block.h

Mobile IP VCEG的信道模拟程序

/************************************************************************
*
*  block.h for H.26L encoder. 
*  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 _BLOCK_H_
#define _BLOCK_H_

#include <stdio.h>
#include "global.h"

/*  max number of double quant coefficients used for RD constrained quantization. 
    Set to 3 in the TML test model  */ 
#define MAX_TWO_LEVEL_COEFF 3 
/* pow(2,MAX_TWO_LEVEL_COEFF), must be updated together with MAX_TWO_LEVEL_COEFF */                 
#define MTLC_POW            8 

#define QUANT_LUMA_SNG      0
#define QUANT_LUMA_AC       1
#define QUANT_LUMA_DBL      2
#define QUANT_CHROMA_DC     3
#define QUANT_CHROMA_AC     4

                 

int snr_arr[16][MTLC_POW];  
int level_arr[16][MTLC_POW+1];

const int JQQ1=1048576; /* = J20 */
const int JQQ2= 524288;
const int JQQ3= 349525;
const int JQQ4= 174762;
const int JQ4 = 471859;

const int J13 = 8192;
const int J19 = 524288;
const int J20 = 1048576; 

extern const byte FILTER_STR[32][4];

/* numbers used for quantization/dequantization.*/
const int JQ[32][2] =
{
  {620,  3881  }, 
  {553,  4351  },  
  {492,  4890  },   
  {439,  5481  },  
  {391,  6154  },   
  {348,  6914  },   
  {310,  7761  },  
  {276,  8718  },  
  {246,  9781  },  
  {219,  10987 },    
  {195,  12339 },  
  {174,  13828 },   
  {155,  15523 },   
  {138,  17435 },  
  {123,  19561 },    
  {110,  21873 },   
  { 98,  24552 },
  { 87,  27656 },  
  { 78,  30847 }, 
  { 69,  34870 },
  { 62,  38807 },
  { 55,  43747 }, 
  { 49,  49103 },
  { 44,  54683 },
  { 39,  61694 },
  { 35,  68745 },
  { 31,  77615 },
  { 27,  89113 }, 
  { 24,  100253}, 
  { 22,  109366},  
  { 19,  126635}, 
  { 17,  141533},
};

/* make chroma QP from quant */
const int QP_SCALE_CR[32]=
{
   0, 1, 2, 3, 4, 5, 6, 7, 8, 9,10,11,12,13,14,15,
  16,17,17,18,19,20,20,21,22,22,23,23,24,24,25,25
}; 



/* single scan pattern */
const byte SNGL_SCAN[16][2] =   
{
  {0,0},{1,0},{0,1},{0,2},
  {1,1},{2,0},{3,0},{2,1},
  {1,2},{0,3},{1,3},{2,2},
  {3,1},{3,2},{2,3},{3,3}
};

/* double scan pattern */
const byte DBL_SCAN[8][2][2] = 
{
  {{0,0},{0,1}},
  {{1,0},{0,2}},
  {{2,1},{0,1}},
  {{2,1},{1,2}},
  {{2,0},{2,3}},
  {{3,1},{0,3}},
  {{3,2},{1,3}},
  {{3,3},{2,3}},
};

/* array used to find expencive coefficients */
const byte COEFF_COST[16] = 
{
  3,2,2,1,1,1,0,0,0,0,0,0,0,0,0,0
};



/* bit cost for coefficients */
const byte COEFF_BIT_COST[3][16][16]=
{
  { /* 2x2 scan (corrested per Gisle's Email 11/23/2000 by StW */
    { 3, 5, 7, 9, 9,11,11,11,11,13,13,13,13,13,13,13},
    { 5, 7, 9, 9,11,11,11,11,13,13,13,13,13,13,13,13},
    { 7, 9, 9,11,11,11,11,13,13,13,13,13,13,13,13,15},
    { 7, 9, 9,11,11,11,11,13,13,13,13,13,13,13,13,15},
    { 7, 7, 9, 9, 9, 9,11,11,11,11,11,11,11,11,13,13},
    { 7, 7, 9, 9, 9, 9,11,11,11,11,11,11,11,11,13,13},
    { 7, 7, 9, 9, 9, 9,11,11,11,11,11,11,11,11,13,13},
    { 7, 7, 9, 9, 9, 9,11,11,11,11,11,11,11,11,13,13},
    { 7, 7, 9, 9, 9, 9,11,11,11,11,11,11,11,11,13,13},
    { 7, 7, 9, 9, 9, 9,11,11,11,11,11,11,11,11,13,13},
    { 7, 7, 9, 9, 9, 9,11,11,11,11,11,11,11,11,13,13},
    { 7, 7, 9, 9, 9, 9,11,11,11,11,11,11,11,11,13,13},
    { 7, 7, 9, 9, 9, 9,11,11,11,11,11,11,11,11,13,13},
    { 7, 7, 9, 9, 9, 9,11,11,11,11,11,11,11,11,13,13},
    { 7, 7, 9, 9, 9, 9,11,11,11,11,11,11,11,11,13,13},
    { 7, 7, 9, 9, 9, 9,11,11,11,11,11,11,11,11,13,13},
  },
  {  /* double scan */ 
    { 3, 5, 7, 7, 7, 9, 9, 9, 9,11,11,13,13,13,13,15},
    { 5, 9, 9,11,11,13,13,13,13,15,15,15,15,15,15,15},
    { 7,11,11,13,13,13,13,15,15,15,15,15,15,15,15,17},
    { 9,11,11,13,13,13,13,15,15,15,15,15,15,15,15,17},
    { 9,11,11,13,13,13,13,15,15,15,15,15,15,15,15,17},
    {11,11,13,13,13,13,15,15,15,15,15,15,15,15,17,17},
    {11,11,13,13,13,13,15,15,15,15,15,15,15,15,17,17},
    {11,11,13,13,13,13,15,15,15,15,15,15,15,15,17,17},
    {11,11,13,13,13,13,15,15,15,15,15,15,15,15,17,17},
    {11,11,13,13,13,13,15,15,15,15,15,15,15,15,17,17},
    {11,11,13,13,13,13,15,15,15,15,15,15,15,15,17,17},
    {11,11,13,13,13,13,15,15,15,15,15,15,15,15,17,17},
    {11,11,13,13,13,13,15,15,15,15,15,15,15,15,17,17},
    {11,11,13,13,13,13,15,15,15,15,15,15,15,15,17,17},
  },
  {    /* single scan */
    { 3, 7, 9, 9,11,13,13,15,15,15,15,17,17,17,17,17},
    { 5, 9,11,13,13,15,15,15,15,17,17,17,17,17,17,17},
    { 5, 9,11,13,13,15,15,15,15,17,17,17,17,17,17,17},
    { 7,11,13,13,15,15,15,15,17,17,17,17,17,17,17,17},
    { 7,11,13,13,15,15,15,15,17,17,17,17,17,17,17,17},
    { 7,11,13,13,15,15,15,15,17,17,17,17,17,17,17,17},
    { 9,11,13,13,15,15,15,15,17,17,17,17,17,17,17,17},
    { 9,11,13,13,15,15,15,15,17,17,17,17,17,17,17,17},
    { 9,11,13,13,15,15,15,15,17,17,17,17,17,17,17,17},
    { 9,11,13,13,15,15,15,15,17,17,17,17,17,17,17,17},
    {11,13,13,15,15,15,15,17,17,17,17,17,17,17,17,19},
    {11,13,13,15,15,15,15,17,17,17,17,17,17,17,17,19},
    {11,13,13,15,15,15,15,17,17,17,17,17,17,17,17,19},
    {11,13,13,15,15,15,15,17,17,17,17,17,17,17,17,19},
    {11,13,13,15,15,15,15,17,17,17,17,17,17,17,17,19},
    {11,13,13,15,15,15,15,17,17,17,17,17,17,17,17,19},
  },
};



#endif