Damn I was not subscribed to the list. If anyone answered already I didn’t get it. Sorry.
On Fri, Feb 21, 2020 at 2:24 PM J Navarro <[email protected]> wrote: > Hi guys, I need some help with rendering an AUAudioUnit. I have created it > with: > > [AUAudioUnit > instantiateWithComponentDescription:compon.audioComponentDescription > options:0 completionHandler:^(AUAudioUnit * __nullable audioUnit, NSError * > __nullable error) { > > if (error != nil || audioUnit == nil) { return ; } > > NSError *err; > [audioUnit allocateRenderResourcesAndReturnError:&err]; > > AVAudioFormat *format = [self.audioEngine.outputNode > outputFormatForBus:0]; [[audioUnit.inputBusses objectAtIndexedSubscript:0] > setFormat:format error:nil]; > [[audioUnit.outputBusses objectAtIndexedSubscript:0] setFormat:format > error:nil]; > > As you can see I’m allocating the render resources, then I’m setting the > format of the input and output. > > I’m calling the .renderBlock on e each buffer callback, setting the > rendering flags to 0, giving it the buffer list that needs to be filled, > and giving it an input block, which sets the buffer list to buffers of > incoming audio. > > The renderBlock doesn’t call my input block, and returns an OSStatus of > -10876, which is > > kAudioUnitErr_NoConnection > > What do I have to do to get this thing to render? Thanks. > > -- -- Sonic Kat
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