FreeCalypso > hg > freecalypso-tools

annotate tchtools/fc-vm2gsmx.c @ 960:411d1cc14326

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
sms-pdu-decode family: prepare for SC address becoming optional
author Mychaela Falconia <falcon@freecalypso.org>
date Fri, 04 Aug 2023 23:09:12 +0000
parents 546bf873ccc8
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
170
a72bbc3ace09 fc-vm2hex utility written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
1 /*
904
5041bcb8140f tchtools/fc-vm2hex.c: update header comment for new situation
Mychaela Falconia <falcon@freecalypso.org>
parents: 902
diff changeset
2 * This utility converts old-fashioned (non-AMR) TCS211 voice memo files
905
546bf873ccc8 tchtools: new program fc-vm2gsmx
Mychaela Falconia <falcon@freecalypso.org>
parents: 904
diff changeset
3 * read out of FFS into Themyscira Wireless gsmx (extended-libgsm) format,
546bf873ccc8 tchtools: new program fc-vm2gsmx
Mychaela Falconia <falcon@freecalypso.org>
parents: 904
diff changeset
4 * allowing further decoding into playable speech with gsmfr-decode.
170
a72bbc3ace09 fc-vm2hex utility written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
5 */
a72bbc3ace09 fc-vm2hex utility written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
6
a72bbc3ace09 fc-vm2hex utility written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
7 #include <sys/types.h>
a72bbc3ace09 fc-vm2hex utility written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
8 #include <stdio.h>
a72bbc3ace09 fc-vm2hex utility written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
9 #include <stdlib.h>
a72bbc3ace09 fc-vm2hex utility written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
10
905
546bf873ccc8 tchtools: new program fc-vm2gsmx
Mychaela Falconia <falcon@freecalypso.org>
parents: 904
diff changeset
11 static char *infname;
546bf873ccc8 tchtools: new program fc-vm2gsmx
Mychaela Falconia <falcon@freecalypso.org>
parents: 904
diff changeset
12 static FILE *inf, *outf;
546bf873ccc8 tchtools: new program fc-vm2gsmx
Mychaela Falconia <falcon@freecalypso.org>
parents: 904
diff changeset
13 static u_long file_offset;
546bf873ccc8 tchtools: new program fc-vm2gsmx
Mychaela Falconia <falcon@freecalypso.org>
parents: 904
diff changeset
14
546bf873ccc8 tchtools: new program fc-vm2gsmx
Mychaela Falconia <falcon@freecalypso.org>
parents: 904
diff changeset
15 static const u_char bfi_marker[2] = {0xBF, 0x00};
170
a72bbc3ace09 fc-vm2hex utility written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
16
a72bbc3ace09 fc-vm2hex utility written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
17 static unsigned
a72bbc3ace09 fc-vm2hex utility written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
18 get_word()
a72bbc3ace09 fc-vm2hex utility written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
19 {
a72bbc3ace09 fc-vm2hex utility written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
20 u_char b[2];
a72bbc3ace09 fc-vm2hex utility written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
21 int i, c;
a72bbc3ace09 fc-vm2hex utility written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
22
a72bbc3ace09 fc-vm2hex utility written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
23 for (i = 0; i < 2; i++) {
a72bbc3ace09 fc-vm2hex utility written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
24 c = getc(inf);
a72bbc3ace09 fc-vm2hex utility written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
25 if (c < 0) {
a72bbc3ace09 fc-vm2hex utility written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
26 fprintf(stderr, "error: premature EOF in %s\n",
a72bbc3ace09 fc-vm2hex utility written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
27 infname);
a72bbc3ace09 fc-vm2hex utility written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
28 exit(1);
a72bbc3ace09 fc-vm2hex utility written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
29 }
a72bbc3ace09 fc-vm2hex utility written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
30 b[i] = c;
905
546bf873ccc8 tchtools: new program fc-vm2gsmx
Mychaela Falconia <falcon@freecalypso.org>
parents: 904
diff changeset
31 file_offset++;
170
a72bbc3ace09 fc-vm2hex utility written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
32 }
a72bbc3ace09 fc-vm2hex utility written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
33 return((b[1] << 8) | b[0]);
a72bbc3ace09 fc-vm2hex utility written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
34 }
a72bbc3ace09 fc-vm2hex utility written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
35
905
546bf873ccc8 tchtools: new program fc-vm2gsmx
Mychaela Falconia <falcon@freecalypso.org>
parents: 904
diff changeset
36 static void
546bf873ccc8 tchtools: new program fc-vm2gsmx
Mychaela Falconia <falcon@freecalypso.org>
parents: 904
diff changeset
37 read_dsp_bytes(bytes)
546bf873ccc8 tchtools: new program fc-vm2gsmx
Mychaela Falconia <falcon@freecalypso.org>
parents: 904
diff changeset
38 u_char *bytes;
170
a72bbc3ace09 fc-vm2hex utility written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
39 {
a72bbc3ace09 fc-vm2hex utility written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
40 int i, dp;
a72bbc3ace09 fc-vm2hex utility written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
41 unsigned word;
a72bbc3ace09 fc-vm2hex utility written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
42
a72bbc3ace09 fc-vm2hex utility written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
43 dp = 0;
a72bbc3ace09 fc-vm2hex utility written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
44 for (i = 0; i < 17; i++) {
a72bbc3ace09 fc-vm2hex utility written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
45 word = get_word();
a72bbc3ace09 fc-vm2hex utility written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
46 bytes[dp++] = word >> 8;
a72bbc3ace09 fc-vm2hex utility written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
47 bytes[dp++] = word;
a72bbc3ace09 fc-vm2hex utility written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
48 }
905
546bf873ccc8 tchtools: new program fc-vm2gsmx
Mychaela Falconia <falcon@freecalypso.org>
parents: 904
diff changeset
49 }
546bf873ccc8 tchtools: new program fc-vm2gsmx
Mychaela Falconia <falcon@freecalypso.org>
parents: 904
diff changeset
50
546bf873ccc8 tchtools: new program fc-vm2gsmx
Mychaela Falconia <falcon@freecalypso.org>
parents: 904
diff changeset
51 static void
546bf873ccc8 tchtools: new program fc-vm2gsmx
Mychaela Falconia <falcon@freecalypso.org>
parents: 904
diff changeset
52 convert_speech_sample()
546bf873ccc8 tchtools: new program fc-vm2gsmx
Mychaela Falconia <falcon@freecalypso.org>
parents: 904
diff changeset
53 {
546bf873ccc8 tchtools: new program fc-vm2gsmx
Mychaela Falconia <falcon@freecalypso.org>
parents: 904
diff changeset
54 u_char tidsp_bytes[34], libgsm_bytes[33];
546bf873ccc8 tchtools: new program fc-vm2gsmx
Mychaela Falconia <falcon@freecalypso.org>
parents: 904
diff changeset
55
546bf873ccc8 tchtools: new program fc-vm2gsmx
Mychaela Falconia <falcon@freecalypso.org>
parents: 904
diff changeset
56 read_dsp_bytes(tidsp_bytes);
546bf873ccc8 tchtools: new program fc-vm2gsmx
Mychaela Falconia <falcon@freecalypso.org>
parents: 904
diff changeset
57 gsm0610_tidsp_to_libgsm(tidsp_bytes, libgsm_bytes);
546bf873ccc8 tchtools: new program fc-vm2gsmx
Mychaela Falconia <falcon@freecalypso.org>
parents: 904
diff changeset
58 fwrite(libgsm_bytes, 1, 33, outf);
170
a72bbc3ace09 fc-vm2hex utility written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
59 }
a72bbc3ace09 fc-vm2hex utility written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
60
a72bbc3ace09 fc-vm2hex utility written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
61 main(argc, argv)
a72bbc3ace09 fc-vm2hex utility written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
62 char **argv;
a72bbc3ace09 fc-vm2hex utility written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
63 {
a72bbc3ace09 fc-vm2hex utility written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
64 unsigned first_word;
a72bbc3ace09 fc-vm2hex utility written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
65
905
546bf873ccc8 tchtools: new program fc-vm2gsmx
Mychaela Falconia <falcon@freecalypso.org>
parents: 904
diff changeset
66 if (argc != 3) {
546bf873ccc8 tchtools: new program fc-vm2gsmx
Mychaela Falconia <falcon@freecalypso.org>
parents: 904
diff changeset
67 fprintf(stderr, "usage: %s infile outfile\n", argv[0]);
170
a72bbc3ace09 fc-vm2hex utility written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
68 exit(1);
a72bbc3ace09 fc-vm2hex utility written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
69 }
a72bbc3ace09 fc-vm2hex utility written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
70 infname = argv[1];
a72bbc3ace09 fc-vm2hex utility written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
71 inf = fopen(infname, "r");
a72bbc3ace09 fc-vm2hex utility written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
72 if (!inf) {
a72bbc3ace09 fc-vm2hex utility written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
73 perror(infname);
a72bbc3ace09 fc-vm2hex utility written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
74 exit(1);
a72bbc3ace09 fc-vm2hex utility written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
75 }
905
546bf873ccc8 tchtools: new program fc-vm2gsmx
Mychaela Falconia <falcon@freecalypso.org>
parents: 904
diff changeset
76 outf = fopen(argv[2], "w");
546bf873ccc8 tchtools: new program fc-vm2gsmx
Mychaela Falconia <falcon@freecalypso.org>
parents: 904
diff changeset
77 if (!outf) {
546bf873ccc8 tchtools: new program fc-vm2gsmx
Mychaela Falconia <falcon@freecalypso.org>
parents: 904
diff changeset
78 perror(argv[2]);
546bf873ccc8 tchtools: new program fc-vm2gsmx
Mychaela Falconia <falcon@freecalypso.org>
parents: 904
diff changeset
79 exit(1);
546bf873ccc8 tchtools: new program fc-vm2gsmx
Mychaela Falconia <falcon@freecalypso.org>
parents: 904
diff changeset
80 }
170
a72bbc3ace09 fc-vm2hex utility written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
81 for (;;) {
a72bbc3ace09 fc-vm2hex utility written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
82 first_word = get_word();
a72bbc3ace09 fc-vm2hex utility written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
83 if (first_word == 0xFBFF) /* SC_VM_END_MASK */
a72bbc3ace09 fc-vm2hex utility written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
84 break;
905
546bf873ccc8 tchtools: new program fc-vm2gsmx
Mychaela Falconia <falcon@freecalypso.org>
parents: 904
diff changeset
85 if ((first_word & 0xB7FF) == 0x8400) {
546bf873ccc8 tchtools: new program fc-vm2gsmx
Mychaela Falconia <falcon@freecalypso.org>
parents: 904
diff changeset
86 /* skip dummy header words 1 and 2 */
546bf873ccc8 tchtools: new program fc-vm2gsmx
Mychaela Falconia <falcon@freecalypso.org>
parents: 904
diff changeset
87 get_word();
546bf873ccc8 tchtools: new program fc-vm2gsmx
Mychaela Falconia <falcon@freecalypso.org>
parents: 904
diff changeset
88 get_word();
546bf873ccc8 tchtools: new program fc-vm2gsmx
Mychaela Falconia <falcon@freecalypso.org>
parents: 904
diff changeset
89 /* process the actual speech or SID frame */
170
a72bbc3ace09 fc-vm2hex utility written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
90 convert_speech_sample();
905
546bf873ccc8 tchtools: new program fc-vm2gsmx
Mychaela Falconia <falcon@freecalypso.org>
parents: 904
diff changeset
91 } else if (first_word == 0x0400) {
546bf873ccc8 tchtools: new program fc-vm2gsmx
Mychaela Falconia <falcon@freecalypso.org>
parents: 904
diff changeset
92 /* it's a skipped frame, aka BFI */
546bf873ccc8 tchtools: new program fc-vm2gsmx
Mychaela Falconia <falcon@freecalypso.org>
parents: 904
diff changeset
93 fwrite(bfi_marker, 1, 2, outf);
546bf873ccc8 tchtools: new program fc-vm2gsmx
Mychaela Falconia <falcon@freecalypso.org>
parents: 904
diff changeset
94 } else {
546bf873ccc8 tchtools: new program fc-vm2gsmx
Mychaela Falconia <falcon@freecalypso.org>
parents: 904
diff changeset
95 fprintf(stderr,
546bf873ccc8 tchtools: new program fc-vm2gsmx
Mychaela Falconia <falcon@freecalypso.org>
parents: 904
diff changeset
96 "error in %s at offset 0x%lx: invalid frame header word 0x%04X\n",
546bf873ccc8 tchtools: new program fc-vm2gsmx
Mychaela Falconia <falcon@freecalypso.org>
parents: 904
diff changeset
97 infname, file_offset, first_word);
546bf873ccc8 tchtools: new program fc-vm2gsmx
Mychaela Falconia <falcon@freecalypso.org>
parents: 904
diff changeset
98 exit(1);
170
a72bbc3ace09 fc-vm2hex utility written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
99 }
a72bbc3ace09 fc-vm2hex utility written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
100 }
905
546bf873ccc8 tchtools: new program fc-vm2gsmx
Mychaela Falconia <falcon@freecalypso.org>
parents: 904
diff changeset
101 fclose(outf);
170
a72bbc3ace09 fc-vm2hex utility written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
102 exit(0);
a72bbc3ace09 fc-vm2hex utility written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
103 }