if [ ! $# = 9 ];
  then echo "Usage: createepisode.sh <episode file> <episode file start> <episode file end> <thumbnail 1 file> <thumbnail 1 start> <thumbnail 1 end> <thumbnail 2 file> <thumbnail 2 start> <thumbnail 2 end>"
  exit 1
fi

../../ffmpeg -i $1 -i EndCard.mp4 -i $4 -i $7 -filter_complex \
"[2]scale=iw/2.5:ih/2.5 [pip1]; \
[3]scale=iw/2.5:ih/2.5 [pip2]; \
[pip1]fade=t=in:start_time=2.5:d=0.25:alpha=1 [pip1a]; \
[pip2]fade=t=in:start_time=2.5:d=0.25:alpha=1 [pip2a]; \
[pip1a]fade=t=out:start_time=20.2:nb_frames=1:alpha=1 [pip1b]; \
[pip2a]fade=t=out:start_time=20.2:nb_frames=1:alpha=1 [pip2b]; \
[1][pip1b]overlay=main_w/2-overlay_w-10:main_h-overlay_h-320:shortest=1 [pip1]; \
[pip1][pip2b]overlay=main_w/2+10:main_h-overlay_h-320:shortest=1 [pip]; \
[0]select=between(t\,$2\,$3) [main]; \
aevalsrc=0 [silence]
[main] [slience] [pip] concat=n=2:v=1:a=1:shortest=1" \
episode1.mp4