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-rw-r--r--tests/com/jsyn/examples/PlayMIDI.java241
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diff --git a/tests/com/jsyn/examples/PlayMIDI.java b/tests/com/jsyn/examples/PlayMIDI.java
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--- a/tests/com/jsyn/examples/PlayMIDI.java
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-/*
- * Copyright 2010 Phil Burk, Mobileer Inc
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package com.jsyn.examples;
-
-import java.io.IOException;
-
-import com.jsyn.JSyn;
-import com.jsyn.Synthesizer;
-import com.jsyn.devices.javasound.MidiDeviceTools;
-import com.jsyn.instruments.DualOscillatorSynthVoice;
-import com.jsyn.instruments.SubtractiveSynthVoice;
-import com.jsyn.midi.MessageParser;
-import com.jsyn.midi.MidiConstants;
-import com.jsyn.midi.MidiSynthesizer;
-import com.jsyn.unitgen.LineOut;
-import com.jsyn.unitgen.PowerOfTwo;
-import com.jsyn.unitgen.SineOscillator;
-import com.jsyn.unitgen.UnitOscillator;
-import com.jsyn.unitgen.UnitVoice;
-import com.jsyn.util.MultiChannelSynthesizer;
-import com.jsyn.util.VoiceAllocator;
-import com.jsyn.util.VoiceDescription;
-import com.softsynth.math.AudioMath;
-import com.softsynth.shared.time.TimeStamp;
-
-/**
- * Send MIDI messages to JSyn based MIDI synthesizer.
- *
- * @author Phil Burk (C) 2010 Mobileer Inc
- */
-public class PlayMIDI {
- private static final int NUM_CHANNELS = 16;
- private static final int VOICES_PER_CHANNEL = 6;
- private Synthesizer synth;
- private MidiSynthesizer midiSynthesizer;
- private LineOut lineOut;
-
- private VoiceDescription voiceDescription;
- private MultiChannelSynthesizer multiSynth;
-
- public static void main(String[] args) {
- PlayMIDI app = new PlayMIDI();
- try {
- VoiceDescription description = DualOscillatorSynthVoice.getVoiceDescription();
- app.test(description);
- System.out.println("Test complete");
- } catch (IOException e) {
- e.printStackTrace();
- } catch (InterruptedException e) {
- e.printStackTrace();
- }
- System.exit(0);
- }
-
- public void sendMidiMessage(byte[] bytes) {
- midiSynthesizer.onReceive(bytes, 0, bytes.length);
- }
-
- public void sendNoteOff(int channel, int pitch, int velocity) {
- midiCommand(MidiConstants.NOTE_OFF + channel, pitch, velocity);
- }
-
- public void sendNoteOn(int channel, int pitch, int velocity) {
- midiCommand(MidiConstants.NOTE_ON + channel, pitch, velocity);
- }
-
- public void sendControlChange(int channel, int index, int value) {
- midiCommand(MidiConstants.CONTROL_CHANGE + channel, index, value);
- }
-
- /**
- * @param channel
- * @param program starts at zero
- */
- private void sendProgramChange(int channel, int program) {
- midiCommand(MidiConstants.PROGRAM_CHANGE + channel, program);
-
- }
-
- /**
- * Send either RPN or NRPN.
- */
- public void sendParameter(int channel, int index14, int value14, int controllerXPN) {
- int indexLsb = index14 & 0x07F;
- int indexMsb = (index14 >> 7) & 0x07F;
- int valueLsb = value14 & 0x07F;
- int valueMsb = (value14 >> 7) & 0x07F;
- sendControlChange(channel, controllerXPN + 1, indexMsb);
- sendControlChange(channel, controllerXPN, indexLsb);
- sendControlChange(channel, MidiConstants.CONTROLLER_DATA_ENTRY, valueMsb);
- sendControlChange(channel, MidiConstants.CONTROLLER_DATA_ENTRY_LSB, valueLsb);
- sendControlChange(channel, controllerXPN + 1, 0x7F); // NULL RPN index
- sendControlChange(channel, controllerXPN, 0x7F); // to deactivate RPN
- }
-
- public void sendRPN(int channel, int index14, int value14) {
- sendParameter(channel, index14, value14, MidiConstants.CONTROLLER_RPN_LSB);
- }
-
- public void sendNRPN(int channel, int index14, int value14) {
- sendParameter(channel, index14, value14, MidiConstants.CONTROLLER_NRPN_LSB);
- }
-
- private void midiCommand(int status, int data1, int data2) {
- byte[] buffer = new byte[3];
- buffer[0] = (byte) status;
- buffer[1] = (byte) data1;
- buffer[2] = (byte) data2;
- sendMidiMessage(buffer);
- }
-
- private void midiCommand(int status, int data1) {
- byte[] buffer = new byte[2];
- buffer[0] = (byte) status;
- buffer[1] = (byte) data1;
- sendMidiMessage(buffer);
- }
-
- public int test(VoiceDescription description) throws IOException, InterruptedException {
- setupSynth(description);
-
- //playOctaveUsingBend();
- playSameNotesBent();
-
- // Setup all the channels.
- int maxChannels = 8;
- for (int channel = 0; channel < maxChannels; channel++) {
- int program = channel;
- sendProgramChange(channel, program);
- }
- playNotePerChannel(maxChannels);
-
- return 0;
- }
-
- private void playOctaveUsingBend() throws InterruptedException {
- sendProgramChange(0, 0);
- float range0 = 12.0f;
- sendPitchBendRange(0, range0);
- for(int i = 0; i < 13; i++) {
- System.out.println("Bend to pitch " + i);
- sendPitchBend(0, i / range0);
- sendNoteOn(0, 60, 100);
- synth.sleepFor(0.5);
- sendNoteOff(0, 60, 100);
- synth.sleepFor(0.5);
- }
- }
-
- private void playSameNotesBent() throws InterruptedException {
- sendProgramChange(0, 0);
- sendProgramChange(1, 0);
- float range0 = 2.3f;
- float range1 = 6.8f;
- sendPitchBendRange(0, range0);
- sendPitchBendRange(1, range1);
- sendPitchBend(0, 0.0f / range0); // bend by 0 semitones
- sendPitchBend(1, 1.0f / range1); // bend by 1 semitones
-
- System.out.println("These two notes should play at the same pitch.");
- sendNoteOn(0, 61, 100);
- synth.sleepFor(0.5);
- sendNoteOff(0, 61, 100);
-
- sendNoteOn(1, 60, 100);
- synth.sleepFor(0.5);
- sendNoteOff(1, 60, 100);
-
- synth.sleepFor(2.0);
- System.out.println("------ done ---------------");
- }
-
- /**
- *
- * @param channel
- * @param normalizedBend between -1 and +1
- */
- private void sendPitchBend(int channel, float normalizedBend) {
- final int BEND_MIN = 0x0000;
- final int BEND_CENTER = 0x2000;
- final int BEND_MAX = 0x3FFF;
- int bend = BEND_CENTER + (int)(BEND_CENTER * normalizedBend);
- if (bend < BEND_MIN) bend = BEND_MIN;
- else if (bend > BEND_MAX) bend = BEND_MAX;
- int lsb = bend & 0x07F;
- int msb = (bend >> 7) & 0x07F;
- midiCommand(MidiConstants.PITCH_BEND + channel, lsb, msb);
- }
-
- private void sendPitchBendRange(int channel, float range0) {
- int semitones = (int)range0;
- int cents = (int) (100 * (range0 - semitones));
- int value = (semitones << 7) + cents;
- sendRPN(channel, MidiConstants.RPN_BEND_RANGE, value);
- }
-
- private void playNotePerChannel(int maxChannels) throws InterruptedException {
- // Play notes on those channels.
- for (int channel = 0; channel < maxChannels; channel++) {
- sendNoteOn(channel, 60 + channel, 100);
- synth.sleepFor(0.5);
- sendNoteOff(channel, 60 + channel, 100);
- synth.sleepFor(0.5);
- }
- }
-
- private void setupSynth(VoiceDescription description) {
- synth = JSyn.createSynthesizer();
-
- // Add an output.
- synth.add(lineOut = new LineOut());
-
- voiceDescription = description;
- multiSynth = new MultiChannelSynthesizer();
- final int startChannel = 0;
- multiSynth.setup(synth, startChannel, NUM_CHANNELS, VOICES_PER_CHANNEL, voiceDescription);
- midiSynthesizer = new MidiSynthesizer(multiSynth);
-
- multiSynth.getOutput().connect(0,lineOut.input, 0);
- multiSynth.getOutput().connect(1,lineOut.input, 1);
-
- // Start synthesizer using default stereo output at 44100 Hz.
- synth.start();
- lineOut.start();
- }
-
-}
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