96 lines
3.3 KiB
Java
96 lines
3.3 KiB
Java
/*
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* Copyright (c) 1999, 2013, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation. Oracle designates this
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* particular file as subject to the "Classpath" exception as provided
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* by Oracle in the LICENSE file that accompanied this code.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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package com.sun.media.sound;
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import javax.sound.sampled.AudioFormat;
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import javax.sound.sampled.AudioInputStream;
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import javax.sound.sampled.spi.FormatConversionProvider;
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/**
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* A codec can encode and/or decode audio data. It provides an
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* AudioInputStream from which processed data may be read.
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* <p>
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* Its input format represents the format of the incoming
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* audio data, or the format of the data in the underlying stream.
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* <p>
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* Its output format represents the format of the processed, outgoing
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* audio data. This is the format of the data which may be read from
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* the filtered stream.
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*
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* @author Kara Kytle
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*/
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abstract class SunCodec extends FormatConversionProvider {
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private final AudioFormat.Encoding[] inputEncodings;
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private final AudioFormat.Encoding[] outputEncodings;
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/**
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* Constructs a new codec object.
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*/
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SunCodec(final AudioFormat.Encoding[] inputEncodings,
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final AudioFormat.Encoding[] outputEncodings) {
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this.inputEncodings = inputEncodings;
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this.outputEncodings = outputEncodings;
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}
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/**
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*/
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public final AudioFormat.Encoding[] getSourceEncodings() {
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AudioFormat.Encoding[] encodings = new AudioFormat.Encoding[inputEncodings.length];
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System.arraycopy(inputEncodings, 0, encodings, 0, inputEncodings.length);
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return encodings;
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}
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/**
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*/
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public final AudioFormat.Encoding[] getTargetEncodings() {
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AudioFormat.Encoding[] encodings = new AudioFormat.Encoding[outputEncodings.length];
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System.arraycopy(outputEncodings, 0, encodings, 0, outputEncodings.length);
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return encodings;
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}
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/**
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*/
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public abstract AudioFormat.Encoding[] getTargetEncodings(AudioFormat sourceFormat);
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/**
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*/
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public abstract AudioFormat[] getTargetFormats(AudioFormat.Encoding targetEncoding, AudioFormat sourceFormat);
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/**
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*/
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public abstract AudioInputStream getAudioInputStream(AudioFormat.Encoding targetEncoding, AudioInputStream sourceStream);
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/**
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*/
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public abstract AudioInputStream getAudioInputStream(AudioFormat targetFormat, AudioInputStream sourceStream);
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}
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