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ffmpeg / libavcodec / h263data.h @ 2912e87a

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/*
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 * copyright (c) 2000,2001 Fabrice Bellard
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 * H263+ support
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 * copyright (c) 2001 Juan J. Sierralta P
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 * copyright (c) 2002-2004 Michael Niedermayer <michaelni@gmx.at>
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 *
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 * This file is part of Libav.
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 *
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 * Libav 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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 * Libav 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 Libav; 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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#ifndef AVCODEC_H263DATA_H
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#define AVCODEC_H263DATA_H
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#include <stdint.h>
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#include "mpegvideo.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 ** 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 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 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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{
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  {3,4}, {5,5}, {4,5}, {9,4}, {3,5}, {7,4}, {2,6}, {11,4},
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  {2,5}, {3,6}, {5,4}, {10,4}, {4,4}, {8,4}, {6,4}, {3,2}
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};
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const uint8_t mvtab[33][2] =
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{
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  {1,1}, {1,2}, {1,3}, {1,4}, {3,6}, {5,7}, {4,7}, {3,7},
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  {11,9}, {10,9}, {9,9}, {17,10}, {16,10}, {15,10}, {14,10}, {13,10},
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  {12,10}, {11,10}, {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}, {2,11}, {3,12},
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  {2,12}
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};
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/* third non intra table */
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const uint16_t 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 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 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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    inter_vlc,
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    inter_run,
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    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 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 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 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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    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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uint16_t ff_mba_max[6]={
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     47,  98, 395,1583,6335,9215
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};
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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 uint8_t ff_h263_loop_filter_strength[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, 1, 2, 2, 3, 3, 4, 4, 4, 5, 5, 6, 6, 7, 7, 7, 8, 8, 8, 9, 9, 9,10,10,10,11,11,11,12,12,12
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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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#endif /* AVCODEC_H263DATA_H */