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

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   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
  23  * questions.
  24  */

  25 package com.sun.media.sound;
  26 
  27 import java.util.Arrays;
  28 
  29 import javax.sound.sampled.AudioFormat;
  30 
  31 /**
  32  * This class is used to store audio buffer.
  33  *
  34  * @author Karl Helgason
  35  */
  36 public final class SoftAudioBuffer {
  37 
  38     private int size;
  39     private float[] buffer;
  40     private boolean empty = true;
  41     private AudioFormat format;
  42     private AudioFloatConverter converter;
  43     private byte[] converter_buffer;
  44 


 106             converter_buffer = new byte[c_len];
 107 
 108         if (format.getChannels() == 1) {
 109             converter.toByteArray(array(), size, buffer);
 110         } else {
 111             converter.toByteArray(array(), size, converter_buffer);
 112             if (channel >= format.getChannels())
 113                 return;
 114             int z_stepover = format.getChannels() * framesize_pc;
 115             int k_stepover = framesize_pc;
 116             for (int j = 0; j < framesize_pc; j++) {
 117                 int k = j;
 118                 int z = channel * framesize_pc + j;
 119                 for (int i = 0; i < size; i++) {
 120                     buffer[z] = converter_buffer[k];
 121                     z += z_stepover;
 122                     k += k_stepover;
 123                 }
 124             }
 125         }
 126 
 127     }
 128 }


   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
  23  * questions.
  24  */
  25 
  26 package com.sun.media.sound;
  27 
  28 import java.util.Arrays;
  29 
  30 import javax.sound.sampled.AudioFormat;
  31 
  32 /**
  33  * This class is used to store audio buffer.
  34  *
  35  * @author Karl Helgason
  36  */
  37 public final class SoftAudioBuffer {
  38 
  39     private int size;
  40     private float[] buffer;
  41     private boolean empty = true;
  42     private AudioFormat format;
  43     private AudioFloatConverter converter;
  44     private byte[] converter_buffer;
  45 


 107             converter_buffer = new byte[c_len];
 108 
 109         if (format.getChannels() == 1) {
 110             converter.toByteArray(array(), size, buffer);
 111         } else {
 112             converter.toByteArray(array(), size, converter_buffer);
 113             if (channel >= format.getChannels())
 114                 return;
 115             int z_stepover = format.getChannels() * framesize_pc;
 116             int k_stepover = framesize_pc;
 117             for (int j = 0; j < framesize_pc; j++) {
 118                 int k = j;
 119                 int z = channel * framesize_pc + j;
 120                 for (int i = 0; i < size; i++) {
 121                     buffer[z] = converter_buffer[k];
 122                     z += z_stepover;
 123                     k += k_stepover;
 124                 }
 125             }
 126         }

 127     }
 128 }
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