Hello all, I've been looking through this list for channel layout
usage and examples. But all I've found is a couple of hints, and
people saying there's examples in source code that I can't find,
like the matrix reverb stuff.
Yes - if you run this AU in auval you'll see it has surround
capabilities - and auval is testing the different configs, and the
channel layouts that it reports.
I've created a reverb plug-in that can switch between 2/4/5 channels.
ok - so make sure that as the client changes your format to ensure
that the ACL reflects the number of channels. We expect that the AU's
ACL always reflects the number of channels of a bus correctly - and
the AU itself has to play some role in maintaining this consistency
(and checking it as well). How a format is set doesn't change of
course - the ACL just provides meta information about a format - the
role of each channel.
I've got as far as setting the number of channels, but functions
like 'CreateElements' don't even show in the API references.
Because they aren't an API - its a part of the AU SDK and all the
source is there. There's also some reference documents in /Developer/
Examples/CoreAudio/Documentation
And looking for anything using SetAudioChannelLayout turns up blank!
auval will do this
We're also going to be covering surround AU topics at this year's
WWDC in some depth - if you can come to the conference I think you'll
find the session useful (and we'll also be running a lab for more
focussed Q & A time with developers)
Bill
Can anyone help please? I'll need a little more than 'just over-
ride some functions' answers thanks. : )
Again I don't know why there are no examples of multi-channel audio
units.
Thanks in advance,
Cheers, Dave Hoskins
www.quikquak.com
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