Commit 2ecb9556 authored by Committed by Gwenole Beauchesne
overlay: fix support for global-alpha.
Fix support for global-alpha subpictures. The previous changes brought the ability to check for GstVideoOverlayRectangle changes by comparing the underlying pixel buffer pointers. If sequence number and pixel data did not change, then this is an indication that only the global-alpha value changed. Now, try to update the underlying VA subpicture global-alpha value. Signed-off-by: Gwenole Beauchesne <firstname.lastname@example.org>
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