www.pudn.com > lencod.rar > rdopt_coding_state.h


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