98 lines
3.1 KiB
C++
98 lines
3.1 KiB
C++
/*=============================================================================
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Copyright (C) 2012 - 2016 Allied Vision Technologies. All Rights Reserved.
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Redistribution of this file, in original or modified form, without
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prior written consent of Allied Vision Technologies is prohibited.
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-------------------------------------------------------------------------------
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File: FrameObserver.h
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Description: The frame observer that is used for notifications from VimbaCPP
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regarding the arrival of a newly acquired frame.
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-------------------------------------------------------------------------------
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THIS SOFTWARE IS PROVIDED BY THE AUTHOR "AS IS" AND ANY EXPRESS OR IMPLIED
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WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF TITLE,
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NON-INFRINGEMENT, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
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INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
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TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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=============================================================================*/
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#ifndef AVT_VMBAPI_EXAMPLES_FRAMEOBSERVER
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#define AVT_VMBAPI_EXAMPLES_FRAMEOBSERVER
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#include <queue>
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#include <QObject>
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#include <QMutex>
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#include <VimbaCPP/Include/VimbaCPP.h>
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namespace AVT {
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namespace VmbAPI {
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namespace Examples {
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class FrameObserver : public QObject, virtual public IFrameObserver
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{
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Q_OBJECT
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public:
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//
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// We pass the camera that will deliver the frames to the constructor
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//
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// Parameters:
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// [in] pCamera The camera the frame was queued at
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//
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FrameObserver( CameraPtr pCamera ) : IFrameObserver( pCamera ) {;}
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//
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// This is our callback routine that will be executed on every received frame.
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// Triggered by the API.
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//
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// Parameters:
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// [in] pFrame The frame returned from the API
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//
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virtual void FrameReceived( const FramePtr pFrame );
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//
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// After the view has been notified about a new frame it can pick it up.
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// It is then removed from the internal queue
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//
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// Returns:
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// A shared pointer to the latest frame
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//
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FramePtr GetFrame();
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//
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// Clears the internal (double buffering) frame queue
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//
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void ClearFrameQueue();
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private:
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// Since a Qt signal cannot contain a whole frame
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// the frame observer stores all FramePtr
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std::queue<FramePtr> m_Frames;
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QMutex m_FramesMutex;
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signals:
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//
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// The frame received event (Qt signal) that notifies about a new incoming frame
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//
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// Parameters:
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// [out] status The frame receive status
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//
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void FrameReceivedSignal( int status );
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};
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}}} // namespace AVT::VmbAPI::Examples
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#endif
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