public synchronized void setParameters(FDNParameters params) {
int n = params.numberOfLines();
int sr = reader.getSampleRate();
parameters = params;
lineIndices = new int[n];
delayLines = new float[n][];
inBuffer = new float[n];
outBuffer = new float[n];
for (int i = 0; i < n; i++) {
delayLines[i] = new float[(int) (params.delayTime(i) * sr + .5)];
}
}
public synchronized int read(float[] buffer, int i0, int samples) {
int nRead = reader.read(buffer, i0, samples);
int n = parameters.numberOfLines();
for (int i = 0; i < nRead; i++) {
float v = 0;
for (int j = 0; j < n; j++) {
v += (outBuffer[j] = getValue(j));
}
parameters.map(inBuffer, outBuffer);
for (int j = 0; j < n; j++) {
setValue(j, buffer[i0] + inBuffer[j]);
advanceIndex(j);
}
buffer[i0++] = v / n;
}
return nRead;
}
public void setProperties(EffectiveAppearance app) {
super.setProperties(app);
FDNParameters params =
(FDNParameters)
app.getAttribute(
AudioAttributes.FDN_PARAMETER_KEY,
AudioAttributes.DEFAULT_FDN_PARAMETERS,
FDNParameters.class);
if (params != parameters) {
setParameters(params);
}
float reverbTime =
app.getAttribute(AudioAttributes.REVERB_TIME_KEY, AudioAttributes.DEFAULT_REVERB_TIME);
if (reverbTime != params.getReverbTime()) {
params.setReverbTime(reverbTime);
}
}