vutil.h

三星ic 9980的源代码. 718版.

/******************************************************************************
 *   Filename    : Utilities.h
 *   Start       : 2002. 11. 11
 *   By          : Taejin Kwon
 *   Contact     : [e-mail]
 *   Description : 
 ******************************************************************************
 */
#ifndef	_VUTIL_H_
#define _VUTIL_H_
#define FBM_FRAME_COUNT							3
#define FR_QUART_PAL_SIZE							0x25200 //PAL : 352*(288+144)
#define FR_QUART_NTSC_SIZE							0x1EF00 //NTSC: 352*(240+120) 
#define INVALID_FRAME_INDEX						0xf

/* defines for Frame.state */
#define FB_USED_FOR_NOTHING_NOW					0x00000000
#define FB_USED_FOR_DECODING_NOW				0x00000001
#define FB_USED_FOR_SDOUT_NOW					0x00000002
#define FB_USED_FOR_3DIPC_NOW					0x00000004

#define	FBM_DISPLAY_NOT_YET_COMPLETED			0x00002100

#define	FBM_WAITING_FOR_FREE_PICTURE			0x00000100
#define	FBM_SUCCESS_FOR_GET_WRITE_PICTURE		0x00000400

#define PT_FREE_PICTURE								0x00000010	/* Free Buffer */
#define PT_USED_FOR_WRITE							0x00000040	/* Buffer filled */ 
#define PT_VALID_PICTURE							0x00000100	/* Valid Buffer */
#define PT_WAITING_TO_BE_SHOWN					0x00004000	/* Waiting to be shown */
#define PT_USED_FOR_READING						0x00010000	/* Buffer Read */

#define	V_BUFF_CURR_REF								0
#define	V_BUFF_PREV_REF								1


#define PICTURE_TYPE_I								0x01
#define PICTURE_TYPE_P								0x02
#define PICTURE_TYPE_B								0x03

typedef enum {
	FB_PLAY_ALL_FRAME,
	FB_PLAY_REF_FRAME,
	FB_PLAY_I_FRAME
}FB_MODE;

typedef void (*FBM_CALLBACK)(void);

typedef struct {
	/* 
		This structure manages 1 Decoded Frame
	*/
#if 1
	ULONG		FRAME_BUFF_Y_ADDR;    //9908俊辑绰 top bottom捞 狼固啊 绝绊 y point客 c point父阑 
	ULONG		FRAME_BUFF_C_ADDR;    //9908俊辑绰 top bottom捞 狼固啊 绝绊 y point客 c point父阑 	
	ULONG		state;
	UINT		picType; 				/* KBA #2805@2005#: Added */ 	//reserved1;
	
	UINT		TempRef; 				/* KBA #2805@2005#: Added */ 	//reserved1;	
	BOOL		bDecComplete;
	BOOL		bDispComplete;	
	UINT		bSequenceFlag;  // 0 or 1 	
#else
	UCHAR		*Y_TE_PTR;    //9908俊辑绰 top bottom捞 狼固啊 绝绊 y point客 c point父阑 
	UCHAR		*Y_TO_PTR;    //荤侩茄促. 
	UCHAR		*Y_BE_PTR;
	UCHAR		*Y_BO_PTR;	
	UINT 		state;
#endif 
} FrameBufferElement_t;

typedef struct {
	/* 
		common feature for Buffer Manager 
	*/
	ULONG		p_StartAddress;	/* start address of first BE (word aligned) */
	ULONG		p_StopAddress;	/* start address of first BE (word aligned) */

#if 		1
	
	/* sz_TotalBuffer must be (sz_Chunk*n_Chunk) */
	ULONG	sz_TotalBuffer;		/* size of Total buffer */

	ULONG	nValidRef;
	
	ULONG	iCurWriting; /* index of Reference Frame 1 */
	ULONG	iCurReading; /* index of Reference Frame 1 */		

	BOOL	bLastWrittenRef;

	UINT	validBPic;				/* Valid B Picture */	

	UINT	iRef0; /* index of Reference Frame 0 */
	UINT	iRef1; /* index of Reference Frame 1 */
#if 0	
	ULONG	toggleRef;
	ULONG	toggleNoRef;	
#endif	


	BOOL		gSeqFlag;	
	UINT		uiSeqArray[ 2 ];
	
	/* 
		current status of Buffer Manager 
	*/
	ULONG		status;
	FrameBufferElement_t F[FBM_FRAME_COUNT];		
#else

	/* sz_TotalBuffer must be (sz_Chunk*n_Chunk) */
	UINT		sz_TotalBuffer;		/* size of Total buffer */
	FrameBufferElement_t F[FBM_FRAME_COUNT];

	UINT	nValidRef;
	
	UINT	iCurWriting; /* index of Reference Frame 1 */
	UINT	iCurReading; /* index of Reference Frame 1 */		

	UINT	iRef0; /* index of Reference Frame 0 */
	UINT	iRef1; /* index of Reference Frame 1 */
	UINT	toggleRef;
	UINT	toggleNoRef;	
	/* 
		current status of Buffer Manager 
	*/
	UINT		status;

#endif 

	FBM_CALLBACK ReadFrameBufferAvailCallback;
	FBM_CALLBACK WriteFrameBufferAvailCallback;

} FrameBufferManager_t;


void InitFrameBufferManager(FrameBufferManager_t *fbm, ULONG p, ULONG	n, ULONG		szChunk);
ULONG	GetReadFrameBuffer(FrameBufferManager_t *fbm, FrameBufferElement_t **fb);
ULONG	PutReadFrameBuffer(FrameBufferManager_t *fbm, UINT uiReleasePicType );
ULONG	GetWriteFrameBuffer(FrameBufferManager_t *fbm, FrameBufferElement_t **fb, UINT	picture_type, UINT TempRef );
ULONG	PutWriteFrameBuffer(FrameBufferManager_t *fbm, UINT picture_type, BOOL bPrevFlag );
void ResetFrameBufferState(FrameBufferManager_t *fbm);
void SetFrameReadAvailCallback(FrameBufferManager_t *fbm,  FBM_CALLBACK func);
void SetFrameWriteAvailCallback(FrameBufferManager_t *fbm,  FBM_CALLBACK func);
#endif	/* _UTIL_H_ */