research.m1stereo.tv/gitweb/ - melted/blob - demo/mlt_squeeze

   1 inigo \
   2 clip1.dv out=124 clip2.dv out=149 clip3.dv in=75 out=224 clip1.dv \
   3 -track \
   4 -blank 99 colour:black out=49 -blank 99 colour:black out=49 -blank 99 colour:black out=49 \
   5 -group progressive=1 distort=true \
   6 -transition composite:0%,0%:100%x100% key[25]=50%,0%:5%x100% end=0%,0%:100%x100% a_track=1 b_track=0 in=100 out=149 \
   7 -transition composite:0%,0%:100%x100% key[25]=0%,50%:100%x5% end=0%,0%:100%x100% a_track=1 b_track=0 in=250 out=299 \
   8 -transition composite:0%,0%:100%x100% key[25]=100%,0%:5%x100% end=0%,0%:100%x100% a_track=1 b_track=0 in=400 out=449 \
   9 $*