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Chapter image extractions feature request


computerprep
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computerprep

I just ran across as movie with pointless chapter image extractions. The chapter markers happen to sit on almost 100% black or white pics for the first 3 chapters. This could happen at custom chapter points or the default 5-minute marks.

 

post-1756-0-54914400-1521521255_thumb.png

 

Any chance the chapter image extraction could actually assess the image it extracts for variation in pixel color value?

 

For example, if there's < 10% color variation on a standard RGB scale, then have ffmpeg extract an image from timecode 10 seconds later.

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We already do. I think we have it set right now to grab 20 frames for each one and then it picks the best one. We've increased and decreased this number over the years. A higher number of frames improves the output, but also causes it to take longer so we end up having to deal with complaints over that.

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computerprep

Cool. I wonder if those settings could be adjustable somewhere, for people with enough processing power.

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