www.pudn.com > AvsVideoCodec.rar > block.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 _AVS_TRANSFORM_H_ 
#define _AVS_TRANSFORM_H_ 
 
#include "global.h" 
 
#define NUM_2D_TABLES 4 
#define CODE2D_ESCAPE_SYMBOL 59 
 
// external variables 
extern const int AVS_COEFF_COST[64];      //!< TML COEFF_COST 'stretched' for AVS 
extern const char AVS_2D_VLC[NUM_2D_TABLES][16][8];  //   Inter, Intra0-13, Intra14-21, Intra22-31 
 
extern const char AVS_2DVLC_INTRA[7][26][27];      
extern const char AVS_2DVLC_INTER[7][26][27]; 
extern const char AVS_2DVLC_CHROMA[5][26][27]; 
 
extern const char VLC_Golomb_Order[3][7][2];          //qwang 11.29 
extern const char MaxRun[3][7];                          // added by dj 
extern const char RefAbsLevel[19][26];                   // added by dj 
 
//99 
short MB_16[8][8], MB_16_temp[8][8]; 
 
// typedefs 
typedef enum 
{ 
  PIX, 
  LIN 
} Direction; 
 
// functions 
void transform_B8      (short curr_blk[B8_SIZE][B8_SIZE]); 
void inv_transform_B8  (short curr_blk[B8_SIZE][B8_SIZE]); 
void quant_B8          (int qp, int mode, short curr_blk[B8_SIZE][B8_SIZE]); 
int  scanquant_B8      (int qp, int mode, int b8, short curr_blk[B8_SIZE][B8_SIZE], int scrFlag, int *cbp, int *cbp_blk); 
 
int  find_sad_8x8          (int iMode, int iSizeX, int iSizeY, int iOffX, int iOffY, int m7[MB_BLOCK_SIZE][MB_BLOCK_SIZE]); 
int  sad_hadamard          (int iSizeX, int iSizeY, int iOffX, int iOffY, int m7[MB_BLOCK_SIZE][MB_BLOCK_SIZE]); 
int  writeLumaCoeffAVS_B8  (int b8,int intra); 
int  writeChromaCoeffAVS_B8(int b8,int intra); 
int Mode_Decision_for_AVS_IntraBlocks(int b8,double lambda,int *min_cost); 
double RDCost_for_AVSIntraBlocks(int *nonzero,int b8,int ipmode,double lambda,double  min_rdcost,int mostProbableMode); 
void idct_transform(short *mb, short *temp) ; 
 
#endif // _AVS_TRANSFORM_H_