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Pick a representative poster frame from a clip with the FFmpeg thumbnail filter
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What this guide covers
For editors who want an automatic poster or contact-sheet frame from a clip. You end with a resized image or a set of images chosen per batch of frames. It is based on the FFmpeg manual and no command was run; the pick is by the filter's own measure.
More about this guide
Guide ID: art_01M6TZ2MCGC1V0FRHAH8Y31G44
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Guide title
Pick a representative poster frame from a clip with the FFmpeg thumbnail filter
Coverage
For editors who want an automatic poster or contact-sheet frame from a clip. You end with a resized image or a set of images chosen per batch of frames. It is based on the FFmpeg manual and no command was run; the pick is by the filter's own measure.
Example
A hypothetical 30 fps clip of 3000 frames with a batch of 50, giving about 60 pictures by arithmetic; nothing was run.
Useful starting points
- A larger batch size uses more memory, so lower it if memory use is heavy.
- The filter picks a representative frame, not the best-looking one; check the result by eye.
- For several pictures use a numbered output pattern and remove the one-frame output limit.
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