FreeCalypso > hg > vband-misc

annotate amrdiff/amrdiff.c @ 11:1d22e3f81531

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ringing: generate FR-encoded and EFR-encoded "recordings" for GSM
author Mychaela Falconia <falcon@freecalypso.org>
date Sun, 07 Apr 2024 19:21:23 +0000
parents b55451463161
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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0
a03c87a2abc6 amrdiff program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
1 /*
a03c87a2abc6 amrdiff program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
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2 * This program reads two ETSI/3GPP test sequence files, one from
a03c87a2abc6 amrdiff program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
3 * the AMR set of 3GPP TS 26.074 and the other from the "EFR2" set of
a03c87a2abc6 amrdiff program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
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4 * amr122_efr.zip, and performs a diff between them.
a03c87a2abc6 amrdiff program written
Mychaela Falconia <falcon@freecalypso.org>
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5 */
a03c87a2abc6 amrdiff program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
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6
a03c87a2abc6 amrdiff program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
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7 #include <stdio.h>
a03c87a2abc6 amrdiff program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
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8 #include <stdint.h>
a03c87a2abc6 amrdiff program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
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9 #include <stdlib.h>
a03c87a2abc6 amrdiff program written
Mychaela Falconia <falcon@freecalypso.org>
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10 #include <string.h>
a03c87a2abc6 amrdiff program written
Mychaela Falconia <falcon@freecalypso.org>
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11 #include <strings.h>
a03c87a2abc6 amrdiff program written
Mychaela Falconia <falcon@freecalypso.org>
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12 #include "etsi.h"
a03c87a2abc6 amrdiff program written
Mychaela Falconia <falcon@freecalypso.org>
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13 #include "amr_defs.h"
a03c87a2abc6 amrdiff program written
Mychaela Falconia <falcon@freecalypso.org>
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14
6
b55451463161 amrdiff: recognize DHF transform
Mychaela Falconia <falcon@freecalypso.org>
parents: 0
diff changeset
15 const uint8_t amr122_dhf_bits[244] = {
b55451463161 amrdiff: recognize DHF transform
Mychaela Falconia <falcon@freecalypso.org>
parents: 0
diff changeset
16 0,0,0,0,1,0,0,0,0,1,0,1,0,1,0,0,1,1,0,1,1,0,1,1,1,0,0,1,0,1,1,0,1,0,1,0,1,0,1,0,
b55451463161 amrdiff: recognize DHF transform
Mychaela Falconia <falcon@freecalypso.org>
parents: 0
diff changeset
17 1,0,1,0,1,1,0,1,0,1,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
b55451463161 amrdiff: recognize DHF transform
Mychaela Falconia <falcon@freecalypso.org>
parents: 0
diff changeset
18 0,0,0,0,0,0,0,0,0,0,0,1,1,0,1,1,0,1,0,1,1,0,0,0,0,1,1,1,1,1,1,1,0,1,1,0,0,1,1,0,
b55451463161 amrdiff: recognize DHF transform
Mychaela Falconia <falcon@freecalypso.org>
parents: 0
diff changeset
19 1,0,0,0,0,0,1,1,0,1,1,1,1,0,0,1,0,1,0,0,0,0,0,0,1,0,0,1,0,0,0,0,0,0,0,0,0,1,0,0,
b55451463161 amrdiff: recognize DHF transform
Mychaela Falconia <falcon@freecalypso.org>
parents: 0
diff changeset
20 0,0,0,1,0,1,0,1,1,0,0,0,0,1,0,1,0,1,0,0,1,1,1,1,0,0,0,1,0,0,0,0,1,1,1,1,0,1,1,0,
b55451463161 amrdiff: recognize DHF transform
Mychaela Falconia <falcon@freecalypso.org>
parents: 0
diff changeset
21 1,0,1,1,0,0,0,0,0,0,1,0,0,1,0,0,0,0,0,0,0,0,1,1,1,1,0,0,0,1,1,1,1,1,1,0,1,0,1,0,
b55451463161 amrdiff: recognize DHF transform
Mychaela Falconia <falcon@freecalypso.org>
parents: 0
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22 0,0,0,0
b55451463161 amrdiff: recognize DHF transform
Mychaela Falconia <falcon@freecalypso.org>
parents: 0
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23 };
b55451463161 amrdiff: recognize DHF transform
Mychaela Falconia <falcon@freecalypso.org>
parents: 0
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24
b55451463161 amrdiff: recognize DHF transform
Mychaela Falconia <falcon@freecalypso.org>
parents: 0
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25 const uint8_t efr_dhf_bits[244] = {
b55451463161 amrdiff: recognize DHF transform
Mychaela Falconia <falcon@freecalypso.org>
parents: 0
diff changeset
26 0,0,0,0,1,0,0,0,0,1,0,1,1,1,1,0,1,0,1,1,0,1,0,0,1,0,0,1,0,0,0,0,1,1,1,1,1,0,1,0,
b55451463161 amrdiff: recognize DHF transform
Mychaela Falconia <falcon@freecalypso.org>
parents: 0
diff changeset
27 1,0,1,0,1,1,0,1,0,1,1,0,0,0,0,0,0,0,1,1,1,1,1,0,0,0,1,1,1,0,1,0,0,0,0,1,1,0,0,0,
b55451463161 amrdiff: recognize DHF transform
Mychaela Falconia <falcon@freecalypso.org>
parents: 0
diff changeset
28 0,1,1,0,0,0,0,0,0,1,1,1,1,0,1,1,0,0,0,0,1,1,0,0,0,1,0,0,0,0,1,0,1,1,0,0,0,0,0,0,
b55451463161 amrdiff: recognize DHF transform
Mychaela Falconia <falcon@freecalypso.org>
parents: 0
diff changeset
29 1,0,0,0,0,0,0,0,0,1,0,0,1,0,0,0,0,0,0,0,0,1,0,1,0,1,0,1,1,0,0,0,0,0,0,0,0,0,0,0,
b55451463161 amrdiff: recognize DHF transform
Mychaela Falconia <falcon@freecalypso.org>
parents: 0
diff changeset
30 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,1,0,1,1,0,
b55451463161 amrdiff: recognize DHF transform
Mychaela Falconia <falcon@freecalypso.org>
parents: 0
diff changeset
31 1,0,1,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
b55451463161 amrdiff: recognize DHF transform
Mychaela Falconia <falcon@freecalypso.org>
parents: 0
diff changeset
32 0,0,0,0,
b55451463161 amrdiff: recognize DHF transform
Mychaela Falconia <falcon@freecalypso.org>
parents: 0
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33 };
b55451463161 amrdiff: recognize DHF transform
Mychaela Falconia <falcon@freecalypso.org>
parents: 0
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34
0
a03c87a2abc6 amrdiff program written
Mychaela Falconia <falcon@freecalypso.org>
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35 main(argc, argv)
a03c87a2abc6 amrdiff program written
Mychaela Falconia <falcon@freecalypso.org>
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36 char **argv;
a03c87a2abc6 amrdiff program written
Mychaela Falconia <falcon@freecalypso.org>
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37 {
a03c87a2abc6 amrdiff program written
Mychaela Falconia <falcon@freecalypso.org>
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38 char *amr_filename, *efr_filename;
a03c87a2abc6 amrdiff program written
Mychaela Falconia <falcon@freecalypso.org>
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39 int amr_be, efr_be;
a03c87a2abc6 amrdiff program written
Mychaela Falconia <falcon@freecalypso.org>
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40 FILE *inf_amr, *inf_efr;
a03c87a2abc6 amrdiff program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
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41 unsigned frame_no;
a03c87a2abc6 amrdiff program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
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42 uint8_t amr_bits[COD_FORMAT_NWORDS], efr_bits[ETSI_ENC_NWORDS];
a03c87a2abc6 amrdiff program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
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43 int rc_amr, rc_efr, amr_sp, efr_sp;
a03c87a2abc6 amrdiff program written
Mychaela Falconia <falcon@freecalypso.org>
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44
a03c87a2abc6 amrdiff program written
Mychaela Falconia <falcon@freecalypso.org>
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45 if (argc != 5) {
a03c87a2abc6 amrdiff program written
Mychaela Falconia <falcon@freecalypso.org>
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46 usage: fprintf(stderr,
a03c87a2abc6 amrdiff program written
Mychaela Falconia <falcon@freecalypso.org>
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47 "usage: %s amr-cod-file be|le efr-cod-file be|le\n",
a03c87a2abc6 amrdiff program written
Mychaela Falconia <falcon@freecalypso.org>
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48 argv[0]);
a03c87a2abc6 amrdiff program written
Mychaela Falconia <falcon@freecalypso.org>
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49 exit(1);
a03c87a2abc6 amrdiff program written
Mychaela Falconia <falcon@freecalypso.org>
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50 }
a03c87a2abc6 amrdiff program written
Mychaela Falconia <falcon@freecalypso.org>
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51 amr_filename = argv[1];
a03c87a2abc6 amrdiff program written
Mychaela Falconia <falcon@freecalypso.org>
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52 if (!strcmp(argv[2], "be"))
a03c87a2abc6 amrdiff program written
Mychaela Falconia <falcon@freecalypso.org>
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53 amr_be = 1;
a03c87a2abc6 amrdiff program written
Mychaela Falconia <falcon@freecalypso.org>
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54 else if (!strcmp(argv[2], "le"))
a03c87a2abc6 amrdiff program written
Mychaela Falconia <falcon@freecalypso.org>
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55 amr_be = 0;
a03c87a2abc6 amrdiff program written
Mychaela Falconia <falcon@freecalypso.org>
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56 else
a03c87a2abc6 amrdiff program written
Mychaela Falconia <falcon@freecalypso.org>
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57 goto usage;
a03c87a2abc6 amrdiff program written
Mychaela Falconia <falcon@freecalypso.org>
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58 efr_filename = argv[3];
a03c87a2abc6 amrdiff program written
Mychaela Falconia <falcon@freecalypso.org>
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59 if (!strcmp(argv[4], "be"))
a03c87a2abc6 amrdiff program written
Mychaela Falconia <falcon@freecalypso.org>
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60 efr_be = 1;
a03c87a2abc6 amrdiff program written
Mychaela Falconia <falcon@freecalypso.org>
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61 else if (!strcmp(argv[4], "le"))
a03c87a2abc6 amrdiff program written
Mychaela Falconia <falcon@freecalypso.org>
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62 efr_be = 0;
a03c87a2abc6 amrdiff program written
Mychaela Falconia <falcon@freecalypso.org>
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63 else
a03c87a2abc6 amrdiff program written
Mychaela Falconia <falcon@freecalypso.org>
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64 goto usage;
a03c87a2abc6 amrdiff program written
Mychaela Falconia <falcon@freecalypso.org>
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65 inf_amr = fopen(amr_filename, "r");
a03c87a2abc6 amrdiff program written
Mychaela Falconia <falcon@freecalypso.org>
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66 if (!inf_amr) {
a03c87a2abc6 amrdiff program written
Mychaela Falconia <falcon@freecalypso.org>
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67 perror(amr_filename);
a03c87a2abc6 amrdiff program written
Mychaela Falconia <falcon@freecalypso.org>
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68 exit(1);
a03c87a2abc6 amrdiff program written
Mychaela Falconia <falcon@freecalypso.org>
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69 }
a03c87a2abc6 amrdiff program written
Mychaela Falconia <falcon@freecalypso.org>
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70 inf_efr = fopen(efr_filename, "r");
a03c87a2abc6 amrdiff program written
Mychaela Falconia <falcon@freecalypso.org>
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71 if (!inf_efr) {
a03c87a2abc6 amrdiff program written
Mychaela Falconia <falcon@freecalypso.org>
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72 perror(efr_filename);
a03c87a2abc6 amrdiff program written
Mychaela Falconia <falcon@freecalypso.org>
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73 exit(1);
a03c87a2abc6 amrdiff program written
Mychaela Falconia <falcon@freecalypso.org>
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74 }
a03c87a2abc6 amrdiff program written
Mychaela Falconia <falcon@freecalypso.org>
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75 for (frame_no = 0; ; frame_no++) {
a03c87a2abc6 amrdiff program written
Mychaela Falconia <falcon@freecalypso.org>
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76 rc_amr = read_etsi_bits(inf_amr, amr_be, amr_bits,
a03c87a2abc6 amrdiff program written
Mychaela Falconia <falcon@freecalypso.org>
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77 COD_FORMAT_NWORDS, amr_filename);
a03c87a2abc6 amrdiff program written
Mychaela Falconia <falcon@freecalypso.org>
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78 rc_efr = read_etsi_bits(inf_efr, efr_be, efr_bits,
a03c87a2abc6 amrdiff program written
Mychaela Falconia <falcon@freecalypso.org>
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79 ETSI_ENC_NWORDS, efr_filename);
a03c87a2abc6 amrdiff program written
Mychaela Falconia <falcon@freecalypso.org>
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80 if (!rc_amr && !rc_efr)
a03c87a2abc6 amrdiff program written
Mychaela Falconia <falcon@freecalypso.org>
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81 break;
a03c87a2abc6 amrdiff program written
Mychaela Falconia <falcon@freecalypso.org>
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82 if (!rc_amr) {
a03c87a2abc6 amrdiff program written
Mychaela Falconia <falcon@freecalypso.org>
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83 printf("EFR file %s is longer than AMR file %s\n",
a03c87a2abc6 amrdiff program written
Mychaela Falconia <falcon@freecalypso.org>
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84 efr_filename, amr_filename);
a03c87a2abc6 amrdiff program written
Mychaela Falconia <falcon@freecalypso.org>
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85 exit(0);
a03c87a2abc6 amrdiff program written
Mychaela Falconia <falcon@freecalypso.org>
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86 }
a03c87a2abc6 amrdiff program written
Mychaela Falconia <falcon@freecalypso.org>
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87 if (!rc_efr) {
a03c87a2abc6 amrdiff program written
Mychaela Falconia <falcon@freecalypso.org>
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88 printf("AMR file %s is longer than EFR file %s\n",
a03c87a2abc6 amrdiff program written
Mychaela Falconia <falcon@freecalypso.org>
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89 amr_filename, efr_filename);
a03c87a2abc6 amrdiff program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
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90 exit(0);
a03c87a2abc6 amrdiff program written
Mychaela Falconia <falcon@freecalypso.org>
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91 }
a03c87a2abc6 amrdiff program written
Mychaela Falconia <falcon@freecalypso.org>
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92 /* grok AMR frame type */
a03c87a2abc6 amrdiff program written
Mychaela Falconia <falcon@freecalypso.org>
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93 switch (amr_bits[0]) {
a03c87a2abc6 amrdiff program written
Mychaela Falconia <falcon@freecalypso.org>
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94 case TX_SPEECH_GOOD:
a03c87a2abc6 amrdiff program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
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95 if (amr_bits[245] != MR122) {
a03c87a2abc6 amrdiff program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
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96 fprintf(stderr,
a03c87a2abc6 amrdiff program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
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97 "error: %s frame #%u is not MR122\n",
a03c87a2abc6 amrdiff program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
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98 amr_filename, frame_no);
a03c87a2abc6 amrdiff program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
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99 exit(1);
a03c87a2abc6 amrdiff program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
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100 }
a03c87a2abc6 amrdiff program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
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101 amr_sp = 1;
a03c87a2abc6 amrdiff program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
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102 break;
a03c87a2abc6 amrdiff program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
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103 case TX_SID_FIRST:
a03c87a2abc6 amrdiff program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
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104 case TX_SID_UPDATE:
a03c87a2abc6 amrdiff program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
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105 case TX_NO_DATA:
a03c87a2abc6 amrdiff program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
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106 amr_sp = 0;
a03c87a2abc6 amrdiff program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
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107 break;
a03c87a2abc6 amrdiff program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
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108 default:
a03c87a2abc6 amrdiff program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
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109 fprintf(stderr,
a03c87a2abc6 amrdiff program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
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110 "error: %s frame #%u has unknown type %u\n",
a03c87a2abc6 amrdiff program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
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111 amr_filename, frame_no, amr_bits[0]);
a03c87a2abc6 amrdiff program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
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112 exit(1);
a03c87a2abc6 amrdiff program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
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113 }
a03c87a2abc6 amrdiff program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
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114 efr_sp = efr_bits[245];
a03c87a2abc6 amrdiff program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
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115 if (!amr_sp && !efr_sp)
a03c87a2abc6 amrdiff program written
Mychaela Falconia <falcon@freecalypso.org>
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116 continue;
a03c87a2abc6 amrdiff program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
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117 if (!amr_sp || !efr_sp) {
a03c87a2abc6 amrdiff program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
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118 printf("frame #%u: AMR SP %d != EFR SP %d\n", frame_no,
a03c87a2abc6 amrdiff program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
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119 amr_sp, efr_sp);
a03c87a2abc6 amrdiff program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
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120 continue;
a03c87a2abc6 amrdiff program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
121 }
6
b55451463161 amrdiff: recognize DHF transform
Mychaela Falconia <falcon@freecalypso.org>
parents: 0
diff changeset
122 if (!bcmp(amr_bits+1, efr_bits, 244))
b55451463161 amrdiff: recognize DHF transform
Mychaela Falconia <falcon@freecalypso.org>
parents: 0
diff changeset
123 continue;
b55451463161 amrdiff: recognize DHF transform
Mychaela Falconia <falcon@freecalypso.org>
parents: 0
diff changeset
124 if (!bcmp(amr_bits+1, amr122_dhf_bits, 244) &&
b55451463161 amrdiff: recognize DHF transform
Mychaela Falconia <falcon@freecalypso.org>
parents: 0
diff changeset
125 !bcmp(efr_bits, efr_dhf_bits, 244))
b55451463161 amrdiff: recognize DHF transform
Mychaela Falconia <falcon@freecalypso.org>
parents: 0
diff changeset
126 printf("frame #%u: DHF transform\n", frame_no);
b55451463161 amrdiff: recognize DHF transform
Mychaela Falconia <falcon@freecalypso.org>
parents: 0
diff changeset
127 else
0
a03c87a2abc6 amrdiff program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
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128 printf("frame #%u: bits differ\n", frame_no);
a03c87a2abc6 amrdiff program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
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129 }
a03c87a2abc6 amrdiff program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
130 exit(0);
a03c87a2abc6 amrdiff program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
131 }