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comparison hrutil/encode-r.c @ 629:32cc4b709e0e

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hrutil: new program gsmhr-encode-r
author Mychaela Falconia <falcon@freecalypso.org>
date Thu, 12 Mar 2026 05:59:37 +0000
parents hrutil/encode.c@c53ce88d67a7
children
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628:c53ce88d67a7 629:32cc4b709e0e
1 /*
2 * This file is the main module for gsmhr-encode-r utility. This utility
3 * is intended to serve as the "precision" speech encoder for GSM-HR,
4 * reading speech input in robe format and emitting GSM-HR output in
5 * TW-TS-005 Annex B hex format.
6 */
7
8 #include <stdio.h>
9 #include <stdint.h>
10 #include <stdlib.h>
11 #include <string.h>
12 #include <strings.h>
13 #include <unistd.h>
14 #include "../libgsmhr1/tw_gsmhr.h"
15 #include "../libtest/roberead.h"
16
17 main(argc, argv)
18 char **argv;
19 {
20 char *infname, *outfname;
21 FILE *inf, *outf;
22 struct gsmhr_encoder_state *state;
23 int16_t pcm[160];
24 int16_t prm_out[GSMHR_NUM_PARAMS_ENC];
25 int opt, rc, dtx = 0, emit_5993 = 0;
26 extern int optind;
27
28 while ((opt = getopt(argc, argv, "dx")) != EOF) {
29 switch (opt) {
30 case 'd':
31 dtx = 1;
32 continue;
33 case 'x':
34 emit_5993 = 1;
35 continue;
36 default:
37 usage:
38 fprintf(stderr,
39 "usage: %s [-d] [-x] input.robe output.hex\n",
40 argv[0]);
41 exit(1);
42 }
43 }
44 if (argc != optind + 2)
45 goto usage;
46 infname = argv[optind];
47 outfname = argv[optind+1];
48
49 inf = fopen(infname, "r");
50 if (!inf) {
51 perror(infname);
52 exit(1);
53 }
54 outf = fopen(outfname, "w");
55 if (!outf) {
56 perror(outfname);
57 exit(1);
58 }
59 state = gsmhr_encoder_create(dtx);
60 if (!state) {
61 perror("gsmhr_encoder_create()");
62 exit(1);
63 }
64 for (;;) {
65 rc = robe_get_pcm_block(inf, pcm);
66 if (!rc)
67 break;
68 gsmhr_encode_frame(state, pcm, prm_out);
69 emit_cod_to_tw5b(outf, prm_out, emit_5993);
70 }
71 fclose(outf);
72 exit(0);
73 }