/* Copyright 1996, ESS Technology, Inc.					*//* SCCSID @(#)mpeg1def.h	1.10 12/9/97 *//* * Renamed from version 1.6 of mpeg1defs.h */#ifndef _MPEG1DEFS_H_#define _MPEG1DEFS_H_/* to differentiate from mpeg2 */#include "common.h"/************************************************************ * limits definition ************************************************************//* Video decode limits, double for videoCD2.0 */#define MAX_HORIZ_SZ_E2 (704>>2)#define MAX_HORIZ_SZ_E0 (352>>2)#define MAX_VERT_SZ_E2 576#define MAX_VERT_SZ_E0 288/* prefix: mpeg1/MPEG1 */#define MPEG1_DSTART_QUANT	(2268+ADJUST_4_LINE)/************************************************************ * start code definition * also used as HuffState in mpeg1vid.c ************************************************************//* * Following defintions are the last byte of MPEG start codes and stream  * IDs. In the actual bit stream, each start code/stream ID is a 32b * value. The top 3 bytes are 000001h */#define	MPEG_PIC_SC		0x00	/* Picture start code		*/#define	MPEG_SLICE_SC		0x01	/* Slice start code (01-AF)	*/#define	MPEG_UD_SC		0xb2	/* User data start code		*/#define	MPEG_SEQ_SC		0xb3	/* Sequence header code		*/#define	MPEG_EXT_SC		0xb5	/* Extension start code		*/#define	MPEG_SEQ_EC		0xb7	/* Sequence end code		*/#define	MPEG_GOP_SC		0xb8	/* Group start code		*/#define	MPEG_PACK_SC		0xba	/* Pack start code		*/#define	MPEG_RESV_SC		0xbc	/* Reserved stream start code	*/#define	MPEG_PVT1_SC		0xbd	/* Private stream 1 start code	*/#define	MPEG_PAD_SC		0xbe	/* Padding stream start code	*/#define	MPEG_PVT2_SC		0xbf	/* Private stream 2 start code	*/#define	MPEG_MIN_SLICE_SC	0x01	/* Min. slice start code	*/#define	MPEG_MAX_SLICE_SC	0xaf	/* Max. slice start code	*/#define	MPEG_MIN_PKT_ID		0xbc	/* Min. stream ID code		*/#define	MPEG_MAX_PKT_ID		0xff	/* Max. stream ID code		*//************************************************************ * vcx_status: bit representation ************************************************************/#define vs_see_b9		0x1#define vs_see_b7		0x2	/* Found sequence end code	*/#define vs_play			0x4#define vs_init			0x8#define vs_seek			0x10#define vs_pause		0x20#endif /* _MPEG1DEFS_H_ */