Re: Audio Units and Multi-mono in Logic 8
Re: Audio Units and Multi-mono in Logic 8
- Subject: Re: Audio Units and Multi-mono in Logic 8
- From: "P. Grütter" <email@hidden>
- Date: Fri, 25 Jul 2008 08:40:17 +0200
Hi,
you could include two different units in your component. I do so in
one of my plugins, there's a (multi-)mono (that supports all n-n
configurations) and a stereo version (that only supports 2-2
configuration). On stereo tracks Logic lists both units, on other
tracks it only lists the (multi-)mono version.
Cheers, Paul
Am 24. Jul 2008 um 21:02 Uhr schrieb email@hidden
:
On Jun 25, 2008, at 4:07 PM, Matthew Morton wrote:
I have an AU with a class, myClass that is derived from AUEffectBase.
ProcessBufferList() is overridden so that one of two processes may
occur; Firstly, if(inBuffer.mNumberBuffers == 1) then a mono version
of the processing algorithm is run. The other option runs for all
other inBuffer.mNumberBuffers , and this is a stereo version of the
algorithm. Now, I could implement a third algorithm for when there
are 6 channels, assuming 5.1 surround audio, and in fact I have and
it
works fine. However, I thought it would be interesting to have my AU
work in the multi-mono mode within Logic to give the user further
control. My question really is relating to how Logic knows how to
implement a plugin as a 5.1 or Multi-mono version; what are the key
parts involved here? Any help from others who have done this
themselves would be great. Thanks very muchly!
From what I can deduce, Logic will present a 5.1 version if the
plugin claims it will support that (via its implementation of
SupportedNumChannels), and if not (and if the plugin does support mono
operation) then it will present the plugin as multi-mono.
I agree with you that Logic should still make the multi-mono option
available for surround- and mono-capable plugins. There are reasons
why multi-mono can sometimes have its own advantages. Pro Tools
allows for both options. I submitted an enhancement request for this
to Apple back in November 2007, though others should too if they agree
it's important since more reports gets bugs noticed more. :)
http://bugreport.apple.com/
- Sophia
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