Critical Issue
Description
SDI II receiver unable to get frame_locked when the video payload identifier (VPID) is not embedded in the receiving data.
This issue affects the Triple rate, Dual-Link and 3G-SDI video standards in 12.1.
Resolution
There is no workaround for this issue. You need to ensure that the receiving data contains VPID.
This issue is fixed in 12.1sp1.