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 = 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->object_lock );
 309     p_mi->p_event_manager = libvlc_event_manager_new( p_mi,
 310             p_libvlc_instance, p_e );
 311     if( libvlc_exception_raised( p_e ) )
 312     {
 313         free( p_mi );
 314         return NULL;
 315     }
 316
 317     libvlc_event_manager_register_event_type( p_mi->p_event_manager,
 318             libvlc_MediaPlayerEndReached, p_e );
 319     libvlc_event_manager_register_event_type( p_mi->p_event_manager,
 320             libvlc_MediaPlayerStopped, p_e );
 321     libvlc_event_manager_register_event_type( p_mi->p_event_manager,
 322             libvlc_MediaPlayerEncounteredError, p_e );
 323     libvlc_event_manager_register_event_type( p_mi->p_event_manager,
 324             libvlc_MediaPlayerPaused, p_e );
 325     libvlc_event_manager_register_event_type( p_mi->p_event_manager,
 326             libvlc_MediaPlayerPlayed, p_e );
 327     libvlc_event_manager_register_event_type( p_mi->p_event_manager,
 328             libvlc_MediaPlayerPositionChanged, p_e );
 329     libvlc_event_manager_register_event_type( p_mi->p_event_manager,
 330             libvlc_MediaPlayerTimeChanged, p_e );
 331     libvlc_event_manager_register_event_type( p_mi->p_event_manager,
 332             libvlc_MediaPlayerSeekableChanged, p_e );
 333     libvlc_event_manager_register_event_type( p_mi->p_event_manager,
 334             libvlc_MediaPlayerPausableChanged, p_e );
 335
 336     return p_mi;
 337 }
 338
 339 /**************************************************************************
 340  * Create a Media Instance object with a media descriptor
 341  **************************************************************************/
 342 libvlc_media_player_t *
 343 libvlc_media_player_new_from_media(
 344                                     libvlc_media_t * p_md,
 345                                     libvlc_exception_t *p_e )
 346 {
 347     libvlc_media_player_t * p_mi;
 348     p_mi = libvlc_media_player_new( p_md->p_libvlc_instance, p_e );
 349
 350     if( !p_mi )
 351         return NULL;
 352
 353     libvlc_media_retain( p_md );
 354     p_mi->p_md = p_md;
 355
 356     return p_mi;
 357 }
 358
 359 /**************************************************************************
 360  * Create a new media instance object from an input_thread (Libvlc Internal)
 361  **************************************************************************/
 362 libvlc_media_player_t * libvlc_media_player_new_from_input_thread(
 363                                    struct libvlc_instance_t *p_libvlc_instance,
 364                                    input_thread_t *p_input,
 365                                    libvlc_exception_t *p_e )
 366 {
 367     libvlc_media_player_t * p_mi;
 368
 369     if( !p_input )
 370     {
 371         libvlc_exception_raise( p_e, "invalid input thread" );
 372         return NULL;
 373     }
 374
 375     p_mi = libvlc_media_player_new( p_libvlc_instance, p_e );
 376
 377     if( !p_mi )
 378         return NULL;
 379
 380     p_mi->p_md = libvlc_media_new_from_input_item(
 381                     p_libvlc_instance,
 382                     input_GetItem( p_input ), p_e );
 383
 384     if( !p_mi->p_md )
 385     {
 386         libvlc_media_player_destroy( p_mi );
 387         return NULL;
 388     }
 389
 390     /* will be released in media_player_release() */
 391     vlc_object_yield( p_input );
 392
 393     p_mi->p_input_thread = p_input;
 394     p_mi->b_own_its_input_thread = false;
 395
 396     return p_mi;
 397 }
 398
 399 /**************************************************************************
 400  * Destroy a Media Instance object (libvlc internal)
 401  *
 402  * Warning: No lock held here, but hey, this is internal.
 403  **************************************************************************/
 404 void libvlc_media_player_destroy( libvlc_media_player_t *p_mi )
 405 {
 406     input_thread_t *p_input_thread;
 407     libvlc_exception_t p_e;
 408
 409     libvlc_exception_init( &p_e );
 410
 411     if( !p_mi )
 412         return;
 413
 414     p_input_thread = libvlc_get_input_thread( p_mi, &p_e );
 415
 416     if( libvlc_exception_raised( &p_e ) )
 417     {
 418         libvlc_event_manager_release( p_mi->p_event_manager );
 419         libvlc_exception_clear( &p_e );
 420         free( p_mi );
 421         return; /* no need to worry about no input thread */
 422     }
 423     vlc_mutex_destroy( &p_mi->object_lock );
 424
 425     vlc_object_release( p_input_thread );
 426
 427     libvlc_media_release( p_mi->p_md );
 428
 429     free( p_mi );
 430 }
 431
 432 /**************************************************************************
 433  * Release a Media Instance object
 434  **************************************************************************/
 435 void libvlc_media_player_release( libvlc_media_player_t *p_mi )
 436 {
 437     if( !p_mi )
 438         return;
 439
 440     vlc_mutex_lock( &p_mi->object_lock );
 441
 442     p_mi->i_refcount--;
 443
 444     if( p_mi->i_refcount > 0 )
 445     {
 446         vlc_mutex_unlock( &p_mi->object_lock );
 447         return;
 448     }
 449     vlc_mutex_unlock( &p_mi->object_lock );
 450     vlc_mutex_destroy( &p_mi->object_lock );
 451
 452     release_input_thread( p_mi );
 453
 454     libvlc_event_manager_release( p_mi->p_event_manager );
 455
 456     libvlc_media_release( p_mi->p_md );
 457
 458     free( p_mi );
 459 }
 460
 461 /**************************************************************************
 462  * Retain a Media Instance object
 463  **************************************************************************/
 464 void libvlc_media_player_retain( libvlc_media_player_t *p_mi )
 465 {
 466     if( !p_mi )
 467         return;
 468
 469     p_mi->i_refcount++;
 470 }
 471
 472 /**************************************************************************
 473  * Set the Media descriptor associated with the instance
 474  **************************************************************************/
 475 void libvlc_media_player_set_media(
 476                             libvlc_media_player_t *p_mi,
 477                             libvlc_media_t *p_md,
 478                             libvlc_exception_t *p_e )
 479 {
 480     (void)p_e;
 481
 482     if( !p_mi )
 483         return;
 484
 485     vlc_mutex_lock( &p_mi->object_lock );
 486
 487     release_input_thread( p_mi );
 488
 489     if( p_mi->p_md )
 490         libvlc_media_set_state( p_mi->p_md, libvlc_NothingSpecial, p_e );
 491
 492     libvlc_media_release( p_mi->p_md );
 493
 494     if( !p_md )
 495     {
 496         p_mi->p_md = NULL;
 497         vlc_mutex_unlock( &p_mi->object_lock );
 498         return; /* It is ok to pass a NULL md */
 499     }
 500
 501     libvlc_media_retain( p_md );
 502     p_mi->p_md = p_md;
 503
 504     /* The policy here is to ignore that we were created using a different
 505      * libvlc_instance, because we don't really care */
 506     p_mi->p_libvlc_instance = p_md->p_libvlc_instance;
 507
 508     vlc_mutex_unlock( &p_mi->object_lock );
 509 }
 510
 511 /**************************************************************************
 512  * Get the Media descriptor associated with the instance
 513  **************************************************************************/
 514 libvlc_media_t *
 515 libvlc_media_player_get_media(
 516                             libvlc_media_player_t *p_mi,
 517                             libvlc_exception_t *p_e )
 518 {
 519     (void)p_e;
 520
 521     if( !p_mi->p_md )
 522         return NULL;
 523
 524     libvlc_media_retain( p_mi->p_md );
 525     return p_mi->p_md;
 526 }
 527
 528 /**************************************************************************
 529  * Get the event Manager
 530  **************************************************************************/
 531 libvlc_event_manager_t *
 532 libvlc_media_player_event_manager(
 533                             libvlc_media_player_t *p_mi,
 534                             libvlc_exception_t *p_e )
 535 {
 536     (void)p_e;
 537
 538     return p_mi->p_event_manager;
 539 }
 540
 541 /**************************************************************************
 542  * Play
 543  **************************************************************************/
 544 void libvlc_media_player_play( libvlc_media_player_t *p_mi,
 545                                  libvlc_exception_t *p_e )
 546 {
 547     input_thread_t * p_input_thread;
 548
 549     if( (p_input_thread = libvlc_get_input_thread( p_mi, p_e )) )
 550     {
 551         /* A thread already exists, send it a play message */
 552         input_Control( p_input_thread, INPUT_SET_STATE, PLAYING_S );
 553         vlc_object_release( p_input_thread );
 554         return;
 555     }
 556
 557     /* Ignore previous exception */
 558     libvlc_exception_clear( p_e );
 559
 560     vlc_mutex_lock( &p_mi->object_lock );
 561
 562     if( !p_mi->p_md )
 563     {
 564         libvlc_exception_raise( p_e, "no associated media descriptor" );
 565         vlc_mutex_unlock( &p_mi->object_lock );
 566         return;
 567     }
 568
 569     p_mi->p_input_thread = input_CreateThread( p_mi->p_libvlc_instance->p_libvlc_int,
 570                       p_mi->p_md->p_input_item );
 571
 572
 573     if( !p_mi->p_input_thread )
 574     {
 575         vlc_mutex_unlock( &p_mi->object_lock );
 576         return;
 577     }
 578
 579     p_input_thread = p_mi->p_input_thread;
 580
 581     if( p_mi->drawable )
 582     {
 583         vlc_value_t val;
 584         val.i_int = p_mi->drawable;
 585         var_Create( p_input_thread, "drawable", VLC_VAR_DOINHERIT );
 586         var_Set( p_input_thread, "drawable", val );
 587     }
 588     var_AddCallback( p_input_thread, "state", input_state_changed, p_mi );
 589     var_AddCallback( p_input_thread, "seekable", input_seekable_changed, p_mi );
 590     var_AddCallback( p_input_thread, "pausable", input_pausable_changed, p_mi );
 591     var_AddCallback( p_input_thread, "intf-change", input_position_changed, p_mi );
 592     var_AddCallback( p_input_thread, "intf-change", input_time_changed, p_mi );
 593
 594     vlc_mutex_unlock( &p_mi->object_lock );
 595 }
 596
 597 /**************************************************************************
 598  * Pause
 599  **************************************************************************/
 600 void libvlc_media_player_pause( libvlc_media_player_t *p_mi,
 601                                   libvlc_exception_t *p_e )
 602 {
 603     input_thread_t * p_input_thread = libvlc_get_input_thread( p_mi, p_e );
 604
 605     if( !p_input_thread )
 606         return;
 607
 608     libvlc_state_t state = libvlc_media_player_get_state( p_mi, p_e );
 609
 610     if( state == libvlc_Playing )
 611     {
 612         if( libvlc_media_player_can_pause( p_mi, p_e ) )
 613             input_Control( p_input_thread, INPUT_SET_STATE, PAUSE_S );
 614         else
 615             libvlc_media_player_stop( p_mi, p_e );
 616     }
 617     else
 618         input_Control( p_input_thread, INPUT_SET_STATE, PLAYING_S );
 619
 620     vlc_object_release( p_input_thread );
 621 }
 622
 623 /**************************************************************************
 624  * Stop
 625  **************************************************************************/
 626 void libvlc_media_player_stop( libvlc_media_player_t *p_mi,
 627                                  libvlc_exception_t *p_e )
 628 {
 629     libvlc_state_t state = libvlc_media_player_get_state( p_mi, p_e );
 630
 631     if( state == libvlc_Playing || state == libvlc_Paused )
 632     {
 633         /* Send a stop notification event only of we are in playing or paused states */
 634
 635         libvlc_media_set_state( p_mi->p_md, libvlc_Stopped, p_e );
 636
 637         /* Construct and send the event */
 638         libvlc_event_t event;
 639         event.type = libvlc_MediaPlayerStopped;
 640         libvlc_event_send( p_mi->p_event_manager, &event );
 641     }
 642
 643     if( p_mi->b_own_its_input_thread )
 644     {
 645         vlc_mutex_lock( &p_mi->object_lock );
 646         release_input_thread( p_mi ); /* This will stop the input thread */
 647         vlc_mutex_unlock( &p_mi->object_lock );
 648     }
 649     else
 650     {
 651         input_thread_t * p_input_thread = libvlc_get_input_thread( p_mi, p_e );
 652
 653         if( !p_input_thread )
 654             return;
 655
 656         input_StopThread( p_input_thread );
 657         vlc_object_release( p_input_thread );
 658     }
 659 }
 660
 661 /**************************************************************************
 662  * Set Drawable
 663  **************************************************************************/
 664 void libvlc_media_player_set_drawable( libvlc_media_player_t *p_mi,
 665                                          libvlc_drawable_t drawable,
 666                                          libvlc_exception_t *p_e )
 667 {
 668     (void)p_e;
 669     p_mi->drawable = drawable;
 670 }
 671
 672 /**************************************************************************
 673  * Get Drawable
 674  **************************************************************************/
 675 libvlc_drawable_t
 676 libvlc_media_player_get_drawable ( libvlc_media_player_t *p_mi, libvlc_exception_t *p_e )
 677 {
 678     (void)p_e;
 679     return p_mi->drawable;
 680 }
 681
 682 /**************************************************************************
 683  * Getters for stream information
 684  **************************************************************************/
 685 libvlc_time_t libvlc_media_player_get_length(
 686                              libvlc_media_player_t *p_mi,
 687                              libvlc_exception_t *p_e )
 688 {
 689     input_thread_t *p_input_thread;
 690     vlc_value_t val;
 691
 692     p_input_thread = libvlc_get_input_thread ( p_mi, p_e);
 693     if( !p_input_thread )
 694         return -1;
 695
 696     var_Get( p_input_thread, "length", &val );
 697     vlc_object_release( p_input_thread );
 698
 699     return (val.i_time+500LL)/1000LL;
 700 }
 701
 702 libvlc_time_t libvlc_media_player_get_time(
 703                                    libvlc_media_player_t *p_mi,
 704                                    libvlc_exception_t *p_e )
 705 {
 706     input_thread_t *p_input_thread;
 707     vlc_value_t val;
 708
 709     p_input_thread = libvlc_get_input_thread ( p_mi, p_e );
 710     if( !p_input_thread )
 711         return -1;
 712
 713     var_Get( p_input_thread , "time", &val );
 714     vlc_object_release( p_input_thread );
 715     return (val.i_time+500LL)/1000LL;
 716 }
 717
 718 void libvlc_media_player_set_time(
 719                                  libvlc_media_player_t *p_mi,
 720                                  libvlc_time_t time,
 721                                  libvlc_exception_t *p_e )
 722 {
 723     input_thread_t *p_input_thread;
 724     vlc_value_t value;
 725
 726     p_input_thread = libvlc_get_input_thread ( p_mi, p_e );
 727     if( !p_input_thread )
 728         return;
 729
 730     value.i_time = time*1000LL;
 731     var_Set( p_input_thread, "time", value );
 732     vlc_object_release( p_input_thread );
 733 }
 734
 735 void libvlc_media_player_set_position(
 736                                 libvlc_media_player_t *p_mi,
 737                                 float position,
 738                                 libvlc_exception_t *p_e )
 739 {
 740     input_thread_t *p_input_thread;
 741     vlc_value_t val;
 742     val.f_float = position;
 743
 744     p_input_thread = libvlc_get_input_thread ( p_mi, p_e);
 745     if( !p_input_thread )
 746         return;
 747
 748     var_Set( p_input_thread, "position", val );
 749     vlc_object_release( p_input_thread );
 750 }
 751
 752 float libvlc_media_player_get_position(
 753                                  libvlc_media_player_t *p_mi,
 754                                  libvlc_exception_t *p_e )
 755 {
 756     input_thread_t *p_input_thread;
 757     vlc_value_t val;
 758
 759     p_input_thread = libvlc_get_input_thread ( p_mi, p_e );
 760     if( !p_input_thread )
 761         return -1.0;
 762
 763     var_Get( p_input_thread, "position", &val );
 764     vlc_object_release( p_input_thread );
 765
 766     return val.f_float;
 767 }
 768
 769 void libvlc_media_player_set_chapter(
 770                                  libvlc_media_player_t *p_mi,
 771                                  int chapter,
 772                                  libvlc_exception_t *p_e )
 773 {
 774     input_thread_t *p_input_thread;
 775     vlc_value_t val;
 776     val.i_int = chapter;
 777
 778     p_input_thread = libvlc_get_input_thread ( p_mi, p_e);
 779     if( !p_input_thread )
 780         return;
 781
 782     var_Set( p_input_thread, "chapter", val );
 783     vlc_object_release( p_input_thread );
 784 }
 785
 786 int libvlc_media_player_get_chapter(
 787                                  libvlc_media_player_t *p_mi,
 788                                  libvlc_exception_t *p_e )
 789 {
 790     input_thread_t *p_input_thread;
 791     vlc_value_t val;
 792
 793     p_input_thread = libvlc_get_input_thread ( p_mi, p_e );
 794     if( !p_input_thread )
 795         return -1.0;
 796
 797     var_Get( p_input_thread, "chapter", &val );
 798     vlc_object_release( p_input_thread );
 799
 800     return val.i_int;
 801 }
 802
 803 int libvlc_media_player_get_chapter_count(
 804                                  libvlc_media_player_t *p_mi,
 805                                  libvlc_exception_t *p_e )
 806 {
 807     input_thread_t *p_input_thread;
 808     vlc_value_t val;
 809
 810     p_input_thread = libvlc_get_input_thread ( p_mi, p_e );
 811     if( !p_input_thread )
 812         return -1.0;
 813
 814     var_Change( p_input_thread, "chapter", VLC_VAR_CHOICESCOUNT, &val, NULL );
 815     vlc_object_release( p_input_thread );
 816
 817     return val.i_int;
 818 }
 819
 820 float libvlc_media_player_get_fps(
 821                                  libvlc_media_player_t *p_mi,
 822                                  libvlc_exception_t *p_e)
 823 {
 824     input_thread_t *p_input_thread = libvlc_get_input_thread ( p_mi, p_e );
 825     double f_fps = 0.0;
 826
 827     if( p_input_thread )
 828     {
 829         if( input_Control( p_input_thread, INPUT_GET_VIDEO_FPS, &f_fps ) )
 830             f_fps = 0.0;
 831         vlc_object_release( p_input_thread );
 832     }
 833     return f_fps;
 834 }
 835
 836 int libvlc_media_player_will_play( libvlc_media_player_t *p_mi,
 837                                      libvlc_exception_t *p_e)
 838 {
 839     input_thread_t *p_input_thread =
 840                             libvlc_get_input_thread ( p_mi, p_e);
 841     if ( !p_input_thread )
 842         return false;
 843
 844     if ( !p_input_thread->b_die && !p_input_thread->b_dead )
 845     {
 846         vlc_object_release( p_input_thread );
 847         return true;
 848     }
 849     vlc_object_release( p_input_thread );
 850     return false;
 851 }
 852
 853 void libvlc_media_player_set_rate(
 854                                  libvlc_media_player_t *p_mi,
 855                                  float rate,
 856                                  libvlc_exception_t *p_e )
 857 {
 858     input_thread_t *p_input_thread;
 859     vlc_value_t val;
 860
 861     if( rate <= 0 )
 862         RAISEVOID( "Rate value is invalid" );
 863
 864     val.i_int = 1000.0f/rate;
 865
 866     p_input_thread = libvlc_get_input_thread ( p_mi, p_e);
 867     if ( !p_input_thread )
 868         return;
 869
 870     var_Set( p_input_thread, "rate", val );
 871     vlc_object_release( p_input_thread );
 872 }
 873
 874 float libvlc_media_player_get_rate(
 875                                  libvlc_media_player_t *p_mi,
 876                                  libvlc_exception_t *p_e )
 877 {
 878     input_thread_t *p_input_thread;
 879     vlc_value_t val;
 880
 881     p_input_thread = libvlc_get_input_thread ( p_mi, p_e);
 882     if ( !p_input_thread )
 883         return -1.0;
 884
 885     var_Get( p_input_thread, "rate", &val );
 886     vlc_object_release( p_input_thread );
 887
 888     return (float)1000.0f/val.i_int;
 889 }
 890
 891 libvlc_state_t libvlc_media_player_get_state(
 892                                  libvlc_media_player_t *p_mi,
 893                                  libvlc_exception_t *p_e )
 894 {
 895     input_thread_t *p_input_thread;
 896     vlc_value_t val;
 897
 898     p_input_thread = libvlc_get_input_thread ( p_mi, p_e );
 899     if ( !p_input_thread )
 900     {
 901         /* We do return the right value, no need to throw an exception */
 902         if( libvlc_exception_raised( p_e ) )
 903             libvlc_exception_clear( p_e );
 904         return libvlc_Stopped;
 905     }
 906
 907     var_Get( p_input_thread, "state", &val );
 908     vlc_object_release( p_input_thread );
 909
 910     return vlc_to_libvlc_state(val.i_int);
 911 }
 912
 913 int libvlc_media_player_is_seekable( libvlc_media_player_t *p_mi,
 914                                        libvlc_exception_t *p_e )
 915 {
 916     input_thread_t *p_input_thread;
 917     vlc_value_t val;
 918
 919     p_input_thread = libvlc_get_input_thread ( p_mi, p_e );
 920     if ( !p_input_thread )
 921     {
 922         /* We do return the right value, no need to throw an exception */
 923         if( libvlc_exception_raised( p_e ) )
 924             libvlc_exception_clear( p_e );
 925         return false;
 926     }
 927     var_Get( p_input_thread, "seekable", &val );
 928     vlc_object_release( p_input_thread );
 929
 930     return val.b_bool;
 931 }
 932
 933 int libvlc_media_player_can_pause( libvlc_media_player_t *p_mi,
 934                                      libvlc_exception_t *p_e )
 935 {
 936     input_thread_t *p_input_thread;
 937     vlc_value_t val;
 938
 939     p_input_thread = libvlc_get_input_thread ( p_mi, p_e );
 940     if ( !p_input_thread )
 941     {
 942         /* We do return the right value, no need to throw an exception */
 943         if( libvlc_exception_raised( p_e ) )
 944             libvlc_exception_clear( p_e );
 945         return false;
 946     }
 947     var_Get( p_input_thread, "can-pause", &val );
 948     vlc_object_release( p_input_thread );
 949
 950     return val.b_bool;
 951 }