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Diffstat (limited to 'tests/com/jsyn/examples/PlaySegmentedEnvelopeCallback.java')
-rw-r--r-- | tests/com/jsyn/examples/PlaySegmentedEnvelopeCallback.java | 114 |
1 files changed, 0 insertions, 114 deletions
diff --git a/tests/com/jsyn/examples/PlaySegmentedEnvelopeCallback.java b/tests/com/jsyn/examples/PlaySegmentedEnvelopeCallback.java deleted file mode 100644 index cf2441e..0000000 --- a/tests/com/jsyn/examples/PlaySegmentedEnvelopeCallback.java +++ /dev/null @@ -1,114 +0,0 @@ -/* - * 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 com.jsyn.JSyn; -import com.jsyn.Synthesizer; -import com.jsyn.data.SegmentedEnvelope; -import com.jsyn.ports.QueueDataCommand; -import com.jsyn.ports.QueueDataEvent; -import com.jsyn.ports.UnitDataQueueCallback; -import com.jsyn.unitgen.LineOut; -import com.jsyn.unitgen.SawtoothOscillatorBL; -import com.jsyn.unitgen.UnitOscillator; -import com.jsyn.unitgen.VariableRateDataReader; -import com.jsyn.unitgen.VariableRateMonoReader; - -/** - * Use a UnitDataQueueCallback to notify us of the envelope's progress. Modulate the amplitude of an - * oscillator using a segmented envelope. - * - * @author Phil Burk (C) 2010 Mobileer Inc - */ -public class PlaySegmentedEnvelopeCallback { - private Synthesizer synth; - private UnitOscillator osc; - private LineOut lineOut; - private SegmentedEnvelope envelope; - private VariableRateDataReader envelopePlayer; - - private void test() { - // Create a context for the synthesizer. - synth = JSyn.createSynthesizer(); - // Add a tone generator. - synth.add(osc = new SawtoothOscillatorBL()); - // Add an envelope player. - synth.add(envelopePlayer = new VariableRateMonoReader()); - - // Create an envelope consisting of (duration,value) pairs. - double[] pairs = { - 0.1, 1.0, 0.2, 0.5, 0.6, 0.0 - }; - envelope = new SegmentedEnvelope(pairs); - - // Add an output mixer. - synth.add(lineOut = new LineOut()); - envelopePlayer.output.connect(osc.amplitude); - // Connect the oscillator to the output. - osc.output.connect(0, lineOut.input, 0); - osc.output.connect(0, lineOut.input, 1); - - // Start synthesizer using default stereo output at 44100 Hz. - synth.start(); - // We only need to start the LineOut. It will pull data from the other - // units. - lineOut.start(); - - try { - // Queue an envelope with callbacks. - QueueDataCommand command = envelopePlayer.dataQueue.createQueueDataCommand(envelope, 0, - envelope.getNumFrames()); - // Create an object to be called when the queued data is done. - TestQueueCallback callback = new TestQueueCallback(); - command.setCallback(callback); - command.setNumLoops(2); - envelopePlayer.rate.set(0.2); - synth.queueCommand(command); - synth.sleepFor(20.0); - - } catch (InterruptedException e) { - e.printStackTrace(); - } - // Stop everything. - synth.stop(); - } - - class TestQueueCallback implements UnitDataQueueCallback { - @Override - public void started(QueueDataEvent event) { - System.out.println("CALLBACK: Envelope started."); - } - - @Override - public void looped(QueueDataEvent event) { - System.out.println("CALLBACK: Envelope looped."); - } - - @Override - public void finished(QueueDataEvent event) { - System.out.println("CALLBACK: Envelope finished."); - // Queue the envelope again at a faster rate. - // (If this hangs we may have hit a deadlock.) - envelopePlayer.rate.set(2.0); - envelopePlayer.dataQueue.queue(envelope); - } - } - - public static void main(String[] args) { - new PlaySegmentedEnvelopeCallback().test(); - } -} |