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) == 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);
 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_media_player_set_nsobject(instance, aDrawable);
 256 }
 257
 258 - (id)drawable
 259 {
 260     libvlc_exception_t ex;
 261     libvlc_exception_init( &ex );
 262     id ret = libvlc_media_player_get_nsobject(instance);
 263     catch_exception( &ex );
 264     return ret;
 265 }
 266
 267 - (VLCAudio *)audio
 268 {
 269     return [[VLCLibrary sharedLibrary] audio];
 270 }
 271
 272 #pragma mark -
 273 #pragma mark Subtitles
 274
 275 - (void)setCurrentVideoSubTitleIndex:(NSUInteger)index
 276 {
 277     libvlc_exception_t ex;
 278     libvlc_exception_init( &ex );
 279     libvlc_video_set_spu( instance, (int)index, &ex );
 280     catch_exception( &ex );
 281 }
 282
 283 - (NSUInteger)currentVideoSubTitleIndex
 284 {
 285     libvlc_exception_t ex;
 286     libvlc_exception_init( &ex );
 287     NSInteger count = libvlc_video_get_spu_count( instance, &ex );
 288     if (libvlc_exception_raised( &ex ))
 289     {
 290         libvlc_exception_clear( &ex );
 291         return NSNotFound;
 292     }
 293     if (count <= 0)
 294         return NSNotFound;
 295     NSUInteger result = libvlc_video_get_spu( instance, &ex );
 296     if (libvlc_exception_raised( &ex ))
 297     {
 298         libvlc_exception_clear( &ex );
 299         return NSNotFound;
 300     }
 301     else
 302         return result;
 303 }
 304
 305 - (BOOL)openVideoSubTitlesFromFile:(NSString *)path
 306 {
 307     libvlc_exception_t ex;
 308     libvlc_exception_init( &ex );
 309     BOOL result = libvlc_video_set_subtitle_file( instance, [path UTF8String], &ex );
 310     catch_exception( &ex );
 311     return result;
 312 }
 313
 314 - (NSArray *)videoSubTitles
 315 {
 316     libvlc_exception_t ex;
 317     libvlc_exception_init( &ex );
 318     libvlc_track_description_t *currentTrack = libvlc_video_get_spu_description( instance, &ex );
 319     catch_exception( &ex );
 320
 321     NSMutableArray *tempArray = [NSMutableArray array];
 322     while (currentTrack) {
 323         [tempArray addObject:[NSString stringWithUTF8String:currentTrack->psz_name]];
 324         free(currentTrack->psz_name);
 325         libvlc_track_description_t *tofree = currentTrack;
 326         currentTrack = currentTrack->p_next;
 327         free(tofree);
 328     }
 329     return [NSArray arrayWithArray: tempArray];
 330 }
 331
 332
 333 #pragma mark -
 334 #pragma mark Video Crop geometry
 335
 336 - (void)setVideoCropGeometry:(char *)value
 337 {
 338     libvlc_exception_t ex;
 339     libvlc_exception_init( &ex );
 340     libvlc_video_set_crop_geometry( instance, value, &ex );
 341     catch_exception( &ex );
 342 }
 343
 344 - (char *)videoCropGeometry
 345 {
 346     libvlc_exception_t ex;
 347     libvlc_exception_init( &ex );
 348     char * result = libvlc_video_get_crop_geometry( instance, &ex );
 349     catch_exception( &ex );
 350     return result;
 351 }
 352
 353 - (void)setVideoAspectRatio:(char *)value
 354 {
 355     libvlc_exception_t ex;
 356     libvlc_exception_init( &ex );
 357     libvlc_video_set_aspect_ratio( instance, value, &ex );
 358     catch_exception( &ex );
 359 }
 360
 361 - (char *)videoAspectRatio
 362 {
 363     libvlc_exception_t ex;
 364     libvlc_exception_init( &ex );
 365     char * result = libvlc_video_get_aspect_ratio( instance, &ex );
 366     catch_exception( &ex );
 367     return result;
 368 }
 369
 370 - (void)saveVideoSnapshotAt: (NSString *)path withWidth:(NSUInteger)width andHeight:(NSUInteger)height
 371 {
 372     libvlc_exception_t ex;
 373     libvlc_exception_init( &ex );
 374     libvlc_video_take_snapshot( instance, [path UTF8String], width, height, &ex );
 375     catch_exception( &ex );
 376 }
 377
 378 - (void)setDeinterlaceFilter: (NSString *)name enabled: (BOOL)enabled
 379 {
 380     libvlc_exception_t ex;
 381     libvlc_exception_init( &ex );
 382     libvlc_video_set_deinterlace( instance, (int)enabled , [name UTF8String], &ex );
 383     catch_exception( &ex );
 384 }
 385
 386 - (void)setRate:(float)value
 387 {
 388     libvlc_exception_t ex;
 389     libvlc_exception_init( &ex );
 390     libvlc_media_player_set_rate( instance, value, &ex );
 391     catch_exception( &ex );
 392 }
 393
 394 - (float)rate
 395 {
 396     libvlc_exception_t ex;
 397     libvlc_exception_init( &ex );
 398     float result = libvlc_media_player_get_rate( instance, &ex );
 399     catch_exception( &ex );
 400     return result;
 401 }
 402
 403 - (NSSize)videoSize
 404 {
 405     libvlc_exception_t ex;
 406     libvlc_exception_init( &ex );
 407     NSSize result = NSMakeSize(libvlc_video_get_height((libvlc_media_player_t *)instance, &ex),
 408                                libvlc_video_get_width((libvlc_media_player_t *)instance, &ex));
 409     catch_exception( &ex );
 410     return result;
 411 }
 412
 413 - (BOOL)hasVideoOut
 414 {
 415     libvlc_exception_t ex;
 416     libvlc_exception_init( &ex );
 417     BOOL result = libvlc_media_player_has_vout((libvlc_media_player_t *)instance, &ex);
 418     if (libvlc_exception_raised( &ex ))
 419     {
 420         libvlc_exception_clear( &ex );
 421         return NO;
 422     }
 423     else
 424         return result;
 425 }
 426
 427 - (float)framesPerSecond
 428 {
 429     libvlc_exception_t ex;
 430     libvlc_exception_init( &ex );
 431     float result = libvlc_media_player_get_fps( (libvlc_media_player_t *)instance, &ex );
 432     catch_exception( &ex );
 433     return result;
 434 }
 435
 436 - (void)setTime:(VLCTime *)value
 437 {
 438     libvlc_exception_t ex;
 439     libvlc_exception_init( &ex );
 440     // Time is managed in seconds, while duration is managed in microseconds
 441     // TODO: Redo VLCTime to provide value numberAsMilliseconds, numberAsMicroseconds, numberAsSeconds, numberAsMinutes, numberAsHours
 442     libvlc_media_player_set_time( (libvlc_media_player_t *)instance,
 443                                     (value ? [[value numberValue] longLongValue] : 0),
 444                                     &ex );
 445     catch_exception( &ex );
 446 }
 447
 448 - (VLCTime *)time
 449 {
 450     return cachedTime;
 451 }
 452
 453 - (VLCTime *)remainingTime
 454 {
 455     return cachedRemainingTime;
 456 }
 457
 458 - (NSUInteger)fps
 459 {
 460     libvlc_exception_t ex;
 461     libvlc_exception_init( &ex );
 462     NSUInteger result = libvlc_media_player_get_fps( instance, &ex );
 463     catch_exception( &ex );
 464     return result;
 465 }
 466
 467 #pragma mark -
 468 #pragma mark Chapters
 469 - (void)setCurrentChapterIndex:(NSUInteger)value;
 470 {
 471     libvlc_exception_t ex;
 472     libvlc_exception_init( &ex );
 473     libvlc_media_player_set_chapter( instance, value, &ex );
 474     catch_exception( &ex );
 475 }
 476
 477 - (NSUInteger)currentChapterIndex
 478 {
 479     libvlc_exception_t ex;
 480     libvlc_exception_init( &ex );
 481     NSInteger count = libvlc_media_player_get_chapter_count( instance, &ex );
 482     catch_exception( &ex );
 483     if (count <= 0)
 484         return NSNotFound;
 485     NSUInteger result = libvlc_media_player_get_chapter( instance, &ex );
 486     catch_exception( &ex );
 487     return result;
 488 }
 489
 490 - (void)nextChapter
 491 {
 492     libvlc_exception_t ex;
 493     libvlc_exception_init( &ex );
 494     libvlc_media_player_next_chapter( instance, &ex );
 495     catch_exception( &ex );
 496 }
 497
 498 - (void)previousChapter
 499 {
 500     libvlc_exception_t ex;
 501     libvlc_exception_init( &ex );
 502     libvlc_media_player_previous_chapter( instance, &ex );
 503     catch_exception( &ex );
 504 }
 505
 506 - (NSArray *)chaptersForTitleIndex:(NSUInteger)title
 507 {
 508     libvlc_exception_t ex;
 509     libvlc_exception_init( &ex );
 510     NSInteger count = libvlc_media_player_get_chapter_count(instance, &ex);
 511     if (count <= 0)
 512         return [NSArray array];
 513
 514     libvlc_track_description_t *tracks = libvlc_video_get_chapter_description( instance, title, &ex );
 515     NSMutableArray *tempArray = [NSMutableArray array];
 516     NSInteger i;
 517     for (i = 0; i < count ; i++)
 518     {
 519         [tempArray addObject:[NSString stringWithUTF8String: tracks->psz_name]];
 520         tracks = tracks->p_next;
 521     }
 522     return [NSArray arrayWithArray: tempArray];
 523 }
 524
 525 #pragma mark -
 526 #pragma mark Titles
 527
 528 - (void)setCurrentTitleIndex:(NSUInteger)value
 529 {
 530     libvlc_exception_t ex;
 531     libvlc_exception_init( &ex );
 532     libvlc_media_player_set_title( instance, value, &ex );
 533     catch_exception( &ex );
 534 }
 535
 536 - (NSUInteger)currentTitleIndex
 537 {
 538     libvlc_exception_t ex;
 539     libvlc_exception_init( &ex );
 540
 541     NSInteger count = libvlc_media_player_get_title_count( instance, &ex );
 542     catch_exception( &ex );
 543     if (count <= 0)
 544         return NSNotFound;
 545
 546     NSUInteger result = libvlc_media_player_get_title( instance, &ex );
 547     catch_exception( &ex );
 548     return result;
 549 }
 550
 551 - (NSUInteger)countOfTitles
 552 {
 553     libvlc_exception_t ex;
 554     libvlc_exception_init( &ex );
 555     NSUInteger result = libvlc_media_player_get_title_count( instance, &ex );
 556     catch_exception( &ex );
 557     return result;
 558 }
 559
 560 - (NSArray *)titles
 561 {
 562     libvlc_exception_t ex;
 563     libvlc_exception_init( &ex );
 564     libvlc_track_description_t *tracks = libvlc_video_get_title_description( instance, &ex );
 565     NSMutableArray *tempArray = [NSMutableArray array];
 566     NSInteger i;
 567     for (i = 0; i < [self countOfTitles] ; i++)
 568     {
 569         [tempArray addObject:[NSString stringWithUTF8String: tracks->psz_name]];
 570         tracks = tracks->p_next;
 571     }
 572     return [NSArray arrayWithArray: tempArray];
 573 }
 574
 575 #pragma mark -
 576 #pragma mark Audio tracks
 577 - (void)setCurrentAudioTrackIndex:(NSUInteger)value
 578 {
 579     libvlc_exception_t ex;
 580     libvlc_exception_init( &ex );
 581     libvlc_audio_set_track( instance, (int)value, &ex );
 582     catch_exception( &ex );
 583 }
 584
 585 - (NSUInteger)currentAudioTrackIndex
 586 {
 587     libvlc_exception_t ex;
 588     libvlc_exception_init( &ex );
 589     NSInteger count = libvlc_audio_get_track_count( instance, &ex );
 590     catch_exception( &ex );
 591     if (count <= 0)
 592         return NSNotFound;
 593
 594     NSUInteger result = libvlc_audio_get_track( instance, &ex );
 595     catch_exception( &ex );
 596     return result;
 597 }
 598
 599 - (NSArray *)audioTracks
 600 {
 601     libvlc_exception_t ex;
 602     libvlc_exception_init( &ex );
 603     NSInteger count = libvlc_audio_get_track_count( instance, &ex );
 604     catch_exception( &ex );
 605     if (count <= 0)
 606         return [NSArray array];
 607
 608     libvlc_track_description_t *tracks = libvlc_audio_get_track_description( instance, &ex );
 609     NSMutableArray *tempArray = [NSMutableArray array];
 610     NSUInteger i;
 611     for (i = 0; i < count ; i++)
 612     {
 613         [tempArray addObject:[NSString stringWithUTF8String: tracks->psz_name]];
 614         tracks = tracks->p_next;
 615     }
 616
 617     return [NSArray arrayWithArray: tempArray];
 618 }
 619
 620 - (void)setAudioChannel:(NSInteger)value
 621 {
 622     libvlc_exception_t ex;
 623     libvlc_exception_init( &ex );
 624     libvlc_audio_set_channel( instance, value, &ex );
 625     catch_exception( &ex );
 626 }
 627
 628 - (NSInteger)audioChannel
 629 {
 630     libvlc_exception_t ex;
 631     libvlc_exception_init( &ex );
 632     NSInteger result = libvlc_audio_get_channel( instance, &ex );
 633     catch_exception( &ex );
 634     return result;
 635 }
 636
 637 - (void)setMedia:(VLCMedia *)value
 638 {
 639     if (media != value)
 640     {
 641         if (media && [media compare:value] == NSOrderedSame)
 642             return;
 643
 644         [media release];
 645         media = [value retain];
 646
 647         libvlc_media_player_set_media(instance, [media libVLCMediaDescriptor]);
 648     }
 649 }
 650
 651 - (VLCMedia *)media
 652 {
 653     return media;
 654 }
 655
 656 - (BOOL)play
 657 {
 658     libvlc_exception_t ex;
 659     libvlc_exception_init( &ex );
 660     libvlc_media_player_play( (libvlc_media_player_t *)instance, &ex );
 661     catch_exception( &ex );
 662     return YES;
 663 }
 664
 665 - (void)pause
 666 {
 667     if( [NSThread isMainThread] )
 668     {
 669         /* Hack because we create a dead lock here, when the vout is stopped
 670          * and tries to recontact us on the main thread */
 671         /* FIXME: to do this properly we need to do some locking. We may want
 672          * to move that to libvlc */
 673         [self performSelectorInBackground:@selector(pause) withObject:nil];
 674         return;
 675     }
 676
 677     // Pause the stream
 678     libvlc_exception_t ex;
 679     libvlc_exception_init(&ex);
 680     libvlc_media_player_pause(instance, &ex);
 681
 682     // fail gracefully
 683     // in most cases, it's just EOF so let's stop
 684     if (libvlc_exception_raised(&ex))
 685         [self stop];
 686
 687     libvlc_exception_clear(&ex);
 688 }
 689
 690 - (void)stop
 691 {
 692     libvlc_media_player_stop(instance);
 693 }
 694
 695 - (void)fastForward
 696 {
 697     [self fastForwardAtRate: 2.0];
 698 }
 699
 700 - (void)fastForwardAtRate:(float)rate
 701 {
 702     [self setRate:rate];
 703 }
 704
 705 - (void)rewind
 706 {
 707     [self rewindAtRate: 2.0];
 708 }
 709
 710 - (void)rewindAtRate:(float)rate
 711 {
 712     [self setRate: -rate];
 713 }
 714
 715 - (void)jumpBackward:(NSInteger)interval
 716 {
 717     if( [self isSeekable] )
 718     {
 719         interval = interval * 1000;
 720         [self setTime: [VLCTime timeWithInt: ([[self time] intValue] - interval)]];
 721     }
 722 }
 723
 724 - (void)jumpForward:(NSInteger)interval
 725 {
 726     if( [self isSeekable] )
 727     {
 728         interval = interval * 1000;
 729         [self setTime: [VLCTime timeWithInt: ([[self time] intValue] + interval)]];
 730     }
 731 }
 732
 733 - (void)extraShortJumpBackward
 734 {
 735     [self jumpBackward:3];
 736 }
 737
 738 - (void)extraShortJumpForward
 739 {
 740     [self jumpForward:3];
 741 }
 742
 743 - (void)shortJumpBackward
 744 {
 745     [self jumpBackward:10];
 746 }
 747
 748 - (void)shortJumpForward
 749 {
 750     [self jumpForward:10];
 751 }
 752
 753 - (void)mediumJumpBackward
 754 {
 755     [self jumpBackward:60];
 756 }
 757
 758 - (void)mediumJumpForward
 759 {
 760     [self jumpForward:60];
 761 }
 762
 763 - (void)longJumpBackward
 764 {
 765     [self jumpBackward:300];
 766 }
 767
 768 - (void)longJumpForward
 769 {
 770     [self jumpForward:300];
 771 }
 772
 773 + (NSSet *)keyPathsForValuesAffectingIsPlaying
 774 {
 775     return [NSSet setWithObjects:@"state", nil];
 776 }
 777
 778 - (BOOL)isPlaying
 779 {
 780     VLCMediaPlayerState state = [self state];
 781     return ((state == VLCMediaPlayerStateOpening) || (state == VLCMediaPlayerStateBuffering) ||
 782             (state == VLCMediaPlayerStatePlaying));
 783 }
 784
 785 - (BOOL)willPlay
 786 {
 787     libvlc_exception_t ex;
 788     libvlc_exception_init( &ex );
 789     BOOL ret = libvlc_media_player_will_play( (libvlc_media_player_t *)instance, &ex );
 790     if (libvlc_exception_raised(&ex))
 791     {
 792         libvlc_exception_clear(&ex);
 793         return NO;
 794     }
 795     else
 796         return ret;
 797 }
 798
 799 static const VLCMediaPlayerState libvlc_to_local_state[] =
 800 {
 801     [libvlc_Stopped]    = VLCMediaPlayerStateStopped,
 802     [libvlc_Opening]    = VLCMediaPlayerStateOpening,
 803     [libvlc_Buffering]  = VLCMediaPlayerStateBuffering,
 804     [libvlc_Playing]    = VLCMediaPlayerStatePlaying,
 805     [libvlc_Paused]     = VLCMediaPlayerStatePaused,
 806     [libvlc_Ended]      = VLCMediaPlayerStateEnded,
 807     [libvlc_Error]      = VLCMediaPlayerStateError
 808 };
 809
 810 - (VLCMediaPlayerState)state
 811 {
 812     return cachedState;
 813 }
 814
 815 - (float)position
 816 {
 817     return position;
 818 }
 819
 820 - (void)setPosition:(float)newPosition
 821 {
 822     libvlc_exception_t ex;
 823     libvlc_exception_init( &ex );
 824     libvlc_media_player_set_position( instance, newPosition, &ex );
 825     catch_exception( &ex );
 826 }
 827
 828 - (BOOL)isSeekable
 829 {
 830     libvlc_exception_t ex;
 831     libvlc_exception_init( &ex );
 832     BOOL ret = libvlc_media_player_is_seekable( instance, &ex );
 833     catch_exception( &ex );
 834     return ret;
 835 }
 836
 837 - (BOOL)canPause
 838 {
 839     libvlc_exception_t ex;
 840     libvlc_exception_init( &ex );
 841     BOOL ret = libvlc_media_player_can_pause( instance, &ex );
 842     catch_exception( &ex );
 843     return ret;
 844 }
 845
 846 - (void *)libVLCMediaPlayer
 847 {
 848     return instance;
 849 }
 850 @end
 851
 852 @implementation VLCMediaPlayer (Private)
 853 - (id)initWithDrawable:(id)aDrawable
 854 {
 855     if (self = [super init])
 856     {
 857         delegate = nil;
 858         media = nil;
 859         cachedTime = [[VLCTime nullTime] retain];
 860         cachedRemainingTime = [[VLCTime nullTime] retain];
 861         position = 0.0f;
 862         cachedState = VLCMediaPlayerStateStopped;
 863
 864         // Create a media instance, it doesn't matter what library we start off with
 865         // it will change depending on the media descriptor provided to the media
 866         // instance
 867         libvlc_exception_t ex;
 868         libvlc_exception_init( &ex );
 869         instance = (void *)libvlc_media_player_new([VLCLibrary sharedInstance], &ex);
 870         catch_exception( &ex );
 871
 872         [self registerObservers];
 873
 874         [self setDrawable:aDrawable];
 875     }
 876     return self;
 877 }
 878
 879 - (void)registerObservers
 880 {
 881     libvlc_exception_t ex;
 882     libvlc_exception_init( &ex );
 883
 884     // Attach event observers into the media instance
 885     libvlc_event_manager_t * p_em = libvlc_media_player_event_manager(instance);
 886     libvlc_event_attach(p_em, libvlc_MediaPlayerPlaying,          HandleMediaInstanceStateChanged, self, &ex);
 887     libvlc_event_attach(p_em, libvlc_MediaPlayerPaused,           HandleMediaInstanceStateChanged, self, &ex);
 888     libvlc_event_attach(p_em, libvlc_MediaPlayerEncounteredError, HandleMediaInstanceStateChanged, self, &ex);
 889     libvlc_event_attach(p_em, libvlc_MediaPlayerEndReached,       HandleMediaInstanceStateChanged, self, &ex);
 890     /* FIXME: We may want to turn that off when none is interested by that */
 891     libvlc_event_attach(p_em, libvlc_MediaPlayerPositionChanged, HandleMediaPositionChanged,      self, &ex);
 892     libvlc_event_attach(p_em, libvlc_MediaPlayerTimeChanged,     HandleMediaTimeChanged,          self, &ex);
 893     libvlc_event_attach(p_em, libvlc_MediaPlayerMediaChanged,    HandleMediaPlayerMediaChanged,  self, &ex);
 894     catch_exception(&ex);
 895 }
 896
 897 - (void)unregisterObservers
 898 {
 899     libvlc_event_manager_t * p_em = libvlc_media_player_event_manager(instance);
 900     libvlc_event_detach(p_em, libvlc_MediaPlayerPlaying,          HandleMediaInstanceStateChanged, self);
 901     libvlc_event_detach(p_em, libvlc_MediaPlayerPaused,           HandleMediaInstanceStateChanged, self);
 902     libvlc_event_detach(p_em, libvlc_MediaPlayerEncounteredError, HandleMediaInstanceStateChanged, self);
 903     libvlc_event_detach(p_em, libvlc_MediaPlayerEndReached,       HandleMediaInstanceStateChanged, self);
 904     libvlc_event_detach(p_em, libvlc_MediaPlayerPositionChanged,  HandleMediaPositionChanged,      self);
 905     libvlc_event_detach(p_em, libvlc_MediaPlayerTimeChanged,      HandleMediaTimeChanged,          self);
 906     libvlc_event_detach(p_em, libvlc_MediaPlayerMediaChanged,     HandleMediaPlayerMediaChanged,   self);
 907 }
 908
 909 - (void)mediaPlayerTimeChanged:(NSNumber *)newTime
 910 {
 911     [self willChangeValueForKey:@"time"];
 912     [self willChangeValueForKey:@"remainingTime"];
 913     [cachedTime release];
 914     cachedTime = [[VLCTime timeWithNumber:newTime] retain];
 915     [cachedRemainingTime release];
 916     double currentTime = [[cachedTime numberValue] doubleValue];
 917     double remaining = currentTime / position * (1 - position);
 918     cachedRemainingTime = [[VLCTime timeWithNumber:[NSNumber numberWithDouble:-remaining]] retain];
 919     [self didChangeValueForKey:@"remainingTime"];
 920     [self didChangeValueForKey:@"time"];
 921 }
 922
 923 - (void)delaySleep
 924 {
 925     UpdateSystemActivity(UsrActivity);
 926 }
 927
 928 - (void)mediaPlayerPositionChanged:(NSNumber *)newPosition
 929 {
 930     // This seems to be the most relevant place to delay sleeping and screen saver.
 931     [self delaySleep];
 932
 933     [self willChangeValueForKey:@"position"];
 934     position = [newPosition floatValue];
 935     [self didChangeValueForKey:@"position"];
 936 }
 937
 938 - (void)mediaPlayerStateChanged:(NSNumber *)newState
 939 {
 940     [self willChangeValueForKey:@"state"];
 941     cachedState = [newState intValue];
 942     [self didChangeValueForKey:@"state"];
 943 }
 944
 945 - (void)mediaPlayerMediaChanged:(VLCMedia *)newMedia
 946 {
 947     [self willChangeValueForKey:@"media"];
 948     if (media != newMedia)
 949     {
 950         [media release];
 951         media = [newMedia retain];
 952     }
 953     [self didChangeValueForKey:@"media"];
 954 }
 955
 956 @end