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comparison amrdiff/readone-efr.c @ 4:5aeebdcbddad

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readone-efr program written
author Mychaela Falconia <falcon@freecalypso.org>
date Wed, 03 Apr 2024 20:07:50 +0000
parents amrdiff/readone-amr.c@75ba83624a29
children
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3:82c2d1a2f608 4:5aeebdcbddad
1 /*
2 * This program reads a single frame (the first one) from an EFR *.cod file
3 * and emits this frame of 244 bits as comma-separated ASCII. The intent is
4 * to extract the DHF in a form convenient for inclusion in amrdiff source.
5 */
6
7 #include <stdio.h>
8 #include <stdint.h>
9 #include <stdlib.h>
10 #include <string.h>
11 #include <strings.h>
12 #include "etsi.h"
13
14 main(argc, argv)
15 char **argv;
16 {
17 char *filename;
18 int bigend, rc;
19 FILE *inf;
20 uint8_t efr_bits[ETSI_ENC_NWORDS];
21
22 if (argc != 3) {
23 usage: fprintf(stderr, "usage: %s efr-cod-file be|le\n", argv[0]);
24 exit(1);
25 }
26 filename = argv[1];
27 if (!strcmp(argv[2], "be"))
28 bigend = 1;
29 else if (!strcmp(argv[2], "le"))
30 bigend = 0;
31 else
32 goto usage;
33 inf = fopen(filename, "r");
34 if (!inf) {
35 perror(filename);
36 exit(1);
37 }
38 rc = read_etsi_bits(inf, bigend, efr_bits, ETSI_ENC_NWORDS, filename);
39 if (!rc) {
40 fprintf(stderr, "error: %s is empty\n", filename);
41 exit(1);
42 }
43 emit_frame244(efr_bits);
44 exit(0);
45 }