1 /* 2 * libjingle 3 * Copyright 2012, 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_MEDIASTREAMPROVIDER_H_ 29 #define TALK_APP_WEBRTC_MEDIASTREAMPROVIDER_H_ 30 31 namespace cricket { 32 33 class AudioRenderer; 34 class VideoCapturer; 35 class VideoRenderer; 36 struct AudioOptions; 37 struct VideoOptions; 38 39 } // namespace cricket 40 41 namespace webrtc { 42 43 // This interface is called by AudioTrackHandler classes in mediastreamhandler.h 44 // to change the settings of an audio track connected to certain PeerConnection. 45 class AudioProviderInterface { 46 public: 47 // Enable/disable the audio playout of a remote audio track with |ssrc|. 48 virtual void SetAudioPlayout(uint32 ssrc, bool enable, 49 cricket::AudioRenderer* renderer) = 0; 50 // Enable/disable sending audio on the local audio track with |ssrc|. 51 // When |enable| is true |options| should be applied to the audio track. 52 virtual void SetAudioSend(uint32 ssrc, bool enable, 53 const cricket::AudioOptions& options, 54 cricket::AudioRenderer* renderer) = 0; 55 56 // Sets the audio playout volume of a remote audio track with |ssrc|. 57 // |volume| is in the range of [0, 10]. 58 virtual void SetAudioPlayoutVolume(uint32 ssrc, double volume) = 0; 59 60 protected: ~AudioProviderInterface()61 virtual ~AudioProviderInterface() {} 62 }; 63 64 // This interface is called by VideoTrackHandler classes in mediastreamhandler.h 65 // to change the settings of a video track connected to a certain 66 // PeerConnection. 67 class VideoProviderInterface { 68 public: 69 virtual bool SetCaptureDevice(uint32 ssrc, 70 cricket::VideoCapturer* camera) = 0; 71 // Enable/disable the video playout of a remote video track with |ssrc|. 72 virtual void SetVideoPlayout(uint32 ssrc, bool enable, 73 cricket::VideoRenderer* renderer) = 0; 74 // Enable sending video on the local video track with |ssrc|. 75 virtual void SetVideoSend(uint32 ssrc, bool enable, 76 const cricket::VideoOptions* options) = 0; 77 78 protected: ~VideoProviderInterface()79 virtual ~VideoProviderInterface() {} 80 }; 81 82 } // namespace webrtc 83 84 #endif // TALK_APP_WEBRTC_MEDIASTREAMPROVIDER_H_ 85