X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=modules%2Fgui%2Fqt4%2Fqt4.cpp;h=b8adf662ff06d35ad7d11ef9a83c31673380c790;hb=d727c4590f83751a2f28fcdfd8af3886ebeb45d8;hp=a9d9b3a00bc9b17e479ebeb0c6451b535d4f1208;hpb=c70235263d27ea5f931404875a7e3a0daff4e1e6;p=vlc diff --git a/modules/gui/qt4/qt4.cpp b/modules/gui/qt4/qt4.cpp index a9d9b3a00b..b8adf662ff 100644 --- a/modules/gui/qt4/qt4.cpp +++ b/modules/gui/qt4/qt4.cpp @@ -1,10 +1,11 @@ /***************************************************************************** * qt4.cpp : QT4 interface **************************************************************************** - * Copyright (C) 2006-2007 the VideoLAN team + * Copyright © 2006-2008 the VideoLAN team * $Id$ * * Authors: Clément Stenac + * Jean-Baptiste Kempf * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by @@ -20,15 +21,32 @@ * along with this program; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA. *****************************************************************************/ +#ifdef HAVE_CONFIG_H +# include "config.h" +#endif #include +#include +#include +#include +#include +#include +#include +#include #include "qt4.hpp" #include "dialogs_provider.hpp" #include "input_manager.hpp" #include "main_interface.hpp" +#include "dialogs/help.hpp" /* update */ + +#ifdef HAVE_X11_XLIB_H +#include +#endif #include "../../../share/vlc32x32.xpm" +#include "../../../share/vlc32x32-christmas.xpm" +#include /***************************************************************************** * Local prototypes. @@ -36,6 +54,8 @@ static int Open ( vlc_object_t * ); static void Close ( vlc_object_t * ); static int OpenDialogs ( vlc_object_t * ); +static int WindowOpen ( vlc_object_t * ); +static void WindowClose ( vlc_object_t * ); static void Run ( intf_thread_t * ); static void Init ( intf_thread_t * ); static void ShowDialog ( intf_thread_t *, int, int, intf_dialog_args_t * ); @@ -43,100 +63,155 @@ static void ShowDialog ( intf_thread_t *, int, int, intf_dialog_args_t * ); /***************************************************************************** * Module descriptor *****************************************************************************/ -#define ALWAYS_VIDEO_TEXT N_("Always show a video screen, with a cone " \ - "when there is audio only.") -#define ALWAYS_VIDEO_LONGTEXT N_("Start VLC with a cone image, and display it" \ - " when there is no video track. " \ - "Visualisations are enabled." ) - -#define ADVANCED_PREFS_TEXT N_("Show advanced prefs over simple") -#define ADVANCED_PREFS_LONGTEXT N_("Show advanced preferences and not simple" \ - "preferences when opening the preferences " \ - "dialog.") - -#define SYSTRAY_TEXT N_("Show a systray icon to control VLC") -#define SYSTRAY_LONGTEXT N_("Show in the taskbar, a systray icon" \ - "in order to control VLC media player" \ - "for basic actions") - -#define MINIMIZED_TEXT N_("Start VLC only with a systray icon") -#define MINIMIZED_LONGTEXT N_("When you launch VLC with that option" \ - "VLC will start just with an icon in" \ - "your taskbar") - -#define TITLE_TEXT N_("Show playing item name in window title") -#define TITLE_LONGTEXT N_("Show the name of the song or video in the " \ - "controler window title") - -#define FILEDIALOG_PATH_TEXT N_("Path to use in file dialog") -#define FILEDIALOG_PATH_LONGTEXT N_("Path to use in file dialog") - -#define NOTIFICATION_TEXT N_("Show notification popup on track change if VLC is not visible") +#define ADVANCED_PREFS_TEXT N_( "Show advanced preferences over simple ones" ) +#define ADVANCED_PREFS_LONGTEXT N_( "Show advanced preferences and not simple "\ + "preferences when opening the preferences "\ + "dialog." ) + +#define SYSTRAY_TEXT N_( "Systray icon" ) +#define SYSTRAY_LONGTEXT N_( "Show an icon in the systray " \ + "allowing you to control VLC media player " \ + "for basic actions." ) + +#define MINIMIZED_TEXT N_( "Start VLC with only a systray icon" ) +#define MINIMIZED_LONGTEXT N_( "VLC will start with just an icon in " \ + "your taskbar" ) + +#define TITLE_TEXT N_( "Show playing item name in window title" ) +#define TITLE_LONGTEXT N_( "Show the name of the song or video in the " \ + "controler window title." ) + +#define FILEDIALOG_PATH_TEXT N_( "Path to use in openfile dialog" ) + +#define NOTIFICATION_TEXT N_( "Show notification popup on track change" ) #define NOTIFICATION_LONGTEXT N_( \ "Show a notification popup with the artist and track name when " \ "the current playlist item changes, when VLC is minimized or hidden." ) -#define ADVANCED_OPTIONS_TEXT N_("Advanced options") -#define ADVANCED_OPTIONS_LONGTEXT N_("Activate by default all the" \ - "advanced options for geeks") +#define ADVANCED_OPTIONS_TEXT N_( "Advanced options" ) +#define ADVANCED_OPTIONS_LONGTEXT N_( "Show all the advanced options " \ + "in the dialogs." ) + +#define OPACITY_TEXT N_( "Windows opacity between 0.1 and 1." ) +#define OPACITY_LONGTEXT N_( "Sets the windows opacity between 0.1 and 1 " \ + "for main interface, playlist and extended panel."\ + " This option only works with Windows and " \ + "X11 with composite extensions." ) + +#define ERROR_TEXT N_( "Show unimportant error and warnings dialogs" ) + +#define UPDATER_TEXT N_( "Activate the updates availability notification" ) +#define UPDATER_LONGTEXT N_( "Activate the automatic notification of new " \ + "versions of the software. It runs once every " \ + "two weeks." ) +#define UPDATER_DAYS_TEXT N_("Number of days between two update checks") + +#define COMPLETEVOL_TEXT N_( "Allow the volume to be set to 400%" ) +#define COMPLETEVOL_LONGTEXT N_( "Allow the volume to have range from 0% to " \ + "400%, instead of 0% to 200%. This option " \ + "can distort the audio, since it uses " \ + "software amplification." ) + +#define SAVEVOL_TEXT N_( "Automatically save the volume on exit" ) + +#define BLING_TEXT N_( "Use non native buttons and volume slider" ) -#define OPACITY_TEXT N_("Windows opacity between 0.1 and 1.") -#define OPACITY_LONGTEXT N_("Sets the windows opacity between 0.1 and 1 " \ - "for main interface, playlist and extended panel." \ - "This options only works with Windows and " \ - "X11 with composite extensions.") +#define PRIVACY_TEXT N_( "Ask for network policy at start" ) -#define SHOWFLAGS_TEXT N_("Define what columns to show in playlist window") -#define SHOWFLAGS_LONGTEXT N_("Enter the sum of the options that you want: \n" \ - "Title: 1; Duration: 2; Artist: 4; Genre: 8; " \ - "Copyright: 16; Collection/album: 32; Rating: 256." ) -#define ERROR_TEXT N_("Show unimportant error and warnings dialogs" ) +#define SLIDERCOL_TEXT N_( "Define the colors of the volume slider " ) +#define SLIDERCOL_LONGTEXT N_( "Define the colors of the volume slider\n" \ + "By specifying the 12 numbers separated by a ';'\n" \ + "Default is '255;255;255;20;226;20;255;176;15;235;30;20'\n" \ + "An alternative can be '30;30;50;40;40;100;50;50;160;150;150;255' ") +#define QT_MODE_TEXT N_( "Selection of the starting mode and look " ) +#define QT_MODE_LONGTEXT N_( "Start VLC with:\n" \ + " - normal mode\n" \ + " - a zone always present to show information " \ + "as lyrics, album arts...\n" \ + " - minimal mode with limited controls" ) + +#define QT_NORMAL_MODE_TEXT N_( "Classic look" ) +#define QT_ALWAYS_VIDEO_MODE_TEXT N_( "Complete look with information area" ) +#define QT_MINIMAL_MODE_TEXT N_( "Minimal look with no menus" ) + +#define QT_FULLSCREEN_TEXT N_( "Show a controller in fullscreen mode" ) + +static const int i_mode_list[] = + { QT_NORMAL_MODE, QT_ALWAYS_VIDEO_MODE, QT_MINIMAL_MODE }; +static const char *const psz_mode_list_text[] = + { QT_NORMAL_MODE_TEXT, QT_ALWAYS_VIDEO_MODE_TEXT, QT_MINIMAL_MODE_TEXT }; vlc_module_begin(); - set_shortname( (char *)"Qt" ); - set_description( (char*)_("Qt interface") ); + set_shortname( "Qt" ); + set_description( N_("Qt interface") ); set_category( CAT_INTERFACE ) ; set_subcategory( SUBCAT_INTERFACE_MAIN ); set_capability( "interface", 151 ); set_callbacks( Open, Close ); - set_program( "qvlc" ); add_shortcut("qt"); add_submodule(); set_description( "Dialogs provider" ); set_capability( "dialogs provider", 51 ); - add_bool( "qt-always-video", VLC_FALSE, NULL, ALWAYS_VIDEO_TEXT, - ALWAYS_VIDEO_LONGTEXT, VLC_TRUE ); - add_bool( "qt-advanced-pref", VLC_FALSE, NULL, ADVANCED_PREFS_TEXT, - ADVANCED_PREFS_LONGTEXT, VLC_FALSE ); - add_bool( "qt-system-tray", VLC_TRUE, NULL, SYSTRAY_TEXT, - SYSTRAY_LONGTEXT, VLC_FALSE); - add_bool( "qt-start-minimized", VLC_FALSE, NULL, MINIMIZED_TEXT, - MINIMIZED_LONGTEXT, VLC_TRUE); - add_bool( "qt-name-in-title", VLC_TRUE, NULL, TITLE_TEXT, - TITLE_LONGTEXT, VLC_FALSE ); - add_bool( "qt-error-dialogs", VLC_TRUE, NULL, ERROR_TEXT, - ERROR_TEXT, VLC_FALSE ): + + add_integer( "qt-display-mode", QT_NORMAL_MODE, NULL, + QT_MODE_TEXT, QT_MODE_LONGTEXT, false ); + change_integer_list( i_mode_list, psz_mode_list_text, 0 ); + + add_bool( "qt-notification", true, NULL, NOTIFICATION_TEXT, + NOTIFICATION_LONGTEXT, false ); + + add_float_with_range( "qt-opacity", 1., 0.1, 1., NULL, OPACITY_TEXT, + OPACITY_LONGTEXT, false ); + add_bool( "qt-blingbling", true, NULL, BLING_TEXT, + BLING_TEXT, false ); + + add_bool( "qt-system-tray", true, NULL, SYSTRAY_TEXT, + SYSTRAY_LONGTEXT, false); + add_bool( "qt-start-minimized", false, NULL, MINIMIZED_TEXT, + MINIMIZED_LONGTEXT, true); + add_bool( "qt-name-in-title", true, NULL, TITLE_TEXT, + TITLE_LONGTEXT, false ); + add_bool( "qt-fs-controller", true, NULL, QT_FULLSCREEN_TEXT, + QT_FULLSCREEN_TEXT, false ); + + add_bool( "qt-volume-complete", false, NULL, COMPLETEVOL_TEXT, + COMPLETEVOL_LONGTEXT, true ); + add_bool( "qt-autosave-volume", false, NULL, SAVEVOL_TEXT, + SAVEVOL_TEXT, true ); add_string( "qt-filedialog-path", NULL, NULL, FILEDIALOG_PATH_TEXT, - FILEDIALOG_PATH_LONGTEXT, VLC_TRUE); + FILEDIALOG_PATH_TEXT, true ); change_autosave(); change_internal(); - add_bool( "qt-notification", VLC_TRUE, NULL, NOTIFICATION_TEXT, - NOTIFICATION_LONGTEXT, VLC_FALSE ); - add_float_with_range( "qt-opacity", 1., 0.1, 1., NULL, OPACITY_TEXT, - OPACITY_LONGTEXT, VLC_FALSE ); - add_bool( "qt-adv-options", VLC_FALSE, NULL, ADVANCED_OPTIONS_TEXT, - ADVANCED_OPTIONS_LONGTEXT, VLC_TRUE ); - add_integer( "qt-pl-showflags", - VLC_META_ENGINE_ARTIST|VLC_META_ENGINE_TITLE| - VLC_META_ENGINE_DURATION|VLC_META_ENGINE_COLLECTION, - NULL, SHOWFLAGS_TEXT, - SHOWFLAGS_LONGTEXT, VLC_TRUE ); + + add_bool( "qt-adv-options", false, NULL, ADVANCED_OPTIONS_TEXT, + ADVANCED_OPTIONS_LONGTEXT, true ); + add_bool( "qt-advanced-pref", false, NULL, ADVANCED_PREFS_TEXT, + ADVANCED_PREFS_LONGTEXT, false ); + add_bool( "qt-error-dialogs", true, NULL, ERROR_TEXT, + ERROR_TEXT, false ); +#ifdef UPDATE_CHECK + add_bool( "qt-updates-notif", true, NULL, UPDATER_TEXT, + UPDATER_LONGTEXT, false ); + add_integer( "qt-updates-days", 14, NULL, UPDATER_DAYS_TEXT, + UPDATER_DAYS_TEXT, false ); +#endif + add_string( "qt-slider-colours", + "255;255;255;20;226;20;255;176;15;235;30;20", + NULL, SLIDERCOL_TEXT, SLIDERCOL_LONGTEXT, false ); + + add_bool( "qt-privacy-ask", true, NULL, PRIVACY_TEXT, PRIVACY_TEXT, + false ); + change_internal(); + set_callbacks( OpenDialogs, Close ); -vlc_module_end(); + add_submodule(); + set_capability( "vout window", 50 ); + set_callbacks( WindowOpen, WindowClose ); +vlc_module_end(); /***************************************************************************** * Module callbacks @@ -144,27 +219,34 @@ vlc_module_end(); static int Open( vlc_object_t *p_this ) { intf_thread_t *p_intf = (intf_thread_t *)p_this; - p_intf->pf_run = Run; -#if defined HAVE_GETENV && defined Q_WS_X11 - if( !getenv( "DISPLAY" ) ) + +#if defined Q_WS_X11 && defined HAVE_X11_XLIB_H + /* Thanks for libqt4 calling exit() in QApplication::QApplication() + * instead of returning an error, we have to check the X11 display */ + Display *p_display = XOpenDisplay( NULL ); + if( !p_display ) { - msg_Err(p_intf, "no X server"); + msg_Err( p_intf, "Could not connect to X server" ); return VLC_EGENERIC; } + XCloseDisplay( p_display ); #endif - p_intf->p_sys = (intf_sys_t *)malloc(sizeof( intf_sys_t ) ); + + /* Allocations */ + p_intf->p_sys = (intf_sys_t *)malloc( sizeof( intf_sys_t ) ); if( !p_intf->p_sys ) - { - msg_Err(p_intf, "Out of memory"); return VLC_ENOMEM; - } memset( p_intf->p_sys, 0, sizeof( intf_sys_t ) ); - p_intf->p_sys->p_playlist = pl_Yield( p_intf ); - p_intf->p_sys->p_sub = msg_Subscribe( p_intf, MSG_QUEUE_NORMAL ); + p_intf->pf_run = Run; - p_intf->b_play = VLC_TRUE; + /* Access to the playlist */ + p_intf->p_sys->p_playlist = pl_Yield( p_intf ); + /* Listen to the messages */ + p_intf->p_sys->p_sub = msg_Subscribe( p_intf ); + /* one settings to rule them all */ + var_Create( p_this, "window_widget", VLC_VAR_ADDRESS ); return VLC_SUCCESS; } @@ -182,9 +264,18 @@ static int OpenDialogs( vlc_object_t *p_this ) static void Close( vlc_object_t *p_this ) { intf_thread_t *p_intf = (intf_thread_t *)p_this; - vlc_mutex_lock( &p_intf->object_lock ); - p_intf->b_dead = VLC_TRUE; - vlc_mutex_unlock( &p_intf->object_lock ); + + vlc_object_lock( p_intf ); + p_intf->b_dead = true; + vlc_object_unlock( p_intf ); + + if( p_intf->p_sys->b_isDialogProvider ) + { + DialogEvent *event = new DialogEvent( INTF_DIALOG_EXIT, 0, NULL ); + QApplication::postEvent( THEDP, static_cast(event) ); + + vlc_thread_join( p_intf ); + } vlc_object_release( p_intf->p_sys->p_playlist ); msg_Unsubscribe( p_intf, p_intf->p_sys->p_sub ); @@ -199,57 +290,158 @@ static void Run( intf_thread_t *p_intf ) { if( p_intf->pf_show_dialog ) { - if( vlc_thread_create( p_intf, "Qt dialogs", Init, 0, VLC_TRUE ) ) + if( vlc_thread_create( p_intf, "Qt dialogs", Init, 0, true ) ) msg_Err( p_intf, "failed to create Qt dialogs thread" ); } else Init( p_intf ); } +static QMutex windowLock; +static QWaitCondition windowWait; + static void Init( intf_thread_t *p_intf ) { + vlc_value_t val; char dummy[] = ""; char *argv[] = { dummy }; int argc = 1; Q_INIT_RESOURCE( vlc ); -#ifndef WIN32 + +#if !defined(WIN32) && !defined(__APPLE__) /* KLUDGE: - * disables icon theme use because that makes cleanlook style bug + * disables icon theme use because that makes Cleanlooks style bug + * because it asks gconf for some settings that timeout because of threads * see commits 21610 21622 21654 for reference */ - QApplication::setDesktopSettingsAware(false); + + /* If you don't have a gconftool-2 binary, you should comment this line */ + if( strcmp( qVersion(), "4.4.0" ) < 0 ) /* fixed in Qt 4.4.0 */ + QApplication::setDesktopSettingsAware( false ); #endif + + /* Start the QApplication here */ QApplication *app = new QApplication( argc, argv , true ); - app->setWindowIcon( QIcon( QPixmap(vlc_xpm) ) ); p_intf->p_sys->p_app = app; - // Initialize timers + p_intf->p_sys->mainSettings = new QSettings( +#ifdef WIN32 + QSettings::IniFormat, +#else + QSettings::NativeFormat, +#endif + QSettings::UserScope, "vlc", "vlc-qt-interface" ); + + /* Icon setting + FIXME: use a bigger icon ? */ + if( QDate::currentDate().dayOfYear() >= 354 ) + app->setWindowIcon( QIcon( QPixmap(vlc_christmas_xpm) ) ); + else + app->setWindowIcon( QIcon( QPixmap(vlc_xpm) ) ); + + /* Initialize timers and the Dialog Provider */ DialogsProvider::getInstance( p_intf ); - // Normal interface + QPointer *miP = NULL; + + /* Create the normal interface in non-DP mode */ if( !p_intf->pf_show_dialog ) { - MainInterface *p_mi = new MainInterface( p_intf ); - p_intf->p_sys->p_mi = p_mi; - p_mi->show(); + p_intf->p_sys->p_mi = new MainInterface( p_intf ); + /* We don't show it because it is done in the MainInterface constructor + p_mi->show(); */ + p_intf->p_sys->b_isDialogProvider = false; + + miP = new QPointer (p_intf->p_sys->p_mi); + val.p_address = miP; + QMutexLocker locker (&windowLock); + var_Set (p_intf, "window_widget", val); + windowWait.wakeAll (); } - - if( p_intf->pf_show_dialog ) - vlc_thread_ready( p_intf ); - - /* Start playing if needed */ - if( !p_intf->pf_show_dialog && p_intf->b_play ) + else { - playlist_Control( THEPL, PLAYLIST_AUTOPLAY, VLC_FALSE ); + vlc_thread_ready( p_intf ); + p_intf->p_sys->b_isDialogProvider = true; } + /* Explain to the core how to show a dialog :D */ p_intf->pf_show_dialog = ShowDialog; +#ifdef ENABLE_NLS + // Translation - get locale + QLocale ql = QLocale::system(); + // Translations for qt's own dialogs + QTranslator qtTranslator( 0 ); + // Let's find the right path for the translation file +#if !defined( WIN32 ) + QString path = QString( QT4LOCALEDIR ); +#else + QString path = QString( QString(config_GetDataDir()) + DIR_SEP + + "locale" + DIR_SEP + "qt4" + DIR_SEP ); +#endif + // files depending on locale + bool b_loaded = qtTranslator.load( path + "qt_" + ql.name()); + if (!b_loaded) + msg_Dbg( p_intf, "Error while initializing qt-specific localization" ); + app->installTranslator( &qtTranslator ); +#endif //ENABLE_NLS + + /* Last settings */ app->setQuitOnLastWindowClosed( false ); + + /* Retrieve last known path used in file browsing */ + char *psz_path = config_GetPsz( p_intf, "qt-filedialog-path" ); + p_intf->p_sys->psz_filepath = EMPTY_STR( psz_path ) ? psz_path + : config_GetHomeDir(); + +#ifdef UPDATE_CHECK + /* Checking for VLC updates */ + if( config_GetInt( p_intf, "qt-updates-notif" ) ) + { + int interval = config_GetInt( p_intf, "qt-updates-days" ); + if( QDate::currentDate() > + getSettings()->value( "updatedate" ).toDate().addDays( interval ) ) + { + /* The constructor of the update Dialog will do the 1st request */ + UpdateDialog::getInstance( p_intf ); + getSettings()->setValue( "updatedate", QDate::currentDate() ); + } + } +#endif + + /* Launch */ app->exec(); - MainInputManager::killInstance(); - DialogsProvider::killInstance(); + + /* And quit */ + + if (miP) + { + QMutexLocker locker (&windowLock); + val.p_address = NULL; + var_Set (p_intf, "window_widget", val); + delete miP; + } + + /* Destroy first the main interface because it is connected to some slots + in the MainInputManager */ delete p_intf->p_sys->p_mi; + + /* Destroy then other windows, because some are connected to some slots + in the MainInputManager */ + DialogsProvider::killInstance(); + + /* Destroy the MainInputManager */ + MainInputManager::killInstance(); + + /* Delete the configuration */ + delete p_intf->p_sys->mainSettings; + + /* Delete the application */ + delete app; + + /* Save the path */ + config_PutPsz( p_intf, "qt-filedialog-path", p_intf->p_sys->psz_filepath ); + free( psz_path ); } /***************************************************************************** @@ -274,3 +466,74 @@ static int PopupMenuCB( vlc_object_t *p_this, const char *psz_variable, ShowDialog( p_intf, INTF_DIALOG_POPUPMENU, new_val.b_bool, 0 ); return VLC_SUCCESS; } + +/** + * Video output window provider + */ +#include + +static int WindowControl (vout_window_t *, int, va_list); + +static int WindowOpen (vlc_object_t *obj) +{ + vout_window_t *wnd = (vout_window_t *)obj; + + if (config_GetInt (obj, "embedded-video") <= 0) + return VLC_EGENERIC; + + intf_thread_t *intf = (intf_thread_t *) + vlc_object_find_name (obj, "qt4", FIND_ANYWHERE); + if (intf == NULL) + return VLC_EGENERIC; /* Qt4 not in use */ + assert (intf->i_object_type == VLC_OBJECT_INTF); + + var_Create (intf, "window_widget", VLC_VAR_ADDRESS); + + vlc_value_t ptrval; + + windowLock.lock (); + msg_Dbg (obj, "waiting for interface..."); + for (;;) + { + var_Get (intf, "window_widget", &ptrval); + if (ptrval.p_address != NULL) + break; + windowWait.wait (&windowLock); + } + + msg_Dbg (obj, "requesting window..."); + QPointer *miP = (QPointer *)ptrval.p_address; + miP = new QPointer (*miP); /* create our own copy */ + vlc_object_release (intf); + + if (miP->isNull ()) + return VLC_EGENERIC; + + wnd->handle = (*miP)->requestVideo (wnd->vout, &wnd->pos_x, &wnd->pos_y, + &wnd->width, &wnd->height); + windowLock.unlock (); + wnd->control = WindowControl; + wnd->p_private = miP; + return VLC_SUCCESS; +} + +static int WindowControl (vout_window_t *wnd, int query, va_list args) +{ + QPointer *miP = (QPointer *)wnd->p_private; + QMutexLocker locker (&windowLock); + + if (miP->isNull ()) + return VLC_EGENERIC; + return (*miP)->controlVideo (wnd->handle, query, args); +} + +static void WindowClose (vlc_object_t *obj) +{ + vout_window_t *wnd = (vout_window_t *)obj; + QPointer *miP = (QPointer *)wnd->p_private; + QMutexLocker locker (&windowLock); + + if (!miP->isNull ()) + (*miP)->releaseVideo( wnd->vout, wnd->handle ); + delete miP; +}