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Why do Apple Audio Units fail out of the box? I can neither see them nor test them with auval.
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Why do Apple Audio Units fail out of the box? I can neither see them nor test them with auval.


  • Subject: Why do Apple Audio Units fail out of the box? I can neither see them nor test them with auval.
  • From: Wayne <email@hidden>
  • Date: Fri, 18 Apr 2014 18:24:44 -0700

OS X 10.9.2. Xcode 5.1.1. Downloaded the Apple Sample code for Audio Units. Built the “Filter” example

1. The FilterDemo target was not copying the CocoaUI target into the bundle. No UI.

2. The project was set to bulld for Standard Archictectures only - and thus could not be seen by auval

3. Changing this to Universal (32/64-bit Intel) now allows the “Filter” demo to be seen in AULab.

4. You can not test this plug-in in AU Lab. You a:

fiat-lux:~ $ auval -vt AUFX FILT

    AU Validation Tool
    Version: 1.6.1a1 
    Copyright 2003-2013, Apple Inc. All Rights Reserved.
    Specify -h (-help) for command options

--------------------------------------------------
VALIDATING AUDIO UNIT: 'AUFX' - '00000000' - 'FILT'
--------------------------------------------------
ERROR: Cannot get Component's Name strings
ERROR: Error from retrieving Component Version: -50

* * FAIL
--------------------------------------------------
TESTING OPEN TIMES:
FATAL ERROR: didn't find the component
fiat-lux:~ $ auval -vt AUFX FILT

    AU Validation Tool
    Version: 1.6.1a1 
    Copyright 2003-2013, Apple Inc. All Rights Reserved.
    Specify -h (-help) for command options

--------------------------------------------------
VALIDATING AUDIO UNIT: 'AUFX' - '00000000' - 'FILT'
--------------------------------------------------
ERROR: Cannot get Component's Name strings
ERROR: Error from retrieving Component Version: -50

* * FAIL
--------------------------------------------------
TESTING OPEN TIMES:
FATAL ERROR: didn't find the component

What changes would you suggest to make the Apple supplied shipping sample code actually work?

What is wrong with auval that it does not recognize the built-in Apple AudioUnits?

Thanks,


Wayne
——
PS I am seeing the same result for the BUILT-IN Apple AudioUnits

fiat-lux:~ $ auval -a

    AU Validation Tool
    Version: 1.6.1a1 
    Copyright 2003-2013, Apple Inc. All Rights Reserved.
    Specify -h (-help) for command options

aufx FILT DEMO  -  Apple Sample Code: Filter (Effect AU)
aufx bpas appl  -  Apple: AUBandpass
aufx dcmp appl  -  Apple: AUDynamicsProcessor
aufx dely appl  -  Apple: AUDelay
aufx dist appl  -  Apple: AUDistortion
aufx filt appl  -  Apple: AUFilter
aufx greq appl  -  Apple: AUGraphicEQ

fiat-lux:~ $ auval -vt aufx FILT

    AU Validation Tool
    Version: 1.6.1a1 
    Copyright 2003-2013, Apple Inc. All Rights Reserved.
    Specify -h (-help) for command options

--------------------------------------------------
VALIDATING AUDIO UNIT: 'aufx' - '00000000' - 'FILT'
--------------------------------------------------
ERROR: Cannot get Component's Name strings
ERROR: Error from retrieving Component Version: -50

* * FAIL
--------------------------------------------------
TESTING OPEN TIMES:
FATAL ERROR: didn't find the component
fiat-lux:~ $ 

fiat-lux:~ $ auval -vt aufx bpas

    AU Validation Tool
    Version: 1.6.1a1 
    Copyright 2003-2013, Apple Inc. All Rights Reserved.
    Specify -h (-help) for command options

--------------------------------------------------
VALIDATING AUDIO UNIT: 'aufx' - '00000000' - 'bpas'
--------------------------------------------------
ERROR: Manufacturer OSType should have at least one non-lower case character: 'bpas'
ERROR: Cannot get Component's Name strings
ERROR: Error from retrieving Component Version: -50

* * FAIL
--------------------------------------------------
TESTING OPEN TIMES:
FATAL ERROR: didn't find the component
fiat-lux:~$ 

fiat-lux:~$ auval -vt aufx dcmp

    AU Validation Tool
    Version: 1.6.1a1 
    Copyright 2003-2013, Apple Inc. All Rights Reserved.
    Specify -h (-help) for command options

--------------------------------------------------
VALIDATING AUDIO UNIT: 'aufx' - '00000000' - 'dcmp'
--------------------------------------------------
ERROR: Manufacturer OSType should have at least one non-lower case character: 'dcmp'
ERROR: Cannot get Component's Name strings
ERROR: Error from retrieving Component Version: -50

* * FAIL
--------------------------------------------------
TESTING OPEN TIMES:
FATAL ERROR: didn't find the component
fiat-lux:~ $ 

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