www.pudn.com > JM.rar > vlc.h

 
/*! 
 ************************************************************************ 
 * \file vlc.h 
 * 
 * \brief 
 *    header for (CA)VLC coding functions 
 * 
 * \author 
 *    Karsten Suehring 
 * 
 ************************************************************************ 
 */ 
 
#ifndef _VLC_H_ 
#define _VLC_H_ 
 
int se_v (char *tracestring, Bitstream *bitstream); 
int ue_v (char *tracestring, Bitstream *bitstream); 
int u_1 (char *tracestring, Bitstream *bitstream); 
int u_v (int LenInBits, char *tracestring, Bitstream *bitstream); 
 
// UVLC mapping 
void linfo_ue(int len, int info, int *value1, int *dummy); 
void linfo_se(int len, int info, int *value1, int *dummy); 
 
void linfo_cbp_intra(int len,int info,int *cbp, int *dummy); 
void linfo_cbp_inter(int len,int info,int *cbp, int *dummy); 
void linfo_levrun_inter(int len,int info,int *level,int *irun); 
void linfo_levrun_c2x2(int len,int info,int *level,int *irun); 
 
int  readSyntaxElement_VLC (SyntaxElement *sym, Bitstream *currStream); 
int  readSyntaxElement_UVLC(SyntaxElement *sym, struct img_par *img, struct inp_par *inp, struct datapartition *dp); 
int  readSyntaxElement_Intra4x4PredictionMode(SyntaxElement *sym, struct img_par *img, struct inp_par *inp, struct datapartition *dp); 
 
int  GetVLCSymbol (byte buffer[],int totbitoffset,int *info, int bytecount); 
int  GetVLCSymbol_IntraMode (byte buffer[],int totbitoffset,int *info, int bytecount); 
 
int readSyntaxElement_FLC(SyntaxElement *sym, Bitstream *currStream); 
int readSyntaxElement_NumCoeffTrailingOnes(SyntaxElement *sym,  DataPartition *dP, 
                                           char *type); 
int readSyntaxElement_NumCoeffTrailingOnesChromaDC(SyntaxElement *sym,  DataPartition *dP); 
int readSyntaxElement_Level_VLC0(SyntaxElement *sym, struct datapartition *dP); 
int readSyntaxElement_Level_VLCN(SyntaxElement *sym, int vlc, struct datapartition *dP); 
int readSyntaxElement_TotalZeros(SyntaxElement *sym,  DataPartition *dP); 
int readSyntaxElement_TotalZerosChromaDC(SyntaxElement *sym,  DataPartition *dP); 
int readSyntaxElement_Run(SyntaxElement *sym,  DataPartition *dP); 
int GetBits (byte buffer[],int totbitoffset,int *info, int bytecount,  
             int numbits); 
int ShowBits (byte buffer[],int totbitoffset,int bytecount, int numbits); 
 
int more_rbsp_data (byte buffer[],int totbitoffset,int bytecount); 
 
 
#endif