Backport of "splitmuxsrc: Make PTS contiguous by preference" into 1.22
Backport of !4637 (merged) "splitmuxsrc: Make PTS contiguous by preference".
Commits:
- 131d5951 splitmuxsrc: Make PTS contiguous by preference
Backport of !4637 (merged) "splitmuxsrc: Make PTS contiguous by preference".
Commits: