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package com.sun.media.sound;

import java.io.IOException;

import javax.sound.midi.Instrument;
import javax.sound.midi.MidiChannel;
import javax.sound.midi.Patch;
import javax.sound.midi.Soundbank;
import javax.sound.midi.SoundbankResource;
import javax.sound.midi.VoiceStatus;

A abstract class used to simplify creating custom ModelOscillator.
Author:Karl Helgason
/** * A abstract class used to simplify creating custom ModelOscillator. * * @author Karl Helgason */
public abstract class ModelAbstractOscillator implements ModelOscillator, ModelOscillatorStream, Soundbank { protected float pitch = 6000; protected float samplerate; protected MidiChannel channel; protected VoiceStatus voice; protected int noteNumber; protected int velocity; protected boolean on = false; public void init() { } @Override public void close() throws IOException { } @Override public void noteOff(int velocity) { on = false; } @Override public void noteOn(MidiChannel channel, VoiceStatus voice, int noteNumber, int velocity) { this.channel = channel; this.voice = voice; this.noteNumber = noteNumber; this.velocity = velocity; on = true; } @Override public int read(float[][] buffer, int offset, int len) throws IOException { return -1; } public MidiChannel getChannel() { return channel; } public VoiceStatus getVoice() { return voice; } public int getNoteNumber() { return noteNumber; } public int getVelocity() { return velocity; } public boolean isOn() { return on; } @Override public void setPitch(float pitch) { this.pitch = pitch; } public float getPitch() { return pitch; } public void setSampleRate(float samplerate) { this.samplerate = samplerate; } public float getSampleRate() { return samplerate; } @Override public float getAttenuation() { return 0; } @Override public int getChannels() { return 1; } @Override public String getName() { return getClass().getName(); } public Patch getPatch() { return new Patch(0, 0); } @Override @SuppressWarnings("deprecation") public ModelOscillatorStream open(float samplerate) { ModelAbstractOscillator oscs; try { oscs = this.getClass().newInstance(); } catch (ReflectiveOperationException e) { throw new IllegalArgumentException(e); } oscs.setSampleRate(samplerate); oscs.init(); return oscs; } public ModelPerformer getPerformer() { // Create performer for my custom oscillirator ModelPerformer performer = new ModelPerformer(); performer.getOscillators().add(this); return performer; } public ModelInstrument getInstrument() { // Create Instrument object around my performer SimpleInstrument ins = new SimpleInstrument(); ins.setName(getName()); ins.add(getPerformer()); ins.setPatch(getPatch()); return ins; } public Soundbank getSoundBank() { // Create Soundbank object around the instrument SimpleSoundbank sbk = new SimpleSoundbank(); sbk.addInstrument(getInstrument()); return sbk; } @Override public String getDescription() { return getName(); } @Override public Instrument getInstrument(Patch patch) { Instrument ins = getInstrument(); Patch p = ins.getPatch(); if (p.getBank() != patch.getBank()) return null; if (p.getProgram() != patch.getProgram()) return null; if (p instanceof ModelPatch && patch instanceof ModelPatch) { if (((ModelPatch)p).isPercussion() != ((ModelPatch)patch).isPercussion()) { return null; } } return ins; } @Override public Instrument[] getInstruments() { return new Instrument[]{getInstrument()}; } @Override public SoundbankResource[] getResources() { return new SoundbankResource[0]; } @Override public String getVendor() { return null; } @Override public String getVersion() { return null; } }