1/*M/////////////////////////////////////////////////////////////////////////////////////// 2// 3// IMPORTANT: READ BEFORE DOWNLOADING, COPYING, INSTALLING OR USING. 4// 5// By downloading, copying, installing or using the software you agree to this license. 6// If you do not agree to this license, do not download, install, 7// copy or use the software. 8// 9// 10// License Agreement 11// For Open Source Computer Vision Library 12// 13// Copyright (C) 2000-2008, Intel Corporation, all rights reserved. 14// Copyright (C) 2009, Willow Garage Inc., all rights reserved. 15// Copyright (C) 2013, OpenCV Foundation, all rights reserved. 16// Third party copyrights are property of their respective owners. 17// 18// Redistribution and use in source and binary forms, with or without modification, 19// are permitted provided that the following conditions are met: 20// 21// * Redistribution's of source code must retain the above copyright notice, 22// this list of conditions and the following disclaimer. 23// 24// * Redistribution's in binary form must reproduce the above copyright notice, 25// this list of conditions and the following disclaimer in the documentation 26// and/or other materials provided with the distribution. 27// 28// * The name of the copyright holders may not be used to endorse or promote products 29// derived from this software without specific prior written permission. 30// 31// This software is provided by the copyright holders and contributors "as is" and 32// any express or implied warranties, including, but not limited to, the implied 33// warranties of merchantability and fitness for a particular purpose are disclaimed. 34// In no event shall the Intel Corporation or contributors be liable for any direct, 35// indirect, incidental, special, exemplary, or consequential damages 36// (including, but not limited to, procurement of substitute goods or services; 37// loss of use, data, or profits; or business interruption) however caused 38// and on any theory of liability, whether in contract, strict liability, 39// or tort (including negligence or otherwise) arising in any way out of 40// the use of this software, even if advised of the possibility of such damage. 41// 42//M*/ 43 44#include "precomp.hpp" 45 46#ifdef HAVE_NVCUVID 47 48using namespace cv; 49using namespace cv::cudacodec; 50using namespace cv::cudacodec::detail; 51 52bool cv::cudacodec::detail::VideoSource::parseVideoData(const unsigned char* data, size_t size, bool endOfStream) 53{ 54 return videoParser_->parseVideoData(data, size, endOfStream); 55} 56 57cv::cudacodec::detail::RawVideoSourceWrapper::RawVideoSourceWrapper(const Ptr<RawVideoSource>& source) : 58 source_(source) 59{ 60 CV_Assert( !source_.empty() ); 61} 62 63cv::cudacodec::FormatInfo cv::cudacodec::detail::RawVideoSourceWrapper::format() const 64{ 65 return source_->format(); 66} 67 68void cv::cudacodec::detail::RawVideoSourceWrapper::start() 69{ 70 stop_ = false; 71 hasError_ = false; 72 thread_.reset(new Thread(readLoop, this)); 73} 74 75void cv::cudacodec::detail::RawVideoSourceWrapper::stop() 76{ 77 stop_ = true; 78 thread_->wait(); 79 thread_.release(); 80} 81 82bool cv::cudacodec::detail::RawVideoSourceWrapper::isStarted() const 83{ 84 return !stop_; 85} 86 87bool cv::cudacodec::detail::RawVideoSourceWrapper::hasError() const 88{ 89 return hasError_; 90} 91 92void cv::cudacodec::detail::RawVideoSourceWrapper::readLoop(void* userData) 93{ 94 RawVideoSourceWrapper* thiz = static_cast<RawVideoSourceWrapper*>(userData); 95 96 for (;;) 97 { 98 unsigned char* data; 99 int size; 100 bool endOfFile; 101 102 if (!thiz->source_->getNextPacket(&data, &size, &endOfFile)) 103 { 104 thiz->hasError_ = !endOfFile; 105 break; 106 } 107 108 if (!thiz->parseVideoData(data, size)) 109 { 110 thiz->hasError_ = true; 111 break; 112 } 113 114 if (thiz->stop_) 115 break; 116 } 117 118 thiz->parseVideoData(0, 0, true); 119} 120 121#endif // HAVE_NVCUVID 122