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comparison hrutil/rpf2hex.c @ 567:2fcb6b27ee9b

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hrutil: new program gsmhr-rpf2hex
author Mychaela Falconia <falcon@freecalypso.org>
date Wed, 12 Feb 2025 02:32:21 +0000
parents miscutil/gsmx-to-tw5a.c@5595293e4f29
children
comparison
equal deleted inserted replaced
566:62fe499ffc15 567:2fcb6b27ee9b
1 /*
2 * This program converts HRv1 speech recordings from ETSI TS 101 318 raw
3 * packed format (14 bytes per frame, good frames only) into our preferred
4 * TW-TS-005 Annex B format.
5 */
6
7 #include <stdio.h>
8 #include <stdint.h>
9 #include <stdlib.h>
10 #include <string.h>
11 #include <strings.h>
12 #include <unistd.h>
13 #include "../libgsmhr1/tw_gsmhr.h"
14
15 static void
16 emit_hr1_hex_frame(outf, frame, emit_5993)
17 FILE *outf;
18 uint8_t *frame;
19 {
20 unsigned n;
21
22 if (emit_5993) {
23 fprintf(outf, "%02X",
24 gsmhr_ts101318_is_perfect_sid(frame) << 4);
25 }
26 for (n = 0; n < GSMHR_FRAME_LEN_RPF; n++)
27 fprintf(outf, "%02X", frame[n]);
28 putc('\n', outf);
29 }
30
31 main(argc, argv)
32 char **argv;
33 {
34 char *infname, *outfname;
35 FILE *inf, *outf;
36 int opt, cc, emit_5993 = 0;
37 uint8_t frame[GSMHR_FRAME_LEN_RPF];
38 extern int optind;
39
40 while ((opt = getopt(argc, argv, "x")) != EOF) {
41 switch (opt) {
42 case 'x':
43 emit_5993 = 1;
44 continue;
45 default:
46 usage:
47 fprintf(stderr,
48 "usage: %s [-x] input.hrpf output.hex\n",
49 argv[0]);
50 exit(1);
51 }
52 }
53 if (argc != optind + 2)
54 goto usage;
55 infname = argv[optind];
56 outfname = argv[optind+1];
57
58 inf = fopen(infname, "r");
59 if (!inf) {
60 perror(infname);
61 exit(1);
62 }
63 outf = fopen(outfname, "w");
64 if (!outf) {
65 perror(outfname);
66 exit(1);
67 }
68
69 for (;;) {
70 cc = fread(frame, 1, GSMHR_FRAME_LEN_RPF, inf);
71 if (cc == 0)
72 break;
73 if (cc != GSMHR_FRAME_LEN_RPF) {
74 fprintf(stderr, "error: short read from %s\n", infname);
75 exit(1);
76 }
77 emit_hr1_hex_frame(outf, frame, emit_5993);
78 }
79 exit(0);
80 }