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/*
* H.263+ tables
*
* This file is part of FFmpeg.
*
* FFmpeg is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* FFmpeg is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with FFmpeg; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
/**
* @file
* H.263 tables.
*/
#include <stdint.h>
#include "libavutil/thread.h"
#include "h263data.h"
#include "mpegvideo.h"
/* intra MCBPC, mb_type = (intra), then (intraq) */
const uint8_t ff_h263_intra_MCBPC_code[9] = { 1, 1, 2, 3, 1, 1, 2, 3, 1 };
const uint8_t ff_h263_intra_MCBPC_bits[9] = { 1, 3, 3, 3, 4, 6, 6, 6, 9 };
/* inter MCBPC, mb_type = (inter), (intra), (interq), (intraq), (inter4v) */
/* Changed the tables for interq and inter4v+q, following the standard
* ** Juanjo ** */
const uint8_t ff_h263_inter_MCBPC_code[28] = {
1, 3, 2, 5,
3, 4, 3, 3,
3, 7, 6, 5,
4, 4, 3, 2,
2, 5, 4, 5,
1, 0, 0, 0, /* Stuffing */
2, 12, 14, 15,
};
const uint8_t ff_h263_inter_MCBPC_bits[28] = {
1, 4, 4, 6, /* inter */
5, 8, 8, 7, /* intra */
3, 7, 7, 9, /* interQ */
6, 9, 9, 9, /* intraQ */
3, 7, 7, 8, /* inter4 */
9, 0, 0, 0, /* Stuffing */
11, 13, 13, 13, /* inter4Q */
};
const uint8_t ff_h263_mbtype_b_tab[15][2] = {
{ 1, 1 },
{ 3, 3 },
{ 1, 5 },
{ 4, 4 },
{ 5, 4 },
{ 6, 6 },
{ 2, 4 },
{ 3, 4 },
{ 7, 6 },
{ 4, 6 },
{ 5, 6 },
{ 1, 6 },
{ 1, 10 },
{ 1, 7 },
{ 1, 8 },
};
const uint8_t ff_cbpc_b_tab[4][2] = {
{ 0, 1 },
{ 2, 2 },
{ 7, 3 },
{ 6, 3 },
};
const uint8_t ff_h263_cbpy_tab[16][2] = {
{ 3, 4 }, { 5, 5 }, { 4, 5 }, { 9, 4 }, { 3, 5 }, { 7, 4 }, { 2, 6 },
{ 11, 4 }, { 2, 5 }, { 3, 6 }, { 5, 4 }, { 10, 4 }, { 4, 4 }, { 8, 4 },
{ 6, 4 }, { 3, 2 }
};
const uint8_t ff_mvtab[33][2] = {
{ 1, 1 }, { 1, 2 }, { 1, 3 }, { 1, 4 }, { 3, 6 }, { 5, 7 },
{ 4, 7 }, { 3, 7 }, { 11, 9 }, { 10, 9 }, { 9, 9 }, { 17, 10 },
{ 16, 10 }, { 15, 10 }, { 14, 10 }, { 13, 10 }, { 12, 10 }, { 11, 10 },
{ 10, 10 }, { 9, 10 }, { 8, 10 }, { 7, 10 }, { 6, 10 }, { 5, 10 },
{ 4, 10 }, { 7, 11 }, { 6, 11 }, { 5, 11 }, { 4, 11 }, { 3, 11 },
{ 2, 11 }, { 3, 12 }, { 2, 12 }
};
/* third non intra table */
const uint16_t ff_inter_vlc[103][2] = {
{ 0x2, 2 }, { 0xf, 4 }, { 0x15, 6 }, { 0x17, 7 },
{ 0x1f, 8 }, { 0x25, 9 }, { 0x24, 9 }, { 0x21, 10 },
{ 0x20, 10 }, { 0x7, 11 }, { 0x6, 11 }, { 0x20, 11 },
{ 0x6, 3 }, { 0x14, 6 }, { 0x1e, 8 }, { 0xf, 10 },
{ 0x21, 11 }, { 0x50, 12 }, { 0xe, 4 }, { 0x1d, 8 },
{ 0xe, 10 }, { 0x51, 12 }, { 0xd, 5 }, { 0x23, 9 },
{ 0xd, 10 }, { 0xc, 5 }, { 0x22, 9 }, { 0x52, 12 },
{ 0xb, 5 }, { 0xc, 10 }, { 0x53, 12 }, { 0x13, 6 },
{ 0xb, 10 }, { 0x54, 12 }, { 0x12, 6 }, { 0xa, 10 },
{ 0x11, 6 }, { 0x9, 10 }, { 0x10, 6 }, { 0x8, 10 },
{ 0x16, 7 }, { 0x55, 12 }, { 0x15, 7 }, { 0x14, 7 },
{ 0x1c, 8 }, { 0x1b, 8 }, { 0x21, 9 }, { 0x20, 9 },
{ 0x1f, 9 }, { 0x1e, 9 }, { 0x1d, 9 }, { 0x1c, 9 },
{ 0x1b, 9 }, { 0x1a, 9 }, { 0x22, 11 }, { 0x23, 11 },
{ 0x56, 12 }, { 0x57, 12 }, { 0x7, 4 }, { 0x19, 9 },
{ 0x5, 11 }, { 0xf, 6 }, { 0x4, 11 }, { 0xe, 6 },
{ 0xd, 6 }, { 0xc, 6 }, { 0x13, 7 }, { 0x12, 7 },
{ 0x11, 7 }, { 0x10, 7 }, { 0x1a, 8 }, { 0x19, 8 },
{ 0x18, 8 }, { 0x17, 8 }, { 0x16, 8 }, { 0x15, 8 },
{ 0x14, 8 }, { 0x13, 8 }, { 0x18, 9 }, { 0x17, 9 },
{ 0x16, 9 }, { 0x15, 9 }, { 0x14, 9 }, { 0x13, 9 },
{ 0x12, 9 }, { 0x11, 9 }, { 0x7, 10 }, { 0x6, 10 },
{ 0x5, 10 }, { 0x4, 10 }, { 0x24, 11 }, { 0x25, 11 },
{ 0x26, 11 }, { 0x27, 11 }, { 0x58, 12 }, { 0x59, 12 },
{ 0x5a, 12 }, { 0x5b, 12 }, { 0x5c, 12 }, { 0x5d, 12 },
{ 0x5e, 12 }, { 0x5f, 12 }, { 0x3, 7 },
};
const int8_t ff_inter_level[102] = {
1, 2, 3, 4, 5, 6, 7, 8,
9, 10, 11, 12, 1, 2, 3, 4,
5, 6, 1, 2, 3, 4, 1, 2,
3, 1, 2, 3, 1, 2, 3, 1,
2, 3, 1, 2, 1, 2, 1, 2,
1, 2, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 2, 3, 1, 2, 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,
};
const int8_t ff_inter_run[102] = {
0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 1, 1, 1, 1,
1, 1, 2, 2, 2, 2, 3, 3,
3, 4, 4, 4, 5, 5, 5, 6,
6, 6, 7, 7, 8, 8, 9, 9,
10, 10, 11, 12, 13, 14, 15, 16,
17, 18, 19, 20, 21, 22, 23, 24,
25, 26, 0, 0, 0, 1, 1, 2,
3, 4, 5, 6, 7, 8, 9, 10,
11, 12, 13, 14, 15, 16, 17, 18,
19, 20, 21, 22, 23, 24, 25, 26,
27, 28, 29, 30, 31, 32, 33, 34,
35, 36, 37, 38, 39, 40,
};
RLTable ff_h263_rl_inter = {
102,
58,
ff_inter_vlc,
ff_inter_run,
ff_inter_level,
};
static const uint16_t intra_vlc_aic[103][2] = {
{ 0x2, 2 }, { 0x6, 3 }, { 0xe, 4 }, { 0xc, 5 },
{ 0xd, 5 }, { 0x10, 6 }, { 0x11, 6 }, { 0x12, 6 },
{ 0x16, 7 }, { 0x1b, 8 }, { 0x20, 9 }, { 0x21, 9 },
{ 0x1a, 9 }, { 0x1b, 9 }, { 0x1c, 9 }, { 0x1d, 9 },
{ 0x1e, 9 }, { 0x1f, 9 }, { 0x23, 11 }, { 0x22, 11 },
{ 0x57, 12 }, { 0x56, 12 }, { 0x55, 12 }, { 0x54, 12 },
{ 0x53, 12 }, { 0xf, 4 }, { 0x14, 6 }, { 0x14, 7 },
{ 0x1e, 8 }, { 0xf, 10 }, { 0x21, 11 }, { 0x50, 12 },
{ 0xb, 5 }, { 0x15, 7 }, { 0xe, 10 }, { 0x9, 10 },
{ 0x15, 6 }, { 0x1d, 8 }, { 0xd, 10 }, { 0x51, 12 },
{ 0x13, 6 }, { 0x23, 9 }, { 0x7, 11 }, { 0x17, 7 },
{ 0x22, 9 }, { 0x52, 12 }, { 0x1c, 8 }, { 0xc, 10 },
{ 0x1f, 8 }, { 0xb, 10 }, { 0x25, 9 }, { 0xa, 10 },
{ 0x24, 9 }, { 0x6, 11 }, { 0x21, 10 }, { 0x20, 10 },
{ 0x8, 10 }, { 0x20, 11 }, { 0x7, 4 }, { 0xc, 6 },
{ 0x10, 7 }, { 0x13, 8 }, { 0x11, 9 }, { 0x12, 9 },
{ 0x4, 10 }, { 0x27, 11 }, { 0x26, 11 }, { 0x5f, 12 },
{ 0xf, 6 }, { 0x13, 9 }, { 0x5, 10 }, { 0x25, 11 },
{ 0xe, 6 }, { 0x14, 9 }, { 0x24, 11 }, { 0xd, 6 },
{ 0x6, 10 }, { 0x5e, 12 }, { 0x11, 7 }, { 0x7, 10 },
{ 0x13, 7 }, { 0x5d, 12 }, { 0x12, 7 }, { 0x5c, 12 },
{ 0x14, 8 }, { 0x5b, 12 }, { 0x15, 8 }, { 0x1a, 8 },
{ 0x19, 8 }, { 0x18, 8 }, { 0x17, 8 }, { 0x16, 8 },
{ 0x19, 9 }, { 0x15, 9 }, { 0x16, 9 }, { 0x18, 9 },
{ 0x17, 9 }, { 0x4, 11 }, { 0x5, 11 }, { 0x58, 12 },
{ 0x59, 12 }, { 0x5a, 12 }, { 0x3, 7 },
};
static const int8_t intra_run_aic[102] = {
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, 1, 1, 1, 1, 1, 1,
2, 2, 2, 2, 3, 3, 3, 3,
4, 4, 4, 5, 5, 5, 6, 6,
7, 7, 8, 8, 9, 9, 10, 11,
12, 13, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 1, 1, 1, 1,
2, 2, 2, 3, 3, 3, 4, 4,
5, 5, 6, 6, 7, 7, 8, 9,
10, 11, 12, 13, 14, 15, 16, 17,
18, 19, 20, 21, 22, 23,
};
static const int8_t intra_level_aic[102] = {
1, 2, 3, 4, 5, 6, 7, 8,
9, 10, 11, 12, 13, 14, 15, 16,
17, 18, 19, 20, 21, 22, 23, 24,
25, 1, 2, 3, 4, 5, 6, 7,
1, 2, 3, 4, 1, 2, 3, 4,
1, 2, 3, 1, 2, 3, 1, 2,
1, 2, 1, 2, 1, 2, 1, 1,
1, 1, 1, 2, 3, 4, 5, 6,
7, 8, 9, 10, 1, 2, 3, 4,
1, 2, 3, 1, 2, 3, 1, 2,
1, 2, 1, 2, 1, 2, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1,
};
RLTable ff_rl_intra_aic = {
102,
58,
intra_vlc_aic,
intra_run_aic,
intra_level_aic,
};
const uint16_t ff_h263_format[8][2] = {
{ 0, 0 },
{ 128, 96 },
{ 176, 144 },
{ 352, 288 },
{ 704, 576 },
{ 1408, 1152 },
};
const uint8_t ff_aic_dc_scale_table[32] = {
// 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31
0, 2, 4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24, 26, 28, 30, 32, 34, 36, 38, 40, 42, 44, 46, 48, 50, 52, 54, 56, 58, 60, 62
};
const uint8_t ff_modified_quant_tab[2][32] = {
// 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31
{
0, 3, 1, 2, 3, 4, 5, 6, 7, 8, 9, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28
},
{
0, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 24, 25, 26, 27, 28, 29, 30, 31, 31, 31, 26
}
};
const uint8_t ff_h263_chroma_qscale_table[32] = {
// 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31
0, 1, 2, 3, 4, 5, 6, 6, 7, 8, 9, 9, 10, 10, 11, 11, 12, 12, 12, 13, 13, 13, 14, 14, 14, 14, 14, 15, 15, 15, 15, 15
};
const uint16_t ff_mba_max[6] = {
47, 98, 395, 1583, 6335, 9215
};
const uint8_t ff_mba_length[7] = {
6, 7, 9, 11, 13, 14, 14
};
const AVRational ff_h263_pixel_aspect[16] = {
{ 0, 1 },
{ 1, 1 },
{ 12, 11 },
{ 10, 11 },
{ 16, 11 },
{ 40, 33 },
{ 0, 1 },
{ 0, 1 },
{ 0, 1 },
{ 0, 1 },
{ 0, 1 },
{ 0, 1 },
{ 0, 1 },
{ 0, 1 },
{ 0, 1 },
{ 0, 1 },
};
static av_cold void h263_init_rl_inter(void)
{
static uint8_t h263_rl_inter_table[2][2 * MAX_RUN + MAX_LEVEL + 3];
ff_rl_init(&ff_h263_rl_inter, h263_rl_inter_table);
}
av_cold void ff_h263_init_rl_inter(void)
{
static AVOnce init_static_once = AV_ONCE_INIT;
ff_thread_once(&init_static_once, h263_init_rl_inter);
}
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