You should be able to use AudioUnitGetPropertyInfo instead of AudioUnitGetProperty with a null pointer when wanting to fetch a property's size.
We added __nullable to AudioUnitConnection.sourceAudioUnit recently. One of the design goals of the AUAudioUnit API was to provide a replacement API that is less difficult to use from Swift than the C AudioUnit API's. Is there a reason you're preferring the C API's? Doug > On Oct 26, 2016, at 2:10 , Benjamin Federer <[email protected]> wrote: > > I filed a radar with the Apple Bug Reporter. > > rdar://28956261 > > Anyone else having similar issues should file a radar, too, to bring this to > Apple’s attention. > > >> Am 21.10.2016 um 18:26 schrieb Lucas Goossen <[email protected]>: >> >> This is what broke it: >> SE-0055 >> https://github.com/apple/swift-evolution/blob/master/proposals/0055-optional-unsafe-pointers.md >> >> Another Core Audio API broken by this is AudioUnitConnection. We used to be >> able to pass nill to sourceAudioUnit to disconnect. >> >> AudioUnitConnection.sourceAudioUnit needs to become optional. > > _______________________________________________ > Do not post admin requests to the list. They will be ignored. > Coreaudio-api mailing list ([email protected]) > Help/Unsubscribe/Update your Subscription: > https://lists.apple.com/mailman/options/coreaudio-api/dwyatt%40apple.com > > This email sent to [email protected] _______________________________________________ Do not post admin requests to the list. They will be ignored. Coreaudio-api mailing list ([email protected]) Help/Unsubscribe/Update your Subscription: https://lists.apple.com/mailman/options/coreaudio-api/archive%40mail-archive.com This email sent to [email protected]
