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89 lines
3.2 KiB
C++
89 lines
3.2 KiB
C++
// videoio to XAML bridge for OpenCV
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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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#include "opencv2\videoio\cap_winrt.hpp"
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#include "cap_winrt_capture.hpp"
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#include "cap_winrt_bridge.hpp"
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#include "cap_winrt_video.hpp"
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using namespace Windows::Foundation;
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using namespace Windows::Media::Capture;
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using namespace Windows::Media::MediaProperties;
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using namespace Windows::Devices::Enumeration;
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using namespace Windows::UI::Xaml::Media::Imaging;
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using namespace Microsoft::WRL;
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using namespace Platform;
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using namespace ::Concurrency;
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using namespace ::std;
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/***************************** VideoioBridge class ******************************/
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// non-blocking
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void VideoioBridge::requestForUIthreadAsync(int action, int widthp, int heightp)
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{
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reporter.report(action);
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}
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VideoioBridge& VideoioBridge::getInstance()
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{
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static VideoioBridge instance;
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return instance;
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}
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void VideoioBridge::swapInputBuffers()
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{
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// TODO: already locked, check validity
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// lock_guard<mutex> lock(inputBufferMutex);
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swap(backInputPtr, frontInputPtr);
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//if (currentFrame != frameCounter)
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//{
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// currentFrame = frameCounter;
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// swap(backInputPtr, frontInputPtr);
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//}
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}
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void VideoioBridge::swapOutputBuffers()
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{
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lock_guard<mutex> lock(outputBufferMutex);
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swap(frontOutputBuffer, backOutputBuffer);
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}
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void VideoioBridge::allocateOutputBuffers()
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{
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frontOutputBuffer = ref new WriteableBitmap(width, height);
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backOutputBuffer = ref new WriteableBitmap(width, height);
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}
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void VideoioBridge::imshow()
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{
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VideoioBridge::getInstance().swapOutputBuffers();
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VideoioBridge::getInstance().requestForUIthreadAsync(cv::UPDATE_IMAGE_ELEMENT);
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}
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// end
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