1 /*****************************************************************************
2 * vout_intf.c : video output interface
3 *****************************************************************************
4 * Copyright (C) 2000-2007 VLC authors and VideoLAN
6 * Authors: Gildas Bazin <gbazin@videolan.org>
8 * This program is free software; you can redistribute it and/or modify it
9 * under the terms of the GNU Lesser General Public License as published by
10 * the Free Software Foundation; either version 2.1 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 Lesser General Public License for more details.
18 * You should have received a copy of the GNU Lesser General Public License
19 * along with this program; if not, write to the Free Software Foundation,
20 * 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 *****************************************************************************/
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") },
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" },
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;
151 /* Create a few object variables we'll need later on */
152 var_Create( p_vout, "snapshot-path", VLC_VAR_STRING | VLC_VAR_DOINHERIT );
153 var_Create( p_vout, "snapshot-prefix", VLC_VAR_STRING | VLC_VAR_DOINHERIT );
154 var_Create( p_vout, "snapshot-format", VLC_VAR_STRING | VLC_VAR_DOINHERIT );
155 var_Create( p_vout, "snapshot-preview", VLC_VAR_BOOL | VLC_VAR_DOINHERIT );
156 var_Create( p_vout, "snapshot-sequential",
157 VLC_VAR_BOOL | VLC_VAR_DOINHERIT );
158 var_Create( p_vout, "snapshot-num", VLC_VAR_INTEGER );
159 var_SetInteger( p_vout, "snapshot-num", 1 );
160 var_Create( p_vout, "snapshot-width", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
161 var_Create( p_vout, "snapshot-height", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
163 var_Create( p_vout, "width", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
164 var_Create( p_vout, "height", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
165 var_Create( p_vout, "align", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
167 var_Create( p_vout, "video-x", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
168 var_Create( p_vout, "video-y", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
170 var_Create( p_vout, "mouse-hide-timeout",
171 VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
173 var_Create( p_vout, "video-title-show", VLC_VAR_BOOL | VLC_VAR_DOINHERIT );
174 var_Create( p_vout, "video-title-timeout", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
175 var_Create( p_vout, "video-title-position", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
177 /* Zoom object var */
178 var_Create( p_vout, "zoom", VLC_VAR_FLOAT | VLC_VAR_ISCOMMAND |
179 VLC_VAR_HASCHOICE | VLC_VAR_DOINHERIT );
181 text.psz_string = _("Zoom");
182 var_Change( p_vout, "zoom", VLC_VAR_SETTEXT, &text, NULL );
184 var_Get( p_vout, "zoom", &old_val );
186 for( size_t i = 0; i < ARRAY_SIZE(p_zoom_values); i++ )
188 if( old_val.f_float == p_zoom_values[i].f_value )
189 var_Change( p_vout, "zoom", VLC_VAR_DELCHOICE, &old_val, NULL );
190 val.f_float = p_zoom_values[i].f_value;
191 text.psz_string = _( p_zoom_values[i].psz_label );
192 var_Change( p_vout, "zoom", VLC_VAR_ADDCHOICE, &val, &text );
195 var_Set( p_vout, "zoom", old_val ); /* Is this really needed? */
197 var_AddCallback( p_vout, "zoom", ZoomCallback, NULL );
199 /* Crop offset vars */
200 var_Create( p_vout, "crop-left", VLC_VAR_INTEGER | VLC_VAR_ISCOMMAND );
201 var_Create( p_vout, "crop-top", VLC_VAR_INTEGER | VLC_VAR_ISCOMMAND );
202 var_Create( p_vout, "crop-right", VLC_VAR_INTEGER | VLC_VAR_ISCOMMAND );
203 var_Create( p_vout, "crop-bottom", VLC_VAR_INTEGER | VLC_VAR_ISCOMMAND );
205 var_AddCallback( p_vout, "crop-left", CropBorderCallback, NULL );
206 var_AddCallback( p_vout, "crop-top", CropBorderCallback, NULL );
207 var_AddCallback( p_vout, "crop-right", CropBorderCallback, NULL );
208 var_AddCallback( p_vout, "crop-bottom", CropBorderCallback, NULL );
210 /* Crop object var */
211 var_Create( p_vout, "crop", VLC_VAR_STRING | VLC_VAR_ISCOMMAND |
212 VLC_VAR_HASCHOICE | VLC_VAR_DOINHERIT );
214 text.psz_string = _("Crop");
215 var_Change( p_vout, "crop", VLC_VAR_SETTEXT, &text, NULL );
217 val.psz_string = (char*)"";
218 var_Change( p_vout, "crop", VLC_VAR_DELCHOICE, &val, 0 );
220 for( size_t i = 0; i < ARRAY_SIZE(p_crop_values); i++ )
222 val.psz_string = (char*)p_crop_values[i].psz_value;
223 text.psz_string = _( p_crop_values[i].psz_label );
224 var_Change( p_vout, "crop", VLC_VAR_ADDCHOICE, &val, &text );
227 /* Add custom crop ratios */
228 psz_buf = var_CreateGetNonEmptyString( p_vout, "custom-crop-ratios" );
231 AddCustomRatios( p_vout, "crop", psz_buf );
235 var_AddCallback( p_vout, "crop", CropCallback, NULL );
236 var_Get( p_vout, "crop", &old_val );
237 if( old_val.psz_string && *old_val.psz_string )
238 var_TriggerCallback( p_vout, "crop" );
239 free( old_val.psz_string );
241 /* Monitor pixel aspect-ratio */
242 var_Create( p_vout, "monitor-par", VLC_VAR_STRING | VLC_VAR_DOINHERIT );
244 /* Aspect-ratio object var */
245 var_Create( p_vout, "aspect-ratio", VLC_VAR_STRING | VLC_VAR_ISCOMMAND |
246 VLC_VAR_HASCHOICE | VLC_VAR_DOINHERIT );
248 text.psz_string = _("Aspect-ratio");
249 var_Change( p_vout, "aspect-ratio", VLC_VAR_SETTEXT, &text, NULL );
251 val.psz_string = (char*)"";
252 var_Change( p_vout, "aspect-ratio", VLC_VAR_DELCHOICE, &val, 0 );
254 for( size_t i = 0; i < ARRAY_SIZE(p_aspect_ratio_values); i++ )
256 val.psz_string = (char*)p_aspect_ratio_values[i].psz_value;
257 text.psz_string = _( p_aspect_ratio_values[i].psz_label );
258 var_Change( p_vout, "aspect-ratio", VLC_VAR_ADDCHOICE, &val, &text );
261 /* Add custom aspect ratios */
262 psz_buf = var_CreateGetNonEmptyString( p_vout, "custom-aspect-ratios" );
265 AddCustomRatios( p_vout, "aspect-ratio", psz_buf );
269 var_AddCallback( p_vout, "aspect-ratio", AspectCallback, NULL );
270 var_Get( p_vout, "aspect-ratio", &old_val );
271 if( (old_val.psz_string && *old_val.psz_string) )
272 var_TriggerCallback( p_vout, "aspect-ratio" );
273 free( old_val.psz_string );
275 /* Add variables to manage scaling video */
276 var_Create( p_vout, "autoscale", VLC_VAR_BOOL | VLC_VAR_DOINHERIT
277 | VLC_VAR_ISCOMMAND );
278 text.psz_string = _("Autoscale video");
279 var_Change( p_vout, "autoscale", VLC_VAR_SETTEXT, &text, NULL );
280 var_AddCallback( p_vout, "autoscale", ScalingCallback, NULL );
282 var_Create( p_vout, "scale", VLC_VAR_FLOAT | VLC_VAR_DOINHERIT
283 | VLC_VAR_ISCOMMAND );
284 text.psz_string = _("Scale factor");
285 var_Change( p_vout, "scale", VLC_VAR_SETTEXT, &text, NULL );
286 var_AddCallback( p_vout, "scale", ScalingCallback, NULL );
288 /* Add a variable to indicate if the window should be on top of others */
289 var_Create( p_vout, "video-on-top", VLC_VAR_BOOL | VLC_VAR_DOINHERIT
290 | VLC_VAR_ISCOMMAND );
291 text.psz_string = _("Always on top");
292 var_Change( p_vout, "video-on-top", VLC_VAR_SETTEXT, &text, NULL );
293 var_AddCallback( p_vout, "video-on-top", OnTopCallback, NULL );
294 var_TriggerCallback( p_vout, "video-on-top" );
296 /* Add a variable to indicate whether we want window decoration or not */
297 var_Create( p_vout, "video-deco", VLC_VAR_BOOL | VLC_VAR_DOINHERIT );
299 /* Add a fullscreen variable */
300 var_Create( p_vout, "fullscreen",
301 VLC_VAR_BOOL | VLC_VAR_DOINHERIT | VLC_VAR_ISCOMMAND );
302 text.psz_string = _("Fullscreen");
303 var_Change( p_vout, "fullscreen", VLC_VAR_SETTEXT, &text, NULL );
304 var_AddCallback( p_vout, "fullscreen", FullscreenCallback, NULL );
306 /* Add a snapshot variable */
307 var_Create( p_vout, "video-snapshot", VLC_VAR_VOID | VLC_VAR_ISCOMMAND );
308 text.psz_string = _("Snapshot");
309 var_Change( p_vout, "video-snapshot", VLC_VAR_SETTEXT, &text, NULL );
310 var_AddCallback( p_vout, "video-snapshot", SnapshotCallback, NULL );
312 /* Add a video-filter variable */
313 var_Create( p_vout, "video-filter",
314 VLC_VAR_STRING | VLC_VAR_DOINHERIT | VLC_VAR_ISCOMMAND );
315 var_AddCallback( p_vout, "video-filter", VideoFilterCallback, NULL );
316 var_TriggerCallback( p_vout, "video-filter" );
318 /* Add a sub-source variable */
319 var_Create( p_vout, "sub-source",
320 VLC_VAR_STRING | VLC_VAR_DOINHERIT | VLC_VAR_ISCOMMAND );
321 var_AddCallback( p_vout, "sub-source", SubSourceCallback, NULL );
322 var_TriggerCallback( p_vout, "sub-source" );
324 /* Add a sub-filter variable */
325 var_Create( p_vout, "sub-filter",
326 VLC_VAR_STRING | VLC_VAR_DOINHERIT | VLC_VAR_ISCOMMAND );
327 var_AddCallback( p_vout, "sub-filter", SubFilterCallback, NULL );
328 var_TriggerCallback( p_vout, "sub-filter" );
330 /* Add sub-margin variable */
331 var_Create( p_vout, "sub-margin",
332 VLC_VAR_INTEGER | VLC_VAR_DOINHERIT | VLC_VAR_ISCOMMAND );
333 var_AddCallback( p_vout, "sub-margin", SubMarginCallback, NULL );
334 var_TriggerCallback( p_vout, "sub-margin" );
336 /* Mouse coordinates */
337 var_Create( p_vout, "mouse-button-down", VLC_VAR_INTEGER );
338 var_Create( p_vout, "mouse-moved", VLC_VAR_COORDS );
339 var_Create( p_vout, "mouse-clicked", VLC_VAR_COORDS );
340 var_Create( p_vout, "mouse-object", VLC_VAR_BOOL );
343 /*****************************************************************************
344 * vout_Snapshot: generates a snapshot.
345 *****************************************************************************/
347 * This function will inject a subpicture into the vout with the provided
350 static int VoutSnapshotPip( vout_thread_t *p_vout, picture_t *p_pic )
352 subpicture_t *p_subpic = subpicture_NewFromPicture( VLC_OBJECT(p_vout),
353 p_pic, VLC_CODEC_YUVA );
357 /* FIXME SPU_DEFAULT_CHANNEL is not good (used by the text) but
358 * hardcoded 0 doesn't seem right */
359 p_subpic->i_channel = 0;
360 p_subpic->i_start = mdate();
361 p_subpic->i_stop = p_subpic->i_start + 4000000;
362 p_subpic->b_ephemer = true;
363 p_subpic->b_fade = true;
365 /* Reduce the picture to 1/4^2 of the screen */
366 p_subpic->i_original_picture_width *= 4;
367 p_subpic->i_original_picture_height *= 4;
369 vout_PutSubpicture( p_vout, p_subpic );
374 * This function will display the name and a PIP of the provided snapshot
376 static void VoutOsdSnapshot( vout_thread_t *p_vout, picture_t *p_pic, const char *psz_filename )
378 msg_Dbg( p_vout, "snapshot taken (%s)", psz_filename );
379 vout_OSDMessage( p_vout, SPU_DEFAULT_CHANNEL, "%s", psz_filename );
381 if( var_GetBool( p_vout, "snapshot-preview" ) )
383 if( VoutSnapshotPip( p_vout, p_pic ) )
384 msg_Warn( p_vout, "Failed to display snapshot" );
389 * This function will handle a snapshot request
391 static void VoutSaveSnapshot( vout_thread_t *p_vout )
393 char *psz_path = var_GetNonEmptyString( p_vout, "snapshot-path" );
394 char *psz_format = var_GetNonEmptyString( p_vout, "snapshot-format" );
395 char *psz_prefix = var_GetNonEmptyString( p_vout, "snapshot-prefix" );
398 picture_t *p_picture;
403 * XXX it will cause trouble with low fps video (< 2fps) */
404 if( vout_GetSnapshot( p_vout, &p_image, &p_picture, &fmt, psz_format, 500*1000 ) )
413 psz_path = vout_snapshot_GetDirectory();
416 msg_Err( p_vout, "no path specified for snapshots" );
421 vout_snapshot_save_cfg_t cfg;
422 memset( &cfg, 0, sizeof(cfg) );
423 cfg.is_sequential = var_GetBool( p_vout, "snapshot-sequential" );
424 cfg.sequence = var_GetInteger( p_vout, "snapshot-num" );
426 cfg.format = psz_format;
427 cfg.prefix_fmt = psz_prefix;
431 if (vout_snapshot_SaveImage( &psz_filename, &i_sequence,
432 p_image, VLC_OBJECT(p_vout), &cfg ) )
434 if( cfg.is_sequential )
435 var_SetInteger( p_vout, "snapshot-num", i_sequence + 1 );
437 VoutOsdSnapshot( p_vout, p_picture, psz_filename );
439 /* signal creation of a new snapshot file */
440 var_SetString( p_vout->p_libvlc, "snapshot-file", psz_filename );
442 free( psz_filename );
446 block_Release( p_image );
448 picture_Release( p_picture );
454 /*****************************************************************************
456 *****************************************************************************/
458 void vout_EnableFilter( vout_thread_t *p_vout, const char *psz_name,
459 bool b_add, bool b_setconfig )
463 const char *psz_filter_type;
465 module_t *p_obj = module_find( psz_name );
468 msg_Err( p_vout, "Unable to find filter module \"%s\".", psz_name );
472 if( module_provides( p_obj, "video filter2" ) )
474 psz_filter_type = "video-filter";
476 else if( module_provides( p_obj, "sub source" ) )
478 psz_filter_type = "sub-source";
480 else if( module_provides( p_obj, "sub filter" ) )
482 psz_filter_type = "sub-filter";
486 msg_Err( p_vout, "Unknown video filter type." );
490 psz_string = var_GetString( p_vout, psz_filter_type );
492 /* Todo : Use some generic chain manipulation functions */
493 if( !psz_string ) psz_string = strdup("");
495 psz_parser = strstr( psz_string, psz_name );
500 psz_parser = psz_string;
501 if( asprintf( &psz_string, (*psz_string) ? "%s:%s" : "%s%s",
502 psz_string, psz_name ) == -1 )
516 memmove( psz_parser, psz_parser + strlen(psz_name) +
517 (*(psz_parser + strlen(psz_name)) == ':' ? 1 : 0 ),
518 strlen(psz_parser + strlen(psz_name)) + 1 );
520 /* Remove trailing : : */
521 if( *(psz_string+strlen(psz_string ) -1 ) == ':' )
523 *(psz_string+strlen(psz_string ) -1 ) = '\0';
535 config_PutPsz( p_vout, psz_filter_type, psz_string );
538 var_SetString( p_vout, psz_filter_type, psz_string );
543 /*****************************************************************************
544 * Object variables callbacks
545 *****************************************************************************/
546 static int ZoomCallback( vlc_object_t *p_this, char const *psz_cmd,
547 vlc_value_t oldval, vlc_value_t newval, void *p_data )
549 (void)psz_cmd; (void)oldval; (void)p_data;
551 return var_SetFloat( p_this, "scale", newval.f_float );
554 static int CropCallback( vlc_object_t *object, char const *cmd,
555 vlc_value_t oldval, vlc_value_t newval, void *data )
557 vout_thread_t *vout = (vout_thread_t *)object;
558 VLC_UNUSED(cmd); VLC_UNUSED(oldval); VLC_UNUSED(data);
561 unsigned width, height;
562 unsigned left, top, right, bottom;
564 if (sscanf(newval.psz_string, "%u:%u", &num, &den) == 2) {
565 vout_ControlChangeCropRatio(vout, num, den);
566 } else if (sscanf(newval.psz_string, "%ux%u+%u+%u",
567 &width, &height, &x, &y) == 4) {
568 vout_ControlChangeCropWindow(vout, x, y, width, height);
569 } else if (sscanf(newval.psz_string, "%u+%u+%u+%u",
570 &left, &top, &right, &bottom) == 4) {
571 vout_ControlChangeCropBorder(vout, left, top, right, bottom);
572 } else if (*newval.psz_string == '\0') {
573 vout_ControlChangeCropRatio(vout, 0, 0);
575 msg_Err(object, "Unknown crop format (%s)", newval.psz_string);
580 static int CropBorderCallback(vlc_object_t *object, char const *cmd,
581 vlc_value_t oldval, vlc_value_t newval, void *data)
583 vout_thread_t *vout = (vout_thread_t *)object;
584 VLC_UNUSED(cmd); VLC_UNUSED(oldval); VLC_UNUSED(data); VLC_UNUSED(newval);
586 vout_ControlChangeCropBorder(vout,
587 var_GetInteger(object, "crop-left"),
588 var_GetInteger(object, "crop-top"),
589 var_GetInteger(object, "crop-right"),
590 var_GetInteger(object, "crop-bottom"));
594 static int AspectCallback( vlc_object_t *object, char const *cmd,
595 vlc_value_t oldval, vlc_value_t newval, void *data )
597 vout_thread_t *vout = (vout_thread_t *)object;
598 VLC_UNUSED(cmd); VLC_UNUSED(oldval); VLC_UNUSED(data);
601 if (sscanf(newval.psz_string, "%u:%u", &num, &den) == 2 &&
602 (num > 0) == (den > 0))
603 vout_ControlChangeSampleAspectRatio(vout, num, den);
604 else if (*newval.psz_string == '\0')
605 vout_ControlChangeSampleAspectRatio(vout, 0, 0);
609 static int ScalingCallback( vlc_object_t *p_this, char const *psz_cmd,
610 vlc_value_t oldval, vlc_value_t newval, void *p_data )
612 vout_thread_t *p_vout = (vout_thread_t *)p_this;
613 (void)oldval; (void)newval; (void)p_data;
615 if( !strcmp( psz_cmd, "autoscale" ) )
616 vout_ControlChangeDisplayFilled( p_vout, newval.b_bool );
617 else if( !strcmp( psz_cmd, "scale" ) )
618 vout_ControlChangeZoom( p_vout, 1000 * newval.f_float, 1000 );
623 static int OnTopCallback( vlc_object_t *p_this, char const *psz_cmd,
624 vlc_value_t oldval, vlc_value_t newval, void *p_data )
626 vout_thread_t *p_vout = (vout_thread_t *)p_this;
627 (void)psz_cmd; (void)oldval; (void)p_data;
629 vout_ControlChangeOnTop( p_vout, newval.b_bool );
633 static int FullscreenCallback( vlc_object_t *p_this, char const *psz_cmd,
634 vlc_value_t oldval, vlc_value_t newval, void *p_data )
636 vout_thread_t *p_vout = (vout_thread_t *)p_this;
637 (void)psz_cmd; (void)p_data;
639 if( oldval.b_bool != newval.b_bool )
640 vout_ControlChangeFullscreen( p_vout, newval.b_bool );
644 static int SnapshotCallback( vlc_object_t *p_this, char const *psz_cmd,
645 vlc_value_t oldval, vlc_value_t newval, void *p_data )
647 vout_thread_t *p_vout = (vout_thread_t *)p_this;
648 VLC_UNUSED(psz_cmd); VLC_UNUSED(oldval);
649 VLC_UNUSED(newval); VLC_UNUSED(p_data);
651 VoutSaveSnapshot( p_vout );
655 static int VideoFilterCallback( vlc_object_t *p_this, char const *psz_cmd,
656 vlc_value_t oldval, vlc_value_t newval, void *p_data)
658 vout_thread_t *p_vout = (vout_thread_t *)p_this;
659 VLC_UNUSED(psz_cmd); VLC_UNUSED(oldval); VLC_UNUSED(p_data);
661 vout_ControlChangeFilters( p_vout, newval.psz_string );
665 static int SubSourceCallback( vlc_object_t *p_this, char const *psz_cmd,
666 vlc_value_t oldval, vlc_value_t newval, void *p_data)
668 vout_thread_t *p_vout = (vout_thread_t *)p_this;
669 VLC_UNUSED(psz_cmd); VLC_UNUSED(oldval); VLC_UNUSED(p_data);
671 vout_ControlChangeSubSources( p_vout, newval.psz_string );
675 static int SubFilterCallback( vlc_object_t *p_this, char const *psz_cmd,
676 vlc_value_t oldval, vlc_value_t newval, void *p_data)
678 vout_thread_t *p_vout = (vout_thread_t *)p_this;
679 VLC_UNUSED(psz_cmd); VLC_UNUSED(oldval); VLC_UNUSED(p_data);
681 vout_ControlChangeSubFilters( p_vout, newval.psz_string );
685 static int SubMarginCallback( vlc_object_t *p_this, char const *psz_cmd,
686 vlc_value_t oldval, vlc_value_t newval, void *p_data)
688 vout_thread_t *p_vout = (vout_thread_t *)p_this;
689 VLC_UNUSED(psz_cmd); VLC_UNUSED(oldval); VLC_UNUSED(p_data);
691 vout_ControlChangeSubMargin( p_vout, newval.i_int );