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comparison sw/mcsi-rxtx/record.c @ 13:315428573a25

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fc-mcsi-rxtx: implement record function
author Mychaela Falconia <falcon@freecalypso.org>
date Mon, 28 Oct 2024 07:24:53 +0000
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12:23555b9a1c20 13:315428573a25
1 /*
2 * Here we implement the functionality of recording MCSI Rx streams
3 * into robe files.
4 */
5
6 #include <sys/types.h>
7 #include <stdio.h>
8 #include <stdlib.h>
9
10 extern u_short rx_pcm_samples[160];
11
12 static FILE *record_file;
13
14 void
15 record_process()
16 {
17 unsigned n, samp;
18
19 if (!record_file)
20 return;
21 for (n = 0; n < 160; n++) {
22 samp = rx_pcm_samples[n];
23 putc(samp >> 8, record_file);
24 putc(samp, record_file);
25 }
26 }
27
28 void
29 record_auto_stop()
30 {
31 if (!record_file)
32 return;
33 fclose(record_file);
34 record_file = 0;
35 }
36
37 void
38 cmd_record(argc, argv)
39 char **argv;
40 {
41 if (record_file) {
42 printf("error: recording already in progress\n");
43 return;
44 }
45 record_file = fopen(argv[1], "w");
46 if (!record_file)
47 perror(argv[1]);
48 }
49
50 void
51 cmd_record_stop()
52 {
53 if (!record_file) {
54 printf("error: no recording in progress\n");
55 return;
56 }
57 fclose(record_file);
58 record_file = 0;
59 }