1 /* 2 * Copyright (c) 1999, 2015, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. Oracle designates this 8 * particular file as subject to the "Classpath" exception as provided 9 * by Oracle in the LICENSE file that accompanied this code. 10 * 11 * This code is distributed in the hope that it will be useful, but WITHOUT 12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 14 * version 2 for more details (a copy is included in the LICENSE file that 15 * accompanied this code). 16 * 17 * You should have received a copy of the GNU General Public License version 18 * 2 along with this work; if not, write to the Free Software Foundation, 19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 20 * 21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 22 * or visit www.oracle.com if you need additional information or have any 23 * questions. 24 */ 25 26 package com.sun.media.sound; 27 28 import javax.sound.sampled.AudioFormat; 29 import javax.sound.sampled.spi.FormatConversionProvider; 30 31 /** 32 * A codec can encode and/or decode audio data. It provides an 33 * AudioInputStream from which processed data may be read. 34 * <p> 35 * Its input format represents the format of the incoming 36 * audio data, or the format of the data in the underlying stream. 37 * <p> 38 * Its output format represents the format of the processed, outgoing 39 * audio data. This is the format of the data which may be read from 40 * the filtered stream. 41 * 42 * @author Kara Kytle 43 */ 44 abstract class SunCodec extends FormatConversionProvider { 45 46 private final AudioFormat.Encoding[] inputEncodings; 47 private final AudioFormat.Encoding[] outputEncodings; 48 49 /** 50 * Constructs a new codec object. 51 */ 52 SunCodec(final AudioFormat.Encoding[] inputEncodings, 53 final AudioFormat.Encoding[] outputEncodings) { 54 this.inputEncodings = inputEncodings; 55 this.outputEncodings = outputEncodings; 56 } 57 58 @Override 59 public final AudioFormat.Encoding[] getSourceEncodings() { 60 AudioFormat.Encoding[] encodings = new AudioFormat.Encoding[inputEncodings.length]; 61 System.arraycopy(inputEncodings, 0, encodings, 0, inputEncodings.length); 62 return encodings; 63 } 64 65 @Override 66 public final AudioFormat.Encoding[] getTargetEncodings() { 67 AudioFormat.Encoding[] encodings = new AudioFormat.Encoding[outputEncodings.length]; 68 System.arraycopy(outputEncodings, 0, encodings, 0, outputEncodings.length); 69 return encodings; 70 } 71 }