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