Catch volume update events.

git-svn-id: file:///home/lennart/svn/public/pulseaudio/trunk@612 fefdeb5f-60dc-0310-8127-8f9354f1896f
This commit is contained in:
Pierre Ossman 2006-02-27 09:18:18 +00:00
parent 1bb14c3a1d
commit e8b3819ac8

View file

@ -219,8 +219,20 @@ static void io_callback(pa_iochannel *io, void*userdata) {
static void sig_callback(pa_mainloop_api *api, pa_signal_event*e, int sig, void *userdata) {
struct userdata *u = userdata;
assert(u);
pa_cvolume old_vol;
assert(u && u->sink && u->sink->get_hw_volume);
do_write(u);
memcpy(&old_vol, &u->sink->hw_volume, sizeof(pa_cvolume));
if (u->sink->get_hw_volume(u->sink) < 0)
return;
if (memcmp(&old_vol, &u->sink->hw_volume, sizeof(pa_cvolume)) != 0) {
pa_subscription_post(u->sink->core,
PA_SUBSCRIPTION_EVENT_SINK|PA_SUBSCRIPTION_EVENT_CHANGE,
u->sink->index);
}
}
static pa_usec_t sink_get_latency_cb(pa_sink *s) {