* src/emms-print-metadata.pl: New implementation to read most (if not all) tags using a single program, with the help of Audio::Scan (see http://search.cpan.org/~agrundma/Audio-Scan-0.93/lib/Audio/Scan.pm).

1 files changed, 100 insertions, 0 deletions

diff --git a/src/emms-print-metadata.pl b/src/emms-print-metadata.pl
new file mode 100755
index 0000000..075677c
--- /dev/null
+++ b/src/emms-print-metadata.pl
@@ -0,0 +1,100 @@
+#!/usr/bin/perl
+#  emms-print-metadata.pl --- Info function for libtag
+#    Copyright (C) 2012  Free Software Foundation, Inc.
+
+# Author: Lucas Bonnet <lbonnet@rincevent.net>
+
+# This file is part of EMMS.
+
+# EMMS 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 3, or (at your option)
+# any later version.
+
+# EMMS 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 EMMS; see the file COPYING.  If not, write to
+# the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+# Boston, MA 02110-1301, USA.
+
+use strict;
+use warnings;
+
+use Audio::Scan;
+use File::Basename;
+
+# enable UTF-8 output
+binmode(STDOUT, ":utf8");
+
+my $file = $ARGV[0];
+
+# Scan without reading (possibly large) artwork into memory.
+# Instead of binary artwork data, the size of the artwork will be returned instead.
+local $ENV{AUDIO_SCAN_NO_ARTWORK} = 1;
+my $data = Audio::Scan->scan($file);
+
+# determines the names of tags according to file type
+my %ext_map = ("mp3" =>
+         {'artist'    => 'TPE1',
+          'title'     => 'TIT2',
+          'album'     => 'TALB',
+          'tracknumber' => 'TRCK',
+          'composer'  => 'TCOM',
+          'performer' => 'TPE2',
+          'year'      => 'TDRC',
+          'genre'     => 'TCON',
+          'comment'   => 'COMM'},
+         "flc" =>
+         {'artist'    => 'ARTIST',
+          'title'     => 'TITLE',
+          'album'     => 'ALBUM',
+          'tracknumber' => 'TRACKNUMBER',
+          'composer'  => 'COMPOSER',
+          'performer' => 'PERFORMER',
+          'year'      => 'DATE',
+          'genre'     => 'GENRE',
+          'comment'   => 'COMMENT'},
+         "ogg" =>
+         {'artist'    => 'ARTIST',
+          'title'     => 'TITLE',
+          'album'     => 'ALBUM',
+          'tracknumber' => 'TRACKNUMBER',
+          'composer'  => 'COMPOSER',
+          'performer' => 'PERFORMER',
+          'year'      => 'DATE',
+          'genre'     => 'GENRE',
+          'comment'   => 'COMMENT'},
+        );
+
+# find out extension
+my ($filename, $directories, $extension) = fileparse($file, qr/[^.]*/);
+my $type = Audio::Scan->type_for(lc($extension));
+my $tag_map = $ext_map{$type};
+
+# print tag info
+print "info-artist=";      safe_print('artist');
+print "info-title=";       safe_print('title');
+print "info-album=";       safe_print('album');
+print "info-tracknumber="; safe_print('tracknumber');
+print "info-composer=";    safe_print('composer');
+print "info-performer=";   safe_print('performer');
+print "info-year=";        safe_print('year');
+print "info-genre=";       safe_print('genre');
+print "info-note=" ;       safe_print('comment');
+
+print "info-playing-time=",int($data->{'info'}->{'song_length_ms'} / 1000),"\n";
+
+sub safe_print {
+  my $k = shift;
+
+  if (defined $data->{'tags'}->{ $tag_map->{$k} }) {
+    print $data->{'tags'}->{ $tag_map->{$k} };
+  } else {
+    print "<no $k>";
+  }
+  print "\n";
+}