93 lines
3.0 KiB
Java
93 lines
3.0 KiB
Java
/*
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* Copyright (c) 2007, 2013, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation. Oracle designates this
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* particular file as subject to the "Classpath" exception as provided
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* by Oracle in the LICENSE file that accompanied this code.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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package com.sun.media.sound;
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import java.io.IOException;
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import javax.sound.sampled.AudioInputStream;
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import javax.sound.sampled.SourceDataLine;
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/**
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* This is a processor object that writes into SourceDataLine
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*
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* @author Karl Helgason
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*/
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public final class SoftAudioPusher implements Runnable {
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private volatile boolean active = false;
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private SourceDataLine sourceDataLine = null;
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private Thread audiothread;
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private final AudioInputStream ais;
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private final byte[] buffer;
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public SoftAudioPusher(SourceDataLine sourceDataLine, AudioInputStream ais,
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int workbuffersizer) {
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this.ais = ais;
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this.buffer = new byte[workbuffersizer];
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this.sourceDataLine = sourceDataLine;
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}
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public synchronized void start() {
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if (active)
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return;
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active = true;
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audiothread = new Thread(this);
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audiothread.setDaemon(true);
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audiothread.setPriority(Thread.MAX_PRIORITY);
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audiothread.start();
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}
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public synchronized void stop() {
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if (!active)
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return;
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active = false;
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try {
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audiothread.join();
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} catch (InterruptedException e) {
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//e.printStackTrace();
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}
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}
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public void run() {
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byte[] buffer = SoftAudioPusher.this.buffer;
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AudioInputStream ais = SoftAudioPusher.this.ais;
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SourceDataLine sourceDataLine = SoftAudioPusher.this.sourceDataLine;
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try {
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while (active) {
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// Read from audio source
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int count = ais.read(buffer);
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if(count < 0) break;
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// Write byte buffer to source output
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sourceDataLine.write(buffer, 0, count);
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}
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} catch (IOException e) {
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active = false;
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//e.printStackTrace();
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}
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}
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}
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