annotate frtest/decode.c @ 20:93ed41fb4038

libgsmfrp/Makefile: add install
author Mychaela Falconia <falcon@freecalypso.org>
date Sun, 20 Nov 2022 06:36:09 +0000
parents b9a842775f40
children 8d3cfa65a6c2
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
12
f88817a233fb gsmfr-decode test program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
1 /*
f88817a233fb gsmfr-decode test program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
2 * This file is the main module for gsmfr-decode utility.
f88817a233fb gsmfr-decode test program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
3 */
f88817a233fb gsmfr-decode test program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
4
f88817a233fb gsmfr-decode test program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
5 #include <stdio.h>
f88817a233fb gsmfr-decode test program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
6 #include <stdint.h>
f88817a233fb gsmfr-decode test program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
7 #include <stdlib.h>
f88817a233fb gsmfr-decode test program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
8 #include <gsm.h>
f88817a233fb gsmfr-decode test program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
9 #include "../libgsmfrp/gsm_fr_preproc.h"
f88817a233fb gsmfr-decode test program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
10 #include "../libtest/binreader.h"
f88817a233fb gsmfr-decode test program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
11 #include "../libtest/wavwriter.h"
f88817a233fb gsmfr-decode test program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
12 #include "../libtest/pcmwrite.h"
f88817a233fb gsmfr-decode test program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
13
f88817a233fb gsmfr-decode test program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
14 main(argc, argv)
f88817a233fb gsmfr-decode test program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
15 char **argv;
f88817a233fb gsmfr-decode test program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
16 {
f88817a233fb gsmfr-decode test program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
17 FILE *binf;
f88817a233fb gsmfr-decode test program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
18 void *wav;
f88817a233fb gsmfr-decode test program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
19 gsm dec_state;
f88817a233fb gsmfr-decode test program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
20 struct gsmfr_preproc_state *pp_state;
f88817a233fb gsmfr-decode test program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
21 uint8_t frame[BINFILE_MAX_FRAME];
f88817a233fb gsmfr-decode test program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
22 int16_t pcm[160];
f88817a233fb gsmfr-decode test program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
23 int rc, bfi, taf;
f88817a233fb gsmfr-decode test program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
24
f88817a233fb gsmfr-decode test program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
25 if (argc != 3) {
f88817a233fb gsmfr-decode test program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
26 fprintf(stderr, "usage: %s input.gsm output.wav\n", argv[0]);
f88817a233fb gsmfr-decode test program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
27 exit(1);
f88817a233fb gsmfr-decode test program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
28 }
f88817a233fb gsmfr-decode test program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
29 binf = fopen(argv[1], "r");
f88817a233fb gsmfr-decode test program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
30 if (!binf) {
f88817a233fb gsmfr-decode test program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
31 perror(argv[1]);
f88817a233fb gsmfr-decode test program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
32 exit(1);
f88817a233fb gsmfr-decode test program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
33 }
f88817a233fb gsmfr-decode test program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
34 wav = wav_write_open(argv[2], 8000, 16, 1);
f88817a233fb gsmfr-decode test program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
35 if (!wav) {
f88817a233fb gsmfr-decode test program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
36 perror(argv[2]);
f88817a233fb gsmfr-decode test program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
37 exit(1);
f88817a233fb gsmfr-decode test program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
38 }
f88817a233fb gsmfr-decode test program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
39 dec_state = gsm_create();
f88817a233fb gsmfr-decode test program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
40 if (!dec_state) {
f88817a233fb gsmfr-decode test program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
41 fprintf(stderr, "gsm_create() failed!\n");
f88817a233fb gsmfr-decode test program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
42 exit(1);
f88817a233fb gsmfr-decode test program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
43 }
f88817a233fb gsmfr-decode test program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
44 pp_state = gsmfr_preproc_create();
f88817a233fb gsmfr-decode test program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
45 if (!pp_state) {
f88817a233fb gsmfr-decode test program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
46 fprintf(stderr, "gsmfr_preproc_create() failed!\n");
f88817a233fb gsmfr-decode test program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
47 exit(1);
f88817a233fb gsmfr-decode test program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
48 }
f88817a233fb gsmfr-decode test program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
49 for (;;) {
f88817a233fb gsmfr-decode test program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
50 rc = binfile_read_frame(binf, frame);
f88817a233fb gsmfr-decode test program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
51 if (rc < 0) {
f88817a233fb gsmfr-decode test program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
52 fprintf(stderr, "error: garbage in %s\n", argv[1]);
f88817a233fb gsmfr-decode test program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
53 exit(1);
f88817a233fb gsmfr-decode test program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
54 }
f88817a233fb gsmfr-decode test program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
55 if (!rc)
f88817a233fb gsmfr-decode test program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
56 break;
f88817a233fb gsmfr-decode test program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
57 if (frame[0] == 0xBF) {
f88817a233fb gsmfr-decode test program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
58 bfi = 1;
f88817a233fb gsmfr-decode test program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
59 taf = frame[1] & 1;
16
b9a842775f40 gsmfr-decode: trivial bug
Mychaela Falconia <falcon@freecalypso.org>
parents: 12
diff changeset
60 } else if ((frame[0] & 0xF0) == 0xD0)
12
f88817a233fb gsmfr-decode test program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
61 bfi = 0;
f88817a233fb gsmfr-decode test program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
62 else {
f88817a233fb gsmfr-decode test program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
63 fprintf(stderr, "error: %s is not in FR codec format\n",
f88817a233fb gsmfr-decode test program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
64 argv[1]);
f88817a233fb gsmfr-decode test program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
65 exit(1);
f88817a233fb gsmfr-decode test program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
66 }
f88817a233fb gsmfr-decode test program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
67 if (bfi)
f88817a233fb gsmfr-decode test program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
68 gsmfr_preproc_bfi(pp_state, taf, frame);
f88817a233fb gsmfr-decode test program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
69 else
f88817a233fb gsmfr-decode test program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
70 gsmfr_preproc_good_frame(pp_state, frame);
f88817a233fb gsmfr-decode test program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
71 gsm_decode(dec_state, frame, pcm);
f88817a233fb gsmfr-decode test program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
72 write_pcm_to_wav(wav, pcm);
f88817a233fb gsmfr-decode test program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
73 }
f88817a233fb gsmfr-decode test program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
74 wav_write_close(wav);
f88817a233fb gsmfr-decode test program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
75 exit(0);
f88817a233fb gsmfr-decode test program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
76 }