Fix getopts setup for "P"

[abcde.git] / abcde-musicbrainz-tool

diff --git a/abcde-musicbrainz-tool b/abcde-musicbrainz-tool
old mode 100644 (file)
new mode 100755 (executable)
index 7a0f567..27efcef
--- a/abcde-musicbrainz-tool
+++ b/abcde-musicbrainz-tool
@@ -1,5 +1,5 @@
 #!/usr/bin/perl
 #!/usr/bin/perl

-# Copyright (c) 2012 Steve McIntyre <93sam@debian.org>
+# Copyright (c) 2012-2018 Steve McIntyre <93sam@debian.org>

 # This code is hereby licensed for public consumption under either the
 # GNU GPL v2 or greater, or Larry Wall's Artistic license - your choice.
 #
 # This code is hereby licensed for public consumption under either the
 # GNU GPL v2 or greater, or Larry Wall's Artistic license - your choice.
 #


@@ -8,27 +8,39 @@
 # 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
 #
 # abcde-musicbrainz-tool
 # 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
 #
 # abcde-musicbrainz-tool

-# 
+#

 # Helper script for abcde to work with the MusicBrainz WS API (v2)
 
 use strict;
 # Helper script for abcde to work with the MusicBrainz WS API (v2)
 
 use strict;

-use encoding "utf8";
+use utf8;
+use POSIX qw(ceil);
+use Digest::SHA;

 use MusicBrainz::DiscID;
 use MusicBrainz::DiscID;

-use WebService::MusicBrainz::Release;
-use WebService::MusicBrainz::Artist;
-use WebService::MusicBrainz::Response::Track;
-use WebService::MusicBrainz::Response::TrackList;
+use WebService::MusicBrainz 1.0.4;

 use Getopt::Long;
 use Getopt::Long;

+use Pod::Usage;

 
 

-my $FRAMES_PER_SEC = 75;
+my $FRAMES_PER_S = 75;

 
 

-my ($device, $command, $workdir);
+my ($device, $command, $discid, @discinfo, $workdir, $help, $man, $start);

 Getopt::Long::Configure ('no_ignore_case');
 Getopt::Long::Configure ('no_auto_abbrev');
 Getopt::Long::Configure ('no_ignore_case');
 Getopt::Long::Configure ('no_auto_abbrev');

-GetOptions ("device=s"   => \$device,
-            "command=s"  => \$command,
-            "workdir=s" => \$workdir);
+GetOptions ("device=s"       => \$device,
+            "command=s"      => \$command,
+            "discid=s"       => \$discid,
+            "discinfo=i{5,}" => \@discinfo,
+            "workdir=s"      => \$workdir,
+            "start=s"        => \$start,
+            "help|h"         => \$help,
+            "man"            => \$man) or pod2usage(-verbose => 0, -exitcode => 2);
+if (@ARGV) {
+    print STDERR "Extraneous arguments given.\n";
+    pod2usage(-verbose => 0, -exitcode => 2);
+}
+pod2usage(-verbose => 1, -exitcode => 0) if $help;
+pod2usage(-verbose => 2, -exitcode => 0) if $man;

 
 

+# defaults

 if (!defined($device)) {
     $device = "/dev/cdrom";
 }
 if (!defined($device)) {
     $device = "/dev/cdrom";
 }


@@ -38,66 +50,119 @@ if (!defined($command)) {
 if (!defined($workdir)) {
     $workdir = "/tmp";
 }
 if (!defined($workdir)) {
     $workdir = "/tmp";
 }

+if (!defined($start)) {
+    $start = "0";
+}

 
 

-my $disc = new MusicBrainz::DiscID($device);
-
-# read the disc in the default disc drive */
-if ( $disc->read() == 0 ) {
-    printf STDERR "Error: %s\n", $disc->error_msg();
-    exit(1);
+sub calc_sha1($) {
+    my $filename = shift;
+    my $s = Digest::SHA->new(1);
+    $s->addfile($filename);
+    return $s->hexdigest;

 }
 
 }
 

-if ($command =~ m/id/) {
+if ($command =~ m/^id/) {
+    my $disc = new MusicBrainz::DiscID($device);
+
+    # read the disc in the default disc drive */
+    if ( $disc->read() == 0 ) {
+        printf STDERR "Error: %s\n", $disc->error_msg();
+        exit(1);
+    }

 
     printf("%s ", $disc->id());
     printf("%d ", $disc->last_track_num() + 1 - $disc->first_track_num());
 
     printf("%s ", $disc->id());
     printf("%d ", $disc->last_track_num() + 1 - $disc->first_track_num());

-    
+

     for ( my $i = $disc->first_track_num;
           $i <= $disc->last_track_num; $i++ ) {
         printf("%d ", $disc->track_offset($i));
     }
     for ( my $i = $disc->first_track_num;
           $i <= $disc->last_track_num; $i++ ) {
         printf("%d ", $disc->track_offset($i));
     }

-    printf("%d\n", $disc->sectors() / $FRAMES_PER_SEC);
-
+    printf("%d\n", $disc->sectors() / $FRAMES_PER_S);
+    undef $disc;

 } elsif ($command =~ m/data/) {
 } elsif ($command =~ m/data/) {

-    my $ws = WebService::MusicBrainz::Release->new();
-    my $response = $ws->search({ DISCID => $disc->id()});
-    my @releases = $response->release_list();
-    my $releasenum = 0;
+    if (!defined $discid or !$discid) {
+       print STDERR "Discid undefined.\n";
+       exit(1);
+    }
+    my $ws = WebService::MusicBrainz->new();
+    my $response = $ws->search(discid => {
+       discid => $discid,
+       inc => ['artists', 'artist-credits', 'recordings']
+        });
+    my @releases = @{ $response->{'releases'} };
+    my $releasenum = $start;
+    my @sums;

 
     foreach my $release (@releases) {
 
     foreach my $release (@releases) {

-        my $a_artist = $release->artist()->name();
+        my $a_artist = "";
+        if (@{ $release->{'artist-credit'} } > 0) {
+            $a_artist = @{ $release->{'artist-credit'} }[0]->{'name'};
+        }

         my $va = 0;
         my $va = 0;

+        my $rel_year = "";

         if ($a_artist =~ /Various Artists/) {
             $va = 1;
         }
         if ($a_artist =~ /Various Artists/) {
             $va = 1;
         }

+
+        my @release_events = @{ $release->{'release-events'} };
+
+        if (@release_events > 0) {
+            $rel_year =  substr(@release_events[0]->{'date'},0,4);
+        }
+

         $releasenum++;
         open (OUT, "> $workdir/cddbread.$releasenum");
         binmode OUT, ":utf8";
         print OUT "# xmcd style database file\n";
         print OUT "#\n";
         print OUT "# Track frame offsets:\n";
         $releasenum++;
         open (OUT, "> $workdir/cddbread.$releasenum");
         binmode OUT, ":utf8";
         print OUT "# xmcd style database file\n";
         print OUT "#\n";
         print OUT "# Track frame offsets:\n";

-        for ( my $i = $disc->first_track_num;
-              $i <= $disc->last_track_num; $i++ ) {
-            print OUT "#       " . $disc->track_offset($i) . "\n";
+
+        my @offsets = @{ $response->{'offsets'}};
+        foreach my $offset (@offsets) {
+            printf OUT "#       %d\n", $offset;
+        }
+
+        # Locate the media that contains a disc with the discid we requested
+        # initially. The API may return multiple media associated with the
+        # release, including media with different discids
+        my @mediums = grep {
+            my @disks = @{ $_->{'discs'} };
+            grep { $_->{'id'} eq $discid } @disks;
+        } @{ $release->{'media'} };
+
+        if (not @mediums) {
+            # This release doesn't have a media with our requested dicsid
+            # Shouldn't happen (?), skip it
+            next;

         }
         }

+
+        # Only consider the first medium
+        my $medium = @mediums[0];
+        my @tracks = @{ $medium->{'tracks'} };
+
+        my $total_len = 0;
+        for (my $i = 0; $i < scalar(@tracks); $i++) {
+            my $track = $tracks[$i];
+            $total_len += $track->{'length'};
+        }
+

         print OUT "#\n";
         print OUT "#\n";

-        printf OUT "# Disc length: %d seconds\n", $disc->sectors() / $FRAMES_PER_SEC;
+        printf OUT "# Disc length: %d seconds\n", $total_len / 1000.0;

         print OUT "#\n";
         print OUT "# Submitted via: XXXXXX\n";
         print OUT "#\n";
         print OUT "#blues,classical,country,data,folk,jazz,newage,reggae,rock,soundtrack,misc\n";
         print OUT "#CATEGORY=none\n";
         print OUT "#\n";
         print OUT "# Submitted via: XXXXXX\n";
         print OUT "#\n";
         print OUT "#blues,classical,country,data,folk,jazz,newage,reggae,rock,soundtrack,misc\n";
         print OUT "#CATEGORY=none\n";

-        print OUT "DISCID=" . $disc->id() . "\n";
-        print OUT "DTITLE=" . $a_artist. " / " . $release->title() . "\n";
-        print OUT "DYEAR=\n";
-        print OUT "DGENRE=\n";
-           
-        my @tracks = @{$release->track_list()->tracks()};
+        print OUT "DISCID=" . $discid . "\n";
+        print OUT "DTITLE=" . $a_artist. " / " . $release->{'title'} . "\n";
+        print OUT "DYEAR=" . $rel_year . "\n";
+        print OUT "DGENRE=\n";        
+

         for (my $i = 0; $i < scalar(@tracks); $i++) {
             my $track = $tracks[$i];
         for (my $i = 0; $i < scalar(@tracks); $i++) {
             my $track = $tracks[$i];

-            my $t_name = $track->title;
-            if ($va) {
-                my $t_artist = $track->artist->name;
+            my $t_name = $track->{'title'};
+            if ($va and @{ $track->{'artist-credit'} } > 0) {
+                my $t_artist = $track->{'artist-credit'}->[0]->{'name'};

                 printf OUT "TTITLE%d=%s / %s\n", $i, $t_artist, $t_name;
             } else {
                 printf OUT "TTITLE%d=%s\n", $i, $t_name;
                 printf OUT "TTITLE%d=%s / %s\n", $i, $t_artist, $t_name;
             } else {
                 printf OUT "TTITLE%d=%s\n", $i, $t_name;


@@ -111,7 +176,140 @@ if ($command =~ m/id/) {
         print OUT "PLAYORDER=\n";
         print OUT ".\n";
         close OUT;
         print OUT "PLAYORDER=\n";
         print OUT ".\n";
         close OUT;

+
+        # save release mbid
+        open (OUT, "> $workdir/mbid.$releasenum");
+        print OUT $release->{'id'};
+        close OUT;
+
+        # save release asin
+        open (OUT, "> $workdir/asin.$releasenum");
+        print OUT $release->{'asin'};
+        close OUT;
+
+        # Check to see that this entry is unique; generate a checksum
+        # and compare to any previous checksums
+        my $checksum = calc_sha1("$workdir/cddbread.$releasenum");
+        foreach my $sum (@sums) {
+            if ($checksum eq $sum) {
+                unlink("$workdir/cddbread.$releasenum");
+                $releasenum--;
+                last;
+            }
+        }
+        push (@sums, $checksum);
+    }
+} elsif ($command =~ m/calcid/) {
+    # Calculate MusicBrainz ID from disc offsets; see
+    # https://musicbrainz.org/doc/DiscIDCalculation
+
+    if ($#discinfo < 5) {
+       print STDERR "Insufficient or missing discinfo data.\n";
+       exit(1);
+    }
+    my ($first, $last, $leadin, $leadout, @offsets) = @discinfo;
+
+    my $s = Digest::SHA->new(1);
+    $s->add(sprintf "%02X", int($first));
+    $s->add(sprintf "%02X", int($last));
+
+    my @a;
+    for (my $i = 0; $i < 100; $i++) {
+        $a[$i] = 0;

     }
     }

+    my $i = 0;
+    foreach my $o ($leadout, @offsets) {
+       $a[$i++] = int($o) + int($leadin);
+    }
+    for (my $i = 0; $i < 100; $i++) {
+       $s->add(sprintf "%08X", $a[$i]);
+    }
+
+    my $id = $s->b64digest;
+    # CPAN Digest modules do not pad their Base64 output, so we have to do it.
+    while (length($id) % 4) {
+        $id .= '=';
+    }
+
+    $id =~ tr#+#.#;
+    $id =~ tr#/#_#;
+    $id =~ tr#=#-#;
+
+    print $id;
+    if (-t STDOUT) { print "\n"; }
+} else {
+    print STDERR "Unknown command given.\n";
+    pod2usage(1);
+    exit(1);

 }
 }

+__END__
+
+=head1 NAME
+
+abcde-musicbrainz-tool - Musicbrainz query tool
+
+=head1 SYNOPSIS
+
+ abcde-musicbrainz-tool [options]
+
+ Options:
+   --command {id|data|calcid} mode of operation (default: id)
+   --device <DEV>             read from CD-ROM device DEV (default: /dev/cdrom)
+   --discid <ID>              Disc ID to query with --command data.
+   --discinfo <F> <L> <LI> <LO> <TRK1OFF> [<TRK2OFF> [...]]
+                              Disc information for --command calcid.
+   --workdir <DIR>            working directory (default: /tmp)
+   --help                     print option summary
+   --man                      full documentation
+
+=head1 OPTIONS
+
+=over 8
+
+=item B<--command> I<{id|data|calcid}>
+
+Select mode of operation:
+
+=over 8
+
+=item B<id>
+
+Read the disc-ID from the disc in the given device, and print it, the number of tracks, their start sectors, and the duration of the disc in seconds, to stdout. Format:
+
+ ID TRACKCOUNT OFFSET1 [OFFSET2 [...]] LENGTH_S
+
+=item B<data>
+
+Query MusicBrainz web service and store data into the workdir into cddbread.1, cddbread.2, ... files in the workdir.
+
+=item B<calcid>
+
+Calculate MusicBrainz ID from given B<--discinfo> data.
+
+=back
+
+=item B<--device>
+
+Specify CD-ROM drive's device name, to read ID from with B<--command id>.
+
+=item B<--discid>
+
+Supply disc ID for B<--command data>.
+
+=item B<--discinfo> I<<first track> <last track> <lead-in sector> <lead-out sector> <track1 offset> [<track2 offset> [...]]>
+
+Supply disc information for B<--command calcid>.
+
+=item B<--workdir> I<directory>
+
+The cddbread.* output files from B<--command data> go into this directory.
+
+=item B<--help>
+
+Print a brief help message and exit.
+
+=item B<--man>
+
+Display full manual and exit.

 
 

-undef $disc;
+=back