Re: Multichannel AudioUnits
Re: Multichannel AudioUnits
- Subject: Re: Multichannel AudioUnits
- From: Jim Credland <email@hidden>
- Date: Fri, 18 Sep 2015 19:28:50 +0100
Cheers Paul - I'm trying to report a maximum of 2 stereo outputs. The problem is I'm somehow offering 16 :)
I'll put a debugger on in a few carefully chosen places and see if I can't figure out what's happening.
On 18 Sep 2015, at 19:27, Paul Davis <email@hidden> wrote:
> On Fri, Sep 18, 2015 at 2:15 PM, Jim Credland <email@hidden> wrote:
>> (With great pain) I've discovered how to get and AudioUnit synth with multiple outputs working.
>>
>> It works, but it's showing up with 16 output busses in both Logic and Ableton.
>>
>> I think I'm making all the right moves. AUVAL reports as follows:
>>
>> --------------------------------------------------
>> VERIFYING DEFAULT SCOPE FORMATS:
>> Input Scope Bus Configuration:
>> Default Bus Count:0
>>
>> Output Scope Bus Configuration:
>> Default Bus Count:2
>> Format Bus 0: AudioStreamBasicDescription: 2 ch, 44100 Hz, 'lpcm' (0x00000029) 32-bit little-endian float, deinterleaved
>> Format Bus 1: AudioStreamBasicDescription: 2 ch, 44100 Hz, 'lpcm' (0x00000029) 32-bit little-endian float, deinterleaved
>> --------------------------------------------------
>>
>> Anyone suggestions as to which part of the undocumented maze of AudioUnit I should be looking in? I'd rather like the hosts to only report a sensible number of busses.
>
> as a host author, i can tell you that this is both host-dependent and
> hard to get right.
>
> we have users who want the maximum number of outputs and others who want stereo.
>
> if the plugin reports being able to do both, it isn't clear what the
> host should do ...
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