Re: [linux-audio-dev] LADSPA + GUI?

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Subject: Re: [linux-audio-dev] LADSPA + GUI?
From: Paul Davis (paul_AT_linuxaudiosystems.com)
Date: Tue Feb 03 2004 - 18:03:47 EET

>In theory:
>
> VST provides a (cross-platform) library (libvstgui) that is used
> to draw pixmap GUIs. The plugin code calls UI functions.
>
>In practice:
>
> Many plugins call OS specific drawing functions.
>
>I'm not sure how automation is handled, but I dont think UI controls are
>routed via the host, so I'm guess its done on "trust" and fudged timing.

the plugin is supposed to make a callback to the host
("setParameterAutomated") to tell the host about the change in the
parameter value.

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