diff --git a/src/extractors/taglibextractor.cpp b/src/extractors/taglibextractor.cpp
index 6847953..6a8907b 100644
--- a/src/extractors/taglibextractor.cpp
+++ b/src/extractors/taglibextractor.cpp
@@ -1,1098 +1,1098 @@
 /*
     <one line to give the library's name and an idea of what it does.>
     Copyright (C) 2012  Vishesh Handa <me@vhanda.in>
 
     This library is free software; you can redistribute it and/or
     modify it under the terms of the GNU Lesser General Public
     License as published by the Free Software Foundation; either
     version 2.1 of the License, or (at your option) any later version.
 
     This library 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
     Lesser General Public License for more details.
 
     You should have received a copy of the GNU Lesser General Public
     License along with this library; if not, write to the Free Software
     Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
 */
 
 
 #include "taglibextractor.h"
 
 // Taglib includes
 #include <fileref.h>
 #include <tfilestream.h>
 #include <flacfile.h>
 #include <apefile.h>
 #include <asftag.h>
 #include <asfattribute.h>
 #include <apetag.h>
 #include <mpcfile.h>
 #include <id3v2tag.h>
 #include <id3v1genres.h>
 #include <mpegfile.h>
 #include <oggfile.h>
 #include <mp4file.h>
 #include <mp4tag.h>
 #include <taglib.h>
 #include <tag.h>
 #include <vorbisfile.h>
 #include <opusfile.h>
 #include <speexfile.h>
 #include <xiphcomment.h>
 #include <popularimeterframe.h>
 #include <textidentificationframe.h>
 #include <wavpackfile.h>
 
 #include <QDateTime>
 #include <QDebug>
 
 using namespace KFileMetaData;
 
 TagLibExtractor::TagLibExtractor(QObject* parent)
     : ExtractorPlugin(parent)
 {
 }
 
 const QStringList supportedMimeTypes = {
     QStringLiteral("audio/flac"),
     QStringLiteral("audio/mp4"),
     QStringLiteral("audio/mpeg"),
     QStringLiteral("audio/mpeg3"),
     QStringLiteral("audio/ogg"),
     QStringLiteral("audio/opus"),
     QStringLiteral("audio/speex"),
     QStringLiteral("audio/wav"),
     QStringLiteral("audio/x-aiff"),
     QStringLiteral("audio/x-ape"),
     QStringLiteral("audio/x-mpeg"),
     QStringLiteral("audio/x-ms-wma"),
     QStringLiteral("audio/x-musepack"),
     QStringLiteral("audio/x-opus+ogg"),
     QStringLiteral("audio/x-speex"),
     QStringLiteral("audio/x-vorbis+ogg"),
     QStringLiteral("audio/x-wavpack"),
 };
 
 QStringList TagLibExtractor::mimetypes() const
 {
     return supportedMimeTypes;
 }
 
 void TagLibExtractor::extractId3Tags(TagLib::ID3v2::Tag* Id3Tags, ExtractedData& data)
 {
     if (Id3Tags->isEmpty()) {
         return;
     }
     TagLib::ID3v2::FrameList lstID3v2;
 
     // Artist.
     lstID3v2 = Id3Tags->frameListMap()["TPE1"];
     for (const auto& frame : qAsConst(lstID3v2)) {
         if (!data.artists.isEmpty()) {
             data.artists += ", ";
         }
         data.artists += frame->toString();
     }
 
     // Album Artist.
     lstID3v2 = Id3Tags->frameListMap()["TPE2"];
     for (const auto& frame : qAsConst(lstID3v2)) {
         if (!data.albumArtists.isEmpty()) {
             data.albumArtists += ", ";
         }
         data.albumArtists += frame->toString();
     }
 
     // Composer.
     lstID3v2 = Id3Tags->frameListMap()["TCOM"];
     for (const auto& frame : qAsConst(lstID3v2)) {
         if (!data.composers.isEmpty()) {
             data.composers += ", ";
         }
         data.composers += frame->toString();
     }
 
     // Lyricist.
     lstID3v2 = Id3Tags->frameListMap()["TEXT"];
     for (const auto& frame : qAsConst(lstID3v2)) {
         if (!data.lyricists.isEmpty()) {
             data.lyricists += ", ";
         }
         data.lyricists += frame->toString();
     }
 
     // Genre.
     lstID3v2 = Id3Tags->frameListMap()["TCON"];
     for (const auto& frame : qAsConst(lstID3v2)) {
         data.genres.append(frame->toString());
     }
 
     // Disc number.
     lstID3v2 = Id3Tags->frameListMap()["TPOS"];
     for (const auto& frame : qAsConst(lstID3v2)) {
         data.discNumber = frame->toString().toInt();
     }
 
     // Performer.
     lstID3v2 = Id3Tags->frameListMap()["TMCL"];
     for (const auto& frame : qAsConst(lstID3v2)) {
         if (!data.performer.isEmpty()) {
             data.performer += ", ";
         }
         data.performer += frame->toString();
     }
 
     // Conductor.
     lstID3v2 = Id3Tags->frameListMap()["TPE3"];
     for (const auto& frame : qAsConst(lstID3v2)) {
         if (!data.conductor.isEmpty()) {
             data.conductor += ", ";
         }
         data.conductor += frame->toString();
     }
 
     // Publisher.
     lstID3v2 = Id3Tags->frameListMap()["TPUB"];
     for (const auto& frame : qAsConst(lstID3v2)) {
         if (!data.publisher.isEmpty()) {
             data.publisher += ", ";
         }
         data.publisher += frame->toString();
     }
 
     // Copyright.
     lstID3v2 = Id3Tags->frameListMap()["TCOP"];
     for (const auto& frame : qAsConst(lstID3v2)) {
         if (!data.copyright.isEmpty()) {
             data.copyright += ", ";
         }
         data.copyright += frame->toString();
     }
 
     // Language.
     lstID3v2 = Id3Tags->frameListMap()["TLAN"];
     for (const auto& frame : qAsConst(lstID3v2)) {
         if (!data.language.isEmpty()) {
             data.language += ", ";
         }
         data.language += frame->toString();
     }
 
     // Lyrics.
     lstID3v2 = Id3Tags->frameListMap()["USLT"];
     for (const auto& frame : qAsConst(lstID3v2)) {
         if (!data.lyrics.isEmpty()) {
             data.lyrics += ", ";
         }
         data.lyrics += frame->toString();
     }
 
     // Compilation.
     lstID3v2 = Id3Tags->frameListMap()["TCMP"];
     for (const auto& frame : qAsConst(lstID3v2)) {
         if (!data.compilation.isEmpty()) {
             data.compilation += ", ";
         }
         data.compilation += frame->toString();
     }
 
     // Rating.
     /* There is no standard regarding ratings. Most of the implementations match
        a 5 stars rating to a range of 0-255 for MP3.
        Match it to baloo rating with a range of 0 - 10 */
     lstID3v2 = Id3Tags->frameListMap()["POPM"];
     for (const auto& frame : qAsConst(lstID3v2)) {
         TagLib::ID3v2::PopularimeterFrame *ratingFrame = static_cast<TagLib::ID3v2::PopularimeterFrame *>(frame);
         int rating = ratingFrame->rating();
         if (rating == 0) {
             data.rating = 0;
         } else if (rating == 1) {
             TagLib::String ratingProvider = ratingFrame->email();
             if (ratingProvider == "no@email" || ratingProvider == "org.kde.kfilemetadata") {
                 data.rating = 1;
             } else {
                 data.rating = 2;
             }
         } else if (rating >= 1 && rating <= 255) {
             data.rating = static_cast<int>(0.032 * rating + 2);
         }
     }
 
     // User Text Frame.
     lstID3v2 = Id3Tags->frameListMap()["TXXX"];
     if (!lstID3v2.isEmpty()) {
         // look for ReplayGain tags
         typedef TagLib::ID3v2::UserTextIdentificationFrame IdFrame;
 
         auto trackGainFrame = IdFrame::find(Id3Tags, "replaygain_track_gain");
         if (trackGainFrame && !trackGainFrame->fieldList().isEmpty()) {
             data.replayGainTrackGain = TStringToQString(trackGainFrame->fieldList().back());
         }
 
         auto trackPeakFrame = IdFrame::find(Id3Tags, "replaygain_track_peak");
         if (trackPeakFrame && !trackPeakFrame->fieldList().isEmpty()) {
             data.replayGainTrackPeak = TStringToQString(trackPeakFrame->fieldList().back());
         }
 
         auto albumGainFrame = IdFrame::find(Id3Tags, "replaygain_album_gain");
         if (albumGainFrame && !albumGainFrame->fieldList().isEmpty()) {
             data.replayGainAlbumGain = TStringToQString(albumGainFrame->fieldList().back());
         }
 
         auto albumPeakFrame = IdFrame::find(Id3Tags, "replaygain_album_peak");
         if (albumPeakFrame && !albumPeakFrame->fieldList().isEmpty()) {
             data.replayGainAlbumPeak = TStringToQString(albumPeakFrame->fieldList().back());
         }
     }
     //TODO handle TIPL tag
 }
 
 void TagLibExtractor::extractMp4Tags(TagLib::MP4::Tag* mp4Tags, ExtractedData& data)
 {
     if (mp4Tags->isEmpty()) {
         return;
     }
     TagLib::MP4::ItemListMap allTags = mp4Tags->itemListMap();
 
     TagLib::MP4::ItemListMap::Iterator itAlbumArtists = allTags.find("aART");
     if (itAlbumArtists != allTags.end()) {
         data.albumArtists = itAlbumArtists->second.toStringList().toString(", ");
     }
 
     TagLib::MP4::ItemListMap::Iterator itDiscNumber = allTags.find("disk");
     if (itDiscNumber != allTags.end()) {
         data.discNumber = itDiscNumber->second.toInt();
     }
 
     TagLib::MP4::ItemListMap::Iterator itCompilation = allTags.find("cpil");
     if (itCompilation != allTags.end()) {
         data.compilation = itCompilation->second.toStringList().toString(", ");
     }
 
     TagLib::MP4::ItemListMap::Iterator itCopyright = allTags.find("cprt");
     if (itCopyright != allTags.end()) {
         data.copyright = itCopyright->second.toStringList().toString(", ");
     }
 
     TagLib::String genreAtomName(TagLib::String("©gen", TagLib::String::UTF8).to8Bit(), TagLib::String::Latin1);
     TagLib::MP4::ItemListMap::Iterator itGenres = allTags.find(genreAtomName);
     if (itGenres != allTags.end()) {
         data.genres = itGenres->second.toStringList().toString(", ");
     }
 
     TagLib::String composerAtomName(TagLib::String("©wrt", TagLib::String::UTF8).to8Bit(), TagLib::String::Latin1);
     TagLib::MP4::ItemListMap::Iterator itComposers = allTags.find(composerAtomName);
     if (itComposers != allTags.end()) {
         data.composers = itComposers->second.toStringList().toString(", ");
     }
 
     /* There is no standard regarding ratings. Mimic MediaMonkey's behavior
        with a range of 0 to 100 (stored in steps of 10) and make it compatible
        with baloo rating with a range from 0 to 10 */
     TagLib::MP4::ItemListMap::Iterator itRating = allTags.find("rate");
     if (itRating != allTags.end()) {
         data.rating = itRating->second.toStringList().toString().toInt() / 10;
     }
 
     TagLib::String lyricsAtomName(TagLib::String("©lyr", TagLib::String::UTF8).to8Bit(), TagLib::String::Latin1);
     TagLib::MP4::ItemListMap::Iterator itLyrics = allTags.find(lyricsAtomName);
     if (itLyrics != allTags.end()) {
         data.lyrics = itLyrics->second.toStringList().toString(", ");
     }
 }
 
 void TagLibExtractor::extractApeTags(TagLib::APE::Tag* apeTags, ExtractedData& data)
 {
     if (apeTags->isEmpty()) {
         return;
     }
-    TagLib::APE::ItemListMap lstMusepack = apeTags->itemListMap();
-    TagLib::APE::ItemListMap::ConstIterator itMPC;
+    TagLib::APE::ItemListMap lstApe = apeTags->itemListMap();
+    TagLib::APE::ItemListMap::ConstIterator itApe;
 
-    itMPC = lstMusepack.find("ARTIST");
-    if (itMPC != lstMusepack.end()) {
+    itApe = lstApe.find("ARTIST");
+    if (itApe != lstApe.end()) {
         if (!data.artists.isEmpty()) {
             data.artists += ", ";
         }
-        data.artists += (*itMPC).second.toString();
+        data.artists += (*itApe).second.toString();
     }
 
-    itMPC = lstMusepack.find("ALBUMARTIST");
-    if (itMPC == lstMusepack.end()) {
-        itMPC = lstMusepack.find("ALBUM ARTIST");
+    itApe = lstApe.find("ALBUMARTIST");
+    if (itApe == lstApe.end()) {
+        itApe = lstApe.find("ALBUM ARTIST");
     }
-    if (itMPC != lstMusepack.end()) {
+    if (itApe != lstApe.end()) {
         if(!data.albumArtists.isEmpty()) {
             data.albumArtists += ", ";
         }
-        data.albumArtists += (*itMPC).second.toString();
+        data.albumArtists += (*itApe).second.toString();
     }
 
-    itMPC = lstMusepack.find("COMPOSER");
-    if (itMPC != lstMusepack.end()) {
+    itApe = lstApe.find("COMPOSER");
+    if (itApe != lstApe.end()) {
         if (!data.composers.isEmpty()) {
             data.composers += ", ";
         }
-        data.composers += (*itMPC).second.toString();
+        data.composers += (*itApe).second.toString();
     }
 
-    itMPC = lstMusepack.find("LYRICIST");
-    if (itMPC != lstMusepack.end()) {
+    itApe = lstApe.find("LYRICIST");
+    if (itApe != lstApe.end()) {
         if (!data.lyricists.isEmpty()) {
             data.lyricists += ", ";
         }
-        data.lyricists += (*itMPC).second.toString();
+        data.lyricists += (*itApe).second.toString();
     }
 
-    itMPC = lstMusepack.find("GENRE");
-    if (itMPC != lstMusepack.end()) {
-        data.genres.append((*itMPC).second.toString());
+    itApe = lstApe.find("GENRE");
+    if (itApe != lstApe.end()) {
+        data.genres.append((*itApe).second.toString());
     }
 
-    itMPC = lstMusepack.find("LOCATION");
-    if (itMPC != lstMusepack.end()) {
+    itApe = lstApe.find("LOCATION");
+    if (itApe != lstApe.end()) {
         if (!data.location.isEmpty()) {
             data.location += ", ";
         }
-        data.location += (*itMPC).second.toString();
+        data.location += (*itApe).second.toString();
     }
 
-    itMPC = lstMusepack.find("ARRANGER");
-    if (itMPC != lstMusepack.end()) {
+    itApe = lstApe.find("ARRANGER");
+    if (itApe != lstApe.end()) {
         if (!data.arranger.isEmpty()) {
             data.arranger += ", ";
         }
-        data.arranger += (*itMPC).second.toString();
+        data.arranger += (*itApe).second.toString();
     }
 
-    itMPC = lstMusepack.find("PERFORMER");
-    if (itMPC != lstMusepack.end()) {
+    itApe = lstApe.find("PERFORMER");
+    if (itApe != lstApe.end()) {
         if (!data.performer.isEmpty()) {
             data.performer += ", ";
         }
-        data.performer += (*itMPC).second.toString();
+        data.performer += (*itApe).second.toString();
     }
 
-    itMPC = lstMusepack.find("CONDUCTOR");
-    if (itMPC != lstMusepack.end()) {
+    itApe = lstApe.find("CONDUCTOR");
+    if (itApe != lstApe.end()) {
         if (!data.conductor.isEmpty()) {
             data.conductor += ", ";
         }
-        data.conductor += (*itMPC).second.toString();
+        data.conductor += (*itApe).second.toString();
     }
 
-    itMPC = lstMusepack.find("ENSEMBLE");
-    if (itMPC != lstMusepack.end()) {
+    itApe = lstApe.find("ENSEMBLE");
+    if (itApe != lstApe.end()) {
         if (!data.ensemble.isEmpty()) {
             data.ensemble += ", ";
         }
-        data.ensemble += (*itMPC).second.toString();
+        data.ensemble += (*itApe).second.toString();
     }
 
-    itMPC = lstMusepack.find("PUBLISHER");
-    if (itMPC != lstMusepack.end()) {
+    itApe = lstApe.find("PUBLISHER");
+    if (itApe != lstApe.end()) {
         if (!data.publisher.isEmpty()) {
             data.publisher += ", ";
         }
-        data.publisher += (*itMPC).second.toString();
+        data.publisher += (*itApe).second.toString();
     }
 
-    itMPC = lstMusepack.find("COPYRIGHT");
-    if (itMPC != lstMusepack.end()) {
+    itApe = lstApe.find("COPYRIGHT");
+    if (itApe != lstApe.end()) {
         if (!data.copyright.isEmpty()) {
             data.copyright += ", ";
         }
-        data.copyright += (*itMPC).second.toString();
+        data.copyright += (*itApe).second.toString();
     }
 
-    itMPC = lstMusepack.find("LABEL");
-    if (itMPC != lstMusepack.end()) {
+    itApe = lstApe.find("LABEL");
+    if (itApe != lstApe.end()) {
         if (!data.label.isEmpty()) {
             data.label += ", ";
         }
-        data.label += (*itMPC).second.toString();
+        data.label += (*itApe).second.toString();
     }
 
-    itMPC = lstMusepack.find("AUTHOR");
-    if (itMPC != lstMusepack.end()) {
+    itApe = lstApe.find("AUTHOR");
+    if (itApe != lstApe.end()) {
         if (!data.author.isEmpty()) {
             data.author += ", ";
         }
-        data.author += (*itMPC).second.toString();
+        data.author += (*itApe).second.toString();
     }
 
-    itMPC = lstMusepack.find("LICENSE");
-    if (itMPC != lstMusepack.end()) {
+    itApe = lstApe.find("LICENSE");
+    if (itApe != lstApe.end()) {
         if (!data.license.isEmpty()) {
             data.license += ", ";
         }
-        data.license += (*itMPC).second.toString();
+        data.license += (*itApe).second.toString();
     }
 
-    itMPC = lstMusepack.find("LYRICS");
-    if (itMPC != lstMusepack.end()) {
+    itApe = lstApe.find("LYRICS");
+    if (itApe != lstApe.end()) {
         if (!data.lyrics.isEmpty()) {
             data.lyrics += ", ";
         }
-        data.lyrics += (*itMPC).second.toString();
+        data.lyrics += (*itApe).second.toString();
     }
 
-    itMPC = lstMusepack.find("COMPILATION");
-    if (itMPC != lstMusepack.end()) {
+    itApe = lstApe.find("COMPILATION");
+    if (itApe != lstApe.end()) {
         if (!data.compilation.isEmpty()) {
             data.compilation += ", ";
         }
-        data.compilation += (*itMPC).second.toString();
+        data.compilation += (*itApe).second.toString();
     }
 
-    itMPC = lstMusepack.find("LANGUAGE");
-    if (itMPC != lstMusepack.end()) {
+    itApe = lstApe.find("LANGUAGE");
+    if (itApe != lstApe.end()) {
         if (!data.language.isEmpty()) {
             data.language += ", ";
         }
-        data.language += (*itMPC).second.toString();
+        data.language += (*itApe).second.toString();
     }
 
-    itMPC = lstMusepack.find("DISCNUMBER");
-    if (itMPC != lstMusepack.end()) {
-        data.discNumber = (*itMPC).second.toString().toInt();
+    itApe = lstApe.find("DISCNUMBER");
+    if (itApe != lstApe.end()) {
+        data.discNumber = (*itApe).second.toString().toInt();
     }
 
-    itMPC = lstMusepack.find("OPUS");
-    if (itMPC != lstMusepack.end()) {
-        data.opus = (*itMPC).second.toString().toInt();
+    itApe = lstApe.find("OPUS");
+    if (itApe != lstApe.end()) {
+        data.opus = (*itApe).second.toString().toInt();
     }
 
-    itMPC = lstMusepack.find("RATING");
-    if (itMPC != lstMusepack.end()) {
+    itApe = lstApe.find("RATING");
+    if (itApe != lstApe.end()) {
         /* There is no standard regarding ratings. There is one implementation
            most seem to follow with a range of 0 to 100 (stored in steps of 10).
            Make it compatible with baloo rating with a range from 0 to 10 */
-        data.rating = (*itMPC).second.toString().toInt() / 10;
+        data.rating = (*itApe).second.toString().toInt() / 10;
     }
 
-    itMPC = lstMusepack.find("REPLAYGAIN_TRACK_GAIN");
-    if (itMPC != lstMusepack.end()) {
-        data.replayGainTrackGain = TStringToQString((*itMPC).second.toString());
+    itApe = lstApe.find("REPLAYGAIN_TRACK_GAIN");
+    if (itApe != lstApe.end()) {
+        data.replayGainTrackGain = TStringToQString((*itApe).second.toString());
     }
 
-    itMPC = lstMusepack.find("REPLAYGAIN_TRACK_PEAK");
-    if (itMPC != lstMusepack.end()) {
-        data.replayGainTrackPeak = TStringToQString((*itMPC).second.toString());
+    itApe = lstApe.find("REPLAYGAIN_TRACK_PEAK");
+    if (itApe != lstApe.end()) {
+        data.replayGainTrackPeak = TStringToQString((*itApe).second.toString());
     }
 
-    itMPC = lstMusepack.find("REPLAYGAIN_ALBUM_GAIN");
-    if (itMPC != lstMusepack.end()) {
-        data.replayGainAlbumGain = TStringToQString((*itMPC).second.toString());
+    itApe = lstApe.find("REPLAYGAIN_ALBUM_GAIN");
+    if (itApe != lstApe.end()) {
+        data.replayGainAlbumGain = TStringToQString((*itApe).second.toString());
     }
 
-    itMPC = lstMusepack.find("REPLAYGAIN_ALBUM_PEAK");
-    if (itMPC != lstMusepack.end()) {
-        data.replayGainAlbumPeak = TStringToQString((*itMPC).second.toString());
+    itApe = lstApe.find("REPLAYGAIN_ALBUM_PEAK");
+    if (itApe != lstApe.end()) {
+        data.replayGainAlbumPeak = TStringToQString((*itApe).second.toString());
     }
 }
 
 void TagLibExtractor::extractVorbisTags(TagLib::Ogg::XiphComment* vorbisTags, ExtractedData& data)
 {
     if (vorbisTags->isEmpty()) {
         return;
     }
     TagLib::Ogg::FieldListMap lstOgg = vorbisTags->fieldListMap();
     TagLib::Ogg::FieldListMap::ConstIterator itOgg;
 
     itOgg = lstOgg.find("ARTIST");
     if (itOgg != lstOgg.end()) {
         if (!data.artists.isEmpty()) {
             data.artists += ", ";
         }
         data.artists += (*itOgg).second.toString(", ");
     }
 
     itOgg = lstOgg.find("ALBUMARTIST");
     if (itOgg == lstOgg.end())  {
         itOgg = lstOgg.find("ALBUM ARTIST");
     }
     if (itOgg != lstOgg.end()) {
         if (!data.albumArtists.isEmpty()) {
             data.albumArtists += ", ";
         }
         data.albumArtists += (*itOgg).second.toString(", ");
     }
 
     itOgg = lstOgg.find("COMPOSER");
     if (itOgg != lstOgg.end()) {
         if (!data.composers.isEmpty()) {
             data.composers += ", ";
         }
         data.composers += (*itOgg).second.toString(", ");
     }
 
     itOgg = lstOgg.find("LYRICIST");
     if (itOgg != lstOgg.end()) {
         if (!data.lyricists.isEmpty()) {
             data.lyricists += ", ";
         }
         data.lyricists += (*itOgg).second.toString(", ");
     }
 
     itOgg = lstOgg.find("LOCATION");
     if (itOgg != lstOgg.end()) {
         if (!data.location.isEmpty()) {
             data.location += ", ";
         }
         data.location += (*itOgg).second.toString(", ");
     }
 
     itOgg = lstOgg.find("ARRANGER");
     if (itOgg != lstOgg.end()) {
         if (!data.arranger.isEmpty()) {
             data.arranger += ", ";
         }
         data.arranger += (*itOgg).second.toString(", ");
     }
 
     itOgg = lstOgg.find("PERFORMER");
     if (itOgg != lstOgg.end()) {
         if (!data.performer.isEmpty()) {
             data.performer += ", ";
         }
         data.performer += (*itOgg).second.toString(", ");
     }
 
     itOgg = lstOgg.find("CONDUCTOR");
     if (itOgg != lstOgg.end()) {
         if (!data.conductor.isEmpty()) {
             data.conductor += ", ";
         }
         data.conductor += (*itOgg).second.toString(", ");
     }
 
     itOgg = lstOgg.find("ENSEMBLE");
     if (itOgg != lstOgg.end()) {
         if (!data.ensemble.isEmpty()) {
             data.ensemble += ", ";
         }
         data.ensemble += (*itOgg).second.toString(", ");
     }
 
     itOgg = lstOgg.find("PUBLISHER");
     if (itOgg != lstOgg.end()) {
         if (!data.publisher.isEmpty()) {
             data.publisher += ", ";
         }
         data.publisher += (*itOgg).second.toString(", ");
     }
 
     itOgg = lstOgg.find("COPYRIGHT");
     if (itOgg != lstOgg.end()) {
         if (!data.copyright.isEmpty()) {
             data.copyright += ", ";
         }
         data.copyright += (*itOgg).second.toString(", ");
     }
 
     itOgg = lstOgg.find("LABEL");
     if (itOgg != lstOgg.end()) {
         if (!data.label.isEmpty()) {
             data.label += ", ";
         }
         data.label += (*itOgg).second.toString(", ");
     }
 
     itOgg = lstOgg.find("AUTHOR");
     if (itOgg != lstOgg.end()) {
         if (!data.author.isEmpty()) {
             data.author += ", ";
         }
         data.author += (*itOgg).second.toString(", ");
     }
 
     itOgg = lstOgg.find("LICENSE");
     if (itOgg != lstOgg.end()) {
         if (!data.license.isEmpty()) {
             data.license += ", ";
         }
         data.license += (*itOgg).second.toString(", ");
     }
 
     itOgg = lstOgg.find("LYRICS");
     if (itOgg != lstOgg.end()) {
         if (!data.lyrics.isEmpty()) {
             data.lyrics += ", ";
         }
         data.lyrics += (*itOgg).second.toString(", ");
     }
 
     itOgg = lstOgg.find("COMPILATION");
     if (itOgg != lstOgg.end()) {
         if (!data.compilation.isEmpty()) {
             data.compilation += ", ";
         }
         data.compilation += (*itOgg).second.toString(", ");
     }
 
     itOgg = lstOgg.find("LANGUAGE");
     if (itOgg != lstOgg.end()) {
         if (!data.language.isEmpty()) {
             data.language += ", ";
         }
         data.language += (*itOgg).second.toString(", ");
     }
 
     itOgg = lstOgg.find("GENRE");
     if (itOgg != lstOgg.end()) {
         data.genres.append((*itOgg).second);
     }
 
     itOgg = lstOgg.find("DISCNUMBER");
     if (itOgg != lstOgg.end()) {
         data.discNumber = (*itOgg).second.toString("").toInt();
     }
 
     itOgg = lstOgg.find("OPUS");
     if (itOgg != lstOgg.end()) {
         data.opus = (*itOgg).second.toString("").toInt();
     }
 
     itOgg = lstOgg.find("RATING");
     if (itOgg != lstOgg.end()) {
         //there is no standard regarding ratings. There is one implementation
         //most seem to follow with a range of 0 to 100 (stored in steps of 10).
         //make it compatible with baloo rating with a range from 0 to 10
         data.rating = (*itOgg).second.toString("").toInt() / 10;
     }
 
     itOgg = lstOgg.find("REPLAYGAIN_TRACK_GAIN");
     if (itOgg != lstOgg.end()) {
         data.replayGainTrackGain = TStringToQString((*itOgg).second.toString(""));
     }
 
     itOgg = lstOgg.find("REPLAYGAIN_TRACK_PEAK");
     if (itOgg != lstOgg.end()) {
         data.replayGainTrackPeak = TStringToQString((*itOgg).second.toString(""));
     }
 
     itOgg = lstOgg.find("REPLAYGAIN_ALBUM_GAIN");
     if (itOgg != lstOgg.end()) {
         data.replayGainAlbumGain = TStringToQString((*itOgg).second.toString(""));
     }
 
     itOgg = lstOgg.find("REPLAYGAIN_ALBUM_PEAK");
     if (itOgg != lstOgg.end()) {
         data.replayGainAlbumPeak = TStringToQString((*itOgg).second.toString(""));
     }
 }
 
 void TagLibExtractor::extractAsfTags(TagLib::ASF::Tag* asfTags, ExtractedData& data)
 {
     if (asfTags->isEmpty()) {
         return;
     }
 
     if (!asfTags->copyright().isEmpty()) {
         data.copyright = asfTags->copyright();
     }
 
     TagLib::ASF::AttributeList lstASF = asfTags->attribute("WM/SharedUserRating");
     if (!lstASF.isEmpty()) {
         int rating = lstASF.front().toString().toInt();
         //map the rating values of WMP to Baloo rating
         //0->0, 1->2, 25->4, 50->6, 75->8, 99->10
         if (rating == 0) {
             data.rating = 0;
         } else if (rating == 1) {
             data.rating = 2;
         } else {
             data.rating = static_cast<uint>(0.09 * rating + 2);
         }
     }
 
     lstASF = asfTags->attribute("WM/PartOfSet");
     if (!lstASF.isEmpty()) {
         data.discNumber = lstASF.front().toString().toInt();
     }
 
     lstASF = asfTags->attribute("WM/AlbumArtist");
     for (const auto& attribute : qAsConst(lstASF)) {
         if (!data.albumArtists.isEmpty()) {
             data.albumArtists += ", ";
         }
         data.albumArtists += attribute.toString();
     }
 
     lstASF = asfTags->attribute("WM/Composer");
     for (const auto& attribute : qAsConst(lstASF)) {
         if (!data.composers.isEmpty()) {
             data.composers += ", ";
         }
         data.composers += attribute.toString();
     }
 
     lstASF = asfTags->attribute("WM/Conductor");
     for (const auto& attribute : qAsConst(lstASF)) {
         if (!data.conductor.isEmpty()) {
             data.conductor += ", ";
         }
         data.conductor += attribute.toString();
     }
 
     lstASF = asfTags->attribute("WM/Writer");
     for (const auto& attribute : qAsConst(lstASF)) {
         if (!data.lyricists.isEmpty()) {
             data.lyricists += ", ";
         }
         data.lyricists += attribute.toString();
     }
 
     lstASF = asfTags->attribute("WM/Publisher");
     for (const auto& attribute : qAsConst(lstASF)) {
         if (!data.publisher.isEmpty()) {
             data.publisher += ", ";
         }
         data.publisher += attribute.toString();
     }
 
     lstASF = asfTags->attribute("Author");
     for (const auto& attribute : qAsConst(lstASF)) {
         if (!data.author.isEmpty()) {
             data.author += ", ";
         }
         data.author += attribute.toString();
     }
 }
 
 void TagLibExtractor::extract(ExtractionResult* result)
 {
     const QString fileUrl = result->inputUrl();
     const QString mimeType = result->inputMimetype();
 
     // Open the file readonly. Important if we're sandboxed.
     TagLib::FileStream stream(fileUrl.toUtf8().constData(), true);
     if (!stream.isOpen()) {
         qWarning() << "Unable to open file readonly: " << fileUrl;
         return;
     }
 
     TagLib::FileRef file(&stream, true);
     if (file.isNull()) {
         qWarning() << "Unable to open file: " << fileUrl;
         return;
     }
 
     TagLib::Tag* tags = file.tag();
     result->addType(Type::Audio);
 
     ExtractedData data;
 
     if ((mimeType == QLatin1String("audio/mpeg")) || (mimeType == QLatin1String("audio/mpeg3"))
             || (mimeType == QLatin1String("audio/x-mpeg"))) {
         TagLib::MPEG::File mpegFile(&stream, TagLib::ID3v2::FrameFactory::instance(), true);
         if (mpegFile.hasID3v2Tag()) {
             extractId3Tags(mpegFile.ID3v2Tag(), data);
         }
     } else if ((mimeType == QLatin1String("audio/x-aiff")) || (mimeType == QLatin1String("audio/wav"))) {
         /* For some reason, TagLib::RIFF::AIFF::File and TagLib::RIFF::WAV::File tag() return
          * only an invalid pointer. Use the dynamic_cast instead. */
         TagLib::ID3v2::Tag* ID3v2Tag = dynamic_cast<TagLib::ID3v2::Tag*>(tags);
         if (ID3v2Tag) {
             extractId3Tags(ID3v2Tag, data);
         }
     } else if (mimeType == QLatin1String("audio/mp4")) {
         TagLib::MP4::File mp4File(&stream, true);
         if (mp4File.hasMP4Tag()) {
             extractMp4Tags(mp4File.tag(), data);
         }
     } else if (mimeType == QLatin1String("audio/x-musepack")) {
         TagLib::MPC::File mpcFile(&stream, true);
         if (mpcFile.hasAPETag()) {
             extractApeTags(mpcFile.APETag(), data);
         }
     } else if (mimeType == QLatin1String("audio/x-ape")) {
         TagLib::APE::File apeFile(&stream, true);
         if (apeFile.hasAPETag()) {
             extractApeTags(apeFile.APETag(), data);
         }
     } else if (mimeType == QLatin1String("audio/x-wavpack")) {
         TagLib::WavPack::File wavpackFile(&stream, true);
         if (wavpackFile.hasAPETag()) {
             extractApeTags(wavpackFile.APETag(), data);
         }
     } else if (mimeType == QLatin1String("audio/flac")) {
         TagLib::FLAC::File flacFile(&stream, TagLib::ID3v2::FrameFactory::instance(), true);
         if (flacFile.hasXiphComment()) {
             extractVorbisTags(flacFile.xiphComment(), data);
         }
     } else if (mimeType == QLatin1String("audio/ogg") || mimeType == QLatin1String("audio/x-vorbis+ogg")) {
         TagLib::Ogg::Vorbis::File oggFile(&stream, true);
         if (oggFile.tag()) {
             extractVorbisTags(oggFile.tag(), data);
         }
     } else if (mimeType == QLatin1String("audio/opus") || mimeType == QLatin1String("audio/x-opus+ogg")) {
         TagLib::Ogg::Opus::File opusFile(&stream, true);
         if (opusFile.tag()) {
             extractVorbisTags(opusFile.tag(), data);
         }
     } else if (mimeType == QLatin1String("audio/speex") || mimeType == QLatin1String("audio/x-speex")) {
         TagLib::Ogg::Speex::File speexFile(&stream, true);
         if (speexFile.tag()) {
             extractVorbisTags(speexFile.tag(), data);
         }
     } else if (mimeType == QLatin1String("audio/x-ms-wma")) {
         /* For some reason, TagLib::ASF::File tag() returns only an invalid pointer.
          * Use the dynamic_cast instead. */
         TagLib::ASF::Tag* asfTags = dynamic_cast<TagLib::ASF::Tag*>(tags);
         if (asfTags) {
             extractAsfTags(asfTags, data);
         }
     }
 
     if (!tags->isEmpty()) {
         QString title = TStringToQString(tags->title());
         if (!title.isEmpty()) {
             result->add(Property::Title, title);
         }
 
         QString comment = TStringToQString(tags->comment());
         if (!comment.isEmpty()) {
             result->add(Property::Comment, comment);
         }
 
         if (data.genres.isEmpty()) {
             data.genres.append(tags->genre());
         }
 
         for (uint i = 0; i < data.genres.size(); i++) {
             QString genre = TStringToQString(data.genres[i]).trimmed();
             if (!genre.isEmpty()) {
                 // Convert from int
                 bool ok = false;
                 int genreNum = genre.toInt(&ok);
                 if (ok) {
                     genre = TStringToQString(TagLib::ID3v1::genre(genreNum));
                 }
                 result->add(Property::Genre, genre);
             }
         }
 
         const auto artistString = data.artists.isEmpty()
                 ? TStringToQString(tags->artist())
                 : TStringToQString(data.artists).trimmed();
         const auto artists = contactsFromString(artistString);
         for (auto& artist : artists) {
             result->add(Property::Artist, artist);
         }
 
         const auto  composersString = TStringToQString(data.composers).trimmed();
         const auto composers = contactsFromString(composersString);
         for (auto& comp : composers) {
             result->add(Property::Composer, comp);
         }
 
         const auto lyricistsString = TStringToQString(data.lyricists).trimmed();
         const auto lyricists = contactsFromString(lyricistsString);
         for (auto& lyr : lyricists) {
             result->add(Property::Lyricist, lyr);
         }
 
         const auto album = TStringToQString(tags->album());
         if (!album.isEmpty()) {
             result->add(Property::Album, album);
 
             const auto albumArtistsString = TStringToQString(data.albumArtists).trimmed();
             const auto albumArtists = contactsFromString(albumArtistsString);
             for (auto& res : albumArtists) {
                 result->add(Property::AlbumArtist, res);
             }
         }
 
         if (tags->track()) {
             result->add(Property::TrackNumber, tags->track());
         }
 
         if (tags->year()) {
             result->add(Property::ReleaseYear, tags->year());
         }
 
         QString locationsString = TStringToQString(data.location).trimmed();
         QStringList locations = contactsFromString(locationsString);
         foreach(const QString& loc, locations) {
             result->add(Property::Location, loc);
         }
 
         QString performersString = TStringToQString(data.performer).trimmed();
         QStringList performers = contactsFromString(performersString);
         foreach(const QString& per, performers) {
             result->add(Property::Performer, per);
         }
 
         QString ensembleString = TStringToQString(data.ensemble).trimmed();
         QStringList ensembles = contactsFromString(ensembleString);
         foreach(const QString& ens, ensembles) {
             result->add(Property::Ensemble, ens);
         }
 
         QString arrangerString = TStringToQString(data.arranger).trimmed();
         QStringList arrangers = contactsFromString(arrangerString);
         foreach(const QString& arr, arrangers) {
             result->add(Property::Arranger, arr);
         }
 
         QString conductorString = TStringToQString(data.conductor).trimmed();
         QStringList conductors = contactsFromString(conductorString);
         foreach(const QString& arr, conductors) {
             result->add(Property::Conductor, arr);
         }
 
         QString publisherString = TStringToQString(data.publisher).trimmed();
         QStringList publishers = contactsFromString(publisherString);
         foreach(const QString& arr, publishers) {
             result->add(Property::Publisher, arr);
         }
 
         QString copyrightString = TStringToQString(data.copyright).trimmed();
         QStringList copyrights = contactsFromString(copyrightString);
         foreach(const QString& arr, copyrights) {
             result->add(Property::Copyright, arr);
         }
 
         QString labelString = TStringToQString(data.label).trimmed();
         QStringList labels = contactsFromString(labelString);
         foreach(const QString& arr, labels) {
             result->add(Property::Label, arr);
         }
 
         QString authorString = TStringToQString(data.author).trimmed();
         QStringList authors = contactsFromString(authorString);
         foreach(const QString& arr, authors) {
             result->add(Property::Author, arr);
         }
 
         QString languageString = TStringToQString(data.language).trimmed();
         QStringList languages = contactsFromString(languageString);
         foreach(const QString& arr, languages) {
             result->add(Property::Language, arr);
         }
 
         QString licenseString = TStringToQString(data.license).trimmed();
         QStringList licenses = contactsFromString(licenseString);
         foreach(const QString& arr, licenses) {
             result->add(Property::License, arr);
         }
 
         QString compilationString = TStringToQString(data.compilation).trimmed();
         QStringList compilations = contactsFromString(compilationString);
         foreach(const QString& arr, compilations) {
             result->add(Property::Compilation, arr);
         }
 
         QString lyricsString = TStringToQString(data.lyrics).trimmed();
         if (!lyricsString.isEmpty()) {
             result->add(Property::Lyrics, lyricsString);
         }
 
         if (data.opus.isValid()) {
             result->add(Property::Opus, data.opus);
         }
 
         if (data.discNumber.isValid()) {
             result->add(Property::DiscNumber, data.discNumber);
         }
 
         if (data.rating.isValid()) {
             result->add(Property::Rating, data.rating);
         }
 
         if (!data.replayGainAlbumGain.isEmpty()) {
             /* remove " dB" suffix */
             if (data.replayGainAlbumGain.endsWith(QStringLiteral(" dB"), Qt::CaseInsensitive))
             {
                 data.replayGainAlbumGain.chop(3);
             }
             bool success = false;
             double replayGainAlbumGain = data.replayGainAlbumGain.toDouble(&success);
             if (success) {
                 result->add(Property::ReplayGainAlbumGain, replayGainAlbumGain);
             }
         }
 
         if (!data.replayGainAlbumPeak.isEmpty()) {
             bool success = false;
             double replayGainAlbumPeak = data.replayGainAlbumPeak.toDouble(&success);
             if (success) {
                 result->add(Property::ReplayGainAlbumPeak, replayGainAlbumPeak);
             }
         }
 
         if (!data.replayGainTrackGain.isEmpty()) {
             /* remove " dB" suffix */
             if (data.replayGainTrackGain.endsWith(QStringLiteral(" dB"), Qt::CaseInsensitive))
             {
                 data.replayGainTrackGain.chop(3);
             }
             bool success = false;
             double replayGainTrackGain = data.replayGainTrackGain.toDouble(&success);
             if (success) {
                 result->add(Property::ReplayGainTrackGain, replayGainTrackGain);
             }
         }
 
         if (!data.replayGainTrackPeak.isEmpty()) {
             bool success = false;
             double replayGainTrackPeak = data.replayGainTrackPeak.toDouble(&success);
             if (success) {
                 result->add(Property::ReplayGainTrackPeak, replayGainTrackPeak);
             }
         }
     }
 
     TagLib::AudioProperties* audioProp = file.audioProperties();
     if (audioProp) {
         if (audioProp->length()) {
             // What about the xml duration?
             result->add(Property::Duration, audioProp->length());
         }
 
         if (audioProp->bitrate()) {
             result->add(Property::BitRate, audioProp->bitrate() * 1000);
         }
 
         if (audioProp->channels()) {
             result->add(Property::Channels, audioProp->channels());
         }
 
         if (audioProp->sampleRate()) {
             result->add(Property::SampleRate, audioProp->sampleRate());
         }
     }
 }
 
 // TAG information (incomplete).
 // https://xiph.org/vorbis/doc/v-comment.html
 // http://help.mp3tag.de/main_tags.html
 // http://id3.org/
 // https://www.legroom.net/2009/05/09/ogg-vorbis-and-flac-comment-field-recommendations
 // https://kodi.wiki/view/Music_tagging#Tags_Kodi_reads
 // https://wiki.hydrogenaud.io/index.php?title=Tag_Mapping
 // https://picard.musicbrainz.org/docs/mappings/
 // -- FLAC/OGG --
 // Artist:          ARTIST, PERFORMER
 // Album artist:    ALBUMARTIST
 // Composer:        COMPOSER
 // Lyricist:        LYRICIST
 // Conductor:       CONDUCTOR
 // Disc number:     DISCNUMBER
 // Total discs:     TOTALDISCS, DISCTOTAL
 // Track number:    TRACKNUMBER
 // Total tracks:    TOTALTRACKS, TRACKTOTAL
 // Genre: GENRE
 // -- ID3v2 --
 // Artist:                          TPE1
 // Album artist:                    TPE2
 // Composer:                        TCOM
 // Lyricist:                        TEXT
 // Conductor:                       TPE3
 // Disc number[/total dics]:        TPOS
 // Track number[/total tracks]:     TRCK
 // Genre:                           TCON