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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_FILTERS_RENDERER_IMPL_H_ | 5 #ifndef MEDIA_FILTERS_RENDERER_IMPL_H_ |
6 #define MEDIA_FILTERS_RENDERER_IMPL_H_ | 6 #define MEDIA_FILTERS_RENDERER_IMPL_H_ |
7 | 7 |
8 #include "base/memory/ref_counted.h" | 8 #include "base/memory/ref_counted.h" |
9 #include "base/memory/scoped_ptr.h" | 9 #include "base/memory/scoped_ptr.h" |
10 #include "base/memory/weak_ptr.h" | 10 #include "base/memory/weak_ptr.h" |
11 #include "base/synchronization/lock.h" | 11 #include "base/synchronization/lock.h" |
12 #include "base/time/clock.h" | 12 #include "base/time/clock.h" |
13 #include "base/time/default_tick_clock.h" | 13 #include "base/time/default_tick_clock.h" |
14 #include "base/time/time.h" | 14 #include "base/time/time.h" |
15 #include "media/base/buffering_state.h" | 15 #include "media/base/buffering_state.h" |
16 #include "media/base/media_export.h" | 16 #include "media/base/media_export.h" |
17 #include "media/base/pipeline_status.h" | 17 #include "media/base/pipeline_status.h" |
18 #include "media/base/renderer.h" | 18 #include "media/base/renderer.h" |
19 | 19 |
20 namespace base { | 20 namespace base { |
21 class SingleThreadTaskRunner; | 21 class SingleThreadTaskRunner; |
22 } | 22 } |
23 | 23 |
24 namespace media { | 24 namespace media { |
25 | 25 |
26 class AudioRenderer; | 26 class AudioRenderer; |
27 class Demuxer; | 27 class DemuxerStreamProvider; |
28 class TimeSource; | 28 class TimeSource; |
29 class VideoRenderer; | 29 class VideoRenderer; |
30 class WallClockTimeSource; | 30 class WallClockTimeSource; |
31 | 31 |
32 class MEDIA_EXPORT RendererImpl : public Renderer { | 32 class MEDIA_EXPORT RendererImpl : public Renderer { |
33 public: | 33 public: |
34 // Renders audio/video streams in |demuxer| using |audio_renderer| and | 34 // Renders audio/video streams in |demuxer_stream_provider| using |
35 // |video_renderer| provided. All methods except for GetMediaTime() run on the | 35 // |audio_renderer| and |video_renderer| provided. All methods except for |
36 // |task_runner|. GetMediaTime() runs on the render main thread because it's | 36 // GetMediaTime() run on the |task_runner|. GetMediaTime() runs on the render |
37 // part of JS sync API. | 37 // main thread because it's part of JS sync API. |
38 RendererImpl(const scoped_refptr<base::SingleThreadTaskRunner>& task_runner, | 38 RendererImpl(const scoped_refptr<base::SingleThreadTaskRunner>& task_runner, |
39 Demuxer* demuxer, | 39 DemuxerStreamProvider* demuxer_stream_provider, |
40 scoped_ptr<AudioRenderer> audio_renderer, | 40 scoped_ptr<AudioRenderer> audio_renderer, |
41 scoped_ptr<VideoRenderer> video_renderer); | 41 scoped_ptr<VideoRenderer> video_renderer); |
42 | 42 |
43 virtual ~RendererImpl(); | 43 virtual ~RendererImpl(); |
44 | 44 |
45 // Renderer implementation. | 45 // Renderer implementation. |
46 virtual void Initialize(const base::Closure& init_cb, | 46 virtual void Initialize(const base::Closure& init_cb, |
47 const StatisticsCB& statistics_cb, | 47 const StatisticsCB& statistics_cb, |
48 const base::Closure& ended_cb, | 48 const base::Closure& ended_cb, |
49 const PipelineStatusCB& error_cb, | 49 const PipelineStatusCB& error_cb, |
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111 // Callback executed when a runtime error happens. | 111 // Callback executed when a runtime error happens. |
112 void OnError(PipelineStatus error); | 112 void OnError(PipelineStatus error); |
113 | 113 |
114 void FireAllPendingCallbacks(); | 114 void FireAllPendingCallbacks(); |
115 | 115 |
116 State state_; | 116 State state_; |
117 | 117 |
118 // Task runner used to execute pipeline tasks. | 118 // Task runner used to execute pipeline tasks. |
119 scoped_refptr<base::SingleThreadTaskRunner> task_runner_; | 119 scoped_refptr<base::SingleThreadTaskRunner> task_runner_; |
120 | 120 |
121 Demuxer* demuxer_; | 121 DemuxerStreamProvider* demuxer_stream_provider_; |
122 | 122 |
123 // Permanent callbacks to notify various renderer states/stats. | 123 // Permanent callbacks to notify various renderer states/stats. |
124 StatisticsCB statistics_cb_; | 124 StatisticsCB statistics_cb_; |
125 base::Closure ended_cb_; | 125 base::Closure ended_cb_; |
126 PipelineStatusCB error_cb_; | 126 PipelineStatusCB error_cb_; |
127 BufferingStateCB buffering_state_cb_; | 127 BufferingStateCB buffering_state_cb_; |
128 | 128 |
129 // Temporary callback used for Initialize() and Flush(). | 129 // Temporary callback used for Initialize() and Flush(). |
130 base::Closure init_cb_; | 130 base::Closure init_cb_; |
131 base::Closure flush_cb_; | 131 base::Closure flush_cb_; |
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154 // NOTE: Weak pointers must be invalidated before all other member variables. | 154 // NOTE: Weak pointers must be invalidated before all other member variables. |
155 base::WeakPtrFactory<RendererImpl> weak_factory_; | 155 base::WeakPtrFactory<RendererImpl> weak_factory_; |
156 base::WeakPtr<RendererImpl> weak_this_; | 156 base::WeakPtr<RendererImpl> weak_this_; |
157 | 157 |
158 DISALLOW_COPY_AND_ASSIGN(RendererImpl); | 158 DISALLOW_COPY_AND_ASSIGN(RendererImpl); |
159 }; | 159 }; |
160 | 160 |
161 } // namespace media | 161 } // namespace media |
162 | 162 |
163 #endif // MEDIA_FILTERS_RENDERER_IMPL_H_ | 163 #endif // MEDIA_FILTERS_RENDERER_IMPL_H_ |
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