Re: AudioDevice, sleep time after device stream changed is in need?
Re: AudioDevice, sleep time after device stream changed is in need?
- Subject: Re: AudioDevice, sleep time after device stream changed is in need?
- From: Jeff Moore <email@hidden>
- Date: Wed, 9 Jul 2003 11:54:20 -0700
The HAL is, for the most part, an asynchronous API. The length of time
between setting a property and getting the notification that the value
changed is going to vary depending on lots of factors including, but
not limited to: the device's characteristics, how busy the run loop the
HAL is receiving notifications on is, the CPU load, etc.
Consequently, the HAL makes no guarantees about the timeliness of
notification delivery.
On Wednesday, July 9, 2003, at 8:48 AM, Nobuyasu Jinnai/神内伸恭 wrote:
Dir sir,
I face the problem about AudioDevice.
At resently test, some device have to some seconds
after Set kAudioDevicePropertyStreamFormat to get the device
information.
In test case, longer waiting time is needed to obtain
other information like buffer size range.
Please tell me about that.
Best regards,
--Jinnai
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--
Jeff Moore
Core Audio
Apple
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