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

   1 inigo \
   2 "+hello~world.txt" align=1 out=1000 \
   3 -track "+hello~world.txt" align=1 out=1000 fgcolour=0x000000ff \
   4 -track watermark1.png out=1000 \
   5 -track clip3.dv \
   6 -filter greyscale track=2 \
   7 -transition composite:21%,11%:100%x100%:50 end=61%,41%:100%x100% out=99 a_track=3 b_track=1 \
   8 -transition composite:20%,10%:100%x100% end=60%,40%:100%x100% out=99 a_track=3 b_track=0 \
   9 -transition composite:85%,80%:10%x10%:30 out=1000 a_track=3 b_track=2 \
  10 $*