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Screen flashes black when 2 transparent PNGs are used.

Tags: png, transparent, alpha png, transparent, alpha png, transparent, alpha
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petrn
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Hello,

Whenever I place 2 more more transparent PNG files on top of each other, the screen will turn black for one frame. In this example, the timeline looks like:

Track 3: PNG 2
Track 2: PNG 1
Track 1: Video

Image

(Link to example video: https://imgur.com/F9gNy5B)

One PNG is fine. But, as soon as the second or third PNG is added, everything below the PNG files will turn black for a frame.

Is there a way to fix this? Transparent PNG files are fundamental to my project.
capslock
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Hmmm... Just tried it and it works well. Had to add a Composite Transition between the two PNGs (otherwise the upmost would turn the rest of the screen except the PNG itself black). If you did the same, zoom in to the transitions beginning and make sure it does not start a frame to late. That could happen easily if one edits a clip with a transition.
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petrn
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Hi,

Thanks so much for the response. My mistake was not adding the Composite Transition.

Image

I was also able to add another transparent PNG and more transitions (like Slide and Dissolve) without issue.
capslock
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Hey, nice to get it solved easily.
You may want to help others with the same problem by editing your first post and add "SOLVED" to the title. :-)
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petrn
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I clicked on the "Solved" button in your comment box, but I can't figure out how to change the Topic title.


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