Re: side-chain and supportedNumChannels
Re: side-chain and supportedNumChannels
- Subject: Re: side-chain and supportedNumChannels
- From: Bill Stewart <email@hidden>
- Date: Wed, 11 Jun 2003 18:27:43 -0700
Pierre-Jean
I think the problem you have (and I'm ignoring the other one) is that
the host is probably not looking at your bus count so doesn't know that
you have a second "side-chain" input bus...
Bill
On Wednesday, June 11, 2003, at 02:54 PM, Marc Poirier wrote:
Hmmm, I think this might be something you could consider a bug in the
AU
SDK. Buses are referenced by "element", right? So when someone Gets
the
SupportedNumChannels property, the element argument is supposed to
specify
the bus index, correct? It is ignored in AUBase::DispatchGetProperty
and
DispatchGetPropertyInfo, and also of course not passed along as an
argument to the SupportedNumChannels method, so I guess there is an
assumption that the property is the same for all buses, which to me
doesn't seem a valid assumption. I think that the SupportedNumChannels
should have another argument specifying the element and the Dispatch
methods you pass that along, but maybe I'm wrong about this, I haven't
tried multiple buses yet...
Marc
On Wed, 11 Jun 2003, Pierre-Jean Camillieri wrote:
Hi all!
I don't really get how "side-chain" and "supportedNumChannels" should
"interact". Here is the problem :
my plug can do mono/stereo and stereo/stereo on main input bus/main
output bus. That's what I answer when querried about
kAudioUnitProperty_SupportedNumChannels.
But what should I do to give the host a hint that, for example, I can
do
mono/stereo and stereo/stereo too for side-chain in and out buses?
Thanks!
Pierre-Jean
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