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

   1 inigo \
   2         watermark1.png out=9999 \
   3 -track \
   4         "+title over gfx.txt" fgcolour=0x000000ff \
   5 -track \
   6         clip1.dv \
   7 -transition \
   8         composite start=30%,20%:40%x60% \
   9                 in=50 \
  10                 out=199 \
  11                 a_track=0 \
  12                 b_track=1 \
  13                 distort=1 \
  14 -transition \
  15         composite:0%,75%:100%x20%:0 \
  16                 in=50 \
  17                 out=199 \
  18                 a_track=2 \
  19                 b_track=0 \
  20                 key[24]=0%,75%:100%x20%:100 \
  21                 key[-25]=0%,75%:100%x20%:100 \
  22                 luma=luma1.pgm \
  23                 end=0%,75%:100%x20%:0 \
  24                 distort=1 \
  25 $*