Page MenuHomeFreeBSD
Paste P638

D45501 test
ActivePublic
Actions

Authored by christos on Wed, Jun 5, 6:39 PM.
Tags
None
Referenced Files
F85412646: D45501 test
Wed, Jun 5, 6:39 PM
Subscribers
None
#include <sys/sndstat.h>
#include <sys/nv.h>
#include <err.h>
#include <fcntl.h>
#include <stdlib.h>
#include <unistd.h>
int
main(int argc, char *argv[])
{
nvlist_t *nvl;
const nvlist_t * const *di;
struct sndstioc_nv_arg arg;
size_t nitems;
int fd;
int pchan, rchan, pvchan, rvchan, chans;
if ((fd = open("/dev/sndstat", O_RDONLY)) < 0)
err(1, "open");
if (ioctl(fd, SNDSTIOC_REFRESH_DEVS, NULL) < 0)
err(1, "ioctl(SNDSTIOC_REFRESH_DEVS)");
arg.nbytes = 0;
arg.buf = NULL;
if (ioctl(fd, SNDSTIOC_GET_DEVS, &arg) < 0)
err(1, "(1) ioctl(SNDSTIOC_GET_DEVS)");
if ((arg.buf = malloc(arg.nbytes)) == NULL)
err(1, "malloc");
if (ioctl(fd, SNDSTIOC_GET_DEVS, &arg) < 0)
err(1, "(2) ioctl(SNDSTIOC_GET_DEVS)");
nvl = nvlist_unpack(arg.buf, arg.nbytes, 0);
free(arg.buf);
di = nvlist_get_nvlist_array(nvl, SNDST_DSPS, &nitems);
for (size_t i = 0; i < nitems; i++) {
const nvlist_t * const *cdi;
size_t nchans;
printf("----\n");
printf("from_user=%d\n", nvlist_get_bool(di[i],
SNDST_DSPS_FROM_USER));
printf("nameunit=%s\n", nvlist_get_string(di[i],
SNDST_DSPS_NAMEUNIT));
pchan = nvlist_get_number(di[i], SNDST_DSPS_PCHAN);
rchan = nvlist_get_number(di[i], SNDST_DSPS_RCHAN);
printf("pchan=%d\n", pchan);
printf("rchan=%d\n", rchan);
if (!nvlist_exists(di[i], SNDST_DSPS_PROVIDER_INFO))
continue;
pvchan = nvlist_get_number(
nvlist_get_nvlist(di[i], SNDST_DSPS_PROVIDER_INFO),
SNDST_DSPS_SOUND4_PVCHAN);
rvchan = nvlist_get_number(
nvlist_get_nvlist(di[i], SNDST_DSPS_PROVIDER_INFO),
SNDST_DSPS_SOUND4_RVCHAN);
chans = pchan + rchan + pvchan + rvchan;
printf("pvchan=%d\n", pvchan);
printf("rvchan=%d\n", rvchan);
printf("chans=%d\n", chans);
cdi = nvlist_get_nvlist_array(
nvlist_get_nvlist(di[i], SNDST_DSPS_PROVIDER_INFO),
SNDST_DSPS_SOUND4_CHAN_INFO, &nchans);
for (size_t j = 0; j < nchans; j++) {
printf("======\n");
printf("name=%s\n", nvlist_get_string(cdi[j],
SNDST_DSPS_SOUND4_CHAN_NAME));
printf("parentchan=%s\n", nvlist_get_string(cdi[j],
SNDST_DSPS_SOUND4_CHAN_PARENTCHAN));
printf("unit=%d\n", (int)nvlist_get_number(cdi[j],
SNDST_DSPS_SOUND4_CHAN_UNIT));
printf("latency=%d\n", (int)nvlist_get_number(cdi[j],
SNDST_DSPS_SOUND4_CHAN_LATENCY));
printf("rate=%d\n", (int)nvlist_get_number(cdi[j],
SNDST_DSPS_SOUND4_CHAN_RATE));
printf("format=0x%x\n", (int)nvlist_get_number(cdi[j],
SNDST_DSPS_SOUND4_CHAN_FORMAT));
printf("pid=%d\n", (int)nvlist_get_number(cdi[j],
SNDST_DSPS_SOUND4_CHAN_PID));
printf("comm=%s\n", nvlist_get_string(cdi[j],
SNDST_DSPS_SOUND4_CHAN_COMM));
printf("interrupts=%d\n", (int)nvlist_get_number(cdi[j],
SNDST_DSPS_SOUND4_CHAN_INTR));
printf("xruns=%d\n", (int)nvlist_get_number(cdi[j],
SNDST_DSPS_SOUND4_CHAN_XRUNS));
printf("feedcount=%d\n", (int)nvlist_get_number(cdi[j],
SNDST_DSPS_SOUND4_CHAN_FEEDCNT));
printf("leftvol=%d\n", (int)nvlist_get_number(cdi[j],
SNDST_DSPS_SOUND4_CHAN_LEFTVOL));
printf("rightvol=%d\n", (int)nvlist_get_number(cdi[j],
SNDST_DSPS_SOUND4_CHAN_RIGHTVOL));
printf("hwbuf_fmt=0x%x\n", (int)nvlist_get_number(cdi[j],
SNDST_DSPS_SOUND4_CHAN_HWBUF_FORMAT));
printf("hwbuf_size=%d\n", (int)nvlist_get_number(cdi[j],
SNDST_DSPS_SOUND4_CHAN_HWBUF_SIZE));
printf("hwbuf_blksz=%d\n", (int)nvlist_get_number(cdi[j],
SNDST_DSPS_SOUND4_CHAN_HWBUF_BLKSZ));
printf("hwbuf_blkcnt=%d\n", (int)nvlist_get_number(cdi[j],
SNDST_DSPS_SOUND4_CHAN_HWBUF_BLKCNT));
printf("hwbuf_free=%d\n", (int)nvlist_get_number(cdi[j],
SNDST_DSPS_SOUND4_CHAN_HWBUF_FREE));
printf("hwbuf_ready=%d\n", (int)nvlist_get_number(cdi[j],
SNDST_DSPS_SOUND4_CHAN_HWBUF_READY));
printf("swbuf_fmt=0x%x\n", (int)nvlist_get_number(cdi[j],
SNDST_DSPS_SOUND4_CHAN_SWBUF_FORMAT));
printf("swbuf_size=%d\n", (int)nvlist_get_number(cdi[j],
SNDST_DSPS_SOUND4_CHAN_SWBUF_SIZE));
printf("swbuf_blksz=%d\n", (int)nvlist_get_number(cdi[j],
SNDST_DSPS_SOUND4_CHAN_SWBUF_BLKSZ));
printf("swbuf_blkcnt=%d\n", (int)nvlist_get_number(cdi[j],
SNDST_DSPS_SOUND4_CHAN_SWBUF_BLKCNT));
printf("swbuf_free=%d\n", (int)nvlist_get_number(cdi[j],
SNDST_DSPS_SOUND4_CHAN_SWBUF_FREE));
printf("swbuf_ready=%d\n", (int)nvlist_get_number(cdi[j],
SNDST_DSPS_SOUND4_CHAN_SWBUF_READY));
printf("feederchain=%s\n", nvlist_get_string(cdi[j],
SNDST_DSPS_SOUND4_CHAN_FEEDERCHAIN));
}
}
nvlist_destroy(nvl);
return (0);
}