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nf-acxdataformat-acxdataformatgetmajorformat.md

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UID tech.root title ms.date targetos description prerelease req.assembly req.construct-type req.ddi-compliance req.dll req.header req.idl req.include-header req.irql req.kmdf-ver req.lib req.max-support req.namespace req.redist req.target-min-winverclnt req.target-min-winversvr req.target-type req.type-library req.umdf-ver req.unicode-ansi topic_type api_type api_location api_name f1_keywords dev_langs
NF:acxdataformat.AcxDataFormatGetMajorFormat
audio
AcxDataFormatGetMajorFormat
12/15/2022
Windows
AcxDataFormatGetMajorFormat
false
function
acxdataformat.h
<= DISPATCH_LEVEL
apiref
LibDef
acxdataformat.h
AcxDataFormatGetMajorFormat
AcxDataFormatGetMajorFormat
acxdataformat/AcxDataFormatGetMajorFormat
c++

-description

The AcxDataFormatGetMajorFormat function gets the major format for the specified data format.

-parameters

-param DataFormat [in]

The data format for which to retrieve the major format.

-returns

Returns a GUID value representing the major format for the specified DataFormat.

-remarks

Specifies the general format type. The data formats that are currently supported can be found in the KSDATAFORMAT_TYPE_XXX symbolic constants in the ksmedia.h header file that is included in the Windows Driver Kit (WDK). A data stream that has no particular format should use KSDATAFORMAT_TYPE_STREAM (defined in ks.h) as the value for its major format.

ACX requirements

Minimum ACX version: 1.0

For more information about ACX versions, see ACX version overview.

-see-also