[Ardour-Users] LV2 plugin state

Paul Davis paul at linuxaudiosystems.com
Wed Mar 2 09:40:51 PST 2016

in LV2, all parameter changes are supposed to be routed via the host. If
this does not happen, then the host cannot automate the plugin from the
plugin's own editor.

so a properly written LV2 (and AudioUnit) plugin notifies the host when its
GUI/editor wants to change a parameter.

On Wed, Mar 2, 2016 at 12:32 PM, Will Godfrey <willgodfrey at musically.me.uk>

> I was under the impression that state save and retrieve was purely at the
> behest
> of the host, but someone told me that when he changes parameters in some
> of his
> plugins, Ardour recognises this and prompts for a session save on exit.
> Is this correct? Does Ardour recognise some undocumented plugin message?
> Or has he thought he was using native GUI controls when actually using the
>  generic ones (which Ardour would know had been changed) ?
> --
> Will J Godfrey
> http://www.musically.me.uk
> Say you have a poem and I have a tune.
> Exchange them and we can both have a poem, a tune, and a song.
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