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src/java.desktop/share/classes/com/sun/media/sound/AuFileFormat.java

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   1 /*
   2  * Copyright (c) 1999, 2015, 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


  28 import javax.sound.sampled.AudioFileFormat;
  29 import javax.sound.sampled.AudioFormat;
  30 
  31 /**
  32  * AU file format.
  33  *
  34  * @author Jan Borgersen
  35  */
  36 final class AuFileFormat extends AudioFileFormat {
  37 
  38     // magic numbers
  39     static final int AU_SUN_MAGIC = 0x2e736e64; // ".snd"
  40 
  41     // encodings
  42     static final int AU_ULAW_8       = 1;  /* 8-bit ISDN u-law */
  43     static final int AU_LINEAR_8     = 2;  /* 8-bit linear PCM */
  44     static final int AU_LINEAR_16    = 3;  /* 16-bit linear PCM */
  45     static final int AU_LINEAR_24    = 4;  /* 24-bit linear PCM */
  46     static final int AU_LINEAR_32    = 5;  /* 32-bit linear PCM */
  47     static final int AU_FLOAT        = 6;  /* 32-bit IEEE floating point */
  48     static final int AU_DOUBLE       = 7;  /* 64-bit IEEE floating point */
  49     static final int AU_ADPCM_G721   = 23; /* 4-bit CCITT g.721 ADPCM */
  50     static final int AU_ADPCM_G722   = 24; /* CCITT g.722 ADPCM */
  51     static final int AU_ADPCM_G723_3 = 25; /* CCITT g.723 3-bit ADPCM */
  52     static final int AU_ADPCM_G723_5 = 26; /* CCITT g.723 5-bit ADPCM */

  53     static final int AU_ALAW_8       = 27; /* 8-bit ISDN A-law */
  54 
  55     static final int AU_HEADERSIZE       = 24;
  56 
  57     private int auType;
  58 
  59     AuFileFormat(AudioFileFormat.Type type, int lengthInBytes, AudioFormat format, int lengthInFrames) {
  60 
  61         super(type,lengthInBytes,format,lengthInFrames);
  62 
  63         AudioFormat.Encoding encoding = format.getEncoding();
  64 
  65         auType = -1;
  66 
  67         if( AudioFormat.Encoding.ALAW.equals(encoding) ) {
  68             if( format.getSampleSizeInBits()==8 ) {
  69                 auType = AU_ALAW_8;
  70             }
  71         } else if( AudioFormat.Encoding.ULAW.equals(encoding) ) {
  72             if( format.getSampleSizeInBits()==8 ) {
  73                 auType = AU_ULAW_8;
  74             }
  75         } else if( AudioFormat.Encoding.PCM_SIGNED.equals(encoding) ) {
  76             if( format.getSampleSizeInBits()==8 ) {
  77                 auType = AU_LINEAR_8;
  78             } else if( format.getSampleSizeInBits()==16 ) {
  79                 auType = AU_LINEAR_16;
  80             } else if( format.getSampleSizeInBits()==24 ) {
  81                 auType = AU_LINEAR_24;
  82             } else if( format.getSampleSizeInBits()==32 ) {
  83                 auType = AU_LINEAR_32;
  84             }




  85         }
  86     }
  87 
  88     public int getAuType() {
  89         return auType;
  90     }
  91 }
   1 /*
   2  * Copyright (c) 1999, 2016, 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


  28 import javax.sound.sampled.AudioFileFormat;
  29 import javax.sound.sampled.AudioFormat;
  30 
  31 /**
  32  * AU file format.
  33  *
  34  * @author Jan Borgersen
  35  */
  36 final class AuFileFormat extends AudioFileFormat {
  37 
  38     // magic numbers
  39     static final int AU_SUN_MAGIC = 0x2e736e64; // ".snd"
  40 
  41     // encodings
  42     static final int AU_ULAW_8       = 1;  /* 8-bit ISDN u-law */
  43     static final int AU_LINEAR_8     = 2;  /* 8-bit linear PCM */
  44     static final int AU_LINEAR_16    = 3;  /* 16-bit linear PCM */
  45     static final int AU_LINEAR_24    = 4;  /* 24-bit linear PCM */
  46     static final int AU_LINEAR_32    = 5;  /* 32-bit linear PCM */
  47     static final int AU_FLOAT        = 6;  /* 32-bit IEEE floating point */
  48 //  we don't support these ...
  49 //  static final int AU_DOUBLE       = 7;  /* 64-bit IEEE floating point */
  50 //  static final int AU_ADPCM_G721   = 23; /* 4-bit CCITT g.721 ADPCM */
  51 //  static final int AU_ADPCM_G722   = 24; /* CCITT g.722 ADPCM */
  52 //  static final int AU_ADPCM_G723_3 = 25; /* CCITT g.723 3-bit ADPCM */
  53 //  static final int AU_ADPCM_G723_5 = 26; /* CCITT g.723 5-bit ADPCM */
  54     static final int AU_ALAW_8       = 27; /* 8-bit ISDN A-law */
  55 
  56     static final int AU_HEADERSIZE       = 24;
  57 
  58     private int auType;
  59 
  60     AuFileFormat(AudioFileFormat.Type type, int lengthInBytes, AudioFormat format, int lengthInFrames) {
  61 
  62         super(type,lengthInBytes,format,lengthInFrames);
  63 
  64         AudioFormat.Encoding encoding = format.getEncoding();
  65 
  66         auType = -1;
  67 
  68         if (AudioFormat.Encoding.ALAW.equals(encoding)) {
  69             if (format.getSampleSizeInBits() == 8) {
  70                 auType = AU_ALAW_8;
  71             }
  72         } else if (AudioFormat.Encoding.ULAW.equals(encoding)) {
  73             if (format.getSampleSizeInBits() == 8) {
  74                 auType = AU_ULAW_8;
  75             }
  76         } else if (AudioFormat.Encoding.PCM_SIGNED.equals(encoding)) {
  77             if (format.getSampleSizeInBits() == 8) {
  78                 auType = AU_LINEAR_8;
  79             } else if (format.getSampleSizeInBits() == 16) {
  80                 auType = AU_LINEAR_16;
  81             } else if (format.getSampleSizeInBits() == 24) {
  82                 auType = AU_LINEAR_24;
  83             } else if (format.getSampleSizeInBits() == 32) {
  84                 auType = AU_LINEAR_32;
  85             }
  86         } else if (AudioFormat.Encoding.PCM_FLOAT.equals(encoding)) {
  87             if (format.getSampleSizeInBits() == 32) {
  88                 auType = AU_FLOAT;
  89             }
  90         }
  91     }
  92 
  93     public int getAuType() {
  94         return auType;
  95     }
  96 }
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