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comparison dev/gsmfr-dhf.c @ 277:37dc5c84bbe9

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dev: generate RTP-packed GSM-FR DHF
author Mychaela Falconia <falcon@freecalypso.org>
date Sun, 14 Apr 2024 04:00:02 +0000
parents dev/gsm0611-silence-fr.c@e4ca04586118
children
comparison
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276:e4ca04586118 277:37dc5c84bbe9
1 /*
2 * This program is meant to be run only once by the developer - it
3 * generates RTP-packed form of the decoder homing frame for GSM-FR,
4 * as specified in more recent versions of GSM 06.10 spec.
5 */
6
7 #include <stdio.h>
8 #include <stdint.h>
9 #include <stdlib.h>
10 #include <string.h>
11 #include <strings.h>
12
13 extern void gsmfr_pack_to_rtp(const int16_t *params, uint8_t *frame);
14
15 static const int16_t larc[8] = {9, 23, 15, 8, 7, 3, 3, 2};
16
17 main(argc, argv)
18 char **argv;
19 {
20 int16_t params[76], *pp;
21 uint8_t frame[33];
22 unsigned m, n;
23
24 /* gather params */
25 bcopy(larc, params, sizeof(int16_t) * 8);
26 pp = params + 8;
27 for (m = 0; m < 4; m++) {
28 *pp++ = 40;
29 *pp++ = 0;
30 *pp++ = 0;
31 *pp++ = 0;
32 for (n = 0; n < 13; n++) {
33 if (m == 3 && n == 4)
34 *pp++ = 3;
35 else
36 *pp++ = 4;
37 }
38 }
39 /* generate frame */
40 gsmfr_pack_to_rtp(params, frame);
41 /* print the frame */
42 for (n = 0; n < 33; n++) {
43 printf("0x%02X,", frame[n]);
44 if (n == 4 || n == 11 || n == 18 || n == 25 || n == 32)
45 putchar('\n');
46 else
47 putchar(' ');
48 }
49 exit(0);
50 }