Re: IOAudioStream::clipIfNecessary() - Error???
Re: IOAudioStream::clipIfNecessary() - Error???
- Subject: Re: IOAudioStream::clipIfNecessary() - Error???
- From: Jeff Moore <email@hidden>
- Date: Mon, 15 Dec 2008 11:46:34 -0800
I have never known this log message to be indicative of an IO problem.
In fact, it is more likely that the app experiencing the glitch had
it's problem first. Then, after the HAL resynchronized as part of
recovering from the glitch, it triggered this log message when it
resumed calling the kernel trap.
On Dec 14, 2008, at 11:12 PM, Stephan M. Bernsee wrote:
Hi Jeff,
thank you for your reply. So, does this mean that this message is
not related to the audio hiccup that we are observing at roughly the
same point in time?
Thanks
Stephan
This log message is harmless. All it is saying is that a new client
is
starting IO at a point in time that has already been mixed/clipped by
the driver, which is something that is handled internally by the
IOAudio family.
On Dec 9, 2008, at 11:21 PM, Stephan M. Bernsee wrote:
when working with our app we are seeing occasional audio drop outs
along with the console message
12/9/08 11:28:24 PM kernel
IOAudioStream[0x6e48300]::clipIfNecessary() - Error: attempting to
clip to a position more than one buffer ahead of last clip position
(49,3bc9)->(4c,17ae).
every now and then. Does any of you have any idea where this might
come from, what it means and where we should start looking for a
potential bug in our code?
--
Jeff Moore
Core Audio
Apple
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