> Am 01.01.2021 um 11:57 schrieb Rocky Ji <rockyji3...@gmail.com>: > > ffmpeg -i /dev/video2 -r 4 -vf format=pal8 -pix_fmt pal8 -f image2 > s-%04d.png > > to get 4 8-bit PNG screenshots every second from game capture device (if I > am understanding it correctly).
No, this is not how pal8 conversion works, see: https://ffmpeg.org/ffmpeg-filters.html#palettegen-1 You have to first record in qtrle or libx264rgb before you can use the palette filters in a second run. > For my purposes, I need to reduce size > further. So I want to get 4-bit PNGs This is not supported by FFmpeg. Happy new year, Carl Eugen _______________________________________________ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-user To unsubscribe, visit link above, or email ffmpeg-user-requ...@ffmpeg.org with subject "unsubscribe".