Contains the MPEG-1 or MPEG-2 sequence header for a video media type.
For h264 and h265 video, the blob contains concatenated NAL units in Annex B format, along with their start codes. Specifically, for h264 video they are SPS & PPS NAL units. For h265 they are VPS, SPS & PPS.
The GUID constant for this attribute is exported from mfuuid.lib.
|Minimum supported client
||Windows Vista [desktop apps | UWP apps]
|Minimum supported server
||Windows Server 2008 [desktop apps | UWP apps]