1 /*****************************************************************************
2 * vout_intf.c : video output interface
3 *****************************************************************************
4 * Copyright (C) 2000-2007 the VideoLAN team
6 * Authors: Gildas Bazin <gbazin@videolan.org>
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation; either version 2 of the License, or
11 * (at your option) any later version.
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
21 *****************************************************************************/
23 /*****************************************************************************
25 *****************************************************************************/
31 #include <vlc_common.h>
34 #include <stdlib.h> /* free() */
35 #include <sys/types.h> /* opendir() */
36 #include <dirent.h> /* opendir() */
38 #include <time.h> /* strftime */
40 #include <vlc_interface.h>
41 #include <vlc_block.h>
42 #include <vlc_playlist.h>
45 #include <vlc_image.h>
46 #include <vlc_vout_osd.h>
47 #include <vlc_strings.h>
48 #include <vlc_charset.h>
49 #include "../libvlc.h"
50 #include "vout_internal.h"
52 /*****************************************************************************
54 *****************************************************************************/
55 /* Object variables callbacks */
56 static int ZoomCallback( vlc_object_t *, char const *,
57 vlc_value_t, vlc_value_t, void * );
58 static int CropCallback( vlc_object_t *, char const *,
59 vlc_value_t, vlc_value_t, void * );
60 static int CropBorderCallback( vlc_object_t *, char const *,
61 vlc_value_t, vlc_value_t, void * );
62 static int AspectCallback( vlc_object_t *, char const *,
63 vlc_value_t, vlc_value_t, void * );
64 static int ScalingCallback( vlc_object_t *, char const *,
65 vlc_value_t, vlc_value_t, void * );
66 static int OnTopCallback( vlc_object_t *, char const *,
67 vlc_value_t, vlc_value_t, void * );
68 static int FullscreenCallback( vlc_object_t *, char const *,
69 vlc_value_t, vlc_value_t, void * );
70 static int SnapshotCallback( vlc_object_t *, char const *,
71 vlc_value_t, vlc_value_t, void * );
72 static int VideoFilterCallback( vlc_object_t *, char const *,
73 vlc_value_t, vlc_value_t, void * );
74 static int VideoSplitterCallback( vlc_object_t *, char const *,
75 vlc_value_t, vlc_value_t, void * );
76 static int SubFilterCallback( vlc_object_t *, char const *,
77 vlc_value_t, vlc_value_t, void * );
79 static int TitleShowCallback( vlc_object_t *, char const *,
80 vlc_value_t, vlc_value_t, void * );
81 static int TitleTimeoutCallback( vlc_object_t *, char const *,
82 vlc_value_t, vlc_value_t, void * );
83 static int TitlePositionCallback( vlc_object_t *, char const *,
84 vlc_value_t, vlc_value_t, void * );
86 /*****************************************************************************
87 * vout_IntfInit: called during the vout creation to initialise misc things.
88 *****************************************************************************/
92 const char *psz_label;
94 { 0.25, N_("1:4 Quarter") },
95 { 0.5, N_("1:2 Half") },
96 { 1, N_("1:1 Original") },
97 { 2, N_("2:1 Double") },
102 const char *psz_value;
103 const char *psz_label;
104 } p_crop_values[] = {
105 { "", N_("Default") },
106 { "16:10", "16:10" },
108 { "185:100", "1.85:1" },
109 { "221:100", "2.21:1" },
110 { "235:100", "2.35:1" },
111 { "239:100", "2.39:1" },
120 const char *psz_value;
121 const char *psz_label;
122 } p_aspect_ratio_values[] = {
123 { "", N_("Default") },
127 { "16:10", "16:10" },
128 { "221:100", "2.21:1" },
129 { "235:100", "2.35:1" },
130 { "239:100", "2.39:1" },
134 static void AddCustomRatios( vout_thread_t *p_vout, const char *psz_var,
139 char *psz_cur = psz_list;
141 while( psz_cur && *psz_cur )
143 vlc_value_t val, text;
144 psz_next = strchr( psz_cur, ',' );
150 val.psz_string = psz_cur;
151 text.psz_string = psz_cur;
152 var_Change( p_vout, psz_var, VLC_VAR_ADDCHOICE, &val, &text);
157 void vout_IntfInit( vout_thread_t *p_vout )
159 vlc_value_t val, text, old_val;
160 bool b_force_par = false;
164 /* Create a few object variables we'll need later on */
165 var_Create( p_vout, "snapshot-path", VLC_VAR_STRING | VLC_VAR_DOINHERIT );
166 var_Create( p_vout, "snapshot-prefix", VLC_VAR_STRING | VLC_VAR_DOINHERIT );
167 var_Create( p_vout, "snapshot-format", VLC_VAR_STRING | VLC_VAR_DOINHERIT );
168 var_Create( p_vout, "snapshot-preview", VLC_VAR_BOOL | VLC_VAR_DOINHERIT );
169 var_Create( p_vout, "snapshot-sequential",
170 VLC_VAR_BOOL | VLC_VAR_DOINHERIT );
171 var_Create( p_vout, "snapshot-num", VLC_VAR_INTEGER );
172 var_SetInteger( p_vout, "snapshot-num", 1 );
173 var_Create( p_vout, "snapshot-width", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
174 var_Create( p_vout, "snapshot-height", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
176 var_Create( p_vout, "width", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
177 var_Create( p_vout, "height", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
178 var_Create( p_vout, "align", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
180 var_Create( p_vout, "video-x", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
181 var_Create( p_vout, "video-y", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
183 var_Create( p_vout, "mouse-hide-timeout",
184 VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
186 p_vout->p->title.show = var_CreateGetBool( p_vout, "video-title-show" );
187 p_vout->p->title.timeout = var_CreateGetInteger( p_vout,
188 "video-title-timeout" );
189 p_vout->p->title.position = var_CreateGetInteger( p_vout,
190 "video-title-position" );
191 var_AddCallback( p_vout, "video-title-show", TitleShowCallback, NULL );
192 var_AddCallback( p_vout, "video-title-timeout", TitleTimeoutCallback, NULL );
193 var_AddCallback( p_vout, "video-title-position", TitlePositionCallback, NULL );
195 /* Zoom object var */
196 var_Create( p_vout, "zoom", VLC_VAR_FLOAT | VLC_VAR_ISCOMMAND |
197 VLC_VAR_HASCHOICE | VLC_VAR_DOINHERIT );
199 text.psz_string = _("Zoom");
200 var_Change( p_vout, "zoom", VLC_VAR_SETTEXT, &text, NULL );
202 var_Get( p_vout, "zoom", &old_val );
204 for( i = 0; p_zoom_values[i].f_value; i++ )
206 if( old_val.f_float == p_zoom_values[i].f_value )
207 var_Change( p_vout, "zoom", VLC_VAR_DELCHOICE, &old_val, NULL );
208 val.f_float = p_zoom_values[i].f_value;
209 text.psz_string = _( p_zoom_values[i].psz_label );
210 var_Change( p_vout, "zoom", VLC_VAR_ADDCHOICE, &val, &text );
213 var_Set( p_vout, "zoom", old_val ); /* Is this really needed? */
215 var_AddCallback( p_vout, "zoom", ZoomCallback, NULL );
217 /* Crop offset vars */
218 var_Create( p_vout, "crop-left", VLC_VAR_INTEGER | VLC_VAR_ISCOMMAND );
219 var_Create( p_vout, "crop-top", VLC_VAR_INTEGER | VLC_VAR_ISCOMMAND );
220 var_Create( p_vout, "crop-right", VLC_VAR_INTEGER | VLC_VAR_ISCOMMAND );
221 var_Create( p_vout, "crop-bottom", VLC_VAR_INTEGER | VLC_VAR_ISCOMMAND );
223 var_AddCallback( p_vout, "crop-left", CropBorderCallback, NULL );
224 var_AddCallback( p_vout, "crop-top", CropBorderCallback, NULL );
225 var_AddCallback( p_vout, "crop-right", CropBorderCallback, NULL );
226 var_AddCallback( p_vout, "crop-bottom", CropBorderCallback, NULL );
228 /* Crop object var */
229 var_Create( p_vout, "crop", VLC_VAR_STRING | VLC_VAR_ISCOMMAND |
230 VLC_VAR_HASCHOICE | VLC_VAR_DOINHERIT );
232 text.psz_string = _("Crop");
233 var_Change( p_vout, "crop", VLC_VAR_SETTEXT, &text, NULL );
235 val.psz_string = (char*)"";
236 var_Change( p_vout, "crop", VLC_VAR_DELCHOICE, &val, 0 );
238 for( i = 0; p_crop_values[i].psz_value; i++ )
240 val.psz_string = (char*)p_crop_values[i].psz_value;
241 text.psz_string = _( p_crop_values[i].psz_label );
242 var_Change( p_vout, "crop", VLC_VAR_ADDCHOICE, &val, &text );
245 /* Add custom crop ratios */
246 psz_buf = var_CreateGetNonEmptyString( p_vout, "custom-crop-ratios" );
249 AddCustomRatios( p_vout, "crop", psz_buf );
253 var_AddCallback( p_vout, "crop", CropCallback, NULL );
254 var_Get( p_vout, "crop", &old_val );
255 if( old_val.psz_string && *old_val.psz_string )
256 var_TriggerCallback( p_vout, "crop" );
257 free( old_val.psz_string );
259 /* Monitor pixel aspect-ratio */
260 var_Create( p_vout, "monitor-par", VLC_VAR_STRING | VLC_VAR_DOINHERIT );
261 var_Get( p_vout, "monitor-par", &val );
262 if( val.psz_string && *val.psz_string )
264 char *psz_parser = strchr( val.psz_string, ':' );
265 unsigned int i_aspect_num = 0, i_aspect_den = 0;
269 i_aspect_num = strtol( val.psz_string, 0, 10 );
270 i_aspect_den = strtol( ++psz_parser, 0, 10 );
274 i_aspect = us_atof( val.psz_string );
275 vlc_ureduce( &i_aspect_num, &i_aspect_den,
276 i_aspect *VOUT_ASPECT_FACTOR, VOUT_ASPECT_FACTOR, 0 );
278 if( !i_aspect_num || !i_aspect_den ) i_aspect_num = i_aspect_den = 1;
280 p_vout->p->i_par_num = i_aspect_num;
281 p_vout->p->i_par_den = i_aspect_den;
283 vlc_ureduce( &p_vout->p->i_par_num, &p_vout->p->i_par_den,
284 p_vout->p->i_par_num, p_vout->p->i_par_den, 0 );
286 msg_Dbg( p_vout, "overriding monitor pixel aspect-ratio: %i:%i",
287 p_vout->p->i_par_num, p_vout->p->i_par_den );
290 free( val.psz_string );
292 /* Aspect-ratio object var */
293 var_Create( p_vout, "aspect-ratio", VLC_VAR_STRING | VLC_VAR_ISCOMMAND |
294 VLC_VAR_HASCHOICE | VLC_VAR_DOINHERIT );
296 text.psz_string = _("Aspect-ratio");
297 var_Change( p_vout, "aspect-ratio", VLC_VAR_SETTEXT, &text, NULL );
299 val.psz_string = (char*)"";
300 var_Change( p_vout, "aspect-ratio", VLC_VAR_DELCHOICE, &val, 0 );
302 for( i = 0; p_aspect_ratio_values[i].psz_value; i++ )
304 val.psz_string = (char*)p_aspect_ratio_values[i].psz_value;
305 text.psz_string = _( p_aspect_ratio_values[i].psz_label );
306 var_Change( p_vout, "aspect-ratio", VLC_VAR_ADDCHOICE, &val, &text );
309 /* Add custom aspect ratios */
310 psz_buf = var_CreateGetNonEmptyString( p_vout, "custom-aspect-ratios" );
313 AddCustomRatios( p_vout, "aspect-ratio", psz_buf );
317 var_AddCallback( p_vout, "aspect-ratio", AspectCallback, NULL );
318 var_Get( p_vout, "aspect-ratio", &old_val );
319 if( (old_val.psz_string && *old_val.psz_string) || b_force_par )
320 var_TriggerCallback( p_vout, "aspect-ratio" );
321 free( old_val.psz_string );
323 /* Add variables to manage scaling video */
324 var_Create( p_vout, "autoscale", VLC_VAR_BOOL | VLC_VAR_DOINHERIT
325 | VLC_VAR_ISCOMMAND );
326 text.psz_string = _("Autoscale video");
327 var_Change( p_vout, "autoscale", VLC_VAR_SETTEXT, &text, NULL );
328 var_AddCallback( p_vout, "autoscale", ScalingCallback, NULL );
330 var_Create( p_vout, "scale", VLC_VAR_FLOAT | VLC_VAR_DOINHERIT
331 | VLC_VAR_ISCOMMAND );
332 text.psz_string = _("Scale factor");
333 var_Change( p_vout, "scale", VLC_VAR_SETTEXT, &text, NULL );
334 var_AddCallback( p_vout, "scale", ScalingCallback, NULL );
336 /* Add a variable to indicate if the window should be on top of others */
337 var_Create( p_vout, "video-on-top", VLC_VAR_BOOL | VLC_VAR_DOINHERIT
338 | VLC_VAR_ISCOMMAND );
339 text.psz_string = _("Always on top");
340 var_Change( p_vout, "video-on-top", VLC_VAR_SETTEXT, &text, NULL );
341 var_AddCallback( p_vout, "video-on-top", OnTopCallback, NULL );
342 var_TriggerCallback( p_vout, "video-on-top" );
344 /* Add a variable to indicate whether we want window decoration or not */
345 var_Create( p_vout, "video-deco", VLC_VAR_BOOL | VLC_VAR_DOINHERIT );
347 /* Add a fullscreen variable */
348 var_Create( p_vout, "fullscreen",
349 VLC_VAR_BOOL | VLC_VAR_DOINHERIT | VLC_VAR_ISCOMMAND );
350 text.psz_string = _("Fullscreen");
351 var_Change( p_vout, "fullscreen", VLC_VAR_SETTEXT, &text, NULL );
352 var_AddCallback( p_vout, "fullscreen", FullscreenCallback, NULL );
354 /* Add a snapshot variable */
355 var_Create( p_vout, "video-snapshot", VLC_VAR_VOID | VLC_VAR_ISCOMMAND );
356 text.psz_string = _("Snapshot");
357 var_Change( p_vout, "video-snapshot", VLC_VAR_SETTEXT, &text, NULL );
358 var_AddCallback( p_vout, "video-snapshot", SnapshotCallback, NULL );
360 /* Add a video-filter variable */
361 var_Create( p_vout, "video-filter",
362 VLC_VAR_STRING | VLC_VAR_DOINHERIT | VLC_VAR_ISCOMMAND );
363 var_AddCallback( p_vout, "video-filter", VideoFilterCallback, NULL );
364 var_TriggerCallback( p_vout, "video-filter" );
366 /* Add a video-splitter variable
367 * TODO rename vout-filter into vout-splitter */
368 var_Create( p_vout, "vout-filter",
369 VLC_VAR_STRING | VLC_VAR_DOINHERIT | VLC_VAR_ISCOMMAND );
370 text.psz_string = _("Video splitter");
371 var_Change( p_vout, "vout-filter", VLC_VAR_SETTEXT, &text, NULL );
372 var_AddCallback( p_vout, "vout-filter", VideoSplitterCallback, NULL );
374 /* Add a sub-filter variable */
375 var_Create( p_vout, "sub-filter",
376 VLC_VAR_STRING | VLC_VAR_DOINHERIT | VLC_VAR_ISCOMMAND );
377 var_AddCallback( p_vout, "sub-filter", SubFilterCallback, NULL );
378 var_TriggerCallback( p_vout, "sub-filter" );
380 /* Mouse coordinates */
381 var_Create( p_vout, "mouse-button-down", VLC_VAR_INTEGER );
382 var_Create( p_vout, "mouse-moved", VLC_VAR_COORDS );
383 var_Create( p_vout, "mouse-clicked", VLC_VAR_COORDS );
384 var_Create( p_vout, "mouse-object", VLC_VAR_BOOL );
387 /*****************************************************************************
388 * vout_Snapshot: generates a snapshot.
389 *****************************************************************************/
391 * This function will inject a subpicture into the vout with the provided
394 static int VoutSnapshotPip( vout_thread_t *p_vout, picture_t *p_pic )
396 subpicture_t *p_subpic = subpicture_NewFromPicture( VLC_OBJECT(p_vout),
397 p_pic, VLC_CODEC_YUVA );
401 /* FIXME SPU_DEFAULT_CHANNEL is not good (used by the text) but
402 * hardcoded 0 doesn't seem right */
403 p_subpic->i_channel = 0;
404 p_subpic->i_start = mdate();
405 p_subpic->i_stop = p_subpic->i_start + 4000000;
406 p_subpic->b_ephemer = true;
407 p_subpic->b_fade = true;
409 /* Reduce the picture to 1/4^2 of the screen */
410 p_subpic->i_original_picture_width *= 4;
411 p_subpic->i_original_picture_height *= 4;
413 vout_PutSubpicture( p_vout, p_subpic );
418 * This function will display the name and a PIP of the provided snapshot
420 static void VoutOsdSnapshot( vout_thread_t *p_vout, picture_t *p_pic, const char *psz_filename )
422 msg_Dbg( p_vout, "snapshot taken (%s)", psz_filename );
423 vout_OSDMessage( p_vout, SPU_DEFAULT_CHANNEL, "%s", psz_filename );
425 if( var_GetBool( p_vout, "snapshot-preview" ) )
427 if( VoutSnapshotPip( p_vout, p_pic ) )
428 msg_Warn( p_vout, "Failed to display snapshot" );
433 int vout_GetSnapshot( vout_thread_t *p_vout,
434 block_t **pp_image, picture_t **pp_picture,
435 video_format_t *p_fmt,
436 const char *psz_format, mtime_t i_timeout )
438 picture_t *p_picture = vout_snapshot_Get( &p_vout->p->snapshot, i_timeout );
441 msg_Err( p_vout, "Failed to grab a snapshot" );
447 vlc_fourcc_t i_format = VLC_CODEC_PNG;
448 if( psz_format && image_Type2Fourcc( psz_format ) )
449 i_format = image_Type2Fourcc( psz_format );
451 const int i_override_width = var_GetInteger( p_vout, "snapshot-width" );
452 const int i_override_height = var_GetInteger( p_vout, "snapshot-height" );
454 if( picture_Export( VLC_OBJECT(p_vout), pp_image, p_fmt,
455 p_picture, i_format, i_override_width, i_override_height ) )
457 msg_Err( p_vout, "Failed to convert image for snapshot" );
458 picture_Release( p_picture );
463 *pp_picture = p_picture;
465 picture_Release( p_picture );
470 * This function will handle a snapshot request
472 static void VoutSaveSnapshot( vout_thread_t *p_vout )
474 char *psz_path = var_GetNonEmptyString( p_vout, "snapshot-path" );
475 char *psz_format = var_GetNonEmptyString( p_vout, "snapshot-format" );
476 char *psz_prefix = var_GetNonEmptyString( p_vout, "snapshot-prefix" );
479 picture_t *p_picture;
484 * XXX it will cause trouble with low fps video (< 2fps) */
485 if( vout_GetSnapshot( p_vout, &p_image, &p_picture, &fmt, psz_format, 500*1000 ) )
494 psz_path = vout_snapshot_GetDirectory();
497 msg_Err( p_vout, "no path specified for snapshots" );
502 vout_snapshot_save_cfg_t cfg;
503 memset( &cfg, 0, sizeof(cfg) );
504 cfg.is_sequential = var_GetBool( p_vout, "snapshot-sequential" );
505 cfg.sequence = var_GetInteger( p_vout, "snapshot-num" );
507 cfg.format = psz_format;
508 cfg.prefix_fmt = psz_prefix;
512 if (vout_snapshot_SaveImage( &psz_filename, &i_sequence,
513 p_image, VLC_OBJECT(p_vout), &cfg ) )
515 if( cfg.is_sequential )
516 var_SetInteger( p_vout, "snapshot-num", i_sequence + 1 );
518 VoutOsdSnapshot( p_vout, p_picture, psz_filename );
520 /* signal creation of a new snapshot file */
521 var_SetString( p_vout->p_libvlc, "snapshot-file", psz_filename );
523 free( psz_filename );
527 block_Release( p_image );
529 picture_Release( p_picture );
535 /*****************************************************************************
537 *****************************************************************************/
539 void vout_EnableFilter( vout_thread_t *p_vout, const char *psz_name,
540 bool b_add, bool b_setconfig )
544 const char *psz_filter_type;
546 /* FIXME temporary hack */
547 const char *psz_module_name = psz_name;
548 if( !strcmp( psz_name, "magnify" ) ||
549 !strcmp( psz_name, "puzzle" ) ||
550 !strcmp( psz_name, "logo" ) ||
551 !strcmp( psz_name, "wall" ) ||
552 !strcmp( psz_name, "clone" ) )
553 psz_module_name = "video_filter_wrapper";
555 module_t *p_obj = module_find( psz_module_name );
558 msg_Err( p_vout, "Unable to find filter module \"%s\".", psz_name );
562 if( module_provides( p_obj, "video filter" ) )
564 psz_filter_type = "vout-filter";
566 else if( module_provides( p_obj, "video filter2" ) )
568 psz_filter_type = "video-filter";
570 else if( module_provides( p_obj, "sub filter" ) )
572 psz_filter_type = "sub-filter";
576 module_release( p_obj );
577 msg_Err( p_vout, "Unknown video filter type." );
580 module_release( p_obj );
582 psz_string = var_GetString( p_vout, psz_filter_type );
584 /* Todo : Use some generic chain manipulation functions */
585 if( !psz_string ) psz_string = strdup("");
587 psz_parser = strstr( psz_string, psz_name );
592 psz_parser = psz_string;
593 if( asprintf( &psz_string, (*psz_string) ? "%s:%s" : "%s%s",
594 psz_string, psz_name ) == -1 )
608 memmove( psz_parser, psz_parser + strlen(psz_name) +
609 (*(psz_parser + strlen(psz_name)) == ':' ? 1 : 0 ),
610 strlen(psz_parser + strlen(psz_name)) + 1 );
612 /* Remove trailing : : */
613 if( *(psz_string+strlen(psz_string ) -1 ) == ':' )
615 *(psz_string+strlen(psz_string ) -1 ) = '\0';
627 config_PutPsz( p_vout, psz_filter_type, psz_string );
630 var_SetString( p_vout, psz_filter_type, psz_string );
635 /*****************************************************************************
636 * Object variables callbacks
637 *****************************************************************************/
638 static int ZoomCallback( vlc_object_t *p_this, char const *psz_cmd,
639 vlc_value_t oldval, vlc_value_t newval, void *p_data )
641 (void)psz_cmd; (void)oldval; (void)p_data;
643 return var_SetFloat( p_this, "scale", newval.f_float );
646 static int CropCallback( vlc_object_t *object, char const *cmd,
647 vlc_value_t oldval, vlc_value_t newval, void *data )
649 vout_thread_t *vout = (vout_thread_t *)object;
650 VLC_UNUSED(cmd); VLC_UNUSED(oldval); VLC_UNUSED(data);
653 unsigned width, height;
654 unsigned left, top, right, bottom;
656 if (sscanf(newval.psz_string, "%u:%u", &num, &den) == 2) {
657 vout_ControlChangeCropRatio(vout, num, den);
658 } else if (sscanf(newval.psz_string, "%ux%u+%u+%u",
659 &width, &height, &x, &y) == 4) {
660 vout_ControlChangeCropWindow(vout, x, y, width, height);
661 } else if (sscanf(newval.psz_string, "%u+%u+%u+%u",
662 &left, &top, &right, &bottom) == 4) {
663 vout_ControlChangeCropBorder(vout, left, top, right, bottom);
664 } else if (*newval.psz_string == '\0') {
665 vout_ControlChangeCropRatio(vout, 0, 0);
667 msg_Err(object, "Unknown crop format (%s)", newval.psz_string);
672 static int CropBorderCallback(vlc_object_t *object, char const *cmd,
673 vlc_value_t oldval, vlc_value_t newval, void *data)
675 vout_thread_t *vout = (vout_thread_t *)object;
676 VLC_UNUSED(cmd); VLC_UNUSED(oldval); VLC_UNUSED(data); VLC_UNUSED(newval);
678 vout_ControlChangeCropBorder(vout,
679 var_GetInteger(object, "crop-left"),
680 var_GetInteger(object, "crop-top"),
681 var_GetInteger(object, "crop-right"),
682 var_GetInteger(object, "crop-bottom"));
686 static int AspectCallback( vlc_object_t *object, char const *cmd,
687 vlc_value_t oldval, vlc_value_t newval, void *data )
689 vout_thread_t *vout = (vout_thread_t *)object;
690 VLC_UNUSED(cmd); VLC_UNUSED(oldval); VLC_UNUSED(data);
693 if (sscanf(newval.psz_string, "%u:%u", &num, &den) == 2 &&
694 (num > 0) == (den > 0))
695 vout_ControlChangeSampleAspectRatio(vout, num, den);
696 else if (*newval.psz_string == '\0')
697 vout_ControlChangeSampleAspectRatio(vout, 0, 0);
701 static int ScalingCallback( vlc_object_t *p_this, char const *psz_cmd,
702 vlc_value_t oldval, vlc_value_t newval, void *p_data )
704 vout_thread_t *p_vout = (vout_thread_t *)p_this;
705 (void)oldval; (void)newval; (void)p_data;
707 if( !strcmp( psz_cmd, "autoscale" ) )
708 vout_ControlChangeDisplayFilled( p_vout, newval.b_bool );
709 else if( !strcmp( psz_cmd, "scale" ) )
710 vout_ControlChangeZoom( p_vout, 1000 * newval.f_float, 1000 );
715 static int OnTopCallback( vlc_object_t *p_this, char const *psz_cmd,
716 vlc_value_t oldval, vlc_value_t newval, void *p_data )
718 vout_thread_t *p_vout = (vout_thread_t *)p_this;
719 (void)psz_cmd; (void)oldval; (void)p_data;
721 vout_ControlChangeOnTop( p_vout, newval.b_bool );
725 static int FullscreenCallback( vlc_object_t *p_this, char const *psz_cmd,
726 vlc_value_t oldval, vlc_value_t newval, void *p_data )
728 vout_thread_t *p_vout = (vout_thread_t *)p_this;
729 (void)psz_cmd; (void)p_data;
731 if( oldval.b_bool != newval.b_bool )
732 vout_ControlChangeFullscreen( p_vout, newval.b_bool );
736 static int SnapshotCallback( vlc_object_t *p_this, char const *psz_cmd,
737 vlc_value_t oldval, vlc_value_t newval, void *p_data )
739 vout_thread_t *p_vout = (vout_thread_t *)p_this;
740 VLC_UNUSED(psz_cmd); VLC_UNUSED(oldval);
741 VLC_UNUSED(newval); VLC_UNUSED(p_data);
743 VoutSaveSnapshot( p_vout );
747 static int VideoFilterCallback( vlc_object_t *p_this, char const *psz_cmd,
748 vlc_value_t oldval, vlc_value_t newval, void *p_data)
750 vout_thread_t *p_vout = (vout_thread_t *)p_this;
751 VLC_UNUSED(psz_cmd); VLC_UNUSED(oldval); VLC_UNUSED(p_data);
753 vout_ControlChangeFilters( p_vout, newval.psz_string );
757 static int VideoSplitterCallback( vlc_object_t *p_this, char const *psz_cmd,
758 vlc_value_t oldval, vlc_value_t newval, void *p_data )
760 vout_thread_t *p_vout = (vout_thread_t *)p_this;
761 input_thread_t *p_input;
762 (void)psz_cmd; (void)oldval; (void)p_data;
764 p_input = (input_thread_t *)vlc_object_find( p_this, VLC_OBJECT_INPUT,
768 msg_Err( p_vout, "Input not found" );
772 /* Modify input as well because the vout might have to be restarted */
773 var_Create( p_input, "vout-filter", VLC_VAR_STRING );
774 var_SetString( p_input, "vout-filter", newval.psz_string );
776 /* Now restart current video stream */
777 input_Control( p_input, INPUT_RESTART_ES, -VIDEO_ES );
778 vlc_object_release( p_input );
783 static int SubFilterCallback( vlc_object_t *p_this, char const *psz_cmd,
784 vlc_value_t oldval, vlc_value_t newval, void *p_data)
786 vout_thread_t *p_vout = (vout_thread_t *)p_this;
787 VLC_UNUSED(psz_cmd); VLC_UNUSED(oldval); VLC_UNUSED(p_data);
789 vout_ControlChangeSubFilters( p_vout, newval.psz_string );
793 static int TitleShowCallback( vlc_object_t *p_this, char const *psz_cmd,
794 vlc_value_t oldval, vlc_value_t newval, void *p_data )
796 VLC_UNUSED(psz_cmd); VLC_UNUSED(oldval);
798 vout_thread_t *p_vout = (vout_thread_t *)p_this;
799 p_vout->p->title.show = newval.b_bool;
803 static int TitleTimeoutCallback( vlc_object_t *p_this, char const *psz_cmd,
804 vlc_value_t oldval, vlc_value_t newval, void *p_data )
806 VLC_UNUSED(psz_cmd); VLC_UNUSED(oldval); VLC_UNUSED(p_data);
807 vout_thread_t *p_vout = (vout_thread_t *)p_this;
808 p_vout->p->title.timeout = (mtime_t) newval.i_int;
812 static int TitlePositionCallback( vlc_object_t *p_this, char const *psz_cmd,
813 vlc_value_t oldval, vlc_value_t newval, void *p_data )
815 VLC_UNUSED(psz_cmd); VLC_UNUSED(oldval);
817 vout_thread_t *p_vout = (vout_thread_t *)p_this;
818 p_vout->p->title.position = newval.i_int;