git.sesse.net Git - vlc/blob - modules/video_output/qte/qte.cpp

   1 /*****************************************************************************
   2  * qte.cpp : QT Embedded plugin for vlc
   3  *****************************************************************************
   4  * Copyright (C) 1998-2003 the VideoLAN team
   5  * $Id$
   6  *
   7  * Authors: Gerald Hansink <gerald.hansink@ordina.nl>
   8  *          Jean-Paul Saman <jpsaman _at_ videolan _dot_ org>
   9  *
  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.
  14  *
  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.
  19  *
  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  *****************************************************************************/
  24
  25 /*****************************************************************************
  26  * Preamble
  27  *****************************************************************************/
  28
  29 /*****************************************************************************
  30  * notes:
  31  * - written for ipaq, so hardcoded assumptions specific for ipaq...
  32  * - runs full screen
  33  * - no "mouse events" handling
  34  * - etc.
  35  *****************************************************************************/
  36
  37 extern "C"
  38 {
  39 #include <errno.h>                                                 /* ENOMEM */
  40
  41 #ifdef HAVE_CONFIG_H
  42 # include "config.h"
  43 #endif
  44
  45 #include <vlc_common.h>
  46 #include <vlc_plugin.h>
  47 #include <vlc_interface.h>
  48 #include <vlc_vout.h>
  49
  50 #ifdef HAVE_MACHINE_PARAM_H
  51     /* BSD */
  52 #   include <machine/param.h>
  53 #   include <sys/types.h>                                  /* typedef ushort */
  54 #   include <sys/ipc.h>
  55 #endif
  56
  57 #ifndef WIN32
  58 #   include <netinet/in.h>                            /* BSD: struct in_addr */
  59 #endif
  60
  61 #ifdef HAVE_SYS_SHM_H
  62 #   include <sys/shm.h>                                /* shmget(), shmctl() */
  63 #endif
  64 } /* extern "C" */
  65
  66 #include <qapplication.h>
  67 #include <qpainter.h>
  68
  69 #ifdef Q_WS_QWS
  70 #   define USE_DIRECT_PAINTER
  71 #   include <qdirectpainter_qws.h>
  72 #   include <qgfxraster_qws.h>
  73 #endif
  74
  75 extern "C"
  76 {
  77 #include "qte.h"
  78
  79 /*****************************************************************************
  80  * Module descriptor
  81  *****************************************************************************/
  82 #define DISPLAY_TEXT N_("QT Embedded display")
  83 #define DISPLAY_LONGTEXT N_( \
  84     "Qt Embedded hardware display to use. " \
  85     "By default VLC will use the value of the DISPLAY environment variable.")
  86
  87 /*****************************************************************************
  88  * Local prototypes
  89  *****************************************************************************/
  90 static int  Open      ( vlc_object_t * );
  91 static void Close     ( vlc_object_t * );
  92 static void Render    ( vout_thread_t *, picture_t * );
  93 static void Display   ( vout_thread_t *, picture_t * );
  94 static int  Manage    ( vout_thread_t * );
  95 static int  Init      ( vout_thread_t * );
  96 static void End       ( vout_thread_t * );
  97
  98 static int  OpenDisplay ( vout_thread_t * );
  99 static void CloseDisplay( vout_thread_t * );
 100
 101 static int  NewPicture     ( vout_thread_t *, picture_t * );
 102 static void FreePicture    ( vout_thread_t *, picture_t * );
 103
 104 static void ToggleFullScreen      ( vout_thread_t * );
 105
 106 static void* RunQtThread( vlc_object_t *p_this );
 107 } /* extern "C" */
 108
 109 /*****************************************************************************
 110 * Exported prototypes
 111 *****************************************************************************/
 112 extern "C"
 113 {
 114
 115 vlc_module_begin ()
 116     set_category( CAT_VIDEO )
 117     set_subcategory( SUBCAT_VIDEO_VOUT )
 118 //    add_category_hint( N_("QT Embedded"), NULL )
 119 //    add_string( "qte-display", "landscape", NULL, DISPLAY_TEXT, DISPLAY_LONGTEXT)
 120     set_description( N_("QT Embedded video output") )
 121     set_capability( "video output", 70 )
 122     add_shortcut( "qte" )
 123     set_callbacks( Open, Close)
 124 vlc_module_end ()
 125
 126 } /* extern "C" */
 127
 128 /*****************************************************************************
 129  * Seeking function TODO: put this in a generic location !
 130  *****************************************************************************/
 131 static inline void vout_Seek( off_t i_seek )
 132 {
 133 }
 134
 135 /*****************************************************************************
 136  * Open: allocate video thread output method
 137  *****************************************************************************/
 138 static int Open( vlc_object_t *p_this )
 139 {
 140     vout_thread_t * p_vout = (vout_thread_t *)p_this;
 141
 142     /* Allocate structure */
 143     p_vout->p_sys = (struct vout_sys_t*) malloc( sizeof( struct vout_sys_t ) );
 144
 145     if( p_vout->p_sys == NULL )
 146         return( 1 );
 147
 148     p_vout->pf_init    = Init;
 149     p_vout->pf_end     = End;
 150     p_vout->pf_manage  = Manage;
 151     p_vout->pf_render  = NULL; //Render;
 152     p_vout->pf_display = Display;
 153
 154 #ifdef NEED_QTE_MAIN
 155     p_vout->p_sys->p_qte_main =
 156         module_need( p_this, "gui-helper", "qte", true );
 157     if( p_vout->p_sys->p_qte_main == NULL )
 158     {
 159         free( p_vout->p_sys );
 160         return VLC_ENOMOD;
 161     }
 162 #endif
 163
 164     if (OpenDisplay(p_vout))
 165     {
 166         msg_Err( p_vout, "Cannot set up qte video output" );
 167         Close(p_this);
 168         return( -1 );
 169     }
 170     return( 0 );
 171 }
 172
 173 /*****************************************************************************
 174  * CloseVideo: destroy Sys video thread output method
 175  *****************************************************************************
 176  * Terminate an output method created by Open
 177  *****************************************************************************/
 178 static void Close ( vlc_object_t *p_this )
 179 {
 180     vout_thread_t * p_vout = (vout_thread_t *)p_this;
 181
 182     msg_Dbg( p_vout, "close" );
 183     if( p_vout->p_sys->p_event )
 184     {
 185         vlc_object_detach( p_vout->p_sys->p_event );
 186
 187         /* Kill RunQtThread */
 188         vlc_object_kill( p_vout->p_sys->p_event );
 189         CloseDisplay(p_vout);
 190
 191         vlc_thread_join( p_vout->p_sys->p_event );
 192         vlc_object_release( p_vout->p_sys->p_event );
 193     }
 194
 195 #ifdef NEED_QTE_MAIN
 196     msg_Dbg( p_vout, "releasing gui-helper" );
 197     module_unneed( p_vout, p_vout->p_sys->p_qte_main );
 198 #endif
 199
 200     free( p_vout->p_sys );
 201     p_vout->p_sys = NULL;
 202 }
 203
 204 /*****************************************************************************
 205  * Init: initialize video thread output method
 206  *****************************************************************************
 207  * This function create the buffers needed by the output thread. It is called
 208  * at the beginning of the thread, but also each time the window is resized.
 209  *****************************************************************************/
 210 static int Init( vout_thread_t *p_vout )
 211 {
 212     int         i_index;
 213     picture_t*  p_pic;
 214     int         dd = QPixmap::defaultDepth();
 215
 216     I_OUTPUTPICTURES = 0;
 217
 218     p_vout->output.i_chroma = (dd == 16) ? VLC_CODEC_RGB16 : VLC_CODEC_RGB32;
 219     p_vout->output.i_rmask  = 0xf800;
 220     p_vout->output.i_gmask  = 0x07e0;
 221     p_vout->output.i_bmask  = 0x001f;
 222
 223     /* All we have is an RGB image with square pixels */
 224     p_vout->output.i_width  = p_vout->p_sys->i_width;
 225     p_vout->output.i_height = p_vout->p_sys->i_height;
 226     if( !p_vout->b_fullscreen )
 227     {
 228         p_vout->output.i_aspect = p_vout->output.i_width
 229                                    * VOUT_ASPECT_FACTOR
 230                                    / p_vout->output.i_height;
 231     }
 232     else
 233     {
 234         p_vout->output.i_aspect = p_vout->render.i_aspect;
 235     }
 236 #if 0
 237     msg_Dbg( p_vout, "Init (h=%d,w=%d,aspect=%d)",p_vout->output.i_height,p_vout->output.i_width,p_vout->output.i_aspect );
 238 #endif
 239     /* Try to initialize MAX_DIRECTBUFFERS direct buffers */
 240     while( I_OUTPUTPICTURES < QTE_MAX_DIRECTBUFFERS )
 241     {
 242         p_pic = NULL;
 243
 244         /* Find an empty picture slot */
 245         for( i_index = 0 ; i_index < VOUT_MAX_PICTURES ; i_index++ )
 246         {
 247             if( p_vout->p_picture[ i_index ].i_status == FREE_PICTURE )
 248             {
 249                 p_pic = p_vout->p_picture + i_index;
 250                 break;
 251             }
 252         }
 253
 254         /* Allocate the picture */
 255         if( p_pic == NULL ||  NewPicture( p_vout, p_pic ) )
 256         {
 257             break;
 258         }
 259
 260         p_pic->i_status = DESTROYED_PICTURE;
 261         p_pic->i_type   = DIRECT_PICTURE;
 262
 263         PP_OUTPUTPICTURE[ I_OUTPUTPICTURES ] = p_pic;
 264
 265         I_OUTPUTPICTURES++;
 266     }
 267
 268     return( 0 );
 269 }
 270
 271
 272 /*****************************************************************************
 273  * Render: render previously calculated output
 274  *****************************************************************************/
 275 static void Render( vout_thread_t *p_vout, picture_t *p_pic )
 276 {
 277     ;
 278 }
 279
 280 /*****************************************************************************
 281  * Display: displays previously rendered output
 282  *****************************************************************************
 283  * This function sends the currently rendered image to screen.
 284  *****************************************************************************/
 285 static void Display( vout_thread_t *p_vout, picture_t *p_pic )
 286 {
 287     unsigned int x, y, w, h;
 288
 289     vout_PlacePicture( p_vout, p_vout->output.i_width, p_vout->output.i_height,
 290                        &x, &y, &w, &h );
 291 #if 0
 292     msg_Dbg(p_vout, "+qte::Display( p_vout, i_width=%d, i_height=%d, x=%u, y=%u, w=%u, h=%u",
 293         p_vout->output.i_width, p_vout->output.i_height, x, y, w, h );
 294 #endif
 295
 296     if(p_vout->p_sys->p_VideoWidget)
 297     {
 298 // shameless borrowed from opie mediaplayer....
 299 #ifndef USE_DIRECT_PAINTER
 300         msg_Dbg(p_vout, "not using direct painter");
 301         QPainter p(p_vout->p_sys->p_VideoWidget);
 302
 303         /* rotate frame */
 304         int dd      = QPixmap::defaultDepth();
 305         int bytes   = ( dd == 16 ) ? 2 : 4;
 306         int rw = h, rh = w;
 307
 308         QImage rotatedFrame( rw, rh, bytes << 3 );
 309
 310         ushort* in  = (ushort*)p_pic->p_sys->pQImage->bits();
 311         ushort* out = (ushort*)rotatedFrame.bits();
 312
 313         int spl = rotatedFrame.bytesPerLine() / bytes;
 314         for (int x=0; x<h; x++)
 315         {
 316             if ( bytes == 2 )
 317             {
 318                 ushort* lout = out++ + (w - 1)*spl;
 319                 for (int y=0; y<w; y++)
 320                 {
 321                     *lout=*in++;
 322                     lout-=spl;
 323                 }
 324             }
 325             else
 326             {
 327                 ulong* lout = ((ulong *)out)++ + (w - 1)*spl;
 328                 for (int y=0; y<w; y++)
 329                 {
 330                     *lout=*((ulong*)in)++;
 331                     lout-=spl;
 332                 }
 333             }
 334         }
 335
 336         p.drawImage( x, y, rotatedFrame, 0, 0, rw, rh );
 337 #else
 338         QDirectPainter p(p_vout->p_sys->p_VideoWidget);
 339         p.transformOrientation();
 340         // just copy the image to the frame buffer...
 341         memcpy(p.frameBuffer(), (p_pic->p_sys->pQImage->jumpTable())[0], h * p.lineStep());
 342 #endif
 343     }
 344 }
 345
 346 /*****************************************************************************
 347  * Manage: handle Qte events
 348  *****************************************************************************
 349  * This function should be called regularly by video output thread. It manages
 350  * Qte events and allows window resizing. It returns a non null value on
 351  * error.
 352  *****************************************************************************/
 353 static int Manage( vout_thread_t *p_vout )
 354 {
 355 //    msg_Dbg( p_vout, "Manage" );
 356
 357     /* Fullscreen change */
 358     if( p_vout->i_changes & VOUT_FULLSCREEN_CHANGE )
 359     {
 360         p_vout->b_fullscreen = ! p_vout->b_fullscreen;
 361
 362 //        p_vout->p_sys->b_cursor_autohidden = 0;
 363 //        SDL_ShowCursor( p_vout->p_sys->b_cursor &&
 364 //                        ! p_vout->p_sys->b_cursor_autohidden );
 365
 366         p_vout->i_changes &= ~VOUT_FULLSCREEN_CHANGE;
 367         p_vout->i_changes |= VOUT_SIZE_CHANGE;
 368     }
 369
 370     /*
 371      * Size change
 372      */
 373     if( p_vout->i_changes & VOUT_SIZE_CHANGE )
 374     {
 375         msg_Dbg( p_vout, "video display resized (%dx%d)",
 376                  p_vout->p_sys->i_width, p_vout->p_sys->i_height );
 377
 378         CloseDisplay( p_vout );
 379         OpenDisplay( p_vout );
 380
 381         /* We don't need to signal the vout thread about the size change if
 382          * we can handle rescaling ourselves */
 383         p_vout->i_changes &= ~VOUT_SIZE_CHANGE;
 384     }
 385
 386     /* Pointer change */
 387 //    if( ! p_vout->p_sys->b_cursor_autohidden &&
 388 //        ( mdate() - p_vout->p_sys->i_lastmoved >
 389 //            p_vout->p_sys->i_mouse_hide_timeout ) )
 390 //    {
 391 //        /* Hide the mouse automatically */
 392 //        p_vout->p_sys->b_cursor_autohidden = 1;
 393 //        SDL_ShowCursor( 0 );
 394 //    }
 395 //
 396 //    if( !vlc_object_alive (p_vout->p_libvlc) )
 397 //        p_vout->p_sys->bRunning = FALSE;
 398
 399     return 0;
 400 }
 401
 402 /*****************************************************************************
 403  * End: terminate video thread output method
 404  *****************************************************************************
 405  * Destroy the buffers created by vout_Init. It is called at the end of
 406  * the thread, but also each time the window is resized.
 407  *****************************************************************************/
 408 static void End( vout_thread_t *p_vout )
 409 {
 410     int i_index;
 411
 412     /* Free the direct buffers we allocated */
 413     for( i_index = I_OUTPUTPICTURES ; i_index ; )
 414     {
 415         i_index--;
 416         FreePicture( p_vout, PP_OUTPUTPICTURE[ i_index ] );
 417     }
 418 }
 419
 420
 421 /*****************************************************************************
 422  * NewPicture: allocate a picture
 423  *****************************************************************************
 424  * Returns 0 on success, -1 otherwise
 425  *****************************************************************************/
 426 static int NewPicture( vout_thread_t *p_vout, picture_t *p_pic )
 427 {
 428     int dd = QPixmap::defaultDepth();
 429
 430     p_pic->p_sys = (picture_sys_t*) malloc( sizeof( picture_sys_t ) );
 431     if( p_pic->p_sys == NULL )
 432     {
 433         return -1;
 434     }
 435
 436     /* Create the display */
 437     p_pic->p_sys->pQImage = new QImage(p_vout->output.i_width,
 438                                        p_vout->output.i_height, dd );
 439
 440     if(p_pic->p_sys->pQImage == NULL)
 441     {
 442         return -1;
 443     }
 444
 445     switch( dd )
 446     {
 447         case 8:
 448             p_pic->p->i_pixel_pitch = 1;
 449             break;
 450         case 15:
 451         case 16:
 452             p_pic->p->i_pixel_pitch = 2;
 453             break;
 454         case 24:
 455         case 32:
 456             p_pic->p->i_pixel_pitch = 4;
 457             break;
 458         default:
 459             return( -1 );
 460     }
 461
 462     p_pic->p->p_pixels = (p_pic->p_sys->pQImage->jumpTable())[0];
 463     p_pic->p->i_pitch = p_pic->p_sys->pQImage->bytesPerLine();
 464     p_pic->p->i_lines = p_vout->output.i_height;
 465     p_pic->p->i_visible_lines = p_vout->output.i_height;
 466     p_pic->p->i_visible_pitch =
 467             p_pic->p->i_pixel_pitch * p_vout->output.i_width;
 468
 469     p_pic->i_planes = 1;
 470
 471     return 0;
 472 }
 473
 474 /*****************************************************************************
 475  * FreePicture: destroy a picture allocated with NewPicture
 476  *****************************************************************************/
 477 static void FreePicture( vout_thread_t *p_vout, picture_t *p_pic )
 478 {
 479     delete p_pic->p_sys->pQImage;
 480 }
 481
 482 /*****************************************************************************
 483  * ToggleFullScreen: Enable or disable full screen mode
 484  *****************************************************************************
 485  * This function will switch between fullscreen and window mode.
 486  *
 487  *****************************************************************************/
 488 static void ToggleFullScreen ( vout_thread_t *p_vout )
 489 {
 490     if ( p_vout->b_fullscreen )
 491        p_vout->p_sys->p_VideoWidget->showFullScreen();
 492     else
 493        p_vout->p_sys->p_VideoWidget->showNormal();
 494
 495     p_vout->b_fullscreen = !p_vout->b_fullscreen;
 496 }
 497
 498 /*****************************************************************************
 499  * OpenDisplay: create qte applicaton / window
 500  *****************************************************************************
 501  * Create a window according to video output given size, and set other
 502  * properties according to the display properties.
 503  *****************************************************************************/
 504 static int OpenDisplay( vout_thread_t *p_vout )
 505 {
 506     /* for displaying the vout in a qt window we need the QtApplication */
 507     p_vout->p_sys->p_QApplication = NULL;
 508     p_vout->p_sys->p_VideoWidget = NULL;
 509
 510     p_vout->p_sys->p_event = (event_thread_t*) vlc_object_create( p_vout, sizeof(event_thread_t) );
 511     p_vout->p_sys->p_event->p_vout = p_vout;
 512
 513     /* Initializations */
 514 #if 1 /* FIXME: I need an event queue to handle video output size changes. */
 515     p_vout->b_fullscreen = true;
 516 #endif
 517
 518     /* Set main window's size */
 519     QWidget *desktop = p_vout->p_sys->p_QApplication->desktop();
 520     p_vout->p_sys->i_width = p_vout->b_fullscreen ? desktop->height() :
 521                                                     p_vout->i_window_width;
 522     p_vout->p_sys->i_height = p_vout->b_fullscreen ? desktop->width() :
 523                                                      p_vout->i_window_height;
 524
 525 #if 0 /* FIXME: I need an event queue to handle video output size changes. */
 526     /* Update dimensions */
 527     p_vout->i_changes |= VOUT_SIZE_CHANGE;
 528     p_vout->i_window_width = p_vout->p_sys->i_width;
 529     p_vout->i_window_height = p_vout->p_sys->i_height;
 530 #endif
 531
 532     msg_Dbg( p_vout, "opening display (h=%d,w=%d)",p_vout->p_sys->i_height,p_vout->p_sys->i_width);
 533
 534     /* create thread to exec the qpe application */
 535     if ( vlc_thread_create( p_vout->p_sys->p_event, "QT Embedded Thread",
 536                             RunQtThread,
 537                             VLC_THREAD_PRIORITY_OUTPUT, true) )
 538     {
 539         msg_Err( p_vout, "cannot create QT Embedded Thread" );
 540         vlc_object_release( p_vout->p_sys->p_event );
 541         p_vout->p_sys->p_event = NULL;
 542         return -1;
 543     }
 544
 545     if( p_vout->p_sys->p_event->b_error )
 546     {
 547         msg_Err( p_vout, "RunQtThread failed" );
 548         return -1;
 549     }
 550
 551     vlc_object_attach( p_vout->p_sys->p_event, p_vout );
 552     msg_Dbg( p_vout, "RunQtThread running" );
 553
 554     // just wait until the crew is complete...
 555     while(p_vout->p_sys->p_VideoWidget == NULL)
 556     {
 557         msleep(1);
 558     }
 559     return VLC_SUCCESS;
 560 }
 561
 562
 563 /*****************************************************************************
 564  * CloseDisplay: destroy the window
 565  *****************************************************************************/
 566 static void CloseDisplay( vout_thread_t *p_vout )
 567 {
 568     // quit qt application loop
 569     msg_Dbg( p_vout, "destroying Qt Window" );
 570 #ifdef NEED_QTE_MAIN
 571     if(p_vout->p_sys->p_QApplication)
 572     {
 573         p_vout->p_sys->bRunning = FALSE;
 574         while(p_vout->p_sys->p_VideoWidget)
 575         {
 576             msleep(1);
 577         }
 578     }
 579 #else
 580     if (p_vout->p_sys->p_QApplication)
 581        p_vout->p_sys->p_QApplication->quit();
 582 #endif
 583 }
 584
 585 /*****************************************************************************
 586  * main loop of qtapplication
 587  *****************************************************************************/
 588 static void* RunQtThread( vlc_object_t *p_this )
 589 {
 590     event_thread_t *p_event = (event_thread_t *)p_this;
 591     int canc = vlc_savecancel ();
 592     msg_Dbg( p_event->p_vout, "RunQtThread starting" );
 593
 594 #ifdef NEED_QTE_MAIN
 595     if (qApp)
 596     {
 597         p_event->p_vout->p_sys->p_QApplication = qApp;
 598         p_event->p_vout->p_sys->bOwnsQApp = FALSE;
 599         p_event->p_vout->p_sys->p_VideoWidget = qApp->mainWidget();
 600         msg_Dbg( p_event->p_vout, "RunQtThread applicaton attached" );
 601     }
 602 #else
 603     if (qApp==NULL)
 604     {
 605         int argc = 0;
 606         QApplication* pApp = new QApplication(argc, NULL);
 607         if(pApp)
 608         {
 609             p_event->p_vout->p_sys->p_QApplication = pApp;
 610             p_event->p_vout->p_sys->bOwnsQApp = TRUE;
 611         }
 612         QWidget* pWidget = new QWidget();
 613         if (pWidget)
 614             {
 615             p_event->p_vout->p_sys->p_VideoWidget = pWidget;
 616         }
 617     }
 618 #endif
 619     /* signal the creation of the window */
 620     vlc_thread_ready( p_event );
 621     msg_Dbg( p_event->p_vout, "RunQtThread ready" );
 622
 623     if (p_event->p_vout->p_sys->p_QApplication)
 624     {
 625         /* Set default window width and heigh to exactly preferred size. */
 626             QWidget *desktop = p_event->p_vout->p_sys->p_QApplication->desktop();
 627             p_event->p_vout->p_sys->p_VideoWidget->setMinimumWidth( 10 );
 628              p_event->p_vout->p_sys->p_VideoWidget->setMinimumHeight( 10 );
 629             p_event->p_vout->p_sys->p_VideoWidget->setBaseSize( p_event->p_vout->p_sys->i_width,
 630             p_event->p_vout->p_sys->i_height );
 631         p_event->p_vout->p_sys->p_VideoWidget->setMaximumWidth( desktop->width() );
 632         p_event->p_vout->p_sys->p_VideoWidget->setMaximumHeight( desktop->height() );
 633         /* Check on fullscreen */
 634         if (p_event->p_vout->b_fullscreen)
 635                   p_event->p_vout->p_sys->p_VideoWidget->showFullScreen();
 636         else
 637                 p_event->p_vout->p_sys->p_VideoWidget->showNormal();
 638
 639         p_event->p_vout->p_sys->p_VideoWidget->show();
 640         p_event->p_vout->p_sys->bRunning = TRUE;
 641
 642 #ifdef NEED_QTE_MAIN
 643         while(vlc_object_alive (p_event) && p_event->p_vout->p_sys->bRunning)
 644               {
 645                /* Check if we are asked to exit */
 646            if( !vlc_object_alive (p_event) )
 647                break;
 648
 649                msleep(100);
 650             }
 651 #else
 652         // run the main loop of qtapplication until someone says: 'quit'
 653         p_event->p_vout->p_sys->pcQApplication->exec();
 654 #endif
 655     }
 656
 657 #ifndef NEED_QTE_MAIN
 658     if(p_event->p_vout->p_sys->p_QApplication)
 659     {
 660         delete p_event->p_vout->p_sys->p_VideoWidget;
 661         p_event->p_vout->p_sys->p_VideoWidget = NULL;
 662         delete p_event->p_vout->p_sys->p_QApplication;
 663         p_event->p_vout->p_sys->p_QApplication = NULL;
 664     }
 665 #else
 666     p_event->p_vout->p_sys->p_VideoWidget = NULL;
 667 #endif
 668
 669     msg_Dbg( p_event->p_vout, "RunQtThread terminating" );
 670     vlc_restorecancel (canc);
 671     return NULL;
 672 }
 673