FreeCalypso > hg > gsm-codec-lib

annotate miscutil/gsmrec-dump.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 b5f8ea41362b
children
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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 <string.h>
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10 #include <strings.h>
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11 #include "../libgsmfr2/tw_gsmfr.h"
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12 #include "../libgsmefr/gsm_efr.h"
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13 #include "../libtest/binreader.h"
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14
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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 *binf;
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19 unsigned frame_index;
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20 uint8_t frame[BINFILE_MAX_FRAME];
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21 int16_t params[GSMFR_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 bin-stream-file\n", argv[0]);
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26 exit(1);
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27 }
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28 binf = fopen(argv[1], "r");
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29 if (!binf) {
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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_index = 0; ; frame_index++) {
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34 rc = binfile_read_frame(binf, frame);
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35 if (rc < 0) {
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36 fprintf(stderr, "error: garbage in %s\n", argv[1]);
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37 exit(1);
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38 }
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39 if (!rc)
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40 break;
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41 printf("#%u: ", frame_index);
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42 switch (frame[0] & 0xF0) {
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43 case 0xB0:
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44 printf("BFI TAF=%u\n", frame[1] & 1);
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45 break;
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46 case 0xC0:
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47 printf("EFR SID=%d LPC", EFR_sid_classify(frame));
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48 EFR_frame2params(frame, params);
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49 n = 0;
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50 for (i = 0; i < 5; i++)
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51 printf(" %d", params[n++]);
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52 if (!bcmp(frame, EFR_decoder_homing_frame,
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53 EFR_RTP_FRAME_LEN))
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54 fputs(" (DHF)", stdout);
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55 putchar('\n');
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56 for (i = 0; i < 4; i++) {
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57 putchar(' ');
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58 for (j = 0; j < 13; j++)
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59 printf(" %d", params[n++]);
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60 putchar('\n');
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61 }
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62 break;
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63 case 0xD0:
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64 printf("FR SID=%d", gsmfr_preproc_sid_classify(frame));
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65 gsmfr_unpack_to_array(frame, params);
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66 n = 0;
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67 for (i = 0; i < 8; i++)
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68 printf(" %d", params[n++]);
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69 if (!bcmp(frame, gsmfr_decoder_homing_frame,
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70 GSMFR_RTP_FRAME_LEN))
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71 fputs(" (DHF)", stdout);
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72 putchar('\n');
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73 for (i = 0; i < 4; i++) {
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74 putchar(' ');
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75 for (j = 0; j < 17; j++)
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76 printf(" %d", params[n++]);
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77 putchar('\n');
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78 }
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79 break;
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80 }
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81 }
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82 exit(0);
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83 }