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1 // Copyright (c) 2011 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2011 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_STREAM_H_ | 5 #ifndef MEDIA_BASE_DEMUXER_STREAM_H_ |
6 #define MEDIA_BASE_DEMUXER_STREAM_H_ | 6 #define MEDIA_BASE_DEMUXER_STREAM_H_ |
7 | 7 |
8 #include "base/callback.h" | 8 #include "base/callback.h" |
9 #include "base/memory/ref_counted.h" | 9 #include "base/memory/ref_counted.h" |
10 #include "media/base/media_export.h" | 10 #include "media/base/media_export.h" |
11 | 11 |
12 struct AVStream; | 12 struct AVStream; |
13 | 13 |
14 namespace media { | 14 namespace media { |
15 | 15 |
16 class AudioDecoderConfig; | 16 class AudioDecoderConfig; |
17 class Buffer; | 17 class Buffer; |
| 18 class VideoDecoderConfig; |
18 | 19 |
19 class MEDIA_EXPORT DemuxerStream | 20 class MEDIA_EXPORT DemuxerStream |
20 : public base::RefCountedThreadSafe<DemuxerStream> { | 21 : public base::RefCountedThreadSafe<DemuxerStream> { |
21 public: | 22 public: |
22 typedef base::Callback<void(Buffer*)> ReadCallback; | 23 typedef base::Callback<void(Buffer*)> ReadCallback; |
23 | 24 |
24 enum Type { | 25 enum Type { |
25 UNKNOWN, | 26 UNKNOWN, |
26 AUDIO, | 27 AUDIO, |
27 VIDEO, | 28 VIDEO, |
28 NUM_TYPES, // Always keep this entry as the last one! | 29 NUM_TYPES, // Always keep this entry as the last one! |
29 }; | 30 }; |
30 | 31 |
31 // Schedules a read. When the |read_callback| is called, the downstream | 32 // Schedules a read. When the |read_callback| is called, the downstream |
32 // object takes ownership of the buffer by AddRef()'ing the buffer. | 33 // object takes ownership of the buffer by AddRef()'ing the buffer. |
33 virtual void Read(const ReadCallback& read_callback) = 0; | 34 virtual void Read(const ReadCallback& read_callback) = 0; |
34 | 35 |
35 // Returns an |AVStream*| if supported, or NULL. | |
36 virtual AVStream* GetAVStream(); | |
37 | |
38 // Returns the audio decoder configuration. It is an error to call this method | 36 // Returns the audio decoder configuration. It is an error to call this method |
39 // if type() != AUDIO. | 37 // if type() != AUDIO. |
40 virtual const AudioDecoderConfig& audio_decoder_config() = 0; | 38 virtual const AudioDecoderConfig& audio_decoder_config() = 0; |
41 | 39 |
| 40 // Returns the video decoder configuration. It is an error to call this method |
| 41 // if type() != VIDEO. |
| 42 virtual const VideoDecoderConfig& video_decoder_config() = 0; |
| 43 |
42 // Returns the type of stream. | 44 // Returns the type of stream. |
43 virtual Type type() = 0; | 45 virtual Type type() = 0; |
44 | 46 |
45 virtual void EnableBitstreamConverter() = 0; | 47 virtual void EnableBitstreamConverter() = 0; |
46 | 48 |
47 protected: | 49 protected: |
48 friend class base::RefCountedThreadSafe<DemuxerStream>; | 50 friend class base::RefCountedThreadSafe<DemuxerStream>; |
49 virtual ~DemuxerStream(); | 51 virtual ~DemuxerStream(); |
50 }; | 52 }; |
51 | 53 |
52 } // namespace media | 54 } // namespace media |
53 | 55 |
54 #endif // MEDIA_BASE_DEMUXER_STREAM_H_ | 56 #endif // MEDIA_BASE_DEMUXER_STREAM_H_ |
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