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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_FILTERS_CHUNK_DEMUXER_H_ | 5 #ifndef MEDIA_FILTERS_CHUNK_DEMUXER_H_ |
6 #define MEDIA_FILTERS_CHUNK_DEMUXER_H_ | 6 #define MEDIA_FILTERS_CHUNK_DEMUXER_H_ |
7 | 7 |
8 #include <map> | 8 #include <map> |
9 #include <string> | 9 #include <string> |
10 #include <utility> | 10 #include <utility> |
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38 int init_data_size)> NeedKeyCB; | 38 int init_data_size)> NeedKeyCB; |
39 | 39 |
40 // |open_cb| Run when Initialize() is called to signal that the demuxer | 40 // |open_cb| Run when Initialize() is called to signal that the demuxer |
41 // is ready to receive media data via AppenData(). | 41 // is ready to receive media data via AppenData(). |
42 // |need_key_cb| Run when the demuxer determines that an encryption key is | 42 // |need_key_cb| Run when the demuxer determines that an encryption key is |
43 // needed to decrypt the content. | 43 // needed to decrypt the content. |
44 // |log_cb| Run when parsing error messages need to be logged to the error | 44 // |log_cb| Run when parsing error messages need to be logged to the error |
45 // console. | 45 // console. |
46 ChunkDemuxer(const base::Closure& open_cb, const NeedKeyCB& need_key_cb, | 46 ChunkDemuxer(const base::Closure& open_cb, const NeedKeyCB& need_key_cb, |
47 const LogCB& log_cb); | 47 const LogCB& log_cb); |
| 48 virtual ~ChunkDemuxer(); |
48 | 49 |
49 // Demuxer implementation. | 50 // Demuxer implementation. |
50 virtual void Initialize(DemuxerHost* host, | 51 virtual void Initialize(DemuxerHost* host, |
51 const PipelineStatusCB& cb) OVERRIDE; | 52 const PipelineStatusCB& cb) OVERRIDE; |
52 virtual void Stop(const base::Closure& callback) OVERRIDE; | 53 virtual void Stop(const base::Closure& callback) OVERRIDE; |
53 virtual void Seek(base::TimeDelta time, const PipelineStatusCB& cb) OVERRIDE; | 54 virtual void Seek(base::TimeDelta time, const PipelineStatusCB& cb) OVERRIDE; |
54 virtual void OnAudioRendererDisabled() OVERRIDE; | 55 virtual void OnAudioRendererDisabled() OVERRIDE; |
55 virtual scoped_refptr<DemuxerStream> GetStream( | 56 virtual scoped_refptr<DemuxerStream> GetStream( |
56 DemuxerStream::Type type) OVERRIDE; | 57 DemuxerStream::Type type) OVERRIDE; |
57 virtual base::TimeDelta GetStartTime() const OVERRIDE; | 58 virtual base::TimeDelta GetStartTime() const OVERRIDE; |
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97 // properly, false if the offset cannot be applied because we're in the | 98 // properly, false if the offset cannot be applied because we're in the |
98 // middle of parsing a media segment. | 99 // middle of parsing a media segment. |
99 bool SetTimestampOffset(const std::string& id, base::TimeDelta offset); | 100 bool SetTimestampOffset(const std::string& id, base::TimeDelta offset); |
100 | 101 |
101 // Signals an EndOfStream request. | 102 // Signals an EndOfStream request. |
102 // Returns false if called in an unexpected state or if there is a gap between | 103 // Returns false if called in an unexpected state or if there is a gap between |
103 // the current position and the end of the buffered data. | 104 // the current position and the end of the buffered data. |
104 bool EndOfStream(PipelineStatus status); | 105 bool EndOfStream(PipelineStatus status); |
105 void Shutdown(); | 106 void Shutdown(); |
106 | 107 |
107 protected: | |
108 virtual ~ChunkDemuxer(); | |
109 | |
110 private: | 108 private: |
111 enum State { | 109 enum State { |
112 WAITING_FOR_INIT, | 110 WAITING_FOR_INIT, |
113 INITIALIZING, | 111 INITIALIZING, |
114 INITIALIZED, | 112 INITIALIZED, |
115 ENDED, | 113 ENDED, |
116 PARSE_ERROR, | 114 PARSE_ERROR, |
117 SHUTDOWN, | 115 SHUTDOWN, |
118 }; | 116 }; |
119 | 117 |
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205 // removed with RemoveID() but can not be re-added (yet). | 203 // removed with RemoveID() but can not be re-added (yet). |
206 std::string source_id_audio_; | 204 std::string source_id_audio_; |
207 std::string source_id_video_; | 205 std::string source_id_video_; |
208 | 206 |
209 DISALLOW_COPY_AND_ASSIGN(ChunkDemuxer); | 207 DISALLOW_COPY_AND_ASSIGN(ChunkDemuxer); |
210 }; | 208 }; |
211 | 209 |
212 } // namespace media | 210 } // namespace media |
213 | 211 |
214 #endif // MEDIA_FILTERS_CHUNK_DEMUXER_H_ | 212 #endif // MEDIA_FILTERS_CHUNK_DEMUXER_H_ |
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