Learning Core Audio - AUSampler iOS example - can't get it to run CH12_MIDIToAUSamplerIOS.xcodeproj
Learning Core Audio - AUSampler iOS example - can't get it to run CH12_MIDIToAUSamplerIOS.xcodeproj
- Subject: Learning Core Audio - AUSampler iOS example - can't get it to run CH12_MIDIToAUSamplerIOS.xcodeproj
- From: Pier <email@hidden>
- Date: Wed, 17 Oct 2012 11:01:11 +0800
Hi,
I've been using the example from the source code CH12_MIDIToAUSamplerIOS from the book "Learning Core Audio" and can't seem to get the iOS device to recognise my midi keyboard.
Here are the connections :
Midi keyboard -> Macbook Pro
Macbook Pro -> iPad (actual device)
The app runs fine, but I hear no sounds when I press the keys on the midi keyboard.
The midi keyboard doesn't seem to trigger the callbacks in the code (no log statements).
There doesn't seem to be any errors trigger, I see that it detected one midi source and proceeded to use that for the app.
I get this log output...
2012-10-17 10:53:37.261 CH12_MIDIToAUSamplerIOS[16188:907] presetPathC: /var/mobile/Applications/B3A3ECBC-EBB0-4DD4-9B3D-9629E316BF40/CH12_MIDIToAUSamplerIOS.app/ch12-aupreset.aupreset
2012-10-17 10:53:37.279 CH12_MIDIToAUSamplerIOS[16188:907] AUGraph ready
AudioUnitGraph 0x3F3C000:
Member Nodes:
node 1: 'auou' 'rioc' 'appl', instance 0x1dd96c20 O I
node 2: 'aumu' 'samp' 'appl', instance 0x1e86f230 O I
Connections:
node 2 bus 0 => node 1 bus 0 [ 2 ch, 44100 Hz, 'lpcm' (0x00000029) 32-bit little-endian float, deinterleaved]
CurrentState:
mLastUpdateError=0, eventsToProcess=F, isRunning=F
1 sources
source 0: Session 1
2012-10-17 10:54:03.619 CH12_MIDIToAUSamplerIOS[16188:907] MIDI ready
2012-10-17 10:54:12.974 CH12_MIDIToAUSamplerIOS[16188:907] MIDI app running
2012-10-17 10:54:19.270 CH12_MIDIToAUSamplerIOS[16188:907] Application windows are expected to have a root view controller at the end of application launch
Could someone help shine a light on this? Am I doing it wrong somehow?
Thanks in advance.
Pier.
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