vlc.h

AVS视频编解码器 能实现视频图像的高效率压缩 能在ＶＣ上高速运行

/*
***********************************************************************
* COPYRIGHT AND WARRANTY INFORMATION
*
* Copyright 2003, Advanced Audio Video Coding Standard, Part II
*
* DISCLAIMER OF WARRANTY
*
* These software programs are available to the users without any
* license fee or royalty on an "as is" basis. The AVS disclaims
* any and all warranties, whether express, implied, or statutory,
* including any implied warranties of merchantability or of fitness
* for a particular purpose. In no event shall the contributors or 
* the AVS be liable for any incidental, punitive, or consequential
* damages of any kind whatsoever arising from the use of this program.
*
* This disclaimer of warranty extends to the user of this program
* and user's customers, employees, agents, transferees, successors,
* and assigns.
*
* The AVS does not represent or warrant that the program furnished
* hereunder are free of infringement of any third-party patents.
* Commercial implementations of AVS, including shareware, may be
* subject to royalty fees to patent holders. Information regarding
* the AVS patent policy is available from the AVS Web site at
* http://www.avs.org.cn
*
* THIS IS NOT A GRANT OF PATENT RIGHTS - SEE THE AVS PATENT POLICY.
************************************************************************
*/

/*
*************************************************************************************
* File name: vlc.h
* Function: Prototypes for VLC coding funtions
*
*************************************************************************************
*/



#ifndef _VLC_H_
#define _VLC_H_


int u_1 (char *tracestring, int value, Bitstream *part);
int se_v (char *tracestring, int value, Bitstream *part);
int ue_v (char *tracestring, int value, Bitstream *part);
int u_v (int n, char *tracestring, int value, Bitstream *part);

int   writeSyntaxElement_UVLC(SyntaxElement *se, Bitstream *this_dataPart);
int   writeSyntaxElement_fixed(SyntaxElement *se, Bitstream *this_dataPart);

void  writeUVLC2buffer(SyntaxElement *se, Bitstream *currStream);
int   writeSyntaxElement2Buf_Fixed(SyntaxElement *se, Bitstream* this_streamBuffer );
int   symbol2uvlc(SyntaxElement *se);
void  ue_linfo(int n, int dummy, int *len,int *info);
void  se_linfo(int mvd, int dummy, int *len,int *info);
void  cbp_linfo_intra(int cbp, int dummy, int *len,int *info);
void  cbp_linfo_inter(int cbp, int dummy, int *len,int *info);

int   writeSyntaxElement_Intra4x4PredictionMode(SyntaxElement *se, Bitstream *this_dataPart);

#endif