/*
* SkipTest.java
*/
/*
* Copyright (c) 1999, 2000 by Matthias Pfisterer <Matthias.Pfisterer@gmx.de>
*
*
* This program 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 program 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 program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*
*/
import java.io.InputStream;
import java.io.IOException;
import java.io.FileNotFoundException;
import java.io.File;
import java.net.URL;
import javax.sound.sampled.AudioFileFormat;
import javax.sound.sampled.AudioFormat;
import javax.sound.sampled.AudioInputStream;
import javax.sound.sampled.AudioSystem;
public class SkipTest
{
private static final int LOAD_METHOD_STREAM = 1;
private static final int LOAD_METHOD_FILE = 2;
private static final int LOAD_METHOD_URL = 3;
public static void main(String[] args)
{
if (args.length == 0)
{
printUsageAndExit();
}
int nLoadMethod = LOAD_METHOD_FILE;
boolean bCheckAudioInputStream = false;
int nCurrentArg = 0;
while (nCurrentArg < args.length)
{
if (args[nCurrentArg].equals("-h"))
{
printUsageAndExit();
}
/*
else if (args[nCurrentArg].equals("-s"))
{
nLoadMethod = LOAD_METHOD_STREAM;
}
else if (args[nCurrentArg].equals("-f"))
{
nLoadMethod = LOAD_METHOD_FILE;
}
else if (args[nCurrentArg].equals("-u"))
{
nLoadMethod = LOAD_METHOD_URL;
}
else if (args[nCurrentArg].equals("-i"))
{
bCheckAudioInputStream = true;
}
*/
nCurrentArg++;
}
bCheckAudioInputStream = true;
String strSource = args[nCurrentArg - 2];
long lSkip = Long.parseLong(args[nCurrentArg - 1]);
String strFilename = null;
AudioFileFormat aff = null;
AudioInputStream ais = null;
try
{
switch (nLoadMethod)
{
case LOAD_METHOD_STREAM:
InputStream inputStream = System.in;
aff = AudioSystem.getAudioFileFormat(inputStream);
strFilename = "<standard input>";
if (bCheckAudioInputStream)
{
ais = AudioSystem.getAudioInputStream(inputStream);
}
break;
case LOAD_METHOD_FILE:
File file = new File(strSource);
aff = AudioSystem.getAudioFileFormat(file);
strFilename = file.getCanonicalPath();
if (bCheckAudioInputStream)
{
ais = AudioSystem.getAudioInputStream(file);
}
break;
case LOAD_METHOD_URL:
URL url = new URL(strSource);
aff = AudioSystem.getAudioFileFormat(url);
strFilename = url.toString();
if (bCheckAudioInputStream)
{
ais = AudioSystem.getAudioInputStream(url);
}
break;
}
}
catch (Exception e)
{
e.printStackTrace();
System.exit(1);
}
if (aff == null)
{
System.out.println("Cannot determine format");
}
else
{
/*
AudioFormat format = aff.getFormat();
System.out.println("---------------------------------------------------------------------------");
System.out.println("Source: " + strFilename);
System.out.println("Type: " + aff.getType());
System.out.println("AudioFormat: " + format);
System.out.println("---------------------------------------------------------------------------");
String strAudioLength = null;
if (aff.getFrameLength() != AudioSystem.NOT_SPECIFIED)
{
strAudioLength = "" + aff.getFrameLength() + " frames (= " + aff.getFrameLength() * format.getFrameSize() + " bytes)";
}
else
{
strAudioLength = "unknown";
}
System.out.println("Length of audio data: " + strAudioLength);
String strFileLength = null;
if (aff.getByteLength() != AudioSystem.NOT_SPECIFIED)
{
strFileLength = "" + aff.getByteLength() + " bytes)";
}
else
{
strFileLength = "unknown";
}
System.out.println("Total length of file (including headers): " + strFileLength);
*/
if (bCheckAudioInputStream)
{
// System.out.println("[AudioInputStream says:] Length of audio data: " + ais.getFrameLength() + " frames (= " + ais.getFrameLength() * ais.getFormat().getFrameSize() + " bytes)");
System.out.println("frame length: " + ais.getFrameLength());
System.out.println("frame size: " + ais.getFormat().getFrameSize());
System.out.println("AIS class:" + ais);
System.out.println("now skipping...");
long lSkipped = 0;
try
{
lSkipped = ais.skip(lSkip);
}
catch (IOException e)
{
e.printStackTrace();
}
System.out.println("skipped: " + lSkipped);
}
System.out.println("---------------------------------------------------------------------------");
}
}
private static void printUsageAndExit()
{
System.out.println("SkipTest: usage:");
System.out.println("\tjava SkipTest <audiofile> <skip>");
System.exit(1);
}
}
/*** SkipTest.java ***/