www.pudn.com > AvsVideoCodec.rar > golomb.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 
*  
****************************************************************************** 
*/ 
 
 
  
/* 
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* File name:  
* Function:  
* 
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*/ 
#ifndef GOLOMB_H 
#define GOLOMB_H 
 
#include "global.h" 
 
void encode_golomb_word(unsigned int symbol,unsigned int grad0,unsigned int max_levels,unsigned int *res_bits,unsigned int *res_len); //returns symbol coded. (might be cropped if max_levels is too small) 
void encode_multilayer_golomb_word(unsigned int symbol,const unsigned int *grad,const unsigned int *max_levels,unsigned int *res_bits,unsigned int *res_len); //terminate using a max_levels value of 30UL. 
 
unsigned int decode_golomb_word(const unsigned char **buffer,unsigned int *bitoff,unsigned int grad0,unsigned int max_levels); 
 
int writeSyntaxElement_GOLOMB(SyntaxElement *se, Bitstream *bitstream); 
 
#endif