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 * );
78 static int SubMarginCallback( vlc_object_t *, char const *,
79 vlc_value_t, vlc_value_t, void * );
80 static int TitleShowCallback( vlc_object_t *, char const *,
81 vlc_value_t, vlc_value_t, void * );
82 static int TitleTimeoutCallback( vlc_object_t *, char const *,
83 vlc_value_t, vlc_value_t, void * );
84 static int TitlePositionCallback( vlc_object_t *, char const *,
85 vlc_value_t, vlc_value_t, void * );
87 /*****************************************************************************
88 * vout_IntfInit: called during the vout creation to initialise misc things.
89 *****************************************************************************/
93 const char *psz_label;
95 { 0.25, N_("1:4 Quarter") },
96 { 0.5, N_("1:2 Half") },
97 { 1, N_("1:1 Original") },
98 { 2, N_("2:1 Double") },
103 const char *psz_value;
104 const char *psz_label;
105 } p_crop_values[] = {
106 { "", N_("Default") },
107 { "16:10", "16:10" },
109 { "185:100", "1.85:1" },
110 { "221:100", "2.21:1" },
111 { "235:100", "2.35:1" },
112 { "239:100", "2.39:1" },
121 const char *psz_value;
122 const char *psz_label;
123 } p_aspect_ratio_values[] = {
124 { "", N_("Default") },
128 { "16:10", "16:10" },
129 { "221:100", "2.21:1" },
130 { "235:100", "2.35:1" },
131 { "239:100", "2.39:1" },
135 static void AddCustomRatios( vout_thread_t *p_vout, const char *psz_var,
140 char *psz_cur = psz_list;
142 while( psz_cur && *psz_cur )
144 vlc_value_t val, text;
145 psz_next = strchr( psz_cur, ',' );
151 val.psz_string = psz_cur;
152 text.psz_string = psz_cur;
153 var_Change( p_vout, psz_var, VLC_VAR_ADDCHOICE, &val, &text);
158 void vout_IntfInit( vout_thread_t *p_vout )
160 vlc_value_t val, text, old_val;
161 bool b_force_par = false;
165 /* Create a few object variables we'll need later on */
166 var_Create( p_vout, "snapshot-path", VLC_VAR_STRING | VLC_VAR_DOINHERIT );
167 var_Create( p_vout, "snapshot-prefix", VLC_VAR_STRING | VLC_VAR_DOINHERIT );
168 var_Create( p_vout, "snapshot-format", VLC_VAR_STRING | VLC_VAR_DOINHERIT );
169 var_Create( p_vout, "snapshot-preview", VLC_VAR_BOOL | VLC_VAR_DOINHERIT );
170 var_Create( p_vout, "snapshot-sequential",
171 VLC_VAR_BOOL | VLC_VAR_DOINHERIT );
172 var_Create( p_vout, "snapshot-num", VLC_VAR_INTEGER );
173 var_SetInteger( p_vout, "snapshot-num", 1 );
174 var_Create( p_vout, "snapshot-width", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
175 var_Create( p_vout, "snapshot-height", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
177 var_Create( p_vout, "width", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
178 var_Create( p_vout, "height", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
179 var_Create( p_vout, "align", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
181 var_Create( p_vout, "video-x", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
182 var_Create( p_vout, "video-y", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
184 var_Create( p_vout, "mouse-hide-timeout",
185 VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
187 p_vout->p->title.show = var_CreateGetBool( p_vout, "video-title-show" );
188 p_vout->p->title.timeout = var_CreateGetInteger( p_vout,
189 "video-title-timeout" );
190 p_vout->p->title.position = var_CreateGetInteger( p_vout,
191 "video-title-position" );
192 var_AddCallback( p_vout, "video-title-show", TitleShowCallback, NULL );
193 var_AddCallback( p_vout, "video-title-timeout", TitleTimeoutCallback, NULL );
194 var_AddCallback( p_vout, "video-title-position", TitlePositionCallback, NULL );
196 /* Zoom object var */
197 var_Create( p_vout, "zoom", VLC_VAR_FLOAT | VLC_VAR_ISCOMMAND |
198 VLC_VAR_HASCHOICE | VLC_VAR_DOINHERIT );
200 text.psz_string = _("Zoom");
201 var_Change( p_vout, "zoom", VLC_VAR_SETTEXT, &text, NULL );
203 var_Get( p_vout, "zoom", &old_val );
205 for( i = 0; p_zoom_values[i].f_value; i++ )
207 if( old_val.f_float == p_zoom_values[i].f_value )
208 var_Change( p_vout, "zoom", VLC_VAR_DELCHOICE, &old_val, NULL );
209 val.f_float = p_zoom_values[i].f_value;
210 text.psz_string = _( p_zoom_values[i].psz_label );
211 var_Change( p_vout, "zoom", VLC_VAR_ADDCHOICE, &val, &text );
214 var_Set( p_vout, "zoom", old_val ); /* Is this really needed? */
216 var_AddCallback( p_vout, "zoom", ZoomCallback, NULL );
218 /* Crop offset vars */
219 var_Create( p_vout, "crop-left", VLC_VAR_INTEGER | VLC_VAR_ISCOMMAND );
220 var_Create( p_vout, "crop-top", VLC_VAR_INTEGER | VLC_VAR_ISCOMMAND );
221 var_Create( p_vout, "crop-right", VLC_VAR_INTEGER | VLC_VAR_ISCOMMAND );
222 var_Create( p_vout, "crop-bottom", VLC_VAR_INTEGER | VLC_VAR_ISCOMMAND );
224 var_AddCallback( p_vout, "crop-left", CropBorderCallback, NULL );
225 var_AddCallback( p_vout, "crop-top", CropBorderCallback, NULL );
226 var_AddCallback( p_vout, "crop-right", CropBorderCallback, NULL );
227 var_AddCallback( p_vout, "crop-bottom", CropBorderCallback, NULL );
229 /* Crop object var */
230 var_Create( p_vout, "crop", VLC_VAR_STRING | VLC_VAR_ISCOMMAND |
231 VLC_VAR_HASCHOICE | VLC_VAR_DOINHERIT );
233 text.psz_string = _("Crop");
234 var_Change( p_vout, "crop", VLC_VAR_SETTEXT, &text, NULL );
236 val.psz_string = (char*)"";
237 var_Change( p_vout, "crop", VLC_VAR_DELCHOICE, &val, 0 );
239 for( i = 0; p_crop_values[i].psz_value; i++ )
241 val.psz_string = (char*)p_crop_values[i].psz_value;
242 text.psz_string = _( p_crop_values[i].psz_label );
243 var_Change( p_vout, "crop", VLC_VAR_ADDCHOICE, &val, &text );
246 /* Add custom crop ratios */
247 psz_buf = var_CreateGetNonEmptyString( p_vout, "custom-crop-ratios" );
250 AddCustomRatios( p_vout, "crop", psz_buf );
254 var_AddCallback( p_vout, "crop", CropCallback, NULL );
255 var_Get( p_vout, "crop", &old_val );
256 if( old_val.psz_string && *old_val.psz_string )
257 var_TriggerCallback( p_vout, "crop" );
258 free( old_val.psz_string );
260 /* Monitor pixel aspect-ratio */
261 var_Create( p_vout, "monitor-par", VLC_VAR_STRING | VLC_VAR_DOINHERIT );
262 var_Get( p_vout, "monitor-par", &val );
263 if( val.psz_string && *val.psz_string )
265 char *psz_parser = strchr( val.psz_string, ':' );
266 unsigned int i_aspect_num = 0, i_aspect_den = 0;
270 i_aspect_num = strtol( val.psz_string, 0, 10 );
271 i_aspect_den = strtol( ++psz_parser, 0, 10 );
275 i_aspect = us_atof( val.psz_string );
276 vlc_ureduce( &i_aspect_num, &i_aspect_den,
277 i_aspect *VOUT_ASPECT_FACTOR, VOUT_ASPECT_FACTOR, 0 );
279 if( !i_aspect_num || !i_aspect_den ) i_aspect_num = i_aspect_den = 1;
281 p_vout->p->i_par_num = i_aspect_num;
282 p_vout->p->i_par_den = i_aspect_den;
284 vlc_ureduce( &p_vout->p->i_par_num, &p_vout->p->i_par_den,
285 p_vout->p->i_par_num, p_vout->p->i_par_den, 0 );
287 msg_Dbg( p_vout, "overriding monitor pixel aspect-ratio: %i:%i",
288 p_vout->p->i_par_num, p_vout->p->i_par_den );
291 free( val.psz_string );
293 /* Aspect-ratio object var */
294 var_Create( p_vout, "aspect-ratio", VLC_VAR_STRING | VLC_VAR_ISCOMMAND |
295 VLC_VAR_HASCHOICE | VLC_VAR_DOINHERIT );
297 text.psz_string = _("Aspect-ratio");
298 var_Change( p_vout, "aspect-ratio", VLC_VAR_SETTEXT, &text, NULL );
300 val.psz_string = (char*)"";
301 var_Change( p_vout, "aspect-ratio", VLC_VAR_DELCHOICE, &val, 0 );
303 for( i = 0; p_aspect_ratio_values[i].psz_value; i++ )
305 val.psz_string = (char*)p_aspect_ratio_values[i].psz_value;
306 text.psz_string = _( p_aspect_ratio_values[i].psz_label );
307 var_Change( p_vout, "aspect-ratio", VLC_VAR_ADDCHOICE, &val, &text );
310 /* Add custom aspect ratios */
311 psz_buf = var_CreateGetNonEmptyString( p_vout, "custom-aspect-ratios" );
314 AddCustomRatios( p_vout, "aspect-ratio", psz_buf );
318 var_AddCallback( p_vout, "aspect-ratio", AspectCallback, NULL );
319 var_Get( p_vout, "aspect-ratio", &old_val );
320 if( (old_val.psz_string && *old_val.psz_string) || b_force_par )
321 var_TriggerCallback( p_vout, "aspect-ratio" );
322 free( old_val.psz_string );
324 /* Add variables to manage scaling video */
325 var_Create( p_vout, "autoscale", VLC_VAR_BOOL | VLC_VAR_DOINHERIT
326 | VLC_VAR_ISCOMMAND );
327 text.psz_string = _("Autoscale video");
328 var_Change( p_vout, "autoscale", VLC_VAR_SETTEXT, &text, NULL );
329 var_AddCallback( p_vout, "autoscale", ScalingCallback, NULL );
331 var_Create( p_vout, "scale", VLC_VAR_FLOAT | VLC_VAR_DOINHERIT
332 | VLC_VAR_ISCOMMAND );
333 text.psz_string = _("Scale factor");
334 var_Change( p_vout, "scale", VLC_VAR_SETTEXT, &text, NULL );
335 var_AddCallback( p_vout, "scale", ScalingCallback, NULL );
337 /* Add a variable to indicate if the window should be on top of others */
338 var_Create( p_vout, "video-on-top", VLC_VAR_BOOL | VLC_VAR_DOINHERIT
339 | VLC_VAR_ISCOMMAND );
340 text.psz_string = _("Always on top");
341 var_Change( p_vout, "video-on-top", VLC_VAR_SETTEXT, &text, NULL );
342 var_AddCallback( p_vout, "video-on-top", OnTopCallback, NULL );
343 var_TriggerCallback( p_vout, "video-on-top" );
345 /* Add a variable to indicate whether we want window decoration or not */
346 var_Create( p_vout, "video-deco", VLC_VAR_BOOL | VLC_VAR_DOINHERIT );
348 /* Add a fullscreen variable */
349 var_Create( p_vout, "fullscreen",
350 VLC_VAR_BOOL | VLC_VAR_DOINHERIT | VLC_VAR_ISCOMMAND );
351 text.psz_string = _("Fullscreen");
352 var_Change( p_vout, "fullscreen", VLC_VAR_SETTEXT, &text, NULL );
353 var_AddCallback( p_vout, "fullscreen", FullscreenCallback, NULL );
355 /* Add a snapshot variable */
356 var_Create( p_vout, "video-snapshot", VLC_VAR_VOID | VLC_VAR_ISCOMMAND );
357 text.psz_string = _("Snapshot");
358 var_Change( p_vout, "video-snapshot", VLC_VAR_SETTEXT, &text, NULL );
359 var_AddCallback( p_vout, "video-snapshot", SnapshotCallback, NULL );
361 /* Add a video-filter variable */
362 var_Create( p_vout, "video-filter",
363 VLC_VAR_STRING | VLC_VAR_DOINHERIT | VLC_VAR_ISCOMMAND );
364 var_AddCallback( p_vout, "video-filter", VideoFilterCallback, NULL );
365 var_TriggerCallback( p_vout, "video-filter" );
367 /* Add a video-splitter variable
368 * TODO rename vout-filter into vout-splitter */
369 var_Create( p_vout, "vout-filter",
370 VLC_VAR_STRING | VLC_VAR_DOINHERIT | VLC_VAR_ISCOMMAND );
371 text.psz_string = _("Video splitter");
372 var_Change( p_vout, "vout-filter", VLC_VAR_SETTEXT, &text, NULL );
373 var_AddCallback( p_vout, "vout-filter", VideoSplitterCallback, NULL );
375 /* Add a sub-filter variable */
376 var_Create( p_vout, "sub-filter",
377 VLC_VAR_STRING | VLC_VAR_DOINHERIT | VLC_VAR_ISCOMMAND );
378 var_AddCallback( p_vout, "sub-filter", SubFilterCallback, NULL );
379 var_TriggerCallback( p_vout, "sub-filter" );
381 /* Add sub-margin variable */
382 var_Create( p_vout, "sub-margin",
383 VLC_VAR_INTEGER | VLC_VAR_DOINHERIT | VLC_VAR_ISCOMMAND );
384 var_AddCallback( p_vout, "sub-margin", SubMarginCallback, NULL );
385 var_TriggerCallback( p_vout, "sub-margin" );
387 /* Mouse coordinates */
388 var_Create( p_vout, "mouse-button-down", VLC_VAR_INTEGER );
389 var_Create( p_vout, "mouse-moved", VLC_VAR_COORDS );
390 var_Create( p_vout, "mouse-clicked", VLC_VAR_COORDS );
391 var_Create( p_vout, "mouse-object", VLC_VAR_BOOL );
394 /*****************************************************************************
395 * vout_Snapshot: generates a snapshot.
396 *****************************************************************************/
398 * This function will inject a subpicture into the vout with the provided
401 static int VoutSnapshotPip( vout_thread_t *p_vout, picture_t *p_pic )
403 subpicture_t *p_subpic = subpicture_NewFromPicture( VLC_OBJECT(p_vout),
404 p_pic, VLC_CODEC_YUVA );
408 /* FIXME SPU_DEFAULT_CHANNEL is not good (used by the text) but
409 * hardcoded 0 doesn't seem right */
410 p_subpic->i_channel = 0;
411 p_subpic->i_start = mdate();
412 p_subpic->i_stop = p_subpic->i_start + 4000000;
413 p_subpic->b_ephemer = true;
414 p_subpic->b_fade = true;
416 /* Reduce the picture to 1/4^2 of the screen */
417 p_subpic->i_original_picture_width *= 4;
418 p_subpic->i_original_picture_height *= 4;
420 vout_PutSubpicture( p_vout, p_subpic );
425 * This function will display the name and a PIP of the provided snapshot
427 static void VoutOsdSnapshot( vout_thread_t *p_vout, picture_t *p_pic, const char *psz_filename )
429 msg_Dbg( p_vout, "snapshot taken (%s)", psz_filename );
430 vout_OSDMessage( p_vout, SPU_DEFAULT_CHANNEL, "%s", psz_filename );
432 if( var_GetBool( p_vout, "snapshot-preview" ) )
434 if( VoutSnapshotPip( p_vout, p_pic ) )
435 msg_Warn( p_vout, "Failed to display snapshot" );
440 int vout_GetSnapshot( vout_thread_t *p_vout,
441 block_t **pp_image, picture_t **pp_picture,
442 video_format_t *p_fmt,
443 const char *psz_format, mtime_t i_timeout )
445 picture_t *p_picture = vout_snapshot_Get( &p_vout->p->snapshot, i_timeout );
448 msg_Err( p_vout, "Failed to grab a snapshot" );
454 vlc_fourcc_t i_format = VLC_CODEC_PNG;
455 if( psz_format && image_Type2Fourcc( psz_format ) )
456 i_format = image_Type2Fourcc( psz_format );
458 const int i_override_width = var_GetInteger( p_vout, "snapshot-width" );
459 const int i_override_height = var_GetInteger( p_vout, "snapshot-height" );
461 if( picture_Export( VLC_OBJECT(p_vout), pp_image, p_fmt,
462 p_picture, i_format, i_override_width, i_override_height ) )
464 msg_Err( p_vout, "Failed to convert image for snapshot" );
465 picture_Release( p_picture );
470 *pp_picture = p_picture;
472 picture_Release( p_picture );
477 * This function will handle a snapshot request
479 static void VoutSaveSnapshot( vout_thread_t *p_vout )
481 char *psz_path = var_GetNonEmptyString( p_vout, "snapshot-path" );
482 char *psz_format = var_GetNonEmptyString( p_vout, "snapshot-format" );
483 char *psz_prefix = var_GetNonEmptyString( p_vout, "snapshot-prefix" );
486 picture_t *p_picture;
491 * XXX it will cause trouble with low fps video (< 2fps) */
492 if( vout_GetSnapshot( p_vout, &p_image, &p_picture, &fmt, psz_format, 500*1000 ) )
501 psz_path = vout_snapshot_GetDirectory();
504 msg_Err( p_vout, "no path specified for snapshots" );
509 vout_snapshot_save_cfg_t cfg;
510 memset( &cfg, 0, sizeof(cfg) );
511 cfg.is_sequential = var_GetBool( p_vout, "snapshot-sequential" );
512 cfg.sequence = var_GetInteger( p_vout, "snapshot-num" );
514 cfg.format = psz_format;
515 cfg.prefix_fmt = psz_prefix;
519 if (vout_snapshot_SaveImage( &psz_filename, &i_sequence,
520 p_image, VLC_OBJECT(p_vout), &cfg ) )
522 if( cfg.is_sequential )
523 var_SetInteger( p_vout, "snapshot-num", i_sequence + 1 );
525 VoutOsdSnapshot( p_vout, p_picture, psz_filename );
527 /* signal creation of a new snapshot file */
528 var_SetString( p_vout->p_libvlc, "snapshot-file", psz_filename );
530 free( psz_filename );
534 block_Release( p_image );
536 picture_Release( p_picture );
542 /*****************************************************************************
544 *****************************************************************************/
546 void vout_EnableFilter( vout_thread_t *p_vout, const char *psz_name,
547 bool b_add, bool b_setconfig )
551 const char *psz_filter_type;
553 /* FIXME temporary hack */
554 const char *psz_module_name = psz_name;
555 if( !strcmp( psz_name, "magnify" ) ||
556 !strcmp( psz_name, "puzzle" ) ||
557 !strcmp( psz_name, "logo" ) ||
558 !strcmp( psz_name, "wall" ) ||
559 !strcmp( psz_name, "clone" ) )
560 psz_module_name = "video_filter_wrapper";
562 module_t *p_obj = module_find( psz_module_name );
565 msg_Err( p_vout, "Unable to find filter module \"%s\".", psz_name );
569 if( module_provides( p_obj, "video filter" ) )
571 psz_filter_type = "vout-filter";
573 else if( module_provides( p_obj, "video filter2" ) )
575 psz_filter_type = "video-filter";
577 else if( module_provides( p_obj, "sub filter" ) )
579 psz_filter_type = "sub-filter";
583 module_release( p_obj );
584 msg_Err( p_vout, "Unknown video filter type." );
587 module_release( p_obj );
589 psz_string = var_GetString( p_vout, psz_filter_type );
591 /* Todo : Use some generic chain manipulation functions */
592 if( !psz_string ) psz_string = strdup("");
594 psz_parser = strstr( psz_string, psz_name );
599 psz_parser = psz_string;
600 if( asprintf( &psz_string, (*psz_string) ? "%s:%s" : "%s%s",
601 psz_string, psz_name ) == -1 )
615 memmove( psz_parser, psz_parser + strlen(psz_name) +
616 (*(psz_parser + strlen(psz_name)) == ':' ? 1 : 0 ),
617 strlen(psz_parser + strlen(psz_name)) + 1 );
619 /* Remove trailing : : */
620 if( *(psz_string+strlen(psz_string ) -1 ) == ':' )
622 *(psz_string+strlen(psz_string ) -1 ) = '\0';
634 config_PutPsz( p_vout, psz_filter_type, psz_string );
637 var_SetString( p_vout, psz_filter_type, psz_string );
642 /*****************************************************************************
643 * Object variables callbacks
644 *****************************************************************************/
645 static int ZoomCallback( vlc_object_t *p_this, char const *psz_cmd,
646 vlc_value_t oldval, vlc_value_t newval, void *p_data )
648 (void)psz_cmd; (void)oldval; (void)p_data;
650 return var_SetFloat( p_this, "scale", newval.f_float );
653 static int CropCallback( vlc_object_t *object, char const *cmd,
654 vlc_value_t oldval, vlc_value_t newval, void *data )
656 vout_thread_t *vout = (vout_thread_t *)object;
657 VLC_UNUSED(cmd); VLC_UNUSED(oldval); VLC_UNUSED(data);
660 unsigned width, height;
661 unsigned left, top, right, bottom;
663 if (sscanf(newval.psz_string, "%u:%u", &num, &den) == 2) {
664 vout_ControlChangeCropRatio(vout, num, den);
665 } else if (sscanf(newval.psz_string, "%ux%u+%u+%u",
666 &width, &height, &x, &y) == 4) {
667 vout_ControlChangeCropWindow(vout, x, y, width, height);
668 } else if (sscanf(newval.psz_string, "%u+%u+%u+%u",
669 &left, &top, &right, &bottom) == 4) {
670 vout_ControlChangeCropBorder(vout, left, top, right, bottom);
671 } else if (*newval.psz_string == '\0') {
672 vout_ControlChangeCropRatio(vout, 0, 0);
674 msg_Err(object, "Unknown crop format (%s)", newval.psz_string);
679 static int CropBorderCallback(vlc_object_t *object, char const *cmd,
680 vlc_value_t oldval, vlc_value_t newval, void *data)
682 vout_thread_t *vout = (vout_thread_t *)object;
683 VLC_UNUSED(cmd); VLC_UNUSED(oldval); VLC_UNUSED(data); VLC_UNUSED(newval);
685 vout_ControlChangeCropBorder(vout,
686 var_GetInteger(object, "crop-left"),
687 var_GetInteger(object, "crop-top"),
688 var_GetInteger(object, "crop-right"),
689 var_GetInteger(object, "crop-bottom"));
693 static int AspectCallback( vlc_object_t *object, char const *cmd,
694 vlc_value_t oldval, vlc_value_t newval, void *data )
696 vout_thread_t *vout = (vout_thread_t *)object;
697 VLC_UNUSED(cmd); VLC_UNUSED(oldval); VLC_UNUSED(data);
700 if (sscanf(newval.psz_string, "%u:%u", &num, &den) == 2 &&
701 (num > 0) == (den > 0))
702 vout_ControlChangeSampleAspectRatio(vout, num, den);
703 else if (*newval.psz_string == '\0')
704 vout_ControlChangeSampleAspectRatio(vout, 0, 0);
708 static int ScalingCallback( vlc_object_t *p_this, char const *psz_cmd,
709 vlc_value_t oldval, vlc_value_t newval, void *p_data )
711 vout_thread_t *p_vout = (vout_thread_t *)p_this;
712 (void)oldval; (void)newval; (void)p_data;
714 if( !strcmp( psz_cmd, "autoscale" ) )
715 vout_ControlChangeDisplayFilled( p_vout, newval.b_bool );
716 else if( !strcmp( psz_cmd, "scale" ) )
717 vout_ControlChangeZoom( p_vout, 1000 * newval.f_float, 1000 );
722 static int OnTopCallback( vlc_object_t *p_this, char const *psz_cmd,
723 vlc_value_t oldval, vlc_value_t newval, void *p_data )
725 vout_thread_t *p_vout = (vout_thread_t *)p_this;
726 (void)psz_cmd; (void)oldval; (void)p_data;
728 vout_ControlChangeOnTop( p_vout, newval.b_bool );
732 static int FullscreenCallback( vlc_object_t *p_this, char const *psz_cmd,
733 vlc_value_t oldval, vlc_value_t newval, void *p_data )
735 vout_thread_t *p_vout = (vout_thread_t *)p_this;
736 (void)psz_cmd; (void)p_data;
738 if( oldval.b_bool != newval.b_bool )
739 vout_ControlChangeFullscreen( p_vout, newval.b_bool );
743 static int SnapshotCallback( vlc_object_t *p_this, char const *psz_cmd,
744 vlc_value_t oldval, vlc_value_t newval, void *p_data )
746 vout_thread_t *p_vout = (vout_thread_t *)p_this;
747 VLC_UNUSED(psz_cmd); VLC_UNUSED(oldval);
748 VLC_UNUSED(newval); VLC_UNUSED(p_data);
750 VoutSaveSnapshot( p_vout );
754 static int VideoFilterCallback( vlc_object_t *p_this, char const *psz_cmd,
755 vlc_value_t oldval, vlc_value_t newval, void *p_data)
757 vout_thread_t *p_vout = (vout_thread_t *)p_this;
758 VLC_UNUSED(psz_cmd); VLC_UNUSED(oldval); VLC_UNUSED(p_data);
760 vout_ControlChangeFilters( p_vout, newval.psz_string );
764 static int VideoSplitterCallback( vlc_object_t *p_this, char const *psz_cmd,
765 vlc_value_t oldval, vlc_value_t newval, void *p_data )
767 vout_thread_t *p_vout = (vout_thread_t *)p_this;
768 input_thread_t *p_input;
769 (void)psz_cmd; (void)oldval; (void)p_data;
771 p_input = (input_thread_t *)vlc_object_find( p_this, VLC_OBJECT_INPUT,
775 msg_Err( p_vout, "Input not found" );
779 /* Modify input as well because the vout might have to be restarted */
780 var_Create( p_input, "vout-filter", VLC_VAR_STRING );
781 var_SetString( p_input, "vout-filter", newval.psz_string );
783 /* Now restart current video stream */
784 input_Control( p_input, INPUT_RESTART_ES, -VIDEO_ES );
785 vlc_object_release( p_input );
790 static int SubFilterCallback( vlc_object_t *p_this, char const *psz_cmd,
791 vlc_value_t oldval, vlc_value_t newval, void *p_data)
793 vout_thread_t *p_vout = (vout_thread_t *)p_this;
794 VLC_UNUSED(psz_cmd); VLC_UNUSED(oldval); VLC_UNUSED(p_data);
796 vout_ControlChangeSubFilters( p_vout, newval.psz_string );
800 static int SubMarginCallback( vlc_object_t *p_this, char const *psz_cmd,
801 vlc_value_t oldval, vlc_value_t newval, void *p_data)
803 vout_thread_t *p_vout = (vout_thread_t *)p_this;
804 VLC_UNUSED(psz_cmd); VLC_UNUSED(oldval); VLC_UNUSED(p_data);
806 vout_ControlChangeSubMargin( p_vout, newval.i_int );
810 static int TitleShowCallback( vlc_object_t *p_this, char const *psz_cmd,
811 vlc_value_t oldval, vlc_value_t newval, void *p_data )
813 VLC_UNUSED(psz_cmd); VLC_UNUSED(oldval);
815 vout_thread_t *p_vout = (vout_thread_t *)p_this;
816 p_vout->p->title.show = newval.b_bool;
820 static int TitleTimeoutCallback( vlc_object_t *p_this, char const *psz_cmd,
821 vlc_value_t oldval, vlc_value_t newval, void *p_data )
823 VLC_UNUSED(psz_cmd); VLC_UNUSED(oldval); VLC_UNUSED(p_data);
824 vout_thread_t *p_vout = (vout_thread_t *)p_this;
825 p_vout->p->title.timeout = (mtime_t) newval.i_int;
829 static int TitlePositionCallback( vlc_object_t *p_this, char const *psz_cmd,
830 vlc_value_t oldval, vlc_value_t newval, void *p_data )
832 VLC_UNUSED(psz_cmd); VLC_UNUSED(oldval);
834 vout_thread_t *p_vout = (vout_thread_t *)p_this;
835 p_vout->p->title.position = newval.i_int;