1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
|
#include <stdio.h>
#include <unistd.h>
#include <string.h>
#include <errno.h>
#include "polyplib-simple.h"
#include "polyplib-error.h"
#define BUFSIZE 1024
static ssize_t loop_write(int fd, const void*data, size_t size) {
ssize_t ret = 0;
while (size > 0) {
ssize_t r;
if ((r = write(fd, data, size)) < 0)
return r;
if (r == 0)
break;
ret += r;
data += r;
size -= r;
}
return ret;
}
int main(int argc, char*argv[]) {
static const struct pa_sample_spec ss = {
.format = PA_SAMPLE_S16LE,
.rate = 44100,
.channels = 2
};
struct pa_simple *s = NULL;
int ret = 1;
int error;
if (!(s = pa_simple_new(NULL, argv[0], PA_STREAM_RECORD, NULL, "record", &ss, NULL, &error))) {
fprintf(stderr, __FILE__": pa_simple_new() failed: %s\n", pa_strerror(error));
goto finish;
}
for (;;) {
uint8_t buf[BUFSIZE];
ssize_t r;
if (pa_simple_read(s, buf, sizeof(buf), &error) < 0) {
fprintf(stderr, __FILE__": pa_simple_read() failed: %s\n", pa_strerror(error));
goto finish;
}
if ((r = loop_write(STDOUT_FILENO, buf, sizeof(buf))) <= 0) {
fprintf(stderr, __FILE__": write() failed: %s\n", strerror(errno));
goto finish;
}
}
ret = 0;
finish:
if (s)
pa_simple_free(s);
return ret;
}
|