image.h

Mobile IP VCEG的信道模拟程序

/************************************************************************
*
*  image.cpp for H.26L decoder. 
*  Copyright (C) 1999  Telenor Satellite Services, Norway
*  
*  Contacts: 
*  Inge Lille-Lang鴜               <[e-mail]>
*  
*
*  Telenor Satellite Services 
*  P.O.Box 6914 St.Olavs plass                        
*  N-0130 Oslo, Norway                  
*  
************************************************************************/
#ifndef IMAGE_H
#define IMAGE_H

/* TAPs used in the oneforthpix()routine */
 const int ONE_FOURTH_TAP[3][2] =
  {
    {20,20},
    {-5,-4},
    { 1, 0},
  };
const byte FILTER_STR[32][4] = /* for new loopfilter */
{
  {0,0,0,0},{0,0,0,0},{0,0,0,0},{0,0,0,0},{0,0,0,0},{0,0,0,0},{0,0,0,0},{0,0,0,0},
  {0,0,0,0},{0,0,0,1},{0,0,0,1},{0,0,1,1},{0,0,1,1},{0,0,1,1},{0,1,1,1},{0,1,1,1},
  {0,1,1,1},{0,1,1,2},{0,1,1,2},{0,1,1,2},{0,1,1,2},{0,1,2,3},{0,1,2,3},{0,1,2,3},
  {0,1,2,4},{0,2,3,4},{0,2,3,5},{0,2,3,5},{0,2,3,5},{0,2,4,7},{0,3,5,8},{0,3,5,9},
};
const byte LIM[32] =
{  
   7,  8,  9, 10, 11, 12, 14, 16,
  18, 20, 22, 25, 28, 31, 35, 39,
  44, 49, 55, 62, 69, 78, 88, 98,
  110,124,139,156,175,197,221,248
};

/* convert from H.263 QP to H.26L quant given by: quant=pow(2,QP/6) */
const int QP2QUANT[32]= 
{
   1, 1, 1, 1, 2, 2, 2, 2,
   3, 3, 3, 4, 4, 4, 5, 6,
   6, 7, 8, 9,10,11,13,14,
  16,17,20,23,25,29,32,36
};


  int two[6]  =  {64,-320,3328,1280,-320,64};
  int three[6] = {128,-640,2560,2560,-640,128};

  int five[6][6]  = {{4,-20,80,80,-20,4},
		     {-20,100,-400,-400,100,-20},
      	  	     {80,-400,1600,1600,-400,80},
		     {80,-400,1600,1600,-400,80},
	             {-20,100,-400,-400,100,-20},
	             {4,-20,80,80,-20,4}
                    };
  int six[6][6]  =  {{1,-5,52,20,-5,1},
	             {-5,25,-260,-100,25,-5},
	             {52,-260,2704,1040,-260,52},
	             {20,-100,1040,400,-100,20},
	             {-5,25,-260,-100,25,-5},
	             {1,-5,52,20,-5,1}
                    };
  int seven[6][6] = {{2,-10,40,40,-10,2},
	  	     {-10,50,-200,-200,50,-10},
	             {104,-520,2080,2080,-520,104},
	             {40,-200,800,800,-200,40},
	             {-10,50,-200,-200,50,-10},
	             {2,-10,40,40,-10,2}
                    };

#endif