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     if( p_vout->p_sys )
 201     {
 202         free( p_vout->p_sys );
 203         p_vout->p_sys = NULL;
 204     }
 205 }
 206
 207 /*****************************************************************************
 208  * Init: initialize video thread output method
 209  *****************************************************************************
 210  * This function create the buffers needed by the output thread. It is called
 211  * at the beginning of the thread, but also each time the window is resized.
 212  *****************************************************************************/
 213 static int Init( vout_thread_t *p_vout )
 214 {
 215     int         i_index;
 216     picture_t*  p_pic;
 217     int         dd = QPixmap::defaultDepth();
 218
 219     I_OUTPUTPICTURES = 0;
 220
 221     p_vout->output.i_chroma = (dd == 16) ? VLC_FOURCC('R','V','1','6'): VLC_FOURCC('R','V','3','2');
 222     p_vout->output.i_rmask  = 0xf800;
 223     p_vout->output.i_gmask  = 0x07e0;
 224     p_vout->output.i_bmask  = 0x001f;
 225
 226     /* All we have is an RGB image with square pixels */
 227     p_vout->output.i_width  = p_vout->p_sys->i_width;
 228     p_vout->output.i_height = p_vout->p_sys->i_height;
 229     if( !p_vout->b_fullscreen )
 230     {
 231         p_vout->output.i_aspect = p_vout->output.i_width
 232                                    * VOUT_ASPECT_FACTOR
 233                                    / p_vout->output.i_height;
 234     }
 235     else
 236     {
 237         p_vout->output.i_aspect = p_vout->render.i_aspect;
 238     }
 239 #if 0
 240     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 );
 241 #endif
 242     /* Try to initialize MAX_DIRECTBUFFERS direct buffers */
 243     while( I_OUTPUTPICTURES < QTE_MAX_DIRECTBUFFERS )
 244     {
 245         p_pic = NULL;
 246
 247         /* Find an empty picture slot */
 248         for( i_index = 0 ; i_index < VOUT_MAX_PICTURES ; i_index++ )
 249         {
 250             if( p_vout->p_picture[ i_index ].i_status == FREE_PICTURE )
 251             {
 252                 p_pic = p_vout->p_picture + i_index;
 253                 break;
 254             }
 255         }
 256
 257         /* Allocate the picture */
 258         if( p_pic == NULL ||  NewPicture( p_vout, p_pic ) )
 259         {
 260             break;
 261         }
 262
 263         p_pic->i_status = DESTROYED_PICTURE;
 264         p_pic->i_type   = DIRECT_PICTURE;
 265
 266         PP_OUTPUTPICTURE[ I_OUTPUTPICTURES ] = p_pic;
 267
 268         I_OUTPUTPICTURES++;
 269     }
 270
 271     return( 0 );
 272 }
 273
 274
 275 /*****************************************************************************
 276  * Render: render previously calculated output
 277  *****************************************************************************/
 278 static void Render( vout_thread_t *p_vout, picture_t *p_pic )
 279 {
 280     ;
 281 }
 282
 283 /*****************************************************************************
 284  * Display: displays previously rendered output
 285  *****************************************************************************
 286  * This function sends the currently rendered image to screen.
 287  *****************************************************************************/
 288 static void Display( vout_thread_t *p_vout, picture_t *p_pic )
 289 {
 290     unsigned int x, y, w, h;
 291
 292     vout_PlacePicture( p_vout, p_vout->output.i_width, p_vout->output.i_height,
 293                        &x, &y, &w, &h );
 294 #if 0
 295     msg_Dbg(p_vout, "+qte::Display( p_vout, i_width=%d, i_height=%d, x=%u, y=%u, w=%u, h=%u",
 296         p_vout->output.i_width, p_vout->output.i_height, x, y, w, h );
 297 #endif
 298
 299     if(p_vout->p_sys->p_VideoWidget)
 300     {
 301 // shameless borrowed from opie mediaplayer....
 302 #ifndef USE_DIRECT_PAINTER
 303         msg_Dbg(p_vout, "not using direct painter");
 304         QPainter p(p_vout->p_sys->p_VideoWidget);
 305
 306         /* rotate frame */
 307         int dd      = QPixmap::defaultDepth();
 308         int bytes   = ( dd == 16 ) ? 2 : 4;
 309         int rw = h, rh = w;
 310
 311         QImage rotatedFrame( rw, rh, bytes << 3 );
 312
 313         ushort* in  = (ushort*)p_pic->p_sys->pQImage->bits();
 314         ushort* out = (ushort*)rotatedFrame.bits();
 315
 316         int spl = rotatedFrame.bytesPerLine() / bytes;
 317         for (int x=0; x<h; x++)
 318         {
 319             if ( bytes == 2 )
 320             {
 321                 ushort* lout = out++ + (w - 1)*spl;
 322                 for (int y=0; y<w; y++)
 323                 {
 324                     *lout=*in++;
 325                     lout-=spl;
 326                 }
 327             }
 328             else
 329             {
 330                 ulong* lout = ((ulong *)out)++ + (w - 1)*spl;
 331                 for (int y=0; y<w; y++)
 332                 {
 333                     *lout=*((ulong*)in)++;
 334                     lout-=spl;
 335                 }
 336             }
 337         }
 338
 339         p.drawImage( x, y, rotatedFrame, 0, 0, rw, rh );
 340 #else
 341         QDirectPainter p(p_vout->p_sys->p_VideoWidget);
 342         p.transformOrientation();
 343         // just copy the image to the frame buffer...
 344         memcpy(p.frameBuffer(), (p_pic->p_sys->pQImage->jumpTable())[0], h * p.lineStep());
 345 #endif
 346     }
 347 }
 348
 349 /*****************************************************************************
 350  * Manage: handle Qte events
 351  *****************************************************************************
 352  * This function should be called regularly by video output thread. It manages
 353  * Qte events and allows window resizing. It returns a non null value on
 354  * error.
 355  *****************************************************************************/
 356 static int Manage( vout_thread_t *p_vout )
 357 {
 358 //    msg_Dbg( p_vout, "Manage" );
 359
 360     /* Fullscreen change */
 361     if( p_vout->i_changes & VOUT_FULLSCREEN_CHANGE )
 362     {
 363         p_vout->b_fullscreen = ! p_vout->b_fullscreen;
 364
 365 //        p_vout->p_sys->b_cursor_autohidden = 0;
 366 //        SDL_ShowCursor( p_vout->p_sys->b_cursor &&
 367 //                        ! p_vout->p_sys->b_cursor_autohidden );
 368
 369         p_vout->i_changes &= ~VOUT_FULLSCREEN_CHANGE;
 370         p_vout->i_changes |= VOUT_SIZE_CHANGE;
 371     }
 372
 373     /*
 374      * Size change
 375      */
 376     if( p_vout->i_changes & VOUT_SIZE_CHANGE )
 377     {
 378         msg_Dbg( p_vout, "video display resized (%dx%d)",
 379                  p_vout->p_sys->i_width, p_vout->p_sys->i_height );
 380
 381         CloseDisplay( p_vout );
 382         OpenDisplay( p_vout );
 383
 384         /* We don't need to signal the vout thread about the size change if
 385          * we can handle rescaling ourselves */
 386         p_vout->i_changes &= ~VOUT_SIZE_CHANGE;
 387     }
 388
 389     /* Pointer change */
 390 //    if( ! p_vout->p_sys->b_cursor_autohidden &&
 391 //        ( mdate() - p_vout->p_sys->i_lastmoved >
 392 //            p_vout->p_sys->i_mouse_hide_timeout ) )
 393 //    {
 394 //        /* Hide the mouse automatically */
 395 //        p_vout->p_sys->b_cursor_autohidden = 1;
 396 //        SDL_ShowCursor( 0 );
 397 //    }
 398 //
 399 //    if( !vlc_object_alive (p_vout->p_libvlc) )
 400 //        p_vout->p_sys->bRunning = FALSE;
 401
 402     return 0;
 403 }
 404
 405 /*****************************************************************************
 406  * End: terminate video thread output method
 407  *****************************************************************************
 408  * Destroy the buffers created by vout_Init. It is called at the end of
 409  * the thread, but also each time the window is resized.
 410  *****************************************************************************/
 411 static void End( vout_thread_t *p_vout )
 412 {
 413     int i_index;
 414
 415     /* Free the direct buffers we allocated */
 416     for( i_index = I_OUTPUTPICTURES ; i_index ; )
 417     {
 418         i_index--;
 419         FreePicture( p_vout, PP_OUTPUTPICTURE[ i_index ] );
 420     }
 421 }
 422
 423
 424 /*****************************************************************************
 425  * NewPicture: allocate a picture
 426  *****************************************************************************
 427  * Returns 0 on success, -1 otherwise
 428  *****************************************************************************/
 429 static int NewPicture( vout_thread_t *p_vout, picture_t *p_pic )
 430 {
 431     int dd = QPixmap::defaultDepth();
 432
 433     p_pic->p_sys = (picture_sys_t*) malloc( sizeof( picture_sys_t ) );
 434     if( p_pic->p_sys == NULL )
 435     {
 436         return -1;
 437     }
 438
 439     /* Create the display */
 440     p_pic->p_sys->pQImage = new QImage(p_vout->output.i_width,
 441                                        p_vout->output.i_height, dd );
 442
 443     if(p_pic->p_sys->pQImage == NULL)
 444     {
 445         return -1;
 446     }
 447
 448     switch( dd )
 449     {
 450         case 8:
 451             p_pic->p->i_pixel_pitch = 1;
 452             break;
 453         case 15:
 454         case 16:
 455             p_pic->p->i_pixel_pitch = 2;
 456             break;
 457         case 24:
 458         case 32:
 459             p_pic->p->i_pixel_pitch = 4;
 460             break;
 461         default:
 462             return( -1 );
 463     }
 464
 465     p_pic->p->p_pixels = (p_pic->p_sys->pQImage->jumpTable())[0];
 466     p_pic->p->i_pitch = p_pic->p_sys->pQImage->bytesPerLine();
 467     p_pic->p->i_lines = p_vout->output.i_height;
 468     p_pic->p->i_visible_lines = p_vout->output.i_height;
 469     p_pic->p->i_visible_pitch =
 470             p_pic->p->i_pixel_pitch * p_vout->output.i_width;
 471
 472     p_pic->i_planes = 1;
 473
 474     return 0;
 475 }
 476
 477 /*****************************************************************************
 478  * FreePicture: destroy a picture allocated with NewPicture
 479  *****************************************************************************/
 480 static void FreePicture( vout_thread_t *p_vout, picture_t *p_pic )
 481 {
 482     delete p_pic->p_sys->pQImage;
 483 }
 484
 485 /*****************************************************************************
 486  * ToggleFullScreen: Enable or disable full screen mode
 487  *****************************************************************************
 488  * This function will switch between fullscreen and window mode.
 489  *
 490  *****************************************************************************/
 491 static void ToggleFullScreen ( vout_thread_t *p_vout )
 492 {
 493     if ( p_vout->b_fullscreen )
 494        p_vout->p_sys->p_VideoWidget->showFullScreen();
 495     else
 496        p_vout->p_sys->p_VideoWidget->showNormal();
 497
 498     p_vout->b_fullscreen = !p_vout->b_fullscreen;
 499 }
 500
 501 /*****************************************************************************
 502  * OpenDisplay: create qte applicaton / window
 503  *****************************************************************************
 504  * Create a window according to video output given size, and set other
 505  * properties according to the display properties.
 506  *****************************************************************************/
 507 static int OpenDisplay( vout_thread_t *p_vout )
 508 {
 509     /* for displaying the vout in a qt window we need the QtApplication */
 510     p_vout->p_sys->p_QApplication = NULL;
 511     p_vout->p_sys->p_VideoWidget = NULL;
 512
 513     p_vout->p_sys->p_event = (event_thread_t*) vlc_object_create( p_vout, sizeof(event_thread_t) );
 514     p_vout->p_sys->p_event->p_vout = p_vout;
 515
 516     /* Initializations */
 517 #if 1 /* FIXME: I need an event queue to handle video output size changes. */
 518     p_vout->b_fullscreen = true;
 519 #endif
 520
 521     /* Set main window's size */
 522     QWidget *desktop = p_vout->p_sys->p_QApplication->desktop();
 523     p_vout->p_sys->i_width = p_vout->b_fullscreen ? desktop->height() :
 524                                                     p_vout->i_window_width;
 525     p_vout->p_sys->i_height = p_vout->b_fullscreen ? desktop->width() :
 526                                                      p_vout->i_window_height;
 527
 528 #if 0 /* FIXME: I need an event queue to handle video output size changes. */
 529     /* Update dimensions */
 530     p_vout->i_changes |= VOUT_SIZE_CHANGE;
 531     p_vout->i_window_width = p_vout->p_sys->i_width;
 532     p_vout->i_window_height = p_vout->p_sys->i_height;
 533 #endif
 534
 535     msg_Dbg( p_vout, "opening display (h=%d,w=%d)",p_vout->p_sys->i_height,p_vout->p_sys->i_width);
 536
 537     /* create thread to exec the qpe application */
 538     if ( vlc_thread_create( p_vout->p_sys->p_event, "QT Embedded Thread",
 539                             RunQtThread,
 540                             VLC_THREAD_PRIORITY_OUTPUT, true) )
 541     {
 542         msg_Err( p_vout, "cannot create QT Embedded Thread" );
 543         vlc_object_release( p_vout->p_sys->p_event );
 544         p_vout->p_sys->p_event = NULL;
 545         return -1;
 546     }
 547
 548     if( p_vout->p_sys->p_event->b_error )
 549     {
 550         msg_Err( p_vout, "RunQtThread failed" );
 551         return -1;
 552     }
 553
 554     vlc_object_attach( p_vout->p_sys->p_event, p_vout );
 555     msg_Dbg( p_vout, "RunQtThread running" );
 556
 557     // just wait until the crew is complete...
 558     while(p_vout->p_sys->p_VideoWidget == NULL)
 559     {
 560         msleep(1);
 561     }
 562     return VLC_SUCCESS;
 563 }
 564
 565
 566 /*****************************************************************************
 567  * CloseDisplay: destroy the window
 568  *****************************************************************************/
 569 static void CloseDisplay( vout_thread_t *p_vout )
 570 {
 571     // quit qt application loop
 572     msg_Dbg( p_vout, "destroying Qt Window" );
 573 #ifdef NEED_QTE_MAIN
 574     if(p_vout->p_sys->p_QApplication)
 575     {
 576         p_vout->p_sys->bRunning = FALSE;
 577         while(p_vout->p_sys->p_VideoWidget)
 578         {
 579             msleep(1);
 580         }
 581     }
 582 #else
 583     if (p_vout->p_sys->p_QApplication)
 584        p_vout->p_sys->p_QApplication->quit();
 585 #endif
 586 }
 587
 588 /*****************************************************************************
 589  * main loop of qtapplication
 590  *****************************************************************************/
 591 static void* RunQtThread( vlc_object_t *p_this )
 592 {
 593     event_thread_t *p_event = (event_thread_t *)p_this;
 594     int canc = vlc_savecancel ();
 595     msg_Dbg( p_event->p_vout, "RunQtThread starting" );
 596
 597 #ifdef NEED_QTE_MAIN
 598     if (qApp)
 599     {
 600         p_event->p_vout->p_sys->p_QApplication = qApp;
 601         p_event->p_vout->p_sys->bOwnsQApp = FALSE;
 602         p_event->p_vout->p_sys->p_VideoWidget = qApp->mainWidget();
 603         msg_Dbg( p_event->p_vout, "RunQtThread applicaton attached" );
 604     }
 605 #else
 606     if (qApp==NULL)
 607     {
 608         int argc = 0;
 609         QApplication* pApp = new QApplication(argc, NULL);
 610         if(pApp)
 611         {
 612             p_event->p_vout->p_sys->p_QApplication = pApp;
 613             p_event->p_vout->p_sys->bOwnsQApp = TRUE;
 614         }
 615         QWidget* pWidget = new QWidget();
 616         if (pWidget)
 617             {
 618             p_event->p_vout->p_sys->p_VideoWidget = pWidget;
 619         }
 620     }
 621 #endif
 622     /* signal the creation of the window */
 623     vlc_thread_ready( p_event );
 624     msg_Dbg( p_event->p_vout, "RunQtThread ready" );
 625
 626     if (p_event->p_vout->p_sys->p_QApplication)
 627     {
 628         /* Set default window width and heigh to exactly preferred size. */
 629             QWidget *desktop = p_event->p_vout->p_sys->p_QApplication->desktop();
 630             p_event->p_vout->p_sys->p_VideoWidget->setMinimumWidth( 10 );
 631              p_event->p_vout->p_sys->p_VideoWidget->setMinimumHeight( 10 );
 632             p_event->p_vout->p_sys->p_VideoWidget->setBaseSize( p_event->p_vout->p_sys->i_width,
 633             p_event->p_vout->p_sys->i_height );
 634         p_event->p_vout->p_sys->p_VideoWidget->setMaximumWidth( desktop->width() );
 635         p_event->p_vout->p_sys->p_VideoWidget->setMaximumHeight( desktop->height() );
 636         /* Check on fullscreen */
 637         if (p_event->p_vout->b_fullscreen)
 638                   p_event->p_vout->p_sys->p_VideoWidget->showFullScreen();
 639         else
 640                 p_event->p_vout->p_sys->p_VideoWidget->showNormal();
 641
 642         p_event->p_vout->p_sys->p_VideoWidget->show();
 643         p_event->p_vout->p_sys->bRunning = TRUE;
 644
 645 #ifdef NEED_QTE_MAIN
 646         while(vlc_object_alive (p_event) && p_event->p_vout->p_sys->bRunning)
 647               {
 648                /* Check if we are asked to exit */
 649            if( !vlc_object_alive (p_event) )
 650                break;
 651
 652                msleep(100);
 653             }
 654 #else
 655         // run the main loop of qtapplication until someone says: 'quit'
 656         p_event->p_vout->p_sys->pcQApplication->exec();
 657 #endif
 658     }
 659
 660 #ifndef NEED_QTE_MAIN
 661     if(p_event->p_vout->p_sys->p_QApplication)
 662     {
 663         delete p_event->p_vout->p_sys->p_VideoWidget;
 664         p_event->p_vout->p_sys->p_VideoWidget = NULL;
 665         delete p_event->p_vout->p_sys->p_QApplication;
 666         p_event->p_vout->p_sys->p_QApplication = NULL;
 667     }
 668 #else
 669     p_event->p_vout->p_sys->p_VideoWidget = NULL;
 670 #endif
 671
 672     msg_Dbg( p_event->p_vout, "RunQtThread terminating" );
 673     vlc_restorecancel (canc);
 674     return NULL;
 675 }
 676