global.h

h263,jpeg,mpeg2编解码核心程序(TI DSP C64xx)

/* ======================================================================== */
/*  global.h                                                                */
/* ------------------------------------------------------------------------ */
/*            Copyright (c) 2002 Texas Instruments, Incorporated.           */
/*                           All Rights Reserved.                           */
/* ======================================================================== */

#include "mpeg2_vld_intra_h.h"   /* define IMG_mpeg2_vld structure          */

#define BSBUF_SIZE  512          /* bitstream buffer size in 32-bit words   */
#define NUM_MB      2

typedef struct 
{
    /* any user-defined elements */

    IMG_mpeg2_vld   mpeg2_vld_cont;
    
    /* any user-defined elements */

} MPEG2DEC_INFO;

/* ------------------------------------------------------------------------ */
/*  MPEG-2 quantization and inverse zigzag tables                           */
/* ------------------------------------------------------------------------ */
extern const short Warr[64];
extern const short Warr_inter[64];
extern const unsigned char izigzag_tbl[64];
extern const unsigned char izigzag_tbl1[64];