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_common.h>
32 #include <vlc_plugin.h>
34 #include <vlc_filter.h>
38 /*****************************************************************************
40 *****************************************************************************/
42 /* FIXME: Future extension make the definition file in XML format. */
43 #define OSD_FILE_TEXT N_("Configuration file")
44 #define OSD_FILE_LONGTEXT N_( \
45 "Configuration file for the OSD Menu." )
46 #define OSD_PATH_TEXT N_("Path to OSD menu images")
47 #define OSD_PATH_LONGTEXT N_( \
48 "Path to the OSD menu images. This will override the path defined in the " \
49 "OSD configuration file." )
51 #define POSX_TEXT N_("X coordinate")
52 #define POSX_LONGTEXT N_("You can move the OSD menu by left-clicking on it." )
54 #define POSY_TEXT N_("Y coordinate")
55 #define POSY_LONGTEXT N_("You can move the OSD menu by left-clicking on it." )
57 #define POS_TEXT N_("Menu position")
58 #define POS_LONGTEXT N_( \
59 "You can enforce the OSD menu position on the video " \
60 "(0=center, 1=left, 2=right, 4=top, 8=bottom, you can " \
61 "also use combinations of these values, eg. 6 = top-right).")
63 #define TIMEOUT_TEXT N_("Menu timeout")
64 #define TIMEOUT_LONGTEXT N_( \
65 "OSD menu pictures get a default timeout of 15 seconds added to their " \
66 "remaining time. This will ensure that they are at least the specified " \
69 #define OSD_UPDATE_TEXT N_("Menu update interval" )
70 #define OSD_UPDATE_LONGTEXT N_( \
71 "The default is to update the OSD menu picture every 200 ms. Shorten the" \
72 " update time for environments that experience transmissions errors. " \
73 "Be careful with this option as encoding OSD menu pictures is very " \
74 "computing intensive. The range is 0 - 1000 ms." )
76 #define OSD_ALPHA_TEXT N_("Alpha transparency value (default 255)")
77 #define OSD_ALPHA_LONGTEXT N_( \
78 "The transparency of the OSD menu can be changed by giving a value " \
79 "between 0 and 255. A lower value specifies more transparency a higher " \
80 "means less transparency. The default is being not transparent " \
81 "(value 255) the minimum is fully transparent (value 0)." )
83 static const int pi_pos_values[] = { 0, 1, 2, 4, 8, 5, 6, 9, 10 };
84 static const char *const ppsz_pos_descriptions[] =
85 { N_("Center"), N_("Left"), N_("Right"), N_("Top"), N_("Bottom"),
86 N_("Top-Left"), N_("Top-Right"), N_("Bottom-Left"), N_("Bottom-Right") };
88 /* subfilter functions */
89 static int CreateFilter ( vlc_object_t * );
90 static void DestroyFilter( vlc_object_t * );
91 static subpicture_t *Filter( filter_t *, mtime_t );
93 static int OSDMenuUpdateEvent( vlc_object_t *, char const *,
94 vlc_value_t, vlc_value_t, void * );
95 static int OSDMenuVisibleEvent( vlc_object_t *, char const *,
96 vlc_value_t, vlc_value_t, void * );
97 static int OSDMenuCallback( vlc_object_t *, char const *,
98 vlc_value_t, vlc_value_t, void * );
100 static int MouseEvent( vlc_object_t *, char const *,
101 vlc_value_t , vlc_value_t , void * );
103 #define OSD_CFG "osdmenu-"
105 #if defined( WIN32 ) || defined( UNDER_CE )
106 #define OSD_DEFAULT_CFG "osdmenu/default.cfg"
108 #define OSD_DEFAULT_CFG "share/osdmenu/default.cfg"
111 #define OSD_UPDATE_MIN 0
112 #define OSD_UPDATE_DEFAULT 300
113 #define OSD_UPDATE_MAX 1000
116 add_integer( OSD_CFG "x", -1, NULL, POSX_TEXT, POSX_LONGTEXT, false );
117 add_integer( OSD_CFG "y", -1, NULL, POSY_TEXT, POSY_LONGTEXT, false );
118 add_integer( OSD_CFG "position", 8, NULL, POS_TEXT, POS_LONGTEXT,
120 change_integer_list( pi_pos_values, ppsz_pos_descriptions, NULL );
121 add_string( OSD_CFG "file", OSD_DEFAULT_CFG, NULL, OSD_FILE_TEXT,
122 OSD_FILE_LONGTEXT, false );
123 add_string( OSD_CFG "file-path", NULL, NULL, OSD_PATH_TEXT,
124 OSD_PATH_LONGTEXT, false );
125 add_integer( OSD_CFG "timeout", 15, NULL, TIMEOUT_TEXT,
126 TIMEOUT_LONGTEXT, false );
127 add_integer_with_range( OSD_CFG "update", OSD_UPDATE_DEFAULT,
128 OSD_UPDATE_MIN, OSD_UPDATE_MAX, NULL, OSD_UPDATE_TEXT,
129 OSD_UPDATE_LONGTEXT, true );
130 add_integer_with_range( OSD_CFG "alpha", 255, 0, 255, NULL,
131 OSD_ALPHA_TEXT, OSD_ALPHA_LONGTEXT, true );
133 set_capability( "sub filter", 100 );
134 set_description( N_("On Screen Display menu") );
135 set_shortname( N_("OSD menu") );
136 add_shortcut( "osdmenu" );
138 set_category( CAT_VIDEO );
139 set_subcategory( SUBCAT_VIDEO_SUBPIC );
141 set_callbacks( CreateFilter, DestroyFilter );
144 /*****************************************************************************
146 *****************************************************************************/
148 /*****************************************************************************
150 *****************************************************************************/
153 int i_position; /* relative positioning of SPU images */
154 int i_x; /* absolute positioning of SPU images */
155 int i_y; /* absolute positioning of SPU images */
156 mtime_t i_last_date; /* last mdate SPU object has been sent to SPU subsytem */
157 mtime_t i_timeout; /* duration SPU object is valid on the video output in seconds */
159 bool b_absolute; /* do we use absolute positioning or relative? */
160 bool b_update; /* Update OSD Menu by sending SPU objects */
161 bool b_visible; /* OSD Menu is visible */
162 mtime_t i_update; /* Update the OSD menu every n ms */
163 mtime_t i_end_date; /* End data of display OSD menu */
164 int i_alpha; /* alpha transparency value */
166 char *psz_file; /* OSD Menu configuration file */
167 char *psz_path; /* Path to OSD Menu pictures */
168 osd_menu_t *p_menu; /* pointer to OSD Menu object */
170 /* menu interaction */
171 vout_thread_t *p_vout;
177 /*****************************************************************************
178 * CreateFilter: Create the filter and open the definition file
179 *****************************************************************************/
180 static int CreateFilter ( vlc_object_t *p_this )
182 filter_t *p_filter = (filter_t *)p_this;
183 filter_sys_t *p_sys = NULL;
185 p_filter->p_sys = p_sys = (filter_sys_t *) malloc( sizeof(filter_sys_t) );
186 if( !p_filter->p_sys )
188 memset( p_sys, 0, sizeof(filter_sys_t) );
190 /* Populating struct */
191 p_sys->psz_path = var_CreateGetString( p_this, OSD_CFG "file-path" );
192 p_sys->psz_file = var_CreateGetString( p_this, OSD_CFG "file" );
193 if( (p_sys->psz_file == NULL) ||
194 (*p_sys->psz_file == '\0') )
196 msg_Err( p_filter, "unable to get filename" );
200 p_sys->i_x = var_CreateGetIntegerCommand( p_this, OSD_CFG "x" );
201 p_sys->i_y = var_CreateGetIntegerCommand( p_this, OSD_CFG "y" );
202 p_sys->i_position = var_CreateGetIntegerCommand( p_this, OSD_CFG "position" );
203 p_sys->i_alpha = var_CreateGetIntegerCommand( p_this, OSD_CFG "alpha" );
205 /* in micro seconds - divide by 2 to match user expectations */
206 p_sys->i_timeout = var_CreateGetIntegerCommand( p_this, OSD_CFG "timeout" );
207 p_sys->i_timeout = (mtime_t)(p_sys->i_timeout * 1000000) >> 2;
208 p_sys->i_update = var_CreateGetIntegerCommand( p_this, OSD_CFG "update" );
209 p_sys->i_update = (mtime_t)(p_sys->i_update * 1000); /* in micro seconds */
211 var_AddCallback( p_filter, OSD_CFG "position", OSDMenuCallback, p_sys );
212 var_AddCallback( p_filter, OSD_CFG "timeout", OSDMenuCallback, p_sys );
213 var_AddCallback( p_filter, OSD_CFG "update", OSDMenuCallback, p_sys );
214 var_AddCallback( p_filter, OSD_CFG "alpha", OSDMenuCallback, p_sys );
216 /* Load the osd menu subsystem */
217 p_sys->p_menu = osd_MenuCreate( p_this, p_sys->psz_file );
218 if( p_sys->p_menu == NULL )
221 p_sys->p_menu->i_position = p_sys->i_position;
223 /* Check if menu position was overridden */
224 p_sys->b_absolute = true;
225 if( (p_sys->i_x < 0) || (p_sys->i_y < 0) )
227 p_sys->b_absolute = false;
228 p_sys->p_menu->i_x = 0;
229 p_sys->p_menu->i_y = 0;
233 p_sys->p_menu->i_x = p_sys->i_x;
234 p_sys->p_menu->i_y = p_sys->i_y;
237 /* Set up p_filter */
238 p_sys->i_last_date = mdate();
240 /* Keep track of OSD Events */
241 p_sys->b_update = false;
242 p_sys->b_visible = false;
243 p_sys->b_clicked = false;
245 /* Listen to osd menu core updates/visible settings. */
246 var_AddCallback( p_sys->p_menu, "osd-menu-update",
247 OSDMenuUpdateEvent, p_filter );
248 var_AddCallback( p_sys->p_menu, "osd-menu-visible",
249 OSDMenuVisibleEvent, p_filter );
251 /* Attach subpicture filter callback */
252 p_filter->pf_sub_filter = Filter;
254 p_sys->p_vout = vlc_object_find( p_this, VLC_OBJECT_VOUT, FIND_ANYWHERE );
257 var_AddCallback( p_sys->p_vout, "mouse-x",
259 var_AddCallback( p_sys->p_vout, "mouse-y",
261 var_AddCallback( p_sys->p_vout, "mouse-clicked",
265 es_format_Init( &p_filter->fmt_out, SPU_ES, VLC_FOURCC( 's','p','u',' ' ) );
266 p_filter->fmt_out.i_priority = 0;
271 msg_Err( p_filter, "osdmenu filter discarded" );
273 free( p_sys->psz_path );
274 free( p_sys->psz_file );
279 /*****************************************************************************
280 * DestroyFilter: Make a clean exit of this plugin
281 *****************************************************************************/
282 static void DestroyFilter( vlc_object_t *p_this )
284 filter_t *p_filter = (filter_t*)p_this;
285 filter_sys_t *p_sys = p_filter->p_sys;
287 var_DelCallback( p_filter, OSD_CFG "position", OSDMenuCallback, p_sys );
288 var_DelCallback( p_filter, OSD_CFG "timeout", OSDMenuCallback, p_sys );
289 var_DelCallback( p_filter, OSD_CFG "update", OSDMenuCallback, p_sys );
290 var_DelCallback( p_filter, OSD_CFG "alpha", OSDMenuCallback, p_sys );
294 var_DelCallback( p_sys->p_menu, "osd-menu-update",
295 OSDMenuUpdateEvent, p_filter );
296 var_DelCallback( p_sys->p_menu, "osd-menu-visible",
297 OSDMenuVisibleEvent, p_filter );
300 if( p_sys && p_sys->p_vout )
302 var_DelCallback( p_sys->p_vout, "mouse-x",
304 var_DelCallback( p_sys->p_vout, "mouse-y",
306 var_DelCallback( p_sys->p_vout, "mouse-clicked",
309 vlc_object_release( p_sys->p_vout );
310 p_sys->p_vout = NULL;
313 var_Destroy( p_this, OSD_CFG "file-path" );
314 var_Destroy( p_this, OSD_CFG "file" );
315 var_Destroy( p_this, OSD_CFG "x" );
316 var_Destroy( p_this, OSD_CFG "y" );
317 var_Destroy( p_this, OSD_CFG "position" );
318 var_Destroy( p_this, OSD_CFG "timeout" );
319 var_Destroy( p_this, OSD_CFG "update" );
320 var_Destroy( p_this, OSD_CFG "alpha" );
324 osd_MenuDelete( p_filter, p_sys->p_menu );
326 free( p_sys->psz_path );
327 free( p_sys->psz_file );
332 /*****************************************************************************
333 * OSDMenuEvent: callback for OSD Menu events
334 *****************************************************************************/
335 static int OSDMenuVisibleEvent( vlc_object_t *p_this, char const *psz_var,
336 vlc_value_t oldval, vlc_value_t newval, void *p_data )
338 VLC_UNUSED(p_this); VLC_UNUSED(psz_var); VLC_UNUSED(oldval);
340 filter_t *p_filter = (filter_t *) p_data;
342 p_filter->p_sys->b_visible = true;
343 p_filter->p_sys->b_update = true;
347 static int OSDMenuUpdateEvent( vlc_object_t *p_this, char const *psz_var,
348 vlc_value_t oldval, vlc_value_t newval, void *p_data )
350 VLC_UNUSED(p_this); VLC_UNUSED(psz_var); VLC_UNUSED(oldval);
352 filter_t *p_filter = (filter_t *) p_data;
353 filter_sys_t *p_sys = p_filter->p_sys;
355 p_sys->b_update = p_sys->b_visible ? true : false;
356 p_sys->i_end_date = (mtime_t) 0;
361 /*****************************************************************************
362 * create_text_region : compose a text region SPU
363 *****************************************************************************/
364 static subpicture_region_t *create_text_region( filter_t *p_filter, subpicture_t *p_spu,
365 int i_width, int i_height, const char *psz_text )
367 subpicture_region_t *p_region;
370 /* Create new SPU region */
371 memset( &fmt, 0, sizeof(video_format_t) );
372 fmt.i_chroma = VLC_FOURCC( 'T','E','X','T' );
373 fmt.i_aspect = VOUT_ASPECT_FACTOR;
374 fmt.i_sar_num = fmt.i_sar_den = 1;
375 fmt.i_width = fmt.i_visible_width = i_width;
376 fmt.i_height = fmt.i_visible_height = i_height;
377 fmt.i_x_offset = fmt.i_y_offset = 0;
378 p_region = p_spu->pf_create_region( VLC_OBJECT(p_filter), &fmt );
381 msg_Err( p_filter, "cannot allocate another SPU region" );
384 p_region->psz_text = strdup( psz_text );
388 msg_Dbg( p_filter, "SPU text region position (%d,%d) (%d,%d) [%s]",
389 p_region->i_x, p_region->i_y,
390 p_region->fmt.i_width, p_region->fmt.i_height, p_region->psz_text );
396 /*****************************************************************************
397 * create_picture_region : compose a picture region SPU
398 *****************************************************************************/
399 static subpicture_region_t *create_picture_region( filter_t *p_filter, subpicture_t *p_spu,
400 int i_width, int i_height, picture_t *p_pic )
402 subpicture_region_t *p_region = NULL;
405 if( !p_spu ) return NULL;
407 /* Create new SPU region */
408 memset( &fmt, 0, sizeof(video_format_t) );
409 fmt.i_chroma = (p_pic == NULL) ? VLC_FOURCC('Y','U','V','P') : VLC_FOURCC('Y','U','V','A');
410 fmt.i_aspect = VOUT_ASPECT_FACTOR;
411 fmt.i_sar_num = fmt.i_sar_den = 1;
412 fmt.i_width = fmt.i_visible_width = i_width;
413 fmt.i_height = fmt.i_visible_height = i_height;
414 fmt.i_x_offset = fmt.i_y_offset = 0;
416 p_region = p_spu->pf_create_region( VLC_OBJECT(p_filter), &fmt );
419 msg_Err( p_filter, "cannot allocate SPU region" );
420 p_filter->pf_sub_buffer_del( p_filter, p_spu );
423 if( !p_pic && ( fmt.i_chroma == VLC_FOURCC('Y','U','V','P') ) )
425 p_region->fmt.p_palette->i_entries = 0;
426 p_region->fmt.i_width = p_region->fmt.i_visible_width = 0;
427 p_region->fmt.i_height = p_region->fmt.i_visible_height = 0;
430 vout_CopyPicture( p_filter, &p_region->picture, p_pic );
434 p_region->i_align = p_filter->p_sys->i_position;
435 p_region->i_alpha = p_filter->p_sys->i_alpha;
437 msg_Dbg( p_filter, "SPU picture region position (%d,%d) (%d,%d) [%p]",
438 p_region->i_x, p_region->i_y,
439 p_region->fmt.i_width, p_region->fmt.i_height, p_pic );
444 /****************************************************************************
445 * Filter: the whole thing
446 ****************************************************************************
447 * This function outputs subpictures at regular time intervals.
448 ****************************************************************************/
449 static subpicture_t *Filter( filter_t *p_filter, mtime_t i_date )
451 filter_sys_t *p_sys = p_filter->p_sys;
452 subpicture_t *p_spu = NULL;
453 subpicture_region_t *p_region = NULL;
455 if( !p_sys->b_update || (p_sys->i_update <= 0) )
460 if( ( ( p_sys->i_last_date + p_sys->i_update ) > i_date ) &&
461 ( p_sys->i_end_date > 0 ) )
462 return NULL; /* we are too early, so wait */
464 /* Allocate the subpicture internal data. */
465 p_spu = filter_NewSubpicture( p_filter );
469 p_spu->b_ephemer = true;
470 p_spu->b_fade = true;
471 if( p_filter->p_sys->p_menu->i_style == OSD_MENU_STYLE_CONCAT )
472 p_spu->b_absolute = true;
474 p_spu->b_absolute = p_sys->b_absolute;
475 p_spu->i_flags = p_sys->i_position;
477 /* Determine the duration of the subpicture */
478 if( p_sys->i_end_date > 0 )
480 /* Display the subpicture again. */
481 p_spu->i_stop = p_sys->i_end_date - i_date;
482 if( ( i_date + p_sys->i_update ) >= p_sys->i_end_date )
483 p_sys->b_update = false;
487 /* There is a new OSD picture to display */
488 p_spu->i_stop = i_date + p_sys->i_timeout;
489 p_sys->i_end_date = p_spu->i_stop;
492 p_sys->i_last_date = i_date;
493 p_spu->i_start = p_sys->i_last_date = i_date;
495 /* Send an empty subpicture to clear the display
496 * when OSD menu should be hidden and menu picture is not allocated.
498 if( !p_filter->p_sys->p_menu->p_state->p_pic ||
499 ( p_filter->p_sys->b_visible == false ) )
501 /* Create new spu regions and allocate an empty picture in it. */
502 p_region = create_picture_region( p_filter, p_spu,
503 p_filter->p_sys->p_menu->p_state->i_width,
504 p_filter->p_sys->p_menu->p_state->i_height,
507 /* proper positioning of OSD menu image */
508 p_spu->i_x = p_filter->p_sys->p_menu->p_state->i_x;
509 p_spu->i_y = p_filter->p_sys->p_menu->p_state->i_y;
510 p_spu->p_region = p_region;
511 p_spu->i_alpha = 0xFF; /* Picture is completely non transparent. */
515 if( p_sys->p_vout && p_sys->b_clicked )
517 p_sys->b_clicked = false;
518 osd_MenuActivate( p_filter );
520 /* Create new spu regions
522 p_region = create_picture_region( p_filter, p_spu,
523 p_filter->p_sys->p_menu->p_state->i_width,
524 p_filter->p_sys->p_menu->p_state->i_height,
525 p_filter->p_sys->p_menu->p_state->p_pic );
529 p_filter->pf_sub_buffer_del( p_filter, p_spu );
533 p_spu->i_alpha = p_filter->p_sys->i_alpha;
535 /* proper positioning of OSD menu image */
536 if( p_filter->p_sys->p_menu->i_style == OSD_MENU_STYLE_CONCAT )
538 p_spu->i_x = p_filter->p_sys->p_menu->p_button->i_x;
539 p_spu->i_y = p_filter->p_sys->p_menu->p_button->i_y;
543 p_spu->i_x = p_filter->p_sys->p_menu->p_state->i_x;
544 p_spu->i_y = p_filter->p_sys->p_menu->p_state->i_y;
547 if( p_filter->p_sys->p_menu->i_style == OSD_MENU_STYLE_CONCAT )
549 subpicture_region_t *p_region_list = NULL;
550 subpicture_region_t *p_region_tail = NULL;
551 osd_menu_t *p_osd = p_filter->p_sys->p_menu;
552 osd_button_t *p_button = p_osd->p_button;
554 /* Construct the entire OSD from individual images */
555 while( p_button != NULL )
557 osd_button_t *p_tmp = NULL;
558 subpicture_region_t *p_new = NULL;
560 p_new = create_picture_region( p_filter, p_spu,
561 p_button->p_current_state->p_pic->p[Y_PLANE].i_visible_pitch,
562 p_button->p_current_state->p_pic->p[Y_PLANE].i_visible_lines,
563 p_button->p_current_state->p_pic );
566 /* Cleanup when bailing out */
567 subpicture_region_t *p_tmp = NULL;
568 while( p_region_list )
570 p_tmp = p_region_list->p_next;
571 p_spu->pf_destroy_region( VLC_OBJECT(p_filter), p_region_list );
573 p_spu->pf_destroy_region( VLC_OBJECT(p_filter), p_region );
574 p_filter->pf_sub_buffer_del( p_filter, p_spu );
580 p_region_list = p_new;
581 p_region_tail = p_new;
585 p_new->i_x = p_region_tail->fmt.i_visible_width;
586 p_new->i_y = p_button->i_y;
587 p_region_tail->p_next = p_new;
588 p_region_tail = p_new;
590 p_tmp = p_button->p_next;
593 p_region->p_next = p_region_list;
596 p_region->p_next = create_text_region( p_filter, p_spu,
597 p_filter->p_sys->p_menu->p_state->i_width, p_filter->p_sys->p_menu->p_state->i_height,
598 p_filter->p_sys->p_menu->p_state->p_visible->psz_action );
600 p_spu->p_region = p_region;
604 static int OSDMenuCallback( vlc_object_t *p_this, char const *psz_var,
605 vlc_value_t oldval, vlc_value_t newval,
608 VLC_UNUSED(p_this); VLC_UNUSED(oldval);
609 filter_sys_t *p_sys = (filter_sys_t *) p_data;
614 if( !strncmp( psz_var, OSD_CFG"position", 16) )
616 #define ARRAY_SIZE(x) (sizeof(x) / sizeof((x)[0]))
618 for( i=0; i < ARRAY_SIZE(pi_pos_values); i++ )
620 if( newval.i_int == pi_pos_values[i] )
622 p_sys->i_position = newval.i_int % 11;
628 else if( !strncmp( psz_var, OSD_CFG"x", 9) ||
629 !strncmp( psz_var, OSD_CFG"y", 9))
631 p_sys->b_absolute = true;
632 if( (p_sys->i_x < 0) || (p_sys->i_y < 0) )
634 p_sys->b_absolute = false;
635 p_sys->p_menu->i_x = 0;
636 p_sys->p_menu->i_y = 0;
638 else if( (p_sys->i_x >= 0) || (p_sys->i_y >= 0) )
640 p_sys->p_menu->i_x = p_sys->i_x;
641 p_sys->p_menu->i_y = p_sys->i_y;
644 else if( !strncmp( psz_var, OSD_CFG"update", 14) )
645 p_sys->i_update = (mtime_t)(newval.i_int * 1000);
646 else if( !strncmp( psz_var, OSD_CFG"timeout", 15) )
647 p_sys->i_update = newval.i_int % 1000;
648 else if( !strncmp( psz_var, OSD_CFG"alpha", 13) )
649 p_sys->i_alpha = newval.i_int % 256;
651 p_sys->b_update = p_sys->b_visible ? true : false;
655 /*****************************************************************************
656 * MouseEvent: callback for mouse events
657 *****************************************************************************/
658 static int MouseEvent( vlc_object_t *p_this, char const *psz_var,
659 vlc_value_t oldval, vlc_value_t newval, void *p_data )
661 VLC_UNUSED(oldval); VLC_UNUSED(newval);
662 filter_sys_t *p_sys = (filter_sys_t *)p_data;
663 vout_thread_t *p_vout = (vout_thread_t*)p_sys->p_vout;
668 #define MOUSE_CLICKED 2
669 #define MOUSE_MOVE_X 4
670 #define MOUSE_MOVE_Y 8
671 #define MOUSE_MOVE 12
674 int v_h = p_vout->output.i_height;
675 int v_w = p_vout->output.i_width;
677 if( psz_var[6] == 'x' ) mouse |= MOUSE_MOVE_X;
678 if( psz_var[6] == 'y' ) mouse |= MOUSE_MOVE_Y;
679 if( psz_var[6] == 'c' ) mouse |= MOUSE_CLICKED;
681 i_v = var_GetInteger( p_sys->p_vout, "mouse-button-down" );
682 if( i_v & 0x1 ) mouse |= MOUSE_DOWN;
683 i_y = var_GetInteger( p_sys->p_vout, "mouse-y" );
684 i_x = var_GetInteger( p_sys->p_vout, "mouse-x" );
686 if( i_y < 0 || i_x < 0 || i_y >= v_h || i_x >= v_w )
689 if( mouse & MOUSE_CLICKED )
691 int i_scale_width, i_scale_height;
692 osd_button_t *p_button = NULL;
694 i_scale_width = p_vout->fmt_out.i_visible_width * 1000 /
695 p_vout->fmt_in.i_visible_width;
696 i_scale_height = p_vout->fmt_out.i_visible_height * 1000 /
697 p_vout->fmt_in.i_visible_height;
699 p_button = osd_ButtonFind( p_this, i_x, i_y, v_h, v_w,
700 i_scale_width, i_scale_height );
703 osd_ButtonSelect( p_this, p_button );
704 p_sys->b_update = p_sys->b_visible ? true : false;
705 p_sys->b_clicked = true;
706 msg_Dbg( p_this, "mouse clicked %s (%d,%d)\n", p_button->psz_name, i_x, i_y );