#!/bin/bash src=/dev/shm/foo.fimg out=out.fimg maxi=149 W="320" H="240" grabopt=" -s ${W}x${H}w -vv -p 0 -n 600 -c none " mkdir /tmp/V G=$(printf "%dx%d+0+0" $W $H) for foo in $(seq 0 $maxi) do echo ; echo grabvidseq -$grabopt -o $src fval=$(echo "$foo / $maxi" | bc -l) ./t -vv -k 0.333 -o $out ctr2x2 $src # fimgstats $out echo $foo ' => ' $fval dst=$(printf "/tmp/V/%03d.png" $foo) echo $dst montage $src $out -tile 1x2 -geometry $G $dst done convert -delay 10 /tmp/V/*.png foo.gif