FreeCalypso > hg > gsm-codec-lib

annotate efrtest/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 b51295fcbbae
children
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1 /*
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2 * This file is the main module for gsmefr-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 <string.h>
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9 #include <strings.h>
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10 #include "../libgsmefr/gsm_efr.h"
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11 #include "../libtest/wavreader.h"
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12 #include "../libtest/wavrdhelp.h"
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14 main(argc, argv)
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15 char **argv;
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16 {
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17 char *infname, *outfname;
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18 void *wav;
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19 FILE *binf;
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20 struct EFR_encoder_state *state;
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21 int16_t pcm[160];
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22 uint8_t frame[EFR_RTP_FRAME_LEN];
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23 int dtx, rc;
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25 if (argc == 3 && argv[1][0] != '-') {
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26 dtx = 0;
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27 infname = argv[1];
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28 outfname = argv[2];
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29 } else if (argc == 4 && !strcmp(argv[1], "-d")) {
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30 dtx = 1;
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31 infname = argv[2];
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32 outfname = argv[3];
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33 } else {
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34 fprintf(stderr, "usage: %s [-d] input.wav output.gsmx\n",
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35 argv[0]);
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36 exit(1);
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37 }
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38 wav = wav_read_open(infname);
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39 if (!wav) {
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40 perror(infname);
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41 exit(1);
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42 }
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43 rc = wavrd_check_header(wav, infname);
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44 if (rc < 0)
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45 exit(1); /* error msg already printed */
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46 binf = fopen(outfname, "w");
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47 if (!binf) {
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48 perror(outfname);
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49 exit(1);
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50 }
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51 state = EFR_encoder_create(dtx);
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52 if (!state) {
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53 perror("EFR_encoder_create()");
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54 exit(1);
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55 }
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56 for (;;) {
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57 rc = wavrd_get_pcm_block(wav, pcm);
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58 if (!rc)
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59 break;
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60 EFR_encode_frame(state, pcm, frame, (int *) 0, (int *) 0);
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61 fwrite(frame, 1, sizeof frame, binf);
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62 }
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63 fclose(binf);
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64 exit(0);
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65 }