[LAD] Lv2 port replication [was Re: the role of lv2 extensions]

[Fons Adriaensen]

On Wed, Aug 12, 2009 at 09:46:58PM +0100, james morris wrote:

> Say you have a LP filter plugin processing a stereo stream. It has one
> port for the cutoff and two ports for input, therefor two for output.
> What happens if you decide you want independent control over the cutoff
> for the two channels?

That is the essential difference between a plugin being used in 
a multichannel stream and one being used for polyphonic synthesis,
where the cutoff frequency could be a per-voice envelope.
Provided the plugin can do both, it is the *host* that has to make
clear what's required. 

Ciao,

-- 
FA

Io lo dico sempre: l'Italia è troppo stretta e lunga.