src/control/video.c: Replace vlc_object_find with input_GetVout()
[vlc.git] / 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: ClĂ©ment 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 #include "libvlc_internal.h"
29
30 #include <vlc/libvlc.h>
31 #include <vlc_input.h>
32 #include <vlc_vout.h>
33
34 /*
35  * Remember to release the returned vout_thread_t.
36  */
37 static vout_thread_t *GetVout( libvlc_media_player_t *p_mi,
38                                libvlc_exception_t *p_exception )
39 {
40     input_thread_t *p_input_thread = libvlc_get_input_thread( p_mi, p_exception );
41     vout_thread_t *p_vout = NULL;
42
43     if( p_input_thread )
44     {
45         p_vout = input_GetVout( p_input_thread );
46         if( !p_vout )
47         {
48             libvlc_exception_raise( p_exception, "No active video output" );
49         }
50         vlc_object_release( p_input_thread );
51     }
52     return p_vout;
53 }
54
55 /**********************************************************************
56  * Exported functions
57  **********************************************************************/
58
59 void libvlc_set_fullscreen( libvlc_media_player_t *p_mi, int b_fullscreen,
60                             libvlc_exception_t *p_e )
61 {
62     /* We only work on the first vout */
63     vout_thread_t *p_vout = GetVout( p_mi, p_e );
64
65     /* GetVout will raise the exception for us */
66     if( !p_vout ) return;
67
68     var_SetBool( p_vout, "fullscreen", b_fullscreen );
69
70     vlc_object_release( p_vout );
71 }
72
73 int libvlc_get_fullscreen( libvlc_media_player_t *p_mi,
74                             libvlc_exception_t *p_e )
75 {
76     /* We only work on the first vout */
77     vout_thread_t *p_vout = GetVout( p_mi, p_e );
78     int i_ret;
79
80     /* GetVout will raise the exception for us */
81     if( !p_vout ) return 0;
82
83     i_ret = var_GetBool( p_vout, "fullscreen" );
84
85     vlc_object_release( p_vout );
86
87     return i_ret;
88 }
89
90 void libvlc_toggle_fullscreen( libvlc_media_player_t *p_mi,
91                                libvlc_exception_t *p_e )
92 {
93     /* We only work on the first vout */
94     vout_thread_t *p_vout = GetVout( p_mi, p_e );
95     bool ret;
96
97     /* GetVout will raise the exception for us */
98     if( !p_vout ) return;
99
100     ret = var_GetBool( p_vout, "fullscreen" );
101     var_SetBool( p_vout, "fullscreen", !ret );
102
103     vlc_object_release( p_vout );
104 }
105
106 void
107 libvlc_video_take_snapshot( libvlc_media_player_t *p_mi, const char *psz_filepath,
108         unsigned int i_width, unsigned int i_height, libvlc_exception_t *p_e )
109 {
110     vout_thread_t *p_vout = GetVout( p_mi, p_e );
111     input_thread_t *p_input_thread;
112
113     /* GetVout will raise the exception for us */
114     if( !p_vout ) return;
115
116     if( !psz_filepath )
117     {
118         libvlc_exception_raise( p_e, "filepath is null" );
119         return;
120     }
121
122     var_SetInteger( p_vout, "snapshot-width", i_width );
123     var_SetInteger( p_vout, "snapshot-height", i_height );
124
125     p_input_thread = p_mi->p_input_thread;
126     if( !p_mi->p_input_thread )
127     {
128         libvlc_exception_raise( p_e, "Input does not exist" );
129         return;
130     }
131
132     var_SetString( p_vout, "snapshot-path", psz_filepath );
133     var_SetString( p_vout, "snapshot-format", "png" );
134
135     var_TriggerCallback( p_vout, "video-snapshot" );
136     vlc_object_release( p_vout );
137 }
138
139 int libvlc_video_get_height( libvlc_media_player_t *p_mi,
140                              libvlc_exception_t *p_e )
141 {
142     int height;
143
144     vout_thread_t *p_vout = GetVout( p_mi, p_e );
145     if( !p_vout ) return 0;
146
147     height = p_vout->i_window_height;
148
149     vlc_object_release( p_vout );
150
151     return height;
152 }
153
154 int libvlc_video_get_width( libvlc_media_player_t *p_mi,
155                             libvlc_exception_t *p_e )
156 {
157     int width;
158
159     vout_thread_t *p_vout = GetVout( p_mi, p_e );
160     if( !p_vout ) return 0;
161
162     width = p_vout->i_window_width;
163
164     vlc_object_release( p_vout );
165
166     return width;
167 }
168
169 int libvlc_media_player_has_vout( libvlc_media_player_t *p_mi,
170                                      libvlc_exception_t *p_e )
171 {
172     input_thread_t *p_input_thread = libvlc_get_input_thread(p_mi, p_e);
173     bool has_vout = false;
174
175     if( p_input_thread )
176     {
177         vout_thread_t *p_vout;
178
179         p_vout = input_GetVout( p_input_thread );
180         if( p_vout )
181         {
182             has_vout = true;
183             vlc_object_release( p_vout );
184         }
185         vlc_object_release( p_input_thread );
186     }
187     return has_vout;
188 }
189
190 int libvlc_video_reparent( libvlc_media_player_t *p_mi, libvlc_drawable_t d,
191                            libvlc_exception_t *p_e )
192 {
193     (void) p_mi; (void) d;
194     libvlc_exception_raise(p_e, "Reparenting not supported");
195     return -1;
196 }
197
198 void libvlc_video_resize( libvlc_media_player_t *p_mi, int width, int height, libvlc_exception_t *p_e )
199 {
200     vout_thread_t *p_vout = GetVout( p_mi, p_e );
201     if( p_vout )
202     {
203         vout_Control( p_vout, VOUT_SET_SIZE, width, height );
204         vlc_object_release( p_vout );
205     }
206 }
207
208 void libvlc_video_redraw_rectangle( libvlc_media_player_t *p_mi,
209                            const libvlc_rectangle_t *area,
210                            libvlc_exception_t *p_e )
211 {
212 #ifdef __APPLE__
213     if( (NULL != area)
214      && ((area->bottom - area->top) > 0)
215      && ((area->right - area->left) > 0) )
216     {
217         vout_thread_t *p_vout = GetVout( p_mi, p_e );
218         if( p_vout )
219         {
220             /* tell running vout to redraw area */
221             vout_Control( p_vout , VOUT_REDRAW_RECT,
222                                area->top, area->left, area->bottom, area->right );
223             vlc_object_release( p_vout );
224         }
225     }
226 #else
227     (void) p_mi; (void) area; (void) p_e;
228 #endif
229 }
230
231 /* global video settings */
232
233 /* Deprecated use libvlc_media_player_set_drawable() */
234 void libvlc_video_set_parent( libvlc_instance_t *p_instance, libvlc_drawable_t d,
235                               libvlc_exception_t *p_e )
236 {
237     /* set as default for future vout instances */
238 #ifdef WIN32
239     vlc_value_t val;
240
241     if( sizeof(HWND) > sizeof(libvlc_drawable_t) )
242         return; /* BOOM! we told you not to use this function! */
243     val.p_address = (void *)(uintptr_t)d;
244     var_Set( p_instance->p_libvlc_int, "drawable-hwnd", val );
245 #elif defined(__APPLE__)
246     var_SetInteger( p_instance->p_libvlc_int, "drawable-agl", d );
247 #else
248     var_SetInteger( p_instance->p_libvlc_int, "drawable-xid", d );
249 #endif
250
251     libvlc_media_player_t *p_mi = libvlc_playlist_get_media_player(p_instance, p_e);
252     if( p_mi )
253     {
254         libvlc_media_player_set_drawable( p_mi, d, p_e );
255         libvlc_media_player_release(p_mi);
256     }
257 }
258
259 /* Deprecated use libvlc_media_player_get_drawable() */
260 libvlc_drawable_t libvlc_video_get_parent( libvlc_instance_t *p_instance, libvlc_exception_t *p_e )
261 {
262     VLC_UNUSED(p_e);
263
264 #ifdef WIN32
265     vlc_value_t val;
266
267     if( sizeof(HWND) > sizeof(libvlc_drawable_t) )
268         return 0;
269     var_Get( p_instance->p_libvlc_int, "drawable-hwnd", &val );
270     return (uintptr_t)val.p_address;
271 #elif defined(__APPLE__)
272     return var_GetInteger( p_instance->p_libvlc_int, "drawable-agl" );
273 #else
274     return var_GetInteger( p_instance->p_libvlc_int, "drawable-xid" );
275 #endif
276 }
277
278 void libvlc_video_set_size( libvlc_instance_t *p_instance, int width, int height,
279                            libvlc_exception_t *p_e )
280 {
281     /* set as default for future vout instances */
282     config_PutInt(p_instance->p_libvlc_int, "width", width);
283     config_PutInt(p_instance->p_libvlc_int, "height", height);
284
285     libvlc_media_player_t *p_mi = libvlc_playlist_get_media_player(p_instance, p_e);
286     if( p_mi )
287     {
288         vout_thread_t *p_vout = GetVout( p_mi, p_e );
289         if( p_vout )
290         {
291             /* tell running vout to re-size */
292             vout_Control( p_vout , VOUT_SET_SIZE, width, height);
293             vlc_object_release( p_vout );
294         }
295         libvlc_media_player_release(p_mi);
296     }
297 }
298
299 void libvlc_video_set_viewport( libvlc_instance_t *p_instance, libvlc_media_player_t *p_mi,
300                             const libvlc_rectangle_t *view, const libvlc_rectangle_t *clip,
301                            libvlc_exception_t *p_e )
302 {
303 #ifdef __APPLE__
304     if( !view )
305     {
306         libvlc_exception_raise( p_e, "viewport is NULL" );
307         return;
308     }
309
310     /* if clip is NULL, then use view rectangle as clip */
311     if( !clip )
312         clip = view;
313
314     /* set as default for future vout instances */
315     var_SetInteger( p_instance->p_libvlc_int, "drawable-view-top", view->top );
316     var_SetInteger( p_instance->p_libvlc_int, "drawable-view-left", view->left );
317     var_SetInteger( p_instance->p_libvlc_int, "drawable-view-bottom", view->bottom );
318     var_SetInteger( p_instance->p_libvlc_int, "drawable-view-right", view->right );
319     var_SetInteger( p_instance->p_libvlc_int, "drawable-clip-top", clip->top );
320     var_SetInteger( p_instance->p_libvlc_int, "drawable-clip-left", clip->left );
321     var_SetInteger( p_instance->p_libvlc_int, "drawable-clip-bottom", clip->bottom );
322     var_SetInteger( p_instance->p_libvlc_int, "drawable-clip-right", clip->right );
323
324     if( p_mi )
325     {
326         vout_thread_t *p_vout = GetVout( p_mi, p_e );
327         if( p_vout )
328         {
329             /* change viewport for running vout */
330             vout_Control( p_vout, VOUT_SET_VIEWPORT,
331                                view->top, view->left, view->bottom, view->right,
332                                clip->top, clip->left, clip->bottom, clip->right );
333             vlc_object_release( p_vout );
334         }
335     }
336 #else
337     (void) p_instance; (void) view; (void) clip; (void) p_e;
338 #endif
339 }
340
341 char *libvlc_video_get_aspect_ratio( libvlc_media_player_t *p_mi,
342                                      libvlc_exception_t *p_e )
343 {
344     char *psz_aspect = 0;
345     vout_thread_t *p_vout = GetVout( p_mi, p_e );
346
347     if( !p_vout ) return 0;
348
349     psz_aspect = var_GetNonEmptyString( p_vout, "aspect-ratio" );
350     vlc_object_release( p_vout );
351     return psz_aspect ? psz_aspect : strdup("");
352 }
353
354 void libvlc_video_set_aspect_ratio( libvlc_media_player_t *p_mi,
355                                     char *psz_aspect, libvlc_exception_t *p_e )
356 {
357     vout_thread_t *p_vout = GetVout( p_mi, p_e );
358     int i_ret = -1;
359
360     if( !p_vout ) return;
361
362     i_ret = var_SetString( p_vout, "aspect-ratio", psz_aspect );
363     if( i_ret )
364         libvlc_exception_raise( p_e,
365                         "Unexpected error while setting aspect-ratio value" );
366
367     vlc_object_release( p_vout );
368 }
369
370 int libvlc_video_get_spu( libvlc_media_player_t *p_mi,
371                           libvlc_exception_t *p_e )
372 {
373     input_thread_t *p_input_thread = libvlc_get_input_thread( p_mi, p_e );
374     vlc_value_t val_list;
375     vlc_value_t val;
376     int i_spu = -1;
377     int i_ret = -1;
378     int i;
379
380     if( !p_input_thread ) return -1;
381
382     i_ret = var_Get( p_input_thread, "spu-es", &val );
383     if( i_ret < 0 )
384     {
385         libvlc_exception_raise( p_e, "Getting subtitle information failed" );
386         vlc_object_release( p_input_thread );
387         return i_ret;
388     }
389
390     var_Change( p_input_thread, "spu-es", VLC_VAR_GETCHOICES, &val_list, NULL );
391     for( i = 0; i < val_list.p_list->i_count; i++ )
392     {
393         vlc_value_t spu_val = val_list.p_list->p_values[i];
394         if( val.i_int == spu_val.i_int )
395         {
396             i_spu = i;
397             break;
398         }
399     }
400     vlc_object_release( p_input_thread );
401     return i_spu;
402 }
403
404 int libvlc_video_get_spu_count( libvlc_media_player_t *p_mi,
405                                 libvlc_exception_t *p_e )
406 {
407     input_thread_t *p_input_thread = libvlc_get_input_thread( p_mi, p_e );
408     vlc_value_t val_list;
409
410     if( !p_input_thread )
411         return -1;
412
413     var_Change( p_input_thread, "spu-es", VLC_VAR_GETCHOICES, &val_list, NULL );
414     vlc_object_release( p_input_thread );
415     return val_list.p_list->i_count;
416 }
417
418 libvlc_track_description_t *
419         libvlc_video_get_spu_description( libvlc_media_player_t *p_mi,
420                                           libvlc_exception_t *p_e )
421 {
422     return libvlc_get_track_description( p_mi, "spu-es", p_e);
423 }
424
425 void libvlc_video_set_spu( libvlc_media_player_t *p_mi, int i_spu,
426                            libvlc_exception_t *p_e )
427 {
428     input_thread_t *p_input_thread = libvlc_get_input_thread( p_mi, p_e );
429     vlc_value_t val_list;
430     vlc_value_t newval;
431     int i_ret = -1;
432
433     if( !p_input_thread ) return;
434
435     var_Change( p_input_thread, "spu-es", VLC_VAR_GETCHOICES, &val_list, NULL );
436
437     if( val_list.p_list->i_count == 0 )
438     {
439         libvlc_exception_raise( p_e, "Subtitle value out of range" );
440         vlc_object_release( p_input_thread );
441         return;
442     }
443
444     if( (i_spu < 0) && (i_spu > val_list.p_list->i_count) )
445     {
446         libvlc_exception_raise( p_e, "Subtitle value out of range" );
447         vlc_object_release( p_input_thread );
448         return;
449     }
450
451     newval = val_list.p_list->p_values[i_spu];
452     i_ret = var_Set( p_input_thread, "spu-es", newval );
453     if( i_ret < 0 )
454     {
455         libvlc_exception_raise( p_e, "Setting subtitle value failed" );
456     }
457     vlc_object_release( p_input_thread );
458 }
459
460 int libvlc_video_set_subtitle_file( libvlc_media_player_t *p_mi,
461                                     char *psz_subtitle,
462                                     libvlc_exception_t *p_e )
463 {
464     input_thread_t *p_input_thread = libvlc_get_input_thread ( p_mi, p_e );
465     bool b_ret = false;
466
467     if( p_input_thread )
468     {
469         if( !input_AddSubtitle( p_input_thread, psz_subtitle, true ) )
470             b_ret = true;
471         vlc_object_release( p_input_thread );
472     }
473     return b_ret;
474 }
475
476 libvlc_track_description_t *
477         libvlc_video_get_title_description( libvlc_media_player_t *p_mi,
478                                             libvlc_exception_t * p_e )
479 {
480     return libvlc_get_track_description( p_mi, "title", p_e);
481 }
482
483 libvlc_track_description_t *
484         libvlc_video_get_chapter_description( libvlc_media_player_t *p_mi,
485                                               int i_title,
486                                               libvlc_exception_t *p_e )
487 {
488     char psz_title[12];
489     sprintf( psz_title,  "title %2i", i_title );
490     return libvlc_get_track_description( p_mi, psz_title, p_e);
491 }
492
493 char *libvlc_video_get_crop_geometry( libvlc_media_player_t *p_mi,
494                                    libvlc_exception_t *p_e )
495 {
496     char *psz_geometry = 0;
497     vout_thread_t *p_vout = GetVout( p_mi, p_e );
498
499     if( !p_vout ) return 0;
500
501     psz_geometry = var_GetNonEmptyString( p_vout, "crop" );
502     vlc_object_release( p_vout );
503     return psz_geometry ? psz_geometry : strdup("");
504 }
505
506 void libvlc_video_set_crop_geometry( libvlc_media_player_t *p_mi,
507                                     char *psz_geometry, libvlc_exception_t *p_e )
508 {
509     vout_thread_t *p_vout = GetVout( p_mi, p_e );
510     int i_ret = -1;
511
512     if( !p_vout ) return;
513
514     i_ret = var_SetString( p_vout, "crop", psz_geometry );
515     if( i_ret )
516         libvlc_exception_raise( p_e,
517                         "Unexpected error while setting crop geometry" );
518
519     vlc_object_release( p_vout );
520 }
521
522 int libvlc_video_get_teletext( libvlc_media_player_t *p_mi,
523                                libvlc_exception_t *p_e )
524 {
525     vout_thread_t *p_vout = GetVout( p_mi, p_e );
526     vlc_object_t *p_vbi;
527     int i_ret = -1;
528
529     if( !p_vout ) return i_ret;
530
531     p_vbi = (vlc_object_t *) vlc_object_find_name( p_vout, "zvbi",
532                                                    FIND_CHILD );
533     if( p_vbi )
534     {
535         i_ret = var_GetInteger( p_vbi, "vbi-page" );
536         vlc_object_release( p_vbi );
537     }
538
539     vlc_object_release( p_vout );
540     return i_ret;
541 }
542
543 void libvlc_video_set_teletext( libvlc_media_player_t *p_mi, int i_page,
544                                 libvlc_exception_t *p_e )
545 {
546     vout_thread_t *p_vout = GetVout( p_mi, p_e );
547     vlc_object_t *p_vbi;
548     int i_ret = -1;
549
550     if( !p_vout ) return;
551
552     p_vbi = (vlc_object_t *) vlc_object_find_name( p_vout, "zvbi",
553                                                    FIND_CHILD );
554     if( p_vbi )
555     {
556         i_ret = var_SetInteger( p_vbi, "vbi-page", i_page );
557         vlc_object_release( p_vbi );
558         if( i_ret )
559             libvlc_exception_raise( p_e,
560                             "Unexpected error while setting teletext page" );
561     }
562     vlc_object_release( p_vout );
563 }
564
565 void libvlc_toggle_teletext( libvlc_media_player_t *p_mi,
566                              libvlc_exception_t *p_e )
567 {
568     input_thread_t *p_input_thread;
569     vlc_object_t *p_vbi;
570     int i_ret;
571
572     p_input_thread = libvlc_get_input_thread(p_mi, p_e);
573     if( !p_input_thread ) return;
574
575     if( var_CountChoices( p_input_thread, "teletext-es" ) <= 0 )
576     {
577         vlc_object_release( p_input_thread );
578         return;
579     }
580     const bool b_selected = var_GetInteger( p_input_thread, "teletext-es" ) >= 0;
581
582     p_vbi = (vlc_object_t *)vlc_object_find_name( p_input_thread, "zvbi",
583                                                   FIND_CHILD );
584     if( p_vbi )
585     {
586         if( b_selected )
587         {
588             /* FIXME Gni, why that ? */
589             i_ret = var_SetInteger( p_vbi, "vbi-page",
590                                     var_GetInteger( p_vbi, "vbi-page" ) );
591             if( i_ret )
592                 libvlc_exception_raise( p_e,
593                                 "Unexpected error while setting teletext page" );
594         }
595         else
596         {
597             /* FIXME Gni^2 */
598             i_ret = var_SetBool( p_vbi, "vbi-opaque",
599                                  !var_GetBool( p_vbi, "vbi-opaque" ) );
600             if( i_ret )
601                 libvlc_exception_raise( p_e,
602                                 "Unexpected error while setting teletext transparency" );
603         }
604         vlc_object_release( p_vbi );
605     }
606     else if( b_selected )
607     {
608         var_SetInteger( p_input_thread, "spu-es", -1 );
609     }
610     else
611     {
612         vlc_value_t list;
613         if( !var_Change( p_input_thread, "teletext-es", VLC_VAR_GETLIST, &list, NULL ) )
614         {
615             if( list.p_list->i_count > 0 )
616                 var_SetInteger( p_input_thread, "spu-es", list.p_list->p_values[0].i_int );
617
618             var_Change( p_input_thread, "teletext-es", VLC_VAR_FREELIST, &list, NULL );
619         }
620     }
621     vlc_object_release( p_input_thread );
622 }
623
624 int libvlc_video_get_track_count( libvlc_media_player_t *p_mi,
625                                   libvlc_exception_t *p_e )
626 {
627     input_thread_t *p_input_thread = libvlc_get_input_thread( p_mi, p_e );
628     vlc_value_t val_list;
629
630     if( !p_input_thread )
631         return -1;
632
633     var_Change( p_input_thread, "video-es", VLC_VAR_GETCHOICES, &val_list, NULL );
634     vlc_object_release( p_input_thread );
635     return val_list.p_list->i_count;
636 }
637
638 libvlc_track_description_t *
639         libvlc_video_get_track_description( libvlc_media_player_t *p_mi,
640                                             libvlc_exception_t *p_e )
641 {
642     return libvlc_get_track_description( p_mi, "video-es", p_e);
643 }
644
645 int libvlc_video_get_track( libvlc_media_player_t *p_mi,
646                             libvlc_exception_t *p_e )
647 {
648     input_thread_t *p_input_thread = libvlc_get_input_thread( p_mi, p_e );
649     vlc_value_t val_list;
650     vlc_value_t val;
651     int i_track = -1;
652     int i_ret = -1;
653     int i;
654
655     if( !p_input_thread )
656         return -1;
657
658     i_ret = var_Get( p_input_thread, "video-es", &val );
659     if( i_ret < 0 )
660     {
661         libvlc_exception_raise( p_e, "Getting Video track information failed" );
662         vlc_object_release( p_input_thread );
663         return i_ret;
664     }
665
666     var_Change( p_input_thread, "video-es", VLC_VAR_GETCHOICES, &val_list, NULL );
667     for( i = 0; i < val_list.p_list->i_count; i++ )
668     {
669         vlc_value_t track_val = val_list.p_list->p_values[i];
670         if( track_val.i_int == val.i_int )
671         {
672             i_track = i;
673             break;
674        }
675     }
676     vlc_object_release( p_input_thread );
677     return i_track;
678 }
679
680 void libvlc_video_set_track( libvlc_media_player_t *p_mi, int i_track,
681                              libvlc_exception_t *p_e )
682 {
683     input_thread_t *p_input_thread = libvlc_get_input_thread( p_mi, p_e );
684     vlc_value_t val_list;
685     int i_ret = -1;
686     int i;
687
688     if( !p_input_thread )
689         return;
690
691     var_Change( p_input_thread, "video-es", VLC_VAR_GETCHOICES, &val_list, NULL );
692     for( i = 0; i < val_list.p_list->i_count; i++ )
693     {
694         vlc_value_t val = val_list.p_list->p_values[i];
695         if( i_track == val.i_int )
696         {
697             i_ret = var_Set( p_input_thread, "audio-es", val );
698             if( i_ret < 0 )
699                 libvlc_exception_raise( p_e, "Setting video track failed" );
700             vlc_object_release( p_input_thread );
701             return;
702         }
703     }
704     libvlc_exception_raise( p_e, "Video track out of range" );
705     vlc_object_release( p_input_thread );
706 }
707
708 int libvlc_video_destroy( libvlc_media_player_t *p_mi,
709                           libvlc_exception_t *p_e )
710 {
711     vout_thread_t *p_vout = GetVout( p_mi, p_e );
712     vlc_object_detach( p_vout );
713     vlc_object_release( p_vout );
714     vlc_object_release( p_vout );
715
716     return 0;
717 }