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: Robert Abernathy via Coreaudio-api <email@hidden>
- Date: Mon, 14 Jun 2021 17:51:55 -0600
One thing to keep in mind while trying to trace issues with auvaltool and
errors with Mac Catalyst is that the reported error may not be where the actual
problem is. I spent several months trying to trace a failure with an iOS AUv3 I
was porting using Catalyst that wouldn’t pass auval because the channel
configuration wasn’t passing the tests. But, auval wasn’t even reporting the
channels that I had configured.
In the end I gave up trying to chase down the issue and reprogrammed the entire
AU. In doing this, I found that I actually had a timing issue in the allocation
method for the DSP code. When I went back and fixed this in the original code
for the AU, auval passed with no issues.
I’d look everywhere in your code for things that might not be right, not just
in the areas that the auval error suggests.
Cheers,
Rob
> On Jun 14, 2021, at 6:44 AM, 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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