FreeCalypso > hg > gsm-codec-lib

annotate miscutil/gsmrec-dump.c @ 23:baadb1cb744d

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new debug utility gsmrec-dump
author Mychaela Falconia <falcon@freecalypso.org>
date Sun, 20 Nov 2022 08:05:32 +0000
parents
children edd2e20e7090
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23
baadb1cb744d new debug utility gsmrec-dump
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1 /*
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2 * This program reads a binary file in our extended-libgsm format
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3 * and dumps all frames in human-readable form.
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4 */
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5
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6 #include <stdio.h>
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7 #include <stdint.h>
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8 #include <stdlib.h>
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9 #include <gsm.h>
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10 #include "../libtest/binreader.h"
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11
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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 FILE *binf;
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16 gsm dummy_state;
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17 unsigned frame_index;
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18 uint8_t frame[BINFILE_MAX_FRAME];
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19 gsm_signal fr_params[76];
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20 int rc, i, j, n;
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21
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22 if (argc != 2) {
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23 fprintf(stderr, "usage: %s bin-stream-file\n", argv[0]);
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24 exit(1);
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25 }
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26 binf = fopen(argv[1], "r");
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27 if (!binf) {
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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 dummy_state = gsm_create();
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32 if (!dummy_state) {
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33 fprintf(stderr, "gsm_create() failed!\n");
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34 exit(1);
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35 }
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36 for (frame_index = 0; ; frame_index++) {
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37 rc = binfile_read_frame(binf, frame);
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38 if (rc < 0) {
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39 fprintf(stderr, "error: garbage in %s\n", argv[1]);
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40 exit(1);
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41 }
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42 if (!rc)
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43 break;
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44 printf("#%u: ", frame_index);
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45 switch (frame[0] & 0xF0) {
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46 case 0xB0:
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47 printf("BFI TAF=%u\n", frame[1] & 1);
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48 break;
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49 case 0xC0:
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50 puts("EFR (decoding not implemented)");
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51 break;
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52 case 0xD0:
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53 fputs("FR", stdout);
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54 gsm_explode(dummy_state, frame, fr_params);
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55 n = 0;
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56 for (i = 0; i < 8; i++)
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57 printf(" %u", fr_params[n++]);
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58 putchar('\n');
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59 for (i = 0; i < 4; i++) {
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60 putchar(' ');
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61 for (j = 0; j < 17; j++)
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62 printf(" %u", fr_params[n++]);
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63 putchar('\n');
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64 }
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65 break;
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66 }
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67 }
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68 exit(0);
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69 }