Mercurial > hg > svcore
diff data/fileio/MIDIFileReader.cpp @ 1429:48e9f538e6e9
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| author | Chris Cannam |
|---|---|
| date | Thu, 01 Mar 2018 18:02:22 +0000 |
| parents | 39271c98cbdd |
| children | cee1be4fb8c1 |
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--- a/data/fileio/MIDIFileReader.cpp Thu Mar 01 14:43:40 2018 +0000 +++ b/data/fileio/MIDIFileReader.cpp Thu Mar 01 18:02:22 2018 +0000 @@ -58,7 +58,7 @@ MIDIFileReader::MIDIFileReader(QString path, MIDIFileImportPreferenceAcquirer *acquirer, - sv_samplerate_t mainModelSampleRate) : + sv_samplerate_t mainModelSampleRate) : m_smpte(false), m_timingDivision(0), m_fps(0), @@ -74,21 +74,21 @@ m_acquirer(acquirer) { if (parseFile()) { - m_error = ""; + m_error = ""; } } MIDIFileReader::~MIDIFileReader() { for (MIDIComposition::iterator i = m_midiComposition.begin(); - i != m_midiComposition.end(); ++i) { - - for (MIDITrack::iterator j = i->second.begin(); - j != i->second.end(); ++j) { - delete *j; - } + i != m_midiComposition.end(); ++i) { + + for (MIDITrack::iterator j = i->second.begin(); + j != i->second.end(); ++j) { + delete *j; + } - i->second.clear(); + i->second.clear(); } m_midiComposition.clear(); @@ -110,7 +110,7 @@ MIDIFileReader::midiBytesToLong(const string& bytes) { if (bytes.length() != 4) { - throw MIDIException(tr("Wrong length for long data in MIDI stream (%1, should be %2)").arg(bytes.length()).arg(4)); + throw MIDIException(tr("Wrong length for long data in MIDI stream (%1, should be %2)").arg(bytes.length()).arg(4)); } long longRet = ((long)(((MIDIByte)bytes[0]) << 24)) | @@ -125,7 +125,7 @@ MIDIFileReader::midiBytesToInt(const string& bytes) { if (bytes.length() != 2) { - throw MIDIException(tr("Wrong length for int data in MIDI stream (%1, should be %2)").arg(bytes.length()).arg(2)); + throw MIDIException(tr("Wrong length for int data in MIDI stream (%1, should be %2)").arg(bytes.length()).arg(2)); } int intRet = ((int)(((MIDIByte)bytes[0]) << 8)) | @@ -142,7 +142,7 @@ MIDIFileReader::getMIDIByte() { if (!m_midiFile) { - throw MIDIException(tr("getMIDIByte called but no MIDI file open")); + throw MIDIException(tr("getMIDIByte called but no MIDI file open")); } if (m_midiFile->eof()) { @@ -155,8 +155,8 @@ char byte; if (m_midiFile->read(&byte, 1)) { - --m_trackByteCount; - return (MIDIByte)byte; + --m_trackByteCount; + return (MIDIByte)byte; } throw MIDIException(tr("Attempt to read past MIDI file end")); @@ -171,7 +171,7 @@ MIDIFileReader::getMIDIBytes(unsigned long numberOfBytes) { if (!m_midiFile) { - throw MIDIException(tr("getMIDIBytes called but no MIDI file open")); + throw MIDIException(tr("getMIDIBytes called but no MIDI file open")); } if (m_midiFile->eof()) { @@ -212,27 +212,27 @@ MIDIFileReader::getNumberFromMIDIBytes(int firstByte) { if (!m_midiFile) { - throw MIDIException(tr("getNumberFromMIDIBytes called but no MIDI file open")); + throw MIDIException(tr("getNumberFromMIDIBytes called but no MIDI file open")); } long longRet = 0; MIDIByte midiByte; if (firstByte >= 0) { - midiByte = (MIDIByte)firstByte; + midiByte = (MIDIByte)firstByte; } else if (m_midiFile->eof()) { - return longRet; + return longRet; } else { - midiByte = getMIDIByte(); + midiByte = getMIDIByte(); } longRet = midiByte; if (midiByte & 0x80) { - longRet &= 0x7F; - do { - midiByte = getMIDIByte(); - longRet = (longRet << 7) + (midiByte & 0x7F); - } while (!m_midiFile->eof() && (midiByte & 0x80)); + longRet &= 0x7F; + do { + midiByte = getMIDIByte(); + longRet = (longRet << 7) + (midiByte & 0x7F); + } while (!m_midiFile->eof() && (midiByte & 0x80)); } return longRet; @@ -246,7 +246,7 @@ MIDIFileReader::skipToNextTrack() { if (!m_midiFile) { - throw MIDIException(tr("skipToNextTrack called but no MIDI file open")); + throw MIDIException(tr("skipToNextTrack called but no MIDI file open")); } string buffer, buffer2; @@ -255,10 +255,10 @@ while (!m_midiFile->eof() && (m_decrementCount == false)) { buffer = getMIDIBytes(4); - if (buffer.compare(0, 4, MIDI_TRACK_HEADER) == 0) { - m_trackByteCount = midiBytesToLong(getMIDIBytes(4)); - m_decrementCount = true; - } + if (buffer.compare(0, 4, MIDI_TRACK_HEADER) == 0) { + m_trackByteCount = midiBytesToLong(getMIDIBytes(4)); + m_decrementCount = true; + } } if (m_trackByteCount == -1) { // we haven't found a track @@ -284,77 +284,77 @@ // Open the file m_midiFile = new ifstream(m_path.toLocal8Bit().data(), - ios::in | ios::binary); + ios::in | ios::binary); if (!*m_midiFile) { - m_error = "File not found or not readable."; - m_format = MIDI_FILE_BAD_FORMAT; - delete m_midiFile; + m_error = "File not found or not readable."; + m_format = MIDI_FILE_BAD_FORMAT; + delete m_midiFile; m_midiFile = 0; - return false; + return false; } bool retval = false; try { - // Set file size so we can count it off - // - m_midiFile->seekg(0, ios::end); + // Set file size so we can count it off + // + m_midiFile->seekg(0, ios::end); std::streamoff off = m_midiFile->tellg(); - m_fileSize = 0; + m_fileSize = 0; if (off > 0) m_fileSize = off; - m_midiFile->seekg(0, ios::beg); + m_midiFile->seekg(0, ios::beg); - // Parse the MIDI header first. The first 14 bytes of the file. - if (!parseHeader(getMIDIBytes(14))) { - m_format = MIDI_FILE_BAD_FORMAT; - m_error = "Not a MIDI file."; - goto done; - } + // Parse the MIDI header first. The first 14 bytes of the file. + if (!parseHeader(getMIDIBytes(14))) { + m_format = MIDI_FILE_BAD_FORMAT; + m_error = "Not a MIDI file."; + goto done; + } - unsigned int i = 0; + unsigned int i = 0; - for (unsigned int j = 0; j < m_numberOfTracks; ++j) { + for (unsigned int j = 0; j < m_numberOfTracks; ++j) { #ifdef MIDI_DEBUG - SVDEBUG << "Parsing Track " << j << endl; + SVDEBUG << "Parsing Track " << j << endl; #endif - if (!skipToNextTrack()) { + if (!skipToNextTrack()) { #ifdef MIDI_DEBUG - SVDEBUG << "Couldn't find Track " << j << endl; + SVDEBUG << "Couldn't find Track " << j << endl; #endif - m_error = "File corrupted or in non-standard format?"; - m_format = MIDI_FILE_BAD_FORMAT; - goto done; - } + m_error = "File corrupted or in non-standard format?"; + m_format = MIDI_FILE_BAD_FORMAT; + goto done; + } #ifdef MIDI_DEBUG - SVDEBUG << "Track has " << m_trackByteCount << " bytes" << endl; + SVDEBUG << "Track has " << m_trackByteCount << " bytes" << endl; #endif - // Run through the events taking them into our internal - // representation. - if (!parseTrack(i)) { + // Run through the events taking them into our internal + // representation. + if (!parseTrack(i)) { #ifdef MIDI_DEBUG - SVDEBUG << "Track " << j << " parsing failed" << endl; + SVDEBUG << "Track " << j << " parsing failed" << endl; #endif - m_error = "File corrupted or in non-standard format?"; - m_format = MIDI_FILE_BAD_FORMAT; - goto done; - } + m_error = "File corrupted or in non-standard format?"; + m_format = MIDI_FILE_BAD_FORMAT; + goto done; + } - ++i; // j is the source track number, i the destination - } - - m_numberOfTracks = i; - retval = true; + ++i; // j is the source track number, i the destination + } + + m_numberOfTracks = i; + retval = true; } catch (MIDIException e) { SVDEBUG << "MIDIFileReader::open() - caught exception - " << e.what() << endl; - m_error = e.what(); + m_error = e.what(); } done: @@ -367,7 +367,7 @@ // start. The addTime method returns the sum of the current // MIDI Event delta time plus the argument. - unsigned long acc = 0; + unsigned long acc = 0; for (MIDITrack::iterator i = m_midiComposition[track].begin(); i != m_midiComposition[track].end(); ++i) { @@ -375,8 +375,8 @@ } if (consolidateNoteOffEvents(track)) { // returns true if some notes exist - m_loadableTracks.insert(track); - } + m_loadableTracks.insert(track); + } } for (unsigned int track = 0; track < m_numberOfTracks; ++track) { @@ -402,18 +402,18 @@ if (midiHeader.compare(0, 4, MIDI_FILE_HEADER) != 0) { #ifdef MIDI_DEBUG - SVDEBUG << "MIDIFileReader::parseHeader()" - << "- file header not found or malformed" - << endl; + SVDEBUG << "MIDIFileReader::parseHeader()" + << "- file header not found or malformed" + << endl; #endif - return false; + return false; } if (midiBytesToLong(midiHeader.substr(4,4)) != 6L) { #ifdef MIDI_DEBUG SVDEBUG << "MIDIFileReader::parseHeader()" - << " - header length incorrect" - << endl; + << " - header length incorrect" + << endl; #endif return false; } @@ -474,18 +474,18 @@ while (!m_midiFile->eof() && (m_trackByteCount > 0)) { - if (eventCode < 0x80) { + if (eventCode < 0x80) { #ifdef MIDI_DEBUG - SVDEBUG << "WARNING: Invalid event code " << eventCode - << " in MIDI file" << endl; + SVDEBUG << "WARNING: Invalid event code " << eventCode + << " in MIDI file" << endl; #endif - throw MIDIException(tr("Invalid event code %1 found").arg(int(eventCode))); - } + throw MIDIException(tr("Invalid event code %1 found").arg(int(eventCode))); + } deltaTime = getNumberFromMIDIBytes(); #ifdef MIDI_DEBUG - SVDEBUG << "read delta time " << deltaTime << endl; + SVDEBUG << "read delta time " << deltaTime << endl; #endif // Get a single byte @@ -493,72 +493,72 @@ if (!(midiByte & MIDI_STATUS_BYTE_MASK)) { - if (runningStatus < 0) { - throw MIDIException(tr("Running status used for first event in track")); - } + if (runningStatus < 0) { + throw MIDIException(tr("Running status used for first event in track")); + } - eventCode = (MIDIByte)runningStatus; - data1 = midiByte; + eventCode = (MIDIByte)runningStatus; + data1 = midiByte; #ifdef MIDI_DEBUG - SVDEBUG << "using running status (byte " << int(midiByte) << " found)" << endl; + SVDEBUG << "using running status (byte " << int(midiByte) << " found)" << endl; #endif } else { #ifdef MIDI_DEBUG - SVDEBUG << "have new event code " << int(midiByte) << endl; + SVDEBUG << "have new event code " << int(midiByte) << endl; #endif eventCode = midiByte; - data1 = getMIDIByte(); - } + data1 = getMIDIByte(); + } if (eventCode == MIDI_FILE_META_EVENT) { - metaEventCode = data1; + metaEventCode = data1; messageLength = getNumberFromMIDIBytes(); //#ifdef MIDI_DEBUG - SVDEBUG << "Meta event of type " << int(metaEventCode) << " and " << messageLength << " bytes found, putting on track " << metaTrack << endl; + SVDEBUG << "Meta event of type " << int(metaEventCode) << " and " << messageLength << " bytes found, putting on track " << metaTrack << endl; //#endif metaMessage = getMIDIBytes(messageLength); - long gap = accumulatedTime - trackTimeMap[metaTrack]; - accumulatedTime += deltaTime; - deltaTime += gap; - trackTimeMap[metaTrack] = accumulatedTime; + long gap = accumulatedTime - trackTimeMap[metaTrack]; + accumulatedTime += deltaTime; + deltaTime += gap; + trackTimeMap[metaTrack] = accumulatedTime; MIDIEvent *e = new MIDIEvent(deltaTime, MIDI_FILE_META_EVENT, metaEventCode, metaMessage); - m_midiComposition[metaTrack].push_back(e); + m_midiComposition[metaTrack].push_back(e); - if (metaEventCode == MIDI_TRACK_NAME) { - m_trackNames[metaTrack] = metaMessage.c_str(); - } + if (metaEventCode == MIDI_TRACK_NAME) { + m_trackNames[metaTrack] = metaMessage.c_str(); + } } else { // non-meta events - runningStatus = eventCode; + runningStatus = eventCode; MIDIEvent *midiEvent; - int channel = (eventCode & MIDI_CHANNEL_NUM_MASK); - if (channelTrackMap[channel] == -1) { - if (!firstTrack) ++lastTrackNum; - else firstTrack = false; - channelTrackMap[channel] = lastTrackNum; - } + int channel = (eventCode & MIDI_CHANNEL_NUM_MASK); + if (channelTrackMap[channel] == -1) { + if (!firstTrack) ++lastTrackNum; + else firstTrack = false; + channelTrackMap[channel] = lastTrackNum; + } - unsigned int trackNum = channelTrackMap[channel]; - - // accumulatedTime is abs time of last event on any track; - // trackTimeMap[trackNum] is that of last event on this track - - long gap = accumulatedTime - trackTimeMap[trackNum]; - accumulatedTime += deltaTime; - deltaTime += gap; - trackTimeMap[trackNum] = accumulatedTime; + unsigned int trackNum = channelTrackMap[channel]; + + // accumulatedTime is abs time of last event on any track; + // trackTimeMap[trackNum] is that of last event on this track + + long gap = accumulatedTime - trackTimeMap[trackNum]; + accumulatedTime += deltaTime; + deltaTime += gap; + trackTimeMap[trackNum] = accumulatedTime; switch (eventCode & MIDI_MESSAGE_TYPE_MASK) { @@ -572,17 +572,17 @@ midiEvent = new MIDIEvent(deltaTime, eventCode, data1, data2); /* - SVDEBUG << "MIDI event for channel " << channel << " (track " - << trackNum << ")" << endl; - midiEvent->print(); + SVDEBUG << "MIDI event for channel " << channel << " (track " + << trackNum << ")" << endl; + midiEvent->print(); */ m_midiComposition[trackNum].push_back(midiEvent); - if (midiEvent->getChannelNumber() == MIDI_PERCUSSION_CHANNEL) { - m_percussionTracks.insert(trackNum); - } + if (midiEvent->getChannelNumber() == MIDI_PERCUSSION_CHANNEL) { + m_percussionTracks.insert(trackNum); + } break; @@ -605,7 +605,7 @@ messageLength = getNumberFromMIDIBytes(data1); #ifdef MIDI_DEBUG - SVDEBUG << "SysEx of " << messageLength << " bytes found" << endl; + SVDEBUG << "SysEx of " << messageLength << " bytes found" << endl; #endif metaMessage= getMIDIBytes(messageLength); @@ -644,10 +644,10 @@ } if (lastTrackNum > metaTrack) { - for (unsigned int track = metaTrack + 1; track <= lastTrackNum; ++track) { - m_trackNames[track] = QString("%1 <%2>") - .arg(m_trackNames[metaTrack]).arg(track - metaTrack + 1); - } + for (unsigned int track = metaTrack + 1; track <= lastTrackNum; ++track) { + m_trackNames[track] = QString("%1 <%2>") + .arg(m_trackNames[metaTrack]).arg(track - metaTrack + 1); + } } return true; @@ -664,18 +664,18 @@ bool noteOffFound; for (MIDITrack::iterator i = m_midiComposition[track].begin(); - i != m_midiComposition[track].end(); i++) { + i != m_midiComposition[track].end(); i++) { if ((*i)->getMessageType() == MIDI_NOTE_ON && (*i)->getVelocity() > 0) { - notesOnTrack = true; + notesOnTrack = true; noteOffFound = false; for (MIDITrack::iterator j = i; - j != m_midiComposition[track].end(); j++) { + j != m_midiComposition[track].end(); j++) { if (((*j)->getChannelNumber() == (*i)->getChannelNumber()) && - ((*j)->getPitch() == (*i)->getPitch()) && + ((*j)->getPitch() == (*i)->getPitch()) && ((*j)->getMessageType() == MIDI_NOTE_OFF || ((*j)->getMessageType() == MIDI_NOTE_ON && (*j)->getVelocity() == 0x00))) { @@ -694,10 +694,10 @@ // Event duration to length of track // if (!noteOffFound) { - MIDITrack::iterator j = m_midiComposition[track].end(); - --j; + MIDITrack::iterator j = m_midiComposition[track].end(); + --j; (*i)->setDuration((*j)->getTime() - (*i)->getTime()); - } + } } } @@ -712,24 +712,24 @@ SVDEBUG << "updateTempoMap for track " << track << " (" << m_midiComposition[track].size() << " events)" << endl; for (MIDITrack::iterator i = m_midiComposition[track].begin(); - i != m_midiComposition[track].end(); ++i) { + i != m_midiComposition[track].end(); ++i) { if ((*i)->isMeta() && - (*i)->getMetaEventCode() == MIDI_SET_TEMPO) { + (*i)->getMetaEventCode() == MIDI_SET_TEMPO) { - MIDIByte m0 = (*i)->getMetaMessage()[0]; - MIDIByte m1 = (*i)->getMetaMessage()[1]; - MIDIByte m2 = (*i)->getMetaMessage()[2]; - - long tempo = (((m0 << 8) + m1) << 8) + m2; + MIDIByte m0 = (*i)->getMetaMessage()[0]; + MIDIByte m1 = (*i)->getMetaMessage()[1]; + MIDIByte m2 = (*i)->getMetaMessage()[2]; + + long tempo = (((m0 << 8) + m1) << 8) + m2; - SVDEBUG << "updateTempoMap: have tempo, it's " << tempo << " at " << (*i)->getTime() << endl; + SVDEBUG << "updateTempoMap: have tempo, it's " << tempo << " at " << (*i)->getTime() << endl; - if (tempo != 0) { - double qpm = 60000000.0 / double(tempo); - m_tempoMap[(*i)->getTime()] = - TempoChange(RealTime::zeroTime, qpm); - } + if (tempo != 0) { + double qpm = 60000000.0 / double(tempo); + m_tempoMap[(*i)->getTime()] = + TempoChange(RealTime::zeroTime, qpm); + } } } } @@ -744,19 +744,19 @@ if (td == 0) td = 96; for (TempoMap::iterator i = m_tempoMap.begin(); i != m_tempoMap.end(); ++i) { - - unsigned long mtime = i->first; - unsigned long melapsed = mtime - lastMIDITime; - double quarters = double(melapsed) / double(td); - double seconds = (60.0 * quarters) / tempo; + + unsigned long mtime = i->first; + unsigned long melapsed = mtime - lastMIDITime; + double quarters = double(melapsed) / double(td); + double seconds = (60.0 * quarters) / tempo; - RealTime t = lastRealTime + RealTime::fromSeconds(seconds); + RealTime t = lastRealTime + RealTime::fromSeconds(seconds); - i->second.first = t; + i->second.first = t; - lastRealTime = t; - lastMIDITime = mtime; - tempo = i->second.second; + lastRealTime = t; + lastMIDITime = mtime; + tempo = i->second.second; } } @@ -769,10 +769,10 @@ TempoMap::const_iterator i = m_tempoMap.lower_bound(midiTime); if (i != m_tempoMap.begin()) { - --i; - tempoMIDITime = i->first; - tempoRealTime = i->second.first; - tempo = i->second.second; + --i; + tempoMIDITime = i->first; + tempoRealTime = i->second.first; + tempo = i->second.second; } int td = m_timingDivision; @@ -784,10 +784,10 @@ /* SVDEBUG << "MIDIFileReader::getTimeForMIDITime(" << midiTime << ")" - << endl; + << endl; SVDEBUG << "timing division = " << td << endl; SVDEBUG << "nearest tempo event (of " << m_tempoMap.size() << ") is at " << tempoMIDITime << " (" - << tempoRealTime << ")" << endl; + << tempoRealTime << ")" << endl; SVDEBUG << "quarters since then = " << quarters << endl; SVDEBUG << "tempo = " << tempo << " quarters per minute" << endl; SVDEBUG << "seconds since then = " << seconds << endl; @@ -807,40 +807,40 @@ m_acquirer->showError (tr("MIDI file \"%1\" has no notes in any track").arg(m_path)); } - return 0; + return 0; } std::set<unsigned int> tracksToLoad; if (m_loadableTracks.size() == 1) { - tracksToLoad.insert(*m_loadableTracks.begin()); + tracksToLoad.insert(*m_loadableTracks.begin()); } else { QStringList displayNames; - for (set<unsigned int>::iterator i = m_loadableTracks.begin(); - i != m_loadableTracks.end(); ++i) { + for (set<unsigned int>::iterator i = m_loadableTracks.begin(); + i != m_loadableTracks.end(); ++i) { - unsigned int trackNo = *i; - QString label; + unsigned int trackNo = *i; + QString label; - QString perc; - if (m_percussionTracks.find(trackNo) != m_percussionTracks.end()) { - perc = tr(" - uses GM percussion channel"); - } + QString perc; + if (m_percussionTracks.find(trackNo) != m_percussionTracks.end()) { + perc = tr(" - uses GM percussion channel"); + } - if (m_trackNames.find(trackNo) != m_trackNames.end()) { - label = tr("Track %1 (%2)%3") - .arg(trackNo).arg(m_trackNames.find(trackNo)->second) - .arg(perc); - } else { - label = tr("Track %1 (untitled)%3").arg(trackNo).arg(perc); - } + if (m_trackNames.find(trackNo) != m_trackNames.end()) { + label = tr("Track %1 (%2)%3") + .arg(trackNo).arg(m_trackNames.find(trackNo)->second) + .arg(perc); + } else { + label = tr("Track %1 (untitled)%3").arg(trackNo).arg(perc); + } displayNames << label; - } + } QString singleTrack; @@ -866,28 +866,28 @@ for (set<unsigned int>::iterator i = m_loadableTracks.begin(); i != m_loadableTracks.end(); ++i) { - if (pref == MIDIFileImportPreferenceAcquirer::MergeAllTracks || - m_percussionTracks.find(*i) == m_percussionTracks.end()) { + if (pref == MIDIFileImportPreferenceAcquirer::MergeAllTracks || + m_percussionTracks.find(*i) == m_percussionTracks.end()) { - tracksToLoad.insert(*i); - } - } + tracksToLoad.insert(*i); + } + } - } else { - - int j = 0; + } else { + + int j = 0; - for (set<unsigned int>::iterator i = m_loadableTracks.begin(); - i != m_loadableTracks.end(); ++i) { - - if (singleTrack == displayNames[j]) { - tracksToLoad.insert(*i); - break; - } - - ++j; - } - } + for (set<unsigned int>::iterator i = m_loadableTracks.begin(); + i != m_loadableTracks.end(); ++i) { + + if (singleTrack == displayNames[j]) { + tracksToLoad.insert(*i); + break; + } + + ++j; + } + } } if (tracksToLoad.empty()) return 0; @@ -896,18 +896,18 @@ Model *model = 0; for (std::set<unsigned int>::iterator i = tracksToLoad.begin(); - i != tracksToLoad.end(); ++i) { + i != tracksToLoad.end(); ++i) { - int minProgress = (100 * count) / n; - int progressAmount = 100 / n; + int minProgress = (100 * count) / n; + int progressAmount = 100 / n; - model = loadTrack(*i, model, minProgress, progressAmount); + model = loadTrack(*i, model, minProgress, progressAmount); - ++count; + ++count; } if (dynamic_cast<NoteModel *>(model)) { - dynamic_cast<NoteModel *>(model)->setCompletion(100); + dynamic_cast<NoteModel *>(model)->setCompletion(100); } return model; @@ -915,26 +915,26 @@ Model * MIDIFileReader::loadTrack(unsigned int trackToLoad, - Model *existingModel, - int minProgress, - int progressAmount) const + Model *existingModel, + int minProgress, + int progressAmount) const { if (m_midiComposition.find(trackToLoad) == m_midiComposition.end()) { - return 0; + return 0; } NoteModel *model = 0; if (existingModel) { - model = dynamic_cast<NoteModel *>(existingModel); - if (!model) { - SVDEBUG << "WARNING: MIDIFileReader::loadTrack: Existing model given, but it isn't a NoteModel -- ignoring it" << endl; - } + model = dynamic_cast<NoteModel *>(existingModel); + if (!model) { + SVDEBUG << "WARNING: MIDIFileReader::loadTrack: Existing model given, but it isn't a NoteModel -- ignoring it" << endl; + } } if (!model) { - model = new NoteModel(m_mainModelSampleRate, 1, 0.0, 0.0, false); - model->setValueQuantization(1.0); + model = new NoteModel(m_mainModelSampleRate, 1, 0.0, 0.0, false); + model->setValueQuantization(1.0); model->setObjectName(QFileInfo(m_path).fileName()); } @@ -956,54 +956,54 @@ rt = getTimeForMIDITime(midiTime); } - // We ignore most of these event types for now, though in - // theory some of the text ones could usefully be incorporated + // We ignore most of these event types for now, though in + // theory some of the text ones could usefully be incorporated - if ((*i)->isMeta()) { + if ((*i)->isMeta()) { - switch((*i)->getMetaEventCode()) { + switch((*i)->getMetaEventCode()) { - case MIDI_KEY_SIGNATURE: - // minorKey = (int((*i)->getMetaMessage()[1]) != 0); - sharpKey = (int((*i)->getMetaMessage()[0]) >= 0); - break; + case MIDI_KEY_SIGNATURE: + // minorKey = (int((*i)->getMetaMessage()[1]) != 0); + sharpKey = (int((*i)->getMetaMessage()[0]) >= 0); + break; - case MIDI_TEXT_EVENT: - case MIDI_LYRIC: - case MIDI_TEXT_MARKER: - case MIDI_COPYRIGHT_NOTICE: - case MIDI_TRACK_NAME: - // The text events that we could potentially use - break; + case MIDI_TEXT_EVENT: + case MIDI_LYRIC: + case MIDI_TEXT_MARKER: + case MIDI_COPYRIGHT_NOTICE: + case MIDI_TRACK_NAME: + // The text events that we could potentially use + break; - case MIDI_SET_TEMPO: - // Already dealt with in a separate pass previously - break; + case MIDI_SET_TEMPO: + // Already dealt with in a separate pass previously + break; - case MIDI_TIME_SIGNATURE: - // Not yet! - break; + case MIDI_TIME_SIGNATURE: + // Not yet! + break; - case MIDI_SEQUENCE_NUMBER: - case MIDI_CHANNEL_PREFIX_OR_PORT: - case MIDI_INSTRUMENT_NAME: - case MIDI_CUE_POINT: - case MIDI_CHANNEL_PREFIX: - case MIDI_SEQUENCER_SPECIFIC: - case MIDI_SMPTE_OFFSET: - default: - break; - } + case MIDI_SEQUENCE_NUMBER: + case MIDI_CHANNEL_PREFIX_OR_PORT: + case MIDI_INSTRUMENT_NAME: + case MIDI_CUE_POINT: + case MIDI_CHANNEL_PREFIX: + case MIDI_SEQUENCER_SPECIFIC: + case MIDI_SMPTE_OFFSET: + default: + break; + } - } else { + } else { - switch ((*i)->getMessageType()) { + switch ((*i)->getMessageType()) { - case MIDI_NOTE_ON: + case MIDI_NOTE_ON: if ((*i)->getVelocity() == 0) break; // effective note-off - else { - RealTime endRT; + else { + RealTime endRT; unsigned long endMidiTime = (*i)->getTime() + (*i)->getDuration(); if (m_smpte) { endRT = RealTime::frame2RealTime(endMidiTime, m_fps * m_subframes); @@ -1011,32 +1011,32 @@ endRT = getTimeForMIDITime(endMidiTime); } - long startFrame = RealTime::realTime2Frame - (rt, model->getSampleRate()); + long startFrame = RealTime::realTime2Frame + (rt, model->getSampleRate()); - long endFrame = RealTime::realTime2Frame - (endRT, model->getSampleRate()); + long endFrame = RealTime::realTime2Frame + (endRT, model->getSampleRate()); - QString pitchLabel = Pitch::getPitchLabel((*i)->getPitch(), - 0, - !sharpKey); + QString pitchLabel = Pitch::getPitchLabel((*i)->getPitch(), + 0, + !sharpKey); - QString noteLabel = tr("%1 - vel %2") - .arg(pitchLabel).arg(int((*i)->getVelocity())); + QString noteLabel = tr("%1 - vel %2") + .arg(pitchLabel).arg(int((*i)->getVelocity())); float level = float((*i)->getVelocity()) / 128.f; - Note note(startFrame, (*i)->getPitch(), - endFrame - startFrame, level, noteLabel); + Note note(startFrame, (*i)->getPitch(), + endFrame - startFrame, level, noteLabel); -// SVDEBUG << "Adding note " << startFrame << "," << (endFrame-startFrame) << " : " << int((*i)->getPitch()) << endl; +// SVDEBUG << "Adding note " << startFrame << "," << (endFrame-startFrame) << " : " << int((*i)->getPitch()) << endl; - model->addPoint(note); - break; - } + model->addPoint(note); + break; + } case MIDI_PITCH_BEND: - // I guess we could make some use of this... + // I guess we could make some use of this... break; case MIDI_NOTE_OFF: @@ -1050,11 +1050,11 @@ default: break; } - } + } - model->setCompletion(minProgress + - (count * progressAmount) / totalEvents); - ++count; + model->setCompletion(minProgress + + (count * progressAmount) / totalEvents); + ++count; } return model;