func (s *Source) GetMeter() *Meter {
id := fmt.Sprintf("source%d", s.core.Index)
m, ok := meters[id]
if !ok {
core := pulse.NewSourceMeter(pulse.GetContext(), s.core.Index)
core.ConnectChanged(func(v float64) {
m.setPropVolume(v)
})
m = NewMeter(id, core)
dbus.InstallOnSession(m)
meters[id] = m
}
return m
}
func Start() {
if _audio != nil {
return
}
logger.BeginTracing()
ctx := pulse.GetContext()
_audio = NewAudio(ctx)
if err := dbus.InstallOnSession(_audio); err != nil {
logger.Error("Failed InstallOnSession:", err)
finalize()
return
}
}