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() */
37 #include <vlc_block.h>
38 #include <vlc_modules.h>
41 #include <vlc_vout_osd.h>
42 #include <vlc_strings.h>
43 #include <vlc_charset.h>
44 #include "vout_internal.h"
46 /*****************************************************************************
48 *****************************************************************************/
49 /* Object variables callbacks */
50 static int ZoomCallback( vlc_object_t *, char const *,
51 vlc_value_t, vlc_value_t, void * );
52 static int CropCallback( vlc_object_t *, char const *,
53 vlc_value_t, vlc_value_t, void * );
54 static int CropBorderCallback( vlc_object_t *, char const *,
55 vlc_value_t, vlc_value_t, void * );
56 static int AspectCallback( vlc_object_t *, char const *,
57 vlc_value_t, vlc_value_t, void * );
58 static int ScalingCallback( vlc_object_t *, char const *,
59 vlc_value_t, vlc_value_t, void * );
60 static int OnTopCallback( vlc_object_t *, char const *,
61 vlc_value_t, vlc_value_t, void * );
62 static int FullscreenCallback( vlc_object_t *, char const *,
63 vlc_value_t, vlc_value_t, void * );
64 static int SnapshotCallback( vlc_object_t *, char const *,
65 vlc_value_t, vlc_value_t, void * );
66 static int VideoFilterCallback( vlc_object_t *, char const *,
67 vlc_value_t, vlc_value_t, void * );
68 static int SubSourceCallback( vlc_object_t *, char const *,
69 vlc_value_t, vlc_value_t, void * );
70 static int SubFilterCallback( vlc_object_t *, char const *,
71 vlc_value_t, vlc_value_t, void * );
72 static int SubMarginCallback( vlc_object_t *, char const *,
73 vlc_value_t, vlc_value_t, void * );
75 /*****************************************************************************
76 * vout_IntfInit: called during the vout creation to initialise misc things.
77 *****************************************************************************/
81 const char *psz_label;
83 { 0.25, N_("1:4 Quarter") },
84 { 0.5, N_("1:2 Half") },
85 { 1, N_("1:1 Original") },
86 { 2, N_("2:1 Double") },
91 const char *psz_value;
92 const char *psz_label;
94 { "", N_("Default") },
97 { "185:100", "1.85:1" },
98 { "221:100", "2.21:1" },
99 { "235:100", "2.35:1" },
100 { "239:100", "2.39:1" },
109 const char *psz_value;
110 const char *psz_label;
111 } p_aspect_ratio_values[] = {
112 { "", N_("Default") },
116 { "16:10", "16:10" },
117 { "221:100", "2.21:1" },
118 { "235:100", "2.35:1" },
119 { "239:100", "2.39:1" },
123 static void AddCustomRatios( vout_thread_t *p_vout, const char *psz_var,
128 char *psz_cur = psz_list;
130 while( psz_cur && *psz_cur )
132 vlc_value_t val, text;
133 psz_next = strchr( psz_cur, ',' );
139 val.psz_string = psz_cur;
140 text.psz_string = psz_cur;
141 var_Change( p_vout, psz_var, VLC_VAR_ADDCHOICE, &val, &text);
146 void vout_IntfInit( vout_thread_t *p_vout )
148 vlc_value_t val, text, old_val;
152 /* Create a few object variables we'll need later on */
153 var_Create( p_vout, "snapshot-path", VLC_VAR_STRING | VLC_VAR_DOINHERIT );
154 var_Create( p_vout, "snapshot-prefix", VLC_VAR_STRING | VLC_VAR_DOINHERIT );
155 var_Create( p_vout, "snapshot-format", VLC_VAR_STRING | VLC_VAR_DOINHERIT );
156 var_Create( p_vout, "snapshot-preview", VLC_VAR_BOOL | VLC_VAR_DOINHERIT );
157 var_Create( p_vout, "snapshot-sequential",
158 VLC_VAR_BOOL | VLC_VAR_DOINHERIT );
159 var_Create( p_vout, "snapshot-num", VLC_VAR_INTEGER );
160 var_SetInteger( p_vout, "snapshot-num", 1 );
161 var_Create( p_vout, "snapshot-width", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
162 var_Create( p_vout, "snapshot-height", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
164 var_Create( p_vout, "width", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
165 var_Create( p_vout, "height", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
166 var_Create( p_vout, "align", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
168 var_Create( p_vout, "video-x", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
169 var_Create( p_vout, "video-y", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
171 var_Create( p_vout, "mouse-hide-timeout",
172 VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
174 var_Create( p_vout, "video-title-show", VLC_VAR_BOOL | VLC_VAR_DOINHERIT );
175 var_Create( p_vout, "video-title-timeout", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
176 var_Create( p_vout, "video-title-position", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
178 /* Zoom object var */
179 var_Create( p_vout, "zoom", VLC_VAR_FLOAT | VLC_VAR_ISCOMMAND |
180 VLC_VAR_HASCHOICE | VLC_VAR_DOINHERIT );
182 text.psz_string = _("Zoom");
183 var_Change( p_vout, "zoom", VLC_VAR_SETTEXT, &text, NULL );
185 var_Get( p_vout, "zoom", &old_val );
187 for( i = 0; p_zoom_values[i].f_value; i++ )
189 if( old_val.f_float == p_zoom_values[i].f_value )
190 var_Change( p_vout, "zoom", VLC_VAR_DELCHOICE, &old_val, NULL );
191 val.f_float = p_zoom_values[i].f_value;
192 text.psz_string = _( p_zoom_values[i].psz_label );
193 var_Change( p_vout, "zoom", VLC_VAR_ADDCHOICE, &val, &text );
196 var_Set( p_vout, "zoom", old_val ); /* Is this really needed? */
198 var_AddCallback( p_vout, "zoom", ZoomCallback, NULL );
200 /* Crop offset vars */
201 var_Create( p_vout, "crop-left", VLC_VAR_INTEGER | VLC_VAR_ISCOMMAND );
202 var_Create( p_vout, "crop-top", VLC_VAR_INTEGER | VLC_VAR_ISCOMMAND );
203 var_Create( p_vout, "crop-right", VLC_VAR_INTEGER | VLC_VAR_ISCOMMAND );
204 var_Create( p_vout, "crop-bottom", VLC_VAR_INTEGER | VLC_VAR_ISCOMMAND );
206 var_AddCallback( p_vout, "crop-left", CropBorderCallback, NULL );
207 var_AddCallback( p_vout, "crop-top", CropBorderCallback, NULL );
208 var_AddCallback( p_vout, "crop-right", CropBorderCallback, NULL );
209 var_AddCallback( p_vout, "crop-bottom", CropBorderCallback, NULL );
211 /* Crop object var */
212 var_Create( p_vout, "crop", VLC_VAR_STRING | VLC_VAR_ISCOMMAND |
213 VLC_VAR_HASCHOICE | VLC_VAR_DOINHERIT );
215 text.psz_string = _("Crop");
216 var_Change( p_vout, "crop", VLC_VAR_SETTEXT, &text, NULL );
218 val.psz_string = (char*)"";
219 var_Change( p_vout, "crop", VLC_VAR_DELCHOICE, &val, 0 );
221 for( i = 0; p_crop_values[i].psz_value; i++ )
223 val.psz_string = (char*)p_crop_values[i].psz_value;
224 text.psz_string = _( p_crop_values[i].psz_label );
225 var_Change( p_vout, "crop", VLC_VAR_ADDCHOICE, &val, &text );
228 /* Add custom crop ratios */
229 psz_buf = var_CreateGetNonEmptyString( p_vout, "custom-crop-ratios" );
232 AddCustomRatios( p_vout, "crop", psz_buf );
236 var_AddCallback( p_vout, "crop", CropCallback, NULL );
237 var_Get( p_vout, "crop", &old_val );
238 if( old_val.psz_string && *old_val.psz_string )
239 var_TriggerCallback( p_vout, "crop" );
240 free( old_val.psz_string );
242 /* Monitor pixel aspect-ratio */
243 var_Create( p_vout, "monitor-par", VLC_VAR_STRING | VLC_VAR_DOINHERIT );
245 /* Aspect-ratio object var */
246 var_Create( p_vout, "aspect-ratio", VLC_VAR_STRING | VLC_VAR_ISCOMMAND |
247 VLC_VAR_HASCHOICE | VLC_VAR_DOINHERIT );
249 text.psz_string = _("Aspect-ratio");
250 var_Change( p_vout, "aspect-ratio", VLC_VAR_SETTEXT, &text, NULL );
252 val.psz_string = (char*)"";
253 var_Change( p_vout, "aspect-ratio", VLC_VAR_DELCHOICE, &val, 0 );
255 for( i = 0; p_aspect_ratio_values[i].psz_value; i++ )
257 val.psz_string = (char*)p_aspect_ratio_values[i].psz_value;
258 text.psz_string = _( p_aspect_ratio_values[i].psz_label );
259 var_Change( p_vout, "aspect-ratio", VLC_VAR_ADDCHOICE, &val, &text );
262 /* Add custom aspect ratios */
263 psz_buf = var_CreateGetNonEmptyString( p_vout, "custom-aspect-ratios" );
266 AddCustomRatios( p_vout, "aspect-ratio", psz_buf );
270 var_AddCallback( p_vout, "aspect-ratio", AspectCallback, NULL );
271 var_Get( p_vout, "aspect-ratio", &old_val );
272 if( (old_val.psz_string && *old_val.psz_string) )
273 var_TriggerCallback( p_vout, "aspect-ratio" );
274 free( old_val.psz_string );
276 /* Add variables to manage scaling video */
277 var_Create( p_vout, "autoscale", VLC_VAR_BOOL | VLC_VAR_DOINHERIT
278 | VLC_VAR_ISCOMMAND );
279 text.psz_string = _("Autoscale video");
280 var_Change( p_vout, "autoscale", VLC_VAR_SETTEXT, &text, NULL );
281 var_AddCallback( p_vout, "autoscale", ScalingCallback, NULL );
283 var_Create( p_vout, "scale", VLC_VAR_FLOAT | VLC_VAR_DOINHERIT
284 | VLC_VAR_ISCOMMAND );
285 text.psz_string = _("Scale factor");
286 var_Change( p_vout, "scale", VLC_VAR_SETTEXT, &text, NULL );
287 var_AddCallback( p_vout, "scale", ScalingCallback, NULL );
289 /* Add a variable to indicate if the window should be on top of others */
290 var_Create( p_vout, "video-on-top", VLC_VAR_BOOL | VLC_VAR_DOINHERIT
291 | VLC_VAR_ISCOMMAND );
292 text.psz_string = _("Always on top");
293 var_Change( p_vout, "video-on-top", VLC_VAR_SETTEXT, &text, NULL );
294 var_AddCallback( p_vout, "video-on-top", OnTopCallback, NULL );
295 var_TriggerCallback( p_vout, "video-on-top" );
297 /* Add a variable to indicate whether we want window decoration or not */
298 var_Create( p_vout, "video-deco", VLC_VAR_BOOL | VLC_VAR_DOINHERIT );
300 /* Add a fullscreen variable */
301 var_Create( p_vout, "fullscreen",
302 VLC_VAR_BOOL | VLC_VAR_DOINHERIT | VLC_VAR_ISCOMMAND );
303 text.psz_string = _("Fullscreen");
304 var_Change( p_vout, "fullscreen", VLC_VAR_SETTEXT, &text, NULL );
305 var_AddCallback( p_vout, "fullscreen", FullscreenCallback, NULL );
307 /* Add a snapshot variable */
308 var_Create( p_vout, "video-snapshot", VLC_VAR_VOID | VLC_VAR_ISCOMMAND );
309 text.psz_string = _("Snapshot");
310 var_Change( p_vout, "video-snapshot", VLC_VAR_SETTEXT, &text, NULL );
311 var_AddCallback( p_vout, "video-snapshot", SnapshotCallback, NULL );
313 /* Add a video-filter variable */
314 var_Create( p_vout, "video-filter",
315 VLC_VAR_STRING | VLC_VAR_DOINHERIT | VLC_VAR_ISCOMMAND );
316 var_AddCallback( p_vout, "video-filter", VideoFilterCallback, NULL );
317 var_TriggerCallback( p_vout, "video-filter" );
319 /* Add a sub-source variable */
320 var_Create( p_vout, "sub-source",
321 VLC_VAR_STRING | VLC_VAR_DOINHERIT | VLC_VAR_ISCOMMAND );
322 var_AddCallback( p_vout, "sub-source", SubSourceCallback, NULL );
323 var_TriggerCallback( p_vout, "sub-source" );
325 /* Add a sub-filter variable */
326 var_Create( p_vout, "sub-filter",
327 VLC_VAR_STRING | VLC_VAR_DOINHERIT | VLC_VAR_ISCOMMAND );
328 var_AddCallback( p_vout, "sub-filter", SubFilterCallback, NULL );
329 var_TriggerCallback( p_vout, "sub-filter" );
331 /* Add sub-margin variable */
332 var_Create( p_vout, "sub-margin",
333 VLC_VAR_INTEGER | VLC_VAR_DOINHERIT | VLC_VAR_ISCOMMAND );
334 var_AddCallback( p_vout, "sub-margin", SubMarginCallback, NULL );
335 var_TriggerCallback( p_vout, "sub-margin" );
337 /* Mouse coordinates */
338 var_Create( p_vout, "mouse-button-down", VLC_VAR_INTEGER );
339 var_Create( p_vout, "mouse-moved", VLC_VAR_COORDS );
340 var_Create( p_vout, "mouse-clicked", VLC_VAR_COORDS );
341 var_Create( p_vout, "mouse-object", VLC_VAR_BOOL );
344 /*****************************************************************************
345 * vout_Snapshot: generates a snapshot.
346 *****************************************************************************/
348 * This function will inject a subpicture into the vout with the provided
351 static int VoutSnapshotPip( vout_thread_t *p_vout, picture_t *p_pic )
353 subpicture_t *p_subpic = subpicture_NewFromPicture( VLC_OBJECT(p_vout),
354 p_pic, VLC_CODEC_YUVA );
358 /* FIXME SPU_DEFAULT_CHANNEL is not good (used by the text) but
359 * hardcoded 0 doesn't seem right */
360 p_subpic->i_channel = 0;
361 p_subpic->i_start = mdate();
362 p_subpic->i_stop = p_subpic->i_start + 4000000;
363 p_subpic->b_ephemer = true;
364 p_subpic->b_fade = true;
366 /* Reduce the picture to 1/4^2 of the screen */
367 p_subpic->i_original_picture_width *= 4;
368 p_subpic->i_original_picture_height *= 4;
370 vout_PutSubpicture( p_vout, p_subpic );
375 * This function will display the name and a PIP of the provided snapshot
377 static void VoutOsdSnapshot( vout_thread_t *p_vout, picture_t *p_pic, const char *psz_filename )
379 msg_Dbg( p_vout, "snapshot taken (%s)", psz_filename );
380 vout_OSDMessage( p_vout, SPU_DEFAULT_CHANNEL, "%s", psz_filename );
382 if( var_GetBool( p_vout, "snapshot-preview" ) )
384 if( VoutSnapshotPip( p_vout, p_pic ) )
385 msg_Warn( p_vout, "Failed to display snapshot" );
390 * This function will handle a snapshot request
392 static void VoutSaveSnapshot( vout_thread_t *p_vout )
394 char *psz_path = var_GetNonEmptyString( p_vout, "snapshot-path" );
395 char *psz_format = var_GetNonEmptyString( p_vout, "snapshot-format" );
396 char *psz_prefix = var_GetNonEmptyString( p_vout, "snapshot-prefix" );
399 picture_t *p_picture;
404 * XXX it will cause trouble with low fps video (< 2fps) */
405 if( vout_GetSnapshot( p_vout, &p_image, &p_picture, &fmt, psz_format, 500*1000 ) )
414 psz_path = vout_snapshot_GetDirectory();
417 msg_Err( p_vout, "no path specified for snapshots" );
422 vout_snapshot_save_cfg_t cfg;
423 memset( &cfg, 0, sizeof(cfg) );
424 cfg.is_sequential = var_GetBool( p_vout, "snapshot-sequential" );
425 cfg.sequence = var_GetInteger( p_vout, "snapshot-num" );
427 cfg.format = psz_format;
428 cfg.prefix_fmt = psz_prefix;
432 if (vout_snapshot_SaveImage( &psz_filename, &i_sequence,
433 p_image, VLC_OBJECT(p_vout), &cfg ) )
435 if( cfg.is_sequential )
436 var_SetInteger( p_vout, "snapshot-num", i_sequence + 1 );
438 VoutOsdSnapshot( p_vout, p_picture, psz_filename );
440 /* signal creation of a new snapshot file */
441 var_SetString( p_vout->p_libvlc, "snapshot-file", psz_filename );
443 free( psz_filename );
447 block_Release( p_image );
449 picture_Release( p_picture );
455 /*****************************************************************************
457 *****************************************************************************/
459 void vout_EnableFilter( vout_thread_t *p_vout, const char *psz_name,
460 bool b_add, bool b_setconfig )
464 const char *psz_filter_type;
466 module_t *p_obj = module_find( psz_name );
469 msg_Err( p_vout, "Unable to find filter module \"%s\".", psz_name );
473 if( module_provides( p_obj, "video filter2" ) )
475 psz_filter_type = "video-filter";
477 else if( module_provides( p_obj, "sub source" ) )
479 psz_filter_type = "sub-source";
481 else if( module_provides( p_obj, "sub filter" ) )
483 psz_filter_type = "sub-filter";
487 msg_Err( p_vout, "Unknown video filter type." );
491 psz_string = var_GetString( p_vout, psz_filter_type );
493 /* Todo : Use some generic chain manipulation functions */
494 if( !psz_string ) psz_string = strdup("");
496 psz_parser = strstr( psz_string, psz_name );
501 psz_parser = psz_string;
502 if( asprintf( &psz_string, (*psz_string) ? "%s:%s" : "%s%s",
503 psz_string, psz_name ) == -1 )
517 memmove( psz_parser, psz_parser + strlen(psz_name) +
518 (*(psz_parser + strlen(psz_name)) == ':' ? 1 : 0 ),
519 strlen(psz_parser + strlen(psz_name)) + 1 );
521 /* Remove trailing : : */
522 if( *(psz_string+strlen(psz_string ) -1 ) == ':' )
524 *(psz_string+strlen(psz_string ) -1 ) = '\0';
536 config_PutPsz( p_vout, psz_filter_type, psz_string );
539 var_SetString( p_vout, psz_filter_type, psz_string );
544 /*****************************************************************************
545 * Object variables callbacks
546 *****************************************************************************/
547 static int ZoomCallback( vlc_object_t *p_this, char const *psz_cmd,
548 vlc_value_t oldval, vlc_value_t newval, void *p_data )
550 (void)psz_cmd; (void)oldval; (void)p_data;
552 return var_SetFloat( p_this, "scale", newval.f_float );
555 static int CropCallback( vlc_object_t *object, char const *cmd,
556 vlc_value_t oldval, vlc_value_t newval, void *data )
558 vout_thread_t *vout = (vout_thread_t *)object;
559 VLC_UNUSED(cmd); VLC_UNUSED(oldval); VLC_UNUSED(data);
562 unsigned width, height;
563 unsigned left, top, right, bottom;
565 if (sscanf(newval.psz_string, "%u:%u", &num, &den) == 2) {
566 vout_ControlChangeCropRatio(vout, num, den);
567 } else if (sscanf(newval.psz_string, "%ux%u+%u+%u",
568 &width, &height, &x, &y) == 4) {
569 vout_ControlChangeCropWindow(vout, x, y, width, height);
570 } else if (sscanf(newval.psz_string, "%u+%u+%u+%u",
571 &left, &top, &right, &bottom) == 4) {
572 vout_ControlChangeCropBorder(vout, left, top, right, bottom);
573 } else if (*newval.psz_string == '\0') {
574 vout_ControlChangeCropRatio(vout, 0, 0);
576 msg_Err(object, "Unknown crop format (%s)", newval.psz_string);
581 static int CropBorderCallback(vlc_object_t *object, char const *cmd,
582 vlc_value_t oldval, vlc_value_t newval, void *data)
584 vout_thread_t *vout = (vout_thread_t *)object;
585 VLC_UNUSED(cmd); VLC_UNUSED(oldval); VLC_UNUSED(data); VLC_UNUSED(newval);
587 vout_ControlChangeCropBorder(vout,
588 var_GetInteger(object, "crop-left"),
589 var_GetInteger(object, "crop-top"),
590 var_GetInteger(object, "crop-right"),
591 var_GetInteger(object, "crop-bottom"));
595 static int AspectCallback( vlc_object_t *object, char const *cmd,
596 vlc_value_t oldval, vlc_value_t newval, void *data )
598 vout_thread_t *vout = (vout_thread_t *)object;
599 VLC_UNUSED(cmd); VLC_UNUSED(oldval); VLC_UNUSED(data);
602 if (sscanf(newval.psz_string, "%u:%u", &num, &den) == 2 &&
603 (num > 0) == (den > 0))
604 vout_ControlChangeSampleAspectRatio(vout, num, den);
605 else if (*newval.psz_string == '\0')
606 vout_ControlChangeSampleAspectRatio(vout, 0, 0);
610 static int ScalingCallback( vlc_object_t *p_this, char const *psz_cmd,
611 vlc_value_t oldval, vlc_value_t newval, void *p_data )
613 vout_thread_t *p_vout = (vout_thread_t *)p_this;
614 (void)oldval; (void)newval; (void)p_data;
616 if( !strcmp( psz_cmd, "autoscale" ) )
617 vout_ControlChangeDisplayFilled( p_vout, newval.b_bool );
618 else if( !strcmp( psz_cmd, "scale" ) )
619 vout_ControlChangeZoom( p_vout, 1000 * newval.f_float, 1000 );
624 static int OnTopCallback( vlc_object_t *p_this, char const *psz_cmd,
625 vlc_value_t oldval, vlc_value_t newval, void *p_data )
627 vout_thread_t *p_vout = (vout_thread_t *)p_this;
628 (void)psz_cmd; (void)oldval; (void)p_data;
630 vout_ControlChangeOnTop( p_vout, newval.b_bool );
634 static int FullscreenCallback( vlc_object_t *p_this, char const *psz_cmd,
635 vlc_value_t oldval, vlc_value_t newval, void *p_data )
637 vout_thread_t *p_vout = (vout_thread_t *)p_this;
638 (void)psz_cmd; (void)p_data;
640 if( oldval.b_bool != newval.b_bool )
641 vout_ControlChangeFullscreen( p_vout, newval.b_bool );
645 static int SnapshotCallback( vlc_object_t *p_this, char const *psz_cmd,
646 vlc_value_t oldval, vlc_value_t newval, void *p_data )
648 vout_thread_t *p_vout = (vout_thread_t *)p_this;
649 VLC_UNUSED(psz_cmd); VLC_UNUSED(oldval);
650 VLC_UNUSED(newval); VLC_UNUSED(p_data);
652 VoutSaveSnapshot( p_vout );
656 static int VideoFilterCallback( vlc_object_t *p_this, char const *psz_cmd,
657 vlc_value_t oldval, vlc_value_t newval, void *p_data)
659 vout_thread_t *p_vout = (vout_thread_t *)p_this;
660 VLC_UNUSED(psz_cmd); VLC_UNUSED(oldval); VLC_UNUSED(p_data);
662 vout_ControlChangeFilters( p_vout, newval.psz_string );
666 static int SubSourceCallback( vlc_object_t *p_this, char const *psz_cmd,
667 vlc_value_t oldval, vlc_value_t newval, void *p_data)
669 vout_thread_t *p_vout = (vout_thread_t *)p_this;
670 VLC_UNUSED(psz_cmd); VLC_UNUSED(oldval); VLC_UNUSED(p_data);
672 vout_ControlChangeSubSources( p_vout, newval.psz_string );
676 static int SubFilterCallback( vlc_object_t *p_this, char const *psz_cmd,
677 vlc_value_t oldval, vlc_value_t newval, void *p_data)
679 vout_thread_t *p_vout = (vout_thread_t *)p_this;
680 VLC_UNUSED(psz_cmd); VLC_UNUSED(oldval); VLC_UNUSED(p_data);
682 vout_ControlChangeSubFilters( p_vout, newval.psz_string );
686 static int SubMarginCallback( vlc_object_t *p_this, char const *psz_cmd,
687 vlc_value_t oldval, vlc_value_t newval, void *p_data)
689 vout_thread_t *p_vout = (vout_thread_t *)p_this;
690 VLC_UNUSED(psz_cmd); VLC_UNUSED(oldval); VLC_UNUSED(p_data);
692 vout_ControlChangeSubMargin( p_vout, newval.i_int );