1 /* 2 * MPEG-4 Parametric Stereo data tables 3 * Copyright (c) 2010 Alex Converse <alex.converse@gmail.com> 4 * 5 * This file is part of FFmpeg. 6 * 7 * FFmpeg is free software; you can redistribute it and/or 8 * modify it under the terms of the GNU Lesser General Public 9 * License as published by the Free Software Foundation; either 10 * version 2.1 of the License, or (at your option) any later version. 11 * 12 * FFmpeg is distributed in the hope that it will be useful, 13 * but WITHOUT ANY WARRANTY; without even the implied warranty of 14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 15 * Lesser General Public License for more details. 16 * 17 * You should have received a copy of the GNU Lesser General Public 18 * License along with FFmpeg; if not, write to the Free Software 19 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA 20 */ 21 22 static const uint8_t huff_iid_df1_bits[] = { 23 18, 18, 18, 18, 18, 18, 18, 18, 18, 17, 18, 17, 17, 16, 16, 15, 14, 14, 24 13, 12, 12, 11, 10, 10, 8, 7, 6, 5, 4, 3, 1, 3, 4, 5, 6, 7, 25 8, 9, 10, 11, 11, 12, 13, 14, 14, 15, 16, 16, 17, 17, 18, 17, 18, 18, 26 18, 18, 18, 18, 18, 18, 18, 27 }; 28 29 static const uint32_t huff_iid_df1_codes[] = { 30 0x01FEB4, 0x01FEB5, 0x01FD76, 0x01FD77, 0x01FD74, 0x01FD75, 0x01FE8A, 31 0x01FE8B, 0x01FE88, 0x00FE80, 0x01FEB6, 0x00FE82, 0x00FEB8, 0x007F42, 32 0x007FAE, 0x003FAF, 0x001FD1, 0x001FE9, 0x000FE9, 0x0007EA, 0x0007FB, 33 0x0003FB, 0x0001FB, 0x0001FF, 0x00007C, 0x00003C, 0x00001C, 0x00000C, 34 0x000000, 0x000001, 0x000001, 0x000002, 0x000001, 0x00000D, 0x00001D, 35 0x00003D, 0x00007D, 0x0000FC, 0x0001FC, 0x0003FC, 0x0003F4, 0x0007EB, 36 0x000FEA, 0x001FEA, 0x001FD6, 0x003FD0, 0x007FAF, 0x007F43, 0x00FEB9, 37 0x00FE83, 0x01FEB7, 0x00FE81, 0x01FE89, 0x01FE8E, 0x01FE8F, 0x01FE8C, 38 0x01FE8D, 0x01FEB2, 0x01FEB3, 0x01FEB0, 0x01FEB1, 39 }; 40 41 static const uint8_t huff_iid_dt1_bits[] = { 42 16, 16, 16, 16, 16, 16, 16, 16, 16, 15, 15, 15, 15, 15, 15, 14, 14, 13, 43 13, 13, 12, 12, 11, 10, 9, 9, 7, 6, 5, 3, 1, 2, 5, 6, 7, 8, 44 9, 10, 11, 11, 12, 12, 13, 13, 14, 14, 15, 15, 15, 15, 16, 16, 16, 16, 45 16, 16, 16, 16, 16, 16, 16, 46 }; 47 48 static const uint16_t huff_iid_dt1_codes[] = { 49 0x004ED4, 0x004ED5, 0x004ECE, 0x004ECF, 0x004ECC, 0x004ED6, 0x004ED8, 50 0x004F46, 0x004F60, 0x002718, 0x002719, 0x002764, 0x002765, 0x00276D, 51 0x0027B1, 0x0013B7, 0x0013D6, 0x0009C7, 0x0009E9, 0x0009ED, 0x0004EE, 52 0x0004F7, 0x000278, 0x000139, 0x00009A, 0x00009F, 0x000020, 0x000011, 53 0x00000A, 0x000003, 0x000001, 0x000000, 0x00000B, 0x000012, 0x000021, 54 0x00004C, 0x00009B, 0x00013A, 0x000279, 0x000270, 0x0004EF, 0x0004E2, 55 0x0009EA, 0x0009D8, 0x0013D7, 0x0013D0, 0x0027B2, 0x0027A2, 0x00271A, 56 0x00271B, 0x004F66, 0x004F67, 0x004F61, 0x004F47, 0x004ED9, 0x004ED7, 57 0x004ECD, 0x004ED2, 0x004ED3, 0x004ED0, 0x004ED1, 58 }; 59 60 static const uint8_t huff_iid_df0_bits[] = { 61 17, 17, 17, 17, 16, 15, 13, 10, 9, 7, 6, 5, 4, 3, 1, 3, 4, 5, 62 6, 6, 8, 11, 13, 14, 14, 15, 17, 18, 18, 63 }; 64 65 static const uint32_t huff_iid_df0_codes[] = { 66 0x01FFFB, 0x01FFFC, 0x01FFFD, 0x01FFFA, 0x00FFFC, 0x007FFC, 0x001FFD, 67 0x0003FE, 0x0001FE, 0x00007E, 0x00003C, 0x00001D, 0x00000D, 0x000005, 68 0x000000, 0x000004, 0x00000C, 0x00001C, 0x00003D, 0x00003E, 0x0000FE, 69 0x0007FE, 0x001FFC, 0x003FFC, 0x003FFD, 0x007FFD, 0x01FFFE, 0x03FFFE, 70 0x03FFFF, 71 }; 72 73 static const uint8_t huff_iid_dt0_bits[] = { 74 19, 19, 19, 20, 20, 20, 17, 15, 12, 10, 8, 6, 4, 2, 1, 3, 5, 7, 75 9, 11, 13, 14, 17, 19, 20, 20, 20, 20, 20, 76 }; 77 78 static const uint32_t huff_iid_dt0_codes[] = { 79 0x07FFF9, 0x07FFFA, 0x07FFFB, 0x0FFFF8, 0x0FFFF9, 0x0FFFFA, 0x01FFFD, 80 0x007FFE, 0x000FFE, 0x0003FE, 0x0000FE, 0x00003E, 0x00000E, 0x000002, 81 0x000000, 0x000006, 0x00001E, 0x00007E, 0x0001FE, 0x0007FE, 0x001FFE, 82 0x003FFE, 0x01FFFC, 0x07FFF8, 0x0FFFFB, 0x0FFFFC, 0x0FFFFD, 0x0FFFFE, 83 0x0FFFFF, 84 }; 85 86 static const uint8_t huff_icc_df_bits[] = { 87 14, 14, 12, 10, 7, 5, 3, 1, 2, 4, 6, 8, 9, 11, 13, 88 }; 89 90 static const uint16_t huff_icc_df_codes[] = { 91 0x3FFF, 0x3FFE, 0x0FFE, 0x03FE, 0x007E, 0x001E, 0x0006, 0x0000, 92 0x0002, 0x000E, 0x003E, 0x00FE, 0x01FE, 0x07FE, 0x1FFE, 93 }; 94 95 static const uint8_t huff_icc_dt_bits[] = { 96 14, 13, 11, 9, 7, 5, 3, 1, 2, 4, 6, 8, 10, 12, 14, 97 }; 98 99 static const uint16_t huff_icc_dt_codes[] = { 100 0x3FFE, 0x1FFE, 0x07FE, 0x01FE, 0x007E, 0x001E, 0x0006, 0x0000, 101 0x0002, 0x000E, 0x003E, 0x00FE, 0x03FE, 0x0FFE, 0x3FFF, 102 }; 103 104 static const uint8_t huff_ipd_df_bits[] = { 105 1, 3, 4, 4, 4, 4, 4, 4, 106 }; 107 108 static const uint8_t huff_ipd_df_codes[] = { 109 0x01, 0x00, 0x06, 0x04, 0x02, 0x03, 0x05, 0x07, 110 }; 111 112 static const uint8_t huff_ipd_dt_bits[] = { 113 1, 3, 4, 5, 5, 4, 4, 3, 114 }; 115 116 static const uint8_t huff_ipd_dt_codes[] = { 117 0x01, 0x02, 0x02, 0x03, 0x02, 0x00, 0x03, 0x03, 118 }; 119 120 static const uint8_t huff_opd_df_bits[] = { 121 1, 3, 4, 4, 5, 5, 4, 3, 122 }; 123 124 static const uint8_t huff_opd_df_codes[] = { 125 0x01, 0x01, 0x06, 0x04, 0x0F, 0x0E, 0x05, 0x00, 126 }; 127 128 static const uint8_t huff_opd_dt_bits[] = { 129 1, 3, 4, 5, 5, 4, 4, 3, 130 }; 131 132 static const uint8_t huff_opd_dt_codes[] = { 133 0x01, 0x02, 0x01, 0x07, 0x06, 0x00, 0x02, 0x03, 134 }; 135 136 static const int8_t huff_offset[] = { 137 30, 30, 138 14, 14, 139 7, 7, 140 0, 0, 141 0, 0, 142 }; 143 144 ///Table 8.48 145 const int8_t ff_k_to_i_20[] = { 146 1, 0, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 14, 15, 147 15, 15, 16, 16, 16, 16, 17, 17, 17, 17, 17, 18, 18, 18, 18, 18, 18, 18, 18, 148 18, 18, 18, 18, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 149 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19 150 }; 151 ///Table 8.49 152 const int8_t ff_k_to_i_34[] = { 153 0, 1, 2, 3, 4, 5, 6, 6, 7, 2, 1, 0, 10, 10, 4, 5, 6, 7, 8, 154 9, 10, 11, 12, 9, 14, 11, 12, 13, 14, 15, 16, 13, 16, 17, 18, 19, 20, 21, 155 22, 22, 23, 23, 24, 24, 25, 25, 26, 26, 27, 27, 27, 28, 28, 28, 29, 29, 29, 156 30, 30, 30, 31, 31, 31, 31, 32, 32, 32, 32, 33, 33, 33, 33, 33, 33, 33, 33, 157 33, 33, 33, 33, 33, 33, 33, 33, 33, 33, 33, 33, 33, 33, 33 158 }; 159