Re: Recommended way to handle suspend/resume on notebooks
Re: Recommended way to handle suspend/resume on notebooks
- Subject: Re: Recommended way to handle suspend/resume on notebooks
- From: Jeff Moore <email@hidden>
- Date: Wed, 14 Oct 2009 12:16:24 -0700
On Oct 14, 2009, at 12:10 PM, Stéphane Letz wrote:
You are calling AudioHardwareSetProperty incorrectly. The obvious
problem is that you are passing NULL for the inPropertyData when you
should be passing the address of a CFRunLoopRef that is set to NULL.
The other problem is that AudioHardwareSetProperty is deprecated and
you should use AudioObjectSetPropertyData. The code would look like
this:
CFRunLoopRef theRunLoop = NULL;
AudioObjectPropertyAddress theAddress =
{ kAudioHardwarePropertyRunLoop, kAudioObjectPropertyScopeGlobal,
kAudioObjectPropertyElementMaster };
OSStatus theError = AudioObjectSetPropertyData
(kAudioObjectSystemObject, &theAddress, 0, NULL, sizeof
(CFRunLoopRef),
&theRunLoop);
This should probably be the first call into the HAL that the process
makes. So sticking it somewhere near the beginning of main() is a
good
idea.
Thanks that fixed the problem!
Excellent.
Any other possible breaking change that SL introduces?
After so long in development, I'm sure there are others. But this one
was a pretty big one.
Is there any CoreAudio change list somewhere?
Not to my knowledge.
--
Jeff Moore
Core Audio
Apple
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