KSCATEGORY_TOPOLOGY
The KSCATEGORY_TOPOLOGY device interface class is defined for the kernel streaming (KS) functional category for the internal topology of an audio device.
Attribute | Setting |
---|---|
Identifier |
KSCATEGORY_TOPOLOGY |
Class GUID |
{DDA54A40-1E4C-11D1-A050-405705C10000} |
Remarks
Drivers for KS audio adapter devices register instances of KSCATEGORY_TOPOLOGY to indicate to the operating system that the devices support the KSCATEGORY_TOPOLOGY functional category.
For information about device interface classes for audio adapters, see Installing Device Interfaces for an Audio Adapter.
The AC'97 sample driver that is provided in the WDK enumerates instances of the KSCATEGORY_TOPOLOGY device interface class.
The sysfx sample in the WDK registers instances of this device interface class. The sysfx sample is located in the src\audio\sysfx directory of the WDK.
Requirements
Header |
Ksmedia.h (include Ksmedia.h) |
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