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Strange stripes in red parts of movies while transcoding

transcoding red stripes

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#1 cybaspace OFFLINE  



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Posted 16 May 2019 - 09:39 AM



I noticed that transcoding has some troubles with the red parts in a movie. In the original video it's all nice and clean but when I transcode a movie (for baking in subs) I see strange bars appearing like this:



The original movie doesn't have problems with red colors. There are no issues with other colors, only red.


I already lowered the H264 encoding CRF but that didn't made any difference.

Are there other users who experience the same and is there a solution to fix this?



#2 Luke OFFLINE  


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Posted 16 May 2019 - 11:51 AM

Please attach the ffmpeg log. Thanks.

Also tagged with one or more of these keywords: transcoding, red stripes

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