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1 /* |
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2 * Copyright (c) 2010 Ixonos Plc. |
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3 * All rights reserved. |
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4 * This component and the accompanying materials are made available |
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5 * under the terms of the "Eclipse Public License v1.0" |
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6 * which accompanies this distribution, and is available |
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7 * at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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8 * |
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9 * Initial Contributors: |
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10 * Nokia Corporation - Initial contribution |
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11 * |
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12 * Contributors: |
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13 * Ixonos Plc |
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14 * |
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15 * Description: |
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16 * |
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17 */ |
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18 |
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19 |
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20 /************************************************************************** |
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21 mp3tables.cpp - Tables for layer III. |
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22 |
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23 Author(s): Juha Ojanpera |
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24 Modified: Ali Ahmaniemi |
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25 Copyright (c) 1999-2004 by Nokia Research Center, Speech and Audio Systems. |
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26 *************************************************************************/ |
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27 |
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28 #ifndef MP3TABLES_H |
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29 #define MP3TABLES_H |
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30 |
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31 /*-- Project Headers. --*/ |
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32 #include "mpaud.h" |
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33 |
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34 /* |
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35 Purpose: Grouping of the scalefactors of long and short blocks. |
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36 Explanation: - */ |
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37 const SFBITS_DATA sfbtable = {{0, 6, 11, 16, 21}, {0, 6, 12} }; |
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38 |
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39 /* |
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40 Purpose: Number of bits used for the scalefactors. |
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41 Explanation: - */ |
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42 const int16 slen[2][16] = { |
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43 {0, 0, 0, 0, 3, 1, 1, 1, 2, 2, 2, 3, 3, 3, 4, 4}, |
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44 {0, 1, 2, 3, 0, 1, 2, 3, 1, 2, 3, 1, 2, 3, 2, 3}}; |
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45 |
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46 /* |
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47 Purpose: Number of scalefactor bands for MPEG-2 LSF and MPEG-2.5 |
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48 bit streams. |
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49 Explanation: - */ |
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50 const uint8 nr_of_sfb_block[6][3][4] = { |
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51 {{ 6, 5, 5, 5}, { 9, 9, 9, 9}, { 6, 9, 9, 9}}, |
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52 {{ 6, 5, 7, 3}, { 9, 9, 12, 6}, { 6, 9, 12, 6}}, |
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53 {{11, 10, 0, 0}, {18, 18, 0, 0}, {15, 18, 0, 0}}, |
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54 {{ 7, 7, 7, 0}, {12, 12, 12, 0}, { 6, 15, 12, 0}}, |
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55 {{ 6, 6, 6, 3}, {12, 9, 9, 6}, { 6, 12, 9, 6}}, |
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56 {{ 8, 8, 5, 0}, {15, 12, 9, 0}, { 6, 18, 9, 0}}}; |
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57 |
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58 /* |
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59 Purpose: Length of each Huffman table. |
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60 Explanation: - */ |
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61 const int16 huf_tree_len[] = |
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62 {0, 4, 9, 9, 0, 16, 16, 36, 36, 36, 64, 64, 64, 256, 0, 256, 256, 256, 256, 256, |
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63 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 256, 16}; |
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64 |
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65 /* |
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66 Purpose: Number of extra bits for each Huffman table. |
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67 Explanation: - */ |
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68 const int16 linbits[] = |
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69 {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 2, 3, 4, 6, 8, 10, 13, 4, 5, |
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70 6, 7, 8, 9, 11, 13, 0, 0}; |
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71 |
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72 |
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73 /* |
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74 The following tables contain all the necessary information needed for |
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75 Huffman decoding of MPEG-1/MPEG-2 Layer III compliant stream. |
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76 |
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77 Tables 'huff_symbolsxx' contain the x and y values and the length of the |
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78 corresponding Huffman codewords. The first 5 bits hold the length of the |
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79 Huffman codeword. Next 4 bits hold y-value and the remaining bits hold the |
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80 x-value. The length is actually the difference between the current and the |
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81 previous length. |
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82 |
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83 Tables 'huff_cwordsxx' hold the Huffman codewords. Note these values are |
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84 sorted according to their length. |
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85 |
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86 For more information see function 'decode_codeword()'. |
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87 */ |
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88 |
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89 /* Table 1 */ |
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90 const int16 huff_symbols1[] = {1, 513, 33, 544}; |
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91 const int16 huff_cwords1[] = {1, 1, 1, 0}; |
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92 |
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93 /* Table 2 */ |
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94 const int16 huff_symbols2[] = {1, 34, 512, 544, 578, 1024, 1056, 65, 1088}; |
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95 const int16 huff_cwords2[] = {1, 2, 3, 1, 1, 3, 2, 1, 0}; |
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96 |
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97 /* Table 3 */ |
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98 const int16 huff_symbols3[] = {2, 32, 544, 513, 578, 1024, 1056, 65, 1088}; |
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99 const int16 huff_cwords3[] = {3, 2, 1, 1, 1, 3, 2, 1, 0}; |
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100 |
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101 /* Table 5 */ |
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102 const int16 huff_symbols5[] = {1, 34, 512, 544, 67, 576, 1024, 1056, 1568, 97, |
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103 608, 1088, 1536, 1600, 1121, 1632}; |
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104 const int16 huff_cwords5[] = {1, 2, 3, 1, 6, 4, 7, 5, 1, 5, 4, 7, 6, 1, 1, 0}; |
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105 |
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106 /* Table 6 */ |
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107 const int16 huff_symbols6[] = {546, 1, 32, 512, 577, 1024, 1056, 65, 608, 1088, |
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108 1568, 1121, 1536, 1600, 97, 1632}; |
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109 const int16 huff_cwords6[] = {2, 7, 3, 6, 3, 5, 4, 5, 2, 4, 3, 1, 3, 2, 1, 0}; |
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110 |
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111 /* Table 7 */ |
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112 const int16 huff_symbols7[] = |
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113 {1, 34, 512, 545, 1057, 65,576, 1024, 609, 640, 1088, 1536, 1568, 2048, 2080, |
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114 97, 128, 672, 1120, 1152, 1600, 2112, 2560, 2592, 161, 1184, 1632, 1664, 1696, |
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115 2144, 2176, 2624, 2209, 2656, 2688, 2720}; |
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116 const int16 huff_cwords7[] = |
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117 {1, 2, 3, 3, 4, 10, 7, 11, 10, 5, 13, 12, 11, 7, 6, 19, 16, 3, 17, 8, 18, 9, 6, |
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118 4, 10, 4, 15, 11, 2, 14, 3, 5, 1, 3, 2, 0}; |
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119 |
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120 /* Table 8 */ |
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121 const int16 huff_symbols8[] = |
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122 {2, 544, 33, 512, 577, 1056, 66, 1024, 1088, 2081, 97, 128, 608, 640, 672, 1120, |
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123 1152, 1536, 1568, 1600, 2048, 2112, 2592, 161, 1184, 1632, 1664, 2144, 2560, |
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124 2624, 2656, 1697, 2176, 2208, 2689, 2720}; |
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125 const int16 huff_cwords8[] = |
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126 {3, 1, 4, 5, 2, 3, 6, 7, 5, 5, 18, 12, 16, 9, 3, 14, 7, 19, 17, 15, 13, 8, 4, 5, |
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127 3, 13, 10, 11, 12, 4, 1, 4, 5, 1, 1, 0}; |
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128 |
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129 /* Table 9 */ |
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130 const int16 huff_symbols9[] = |
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131 {3, 32, 512, 544, 577, 1024, 1056, 65, 608, 1088, 1568, 97, 640, 1120, 1536, |
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132 1600, 2080, 1153, 1632, 1664, 2048, 2112, 2144, 2592, 129, 672, 1184, 1696, |
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133 2176, 2560, 2624, 2656, 161, 2208, 2688, 2720}; |
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134 const int16 huff_cwords9[] = |
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135 {7, 5, 6, 4, 5, 7, 6, 9, 5, 8, 6, 14, 6, 8, 15, 9, 7, 8, 10, 5, 11, 9, 6, 4, 15, |
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136 7, 5, 1, 4, 14, 6, 2, 7, 1, 6, 0}; |
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137 |
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138 /* Table 10 */ |
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139 const int16 huff_symbols10[] = |
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140 {1, 34, 512, 545, 66, 576, 1024, 1056, 609, 1088, 1536, 1568, 97, 640, 704, 736, |
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141 1120, 1600, 2048, 2080, 3072, 3104, 3616, 129, 160, 192, 672, 1152, 1216, 1248, |
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142 1632, 1728, 2112, 2560, 2592, 3136, 3584, 3648, 225, 1184, 1664, 1696, 1760, |
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143 2144, 2176, 2208, 2240, 2272, 2624, 2656, 2752, 3168, 3200, 3232, 3680, 3712, |
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144 2689, 2720, 2784, 3264, 3296, 3744, 3776, 3808}; |
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145 const int16 huff_cwords10[] = |
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146 {1, 2, 3, 3, 10, 8, 11, 9, 12, 15, 14, 13, 23, 18, 12, 7, 21, 22, 20, 19, 14, |
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147 13, 8, 35, 30, 12, 21, 32, 19, 6, 34, 18, 33, 31, 22, 10, 9, 7, 17, 40, 46, 23, |
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148 7, 47, 27, 22, 9, 3, 41, 26, 5, 11, 16, 6, 8, 4, 21, 20, 3, 5, 1, 4, 2, 0}; |
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149 |
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150 /* Table 11 */ |
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151 const int16 huff_symbols11[] = |
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152 {2, 33, 512, 544, 577, 65, 1024, 1056, 609, 1088, 1568, 97, 704, 1120, 1536, |
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153 1600, 3104, 3136, 3616, 129, 192, 640, 672, 736, 1152, 1216, 1248, 1664, 1728, |
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154 2048, 2080, 2112, 2560, 2592, 3072, 3168, 3584, 3648, 161, 224, 1184, 1632, |
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155 1760, 2144, 2176, 2240, 2624, 3200, 3680, 1697, 2208, 2272, 2656, 2688, 2752, |
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156 3232, 3264, 3296, 3712, 3744, 3776, 3808, 2721, 2784}; |
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157 const int16 huff_cwords11[] = |
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158 {3, 4, 5, 3, 4, 10, 11, 7, 10, 13, 11, 24, 11, 18, 25, 19, 12, 9, 4, 34, 21, 32, |
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159 17, 10, 30, 20, 5, 27, 12, 35, 33, 31, 28, 26, 14, 13, 11, 6, 33, 15, 31, 59, |
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160 5, 58, 30, 7, 32, 14, 6, 18, 16, 5, 19, 17, 8, 9, 4, 1, 6, 3, 2, 0, 15, 14}; |
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161 |
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162 /* Table 12 */ |
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163 const int16 huff_symbols12[] = |
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164 {35, 512, 544, 1, 576, 1056, 65, 608, 1024, 1088, 1568, 1121, 1536, 1600, 1632, |
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165 2080, 97, 640, 672, 1152, 1216, 1664, 2048, 2112, 2144, 2592, 3104, 3136, 129, |
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166 704, 736, 1184, 1248, 1696, 1728, 1760, 2176, 2208, 2240, 2560, 2624, 2656, |
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167 2688, 2752, 3072, 3168, 3200, 3616, 3648, 161, 192, 224, 2272, 2720, 2784, |
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168 3232, 3264, 3584, 3680, 3712, 3744, 3776, 3297, 3808}; |
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169 const int16 huff_cwords12[] = |
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170 {6, 7, 5, 9, 6, 7, 16, 9, 17, 11, 10, 14, 17, 15, 12, 13, 33, 23, 16, 21, 10, |
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171 18, 32, 22, 19, 17, 12, 11, 41, 26, 11, 30, 7, 28, 14, 5, 18, 16, 9, 40, 31, |
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172 29, 17, 4, 27, 15, 10, 12, 8, 39, 38, 26, 5, 13, 2, 7, 4, 27, 12, 6, 3, 1, 1, |
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173 0}; |
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174 |
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175 /* Table 13 */ |
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176 const int16 huff_symbols13[] = |
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177 {1, 514, 33, 544, 66, 576, 1024, 1056, 97, 608, 1088, 1536, 1568, 2080, 129, |
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178 640, 672, 1120, 1600, 2048, 2592, 4128, 161, 192, 256, 704, 736, 768, 800, |
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179 1152, 1184, 1280, 1632, 1664, 2112, 2144, 2560, 2624, 3072, 3104, 3616, 4096, |
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180 4160, 4640, 225, 288, 832, 864, 1216, 1248, 1312, 1344, 1696, 1728, 1760, 1792, |
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181 2176, 2208, 2304, 2656, 2688, 2720, 3136, 3168, 3584, 3648, 4192, 4224, 4608, |
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182 4672, 4704, 5120, 5152, 5184, 5664, 5696, 321, 352, 896, 1376, 1408, 1824, |
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183 1856, 1888, 1920, 2240, 2272, 2336, 2368, 2752, 2784, 2816, 2848, 2912, 3200, |
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184 3232, 3264, 3296, 3328, 3680, 3712, 3744, 4256, 4288, 4736, 4768, 4800, 5216, |
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185 5248, 5632, 5728, 6144, 6176, 6208, 6688, 385, 416, 928, 960, 992, 1440, 1952, |
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186 2400, 2432, 2880, 3360, 3392, 3424, 3776, 3808, 3840, 3872, 4320, 4352, 4384, |
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187 4416, 4864, 5280, 5312, 5376, 5760, 5792, 5824, 5856, 6240, 6272, 6336, 6656, |
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188 6720, 7200, 7232, 7680, 7712, 449, 480, 1472, 1504, 1984, 2016, 2464, 2496, |
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189 2944, 2976, 3456, 3488, 3904, 3936, 3968, 4448, 4480, 4832, 4896, 4928, 5344, |
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190 5408, 5472, 5888, 5920, 5952, 6304, 6368, 6752, 6784, 6816, 7168, 7264, 7296, |
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191 7328, 7744, 2529, 3008, 3040, 3520, 3552, 4000, 4512, 4960, 4992, 5024, 5440, |
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192 5504, 5984, 6400, 6432, 6848, 6880, 6912, 6944, 6976, 7392, 7424, 7776, 7808, |
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193 7840, 7904, 4545, 4576, 5088, 5536, 6016, 6048, 6080, 6464, 6496, 6528, 7008, |
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194 7072, 7360, 7488, 7520, 7552, 7872, 7936, 7968, 4033, 4064, 5056, 5568, 6112, |
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195 6560, 6592, 6624, 7040, 7104, 7136, 7616, 7648, 8000, 8032, 8160, 5601, 7456, |
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196 7584, 8097, 8065, 8128}; |
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197 const int16 huff_cwords13[] = |
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198 {1, 3, 5, 4, 14, 12, 15, 13, 21, 19, 23, 22, 20, 16, 34, 31, 26, 36, 37, 35, 27, |
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199 20, 51, 46, 42, 44, 33, 31, 24, 59, 49, 29, 61, 56, 60, 57, 58, 50, 47, 45, 34, |
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200 43, 30, 25, 71, 52, 32, 24, 77, 65, 40, 30, 79, 73, 64, 43, 97, 75, 54, 96, 76, |
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201 70, 78, 74, 72, 56, 44, 55, 53, 41, 37, 35, 33, 31, 25, 23, 68, 52, 31, 40, 27, |
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202 76, 56, 37, 26, 114, 91, 73, 55, 93, 84, 77, 58, 29, 115, 94, 90, 79, 69, 95, |
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203 92, 85, 78, 72, 44, 59, 54, 57, 42, 53, 38, 34, 32, 28, 21, 67, 44, 35, 22, 14, |
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204 33, 31, 41, 48, 79, 83, 71, 50, 91, 90, 86, 73, 87, 78, 61, 46, 66, 82, 72, 47, |
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205 70, 60, 51, 36, 39, 49, 30, 45, 34, 23, 20, 16, 15, 43, 19, 42, 16, 25, 14, 53, |
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206 23, 74, 49, 59, 38, 77, 65, 51, 54, 37, 81, 76, 57, 80, 58, 21, 55, 26, 34, 75, |
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207 52, 64, 56, 50, 48, 39, 36, 35, 17, 24, 41, 17, 36, 15, 44, 30, 54, 37, 18, 55, |
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208 22, 23, 48, 40, 49, 45, 31, 19, 12, 21, 16, 27, 25, 20, 11, 20, 16, 11, 26, 27, |
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209 14, 9, 52, 28, 18, 15, 7, 53, 13, 10, 6, 29, 17, 12, 43, 42, 39, 38, 7, 17, 9, |
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210 5, 10, 6, 3, 4, 2, 16, 8, 1, 22, 23, 1, 1, 1, 0}; |
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211 |
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212 /* Table 15 */ |
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213 const int16 huff_symbols15[] = |
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214 {3, 544, 33, 512, 65, 576, 1024, 1056, 1088, 609, 1120, 1536, 1568, 1600, 2080, |
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215 97, 128, 640, 672, 1152, 1184, 1632, 1664, 2048, 2112, 2144, 2592, 2624, 3104, |
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216 161, 704, 736, 768, 1216, 1248, 1280, 1696, 1728, 2176, 2208, 2560, 2656, 2688, |
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217 2720, 3136, 3168, 3200, 3616, 3648, 4128, 4160, 4640, 193, 224, 256, 800, 832, |
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218 1312, 1344, 1760, 1792, 1824, 2240, 2272, 2304, 2336, 2752, 2784, 2816, 2848, |
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219 3072, 3232, 3264, 3296, 3328, 3584, 3680, 3712, 3744, 3776, 4096, 4192, 4224, |
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220 4256, 4288, 4608, 4672, 4704, 4736, 4768, 5152, 5184, 5216, 5664, 5696, 5728, |
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221 6208, 289, 320, 864, 896, 928, 1376, 1408, 1856, 1888, 1920, 2368, 2400, 2432, |
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222 2880, 2912, 3360, 3392, 3424, 3808, 3840, 3872, 3904, 3936, 4320, 4352, 4384, |
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223 4416, 4800, 4832, 4864, 5120, 5248, 5280, 5312, 5344, 5376, 5632, 5760, 5792, |
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224 5824, 5856, 6176, 6240, 6272, 6304, 6688, 6720, 6752, 6784, 353, 384, 416, 960, |
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225 992, 1440, 1472, 1504, 1952, 1984, 2016, 2464, 2496, 2528, 2944, 2976, 3008, |
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226 3456, 3488, 3968, 4000, 4032, 4448, 4480, 4896, 4928, 4960, 4992, 5408, 5440, |
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227 5472, 5504, 5888, 5920, 5952, 5984, 6144, 6336, 6368, 6400, 6432, 6464, 6496, |
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228 6656, 6816, 6848, 6880, 6912, 7200, 7232, 7264, 7296, 7328, 7360, 7392, 7712, |
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229 7744, 7776, 7808, 7840, 7872, 449, 3040, 3520, 3552, 4064, 4512, 4544, 4576, |
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230 5024, 5056, 5088, 5536, 5600, 6016, 6048, 6080, 6528, 6560, 6944, 6976, 7008, |
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231 7040, 7072, 7168, 7424, 7456, 7488, 7520, 7616, 7680, 7904, 7936, 7968, 8000, |
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232 8032, 481, 5568, 6112, 6592, 6624, 7104, 7136, 7552, 7584, 7648, 8064, 8096, |
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233 8128, 8160}; |
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234 const int16 huff_cwords15[] = |
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235 {7, 5, 12, 13, 18, 16, 19, 17, 15, 27, 24, 29, 28, 25, 22, 53, 47, 46, 36, 41, |
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236 34, 43, 39, 52, 42, 40, 37, 35, 32, 76, 61, 51, 42, 59, 48, 40, 63, 55, 67, 57, |
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237 77, 66, 58, 52, 60, 56, 50, 53, 49, 43, 41, 34, 124, 108, 89, 70, 52, 64, 50, |
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238 93, 76, 59, 95, 79, 72, 57, 91, 74, 62, 48, 125, 92, 78, 65, 55, 109, 94, 88, |
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239 75, 66, 90, 77, 73, 63, 56, 71, 67, 60, 58, 49, 53, 51, 47, 42, 40, 37, 30, |
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240 123, 108, 83, 65, 41, 78, 62, 93, 72, 54, 89, 69, 49, 79, 63, 87, 71, 51, 122, |
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241 91, 73, 56, 42, 92, 77, 66, 47, 88, 76, 67, 109, 90, 82, 58, 57, 48, 86, 70, |
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242 64, 52, 43, 68, 55, 50, 46, 44, 39, 38, 34, 119, 107, 81, 59, 36, 80, 56, 33, |
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243 75, 50, 29, 66, 46, 27, 90, 62, 40, 73, 51, 64, 44, 21, 67, 48, 106, 71, 54, |
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244 38, 72, 57, 41, 23, 70, 55, 42, 25, 118, 74, 65, 49, 39, 24, 16, 91, 63, 52, |
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245 45, 31, 60, 58, 53, 47, 43, 32, 22, 37, 34, 30, 28, 20, 17, 122, 38, 70, 30, |
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246 25, 53, 36, 20, 39, 23, 15, 27, 9, 29, 18, 11, 22, 13, 52, 28, 19, 14, 8, 123, |
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247 37, 24, 17, 12, 2, 71, 26, 21, 16, 10, 6, 63, 62, 11, 14, 7, 9, 3, 15, 10, 1, |
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248 8, 6, 2, 0}; |
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249 |
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250 /* Table 16 */ |
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251 const int16 huff_symbols16[] = |
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252 {1, 514, 33, 544, 66, 576, 1024, 1056, 609, 1088, 1568, 97, 640, 992, 1120, |
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253 1536, 1600, 2080, 2592, 7712, 7744, 8160, 129, 160, 480, 672, 704, 736, 1152, |
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254 1184, 1504, 1632, 1664, 2048, 2112, 2144, 2528, 2560, 2624, 2656, 3104, 3136, |
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255 3616, 7680, 7776, 7808, 193, 224, 768, 800, 832, 1216, 1248, 1312, 1696, 1728, |
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256 1760, 2016, 2176, 2208, 2688, 3040, 3072, 3168, 3552, 3584, 3648, 3680, 4064, |
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257 4096, 4128, 4160, 4576, 4640, 4672, 5184, 5600, 7840, 7872, 7904, 257, 288, |
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258 320, 864, 928, 1280, 1344, 1376, 1408, 1792, 1824, 2240, 2272, 2304, 2720, |
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259 2752, 2816, 3200, 3232, 3264, 3296, 3712, 3744, 3776, 4192, 4224, 4256, 4608, |
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260 4704, 4736, 5088, 5120, 5152, 5216, 5664, 5696, 5728, 6112, 6624, 7136, 7232, |
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261 7648, 7936, 7968, 8000, 8032, 8064, 8096, 8128, 353, 384, 416, 896, 960, 1440, |
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262 1472, 1856, 1888, 1920, 2336, 2368, 2400, 2784, 2848, 2880, 3328, 3360, 3392, |
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263 3424, 3808, 3840, 4288, 4320, 4768, 4800, 5248, 5280, 5312, 5344, 5632, 5760, |
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264 5792, 6144, 6176, 6208, 6240, 6272, 6688, 6720, 6752, 7264, 449, 1952, 1984, |
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265 2432, 2464, 2496, 2912, 2944, 2976, 3456, 3488, 3872, 3904, 3936, 3968, 4352, |
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266 4384, 4416, 4448, 4832, 4864, 4896, 4928, 4992, 5056, 5376, 5824, 6048, 6304, |
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267 6336, 6368, 6400, 6784, 6816, 7168, 7200, 7360, 3009, 3520, 4480, 4512, 4544, |
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268 4960, 5024, 5408, 5440, 5472, 5568, 5856, 5888, 5920, 5952, 5984, 6016, 6080, |
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269 6464, 6496, 6528, 6560, 6656, 6848, 6880, 6912, 7296, 7328, 7392, 7424, 7616, |
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270 4001, 4032, 5504, 5536, 6432, 6976, 7008, 7040, 7104, 7456, 7520, 7584, 6593, |
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271 6944, 7488, 7073, 7552}; |
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272 const int16 huff_cwords16[] = |
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273 {1, 3, 5, 4, 14, 12, 15, 13, 20, 23, 21, 44, 35, 9, 38, 45, 39, 36, 30, 10, 7, |
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274 3, 74, 63, 17, 62, 53, 47, 67, 58, 16, 69, 64, 75, 68, 65, 9, 66, 59, 56, 54, |
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275 52, 48, 12, 11, 10, 110, 93, 83, 75, 68, 103, 90, 72, 114, 99, 87, 26, 115, |
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276 101, 102, 16, 111, 100, 10, 98, 91, 88, 8, 85, 84, 81, 7, 76, 73, 67, 4, 17, |
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277 11, 9, 172, 149, 138, 119, 107, 161, 127, 117, 110, 158, 140, 179, 164, 155, |
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278 185, 173, 142, 184, 178, 160, 133, 165, 157, 148, 159, 156, 143, 154, 141, 131, |
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279 11, 139, 129, 125, 120, 118, 115, 6, 4, 2, 102, 0, 13, 12, 10, 7, 5, 3, 1, 242, |
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280 225, 195, 201, 207, 209, 206, 252, 212, 199, 264, 246, 226, 265, 253, 232, 257, |
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281 244, 228, 217, 261, 248, 260, 249, 256, 245, 247, 233, 229, 219, 243, 227, 223, |
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282 202, 224, 222, 218, 216, 211, 210, 208, 187, 376, 387, 365, 395, 382, 362, 400, |
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283 388, 378, 385, 366, 407, 397, 372, 380, 427, 401, 392, 383, 426, 406, 394, 384, |
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284 359, 352, 393, 396, 223, 389, 386, 381, 364, 370, 379, 377, 369, 358, 445, 715, |
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285 727, 713, 708, 735, 710, 743, 737, 720, 439, 746, 742, 736, 721, 712, 706, 436, |
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286 443, 707, 440, 437, 747, 734, 723, 714, 726, 722, 711, 709, 434, 889, 884, 885, |
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287 882, 888, 883, 877, 876, 865, 866, 871, 870, 1728, 1735, 1734, 3459, 3458}; |
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288 |
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289 /* Table 24 */ |
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290 const int16 huff_symbols24[] = |
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291 {4, 32, 512, 544, 8160, 577, 1056, 65, 608, 1024, 1088, 1568, 97, 640, 1120, |
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292 1152, 1504, 1536, 1600, 1632, 2016, 2080, 2112, 2528, 2592, 3040, 3552, 7712, |
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293 7744, 7776, 7808, 7840, 7872, 7904, 7936, 7968, 8000, 129, 672, 704, 992, 1184, |
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294 1216, 1664, 1696, 1728, 2048, 2144, 2176, 2208, 2240, 2624, 2656, 2688, 2720, |
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295 3104, 3136, 3168, 3200, 3616, 3648, 3680, 4064, 4576, 5088, 5600, 6112, 6624, |
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296 7136, 7648, 7680, 8032, 8064, 8096, 8128, 161, 192, 480, 736, 768, 800, 1248, |
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297 1280, 1312, 1344, 1760, 1792, 1824, 1856, 2272, 2304, 2336, 2560, 2752, 2784, |
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298 2816, 2848, 3072, 3232, 3264, 3296, 3328, 3712, 3744, 3776, 3808, 4128, 4160, |
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299 4192, 4224, 4256, 4288, 4320, 4352, 4640, 4672, 4704, 4736, 4768, 4800, 5152, |
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300 5184, 5216, 5248, 5696, 5728, 5760, 225, 256, 832, 864, 896, 928, 960, 1376, |
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301 1408, 1440, 1888, 1920, 1952, 1984, 2368, 2400, 2432, 2464, 2880, 2912, 2944, |
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302 2976, 3008, 3360, 3392, 3424, 3456, 3488, 3584, 3840, 3872, 3904, 3936, 3968, |
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303 4096, 4384, 4416, 4448, 4480, 4608, 4832, 4864, 4896, 4928, 4960, 5280, 5312, |
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304 5344, 5376, 5408, 5440, 5664, 5792, 5824, 5856, 5888, 5920, 5952, 6176, 6208, |
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305 6240, 6272, 6304, 6336, 6368, 6400, 6432, 6688, 6720, 6752, 6784, 6816, 6848, |
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306 6880, 7200, 7232, 7264, 7296, 7328, 7360, 289, 320, 352, 384, 416, 1472, 2496, |
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307 3520, 4000, 4032, 4512, 4544, 4992, 5024, 5056, 5120, 5472, 5504, 5536, 5568, |
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308 5632, 5984, 6016, 6048, 6080, 6144, 6464, 6496, 6528, 6560, 6592, 6656, 6912, |
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309 6944, 6976, 7008, 7040, 7072, 7104, 7392, 7424, 7456, 7488, 7520, 7552, 7584, |
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310 7616, 449, 7168}; |
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311 const int16 huff_cwords24[] = |
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312 {15, 13, 14, 12, 3, 21, 22, 46, 38, 47, 41, 39, 80, 71, 74, 68, 18, 81, 75, 70, |
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313 16, 72, 69, 14, 66, 12, 10, 20, 19, 17, 15, 13, 11, 9, 7, 6, 4, 146, 130, 122, |
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314 42, 128, 120, 134, 125, 116, 147, 135, 127, 118, 112, 129, 126, 119, 114, 123, |
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315 121, 117, 113, 115, 111, 109, 17, 16, 11, 10, 6, 4, 2, 0, 43, 7, 5, 3, 1, 262, |
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316 248, 88, 216, 209, 198, 221, 207, 194, 182, 220, 204, 190, 178, 210, 200, 188, |
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317 263, 214, 202, 192, 180, 249, 215, 206, 195, 185, 211, 203, 196, 187, 212, 208, |
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318 205, 201, 193, 186, 177, 169, 199, 197, 191, 189, 181, 174, 184, 183, 179, 175, |
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319 171, 168, 164, 434, 426, 327, 345, 319, 297, 279, 340, 315, 295, 325, 311, 293, |
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320 271, 352, 323, 306, 285, 341, 317, 301, 281, 262, 347, 330, 308, 291, 272, 435, |
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321 353, 332, 313, 298, 283, 427, 320, 303, 286, 268, 335, 333, 321, 305, 289, 275, |
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322 344, 331, 314, 304, 290, 277, 346, 318, 309, 299, 287, 276, 263, 322, 316, 312, |
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323 307, 302, 292, 284, 269, 261, 300, 296, 294, 288, 282, 273, 266, 280, 278, 274, |
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324 267, 264, 259, 669, 653, 649, 621, 517, 541, 540, 520, 531, 381, 514, 377, 521, |
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325 379, 371, 668, 530, 383, 373, 366, 652, 513, 375, 368, 362, 648, 512, 376, 370, |
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326 364, 359, 620, 515, 380, 374, 369, 365, 361, 357, 382, 378, 372, 367, 363, 360, |
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327 358, 356, 1032, 1033}; |
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328 |
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329 /* Table 32 */ |
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330 const int16 huff_symbols32[] = |
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331 {1, 35, 64, 128, 256, 97, 192, 288, 320, 384, 161, 224, 352, 416, 448, 480}; |
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332 const int16 huff_cwords32[] = {1, 5, 4, 6, 7, 5, 4, 3, 6, 7, 5, 4, 0, 2, 3, 1}; |
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333 |
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334 /* |
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335 Purpose: Pre-emphasis table. |
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336 Explanation: - */ |
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337 const uint8 pretab[22] = {0,0,0,0,0,0,0,0,0,0,0,1,1,1,1,2,2,3,3,3,2,0}; |
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338 |
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339 /* |
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340 Purpose: Scalefactor band boundaries. |
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341 Explanation: - */ |
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342 const SFBAND_DATA sfBandIndex[9] = {{ |
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343 /* MPEG-2 LSF */ |
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344 {0,6,12,18,24,30,36,44,54,66,80,96,116,140,168,200,238,284,336,396,464,522,576}, |
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345 {0,4,8,12,18,24,32,42,56,74,100,132,174,192}}, /* 22050 Hz */ |
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346 { |
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347 {0,6,12,18,24,30,36,44,54,66,80,96,114,136,162,194,232,278,330,394,464,540,576}, |
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348 {0,4,8,12,18,26,36,48,62,80,104,136,180,192}}, /* 24000 Hz */ |
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349 { |
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350 {0,6,12,18,24,30,36,44,54,66,80,96,116,140,168,200,238,284,336,396,464,522,576}, |
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351 {0,4,8,12,18,26,36,48,62,80,104,134,174,192}}, /* 16000 Hz */ |
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352 { |
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353 /* MPEG-1 */ |
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354 {0,4,8,12,16,20,24,30,36,44,52,62,74,90,110,134,162,196,238,288,342,418,576}, |
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355 {0,4,8,12,16,22,30,40,52,66,84,106,136,192}}, /* 44100 Hz */ |
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356 { |
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357 {0,4,8,12,16,20,24,30,36,42,50,60,72,88,106,128,156,190,230,276,330,384,576}, |
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358 {0,4,8,12,16,22,28,38,50,64,80,100,126,192}}, /* 48000 Hz */ |
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359 { |
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360 {0,4,8,12,16,20,24,30,36,44,54,66,82,102,126,156,194,240,296,364,448,550,576}, |
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361 {0,4,8,12,16,22,30,42,58,78,104,138,180,192}}, /* 32000 Hz */ |
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362 { |
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363 /* MPEG-2.5 */ |
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364 {0,6,12,18,24,30,36,44,54,66,80,96,116,140,168,200,238,284,336,396,464,522,576}, |
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365 {0,4,8,12,18,26,36,48,62,80,104,134,174,192}}, /* 11025 Hz */ |
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366 { |
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367 {0,6,12,18,24,30,36,44,54,66,80,96,116,140,168,200,238,284,336,396,464,522,576}, |
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368 {0,4,8,12,18,26,36,48,62,80,104,134,174,192}}, /* 12000 Hz */ |
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369 { |
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370 {0,12,24,36,48,60,72,88,108,132,160,192,232,280,336,400,476,566,568,570,572,574,576}, |
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371 {0,8,16,24,36,52,72,96,124,160,162,164,166,192}}}; /* 8000 Hz */ |
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372 |
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373 /* Frame length of each sampling frequency. */ |
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374 const int32 framelength[6] = {26, 24, 36, 52, 48, 72}; |
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375 |
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376 const int32 s_freq[3][4] = { {22050, 24000, 16000, 0}, {44100L, 48000L, 32000, 0}, |
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377 {11025, 12000, 8000, 0}}; |
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378 |
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379 const int16 bitrate[2][15] = { |
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380 /* Bit rates for MPEG-2 LSF. */ |
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381 { 0, 8, 16, 24, 32, 40, 48, 56, 64, 80, 96, 112, 128, 144, 160}, |
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382 /* Bit rates for MPEG-1. */ |
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383 { 0, 32, 40, 48, 56, 64, 80, 96, 112, 128, 160, 192, 224, 256, 320} |
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384 }; |
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385 |
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386 |
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387 |
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388 #endif |