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#include "talk/app/webrtc/videotrackrenderers.h" 29#include "talk/media/base/videoframe.h" 30 31namespace webrtc { 32 33VideoTrackRenderers::VideoTrackRenderers() : enabled_(true) { 34} 35 36VideoTrackRenderers::~VideoTrackRenderers() { 37} 38 39void VideoTrackRenderers::AddRenderer(VideoRendererInterface* renderer) { 40 if (!renderer) { 41 return; 42 } 43 rtc::CritScope cs(&critical_section_); 44 renderers_.insert(renderer); 45} 46 47void VideoTrackRenderers::RemoveRenderer(VideoRendererInterface* renderer) { 48 rtc::CritScope cs(&critical_section_); 49 renderers_.erase(renderer); 50} 51 52void VideoTrackRenderers::SetEnabled(bool enable) { 53 rtc::CritScope cs(&critical_section_); 54 enabled_ = enable; 55} 56 57bool VideoTrackRenderers::RenderFrame(const cricket::VideoFrame* frame) { 58 rtc::CritScope cs(&critical_section_); 59 if (!enabled_) { 60 return true; 61 } 62 for (VideoRendererInterface* renderer : renderers_) { 63 renderer->RenderFrame(frame); 64 } 65 return true; 66} 67 68} // namespace webrtc 69