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Map colours toward a reference with FFmpeg colormap (documentary, not run)
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What this guide covers
For editors who want one camera or look to move toward another by sampling a few matching colours. They end up with a plan for building the two small patch images and wiring the filter. It rests on the FFmpeg manual and filter source; no command was executed.
More about this guide
Guide ID: art_01M6WHA1PP19XNNWNH7G3MGJVG
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Guide title
Map colours toward a reference with FFmpeg colormap (documentary, not run)
Coverage
For editors who want one camera or look to move toward another by sampling a few matching colours. They end up with a plan for building the two small patch images and wiring the filter. It rests on the FFmpeg manual and filter source; no command was executed.
Example
A hypothetical, not-run job in which one camera's footage is nudged toward another's using four sampled colours: a grey card, a red object, a blue object and a skin tone.
Useful starting points
- Fill each sampled cell with one flat colour; compression artefacts or gradients in the cell centres change the result.
- Judge the colours you did not sample as well as the sampled ones, because the filter estimates those.
- If the result looks wrong, first check that the two images list the colours in the same order and that source and target are not swapped.
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