| /* |
| * libjingle |
| * Copyright 2011, Google Inc. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions are met: |
| * |
| * 1. Redistributions of source code must retain the above copyright notice, |
| * this list of conditions and the following disclaimer. |
| * 2. Redistributions in binary form must reproduce the above copyright notice, |
| * this list of conditions and the following disclaimer in the documentation |
| * and/or other materials provided with the distribution. |
| * 3. The name of the author may not be used to endorse or promote products |
| * derived from this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED |
| * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF |
| * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO |
| * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, |
| * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; |
| * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, |
| * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR |
| * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF |
| * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| // This file includes proxy classes for tracks. The purpose is |
| // to make sure tracks are only accessed from the signaling thread. |
| |
| #ifndef TALK_APP_WEBRTC_MEDIASTREAMTRACKPROXY_H_ |
| #define TALK_APP_WEBRTC_MEDIASTREAMTRACKPROXY_H_ |
| |
| #include <string> |
| #include <vector> |
| |
| #include "talk/app/webrtc/audiotrackimpl.h" |
| #include "talk/app/webrtc/mediastream.h" |
| #include "talk/app/webrtc/videotrackimpl.h" |
| #include "talk/base/thread.h" |
| |
| namespace cricket { |
| |
| class VideoCapturer; |
| |
| } // namespace cricket |
| |
| namespace webrtc { |
| |
| template <class T> |
| class MediaStreamTrackProxy : public T, |
| talk_base::MessageHandler { |
| public: |
| void Init(MediaStreamTrackInterface* track); |
| // Implement MediaStreamTrack. |
| |
| virtual std::string kind() const; |
| virtual std::string label() const; |
| virtual bool enabled() const; |
| virtual MediaStreamTrackInterface::TrackState state() const; |
| virtual bool set_enabled(bool enable); |
| virtual bool set_state(MediaStreamTrackInterface::TrackState new_state); |
| |
| // Implement Notifier |
| virtual void RegisterObserver(ObserverInterface* observer); |
| virtual void UnregisterObserver(ObserverInterface* observer); |
| |
| protected: |
| explicit MediaStreamTrackProxy(talk_base::Thread* signaling_thread); |
| |
| void Send(uint32 id, talk_base::MessageData* data) const; |
| // Returns true if the message is handled. |
| bool HandleMessage(talk_base::Message* msg); |
| |
| mutable talk_base::Thread* signaling_thread_; |
| MediaStreamTrackInterface* track_; |
| }; |
| |
| // AudioTrackProxy is a proxy for the AudioTrackInterface. The purpose is |
| // to make sure AudioTrack is only accessed from the signaling thread. |
| // It can be used as a proxy for both local and remote audio tracks. |
| class AudioTrackProxy : public MediaStreamTrackProxy<LocalAudioTrackInterface> { |
| public: |
| static talk_base::scoped_refptr<AudioTrackInterface> CreateRemote( |
| const std::string& label, |
| talk_base::Thread* signaling_thread); |
| static talk_base::scoped_refptr<LocalAudioTrackInterface> CreateLocal( |
| const std::string& label, |
| AudioDeviceModule* audio_device, |
| talk_base::Thread* signaling_thread); |
| static talk_base::scoped_refptr<LocalAudioTrackInterface> CreateLocal( |
| LocalAudioTrackInterface* implementation, |
| talk_base::Thread* signaling_thread); |
| |
| virtual AudioDeviceModule* GetAudioDevice(); |
| |
| protected: |
| AudioTrackProxy(const std::string& label, |
| talk_base::Thread* signaling_thread); |
| AudioTrackProxy(const std::string& label, |
| AudioDeviceModule* audio_device, |
| talk_base::Thread* signaling_thread); |
| AudioTrackProxy(LocalAudioTrackInterface* implementation, |
| talk_base::Thread* signaling_thread); |
| // Implement MessageHandler |
| virtual void OnMessage(talk_base::Message* msg); |
| |
| talk_base::scoped_refptr<LocalAudioTrackInterface> audio_track_; |
| }; |
| |
| // VideoTrackProxy is a proxy for the VideoTrackInterface and |
| // LocalVideoTrackInterface. The purpose is |
| // to make sure VideoTrack is only accessed from the signaling thread. |
| // It can be used as a proxy for both local and remote video tracks. |
| class VideoTrackProxy : public MediaStreamTrackProxy<LocalVideoTrackInterface> { |
| public: |
| static talk_base::scoped_refptr<VideoTrackInterface> CreateRemote( |
| const std::string& label, |
| talk_base::Thread* signaling_thread); |
| static talk_base::scoped_refptr<LocalVideoTrackInterface> CreateLocal( |
| const std::string& label, |
| cricket::VideoCapturer* video_device, |
| talk_base::Thread* signaling_thread); |
| static talk_base::scoped_refptr<LocalVideoTrackInterface> CreateLocal( |
| LocalVideoTrackInterface* implementation, |
| talk_base::Thread* signaling_thread); |
| |
| virtual cricket::VideoCapturer* GetVideoCapture(); |
| virtual void SetRenderer(VideoRendererWrapperInterface* renderer); |
| VideoRendererWrapperInterface* GetRenderer(); |
| |
| protected: |
| VideoTrackProxy(const std::string& label, |
| talk_base::Thread* signaling_thread); |
| VideoTrackProxy(const std::string& label, |
| cricket::VideoCapturer* video_device, |
| talk_base::Thread* signaling_thread); |
| VideoTrackProxy(LocalVideoTrackInterface* implementation, |
| talk_base::Thread* signaling_thread); |
| |
| // Implement MessageHandler |
| virtual void OnMessage(talk_base::Message* msg); |
| |
| talk_base::scoped_refptr<LocalVideoTrackInterface> video_track_; |
| }; |
| |
| } // namespace webrtc |
| |
| #endif // TALK_APP_WEBRTC_MEDIASTREAMTRACKPROXY_H_ |