SoundFile* AbcFile::createSoundFile() {
SoundFile * soundFile = new SoundFile();
soundFile->setBitDepth(bitRate);
soundFile->setSampleRate(sampleRate);
soundFile->setNumberOfChannels((int)instruments.size());
int samplesPerCount = (int)ceil(60.0*sampleRate/tempo);
for(int i = 0; i < instruments.size(); i++) {
SoundFile * otherChannels = new SoundFile();
otherChannels->setBitDepth(bitRate);
otherChannels->setSampleRate(sampleRate);
otherChannels->setNumberOfChannels((int)instruments.size());
SoundGenerator::SoundBuilder builder;
builder.setAttack(instruments[i]->getAttack()).setDecay(instruments[i]->getDecay()).setRelease(instruments[i]->getRelease()).setDuration((instruments[i]->findTotalCount() * 60 / tempo)).setSampleRate(sampleRate).setSustain(instruments[i]->getSustain());
int numSamples = 0;
for(int j = 0; j < instruments[i]->getScore().size(); j++) {
SoundFile * tempFile = new SoundFile();
tempFile->setBitDepth(bitRate);
tempFile->setSampleRate(sampleRate);
SoundGenerator soundGenerator = builder.setDuration((instruments[i]->getScore()[j]->getCount() * 60 / tempo)).setBitDepth(bitRate).build();
tempFile->setNumberOfChannels((int)instruments.size());
int waveForm = instruments[i]->getWaveform();
if(waveForm == 1) {
numSamples +=sineWave(instruments[i]->getScore()[j],samplesPerCount,tempFile);
} else if(waveForm == 2) {
numSamples +=sawtoothWave(instruments[i]->getScore()[j],samplesPerCount,tempFile);
} else if (waveForm == 3) {
numSamples +=triangleWave(instruments[i]->getScore()[j],samplesPerCount,tempFile);
} else {
numSamples +=pulseWave(instruments[i]->getScore()[j],samplesPerCount,tempFile);
}
soundGenerator.handleEnvelop(tempFile);
if(i == 0) {
*soundFile += tempFile;
} else {
*otherChannels += tempFile;
}
}
for (int k = numSamples + 1; k < getMaxSamples(instruments); ++k) {
SampleLine *sampleLine = new SampleLine();
sampleLine->addNewChannel(0);
if(i == 0) {
soundFile->addSample(sampleLine);
} else {
otherChannels->addSample(sampleLine);
}
}
if(std::find(mute.begin(),mute.end(),i) != mute.end()) {
if(i == 0) {
*soundFile * 0;
} else {
*otherChannels * 0;
}
}
if(i != 0) {
*soundFile | otherChannels;
}
}
return soundFile;
}
void testSawtoothWave()
{
std::ofstream file("../results/sawtooth_wave.dat", std::ios::out);
for (verve::real currentTime=0; currentTime < gMaxTime; currentTime += gDT)
{
verve::real input = sawtoothWave(currentTime, gWaveAmplitude, gWaveFrequency);
verve::real output = activateNeuron(input, gDT);
file << currentTime << " " << input << " " << output << std::endl;
}
file.close();
}
