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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 #include "media/base/media_tracks.h" |
| 6 |
| 7 #include "base/bind.h" |
| 8 #include "media/base/audio_decoder_config.h" |
| 9 #include "media/base/video_decoder_config.h" |
| 10 |
| 11 namespace media { |
| 12 |
| 13 MediaTracks::MediaTracks() {} |
| 14 |
| 15 MediaTracks::~MediaTracks() {} |
| 16 |
| 17 void MediaTracks::AddAudioTrack(const AudioDecoderConfig& config, |
| 18 const std::string& id, |
| 19 const std::string& kind, |
| 20 const std::string& label, |
| 21 const std::string& language) { |
| 22 DCHECK(config.IsValidConfig()); |
| 23 CHECK(audio_configs_.find(id) == audio_configs_.end()); |
| 24 scoped_ptr<MediaTrack> track = make_scoped_ptr( |
| 25 new MediaTrack(MediaTrack::Audio, id, kind, label, language)); |
| 26 tracks_.push_back(std::move(track)); |
| 27 audio_configs_[id] = config; |
| 28 } |
| 29 |
| 30 void MediaTracks::AddVideoTrack(const VideoDecoderConfig& config, |
| 31 const std::string& id, |
| 32 const std::string& kind, |
| 33 const std::string& label, |
| 34 const std::string& language) { |
| 35 DCHECK(config.IsValidConfig()); |
| 36 CHECK(video_configs_.find(id) == video_configs_.end()); |
| 37 scoped_ptr<MediaTrack> track = make_scoped_ptr( |
| 38 new MediaTrack(MediaTrack::Video, id, kind, label, language)); |
| 39 tracks_.push_back(std::move(track)); |
| 40 video_configs_[id] = config; |
| 41 } |
| 42 |
| 43 const AudioDecoderConfig& MediaTracks::getAudioConfig( |
| 44 const std::string& id) const { |
| 45 auto it = audio_configs_.find(id); |
| 46 if (it != audio_configs_.end()) |
| 47 return it->second; |
| 48 static AudioDecoderConfig invalidConfig; |
| 49 return invalidConfig; |
| 50 } |
| 51 |
| 52 const VideoDecoderConfig& MediaTracks::getVideoConfig( |
| 53 const std::string& id) const { |
| 54 auto it = video_configs_.find(id); |
| 55 if (it != video_configs_.end()) |
| 56 return it->second; |
| 57 static VideoDecoderConfig invalidConfig; |
| 58 return invalidConfig; |
| 59 } |
| 60 |
| 61 const AudioDecoderConfig& MediaTracks::getFirstAudioConfig() const { |
| 62 for (const auto& track : tracks()) { |
| 63 if (track->type() == MediaTrack::Audio) { |
| 64 return getAudioConfig(track->id()); |
| 65 } |
| 66 } |
| 67 static AudioDecoderConfig invalidConfig; |
| 68 return invalidConfig; |
| 69 } |
| 70 |
| 71 const VideoDecoderConfig& MediaTracks::getFirstVideoConfig() const { |
| 72 for (const auto& track : tracks()) { |
| 73 if (track->type() == MediaTrack::Video) { |
| 74 return getVideoConfig(track->id()); |
| 75 } |
| 76 } |
| 77 static VideoDecoderConfig invalidConfig; |
| 78 return invalidConfig; |
| 79 } |
| 80 |
| 81 } // namespace media |
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