1 /*****************************************************************************
2 * qt4.cpp : Qt interface
3 ****************************************************************************
4 * Copyright © 2006-2009 the VideoLAN team
7 * Authors: Clément Stenac <zorglub@videolan.org>
8 * Jean-Baptiste Kempf <jb@videolan.org>
10 * This program is free software; you can redistribute it and/or modify
11 * it under the terms of the GNU General Public License as published by
12 * the Free Software Foundation; either version 2 of the License, or
13 * (at your option) any later version.
15 * This program is distributed in the hope that it will be useful,
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 * GNU General Public License for more details.
20 * You should have received a copy of the GNU General Public License
21 * along with this program; if not, write to the Free Software
22 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
23 *****************************************************************************/
29 #include <QApplication>
35 #include "input_manager.hpp" /* THEMIM destruction */
36 #include "dialogs_provider.hpp" /* THEDP creation */
37 #include "main_interface.hpp" /* MainInterface creation */
38 #include "extensions_manager.hpp" /* Extensions manager */
39 #include "dialogs/help.hpp" /* Launch Update */
40 #include "recents.hpp" /* Recents Item destruction */
41 #include "util/qvlcapp.hpp" /* QVLCApplication definition */
42 #include "components/playlist/playlist_model.hpp" /* for ~PLModel() */
48 #include "../../../share/icons/32x32/vlc.xpm"
49 #include "../../../share/icons/32x32/vlc-xmas.xpm"
50 #include <vlc_plugin.h>
51 #include <vlc_vout_window.h>
53 #ifdef _WIN32 /* For static builds */
55 Q_IMPORT_PLUGIN(qjpeg)
56 Q_IMPORT_PLUGIN(qtaccessiblewidgets)
59 /*****************************************************************************
61 *****************************************************************************/
62 static int OpenIntf ( vlc_object_t * );
63 static int OpenDialogs ( vlc_object_t * );
64 static int Open ( vlc_object_t *, bool );
65 static void Close ( vlc_object_t * );
66 static int WindowOpen ( vout_window_t *, const vout_window_cfg_t * );
67 static void WindowClose ( vout_window_t * );
68 static void *Thread ( void * );
69 static void ShowDialog ( intf_thread_t *, int, int, intf_dialog_args_t * );
71 /*****************************************************************************
73 *****************************************************************************/
74 #define ADVANCED_PREFS_TEXT N_( "Show advanced preferences over simple ones" )
75 #define ADVANCED_PREFS_LONGTEXT N_( "Show advanced preferences and not simple "\
76 "preferences when opening the preferences "\
79 #define SYSTRAY_TEXT N_( "Systray icon" )
80 #define SYSTRAY_LONGTEXT N_( "Show an icon in the systray " \
81 "allowing you to control VLC media player " \
82 "for basic actions." )
84 #define MINIMIZED_TEXT N_( "Start VLC with only a systray icon" )
85 #define MINIMIZED_LONGTEXT N_( "VLC will start with just an icon in " \
88 #define KEEPSIZE_TEXT N_( "Resize interface to the native video size" )
89 #define KEEPSIZE_LONGTEXT N_( "You have two choices:\n" \
90 " - The interface will resize to the native video size\n" \
91 " - The video will fit to the interface size\n " \
92 "By default, interface resize to the native video size." )
94 #define TITLE_TEXT N_( "Show playing item name in window title" )
95 #define TITLE_LONGTEXT N_( "Show the name of the song or video in the " \
96 "controller window title." )
98 #define NOTIFICATION_TEXT N_( "Show notification popup on track change" )
99 #define NOTIFICATION_LONGTEXT N_( \
100 "Show a notification popup with the artist and track name when " \
101 "the current playlist item changes, when VLC is minimized or hidden." )
103 #define OPACITY_TEXT N_( "Windows opacity between 0.1 and 1" )
104 #define OPACITY_LONGTEXT N_( "Sets the windows opacity between 0.1 and 1 " \
105 "for main interface, playlist and extended panel."\
106 " This option only works with Windows and " \
107 "X11 with composite extensions." )
109 #define OPACITY_FS_TEXT N_( "Fullscreen controller opacity between 0.1 and 1" )
110 #define OPACITY_FS_LONGTEXT N_( "Sets the fullscreen controller opacity between 0.1 and 1 " \
111 "for main interface, playlist and extended panel."\
112 " This option only works with Windows and " \
113 "X11 with composite extensions." )
116 #define ERROR_TEXT N_( "Show unimportant error and warnings dialogs" )
118 #define UPDATER_TEXT N_( "Activate the updates availability notification" )
119 #define UPDATER_LONGTEXT N_( "Activate the automatic notification of new " \
120 "versions of the software. It runs once every " \
122 #define UPDATER_DAYS_TEXT N_("Number of days between two update checks")
124 #define PRIVACY_TEXT N_( "Ask for network policy at start" )
126 #define RECENTPLAY_TEXT N_( "Save the recently played items in the menu" )
128 #define RECENTPLAY_FILTER_TEXT N_( "List of words separated by | to filter" )
129 #define RECENTPLAY_FILTER_LONGTEXT N_( "Regular expression used to filter " \
130 "the recent items played in the player" )
132 #define SLIDERCOL_TEXT N_( "Define the colors of the volume slider " )
133 #define SLIDERCOL_LONGTEXT N_( "Define the colors of the volume slider\n" \
134 "By specifying the 12 numbers separated by a ';'\n" \
135 "Default is '255;255;255;20;226;20;255;176;15;235;30;20'\n" \
136 "An alternative can be '30;30;50;40;40;100;50;50;160;150;150;255' ")
138 #define QT_MODE_TEXT N_( "Selection of the starting mode and look " )
139 #define QT_MODE_LONGTEXT N_( "Start VLC with:\n" \
141 " - a zone always present to show information " \
142 "as lyrics, album arts...\n" \
143 " - minimal mode with limited controls" )
145 #define QT_FULLSCREEN_TEXT N_( "Show a controller in fullscreen mode" )
146 #define QT_NATIVEOPEN_TEXT N_( "Embed the file browser in open dialog" )
148 #define FULLSCREEN_NUMBER_TEXT N_( "Define which screen fullscreen goes" )
149 #define FULLSCREEN_NUMBER_LONGTEXT N_( "Screennumber of fullscreen, instead of " \
150 "same screen where interface is" )
152 #define QT_AUTOLOAD_EXTENSIONS_TEXT N_( "Load extensions on startup" )
153 #define QT_AUTOLOAD_EXTENSIONS_LONGTEXT N_( "Automatically load the "\
154 "extensions module on startup" )
156 #define QT_MINIMAL_MODE_TEXT N_("Start in minimal view (without menus)" )
158 #define QT_BGCONE_TEXT N_( "Display background cone or art" )
159 #define QT_BGCONE_LONGTEXT N_( "Display background cone or current album art " \
160 "when not playing. " \
161 "Can be disabled to prevent burning screen." )
162 #define QT_BGCONE_EXPANDS_TEXT N_( "Expanding background cone or art." )
163 #define QT_BGCONE_EXPANDS_LONGTEXT N_( "Background art fits window's size" )
165 #define QT_DISABLE_VOLUME_KEYS_TEXT N_( "Ignore keyboard volume buttons." )
166 #define QT_DISABLE_VOLUME_KEYS_LONGTEXT N_( \
167 "With this option checked, the volume up, volume down and mute buttons on your " \
168 "keyboard will always change your system volume. With this option unchecked, the " \
169 "volume buttons will change VLC's volume when VLC is selected and change the " \
170 "system volume when VLC is not selected." )
172 #define QT_PAUSE_MINIMIZED_TEXT N_( "Pause the video playback when minimized" )
173 #define QT_PAUSE_MINIMIZED_LONGTEXT N_( \
174 "With this option enabled, the playback will be automatically paused when minimizing the window." )
176 #define ICONCHANGE_TEXT N_( "Allow automatic icon changes")
177 #define ICONCHANGE_LONGTEXT N_( \
178 "This option allows the interface to change its icon on various occasions.")
180 #define VOLUME_MAX_TEXT N_( "Maximum Volume displayed" )
182 static const int i_notification_list[] =
183 { NOTIFICATION_NEVER, NOTIFICATION_MINIMIZED, NOTIFICATION_ALWAYS };
185 static const char *const psz_notification_list_text[] =
186 { N_("Never"), N_("When minimized"), N_("Always") };
188 /**********************************************************************/
190 set_shortname( "Qt" )
191 set_description( N_("Qt interface") )
192 set_category( CAT_INTERFACE )
193 set_subcategory( SUBCAT_INTERFACE_MAIN )
194 set_capability( "interface", 151 )
195 set_callbacks( OpenIntf, Close )
199 add_bool( "qt-minimal-view", false, QT_MINIMAL_MODE_TEXT,
200 QT_MINIMAL_MODE_TEXT, false );
202 add_bool( "qt-system-tray", true, SYSTRAY_TEXT, SYSTRAY_LONGTEXT, false)
204 add_integer( "qt-notification", NOTIFICATION_MINIMIZED,
206 NOTIFICATION_LONGTEXT, false )
207 change_integer_list( i_notification_list, psz_notification_list_text )
209 add_bool( "qt-start-minimized", false, MINIMIZED_TEXT,
210 MINIMIZED_LONGTEXT, true)
211 add_bool( "qt-pause-minimized", false, QT_PAUSE_MINIMIZED_TEXT,
212 QT_PAUSE_MINIMIZED_LONGTEXT, false )
214 add_float_with_range( "qt-opacity", 1., 0.1, 1., OPACITY_TEXT,
215 OPACITY_LONGTEXT, false )
216 add_float_with_range( "qt-fs-opacity", 0.8, 0.1, 1., OPACITY_FS_TEXT,
217 OPACITY_FS_LONGTEXT, false )
219 add_bool( "qt-video-autoresize", true, KEEPSIZE_TEXT,
220 KEEPSIZE_LONGTEXT, false )
221 add_bool( "qt-name-in-title", true, TITLE_TEXT,
222 TITLE_LONGTEXT, false )
223 add_bool( "qt-fs-controller", true, QT_FULLSCREEN_TEXT,
224 QT_FULLSCREEN_TEXT, false )
226 add_bool( "qt-recentplay", true, RECENTPLAY_TEXT,
227 RECENTPLAY_TEXT, false )
228 add_string( "qt-recentplay-filter", "",
229 RECENTPLAY_FILTER_TEXT, RECENTPLAY_FILTER_LONGTEXT, false )
232 add_bool( "qt-updates-notif", true, UPDATER_TEXT,
233 UPDATER_LONGTEXT, false )
234 add_integer_with_range( "qt-updates-days", 3, 0, 180,
235 UPDATER_DAYS_TEXT, UPDATER_DAYS_TEXT, false )
239 add_bool( "qt-disable-volume-keys" /* name */,
240 true /* default value */,
241 QT_DISABLE_VOLUME_KEYS_TEXT /* text */,
242 QT_DISABLE_VOLUME_KEYS_LONGTEXT /* longtext */,
243 false /* advanced mode only */)
246 add_bool( "qt-embedded-open", false, QT_NATIVEOPEN_TEXT,
247 QT_NATIVEOPEN_TEXT, false )
250 add_bool( "qt-advanced-pref", false, ADVANCED_PREFS_TEXT,
251 ADVANCED_PREFS_LONGTEXT, false )
252 add_bool( "qt-error-dialogs", true, ERROR_TEXT,
255 add_string( "qt-slider-colours", "153;210;153;20;210;20;255;199;15;245;39;29",
256 SLIDERCOL_TEXT, SLIDERCOL_LONGTEXT, false )
258 add_bool( "qt-privacy-ask", true, PRIVACY_TEXT, PRIVACY_TEXT,
262 add_integer( "qt-fullscreen-screennumber", -1, FULLSCREEN_NUMBER_TEXT,
263 FULLSCREEN_NUMBER_LONGTEXT, false );
265 add_bool( "qt-autoload-extensions", true,
266 QT_AUTOLOAD_EXTENSIONS_TEXT, QT_AUTOLOAD_EXTENSIONS_LONGTEXT,
269 add_bool( "qt-bgcone", true, QT_BGCONE_TEXT, QT_BGCONE_LONGTEXT, true )
270 add_bool( "qt-bgcone-expands", false, QT_BGCONE_EXPANDS_TEXT,
271 QT_BGCONE_EXPANDS_LONGTEXT, true )
273 add_bool( "qt-icon-change", true, ICONCHANGE_TEXT, ICONCHANGE_LONGTEXT, true )
275 add_integer_with_range( "qt-max-volume", 125, 60, 300, VOLUME_MAX_TEXT, VOLUME_MAX_TEXT, true)
277 add_obsolete_bool( "qt-blingbling" ) /* Suppressed since 1.0.0 */
278 add_obsolete_integer( "qt-display-mode" ) /* Suppressed since 1.1.0 */
280 add_obsolete_bool( "qt-adv-options" ) /* Since 2.0.0 */
281 add_obsolete_bool( "qt-volume-complete" ) /* Since 2.0.0 */
282 add_obsolete_integer( "qt-startvolume" ) /* Since 2.0.0 */
284 cannot_unload_broken_library()
287 set_description( "Dialogs provider" )
288 set_capability( "dialogs provider", 51 )
290 set_callbacks( OpenDialogs, Close )
292 #if defined (Q_WS_X11) || (defined (Q_WS_QPA) && defined (__unix__))
294 set_capability( "vout window xid", 0 )
295 set_callbacks( WindowOpen, WindowClose )
297 #if defined (Q_WS_WIN) || (defined (Q_WS_QPA) && defined (_WIN32)) \
298 || defined (Q_WS_PM) || (defined (Q_WS_QPA) && defined (__OS2__))
300 set_capability( "vout window hwnd", 0 )
301 set_callbacks( WindowOpen, WindowClose )
303 #if defined (Q_WS_MAC) || (defined (Q_WS_QPA) && defined (__APPLE__))
305 set_capability( "vout window nsobject", 0 )
306 set_callbacks( WindowOpen, WindowClose )
311 /*****************************************/
313 /* Ugly, but the Qt interface assumes single instance anyway */
314 static vlc_sem_t ready;
316 static bool busy = false;
317 static bool active = false;
319 /*****************************************************************************
321 *****************************************************************************/
324 /* Used to abort the app.exec() on OSX after libvlc_Quit is called */
325 #include "../../../lib/libvlc_internal.h" /* libvlc_SetExitHandler */
326 static void Abort( void *obj )
328 QVLCApp::triggerQuit();
332 static void RegisterIntf( vlc_object_t *p_this )
334 playlist_t *pl = pl_Get(p_this);
335 var_Create (pl, "qt4-iface", VLC_VAR_ADDRESS);
336 var_SetAddress (pl, "qt4-iface", p_this);
337 var_Create (pl, "window", VLC_VAR_STRING);
338 var_SetString (pl, "window", "qt4,any");
342 static int Open( vlc_object_t *p_this, bool isDialogProvider )
344 intf_thread_t *p_intf = (intf_thread_t *)p_this;
347 if( !vlc_xlib_init( p_this ) )
350 Display *p_display = XOpenDisplay( NULL );
353 msg_Err( p_intf, "Could not connect to X server" );
356 XCloseDisplay( p_display );
359 QMutexLocker locker (&lock);
362 msg_Err (p_this, "cannot start Qt multiple times");
366 /* Allocations of p_sys */
367 intf_sys_t *p_sys = p_intf->p_sys = new intf_sys_t;
368 p_intf->p_sys->b_isDialogProvider = isDialogProvider;
370 p_sys->pl_model = NULL;
373 vlc_sem_init (&ready, 0);
375 /* Run mainloop on the main thread as Cocoa requires */
376 libvlc_SetExitHandler( p_intf->p_libvlc, Abort, p_intf );
377 Thread( (void *)p_intf );
379 if( vlc_clone( &p_sys->thread, Thread, p_intf, VLC_THREAD_PRIORITY_LOW ) )
386 /* Wait for the interface to be ready. This prevents the main
387 * LibVLC thread from starting video playback before we can create
388 * an embedded video window. */
389 vlc_sem_wait (&ready);
390 vlc_sem_destroy (&ready);
391 busy = active = true;
394 if( !isDialogProvider )
396 RegisterIntf( p_this );
403 /* Open Qt interface */
404 static int OpenIntf( vlc_object_t *p_this )
406 return Open( p_this, false );
409 /* Open Dialog Provider */
410 static int OpenDialogs( vlc_object_t *p_this )
412 return Open( p_this, true );
415 static void Close( vlc_object_t *p_this )
417 intf_thread_t *p_intf = (intf_thread_t *)p_this;
418 intf_sys_t *p_sys = p_intf->p_sys;
420 if( !p_sys->b_isDialogProvider )
422 playlist_t *pl = pl_Get(p_this);
424 var_Destroy (pl, "window");
425 var_Destroy (pl, "qt4-iface");
426 playlist_Deactivate (pl); /* release window provider if needed */
430 msg_Dbg( p_this, "requesting exit..." );
431 QVLCApp::triggerQuit();
433 msg_Dbg( p_this, "waiting for UI thread..." );
435 vlc_join (p_sys->thread, NULL);
439 QMutexLocker locker (&lock);
444 static void *Thread( void *obj )
446 intf_thread_t *p_intf = (intf_thread_t *)obj;
448 char dummy[] = "vlc"; /* for WM_CLASS */
449 char *argv[] = { dummy, NULL, };
450 int argc = sizeof(argv) / sizeof(argv[0]) - 1;
452 Q_INIT_RESOURCE( vlc );
454 /* Start the QApplication here */
455 QVLCApp app( argc, argv );
457 p_intf->p_sys->p_app = &app;
460 /* All the settings are in the .conf/.ini style */
461 p_intf->p_sys->mainSettings = new QSettings(
463 QSettings::IniFormat,
465 QSettings::NativeFormat,
467 QSettings::UserScope, "vlc", "vlc-qt-interface" );
469 /* Icon setting, Mac uses icon from .icns */
471 if( QDate::currentDate().dayOfYear() >= QT_XMAS_JOKE_DAY && var_InheritBool( p_intf, "qt-icon-change" ) )
472 app.setWindowIcon( QIcon(vlc_xmas_xpm) );
474 app.setWindowIcon( QIcon(vlc_xpm) );
477 /* Initialize timers and the Dialog Provider */
478 DialogsProvider::getInstance( p_intf );
480 /* Detect screensize for small screens like TV or Netbooks */
481 p_intf->p_sys->i_screenHeight =
482 app.QApplication::desktop()->availableGeometry().height();
485 /* Checking for VLC updates */
486 if( var_InheritBool( p_intf, "qt-updates-notif" ) &&
487 !var_InheritBool( p_intf, "qt-privacy-ask" ) )
489 int interval = var_InheritInteger( p_intf, "qt-updates-days" );
490 if( QDate::currentDate() >
491 getSettings()->value( "updatedate" ).toDate().addDays( interval ) )
493 /* The constructor of the update Dialog will do the 1st request */
494 UpdateDialog::getInstance( p_intf );
495 getSettings()->setValue( "updatedate", QDate::currentDate() );
500 /* Create the normal interface in non-DP mode */
501 if( !p_intf->p_sys->b_isDialogProvider )
503 p_mi = new MainInterface( p_intf );
504 p_intf->p_sys->p_mi = p_mi;
509 /* Explain how to show a dialog :D */
510 p_intf->pf_show_dialog = ShowDialog;
512 /* Check window type from the Qt platform back-end */
513 p_intf->p_sys->voutWindowType = VOUT_WINDOW_TYPE_INVALID;
514 #if defined (Q_WS_QPA)
515 QString platform = app.platformName();
516 if( platform == qfu("xcb") )
517 p_intf->p_sys->voutWindowType = VOUT_WINDOW_TYPE_XID;
519 msg_Err( p_intf, "unknown Qt platform: %s", qtu(platform) );
520 #elif defined (Q_WS_X11)
521 p_intf->p_sys->voutWindowType = VOUT_WINDOW_TYPE_XID;
522 #elif defined (Q_WS_WIN) || defined (Q_WS_PM)
523 p_intf->p_sys->voutWindowType = VOUT_WINDOW_TYPE_HWND;
524 #elif defined (Q_WS_MAC)
525 p_intf->p_sys->voutWindowType = VOUT_WINDOW_TYPE_NSOBJECT;
528 /* Tell the main LibVLC thread we are ready */
529 vlc_sem_post (&ready);
532 /* We took over main thread, register and start here */
533 if( !p_intf->p_sys->b_isDialogProvider )
535 RegisterIntf( (vlc_object_t *)p_intf );
536 playlist_Play( THEPL );
541 app.setQuitOnLastWindowClosed( false );
543 /* Retrieve last known path used in file browsing */
544 p_intf->p_sys->filepath =
545 getSettings()->value( "filedialog-path", QVLCUserDir( VLC_HOME_DIR ) ).toString();
547 /* Loads and tries to apply the preferred QStyle */
548 QString s_style = getSettings()->value( "MainWindow/QtStyle", "" ).toString();
549 if( s_style.compare("") != 0 )
550 QApplication::setStyle( s_style );
555 msg_Dbg( p_intf, "QApp exec() finished" );
558 QMutexLocker locker (&lock);
561 p_intf->p_sys->p_mi = NULL;
562 /* Destroy first the main interface because it is connected to some
563 slots in the MainInputManager */
568 ExtensionsManager::killInstance();
570 /* Destroy all remaining windows,
571 because some are connected to some slots
572 in the MainInputManager
573 Settings must be destroyed after that.
575 DialogsProvider::killInstance();
577 /* Delete the recentsMRL object before the configuration */
578 RecentsMRL::killInstance();
580 /* Save the path or delete if recent play are disabled */
581 if( var_InheritBool( p_intf, "qt-recentplay" ) )
582 getSettings()->setValue( "filedialog-path", p_intf->p_sys->filepath );
584 getSettings()->remove( "filedialog-path" );
587 delete p_intf->p_sys->pl_model;
589 /* Delete the configuration. Application has to be deleted after that. */
590 delete p_intf->p_sys->mainSettings;
592 /* Destroy the MainInputManager */
593 MainInputManager::killInstance();
595 /* Delete the application automatically */
599 /*****************************************************************************
600 * Callback to show a dialog
601 *****************************************************************************/
602 static void ShowDialog( intf_thread_t *p_intf, int i_dialog_event, int i_arg,
603 intf_dialog_args_t *p_arg )
605 VLC_UNUSED( p_intf );
606 DialogEvent *event = new DialogEvent( i_dialog_event, i_arg, p_arg );
607 QApplication::postEvent( THEDP, event );
611 * Video output window provider
613 * TODO move it out of here ?
615 static int WindowControl( vout_window_t *, int i_query, va_list );
617 static int WindowOpen( vout_window_t *p_wnd, const vout_window_cfg_t *cfg )
619 if( cfg->is_standalone )
622 intf_thread_t *p_intf =
623 (intf_thread_t *)var_InheritAddress( p_wnd, "qt4-iface" );
625 { /* If another interface is used, this plugin cannot work */
626 msg_Dbg( p_wnd, "Qt interface not found" );
629 if( p_intf->p_sys->voutWindowType != cfg->type )
633 case VOUT_WINDOW_TYPE_XID:
634 if( var_InheritBool( p_wnd, "video-wallpaper" ) )
639 QMutexLocker locker (&lock);
640 if (unlikely(!active))
643 MainInterface *p_mi = p_intf->p_sys->p_mi;
644 msg_Dbg( p_wnd, "requesting video window..." );
648 unsigned i_width = cfg->width;
649 unsigned i_height = cfg->height;
651 WId wid = p_mi->getVideo( &i_x, &i_y, &i_width, &i_height );
657 case VOUT_WINDOW_TYPE_XID:
658 p_wnd->handle.xid = (uintptr_t)wid;
659 p_wnd->display.x11 = NULL;
661 case VOUT_WINDOW_TYPE_HWND:
662 p_wnd->handle.hwnd = (void *)wid;
664 case VOUT_WINDOW_TYPE_NSOBJECT:
665 p_wnd->handle.nsobject = (void *)wid;
669 p_wnd->control = WindowControl;
670 p_wnd->sys = (vout_window_sys_t*)p_mi;
674 static int WindowControl( vout_window_t *p_wnd, int i_query, va_list args )
676 MainInterface *p_mi = (MainInterface *)p_wnd->sys;
677 QMutexLocker locker (&lock);
679 if (unlikely(!active))
681 msg_Warn (p_wnd, "video already released before control");
684 return p_mi->controlVideo( i_query, args );
687 static void WindowClose( vout_window_t *p_wnd )
689 MainInterface *p_mi = (MainInterface *)p_wnd->sys;
690 QMutexLocker locker (&lock);
692 /* Normally, the interface terminates after the video. In the contrary, the
693 * Qt4 main loop is gone, so we cannot send any event to the user interface
694 * widgets. Ideally, we would keep the Qt4 main loop running until after
695 * the video window is released. But it is far simpler to just have the Qt4
696 * thread destroy the window early, and to turn this function into a stub.
698 * That assumes the video output will behave sanely if it window is
699 * destroyed asynchronously.
700 * XCB and Xlib-XCB are fine with that. Plain Xlib wouldn't, */
701 if (unlikely(!active))
703 msg_Warn (p_wnd, "video already released");
706 msg_Dbg (p_wnd, "releasing video...");
707 p_mi->releaseVideo();