diff amrconv/amr122bits.c @ 184:b092a510141e

tree reorg: move gsm-amr2efr & gsm-efr2amr to amrconv subdir
author Mychaela Falconia <falcon@freecalypso.org>
date Tue, 03 Jan 2023 02:33:45 +0000
parents miscutil/amr122bits.c@d86f866489e9
children
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line diff
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/amrconv/amr122bits.c	Tue Jan 03 02:33:45 2023 +0000
@@ -0,0 +1,36 @@
+/*
+ * This C module provides the bit reordering table to be used for conversion
+ * between EFR in ETSI TS 101 318 representation and AMR 12k2 in RFC 4867
+ * or AMR IF1 representation, which is the table mapping from AMR IF1 bit
+ * order for 12k2 mode to the "natural" bit order of codec parameters.
+ */
+
+#include <stdint.h>
+
+const uint8_t amr_122_bit_order[244] = {
+    0,   1,   2,   3,   4,   5,   6,   7,   8,   9,
+   10,  11,  12,  13,  14,  23,  15,  16,  17,  18,
+   19,  20,  21,  22,  24,  25,  26,  27,  28,  38,
+  141,  39, 142,  40, 143,  41, 144,  42, 145,  43,
+  146,  44, 147,  45, 148,  46, 149,  47,  97, 150,
+  200,  48,  98, 151, 201,  49,  99, 152, 202,  86,
+  136, 189, 239,  87, 137, 190, 240,  88, 138, 191,
+  241,  91, 194,  92, 195,  93, 196,  94, 197,  95,
+  198,  29,  30,  31,  32,  33,  34,  35,  50, 100,
+  153, 203,  89, 139, 192, 242,  51, 101, 154, 204,
+   55, 105, 158, 208,  90, 140, 193, 243,  59, 109,
+  162, 212,  63, 113, 166, 216,  67, 117, 170, 220,
+   36,  37,  54,  53,  52,  58,  57,  56,  62,  61,
+   60,  66,  65,  64,  70,  69,  68, 104, 103, 102,
+  108, 107, 106, 112, 111, 110, 116, 115, 114, 120,
+  119, 118, 157, 156, 155, 161, 160, 159, 165, 164,
+  163, 169, 168, 167, 173, 172, 171, 207, 206, 205,
+  211, 210, 209, 215, 214, 213, 219, 218, 217, 223,
+  222, 221,  73,  72,  71,  76,  75,  74,  79,  78,
+   77,  82,  81,  80,  85,  84,  83, 123, 122, 121,
+  126, 125, 124, 129, 128, 127, 132, 131, 130, 135,
+  134, 133, 176, 175, 174, 179, 178, 177, 182, 181,
+  180, 185, 184, 183, 188, 187, 186, 226, 225, 224,
+  229, 228, 227, 232, 231, 230, 235, 234, 233, 238,
+  237, 236,  96, 199						
+};