| /* |
| * 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. |
| */ |
| |
| #ifndef TALK_APP_WEBRTC_MEDIASTREAMPROXY_H_ |
| #define TALK_APP_WEBRTC_MEDIASTREAMPROXY_H_ |
| |
| #include <string> |
| #include <vector> |
| |
| #include "talk/app/webrtc/mediastreamimpl.h" |
| #include "talk/base/thread.h" |
| |
| namespace webrtc { |
| using talk_base::scoped_refptr; |
| |
| // MediaStreamProxy is a proxy for the MediaStream interface. The purpose is |
| // to make sure MediaStreamImpl is only accessed from the signaling thread. |
| // It can be used as a proxy for both local and remote MediaStreams. |
| class MediaStreamProxy : public LocalMediaStreamInterface, |
| public talk_base::MessageHandler { |
| public: |
| static scoped_refptr<MediaStreamProxy> Create( |
| const std::string& label, |
| talk_base::Thread* signaling_thread); |
| |
| static scoped_refptr<MediaStreamProxy> Create( |
| const std::string& label, |
| talk_base::Thread* signaling_thread, |
| LocalMediaStreamInterface* media_stream_impl); |
| |
| // Implement LocalStream. |
| virtual bool AddTrack(AudioTrackInterface* track); |
| virtual bool AddTrack(VideoTrackInterface* track); |
| |
| // Implement MediaStream. |
| virtual std::string label() const; |
| virtual AudioTracks* audio_tracks() { |
| return audio_tracks_; |
| } |
| virtual VideoTracks* video_tracks() { |
| return video_tracks_; |
| } |
| virtual ReadyState ready_state(); |
| virtual void set_ready_state(ReadyState new_state); |
| |
| // Implement Notifier |
| virtual void RegisterObserver(ObserverInterface* observer); |
| virtual void UnregisterObserver(ObserverInterface* observer); |
| |
| protected: |
| MediaStreamProxy(const std::string& label, |
| talk_base::Thread* signaling_thread, |
| LocalMediaStreamInterface* media_stream_impl); |
| |
| template <class T> |
| class MediaStreamTrackListProxy : public MediaStreamTrackListInterface<T>, |
| public talk_base::MessageHandler { |
| public: |
| explicit MediaStreamTrackListProxy(talk_base::Thread* signaling_thread); |
| |
| void SetImplementation(MediaStreamTrackListInterface<T>* track_list); |
| virtual size_t count(); |
| virtual T* at(size_t index); |
| |
| private: |
| void Send(uint32 id, talk_base::MessageData* data) const; |
| void OnMessage(talk_base::Message* msg); |
| |
| talk_base::scoped_refptr<MediaStreamTrackListInterface<T> > track_list_; |
| mutable talk_base::Thread* signaling_thread_; |
| }; |
| typedef MediaStreamTrackListProxy<AudioTrackInterface> AudioTrackListProxy; |
| typedef MediaStreamTrackListProxy<VideoTrackInterface> VideoTrackListProxy; |
| |
| void Send(uint32 id, talk_base::MessageData* data) const; |
| // Implement MessageHandler. |
| virtual void OnMessage(talk_base::Message* msg); |
| |
| mutable talk_base::Thread* signaling_thread_; |
| scoped_refptr<LocalMediaStreamInterface> media_stream_impl_; |
| scoped_refptr<AudioTrackListProxy> audio_tracks_; |
| scoped_refptr<VideoTrackListProxy> video_tracks_; |
| }; |
| |
| } // namespace webrtc |
| |
| #endif // TALK_APP_WEBRTC_MEDIASTREAMPROXY_H_ |