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 * );
73 static int TitleShowCallback( vlc_object_t *, char const *,
74 vlc_value_t, vlc_value_t, void * );
75 static int TitleTimeoutCallback( vlc_object_t *, char const *,
76 vlc_value_t, vlc_value_t, void * );
77 static int TitlePositionCallback( vlc_object_t *, char const *,
78 vlc_value_t, vlc_value_t, void * );
80 /*****************************************************************************
81 * vout_IntfInit: called during the vout creation to initialise misc things.
82 *****************************************************************************/
86 const char *psz_label;
88 { 0.25, N_("1:4 Quarter") },
89 { 0.5, N_("1:2 Half") },
90 { 1, N_("1:1 Original") },
91 { 2, N_("2:1 Double") },
96 const char *psz_value;
97 const char *psz_label;
99 { "", N_("Default") },
100 { "16:10", "16:10" },
102 { "185:100", "1.85:1" },
103 { "221:100", "2.21:1" },
104 { "235:100", "2.35:1" },
105 { "239:100", "2.39:1" },
114 const char *psz_value;
115 const char *psz_label;
116 } p_aspect_ratio_values[] = {
117 { "", N_("Default") },
121 { "16:10", "16:10" },
122 { "221:100", "2.21:1" },
123 { "235:100", "2.35:1" },
124 { "239:100", "2.39:1" },
128 static void AddCustomRatios( vout_thread_t *p_vout, const char *psz_var,
133 char *psz_cur = psz_list;
135 while( psz_cur && *psz_cur )
137 vlc_value_t val, text;
138 psz_next = strchr( psz_cur, ',' );
144 val.psz_string = psz_cur;
145 text.psz_string = psz_cur;
146 var_Change( p_vout, psz_var, VLC_VAR_ADDCHOICE, &val, &text);
151 void vout_IntfInit( vout_thread_t *p_vout )
153 vlc_value_t val, text, old_val;
154 bool b_force_par = false;
158 /* Create a few object variables we'll need later on */
159 var_Create( p_vout, "snapshot-path", VLC_VAR_STRING | VLC_VAR_DOINHERIT );
160 var_Create( p_vout, "snapshot-prefix", VLC_VAR_STRING | VLC_VAR_DOINHERIT );
161 var_Create( p_vout, "snapshot-format", VLC_VAR_STRING | VLC_VAR_DOINHERIT );
162 var_Create( p_vout, "snapshot-preview", VLC_VAR_BOOL | VLC_VAR_DOINHERIT );
163 var_Create( p_vout, "snapshot-sequential",
164 VLC_VAR_BOOL | VLC_VAR_DOINHERIT );
165 var_Create( p_vout, "snapshot-num", VLC_VAR_INTEGER );
166 var_SetInteger( p_vout, "snapshot-num", 1 );
167 var_Create( p_vout, "snapshot-width", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
168 var_Create( p_vout, "snapshot-height", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
170 var_Create( p_vout, "width", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
171 var_Create( p_vout, "height", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
172 var_Create( p_vout, "align", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
174 var_Create( p_vout, "video-x", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
175 var_Create( p_vout, "video-y", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
177 var_Create( p_vout, "mouse-hide-timeout",
178 VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
180 p_vout->p->title.show = var_CreateGetBool( p_vout, "video-title-show" );
181 p_vout->p->title.timeout = var_CreateGetInteger( p_vout,
182 "video-title-timeout" );
183 p_vout->p->title.position = var_CreateGetInteger( p_vout,
184 "video-title-position" );
185 var_AddCallback( p_vout, "video-title-show", TitleShowCallback, NULL );
186 var_AddCallback( p_vout, "video-title-timeout", TitleTimeoutCallback, NULL );
187 var_AddCallback( p_vout, "video-title-position", TitlePositionCallback, NULL );
189 /* Zoom object var */
190 var_Create( p_vout, "zoom", VLC_VAR_FLOAT | VLC_VAR_ISCOMMAND |
191 VLC_VAR_HASCHOICE | VLC_VAR_DOINHERIT );
193 text.psz_string = _("Zoom");
194 var_Change( p_vout, "zoom", VLC_VAR_SETTEXT, &text, NULL );
196 var_Get( p_vout, "zoom", &old_val );
198 for( i = 0; p_zoom_values[i].f_value; i++ )
200 if( old_val.f_float == p_zoom_values[i].f_value )
201 var_Change( p_vout, "zoom", VLC_VAR_DELCHOICE, &old_val, NULL );
202 val.f_float = p_zoom_values[i].f_value;
203 text.psz_string = _( p_zoom_values[i].psz_label );
204 var_Change( p_vout, "zoom", VLC_VAR_ADDCHOICE, &val, &text );
207 var_Set( p_vout, "zoom", old_val ); /* Is this really needed? */
209 var_AddCallback( p_vout, "zoom", ZoomCallback, NULL );
211 /* Crop offset vars */
212 var_Create( p_vout, "crop-left", VLC_VAR_INTEGER | VLC_VAR_ISCOMMAND );
213 var_Create( p_vout, "crop-top", VLC_VAR_INTEGER | VLC_VAR_ISCOMMAND );
214 var_Create( p_vout, "crop-right", VLC_VAR_INTEGER | VLC_VAR_ISCOMMAND );
215 var_Create( p_vout, "crop-bottom", VLC_VAR_INTEGER | VLC_VAR_ISCOMMAND );
217 var_AddCallback( p_vout, "crop-left", CropBorderCallback, NULL );
218 var_AddCallback( p_vout, "crop-top", CropBorderCallback, NULL );
219 var_AddCallback( p_vout, "crop-right", CropBorderCallback, NULL );
220 var_AddCallback( p_vout, "crop-bottom", CropBorderCallback, NULL );
222 /* Crop object var */
223 var_Create( p_vout, "crop", VLC_VAR_STRING | VLC_VAR_ISCOMMAND |
224 VLC_VAR_HASCHOICE | VLC_VAR_DOINHERIT );
226 text.psz_string = _("Crop");
227 var_Change( p_vout, "crop", VLC_VAR_SETTEXT, &text, NULL );
229 val.psz_string = (char*)"";
230 var_Change( p_vout, "crop", VLC_VAR_DELCHOICE, &val, 0 );
232 for( i = 0; p_crop_values[i].psz_value; i++ )
234 val.psz_string = (char*)p_crop_values[i].psz_value;
235 text.psz_string = _( p_crop_values[i].psz_label );
236 var_Change( p_vout, "crop", VLC_VAR_ADDCHOICE, &val, &text );
239 /* update triggered every time the vout's crop parameters are changed */
240 var_Create( p_vout, "crop-update", VLC_VAR_VOID );
242 /* Add custom crop ratios */
243 psz_buf = var_CreateGetNonEmptyString( p_vout, "custom-crop-ratios" );
246 AddCustomRatios( p_vout, "crop", psz_buf );
250 var_AddCallback( p_vout, "crop", CropCallback, NULL );
251 var_Get( p_vout, "crop", &old_val );
252 if( old_val.psz_string && *old_val.psz_string )
253 var_TriggerCallback( p_vout, "crop" );
254 free( old_val.psz_string );
256 /* Monitor pixel aspect-ratio */
257 var_Create( p_vout, "monitor-par", VLC_VAR_STRING | VLC_VAR_DOINHERIT );
258 var_Get( p_vout, "monitor-par", &val );
259 if( val.psz_string && *val.psz_string )
261 char *psz_parser = strchr( val.psz_string, ':' );
262 unsigned int i_aspect_num = 0, i_aspect_den = 0;
266 i_aspect_num = strtol( val.psz_string, 0, 10 );
267 i_aspect_den = strtol( ++psz_parser, 0, 10 );
271 i_aspect = us_atof( val.psz_string );
272 vlc_ureduce( &i_aspect_num, &i_aspect_den,
273 i_aspect *VOUT_ASPECT_FACTOR, VOUT_ASPECT_FACTOR, 0 );
275 if( !i_aspect_num || !i_aspect_den ) i_aspect_num = i_aspect_den = 1;
277 p_vout->p->i_par_num = i_aspect_num;
278 p_vout->p->i_par_den = i_aspect_den;
280 vlc_ureduce( &p_vout->p->i_par_num, &p_vout->p->i_par_den,
281 p_vout->p->i_par_num, p_vout->p->i_par_den, 0 );
283 msg_Dbg( p_vout, "overriding monitor pixel aspect-ratio: %i:%i",
284 p_vout->p->i_par_num, p_vout->p->i_par_den );
287 free( val.psz_string );
289 /* Aspect-ratio object var */
290 var_Create( p_vout, "aspect-ratio", VLC_VAR_STRING | VLC_VAR_ISCOMMAND |
291 VLC_VAR_HASCHOICE | VLC_VAR_DOINHERIT );
293 text.psz_string = _("Aspect-ratio");
294 var_Change( p_vout, "aspect-ratio", VLC_VAR_SETTEXT, &text, NULL );
296 val.psz_string = (char*)"";
297 var_Change( p_vout, "aspect-ratio", VLC_VAR_DELCHOICE, &val, 0 );
299 for( i = 0; p_aspect_ratio_values[i].psz_value; i++ )
301 val.psz_string = (char*)p_aspect_ratio_values[i].psz_value;
302 text.psz_string = _( p_aspect_ratio_values[i].psz_label );
303 var_Change( p_vout, "aspect-ratio", VLC_VAR_ADDCHOICE, &val, &text );
306 /* Add custom aspect ratios */
307 psz_buf = var_CreateGetNonEmptyString( p_vout, "custom-aspect-ratios" );
310 AddCustomRatios( p_vout, "aspect-ratio", psz_buf );
314 var_AddCallback( p_vout, "aspect-ratio", AspectCallback, NULL );
315 var_Get( p_vout, "aspect-ratio", &old_val );
316 if( (old_val.psz_string && *old_val.psz_string) || b_force_par )
317 var_TriggerCallback( p_vout, "aspect-ratio" );
318 free( old_val.psz_string );
320 /* Add variables to manage scaling video */
321 var_Create( p_vout, "autoscale", VLC_VAR_BOOL | VLC_VAR_DOINHERIT
322 | VLC_VAR_ISCOMMAND );
323 text.psz_string = _("Autoscale video");
324 var_Change( p_vout, "autoscale", VLC_VAR_SETTEXT, &text, NULL );
325 var_AddCallback( p_vout, "autoscale", ScalingCallback, NULL );
327 var_Create( p_vout, "scale", VLC_VAR_FLOAT | VLC_VAR_DOINHERIT
328 | VLC_VAR_ISCOMMAND );
329 text.psz_string = _("Scale factor");
330 var_Change( p_vout, "scale", VLC_VAR_SETTEXT, &text, NULL );
331 var_AddCallback( p_vout, "scale", ScalingCallback, NULL );
333 /* Add a variable to indicate if the window should be on top of others */
334 var_Create( p_vout, "video-on-top", VLC_VAR_BOOL | VLC_VAR_DOINHERIT
335 | VLC_VAR_ISCOMMAND );
336 text.psz_string = _("Always on top");
337 var_Change( p_vout, "video-on-top", VLC_VAR_SETTEXT, &text, NULL );
338 var_AddCallback( p_vout, "video-on-top", OnTopCallback, NULL );
339 var_TriggerCallback( p_vout, "video-on-top" );
341 /* Add a variable to indicate whether we want window decoration or not */
342 var_Create( p_vout, "video-deco", VLC_VAR_BOOL | VLC_VAR_DOINHERIT );
344 /* Add a fullscreen variable */
345 var_Create( p_vout, "fullscreen",
346 VLC_VAR_BOOL | VLC_VAR_DOINHERIT | VLC_VAR_ISCOMMAND );
347 text.psz_string = _("Fullscreen");
348 var_Change( p_vout, "fullscreen", VLC_VAR_SETTEXT, &text, NULL );
349 var_AddCallback( p_vout, "fullscreen", FullscreenCallback, NULL );
351 /* Add a snapshot variable */
352 var_Create( p_vout, "video-snapshot", VLC_VAR_VOID | VLC_VAR_ISCOMMAND );
353 text.psz_string = _("Snapshot");
354 var_Change( p_vout, "video-snapshot", VLC_VAR_SETTEXT, &text, NULL );
355 var_AddCallback( p_vout, "video-snapshot", SnapshotCallback, NULL );
357 /* Mouse coordinates */
358 var_Create( p_vout, "mouse-button-down", VLC_VAR_INTEGER );
359 var_Create( p_vout, "mouse-moved", VLC_VAR_COORDS );
360 var_Create( p_vout, "mouse-clicked", VLC_VAR_COORDS );
361 var_Create( p_vout, "mouse-object", VLC_VAR_BOOL );
364 /*****************************************************************************
365 * vout_Snapshot: generates a snapshot.
366 *****************************************************************************/
368 * This function will inject a subpicture into the vout with the provided
371 static int VoutSnapshotPip( vout_thread_t *p_vout, picture_t *p_pic )
373 subpicture_t *p_subpic = subpicture_NewFromPicture( VLC_OBJECT(p_vout),
374 p_pic, VLC_CODEC_YUVA );
378 /* FIXME SPU_DEFAULT_CHANNEL is not good (used by the text) but
379 * hardcoded 0 doesn't seem right */
380 p_subpic->i_channel = 0;
381 p_subpic->i_start = mdate();
382 p_subpic->i_stop = p_subpic->i_start + 4000000;
383 p_subpic->b_ephemer = true;
384 p_subpic->b_fade = true;
386 /* Reduce the picture to 1/4^2 of the screen */
387 p_subpic->i_original_picture_width *= 4;
388 p_subpic->i_original_picture_height *= 4;
390 spu_DisplaySubpicture( vout_GetSpu( p_vout ), p_subpic );
395 * This function will display the name and a PIP of the provided snapshot
397 static void VoutOsdSnapshot( vout_thread_t *p_vout, picture_t *p_pic, const char *psz_filename )
399 msg_Dbg( p_vout, "snapshot taken (%s)", psz_filename );
400 vout_OSDMessage( p_vout, SPU_DEFAULT_CHANNEL, "%s", psz_filename );
402 if( var_GetBool( p_vout, "snapshot-preview" ) )
404 if( VoutSnapshotPip( p_vout, p_pic ) )
405 msg_Warn( p_vout, "Failed to display snapshot" );
410 int vout_GetSnapshot( vout_thread_t *p_vout,
411 block_t **pp_image, picture_t **pp_picture,
412 video_format_t *p_fmt,
413 const char *psz_format, mtime_t i_timeout )
415 picture_t *p_picture = vout_snapshot_Get( &p_vout->p->snapshot, i_timeout );
418 msg_Err( p_vout, "Failed to grab a snapshot" );
424 vlc_fourcc_t i_format = VLC_CODEC_PNG;
425 if( psz_format && image_Type2Fourcc( psz_format ) )
426 i_format = image_Type2Fourcc( psz_format );
428 const int i_override_width = var_GetInteger( p_vout, "snapshot-width" );
429 const int i_override_height = var_GetInteger( p_vout, "snapshot-height" );
431 if( picture_Export( VLC_OBJECT(p_vout), pp_image, p_fmt,
432 p_picture, i_format, i_override_width, i_override_height ) )
434 msg_Err( p_vout, "Failed to convert image for snapshot" );
435 picture_Release( p_picture );
440 *pp_picture = p_picture;
442 picture_Release( p_picture );
447 * This function will handle a snapshot request
449 static void VoutSaveSnapshot( vout_thread_t *p_vout )
451 char *psz_path = var_GetNonEmptyString( p_vout, "snapshot-path" );
452 char *psz_format = var_GetNonEmptyString( p_vout, "snapshot-format" );
453 char *psz_prefix = var_GetNonEmptyString( p_vout, "snapshot-prefix" );
456 picture_t *p_picture;
461 * XXX it will cause trouble with low fps video (< 2fps) */
462 if( vout_GetSnapshot( p_vout, &p_image, &p_picture, &fmt, psz_format, 500*1000 ) )
471 psz_path = vout_snapshot_GetDirectory();
474 msg_Err( p_vout, "no path specified for snapshots" );
479 vout_snapshot_save_cfg_t cfg;
480 memset( &cfg, 0, sizeof(cfg) );
481 cfg.is_sequential = var_GetBool( p_vout, "snapshot-sequential" );
482 cfg.sequence = var_GetInteger( p_vout, "snapshot-num" );
484 cfg.format = psz_format;
485 cfg.prefix_fmt = psz_prefix;
489 if (vout_snapshot_SaveImage( &psz_filename, &i_sequence,
490 p_image, VLC_OBJECT(p_vout), &cfg ) )
492 if( cfg.is_sequential )
493 var_SetInteger( p_vout, "snapshot-num", i_sequence + 1 );
495 VoutOsdSnapshot( p_vout, p_picture, psz_filename );
497 /* signal creation of a new snapshot file */
498 var_SetString( p_vout->p_libvlc, "snapshot-file", psz_filename );
500 free( psz_filename );
504 block_Release( p_image );
506 picture_Release( p_picture );
512 /*****************************************************************************
514 *****************************************************************************/
516 void vout_EnableFilter( vout_thread_t *p_vout, const char *psz_name,
517 bool b_add, bool b_setconfig )
521 const char *psz_filter_type;
523 /* FIXME temporary hack */
524 const char *psz_module_name = psz_name;
525 if( !strcmp( psz_name, "magnify" ) ||
526 !strcmp( psz_name, "puzzle" ) ||
527 !strcmp( psz_name, "logo" ) ||
528 !strcmp( psz_name, "wall" ) ||
529 !strcmp( psz_name, "clone" ) )
530 psz_module_name = "video_filter_wrapper";
532 module_t *p_obj = module_find( psz_module_name );
535 msg_Err( p_vout, "Unable to find filter module \"%s\".", psz_name );
539 if( module_provides( p_obj, "video filter" ) )
541 psz_filter_type = "vout-filter";
543 else if( module_provides( p_obj, "video filter2" ) )
545 psz_filter_type = "video-filter";
547 else if( module_provides( p_obj, "sub filter" ) )
549 psz_filter_type = "sub-filter";
553 module_release( p_obj );
554 msg_Err( p_vout, "Unknown video filter type." );
557 module_release( p_obj );
559 if( !strcmp( psz_filter_type, "sub-filter") )
560 psz_string = var_GetString( vout_GetSpu( p_vout ), psz_filter_type );
562 psz_string = var_GetString( p_vout, psz_filter_type );
564 /* Todo : Use some generic chain manipulation functions */
565 if( !psz_string ) psz_string = strdup("");
567 psz_parser = strstr( psz_string, psz_name );
572 psz_parser = psz_string;
573 if( asprintf( &psz_string, (*psz_string) ? "%s:%s" : "%s%s",
574 psz_string, psz_name ) == -1 )
588 memmove( psz_parser, psz_parser + strlen(psz_name) +
589 (*(psz_parser + strlen(psz_name)) == ':' ? 1 : 0 ),
590 strlen(psz_parser + strlen(psz_name)) + 1 );
592 /* Remove trailing : : */
593 if( *(psz_string+strlen(psz_string ) -1 ) == ':' )
595 *(psz_string+strlen(psz_string ) -1 ) = '\0';
607 if( !strcmp( psz_filter_type, "sub-filter") )
608 config_PutPsz( vout_GetSpu( p_vout ), psz_filter_type, psz_string );
610 config_PutPsz( p_vout, psz_filter_type, psz_string );
613 if( !strcmp( psz_filter_type, "sub-filter") )
614 var_SetString( vout_GetSpu( p_vout ), psz_filter_type, psz_string );
616 var_SetString( p_vout, psz_filter_type, psz_string );
621 /*****************************************************************************
622 * Object variables callbacks
623 *****************************************************************************/
624 static int ZoomCallback( vlc_object_t *p_this, char const *psz_cmd,
625 vlc_value_t oldval, vlc_value_t newval, void *p_data )
627 (void)psz_cmd; (void)oldval; (void)p_data;
629 return var_SetFloat( p_this, "scale", newval.f_float );
632 static int CropCallback( vlc_object_t *object, char const *cmd,
633 vlc_value_t oldval, vlc_value_t newval, void *data )
635 vout_thread_t *vout = (vout_thread_t *)object;
636 VLC_UNUSED(cmd); VLC_UNUSED(oldval); VLC_UNUSED(data);
639 unsigned width, height;
640 unsigned left, top, right, bottom;
642 if (sscanf(newval.psz_string, "%u:%u", &num, &den) == 2) {
643 vout_ControlChangeCropRatio(vout, num, den);
644 } else if (sscanf(newval.psz_string, "%ux%u+%u+%u",
645 &width, &height, &x, &y) == 4) {
646 vout_ControlChangeCropWindow(vout, x, y, width, height);
647 } else if (sscanf(newval.psz_string, "%u+%u+%u+%u",
648 &left, &top, &right, &bottom) == 4) {
649 vout_ControlChangeCropBorder(vout, left, top, right, bottom);
650 } else if (*newval.psz_string == '\0') {
651 vout_ControlChangeCropRatio(vout, 0, 0);
653 msg_Err(object, "Unknown crop format (%s)", newval.psz_string);
658 static int CropBorderCallback(vlc_object_t *object, char const *cmd,
659 vlc_value_t oldval, vlc_value_t newval, void *data)
661 vout_thread_t *vout = (vout_thread_t *)object;
662 VLC_UNUSED(cmd); VLC_UNUSED(oldval); VLC_UNUSED(data); VLC_UNUSED(newval);
664 vout_ControlChangeCropBorder(vout,
665 var_GetInteger(object, "crop-left"),
666 var_GetInteger(object, "crop-top"),
667 var_GetInteger(object, "crop-right"),
668 var_GetInteger(object, "crop-bottom"));
672 static int AspectCallback( vlc_object_t *object, char const *cmd,
673 vlc_value_t oldval, vlc_value_t newval, void *data )
675 vout_thread_t *vout = (vout_thread_t *)object;
676 VLC_UNUSED(cmd); VLC_UNUSED(oldval); VLC_UNUSED(data);
679 if (sscanf(newval.psz_string, "%u:%u", &num, &den) == 2 &&
680 (num > 0) == (den > 0))
681 vout_ControlChangeSampleAspectRatio(vout, num, den);
682 else if (*newval.psz_string == '\0')
683 vout_ControlChangeSampleAspectRatio(vout, 0, 0);
687 static int ScalingCallback( vlc_object_t *p_this, char const *psz_cmd,
688 vlc_value_t oldval, vlc_value_t newval, void *p_data )
690 vout_thread_t *p_vout = (vout_thread_t *)p_this;
691 (void)oldval; (void)newval; (void)p_data;
693 if( !strcmp( psz_cmd, "autoscale" ) )
694 vout_ControlChangeDisplayFilled( p_vout, newval.b_bool );
695 else if( !strcmp( psz_cmd, "scale" ) )
696 vout_ControlChangeZoom( p_vout, 1000 * newval.f_float, 1000 );
701 static int OnTopCallback( vlc_object_t *p_this, char const *psz_cmd,
702 vlc_value_t oldval, vlc_value_t newval, void *p_data )
704 vout_thread_t *p_vout = (vout_thread_t *)p_this;
705 (void)psz_cmd; (void)oldval; (void)p_data;
707 vout_ControlChangeOnTop( p_vout, newval.b_bool );
711 static int FullscreenCallback( vlc_object_t *p_this, char const *psz_cmd,
712 vlc_value_t oldval, vlc_value_t newval, void *p_data )
714 vout_thread_t *p_vout = (vout_thread_t *)p_this;
715 (void)psz_cmd; (void)p_data;
717 if( oldval.b_bool != newval.b_bool )
718 vout_ControlChangeFullscreen( p_vout, newval.b_bool );
722 static int SnapshotCallback( 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 VLC_UNUSED(psz_cmd); VLC_UNUSED(oldval);
727 VLC_UNUSED(newval); VLC_UNUSED(p_data);
729 VoutSaveSnapshot( p_vout );
733 static int TitleShowCallback( vlc_object_t *p_this, char const *psz_cmd,
734 vlc_value_t oldval, vlc_value_t newval, void *p_data )
736 VLC_UNUSED(psz_cmd); VLC_UNUSED(oldval);
738 vout_thread_t *p_vout = (vout_thread_t *)p_this;
739 p_vout->p->title.show = newval.b_bool;
743 static int TitleTimeoutCallback( vlc_object_t *p_this, char const *psz_cmd,
744 vlc_value_t oldval, vlc_value_t newval, void *p_data )
746 VLC_UNUSED(psz_cmd); VLC_UNUSED(oldval); VLC_UNUSED(p_data);
747 vout_thread_t *p_vout = (vout_thread_t *)p_this;
748 p_vout->p->title.timeout = (mtime_t) newval.i_int;
752 static int TitlePositionCallback( vlc_object_t *p_this, char const *psz_cmd,
753 vlc_value_t oldval, vlc_value_t newval, void *p_data )
755 VLC_UNUSED(psz_cmd); VLC_UNUSED(oldval);
757 vout_thread_t *p_vout = (vout_thread_t *)p_this;
758 p_vout->p->title.position = newval.i_int;