annotate miscutil/pcm16-to-ulaw.c @ 556:18aca50d68df default tip

doc/Calypso-TCH-downlink: update for FR1 BFI-with-data
author Mychaela Falconia <falcon@freecalypso.org>
date Fri, 11 Oct 2024 01:54:00 +0000
parents c7f02428bda6
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
219
dc52c3857bf7 miscutil: new program pcm16-to-alaw
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
1 /*
dc52c3857bf7 miscutil: new program pcm16-to-alaw
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
2 * This program reads a 16-bit PCM recording in raw format (robe by default,
220
c4c45148cde1 miscutil: new program pcm16-to-ulaw
Mychaela Falconia <falcon@freecalypso.org>
parents: 219
diff changeset
3 * or LE with -l option) and converts it to 8-bit PCM in North American
229
f00bf3687286 pcm16-to-ulaw: replace toast table with STL function
Mychaela Falconia <falcon@freecalypso.org>
parents: 220
diff changeset
4 * mu-law encoding. It is based on the ulaw_compress() function from ITU-T
f00bf3687286 pcm16-to-ulaw: replace toast table with STL function
Mychaela Falconia <falcon@freecalypso.org>
parents: 220
diff changeset
5 * G.191 STL, using the most significant 14 bits of each input linear PCM
234
c7f02428bda6 pcm16-to-ulaw: add -t option for 13-bit mode
Mychaela Falconia <falcon@freecalypso.org>
parents: 231
diff changeset
6 * sample, rather than just 13. A command line option is also provided
c7f02428bda6 pcm16-to-ulaw: add -t option for 13-bit mode
Mychaela Falconia <falcon@freecalypso.org>
parents: 231
diff changeset
7 * to truncate each input value to 13 bits prior to mu-law encoding, to
c7f02428bda6 pcm16-to-ulaw: add -t option for 13-bit mode
Mychaela Falconia <falcon@freecalypso.org>
parents: 231
diff changeset
8 * replicate the effect of using a table lookup conversion method that
c7f02428bda6 pcm16-to-ulaw: add -t option for 13-bit mode
Mychaela Falconia <falcon@freecalypso.org>
parents: 231
diff changeset
9 * only considers the upper 13 bits - specify -t option to select this mode.
219
dc52c3857bf7 miscutil: new program pcm16-to-alaw
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
10 */
dc52c3857bf7 miscutil: new program pcm16-to-alaw
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
11
dc52c3857bf7 miscutil: new program pcm16-to-alaw
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
12 #include <stdio.h>
dc52c3857bf7 miscutil: new program pcm16-to-alaw
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
13 #include <stdint.h>
dc52c3857bf7 miscutil: new program pcm16-to-alaw
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
14 #include <stdlib.h>
dc52c3857bf7 miscutil: new program pcm16-to-alaw
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
15 #include <string.h>
dc52c3857bf7 miscutil: new program pcm16-to-alaw
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
16 #include <strings.h>
234
c7f02428bda6 pcm16-to-ulaw: add -t option for 13-bit mode
Mychaela Falconia <falcon@freecalypso.org>
parents: 231
diff changeset
17 #include <unistd.h>
219
dc52c3857bf7 miscutil: new program pcm16-to-alaw
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
18
229
f00bf3687286 pcm16-to-ulaw: replace toast table with STL function
Mychaela Falconia <falcon@freecalypso.org>
parents: 220
diff changeset
19 static unsigned
f00bf3687286 pcm16-to-ulaw: replace toast table with STL function
Mychaela Falconia <falcon@freecalypso.org>
parents: 220
diff changeset
20 ulaw_compress(input)
f00bf3687286 pcm16-to-ulaw: replace toast table with STL function
Mychaela Falconia <falcon@freecalypso.org>
parents: 220
diff changeset
21 unsigned input;
f00bf3687286 pcm16-to-ulaw: replace toast table with STL function
Mychaela Falconia <falcon@freecalypso.org>
parents: 220
diff changeset
22 {
f00bf3687286 pcm16-to-ulaw: replace toast table with STL function
Mychaela Falconia <falcon@freecalypso.org>
parents: 220
diff changeset
23 short i; /* aux.var. */
f00bf3687286 pcm16-to-ulaw: replace toast table with STL function
Mychaela Falconia <falcon@freecalypso.org>
parents: 220
diff changeset
24 short absno; /* absolute value of linear (input) sample */
f00bf3687286 pcm16-to-ulaw: replace toast table with STL function
Mychaela Falconia <falcon@freecalypso.org>
parents: 220
diff changeset
25 short segno; /* segment (Table 2/G711, column 1) */
f00bf3687286 pcm16-to-ulaw: replace toast table with STL function
Mychaela Falconia <falcon@freecalypso.org>
parents: 220
diff changeset
26 short low_nibble; /* low nibble of log companded sample */
f00bf3687286 pcm16-to-ulaw: replace toast table with STL function
Mychaela Falconia <falcon@freecalypso.org>
parents: 220
diff changeset
27 short high_nibble; /* high nibble of log companded sample */
f00bf3687286 pcm16-to-ulaw: replace toast table with STL function
Mychaela Falconia <falcon@freecalypso.org>
parents: 220
diff changeset
28 unsigned output;
f00bf3687286 pcm16-to-ulaw: replace toast table with STL function
Mychaela Falconia <falcon@freecalypso.org>
parents: 220
diff changeset
29
f00bf3687286 pcm16-to-ulaw: replace toast table with STL function
Mychaela Falconia <falcon@freecalypso.org>
parents: 220
diff changeset
30 /* -------------------------------------------------------------------- */
f00bf3687286 pcm16-to-ulaw: replace toast table with STL function
Mychaela Falconia <falcon@freecalypso.org>
parents: 220
diff changeset
31 /* Input is 14-bit right-justified in this version */
f00bf3687286 pcm16-to-ulaw: replace toast table with STL function
Mychaela Falconia <falcon@freecalypso.org>
parents: 220
diff changeset
32 /* Compute absolute value; adjust for easy processing */
f00bf3687286 pcm16-to-ulaw: replace toast table with STL function
Mychaela Falconia <falcon@freecalypso.org>
parents: 220
diff changeset
33 /* -------------------------------------------------------------------- */
f00bf3687286 pcm16-to-ulaw: replace toast table with STL function
Mychaela Falconia <falcon@freecalypso.org>
parents: 220
diff changeset
34 absno = input >= 0x2000 /* compute 1's complement in case of */
f00bf3687286 pcm16-to-ulaw: replace toast table with STL function
Mychaela Falconia <falcon@freecalypso.org>
parents: 220
diff changeset
35 ? (~input & 0x1FFF) + 33 /* negative samples */
f00bf3687286 pcm16-to-ulaw: replace toast table with STL function
Mychaela Falconia <falcon@freecalypso.org>
parents: 220
diff changeset
36 : input + 33; /* NB: 33 is the difference value */
f00bf3687286 pcm16-to-ulaw: replace toast table with STL function
Mychaela Falconia <falcon@freecalypso.org>
parents: 220
diff changeset
37 /* between the thresholds for */
f00bf3687286 pcm16-to-ulaw: replace toast table with STL function
Mychaela Falconia <falcon@freecalypso.org>
parents: 220
diff changeset
38 /* A-law and u-law. */
f00bf3687286 pcm16-to-ulaw: replace toast table with STL function
Mychaela Falconia <falcon@freecalypso.org>
parents: 220
diff changeset
39 if (absno > (0x1FFF)) /* limitation to "absno" < 8192 */
f00bf3687286 pcm16-to-ulaw: replace toast table with STL function
Mychaela Falconia <falcon@freecalypso.org>
parents: 220
diff changeset
40 absno = (0x1FFF);
219
dc52c3857bf7 miscutil: new program pcm16-to-alaw
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
41
229
f00bf3687286 pcm16-to-ulaw: replace toast table with STL function
Mychaela Falconia <falcon@freecalypso.org>
parents: 220
diff changeset
42 /* Determination of sample's segment */
f00bf3687286 pcm16-to-ulaw: replace toast table with STL function
Mychaela Falconia <falcon@freecalypso.org>
parents: 220
diff changeset
43 i = absno >> 6;
f00bf3687286 pcm16-to-ulaw: replace toast table with STL function
Mychaela Falconia <falcon@freecalypso.org>
parents: 220
diff changeset
44 segno = 1;
f00bf3687286 pcm16-to-ulaw: replace toast table with STL function
Mychaela Falconia <falcon@freecalypso.org>
parents: 220
diff changeset
45 while (i != 0) {
f00bf3687286 pcm16-to-ulaw: replace toast table with STL function
Mychaela Falconia <falcon@freecalypso.org>
parents: 220
diff changeset
46 segno++;
f00bf3687286 pcm16-to-ulaw: replace toast table with STL function
Mychaela Falconia <falcon@freecalypso.org>
parents: 220
diff changeset
47 i >>= 1;
f00bf3687286 pcm16-to-ulaw: replace toast table with STL function
Mychaela Falconia <falcon@freecalypso.org>
parents: 220
diff changeset
48 }
f00bf3687286 pcm16-to-ulaw: replace toast table with STL function
Mychaela Falconia <falcon@freecalypso.org>
parents: 220
diff changeset
49
f00bf3687286 pcm16-to-ulaw: replace toast table with STL function
Mychaela Falconia <falcon@freecalypso.org>
parents: 220
diff changeset
50 /* Mounting the high-nibble of the log-PCM sample */
f00bf3687286 pcm16-to-ulaw: replace toast table with STL function
Mychaela Falconia <falcon@freecalypso.org>
parents: 220
diff changeset
51 high_nibble = (0x0008) - segno;
f00bf3687286 pcm16-to-ulaw: replace toast table with STL function
Mychaela Falconia <falcon@freecalypso.org>
parents: 220
diff changeset
52
f00bf3687286 pcm16-to-ulaw: replace toast table with STL function
Mychaela Falconia <falcon@freecalypso.org>
parents: 220
diff changeset
53 /* Mounting the low-nibble of the log PCM sample */
f00bf3687286 pcm16-to-ulaw: replace toast table with STL function
Mychaela Falconia <falcon@freecalypso.org>
parents: 220
diff changeset
54 low_nibble = (absno >> segno) /* right shift of mantissa and */
f00bf3687286 pcm16-to-ulaw: replace toast table with STL function
Mychaela Falconia <falcon@freecalypso.org>
parents: 220
diff changeset
55 &(0x000F); /* masking away leading '1' */
f00bf3687286 pcm16-to-ulaw: replace toast table with STL function
Mychaela Falconia <falcon@freecalypso.org>
parents: 220
diff changeset
56 low_nibble = (0x000F) - low_nibble;
f00bf3687286 pcm16-to-ulaw: replace toast table with STL function
Mychaela Falconia <falcon@freecalypso.org>
parents: 220
diff changeset
57
f00bf3687286 pcm16-to-ulaw: replace toast table with STL function
Mychaela Falconia <falcon@freecalypso.org>
parents: 220
diff changeset
58 /* Joining the high-nibble and the low-nibble of the log PCM sample */
f00bf3687286 pcm16-to-ulaw: replace toast table with STL function
Mychaela Falconia <falcon@freecalypso.org>
parents: 220
diff changeset
59 output = (high_nibble << 4) | low_nibble;
f00bf3687286 pcm16-to-ulaw: replace toast table with STL function
Mychaela Falconia <falcon@freecalypso.org>
parents: 220
diff changeset
60
f00bf3687286 pcm16-to-ulaw: replace toast table with STL function
Mychaela Falconia <falcon@freecalypso.org>
parents: 220
diff changeset
61 /* Add sign bit */
f00bf3687286 pcm16-to-ulaw: replace toast table with STL function
Mychaela Falconia <falcon@freecalypso.org>
parents: 220
diff changeset
62 if (input < 0x2000)
f00bf3687286 pcm16-to-ulaw: replace toast table with STL function
Mychaela Falconia <falcon@freecalypso.org>
parents: 220
diff changeset
63 output = output | (0x0080);
f00bf3687286 pcm16-to-ulaw: replace toast table with STL function
Mychaela Falconia <falcon@freecalypso.org>
parents: 220
diff changeset
64
f00bf3687286 pcm16-to-ulaw: replace toast table with STL function
Mychaela Falconia <falcon@freecalypso.org>
parents: 220
diff changeset
65 return output;
f00bf3687286 pcm16-to-ulaw: replace toast table with STL function
Mychaela Falconia <falcon@freecalypso.org>
parents: 220
diff changeset
66 }
219
dc52c3857bf7 miscutil: new program pcm16-to-alaw
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
67
dc52c3857bf7 miscutil: new program pcm16-to-alaw
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
68 main(argc, argv)
dc52c3857bf7 miscutil: new program pcm16-to-alaw
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
69 char **argv;
dc52c3857bf7 miscutil: new program pcm16-to-alaw
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
70 {
234
c7f02428bda6 pcm16-to-ulaw: add -t option for 13-bit mode
Mychaela Falconia <falcon@freecalypso.org>
parents: 231
diff changeset
71 int opt, little_endian = 0, truncate = 0;
219
dc52c3857bf7 miscutil: new program pcm16-to-alaw
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
72 char *infname, *outfname;
dc52c3857bf7 miscutil: new program pcm16-to-alaw
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
73 FILE *inf, *outf;
dc52c3857bf7 miscutil: new program pcm16-to-alaw
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
74 uint8_t inb[2];
dc52c3857bf7 miscutil: new program pcm16-to-alaw
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
75 uint16_t ins;
dc52c3857bf7 miscutil: new program pcm16-to-alaw
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
76 int cc;
234
c7f02428bda6 pcm16-to-ulaw: add -t option for 13-bit mode
Mychaela Falconia <falcon@freecalypso.org>
parents: 231
diff changeset
77 extern int optind;
219
dc52c3857bf7 miscutil: new program pcm16-to-alaw
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
78
234
c7f02428bda6 pcm16-to-ulaw: add -t option for 13-bit mode
Mychaela Falconia <falcon@freecalypso.org>
parents: 231
diff changeset
79 while ((opt = getopt(argc, argv, "lt")) != EOF) {
c7f02428bda6 pcm16-to-ulaw: add -t option for 13-bit mode
Mychaela Falconia <falcon@freecalypso.org>
parents: 231
diff changeset
80 switch (opt) {
c7f02428bda6 pcm16-to-ulaw: add -t option for 13-bit mode
Mychaela Falconia <falcon@freecalypso.org>
parents: 231
diff changeset
81 case 'l':
c7f02428bda6 pcm16-to-ulaw: add -t option for 13-bit mode
Mychaela Falconia <falcon@freecalypso.org>
parents: 231
diff changeset
82 little_endian = 1;
c7f02428bda6 pcm16-to-ulaw: add -t option for 13-bit mode
Mychaela Falconia <falcon@freecalypso.org>
parents: 231
diff changeset
83 continue;
c7f02428bda6 pcm16-to-ulaw: add -t option for 13-bit mode
Mychaela Falconia <falcon@freecalypso.org>
parents: 231
diff changeset
84 case 't':
c7f02428bda6 pcm16-to-ulaw: add -t option for 13-bit mode
Mychaela Falconia <falcon@freecalypso.org>
parents: 231
diff changeset
85 truncate = 1;
c7f02428bda6 pcm16-to-ulaw: add -t option for 13-bit mode
Mychaela Falconia <falcon@freecalypso.org>
parents: 231
diff changeset
86 continue;
c7f02428bda6 pcm16-to-ulaw: add -t option for 13-bit mode
Mychaela Falconia <falcon@freecalypso.org>
parents: 231
diff changeset
87 default:
c7f02428bda6 pcm16-to-ulaw: add -t option for 13-bit mode
Mychaela Falconia <falcon@freecalypso.org>
parents: 231
diff changeset
88 usage:
c7f02428bda6 pcm16-to-ulaw: add -t option for 13-bit mode
Mychaela Falconia <falcon@freecalypso.org>
parents: 231
diff changeset
89 fprintf(stderr,
c7f02428bda6 pcm16-to-ulaw: add -t option for 13-bit mode
Mychaela Falconia <falcon@freecalypso.org>
parents: 231
diff changeset
90 "usage: %s [-l] [-t] input.pcm16 output.ulaw\n",
c7f02428bda6 pcm16-to-ulaw: add -t option for 13-bit mode
Mychaela Falconia <falcon@freecalypso.org>
parents: 231
diff changeset
91 argv[0]);
c7f02428bda6 pcm16-to-ulaw: add -t option for 13-bit mode
Mychaela Falconia <falcon@freecalypso.org>
parents: 231
diff changeset
92 exit(1);
c7f02428bda6 pcm16-to-ulaw: add -t option for 13-bit mode
Mychaela Falconia <falcon@freecalypso.org>
parents: 231
diff changeset
93 }
219
dc52c3857bf7 miscutil: new program pcm16-to-alaw
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
94 }
234
c7f02428bda6 pcm16-to-ulaw: add -t option for 13-bit mode
Mychaela Falconia <falcon@freecalypso.org>
parents: 231
diff changeset
95 if (argc != optind + 2)
c7f02428bda6 pcm16-to-ulaw: add -t option for 13-bit mode
Mychaela Falconia <falcon@freecalypso.org>
parents: 231
diff changeset
96 goto usage;
c7f02428bda6 pcm16-to-ulaw: add -t option for 13-bit mode
Mychaela Falconia <falcon@freecalypso.org>
parents: 231
diff changeset
97 infname = argv[optind];
c7f02428bda6 pcm16-to-ulaw: add -t option for 13-bit mode
Mychaela Falconia <falcon@freecalypso.org>
parents: 231
diff changeset
98 outfname = argv[optind+1];
c7f02428bda6 pcm16-to-ulaw: add -t option for 13-bit mode
Mychaela Falconia <falcon@freecalypso.org>
parents: 231
diff changeset
99
219
dc52c3857bf7 miscutil: new program pcm16-to-alaw
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
100 inf = fopen(infname, "r");
dc52c3857bf7 miscutil: new program pcm16-to-alaw
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
101 if (!inf) {
dc52c3857bf7 miscutil: new program pcm16-to-alaw
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
102 perror(infname);
dc52c3857bf7 miscutil: new program pcm16-to-alaw
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
103 exit(1);
dc52c3857bf7 miscutil: new program pcm16-to-alaw
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
104 }
dc52c3857bf7 miscutil: new program pcm16-to-alaw
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
105 outf = fopen(outfname, "w");
dc52c3857bf7 miscutil: new program pcm16-to-alaw
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
106 if (!outf) {
dc52c3857bf7 miscutil: new program pcm16-to-alaw
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
107 perror(outfname);
dc52c3857bf7 miscutil: new program pcm16-to-alaw
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
108 exit(1);
dc52c3857bf7 miscutil: new program pcm16-to-alaw
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
109 }
dc52c3857bf7 miscutil: new program pcm16-to-alaw
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
110 for (;;) {
dc52c3857bf7 miscutil: new program pcm16-to-alaw
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
111 cc = fread(inb, 1, 2, inf);
dc52c3857bf7 miscutil: new program pcm16-to-alaw
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
112 if (cc <= 0)
dc52c3857bf7 miscutil: new program pcm16-to-alaw
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
113 break;
dc52c3857bf7 miscutil: new program pcm16-to-alaw
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
114 if (cc & 1) {
dc52c3857bf7 miscutil: new program pcm16-to-alaw
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
115 fprintf(stderr, "error: %s has odd number of bytes\n",
dc52c3857bf7 miscutil: new program pcm16-to-alaw
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
116 infname);
dc52c3857bf7 miscutil: new program pcm16-to-alaw
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
117 exit(1);
dc52c3857bf7 miscutil: new program pcm16-to-alaw
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
118 }
dc52c3857bf7 miscutil: new program pcm16-to-alaw
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
119 if (little_endian)
dc52c3857bf7 miscutil: new program pcm16-to-alaw
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
120 ins = ((uint16_t) inb[1] << 8) | ((uint16_t) inb[0]);
dc52c3857bf7 miscutil: new program pcm16-to-alaw
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
121 else
dc52c3857bf7 miscutil: new program pcm16-to-alaw
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
122 ins = ((uint16_t) inb[0] << 8) | ((uint16_t) inb[1]);
234
c7f02428bda6 pcm16-to-ulaw: add -t option for 13-bit mode
Mychaela Falconia <falcon@freecalypso.org>
parents: 231
diff changeset
123 ins >>= 2;
c7f02428bda6 pcm16-to-ulaw: add -t option for 13-bit mode
Mychaela Falconia <falcon@freecalypso.org>
parents: 231
diff changeset
124 if (truncate)
c7f02428bda6 pcm16-to-ulaw: add -t option for 13-bit mode
Mychaela Falconia <falcon@freecalypso.org>
parents: 231
diff changeset
125 ins &= ~1;
c7f02428bda6 pcm16-to-ulaw: add -t option for 13-bit mode
Mychaela Falconia <falcon@freecalypso.org>
parents: 231
diff changeset
126 putc(ulaw_compress(ins), outf);
219
dc52c3857bf7 miscutil: new program pcm16-to-alaw
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
127 }
dc52c3857bf7 miscutil: new program pcm16-to-alaw
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
128 fclose(outf);
dc52c3857bf7 miscutil: new program pcm16-to-alaw
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
129 exit(0);
dc52c3857bf7 miscutil: new program pcm16-to-alaw
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
130 }