Para pasar a SVCD es básicamente el mismo script que para CVCD sólo que adaptado para crear un SVCD. Los valores que se puden modificar son CDSIZE, QUANTUM, MAXVIDEORATE y AUDIORATE. Ya no hace falta crear un template porque lo crea automáticamente.
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-- Inicio divx2svcd --
#!/bin/bash
# Este script pasa un Divx a SVCD. Para los archivos temporales se
# necesita al menos 4.5 Gigas (m2v y mpa, los .mpg y los .bin)
DIR=`pwd`
TEMPFOLDER=/tmp/divx2svcd-$RANDOM
TEMPLATE=$TEMPFOLDER/template
# CDSIZE Values. VCDs are write in Mode 2, so the filesizes are the
# the following:
# 74 Min/650Mb ---> CDSIZE=735
# 80 Min/700Mb ---> CDSIZE=795
CDSIZE=795
QUANTUM=7
MAXVIDEORATE=4000000
AUDIORATE=160
if [ $# -eq 0 ]; then
echo "Usage:"
echo " divx2svcd <divxfile>"
exit 1
fi
FILE=$1
if [ "$1" == "`basename \"$1\"`" ]; then
FILE="$DIR/$1"
fi
mkdir $TEMPFOLDER
cd $TEMPFOLDER
# Create a template for bbmpeg encoder
echo "quant_value = $QUANTUM" > $TEMPLATE
echo "max_bitrate = $MAXVIDEORATE" >> $TEMPLATE
echo "Dir: $DIR"
echo "Temp: $TEMPFOLDER"
tcprobe -i "$FILE" > $TEMPFOLDER/info
WIDTH=`grep '\[avilib\] V:' $TEMPFOLDER/info | \
perl -e ' $line=<STDIN> ; $line =~ /width=(\d+)/ ; print $1' `
HEIGHT=`grep '\[avilib\] V:' $TEMPFOLDER/info | \
perl -e ' $line=<STDIN> ; $line =~ /height=(\d+)/ ; print $1' `
FPS=`grep '\[avilib\] V:' $TEMPFOLDER/info | \
perl -e ' $line=<STDIN> ; $line =~ /V: (.+?) fps/ ; print $1' `
FPS=`echo "scale=1 ; $FPS/1"| bc -l`
FRAMES=`grep '\[avilib\] V:' $TEMPFOLDER/info | \
perl -e ' $line=<STDIN> ; $line =~ /frames=(\d+)/ ; print $1' `
SEGUNDOS_TOTAL=`echo "scale=0 ; ($FRAMES / $FPS)"| bc -l`
HORAS=`echo "scale=0 ; ($SEGUNDOS_TOTAL / 3600)"| bc -l`
MINUTOS=`echo "scale=0 ; (($SEGUNDOS_TOTAL - 3600 * $HORAS)/60)"| \
bc -l`
SEGUNDOS=`echo "scale=0 ; ($SEGUNDOS_TOTAL % 60)"| bc -l`
echo "*************** FILE INFO ***************"
echo "Frame Size: ${WIDTH}x${HEIGHT} - FPS: $FPS"
echo "Length: $FRAMES - Seconds: $SEGUNDOS_TOTAL"
echo "$HORAS hours, $MINUTOS minutes, $SEGUNDOS seconds"
if [ $FPS == "29.9" -o $FPS == "30" -o $FPS == "23.9" ]; then
WIDTH_OUT=480
HEIGHT_OUT=480
MPEG_OPTIONS=s,2,$TEMPLATE
else
WIDTH_OUT=480
HEIGHT_OUT=576
MPEG_OPTIONS=s,3,$TEMPLATE
fi
echo "Salida: $WIDTH_OUT x $HEIGHT_OUT"
# Ahora calculamos los valores pa los bordes.
ANCHO_1_1_OUT=`echo "($HEIGHT_OUT * 4/3)"| bc -l`
ALTO_OUT=`echo "$HEIGHT / ($WIDTH / $ANCHO_1_1_OUT)" | bc -l`
# Redondeamos
ALTO_OUT=`echo "scale=0 ; $ALTO_OUT/1"| bc -l`
# Nos aseguramos de que sea par
ALTO_OUT=`echo "scale=0 ; $ALTO_OUT+$ALTO_OUT%2" | bc -l`
BORDE=`echo "scale=0 ; ($HEIGHT_OUT-$ALTO_OUT)/2"| bc -l`
echo "alto sin bordes: $ALTO_OUT, con borde: $BORDE"
# Borramos Pelicula.m1v y Pelicula.mpa
rm -f Pelicula.m2v Pelicula.mpa
cd $TEMPFOLDER
echo "transcode -i \"$FILE\" -V -x mplayer -y mpeg \
-F $MPEG_OPTIONS -Z ${WIDTH_OUT}x$ALTO_OUT -Y -$BORDE,0,-$BORDE,0 \
--export_asr 2 -E 44100 -b $AUDIORATE -o $DIR/Pelicula"
transcode -i "$FILE" -V -x mplayer -y mpeg \
-F $MPEG_OPTIONS -Z ${WIDTH_OUT}x$ALTO_OUT -Y -$BORDE,0,-$BORDE,0 \
--export_asr 2 -E 44100 -b $AUDIORATE -o $DIR/Pelicula
cd $DIR
[ -f Pelicula.m2v -a -f Pelicula.mpa ] || exit 1
rm -f Pelicula*.mpg
# Plantilla pa multiplexar
echo "maxFileSize = $CDSIZE" >> $TEMPLATE
#Ahora multiplexamos el .mpg
tcmplex -i Pelicula.m2v -p Pelicula.mpa -o Pelicula.mpg \
-m s -F $TEMPLATE
rm $TEMPFOLDER/*
rmdir $TEMPFOLDER
# Y creamos las imagenes...
for i in `ls Pelicula*mpg` ; do
vcdimager -t svcd -c $i.cue -b $i.bin $i
done
-- Final divx2svcd --
#!/bin/bash
# Este script pasa un Divx a SVCD. Para los archivos temporales se
# necesita al menos 4.5 Gigas (m2v y mpa, los .mpg y los .bin)
DIR=`pwd`
TEMPFOLDER=/tmp/divx2svcd-$RANDOM
TEMPLATE=$TEMPFOLDER/template
# CDSIZE Values. VCDs are write in Mode 2, so the filesizes are the
# the following:
# 74 Min/650Mb ---> CDSIZE=735
# 80 Min/700Mb ---> CDSIZE=795
CDSIZE=795
QUANTUM=7
MAXVIDEORATE=4000000
AUDIORATE=160
if [ $# -eq 0 ]; then
echo "Usage:"
echo " divx2svcd <divxfile>"
exit 1
fi
FILE=$1
if [ "$1" == "`basename \"$1\"`" ]; then
FILE="$DIR/$1"
fi
mkdir $TEMPFOLDER
cd $TEMPFOLDER
# Create a template for bbmpeg encoder
echo "quant_value = $QUANTUM" > $TEMPLATE
echo "max_bitrate = $MAXVIDEORATE" >> $TEMPLATE
echo "Dir: $DIR"
echo "Temp: $TEMPFOLDER"
tcprobe -i "$FILE" > $TEMPFOLDER/info
WIDTH=`grep '\[avilib\] V:' $TEMPFOLDER/info | \
perl -e ' $line=<STDIN> ; $line =~ /width=(\d+)/ ; print $1' `
HEIGHT=`grep '\[avilib\] V:' $TEMPFOLDER/info | \
perl -e ' $line=<STDIN> ; $line =~ /height=(\d+)/ ; print $1' `
FPS=`grep '\[avilib\] V:' $TEMPFOLDER/info | \
perl -e ' $line=<STDIN> ; $line =~ /V: (.+?) fps/ ; print $1' `
FPS=`echo "scale=1 ; $FPS/1"| bc -l`
FRAMES=`grep '\[avilib\] V:' $TEMPFOLDER/info | \
perl -e ' $line=<STDIN> ; $line =~ /frames=(\d+)/ ; print $1' `
SEGUNDOS_TOTAL=`echo "scale=0 ; ($FRAMES / $FPS)"| bc -l`
HORAS=`echo "scale=0 ; ($SEGUNDOS_TOTAL / 3600)"| bc -l`
MINUTOS=`echo "scale=0 ; (($SEGUNDOS_TOTAL - 3600 * $HORAS)/60)"| \
bc -l`
SEGUNDOS=`echo "scale=0 ; ($SEGUNDOS_TOTAL % 60)"| bc -l`
echo "*************** FILE INFO ***************"
echo "Frame Size: ${WIDTH}x${HEIGHT} - FPS: $FPS"
echo "Length: $FRAMES - Seconds: $SEGUNDOS_TOTAL"
echo "$HORAS hours, $MINUTOS minutes, $SEGUNDOS seconds"
if [ $FPS == "29.9" -o $FPS == "30" -o $FPS == "23.9" ]; then
WIDTH_OUT=480
HEIGHT_OUT=480
MPEG_OPTIONS=s,2,$TEMPLATE
else
WIDTH_OUT=480
HEIGHT_OUT=576
MPEG_OPTIONS=s,3,$TEMPLATE
fi
echo "Salida: $WIDTH_OUT x $HEIGHT_OUT"
# Ahora calculamos los valores pa los bordes.
ANCHO_1_1_OUT=`echo "($HEIGHT_OUT * 4/3)"| bc -l`
ALTO_OUT=`echo "$HEIGHT / ($WIDTH / $ANCHO_1_1_OUT)" | bc -l`
# Redondeamos
ALTO_OUT=`echo "scale=0 ; $ALTO_OUT/1"| bc -l`
# Nos aseguramos de que sea par
ALTO_OUT=`echo "scale=0 ; $ALTO_OUT+$ALTO_OUT%2" | bc -l`
BORDE=`echo "scale=0 ; ($HEIGHT_OUT-$ALTO_OUT)/2"| bc -l`
echo "alto sin bordes: $ALTO_OUT, con borde: $BORDE"
# Borramos Pelicula.m1v y Pelicula.mpa
rm -f Pelicula.m2v Pelicula.mpa
cd $TEMPFOLDER
echo "transcode -i \"$FILE\" -V -x mplayer -y mpeg \
-F $MPEG_OPTIONS -Z ${WIDTH_OUT}x$ALTO_OUT -Y -$BORDE,0,-$BORDE,0 \
--export_asr 2 -E 44100 -b $AUDIORATE -o $DIR/Pelicula"
transcode -i "$FILE" -V -x mplayer -y mpeg \
-F $MPEG_OPTIONS -Z ${WIDTH_OUT}x$ALTO_OUT -Y -$BORDE,0,-$BORDE,0 \
--export_asr 2 -E 44100 -b $AUDIORATE -o $DIR/Pelicula
cd $DIR
[ -f Pelicula.m2v -a -f Pelicula.mpa ] || exit 1
rm -f Pelicula*.mpg
# Plantilla pa multiplexar
echo "maxFileSize = $CDSIZE" >> $TEMPLATE
#Ahora multiplexamos el .mpg
tcmplex -i Pelicula.m2v -p Pelicula.mpa -o Pelicula.mpg \
-m s -F $TEMPLATE
rm $TEMPFOLDER/*
rmdir $TEMPFOLDER
# Y creamos las imagenes...
for i in `ls Pelicula*mpg` ; do
vcdimager -t svcd -c $i.cue -b $i.bin $i
done
-- Final divx2svcd --

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