FreeCalypso > hg > gsm-codec-lib
annotate amrconv/cod-parse.c @ 363:0349de7c45b7
libtwamr: integrate enc_lag[36].c
author | Mychaela Falconia <falcon@freecalypso.org> |
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date | Mon, 06 May 2024 02:46:19 +0000 |
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1 /* |
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2 * This program reads an ETSI/3GPP AMR *.cod file and parses it into |
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3 * a 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 "amr_defs.h" |
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12 |
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13 extern char *amr_mode_names[16]; |
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14 extern unsigned amr_bit_lengths[9]; |
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15 |
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16 static char *type_names[4] = { |
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17 "Speech", |
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18 "SID_FIRST", |
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19 "SID_UPDATE", |
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20 "NO_DATA" |
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21 }; |
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22 |
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23 main(argc, argv) |
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24 char **argv; |
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25 { |
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26 char *infname; |
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27 FILE *inf; |
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28 int big_endian; |
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29 unsigned frame_no, type, mode; |
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30 uint8_t input_bits[COD_FORMAT_NWORDS]; |
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31 uint16_t params[MAX_PRM_SIZE]; |
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32 int rc; |
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33 |
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34 if (argc == 2 && argv[1][0] != '-') { |
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35 big_endian = 0; |
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36 infname = argv[1]; |
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37 } else if (argc == 3 && !strcmp(argv[1], "-b")) { |
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38 big_endian = 1; |
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39 infname = argv[2]; |
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40 } else { |
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41 fprintf(stderr, "usage: %s [-b] file.cod\n", argv[0]); |
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42 exit(1); |
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43 } |
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44 inf = fopen(infname, "r"); |
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45 if (!inf) { |
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46 perror(infname); |
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47 exit(1); |
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48 } |
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49 for (frame_no = 0; ; frame_no++) { |
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50 rc = read_cod_bits(inf, big_endian, input_bits, infname); |
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51 if (!rc) |
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52 break; |
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53 type = input_bits[0]; |
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54 mode = input_bits[245]; |
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55 printf("#%u: Type=%u Mode=%u", frame_no, type, mode); |
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56 if (type == TX_NO_DATA) { |
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57 printf(" (NO_DATA)\n"); |
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58 continue; |
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59 } |
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60 if (type > TX_NO_DATA || mode > MR122) { |
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61 printf(" (unsupported)\n"); |
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62 continue; |
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63 } |
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64 printf(" (%s %s)\n", amr_mode_names[mode], type_names[type]); |
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65 switch (type) { |
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66 case TX_SPEECH_GOOD: |
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67 preen_frame_bits(input_bits+1, amr_bit_lengths[mode], |
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68 infname, frame_no); |
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69 reassemble_amr_params(input_bits+1, params, mode); |
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70 dump_amr_params(params, mode); |
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71 break; |
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72 case TX_SID_FIRST: |
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73 case TX_SID_UPDATE: |
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74 preen_frame_bits(input_bits+1, AMR_NBITS_SID, infname, |
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75 frame_no); |
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76 reassemble_amr_params(input_bits+1, params, MRDTX); |
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77 dump_amr_params(params, MRDTX); |
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78 break; |
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79 } |
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80 } |
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81 exit(0); |
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82 } |