inigo \
clip3.dv \
-track \
clip1.dv \
-transition \
region:watermark1.png \
composite.start=10%,10%:20%x20% \
composite.key[33]=30%,70%:25%x25% \
composite.key[66]=70%,30%:15%x15% \
composite.end=70%,70%:20%x20% \
composite.out=100 \
a_track=0 \
b_track=1 \
in=0 \
out=5000 \
$*