H.264/AVC Reference Software Encoder: vlc.h Source File

00001 
00002 /*!
00003  *************************************************************************************
00004  * \file vlc.h
00005  *
00006  * \brief
00007  *    Prototypes for VLC coding funtions
00008  * \author
00009  *     Karsten Suehring
00010  *************************************************************************************
00011  */
00012 
00013 #ifndef _VLC_H_
00014 #define _VLC_H_
00015 
00016 #include "enc_statistics.h"
00017 
00018 Boolean u_1  (char *tracestring, int value, Bitstream *bitstream);
00019 int se_v (char *tracestring, int value, Bitstream *bitstream);
00020 int ue_v (char *tracestring, int value, Bitstream *bitstream);
00021 int u_v  (int n, char *tracestring, int value, Bitstream *bitstream);
00022 
00023 void levrun_linfo_c2x2(int level,int run,int *len,int *info);
00024 void levrun_linfo_inter(int level,int run,int *len,int *info);
00025 
00026 void writeSE_Fix                  (SyntaxElement *se, Bitstream *bitstream);
00027 void writeSE_UVLC                 (SyntaxElement *se, DataPartition *dp);
00028 void writeSE_SVLC                 (SyntaxElement *se, DataPartition *dp);
00029 void writeSE_Flag                 (SyntaxElement *se, DataPartition *dp);
00030 void writeSE_invFlag              (SyntaxElement *se, DataPartition *dp);
00031 void writeSE_Dummy                (SyntaxElement *se, DataPartition *dp);
00032 
00033 void  writeCBP_VLC                (Macroblock* currMB, SyntaxElement *se, DataPartition *dp);
00034 void  writeIntraPredMode_CAVLC    (SyntaxElement *se, DataPartition *dp);
00035 int   writeSyntaxElement2Buf_UVLC (SyntaxElement *se, Bitstream* this_streamBuffer );
00036 void  writeUVLC2buffer            (SyntaxElement *se, Bitstream *currStream);
00037 void  writeVlcByteAlign           (Bitstream* currStream, StatParameters *cur_stats);
00038 int   writeSyntaxElement2Buf_Fixed(SyntaxElement *se, Bitstream* this_streamBuffer );
00039 int   symbol2uvlc                 (SyntaxElement *se);
00040 void  ue_linfo       (int n, int dummy, int *len,int *info);
00041 void  se_linfo       (int mvd, int dummy, int *len,int *info);
00042 void  cbp_linfo_intra(int cbp, int dummy, int *len,int *info);
00043 void  cbp_linfo_inter(int cbp, int dummy, int *len,int *info);
00044 
00045 // CAVLC
00046 void  CAVLC_init(void);
00047 
00048 int   writeSyntaxElement_VLC(SyntaxElement *se, DataPartition *this_dataPart);
00049 int   writeSyntaxElement_TotalZeros(SyntaxElement *se, DataPartition *this_dataPart);
00050 int   writeSyntaxElement_TotalZerosChromaDC(SyntaxElement *se, DataPartition *this_dataPart);
00051 int   writeSyntaxElement_Run(SyntaxElement *se, DataPartition *this_dataPart);
00052 int   writeSyntaxElement_NumCoeffTrailingOnes(SyntaxElement *se, DataPartition *this_dataPart);
00053 int   writeSyntaxElement_NumCoeffTrailingOnesChromaDC(SyntaxElement *se, DataPartition *this_dataPart);
00054 int   writeSyntaxElement_Level_VLC1(SyntaxElement *se, DataPartition *this_dataPart, int profile_idc);
00055 int   writeSyntaxElement_Level_VLCN(SyntaxElement *se, int vlc, DataPartition *this_dataPart, int profile_idc);
00056 
00057 void reset_mb_nz_coeff(int mb_number); 
00058 
00059 #endif
00060