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 "libvlc.h"
  30
  31 static int
  32 input_state_changed( vlc_object_t * p_this, char const * psz_cmd,
  33                      vlc_value_t oldval, vlc_value_t newval,
  34                      void * p_userdata );
  35 static int
  36 input_seekable_changed( vlc_object_t * p_this, char const * psz_cmd,
  37                         vlc_value_t oldval, vlc_value_t newval,
  38                         void * p_userdata );
  39 static int
  40 input_pausable_changed( vlc_object_t * p_this, char const * psz_cmd,
  41                         vlc_value_t oldval, vlc_value_t newval,
  42                         void * p_userdata );
  43 static int
  44 input_position_changed( vlc_object_t * p_this, char const * psz_cmd,
  45                      vlc_value_t oldval, vlc_value_t newval,
  46                      void * p_userdata );
  47 static int
  48 input_time_changed( vlc_object_t * p_this, char const * psz_cmd,
  49                      vlc_value_t oldval, vlc_value_t newval,
  50                      void * p_userdata );
  51
  52 static const libvlc_state_t vlc_to_libvlc_state_array[] =
  53 {
  54     [INIT_S]        = libvlc_Opening,
  55     [OPENING_S]     = libvlc_Opening,
  56     [BUFFERING_S]   = libvlc_Buffering,
  57     [PLAYING_S]     = libvlc_Playing,
  58     [PAUSE_S]       = libvlc_Paused,
  59     [END_S]         = libvlc_Ended,
  60     [ERROR_S]       = libvlc_Error,
  61 };
  62 static inline libvlc_state_t vlc_to_libvlc_state( int vlc_state )
  63 {
  64     if( vlc_state < 0 || vlc_state > 6 )
  65         return libvlc_Stopped;
  66
  67     return vlc_to_libvlc_state_array[vlc_state];
  68 }
  69
  70 /*
  71  * Release the associated input thread
  72  *
  73  * Object lock is NOT held.
  74  */
  75 static void release_input_thread( libvlc_media_player_t *p_mi )
  76 {
  77     input_thread_t * p_input_thread;
  78
  79     if( !p_mi || !p_mi->p_input_thread )
  80         return;
  81
  82     p_input_thread = p_mi->p_input_thread;
  83
  84     /* No one is tracking this input_thread appart us. Destroy it */
  85     if( p_mi->b_own_its_input_thread )
  86     {
  87         var_DelCallback( p_input_thread, "state", input_state_changed, p_mi );
  88         var_DelCallback( p_input_thread, "seekable", input_seekable_changed, p_mi );
  89         var_DelCallback( p_input_thread, "pausable", input_pausable_changed, p_mi );
  90         var_DelCallback( p_input_thread, "intf-change", input_position_changed, p_mi );
  91         var_DelCallback( p_input_thread, "intf-change", input_time_changed, p_mi );
  92
  93         /* We owned this one */
  94         input_StopThread( p_input_thread );
  95
  96         var_Destroy( p_input_thread, "drawable" );
  97     }
  98
  99     vlc_object_release( p_input_thread );
 100
 101     p_mi->p_input_thread = NULL;
 102 }
 103
 104 /*
 105  * Retrieve the input thread. Be sure to release the object
 106  * once you are done with it. (libvlc Internal)
 107  *
 108  * Object lock is held.
 109  */
 110 input_thread_t *libvlc_get_input_thread( libvlc_media_player_t *p_mi,
 111                                          libvlc_exception_t *p_e )
 112 {
 113     input_thread_t *p_input_thread;
 114
 115     if( !p_mi ) RAISENULL( "Media Instance is NULL" );
 116
 117     vlc_mutex_lock( &p_mi->object_lock );
 118
 119     if( !p_mi->p_input_thread )
 120     {
 121         vlc_mutex_unlock( &p_mi->object_lock );
 122         RAISENULL( "Input is NULL" );
 123     }
 124
 125     p_input_thread = p_mi->p_input_thread;
 126     vlc_object_yield( p_input_thread );
 127
 128     vlc_mutex_unlock( &p_mi->object_lock );
 129
 130     return p_input_thread;
 131 }
 132
 133 /*
 134  * input_state_changed (Private) (input var "state" Callback)
 135  */
 136 static int
 137 input_state_changed( vlc_object_t * p_this, char const * psz_cmd,
 138                      vlc_value_t oldval, vlc_value_t newval,
 139                      void * p_userdata )
 140 {
 141     VLC_UNUSED(oldval);
 142     VLC_UNUSED(p_this);
 143     VLC_UNUSED(psz_cmd);
 144     libvlc_media_player_t * p_mi = p_userdata;
 145     libvlc_event_t event;
 146     libvlc_event_type_t type = newval.i_int;
 147
 148     switch ( type )
 149     {
 150         case END_S:
 151             libvlc_media_set_state( p_mi->p_md, libvlc_NothingSpecial, NULL);
 152             event.type = libvlc_MediaPlayerEndReached;
 153             break;
 154         case PAUSE_S:
 155             libvlc_media_set_state( p_mi->p_md, libvlc_Playing, NULL);
 156             event.type = libvlc_MediaPlayerPaused;
 157             break;
 158         case PLAYING_S:
 159             libvlc_media_set_state( p_mi->p_md, libvlc_Playing, NULL);
 160             event.type = libvlc_MediaPlayerPlayed;
 161             break;
 162         case ERROR_S:
 163             libvlc_media_set_state( p_mi->p_md, libvlc_Error, NULL);
 164             event.type = libvlc_MediaPlayerEncounteredError;
 165             break;
 166         default:
 167             return VLC_SUCCESS;
 168     }
 169
 170     libvlc_event_send( p_mi->p_event_manager, &event );
 171     return VLC_SUCCESS;
 172 }
 173
 174 static int
 175 input_seekable_changed( vlc_object_t * p_this, char const * psz_cmd,
 176                         vlc_value_t oldval, vlc_value_t newval,
 177                         void * p_userdata )
 178 {
 179     VLC_UNUSED(oldval);
 180     VLC_UNUSED(p_this);
 181     VLC_UNUSED(psz_cmd);
 182     libvlc_media_player_t * p_mi = p_userdata;
 183     libvlc_event_t event;
 184
 185     libvlc_media_set_state( p_mi->p_md, libvlc_NothingSpecial, NULL);
 186     event.type = libvlc_MediaPlayerSeekableChanged;
 187     event.u.media_player_seekable_changed.new_seekable = newval.b_bool;
 188
 189     libvlc_event_send( p_mi->p_event_manager, &event );
 190     return VLC_SUCCESS;
 191 }
 192
 193 static int
 194 input_pausable_changed( vlc_object_t * p_this, char const * psz_cmd,
 195                         vlc_value_t oldval, vlc_value_t newval,
 196                         void * p_userdata )
 197 {
 198     VLC_UNUSED(oldval);
 199     VLC_UNUSED(p_this);
 200     VLC_UNUSED(psz_cmd);
 201     libvlc_media_player_t * p_mi = p_userdata;
 202     libvlc_event_t event;
 203
 204     libvlc_media_set_state( p_mi->p_md, libvlc_NothingSpecial, NULL);
 205     event.type = libvlc_MediaPlayerPausableChanged;
 206     event.u.media_player_pausable_changed.new_pausable = newval.b_bool;
 207
 208     libvlc_event_send( p_mi->p_event_manager, &event );
 209     return VLC_SUCCESS;
 210 }
 211
 212 /*
 213  * input_position_changed (Private) (input var "intf-change" Callback)
 214  */
 215 static int
 216 input_position_changed( vlc_object_t * p_this, char const * psz_cmd,
 217                      vlc_value_t oldval, vlc_value_t newval,
 218                      void * p_userdata )
 219 {
 220     VLC_UNUSED(oldval);
 221     libvlc_media_player_t * p_mi = p_userdata;
 222     vlc_value_t val;
 223
 224     if (!strncmp(psz_cmd, "intf", 4 /* "-change" no need to go further */))
 225     {
 226         input_thread_t * p_input = (input_thread_t *)p_this;
 227
 228         var_Get( p_input, "state", &val );
 229         if( val.i_int != PLAYING_S )
 230             return VLC_SUCCESS; /* Don't send the position while stopped */
 231
 232         var_Get( p_input, "position", &val );
 233     }
 234     else
 235         val.i_time = newval.i_time;
 236
 237     libvlc_event_t event;
 238     event.type = libvlc_MediaPlayerPositionChanged;
 239     event.u.media_player_position_changed.new_position = val.f_float;
 240
 241     libvlc_event_send( p_mi->p_event_manager, &event );
 242     return VLC_SUCCESS;
 243 }
 244
 245 /*
 246  * input_time_changed (Private) (input var "intf-change" Callback)
 247  */
 248 static int
 249 input_time_changed( vlc_object_t * p_this, char const * psz_cmd,
 250                      vlc_value_t oldval, vlc_value_t newval,
 251                      void * p_userdata )
 252 {
 253     VLC_UNUSED(oldval);
 254     libvlc_media_player_t * p_mi = p_userdata;
 255     vlc_value_t val;
 256
 257     if (!strncmp(psz_cmd, "intf", 4 /* "-change" no need to go further */))
 258     {
 259         input_thread_t * p_input = (input_thread_t *)p_this;
 260
 261         var_Get( p_input, "state", &val );
 262         if( val.i_int != PLAYING_S )
 263             return VLC_SUCCESS; /* Don't send the position while stopped */
 264
 265         var_Get( p_input, "time", &val );
 266     }
 267     else
 268         val.i_time = newval.i_time;
 269
 270     libvlc_event_t event;
 271     event.type = libvlc_MediaPlayerTimeChanged;
 272     event.u.media_player_time_changed.new_time = val.i_time;
 273     libvlc_event_send( p_mi->p_event_manager, &event );
 274     return VLC_SUCCESS;
 275 }
 276
 277 /**************************************************************************
 278  * Create a Media Instance object
 279  **************************************************************************/
 280 libvlc_media_player_t *
 281 libvlc_media_player_new( libvlc_instance_t * p_libvlc_instance,
 282                            libvlc_exception_t * p_e )
 283 {
 284     libvlc_media_player_t * p_mi;
 285
 286     if( !p_libvlc_instance )
 287     {
 288         libvlc_exception_raise( p_e, "invalid libvlc instance" );
 289         return NULL;
 290     }
 291
 292     p_mi = malloc( sizeof(libvlc_media_player_t) );
 293     p_mi->p_md = NULL;
 294     p_mi->drawable = 0;
 295     p_mi->p_libvlc_instance = p_libvlc_instance;
 296     p_mi->p_input_thread = NULL;
 297     /* refcount strategy:
 298      * - All items created by _new start with a refcount set to 1
 299      * - Accessor _release decrease the refcount by 1, if after that
 300      *   operation the refcount is 0, the object is destroyed.
 301      * - Accessor _retain increase the refcount by 1 (XXX: to implement) */
 302     p_mi->i_refcount = 1;
 303     p_mi->b_own_its_input_thread = VLC_TRUE;
 304     /* object_lock strategy:
 305      * - No lock held in constructor
 306      * - Lock when accessing all variable this lock is held
 307      * - Lock when attempting to destroy the object the lock is also held */
 308     vlc_mutex_init( p_mi->p_libvlc_instance->p_libvlc_int,
 309                     &p_mi->object_lock );
 310     p_mi->p_event_manager = libvlc_event_manager_new( p_mi,
 311             p_libvlc_instance, p_e );
 312     if( libvlc_exception_raised( p_e ) )
 313     {
 314         free( p_mi );
 315         return NULL;
 316     }
 317
 318     libvlc_event_manager_register_event_type( p_mi->p_event_manager,
 319             libvlc_MediaPlayerEndReached, p_e );
 320     libvlc_event_manager_register_event_type( p_mi->p_event_manager,
 321             libvlc_MediaPlayerStopped, p_e );
 322     libvlc_event_manager_register_event_type( p_mi->p_event_manager,
 323             libvlc_MediaPlayerEncounteredError, p_e );
 324     libvlc_event_manager_register_event_type( p_mi->p_event_manager,
 325             libvlc_MediaPlayerPaused, p_e );
 326     libvlc_event_manager_register_event_type( p_mi->p_event_manager,
 327             libvlc_MediaPlayerPlayed, p_e );
 328     libvlc_event_manager_register_event_type( p_mi->p_event_manager,
 329             libvlc_MediaPlayerPositionChanged, p_e );
 330     libvlc_event_manager_register_event_type( p_mi->p_event_manager,
 331             libvlc_MediaPlayerTimeChanged, p_e );
 332     libvlc_event_manager_register_event_type( p_mi->p_event_manager,
 333             libvlc_MediaPlayerSeekableChanged, p_e );
 334     libvlc_event_manager_register_event_type( p_mi->p_event_manager,
 335             libvlc_MediaPlayerPausableChanged, p_e );
 336
 337     return p_mi;
 338 }
 339
 340 /**************************************************************************
 341  * Create a Media Instance object with a media descriptor
 342  **************************************************************************/
 343 libvlc_media_player_t *
 344 libvlc_media_player_new_from_media(
 345                                     libvlc_media_t * p_md,
 346                                     libvlc_exception_t *p_e )
 347 {
 348     libvlc_media_player_t * p_mi;
 349     p_mi = libvlc_media_player_new( p_md->p_libvlc_instance, p_e );
 350
 351     if( !p_mi )
 352         return NULL;
 353
 354     libvlc_media_retain( p_md );
 355     p_mi->p_md = p_md;
 356
 357     return p_mi;
 358 }
 359
 360 /**************************************************************************
 361  * Create a new media instance object from an input_thread (Libvlc Internal)
 362  **************************************************************************/
 363 libvlc_media_player_t * libvlc_media_player_new_from_input_thread(
 364                                    struct libvlc_instance_t *p_libvlc_instance,
 365                                    input_thread_t *p_input,
 366                                    libvlc_exception_t *p_e )
 367 {
 368     libvlc_media_player_t * p_mi;
 369
 370     if( !p_input )
 371     {
 372         libvlc_exception_raise( p_e, "invalid input thread" );
 373         return NULL;
 374     }
 375
 376     p_mi = libvlc_media_player_new( p_libvlc_instance, p_e );
 377
 378     if( !p_mi )
 379         return NULL;
 380
 381     p_mi->p_md = libvlc_media_new_from_input_item(
 382                     p_libvlc_instance,
 383                     input_GetItem( p_input ), p_e );
 384
 385     if( !p_mi->p_md )
 386     {
 387         libvlc_media_player_destroy( p_mi );
 388         return NULL;
 389     }
 390
 391     /* will be released in media_player_release() */
 392     vlc_object_yield( p_input );
 393
 394     p_mi->p_input_thread = p_input;
 395     p_mi->b_own_its_input_thread = VLC_FALSE;
 396
 397     return p_mi;
 398 }
 399
 400 /**************************************************************************
 401  * Destroy a Media Instance object (libvlc internal)
 402  *
 403  * Warning: No lock held here, but hey, this is internal.
 404  **************************************************************************/
 405 void libvlc_media_player_destroy( libvlc_media_player_t *p_mi )
 406 {
 407     input_thread_t *p_input_thread;
 408     libvlc_exception_t p_e;
 409
 410     libvlc_exception_init( &p_e );
 411
 412     if( !p_mi )
 413         return;
 414
 415     p_input_thread = libvlc_get_input_thread( p_mi, &p_e );
 416
 417     if( libvlc_exception_raised( &p_e ) )
 418     {
 419         libvlc_event_manager_release( p_mi->p_event_manager );
 420         libvlc_exception_clear( &p_e );
 421         free( p_mi );
 422         return; /* no need to worry about no input thread */
 423     }
 424     vlc_mutex_destroy( &p_mi->object_lock );
 425
 426     vlc_object_release( p_input_thread );
 427
 428     libvlc_media_release( p_mi->p_md );
 429
 430     free( p_mi );
 431 }
 432
 433 /**************************************************************************
 434  * Release a Media Instance object
 435  **************************************************************************/
 436 void libvlc_media_player_release( libvlc_media_player_t *p_mi )
 437 {
 438     if( !p_mi )
 439         return;
 440
 441     vlc_mutex_lock( &p_mi->object_lock );
 442
 443     p_mi->i_refcount--;
 444
 445     if( p_mi->i_refcount > 0 )
 446     {
 447         vlc_mutex_unlock( &p_mi->object_lock );
 448         return;
 449     }
 450     vlc_mutex_unlock( &p_mi->object_lock );
 451     vlc_mutex_destroy( &p_mi->object_lock );
 452
 453     release_input_thread( p_mi );
 454
 455     libvlc_event_manager_release( p_mi->p_event_manager );
 456
 457     libvlc_media_release( p_mi->p_md );
 458
 459     free( p_mi );
 460 }
 461
 462 /**************************************************************************
 463  * Retain a Media Instance object
 464  **************************************************************************/
 465 void libvlc_media_player_retain( libvlc_media_player_t *p_mi )
 466 {
 467     if( !p_mi )
 468         return;
 469
 470     p_mi->i_refcount++;
 471 }
 472
 473 /**************************************************************************
 474  * Set the Media descriptor associated with the instance
 475  **************************************************************************/
 476 void libvlc_media_player_set_media(
 477                             libvlc_media_player_t *p_mi,
 478                             libvlc_media_t *p_md,
 479                             libvlc_exception_t *p_e )
 480 {
 481     (void)p_e;
 482
 483     if( !p_mi )
 484         return;
 485
 486     vlc_mutex_lock( &p_mi->object_lock );
 487
 488     release_input_thread( p_mi );
 489
 490     if( p_mi->p_md )
 491         libvlc_media_set_state( p_mi->p_md, libvlc_NothingSpecial, NULL );
 492
 493     libvlc_media_release( p_mi->p_md );
 494
 495     if( !p_md )
 496     {
 497         p_mi->p_md = NULL;
 498         vlc_mutex_unlock( &p_mi->object_lock );
 499         return; /* It is ok to pass a NULL md */
 500     }
 501
 502     libvlc_media_retain( p_md );
 503     p_mi->p_md = p_md;
 504
 505     /* The policy here is to ignore that we were created using a different
 506      * libvlc_instance, because we don't really care */
 507     p_mi->p_libvlc_instance = p_md->p_libvlc_instance;
 508
 509     vlc_mutex_unlock( &p_mi->object_lock );
 510 }
 511
 512 /**************************************************************************
 513  * Get the Media descriptor associated with the instance
 514  **************************************************************************/
 515 libvlc_media_t *
 516 libvlc_media_player_get_media(
 517                             libvlc_media_player_t *p_mi,
 518                             libvlc_exception_t *p_e )
 519 {
 520     (void)p_e;
 521
 522     if( !p_mi->p_md )
 523         return NULL;
 524
 525     libvlc_media_retain( p_mi->p_md );
 526     return p_mi->p_md;
 527 }
 528
 529 /**************************************************************************
 530  * Get the event Manager
 531  **************************************************************************/
 532 libvlc_event_manager_t *
 533 libvlc_media_player_event_manager(
 534                             libvlc_media_player_t *p_mi,
 535                             libvlc_exception_t *p_e )
 536 {
 537     (void)p_e;
 538
 539     return p_mi->p_event_manager;
 540 }
 541
 542 /**************************************************************************
 543  * Play
 544  **************************************************************************/
 545 void libvlc_media_player_play( libvlc_media_player_t *p_mi,
 546                                  libvlc_exception_t *p_e )
 547 {
 548     input_thread_t * p_input_thread;
 549
 550     if( (p_input_thread = libvlc_get_input_thread( p_mi, p_e )) )
 551     {
 552         /* A thread already exists, send it a play message */
 553         input_Control( p_input_thread, INPUT_SET_STATE, PLAYING_S );
 554         vlc_object_release( p_input_thread );
 555         return;
 556     }
 557
 558     /* Ignore previous exception */
 559     libvlc_exception_clear( p_e );
 560
 561     vlc_mutex_lock( &p_mi->object_lock );
 562
 563     if( !p_mi->p_md )
 564     {
 565         libvlc_exception_raise( p_e, "no associated media descriptor" );
 566         vlc_mutex_unlock( &p_mi->object_lock );
 567         return;
 568     }
 569
 570     p_mi->p_input_thread = input_CreateThread( p_mi->p_libvlc_instance->p_libvlc_int,
 571                       p_mi->p_md->p_input_item );
 572
 573
 574     if( !p_mi->p_input_thread )
 575     {
 576         vlc_mutex_unlock( &p_mi->object_lock );
 577         return;
 578     }
 579
 580     p_input_thread = p_mi->p_input_thread;
 581
 582     if( p_mi->drawable )
 583     {
 584         vlc_value_t val;
 585         val.i_int = p_mi->drawable;
 586         var_Create( p_input_thread, "drawable", VLC_VAR_DOINHERIT );
 587         var_Set( p_input_thread, "drawable", val );
 588     }
 589     var_AddCallback( p_input_thread, "state", input_state_changed, p_mi );
 590     var_AddCallback( p_input_thread, "seekable", input_seekable_changed, p_mi );
 591     var_AddCallback( p_input_thread, "pausable", input_pausable_changed, p_mi );
 592     var_AddCallback( p_input_thread, "intf-change", input_position_changed, p_mi );
 593     var_AddCallback( p_input_thread, "intf-change", input_time_changed, p_mi );
 594
 595     vlc_mutex_unlock( &p_mi->object_lock );
 596 }
 597
 598 /**************************************************************************
 599  * Pause
 600  **************************************************************************/
 601 void libvlc_media_player_pause( libvlc_media_player_t *p_mi,
 602                                   libvlc_exception_t *p_e )
 603 {
 604     input_thread_t * p_input_thread = libvlc_get_input_thread( p_mi, p_e );
 605
 606     if( !p_input_thread )
 607         return;
 608
 609     int state = var_GetInteger( p_input_thread, "state" );
 610
 611     if( state == PLAYING_S )
 612     {
 613         if( libvlc_media_player_can_pause( p_mi, p_e ) )
 614             input_Control( p_input_thread, INPUT_SET_STATE, PAUSE_S );
 615         else
 616             libvlc_media_player_stop( p_mi, p_e );
 617     }
 618     else
 619         input_Control( p_input_thread, INPUT_SET_STATE, PLAYING_S );
 620
 621     vlc_object_release( p_input_thread );
 622 }
 623
 624 /**************************************************************************
 625  * Stop
 626  **************************************************************************/
 627 void libvlc_media_player_stop( libvlc_media_player_t *p_mi,
 628                                  libvlc_exception_t *p_e )
 629 {
 630     if( p_mi->b_own_its_input_thread )
 631     {
 632         vlc_mutex_lock( &p_mi->object_lock );
 633         release_input_thread( p_mi ); /* This will stop the input thread */
 634         vlc_mutex_unlock( &p_mi->object_lock );
 635     }
 636     else
 637     {
 638         input_thread_t * p_input_thread = libvlc_get_input_thread( p_mi, p_e );
 639
 640         if( !p_input_thread )
 641             return;
 642
 643         input_StopThread( p_input_thread );
 644         vlc_object_release( p_input_thread );
 645     }
 646
 647     /* Send a stop notification event */
 648     libvlc_event_t event;
 649     libvlc_media_set_state( p_mi->p_md, libvlc_Stopped, NULL);
 650     event.type = libvlc_MediaPlayerStopped;
 651     libvlc_event_send( p_mi->p_event_manager, &event );
 652 }
 653
 654 /**************************************************************************
 655  * Set Drawable
 656  **************************************************************************/
 657 void libvlc_media_player_set_drawable( libvlc_media_player_t *p_mi,
 658                                          libvlc_drawable_t drawable,
 659                                          libvlc_exception_t *p_e )
 660 {
 661     (void)p_e;
 662     p_mi->drawable = drawable;
 663 }
 664
 665 /**************************************************************************
 666  * Get Drawable
 667  **************************************************************************/
 668 libvlc_drawable_t
 669 libvlc_media_player_get_drawable ( libvlc_media_player_t *p_mi, libvlc_exception_t *p_e )
 670 {
 671     (void)p_e;
 672     return p_mi->drawable;
 673 }
 674
 675 /**************************************************************************
 676  * Getters for stream information
 677  **************************************************************************/
 678 libvlc_time_t libvlc_media_player_get_length(
 679                              libvlc_media_player_t *p_mi,
 680                              libvlc_exception_t *p_e )
 681 {
 682     input_thread_t *p_input_thread;
 683     vlc_value_t val;
 684
 685     p_input_thread = libvlc_get_input_thread ( p_mi, p_e);
 686     if( !p_input_thread )
 687         return -1;
 688
 689     var_Get( p_input_thread, "length", &val );
 690     vlc_object_release( p_input_thread );
 691
 692     return (val.i_time+500LL)/1000LL;
 693 }
 694
 695 libvlc_time_t libvlc_media_player_get_time(
 696                                    libvlc_media_player_t *p_mi,
 697                                    libvlc_exception_t *p_e )
 698 {
 699     input_thread_t *p_input_thread;
 700     vlc_value_t val;
 701
 702     p_input_thread = libvlc_get_input_thread ( p_mi, p_e );
 703     if( !p_input_thread )
 704         return -1;
 705
 706     var_Get( p_input_thread , "time", &val );
 707     vlc_object_release( p_input_thread );
 708     return (val.i_time+500LL)/1000LL;
 709 }
 710
 711 void libvlc_media_player_set_time(
 712                                  libvlc_media_player_t *p_mi,
 713                                  libvlc_time_t time,
 714                                  libvlc_exception_t *p_e )
 715 {
 716     input_thread_t *p_input_thread;
 717     vlc_value_t value;
 718
 719     p_input_thread = libvlc_get_input_thread ( p_mi, p_e );
 720     if( !p_input_thread )
 721         return;
 722
 723     value.i_time = time*1000LL;
 724     var_Set( p_input_thread, "time", value );
 725     vlc_object_release( p_input_thread );
 726 }
 727
 728 void libvlc_media_player_set_position(
 729                                 libvlc_media_player_t *p_mi,
 730                                 float position,
 731                                 libvlc_exception_t *p_e )
 732 {
 733     input_thread_t *p_input_thread;
 734     vlc_value_t val;
 735     val.f_float = position;
 736
 737     p_input_thread = libvlc_get_input_thread ( p_mi, p_e);
 738     if( !p_input_thread )
 739         return;
 740
 741     var_Set( p_input_thread, "position", val );
 742     vlc_object_release( p_input_thread );
 743 }
 744
 745 float libvlc_media_player_get_position(
 746                                  libvlc_media_player_t *p_mi,
 747                                  libvlc_exception_t *p_e )
 748 {
 749     input_thread_t *p_input_thread;
 750     vlc_value_t val;
 751
 752     p_input_thread = libvlc_get_input_thread ( p_mi, p_e );
 753     if( !p_input_thread )
 754         return -1.0;
 755
 756     var_Get( p_input_thread, "position", &val );
 757     vlc_object_release( p_input_thread );
 758
 759     return val.f_float;
 760 }
 761
 762 void libvlc_media_player_set_chapter(
 763                                  libvlc_media_player_t *p_mi,
 764                                  int chapter,
 765                                  libvlc_exception_t *p_e )
 766 {
 767     input_thread_t *p_input_thread;
 768     vlc_value_t val;
 769     val.i_int = chapter;
 770
 771     p_input_thread = libvlc_get_input_thread ( p_mi, p_e);
 772     if( !p_input_thread )
 773         return;
 774
 775     var_Set( p_input_thread, "chapter", val );
 776     vlc_object_release( p_input_thread );
 777 }
 778
 779 int libvlc_media_player_get_chapter(
 780                                  libvlc_media_player_t *p_mi,
 781                                  libvlc_exception_t *p_e )
 782 {
 783     input_thread_t *p_input_thread;
 784     vlc_value_t val;
 785
 786     p_input_thread = libvlc_get_input_thread ( p_mi, p_e );
 787     if( !p_input_thread )
 788         return -1.0;
 789
 790     var_Get( p_input_thread, "chapter", &val );
 791     vlc_object_release( p_input_thread );
 792
 793     return val.i_int;
 794 }
 795
 796 int libvlc_media_player_get_chapter_count(
 797                                  libvlc_media_player_t *p_mi,
 798                                  libvlc_exception_t *p_e )
 799 {
 800     input_thread_t *p_input_thread;
 801     vlc_value_t val;
 802
 803     p_input_thread = libvlc_get_input_thread ( p_mi, p_e );
 804     if( !p_input_thread )
 805         return -1.0;
 806
 807     var_Change( p_input_thread, "chapter", VLC_VAR_CHOICESCOUNT, &val, NULL );
 808     vlc_object_release( p_input_thread );
 809
 810     return val.i_int;
 811 }
 812
 813 float libvlc_media_player_get_fps(
 814                                  libvlc_media_player_t *p_mi,
 815                                  libvlc_exception_t *p_e)
 816 {
 817     input_thread_t *p_input_thread = libvlc_get_input_thread ( p_mi, p_e );
 818     double f_fps = 0.0;
 819
 820     if( p_input_thread )
 821     {
 822         if( input_Control( p_input_thread, INPUT_GET_VIDEO_FPS, &f_fps ) )
 823             f_fps = 0.0;
 824         vlc_object_release( p_input_thread );
 825     }
 826     return f_fps;
 827 }
 828
 829 int libvlc_media_player_will_play( libvlc_media_player_t *p_mi,
 830                                      libvlc_exception_t *p_e)
 831 {
 832     input_thread_t *p_input_thread =
 833                             libvlc_get_input_thread ( p_mi, p_e);
 834     if ( !p_input_thread )
 835         return VLC_FALSE;
 836
 837     if ( !p_input_thread->b_die && !p_input_thread->b_dead )
 838     {
 839         vlc_object_release( p_input_thread );
 840         return VLC_TRUE;
 841     }
 842     vlc_object_release( p_input_thread );
 843     return VLC_FALSE;
 844 }
 845
 846 void libvlc_media_player_set_rate(
 847                                  libvlc_media_player_t *p_mi,
 848                                  float rate,
 849                                  libvlc_exception_t *p_e )
 850 {
 851     input_thread_t *p_input_thread;
 852     vlc_value_t val;
 853
 854     if( rate <= 0 )
 855         RAISEVOID( "Rate value is invalid" );
 856
 857     val.i_int = 1000.0f/rate;
 858
 859     p_input_thread = libvlc_get_input_thread ( p_mi, p_e);
 860     if ( !p_input_thread )
 861         return;
 862
 863     var_Set( p_input_thread, "rate", val );
 864     vlc_object_release( p_input_thread );
 865 }
 866
 867 float libvlc_media_player_get_rate(
 868                                  libvlc_media_player_t *p_mi,
 869                                  libvlc_exception_t *p_e )
 870 {
 871     input_thread_t *p_input_thread;
 872     vlc_value_t val;
 873
 874     p_input_thread = libvlc_get_input_thread ( p_mi, p_e);
 875     if ( !p_input_thread )
 876         return -1.0;
 877
 878     var_Get( p_input_thread, "rate", &val );
 879     vlc_object_release( p_input_thread );
 880
 881     return (float)1000.0f/val.i_int;
 882 }
 883
 884 libvlc_state_t libvlc_media_player_get_state(
 885                                  libvlc_media_player_t *p_mi,
 886                                  libvlc_exception_t *p_e )
 887 {
 888     input_thread_t *p_input_thread;
 889     vlc_value_t val;
 890
 891     p_input_thread = libvlc_get_input_thread ( p_mi, p_e );
 892     if ( !p_input_thread )
 893     {
 894         /* We do return the right value, no need to throw an exception */
 895         if( libvlc_exception_raised( p_e ) )
 896             libvlc_exception_clear( p_e );
 897         return libvlc_Stopped;
 898     }
 899
 900     var_Get( p_input_thread, "state", &val );
 901     vlc_object_release( p_input_thread );
 902
 903     return vlc_to_libvlc_state(val.i_int);
 904 }
 905
 906 int libvlc_media_player_is_seekable( libvlc_media_player_t *p_mi,
 907                                        libvlc_exception_t *p_e )
 908 {
 909     input_thread_t *p_input_thread;
 910     vlc_value_t val;
 911
 912     p_input_thread = libvlc_get_input_thread ( p_mi, p_e );
 913     if ( !p_input_thread )
 914     {
 915         /* We do return the right value, no need to throw an exception */
 916         if( libvlc_exception_raised( p_e ) )
 917             libvlc_exception_clear( p_e );
 918         return VLC_FALSE;
 919     }
 920     var_Get( p_input_thread, "seekable", &val );
 921     vlc_object_release( p_input_thread );
 922
 923     return val.b_bool;
 924 }
 925
 926 int libvlc_media_player_can_pause( libvlc_media_player_t *p_mi,
 927                                      libvlc_exception_t *p_e )
 928 {
 929     input_thread_t *p_input_thread;
 930     vlc_value_t val;
 931
 932     p_input_thread = libvlc_get_input_thread ( p_mi, p_e );
 933     if ( !p_input_thread )
 934     {
 935         /* We do return the right value, no need to throw an exception */
 936         if( libvlc_exception_raised( p_e ) )
 937             libvlc_exception_clear( p_e );
 938         return VLC_FALSE;
 939     }
 940     var_Get( p_input_thread, "can-pause", &val );
 941     vlc_object_release( p_input_thread );
 942
 943     return val.b_bool;
 944 }