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

}