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/vlc.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( event_thread_t *p_event );
 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     {
 147         msg_Err( p_vout, "out of memory" );
 148         return( 1 );
 149     }
 150
 151     p_vout->pf_init    = Init;
 152     p_vout->pf_end     = End;
 153     p_vout->pf_manage  = Manage;
 154     p_vout->pf_render  = NULL; //Render;
 155     p_vout->pf_display = Display;
 156
 157 #ifdef NEED_QTE_MAIN
 158     p_vout->p_sys->p_qte_main =
 159         module_Need( p_this, "gui-helper", "qte", true );
 160     if( p_vout->p_sys->p_qte_main == NULL )
 161     {
 162         free( p_vout->p_sys );
 163         return VLC_ENOMOD;
 164     }
 165 #endif
 166
 167     if (OpenDisplay(p_vout))
 168     {
 169         msg_Err( p_vout, "Cannot set up qte video output" );
 170         Close(p_this);
 171         return( -1 );
 172     }
 173     return( 0 );
 174 }
 175
 176 /*****************************************************************************
 177  * CloseVideo: destroy Sys video thread output method
 178  *****************************************************************************
 179  * Terminate an output method created by Open
 180  *****************************************************************************/
 181 static void Close ( vlc_object_t *p_this )
 182 {
 183     vout_thread_t * p_vout = (vout_thread_t *)p_this;
 184
 185     msg_Dbg( p_vout, "close" );
 186     if( p_vout->p_sys->p_event )
 187     {
 188         vlc_object_detach( p_vout->p_sys->p_event );
 189
 190         /* Kill RunQtThread */
 191         vlc_object_kill( p_vout->p_sys->p_event );
 192         CloseDisplay(p_vout);
 193
 194         vlc_thread_join( p_vout->p_sys->p_event );
 195         vlc_object_release( p_vout->p_sys->p_event );
 196     }
 197
 198 #ifdef NEED_QTE_MAIN
 199     msg_Dbg( p_vout, "releasing gui-helper" );
 200     module_Unneed( p_vout, p_vout->p_sys->p_qte_main );
 201 #endif
 202
 203     if( p_vout->p_sys )
 204     {
 205         free( p_vout->p_sys );
 206         p_vout->p_sys = NULL;
 207     }
 208 }
 209
 210 /*****************************************************************************
 211  * Init: initialize video thread output method
 212  *****************************************************************************
 213  * This function create the buffers needed by the output thread. It is called
 214  * at the beginning of the thread, but also each time the window is resized.
 215  *****************************************************************************/
 216 static int Init( vout_thread_t *p_vout )
 217 {
 218     int         i_index;
 219     picture_t*  p_pic;
 220     int         dd = QPixmap::defaultDepth();
 221
 222     I_OUTPUTPICTURES = 0;
 223
 224     p_vout->output.i_chroma = (dd == 16) ? VLC_FOURCC('R','V','1','6'): VLC_FOURCC('R','V','3','2');
 225     p_vout->output.i_rmask  = 0xf800;
 226     p_vout->output.i_gmask  = 0x07e0;
 227     p_vout->output.i_bmask  = 0x001f;
 228
 229     /* All we have is an RGB image with square pixels */
 230     p_vout->output.i_width  = p_vout->p_sys->i_width;
 231     p_vout->output.i_height = p_vout->p_sys->i_height;
 232     if( !p_vout->b_fullscreen )
 233     {
 234         p_vout->output.i_aspect = p_vout->output.i_width
 235                                    * VOUT_ASPECT_FACTOR
 236                                    / p_vout->output.i_height;
 237     }
 238     else
 239     {
 240         p_vout->output.i_aspect = p_vout->render.i_aspect;
 241     }
 242 #if 0
 243     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 );
 244 #endif
 245     /* Try to initialize MAX_DIRECTBUFFERS direct buffers */
 246     while( I_OUTPUTPICTURES < QTE_MAX_DIRECTBUFFERS )
 247     {
 248         p_pic = NULL;
 249
 250         /* Find an empty picture slot */
 251         for( i_index = 0 ; i_index < VOUT_MAX_PICTURES ; i_index++ )
 252         {
 253             if( p_vout->p_picture[ i_index ].i_status == FREE_PICTURE )
 254             {
 255                 p_pic = p_vout->p_picture + i_index;
 256                 break;
 257             }
 258         }
 259
 260         /* Allocate the picture */
 261         if( p_pic == NULL ||  NewPicture( p_vout, p_pic ) )
 262         {
 263             break;
 264         }
 265
 266         p_pic->i_status = DESTROYED_PICTURE;
 267         p_pic->i_type   = DIRECT_PICTURE;
 268
 269         PP_OUTPUTPICTURE[ I_OUTPUTPICTURES ] = p_pic;
 270
 271         I_OUTPUTPICTURES++;
 272     }
 273
 274     return( 0 );
 275 }
 276
 277
 278 /*****************************************************************************
 279  * Render: render previously calculated output
 280  *****************************************************************************/
 281 static void Render( vout_thread_t *p_vout, picture_t *p_pic )
 282 {
 283     ;
 284 }
 285
 286 /*****************************************************************************
 287  * Display: displays previously rendered output
 288  *****************************************************************************
 289  * This function sends the currently rendered image to screen.
 290  *****************************************************************************/
 291 static void Display( vout_thread_t *p_vout, picture_t *p_pic )
 292 {
 293     unsigned int x, y, w, h;
 294
 295     vout_PlacePicture( p_vout, p_vout->output.i_width, p_vout->output.i_height,
 296                        &x, &y, &w, &h );
 297 #if 0
 298     msg_Dbg(p_vout, "+qte::Display( p_vout, i_width=%d, i_height=%d, x=%u, y=%u, w=%u, h=%u",
 299         p_vout->output.i_width, p_vout->output.i_height, x, y, w, h );
 300 #endif
 301
 302     if(p_vout->p_sys->p_VideoWidget)
 303     {
 304 // shameless borrowed from opie mediaplayer....
 305 #ifndef USE_DIRECT_PAINTER
 306         msg_Dbg(p_vout, "not using direct painter");
 307         QPainter p(p_vout->p_sys->p_VideoWidget);
 308
 309         /* rotate frame */
 310         int dd      = QPixmap::defaultDepth();
 311         int bytes   = ( dd == 16 ) ? 2 : 4;
 312         int rw = h, rh = w;
 313
 314         QImage rotatedFrame( rw, rh, bytes << 3 );
 315
 316         ushort* in  = (ushort*)p_pic->p_sys->pQImage->bits();
 317         ushort* out = (ushort*)rotatedFrame.bits();
 318
 319         int spl = rotatedFrame.bytesPerLine() / bytes;
 320         for (int x=0; x<h; x++)
 321         {
 322             if ( bytes == 2 )
 323             {
 324                 ushort* lout = out++ + (w - 1)*spl;
 325                 for (int y=0; y<w; y++)
 326                 {
 327                     *lout=*in++;
 328                     lout-=spl;
 329                 }
 330             }
 331             else
 332             {
 333                 ulong* lout = ((ulong *)out)++ + (w - 1)*spl;
 334                 for (int y=0; y<w; y++)
 335                 {
 336                     *lout=*((ulong*)in)++;
 337                     lout-=spl;
 338                 }
 339             }
 340         }
 341
 342         p.drawImage( x, y, rotatedFrame, 0, 0, rw, rh );
 343 #else
 344         QDirectPainter p(p_vout->p_sys->p_VideoWidget);
 345         p.transformOrientation();
 346         // just copy the image to the frame buffer...
 347         memcpy(p.frameBuffer(), (p_pic->p_sys->pQImage->jumpTable())[0], h * p.lineStep());
 348 #endif
 349     }
 350 }
 351
 352 /*****************************************************************************
 353  * Manage: handle Qte events
 354  *****************************************************************************
 355  * This function should be called regularly by video output thread. It manages
 356  * Qte events and allows window resizing. It returns a non null value on
 357  * error.
 358  *****************************************************************************/
 359 static int Manage( vout_thread_t *p_vout )
 360 {
 361 //    msg_Dbg( p_vout, "Manage" );
 362
 363     /* Fullscreen change */
 364     if( p_vout->i_changes & VOUT_FULLSCREEN_CHANGE )
 365     {
 366         p_vout->b_fullscreen = ! p_vout->b_fullscreen;
 367
 368 //        p_vout->p_sys->b_cursor_autohidden = 0;
 369 //        SDL_ShowCursor( p_vout->p_sys->b_cursor &&
 370 //                        ! p_vout->p_sys->b_cursor_autohidden );
 371
 372         p_vout->i_changes &= ~VOUT_FULLSCREEN_CHANGE;
 373         p_vout->i_changes |= VOUT_SIZE_CHANGE;
 374     }
 375
 376     /*
 377      * Size change
 378      */
 379     if( p_vout->i_changes & VOUT_SIZE_CHANGE )
 380     {
 381         msg_Dbg( p_vout, "video display resized (%dx%d)",
 382                  p_vout->p_sys->i_width, p_vout->p_sys->i_height );
 383
 384         CloseDisplay( p_vout );
 385         OpenDisplay( p_vout );
 386
 387         /* We don't need to signal the vout thread about the size change if
 388          * we can handle rescaling ourselves */
 389         p_vout->i_changes &= ~VOUT_SIZE_CHANGE;
 390     }
 391
 392     /* Pointer change */
 393 //    if( ! p_vout->p_sys->b_cursor_autohidden &&
 394 //        ( mdate() - p_vout->p_sys->i_lastmoved >
 395 //            p_vout->p_sys->i_mouse_hide_timeout ) )
 396 //    {
 397 //        /* Hide the mouse automatically */
 398 //        p_vout->p_sys->b_cursor_autohidden = 1;
 399 //        SDL_ShowCursor( 0 );
 400 //    }
 401 //
 402 //    if( p_vout->p_libvlc->b_die )
 403 //        p_vout->p_sys->bRunning = FALSE;
 404
 405     return 0;
 406 }
 407
 408 /*****************************************************************************
 409  * End: terminate video thread output method
 410  *****************************************************************************
 411  * Destroy the buffers created by vout_Init. It is called at the end of
 412  * the thread, but also each time the window is resized.
 413  *****************************************************************************/
 414 static void End( vout_thread_t *p_vout )
 415 {
 416     int i_index;
 417
 418     /* Free the direct buffers we allocated */
 419     for( i_index = I_OUTPUTPICTURES ; i_index ; )
 420     {
 421         i_index--;
 422         FreePicture( p_vout, PP_OUTPUTPICTURE[ i_index ] );
 423     }
 424 }
 425
 426
 427 /*****************************************************************************
 428  * NewPicture: allocate a picture
 429  *****************************************************************************
 430  * Returns 0 on success, -1 otherwise
 431  *****************************************************************************/
 432 static int NewPicture( vout_thread_t *p_vout, picture_t *p_pic )
 433 {
 434     int dd = QPixmap::defaultDepth();
 435
 436     p_pic->p_sys = (picture_sys_t*) malloc( sizeof( picture_sys_t ) );
 437     if( p_pic->p_sys == NULL )
 438     {
 439         return -1;
 440     }
 441
 442     /* Create the display */
 443     p_pic->p_sys->pQImage = new QImage(p_vout->output.i_width,
 444                                        p_vout->output.i_height, dd );
 445
 446     if(p_pic->p_sys->pQImage == NULL)
 447     {
 448         return -1;
 449     }
 450
 451     switch( dd )
 452     {
 453         case 8:
 454             p_pic->p->i_pixel_pitch = 1;
 455             break;
 456         case 15:
 457         case 16:
 458             p_pic->p->i_pixel_pitch = 2;
 459             break;
 460         case 24:
 461         case 32:
 462             p_pic->p->i_pixel_pitch = 4;
 463             break;
 464         default:
 465             return( -1 );
 466     }
 467
 468     p_pic->p->p_pixels = (p_pic->p_sys->pQImage->jumpTable())[0];
 469     p_pic->p->i_pitch = p_pic->p_sys->pQImage->bytesPerLine();
 470     p_pic->p->i_lines = p_vout->output.i_height;
 471     p_pic->p->i_visible_lines = p_vout->output.i_height;
 472     p_pic->p->i_visible_pitch =
 473             p_pic->p->i_pixel_pitch * p_vout->output.i_width;
 474
 475     p_pic->i_planes = 1;
 476
 477     return 0;
 478 }
 479
 480 /*****************************************************************************
 481  * FreePicture: destroy a picture allocated with NewPicture
 482  *****************************************************************************/
 483 static void FreePicture( vout_thread_t *p_vout, picture_t *p_pic )
 484 {
 485     delete p_pic->p_sys->pQImage;
 486 }
 487
 488 /*****************************************************************************
 489  * ToggleFullScreen: Enable or disable full screen mode
 490  *****************************************************************************
 491  * This function will switch between fullscreen and window mode.
 492  *
 493  *****************************************************************************/
 494 static void ToggleFullScreen ( vout_thread_t *p_vout )
 495 {
 496     if ( p_vout->b_fullscreen )
 497        p_vout->p_sys->p_VideoWidget->showFullScreen();
 498     else
 499        p_vout->p_sys->p_VideoWidget->showNormal();
 500
 501     p_vout->b_fullscreen = !p_vout->b_fullscreen;
 502 }
 503
 504 /*****************************************************************************
 505  * OpenDisplay: create qte applicaton / window
 506  *****************************************************************************
 507  * Create a window according to video output given size, and set other
 508  * properties according to the display properties.
 509  *****************************************************************************/
 510 static int OpenDisplay( vout_thread_t *p_vout )
 511 {
 512     /* for displaying the vout in a qt window we need the QtApplication */
 513     p_vout->p_sys->p_QApplication = NULL;
 514     p_vout->p_sys->p_VideoWidget = NULL;
 515
 516     p_vout->p_sys->p_event = (event_thread_t*) vlc_object_create( p_vout, sizeof(event_thread_t) );
 517     p_vout->p_sys->p_event->p_vout = p_vout;
 518
 519     /* Initializations */
 520 #if 1 /* FIXME: I need an event queue to handle video output size changes. */
 521     p_vout->b_fullscreen = true;
 522 #endif
 523
 524     /* Set main window's size */
 525     QWidget *desktop = p_vout->p_sys->p_QApplication->desktop();
 526     p_vout->p_sys->i_width = p_vout->b_fullscreen ? desktop->height() :
 527                                                     p_vout->i_window_width;
 528     p_vout->p_sys->i_height = p_vout->b_fullscreen ? desktop->width() :
 529                                                      p_vout->i_window_height;
 530
 531 #if 0 /* FIXME: I need an event queue to handle video output size changes. */
 532     /* Update dimensions */
 533     p_vout->i_changes |= VOUT_SIZE_CHANGE;
 534     p_vout->i_window_width = p_vout->p_sys->i_width;
 535     p_vout->i_window_height = p_vout->p_sys->i_height;
 536 #endif
 537
 538     msg_Dbg( p_vout, "opening display (h=%d,w=%d)",p_vout->p_sys->i_height,p_vout->p_sys->i_width);
 539
 540     /* create thread to exec the qpe application */
 541     if ( vlc_thread_create( p_vout->p_sys->p_event, "QT Embedded Thread",
 542                             RunQtThread,
 543                             VLC_THREAD_PRIORITY_OUTPUT, true) )
 544     {
 545         msg_Err( p_vout, "cannot create QT Embedded Thread" );
 546         vlc_object_release( p_vout->p_sys->p_event );
 547         p_vout->p_sys->p_event = NULL;
 548         return -1;
 549     }
 550
 551     if( p_vout->p_sys->p_event->b_error )
 552     {
 553         msg_Err( p_vout, "RunQtThread failed" );
 554         return -1;
 555     }
 556
 557     vlc_object_attach( p_vout->p_sys->p_event, p_vout );
 558     msg_Dbg( p_vout, "RunQtThread running" );
 559
 560     // just wait until the crew is complete...
 561     while(p_vout->p_sys->p_VideoWidget == NULL)
 562     {
 563         msleep(1);
 564     }
 565     return VLC_SUCCESS;
 566 }
 567
 568
 569 /*****************************************************************************
 570  * CloseDisplay: destroy the window
 571  *****************************************************************************/
 572 static void CloseDisplay( vout_thread_t *p_vout )
 573 {
 574     // quit qt application loop
 575     msg_Dbg( p_vout, "destroying Qt Window" );
 576 #ifdef NEED_QTE_MAIN
 577     if(p_vout->p_sys->p_QApplication)
 578     {
 579         p_vout->p_sys->bRunning = FALSE;
 580         while(p_vout->p_sys->p_VideoWidget)
 581         {
 582             msleep(1);
 583         }
 584     }
 585 #else
 586     if (p_vout->p_sys->p_QApplication)
 587        p_vout->p_sys->p_QApplication->quit();
 588 #endif
 589 }
 590
 591 /*****************************************************************************
 592  * main loop of qtapplication
 593  *****************************************************************************/
 594 static void RunQtThread(event_thread_t *p_event)
 595 {
 596     msg_Dbg( p_event->p_vout, "RunQtThread starting" );
 597
 598 #ifdef NEED_QTE_MAIN
 599     if (qApp)
 600     {
 601         p_event->p_vout->p_sys->p_QApplication = qApp;
 602         p_event->p_vout->p_sys->bOwnsQApp = FALSE;
 603         p_event->p_vout->p_sys->p_VideoWidget = qApp->mainWidget();
 604         msg_Dbg( p_event->p_vout, "RunQtThread applicaton attached" );
 605     }
 606 #else
 607     if (qApp==NULL)
 608     {
 609         int argc = 0;
 610         QApplication* pApp = new QApplication(argc, NULL);
 611         if(pApp)
 612         {
 613             p_event->p_vout->p_sys->p_QApplication = pApp;
 614             p_event->p_vout->p_sys->bOwnsQApp = TRUE;
 615         }
 616         QWidget* pWidget = new QWidget();
 617         if (pWidget)
 618             {
 619             p_event->p_vout->p_sys->p_VideoWidget = pWidget;
 620         }
 621     }
 622 #endif
 623     /* signal the creation of the window */
 624     vlc_thread_ready( p_event );
 625     msg_Dbg( p_event->p_vout, "RunQtThread ready" );
 626
 627     if (p_event->p_vout->p_sys->p_QApplication)
 628     {
 629         /* Set default window width and heigh to exactly preferred size. */
 630             QWidget *desktop = p_event->p_vout->p_sys->p_QApplication->desktop();
 631             p_event->p_vout->p_sys->p_VideoWidget->setMinimumWidth( 10 );
 632              p_event->p_vout->p_sys->p_VideoWidget->setMinimumHeight( 10 );
 633             p_event->p_vout->p_sys->p_VideoWidget->setBaseSize( p_event->p_vout->p_sys->i_width,
 634             p_event->p_vout->p_sys->i_height );
 635         p_event->p_vout->p_sys->p_VideoWidget->setMaximumWidth( desktop->width() );
 636         p_event->p_vout->p_sys->p_VideoWidget->setMaximumHeight( desktop->height() );
 637         /* Check on fullscreen */
 638         if (p_event->p_vout->b_fullscreen)
 639                   p_event->p_vout->p_sys->p_VideoWidget->showFullScreen();
 640         else
 641                 p_event->p_vout->p_sys->p_VideoWidget->showNormal();
 642
 643         p_event->p_vout->p_sys->p_VideoWidget->show();
 644         p_event->p_vout->p_sys->bRunning = TRUE;
 645
 646 #ifdef NEED_QTE_MAIN
 647         while(!p_event->b_die && p_event->p_vout->p_sys->bRunning)
 648               {
 649                /* Check if we are asked to exit */
 650            if( p_event->b_die )
 651                break;
 652
 653                msleep(100);
 654             }
 655 #else
 656         // run the main loop of qtapplication until someone says: 'quit'
 657         p_event->p_vout->p_sys->pcQApplication->exec();
 658 #endif
 659     }
 660
 661 #ifndef NEED_QTE_MAIN
 662     if(p_event->p_vout->p_sys->p_QApplication)
 663     {
 664         delete p_event->p_vout->p_sys->p_VideoWidget;
 665         p_event->p_vout->p_sys->p_VideoWidget = NULL;
 666         delete p_event->p_vout->p_sys->p_QApplication;
 667         p_event->p_vout->p_sys->p_QApplication = NULL;
 668     }
 669 #else
 670     p_event->p_vout->p_sys->p_VideoWidget = NULL;
 671 #endif
 672
 673     msg_Dbg( p_event->p_vout, "RunQtThread terminating" );
 674 }
 675