cxVideoConnection.h

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/*=========================================================================
This file is part of CustusX, an Image Guided Therapy Application.

Copyright (c) 2008-2014, SINTEF Department of Medical Technology
All rights reserved.

Redistribution and use in source and binary forms, with or without 
modification, are permitted provided that the following conditions are met:

1. Redistributions of source code must retain the above copyright notice, 
   this list of conditions and the following disclaimer.

2. Redistributions in binary form must reproduce the above copyright notice, 
   this list of conditions and the following disclaimer in the documentation 
   and/or other materials provided with the distribution.

3. Neither the name of the copyright holder nor the names of its contributors 
   may be used to endorse or promote products derived from this software 
   without specific prior written permission.

THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 
AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 
IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 
DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE 
FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 
DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 
SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER 
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=========================================================================*/
#ifndef CXOPENIGTLINKRTSOURCE_H_
#define CXOPENIGTLINKRTSOURCE_H_

#include "org_custusx_core_video_Export.h"

#include <vector>
#include <map>
#include <boost/array.hpp>
#include "cxForwardDeclarations.h"

typedef vtkSmartPointer<class vtkImageImport> vtkImageImportPtr;
typedef vtkSmartPointer<class vtkImageAlgorithm> vtkImageAlgorithmPtr;
typedef boost::shared_ptr<QThread> QThreadPtr;

namespace cx
{
typedef boost::shared_ptr<class ProbeDefinition> ProbeDefinitionPtr;
typedef boost::shared_ptr<class StreamerService> StreamerServicePtr;
typedef boost::shared_ptr<class ImageReceiverThread> ImageReceiverThreadPtr;
typedef boost::shared_ptr<class BasicVideoSource> BasicVideoSourcePtr;
typedef boost::shared_ptr<class VideoServiceBackend> VideoServiceBackendPtr;

class org_custusx_core_video_EXPORT VideoConnection : public QObject
{
        Q_OBJECT

public:
        explicit VideoConnection(VideoServiceBackendPtr backend);
        virtual ~VideoConnection();
        virtual bool isConnected() const;
        void disconnectServer();
        void runDirectLinkClient(StreamerService* service);
        std::vector<VideoSourcePtr> getVideoSources();

signals:
        bool connected(bool);
        void fps(QString source, int fps);
        void videoSourcesChanged();

private slots:
        void clientFinishedSlot();
        void imageReceivedSlot();
        void statusReceivedSlot();
        void fpsSlot(QString, double fps);
        void connectedSlot(bool on);
        void connectVideoToProbe();
        void useUnusedProbeDataSlot();

private:
        void cleanupAfterDisconnectServer();
        StreamerServicePtr getStreamerInterface();
        void updateImage(ImagePtr message); // called by receiving thread when new data arrives.
        void runClient(ImageReceiverThreadPtr client);
        void stopClient(); 
        void resetProbe();
        void updateStatus(ProbeDefinitionPtr message);
        void startAllSources();
        void stopAllSources();
        void removeSourceFromProbe(ToolPtr tool);

        ImageReceiverThreadPtr mClient;
        QThreadPtr mThread;

        bool mConnected;
        double mFPS;
        std::vector<ProbeDefinitionPtr> mUnsusedProbeDataVector;
        std::vector<BasicVideoSourcePtr> mSources;
        VideoServiceBackendPtr mBackend;
        StreamerServicePtr mStreamerInterface;
};
typedef boost::shared_ptr<VideoConnection> VideoConnectionPtr;

} // namespace cx

#endif /* CXOPENIGTLINKRTSOURCE_H_ */