Re: AUv3 with Mac Catalyst issues with auval
Re: AUv3 with Mac Catalyst issues with auval
- Subject: Re: AUv3 with Mac Catalyst issues with auval
- From: Nikolozi Meladze via Coreaudio-api <email@hidden>
- Date: Mon, 14 Jun 2021 17:19:53 +0400
Hi Markus,
Thanks for the quick response.
I understand that auval ships with macOS and is not part of Logic. But doesn’t
Logic run auval to ensure the AUs are behaving as expected? Seems to me that’s
what happens when I press “Reset & Rescan Selection” button in Logic’s Plug-in
manager.
I would like to know what "Checking parameter setting” test does. It might help
me find the problem. As I said, works fine in Reaper, without audio dropouts,
even the debug build. I’m currently experimenting to narrow down the cause. And
I don’t think the time constraint is the issue. I’ve completely bypassed audio
processing and filling the audio buffer with 0s. And still get the the same
error, when I run auval from the command line.
On the other hand, not adding any children to the AUParameterTree (with audio
processing not bypassed) causes the auval to pass all tests. I’m going to try
adding back some AUParameters to narrow down the issue.
Cheers
Niko
> On 14 Jun 2021, at 4:57 pm, Markus Fritze <email@hidden> wrote:
>
> The Audio Unit render happens out-of-process and it is managed by macOS
> (Logic has nothing to do with auval, etc). The render call into your AU seems
> to have failed to process the buffer within the time constraints.
>
>
> I hope this helps a bit,
> Markus
>
>> On 14. Jun 2021, at 14:44, Nikolozi Meladze via Coreaudio-api
>> <email@hidden> wrote:
>>
>> Hi,
>>
>> I’m trying to run my iPad AUv3 synth on macOS Big Sur using Mac Catalyst.
>> I’ve fixed a few issues and made some progress. But I’m currently stuck on
>> the auval returning this error:
>>
>> ```
>> Checking parameter setting
>> Using AudioUnitSetParameter
>> Using AudioUnitScheduleParameter
>> ERROR: -66745 IN CALL AudioUnitRender
>>
>> * * FAIL
>> ```
>>
>> What does this particular test do? Is there documentation that I can read,
>> to see what each auval test does?
>>
>> I know -66745 corresponds to kAudioUnitErr_RenderTimeout but that still
>> doesn’t tell me much.
>>
>> The AUv3 loads and works fine in Reaper, but doesn’t work in Logic because
>> auval fails it because of the above error. Any pointers would be
>> appreciated.
>>
>> Cheers
>> Niko
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