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| 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 |
| 3 // found in the LICENSE file. |
| 4 |
| 5 #ifndef MEDIA_BASE_MEDIA_TRACKS_H_ |
| 6 #define MEDIA_BASE_MEDIA_TRACKS_H_ |
| 7 |
| 8 #include <map> |
| 9 #include <string> |
| 10 #include <vector> |
| 11 |
| 12 #include "base/macros.h" |
| 13 #include "base/memory/scoped_ptr.h" |
| 14 #include "media/base/media_export.h" |
| 15 #include "media/base/media_track.h" |
| 16 |
| 17 namespace media { |
| 18 |
| 19 class AudioDecoderConfig; |
| 20 class VideoDecoderConfig; |
| 21 |
| 22 class MEDIA_EXPORT MediaTracks { |
| 23 public: |
| 24 typedef std::vector<scoped_ptr<MediaTrack>> MediaTracksCollection; |
| 25 |
| 26 MediaTracks(); |
| 27 ~MediaTracks(); |
| 28 |
| 29 // Callers need to ensure that track id is unique. |
| 30 void AddAudioTrack(const AudioDecoderConfig& config, |
| 31 const std::string& id, |
| 32 const std::string& kind, |
| 33 const std::string& label, |
| 34 const std::string& language); |
| 35 // Callers need to ensure that track id is unique. |
| 36 void AddVideoTrack(const VideoDecoderConfig& config, |
| 37 const std::string& id, |
| 38 const std::string& kind, |
| 39 const std::string& label, |
| 40 const std::string& language); |
| 41 |
| 42 const MediaTracksCollection& tracks() const { return tracks_; } |
| 43 |
| 44 const AudioDecoderConfig& getAudioConfig(const std::string& id) const; |
| 45 const VideoDecoderConfig& getVideoConfig(const std::string& id) const; |
| 46 |
| 47 // TODO(servolk): These are temporary helpers useful until all code paths are |
| 48 // converted to properly handle multiple media tracks. |
| 49 const AudioDecoderConfig& getFirstAudioConfig() const; |
| 50 const VideoDecoderConfig& getFirstVideoConfig() const; |
| 51 |
| 52 private: |
| 53 MediaTracksCollection tracks_; |
| 54 std::map<std::string, AudioDecoderConfig> audio_configs_; |
| 55 std::map<std::string, VideoDecoderConfig> video_configs_; |
| 56 |
| 57 DISALLOW_COPY_AND_ASSIGN(MediaTracks); |
| 58 }; |
| 59 |
| 60 } // namespace media |
| 61 |
| 62 #endif // MEDIA_BASE_MEDIA_TRACKS_H_ |
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