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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_DEMUXER_H_ | 5 #ifndef MEDIA_BASE_DEMUXER_H_ |
6 #define MEDIA_BASE_DEMUXER_H_ | 6 #define MEDIA_BASE_DEMUXER_H_ |
7 | 7 |
8 #include <stdint.h> | 8 #include <stdint.h> |
9 | 9 |
10 #include <memory> | 10 #include <memory> |
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81 | 81 |
82 // Completes initialization of the demuxer. | 82 // Completes initialization of the demuxer. |
83 // | 83 // |
84 // The demuxer does not own |host| as it is guaranteed to outlive the | 84 // The demuxer does not own |host| as it is guaranteed to outlive the |
85 // lifetime of the demuxer. Don't delete it! |status_cb| must only be run | 85 // lifetime of the demuxer. Don't delete it! |status_cb| must only be run |
86 // after this method has returned. | 86 // after this method has returned. |
87 virtual void Initialize(DemuxerHost* host, | 87 virtual void Initialize(DemuxerHost* host, |
88 const PipelineStatusCB& status_cb, | 88 const PipelineStatusCB& status_cb, |
89 bool enable_text_tracks) = 0; | 89 bool enable_text_tracks) = 0; |
90 | 90 |
| 91 // Aborts any pending read operations that the demuxer is involved with; any |
| 92 // read aborted will be aborted with a status of kAborted. |
| 93 virtual void AbortPendingReads() = 0; |
| 94 |
91 // Indicates that a new Seek() call is on its way. Implementations may abort | 95 // Indicates that a new Seek() call is on its way. Implementations may abort |
92 // pending reads and future Read() calls may return kAborted until Seek() is | 96 // pending reads and future Read() calls may return kAborted until Seek() is |
93 // executed. |seek_time| is the presentation timestamp of the new Seek() call. | 97 // executed. |seek_time| is the presentation timestamp of the new Seek() call. |
94 // | 98 // |
95 // In actual use, this call occurs on the main thread while Seek() is called | 99 // In actual use, this call occurs on the main thread while Seek() is called |
96 // on the media thread. StartWaitingForSeek() can be used to synchronize the | 100 // on the media thread. StartWaitingForSeek() can be used to synchronize the |
97 // two. | 101 // two. |
98 // | 102 // |
99 // StartWaitingForSeek() MUST be called before Seek(). | 103 // StartWaitingForSeek() MUST be called before Seek(). |
100 virtual void StartWaitingForSeek(base::TimeDelta seek_time) = 0; | 104 virtual void StartWaitingForSeek(base::TimeDelta seek_time) = 0; |
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145 const std::vector<MediaTrack::Id>& track_ids, | 149 const std::vector<MediaTrack::Id>& track_ids, |
146 base::TimeDelta currTime) = 0; | 150 base::TimeDelta currTime) = 0; |
147 | 151 |
148 private: | 152 private: |
149 DISALLOW_COPY_AND_ASSIGN(Demuxer); | 153 DISALLOW_COPY_AND_ASSIGN(Demuxer); |
150 }; | 154 }; |
151 | 155 |
152 } // namespace media | 156 } // namespace media |
153 | 157 |
154 #endif // MEDIA_BASE_DEMUXER_H_ | 158 #endif // MEDIA_BASE_DEMUXER_H_ |
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