git.sesse.net Git - vlc/blob - src/control/media_player.c

   1 /*****************************************************************************
   2  * media_player.c: Libvlc API Media Instance management functions
   3  *****************************************************************************
   4  * Copyright (C) 2005 the VideoLAN team
   5  * $Id$
   6  *
   7  * Authors: Clément Stenac <zorglub@videolan.org>
   8  *
   9  * This program is free software; you can redistribute it and/or modify
  10  * it under the terms of the GNU General Public License as published by
  11  * the Free Software Foundation; either version 2 of the License, or
  12  * (at your option) any later version.
  13  *
  14  * This program is distributed in the hope that it will be useful,
  15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17  * GNU General Public License for more details.
  18  *
  19  * You should have received a copy of the GNU General Public License
  20  * along with this program; if not, write to the Free Software
  21  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
  22  *****************************************************************************/
  23
  24 #include "libvlc_internal.h"
  25
  26 #include <vlc/libvlc.h>
  27 #include <vlc_demux.h>
  28 #include <vlc_input.h>
  29 #include <vlc_vout.h>
  30 #include "libvlc.h"
  31
  32 static int
  33 input_seekable_changed( vlc_object_t * p_this, char const * psz_cmd,
  34                         vlc_value_t oldval, vlc_value_t newval,
  35                         void * p_userdata );
  36 static int
  37 input_pausable_changed( vlc_object_t * p_this, char const * psz_cmd,
  38                         vlc_value_t oldval, vlc_value_t newval,
  39                         void * p_userdata );
  40 static int
  41 input_event_changed( vlc_object_t * p_this, char const * psz_cmd,
  42                      vlc_value_t oldval, vlc_value_t newval,
  43                      void * p_userdata );
  44
  45 static int SnapshotTakenCallback( vlc_object_t *p_this, char const *psz_cmd,
  46                        vlc_value_t oldval, vlc_value_t newval, void *p_data );
  47
  48 static const libvlc_state_t vlc_to_libvlc_state_array[] =
  49 {
  50     [INIT_S]        = libvlc_NothingSpecial,
  51     [OPENING_S]     = libvlc_Opening,
  52     [PLAYING_S]     = libvlc_Playing,
  53     [PAUSE_S]       = libvlc_Paused,
  54     [END_S]         = libvlc_Ended,
  55     [ERROR_S]       = libvlc_Error,
  56 };
  57
  58 static inline libvlc_state_t vlc_to_libvlc_state( int vlc_state )
  59 {
  60     if( vlc_state < 0 || vlc_state > 6 )
  61         return libvlc_Ended;
  62
  63     return vlc_to_libvlc_state_array[vlc_state];
  64 }
  65
  66 /*
  67  * Release the associated input thread
  68  *
  69  * Object lock is NOT held.
  70  */
  71 static void release_input_thread( libvlc_media_player_t *p_mi )
  72 {
  73     input_thread_t * p_input_thread;
  74
  75     if( !p_mi || !p_mi->p_input_thread )
  76         return;
  77
  78     p_input_thread = p_mi->p_input_thread;
  79
  80     /* No one is tracking this input_thread appart us. Destroy it */
  81     if( p_mi->b_own_its_input_thread )
  82     {
  83         var_DelCallback( p_input_thread, "can-seek", input_seekable_changed, p_mi );
  84         var_DelCallback( p_input_thread, "can-pause", input_pausable_changed, p_mi );
  85         var_DelCallback( p_input_thread, "intf-event", input_event_changed, p_mi );
  86
  87         /* We owned this one */
  88         input_StopThread( p_input_thread );
  89         vlc_thread_join( p_input_thread );
  90
  91         var_Destroy( p_input_thread, "drawable" );
  92     }
  93
  94     vlc_object_release( p_input_thread );
  95
  96     p_mi->p_input_thread = NULL;
  97 }
  98
  99 /*
 100  * Retrieve the input thread. Be sure to release the object
 101  * once you are done with it. (libvlc Internal)
 102  *
 103  * Object lock is held.
 104  */
 105 input_thread_t *libvlc_get_input_thread( libvlc_media_player_t *p_mi,
 106                                          libvlc_exception_t *p_e )
 107 {
 108     input_thread_t *p_input_thread;
 109
 110     if( !p_mi ) RAISENULL( "Media Instance is NULL" );
 111
 112     vlc_mutex_lock( &p_mi->object_lock );
 113
 114     if( !p_mi->p_input_thread )
 115     {
 116         vlc_mutex_unlock( &p_mi->object_lock );
 117         RAISENULL( "Input is NULL" );
 118     }
 119
 120     p_input_thread = p_mi->p_input_thread;
 121     vlc_object_hold( p_input_thread );
 122
 123     vlc_mutex_unlock( &p_mi->object_lock );
 124
 125     return p_input_thread;
 126 }
 127
 128 static int
 129 input_seekable_changed( vlc_object_t * p_this, char const * psz_cmd,
 130                         vlc_value_t oldval, vlc_value_t newval,
 131                         void * p_userdata )
 132 {
 133     VLC_UNUSED(oldval);
 134     VLC_UNUSED(p_this);
 135     VLC_UNUSED(psz_cmd);
 136     libvlc_media_player_t * p_mi = p_userdata;
 137     libvlc_event_t event;
 138
 139     libvlc_media_set_state( p_mi->p_md, libvlc_NothingSpecial, NULL);
 140     event.type = libvlc_MediaPlayerSeekableChanged;
 141     event.u.media_player_seekable_changed.new_seekable = newval.b_bool;
 142
 143     libvlc_event_send( p_mi->p_event_manager, &event );
 144     return VLC_SUCCESS;
 145 }
 146
 147 static int
 148 input_pausable_changed( vlc_object_t * p_this, char const * psz_cmd,
 149                         vlc_value_t oldval, vlc_value_t newval,
 150                         void * p_userdata )
 151 {
 152     VLC_UNUSED(oldval);
 153     VLC_UNUSED(p_this);
 154     VLC_UNUSED(psz_cmd);
 155     libvlc_media_player_t * p_mi = p_userdata;
 156     libvlc_event_t event;
 157
 158     libvlc_media_set_state( p_mi->p_md, libvlc_NothingSpecial, NULL);
 159     event.type = libvlc_MediaPlayerPausableChanged;
 160     event.u.media_player_pausable_changed.new_pausable = newval.b_bool;
 161
 162     libvlc_event_send( p_mi->p_event_manager, &event );
 163     return VLC_SUCCESS;
 164 }
 165
 166 static int
 167 input_event_changed( vlc_object_t * p_this, char const * psz_cmd,
 168                      vlc_value_t oldval, vlc_value_t newval,
 169                      void * p_userdata )
 170 {
 171     VLC_UNUSED(oldval);
 172     input_thread_t * p_input = (input_thread_t *)p_this;
 173     libvlc_media_player_t * p_mi = p_userdata;
 174     libvlc_event_t event;
 175
 176     assert( !strcmp( psz_cmd, "intf-event" ) );
 177
 178     if( newval.i_int == INPUT_EVENT_STATE )
 179     {
 180         libvlc_state_t libvlc_state;
 181
 182         switch ( var_GetInteger( p_input, "state" ) )
 183         {
 184             case INIT_S:
 185                 libvlc_state = libvlc_NothingSpecial;
 186                 event.type = libvlc_MediaPlayerNothingSpecial;
 187                 break;
 188             case OPENING_S:
 189                 libvlc_state = libvlc_Opening;
 190                 event.type = libvlc_MediaPlayerOpening;
 191                 break;
 192             case PLAYING_S:
 193                 libvlc_state = libvlc_Playing;
 194                 event.type = libvlc_MediaPlayerPlaying;
 195                 break;
 196             case PAUSE_S:
 197                 libvlc_state = libvlc_Paused;
 198                 event.type = libvlc_MediaPlayerPaused;
 199                 break;
 200             case END_S:
 201                 libvlc_state = libvlc_Ended;
 202                 event.type = libvlc_MediaPlayerEndReached;
 203                 break;
 204             case ERROR_S:
 205                 libvlc_state = libvlc_Error;
 206                 event.type = libvlc_MediaPlayerEncounteredError;
 207                 break;
 208
 209             default:
 210                 return VLC_SUCCESS;
 211         }
 212
 213         libvlc_media_set_state( p_mi->p_md, libvlc_state, NULL);
 214         libvlc_event_send( p_mi->p_event_manager, &event );
 215     }
 216     else if( newval.i_int == INPUT_EVENT_TIMES )
 217     {
 218         if( var_GetInteger( p_input, "state" ) != PLAYING_S )
 219             return VLC_SUCCESS; /* Don't send the position while stopped */
 220
 221         /* */
 222         event.type = libvlc_MediaPlayerPositionChanged;
 223         event.u.media_player_position_changed.new_position = var_GetFloat( p_input, "position" );;
 224         libvlc_event_send( p_mi->p_event_manager, &event );
 225
 226         /* */
 227         event.type = libvlc_MediaPlayerTimeChanged;
 228         event.u.media_player_time_changed.new_time = var_GetTime( p_input, "time" );
 229         libvlc_event_send( p_mi->p_event_manager, &event );
 230     }
 231
 232     return VLC_SUCCESS;
 233
 234 }
 235
 236
 237 /**************************************************************************
 238  * Create a Media Instance object
 239  **************************************************************************/
 240 libvlc_media_player_t *
 241 libvlc_media_player_new( libvlc_instance_t * p_libvlc_instance,
 242                            libvlc_exception_t * p_e )
 243 {
 244     libvlc_media_player_t * p_mi;
 245
 246     if( !p_libvlc_instance )
 247     {
 248         libvlc_exception_raise( p_e, "invalid libvlc instance" );
 249         return NULL;
 250     }
 251
 252     p_mi = malloc( sizeof(libvlc_media_player_t) );
 253     if( !p_mi )
 254     {
 255         libvlc_exception_raise( p_e, "Not enough memory" );
 256         return NULL;
 257     }
 258     p_mi->p_md = NULL;
 259     p_mi->drawable = 0;
 260     p_mi->p_libvlc_instance = p_libvlc_instance;
 261     p_mi->p_input_thread = NULL;
 262     /* refcount strategy:
 263      * - All items created by _new start with a refcount set to 1
 264      * - Accessor _release decrease the refcount by 1, if after that
 265      *   operation the refcount is 0, the object is destroyed.
 266      * - Accessor _retain increase the refcount by 1 (XXX: to implement) */
 267     p_mi->i_refcount = 1;
 268     p_mi->b_own_its_input_thread = true;
 269     /* object_lock strategy:
 270      * - No lock held in constructor
 271      * - Lock when accessing all variable this lock is held
 272      * - Lock when attempting to destroy the object the lock is also held */
 273     vlc_mutex_init( &p_mi->object_lock );
 274     p_mi->p_event_manager = libvlc_event_manager_new( p_mi,
 275             p_libvlc_instance, p_e );
 276     if( libvlc_exception_raised( p_e ) )
 277     {
 278         free( p_mi );
 279         return NULL;
 280     }
 281
 282     libvlc_event_manager_register_event_type( p_mi->p_event_manager,
 283             libvlc_MediaPlayerNothingSpecial, p_e );
 284     libvlc_event_manager_register_event_type( p_mi->p_event_manager,
 285             libvlc_MediaPlayerOpening, p_e );
 286     libvlc_event_manager_register_event_type( p_mi->p_event_manager,
 287             libvlc_MediaPlayerBuffering, p_e );
 288     libvlc_event_manager_register_event_type( p_mi->p_event_manager,
 289             libvlc_MediaPlayerPlaying, p_e );
 290     libvlc_event_manager_register_event_type( p_mi->p_event_manager,
 291             libvlc_MediaPlayerPaused, p_e );
 292     libvlc_event_manager_register_event_type( p_mi->p_event_manager,
 293             libvlc_MediaPlayerStopped, p_e );
 294     libvlc_event_manager_register_event_type( p_mi->p_event_manager,
 295             libvlc_MediaPlayerForward, p_e );
 296     libvlc_event_manager_register_event_type( p_mi->p_event_manager,
 297             libvlc_MediaPlayerBackward, p_e );
 298     libvlc_event_manager_register_event_type( p_mi->p_event_manager,
 299             libvlc_MediaPlayerEndReached, p_e );
 300     libvlc_event_manager_register_event_type( p_mi->p_event_manager,
 301             libvlc_MediaPlayerEncounteredError, p_e );
 302
 303     libvlc_event_manager_register_event_type( p_mi->p_event_manager,
 304             libvlc_MediaPlayerPositionChanged, p_e );
 305     libvlc_event_manager_register_event_type( p_mi->p_event_manager,
 306             libvlc_MediaPlayerTimeChanged, p_e );
 307      libvlc_event_manager_register_event_type( p_mi->p_event_manager,
 308             libvlc_MediaPlayerTitleChanged, p_e );
 309     libvlc_event_manager_register_event_type( p_mi->p_event_manager,
 310             libvlc_MediaPlayerSeekableChanged, p_e );
 311     libvlc_event_manager_register_event_type( p_mi->p_event_manager,
 312             libvlc_MediaPlayerPausableChanged, p_e );
 313
 314     /* Snapshot initialization */
 315     libvlc_event_manager_register_event_type( p_mi->p_event_manager,
 316            libvlc_MediaPlayerSnapshotTaken, p_e );
 317     /* Attach a var callback to the global object to provide the glue between
 318         vout_thread that generates the event and media_player that re-emits it
 319         with its own event manager
 320     */
 321     var_Create( p_libvlc_instance->p_libvlc_int, "vout-snapshottaken", VLC_VAR_STRING | VLC_VAR_ISCOMMAND );
 322     var_AddCallback( p_libvlc_instance->p_libvlc_int, "vout-snapshottaken", SnapshotTakenCallback, p_mi );
 323
 324     return p_mi;
 325 }
 326
 327 /**************************************************************************
 328  * Create a Media Instance object with a media descriptor
 329  **************************************************************************/
 330 libvlc_media_player_t *
 331 libvlc_media_player_new_from_media(
 332                                     libvlc_media_t * p_md,
 333                                     libvlc_exception_t *p_e )
 334 {
 335     libvlc_media_player_t * p_mi;
 336     p_mi = libvlc_media_player_new( p_md->p_libvlc_instance, p_e );
 337
 338     if( !p_mi )
 339         return NULL;
 340
 341     libvlc_media_retain( p_md );
 342     p_mi->p_md = p_md;
 343
 344     return p_mi;
 345 }
 346
 347 /**************************************************************************
 348  * Create a new media instance object from an input_thread (Libvlc Internal)
 349  **************************************************************************/
 350 libvlc_media_player_t * libvlc_media_player_new_from_input_thread(
 351                                    struct libvlc_instance_t *p_libvlc_instance,
 352                                    input_thread_t *p_input,
 353                                    libvlc_exception_t *p_e )
 354 {
 355     libvlc_media_player_t * p_mi;
 356
 357     if( !p_input )
 358     {
 359         libvlc_exception_raise( p_e, "invalid input thread" );
 360         return NULL;
 361     }
 362
 363     p_mi = libvlc_media_player_new( p_libvlc_instance, p_e );
 364
 365     if( !p_mi )
 366         return NULL;
 367
 368     p_mi->p_md = libvlc_media_new_from_input_item(
 369                     p_libvlc_instance,
 370                     input_GetItem( p_input ), p_e );
 371
 372     if( !p_mi->p_md )
 373     {
 374         libvlc_media_player_destroy( p_mi );
 375         return NULL;
 376     }
 377
 378     /* will be released in media_player_release() */
 379     vlc_object_hold( p_input );
 380
 381     p_mi->p_input_thread = p_input;
 382     p_mi->b_own_its_input_thread = false;
 383
 384     return p_mi;
 385 }
 386
 387 /**************************************************************************
 388  * Destroy a Media Instance object (libvlc internal)
 389  *
 390  * Warning: No lock held here, but hey, this is internal.
 391  **************************************************************************/
 392 void libvlc_media_player_destroy( libvlc_media_player_t *p_mi )
 393 {
 394     input_thread_t *p_input_thread;
 395     libvlc_exception_t p_e;
 396
 397     libvlc_exception_init( &p_e );
 398
 399     if( !p_mi )
 400         return;
 401
 402         /* Detach Callback from the main libvlc object */
 403     var_DelCallback( p_mi->p_libvlc_instance->p_libvlc_int, "vout-snapshottaken", SnapshotTakenCallback, p_mi );
 404
 405     p_input_thread = libvlc_get_input_thread( p_mi, &p_e );
 406
 407     if( libvlc_exception_raised( &p_e ) )
 408     {
 409         libvlc_event_manager_release( p_mi->p_event_manager );
 410         libvlc_exception_clear( &p_e );
 411         free( p_mi );
 412         return; /* no need to worry about no input thread */
 413     }
 414     vlc_mutex_destroy( &p_mi->object_lock );
 415
 416     vlc_object_release( p_input_thread );
 417
 418     libvlc_media_release( p_mi->p_md );
 419
 420     free( p_mi );
 421 }
 422
 423 /**************************************************************************
 424  * Release a Media Instance object
 425  **************************************************************************/
 426 void libvlc_media_player_release( libvlc_media_player_t *p_mi )
 427 {
 428     if( !p_mi )
 429         return;
 430
 431     vlc_mutex_lock( &p_mi->object_lock );
 432
 433     p_mi->i_refcount--;
 434
 435     if( p_mi->i_refcount > 0 )
 436     {
 437         vlc_mutex_unlock( &p_mi->object_lock );
 438         return;
 439     }
 440     vlc_mutex_unlock( &p_mi->object_lock );
 441     vlc_mutex_destroy( &p_mi->object_lock );
 442
 443     release_input_thread( p_mi );
 444
 445     libvlc_event_manager_release( p_mi->p_event_manager );
 446
 447     libvlc_media_release( p_mi->p_md );
 448
 449     free( p_mi );
 450 }
 451
 452 /**************************************************************************
 453  * Retain a Media Instance object
 454  **************************************************************************/
 455 void libvlc_media_player_retain( libvlc_media_player_t *p_mi )
 456 {
 457     if( !p_mi )
 458         return;
 459
 460     p_mi->i_refcount++;
 461 }
 462
 463 /**************************************************************************
 464  * Set the Media descriptor associated with the instance
 465  **************************************************************************/
 466 void libvlc_media_player_set_media(
 467                             libvlc_media_player_t *p_mi,
 468                             libvlc_media_t *p_md,
 469                             libvlc_exception_t *p_e )
 470 {
 471     VLC_UNUSED(p_e);
 472
 473     if( !p_mi )
 474         return;
 475
 476     vlc_mutex_lock( &p_mi->object_lock );
 477
 478     release_input_thread( p_mi );
 479
 480     if( p_mi->p_md )
 481         libvlc_media_set_state( p_mi->p_md, libvlc_NothingSpecial, p_e );
 482
 483     libvlc_media_release( p_mi->p_md );
 484
 485     if( !p_md )
 486     {
 487         p_mi->p_md = NULL;
 488         vlc_mutex_unlock( &p_mi->object_lock );
 489         return; /* It is ok to pass a NULL md */
 490     }
 491
 492     libvlc_media_retain( p_md );
 493     p_mi->p_md = p_md;
 494
 495     /* The policy here is to ignore that we were created using a different
 496      * libvlc_instance, because we don't really care */
 497     p_mi->p_libvlc_instance = p_md->p_libvlc_instance;
 498
 499     vlc_mutex_unlock( &p_mi->object_lock );
 500 }
 501
 502 /**************************************************************************
 503  * Get the Media descriptor associated with the instance
 504  **************************************************************************/
 505 libvlc_media_t *
 506 libvlc_media_player_get_media(
 507                             libvlc_media_player_t *p_mi,
 508                             libvlc_exception_t *p_e )
 509 {
 510     VLC_UNUSED(p_e);
 511
 512     if( !p_mi->p_md )
 513         return NULL;
 514
 515     libvlc_media_retain( p_mi->p_md );
 516     return p_mi->p_md;
 517 }
 518
 519 /**************************************************************************
 520  * Get the event Manager
 521  **************************************************************************/
 522 libvlc_event_manager_t *
 523 libvlc_media_player_event_manager(
 524                             libvlc_media_player_t *p_mi,
 525                             libvlc_exception_t *p_e )
 526 {
 527     VLC_UNUSED(p_e);
 528
 529     return p_mi->p_event_manager;
 530 }
 531
 532 /**************************************************************************
 533  * Trigger a snapshot Taken Event
 534  *************************************************************************/
 535 static int SnapshotTakenCallback( vlc_object_t *p_this, char const *psz_cmd,
 536                        vlc_value_t oldval, vlc_value_t newval, void *p_data )
 537 {
 538     VLC_UNUSED(psz_cmd); VLC_UNUSED(oldval);
 539     VLC_UNUSED(p_this) ;
 540
 541     libvlc_media_player_t* p_mi = (libvlc_media_player_t*) p_data ;
 542     libvlc_event_t event ;
 543     event.type = libvlc_MediaPlayerSnapshotTaken ;
 544     event.u.media_player_snapshot_taken.psz_filename = newval.psz_string ;
 545     /* Snapshot psz data is a vlc_variable owned by libvlc object .
 546          Its memmory management is taken care by the obj*/
 547     msg_Dbg( p_this, "about to emit libvlc_snapshot_taken.make psz_str=0x%x (%s)",
 548           event.u.media_player_snapshot_taken.psz_filename ,event.u.media_player_snapshot_taken.psz_filename );
 549     libvlc_event_send( p_mi->p_event_manager, &event );
 550
 551     return VLC_SUCCESS;
 552 }
 553
 554 /**************************************************************************
 555  * Play
 556  **************************************************************************/
 557 void libvlc_media_player_play( libvlc_media_player_t *p_mi,
 558                                  libvlc_exception_t *p_e )
 559 {
 560     input_thread_t * p_input_thread;
 561
 562     if( (p_input_thread = libvlc_get_input_thread( p_mi, p_e )) )
 563     {
 564         /* A thread already exists, send it a play message */
 565         input_Control( p_input_thread, INPUT_SET_STATE, PLAYING_S );
 566         vlc_object_release( p_input_thread );
 567         return;
 568     }
 569
 570     /* Ignore previous exception */
 571     libvlc_exception_clear( p_e );
 572
 573     vlc_mutex_lock( &p_mi->object_lock );
 574
 575     if( !p_mi->p_md )
 576     {
 577         libvlc_exception_raise( p_e, "no associated media descriptor" );
 578         vlc_mutex_unlock( &p_mi->object_lock );
 579         return;
 580     }
 581
 582     p_mi->p_input_thread = input_CreateThread( p_mi->p_libvlc_instance->p_libvlc_int,
 583                       p_mi->p_md->p_input_item );
 584
 585
 586     if( !p_mi->p_input_thread )
 587     {
 588         vlc_mutex_unlock( &p_mi->object_lock );
 589         return;
 590     }
 591
 592     p_input_thread = p_mi->p_input_thread;
 593
 594     if( p_mi->drawable )
 595     {
 596         vlc_value_t val;
 597         val.i_int = p_mi->drawable;
 598         var_Create( p_input_thread, "drawable", VLC_VAR_DOINHERIT );
 599         var_Set( p_input_thread, "drawable", val );
 600     }
 601
 602     var_AddCallback( p_input_thread, "can-seek", input_seekable_changed, p_mi );
 603     var_AddCallback( p_input_thread, "can-pause", input_pausable_changed, p_mi );
 604     var_AddCallback( p_input_thread, "intf-event", input_event_changed, p_mi );
 605
 606     vlc_mutex_unlock( &p_mi->object_lock );
 607 }
 608
 609 /**************************************************************************
 610  * Pause
 611  **************************************************************************/
 612 void libvlc_media_player_pause( libvlc_media_player_t *p_mi,
 613                                   libvlc_exception_t *p_e )
 614 {
 615     input_thread_t * p_input_thread = libvlc_get_input_thread( p_mi, p_e );
 616
 617     if( !p_input_thread )
 618         return;
 619
 620     libvlc_state_t state = libvlc_media_player_get_state( p_mi, p_e );
 621
 622     if( state == libvlc_Playing )
 623     {
 624         if( libvlc_media_player_can_pause( p_mi, p_e ) )
 625             input_Control( p_input_thread, INPUT_SET_STATE, PAUSE_S );
 626         else
 627             libvlc_media_player_stop( p_mi, p_e );
 628     }
 629     else
 630         input_Control( p_input_thread, INPUT_SET_STATE, PLAYING_S );
 631
 632     vlc_object_release( p_input_thread );
 633 }
 634
 635 /**************************************************************************
 636  * Stop
 637  **************************************************************************/
 638 void libvlc_media_player_stop( libvlc_media_player_t *p_mi,
 639                                  libvlc_exception_t *p_e )
 640 {
 641     libvlc_state_t state = libvlc_media_player_get_state( p_mi, p_e );
 642
 643     if( state == libvlc_Playing || state == libvlc_Paused )
 644     {
 645         /* Send a stop notification event only of we are in playing or paused states */
 646         libvlc_media_set_state( p_mi->p_md, libvlc_Ended, p_e );
 647
 648         /* Construct and send the event */
 649         libvlc_event_t event;
 650         event.type = libvlc_MediaPlayerEndReached;
 651         libvlc_event_send( p_mi->p_event_manager, &event );
 652     }
 653
 654     if( p_mi->b_own_its_input_thread )
 655     {
 656         vlc_mutex_lock( &p_mi->object_lock );
 657         release_input_thread( p_mi ); /* This will stop the input thread */
 658         vlc_mutex_unlock( &p_mi->object_lock );
 659     }
 660     else
 661     {
 662         input_thread_t * p_input_thread = libvlc_get_input_thread( p_mi, p_e );
 663
 664         if( !p_input_thread )
 665             return;
 666
 667         input_StopThread( p_input_thread );
 668         vlc_object_release( p_input_thread );
 669     }
 670 }
 671
 672 /**************************************************************************
 673  * Set Drawable
 674  **************************************************************************/
 675 void libvlc_media_player_set_drawable( libvlc_media_player_t *p_mi,
 676                                        libvlc_drawable_t drawable,
 677                                        libvlc_exception_t *p_e )
 678 {
 679     input_thread_t *p_input_thread;
 680     vout_thread_t *p_vout = NULL;
 681
 682     p_mi->drawable = drawable;
 683
 684     /* Allow on the fly drawable changing. This is tricky has this may
 685      * not be supported by every vout. We though can't disable it
 686      * because of some creepy drawable type that are not flexible enough
 687      * (Win32 HWND for instance) */
 688     p_input_thread = libvlc_get_input_thread( p_mi, p_e );
 689     if( !p_input_thread ) {
 690         /* No input, nothing more to do, we are fine */
 691         libvlc_exception_clear( p_e );
 692         return;
 693     }
 694
 695     p_vout = vlc_object_find( p_input_thread, VLC_OBJECT_VOUT, FIND_CHILD );
 696     if( p_vout )
 697     {
 698         vout_Control( p_vout , VOUT_REPARENT, drawable);
 699         vlc_object_release( p_vout );
 700     }
 701     vlc_object_release( p_input_thread );
 702 }
 703
 704 /**************************************************************************
 705  * Get Drawable
 706  **************************************************************************/
 707 libvlc_drawable_t
 708 libvlc_media_player_get_drawable ( libvlc_media_player_t *p_mi, libvlc_exception_t *p_e )
 709 {
 710     VLC_UNUSED(p_e);
 711     return p_mi->drawable;
 712 }
 713
 714 /**************************************************************************
 715  * Getters for stream information
 716  **************************************************************************/
 717 libvlc_time_t libvlc_media_player_get_length(
 718                              libvlc_media_player_t *p_mi,
 719                              libvlc_exception_t *p_e )
 720 {
 721     input_thread_t *p_input_thread;
 722     vlc_value_t val;
 723
 724     p_input_thread = libvlc_get_input_thread ( p_mi, p_e);
 725     if( !p_input_thread )
 726         return -1;
 727
 728     var_Get( p_input_thread, "length", &val );
 729     vlc_object_release( p_input_thread );
 730
 731     return (val.i_time+500LL)/1000LL;
 732 }
 733
 734 libvlc_time_t libvlc_media_player_get_time(
 735                                    libvlc_media_player_t *p_mi,
 736                                    libvlc_exception_t *p_e )
 737 {
 738     input_thread_t *p_input_thread;
 739     vlc_value_t val;
 740
 741     p_input_thread = libvlc_get_input_thread ( p_mi, p_e );
 742     if( !p_input_thread )
 743         return -1;
 744
 745     var_Get( p_input_thread , "time", &val );
 746     vlc_object_release( p_input_thread );
 747     return (val.i_time+500LL)/1000LL;
 748 }
 749
 750 void libvlc_media_player_set_time(
 751                                  libvlc_media_player_t *p_mi,
 752                                  libvlc_time_t time,
 753                                  libvlc_exception_t *p_e )
 754 {
 755     input_thread_t *p_input_thread;
 756     vlc_value_t value;
 757
 758     p_input_thread = libvlc_get_input_thread ( p_mi, p_e );
 759     if( !p_input_thread )
 760         return;
 761
 762     value.i_time = time*1000LL;
 763     var_Set( p_input_thread, "time", value );
 764     vlc_object_release( p_input_thread );
 765 }
 766
 767 void libvlc_media_player_set_position(
 768                                 libvlc_media_player_t *p_mi,
 769                                 float position,
 770                                 libvlc_exception_t *p_e )
 771 {
 772     input_thread_t *p_input_thread;
 773     vlc_value_t val;
 774     val.f_float = position;
 775
 776     p_input_thread = libvlc_get_input_thread ( p_mi, p_e);
 777     if( !p_input_thread )
 778         return;
 779
 780     var_Set( p_input_thread, "position", val );
 781     vlc_object_release( p_input_thread );
 782 }
 783
 784 float libvlc_media_player_get_position(
 785                                  libvlc_media_player_t *p_mi,
 786                                  libvlc_exception_t *p_e )
 787 {
 788     input_thread_t *p_input_thread;
 789     vlc_value_t val;
 790
 791     p_input_thread = libvlc_get_input_thread ( p_mi, p_e );
 792     if( !p_input_thread )
 793         return -1.0;
 794
 795     var_Get( p_input_thread, "position", &val );
 796     vlc_object_release( p_input_thread );
 797
 798     return val.f_float;
 799 }
 800
 801 void libvlc_media_player_set_chapter(
 802                                  libvlc_media_player_t *p_mi,
 803                                  int chapter,
 804                                  libvlc_exception_t *p_e )
 805 {
 806     input_thread_t *p_input_thread;
 807     vlc_value_t val;
 808     val.i_int = chapter;
 809
 810     p_input_thread = libvlc_get_input_thread ( p_mi, p_e);
 811     if( !p_input_thread )
 812         return;
 813
 814     var_Set( p_input_thread, "chapter", val );
 815     vlc_object_release( p_input_thread );
 816 }
 817
 818 int libvlc_media_player_get_chapter(
 819                                  libvlc_media_player_t *p_mi,
 820                                  libvlc_exception_t *p_e )
 821 {
 822     input_thread_t *p_input_thread;
 823     vlc_value_t val;
 824
 825     p_input_thread = libvlc_get_input_thread ( p_mi, p_e );
 826     if( !p_input_thread )
 827         return -1;
 828
 829     var_Get( p_input_thread, "chapter", &val );
 830     vlc_object_release( p_input_thread );
 831
 832     return val.i_int;
 833 }
 834
 835 int libvlc_media_player_get_chapter_count(
 836                                  libvlc_media_player_t *p_mi,
 837                                  libvlc_exception_t *p_e )
 838 {
 839     input_thread_t *p_input_thread;
 840     vlc_value_t val;
 841
 842     p_input_thread = libvlc_get_input_thread ( p_mi, p_e );
 843     if( !p_input_thread )
 844         return -1;
 845
 846     var_Change( p_input_thread, "chapter", VLC_VAR_CHOICESCOUNT, &val, NULL );
 847     vlc_object_release( p_input_thread );
 848
 849     return val.i_int;
 850 }
 851
 852 int libvlc_media_player_get_chapter_count_for_title(
 853                                  libvlc_media_player_t *p_mi,
 854                                  int i_title,
 855                                  libvlc_exception_t *p_e )
 856 {
 857     input_thread_t *p_input_thread;
 858     vlc_value_t val;
 859
 860     p_input_thread = libvlc_get_input_thread ( p_mi, p_e );
 861     if( !p_input_thread )
 862         return -1;
 863
 864     char *psz_name;
 865     if( asprintf( &psz_name,  "title %2i", i_title ) == -1 )
 866     {
 867         vlc_object_release( p_input_thread );
 868         return -1;
 869     }
 870     var_Change( p_input_thread, psz_name, VLC_VAR_CHOICESCOUNT, &val, NULL );
 871     vlc_object_release( p_input_thread );
 872     free( psz_name );
 873
 874     return val.i_int;
 875 }
 876
 877 void libvlc_media_player_set_title(
 878                                  libvlc_media_player_t *p_mi,
 879                                  int i_title,
 880                                  libvlc_exception_t *p_e )
 881 {
 882     input_thread_t *p_input_thread;
 883     vlc_value_t val;
 884     val.i_int = i_title;
 885
 886     p_input_thread = libvlc_get_input_thread ( p_mi, p_e);
 887     if( !p_input_thread )
 888         return;
 889
 890     var_Set( p_input_thread, "title", val );
 891     vlc_object_release( p_input_thread );
 892
 893     //send event
 894     libvlc_event_t event;
 895     event.type = libvlc_MediaPlayerTitleChanged;
 896     event.u.media_player_title_changed.new_title = i_title;
 897     libvlc_event_send( p_mi->p_event_manager, &event );
 898 }
 899
 900 int libvlc_media_player_get_title(
 901                                  libvlc_media_player_t *p_mi,
 902                                  libvlc_exception_t *p_e )
 903 {
 904     input_thread_t *p_input_thread;
 905     vlc_value_t val;
 906
 907     p_input_thread = libvlc_get_input_thread ( p_mi, p_e );
 908     if( !p_input_thread )
 909         return -1;
 910
 911     var_Get( p_input_thread, "title", &val );
 912     vlc_object_release( p_input_thread );
 913
 914     return val.i_int;
 915 }
 916
 917 int libvlc_media_player_get_title_count(
 918                                  libvlc_media_player_t *p_mi,
 919                                  libvlc_exception_t *p_e )
 920 {
 921     input_thread_t *p_input_thread;
 922     vlc_value_t val;
 923
 924     p_input_thread = libvlc_get_input_thread ( p_mi, p_e );
 925     if( !p_input_thread )
 926         return -1;
 927
 928     var_Change( p_input_thread, "title", VLC_VAR_CHOICESCOUNT, &val, NULL );
 929     vlc_object_release( p_input_thread );
 930
 931     return val.i_int;
 932 }
 933
 934 void libvlc_media_player_next_chapter(
 935                                  libvlc_media_player_t *p_mi,
 936                                  libvlc_exception_t *p_e )
 937 {
 938     input_thread_t *p_input_thread;
 939
 940     p_input_thread = libvlc_get_input_thread ( p_mi, p_e);
 941     if( !p_input_thread )
 942         return;
 943
 944     int i_type = var_Type( p_input_thread, "next-chapter" );
 945     vlc_value_t val;
 946     val.b_bool = true;
 947     var_Set( p_input_thread, (i_type & VLC_VAR_TYPE) != 0 ?
 948                             "next-chapter":"next-title", val );
 949
 950     vlc_object_release( p_input_thread );
 951 }
 952
 953 void libvlc_media_player_previous_chapter(
 954                                  libvlc_media_player_t *p_mi,
 955                                  libvlc_exception_t *p_e )
 956 {
 957     input_thread_t *p_input_thread;
 958
 959     p_input_thread = libvlc_get_input_thread ( p_mi, p_e);
 960     if( !p_input_thread )
 961         return;
 962
 963     int i_type = var_Type( p_input_thread, "next-chapter" );
 964     vlc_value_t val;
 965     val.b_bool = true;
 966     var_Set( p_input_thread, (i_type & VLC_VAR_TYPE) != 0 ?
 967                             "prev-chapter":"prev-title", val );
 968
 969     vlc_object_release( p_input_thread );
 970 }
 971
 972 float libvlc_media_player_get_fps(
 973                                  libvlc_media_player_t *p_mi,
 974                                  libvlc_exception_t *p_e)
 975 {
 976     input_thread_t *p_input_thread = libvlc_get_input_thread ( p_mi, p_e );
 977     double f_fps = 0.0;
 978
 979     if( p_input_thread )
 980     {
 981         if( input_Control( p_input_thread, INPUT_GET_VIDEO_FPS, &f_fps ) )
 982             f_fps = 0.0;
 983         vlc_object_release( p_input_thread );
 984     }
 985     return f_fps;
 986 }
 987
 988 int libvlc_media_player_will_play( libvlc_media_player_t *p_mi,
 989                                      libvlc_exception_t *p_e)
 990 {
 991     input_thread_t *p_input_thread =
 992                             libvlc_get_input_thread ( p_mi, p_e);
 993     if ( !p_input_thread )
 994         return false;
 995
 996     if ( !p_input_thread->b_die && !p_input_thread->b_dead )
 997     {
 998         vlc_object_release( p_input_thread );
 999         return true;
1000     }
1001     vlc_object_release( p_input_thread );
1002     return false;
1003 }
1004
1005 void libvlc_media_player_set_rate(
1006                                  libvlc_media_player_t *p_mi,
1007                                  float rate,
1008                                  libvlc_exception_t *p_e )
1009 {
1010     input_thread_t *p_input_thread;
1011     vlc_value_t val;
1012     bool b_can_rewind;
1013
1014     if( rate != 0 )
1015         RAISEVOID( "Rate value is invalid" );
1016
1017     p_input_thread = libvlc_get_input_thread ( p_mi, p_e);
1018     if( !p_input_thread )
1019         return;
1020
1021     b_can_rewind = var_GetBool( p_input_thread, "can-rewind" );
1022     if( (rate < 0) && !b_can_rewind )
1023     {
1024         vlc_object_release( p_input_thread );
1025         libvlc_exception_raise( p_e, "Rate value is invalid" );
1026         return;
1027     }
1028
1029     val.i_int = 1000.0f/rate;
1030     var_Set( p_input_thread, "rate", val );
1031     vlc_object_release( p_input_thread );
1032 }
1033
1034 float libvlc_media_player_get_rate(
1035                                  libvlc_media_player_t *p_mi,
1036                                  libvlc_exception_t *p_e )
1037 {
1038     input_thread_t *p_input_thread;
1039     vlc_value_t val;
1040     bool b_can_rewind;
1041
1042     p_input_thread = libvlc_get_input_thread ( p_mi, p_e );
1043     if( !p_input_thread )
1044         return 0.0;  /* rate < 0 indicates rewind */
1045
1046     var_Get( p_input_thread, "rate", &val );
1047     b_can_rewind = var_GetBool( p_input_thread, "can-rewind" );
1048     if( (val.i_int < 0) && !b_can_rewind )
1049     {
1050         libvlc_exception_raise( p_e, "invalid rate" );
1051         return 0.0;
1052     }
1053     vlc_object_release( p_input_thread );
1054
1055     return (float)1000.0f/val.i_int;
1056 }
1057
1058 libvlc_state_t libvlc_media_player_get_state(
1059                                  libvlc_media_player_t *p_mi,
1060                                  libvlc_exception_t *p_e )
1061 {
1062     input_thread_t *p_input_thread;
1063     vlc_value_t val;
1064
1065     p_input_thread = libvlc_get_input_thread ( p_mi, p_e );
1066     if ( !p_input_thread )
1067     {
1068         /* We do return the right value, no need to throw an exception */
1069         if( libvlc_exception_raised( p_e ) )
1070             libvlc_exception_clear( p_e );
1071         return libvlc_Ended;
1072     }
1073
1074     var_Get( p_input_thread, "state", &val );
1075     vlc_object_release( p_input_thread );
1076
1077     return vlc_to_libvlc_state(val.i_int);
1078 }
1079
1080 int libvlc_media_player_is_seekable( libvlc_media_player_t *p_mi,
1081                                        libvlc_exception_t *p_e )
1082 {
1083     input_thread_t *p_input_thread;
1084     vlc_value_t val;
1085
1086     p_input_thread = libvlc_get_input_thread ( p_mi, p_e );
1087     if ( !p_input_thread )
1088     {
1089         /* We do return the right value, no need to throw an exception */
1090         if( libvlc_exception_raised( p_e ) )
1091             libvlc_exception_clear( p_e );
1092         return false;
1093     }
1094     var_Get( p_input_thread, "can-seek", &val );
1095     vlc_object_release( p_input_thread );
1096
1097     return val.b_bool;
1098 }
1099
1100 /* internal function, used by audio, video */
1101 libvlc_track_description_t *
1102         libvlc_get_track_description( libvlc_media_player_t *p_mi,
1103                                       const char *psz_variable,
1104                                       libvlc_exception_t *p_e )
1105 {
1106     input_thread_t *p_input = libvlc_get_input_thread( p_mi, p_e );
1107
1108     if( !p_input )
1109         return NULL;
1110
1111     vlc_value_t val_list, text_list;
1112     var_Change( p_input, psz_variable, VLC_VAR_GETLIST, &val_list, &text_list);
1113
1114     if( val_list.p_list->i_count <= 0 ) /* no tracks */
1115         return NULL;
1116
1117     libvlc_track_description_t *p_track_description, *p_actual, *p_previous;
1118     p_track_description = ( libvlc_track_description_t * )
1119         malloc( sizeof( libvlc_track_description_t ) );
1120     if ( !p_track_description )
1121     {
1122         var_Change( p_input, psz_variable, VLC_VAR_FREELIST, &val_list, &text_list);
1123         vlc_object_release( p_input );
1124         libvlc_exception_raise( p_e, "no enough memory" );
1125         return NULL;
1126     }
1127     p_actual = p_track_description;
1128     p_previous = NULL;
1129     for( int i = 0; i < val_list.p_list->i_count; i++ )
1130     {
1131         if( !p_actual )
1132         {
1133             p_actual = ( libvlc_track_description_t * )
1134                 malloc( sizeof( libvlc_track_description_t ) );
1135             if ( !p_actual )
1136             {
1137                 libvlc_track_description_release( p_track_description );
1138                 var_Change( p_input, psz_variable, VLC_VAR_FREELIST, &val_list, &text_list);
1139                 vlc_object_release( p_input );
1140                 libvlc_exception_raise( p_e, "no enough memory" );
1141                 return NULL;
1142             }
1143         }
1144         p_actual->i_id = val_list.p_list->p_values[i].i_int;
1145         p_actual->psz_name = strdup( text_list.p_list->p_values[i].psz_string );
1146         p_actual->p_next = NULL;
1147         if( p_previous )
1148             p_previous->p_next = p_actual;
1149         p_previous = p_actual;
1150         p_actual =  NULL;
1151     }
1152     var_Change( p_input, psz_variable, VLC_VAR_FREELIST, &val_list, &text_list);
1153     vlc_object_release( p_input );
1154
1155     return p_track_description;
1156 }
1157
1158 void libvlc_track_description_release( libvlc_track_description_t *p_track_description )
1159 {
1160     libvlc_track_description_t *p_actual, *p_before;
1161     p_actual = p_track_description;
1162
1163     while ( p_actual )
1164     {
1165         free( p_actual->psz_name );
1166         p_before = p_actual;
1167         p_actual = p_before->p_next;
1168         free( p_before );
1169     }
1170 }
1171
1172 int libvlc_media_player_can_pause( libvlc_media_player_t *p_mi,
1173                                      libvlc_exception_t *p_e )
1174 {
1175     input_thread_t *p_input_thread;
1176     vlc_value_t val;
1177
1178     p_input_thread = libvlc_get_input_thread ( p_mi, p_e );
1179     if ( !p_input_thread )
1180     {
1181         /* We do return the right value, no need to throw an exception */
1182         if( libvlc_exception_raised( p_e ) )
1183             libvlc_exception_clear( p_e );
1184         return false;
1185     }
1186     var_Get( p_input_thread, "can-pause", &val );
1187     vlc_object_release( p_input_thread );
1188
1189     return val.b_bool;
1190 }