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.FileInputStream;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import org.kc7bfi.jflac.PCMProcessor;
import org.kc7bfi.jflac.FLACDecoder;
import org.kc7bfi.jflac.metadata.StreamInfo;
import org.kc7bfi.jflac.util.ByteData;
import org.kc7bfi.jflac.util.WavWriter;
/**
* Decode FLAC file to WAV file application.
*
* @author kc7bfi
*/
public class Decoder implements PCMProcessor {
private WavWriter wav;
/**
* Decode a FLAC file to a WAV file.
*
* @param inFileName The input FLAC file name
* @param outFileName The output WAV file name
* @throws IOException Thrown if error reading or writing files
*/
public void decode(String inFileName, String outFileName) throws IOException {
System.out.println("Decode [" + inFileName + "][" + outFileName + "]");
FileInputStream is = new FileInputStream(inFileName);
FileOutputStream os = new FileOutputStream(outFileName);
wav = new WavWriter(os);
FLACDecoder decoder = new FLACDecoder(is);
decoder.addPCMProcessor(this);
decoder.decode();
}
/**
* Process the StreamInfo block.
*
* @param info the StreamInfo block
* @see
* org.kc7bfi.jflac.PCMProcessor#processStreamInfo(org.kc7bfi.jflac.metadata.StreamInfo)
*/
public void processStreamInfo(StreamInfo info) {
try {
System.out.println("Write WAV header " + info);
wav.writeHeader(info);
}
catch (IOException 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) {
try {
System.out.println("Write PCM");
wav.writePCM(pcm);
}
catch (IOException e) {
e.printStackTrace();
}
}
/**
* Main routine. <p>args[0] is the input file name <p>args[1] is the output
* file name
*
* @param args Command line arguments
*/
public static void main(String[] args) {
try {
Decoder decoder = new Decoder();
decoder.decode(args[0], args[1]);
}
catch (FileNotFoundException e) {
e.printStackTrace();
}
catch (IOException e) {
e.printStackTrace();
}
}
}