da/d04/ntv2streamgrabber_8h_source.html

/* 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"

#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 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);


        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;

        NTV2FrameDimensions         mFrameDimensions;

        NTV2FrameBufferFormat       mFrameBufferFormat;

        AUTOCIRCULATE_TRANSFER      mTransferStruct;

        NTV2EveryFrameTaskMode      mSavedTaskMode;

        bool                        mDoMultiChannel;


        bool                        mbWithAudio;

        QAudioOutput *              mAudioOutput;

        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 NTV2StreamGrabber


#endif  //  NTV2STREAMGRABBER_H