77 lines
2.9 KiB
C++
77 lines
2.9 KiB
C++
/*=============================================================================
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Copyright (C) 2012 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: FrameHandler.cpp
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Description: Implementation of class AVT::VmbAPI::FrameHandler.
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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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#include "VimbaCPP/Source/FrameHandler.h"
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#include "VimbaCPP/Include/LoggerDefines.h"
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#include "VimbaCPP/Source/MutexGuard.h"
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namespace AVT {
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namespace VmbAPI {
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FrameHandler::FrameHandler( FramePtr pFrame, IFrameObserverPtr pFrameObserver )
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: m_pFrame( pFrame )
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, m_pObserver( pFrameObserver )
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, m_pMutex( new AVT::VmbAPI::Mutex() )
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{
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}
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FramePtr FrameHandler::GetFrame() const
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{
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return m_pFrame;
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}
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void VMB_CALL FrameHandler::FrameDoneCallback( const VmbHandle_t /*handle*/, VmbFrame_t *pVmbFrame )
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{
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if ( NULL != pVmbFrame )
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{
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FrameHandler* pFrameHandler = reinterpret_cast<FrameHandler*>( pVmbFrame->context[FRAME_HDL] );
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if ( NULL != pFrameHandler)
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{
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// Begin read lock frame handler
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MutexGuard local_lock( pFrameHandler->Mutex() );
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{
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IFrameObserverPtr pObs;
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if ( true == SP_ACCESS( pFrameHandler->m_pFrame )->GetObserver( pObs ))
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{
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SP_ACCESS( pObs )->FrameReceived( pFrameHandler->m_pFrame );
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}
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}// scope to destroy observer pointer before releasing the lock
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}
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else // No FrameHandler
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{
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LOG_FREE_TEXT( "No frame handler passed. Frame has been removed from the frame queue." )
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}
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}
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else // pVmbFrame == NULL (Just for safety)
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{
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LOG_FREE_TEXT( "Received callback for already freed frame." )
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}
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}
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}}
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