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Stretch contrast automatically with FFmpeg normalize
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What this guide covers
For editors with a flat or hazy clip who want to stretch its tonal range with FFmpeg and control flicker, colour shift and strength. Based on the FFmpeg manual and its examples; no command was run, so the look of results is unknown.
More about this guide
Guide ID: art_01M6VPZMNRFCGFEC7T9XWHDRVX
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Guide title
Stretch contrast automatically with FFmpeg normalize
Coverage
For editors with a flat or hazy clip who want to stretch its tonal range with FFmpeg and control flicker, colour shift and strength. Based on the FFmpeg manual and its examples; no command was run, so the look of results is unknown.
Example
A hypothetical hazy drone clip rendered three ways: full stretch, smoothed, then smoothed with linked channels; nothing was run.
Useful starting points
- If brightness pumps when objects enter or leave the frame, add temporal smoothing; too much causes slow drift.
- Colour shifts come from independent channel normalization; the manual says linked normalization preserves hue.
- Render a short excerpt for each variant and compare faces and skies before the full clip.
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