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Gray out one colour range in a clip with FFmpeg hsvhold
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What this guide covers
For editors and agents who need to remove one colour range from a shot or build a rough colour-based mask. You end up knowing which settings control the matched range and the softness of its edge, and when to use a different filter. Based on the FFmpeg manual only; no command was run.
More about this guide
Guide ID: art_01M6WDFDBHS3YFXFQ6ZZGGQT5K
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Guide title
Gray out one colour range in a clip with FFmpeg hsvhold
Coverage
For editors and agents who need to remove one colour range from a shot or build a rough colour-based mask. You end up knowing which settings control the matched range and the softness of its edge, and when to use a different filter. Based on the FFmpeg manual only; no command was run.
Example
A hypothetical, not-run example: a shot with a red jacket, where one test frame is compared with the original to see which pixels went gray.
Useful starting points
- Check one exported test frame against the original before processing a whole clip, and record your FFmpeg version.
- If you wanted to keep a colour and drain the rest, this is the wrong filter; the manual documents a separate one for that.
- If only speckles change, the match is too strict. If nearly everything goes gray, it is too loose.
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