Am 11.03.21 um 16:54 schrieb Mark Raynsford: > Is there a (free, open source) plugin out there that allows for > controlling the parameters of a plugin from another plugin? I > realize that question's a bit nebulous. I'd like to, for example, > have a plugin that exposes a MIDI input. When a NOTE ON is received on > that input, it sets the value of a parameter in a different plugin > to a given value, and when a corresponding NOTE OFF is received, > it sets the value back to something else. I see two avenues here: a) CV ports and signals b) LV2 atom Patch set messages With a) your plugin would have a CV ouput, whose signal depends on some input (audio, MIDI or CV), and is connected to a CV control input port of another plugin. Of course that means you can only control parameters, for which the receiving plugin has CV inputs. For the MIDI -> CV conversion you might not actually need to write your own plugin. There are some MIDI-to-CV LV2 plugins in existence already. See this list [1] for a selection ([2] might contain what you need). b) Relies on the host actually forwarding atom messages between plugins. I'm not sure how many and whoch ones do that, but I believe at least Ingen and synthpod do. You might be able to do the MIDI to atom message conversion with Moony.lv2 [3]. Hth, Chris [1] https://linuxmusicians.com/viewtopic.php?t=20701 [2] https://github.com/moddevices/mod-cv-plugins [3] https://open-music-kontrollers.ch/lv2/moony/# _______________________________________________ Linux-audio-user mailing list Linux-audio-user@xxxxxxxxxxxxxxxxxxxx https://lists.linuxaudio.org/listinfo/linux-audio-user
