FreeCalypso > hg > gsm-codec-lib

annotate frtest/encode.c @ 556:18aca50d68df default tip

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doc/Calypso-TCH-downlink: update for FR1 BFI-with-data
author Mychaela Falconia <falcon@freecalypso.org>
date Fri, 11 Oct 2024 01:54:00 +0000
parents f00925b533b7
children
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1 /*
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2 * This file is the main module for gsmfr-encode utility.
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3 */
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4
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5 #include <stdio.h>
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6 #include <stdint.h>
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7 #include <stdlib.h>
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8 #include "../libgsmfr2/tw_gsmfr.h"
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9 #include "../libtest/wavreader.h"
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10 #include "../libtest/wavrdhelp.h"
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12 main(argc, argv)
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13 char **argv;
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14 {
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15 void *wav;
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16 FILE *binf;
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17 struct gsmfr_0610_state *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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21
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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 wav = wav_read_open(argv[1]);
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27 if (!wav) {
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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 rc = wavrd_check_header(wav, argv[1]);
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32 if (rc < 0)
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33 exit(1); /* error msg already printed */
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34 binf = fopen(argv[2], "w");
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35 if (!binf) {
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36 perror(argv[2]);
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37 exit(1);
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38 }
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39 enc_state = gsmfr_0610_create();
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40 if (!enc_state) {
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41 fprintf(stderr, "gsmfr_0610_create() failed!\n");
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42 exit(1);
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43 }
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44 for (;;) {
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45 rc = wavrd_get_pcm_block(wav, pcm);
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46 if (!rc)
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47 break;
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48 gsmfr_0610_encode_frame(enc_state, pcm, frame);
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49 fwrite(frame, 1, sizeof frame, binf);
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50 }
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51 fclose(binf);
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52 exit(0);
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53 }