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.IOException;
import org.kc7bfi.jflac.FrameListener;
import org.kc7bfi.jflac.FLACDecoder;
import org.kc7bfi.jflac.frame.Frame;
import org.kc7bfi.jflac.metadata.Metadata;
/**
* Analyser reads all metadata and frame blocks in a FLAC file and outputs a
* text representation of them.
*
* @author kc7bfi
*/
public class Analyser implements FrameListener {
private int frameNum = 0;
/**
* Analyse an input FLAC file.
*
* @param inFileName The input file name
* @throws IOException thrown if error reading file
*/
public void analyse(String inFileName) throws IOException {
System.out.println("FLAX Analysis for " + inFileName);
FileInputStream is = new FileInputStream(inFileName);
FLACDecoder decoder = new FLACDecoder(is);
decoder.addFrameListener(this);
decoder.decode();
}
/**
* Process metadata records.
*
* @param metadata the metadata block
* @see
* org.kc7bfi.jflac.FrameListener#processMetadata(org.kc7bfi.jflac.metadata.MetadataBase)
*/
public void processMetadata(Metadata metadata) {
System.out.println(metadata.toString());
}
/**
* Process data frames.
*
* @param frame the data frame
* @see
* org.kc7bfi.jflac.FrameListener#processFrame(org.kc7bfi.jflac.frame.Frame)
*/
public void processFrame(Frame frame) {
frameNum++;
System.out.println(frameNum + " " + frame.toString());
}
/**
* Called for each frame error detected.
*
* @param msg The error message
* @see org.kc7bfi.jflac.FrameListener#processError(java.lang.String)
*/
public void processError(String msg) {
System.out.println("Frame Error: " + msg);
}
/**
* Main routine. <p>args[0] is the FLAC file name to analyse
*
* @param args Command arguments
*/
public static void main(String[] args) {
try {
Analyser analyser = new Analyser();
analyser.analyse(args[0]);
}
catch (FileNotFoundException e) {
e.printStackTrace();
}
catch (IOException e) {
e.printStackTrace();
}
}
}