mirror of https://github.com/mpv-player/mpv
257 lines
7.9 KiB
Perl
Executable File
257 lines
7.9 KiB
Perl
Executable File
#!/usr/bin/perl
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#
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# (c) 2002-2004 by Florian Schilhabel <florian.schilhabel@web.de>
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#
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#
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# version 0.1 initial release 22/08/2002
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#
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#
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# If you have any comments, suggestions, etc., feel free to send me a mail ;-))
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# flames and other things like that should go to /dev/null
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# thankx to all the mplayer developers for this really *great* piece of software
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#
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#
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# This script is free software; you can redistribute it and/or
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# modify it under the terms of the GNU Lesser General Public
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# License as published by the Free Software Foundation; either
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# version 2.1 of the License, or (at your option) any later version.
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#
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# This script is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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# Lesser General Public License for more details.
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#
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# You should have received a copy of the GNU Lesser General Public
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# License along with this library; if not, write to the Free Software
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# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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#
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#
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#
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use Getopt::Long;
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# specify your default Settings here...
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$abr_default = 128; # The default AudioBitRate
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$lang_default = "de"; # ... the language
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$cdsize_default = 700; # ... the CD-Rom Size
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$writedev_default = "0,1,0"; # ... the CD Writer Device
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$speed_default = 4; # ... the writer speed
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$dvd_device = "/dev/dvd"; # and the DVD Rom Device
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# end of default Settings
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sub delete_tempfiles {
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if (open(FILE, "< audio.stderr")) {
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close (FILE);
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system ("rm audio.stderr")
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}
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if (open(FILE, "< frameno.avi")) {
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close (FILE);
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system ("rm frameno.avi");
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}
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if (open(FILE, "< lavc_stats.txt")) {
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close (FILE);
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system ("rm lavc_stats.txt");
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}
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}
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GetOptions( "help" => \$help,
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"abr=i" => \$abr,
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"lang=s" =>\$lang,
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"cdsize=i" => \$cdsize,
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"dvd=i" => \$dvd_track,
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"keeptemp" => \$keeptemp,
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"shutdown" => \$shutdown,
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"out=s" => \$output,
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"writecd" => \$writecd,
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"writedev=s" => \$writedev,
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"speed=i" => \$speed,
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"dvd-device=s" => \$dvd_device );
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if ($help) {
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print "Welcome to the DVD to DIVX Helper Script\n";
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print "\n";
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print "this script encodes a DVD track in 3-pass mode to libavcodec's mpeg4\n";
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print "Optionally it writes the resulting MovieFile to a CD-Rom\n";
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print "as well as the corresponding audio track to mp3\n";
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print "Optionally it writes the resulting MovieFile to a CD-Rom\n";
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print "and shuts down the Computer.\n";
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print "If you like, you can watch the mencoder output on /dev/tty8\n";
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print "Usage:\n";
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print "--help show this text\n";
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print "--abr (AudioBitRate) Please enter the desired bitrate\n";
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print " this can be either [96|128|192] kbit/sec.\n";
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print " Default: 128 kbit/sec.\n";
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print "--lang specify the Language of the audio track\n";
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print " this can be for example <en> or <de>\n";
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print " Default: <de>\n";
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print "--dvd specify the DVD Track, you want to encode\n";
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print "--cdsize specify the Size of your CD-ROM\n";
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print " Default: 700MB\n";
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print "--shutdown Shutdown the System, when the encoding process has finished\n";
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print " this will only be possible if you are root\n";
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print "--out Specify the Name of your encoded Movie\n";
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print " The File Extension will be appended automatically\n";
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print "--writecd takes the newly created Movie and writes it to a CD-Rom\n";
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print "--writedev is the usual cdrecord device identifier\n";
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print " for example 0,1,0\n";
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print "--speed the writing speed\n";
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print " Default: 4\n";
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print "--dvd-device device to pull the video off\n";
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print " Default: /dev/dvd\n";
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exit;
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}
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delete_tempfiles();
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# testing user values && set defaults...
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if ($abr == 96){}
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elsif ($abr == 128) {}
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elsif ($abr == 192) {}
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elsif ($abr == 0 ) {
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print "No AudioBitRate specified - Setting to Default Value\n";
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$abr = $abr_default;
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}
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else {
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print "AudioBitRate not valid. please choose [96|128|192]\n";
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exit;
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}
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if ($lang eq "") {
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print "No Language specified - Setting to Default Value\n";
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$lang = $lang_default;
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}
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else {}
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if ($dvd_track == 0 ) {
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print "No DVD Track selected - You must specify one with: --dvd trackno.\n";
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exit;
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}
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if ($cdsize == 650) {}
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elsif ($cdsize == 700) {}
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elsif ($cdsize == 800) {}
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elsif ($cdsize == 0 ) {
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print "No CD Size Specified - Setting to Default Value\n";
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$cdsize = $cdsize_default;
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}
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else {
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print "CD Size not valid. please choose [650|700|800]\n";
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exit;
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}
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if ($output eq "") {
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print "No MovieName given - You must specify one with: --out [movie_name]\n";
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exit;
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}
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else {
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($name, $extension) = split(/./, $out);
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if ($extension eq "avi") {
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$vob_tempfile = "$name.vob";
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$avi_filename = "$output";
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}
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else {
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$vob_tempfile = "$output.vob";
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print "VOB CacheFile set to $vob_tempfile\n";
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$avi_filename = "$output.avi";
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print "Movie Filename set to $avi_filename\n";
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}
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}
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if ($shutdown) {
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# test who i am
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$user = `id -u`;
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if ($user == 0) {
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print "System will be shut down after Movie encoding\n";
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}
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else {
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print "Cannot shutdown the system after Movie encoding - you are not 'root'\n";
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exit;
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}
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}
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if ($writecd) {
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if ($writedev == "") {
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print "Setting CD Writer Device to Default Value\n";
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$writedev = $writedev_default;
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}
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if ($speed == 0) {
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print "Setting CD Writer Speed to Default value\n";
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$speed = $speed_default;
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}
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}
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###
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print "Your Settings for this run are:\n";
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print "AudioBitRate: $abr\n";
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print "Language: $lang\n";
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print "DVD-Track: $dvd_track\n";
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print "CD-Rom Size: $cdsize\n";
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print "Movie FIlename: $avi_filename\n";
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if ($writecd) {
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print "CD Writer Dev.: $writedev\n";
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print "Writer Speed: $speed\n";
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}
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# here comes the fun part...
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print "precacheing...\n";
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$status = system ("mencoder dvd://$dvd_track -ovc copy -oac copy -dvd-device $dvd_device -alang $lang -o $vob_tempfile 1>/dev/tty8 2>/dev/tty8");
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die "Prechacheing failed. mencoder exited with Status Code $?" unless $status == 0;
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print "Encoding Audio...\n";
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$status = system ("mencoder $vob_tempfile -ovc frameno -oac mp3lame -lameopts br=$abr:cbr:vol=3 -o frameno.avi 1>./audio.stderr 2>/dev/tty8");
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die "Encoding Audio failed. mencoder exited with Status Code $?" unless $status == 0;
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# now we have to find out the recommended bitrate for the Video encoding process...
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# my current method to find this out is, hmm, well, *strange*
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# but anyway, it works ;-))
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open(FILE, "< audio.stderr") or die "Unable to open audio.stderr.";
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@lines = <FILE>;
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foreach $line (@lines) {
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($index, $zz) = split(" ", $line);
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if ($index eq "Recommended") {
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($a, $b, $c, $d, $size, $f, $bitrate) = split(" ", $line);
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if ($cdsize == $size) {
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$video_bitrate = $bitrate;
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print "Setting Videobitrate to $video_bitrate\n";
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}
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}
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}
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close (FILE);
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print "Encoding Video Stream, 1st pass...\n";
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$status = system ("mencoder $vob_tempfile -ovc lavc -lavcopts vpass=1:vcodec=mpeg4:vbitrate=$video_bitrate:vhq -oac copy -o $avi_filename 1>/dev/tty8 2>/dev/tty8");
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die "Encoding Video Stream failed. mencoder exited with Status Code $?" unless $status == 0;
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print "Encoding Video Stream, 2nd pass...\n";
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$status = system ("mencoder $vob_tempfile -ovc lavc -lavcopts vpass=2:vcodec=mpeg4:vbitrate=$video_bitrate:vhq -oac copy -o $avi_filename 1>/dev/tty8 2>/dev/tty8");
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die "Encoding Video Stream failed. mencoder exited with Status Code $?" unless $status == 0;
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print "finished encoding\n";
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if ($writecd) {
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print "Now writing CD-Rom\n";
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$status = system("mkisofs -r -J $avi_filename | cdrecord speed=$speed dev=$writedev -data - 2>/dev/tty8 1>/dev/tty8");
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die "Writing CD failed. cdrecord exited with Status Code $?" unless $status == 0;
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}
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delete_tempfiles();
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print "Finished - have a nice day ;-)\n";
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if ($shutdown) {
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system("halt");
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exit;
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}
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exit;
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