www.pudn.com > jm50g.zip > abt_const.c
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/*
*************************************************************************************
* \file
* abt_const.c
*
* \brief
* Constant Arrays, Transforms etc to be used with Adaptive Block Transforms
*
* \author
* Main contributors (see contributors.h for copyright, address and affiliation details)
* - Mathias Wien
* - Achim Dahlhoff
*
* \date
* Fri Mar 8 2002
*
* copyright : (C) 2002 by Mathias Wien
* Institut und Lehrstuhl für Nachrichtentechnik
* RWTH Aachen University
* 52072 Aachen
* Germany
*************************************************************************************
*/
#include "defines.h"
#include "abt.h"
const int ABT_matrix[2][8][8]=
{
{
{ 1, 1, 1, 1},
{ 2, 1,-1,-2},
{ 1,-1,-1, 1},
{ 1,-2, 2,-1},
},
{
{13, 13, 13, 13, 13, 13, 13, 13},
{19, 15, 9, 3, -3, -9,-15,-19},
{17, 7, -7,-17,-17, -7, 7, 17},
{ 9, 3,-19,-15, 15, 19, -3, -9},
{13,-13,-13, 13, 13,-13,-13, 13},
{15,-19, -3, 9, -9, 3, 19,-15},
{ 7,-17, 17, -7, -7, 17,-17, 7},
{ 3, -9, 15,-19, 19,-15, 9, -3},
}
};
const int ABT_TRSIZE[4][2] =
{ // block mode
{8,8}, // 8x8
{8,4}, // 8x4
{4,8}, // 4x8
{4,4}, // 4x4
};
const int ABT_NUMTR[4][2] =
{ // block mode
{1,1}, // 8x8
{1,2}, // 8x4
{2,1}, // 4x8
{2,2}, // 4x4
};
const int ABT_TRIDX[4][2] =
{ // block mode
{1,1}, // 8x8
{1,0}, // 8x4
{0,1}, // 4x8
{0,0}, // 4x4
};
const int ABT_Q[4][QUANT_PERIOD][3] = // Quantization
{
{ // 8x8
{2506},
{2211},
{1979},
{1709},
{1566},
{1392}
},{//ac bc // 4x8,8x4
{11030,7220},
{9927 ,6618},
{9025 ,5673},
{8273 ,4964},
{7091 ,4672},
{6618 ,3971}
},{//ac bc // 4x8,8x4
{11030,7220},
{9927 ,6618},
{9025 ,5673},
{8273 ,4964},
{7091 ,4672},
{6618 ,3971}
},{ // aa bb ab // 4x4
#ifdef _CD_4x4VALUES_
{13107,5243,8066},
{11916,4660,7490},
{10082,4194,6554},
{9362, 3647,5825},
{8192, 3355,5243},
{7282, 2893,4559}
#else
{13107, 5243,8224},
{11651, 4660,7358},
{10486, 4143,6554},
{ 9198, 3687,5825},
{ 8322, 3290,5243},
{ 7384, 2943,4660}
#endif
}
};
const int ABT_R[4][QUANT_PERIOD][3] = // De-Quantization
{
{
{15},
{17},
{19},
{22},
{24},
{27}
},{
{9 ,11},
{10,12},
{11,14},
{12,16},
{14,17},
{15,20}
},{
{9 ,11},
{10,12},
{11,14},
{12,16},
{14,17},
{15,20}
},{//aa bb ab // 4x4
#ifdef _CD_4x4VALUES_
{40, 64, 52}, // 4* {10,16,13}
{44, 72, 56}, // 4* {11,18,14}
{52, 80, 64}, // 4* {13,20,16}
{56, 92, 72}, // 4* {14,23,18}
{64,100, 80}, // 4* {16,25,20}
{72,116, 92} // 4* {18,29,23}
#else
{40, 64,51},
{45, 72,57},
{50, 81,64},
{57, 91,72},
{63,102,80},
{71,114,90}
#endif
}
};
const int ABT_QMAP[4][2][2] =
{
{ {0,0},{0,0} }, // 8x8
{ {0,0},{1,1} }, // 8x4
{ {0,1},{0,1} }, // 4x8
{ {0,2},{2,1} }, // 4x4
};
const int ABT_N[4][2] =
{
{23, 13},
{21, 8},
{21, 8},
{17, 6}
};
const int ABT_SHIFT0[4][2][2] =
{
{{7,7},{7,7}},
{{2,2},{4,4}},
{{2,4},{2,4}},
{{0,0},{0,0}}
};
const int ABT_SHIFT1[4] = { 7,2,2,0 };
const int ABT_SCAN[2][4][64][2] = // [abt_mode][scan_pos][x/y] ATTENTION: the ScanPositions are (pix,lin)!
{
{
{ // 8x8
{ 0, 0}, { 1, 0}, { 0, 1}, { 0, 2}, { 1, 1}, { 2, 0}, { 3, 0}, { 2, 1},
{ 1, 2}, { 0, 3}, { 0, 4}, { 1, 3}, { 2, 2}, { 3, 1}, { 4, 0}, { 5, 0},
{ 4, 1}, { 3, 2}, { 2, 3}, { 1, 4}, { 0, 5}, { 0, 6}, { 1, 5}, { 2, 4},
{ 3, 3}, { 4, 2}, { 5, 1}, { 6, 0}, { 7, 0}, { 6, 1}, { 5, 2}, { 4, 3},
{ 3, 4}, { 2, 5}, { 1, 6}, { 0, 7}, { 1, 7}, { 2, 6}, { 3, 5}, { 4, 4},
{ 5, 3}, { 6, 2}, { 7, 1}, { 7, 2}, { 6, 3}, { 5, 4}, { 4, 5}, { 3, 6},
{ 2, 7}, { 3, 7}, { 4, 6}, { 5, 5}, { 6, 4}, { 7, 3}, { 7, 4}, { 6, 5},
{ 5, 6}, { 4, 7}, { 5, 7}, { 6, 6}, { 7, 5}, { 7, 6}, { 6, 7}, { 7, 7}
},{ // 8x4
{ 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}, { 4, 0}, { 5, 0}, { 4, 1},
{ 3, 2}, { 2, 3}, { 3, 3}, { 4, 2}, { 5, 1}, { 6, 0}, { 7, 0}, { 6, 1},
{ 5, 2}, { 4, 3}, { 5, 3}, { 6, 2}, { 7, 1}, { 7, 2}, { 6, 3}, { 7, 3}
},{ // 4x8
{ 0, 0}, { 0, 1}, { 1, 0}, { 2, 0}, { 1, 1}, { 0, 2}, { 0, 3}, { 1, 2},
{ 2, 1}, { 3, 0}, { 3, 1}, { 2, 2}, { 1, 3}, { 0, 4}, { 0, 5}, { 1, 4},
{ 2, 3}, { 3, 2}, { 3, 3}, { 2, 4}, { 1, 5}, { 0, 6}, { 0, 7}, { 1, 6},
{ 2, 5}, { 3, 4}, { 3, 5}, { 2, 6}, { 1, 7}, { 2, 7}, { 3, 6}, { 3, 7}
},{ // 4x4
{ 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}
}
},
{
// alt. scan von Limin Wang, JVT-C140.
{ // 8x8
{ 0, 0}, { 0, 1}, { 0, 2}, { 1, 0}, { 1, 1}, { 0, 3}, { 0, 4}, { 1, 2},
{ 2, 0}, { 1, 3}, { 0, 5}, { 0, 6}, { 0, 7}, { 1, 4}, { 2, 1}, { 3, 0},
{ 2, 2}, { 1, 5}, { 1, 6}, { 1, 7}, { 2, 3}, { 3, 1}, { 4, 0}, { 3, 2},
{ 2, 4}, { 2, 5}, { 2, 6}, { 2, 7}, { 3, 3}, { 4, 1}, { 5, 0}, { 4, 2},
{ 3, 4}, { 3, 5}, { 3, 6}, { 3, 7}, { 4, 3}, { 5, 1}, { 6, 0}, { 5, 2},
{ 4, 4}, { 4, 5}, { 4, 6}, { 4, 7}, { 5, 3}, { 6, 1}, { 6, 2}, { 5, 4},
{ 5, 5}, { 5, 6}, { 5, 7}, { 6, 3}, { 7, 0}, { 7, 1}, { 6, 4}, { 6, 5},
{ 6, 6}, { 6, 7}, { 7, 2}, { 7, 3}, { 7, 4}, { 7, 5}, { 7, 6}, { 7, 7}
},{ // 8x4
{ 0, 0}, { 0, 1}, { 1, 0}, { 0, 2}, { 0, 3}, { 1, 1}, { 2, 0}, { 1, 2},
{ 1, 3}, { 2, 1}, { 3, 0}, { 2, 2}, { 2, 3}, { 3, 1}, { 4, 0}, { 3, 2},
{ 3, 3}, { 4, 1}, { 5, 0}, { 4, 2}, { 4, 3}, { 5, 1}, { 6, 0}, { 5, 2},
{ 5, 3}, { 6, 1}, { 7, 0}, { 6, 2}, { 6, 3}, { 7, 1}, { 7, 2}, { 7, 3}
},{ // 4x8
{ 0, 0}, { 0, 1}, { 0, 2}, { 0, 3}, { 1, 0}, { 1, 1}, { 1, 2}, { 0, 4},
{ 0, 5}, { 0, 6}, { 0, 7}, { 1, 3}, { 2, 0}, { 2, 1}, { 2, 2}, { 1, 4},
{ 1, 5}, { 1, 6}, { 1, 7}, { 2, 3}, { 3, 0}, { 3, 1}, { 3, 2}, { 2, 4},
{ 2, 5}, { 2, 6}, { 2, 7}, { 3, 3}, { 3, 4}, { 3, 5}, { 3, 6}, { 3, 7}
},{ // 4x4
{ 0, 0}, { 0, 1}, { 1, 0}, { 0, 2}, { 0, 3}, { 1, 1}, { 1, 2}, { 1, 3},
{ 2, 0}, { 2, 1}, { 2, 2}, { 2, 3}, { 3, 0}, { 3, 1}, { 3, 2}, { 3, 3}
}
}
};
const int ABT_COEFF_COST[4][64] = // TML COEFF_COST 'stretched' for ABT
{
{ // 8 x 8
3,3,3,3,2,2,2,2,2,2,2,2,1,1,1,1,
1,1,1,1,1,1,1,1,0,0,0,0,0,0,0,0,
0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0
},{ // 8 x 4
3,3,2,2,2,2,1,1,1,1,1,1,0,0,0,0,
0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0
},{ // 4 x 8
3,3,2,2,2,2,1,1,1,1,1,1,0,0,0,0,
0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0
},{ // 4 x 4
3,2,2,1,1,1,0,0,0,0,0,0,0,0,0,0
}
};
//identical to table in encoder. See comments there.
const char ABT_2D_VLC[NUM_2D_TABLES][16][8]=
{
{
{ 0, 1, 5, 13, 21, 31, 39, 47},
{-1, 3, 15, 33, 51, -1, -1, -1},
{-1, 7, 25, 53, -1, -1, -1, -1},
{-1, 9, 35, -1, -1, -1, -1, -1},
{-1, 11, 45, -1, -1, -1, -1, -1},
{-1, 17, 55, -1, -1, -1, -1, -1},
{-1, 19, -1, -1, -1, -1, -1, -1},
{-1, 23, -1, -1, -1, -1, -1, -1},
{-1, 27, -1, -1, -1, -1, -1, -1},
{-1, 29, -1, -1, -1, -1, -1, -1},
{-1, 37, -1, -1, -1, -1, -1, -1},
{-1, 41, -1, -1, -1, -1, -1, -1},
{-1, 43, -1, -1, -1, -1, -1, -1},
{-1, 49, -1, -1, -1, -1, -1, -1},
{-1, 57, -1, -1, -1, -1, -1, -1},
{-1, -1, -1, -1, -1, -1, -1, -1},
},{
{ 0, 1, 3, 7, 9, 13, 19, 21},
{-1, 5, 15, 25, 31, 39, 45, 49},
{-1, 11, 29, 41, 51, -1, -1, -1},
{-1, 17, 35, 55, -1, -1, -1, -1},
{-1, 23, 43, -1, -1, -1, -1, -1},
{-1, 27, 57, -1, -1, -1, -1, -1},
{-1, 33, -1, -1, -1, -1, -1, -1},
{-1, 37, -1, -1, -1, -1, -1, -1},
{-1, 47, -1, -1, -1, -1, -1, -1},
{-1, 53, -1, -1, -1, -1, -1, -1},
{-1, -1, -1, -1, -1, -1, -1, -1},
{-1, -1, -1, -1, -1, -1, -1, -1},
{-1, -1, -1, -1, -1, -1, -1, -1},
{-1, -1, -1, -1, -1, -1, -1, -1},
{-1, -1, -1, -1, -1, -1, -1, -1},
{-1, -1, -1, -1, -1, -1, -1, -1},
},{
{ 0, 1, 3, 9, 13, 19, 23, 31},
{-1, 5, 15, 27, 37, 49, 57, -1},
{-1, 7, 25, 43, -1, -1, -1, -1},
{-1, 11, 35, -1, -1, -1, -1, -1},
{-1, 17, 45, -1, -1, -1, -1, -1},
{-1, 21, 51, -1, -1, -1, -1, -1},
{-1, 29, -1, -1, -1, -1, -1, -1},
{-1, 33, -1, -1, -1, -1, -1, -1},
{-1, 39, -1, -1, -1, -1, -1, -1},
{-1, 41, -1, -1, -1, -1, -1, -1},
{-1, 47, -1, -1, -1, -1, -1, -1},
{-1, 53, -1, -1, -1, -1, -1, -1},
{-1, 55, -1, -1, -1, -1, -1, -1},
{-1, -1, -1, -1, -1, -1, -1, -1},
{-1, -1, -1, -1, -1, -1, -1, -1},
{-1, -1, -1, -1, -1, -1, -1, -1},
},{
{ 0, 1, 5, 13, 21, 33, 43, 57},
{-1, 3, 17, 31, 49, -1, -1, -1},
{-1, 7, 25, 47, -1, -1, -1, -1},
{-1, 9, 35, -1, -1, -1, -1, -1},
{-1, 11, 41, -1, -1, -1, -1, -1},
{-1, 15, 51, -1, -1, -1, -1, -1},
{-1, 19, -1, -1, -1, -1, -1, -1},
{-1, 23, -1, -1, -1, -1, -1, -1},
{-1, 27, -1, -1, -1, -1, -1, -1},
{-1, 29, -1, -1, -1, -1, -1, -1},
{-1, 37, -1, -1, -1, -1, -1, -1},
{-1, 39, -1, -1, -1, -1, -1, -1},
{-1, 45, -1, -1, -1, -1, -1, -1},
{-1, 53, -1, -1, -1, -1, -1, -1},
{-1, 55, -1, -1, -1, -1, -1, -1},
{-1, -1, -1, -1, -1, -1, -1, -1},
}
};
/*
const char ABT_2D_VLC[3][16][8]=
{
{
{ 0, 1, 7, 21, 39, 47, -1, -1},
{-1, 3, 27, 43, -1, -1, -1, -1},
{-1, 5, 37, -1, -1, -1, -1, -1},
{-1, 9, 45, -1, -1, -1, -1, -1},
{-1, 11, 49, -1, -1, -1, -1, -1},
{-1, 13, 51, -1, -1, -1, -1, -1},
{-1, 15, 53, -1, -1, -1, -1, -1},
{-1, 17, -1, -1, -1, -1, -1, -1},
{-1, 19, -1, -1, -1, -1, -1, -1},
{-1, 23, -1, -1, -1, -1, -1, -1},
{-1, 25, -1, -1, -1, -1, -1, -1},
{-1, 29, -1, -1, -1, -1, -1, -1},
{-1, 31, -1, -1, -1, -1, -1, -1},
{-1, 33, -1, -1, -1, -1, -1, -1},
{-1, 35, -1, -1, -1, -1, -1, -1},
{-1, 41, -1, -1, -1, -1, -1, 55}
},
{
{ 0, 1, 7, 21, 37, 53, -1, -1},
{-1, 3, 19, 41, 57, -1, -1, -1},
{-1, 5, 27, 55, -1, -1, -1, -1},
{-1, 9, 39, -1, -1, -1, -1, -1},
{-1, 11, 43, -1, -1, -1, -1, -1},
{-1, 13, 45, -1, -1, -1, -1, -1},
{-1, 15, 51, -1, -1, -1, -1, -1},
{-1, 17, -1, -1, -1, -1, -1, -1},
{-1, 23, -1, -1, -1, -1, -1, -1},
{-1, 25, -1, -1, -1, -1, -1, -1},
{-1, 29, -1, -1, -1, -1, -1, -1},
{-1, 31, -1, -1, -1, -1, -1, -1},
{-1, 33, -1, -1, -1, -1, -1, -1},
{-1, 35, -1, -1, -1, -1, -1, -1},
{-1, 47, -1, -1, -1, -1, -1, -1},
{-1, 49, -1, -1, -1, -1, -1, 59}
},
{
{ 0, 1, 9, 21, 33, 45, -1, -1},
{-1, 3, 15, 35, 53, -1, -1, -1},
{-1, 5, 25, 43, -1, -1, -1, -1},
{-1, 7, 27, 57, -1, -1, -1, -1},
{-1, 11, 37, -1, -1, -1, -1, -1},
{-1, 13, 39, -1, -1, -1, -1, -1},
{-1, 17, 47, -1, -1, -1, -1, -1},
{-1, 19, 49, -1, -1, -1, -1, -1},
{-1, 23, 51, -1, -1, -1, -1, -1},
{-1, 29, -1, -1, -1, -1, -1, -1},
{-1, 31, -1, -1, -1, -1, -1, -1},
{-1, 41, -1, -1, -1, -1, -1, -1},
{-1, 55, -1, -1, -1, -1, -1, -1},
{-1, 59, -1, -1, -1, -1, -1, -1},
{-1, -1, -1, -1, -1, -1, -1, -1},
{-1, -1, -1, -1, -1, -1, -1, 61}
},
};
*/
char ABT_2D_VLC_dec[4][64][2]={{{-1,-1}}}; //The -1 values indicate the table is not valid. It is generated the first time it's needed. It could also be placed here, but that is a potential source of bugs.
//masks to be used for the bits in Macroblock->cbp_blk (2.Jan.2001 dahlhoff)
// cbp_blk_masks[MB_mode 1..7][subblock 0..15]
const unsigned short int cbp_blk_masks[4][4]=
{
{0x0033U,0xFFFFU,0xFFFFU,0xFFFFU},
{0x0003U,0xFFFFU,0x0030U,0xFFFFU},
{0x0011U,0x0022U,0xFFFFU,0xFFFFU},
{0x0001U,0x0002U,0x0010U,0x0020U}
};