public boolean transform(ProgressListener progressListener) {
toneMap = toneMapFrame.getToneMap();
timeSet = toneMap.getTimeSet();
pitchSet = toneMap.getPitchSet();
timeRange = timeSet.getRange();
pitchRange = pitchSet.getRange();
pitchFreqSet = pitchSet.getFreqSet();
audioFTPower = new double[timeRange * (pitchRange + 1)];
int startSample = timeSet.getStartSample();
int endSample = timeSet.getEndSample();
int sampleLength = (int) Math.floor((endSample - startSample) / ((double) resolution));
double[] audioSamples = new double[sampleLength];
for (int i = 0; i < sampleLength; i++) {
audioSamples[i] = (double) audioData[startSample + i * resolution];
}
int sampleIndexSize =
(int) Math.floor((double) timeSet.getSampleIndexSize() / (double) resolution);
double dt = (double) resolution / sampleRate;
if (transformMode == TRANSFORM_MODE_JAVA) {
wavelet.convert(
audioFTPower,
audioSamples,
pitchFreqSet,
dt,
(double) pFactor,
(double) tFactor,
sampleIndexSize,
sampleLength,
pitchRange,
progressListener);
} else {
WaveletJNI waveletJNI = new WaveletJNI();
waveletJNI.waveletConvert(
audioFTPower,
audioSamples,
pitchFreqSet,
dt,
(double) pFactor,
(double) tFactor,
sampleIndexSize,
sampleLength,
pitchRange,
progressListener);
}
return true;
}
private boolean buildNoteSequence() {
noteSequence = new NoteSequence();
double quantizeBeatFactor = quantizeBeatSetting * 1000.0 * 60.0 / (double) getBPM();
double quantizeDurationFactor = quantizeDurationSetting * 1000.0 * 60.0 / (double) getBPM();
for (int i = 0; i < noteList.size(); i++) {
noteListElement = noteList.get(i);
if (noteListElement.underTone == true) {
continue;
}
note = noteListElement.note;
if (note < getLowPitch()) continue;
if (note > getHighPitch()) continue;
double startTime = (double) (noteListElement.startTime);
if (quantizeBeatFactor != 0.0)
startTime = Math.floor(startTime / quantizeBeatFactor) * quantizeBeatFactor;
long startTick = 1 + (long) (startTime * getTickRate() / 1000.0);
double endTime = (double) (noteListElement.endTime);
if (quantizeBeatFactor != 0.0)
endTime = Math.ceil(endTime / quantizeBeatFactor) * quantizeBeatFactor;
if (quantizeDurationFactor != 0)
endTime =
startTime
+ (Math.ceil((endTime - startTime) / quantizeDurationFactor)
* quantizeDurationFactor);
long endTick = 1 + (long) (endTime * getTickRate() / 1000.0);
if ((endTick - startTick) < 1) endTick = startTick + 1;
System.out.println(
"times: " + startTime + ", " + endTime + ", " + getStartTime() + ", " + getEndTime());
if (endTime < getStartTime()) continue;
if (startTime > getEndTime()) continue;
velocity = 64;
noteSequence.add(new NoteSequenceElement(note, ON, startTick, velocity));
noteSequence.add(new NoteSequenceElement(note, OFF, endTick, velocity));
}
if (noteSequence.size() == 0) {
return false;
} else {
noteSequence.sort();
return true;
}
}
public boolean load(File file) {
this.file = file;
if (file != null && file.isFile()) {
try {
errStr = null;
audioInputStream = AudioSystem.getAudioInputStream(file);
fileName = file.getName();
format = audioInputStream.getFormat();
} catch (Exception ex) {
reportStatus(ex.toString());
return false;
}
} else {
reportStatus("Audio file required.");
return false;
}
numChannels = format.getChannels();
sampleRate = (double) format.getSampleRate();
sampleBitSize = format.getSampleSizeInBits();
long frameLength = audioInputStream.getFrameLength();
long milliseconds = (long) ((frameLength * 1000) / audioInputStream.getFormat().getFrameRate());
double audioFileDuration = milliseconds / 1000.0;
if (audioFileDuration > MAX_AUDIO_DURATION) duration = MAX_AUDIO_DURATION;
else duration = audioFileDuration;
frameLength = (int) Math.floor((duration / audioFileDuration) * (double) frameLength);
try {
audioBytes = new byte[(int) frameLength * format.getFrameSize()];
audioInputStream.read(audioBytes);
} catch (Exception ex) {
reportStatus(ex.toString());
return false;
}
getAudioData();
return true;
}
