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Side by Side Diff: media/base/stream_parser.h

Issue 10803019: Chrome-side implementation of media source timestamp offset (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src
Patch Set: Move logic from parser to demuxer Created 8 years, 5 months ago
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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_STREAM_PARSER_H_ 5 #ifndef MEDIA_BASE_STREAM_PARSER_H_
6 #define MEDIA_BASE_STREAM_PARSER_H_ 6 #define MEDIA_BASE_STREAM_PARSER_H_
7 7
8 #include <deque> 8 #include <deque>
9 9
10 #include "base/callback_forward.h" 10 #include "base/callback_forward.h"
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67 67
68 // Initialize the parser with necessary callbacks. Must be called before any 68 // Initialize the parser with necessary callbacks. Must be called before any
69 // data is passed to Parse(). |init_cb| will be called once enough data has 69 // data is passed to Parse(). |init_cb| will be called once enough data has
70 // been parsed to determine the initial stream configurations, presentation 70 // been parsed to determine the initial stream configurations, presentation
71 // start time, and duration. 71 // start time, and duration.
72 virtual void Init(const InitCB& init_cb, 72 virtual void Init(const InitCB& init_cb,
73 const NewConfigCB& config_cb, 73 const NewConfigCB& config_cb,
74 const NewBuffersCB& audio_cb, 74 const NewBuffersCB& audio_cb,
75 const NewBuffersCB& video_cb, 75 const NewBuffersCB& video_cb,
76 const NeedKeyCB& need_key_cb, 76 const NeedKeyCB& need_key_cb,
77 const NewMediaSegmentCB& new_segment_cb) = 0; 77 const NewMediaSegmentCB& new_segment_cb,
78 const base::Closure& end_of_segment_cb) = 0;
78 79
79 // Called when a seek occurs. This flushes the current parser state 80 // Called when a seek occurs. This flushes the current parser state
80 // and puts the parser in a state where it can receive data for the new seek 81 // and puts the parser in a state where it can receive data for the new seek
81 // point. 82 // point.
82 virtual void Flush() = 0; 83 virtual void Flush() = 0;
83 84
84 // Called when there is new data to parse. 85 // Called when there is new data to parse.
85 // 86 //
86 // Returns true if the parse succeeds. 87 // Returns true if the parse succeeds.
87 virtual bool Parse(const uint8* buf, int size) = 0; 88 virtual bool Parse(const uint8* buf, int size) = 0;
88 89
89 private: 90 private:
90 DISALLOW_COPY_AND_ASSIGN(StreamParser); 91 DISALLOW_COPY_AND_ASSIGN(StreamParser);
91 }; 92 };
92 93
93 } // namespace media 94 } // namespace media
94 95
95 #endif // MEDIA_BASE_STREAM_PARSER_H_ 96 #endif // MEDIA_BASE_STREAM_PARSER_H_
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