[Mplayer-felhasznalok] Re: divx2svcd 0.4.4

[VMiklos]

On Mon, 5 Jan 2004, VMiklos wrote:

> elkeszult a bc checkeles meg akkor mar megkeresi a vcdimagert is, meg
> ilyenek. a cd-iras tamogatast napokon belul megcsinalom

bocs, elobb elfelejtettem csatolni :-)

udv

---
       __________     VMiklos / FapadOS & EL Team
  ____/__/___|___\__. E-mail: mainroot at freemail dot hu
O__O  _ |   |   _  |  Homepage: http://www.vmiklos.tk
'--`-(_)'---'--(_)-'  gpg --keyserver hkp://pgp.mit.edu --recv-keys 03915096

-------------- next part --------------
#!/bin/bash

# (c) 2003 Vajna Miklos <mainroot at freemail.hu>
# divx2svcd for MPlayer 1.0pre3+dumpvideo patch
# distributed under GPL License

# MPlayer avariable at
# http://www1.mplayerhq.hu/MPlayer/releases/MPlayer-1.0pre3.tar.bz2
# dumpvideo patch at
# http://vmiklos.uw.hu/divx2svcd/mplayer-1.0pre3-dumpvideo.diff

# version 0.4.4

###changelog###
#nobody cares about it :-)
cat >/dev/null <<EOF
0.4.4
- support for checking for all application this script uses
- this changelog

0.4.3
- advanced detectation of movie aspect (mpeg4 codec, mpeg container)

0.4.2
- advanced vf options for movies with non-standard aspect

0.4.1
- checking for sub avariable

0.4.0
- support for tcmplex-panteltje
- support for libavcodec audio encoder


0.3.1-0.3.2
- small fixes

0.3
- almost totally rewritten from scratch
  based on the idea of Denes Balatoni <pnis at coder.hu>
- support for toolame instead of mp2enc
- suppert for libavcodec mpeg2video codec instead of mpeg2enc


0.2
- support for tcmplex instead of mplex

0.1rc2-rc4
- small bugfixes

0.1rc1
- initial release

EOF


###preparing###
#help

function usage()
{
	cat <<EOF
Usage: $0 input_avi [options]

Options:
-b|--bitrate	bitrate of mp2 video stream [1600]
-s|--cdsize	size of the cd we split the video to [795]
-h|--help	this help screen
EOF

}

#initializating constants
bitrate=1200
cdmeret=795

#checking for bc
which bc >/dev/null 2>&1
bcbin=`which bc 2>/dev/null`
if [ $? != 0 ]; then
	cat <<EOF
ERROR: Can't find bc. You can download it at
ftp://ftp.ibiblio.org/pub/gnu/bc/bc-1.06.tar.gz
EOF
exit 1
fi

#checking for vcdimager
which vcdimager >/dev/null 2>&1
bcbin=`which vcdimager 2>/dev/null`
if [ $? != 0 ]; then
	cat <<EOF
ERROR: Can't find vcdimager. You can download it at http://www.vcdimager.org
/pub/vcdimager/vcdimager-0.7_UNSTABLE/vcdimager-0.7.14.tar.gz
EOF
exit 1
fi

#checking which mplex utility we have to use
which tcmplex-panteltje >/dev/null 2>&1
if [ $? = 0 ]; then
	tcp_path=`which tcmplex-panteltje 2>&1`
else
	tcp_path="x"
fi
which tcmplex >/dev/null 2>&1
if [ $? = 0 ]; then
	tc_path=`which tcmplex 2>&1`
else
	tc_path="x"
fi

if [ -x $tcp_path ]; then
	tcbin=tcmplex-panteltje
	tcopt=-0
elif [ -x $tc_path ]; then
	tcbin=tcmplex
	tcopt=-p
else
	cat <<EOF
ERROR: Can't find any sutable mplex utility. You can download
tcmplex-panteltje at http://sunsite.rediris.es/
sites2/ibiblio.org/linux/apps/video/tcmplex-panteltje-0.3.tgz
EOF
exit 1
fi

#pharsing parameters

if [ $# -le 0 ]; then
	echo "Missing parameter!"
	usage
	exit 1
fi

case $1 in
	-h)
		usage
		exit 1
	;;
	-*)
		echo "Missing parameter!"
		usage
		exit 1
	;;
	*)
		input=$1
		if [ "$input" == "`basename \"$input\"`" ]; then
		        input="`pwd`/$1"
		fi
		nev=`basename $input .avi`
		shift 1
	;;
esac

while [ "$1"x != "x" ]; do
   case $1 in
      -b|--bitrate)
        bitrate=$2
	shift 1
        ;;
      -s|--cdsize)
      	cdmeret="$2"
	shift 1
	;;
      -h|--help)
      usage
        exit 0
	;;
   esac
   shift 1
done

#checking for sub avariable

if [ -f $nev.sub ]; then
	subopts="-sub $nev.sub"
else
	subopts=''
fi

#checking for what height needed
inputwidth=`mplayer -vo null -ao null $input -frames 1 |grep '=>'|cut -d ' ' -f 5|cut -d x -f 1`
inputheight=`mplayer -vo null -ao null $input -frames 1 |grep '=>'|cut -d ' ' -f 5|cut -d x -f 2`
svcdaspect=`echo -e "scale=10\n1.596/($inputwidth/$inputheight)"|bc /dev/stdin`
height=`echo -e "scale=10\n$svcdaspect*480"|bc /dev/stdin|cut -d . -f 1`

#checking for ratios less than 1.33
istoohigh=`expr $height \> 577`
if [ "$istoohigh" = 1 ]; then
	height=576
fi

#find out the vf options
if [ "$height" = 576 ]; then
	vfopts='-vf scale=480:576'
else
	#-vf processes filters in reverse order
	exy=`echo -e "scale=10\n(576-$height)/2"|bc /dev/stdin|cut -d . -f 1`
	vfopts="-vf scale=480:$height,expand=480:576:0:$exy:1"
	echo "using filter options: '$vfopts'"
fi


###start working###
#encoding
mencoder -ofps 25 -oac lavc $input -ovc lavc -lavcopts vcodec=mpeg2video:vbitrate=$bitrate:acodec=mp2:abitrate=128:keyint=25:aspect=4/3 -o ${nev}2.avi $subopts -srate 44100 -channels 2 $vfopts

#splitting
mplayer -dumpvideo -dumpfile $nev.m2v ${nev}2.avi
mplayer -dumpaudio -dumpfile $nev.mp2 ${nev}2.avi
rm ${nev}2.avi
echo "maxFileSize = $cdmeret" > template
$tcbin -i $nev.m2v $tcopt $nev.mp2 -o $nev.mpg -m s -F template
rm template
rm $nev.m2v $nev.mp2

#creating images
for i in $nev*mpg ; do
	nev2=`basename $i .mpg`
	vcdimager -t svcd -c $nev2.cue -b $nev2.bin $i
done
rm $nev*mpg