📄 mvtable.c
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{2, 3}, {2, 3}, {2, 3}, {2, 3}, {2, 3}, {2, 3}, {2, 3}, {2, 3},
{2, 3}, {2, 3}, {2, 3}, {2, 3}, {2, 3}, {2, 3}, {2, 3}, {2, 3},
{2, 3}, {2, 3}, {2, 3}, {2, 3}, {2, 3}, {2, 3}, {2, 3}, {2, 3},
{1, 3}, {1, 3}, {1, 3}, {1, 3}, {1, 3}, {1, 3}, {1, 3}, {1, 3},
{1, 3}, {1, 3}, {1, 3}, {1, 3}, {1, 3}, {1, 3}, {1, 3}, {1, 3},
{1, 3}, {1, 3}, {1, 3}, {1, 3}, {1, 3}, {1, 3}, {1, 3}, {1, 3},
{1, 3}, {1, 3}, {1, 3}, {1, 3}, {1, 3}, {1, 3}, {1, 3}, {1, 3},
{1, 3}, {1, 3}, {1, 3}, {1, 3}, {1, 3}, {1, 3}, {1, 3}, {1, 3},
{1, 3}, {1, 3}, {1, 3}, {1, 3}, {1, 3}, {1, 3}, {1, 3}, {1, 3},
{1, 3}, {1, 3}, {1, 3}, {1, 3}, {1, 3}, {1, 3}, {1, 3}, {1, 3},
{1, 3}, {1, 3}, {1, 3}, {1, 3}, {1, 3}, {1, 3}, {1, 3}, {1, 3},
{0, 1}
};
VLC const cbpy_table[64] = {
{-1, 0}, {-1, 0}, {6, 6}, {9, 6}, {8, 5}, {8, 5}, {4, 5}, {4, 5},
{2, 5}, {2, 5}, {1, 5}, {1, 5}, {0, 4}, {0, 4}, {0, 4}, {0, 4},
{12, 4}, {12, 4}, {12, 4}, {12, 4}, {10, 4}, {10, 4}, {10, 4}, {10, 4},
{14, 4}, {14, 4}, {14, 4}, {14, 4}, {5, 4}, {5, 4}, {5, 4}, {5, 4},
{13, 4}, {13, 4}, {13, 4}, {13, 4}, {3, 4}, {3, 4}, {3, 4}, {3, 4},
{11, 4}, {11, 4}, {11, 4}, {11, 4}, {7, 4}, {7, 4}, {7, 4}, {7, 4},
{15, 2}, {15, 2}, {15, 2}, {15, 2}, {15, 2}, {15, 2}, {15, 2}, {15, 2},
{15, 2}, {15, 2}, {15, 2}, {15, 2}, {15, 2}, {15, 2}, {15, 2}, {15, 2}
};
VLC const TMNMVtab0[] = {
{3, 4}, {-3, 4}, {2, 3}, {2, 3}, {-2, 3}, {-2, 3}, {1, 2},
{1, 2}, {1, 2}, {1, 2}, {-1, 2}, {-1, 2}, {-1, 2}, {-1, 2}
};
VLC const TMNMVtab1[] = {
{12, 10}, {-12, 10}, {11, 10}, {-11, 10},
{10, 9}, {10, 9}, {-10, 9}, {-10, 9},
{9, 9}, {9, 9}, {-9, 9}, {-9, 9},
{8, 9}, {8, 9}, {-8, 9}, {-8, 9},
{7, 7}, {7, 7}, {7, 7}, {7, 7},
{7, 7}, {7, 7}, {7, 7}, {7, 7},
{-7, 7}, {-7, 7}, {-7, 7}, {-7, 7},
{-7, 7}, {-7, 7}, {-7, 7}, {-7, 7},
{6, 7}, {6, 7}, {6, 7}, {6, 7},
{6, 7}, {6, 7}, {6, 7}, {6, 7},
{-6, 7}, {-6, 7}, {-6, 7}, {-6, 7},
{-6, 7}, {-6, 7}, {-6, 7}, {-6, 7},
{5, 7}, {5, 7}, {5, 7}, {5, 7},
{5, 7}, {5, 7}, {5, 7}, {5, 7},
{-5, 7}, {-5, 7}, {-5, 7}, {-5, 7},
{-5, 7}, {-5, 7}, {-5, 7}, {-5, 7},
{4, 6}, {4, 6}, {4, 6}, {4, 6},
{4, 6}, {4, 6}, {4, 6}, {4, 6},
{4, 6}, {4, 6}, {4, 6}, {4, 6},
{4, 6}, {4, 6}, {4, 6}, {4, 6},
{-4, 6}, {-4, 6}, {-4, 6}, {-4, 6},
{-4, 6}, {-4, 6}, {-4, 6}, {-4, 6},
{-4, 6}, {-4, 6}, {-4, 6}, {-4, 6},
{-4, 6}, {-4, 6}, {-4, 6}, {-4, 6}
};
VLC const TMNMVtab2[] = {
{32, 12}, {-32, 12}, {31, 12}, {-31, 12},
{30, 11}, {30, 11}, {-30, 11}, {-30, 11},
{29, 11}, {29, 11}, {-29, 11}, {-29, 11},
{28, 11}, {28, 11}, {-28, 11}, {-28, 11},
{27, 11}, {27, 11}, {-27, 11}, {-27, 11},
{26, 11}, {26, 11}, {-26, 11}, {-26, 11},
{25, 11}, {25, 11}, {-25, 11}, {-25, 11},
{24, 10}, {24, 10}, {24, 10}, {24, 10},
{-24, 10}, {-24, 10}, {-24, 10}, {-24, 10},
{23, 10}, {23, 10}, {23, 10}, {23, 10},
{-23, 10}, {-23, 10}, {-23, 10}, {-23, 10},
{22, 10}, {22, 10}, {22, 10}, {22, 10},
{-22, 10}, {-22, 10}, {-22, 10}, {-22, 10},
{21, 10}, {21, 10}, {21, 10}, {21, 10},
{-21, 10}, {-21, 10}, {-21, 10}, {-21, 10},
{20, 10}, {20, 10}, {20, 10}, {20, 10},
{-20, 10}, {-20, 10}, {-20, 10}, {-20, 10},
{19, 10}, {19, 10}, {19, 10}, {19, 10},
{-19, 10}, {-19, 10}, {-19, 10}, {-19, 10},
{18, 10}, {18, 10}, {18, 10}, {18, 10},
{-18, 10}, {-18, 10}, {-18, 10}, {-18, 10},
{17, 10}, {17, 10}, {17, 10}, {17, 10},
{-17, 10}, {-17, 10}, {-17, 10}, {-17, 10},
{16, 10}, {16, 10}, {16, 10}, {16, 10},
{-16, 10}, {-16, 10}, {-16, 10}, {-16, 10},
{15, 10}, {15, 10}, {15, 10}, {15, 10},
{-15, 10}, {-15, 10}, {-15, 10}, {-15, 10},
{14, 10}, {14, 10}, {14, 10}, {14, 10},
{-14, 10}, {-14, 10}, {-14, 10}, {-14, 10},
{13, 10}, {13, 10}, {13, 10}, {13, 10},
{-13, 10}, {-13, 10}, {-13, 10}, {-13, 10}
};
short const dc_threshold[] = {
26708, 29545, 29472, 26223, 30580, 29281, 8293, 29545,
25632, 29285, 30313, 25701, 26144, 28530, 8301, 26740,
8293, 20039, 8277, 20551, 8268, 30296, 17513, 25376,
25711, 25445, 10272, 11825, 11825, 10544, 2606, 28505,
29301, 29472, 26223, 30580, 29281, 8293, 26980, 29811,
26994, 30050, 28532, 8306, 24936, 8307, 28532, 26400,
30313, 8293, 25441, 25955, 29555, 29728, 8303, 29801,
8307, 28531, 29301, 25955, 25376, 25711, 11877, 10
};
VLC const dc_lum_tab[] = {
{0, 0}, {4, 3}, {3, 3}, {0, 3},
{2, 2}, {2, 2}, {1, 2}, {1, 2},
};
const uint16_t scan_tables[3][64] = {
/* zig_zag_scan */
{ 0, 1, 8, 16, 9, 2, 3, 10,
17, 24, 32, 25, 18, 11, 4, 5,
12, 19, 26, 33, 40, 48, 41, 34,
27, 20, 13, 6, 7, 14, 21, 28,
35, 42, 49, 56, 57, 50, 43, 36,
29, 22, 15, 23, 30, 37, 44, 51,
58, 59, 52, 45, 38, 31, 39, 46,
53, 60, 61, 54, 47, 55, 62, 63},
/* horizontal_scan */
{ 0, 1, 2, 3, 8, 9, 16, 17,
10, 11, 4, 5, 6, 7, 15, 14,
13, 12, 19, 18, 24, 25, 32, 33,
26, 27, 20, 21, 22, 23, 28, 29,
30, 31, 34, 35, 40, 41, 48, 49,
42, 43, 36, 37, 38, 39, 44, 45,
46, 47, 50, 51, 56, 57, 58, 59,
52, 53, 54, 55, 60, 61, 62, 63},
/* vertical_scan */
{ 0, 8, 16, 24, 1, 9, 2, 10,
17, 25, 32, 40, 48, 56, 57, 49,
41, 33, 26, 18, 3, 11, 4, 12,
19, 27, 34, 42, 50, 58, 35, 43,
51, 59, 20, 28, 5, 13, 6, 14,
21, 29, 36, 44, 52, 60, 37, 45,
53, 61, 22, 30, 7, 15, 23, 31,
38, 46, 54, 62, 39, 47, 55, 63}
};
const uint8_t default_intra_matrix[64] = {
8, 17, 18, 19, 21, 23, 25, 27,
17, 18, 19, 21, 23, 25, 27, 28,
20, 21, 22, 23, 24, 26, 28, 30,
21, 22, 23, 24, 26, 28, 30, 32,
22, 23, 24, 26, 28, 30, 32, 35,
23, 24, 26, 28, 30, 32, 35, 38,
25, 26, 28, 30, 32, 35, 38, 41,
27, 28, 30, 32, 35, 38, 41, 45
};
const uint8_t default_inter_matrix[64] = {
16, 17, 18, 19, 20, 21, 22, 23,
17, 18, 19, 20, 21, 22, 23, 24,
18, 19, 20, 21, 22, 23, 24, 25,
19, 20, 21, 22, 23, 24, 26, 27,
20, 21, 22, 23, 25, 26, 27, 28,
21, 22, 23, 24, 26, 27, 28, 30,
22, 23, 24, 26, 27, 28, 30, 31,
23, 24, 25, 27, 28, 30, 31, 33
};
const uint32_t intra_dc_threshold_table[8] = {
32, /* never use */
13,
15,
17,
19,
21,
23,
1,
};
const int16_t default_acdc_values[15] = {
1024,
0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0
};
REVERSE_EVENT DCT3D[2][4096];
const uint32_t multipliers[32] =
{
0, FIX(2), FIX(4), FIX(6),
FIX(8), FIX(10), FIX(12), FIX(14),
FIX(16), FIX(18), FIX(20), FIX(22),
FIX(24), FIX(26), FIX(28), FIX(30),
FIX(32), FIX(34), FIX(36), FIX(38),
FIX(40), FIX(42), FIX(44), FIX(46),
FIX(48), FIX(50), FIX(52), FIX(54),
FIX(56), FIX(58), FIX(60), FIX(62)
};
const uint32_t MTab[16] =
{
MLT( 0), MLT( 1), MLT( 2), MLT( 3), MLT( 4), MLT( 5), MLT( 6), MLT( 7),
MLT( 8), MLT( 9), MLT(10), MLT(11), MLT(12), MLT(13), MLT(14), MLT(15)
};
const int32_t dquant_table[4] = {
-1, -2, 1, 2
};
const uint32_t roundtab_79[4] ={
0, 1, 0, 0};
const uint32_t roundtab_76[16] =
{ 0, 0, 0, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 1, 1 };
const int32_t FIR_Tab_8[9][8] = {
{ 14, -3, 2, -1, 0, 0, 0, 0 },
{ 23, 19, -6, 3, -1, 0, 0, 0 },
{ -7, 20, 20, -6, 3, -1, 0, 0 },
{ 3, -6, 20, 20, -6, 3, -1, 0 },
{ -1, 3, -6, 20, 20, -6, 3, -1 },
{ 0, -1, 3, -6, 20, 20, -6, 3 },
{ 0, 0, -1, 3, -6, 20, 20, -7 },
{ 0, 0, 0, -1, 3, -6, 19, 23 },
{ 0, 0, 0, 0, -1, 2, -3, 14 }
};
void init_vlc_tables(void)
{
uint32_t i, j, k, intra, last, run, run_esc, level, level_esc, escape, escape_len, offset;
int32_t l;
for (intra = 0; intra < 2; intra++)
for (i = 0; i < 4096; i++)
DCT3D[intra][i].event.level = 0;
for (intra = 0; intra < 2; intra++) {
for (last = 0; last < 2; last++) {
for (run = 0; run < 63 + last; run++) {
for (level = 0; level < (uint32_t)(32 << intra); level++) {
offset = !intra * LEVELOFFSET;
coeff_VLC[intra][last][level + offset][run].len = 128;
}
}
}
}
for (intra = 0; intra < 2; intra++) {
for (i = 0; i < 102; i++) {
offset = !intra * LEVELOFFSET;
for (j = 0; j < (uint32_t)(1 << (12 - coeff_tab[intra][i].vlc.len)); j++) {
DCT3D[intra][(coeff_tab[intra][i].vlc.code << (12 - coeff_tab[intra][i].vlc.len)) | j].len = coeff_tab[intra][i].vlc.len;
DCT3D[intra][(coeff_tab[intra][i].vlc.code << (12 - coeff_tab[intra][i].vlc.len)) | j].event = coeff_tab[intra][i].event;
}
coeff_VLC[intra][coeff_tab[intra][i].event.last][coeff_tab[intra][i].event.level + offset][coeff_tab[intra][i].event.run].code
= coeff_tab[intra][i].vlc.code << 1;
coeff_VLC[intra][coeff_tab[intra][i].event.last][coeff_tab[intra][i].event.level + offset][coeff_tab[intra][i].event.run].len
= coeff_tab[intra][i].vlc.len + 1;
if (!intra) {
coeff_VLC[intra][coeff_tab[intra][i].event.last][offset - coeff_tab[intra][i].event.level][coeff_tab[intra][i].event.run].code
= (coeff_tab[intra][i].vlc.code << 1) | 1;
coeff_VLC[intra][coeff_tab[intra][i].event.last][offset - coeff_tab[intra][i].event.level][coeff_tab[intra][i].event.run].len
= coeff_tab[intra][i].vlc.len + 1;
}
}
}
for (intra = 0; intra < 2; intra++) {
for (last = 0; last < 2; last++) {
for (run = 0; run < 63 + last; run++) {
for (level = 1; level < (uint32_t)(32 << intra); level++) {
if (level <= max_level[intra][last][run] && run <= max_run[intra][last][level])
continue;
offset = !intra * LEVELOFFSET;
level_esc = level - max_level[intra][last][run];
run_esc = run - 1 - max_run[intra][last][level];
if (level_esc <= max_level[intra][last][run] && run <= max_run[intra][last][level_esc]) {
escape = ESCAPE1;
escape_len = 7 + 1;
run_esc = run;
} else {
if (run_esc <= max_run[intra][last][level] && level <= max_level[intra][last][run_esc]) {
escape = ESCAPE2;
escape_len = 7 + 2;
level_esc = level;
} else {
if (!intra) {
coeff_VLC[intra][last][level + offset][run].code
= (ESCAPE3 << 21) | (last << 20) | (run << 14) | (1 << 13) | ((level & 0xfff) << 1) | 1;
coeff_VLC[intra][last][level + offset][run].len = 30;
coeff_VLC[intra][last][offset - level][run].code
= (ESCAPE3 << 21) | (last << 20) | (run << 14) | (1 << 13) | ((-(int32_t)level & 0xfff) << 1) | 1;
coeff_VLC[intra][last][offset - level][run].len = 30;
}
continue;
}
}
coeff_VLC[intra][last][level + offset][run].code
= (escape << coeff_VLC[intra][last][level_esc + offset][run_esc].len)
| coeff_VLC[intra][last][level_esc + offset][run_esc].code;
coeff_VLC[intra][last][level + offset][run].len
= coeff_VLC[intra][last][level_esc + offset][run_esc].len + escape_len;
if (!intra) {
coeff_VLC[intra][last][offset - level][run].code
= (escape << coeff_VLC[intra][last][level_esc + offset][run_esc].len)
| coeff_VLC[intra][last][level_esc + offset][run_esc].code | 1;
coeff_VLC[intra][last][offset - level][run].len
= coeff_VLC[intra][last][level_esc + offset][run_esc].len + escape_len;
}
}
if (!intra) {
coeff_VLC[intra][last][0][run].code
= (ESCAPE3 << 21) | (last << 20) | (run << 14) | (1 << 13) | ((-32 & 0xfff) << 1) | 1;
coeff_VLC[intra][last][0][run].len = 30;
}
}
}
}
/* init sprite_trajectory tables
* even if GMC is not specified (it might be used later...) */
sprite_trajectory_code[0+16384].code = 0;
sprite_trajectory_code[0+16384].len = 0;
for (k=0;k<14;k++) {
int limit = (1<<k);
for (l=-(2*limit-1); l <= -limit; l++) {
sprite_trajectory_code[l+16384].code = (2*limit-1)+l;
sprite_trajectory_code[l+16384].len = k+1;
}
for (l=limit; l<= 2*limit-1; l++) {
sprite_trajectory_code[l+16384].code = l;
sprite_trajectory_code[l+16384].len = k+1;
}
}
}
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