FreeCalypso > hg > gsm-codec-lib
annotate frtest/preproc.c @ 272:19db59c9dc07
libgsmfr2: integrate table.c from libgsm
author | Mychaela Falconia <falcon@freecalypso.org> |
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date | Sun, 14 Apr 2024 02:36:08 +0000 |
parents | b722fcb52926 |
children | 18229558c8bf |
rev | line source |
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1 /* |
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2 * This utility reads an extended-libgsm file that may contain SID frames |
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3 * and BFI markers, passes it through our preprocessor and writes out |
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4 * pure libgsm frames. |
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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 "../libgsmfrp/gsm_fr_preproc.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 *bini, *bino; |
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17 struct gsmfr_preproc_state *pp_state; |
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18 uint8_t frame[BINFILE_MAX_FRAME]; |
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19 int rc, bfi, taf; |
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20 |
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21 if (argc != 3) { |
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22 fprintf(stderr, "usage: %s input.gsmx output.gsm\n", argv[0]); |
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23 exit(1); |
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24 } |
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25 bini = fopen(argv[1], "r"); |
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26 if (!bini) { |
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27 perror(argv[1]); |
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28 exit(1); |
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29 } |
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30 bino = fopen(argv[2], "w"); |
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31 if (!bino) { |
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32 perror(argv[2]); |
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33 exit(1); |
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34 } |
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35 pp_state = gsmfr_preproc_create(); |
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36 if (!pp_state) { |
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37 fprintf(stderr, "gsmfr_preproc_create() failed!\n"); |
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38 exit(1); |
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39 } |
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40 for (;;) { |
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41 rc = binfile_read_frame(bini, frame); |
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42 if (rc < 0) { |
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43 fprintf(stderr, "error: garbage in %s\n", argv[1]); |
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44 exit(1); |
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45 } |
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46 if (!rc) |
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47 break; |
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48 if (frame[0] == 0xBF) { |
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49 bfi = 1; |
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50 taf = frame[1] & 1; |
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51 } else if ((frame[0] & 0xF0) == 0xD0) |
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52 bfi = 0; |
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53 else { |
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54 fprintf(stderr, "error: %s is not in FR codec format\n", |
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55 argv[1]); |
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56 exit(1); |
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57 } |
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58 if (bfi) |
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59 gsmfr_preproc_bfi(pp_state, taf, frame); |
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60 else |
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61 gsmfr_preproc_good_frame(pp_state, frame); |
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62 fwrite(frame, 1, 33, bino); |
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63 } |
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64 fclose(bino); |
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65 exit(0); |
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66 } |