Buffer size change property?
Buffer size change property?
- Subject: Buffer size change property?
- From: Eric Gorouben <email@hidden>
- Date: Tue, 26 Mar 2013 14:23:41 +0100
Hi,
In the HAL plugin design, the buffer size changes used the kAudioDevicePropertyBufferFrameSize property.
This property doesn't seem to exist in the new audio server plugin implementation.
AudioServerPlugin.h:
> RequestDeviceConfigurationChange:
> When a plug-in's device object needs to change its structure or change any state related to IO for any reason, it must begin this operation by invoking this Host method.(...)The sorts of changes that must go through this mechanism are anything that affects either the structure of the device or IO. This includes (...), changing the size of the ring buffer...
While I can easily find the property associated with such changes in AudioHardwareBase.h (kAudioDevicePropertyNominalSampleRate, kAudioDevicePropertySafetyOffset
, etc) I can't find the mechanism for the buffer size.
How does in work?
Thanks
Eric
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