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random improvements plus some readability cosmetics 

git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@16658 b3059339-0415-0410-9bf9-f77b7e298cf2
This commit is contained in:
diego 2005-10-04 16:04:28 +00:00
parent 49213050ed
commit 834e85efcc
1 changed files with 26 additions and 24 deletions
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50
TOOLS/psnr-video.sh
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@ -5,16 +5,18 @@
# This file comes under GPL, see http://www.gnu.org/copyleft/gpl.html for more
# information on its licensing.
warning_frame_number () {
warning_frame_number () {
echo "Files have differing numbers of frames!"
echo "$FILE1 has `ls -1 ${TEMPDIR}/FILE1/*ppm | wc -l` frames,"
echo "$FILE2 has `ls -1 ${TEMPDIR}/FILE2/*ppm | wc -l` frames."
echo "Processing the first `ls -1 ${TEMPDIR}/FILE2/*ppm | wc -l` frames."
}
}
TEMPDIR="/tmp/psnr_video"
WORKDIR=`pwd`
OUTFILE=psnr.dat
ERRFILE=errorsum.del
exit=0
if [[ `which pnmpsnr 2> /dev/null` = "" ]]
@ -73,7 +75,7 @@ fi
if [ $# -ge 5 ]; then
FILE2_Options=$5
echo "Mplayer options for ${FILE2}: $FILE2_Options"
echo "MPlayer options for ${FILE2}: $FILE2_Options"
fi
@ -90,7 +92,7 @@ rm -f *ppm
rm -f *del
if [ $LastFrame -ge 0 ]; then
mplayer $FILE1_Options -frames $LastFrame -nosound -vo pnm ${WORKDIR}/$FILE1 >/dev/null
mplayer $FILE1_Options -frames $LastFrame -nosound -vo pnm ${WORKDIR}/$FILE1 > /dev/null
else
mplayer $FILE1_Options -nosound -vo pnm ${WORKDIR}/$FILE1 > /dev/null
fi
@ -101,12 +103,12 @@ echo "############## $FILE2 #################"
cd ${TEMPDIR}/FILE2
rm *ppm 2> /dev/null
rm -f *ppm
if [ $LastFrame -ge 0 ]; then
mplayer $FILE2_Options -frames $LastFrame -nosound -vo pnm ${WORKDIR}/$FILE2 >/dev/null
mplayer $FILE2_Options -frames $LastFrame -nosound -vo pnm ${WORKDIR}/$FILE2 > /dev/null
else
mplayer $FILE2_Options -nosound -vo pnm ${WORKDIR}/$FILE2 >/dev/null
mplayer $FILE2_Options -nosound -vo pnm ${WORKDIR}/$FILE2 > /dev/null
fi
@ -117,7 +119,7 @@ echo "############## PSNR Calculation #################"
if [[ `ls -1 ${TEMPDIR}/FILE1/*ppm | wc -l` = `ls -1 ${TEMPDIR}/FILE2/*ppm | wc -l` ]]
then
echo
echo
else
warning_frame_number
echo
@ -125,28 +127,28 @@ fi
cd ${TEMPDIR}/FILE2
#rm ../psnr.dat
echo "File;Y;Cb;Cr" >../psnr.dat
echo "0" > errorsum.del
#rm ../$OUTFILE
echo "File;Y;Cb;Cr" > ../$OUTFILE
echo "0" > $ERRFILE
i=0
for FILE in `ls -1 *.ppm`
do
echo $FILE
echo -n "$FILE">>../psnr.dat
echo -n ";">>../psnr.dat
echo -n "$FILE" >> ../$OUTFILE
echo -n ";" >> ../$OUTFILE
YCBCR=`pnmpsnr ../FILE1/$FILE $FILE 2>&1 | tail -n 3 | cut -f 3 -d ':' | \
( read Y X; read CB X; read CR X; echo "$Y;$CB;$CR;")`
Y=`echo $YCBCR | cut -f 1 -d ';'`
Y=`echo $YCBCR | cut -f 1 -d ';'`
CB=`echo $YCBCR | cut -f 2 -d ';'`
CR=`echo $YCBCR | cut -f 3 -d ';'`
echo $YCBCR >>../psnr.dat
echo $YCBCR >> ../$OUTFILE
ALL=`echo "(-10)*l((e(-$Y/10*l(10))+e(-$CB/10*l(10))/4+e(-$CR/10*l(10))/4)/1.5)/l(10)"|bc -l`
echo "$ALL">>../psnr.dat
ERROR=`echo "scale=30; (e(-1*$Y/10*l(10))+e(-1*$CB/10*l(10))/4+e(-1*$CR/10*l(10))/4)/1.5"|bc -l`
ERRORSUM=`cat errorsum.del`
echo `echo "scale=30; $ERROR + $ERRORSUM"|bc -l` > errorsum.del
ALL=`echo "(-10)*l((e(-$Y/10*l(10))+e(-$CB/10*l(10))/4+e(-$CR/10*l(10))/4)/1.5)/l(10)" | bc -l`
echo "$ALL" >> ../$OUTFILE
ERROR=`echo "scale=30; (e(-1*$Y/10*l(10))+e(-1*$CB/10*l(10))/4+e(-1*$CR/10*l(10))/4)/1.5" | bc -l`
ERRORSUM=`cat $ERRFILE`
echo `echo "scale=30; $ERROR + $ERRORSUM" | bc -l` > $ERRFILE
i=$(($i+1))
if [[ $i = $LastFrame ]]
@ -155,12 +157,12 @@ for FILE in `ls -1 *.ppm`
fi
done
ERRORSUM=`cat errorsum.del`
ERRORSUM=`cat $ERRFILE`
PSNR=`echo "-10*l($ERRORSUM/$i)/l(10)" | bc -l`
echo "PSNR:;$PSNR">>../psnr.dat
echo "PSNR:;$PSNR" >> ../$OUTFILE
cd ..
mv psnr.dat ${WORKDIR}/
mv $OUTFILE ${WORKDIR}/
if [[ `ls -1 ${TEMPDIR}/FILE1/*ppm | wc -l` = `ls -1 ${TEMPDIR}/FILE2/*ppm | wc -l` ]]
then
@ -173,6 +175,6 @@ fi
cd ..
rm -r ${TEMPDIR}
echo "Created ${WORKDIR}/psnr.dat"
echo "Created ${WORKDIR}/$OUTFILE"
echo