[linux-audio-dev] XAP: a polemic

[Paul Davis]

>> We've been talking about 'TEMPO' and 'TRANSPORT' and 'TICKS' and 'METER'
>> controls, which (honestly) kind of turns my stomach.  This is not what
>> controls are meant to be doing.  the answer strikes me in shadowy details:
>> 
>> Each host struct has a timeline member.  Plugins register with the host for
>> notification of ceratin things:
>> host->register_time_event(plugin, event, function);
>> events:
>>   TIME_TICKS	// call me on every tick edge
>>   TIME_TRANSPORT  // call me when a transport happens
>>   TIME_METER  // call me when the meter changes

this is the best suggestion so far. i love callbacks. note that
"meter" includes both tempo and time signature. you knew that, though.
i can't see anyone wanting to use TIME_TICKS.

--p