| /* |
| * MPEG Audio decoder |
| * copyright (c) 2002 Fabrice Bellard |
| * |
| * 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 |
| * mpeg audio layer decoder tables. |
| */ |
| |
| #ifndef AVCODEC_MPEGAUDIODECTAB_H |
| #define AVCODEC_MPEGAUDIODECTAB_H |
| |
| #include <stddef.h> |
| #include <stdint.h> |
| |
| #include "mpegaudio.h" |
| |
| /*******************************************************/ |
| /* layer 3 tables */ |
| |
| /* layer 3 huffman tables */ |
| typedef struct HuffTable { |
| int xsize; |
| const uint8_t *bits; |
| const uint16_t *codes; |
| } HuffTable; |
| |
| /* layer3 scale factor size */ |
| static const uint8_t slen_table[2][16] = { |
| { 0, 0, 0, 0, 3, 1, 1, 1, 2, 2, 2, 3, 3, 3, 4, 4 }, |
| { 0, 1, 2, 3, 0, 1, 2, 3, 1, 2, 3, 1, 2, 3, 2, 3 }, |
| }; |
| |
| /* number of lsf scale factors for a given size */ |
| static const uint8_t lsf_nsf_table[6][3][4] = { |
| { { 6, 5, 5, 5 }, { 9, 9, 9, 9 }, { 6, 9, 9, 9 } }, |
| { { 6, 5, 7, 3 }, { 9, 9, 12, 6 }, { 6, 9, 12, 6 } }, |
| { { 11, 10, 0, 0 }, { 18, 18, 0, 0 }, { 15, 18, 0, 0 } }, |
| { { 7, 7, 7, 0 }, { 12, 12, 12, 0 }, { 6, 15, 12, 0 } }, |
| { { 6, 6, 6, 3 }, { 12, 9, 9, 6 }, { 6, 12, 9, 6 } }, |
| { { 8, 8, 5, 0 }, { 15, 12, 9, 0 }, { 6, 18, 9, 0 } }, |
| }; |
| |
| /* mpegaudio layer 3 huffman tables */ |
| |
| static const uint16_t mpa_huffcodes_1[4] = { |
| 0x0001, 0x0001, 0x0001, 0x0000, |
| }; |
| |
| static const uint8_t mpa_huffbits_1[4] = { |
| 1, 3, 2, 3, |
| }; |
| |
| static const uint16_t mpa_huffcodes_2[9] = { |
| 0x0001, 0x0002, 0x0001, 0x0003, 0x0001, 0x0001, 0x0003, 0x0002, |
| 0x0000, |
| }; |
| |
| static const uint8_t mpa_huffbits_2[9] = { |
| 1, 3, 6, 3, 3, 5, 5, 5, |
| 6, |
| }; |
| |
| static const uint16_t mpa_huffcodes_3[9] = { |
| 0x0003, 0x0002, 0x0001, 0x0001, 0x0001, 0x0001, 0x0003, 0x0002, |
| 0x0000, |
| }; |
| |
| static const uint8_t mpa_huffbits_3[9] = { |
| 2, 2, 6, 3, 2, 5, 5, 5, |
| 6, |
| }; |
| |
| static const uint16_t mpa_huffcodes_5[16] = { |
| 0x0001, 0x0002, 0x0006, 0x0005, 0x0003, 0x0001, 0x0004, 0x0004, |
| 0x0007, 0x0005, 0x0007, 0x0001, 0x0006, 0x0001, 0x0001, 0x0000, |
| }; |
| |
| static const uint8_t mpa_huffbits_5[16] = { |
| 1, 3, 6, 7, 3, 3, 6, 7, |
| 6, 6, 7, 8, 7, 6, 7, 8, |
| }; |
| |
| static const uint16_t mpa_huffcodes_6[16] = { |
| 0x0007, 0x0003, 0x0005, 0x0001, 0x0006, 0x0002, 0x0003, 0x0002, |
| 0x0005, 0x0004, 0x0004, 0x0001, 0x0003, 0x0003, 0x0002, 0x0000, |
| }; |
| |
| static const uint8_t mpa_huffbits_6[16] = { |
| 3, 3, 5, 7, 3, 2, 4, 5, |
| 4, 4, 5, 6, 6, 5, 6, 7, |
| }; |
| |
| static const uint16_t mpa_huffcodes_7[36] = { |
| 0x0001, 0x0002, 0x000a, 0x0013, 0x0010, 0x000a, 0x0003, 0x0003, |
| 0x0007, 0x000a, 0x0005, 0x0003, 0x000b, 0x0004, 0x000d, 0x0011, |
| 0x0008, 0x0004, 0x000c, 0x000b, 0x0012, 0x000f, 0x000b, 0x0002, |
| 0x0007, 0x0006, 0x0009, 0x000e, 0x0003, 0x0001, 0x0006, 0x0004, |
| 0x0005, 0x0003, 0x0002, 0x0000, |
| }; |
| |
| static const uint8_t mpa_huffbits_7[36] = { |
| 1, 3, 6, 8, 8, 9, 3, 4, |
| 6, 7, 7, 8, 6, 5, 7, 8, |
| 8, 9, 7, 7, 8, 9, 9, 9, |
| 7, 7, 8, 9, 9, 10, 8, 8, |
| 9, 10, 10, 10, |
| }; |
| |
| static const uint16_t mpa_huffcodes_8[36] = { |
| 0x0003, 0x0004, 0x0006, 0x0012, 0x000c, 0x0005, 0x0005, 0x0001, |
| 0x0002, 0x0010, 0x0009, 0x0003, 0x0007, 0x0003, 0x0005, 0x000e, |
| 0x0007, 0x0003, 0x0013, 0x0011, 0x000f, 0x000d, 0x000a, 0x0004, |
| 0x000d, 0x0005, 0x0008, 0x000b, 0x0005, 0x0001, 0x000c, 0x0004, |
| 0x0004, 0x0001, 0x0001, 0x0000, |
| }; |
| |
| static const uint8_t mpa_huffbits_8[36] = { |
| 2, 3, 6, 8, 8, 9, 3, 2, |
| 4, 8, 8, 8, 6, 4, 6, 8, |
| 8, 9, 8, 8, 8, 9, 9, 10, |
| 8, 7, 8, 9, 10, 10, 9, 8, |
| 9, 9, 11, 11, |
| }; |
| |
| static const uint16_t mpa_huffcodes_9[36] = { |
| 0x0007, 0x0005, 0x0009, 0x000e, 0x000f, 0x0007, 0x0006, 0x0004, |
| 0x0005, 0x0005, 0x0006, 0x0007, 0x0007, 0x0006, 0x0008, 0x0008, |
| 0x0008, 0x0005, 0x000f, 0x0006, 0x0009, 0x000a, 0x0005, 0x0001, |
| 0x000b, 0x0007, 0x0009, 0x0006, 0x0004, 0x0001, 0x000e, 0x0004, |
| 0x0006, 0x0002, 0x0006, 0x0000, |
| }; |
| |
| static const uint8_t mpa_huffbits_9[36] = { |
| 3, 3, 5, 6, 8, 9, 3, 3, |
| 4, 5, 6, 8, 4, 4, 5, 6, |
| 7, 8, 6, 5, 6, 7, 7, 8, |
| 7, 6, 7, 7, 8, 9, 8, 7, |
| 8, 8, 9, 9, |
| }; |
| |
| static const uint16_t mpa_huffcodes_10[64] = { |
| 0x0001, 0x0002, 0x000a, 0x0017, 0x0023, 0x001e, 0x000c, 0x0011, |
| 0x0003, 0x0003, 0x0008, 0x000c, 0x0012, 0x0015, 0x000c, 0x0007, |
| 0x000b, 0x0009, 0x000f, 0x0015, 0x0020, 0x0028, 0x0013, 0x0006, |
| 0x000e, 0x000d, 0x0016, 0x0022, 0x002e, 0x0017, 0x0012, 0x0007, |
| 0x0014, 0x0013, 0x0021, 0x002f, 0x001b, 0x0016, 0x0009, 0x0003, |
| 0x001f, 0x0016, 0x0029, 0x001a, 0x0015, 0x0014, 0x0005, 0x0003, |
| 0x000e, 0x000d, 0x000a, 0x000b, 0x0010, 0x0006, 0x0005, 0x0001, |
| 0x0009, 0x0008, 0x0007, 0x0008, 0x0004, 0x0004, 0x0002, 0x0000, |
| }; |
| |
| static const uint8_t mpa_huffbits_10[64] = { |
| 1, 3, 6, 8, 9, 9, 9, 10, |
| 3, 4, 6, 7, 8, 9, 8, 8, |
| 6, 6, 7, 8, 9, 10, 9, 9, |
| 7, 7, 8, 9, 10, 10, 9, 10, |
| 8, 8, 9, 10, 10, 10, 10, 10, |
| 9, 9, 10, 10, 11, 11, 10, 11, |
| 8, 8, 9, 10, 10, 10, 11, 11, |
| 9, 8, 9, 10, 10, 11, 11, 11, |
| }; |
| |
| static const uint16_t mpa_huffcodes_11[64] = { |
| 0x0003, 0x0004, 0x000a, 0x0018, 0x0022, 0x0021, 0x0015, 0x000f, |
| 0x0005, 0x0003, 0x0004, 0x000a, 0x0020, 0x0011, 0x000b, 0x000a, |
| 0x000b, 0x0007, 0x000d, 0x0012, 0x001e, 0x001f, 0x0014, 0x0005, |
| 0x0019, 0x000b, 0x0013, 0x003b, 0x001b, 0x0012, 0x000c, 0x0005, |
| 0x0023, 0x0021, 0x001f, 0x003a, 0x001e, 0x0010, 0x0007, 0x0005, |
| 0x001c, 0x001a, 0x0020, 0x0013, 0x0011, 0x000f, 0x0008, 0x000e, |
| 0x000e, 0x000c, 0x0009, 0x000d, 0x000e, 0x0009, 0x0004, 0x0001, |
| 0x000b, 0x0004, 0x0006, 0x0006, 0x0006, 0x0003, 0x0002, 0x0000, |
| }; |
| |
| static const uint8_t mpa_huffbits_11[64] = { |
| 2, 3, 5, 7, 8, 9, 8, 9, |
| 3, 3, 4, 6, 8, 8, 7, 8, |
| 5, 5, 6, 7, 8, 9, 8, 8, |
| 7, 6, 7, 9, 8, 10, 8, 9, |
| 8, 8, 8, 9, 9, 10, 9, 10, |
| 8, 8, 9, 10, 10, 11, 10, 11, |
| 8, 7, 7, 8, 9, 10, 10, 10, |
| 8, 7, 8, 9, 10, 10, 10, 10, |
| }; |
| |
| static const uint16_t mpa_huffcodes_12[64] = { |
| 0x0009, 0x0006, 0x0010, 0x0021, 0x0029, 0x0027, 0x0026, 0x001a, |
| 0x0007, 0x0005, 0x0006, 0x0009, 0x0017, 0x0010, 0x001a, 0x000b, |
| 0x0011, 0x0007, 0x000b, 0x000e, 0x0015, 0x001e, 0x000a, 0x0007, |
| 0x0011, 0x000a, 0x000f, 0x000c, 0x0012, 0x001c, 0x000e, 0x0005, |
| 0x0020, 0x000d, 0x0016, 0x0013, 0x0012, 0x0010, 0x0009, 0x0005, |
| 0x0028, 0x0011, 0x001f, 0x001d, 0x0011, 0x000d, 0x0004, 0x0002, |
| 0x001b, 0x000c, 0x000b, 0x000f, 0x000a, 0x0007, 0x0004, 0x0001, |
| 0x001b, 0x000c, 0x0008, 0x000c, 0x0006, 0x0003, 0x0001, 0x0000, |
| }; |
| |
| static const uint8_t mpa_huffbits_12[64] = { |
| 4, 3, 5, 7, 8, 9, 9, 9, |
| 3, 3, 4, 5, 7, 7, 8, 8, |
| 5, 4, 5, 6, 7, 8, 7, 8, |
| 6, 5, 6, 6, 7, 8, 8, 8, |
| 7, 6, 7, 7, 8, 8, 8, 9, |
| 8, 7, 8, 8, 8, 9, 8, 9, |
| 8, 7, 7, 8, 8, 9, 9, 10, |
| 9, 8, 8, 9, 9, 9, 9, 10, |
| }; |
| |
| static const uint16_t mpa_huffcodes_13[256] = { |
| 0x0001, 0x0005, 0x000e, 0x0015, 0x0022, 0x0033, 0x002e, 0x0047, |
| 0x002a, 0x0034, 0x0044, 0x0034, 0x0043, 0x002c, 0x002b, 0x0013, |
| 0x0003, 0x0004, 0x000c, 0x0013, 0x001f, 0x001a, 0x002c, 0x0021, |
| 0x001f, 0x0018, 0x0020, 0x0018, 0x001f, 0x0023, 0x0016, 0x000e, |
| 0x000f, 0x000d, 0x0017, 0x0024, 0x003b, 0x0031, 0x004d, 0x0041, |
| 0x001d, 0x0028, 0x001e, 0x0028, 0x001b, 0x0021, 0x002a, 0x0010, |
| 0x0016, 0x0014, 0x0025, 0x003d, 0x0038, 0x004f, 0x0049, 0x0040, |
| 0x002b, 0x004c, 0x0038, 0x0025, 0x001a, 0x001f, 0x0019, 0x000e, |
| 0x0023, 0x0010, 0x003c, 0x0039, 0x0061, 0x004b, 0x0072, 0x005b, |
| 0x0036, 0x0049, 0x0037, 0x0029, 0x0030, 0x0035, 0x0017, 0x0018, |
| 0x003a, 0x001b, 0x0032, 0x0060, 0x004c, 0x0046, 0x005d, 0x0054, |
| 0x004d, 0x003a, 0x004f, 0x001d, 0x004a, 0x0031, 0x0029, 0x0011, |
| 0x002f, 0x002d, 0x004e, 0x004a, 0x0073, 0x005e, 0x005a, 0x004f, |
| 0x0045, 0x0053, 0x0047, 0x0032, 0x003b, 0x0026, 0x0024, 0x000f, |
| 0x0048, 0x0022, 0x0038, 0x005f, 0x005c, 0x0055, 0x005b, 0x005a, |
| 0x0056, 0x0049, 0x004d, 0x0041, 0x0033, 0x002c, 0x002b, 0x002a, |
| 0x002b, 0x0014, 0x001e, 0x002c, 0x0037, 0x004e, 0x0048, 0x0057, |
| 0x004e, 0x003d, 0x002e, 0x0036, 0x0025, 0x001e, 0x0014, 0x0010, |
| 0x0035, 0x0019, 0x0029, 0x0025, 0x002c, 0x003b, 0x0036, 0x0051, |
| 0x0042, 0x004c, 0x0039, 0x0036, 0x0025, 0x0012, 0x0027, 0x000b, |
| 0x0023, 0x0021, 0x001f, 0x0039, 0x002a, 0x0052, 0x0048, 0x0050, |
| 0x002f, 0x003a, 0x0037, 0x0015, 0x0016, 0x001a, 0x0026, 0x0016, |
| 0x0035, 0x0019, 0x0017, 0x0026, 0x0046, 0x003c, 0x0033, 0x0024, |
| 0x0037, 0x001a, 0x0022, 0x0017, 0x001b, 0x000e, 0x0009, 0x0007, |
| 0x0022, 0x0020, 0x001c, 0x0027, 0x0031, 0x004b, 0x001e, 0x0034, |
| 0x0030, 0x0028, 0x0034, 0x001c, 0x0012, 0x0011, 0x0009, 0x0005, |
| 0x002d, 0x0015, 0x0022, 0x0040, 0x0038, 0x0032, 0x0031, 0x002d, |
| 0x001f, 0x0013, 0x000c, 0x000f, 0x000a, 0x0007, 0x0006, 0x0003, |
| 0x0030, 0x0017, 0x0014, 0x0027, 0x0024, 0x0023, 0x0035, 0x0015, |
| 0x0010, 0x0017, 0x000d, 0x000a, 0x0006, 0x0001, 0x0004, 0x0002, |
| 0x0010, 0x000f, 0x0011, 0x001b, 0x0019, 0x0014, 0x001d, 0x000b, |
| 0x0011, 0x000c, 0x0010, 0x0008, 0x0001, 0x0001, 0x0000, 0x0001, |
| }; |
| |
| static const uint8_t mpa_huffbits_13[256] = { |
| 1, 4, 6, 7, 8, 9, 9, 10, |
| 9, 10, 11, 11, 12, 12, 13, 13, |
| 3, 4, 6, 7, 8, 8, 9, 9, |
| 9, 9, 10, 10, 11, 12, 12, 12, |
| 6, 6, 7, 8, 9, 9, 10, 10, |
| 9, 10, 10, 11, 11, 12, 13, 13, |
| 7, 7, 8, 9, 9, 10, 10, 10, |
| 10, 11, 11, 11, 11, 12, 13, 13, |
| 8, 7, 9, 9, 10, 10, 11, 11, |
| 10, 11, 11, 12, 12, 13, 13, 14, |
| 9, 8, 9, 10, 10, 10, 11, 11, |
| 11, 11, 12, 11, 13, 13, 14, 14, |
| 9, 9, 10, 10, 11, 11, 11, 11, |
| 11, 12, 12, 12, 13, 13, 14, 14, |
| 10, 9, 10, 11, 11, 11, 12, 12, |
| 12, 12, 13, 13, 13, 14, 16, 16, |
| 9, 8, 9, 10, 10, 11, 11, 12, |
| 12, 12, 12, 13, 13, 14, 15, 15, |
| 10, 9, 10, 10, 11, 11, 11, 13, |
| 12, 13, 13, 14, 14, 14, 16, 15, |
| 10, 10, 10, 11, 11, 12, 12, 13, |
| 12, 13, 14, 13, 14, 15, 16, 17, |
| 11, 10, 10, 11, 12, 12, 12, 12, |
| 13, 13, 13, 14, 15, 15, 15, 16, |
| 11, 11, 11, 12, 12, 13, 12, 13, |
| 14, 14, 15, 15, 15, 16, 16, 16, |
| 12, 11, 12, 13, 13, 13, 14, 14, |
| 14, 14, 14, 15, 16, 15, 16, 16, |
| 13, 12, 12, 13, 13, 13, 15, 14, |
| 14, 17, 15, 15, 15, 17, 16, 16, |
| 12, 12, 13, 14, 14, 14, 15, 14, |
| 15, 15, 16, 16, 19, 18, 19, 16, |
| }; |
| |
| static const uint16_t mpa_huffcodes_15[256] = { |
| 0x0007, 0x000c, 0x0012, 0x0035, 0x002f, 0x004c, 0x007c, 0x006c, |
| 0x0059, 0x007b, 0x006c, 0x0077, 0x006b, 0x0051, 0x007a, 0x003f, |
| 0x000d, 0x0005, 0x0010, 0x001b, 0x002e, 0x0024, 0x003d, 0x0033, |
| 0x002a, 0x0046, 0x0034, 0x0053, 0x0041, 0x0029, 0x003b, 0x0024, |
| 0x0013, 0x0011, 0x000f, 0x0018, 0x0029, 0x0022, 0x003b, 0x0030, |
| 0x0028, 0x0040, 0x0032, 0x004e, 0x003e, 0x0050, 0x0038, 0x0021, |
| 0x001d, 0x001c, 0x0019, 0x002b, 0x0027, 0x003f, 0x0037, 0x005d, |
| 0x004c, 0x003b, 0x005d, 0x0048, 0x0036, 0x004b, 0x0032, 0x001d, |
| 0x0034, 0x0016, 0x002a, 0x0028, 0x0043, 0x0039, 0x005f, 0x004f, |
| 0x0048, 0x0039, 0x0059, 0x0045, 0x0031, 0x0042, 0x002e, 0x001b, |
| 0x004d, 0x0025, 0x0023, 0x0042, 0x003a, 0x0034, 0x005b, 0x004a, |
| 0x003e, 0x0030, 0x004f, 0x003f, 0x005a, 0x003e, 0x0028, 0x0026, |
| 0x007d, 0x0020, 0x003c, 0x0038, 0x0032, 0x005c, 0x004e, 0x0041, |
| 0x0037, 0x0057, 0x0047, 0x0033, 0x0049, 0x0033, 0x0046, 0x001e, |
| 0x006d, 0x0035, 0x0031, 0x005e, 0x0058, 0x004b, 0x0042, 0x007a, |
| 0x005b, 0x0049, 0x0038, 0x002a, 0x0040, 0x002c, 0x0015, 0x0019, |
| 0x005a, 0x002b, 0x0029, 0x004d, 0x0049, 0x003f, 0x0038, 0x005c, |
| 0x004d, 0x0042, 0x002f, 0x0043, 0x0030, 0x0035, 0x0024, 0x0014, |
| 0x0047, 0x0022, 0x0043, 0x003c, 0x003a, 0x0031, 0x0058, 0x004c, |
| 0x0043, 0x006a, 0x0047, 0x0036, 0x0026, 0x0027, 0x0017, 0x000f, |
| 0x006d, 0x0035, 0x0033, 0x002f, 0x005a, 0x0052, 0x003a, 0x0039, |
| 0x0030, 0x0048, 0x0039, 0x0029, 0x0017, 0x001b, 0x003e, 0x0009, |
| 0x0056, 0x002a, 0x0028, 0x0025, 0x0046, 0x0040, 0x0034, 0x002b, |
| 0x0046, 0x0037, 0x002a, 0x0019, 0x001d, 0x0012, 0x000b, 0x000b, |
| 0x0076, 0x0044, 0x001e, 0x0037, 0x0032, 0x002e, 0x004a, 0x0041, |
| 0x0031, 0x0027, 0x0018, 0x0010, 0x0016, 0x000d, 0x000e, 0x0007, |
| 0x005b, 0x002c, 0x0027, 0x0026, 0x0022, 0x003f, 0x0034, 0x002d, |
| 0x001f, 0x0034, 0x001c, 0x0013, 0x000e, 0x0008, 0x0009, 0x0003, |
| 0x007b, 0x003c, 0x003a, 0x0035, 0x002f, 0x002b, 0x0020, 0x0016, |
| 0x0025, 0x0018, 0x0011, 0x000c, 0x000f, 0x000a, 0x0002, 0x0001, |
| 0x0047, 0x0025, 0x0022, 0x001e, 0x001c, 0x0014, 0x0011, 0x001a, |
| 0x0015, 0x0010, 0x000a, 0x0006, 0x0008, 0x0006, 0x0002, 0x0000, |
| }; |
| |
| static const uint8_t mpa_huffbits_15[256] = { |
| 3, 4, 5, 7, 7, 8, 9, 9, |
| 9, 10, 10, 11, 11, 11, 12, 13, |
| 4, 3, 5, 6, 7, 7, 8, 8, |
| 8, 9, 9, 10, 10, 10, 11, 11, |
| 5, 5, 5, 6, 7, 7, 8, 8, |
| 8, 9, 9, 10, 10, 11, 11, 11, |
| 6, 6, 6, 7, 7, 8, 8, 9, |
| 9, 9, 10, 10, 10, 11, 11, 11, |
| 7, 6, 7, 7, 8, 8, 9, 9, |
| 9, 9, 10, 10, 10, 11, 11, 11, |
| 8, 7, 7, 8, 8, 8, 9, 9, |
| 9, 9, 10, 10, 11, 11, 11, 12, |
| 9, 7, 8, 8, 8, 9, 9, 9, |
| 9, 10, 10, 10, 11, 11, 12, 12, |
| 9, 8, 8, 9, 9, 9, 9, 10, |
| 10, 10, 10, 10, 11, 11, 11, 12, |
| 9, 8, 8, 9, 9, 9, 9, 10, |
| 10, 10, 10, 11, 11, 12, 12, 12, |
| 9, 8, 9, 9, 9, 9, 10, 10, |
| 10, 11, 11, 11, 11, 12, 12, 12, |
| 10, 9, 9, 9, 10, 10, 10, 10, |
| 10, 11, 11, 11, 11, 12, 13, 12, |
| 10, 9, 9, 9, 10, 10, 10, 10, |
| 11, 11, 11, 11, 12, 12, 12, 13, |
| 11, 10, 9, 10, 10, 10, 11, 11, |
| 11, 11, 11, 11, 12, 12, 13, 13, |
| 11, 10, 10, 10, 10, 11, 11, 11, |
| 11, 12, 12, 12, 12, 12, 13, 13, |
| 12, 11, 11, 11, 11, 11, 11, 11, |
| 12, 12, 12, 12, 13, 13, 12, 13, |
| 12, 11, 11, 11, 11, 11, 11, 12, |
| 12, 12, 12, 12, 13, 13, 13, 13, |
| }; |
| |
| static const uint16_t mpa_huffcodes_16[256] = { |
| 0x0001, 0x0005, 0x000e, 0x002c, 0x004a, 0x003f, 0x006e, 0x005d, |
| 0x00ac, 0x0095, 0x008a, 0x00f2, 0x00e1, 0x00c3, 0x0178, 0x0011, |
| 0x0003, 0x0004, 0x000c, 0x0014, 0x0023, 0x003e, 0x0035, 0x002f, |
| 0x0053, 0x004b, 0x0044, 0x0077, 0x00c9, 0x006b, 0x00cf, 0x0009, |
| 0x000f, 0x000d, 0x0017, 0x0026, 0x0043, 0x003a, 0x0067, 0x005a, |
| 0x00a1, 0x0048, 0x007f, 0x0075, 0x006e, 0x00d1, 0x00ce, 0x0010, |
| 0x002d, 0x0015, 0x0027, 0x0045, 0x0040, 0x0072, 0x0063, 0x0057, |
| 0x009e, 0x008c, 0x00fc, 0x00d4, 0x00c7, 0x0183, 0x016d, 0x001a, |
| 0x004b, 0x0024, 0x0044, 0x0041, 0x0073, 0x0065, 0x00b3, 0x00a4, |
| 0x009b, 0x0108, 0x00f6, 0x00e2, 0x018b, 0x017e, 0x016a, 0x0009, |
| 0x0042, 0x001e, 0x003b, 0x0038, 0x0066, 0x00b9, 0x00ad, 0x0109, |
| 0x008e, 0x00fd, 0x00e8, 0x0190, 0x0184, 0x017a, 0x01bd, 0x0010, |
| 0x006f, 0x0036, 0x0034, 0x0064, 0x00b8, 0x00b2, 0x00a0, 0x0085, |
| 0x0101, 0x00f4, 0x00e4, 0x00d9, 0x0181, 0x016e, 0x02cb, 0x000a, |
| 0x0062, 0x0030, 0x005b, 0x0058, 0x00a5, 0x009d, 0x0094, 0x0105, |
| 0x00f8, 0x0197, 0x018d, 0x0174, 0x017c, 0x0379, 0x0374, 0x0008, |
| 0x0055, 0x0054, 0x0051, 0x009f, 0x009c, 0x008f, 0x0104, 0x00f9, |
| 0x01ab, 0x0191, 0x0188, 0x017f, 0x02d7, 0x02c9, 0x02c4, 0x0007, |
| 0x009a, 0x004c, 0x0049, 0x008d, 0x0083, 0x0100, 0x00f5, 0x01aa, |
| 0x0196, 0x018a, 0x0180, 0x02df, 0x0167, 0x02c6, 0x0160, 0x000b, |
| 0x008b, 0x0081, 0x0043, 0x007d, 0x00f7, 0x00e9, 0x00e5, 0x00db, |
| 0x0189, 0x02e7, 0x02e1, 0x02d0, 0x0375, 0x0372, 0x01b7, 0x0004, |
| 0x00f3, 0x0078, 0x0076, 0x0073, 0x00e3, 0x00df, 0x018c, 0x02ea, |
| 0x02e6, 0x02e0, 0x02d1, 0x02c8, 0x02c2, 0x00df, 0x01b4, 0x0006, |
| 0x00ca, 0x00e0, 0x00de, 0x00da, 0x00d8, 0x0185, 0x0182, 0x017d, |
| 0x016c, 0x0378, 0x01bb, 0x02c3, 0x01b8, 0x01b5, 0x06c0, 0x0004, |
| 0x02eb, 0x00d3, 0x00d2, 0x00d0, 0x0172, 0x017b, 0x02de, 0x02d3, |
| 0x02ca, 0x06c7, 0x0373, 0x036d, 0x036c, 0x0d83, 0x0361, 0x0002, |
| 0x0179, 0x0171, 0x0066, 0x00bb, 0x02d6, 0x02d2, 0x0166, 0x02c7, |
| 0x02c5, 0x0362, 0x06c6, 0x0367, 0x0d82, 0x0366, 0x01b2, 0x0000, |
| 0x000c, 0x000a, 0x0007, 0x000b, 0x000a, 0x0011, 0x000b, 0x0009, |
| 0x000d, 0x000c, 0x000a, 0x0007, 0x0005, 0x0003, 0x0001, 0x0003, |
| }; |
| |
| static const uint8_t mpa_huffbits_16[256] = { |
| 1, 4, 6, 8, 9, 9, 10, 10, |
| 11, 11, 11, 12, 12, 12, 13, 9, |
| 3, 4, 6, 7, 8, 9, 9, 9, |
| 10, 10, 10, 11, 12, 11, 12, 8, |
| 6, 6, 7, 8, 9, 9, 10, 10, |
| 11, 10, 11, 11, 11, 12, 12, 9, |
| 8, 7, 8, 9, 9, 10, 10, 10, |
| 11, 11, 12, 12, 12, 13, 13, 10, |
| 9, 8, 9, 9, 10, 10, 11, 11, |
| 11, 12, 12, 12, 13, 13, 13, 9, |
| 9, 8, 9, 9, 10, 11, 11, 12, |
| 11, 12, 12, 13, 13, 13, 14, 10, |
| 10, 9, 9, 10, 11, 11, 11, 11, |
| 12, 12, 12, 12, 13, 13, 14, 10, |
| 10, 9, 10, 10, 11, 11, 11, 12, |
| 12, 13, 13, 13, 13, 15, 15, 10, |
| 10, 10, 10, 11, 11, 11, 12, 12, |
| 13, 13, 13, 13, 14, 14, 14, 10, |
| 11, 10, 10, 11, 11, 12, 12, 13, |
| 13, 13, 13, 14, 13, 14, 13, 11, |
| 11, 11, 10, 11, 12, 12, 12, 12, |
| 13, 14, 14, 14, 15, 15, 14, 10, |
| 12, 11, 11, 11, 12, 12, 13, 14, |
| 14, 14, 14, 14, 14, 13, 14, 11, |
| 12, 12, 12, 12, 12, 13, 13, 13, |
| 13, 15, 14, 14, 14, 14, 16, 11, |
| 14, 12, 12, 12, 13, 13, 14, 14, |
| 14, 16, 15, 15, 15, 17, 15, 11, |
| 13, 13, 11, 12, 14, 14, 13, 14, |
| 14, 15, 16, 15, 17, 15, 14, 11, |
| 9, 8, 8, 9, 9, 10, 10, 10, |
| 11, 11, 11, 11, 11, 11, 11, 8, |
| }; |
| |
| static const uint16_t mpa_huffcodes_24[256] = { |
| 0x000f, 0x000d, 0x002e, 0x0050, 0x0092, 0x0106, 0x00f8, 0x01b2, |
| 0x01aa, 0x029d, 0x028d, 0x0289, 0x026d, 0x0205, 0x0408, 0x0058, |
| 0x000e, 0x000c, 0x0015, 0x0026, 0x0047, 0x0082, 0x007a, 0x00d8, |
| 0x00d1, 0x00c6, 0x0147, 0x0159, 0x013f, 0x0129, 0x0117, 0x002a, |
| 0x002f, 0x0016, 0x0029, 0x004a, 0x0044, 0x0080, 0x0078, 0x00dd, |
| 0x00cf, 0x00c2, 0x00b6, 0x0154, 0x013b, 0x0127, 0x021d, 0x0012, |
| 0x0051, 0x0027, 0x004b, 0x0046, 0x0086, 0x007d, 0x0074, 0x00dc, |
| 0x00cc, 0x00be, 0x00b2, 0x0145, 0x0137, 0x0125, 0x010f, 0x0010, |
| 0x0093, 0x0048, 0x0045, 0x0087, 0x007f, 0x0076, 0x0070, 0x00d2, |
| 0x00c8, 0x00bc, 0x0160, 0x0143, 0x0132, 0x011d, 0x021c, 0x000e, |
| 0x0107, 0x0042, 0x0081, 0x007e, 0x0077, 0x0072, 0x00d6, 0x00ca, |
| 0x00c0, 0x00b4, 0x0155, 0x013d, 0x012d, 0x0119, 0x0106, 0x000c, |
| 0x00f9, 0x007b, 0x0079, 0x0075, 0x0071, 0x00d7, 0x00ce, 0x00c3, |
| 0x00b9, 0x015b, 0x014a, 0x0134, 0x0123, 0x0110, 0x0208, 0x000a, |
| 0x01b3, 0x0073, 0x006f, 0x006d, 0x00d3, 0x00cb, 0x00c4, 0x00bb, |
| 0x0161, 0x014c, 0x0139, 0x012a, 0x011b, 0x0213, 0x017d, 0x0011, |
| 0x01ab, 0x00d4, 0x00d0, 0x00cd, 0x00c9, 0x00c1, 0x00ba, 0x00b1, |
| 0x00a9, 0x0140, 0x012f, 0x011e, 0x010c, 0x0202, 0x0179, 0x0010, |
| 0x014f, 0x00c7, 0x00c5, 0x00bf, 0x00bd, 0x00b5, 0x00ae, 0x014d, |
| 0x0141, 0x0131, 0x0121, 0x0113, 0x0209, 0x017b, 0x0173, 0x000b, |
| 0x029c, 0x00b8, 0x00b7, 0x00b3, 0x00af, 0x0158, 0x014b, 0x013a, |
| 0x0130, 0x0122, 0x0115, 0x0212, 0x017f, 0x0175, 0x016e, 0x000a, |
| 0x028c, 0x015a, 0x00ab, 0x00a8, 0x00a4, 0x013e, 0x0135, 0x012b, |
| 0x011f, 0x0114, 0x0107, 0x0201, 0x0177, 0x0170, 0x016a, 0x0006, |
| 0x0288, 0x0142, 0x013c, 0x0138, 0x0133, 0x012e, 0x0124, 0x011c, |
| 0x010d, 0x0105, 0x0200, 0x0178, 0x0172, 0x016c, 0x0167, 0x0004, |
| 0x026c, 0x012c, 0x0128, 0x0126, 0x0120, 0x011a, 0x0111, 0x010a, |
| 0x0203, 0x017c, 0x0176, 0x0171, 0x016d, 0x0169, 0x0165, 0x0002, |
| 0x0409, 0x0118, 0x0116, 0x0112, 0x010b, 0x0108, 0x0103, 0x017e, |
| 0x017a, 0x0174, 0x016f, 0x016b, 0x0168, 0x0166, 0x0164, 0x0000, |
| 0x002b, 0x0014, 0x0013, 0x0011, 0x000f, 0x000d, 0x000b, 0x0009, |
| 0x0007, 0x0006, 0x0004, 0x0007, 0x0005, 0x0003, 0x0001, 0x0003, |
| }; |
| |
| static const uint8_t mpa_huffbits_24[256] = { |
| 4, 4, 6, 7, 8, 9, 9, 10, |
| 10, 11, 11, 11, 11, 11, 12, 9, |
| 4, 4, 5, 6, 7, 8, 8, 9, |
| 9, 9, 10, 10, 10, 10, 10, 8, |
| 6, 5, 6, 7, 7, 8, 8, 9, |
| 9, 9, 9, 10, 10, 10, 11, 7, |
| 7, 6, 7, 7, 8, 8, 8, 9, |
| 9, 9, 9, 10, 10, 10, 10, 7, |
| 8, 7, 7, 8, 8, 8, 8, 9, |
| 9, 9, 10, 10, 10, 10, 11, 7, |
| 9, 7, 8, 8, 8, 8, 9, 9, |
| 9, 9, 10, 10, 10, 10, 10, 7, |
| 9, 8, 8, 8, 8, 9, 9, 9, |
| 9, 10, 10, 10, 10, 10, 11, 7, |
| 10, 8, 8, 8, 9, 9, 9, 9, |
| 10, 10, 10, 10, 10, 11, 11, 8, |
| 10, 9, 9, 9, 9, 9, 9, 9, |
| 9, 10, 10, 10, 10, 11, 11, 8, |
| 10, 9, 9, 9, 9, 9, 9, 10, |
| 10, 10, 10, 10, 11, 11, 11, 8, |
| 11, 9, 9, 9, 9, 10, 10, 10, |
| 10, 10, 10, 11, 11, 11, 11, 8, |
| 11, 10, 9, 9, 9, 10, 10, 10, |
| 10, 10, 10, 11, 11, 11, 11, 8, |
| 11, 10, 10, 10, 10, 10, 10, 10, |
| 10, 10, 11, 11, 11, 11, 11, 8, |
| 11, 10, 10, 10, 10, 10, 10, 10, |
| 11, 11, 11, 11, 11, 11, 11, 8, |
| 12, 10, 10, 10, 10, 10, 10, 11, |
| 11, 11, 11, 11, 11, 11, 11, 8, |
| 8, 7, 7, 7, 7, 7, 7, 7, |
| 7, 7, 7, 8, 8, 8, 8, 4, |
| }; |
| |
| static const HuffTable mpa_huff_tables[16] = { |
| { 1, NULL, NULL }, |
| { 2, mpa_huffbits_1, mpa_huffcodes_1 }, |
| { 3, mpa_huffbits_2, mpa_huffcodes_2 }, |
| { 3, mpa_huffbits_3, mpa_huffcodes_3 }, |
| { 4, mpa_huffbits_5, mpa_huffcodes_5 }, |
| { 4, mpa_huffbits_6, mpa_huffcodes_6 }, |
| { 6, mpa_huffbits_7, mpa_huffcodes_7 }, |
| { 6, mpa_huffbits_8, mpa_huffcodes_8 }, |
| { 6, mpa_huffbits_9, mpa_huffcodes_9 }, |
| { 8, mpa_huffbits_10, mpa_huffcodes_10 }, |
| { 8, mpa_huffbits_11, mpa_huffcodes_11 }, |
| { 8, mpa_huffbits_12, mpa_huffcodes_12 }, |
| { 16, mpa_huffbits_13, mpa_huffcodes_13 }, |
| { 16, mpa_huffbits_15, mpa_huffcodes_15 }, |
| { 16, mpa_huffbits_16, mpa_huffcodes_16 }, |
| { 16, mpa_huffbits_24, mpa_huffcodes_24 }, |
| }; |
| |
| static const uint8_t mpa_huff_data[32][2] = { |
| { 0, 0 }, |
| { 1, 0 }, |
| { 2, 0 }, |
| { 3, 0 }, |
| { 0, 0 }, |
| { 4, 0 }, |
| { 5, 0 }, |
| { 6, 0 }, |
| { 7, 0 }, |
| { 8, 0 }, |
| { 9, 0 }, |
| { 10, 0 }, |
| { 11, 0 }, |
| { 12, 0 }, |
| { 0, 0 }, |
| { 13, 0 }, |
| { 14, 1 }, |
| { 14, 2 }, |
| { 14, 3 }, |
| { 14, 4 }, |
| { 14, 6 }, |
| { 14, 8 }, |
| { 14, 10 }, |
| { 14, 13 }, |
| { 15, 4 }, |
| { 15, 5 }, |
| { 15, 6 }, |
| { 15, 7 }, |
| { 15, 8 }, |
| { 15, 9 }, |
| { 15, 11 }, |
| { 15, 13 }, |
| }; |
| |
| |
| /* huffman tables for quadrules */ |
| static const uint8_t mpa_quad_codes[2][16] = { |
| { 1, 5, 4, 5, 6, 5, 4, 4, 7, 3, 6, 0, 7, 2, 3, 1, }, |
| { 15, 14, 13, 12, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0, }, |
| }; |
| |
| static const uint8_t mpa_quad_bits[2][16] = { |
| { 1, 4, 4, 5, 4, 6, 5, 6, 4, 5, 5, 6, 5, 6, 6, 6, }, |
| { 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, }, |
| }; |
| |
| /* band size tables */ |
| static const uint8_t band_size_long[9][22] = { |
| { 4, 4, 4, 4, 4, 4, 6, 6, 8, 8, 10, |
| 12, 16, 20, 24, 28, 34, 42, 50, 54, 76, 158, }, /* 44100 */ |
| { 4, 4, 4, 4, 4, 4, 6, 6, 6, 8, 10, |
| 12, 16, 18, 22, 28, 34, 40, 46, 54, 54, 192, }, /* 48000 */ |
| { 4, 4, 4, 4, 4, 4, 6, 6, 8, 10, 12, |
| 16, 20, 24, 30, 38, 46, 56, 68, 84, 102, 26, }, /* 32000 */ |
| { 6, 6, 6, 6, 6, 6, 8, 10, 12, 14, 16, |
| 20, 24, 28, 32, 38, 46, 52, 60, 68, 58, 54, }, /* 22050 */ |
| { 6, 6, 6, 6, 6, 6, 8, 10, 12, 14, 16, |
| 18, 22, 26, 32, 38, 46, 52, 64, 70, 76, 36, }, /* 24000 */ |
| { 6, 6, 6, 6, 6, 6, 8, 10, 12, 14, 16, |
| 20, 24, 28, 32, 38, 46, 52, 60, 68, 58, 54, }, /* 16000 */ |
| { 6, 6, 6, 6, 6, 6, 8, 10, 12, 14, 16, |
| 20, 24, 28, 32, 38, 46, 52, 60, 68, 58, 54, }, /* 11025 */ |
| { 6, 6, 6, 6, 6, 6, 8, 10, 12, 14, 16, |
| 20, 24, 28, 32, 38, 46, 52, 60, 68, 58, 54, }, /* 12000 */ |
| { 12, 12, 12, 12, 12, 12, 16, 20, 24, 28, 32, |
| 40, 48, 56, 64, 76, 90, 2, 2, 2, 2, 2, }, /* 8000 */ |
| }; |
| |
| static const uint8_t band_size_short[9][13] = { |
| { 4, 4, 4, 4, 6, 8, 10, 12, 14, 18, 22, 30, 56, }, /* 44100 */ |
| { 4, 4, 4, 4, 6, 6, 10, 12, 14, 16, 20, 26, 66, }, /* 48000 */ |
| { 4, 4, 4, 4, 6, 8, 12, 16, 20, 26, 34, 42, 12, }, /* 32000 */ |
| { 4, 4, 4, 6, 6, 8, 10, 14, 18, 26, 32, 42, 18, }, /* 22050 */ |
| { 4, 4, 4, 6, 8, 10, 12, 14, 18, 24, 32, 44, 12, }, /* 24000 */ |
| { 4, 4, 4, 6, 8, 10, 12, 14, 18, 24, 30, 40, 18, }, /* 16000 */ |
| { 4, 4, 4, 6, 8, 10, 12, 14, 18, 24, 30, 40, 18, }, /* 11025 */ |
| { 4, 4, 4, 6, 8, 10, 12, 14, 18, 24, 30, 40, 18, }, /* 12000 */ |
| { 8, 8, 8, 12, 16, 20, 24, 28, 36, 2, 2, 2, 26, }, /* 8000 */ |
| }; |
| |
| static const uint8_t mpa_pretab[2][22] = { |
| { 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, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 2, 2, 3, 3, 3, 2, 0 }, |
| }; |
| |
| /* table for alias reduction (XXX: store it as integer !) */ |
| static const float ci_table[8] = { |
| -0.6, -0.535, -0.33, -0.185, -0.095, -0.041, -0.0142, -0.0037, |
| }; |
| |
| #endif /* AVCODEC_MPEGAUDIODECTAB_H */ |
