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 * ****************************************************************************** */ /* ************************************************************************************* * File name: * Function: * ************************************************************************************* */ #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