rdopt_coding_state.h

AVS视频编解码器 能实现视频图像的高效率压缩 能在ＶＣ上高速运行

/*
***********************************************************************
* COPYRIGHT AND WARRANTY INFORMATION
*
* Copyright 2003, Advanced Audio Video Coding Standard, Part II
*
* DISCLAIMER OF WARRANTY
*
* These software programs are available to the users without any
* license fee or royalty on an "as is" basis. The AVS disclaims
* any and all warranties, whether express, implied, or statutory,
* including any implied warranties of merchantability or of fitness
* for a particular purpose. In no event shall the contributors or 
* the AVS be liable for any incidental, punitive, or consequential
* damages of any kind whatsoever arising from the use of this program.
*
* This disclaimer of warranty extends to the user of this program
* and user's customers, employees, agents, transferees, successors,
* and assigns.
*
* The AVS does not represent or warrant that the program furnished
* hereunder 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 is available from the AVS Web site at
* http://www.avs.org.cn
*
* THIS IS NOT A GRANT OF PATENT RIGHTS - SEE THE AVS PATENT POLICY.
************************************************************************
*/

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