IMFMediaType::GetMajorType method (mfobjects.h)

Gets the major type of the format.


HRESULT GetMajorType(
  [out] GUID *pguidMajorType


[out] pguidMajorType

Receives the major type GUID. The major type describes the broad category of the format, such as audio or video. For a list of possible values, see Major Media Types.

Return value

The method returns an HRESULT. Possible values include, but are not limited to, those in the following table.

Return code Description
The method succeeded.
The major type is not set.


This method is equivalent to getting the MF_MT_MAJOR_TYPE attribute from the media type.

This interface is available on the following platforms if the Windows Media Format 11 SDK redistributable components are installed:

  • Windows XP with Service Pack 2 (SP2) and later.
  • Windows XP Media Center Edition 2005 with KB900325 (Windows XP Media Center Edition 2005) and KB925766 (October 2006 Update Rollup for Windows XP Media Center Edition) installed.


Minimum supported client Windows Vista [desktop apps | UWP apps]
Minimum supported server Windows Server 2008 [desktop apps | UWP apps]
Target Platform Windows
Header mfobjects.h (include Mfidl.h)
Library Mfuuid.lib

See also