/*
* Copyright (c) 1999, 2013, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation. Oracle designates this
* particular file as subject to the "Classpath" exception as provided
* by Oracle in the LICENSE file that accompanied this code.
*
* This code 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 General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
package com.sun.media.sound;
import javax.sound.sampled.AudioFormat;
import javax.sound.sampled.AudioInputStream;
import javax.sound.sampled.spi.FormatConversionProvider;
/**
* A codec can encode and/or decode audio data. It provides an
* AudioInputStream from which processed data may be read.
* <p>
* Its input format represents the format of the incoming
* audio data, or the format of the data in the underlying stream.
* <p>
* Its output format represents the format of the processed, outgoing
* audio data. This is the format of the data which may be read from
* the filtered stream.
*
* @author Kara Kytle
*/
abstract class SunCodec extends FormatConversionProvider {
private final AudioFormat.Encoding[] inputEncodings;
private final AudioFormat.Encoding[] outputEncodings;
/**
* Constructs a new codec object.
*/
SunCodec(final AudioFormat.Encoding[] inputEncodings,
final AudioFormat.Encoding[] outputEncodings) {
this.inputEncodings = inputEncodings;
this.outputEncodings = outputEncodings;
}
/**
*/
public final AudioFormat.Encoding[] getSourceEncodings() {
AudioFormat.Encoding[] encodings = new AudioFormat.Encoding[inputEncodings.length];
System.arraycopy(inputEncodings, 0, encodings, 0, inputEncodings.length);
return encodings;
}
/**
*/
public final AudioFormat.Encoding[] getTargetEncodings() {
AudioFormat.Encoding[] encodings = new AudioFormat.Encoding[outputEncodings.length];
System.arraycopy(outputEncodings, 0, encodings, 0, outputEncodings.length);
return encodings;
}
/**
*/
public abstract AudioFormat.Encoding[] getTargetEncodings(AudioFormat sourceFormat);
/**
*/
public abstract AudioFormat[] getTargetFormats(AudioFormat.Encoding targetEncoding, AudioFormat sourceFormat);
/**
*/
public abstract AudioInputStream getAudioInputStream(AudioFormat.Encoding targetEncoding, AudioInputStream sourceStream);
/**
*/
public abstract AudioInputStream getAudioInputStream(AudioFormat targetFormat, AudioInputStream sourceStream);
}