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