| // Copyright 2016 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #include "media/base/media_tracks.h" |
| |
| #include <memory> |
| |
| #include "base/bind.h" |
| #include "base/no_destructor.h" |
| #include "media/base/audio_decoder_config.h" |
| #include "media/base/video_decoder_config.h" |
| |
| namespace media { |
| |
| MediaTracks::MediaTracks() = default; |
| |
| MediaTracks::~MediaTracks() = default; |
| |
| MediaTrack* MediaTracks::AddAudioTrack( |
| const AudioDecoderConfig& config, |
| StreamParser::TrackId bytestream_track_id, |
| const std::string& kind, |
| const std::string& label, |
| const std::string& language) { |
| DCHECK(config.IsValidConfig()); |
| CHECK(audio_configs_.find(bytestream_track_id) == audio_configs_.end()); |
| std::unique_ptr<MediaTrack> track = std::make_unique<MediaTrack>( |
| MediaTrack::Audio, bytestream_track_id, kind, label, language); |
| MediaTrack* track_ptr = track.get(); |
| tracks_.push_back(std::move(track)); |
| audio_configs_[bytestream_track_id] = config; |
| return track_ptr; |
| } |
| |
| MediaTrack* MediaTracks::AddVideoTrack( |
| const VideoDecoderConfig& config, |
| StreamParser::TrackId bytestream_track_id, |
| const std::string& kind, |
| const std::string& label, |
| const std::string& language) { |
| DCHECK(config.IsValidConfig()); |
| CHECK(video_configs_.find(bytestream_track_id) == video_configs_.end()); |
| std::unique_ptr<MediaTrack> track = std::make_unique<MediaTrack>( |
| MediaTrack::Video, bytestream_track_id, kind, label, language); |
| MediaTrack* track_ptr = track.get(); |
| tracks_.push_back(std::move(track)); |
| video_configs_[bytestream_track_id] = config; |
| return track_ptr; |
| } |
| |
| const AudioDecoderConfig& MediaTracks::getAudioConfig( |
| StreamParser::TrackId bytestream_track_id) const { |
| auto it = audio_configs_.find(bytestream_track_id); |
| if (it != audio_configs_.end()) |
| return it->second; |
| static base::NoDestructor<AudioDecoderConfig> invalidConfig; |
| return *invalidConfig; |
| } |
| |
| const VideoDecoderConfig& MediaTracks::getVideoConfig( |
| StreamParser::TrackId bytestream_track_id) const { |
| auto it = video_configs_.find(bytestream_track_id); |
| if (it != video_configs_.end()) |
| return it->second; |
| static base::NoDestructor<VideoDecoderConfig> invalidConfig; |
| return *invalidConfig; |
| } |
| |
| } // namespace media |