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BUG: Video partly covered is not displayed or rendered!

PostPosted: Fri Jun 07, 2019 11:10 pm
by harett
Don't know if this is new bug in beta 4 since I didn't play with previous ones too much.

I have 3 vertical videos next to each other, in standard FullHD 16:9 frame.
If they are not touching each other, everything is ok.
If the video that is on top layer covers the one below even by only 1 pixel, suddenly the bottom video isn't displayed at all - it's just black!
If I decrease the opacity of top vid from 100% to 99%, then suddenly the bottom video is displayed correctly again! Changing blending from normal to something else works too (but this of course isn't a fix).

It's not just display bug - the video renders this way (with empty black space instead of bottom vido) too!

Since I did some coding in my time :lol: I bet you have a function somewhere that checks if the video is covered to speed up editing/rendering if it's not visible. The only problem is the function doesn't check properly if the whole video is covered, or more likely the returned value isn't handled properly...