KSPROPERTY_PIN_PHYSICALCONNECTION

Audio adapter drivers use the KSPROPERTY_PIN_PHYSICALCONNECTION property to denote physical connections between miniports.

Usage Summary Table

GetSetTargetProperty Descriptor TypeProperty Value Type

Yes

No

Pin

KSP_PIN

KSPIN_PHYSICALCONNECTION

 

Remarks

Specify this property using KSP_PIN, where the member specifies the relevant pin factory.

KSPROPERTY_PIN_PHYSICALCONNECTION returns a structure of type KSPIN_PHYSICALCONNECTION, specifying the connected PinId and the symbolic link name of the connected filter.

The class driver does not handle this property; the stream minidriver must provide handling on its own.

Audio adapter drivers register connections with PcRegisterPhysicalConnection.

Subsequently, the SysAudio system driver (sysaudio.sys) queries this property and builds the graph accordingly. SysAudio uses this property to determine which wave filter pin is connected to which topology filter pin.

Requirements

Header

Ks.h (include Ks.h)

See also

KSP_PIN
KSPIN_PHYSICALCONNECTION
PcRegisterPhysicalConnection

 

 

Send comments about this topic to Microsoft

Show:
© 2014 Microsoft