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OpenCV Buildbot
2012-10-17 03:18:30 +04:00
committed by Andrey Kamaev
parent 69020da607
commit 04384a71e4
1516 changed files with 258846 additions and 258162 deletions
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modules/gpu/src/frame_queue.h
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@@ -1,103 +1,103 @@
/*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.
// 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*/
#ifndef __FRAME_QUEUE_H__
#define __FRAME_QUEUE_H__
#include "precomp.hpp"
#include "thread_wrappers.h"
#if defined(HAVE_CUDA) && !defined(__APPLE__)
namespace cv { namespace gpu
{
namespace detail
{
class FrameQueue
{
public:
static const int MaximumSize = 20; // MAX_FRM_CNT;
FrameQueue();
void endDecode() { endOfDecode_ = true; }
bool isEndOfDecode() const { return endOfDecode_ != 0;}
// Spins until frame becomes available or decoding gets canceled.
// If the requested frame is available the method returns true.
// If decoding was interupted before the requested frame becomes
// available, the method returns false.
bool waitUntilFrameAvailable(int pictureIndex);
void enqueue(const CUVIDPARSERDISPINFO* picParams);
// Deque the next frame.
// Parameters:
// displayInfo - New frame info gets placed into this object.
// Returns:
// true, if a new frame was returned,
// false, if the queue was empty and no new frame could be returned.
bool dequeue(CUVIDPARSERDISPINFO& displayInfo);
void releaseFrame(const CUVIDPARSERDISPINFO& picParams) { isFrameInUse_[picParams.picture_index] = false; }
private:
FrameQueue(const FrameQueue&);
FrameQueue& operator =(const FrameQueue&);
bool isInUse(int pictureIndex) const { return isFrameInUse_[pictureIndex] != 0; }
CriticalSection criticalSection_;
volatile int isFrameInUse_[MaximumSize];
volatile int endOfDecode_;
int framesInQueue_;
int readPosition_;
CUVIDPARSERDISPINFO displayQueue_[MaximumSize];
};
}
}}
#endif // HAVE_CUDA
#endif // __FRAME_QUEUE_H__
/*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.
// 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*/
#ifndef __FRAME_QUEUE_H__
#define __FRAME_QUEUE_H__
#include "precomp.hpp"
#include "thread_wrappers.h"
#if defined(HAVE_CUDA) && !defined(__APPLE__)
namespace cv { namespace gpu
{
namespace detail
{
class FrameQueue
{
public:
static const int MaximumSize = 20; // MAX_FRM_CNT;
FrameQueue();
void endDecode() { endOfDecode_ = true; }
bool isEndOfDecode() const { return endOfDecode_ != 0;}
// Spins until frame becomes available or decoding gets canceled.
// If the requested frame is available the method returns true.
// If decoding was interupted before the requested frame becomes
// available, the method returns false.
bool waitUntilFrameAvailable(int pictureIndex);
void enqueue(const CUVIDPARSERDISPINFO* picParams);
// Deque the next frame.
// Parameters:
// displayInfo - New frame info gets placed into this object.
// Returns:
// true, if a new frame was returned,
// false, if the queue was empty and no new frame could be returned.
bool dequeue(CUVIDPARSERDISPINFO& displayInfo);
void releaseFrame(const CUVIDPARSERDISPINFO& picParams) { isFrameInUse_[picParams.picture_index] = false; }
private:
FrameQueue(const FrameQueue&);
FrameQueue& operator =(const FrameQueue&);
bool isInUse(int pictureIndex) const { return isFrameInUse_[pictureIndex] != 0; }
CriticalSection criticalSection_;
volatile int isFrameInUse_[MaximumSize];
volatile int endOfDecode_;
int framesInQueue_;
int readPosition_;
CUVIDPARSERDISPINFO displayQueue_[MaximumSize];
};
}
}}
#endif // HAVE_CUDA
#endif // __FRAME_QUEUE_H__