Thanks, I’ll check it out. Can’t call the deprecated one from Swift because it won’t let me (anything deprecated before 10.9).
-- Rick Mann [email protected] > On Jul 13, 2017, at 18:30, Chris Adamson <[email protected]> wrote: > > IIRC, the AudioObject* APIs replaced AudioHardware* some time ago. It’s been > a while since I’ve done anything that uses them, but I did notice this in the > last version of the Learning Core Audio sample code that I uploaded as errata: > > // AudioHardwareGetProperty() is deprecated > // CheckError > (AudioHardwareGetProperty(kAudioHardwarePropertyDefaultInputDevice, > // > &propertySize, > // > &defaultDevice), > // "Couldn't get default input device"); > > // AudioObjectProperty stuff new in 10.6, replaces > AudioHardwareGetProperty() call > // TODO: need to update ch08 to explain, use this call. need > CoreAudio.framework > AudioObjectPropertyAddress defaultDeviceProperty; > defaultDeviceProperty.mSelector = > kAudioHardwarePropertyDefaultInputDevice; > defaultDeviceProperty.mScope = kAudioObjectPropertyScopeGlobal; > defaultDeviceProperty.mElement = kAudioObjectPropertyElementMaster; > > CheckError (AudioObjectGetPropertyData(kAudioObjectSystemObject, > > &defaultDeviceProperty, > > 0, > > NULL, > > &propertySize, > > &defaultDevice), > "Couldn't get default input device"); > > > Also, calling AudioObject from Swift will work just as well/poorly as > AudioHardware. Any C function in a public API can be called from Swift just > fine… it’s just highly unintuitive Swift since it uses lots of inout and free > functions and UnsafeMutableRawPointerWillKillYouInYourSleep and all that. > > Hopefully that’ll at least get you pointed in the right direction. Sorry the > docs aren’t better. > > —Chris > > >> On Jul 13, 2017, at 8:13 PM, Rick Mann <[email protected]> wrote: >> >> Apple's docs are sorely lacking. A whole suite of APIs is deprecated, with >> no indication of what to use in their stead, and no accessibility from Swift: >> >> https://developer.apple.com/documentation/coreaudio/1580716-audiohardwaregetpropertyinfo >> >> What's the replacement set of APIs for switching the current audio input on >> macOS? >> >> Thanks, >> >> -- >> Rick Mann >> [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/invalidname%40gmail.com >> >> This email sent to [email protected] >
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