X-Git-Url: http://git.ieval.ro/?p=app-musicexpo.git;a=blobdiff_plain;f=lib%2FApp%2FMusicExpo.pm;fp=lib%2FApp%2FMusicExpo.pm;h=f2ee745352df6ba497f590da6593c9f4b9db5f4b;hp=c1433ca44c23566cf5ec4808f5c38a26930b9955;hb=f7964165707b3e45f93960236a695596fa62bcd1;hpb=17c8e5f607f576c8762858da54c8663e7d9bd7d0

diff --git a/lib/App/MusicExpo.pm b/lib/App/MusicExpo.pm
index c1433ca..f2ee745 100644
--- a/lib/App/MusicExpo.pm
+++ b/lib/App/MusicExpo.pm
@@ -5,13 +5,8 @@ use warnings;
 
 our $VERSION = '1.001_001';
 
-use Audio::FLAC::Header qw//;
 use HTML::Template::Compiled qw//;
 use Memoize qw/memoize/;
-use MP3::Info qw/get_mp3tag/;
-use Ogg::Vorbis::Header::PurePerl;
-use MP4::Info qw/get_mp4tag get_mp4info/;
-use Audio::Opusfile qw//;
 
 use DB_File qw//;
 use Encode qw/encode/;
@@ -54,7 +49,7 @@ sub flacinfo{
 
 sub mp3info{
 	my $file=$_[0];
-	my %tag = map { encode 'UTF-8', $_ } %{get_mp3tag $file};
+	my %tag = map { encode 'UTF-8', $_ } %{MP3::Info::get_mp3tag $file};
 	my @trkn = split m#/#s, $tag{TRACKNUM} // '';
 
 	freeze +{
@@ -96,8 +91,8 @@ sub mp4_format ($){ ## no critic (ProhibitSubroutinePrototypes)
 
 sub mp4info{
 	my $file=$_[0];
-	my %tag = map { ref() ? $_ : encode 'UTF-8', $_ } %{get_mp4tag $file};
-	my %info = %{get_mp4info $file};
+	my %tag = map { ref() ? $_ : encode 'UTF-8', $_ } %{MP4::Info::get_mp4tag $file};
+	my %info = %{MP4::Info::get_mp4info $file};
 
 	freeze +{
 		format => mp4_format $info{ENCODING},
@@ -132,23 +127,35 @@ sub opusinfo {
 	freeze \%data;
 }
 
-my %info = (
-	'.flac' => \&flacinfo,
-	'.mp3' => \&mp3info,
-	'.ogg' => \&vorbisinfo,
-	'.oga' => \&vorbisinfo,
-	'.mp4' => \&mp4info,
-	'.aac' => \&mp4info,
-	'.m4a' => \&mp4info,
-	'.opus' => \&opusinfo,
+my @optional_modules = (
+	[ 'Audio::FLAC::Header', \&flacinfo, '.flac' ],
+	[ 'MP3::Info', \&mp3info, '.mp3' ],
+	[ 'Ogg::Vorbis::Header::PurePerl', \&vorbisinfo, '.ogg', '.oga' ],
+	[ 'MP4::Info', \&mp4info, '.mp4', '.aac', '.m4a' ],
+	[ 'Audio::Opusfile', \&opusinfo, '.opus' ]
 );
 
+my %info;
+
+for (@optional_modules) {
+	my ($module, $coderef, @extensions_handled) = @$_;
+	if (eval "require $module") {
+		$info{$_} = $coderef for @extensions_handled
+	}
+}
+
+unless (%info) {
+	warn 'No tags-reading module detected. Install one of the following modules: ' . join ', ', map { $_->[0] } @optional_modules;
+}
+
 sub normalizer{
 	"$_[0]|".(stat $_[0])[9]
 }
 
 sub make_fragment{ join '-', map { lc =~ y/a-z0-9/_/csr } @_ }
 
+sub extensions_handled { keys %info }
+
 sub run {
 	if ($cache) {
 		tie my %cache, 'DB_File', $cache, O_RDWR|O_CREAT, 0644; ## no critic (ProhibitTie)
@@ -158,6 +165,7 @@ sub run {
 	my %files;
 	for my $file (@ARGV) {
 		my ($basename, undef, $suffix) = fileparse $file, keys %info;
+		next unless $suffix;
 		$files{$basename} //= [];
 		push @{$files{$basename}}, thaw scalar $info{$suffix}->($file);
 	}