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authorJörg Frings-Fürst <jff@merkur>2014-07-06 15:20:38 +0200
committerJörg Frings-Fürst <jff@merkur>2014-07-06 15:20:38 +0200
commit126bb8cb6b93240bb4d3a2b816b74c286c3d422b (patch)
treee66e1dfe77d53a52539489765c88d23e4423ae27 /lib/gcstar/GCExtract/GCExtractFilms.pm
Imported Upstream version 1.7.0upstream/1.7.0
Diffstat (limited to 'lib/gcstar/GCExtract/GCExtractFilms.pm')
-rw-r--r--lib/gcstar/GCExtract/GCExtractFilms.pm476
1 files changed, 476 insertions, 0 deletions
diff --git a/lib/gcstar/GCExtract/GCExtractFilms.pm b/lib/gcstar/GCExtract/GCExtractFilms.pm
new file mode 100644
index 0000000..fbcd9f5
--- /dev/null
+++ b/lib/gcstar/GCExtract/GCExtractFilms.pm
@@ -0,0 +1,476 @@
+package GCExtract::GCExtractFilms;
+
+###################################################
+#
+# Copyright 2005-2010 Christian Jodar
+#
+# This file is part of GCstar.
+#
+# GCstar 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.
+#
+# GCstar 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 GCstar; if not, write to the Free Software
+# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
+#
+###################################################
+
+use strict;
+use GCExtract;
+
+{
+ package GCExtract::GCfilmsExtracter;
+ use base 'GCItemExtracter';
+
+ sub new
+ {
+ my $proto = shift;
+ my $class = ref($proto) || $proto;
+ my $self = $class->SUPER::new(@_);
+ bless ($self, $class);
+
+ return $self;
+ }
+
+ sub readInt
+ {
+ my ($self, $size) = @_;
+ my $buf;
+
+ $size = 4 if !$size;
+
+ read $self->{file},$buf,$size;
+ return unpack "i",$buf;
+ }
+
+ sub getAviInfo
+ {
+ my $self = shift;
+
+ my $info = {};
+
+ my @audioCodecs;
+ $audioCodecs[0x0001] = 'PCM';
+ $audioCodecs[0x0002] = 'ADPCM';
+ $audioCodecs[0x0030] = 'Dolby AC2';
+ $audioCodecs[0x0050] = 'MPEG';
+ $audioCodecs[0x0055] = 'MP3';
+ $audioCodecs[0x0092] = 'Dolby AC3 SPDIF';
+ $audioCodecs[0x2000] = 'Dolby AC3';
+ $audioCodecs[0x2001] = 'Dolby DTS';
+ $audioCodecs[0x2002] = 'WAVE';
+ $audioCodecs[0x2003] = 'WAVE';
+ $audioCodecs[0x2004] = 'WAVE';
+ $audioCodecs[0x2005] = 'WAVE';
+ $audioCodecs[0x674F] = 'Ogg Vorbis',
+ $audioCodecs[0x6750] = 'Ogg Vorbis',
+ $audioCodecs[0x6751] = 'Ogg Vorbis',
+ $audioCodecs[0x676F] = 'Ogg Vorbis',
+ $audioCodecs[0x6770] = 'Ogg Vorbis',
+ $audioCodecs[0x6771] = 'Ogg Vorbis',
+
+ my $chunkName;
+ seek $self->{file},8,0;
+ read $self->{file},$chunkName,8;
+ return $info if ($chunkName ne 'AVI LIST');
+ seek $self->{file},4,1;
+ read $self->{file},$chunkName,8;
+
+ $self->readInt;
+ my $dwMicroSecPerFrame = $self->readInt;
+ my $dwMaxBytesPerSec = $self->readInt;
+ my $dwReserved1 = $self->readInt;
+ my $dwFlags = $self->readInt;
+ my $dwTotalFrames = $self->readInt;
+ my $dwInitialFrames = $self->readInt;
+ my $dwStreams = $self->readInt;
+ my $dwSuggestedBufferSize = $self->readInt;
+ $info->{width} = $self->readInt;
+ $info->{height} = $self->readInt;
+ my $dwScale = $self->readInt;
+ my $dwRate = $self->readInt;
+ my $dwStart = $self->readInt;
+ my $dwLength = $self->readInt;
+
+ $info->{length} = ($dwTotalFrames * $dwMicroSecPerFrame) / 60000000;
+ $info->{length} = GCUtils::round($info->{length});
+
+ my $buff;
+ my ($gotVids, $gotAuds) = (0,0);
+ while (! eof($self->{file}))
+ {
+ read $self->{file},$chunkName,4;
+ if ($chunkName eq 'strl')
+ {
+ seek $self->{file},8,1;
+ read $self->{file},$buff,4;
+ if ($buff eq 'vids')
+ {
+ read $self->{file},$info->{type},4;
+ $gotVids = 1;
+ }
+ elsif ($buff eq 'auds')
+ {
+ read $self->{file},$info->{audioEncoding},4;
+ $info->{audioEncoding} =~ s/^.*?\w*\W*?$/$1/g;
+ if (!$info->{audioEncoding})
+ {
+ read $self->{file},$chunkName,4 while ($chunkName ne 'strf');
+ seek $self->{file},4,1;
+ my $codec;
+ read $self->{file}, $codec, 2;
+ $codec = unpack "v",$codec;
+ $codec = $audioCodecs[$codec];
+ seek $self->{file}, 2, 1;
+ my $hz = $self->readInt;
+ $info->{audioEncoding} = $codec if $codec;
+ $info->{audioEncoding} .= " ($hz Hz)" if $hz;
+ }
+ $gotAuds = 1;
+ }
+ last if $gotVids && $gotAuds;
+ }
+ last if ($chunkName eq 'movi');
+ }
+
+ return {} if ($buff ne 'vids') && ($buff ne 'auds');
+
+ return $info;
+ }
+
+ sub getMovAtom
+ {
+ my ($self, $wanted, $subAtom) = @_;
+
+ my $copy = $subAtom;
+
+ my ($header, $type, $length);
+ my $atom = 0;
+
+ if ($subAtom)
+ {
+ while ($copy)
+ {
+ $header = substr($copy, 0, 8, '');
+ ($length, $type) = unpack("Na4", $header);
+ last if $type eq $wanted;
+ substr($copy, 0 , $length - 8, '');
+ }
+ if ($copy)
+ {
+ $atom = substr($copy, 0 , $length - 8, '');
+ }
+ }
+ else
+ {
+ while (!eof ($self->{file}))
+ {
+ read $self->{file}, $header, 8;
+ ($length, $type) = unpack("Na4", $header);
+ last if $type eq $wanted;
+ seek $self->{file},$length - 8, 1;
+ }
+ if ($self->{file})
+ {
+ read $self->{file}, $atom, $length - 8;
+ }
+ }
+
+ return $atom;
+ }
+
+ sub getMovInfo
+ {
+ #Inspired from Video::Info::Quicktime_PL
+
+ my $self = shift;
+
+ my $info = {};
+
+ seek $self->{file},0,0;
+
+ my $header;
+
+ my $atom = $self->getMovAtom('moov');
+
+
+ if ($atom)
+ {
+ while (length($atom) > 0)
+ {
+ my ($sublen) = unpack("Na4", substr( $atom, 0, 4, '') );
+ my ($subatom) = substr($atom, 0, $sublen-4, '');
+ my($type) = substr($subatom, 0, 4, '');
+
+ if ($type eq 'mvhd')
+ {
+ my $timeScale = unpack( "Na4", substr($subatom,12,4));
+ my $duration = unpack( "Na4", substr($subatom,16,4));
+ $info->{length} = GCUtils::round($duration / ($timeScale * 60));
+ }
+ elsif ($type eq 'trak')
+ {
+ my $tkhd = $self->getMovAtom('tkhd', $subatom);
+ my $mdia = $self->getMovAtom('mdia', $subatom);
+ next if !$mdia;
+ my $minf = $self->getMovAtom('minf', $mdia);
+ next if !$minf;
+ my $vmhd = $self->getMovAtom('vmhd', $minf);
+ my $smhd = $self->getMovAtom('smhd', $minf);
+ if ($vmhd || $smhd)
+ {
+ my $stbl = $self->getMovAtom('stbl', $minf);
+ my $stsd = $self->getMovAtom('stsd', $stbl);
+
+ if ($vmhd)
+ {
+ my $width = unpack("Na4", substr($tkhd,74,4));
+ my $height = unpack("Na4", substr($tkhd,78,4));
+ ($info->{width}, $info->{height}) = ($width, $height);
+ ($info->{type} = substr($stsd,12,8)) =~ s/\W(.*?)\W/$1/g;
+ }
+ else
+ {
+ ($info->{audioEncoding}= substr($stsd,12,8)) =~ s/\W(.*?)\W/$1/g;
+ }
+ }
+ }
+ }
+ }
+ return $info;
+ }
+
+ sub getMpgInfo
+ {
+ #Inspired from MPEG::Info
+
+ my $self = shift;
+
+ my @frameRates = (
+ 0,
+ 24000/1001,
+ 24,
+ 25,
+ 30000/1001,
+ 30,
+ 50,
+ 60000/1001,
+ 60,
+ );
+
+ my $info = {};
+ $info->{type} = 'MPEG';
+ $info->{audioEncoding} = 'MPEG';
+
+ my $magic;
+ my $numMagic = unpack("N",$self->{magic});
+ while (!eof($self->{file}) && $numMagic != 0x000001b3)
+ {
+ read $self->{file},$magic,4;
+ $numMagic = unpack("N",$magic);
+ seek $self->{file},-3, 1;
+ }
+ seek $self->{file},3, 1;
+ my $size;
+ read $self->{file},$size,3;
+
+ $info->{width} = ((unpack "n",substr($size,0,2)) >> 4);
+ $info->{height} = ((unpack "n",substr($size,1,2)) & 0x0fff);
+
+ my $fps;
+ read $self->{file},$fps,1;
+ $fps = $frameRates[ord($fps) & 0x0f];
+
+ my ($buff1, $buff2);
+ read $self->{file}, $buff1, 2;
+ $buff1 = unpack 'n', $buff1;
+ $buff1 <<= 2;
+ read $self->{file}, $buff2, 1;
+ $buff2 = unpack 'C', $buff2;
+ $buff2 >>=6;
+ my $bitRate = ( ( $buff1 | $buff2 ) * 400);
+
+ $info->{length} = GCUtils::round((($self->{fileSize} * 8 ) / $bitRate) / 60) if $bitRate;
+
+ return $info;
+ }
+
+ sub findOgmPage
+ {
+ #Inspired from Ogg::Vorbis::Header::PurePerl
+
+ my $self = shift;
+ my $char;
+ my $curStr = '';
+
+ my $i = 0;
+ while (read($self->{file}, $char, 1))
+ {
+ $curStr = $char . $curStr;
+ $curStr = substr($curStr, 0, 4);
+ if ($curStr eq 'SggO')
+ {
+ seek $self->{file}, 8, 1;
+ my $serial = $self->readInt(4);
+ return $serial;
+ }
+ }
+ return -1;
+ }
+
+ sub findLastOgmPage
+ {
+ my $self = shift;
+ my $buff;
+ my $curStr = '';
+
+ seek $self->{file}, -5, 2;
+
+ my $i = 0;
+ while (read($self->{file}, $buff, 4))
+ {
+ if ($buff eq 'OggS')
+ {
+ seek $self->{file}, 2, 1;
+ my $granulePos = $self->readInt;
+ return $granulePos;
+ }
+ seek $self->{file}, -5, 1;
+ }
+ return -1;
+ }
+
+ sub getOgmInfo
+ {
+ my $info = {};
+ my $self = shift;
+
+ my $buff;
+ my ($gotAudio, $gotVideo) = (0,0);
+ seek $self->{file}, 0, 0;
+ my $serial = 0;
+ my $videoSerial = -1;
+ my $fps;
+ my $iteration = 0;
+ while ($serial != -1)
+ {
+ $serial = $self->findOgmPage;
+
+ seek $self->{file}, 13, 1;
+ read $self->{file}, $buff, 8;
+ if ($buff =~ /^video/)
+ {
+ read $self->{file}, $info->{type}, 4;
+ my $size = $self->readInt;
+ my $timeUnit = $self->readInt(8);
+ my $spu = $self->readInt(8);
+ $fps = (10000000.0 * $spu) / $timeUnit;
+ my $defaultLen = $self->readInt;
+ my $bufferSize = $self->readInt;
+ my $bbp = $self->readInt;
+ $info->{width} = $self->readInt;
+ $info->{height} = $self->readInt;
+
+ $gotVideo = 1;
+ $videoSerial = $serial;
+ }
+ elsif ($buff =~ /vorbis/)
+ {
+ $info->{audioEncoding} = 'Vorbis';
+ seek $self->{file}, 3, 1;
+ my $hz = $self->readInt;
+ $info->{audioEncoding} .= " ($hz Hz)" if $hz;
+ $gotAudio = 1;
+ }
+ else
+ {
+ last if $iteration > 5;
+ }
+ last if $gotAudio && $gotVideo;
+ $iteration++;
+ }
+ if ($gotVideo)
+ {
+ my $biggestGranulePos = $self->findLastOgmPage;
+ $info->{length} = GCUtils::round(($biggestGranulePos / $fps) / 60);
+ }
+
+ return $info;
+ }
+
+ sub getInfo
+ {
+ my $self = shift;
+
+ open FILE, '<'.$self->{fileName};
+ binmode FILE;
+
+ my $info = {};
+
+ $self->{file} = \*FILE;
+ my $magic;
+ $self->{magic} = $magic;
+ read FILE,$magic,4;
+ my $numMagic = unpack("N",$magic);
+
+ if ($magic eq 'RIFF')
+ {
+ $info = $self->getAviInfo;
+ }
+ elsif ($magic eq 'OggS')
+ {
+ $info = $self->getOgmInfo;
+ }
+ elsif (($numMagic == 0x000001ba) || ($numMagic == 0x000001b3))
+ {
+ $info = $self->getMpgInfo;
+ }
+ else
+ {
+ my $magic2;
+ read FILE,$magic2,4;
+ if ($magic2 =~ /(moov|notp|wide|ftyp)/)
+ {
+ $info = $self->getMovInfo;
+ }
+ }
+
+ close FILE;
+ my $result;
+
+ $result->{time} = {displayed => $info->{length}, value => $info->{length}};
+ $result->{video} = {displayed => $info->{type}, value => $info->{type}};
+ my $currentAudio = $self->{panel}->audio;
+ if ($info->{audioEncoding})
+ {
+ $currentAudio->[0]->[1] = $info->{audioEncoding};
+ $result->{audio}->{value} = $currentAudio;
+ $result->{audio}->{displayed} = $info->{audioEncoding};
+ }
+ if ($info->{width} && $info->{height})
+ {
+ my $comment = $self->{panel}->comment;
+ $comment .= "\n" if $comment && ($comment !~ /\n$/m);
+ $result->{comment}->{displayed} =
+ $self->{model}->getDisplayedText('ExtractSize').$self->{parent}->{lang}->{Separator}.
+ $info->{width}.'*'.$info->{height};
+ $result->{comment}->{value} = $comment . $result->{comment}->{displayed};
+ }
+
+ return $result;
+ }
+
+ sub getFields
+ {
+ return ['time', 'video', 'audio', 'comment'];
+ }
+}
+
+1;