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::cudacodec::detail; 49 50#ifdef WIN32 51 52namespace 53{ 54 struct UserData 55 { 56 Thread::Func func; 57 void* param; 58 }; 59 60 DWORD WINAPI WinThreadFunction(LPVOID lpParam) 61 { 62 UserData* userData = static_cast<UserData*>(lpParam); 63 64 userData->func(userData->param); 65 66 return 0; 67 } 68} 69 70class cv::cudacodec::detail::Thread::Impl 71{ 72public: 73 Impl(Thread::Func func, void* userData) 74 { 75 userData_.func = func; 76 userData_.param = userData; 77 78 thread_ = CreateThread( 79 NULL, // default security attributes 80 0, // use default stack size 81 WinThreadFunction, // thread function name 82 &userData_, // argument to thread function 83 0, // use default creation flags 84 &threadId_); // returns the thread identifier 85 } 86 87 ~Impl() 88 { 89 CloseHandle(thread_); 90 } 91 92 void wait() 93 { 94 WaitForSingleObject(thread_, INFINITE); 95 } 96 97private: 98 UserData userData_; 99 HANDLE thread_; 100 DWORD threadId_; 101}; 102 103#else 104 105namespace 106{ 107 struct UserData 108 { 109 Thread::Func func; 110 void* param; 111 }; 112 113 void* PThreadFunction(void* lpParam) 114 { 115 UserData* userData = static_cast<UserData*>(lpParam); 116 117 userData->func(userData->param); 118 119 return 0; 120 } 121} 122 123class cv::cudacodec::detail::Thread::Impl 124{ 125public: 126 Impl(Thread::Func func, void* userData) 127 { 128 userData_.func = func; 129 userData_.param = userData; 130 131 pthread_create(&thread_, NULL, PThreadFunction, &userData_); 132 } 133 134 ~Impl() 135 { 136 pthread_detach(thread_); 137 } 138 139 void wait() 140 { 141 pthread_join(thread_, NULL); 142 } 143 144private: 145 pthread_t thread_; 146 UserData userData_; 147}; 148 149#endif 150 151cv::cudacodec::detail::Thread::Thread(Func func, void* userData) : 152 impl_(new Impl(func, userData)) 153{ 154} 155 156void cv::cudacodec::detail::Thread::wait() 157{ 158 impl_->wait(); 159} 160 161void cv::cudacodec::detail::Thread::sleep(int ms) 162{ 163#ifdef WIN32 164 ::Sleep(ms); 165#else 166 ::usleep(ms * 1000); 167#endif 168} 169 170#endif // HAVE_NVCUVID 171