FreeCalypso > hg > gsm-codec-lib

annotate efrtest/dec-parse.c @ 154:01ce75ea1c8e

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gsmefr-decode-r utility put together
author Mychaela Falconia <falcon@freecalypso.org>
date Wed, 14 Dec 2022 23:18:18 +0000
parents 95d47a34070a
children 46a6e6b6841a
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1 /*
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2 * This program reads an EFR *.dec file in ETSI test sequence format
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3 * (test input to the decoder) and converts it into human-readable format,
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4 * similar to what one would get from our gsmrec-dump utility.
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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 <string.h>
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11 #include <strings.h>
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12 #include "../libgsmefr/gsm_efr.h"
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13 #include "etsi.h"
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15 main(argc, argv)
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16 char **argv;
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17 {
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18 char *infname;
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19 FILE *inf;
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20 int big_endian;
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21 unsigned frame_no;
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22 uint8_t input_bits[ETSI_DEC_NWORDS], frame[EFR_RTP_FRAME_LEN];
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23 int16_t params[EFR_NUM_PARAMS];
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24 int rc, i, j, n;
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25
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26 if (argc == 2 && argv[1][0] != '-') {
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27 big_endian = 0;
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28 infname = argv[1];
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29 } else if (argc == 3 && !strcmp(argv[1], "-b")) {
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30 big_endian = 1;
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31 infname = argv[2];
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32 } else {
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33 fprintf(stderr, "usage: %s [-b] file.dec\n", argv[0]);
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34 exit(1);
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35 }
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36 inf = fopen(infname, "r");
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37 if (!inf) {
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38 perror(infname);
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39 exit(1);
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40 }
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41 for (frame_no = 0; ; frame_no++) {
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42 rc = read_etsi_bits(inf, big_endian, input_bits,
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43 ETSI_DEC_NWORDS, infname);
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44 if (!rc)
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45 break;
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46 bits2frame(input_bits + 1, frame, infname, frame_no);
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47 printf("#%u: BFI=%u SID=%u TAF=%u LPC", frame_no,
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48 input_bits[0], input_bits[245], input_bits[246]);
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49 EFR_frame2params(frame, params);
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50 n = 0;
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51 for (i = 0; i < 5; i++)
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52 printf(" %d", params[n++]);
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53 putchar('\n');
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54 for (i = 0; i < 4; i++) {
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55 putchar(' ');
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56 for (j = 0; j < 13; j++)
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57 printf(" %d", params[n++]);
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58 putchar('\n');
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59 }
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60 }
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61 }