FreeCalypso > hg > gsm-codec-lib
comparison efrtest/decode-r.c @ 154:01ce75ea1c8e
gsmefr-decode-r utility put together
author | Mychaela Falconia <falcon@freecalypso.org> |
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date | Wed, 14 Dec 2022 23:18:18 +0000 |
parents | efrtest/decode.c@d5bab777865a |
children |
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153:14b627682458 | 154:01ce75ea1c8e |
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1 /* | |
2 * gsmefr-decode-r is like gsmefr-decode, but writes the decoded PCM | |
3 * output in our "robe" format instead of WAV. | |
4 */ | |
5 | |
6 #include <stdio.h> | |
7 #include <stdint.h> | |
8 #include <stdlib.h> | |
9 #include "../libgsmefr/gsm_efr.h" | |
10 #include "../libtest/binreader.h" | |
11 #include "../libtest/robewrite.h" | |
12 | |
13 main(argc, argv) | |
14 char **argv; | |
15 { | |
16 FILE *binf, *outf; | |
17 struct EFR_decoder_state *state; | |
18 uint8_t frame[BINFILE_MAX_FRAME]; | |
19 int16_t pcm[160]; | |
20 int rc, bfi, taf; | |
21 | |
22 if (argc != 3) { | |
23 fprintf(stderr, "usage: %s input.gsmx output.robe\n", argv[0]); | |
24 exit(1); | |
25 } | |
26 binf = fopen(argv[1], "r"); | |
27 if (!binf) { | |
28 perror(argv[1]); | |
29 exit(1); | |
30 } | |
31 outf = fopen(argv[2], "w"); | |
32 if (!outf) { | |
33 perror(argv[2]); | |
34 exit(1); | |
35 } | |
36 state = EFR_decoder_create(); | |
37 if (!state) { | |
38 perror("EFR_decoder_create()"); | |
39 exit(1); | |
40 } | |
41 for (;;) { | |
42 rc = binfile_read_frame(binf, frame); | |
43 if (rc < 0) { | |
44 fprintf(stderr, "error: garbage in %s\n", argv[1]); | |
45 exit(1); | |
46 } | |
47 if (!rc) | |
48 break; | |
49 if (frame[0] == 0xBF) { | |
50 bfi = 1; | |
51 taf = frame[1] & 1; | |
52 } else if ((frame[0] & 0xF0) == 0xC0) | |
53 bfi = 0; | |
54 else { | |
55 fprintf(stderr, | |
56 "error: %s is not in EFR codec format\n", | |
57 argv[1]); | |
58 exit(1); | |
59 } | |
60 if (bfi) | |
61 EFR_decode_bfi_nodata(state, taf, pcm); | |
62 else | |
63 EFR_decode_frame(state, frame, 0, 0, pcm); | |
64 write_pcm_to_robe(outf, pcm); | |
65 } | |
66 fclose(outf); | |
67 exit(0); | |
68 } |