| /* |
| * Copyright (c) 2007, 2015, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. Oracle designates this |
| * particular file as subject to the "Classpath" exception as provided |
| * by Oracle in the LICENSE file that accompanied this code. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| package com.sun.media.sound; |
| |
| import java.io.IOException; |
| |
| import javax.sound.sampled.AudioInputStream; |
| import javax.sound.sampled.SourceDataLine; |
| |
| /** |
| * This is a processor object that writes into SourceDataLine |
| * |
| * @author Karl Helgason |
| */ |
| public final class SoftAudioPusher implements Runnable { |
| |
| private volatile boolean active = false; |
| private SourceDataLine sourceDataLine = null; |
| private Thread audiothread; |
| private final AudioInputStream ais; |
| private final byte[] buffer; |
| |
| public SoftAudioPusher(SourceDataLine sourceDataLine, AudioInputStream ais, |
| int workbuffersizer) { |
| this.ais = ais; |
| this.buffer = new byte[workbuffersizer]; |
| this.sourceDataLine = sourceDataLine; |
| } |
| |
| public synchronized void start() { |
| if (active) |
| return; |
| active = true; |
| audiothread = new Thread(null, this, "AudioPusher", 0, false); |
| audiothread.setDaemon(true); |
| audiothread.setPriority(Thread.MAX_PRIORITY); |
| audiothread.start(); |
| } |
| |
| public synchronized void stop() { |
| if (!active) |
| return; |
| active = false; |
| try { |
| audiothread.join(); |
| } catch (InterruptedException e) { |
| //e.printStackTrace(); |
| } |
| } |
| |
| @Override |
| public void run() { |
| byte[] buffer = SoftAudioPusher.this.buffer; |
| AudioInputStream ais = SoftAudioPusher.this.ais; |
| SourceDataLine sourceDataLine = SoftAudioPusher.this.sourceDataLine; |
| |
| try { |
| while (active) { |
| // Read from audio source |
| int count = ais.read(buffer); |
| if(count < 0) break; |
| // Write byte buffer to source output |
| sourceDataLine.write(buffer, 0, count); |
| } |
| } catch (IOException e) { |
| active = false; |
| //e.printStackTrace(); |
| } |
| } |
| } |