rdopt_coding_state.h

avs-s最新代码,包括编码器和解码器源码

/*
*****************************************************************************
* 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