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 * );
77 static int TitleShowCallback( vlc_object_t *, char const *,
78 vlc_value_t, vlc_value_t, void * );
79 static int TitleTimeoutCallback( vlc_object_t *, char const *,
80 vlc_value_t, vlc_value_t, void * );
81 static int TitlePositionCallback( vlc_object_t *, char const *,
82 vlc_value_t, vlc_value_t, void * );
84 /*****************************************************************************
85 * vout_IntfInit: called during the vout creation to initialise misc things.
86 *****************************************************************************/
90 const char *psz_label;
92 { 0.25, N_("1:4 Quarter") },
93 { 0.5, N_("1:2 Half") },
94 { 1, N_("1:1 Original") },
95 { 2, N_("2:1 Double") },
100 const char *psz_value;
101 const char *psz_label;
102 } p_crop_values[] = {
103 { "", N_("Default") },
104 { "16:10", "16:10" },
106 { "185:100", "1.85:1" },
107 { "221:100", "2.21:1" },
108 { "235:100", "2.35:1" },
109 { "239:100", "2.39:1" },
118 const char *psz_value;
119 const char *psz_label;
120 } p_aspect_ratio_values[] = {
121 { "", N_("Default") },
125 { "16:10", "16:10" },
126 { "221:100", "2.21:1" },
127 { "235:100", "2.35:1" },
128 { "239:100", "2.39:1" },
132 static void AddCustomRatios( vout_thread_t *p_vout, const char *psz_var,
137 char *psz_cur = psz_list;
139 while( psz_cur && *psz_cur )
141 vlc_value_t val, text;
142 psz_next = strchr( psz_cur, ',' );
148 val.psz_string = psz_cur;
149 text.psz_string = psz_cur;
150 var_Change( p_vout, psz_var, VLC_VAR_ADDCHOICE, &val, &text);
155 void vout_IntfInit( vout_thread_t *p_vout )
157 vlc_value_t val, text, old_val;
158 bool b_force_par = false;
162 /* Create a few object variables we'll need later on */
163 var_Create( p_vout, "snapshot-path", VLC_VAR_STRING | VLC_VAR_DOINHERIT );
164 var_Create( p_vout, "snapshot-prefix", VLC_VAR_STRING | VLC_VAR_DOINHERIT );
165 var_Create( p_vout, "snapshot-format", VLC_VAR_STRING | VLC_VAR_DOINHERIT );
166 var_Create( p_vout, "snapshot-preview", VLC_VAR_BOOL | VLC_VAR_DOINHERIT );
167 var_Create( p_vout, "snapshot-sequential",
168 VLC_VAR_BOOL | VLC_VAR_DOINHERIT );
169 var_Create( p_vout, "snapshot-num", VLC_VAR_INTEGER );
170 var_SetInteger( p_vout, "snapshot-num", 1 );
171 var_Create( p_vout, "snapshot-width", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
172 var_Create( p_vout, "snapshot-height", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
174 var_Create( p_vout, "width", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
175 var_Create( p_vout, "height", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
176 var_Create( p_vout, "align", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
178 var_Create( p_vout, "video-x", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
179 var_Create( p_vout, "video-y", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
181 var_Create( p_vout, "mouse-hide-timeout",
182 VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
184 p_vout->p->title.show = var_CreateGetBool( p_vout, "video-title-show" );
185 p_vout->p->title.timeout = var_CreateGetInteger( p_vout,
186 "video-title-timeout" );
187 p_vout->p->title.position = var_CreateGetInteger( p_vout,
188 "video-title-position" );
189 var_AddCallback( p_vout, "video-title-show", TitleShowCallback, NULL );
190 var_AddCallback( p_vout, "video-title-timeout", TitleTimeoutCallback, NULL );
191 var_AddCallback( p_vout, "video-title-position", TitlePositionCallback, NULL );
193 /* Zoom object var */
194 var_Create( p_vout, "zoom", VLC_VAR_FLOAT | VLC_VAR_ISCOMMAND |
195 VLC_VAR_HASCHOICE | VLC_VAR_DOINHERIT );
197 text.psz_string = _("Zoom");
198 var_Change( p_vout, "zoom", VLC_VAR_SETTEXT, &text, NULL );
200 var_Get( p_vout, "zoom", &old_val );
202 for( i = 0; p_zoom_values[i].f_value; i++ )
204 if( old_val.f_float == p_zoom_values[i].f_value )
205 var_Change( p_vout, "zoom", VLC_VAR_DELCHOICE, &old_val, NULL );
206 val.f_float = p_zoom_values[i].f_value;
207 text.psz_string = _( p_zoom_values[i].psz_label );
208 var_Change( p_vout, "zoom", VLC_VAR_ADDCHOICE, &val, &text );
211 var_Set( p_vout, "zoom", old_val ); /* Is this really needed? */
213 var_AddCallback( p_vout, "zoom", ZoomCallback, NULL );
215 /* Crop offset vars */
216 var_Create( p_vout, "crop-left", VLC_VAR_INTEGER | VLC_VAR_ISCOMMAND );
217 var_Create( p_vout, "crop-top", VLC_VAR_INTEGER | VLC_VAR_ISCOMMAND );
218 var_Create( p_vout, "crop-right", VLC_VAR_INTEGER | VLC_VAR_ISCOMMAND );
219 var_Create( p_vout, "crop-bottom", VLC_VAR_INTEGER | VLC_VAR_ISCOMMAND );
221 var_AddCallback( p_vout, "crop-left", CropBorderCallback, NULL );
222 var_AddCallback( p_vout, "crop-top", CropBorderCallback, NULL );
223 var_AddCallback( p_vout, "crop-right", CropBorderCallback, NULL );
224 var_AddCallback( p_vout, "crop-bottom", CropBorderCallback, NULL );
226 /* Crop object var */
227 var_Create( p_vout, "crop", VLC_VAR_STRING | VLC_VAR_ISCOMMAND |
228 VLC_VAR_HASCHOICE | VLC_VAR_DOINHERIT );
230 text.psz_string = _("Crop");
231 var_Change( p_vout, "crop", VLC_VAR_SETTEXT, &text, NULL );
233 val.psz_string = (char*)"";
234 var_Change( p_vout, "crop", VLC_VAR_DELCHOICE, &val, 0 );
236 for( i = 0; p_crop_values[i].psz_value; i++ )
238 val.psz_string = (char*)p_crop_values[i].psz_value;
239 text.psz_string = _( p_crop_values[i].psz_label );
240 var_Change( p_vout, "crop", VLC_VAR_ADDCHOICE, &val, &text );
243 /* Add custom crop ratios */
244 psz_buf = var_CreateGetNonEmptyString( p_vout, "custom-crop-ratios" );
247 AddCustomRatios( p_vout, "crop", psz_buf );
251 var_AddCallback( p_vout, "crop", CropCallback, NULL );
252 var_Get( p_vout, "crop", &old_val );
253 if( old_val.psz_string && *old_val.psz_string )
254 var_TriggerCallback( p_vout, "crop" );
255 free( old_val.psz_string );
257 /* Monitor pixel aspect-ratio */
258 var_Create( p_vout, "monitor-par", VLC_VAR_STRING | VLC_VAR_DOINHERIT );
259 var_Get( p_vout, "monitor-par", &val );
260 if( val.psz_string && *val.psz_string )
262 char *psz_parser = strchr( val.psz_string, ':' );
263 unsigned int i_aspect_num = 0, i_aspect_den = 0;
267 i_aspect_num = strtol( val.psz_string, 0, 10 );
268 i_aspect_den = strtol( ++psz_parser, 0, 10 );
272 i_aspect = us_atof( val.psz_string );
273 vlc_ureduce( &i_aspect_num, &i_aspect_den,
274 i_aspect *VOUT_ASPECT_FACTOR, VOUT_ASPECT_FACTOR, 0 );
276 if( !i_aspect_num || !i_aspect_den ) i_aspect_num = i_aspect_den = 1;
278 p_vout->p->i_par_num = i_aspect_num;
279 p_vout->p->i_par_den = i_aspect_den;
281 vlc_ureduce( &p_vout->p->i_par_num, &p_vout->p->i_par_den,
282 p_vout->p->i_par_num, p_vout->p->i_par_den, 0 );
284 msg_Dbg( p_vout, "overriding monitor pixel aspect-ratio: %i:%i",
285 p_vout->p->i_par_num, p_vout->p->i_par_den );
288 free( val.psz_string );
290 /* Aspect-ratio object var */
291 var_Create( p_vout, "aspect-ratio", VLC_VAR_STRING | VLC_VAR_ISCOMMAND |
292 VLC_VAR_HASCHOICE | VLC_VAR_DOINHERIT );
294 text.psz_string = _("Aspect-ratio");
295 var_Change( p_vout, "aspect-ratio", VLC_VAR_SETTEXT, &text, NULL );
297 val.psz_string = (char*)"";
298 var_Change( p_vout, "aspect-ratio", VLC_VAR_DELCHOICE, &val, 0 );
300 for( i = 0; p_aspect_ratio_values[i].psz_value; i++ )
302 val.psz_string = (char*)p_aspect_ratio_values[i].psz_value;
303 text.psz_string = _( p_aspect_ratio_values[i].psz_label );
304 var_Change( p_vout, "aspect-ratio", VLC_VAR_ADDCHOICE, &val, &text );
307 /* Add custom aspect ratios */
308 psz_buf = var_CreateGetNonEmptyString( p_vout, "custom-aspect-ratios" );
311 AddCustomRatios( p_vout, "aspect-ratio", psz_buf );
315 var_AddCallback( p_vout, "aspect-ratio", AspectCallback, NULL );
316 var_Get( p_vout, "aspect-ratio", &old_val );
317 if( (old_val.psz_string && *old_val.psz_string) || b_force_par )
318 var_TriggerCallback( p_vout, "aspect-ratio" );
319 free( old_val.psz_string );
321 /* Add variables to manage scaling video */
322 var_Create( p_vout, "autoscale", VLC_VAR_BOOL | VLC_VAR_DOINHERIT
323 | VLC_VAR_ISCOMMAND );
324 text.psz_string = _("Autoscale video");
325 var_Change( p_vout, "autoscale", VLC_VAR_SETTEXT, &text, NULL );
326 var_AddCallback( p_vout, "autoscale", ScalingCallback, NULL );
328 var_Create( p_vout, "scale", VLC_VAR_FLOAT | VLC_VAR_DOINHERIT
329 | VLC_VAR_ISCOMMAND );
330 text.psz_string = _("Scale factor");
331 var_Change( p_vout, "scale", VLC_VAR_SETTEXT, &text, NULL );
332 var_AddCallback( p_vout, "scale", ScalingCallback, NULL );
334 /* Add a variable to indicate if the window should be on top of others */
335 var_Create( p_vout, "video-on-top", VLC_VAR_BOOL | VLC_VAR_DOINHERIT
336 | VLC_VAR_ISCOMMAND );
337 text.psz_string = _("Always on top");
338 var_Change( p_vout, "video-on-top", VLC_VAR_SETTEXT, &text, NULL );
339 var_AddCallback( p_vout, "video-on-top", OnTopCallback, NULL );
340 var_TriggerCallback( p_vout, "video-on-top" );
342 /* Add a variable to indicate whether we want window decoration or not */
343 var_Create( p_vout, "video-deco", VLC_VAR_BOOL | VLC_VAR_DOINHERIT );
345 /* Add a fullscreen variable */
346 var_Create( p_vout, "fullscreen",
347 VLC_VAR_BOOL | VLC_VAR_DOINHERIT | VLC_VAR_ISCOMMAND );
348 text.psz_string = _("Fullscreen");
349 var_Change( p_vout, "fullscreen", VLC_VAR_SETTEXT, &text, NULL );
350 var_AddCallback( p_vout, "fullscreen", FullscreenCallback, NULL );
352 /* Add a snapshot variable */
353 var_Create( p_vout, "video-snapshot", VLC_VAR_VOID | VLC_VAR_ISCOMMAND );
354 text.psz_string = _("Snapshot");
355 var_Change( p_vout, "video-snapshot", VLC_VAR_SETTEXT, &text, NULL );
356 var_AddCallback( p_vout, "video-snapshot", SnapshotCallback, NULL );
358 /* Add a video-filter variable */
359 var_Create( p_vout, "video-filter",
360 VLC_VAR_STRING | VLC_VAR_DOINHERIT | VLC_VAR_ISCOMMAND );
361 var_AddCallback( p_vout, "video-filter", VideoFilterCallback, NULL );
362 var_TriggerCallback( p_vout, "video-filter" );
364 /* Add a video-splitter variable
365 * TODO rename vout-filter into vout-splitter */
366 var_Create( p_vout, "vout-filter",
367 VLC_VAR_STRING | VLC_VAR_DOINHERIT | VLC_VAR_ISCOMMAND );
368 text.psz_string = _("Video splitter");
369 var_Change( p_vout, "vout-filter", VLC_VAR_SETTEXT, &text, NULL );
370 var_AddCallback( p_vout, "vout-filter", VideoSplitterCallback, NULL );
372 /* Mouse coordinates */
373 var_Create( p_vout, "mouse-button-down", VLC_VAR_INTEGER );
374 var_Create( p_vout, "mouse-moved", VLC_VAR_COORDS );
375 var_Create( p_vout, "mouse-clicked", VLC_VAR_COORDS );
376 var_Create( p_vout, "mouse-object", VLC_VAR_BOOL );
379 /*****************************************************************************
380 * vout_Snapshot: generates a snapshot.
381 *****************************************************************************/
383 * This function will inject a subpicture into the vout with the provided
386 static int VoutSnapshotPip( vout_thread_t *p_vout, picture_t *p_pic )
388 subpicture_t *p_subpic = subpicture_NewFromPicture( VLC_OBJECT(p_vout),
389 p_pic, VLC_CODEC_YUVA );
393 /* FIXME SPU_DEFAULT_CHANNEL is not good (used by the text) but
394 * hardcoded 0 doesn't seem right */
395 p_subpic->i_channel = 0;
396 p_subpic->i_start = mdate();
397 p_subpic->i_stop = p_subpic->i_start + 4000000;
398 p_subpic->b_ephemer = true;
399 p_subpic->b_fade = true;
401 /* Reduce the picture to 1/4^2 of the screen */
402 p_subpic->i_original_picture_width *= 4;
403 p_subpic->i_original_picture_height *= 4;
405 vout_PutSubpicture( p_vout, p_subpic );
410 * This function will display the name and a PIP of the provided snapshot
412 static void VoutOsdSnapshot( vout_thread_t *p_vout, picture_t *p_pic, const char *psz_filename )
414 msg_Dbg( p_vout, "snapshot taken (%s)", psz_filename );
415 vout_OSDMessage( p_vout, SPU_DEFAULT_CHANNEL, "%s", psz_filename );
417 if( var_GetBool( p_vout, "snapshot-preview" ) )
419 if( VoutSnapshotPip( p_vout, p_pic ) )
420 msg_Warn( p_vout, "Failed to display snapshot" );
425 int vout_GetSnapshot( vout_thread_t *p_vout,
426 block_t **pp_image, picture_t **pp_picture,
427 video_format_t *p_fmt,
428 const char *psz_format, mtime_t i_timeout )
430 picture_t *p_picture = vout_snapshot_Get( &p_vout->p->snapshot, i_timeout );
433 msg_Err( p_vout, "Failed to grab a snapshot" );
439 vlc_fourcc_t i_format = VLC_CODEC_PNG;
440 if( psz_format && image_Type2Fourcc( psz_format ) )
441 i_format = image_Type2Fourcc( psz_format );
443 const int i_override_width = var_GetInteger( p_vout, "snapshot-width" );
444 const int i_override_height = var_GetInteger( p_vout, "snapshot-height" );
446 if( picture_Export( VLC_OBJECT(p_vout), pp_image, p_fmt,
447 p_picture, i_format, i_override_width, i_override_height ) )
449 msg_Err( p_vout, "Failed to convert image for snapshot" );
450 picture_Release( p_picture );
455 *pp_picture = p_picture;
457 picture_Release( p_picture );
462 * This function will handle a snapshot request
464 static void VoutSaveSnapshot( vout_thread_t *p_vout )
466 char *psz_path = var_GetNonEmptyString( p_vout, "snapshot-path" );
467 char *psz_format = var_GetNonEmptyString( p_vout, "snapshot-format" );
468 char *psz_prefix = var_GetNonEmptyString( p_vout, "snapshot-prefix" );
471 picture_t *p_picture;
476 * XXX it will cause trouble with low fps video (< 2fps) */
477 if( vout_GetSnapshot( p_vout, &p_image, &p_picture, &fmt, psz_format, 500*1000 ) )
486 psz_path = vout_snapshot_GetDirectory();
489 msg_Err( p_vout, "no path specified for snapshots" );
494 vout_snapshot_save_cfg_t cfg;
495 memset( &cfg, 0, sizeof(cfg) );
496 cfg.is_sequential = var_GetBool( p_vout, "snapshot-sequential" );
497 cfg.sequence = var_GetInteger( p_vout, "snapshot-num" );
499 cfg.format = psz_format;
500 cfg.prefix_fmt = psz_prefix;
504 if (vout_snapshot_SaveImage( &psz_filename, &i_sequence,
505 p_image, VLC_OBJECT(p_vout), &cfg ) )
507 if( cfg.is_sequential )
508 var_SetInteger( p_vout, "snapshot-num", i_sequence + 1 );
510 VoutOsdSnapshot( p_vout, p_picture, psz_filename );
512 /* signal creation of a new snapshot file */
513 var_SetString( p_vout->p_libvlc, "snapshot-file", psz_filename );
515 free( psz_filename );
519 block_Release( p_image );
521 picture_Release( p_picture );
527 /*****************************************************************************
529 *****************************************************************************/
531 void vout_EnableFilter( vout_thread_t *p_vout, const char *psz_name,
532 bool b_add, bool b_setconfig )
536 const char *psz_filter_type;
538 /* FIXME temporary hack */
539 const char *psz_module_name = psz_name;
540 if( !strcmp( psz_name, "magnify" ) ||
541 !strcmp( psz_name, "puzzle" ) ||
542 !strcmp( psz_name, "logo" ) ||
543 !strcmp( psz_name, "wall" ) ||
544 !strcmp( psz_name, "clone" ) )
545 psz_module_name = "video_filter_wrapper";
547 module_t *p_obj = module_find( psz_module_name );
550 msg_Err( p_vout, "Unable to find filter module \"%s\".", psz_name );
554 if( module_provides( p_obj, "video filter" ) )
556 psz_filter_type = "vout-filter";
558 else if( module_provides( p_obj, "video filter2" ) )
560 psz_filter_type = "video-filter";
562 else if( module_provides( p_obj, "sub filter" ) )
564 psz_filter_type = "sub-filter";
568 module_release( p_obj );
569 msg_Err( p_vout, "Unknown video filter type." );
572 module_release( p_obj );
574 if( !strcmp( psz_filter_type, "sub-filter") )
575 psz_string = var_GetString( vout_GetSpu( p_vout ), psz_filter_type );
577 psz_string = var_GetString( p_vout, psz_filter_type );
579 /* Todo : Use some generic chain manipulation functions */
580 if( !psz_string ) psz_string = strdup("");
582 psz_parser = strstr( psz_string, psz_name );
587 psz_parser = psz_string;
588 if( asprintf( &psz_string, (*psz_string) ? "%s:%s" : "%s%s",
589 psz_string, psz_name ) == -1 )
603 memmove( psz_parser, psz_parser + strlen(psz_name) +
604 (*(psz_parser + strlen(psz_name)) == ':' ? 1 : 0 ),
605 strlen(psz_parser + strlen(psz_name)) + 1 );
607 /* Remove trailing : : */
608 if( *(psz_string+strlen(psz_string ) -1 ) == ':' )
610 *(psz_string+strlen(psz_string ) -1 ) = '\0';
622 if( !strcmp( psz_filter_type, "sub-filter") )
623 config_PutPsz( vout_GetSpu( p_vout ), psz_filter_type, psz_string );
625 config_PutPsz( p_vout, psz_filter_type, psz_string );
628 if( !strcmp( psz_filter_type, "sub-filter") )
629 var_SetString( vout_GetSpu( p_vout ), psz_filter_type, psz_string );
631 var_SetString( p_vout, psz_filter_type, psz_string );
636 /*****************************************************************************
637 * Object variables callbacks
638 *****************************************************************************/
639 static int ZoomCallback( vlc_object_t *p_this, char const *psz_cmd,
640 vlc_value_t oldval, vlc_value_t newval, void *p_data )
642 (void)psz_cmd; (void)oldval; (void)p_data;
644 return var_SetFloat( p_this, "scale", newval.f_float );
647 static int CropCallback( vlc_object_t *object, char const *cmd,
648 vlc_value_t oldval, vlc_value_t newval, void *data )
650 vout_thread_t *vout = (vout_thread_t *)object;
651 VLC_UNUSED(cmd); VLC_UNUSED(oldval); VLC_UNUSED(data);
654 unsigned width, height;
655 unsigned left, top, right, bottom;
657 if (sscanf(newval.psz_string, "%u:%u", &num, &den) == 2) {
658 vout_ControlChangeCropRatio(vout, num, den);
659 } else if (sscanf(newval.psz_string, "%ux%u+%u+%u",
660 &width, &height, &x, &y) == 4) {
661 vout_ControlChangeCropWindow(vout, x, y, width, height);
662 } else if (sscanf(newval.psz_string, "%u+%u+%u+%u",
663 &left, &top, &right, &bottom) == 4) {
664 vout_ControlChangeCropBorder(vout, left, top, right, bottom);
665 } else if (*newval.psz_string == '\0') {
666 vout_ControlChangeCropRatio(vout, 0, 0);
668 msg_Err(object, "Unknown crop format (%s)", newval.psz_string);
673 static int CropBorderCallback(vlc_object_t *object, char const *cmd,
674 vlc_value_t oldval, vlc_value_t newval, void *data)
676 vout_thread_t *vout = (vout_thread_t *)object;
677 VLC_UNUSED(cmd); VLC_UNUSED(oldval); VLC_UNUSED(data); VLC_UNUSED(newval);
679 vout_ControlChangeCropBorder(vout,
680 var_GetInteger(object, "crop-left"),
681 var_GetInteger(object, "crop-top"),
682 var_GetInteger(object, "crop-right"),
683 var_GetInteger(object, "crop-bottom"));
687 static int AspectCallback( vlc_object_t *object, char const *cmd,
688 vlc_value_t oldval, vlc_value_t newval, void *data )
690 vout_thread_t *vout = (vout_thread_t *)object;
691 VLC_UNUSED(cmd); VLC_UNUSED(oldval); VLC_UNUSED(data);
694 if (sscanf(newval.psz_string, "%u:%u", &num, &den) == 2 &&
695 (num > 0) == (den > 0))
696 vout_ControlChangeSampleAspectRatio(vout, num, den);
697 else if (*newval.psz_string == '\0')
698 vout_ControlChangeSampleAspectRatio(vout, 0, 0);
702 static int ScalingCallback( vlc_object_t *p_this, char const *psz_cmd,
703 vlc_value_t oldval, vlc_value_t newval, void *p_data )
705 vout_thread_t *p_vout = (vout_thread_t *)p_this;
706 (void)oldval; (void)newval; (void)p_data;
708 if( !strcmp( psz_cmd, "autoscale" ) )
709 vout_ControlChangeDisplayFilled( p_vout, newval.b_bool );
710 else if( !strcmp( psz_cmd, "scale" ) )
711 vout_ControlChangeZoom( p_vout, 1000 * newval.f_float, 1000 );
716 static int OnTopCallback( vlc_object_t *p_this, char const *psz_cmd,
717 vlc_value_t oldval, vlc_value_t newval, void *p_data )
719 vout_thread_t *p_vout = (vout_thread_t *)p_this;
720 (void)psz_cmd; (void)oldval; (void)p_data;
722 vout_ControlChangeOnTop( p_vout, newval.b_bool );
726 static int FullscreenCallback( vlc_object_t *p_this, char const *psz_cmd,
727 vlc_value_t oldval, vlc_value_t newval, void *p_data )
729 vout_thread_t *p_vout = (vout_thread_t *)p_this;
730 (void)psz_cmd; (void)p_data;
732 if( oldval.b_bool != newval.b_bool )
733 vout_ControlChangeFullscreen( p_vout, newval.b_bool );
737 static int SnapshotCallback( vlc_object_t *p_this, char const *psz_cmd,
738 vlc_value_t oldval, vlc_value_t newval, void *p_data )
740 vout_thread_t *p_vout = (vout_thread_t *)p_this;
741 VLC_UNUSED(psz_cmd); VLC_UNUSED(oldval);
742 VLC_UNUSED(newval); VLC_UNUSED(p_data);
744 VoutSaveSnapshot( p_vout );
748 static int VideoFilterCallback( vlc_object_t *p_this, char const *psz_cmd,
749 vlc_value_t oldval, vlc_value_t newval, void *p_data)
751 vout_thread_t *p_vout = (vout_thread_t *)p_this;
752 VLC_UNUSED(psz_cmd); VLC_UNUSED(oldval); VLC_UNUSED(p_data);
754 vout_ControlChangeFilters( p_vout, newval.psz_string );
758 static int VideoSplitterCallback( vlc_object_t *p_this, char const *psz_cmd,
759 vlc_value_t oldval, vlc_value_t newval, void *p_data )
761 vout_thread_t *p_vout = (vout_thread_t *)p_this;
762 input_thread_t *p_input;
763 (void)psz_cmd; (void)oldval; (void)p_data;
765 p_input = (input_thread_t *)vlc_object_find( p_this, VLC_OBJECT_INPUT,
769 msg_Err( p_vout, "Input not found" );
773 /* Modify input as well because the vout might have to be restarted */
774 var_Create( p_input, "vout-filter", VLC_VAR_STRING );
775 var_SetString( p_input, "vout-filter", newval.psz_string );
777 /* Now restart current video stream */
778 input_Control( p_input, INPUT_RESTART_ES, -VIDEO_ES );
779 vlc_object_release( p_input );
784 static int TitleShowCallback( vlc_object_t *p_this, char const *psz_cmd,
785 vlc_value_t oldval, vlc_value_t newval, void *p_data )
787 VLC_UNUSED(psz_cmd); VLC_UNUSED(oldval);
789 vout_thread_t *p_vout = (vout_thread_t *)p_this;
790 p_vout->p->title.show = newval.b_bool;
794 static int TitleTimeoutCallback( vlc_object_t *p_this, char const *psz_cmd,
795 vlc_value_t oldval, vlc_value_t newval, void *p_data )
797 VLC_UNUSED(psz_cmd); VLC_UNUSED(oldval); VLC_UNUSED(p_data);
798 vout_thread_t *p_vout = (vout_thread_t *)p_this;
799 p_vout->p->title.timeout = (mtime_t) newval.i_int;
803 static int TitlePositionCallback( 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);
808 vout_thread_t *p_vout = (vout_thread_t *)p_this;
809 p_vout->p->title.position = newval.i_int;