1 /*****************************************************************************
2 * video.c: libvlc new API video functions
3 *****************************************************************************
4 * Copyright (C) 2005 the VideoLAN team
8 * Authors: Cl�ent 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>
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.
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.
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 *****************************************************************************/
28 #include "libvlc_internal.h"
30 #include <vlc/libvlc.h>
31 #include <vlc_input.h>
35 * Remember to release the returned vout_thread_t.
37 static vout_thread_t *GetVout( libvlc_media_player_t *p_mi,
38 libvlc_exception_t *p_exception )
40 input_thread_t *p_input_thread = libvlc_get_input_thread( p_mi, p_exception );
41 vout_thread_t *p_vout = NULL;
45 p_vout = vlc_object_find( p_input_thread, VLC_OBJECT_VOUT, FIND_CHILD );
48 libvlc_exception_raise( p_exception, "No active video output" );
50 vlc_object_release( p_input_thread );
55 /**********************************************************************
57 **********************************************************************/
59 void libvlc_set_fullscreen( libvlc_media_player_t *p_mi, int b_fullscreen,
60 libvlc_exception_t *p_e )
62 /* We only work on the first vout */
63 vout_thread_t *p_vout = GetVout( p_mi, p_e );
65 /* GetVout will raise the exception for us */
68 var_SetBool( p_vout, "fullscreen", b_fullscreen );
70 vlc_object_release( p_vout );
73 int libvlc_get_fullscreen( libvlc_media_player_t *p_mi,
74 libvlc_exception_t *p_e )
76 /* We only work on the first vout */
77 vout_thread_t *p_vout = GetVout( p_mi, p_e );
80 /* GetVout will raise the exception for us */
81 if( !p_vout ) return 0;
83 i_ret = var_GetBool( p_vout, "fullscreen" );
85 vlc_object_release( p_vout );
90 void libvlc_toggle_fullscreen( libvlc_media_player_t *p_mi,
91 libvlc_exception_t *p_e )
93 /* We only work on the first vout */
94 vout_thread_t *p_vout = GetVout( p_mi, p_e );
97 /* GetVout will raise the exception for us */
100 ret = var_GetBool( p_vout, "fullscreen" );
101 var_SetBool( p_vout, "fullscreen", !ret );
103 vlc_object_release( p_vout );
107 libvlc_video_take_snapshot( libvlc_media_player_t *p_mi, char *psz_filepath,
108 unsigned int i_width, unsigned int i_height, libvlc_exception_t *p_e )
110 vout_thread_t *p_vout = GetVout( p_mi, p_e );
111 input_thread_t *p_input_thread;
113 /* GetVout will raise the exception for us */
114 if( !p_vout ) return;
118 libvlc_exception_raise( p_e, "filepath is null" );
122 var_SetInteger( p_vout, "snapshot-width", i_width );
123 var_SetInteger( p_vout, "snapshot-height", i_height );
125 p_input_thread = p_mi->p_input_thread;
126 if( !p_mi->p_input_thread )
128 libvlc_exception_raise( p_e, "Input does not exist" );
132 var_SetString( p_vout, "snapshot-path", psz_filepath );
133 var_SetString( p_vout, "snapshot-format", "png" );
135 var_TriggerCallback( p_vout, "video-snapshot" );
136 vlc_object_release( p_vout );
139 int libvlc_video_get_height( libvlc_media_player_t *p_mi,
140 libvlc_exception_t *p_e )
144 vout_thread_t *p_vout = GetVout( p_mi, p_e );
145 if( !p_vout ) return 0;
147 height = p_vout->i_window_height;
149 vlc_object_release( p_vout );
154 int libvlc_video_get_width( libvlc_media_player_t *p_mi,
155 libvlc_exception_t *p_e )
159 vout_thread_t *p_vout = GetVout( p_mi, p_e );
160 if( !p_vout ) return 0;
162 width = p_vout->i_window_width;
164 vlc_object_release( p_vout );
169 int libvlc_media_player_has_vout( libvlc_media_player_t *p_mi,
170 libvlc_exception_t *p_e )
172 input_thread_t *p_input_thread = libvlc_get_input_thread(p_mi, p_e);
173 bool has_vout = false;
177 vout_thread_t *p_vout;
179 p_vout = vlc_object_find( p_input_thread, VLC_OBJECT_VOUT, FIND_CHILD );
183 vlc_object_release( p_vout );
185 vlc_object_release( p_input_thread );
190 int libvlc_video_reparent( libvlc_media_player_t *p_mi, libvlc_drawable_t d,
191 libvlc_exception_t *p_e )
193 vout_thread_t *p_vout = GetVout( p_mi, p_e );
197 vout_Control( p_vout , VOUT_REPARENT, d);
198 vlc_object_release( p_vout );
203 void libvlc_video_resize( libvlc_media_player_t *p_mi, int width, int height, libvlc_exception_t *p_e )
205 vout_thread_t *p_vout = GetVout( p_mi, p_e );
208 vout_Control( p_vout, VOUT_SET_SIZE, width, height );
209 vlc_object_release( p_vout );
213 void libvlc_video_redraw_rectangle( libvlc_media_player_t *p_mi,
214 const libvlc_rectangle_t *area,
215 libvlc_exception_t *p_e )
219 && ((area->bottom - area->top) > 0)
220 && ((area->right - area->left) > 0) )
222 vout_thread_t *p_vout = GetVout( p_mi, p_e );
225 /* tell running vout to redraw area */
226 vout_Control( p_vout , VOUT_REDRAW_RECT,
227 area->top, area->left, area->bottom, area->right );
228 vlc_object_release( p_vout );
232 (void) p_mi; (void) area; (void) p_e;
236 /* global video settings */
238 /* Deprecated use libvlc_media_player_set_drawable() */
239 void libvlc_video_set_parent( libvlc_instance_t *p_instance, libvlc_drawable_t d,
240 libvlc_exception_t *p_e )
242 /* set as default for future vout instances */
246 if( sizeof(HWND) > sizeof(libvlc_drawable_t) )
247 return; /* BOOM! we told you not to use this function! */
248 val.p_address = (void *)(uintptr_t)d;
249 var_Set( p_instance->p_libvlc_int, "drawable-hwnd", val );
251 var_SetInteger( p_instance->p_libvlc_int, "drawable-xid", d );
254 libvlc_media_player_t *p_mi = libvlc_playlist_get_media_player(p_instance, p_e);
257 libvlc_media_player_set_drawable( p_mi, d, p_e );
258 libvlc_media_player_release(p_mi);
262 /* Deprecated use libvlc_media_player_get_drawable() */
263 libvlc_drawable_t libvlc_video_get_parent( libvlc_instance_t *p_instance, libvlc_exception_t *p_e )
270 if( sizeof(HWND) > sizeof(libvlc_drawable_t) )
272 var_Get( p_instance->p_libvlc_int, "drawable-hwnd", &val );
273 return (uintptr_t)val.p_address;
275 return var_GetInteger( p_instance->p_libvlc_int, "drawable-xid" );
280 void libvlc_video_set_size( libvlc_instance_t *p_instance, int width, int height,
281 libvlc_exception_t *p_e )
283 /* set as default for future vout instances */
284 config_PutInt(p_instance->p_libvlc_int, "width", width);
285 config_PutInt(p_instance->p_libvlc_int, "height", height);
287 libvlc_media_player_t *p_mi = libvlc_playlist_get_media_player(p_instance, p_e);
290 vout_thread_t *p_vout = GetVout( p_mi, p_e );
293 /* tell running vout to re-size */
294 vout_Control( p_vout , VOUT_SET_SIZE, width, height);
295 vlc_object_release( p_vout );
297 libvlc_media_player_release(p_mi);
301 void libvlc_video_set_viewport( libvlc_instance_t *p_instance,
302 const libvlc_rectangle_t *view, const libvlc_rectangle_t *clip,
303 libvlc_exception_t *p_e )
308 libvlc_exception_raise( p_e, "viewport is NULL" );
312 /* if clip is NULL, then use view rectangle as clip */
316 /* set as default for future vout instances */
317 var_SetInteger( p_instance->p_libvlc_int, "drawable-view-top", view->top );
318 var_SetInteger( p_instance->p_libvlc_int, "drawable-view-left", view->left );
319 var_SetInteger( p_instance->p_libvlc_int, "drawable-view-bottom", view->bottom );
320 var_SetInteger( p_instance->p_libvlc_int, "drawable-view-right", view->right );
321 var_SetInteger( p_instance->p_libvlc_int, "drawable-clip-top", clip->top );
322 var_SetInteger( p_instance->p_libvlc_int, "drawable-clip-left", clip->left );
323 var_SetInteger( p_instance->p_libvlc_int, "drawable-clip-bottom", clip->bottom );
324 var_SetInteger( p_instance->p_libvlc_int, "drawable-clip-right", clip->right );
326 libvlc_media_player_t *p_mi = libvlc_playlist_get_media_player(p_instance, p_e);
329 vout_thread_t *p_vout = GetVout( p_mi, p_e );
332 /* change viewport for running vout */
333 vout_Control( p_vout , VOUT_SET_VIEWPORT,
334 view->top, view->left, view->bottom, view->right,
335 clip->top, clip->left, clip->bottom, clip->right );
336 vlc_object_release( p_vout );
338 libvlc_media_player_release(p_mi);
341 (void) p_instance; (void) view; (void) clip; (void) p_e;
345 char *libvlc_video_get_aspect_ratio( libvlc_media_player_t *p_mi,
346 libvlc_exception_t *p_e )
348 char *psz_aspect = 0;
349 vout_thread_t *p_vout = GetVout( p_mi, p_e );
351 if( !p_vout ) return 0;
353 psz_aspect = var_GetNonEmptyString( p_vout, "aspect-ratio" );
354 vlc_object_release( p_vout );
355 return psz_aspect ? psz_aspect : strdup("");
358 void libvlc_video_set_aspect_ratio( libvlc_media_player_t *p_mi,
359 char *psz_aspect, libvlc_exception_t *p_e )
361 vout_thread_t *p_vout = GetVout( p_mi, p_e );
364 if( !p_vout ) return;
366 i_ret = var_SetString( p_vout, "aspect-ratio", psz_aspect );
368 libvlc_exception_raise( p_e,
369 "Unexpected error while setting aspect-ratio value" );
371 vlc_object_release( p_vout );
374 int libvlc_video_get_spu( libvlc_media_player_t *p_mi,
375 libvlc_exception_t *p_e )
377 input_thread_t *p_input_thread = libvlc_get_input_thread( p_mi, p_e );
378 vlc_value_t val_list;
384 if( !p_input_thread ) return -1;
386 i_ret = var_Get( p_input_thread, "spu-es", &val );
389 libvlc_exception_raise( p_e, "Getting subtitle information failed" );
390 vlc_object_release( p_input_thread );
394 var_Change( p_input_thread, "spu-es", VLC_VAR_GETCHOICES, &val_list, NULL );
395 for( i = 0; i < val_list.p_list->i_count; i++ )
397 vlc_value_t spu_val = val_list.p_list->p_values[i];
398 if( val.i_int == spu_val.i_int )
404 vlc_object_release( p_input_thread );
408 int libvlc_video_get_spu_count( libvlc_media_player_t *p_mi,
409 libvlc_exception_t *p_e )
411 input_thread_t *p_input_thread = libvlc_get_input_thread( p_mi, p_e );
412 vlc_value_t val_list;
414 if( !p_input_thread )
417 var_Change( p_input_thread, "spu-es", VLC_VAR_GETCHOICES, &val_list, NULL );
418 vlc_object_release( p_input_thread );
419 return val_list.p_list->i_count;
422 libvlc_track_description_t *
423 libvlc_video_get_spu_description( libvlc_media_player_t *p_mi,
424 libvlc_exception_t *p_e )
426 return libvlc_get_track_description( p_mi, "spu-es", p_e);
429 void libvlc_video_set_spu( libvlc_media_player_t *p_mi, int i_spu,
430 libvlc_exception_t *p_e )
432 input_thread_t *p_input_thread = libvlc_get_input_thread( p_mi, p_e );
433 vlc_value_t val_list;
437 if( !p_input_thread ) return;
439 var_Change( p_input_thread, "spu-es", VLC_VAR_GETCHOICES, &val_list, NULL );
440 if( (i_spu < 0) && (i_spu > val_list.p_list->i_count) )
442 libvlc_exception_raise( p_e, "Subtitle value out of range" );
443 vlc_object_release( p_input_thread );
447 newval = val_list.p_list->p_values[i_spu];
448 i_ret = var_Set( p_input_thread, "spu-es", newval );
451 libvlc_exception_raise( p_e, "Setting subtitle value failed" );
453 vlc_object_release( p_input_thread );
456 int libvlc_video_set_subtitle_file( libvlc_media_player_t *p_mi,
458 libvlc_exception_t *p_e )
460 input_thread_t *p_input_thread = libvlc_get_input_thread ( p_mi, p_e );
465 if( !input_AddSubtitle( p_input_thread, psz_subtitle, true ) )
467 vlc_object_release( p_input_thread );
472 libvlc_track_description_t *
473 libvlc_video_get_title_description( libvlc_media_player_t *p_mi,
474 libvlc_exception_t * p_e )
476 return libvlc_get_track_description( p_mi, "title", p_e);
479 libvlc_track_description_t *
480 libvlc_video_get_chapter_description( libvlc_media_player_t *p_mi,
482 libvlc_exception_t *p_e )
485 sprintf( psz_title, "title %2i", i_title );
486 return libvlc_get_track_description( p_mi, psz_title, p_e);
489 char *libvlc_video_get_crop_geometry( libvlc_media_player_t *p_mi,
490 libvlc_exception_t *p_e )
492 char *psz_geometry = 0;
493 vout_thread_t *p_vout = GetVout( p_mi, p_e );
495 if( !p_vout ) return 0;
497 psz_geometry = var_GetNonEmptyString( p_vout, "crop" );
498 vlc_object_release( p_vout );
499 return psz_geometry ? psz_geometry : strdup("");
502 void libvlc_video_set_crop_geometry( libvlc_media_player_t *p_mi,
503 char *psz_geometry, libvlc_exception_t *p_e )
505 vout_thread_t *p_vout = GetVout( p_mi, p_e );
508 if( !p_vout ) return;
510 i_ret = var_SetString( p_vout, "crop", psz_geometry );
512 libvlc_exception_raise( p_e,
513 "Unexpected error while setting crop geometry" );
515 vlc_object_release( p_vout );
518 int libvlc_video_get_teletext( libvlc_media_player_t *p_mi,
519 libvlc_exception_t *p_e )
521 vout_thread_t *p_vout = GetVout( p_mi, p_e );
525 if( !p_vout ) return i_ret;
527 p_vbi = (vlc_object_t *) vlc_object_find_name( p_vout, "zvbi",
531 i_ret = var_GetInteger( p_vbi, "vbi-page" );
532 vlc_object_release( p_vbi );
535 vlc_object_release( p_vout );
539 void libvlc_video_set_teletext( libvlc_media_player_t *p_mi, int i_page,
540 libvlc_exception_t *p_e )
542 vout_thread_t *p_vout = GetVout( p_mi, p_e );
546 if( !p_vout ) return;
548 p_vbi = (vlc_object_t *) vlc_object_find_name( p_vout, "zvbi",
552 i_ret = var_SetInteger( p_vbi, "vbi-page", i_page );
553 vlc_object_release( p_vbi );
555 libvlc_exception_raise( p_e,
556 "Unexpected error while setting teletext page" );
558 vlc_object_release( p_vout );
561 void libvlc_toggle_teletext( libvlc_media_player_t *p_mi,
562 libvlc_exception_t *p_e )
564 input_thread_t *p_input_thread;
568 p_input_thread = libvlc_get_input_thread(p_mi, p_e);
569 if( !p_input_thread ) return;
571 if( var_CountChoices( p_input_thread, "teletext-es" ) <= 0 )
573 vlc_object_release( p_input_thread );
576 const bool b_selected = var_GetInteger( p_input_thread, "teletext-es" ) >= 0;
578 p_vbi = (vlc_object_t *)vlc_object_find_name( p_input_thread, "zvbi",
584 /* FIXME Gni, why that ? */
585 i_ret = var_SetInteger( p_vbi, "vbi-page",
586 var_GetInteger( p_vbi, "vbi-page" ) );
588 libvlc_exception_raise( p_e,
589 "Unexpected error while setting teletext page" );
594 i_ret = var_SetBool( p_vbi, "vbi-opaque",
595 !var_GetBool( p_vbi, "vbi-opaque" ) );
597 libvlc_exception_raise( p_e,
598 "Unexpected error while setting teletext transparency" );
600 vlc_object_release( p_vbi );
602 else if( b_selected )
604 var_SetInteger( p_input_thread, "spu-es", -1 );
609 if( !var_Change( p_input_thread, "teletext-es", VLC_VAR_GETLIST, &list, NULL ) )
611 if( list.p_list->i_count > 0 )
612 var_SetInteger( p_input_thread, "spu-es", list.p_list->p_values[0].i_int );
614 var_Change( p_input_thread, "teletext-es", VLC_VAR_FREELIST, &list, NULL );
617 vlc_object_release( p_input_thread );
620 int libvlc_video_get_track_count( libvlc_media_player_t *p_mi,
621 libvlc_exception_t *p_e )
623 input_thread_t *p_input_thread = libvlc_get_input_thread( p_mi, p_e );
624 vlc_value_t val_list;
626 if( !p_input_thread )
629 var_Change( p_input_thread, "video-es", VLC_VAR_GETCHOICES, &val_list, NULL );
630 vlc_object_release( p_input_thread );
631 return val_list.p_list->i_count;
634 libvlc_track_description_t *
635 libvlc_video_get_track_description( libvlc_media_player_t *p_mi,
636 libvlc_exception_t *p_e )
638 return libvlc_get_track_description( p_mi, "video-es", p_e);
641 int libvlc_video_get_track( libvlc_media_player_t *p_mi,
642 libvlc_exception_t *p_e )
644 input_thread_t *p_input_thread = libvlc_get_input_thread( p_mi, p_e );
645 vlc_value_t val_list;
651 if( !p_input_thread )
654 i_ret = var_Get( p_input_thread, "video-es", &val );
657 libvlc_exception_raise( p_e, "Getting Video track information failed" );
658 vlc_object_release( p_input_thread );
662 var_Change( p_input_thread, "video-es", VLC_VAR_GETCHOICES, &val_list, NULL );
663 for( i = 0; i < val_list.p_list->i_count; i++ )
665 vlc_value_t track_val = val_list.p_list->p_values[i];
666 if( track_val.i_int == val.i_int )
672 vlc_object_release( p_input_thread );
676 void libvlc_video_set_track( libvlc_media_player_t *p_mi, int i_track,
677 libvlc_exception_t *p_e )
679 input_thread_t *p_input_thread = libvlc_get_input_thread( p_mi, p_e );
680 vlc_value_t val_list;
684 if( !p_input_thread )
687 var_Change( p_input_thread, "video-es", VLC_VAR_GETCHOICES, &val_list, NULL );
688 for( i = 0; i < val_list.p_list->i_count; i++ )
690 vlc_value_t val = val_list.p_list->p_values[i];
691 if( i_track == val.i_int )
693 i_ret = var_Set( p_input_thread, "audio-es", val );
695 libvlc_exception_raise( p_e, "Setting video track failed" );
696 vlc_object_release( p_input_thread );
700 libvlc_exception_raise( p_e, "Video track out of range" );
701 vlc_object_release( p_input_thread );
704 int libvlc_video_destroy( libvlc_media_player_t *p_mi,
705 libvlc_exception_t *p_e )
707 vout_thread_t *p_vout = GetVout( p_mi, p_e );
708 vlc_object_detach( p_vout );
709 vlc_object_release( p_vout );
710 vlc_object_release( p_vout );