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 )
218 && ((area->bottom - area->top) > 0)
219 && ((area->right - area->left) > 0) )
221 vout_thread_t *p_vout = GetVout( p_mi, p_e );
224 /* tell running vout to redraw area */
225 vout_Control( p_vout , VOUT_REDRAW_RECT,
226 area->top, area->left, area->bottom, area->right );
227 vlc_object_release( p_vout );
232 /* global video settings */
234 /* Deprecated use libvlc_media_player_set_drawable() */
235 void libvlc_video_set_parent( libvlc_instance_t *p_instance, libvlc_drawable_t d,
236 libvlc_exception_t *p_e )
238 /* set as default for future vout instances */
242 if( sizeof(HWND) > sizeof(libvlc_drawable_t) )
243 return; /* BOOM! we told you not to use this function! */
244 val.p_address = (void *)(uintptr_t)d;
245 var_Set( p_instance->p_libvlc_int, "drawable-hwnd", val );
247 var_SetInteger( p_instance->p_libvlc_int, "drawable-xid", d );
250 libvlc_media_player_t *p_mi = libvlc_playlist_get_media_player(p_instance, p_e);
253 libvlc_media_player_set_drawable( p_mi, d, p_e );
254 libvlc_media_player_release(p_mi);
258 /* Deprecated use libvlc_media_player_get_drawable() */
259 libvlc_drawable_t libvlc_video_get_parent( libvlc_instance_t *p_instance, libvlc_exception_t *p_e )
266 if( sizeof(HWND) > sizeof(libvlc_drawable_t) )
268 var_Get( p_instance->p_libvlc_int, "drawable-hwnd", &val );
269 return (uintptr_t)val.p_address;
271 return var_GetInteger( p_instance->p_libvlc_int, "drawable-xid" );
276 void libvlc_video_set_size( libvlc_instance_t *p_instance, int width, int height,
277 libvlc_exception_t *p_e )
279 /* set as default for future vout instances */
280 config_PutInt(p_instance->p_libvlc_int, "width", width);
281 config_PutInt(p_instance->p_libvlc_int, "height", height);
283 libvlc_media_player_t *p_mi = libvlc_playlist_get_media_player(p_instance, p_e);
286 vout_thread_t *p_vout = GetVout( p_mi, p_e );
289 /* tell running vout to re-size */
290 vout_Control( p_vout , VOUT_SET_SIZE, width, height);
291 vlc_object_release( p_vout );
293 libvlc_media_player_release(p_mi);
297 void libvlc_video_set_viewport( libvlc_instance_t *p_instance,
298 const libvlc_rectangle_t *view, const libvlc_rectangle_t *clip,
299 libvlc_exception_t *p_e )
303 libvlc_exception_raise( p_e, "viewport is NULL" );
307 /* if clip is NULL, then use view rectangle as clip */
311 /* set as default for future vout instances */
312 var_SetInteger( p_instance->p_libvlc_int, "drawable-view-top", view->top );
313 var_SetInteger( p_instance->p_libvlc_int, "drawable-view-left", view->left );
314 var_SetInteger( p_instance->p_libvlc_int, "drawable-view-bottom", view->bottom );
315 var_SetInteger( p_instance->p_libvlc_int, "drawable-view-right", view->right );
316 var_SetInteger( p_instance->p_libvlc_int, "drawable-clip-top", clip->top );
317 var_SetInteger( p_instance->p_libvlc_int, "drawable-clip-left", clip->left );
318 var_SetInteger( p_instance->p_libvlc_int, "drawable-clip-bottom", clip->bottom );
319 var_SetInteger( p_instance->p_libvlc_int, "drawable-clip-right", clip->right );
321 libvlc_media_player_t *p_mi = libvlc_playlist_get_media_player(p_instance, p_e);
324 vout_thread_t *p_vout = GetVout( p_mi, p_e );
327 /* change viewport for running vout */
328 vout_Control( p_vout , VOUT_SET_VIEWPORT,
329 view->top, view->left, view->bottom, view->right,
330 clip->top, clip->left, clip->bottom, clip->right );
331 vlc_object_release( p_vout );
333 libvlc_media_player_release(p_mi);
337 char *libvlc_video_get_aspect_ratio( libvlc_media_player_t *p_mi,
338 libvlc_exception_t *p_e )
340 char *psz_aspect = 0;
341 vout_thread_t *p_vout = GetVout( p_mi, p_e );
343 if( !p_vout ) return 0;
345 psz_aspect = var_GetNonEmptyString( p_vout, "aspect-ratio" );
346 vlc_object_release( p_vout );
347 return psz_aspect ? psz_aspect : strdup("");
350 void libvlc_video_set_aspect_ratio( libvlc_media_player_t *p_mi,
351 char *psz_aspect, libvlc_exception_t *p_e )
353 vout_thread_t *p_vout = GetVout( p_mi, p_e );
356 if( !p_vout ) return;
358 i_ret = var_SetString( p_vout, "aspect-ratio", psz_aspect );
360 libvlc_exception_raise( p_e,
361 "Unexpected error while setting aspect-ratio value" );
363 vlc_object_release( p_vout );
366 int libvlc_video_get_spu( libvlc_media_player_t *p_mi,
367 libvlc_exception_t *p_e )
369 input_thread_t *p_input_thread = libvlc_get_input_thread( p_mi, p_e );
370 vlc_value_t val_list;
376 if( !p_input_thread ) return -1;
378 i_ret = var_Get( p_input_thread, "spu-es", &val );
381 libvlc_exception_raise( p_e, "Getting subtitle information failed" );
382 vlc_object_release( p_input_thread );
386 var_Change( p_input_thread, "spu-es", VLC_VAR_GETCHOICES, &val_list, NULL );
387 for( i = 0; i < val_list.p_list->i_count; i++ )
389 vlc_value_t spu_val = val_list.p_list->p_values[i];
390 if( val.i_int == spu_val.i_int )
396 vlc_object_release( p_input_thread );
400 int libvlc_video_get_spu_count( libvlc_media_player_t *p_mi,
401 libvlc_exception_t *p_e )
403 input_thread_t *p_input_thread = libvlc_get_input_thread( p_mi, p_e );
404 vlc_value_t val_list;
406 if( !p_input_thread )
409 var_Change( p_input_thread, "spu-es", VLC_VAR_GETCHOICES, &val_list, NULL );
410 vlc_object_release( p_input_thread );
411 return val_list.p_list->i_count;
414 libvlc_track_description_t *
415 libvlc_video_get_spu_description( libvlc_media_player_t *p_mi,
416 libvlc_exception_t *p_e )
418 return libvlc_get_track_description( p_mi, "spu-es", p_e);
421 void libvlc_video_set_spu( libvlc_media_player_t *p_mi, int i_spu,
422 libvlc_exception_t *p_e )
424 input_thread_t *p_input_thread = libvlc_get_input_thread( p_mi, p_e );
425 vlc_value_t val_list;
429 if( !p_input_thread ) return;
431 var_Change( p_input_thread, "spu-es", VLC_VAR_GETCHOICES, &val_list, NULL );
432 if( (i_spu < 0) && (i_spu > val_list.p_list->i_count) )
434 libvlc_exception_raise( p_e, "Subtitle value out of range" );
435 vlc_object_release( p_input_thread );
439 newval = val_list.p_list->p_values[i_spu];
440 i_ret = var_Set( p_input_thread, "spu-es", newval );
443 libvlc_exception_raise( p_e, "Setting subtitle value failed" );
445 vlc_object_release( p_input_thread );
448 int libvlc_video_set_subtitle_file( libvlc_media_player_t *p_mi,
450 libvlc_exception_t *p_e )
452 input_thread_t *p_input_thread = libvlc_get_input_thread ( p_mi, p_e );
457 if( !input_AddSubtitle( p_input_thread, psz_subtitle, true ) )
459 vlc_object_release( p_input_thread );
464 libvlc_track_description_t *
465 libvlc_video_get_title_description( libvlc_media_player_t *p_mi,
466 libvlc_exception_t * p_e )
468 return libvlc_get_track_description( p_mi, "title", p_e);
471 libvlc_track_description_t *
472 libvlc_video_get_chapter_description( libvlc_media_player_t *p_mi,
474 libvlc_exception_t *p_e )
477 sprintf( psz_title, "title %2i", i_title );
478 return libvlc_get_track_description( p_mi, psz_title, p_e);
481 char *libvlc_video_get_crop_geometry( libvlc_media_player_t *p_mi,
482 libvlc_exception_t *p_e )
484 char *psz_geometry = 0;
485 vout_thread_t *p_vout = GetVout( p_mi, p_e );
487 if( !p_vout ) return 0;
489 psz_geometry = var_GetNonEmptyString( p_vout, "crop" );
490 vlc_object_release( p_vout );
491 return psz_geometry ? psz_geometry : strdup("");
494 void libvlc_video_set_crop_geometry( libvlc_media_player_t *p_mi,
495 char *psz_geometry, libvlc_exception_t *p_e )
497 vout_thread_t *p_vout = GetVout( p_mi, p_e );
500 if( !p_vout ) return;
502 i_ret = var_SetString( p_vout, "crop", psz_geometry );
504 libvlc_exception_raise( p_e,
505 "Unexpected error while setting crop geometry" );
507 vlc_object_release( p_vout );
510 int libvlc_video_get_teletext( libvlc_media_player_t *p_mi,
511 libvlc_exception_t *p_e )
513 vout_thread_t *p_vout = GetVout( p_mi, p_e );
517 if( !p_vout ) return i_ret;
519 p_vbi = (vlc_object_t *) vlc_object_find_name( p_vout, "zvbi",
523 i_ret = var_GetInteger( p_vbi, "vbi-page" );
524 vlc_object_release( p_vbi );
527 vlc_object_release( p_vout );
531 void libvlc_video_set_teletext( libvlc_media_player_t *p_mi, int i_page,
532 libvlc_exception_t *p_e )
534 vout_thread_t *p_vout = GetVout( p_mi, p_e );
538 if( !p_vout ) return;
540 p_vbi = (vlc_object_t *) vlc_object_find_name( p_vout, "zvbi",
544 i_ret = var_SetInteger( p_vbi, "vbi-page", i_page );
545 vlc_object_release( p_vbi );
547 libvlc_exception_raise( p_e,
548 "Unexpected error while setting teletext page" );
550 vlc_object_release( p_vout );
553 void libvlc_toggle_teletext( libvlc_media_player_t *p_mi,
554 libvlc_exception_t *p_e )
556 input_thread_t *p_input_thread;
560 p_input_thread = libvlc_get_input_thread(p_mi, p_e);
561 if( !p_input_thread ) return;
563 if( var_CountChoices( p_input_thread, "teletext-es" ) <= 0 )
565 vlc_object_release( p_input_thread );
568 const bool b_selected = var_GetInteger( p_input_thread, "teletext-es" ) >= 0;
570 p_vbi = (vlc_object_t *)vlc_object_find_name( p_input_thread, "zvbi",
576 /* FIXME Gni, why that ? */
577 i_ret = var_SetInteger( p_vbi, "vbi-page",
578 var_GetInteger( p_vbi, "vbi-page" ) );
580 libvlc_exception_raise( p_e,
581 "Unexpected error while setting teletext page" );
586 i_ret = var_SetBool( p_vbi, "vbi-opaque",
587 !var_GetBool( p_vbi, "vbi-opaque" ) );
589 libvlc_exception_raise( p_e,
590 "Unexpected error while setting teletext transparency" );
592 vlc_object_release( p_vbi );
594 else if( b_selected )
596 var_SetInteger( p_input_thread, "spu-es", -1 );
601 if( !var_Change( p_input_thread, "teletext-es", VLC_VAR_GETLIST, &list, NULL ) )
603 if( list.p_list->i_count > 0 )
604 var_SetInteger( p_input_thread, "spu-es", list.p_list->p_values[0].i_int );
606 var_Change( p_input_thread, "teletext-es", VLC_VAR_FREELIST, &list, NULL );
609 vlc_object_release( p_input_thread );
612 int libvlc_video_get_track_count( libvlc_media_player_t *p_mi,
613 libvlc_exception_t *p_e )
615 input_thread_t *p_input_thread = libvlc_get_input_thread( p_mi, p_e );
616 vlc_value_t val_list;
618 if( !p_input_thread )
621 var_Change( p_input_thread, "video-es", VLC_VAR_GETCHOICES, &val_list, NULL );
622 vlc_object_release( p_input_thread );
623 return val_list.p_list->i_count;
626 libvlc_track_description_t *
627 libvlc_video_get_track_description( libvlc_media_player_t *p_mi,
628 libvlc_exception_t *p_e )
630 return libvlc_get_track_description( p_mi, "video-es", p_e);
633 int libvlc_video_get_track( libvlc_media_player_t *p_mi,
634 libvlc_exception_t *p_e )
636 input_thread_t *p_input_thread = libvlc_get_input_thread( p_mi, p_e );
637 vlc_value_t val_list;
643 if( !p_input_thread )
646 i_ret = var_Get( p_input_thread, "video-es", &val );
649 libvlc_exception_raise( p_e, "Getting Video track information failed" );
650 vlc_object_release( p_input_thread );
654 var_Change( p_input_thread, "video-es", VLC_VAR_GETCHOICES, &val_list, NULL );
655 for( i = 0; i < val_list.p_list->i_count; i++ )
657 vlc_value_t track_val = val_list.p_list->p_values[i];
658 if( track_val.i_int == val.i_int )
664 vlc_object_release( p_input_thread );
668 void libvlc_video_set_track( libvlc_media_player_t *p_mi, int i_track,
669 libvlc_exception_t *p_e )
671 input_thread_t *p_input_thread = libvlc_get_input_thread( p_mi, p_e );
672 vlc_value_t val_list;
676 if( !p_input_thread )
679 var_Change( p_input_thread, "video-es", VLC_VAR_GETCHOICES, &val_list, NULL );
680 for( i = 0; i < val_list.p_list->i_count; i++ )
682 vlc_value_t val = val_list.p_list->p_values[i];
683 if( i_track == val.i_int )
685 i_ret = var_Set( p_input_thread, "audio-es", val );
687 libvlc_exception_raise( p_e, "Setting video track failed" );
688 vlc_object_release( p_input_thread );
692 libvlc_exception_raise( p_e, "Video track out of range" );
693 vlc_object_release( p_input_thread );
696 int libvlc_video_destroy( libvlc_media_player_t *p_mi,
697 libvlc_exception_t *p_e )
699 vout_thread_t *p_vout = GetVout( p_mi, p_e );
700 vlc_object_detach( p_vout );
701 vlc_object_release( p_vout );
702 vlc_object_release( p_vout );