Issues with coreaudiod in 10.5.2?

Edward Hahn ehahn at isochronism.com
Fri Mar 7 12:16:12 EST 2008


Steve Sisak wrote:
> The audio half of the camera is controlled by Apple's USB Audio Class
> driver directly, so we don't really have any control over it -- that
> would be between the camera firmware and Apple's driver.
>
> If you have access to bugreport.apple.com, please file a bug and send
> me that bug number -- I will do so as well.
>
> That said, the video channel can use all of the Isochronous bandwidth
> on the bus and if the video stream starts up before the audio stream,
> could cause the audio stream to fail because there's no bandwidth
> left.
>
> You could try reducing the setting of the "bandwidth" slider in the
> video settings, which will force the video driver to limit how much
> USB bandwidth it uses. If this clears the problem then it's most
> likely a bug in Apple's audio driver causing it to crash when it
> can't allocate bandwidth.

Great - I'll give that a try when I get a chance, and will report back. 
And thanks for the confirmation Andi...

ed
-- 
Ed Hahn / ehahn at isochronism.com
"It don't mean a thing if it ain't got an even swing!"


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