Backport of "decklinkvideosrc: Retrieve mode of the ancillary data from the frame" into 1.16
requested to merge tpm/gst-plugins-bad:backport-mr-541-into-1.16-decklink-vanc-extraction-auto-mode into 1.16
Backport of !541 (merged) "decklinkvideosrc: Retrieve mode of the ancillary data from the frame".
Needs manual intervention, cherry-picking failed!
Commits:
Edited by Sebastian Dröge