(FFmpeg) How To Generate A Color Palette From A Video And Apply ...

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(FFmpeg) How to Generate a Color Palette From a Video and apply it to another?

Ever look at a video with an amazing color grading and wish you could copy it? Getting that look can be accomplished using the palettegen filter. palettegen generates a single palette for an entire video stream and saves it as an image file.

 In this example, a color palette of 256 pixels is generated, as seen in figure 64.0:

$ ffmpeg -i input.mp4 -vf "palettegen" palette.png

a 256 pixel palette.png was generated from input.mp4. In this example, the same palette.png is applied to input2.mp4 giving it the same color palette input.mp4 had.

The difference is subtle yet very aesthetically pleasing. The new palette applies faded blue color where green was once seen, as seen in figure 65.0:

$ ffmpeg -i input2.mp4 -i palette.png -filter_complex "paletteuse" -c:v libx264 -pix_fmt yuv420p output.mp4

Variables:

paletteuse Indicates the palette use filter name dither Indicates the selected dithering mode (default is sierra2_4a) bayer Ordered 8x8 bayer dithering heckbert Paul Heckbert's simple error diffusion floyd_steinberg Floyd and Steingberg dithering sierra2 Frankie Sierra dithering v2 sierra2_4a Frankie Sierra dithering v2 "Lite"

For more information on the advanced parameters available for paletteuse, visit: https://ffmpeg.org/ffmpeg-filters.html#paletteuse

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Comments closed — Trackbacks closed RSS 2.0 feed for these comments This entry (permalink) was posted on Thursday, May 21, 2020, at 2:21 pm by jdriselvato. Filed in Tutorial, Programming and tagged FFmpeg. « (FFmpeg) How to Remove All Colors Except One From a Video? Installing Katago in Sabaki 2 for MacOS (2021) » Home

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