Revision b5721c162b1b01c9fdbfb544f8d60bf3742dd916 authored by Eric Heien on 02 August 2011, 16:52:33 UTC, committed by Eric Heien on 02 August 2011, 16:52:33 UTC
Added classes for triangular elements, UV coordinates Simplified shape functions for tracers Merged regional/full keep_within_bounds functions
1 parent e72de8f
miff2avi
#!/bin/bash
function usage ()
{
echo 1>&2
echo "Usage: miff2avi [-f frames_per_second]" 1>&2
echo " [-o outfile.avi]" 1>&2
echo " file.miff" 1>&2
echo 1>&2
echo " Converts file.miff to file.avi (or outfile.avi if -o is given)" 1>&2
echo " using frames_per_second as framerate (defaults to 25)" 1>&2
echo 1>&2
echo " Assumes mjpeg tools and \"convert\" (ImageMagick) are installed." 1>&2
echo 1>&2
echo " file.miff should contain all the frames to be animated. " 1>&2
echo " $0 does not accept a file list (e.g. file*.miff) as an argument. " 1>&2
echo 1>&2
echo " This script was originally written by Ulrich Oelmann <Ulrich.Oelmann@iws.uni-stuttgart.de>. " 1>&2
echo " See http://opendx.npaci.edu/mail/opendx-users/2004.10/msg00026.html" 1>&2
echo 1>&2
exit 0
}
if [ $[$# < 1 ] = 1 ]; then
usage
fi
FOPTION=25;
OOPTION="";
while getopts "f:o:" OPTION; do
case $OPTION in
f) FOPTION=$OPTARG;;
o) OOPTION=$OPTARG;;
?) usage;;
esac
done
shift $[$OPTIND-1]
if [ x"$OOPTION" == "x" ]; then
OOPTION=`basename $1 .miff`
OOPTION=`basename $OOPTION .MIFF`
OOPTION=`dirname $1`/$OOPTION".avi"
fi
TMPDIR=`mktemp -d miff2xvid.XXXXXXXXXX`
mkdir -p $TMPDIR
declare -i FRAMES X Y
echo "######### Analyzing $1"
IDENTIFY=`identify -format "%n %w %h" $1 | \
tail -n 2 | head -n 1`
FRAMES=`echo $IDENTIFY | gawk '{ print $1 }'`
X=`echo $IDENTIFY | gawk '{ print $2 }'`
Y=`echo $IDENTIFY | gawk '{ print $3 }'`
FRAMES=$(( FRAMES-1 ))
if [ $(( $Y % 2 )) -eq 1 ]; then
JOPTION=1
else
JOPTION=0
fi;
if [ $(( $X % 2 )) -eq 1 ]; then
JOPTION=$JOPTION",1,0,0"
else
JOPTION=$JOPTION",0,0,0"
fi;
echo "######### Extracting $(( FRAMES+1 )) frames out of $1"
convert -quality 9 $1 $TMPDIR/frame.ppm
echo "######### Encoding animation to $OOPTION"
echo
ppmtoy4m -F $FOPTION:1 $TMPDIR/frame.ppm | yuv2lav -q 100 -f a -o $OOPTION
#convert -quality 9 $1 $TMPDIR/frame.png
# test later when transcode and other libraries become available
#for ZAHL in `seq 0 $FRAMES`; do
# mv $TMPDIR/frame.png.$ZAHL $TMPDIR/frame.$ZAHL.png
# echo $TMPDIR/frame.$ZAHL.png >> $TMPDIR/frameliste.txt
#done
#transcode -i $TMPDIR/frameliste.txt \
# -x imlist,null \
# -g "$X"x"$Y" \
# -z \
# -j $JOPTION \
# -y xvid4,null \
# -f $FOPTION \
# -w 1500 \
# -H 0 \
# -o $OOPTION
rm -rf $TMPDIR
# version
# $Id$
# End of file
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