old-autovect-branch/libjava/classpath/gnu/javax/sound/midi/alsa/AlsaMidiSequencerDevice.java

   1 /* AlsaMidiSequencerDevice.java -- The ALSA MIDI sequencer device
   2    Copyright (C) 2005 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
  39 package gnu.javax.sound.midi.alsa;
  40
  41 import java.io.IOException;
  42 import java.io.InputStream;
  43
  44 import javax.sound.midi.ControllerEventListener;
  45 import javax.sound.midi.InvalidMidiDataException;
  46 import javax.sound.midi.MetaEventListener;
  47 import javax.sound.midi.MidiUnavailableException;
  48 import javax.sound.midi.Receiver;
  49 import javax.sound.midi.Sequence;
  50 import javax.sound.midi.Sequencer;
  51 import javax.sound.midi.Track;
  52 import javax.sound.midi.Transmitter;
  53
  54 // FIXME: These next two imports are only required by gcj it seems.
  55 import javax.sound.midi.MidiDevice.Info;
  56 import javax.sound.midi.Sequencer.SyncMode;
  57
  58 /**
  59  * The ALSA MIDI sequencer device.  This is a singleton device.
  60  *
  61  * @author green@redhat.com
  62  *
  63  */
  64 public class AlsaMidiSequencerDevice implements Sequencer
  65 {
  66   // The singleton instance.
  67   public final static AlsaMidiSequencerDevice instance = new AlsaMidiSequencerDevice();
  68
  69   // A pointer to a native chunk of memory
  70   private long nativeState;
  71
  72   // The sequence to process
  73   private Sequence sequence;
  74
  75   /**
  76    * A private constructor.  There should only be one instance of this
  77    * device.
  78    */
  79   private AlsaMidiSequencerDevice()
  80   {
  81     super();
  82   }
  83
  84   /**
  85    * Return the sequencer singleton.
  86    *
  87    * @return the sequencer singleton
  88    */
  89   public static AlsaMidiSequencerDevice getInstance()
  90   {
  91     return instance;
  92   }
  93
  94   /* (non-Javadoc)
  95    * @see javax.sound.midi.Sequencer#setSequence(javax.sound.midi.Sequence)
  96    */
  97   public void setSequence(Sequence seq) throws InvalidMidiDataException
  98   {
  99     sequence = seq;
 100   }
 101
 102   /* (non-Javadoc)
 103    * @see javax.sound.midi.Sequencer#setSequence(java.io.InputStream)
 104    */
 105   public void setSequence(InputStream istream) throws IOException,
 106       InvalidMidiDataException
 107   {
 108     // TODO Auto-generated method stub
 109   }
 110
 111   /* (non-Javadoc)
 112    * @see javax.sound.midi.Sequencer#getSequence()
 113    */
 114   public Sequence getSequence()
 115   {
 116     return sequence;
 117   }
 118
 119   /* (non-Javadoc)
 120    * @see javax.sound.midi.Sequencer#start()
 121    */
 122   public void start()
 123   {
 124     // TODO Auto-generated method stub
 125   }
 126
 127   /* (non-Javadoc)
 128    * @see javax.sound.midi.Sequencer#stop()
 129    */
 130   public void stop()
 131   {
 132     // TODO Auto-generated method stub
 133
 134   }
 135
 136   /* (non-Javadoc)
 137    * @see javax.sound.midi.Sequencer#isRunning()
 138    */
 139   public boolean isRunning()
 140   {
 141     // TODO Auto-generated method stub
 142     return false;
 143   }
 144
 145   /* (non-Javadoc)
 146    * @see javax.sound.midi.Sequencer#startRecording()
 147    */
 148   public void startRecording()
 149   {
 150     // TODO Auto-generated method stub
 151
 152   }
 153
 154   /* (non-Javadoc)
 155    * @see javax.sound.midi.Sequencer#stopRecording()
 156    */
 157   public void stopRecording()
 158   {
 159     // TODO Auto-generated method stub
 160
 161   }
 162
 163   /* (non-Javadoc)
 164    * @see javax.sound.midi.Sequencer#isRecording()
 165    */
 166   public boolean isRecording()
 167   {
 168     // TODO Auto-generated method stub
 169     return false;
 170   }
 171
 172   /* (non-Javadoc)
 173    * @see javax.sound.midi.Sequencer#recordEnable(javax.sound.midi.Track, int)
 174    */
 175   public void recordEnable(Track track, int channel)
 176   {
 177     // TODO Auto-generated method stub
 178
 179   }
 180
 181   /* (non-Javadoc)
 182    * @see javax.sound.midi.Sequencer#recordDisable(javax.sound.midi.Track)
 183    */
 184   public void recordDisable(Track track)
 185   {
 186     // TODO Auto-generated method stub
 187
 188   }
 189
 190   /* (non-Javadoc)
 191    * @see javax.sound.midi.Sequencer#getTempoInBPM()
 192    */
 193   public float getTempoInBPM()
 194   {
 195     // TODO Auto-generated method stub
 196     return 0;
 197   }
 198
 199   /* (non-Javadoc)
 200    * @see javax.sound.midi.Sequencer#setTempoInBPM(float)
 201    */
 202   public void setTempoInBPM(float bpm)
 203   {
 204     // TODO Auto-generated method stub
 205
 206   }
 207
 208   /* (non-Javadoc)
 209    * @see javax.sound.midi.Sequencer#getTempoInMPQ()
 210    */
 211   public float getTempoInMPQ()
 212   {
 213     // TODO Auto-generated method stub
 214     return 0;
 215   }
 216
 217   /* (non-Javadoc)
 218    * @see javax.sound.midi.Sequencer#setTempoInMPQ(float)
 219    */
 220   public void setTempoInMPQ(float mpq)
 221   {
 222     // TODO Auto-generated method stub
 223
 224   }
 225
 226   /* (non-Javadoc)
 227    * @see javax.sound.midi.Sequencer#setTempoFactor(float)
 228    */
 229   public void setTempoFactor(float factor)
 230   {
 231     // TODO Auto-generated method stub
 232
 233   }
 234
 235   /* (non-Javadoc)
 236    * @see javax.sound.midi.Sequencer#getTempoFactor()
 237    */
 238   public float getTempoFactor()
 239   {
 240     // TODO Auto-generated method stub
 241     return 0;
 242   }
 243
 244   /* (non-Javadoc)
 245    * @see javax.sound.midi.Sequencer#getTickLength()
 246    */
 247   public long getTickLength()
 248   {
 249     // TODO Auto-generated method stub
 250     return 0;
 251   }
 252
 253   /* (non-Javadoc)
 254    * @see javax.sound.midi.Sequencer#getTickPosition()
 255    */
 256   public long getTickPosition()
 257   {
 258     // TODO Auto-generated method stub
 259     return 0;
 260   }
 261
 262   /* (non-Javadoc)
 263    * @see javax.sound.midi.Sequencer#setTickPosition(long)
 264    */
 265   public void setTickPosition(long tick)
 266   {
 267     // TODO Auto-generated method stub
 268
 269   }
 270
 271   /* (non-Javadoc)
 272    * @see javax.sound.midi.Sequencer#getMicrosecondLength()
 273    */
 274   public long getMicrosecondLength()
 275   {
 276     // TODO Auto-generated method stub
 277     return 0;
 278   }
 279
 280   /* (non-Javadoc)
 281    * @see javax.sound.midi.Sequencer#getMicrosecondPosition()
 282    */
 283   public long getMicrosecondPosition()
 284   {
 285     // TODO Auto-generated method stub
 286     return 0;
 287   }
 288
 289   /* (non-Javadoc)
 290    * @see javax.sound.midi.Sequencer#setMicrosecondPosition(long)
 291    */
 292   public void setMicrosecondPosition(long microsecond)
 293   {
 294     // TODO Auto-generated method stub
 295
 296   }
 297
 298   /* (non-Javadoc)
 299    * @see javax.sound.midi.Sequencer#setMasterSyncMode(javax.sound.midi.Sequencer.SyncMode)
 300    */
 301   public void setMasterSyncMode(SyncMode sync)
 302   {
 303     // TODO Auto-generated method stub
 304
 305   }
 306
 307   /* (non-Javadoc)
 308    * @see javax.sound.midi.Sequencer#getMasterSyncMode()
 309    */
 310   public SyncMode getMasterSyncMode()
 311   {
 312     // TODO Auto-generated method stub
 313     return null;
 314   }
 315
 316   /* (non-Javadoc)
 317    * @see javax.sound.midi.Sequencer#getMasterSyncModes()
 318    */
 319   public SyncMode[] getMasterSyncModes()
 320   {
 321     // TODO Auto-generated method stub
 322     return null;
 323   }
 324
 325   /* (non-Javadoc)
 326    * @see javax.sound.midi.Sequencer#setSlaveSyncMode(javax.sound.midi.Sequencer.SyncMode)
 327    */
 328   public void setSlaveSyncMode(SyncMode sync)
 329   {
 330     // TODO Auto-generated method stub
 331
 332   }
 333
 334   /* (non-Javadoc)
 335    * @see javax.sound.midi.Sequencer#getSlaveSyncMode()
 336    */
 337   public SyncMode getSlaveSyncMode()
 338   {
 339     // TODO Auto-generated method stub
 340     return null;
 341   }
 342
 343   /* (non-Javadoc)
 344    * @see javax.sound.midi.Sequencer#getSlaveSyncModes()
 345    */
 346   public SyncMode[] getSlaveSyncModes()
 347   {
 348     // TODO Auto-generated method stub
 349     return null;
 350   }
 351
 352   /* (non-Javadoc)
 353    * @see javax.sound.midi.Sequencer#setTrackMute(int, boolean)
 354    */
 355   public void setTrackMute(int track, boolean mute)
 356   {
 357     // TODO Auto-generated method stub
 358
 359   }
 360
 361   /* (non-Javadoc)
 362    * @see javax.sound.midi.Sequencer#getTrackMute(int)
 363    */
 364   public boolean getTrackMute(int track)
 365   {
 366     // TODO Auto-generated method stub
 367     return false;
 368   }
 369
 370   /* (non-Javadoc)
 371    * @see javax.sound.midi.Sequencer#setTrackSolo(int, boolean)
 372    */
 373   public void setTrackSolo(int track, boolean solo)
 374   {
 375     // TODO Auto-generated method stub
 376
 377   }
 378
 379   /* (non-Javadoc)
 380    * @see javax.sound.midi.Sequencer#getTrackSolo(int)
 381    */
 382   public boolean getTrackSolo(int track)
 383   {
 384     // TODO Auto-generated method stub
 385     return false;
 386   }
 387
 388   /* (non-Javadoc)
 389    * @see javax.sound.midi.Sequencer#addMetaEventListener(javax.sound.midi.MetaEventListener)
 390    */
 391   public boolean addMetaEventListener(MetaEventListener listener)
 392   {
 393     // TODO Auto-generated method stub
 394     return false;
 395   }
 396
 397   /* (non-Javadoc)
 398    * @see javax.sound.midi.Sequencer#removeMetaEventListener(javax.sound.midi.MetaEventListener)
 399    */
 400   public void removeMetaEventListener(MetaEventListener listener)
 401   {
 402     // TODO Auto-generated method stub
 403
 404   }
 405
 406   /* (non-Javadoc)
 407    * @see javax.sound.midi.Sequencer#addControllerEventListener(javax.sound.midi.ControllerEventListener, int[])
 408    */
 409   public int[] addControllerEventListener(ControllerEventListener listener,
 410                                           int[] controllers)
 411   {
 412     // TODO Auto-generated method stub
 413     return null;
 414   }
 415
 416   /* (non-Javadoc)
 417    * @see javax.sound.midi.Sequencer#removeControllerEventListener(javax.sound.midi.ControllerEventListener, int[])
 418    */
 419   public int[] removeControllerEventListener(ControllerEventListener listener,
 420                                              int[] controllers)
 421   {
 422     // TODO Auto-generated method stub
 423     return null;
 424   }
 425
 426   /* (non-Javadoc)
 427    * @see javax.sound.midi.MidiDevice#getDeviceInfo()
 428    */
 429   public Info getDeviceInfo()
 430   {
 431     // TODO Auto-generated method stub
 432     return null;
 433   }
 434
 435   /* (non-Javadoc)
 436    * @see javax.sound.midi.MidiDevice#open()
 437    */
 438   public void open() throws MidiUnavailableException
 439   {
 440     synchronized(this)
 441     {
 442       // Check to see if we're open already.
 443       if (nativeState != 0)
 444         return;
 445
 446       nativeState = open_();
 447     }
 448   }
 449
 450   /**
 451    * Allocate the native state object, and open the sequencer.
 452    *
 453    * @return a long representation of a pointer to the nativeState.
 454    */
 455   private native long open_();
 456
 457   /**
 458    * Close the sequencer and free the native state object.
 459    */
 460   private native void close_(long nativeState);
 461
 462   /* (non-Javadoc)
 463    * @see javax.sound.midi.MidiDevice#close()
 464    */
 465   public void close()
 466   {
 467     synchronized(this)
 468     {
 469       close_(nativeState);
 470       nativeState = 0;
 471     }
 472   }
 473
 474   /* (non-Javadoc)
 475    * @see javax.sound.midi.MidiDevice#isOpen()
 476    */
 477   public boolean isOpen()
 478   {
 479     synchronized(this)
 480     {
 481       return (nativeState != 0);
 482     }
 483   }
 484
 485   /* (non-Javadoc)
 486    * @see javax.sound.midi.MidiDevice#getMaxReceivers()
 487    */
 488   public int getMaxReceivers()
 489   {
 490     return -1;
 491   }
 492
 493   /* (non-Javadoc)
 494    * @see javax.sound.midi.MidiDevice#getMaxTransmitters()
 495    */
 496   public int getMaxTransmitters()
 497   {
 498     return -1;
 499   }
 500
 501   /* (non-Javadoc)
 502    * @see javax.sound.midi.MidiDevice#getReceiver()
 503    */
 504   public Receiver getReceiver() throws MidiUnavailableException
 505   {
 506     // TODO Auto-generated method stub
 507     return null;
 508   }
 509
 510   /* (non-Javadoc)
 511    * @see javax.sound.midi.MidiDevice#getTransmitter()
 512    */
 513   public Transmitter getTransmitter() throws MidiUnavailableException
 514   {
 515     // TODO Auto-generated method stub
 516     return null;
 517   }
 518
 519 }