1 /* 2 * Copyright (C) 2013 Google Inc. All rights reserved. 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions are 6 * met: 7 * 8 * * Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * * Redistributions in binary form must reproduce the above 11 * copyright notice, this list of conditions and the following disclaimer 12 * in the documentation and/or other materials provided with the 13 * distribution. 14 * * Neither the name of Google Inc. nor the names of its 15 * contributors may be used to endorse or promote products derived from 16 * this software without specific prior written permission. 17 * 18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 19 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 20 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 21 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 22 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 23 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 24 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 29 */ 30 31 #include "config.h" 32 #include "modules/mediasource/VideoPlaybackQuality.h" 33 34 #include "core/dom/Document.h" 35 #include "core/frame/DOMWindow.h" 36 #include "core/timing/Performance.h" 37 38 namespace WebCore { 39 40 PassRefPtr<VideoPlaybackQuality> VideoPlaybackQuality::create( 41 const Document& document, unsigned totalVideoFrames, unsigned droppedVideoFrames, unsigned corruptedVideoFrames) 42 { 43 return adoptRef(new VideoPlaybackQuality(document, totalVideoFrames, droppedVideoFrames, corruptedVideoFrames)); 44 } 45 46 VideoPlaybackQuality::VideoPlaybackQuality( 47 const Document& document, unsigned totalVideoFrames, unsigned droppedVideoFrames, unsigned corruptedVideoFrames) 48 : m_creationTime(0) 49 , m_totalVideoFrames(totalVideoFrames) 50 , m_droppedVideoFrames(droppedVideoFrames) 51 , m_corruptedVideoFrames(corruptedVideoFrames) 52 { 53 if (document.domWindow() && document.domWindow()->performance()) 54 m_creationTime = document.domWindow()->performance()->now(); 55 } 56 57 } 58
