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Apply a 1D LUT curve to a clip with FFmpeg lut1d
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What this guide covers
For editors and colourists who have a 1D curve as a .cube or .csp file, such as a contrast or transfer curve. You end with the curve applied and an interpolation mode chosen by comparing results. It is documentary only: the manual gives no examples or default mode, and no command was run.
More about this guide
Guide ID: art_01M6VT6K73PS2GJWYG5KT58HX0
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Guide title
Apply a 1D LUT curve to a clip with FFmpeg lut1d
Coverage
For editors and colourists who have a 1D curve as a .cube or .csp file, such as a contrast or transfer curve. You end with the curve applied and an interpolation mode chosen by comparing results. It is documentary only: the manual gives no examples or default mode, and no command was run.
Example
A hypothetical contrast curve saved as a .cube file, rendered with two interpolation modes and compared for banding in gradients; not run.
Useful starting points
- A LUT made for a different colour space gives wrong colours; check what space it expects before applying it.
- A coarse table with nearest interpolation can band; try a smoother mode and compare against the original.
- Use only LUTs you are licensed to use, and write each trial to a new output file.
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