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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2012 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_BASE_VIDEO_RENDERER_H_ | 5 #ifndef MEDIA_BASE_VIDEO_RENDERER_H_ |
6 #define MEDIA_BASE_VIDEO_RENDERER_H_ | 6 #define MEDIA_BASE_VIDEO_RENDERER_H_ |
7 | 7 |
8 #include "base/callback.h" | 8 #include "base/callback.h" |
9 #include "base/memory/ref_counted.h" | 9 #include "base/memory/ref_counted.h" |
10 #include "base/time.h" | 10 #include "base/time.h" |
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46 // |size_changed_cb| is executed whenever the dimensions of the video has | 46 // |size_changed_cb| is executed whenever the dimensions of the video has |
47 // changed. | 47 // changed. |
48 // | 48 // |
49 // |ended_cb| is executed when video rendering has reached the end of stream. | 49 // |ended_cb| is executed when video rendering has reached the end of stream. |
50 // | 50 // |
51 // |error_cb| is executed if an error was encountered. | 51 // |error_cb| is executed if an error was encountered. |
52 // | 52 // |
53 // |get_time_cb| is used to query the current media playback time. | 53 // |get_time_cb| is used to query the current media playback time. |
54 // | 54 // |
55 // |get_duration_cb| is used to query the media duration. | 55 // |get_duration_cb| is used to query the media duration. |
56 virtual void Initialize(const scoped_refptr<DemuxerStream>& stream, | 56 virtual void Initialize(DemuxerStream* stream, |
57 const PipelineStatusCB& init_cb, | 57 const PipelineStatusCB& init_cb, |
58 const StatisticsCB& statistics_cb, | 58 const StatisticsCB& statistics_cb, |
59 const TimeCB& time_cb, | 59 const TimeCB& time_cb, |
60 const NaturalSizeChangedCB& size_changed_cb, | 60 const NaturalSizeChangedCB& size_changed_cb, |
61 const base::Closure& ended_cb, | 61 const base::Closure& ended_cb, |
62 const PipelineStatusCB& error_cb, | 62 const PipelineStatusCB& error_cb, |
63 const TimeDeltaCB& get_time_cb, | 63 const TimeDeltaCB& get_time_cb, |
64 const TimeDeltaCB& get_duration_cb) = 0; | 64 const TimeDeltaCB& get_duration_cb) = 0; |
65 | 65 |
66 // Start audio decoding and rendering at the current playback rate, executing | 66 // Start audio decoding and rendering at the current playback rate, executing |
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88 // Updates the current playback rate. | 88 // Updates the current playback rate. |
89 virtual void SetPlaybackRate(float playback_rate) = 0; | 89 virtual void SetPlaybackRate(float playback_rate) = 0; |
90 | 90 |
91 private: | 91 private: |
92 DISALLOW_COPY_AND_ASSIGN(VideoRenderer); | 92 DISALLOW_COPY_AND_ASSIGN(VideoRenderer); |
93 }; | 93 }; |
94 | 94 |
95 } // namespace media | 95 } // namespace media |
96 | 96 |
97 #endif // MEDIA_BASE_VIDEO_RENDERER_H_ | 97 #endif // MEDIA_BASE_VIDEO_RENDERER_H_ |
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