git.sesse.net Git - vlc/blob - modules/gui/gtk/gtk.c

   1 /*****************************************************************************
   2  * gtk.c : Gtk+ plugin for vlc
   3  *****************************************************************************
   4  * Copyright (C) 2000-2001 VideoLAN
   5  * $Id$
   6  *
   7  * Authors: Samuel Hocevar <sam@zoy.org>
   8  *
   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.
  13  *
  14  * This program is distributed in the hope that it will be useful,
  15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17  * GNU General Public License for more details.
  18  *
  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., 59 Temple Place - Suite 330, Boston, MA  02111, USA.
  22  *****************************************************************************/
  23
  24 /*****************************************************************************
  25  * Preamble
  26  *****************************************************************************/
  27 #include <stdlib.h>                                      /* malloc(), free() */
  28 #include <errno.h>                                                 /* ENOMEM */
  29 #include <string.h>                                            /* strerror() */
  30 #include <stdio.h>
  31
  32 #include <vlc/vlc.h>
  33 #include <vlc/intf.h>
  34
  35 #include <gtk/gtk.h>
  36
  37 #include "gtk_callbacks.h"
  38 #include "gtk_interface.h"
  39 #include "gtk_support.h"
  40
  41 #include "menu.h"
  42 #include "display.h"
  43 #include "common.h"
  44
  45 /*****************************************************************************
  46  * Local prototypes.
  47  *****************************************************************************/
  48 static int  Open         ( vlc_object_t * );
  49 static void Close        ( vlc_object_t * );
  50
  51 static void Run          ( intf_thread_t * );
  52 static int  Manage       ( intf_thread_t * );
  53
  54 /*****************************************************************************
  55  * Module descriptor
  56  *****************************************************************************/
  57 #define TOOLTIPS_TEXT N_("Show tooltips")
  58 #define TOOLTIPS_LONGTEXT N_("Show tooltips for configuration options.")
  59
  60 #define PREFS_MAXH_TEXT N_("Maximum height for the configuration windows")
  61 #define PREFS_MAXH_LONGTEXT N_( \
  62     "You can set the maximum height that the configuration windows in the " \
  63     "preferences menu will occupy.")
  64
  65 #define PATH_TEXT N_("Interface default search path")
  66 #define PATH_LONGTEXT N_( \
  67     "This option allows you to set the default path that the interface will " \
  68     "open when looking for a file.")
  69
  70 vlc_module_begin();
  71 #ifdef WIN32
  72     int i = 90;
  73 #else
  74     int i = getenv( "DISPLAY" ) == NULL ? 10 : 90;
  75 #endif
  76     set_description( _("Gtk+ interface") );
  77     set_category( CAT_INTERFACE );
  78     set_subcategory( SUBCAT_INTERFACE_GENERAL );
  79
  80     add_bool( "gtk-tooltips", 1, E_(GtkHideTooltips),
  81               TOOLTIPS_TEXT, TOOLTIPS_LONGTEXT, VLC_FALSE );
  82     add_integer( "gtk-prefs-maxh", 480, NULL,
  83                  PREFS_MAXH_TEXT, PREFS_MAXH_LONGTEXT, VLC_TRUE );
  84     add_directory( "gtk-search-path", NULL, NULL, PATH_TEXT,
  85                    PATH_LONGTEXT, VLC_TRUE );
  86
  87     set_capability( "interface", i );
  88     set_callbacks( Open, Close );
  89     add_shortcut( "gtk" );
  90     set_program( "gvlc" );
  91 vlc_module_end();
  92
  93 /*****************************************************************************
  94  * Open: initialize and create window
  95  *****************************************************************************/
  96 static int Open( vlc_object_t *p_this )
  97 {
  98     intf_thread_t *p_intf = (intf_thread_t *)p_this;
  99
 100     /* Allocate instance and initialize some members */
 101     p_intf->p_sys = malloc( sizeof( intf_sys_t ) );
 102     if( p_intf->p_sys == NULL )
 103     {
 104         msg_Err( p_intf, "out of memory" );
 105         return VLC_ENOMEM;
 106     }
 107
 108 #ifdef NEED_GTK_MAIN
 109     p_intf->p_sys->p_gtk_main =
 110         module_Need( p_this, "gui-helper", "gtk", VLC_TRUE );
 111     if( p_intf->p_sys->p_gtk_main == NULL )
 112     {
 113         free( p_intf->p_sys );
 114         return VLC_ENOMOD;
 115     }
 116 #endif
 117
 118     p_intf->pf_run = Run;
 119
 120     p_intf->p_sys->p_sub = msg_Subscribe( p_intf );
 121
 122     /* Initialize Gtk+ thread */
 123     p_intf->p_sys->b_playing = VLC_FALSE;
 124     p_intf->p_sys->b_deinterlace_update = VLC_FALSE;
 125
 126     p_intf->p_sys->b_aout_update = VLC_FALSE;
 127     p_intf->p_sys->b_vout_update = VLC_FALSE;
 128
 129     p_intf->p_sys->b_popup_changed = VLC_FALSE;
 130     p_intf->p_sys->b_window_changed = VLC_FALSE;
 131     p_intf->p_sys->b_playlist_changed = VLC_FALSE;
 132     p_intf->p_sys->b_program_update = VLC_FALSE;
 133     p_intf->p_sys->b_title_update = VLC_FALSE;
 134     p_intf->p_sys->b_chapter_update = VLC_FALSE;
 135     p_intf->p_sys->b_spu_update = VLC_FALSE;
 136     p_intf->p_sys->b_audio_update = VLC_FALSE;
 137
 138     p_intf->p_sys->p_input = NULL;
 139     p_intf->p_sys->i_playing = -1;
 140     p_intf->p_sys->b_slider_free = VLC_TRUE;
 141
 142     p_intf->p_sys->i_part = 0;
 143     p_intf->p_sys->b_mute = VLC_FALSE;
 144
 145     return VLC_SUCCESS;
 146 }
 147
 148 /*****************************************************************************
 149  * Close: destroy interface window
 150  *****************************************************************************/
 151 static void Close( vlc_object_t *p_this )
 152 {
 153     intf_thread_t *p_intf = (intf_thread_t *)p_this;
 154
 155     if( p_intf->p_sys->p_input )
 156     {
 157         vlc_object_release( p_intf->p_sys->p_input );
 158     }
 159
 160     msg_Unsubscribe( p_intf, p_intf->p_sys->p_sub );
 161
 162 #ifdef NEED_GTK_MAIN
 163     module_Unneed( p_intf, p_intf->p_sys->p_gtk_main );
 164 #endif
 165
 166     /* Destroy structure */
 167     free( p_intf->p_sys );
 168 }
 169
 170 /*****************************************************************************
 171  * Run: Gtk+ thread
 172  *****************************************************************************
 173  * this part of the interface is in a separate thread so that we can call
 174  * gtk_main() from within it without annoying the rest of the program.
 175  *****************************************************************************/
 176 static void Run( intf_thread_t *p_intf )
 177 {
 178     /* The data types we are allowed to receive */
 179     static GtkTargetEntry target_table[] =
 180     {
 181         { "STRING", 0, DROP_ACCEPT_STRING },
 182         { "text/uri-list", 0, DROP_ACCEPT_TEXT_URI_LIST },
 183         { "text/plain", 0, DROP_ACCEPT_TEXT_PLAIN }
 184     };
 185     char *psz_sout;
 186     GString *       p_target;
 187
 188 #ifdef NEED_GTK_MAIN
 189     gdk_threads_enter();
 190 #else
 191     /* gtk_init needs to know the command line. We don't care, so we
 192      * give it an empty one */
 193     char  *p_args[] = { "", NULL };
 194     char **pp_args  = p_args;
 195     int    i_args   = 1;
 196     int    i_dummy;
 197
 198     gtk_init( &i_args, &pp_args );
 199 #endif
 200
 201     /* Create some useful widgets that will certainly be used */
 202     p_intf->p_sys->p_window = create_intf_window();
 203     p_intf->p_sys->p_popup = create_intf_popup();
 204     p_intf->p_sys->p_playwin = create_intf_playlist();
 205     p_intf->p_sys->p_messages = create_intf_messages();
 206     p_intf->p_sys->p_tooltips = gtk_tooltips_new();
 207     p_intf->p_sys->p_sout = create_intf_sout();
 208
 209     /* Set the title of the main window */
 210     gtk_window_set_title( GTK_WINDOW(p_intf->p_sys->p_window),
 211                           VOUT_TITLE " (Gtk+ interface)");
 212
 213     /* Accept file drops on the main window */
 214     gtk_drag_dest_set( GTK_WIDGET( p_intf->p_sys->p_window ),
 215                        GTK_DEST_DEFAULT_ALL, target_table,
 216                        DROP_ACCEPT_END, GDK_ACTION_COPY );
 217
 218     /* Accept file drops on the playlist window */
 219     gtk_drag_dest_set( GTK_WIDGET( lookup_widget( p_intf->p_sys->p_playwin,
 220                                    "playlist_clist") ),
 221                        GTK_DEST_DEFAULT_ALL, target_table,
 222                        DROP_ACCEPT_END, GDK_ACTION_COPY );
 223
 224     /* Get the slider object */
 225     p_intf->p_sys->p_slider_frame = GTK_FRAME( gtk_object_get_data(
 226         GTK_OBJECT( p_intf->p_sys->p_window ), "slider_frame" ) );
 227
 228     /* Configure the log window */
 229     p_intf->p_sys->p_messages_text = GTK_TEXT( gtk_object_get_data(
 230         GTK_OBJECT(p_intf->p_sys->p_messages ), "messages_textbox" ) );
 231     gtk_text_set_line_wrap( p_intf->p_sys->p_messages_text, TRUE);
 232     gtk_text_set_word_wrap( p_intf->p_sys->p_messages_text, FALSE);
 233
 234     /* Get the interface labels */
 235 #define P_LABEL( name ) GTK_LABEL( gtk_object_get_data( \
 236                          GTK_OBJECT( p_intf->p_sys->p_window ), name ) )
 237     p_intf->p_sys->p_label_title = P_LABEL( "title_label" );
 238     p_intf->p_sys->p_label_chapter = P_LABEL( "chapter_label" );
 239 #undef P_LABEL
 240
 241     /* Connect the date display to the slider */
 242 #define P_SLIDER GTK_RANGE( gtk_object_get_data( \
 243                          GTK_OBJECT( p_intf->p_sys->p_window ), "slider" ) )
 244     p_intf->p_sys->p_adj = gtk_range_get_adjustment( P_SLIDER );
 245
 246     gtk_signal_connect ( GTK_OBJECT( p_intf->p_sys->p_adj ), "value_changed",
 247                          GTK_SIGNAL_FUNC( E_(GtkDisplayDate) ), NULL );
 248     p_intf->p_sys->f_adj_oldvalue = 0;
 249 #undef P_SLIDER
 250
 251
 252
 253     /* We don't create these ones yet because we perhaps won't need them */
 254     p_intf->p_sys->p_about = NULL;
 255     p_intf->p_sys->p_modules = NULL;
 256     p_intf->p_sys->p_open = NULL;
 257     p_intf->p_sys->p_jump = NULL;
 258
 259     /* Hide tooltips if the option is set */
 260     if( !config_GetInt( p_intf, "gtk-tooltips" ) )
 261     {
 262         gtk_tooltips_disable( p_intf->p_sys->p_tooltips );
 263     }
 264
 265     /* Store p_intf to keep an eye on it */
 266     gtk_object_set_data( GTK_OBJECT(p_intf->p_sys->p_window),
 267                          "p_intf", p_intf );
 268
 269     gtk_object_set_data( GTK_OBJECT(p_intf->p_sys->p_popup),
 270                          "p_intf", p_intf );
 271     gtk_object_set_data( GTK_OBJECT( gtk_object_get_data(
 272                              GTK_OBJECT(p_intf->p_sys->p_popup),
 273                              "popup_audio" ) ), "p_intf", p_intf );
 274     gtk_object_set_data( GTK_OBJECT( gtk_object_get_data(
 275                              GTK_OBJECT(p_intf->p_sys->p_popup),
 276                              "popup_video" ) ), "p_intf", p_intf );
 277
 278     gtk_object_set_data( GTK_OBJECT( p_intf->p_sys->p_playwin ),
 279                          "p_intf", p_intf );
 280
 281     gtk_object_set_data( GTK_OBJECT( p_intf->p_sys->p_messages ),
 282                          "p_intf", p_intf );
 283
 284     gtk_object_set_data( GTK_OBJECT(p_intf->p_sys->p_adj),
 285                          "p_intf", p_intf );
 286     gtk_object_set_data( GTK_OBJECT( p_intf->p_sys->p_sout ),
 287                          "p_intf", p_intf );
 288
 289     psz_sout = config_GetPsz( p_intf, "sout" );
 290     p_target = g_string_new( psz_sout ? psz_sout : "" );
 291     if( psz_sout ) free( psz_sout );
 292
 293     gtk_entry_set_text( gtk_object_get_data( GTK_OBJECT( p_intf->p_sys->p_sout ), "sout_entry_target" ), p_target->str );
 294     g_string_free( p_target, TRUE );
 295
 296     /* FIXME it's to be sure that only file entry is selected */
 297     gtk_toggle_button_set_active(  gtk_object_get_data( GTK_OBJECT( p_intf->p_sys->p_sout ),
 298                                    "sout_access_udp" ), TRUE );
 299
 300     gtk_toggle_button_set_active(  gtk_object_get_data( GTK_OBJECT( p_intf->p_sys->p_sout ),
 301                                    "sout_access_file" ), TRUE );
 302
 303     /* Show the control window */
 304     gtk_widget_show( p_intf->p_sys->p_window );
 305
 306 #ifdef NEED_GTK_MAIN
 307     while( !p_intf->b_die )
 308     {
 309         Manage( p_intf );
 310
 311         /* Sleep to avoid using all CPU - since some interfaces need to
 312          * access keyboard events, a 100ms delay is a good compromise */
 313         gdk_threads_leave();
 314         msleep( INTF_IDLE_SLEEP );
 315         gdk_threads_enter();
 316     }
 317 #else
 318     /* Sleep to avoid using all CPU - since some interfaces needs to access
 319      * keyboard events, a 100ms delay is a good compromise */
 320     i_dummy = gtk_timeout_add( INTF_IDLE_SLEEP / 1000, (GtkFunction)Manage,
 321                                p_intf );
 322     /* Enter Gtk mode */
 323     gtk_main();
 324     /* Remove the timeout */
 325     gtk_timeout_remove( i_dummy );
 326 #endif
 327
 328     /* Destroy the Tooltips structure */
 329     gtk_object_destroy( GTK_OBJECT(p_intf->p_sys->p_tooltips) );
 330     gtk_object_destroy( GTK_OBJECT(p_intf->p_sys->p_messages) );
 331     gtk_object_destroy( GTK_OBJECT(p_intf->p_sys->p_playwin) );
 332     gtk_object_destroy( GTK_OBJECT(p_intf->p_sys->p_popup) );
 333     gtk_object_destroy( GTK_OBJECT(p_intf->p_sys->p_window) );
 334
 335 #ifdef NEED_GTK_MAIN
 336     gdk_threads_leave();
 337 #endif
 338 }
 339
 340 /* following functions are local */
 341
 342 /*****************************************************************************
 343  * Manage: manage main thread messages
 344  *****************************************************************************
 345  * In this function, called approx. 10 times a second, we check what the
 346  * main program wanted to tell us.
 347  *****************************************************************************/
 348 static int Manage( intf_thread_t *p_intf )
 349 {
 350     int i_start, i_stop;
 351
 352     vlc_mutex_lock( &p_intf->change_lock );
 353
 354     /* If the "display popup" flag has changed */
 355     if( p_intf->b_menu_change )
 356     {
 357         if( !GTK_IS_WIDGET( p_intf->p_sys->p_popup ) )
 358         {
 359             p_intf->p_sys->p_popup = create_intf_popup();
 360             gtk_object_set_data( GTK_OBJECT( p_intf->p_sys->p_popup ),
 361                                  "p_intf", p_intf );
 362         }
 363         gtk_menu_popup( GTK_MENU( p_intf->p_sys->p_popup ),
 364                         NULL, NULL, NULL, NULL, 0, GDK_CURRENT_TIME );
 365         p_intf->b_menu_change = 0;
 366     }
 367
 368     /* Update the log window */
 369     vlc_mutex_lock( p_intf->p_sys->p_sub->p_lock );
 370     i_stop = *p_intf->p_sys->p_sub->pi_stop;
 371     vlc_mutex_unlock( p_intf->p_sys->p_sub->p_lock );
 372
 373     if( p_intf->p_sys->p_sub->i_start != i_stop )
 374     {
 375         static GdkColor white  = { 0, 0xffff, 0xffff, 0xffff };
 376         static GdkColor gray   = { 0, 0xaaaa, 0xaaaa, 0xaaaa };
 377         static GdkColor yellow = { 0, 0xffff, 0xffff, 0x6666 };
 378         static GdkColor red    = { 0, 0xffff, 0x6666, 0x6666 };
 379
 380         static const char * ppsz_type[4] = { ": ", " error: ", " warning: ",
 381                                              " debug: " };
 382         static GdkColor *   pp_color[4] = { &white, &red, &yellow, &gray };
 383
 384         for( i_start = p_intf->p_sys->p_sub->i_start;
 385              i_start != i_stop;
 386              i_start = (i_start+1) % VLC_MSG_QSIZE )
 387         {
 388             /* Append all messages to log window */
 389             gtk_text_insert( p_intf->p_sys->p_messages_text, NULL, &gray,
 390              NULL, p_intf->p_sys->p_sub->p_msg[i_start].psz_module, -1 );
 391
 392             gtk_text_insert( p_intf->p_sys->p_messages_text, NULL, &gray,
 393                 NULL, ppsz_type[p_intf->p_sys->p_sub->p_msg[i_start].i_type],
 394                 -1 );
 395
 396             gtk_text_insert( p_intf->p_sys->p_messages_text, NULL,
 397                 pp_color[p_intf->p_sys->p_sub->p_msg[i_start].i_type], NULL,
 398                 p_intf->p_sys->p_sub->p_msg[i_start].psz_msg, -1 );
 399
 400             gtk_text_insert( p_intf->p_sys->p_messages_text, NULL, &gray,
 401                 NULL, "\n", -1 );
 402         }
 403
 404         vlc_mutex_lock( p_intf->p_sys->p_sub->p_lock );
 405         p_intf->p_sys->p_sub->i_start = i_start;
 406         vlc_mutex_unlock( p_intf->p_sys->p_sub->p_lock );
 407
 408         /* If the messages list becomes too big, just clean half of it. */
 409         if( gtk_text_get_length( p_intf->p_sys->p_messages_text ) >
 410             VLC_MSG_QSIZE * 1000 )
 411         {
 412             gtk_text_set_point( p_intf->p_sys->p_messages_text, 0 );
 413             gtk_text_forward_delete( p_intf->p_sys->p_messages_text,
 414                 gtk_text_get_length( p_intf->p_sys->p_messages_text ) / 2 );
 415         }
 416
 417         gtk_text_set_point( p_intf->p_sys->p_messages_text,
 418                     gtk_text_get_length( p_intf->p_sys->p_messages_text ) );
 419     }
 420
 421     /* Update the playlist */
 422     GtkPlayListManage( p_intf );
 423
 424     /* Update the input */
 425     if( p_intf->p_sys->p_input == NULL )
 426     {
 427         p_intf->p_sys->p_input = vlc_object_find( p_intf, VLC_OBJECT_INPUT,
 428                                                           FIND_ANYWHERE );
 429     }
 430     else if( p_intf->p_sys->p_input->b_dead )
 431     {
 432         vlc_object_release( p_intf->p_sys->p_input );
 433         p_intf->p_sys->p_input = NULL;
 434     }
 435
 436     if( p_intf->p_sys->p_input )
 437     {
 438         input_thread_t  *p_input = p_intf->p_sys->p_input;
 439         aout_instance_t *p_aout  = NULL;
 440         vout_thread_t   *p_vout  = NULL;
 441         vlc_bool_t      b_need_menus = VLC_FALSE;
 442
 443         vlc_mutex_lock( &p_input->stream.stream_lock );
 444
 445         if( !p_input->b_die )
 446         {
 447             /* New input or stream map change */
 448             if( p_input->stream.b_changed )
 449             {
 450                 E_(GtkModeManage)( p_intf );
 451                 GtkSetupMenus( p_intf );
 452                 p_intf->p_sys->b_playing = 1;
 453             }
 454
 455             /* Manage the slider */
 456             if( p_input->stream.b_seekable && p_intf->p_sys->b_playing )
 457             {
 458                 float newvalue = p_intf->p_sys->p_adj->value;
 459
 460 #define p_area p_input->stream.p_selected_area
 461                 /* If the user hasn't touched the slider since the last time,
 462                  * then the input can safely change it */
 463                 if( newvalue == p_intf->p_sys->f_adj_oldvalue )
 464                 {
 465                     /* Update the value */
 466                     p_intf->p_sys->p_adj->value =
 467                     p_intf->p_sys->f_adj_oldvalue =
 468                         ( 100. * p_area->i_tell ) / p_area->i_size;
 469
 470                     gtk_signal_emit_by_name( GTK_OBJECT( p_intf->p_sys->p_adj ),
 471                                              "value_changed" );
 472                 }
 473                 /* Otherwise, send message to the input if the user has
 474                  * finished dragging the slider.
 475                  * Beware, the hack below is needed by the dvdplay plugin! */
 476                 else if( p_intf->p_sys->b_slider_free
 477                 /* hack -> */ && (p_intf->p_sys->f_adj_oldvalue < 100.) )
 478                 {
 479                     if( newvalue >= 0. && newvalue < 100. )
 480                     {
 481                         double f_fpos = (double)newvalue / 100.0;
 482
 483                         /* release the lock to be able to seek */
 484                         vlc_mutex_unlock( &p_input->stream.stream_lock );
 485                         var_SetFloat( p_input, "position", f_fpos );
 486                         vlc_mutex_lock( &p_input->stream.stream_lock );
 487                     }
 488
 489                     /* Update the old value */
 490                     p_intf->p_sys->f_adj_oldvalue = newvalue;
 491                 }
 492 #undef p_area
 493             }
 494
 495             if( p_intf->p_sys->i_part !=
 496                 p_input->stream.p_selected_area->i_part )
 497             {
 498                 p_intf->p_sys->b_chapter_update = 1;
 499                 b_need_menus = VLC_TRUE;
 500             }
 501
 502             /* Does the audio output require to update the menus ? */
 503             p_aout = (aout_instance_t *)vlc_object_find( p_intf, VLC_OBJECT_AOUT,
 504                                                          FIND_ANYWHERE );
 505             if( p_aout != NULL )
 506             {
 507                 vlc_value_t val;
 508                 if( var_Get( (vlc_object_t *)p_aout, "intf-change", &val ) >= 0
 509                     && val.b_bool )
 510                 {
 511                     p_intf->p_sys->b_aout_update = 1;
 512                     b_need_menus = 1;
 513                 }
 514
 515                 vlc_object_release( (vlc_object_t *)p_aout );
 516             }
 517
 518             /* Does the video output require to update the menus ? */
 519             p_vout = (vout_thread_t *)vlc_object_find( p_intf, VLC_OBJECT_VOUT,
 520                                                        FIND_ANYWHERE );
 521             if( p_vout != NULL )
 522             {
 523                 vlc_value_t val;
 524                 if( var_Get( (vlc_object_t *)p_vout, "intf-change", &val ) >= 0
 525                     && val.b_bool )
 526                 {
 527                     p_intf->p_sys->b_vout_update = 1;
 528                     b_need_menus = 1;
 529                 }
 530
 531                 vlc_object_release( (vlc_object_t *)p_vout );
 532             }
 533             if( b_need_menus )
 534             {
 535                 GtkSetupMenus( p_intf );
 536             }
 537         }
 538
 539         vlc_mutex_unlock( &p_input->stream.stream_lock );
 540     }
 541     else if( p_intf->p_sys->b_playing && !p_intf->b_die )
 542     {
 543         E_(GtkModeManage)( p_intf );
 544         p_intf->p_sys->b_playing = 0;
 545     }
 546
 547 #ifndef NEED_GTK_MAIN
 548     if( p_intf->b_die )
 549     {
 550         vlc_mutex_unlock( &p_intf->change_lock );
 551
 552         /* Prepare to die, young Skywalker */
 553         gtk_main_quit();
 554
 555         return FALSE;
 556     }
 557 #endif
 558
 559     vlc_mutex_unlock( &p_intf->change_lock );
 560
 561     return TRUE;
 562 }