you're sidestepping the issue. even if the dsp part is completely
independent we still need the gui part for completeness (VST experience
shows that it is needed/used).
so one way or another the LADSPA should (IMO) specify the
visual/control part (as opposed to audio/dsp part).
of course, the ui and back-end dsp processing should be as independent
as possible (but notmore and ui should not be completely ignored/left
out).
erik
Maurizio De Cecco wrote:
>
> Erik Steffl <esteffl_at_pbi.net> writes:
>
> > it looks like the reason gui is so important is that some plugins will
> > be audio/visual, not audio only.
> >
> > the visual part can be:
> >
> > A: part of core functionality (osciloscope) or
> > B: simply fancy buttons.
> >
> > while we might ignore the B (not nice, but it might prove acceptable)
> > we (IMO) should not ignore A.
>
> 1) Make a DSP plug-in that implement the data reduction algorithm
> and produce some kind of video data stream; for example,
> use a event model to send the data, or provide the data
> in a memory area.
>
> 2) Make a GUI component that take this data and show it in an oscilloscope;
> use shared memory, or event, depending on the bandwidth problems you
> have, and on the overall application architecture; make it accordingly
> to you needs, your toolkit, respecting the plug-in standards for UI applications
> (KParts, Bonobo, other).
>
> Again, separate DSP and GUI; make an API that allow a proper data exchange
> with the plug-in, and cover the UI problem elsewhere.
>
> Finally, use a packaging system (like RPM) that allow you to distribute
> the DSP plug-in library, the various implementation of the GUI component,
> a stand-alone runner for the plug-in, the documentation, and what else,
> as a single "entity".
>
> Maurizio
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Received on Wed May 24 2000 - 13:19:30 BST