#!/usr/bin/perl -w
use strict;
use File::Find;
use File::Basename;

my $startdir = $ARGV[0];
my $filecounter=1;

my $htmlfile="thumb-index";

my $curdir;
my $curfile;

my $dircounter=1;
my @directoryfiles;
my @directories;

my %tree;

sub wanted {
    my ($dev,$ino,$mode,$nlink,$uid,$gid);
#    (($dev,$ino,$mode,$nlink,$uid,$gid) = lstat($_)) && -d _ && push @directories, $File::Find::name;
#    (($dev,$ino,$mode,$nlink,$uid,$gid) = lstat($_)) && -f _ && push @candidates, $File::Find::name;
	if(lstat($_) && -f _) {
		my $filename = $File::Find::name;
		my $candidatefile=dirsubtract($filename, $startdir);
		my $candidatedir=&File::Basename::dirname($candidatefile);
		push @{ $tree{$candidatedir}{files} },$candidatefile;
		if (!$tree{$candidatedir}{dirfile}) { $tree{$candidatedir}{dirfile}=$htmlfile.$dircounter.".html";$dircounter++;}
	}

}

sub dirsubtract {
	my ($a, $b) = @_;
	my @alist = split /\//,$a ;
	my @blist = split /\//,$b ;
	while (($#blist >=0) && ($alist[0] eq $blist[0])) {  shift @alist; shift @blist;};
	return join( "/", @alist);
}

sub makethumb {
	my ($moviefile, $thumbnailfile) = @_;
	my $framefile;
	my @runcommand;
	my @mplayercommand=("/usr/bin/mplayer","-vo", "png", "-nosound", "-ss", "0:29", "-frames", "6", "-osdlevel", "0","-z","5", "-x", "320","-y","200");
	my @convertcommand=("/usr/bin/convert","-resize","320x200");

	$framefile="00000005.png";
	@runcommand=(@mplayercommand,$moviefile);
	system(@runcommand);

	if ( (stat($framefile))[7] > 0 ) { 
		@runcommand=(@convertcommand,$framefile,$thumbnailfile);
		system(@runcommand);
		unlink($framefile);
#		rename "$framefile","$thumbnailfile";
		return 1;
	} else { return 0 };
}

sub makethumbtable {
	my ($topdir,$currentdir,@inputfiles) = @_;
	
	my $thumbfile;
	my $colcounter;
	my $tablecols=3;
	my $filename;
	my $basename;
	print HTML "<TABLE BORDER=0>\n";
	print HTML "<TR><TD>";
	$colcounter=1;

	foreach $filename (@inputfiles) {
		$thumbfile="pix-$filecounter.png";
		$basename = File::Basename::basename($filename);
		if(&makethumb($topdir.$filename,$thumbfile)){
			print HTML "$basename<BR><IMG TITLE=\"$filename\" SRC=\"$thumbfile\"></TD>";
			$filecounter++;
			if ($colcounter==$tablecols){print HTML "</TR>\n<TR><TD>";$colcounter=1;} else {print HTML "<TD>";$colcounter++;};
		} else {
			print HTML "$basename</TD>";
			if ($colcounter==$tablecols){print HTML "</TR>\n<TR><TD>";$colcounter=1;} else {print HTML "<TD>";$colcounter++;};
		};
	}
	print HTML "</TD></TR></TABLE>";
}


find \&wanted, ($startdir);

foreach $curdir (keys %tree) {
	#print $curdir ."\n";
	#print $tree{$curdir}{dirfile};
	#print "\n";
	open HTML,">".$tree{$curdir}{dirfile};

	print HTML "<html><head><title>Thumber for $startdir$curdir</title></head><body>\n";
	print HTML "<H1>$startdir$curdir</H1>\n";
	print HTML "<TABLE BORDER=0 VALIGN=TOP><TR><TD>\n";

	foreach $curfile (sort keys %tree) {
		print HTML "<A HREF=\"$tree{$curfile}{dirfile}\">$curfile</A><BR>\n";
	};
	print HTML "</TD><TD>\n";

	@directoryfiles=@{ $tree{$curdir}{files} };
	#print "\n\n @directoryfiles\n\n";
	makethumbtable($startdir, "hmm", @directoryfiles);

	print HTML "</TD></TR></TABLE>";
	print HTML "</body></html>";
	close HTML;
	#print @directories;print "\n";
}