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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
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* 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).
*
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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;
}
}