1 /*****************************************************************************
2 * osdmenu.c: osd filter module
3 *****************************************************************************
4 * Copyright (C) 2004-2007 M2X
7 * Authors: Jean-Paul Saman <jpsaman #_at_# m2x dot nl>
9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License as published by
11 * the Free Software Foundation; either version 2 of the License, or
12 * (at your option) any later version.
14 * This program is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implid warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 * GNU General Public License for more details.
19 * You should have received a copy of the GNU General Public License
20 * along with this program; if not, write to the Free Software
21 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
22 *****************************************************************************/
24 /*****************************************************************************
26 *****************************************************************************/
31 #include <vlc_filter.h>
35 /*****************************************************************************
37 *****************************************************************************/
39 /* FIXME: Future extension make the definition file in XML format. */
40 #define OSD_FILE_TEXT N_("Configuration file")
41 #define OSD_FILE_LONGTEXT N_( \
42 "Configuration file for the OSD Menu." )
43 #define OSD_PATH_TEXT N_("Path to OSD menu images")
44 #define OSD_PATH_LONGTEXT N_( \
45 "Path to the OSD menu images. This will override the path defined in the " \
46 "OSD configuration file." )
48 #define POSX_TEXT N_("X coordinate")
49 #define POSX_LONGTEXT N_("You can move the OSD menu by left-clicking on it." )
51 #define POSY_TEXT N_("Y coordinate")
52 #define POSY_LONGTEXT N_("You can move the OSD menu by left-clicking on it." )
54 #define POS_TEXT N_("Menu position")
55 #define POS_LONGTEXT N_( \
56 "You can enforce the OSD menu position on the video " \
57 "(0=center, 1=left, 2=right, 4=top, 8=bottom, you can " \
58 "also use combinations of these values, eg. 6 = top-right).")
60 #define TIMEOUT_TEXT N_("Menu timeout")
61 #define TIMEOUT_LONGTEXT N_( \
62 "OSD menu pictures get a default timeout of 15 seconds added to their " \
63 "remaining time. This will ensure that they are at least the specified " \
66 #define OSD_UPDATE_TEXT N_("Menu update interval" )
67 #define OSD_UPDATE_LONGTEXT N_( \
68 "The default is to update the OSD menu picture every 200 ms. Shorten the" \
69 " update time for environments that experience transmissions errors. " \
70 "Be careful with this option as encoding OSD menu pictures is very " \
71 "computing intensive. The range is 0 - 1000 ms." )
73 #define OSD_ALPHA_TEXT N_("Alpha transparency value (default 255)")
74 #define OSD_ALPHA_LONGTEXT N_( \
75 "The transparency of the OSD menu can be changed by giving a value " \
76 "between 0 and 255. A lower value specifies more transparency a higher " \
77 "means less transparency. The default is being not transparent " \
78 "(value 255) the minimum is fully transparent (value 0)." )
80 static int pi_pos_values[] = { 0, 1, 2, 4, 8, 5, 6, 9, 10 };
81 static const char *ppsz_pos_descriptions[] =
82 { N_("Center"), N_("Left"), N_("Right"), N_("Top"), N_("Bottom"),
83 N_("Top-Left"), N_("Top-Right"), N_("Bottom-Left"), N_("Bottom-Right") };
85 /* subfilter functions */
86 static int CreateFilter ( vlc_object_t * );
87 static void DestroyFilter( vlc_object_t * );
88 static subpicture_t *Filter( filter_t *, mtime_t );
89 static int OSDMenuUpdateEvent( vlc_object_t *, char const *,
90 vlc_value_t, vlc_value_t, void * );
91 static int OSDMenuVisibleEvent( vlc_object_t *, char const *,
92 vlc_value_t, vlc_value_t, void * );
93 static int OSDMenuCallback( vlc_object_t *, char const *,
94 vlc_value_t, vlc_value_t, void * );
96 #define OSD_CFG "osdmenu-"
98 #if defined( WIN32 ) || defined( UNDER_CE )
99 #define OSD_DEFAULT_CFG "osdmenu/default.cfg"
101 #define OSD_DEFAULT_CFG "share/osdmenu/default.cfg"
104 #define OSD_UPDATE_MIN 0
105 #define OSD_UPDATE_DEFAULT 0
106 #define OSD_UPDATE_MAX 1000
109 add_integer( OSD_CFG "x", -1, NULL, POSX_TEXT, POSX_LONGTEXT, VLC_FALSE );
110 add_integer( OSD_CFG "y", -1, NULL, POSY_TEXT, POSY_LONGTEXT, VLC_FALSE );
111 add_integer( OSD_CFG "position", 8, NULL, POS_TEXT, POS_LONGTEXT,
113 change_integer_list( pi_pos_values, ppsz_pos_descriptions, 0 );
114 add_string( OSD_CFG "file", OSD_DEFAULT_CFG, NULL, OSD_FILE_TEXT,
115 OSD_FILE_LONGTEXT, VLC_FALSE );
116 add_string( OSD_CFG "file-path", NULL, NULL, OSD_PATH_TEXT,
117 OSD_PATH_LONGTEXT, VLC_FALSE );
118 add_integer( OSD_CFG "timeout", 15, NULL, TIMEOUT_TEXT,
119 TIMEOUT_LONGTEXT, VLC_FALSE );
120 add_integer_with_range( OSD_CFG "update", OSD_UPDATE_DEFAULT,
121 OSD_UPDATE_MIN, OSD_UPDATE_MAX, NULL, OSD_UPDATE_TEXT,
122 OSD_UPDATE_LONGTEXT, VLC_TRUE );
124 add_integer_with_range( OSD_CFG "alpha", 255, 0, 255, NULL,
125 OSD_ALPHA_TEXT, OSD_ALPHA_LONGTEXT, VLC_TRUE );
127 set_capability( "sub filter", 100 );
128 set_description( _("On Screen Display menu") );
129 set_shortname( _("OSD menu") );
130 add_shortcut( "osdmenu" );
132 set_category( CAT_VIDEO );
133 set_subcategory( SUBCAT_VIDEO_SUBPIC );
135 set_callbacks( CreateFilter, DestroyFilter );
138 /*****************************************************************************
140 *****************************************************************************/
142 /*****************************************************************************
144 *****************************************************************************/
147 int position; /* relative positioning of SPU images */
148 int i_x; /* absolute positioning of SPU images */
149 int i_y; /* absolute positioning of SPU images */
150 mtime_t i_last_date; /* last mdate SPU object has been sent to SPU subsytem */
151 mtime_t i_timeout; /* duration SPU object is valid on the video output in seconds */
153 vlc_bool_t b_absolute; /* do we use absolute positioning or relative? */
154 vlc_bool_t b_update; /* Update OSD Menu by sending SPU objects */
155 vlc_bool_t b_visible; /* OSD Menu is visible */
156 mtime_t i_update; /* Update the OSD menu every n ms */
157 mtime_t i_end_date; /* End data of display OSD menu */
158 int i_alpha; /* alpha transparency value */
160 char *psz_file; /* OSD Menu configuration file */
161 osd_menu_t *p_menu; /* pointer to OSD Menu object */
164 /*****************************************************************************
165 * CreateFilter: Create the filter and open the definition file
166 *****************************************************************************/
167 static int CreateFilter ( vlc_object_t *p_this )
169 filter_t *p_filter = (filter_t *)p_this;
170 filter_sys_t *p_sys = NULL;
173 p_filter->p_sys = p_sys = (filter_sys_t *) malloc( sizeof(filter_sys_t) );
174 if( !p_filter->p_sys )
176 msg_Err( p_filter, "out of memory" );
179 memset( p_sys, 0, sizeof(filter_sys_t) );
181 /* Populating struct */
182 p_filter->p_sys->p_menu = NULL;
183 p_filter->p_sys->psz_file = NULL;
185 p_filter->p_sys->psz_file = config_GetPsz( p_filter, OSD_CFG "file" );
186 if( (p_filter->p_sys->psz_file == NULL) ||
187 (*p_filter->p_sys->psz_file == '\0') )
189 msg_Err( p_filter, "unable to get filename" );
193 p_sys->i_x = var_CreateGetIntegerCommand( p_this, OSD_CFG "x" );
194 p_sys->i_y = var_CreateGetIntegerCommand( p_this, OSD_CFG "y" );
195 p_sys->position = var_CreateGetIntegerCommand( p_this, OSD_CFG "position" );
196 p_sys->i_alpha = var_CreateGetIntegerCommand( p_this, OSD_CFG "alpha" );
198 /* in micro seconds - divide by 2 to match user expectations */
199 var_Create( p_this, OSD_CFG "timeout",
200 VLC_VAR_INTEGER | VLC_VAR_DOINHERIT | VLC_VAR_ISCOMMAND );
201 var_Get( p_this, OSD_CFG "timeout", &val );
202 p_sys->i_timeout = (mtime_t)(val.i_int * 1000000) >> 2;
203 var_Create( p_this, OSD_CFG "update",
204 VLC_VAR_INTEGER | VLC_VAR_DOINHERIT | VLC_VAR_ISCOMMAND );
205 var_Get( p_this, OSD_CFG "update", &val );
206 p_sys->i_update = (mtime_t)(val.i_int * 1000); /* in micro seconds */
208 var_AddCallback( p_filter, OSD_CFG "position", OSDMenuCallback, p_sys );
209 var_AddCallback( p_filter, OSD_CFG "timeout", OSDMenuCallback, p_sys );
210 var_AddCallback( p_filter, OSD_CFG "update", OSDMenuCallback, p_sys );
211 var_AddCallback( p_filter, OSD_CFG "alpha", OSDMenuCallback, p_sys );
213 /* Load the osd menu subsystem */
214 p_sys->p_menu = osd_MenuCreate( p_this, p_sys->psz_file );
215 if( p_sys->p_menu == NULL )
218 /* Check if menu position was overridden */
219 p_sys->b_absolute = VLC_TRUE;
220 if( (p_sys->i_x < 0) || (p_sys->i_y < 0) )
222 p_sys->b_absolute = VLC_FALSE;
223 p_sys->p_menu->i_x = 0;
224 p_sys->p_menu->i_y = 0;
226 else if( (p_sys->i_x >= 0) || (p_sys->i_y >= 0) )
228 p_sys->p_menu->i_x = p_sys->i_x;
229 p_sys->p_menu->i_y = p_sys->i_y;
231 else if( (p_sys->p_menu->i_x < 0) ||
232 (p_sys->p_menu->i_y < 0) )
234 p_sys->b_absolute = VLC_FALSE;
235 p_sys->p_menu->i_x = 0;
236 p_sys->p_menu->i_y = 0;
239 /* Set up p_filter */
240 p_sys->i_last_date = mdate();
242 /* Keep track of OSD Events */
243 p_sys->b_update = VLC_FALSE;
244 p_sys->b_visible = VLC_FALSE;
246 /* Listen to osd menu core updates/visible settings. */
247 var_AddCallback( p_sys->p_menu, "osd-menu-update",
248 OSDMenuUpdateEvent, p_filter );
249 var_AddCallback( p_sys->p_menu, "osd-menu-visible",
250 OSDMenuVisibleEvent, p_filter );
252 /* Attach subpicture filter callback */
253 p_filter->pf_sub_filter = Filter;
255 es_format_Init( &p_filter->fmt_out, SPU_ES, VLC_FOURCC( 's','p','u',' ' ) );
256 p_filter->fmt_out.i_priority = 0;
258 msg_Dbg( p_filter, "successfully loaded osdmenu filter" );
262 msg_Err( p_filter, "osdmenu filter discarded" );
263 if( p_filter->p_sys->p_menu )
265 osd_MenuDelete( p_this, p_filter->p_sys->p_menu );
266 p_filter->p_sys->p_menu = NULL;
268 if( p_filter->p_sys->psz_file ) free( p_filter->p_sys->psz_file );
269 if( p_filter->p_sys ) free( p_filter->p_sys );
273 /*****************************************************************************
274 * DestroyFilter: Make a clean exit of this plugin
275 *****************************************************************************/
276 static void DestroyFilter( vlc_object_t *p_this )
278 filter_t *p_filter = (filter_t*)p_this;
279 filter_sys_t *p_sys = p_filter->p_sys;
281 var_DelCallback( p_filter, OSD_CFG "position", OSDMenuCallback, p_sys );
282 var_DelCallback( p_filter, OSD_CFG "timeout", OSDMenuCallback, p_sys );
283 var_DelCallback( p_filter, OSD_CFG "update", OSDMenuCallback, p_sys );
284 var_DelCallback( p_filter, OSD_CFG "alpha", OSDMenuCallback, p_sys );
286 var_DelCallback( p_sys->p_menu, "osd-menu-update",
287 OSDMenuUpdateEvent, p_filter );
288 var_DelCallback( p_sys->p_menu, "osd-menu-visible",
289 OSDMenuVisibleEvent, p_filter );
291 var_Destroy( p_this, OSD_CFG "file" );
292 var_Destroy( p_this, OSD_CFG "x" );
293 var_Destroy( p_this, OSD_CFG "y" );
294 var_Destroy( p_this, OSD_CFG "position" );
295 var_Destroy( p_this, OSD_CFG "timeout" );
296 var_Destroy( p_this, OSD_CFG "update" );
297 var_Destroy( p_this, OSD_CFG "alpha" );
299 osd_MenuDelete( p_filter, p_sys->p_menu );
301 if( p_sys->psz_file) free( p_sys->psz_file );
302 if( p_sys ) free( p_sys );
304 msg_Dbg( p_filter, "osdmenu filter destroyed" );
307 /*****************************************************************************
308 * OSDMenuEvent: callback for OSD Menu events
309 *****************************************************************************/
310 static int OSDMenuVisibleEvent( vlc_object_t *p_this, char const *psz_var,
311 vlc_value_t oldval, vlc_value_t newval, void *p_data )
313 filter_t *p_filter = (filter_t *) p_data;
315 p_filter->p_sys->b_visible = VLC_TRUE;
319 static int OSDMenuUpdateEvent( vlc_object_t *p_this, char const *psz_var,
320 vlc_value_t oldval, vlc_value_t newval, void *p_data )
322 filter_t *p_filter = (filter_t *) p_data;
324 p_filter->p_sys->b_update = VLC_TRUE;
325 p_filter->p_sys->i_end_date = (mtime_t) 0;
330 /*****************************************************************************
331 * create_text_region : compose a text region SPU
332 *****************************************************************************/
333 static subpicture_region_t *create_text_region( filter_t *p_filter, subpicture_t *p_spu,
334 int i_width, int i_height, const char *psz_text )
336 subpicture_region_t *p_region;
339 /* Create new SPU region */
340 memset( &fmt, 0, sizeof(video_format_t) );
341 fmt.i_chroma = VLC_FOURCC( 'T','E','X','T' );
342 fmt.i_aspect = VOUT_ASPECT_FACTOR;
343 fmt.i_sar_num = fmt.i_sar_den = 1;
344 fmt.i_width = fmt.i_visible_width = i_width;
345 fmt.i_height = fmt.i_visible_height = i_height;
346 fmt.i_x_offset = fmt.i_y_offset = 0;
347 p_region = p_spu->pf_create_region( VLC_OBJECT(p_filter), &fmt );
350 msg_Err( p_filter, "cannot allocate another SPU region" );
353 p_region->psz_text = strdup( psz_text );
357 msg_Dbg( p_filter, "SPU text region position (%d,%d) (%d,%d) [%s]",
358 p_region->i_x, p_region->i_y,
359 p_region->fmt.i_width, p_region->fmt.i_height, p_region->psz_text );
365 /*****************************************************************************
366 * create_picture_region : compose a picture region SPU
367 *****************************************************************************/
368 static subpicture_region_t *create_picture_region( filter_t *p_filter, subpicture_t *p_spu,
369 int i_width, int i_height, picture_t *p_pic )
371 subpicture_region_t *p_region = NULL;
374 if( !p_spu ) return NULL;
376 /* Create new SPU region */
377 memset( &fmt, 0, sizeof(video_format_t) );
378 fmt.i_chroma = (p_pic == NULL) ? VLC_FOURCC('Y','U','V','P') : VLC_FOURCC('Y','U','V','A');
379 fmt.i_aspect = VOUT_ASPECT_FACTOR;
380 fmt.i_sar_num = fmt.i_sar_den = 1;
381 fmt.i_width = fmt.i_visible_width = i_width;
382 fmt.i_height = fmt.i_visible_height = i_height;
383 fmt.i_x_offset = fmt.i_y_offset = 0;
385 p_region = p_spu->pf_create_region( VLC_OBJECT(p_filter), &fmt );
388 msg_Err( p_filter, "cannot allocate SPU region" );
389 p_filter->pf_sub_buffer_del( p_filter, p_spu );
392 if( !p_pic && ( fmt.i_chroma == VLC_FOURCC('Y','U','V','P') ) )
394 p_region->fmt.p_palette->i_entries = 0;
395 p_region->fmt.i_width = p_region->fmt.i_visible_width = 0;
396 p_region->fmt.i_height = p_region->fmt.i_visible_height = 0;
399 vout_CopyPicture( p_filter, &p_region->picture, p_pic );
403 p_region->i_align = SUBPICTURE_ALIGN_LEFT;
405 msg_Dbg( p_filter, "SPU picture region position (%d,%d) (%d,%d) [%p]",
406 p_region->i_x, p_region->i_y,
407 p_region->fmt.i_width, p_region->fmt.i_height, p_pic );
412 /****************************************************************************
413 * Filter: the whole thing
414 ****************************************************************************
415 * This function outputs subpictures at regular time intervals.
416 ****************************************************************************/
417 static subpicture_t *Filter( filter_t *p_filter, mtime_t i_date )
419 filter_sys_t *p_sys = p_filter->p_sys;
420 subpicture_t *p_spu = NULL;
421 subpicture_region_t *p_region = NULL;
423 if( !p_sys->b_update || (p_sys->i_update <= 0) )
428 if( ( ( p_sys->i_last_date + p_sys->i_update ) > i_date ) &&
429 ( p_sys->i_end_date > 0 ) )
430 return NULL; /* we are too early, so wait */
432 /* Allocate the subpicture internal data. */
433 p_spu = p_filter->pf_sub_buffer_new( p_filter );
434 if( !p_spu ) return NULL;
436 p_spu->b_ephemer = VLC_TRUE;
437 p_spu->b_fade = VLC_TRUE;
438 if( p_filter->p_sys->p_menu->i_style == OSD_MENU_STYLE_CONCAT )
439 p_spu->b_absolute = VLC_TRUE;
441 p_spu->b_absolute = p_sys->b_absolute;
442 p_spu->i_flags = p_sys->position;
444 /* Determine the duration of the subpicture */
445 if( p_sys->i_end_date > 0 )
447 /* Display the subpicture again. */
448 p_spu->i_stop = p_sys->i_end_date - i_date;
449 if( ( i_date + p_sys->i_update ) >= p_sys->i_end_date )
450 p_sys->b_update = VLC_FALSE;
454 /* There is a new OSD picture to display */
455 p_spu->i_stop = i_date + p_sys->i_timeout;
456 p_sys->i_end_date = p_spu->i_stop;
459 p_sys->i_last_date = i_date;
460 p_spu->i_start = p_sys->i_last_date = i_date;
462 /* Send an empty subpicture to clear the display
463 * when OSD menu should be hidden and menu picture is not allocated.
465 if( !p_filter->p_sys->p_menu->p_state->p_pic ||
466 ( p_filter->p_sys->b_visible == VLC_FALSE ) )
468 /* Create new spu regions and allocate an empty picture in it. */
469 p_region = create_picture_region( p_filter, p_spu,
470 p_filter->p_sys->p_menu->p_state->i_width,
471 p_filter->p_sys->p_menu->p_state->i_height,
474 /* proper positioning of OSD menu image */
475 p_spu->i_x = p_filter->p_sys->p_menu->p_state->i_x;
476 p_spu->i_y = p_filter->p_sys->p_menu->p_state->i_y;
477 p_spu->p_region = p_region;
478 p_spu->i_alpha = 0xFF; /* Picture is completely non transparent. */
482 /* Create new spu regions
484 p_region = create_picture_region( p_filter, p_spu,
485 p_filter->p_sys->p_menu->p_state->i_width,
486 p_filter->p_sys->p_menu->p_state->i_height,
487 p_filter->p_sys->p_menu->p_state->p_pic );
491 p_filter->pf_sub_buffer_del( p_filter, p_spu );
495 p_spu->i_width = p_region->fmt.i_visible_width;
496 p_spu->i_height = p_region->fmt.i_visible_height;
497 p_spu->i_alpha = p_filter->p_sys->i_alpha;
499 /* proper positioning of OSD menu image */
500 if( p_filter->p_sys->p_menu->i_style == OSD_MENU_STYLE_CONCAT )
502 p_spu->i_x = p_filter->p_sys->p_menu->p_button->i_x;
503 p_spu->i_y = p_filter->p_sys->p_menu->p_button->i_y;
507 p_spu->i_x = p_filter->p_sys->p_menu->p_state->i_x;
508 p_spu->i_y = p_filter->p_sys->p_menu->p_state->i_y;
511 if( p_filter->p_sys->p_menu->i_style == OSD_MENU_STYLE_CONCAT )
513 subpicture_region_t *p_region_list = NULL;
514 subpicture_region_t *p_region_tail = NULL;
515 osd_menu_t *p_osd = p_filter->p_sys->p_menu;
516 osd_button_t *p_button = p_osd->p_button;
518 /* Construct the entire OSD from individual images */
519 while( p_button != NULL )
521 osd_button_t *p_tmp = NULL;
522 subpicture_region_t *p_new = NULL;
524 p_new = create_picture_region( p_filter, p_spu,
525 p_button->p_current_state->p_pic->p[Y_PLANE].i_visible_pitch,
526 p_button->p_current_state->p_pic->p[Y_PLANE].i_visible_lines,
527 p_button->p_current_state->p_pic );
530 /* Cleanup when bailing out */
531 subpicture_region_t *p_tmp = NULL;
532 while( p_region_list )
534 p_tmp = p_region_list->p_next;
535 p_spu->pf_destroy_region( VLC_OBJECT(p_filter), p_region_list );
537 p_spu->pf_destroy_region( VLC_OBJECT(p_filter), p_region );
538 p_filter->pf_sub_buffer_del( p_filter, p_spu );
542 p_spu->i_width += p_new->fmt.i_visible_width;
543 p_spu->i_height += p_new->fmt.i_visible_height;
547 p_region_list = p_new;
548 p_region_tail = p_new;
552 p_new->i_x = p_region_tail->fmt.i_visible_width;
553 p_new->i_y = p_button->i_y;
554 p_region_tail->p_next = p_new;
555 p_region_tail = p_new;
557 p_tmp = p_button->p_next;
560 p_region->p_next = p_region_list;
563 p_region->p_next = create_text_region( p_filter, p_spu,
564 p_filter->p_sys->p_menu->p_state->i_width, p_filter->p_sys->p_menu->p_state->i_height,
565 p_filter->p_sys->p_menu->p_state->p_visible->psz_action );
567 p_spu->p_region = p_region;
571 static int OSDMenuCallback( vlc_object_t *p_this, char const *psz_var,
572 vlc_value_t oldval, vlc_value_t newval,
575 filter_sys_t *p_sys = (filter_sys_t *) p_data;
580 if( !strncmp( psz_var, OSD_CFG"position", 16) )
582 #define ARRAY_SIZE(x) (sizeof(x) / sizeof((x)[0]))
584 for( i=0; i < ARRAY_SIZE(pi_pos_values); i++ )
586 if( newval.i_int == pi_pos_values[i] )
588 p_sys->position = newval.i_int % 11;
594 else if( !strncmp( psz_var, OSD_CFG"x", 9) ||
595 !strncmp( psz_var, OSD_CFG"y", 9))
597 p_sys->b_absolute = VLC_TRUE;
598 if( (p_sys->i_x < 0) || (p_sys->i_y < 0) )
600 p_sys->b_absolute = VLC_FALSE;
601 p_sys->p_menu->i_x = 0;
602 p_sys->p_menu->i_y = 0;
604 else if( (p_sys->i_x >= 0) || (p_sys->i_y >= 0) )
606 p_sys->p_menu->i_x = p_sys->i_x;
607 p_sys->p_menu->i_y = p_sys->i_y;
610 else if( !strncmp( psz_var, OSD_CFG"update", 14) )
611 p_sys->i_update = (mtime_t)(newval.i_int * 1000);
612 else if( !strncmp( psz_var, OSD_CFG"timeout", 15) )
613 p_sys->i_update = newval.i_int % 1000;
614 else if( !strncmp( psz_var, OSD_CFG"alpha", 13) )
615 p_sys->i_alpha = newval.i_int % 256;
617 p_sys->b_update = VLC_TRUE;