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     NSInteger count = libvlc_video_get_spu_count( instance, &ex );
 291     if (libvlc_exception_raised( &ex ))
 292     {
 293         libvlc_exception_clear( &ex );
 294         return NSNotFound;
 295     }
 296     if (count <= 0)
 297         return NSNotFound;
 298     NSUInteger result = libvlc_video_get_spu( instance, &ex );
 299     if (libvlc_exception_raised( &ex ))
 300     {
 301         libvlc_exception_clear( &ex );
 302         return NSNotFound;
 303     }
 304     else
 305         return result;
 306 }
 307
 308 - (BOOL)openVideoSubTitlesFromFile:(NSString *)path
 309 {
 310     libvlc_exception_t ex;
 311     libvlc_exception_init( &ex );
 312     BOOL result = libvlc_video_set_subtitle_file( instance, [path UTF8String], &ex );
 313     catch_exception( &ex );
 314     return result;
 315 }
 316
 317 - (NSArray *)videoSubTitles
 318 {
 319     libvlc_track_description_t *currentTrack = libvlc_video_get_spu_description( instance, &ex );
 320     NSMutableArray *tempArray = [NSMutableArray array];
 321     while (currentTrack) {
 322         [tempArray addObject:[NSString stringWithUTF8String:currentTrack->psz_name]];
 323         free(currentTrack->psz_name);
 324         libvlc_track_description_t *tofree = currentTrack;
 325         currentTrack = currentTrack->p_next;
 326         free(tofree);
 327     }
 328     return [NSArray arrayWithArray: tempArray];
 329 }
 330
 331
 332 #pragma mark -
 333 #pragma mark Video Crop geometry
 334
 335 - (void)setVideoCropGeometry:(char *)value
 336 {
 337     libvlc_exception_t ex;
 338     libvlc_exception_init( &ex );
 339     libvlc_video_set_crop_geometry( instance, value, &ex );
 340     catch_exception( &ex );
 341 }
 342
 343 - (char *)videoCropGeometry
 344 {
 345     libvlc_exception_t ex;
 346     libvlc_exception_init( &ex );
 347     char * result = libvlc_video_get_crop_geometry( instance, &ex );
 348     catch_exception( &ex );
 349     return result;
 350 }
 351
 352 - (void)setVideoAspectRatio:(char *)value
 353 {
 354     libvlc_exception_t ex;
 355     libvlc_exception_init( &ex );
 356     libvlc_video_set_aspect_ratio( instance, value, &ex );
 357     catch_exception( &ex );
 358 }
 359
 360 - (char *)videoAspectRatio
 361 {
 362     libvlc_exception_t ex;
 363     libvlc_exception_init( &ex );
 364     char * result = libvlc_video_get_aspect_ratio( instance, &ex );
 365     catch_exception( &ex );
 366     return result;
 367 }
 368
 369 - (void)setVideoTeleText:(NSUInteger)value
 370 {
 371     libvlc_exception_t ex;
 372     libvlc_exception_init( &ex );
 373     libvlc_video_set_teletext( instance, value, &ex );
 374     catch_exception( &ex );
 375 }
 376
 377 - (NSUInteger)videoTeleText
 378 {
 379     libvlc_exception_t ex;
 380     libvlc_exception_init( &ex );
 381     NSInteger result = libvlc_video_get_teletext( instance, &ex );
 382     catch_exception( &ex );
 383     return result;
 384 }
 385
 386 - (void)saveVideoSnapshotAt: (NSString *)path withWidth:(NSUInteger)width andHeight:(NSUInteger)height
 387 {
 388     libvlc_exception_t ex;
 389     libvlc_exception_init( &ex );
 390     libvlc_video_take_snapshot( instance, [path UTF8String], width, height, &ex );
 391     catch_exception( &ex );
 392 }
 393
 394 - (void)setDeinterlaceFilter: (NSString *)name enabled: (BOOL)enabled
 395 {
 396     libvlc_exception_t ex;
 397     libvlc_exception_init( &ex );
 398     libvlc_video_set_deinterlace( instance, (int)enabled , [name UTF8String], &ex );
 399     catch_exception( &ex );
 400 }
 401
 402 - (void)setRate:(float)value
 403 {
 404     libvlc_exception_t ex;
 405     libvlc_exception_init( &ex );
 406     libvlc_media_player_set_rate( instance, value, &ex );
 407     catch_exception( &ex );
 408 }
 409
 410 - (float)rate
 411 {
 412     libvlc_exception_t ex;
 413     libvlc_exception_init( &ex );
 414     float result = libvlc_media_player_get_rate( instance, &ex );
 415     catch_exception( &ex );
 416     return result;
 417 }
 418
 419 - (NSSize)videoSize
 420 {
 421     libvlc_exception_t ex;
 422     libvlc_exception_init( &ex );
 423     NSSize result = NSMakeSize(libvlc_video_get_height((libvlc_media_player_t *)instance, &ex),
 424                                libvlc_video_get_width((libvlc_media_player_t *)instance, &ex));
 425     catch_exception( &ex );
 426     return result;
 427 }
 428
 429 - (BOOL)hasVideoOut
 430 {
 431     libvlc_exception_t ex;
 432     libvlc_exception_init( &ex );
 433     BOOL result = libvlc_media_player_has_vout((libvlc_media_player_t *)instance, &ex);
 434     if (libvlc_exception_raised( &ex ))
 435     {
 436         libvlc_exception_clear( &ex );
 437         return NO;
 438     }
 439     else
 440         return result;
 441 }
 442
 443 - (float)framesPerSecond
 444 {
 445     libvlc_exception_t ex;
 446     libvlc_exception_init( &ex );
 447     float result = libvlc_media_player_get_fps( (libvlc_media_player_t *)instance, &ex );
 448     catch_exception( &ex );
 449     return result;
 450 }
 451
 452 - (void)setTime:(VLCTime *)value
 453 {
 454     libvlc_exception_t ex;
 455     libvlc_exception_init( &ex );
 456     // Time is managed in seconds, while duration is managed in microseconds
 457     // TODO: Redo VLCTime to provide value numberAsMilliseconds, numberAsMicroseconds, numberAsSeconds, numberAsMinutes, numberAsHours
 458     libvlc_media_player_set_time( (libvlc_media_player_t *)instance,
 459                                     (value ? [[value numberValue] longLongValue] : 0),
 460                                     &ex );
 461     catch_exception( &ex );
 462 }
 463
 464 - (VLCTime *)time
 465 {
 466     return cachedTime;
 467 }
 468
 469 - (VLCTime *)remainingTime
 470 {
 471     return cachedRemainingTime;
 472 }
 473
 474 - (NSUInteger)fps
 475 {
 476     libvlc_exception_t ex;
 477     libvlc_exception_init( &ex );
 478     NSUInteger result = libvlc_media_player_get_fps( instance, &ex );
 479     catch_exception( &ex );
 480     return result;
 481 }
 482
 483 #pragma mark -
 484 #pragma mark Chapters
 485 - (void)setCurrentChapterIndex:(NSUInteger)value;
 486 {
 487     libvlc_exception_t ex;
 488     libvlc_exception_init( &ex );
 489     libvlc_media_player_set_chapter( instance, value, &ex );
 490     catch_exception( &ex );
 491 }
 492
 493 - (NSUInteger)currentChapterIndex
 494 {
 495     libvlc_exception_t ex;
 496     libvlc_exception_init( &ex );
 497     NSInteger count = libvlc_media_player_get_chapter_count( instance, &ex );
 498     catch_exception( &ex );
 499     if (count <= 0)
 500         return NSNotFound;
 501     NSUInteger result = libvlc_media_player_get_chapter( instance, &ex );
 502     catch_exception( &ex );
 503     return result;
 504 }
 505
 506 - (void)nextChapter
 507 {
 508     libvlc_exception_t ex;
 509     libvlc_exception_init( &ex );
 510     libvlc_media_player_next_chapter( instance, &ex );
 511     catch_exception( &ex );
 512 }
 513
 514 - (void)previousChapter
 515 {
 516     libvlc_exception_t ex;
 517     libvlc_exception_init( &ex );
 518     libvlc_media_player_previous_chapter( instance, &ex );
 519     catch_exception( &ex );
 520 }
 521
 522 - (NSArray *)chaptersForTitleIndex:(NSUInteger)title
 523 {
 524     libvlc_exception_t ex;
 525     libvlc_exception_init( &ex );
 526     NSInteger count = libvlc_media_player_get_chapter_count(instance, &ex);
 527     if (count <= 0)
 528         return [NSArray array];
 529
 530     libvlc_track_description_t *tracks = libvlc_video_get_chapter_description( instance, title, &ex );
 531     NSMutableArray *tempArray = [NSMutableArray array];
 532     NSInteger i;
 533     for (i = 0; i < count ; i++)
 534     {
 535         [tempArray addObject:[NSString stringWithUTF8String: tracks->psz_name]];
 536         tracks = tracks->p_next;
 537     }
 538     return [NSArray arrayWithArray: tempArray];
 539 }
 540
 541 #pragma mark -
 542 #pragma mark Titles
 543
 544 - (void)setCurrentTitleIndex:(NSUInteger)value
 545 {
 546     libvlc_exception_t ex;
 547     libvlc_exception_init( &ex );
 548     libvlc_media_player_set_title( instance, value, &ex );
 549     catch_exception( &ex );
 550 }
 551
 552 - (NSUInteger)currentTitleIndex
 553 {
 554     libvlc_exception_t ex;
 555     libvlc_exception_init( &ex );
 556
 557     NSInteger count = libvlc_media_player_get_title_count( instance, &ex );
 558     catch_exception( &ex );
 559     if (count <= 0)
 560         return NSNotFound;
 561
 562     NSUInteger result = libvlc_media_player_get_title( instance, &ex );
 563     catch_exception( &ex );
 564     return result;
 565 }
 566
 567 - (NSUInteger)countOfTitles
 568 {
 569     libvlc_exception_t ex;
 570     libvlc_exception_init( &ex );
 571     NSUInteger result = libvlc_media_player_get_title_count( instance, &ex );
 572     catch_exception( &ex );
 573     return result;
 574 }
 575
 576 - (NSArray *)titles
 577 {
 578     libvlc_exception_t ex;
 579     libvlc_exception_init( &ex );
 580     libvlc_track_description_t *tracks = libvlc_video_get_title_description( instance, &ex );
 581     NSMutableArray *tempArray = [NSMutableArray array];
 582     NSInteger i;
 583     for (i = 0; i < [self countOfTitles] ; i++)
 584     {
 585         [tempArray addObject:[NSString stringWithUTF8String: tracks->psz_name]];
 586         tracks = tracks->p_next;
 587     }
 588     return [NSArray arrayWithArray: tempArray];
 589 }
 590
 591 #pragma mark -
 592 #pragma mark Audio tracks
 593 - (void)setCurrentAudioTrackIndex:(NSUInteger)value
 594 {
 595     libvlc_exception_t ex;
 596     libvlc_exception_init( &ex );
 597     libvlc_audio_set_track( instance, (int)value, &ex );
 598     catch_exception( &ex );
 599 }
 600
 601 - (NSUInteger)currentAudioTrackIndex
 602 {
 603     libvlc_exception_t ex;
 604     libvlc_exception_init( &ex );
 605     NSInteger count = libvlc_audio_get_track_count( instance, &ex );
 606     catch_exception( &ex );
 607     if (count <= 0)
 608         return NSNotFound;
 609
 610     NSUInteger result = libvlc_audio_get_track( instance, &ex );
 611     catch_exception( &ex );
 612     return result;
 613 }
 614
 615 - (NSArray *)audioTracks
 616 {
 617     libvlc_exception_t ex;
 618     libvlc_exception_init( &ex );
 619     NSInteger count = libvlc_audio_get_track_count( instance, &ex );
 620     catch_exception( &ex );
 621     if (count <= 0)
 622         return [NSArray array];
 623
 624     libvlc_track_description_t *tracks = libvlc_audio_get_track_description( instance, &ex );
 625     NSMutableArray *tempArray = [NSMutableArray array];
 626     NSUInteger i;
 627     for (i = 0; i < count ; i++)
 628     {
 629         [tempArray addObject:[NSString stringWithUTF8String: tracks->psz_name]];
 630         tracks = tracks->p_next;
 631     }
 632
 633     return [NSArray arrayWithArray: tempArray];
 634 }
 635
 636 - (void)setAudioChannel:(NSInteger)value
 637 {
 638     libvlc_exception_t ex;
 639     libvlc_exception_init( &ex );
 640     libvlc_audio_set_channel( instance, value, &ex );
 641     catch_exception( &ex );
 642 }
 643
 644 - (NSInteger)audioChannel
 645 {
 646     libvlc_exception_t ex;
 647     libvlc_exception_init( &ex );
 648     NSInteger result = libvlc_audio_get_channel( instance, &ex );
 649     catch_exception( &ex );
 650     return result;
 651 }
 652
 653 - (void)setMedia:(VLCMedia *)value
 654 {
 655     if (media != value)
 656     {
 657         if (media && [media compare:value] == NSOrderedSame)
 658             return;
 659
 660         [media release];
 661         media = [value retain];
 662
 663         libvlc_exception_t ex;
 664         libvlc_exception_init( &ex );
 665         libvlc_media_player_set_media( instance, [media libVLCMediaDescriptor], &ex );
 666         catch_exception( &ex );
 667     }
 668 }
 669
 670 - (VLCMedia *)media
 671 {
 672     return media;
 673 }
 674
 675 - (BOOL)play
 676 {
 677     libvlc_exception_t ex;
 678     libvlc_exception_init( &ex );
 679     libvlc_media_player_play( (libvlc_media_player_t *)instance, &ex );
 680     catch_exception( &ex );
 681     return YES;
 682 }
 683
 684 - (void)pause
 685 {
 686     if( [NSThread isMainThread] )
 687     {
 688         /* Hack because we create a dead lock here, when the vout is stopped
 689          * and tries to recontact us on the main thread */
 690         /* FIXME: to do this properly we need to do some locking. We may want
 691          * to move that to libvlc */
 692         [self performSelectorInBackground:@selector(pause) withObject:nil];
 693         return;
 694     }
 695
 696     // Pause the stream
 697     libvlc_exception_t ex;
 698     libvlc_exception_init( &ex );
 699     libvlc_media_player_pause( (libvlc_media_player_t *)instance, &ex );
 700
 701     // fail gracefully
 702     // in most cases, it's just EOF so let's stop
 703     if (libvlc_exception_raised(&ex))
 704         [self stop];
 705
 706     libvlc_exception_clear(&ex);
 707 }
 708
 709 - (void)stop
 710 {
 711     libvlc_exception_t ex;
 712     libvlc_exception_init( &ex );
 713     libvlc_media_player_stop((libvlc_media_player_t *)instance, &ex);
 714     catch_exception( &ex );
 715 }
 716
 717 - (void)fastForward
 718 {
 719     [self fastForwardAtRate: 2.0];
 720 }
 721
 722 - (void)fastForwardAtRate:(float)rate
 723 {
 724     [self setRate:rate];
 725 }
 726
 727 - (void)rewind
 728 {
 729     [self rewindAtRate: 2.0];
 730 }
 731
 732 - (void)rewindAtRate:(float)rate
 733 {
 734     [self setRate: -rate];
 735 }
 736
 737 - (void)jumpBackward:(NSInteger)interval
 738 {
 739     if( [self isSeekable] )
 740     {
 741         interval = interval * 1000;
 742         [self setTime: [VLCTime timeWithInt: ([[self time] intValue] - interval)]];
 743     }
 744 }
 745
 746 - (void)jumpForward:(NSInteger)interval
 747 {
 748     if( [self isSeekable] )
 749     {
 750         interval = interval * 1000;
 751         [self setTime: [VLCTime timeWithInt: ([[self time] intValue] + interval)]];
 752     }
 753 }
 754
 755 - (void)extraShortJumpBackward
 756 {
 757     [self jumpBackward:3];
 758 }
 759
 760 - (void)extraShortJumpForward
 761 {
 762     [self jumpForward:3];
 763 }
 764
 765 - (void)shortJumpBackward
 766 {
 767     [self jumpBackward:10];
 768 }
 769
 770 - (void)shortJumpForward
 771 {
 772     [self jumpForward:10];
 773 }
 774
 775 - (void)mediumJumpBackward
 776 {
 777     [self jumpBackward:60];
 778 }
 779
 780 - (void)mediumJumpForward
 781 {
 782     [self jumpForward:60];
 783 }
 784
 785 - (void)longJumpBackward
 786 {
 787     [self jumpBackward:300];
 788 }
 789
 790 - (void)longJumpForward
 791 {
 792     [self jumpForward:300];
 793 }
 794
 795 + (NSSet *)keyPathsForValuesAffectingIsPlaying
 796 {
 797     return [NSSet setWithObjects:@"state", nil];
 798 }
 799
 800 - (BOOL)isPlaying
 801 {
 802     VLCMediaPlayerState state = [self state];
 803     return ((state == VLCMediaPlayerStateOpening) || (state == VLCMediaPlayerStateBuffering) ||
 804             (state == VLCMediaPlayerStatePlaying));
 805 }
 806
 807 - (BOOL)willPlay
 808 {
 809     libvlc_exception_t ex;
 810     libvlc_exception_init( &ex );
 811     BOOL ret = libvlc_media_player_will_play( (libvlc_media_player_t *)instance, &ex );
 812     if (libvlc_exception_raised(&ex))
 813     {
 814         libvlc_exception_clear(&ex);
 815         return NO;
 816     }
 817     else
 818         return ret;
 819 }
 820
 821 static const VLCMediaPlayerState libvlc_to_local_state[] =
 822 {
 823     [libvlc_Stopped]    = VLCMediaPlayerStateStopped,
 824     [libvlc_Opening]    = VLCMediaPlayerStateOpening,
 825     [libvlc_Buffering]  = VLCMediaPlayerStateBuffering,
 826     [libvlc_Playing]    = VLCMediaPlayerStatePlaying,
 827     [libvlc_Paused]     = VLCMediaPlayerStatePaused,
 828     [libvlc_Ended]      = VLCMediaPlayerStateEnded,
 829     [libvlc_Error]      = VLCMediaPlayerStateError
 830 };
 831
 832 - (VLCMediaPlayerState)state
 833 {
 834     return cachedState;
 835 }
 836
 837 - (float)position
 838 {
 839     return position;
 840 }
 841
 842 - (void)setPosition:(float)newPosition
 843 {
 844     libvlc_exception_t ex;
 845     libvlc_exception_init( &ex );
 846     libvlc_media_player_set_position( instance, newPosition, &ex );
 847     catch_exception( &ex );
 848 }
 849
 850 - (BOOL)isSeekable
 851 {
 852     libvlc_exception_t ex;
 853     libvlc_exception_init( &ex );
 854     BOOL ret = libvlc_media_player_is_seekable( instance, &ex );
 855     catch_exception( &ex );
 856     return ret;
 857 }
 858
 859 - (BOOL)canPause
 860 {
 861     libvlc_exception_t ex;
 862     libvlc_exception_init( &ex );
 863     BOOL ret = libvlc_media_player_can_pause( instance, &ex );
 864     catch_exception( &ex );
 865     return ret;
 866 }
 867
 868 - (void *)libVLCMediaPlayer
 869 {
 870     return instance;
 871 }
 872 @end
 873
 874 @implementation VLCMediaPlayer (Private)
 875 - (id)initWithDrawable:(id)aDrawable
 876 {
 877     if (self = [super init])
 878     {
 879         delegate = nil;
 880         media = nil;
 881         cachedTime = [[VLCTime nullTime] retain];
 882         cachedRemainingTime = [[VLCTime nullTime] retain];
 883         position = 0.0f;
 884         cachedState = VLCMediaPlayerStateStopped;
 885
 886         // Create a media instance, it doesn't matter what library we start off with
 887         // it will change depending on the media descriptor provided to the media
 888         // instance
 889         libvlc_exception_t ex;
 890         libvlc_exception_init( &ex );
 891         instance = (void *)libvlc_media_player_new([VLCLibrary sharedInstance], &ex);
 892         catch_exception( &ex );
 893
 894         [self registerObservers];
 895
 896         [self setDrawable:aDrawable];
 897     }
 898     return self;
 899 }
 900
 901 - (void)registerObservers
 902 {
 903     libvlc_exception_t ex;
 904     libvlc_exception_init( &ex );
 905
 906     // Attach event observers into the media instance
 907     libvlc_event_manager_t * p_em = libvlc_media_player_event_manager( instance, &ex );
 908     libvlc_event_attach( p_em, libvlc_MediaPlayerPlaying,          HandleMediaInstanceStateChanged, self, &ex );
 909     libvlc_event_attach( p_em, libvlc_MediaPlayerPaused,           HandleMediaInstanceStateChanged, self, &ex );
 910     libvlc_event_attach( p_em, libvlc_MediaPlayerEncounteredError, HandleMediaInstanceStateChanged, self, &ex );
 911     libvlc_event_attach( p_em, libvlc_MediaPlayerEndReached,       HandleMediaInstanceStateChanged, self, &ex );
 912     /* FIXME: We may want to turn that off when none is interested by that */
 913     libvlc_event_attach( p_em, libvlc_MediaPlayerPositionChanged, HandleMediaPositionChanged,      self, &ex );
 914     libvlc_event_attach( p_em, libvlc_MediaPlayerTimeChanged,     HandleMediaTimeChanged,          self, &ex );
 915     libvlc_event_attach( p_em, libvlc_MediaPlayerMediaChanged,     HandleMediaPlayerMediaChanged,  self, &ex );
 916     catch_exception( &ex );
 917 }
 918
 919 - (void)unregisterObservers
 920 {
 921     libvlc_event_manager_t * p_em = libvlc_media_player_event_manager( instance, NULL );
 922     libvlc_event_detach( p_em, libvlc_MediaPlayerPlaying,          HandleMediaInstanceStateChanged, self, NULL );
 923     libvlc_event_detach( p_em, libvlc_MediaPlayerPaused,           HandleMediaInstanceStateChanged, self, NULL );
 924     libvlc_event_detach( p_em, libvlc_MediaPlayerEncounteredError, HandleMediaInstanceStateChanged, self, NULL );
 925     libvlc_event_detach( p_em, libvlc_MediaPlayerEndReached,       HandleMediaInstanceStateChanged, self, NULL );
 926     libvlc_event_detach( p_em, libvlc_MediaPlayerPositionChanged,  HandleMediaPositionChanged,      self, NULL );
 927     libvlc_event_detach( p_em, libvlc_MediaPlayerTimeChanged,      HandleMediaTimeChanged,          self, NULL );
 928     libvlc_event_attach( p_em, libvlc_MediaPlayerMediaChanged,     HandleMediaPlayerMediaChanged,   self, NULL );
 929 }
 930
 931 - (void)mediaPlayerTimeChanged:(NSNumber *)newTime
 932 {
 933     [self willChangeValueForKey:@"time"];
 934     [self willChangeValueForKey:@"remainingTime"];
 935     [cachedTime release];
 936     cachedTime = [[VLCTime timeWithNumber:newTime] retain];
 937     [cachedRemainingTime release];
 938     double currentTime = [[cachedTime numberValue] doubleValue];
 939     double remaining = currentTime / position * (1 - position);
 940     cachedRemainingTime = [[VLCTime timeWithNumber:[NSNumber numberWithDouble:-remaining]] retain];
 941     [self didChangeValueForKey:@"remainingTime"];
 942     [self didChangeValueForKey:@"time"];
 943 }
 944
 945 - (void)delaySleep
 946 {
 947     UpdateSystemActivity(UsrActivity);
 948 }
 949
 950 - (void)mediaPlayerPositionChanged:(NSNumber *)newPosition
 951 {
 952     // This seems to be the most relevant place to delay sleeping and screen saver.
 953     [self delaySleep];
 954
 955     [self willChangeValueForKey:@"position"];
 956     position = [newPosition floatValue];
 957     [self didChangeValueForKey:@"position"];
 958 }
 959
 960 - (void)mediaPlayerStateChanged:(NSNumber *)newState
 961 {
 962     [self willChangeValueForKey:@"state"];
 963     cachedState = [newState intValue];
 964     [self didChangeValueForKey:@"state"];
 965 }
 966
 967 - (void)mediaPlayerMediaChanged:(VLCMedia *)newMedia
 968 {
 969     [self willChangeValueForKey:@"media"];
 970     if (media != newMedia)
 971     {
 972         [media release];
 973         media = [newMedia retain];
 974     }
 975     [self didChangeValueForKey:@"media"];
 976 }
 977
 978 @end