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>
43 #include <vlc_modules.h>
46 #include <vlc_image.h>
47 #include <vlc_vout_osd.h>
48 #include <vlc_strings.h>
49 #include <vlc_charset.h>
50 #include "../libvlc.h"
51 #include "vout_internal.h"
53 /*****************************************************************************
55 *****************************************************************************/
56 /* Object variables callbacks */
57 static int ZoomCallback( vlc_object_t *, char const *,
58 vlc_value_t, vlc_value_t, void * );
59 static int CropCallback( vlc_object_t *, char const *,
60 vlc_value_t, vlc_value_t, void * );
61 static int CropBorderCallback( vlc_object_t *, char const *,
62 vlc_value_t, vlc_value_t, void * );
63 static int AspectCallback( vlc_object_t *, char const *,
64 vlc_value_t, vlc_value_t, void * );
65 static int ScalingCallback( vlc_object_t *, char const *,
66 vlc_value_t, vlc_value_t, void * );
67 static int OnTopCallback( vlc_object_t *, char const *,
68 vlc_value_t, vlc_value_t, void * );
69 static int FullscreenCallback( vlc_object_t *, char const *,
70 vlc_value_t, vlc_value_t, void * );
71 static int SnapshotCallback( vlc_object_t *, char const *,
72 vlc_value_t, vlc_value_t, void * );
73 static int VideoFilterCallback( vlc_object_t *, char const *,
74 vlc_value_t, vlc_value_t, void * );
75 static int VideoSplitterCallback( vlc_object_t *, char const *,
76 vlc_value_t, vlc_value_t, void * );
77 static int SubFilterCallback( vlc_object_t *, char const *,
78 vlc_value_t, vlc_value_t, void * );
79 static int SubMarginCallback( vlc_object_t *, char const *,
80 vlc_value_t, vlc_value_t, void * );
81 static int TitleShowCallback( vlc_object_t *, char const *,
82 vlc_value_t, vlc_value_t, void * );
83 static int TitleTimeoutCallback( vlc_object_t *, char const *,
84 vlc_value_t, vlc_value_t, void * );
85 static int TitlePositionCallback( vlc_object_t *, char const *,
86 vlc_value_t, vlc_value_t, void * );
88 /*****************************************************************************
89 * vout_IntfInit: called during the vout creation to initialise misc things.
90 *****************************************************************************/
94 const char *psz_label;
96 { 0.25, N_("1:4 Quarter") },
97 { 0.5, N_("1:2 Half") },
98 { 1, N_("1:1 Original") },
99 { 2, N_("2:1 Double") },
104 const char *psz_value;
105 const char *psz_label;
106 } p_crop_values[] = {
107 { "", N_("Default") },
108 { "16:10", "16:10" },
110 { "185:100", "1.85:1" },
111 { "221:100", "2.21:1" },
112 { "235:100", "2.35:1" },
113 { "239:100", "2.39:1" },
122 const char *psz_value;
123 const char *psz_label;
124 } p_aspect_ratio_values[] = {
125 { "", N_("Default") },
129 { "16:10", "16:10" },
130 { "221:100", "2.21:1" },
131 { "235:100", "2.35:1" },
132 { "239:100", "2.39:1" },
136 static void AddCustomRatios( vout_thread_t *p_vout, const char *psz_var,
141 char *psz_cur = psz_list;
143 while( psz_cur && *psz_cur )
145 vlc_value_t val, text;
146 psz_next = strchr( psz_cur, ',' );
152 val.psz_string = psz_cur;
153 text.psz_string = psz_cur;
154 var_Change( p_vout, psz_var, VLC_VAR_ADDCHOICE, &val, &text);
159 void vout_IntfInit( vout_thread_t *p_vout )
161 vlc_value_t val, text, old_val;
162 bool b_force_par = false;
166 /* Create a few object variables we'll need later on */
167 var_Create( p_vout, "snapshot-path", VLC_VAR_STRING | VLC_VAR_DOINHERIT );
168 var_Create( p_vout, "snapshot-prefix", VLC_VAR_STRING | VLC_VAR_DOINHERIT );
169 var_Create( p_vout, "snapshot-format", VLC_VAR_STRING | VLC_VAR_DOINHERIT );
170 var_Create( p_vout, "snapshot-preview", VLC_VAR_BOOL | VLC_VAR_DOINHERIT );
171 var_Create( p_vout, "snapshot-sequential",
172 VLC_VAR_BOOL | VLC_VAR_DOINHERIT );
173 var_Create( p_vout, "snapshot-num", VLC_VAR_INTEGER );
174 var_SetInteger( p_vout, "snapshot-num", 1 );
175 var_Create( p_vout, "snapshot-width", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
176 var_Create( p_vout, "snapshot-height", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
178 var_Create( p_vout, "width", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
179 var_Create( p_vout, "height", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
180 var_Create( p_vout, "align", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
182 var_Create( p_vout, "video-x", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
183 var_Create( p_vout, "video-y", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
185 var_Create( p_vout, "mouse-hide-timeout",
186 VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
188 p_vout->p->title.show = var_CreateGetBool( p_vout, "video-title-show" );
189 p_vout->p->title.timeout = var_CreateGetInteger( p_vout,
190 "video-title-timeout" );
191 p_vout->p->title.position = var_CreateGetInteger( p_vout,
192 "video-title-position" );
193 var_AddCallback( p_vout, "video-title-show", TitleShowCallback, NULL );
194 var_AddCallback( p_vout, "video-title-timeout", TitleTimeoutCallback, NULL );
195 var_AddCallback( p_vout, "video-title-position", TitlePositionCallback, NULL );
197 /* Zoom object var */
198 var_Create( p_vout, "zoom", VLC_VAR_FLOAT | VLC_VAR_ISCOMMAND |
199 VLC_VAR_HASCHOICE | VLC_VAR_DOINHERIT );
201 text.psz_string = _("Zoom");
202 var_Change( p_vout, "zoom", VLC_VAR_SETTEXT, &text, NULL );
204 var_Get( p_vout, "zoom", &old_val );
206 for( i = 0; p_zoom_values[i].f_value; i++ )
208 if( old_val.f_float == p_zoom_values[i].f_value )
209 var_Change( p_vout, "zoom", VLC_VAR_DELCHOICE, &old_val, NULL );
210 val.f_float = p_zoom_values[i].f_value;
211 text.psz_string = _( p_zoom_values[i].psz_label );
212 var_Change( p_vout, "zoom", VLC_VAR_ADDCHOICE, &val, &text );
215 var_Set( p_vout, "zoom", old_val ); /* Is this really needed? */
217 var_AddCallback( p_vout, "zoom", ZoomCallback, NULL );
219 /* Crop offset vars */
220 var_Create( p_vout, "crop-left", VLC_VAR_INTEGER | VLC_VAR_ISCOMMAND );
221 var_Create( p_vout, "crop-top", VLC_VAR_INTEGER | VLC_VAR_ISCOMMAND );
222 var_Create( p_vout, "crop-right", VLC_VAR_INTEGER | VLC_VAR_ISCOMMAND );
223 var_Create( p_vout, "crop-bottom", VLC_VAR_INTEGER | VLC_VAR_ISCOMMAND );
225 var_AddCallback( p_vout, "crop-left", CropBorderCallback, NULL );
226 var_AddCallback( p_vout, "crop-top", CropBorderCallback, NULL );
227 var_AddCallback( p_vout, "crop-right", CropBorderCallback, NULL );
228 var_AddCallback( p_vout, "crop-bottom", CropBorderCallback, NULL );
230 /* Crop object var */
231 var_Create( p_vout, "crop", VLC_VAR_STRING | VLC_VAR_ISCOMMAND |
232 VLC_VAR_HASCHOICE | VLC_VAR_DOINHERIT );
234 text.psz_string = _("Crop");
235 var_Change( p_vout, "crop", VLC_VAR_SETTEXT, &text, NULL );
237 val.psz_string = (char*)"";
238 var_Change( p_vout, "crop", VLC_VAR_DELCHOICE, &val, 0 );
240 for( i = 0; p_crop_values[i].psz_value; i++ )
242 val.psz_string = (char*)p_crop_values[i].psz_value;
243 text.psz_string = _( p_crop_values[i].psz_label );
244 var_Change( p_vout, "crop", VLC_VAR_ADDCHOICE, &val, &text );
247 /* Add custom crop ratios */
248 psz_buf = var_CreateGetNonEmptyString( p_vout, "custom-crop-ratios" );
251 AddCustomRatios( p_vout, "crop", psz_buf );
255 var_AddCallback( p_vout, "crop", CropCallback, NULL );
256 var_Get( p_vout, "crop", &old_val );
257 if( old_val.psz_string && *old_val.psz_string )
258 var_TriggerCallback( p_vout, "crop" );
259 free( old_val.psz_string );
261 /* Monitor pixel aspect-ratio */
262 var_Create( p_vout, "monitor-par", VLC_VAR_STRING | VLC_VAR_DOINHERIT );
263 var_Get( p_vout, "monitor-par", &val );
264 if( val.psz_string && *val.psz_string )
266 char *psz_parser = strchr( val.psz_string, ':' );
267 unsigned int i_aspect_num = 0, i_aspect_den = 0;
271 i_aspect_num = strtol( val.psz_string, 0, 10 );
272 i_aspect_den = strtol( ++psz_parser, 0, 10 );
276 i_aspect = us_atof( val.psz_string );
277 vlc_ureduce( &i_aspect_num, &i_aspect_den,
278 i_aspect *VOUT_ASPECT_FACTOR, VOUT_ASPECT_FACTOR, 0 );
280 if( !i_aspect_num || !i_aspect_den ) i_aspect_num = i_aspect_den = 1;
282 p_vout->p->i_par_num = i_aspect_num;
283 p_vout->p->i_par_den = i_aspect_den;
285 vlc_ureduce( &p_vout->p->i_par_num, &p_vout->p->i_par_den,
286 p_vout->p->i_par_num, p_vout->p->i_par_den, 0 );
288 msg_Dbg( p_vout, "overriding monitor pixel aspect-ratio: %i:%i",
289 p_vout->p->i_par_num, p_vout->p->i_par_den );
292 free( val.psz_string );
294 /* Aspect-ratio object var */
295 var_Create( p_vout, "aspect-ratio", VLC_VAR_STRING | VLC_VAR_ISCOMMAND |
296 VLC_VAR_HASCHOICE | VLC_VAR_DOINHERIT );
298 text.psz_string = _("Aspect-ratio");
299 var_Change( p_vout, "aspect-ratio", VLC_VAR_SETTEXT, &text, NULL );
301 val.psz_string = (char*)"";
302 var_Change( p_vout, "aspect-ratio", VLC_VAR_DELCHOICE, &val, 0 );
304 for( i = 0; p_aspect_ratio_values[i].psz_value; i++ )
306 val.psz_string = (char*)p_aspect_ratio_values[i].psz_value;
307 text.psz_string = _( p_aspect_ratio_values[i].psz_label );
308 var_Change( p_vout, "aspect-ratio", VLC_VAR_ADDCHOICE, &val, &text );
311 /* Add custom aspect ratios */
312 psz_buf = var_CreateGetNonEmptyString( p_vout, "custom-aspect-ratios" );
315 AddCustomRatios( p_vout, "aspect-ratio", psz_buf );
319 var_AddCallback( p_vout, "aspect-ratio", AspectCallback, NULL );
320 var_Get( p_vout, "aspect-ratio", &old_val );
321 if( (old_val.psz_string && *old_val.psz_string) || b_force_par )
322 var_TriggerCallback( p_vout, "aspect-ratio" );
323 free( old_val.psz_string );
325 /* Add variables to manage scaling video */
326 var_Create( p_vout, "autoscale", VLC_VAR_BOOL | VLC_VAR_DOINHERIT
327 | VLC_VAR_ISCOMMAND );
328 text.psz_string = _("Autoscale video");
329 var_Change( p_vout, "autoscale", VLC_VAR_SETTEXT, &text, NULL );
330 var_AddCallback( p_vout, "autoscale", ScalingCallback, NULL );
332 var_Create( p_vout, "scale", VLC_VAR_FLOAT | VLC_VAR_DOINHERIT
333 | VLC_VAR_ISCOMMAND );
334 text.psz_string = _("Scale factor");
335 var_Change( p_vout, "scale", VLC_VAR_SETTEXT, &text, NULL );
336 var_AddCallback( p_vout, "scale", ScalingCallback, NULL );
338 /* Add a variable to indicate if the window should be on top of others */
339 var_Create( p_vout, "video-on-top", VLC_VAR_BOOL | VLC_VAR_DOINHERIT
340 | VLC_VAR_ISCOMMAND );
341 text.psz_string = _("Always on top");
342 var_Change( p_vout, "video-on-top", VLC_VAR_SETTEXT, &text, NULL );
343 var_AddCallback( p_vout, "video-on-top", OnTopCallback, NULL );
344 var_TriggerCallback( p_vout, "video-on-top" );
346 /* Add a variable to indicate whether we want window decoration or not */
347 var_Create( p_vout, "video-deco", VLC_VAR_BOOL | VLC_VAR_DOINHERIT );
349 /* Add a fullscreen variable */
350 var_Create( p_vout, "fullscreen",
351 VLC_VAR_BOOL | VLC_VAR_DOINHERIT | VLC_VAR_ISCOMMAND );
352 text.psz_string = _("Fullscreen");
353 var_Change( p_vout, "fullscreen", VLC_VAR_SETTEXT, &text, NULL );
354 var_AddCallback( p_vout, "fullscreen", FullscreenCallback, NULL );
356 /* Add a snapshot variable */
357 var_Create( p_vout, "video-snapshot", VLC_VAR_VOID | VLC_VAR_ISCOMMAND );
358 text.psz_string = _("Snapshot");
359 var_Change( p_vout, "video-snapshot", VLC_VAR_SETTEXT, &text, NULL );
360 var_AddCallback( p_vout, "video-snapshot", SnapshotCallback, NULL );
362 /* Add a video-filter variable */
363 var_Create( p_vout, "video-filter",
364 VLC_VAR_STRING | VLC_VAR_DOINHERIT | VLC_VAR_ISCOMMAND );
365 var_AddCallback( p_vout, "video-filter", VideoFilterCallback, NULL );
366 var_TriggerCallback( p_vout, "video-filter" );
368 /* Add a video-splitter variable
369 * TODO rename vout-filter into vout-splitter */
370 var_Create( p_vout, "vout-filter",
371 VLC_VAR_STRING | VLC_VAR_DOINHERIT | VLC_VAR_ISCOMMAND );
372 text.psz_string = _("Video splitter");
373 var_Change( p_vout, "vout-filter", VLC_VAR_SETTEXT, &text, NULL );
374 var_AddCallback( p_vout, "vout-filter", VideoSplitterCallback, NULL );
376 /* Add a sub-filter variable */
377 var_Create( p_vout, "sub-filter",
378 VLC_VAR_STRING | VLC_VAR_DOINHERIT | VLC_VAR_ISCOMMAND );
379 var_AddCallback( p_vout, "sub-filter", SubFilterCallback, NULL );
380 var_TriggerCallback( p_vout, "sub-filter" );
382 /* Add sub-margin variable */
383 var_Create( p_vout, "sub-margin",
384 VLC_VAR_INTEGER | VLC_VAR_DOINHERIT | VLC_VAR_ISCOMMAND );
385 var_AddCallback( p_vout, "sub-margin", SubMarginCallback, NULL );
386 var_TriggerCallback( p_vout, "sub-margin" );
388 /* Mouse coordinates */
389 var_Create( p_vout, "mouse-button-down", VLC_VAR_INTEGER );
390 var_Create( p_vout, "mouse-moved", VLC_VAR_COORDS );
391 var_Create( p_vout, "mouse-clicked", VLC_VAR_COORDS );
392 var_Create( p_vout, "mouse-object", VLC_VAR_BOOL );
395 /*****************************************************************************
396 * vout_Snapshot: generates a snapshot.
397 *****************************************************************************/
399 * This function will inject a subpicture into the vout with the provided
402 static int VoutSnapshotPip( vout_thread_t *p_vout, picture_t *p_pic )
404 subpicture_t *p_subpic = subpicture_NewFromPicture( VLC_OBJECT(p_vout),
405 p_pic, VLC_CODEC_YUVA );
409 /* FIXME SPU_DEFAULT_CHANNEL is not good (used by the text) but
410 * hardcoded 0 doesn't seem right */
411 p_subpic->i_channel = 0;
412 p_subpic->i_start = mdate();
413 p_subpic->i_stop = p_subpic->i_start + 4000000;
414 p_subpic->b_ephemer = true;
415 p_subpic->b_fade = true;
417 /* Reduce the picture to 1/4^2 of the screen */
418 p_subpic->i_original_picture_width *= 4;
419 p_subpic->i_original_picture_height *= 4;
421 vout_PutSubpicture( p_vout, p_subpic );
426 * This function will display the name and a PIP of the provided snapshot
428 static void VoutOsdSnapshot( vout_thread_t *p_vout, picture_t *p_pic, const char *psz_filename )
430 msg_Dbg( p_vout, "snapshot taken (%s)", psz_filename );
431 vout_OSDMessage( p_vout, SPU_DEFAULT_CHANNEL, "%s", psz_filename );
433 if( var_GetBool( p_vout, "snapshot-preview" ) )
435 if( VoutSnapshotPip( p_vout, p_pic ) )
436 msg_Warn( p_vout, "Failed to display snapshot" );
441 int vout_GetSnapshot( vout_thread_t *p_vout,
442 block_t **pp_image, picture_t **pp_picture,
443 video_format_t *p_fmt,
444 const char *psz_format, mtime_t i_timeout )
446 picture_t *p_picture = vout_snapshot_Get( &p_vout->p->snapshot, i_timeout );
449 msg_Err( p_vout, "Failed to grab a snapshot" );
455 vlc_fourcc_t i_format = VLC_CODEC_PNG;
456 if( psz_format && image_Type2Fourcc( psz_format ) )
457 i_format = image_Type2Fourcc( psz_format );
459 const int i_override_width = var_GetInteger( p_vout, "snapshot-width" );
460 const int i_override_height = var_GetInteger( p_vout, "snapshot-height" );
462 if( picture_Export( VLC_OBJECT(p_vout), pp_image, p_fmt,
463 p_picture, i_format, i_override_width, i_override_height ) )
465 msg_Err( p_vout, "Failed to convert image for snapshot" );
466 picture_Release( p_picture );
471 *pp_picture = p_picture;
473 picture_Release( p_picture );
478 * This function will handle a snapshot request
480 static void VoutSaveSnapshot( vout_thread_t *p_vout )
482 char *psz_path = var_GetNonEmptyString( p_vout, "snapshot-path" );
483 char *psz_format = var_GetNonEmptyString( p_vout, "snapshot-format" );
484 char *psz_prefix = var_GetNonEmptyString( p_vout, "snapshot-prefix" );
487 picture_t *p_picture;
492 * XXX it will cause trouble with low fps video (< 2fps) */
493 if( vout_GetSnapshot( p_vout, &p_image, &p_picture, &fmt, psz_format, 500*1000 ) )
502 psz_path = vout_snapshot_GetDirectory();
505 msg_Err( p_vout, "no path specified for snapshots" );
510 vout_snapshot_save_cfg_t cfg;
511 memset( &cfg, 0, sizeof(cfg) );
512 cfg.is_sequential = var_GetBool( p_vout, "snapshot-sequential" );
513 cfg.sequence = var_GetInteger( p_vout, "snapshot-num" );
515 cfg.format = psz_format;
516 cfg.prefix_fmt = psz_prefix;
520 if (vout_snapshot_SaveImage( &psz_filename, &i_sequence,
521 p_image, VLC_OBJECT(p_vout), &cfg ) )
523 if( cfg.is_sequential )
524 var_SetInteger( p_vout, "snapshot-num", i_sequence + 1 );
526 VoutOsdSnapshot( p_vout, p_picture, psz_filename );
528 /* signal creation of a new snapshot file */
529 var_SetString( p_vout->p_libvlc, "snapshot-file", psz_filename );
531 free( psz_filename );
535 block_Release( p_image );
537 picture_Release( p_picture );
543 /*****************************************************************************
545 *****************************************************************************/
547 void vout_EnableFilter( vout_thread_t *p_vout, const char *psz_name,
548 bool b_add, bool b_setconfig )
552 const char *psz_filter_type;
554 /* FIXME temporary hack */
555 const char *psz_module_name = psz_name;
556 if( !strcmp( psz_name, "magnify" ) ||
557 !strcmp( psz_name, "puzzle" ) ||
558 !strcmp( psz_name, "logo" ) ||
559 !strcmp( psz_name, "wall" ) ||
560 !strcmp( psz_name, "clone" ) )
561 psz_module_name = "video_filter_wrapper";
563 module_t *p_obj = module_find( psz_module_name );
566 msg_Err( p_vout, "Unable to find filter module \"%s\".", psz_name );
570 if( module_provides( p_obj, "video filter" ) )
572 psz_filter_type = "vout-filter";
574 else if( module_provides( p_obj, "video filter2" ) )
576 psz_filter_type = "video-filter";
578 else if( module_provides( p_obj, "sub filter" ) )
580 psz_filter_type = "sub-filter";
584 module_release( p_obj );
585 msg_Err( p_vout, "Unknown video filter type." );
588 module_release( p_obj );
590 psz_string = var_GetString( p_vout, psz_filter_type );
592 /* Todo : Use some generic chain manipulation functions */
593 if( !psz_string ) psz_string = strdup("");
595 psz_parser = strstr( psz_string, psz_name );
600 psz_parser = psz_string;
601 if( asprintf( &psz_string, (*psz_string) ? "%s:%s" : "%s%s",
602 psz_string, psz_name ) == -1 )
616 memmove( psz_parser, psz_parser + strlen(psz_name) +
617 (*(psz_parser + strlen(psz_name)) == ':' ? 1 : 0 ),
618 strlen(psz_parser + strlen(psz_name)) + 1 );
620 /* Remove trailing : : */
621 if( *(psz_string+strlen(psz_string ) -1 ) == ':' )
623 *(psz_string+strlen(psz_string ) -1 ) = '\0';
635 config_PutPsz( p_vout, psz_filter_type, psz_string );
638 var_SetString( p_vout, psz_filter_type, psz_string );
643 /*****************************************************************************
644 * Object variables callbacks
645 *****************************************************************************/
646 static int ZoomCallback( vlc_object_t *p_this, char const *psz_cmd,
647 vlc_value_t oldval, vlc_value_t newval, void *p_data )
649 (void)psz_cmd; (void)oldval; (void)p_data;
651 return var_SetFloat( p_this, "scale", newval.f_float );
654 static int CropCallback( vlc_object_t *object, char const *cmd,
655 vlc_value_t oldval, vlc_value_t newval, void *data )
657 vout_thread_t *vout = (vout_thread_t *)object;
658 VLC_UNUSED(cmd); VLC_UNUSED(oldval); VLC_UNUSED(data);
661 unsigned width, height;
662 unsigned left, top, right, bottom;
664 if (sscanf(newval.psz_string, "%u:%u", &num, &den) == 2) {
665 vout_ControlChangeCropRatio(vout, num, den);
666 } else if (sscanf(newval.psz_string, "%ux%u+%u+%u",
667 &width, &height, &x, &y) == 4) {
668 vout_ControlChangeCropWindow(vout, x, y, width, height);
669 } else if (sscanf(newval.psz_string, "%u+%u+%u+%u",
670 &left, &top, &right, &bottom) == 4) {
671 vout_ControlChangeCropBorder(vout, left, top, right, bottom);
672 } else if (*newval.psz_string == '\0') {
673 vout_ControlChangeCropRatio(vout, 0, 0);
675 msg_Err(object, "Unknown crop format (%s)", newval.psz_string);
680 static int CropBorderCallback(vlc_object_t *object, char const *cmd,
681 vlc_value_t oldval, vlc_value_t newval, void *data)
683 vout_thread_t *vout = (vout_thread_t *)object;
684 VLC_UNUSED(cmd); VLC_UNUSED(oldval); VLC_UNUSED(data); VLC_UNUSED(newval);
686 vout_ControlChangeCropBorder(vout,
687 var_GetInteger(object, "crop-left"),
688 var_GetInteger(object, "crop-top"),
689 var_GetInteger(object, "crop-right"),
690 var_GetInteger(object, "crop-bottom"));
694 static int AspectCallback( vlc_object_t *object, char const *cmd,
695 vlc_value_t oldval, vlc_value_t newval, void *data )
697 vout_thread_t *vout = (vout_thread_t *)object;
698 VLC_UNUSED(cmd); VLC_UNUSED(oldval); VLC_UNUSED(data);
701 if (sscanf(newval.psz_string, "%u:%u", &num, &den) == 2 &&
702 (num > 0) == (den > 0))
703 vout_ControlChangeSampleAspectRatio(vout, num, den);
704 else if (*newval.psz_string == '\0')
705 vout_ControlChangeSampleAspectRatio(vout, 0, 0);
709 static int ScalingCallback( vlc_object_t *p_this, char const *psz_cmd,
710 vlc_value_t oldval, vlc_value_t newval, void *p_data )
712 vout_thread_t *p_vout = (vout_thread_t *)p_this;
713 (void)oldval; (void)newval; (void)p_data;
715 if( !strcmp( psz_cmd, "autoscale" ) )
716 vout_ControlChangeDisplayFilled( p_vout, newval.b_bool );
717 else if( !strcmp( psz_cmd, "scale" ) )
718 vout_ControlChangeZoom( p_vout, 1000 * newval.f_float, 1000 );
723 static int OnTopCallback( vlc_object_t *p_this, char const *psz_cmd,
724 vlc_value_t oldval, vlc_value_t newval, void *p_data )
726 vout_thread_t *p_vout = (vout_thread_t *)p_this;
727 (void)psz_cmd; (void)oldval; (void)p_data;
729 vout_ControlChangeOnTop( p_vout, newval.b_bool );
733 static int FullscreenCallback( vlc_object_t *p_this, char const *psz_cmd,
734 vlc_value_t oldval, vlc_value_t newval, void *p_data )
736 vout_thread_t *p_vout = (vout_thread_t *)p_this;
737 (void)psz_cmd; (void)p_data;
739 if( oldval.b_bool != newval.b_bool )
740 vout_ControlChangeFullscreen( p_vout, newval.b_bool );
744 static int SnapshotCallback( vlc_object_t *p_this, char const *psz_cmd,
745 vlc_value_t oldval, vlc_value_t newval, void *p_data )
747 vout_thread_t *p_vout = (vout_thread_t *)p_this;
748 VLC_UNUSED(psz_cmd); VLC_UNUSED(oldval);
749 VLC_UNUSED(newval); VLC_UNUSED(p_data);
751 VoutSaveSnapshot( p_vout );
755 static int VideoFilterCallback( vlc_object_t *p_this, char const *psz_cmd,
756 vlc_value_t oldval, vlc_value_t newval, void *p_data)
758 vout_thread_t *p_vout = (vout_thread_t *)p_this;
759 VLC_UNUSED(psz_cmd); VLC_UNUSED(oldval); VLC_UNUSED(p_data);
761 vout_ControlChangeFilters( p_vout, newval.psz_string );
765 static int VideoSplitterCallback( vlc_object_t *p_this, char const *psz_cmd,
766 vlc_value_t oldval, vlc_value_t newval, void *p_data )
768 vout_thread_t *p_vout = (vout_thread_t *)p_this;
769 input_thread_t *p_input;
770 (void)psz_cmd; (void)oldval; (void)p_data;
772 p_input = (input_thread_t *)vlc_object_find( p_this, VLC_OBJECT_INPUT,
776 msg_Err( p_vout, "Input not found" );
780 /* Modify input as well because the vout might have to be restarted */
781 var_Create( p_input, "vout-filter", VLC_VAR_STRING );
782 var_SetString( p_input, "vout-filter", newval.psz_string );
784 /* Now restart current video stream */
785 input_Control( p_input, INPUT_RESTART_ES, -VIDEO_ES );
786 vlc_object_release( p_input );
791 static int SubFilterCallback( vlc_object_t *p_this, char const *psz_cmd,
792 vlc_value_t oldval, vlc_value_t newval, void *p_data)
794 vout_thread_t *p_vout = (vout_thread_t *)p_this;
795 VLC_UNUSED(psz_cmd); VLC_UNUSED(oldval); VLC_UNUSED(p_data);
797 vout_ControlChangeSubFilters( p_vout, newval.psz_string );
801 static int SubMarginCallback( vlc_object_t *p_this, char const *psz_cmd,
802 vlc_value_t oldval, vlc_value_t newval, void *p_data)
804 vout_thread_t *p_vout = (vout_thread_t *)p_this;
805 VLC_UNUSED(psz_cmd); VLC_UNUSED(oldval); VLC_UNUSED(p_data);
807 vout_ControlChangeSubMargin( p_vout, newval.i_int );
811 static int TitleShowCallback( vlc_object_t *p_this, char const *psz_cmd,
812 vlc_value_t oldval, vlc_value_t newval, void *p_data )
814 VLC_UNUSED(psz_cmd); VLC_UNUSED(oldval);
816 vout_thread_t *p_vout = (vout_thread_t *)p_this;
817 p_vout->p->title.show = newval.b_bool;
821 static int TitleTimeoutCallback( vlc_object_t *p_this, char const *psz_cmd,
822 vlc_value_t oldval, vlc_value_t newval, void *p_data )
824 VLC_UNUSED(psz_cmd); VLC_UNUSED(oldval); VLC_UNUSED(p_data);
825 vout_thread_t *p_vout = (vout_thread_t *)p_this;
826 p_vout->p->title.timeout = (mtime_t) newval.i_int;
830 static int TitlePositionCallback( vlc_object_t *p_this, char const *psz_cmd,
831 vlc_value_t oldval, vlc_value_t newval, void *p_data )
833 VLC_UNUSED(psz_cmd); VLC_UNUSED(oldval);
835 vout_thread_t *p_vout = (vout_thread_t *)p_this;
836 p_vout->p->title.position = newval.i_int;