99 lines · 3.3 KB · Java
RawDownload
/* * Copyright (c) 1999, 2007, 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 java.io.InputStream; 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 {     AudioFormat.Encoding[] inputEncodings;    AudioFormat.Encoding[] outputEncodings;     /**     * Constructs a new codec object.     */    protected SunCodec(AudioFormat.Encoding[] inputEncodings, AudioFormat.Encoding[] outputEncodings) {         this.inputEncodings = inputEncodings;        this.outputEncodings = outputEncodings;    }      /**     */    public AudioFormat.Encoding[] getSourceEncodings() {         AudioFormat.Encoding[] encodings = new AudioFormat.Encoding[inputEncodings.length];        System.arraycopy(inputEncodings, 0, encodings, 0, inputEncodings.length);        return encodings;    }    /**     */    public 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);  }