svcd.h

代码有点长,需细心阅读,仅供影音视听类产品的开发人员参考

#ifndef	__SVCD_H
#define	__SVCD_H

/*
** STRUCTURE
** t_sect_info
**
** DESCRIPTION
** INFO SECTION structure for VCD/SVCD/CVD
**
** NOTE: located at 00:04:00
*/
typedef struct
{
	char    file_id[8];						/* 1 to 8 */
	UINT16  version;							/* 9 to 10  */
	char    album_id[16];					/* 11 to 26 */
	UINT16  album_no;							/* 27 to 28 */
	UINT16  album_seq;						/* 29 to 30 */
	BYTE    size_map_vcd[13];			/* 31 to 43 */
	BYTE    status;								/* 44   */
	UINT32  psd_size;							/* 45 to 48 */
	BYTE    first_segment_mm_bcd;	/* 49     */
	BYTE    first_segment_ss_bcd;	/* 50     */
	BYTE    first_segment_ff_bcd;	/* 51     */
	BYTE    psd_offset_multiplier;	/* 52   */
	UINT16  maximum_list_id;			/* 53 to 54 */
	UINT16  maximum_segment_id;		/* 55 to 56 */
	BYTE    segment_play_table[1980];	/* 57 to 2036 */
	BYTE    status_extension;			/* 2037 (svcd)  */
	BYTE    disc_type;						/* 2038 (svcd)  */
	BYTE    reserved[10];					/* 2039 to 2048 */
}
t_sect_info;


/*
** VCD status definition
*/
#define	VCD_STATUS_USERDATA	0x10
#define	VCD_STATUS_LISTID_2	0x20
#define	VCD_STATUS_TRACK_3	0x40

/*
** SEGMENT audio definition
*/
#define	VCD_SEG_AUDIO_NONE	0x00
#define	VCD_SEG_AUDIO_SINGLE	0x01
#define	VCD_SEG_AUDIO_STEREO	0x02
#define	VCD_SEG_AUDIO_DUAL	0x03

/*
** SEGMENT video definition
*/
#define	VCD_SEG_VIDEO_NONE		0x00
#define	VCD_SEG_VIDEO_LO_STILL_NTSC	0x01	/* 352x240  */
#define	VCD_SEG_VIDEO_HI_STILL_NTSC	0x02	/* 704x480  */
#define	VCD_SEG_VIDEO_LO_MOTION_NTSC	0x03	/* 352x240  */
#define	VCD_SEG_VIDEO_RESERVED		0x04
#define	VCD_SEG_VIDEO_LO_STILL_PAL	0x05	/* 352x288  */
#define	VCD_SEG_VIDEO_HI_STILL_PAL	0x06	/* 704x576  */
#define	VCD_SEG_VIDEO_LO_MOTION_PAL	0x07	/* 352x288  */

/* SVCD/CVD - similiar to VCD but the LO_STILL is 2/3 D1 */
#define	SVCD_SEG_VIDEO_NONE		0x00
#define	SVCD_SEG_VIDEO_LO_STILL_NTSC	0x01	/* 2/3 D1   */
#define	SVCD_SEG_VIDEO_HI_STILL_NTSC	0x02	/* D1   */
#define	SVCD_SEG_VIDEO_LO_MOTION_NTSC	0x03
#define	SVCD_SEG_VIDEO_RESERVED		0x04
#define	SVCD_SEG_VIDEO_LO_STILL_PAL	0x05
#define	SVCD_SEG_VIDEO_HI_STILL_PAL	0x06
#define	SVCD_SEG_VIDEO_LO_MOTION_PAL	0x07

/*
** SVCD SEGMENT audio information extension.
*/
#define	SVCD_SEG_AUDIO_EXT


/*
** STRUCTURE
** t_sect_entries
**
** DESCRIPTION
** ENTRY SECTION structure for VCD/SVCD/CVD
**
** NOTE: located at 00:04:01
**
**  0- 7	: FILE_ID	("ENTRYVCD")
**  8- 9	: VERSION
** 10-11	: USED ENTRIES
** 12-2011	: ENTRIES[]
*/
typedef struct
{
	char    file_id[8];
	UINT16  version;
	UINT16  entries_used;
	UINT32  entry[500];
}
t_sect_entries;

#endif/*__SVCD_H*/