[linux-audio-dev] XAP: Some thoughts on control ramping

Steve Harris S.W.Harris at ecs.soton.ac.uk
Tue Jan 21 04:28:09 UTC 2003


On Tue, Jan 21, 2003 at 06:17:40 +0100, David Olofson wrote:
> On Tuesday 21 January 2003 05.09, David Olofson wrote:
> > So, it seems like we'll need that 0 test anyway. It should
> > obviously apply the target value instantly, so that later events
> > will work even if they land at the same timestamp. It doesn't have
> > to set the delta at all, as sending a 0 duration means you *have*
> > to send another event with the same timestamp anyway.
> 
> Another idea:
> Since we need that (duration == 0) test anyway, why not have it 
> explicitly stop ramping as well, so we can connect non-ramped outputs 
> to ramped inputs and vice versa?

I'd say that has different semantics, and so should be a seperate event.
Say... SET ;)
 
> This doesn't interfere with normal operation, and it seems rude and 
> pointless to enforce ramping on all FP ins and outs, just to 
> guarantee punishment if you break the rules while ramping. :-)

Sure.

- Steve



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