src/control/video.c

   1 /*****************************************************************************
   2  * video.c: libvlc new API video functions
   3  *****************************************************************************
   4  * Copyright (C) 2005 the VideoLAN team
   5  *
   6  * $Id$
   7  *
   8  * Authors: Clément Stenac <zorglub@videolan.org>
   9  *          Filippo Carone <littlejohn@videolan.org>
  10  *          Jean-Paul Saman <jpsaman _at_ m2x _dot_ nl>
  11  *          Damien Fouilleul <damienf a_t videolan dot org>
  12  *
  13  * This program is free software; you can redistribute it and/or modify
  14  * it under the terms of the GNU General Public License as published by
  15  * the Free Software Foundation; either version 2 of the License, or
  16  * (at your option) any later version.
  17  *
  18  * This program is distributed in the hope that it will be useful,
  19  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  20  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  21  * GNU General Public License for more details.
  22  *
  23  * You should have received a copy of the GNU General Public License
  24  * along with this program; if not, write to the Free Software
  25  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
  26  *****************************************************************************/
  27
  28 #ifdef HAVE_CONFIG_H
  29 # include "config.h"
  30 #endif
  31
  32 #include <vlc/libvlc.h>
  33 #include <vlc/libvlc_media.h>
  34 #include <vlc/libvlc_media_player.h>
  35
  36 #include <vlc_common.h>
  37 #include <vlc_input.h>
  38 #include <vlc_vout.h>
  39
  40 #include "media_player_internal.h"
  41 #include <vlc_osd.h>
  42
  43 /*
  44  * Remember to release the returned vout_thread_t.
  45  */
  46 static vout_thread_t *GetVout( libvlc_media_player_t *p_mi,
  47                                libvlc_exception_t *p_exception )
  48 {
  49     input_thread_t *p_input = libvlc_get_input_thread( p_mi, p_exception );
  50     vout_thread_t *p_vout = NULL;
  51
  52     if( p_input )
  53     {
  54         p_vout = input_GetVout( p_input );
  55         if( !p_vout )
  56         {
  57             libvlc_exception_raise( p_exception, "No active video output" );
  58         }
  59         vlc_object_release( p_input );
  60     }
  61     return p_vout;
  62 }
  63
  64 /**********************************************************************
  65  * Exported functions
  66  **********************************************************************/
  67
  68 void libvlc_set_fullscreen( libvlc_media_player_t *p_mi, int b_fullscreen,
  69                             libvlc_exception_t *p_e )
  70 {
  71     /* We only work on the first vout */
  72     vout_thread_t *p_vout = GetVout( p_mi, p_e );
  73
  74     /* GetVout will raise the exception for us */
  75     if( !p_vout ) return;
  76
  77     var_SetBool( p_vout, "fullscreen", b_fullscreen );
  78
  79     vlc_object_release( p_vout );
  80 }
  81
  82 int libvlc_get_fullscreen( libvlc_media_player_t *p_mi,
  83                             libvlc_exception_t *p_e )
  84 {
  85     /* We only work on the first vout */
  86     vout_thread_t *p_vout = GetVout( p_mi, p_e );
  87     int i_ret;
  88
  89     /* GetVout will raise the exception for us */
  90     if( !p_vout ) return 0;
  91
  92     i_ret = var_GetBool( p_vout, "fullscreen" );
  93
  94     vlc_object_release( p_vout );
  95
  96     return i_ret;
  97 }
  98
  99 void libvlc_toggle_fullscreen( libvlc_media_player_t *p_mi,
 100                                libvlc_exception_t *p_e )
 101 {
 102     /* We only work on the first vout */
 103     vout_thread_t *p_vout = GetVout( p_mi, p_e );
 104
 105     /* GetVout will raise the exception for us */
 106     if( !p_vout ) return;
 107
 108     var_ToggleBool( p_vout, "fullscreen" );
 109
 110     vlc_object_release( p_vout );
 111 }
 112
 113 void
 114 libvlc_video_take_snapshot( libvlc_media_player_t *p_mi, const char *psz_filepath,
 115         unsigned int i_width, unsigned int i_height, libvlc_exception_t *p_e )
 116 {
 117     vout_thread_t *p_vout;
 118
 119     /* The filepath must be not NULL */
 120     if( !psz_filepath )
 121     {
 122         libvlc_exception_raise( p_e, "filepath is null" );
 123         return;
 124     }
 125     /* We must have an input */
 126     if( !p_mi->p_input_thread )
 127     {
 128         libvlc_exception_raise( p_e, "Input does not exist" );
 129         return;
 130     }
 131
 132     /* GetVout will raise the exception for us */
 133     p_vout = GetVout( p_mi, p_e );
 134     if( !p_vout ) return;
 135
 136     var_SetInteger( p_vout, "snapshot-width", i_width );
 137     var_SetInteger( p_vout, "snapshot-height", i_height );
 138
 139     var_SetString( p_vout, "snapshot-path", psz_filepath );
 140     var_SetString( p_vout, "snapshot-format", "png" );
 141
 142     var_TriggerCallback( p_vout, "video-snapshot" );
 143     vlc_object_release( p_vout );
 144 }
 145
 146 int libvlc_video_get_height( libvlc_media_player_t *p_mi,
 147                              libvlc_exception_t *p_e )
 148 {
 149     int height;
 150
 151     vout_thread_t *p_vout = GetVout( p_mi, p_e );
 152     if( !p_vout ) return 0;
 153
 154     height = p_vout->i_window_height;
 155
 156     vlc_object_release( p_vout );
 157
 158     return height;
 159 }
 160
 161 int libvlc_video_get_width( libvlc_media_player_t *p_mi,
 162                             libvlc_exception_t *p_e )
 163 {
 164     int width;
 165
 166     vout_thread_t *p_vout = GetVout( p_mi, p_e );
 167     if( !p_vout ) return 0;
 168
 169     width = p_vout->i_window_width;
 170
 171     vlc_object_release( p_vout );
 172
 173     return width;
 174 }
 175
 176 int libvlc_media_player_has_vout( libvlc_media_player_t *p_mi,
 177                                      libvlc_exception_t *p_e )
 178 {
 179     input_thread_t *p_input_thread = libvlc_get_input_thread(p_mi, p_e);
 180     bool has_vout = false;
 181
 182     if( p_input_thread )
 183     {
 184         vout_thread_t *p_vout;
 185
 186         p_vout = input_GetVout( p_input_thread );
 187         if( p_vout )
 188         {
 189             has_vout = true;
 190             vlc_object_release( p_vout );
 191         }
 192         vlc_object_release( p_input_thread );
 193     }
 194     return has_vout;
 195 }
 196
 197 float libvlc_video_get_scale( libvlc_media_player_t *p_mp,
 198                               libvlc_exception_t *p_e )
 199 {
 200     vout_thread_t *p_vout = GetVout( p_mp, p_e );
 201     if( !p_vout )
 202         return 0.;
 203
 204     float f_scale = var_GetFloat( p_vout, "scale" );
 205     if( var_GetBool( p_vout, "autoscale" ) )
 206         f_scale = 0.;
 207     vlc_object_release( p_vout );
 208     return f_scale;
 209 }
 210
 211 void libvlc_video_set_scale( libvlc_media_player_t *p_mp, float f_scale,
 212                              libvlc_exception_t *p_e )
 213 {
 214     vout_thread_t *p_vout = GetVout( p_mp, p_e );
 215     if( !p_vout )
 216         return;
 217
 218     if( f_scale != 0. )
 219         var_SetFloat( p_vout, "scale", f_scale );
 220     var_SetBool( p_vout, "autoscale", f_scale != 0. );
 221     vlc_object_release( p_vout );
 222 }
 223
 224 char *libvlc_video_get_aspect_ratio( libvlc_media_player_t *p_mi,
 225                                      libvlc_exception_t *p_e )
 226 {
 227     char *psz_aspect = NULL;
 228     vout_thread_t *p_vout = GetVout( p_mi, p_e );
 229
 230     if( !p_vout ) return NULL;
 231
 232     psz_aspect = var_GetNonEmptyString( p_vout, "aspect-ratio" );
 233     vlc_object_release( p_vout );
 234     return psz_aspect ? psz_aspect : strdup("");
 235 }
 236
 237 void libvlc_video_set_aspect_ratio( libvlc_media_player_t *p_mi,
 238                                     const char *psz_aspect, libvlc_exception_t *p_e )
 239 {
 240     vout_thread_t *p_vout = GetVout( p_mi, p_e );
 241     int i_ret = -1;
 242
 243     if( !p_vout ) return;
 244
 245     i_ret = var_SetString( p_vout, "aspect-ratio", psz_aspect );
 246     if( i_ret )
 247         libvlc_exception_raise( p_e,
 248                         "Unexpected error while setting aspect-ratio value" );
 249
 250     vlc_object_release( p_vout );
 251 }
 252
 253 int libvlc_video_get_spu( libvlc_media_player_t *p_mi,
 254                           libvlc_exception_t *p_e )
 255 {
 256     input_thread_t *p_input_thread = libvlc_get_input_thread( p_mi, p_e );
 257     vlc_value_t val_list;
 258     vlc_value_t val;
 259     int i_spu = -1;
 260     int i_ret = -1;
 261     int i;
 262
 263     if( !p_input_thread ) return -1;
 264
 265     i_ret = var_Get( p_input_thread, "spu-es", &val );
 266     if( i_ret < 0 )
 267     {
 268         libvlc_exception_raise( p_e, "Getting subtitle information failed" );
 269         vlc_object_release( p_input_thread );
 270         return i_ret;
 271     }
 272
 273     var_Change( p_input_thread, "spu-es", VLC_VAR_GETCHOICES, &val_list, NULL );
 274     for( i = 0; i < val_list.p_list->i_count; i++ )
 275     {
 276         if( val.i_int == val_list.p_list->p_values[i].i_int )
 277         {
 278             i_spu = i;
 279             break;
 280         }
 281     }
 282     var_FreeList( &val_list, NULL );
 283     vlc_object_release( p_input_thread );
 284     return i_spu;
 285 }
 286
 287 int libvlc_video_get_spu_count( libvlc_media_player_t *p_mi,
 288                                 libvlc_exception_t *p_e )
 289 {
 290     input_thread_t *p_input_thread = libvlc_get_input_thread( p_mi, p_e );
 291     int i_spu_count;
 292
 293     if( !p_input_thread )
 294         return -1;
 295
 296     i_spu_count = var_CountChoices( p_input_thread, "spu-es" );
 297
 298     vlc_object_release( p_input_thread );
 299     return i_spu_count;
 300 }
 301
 302 libvlc_track_description_t *
 303         libvlc_video_get_spu_description( libvlc_media_player_t *p_mi,
 304                                           libvlc_exception_t *p_e )
 305 {
 306     return libvlc_get_track_description( p_mi, "spu-es", p_e);
 307 }
 308
 309 void libvlc_video_set_spu( libvlc_media_player_t *p_mi, int i_spu,
 310                            libvlc_exception_t *p_e )
 311 {
 312     input_thread_t *p_input_thread = libvlc_get_input_thread( p_mi, p_e );
 313     vlc_value_t val_list;
 314     vlc_value_t newval;
 315     int i_ret = -1;
 316
 317     if( !p_input_thread ) return;
 318
 319     var_Change( p_input_thread, "spu-es", VLC_VAR_GETCHOICES, &val_list, NULL );
 320
 321     if( val_list.p_list->i_count == 0 )
 322     {
 323         libvlc_exception_raise( p_e, "Subtitle value out of range" );
 324         goto end;
 325     }
 326
 327     if( (i_spu < 0) || (i_spu > val_list.p_list->i_count) )
 328     {
 329         libvlc_exception_raise( p_e, "Subtitle value out of range" );
 330         goto end;
 331     }
 332
 333     newval = val_list.p_list->p_values[i_spu];
 334     i_ret = var_Set( p_input_thread, "spu-es", newval );
 335     if( i_ret < 0 )
 336     {
 337         libvlc_exception_raise( p_e, "Setting subtitle value failed" );
 338     }
 339
 340 end:
 341     var_FreeList( &val_list, NULL );
 342     vlc_object_release( p_input_thread );
 343 }
 344
 345 int libvlc_video_set_subtitle_file( libvlc_media_player_t *p_mi,
 346                                     const char *psz_subtitle,
 347                                     libvlc_exception_t *p_e )
 348 {
 349     input_thread_t *p_input_thread = libvlc_get_input_thread ( p_mi, p_e );
 350     bool b_ret = false;
 351
 352     if( p_input_thread )
 353     {
 354         if( !input_AddSubtitle( p_input_thread, psz_subtitle, true ) )
 355             b_ret = true;
 356         vlc_object_release( p_input_thread );
 357     }
 358     return b_ret;
 359 }
 360
 361 libvlc_track_description_t *
 362         libvlc_video_get_title_description( libvlc_media_player_t *p_mi,
 363                                             libvlc_exception_t * p_e )
 364 {
 365     return libvlc_get_track_description( p_mi, "title", p_e);
 366 }
 367
 368 libvlc_track_description_t *
 369         libvlc_video_get_chapter_description( libvlc_media_player_t *p_mi,
 370                                               int i_title,
 371                                               libvlc_exception_t *p_e )
 372 {
 373     char psz_title[12];
 374     sprintf( psz_title,  "title %2i", i_title );
 375     return libvlc_get_track_description( p_mi, psz_title, p_e);
 376 }
 377
 378 char *libvlc_video_get_crop_geometry( libvlc_media_player_t *p_mi,
 379                                    libvlc_exception_t *p_e )
 380 {
 381     char *psz_geometry = 0;
 382     vout_thread_t *p_vout = GetVout( p_mi, p_e );
 383
 384     if( !p_vout ) return 0;
 385
 386     psz_geometry = var_GetNonEmptyString( p_vout, "crop" );
 387     vlc_object_release( p_vout );
 388     return psz_geometry ? psz_geometry : strdup("");
 389 }
 390
 391 void libvlc_video_set_crop_geometry( libvlc_media_player_t *p_mi,
 392                                      const char *psz_geometry, libvlc_exception_t *p_e )
 393 {
 394     vout_thread_t *p_vout = GetVout( p_mi, p_e );
 395     int i_ret = -1;
 396
 397     if( !p_vout ) return;
 398
 399     i_ret = var_SetString( p_vout, "crop", psz_geometry );
 400     if( i_ret )
 401         libvlc_exception_raise( p_e,
 402                         "Unexpected error while setting crop geometry" );
 403
 404     vlc_object_release( p_vout );
 405 }
 406
 407 int libvlc_video_get_teletext( libvlc_media_player_t *p_mi,
 408                                libvlc_exception_t *p_e )
 409 {
 410     vout_thread_t *p_vout = GetVout( p_mi, p_e );
 411     vlc_object_t *p_vbi;
 412     int i_ret = -1;
 413
 414     if( !p_vout ) return i_ret;
 415
 416     p_vbi = (vlc_object_t *) vlc_object_find_name( p_vout, "zvbi",
 417                                                    FIND_CHILD );
 418     if( p_vbi )
 419     {
 420         i_ret = var_GetInteger( p_vbi, "vbi-page" );
 421         vlc_object_release( p_vbi );
 422     }
 423
 424     vlc_object_release( p_vout );
 425     return i_ret;
 426 }
 427
 428 void libvlc_video_set_teletext( libvlc_media_player_t *p_mi, int i_page,
 429                                 libvlc_exception_t *p_e )
 430 {
 431     vout_thread_t *p_vout = GetVout( p_mi, p_e );
 432     vlc_object_t *p_vbi;
 433     int i_ret = -1;
 434
 435     if( !p_vout ) return;
 436
 437     p_vbi = (vlc_object_t *) vlc_object_find_name( p_vout, "zvbi",
 438                                                    FIND_CHILD );
 439     if( p_vbi )
 440     {
 441         i_ret = var_SetInteger( p_vbi, "vbi-page", i_page );
 442         vlc_object_release( p_vbi );
 443         if( i_ret )
 444             libvlc_exception_raise( p_e,
 445                             "Unexpected error while setting teletext page" );
 446     }
 447     vlc_object_release( p_vout );
 448 }
 449
 450 void libvlc_toggle_teletext( libvlc_media_player_t *p_mi,
 451                              libvlc_exception_t *p_e )
 452 {
 453     input_thread_t *p_input_thread;
 454     vlc_object_t *p_vbi;
 455     int i_ret;
 456
 457     p_input_thread = libvlc_get_input_thread(p_mi, p_e);
 458     if( !p_input_thread ) return;
 459
 460     if( var_CountChoices( p_input_thread, "teletext-es" ) <= 0 )
 461     {
 462         vlc_object_release( p_input_thread );
 463         return;
 464     }
 465     const bool b_selected = var_GetInteger( p_input_thread, "teletext-es" ) >= 0;
 466
 467     p_vbi = (vlc_object_t *)vlc_object_find_name( p_input_thread, "zvbi",
 468                                                   FIND_CHILD );
 469     if( p_vbi )
 470     {
 471         if( b_selected )
 472         {
 473             /* FIXME Gni, why that ? */
 474             i_ret = var_SetInteger( p_vbi, "vbi-page",
 475                                     var_GetInteger( p_vbi, "vbi-page" ) );
 476             if( i_ret )
 477                 libvlc_exception_raise( p_e,
 478                                 "Unexpected error while setting teletext page" );
 479         }
 480         else
 481         {
 482             /* FIXME Gni^2 */
 483             i_ret = var_SetBool( p_vbi, "vbi-opaque",
 484                                  !var_GetBool( p_vbi, "vbi-opaque" ) );
 485             if( i_ret )
 486                 libvlc_exception_raise( p_e,
 487                                 "Unexpected error while setting teletext transparency" );
 488         }
 489         vlc_object_release( p_vbi );
 490     }
 491     else if( b_selected )
 492     {
 493         var_SetInteger( p_input_thread, "spu-es", -1 );
 494     }
 495     else
 496     {
 497         vlc_value_t list;
 498         if( !var_Change( p_input_thread, "teletext-es", VLC_VAR_GETLIST, &list, NULL ) )
 499         {
 500             if( list.p_list->i_count > 0 )
 501                 var_SetInteger( p_input_thread, "spu-es", list.p_list->p_values[0].i_int );
 502
 503             var_FreeList( &list, NULL );
 504         }
 505     }
 506     vlc_object_release( p_input_thread );
 507 }
 508
 509 int libvlc_video_get_track_count( libvlc_media_player_t *p_mi,
 510                                   libvlc_exception_t *p_e )
 511 {
 512     input_thread_t *p_input_thread = libvlc_get_input_thread( p_mi, p_e );
 513     int i_track_count;
 514
 515     if( !p_input_thread )
 516         return -1;
 517
 518     i_track_count = var_CountChoices( p_input_thread, "video-es" );
 519
 520     vlc_object_release( p_input_thread );
 521     return i_track_count;
 522 }
 523
 524 libvlc_track_description_t *
 525         libvlc_video_get_track_description( libvlc_media_player_t *p_mi,
 526                                             libvlc_exception_t *p_e )
 527 {
 528     return libvlc_get_track_description( p_mi, "video-es", p_e);
 529 }
 530
 531 int libvlc_video_get_track( libvlc_media_player_t *p_mi,
 532                             libvlc_exception_t *p_e )
 533 {
 534     input_thread_t *p_input_thread = libvlc_get_input_thread( p_mi, p_e );
 535     vlc_value_t val_list;
 536     vlc_value_t val;
 537     int i_track = -1;
 538     int i_ret = -1;
 539     int i;
 540
 541     if( !p_input_thread )
 542         return -1;
 543
 544     i_ret = var_Get( p_input_thread, "video-es", &val );
 545     if( i_ret < 0 )
 546     {
 547         libvlc_exception_raise( p_e, "Getting Video track information failed" );
 548         vlc_object_release( p_input_thread );
 549         return i_ret;
 550     }
 551
 552     var_Change( p_input_thread, "video-es", VLC_VAR_GETCHOICES, &val_list, NULL );
 553     for( i = 0; i < val_list.p_list->i_count; i++ )
 554     {
 555         if( val_list.p_list->p_values[i].i_int == val.i_int )
 556         {
 557             i_track = i;
 558             break;
 559         }
 560     }
 561     var_FreeList( &val_list, NULL );
 562     vlc_object_release( p_input_thread );
 563     return i_track;
 564 }
 565
 566 void libvlc_video_set_track( libvlc_media_player_t *p_mi, int i_track,
 567                              libvlc_exception_t *p_e )
 568 {
 569     input_thread_t *p_input_thread = libvlc_get_input_thread( p_mi, p_e );
 570     vlc_value_t val_list;
 571     int i_ret = -1;
 572     int i;
 573
 574     if( !p_input_thread )
 575         return;
 576
 577     var_Change( p_input_thread, "video-es", VLC_VAR_GETCHOICES, &val_list, NULL );
 578     for( i = 0; i < val_list.p_list->i_count; i++ )
 579     {
 580         vlc_value_t val = val_list.p_list->p_values[i];
 581         if( i_track == val.i_int )
 582         {
 583             i_ret = var_Set( p_input_thread, "video-es", val );
 584             if( i_ret < 0 )
 585                 libvlc_exception_raise( p_e, "Setting video track failed" );
 586             goto end;
 587         }
 588     }
 589     libvlc_exception_raise( p_e, "Video track out of range" );
 590
 591 end:
 592     var_FreeList( &val_list, NULL );
 593     vlc_object_release( p_input_thread );
 594 }
 595
 596 /******************************************************************************
 597  * libvlc_video_set_deinterlace : enable deinterlace
 598  *****************************************************************************/
 599 void libvlc_video_set_deinterlace( libvlc_media_player_t *p_mi, int b_enable,
 600                                    const char *psz_mode,
 601                                    libvlc_exception_t *p_e )
 602 {
 603     vout_thread_t *p_vout = GetVout( p_mi, p_e );
 604
 605     if( !p_vout )
 606     {
 607         libvlc_exception_raise( p_e, "Unable to get video output" );
 608         return;
 609     }
 610
 611     if( b_enable )
 612     {
 613         /* be sure that the filter name given is supported */
 614         if( !strcmp(psz_mode, "blend")   || !strcmp(psz_mode, "bob")
 615          || !strcmp(psz_mode, "discard") || !strcmp(psz_mode, "linear")
 616          || !strcmp(psz_mode, "mean")    || !strcmp(psz_mode, "x") )
 617         {
 618             /* set deinterlace filter chosen */
 619             var_SetString( p_vout, "deinterlace", psz_mode );
 620         }
 621         else
 622         {
 623             libvlc_exception_raise( p_e, "Unsuported or bad deinterlace filter name" );
 624         }
 625     }
 626     else
 627     {
 628         /* disable deinterlace filter */
 629         var_SetString( p_vout, "deinterlace", "" );
 630     }
 631
 632     vlc_object_release( p_vout );
 633 }
 634
 635 /*****************************************************************************
 636  * Marquee: FIXME: That implementation has no persistent state and requires
 637  * a vout
 638  *****************************************************************************/
 639
 640 static const char *get_marquee_int_option_identifier(unsigned option)
 641 {
 642     static const char tab[][16] =
 643     {
 644         "marq",
 645         "marq-color",
 646         "marq-opacity",
 647         "marq-position",
 648         "marq-refresh",
 649         "marq-size",
 650         "marq-timeout",
 651         "marq-x",
 652         "marq-y",
 653     };
 654     if( option >= sizeof( tab ) / sizeof( tab[0] ) )
 655         return NULL;
 656     return tab[option];
 657 }
 658
 659 static const char *get_marquee_string_option_identifier(unsigned option)
 660 {
 661     static const char tab[][16] =
 662     {
 663         "marq-marquee",
 664     };
 665     if( option >= sizeof( tab ) / sizeof( tab[0] ) )
 666         return NULL;
 667     return tab[option];
 668 }
 669
 670
 671 static vlc_object_t *get_marquee_object( libvlc_media_player_t * p_mi )
 672 {
 673     libvlc_exception_t e;
 674     libvlc_exception_init(&e);
 675     vout_thread_t * vout = GetVout( p_mi, &e );
 676     libvlc_exception_clear(&e);
 677     if( !vout )
 678         return NULL;
 679     vlc_object_t * object = vlc_object_find_name( vout, "marq", FIND_CHILD );
 680     vlc_object_release(vout);
 681     return object;
 682 }
 683
 684 /*****************************************************************************
 685  * libvlc_video_get_marquee_option_as_int : get a marq option value
 686  *****************************************************************************/
 687 int libvlc_video_get_marquee_option_as_int( libvlc_media_player_t *p_mi,
 688                                             libvlc_video_marquee_int_option_t option,
 689                                             libvlc_exception_t *p_e )
 690 {
 691     const char * identifier = get_marquee_int_option_identifier(option);
 692     if(!identifier)
 693     {
 694         libvlc_exception_raise( p_e, "This option is not available" );
 695         return 0;
 696     }
 697     vlc_object_t * marquee = get_marquee_object(p_mi);
 698
 699     /* Handle the libvlc_marquee_Enabled separately */
 700     if(option == libvlc_marquee_Enabled)
 701     {
 702         bool isEnabled = marquee != NULL;
 703         vlc_object_release(marquee);
 704         return isEnabled;
 705     }
 706
 707     /* Generic case */
 708     if(!identifier)
 709     {
 710         libvlc_exception_raise( p_e, "Marquee is not enabled" );
 711         return 0;
 712     }
 713     int ret = var_GetInteger(marquee, identifier);
 714     vlc_object_release(marquee);
 715     return ret;
 716 }
 717
 718 /*****************************************************************************
 719  * libvlc_video_get_marquee_option_as_string : get a marq option value
 720  *****************************************************************************/
 721 char * libvlc_video_get_marquee_option_as_string( libvlc_media_player_t *p_mi,
 722                                                   libvlc_video_marquee_string_option_t option,
 723                                                   libvlc_exception_t *p_e )
 724 {
 725     const char * identifier = get_marquee_string_option_identifier(option);
 726     if(!identifier)
 727     {
 728         libvlc_exception_raise( p_e, "This option is not available" );
 729         return 0;
 730     }
 731
 732     vlc_object_t * marquee = get_marquee_object(p_mi);
 733     if(!marquee)
 734     {
 735         libvlc_exception_raise( p_e, "Marquee is not enabled" );
 736         return 0;
 737     }
 738     char *ret = var_GetString(marquee, identifier);
 739     vlc_object_release(marquee);
 740     return ret;
 741 }
 742
 743 /*****************************************************************************
 744  * libvlc_video_set_marquee_option_as_int: enable, disable or set an int option
 745  *****************************************************************************/
 746 void libvlc_video_set_marquee_option_as_int( libvlc_media_player_t *p_mi,
 747                                           libvlc_video_marquee_int_option_t option,
 748                                           int value, libvlc_exception_t *p_e )
 749 {
 750     const char * identifier = get_marquee_int_option_identifier(option);
 751     if(!identifier)
 752     {
 753         libvlc_exception_raise( p_e, "This option is not available" );
 754         return;
 755     }
 756
 757     /* Handle the libvlc_marquee_Enabled separately */
 758     if(option == libvlc_marquee_Enabled)
 759     {
 760         libvlc_exception_t e;
 761         libvlc_exception_init(&e);
 762         vout_thread_t * vout = GetVout( p_mi, &e );
 763         libvlc_exception_clear(&e);
 764         if (vout)
 765         {
 766             vout_EnableFilter(vout, identifier, value, false);
 767             vlc_object_release(vout);
 768         }
 769         else
 770         {
 771             libvlc_exception_raise( p_e, "No Vout" );
 772         }
 773         return;
 774     }
 775
 776     vlc_object_t * marquee = get_marquee_object(p_mi);
 777     if(!marquee)
 778     {
 779         libvlc_exception_raise( p_e, "Marquee is not enabled" );
 780         return;
 781     }
 782     var_SetInteger(marquee, identifier, value);
 783     vlc_object_release(marquee);
 784 }
 785
 786 /*****************************************************************************
 787  * libvlc_video_set_marquee_option_as_string: set a string option
 788  *****************************************************************************/
 789 void libvlc_video_set_marquee_option_as_string( libvlc_media_player_t *p_mi,
 790                                              libvlc_video_marquee_string_option_t option,
 791                                              const char * value,
 792                                              libvlc_exception_t *p_e )
 793 {
 794     const char * identifier = get_marquee_string_option_identifier(option);
 795     if(!identifier)
 796     {
 797         libvlc_exception_raise( p_e, "This option is not available" );
 798         return;
 799     }
 800     vlc_object_t * marquee = get_marquee_object(p_mi);
 801     if(!marquee)
 802     {
 803         libvlc_exception_raise( p_e, "Marquee is not enabled" );
 804         return;
 805     }
 806     var_SetString(marquee, identifier, value);
 807     vlc_object_release(marquee);
 808 }