本文整理汇总了C++中Cue类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);
}
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));
}
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.........
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));
}
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);
}
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());
}