ntv2streamgrabber.h

Go to the documentation of this file.

/* SPDX-License-Identifier: MIT */
#ifndef NTV2STREAMGRABBER_H
#define NTV2STREAMGRABBER_H

#include <QBasicTimer>
#include <QtCore>
#if (QT_VERSION >= QT_VERSION_CHECK(5, 0, 0))
    #include <QtWidgets>
#else
    #include <QtGui>
#endif
#include <QThread>
#include <QtMultimedia>
#include "ntv2card.h"
#include "ntv2enums.h"

#define STREAMPREVIEW_WIDGET_X (960)
#define STREAMPREVIEW_WIDGET_Y (540)



class NTV2StreamGrabber : public QThread
{
    Q_OBJECT

    //  Instance Methods
    public:
                        NTV2StreamGrabber (QObject * pInParentObject = NULL);

        virtual         ~NTV2StreamGrabber ();      

        void            SetInputSource (const NTV2InputSource inInputSource);

        void            SetDeviceIndex (const UWord inDeviceIndex);

        UWord           GetDeviceIndex (void) const;

        void            SetFixedReference(bool fixed)                                   {mbFixedReference = fixed;}

    protected:

    signals:
        void            newFrame (const QImage &inImage, const bool inClear);

        void            newStatusString (const QString & inStatus);

    private slots:

    protected:
        virtual void    run (void);                 

        bool            SetupInput (void);          
        void            StopStream (void);          

        bool CheckForValidInput (void);

        NTV2VideoFormat GetVideoFormatFromInputSource (void);
        NTV2LHIHDMIColorSpace GetColorSpaceFromInputSource (void);

        bool IsInput3Gb (const NTV2InputSource inputSource);

    //  Instance Data
    private:
        bool                    mRestart;               
        bool                    mAbort;                 
        bool                    mbFixedReference;
        CNTV2Card               mNTV2Card;              
        UWord                   mBoardNumber;           
        NTV2DeviceID            mDeviceID;              
        NTV2Channel             mChannel;               
        NTV2Channel             mStream;                
        NTV2VideoFormat         mCurrentVideoFormat;    
        NTV2LHIHDMIColorSpace   mCurrentColorSpace;     
        NTV2VideoFormat         mLastVideoFormat;       
        ULWord                  mDebounceCounter;       
        bool                    mFormatIsProgressive;   
        NTV2InputSource         mInputSource;           
        NTV2FrameSize           mFrameDimensions;       
        NTV2PixelFormat         mFrameBufferFormat;     
        NTV2TaskMode            mSavedTaskMode;         
        bool                    mDoMultiChannel;        

};  //  class NTV2StreamGrabber


#endif  //  NTV2STREAMGRABBER_H