/*
* AlsaPortMixerProvider.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.mixer.alsa;
import org.tritonus.share.TDebug;
import org.tritonus.lowlevel.alsa.Alsa;
import org.tritonus.lowlevel.alsa.AlsaCtl;
import org.tritonus.share.sampled.mixer.TMixerProvider;
public class AlsaPortMixerProvider
extends TMixerProvider
{
private static boolean sm_bInitialized = false;
public AlsaPortMixerProvider()
{
super();
if (TDebug.TraceMixerProvider) { TDebug.out("AlsaPortMixerProvider.<init>(): begin"); }
if (! sm_bInitialized && ! isDisabled())
{
if (! Alsa.isLibraryAvailable())
{
disable();
}
else
{
staticInit();
sm_bInitialized = true;
}
}
else
{
if (TDebug.TraceMixerProvider) { TDebug.out("AlsaDataLineMixerProvider.<init>(): already initialized or disabled"); }
}
if (TDebug.TraceMixerProvider) { TDebug.out("AlsaPortMixerProvider.<init>(): end"); }
}
protected void staticInit()
{
if (TDebug.TraceMixerProvider) { TDebug.out("AlsaPortMixerProvider.staticInit(): begin"); }
int[] anCards = AlsaCtl.getCards();
if (TDebug.TraceMixerProvider) { System.out.println("AlsaPortMixerProvider.staticInit(): num cards: " + anCards.length); }
for (int i = 0; i < anCards.length; i++)
{
AlsaPortMixer mixer = new AlsaPortMixer(anCards[i]);
addMixer(mixer);
}
if (TDebug.TraceMixerProvider) { TDebug.out("AlsaPortMixerProvider.staticInit(): end"); }
}
}
/*** AlsaPortMixerProvider.java ***/