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1 package src.org.sipdroid.media; |
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2 |
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3 /** |
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4 * G.711 codec. This class provides methods for u-law, A-law and linear PCM |
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5 * conversions. |
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6 */ |
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7 public class G711 { |
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8 /* |
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9 * Copyright 1992 by Jutta Degener and Carsten Bormann, Technische |
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10 * Universitaet Berlin. See the accompanying file "COPYRIGHT" for |
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11 * details. THERE IS ABSOLUTELY NO WARRANTY FOR THIS SOFTWARE. |
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12 */ |
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13 |
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14 static final short[] a2s = new short[256]; |
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15 static final int[] _a2s = { |
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16 |
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17 60032, 60288, 59520, 59776, 61056, 61312, 60544, 60800, |
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18 57984, 58240, 57472, 57728, 59008, 59264, 58496, 58752, |
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19 62784, 62912, 62528, 62656, 63296, 63424, 63040, 63168, |
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20 61760, 61888, 61504, 61632, 62272, 62400, 62016, 62144, |
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21 43520, 44544, 41472, 42496, 47616, 48640, 45568, 46592, |
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22 35328, 36352, 33280, 34304, 39424, 40448, 37376, 38400, |
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23 54528, 55040, 53504, 54016, 56576, 57088, 55552, 56064, |
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24 50432, 50944, 49408, 49920, 52480, 52992, 51456, 51968, |
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25 65192, 65208, 65160, 65176, 65256, 65272, 65224, 65240, |
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26 65064, 65080, 65032, 65048, 65128, 65144, 65096, 65112, |
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27 65448, 65464, 65416, 65432, 65512, 65528, 65480, 65496, |
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28 65320, 65336, 65288, 65304, 65384, 65400, 65352, 65368, |
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29 64160, 64224, 64032, 64096, 64416, 64480, 64288, 64352, |
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30 63648, 63712, 63520, 63584, 63904, 63968, 63776, 63840, |
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31 64848, 64880, 64784, 64816, 64976, 65008, 64912, 64944, |
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32 64592, 64624, 64528, 64560, 64720, 64752, 64656, 64688, |
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33 5504, 5248, 6016, 5760, 4480, 4224, 4992, 4736, |
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34 7552, 7296, 8064, 7808, 6528, 6272, 7040, 6784, |
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35 2752, 2624, 3008, 2880, 2240, 2112, 2496, 2368, |
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36 3776, 3648, 4032, 3904, 3264, 3136, 3520, 3392, |
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37 22016, 20992, 24064, 23040, 17920, 16896, 19968, 18944, |
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38 30208, 29184, 32256, 31232, 26112, 25088, 28160, 27136, |
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39 11008, 10496, 12032, 11520, 8960, 8448, 9984, 9472, |
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40 15104, 14592, 16128, 15616, 13056, 12544, 14080, 13568, |
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41 344, 328, 376, 360, 280, 264, 312, 296, |
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42 472, 456, 504, 488, 408, 392, 440, 424, |
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43 88, 72, 120, 104, 24, 8, 56, 40, |
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44 216, 200, 248, 232, 152, 136, 184, 168, |
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45 1376, 1312, 1504, 1440, 1120, 1056, 1248, 1184, |
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46 1888, 1824, 2016, 1952, 1632, 1568, 1760, 1696, |
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47 688, 656, 752, 720, 560, 528, 624, 592, |
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48 944, 912, 1008, 976, 816, 784, 880, 848 |
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49 |
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50 }; |
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51 |
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52 static final byte[] s2a = new byte[65536]; |
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53 static final int[] _s2a = { |
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54 |
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55 213,212,215,214,209,208,211,210,221,220,223,222,217,216,219,218, |
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56 197,196,199,198,193,192,195,194,205,204,207,206,201,200,203,202, |
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57 245,245,244,244,247,247,246,246,241,241,240,240,243,243,242,242, |
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58 253,253,252,252,255,255,254,254,249,249,248,248,251,251,250,250, |
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59 229,229,229,229,228,228,228,228,231,231,231,231,230,230,230,230, |
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60 225,225,225,225,224,224,224,224,227,227,227,227,226,226,226,226, |
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61 237,237,237,237,236,236,236,236,239,239,239,239,238,238,238,238, |
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62 233,233,233,233,232,232,232,232,235,235,235,235,234,234,234,234, |
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63 149,149,149,149,149,149,149,149,148,148,148,148,148,148,148,148, |
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64 151,151,151,151,151,151,151,151,150,150,150,150,150,150,150,150, |
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65 145,145,145,145,145,145,145,145,144,144,144,144,144,144,144,144, |
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66 147,147,147,147,147,147,147,147,146,146,146,146,146,146,146,146, |
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67 157,157,157,157,157,157,157,157,156,156,156,156,156,156,156,156, |
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68 159,159,159,159,159,159,159,159,158,158,158,158,158,158,158,158, |
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69 153,153,153,153,153,153,153,153,152,152,152,152,152,152,152,152, |
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70 155,155,155,155,155,155,155,155,154,154,154,154,154,154,154,154, |
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71 133,133,133,133,133,133,133,133,133,133,133,133,133,133,133,133, |
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72 132,132,132,132,132,132,132,132,132,132,132,132,132,132,132,132, |
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73 135,135,135,135,135,135,135,135,135,135,135,135,135,135,135,135, |
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74 134,134,134,134,134,134,134,134,134,134,134,134,134,134,134,134, |
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75 129,129,129,129,129,129,129,129,129,129,129,129,129,129,129,129, |
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76 128,128,128,128,128,128,128,128,128,128,128,128,128,128,128,128, |
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77 131,131,131,131,131,131,131,131,131,131,131,131,131,131,131,131, |
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78 130,130,130,130,130,130,130,130,130,130,130,130,130,130,130,130, |
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79 141,141,141,141,141,141,141,141,141,141,141,141,141,141,141,141, |
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80 140,140,140,140,140,140,140,140,140,140,140,140,140,140,140,140, |
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81 143,143,143,143,143,143,143,143,143,143,143,143,143,143,143,143, |
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82 142,142,142,142,142,142,142,142,142,142,142,142,142,142,142,142, |
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83 137,137,137,137,137,137,137,137,137,137,137,137,137,137,137,137, |
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84 136,136,136,136,136,136,136,136,136,136,136,136,136,136,136,136, |
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85 139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, |
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86 138,138,138,138,138,138,138,138,138,138,138,138,138,138,138,138, |
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87 181,181,181,181,181,181,181,181,181,181,181,181,181,181,181,181, |
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88 181,181,181,181,181,181,181,181,181,181,181,181,181,181,181,181, |
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89 180,180,180,180,180,180,180,180,180,180,180,180,180,180,180,180, |
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90 180,180,180,180,180,180,180,180,180,180,180,180,180,180,180,180, |
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91 183,183,183,183,183,183,183,183,183,183,183,183,183,183,183,183, |
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92 183,183,183,183,183,183,183,183,183,183,183,183,183,183,183,183, |
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93 182,182,182,182,182,182,182,182,182,182,182,182,182,182,182,182, |
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94 182,182,182,182,182,182,182,182,182,182,182,182,182,182,182,182, |
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95 177,177,177,177,177,177,177,177,177,177,177,177,177,177,177,177, |
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96 177,177,177,177,177,177,177,177,177,177,177,177,177,177,177,177, |
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97 176,176,176,176,176,176,176,176,176,176,176,176,176,176,176,176, |
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98 176,176,176,176,176,176,176,176,176,176,176,176,176,176,176,176, |
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99 179,179,179,179,179,179,179,179,179,179,179,179,179,179,179,179, |
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100 179,179,179,179,179,179,179,179,179,179,179,179,179,179,179,179, |
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101 178,178,178,178,178,178,178,178,178,178,178,178,178,178,178,178, |
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102 178,178,178,178,178,178,178,178,178,178,178,178,178,178,178,178, |
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103 189,189,189,189,189,189,189,189,189,189,189,189,189,189,189,189, |
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104 189,189,189,189,189,189,189,189,189,189,189,189,189,189,189,189, |
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105 188,188,188,188,188,188,188,188,188,188,188,188,188,188,188,188, |
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106 188,188,188,188,188,188,188,188,188,188,188,188,188,188,188,188, |
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107 191,191,191,191,191,191,191,191,191,191,191,191,191,191,191,191, |
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108 191,191,191,191,191,191,191,191,191,191,191,191,191,191,191,191, |
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109 190,190,190,190,190,190,190,190,190,190,190,190,190,190,190,190, |
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110 190,190,190,190,190,190,190,190,190,190,190,190,190,190,190,190, |
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111 185,185,185,185,185,185,185,185,185,185,185,185,185,185,185,185, |
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112 185,185,185,185,185,185,185,185,185,185,185,185,185,185,185,185, |
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113 184,184,184,184,184,184,184,184,184,184,184,184,184,184,184,184, |
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114 184,184,184,184,184,184,184,184,184,184,184,184,184,184,184,184, |
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115 187,187,187,187,187,187,187,187,187,187,187,187,187,187,187,187, |
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116 187,187,187,187,187,187,187,187,187,187,187,187,187,187,187,187, |
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117 186,186,186,186,186,186,186,186,186,186,186,186,186,186,186,186, |
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118 186,186,186,186,186,186,186,186,186,186,186,186,186,186,186,186, |
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119 165,165,165,165,165,165,165,165,165,165,165,165,165,165,165,165, |
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120 165,165,165,165,165,165,165,165,165,165,165,165,165,165,165,165, |
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121 165,165,165,165,165,165,165,165,165,165,165,165,165,165,165,165, |
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122 165,165,165,165,165,165,165,165,165,165,165,165,165,165,165,165, |
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123 164,164,164,164,164,164,164,164,164,164,164,164,164,164,164,164, |
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124 164,164,164,164,164,164,164,164,164,164,164,164,164,164,164,164, |
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125 164,164,164,164,164,164,164,164,164,164,164,164,164,164,164,164, |
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126 164,164,164,164,164,164,164,164,164,164,164,164,164,164,164,164, |
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127 167,167,167,167,167,167,167,167,167,167,167,167,167,167,167,167, |
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128 167,167,167,167,167,167,167,167,167,167,167,167,167,167,167,167, |
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129 167,167,167,167,167,167,167,167,167,167,167,167,167,167,167,167, |
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130 167,167,167,167,167,167,167,167,167,167,167,167,167,167,167,167, |
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131 166,166,166,166,166,166,166,166,166,166,166,166,166,166,166,166, |
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132 166,166,166,166,166,166,166,166,166,166,166,166,166,166,166,166, |
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133 166,166,166,166,166,166,166,166,166,166,166,166,166,166,166,166, |
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134 166,166,166,166,166,166,166,166,166,166,166,166,166,166,166,166, |
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135 161,161,161,161,161,161,161,161,161,161,161,161,161,161,161,161, |
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136 161,161,161,161,161,161,161,161,161,161,161,161,161,161,161,161, |
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137 161,161,161,161,161,161,161,161,161,161,161,161,161,161,161,161, |
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138 161,161,161,161,161,161,161,161,161,161,161,161,161,161,161,161, |
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139 160,160,160,160,160,160,160,160,160,160,160,160,160,160,160,160, |
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140 160,160,160,160,160,160,160,160,160,160,160,160,160,160,160,160, |
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141 160,160,160,160,160,160,160,160,160,160,160,160,160,160,160,160, |
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142 160,160,160,160,160,160,160,160,160,160,160,160,160,160,160,160, |
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143 163,163,163,163,163,163,163,163,163,163,163,163,163,163,163,163, |
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144 163,163,163,163,163,163,163,163,163,163,163,163,163,163,163,163, |
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145 163,163,163,163,163,163,163,163,163,163,163,163,163,163,163,163, |
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146 163,163,163,163,163,163,163,163,163,163,163,163,163,163,163,163, |
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147 162,162,162,162,162,162,162,162,162,162,162,162,162,162,162,162, |
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148 162,162,162,162,162,162,162,162,162,162,162,162,162,162,162,162, |
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149 162,162,162,162,162,162,162,162,162,162,162,162,162,162,162,162, |
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150 162,162,162,162,162,162,162,162,162,162,162,162,162,162,162,162, |
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151 173,173,173,173,173,173,173,173,173,173,173,173,173,173,173,173, |
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152 173,173,173,173,173,173,173,173,173,173,173,173,173,173,173,173, |
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153 173,173,173,173,173,173,173,173,173,173,173,173,173,173,173,173, |
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154 173,173,173,173,173,173,173,173,173,173,173,173,173,173,173,173, |
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155 172,172,172,172,172,172,172,172,172,172,172,172,172,172,172,172, |
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156 172,172,172,172,172,172,172,172,172,172,172,172,172,172,172,172, |
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157 172,172,172,172,172,172,172,172,172,172,172,172,172,172,172,172, |
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158 172,172,172,172,172,172,172,172,172,172,172,172,172,172,172,172, |
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159 175,175,175,175,175,175,175,175,175,175,175,175,175,175,175,175, |
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160 175,175,175,175,175,175,175,175,175,175,175,175,175,175,175,175, |
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161 175,175,175,175,175,175,175,175,175,175,175,175,175,175,175,175, |
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162 175,175,175,175,175,175,175,175,175,175,175,175,175,175,175,175, |
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163 174,174,174,174,174,174,174,174,174,174,174,174,174,174,174,174, |
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164 174,174,174,174,174,174,174,174,174,174,174,174,174,174,174,174, |
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165 174,174,174,174,174,174,174,174,174,174,174,174,174,174,174,174, |
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166 174,174,174,174,174,174,174,174,174,174,174,174,174,174,174,174, |
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167 169,169,169,169,169,169,169,169,169,169,169,169,169,169,169,169, |
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168 169,169,169,169,169,169,169,169,169,169,169,169,169,169,169,169, |
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169 169,169,169,169,169,169,169,169,169,169,169,169,169,169,169,169, |
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170 169,169,169,169,169,169,169,169,169,169,169,169,169,169,169,169, |
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171 168,168,168,168,168,168,168,168,168,168,168,168,168,168,168,168, |
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172 168,168,168,168,168,168,168,168,168,168,168,168,168,168,168,168, |
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173 168,168,168,168,168,168,168,168,168,168,168,168,168,168,168,168, |
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174 168,168,168,168,168,168,168,168,168,168,168,168,168,168,168,168, |
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175 171,171,171,171,171,171,171,171,171,171,171,171,171,171,171,171, |
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176 171,171,171,171,171,171,171,171,171,171,171,171,171,171,171,171, |
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177 171,171,171,171,171,171,171,171,171,171,171,171,171,171,171,171, |
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178 171,171,171,171,171,171,171,171,171,171,171,171,171,171,171,171, |
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179 170,170,170,170,170,170,170,170,170,170,170,170,170,170,170,170, |
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180 170,170,170,170,170,170,170,170,170,170,170,170,170,170,170,170, |
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181 170,170,170,170,170,170,170,170,170,170,170,170,170,170,170,170, |
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182 170,170,170,170,170,170,170,170,170,170,170,170,170,170,170,170, |
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183 42, 42, 42, 42, 42, 42, 42, 42, 42, 42, 42, 42, 42, 42, 42, 42, |
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184 42, 42, 42, 42, 42, 42, 42, 42, 42, 42, 42, 42, 42, 42, 42, 42, |
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185 42, 42, 42, 42, 42, 42, 42, 42, 42, 42, 42, 42, 42, 42, 42, 42, |
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186 42, 42, 42, 42, 42, 42, 42, 42, 42, 42, 42, 42, 42, 42, 42, 42, |
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187 43, 43, 43, 43, 43, 43, 43, 43, 43, 43, 43, 43, 43, 43, 43, 43, |
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188 43, 43, 43, 43, 43, 43, 43, 43, 43, 43, 43, 43, 43, 43, 43, 43, |
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189 43, 43, 43, 43, 43, 43, 43, 43, 43, 43, 43, 43, 43, 43, 43, 43, |
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190 43, 43, 43, 43, 43, 43, 43, 43, 43, 43, 43, 43, 43, 43, 43, 43, |
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191 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, |
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192 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, |
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193 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, |
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194 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, |
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195 41, 41, 41, 41, 41, 41, 41, 41, 41, 41, 41, 41, 41, 41, 41, 41, |
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196 41, 41, 41, 41, 41, 41, 41, 41, 41, 41, 41, 41, 41, 41, 41, 41, |
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197 41, 41, 41, 41, 41, 41, 41, 41, 41, 41, 41, 41, 41, 41, 41, 41, |
|
198 41, 41, 41, 41, 41, 41, 41, 41, 41, 41, 41, 41, 41, 41, 41, 41, |
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199 46, 46, 46, 46, 46, 46, 46, 46, 46, 46, 46, 46, 46, 46, 46, 46, |
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200 46, 46, 46, 46, 46, 46, 46, 46, 46, 46, 46, 46, 46, 46, 46, 46, |
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201 46, 46, 46, 46, 46, 46, 46, 46, 46, 46, 46, 46, 46, 46, 46, 46, |
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202 46, 46, 46, 46, 46, 46, 46, 46, 46, 46, 46, 46, 46, 46, 46, 46, |
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203 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, |
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204 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, |
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205 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, |
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206 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, |
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207 44, 44, 44, 44, 44, 44, 44, 44, 44, 44, 44, 44, 44, 44, 44, 44, |
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208 44, 44, 44, 44, 44, 44, 44, 44, 44, 44, 44, 44, 44, 44, 44, 44, |
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209 44, 44, 44, 44, 44, 44, 44, 44, 44, 44, 44, 44, 44, 44, 44, 44, |
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210 44, 44, 44, 44, 44, 44, 44, 44, 44, 44, 44, 44, 44, 44, 44, 44, |
|
211 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, |
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212 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, |
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213 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, |
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214 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, |
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215 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, |
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216 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, |
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217 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, |
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218 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, |
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219 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, |
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220 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, |
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221 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, |
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222 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, |
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223 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, |
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224 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, |
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225 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, |
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226 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, |
|
227 33, 33, 33, 33, 33, 33, 33, 33, 33, 33, 33, 33, 33, 33, 33, 33, |
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228 33, 33, 33, 33, 33, 33, 33, 33, 33, 33, 33, 33, 33, 33, 33, 33, |
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229 33, 33, 33, 33, 33, 33, 33, 33, 33, 33, 33, 33, 33, 33, 33, 33, |
|
230 33, 33, 33, 33, 33, 33, 33, 33, 33, 33, 33, 33, 33, 33, 33, 33, |
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231 38, 38, 38, 38, 38, 38, 38, 38, 38, 38, 38, 38, 38, 38, 38, 38, |
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232 38, 38, 38, 38, 38, 38, 38, 38, 38, 38, 38, 38, 38, 38, 38, 38, |
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233 38, 38, 38, 38, 38, 38, 38, 38, 38, 38, 38, 38, 38, 38, 38, 38, |
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234 38, 38, 38, 38, 38, 38, 38, 38, 38, 38, 38, 38, 38, 38, 38, 38, |
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235 39, 39, 39, 39, 39, 39, 39, 39, 39, 39, 39, 39, 39, 39, 39, 39, |
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236 39, 39, 39, 39, 39, 39, 39, 39, 39, 39, 39, 39, 39, 39, 39, 39, |
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237 39, 39, 39, 39, 39, 39, 39, 39, 39, 39, 39, 39, 39, 39, 39, 39, |
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238 39, 39, 39, 39, 39, 39, 39, 39, 39, 39, 39, 39, 39, 39, 39, 39, |
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239 36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 36, |
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240 36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 36, |
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241 36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 36, |
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242 36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 36, |
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243 37, 37, 37, 37, 37, 37, 37, 37, 37, 37, 37, 37, 37, 37, 37, 37, |
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244 37, 37, 37, 37, 37, 37, 37, 37, 37, 37, 37, 37, 37, 37, 37, 37, |
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245 37, 37, 37, 37, 37, 37, 37, 37, 37, 37, 37, 37, 37, 37, 37, 37, |
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246 37, 37, 37, 37, 37, 37, 37, 37, 37, 37, 37, 37, 37, 37, 37, 37, |
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247 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, |
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248 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, |
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249 59, 59, 59, 59, 59, 59, 59, 59, 59, 59, 59, 59, 59, 59, 59, 59, |
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250 59, 59, 59, 59, 59, 59, 59, 59, 59, 59, 59, 59, 59, 59, 59, 59, |
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251 56, 56, 56, 56, 56, 56, 56, 56, 56, 56, 56, 56, 56, 56, 56, 56, |
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252 56, 56, 56, 56, 56, 56, 56, 56, 56, 56, 56, 56, 56, 56, 56, 56, |
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253 57, 57, 57, 57, 57, 57, 57, 57, 57, 57, 57, 57, 57, 57, 57, 57, |
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254 57, 57, 57, 57, 57, 57, 57, 57, 57, 57, 57, 57, 57, 57, 57, 57, |
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255 62, 62, 62, 62, 62, 62, 62, 62, 62, 62, 62, 62, 62, 62, 62, 62, |
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256 62, 62, 62, 62, 62, 62, 62, 62, 62, 62, 62, 62, 62, 62, 62, 62, |
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257 63, 63, 63, 63, 63, 63, 63, 63, 63, 63, 63, 63, 63, 63, 63, 63, |
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258 63, 63, 63, 63, 63, 63, 63, 63, 63, 63, 63, 63, 63, 63, 63, 63, |
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259 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, |
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260 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, |
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261 61, 61, 61, 61, 61, 61, 61, 61, 61, 61, 61, 61, 61, 61, 61, 61, |
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262 61, 61, 61, 61, 61, 61, 61, 61, 61, 61, 61, 61, 61, 61, 61, 61, |
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263 50, 50, 50, 50, 50, 50, 50, 50, 50, 50, 50, 50, 50, 50, 50, 50, |
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264 50, 50, 50, 50, 50, 50, 50, 50, 50, 50, 50, 50, 50, 50, 50, 50, |
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265 51, 51, 51, 51, 51, 51, 51, 51, 51, 51, 51, 51, 51, 51, 51, 51, |
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266 51, 51, 51, 51, 51, 51, 51, 51, 51, 51, 51, 51, 51, 51, 51, 51, |
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267 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, |
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268 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, |
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269 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, |
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270 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, |
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271 54, 54, 54, 54, 54, 54, 54, 54, 54, 54, 54, 54, 54, 54, 54, 54, |
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272 54, 54, 54, 54, 54, 54, 54, 54, 54, 54, 54, 54, 54, 54, 54, 54, |
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273 55, 55, 55, 55, 55, 55, 55, 55, 55, 55, 55, 55, 55, 55, 55, 55, |
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274 55, 55, 55, 55, 55, 55, 55, 55, 55, 55, 55, 55, 55, 55, 55, 55, |
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275 52, 52, 52, 52, 52, 52, 52, 52, 52, 52, 52, 52, 52, 52, 52, 52, |
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276 52, 52, 52, 52, 52, 52, 52, 52, 52, 52, 52, 52, 52, 52, 52, 52, |
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277 53, 53, 53, 53, 53, 53, 53, 53, 53, 53, 53, 53, 53, 53, 53, 53, |
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278 53, 53, 53, 53, 53, 53, 53, 53, 53, 53, 53, 53, 53, 53, 53, 53, |
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279 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, |
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280 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, |
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281 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, |
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282 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, |
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283 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, |
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284 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, |
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285 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, |
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286 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, |
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287 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, |
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288 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, |
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289 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, |
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290 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, |
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291 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, |
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292 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, |
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293 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, |
|
294 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, |
|
295 26, 26, 26, 26, 26, 26, 26, 26, 27, 27, 27, 27, 27, 27, 27, 27, |
|
296 24, 24, 24, 24, 24, 24, 24, 24, 25, 25, 25, 25, 25, 25, 25, 25, |
|
297 30, 30, 30, 30, 30, 30, 30, 30, 31, 31, 31, 31, 31, 31, 31, 31, |
|
298 28, 28, 28, 28, 28, 28, 28, 28, 29, 29, 29, 29, 29, 29, 29, 29, |
|
299 18, 18, 18, 18, 18, 18, 18, 18, 19, 19, 19, 19, 19, 19, 19, 19, |
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300 16, 16, 16, 16, 16, 16, 16, 16, 17, 17, 17, 17, 17, 17, 17, 17, |
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301 22, 22, 22, 22, 22, 22, 22, 22, 23, 23, 23, 23, 23, 23, 23, 23, |
|
302 20, 20, 20, 20, 20, 20, 20, 20, 21, 21, 21, 21, 21, 21, 21, 21, |
|
303 106,106,106,106,107,107,107,107,104,104,104,104,105,105,105,105, |
|
304 110,110,110,110,111,111,111,111,108,108,108,108,109,109,109,109, |
|
305 98, 98, 98, 98, 99, 99, 99, 99, 96, 96, 96, 96, 97, 97, 97, 97, |
|
306 102,102,102,102,103,103,103,103,100,100,100,100,101,101,101,101, |
|
307 122,122,123,123,120,120,121,121,126,126,127,127,124,124,125,125, |
|
308 114,114,115,115,112,112,113,113,118,118,119,119,116,116,117,117, |
|
309 74, 75, 72, 73, 78, 79, 76, 77, 66, 67, 64, 65, 70, 71, 68, 69, |
|
310 90, 91, 88, 89, 94, 95, 92, 93, 82, 83, 80, 81, 86, 87, 84, 85 |
|
311 }; |
|
312 |
|
313 //change G711 ulaw start |
|
314 static final int _u2a[] = { /* u- to A-law conversions */ |
|
315 1, 1, 2, 2, 3, 3, 4, 4, |
|
316 5, 5, 6, 6, 7, 7, 8, 8, |
|
317 9, 10, 11, 12, 13, 14, 15, 16, |
|
318 17, 18, 19, 20, 21, 22, 23, 24, |
|
319 25, 27, 29, 31, 33, 34, 35, 36, |
|
320 37, 38, 39, 40, 41, 42, 43, 44, |
|
321 46, 48, 49, 50, 51, 52, 53, 54, |
|
322 55, 56, 57, 58, 59, 60, 61, 62, |
|
323 64, 65, 66, 67, 68, 69, 70, 71, |
|
324 72, 73, 74, 75, 76, 77, 78, 79, |
|
325 81, 82, 83, 84, 85, 86, 87, 88, |
|
326 89, 90, 91, 92, 93, 94, 95, 96, |
|
327 97, 98, 99, 100, 101, 102, 103, 104, |
|
328 105, 106, 107, 108, 109, 110, 111, 112, |
|
329 113, 114, 115, 116, 117, 118, 119, 120, |
|
330 121, 122, 123, 124, 125, 126, 127, 128}; |
|
331 |
|
332 static final int _a2u[] = { /* A- to u-law conversions */ |
|
333 1, 3, 5, 7, 9, 11, 13, 15, |
|
334 16, 17, 18, 19, 20, 21, 22, 23, |
|
335 24, 25, 26, 27, 28, 29, 30, 31, |
|
336 32, 32, 33, 33, 34, 34, 35, 35, |
|
337 36, 37, 38, 39, 40, 41, 42, 43, |
|
338 44, 45, 46, 47, 48, 48, 49, 49, |
|
339 50, 51, 52, 53, 54, 55, 56, 57, |
|
340 58, 59, 60, 61, 62, 63, 64, 64, |
|
341 65, 66, 67, 68, 69, 70, 71, 72, |
|
342 73, 74, 75, 76, 77, 78, 79, 80, |
|
343 80, 81, 82, 83, 84, 85, 86, 87, |
|
344 88, 89, 90, 91, 92, 93, 94, 95, |
|
345 96, 97, 98, 99, 100, 101, 102, 103, |
|
346 104, 105, 106, 107, 108, 109, 110, 111, |
|
347 112, 113, 114, 115, 116, 117, 118, 119, |
|
348 120, 121, 122, 123, 124, 125, 126, 127}; |
|
349 |
|
350 //change end |
|
351 |
|
352 public static void init() { |
|
353 } |
|
354 |
|
355 static { |
|
356 int i; |
|
357 for (i = 0; i < 256; i++) |
|
358 a2s[i] = (short)_a2s[i]; |
|
359 for (i = 0; i < 65536; i++) |
|
360 s2a[i] = (byte)_s2a[i >> 4]; |
|
361 } |
|
362 |
|
363 public static void alaw2linear(byte alaw[],short lin[],int frames) { |
|
364 int i; |
|
365 for (i = 0; i < frames; i++) |
|
366 lin[i] = a2s[alaw[i+12] & 0xff]; |
|
367 } |
|
368 |
|
369 public static void linear2alaw(short lin[],int offset,byte alaw[],int frames) { |
|
370 int i; |
|
371 for (i = 0; i < frames; i++) |
|
372 alaw[i+12] = s2a[lin[i+offset] & 0xffff]; |
|
373 } |
|
374 |
|
375 //change g711 ulaw start |
|
376 protected static int alaw2ulaw(int aval) |
|
377 { aval&=0xff; |
|
378 return ((aval & 0x80)!=0)? (0xFF^_a2u[aval^0xD5]) : (0x7F^_a2u[aval^0x55]); |
|
379 } |
|
380 |
|
381 protected static int ulaw2alaw(int uval) |
|
382 { uval&=0xff; |
|
383 return ((uval&0x80)!=0)? (0xD5^(_u2a[0xFF^uval]-1)) : (0x55^(_u2a[0x7F^uval]-1)); |
|
384 } |
|
385 |
|
386 public static void ulaw2linear(byte ulaw[],short lin[],int frames) { |
|
387 int i; |
|
388 for (i = 0; i < frames; i++) |
|
389 lin[i] = a2s[ulaw2alaw(ulaw[i+12] & 0xff)]; |
|
390 } |
|
391 public static void linear2ulaw(short lin[],int offset,byte ulaw[],int frames) { |
|
392 int i; |
|
393 for (i = 0; i < frames; i++) |
|
394 ulaw[i+12] = (byte)alaw2ulaw(s2a[lin[i+offset] & 0xffff]); |
|
395 } |
|
396 //change end |
|
397 } |