ntv2overlay.h

Go to the documentation of this file.

/* SPDX-License-Identifier: MIT */
#ifndef _NTV2OVERLAY_H
#define _NTV2OVERLAY_H

#include "ntv2card.h"
#include "ntv2formatdescriptor.h"
#include "ntv2democommon.h"
#include "ajabase/system/thread.h"

typedef BurnConfig  OverlayConfig;


class NTV2Overlay
{
    //  Public Instance Methods
    public:
                        NTV2Overlay (const OverlayConfig & inConfig);   
        virtual         ~NTV2Overlay ();                
        AJAStatus       Init (void);                    
        AJAStatus       Run (void);                     
        void            Quit (void);                    

    //  Protected Instance Methods
    protected:
        AJAStatus       SetupVideo (void);              
        AJAStatus       SetupAudio (void);              
        AJAStatus       SetupCaptureBuffers (void);     
        void            ReleaseCaptureBuffers (void);   
        AJAStatus       SetupOverlayBug (void);         
        NTV2VideoFormat WaitForStableInputSignal (void);
        bool            IsInputSignalRGB (void);        
        void            RouteInputSignal (void);        
        void            RouteOverlaySignal (void);      
        void            RouteOutputSignal (void);       
        void            StartOutputThread (void);       
        void            OutputThread (void);            
        void            StartInputThread (void);        
        void            InputThread (void);             
        inline UWord    MixerNum (void) {return mConfig.fInputChannel / 2;} 

    //  Protected Class Methods
    protected:
        static void OutputThreadStatic (AJAThread * pThread, void * pInstance); 
        static void InputThreadStatic (AJAThread * pThread, void * pInstance);  

    //  Private Member Data
    private:
        OverlayConfig           mConfig;            
        AJAThread               mPlayThread;        
        AJAThread               mCaptureThread;     
        CNTV2Card               mDevice;            
        NTV2VideoFormat         mVideoFormat;       
        NTV2Buffer              mBug;               
        NTV2RasterInfo          mBugRasterInfo;     
        NTV2TaskMode            mSavedTaskMode;     
        NTV2FrameDataArray      mBuffers;           
        FrameDataRingBuffer     mAVCircularBuffer;  
        const NTV2PixelFormat   mInputPixFormat;    
        const NTV2PixelFormat   mOutputPixFormat;   
        bool                    mGlobalQuit;        

};  //  NTV2Overlay

#endif  //  _NTV2OVERLAY_H