/*
* AppletMpegSPIWorkaround.
*
*-----------------------------------------------------------------------
* 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.
*----------------------------------------------------------------------
*/
package org.tritonus.applet;
import java.io.BufferedInputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.net.URL;
import java.net.URLConnection;
import javax.sound.sampled.AudioFileFormat;
import javax.sound.sampled.AudioFormat;
import javax.sound.sampled.AudioInputStream;
import javax.sound.sampled.AudioSystem;
import javax.sound.sampled.UnsupportedAudioFileException;
/**
* From JRE/JDK 1.3.0_01 on, applets can not use provided service
* providers. Obviously, in these later releases of the Java 2 platform
* the service providers are only searched on the system/boot classloader
* and NOT on the classloader of the applet.
* Workaround found by Tritonus Team.
*/
public class AppletMpegSPIWorkaround
{
public static boolean DEBUG = false;
public static String useragent = null;
public static AudioInputStream getAudioInputStream(AudioFormat targetFormat,
AudioInputStream sourceStream)
{
try
{
return AudioSystem.getAudioInputStream(targetFormat, sourceStream);
}
catch (IllegalArgumentException iae)
{
if (DEBUG == true)
{
System.err.println("Using AppletMpegSPIWorkaround to get codec");
}
try
{
Class.forName(
"javazoom.spi.mpeg.sampled.convert.MpegFormatConversionProvider");
//"org.tritonus.sampled.convert.javalayer.MpegFormatConversionProvider");
return new javazoom.spi.mpeg.sampled.convert.MpegFormatConversionProvider().
//return new org.tritonus.sampled.convert.javalayer.MpegFormatConversionProvider().
getAudioInputStream(targetFormat, sourceStream);
}
catch (ClassNotFoundException cnfe)
{
throw new IllegalArgumentException("Mpeg codec not properly installed");
}
}
}
public static AudioInputStream getAudioInputStream(File file) throws
UnsupportedAudioFileException, IOException
{
InputStream inputStream = new BufferedInputStream(new FileInputStream(file));
try
{
if (DEBUG == true)
{
System.err.println(
"Using AppletMpegSPIWorkaround to get codec (AudioInputStream:file)");
}
return getAudioInputStream(inputStream);
}
catch (UnsupportedAudioFileException e)
{
inputStream.close();
throw e;
}
catch (IOException e)
{
inputStream.close();
throw e;
}
}
public static AudioInputStream getAudioInputStream(URL url) throws
UnsupportedAudioFileException, IOException
{
//alexey fix: we use MpegAudioFileReaderWorkaround with URL and user agent
try {
Class.forName("javazoom.spi.mpeg.sampled.file.MpegAudioFileReader");
//Class.forName("org.tritonus.sampled.file.mpeg.MpegAudioFileReader");
return new MpegAudioFileReaderWorkaround().getAudioInputStream(url, useragent);
} catch (ClassNotFoundException cnfe) {
throw new IllegalArgumentException("Mpeg codec not properly installed");
}
//InputStream inputStream = new BufferedInputStream(url.openStream());
//try
//{
// if (DEBUG == true)
// {
// System.err.println(
// "Using AppletMpegSPIWorkaround to get codec (AudioInputStream:url)");
// }
// return getAudioInputStream(inputStream);
//}
//catch (UnsupportedAudioFileException e)
//{
// inputStream.close();
// throw e;
//}
//catch (IOException e)
//{
// inputStream.close();
// throw e;
//}
}
public static AudioFileFormat getAudioFileFormat(File file) throws
UnsupportedAudioFileException, IOException
{
InputStream inputStream = new BufferedInputStream(new FileInputStream(file));
try
{
if (DEBUG == true)
{
System.err.println(
"Using AppletMpegSPIWorkaround to get codec (AudioFileFormat:file)");
}
return getAudioFileFormat(inputStream);
}
finally
{
inputStream.close();
}
}
public static AudioFileFormat getAudioFileFormat(URL url) throws
UnsupportedAudioFileException, IOException
{
InputStream inputStream = null;
if (useragent != null)
{
URLConnection myCon = url.openConnection();
myCon.setUseCaches(false);
myCon.setDoInput(true);
myCon.setDoOutput(true);
myCon.setAllowUserInteraction(false);
myCon.setRequestProperty("User-Agent", useragent);
myCon.setRequestProperty("Accept", "*/*");
myCon.setRequestProperty("Icy-Metadata", "1");
myCon.setRequestProperty("Connection", "close");
inputStream = new BufferedInputStream(myCon.getInputStream());
}
else
{
inputStream = new BufferedInputStream(url.openStream());
}
try
{
if (DEBUG == true)
{
System.err.println(
"Using AppletMpegSPIWorkaround to get codec (AudioFileFormat:url)");
}
//alexey fix: use another version of method
return getAudioFileFormatForUrl(inputStream);
//return getAudioFileFormat(inputStream);
}
finally
{
inputStream.close();
}
}
//alexey fix: we use MpegAudioFileReader's getAudioFileFormat
public static AudioFileFormat getAudioFileFormatForUrl(InputStream is) throws
UnsupportedAudioFileException, IOException
{
try
{
//return AudioSystem.getAudioFileFormat(is);
throw new Exception();
}
catch (Exception iae)
{
if (DEBUG == true)
{
System.err.println(
"Using AppletMpegSPIWorkaround to get codec (AudioFileFormat)");
}
try
{
Class.forName("javazoom.spi.mpeg.sampled.file.MpegAudioFileReader");
//Class.forName("org.tritonus.sampled.file.mpeg.MpegAudioFileReader");
// 2.2 Fix.
//is.mark(4096);
return new javazoom.spi.mpeg.sampled.file.MpegAudioFileReader().
//return new org.tritonus.sampled.file.mpeg.MpegAudioFileReader().
getAudioFileFormat(is, AudioSystem.NOT_SPECIFIED);
}
catch (ClassNotFoundException cnfe)
{
throw new IllegalArgumentException("Mpeg codec not properly installed");
}
}
// 2.2 Fix.
finally
{
//is.reset();
}
}
public static AudioFileFormat getAudioFileFormat(InputStream is) throws
UnsupportedAudioFileException, IOException
{
try
{
//return AudioSystem.getAudioFileFormat(is);
throw new Exception();
}
catch (Exception iae)
{
if (DEBUG == true)
{
System.err.println(
"Using AppletMpegSPIWorkaround to get codec (AudioFileFormat)");
}
try
{
Class.forName("javazoom.spi.mpeg.sampled.file.MpegAudioFileReader");
//Class.forName("org.tritonus.sampled.file.mpeg.MpegAudioFileReader");
// 2.2 Fix.
is.mark(4096);
return new javazoom.spi.mpeg.sampled.file.MpegAudioFileReader().
//return new org.tritonus.sampled.file.mpeg.MpegAudioFileReader().
getAudioFileFormat(is);
}
catch (ClassNotFoundException cnfe)
{
throw new IllegalArgumentException("Mpeg codec not properly installed");
}
}
// 2.2 Fix.
finally
{
is.reset();
}
}
public static AudioInputStream getAudioInputStream(InputStream is) throws
UnsupportedAudioFileException, IOException
{
try
{
//return AudioSystem.getAudioInputStream(is);
throw new Exception();
}
catch (Exception iae)
{
if (DEBUG == true)
{
System.err.println("Using AppletMpegSPIWorkaround to get codec");
}
try
{
Class.forName("javazoom.spi.mpeg.sampled.file.MpegAudioFileReader");
//Class.forName("org.tritonus.sampled.file.mpeg.MpegAudioFileReader");
return new javazoom.spi.mpeg.sampled.file.MpegAudioFileReader().getAudioInputStream(is);
//return new org.tritonus.sampled.file.mpeg.MpegAudioFileReader().getAudioInputStream(is);
}
catch (ClassNotFoundException cnfe)
{
throw new IllegalArgumentException("Mpeg codec not properly installed");
}
}
}
}