| /* |
| * 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.AudioFileFormat; |
| import javax.sound.sampled.AudioFormat; |
| |
| |
| /** |
| * AIFF file format. |
| * |
| * @author Jan Borgersen |
| */ |
| |
| final class AiffFileFormat extends AudioFileFormat { |
| |
| static final int AIFF_MAGIC = 1179603533; |
| |
| // for writing AIFF |
| static final int AIFC_MAGIC = 0x41494643; // 'AIFC' |
| static final int AIFF_MAGIC2 = 0x41494646; // 'AIFF' |
| static final int FVER_MAGIC = 0x46564552; // 'FVER' |
| static final int FVER_TIMESTAMP = 0xA2805140; // timestamp of last AIFF-C update |
| static final int COMM_MAGIC = 0x434f4d4d; // 'COMM' |
| static final int SSND_MAGIC = 0x53534e44; // 'SSND' |
| |
| // compression codes |
| static final int AIFC_PCM = 0x4e4f4e45; // 'NONE' PCM |
| static final int AIFC_ACE2 = 0x41434532; // 'ACE2' ACE 2:1 compression |
| static final int AIFC_ACE8 = 0x41434538; // 'ACE8' ACE 8:3 compression |
| static final int AIFC_MAC3 = 0x4d414333; // 'MAC3' MACE 3:1 compression |
| static final int AIFC_MAC6 = 0x4d414336; // 'MAC6' MACE 6:1 compression |
| static final int AIFC_ULAW = 0x756c6177; // 'ulaw' ITU G.711 u-Law |
| static final int AIFC_IMA4 = 0x696d6134; // 'ima4' IMA ADPCM |
| |
| // $$fb static approach not good, but needed for estimation |
| static final int AIFF_HEADERSIZE = 54; |
| |
| //$$fb 2001-07-13: added management of header size in this class |
| |
| /** header size in bytes */ |
| private final int headerSize=AIFF_HEADERSIZE; |
| |
| /** comm chunk size in bytes, inclusive magic and length field */ |
| private final int commChunkSize=26; |
| |
| /** FVER chunk size in bytes, inclusive magic and length field */ |
| private final int fverChunkSize=0; |
| |
| AiffFileFormat( AudioFileFormat aff ) { |
| this( aff.getType(), aff.getByteLength(), aff.getFormat(), aff.getFrameLength() ); |
| } |
| |
| AiffFileFormat(Type type, int byteLength, AudioFormat format, int frameLength) { |
| super(type, byteLength, format, frameLength); |
| } |
| |
| int getHeaderSize() { |
| return headerSize; |
| } |
| |
| int getCommChunkSize() { |
| return commChunkSize; |
| } |
| |
| int getFverChunkSize() { |
| return fverChunkSize; |
| } |
| |
| int getSsndChunkOffset() { |
| return getHeaderSize()-16; |
| } |
| |
| } |