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
48 using namespace cv::cudacodec::detail;
49
50 #ifdef _WIN32
51
52 namespace
53 {
54 struct UserData
55 {
56 Thread::Func func;
57 void* param;
58 };
59
WinThreadFunction(LPVOID lpParam)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
70 class cv::cudacodec::detail::Thread::Impl
71 {
72 public:
Impl(Thread::Func func,void * userData)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
~Impl()87 ~Impl()
88 {
89 CloseHandle(thread_);
90 }
91
wait()92 void wait()
93 {
94 WaitForSingleObject(thread_, INFINITE);
95 }
96
97 private:
98 UserData userData_;
99 HANDLE thread_;
100 DWORD threadId_;
101 };
102
103 #else
104
105 namespace
106 {
107 struct UserData
108 {
109 Thread::Func func;
110 void* param;
111 };
112
PThreadFunction(void * lpParam)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
123 class cv::cudacodec::detail::Thread::Impl
124 {
125 public:
Impl(Thread::Func func,void * userData)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
~Impl()134 ~Impl()
135 {
136 pthread_detach(thread_);
137 }
138
wait()139 void wait()
140 {
141 pthread_join(thread_, NULL);
142 }
143
144 private:
145 pthread_t thread_;
146 UserData userData_;
147 };
148
149 #endif
150
Thread(Func func,void * userData)151 cv::cudacodec::detail::Thread::Thread(Func func, void* userData) :
152 impl_(new Impl(func, userData))
153 {
154 }
155
wait()156 void cv::cudacodec::detail::Thread::wait()
157 {
158 impl_->wait();
159 }
160
sleep(int ms)161 void 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