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 #include "talk/app/webrtc/videotrackrenderers.h" 28 29 namespace webrtc { 30 31 VideoTrackRenderers::VideoTrackRenderers() 32 : width_(0), 33 height_(0), 34 enabled_(true) { 35 } 36 37 VideoTrackRenderers::~VideoTrackRenderers() { 38 } 39 40 void VideoTrackRenderers::AddRenderer(VideoRendererInterface* renderer) { 41 talk_base::CritScope cs(&critical_section_); 42 std::vector<RenderObserver>::iterator it = renderers_.begin(); 43 for (; it != renderers_.end(); ++it) { 44 if (it->renderer_ == renderer) 45 return; 46 } 47 renderers_.push_back(RenderObserver(renderer)); 48 } 49 50 void VideoTrackRenderers::RemoveRenderer(VideoRendererInterface* renderer) { 51 talk_base::CritScope cs(&critical_section_); 52 std::vector<RenderObserver>::iterator it = renderers_.begin(); 53 for (; it != renderers_.end(); ++it) { 54 if (it->renderer_ == renderer) { 55 renderers_.erase(it); 56 return; 57 } 58 } 59 } 60 61 void VideoTrackRenderers::SetEnabled(bool enable) { 62 talk_base::CritScope cs(&critical_section_); 63 enabled_ = enable; 64 } 65 66 bool VideoTrackRenderers::SetSize(int width, int height, int reserved) { 67 talk_base::CritScope cs(&critical_section_); 68 width_ = width; 69 height_ = height; 70 std::vector<RenderObserver>::iterator it = renderers_.begin(); 71 for (; it != renderers_.end(); ++it) { 72 it->renderer_->SetSize(width, height); 73 it->size_set_ = true; 74 } 75 return true; 76 } 77 78 bool VideoTrackRenderers::RenderFrame(const cricket::VideoFrame* frame) { 79 talk_base::CritScope cs(&critical_section_); 80 if (!enabled_) { 81 return true; 82 } 83 std::vector<RenderObserver>::iterator it = renderers_.begin(); 84 for (; it != renderers_.end(); ++it) { 85 if (!it->size_set_) { 86 it->renderer_->SetSize(width_, height_); 87 it->size_set_ = true; 88 } 89 it->renderer_->RenderFrame(frame); 90 } 91 return true; 92 } 93 94 } // namespace webrtc 95
