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

/* 
***************************************************************************** 
* COPYRIGHT AND WARRANTY INFORMATION 
* 
* Copyright 2003, Advanced Audio Video Coding Standard, Part II 
* 
* DISCLAIMER OF WARRANTY 
* 
* The contents of this file are subject to the Mozilla Public License 
* Version 1.1 (the "License"); you may not use this file except in 
* compliance with the License. You may obtain a copy of the License at 
* http://www.mozilla.org/MPL/ 
* 
* Software distributed under the License is distributed on an "AS IS" 
* basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See the 
* License for the specific language governing rights and limitations under 
* the License. 
*                      
* THIS IS NOT A GRANT OF PATENT RIGHTS - SEE THE AVS PATENT POLICY. 
* The AVS Working Group doesn't represent or warrant that the programs 
* furnished here under 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 for standardization procedure is available at  
* AVS Web site http://www.avs.org.cn. Patent Licensing is outside 
* of AVS Working Group. 
* 
* The Original Code is Reference Software for China National Standard  
* GB/T 20090.2-2006 (short for AVS-P2 or AVS Video) at version RM52J. 
* 
* The Initial Developer of the Original Code is Video subgroup of AVS 
* Workinggroup (Audio and Video coding Standard Working Group of China). 
* Contributors:   Guoping Li,    Siwei Ma,    Jian Lou,    Qiang Wang ,  
*   Jianwen Chen,Haiwu Zhao,  Xiaozhen Zheng, Junhao Zheng, Zhiming Wang 
*  
****************************************************************************** 
*/ 
 
 
 
/* 
************************************************************************************* 
* File name: vlc.h 
* Function: header for (CA)VLC coding functions 
* 
************************************************************************************* 
*/ 
 
 
#ifndef _VLC_H_ 
#define _VLC_H_ 
 
int se_v (char *tracestring); 
int ue_v (char *tracestring); 
int u_1 (char *tracestring); 
int u_v (int LenInBits, char *tracestring); 
int i_8(char *tracestring); 
 
// 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); 
 
int  readSyntaxElement_VLC (SyntaxElement *sym); 
int  readSyntaxElement_UVLC(SyntaxElement *sym, struct inp_par *inp); 
int  readSyntaxElement_Intra8x8PredictionMode(SyntaxElement *sym); 
 
int  GetVLCSymbol (byte buffer[],int totbitoffset,int *info, int bytecount); 
int  GetVLCSymbol_IntraMode (byte buffer[],int totbitoffset,int *info, int bytecount); 
int  GetVLCSymbol_refidx (byte buffer[],int totbitoffset,int *info, int bytecount); 
 
int readSyntaxElement_FLC(SyntaxElement *sym); 
int GetBits (byte buffer[],int totbitoffset,int *info, int bytecount,  
             int numbits); 
int ShowBits (byte buffer[],int totbitoffset,int bytecount, int numbits); 
 
int get_uv (int LenInBits, char*tracestring);  // Yulj 2004.07.15  for decision of slice end. 
int GetSyntaxElement_FLC(SyntaxElement *sym); // Yulj 2004.07.15  for decision of slice end. 
 
#endif