The PKEY_AudioEngine_OEMFormat property specifies the default format of the device that is used for rendering or capturing a stream. The values are populated by the OEM in an .inf file.

The vt member of the PROPVARIANT structure is set to VT_BLOB.

The blob member of the PROPVARIANT structure is a structure of type BLOB that contains two members. Member blob.cbSize is a DWORD that specifies the number of bytes in the format description. Member blob.pBlobData points to a WAVEFORMATEX structure that contains the format description. For more information about BLOB, see the Windows SDK documentation. For more information about WAVEFORMATEX, see the Windows DDK documentation.


Minimum supported client

Windows 7 [desktop apps only]

Minimum supported server

Windows Server 2008 R2 [desktop apps only]



See also

Audio Endpoint Properties
Core Audio Properties