[gmpi] Re: lost-n-found #3 parameter stuff

On Friday, November 05, 2004 11:11 PM [GMT+1=CET],
Tim Hockin <xxxthockin@xxxxxxxxxxxxx> wrote:

> On Fri, Nov 05, 2004 at 10:52:50PM +0100, Koen Tanghe wrote:
>>> Again, these examples do not demonstrate any problem.  The prolem comes
>>> when you have a display value that is not linear to the parameter value.
>>> Same old example: a volume slider that is finer control near 0dB.
>>
>> Well, in case 1 I might want the frequency to step in cents or
>> semi-tones if some other boolean parameter is switched on, so a default
>> step of 1 will not do.
>
> Parameter Pre-processor.  That is exactly what it is for.

Just to make sure I can agree with this:
- user presses "up" arrow on spin button in host UI
- now the host needs to change the plugin parameter with some amount
--> with what amount (depends on current value and other parameter value)?
--> does the host just send a "+1" message and then the plugin decides what
this +1 should be in reality?
How would this be done with a pre-processor (sorry for being so stubborn,
but I want to make sure these things will be possible).
Koen


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