public void process(FilterBank filterBank) throws AACException {
final Profile profile = config.getProfile();
final SampleFrequency sf = config.getSampleFrequency();
// final ChannelConfiguration channels = config.getChannelConfiguration();
int chs = config.getChannelConfiguration().getChannelCount();
if (chs == 1 && psPresent) chs++;
final int mult = sbrPresent ? 2 : 1;
// only reallocate if needed
if (data == null || chs != data.length || (mult * config.getFrameLength()) != data[0].length)
data = new float[chs][mult * config.getFrameLength()];
int channel = 0;
Element e;
SCE_LFE scelfe;
CPE cpe;
for (int i = 0; i < elements.length && channel < chs; i++) {
e = elements[i];
if (e == null) continue;
if (e instanceof SCE_LFE) {
scelfe = (SCE_LFE) e;
channel += processSingle(scelfe, filterBank, channel, profile, sf);
} else if (e instanceof CPE) {
cpe = (CPE) e;
processPair(cpe, filterBank, channel, profile, sf);
channel += 2;
} else if (e instanceof CCE) {
// applies invquant and save the result in the CCE
((CCE) e).process();
channel++;
}
}
}
private void processDependentCoupling(
boolean channelPair, int elementID, int couplingPoint, float[] data1, float[] data2) {
int index, c, chSelect;
CCE cce;
for (int i = 0; i < cces.length; i++) {
cce = cces[i];
index = 0;
if (cce != null && cce.getCouplingPoint() == couplingPoint) {
for (c = 0; c <= cce.getCoupledCount(); c++) {
chSelect = cce.getCHSelect(c);
if (cce.isChannelPair(c) == channelPair && cce.getIDSelect(c) == elementID) {
if (chSelect != 1) {
cce.applyDependentCoupling(index, data1);
if (chSelect != 0) index++;
}
if (chSelect != 2) {
cce.applyDependentCoupling(index, data2);
index++;
}
} else index += 1 + ((chSelect == 3) ? 1 : 0);
}
}
}
}