raw2ogg2anim

#!/bin/bash

# needs: dcraw, double, netpbm tools, gstreamer, gifenc.sh

if [ "$4" = "" ]; then echo "format: `basename $0` vname first last fps [d[d]]"; exit; fi

echo "removing old auxiliary files"
rm -f out.*.raw out.*.ppm out.*.ppm.[dDT] out.*.ppm.d.png

echo "copying /dev/shm/out.????.raw files"
for((f=$2; f<=$3; ++f))
do
  # cp /dev/shm/out.$(printf "%04d" $f).raw .
  cat hd0.32k /dev/shm/out.$(printf "%04d" $f).raw >out.$(printf "%04d" $f).raw
  echo -en "$f     \r"
done
echo

echo "dcraw each .raw file (to .ppm)"
for f in out.*.raw
do
  dcraw $f
  echo -en "$f     \r"
done
echo

echo ".ppm -> .ppm.d"
for f in out.*.ppm
do
  if [ "$5" = "" ]; then
    ln -s $f $f.d 
  else
    if [ "$5" = "d" ]; then
      double $f > $f.d
    else
      double $f > $f.D
      double $f.D > $f.d
    fi
  fi
  echo -en "$f     \r"
done
echo

echo ".ppm.d -> .ppm.d.png"
for f in out.*.ppm.d
do
  pnmtopng $f > $f.png
  echo -en "$f     \r"
done
echo

echo "now creating $1.ogg"
gst-launch-1.0 multifilesrc location="out.%04d.ppm.d.png" index=$2 caps="image/png,framerate=\(fraction\)$4/1" ! pngdec ! videorate ! videoconvert ! videorate ! theoraenc ! oggmux ! filesink location="$1.ogg"

echo "now creating $1.anim.gif"
gifenc.sh $1.ogg $1.anim.gif

echo "done"