Showing the changes to java/pkg/com/sun/media/sound/AiffFileFormat.java (1 of 18352 files). Show all
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| 1 | +/* | |
| 2 | + * Copyright (c) 1999, 2007, 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.AudioFileFormat; | |
| 29 | +import javax.sound.sampled.AudioFormat; | |
| 30 | + | |
| 31 | + | |
| 32 | +/** | |
| 33 | + * AIFF file format. | |
| 34 | + * | |
| 35 | + * @author Jan Borgersen | |
| 36 | + */ | |
| 37 | + | |
| 38 | +class AiffFileFormat extends AudioFileFormat { | |
| 39 | + | |
| 40 | + static final int AIFF_MAGIC = 1179603533; | |
| 41 | + | |
| 42 | + // for writing AIFF | |
| 43 | + static final int AIFC_MAGIC = 0x41494643; // 'AIFC' | |
| 44 | + static final int AIFF_MAGIC2 = 0x41494646; // 'AIFF' | |
| 45 | + static final int FVER_MAGIC = 0x46564552; // 'FVER' | |
| 46 | + static final int FVER_TIMESTAMP = 0xA2805140; // timestamp of last AIFF-C update | |
| 47 | + static final int COMM_MAGIC = 0x434f4d4d; // 'COMM' | |
| 48 | + static final int SSND_MAGIC = 0x53534e44; // 'SSND' | |
| 49 | + | |
| 50 | + // compression codes | |
| 51 | + static final int AIFC_PCM = 0x4e4f4e45; // 'NONE' PCM | |
| 52 | + static final int AIFC_ACE2 = 0x41434532; // 'ACE2' ACE 2:1 compression | |
| 53 | + static final int AIFC_ACE8 = 0x41434538; // 'ACE8' ACE 8:3 compression | |
| 54 | + static final int AIFC_MAC3 = 0x4d414333; // 'MAC3' MACE 3:1 compression | |
| 55 | + static final int AIFC_MAC6 = 0x4d414336; // 'MAC6' MACE 6:1 compression | |
| 56 | + static final int AIFC_ULAW = 0x756c6177; // 'ulaw' ITU G.711 u-Law | |
| 57 | + static final int AIFC_IMA4 = 0x696d6134; // 'ima4' IMA ADPCM | |
| 58 | + | |
| 59 | + // $$fb static approach not good, but needed for estimation | |
| 60 | + static final int AIFF_HEADERSIZE = 54; | |
| 61 | + | |
| 62 | + //$$fb 2001-07-13: added management of header size in this class | |
| 63 | + | |
| 64 | + /** header size in bytes */ | |
| 65 | + private int headerSize=AIFF_HEADERSIZE; | |
| 66 | + | |
| 67 | + /** comm chunk size in bytes, inclusive magic and length field */ | |
| 68 | + private int commChunkSize=26; | |
| 69 | + | |
| 70 | + /** FVER chunk size in bytes, inclusive magic and length field */ | |
| 71 | + private int fverChunkSize=0; | |
| 72 | + | |
| 73 | + AiffFileFormat( AudioFileFormat aff ) { | |
| 74 | + this( aff.getType(), aff.getByteLength(), aff.getFormat(), aff.getFrameLength() ); | |
| 75 | + } | |
| 76 | + | |
| 77 | + AiffFileFormat(Type type, int byteLength, AudioFormat format, int frameLength) { | |
| 78 | + super(type, byteLength, format, frameLength); | |
| 79 | + } | |
| 80 | + | |
| 81 | + int getHeaderSize() { | |
| 82 | + return headerSize; | |
| 83 | + } | |
| 84 | + | |
| 85 | + int getCommChunkSize() { | |
| 86 | + return commChunkSize; | |
| 87 | + } | |
| 88 | + | |
| 89 | + int getFverChunkSize() { | |
| 90 | + return fverChunkSize; | |
| 91 | + } | |
| 92 | + | |
| 93 | + int getSsndChunkOffset() { | |
| 94 | + return getHeaderSize()-16; | |
| 95 | + } | |
| 96 | + | |
| 97 | +} | |