Ejemplo n.º 1
0
void TagLibExtractor::extract(ExtractionResult* result)
{
    const QString fileUrl = result->inputUrl();
    const QString mimeType = result->inputMimetype();

    TagLib::FileRef file(fileUrl.toUtf8().constData(), true);
    if (file.isNull()) {
        return;
    }

    TagLib::Tag* tags = file.tag();
    result->addType(Type::Audio);

    TagLib::String artists;
    TagLib::String albumArtists;
    TagLib::String composers;
    TagLib::String lyricists;
    TagLib::StringList genres;

    // Handling multiple tags in mpeg files.
    if ((mimeType == QLatin1String("audio/mpeg")) || (mimeType == QLatin1String("audio/mpeg3")) || (mimeType == QLatin1String("audio/x-mpeg"))) {
        TagLib::MPEG::File mpegFile(fileUrl.toUtf8().constData(), true);
        if (mpegFile.ID3v2Tag() && !mpegFile.ID3v2Tag()->isEmpty()) {
            TagLib::ID3v2::FrameList lstID3v2;

            // Artist.
            lstID3v2 = mpegFile.ID3v2Tag()->frameListMap()["TPE1"];
            if (!lstID3v2.isEmpty()) {
                for (TagLib::ID3v2::FrameList::ConstIterator it = lstID3v2.begin(); it != lstID3v2.end(); ++it) {
                    if (!artists.isEmpty()) {
                        artists += ", ";
                    }
                    artists += (*it)->toString();
                }
            }

            // Album Artist.
            lstID3v2 = mpegFile.ID3v2Tag()->frameListMap()["TPE2"];
            if (!lstID3v2.isEmpty()) {
                for (TagLib::ID3v2::FrameList::ConstIterator it = lstID3v2.begin(); it != lstID3v2.end(); ++it) {
                    if (!albumArtists.isEmpty()) {
                        albumArtists += ", ";
                    }
                    albumArtists += (*it)->toString();
                }
            }

            // Composer.
            lstID3v2 = mpegFile.ID3v2Tag()->frameListMap()["TCOM"];
            if (!lstID3v2.isEmpty()) {
                for (TagLib::ID3v2::FrameList::ConstIterator it = lstID3v2.begin(); it != lstID3v2.end(); ++it) {
                    if (!composers.isEmpty()) {
                        composers += ", ";
                    }
                    composers += (*it)->toString();
                }
            }

            // Lyricist.
            lstID3v2 = mpegFile.ID3v2Tag()->frameListMap()["TEXT"];
            if (!lstID3v2.isEmpty()) {
                for (TagLib::ID3v2::FrameList::ConstIterator it = lstID3v2.begin(); it != lstID3v2.end(); ++it) {
                    if (!lyricists.isEmpty()) {
                        lyricists += ", ";
                    }
                    lyricists += (*it)->toString();
                }
            }

            // Genre.
            lstID3v2 = mpegFile.ID3v2Tag()->frameListMap()["TCON"];
            if (!lstID3v2.isEmpty()) {
                for (TagLib::ID3v2::FrameList::ConstIterator it = lstID3v2.begin(); it != lstID3v2.end(); ++it) {
                    genres.append((*it)->toString());
                }
            }

        }
    }

    // Handling multiple tags in Ogg containers.
    {
        TagLib::Ogg::FieldListMap lstOgg;

        // FLAC files.
        if (mimeType == QLatin1String("audio/flac")) {
            TagLib::FLAC::File flacFile(fileUrl.toUtf8().constData(), true);
            if (flacFile.xiphComment() && !flacFile.xiphComment()->isEmpty()) {
                lstOgg = flacFile.xiphComment()->fieldListMap();
            }
        }

        // Vorbis files.
        if (mimeType == QLatin1String("audio/ogg") || mimeType == QLatin1String("audio/x-vorbis+ogg")) {
            TagLib::Ogg::Vorbis::File oggFile(fileUrl.toUtf8().constData(), true);
            if (oggFile.tag() && !oggFile.tag()->isEmpty()) {
                lstOgg = oggFile.tag()->fieldListMap();
            }
        }

        // Opus files.
        if (mimeType == QLatin1String("audio/opus") || mimeType == QLatin1String("audio/x-opus+ogg")) {
            TagLib::Ogg::Opus::File opusFile(fileUrl.toUtf8().constData(), true);
            if (opusFile.tag() && !opusFile.tag()->isEmpty()) {
                lstOgg = opusFile.tag()->fieldListMap();
            }
        }

        // Handling OGG container tags.
        if (!lstOgg.isEmpty()) {
            TagLib::Ogg::FieldListMap::ConstIterator itOgg;

            // Artist.
            itOgg = lstOgg.find("ARTIST");
            if (itOgg != lstOgg.end()) {
                if (!artists.isEmpty()) {
                    artists += ", ";
                }
                artists += (*itOgg).second.toString(", ");
            }

            // Album Artist.
            itOgg = lstOgg.find("ALBUMARTIST");
            if (itOgg != lstOgg.end()) {
                if (!albumArtists.isEmpty()) {
                    albumArtists += ", ";
                }
                albumArtists += (*itOgg).second.toString(", ");
            }

            // Composer.
            itOgg = lstOgg.find("COMPOSER");
            if (itOgg != lstOgg.end()) {
                if (!composers.isEmpty()) {
                    composers += ", ";
                }
                composers += (*itOgg).second.toString(", ");
            }

            // Lyricist.
            itOgg = lstOgg.find("LYRICIST");
            if (itOgg != lstOgg.end()) {
                if (!lyricists.isEmpty()) {
                    lyricists += ", ";
                }
                lyricists += (*itOgg).second.toString(", ");
            }

            // Genre.
            itOgg = lstOgg.find("GENRE");
            if (itOgg != lstOgg.end()) {
                genres.append((*itOgg).second);
            }
        }
    }

    // Handling multiple tags in Musepack files.
    if (mimeType == QLatin1String("audio/x-musepack")) {
        TagLib::MPC::File mpcFile(fileUrl.toUtf8().constData(), true);
        if (mpcFile.tag() && !mpcFile.tag()->isEmpty()) {
            TagLib::APE::ItemListMap lstMusepack = mpcFile.APETag()->itemListMap();
            TagLib::APE::ItemListMap::ConstIterator itMPC;

            // Artist.
            itMPC = lstMusepack.find("ARTIST");
            if (itMPC != lstMusepack.end()) {
                if (!artists.isEmpty()) {
                    artists += ", ";
                }
                artists += (*itMPC).second.toString();
            }

            // Album Artist.
            itMPC = lstMusepack.find("ALBUMARTIST");
            if (itMPC != lstMusepack.end()) {
                if(!albumArtists.isEmpty()) {
                    albumArtists += ", ";
                }
                albumArtists += (*itMPC).second.toString();
            }

            // Composer.
            itMPC = lstMusepack.find("COMPOSER");
            if (itMPC != lstMusepack.end()) {
                if (!composers.isEmpty()) {
                    composers += ", ";
                }
                composers += (*itMPC).second.toString();
            }

            // Lyricist.
            itMPC = lstMusepack.find("LYRICIST");
            if (itMPC != lstMusepack.end()) {
                if (!lyricists.isEmpty()) {
                    lyricists += ", ";
                }
                lyricists += (*itMPC).second.toString();
            }

            // Genre.
            itMPC = lstMusepack.find("GENRE");
            if (itMPC != lstMusepack.end()) {
                genres.append((*itMPC).second.toString());
            }
        }
    }

    if (!tags->isEmpty()) {
        QString title = t2q(tags->title());
        if (!title.isEmpty()) {
            result->add(Property::Title, title);
        }

        QString comment = t2q(tags->comment());
        if (!comment.isEmpty()) {
            result->add(Property::Comment, comment);
        }

        if (genres.isEmpty()) {
            genres.append(tags->genre());
        }

        for (uint i = 0; i < genres.size(); i++) {
            QString genre = t2q(genres[i]).trimmed();

            // Convert from int
            bool ok = false;
            int genreNum = genre.toInt(&ok);
            if (ok) {
                genre = t2q(TagLib::ID3v1::genre(genreNum));
            }

            result->add(Property::Genre, genre);
        }

        QString artistString;
        if (artists.isEmpty()) {
            artistString = t2q(tags->artist());
        } else {
            artistString = t2q(artists).trimmed();
        }

        QStringList artists = contactsFromString(artistString);
        foreach(const QString& artist, artists) {
            result->add(Property::Artist, artist);
        }
Ejemplo n.º 2
0
int main(int argc, char *argv[])
{
  for(int i = 1; i < argc; i++) {

    cout << "******************** \"" << argv[i] << "\" ********************" << endl;

    TagLib::FileRef f(argv[i]);

    if(!f.isNull() && f.tag()) {

      TagLib::Tag *tag = f.tag();

      cout << "-- TAG --" << endl;
      cout << "title        - \"" << tag->title()   << "\"" << endl;
      cout << "artist       - \"" << tag->artist()  << "\"" << endl;
      cout << "album artist - \"" << tag->albumArtist()   << "\"" << endl;
      cout << "album        - \"" << tag->album()   << "\"" << endl;
      cout << "year         - \"" << tag->year()    << "\"" << endl;
      cout << "comment      - \"" << tag->comment() << "\"" << endl;
      cout << "track        - \"" << tag->track()   << "\"" << endl;
      cout << "genre        - \"" << tag->genre()   << "\"" << endl;
      cout << "grouping     - \"" << tag->grouping()   << "\"" << endl;
      TagLib::Ogg::XiphComment *comment = NULL;
      TagLib::FLAC::File *flac = dynamic_cast<TagLib::FLAC::File *>(f.file());
      if (flac) {
        cout << "flac:" << endl;
        cout << "id3v1   - \"" << flac->ID3v1Tag()   << "\"" << endl;
        cout << "id3v2   - \"" << flac->ID3v2Tag()   << "\"" << endl;
        cout << "xiph    - \"" << flac->xiphComment()   << "\"" << endl;
        comment = flac->xiphComment();
      }
      if (!comment) {
        comment = dynamic_cast<TagLib::Ogg::XiphComment *>(tag);
      }
      if (comment) {
        TagLib::Ogg::FieldListMap fields = comment->fieldListMap();
        for(TagLib::Ogg::FieldListMap::ConstIterator it = fields.begin(), end = fields.end(); it != end; it++) {
          if (!it->second.isEmpty())
            cout << "xiph:" << it->first << " \"" << it->second[0].substr(0,3) << "\"" << endl;
        }
      }
      cout << "pictures- \"" << f.file()->pictures().size()   << "\"" << endl;
      TagLib::File::PictureList l = f.file()->pictures();
      for (TagLib::File::_PictureList::ConstIterator i = l.begin(), end = l.end(); i != end; i++) {
        cout << "\t" << (*i)->typeName() << ' ' << (*i)->mimeType() << ' ' << (*i)->base64data().size() << endl;
      }
      
      cout << "pictures- \"" << tag->pictures().size()   << "\"" << endl;
    }

    if(!f.isNull() && f.audioProperties()) {

      TagLib::AudioProperties *properties = f.audioProperties();

      int seconds = properties->length() % 60;
      int minutes = (properties->length() - seconds) / 60;

      cout << "-- AUDIO --" << endl;
      cout << "bitrate     - " << properties->bitrate() << endl;
      cout << "sample rate - " << properties->sampleRate() << endl;
      cout << "channels    - " << properties->channels() << endl;
      cout << "length      - " << minutes << ":" << formatSeconds(seconds) << endl;
    }
  }
  return 0;
}