www.pudn.com > AvsVideoCodec.rar > rdopt_coding_state.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: rdopt_coding_state.h 
* Function:  Headerfile for storing/restoring coding state 
			 (for rd-optimized mode decision) 
* 
************************************************************************************* 
*/ 
 
 
#ifndef _RD_OPT_CS_H_ 
#define _RD_OPT_CS_H_ 
 
#include "global.h" 
 
typedef struct { 
 
  Bitstream            *bitstream; 
 
  // syntax element number and bitcounters 
  int                   currSEnr; 
  int                   bitcounter[MAX_BITCOUNTER_MB]; 
 
  // elements of current macroblock 
  int                   mvd[2][BLOCK_MULTIPLE][BLOCK_MULTIPLE][2]; 
  unsigned long         cbp_bits; 
} CSobj; 
 
typedef CSobj* CSptr; 
 
void  delete_coding_state  (CSptr);  //!< delete structure 
CSptr create_coding_state  ();       //!< create structure 
 
void  store_coding_state   (CSptr);  //!< store parameters 
void  reset_coding_state   (CSptr);  //!< restore parameters 
 
extern int ***cofAC4x4,****cofAC4x4intern; 
extern CSptr cs_mb,cs_b8,cs_cm; 
 
#endif