Documentation/dvb/get_dvb_firmware - linux-mtk - Git at Google


            
            #!/usr/bin/perl

            
            #     DVB firmware extractor

            
            #

            
            #     (c) 2004 Andrew de Quincey

            
            #

            
            #     This program is free software; you can redistribute it and/or modify

            
            #       it under the terms of the GNU General Public License as published by

            
            #       the Free Software Foundation; either version 2 of the License, or

            
            #       (at your option) any later version.

            
            #

            
            #     This program is distributed in the hope that it will be useful,

            
            #       but WITHOUT ANY WARRANTY; without even the implied warranty of

            
            #       MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

            
            #

            
            #     GNU General Public License for more details.

            
            #

            
            #     You should have received a copy of the GNU General Public License

            
            #       along with this program; if not, write to the Free Software

            
            #       Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.


            use File::Temp qw/ tempdir /;

            
            use IO::Handle;


            @components = ( "sp8870", "sp887x", "tda10045", "tda10046",

            
            		"tda10046lifeview", "av7110", "dec2000t", "dec2540t",

            
            		"dec3000s", "vp7041", "dibusb", "nxt2002", "nxt2004",

            
            		"or51211", "or51132_qam", "or51132_vsb", "bluebird",

            
            		"opera1", "cx231xx", "cx18", "cx23885", "pvrusb2", "mpc718",

            
            		"af9015", "ngene", "az6027", "lme2510_lg", "lme2510c_s7395",

            
            		"lme2510c_s7395_old", "drxk", "drxk_terratec_h5");


            # Check args

            
            syntax() if (scalar(@ARGV) != 1);

            
            $cid = $ARGV[0];


            # Do it!

            
            for ($i=0; $i < scalar(@components); $i++) {

            
                if ($cid eq $components[$i]) {

            
            	$outfile = eval($cid);

            
            	die $@ if $@;

            
            	print STDERR <<EOF;

            
            Firmware(s) $outfile extracted successfully.

            
            Now copy it(them) to either /usr/lib/hotplug/firmware or /lib/firmware

            
            (depending on configuration of firmware hotplug).

            
            EOF

            
            	exit(0);

            
                }

            
            }


            # If we get here, it wasn't found

            
            print STDERR "Unknown component \"$cid\"\n";

            
            syntax();


            # ---------------------------------------------------------------

            
            # Firmware-specific extraction subroutines


            sub sp8870 {

            
                my $sourcefile = "tt_Premium_217g.zip";

            
                my $url = "http://www.softwarepatch.pl/9999ccd06a4813cb827dbb0005071c71/$sourcefile";

            
                my $hash = "53970ec17a538945a6d8cb608a7b3899";

            
                my $outfile = "dvb-fe-sp8870.fw";

            
                my $tmpdir = tempdir(DIR => "/tmp", CLEANUP => 1);


                checkstandard();


                wgetfile($sourcefile, $url);

            
                unzip($sourcefile, $tmpdir);

            
                verify("$tmpdir/software/OEM/HE/App/boot/SC_MAIN.MC", $hash);

            
                copy("$tmpdir/software/OEM/HE/App/boot/SC_MAIN.MC", $outfile);


                $outfile;

            
            }


            sub sp887x {

            
                my $sourcefile = "Dvbt1.3.57.6.zip";

            
                my $url = "http://www.avermedia.com/software/$sourcefile";

            
                my $cabfile = "DVBT Net  Ver1.3.57.6/disk1/data1.cab";

            
                my $hash = "237938d53a7f834c05c42b894ca68ac3";

            
                my $outfile = "dvb-fe-sp887x.fw";

            
                my $tmpdir = tempdir(DIR => "/tmp", CLEANUP => 1);


                checkstandard();

            
                checkunshield();


                wgetfile($sourcefile, $url);

            
                unzip($sourcefile, $tmpdir);

            
                unshield("$tmpdir/$cabfile", $tmpdir);

            
                verify("$tmpdir/ZEnglish/sc_main.mc", $hash);

            
                copy("$tmpdir/ZEnglish/sc_main.mc", $outfile);


                $outfile;

            
            }


            sub tda10045 {

            
                my $sourcefile = "tt_budget_217g.zip";

            
                my $url = "http://www.technotrend.de/new/217g/$sourcefile";

            
                my $hash = "2105fd5bf37842fbcdfa4bfd58f3594a";

            
                my $outfile = "dvb-fe-tda10045.fw";

            
                my $tmpdir = tempdir(DIR => "/tmp", CLEANUP => 1);


                checkstandard();


                wgetfile($sourcefile, $url);

            
                unzip($sourcefile, $tmpdir);

            
                extract("$tmpdir/software/OEM/PCI/App/ttlcdacc.dll", 0x37ef9, 30555, "$tmpdir/fwtmp");

            
                verify("$tmpdir/fwtmp", $hash);

            
                copy("$tmpdir/fwtmp", $outfile);


                $outfile;

            
            }


            sub tda10046 {

            
            	my $sourcefile = "TT_PCI_2.19h_28_11_2006.zip";

            
            	my $url = "http://www.tt-download.com/download/updates/219/$sourcefile";

            
            	my $hash = "6a7e1e2f2644b162ff0502367553c72d";

            
            	my $outfile = "dvb-fe-tda10046.fw";

            
            	my $tmpdir = tempdir(DIR => "/tmp", CLEANUP => 1);


            	checkstandard();


            	wgetfile($sourcefile, $url);

            
            	unzip($sourcefile, $tmpdir);

            
            	extract("$tmpdir/TT_PCI_2.19h_28_11_2006/software/OEM/PCI/App/ttlcdacc.dll", 0x65389, 24478, "$tmpdir/fwtmp");

            
            	verify("$tmpdir/fwtmp", $hash);

            
            	copy("$tmpdir/fwtmp", $outfile);


            	$outfile;

            
            }


            sub tda10046lifeview {

            
                my $sourcefile = "7%5Cdrv_2.11.02.zip";

            
                my $url = "http://www.lifeview.hk/dbimages/document/$sourcefile";

            
                my $hash = "1ea24dee4eea8fe971686981f34fd2e0";

            
                my $outfile = "dvb-fe-tda10046.fw";

            
                my $tmpdir = tempdir(DIR => "/tmp", CLEANUP => 1);


                checkstandard();


                wgetfile($sourcefile, $url);

            
                unzip($sourcefile, $tmpdir);

            
                extract("$tmpdir/LVHybrid.sys", 0x8b088, 24602, "$tmpdir/fwtmp");

            
                verify("$tmpdir/fwtmp", $hash);

            
                copy("$tmpdir/fwtmp", $outfile);


                $outfile;

            
            }


            sub av7110 {

            
                my $sourcefile = "dvb-ttpci-01.fw-261d";

            
                my $url = "http://www.linuxtv.org/downloads/firmware/$sourcefile";

            
                my $hash = "603431b6259715a8e88f376a53b64e2f";

            
                my $outfile = "dvb-ttpci-01.fw";


                checkstandard();


                wgetfile($sourcefile, $url);

            
                verify($sourcefile, $hash);

            
                copy($sourcefile, $outfile);


                $outfile;

            
            }


            sub dec2000t {

            
                my $sourcefile = "dec217g.exe";

            
                my $url = "http://hauppauge.lightpath.net/de/$sourcefile";

            
                my $hash = "bd86f458cee4a8f0a8ce2d20c66215a9";

            
                my $outfile = "dvb-ttusb-dec-2000t.fw";

            
                my $tmpdir = tempdir(DIR => "/tmp", CLEANUP => 1);


                checkstandard();


                wgetfile($sourcefile, $url);

            
                unzip($sourcefile, $tmpdir);

            
                verify("$tmpdir/software/OEM/STB/App/Boot/STB_PC_T.bin", $hash);

            
                copy("$tmpdir/software/OEM/STB/App/Boot/STB_PC_T.bin", $outfile);


                $outfile;

            
            }


            sub dec2540t {

            
                my $sourcefile = "dec217g.exe";

            
                my $url = "http://hauppauge.lightpath.net/de/$sourcefile";

            
                my $hash = "53e58f4f5b5c2930beee74a7681fed92";

            
                my $outfile = "dvb-ttusb-dec-2540t.fw";

            
                my $tmpdir = tempdir(DIR => "/tmp", CLEANUP => 1);


                checkstandard();


                wgetfile($sourcefile, $url);

            
                unzip($sourcefile, $tmpdir);

            
                verify("$tmpdir/software/OEM/STB/App/Boot/STB_PC_X.bin", $hash);

            
                copy("$tmpdir/software/OEM/STB/App/Boot/STB_PC_X.bin", $outfile);


                $outfile;

            
            }


            sub dec3000s {

            
                my $sourcefile = "dec217g.exe";

            
                my $url = "http://hauppauge.lightpath.net/de/$sourcefile";

            
                my $hash = "b013ececea83f4d6d8d2a29ac7c1b448";

            
                my $outfile = "dvb-ttusb-dec-3000s.fw";

            
                my $tmpdir = tempdir(DIR => "/tmp", CLEANUP => 1);


                checkstandard();


                wgetfile($sourcefile, $url);

            
                unzip($sourcefile, $tmpdir);

            
                verify("$tmpdir/software/OEM/STB/App/Boot/STB_PC_S.bin", $hash);

            
                copy("$tmpdir/software/OEM/STB/App/Boot/STB_PC_S.bin", $outfile);


                $outfile;

            
            }

            
            sub opera1{

            
            	my $tmpdir = tempdir(DIR => "/tmp", CLEANUP => 0);


            	checkstandard();

            
            	my $fwfile1="dvb-usb-opera1-fpga-01.fw";

            
            	my $fwfile2="dvb-usb-opera-01.fw";

            
            	extract("2830SCap2.sys", 0x62e8, 55024, "$tmpdir/opera1-fpga.fw");

            
            	extract("2830SLoad2.sys",0x3178,0x3685-0x3178,"$tmpdir/fw1part1");

            
            	extract("2830SLoad2.sys",0x0980,0x3150-0x0980,"$tmpdir/fw1part2");

            
            	delzero("$tmpdir/fw1part1","$tmpdir/fw1part1-1");

            
            	delzero("$tmpdir/fw1part2","$tmpdir/fw1part2-1");

            
            	verify("$tmpdir/fw1part1-1","5e0909858fdf0b5b09ad48b9fe622e70");

            
            	verify("$tmpdir/fw1part2-1","d6e146f321427e931df2c6fcadac37a1");

            
            	verify("$tmpdir/opera1-fpga.fw","0f8133f5e9051f5f3c1928f7e5a1b07d");


            	my $RES1="\x01\x92\x7f\x00\x01\x00";

            
            	my $RES0="\x01\x92\x7f\x00\x00\x00";

            
            	my $DAT1="\x01\x00\xe6\x00\x01\x00";

            
            	my $DAT0="\x01\x00\xe6\x00\x00\x00";

            
            	open FW,">$tmpdir/opera.fw";

            
            	print FW "$RES1";

            
            	print FW "$DAT1";

            
            	print FW "$RES1";

            
            	print FW "$DAT1";

            
            	appendfile(FW,"$tmpdir/fw1part1-1");

            
            	print FW "$RES0";

            
            	print FW "$DAT0";

            
            	print FW "$RES1";

            
            	print FW "$DAT1";

            
            	appendfile(FW,"$tmpdir/fw1part2-1");

            
            	print FW "$RES1";

            
            	print FW "$DAT1";

            
            	print FW "$RES0";

            
            	print FW "$DAT0";

            
            	copy ("$tmpdir/opera1-fpga.fw",$fwfile1);

            
            	copy ("$tmpdir/opera.fw",$fwfile2);


            	$fwfile1.",".$fwfile2;

            
            }


            sub vp7041 {

            
                my $sourcefile = "2.422.zip";

            
                my $url = "http://www.twinhan.com/files/driver/USB-Ter/$sourcefile";

            
                my $hash = "e88c9372d1f66609a3e7b072c53fbcfe";

            
                my $outfile = "dvb-vp7041-2.422.fw";

            
                my $tmpdir = tempdir(DIR => "/tmp", CLEANUP => 1);


                checkstandard();


                wgetfile($sourcefile, $url);

            
                unzip($sourcefile, $tmpdir);

            
                extract("$tmpdir/VisionDTV/Drivers/Win2K&XP/UDTTload.sys", 12503, 3036, "$tmpdir/fwtmp1");

            
                extract("$tmpdir/VisionDTV/Drivers/Win2K&XP/UDTTload.sys", 2207, 10274, "$tmpdir/fwtmp2");


                my $CMD = "\000\001\000\222\177\000";

            
                my $PAD = "\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000";

            
                my ($FW);

            
                open $FW, ">$tmpdir/fwtmp3";

            
                print $FW "$CMD\001$PAD";

            
                print $FW "$CMD\001$PAD";

            
                appendfile($FW, "$tmpdir/fwtmp1");

            
                print $FW "$CMD\000$PAD";

            
                print $FW "$CMD\001$PAD";

            
                appendfile($FW, "$tmpdir/fwtmp2");

            
                print $FW "$CMD\001$PAD";

            
                print $FW "$CMD\000$PAD";

            
                close($FW);


                verify("$tmpdir/fwtmp3", $hash);

            
                copy("$tmpdir/fwtmp3", $outfile);


                $outfile;

            
            }


            sub dibusb {

            
            	my $url = "http://www.linuxtv.org/downloads/firmware/dvb-usb-dibusb-5.0.0.11.fw";

            
            	my $outfile = "dvb-dibusb-5.0.0.11.fw";

            
            	my $hash = "fa490295a527360ca16dcdf3224ca243";


            	checkstandard();


            	wgetfile($outfile, $url);

            
            	verify($outfile,$hash);


            	$outfile;

            
            }


            sub nxt2002 {

            
                my $sourcefile = "Technisat_DVB-PC_4_4_COMPACT.zip";

            
                my $url = "http://www.bbti.us/download/windows/$sourcefile";

            
                my $hash = "476befae8c7c1bb9648954060b1eec1f";

            
                my $outfile = "dvb-fe-nxt2002.fw";

            
                my $tmpdir = tempdir(DIR => "/tmp", CLEANUP => 1);


                checkstandard();


                wgetfile($sourcefile, $url);

            
                unzip($sourcefile, $tmpdir);

            
                verify("$tmpdir/SkyNET.sys", $hash);

            
                extract("$tmpdir/SkyNET.sys", 331624, 5908, $outfile);


                $outfile;

            
            }


            sub nxt2004 {

            
                my $sourcefile = "AVerTVHD_MCE_A180_Drv_v1.2.2.16.zip";

            
                my $url = "http://www.avermedia-usa.com/support/Drivers/$sourcefile";

            
                my $hash = "111cb885b1e009188346d72acfed024c";

            
                my $outfile = "dvb-fe-nxt2004.fw";

            
                my $tmpdir = tempdir(DIR => "/tmp", CLEANUP => 1);


                checkstandard();


                wgetfile($sourcefile, $url);

            
                unzip($sourcefile, $tmpdir);

            
                verify("$tmpdir/3xHybrid.sys", $hash);

            
                extract("$tmpdir/3xHybrid.sys", 465304, 9584, $outfile);


                $outfile;

            
            }


            sub or51211 {

            
                my $fwfile = "dvb-fe-or51211.fw";

            
                my $url = "http://linuxtv.org/downloads/firmware/$fwfile";

            
                my $hash = "d830949c771a289505bf9eafc225d491";


                checkstandard();


                wgetfile($fwfile, $url);

            
                verify($fwfile, $hash);


                $fwfile;

            
            }


            sub cx231xx {

            
                my $fwfile = "v4l-cx231xx-avcore-01.fw";

            
                my $url = "http://linuxtv.org/downloads/firmware/$fwfile";

            
                my $hash = "7d3bb956dc9df0eafded2b56ba57cc42";


                checkstandard();


                wgetfile($fwfile, $url);

            
                verify($fwfile, $hash);


                $fwfile;

            
            }


            sub cx18 {

            
                my $url = "http://linuxtv.org/downloads/firmware/";


                my %files = (

            
            	'v4l-cx23418-apu.fw' => '588f081b562f5c653a3db1ad8f65939a',

            
            	'v4l-cx23418-cpu.fw' => 'b6c7ed64bc44b1a6e0840adaeac39d79',

            
            	'v4l-cx23418-dig.fw' => '95bc688d3e7599fd5800161e9971cc55',

            
                );


                checkstandard();


                my $allfiles;

            
                foreach my $fwfile (keys %files) {

            
            	wgetfile($fwfile, "$url/$fwfile");

            
            	verify($fwfile, $files{$fwfile});

            
            	$allfiles .= " $fwfile";

            
                }


                $allfiles =~ s/^\s//;


                $allfiles;

            
            }


            sub mpc718 {

            
                my $archive = 'Yuan MPC718 TV Tuner Card 2.13.10.1016.zip';

            
                my $url = "ftp://ftp.work.acer-euro.com/desktop/aspire_idea510/vista/Drivers/$archive";

            
                my $fwfile = "dvb-cx18-mpc718-mt352.fw";

            
                my $tmpdir = tempdir(DIR => "/tmp", CLEANUP => 1);


                checkstandard();

            
                wgetfile($archive, $url);

            
                unzip($archive, $tmpdir);


                my $sourcefile = "$tmpdir/Yuan MPC718 TV Tuner Card 2.13.10.1016/mpc718_32bit/yuanrap.sys";

            
                my $found = 0;


                open IN, '<', $sourcefile or die "Couldn't open $sourcefile to extract $fwfile data\n";

            
                binmode IN;

            
                open OUT, '>', $fwfile;

            
                binmode OUT;

            
                {

            
            	# Block scope because we change the line terminator variable $/

            
            	my $prevlen = 0;

            
            	my $currlen;


            	# Buried in the data segment are 3 runs of almost identical

            
            	# register-value pairs that end in 0x5d 0x01 which is a "TUNER GO"

            
            	# command for the MT352.

            
            	# Pull out the middle run (because it's easy) of register-value

            
            	# pairs to make the "firmware" file.


            	local $/ = "\x5d\x01"; # MT352 "TUNER GO"


            	while (<IN>) {

            
            	    $currlen = length($_);

            
            	    if ($prevlen == $currlen && $currlen <= 64) {

            
            		chop; chop; # Get rid of "TUNER GO"

            
            		s/^\0\0//;  # get rid of leading 00 00 if it's there

            
            		printf OUT "$_";

            
            		$found = 1;

            
            		last;

            
            	    }

            
            	    $prevlen = $currlen;

            
            	}

            
                }

            
                close OUT;

            
                close IN;

            
                if (!$found) {

            
            	unlink $fwfile;

            
            	die "Couldn't find valid register-value sequence in $sourcefile for $fwfile\n";

            
                }

            
                $fwfile;

            
            }


            sub cx23885 {

            
                my $url = "http://linuxtv.org/downloads/firmware/";


                my %files = (

            
            	'v4l-cx23885-avcore-01.fw' => 'a9f8f5d901a7fb42f552e1ee6384f3bb',

            
            	'v4l-cx23885-enc.fw'       => 'a9f8f5d901a7fb42f552e1ee6384f3bb',

            
                );


                checkstandard();


                my $allfiles;

            
                foreach my $fwfile (keys %files) {

            
            	wgetfile($fwfile, "$url/$fwfile");

            
            	verify($fwfile, $files{$fwfile});

            
            	$allfiles .= " $fwfile";

            
                }


                $allfiles =~ s/^\s//;


                $allfiles;

            
            }


            sub pvrusb2 {

            
                my $url = "http://linuxtv.org/downloads/firmware/";


                my %files = (

            
            	'v4l-cx25840.fw'           => 'dadb79e9904fc8af96e8111d9cb59320',

            
                );


                checkstandard();


                my $allfiles;

            
                foreach my $fwfile (keys %files) {

            
            	wgetfile($fwfile, "$url/$fwfile");

            
            	verify($fwfile, $files{$fwfile});

            
            	$allfiles .= " $fwfile";

            
                }


                $allfiles =~ s/^\s//;


                $allfiles;

            
            }


            sub or51132_qam {

            
                my $fwfile = "dvb-fe-or51132-qam.fw";

            
                my $url = "http://linuxtv.org/downloads/firmware/$fwfile";

            
                my $hash = "7702e8938612de46ccadfe9b413cb3b5";


                checkstandard();


                wgetfile($fwfile, $url);

            
                verify($fwfile, $hash);


                $fwfile;

            
            }


            sub or51132_vsb {

            
                my $fwfile = "dvb-fe-or51132-vsb.fw";

            
                my $url = "http://linuxtv.org/downloads/firmware/$fwfile";

            
                my $hash = "c16208e02f36fc439a557ad4c613364a";


                checkstandard();


                wgetfile($fwfile, $url);

            
                verify($fwfile, $hash);


                $fwfile;

            
            }


            sub bluebird {

            
            	my $url = "http://www.linuxtv.org/download/dvb/firmware/dvb-usb-bluebird-01.fw";

            
            	my $outfile = "dvb-usb-bluebird-01.fw";

            
            	my $hash = "658397cb9eba9101af9031302671f49d";


            	checkstandard();


            	wgetfile($outfile, $url);

            
            	verify($outfile,$hash);


            	$outfile;

            
            }


            sub af9015 {

            
            	my $sourcefile = "download.ashx?file=57";

            
            	my $url = "http://www.ite.com.tw/EN/Services/$sourcefile";

            
            	my $hash = "e3f08935158038d385ad382442f4bb2d";

            
            	my $outfile = "dvb-usb-af9015.fw";

            
            	my $tmpdir = tempdir(DIR => "/tmp", CLEANUP => 1);

            
            	my $fwoffset = 0x25690;

            
            	my $fwlength = 18725;

            
            	my ($chunklength, $buf, $rcount);


            	checkstandard();


            	wgetfile($sourcefile, $url);

            
            	unzip($sourcefile, $tmpdir);

            
            	verify("$tmpdir/Driver/Files/AF15BDA.sys", $hash);


            	open INFILE, '<', "$tmpdir/Driver/Files/AF15BDA.sys";

            
            	open OUTFILE, '>', $outfile;


            	sysseek(INFILE, $fwoffset, SEEK_SET);

            
            	while($fwlength > 0) {

            
            		$chunklength = 55;

            
            		$chunklength = $fwlength if ($chunklength > $fwlength);

            
            		$rcount = sysread(INFILE, $buf, $chunklength);

            
            		die "Ran out of data\n" if ($rcount != $chunklength);

            
            		syswrite(OUTFILE, $buf);

            
            		sysread(INFILE, $buf, 8);

            
            		$fwlength -= $rcount + 8;

            
            	}


            	close OUTFILE;

            
            	close INFILE;

            
            }


            sub ngene {

            
                my $url = "http://www.digitaldevices.de/download/";

            
                my $file1 = "ngene_15.fw";

            
                my $hash1 = "d798d5a757121174f0dbc5f2833c0c85";

            
                my $file2 = "ngene_17.fw";

            
                my $hash2 = "26b687136e127b8ac24b81e0eeafc20b";

            
                my $url2 = "http://l4m-daten.de/downloads/firmware/dvb-s2/linux/all/";

            
                my $file3 = "ngene_18.fw";

            
                my $hash3 = "ebce3ea769a53e3e0b0197c3b3f127e3";


                checkstandard();


                wgetfile($file1, $url . $file1);

            
                verify($file1, $hash1);


                wgetfile($file2, $url . $file2);

            
                verify($file2, $hash2);


                wgetfile($file3, $url2 . $file3);

            
                verify($file3, $hash3);


                "$file1, $file2, $file3";

            
            }


            sub az6027{

            
                my $file = "AZ6027_Linux_Driver.tar.gz";

            
                my $url = "http://linux.terratec.de/files/$file";

            
                my $firmware = "dvb-usb-az6027-03.fw";


                wgetfile($file, $url);


                #untar

            
                if( system("tar xzvf $file $firmware")){

            
                    die "failed to untar firmware";

            
                }

            
                if( system("rm $file")){

            
                    die ("unable to remove unnecessary files");

            
                }


                $firmware;

            
            }


            sub lme2510_lg {

            
                my $sourcefile = "LMEBDA_DVBS.sys";

            
                my $hash = "fc6017ad01e79890a97ec53bea157ed2";

            
                my $outfile = "dvb-usb-lme2510-lg.fw";

            
                my $hasho = "caa065d5fdbd2c09ad57b399bbf55cad";


                checkstandard();


                verify($sourcefile, $hash);

            
                extract($sourcefile, 4168, 3841, $outfile);

            
                verify($outfile, $hasho);

            
                $outfile;

            
            }


            sub lme2510c_s7395 {

            
                my $sourcefile = "US2A0D.sys";

            
                my $hash = "b0155a8083fb822a3bd47bc360e74601";

            
                my $outfile = "dvb-usb-lme2510c-s7395.fw";

            
                my $hasho = "3a3cf1aeebd17b6ddc04cebe131e94cf";


                checkstandard();


                verify($sourcefile, $hash);

            
                extract($sourcefile, 37248, 3720, $outfile);

            
                verify($outfile, $hasho);

            
                $outfile;

            
            }


            sub lme2510c_s7395_old {

            
                my $sourcefile = "LMEBDA_DVBS7395C.sys";

            
                my $hash = "7572ae0eb9cdf91baabd7c0ba9e09b31";

            
                my $outfile = "dvb-usb-lme2510c-s7395.fw";

            
                my $hasho = "90430c5b435eb5c6f88fd44a9d950674";


                checkstandard();


                verify($sourcefile, $hash);

            
                extract($sourcefile, 4208, 3881, $outfile);

            
                verify($outfile, $hasho);

            
                $outfile;

            
            }


            sub drxk {

            
                my $url = "http://l4m-daten.de/files/";

            
                my $zipfile = "DDTuner.zip";

            
                my $hash = "f5a37b9a20a3534997997c0b1382a3e5";

            
                my $tmpdir = tempdir(DIR => "/tmp", CLEANUP => 1);

            
                my $drvfile = "DDTuner.sys";

            
                my $fwfile = "drxk_a3.mc";


                checkstandard();


                wgetfile($zipfile, $url . $zipfile);

            
                verify($zipfile, $hash);

            
                unzip($zipfile, $tmpdir);

            
                extract("$tmpdir/$drvfile", 0x14dd8, 15634, "$fwfile");


                "$fwfile"

            
            }


            sub drxk_terratec_h5 {

            
                my $url = "http://www.linuxtv.org/downloads/firmware/";

            
                my $hash = "19000dada8e2741162ccc50cc91fa7f1";

            
                my $fwfile = "dvb-usb-terratec-h5-drxk.fw";


                checkstandard();


                wgetfile($fwfile, $url . $fwfile);

            
                verify($fwfile, $hash);


                "$fwfile"

            
            }


            # ---------------------------------------------------------------

            
            # Utilities


            sub checkstandard {

            
                if (system("which unzip > /dev/null 2>&1")) {

            
            	die "This firmware requires the unzip command - see ftp://ftp.info-zip.org/pub/infozip/UnZip.html\n";

            
                }

            
                if (system("which md5sum > /dev/null 2>&1")) {

            
            	die "This firmware requires the md5sum command - see http://www.gnu.org/software/coreutils/\n";

            
                }

            
                if (system("which wget > /dev/null 2>&1")) {

            
            	die "This firmware requires the wget command - see http://wget.sunsite.dk/\n";

            
                }

            
            }


            sub checkunshield {

            
                if (system("which unshield > /dev/null 2>&1")) {

            
            	die "This firmware requires the unshield command - see http://sourceforge.net/projects/synce/\n";

            
                }

            
            }


            sub wgetfile {

            
                my ($sourcefile, $url) = @_;


                if (! -f $sourcefile) {

            
            	system("wget -O \"$sourcefile\" \"$url\"") and die "wget failed - unable to download firmware";

            
                }

            
            }


            sub unzip {

            
                my ($sourcefile, $todir) = @_;


                $status = system("unzip -q -o -d \"$todir\" \"$sourcefile\" 2>/dev/null" );

            
                if ((($status >> 8) > 2) || (($status & 0xff) != 0)) {

            
            	die ("unzip failed - unable to extract firmware");

            
                }

            
            }


            sub unshield {

            
                my ($sourcefile, $todir) = @_;


                system("unshield x -d \"$todir\" \"$sourcefile\" > /dev/null" ) and die ("unshield failed - unable to extract firmware");

            
            }


            sub verify {

            
                my ($filename, $hash) = @_;

            
                my ($testhash);


                open(CMD, "md5sum \"$filename\"|");

            
                $testhash = <CMD>;

            
                $testhash =~ /([a-zA-Z0-9]*)/;

            
                $testhash = $1;

            
                close CMD;

            
                die "Hash of extracted file does not match!\n" if ($testhash ne $hash);

            
            }


            sub copy {

            
                my ($from, $to) = @_;


                system("cp -f \"$from\" \"$to\"") and die ("cp failed");

            
            }


            sub extract {

            
                my ($infile, $offset, $length, $outfile) = @_;

            
                my ($chunklength, $buf, $rcount);


                open INFILE, "<$infile";

            
                open OUTFILE, ">$outfile";

            
                sysseek(INFILE, $offset, SEEK_SET);

            
                while($length > 0) {

            
            	# Calc chunk size

            
            	$chunklength = 2048;

            
            	$chunklength = $length if ($chunklength > $length);


            	$rcount = sysread(INFILE, $buf, $chunklength);

            
            	die "Ran out of data\n" if ($rcount != $chunklength);

            
            	syswrite(OUTFILE, $buf);

            
            	$length -= $rcount;

            
                }

            
                close INFILE;

            
                close OUTFILE;

            
            }


            sub appendfile {

            
                my ($FH, $infile) = @_;

            
                my ($buf);


                open INFILE, "<$infile";

            
                while(1) {

            
            	$rcount = sysread(INFILE, $buf, 2048);

            
            	last if ($rcount == 0);

            
            	print $FH $buf;

            
                }

            
                close(INFILE);

            
            }


            sub delzero{

            
            	my ($infile,$outfile) =@_;


            	open INFILE,"<$infile";

            
            	open OUTFILE,">$outfile";

            
            	while (1){

            
            		$rcount=sysread(INFILE,$buf,22);

            
            		$len=ord(substr($buf,0,1));

            
            		print OUTFILE substr($buf,0,1);

            
            		print OUTFILE substr($buf,2,$len+3);

            
            	last if ($rcount<1);

            
            	printf OUTFILE "%c",0;

            
            #print $len." ".length($buf)."\n";


            	}

            
            	close(INFILE);

            
            	close(OUTFILE);

            
            }


            sub syntax() {

            
                print STDERR "syntax: get_dvb_firmware <component>\n";

            
                print STDERR "Supported components:\n";

            
                @components = sort @components;

            
                for($i=0; $i < scalar(@components); $i++) {

            
            	print STDERR "\t" . $components[$i] . "\n";

            
                }

            
                exit(1);

            
            }
	#!/usr/bin/perl
	# DVB firmware extractor
	#
	# (c) 2004 Andrew de Quincey
	#
	# This program is free software; you can redistribute it and/or modify
	# it under the terms of the GNU General Public License as published by
	# the Free Software Foundation; either version 2 of the License, or
	# (at your option) any later version.
	#
	# This program is distributed in the hope that it will be useful,
	# but WITHOUT ANY WARRANTY; without even the implied warranty of
	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	#
	# GNU General Public License for more details.
	#
	# You should have received a copy of the GNU General Public License
	# along with this program; if not, write to the Free Software
	# Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.

	use File::Temp qw/ tempdir /;
	use IO::Handle;

	@components = ( "sp8870", "sp887x", "tda10045", "tda10046",
	"tda10046lifeview", "av7110", "dec2000t", "dec2540t",
	"dec3000s", "vp7041", "dibusb", "nxt2002", "nxt2004",
	"or51211", "or51132_qam", "or51132_vsb", "bluebird",
	"opera1", "cx231xx", "cx18", "cx23885", "pvrusb2", "mpc718",
	"af9015", "ngene", "az6027", "lme2510_lg", "lme2510c_s7395",
	"lme2510c_s7395_old", "drxk", "drxk_terratec_h5");

	# Check args
	syntax() if (scalar(@ARGV) != 1);
	$cid = $ARGV[0];

	# Do it!
	for ($i=0; $i < scalar(@components); $i++) {
	if ($cid eq $components[$i]) {
	$outfile = eval($cid);
	die $@ if $@;
	print STDERR <<EOF;
	Firmware(s) $outfile extracted successfully.
	Now copy it(them) to either /usr/lib/hotplug/firmware or /lib/firmware
	(depending on configuration of firmware hotplug).
	EOF
	exit(0);
	}
	}

	# If we get here, it wasn't found
	print STDERR "Unknown component \"$cid\"\n";
	syntax();




	# ---------------------------------------------------------------
	# Firmware-specific extraction subroutines

	sub sp8870 {
	my $sourcefile = "tt_Premium_217g.zip";
	my $url = "http://www.softwarepatch.pl/9999ccd06a4813cb827dbb0005071c71/$sourcefile";
	my $hash = "53970ec17a538945a6d8cb608a7b3899";
	my $outfile = "dvb-fe-sp8870.fw";
	my $tmpdir = tempdir(DIR => "/tmp", CLEANUP => 1);

	checkstandard();

	wgetfile($sourcefile, $url);
	unzip($sourcefile, $tmpdir);
	verify("$tmpdir/software/OEM/HE/App/boot/SC_MAIN.MC", $hash);
	copy("$tmpdir/software/OEM/HE/App/boot/SC_MAIN.MC", $outfile);

	$outfile;
	}

	sub sp887x {
	my $sourcefile = "Dvbt1.3.57.6.zip";
	my $url = "http://www.avermedia.com/software/$sourcefile";
	my $cabfile = "DVBT Net Ver1.3.57.6/disk1/data1.cab";
	my $hash = "237938d53a7f834c05c42b894ca68ac3";
	my $outfile = "dvb-fe-sp887x.fw";
	my $tmpdir = tempdir(DIR => "/tmp", CLEANUP => 1);

	checkstandard();
	checkunshield();

	wgetfile($sourcefile, $url);
	unzip($sourcefile, $tmpdir);
	unshield("$tmpdir/$cabfile", $tmpdir);
	verify("$tmpdir/ZEnglish/sc_main.mc", $hash);
	copy("$tmpdir/ZEnglish/sc_main.mc", $outfile);

	$outfile;
	}

	sub tda10045 {
	my $sourcefile = "tt_budget_217g.zip";
	my $url = "http://www.technotrend.de/new/217g/$sourcefile";
	my $hash = "2105fd5bf37842fbcdfa4bfd58f3594a";
	my $outfile = "dvb-fe-tda10045.fw";
	my $tmpdir = tempdir(DIR => "/tmp", CLEANUP => 1);

	checkstandard();

	wgetfile($sourcefile, $url);
	unzip($sourcefile, $tmpdir);
	extract("$tmpdir/software/OEM/PCI/App/ttlcdacc.dll", 0x37ef9, 30555, "$tmpdir/fwtmp");
	verify("$tmpdir/fwtmp", $hash);
	copy("$tmpdir/fwtmp", $outfile);

	$outfile;
	}

	sub tda10046 {
	my $sourcefile = "TT_PCI_2.19h_28_11_2006.zip";
	my $url = "http://www.tt-download.com/download/updates/219/$sourcefile";
	my $hash = "6a7e1e2f2644b162ff0502367553c72d";
	my $outfile = "dvb-fe-tda10046.fw";
	my $tmpdir = tempdir(DIR => "/tmp", CLEANUP => 1);

	checkstandard();

	wgetfile($sourcefile, $url);
	unzip($sourcefile, $tmpdir);
	extract("$tmpdir/TT_PCI_2.19h_28_11_2006/software/OEM/PCI/App/ttlcdacc.dll", 0x65389, 24478, "$tmpdir/fwtmp");
	verify("$tmpdir/fwtmp", $hash);
	copy("$tmpdir/fwtmp", $outfile);

	$outfile;
	}

	sub tda10046lifeview {
	my $sourcefile = "7%5Cdrv_2.11.02.zip";
	my $url = "http://www.lifeview.hk/dbimages/document/$sourcefile";
	my $hash = "1ea24dee4eea8fe971686981f34fd2e0";
	my $outfile = "dvb-fe-tda10046.fw";
	my $tmpdir = tempdir(DIR => "/tmp", CLEANUP => 1);

	checkstandard();

	wgetfile($sourcefile, $url);
	unzip($sourcefile, $tmpdir);
	extract("$tmpdir/LVHybrid.sys", 0x8b088, 24602, "$tmpdir/fwtmp");
	verify("$tmpdir/fwtmp", $hash);
	copy("$tmpdir/fwtmp", $outfile);

	$outfile;
	}

	sub av7110 {
	my $sourcefile = "dvb-ttpci-01.fw-261d";
	my $url = "http://www.linuxtv.org/downloads/firmware/$sourcefile";
	my $hash = "603431b6259715a8e88f376a53b64e2f";
	my $outfile = "dvb-ttpci-01.fw";

	checkstandard();

	wgetfile($sourcefile, $url);
	verify($sourcefile, $hash);
	copy($sourcefile, $outfile);

	$outfile;
	}

	sub dec2000t {
	my $sourcefile = "dec217g.exe";
	my $url = "http://hauppauge.lightpath.net/de/$sourcefile";
	my $hash = "bd86f458cee4a8f0a8ce2d20c66215a9";
	my $outfile = "dvb-ttusb-dec-2000t.fw";
	my $tmpdir = tempdir(DIR => "/tmp", CLEANUP => 1);

	checkstandard();

	wgetfile($sourcefile, $url);
	unzip($sourcefile, $tmpdir);
	verify("$tmpdir/software/OEM/STB/App/Boot/STB_PC_T.bin", $hash);
	copy("$tmpdir/software/OEM/STB/App/Boot/STB_PC_T.bin", $outfile);

	$outfile;
	}

	sub dec2540t {
	my $sourcefile = "dec217g.exe";
	my $url = "http://hauppauge.lightpath.net/de/$sourcefile";
	my $hash = "53e58f4f5b5c2930beee74a7681fed92";
	my $outfile = "dvb-ttusb-dec-2540t.fw";
	my $tmpdir = tempdir(DIR => "/tmp", CLEANUP => 1);

	checkstandard();

	wgetfile($sourcefile, $url);
	unzip($sourcefile, $tmpdir);
	verify("$tmpdir/software/OEM/STB/App/Boot/STB_PC_X.bin", $hash);
	copy("$tmpdir/software/OEM/STB/App/Boot/STB_PC_X.bin", $outfile);

	$outfile;
	}

	sub dec3000s {
	my $sourcefile = "dec217g.exe";
	my $url = "http://hauppauge.lightpath.net/de/$sourcefile";
	my $hash = "b013ececea83f4d6d8d2a29ac7c1b448";
	my $outfile = "dvb-ttusb-dec-3000s.fw";
	my $tmpdir = tempdir(DIR => "/tmp", CLEANUP => 1);

	checkstandard();

	wgetfile($sourcefile, $url);
	unzip($sourcefile, $tmpdir);
	verify("$tmpdir/software/OEM/STB/App/Boot/STB_PC_S.bin", $hash);
	copy("$tmpdir/software/OEM/STB/App/Boot/STB_PC_S.bin", $outfile);

	$outfile;
	}
	sub opera1{
	my $tmpdir = tempdir(DIR => "/tmp", CLEANUP => 0);

	checkstandard();
	my $fwfile1="dvb-usb-opera1-fpga-01.fw";
	my $fwfile2="dvb-usb-opera-01.fw";
	extract("2830SCap2.sys", 0x62e8, 55024, "$tmpdir/opera1-fpga.fw");
	extract("2830SLoad2.sys",0x3178,0x3685-0x3178,"$tmpdir/fw1part1");
	extract("2830SLoad2.sys",0x0980,0x3150-0x0980,"$tmpdir/fw1part2");
	delzero("$tmpdir/fw1part1","$tmpdir/fw1part1-1");
	delzero("$tmpdir/fw1part2","$tmpdir/fw1part2-1");
	verify("$tmpdir/fw1part1-1","5e0909858fdf0b5b09ad48b9fe622e70");
	verify("$tmpdir/fw1part2-1","d6e146f321427e931df2c6fcadac37a1");
	verify("$tmpdir/opera1-fpga.fw","0f8133f5e9051f5f3c1928f7e5a1b07d");

	my $RES1="\x01\x92\x7f\x00\x01\x00";
	my $RES0="\x01\x92\x7f\x00\x00\x00";
	my $DAT1="\x01\x00\xe6\x00\x01\x00";
	my $DAT0="\x01\x00\xe6\x00\x00\x00";
	open FW,">$tmpdir/opera.fw";
	print FW "$RES1";
	print FW "$DAT1";
	print FW "$RES1";
	print FW "$DAT1";
	appendfile(FW,"$tmpdir/fw1part1-1");
	print FW "$RES0";
	print FW "$DAT0";
	print FW "$RES1";
	print FW "$DAT1";
	appendfile(FW,"$tmpdir/fw1part2-1");
	print FW "$RES1";
	print FW "$DAT1";
	print FW "$RES0";
	print FW "$DAT0";
	copy ("$tmpdir/opera1-fpga.fw",$fwfile1);
	copy ("$tmpdir/opera.fw",$fwfile2);

	$fwfile1.",".$fwfile2;
	}

	sub vp7041 {
	my $sourcefile = "2.422.zip";
	my $url = "http://www.twinhan.com/files/driver/USB-Ter/$sourcefile";
	my $hash = "e88c9372d1f66609a3e7b072c53fbcfe";
	my $outfile = "dvb-vp7041-2.422.fw";
	my $tmpdir = tempdir(DIR => "/tmp", CLEANUP => 1);

	checkstandard();

	wgetfile($sourcefile, $url);
	unzip($sourcefile, $tmpdir);
	extract("$tmpdir/VisionDTV/Drivers/Win2K&XP/UDTTload.sys", 12503, 3036, "$tmpdir/fwtmp1");
	extract("$tmpdir/VisionDTV/Drivers/Win2K&XP/UDTTload.sys", 2207, 10274, "$tmpdir/fwtmp2");

	my $CMD = "\000\001\000\222\177\000";
	my $PAD = "\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000";
	my ($FW);
	open $FW, ">$tmpdir/fwtmp3";
	print $FW "$CMD\001$PAD";
	print $FW "$CMD\001$PAD";
	appendfile($FW, "$tmpdir/fwtmp1");
	print $FW "$CMD\000$PAD";
	print $FW "$CMD\001$PAD";
	appendfile($FW, "$tmpdir/fwtmp2");
	print $FW "$CMD\001$PAD";
	print $FW "$CMD\000$PAD";
	close($FW);

	verify("$tmpdir/fwtmp3", $hash);
	copy("$tmpdir/fwtmp3", $outfile);

	$outfile;
	}

	sub dibusb {
	my $url = "http://www.linuxtv.org/downloads/firmware/dvb-usb-dibusb-5.0.0.11.fw";
	my $outfile = "dvb-dibusb-5.0.0.11.fw";
	my $hash = "fa490295a527360ca16dcdf3224ca243";

	checkstandard();

	wgetfile($outfile, $url);
	verify($outfile,$hash);

	$outfile;
	}

	sub nxt2002 {
	my $sourcefile = "Technisat_DVB-PC_4_4_COMPACT.zip";
	my $url = "http://www.bbti.us/download/windows/$sourcefile";
	my $hash = "476befae8c7c1bb9648954060b1eec1f";
	my $outfile = "dvb-fe-nxt2002.fw";
	my $tmpdir = tempdir(DIR => "/tmp", CLEANUP => 1);

	checkstandard();

	wgetfile($sourcefile, $url);
	unzip($sourcefile, $tmpdir);
	verify("$tmpdir/SkyNET.sys", $hash);
	extract("$tmpdir/SkyNET.sys", 331624, 5908, $outfile);

	$outfile;
	}

	sub nxt2004 {
	my $sourcefile = "AVerTVHD_MCE_A180_Drv_v1.2.2.16.zip";
	my $url = "http://www.avermedia-usa.com/support/Drivers/$sourcefile";
	my $hash = "111cb885b1e009188346d72acfed024c";
	my $outfile = "dvb-fe-nxt2004.fw";
	my $tmpdir = tempdir(DIR => "/tmp", CLEANUP => 1);

	checkstandard();

	wgetfile($sourcefile, $url);
	unzip($sourcefile, $tmpdir);
	verify("$tmpdir/3xHybrid.sys", $hash);
	extract("$tmpdir/3xHybrid.sys", 465304, 9584, $outfile);

	$outfile;
	}

	sub or51211 {
	my $fwfile = "dvb-fe-or51211.fw";
	my $url = "http://linuxtv.org/downloads/firmware/$fwfile";
	my $hash = "d830949c771a289505bf9eafc225d491";

	checkstandard();

	wgetfile($fwfile, $url);
	verify($fwfile, $hash);

	$fwfile;
	}

	sub cx231xx {
	my $fwfile = "v4l-cx231xx-avcore-01.fw";
	my $url = "http://linuxtv.org/downloads/firmware/$fwfile";
	my $hash = "7d3bb956dc9df0eafded2b56ba57cc42";

	checkstandard();

	wgetfile($fwfile, $url);
	verify($fwfile, $hash);

	$fwfile;
	}

	sub cx18 {
	my $url = "http://linuxtv.org/downloads/firmware/";

	my %files = (
	'v4l-cx23418-apu.fw' => '588f081b562f5c653a3db1ad8f65939a',
	'v4l-cx23418-cpu.fw' => 'b6c7ed64bc44b1a6e0840adaeac39d79',
	'v4l-cx23418-dig.fw' => '95bc688d3e7599fd5800161e9971cc55',
	);

	checkstandard();

	my $allfiles;
	foreach my $fwfile (keys %files) {
	wgetfile($fwfile, "$url/$fwfile");
	verify($fwfile, $files{$fwfile});
	$allfiles .= " $fwfile";
	}

	$allfiles =~ s/^\s//;

	$allfiles;
	}

	sub mpc718 {
	my $archive = 'Yuan MPC718 TV Tuner Card 2.13.10.1016.zip';
	my $url = "ftp://ftp.work.acer-euro.com/desktop/aspire_idea510/vista/Drivers/$archive";
	my $fwfile = "dvb-cx18-mpc718-mt352.fw";
	my $tmpdir = tempdir(DIR => "/tmp", CLEANUP => 1);

	checkstandard();
	wgetfile($archive, $url);
	unzip($archive, $tmpdir);

	my $sourcefile = "$tmpdir/Yuan MPC718 TV Tuner Card 2.13.10.1016/mpc718_32bit/yuanrap.sys";
	my $found = 0;

	open IN, '<', $sourcefile or die "Couldn't open $sourcefile to extract $fwfile data\n";
	binmode IN;
	open OUT, '>', $fwfile;
	binmode OUT;
	{
	# Block scope because we change the line terminator variable $/
	my $prevlen = 0;
	my $currlen;

	# Buried in the data segment are 3 runs of almost identical
	# register-value pairs that end in 0x5d 0x01 which is a "TUNER GO"
	# command for the MT352.
	# Pull out the middle run (because it's easy) of register-value
	# pairs to make the "firmware" file.

	local $/ = "\x5d\x01"; # MT352 "TUNER GO"

	while (<IN>) {
	$currlen = length($_);
	if ($prevlen == $currlen && $currlen <= 64) {
	chop; chop; # Get rid of "TUNER GO"
	s/^\0\0//; # get rid of leading 00 00 if it's there
	printf OUT "$_";
	$found = 1;
	last;
	}
	$prevlen = $currlen;
	}
	}
	close OUT;
	close IN;
	if (!$found) {
	unlink $fwfile;
	die "Couldn't find valid register-value sequence in $sourcefile for $fwfile\n";
	}
	$fwfile;
	}

	sub cx23885 {
	my $url = "http://linuxtv.org/downloads/firmware/";

	my %files = (
	'v4l-cx23885-avcore-01.fw' => 'a9f8f5d901a7fb42f552e1ee6384f3bb',
	'v4l-cx23885-enc.fw' => 'a9f8f5d901a7fb42f552e1ee6384f3bb',
	);

	checkstandard();

	my $allfiles;
	foreach my $fwfile (keys %files) {
	wgetfile($fwfile, "$url/$fwfile");
	verify($fwfile, $files{$fwfile});
	$allfiles .= " $fwfile";
	}

	$allfiles =~ s/^\s//;

	$allfiles;
	}

	sub pvrusb2 {
	my $url = "http://linuxtv.org/downloads/firmware/";

	my %files = (
	'v4l-cx25840.fw' => 'dadb79e9904fc8af96e8111d9cb59320',
	);

	checkstandard();

	my $allfiles;
	foreach my $fwfile (keys %files) {
	wgetfile($fwfile, "$url/$fwfile");
	verify($fwfile, $files{$fwfile});
	$allfiles .= " $fwfile";
	}

	$allfiles =~ s/^\s//;

	$allfiles;
	}

	sub or51132_qam {
	my $fwfile = "dvb-fe-or51132-qam.fw";
	my $url = "http://linuxtv.org/downloads/firmware/$fwfile";
	my $hash = "7702e8938612de46ccadfe9b413cb3b5";

	checkstandard();

	wgetfile($fwfile, $url);
	verify($fwfile, $hash);

	$fwfile;
	}

	sub or51132_vsb {
	my $fwfile = "dvb-fe-or51132-vsb.fw";
	my $url = "http://linuxtv.org/downloads/firmware/$fwfile";
	my $hash = "c16208e02f36fc439a557ad4c613364a";

	checkstandard();

	wgetfile($fwfile, $url);
	verify($fwfile, $hash);

	$fwfile;
	}

	sub bluebird {
	my $url = "http://www.linuxtv.org/download/dvb/firmware/dvb-usb-bluebird-01.fw";
	my $outfile = "dvb-usb-bluebird-01.fw";
	my $hash = "658397cb9eba9101af9031302671f49d";

	checkstandard();

	wgetfile($outfile, $url);
	verify($outfile,$hash);

	$outfile;
	}

	sub af9015 {
	my $sourcefile = "download.ashx?file=57";
	my $url = "http://www.ite.com.tw/EN/Services/$sourcefile";
	my $hash = "e3f08935158038d385ad382442f4bb2d";
	my $outfile = "dvb-usb-af9015.fw";
	my $tmpdir = tempdir(DIR => "/tmp", CLEANUP => 1);
	my $fwoffset = 0x25690;
	my $fwlength = 18725;
	my ($chunklength, $buf, $rcount);

	checkstandard();

	wgetfile($sourcefile, $url);
	unzip($sourcefile, $tmpdir);
	verify("$tmpdir/Driver/Files/AF15BDA.sys", $hash);

	open INFILE, '<', "$tmpdir/Driver/Files/AF15BDA.sys";
	open OUTFILE, '>', $outfile;

	sysseek(INFILE, $fwoffset, SEEK_SET);
	while($fwlength > 0) {
	$chunklength = 55;
	$chunklength = $fwlength if ($chunklength > $fwlength);
	$rcount = sysread(INFILE, $buf, $chunklength);
	die "Ran out of data\n" if ($rcount != $chunklength);
	syswrite(OUTFILE, $buf);
	sysread(INFILE, $buf, 8);
	$fwlength -= $rcount + 8;
	}

	close OUTFILE;
	close INFILE;
	}

	sub ngene {
	my $url = "http://www.digitaldevices.de/download/";
	my $file1 = "ngene_15.fw";
	my $hash1 = "d798d5a757121174f0dbc5f2833c0c85";
	my $file2 = "ngene_17.fw";
	my $hash2 = "26b687136e127b8ac24b81e0eeafc20b";
	my $url2 = "http://l4m-daten.de/downloads/firmware/dvb-s2/linux/all/";
	my $file3 = "ngene_18.fw";
	my $hash3 = "ebce3ea769a53e3e0b0197c3b3f127e3";

	checkstandard();

	wgetfile($file1, $url . $file1);
	verify($file1, $hash1);

	wgetfile($file2, $url . $file2);
	verify($file2, $hash2);

	wgetfile($file3, $url2 . $file3);
	verify($file3, $hash3);

	"$file1, $file2, $file3";
	}

	sub az6027{
	my $file = "AZ6027_Linux_Driver.tar.gz";
	my $url = "http://linux.terratec.de/files/$file";
	my $firmware = "dvb-usb-az6027-03.fw";

	wgetfile($file, $url);

	#untar
	if( system("tar xzvf $file $firmware")){
	die "failed to untar firmware";
	}
	if( system("rm $file")){
	die ("unable to remove unnecessary files");
	}

	$firmware;
	}

	sub lme2510_lg {
	my $sourcefile = "LMEBDA_DVBS.sys";
	my $hash = "fc6017ad01e79890a97ec53bea157ed2";
	my $outfile = "dvb-usb-lme2510-lg.fw";
	my $hasho = "caa065d5fdbd2c09ad57b399bbf55cad";

	checkstandard();

	verify($sourcefile, $hash);
	extract($sourcefile, 4168, 3841, $outfile);
	verify($outfile, $hasho);
	$outfile;
	}

	sub lme2510c_s7395 {
	my $sourcefile = "US2A0D.sys";
	my $hash = "b0155a8083fb822a3bd47bc360e74601";
	my $outfile = "dvb-usb-lme2510c-s7395.fw";
	my $hasho = "3a3cf1aeebd17b6ddc04cebe131e94cf";

	checkstandard();

	verify($sourcefile, $hash);
	extract($sourcefile, 37248, 3720, $outfile);
	verify($outfile, $hasho);
	$outfile;
	}

	sub lme2510c_s7395_old {
	my $sourcefile = "LMEBDA_DVBS7395C.sys";
	my $hash = "7572ae0eb9cdf91baabd7c0ba9e09b31";
	my $outfile = "dvb-usb-lme2510c-s7395.fw";
	my $hasho = "90430c5b435eb5c6f88fd44a9d950674";

	checkstandard();

	verify($sourcefile, $hash);
	extract($sourcefile, 4208, 3881, $outfile);
	verify($outfile, $hasho);
	$outfile;
	}

	sub drxk {
	my $url = "http://l4m-daten.de/files/";
	my $zipfile = "DDTuner.zip";
	my $hash = "f5a37b9a20a3534997997c0b1382a3e5";
	my $tmpdir = tempdir(DIR => "/tmp", CLEANUP => 1);
	my $drvfile = "DDTuner.sys";
	my $fwfile = "drxk_a3.mc";

	checkstandard();

	wgetfile($zipfile, $url . $zipfile);
	verify($zipfile, $hash);
	unzip($zipfile, $tmpdir);
	extract("$tmpdir/$drvfile", 0x14dd8, 15634, "$fwfile");

	"$fwfile"
	}

	sub drxk_terratec_h5 {
	my $url = "http://www.linuxtv.org/downloads/firmware/";
	my $hash = "19000dada8e2741162ccc50cc91fa7f1";
	my $fwfile = "dvb-usb-terratec-h5-drxk.fw";

	checkstandard();

	wgetfile($fwfile, $url . $fwfile);
	verify($fwfile, $hash);

	"$fwfile"
	}

	# ---------------------------------------------------------------
	# Utilities

	sub checkstandard {
	if (system("which unzip > /dev/null 2>&1")) {
	die "This firmware requires the unzip command - see ftp://ftp.info-zip.org/pub/infozip/UnZip.html\n";
	}
	if (system("which md5sum > /dev/null 2>&1")) {
	die "This firmware requires the md5sum command - see http://www.gnu.org/software/coreutils/\n";
	}
	if (system("which wget > /dev/null 2>&1")) {
	die "This firmware requires the wget command - see http://wget.sunsite.dk/\n";
	}
	}

	sub checkunshield {
	if (system("which unshield > /dev/null 2>&1")) {
	die "This firmware requires the unshield command - see http://sourceforge.net/projects/synce/\n";
	}
	}

	sub wgetfile {
	my ($sourcefile, $url) = @_;

	if (! -f $sourcefile) {
	system("wget -O \"$sourcefile\" \"$url\"") and die "wget failed - unable to download firmware";
	}
	}

	sub unzip {
	my ($sourcefile, $todir) = @_;

	$status = system("unzip -q -o -d \"$todir\" \"$sourcefile\" 2>/dev/null" );
	if ((($status >> 8) > 2) \|\| (($status & 0xff) != 0)) {
	die ("unzip failed - unable to extract firmware");
	}
	}

	sub unshield {
	my ($sourcefile, $todir) = @_;

	system("unshield x -d \"$todir\" \"$sourcefile\" > /dev/null" ) and die ("unshield failed - unable to extract firmware");
	}

	sub verify {
	my ($filename, $hash) = @_;
	my ($testhash);

	open(CMD, "md5sum \"$filename\"\|");
	$testhash = <CMD>;
	$testhash =~ /([a-zA-Z0-9]*)/;
	$testhash = $1;
	close CMD;
	die "Hash of extracted file does not match!\n" if ($testhash ne $hash);
	}

	sub copy {
	my ($from, $to) = @_;

	system("cp -f \"$from\" \"$to\"") and die ("cp failed");
	}

	sub extract {
	my ($infile, $offset, $length, $outfile) = @_;
	my ($chunklength, $buf, $rcount);

	open INFILE, "<$infile";
	open OUTFILE, ">$outfile";
	sysseek(INFILE, $offset, SEEK_SET);
	while($length > 0) {
	# Calc chunk size
	$chunklength = 2048;
	$chunklength = $length if ($chunklength > $length);

	$rcount = sysread(INFILE, $buf, $chunklength);
	die "Ran out of data\n" if ($rcount != $chunklength);
	syswrite(OUTFILE, $buf);
	$length -= $rcount;
	}
	close INFILE;
	close OUTFILE;
	}

	sub appendfile {
	my ($FH, $infile) = @_;
	my ($buf);

	open INFILE, "<$infile";
	while(1) {
	$rcount = sysread(INFILE, $buf, 2048);
	last if ($rcount == 0);
	print $FH $buf;
	}
	close(INFILE);
	}

	sub delzero{
	my ($infile,$outfile) =@_;

	open INFILE,"<$infile";
	open OUTFILE,">$outfile";
	while (1){
	$rcount=sysread(INFILE,$buf,22);
	$len=ord(substr($buf,0,1));
	print OUTFILE substr($buf,0,1);
	print OUTFILE substr($buf,2,$len+3);
	last if ($rcount<1);
	printf OUTFILE "%c",0;
	#print $len." ".length($buf)."\n";

	}
	close(INFILE);
	close(OUTFILE);
	}

	sub syntax() {
	print STDERR "syntax: get_dvb_firmware <component>\n";
	print STDERR "Supported components:\n";
	@components = sort @components;
	for($i=0; $i < scalar(@components); $i++) {
	print STDERR "\t" . $components[$i] . "\n";
	}
	exit(1);
	}