/** Sets up the tremolo section of the synthesizer. */
private SignalProvider[] setupTremolo(SignalProvider[] source) {
SynthesizerInput rate = new SynthesizerInput(0.0, 0.0, 10.0);
SynthesizerInput depth = new SynthesizerInput(0.0, 0.0, 1.0);
WaveformInput waveform = new WaveformInput(WaveformInput.SINE);
synthesizerInputs_.put(Setting.TREMOLO_RATE, rate);
synthesizerInputs_.put(Setting.TREMOLO_DEPTH, depth);
waveformInputs_.put(Setting.TREMOLO_WAVEFORM, waveform);
SignalProvider[] envelope =
setupEnvelope(
Setting.TREMOLO_ATTACK,
Setting.TREMOLO_DECAY,
Setting.TREMOLO_SUSTAIN,
Setting.TREMOLO_RELEASE);
SignalProvider[] response = new SignalProvider[FINGERS];
for (int finger = 0; finger < FINGERS; ++finger) {
WaveformSelector waveformOutput = new WaveformSelector(waveform);
waveformOutput.addDefaultWaveforms(rate);
response[finger] =
new Amplifier(
source[finger], new Tremolo(new Amplifier(waveformOutput, envelope[finger]), depth));
}
return response;
}
/** Sets up the vibrato section of the synthesizer. */
private SignalProvider[] setupVibrato() {
SynthesizerInput rate = new SynthesizerInput(0.0, 0.0, 10.0);
WaveformInput waveform = new WaveformInput(WaveformInput.SINE);
synthesizerInputs_.put(Setting.VIBRATO_RATE, rate);
waveformInputs_.put(Setting.VIBRATO_WAVEFORM, waveform);
SignalProvider[] envelope =
setupEnvelope(
Setting.VIBRATO_ATTACK,
Setting.VIBRATO_DECAY,
Setting.VIBRATO_SUSTAIN,
Setting.VIBRATO_RELEASE);
SignalProvider[] response = new SignalProvider[FINGERS];
for (int finger = 0; finger < FINGERS; ++finger) {
WaveformSelector waveformOutput = new WaveformSelector(waveform);
waveformOutput.addDefaultWaveforms(rate);
response[finger] = new Amplifier(waveformOutput, envelope[finger]);
}
return response;
}
/** Sets up an oscillator section of the synthesizer. */
private SignalProvider[] setupOscillator(
Setting glideSetting,
Setting coarseSetting,
Setting fineSetting,
Setting vibratoSetting,
Setting waveformSetting,
Setting blendSetting,
Setting stretchSetting,
Setting excitementSetting,
FrequencyProvider[] pitch,
SignalProvider[] vibrato,
boolean includeOrgan,
SoundFontReader sampleLibrary,
double sampleRateInHz) {
SynthesizerInput glide = new SynthesizerInput(0.0, 0.0, 1.0);
SynthesizerInput coarse = new SynthesizerInput(0.0, -1.0, 1.0);
SynthesizerInput fine = new SynthesizerInput(0.0, -0.0833333333, 0.0833333333);
SynthesizerInput vibratoDepth = new SynthesizerInput(0.0, 0.0, 0.1666666667);
WaveformInput waveform = new WaveformInput(WaveformInput.SINE);
// Register all of the inputs.
synthesizerInputs_.put(glideSetting, glide);
synthesizerInputs_.put(coarseSetting, coarse);
synthesizerInputs_.put(fineSetting, fine);
synthesizerInputs_.put(vibratoSetting, vibratoDepth);
waveformInputs_.put(waveformSetting, waveform);
// Create a KarplusStrong module.
SignalProvider[] karplusStrong =
setupKarplusStrong(blendSetting, stretchSetting, excitementSetting, pitch, sampleRateInHz);
// Create an organ module.
SignalProvider[] organ = null;
if (includeOrgan) {
organ = setupDrawbarOrgan(pitch);
}
// Create a drum module.
SignalProvider[] drums = null;
if (sampleLibrary != null) {
drums = setupDrums(pitch, sampleRateInHz, sampleLibrary);
}
SignalProvider[] response = new SignalProvider[FINGERS];
for (int finger = 0; finger < FINGERS; ++finger) {
// Apply all of the layers that can control pitch;
FrequencyProvider adjustedPitch = new Glide(pitch[finger], glide);
adjustedPitch = new Tuner(adjustedPitch, coarse);
adjustedPitch = new Tuner(adjustedPitch, fine);
adjustedPitch = new Tuner(adjustedPitch, new Amplifier(vibrato[finger], vibratoDepth));
// Create the waveform.
WaveformSelector selector = new WaveformSelector(waveform);
selector.addDefaultWaveforms(adjustedPitch);
selector.addWaveform(WaveformInput.KARPLUS_STRONG, karplusStrong[finger]);
if (organ != null) {
selector.addWaveform(WaveformInput.DRAWBAR_ORGAN, organ[finger]);
}
if (drums != null) {
selector.addWaveform(WaveformInput.DRUMS, drums[finger]);
}
response[finger] = selector;
}
return response;
}
