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annotate frtest/encode-r.c @ 276:e4ca04586118

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dev/gsm0611-silence-fr: rework to eliminate libgsm dependency
author Mychaela Falconia <falcon@freecalypso.org>
date Sun, 14 Apr 2024 03:38:09 +0000
parents 9814041e8096
children e0b46ac2c326
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1 /*
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2 * gsmfr-encode-r is just like gsmfr-encode, but reads the source
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3 * linear PCM data to be encoded from a raw BE file ("robe")
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4 * instead of WAV.
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5 */
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6
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7 #include <stdio.h>
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8 #include <stdint.h>
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9 #include <stdlib.h>
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10 #include <gsm.h>
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11 #include "../libtest/roberead.h"
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13 main(argc, argv)
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14 char **argv;
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15 {
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16 FILE *inf, *binf;
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17 gsm enc_state;
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18 int16_t pcm[160];
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19 uint8_t frame[33];
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20 int rc;
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22 if (argc != 3) {
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23 fprintf(stderr, "usage: %s input.wav output.gsm\n", argv[0]);
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24 exit(1);
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25 }
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26 inf = fopen(argv[1], "r");
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27 if (!inf) {
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28 perror(argv[1]);
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29 exit(1);
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30 }
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31 binf = fopen(argv[2], "w");
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32 if (!binf) {
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33 perror(argv[2]);
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34 exit(1);
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35 }
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36 enc_state = gsm_create();
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37 if (!enc_state) {
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38 fprintf(stderr, "gsm_create() failed!\n");
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39 exit(1);
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40 }
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41 for (;;) {
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42 rc = robe_get_pcm_block(inf, pcm);
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43 if (!rc)
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44 break;
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45 gsm_encode(enc_state, pcm, frame);
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46 fwrite(frame, 1, sizeof frame, binf);
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47 }
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48 fclose(binf);
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49 exit(0);
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50 }