2 * MPEG-4 Parametric Stereo data tables
3 * Copyright (c) 2010 Alex Converse <alex.converse@gmail.com>
5 * This file is part of FFmpeg.
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.
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.
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
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,
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,
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,
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,
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,
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,
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,
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,
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,
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,
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,
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,
104 static const uint8_t huff_ipd_df_bits[] = {
105 1, 3, 4, 4, 4, 4, 4, 4,
108 static const uint8_t huff_ipd_df_codes[] = {
109 0x01, 0x00, 0x06, 0x04, 0x02, 0x03, 0x05, 0x07,
112 static const uint8_t huff_ipd_dt_bits[] = {
113 1, 3, 4, 5, 5, 4, 4, 3,
116 static const uint8_t huff_ipd_dt_codes[] = {
117 0x01, 0x02, 0x02, 0x03, 0x02, 0x00, 0x03, 0x03,
120 static const uint8_t huff_opd_df_bits[] = {
121 1, 3, 4, 4, 5, 5, 4, 3,
124 static const uint8_t huff_opd_df_codes[] = {
125 0x01, 0x01, 0x06, 0x04, 0x0F, 0x0E, 0x05, 0x00,
128 static const uint8_t huff_opd_dt_bits[] = {
129 1, 3, 4, 5, 5, 4, 4, 3,
132 static const uint8_t huff_opd_dt_codes[] = {
133 0x01, 0x02, 0x01, 0x07, 0x06, 0x00, 0x02, 0x03,
136 static const int8_t huff_offset[] = {
145 static const int8_t 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
152 static const int8_t 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
160 static const float g1_Q2[] = {
161 0.0f, 0.01899487526049f, 0.0f, -0.07293139167538f,
162 0.0f, 0.30596630545168f, 0.5f