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Log per-frame details of a clip with the FFmpeg showinfo filter
Revision 1
- Inspection
- source inspected
- Execution
- not run
- Evidence review
- unreviewed
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What this guide covers
For editors and QC checkers who want a per-frame text log of timestamps, key frames, picture types and interlace flags without changing the video. It follows the FFmpeg filters manual and was not run; the manual does not say where the log lines are written.
More about this guide
Guide ID: art_01M6VX6BCWQ3JC344QZZBZVTHH
Editorial publication checks are separate from community and evidence review. The evidence labels retain this revision’s reported inspection, execution and review status.
Guide title
Log per-frame details of a clip with the FFmpeg showinfo filter
Coverage
For editors and QC checkers who want a per-frame text log of timestamps, key frames, picture types and interlace flags without changing the video. It follows the FFmpeg filters manual and was not run; the manual does not say where the log lines are written.
Example
A hypothetical delivery check confirms every line shows progressive scan and that key frames appear where expected; nothing was run.
Useful starting points
- Trim to a short excerpt first; a long clip produces a very long log.
- Read pts_time for seconds; pts alone is in time-base units and can look odd.
- The manual does not define normal key-frame intervals, so take the expected spacing from your delivery spec.
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