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71 lines
2.7 KiB
C++
71 lines
2.7 KiB
C++
// Capture support for WinRT
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// Copyright (c) Microsoft Open Technologies, Inc.
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// All rights reserved.
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//
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// (3 - clause BSD License)
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//
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// Redistribution and use in source and binary forms, with or without modification, are permitted provided that
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// the following conditions are met:
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//
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// 1. Redistributions of source code must retain the above copyright notice, this list of conditions and the
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// following disclaimer.
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// 2. Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the
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// following disclaimer in the documentation and/or other materials provided with the distribution.
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// 3. Neither the name of the copyright holder nor the names of its contributors may be used to endorse or
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// promote products derived from this software without specific prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED
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// WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
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// PARTICULAR PURPOSE ARE DISCLAIMED.IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY
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// DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES(INCLUDING, BUT NOT LIMITED TO,
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// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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// HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT(INCLUDING
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// NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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// POSSIBILITY OF SUCH DAMAGE.
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#pragma once
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#include "precomp.hpp"
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#include <mutex>
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#include <memory>
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#include <condition_variable>
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#include <atomic>
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#include <agile.h>
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// nb. implemented the newer IVideoCapture C++ interface so that we can work
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// directly with Mat, not the older C cv interface
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// (which may have added overhead for IPL file conversion)
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namespace cv {
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class VideoCapture_WinRT : public IVideoCapture
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{
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public:
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VideoCapture_WinRT() : started(false) {}
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VideoCapture_WinRT(int device);
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virtual ~VideoCapture_WinRT() {}
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// from base class IVideoCapture
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virtual double getProperty(int) { return 0; }
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virtual bool setProperty(int, double);
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virtual bool grabFrame();
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virtual bool retrieveFrame(int channel, cv::OutputArray outArray);
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// Return the type of the capture object
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virtual int getCaptureDomain() { return CAP_WINRT; }
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virtual bool isOpened() const;
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protected:
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bool started;
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CvSize size;
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int bytesPerPixel;
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unsigned long frameCurrent;
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std::atomic<bool> isFrameNew;
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};
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} |