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/*
* TAudioFormat.java
*
* This file is part of Tritonus: http://www.tritonus.org/
*/
/*
* Copyright (c) 2003 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.share.sampled;
import java.util.Collections;
import java.util.HashMap;
import java.util.Map;
import javax.sound.sampled.AudioFormat;
public class TAudioFormat
extends AudioFormat
{
private Map m_properties;
private Map m_unmodifiableProperties;
public TAudioFormat(AudioFormat.Encoding encoding,
float sampleRate,
int sampleSizeInBits,
int channels,
int frameSize,
float frameRate,
boolean bigEndian,
Map properties)
{
super(encoding,
sampleRate,
sampleSizeInBits,
channels,
frameSize,
frameRate,
bigEndian);
initMaps(properties);
}
/**
* Create an instance of TAudioFormat as a copy of the supplied audio
* format.
*
* @param format the instance to copy
*/
public TAudioFormat(AudioFormat format)
{
this(format.getEncoding(),
format.getSampleRate(),
format.getSampleSizeInBits(),
format.getChannels(),
format.getFrameSize(),
format.getFrameRate(),
format.isBigEndian(),
format.properties());
}
/**
* Create an instance of TAudioFormat as a copy of the supplied audio
* format, adding the given properties to any properties supplied by
* format. Duplicate properties in the supplied
* properties will overwrite the ones in format.
*
* @param format the instance to copy
* @param properties properties to be added to this TAudioFormat
*/
public TAudioFormat(AudioFormat format,
Map properties)
{
this(format);
m_properties.putAll(properties);
}
public TAudioFormat(float sampleRate,
int sampleSizeInBits,
int channels,
boolean signed,
boolean bigEndian,
Map properties)
{
super(sampleRate,
sampleSizeInBits,
channels,
signed,
bigEndian);
initMaps(properties);
}
private void initMaps(Map properties)
{
/* Here, we make a shallow copy of the map. It's unclear if this
is sufficient (or if a deep copy should be made).
*/
m_properties = new HashMap();
if (properties != null) {
m_properties.putAll(properties);
}
m_unmodifiableProperties = Collections.unmodifiableMap(m_properties);
}
@Override
public Map properties()
{
if (m_properties == null)
{
initMaps(null);
}
return m_unmodifiableProperties;
}
@Override
public Object getProperty(String key)
{
if (m_properties == null)
{
return null;
}
return m_properties.get(key);
}
protected void setProperty(String key, Object value)
{
if (m_properties == null) {
initMaps(null);
}
m_properties.put(key, value);
}
}
/*** TAudioFormat.java ***/
