C++ TrackPointer::getBpm方法代码示例

void DlgTrackInfo::populateFields(TrackPointer pTrack) {
    setWindowTitle(pTrack->getTitle());

    // Editable fields
    txtTrackName->setText(pTrack->getTitle());
    txtArtist->setText(pTrack->getArtist());
    txtAlbum->setText(pTrack->getAlbum());
    txtAlbumArtist->setText(pTrack->getAlbumArtist());
    txtGenre->setText(pTrack->getGenre());
    txtComposer->setText(pTrack->getComposer());
    txtGrouping->setText(pTrack->getGrouping());
    txtYear->setText(pTrack->getYear());
    txtTrackNumber->setText(pTrack->getTrackNumber());
    txtComment->setText(pTrack->getComment());
    spinBpm->setValue(pTrack->getBpm());
    // Non-editable fields
    txtDuration->setText(pTrack->getDurationStr());
    txtFilepath->setText(pTrack->getFilename());
    txtLocation->setText(pTrack->getLocation());
    txtType->setText(pTrack->getType());
    txtBitrate->setText(QString(pTrack->getBitrateStr()) + (" ") + tr("kbps"));
    txtBpm->setText(pTrack->getBpmStr());
    txtKey->setText(pTrack->getKeyText());
    BeatsPointer pBeats = pTrack->getBeats();
    bool beatsSupportsSet = !pBeats || (pBeats->getCapabilities() & Beats::BEATSCAP_SET);
    bool enableBpmEditing = !pTrack->hasBpmLock() && beatsSupportsSet;
    spinBpm->setEnabled(enableBpmEditing);
    bpmTap->setEnabled(enableBpmEditing);
    bpmDouble->setEnabled(enableBpmEditing);
    bpmHalve->setEnabled(enableBpmEditing);
    bpmTwoThirds->setEnabled(enableBpmEditing);
    bpmThreeFourth->setEnabled(enableBpmEditing);
}

TEST_F(CueControlTest, LoadAutodetectedCues_QuantizeEnabled) {
    m_pQuantizeEnabled->set(1);

    TrackPointer pTrack = createTestTrack();
    pTrack->setSampleRate(44100);
    pTrack->setBpm(120.0);

    const int frameSize = 2;
    const int sampleRate = pTrack->getSampleRate();
    const double bpm = pTrack->getBpm();
    const double beatLength = (60.0 * sampleRate / bpm) * frameSize;

    pTrack->setCuePoint(CuePosition(1.9 * beatLength, Cue::AUTOMATIC));

    auto pIntro = pTrack->createAndAddCue();
    pIntro->setType(Cue::INTRO);
    pIntro->setSource(Cue::AUTOMATIC);
    pIntro->setPosition(2.1 * beatLength);
    pIntro->setLength(1.2 * beatLength);

    auto pOutro = pTrack->createAndAddCue();
    pOutro->setType(Cue::OUTRO);
    pOutro->setSource(Cue::AUTOMATIC);
    pOutro->setPosition(11.1 * beatLength);
    pOutro->setLength(4.4 * beatLength);

    loadTrack(pTrack);

    EXPECT_DOUBLE_EQ(2.0 * beatLength, m_pCuePoint->get());
    EXPECT_DOUBLE_EQ(2.0 * beatLength, m_pIntroStartPosition->get());
    EXPECT_DOUBLE_EQ(4.0 * beatLength, m_pIntroEndPosition->get());
    EXPECT_DOUBLE_EQ(11.0 * beatLength, m_pOutroStartPosition->get());
    EXPECT_DOUBLE_EQ(16.0 * beatLength, m_pOutroEndPosition->get());
}

void SyncControl::trackLoaded(TrackPointer pNewTrack) {
    //qDebug() << getGroup() << "SyncControl::trackLoaded";
    if (getSyncMode() == SYNC_MASTER) {
        // If we change or remove a new track while master, hand off.
        m_pChannel->getEngineBuffer()->requestSyncMode(SYNC_NONE);
    }
    if (pNewTrack) {
        m_masterBpmAdjustFactor = kBpmUnity;
        if (getSyncMode() != SYNC_NONE) {
            // Because of the order signals get processed, the file/local_bpm COs and
            // rate slider are not updated as soon as we need them, so do that now.
            m_pFileBpm->set(pNewTrack->getBpm());
            m_pLocalBpm->set(pNewTrack->getBpm());
            double dRate = calcRateRatio();
            // We used to set the m_pBpm here, but that causes a signal loop whereby
            // that was interpretted as a rate slider tweak, and the master bpm
            // was changed.  Instead, now we pass the suggested bpm to enginesync
            // explicitly, and it can decide what to do with it.
            m_pEngineSync->notifyTrackLoaded(this, m_pLocalBpm->get() * dRate);
        }
    }
}

//.........这里部分代码省略.........
            item->setToolTip(item->text());
            item->setData(item->text().toInt(), Qt::UserRole);
            row_data.insert(COLUMN_TRACK_NUMBER, item);

            const QString year(pTrack->getYear());
            item = new YearItem(year);
            item->setToolTip(year);
            // The year column is sorted according to the numeric calendar year
            item->setData(mixxx::TrackMetadata::parseCalendarYear(year), Qt::UserRole);
            row_data.insert(COLUMN_YEAR, item);

            item = new QStandardItem(pTrack->getGenre());
            item->setToolTip(item->text());
            item->setData(item->text(), Qt::UserRole);
            row_data.insert(COLUMN_GENRE, item);

            item = new QStandardItem(pTrack->getComposer());
            item->setToolTip(item->text());
            item->setData(item->text(), Qt::UserRole);
            row_data.insert(COLUMN_COMPOSER, item);

            item = new QStandardItem(pTrack->getGrouping());
            item->setToolTip(item->text());
            item->setData(item->text(), Qt::UserRole);
            row_data.insert(COLUMN_GROUPING, item);

            item = new QStandardItem(pTrack->getComment());
            item->setToolTip(item->text());
            item->setData(item->text(), Qt::UserRole);
            row_data.insert(COLUMN_COMMENT, item);

            QString duration = pTrack->getDurationText(mixxx::Duration::Precision::SECONDS);
            item = new QStandardItem(duration);
            item->setToolTip(item->text());
            item->setData(item->text(), Qt::UserRole);
            row_data.insert(COLUMN_DURATION, item);

            item = new QStandardItem(pTrack->getBpmText());
            item->setToolTip(item->text());
            item->setData(pTrack->getBpm(), Qt::UserRole);
            row_data.insert(COLUMN_BPM, item);

            item = new QStandardItem(pTrack->getKeyText());
            item->setToolTip(item->text());
            item->setData(item->text(), Qt::UserRole);
            row_data.insert(COLUMN_KEY, item);

            item = new QStandardItem(pTrack->getType());
            item->setToolTip(item->text());
            item->setData(item->text(), Qt::UserRole);
            row_data.insert(COLUMN_TYPE, item);

            item = new QStandardItem(pTrack->getBitrateText());
            item->setToolTip(item->text());
            item->setData(pTrack->getBitrate(), Qt::UserRole);
            row_data.insert(COLUMN_BITRATE, item);

            QString location = pTrack->getLocation();
            QString nativeLocation = QDir::toNativeSeparators(location);
            item = new QStandardItem(nativeLocation);
            item->setToolTip(nativeLocation);
            item->setData(location, Qt::UserRole);
            row_data.insert(COLUMN_NATIVELOCATION, item);

            QDateTime modifiedTime = pTrack->getFileModifiedTime().toLocalTime();
            item = new QStandardItem(modifiedTime.toString(Qt::DefaultLocaleShortDate));
            item->setToolTip(item->text());
            item->setData(modifiedTime, Qt::UserRole);
            row_data.insert(COLUMN_FILE_MODIFIED_TIME, item);

            QDateTime creationTime = pTrack->getFileCreationTime().toLocalTime();
            item = new QStandardItem(creationTime.toString(Qt::DefaultLocaleShortDate));
            item->setToolTip(item->text());
            item->setData(creationTime, Qt::UserRole);
            row_data.insert(COLUMN_FILE_CREATION_TIME, item);

            const mixxx::ReplayGain replayGain(pTrack->getReplayGain());
            item = new QStandardItem(
                    mixxx::ReplayGain::ratioToString(replayGain.getRatio()));
            item->setToolTip(item->text());
            item->setData(item->text(), Qt::UserRole);
            row_data.insert(COLUMN_REPLAYGAIN, item);
        } // implicitly release track pointer and unlock cache

        rows.append(row_data);
        ++row;
        // If 10 tracks have been analyzed, send it to GUI
        // Will limit GUI freezing
        if (row % 10 == 0) {
            // this is a blocking operation
            emit(rowsAppended(rows, thisModelObserver));
            qDebug() << "Append " << rows.count() << " from " << filepath;
            rows.clear();
        }
        // Sleep additionally for 10ms which prevents us from GUI freezes
        msleep(20);
    }
    emit(rowsAppended(rows, thisModelObserver));
    qDebug() << "Append last " << rows.count();
}

void BaseTrackCache::getTrackValueForColumn(TrackPointer pTrack,
                                            int column,
                                            QVariant& trackValue) const {
    if (!pTrack || column < 0) {
        return;
    }

    // TODO(XXX) Qt properties could really help here.
    // TODO(rryan) this is all TrackDAO specific. What about iTunes/RB/etc.?
    if (fieldIndex(ColumnCache::COLUMN_LIBRARYTABLE_ARTIST) == column) {
        trackValue.setValue(pTrack->getArtist());
    } else if (fieldIndex(ColumnCache::COLUMN_LIBRARYTABLE_TITLE) == column) {
        trackValue.setValue(pTrack->getTitle());
    } else if (fieldIndex(ColumnCache::COLUMN_LIBRARYTABLE_ALBUM) == column) {
        trackValue.setValue(pTrack->getAlbum());
    } else if (fieldIndex(ColumnCache::COLUMN_LIBRARYTABLE_ALBUMARTIST) == column) {
        trackValue.setValue(pTrack->getAlbumArtist());
    } else if (fieldIndex(ColumnCache::COLUMN_LIBRARYTABLE_YEAR) == column) {
        trackValue.setValue(pTrack->getYear());
    } else if (fieldIndex(ColumnCache::COLUMN_LIBRARYTABLE_DATETIMEADDED) == column) {
        trackValue.setValue(pTrack->getDateAdded());
    } else if (fieldIndex(ColumnCache::COLUMN_LIBRARYTABLE_GENRE) == column) {
        trackValue.setValue(pTrack->getGenre());
    } else if (fieldIndex(ColumnCache::COLUMN_LIBRARYTABLE_COMPOSER) == column) {
        trackValue.setValue(pTrack->getComposer());
    } else if (fieldIndex(ColumnCache::COLUMN_LIBRARYTABLE_GROUPING) == column) {
        trackValue.setValue(pTrack->getGrouping());
    } else if (fieldIndex(ColumnCache::COLUMN_LIBRARYTABLE_FILETYPE) == column) {
        trackValue.setValue(pTrack->getType());
    } else if (fieldIndex(ColumnCache::COLUMN_LIBRARYTABLE_TRACKNUMBER) == column) {
        trackValue.setValue(pTrack->getTrackNumber());
    } else if (fieldIndex(ColumnCache::COLUMN_LIBRARYTABLE_LOCATION) == column) {
        trackValue.setValue(QDir::toNativeSeparators(pTrack->getLocation()));
    } else if (fieldIndex(ColumnCache::COLUMN_LIBRARYTABLE_COMMENT) == column) {
        trackValue.setValue(pTrack->getComment());
    } else if (fieldIndex(ColumnCache::COLUMN_LIBRARYTABLE_DURATION) == column) {
        trackValue.setValue(pTrack->getDuration());
    } else if (fieldIndex(ColumnCache::COLUMN_LIBRARYTABLE_BITRATE) == column) {
        trackValue.setValue(pTrack->getBitrate());
    } else if (fieldIndex(ColumnCache::COLUMN_LIBRARYTABLE_BPM) == column) {
        trackValue.setValue(pTrack->getBpm());
    } else if (fieldIndex(ColumnCache::COLUMN_LIBRARYTABLE_REPLAYGAIN) == column) {
        trackValue.setValue(pTrack->getReplayGain().getRatio());
    } else if (fieldIndex(ColumnCache::COLUMN_LIBRARYTABLE_PLAYED) == column) {
        trackValue.setValue(pTrack->getPlayCounter().isPlayed());
    } else if (fieldIndex(ColumnCache::COLUMN_LIBRARYTABLE_TIMESPLAYED) == column) {
        trackValue.setValue(pTrack->getPlayCounter().getTimesPlayed());
    } else if (fieldIndex(ColumnCache::COLUMN_LIBRARYTABLE_RATING) == column) {
        trackValue.setValue(pTrack->getRating());
    } else if (fieldIndex(ColumnCache::COLUMN_LIBRARYTABLE_KEY) == column) {
        trackValue.setValue(pTrack->getKeyText());
    } else if (fieldIndex(ColumnCache::COLUMN_LIBRARYTABLE_KEY_ID) == column) {
        trackValue.setValue(static_cast<int>(pTrack->getKey()));
    } else if (fieldIndex(ColumnCache::COLUMN_LIBRARYTABLE_BPM_LOCK) == column) {
        trackValue.setValue(pTrack->isBpmLocked());
    } else if (fieldIndex(ColumnCache::COLUMN_LIBRARYTABLE_COVERART_LOCATION) == column) {
        trackValue.setValue(pTrack->getCoverInfo().coverLocation);
    } else if (fieldIndex(ColumnCache::COLUMN_LIBRARYTABLE_COVERART_HASH) == column ||
               fieldIndex(ColumnCache::COLUMN_LIBRARYTABLE_COVERART) == column) {
        // For sorting, we give COLUMN_LIBRARYTABLE_COVERART the same value as
        // the cover hash.
        trackValue.setValue(pTrack->getCoverHash());
    } else if (fieldIndex(ColumnCache::COLUMN_LIBRARYTABLE_COVERART_SOURCE) == column) {
        trackValue.setValue(static_cast<int>(pTrack->getCoverInfo().source));
    } else if (fieldIndex(ColumnCache::COLUMN_LIBRARYTABLE_COVERART_TYPE) == column) {
        trackValue.setValue(static_cast<int>(pTrack->getCoverInfo().type));
    }
}