1 /* 2 * libjingle 3 * Copyright 2013, 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 #ifndef TALK_APP_WEBRTC_AUDIOTRACKRENDERER_H_ 29 #define TALK_APP_WEBRTC_AUDIOTRACKRENDERER_H_ 30 31 #include "talk/media/base/audiorenderer.h" 32 #include "webrtc/base/thread.h" 33 34 namespace webrtc { 35 36 // Class used for AudioTrack to get the ID of WebRtc voice channel that 37 // the AudioTrack is connecting to. 38 // Each AudioTrack owns a AudioTrackRenderer instance. 39 // AddChannel() will be called when an AudioTrack is added to a MediaStream. 40 // RemoveChannel will be called when the AudioTrack or WebRtc VoE channel is 41 // going away. 42 // This implementation only supports one channel, and it is only used by 43 // Chrome for remote audio tracks." 44 class AudioTrackRenderer : public cricket::AudioRenderer { 45 public: 46 AudioTrackRenderer(); 47 ~AudioTrackRenderer(); 48 49 // Implements cricket::AudioRenderer. 50 virtual void AddChannel(int channel_id) OVERRIDE; 51 virtual void RemoveChannel(int channel_id) OVERRIDE; 52 53 private: 54 int channel_id_; 55 }; 56 57 } // namespace webrtc 58 59 #endif // TALK_APP_WEBRTC_AUDIOTRACKRENDERER_H_ 60