Backport of "mpegtspacketizer: memcmp potentially seen_before data" into 1.18
Backport of !2468 (merged) "mpegtspacketizer: memcmp potentially seen_before data".
Commits:
- fcad4cc6 mpegtspacketizer: memcmp potentially seen_before data
Backport of !2468 (merged) "mpegtspacketizer: memcmp potentially seen_before data".
Commits: