Subject: Re: [linux-audio-dev] +momentary, consolidated (ladspa.h.diff)
From: Jens M Andreasen (jens.andreasen_AT_chello.se)
Date: Mon Mar 08 2004 - 10:46:26 EET
On mån, 2004-03-08 at 01:39, Tim Goetze wrote:
> attached you'll please find three files:
>
> * a patch moving ladspa.h 1.1 to 2.0
> * a program showing how a host evaluates 2.0 extensions
> * a thoroughly documented example plugin making use of the extensions
OK!
How then is midi handled? Suppose your sample distortion could have one
its parameters set from a sequencer by, say modulation wheel?
/jens
>
> changes to the patch with respect to the last version include
> consolidation of the extended port info into a dedicated structure.
>
> also included is a warning note concerning the deprecation of the
> 1.1 default value hints and some minor clarifications.
>
> the patch defines HINT_MOMENTARY as asked by Taybin and Steve. it
> also credits Taybin now (Steve already being credited).
>
> -
>
> the example plugin is written with the intention to show, in all its
> sometimes gory detail, how ladspa works 'from the plugin side'. the
> plugin is fully operational in hosts implementing either version of
> the standard. (it doesn't even sound so bad at all :)
>
> there are a number of more elegant ways to accomplish what the plugin
> source does, but these have all been ignored for the sake of showing
> exactly how things are coming together in ladspa.
>
> -
>
> if you expect the extension to make a plugin author's life harder by a
> significant amount, i would like to ask you to go over the source code
> of the example plugin and see for yourself.
>
> all the places where the plugin refers to the 2.0 incarnation have
> been marked as such. i'm confident you'll agree that words like
> 'invasive', 'incomprehensible', 'bloated' or 'complicating' are not
> doing the extension justice.
>
> i would also like you to consider that it is up to you, either plugin
> or host author, to altogether ignore the extension and still come up
> with something perfectly useful. you can always extend your work to
> make use of the extension at a later date. all this takes is added
> code, with no changes to what you already have.
>
> -
>
> my apologies offered for the obnoxious use of the '2.0' version tag
> for this proposal. for sheer lack of fantasy, typing laziness and a
> number of other bad habits, i couldn't come up with something better.
>
> amicalement,
>
> tim
>
> ps: it is hoped that the example plugin source will be helpful to
> aspiring plugin authors, no matter the fate of the extension proposal.
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