/*
* CddaDataConnection.java
*
* This file is part of Tritonus: http://www.tritonus.org/
*/
/*
* Copyright (c) 2001 - 2002 by Matthias Pfisterer
*
* 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.
*/
/*
|<--- this code is formatted to fit into 80 columns --->|
*/
package org.tritonus.sampled.cdda;
import java.io.InputStream;
import java.io.IOException;
import java.net.URL;
import java.net.URLConnection;
import javax.sound.sampled.AudioFormat;
import org.tritonus.lowlevel.cdda.CddaMidLevel;
import org.tritonus.lowlevel.cdda.CddaUtils;
import org.tritonus.share.TDebug;
public class CddaDataConnection
extends URLConnection
{
private static int PCM_FRAMES_PER_CDDA_FRAME = 588;
private static AudioFormat CDDA_FORMAT = new AudioFormat(
AudioFormat.Encoding.PCM_SIGNED,
44100.0F, 16, 2, 4, 44100.0F, false);
/** The cdda device name to read from.
*/
private String m_strDevice;
/** Track to read from the CD.
*/
private int m_nTrack;
private CddaMidLevel m_cddaMidLevel;
public CddaDataConnection(URL url)
{
super(url);
if (TDebug.TraceCdda) { TDebug.out("CddaDataConnection.<init>(): begin"); }
m_strDevice = url.getFile();
String strTrack = url.getRef();
m_nTrack = Integer.parseInt(strTrack);
if (TDebug.TraceCdda) { TDebug.out("CddaDataConnection.<init>(): end"); }
}
public void connect()
{
if (TDebug.TraceCdda) { TDebug.out("CddaDataConnection.connect(): begin"); }
if (! connected)
{
m_cddaMidLevel = CddaUtils.getCddaMidLevel();
if (m_strDevice.equals(""))
{
m_strDevice = m_cddaMidLevel.getDefaultDevice();
}
connected = true;
}
if (TDebug.TraceCdda) { TDebug.out("CddaDataConnection.connect(): end"); }
}
public InputStream getInputStream()
throws IOException
{
if (TDebug.TraceCdda) { TDebug.out("CddaDataConnection.getInputStream(): begin"); }
connect();
String strDevice = getDevice();
int nTrack = getTrack();
InputStream inputStream = m_cddaMidLevel.getTrack(strDevice, nTrack);
if (TDebug.TraceCdda) { TDebug.out("CddaDataConnection.getInputStream(): end"); }
return inputStream;
}
private String getDevice()
{
return m_strDevice;
}
private int getTrack()
{
return m_nTrack;
}
}
/*** CddaDataConnection.java ****/