| 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 | } |