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Questions tagged [auv3]

26 questions
4
votes
0 answers

AudioKit and AUv3 Instrument

I have currently an audio app, using AudioKit, that play samples with AKSampler and I'm now trying to make an AUv3 AudioUnit extension for my app. I have successfully create my AUv3 extension (thanks to the AudioKit AUv3 tutorial) but now I can't…
Relpot
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3
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1 answer

Is it possible to make a AUv3 extension of type 'aufc' (kAudioUnitType_FormatConverter)?

I wrote a time stretch algorithm that sounds much better than AvAudioUnitTimePitch. I was making an iOS app around it using AVAudioEngine, thinking I could insert my algorithm into a AUv3 extension, and simply replace AvAudioUnitTimePitch. However,…
Steve M
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0 answers

Integrate app with The Audiounit, AUv3 protocol

So, I have written a iOS MIDI controller app using AudioKit (v5). The connectivity part is as simple as: let engine = AudioKit.MIDI() engine.createVirtualOutputPorts() engine.openOutput() I then send notes to the engine with…
pistacchio
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2
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1 answer

NS3 Mobility models in WSN

In ns-3, how can I move a node to specific points using mobilitymodel. I want to make a list, containing pre-defined positions/points, and move node to every point, and pause at every point, for example 1 second. Furthermore, I don't know how to…
Lara alnajjar
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1 answer

Why does my AudioUnit (AUv3) host lose XPC connection immediately after instantiation in iOS 14?

I'm an author of an AudioUnit host for iOS written in Objective C. In iOS 14, it began crashing on instantiation of any AU instrument, but the same AUs work in other hosts. If I put a break in the completion handler for…
Louis Gorenfeld
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2
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2 answers

How to schedule MIDI events at "sample accurate" times?

I'm trying to build a sequencer app on iOS. There's a sample on the Apple Developer website that makes an audio unit play a repeating scale, here: https://developer.apple.com/documentation/audiotoolbox/incorporating_audio_effects_and_instruments In…
Mike
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2
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0 answers

Change Display Name of an AudioUnit extension

How can one change the Display Name of an iOS AudioUnit extension? I built my project with Xcode 11.1 and am running it on iOS 13. What I have already tried : In the General tab of the target, change the Display Name value. In the info.plist of the…
Nitenq
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2
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0 answers

Access iOS In-App Purchases from App Extension

Is it possible to perform and access iOS In-App Purchases from inside an App Extension? I want to have shared purchases between App Extension and the containing app. I have an iOS App that contains an AudioUnit v3 App Extension. The AUv3 runs in…
basteln
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Why is my AUv3 randomly disappearing with "viewServiceDidTerminateWithError"?

I’ve encountered a strange problem during iOS AUv3 Instrument development which I’m having trouble finding information on. I’ve spent a couple weeks now attempting to debug this, and I was wondering if anyone else has encountered it. It feels more…
Louis Gorenfeld
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MIDI processor passthru AudioUnit doesn't receive MIDI events

I'm trying to create a simple pure MIDI Audio Unit (AUv3) that could act as a pipe between for example an AVMusicTrack (played by an AVAudioSequencer) and an AVAudioUnitSampler. I used the default audio extension template generated by XCode 13.2.1…
Pierre Mardon
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Audiokit AUv3 host get bpm

I’m working in an Audiokit AUv3 app. I have a simple question. Is there any way to get bpm tempo from host when running as AUv3 on iOS? Thanks a lot.
pablo lopez lozano
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0 answers

AUv3 extension based on AVAudioUnitSampler not registered

I created a multi-timbral instrument application based on multiple AVAudioUnitSampler instances (one per Midi channel), wrapped in a custom AVSampler class. I want to expose it also as an AUv3. I followed some articles and samples and put the view…
cjed
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1
vote
2 answers

Develop an Audiounit in Swift

I have an application that should also work as an AudioUnit plugin. In Xcode, I go to File > New > Target, select AudioUnit and make sure that the selected language is "Swift". In the generated code, though, I have that the actual code of the plugin…
pistacchio
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1
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2 answers

How to make an iOS app recognized as AudioUnit?

I'm trying to make a minimal iOS plugin from scratch. Starting from an empty iOS app (Swift 5, XCode 12.5), I thought it would suffice to add the following dict to the project's Info.plist to make it recognized as an AudioPlugin, but, having…
pistacchio
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0 answers

Timestamping in AUv3 MIDI plug-in for iOS

I am trying to understand how timestamping works for an AUv3 MIDI plug-in of type "aumi", where the plug-in sends MIDI events to a host. I cache the MIDIOutputEventBlockand the transportStateBlock properties into _outputEventBlock and…
caminante errante
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