On Thu, Jan 15, 2015 at 1:15 PM, Nick <[email protected]> wrote: > Hi Christian, > Thanks for the reply. > > Yes, I had found the functions > > AUBase::CallHostMusicalTimeLocation > > AUBase::CallHostBeatAndTempo > > AUBase::CallHostTransportState > > What I meant in my question however - is there a way to get > callbacks/notifications invoked in my Audio Unit every time when beat/bar > changes, or when the host playback starts/stops (for instance, when the > user clicks the Play button in MainStage). Or do I have to implement > tracking of these events manually in my render function by checking if and > how the beat value changed? > > Manual tracking sounds like a tedious work though. For instance, I would > like to have a function called every time a metronome ticks (i.e., a beat > changes). > As a host writer ... as far as I know there are no callbacks from host => plugin for any of this stuff.
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