void
ConfigManager::set_master_volume(int v)
{
log_info("ConfigManager::set_master_volume: %1%", v);
Sound::PingusSound::set_master_volume(static_cast<float>(v) / 100.0f);
m_opts.master_volume.set(get_master_volume());
}
int main(int argc, char **argv)
{
int hwdep_fd;
snd_ctl_t *ctl;
(void) argc;
(void) argv;
// Setup the signal handler
struct sigaction sa = { 0 };
sa.sa_handler = &handle_signal;
// Handle standard signals to quit properly
sigemptyset(&sa.sa_mask);
sigaction(SIGINT, &sa, NULL);
sigaction(SIGHUP, &sa, NULL);
sigaction(SIGTERM, &sa, NULL);
// Open control and hwdep devices
if (open_hwdep(Y50_HWDEP_DEVICE, &hwdep_fd) != 0
|| open_ctl(Y50_CTL_NAME, &ctl) != 0) {
return 1;
}
// Initialize subwoofer
lfe_initialize(hwdep_fd);
// Set initial values
set_headphones_plugged(&headphones_plugged);
set_lfe_volume(hwdep_fd, headphones_plugged ? 0 : get_master_volume());
// Poll events
while (!doneflag) {
struct pollfd fds;
snd_ctl_poll_descriptors(ctl, &fds, 1);
if (poll(&fds, 1, -1) <= 0) {
if (errno == EINTR) {
continue;
} else {
perror("poll");
break;
}
}
unsigned short revents;
snd_ctl_poll_descriptors_revents(ctl, &fds, 1, &revents);
if (revents & POLLIN) {
handle_event(hwdep_fd, ctl);
}
}
// Close resources
close(hwdep_fd);
snd_ctl_close(ctl);
return EXIT_SUCCESS;
}
void master_sound_volume (int dir) {
int vol, mute, r;
r = get_master_volume (&vol, &mute);
if (!r)
return;
if (dir == 0)
mute = mute ? 0 : 1;
vol += dir * (65536 / 10);
if (vol < 0)
vol = 0;
if (vol > 65535)
vol = 65535;
set_master_volume (vol, mute);
config_changed = 1;
}
static int handle_event(int hwdep_fd, snd_ctl_t *ctl)
{
snd_ctl_event_t *event;
unsigned int mask;
int err;
snd_ctl_event_alloca(&event);
err = snd_ctl_read(ctl, event);
if (err < 0) {
fprintf(stderr, "Cannot read event from ctl %s\n", snd_ctl_name(ctl));
return err;
}
if (snd_ctl_event_get_type(event) != SND_CTL_EVENT_ELEM) {
return 0;
}
// Filter events
mask = snd_ctl_event_elem_get_mask(event);
if (mask & SND_CTL_EVENT_MASK_VALUE) {
const char *event_name = snd_ctl_event_elem_get_name(event);
if (!strcmp(event_name, HEADPHONE_SWITCH_NAME)) {
// If headphones were plugged, mute LFE
set_headphones_plugged(&headphones_plugged);
if (headphones_plugged) {
set_lfe_volume(hwdep_fd, 0);
}
} else if (!headphones_plugged && !strcmp(event_name, MASTER_VOLUME_NAME)) {
// If headphones are unplugged and master volume changed, adjust LFE volume
set_lfe_volume(hwdep_fd, get_master_volume());
}
}
return 0;
}
static PxVolume get_output_volume(px_mixer *Px, int i)
{
return get_master_volume(Px);
}
