[email protected] on November 10, 2016 at 12:00 PM -0800 wrote: >My host needs to call an AUv3 Extension's AURenderBlock without using an >AUGraph or AVAudioEngine. > >Instantiating the AU and getting its viewController works fine; but when I >call the AURenderBlock I get kAudioUnitErr_Uninitialized. I guess I need to >manually initialise the AU. > >How do I do this? > >[AVAudioUnit >instantiateWithComponentDescription:AVUnit.audioComponentDescription >options:options completionHandler:^(AVAudioUnit* avAudioUnit, NSError* >error) { > > AU = avAudioUnit.AUAudioUnit; > //AudioUnitInitialize( avAudioUnit.audioUnit ); <-- this does >not work > > // open the GUI for the plugin, this works without an issue > [AU >requestViewControllerWithCompletionHandler:^(AUViewControllerBase* >AUviewController) { > pluginViewController = AUviewController; > }]; > > audioUnitRenderBlock = AU.renderBlock; > >}];
If you're not using the engine you don't really even need to use AVAudioUnit. Use AUAudioUnit, call the factory + instantiateWithComponentDescription: options: completionHandler: then call allocateRenderResourcesAndReturnError: to initialize the AUv3. regards, edward
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