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

Issue 2379653004: Rename MediaSourceState -> SourceBufferState (Closed)
Patch Set: nits Created 4 years, 2 months ago
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1 // Copyright 2016 The Chromium Authors. All rights reserved. 1 // Copyright 2016 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_MEDIA_TRACK_H_ 5 #ifndef MEDIA_BASE_MEDIA_TRACK_H_
6 #define MEDIA_BASE_MEDIA_TRACK_H_ 6 #define MEDIA_BASE_MEDIA_TRACK_H_
7 7
8 #include <string> 8 #include <string>
9 9
10 #include "media/base/media_export.h" 10 #include "media/base/media_export.h"
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39 id_ = id; 39 id_ = id;
40 } 40 }
41 41
42 private: 42 private:
43 Type type_; 43 Type type_;
44 44
45 // |bytestream_track_id_| is read from the bytestream and is guaranteed to be 45 // |bytestream_track_id_| is read from the bytestream and is guaranteed to be
46 // unique only within the scope of single bytestream's initialization segment. 46 // unique only within the scope of single bytestream's initialization segment.
47 // But we might have multiple bytestreams (MediaSource might have multiple 47 // But we might have multiple bytestreams (MediaSource might have multiple
48 // SourceBuffers attached to it, which translates into ChunkDemuxer having 48 // SourceBuffers attached to it, which translates into ChunkDemuxer having
49 // multiple MediaSourceStates and multiple bytestreams) or subsequent init 49 // multiple SourceBufferStates and multiple bytestreams) or subsequent init
50 // segments may redefine the bytestream ids. Thus bytestream track ids are not 50 // segments may redefine the bytestream ids. Thus bytestream track ids are not
51 // guaranteed to be unique at the Demuxer and HTMLMediaElement level. So we 51 // guaranteed to be unique at the Demuxer and HTMLMediaElement level. So we
52 // generate truly unique media track |id_| on the Demuxer level. 52 // generate truly unique media track |id_| on the Demuxer level.
53 StreamParser::TrackId bytestream_track_id_; 53 StreamParser::TrackId bytestream_track_id_;
54 Id id_; 54 Id id_;
55 55
56 // These properties are read from input streams by stream parsers as specified 56 // These properties are read from input streams by stream parsers as specified
57 // in https://dev.w3.org/html5/html-sourcing-inband-tracks/. 57 // in https://dev.w3.org/html5/html-sourcing-inband-tracks/.
58 std::string kind_; 58 std::string kind_;
59 std::string label_; 59 std::string label_;
60 std::string language_; 60 std::string language_;
61 }; 61 };
62 62
63 // Helper for logging. 63 // Helper for logging.
64 MEDIA_EXPORT const char* TrackTypeToStr(MediaTrack::Type type); 64 MEDIA_EXPORT const char* TrackTypeToStr(MediaTrack::Type type);
65 65
66 } // namespace media 66 } // namespace media
67 67
68 #endif // MEDIA_BASE_MEDIA_TRACK_H_ 68 #endif // MEDIA_BASE_MEDIA_TRACK_H_
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