crop

render.sh

export TIMETRIM="-ss 00:16 -to 00:24"
export SIZE_X=696
export SIZE_Y=696
export POS_X=611
export POS_Y=65
export SCALEX=300
export SCLAEY=-1
export FPS=20
export FILTERS="[0:v]crop=$SIZE_X:$SIZE_Y:$POS_X:$POS_Y[vid];[vid]scale=$SCALEX:$SCLAEY:flags=lanczos[vid]" #"[0:v]crop=1103:621:444:242[vid]"

ffmpeg -y -framerate 30 -i $1_%04d.tga $TIMETRIM $1.mkv
ffmpeg -y -i $1.mkv -filter_complex "$FILTERS;[vid]palettegen" palette.png
ffmpeg -y -i $1.mkv -i palette.png -filter_complex "$FILTERS;[vid]fps=$FPS[vid];[vid][1:v]paletteuse" $1.gif