KSPROPERTY_DIRECTSOUND3DLISTENER_VELOCITY
The KSPROPERTY_DIRECTSOUND3DLISTENER_VELOCITY property specifies the velocity vector of a 3D listener.
Usage Summary Table
| Get | Set | Target | Property descriptor type | Property value type |
|---|---|---|---|---|
Yes |
Yes |
Pin |
The property value (operation data) is a structure of type DS3DVECTOR that specifies the velocity vector. Velocity is expressed in distance units per second. The default distance unit is a meter. The distance unit can be changed by sending a KSPROPERTY_DIRECTSOUND3DLISTENER_DISTANCEFACTORset-property request.
Return Value
A KSPROPERTY_DIRECTSOUND3DLISTENER_VELOCITY property request returns STATUS_SUCCESS to indicate that it has completed successfully. Otherwise, the request returns an appropriate error status code.
Remarks
DirectSound uses this property to implement the IDirectSound3DListener::GetVelocity and IDirectSound3DListener::SetVelocity methods, which are described in the Microsoft Windows SDK documentation.
Requirements
Header |
Ksmedia.h (include Ksmedia.h) |
See also
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