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309 lines
10 KiB
C
309 lines
10 KiB
C
/*
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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 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 h263data.h
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* H.263 tables.
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*/
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/* intra MCBPC, mb_type = (intra), then (intraq) */
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const uint8_t intra_MCBPC_code[9] = { 1, 1, 2, 3, 1, 1, 2, 3, 1 };
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const uint8_t 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 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 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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static 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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static const int h263_mb_type_b_map[15]= {
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MB_TYPE_DIRECT2 | MB_TYPE_L0L1,
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MB_TYPE_DIRECT2 | MB_TYPE_L0L1 | MB_TYPE_CBP,
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MB_TYPE_DIRECT2 | MB_TYPE_L0L1 | MB_TYPE_CBP | MB_TYPE_QUANT,
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MB_TYPE_L0 | MB_TYPE_16x16,
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MB_TYPE_L0 | MB_TYPE_CBP | MB_TYPE_16x16,
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MB_TYPE_L0 | MB_TYPE_CBP | MB_TYPE_QUANT | MB_TYPE_16x16,
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MB_TYPE_L1 | MB_TYPE_16x16,
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MB_TYPE_L1 | MB_TYPE_CBP | MB_TYPE_16x16,
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MB_TYPE_L1 | MB_TYPE_CBP | MB_TYPE_QUANT | MB_TYPE_16x16,
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MB_TYPE_L0L1 | MB_TYPE_16x16,
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MB_TYPE_L0L1 | MB_TYPE_CBP | MB_TYPE_16x16,
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MB_TYPE_L0L1 | MB_TYPE_CBP | MB_TYPE_QUANT | MB_TYPE_16x16,
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0, //stuffing
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MB_TYPE_INTRA4x4 | MB_TYPE_CBP,
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MB_TYPE_INTRA4x4 | MB_TYPE_CBP | MB_TYPE_QUANT,
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};
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static 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 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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static RLTable 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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static 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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static const uint8_t wrong_run[102] = {
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1, 2, 3, 5, 4, 10, 9, 8,
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11, 15, 17, 16, 23, 22, 21, 20,
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19, 18, 25, 24, 27, 26, 11, 7,
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6, 1, 2, 13, 2, 2, 2, 2,
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6, 12, 3, 9, 1, 3, 4, 3,
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7, 4, 1, 1, 5, 5, 14, 6,
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1, 7, 1, 8, 1, 1, 1, 1,
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10, 1, 1, 5, 9, 17, 25, 24,
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29, 33, 32, 41, 2, 23, 28, 31,
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3, 22, 30, 4, 27, 40, 8, 26,
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6, 39, 7, 38, 16, 37, 15, 10,
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11, 12, 13, 14, 1, 21, 20, 18,
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19, 2, 1, 34, 35, 36
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};
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static 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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static 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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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 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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