| /* |
| * Indeo Video Interactive 4 compatible decoder |
| * Copyright (c) 2009-2010 Maxim Poliakovski |
| * |
| * 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 |
| * This file contains data needed for the Indeo 4 decoder. |
| */ |
| |
| #ifndef AVCODEC_INDEO4DATA_H |
| #define AVCODEC_INDEO4DATA_H |
| |
| #include <stdint.h> |
| |
| #include "ivi.h" |
| |
| /** |
| * standard picture dimensions |
| */ |
| static const uint16_t ivi4_common_pic_sizes[14] = { |
| 640, 480, 320, 240, 160, 120, 704, 480, 352, 240, 352, 288, 176, 144 |
| }; |
| |
| /** |
| * Indeo 4 8x8 scan (zigzag) patterns |
| */ |
| static const uint8_t ivi4_alternate_scan_8x8[64] = { |
| 0, 8, 1, 9, 16, 24, 2, 3, 17, 25, 10, 11, 32, 40, 48, 56, |
| 4, 5, 6, 7, 33, 41, 49, 57, 18, 19, 26, 27, 12, 13, 14, 15, |
| 34, 35, 43, 42, 50, 51, 59, 58, 20, 21, 22, 23, 31, 30, 29, 28, |
| 36, 37, 38, 39, 47, 46, 45, 44, 52, 53, 54, 55, 63, 62, 61, 60 |
| }; |
| |
| static const uint8_t ivi4_alternate_scan_4x4[16] = { |
| 0, 1, 4, 5, 8, 12, 2, 3, 9, 13, 6, 7, 10, 11, 14, 15 |
| }; |
| |
| static const uint8_t ivi4_vertical_scan_4x4[16] = { |
| 0, 4, 8, 12, 1, 5, 9, 13, 2, 6, 10, 14, 3, 7, 11, 15 |
| }; |
| |
| static const uint8_t ivi4_horizontal_scan_4x4[16] = { |
| 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15 |
| }; |
| |
| static const uint8_t * const scan_index_to_tab[15] = { |
| // for 8x8 transforms |
| ff_zigzag_direct, |
| ivi4_alternate_scan_8x8, |
| ff_ivi_horizontal_scan_8x8, |
| ff_ivi_vertical_scan_8x8, |
| ff_zigzag_direct, |
| |
| // for 4x4 transforms |
| ff_ivi_direct_scan_4x4, |
| ivi4_alternate_scan_4x4, |
| ivi4_vertical_scan_4x4, |
| ivi4_horizontal_scan_4x4, |
| ff_ivi_direct_scan_4x4, |
| |
| // TODO: check if those are needed |
| ff_ivi_horizontal_scan_8x8, |
| ff_ivi_horizontal_scan_8x8, |
| ff_ivi_horizontal_scan_8x8, |
| ff_ivi_horizontal_scan_8x8, |
| ff_ivi_horizontal_scan_8x8 |
| }; |
| |
| /** |
| * Indeo 4 dequant tables |
| */ |
| static const uint16_t ivi4_quant_8x8_intra[9][64] = { |
| { |
| 43, 342, 385, 470, 555, 555, 598, 726, |
| 342, 342, 470, 513, 555, 598, 726, 769, |
| 385, 470, 555, 555, 598, 726, 726, 811, |
| 470, 470, 555, 555, 598, 726, 769, 854, |
| 470, 555, 555, 598, 683, 726, 854, 1025, |
| 555, 555, 598, 683, 726, 854, 1025, 1153, |
| 555, 555, 598, 726, 811, 982, 1195, 1451, |
| 555, 598, 726, 811, 982, 1195, 1451, 1793 |
| }, |
| { |
| 86, 1195, 2390, 2390, 4865, 4865, 4865, 4865, |
| 1195, 1195, 2390, 2390, 4865, 4865, 4865, 4865, |
| 2390, 2390, 4865, 4865, 6827, 6827, 6827, 6827, |
| 2390, 2390, 4865, 4865, 6827, 6827, 6827, 6827, |
| 4865, 4865, 6827, 6827, 6827, 6827, 6827, 6827, |
| 4865, 4865, 6827, 6827, 6827, 6827, 6827, 6827, |
| 4865, 4865, 6827, 6827, 6827, 6827, 6827, 6827, |
| 4865, 4865, 6827, 6827, 6827, 6827, 6827, 6827 |
| }, |
| { |
| 235, 1067, 1195, 1323, 1451, 1579, 1707, 1835, |
| 235, 1067, 1195, 1323, 1451, 1579, 1707, 1835, |
| 235, 1067, 1195, 1323, 1451, 1579, 1707, 1835, |
| 235, 1067, 1195, 1323, 1451, 1579, 1707, 1835, |
| 235, 1067, 1195, 1323, 1451, 1579, 1707, 1835, |
| 235, 1067, 1195, 1323, 1451, 1579, 1707, 1835, |
| 235, 1067, 1195, 1323, 1451, 1579, 1707, 1835, |
| 235, 1067, 1195, 1323, 1451, 1579, 1707, 1835 |
| }, |
| { |
| 1707, 1707, 3414, 3414, 3414, 3414, 3414, 3414, |
| 1707, 1707, 3414, 3414, 3414, 3414, 3414, 3414, |
| 1707, 1707, 3414, 3414, 3414, 3414, 3414, 3414, |
| 1707, 1707, 3414, 3414, 3414, 3414, 3414, 3414, |
| 1707, 1707, 3414, 3414, 3414, 3414, 3414, 3414, |
| 1707, 1707, 3414, 3414, 3414, 3414, 3414, 3414, |
| 1707, 1707, 3414, 3414, 3414, 3414, 3414, 3414, |
| 1707, 1707, 3414, 3414, 3414, 3414, 3414, 3414 |
| }, |
| { |
| 897, 897, 897, 897, 897, 897, 897, 897, |
| 1067, 1067, 1067, 1067, 1067, 1067, 1067, 1067, |
| 1238, 1238, 1238, 1238, 1238, 1238, 1238, 1238, |
| 1409, 1409, 1409, 1409, 1409, 1409, 1409, 1409, |
| 1579, 1579, 1579, 1579, 1579, 1579, 1579, 1579, |
| 1750, 1750, 1750, 1750, 1750, 1750, 1750, 1750, |
| 1921, 1921, 1921, 1921, 1921, 1921, 1921, 1921, |
| 2091, 2091, 2091, 2091, 2091, 2091, 2091, 2091 |
| }, |
| { |
| 1707, 1707, 1707, 1707, 1707, 1707, 1707, 1707, |
| 1707, 1707, 1707, 1707, 1707, 1707, 1707, 1707, |
| 3414, 3414, 3414, 3414, 3414, 3414, 3414, 3414, |
| 3414, 3414, 3414, 3414, 3414, 3414, 3414, 3414, |
| 3414, 3414, 3414, 3414, 3414, 3414, 3414, 3414, |
| 3414, 3414, 3414, 3414, 3414, 3414, 3414, 3414, |
| 3414, 3414, 3414, 3414, 3414, 3414, 3414, 3414, |
| 3414, 3414, 3414, 3414, 3414, 3414, 3414, 3414 |
| }, |
| { |
| 2390, 2390, 2390, 2390, 2390, 2390, 2390, 2390, |
| 2390, 2390, 2390, 2390, 2390, 2390, 2390, 2390, |
| 2390, 2390, 2390, 2390, 2390, 2390, 2390, 2390, |
| 2390, 2390, 2390, 2390, 2390, 2390, 2390, 2390, |
| 2390, 2390, 2390, 2390, 2390, 2390, 2390, 2390, |
| 2390, 2390, 2390, 2390, 2390, 2390, 2390, 2390, |
| 2390, 2390, 2390, 2390, 2390, 2390, 2390, 2390, |
| 2390, 2390, 2390, 2390, 2390, 2390, 2390, 2390 |
| }, |
| { |
| 22, 171, 214, 257, 257, 299, 299, 342, |
| 171, 171, 257, 257, 299, 299, 342, 385, |
| 214, 257, 257, 299, 299, 342, 342, 385, |
| 257, 257, 257, 299, 299, 342, 385, 427, |
| 257, 257, 299, 299, 342, 385, 427, 513, |
| 257, 299, 299, 342, 385, 427, 513, 598, |
| 299, 299, 299, 385, 385, 470, 598, 726, |
| 299, 299, 385, 385, 470, 598, 726, 897 |
| }, |
| { |
| 86, 598, 1195, 1195, 2390, 2390, 2390, 2390, |
| 598, 598, 1195, 1195, 2390, 2390, 2390, 2390, |
| 1195, 1195, 2390, 2390, 3414, 3414, 3414, 3414, |
| 1195, 1195, 2390, 2390, 3414, 3414, 3414, 3414, |
| 2390, 2390, 3414, 3414, 3414, 3414, 3414, 3414, |
| 2390, 2390, 3414, 3414, 3414, 3414, 3414, 3414, |
| 2390, 2390, 3414, 3414, 3414, 3414, 3414, 3414, |
| 2390, 2390, 3414, 3414, 3414, 3414, 3414, 3414 |
| } |
| }; |
| |
| static const uint16_t ivi4_quant_8x8_inter[9][64] = { |
| { |
| 427, 427, 470, 427, 427, 427, 470, 470, |
| 427, 427, 470, 427, 427, 427, 470, 470, |
| 470, 470, 470, 470, 470, 470, 470, 470, |
| 427, 427, 470, 470, 427, 427, 470, 470, |
| 427, 427, 470, 427, 427, 427, 470, 470, |
| 427, 427, 470, 427, 427, 427, 470, 470, |
| 470, 470, 470, 470, 470, 470, 470, 470, |
| 470, 470, 470, 470, 470, 470, 470, 470 |
| }, |
| { |
| 1707, 1707, 2433, 2433, 3414, 3414, 3414, 3414, |
| 1707, 1707, 2433, 2433, 3414, 3414, 3414, 3414, |
| 2433, 2433, 3414, 3414, 4822, 4822, 4822, 4822, |
| 2433, 2433, 3414, 3414, 4822, 4822, 4822, 4822, |
| 3414, 3414, 4822, 4822, 3414, 3414, 3414, 3414, |
| 3414, 3414, 4822, 4822, 3414, 3414, 3414, 3414, |
| 3414, 3414, 4822, 4822, 3414, 3414, 3414, 3414, |
| 3414, 3414, 4822, 4822, 3414, 3414, 3414, 3414 |
| }, |
| { |
| 1195, 1195, 1281, 1238, 1195, 1195, 1281, 1281, |
| 1195, 1195, 1281, 1238, 1195, 1195, 1281, 1281, |
| 1195, 1195, 1281, 1238, 1195, 1195, 1281, 1281, |
| 1195, 1195, 1281, 1238, 1195, 1195, 1281, 1281, |
| 1195, 1195, 1281, 1238, 1195, 1195, 1281, 1281, |
| 1195, 1195, 1281, 1238, 1195, 1195, 1281, 1281, |
| 1195, 1195, 1281, 1238, 1195, 1195, 1281, 1281, |
| 1195, 1195, 1281, 1238, 1195, 1195, 1281, 1281 |
| }, |
| { |
| 2433, 2433, 3414, 3414, 2433, 2433, 2433, 2433, |
| 2433, 2433, 3414, 3414, 2433, 2433, 2433, 2433, |
| 2433, 2433, 3414, 3414, 2433, 2433, 2433, 2433, |
| 2433, 2433, 3414, 3414, 2433, 2433, 2433, 2433, |
| 2433, 2433, 3414, 3414, 2433, 2433, 2433, 2433, |
| 2433, 2433, 3414, 3414, 2433, 2433, 2433, 2433, |
| 2433, 2433, 3414, 3414, 2433, 2433, 2433, 2433, |
| 2433, 2433, 3414, 3414, 2433, 2433, 2433, 2433 |
| }, |
| { |
| 1195, 1195, 1195, 1195, 1195, 1195, 1195, 1195, |
| 1195, 1195, 1195, 1195, 1195, 1195, 1195, 1195, |
| 1281, 1281, 1281, 1281, 1281, 1281, 1281, 1281, |
| 1238, 1238, 1238, 1238, 1238, 1238, 1238, 1238, |
| 1195, 1195, 1195, 1195, 1195, 1195, 1195, 1195, |
| 1195, 1195, 1195, 1195, 1195, 1195, 1195, 1195, |
| 1281, 1281, 1281, 1281, 1281, 1281, 1281, 1281, |
| 1281, 1281, 1281, 1281, 1281, 1281, 1281, 1281 |
| }, |
| { |
| 2433, 2433, 2433, 2433, 2433, 2433, 2433, 2433, |
| 2433, 2433, 2433, 2433, 2433, 2433, 2433, 2433, |
| 3414, 3414, 3414, 3414, 3414, 3414, 3414, 3414, |
| 3414, 3414, 3414, 3414, 3414, 3414, 3414, 3414, |
| 2433, 2433, 2433, 2433, 2433, 2433, 2433, 2433, |
| 2433, 2433, 2433, 2433, 2433, 2433, 2433, 2433, |
| 2433, 2433, 2433, 2433, 2433, 2433, 2433, 2433, |
| 2433, 2433, 2433, 2433, 2433, 2433, 2433, 2433 |
| }, |
| { |
| 1707, 1707, 1707, 1707, 1707, 1707, 1707, 1707, |
| 1707, 1707, 1707, 1707, 1707, 1707, 1707, 1707, |
| 1707, 1707, 1707, 1707, 1707, 1707, 1707, 1707, |
| 1707, 1707, 1707, 1707, 1707, 1707, 1707, 1707, |
| 1707, 1707, 1707, 1707, 1707, 1707, 1707, 1707, |
| 1707, 1707, 1707, 1707, 1707, 1707, 1707, 1707, |
| 1707, 1707, 1707, 1707, 1707, 1707, 1707, 1707, |
| 1707, 1707, 1707, 1707, 1707, 1707, 1707, 1707 |
| }, |
| { |
| 86, 171, 171, 214, 214, 214, 214, 257, |
| 171, 171, 214, 214, 214, 214, 257, 257, |
| 171, 214, 214, 214, 214, 257, 257, 257, |
| 214, 214, 214, 214, 257, 257, 257, 299, |
| 214, 214, 214, 257, 257, 257, 299, 299, |
| 214, 214, 257, 257, 257, 299, 299, 299, |
| 214, 257, 257, 257, 299, 299, 299, 342, |
| 257, 257, 257, 299, 299, 299, 342, 342 |
| }, |
| { |
| 854, 854, 1195, 1195, 1707, 1707, 1707, 1707, |
| 854, 854, 1195, 1195, 1707, 1707, 1707, 1707, |
| 1195, 1195, 1707, 1707, 2390, 2390, 2390, 2390, |
| 1195, 1195, 1707, 1707, 2390, 2390, 2390, 2390, |
| 1707, 1707, 2390, 2390, 1707, 1707, 1707, 1707, |
| 1707, 1707, 2390, 2390, 1707, 1707, 1707, 1707, |
| 1707, 1707, 2390, 2390, 1707, 1707, 1707, 1707, |
| 1707, 1707, 2390, 2390, 1707, 1707, 1707, 1707 |
| } |
| }; |
| |
| static const uint16_t ivi4_quant_4x4_intra[5][16] = { |
| { |
| 22, 214, 257, 299, |
| 214, 257, 299, 342, |
| 257, 299, 342, 427, |
| 299, 342, 427, 513 |
| }, |
| { |
| 129, 1025, 1451, 1451, |
| 1025, 1025, 1451, 1451, |
| 1451, 1451, 2049, 2049, |
| 1451, 1451, 2049, 2049 |
| }, |
| { |
| 43, 171, 171, 171, |
| 43, 171, 171, 171, |
| 43, 171, 171, 171, |
| 43, 171, 171, 171 |
| }, |
| { |
| 43, 43, 43, 43, |
| 171, 171, 171, 171, |
| 171, 171, 171, 171, |
| 171, 171, 171, 171 |
| }, |
| { |
| 43, 43, 43, 43, |
| 43, 43, 43, 43, |
| 43, 43, 43, 43, |
| 43, 43, 43, 43 |
| } |
| }; |
| |
| static const uint16_t ivi4_quant_4x4_inter[5][16] = { |
| { |
| 107, 214, 257, 299, |
| 214, 257, 299, 299, |
| 257, 299, 299, 342, |
| 299, 299, 342, 342 |
| }, |
| { |
| 513, 1025, 1238, 1238, |
| 1025, 1025, 1238, 1238, |
| 1238, 1238, 1451, 1451, |
| 1238, 1238, 1451, 1451 |
| }, |
| { |
| 43, 171, 171, 171, |
| 43, 171, 171, 171, |
| 43, 171, 171, 171, |
| 43, 171, 171, 171 |
| }, |
| { |
| 43, 43, 43, 43, |
| 171, 171, 171, 171, |
| 171, 171, 171, 171, |
| 171, 171, 171, 171 |
| }, |
| { |
| 43, 43, 43, 43, |
| 43, 43, 43, 43, |
| 43, 43, 43, 43, |
| 43, 43, 43, 43 |
| } |
| }; |
| |
| /** |
| * Table for mapping quant matrix index from the bitstream |
| * into internal quant table number. |
| */ |
| static const uint8_t quant_index_to_tab[22] = { |
| 0, 1, 0, 2, 1, 3, 0, 4, 1, 5, 0, 1, 6, 7, 8, // for 8x8 quant matrixes |
| 0, 1, 2, 2, 3, 3, 4 // for 4x4 quant matrixes |
| }; |
| |
| #endif /* AVCODEC_INDEO4DATA_H */ |
