1/* 2 * Copyright (C) 2010 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 "VideoFrameChromiumImpl.h" 33 34#include "VideoFrameChromium.h" 35#include "WebVideoFrame.h" 36 37using namespace WebCore; 38 39namespace WebKit { 40 41WebVideoFrame* VideoFrameChromiumImpl::toWebVideoFrame(VideoFrameChromium* videoFrame) 42{ 43 VideoFrameChromiumImpl* wrappedFrame = static_cast<VideoFrameChromiumImpl*>(videoFrame); 44 if (wrappedFrame) 45 return wrappedFrame->m_webVideoFrame; 46 return 0; 47} 48 49VideoFrameChromiumImpl::VideoFrameChromiumImpl(WebVideoFrame* webVideoFrame) 50 : m_webVideoFrame(webVideoFrame) 51{ 52} 53 54VideoFrameChromium::SurfaceType VideoFrameChromiumImpl::surfaceType() const 55{ 56 if (m_webVideoFrame) 57 return static_cast<VideoFrameChromium::SurfaceType>(m_webVideoFrame->surfaceType()); 58 return TypeSystemMemory; 59} 60 61VideoFrameChromium::Format VideoFrameChromiumImpl::format() const 62{ 63 if (m_webVideoFrame) 64 return static_cast<VideoFrameChromium::Format>(m_webVideoFrame->format()); 65 return Invalid; 66} 67 68unsigned VideoFrameChromiumImpl::width() const 69{ 70 if (m_webVideoFrame) 71 return m_webVideoFrame->width(); 72 return 0; 73} 74 75unsigned VideoFrameChromiumImpl::width(unsigned plane) const 76{ 77 unsigned planeWidth = width(); 78 if (format() == YV12 && plane != static_cast<unsigned>(yPlane)) 79 planeWidth /= 2; 80 return planeWidth; 81} 82 83unsigned VideoFrameChromiumImpl::height() const 84{ 85 if (m_webVideoFrame) 86 return m_webVideoFrame->height(); 87 return 0; 88} 89 90unsigned VideoFrameChromiumImpl::height(unsigned plane) const 91{ 92 unsigned planeHeight = height(); 93 if (format() == YV12 && plane != static_cast<unsigned>(yPlane)) 94 planeHeight /= 2; 95 return planeHeight; 96} 97 98unsigned VideoFrameChromiumImpl::planes() const 99{ 100 if (m_webVideoFrame) 101 return m_webVideoFrame->planes(); 102 return 0; 103} 104 105int VideoFrameChromiumImpl::stride(unsigned plane) const 106{ 107 if (m_webVideoFrame) 108 return m_webVideoFrame->stride(plane); 109 return 0; 110} 111 112const void* VideoFrameChromiumImpl::data(unsigned plane) const 113{ 114 if (m_webVideoFrame) 115 return m_webVideoFrame->data(plane); 116 return 0; 117} 118 119unsigned VideoFrameChromiumImpl::texture(unsigned plane) const 120{ 121 if (m_webVideoFrame) 122 return m_webVideoFrame->texture(plane); 123 return 0; 124} 125 126const IntSize VideoFrameChromiumImpl::requiredTextureSize(unsigned plane) const 127{ 128 return IntSize(stride(plane), height(plane)); 129} 130 131bool VideoFrameChromiumImpl::hasPaddingBytes(unsigned plane) const 132{ 133 if (m_webVideoFrame) 134 return stride(plane) - width(plane) > 0; 135 return false; 136} 137 138} // namespace WebKit 139