C++ Metadata::Genre方法代码示例

void ImportMusicDialog::saveDefaults(void)
{
    Metadata *data = m_tracks->at(m_currentTrack)->metadata;
    m_defaultCompilation = data->Compilation();
    m_defaultCompArtist = data->CompilationArtist();
    m_defaultArtist = data->Artist();
    m_defaultAlbum = data->Album();
    m_defaultGenre = data->Genre();
    m_defaultYear = data->Year();
    m_defaultRating = data->Rating();

    m_haveDefaults = true;
}

void ImportMusicDialog::fillWidgets()
{
    if (m_tracks->size() > 0)
    {
        // update current
        m_currentText->SetText(QString("%1 of %2")
                .arg(m_currentTrack + 1).arg(m_tracks->size()));

        Metadata *meta = m_tracks->at(m_currentTrack)->metadata;
        m_filenameText->SetText(meta->Filename());
        m_compilationCheck->SetCheckState(meta->Compilation());
        m_compartistText->SetText(meta->CompilationArtist());
        m_artistText->SetText(meta->Artist());
        m_albumText->SetText(meta->Album());
        m_titleText->SetText(meta->Title());
        m_genreText->SetText(meta->Genre());
        m_yearText->SetText(QString::number(meta->Year()));
        m_trackText->SetText(QString::number(meta->Track()));
        if (m_tracks->at(m_currentTrack)->isNewTune)
        {
            m_coverartButton->SetVisible(false);
            m_statusText->SetText(tr("New File"));
        }
        else
        {
            m_coverartButton->SetVisible(true);
            m_statusText->SetText(tr("Already in Database"));
        }
    }
    else
    {
        // update current
        m_currentText->SetText(tr("Not found"));
        m_filenameText->Reset();
        m_compilationCheck->SetCheckState(false);
        m_compartistText->Reset();
        m_artistText->Reset();
        m_albumText->Reset();
        m_titleText->Reset();
        m_genreText->Reset();
        m_yearText->Reset();
        m_trackText->Reset();
        m_statusText->Reset();
        m_coverartButton->SetVisible(false);
    }
}

void SearchStream::updateStreams(void)
{
    m_streamList->Reset();

    QString station = m_stationList->GetValue();
    QString genre = m_genreList->GetValue();
    QString channel = m_channelEdit->GetText();

    bool searchStation = (station != tr("<All Stations>"));
    bool searchGenre = (genre != tr("<All Genres>"));
    bool searchChannel = !channel.isEmpty();

    QMap<QString, Metadata>::iterator it;

    for (it = m_streams.begin(); it != m_streams.end(); ++it)
    {
        Metadata *mdata = &(*it);

        if (searchStation && station != mdata->Station())
            continue;

        if (searchGenre && !mdata->Genre().contains(genre, Qt::CaseInsensitive))
            continue;

        if (searchChannel && !mdata->Channel().contains(channel, Qt::CaseInsensitive))
            continue;

        // if we got here we must have a match so add it to the list
        MythUIButtonListItem *item = new MythUIButtonListItem(m_streamList, 
                "", qVariantFromValue(mdata));

        MetadataMap metadataMap;
        mdata->toMap(metadataMap);
        item->SetTextFromMap(metadataMap);

        item->SetText(" ", "dummy");
    }

    m_matchesText->SetText(QString("%1").arg(m_streamList->GetCount()));
}

void DatabaseBox::entered(UIListTreeType *treetype, UIListGenericTree *item)
{
    if (!item || !treetype)
        return;

    // Determin if this is a CD entry
    bool cd = false;
    if (dynamic_cast<CDCheckItem*>(item))
      cd = true;

    TreeCheckItem *item_ptr = dynamic_cast<TreeCheckItem*>(item);

    if (item_ptr
        && item->childCount() == 0
        && item_ptr->getLevel() == "title")
    {
        int id = item_ptr->getID();

        Metadata *mdata;
        if (!cd)
        {
            mdata = gMusicData->all_music->getMetadata(id);
            if (!mdata)
                return;
        }
        else
        {
            // Need to allocate storage for CD Metadata
            mdata = new Metadata;
            if (!gMusicData->all_music->getCDMetadata(id, mdata))
            {
                delete mdata;
                return;
            }
        }

        unsigned int line = 0;
        QString tmpstr;

        if (mdata->Compilation())
        {
            tmpstr = tr("Compilation Artist:\t") + mdata->CompilationArtist();
            if (m_lines.at(line))
                m_lines.at(line++)->SetText(tmpstr);
        }

        tmpstr = tr("Artist:\t") + mdata->Artist();
        if (m_lines.at(line))
            m_lines.at(line++)->SetText(tmpstr);

        tmpstr = tr("Album:\t") + mdata->Album();
        if (m_lines.at(line))
            m_lines.at(line++)->SetText(tmpstr);

        tmpstr = tr("Title:\t") + mdata->Title();
        if (m_lines.at(line))
            m_lines.at(line++)->SetText(tmpstr);

        if (m_lines.at(line))
        {
            int maxTime = mdata->Length() / 1000;

            int maxh = maxTime / 3600;
            int maxm = (maxTime / 60) % 60;
            int maxs = maxTime % 60;

            QString timeStr;
            if (maxh > 0)
                timeStr.sprintf("%02d:%02d:%02d", maxh, maxm, maxs);
            else
                timeStr.sprintf("%02d:%02d", maxm, maxs);

            tmpstr = tr("Length:\t") + timeStr;

            m_lines.at(line++)->SetText(tmpstr);
        }

        tmpstr = tr("Genre: ") + mdata->Genre();

        if (m_lines.at(line))
        {
            m_lines.at(line)->SetText(tmpstr);
        }
        else
        {
            QString prevvalue = m_lines.at(line-1)->GetText();
            tmpstr = prevvalue + "            " + tmpstr;
            m_lines.at(line-1)->SetText(tmpstr);
        }

        // Pre increment as not incremented from previous use.
        while (++line < (unsigned) m_lines.size())
          m_lines.at(line)->SetText("");

        // Don't forget to delete the mdata storage if we allocated it.
        if (cd)
          delete mdata;

        return;
    }
//.........这里部分代码省略.........

void SearchStream::loadStreams(void)
{
    m_streams.clear();
    m_stations.clear();
    m_genres.clear();

    m_stations.append(tr("<All Stations>"));
    m_genres.append(tr("<All Genres>"));

    QString filename = QString("%1%2").arg(GetShareDir()).arg("mythmusic/streams.xml");

    QFile xmlFile(filename);

    if (!xmlFile.exists() || !xmlFile.open(QIODevice::ReadOnly))
    {
        LOG(VB_GENERAL, LOG_ERR, "SearchStream: Cannot open streams.xml");
        return;
    }

    QString errorMsg;
    int errorLine = 0;
    int errorColumn = 0;

    QDomDocument domDoc;

    if (!domDoc.setContent(&xmlFile, false, &errorMsg,
                           &errorLine, &errorColumn))
    {
        LOG(VB_GENERAL, LOG_ERR,
            "SearchStream: Could not read content of streams.xml" +
                QString("\n\t\t\tError parsing %1").arg(filename) +
                QString("\n\t\t\tat line: %1  column: %2 msg: %3")
                .arg(errorLine).arg(errorColumn).arg(errorMsg));
        return;
    }

    QDomNodeList itemList = domDoc.elementsByTagName("item");

    QDomNode itemNode;
    for (int i = 0; i < itemList.count(); i++)
    {
        itemNode = itemList.item(i);

        Metadata mdata;
        mdata.setStation(itemNode.namedItem(QString("station")).toElement().text());
        mdata.setChannel(itemNode.namedItem(QString("channel")).toElement().text());
        mdata.setUrl(itemNode.namedItem(QString("url")).toElement().text());
        mdata.setLogoUrl(itemNode.namedItem(QString("logourl")).toElement().text());
        mdata.setGenre(itemNode.namedItem(QString("genre")).toElement().text());
        mdata.setMetadataFormat(itemNode.namedItem(QString("metadataformat")).toElement().text());

        m_streams.insert(mdata.Station() + '-' + mdata.Channel(), mdata);

        if (!m_stations.contains(mdata.Station()))
            m_stations.append(mdata.Station());

        QStringList genreList = mdata.Genre().split(',');

        for (int x = 0; x < genreList.count(); x++)
        {
            if (!m_genres.contains(genreList[x].trimmed()))
                m_genres.append(genreList[x].trimmed());
        }
    }

    xmlFile.close();

    m_stations.sort();
    m_genres.sort();
}

/*!
 * \brief Insert file details into database.
 *        If it is an audio file, read the metadata and insert
 *        that information at the same time.
 *
 *        If it is an image file, just insert the filename and
 *        type.
 *
 * \param filename Full path to file.
 *
 * \returns Nothing.
 */
void FileScanner::AddFileToDB(const QString &filename)
{
    QString extension = filename.section( '.', -1 ) ;
    QString directory = filename;
    directory.remove(0, m_startdir.length());
    directory = directory.section( '/', 0, -2);

    QString nameFilter = gCoreContext->GetSetting("AlbumArtFilter",
                                              "*.png;*.jpg;*.jpeg;*.gif;*.bmp");

    // If this file is an image, insert the details into the music_albumart table
    if (nameFilter.indexOf(extension.toLower()) > -1)
    {
        QString name = filename.section( '/', -1);

        MSqlQuery query(MSqlQuery::InitCon());
        query.prepare("INSERT INTO music_albumart SET filename = :FILE, "
                      "directory_id = :DIRID, imagetype = :TYPE;");
        query.bindValue(":FILE", name);
        query.bindValue(":DIRID", m_directoryid[directory]);
        query.bindValue(":TYPE", AlbumArtImages::guessImageType(name));

        if (!query.exec() || query.numRowsAffected() <= 0)
        {
            MythDB::DBError("music insert artwork", query);
        }
        return;
    }

    Decoder *decoder = Decoder::create(filename, NULL, NULL, true);

    if (decoder)
    {
        LOG(VB_FILE, LOG_INFO,
            QString("Reading metadata from %1").arg(filename));
        Metadata *data = decoder->readMetadata();
        if (data) 
        {

            QString album_cache_string;

            // Set values from cache
            int did = m_directoryid[directory];
            if (did > 0)
                data->setDirectoryId(did);

            int aid = m_artistid[data->Artist().toLower()];
            if (aid > 0)
            {
                data->setArtistId(aid);

                // The album cache depends on the artist id
                album_cache_string = data->getArtistId() + "#"
                    + data->Album().toLower();

                if (m_albumid[album_cache_string] > 0)
                    data->setAlbumId(m_albumid[album_cache_string]);
            }

            int gid = m_genreid[data->Genre().toLower()];
            if (gid > 0)
                data->setGenreId(gid);

            // Commit track info to database
            data->dumpToDatabase();

            // Update the cache
            m_artistid[data->Artist().toLower()] =
                data->getArtistId();

            m_genreid[data->Genre().toLower()] =
                data->getGenreId();

            album_cache_string = data->getArtistId() + "#"
                + data->Album().toLower();
            m_albumid[album_cache_string] = data->getAlbumId();

            // read any embedded images from the tag
            MetaIO *tagger = data->getTagger();
            if (tagger && tagger->supportsEmbeddedImages())
            {
                AlbumArtList artList = tagger->getAlbumArtList(data->Filename());
                data->setEmbeddedAlbumArt(artList);
                data->getAlbumArtImages()->dumpToDatabase();
            }

            delete data;
        }
//.........这里部分代码省略.........

void Ripper::ScanFinished()
{
    delete m_scanThread;
    m_scanThread = NULL;

    m_tracks->clear();

    bool isCompilation = false;
    bool newTune = true;
    if (m_decoder)
    {
        QString label;
        Metadata *metadata;

        m_artistName.clear();
        m_albumName.clear();
        m_genreName.clear();
        m_year.clear();
        bool yesToAll = false;
        bool noToAll = false;

        for (int trackno = 0; trackno < m_decoder->getNumTracks(); trackno++)
        {
            RipTrack *ripTrack = new RipTrack;

            metadata = m_decoder->getMetadata(trackno + 1);
            if (metadata)
            {
                ripTrack->metadata = metadata;
                ripTrack->length = metadata->Length();
                ripTrack->active = true;

                if (metadata->Compilation())
                {
                    isCompilation = true;
                    m_artistName = metadata->CompilationArtist();
                }
                else if (m_artistName.isEmpty())
                {
                    m_artistName = metadata->Artist();
                }

                if (m_albumName.isEmpty())
                    m_albumName = metadata->Album();

                if (m_genreName.isEmpty() && !metadata->Genre().isEmpty())
                    m_genreName = metadata->Genre();

                if (m_year.isEmpty() && metadata->Year() > 0)
                    m_year = QString::number(metadata->Year());

                QString title = metadata->Title();
                newTune = Ripper::isNewTune(m_artistName, m_albumName, title);

                if (newTune)
                {
                    m_tracks->push_back(ripTrack);
                }
                else
                {
                    if (yesToAll)
                    {
                        deleteTrack(m_artistName, m_albumName, title);
                        m_tracks->push_back(ripTrack);
                    }
                    else if (noToAll)
                    {
                        delete ripTrack;
                        delete metadata;
                        continue;
                    }
                    else
                    {
                        DialogBox *dlg = new DialogBox(
                            GetMythMainWindow(),
                            tr("Artist: %1\n"
                               "Album: %2\n"
                               "Track: %3\n\n"
                               "This track is already in the database. \n"
                               "Do you want to remove the existing track?")
                            .arg(m_artistName).arg(m_albumName).arg(title));

                        dlg->AddButton("No");
                        dlg->AddButton("No To All");
                        dlg->AddButton("Yes");
                        dlg->AddButton("Yes To All");
                        DialogCode res = dlg->exec();
                        dlg->deleteLater();
                        dlg = NULL;

                        if (kDialogCodeButton0 == res)
                        {
                            delete ripTrack;
                            delete metadata;
                        }
                        else if (kDialogCodeButton1 == res)
                        {
                            noToAll = true;
                            delete ripTrack;
                            delete metadata;
//.........这里部分代码省略.........

void Ripper::ScanFinished()
{
    delete m_scanThread;
    m_scanThread = NULL;

    m_tracks->clear();

    bool isCompilation = false;
    if (m_decoder)
    {
        QString label;
        Metadata *metadata;

        m_artistName.clear();
        m_albumName.clear();
        m_genreName.clear();
        m_year.clear();

        for (int trackno = 0; trackno < m_decoder->getNumTracks(); trackno++)
        {
            RipTrack *ripTrack = new RipTrack;

            metadata = m_decoder->getMetadata(trackno + 1);
            if (metadata)
            {
                ripTrack->metadata = metadata;
                ripTrack->length = metadata->Length();

                if (metadata->Compilation())
                {
                    isCompilation = true;
                    m_artistName = metadata->CompilationArtist();
                }
                else if (m_artistName.isEmpty())
                {
                    m_artistName = metadata->Artist();
                }

                if (m_albumName.isEmpty())
                    m_albumName = metadata->Album();

                if (m_genreName.isEmpty() && !metadata->Genre().isEmpty())
                    m_genreName = metadata->Genre();

                if (m_year.isEmpty() && metadata->Year() > 0)
                    m_year = QString::number(metadata->Year());

                QString title = metadata->Title();
                ripTrack->isNew = isNewTune(m_artistName, m_albumName, title);

                ripTrack->active = ripTrack->isNew;

                m_tracks->push_back(ripTrack);

            }
            else
                delete ripTrack;
        }

        m_artistEdit->SetText(m_artistName);
        m_albumEdit->SetText(m_albumName);
        m_genreEdit->SetText(m_genreName);
        m_yearEdit->SetText(m_year);
        m_compilationCheck->SetCheckState(isCompilation);

        if (!isCompilation)
            m_switchTitleArtist->SetVisible(false);
        else
            m_switchTitleArtist->SetVisible(true);
    }

    BuildFocusList();
    updateTrackList();

    CloseBusyPopup();
}