pszDataType (PSZ)

Data type.

For an OD_QUEUED or OD_DIRECT device, this parameter defines the type of data that is to be queued as follows:

PM_Q_STD

Standard format
PM_Q_RAW
Raw format
Note that a device driver can define other data types.

For OD_QUEUED or OD_DIRECT defice types, the default is supplied by the device driver if pszDataType is not specified. For any other device type, pszDataType is ignored.