[Mplayer-felhasznalok] avi-bol svcd

[VMiklos]

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On Sun, 28 Dec 2003, The NeverGone wrote:

> Egy tomoritett avi-bol lehet mencoder -rel svcd-kompatibilis mpeg2
> allomanyt kesziteni? Es ha igen, akkor hogyan? Jo lenne, ha at tudnek
> adni az mpeg2 -nek egy aspect-ratio -t, hogy tudja, milyen meretben kell
> megjelenitenie. Es ha meg lehetne oldani, a filmbol 2 db 80 perces svcd -t
> szeretnek kesziteni. :)

nemtom hagyadszor kuldom ki a listara, de mind1

itt van mellekelve egy divx2svcd szkript, ez mindent +csinal

mi kell neki?
kell: transcode (ha nincs meg, es mar ugyis letoltesz, akkor a
'tcmplex-panteltje' nevu progi keresd, ez csak par kb), meg
mplayer+mencoder :-), 1.0pre3, egy patch (azt is kuldom), meg vcdimager

plz irj, hogy m1-e vagy sem, mert nincs nagyon lehetosegem mas
kornyezetben tesztelni (nekem persze muxik)

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


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-------------- next part --------------
diff -Naur MPlayer-1.0pre3.orig/mplayer.c MPlayer-1.0pre3/mplayer.c
--- MPlayer-1.0pre3.orig/mplayer.c	2003-12-08 22:33:31.000000000 +0100
+++ MPlayer-1.0pre3/mplayer.c	2003-12-18 18:43:51.000000000 +0100
@@ -1494,8 +1494,8 @@
   while(!ds->eof){
     unsigned char* start;
     int in_size=ds_get_packet(ds,&start);
-    if( (demuxer->file_format==DEMUXER_TYPE_AVI || demuxer->file_format==DEMUXER_TYPE_ASF || demuxer->file_format==DEMUXER_TYPE_MOV)
-	&& stream_dump_type==2) fwrite(&in_size,1,4,f);
+/*    if( (demuxer->file_format==DEMUXER_TYPE_AVI || demuxer->file_format==DEMUXER_TYPE_ASF || demuxer->file_format==DEMUXER_TYPE_MOV)
+	&& stream_dump_type==2) fwrite(&in_size,1,4,f);*/
     if(in_size>0) fwrite(start,in_size,1,f);
   }
   fclose(f);
-------------- next part --------------
#!/bin/bash

# (c) 2003 Vajna Miklos <mainroot at freemail.hu>
# divx2svcd for mencoder
# distributed under GPL License

# version 0.4.2

###preparing###
#help

function usage()
{
echo "
Usage: divx2svcd 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
"
}

#initializating constants
bitrate=1600
cdmeret=795

#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
fi

#pharsing parameters

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

case $1 in
	-*)
		echo "Unknown parameter!"
		usage
		exit 1
	;;
	*)
		input=$1
		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
aspect=`mplayer -vo null $input -frames 1 |grep aspect |cut -d ' ' -f 5|cut -d : -f 1|tr -s ',' '.'`
svcdaspect=`echo -e "scale=10\n1.596/$aspect"|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