sanchayanmaity/slstatus
1
0
Fork 0
Code Issues Pull requests Packages Projects Releases Wiki Activity

simplified and improved vol_perc()

Browse source
This commit is contained in:
Aaron Marcher 2017-04-20 22:30:04 +02:00
parent c288663ebd
commit d144c8de3d
No known key found for this signature in database
GPG key ID: 74B048E5C2474F9A
1 changed files with 12 additions and 6 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

18
slstatus.c
View file

@ -667,17 +667,23 @@ vol_perc(const char *card)
int v, afd, devmask;
char *vnames[] = SOUND_DEVICE_NAMES;
afd = open(card, O_RDONLY);
if (afd < 0) {
afd = open(card, O_RDONLY | O_NONBLOCK);
if (afd == -1) {
warn("Cannot open %s", card);
return smprintf(UNKNOWN_STR);
}
ioctl(afd, MIXER_READ(SOUND_MIXER_DEVMASK), &devmask);
if (ioctl(afd, SOUND_MIXER_READ_DEVMASK, &devmask) == -1) {
warn("Cannot get volume for %s", card);
close(afd);
return smprintf("%s", UNKNOWN_STR);
}
for (i = 0; i < (sizeof(vnames) / sizeof((vnames[0]))); i++) {
if (devmask & (1 << i)) {
if (!strcmp("vol", vnames[i])) {
ioctl(afd, MIXER_READ(i), &v);
if (devmask & (1 << i) && !strcmp("vol", vnames[i])) {
if (ioctl(afd, MIXER_READ(i), &v) == -1) {
warn("vol_perc: ioctl");
close(afd);
return smprintf("%s", UNKNOWN_STR);
}
}
}