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Diffstat (limited to 'TOOLS/psnr-video.sh')
| -rwxr-xr-x | TOOLS/psnr-video.sh | 179 |
1 files changed, 0 insertions, 179 deletions
diff --git a/TOOLS/psnr-video.sh b/TOOLS/psnr-video.sh deleted file mode 100755 index d06ed0d880..0000000000 --- a/TOOLS/psnr-video.sh +++ /dev/null @@ -1,179 +0,0 @@ -#!/bin/bash -# Helper script to ease comparing the PSNR between two video files -# Copyleft 2005 by Matthias Wieser -# Copyleft 2005 by Ivo -# This file comes under GPL, see http://www.gnu.org/copyleft/gpl.html for more -# information on its licensing. - -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` = "" ]] -then - echo - echo "To use this script you have to install the program \"pnmpsnr\" which is" - echo " included in the netpbm package." - echo - exit=1 -fi - -if [[ `which bc 2> /dev/null` = "" ]] -then - echo - echo "To use this script you have to install the GNU command line calculator \"bc\"." - echo - exit=1 -fi - -if [ $# -le 1 ]; then - echo - echo "Usage: `basename $0` <file1> <file2> [<frames>] [<options1>] [<options2>]" - echo - echo " <file1> and <file2> are the files for which the PSNR should be calculated." - echo " [<frames>] is the number of frames to process, starting from frame 1." - echo " [<options1>] are additional MPlayer options for <file1>." - echo " [<options2>] are additional MPlayer options for <file2>." - echo - echo " Be aware that `basename $0` needs a lot of temporary space inside /tmp/." - echo - echo "Example:" - echo " ./`basename $0` ./orig.avi ./test.avi 250 \"\" \"-vf pp=ac\"" - echo - - exit=1 -fi - -if [ "$exit" -eq 1 ]; then - exit 1 -fi - -FILE1=$1 -FILE2=$2 - -LastFrame=-1 -if [ $# -ge 3 ]; then - LastFrame=$3 - echo - echo "Will process $LastFrame frames." -fi - -if [ $# -ge 4 ]; then - FILE1_Options=$4 - echo "MPlayer options for ${FILE1}: $FILE1_Options" -fi - -if [ $# -ge 5 ]; then - FILE2_Options=$5 - echo "MPlayer options for ${FILE2}: $FILE2_Options" -fi - - -mkdir -p ${TEMPDIR}/FILE1 -mkdir -p ${TEMPDIR}/FILE2 - -### File 1 -echo -echo "############## $FILE1 #################" - -cd ${TEMPDIR}/FILE1 - -rm -f *ppm -rm -f *del - -if [ $LastFrame -ge 0 ]; then - mplayer $FILE1_Options -frames $LastFrame -nosound -vo pnm ${WORKDIR}/$FILE1 > /dev/null -else - mplayer $FILE1_Options -nosound -vo pnm ${WORKDIR}/$FILE1 > /dev/null -fi - -### File 2 -echo -echo "############## $FILE2 #################" - -cd ${TEMPDIR}/FILE2 - -rm -f *ppm - -if [ $LastFrame -ge 0 ]; then - mplayer $FILE2_Options -frames $LastFrame -nosound -vo pnm ${WORKDIR}/$FILE2 > /dev/null -else - mplayer $FILE2_Options -nosound -vo pnm ${WORKDIR}/$FILE2 > /dev/null -fi - - -### PSNR - -echo -echo "############## PSNR Calculation #################" - -if [[ `ls -1 ${TEMPDIR}/FILE1/*ppm | wc -l` = `ls -1 ${TEMPDIR}/FILE2/*ppm | wc -l` ]] -then - echo -else - warning_frame_number - echo -fi - - -cd ${TEMPDIR}/FILE2 -#rm ../$OUTFILE -echo "File;Y;Cb;Cr" > ../$OUTFILE -echo "0" > $ERRFILE -i=0 -for FILE in `ls -1 *.ppm` - do - echo $FILE - echo -n "$FILE" >> ../$OUTFILE - echo -n ";" >> ../$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 ';'` - CB=`echo $YCBCR | cut -f 2 -d ';'` - CR=`echo $YCBCR | cut -f 3 -d ';'` - 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" >> ../$OUTFILE - ERROR=`echo "scale=30; (e(-1*$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 ]] - then - break - fi -done - -ERRORSUM=`cat $ERRFILE` -PSNR=`echo "-10*l($ERRORSUM/$i)/l(10)" | bc -l` -echo "PSNR:;$PSNR" >> ../$OUTFILE - -cd .. -mv $OUTFILE ${WORKDIR}/ - -if [[ `ls -1 ${TEMPDIR}/FILE1/*ppm | wc -l` = `ls -1 ${TEMPDIR}/FILE2/*ppm | wc -l` ]] -then - echo -else - warning_frame_number - echo -fi - -cd .. -rm -r ${TEMPDIR} - -echo "Created ${WORKDIR}/$OUTFILE" -echo |