tidtv_avinput.h

来自「ti的数字电视芯片 tvp9000的源码」· C头文件 代码 · 共 60 行

/*******************************************************************************
*	@ModuleName  ::	TiDTV_AvInput.h
*	
*	@Copyright	 ::	Copyright 2005- Texas Instruments, Inc.
*	
*	@Description ::	Constants and definitions for AV Input Handling Task
*	
*	@History     ::
*---------------------------------------
*	03-15-2005	W.Shi	Created
*******************************************************************************/

#ifndef	_TI_DTV_AV_INPUT_H_
#define	_TI_DTV_AV_INPUT_H_

// the incoming video stream information
typedef struct _TI_DTV_PICTURE_INF_ {
	ULONG	Width;				// # of pixels width of incoming video
	ULONG	Height;				// # of lines height of incoming video
	ULONG	AspectRatio;		// Aspect ratio of incoming video
	ULONG	ProgressiveFlag;	// Progressive (1) or Interlaced video
	ULONG	FrameRate;			// Frame Rate of incoming video
} TI_DTV_PICTURE_INF;

// the Display (output video) information
typedef struct _TI_DTV_DISPLAY_INF_ {
	UCHAR	PanelSize;			// the flag of Panel Size: 480i/480p/720p/1080i/WVGA/WXGA/1080p
	USHORT	Width;				// # of pixels width of the Display
	USHORT	Height;				// # of lines height of the Display
	UCHAR	AspectRatio;		// Aspect ratio of the Display
	UCHAR	ProgressiveFlag;	// Progressive (1) or Interlaced of the Display
} TI_DTV_DISPLAY_INF;

//------------------------------------------------------------
//	Defined in "TiDTV_AvInit.c"
//
extern TI_DTV_PICTURE_INF TiDTV_PictureInf;
extern TI_DTV_DISPLAY_INF TiDTV_DisplayInf;

void TiDTV_InitTPP(void);
void TiDTV_InitAudio(void);
void TiDTV_InitVideo(void);
void TiDTV_VideoConfig(void);
int TiDTV_EnableVideoAudio(USHORT VideoPID, USHORT AudioPID, USHORT PcrPID);
int TiDTV_DisableCurVideoAudio(void);

//------------------------------------------------------------
//	Defined in "TiDTV_AvInput.c"
//
void TiDTV_AutoTvChanScanTask(void *pArg);
void TiDTV_AutoTvChanScanTaskStartup(int ScanFlag);
void TiDTV_AutoTvChanScanTaskCleanup(void);
int  TiDTV_CheckAutoTvChanScanTaskStatus(void);
void TiDTV_TvChanUp(void);
void TiDTV_TvChanDown(void);
int TiDTV_GetProgIndexViaMajorChanNo(UINT16 MajorChanNo);

#endif	/* _TI_DTV_AV_INPUT_H_ */