ntv2framegrabber.h

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/* SPDX-License-Identifier: MIT */
#ifndef NTV2FRAMEGRABBER_H
#define NTV2FRAMEGRABBER_H

#include <QBasicTimer>
#include <QtCore>
#if (QT_VERSION >= QT_VERSION_CHECK(5, 0, 0))
    #include <QtWidgets>
#else
    #include <QtGui>
#endif
#include <QThread>
#if (QT_VERSION >= QT_VERSION_CHECK(6, 0, 0))
#include <QtMultimedia>
#else
#include <QAudioOutput>
#endif
#include "ntv2card.h"
#include "ntv2enums.h"
#include "ntv2task.h"
#include "ntv2rp188.h"
#include "ajabase/common/types.h"
#include "ajabase/system/process.h"
#if defined (INCLUDE_AJACC)
    #include "ajacc/includes/ntv2captiondecoder608.h"
    #include "ajacc/includes/ntv2captiondecoder708.h"
#endif  //  INCLUDE_AJACC

#define QTPREVIEW_WIDGET_X (960)
#define QTPREVIEW_WIDGET_Y (540)



class NTV2FrameGrabber : public QThread
{
    Q_OBJECT

    //  Instance Methods
    public:
                        NTV2FrameGrabber (QObject * pInParentObject = NULL);

        virtual         ~NTV2FrameGrabber ();       

        void            SetInputSource (const NTV2InputSource inInputSource);

        inline void     SetWithAudio (const bool inWithAudio)                           {mbWithAudio = inWithAudio; mRestart = true;}

        void            SetDeviceIndex (const UWord inDeviceIndex);

        void            SetTimeCodeSource (const NTV2TCIndex inTCSource);

        UWord           GetDeviceIndex (void) const;

        inline void     CheckFor4kInput (const bool inCheckFor4K)                       {mCheckFor4K = inCheckFor4K;}

        inline void     SetDeinterlaceNonProgressiveVideo (const bool inDeinterlace)    {mDeinterlace = inDeinterlace;}

        inline bool     GetDeinterlaceNonProgressiveVideo (void) const                  {return mDeinterlace;}  

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

    protected:
        void            ClearCaptionBuffer (const bool inSignalClients = false);
        void            GrabCaptions (void);        


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

        void            newStatusString (const QString & inStatus);

        void            captionScreenChanged (const ushort * pInScreen);

    private slots:
        void            changeCaptionChannel (int id);  


    protected:
        virtual void    run (void);                 

        bool            SetupInput (void);          
        void            StopAutoCirculate (void);   
        void            SetupAudio (void);          

        void OutputAudio (ULWord * pInOutAudioBuffer, const ULWord inNumValidBytes);

        bool CheckForValidInput (void);

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

        bool IsInput3Gb (const NTV2InputSource inputSource);

    //  Instance Data
    private:
        bool                        mRestart;               
        bool                        mAbort;                 
        bool                        mCheckFor4K;            
        bool                        mDeinterlace;           
        bool                        mbFixedReference;

        CNTV2Card                   mNTV2Card;              
        UWord                       mBoardNumber;           
        NTV2DeviceID                mDeviceID;              
        NTV2Channel                 mChannel;               
        ULWord                      mNumChannels;           
        bool                        mTsi;                   
        NTV2VideoFormat             mCurrentVideoFormat;    
        NTV2LHIHDMIColorSpace       mCurrentColorSpace;     
        NTV2VideoFormat             mLastVideoFormat;       
        ULWord                      mDebounceCounter;       
        bool                        mFormatIsProgressive;   
        NTV2InputSource             mInputSource;           
        NTV2FrameSize               mFrameDimensions;       
        NTV2PixelFormat             mFrameBufferFormat;     
        AUTOCIRCULATE_TRANSFER      mTransferStruct;        
        NTV2TaskMode                mSavedTaskMode;         
        bool                        mDoMultiChannel;        

        bool                        mbWithAudio;            
#if (QT_VERSION < QT_VERSION_CHECK(6, 0, 0))
        QAudioOutput *              mAudioOutput;           
#else
        QAudioSink *                mAudioOutput;           
#endif
        QAudioFormat                mFormat;                
        QIODevice *                 mAudioDevice;           
        ULWord                      mNumAudioChannels;      
        NTV2AudioSystem             mAudioSystem;           

        std::string                 mTimeCode;              
        NTV2TCIndex                 mTimeCodeSource;        
        #if defined (INCLUDE_AJACC)
            CNTV2CaptionDecoder608Ptr   m608Decoder;        
            CNTV2CaptionDecoder708Ptr   m708Decoder;        
            ushort                      mScreenBuffer [15][32]; 

            static void                 Caption608Changed (void * pInstance, const NTV2Caption608ChangeInfo & inChangeInfo);
            void                        caption608Changed (const NTV2Caption608ChangeInfo & inChangeInfo);
        #endif  //  defined (INCLUDE_AJACC)

};  //  class NTV2FrameGrabber


#endif  //  NTV2FRAMEGRABBER_H