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comparison rvinterf/asyncshell/tchrec.c @ 0:e7502631a0f9

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initial import from freecalypso-sw rev 1033:5ab737ac3ad7
author Mychaela Falconia <falcon@freecalypso.org>
date Sat, 11 Jun 2016 00:13:35 +0000
parents
children 971906d7763d
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-1:000000000000 0:e7502631a0f9
1 /*
2 * TCH downlink recording functionality
3 */
4
5 #include <sys/types.h>
6 #include <stdio.h>
7 #include <string.h>
8 #include <strings.h>
9 #include <stdlib.h>
10 #include "pktmux.h"
11 #include "tch_feature.h"
12
13 extern u_char rvi_msg[];
14 extern int rvi_msg_len;
15
16 static FILE *gsm_data_file;
17 static u_long frame_count;
18
19 void
20 tch_dlbits_handler()
21 {
22 u_char writebytes[33];
23
24 if (!gsm_data_file)
25 return;
26 gsm0610_tidsp_to_libgsm(rvi_msg + 9, writebytes);
27 fwrite(writebytes, 1, 33, gsm_data_file);
28 frame_count++;
29 }
30
31 static void
32 cmd_tch_record_start(filename)
33 char *filename;
34 {
35 if (gsm_data_file) {
36 printf("error: tch record session already in progress\n");
37 return;
38 }
39 gsm_data_file = fopen(filename, "w");
40 if (!gsm_data_file) {
41 perror(filename);
42 return;
43 }
44 printf("Starting TCH DL recording\n");
45 tch_rx_control(1);
46 send_tch_config_req(1);
47 frame_count = 0;
48 }
49
50 static void
51 cmd_tch_record_stop()
52 {
53 if (!gsm_data_file) {
54 printf("error: no tch record session in progress\n");
55 return;
56 }
57 fclose(gsm_data_file);
58 gsm_data_file = 0;
59 printf("TCH DL recording stopped, captured %lu speech frames\n",
60 frame_count);
61 send_tch_config_req(0);
62 }
63
64 void
65 cmd_tch_record(argc, argv)
66 char **argv;
67 {
68 if (argc < 2) {
69 printf("error: too few arguments\n");
70 return;
71 }
72 if (strcmp(argv[1], "stop"))
73 cmd_tch_record_start(argv[1]);
74 else
75 cmd_tch_record_stop();
76 }
77
78 void
79 show_tch_record_status()
80 {
81 printf("TCH DL recording: %s\n",
82 gsm_data_file ? "RUNNING" : "not running");
83 }