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 extern Boolean u_1  (char *tracestring, int value, Bitstream *bitstream);
00019 extern int se_v (char *tracestring, int value, Bitstream *bitstream);
00020 extern int ue_v (char *tracestring, int value, Bitstream *bitstream);
00021 extern int u_v  (int n, char *tracestring, int value, Bitstream *bitstream);
00022 
00023 extern void levrun_linfo_c2x2(int level,int run,int *len,int *info);
00024 extern void levrun_linfo_inter(int level,int run,int *len,int *info);
00025 
00026 extern void writeSE_Fix                  (SyntaxElement *se, Bitstream *bitstream);
00027 extern void writeSE_UVLC                 (SyntaxElement *se, DataPartition *dp);
00028 extern void writeSE_SVLC                 (SyntaxElement *se, DataPartition *dp);
00029 extern void writeSE_Flag                 (SyntaxElement *se, DataPartition *dp);
00030 extern void writeSE_invFlag              (SyntaxElement *se, DataPartition *dp);
00031 extern void writeSE_Dummy                (SyntaxElement *se, DataPartition *dp);
00032 
00033 extern void  writeCBP_VLC                (Macroblock* currMB, SyntaxElement *se, DataPartition *dp);
00034 extern void  writeIntraPredMode_CAVLC    (SyntaxElement *se, DataPartition *dp);
00035 extern int   writeSyntaxElement2Buf_UVLC (SyntaxElement *se, Bitstream* this_streamBuffer );
00036 extern void  writeUVLC2buffer            (SyntaxElement *se, Bitstream *currStream);
00037 extern void  writeVlcByteAlign           (ImageParameters *p_Img, Bitstream* currStream, StatParameters *cur_stats);
00038 extern int   writeSyntaxElement2Buf_Fixed(SyntaxElement *se, Bitstream* this_streamBuffer );
00039 extern int   symbol2uvlc                 (SyntaxElement *se);
00040 extern void  ue_linfo       (int n, int dummy, int *len,int *info);
00041 extern void  se_linfo       (int mvd, int dummy, int *len,int *info);
00042 extern void  cbp_linfo_intra_normal(int cbp, int dummy, int *len,int *info);
00043 extern void  cbp_linfo_intra_other (int cbp, int dummy, int *len,int *info);
00044 extern void  cbp_linfo_inter_normal(int cbp, int dummy, int *len,int *info);
00045 extern void  cbp_linfo_inter_other (int cbp, int dummy, int *len,int *info);
00046 
00047 extern int   writeSyntaxElement_VLC(SyntaxElement *se, DataPartition *this_dataPart);
00048 extern int   writeSyntaxElement_TotalZeros(SyntaxElement *se, DataPartition *this_dataPart);
00049 extern int   writeSyntaxElement_TotalZerosChromaDC(ImageParameters *p_Img, SyntaxElement *se, DataPartition *this_dataPart);
00050 extern int   writeSyntaxElement_Run(SyntaxElement *se, DataPartition *this_dataPart);
00051 extern int   writeSyntaxElement_NumCoeffTrailingOnes(SyntaxElement *se, DataPartition *this_dataPart);
00052 extern int   writeSyntaxElement_NumCoeffTrailingOnesChromaDC(ImageParameters *p_Img, SyntaxElement *se, DataPartition *this_dataPart);
00053 extern int   writeSyntaxElement_Level_VLC1(SyntaxElement *se, DataPartition *this_dataPart, int profile_idc);
00054 extern int   writeSyntaxElement_Level_VLCN(SyntaxElement *se, int vlc, DataPartition *this_dataPart, int profile_idc);
00055 
00056 extern void writeUVLC_CAVLC (Macroblock *currMB, SyntaxElement *se, DataPartition *dp);
00057 extern void writeSVLC_CAVLC (Macroblock *currMB, SyntaxElement *se, DataPartition *dp);
00058 extern void writeFlag_CAVLC (Macroblock *currMB, SyntaxElement *se, DataPartition *dp);
00059 
00060 extern void reset_mb_nz_coeff(ImageParameters *p_Img, int mb_number); 
00061 
00062 #endif
00063