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/*M///////////////////////////////////////////////////////////////////////////////////////
//
// IMPORTANT: READ BEFORE DOWNLOADING, COPYING, INSTALLING OR USING.
//
// By downloading, copying, installing or using the software you agree to this license.
// If you do not agree to this license, do not download, install,
// copy or use the software.
//
//
// License Agreement
// For Open Source Computer Vision Library
//
// Copyright (C) 2000-2008, Intel Corporation, all rights reserved.
// Copyright (C) 2009, Willow Garage Inc., all rights reserved.
// Copyright (C) 2013, OpenCV Foundation, all rights reserved.
// Third party copyrights are property of their respective owners.
//
// Redistribution and use in source and binary forms, with or without modification,
// are permitted provided that the following conditions are met:
//
// * Redistribution's of source code must retain the above copyright notice,
// this list of conditions and the following disclaimer.
//
// * Redistribution's in binary form must reproduce the above copyright notice,
// this list of conditions and the following disclaimer in the documentation
// and/or other materials provided with the distribution.
//
// * The name of the copyright holders may not be used to endorse or promote products
// derived from this software without specific prior written permission.
//
// This software is provided by the copyright holders and contributors "as is" and
// any express or implied warranties, including, but not limited to, the implied
// warranties of merchantability and fitness for a particular purpose are disclaimed.
// In no event shall the Intel Corporation or contributors be liable for any direct,
// indirect, incidental, special, exemplary, or consequential damages
// (including, but not limited to, procurement of substitute goods or services;
// loss of use, data, or profits; or business interruption) however caused
// and on any theory of liability, whether in contract, strict liability,
// or tort (including negligence or otherwise) arising in any way out of
// the use of this software, even if advised of the possibility of such damage.
//
//M*/
#include "precomp.hpp"
#ifdef HAVE_NVCUVID
using namespace cv::cudacodec::detail;
#ifdef WIN32
namespace
{
struct UserData
{
Thread::Func func;
void* param;
};
DWORD WINAPI WinThreadFunction(LPVOID lpParam)
{
UserData* userData = static_cast<UserData*>(lpParam);
userData->func(userData->param);
return 0;
}
}
class cv::cudacodec::detail::Thread::Impl
{
public:
Impl(Thread::Func func, void* userData)
{
userData_.func = func;
userData_.param = userData;
thread_ = CreateThread(
NULL, // default security attributes
0, // use default stack size
WinThreadFunction, // thread function name
&userData_, // argument to thread function
0, // use default creation flags
&threadId_); // returns the thread identifier
}
~Impl()
{
CloseHandle(thread_);
}
void wait()
{
WaitForSingleObject(thread_, INFINITE);
}
private:
UserData userData_;
HANDLE thread_;
DWORD threadId_;
};
#else
namespace
{
struct UserData
{
Thread::Func func;
void* param;
};
void* PThreadFunction(void* lpParam)
{
UserData* userData = static_cast<UserData*>(lpParam);
userData->func(userData->param);
return 0;
}
}
class cv::cudacodec::detail::Thread::Impl
{
public:
Impl(Thread::Func func, void* userData)
{
userData_.func = func;
userData_.param = userData;
pthread_create(&thread_, NULL, PThreadFunction, &userData_);
}
~Impl()
{
pthread_detach(thread_);
}
void wait()
{
pthread_join(thread_, NULL);
}
private:
pthread_t thread_;
UserData userData_;
};
#endif
cv::cudacodec::detail::Thread::Thread(Func func, void* userData) :
impl_(new Impl(func, userData))
{
}
void cv::cudacodec::detail::Thread::wait()
{
impl_->wait();
}
void cv::cudacodec::detail::Thread::sleep(int ms)
{
#ifdef WIN32
::Sleep(ms);
#else
::usleep(ms * 1000);
#endif
}
#endif // HAVE_NVCUVID