# Output is y4m.bz2
#size=200
size=576
#video_size=100
video_size=576

bg_filename=`basename "$1"`
bg_filename=grx/crack/$bg_filename.png
bg_pixname=$bg_filename.pix
if [ ! -e $bg_filename ]
then
	echo "$bg_filename background image not found" >&2
	exit 1
fi

png-pix $bg_filename > $bg_pixname

if [ "$1" = "3d/hyperluma" ]
then
	hyperluma_demo="D"
	step=0
	azim=37
	size=$video_size
else
	hyperluma_demo=""
	step=1
	azim=0
fi

fixed_root=`echo "$1" | sed -e 's/\\//\\\\\\//g;s/\\./\\\\./g'` &&
gif_size=32
ctr=0
rm -f $1.pix

while [ "$ctr" -lt 360 ]
	do
	if [ ! -e $1.pix.$ctr ]
		then
		rt -d1 -c "set gamma=2.2" -s$size -a$azim -e15 -o $1.pixd \
		$1.g $2 2>&1 | fgrep View &&
		utils/double_mask $bg_pixname < $1.pixd > $1.pix.tmp
		rm -f $1.pixd
		mv $1.pix.tmp $1.pix.$ctr
	fi
	azim=`expr "$azim" '+' "$step"`
	ctr=`expr "$ctr" '+' "1"`
done &&
filenames_sorted=`ls $1.pix.* | sed -e 's/'"$fixed_root"'\.pix\.//g'  \
	| sort -n | sed -e 's/^/'"$fixed_root"'.pix./g'` &&
cat $filenames_sorted | utils/pix-y4m \
	"$hyperluma_demo"1x${size}x${size}x50x0.454545454545x${video_size}x${video_size} \
	| bzip2 -9 > $1.y4m.bz2 &&
if which gifsicle 2>&1 >/dev/null
then
	cat $filenames_sorted \
	| utils/pix-y4m \
	P5x${size}x${size}x10x0.454545454545x${gif_size}x${gif_size} \
	| convert -loop 0 -delay 10 - GIF:- | gifsicle --colors 256 -O2 > $1.gif
else
	cat $filenames_sorted \
	| utils/pix-y4m \
	P5x${size}x${size}x10x0.454545454545x${gif_size}x${gif_size} \
	| convert -loop 0 -delay 10 - $1.gif
fi
rm -f $1.pix $1.pix.*
rm $bg_pixname