src/org/sipdroid/media/codecs/G711.java
changeset 823 2036ebfaccda
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/org/sipdroid/media/codecs/G711.java	Fri Nov 20 19:29:42 2009 +0100
@@ -0,0 +1,393 @@
+package org.sipdroid.media.codecs;
+
+/**
+ * G.711 codec. This class provides methods for u-law, A-law and linear PCM
+ * conversions.
+ */
+public class G711 extends Codec {
+	/*
+	 * 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.
+	 */
+	public static final CodecInfo mCodecInfo = new CodecInfo();
+	
+	static {
+		mCodecInfo.displayName = "aLaw";		
+		mCodecInfo.rtpPayloadName = "PCMA";
+		mCodecInfo.description = "G711 aLaw codec";
+		mCodecInfo.rtpPayloadCode = 8;
+		mCodecInfo.samplingRate = 8000;
+		mCodecInfo.rtpSampleDivider = 1;
+		mCodecInfo.minFrameTimeMsecs = 20;
+		mCodecInfo.codecFrameSize = 160;
+		CodecManager.registerAudioCodec(new G711());
+	}
+	
+	private 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
+
+	};
+
+	private 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
+	};
+	
+	
+	public class G711Context extends Context {
+		public final short[] a2s = new short[256];
+		public final byte[] s2a = new byte[65536];
+	}
+	
+	public void init(G711Context ctx) {
+ 		int i;
+		for (i = 0; i < 256; i++)
+			ctx.a2s[i] = (short)_a2s[i];
+		for (i = 0; i < 65536; i++)
+			ctx.s2a[i] = (byte)_s2a[i >> 4];
+	}
+
+	private void alaw2linear(G711Context ctx, byte alaw[], int inoffset, int size, short lin[], int outoffset) {
+		int i;
+		for (i = 0; i < size; i++)
+			lin[i + outoffset] = ctx.a2s[alaw[i + inoffset] & 0xff];
+	}
+	
+	private void linear2alaw(G711Context ctx, short lin[], int inoffset, byte alaw[], int outoffset, int size) {
+		int i;
+		for (i = 0; i < size; i++)
+			alaw[i + outoffset] = ctx.s2a[lin[i + inoffset] & 0xffff];
+	}
+	
+	@Override
+	public Context initDecoder() {
+		G711Context ctx = new G711Context();
+		init(ctx);
+		return ctx;
+	}
+
+	@Override
+	public Context initEncoder() {
+		G711Context ctx = new G711Context();
+		init(ctx);
+		return ctx;
+	}
+
+	@Override
+	public void cleanDecoder(Context ctx) {
+	}
+
+	@Override
+	public void cleanEncoder(Context ctx) {
+	}
+
+	@Override
+	public int decode(Context ctx, byte[] indata, int inoffset, int size,
+			short[] outsample, int outoffset) {
+		alaw2linear((G711Context) ctx, indata, inoffset, size, outsample, outoffset);
+		return size;
+	}
+
+	@Override
+	public int encode(Context ctx, short[] insample, int inoffset, int size,
+			byte[] outdata, int outoffset) {
+		linear2alaw((G711Context) ctx, insample, inoffset, outdata, outoffset, size);
+		return 0;
+	}
+
+	@Override
+	public CodecInfo getInfo() {		
+		return mCodecInfo;
+	}
+	
+	static public void load(){
+	}
+}