FreeCalypso > hg > gsm-codec-lib

annotate efrtest/dec-parse.c @ 146:0fa0cd251a31

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gsmefr-dec-parse: use factored-out ETSI bit reader
author Mychaela Falconia <falcon@freecalypso.org>
date Wed, 14 Dec 2022 08:05:08 +0000
parents 615f144b52c6
children 95d47a34070a
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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 FILE *inf;
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19 unsigned frame_no;
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20 uint8_t input_bits[ETSI_DEC_NWORDS], frame[EFR_RTP_FRAME_LEN];
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21 int16_t params[EFR_NUM_PARAMS];
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22 int rc, i, j, n;
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23
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24 if (argc != 2) {
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25 fprintf(stderr, "usage: %s file.dec\n", argv[0]);
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26 exit(1);
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27 }
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28 inf = fopen(argv[1], "r");
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29 if (!inf) {
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30 perror(argv[1]);
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31 exit(1);
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32 }
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33 for (frame_no = 0; ; frame_no++) {
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34 rc = read_etsi_bits(inf, 0, input_bits, ETSI_DEC_NWORDS,
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35 argv[1]);
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36 if (!rc)
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37 break;
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38 bits2frame(input_bits + 1, frame, argv[1], frame_no);
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39 printf("#%u: BFI=%u SID=%u TAF=%u LPC", frame_no,
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40 input_bits[0], input_bits[245], input_bits[246]);
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41 EFR_frame2params(frame, params);
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42 n = 0;
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43 for (i = 0; i < 5; i++)
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44 printf(" %d", params[n++]);
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45 putchar('\n');
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46 for (i = 0; i < 4; i++) {
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47 putchar(' ');
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48 for (j = 0; j < 13; j++)
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49 printf(" %d", params[n++]);
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50 putchar('\n');
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51 }
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52 }
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53 }