vlc.h

davinci avs.......................................................

/*!
 ***************************************************************************
 * \file
 *     vlc.h
 *
 * \brief
 *   
 *    
 *
 * \date
 *    01. Apr 2005
 ***************************************************************************
 */


#ifndef _VLC_H_
#define _VLC_H_

// dongjie
extern const char VLC_INTRA[7][16][16];
extern const char VLC_INTER[7][16][14]; 
extern const char VLC_CHROMA[4][16][13];
extern const char VLC_GC_Order_INTRA[7][2];
extern const char VLC_GC_Order_INTER[7][2]; 
extern const char VLC_GC_Order_CHROMA[4][2];
extern char       VLC_INTRA_dec[7][40][2];
extern char       VLC_INTER_dec[7][40][2]; 
extern char       VLC_CHROMA_dec[4][40][2];
// end
int se_v (char *tracestring);
int ue_v (char *tracestring);
//int u_1 (char *tracestring);
int u_v (int LenInBits, char *tracestring);
int search_ue_code (int totbitoffset);//WJP FOR SLICE_HEADER 050320

// UVLC mapping
void mapping_ue(int len, int info, int *value1);
void mapping_se(int len, int info, int *value1);

void read_cbp_intra(int len,int info,int *cbp);
void read_cbp_inter(int len,int info,int *cbp);
void readChromaCoeff_4x4_UVLC(int b8, int b4);    //qwang 2004-4-27
void readLumaCoeff_4x4_UVLC(int b8, int b4);   //qwang 2004-4-27

int  read_VLC (SyntaxElement *sym);
int  read_UVLC(SyntaxElement *sym);

int  GetVLCSymbol (int *info);
int  GetIntraMode (byte buffer[],int totbitoffset,int *info, int bytecount);
int  GetVLCSymbol_refidx (int *info);

int read_FLC(SyntaxElement *sym);
int GetBits (byte buffer[],int totbitoffset,int *info, int bytecount, int numbits);

int read_Intra4x4PredictionMode(SyntaxElement *sym);   //qwang 2004-3-9
UINT32 decode_golomb_word(unsigned char **buffer,unsigned int *bitoff,unsigned int grad0,unsigned int max_levels);
UINT32 decode_multilayer_golomb_word( unsigned char **buffer,unsigned int *bitoff, unsigned int *grad0, unsigned int *max_levels);

int  read_GOLOMB(SyntaxElement *sym);




#endif