6 clip3.dv in=200 out=275 \
11 composite in=50 out=75 a_track=0 b_track=1 \
12 start=0,0:100%x100%:100 \
13 end=100%,0:100%x100%:100 \
15 composite in=50 out=75 a_track=0 b_track=2 \
16 start=-100%,0:100%x100%:100 \
17 end=0,0:100%x100%:100 \
19 mix:1 in=50 out=75 a_track=0 b_track=1 \
21 mix start=0 end=1 in=50 out=75 a_track=1 b_track=2 \