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Find out if a video is interlaced, and its field order, with FFmpeg idet
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What this guide covers
For editors and encoders who receive footage of unknown scan type and need to choose a deinterlace or inverse-telecine step. You end with a report of interlaced, progressive and repeated-field counts. Based on the FFmpeg manual; no command was run.
More about this guide
Guide ID: art_01M6W42S9RP8NA3KF2R8DGMJDH
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Guide title
Find out if a video is interlaced, and its field order, with FFmpeg idet
Coverage
For editors and encoders who receive footage of unknown scan type and need to choose a deinterlace or inverse-telecine step. You end with a report of interlaced, progressive and repeated-field counts. Based on the FFmpeg manual; no command was run.
Example
A hypothetical DVD capture scanned over its first few hundred frames; nothing was run, so no counts were seen.
Useful starting points
- Many undetermined frames usually mean static or low-detail content; scan a longer or busier section.
- Mixed results point to mixed content or too short a sample, so scan more frames.
- If no report appears, check that the log level allows info output.
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