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#include <errno.h>
#include <fcntl.h>
#include <poll.h>
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <unistd.h>
#include <sndio.h>
#include "tools.h"
struct sio_par par;
struct sio_cap cap;
void
pr_enc(struct sio_enc *enc)
{
fprintf(stderr, "%s%d", enc->sig ? "s" : "u", enc->bits);
if (enc->bps > 1)
fprintf(stderr, "%s", enc->le ? "le" : "be");
if (enc->bps != SIO_BPS(enc->bits))
fprintf(stderr, "%d%s", enc->bps, enc->msb ? "msb" : "lsb");
}
void
cap_pr(struct sio_cap *cap)
{
unsigned n, i;
for (n = 0; n < cap->nconf; n++) {
fprintf(stderr, "config %d\n", n);
fprintf(stderr, "\tenc:");
for (i = 0; i < SIO_NENC; i++) {
if (cap->confs[n].enc & (1 << i)) {
fprintf(stderr, " ");
pr_enc(&cap->enc[i]);
}
}
fprintf(stderr, "\n\tpchan:");
for (i = 0; i < SIO_NCHAN; i++) {
if (cap->confs[n].pchan & (1 << i))
fprintf(stderr, " %d", cap->pchan[i]);
}
fprintf(stderr, "\n\trchan:");
for (i = 0; i < SIO_NCHAN; i++) {
if (cap->confs[n].rchan & (1 << i))
fprintf(stderr, " %d", cap->rchan[i]);
}
fprintf(stderr, "\n\trate:");
for (i = 0; i < SIO_NRATE; i++) {
if (cap->confs[n].rate & (1 << i))
fprintf(stderr, " %d", cap->rate[i]);
}
fprintf(stderr, "\n");
}
}
void
usage(void) {
fprintf(stderr, "usage: cap [-pr]\n");
}
int
main(int argc, char **argv) {
int ch;
unsigned mode = SIO_PLAY | SIO_REC;
struct sio_hdl *hdl;
while ((ch = getopt(argc, argv, "pr")) != -1) {
switch(ch) {
case 'p':
mode &= ~SIO_REC;
break;
case 'r':
mode &= ~SIO_PLAY;
break;
default:
usage();
exit(1);
break;
}
}
if (mode == 0) {
fprintf(stderr, "-p and -r flags are mutually exclusive\n");
exit(1);
}
hdl = sio_open(NULL, mode, 0);
if (hdl == NULL) {
fprintf(stderr, "sio_open() failed\n");
exit(1);
}
if (!sio_getcap(hdl, &cap)) {
fprintf(stderr, "sio_getcap() failed\n");
exit(1);
}
cap_pr(&cap);
sio_close(hdl);
return 0;
}
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