1 /* 2 * libjingle 3 * Copyright 2011 Google Inc. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions are met: 7 * 8 * 1. Redistributions of source code must retain the above copyright notice, 9 * this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright notice, 11 * this list of conditions and the following disclaimer in the documentation 12 * and/or other materials provided with the distribution. 13 * 3. The name of the author may not be used to endorse or promote products 14 * derived from this software without specific prior written permission. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED 17 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 18 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO 19 * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 20 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 21 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; 22 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, 23 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR 24 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF 25 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 26 */ 27 28 // This file contains the implementation of MediaStreamInterface interface. 29 30 #ifndef TALK_APP_WEBRTC_MEDIASTREAM_H_ 31 #define TALK_APP_WEBRTC_MEDIASTREAM_H_ 32 33 #include <string> 34 #include <vector> 35 36 #include "talk/app/webrtc/mediastreaminterface.h" 37 #include "talk/app/webrtc/notifier.h" 38 39 namespace webrtc { 40 41 class MediaStream : public Notifier<MediaStreamInterface> { 42 public: 43 static rtc::scoped_refptr<MediaStream> Create(const std::string& label); 44 label()45 std::string label() const override { return label_; } 46 47 bool AddTrack(AudioTrackInterface* track) override; 48 bool AddTrack(VideoTrackInterface* track) override; 49 bool RemoveTrack(AudioTrackInterface* track) override; 50 bool RemoveTrack(VideoTrackInterface* track) override; 51 virtual rtc::scoped_refptr<AudioTrackInterface> 52 FindAudioTrack(const std::string& track_id); 53 virtual rtc::scoped_refptr<VideoTrackInterface> 54 FindVideoTrack(const std::string& track_id); 55 GetAudioTracks()56 AudioTrackVector GetAudioTracks() override { return audio_tracks_; } GetVideoTracks()57 VideoTrackVector GetVideoTracks() override { return video_tracks_; } 58 59 protected: 60 explicit MediaStream(const std::string& label); 61 62 private: 63 template <typename TrackVector, typename Track> 64 bool AddTrack(TrackVector* Tracks, Track* track); 65 template <typename TrackVector> 66 bool RemoveTrack(TrackVector* Tracks, MediaStreamTrackInterface* track); 67 68 std::string label_; 69 AudioTrackVector audio_tracks_; 70 VideoTrackVector video_tracks_; 71 }; 72 73 } // namespace webrtc 74 75 #endif // TALK_APP_WEBRTC_MEDIASTREAM_H_ 76