FreeCalypso > hg > gsm-codec-lib

annotate miscutil/gsmrec-dump.c @ 107:41f1ae68d253

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amr2efr & efr2amr cosmetic: cleaner approach to bit reshuffling
author Mychaela Falconia <falcon@freecalypso.org>
date Sun, 27 Nov 2022 21:02:07 +0000
parents edd2e20e7090
children a5ffec18e4cd
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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 "../libgsmefr/gsm_efr.h"
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11 #include "../libtest/binreader.h"
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12
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13 main(argc, argv)
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14 char **argv;
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15 {
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16 FILE *binf;
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17 gsm dummy_state;
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18 unsigned frame_index;
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19 uint8_t frame[BINFILE_MAX_FRAME];
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20 gsm_signal params[76];
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21 int rc, i, j, n;
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22
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23 if (argc != 2) {
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24 fprintf(stderr, "usage: %s bin-stream-file\n", argv[0]);
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25 exit(1);
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26 }
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27 binf = fopen(argv[1], "r");
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28 if (!binf) {
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29 perror(argv[1]);
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30 exit(1);
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31 }
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32 dummy_state = gsm_create();
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33 if (!dummy_state) {
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34 fprintf(stderr, "gsm_create() failed!\n");
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35 exit(1);
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36 }
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37 for (frame_index = 0; ; frame_index++) {
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38 rc = binfile_read_frame(binf, frame);
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39 if (rc < 0) {
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40 fprintf(stderr, "error: garbage in %s\n", argv[1]);
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41 exit(1);
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42 }
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43 if (!rc)
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44 break;
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45 printf("#%u: ", frame_index);
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46 switch (frame[0] & 0xF0) {
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47 case 0xB0:
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48 printf("BFI TAF=%u\n", frame[1] & 1);
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49 break;
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50 case 0xC0:
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51 printf("EFR SID=%d LPC", EFR_sid_classify(frame));
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52 EFR_frame2params(frame, params);
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53 n = 0;
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54 for (i = 0; i < 5; i++)
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55 printf(" %u", params[n++]);
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56 putchar('\n');
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57 for (i = 0; i < 4; i++) {
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58 putchar(' ');
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59 for (j = 0; j < 13; j++)
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60 printf(" %u", params[n++]);
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61 putchar('\n');
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62 }
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63 break;
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64 case 0xD0:
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65 fputs("FR", stdout);
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66 gsm_explode(dummy_state, frame, params);
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67 n = 0;
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68 for (i = 0; i < 8; i++)
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69 printf(" %u", params[n++]);
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70 putchar('\n');
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71 for (i = 0; i < 4; i++) {
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72 putchar(' ');
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73 for (j = 0; j < 17; j++)
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74 printf(" %u", params[n++]);
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75 putchar('\n');
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76 }
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77 break;
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78 }
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79 }
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80 exit(0);
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81 }