Backport of "compositor: Skip background when a pad obscures it completely" into 1.16
requested to merge tpm/gst-plugins-base:backport-mr-287-into-1.16-compositor-skip-background into 1.16
Backport of !287 (merged) "compositor: Skip background when a pad obscures it completel".
Commits:
- cf3287db compositor: Remove unused function argument
- a3462a2c compositor: Add some comments, remove outdated ones
- ecec30c1 compositor: Factor-out rectangle-obscuring check
- 65615a84 compositor: Don't log per-frame under GST_INFO
- ba20aec5 compositor: Skip the background when not visible
- ba4484c6 compositor: Skip background if transparent and obscured
- bb1650cf compositor: Sprinkle some const in prototypes