avmedia/source/java/Player.java

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  30
  31 // UNO
  32 import com.sun.star.uno.UnoRuntime;
  33 import com.sun.star.uno.XComponentContext;
  34 import com.sun.star.uno.AnyConverter;
  35 import com.sun.star.uno.IQueryInterface;
  36 import com.sun.star.lang.XInitialization;
  37
  38 // awt
  39 import com.sun.star.awt.*;
  40
  41 // media
  42 import com.sun.star.media.*;
  43
  44 public class Player implements javax.media.ControllerListener,
  45                                com.sun.star.lang.XServiceInfo,
  46                                com.sun.star.media.XPlayer,
  47                                com.sun.star.lang.XComponent
  48
  49
  50 {
  51     private com.sun.star.lang.XMultiServiceFactory maFactory;
  52     private String maURL;
  53     private javax.media.Player maPlayer;
  54     private javax.media.GainControl maGainControl;
  55     private boolean mbStarted = false;
  56     private boolean mbLooping = false;
  57
  58     // -------------------------------------------------------------------------
  59
  60     public Player( com.sun.star.lang.XMultiServiceFactory aFactory,
  61                    javax.media.Player aPlayer, String aURL )
  62     {
  63         maFactory = aFactory;
  64         maURL = aURL;
  65         maPlayer = aPlayer;
  66         maPlayer.addControllerListener( this );
  67         maGainControl = maPlayer.getGainControl();
  68     }
  69
  70     // -------------------------------------------------------------------------
  71
  72     public synchronized void controllerUpdate( javax.media.ControllerEvent aEvt )
  73     {
  74         if( aEvt instanceof javax.media.EndOfMediaEvent ||
  75             aEvt instanceof javax.media.StopAtTimeEvent )
  76         {
  77             mbStarted = false;
  78
  79             if( mbLooping )
  80             {
  81                 setMediaTime( 0.0 );
  82                 start();
  83             }
  84             else if( aEvt instanceof javax.media.EndOfMediaEvent )
  85                 setMediaTime( getDuration() );
  86         }
  87     }
  88
  89     // -----------
  90     // - XPlayer -
  91     // -----------
  92
  93     public synchronized void start()
  94     {
  95         if( !mbStarted )
  96         {
  97             maPlayer.start();
  98             mbStarted = true;
  99         }
 100     }
 101
 102     // -------------------------------------------------------------------------
 103
 104     public synchronized void stop()
 105     {
 106         if( mbStarted )
 107         {
 108             maPlayer.stop();
 109             mbStarted = false;
 110         }
 111     }
 112
 113     // -------------------------------------------------------------------------
 114
 115     public synchronized boolean isPlaying()
 116     {
 117         return mbStarted;
 118     }
 119
 120     // -------------------------------------------------------------------------
 121
 122     public synchronized double getDuration()
 123     {
 124         return maPlayer.getDuration().getSeconds();
 125     }
 126
 127     // -------------------------------------------------------------------------
 128
 129     public synchronized void setMediaTime( double fTime )
 130     {
 131         if( fTime >= 0.0 && fTime <= getDuration() )
 132             maPlayer.setMediaTime( new javax.media.Time( fTime ) );
 133     }
 134
 135     // -------------------------------------------------------------------------
 136
 137     public synchronized double getMediaTime()
 138     {
 139         return maPlayer.getMediaTime().getSeconds();
 140     }
 141
 142     // -------------------------------------------------------------------------
 143
 144     public synchronized void setStopTime( double fTime )
 145     {
 146         boolean bOldStarted = mbStarted;
 147
 148         if( mbStarted )
 149             stop();
 150
 151         maPlayer.setStopTime( new javax.media.Time( fTime ) );
 152
 153         if( bOldStarted )
 154             start();
 155     }
 156
 157     // -------------------------------------------------------------------------
 158
 159     public synchronized double getStopTime()
 160     {
 161         return maPlayer.getStopTime().getSeconds();
 162     }
 163
 164     // -------------------------------------------------------------------------
 165
 166     public synchronized void setRate( double fRate )
 167     {
 168         boolean bOldStarted = mbStarted;
 169
 170         if( mbStarted )
 171             stop();
 172
 173         maPlayer.setRate( (float) fRate );
 174
 175         if( bOldStarted )
 176             start();
 177     }
 178
 179     // -------------------------------------------------------------------------
 180
 181     public synchronized double getRate()
 182     {
 183         return (double) maPlayer.getRate();
 184     }
 185
 186     // -------------------------------------------------------------------------
 187
 188     public synchronized void setPlaybackLoop( boolean bSet )
 189     {
 190         mbLooping = bSet;
 191     }
 192
 193     // -------------------------------------------------------------------------
 194
 195     public synchronized boolean isPlaybackLoop()
 196     {
 197         return mbLooping;
 198     }
 199
 200     // -------------------------------------------------------------------------
 201
 202     public synchronized void setVolumeDB( short nVolumeDB )
 203     {
 204         if( maGainControl != null )
 205             maGainControl.setDB( nVolumeDB );
 206     }
 207
 208     // -------------------------------------------------------------------------
 209
 210     public synchronized short getVolumeDB()
 211     {
 212         return( maGainControl != null ? (short) maGainControl.getDB() : 0 );
 213     }
 214
 215     // -------------------------------------------------------------------------
 216
 217     public synchronized void setMute( boolean bSet )
 218     {
 219         if( maGainControl != null )
 220             maGainControl.setMute( bSet );
 221     }
 222
 223     // -------------------------------------------------------------------------
 224
 225     public synchronized boolean isMute()
 226     {
 227         return( maGainControl != null ? maGainControl.getMute() : false );
 228     }
 229
 230     // -------------------------------------------------------------------------
 231
 232     public synchronized com.sun.star.awt.Size getPreferredPlayerWindowSize()
 233     {
 234         java.awt.Component      aVisualComponent = maPlayer.getVisualComponent();
 235         com.sun.star.awt.Size   aSize = new com.sun.star.awt.Size( 0, 0 );
 236
 237         if( aVisualComponent != null )
 238         {
 239             java.awt.Dimension aDim = aVisualComponent.getPreferredSize();
 240
 241             aSize.Width = Math.max( aDim.width, 0 );
 242             aSize.Height = Math.max( aDim.height, 0 );
 243         }
 244
 245         return aSize;
 246     }
 247
 248     // -------------------------------------------------------------------------
 249
 250     public synchronized com.sun.star.media.XPlayerWindow createPlayerWindow( java.lang.Object[] aArgs )
 251     {
 252         try
 253         {
 254             com.sun.star.media.XPlayerWindow xPlayerWindow = ( ( ( aArgs.length > 1 ) && ( AnyConverter.toInt( aArgs[ 0 ] ) > 0 ) ) ?
 255                                                              new PlayerWindow( maFactory, aArgs, maPlayer ) :
 256                                                              null );
 257
 258             // check if it is a real player window (video window)
 259             if( xPlayerWindow != null && xPlayerWindow.getZoomLevel() == com.sun.star.media.ZoomLevel.NOT_AVAILABLE )
 260                 xPlayerWindow = null;
 261
 262             return xPlayerWindow;
 263         }
 264         catch( com.sun.star.lang.IllegalArgumentException e )
 265         {
 266             return null;
 267         }
 268     }
 269
 270     // -------------------------------------------------------------------------
 271
 272     public synchronized com.sun.star.media.XFrameGrabber createFrameGrabber()
 273     {
 274         return( (com.sun.star.media.XFrameGrabber) new FrameGrabber( maFactory, maURL ) );
 275     }
 276
 277     // --------------
 278     // - XComponent -
 279     // --------------
 280
 281     public synchronized void addEventListener( com.sun.star.lang.XEventListener xListener )
 282     {
 283     }
 284
 285     // -------------------------------------------------------------------------
 286
 287     public synchronized void removeEventListener( com.sun.star.lang.XEventListener xListener )
 288     {
 289     }
 290
 291     // -------------------------------------------------------------------------
 292
 293     public synchronized void dispose()
 294     {
 295         if( maPlayer != null )
 296         {
 297             maPlayer.stop();
 298             maPlayer.close();
 299             maPlayer = null;
 300         }
 301     }
 302
 303     // ----------------
 304     // - XServiceInfo -
 305     // ----------------
 306
 307     private static final String s_implName = "com.sun.star.comp.Player_Java";
 308     private static final String s_serviceName = "com.sun.star.media.Player_Java";
 309
 310     public synchronized String getImplementationName()
 311     {
 312         return s_implName;
 313     }
 314
 315     // -------------------------------------------------------------------------
 316
 317     public synchronized String [] getSupportedServiceNames()
 318     {
 319         return new String [] { s_serviceName };
 320     }
 321
 322     // -------------------------------------------------------------------------
 323
 324     public synchronized boolean supportsService( String serviceName )
 325     {
 326         return serviceName.equals( s_serviceName );
 327     }
 328 }