OLD | NEW |
---|---|
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 <vector> | 10 #include <vector> |
11 | 11 |
12 #include "base/macros.h" | 12 #include "base/macros.h" |
13 #include "base/time/time.h" | 13 #include "base/time/time.h" |
14 #include "media/base/data_source.h" | 14 #include "media/base/data_source.h" |
15 #include "media/base/demuxer_stream.h" | 15 #include "media/base/demuxer_stream.h" |
16 #include "media/base/demuxer_stream_provider.h" | 16 #include "media/base/demuxer_stream_provider.h" |
17 #include "media/base/eme_constants.h" | 17 #include "media/base/eme_constants.h" |
18 #include "media/base/media_export.h" | 18 #include "media/base/media_export.h" |
19 #include "media/base/pipeline_status.h" | 19 #include "media/base/pipeline_status.h" |
20 #include "media/base/ranges.h" | 20 #include "media/base/ranges.h" |
21 | 21 |
22 namespace media { | 22 namespace media { |
23 | 23 |
24 class TextTrackConfig; | 24 class TextTrackConfig; |
25 class MediaTrack; | |
25 class MediaTracks; | 26 class MediaTracks; |
26 | 27 |
27 class MEDIA_EXPORT DemuxerHost { | 28 class MEDIA_EXPORT DemuxerHost { |
28 public: | 29 public: |
29 // Notify the host that buffered time ranges have changed. Note that buffered | 30 // Notify the host that buffered time ranges have changed. Note that buffered |
30 // time ranges can grow (when new media data is appended), but they can also | 31 // time ranges can grow (when new media data is appended), but they can also |
31 // shrink (when buffering reaches limit capacity and some buffered data | 32 // shrink (when buffering reaches limit capacity and some buffered data |
32 // becomes evicted, e.g. due to MSE GC algorithm, or by explicit removal of | 33 // becomes evicted, e.g. due to MSE GC algorithm, or by explicit removal of |
33 // ranges directed by MSE web app). | 34 // ranges directed by MSE web app). |
34 virtual void OnBufferedTimeRangesChanged( | 35 virtual void OnBufferedTimeRangesChanged( |
(...skipping 24 matching lines...) Expand all Loading... | |
59 class MEDIA_EXPORT Demuxer : public DemuxerStreamProvider { | 60 class MEDIA_EXPORT Demuxer : public DemuxerStreamProvider { |
60 public: | 61 public: |
61 // A new potentially encrypted stream has been parsed. | 62 // A new potentially encrypted stream has been parsed. |
62 // First parameter - The type of initialization data. | 63 // First parameter - The type of initialization data. |
63 // Second parameter - The initialization data associated with the stream. | 64 // Second parameter - The initialization data associated with the stream. |
64 typedef base::Callback<void(EmeInitDataType type, | 65 typedef base::Callback<void(EmeInitDataType type, |
65 const std::vector<uint8_t>& init_data)> | 66 const std::vector<uint8_t>& init_data)> |
66 EncryptedMediaInitDataCB; | 67 EncryptedMediaInitDataCB; |
67 | 68 |
68 // Notifies demuxer clients that media track configuration has been updated | 69 // Notifies demuxer clients that media track configuration has been updated |
69 // (e.g. the inital stream metadata has been parsed successfully, or a new | 70 // (e.g. the inital stream metadata has been parsed successfully, or a new |
wolenetz
2016/03/30 00:31:32
nit aside: s/inital/initial/
servolk
2016/03/30 01:13:12
Done.
| |
70 // init segment has been parsed successfully in MSE case). | 71 // init segment has been parsed successfully in MSE case). |
71 typedef base::Callback<void(scoped_ptr<MediaTracks>)> MediaTracksUpdatedCB; | 72 typedef base::Callback<void(scoped_ptr<MediaTracks>)> MediaTracksUpdatedCB; |
72 | 73 |
73 Demuxer(); | 74 Demuxer(); |
74 ~Demuxer() override; | 75 ~Demuxer() override; |
75 | 76 |
76 // Returns the name of the demuxer for logging purpose. | 77 // Returns the name of the demuxer for logging purpose. |
77 virtual std::string GetDisplayName() const = 0; | 78 virtual std::string GetDisplayName() const = 0; |
78 | 79 |
79 // Completes initialization of the demuxer. | 80 // Completes initialization of the demuxer. |
(...skipping 46 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... | |
126 virtual base::TimeDelta GetStartTime() const = 0; | 127 virtual base::TimeDelta GetStartTime() const = 0; |
127 | 128 |
128 // Returns Time represented by presentation timestamp 0. | 129 // Returns Time represented by presentation timestamp 0. |
129 // If the timstamps are not associated with a Time, then | 130 // If the timstamps are not associated with a Time, then |
130 // a null Time is returned. | 131 // a null Time is returned. |
131 virtual base::Time GetTimelineOffset() const = 0; | 132 virtual base::Time GetTimelineOffset() const = 0; |
132 | 133 |
133 // Returns the memory usage in bytes for the demuxer. | 134 // Returns the memory usage in bytes for the demuxer. |
134 virtual int64_t GetMemoryUsage() const = 0; | 135 virtual int64_t GetMemoryUsage() const = 0; |
135 | 136 |
137 // Notifies the demuxer that a track id has been assigned to a media track. | |
wolenetz
2016/03/30 00:31:32
nit: is this a blink track id? Clarify in comment
| |
138 // If |track| is null the association for this |track_id| is removed. | |
139 virtual void OnTrackIdAssigned(unsigned track_id, | |
wolenetz
2016/03/30 00:31:32
Question: would these be better in DemuxerHost?
servolk
2016/03/30 01:13:12
Why in DemuxerHost? I was thinking about moving th
| |
140 const MediaTrack* track) = 0; | |
141 | |
142 // Finds a DemuxerStream corresponding to the given blink |track_id|. Note | |
143 // that the input track id is blink track id and not bytestream track id. | |
144 virtual const DemuxerStream* GetDemuxerStreamByTrackId( | |
145 unsigned track_id) const = 0; | |
146 | |
136 private: | 147 private: |
137 DISALLOW_COPY_AND_ASSIGN(Demuxer); | 148 DISALLOW_COPY_AND_ASSIGN(Demuxer); |
138 }; | 149 }; |
139 | 150 |
140 } // namespace media | 151 } // namespace media |
141 | 152 |
142 #endif // MEDIA_BASE_DEMUXER_H_ | 153 #endif // MEDIA_BASE_DEMUXER_H_ |
OLD | NEW |