[LV2] Feature request: DSP write_function() ?

[Filipe Coelho]

On 21/12/20 19:44, Hanspeter Portner wrote:
> On 21.12.20 19:43, Hermann Meyer wrote> Synthpod have it own issues as 
> well, so for example it create controls
>> for patch:writable and patch:readable separately (Means it double
>> controls and only sync the readable ones to the plugin GUi, while you
>> could only change the writable ones, which are basically the same, but
>> threaded different). This do as well not allow to sync the plugin GUI
>> with host provided UI, and easily lead to a overflow in the atom ring
>> buffer.
>
> Can you show your *.ttl, please?
>
> I think you've misinterpreted something there. An lv2:Parameter either
> is patch:writable (read-write) OR patch:readable (read-only), but not
> both, if I'm not totally mistaken, that is.
>
> If you list the same parameter both as patch:writable AND patch:readable,
> then indeed synthpod may show two generic UI elements with only one being
> active.

I think you are mistaken, the LV2 parameter example plugin includes such 
a case, see the spring parameter
in 
https://github.com/lv2/lv2/blob/master/plugins/eg-params.lv2/params.ttl#L100