Video a gif ffmpeg
ffmpeg -y -i foo.mp4 -i palette.png -filter_complex "fps=30,scale=320:-1:flags=lanczos[x];[x][1:v]paletteuse" foo.gif
Envious Echidna
ffmpeg -y -i foo.mp4 -i palette.png -filter_complex "fps=30,scale=320:-1:flags=lanczos[x];[x][1:v]paletteuse" foo.gif
ffmpeg -i input.flv -ss 00:00:00.000 -pix_fmt rgb24 -r 10 -s 320x240 -t 00:00:10.000 output.gif