--transition mix:1 a_track=0 b_track=2 in=0 out=149 \
--transition mix:1 a_track=0 b_track=1 in=150 out=199 \
--transition composite:50%,15%:40%x40% a_track=0 b_track=1 in=0 out=149 \
--transition composite:10%,15%:40%x40% a_track=0 b_track=2 in=0 out=199 \
--transition composite:50%,15%:40%x40% end=0,0:100%x100% a_track=0 b_track=1 distort=true in=149 out=199 \
--transition composite:10%,65%:90%x20% a_track=0 b_track=3 in=0 out=199 \
--transition composite:10%,65%:90%x20% a_track=1 b_track=3 in=200 out=499 \
+-transition mix:0.5 always_active=1 a_track=0 b_track=2 \
+-transition composite geometry=50%/15%:37.5%x40% a_track=0 b_track=1 in=0 out=174 \
+-transition composite geometry=10%/15%:37.5%x40% a_track=0 b_track=2 in=0 out=199 \
+-transition composite geometry="50%/15%:37.5%x40%;-1=0%/0%:100%x100%" a_track=0 b_track=1 in=175 out=199 distort=1 \
+-transition composite geometry=10%/65%:90%x20% a_track=0 b_track=3 in=0 out=199 \
+-transition composite geometry=10%/65%:90%x20% a_track=1 b_track=3 in=200 out=499 \