Re: [sc-dev] Valid UGen input rates

[Sciss <contact@xxxxxxxx>]

is that i am working on an sc client, but i'm trying to design the architecture somewhat different than sclang, so i'm trying to find a reliable way to restrict input rates (preferably at compile time) and wonder how they are encoded in sclang. i see for example, that some ugens override "checkInputs", some redirecting to "checkSameRateAsFirstInput".

ciao, -sciss-


Am 29.12.2009 um 18:00 schrieb Josh Parmenter:

> SinOsc has functions for audio and control rate UGens - my guess is Select just wants ONLY the same rate. I'd have to look at the source, but it might be a good idea to document more of this. I think Scott (?) started to do that some time ago? We really all should pitch in and get that done. With CSound - they name the arguments according to acceptable rates, but an array after the arg description in the doc is probably what we need (and I think it is what Scott started to do?).
> 
> Josh
> 
> On Dec 29, 2009, at 9:52 AM, Sciss wrote:
> 
>> hi,
>> 
>> i was wondering whether there is a hard criterion regarding valid ugen input rates. for example:
>> 
>> SynthDef( \test, { SinOsc.kr( SinOsc.ar )})
>> SynthDef( \test, { Select.ar( 0, [ SinOsc.kr ])})
>> 
>> the first one is ok, the second one fails. there is hooks in the class library that do some kind of checking, but i wonder if these are always right, and if there is not a way to determine directly  from the plugins (sources) which are the allowed rates...
>> 
>> thanks, -sciss-
>> 
>> 
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