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C++ Cue类代码示例

本文整理汇总了C++中Cue的典型用法代码示例。如果您正苦于以下问题:C++ Cue类的具体用法?C++ Cue怎么用?C++ Cue使用的例子?那么, 这里精选的类代码示例或许可以为您提供帮助。


在下文中一共展示了Cue类的6个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的C++代码示例。

示例1: getTotalSamples

void VinylControlControl::slotControlVinylSeek(double change) {
    if(isnan(change) || change > 1.14 || change < -1.14) {
        // This seek is ridiculous.
        return;
    }

    double total_samples = getTotalSamples();
    double new_playpos = round(change*total_samples);

    // Do nothing if no track is loaded.
    if (!m_pCurrentTrack) {
        return;
    }

    if (m_pControlVinylEnabled->get() > 0.0 && m_pControlVinylMode->get() == MIXXX_VCMODE_RELATIVE) {
        int cuemode = (int)m_pControlVinylCueing->get();

        //if in preroll, always seek
        if (new_playpos < 0) {
            seek(change);
            return;
        } else if (cuemode == MIXXX_RELATIVE_CUE_OFF) {
            return;  //if off, do nothing
        } else if (cuemode == MIXXX_RELATIVE_CUE_ONECUE) {
            //if onecue, just seek to the regular cue
            seekAbs(m_pCurrentTrack->getCuePoint());
            return;
        }

        double distance = 0;
        int nearest_playpos = -1;

        QList<Cue*> cuePoints = m_pCurrentTrack->getCuePoints();
        QListIterator<Cue*> it(cuePoints);
        while (it.hasNext()) {
            Cue* pCue = it.next();
            if (pCue->getType() != Cue::CUE || pCue->getHotCue() == -1) {
                continue;
            }

            int cue_position = pCue->getPosition();
            //pick cues closest to new_playpos
            if ((nearest_playpos == -1) ||
                (fabs(new_playpos - cue_position) < distance)) {
                nearest_playpos = cue_position;
                distance = fabs(new_playpos - cue_position);
            }
        }

        if (nearest_playpos == -1) {
            if (new_playpos >= 0) {
                //never found an appropriate cue, so don't seek?
                return;
            }
            //if negative, allow a seek by falling down to the bottom
        } else {
            seekAbs(nearest_playpos);
            return;
        }
    }

    // just seek where it wanted to originally
    seek(change);
}
开发者ID:Shunty,项目名称:mixxx,代码行数:64,代码来源:vinylcontrolcontrol.cpp

示例2: even

void BaseTrackPlayer::slotLoadTrack(TrackPointer track, bool bPlay) {
    // Before loading the track, ensure we have access. This uses lazy
    // evaluation to make sure track isn't NULL before we dereference it.
    if (!track.isNull() && !Sandbox::askForAccess(track->getCanonicalLocation())) {
        // We don't have access.
        return;
    }

    //Disconnect the old track's signals.
    if (m_pLoadedTrack) {
        // Save the loops that are currently set in a loop cue. If no loop cue is
        // currently on the track, then create a new one.
        int loopStart = m_pLoopInPoint->get();
        int loopEnd = m_pLoopOutPoint->get();
        if (loopStart != -1 && loopEnd != -1 &&
            even(loopStart) && even(loopEnd) && loopStart <= loopEnd) {
            Cue* pLoopCue = NULL;
            QList<Cue*> cuePoints = m_pLoadedTrack->getCuePoints();
            QListIterator<Cue*> it(cuePoints);
            while (it.hasNext()) {
                Cue* pCue = it.next();
                if (pCue->getType() == Cue::LOOP) {
                    pLoopCue = pCue;
                }
            }
            if (!pLoopCue) {
                pLoopCue = m_pLoadedTrack->addCue();
                pLoopCue->setType(Cue::LOOP);
            }
            pLoopCue->setPosition(loopStart);
            pLoopCue->setLength(loopEnd - loopStart);
        }

        // WARNING: Never. Ever. call bare disconnect() on an object. Mixxx
        // relies on signals and slots to get tons of things done. Don't
        // randomly disconnect things.
        // m_pLoadedTrack->disconnect();
        disconnect(m_pLoadedTrack.data(), 0, m_pBPM, 0);
        disconnect(m_pLoadedTrack.data(), 0, this, 0);
        disconnect(m_pLoadedTrack.data(), 0, m_pKey, 0);

        m_pReplayGain->slotSet(0);

        // Causes the track's data to be saved back to the library database.
        emit(unloadingTrack(m_pLoadedTrack));
    }

    m_pLoadedTrack = track;

    // Listen for updates to the file's BPM
    connect(m_pLoadedTrack.data(), SIGNAL(bpmUpdated(double)),
            m_pBPM, SLOT(slotSet(double)));

    connect(m_pLoadedTrack.data(), SIGNAL(keyUpdated(double)),
            m_pKey, SLOT(slotSet(double)));

    // Listen for updates to the file's Replay Gain
    connect(m_pLoadedTrack.data(), SIGNAL(ReplayGainUpdated(double)),
            this, SLOT(slotSetReplayGain(double)));

    //Request a new track from the reader
    emit(loadTrack(track, bPlay));
}
开发者ID:Gussss,项目名称:mixxx,代码行数:63,代码来源:basetrackplayer.cpp

示例3: file

/** Upgrade from <= 1.7 library to 1.8 DB format */
void LegacyLibraryImporter::import() {
    // TODO(XXX) SETTINGS_PATH may change in new Mixxx Versions. Here we need
    // the SETTINGS_PATH from Mixxx V <= 1.7
    QString settingPath17 = QDir::homePath().append("/").append(SETTINGS_PATH);
    QString trackXML = settingPath17.append("mixxxtrack.xml");
    QFile file(trackXML);

    QDomDocument doc("TrackList");

    if(!file.open(QIODevice::ReadOnly)) {
        //qDebug() << "Could not import legacy 1.7 XML library: " << trackXML;
        return;
    }

    QString* errorMsg = NULL;
    int* errorLine = NULL;
    int* errorColumn = NULL;

    qDebug() << "Starting upgrade from 1.7 library...";

    QHash<int, QString> playlistHashTable; //Maps track indices onto track locations
    QList<LegacyPlaylist> legacyPlaylists; // <= 1.7 playlists

    if (doc.setContent(&file, false, errorMsg, errorLine, errorColumn)) {

        QDomNodeList playlistList = doc.elementsByTagName("Playlist");
        QDomNode playlist;
        for (int i = 0; i < playlistList.size(); i++) {
            LegacyPlaylist legPlaylist;
            playlist = playlistList.at(i);

            QString name = playlist.firstChildElement("Name").text();

            legPlaylist.name = name;

            //Store the IDs in the hash table so we can map them to track locations later,
            //and also store them in-order in a temporary playlist struct.
            QDomElement listNode = playlist.firstChildElement("List").toElement();
            QDomNodeList trackIDs = listNode.elementsByTagName("Id");
            for (int j = 0; j < trackIDs.size(); j++) {
                int id = trackIDs.at(j).toElement().text().toInt();
                if (!playlistHashTable.contains(id))
                    playlistHashTable.insert(id, "");
                legPlaylist.indexes.push_back(id); //Save this track id.
            }
            //Save this playlist in our list.
            legacyPlaylists.push_back(legPlaylist);
        }

        QDomNodeList trackList = doc.elementsByTagName("Track");
        QDomNode track;

        for (int i = 0; i < trackList.size(); i++) {
            //blah, can't figure out how to use an iterator with QDomNodeList
            track = trackList.at(i);
            TrackInfoObject trackInfo17(track);
            //Only add the track to the DB if the file exists on disk,
            //because Mixxx <= 1.7 had no logic to deal with detecting deleted
            //files.

            if (trackInfo17.exists()) {
                //Create a TrackInfoObject by directly parsing
                //the actual MP3/OGG/whatever because 1.7 didn't parse
                //genre and album tags (so the imported TIO doesn't have
                //those fields).
                emit(progress("Upgrading Mixxx 1.7 Library: " + trackInfo17.getTitle()));

                // Read the metadata we couldn't support in <1.8 from file.
                QFileInfo fileInfo(trackInfo17.getLocation());
                //Ensure we have the absolute file path stored
                trackInfo17.setLocation(fileInfo.absoluteFilePath());
                TrackInfoObject trackInfoNew(trackInfo17.getLocation());
                trackInfo17.setGenre(trackInfoNew.getGenre());
                trackInfo17.setAlbum(trackInfoNew.getAlbum());
                trackInfo17.setYear(trackInfoNew.getYear());
                trackInfo17.setType(trackInfoNew.getType());
                trackInfo17.setTrackNumber(trackInfoNew.getTrackNumber());
                trackInfo17.setKeys(trackInfoNew.getKeys());
                trackInfo17.setHeaderParsed(true);

                // Import the track's saved cue point if it is non-zero.
                float fCuePoint = trackInfo17.getCuePoint();
                if (fCuePoint != 0.0f) {
                    Cue* pCue = trackInfo17.addCue();
                    pCue->setType(Cue::CUE);
                    pCue->setPosition(fCuePoint);
                }

                // Provide a no-op deleter b/c this Track is on the stack.
                TrackPointer pTrack(&trackInfo17, &doNothing);
                m_trackDao.saveTrack(pTrack);

                //Check if this track is used in a playlist anywhere. If it is, save the
                //track location. (The "id" of a track in 1.8 is a database index, so it's totally
                //different. Using the track location is the best way for us to identify the song.)
                int id = trackInfo17.getId();
                if (playlistHashTable.contains(id))
                    playlistHashTable[id] = trackInfo17.getLocation();
            }
//.........这里部分代码省略.........
开发者ID:dk0104,项目名称:mixxx,代码行数:101,代码来源:legacylibraryimporter.cpp

示例4: it

void BaseTrackPlayerImpl::slotFinishLoading(TrackPointer pTrackInfoObject)
{
    m_replaygainPending = false;
    // Read the tags if required
    if (!m_pLoadedTrack->getHeaderParsed()) {
        m_pLoadedTrack->parse(false);
    }

    // m_pLoadedTrack->setPlayedAndUpdatePlaycount(true); // Actually the song is loaded but not played

    // Update the BPM and duration values that are stored in ControlObjects
    m_pDuration->set(m_pLoadedTrack->getDuration());
    m_pBPM->slotSet(m_pLoadedTrack->getBpm());
    m_pKey->slotSet(m_pLoadedTrack->getKey());
    m_pReplayGain->slotSet(m_pLoadedTrack->getReplayGain());

    // Update the PlayerInfo class that is used in EngineShoutcast to replace
    // the metadata of a stream
    PlayerInfo::instance().setTrackInfo(getGroup(), m_pLoadedTrack);

    // Reset the loop points.
    m_pLoopInPoint->slotSet(-1);
    m_pLoopOutPoint->slotSet(-1);

    const QList<Cue*> trackCues = pTrackInfoObject->getCuePoints();
    QListIterator<Cue*> it(trackCues);
    while (it.hasNext()) {
        Cue* pCue = it.next();
        if (pCue->getType() == Cue::LOOP) {
            int loopStart = pCue->getPosition();
            int loopEnd = loopStart + pCue->getLength();
            if (loopStart != -1 && loopEnd != -1 && even(loopStart) && even(loopEnd)) {
                m_pLoopInPoint->slotSet(loopStart);
                m_pLoopOutPoint->slotSet(loopEnd);
                break;
            }
        }
    }
    if(m_pConfig->getValueString(ConfigKey("[Mixer Profile]", "EqAutoReset"), 0).toInt()) {
        if (m_pLowFilter != NULL) {
            m_pLowFilter->set(1.0);
        }
        if (m_pMidFilter != NULL) {
            m_pMidFilter->set(1.0);
        }
        if (m_pHighFilter != NULL) {
            m_pHighFilter->set(1.0);
        }
        if (m_pLowFilterKill != NULL) {
            m_pLowFilterKill->set(0.0);
        }
        if (m_pMidFilterKill != NULL) {
            m_pMidFilterKill->set(0.0);
        }
        if (m_pHighFilterKill != NULL) {
            m_pHighFilterKill->set(0.0);
        }
        m_pPreGain->set(1.0);
    }
    int reset = m_pConfig->getValueString(ConfigKey(
            "[Controls]", "SpeedAutoReset"),
            QString("%1").arg(RESET_PITCH)).toInt();
    switch (reset) {
      case RESET_PITCH_AND_SPEED:
        // Note: speed may affect pitch
        if (m_pSpeed != NULL) {
            m_pSpeed->set(0.0);
        }
        // Fallthrough intended
      case RESET_PITCH:
        if (m_pPitchAdjust != NULL) {
            m_pPitchAdjust->set(0.0);
        }
    }
    emit(newTrackLoaded(m_pLoadedTrack));
}
开发者ID:AndreiRO,项目名称:mixxx,代码行数:76,代码来源:basetrackplayer.cpp

示例5: QVERIFY

void CueStack_Test::postRun()
{
    QLCFixtureDef* def = m_doc->fixtureDefCache()->fixtureDef("Futurelight", "DJScan250");
    QVERIFY(def != NULL);

    QLCFixtureMode* mode = def->modes().first();
    QVERIFY(mode != NULL);

    Fixture* fxi = new Fixture(m_doc);
    fxi->setFixtureDefinition(def, mode);
    fxi->setName("Test Scanner");
    fxi->setAddress(10);
    fxi->setUniverse(0);
    m_doc->addFixture(fxi);

    MasterTimer mt(m_doc);
    QList<Universe*> ua;
    ua.append(new Universe(0, new GrandMaster()));
    CueStack cs(m_doc);
    cs.setFadeInSpeed(100);
    cs.setFadeOutSpeed(200);
    cs.setDuration(300);

    Cue cue;
    cue.setName("One");
    cue.setValue(0, 255);
    cue.setValue(1, 255);
    cue.setValue(500, 255);
    cue.setValue(10, 255); // LTP
    cue.setValue(11, 255); // LTP
    cs.appendCue(cue);

    cue = Cue();

    cue.setName("Two");
    cue.setValue(500, 255);
    cue.setValue(3, 255);
    cue.setValue(4, 255);
    cue.setValue(11, 255); // LTP
    cs.appendCue(cue);

    cs.preRun();

    // Switch to cue one
    cs.switchCue(-1, 0, ua);
    QCOMPARE(cs.m_fader->channels().size(), 5);

    QSignalSpy cueSpy(&cs, SIGNAL(currentCueChanged(int)));
    QSignalSpy stopSpy(&cs, SIGNAL(stopped()));

    cs.postRun(&mt);
    QCOMPARE(cs.m_fader, (GenericFader*) NULL);
    QCOMPARE(cs.m_currentIndex, -1);
    QCOMPARE(cueSpy.size(), 1);
    QCOMPARE(cueSpy.at(0).size(), 1);
    QCOMPARE(cueSpy.at(0).at(0).toInt(), -1);
    QCOMPARE(stopSpy.size(), 1);

    // Only HTP channels go to MasterTimer's GenericFader
    QCOMPARE(mt.m_fader->channels().size(), 3);
    FadeChannel fc;
    fc.setChannel(0);
    QCOMPARE(mt.m_fader->channels().contains(fc), true);
    fc.setChannel(1);
    QCOMPARE(mt.m_fader->channels().contains(fc), true);
    fc.setChannel(500);
    QCOMPARE(mt.m_fader->channels().contains(fc), true);
}
开发者ID:ChrisLaurie,项目名称:qlcplus,代码行数:68,代码来源:cuestack_test.cpp

示例6: TEST

TEST(CueSettings,EmptyCue)
{
  // Avoid using references to const values in EXPECT_EQ statements
  const Cue::Align defaultAlign = Cue::defaultAlign;
  const int defaultLine = Cue::defaultLine;
  const int defaultPosition = Cue::defaultPosition;
  const int defaultSize = Cue::defaultSize;
  const bool defaultSnapToLines = Cue::defaultSnapToLines;
  const Cue::Vertical defaultVertical = Cue::defaultVertical;

  // Trying to set empty cue settings should always fail
  Cue cue;

  // Id
  cue.setId("Phnglui mglw nafh Cthulhu R'lyeh wgah nagl fhtagn");
  EXPECT_STREQ("", cue.id());

  // Text
  cue.setText("Phnglui mglw nafh Cthulhu R'lyeh wgah nagl fhtagn");
  EXPECT_STREQ("", cue.text());

  // StartTime
  cue.setStartTime(68.067);
  EXPECT_EQ(MalformedTimestamp, cue.startTime());

  // EndTime
  cue.setEndTime(98.678);
  EXPECT_EQ(MalformedTimestamp, cue.endTime());

  // Align
  EXPECT_FALSE(cue.setAlign(Cue::Start));
  EXPECT_FALSE(cue.setAlign(Cue::Middle));
  EXPECT_FALSE(cue.setAlign(Cue::End));
  EXPECT_FALSE(cue.setAlign(Cue::Left));
  EXPECT_FALSE(cue.setAlign(Cue::Right));
  EXPECT_FALSE(cue.setAlign("start"));
  EXPECT_FALSE(cue.setAlign("middle"));
  EXPECT_FALSE(cue.setAlign("end"));
  EXPECT_FALSE(cue.setAlign("left"));
  EXPECT_FALSE(cue.setAlign("right"));
  EXPECT_EQ(defaultAlign,cue.align());

  // Line
  EXPECT_FALSE(cue.setLine(0, false));
  EXPECT_FALSE(cue.setLine(0, false));
  EXPECT_FALSE(cue.setLine(-101, true));
  EXPECT_FALSE(cue.setLine(101, true));
  EXPECT_FALSE(cue.setLine("0%"));
  EXPECT_FALSE(cue.setLine("100%"));
  EXPECT_FALSE(cue.setLine("-101"));
  EXPECT_FALSE(cue.setLine("1001"));
  EXPECT_EQ(defaultLine, cue.line());
  EXPECT_EQ(defaultSnapToLines, cue.snapToLines());

  // Position
  EXPECT_FALSE(cue.setPosition(0));
  EXPECT_FALSE(cue.setPosition(100));
  EXPECT_FALSE(cue.setPosition("0%"));
  EXPECT_FALSE(cue.setPosition("100%"));
  EXPECT_EQ(defaultPosition, cue.position());

  // Size
  EXPECT_FALSE(cue.setSize(0));
  EXPECT_FALSE(cue.setSize(100));
  EXPECT_FALSE(cue.setSize("0%"));
  EXPECT_FALSE(cue.setSize("100%"));
  EXPECT_EQ(defaultSize, cue.size());

  // Vertical
  EXPECT_FALSE(cue.setVertical(Cue::Horizontal));
  EXPECT_FALSE(cue.setVertical(Cue::VerticalLeftToRight));
  EXPECT_FALSE(cue.setVertical(Cue::VerticalRightToLeft));
  EXPECT_FALSE(cue.setVertical(""));
  EXPECT_FALSE(cue.setVertical("lr"));
  EXPECT_FALSE(cue.setVertical("rl"));
  EXPECT_EQ(defaultVertical, cue.vertical());
}
开发者ID:caitp,项目名称:TimedText,代码行数:77,代码来源:TestCueSettings.cpp


注:本文中的Cue类示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台,相关代码片段筛选自各路编程大神贡献的开源项目,源码版权归原作者所有,传播和使用请参考对应项目的License;未经允许,请勿转载。