MFSampleExtension_Discontinuity attribute

Specifies whether a media sample is the first sample after a gap in the stream.

Data type

BOOL stored as UINT32


To get this attribute, call IMFAttributes::GetUINT32.

To set this attribute, call IMFAttributes::SetUINT32.

Applies to



This attribute applies to media samples. If this attribute is TRUE, it means there was a discontinuity in the stream and this sample is the first to appear after the gap.

If this attribute is not set, the default value is FALSE.

The GUID constant for this attribute is exported from mfuuid.lib.


Requirement Value
Minimum supported client
Windows Vista [desktop apps | UWP apps]
Minimum supported server
Windows Server 2008 [desktop apps | UWP apps]

See also

Alphabetical List of Media Foundation Attributes

Sample Attributes

Media Samples