#include <stdlib.h>#include <stdio.h>#include <string.h>#include <assert.h>#include <inttypes.h>#include "g711.h"
Include dependency graph for g711.c:
Go to the source code of this file.
Functions | |
| uint8_t | alaw_to_ulaw (uint8_t alaw) |
| Transcode from A-law to u-law, using the procedure defined in G.711. More... | |
| uint8_t | ulaw_to_alaw (uint8_t ulaw) |
| Transcode from u-law to A-law, using the procedure defined in G.711. More... | |
Variables | |
| static const uint8_t | ulaw_to_alaw_table [256] |
| static const uint8_t | alaw_to_ulaw_table [256] |
Function Documentation
◆ alaw_to_ulaw()
| uint8_t alaw_to_ulaw | ( | uint8_t | alaw | ) |
Transcode from A-law to u-law, using the procedure defined in G.711.
- Parameters
-
alaw The A-law sample to transcode.
- Returns
- The best matching u-law value.
Definition at line 79 of file g711.c.
References alaw_to_ulaw_table.
Referenced by alaw_to_linear().
◆ ulaw_to_alaw()
| uint8_t ulaw_to_alaw | ( | uint8_t | ulaw | ) |
Transcode from u-law to A-law, using the procedure defined in G.711.
- Parameters
-
ulaw The u-law sample to transcode.
- Returns
- The best matching A-law value.
Definition at line 86 of file g711.c.
References ulaw_to_alaw_table.
Referenced by alaw_to_linear().
Variable Documentation
◆ alaw_to_ulaw_table
|
static |
Initial value:
= {
42, 43, 40, 41, 46, 47, 44, 45, 34, 35, 32, 33, 38, 39, 36, 37,
57, 58, 55, 56, 61, 62, 59, 60, 49, 50, 47, 48, 53, 54, 51, 52,
10, 11, 8, 9, 14, 15, 12, 13, 2, 3, 0, 1, 6, 7, 4, 5,
26, 27, 24, 25, 30, 31, 28, 29, 18, 19, 16, 17, 22, 23, 20, 21,
98, 99, 96, 97, 102, 103, 100, 101, 93, 93, 92, 92, 95, 95, 94, 94,
116, 118, 112, 114, 124, 126, 120, 122, 106, 107, 104, 105, 110, 111, 108, 109,
72, 73, 70, 71, 76, 77, 74, 75, 64, 65, 63, 63, 68, 69, 66, 67,
86, 87, 84, 85, 90, 91, 88, 89, 79, 79, 78, 78, 82, 83, 80, 81,
170, 171, 168, 169, 174, 175, 172, 173, 162, 163, 160, 161, 166, 167, 164, 165,
185, 186, 183, 184, 189, 190, 187, 188, 177, 178, 175, 176, 181, 182, 179, 180,
138, 139, 136, 137, 142, 143, 140, 141, 130, 131, 128, 129, 134, 135, 132, 133,
154, 155, 152, 153, 158, 159, 156, 157, 146, 147, 144, 145, 150, 151, 148, 149,
226, 227, 224, 225, 230, 231, 228, 229, 221, 221, 220, 220, 223, 223, 222, 222,
244, 246, 240, 242, 252, 254, 248, 250, 234, 235, 232, 233, 238, 239, 236, 237,
200, 201, 198, 199, 204, 205, 202, 203, 192, 193, 191, 191, 196, 197, 194, 195,
214, 215, 212, 213, 218, 219, 216, 217, 207, 207, 206, 206, 210, 211, 208, 209
}
Definition at line 60 of file g711.c.
Referenced by alaw_to_ulaw().
◆ ulaw_to_alaw_table
|
static |
Initial value:
= {
42, 43, 40, 41, 46, 47, 44, 45, 34, 35, 32, 33, 38, 39, 36, 37,
58, 59, 56, 57, 62, 63, 60, 61, 50, 51, 48, 49, 54, 55, 52, 53,
10, 11, 8, 9, 14, 15, 12, 13, 2, 3, 0, 1, 6, 7, 4, 26,
27, 24, 25, 30, 31, 28, 29, 18, 19, 16, 17, 22, 23, 20, 21, 106,
104, 105, 110, 111, 108, 109, 98, 99, 96, 97, 102, 103, 100, 101, 122, 120,
126, 127, 124, 125, 114, 115, 112, 113, 118, 119, 116, 117, 75, 73, 79, 77,
66, 67, 64, 65, 70, 71, 68, 69, 90, 91, 88, 89, 94, 95, 92, 93,
82, 82, 83, 83, 80, 80, 81, 81, 86, 86, 87, 87, 84, 84, 85, 85,
170, 171, 168, 169, 174, 175, 172, 173, 162, 163, 160, 161, 166, 167, 164, 165,
186, 187, 184, 185, 190, 191, 188, 189, 178, 179, 176, 177, 182, 183, 180, 181,
138, 139, 136, 137, 142, 143, 140, 141, 130, 131, 128, 129, 134, 135, 132, 154,
155, 152, 153, 158, 159, 156, 157, 146, 147, 144, 145, 150, 151, 148, 149, 234,
232, 233, 238, 239, 236, 237, 226, 227, 224, 225, 230, 231, 228, 229, 250, 248,
254, 255, 252, 253, 242, 243, 240, 241, 246, 247, 244, 245, 203, 201, 207, 205,
194, 195, 192, 193, 198, 199, 196, 197, 218, 219, 216, 217, 222, 223, 220, 221,
210, 210, 211, 211, 208, 208, 209, 209, 214, 214, 215, 215, 212, 212, 213, 213
}
Definition at line 38 of file g711.c.
Referenced by ulaw_to_alaw().
