[LV2] Updating the controls of generic user interface

Hanspeter Portner dev at open-music-kontrollers.ch
Mon Sep 3 01:20:11 PDT 2018

On 9/3/18 12:55 AM, Florian Bihler wrote:
>> Plugins must *not* update their own input control ports, those are read-only.
>> That's why you don't see any change. Hosts don't check for changed input values,
>> as plugins are not allowed to change them :)
> Thanks a lot for your answer. Good to know I went the wrong direction :).
>> P.s. read-write controls are possible with lv2:Parameter [1] and the patch
>> extension [2], but not many hosts support them.
> Do you know if there is some example code for this? Couldn't manage this based on the 
> documentation.

Here the official example [1]

[1] http://lv2plug.in/git/cgit.cgi/lv2.git/tree/plugins/eg-params.lv2

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