1 files changed, 83 insertions, 0 deletions
diff --git a/kernel/framework/audio/ulaw.h b/kernel/framework/audio/ulaw.h
new file mode 100644
index 0000000..d8b22ac
--- /dev/null
+++ b/kernel/framework/audio/ulaw.h
@@ -0,0 +1,83 @@
+/*
+ * Purpose: u-Law to and from 8 bit unsigned linear audio conversion tables
+ */
+/*
+ *
+ * This file is part of Open Sound System.
+ *
+ * Copyright (C) 4Front Technologies 1996-2008.
+ *
+ * This this source file is released under GPL v2 license (no other versions).
+ * See the COPYING file included in the main directory of this source
+ * distribution for the license terms and conditions.
+ *
+ */
+static unsigned char ulaw_dsp[] = {
+  3, 7, 11, 15, 19, 23, 27, 31,
+  35, 39, 43, 47, 51, 55, 59, 63,
+  66, 68, 70, 72, 74, 76, 78, 80,
+  82, 84, 86, 88, 90, 92, 94, 96,
+  98, 99, 100, 101, 102, 103, 104, 105,
+  106, 107, 108, 109, 110, 111, 112, 113,
+  113, 114, 114, 115, 115, 116, 116, 117,
+  117, 118, 118, 119, 119, 120, 120, 121,
+  121, 121, 122, 122, 122, 122, 123, 123,
+  123, 123, 124, 124, 124, 124, 125, 125,
+  125, 125, 125, 125, 126, 126, 126, 126,
+  126, 126, 126, 126, 127, 127, 127, 127,
+  127, 127, 127, 127, 127, 127, 127, 127,
+  128, 128, 128, 128, 128, 128, 128, 128,
+  128, 128, 128, 128, 128, 128, 128, 128,
+  128, 128, 128, 128, 128, 128, 128, 128,
+  253, 249, 245, 241, 237, 233, 229, 225,
+  221, 217, 213, 209, 205, 201, 197, 193,
+  190, 188, 186, 184, 182, 180, 178, 176,
+  174, 172, 170, 168, 166, 164, 162, 160,
+  158, 157, 156, 155, 154, 153, 152, 151,
+  150, 149, 148, 147, 146, 145, 144, 143,
+  143, 142, 142, 141, 141, 140, 140, 139,
+  139, 138, 138, 137, 137, 136, 136, 135,
+  135, 135, 134, 134, 134, 134, 133, 133,
+  133, 133, 132, 132, 132, 132, 131, 131,
+  131, 131, 131, 131, 130, 130, 130, 130,
+  130, 130, 130, 130, 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,
+  128, 128, 128, 128, 128, 128, 128, 128,
+};
+
+static unsigned char dsp_ulaw[] = {
+  0, 0, 0, 0, 0, 1, 1, 1,
+  1, 2, 2, 2, 2, 3, 3, 3,
+  3, 4, 4, 4, 4, 5, 5, 5,
+  5, 6, 6, 6, 6, 7, 7, 7,
+  7, 8, 8, 8, 8, 9, 9, 9,
+  9, 10, 10, 10, 10, 11, 11, 11,
+  11, 12, 12, 12, 12, 13, 13, 13,
+  13, 14, 14, 14, 14, 15, 15, 15,
+  15, 16, 16, 17, 17, 18, 18, 19,
+  19, 20, 20, 21, 21, 22, 22, 23,
+  23, 24, 24, 25, 25, 26, 26, 27,
+  27, 28, 28, 29, 29, 30, 30, 31,
+  31, 32, 33, 34, 35, 36, 37, 38,
+  39, 40, 41, 42, 43, 44, 45, 46,
+  47, 49, 51, 53, 55, 57, 59, 61,
+  63, 66, 70, 74, 78, 84, 92, 104,
+  254, 231, 219, 211, 205, 201, 197, 193,
+  190, 188, 186, 184, 182, 180, 178, 176,
+  175, 174, 173, 172, 171, 170, 169, 168,
+  167, 166, 165, 164, 163, 162, 161, 160,
+  159, 159, 158, 158, 157, 157, 156, 156,
+  155, 155, 154, 154, 153, 153, 152, 152,
+  151, 151, 150, 150, 149, 149, 148, 148,
+  147, 147, 146, 146, 145, 145, 144, 144,
+  143, 143, 143, 143, 142, 142, 142, 142,
+  141, 141, 141, 141, 140, 140, 140, 140,
+  139, 139, 139, 139, 138, 138, 138, 138,
+  137, 137, 137, 137, 136, 136, 136, 136,
+  135, 135, 135, 135, 134, 134, 134, 134,
+  133, 133, 133, 133, 132, 132, 132, 132,
+  131, 131, 131, 131, 130, 130, 130, 130,
+  129, 129, 129, 129, 128, 128, 128, 128,
+};