QueueIO.h

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/*
 * BufferedCameraLinkIO.h
 *
 *  Created on: Feb 9, 2015
 *      Author: mitycam
 */
 
#ifndef QUEUEIO_H_
#define QUEUEIO_H_
 
#include <list>
 
#include "IOChannel/IOChannel.h"
 
namespace SocCamera
{
 
class tcQueueWatcher {
public:
    tcQueueWatcher() {}
 
    virtual ~tcQueueWatcher() {}
 
    virtual void imageEnqueued() {}
 
    virtual void thresholdExceeded() {}
};
 
class tcQueueIO: public tcIOChannel
{
public:
    tcQueueIO(tcSensorBoard *apSensor);
 
    virtual ~tcQueueIO();
 
    virtual SocCamera::teNackCode capture(tsCaptureRequest asRequest);
 
    virtual void sendUpdate(tsNewFrameMsg *apMsg);
 
    virtual SocCamera::teNackCode setBpp(SocCamera::teBPPMode aeBppMode);
 
    void setThreshold(uint32_t anMaxSize);
 
    tsNewFrameMsg takeMessage();
 
    tcImage* takeImage();
 
    uint32_t currentSize();
 
    void flush();
 
    void registerWatcher(tcQueueWatcher *apNewWatcher);
 
    void unregisterWatcher(tcQueueWatcher *apWatcher);
 
private:
    uint32_t mnThreshold;
    uint32_t mnImagesQueued;
 
    enum teWatcherUpdate {
        eeNewImage,
        eeThreshold
    };
 
    void updateWatchers(teWatcherUpdate aeType);
 
    std::list<tcQueueWatcher*> mcWatchers;
 
    std::list<tsNewFrameMsg> mcQueue;
};
 
} /* namespace SocCamera */
 
#endif /* QUEUEIO_H_ */