| /* |
| * 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; |
| |
| |
| /** |
| * AU file format. |
| * |
| * @author Jan Borgersen |
| */ |
| |
| final class AuFileFormat extends AudioFileFormat { |
| |
| // magic numbers |
| static final int AU_SUN_MAGIC = 0x2e736e64; |
| static final int AU_SUN_INV_MAGIC = 0x646e732e; |
| static final int AU_DEC_MAGIC = 0x2e736400; |
| static final int AU_DEC_INV_MAGIC = 0x0064732e; |
| |
| // encodings |
| static final int AU_ULAW_8 = 1; /* 8-bit ISDN u-law */ |
| static final int AU_LINEAR_8 = 2; /* 8-bit linear PCM */ |
| static final int AU_LINEAR_16 = 3; /* 16-bit linear PCM */ |
| static final int AU_LINEAR_24 = 4; /* 24-bit linear PCM */ |
| static final int AU_LINEAR_32 = 5; /* 32-bit linear PCM */ |
| static final int AU_FLOAT = 6; /* 32-bit IEEE floating point */ |
| static final int AU_DOUBLE = 7; /* 64-bit IEEE floating point */ |
| static final int AU_ADPCM_G721 = 23; /* 4-bit CCITT g.721 ADPCM */ |
| static final int AU_ADPCM_G722 = 24; /* CCITT g.722 ADPCM */ |
| static final int AU_ADPCM_G723_3 = 25; /* CCITT g.723 3-bit ADPCM */ |
| static final int AU_ADPCM_G723_5 = 26; /* CCITT g.723 5-bit ADPCM */ |
| static final int AU_ALAW_8 = 27; /* 8-bit ISDN A-law */ |
| |
| static final int AU_HEADERSIZE = 24; |
| |
| private int auType; |
| |
| AuFileFormat( AudioFileFormat aff ) { |
| |
| this( aff.getType(), aff.getByteLength(), aff.getFormat(), aff.getFrameLength() ); |
| } |
| |
| AuFileFormat(AudioFileFormat.Type type, int lengthInBytes, AudioFormat format, int lengthInFrames) { |
| |
| super(type,lengthInBytes,format,lengthInFrames); |
| |
| AudioFormat.Encoding encoding = format.getEncoding(); |
| |
| auType = -1; |
| |
| if( AudioFormat.Encoding.ALAW.equals(encoding) ) { |
| if( format.getSampleSizeInBits()==8 ) { |
| auType = AU_ALAW_8; |
| } |
| } else if( AudioFormat.Encoding.ULAW.equals(encoding) ) { |
| if( format.getSampleSizeInBits()==8 ) { |
| auType = AU_ULAW_8; |
| } |
| } else if( AudioFormat.Encoding.PCM_SIGNED.equals(encoding) ) { |
| if( format.getSampleSizeInBits()==8 ) { |
| auType = AU_LINEAR_8; |
| } else if( format.getSampleSizeInBits()==16 ) { |
| auType = AU_LINEAR_16; |
| } else if( format.getSampleSizeInBits()==24 ) { |
| auType = AU_LINEAR_24; |
| } else if( format.getSampleSizeInBits()==32 ) { |
| auType = AU_LINEAR_32; |
| } |
| } |
| |
| } |
| |
| public int getAuType() { |
| |
| return auType; |
| } |
| |
| } |