package org.kc7bfi.jflac.apps;
/* libFLAC - Free Lossless Audio Codec library
* Copyright (C) 2000,2001,2002,2003 Josh Coalson
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library 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
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
import java.io.EOFException;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.util.Vector;
import javax.sound.sampled.AudioFormat;
import javax.sound.sampled.AudioSystem;
import javax.sound.sampled.DataLine;
import javax.sound.sampled.LineListener;
import javax.sound.sampled.LineUnavailableException;
import javax.sound.sampled.SourceDataLine;
import org.kc7bfi.jflac.PCMProcessor;
import org.kc7bfi.jflac.FLACDecoder;
import org.kc7bfi.jflac.metadata.StreamInfo;
import org.kc7bfi.jflac.util.ByteData;
/**
* Play a FLAC file application.
*
* @author kc7bfi
*/
public class Player implements PCMProcessor {
private AudioFormat fmt;
private DataLine.Info info;
private SourceDataLine line;
private Vector listeners = new Vector();
public void addListener(LineListener listener) {
listeners.add(listener);
}
/**
* Decode and play an input FLAC file.
*
* @param inFileName The input FLAC file name
* @throws IOException Thrown if error reading file
* @throws LineUnavailableException Thrown if error playing file
*/
public void decode(String inFileName) throws IOException, LineUnavailableException {
// System.out.println("Play [" + inFileName + "]");
FileInputStream is = new FileInputStream(inFileName);
FLACDecoder decoder = new FLACDecoder(is);
decoder.addPCMProcessor(this);
try {
decoder.decode();
}
catch (EOFException e) {
// skip
}
line.drain();
line.close();
// We're going to clear out the list of listeners as well, so that everytime through
// things are basically at the same starting point.
listeners.clear();
}
/**
* Process the StreamInfo block.
*
* @param streamInfo the StreamInfo block
* @see
* org.kc7bfi.jflac.PCMProcessor#processStreamInfo(org.kc7bfi.jflac.metadata.StreamInfo)
*/
public void processStreamInfo(StreamInfo streamInfo) {
try {
fmt = streamInfo.getAudioFormat();
info = new DataLine.Info(SourceDataLine.class, fmt, AudioSystem.NOT_SPECIFIED);
line = (SourceDataLine) AudioSystem.getLine(info);
// Add the listeners to the line at this point, it's the only
// way to get the events triggered.
int size = listeners.size();
for (int index = 0; index < size; index++) {
line.addLineListener((LineListener) listeners.get(index));
}
line.open(fmt, AudioSystem.NOT_SPECIFIED);
line.start();
}
catch (LineUnavailableException e) {
e.printStackTrace();
}
}
/**
* Process the decoded PCM bytes.
*
* @param pcm The decoded PCM data
* @see
* org.kc7bfi.jflac.PCMProcessor#processPCM(org.kc7bfi.jflac.util.ByteSpace)
*/
public void processPCM(ByteData pcm) {
line.write(pcm.getData(), 0, pcm.getLen());
}
public void removeListener(LineListener listener) {
listeners.removeElement(listener);
}
/**
* The main routine. <p>args[0] is the input file name
*
* @param args Command line arguments
*/
public static void main(String[] args) {
try {
Player decoder = new Player();
for (int i = 0; i < args.length; i++) {
decoder.decode(args[i]);
}
}
catch (FileNotFoundException e) {
e.printStackTrace();
}
catch (IOException e) {
e.printStackTrace();
}
catch (LineUnavailableException e) {
e.printStackTrace();
}
System.exit(0);
}
}