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 vout_Control( p_vout, VOUT_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 void libvlc_video_set_parent( libvlc_instance_t *p_instance, libvlc_drawable_t d,
235 libvlc_exception_t *p_e )
237 /* set as default for future vout instances */
238 var_SetInteger(p_instance->p_libvlc_int, "drawable", (int)d);
240 libvlc_media_player_t *p_mi = libvlc_playlist_get_media_player(p_instance, p_e);
243 libvlc_media_player_set_drawable( p_mi, d, p_e );
244 libvlc_media_player_release(p_mi);
248 libvlc_drawable_t libvlc_video_get_parent( libvlc_instance_t *p_instance, libvlc_exception_t *p_e )
252 libvlc_drawable_t result;
254 result = var_GetInteger( p_instance->p_libvlc_int, "drawable" );
260 void libvlc_video_set_size( libvlc_instance_t *p_instance, int width, int height,
261 libvlc_exception_t *p_e )
263 /* set as default for future vout instances */
264 config_PutInt(p_instance->p_libvlc_int, "width", width);
265 config_PutInt(p_instance->p_libvlc_int, "height", height);
267 libvlc_media_player_t *p_mi = libvlc_playlist_get_media_player(p_instance, p_e);
270 vout_thread_t *p_vout = GetVout( p_mi, p_e );
273 /* tell running vout to re-size */
274 vout_Control( p_vout , VOUT_SET_SIZE, width, height);
275 vlc_object_release( p_vout );
277 libvlc_media_player_release(p_mi);
281 void libvlc_video_set_viewport( libvlc_instance_t *p_instance,
282 const libvlc_rectangle_t *view, const libvlc_rectangle_t *clip,
283 libvlc_exception_t *p_e )
287 libvlc_exception_raise( p_e, "viewport is NULL" );
291 /* if clip is NULL, then use view rectangle as clip */
295 /* set as default for future vout instances */
296 var_SetInteger( p_instance->p_libvlc_int, "drawable-view-top", view->top );
297 var_SetInteger( p_instance->p_libvlc_int, "drawable-view-left", view->left );
298 var_SetInteger( p_instance->p_libvlc_int, "drawable-view-bottom", view->bottom );
299 var_SetInteger( p_instance->p_libvlc_int, "drawable-view-right", view->right );
300 var_SetInteger( p_instance->p_libvlc_int, "drawable-clip-top", clip->top );
301 var_SetInteger( p_instance->p_libvlc_int, "drawable-clip-left", clip->left );
302 var_SetInteger( p_instance->p_libvlc_int, "drawable-clip-bottom", clip->bottom );
303 var_SetInteger( p_instance->p_libvlc_int, "drawable-clip-right", clip->right );
305 libvlc_media_player_t *p_mi = libvlc_playlist_get_media_player(p_instance, p_e);
308 vout_thread_t *p_vout = GetVout( p_mi, p_e );
311 /* change viewport for running vout */
312 vout_Control( p_vout , VOUT_SET_VIEWPORT,
313 view->top, view->left, view->bottom, view->right,
314 clip->top, clip->left, clip->bottom, clip->right );
315 vlc_object_release( p_vout );
317 libvlc_media_player_release(p_mi);
321 char *libvlc_video_get_aspect_ratio( libvlc_media_player_t *p_mi,
322 libvlc_exception_t *p_e )
324 char *psz_aspect = 0;
325 vout_thread_t *p_vout = GetVout( p_mi, p_e );
327 if( !p_vout ) return 0;
329 psz_aspect = var_GetNonEmptyString( p_vout, "aspect-ratio" );
330 vlc_object_release( p_vout );
331 return psz_aspect ? psz_aspect : strdup("");
334 void libvlc_video_set_aspect_ratio( libvlc_media_player_t *p_mi,
335 char *psz_aspect, libvlc_exception_t *p_e )
337 vout_thread_t *p_vout = GetVout( p_mi, p_e );
340 if( !p_vout ) return;
342 i_ret = var_SetString( p_vout, "aspect-ratio", psz_aspect );
344 libvlc_exception_raise( p_e,
345 "Unexpected error while setting aspect-ratio value" );
347 vlc_object_release( p_vout );
350 int libvlc_video_get_spu( libvlc_media_player_t *p_mi,
351 libvlc_exception_t *p_e )
353 input_thread_t *p_input_thread = libvlc_get_input_thread( p_mi, p_e );
354 vlc_value_t val_list;
360 if( !p_input_thread ) return -1;
362 i_ret = var_Get( p_input_thread, "spu-es", &val );
365 libvlc_exception_raise( p_e, "Getting subtitle information failed" );
366 vlc_object_release( p_input_thread );
370 var_Change( p_input_thread, "spu-es", VLC_VAR_GETCHOICES, &val_list, NULL );
371 for( i = 0; i < val_list.p_list->i_count; i++ )
373 vlc_value_t spu_val = val_list.p_list->p_values[i];
374 if( val.i_int == spu_val.i_int )
380 vlc_object_release( p_input_thread );
384 void libvlc_video_set_spu( libvlc_media_player_t *p_mi, int i_spu,
385 libvlc_exception_t *p_e )
387 input_thread_t *p_input_thread = libvlc_get_input_thread( p_mi, p_e );
388 vlc_value_t val_list;
392 if( !p_input_thread ) return;
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 val = val_list.p_list->p_values[i];
402 new_val.i_int = val.i_int;
403 i_ret = var_Set( p_input_thread, "spu-es", new_val );
406 libvlc_exception_raise( p_e, "Setting subtitle value failed" );
408 vlc_object_release( p_input_thread );
412 libvlc_exception_raise( p_e, "Subtitle value out of range" );
413 vlc_object_release( p_input_thread );
416 int libvlc_video_set_subtitle_file( libvlc_media_player_t *p_mi,
418 libvlc_exception_t *p_e )
420 input_thread_t *p_input_thread = libvlc_get_input_thread ( p_mi, p_e );
425 if( input_AddSubtitles( p_input_thread, psz_subtitle, true ) )
427 vlc_object_release( p_input_thread );
432 char *libvlc_video_get_crop_geometry( libvlc_media_player_t *p_mi,
433 libvlc_exception_t *p_e )
435 char *psz_geometry = 0;
436 vout_thread_t *p_vout = GetVout( p_mi, p_e );
438 if( !p_vout ) return 0;
440 psz_geometry = var_GetNonEmptyString( p_vout, "crop" );
441 vlc_object_release( p_vout );
442 return psz_geometry ? psz_geometry : strdup("");
445 void libvlc_video_set_crop_geometry( libvlc_media_player_t *p_mi,
446 char *psz_geometry, libvlc_exception_t *p_e )
448 vout_thread_t *p_vout = GetVout( p_mi, p_e );
451 if( !p_vout ) return;
453 i_ret = var_SetString( p_vout, "crop", psz_geometry );
455 libvlc_exception_raise( p_e,
456 "Unexpected error while setting crop geometry" );
458 vlc_object_release( p_vout );
461 int libvlc_video_get_teletext( libvlc_media_player_t *p_mi,
462 libvlc_exception_t *p_e )
464 vout_thread_t *p_vout = GetVout( p_mi, p_e );
468 if( !p_vout ) return i_ret;
470 p_vbi = (vlc_object_t *) vlc_object_find_name( p_vout, "zvbi",
474 i_ret = var_GetInteger( p_vbi, "vbi-page" );
475 vlc_object_release( p_vbi );
478 vlc_object_release( p_vout );
482 void libvlc_video_set_teletext( libvlc_media_player_t *p_mi, int i_page,
483 libvlc_exception_t *p_e )
485 vout_thread_t *p_vout = GetVout( p_mi, p_e );
489 if( !p_vout ) return;
491 p_vbi = (vlc_object_t *) vlc_object_find_name( p_vout, "zvbi",
495 i_ret = var_SetInteger( p_vbi, "vbi-page", i_page );
496 vlc_object_release( p_vbi );
499 libvlc_exception_raise( p_e,
500 "Unexpected error while setting teletext page" );
501 vlc_object_release( p_vout );
504 void libvlc_toggle_teletext( libvlc_media_player_t *p_mi,
505 libvlc_exception_t *p_e )
507 /* We only work on the first vout */
508 vout_thread_t *p_vout = GetVout( p_mi, p_e );
509 bool opaque; int i_ret;
511 /* GetVout will raise the exception for us */
512 if( !p_vout ) return;
514 opaque = var_GetBool( p_vout, "vbi-opaque" );
515 i_ret = var_SetBool( p_vout, "vbi-opaque", !opaque );
517 libvlc_exception_raise( p_e,
518 "Unexpected error while setting teletext value" );
520 vlc_object_release( p_vout );
523 int libvlc_video_destroy( libvlc_media_player_t *p_mi,
524 libvlc_exception_t *p_e )
526 vout_thread_t *p_vout = GetVout( p_mi, p_e );
527 vlc_object_detach( p_vout );
528 vlc_object_release( p_vout );
529 vlc_object_release( p_vout );