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Undo pulldown with FFmpeg pullup
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What this guide covers
For editors working with film-sourced video that was telecined to roughly 29.97 fps. You end with a plan for recovering progressive 24 fps frames using pullup and fps. It is based on the FFmpeg manual and was not run.
More about this guide
Guide ID: art_01M6W95VGW89J83N9D1VQP2TPQ
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Guide title
Undo pulldown with FFmpeg pullup
Coverage
For editors working with film-sourced video that was telecined to roughly 29.97 fps. You end with a plan for recovering progressive 24 fps frames using pullup and fps. It is based on the FFmpeg manual and was not run.
Example
A hypothetical NTSC film transfer processed with pullup and a 24000/1001 frame rate, where you would look for combing and dropped frames in action scenes; nothing was run.
Useful starting points
- Add the fps filter after pullup so the output has an even frame rate.
- The strict breaks option set to 1 can drop too many frames in fast motion, while -1 may leave interlaced frames.
- Step through a pan afterwards to check that no combed frames remain.
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