Re: attention AU host-makers -> MusicEffects
Re: attention AU host-makers -> MusicEffects
- Subject: Re: attention AU host-makers -> MusicEffects
- From: "Angus F. Hewlett" <email@hidden>
- Date: Thu, 14 Nov 2002 06:07:00 -0500 (EST)
Seconded!
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Angus F. Hewlett, Technical Director
FXpansion Audio UK Ltd -
http://www.fxpansion.com
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On Wed, 13 Nov 2002, Marc Poirier wrote:
>
Hello. This message is for you folks out there who are writing Audio Unit
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hosts. I'm writing to ask you all to please support MusicEffect type AUs.
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Rax doesn't, SynthTest doesn't, and Metro doesn't, and perhaps there are
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others that I don't know about. Yet all of those hosts support regular AU
>
effects. Even if you don't support sending MIDI to effects, please at
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least scan for MusicEffects and make them available like other effects.
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Most MusicEffects can still be used even if they are not getting MIDI.
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Many MusicEffects are simply regular effects with some sort of optional
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MIDI "enhancement" (like the ability to automate parameters with MIDI CCs,
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for example), so it's terrible to have those effects completely
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unavailable in an AU effect host.
>
>
In order to support MusicEffects like you would regular effects, all you
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need to do is scan the component type code 'aumf' in addition to 'aufx'.
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If you are using the constants in AudioUnit.framework, note that AU 2.0
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has a bug defining MusicEffect's type code the same as the AUMixer code,
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so you need to change the code for kAudioUnitType_MusicEffect from 'aumx'
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to 'aumf' in AudioUnit.framework/AUComponent.h and AUComponent.r ('aumf'
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is official and will be the code in the next AU API revision).
>
>
I would also like to ask you host folks to please consider supporting the
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MIDI part of MusicEffects, too, if possible. I personally think that MIDI
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control of effects can, in some cases, make using the effect far simpler
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and more "musical" (like note control of my Buffer Override and Scrubby
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effects, for example). And sometimes it's necessary and the only way to
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accomplish a certain type of effect (like my Rez Synth and MIDI Gater
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effects, for example). Heed my words: This is the future of effects, and
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the future is now! Okay, so now I obviously have most of you convinced,
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but for those of you still uncertain about The Future, I just again ask
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that you please at least support MusicEffects without MIDI.
>
>
If you need any MusicEffects to test with, please let me know, I can send
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you several. I don't have them at my web page now because, yeh know, as I
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was saying, they won't show up in hardly any hosts...
>
>
thanks for listening,
>
Marc
>
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