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Fix interlaced field order with FFmpeg fieldorder and setfield
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What this guide covers
For editors with interlaced footage whose field order is wrong or only mislabelled. You end with a way to decide between converting the order and relabelling it, plus the manual's PAL DV conversion. Based on the FFmpeg manual; no command was run.
More about this guide
Guide ID: art_01M6VNXJPQVCTHJF36ZA4S6E7K
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Guide title
Fix interlaced field order with FFmpeg fieldorder and setfield
Coverage
For editors with interlaced footage whose field order is wrong or only mislabelled. You end with a way to decide between converting the order and relabelling it, plus the manual's PAL DV conversion. Based on the FFmpeg manual; no command was run.
Example
A hypothetical DVD VOB is converted to bottom-field-first DV using the manual's example; a second relabel-then-deinterlace route is an untested idea.
Useful starting points
- If nothing changes, the input may not be flagged interlaced or may already have the requested order, so check the flag first.
- Juddering after deinterlacing often points to a wrong field flag; fix the label before the deinterlacer.
- A slight vertical shift after conversion is expected, so avoid unnecessary conversions.
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