/*

 * 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.

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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;

    }

}