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black flash frames on renders… ugh.
i’m rendering quicktimes at a resolution of 1000 x 563… small previews render just fine, but at full resolution the quicktimes have odd black flash frames in them.
anyone know what’s going on? -
3 Replies
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Hey there,
Couple of things to try first.
1. Have you tried rendering in uncompressed AVI to see if the same happens?
2. Have you tried a different quicktime codec (Animation, PhotoJpeg) to see if it happens?Alex
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rendering now at ‘lossless’, which is actually animation compression. should render just fine… but it doesn’t.
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Additionally, also render a smaller length. For example, if you are rendering 30secs of video, just reselect 3 seconds and see if the black occurs then. I have once seen an effect that caused weirdness in render after rendering 50frames due to some memory leak error but never if it was only rendering 30 frames in a row. Weird stuff.
Also if you are rendering these two different length movies out, check if the black happens in the exact same spot or if it moves each time.
As Dave said, simple stuff, but it’s an exercise in dumbing the whole composition down until you find it. So start turning off effects, all the way down to temporarily replacing the footage layer (if you have one) with a still and see if it does it. It’s has to show up sooner or later.
Alex
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