Additional examples are adjusted to the entries in an automated way - we cannot guarantee that they are correct.
Such packets are commonly referred to as End of Active Video, or EAV packets.
Horizontal scan lines of video pixel data are delimited in the stream by 4-byte long SAV (Start of Active Video) and EAV (End of Active Video) code sequences.
Using a standard SDI transport, the extra data is placed within normal active video, between Start of Active Video (SAV), and End of Active Video (EAV).