mpv/TOOLS/menc2pass

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#!/usr/bin/perl -w
# Helper script to ease MEncoder two pass encoding
# Copyleft 2001 by Felix Buenemann <atmosfear@users.sourceforge.net>
# This file comes under GPL, see http://www.gnu.org/copyleft/gpl.html for more
# information on it's licensing.
use strict;
my $mencoder="mencoder"; # Path to MEncoder (including binary name)
die <<"EOF" unless @ARGV;
Menc2Pass: No arguments given!
Please give all usual encoding parameters you would give to mencoder, but leave
away the pass=<n> suboption.
EOF
for(my $i=1; $i<=2; $i++) {
my $parm="";
foreach my $val (@ARGV) {
if($val =~ /-lavcopts/) {
$parm.="$val vpass=$i:";
} elsif($val =~ /-(divx4)|(xvid)opts/) {
$parm.="$val pass=$i:";
} else {
$parm.="$val ";
}
}
print "Running $mencoder $parm\n";
system($mencoder,$parm)
and die "MEncoder pass $i failed!\n"
}