git.sesse.net Git - vlc/blob - projects/macosx/framework/Sources/VLCMediaPlayer.m

   1 /*****************************************************************************
   2  * VLCMediaPlayer.m: VLCKit.framework VLCMediaPlayer implementation
   3  *****************************************************************************
   4  * Copyright (C) 2007-2009 Pierre d'Herbemont
   5  * Copyright (C) 2007-2009 the VideoLAN team
   6  * Partial Copyright (C) 2009 Felix Paul Kühne
   7  * $Id$
   8  *
   9  * Authors: Pierre d'Herbemont <pdherbemont # videolan.org>
  10  *          Faustion Osuna <enrique.osuna # gmail.com>
  11  *          Felix Paul Kühne <fkuehne # videolan.org>
  12  *
  13  * This program is free software; you can redistribute it and/or modify
  14  * it under the terms of the GNU General Public License as published by
  15  * the Free Software Foundation; either version 2 of the License, or
  16  * (at your option) any later version.
  17  *
  18  * This program is distributed in the hope that it will be useful,
  19  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  20  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  21  * GNU General Public License for more details.
  22  *
  23  * You should have received a copy of the GNU General Public License
  24  * along with this program; if not, write to the Free Software
  25  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
  26  *****************************************************************************/
  27
  28 #import "VLCLibrary.h"
  29 #import "VLCMediaPlayer.h"
  30 #import "VLCEventManager.h"
  31 #import "VLCLibVLCBridging.h"
  32 #import "VLCVideoView.h"
  33 #ifdef HAVE_CONFIG_H
  34 # include "config.h"
  35 #endif
  36
  37 /* prevent system sleep */
  38 #import <CoreServices/CoreServices.h>
  39 /* FIXME: Ugly hack! */
  40 #ifdef __x86_64__
  41 #import <CoreServices/../Frameworks/OSServices.framework/Headers/Power.h>
  42 #endif
  43
  44 #include <vlc/vlc.h>
  45
  46 /* Notification Messages */
  47 NSString * VLCMediaPlayerTimeChanged    = @"VLCMediaPlayerTimeChanged";
  48 NSString * VLCMediaPlayerStateChanged   = @"VLCMediaPlayerStateChanged";
  49
  50 NSString * VLCMediaPlayerStateToString(VLCMediaPlayerState state)
  51 {
  52     static NSString * stateToStrings[] = {
  53         [VLCMediaPlayerStateStopped]      = @"VLCMediaPlayerStateStopped",
  54         [VLCMediaPlayerStateOpening]      = @"VLCMediaPlayerStateOpening",
  55         [VLCMediaPlayerStateBuffering]    = @"VLCMediaPlayerStateBuffering",
  56         [VLCMediaPlayerStateEnded]        = @"VLCMediaPlayerStateEnded",
  57         [VLCMediaPlayerStateError]        = @"VLCMediaPlayerStateError",
  58         [VLCMediaPlayerStatePlaying]      = @"VLCMediaPlayerStatePlaying",
  59         [VLCMediaPlayerStatePaused]       = @"VLCMediaPlayerStatePaused"
  60     };
  61     return stateToStrings[state];
  62 }
  63
  64 /* libvlc event callback */
  65 static void HandleMediaInstanceVolumeChanged(const libvlc_event_t * event, void * self)
  66 {
  67     [[VLCEventManager sharedManager] callOnMainThreadDelegateOfObject:self
  68                                                    withDelegateMethod:@selector(mediaPlayerVolumeChanged:)
  69                                                  withNotificationName:VLCMediaPlayerVolumeChanged];
  70 }
  71
  72 static void HandleMediaTimeChanged(const libvlc_event_t * event, void * self)
  73 {
  74     NSAutoreleasePool * pool = [[NSAutoreleasePool alloc] init];
  75     [[VLCEventManager sharedManager] callOnMainThreadObject:self
  76                                                  withMethod:@selector(mediaPlayerTimeChanged:)
  77                                        withArgumentAsObject:[NSNumber numberWithLongLong:event->u.media_player_time_changed.new_time]];
  78
  79     [[VLCEventManager sharedManager] callOnMainThreadDelegateOfObject:self
  80                                                    withDelegateMethod:@selector(mediaPlayerTimeChanged:)
  81                                                  withNotificationName:VLCMediaPlayerTimeChanged];
  82     [pool release];
  83 }
  84
  85 static void HandleMediaPositionChanged(const libvlc_event_t * event, void * self)
  86 {
  87     NSAutoreleasePool * pool = [[NSAutoreleasePool alloc] init];
  88
  89     [[VLCEventManager sharedManager] callOnMainThreadObject:self
  90                                                  withMethod:@selector(mediaPlayerPositionChanged:)
  91                                        withArgumentAsObject:[NSNumber numberWithFloat:event->u.media_player_position_changed.new_position]];
  92     [pool release];
  93 }
  94
  95 static void HandleMediaInstanceStateChanged(const libvlc_event_t * event, void * self)
  96 {
  97     VLCMediaPlayerState newState;
  98
  99     if( event->type == libvlc_MediaPlayerPlaying )
 100         newState = VLCMediaPlayerStatePlaying;
 101     else if( event->type == libvlc_MediaPlayerPaused )
 102         newState = VLCMediaPlayerStatePaused;
 103     else if( event->type == libvlc_MediaPlayerEndReached )
 104         newState = VLCMediaPlayerStateStopped;
 105     else if( event->type == libvlc_MediaPlayerEncounteredError )
 106         newState = VLCMediaPlayerStateError;
 107     else
 108     {
 109         NSLog(@"%s: Unknown event", __FUNCTION__);
 110         return;
 111     }
 112
 113     NSAutoreleasePool * pool = [[NSAutoreleasePool alloc] init];
 114
 115     [[VLCEventManager sharedManager] callOnMainThreadObject:self
 116                                                  withMethod:@selector(mediaPlayerStateChanged:)
 117                                        withArgumentAsObject:[NSNumber numberWithInt:newState]];
 118
 119     [[VLCEventManager sharedManager] callOnMainThreadDelegateOfObject:self
 120                                                    withDelegateMethod:@selector(mediaPlayerStateChanged:)
 121                                                  withNotificationName:VLCMediaPlayerStateChanged];
 122
 123     [pool release];
 124
 125 }
 126
 127 static void HandleMediaPlayerMediaChanged(const libvlc_event_t * event, void * self)
 128 {
 129     NSAutoreleasePool * pool = [[NSAutoreleasePool alloc] init];
 130
 131     [[VLCEventManager sharedManager] callOnMainThreadObject:self
 132                                                  withMethod:@selector(mediaPlayerMediaChanged:)
 133                                        withArgumentAsObject:[VLCMedia mediaWithLibVLCMediaDescriptor:event->u.media_player_media_changed.new_media]];
 134
 135     [pool release];
 136
 137 }
 138
 139
 140 // TODO: Documentation
 141 @interface VLCMediaPlayer (Private)
 142 - (id)initWithDrawable:(id)aDrawable;
 143
 144 - (void)registerObservers;
 145 - (void)unregisterObservers;
 146 - (void)mediaPlayerTimeChanged:(NSNumber *)newTime;
 147 - (void)mediaPlayerPositionChanged:(NSNumber *)newTime;
 148 - (void)mediaPlayerStateChanged:(NSNumber *)newState;
 149 - (void)mediaPlayerMediaChanged:(VLCMedia *)media;
 150 @end
 151
 152 @implementation VLCMediaPlayer
 153
 154 /* Bindings */
 155 + (NSSet *)keyPathsForValuesAffectingValueForKey:(NSString *)key
 156 {
 157     static NSDictionary * dict = nil;
 158     NSSet * superKeyPaths;
 159     if( !dict )
 160     {
 161         dict = [[NSDictionary dictionaryWithObjectsAndKeys:
 162             [NSSet setWithObject:@"state"], @"playing",
 163             [NSSet setWithObjects:@"state", @"media", nil], @"seekable",
 164             [NSSet setWithObjects:@"state", @"media", nil], @"canPause",
 165             [NSSet setWithObjects:@"state", @"media", nil], @"description",
 166             nil] retain];
 167     }
 168     if( (superKeyPaths = [super keyPathsForValuesAffectingValueForKey: key]) )
 169     {
 170         NSMutableSet * ret = [NSMutableSet setWithSet:[dict objectForKey: key]];
 171         [ret unionSet:superKeyPaths];
 172         return ret;
 173     }
 174     return [dict objectForKey: key];
 175 }
 176
 177 /* Contructor */
 178 - (id)init
 179 {
 180     return [self initWithDrawable:nil];
 181 }
 182
 183 - (id)initWithVideoView:(VLCVideoView *)aVideoView
 184 {
 185     return [self initWithDrawable: aVideoView];
 186 }
 187
 188 - (id)initWithVideoLayer:(VLCVideoLayer *)aVideoLayer
 189 {
 190     return [self initWithDrawable: aVideoLayer];
 191 }
 192
 193 - (void)release
 194 {
 195     @synchronized(self)
 196     {
 197         if([self retainCount] <= 1)
 198         {
 199             /* We must make sure we won't receive new event after an upcoming dealloc
 200              * We also may receive a -retain in some event callback that may occcur
 201              * Before libvlc_event_detach. So this can't happen in dealloc */
 202             [self unregisterObservers];
 203         }
 204         [super release];
 205     }
 206 }
 207
 208 - (void)dealloc
 209 {
 210     NSAssert(libvlc_media_player_get_state(instance, NULL) == libvlc_Stopped, @"You released the media player before ensuring that it is stopped");
 211
 212     // Always get rid of the delegate first so we can stop sending messages to it
 213     // TODO: Should we tell the delegate that we're shutting down?
 214     delegate = nil;
 215
 216     // Clear our drawable as we are going to release it, we don't
 217     // want the core to use it from this point. This won't happen as
 218     // the media player must be stopped.
 219     libvlc_media_player_set_nsobject(instance, nil, NULL);
 220
 221     libvlc_media_player_release(instance);
 222
 223     // Get rid of everything else
 224     [media release];
 225     [cachedTime release];
 226     [cachedRemainingTime release];
 227     [drawable release];
 228
 229     [super dealloc];
 230 }
 231
 232 - (void)setDelegate:(id)value
 233 {
 234     delegate = value;
 235 }
 236
 237 - (id)delegate
 238 {
 239     return delegate;
 240 }
 241
 242 - (void)setVideoView:(VLCVideoView *)aVideoView
 243 {
 244     [self setDrawable: aVideoView];
 245 }
 246
 247 - (void)setVideoLayer:(VLCVideoLayer *)aVideoLayer
 248 {
 249     [self setDrawable: aVideoLayer];
 250 }
 251
 252 - (void)setDrawable:(id)aDrawable
 253 {
 254     // Make sure that this instance has been associated with the drawing canvas.
 255     libvlc_exception_t ex;
 256     libvlc_exception_init( &ex );
 257     libvlc_media_player_set_nsobject(instance, aDrawable, &ex);
 258     catch_exception( &ex );
 259 }
 260
 261 - (id)drawable
 262 {
 263     libvlc_exception_t ex;
 264     libvlc_exception_init( &ex );
 265     id ret = libvlc_media_player_get_nsobject(instance);
 266     catch_exception( &ex );
 267     return ret;
 268 }
 269
 270 - (VLCAudio *)audio
 271 {
 272     return [[VLCLibrary sharedLibrary] audio];
 273 }
 274
 275 #pragma mark -
 276 #pragma mark Subtitles
 277
 278 - (void)setCurrentVideoSubTitleIndex:(NSUInteger)index
 279 {
 280     libvlc_exception_t ex;
 281     libvlc_exception_init( &ex );
 282     libvlc_video_set_spu( instance, (int)index, &ex );
 283     catch_exception( &ex );
 284 }
 285
 286 - (NSUInteger)currentVideoSubTitleIndex
 287 {
 288     libvlc_exception_t ex;
 289     libvlc_exception_init( &ex );
 290     int count = libvlc_video_get_spu_count( instance, &ex );
 291     catch_exception( &ex );
 292     if (count <= 0)
 293         return NSNotFound;
 294     NSUInteger result = libvlc_video_get_spu( instance, &ex );
 295     catch_exception( &ex );
 296     return result;
 297 }
 298
 299 - (BOOL)openVideoSubTitlesFromFile:(NSString *)path
 300 {
 301     libvlc_exception_t ex;
 302     libvlc_exception_init( &ex );
 303     BOOL result = libvlc_video_set_subtitle_file( instance, [path UTF8String], &ex );
 304     catch_exception( &ex );
 305     return result;
 306 }
 307
 308 - (NSArray *)videoSubTitles
 309 {
 310     libvlc_exception_t ex;
 311     libvlc_exception_init( &ex );
 312     int count = libvlc_video_get_spu_count( instance, &ex );
 313     catch_exception( &ex );
 314
 315     libvlc_track_description_t *tracks = libvlc_video_get_spu_description( instance, &ex );
 316     NSMutableArray *tempArray = [NSMutableArray array];
 317     NSInteger i;
 318     for (i = 0; i < count; i++)
 319     {
 320         [tempArray addObject:[NSString stringWithUTF8String: tracks->psz_name]];
 321         tracks = tracks->p_next;
 322     }
 323     return [NSArray arrayWithArray: tempArray];
 324 }
 325
 326
 327 #pragma mark -
 328 #pragma mark Video Crop geometry
 329
 330 - (void)setVideoCropGeometry:(char *)value
 331 {
 332     libvlc_exception_t ex;
 333     libvlc_exception_init( &ex );
 334     libvlc_video_set_crop_geometry( instance, value, &ex );
 335     catch_exception( &ex );
 336 }
 337
 338 - (char *)videoCropGeometry
 339 {
 340     libvlc_exception_t ex;
 341     libvlc_exception_init( &ex );
 342     char * result = libvlc_video_get_crop_geometry( instance, &ex );
 343     catch_exception( &ex );
 344     return result;
 345 }
 346
 347 - (void)setVideoAspectRatio:(char *)value
 348 {
 349     libvlc_exception_t ex;
 350     libvlc_exception_init( &ex );
 351     libvlc_video_set_aspect_ratio( instance, value, &ex );
 352     catch_exception( &ex );
 353 }
 354
 355 - (char *)videoAspectRatio
 356 {
 357     libvlc_exception_t ex;
 358     libvlc_exception_init( &ex );
 359     char * result = libvlc_video_get_aspect_ratio( instance, &ex );
 360     catch_exception( &ex );
 361     return result;
 362 }
 363
 364 - (void)setVideoTeleText:(int)value
 365 {
 366     libvlc_exception_t ex;
 367     libvlc_exception_init( &ex );
 368     libvlc_video_set_teletext( instance, value, &ex );
 369     catch_exception( &ex );
 370 }
 371
 372 - (int)videoTeleText
 373 {
 374     libvlc_exception_t ex;
 375     libvlc_exception_init( &ex );
 376     int result = libvlc_video_get_teletext( instance, &ex );
 377     catch_exception( &ex );
 378     return result;
 379 }
 380
 381 - (void)saveVideoSnapshotAt: (NSString *)path withWidth:(NSUInteger)width andHeight:(NSUInteger)height
 382 {
 383     libvlc_exception_t ex;
 384     libvlc_exception_init( &ex );
 385     libvlc_video_take_snapshot( instance, [path UTF8String], width, height, &ex );
 386     catch_exception( &ex );
 387 }
 388
 389 - (void)setDeinterlaceFilter: (NSString *)name enabled: (BOOL)enabled
 390 {
 391     libvlc_exception_t ex;
 392     libvlc_exception_init( &ex );
 393     libvlc_video_set_deinterlace( instance, (int)enabled , [name UTF8String], &ex );
 394     catch_exception( &ex );
 395 }
 396
 397 - (void)setRate:(float)value
 398 {
 399     libvlc_exception_t ex;
 400     libvlc_exception_init( &ex );
 401     libvlc_media_player_set_rate( instance, value, &ex );
 402     catch_exception( &ex );
 403 }
 404
 405 - (float)rate
 406 {
 407     libvlc_exception_t ex;
 408     libvlc_exception_init( &ex );
 409     float result = libvlc_media_player_get_rate( instance, &ex );
 410     catch_exception( &ex );
 411     return result;
 412 }
 413
 414 - (NSSize)videoSize
 415 {
 416     libvlc_exception_t ex;
 417     libvlc_exception_init( &ex );
 418     NSSize result = NSMakeSize(libvlc_video_get_height((libvlc_media_player_t *)instance, &ex),
 419                                libvlc_video_get_width((libvlc_media_player_t *)instance, &ex));
 420     catch_exception( &ex );
 421     return result;
 422 }
 423
 424 - (BOOL)hasVideoOut
 425 {
 426     libvlc_exception_t ex;
 427     libvlc_exception_init( &ex );
 428     BOOL result = libvlc_media_player_has_vout((libvlc_media_player_t *)instance, &ex);
 429     if (libvlc_exception_raised( &ex ))
 430     {
 431         libvlc_exception_clear( &ex );
 432         return NO;
 433     }
 434     else
 435         return result;
 436 }
 437
 438 - (float)framesPerSecond
 439 {
 440     libvlc_exception_t ex;
 441     libvlc_exception_init( &ex );
 442     float result = libvlc_media_player_get_fps( (libvlc_media_player_t *)instance, &ex );
 443     catch_exception( &ex );
 444     return result;
 445 }
 446
 447 - (void)setTime:(VLCTime *)value
 448 {
 449     libvlc_exception_t ex;
 450     libvlc_exception_init( &ex );
 451     // Time is managed in seconds, while duration is managed in microseconds
 452     // TODO: Redo VLCTime to provide value numberAsMilliseconds, numberAsMicroseconds, numberAsSeconds, numberAsMinutes, numberAsHours
 453     libvlc_media_player_set_time( (libvlc_media_player_t *)instance,
 454                                     (value ? [[value numberValue] longLongValue] / 1000 : 0),
 455                                     &ex );
 456     catch_exception( &ex );
 457 }
 458
 459 - (VLCTime *)time
 460 {
 461     return cachedTime;
 462 }
 463
 464 - (VLCTime *)remainingTime
 465 {
 466     return cachedRemainingTime;
 467 }
 468
 469 - (int)fps
 470 {
 471     libvlc_exception_t ex;
 472     libvlc_exception_init( &ex );
 473     int result = libvlc_media_player_get_fps( instance, &ex );
 474     catch_exception( &ex );
 475     return result;
 476 }
 477
 478 #pragma mark -
 479 #pragma mark Chapters
 480 - (void)setCurrentChapterIndex:(NSUInteger)value;
 481 {
 482     libvlc_exception_t ex;
 483     libvlc_exception_init( &ex );
 484     libvlc_media_player_set_chapter( instance, value, &ex );
 485     catch_exception( &ex );
 486 }
 487
 488 - (NSUInteger)currentChapterIndex
 489 {
 490     libvlc_exception_t ex;
 491     libvlc_exception_init( &ex );
 492     int count = libvlc_media_player_get_chapter_count( instance, &ex );
 493     catch_exception( &ex );
 494     if (count <= 0)
 495         return NSNotFound;
 496     NSUInteger result = libvlc_media_player_get_chapter( instance, &ex );
 497     catch_exception( &ex );
 498     return result;
 499 }
 500
 501 - (void)nextChapter
 502 {
 503     libvlc_exception_t ex;
 504     libvlc_exception_init( &ex );
 505     libvlc_media_player_next_chapter( instance, &ex );
 506     catch_exception( &ex );
 507 }
 508
 509 - (void)previousChapter
 510 {
 511     libvlc_exception_t ex;
 512     libvlc_exception_init( &ex );
 513     libvlc_media_player_previous_chapter( instance, &ex );
 514     catch_exception( &ex );
 515 }
 516
 517 - (NSArray *)chaptersForTitleIndex:(NSUInteger)title
 518 {
 519     libvlc_exception_t ex;
 520     libvlc_exception_init( &ex );
 521     int count = libvlc_media_player_get_chapter_count(instance, &ex);
 522     if (count <= 0)
 523         return [NSArray array];
 524
 525     libvlc_track_description_t *tracks = libvlc_video_get_chapter_description( instance, title, &ex );
 526     NSMutableArray *tempArray = [NSMutableArray array];
 527     NSInteger i;
 528     for (i = 0; i < count ; i++)
 529     {
 530         [tempArray addObject:[NSString stringWithUTF8String: tracks->psz_name]];
 531         tracks = tracks->p_next;
 532     }
 533     return [NSArray arrayWithArray: tempArray];
 534 }
 535
 536 #pragma mark -
 537 #pragma mark Titles
 538
 539 - (void)setCurrentTitleIndex:(NSUInteger)value
 540 {
 541     libvlc_exception_t ex;
 542     libvlc_exception_init( &ex );
 543     libvlc_media_player_set_title( instance, value, &ex );
 544     catch_exception( &ex );
 545 }
 546
 547 - (NSUInteger)currentTitleIndex
 548 {
 549     libvlc_exception_t ex;
 550     libvlc_exception_init( &ex );
 551
 552     int count = libvlc_media_player_get_title_count( instance, &ex );
 553     catch_exception( &ex );
 554     if (count <= 0)
 555         return NSNotFound;
 556
 557     NSUInteger result = libvlc_media_player_get_title( instance, &ex );
 558     catch_exception( &ex );
 559     return result;
 560 }
 561
 562 - (int)countOfTitles
 563 {
 564     libvlc_exception_t ex;
 565     libvlc_exception_init( &ex );
 566     int result = libvlc_media_player_get_title_count( instance, &ex );
 567     catch_exception( &ex );
 568     return result;
 569 }
 570
 571 - (NSArray *)titles
 572 {
 573     libvlc_exception_t ex;
 574     libvlc_exception_init( &ex );
 575     libvlc_track_description_t *tracks = libvlc_video_get_title_description( instance, &ex );
 576     NSMutableArray *tempArray = [NSMutableArray array];
 577     NSInteger i;
 578     for (i = 0; i < [self countOfTitles] ; i++)
 579     {
 580         [tempArray addObject:[NSString stringWithUTF8String: tracks->psz_name]];
 581         tracks = tracks->p_next;
 582     }
 583     return [NSArray arrayWithArray: tempArray];
 584 }
 585
 586 #pragma mark -
 587 #pragma mark Audio tracks
 588 - (void)setCurrentAudioTrackIndex:(NSUInteger)value
 589 {
 590     libvlc_exception_t ex;
 591     libvlc_exception_init( &ex );
 592     libvlc_audio_set_track( instance, (int)value, &ex );
 593     catch_exception( &ex );
 594 }
 595
 596 - (NSUInteger)currentAudioTrackIndex
 597 {
 598     libvlc_exception_t ex;
 599     libvlc_exception_init( &ex );
 600     int count = libvlc_audio_get_track_count( instance, &ex );
 601     catch_exception( &ex );
 602     if (count <= 0)
 603         return NSNotFound;
 604
 605     NSUInteger result = libvlc_audio_get_track( instance, &ex );
 606     catch_exception( &ex );
 607     return result;
 608 }
 609
 610 - (NSArray *)audioTracks
 611 {
 612     libvlc_exception_t ex;
 613     libvlc_exception_init( &ex );
 614     int count = libvlc_audio_get_track_count( instance, &ex );
 615     catch_exception( &ex );
 616     if (count <= 0)
 617         return [NSArray array];
 618
 619     libvlc_track_description_t *tracks = libvlc_audio_get_track_description( instance, &ex );
 620     NSMutableArray *tempArray = [NSMutableArray array];
 621     NSInteger i;
 622     for (i = 0; i < count ; i++)
 623     {
 624         [tempArray addObject:[NSString stringWithUTF8String: tracks->psz_name]];
 625         tracks = tracks->p_next;
 626     }
 627
 628     return [NSArray arrayWithArray: tempArray];
 629 }
 630
 631 - (void)setAudioChannel:(int)value
 632 {
 633     libvlc_exception_t ex;
 634     libvlc_exception_init( &ex );
 635     libvlc_audio_set_channel( instance, value, &ex );
 636     catch_exception( &ex );
 637 }
 638
 639 - (int)audioChannel
 640 {
 641     libvlc_exception_t ex;
 642     libvlc_exception_init( &ex );
 643     int result = libvlc_audio_get_channel( instance, &ex );
 644     catch_exception( &ex );
 645     return result;
 646 }
 647
 648 - (void)setMedia:(VLCMedia *)value
 649 {
 650     if (media != value)
 651     {
 652         if (media && [media compare:value] == NSOrderedSame)
 653             return;
 654
 655         [media release];
 656         media = [value retain];
 657
 658         libvlc_exception_t ex;
 659         libvlc_exception_init( &ex );
 660         libvlc_media_player_set_media( instance, [media libVLCMediaDescriptor], &ex );
 661         catch_exception( &ex );
 662     }
 663 }
 664
 665 - (VLCMedia *)media
 666 {
 667     return media;
 668 }
 669
 670 - (BOOL)play
 671 {
 672     libvlc_exception_t ex;
 673     libvlc_exception_init( &ex );
 674     libvlc_media_player_play( (libvlc_media_player_t *)instance, &ex );
 675     catch_exception( &ex );
 676     return YES;
 677 }
 678
 679 - (void)pause
 680 {
 681     if( [NSThread isMainThread] )
 682     {
 683         /* Hack because we create a dead lock here, when the vout is stopped
 684          * and tries to recontact us on the main thread */
 685         /* FIXME: to do this properly we need to do some locking. We may want
 686          * to move that to libvlc */
 687         [self performSelectorInBackground:@selector(pause) withObject:nil];
 688         return;
 689     }
 690
 691     // Pause the stream
 692     libvlc_exception_t ex;
 693     libvlc_exception_init( &ex );
 694     libvlc_media_player_pause( (libvlc_media_player_t *)instance, &ex );
 695
 696     // fail gracefully
 697     // in most cases, it's just EOF so let's stop
 698     if (libvlc_exception_raised(&ex))
 699         [self stop];
 700
 701     libvlc_exception_clear(&ex);
 702 }
 703
 704 - (void)stop
 705 {
 706     libvlc_exception_t ex;
 707     libvlc_exception_init( &ex );
 708     libvlc_media_player_stop((libvlc_media_player_t *)instance, &ex);
 709     catch_exception( &ex );
 710 }
 711
 712 - (void)fastForward
 713 {
 714     [self fastForwardAtRate: 2.0];
 715 }
 716
 717 - (void)fastForwardAtRate:(float)rate
 718 {
 719     [self setRate:rate];
 720 }
 721
 722 - (void)rewind
 723 {
 724     [self rewindAtRate: 2.0];
 725 }
 726
 727 - (void)rewindAtRate:(float)rate
 728 {
 729     [self setRate: -rate];
 730 }
 731
 732 - (void)jumpBackward:(NSInteger)interval
 733 {
 734     if( [self isSeekable] )
 735     {
 736         interval = interval * 1000000;
 737         [self setTime: [VLCTime timeWithInt: ([[self time] intValue] - interval)]];
 738     }
 739 }
 740
 741 - (void)jumpForward:(NSInteger)interval
 742 {
 743     if( [self isSeekable] )
 744     {
 745         interval = interval * 1000000;
 746         [self setTime: [VLCTime timeWithInt: ([[self time] intValue] + interval)]];
 747     }
 748 }
 749
 750 - (void)extraShortJumpBackward
 751 {
 752     [self jumpBackward:3];
 753 }
 754
 755 - (void)extraShortJumpForward
 756 {
 757     [self jumpForward:3];
 758 }
 759
 760 - (void)shortJumpBackward
 761 {
 762     [self jumpBackward:10];
 763 }
 764
 765 - (void)shortJumpForward
 766 {
 767     [self jumpForward:10];
 768 }
 769
 770 - (void)mediumJumpBackward
 771 {
 772     [self jumpBackward:60];
 773 }
 774
 775 - (void)mediumJumpForward
 776 {
 777     [self jumpForward:60];
 778 }
 779
 780 - (void)longJumpBackward
 781 {
 782     [self jumpBackward:300];
 783 }
 784
 785 - (void)longJumpForward
 786 {
 787     [self jumpForward:300];
 788 }
 789
 790 + (NSSet *)keyPathsForValuesAffectingIsPlaying
 791 {
 792     return [NSSet setWithObjects:@"state", nil];
 793 }
 794
 795 - (BOOL)isPlaying
 796 {
 797     VLCMediaPlayerState state = [self state];
 798     return ((state == VLCMediaPlayerStateOpening) || (state == VLCMediaPlayerStateBuffering) ||
 799             (state == VLCMediaPlayerStatePlaying));
 800 }
 801
 802 - (BOOL)willPlay
 803 {
 804     libvlc_exception_t ex;
 805     libvlc_exception_init( &ex );
 806     BOOL ret = libvlc_media_player_will_play( (libvlc_media_player_t *)instance, &ex );
 807     if (libvlc_exception_raised(&ex))
 808     {
 809         libvlc_exception_clear(&ex);
 810         return NO;
 811     }
 812     else
 813         return ret;
 814 }
 815
 816 static const VLCMediaPlayerState libvlc_to_local_state[] =
 817 {
 818     [libvlc_Stopped]    = VLCMediaPlayerStateStopped,
 819     [libvlc_Opening]    = VLCMediaPlayerStateOpening,
 820     [libvlc_Buffering]  = VLCMediaPlayerStateBuffering,
 821     [libvlc_Playing]    = VLCMediaPlayerStatePlaying,
 822     [libvlc_Paused]     = VLCMediaPlayerStatePaused,
 823     [libvlc_Ended]      = VLCMediaPlayerStateEnded,
 824     [libvlc_Error]      = VLCMediaPlayerStateError
 825 };
 826
 827 - (VLCMediaPlayerState)state
 828 {
 829     return cachedState;
 830 }
 831
 832 - (float)position
 833 {
 834     return position;
 835 }
 836
 837 - (void)setPosition:(float)newPosition
 838 {
 839     libvlc_exception_t ex;
 840     libvlc_exception_init( &ex );
 841     libvlc_media_player_set_position( instance, newPosition, &ex );
 842     catch_exception( &ex );
 843 }
 844
 845 - (BOOL)isSeekable
 846 {
 847     libvlc_exception_t ex;
 848     libvlc_exception_init( &ex );
 849     BOOL ret = libvlc_media_player_is_seekable( instance, &ex );
 850     catch_exception( &ex );
 851     return ret;
 852 }
 853
 854 - (BOOL)canPause
 855 {
 856     libvlc_exception_t ex;
 857     libvlc_exception_init( &ex );
 858     BOOL ret = libvlc_media_player_can_pause( instance, &ex );
 859     catch_exception( &ex );
 860     return ret;
 861 }
 862
 863 - (void *)libVLCMediaPlayer
 864 {
 865     return instance;
 866 }
 867 @end
 868
 869 @implementation VLCMediaPlayer (Private)
 870 - (id)initWithDrawable:(id)aDrawable
 871 {
 872     if (self = [super init])
 873     {
 874         delegate = nil;
 875         media = nil;
 876         cachedTime = [[VLCTime nullTime] retain];
 877         cachedRemainingTime = [[VLCTime nullTime] retain];
 878         position = 0.0f;
 879         cachedState = VLCMediaPlayerStateStopped;
 880
 881         // Create a media instance, it doesn't matter what library we start off with
 882         // it will change depending on the media descriptor provided to the media
 883         // instance
 884         libvlc_exception_t ex;
 885         libvlc_exception_init( &ex );
 886         instance = (void *)libvlc_media_player_new([VLCLibrary sharedInstance], &ex);
 887         catch_exception( &ex );
 888
 889         [self registerObservers];
 890
 891         [self setDrawable:aDrawable];
 892     }
 893     return self;
 894 }
 895
 896 - (void)registerObservers
 897 {
 898     libvlc_exception_t ex;
 899     libvlc_exception_init( &ex );
 900
 901     // Attach event observers into the media instance
 902     libvlc_event_manager_t * p_em = libvlc_media_player_event_manager( instance, &ex );
 903     libvlc_event_attach( p_em, libvlc_MediaPlayerPlaying,          HandleMediaInstanceStateChanged, self, &ex );
 904     libvlc_event_attach( p_em, libvlc_MediaPlayerPaused,           HandleMediaInstanceStateChanged, self, &ex );
 905     libvlc_event_attach( p_em, libvlc_MediaPlayerEncounteredError, HandleMediaInstanceStateChanged, self, &ex );
 906     libvlc_event_attach( p_em, libvlc_MediaPlayerEndReached,       HandleMediaInstanceStateChanged, self, &ex );
 907     /* FIXME: We may want to turn that off when none is interested by that */
 908     libvlc_event_attach( p_em, libvlc_MediaPlayerPositionChanged, HandleMediaPositionChanged,      self, &ex );
 909     libvlc_event_attach( p_em, libvlc_MediaPlayerTimeChanged,     HandleMediaTimeChanged,          self, &ex );
 910     libvlc_event_attach( p_em, libvlc_MediaPlayerMediaChanged,     HandleMediaPlayerMediaChanged,  self, &ex );
 911     catch_exception( &ex );
 912 }
 913
 914 - (void)unregisterObservers
 915 {
 916     libvlc_event_manager_t * p_em = libvlc_media_player_event_manager( instance, NULL );
 917     libvlc_event_detach( p_em, libvlc_MediaPlayerPlaying,          HandleMediaInstanceStateChanged, self, NULL );
 918     libvlc_event_detach( p_em, libvlc_MediaPlayerPaused,           HandleMediaInstanceStateChanged, self, NULL );
 919     libvlc_event_detach( p_em, libvlc_MediaPlayerEncounteredError, HandleMediaInstanceStateChanged, self, NULL );
 920     libvlc_event_detach( p_em, libvlc_MediaPlayerEndReached,       HandleMediaInstanceStateChanged, self, NULL );
 921     libvlc_event_detach( p_em, libvlc_MediaPlayerPositionChanged,  HandleMediaPositionChanged,      self, NULL );
 922     libvlc_event_detach( p_em, libvlc_MediaPlayerTimeChanged,      HandleMediaTimeChanged,          self, NULL );
 923     libvlc_event_attach( p_em, libvlc_MediaPlayerMediaChanged,     HandleMediaPlayerMediaChanged,   self, NULL );
 924 }
 925
 926 - (void)mediaPlayerTimeChanged:(NSNumber *)newTime
 927 {
 928     [self willChangeValueForKey:@"time"];
 929     [self willChangeValueForKey:@"remainingTime"];
 930     [cachedTime release];
 931     cachedTime = [[VLCTime timeWithNumber:newTime] retain];
 932     [cachedRemainingTime release];
 933     double currentTime = [[cachedTime numberValue] doubleValue];
 934     double remaining = currentTime / position * (1 - position);
 935     cachedRemainingTime = [[VLCTime timeWithNumber:[NSNumber numberWithDouble:-remaining]] retain];
 936     [self didChangeValueForKey:@"remainingTime"];
 937     [self didChangeValueForKey:@"time"];
 938 }
 939
 940 - (void)delaySleep
 941 {
 942     UpdateSystemActivity(UsrActivity);
 943 }
 944
 945 - (void)mediaPlayerPositionChanged:(NSNumber *)newPosition
 946 {
 947     // This seems to be the most relevant place to delay sleeping and screen saver.
 948     [self delaySleep];
 949
 950     [self willChangeValueForKey:@"position"];
 951     position = [newPosition floatValue];
 952     [self didChangeValueForKey:@"position"];
 953 }
 954
 955 - (void)mediaPlayerStateChanged:(NSNumber *)newState
 956 {
 957     [self willChangeValueForKey:@"state"];
 958     cachedState = [newState intValue];
 959     [self didChangeValueForKey:@"state"];
 960 }
 961
 962 - (void)mediaPlayerMediaChanged:(VLCMedia *)newMedia
 963 {
 964     [self willChangeValueForKey:@"media"];
 965     if (media != newMedia)
 966     {
 967         [media release];
 968         media = [newMedia retain];
 969     }
 970     [self didChangeValueForKey:@"media"];
 971 }
 972
 973 @end