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kAudioDevicePropertyBufferFrameSize notification in a driver

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kAudioDevicePropertyBufferFrameSize notification in a driver

Subject: kAudioDevicePropertyBufferFrameSize notification in a driver
From: Stéphane Letz <email@hidden>
Date: Thu, 9 Dec 2004 16:02:46 +0100

Hi,

in our driver that implements the AudioHarwarePluIn.h API, we want to implement the kAudioDevicePropertyBufferFrameSize notification. It is basically working but sometimes applications crash when the buffer size notification is sent.

I quess a driver must stop calling the IO callback while the client is possibly changing its internal state (like changing its internal buffer size...) then start the IO again.

How things should be done to avoid problems?

Thanks

Stephane Letz

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