On Sun, 12 May 2002, Paul Davis wrote:
> >>I'm afraid it would. You need to think about this some more. In any
> >>given unit of time, a certain number of samples are transformed into a
> >>varying air pressure wave. What matters is the relation between those
> >>samples and the original source material. The number of them remains
> >>the same per unit of time whether the signal is altered or not.
> >>
> >It is simple: I have m number of samples, and I want n number of samples
> >back.
>
> Then you're not talking about real-time ("streaming")
> processing. You're talking about processing, say, a static file to
> pitch shift it. LADSPA can support this, but as you note, there's no
> way for the host to ask the plugin "are you done yet?", so its hard
> (but not impossible) to do correctly.
Its certainly possible - but the problem with LADSPA is the host-centric
buffer management. Though you could add a callback asking for the output
buffer size.
Richard.
--
Richard Guenther <[EMAIL PROTECTED]>
WWW: http://www.tat.physik.uni-tuebingen.de/~rguenth/
The GLAME Project: http://www.glame.de/
