DCFrameQueue.h

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/********************************************************************
**                Image Component Library (ICL)                    **
**                                                                 **
** Copyright (C) 2006-2013 CITEC, University of Bielefeld          **
**                         Neuroinformatics Group                  **
** Website: www.iclcv.org and                                      **
**          http://opensource.cit-ec.de/projects/icl               **
**                                                                 **
** File   : ICLIO/src/ICLIO/DCFrameQueue.h                         **
** Module : ICLIO                                                  **
** Authors: Christof Elbrechter                                    **
**                                                                 **
**                                                                 **
** GNU LESSER GENERAL PUBLIC LICENSE                               **
** This file may be used under the terms of the GNU Lesser General **
** Public License version 3.0 as published by the                  **
**                                                                 **
** Free Software Foundation and appearing in the file LICENSE.LGPL **
** included in the packaging of this file.  Please review the      **
** following information to ensure the license requirements will   **
** be met: http://www.gnu.org/licenses/lgpl-3.0.txt                **
**                                                                 **
** The development of this software was supported by the           **
** Excellence Cluster EXC 277 Cognitive Interaction Technology.    **
** The Excellence Cluster EXC 277 is a grant of the Deutsche       **
** Forschungsgemeinschaft (DFG) in the context of the German       **
** Excellence Initiative.                                          **
**                                                                 **
********************************************************************/

#pragma once

#include <ICLIO/DC.h>
#include <ICLIO/DCDeviceOptions.h>

#include <ICLUtils/Mutex.h>
#include <queue>

namespace icl{
  namespace io{

    namespace dc{


      class DCFrameQueue{
        public:
        ICLIO_API DCFrameQueue(dc1394camera_t* c, DCDeviceOptions *options,int nDMABuffers=5, int nQueuedBuffers=1);

        ICLIO_API ~DCFrameQueue();


        ICLIO_API void step();


        inline dc1394video_frame_t *front() { return q.front(); }


        inline dc1394video_frame_t *back() { return q.back(); }

        inline void lock() { mutex.lock(); }

        inline void unlock() { mutex.unlock(); }


        ICLIO_API void push(dc1394video_frame_t *f);


        ICLIO_API dc1394video_frame_t *pop();

        ICLIO_API void showDetails() const;

        ICLIO_API void resetBus();

        private:
        std::queue<dc1394video_frame_t*> q;

        utils::Mutex mutex;

        dc1394camera_t *m_poCam;

        int m_iBuffers;

        int m_iQueuedBuffers;
      };
    }
  } // namespace io
}