Source for gnu.javax.sound.sampled.gstreamer.lines.GstDataLine

   1: /* GstDataLine.java -- Abstract DataLine.
   2:  Copyright (C) 2007 Free Software Foundation, Inc.
   3: 
   4: This file is part of GNU Classpath.
   5: 
   6: GNU Classpath is free software; you can redistribute it and/or modify
   7: it under the terms of the GNU General Public License as published by
   8: the Free Software Foundation; either version 2, or (at your option)
   9: any later version.
  10: 
  11: GNU Classpath is distributed in the hope that it will be useful, but
  12: WITHOUT ANY WARRANTY; without even the implied warranty of
  13: MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14: General Public License for more details.
  15: 
  16: You should have received a copy of the GNU General Public License
  17: along with GNU Classpath; see the file COPYING.  If not, write to the
  18: Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
  19: 02110-1301 USA.
  20: 
  21: Linking this library statically or dynamically with other modules is
  22: making a combined work based on this library.  Thus, the terms and
  23: conditions of the GNU General Public License cover the whole
  24: combination.
  25: 
  26: As a special exception, the copyright holders of this library give you
  27: permission to link this library with independent modules to produce an
  28: executable, regardless of the license terms of these independent
  29: modules, and to copy and distribute the resulting executable under
  30: terms of your choice, provided that you also meet, for each linked
  31: independent module, the terms and conditions of the license of that
  32: module.  An independent module is a module which is not derived from
  33: or based on this library.  If you modify this library, you may extend
  34: this exception to your version of the library, but you are not
  35: obligated to do so.  If you do not wish to do so, delete this
  36: exception statement from your version. */
  37: 
  38: package gnu.javax.sound.sampled.gstreamer.lines;
  39: 
  40: import javax.sound.sampled.AudioFormat;
  41: import javax.sound.sampled.Control;
  42: import javax.sound.sampled.DataLine;
  43: import javax.sound.sampled.LineListener;
  44: import javax.sound.sampled.LineUnavailableException;
  45: import javax.sound.sampled.Control.Type;
  46: 
  47: public abstract class GstDataLine
  48:     implements DataLine
  49: {
  50:   public static enum State
  51:   {
  52:     PLAY, PAUSE, STOP
  53:   }
  54:   
  55:   public static final int DEFAULT_BUFFER_SIZE = 1024;
  56:   
  57:   /** Represents the playing state of this Line. */
  58:   protected State state = State.STOP;
  59:   
  60:   /** Represents if this Line is opened or not.  */
  61:   protected Boolean open = false; 
  62:   
  63:   private AudioFormat format = null;
  64:   private int bufferSize = 0;
  65:   
  66:   public GstDataLine(AudioFormat format)
  67:   {
  68:     this.format = format;
  69:     this.bufferSize = DEFAULT_BUFFER_SIZE;
  70:   }
  71:   
  72:   public GstDataLine(AudioFormat format, int bufferSize)
  73:   {
  74:     this.format = format;
  75:     this.bufferSize = bufferSize;
  76:   }
  77: 
  78:   public int getBufferSize()
  79:   {
  80:     return this.bufferSize;
  81:   }
  82: 
  83:   public AudioFormat getFormat()
  84:   {
  85:     return this.format;
  86:   }
  87: 
  88:   public float getLevel()
  89:   {
  90:     // TODO Auto-generated method stub
  91:     return 0;
  92:   }
  93: 
  94:   public boolean isRunning()
  95:   {
  96:     return (state == State.PLAY || state == State.PAUSE);
  97:   }
  98: 
  99:   public void addLineListener(LineListener listener)
 100:   {
 101:     // TODO Auto-generated method stub
 102: 
 103:   }
 104: 
 105:   public Control getControl(Type what)
 106:   {
 107:     // TODO Auto-generated method stub
 108:     return null;
 109:   }
 110: 
 111:   public Control[] getControls()
 112:   {
 113:     // TODO Auto-generated method stub
 114:     return null;
 115:   }
 116: 
 117:   public javax.sound.sampled.Line.Info getLineInfo()
 118:   {
 119:     // TODO Auto-generated method stub
 120:     return null;
 121:   }
 122: 
 123:   public boolean isControlSupported(Type what)
 124:   {
 125:     return false;
 126:   }
 127: 
 128:   public boolean isOpen()
 129:   {
 130:     // TODO Auto-generated method stub
 131:     return false;
 132:   }
 133: 
 134:   public void open() throws LineUnavailableException
 135:   {
 136:     // TODO Auto-generated method stub
 137: 
 138:   }
 139: 
 140:   public void removeLineListener(LineListener listener)
 141:   {
 142:     // TODO Auto-generated method stub
 143: 
 144:   }
 145: }