#! /bin/bash

# convert a bunch of .pov files to raster format,
# then combine them into a movie

just1=''

function mk_rip() {
  for file in tmp-ray/x*.pov ; do
    ofile=${file%.pov}
# FJ for jpeg
# FN for png
    povray -V -V -d +Q11 +O$ofile +FN +H480 +W854 $file
    echo $file
    if test -n "$just1" ; then
      break            # good for testing
    fi
  done
}

function mk_mp4(){
  avconv -i tmp-ray/x%05d.png           \
	-c:v libx264 -preset veryslow   \
	-y ~/video/conserved-speedup.mp4
}

while test -n "$*" ; do
  arg="$1" ; shift
  case "$arg" in
    rip|ras*)
      mk_rip
      ;;
    mp4)
      mk_mp4
      ;;
    one)
      export just1=yes
      ;;
    *)
      1>&2 echo "Unrecognized option '$arg'"
      exit 1
  esac
done