C++ Metadata::Title方法代码示例

void ImportMusicDialog::setTitleWordCaps(void)
{
    Metadata *data = m_tracks->at(m_currentTrack)->metadata;
    QString title = data->Title();
    bool bInWord = false;

    for (int x = 0; x < title.length(); x++)
    {
        if (title[x].isSpace())
            bInWord = false;
        else
        {
            if (title[x].isLetter())
            {
                if (!bInWord)
                {
                    title[x] = title[x].toUpper();
                    bInWord = true;
                }
                else
                    title[x] = title[x].toLower();
            }
        }
    }

    data->setTitle(title);
    fillWidgets();
}

void Ripper::switchTitlesAndArtists()
{
    if (!m_compilationCheck->GetBooleanCheckState())
        return;

    Metadata *data;

    // Switch title and artist for each track
    QString tmp;
    if (m_tracks->size() > 0)
    {
        for (int track = 0; track < m_tracks->size(); ++track)
        {
            data = m_tracks->at(track)->metadata;

            if (data)
            {
                tmp = data->Artist();
                data->setArtist(data->Title());
                data->setTitle(tmp);
            }
        }

        updateTrackList();
    }
}

void ImportMusicDialog::metadataChanged(void)
{
    Metadata *editMeta = m_tracks->at(m_currentTrack)->metadata;
    m_tracks->at(m_currentTrack)->metadataHasChanged = true;
    m_tracks->at(m_currentTrack)->isNewTune =
        Ripper::isNewTune(editMeta->Artist(), editMeta->Album(), editMeta->Title());
    fillWidgets();
}

void Ripper::updateTrackList(void)
{
    if (m_tracks->isEmpty())
        return;

    QString tmptitle;
    if (m_trackList)
    {
        m_trackList->Reset();

        int i;
        for (i = 0; i < (int)m_tracks->size(); i++)
        {
            if (i >= m_tracks->size())
                break;

            RipTrack *track = m_tracks->at(i);
            Metadata *metadata = track->metadata;

            MythUIButtonListItem *item = new MythUIButtonListItem(m_trackList,"");

            item->setCheckable(true);

            item->SetData(qVariantFromValue(track));

            if (track->isNew)
                item->DisplayState("new", "yes");
            else
                item->DisplayState("new", "no");

            if (track->active)
                item->setChecked(MythUIButtonListItem::FullChecked);
            else
                item->setChecked(MythUIButtonListItem::NotChecked);

            item->SetText(QString::number(metadata->Track()), "track");
            item->SetText(metadata->Title(), "title");
            item->SetText(metadata->Artist(), "artist");

            int length = track->length / 1000;
            if (length > 0)
            {
                int min, sec;
                min = length / 60;
                sec = length % 60;
                QString s;
                s.sprintf("%02d:%02d", min, sec);
                item->SetText(s, "length");
            }
            else
                item->SetText("", "length");

//             if (i == m_currentTrack)
//                 m_trackList->SetItemCurrent(i);
        }
    }
}

void ImportMusicDialog::setAlbum(void)
{
    if (!m_haveDefaults)
        return;

    Metadata *data = m_tracks->at(m_currentTrack)->metadata;
    data->setAlbum(m_defaultAlbum);

    m_tracks->at(m_currentTrack)->isNewTune = Ripper::isNewTune(
            data->Artist(), data->Album(), data->Title());

    fillWidgets();
}

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 ImportMusicDialog::scanDirectory(QString &directory, vector<TrackInfo*> *tracks)
{
    QDir d(directory);

    if (!d.exists())
        return;

    const QFileInfoList list = d.entryInfoList();
    if (list.isEmpty())
        return;

    QFileInfoList::const_iterator it = list.begin();
    const QFileInfo *fi;

    while (it != list.end())
    {
        fi = &(*it);
        ++it;
        if (fi->fileName() == "." || fi->fileName() == "..")
            continue;
        QString filename = fi->absoluteFilePath();
        if (fi->isDir())
            scanDirectory(filename, tracks);
        else
        {
            Decoder *decoder = Decoder::create(filename, NULL, NULL, true);
            if (decoder)
            {
                Metadata *metadata = decoder->getMetadata();
                if (metadata)
                {
                    TrackInfo * track = new TrackInfo;
                    track->metadata = metadata;
                    track->isNewTune = Ripper::isNewTune(metadata->Artist(),
                            metadata->Album(), metadata->Title());
                    track->metadataHasChanged = false;
                    tracks->push_back(track);
                    m_sourceFiles.append(filename);
                }

                delete decoder;
            }
        }
    }
}

void ImportMusicDialog::setTitleInitialCap(void)
{
    Metadata *data = m_tracks->at(m_currentTrack)->metadata;
    QString title = data->Title();
    bool bFoundCap = false;

    for (int x = 0; x < title.length(); x++)
    {
        if (title[x].isLetter())
        {
            if (bFoundCap == false)
            {
                title[x] = title[x].toUpper();
                bFoundCap = true;
            }
            else
                title[x] = title[x].toLower();
        }
    }

    data->setTitle(title);
    fillWidgets();
}

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 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 CDRipperThread::run(void)
{
    if (!m_tracks->size() > 0)
        return;

    Metadata *track = m_tracks->at(0)->metadata;
    QString tots;

    if (track->Compilation())
    {
        tots = track->CompilationArtist() + " ~ " + track->Album();
    }
    else
    {
        tots = track->Artist() + " ~ " + track->Album();
    }

    QApplication::postEvent(
        m_parent,
        new RipStatusEvent(RipStatusEvent::kOverallTextEvent, tots));
    QApplication::postEvent(
        m_parent,
        new RipStatusEvent(RipStatusEvent::kOverallProgressEvent, 0));
    QApplication::postEvent(
        m_parent,
        new RipStatusEvent(RipStatusEvent::kTrackProgressEvent, 0));

    QString textstatus;
    QString encodertype = gCoreContext->GetSetting("EncoderType");
    bool mp3usevbr = gCoreContext->GetNumSetting("Mp3UseVBR", 0);

    m_totalSectors = 0;
    m_totalSectorsDone = 0;
    for (int trackno = 0; trackno < m_tracks->size(); trackno++)
    {
        m_totalSectors += getSectorCount(m_CDdevice, trackno + 1);
    }

    QApplication::postEvent(m_parent,
        new RipStatusEvent(RipStatusEvent::kOverallStartEvent, m_totalSectors));

    if (LCD *lcd = LCD::Get())
    {
        QString lcd_tots = QObject::tr("Importing ") + tots;
        QList<LCDTextItem> textItems;
        textItems.append(LCDTextItem(1, ALIGN_CENTERED,
                                         lcd_tots, "Generic", false));
        lcd->switchToGeneric(textItems);
    }

    Metadata *titleTrack = NULL;
    QString outfile;

    std::auto_ptr<Encoder> encoder;

    for (int trackno = 0; trackno < m_tracks->size(); trackno++)
    {
        if (isCancelled())
            break;

        QApplication::postEvent(
            m_parent,
            new RipStatusEvent(RipStatusEvent::kStatusTextEvent,
                               QString("Track %1 of %2")
                               .arg(trackno + 1).arg(m_tracks->size())));

        QApplication::postEvent(
            m_parent,
            new RipStatusEvent(RipStatusEvent::kTrackProgressEvent, 0));

        track = m_tracks->at(trackno)->metadata;

        if (track)
        {
            textstatus = track->Title();
            QApplication::postEvent(
                m_parent,
                new RipStatusEvent(
                    RipStatusEvent::kTrackTextEvent, textstatus));
            QApplication::postEvent(
                m_parent,
                new RipStatusEvent(RipStatusEvent::kTrackProgressEvent, 0));
            QApplication::postEvent(
                m_parent,
                new RipStatusEvent(RipStatusEvent::kTrackPercentEvent, 0));

            // do we need to start a new file?
            if (m_tracks->at(trackno)->active)
            {
                titleTrack = track;
                titleTrack->setLength(m_tracks->at(trackno)->length);

                outfile = Ripper::filenameFromMetadata(track);

                if (m_quality < 3)
                {
                    if (encodertype == "mp3")
                    {
                        outfile += ".mp3";
                        encoder.reset(new LameEncoder(outfile, m_quality,
//.........这里部分代码省略.........

bool Ripper::deleteExistingTrack(RipTrack *track)
{
    if (!track)
        return false;

    Metadata *metadata = track->metadata;

    if (!metadata)
        return false;

    QString artist = metadata->Artist();
    QString album = metadata->Album();
    QString title = metadata->Title();

    MSqlQuery query(MSqlQuery::InitCon());
    QString queryString("SELECT song_id, "
            "CONCAT_WS('/', music_directories.path, music_songs.filename) AS filename "
            "FROM music_songs "
            "LEFT JOIN music_artists"
            " ON music_songs.artist_id=music_artists.artist_id "
            "LEFT JOIN music_albums"
            " ON music_songs.album_id=music_albums.album_id "
            "LEFT JOIN music_directories "
            " ON music_songs.directory_id=music_directories.directory_id "
            "WHERE artist_name REGEXP \'");
    QString token = artist;
    token.replace(QRegExp("(/|\\\\|:|\'|\\,|\\!|\\(|\\)|\"|\\?|\\|)"),
                  QString("."));

    queryString += token + "\' AND " + "album_name REGEXP \'";
    token = album;
    token.replace(QRegExp("(/|\\\\|:|\'|\\,|\\!|\\(|\\)|\"|\\?|\\|)"),
                  QString("."));
    queryString += token + "\' AND " + "name    REGEXP \'";
    token = title;
    token.replace(QRegExp("(/|\\\\|:|\'|\\,|\\!|\\(|\\)|\"|\\?|\\|)"),
                  QString("."));
    queryString += token + "\' ORDER BY artist_name, album_name,"
                           " name, song_id, filename LIMIT 1";
    query.prepare(queryString);

    if (!query.exec() || !query.isActive())
    {
        MythDB::DBError("Search music database", query);
        return false;
    }

    if (query.next())
    {
        int trackID = query.value(0).toInt();
        QString filename = gMusicData->musicDir + query.value(1).toString();

        // delete file
        if (!QFile::remove(filename))
        {
            LOG(VB_GENERAL, LOG_NOTICE, QString("Ripper::deleteExistingTrack() "
                                                "Could not delete %1")
                                                .arg(filename));
            return false;
        }

        // remove database entry
        MSqlQuery deleteQuery(MSqlQuery::InitCon());
        deleteQuery.prepare("DELETE FROM music_songs"
                            " WHERE song_id = :SONG_ID");
        deleteQuery.bindValue(":SONG_ID", trackID);
        if (!deleteQuery.exec())
        {
            MythDB::DBError("Delete Track", deleteQuery);
            return false;
        }
        return true;
    }

    return false;
}

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();
}

void ImportMusicDialog::addPressed()
{
    if (m_tracks->size() == 0)
        return;

    Metadata *meta = m_tracks->at(m_currentTrack)->metadata;

    // is the current track a new file?
    if (m_tracks->at(m_currentTrack)->isNewTune)
    {
        // get the save filename - this also creates the correct directory stucture
        QString saveFilename = Ripper::filenameFromMetadata(meta);

        // we need to manually copy the file extension
        QFileInfo fi(meta->Filename());
        saveFilename += "." + fi.suffix();

        // copy the file to the new location
        if (!copyFile(meta->Filename(), saveFilename))
        {
            ShowOkPopup(tr("Copy Failed\nCould not copy file to: %1")
                                                        .arg(saveFilename));
            return;
        }

        meta->setFilename(saveFilename);

        // do we need to update the tags?
        if (m_tracks->at(m_currentTrack)->metadataHasChanged)
        {
            Decoder *decoder = Decoder::create(saveFilename, NULL, NULL, true);
            if (decoder)
            {
                decoder->commitMetadata(meta);
                delete decoder;
            }
        }

        // update the database
        meta->dumpToDatabase();

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

        m_somethingWasImported = true;

        m_tracks->at(m_currentTrack)->isNewTune = Ripper::isNewTune(
                meta->Artist(), meta->Album(), meta->Title());

        // update the UI
        fillWidgets();
    }
    else
        ShowOkPopup(tr("This track is already in the database"));
}

int Playlist::writeTree(GenericTree *tree_to_write_to, int a_counter)
{
    // compute max/min playcount,lastplay for this playlist
    int playcountMin = 0;
    int playcountMax = 0;
    double lastplayMin = 0.0;
    double lastplayMax = 0.0;

    typedef map<QString, uint32_t> AlbumMap;
    AlbumMap                       album_map;
    AlbumMap::iterator             Ialbum;
    QString                        album;

    typedef map<QString, uint32_t> ArtistMap;
    ArtistMap                      artist_map;
    ArtistMap::iterator            Iartist;
    QString                        artist;

    uint idx = 0;
    SongList::const_iterator it = songs.begin();
    for (; it != songs.end(); ++it, ++idx)
    {
        if (!(*it)->getCDFlag())
        {
            if ((*it)->getValue() == 0)
            {
                VERBOSE(VB_IMPORTANT, LOC_ERR + kID0err);
            }
            if ((*it)->getValue() > 0)
            {
                // Normal track
                Metadata *tmpdata =
                    all_available_music->getMetadata((*it)->getValue());
                if (tmpdata)
                {
                    if (tmpdata->isVisible())
                    {
                        if (0 == idx)
                        { // first song
                            playcountMin = playcountMax = tmpdata->PlayCount();
                            lastplayMin = lastplayMax = tmpdata->LastPlay().toTime_t();
                        }
                        else
                        {
                            if (tmpdata->PlayCount() < playcountMin)
                                playcountMin = tmpdata->PlayCount();
                            else if (tmpdata->PlayCount() > playcountMax)
                                playcountMax = tmpdata->PlayCount();

                            if (tmpdata->LastPlay().toTime_t() < lastplayMin)
                                lastplayMin = tmpdata->LastPlay().toTime_t();
                            else if (tmpdata->LastPlay().toTime_t() > lastplayMax)
                                lastplayMax = tmpdata->LastPlay().toTime_t();
                        }
                    }
                    // pre-fill the album-map with the album name.
                    // This allows us to do album mode in album order
                    album = tmpdata->Album();
                    // pre-fill the artist map with the artist name and song title
                    artist = tmpdata->Artist() + "~" + tmpdata->Title();
                }
                if ((Ialbum = album_map.find(album)) == album_map.end())
                    album_map.insert(AlbumMap::value_type(album,0));

                if ((Iartist = artist_map.find(artist)) == artist_map.end())
                    artist_map.insert(ArtistMap::value_type(artist,0));
            }
        }
    }
    // populate the sort id into the album map
    uint32_t album_count = 1;
    for (Ialbum = album_map.begin(); Ialbum != album_map.end(); Ialbum++)
    {
        Ialbum->second = album_count;
        album_count++;
    }

    // populate the sort id into the artist map
    uint32_t count = 1;
    for (Iartist = artist_map.begin(); Iartist != artist_map.end(); Iartist++)
    {
        Iartist->second = count;
        count++;
    }

    int RatingWeight = 2;
    int PlayCountWeight = 2;
    int LastPlayWeight = 2;
    int RandomWeight = 2;

    parent->FillIntelliWeights(RatingWeight, PlayCountWeight, LastPlayWeight,
                               RandomWeight);

    for (it = songs.begin(); it != songs.end(); ++it)
    {
        if (!(*it)->getCDFlag())
        {
            if ((*it)->getValue() == 0)
            {
                VERBOSE(VB_IMPORTANT, LOC_ERR + kID0err);
//.........这里部分代码省略.........