macroblock.h

Mobile IP VCEG的信道模拟程序

/************************************************************************
*
*  macroblock.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 _MACROBLOCK_H_
#define _MACROBLOCK_H_


/* just to make new temp intra mode table */ 
const int  MODTAB[3][2]= 
{
  { 0, 4},
  {16,12},
  { 8,20}
};

/* gives codeword number from CBP value, both for intra and inter */
const int NCBP[48][2]=
{
  { 3, 0},{29, 2},{30, 3},{17, 7},{31, 4},{18, 8},{37,17},{ 8,13},{32, 5},{38,18},{19, 9},{ 9,14},
  {20,10},{10,15},{11,16},{ 2,11},{16, 1},{33,32},{34,33},{21,36},{35,34},{22,37},{39,44},{ 4,40},
  {36,35},{40,45},{23,38},{ 5,41},{24,39},{ 6,42},{ 7,43},{ 1,19},{41, 6},{42,24},{43,25},{25,20},
  {44,26},{26,21},{46,46},{12,28},{45,27},{47,47},{27,22},{13,29},{28,23},{14,30},{15,31},{ 0,12},
}; 

/*  
Return prob.(0-5) for the input intra prediction mode(0-5), depending on previous (right/above) pred mode(0-6).  
NA values are set to 0 in the array. 
The modes for the neighbour blocks are signalled:
0 = outside
1 = DC
2 = diagonal vert 22.5 deg
3 = vertical
4 = diagonal 45 deg
5 = horizontal
6 = diagonal horizontal -22.5 deg
*/

#ifdef USE_9_INTRA_MODES

/* prob order=PRED_IPRED[B(block left)][A(block above)][intra mode] */
// enc_aic_prob

const byte PRED_IPRED[10][10][9]=
{
	{	// A=outside
		{0,9,9,9,9,9,9,9,9}, //	B=outside
		{0,9,1,9,9,9,9,9,9}, // B=mode0	  
		{9,9,9,9,9,9,9,9,9}, // B=mode1
		{1,9,0,9,9,9,9,9,9}, // B=mode2
		{9,9,9,9,9,9,9,9,9}, // B=mode3
		{9,9,9,9,9,9,9,9,9}, // B=mode4
		{9,9,9,9,9,9,9,9,9}, // B=mode5
		{9,9,9,9,9,9,9,9,9}, // B=mode6
		{9,9,9,9,9,9,9,9,9}, // B=mode7
		{9,9,9,9,9,9,9,9,9}, // B=mode8
	},
	{	// A=mode0
		{0,1,9,9,9,9,9,9,9}, // outside
		{0,2,1,8,4,6,3,7,5},
		{1,0,2,6,5,4,3,8,7},
		{2,3,0,6,5,8,7,4,1},
		{1,2,0,3,6,5,8,7,4},
		{1,2,0,7,3,8,4,5,6},
		{0,1,3,5,7,2,4,8,6},
		{0,1,3,8,4,6,2,5,7},
		{2,3,0,7,4,8,6,1,5},
		{2,3,0,5,6,7,8,4,1},
	},
	{	// A=mode1
		{1,0,9,9,9,9,9,9,9}, // outside
		{5,0,1,4,6,2,3,8,7},
		{5,0,2,4,6,3,1,8,7},
		{7,1,0,5,8,6,3,2,4},
		{8,0,1,3,6,2,4,7,5},
		{3,0,2,8,4,5,1,7,6},
		{7,0,2,4,6,1,3,8,5},
		{2,0,3,7,4,5,1,6,8},
		{4,1,0,8,7,6,3,2,5},
		{8,0,1,4,5,6,7,2,3},
	},
	{	// A=mode2
		{9,9,9,9,9,9,9,9,9}, // outside
		{0,2,1,8,7,6,5,4,3},
		{2,0,1,8,6,4,3,5,7},
		{4,3,0,7,6,8,5,2,1},
		{1,3,0,4,7,6,8,5,2},
		{1,3,0,7,2,8,6,4,5},
		{1,2,0,8,5,3,6,7,4},
		{1,3,0,8,4,7,2,5,6},
		{4,3,0,8,6,5,7,1,2},
		{4,3,0,6,5,8,7,2,1},
	},
	{	// A=mode3
		{9,9,9,9,9,9,9,9,9}, // outside
		{0,2,1,3,7,4,6,8,5},
		{1,0,2,4,6,3,5,8,7},
		{3,2,0,4,8,5,7,6,1},
		{8,4,1,0,5,2,6,7,3},
		{2,4,1,7,0,5,3,8,6},
		{7,2,3,1,6,0,5,8,4},
		{2,0,3,7,4,5,1,8,6},
		{2,3,0,8,5,4,7,1,6},
		{5,4,0,2,8,3,7,6,1},
	},
	{	// A=mode4
		{9,9,9,9,9,9,9,9,9}, // outside
		{1,3,0,8,4,6,2,5,7},
		{3,0,2,6,4,5,1,7,8},
		{5,6,0,8,4,7,3,2,1},
		{3,2,1,6,0,7,4,8,5},
		{3,4,1,8,0,5,2,6,7},
		{3,0,1,5,6,2,4,7,8},
		{2,3,4,7,1,6,0,5,8},
		{4,5,0,8,2,7,3,1,6},
		{8,5,0,6,3,7,4,2,1},
	},
	{	// A=mode5
		{9,9,9,9,9,9,9,9,9}, // outside
		{6,1,2,3,7,0,4,8,5},
		{5,0,4,3,6,1,2,8,7},
		{8,1,0,3,7,2,4,6,5},
		{8,2,3,1,6,0,4,7,5},
		{6,0,2,7,3,4,1,8,5},
		{5,1,4,2,7,0,3,8,6},
		{4,0,3,6,5,2,1,7,8},
		{5,2,0,7,8,4,3,1,6},
		{7,2,0,3,6,1,4,8,5},
	},
	{	// A=mode6
		{9,9,9,9,9,9,9,9,9}, // outside
		{3,0,2,6,5,4,1,7,8},
		{6,0,4,5,3,2,1,7,8},
		{8,1,0,7,4,6,2,3,5},
		{7,1,0,6,5,3,2,8,4},
		{4,2,3,8,1,5,0,6,7},
		{5,0,3,4,6,2,1,8,7},
		{3,1,4,7,2,6,0,5,8},
		{6,4,0,8,2,5,3,1,7},
		{8,1,0,6,4,7,2,5,3},
	},
	{	// A=mode7
		{9,9,9,9,9,9,9,9,9}, // outside
		{1,5,0,8,2,7,4,3,6},
		{3,1,2,8,4,6,0,5,7},
		{3,4,0,7,6,8,5,1,2},
		{2,5,0,4,1,8,7,6,3},
		{3,5,1,8,0,7,4,2,6},
		{2,1,0,8,7,4,5,6,3},
		{5,3,0,8,2,6,1,4,7},
		{3,6,0,8,2,7,5,1,4},
		{5,4,0,6,3,8,7,2,1},
	},
	{	// A=mode8
		{9,9,9,9,9,9,9,9,9}, // outside
		{1,3,0,4,5,7,6,8,2},
		{2,0,1,7,8,5,3,6,4},
		{4,3,0,5,8,7,6,2,1},
		{5,4,2,1,6,3,8,7,0},
		{1,5,0,8,2,4,7,6,3},
		{2,1,0,5,7,4,6,8,3},
		{3,1,0,8,5,6,2,7,4},
		{4,6,0,8,3,7,5,1,2},
		{3,6,0,2,5,8,7,4,1},
	}
};



/*
  return codeword number from two combined intra prediction blocks 
*/

const int IPRED_ORDER[9][9]= 
{
	{ 0, 1, 4, 6,10,14,19,25,32},
	{ 2, 3, 8,13,17,21,30,37,45},
	{ 5, 9,16,22,27,35,44,46,57},
	{ 7,12,20,28,36,42,51,59,65},
	{11,18,26,34,38,50,54,63,69},
	{15,23,33,43,49,55,61,68,72},
	{24,29,41,52,56,60,70,74,77},
	{31,39,47,58,62,66,71,76,79},
	{40,48,53,64,67,73,75,78,80}
};

#else //!USE_9_INTRA_MODES

/* prob order=PRED_IPRED[B(block left)][A(block above)][intra mode] */
const byte PRED_IPRED[7][7][6]=
{
  {
    {0,0,0,0,0,0},
    {0,0,0,0,1,0},
    {0,0,0,0,0,0},
    {0,0,0,0,0,0},  
    {0,0,0,0,0,0},
    {1,0,0,0,0,0},
    {0,0,0,0,0,0},
  },
  {
    {0,0,1,0,0,0},
    {0,2,5,3,1,4},
    {0,1,4,3,2,5},
    {0,1,2,3,4,5},
    {1,3,5,0,2,4},
    {1,4,5,2,0,3},
    {2,4,5,3,1,0},
  },
  {
    {0,0,0,0,0,0},
    {1,0,4,3,2,5},
    {1,0,2,4,3,5},
    {1,0,2,3,4,5},
    {2,1,4,0,3,5},
    {1,2,5,4,0,3},
    {0,1,5,4,3,2},      
  },
  {        
    {1,0,0,0,0,0},
    {2,4,0,1,3,5},
    {1,3,0,2,4,5},
    {2,1,0,3,4,5},
    {3,2,0,1,5,4},
    {2,5,0,3,1,4},
    {1,2,0,5,3,4},    
  },
  {      
    {0,0,0,0,0,0},
    {1,4,3,0,2,5},
    {0,3,2,1,4,5},
    {1,3,2,0,4,5},
    {1,4,3,0,2,5},
    {2,4,5,1,0,3},
    {2,4,5,1,3,0},
  },
  {          
    {0,0,0,0,0,0},
    {0,3,5,2,1,4},
    {0,2,4,3,1,5},
    {0,3,2,4,1,5},
    {1,4,5,2,0,3},
    {1,4,5,2,0,3},
    {2,4,5,3,0,1},         
  },
  {
    {0,0,0,0,0,0},
    {0,4,5,2,1,3},
    {0,1,5,3,2,4},
    {0,1,3,2,4,5},
    {1,4,5,0,3,2},
    {1,4,5,3,0,2},
    {1,3,5,4,2,0},  
  }
};
/*
  return codeword number from two combined intra prediction blocks 
*/

const int IPRED_ORDER[6][6]= 
{
  { 0, 2, 3, 9,10,20},
  { 1, 4, 8,11,19,21},
  { 5, 7,12,18,22,29},
  { 6,13,17,23,28,30},
  {14,16,24,27,31,34},
  {15,25,26,32,33,35},
};

#endif

extern int JQ[32][2];
extern int QP2QUANT[32];

#endif