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 #include "talk/app/webrtc/videotrack.h" 28 29 #include <string> 30 31 #include "talk/media/webrtc/webrtcvideocapturer.h" 32 33 namespace webrtc { 34 35 static const char kVideoTrackKind[] = "video"; 36 37 VideoTrack::VideoTrack(const std::string& label, 38 VideoSourceInterface* video_source) 39 : MediaStreamTrack<VideoTrackInterface>(label), 40 video_source_(video_source) { 41 if (video_source_) 42 video_source_->AddSink(FrameInput()); 43 } 44 45 VideoTrack::~VideoTrack() { 46 if (video_source_) 47 video_source_->RemoveSink(FrameInput()); 48 } 49 50 std::string VideoTrack::kind() const { 51 return kVideoTrackKind; 52 } 53 54 void VideoTrack::AddRenderer(VideoRendererInterface* renderer) { 55 renderers_.AddRenderer(renderer); 56 } 57 58 void VideoTrack::RemoveRenderer(VideoRendererInterface* renderer) { 59 renderers_.RemoveRenderer(renderer); 60 } 61 62 cricket::VideoRenderer* VideoTrack::FrameInput() { 63 return &renderers_; 64 } 65 66 bool VideoTrack::set_enabled(bool enable) { 67 renderers_.SetEnabled(enable); 68 return MediaStreamTrack<VideoTrackInterface>::set_enabled(enable); 69 } 70 71 talk_base::scoped_refptr<VideoTrack> VideoTrack::Create( 72 const std::string& id, VideoSourceInterface* source) { 73 talk_base::RefCountedObject<VideoTrack>* track = 74 new talk_base::RefCountedObject<VideoTrack>(id, source); 75 return track; 76 } 77 78 } // namespace webrtc 79
