wu@webrtc.org | b9a088b | 2014-02-13 23:18:49 +0000 | [diff] [blame] | 1 | /* |
kjellander | b24317b | 2016-02-10 07:54:43 -0800 | [diff] [blame] | 2 | * Copyright 2014 The WebRTC project authors. All Rights Reserved. |
wu@webrtc.org | b9a088b | 2014-02-13 23:18:49 +0000 | [diff] [blame] | 3 | * |
kjellander | b24317b | 2016-02-10 07:54:43 -0800 | [diff] [blame] | 4 | * Use of this source code is governed by a BSD-style license |
| 5 | * that can be found in the LICENSE file in the root of the source |
| 6 | * tree. An additional intellectual property rights grant can be found |
| 7 | * in the file PATENTS. All contributing project authors may |
| 8 | * be found in the AUTHORS file in the root of the source tree. |
wu@webrtc.org | b9a088b | 2014-02-13 23:18:49 +0000 | [diff] [blame] | 9 | */ |
| 10 | |
Mirko Bonadei | 92ea95e | 2017-09-15 06:47:31 +0200 | [diff] [blame] | 11 | #ifndef PC_REMOTEAUDIOSOURCE_H_ |
| 12 | #define PC_REMOTEAUDIOSOURCE_H_ |
wu@webrtc.org | b9a088b | 2014-02-13 23:18:49 +0000 | [diff] [blame] | 13 | |
| 14 | #include <list> |
Tommi | f888bb5 | 2015-12-12 01:37:01 +0100 | [diff] [blame] | 15 | #include <string> |
wu@webrtc.org | b9a088b | 2014-02-13 23:18:49 +0000 | [diff] [blame] | 16 | |
Mirko Bonadei | 92ea95e | 2017-09-15 06:47:31 +0200 | [diff] [blame] | 17 | #include "api/call/audio_sink.h" |
| 18 | #include "api/notifier.h" |
| 19 | #include "pc/channel.h" |
| 20 | #include "rtc_base/criticalsection.h" |
Steve Anton | 3b80aac | 2017-10-19 10:17:12 -0700 | [diff] [blame] | 21 | #include "rtc_base/messagehandler.h" |
Tommi | f888bb5 | 2015-12-12 01:37:01 +0100 | [diff] [blame] | 22 | |
| 23 | namespace rtc { |
| 24 | struct Message; |
| 25 | class Thread; |
| 26 | } // namespace rtc |
wu@webrtc.org | b9a088b | 2014-02-13 23:18:49 +0000 | [diff] [blame] | 27 | |
| 28 | namespace webrtc { |
| 29 | |
wu@webrtc.org | b9a088b | 2014-02-13 23:18:49 +0000 | [diff] [blame] | 30 | // This class implements the audio source used by the remote audio track. |
Steve Anton | 3b80aac | 2017-10-19 10:17:12 -0700 | [diff] [blame] | 31 | class RemoteAudioSource : public Notifier<AudioSourceInterface>, |
| 32 | rtc::MessageHandler { |
wu@webrtc.org | b9a088b | 2014-02-13 23:18:49 +0000 | [diff] [blame] | 33 | public: |
| 34 | // Creates an instance of RemoteAudioSource. |
Tommi | f888bb5 | 2015-12-12 01:37:01 +0100 | [diff] [blame] | 35 | static rtc::scoped_refptr<RemoteAudioSource> Create( |
| 36 | uint32_t ssrc, |
Taylor Brandstetter | ba29c6a | 2016-06-27 16:30:35 -0700 | [diff] [blame] | 37 | cricket::VoiceChannel* channel); |
wu@webrtc.org | b9a088b | 2014-02-13 23:18:49 +0000 | [diff] [blame] | 38 | |
| 39 | // MediaSourceInterface implementation. |
kjellander@webrtc.org | 14665ff | 2015-03-04 12:58:35 +0000 | [diff] [blame] | 40 | MediaSourceInterface::SourceState state() const override; |
tommi | 6eca7e3 | 2015-12-15 04:27:11 -0800 | [diff] [blame] | 41 | bool remote() const override; |
wu@webrtc.org | b9a088b | 2014-02-13 23:18:49 +0000 | [diff] [blame] | 42 | |
tommi | 6eca7e3 | 2015-12-15 04:27:11 -0800 | [diff] [blame] | 43 | void AddSink(AudioTrackSinkInterface* sink) override; |
| 44 | void RemoveSink(AudioTrackSinkInterface* sink) override; |
Tommi | f888bb5 | 2015-12-12 01:37:01 +0100 | [diff] [blame] | 45 | |
| 46 | protected: |
| 47 | RemoteAudioSource(); |
| 48 | ~RemoteAudioSource() override; |
| 49 | |
| 50 | // Post construction initialize where we can do things like save a reference |
| 51 | // to ourselves (need to be fully constructed). |
Taylor Brandstetter | ba29c6a | 2016-06-27 16:30:35 -0700 | [diff] [blame] | 52 | void Initialize(uint32_t ssrc, cricket::VoiceChannel* channel); |
Tommi | f888bb5 | 2015-12-12 01:37:01 +0100 | [diff] [blame] | 53 | |
| 54 | private: |
| 55 | typedef std::list<AudioObserver*> AudioObserverList; |
| 56 | |
wu@webrtc.org | b9a088b | 2014-02-13 23:18:49 +0000 | [diff] [blame] | 57 | // AudioSourceInterface implementation. |
kjellander@webrtc.org | 14665ff | 2015-03-04 12:58:35 +0000 | [diff] [blame] | 58 | void SetVolume(double volume) override; |
| 59 | void RegisterAudioObserver(AudioObserver* observer) override; |
| 60 | void UnregisterAudioObserver(AudioObserver* observer) override; |
wu@webrtc.org | b9a088b | 2014-02-13 23:18:49 +0000 | [diff] [blame] | 61 | |
Tommi | f888bb5 | 2015-12-12 01:37:01 +0100 | [diff] [blame] | 62 | class Sink; |
| 63 | void OnData(const AudioSinkInterface::Data& audio); |
Taylor Brandstetter | ba29c6a | 2016-06-27 16:30:35 -0700 | [diff] [blame] | 64 | void OnAudioChannelGone(); |
Tommi | f888bb5 | 2015-12-12 01:37:01 +0100 | [diff] [blame] | 65 | |
Steve Anton | 3b80aac | 2017-10-19 10:17:12 -0700 | [diff] [blame] | 66 | void OnMessage(rtc::Message* msg) override; |
Tommi | f888bb5 | 2015-12-12 01:37:01 +0100 | [diff] [blame] | 67 | |
wu@webrtc.org | b9a088b | 2014-02-13 23:18:49 +0000 | [diff] [blame] | 68 | AudioObserverList audio_observers_; |
Tommi | f888bb5 | 2015-12-12 01:37:01 +0100 | [diff] [blame] | 69 | rtc::CriticalSection sink_lock_; |
| 70 | std::list<AudioTrackSinkInterface*> sinks_; |
| 71 | rtc::Thread* const main_thread_; |
| 72 | SourceState state_; |
wu@webrtc.org | b9a088b | 2014-02-13 23:18:49 +0000 | [diff] [blame] | 73 | }; |
| 74 | |
| 75 | } // namespace webrtc |
| 76 | |
Mirko Bonadei | 92ea95e | 2017-09-15 06:47:31 +0200 | [diff] [blame] | 77 | #endif // PC_REMOTEAUDIOSOURCE_H_ |