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1 // Copyright 2014 The Chromium Authors. All rights reserved. | 1 // Copyright 2014 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_PROVIDER_H_ | 5 #ifndef MEDIA_BASE_DEMUXER_STREAM_PROVIDER_H_ |
6 #define MEDIA_BASE_DEMUXER_STREAM_PROVIDER_H_ | 6 #define MEDIA_BASE_DEMUXER_STREAM_PROVIDER_H_ |
7 | 7 |
8 #include "media/base/demuxer_stream.h" | 8 #include "media/base/demuxer_stream.h" |
9 #include "media/base/media_export.h" | 9 #include "media/base/media_export.h" |
10 | 10 |
11 namespace media { | 11 namespace media { |
12 | 12 |
13 class MEDIA_EXPORT DemuxerStreamProvider { | 13 class MEDIA_EXPORT DemuxerStreamProvider { |
14 public: | 14 public: |
15 enum Liveness { | |
16 LIVENESS_UNKNOWN, | |
17 LIVENESS_RECORDED, | |
18 LIVENESS_LIVE, | |
19 }; | |
20 | |
21 DemuxerStreamProvider(); | 15 DemuxerStreamProvider(); |
22 virtual ~DemuxerStreamProvider(); | 16 virtual ~DemuxerStreamProvider(); |
23 | 17 |
24 // Returns the first stream of the given stream type (which is not allowed | 18 // Returns the first stream of the given stream type (which is not allowed |
25 // to be DemuxerStream::TEXT), or NULL if that type of stream is not present. | 19 // to be DemuxerStream::TEXT), or NULL if that type of stream is not present. |
26 virtual DemuxerStream* GetStream(DemuxerStream::Type type) = 0; | 20 virtual DemuxerStream* GetStream(DemuxerStream::Type type) = 0; |
27 | 21 |
28 // Returns liveness of the streams provided, i.e. whether recorded or live. | |
29 virtual Liveness GetLiveness() const = 0; | |
30 | |
31 private: | 22 private: |
32 DISALLOW_COPY_AND_ASSIGN(DemuxerStreamProvider); | 23 DISALLOW_COPY_AND_ASSIGN(DemuxerStreamProvider); |
33 }; | 24 }; |
34 | 25 |
35 } // namespace media | 26 } // namespace media |
36 | 27 |
37 #endif // MEDIA_BASE_DEMUXER_STREAM_PROVIDER_H_ | 28 #endif // MEDIA_BASE_DEMUXER_STREAM_PROVIDER_H_ |
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