIA_BLINK_VIDEO_FRAME_COMPOSITOR_H_ | 6 #define MEDIA_BLINK_VIDEO_FRAME_COMPOSITOR_H_ |
7 | 7 |
8 #include <utility> | 8 #include <utility> |
9 | 9 |
10 #include "base/callback.h" | 10 #include "base/callback.h" |
11 #include "base/macros.h" | 11 #include "base/macros.h" |
12 #include "base/memory/ref_counted.h" | 12 #include "base/memory/ref_counted.h" |
13 #include "base/single_thread_task_runner.h" | 13 #include "base/single_thread_task_runner.h" |
14 #include "base/synchronization/lock.h" | 14 #include "base/synchronization/lock.h" |
15 #include "base/time/tick_clock.h" | 15 #include "base/time/tick_clock.h" |
16 #include "base/timer/timer.h" | 16 #include "base/timer/timer.h" |
| 17 #include "base/trace_event/persistent_async_event.h" |
17 #include "cc/layers/video_frame_provider.h" | 18 #include "cc/layers/video_frame_provider.h" |
18 #include "media/base/video_renderer_sink.h" | 19 #include "media/base/video_renderer_sink.h" |
19 #include "media/blink/media_blink_export.h" | 20 #include "media/blink/media_blink_export.h" |
20 #include "ui/gfx/geometry/size.h" | 21 #include "ui/gfx/geometry/size.h" |
21 | 22 |
22 namespace media { | 23 namespace media { |
23 class VideoFrame; | 24 class VideoFrame; |
24 | 25 |
25 // VideoFrameCompositor acts as a bridge between the media and cc layers for | 26 // VideoFrameCompositor acts as a bridge between the media and cc layers for |
26 // rendering video frames. I.e. a media::VideoRenderer will talk to this class | 27 // rendering video frames. I.e. a media::VideoRenderer will talk to this class |
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153 base::TimeTicks last_background_render_; | 154 base::TimeTicks last_background_render_; |
154 | 155 |
155 // These values are set on the compositor thread, but also read on the media | 156 // These values are set on the compositor thread, but also read on the media |
156 // thread when the VFC is stopped. | 157 // thread when the VFC is stopped. |
157 scoped_refptr<VideoFrame> current_frame_; | 158 scoped_refptr<VideoFrame> current_frame_; |
158 | 159 |
159 // These values are updated and read from the media and compositor threads. | 160 // These values are updated and read from the media and compositor threads. |
160 base::Lock callback_lock_; | 161 base::Lock callback_lock_; |
161 VideoRendererSink::RenderCallback* callback_; | 162 VideoRendererSink::RenderCallback* callback_; |
162 | 163 |
| 164 std::unique_ptr<base::trace_event::PersistentAsyncEvent> persistent_async_; |
| 165 |
163 DISALLOW_COPY_AND_ASSIGN(VideoFrameCompositor); | 166 DISALLOW_COPY_AND_ASSIGN(VideoFrameCompositor); |
164 }; | 167 }; |
165 | 168 |
166 } // namespace media | 169 } // namespace media |
167 | 170 |
168 #endif // MEDIA_BLINK_VIDEO_FRAME_COMPOSITOR_H_ | 171 #endif // MEDIA_BLINK_VIDEO_FRAME_COMPOSITOR_H_ |
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