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 #include "webrtc/base/basictypes.h" 32 #include "webrtc/base/scoped_ptr.h" 33 34 namespace cricket { 35 36 class AudioRenderer; 37 class VideoCapturer; 38 class VideoRenderer; 39 struct AudioOptions; 40 struct VideoOptions; 41 42 } // namespace cricket 43 44 namespace webrtc { 45 46 class AudioSinkInterface; 47 48 // TODO(deadbeef): Change the key from an ssrc to a "sender_id" or 49 // "receiver_id" string, which will be the MSID in the short term and MID in 50 // the long term. 51 52 // TODO(deadbeef): These interfaces are effectively just a way for the 53 // RtpSenders/Receivers to get to the BaseChannels. These interfaces should be 54 // refactored away eventually, as the classes converge. 55 56 // This interface is called by AudioRtpSender/Receivers to change the settings 57 // of an audio track connected to certain PeerConnection. 58 class AudioProviderInterface { 59 public: 60 // Enable/disable the audio playout of a remote audio track with |ssrc|. 61 virtual void SetAudioPlayout(uint32_t ssrc, bool enable) = 0; 62 // Enable/disable sending audio on the local audio track with |ssrc|. 63 // When |enable| is true |options| should be applied to the audio track. 64 virtual void SetAudioSend(uint32_t ssrc, 65 bool enable, 66 const cricket::AudioOptions& options, 67 cricket::AudioRenderer* renderer) = 0; 68 69 // Sets the audio playout volume of a remote audio track with |ssrc|. 70 // |volume| is in the range of [0, 10]. 71 virtual void SetAudioPlayoutVolume(uint32_t ssrc, double volume) = 0; 72 73 // Allows for setting a direct audio sink for an incoming audio source. 74 // Only one audio sink is supported per ssrc and ownership of the sink is 75 // passed to the provider. 76 virtual void SetRawAudioSink( 77 uint32_t ssrc, 78 rtc::scoped_ptr<webrtc::AudioSinkInterface> sink) = 0; 79 80 protected: ~AudioProviderInterface()81 virtual ~AudioProviderInterface() {} 82 }; 83 84 // This interface is called by VideoRtpSender/Receivers to change the settings 85 // of a video track connected to a certain PeerConnection. 86 class VideoProviderInterface { 87 public: 88 virtual bool SetCaptureDevice(uint32_t ssrc, 89 cricket::VideoCapturer* camera) = 0; 90 // Enable/disable the video playout of a remote video track with |ssrc|. 91 virtual void SetVideoPlayout(uint32_t ssrc, 92 bool enable, 93 cricket::VideoRenderer* renderer) = 0; 94 // Enable sending video on the local video track with |ssrc|. 95 virtual void SetVideoSend(uint32_t ssrc, 96 bool enable, 97 const cricket::VideoOptions* options) = 0; 98 99 protected: ~VideoProviderInterface()100 virtual ~VideoProviderInterface() {} 101 }; 102 103 } // namespace webrtc 104 105 #endif // TALK_APP_WEBRTC_MEDIASTREAMPROVIDER_H_ 106