git.sesse.net Git - vlc/blob - modules/video_output/x11/xcommon.c

   1 /*****************************************************************************
   2  * xcommon.c: Functions common to the X11 and XVideo plugins
   3  *****************************************************************************
   4  * Copyright (C) 1998-2001 the VideoLAN team
   5  * $Id$
   6  *
   7  * Authors: Vincent Seguin <seguin@via.ecp.fr>
   8  *          Sam Hocevar <sam@zoy.org>
   9  *          David Kennedy <dkennedy@tinytoad.com>
  10  *          Gildas Bazin <gbazin@videolan.org>
  11  *
  12  * This program is free software; you can redistribute it and/or modify
  13  * it under the terms of the GNU General Public License as published by
  14  * the Free Software Foundation; either version 2 of the License, or
  15  * (at your option) any later version.
  16  *
  17  * This program is distributed in the hope that it will be useful,
  18  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  19  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  20  * GNU General Public License for more details.
  21  *
  22  * You should have received a copy of the GNU General Public License
  23  * along with this program; if not, write to the Free Software
  24  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111, USA.
  25  *****************************************************************************/
  26
  27 /*****************************************************************************
  28  * Preamble
  29  *****************************************************************************/
  30 #include <errno.h>                                                 /* ENOMEM */
  31 #include <stdlib.h>                                                /* free() */
  32 #include <string.h>                                            /* strerror() */
  33
  34 #include <vlc/vlc.h>
  35 #include <vlc/intf.h>
  36 #include <vlc/vout.h>
  37 #include <vlc_keys.h>
  38
  39 #ifdef HAVE_MACHINE_PARAM_H
  40     /* BSD */
  41 #   include <machine/param.h>
  42 #   include <sys/types.h>                                  /* typedef ushort */
  43 #   include <sys/ipc.h>
  44 #endif
  45
  46 #ifndef WIN32
  47 #   include <netinet/in.h>                            /* BSD: struct in_addr */
  48 #endif
  49
  50 #ifdef HAVE_SYS_SHM_H
  51 #   include <sys/shm.h>                                /* shmget(), shmctl() */
  52 #endif
  53
  54 #include <X11/Xlib.h>
  55 #include <X11/Xproto.h>
  56 #include <X11/Xmd.h>
  57 #include <X11/Xutil.h>
  58 #include <X11/keysym.h>
  59 #ifdef HAVE_SYS_SHM_H
  60 #   include <X11/extensions/XShm.h>
  61 #endif
  62 #ifdef DPMSINFO_IN_DPMS_H
  63 #   include <X11/extensions/dpms.h>
  64 #endif
  65
  66 #ifdef MODULE_NAME_IS_xvideo
  67 #   include <X11/extensions/Xv.h>
  68 #   include <X11/extensions/Xvlib.h>
  69 #endif
  70
  71 #ifdef MODULE_NAME_IS_glx
  72 #   include <GL/glx.h>
  73 #endif
  74
  75 #ifdef HAVE_XINERAMA
  76 #   include <X11/extensions/Xinerama.h>
  77 #endif
  78
  79 #include "xcommon.h"
  80
  81 /*****************************************************************************
  82  * Local prototypes
  83  *****************************************************************************/
  84 int  E_(Activate)   ( vlc_object_t * );
  85 void E_(Deactivate) ( vlc_object_t * );
  86
  87 static int  InitVideo      ( vout_thread_t * );
  88 static void EndVideo       ( vout_thread_t * );
  89 static void DisplayVideo   ( vout_thread_t *, picture_t * );
  90 static int  ManageVideo    ( vout_thread_t * );
  91 static int  Control        ( vout_thread_t *, int, va_list );
  92
  93 static int  InitDisplay    ( vout_thread_t * );
  94
  95 static int  CreateWindow   ( vout_thread_t *, x11_window_t * );
  96 static void DestroyWindow  ( vout_thread_t *, x11_window_t * );
  97
  98 static int  NewPicture     ( vout_thread_t *, picture_t * );
  99 static void FreePicture    ( vout_thread_t *, picture_t * );
 100
 101 static IMAGE_TYPE *CreateImage    ( vout_thread_t *,
 102                                     Display *, EXTRA_ARGS, int, int );
 103 #ifdef HAVE_SYS_SHM_H
 104 static IMAGE_TYPE *CreateShmImage ( vout_thread_t *,
 105                                     Display *, EXTRA_ARGS_SHM, int, int );
 106 static vlc_bool_t b_shm = VLC_TRUE;
 107 #endif
 108
 109 static void ToggleFullScreen      ( vout_thread_t * );
 110
 111 static void EnableXScreenSaver    ( vout_thread_t * );
 112 static void DisableXScreenSaver   ( vout_thread_t * );
 113
 114 static void CreateCursor   ( vout_thread_t * );
 115 static void DestroyCursor  ( vout_thread_t * );
 116 static void ToggleCursor   ( vout_thread_t * );
 117
 118 #ifdef MODULE_NAME_IS_xvideo
 119 static int  XVideoGetPort    ( vout_thread_t *, vlc_fourcc_t, vlc_fourcc_t * );
 120 static void XVideoReleasePort( vout_thread_t *, int );
 121 #endif
 122
 123 #ifdef MODULE_NAME_IS_x11
 124 static void SetPalette     ( vout_thread_t *,
 125                              uint16_t *, uint16_t *, uint16_t * );
 126 #endif
 127
 128 static void TestNetWMSupport( vout_thread_t * );
 129 static int ConvertKey( int );
 130
 131 static int WindowOnTop( vout_thread_t *, vlc_bool_t );
 132
 133 static int X11ErrorHandler( Display *, XErrorEvent * );
 134
 135 /*****************************************************************************
 136  * Activate: allocate X11 video thread output method
 137  *****************************************************************************
 138  * This function allocate and initialize a X11 vout method. It uses some of the
 139  * vout properties to choose the window size, and change them according to the
 140  * actual properties of the display.
 141  *****************************************************************************/
 142 int E_(Activate) ( vlc_object_t *p_this )
 143 {
 144     vout_thread_t *p_vout = (vout_thread_t *)p_this;
 145     char *        psz_display;
 146     vlc_value_t   val;
 147
 148 #ifdef MODULE_NAME_IS_xvideo
 149     char *       psz_chroma;
 150     vlc_fourcc_t i_chroma = 0;
 151     vlc_bool_t   b_chroma = 0;
 152 #endif
 153
 154     p_vout->pf_init = InitVideo;
 155     p_vout->pf_end = EndVideo;
 156     p_vout->pf_manage = ManageVideo;
 157     p_vout->pf_render = NULL;
 158     p_vout->pf_display = DisplayVideo;
 159     p_vout->pf_control = Control;
 160
 161     /* Allocate structure */
 162     p_vout->p_sys = malloc( sizeof( vout_sys_t ) );
 163     if( p_vout->p_sys == NULL )
 164     {
 165         msg_Err( p_vout, "out of memory" );
 166         return VLC_ENOMEM;
 167     }
 168
 169     vlc_mutex_init( p_vout, &p_vout->p_sys->lock );
 170
 171     /* Open display, using the "display" config variable or the DISPLAY
 172      * environment variable */
 173     psz_display = config_GetPsz( p_vout, MODULE_STRING "-display" );
 174
 175     p_vout->p_sys->p_display = XOpenDisplay( psz_display );
 176
 177     if( p_vout->p_sys->p_display == NULL )                          /* error */
 178     {
 179         msg_Err( p_vout, "cannot open display %s",
 180                          XDisplayName( psz_display ) );
 181         free( p_vout->p_sys );
 182         if( psz_display ) free( psz_display );
 183         return VLC_EGENERIC;
 184     }
 185     if( psz_display ) free( psz_display );
 186
 187     /* Replace error handler so we can intercept some non-fatal errors */
 188     XSetErrorHandler( X11ErrorHandler );
 189
 190     /* Get a screen ID matching the XOpenDisplay return value */
 191     p_vout->p_sys->i_screen = DefaultScreen( p_vout->p_sys->p_display );
 192
 193 #ifdef MODULE_NAME_IS_xvideo
 194     psz_chroma = config_GetPsz( p_vout, "xvideo-chroma" );
 195     if( psz_chroma )
 196     {
 197         if( strlen( psz_chroma ) >= 4 )
 198         {
 199             /* Do not use direct assignment because we are not sure of the
 200              * alignment. */
 201             memcpy(&i_chroma, psz_chroma, 4);
 202             b_chroma = 1;
 203         }
 204
 205         free( psz_chroma );
 206     }
 207
 208     if( b_chroma )
 209     {
 210         msg_Dbg( p_vout, "forcing chroma 0x%.8x (%4.4s)",
 211                  i_chroma, (char*)&i_chroma );
 212     }
 213     else
 214     {
 215         i_chroma = p_vout->render.i_chroma;
 216     }
 217
 218     /* Check that we have access to an XVideo port providing this chroma */
 219     p_vout->p_sys->i_xvport = XVideoGetPort( p_vout, VLC2X11_FOURCC(i_chroma),
 220                                              &p_vout->output.i_chroma );
 221     if( p_vout->p_sys->i_xvport < 0 )
 222     {
 223         /* If a specific chroma format was requested, then we don't try to
 224          * be cleverer than the user. He knew pretty well what he wanted. */
 225         if( b_chroma )
 226         {
 227             XCloseDisplay( p_vout->p_sys->p_display );
 228             free( p_vout->p_sys );
 229             return VLC_EGENERIC;
 230         }
 231
 232         /* It failed, but it's not completely lost ! We try to open an
 233          * XVideo port for an YUY2 picture. We'll need to do an YUV
 234          * conversion, but at least it has got scaling. */
 235         p_vout->p_sys->i_xvport =
 236                         XVideoGetPort( p_vout, X11_FOURCC('Y','U','Y','2'),
 237                                                &p_vout->output.i_chroma );
 238         if( p_vout->p_sys->i_xvport < 0 )
 239         {
 240             /* It failed, but it's not completely lost ! We try to open an
 241              * XVideo port for a simple 16bpp RGB picture. We'll need to do
 242              * an YUV conversion, but at least it has got scaling. */
 243             p_vout->p_sys->i_xvport =
 244                             XVideoGetPort( p_vout, X11_FOURCC('R','V','1','6'),
 245                                                    &p_vout->output.i_chroma );
 246             if( p_vout->p_sys->i_xvport < 0 )
 247             {
 248                 XCloseDisplay( p_vout->p_sys->p_display );
 249                 free( p_vout->p_sys );
 250                 return VLC_EGENERIC;
 251             }
 252         }
 253     }
 254     p_vout->output.i_chroma = X112VLC_FOURCC(p_vout->output.i_chroma);
 255 #endif
 256
 257     /* Create blank cursor (for mouse cursor autohiding) */
 258     p_vout->p_sys->i_time_mouse_last_moved = mdate();
 259     p_vout->p_sys->b_mouse_pointer_visible = 1;
 260     CreateCursor( p_vout );
 261
 262     /* Set main window's size */
 263     p_vout->p_sys->original_window.i_width = p_vout->i_window_width;
 264     p_vout->p_sys->original_window.i_height = p_vout->i_window_height;
 265     var_Create( p_vout, "video-title", VLC_VAR_STRING | VLC_VAR_DOINHERIT );
 266     /* Spawn base window - this window will include the video output window,
 267      * but also command buttons, subtitles and other indicators */
 268     if( CreateWindow( p_vout, &p_vout->p_sys->original_window ) )
 269     {
 270         msg_Err( p_vout, "cannot create X11 window" );
 271         DestroyCursor( p_vout );
 272         XCloseDisplay( p_vout->p_sys->p_display );
 273         free( p_vout->p_sys );
 274         return VLC_EGENERIC;
 275     }
 276
 277     /* Open and initialize device. */
 278     if( InitDisplay( p_vout ) )
 279     {
 280         msg_Err( p_vout, "cannot initialize X11 display" );
 281         DestroyCursor( p_vout );
 282         DestroyWindow( p_vout, &p_vout->p_sys->original_window );
 283         XCloseDisplay( p_vout->p_sys->p_display );
 284         free( p_vout->p_sys );
 285         return VLC_EGENERIC;
 286     }
 287
 288     /* Disable screen saver */
 289     DisableXScreenSaver( p_vout );
 290
 291     /* Misc init */
 292     p_vout->p_sys->b_altfullscreen = 0;
 293     p_vout->p_sys->i_time_button_last_pressed = 0;
 294
 295     TestNetWMSupport( p_vout );
 296
 297     /* Variable to indicate if the window should be on top of others */
 298     /* Trigger a callback right now */
 299     var_Get( p_vout, "video-on-top", &val );
 300     var_Set( p_vout, "video-on-top", val );
 301
 302     return VLC_SUCCESS;
 303 }
 304
 305 /*****************************************************************************
 306  * Deactivate: destroy X11 video thread output method
 307  *****************************************************************************
 308  * Terminate an output method created by Open
 309  *****************************************************************************/
 310 void E_(Deactivate) ( vlc_object_t *p_this )
 311 {
 312     vout_thread_t *p_vout = (vout_thread_t *)p_this;
 313
 314     /* If the fullscreen window is still open, close it */
 315     if( p_vout->b_fullscreen )
 316     {
 317         ToggleFullScreen( p_vout );
 318     }
 319
 320     /* Restore cursor if it was blanked */
 321     if( !p_vout->p_sys->b_mouse_pointer_visible )
 322     {
 323         ToggleCursor( p_vout );
 324     }
 325
 326 #ifdef MODULE_NAME_IS_x11
 327     /* Destroy colormap */
 328     if( XDefaultDepth(p_vout->p_sys->p_display, p_vout->p_sys->i_screen) == 8 )
 329     {
 330         XFreeColormap( p_vout->p_sys->p_display, p_vout->p_sys->colormap );
 331     }
 332 #elif defined(MODULE_NAME_IS_xvideo)
 333     XVideoReleasePort( p_vout, p_vout->p_sys->i_xvport );
 334 #endif
 335
 336     DestroyCursor( p_vout );
 337     EnableXScreenSaver( p_vout );
 338     DestroyWindow( p_vout, &p_vout->p_sys->original_window );
 339
 340     XCloseDisplay( p_vout->p_sys->p_display );
 341
 342     /* Destroy structure */
 343     vlc_mutex_destroy( &p_vout->p_sys->lock );
 344     free( p_vout->p_sys );
 345 }
 346
 347 /*****************************************************************************
 348  * InitVideo: initialize X11 video thread output method
 349  *****************************************************************************
 350  * This function create the XImages needed by the output thread. It is called
 351  * at the beginning of the thread, but also each time the window is resized.
 352  *****************************************************************************/
 353 static int InitVideo( vout_thread_t *p_vout )
 354 {
 355     int i_index;
 356     picture_t *p_pic;
 357
 358     I_OUTPUTPICTURES = 0;
 359
 360 #ifdef MODULE_NAME_IS_xvideo
 361     /* Initialize the output structure; we already found an XVideo port,
 362      * and the corresponding chroma we will be using. Since we can
 363      * arbitrary scale, stick to the coordinates and aspect. */
 364     p_vout->output.i_width  = p_vout->render.i_width;
 365     p_vout->output.i_height = p_vout->render.i_height;
 366     p_vout->output.i_aspect = p_vout->render.i_aspect;
 367
 368     p_vout->fmt_out = p_vout->fmt_in;
 369     p_vout->fmt_out.i_chroma = p_vout->output.i_chroma;
 370
 371     switch( p_vout->output.i_chroma )
 372     {
 373         case VLC_FOURCC('R','V','1','5'):
 374             p_vout->output.i_rmask = 0x001f;
 375             p_vout->output.i_gmask = 0x07e0;
 376             p_vout->output.i_bmask = 0xf800;
 377             break;
 378         case VLC_FOURCC('R','V','1','6'):
 379             p_vout->output.i_rmask = 0x001f;
 380             p_vout->output.i_gmask = 0x03e0;
 381             p_vout->output.i_bmask = 0x7c00;
 382             break;
 383     }
 384
 385 #elif defined(MODULE_NAME_IS_x11)
 386     /* Initialize the output structure: RGB with square pixels, whatever
 387      * the input format is, since it's the only format we know */
 388     switch( p_vout->p_sys->i_screen_depth )
 389     {
 390         case 8: /* FIXME: set the palette */
 391             p_vout->output.i_chroma = VLC_FOURCC('R','G','B','2'); break;
 392         case 15:
 393             p_vout->output.i_chroma = VLC_FOURCC('R','V','1','5'); break;
 394         case 16:
 395             p_vout->output.i_chroma = VLC_FOURCC('R','V','1','6'); break;
 396         case 24:
 397         case 32:
 398             p_vout->output.i_chroma = VLC_FOURCC('R','V','3','2'); break;
 399         default:
 400             msg_Err( p_vout, "unknown screen depth %i",
 401                      p_vout->p_sys->i_screen_depth );
 402             return VLC_SUCCESS;
 403     }
 404
 405     vout_PlacePicture( p_vout, p_vout->p_sys->p_win->i_width,
 406                        p_vout->p_sys->p_win->i_height,
 407                        &i_index, &i_index,
 408                        &p_vout->output.i_width, &p_vout->output.i_height );
 409
 410     /* Assume we have square pixels */
 411     p_vout->output.i_aspect = p_vout->output.i_width
 412                                * VOUT_ASPECT_FACTOR / p_vout->output.i_height;
 413 #endif
 414
 415     /* Try to initialize up to MAX_DIRECTBUFFERS direct buffers */
 416     while( I_OUTPUTPICTURES < MAX_DIRECTBUFFERS )
 417     {
 418         p_pic = NULL;
 419
 420         /* Find an empty picture slot */
 421         for( i_index = 0 ; i_index < VOUT_MAX_PICTURES ; i_index++ )
 422         {
 423           if( p_vout->p_picture[ i_index ].i_status == FREE_PICTURE )
 424             {
 425                 p_pic = p_vout->p_picture + i_index;
 426                 break;
 427             }
 428         }
 429
 430         /* Allocate the picture */
 431         if( p_pic == NULL || NewPicture( p_vout, p_pic ) )
 432         {
 433             break;
 434         }
 435
 436         p_pic->i_status = DESTROYED_PICTURE;
 437         p_pic->i_type   = DIRECT_PICTURE;
 438
 439         PP_OUTPUTPICTURE[ I_OUTPUTPICTURES ] = p_pic;
 440
 441         I_OUTPUTPICTURES++;
 442     }
 443
 444     if( p_vout->output.i_chroma == VLC_FOURCC('Y','V','1','2') )
 445     {
 446         /* U and V inverted compared to I420
 447          * Fixme: this should be handled by the vout core */
 448         p_vout->output.i_chroma = VLC_FOURCC('I','4','2','0');
 449         p_vout->fmt_out.i_chroma = VLC_FOURCC('I','4','2','0');
 450     }
 451
 452     return VLC_SUCCESS;
 453 }
 454
 455 /*****************************************************************************
 456  * DisplayVideo: displays previously rendered output
 457  *****************************************************************************
 458  * This function sends the currently rendered image to X11 server.
 459  * (The Xv extension takes care of "double-buffering".)
 460  *****************************************************************************/
 461 static void DisplayVideo( vout_thread_t *p_vout, picture_t *p_pic )
 462 {
 463     int i_width, i_height, i_x, i_y;
 464
 465     vout_PlacePicture( p_vout, p_vout->p_sys->p_win->i_width,
 466                        p_vout->p_sys->p_win->i_height,
 467                        &i_x, &i_y, &i_width, &i_height );
 468
 469     vlc_mutex_lock( &p_vout->p_sys->lock );
 470
 471 #ifdef HAVE_SYS_SHM_H
 472     if( p_vout->p_sys->b_shm )
 473     {
 474         /* Display rendered image using shared memory extension */
 475 #   ifdef MODULE_NAME_IS_xvideo
 476         XvShmPutImage( p_vout->p_sys->p_display, p_vout->p_sys->i_xvport,
 477                        p_vout->p_sys->p_win->video_window,
 478                        p_vout->p_sys->p_win->gc, p_pic->p_sys->p_image,
 479                        p_vout->fmt_out.i_x_offset,
 480                        p_vout->fmt_out.i_y_offset,
 481                        p_vout->fmt_out.i_visible_width,
 482                        p_vout->fmt_out.i_visible_height,
 483                        0 /*dest_x*/, 0 /*dest_y*/, i_width, i_height,
 484                        False /* Don't put True here or you'll waste your CPU */ );
 485 #   else
 486         XShmPutImage( p_vout->p_sys->p_display,
 487                       p_vout->p_sys->p_win->video_window,
 488                       p_vout->p_sys->p_win->gc, p_pic->p_sys->p_image,
 489                       0 /*src_x*/, 0 /*src_y*/, 0 /*dest_x*/, 0 /*dest_y*/,
 490                       p_vout->output.i_width, p_vout->output.i_height,
 491                       False /* Don't put True here ! */ );
 492 #   endif
 493     }
 494     else
 495 #endif /* HAVE_SYS_SHM_H */
 496     {
 497         /* Use standard XPutImage -- this is gonna be slow ! */
 498 #ifdef MODULE_NAME_IS_xvideo
 499         XvPutImage( p_vout->p_sys->p_display, p_vout->p_sys->i_xvport,
 500                     p_vout->p_sys->p_win->video_window,
 501                     p_vout->p_sys->p_win->gc, p_pic->p_sys->p_image,
 502                     p_vout->fmt_out.i_x_offset,
 503                     p_vout->fmt_out.i_y_offset,
 504                     p_vout->fmt_out.i_visible_width,
 505                     p_vout->fmt_out.i_visible_height,
 506                     0 /*dest_x*/, 0 /*dest_y*/, i_width, i_height );
 507 #else
 508         XPutImage( p_vout->p_sys->p_display,
 509                    p_vout->p_sys->p_win->video_window,
 510                    p_vout->p_sys->p_win->gc, p_pic->p_sys->p_image,
 511                    0 /*src_x*/, 0 /*src_y*/, 0 /*dest_x*/, 0 /*dest_y*/,
 512                    p_vout->output.i_width, p_vout->output.i_height );
 513 #endif
 514     }
 515
 516     /* Make sure the command is sent now - do NOT use XFlush !*/
 517     XSync( p_vout->p_sys->p_display, False );
 518
 519     vlc_mutex_unlock( &p_vout->p_sys->lock );
 520 }
 521
 522 /*****************************************************************************
 523  * ManageVideo: handle X11 events
 524  *****************************************************************************
 525  * This function should be called regularly by video output thread. It manages
 526  * X11 events and allows window resizing. It returns a non null value on
 527  * error.
 528  *****************************************************************************/
 529 static int ManageVideo( vout_thread_t *p_vout )
 530 {
 531     XEvent      xevent;                                         /* X11 event */
 532     vlc_value_t val;
 533
 534     vlc_mutex_lock( &p_vout->p_sys->lock );
 535
 536     /* Handle events from the owner window */
 537     if( p_vout->p_sys->p_win->owner_window )
 538     {
 539         while( XCheckWindowEvent( p_vout->p_sys->p_display,
 540                                   p_vout->p_sys->p_win->owner_window,
 541                                   StructureNotifyMask, &xevent ) == True )
 542         {
 543             /* ConfigureNotify event: prepare  */
 544             if( xevent.type == ConfigureNotify )
 545             {
 546                 /* Update dimensions */
 547                 XResizeWindow( p_vout->p_sys->p_display,
 548                                p_vout->p_sys->p_win->base_window,
 549                                xevent.xconfigure.width,
 550                                xevent.xconfigure.height );
 551             }
 552         }
 553     }
 554
 555     /* Handle X11 events: ConfigureNotify events are parsed to know if the
 556      * output window's size changed, MapNotify and UnmapNotify to know if the
 557      * window is mapped (and if the display is useful), and ClientMessages
 558      * to intercept window destruction requests */
 559
 560     while( XCheckWindowEvent( p_vout->p_sys->p_display,
 561                               p_vout->p_sys->p_win->base_window,
 562                               StructureNotifyMask | KeyPressMask |
 563                               ButtonPressMask | ButtonReleaseMask |
 564                               PointerMotionMask | Button1MotionMask , &xevent )
 565            == True )
 566     {
 567         /* ConfigureNotify event: prepare  */
 568         if( xevent.type == ConfigureNotify )
 569         {
 570             if( (unsigned int)xevent.xconfigure.width
 571                    != p_vout->p_sys->p_win->i_width
 572               || (unsigned int)xevent.xconfigure.height
 573                     != p_vout->p_sys->p_win->i_height )
 574             {
 575                 /* Update dimensions */
 576                 p_vout->i_changes |= VOUT_SIZE_CHANGE;
 577                 p_vout->p_sys->p_win->i_width = xevent.xconfigure.width;
 578                 p_vout->p_sys->p_win->i_height = xevent.xconfigure.height;
 579             }
 580         }
 581         /* Keyboard event */
 582         else if( xevent.type == KeyPress )
 583         {
 584             unsigned int state = xevent.xkey.state;
 585             KeySym x_key_symbol;
 586             char i_key;                                   /* ISO Latin-1 key */
 587
 588             /* We may have keys like F1 trough F12, ESC ... */
 589             x_key_symbol = XKeycodeToKeysym( p_vout->p_sys->p_display,
 590                                              xevent.xkey.keycode, 0 );
 591             val.i_int = ConvertKey( (int)x_key_symbol );
 592
 593             xevent.xkey.state &= ~ShiftMask;
 594             xevent.xkey.state &= ~ControlMask;
 595             xevent.xkey.state &= ~Mod1Mask;
 596
 597             if( !val.i_int &&
 598                 XLookupString( &xevent.xkey, &i_key, 1, NULL, NULL ) )
 599             {
 600                 /* "Normal Keys"
 601                  * The reason why I use this instead of XK_0 is that
 602                  * with XLookupString, we don't have to care about
 603                  * keymaps. */
 604                 val.i_int = i_key;
 605             }
 606
 607             if( val.i_int )
 608             {
 609                 if( state & ShiftMask )
 610                 {
 611                     val.i_int |= KEY_MODIFIER_SHIFT;
 612                 }
 613                 if( state & ControlMask )
 614                 {
 615                     val.i_int |= KEY_MODIFIER_CTRL;
 616                 }
 617                 if( state & Mod1Mask )
 618                 {
 619                     val.i_int |= KEY_MODIFIER_ALT;
 620                 }
 621                 var_Set( p_vout->p_vlc, "key-pressed", val );
 622             }
 623         }
 624         /* Mouse click */
 625         else if( xevent.type == ButtonPress )
 626         {
 627             switch( ((XButtonEvent *)&xevent)->button )
 628             {
 629                 case Button1:
 630                     var_Get( p_vout, "mouse-button-down", &val );
 631                     val.i_int |= 1;
 632                     var_Set( p_vout, "mouse-button-down", val );
 633
 634                     /* detect double-clicks */
 635                     if( ( ((XButtonEvent *)&xevent)->time -
 636                           p_vout->p_sys->i_time_button_last_pressed ) < 300 )
 637                     {
 638                         p_vout->i_changes |= VOUT_FULLSCREEN_CHANGE;
 639                     }
 640
 641                     p_vout->p_sys->i_time_button_last_pressed =
 642                         ((XButtonEvent *)&xevent)->time;
 643                     break;
 644                 case Button2:
 645                     var_Get( p_vout, "mouse-button-down", &val );
 646                     val.i_int |= 2;
 647                     var_Set( p_vout, "mouse-button-down", val );
 648                     break;
 649
 650                 case Button3:
 651                     var_Get( p_vout, "mouse-button-down", &val );
 652                     val.i_int |= 4;
 653                     var_Set( p_vout, "mouse-button-down", val );
 654                     break;
 655
 656                 case Button4:
 657                     var_Get( p_vout, "mouse-button-down", &val );
 658                     val.i_int |= 8;
 659                     var_Set( p_vout, "mouse-button-down", val );
 660                     break;
 661
 662                 case Button5:
 663                     var_Get( p_vout, "mouse-button-down", &val );
 664                     val.i_int |= 16;
 665                     var_Set( p_vout, "mouse-button-down", val );
 666                     break;
 667             }
 668         }
 669         /* Mouse release */
 670         else if( xevent.type == ButtonRelease )
 671         {
 672             switch( ((XButtonEvent *)&xevent)->button )
 673             {
 674                 case Button1:
 675                     var_Get( p_vout, "mouse-button-down", &val );
 676                     val.i_int &= ~1;
 677                     var_Set( p_vout, "mouse-button-down", val );
 678
 679                     val.b_bool = VLC_TRUE;
 680                     var_Set( p_vout, "mouse-clicked", val );
 681                     break;
 682
 683                 case Button2:
 684                     {
 685                         playlist_t *p_playlist;
 686
 687                         var_Get( p_vout, "mouse-button-down", &val );
 688                         val.i_int &= ~2;
 689                         var_Set( p_vout, "mouse-button-down", val );
 690
 691                         p_playlist = vlc_object_find( p_vout,
 692                                                       VLC_OBJECT_PLAYLIST,
 693                                                       FIND_ANYWHERE );
 694                         if( p_playlist != NULL )
 695                         {
 696                             vlc_value_t val;
 697                             var_Get( p_playlist, "intf-show", &val );
 698                             val.b_bool = !val.b_bool;
 699                             var_Set( p_playlist, "intf-show", val );
 700                             vlc_object_release( p_playlist );
 701                         }
 702                     }
 703                     break;
 704
 705                 case Button3:
 706                     {
 707                         intf_thread_t *p_intf;
 708                         playlist_t *p_playlist;
 709
 710                         var_Get( p_vout, "mouse-button-down", &val );
 711                         val.i_int &= ~4;
 712                         var_Set( p_vout, "mouse-button-down", val );
 713                         p_intf = vlc_object_find( p_vout, VLC_OBJECT_INTF,
 714                                                           FIND_ANYWHERE );
 715                         if( p_intf )
 716                         {
 717                             p_intf->b_menu_change = 1;
 718                             vlc_object_release( p_intf );
 719                         }
 720
 721                         p_playlist = vlc_object_find( p_vout,
 722                                                       VLC_OBJECT_PLAYLIST,
 723                                                       FIND_ANYWHERE );
 724                         if( p_playlist != NULL )
 725                         {
 726                             vlc_value_t val; val.b_bool = VLC_TRUE;
 727                             var_Set( p_playlist, "intf-popupmenu", val );
 728                             vlc_object_release( p_playlist );
 729                         }
 730                     }
 731                     break;
 732
 733                 case Button4:
 734                     var_Get( p_vout, "mouse-button-down", &val );
 735                     val.i_int &= ~8;
 736                     var_Set( p_vout, "mouse-button-down", val );
 737                     break;
 738
 739                 case Button5:
 740                     var_Get( p_vout, "mouse-button-down", &val );
 741                     val.i_int &= ~16;
 742                     var_Set( p_vout, "mouse-button-down", val );
 743                     break;
 744
 745             }
 746         }
 747         /* Mouse move */
 748         else if( xevent.type == MotionNotify )
 749         {
 750             int i_width, i_height, i_x, i_y;
 751             vlc_value_t val;
 752
 753             /* somewhat different use for vout_PlacePicture:
 754              * here the values are needed to give to mouse coordinates
 755              * in the original picture space */
 756             vout_PlacePicture( p_vout, p_vout->p_sys->p_win->i_width,
 757                                p_vout->p_sys->p_win->i_height,
 758                                &i_x, &i_y, &i_width, &i_height );
 759
 760             val.i_int = ( xevent.xmotion.x - i_x )
 761                          * p_vout->render.i_width / i_width;
 762             var_Set( p_vout, "mouse-x", val );
 763             val.i_int = ( xevent.xmotion.y - i_y )
 764                          * p_vout->render.i_height / i_height;
 765             var_Set( p_vout, "mouse-y", val );
 766
 767             val.b_bool = VLC_TRUE;
 768             var_Set( p_vout, "mouse-moved", val );
 769
 770             p_vout->p_sys->i_time_mouse_last_moved = mdate();
 771             if( ! p_vout->p_sys->b_mouse_pointer_visible )
 772             {
 773                 ToggleCursor( p_vout );
 774             }
 775         }
 776         else if( xevent.type == ReparentNotify /* XXX: why do we get this? */
 777                   || xevent.type == MapNotify
 778                   || xevent.type == UnmapNotify )
 779         {
 780             /* Ignore these events */
 781         }
 782         else /* Other events */
 783         {
 784             msg_Warn( p_vout, "unhandled event %d received", xevent.type );
 785         }
 786     }
 787
 788     /* Handle events for video output sub-window */
 789     while( XCheckWindowEvent( p_vout->p_sys->p_display,
 790                               p_vout->p_sys->p_win->video_window,
 791                               ExposureMask, &xevent ) == True )
 792     {
 793         /* Window exposed (only handled if stream playback is paused) */
 794         if( xevent.type == Expose )
 795         {
 796             if( ((XExposeEvent *)&xevent)->count == 0 )
 797             {
 798                 /* (if this is the last a collection of expose events...) */
 799 #if 0
 800                 if( p_vout->p_vlc->p_input_bank->pp_input[0] != NULL )
 801                 {
 802                     if( PAUSE_S == p_vout->p_vlc->p_input_bank->pp_input[0]
 803                                                    ->stream.control.i_status )
 804                     {
 805                         /* XVideoDisplay( p_vout )*/;
 806                     }
 807                 }
 808 #endif
 809             }
 810         }
 811     }
 812
 813     /* ClientMessage event - only WM_PROTOCOLS with WM_DELETE_WINDOW data
 814      * are handled - according to the man pages, the format is always 32
 815      * in this case */
 816     while( XCheckTypedEvent( p_vout->p_sys->p_display,
 817                              ClientMessage, &xevent ) )
 818     {
 819         if( (xevent.xclient.message_type == p_vout->p_sys->p_win->wm_protocols)
 820                && ((Atom)xevent.xclient.data.l[0]
 821                      == p_vout->p_sys->p_win->wm_delete_window ) )
 822         {
 823             /* the user wants to close the window */
 824             playlist_t * p_playlist =
 825                 (playlist_t *)vlc_object_find( p_vout, VLC_OBJECT_PLAYLIST,
 826                                                FIND_ANYWHERE );
 827             if( p_playlist != NULL )
 828             {
 829                 playlist_Stop( p_playlist );
 830                 vlc_object_release( p_playlist );
 831             }
 832         }
 833     }
 834
 835     /*
 836      * Fullscreen Change
 837      */
 838     if ( p_vout->i_changes & VOUT_FULLSCREEN_CHANGE )
 839     {
 840         vlc_value_t val;
 841
 842         /* Update the object variable and trigger callback */
 843         val.b_bool = !p_vout->b_fullscreen;
 844         var_Set( p_vout, "fullscreen", val );
 845
 846         ToggleFullScreen( p_vout );
 847         p_vout->i_changes &= ~VOUT_FULLSCREEN_CHANGE;
 848     }
 849
 850     /*
 851      * Size change
 852      *
 853      * (Needs to be placed after VOUT_FULLSREEN_CHANGE because we can activate
 854      *  the size flag inside the fullscreen routine)
 855      */
 856     if( p_vout->i_changes & VOUT_SIZE_CHANGE )
 857     {
 858         int i_width, i_height, i_x, i_y;
 859
 860         p_vout->i_changes &= ~VOUT_SIZE_CHANGE;
 861
 862 #ifdef MODULE_NAME_IS_x11
 863         /* We need to signal the vout thread about the size change because it
 864          * is doing the rescaling */
 865         p_vout->i_changes |= VOUT_SIZE_CHANGE;
 866 #endif
 867
 868         vout_PlacePicture( p_vout, p_vout->p_sys->p_win->i_width,
 869                            p_vout->p_sys->p_win->i_height,
 870                            &i_x, &i_y, &i_width, &i_height );
 871
 872         XMoveResizeWindow( p_vout->p_sys->p_display,
 873                            p_vout->p_sys->p_win->video_window,
 874                            i_x, i_y, i_width, i_height );
 875     }
 876
 877     /* Autohide Cursour */
 878     if( mdate() - p_vout->p_sys->i_time_mouse_last_moved > 2000000 )
 879     {
 880         /* Hide the mouse automatically */
 881         if( p_vout->p_sys->b_mouse_pointer_visible )
 882         {
 883             ToggleCursor( p_vout );
 884         }
 885     }
 886
 887     vlc_mutex_unlock( &p_vout->p_sys->lock );
 888
 889     return 0;
 890 }
 891
 892 /*****************************************************************************
 893  * EndVideo: terminate X11 video thread output method
 894  *****************************************************************************
 895  * Destroy the X11 XImages created by Init. It is called at the end of
 896  * the thread, but also each time the window is resized.
 897  *****************************************************************************/
 898 static void EndVideo( vout_thread_t *p_vout )
 899 {
 900     int i_index;
 901
 902     /* Free the direct buffers we allocated */
 903     for( i_index = I_OUTPUTPICTURES ; i_index ; )
 904     {
 905         i_index--;
 906         FreePicture( p_vout, PP_OUTPUTPICTURE[ i_index ] );
 907     }
 908 }
 909
 910 /* following functions are local */
 911
 912 /*****************************************************************************
 913  * CreateWindow: open and set-up X11 main window
 914  *****************************************************************************/
 915 static int CreateWindow( vout_thread_t *p_vout, x11_window_t *p_win )
 916 {
 917     XSizeHints              xsize_hints;
 918     XSetWindowAttributes    xwindow_attributes;
 919     XGCValues               xgcvalues;
 920     XEvent                  xevent;
 921
 922     vlc_bool_t              b_expose = VLC_FALSE;
 923     vlc_bool_t              b_configure_notify = VLC_FALSE;
 924     vlc_bool_t              b_map_notify = VLC_FALSE;
 925     vlc_value_t             val;
 926
 927     /* Prepare window manager hints and properties */
 928     p_win->wm_protocols =
 929              XInternAtom( p_vout->p_sys->p_display, "WM_PROTOCOLS", True );
 930     p_win->wm_delete_window =
 931              XInternAtom( p_vout->p_sys->p_display, "WM_DELETE_WINDOW", True );
 932
 933     /* Never have a 0-pixel-wide window */
 934     xsize_hints.min_width = 2;
 935     xsize_hints.min_height = 1;
 936
 937     /* Prepare window attributes */
 938     xwindow_attributes.backing_store = Always;       /* save the hidden part */
 939     xwindow_attributes.background_pixel = BlackPixel(p_vout->p_sys->p_display,
 940                                                      p_vout->p_sys->i_screen);
 941     xwindow_attributes.event_mask = ExposureMask | StructureNotifyMask;
 942
 943     if( !p_vout->b_fullscreen )
 944     {
 945         p_win->owner_window =
 946             (Window)vout_RequestWindow( p_vout, &p_win->i_x, &p_win->i_y,
 947                                         &p_win->i_width, &p_win->i_height );
 948
 949         xsize_hints.base_width  = xsize_hints.width = p_win->i_width;
 950         xsize_hints.base_height = xsize_hints.height = p_win->i_height;
 951         xsize_hints.flags       = PSize | PMinSize;
 952
 953         if( p_win->i_x >=0 || p_win->i_y >= 0 )
 954         {
 955             xsize_hints.x = p_win->i_x;
 956             xsize_hints.y = p_win->i_y;
 957             xsize_hints.flags |= PPosition;
 958         }
 959     }
 960     else
 961     {
 962         /* Fullscreen window size and position */
 963         p_win->owner_window = 0;
 964         p_win->i_x = p_win->i_y = 0;
 965         p_win->i_width =
 966             DisplayWidth( p_vout->p_sys->p_display, p_vout->p_sys->i_screen );
 967         p_win->i_height =
 968             DisplayHeight( p_vout->p_sys->p_display, p_vout->p_sys->i_screen );
 969     }
 970
 971     if( !p_win->owner_window )
 972     {
 973         /* Create the window and set hints - the window must receive
 974          * ConfigureNotify events, and until it is displayed, Expose and
 975          * MapNotify events. */
 976
 977         p_win->base_window =
 978             XCreateWindow( p_vout->p_sys->p_display,
 979                            DefaultRootWindow( p_vout->p_sys->p_display ),
 980                            p_win->i_x, p_win->i_y,
 981                            p_win->i_width, p_win->i_height,
 982                            0,
 983                            0, InputOutput, 0,
 984                            CWBackingStore | CWBackPixel | CWEventMask,
 985                            &xwindow_attributes );
 986
 987         if( !p_vout->b_fullscreen )
 988         {
 989             /* Set window manager hints and properties: size hints, command,
 990              * window's name, and accepted protocols */
 991             XSetWMNormalHints( p_vout->p_sys->p_display,
 992                                p_win->base_window, &xsize_hints );
 993             XSetCommand( p_vout->p_sys->p_display, p_win->base_window,
 994                          p_vout->p_vlc->ppsz_argv, p_vout->p_vlc->i_argc );
 995
 996             if( !var_GetBool( p_vout, "video-deco") )
 997             {
 998                 Atom prop;
 999                 mwmhints_t mwmhints;
1000
1001                 mwmhints.flags = MWM_HINTS_DECORATIONS;
1002                 mwmhints.decorations = False;
1003
1004                 prop = XInternAtom( p_vout->p_sys->p_display, "_MOTIF_WM_HINTS",
1005                                     False );
1006
1007                 XChangeProperty( p_vout->p_sys->p_display,
1008                                  p_win->base_window,
1009                                  prop, prop, 32, PropModeReplace,
1010                                  (unsigned char *)&mwmhints,
1011                                  PROP_MWM_HINTS_ELEMENTS );
1012             }
1013             else
1014             {
1015                  var_Get( p_vout, "video-title", &val );
1016                  if( !val.psz_string || !*val.psz_string )
1017                  {
1018                     XStoreName( p_vout->p_sys->p_display, p_win->base_window,
1019 #ifdef MODULE_NAME_IS_x11
1020                                 VOUT_TITLE " (X11 output)"
1021 #elif defined(MODULE_NAME_IS_glx)
1022                                 VOUT_TITLE " (GLX output)"
1023 #else
1024                                 VOUT_TITLE " (XVideo output)"
1025 #endif
1026                       );
1027                 }
1028                 else
1029                 {
1030                     XStoreName( p_vout->p_sys->p_display,
1031                                p_win->base_window, val.psz_string );
1032                 }
1033             }
1034         }
1035     }
1036     else
1037     {
1038         Window dummy1;
1039         unsigned int dummy2, dummy3;
1040
1041         /* Select events we are interested in. */
1042         XSelectInput( p_vout->p_sys->p_display, p_win->owner_window,
1043                       StructureNotifyMask );
1044
1045         /* Get the parent window's geometry information */
1046         XGetGeometry( p_vout->p_sys->p_display, p_win->owner_window,
1047                       &dummy1, &dummy2, &dummy3,
1048                       &p_win->i_width,
1049                       &p_win->i_height,
1050                       &dummy2, &dummy3 );
1051
1052         /* We are already configured */
1053         b_configure_notify = VLC_TRUE;
1054
1055         /* From man XSelectInput: only one client at a time can select a
1056          * ButtonPress event, so we need to open a new window anyway. */
1057         p_win->base_window =
1058             XCreateWindow( p_vout->p_sys->p_display,
1059                            p_win->owner_window,
1060                            0, 0,
1061                            p_win->i_width, p_win->i_height,
1062                            0,
1063                            0, CopyFromParent, 0,
1064                            CWBackingStore | CWBackPixel | CWEventMask,
1065                            &xwindow_attributes );
1066     }
1067
1068     if( (p_win->wm_protocols == None)        /* use WM_DELETE_WINDOW */
1069         || (p_win->wm_delete_window == None)
1070         || !XSetWMProtocols( p_vout->p_sys->p_display, p_win->base_window,
1071                              &p_win->wm_delete_window, 1 ) )
1072     {
1073         /* WM_DELETE_WINDOW is not supported by window manager */
1074         msg_Warn( p_vout, "missing or bad window manager" );
1075     }
1076
1077     /* Creation of a graphic context that doesn't generate a GraphicsExpose
1078      * event when using functions like XCopyArea */
1079     xgcvalues.graphics_exposures = False;
1080     p_win->gc = XCreateGC( p_vout->p_sys->p_display,
1081                            p_win->base_window,
1082                            GCGraphicsExposures, &xgcvalues );
1083
1084     /* Send orders to server, and wait until window is displayed - three
1085      * events must be received: a MapNotify event, an Expose event allowing
1086      * drawing in the window, and a ConfigureNotify to get the window
1087      * dimensions. Once those events have been received, only
1088      * ConfigureNotify events need to be received. */
1089     XMapWindow( p_vout->p_sys->p_display, p_win->base_window );
1090     do
1091     {
1092         XWindowEvent( p_vout->p_sys->p_display, p_win->base_window,
1093                       SubstructureNotifyMask | StructureNotifyMask |
1094                       ExposureMask, &xevent);
1095         if( (xevent.type == Expose)
1096             && (xevent.xexpose.window == p_win->base_window) )
1097         {
1098             b_expose = VLC_TRUE;
1099             /* ConfigureNotify isn't sent if there isn't a window manager.
1100              * Expose should be the last event to be received so it should
1101              * be fine to assume we won't receive it anymore. */
1102             b_configure_notify = VLC_TRUE;
1103         }
1104         else if( (xevent.type == MapNotify)
1105                  && (xevent.xmap.window == p_win->base_window) )
1106         {
1107             b_map_notify = VLC_TRUE;
1108         }
1109         else if( (xevent.type == ConfigureNotify)
1110                  && (xevent.xconfigure.window == p_win->base_window) )
1111         {
1112             b_configure_notify = VLC_TRUE;
1113             p_win->i_width = xevent.xconfigure.width;
1114             p_win->i_height = xevent.xconfigure.height;
1115         }
1116     } while( !( b_expose && b_configure_notify && b_map_notify ) );
1117
1118     XSelectInput( p_vout->p_sys->p_display, p_win->base_window,
1119                   StructureNotifyMask | KeyPressMask |
1120                   ButtonPressMask | ButtonReleaseMask |
1121                   PointerMotionMask );
1122
1123 #ifdef MODULE_NAME_IS_x11
1124     if( XDefaultDepth(p_vout->p_sys->p_display, p_vout->p_sys->i_screen) == 8 )
1125     {
1126         /* Allocate a new palette */
1127         p_vout->p_sys->colormap =
1128             XCreateColormap( p_vout->p_sys->p_display,
1129                              DefaultRootWindow( p_vout->p_sys->p_display ),
1130                              DefaultVisual( p_vout->p_sys->p_display,
1131                                             p_vout->p_sys->i_screen ),
1132                              AllocAll );
1133
1134         xwindow_attributes.colormap = p_vout->p_sys->colormap;
1135         XChangeWindowAttributes( p_vout->p_sys->p_display, p_win->base_window,
1136                                  CWColormap, &xwindow_attributes );
1137     }
1138 #endif
1139
1140     /* Create video output sub-window. */
1141     p_win->video_window =  XCreateSimpleWindow(
1142                                       p_vout->p_sys->p_display,
1143                                       p_win->base_window, 0, 0,
1144                                       p_win->i_width, p_win->i_height,
1145                                       0,
1146                                       BlackPixel( p_vout->p_sys->p_display,
1147                                                   p_vout->p_sys->i_screen ),
1148                                       WhitePixel( p_vout->p_sys->p_display,
1149                                                   p_vout->p_sys->i_screen ) );
1150
1151     XSetWindowBackground( p_vout->p_sys->p_display, p_win->video_window,
1152                           BlackPixel( p_vout->p_sys->p_display,
1153                                       p_vout->p_sys->i_screen ) );
1154
1155     XMapWindow( p_vout->p_sys->p_display, p_win->video_window );
1156     XSelectInput( p_vout->p_sys->p_display, p_win->video_window,
1157                   ExposureMask );
1158
1159     /* make sure the video window will be centered in the next ManageVideo() */
1160     p_vout->i_changes |= VOUT_SIZE_CHANGE;
1161
1162     /* If the cursor was formerly blank than blank it again */
1163     if( !p_vout->p_sys->b_mouse_pointer_visible )
1164     {
1165         ToggleCursor( p_vout );
1166         ToggleCursor( p_vout );
1167     }
1168
1169     /* Do NOT use XFlush here ! */
1170     XSync( p_vout->p_sys->p_display, False );
1171
1172     /* At this stage, the window is open, displayed, and ready to
1173      * receive data */
1174     p_vout->p_sys->p_win = p_win;
1175
1176     return VLC_SUCCESS;
1177 }
1178
1179 /*****************************************************************************
1180  * DestroyWindow: destroy the window
1181  *****************************************************************************
1182  *
1183  *****************************************************************************/
1184 static void DestroyWindow( vout_thread_t *p_vout, x11_window_t *p_win )
1185 {
1186     /* Do NOT use XFlush here ! */
1187     XSync( p_vout->p_sys->p_display, False );
1188
1189     if( p_win->video_window != None )
1190         XDestroyWindow( p_vout->p_sys->p_display, p_win->video_window );
1191
1192     XFreeGC( p_vout->p_sys->p_display, p_win->gc );
1193
1194     XUnmapWindow( p_vout->p_sys->p_display, p_win->base_window );
1195     XDestroyWindow( p_vout->p_sys->p_display, p_win->base_window );
1196
1197     if( p_win->owner_window )
1198         vout_ReleaseWindow( p_vout, (void *)p_win->owner_window );
1199 }
1200
1201 /*****************************************************************************
1202  * NewPicture: allocate a picture
1203  *****************************************************************************
1204  * Returns 0 on success, -1 otherwise
1205  *****************************************************************************/
1206 static int NewPicture( vout_thread_t *p_vout, picture_t *p_pic )
1207 {
1208 #ifndef MODULE_NAME_IS_glx
1209
1210 #ifdef MODULE_NAME_IS_xvideo
1211     int i_plane;
1212 #endif
1213
1214     /* We know the chroma, allocate a buffer which will be used
1215      * directly by the decoder */
1216     p_pic->p_sys = malloc( sizeof( picture_sys_t ) );
1217
1218     if( p_pic->p_sys == NULL )
1219     {
1220         return -1;
1221     }
1222
1223     /* Fill in picture_t fields */
1224     vout_InitPicture( VLC_OBJECT(p_vout), p_pic, p_vout->output.i_chroma,
1225                       p_vout->output.i_width, p_vout->output.i_height,
1226                       p_vout->output.i_aspect );
1227
1228 #ifdef HAVE_SYS_SHM_H
1229     if( p_vout->p_sys->b_shm )
1230     {
1231         /* Create image using XShm extension */
1232         p_pic->p_sys->p_image =
1233             CreateShmImage( p_vout, p_vout->p_sys->p_display,
1234 #   ifdef MODULE_NAME_IS_xvideo
1235                             p_vout->p_sys->i_xvport,
1236                             VLC2X11_FOURCC(p_vout->output.i_chroma),
1237 #   else
1238                             p_vout->p_sys->p_visual,
1239                             p_vout->p_sys->i_screen_depth,
1240 #   endif
1241                             &p_pic->p_sys->shminfo,
1242                             p_vout->output.i_width, p_vout->output.i_height );
1243     }
1244
1245     if( !p_vout->p_sys->b_shm || !p_pic->p_sys->p_image )
1246 #endif /* HAVE_SYS_SHM_H */
1247     {
1248         /* Create image without XShm extension */
1249         p_pic->p_sys->p_image =
1250             CreateImage( p_vout, p_vout->p_sys->p_display,
1251 #ifdef MODULE_NAME_IS_xvideo
1252                          p_vout->p_sys->i_xvport,
1253                          VLC2X11_FOURCC(p_vout->output.i_chroma),
1254                          p_pic->format.i_bits_per_pixel,
1255 #else
1256                          p_vout->p_sys->p_visual,
1257                          p_vout->p_sys->i_screen_depth,
1258                          p_vout->p_sys->i_bytes_per_pixel,
1259 #endif
1260                          p_vout->output.i_width, p_vout->output.i_height );
1261
1262 #ifdef HAVE_SYS_SHM_H
1263         if( p_pic->p_sys->p_image && p_vout->p_sys->b_shm )
1264         {
1265             msg_Warn( p_vout, "couldn't create SHM image, disabling SHM." );
1266             p_vout->p_sys->b_shm = VLC_FALSE;
1267         }
1268 #endif /* HAVE_SYS_SHM_H */
1269     }
1270
1271     if( p_pic->p_sys->p_image == NULL )
1272     {
1273         free( p_pic->p_sys );
1274         return -1;
1275     }
1276
1277     switch( p_vout->output.i_chroma )
1278     {
1279 #ifdef MODULE_NAME_IS_xvideo
1280         case VLC_FOURCC('I','4','2','0'):
1281         case VLC_FOURCC('Y','V','1','2'):
1282         case VLC_FOURCC('Y','2','1','1'):
1283         case VLC_FOURCC('Y','U','Y','2'):
1284         case VLC_FOURCC('U','Y','V','Y'):
1285         case VLC_FOURCC('R','V','1','5'):
1286         case VLC_FOURCC('R','V','1','6'):
1287         case VLC_FOURCC('R','V','2','4'): /* Fixme: pixel pitch == 4 ? */
1288         case VLC_FOURCC('R','V','3','2'):
1289
1290             for( i_plane = 0; i_plane < p_pic->p_sys->p_image->num_planes;
1291                  i_plane++ )
1292             {
1293                 p_pic->p[i_plane].p_pixels = p_pic->p_sys->p_image->data
1294                     + p_pic->p_sys->p_image->offsets[i_plane];
1295                 p_pic->p[i_plane].i_pitch =
1296                     p_pic->p_sys->p_image->pitches[i_plane];
1297             }
1298             if( p_vout->output.i_chroma == VLC_FOURCC('Y','V','1','2') )
1299             {
1300                 /* U and V inverted compared to I420
1301                  * Fixme: this should be handled by the vout core */
1302                 p_pic->U_PIXELS = p_pic->p_sys->p_image->data
1303                     + p_pic->p_sys->p_image->offsets[2];
1304                 p_pic->V_PIXELS = p_pic->p_sys->p_image->data
1305                     + p_pic->p_sys->p_image->offsets[1];
1306             }
1307             break;
1308
1309 #else
1310         case VLC_FOURCC('R','G','B','2'):
1311         case VLC_FOURCC('R','V','1','6'):
1312         case VLC_FOURCC('R','V','1','5'):
1313         case VLC_FOURCC('R','V','2','4'):
1314         case VLC_FOURCC('R','V','3','2'):
1315
1316             p_pic->p->i_lines = p_pic->p_sys->p_image->height;
1317             p_pic->p->i_visible_lines = p_pic->p_sys->p_image->height;
1318             p_pic->p->p_pixels = p_pic->p_sys->p_image->data
1319                                   + p_pic->p_sys->p_image->xoffset;
1320             p_pic->p->i_pitch = p_pic->p_sys->p_image->bytes_per_line;
1321
1322             /* p_pic->p->i_pixel_pitch = 4 for RV24 but this should be set
1323              * properly by vout_InitPicture() */
1324             p_pic->p->i_visible_pitch = p_pic->p->i_pixel_pitch
1325                                          * p_pic->p_sys->p_image->width;
1326             break;
1327 #endif
1328
1329         default:
1330             /* Unknown chroma, tell the guy to get lost */
1331             IMAGE_FREE( p_pic->p_sys->p_image );
1332             free( p_pic->p_sys );
1333             msg_Err( p_vout, "never heard of chroma 0x%.8x (%4.4s)",
1334                      p_vout->output.i_chroma, (char*)&p_vout->output.i_chroma );
1335             p_pic->i_planes = 0;
1336             return -1;
1337     }
1338
1339 #endif /* !MODULE_NAME_IS_glx */
1340
1341     return 0;
1342 }
1343
1344 /*****************************************************************************
1345  * FreePicture: destroy a picture allocated with NewPicture
1346  *****************************************************************************
1347  * Destroy XImage AND associated data. If using Shm, detach shared memory
1348  * segment from server and process, then free it. The XDestroyImage manpage
1349  * says that both the image structure _and_ the data pointed to by the
1350  * image structure are freed, so no need to free p_image->data.
1351  *****************************************************************************/
1352 static void FreePicture( vout_thread_t *p_vout, picture_t *p_pic )
1353 {
1354     /* The order of operations is correct */
1355 #ifdef HAVE_SYS_SHM_H
1356     if( p_vout->p_sys->b_shm )
1357     {
1358         XShmDetach( p_vout->p_sys->p_display, &p_pic->p_sys->shminfo );
1359         IMAGE_FREE( p_pic->p_sys->p_image );
1360
1361         shmctl( p_pic->p_sys->shminfo.shmid, IPC_RMID, 0 );
1362         if( shmdt( p_pic->p_sys->shminfo.shmaddr ) )
1363         {
1364             msg_Err( p_vout, "cannot detach shared memory (%s)",
1365                              strerror(errno) );
1366         }
1367     }
1368     else
1369 #endif
1370     {
1371         IMAGE_FREE( p_pic->p_sys->p_image );
1372     }
1373
1374     /* Do NOT use XFlush here ! */
1375     XSync( p_vout->p_sys->p_display, False );
1376
1377     free( p_pic->p_sys );
1378 }
1379
1380 /*****************************************************************************
1381  * ToggleFullScreen: Enable or disable full screen mode
1382  *****************************************************************************
1383  * This function will switch between fullscreen and window mode.
1384  *****************************************************************************/
1385 static void ToggleFullScreen ( vout_thread_t *p_vout )
1386 {
1387     Atom prop;
1388     XEvent xevent;
1389     mwmhints_t mwmhints;
1390     XSetWindowAttributes attributes;
1391
1392 #ifdef HAVE_XINERAMA
1393     int i_d1, i_d2;
1394 #endif
1395
1396     p_vout->b_fullscreen = !p_vout->b_fullscreen;
1397
1398     if( p_vout->b_fullscreen )
1399     {
1400         msg_Dbg( p_vout, "entering fullscreen mode" );
1401
1402         p_vout->p_sys->b_altfullscreen =
1403             config_GetInt( p_vout, MODULE_STRING "-altfullscreen" );
1404
1405         XUnmapWindow( p_vout->p_sys->p_display,
1406                       p_vout->p_sys->p_win->base_window );
1407
1408         p_vout->p_sys->p_win = &p_vout->p_sys->fullscreen_window;
1409
1410         CreateWindow( p_vout, p_vout->p_sys->p_win );
1411         XDestroyWindow( p_vout->p_sys->p_display,
1412                         p_vout->p_sys->fullscreen_window.video_window );
1413         XReparentWindow( p_vout->p_sys->p_display,
1414                          p_vout->p_sys->original_window.video_window,
1415                          p_vout->p_sys->fullscreen_window.base_window, 0, 0 );
1416         p_vout->p_sys->fullscreen_window.video_window =
1417             p_vout->p_sys->original_window.video_window;
1418
1419         /* To my knowledge there are two ways to create a borderless window.
1420          * There's the generic way which is to tell x to bypass the window
1421          * manager, but this creates problems with the focus of other
1422          * applications.
1423          * The other way is to use the motif property "_MOTIF_WM_HINTS" which
1424          * luckily seems to be supported by most window managers. */
1425         if( !p_vout->p_sys->b_altfullscreen )
1426         {
1427             mwmhints.flags = MWM_HINTS_DECORATIONS;
1428             mwmhints.decorations = False;
1429
1430             prop = XInternAtom( p_vout->p_sys->p_display, "_MOTIF_WM_HINTS",
1431                                 False );
1432             XChangeProperty( p_vout->p_sys->p_display,
1433                              p_vout->p_sys->p_win->base_window,
1434                              prop, prop, 32, PropModeReplace,
1435                              (unsigned char *)&mwmhints,
1436                              PROP_MWM_HINTS_ELEMENTS );
1437         }
1438         else
1439         {
1440             /* brute force way to remove decorations */
1441             attributes.override_redirect = True;
1442             XChangeWindowAttributes( p_vout->p_sys->p_display,
1443                                      p_vout->p_sys->p_win->base_window,
1444                                      CWOverrideRedirect,
1445                                      &attributes);
1446
1447             /* Make sure the change is effective */
1448             XReparentWindow( p_vout->p_sys->p_display,
1449                              p_vout->p_sys->p_win->base_window,
1450                              DefaultRootWindow( p_vout->p_sys->p_display ),
1451                              0, 0 );
1452         }
1453
1454         if( p_vout->p_sys->b_net_wm_state_fullscreen )
1455         {
1456             XClientMessageEvent event;
1457
1458             memset( &event, 0, sizeof( XClientMessageEvent ) );
1459
1460             event.type = ClientMessage;
1461             event.message_type = p_vout->p_sys->net_wm_state;
1462             event.display = p_vout->p_sys->p_display;
1463             event.window = p_vout->p_sys->p_win->base_window;
1464             event.format = 32;
1465             event.data.l[ 0 ] = 1; /* set property */
1466             event.data.l[ 1 ] = p_vout->p_sys->net_wm_state_fullscreen;
1467
1468             XSendEvent( p_vout->p_sys->p_display,
1469                         DefaultRootWindow( p_vout->p_sys->p_display ),
1470                         False, SubstructureRedirectMask,
1471                         (XEvent*)&event );
1472         }
1473
1474         /* Make sure the change is effective */
1475         XReparentWindow( p_vout->p_sys->p_display,
1476                          p_vout->p_sys->p_win->base_window,
1477                          DefaultRootWindow( p_vout->p_sys->p_display ),
1478                          0, 0 );
1479
1480 #ifdef HAVE_XINERAMA
1481         if( XineramaQueryExtension( p_vout->p_sys->p_display, &i_d1, &i_d2 ) &&
1482             XineramaIsActive( p_vout->p_sys->p_display ) )
1483         {
1484             XineramaScreenInfo *screens;   /* infos for xinerama */
1485             int i_num_screens;
1486
1487             msg_Dbg( p_vout, "using XFree Xinerama extension");
1488
1489 #define SCREEN p_vout->p_sys->p_win->i_screen
1490
1491             /* Get Information about Xinerama (num of screens) */
1492             screens = XineramaQueryScreens( p_vout->p_sys->p_display,
1493                                             &i_num_screens );
1494
1495             if( !SCREEN )
1496                 SCREEN = config_GetInt( p_vout,
1497                                         MODULE_STRING "-xineramascreen" );
1498
1499             /* just check that user has entered a good value */
1500             if( SCREEN >= i_num_screens || SCREEN < 0 )
1501             {
1502                 msg_Dbg( p_vout, "requested screen number invalid" );
1503                 SCREEN = 0;
1504             }
1505
1506             /* Get the X/Y upper left corner coordinate of the above screen */
1507             p_vout->p_sys->p_win->i_x = screens[SCREEN].x_org;
1508             p_vout->p_sys->p_win->i_y = screens[SCREEN].y_org;
1509
1510             /* Set the Height/width to the screen resolution */
1511             p_vout->p_sys->p_win->i_width = screens[SCREEN].width;
1512             p_vout->p_sys->p_win->i_height = screens[SCREEN].height;
1513
1514             XFree(screens);
1515
1516 #undef SCREEN
1517
1518         }
1519         else
1520 #endif
1521         {
1522             /* The window wasn't necessarily created at the requested size */
1523             p_vout->p_sys->p_win->i_x = p_vout->p_sys->p_win->i_y = 0;
1524             p_vout->p_sys->p_win->i_width =
1525                 DisplayWidth( p_vout->p_sys->p_display,
1526                               p_vout->p_sys->i_screen );
1527             p_vout->p_sys->p_win->i_height =
1528                 DisplayHeight( p_vout->p_sys->p_display,
1529                                p_vout->p_sys->i_screen );
1530         }
1531
1532         XMoveResizeWindow( p_vout->p_sys->p_display,
1533                            p_vout->p_sys->p_win->base_window,
1534                            p_vout->p_sys->p_win->i_x,
1535                            p_vout->p_sys->p_win->i_y,
1536                            p_vout->p_sys->p_win->i_width,
1537                            p_vout->p_sys->p_win->i_height );
1538     }
1539     else
1540     {
1541         msg_Dbg( p_vout, "leaving fullscreen mode" );
1542
1543         XReparentWindow( p_vout->p_sys->p_display,
1544                          p_vout->p_sys->original_window.video_window,
1545                          p_vout->p_sys->original_window.base_window, 0, 0 );
1546
1547         p_vout->p_sys->fullscreen_window.video_window = None;
1548         DestroyWindow( p_vout, &p_vout->p_sys->fullscreen_window );
1549         p_vout->p_sys->p_win = &p_vout->p_sys->original_window;
1550
1551         XMapWindow( p_vout->p_sys->p_display,
1552                     p_vout->p_sys->p_win->base_window );
1553     }
1554
1555     /* Unfortunately, using XSync() here is not enough to ensure the
1556      * window has already been mapped because the XMapWindow() request
1557      * has not necessarily been sent directly to our window (remember,
1558      * the call is first redirected to the window manager) */
1559     do
1560     {
1561         XWindowEvent( p_vout->p_sys->p_display,
1562                       p_vout->p_sys->p_win->base_window,
1563                       StructureNotifyMask, &xevent );
1564     } while( xevent.type != MapNotify );
1565
1566     /* Be careful, this can generate a BadMatch error if the window is not
1567      * already mapped by the server (see above) */
1568     XSetInputFocus(p_vout->p_sys->p_display,
1569                    p_vout->p_sys->p_win->base_window,
1570                    RevertToParent,
1571                    CurrentTime);
1572
1573     /* signal that the size needs to be updated */
1574     p_vout->i_changes |= VOUT_SIZE_CHANGE;
1575 }
1576
1577 /*****************************************************************************
1578  * EnableXScreenSaver: enable screen saver
1579  *****************************************************************************
1580  * This function enables the screen saver on a display after it has been
1581  * disabled by XDisableScreenSaver.
1582  * FIXME: what happens if multiple vlc sessions are running at the same
1583  *        time ???
1584  *****************************************************************************/
1585 static void EnableXScreenSaver( vout_thread_t *p_vout )
1586 {
1587 #ifdef DPMSINFO_IN_DPMS_H
1588     int dummy;
1589 #endif
1590
1591     if( p_vout->p_sys->i_ss_timeout )
1592     {
1593         XSetScreenSaver( p_vout->p_sys->p_display, p_vout->p_sys->i_ss_timeout,
1594                          p_vout->p_sys->i_ss_interval,
1595                          p_vout->p_sys->i_ss_blanking,
1596                          p_vout->p_sys->i_ss_exposure );
1597     }
1598
1599     /* Restore DPMS settings */
1600 #ifdef DPMSINFO_IN_DPMS_H
1601     if( DPMSQueryExtension( p_vout->p_sys->p_display, &dummy, &dummy ) )
1602     {
1603         if( p_vout->p_sys->b_ss_dpms )
1604         {
1605             DPMSEnable( p_vout->p_sys->p_display );
1606         }
1607     }
1608 #endif
1609 }
1610
1611 /*****************************************************************************
1612  * DisableXScreenSaver: disable screen saver
1613  *****************************************************************************
1614  * See XEnableXScreenSaver
1615  *****************************************************************************/
1616 static void DisableXScreenSaver( vout_thread_t *p_vout )
1617 {
1618 #ifdef DPMSINFO_IN_DPMS_H
1619     int dummy;
1620 #endif
1621
1622     /* Save screen saver information */
1623     XGetScreenSaver( p_vout->p_sys->p_display, &p_vout->p_sys->i_ss_timeout,
1624                      &p_vout->p_sys->i_ss_interval,
1625                      &p_vout->p_sys->i_ss_blanking,
1626                      &p_vout->p_sys->i_ss_exposure );
1627
1628     /* Disable screen saver */
1629     if( p_vout->p_sys->i_ss_timeout )
1630     {
1631         XSetScreenSaver( p_vout->p_sys->p_display, 0,
1632                          p_vout->p_sys->i_ss_interval,
1633                          p_vout->p_sys->i_ss_blanking,
1634                          p_vout->p_sys->i_ss_exposure );
1635     }
1636
1637     /* Disable DPMS */
1638 #ifdef DPMSINFO_IN_DPMS_H
1639     if( DPMSQueryExtension( p_vout->p_sys->p_display, &dummy, &dummy ) )
1640     {
1641         CARD16 unused;
1642         /* Save DPMS current state */
1643         DPMSInfo( p_vout->p_sys->p_display, &unused,
1644                   &p_vout->p_sys->b_ss_dpms );
1645         DPMSDisable( p_vout->p_sys->p_display );
1646    }
1647 #endif
1648 }
1649
1650 /*****************************************************************************
1651  * CreateCursor: create a blank mouse pointer
1652  *****************************************************************************/
1653 static void CreateCursor( vout_thread_t *p_vout )
1654 {
1655     XColor cursor_color;
1656
1657     p_vout->p_sys->cursor_pixmap =
1658         XCreatePixmap( p_vout->p_sys->p_display,
1659                        DefaultRootWindow( p_vout->p_sys->p_display ),
1660                        1, 1, 1 );
1661
1662     XParseColor( p_vout->p_sys->p_display,
1663                  XCreateColormap( p_vout->p_sys->p_display,
1664                                   DefaultRootWindow(
1665                                                     p_vout->p_sys->p_display ),
1666                                   DefaultVisual(
1667                                                 p_vout->p_sys->p_display,
1668                                                 p_vout->p_sys->i_screen ),
1669                                   AllocNone ),
1670                  "black", &cursor_color );
1671
1672     p_vout->p_sys->blank_cursor =
1673         XCreatePixmapCursor( p_vout->p_sys->p_display,
1674                              p_vout->p_sys->cursor_pixmap,
1675                              p_vout->p_sys->cursor_pixmap,
1676                              &cursor_color, &cursor_color, 1, 1 );
1677 }
1678
1679 /*****************************************************************************
1680  * DestroyCursor: destroy the blank mouse pointer
1681  *****************************************************************************/
1682 static void DestroyCursor( vout_thread_t *p_vout )
1683 {
1684     XFreePixmap( p_vout->p_sys->p_display, p_vout->p_sys->cursor_pixmap );
1685 }
1686
1687 /*****************************************************************************
1688  * ToggleCursor: hide or show the mouse pointer
1689  *****************************************************************************
1690  * This function hides the X pointer if it is visible by setting the pointer
1691  * sprite to a blank one. To show it again, we disable the sprite.
1692  *****************************************************************************/
1693 static void ToggleCursor( vout_thread_t *p_vout )
1694 {
1695     if( p_vout->p_sys->b_mouse_pointer_visible )
1696     {
1697         XDefineCursor( p_vout->p_sys->p_display,
1698                        p_vout->p_sys->p_win->base_window,
1699                        p_vout->p_sys->blank_cursor );
1700         p_vout->p_sys->b_mouse_pointer_visible = 0;
1701     }
1702     else
1703     {
1704         XUndefineCursor( p_vout->p_sys->p_display,
1705                          p_vout->p_sys->p_win->base_window );
1706         p_vout->p_sys->b_mouse_pointer_visible = 1;
1707     }
1708 }
1709
1710 #ifdef MODULE_NAME_IS_xvideo
1711 /*****************************************************************************
1712  * XVideoGetPort: get YUV12 port
1713  *****************************************************************************/
1714 static int XVideoGetPort( vout_thread_t *p_vout,
1715                           vlc_fourcc_t i_chroma, vlc_fourcc_t *pi_newchroma )
1716 {
1717     XvAdaptorInfo *p_adaptor;
1718     unsigned int i;
1719     int i_adaptor, i_num_adaptors, i_requested_adaptor;
1720     int i_selected_port;
1721
1722     switch( XvQueryExtension( p_vout->p_sys->p_display, &i, &i, &i, &i, &i ) )
1723     {
1724         case Success:
1725             break;
1726
1727         case XvBadExtension:
1728             msg_Warn( p_vout, "XvBadExtension" );
1729             return -1;
1730
1731         case XvBadAlloc:
1732             msg_Warn( p_vout, "XvBadAlloc" );
1733             return -1;
1734
1735         default:
1736             msg_Warn( p_vout, "XvQueryExtension failed" );
1737             return -1;
1738     }
1739
1740     switch( XvQueryAdaptors( p_vout->p_sys->p_display,
1741                              DefaultRootWindow( p_vout->p_sys->p_display ),
1742                              &i_num_adaptors, &p_adaptor ) )
1743     {
1744         case Success:
1745             break;
1746
1747         case XvBadExtension:
1748             msg_Warn( p_vout, "XvBadExtension for XvQueryAdaptors" );
1749             return -1;
1750
1751         case XvBadAlloc:
1752             msg_Warn( p_vout, "XvBadAlloc for XvQueryAdaptors" );
1753             return -1;
1754
1755         default:
1756             msg_Warn( p_vout, "XvQueryAdaptors failed" );
1757             return -1;
1758     }
1759
1760     i_selected_port = -1;
1761     i_requested_adaptor = config_GetInt( p_vout, "xvideo-adaptor" );
1762
1763     for( i_adaptor = 0; i_adaptor < i_num_adaptors; ++i_adaptor )
1764     {
1765         XvImageFormatValues *p_formats;
1766         int i_format, i_num_formats;
1767         int i_port;
1768
1769         /* If we requested an adaptor and it's not this one, we aren't
1770          * interested */
1771         if( i_requested_adaptor != -1 && i_adaptor != i_requested_adaptor )
1772         {
1773             continue;
1774         }
1775
1776         /* If the adaptor doesn't have the required properties, skip it */
1777         if( !( p_adaptor[ i_adaptor ].type & XvInputMask ) ||
1778             !( p_adaptor[ i_adaptor ].type & XvImageMask ) )
1779         {
1780             continue;
1781         }
1782
1783         /* Check that adaptor supports our requested format... */
1784         p_formats = XvListImageFormats( p_vout->p_sys->p_display,
1785                                         p_adaptor[i_adaptor].base_id,
1786                                         &i_num_formats );
1787
1788         for( i_format = 0;
1789              i_format < i_num_formats && ( i_selected_port == -1 );
1790              i_format++ )
1791         {
1792             XvAttribute     *p_attr;
1793             int             i_attr, i_num_attributes;
1794
1795             /* If this is not the format we want, or at least a
1796              * similar one, forget it */
1797             if( !vout_ChromaCmp( p_formats[ i_format ].id, i_chroma ) )
1798             {
1799                 continue;
1800             }
1801
1802             /* Look for the first available port supporting this format */
1803             for( i_port = p_adaptor[i_adaptor].base_id;
1804                  ( i_port < (int)(p_adaptor[i_adaptor].base_id
1805                                    + p_adaptor[i_adaptor].num_ports) )
1806                    && ( i_selected_port == -1 );
1807                  i_port++ )
1808             {
1809                 if( XvGrabPort( p_vout->p_sys->p_display, i_port, CurrentTime )
1810                      == Success )
1811                 {
1812                     i_selected_port = i_port;
1813                     *pi_newchroma = p_formats[ i_format ].id;
1814                 }
1815             }
1816
1817             /* If no free port was found, forget it */
1818             if( i_selected_port == -1 )
1819             {
1820                 continue;
1821             }
1822
1823             /* If we found a port, print information about it */
1824             msg_Dbg( p_vout, "adaptor %i, port %i, format 0x%x (%4.4s) %s",
1825                      i_adaptor, i_selected_port, p_formats[ i_format ].id,
1826                      (char *)&p_formats[ i_format ].id,
1827                      ( p_formats[ i_format ].format == XvPacked ) ?
1828                          "packed" : "planar" );
1829
1830             /* Make sure XV_AUTOPAINT_COLORKEY is set */
1831             p_attr = XvQueryPortAttributes( p_vout->p_sys->p_display,
1832                                             i_selected_port,
1833                                             &i_num_attributes );
1834
1835             for( i_attr = 0; i_attr < i_num_attributes; i_attr++ )
1836             {
1837                 if( !strcmp( p_attr[i_attr].name, "XV_AUTOPAINT_COLORKEY" ) )
1838                 {
1839                     const Atom autopaint =
1840                         XInternAtom( p_vout->p_sys->p_display,
1841                                      "XV_AUTOPAINT_COLORKEY", False );
1842                     XvSetPortAttribute( p_vout->p_sys->p_display,
1843                                         i_selected_port, autopaint, 1 );
1844                     break;
1845                 }
1846             }
1847
1848             if( p_attr != NULL )
1849             {
1850                 XFree( p_attr );
1851             }
1852         }
1853
1854         if( p_formats != NULL )
1855         {
1856             XFree( p_formats );
1857         }
1858
1859     }
1860
1861     if( i_num_adaptors > 0 )
1862     {
1863         XvFreeAdaptorInfo( p_adaptor );
1864     }
1865
1866     if( i_selected_port == -1 )
1867     {
1868         int i_chroma_tmp = X112VLC_FOURCC( i_chroma );
1869         if( i_requested_adaptor == -1 )
1870         {
1871             msg_Warn( p_vout, "no free XVideo port found for format "
1872                       "0x%.8x (%4.4s)", i_chroma_tmp, (char*)&i_chroma_tmp );
1873         }
1874         else
1875         {
1876             msg_Warn( p_vout, "XVideo adaptor %i does not have a free "
1877                       "XVideo port for format 0x%.8x (%4.4s)",
1878                       i_requested_adaptor, i_chroma_tmp, (char*)&i_chroma_tmp );
1879         }
1880     }
1881
1882     return i_selected_port;
1883 }
1884
1885 /*****************************************************************************
1886  * XVideoReleasePort: release YUV12 port
1887  *****************************************************************************/
1888 static void XVideoReleasePort( vout_thread_t *p_vout, int i_port )
1889 {
1890     XvUngrabPort( p_vout->p_sys->p_display, i_port, CurrentTime );
1891 }
1892 #endif
1893
1894 /*****************************************************************************
1895  * InitDisplay: open and initialize X11 device
1896  *****************************************************************************
1897  * Create a window according to video output given size, and set other
1898  * properties according to the display properties.
1899  *****************************************************************************/
1900 static int InitDisplay( vout_thread_t *p_vout )
1901 {
1902 #ifdef MODULE_NAME_IS_x11
1903     XPixmapFormatValues *       p_formats;                 /* pixmap formats */
1904     XVisualInfo *               p_xvisual;            /* visuals information */
1905     XVisualInfo                 xvisual_template;         /* visual template */
1906     int                         i_count;                       /* array size */
1907 #endif
1908
1909 #ifdef HAVE_SYS_SHM_H
1910     p_vout->p_sys->b_shm = 0;
1911
1912     if( config_GetInt( p_vout, MODULE_STRING "-shm" ) )
1913     {
1914 #   ifdef SYS_DARWIN
1915         /* FIXME: As of 2001-03-16, XFree4 for MacOS X does not support Xshm */
1916 #   else
1917         p_vout->p_sys->b_shm =
1918                   ( XShmQueryExtension( p_vout->p_sys->p_display ) == True );
1919 #   endif
1920
1921         if( !p_vout->p_sys->b_shm )
1922         {
1923             msg_Warn( p_vout, "XShm video extension is unavailable" );
1924         }
1925     }
1926     else
1927     {
1928         msg_Dbg( p_vout, "disabling XShm video extension" );
1929     }
1930
1931 #else
1932     msg_Warn( p_vout, "XShm video extension is unavailable" );
1933
1934 #endif
1935
1936 #ifdef MODULE_NAME_IS_xvideo
1937     /* XXX The brightness and contrast values should be read from environment
1938      * XXX variables... */
1939 #if 0
1940     XVideoSetAttribute( p_vout, "XV_BRIGHTNESS", 0.5 );
1941     XVideoSetAttribute( p_vout, "XV_CONTRAST",   0.5 );
1942 #endif
1943 #endif
1944
1945 #ifdef MODULE_NAME_IS_x11
1946     /* Initialize structure */
1947     p_vout->p_sys->i_screen = DefaultScreen( p_vout->p_sys->p_display );
1948
1949     /* Get screen depth */
1950     p_vout->p_sys->i_screen_depth = XDefaultDepth( p_vout->p_sys->p_display,
1951                                                    p_vout->p_sys->i_screen );
1952     switch( p_vout->p_sys->i_screen_depth )
1953     {
1954     case 8:
1955         /*
1956          * Screen depth is 8bpp. Use PseudoColor visual with private colormap.
1957          */
1958         xvisual_template.screen =   p_vout->p_sys->i_screen;
1959         xvisual_template.class =    DirectColor;
1960         p_xvisual = XGetVisualInfo( p_vout->p_sys->p_display,
1961                                     VisualScreenMask | VisualClassMask,
1962                                     &xvisual_template, &i_count );
1963         if( p_xvisual == NULL )
1964         {
1965             msg_Err( p_vout, "no PseudoColor visual available" );
1966             return VLC_EGENERIC;
1967         }
1968         p_vout->p_sys->i_bytes_per_pixel = 1;
1969         p_vout->output.pf_setpalette = SetPalette;
1970         break;
1971     case 15:
1972     case 16:
1973     case 24:
1974     default:
1975         /*
1976          * Screen depth is higher than 8bpp. TrueColor visual is used.
1977          */
1978         xvisual_template.screen =   p_vout->p_sys->i_screen;
1979         xvisual_template.class =    TrueColor;
1980         p_xvisual = XGetVisualInfo( p_vout->p_sys->p_display,
1981                                     VisualScreenMask | VisualClassMask,
1982                                     &xvisual_template, &i_count );
1983         if( p_xvisual == NULL )
1984         {
1985             msg_Err( p_vout, "no TrueColor visual available" );
1986             return VLC_EGENERIC;
1987         }
1988
1989         p_vout->output.i_rmask = p_xvisual->red_mask;
1990         p_vout->output.i_gmask = p_xvisual->green_mask;
1991         p_vout->output.i_bmask = p_xvisual->blue_mask;
1992
1993         /* There is no difference yet between 3 and 4 Bpp. The only way
1994          * to find the actual number of bytes per pixel is to list supported
1995          * pixmap formats. */
1996         p_formats = XListPixmapFormats( p_vout->p_sys->p_display, &i_count );
1997         p_vout->p_sys->i_bytes_per_pixel = 0;
1998
1999         for( ; i_count-- ; p_formats++ )
2000         {
2001             /* Under XFree4.0, the list contains pixmap formats available
2002              * through all video depths ; so we have to check against current
2003              * depth. */
2004             if( p_formats->depth == (int)p_vout->p_sys->i_screen_depth )
2005             {
2006                 if( p_formats->bits_per_pixel / 8
2007                         > (int)p_vout->p_sys->i_bytes_per_pixel )
2008                 {
2009                     p_vout->p_sys->i_bytes_per_pixel =
2010                                                p_formats->bits_per_pixel / 8;
2011                 }
2012             }
2013         }
2014         break;
2015     }
2016     p_vout->p_sys->p_visual = p_xvisual->visual;
2017     XFree( p_xvisual );
2018 #endif
2019
2020     return VLC_SUCCESS;
2021 }
2022
2023 #ifdef HAVE_SYS_SHM_H
2024 /*****************************************************************************
2025  * CreateShmImage: create an XImage or XvImage using shared memory extension
2026  *****************************************************************************
2027  * Prepare an XImage or XvImage for display function.
2028  * The order of the operations respects the recommandations of the mit-shm
2029  * document by J.Corbet and K.Packard. Most of the parameters were copied from
2030  * there. See http://ftp.xfree86.org/pub/XFree86/4.0/doc/mit-shm.TXT
2031  *****************************************************************************/
2032 static IMAGE_TYPE * CreateShmImage( vout_thread_t *p_vout,
2033                                     Display* p_display, EXTRA_ARGS_SHM,
2034                                     int i_width, int i_height )
2035 {
2036     IMAGE_TYPE *p_image;
2037     Status result;
2038
2039     /* Create XImage / XvImage */
2040 #ifdef MODULE_NAME_IS_xvideo
2041
2042     /* Make sure the buffer is aligned to multiple of 16 */
2043     i_height = ( i_height + 15 ) >> 4 << 4;
2044     i_width = ( i_width + 15 ) >> 4 << 4;
2045
2046     p_image = XvShmCreateImage( p_display, i_xvport, i_chroma, 0,
2047                                 i_width, i_height, p_shm );
2048 #else
2049     p_image = XShmCreateImage( p_display, p_visual, i_depth, ZPixmap, 0,
2050                                p_shm, i_width, i_height );
2051 #endif
2052     if( p_image == NULL )
2053     {
2054         msg_Err( p_vout, "image creation failed" );
2055         return NULL;
2056     }
2057
2058     /* Allocate shared memory segment - 0776 set the access permission
2059      * rights (like umask), they are not yet supported by all X servers */
2060     p_shm->shmid = shmget( IPC_PRIVATE, DATA_SIZE(p_image), IPC_CREAT | 0776 );
2061     if( p_shm->shmid < 0 )
2062     {
2063         msg_Err( p_vout, "cannot allocate shared image data (%s)",
2064                          strerror( errno ) );
2065         IMAGE_FREE( p_image );
2066         return NULL;
2067     }
2068
2069     /* Attach shared memory segment to process (read/write) */
2070     p_shm->shmaddr = p_image->data = shmat( p_shm->shmid, 0, 0 );
2071     if(! p_shm->shmaddr )
2072     {
2073         msg_Err( p_vout, "cannot attach shared memory (%s)",
2074                          strerror(errno));
2075         IMAGE_FREE( p_image );
2076         shmctl( p_shm->shmid, IPC_RMID, 0 );
2077         return NULL;
2078     }
2079
2080     /* Read-only data. We won't be using XShmGetImage */
2081     p_shm->readOnly = True;
2082
2083     /* Attach shared memory segment to X server */
2084     XSynchronize( p_display, True );
2085     b_shm = VLC_TRUE;
2086     result = XShmAttach( p_display, p_shm );
2087     if( result == False || !b_shm )
2088     {
2089         msg_Err( p_vout, "cannot attach shared memory to X server" );
2090         IMAGE_FREE( p_image );
2091         shmctl( p_shm->shmid, IPC_RMID, 0 );
2092         shmdt( p_shm->shmaddr );
2093         return NULL;
2094     }
2095     XSynchronize( p_display, False );
2096
2097     /* Send image to X server. This instruction is required, since having
2098      * built a Shm XImage and not using it causes an error on XCloseDisplay,
2099      * and remember NOT to use XFlush ! */
2100     XSync( p_display, False );
2101
2102 #if 0
2103     /* Mark the shm segment to be removed when there are no more
2104      * attachements, so it is automatic on process exit or after shmdt */
2105     shmctl( p_shm->shmid, IPC_RMID, 0 );
2106 #endif
2107
2108     return p_image;
2109 }
2110 #endif
2111
2112 /*****************************************************************************
2113  * CreateImage: create an XImage or XvImage
2114  *****************************************************************************
2115  * Create a simple image used as a buffer.
2116  *****************************************************************************/
2117 static IMAGE_TYPE * CreateImage( vout_thread_t *p_vout,
2118                                  Display *p_display, EXTRA_ARGS,
2119                                  int i_width, int i_height )
2120 {
2121     byte_t *    p_data;                           /* image data storage zone */
2122     IMAGE_TYPE *p_image;
2123 #ifdef MODULE_NAME_IS_x11
2124     int         i_quantum;                     /* XImage quantum (see below) */
2125     int         i_bytes_per_line;
2126 #endif
2127
2128     /* Allocate memory for image */
2129 #ifdef MODULE_NAME_IS_xvideo
2130
2131     /* Make sure the buffer is aligned to multiple of 16 */
2132     i_height = ( i_height + 15 ) >> 4 << 4;
2133     i_width = ( i_width + 15 ) >> 4 << 4;
2134
2135     p_data = (byte_t *) malloc( i_width * i_height * i_bits_per_pixel / 8 );
2136 #elif defined(MODULE_NAME_IS_x11)
2137     i_bytes_per_line = i_width * i_bytes_per_pixel;
2138     p_data = (byte_t *) malloc( i_bytes_per_line * i_height );
2139 #endif
2140     if( !p_data )
2141     {
2142         msg_Err( p_vout, "out of memory" );
2143         return NULL;
2144     }
2145
2146 #ifdef MODULE_NAME_IS_x11
2147     /* Optimize the quantum of a scanline regarding its size - the quantum is
2148        a diviser of the number of bits between the start of two scanlines. */
2149     if( i_bytes_per_line & 0xf )
2150     {
2151         i_quantum = 0x8;
2152     }
2153     else if( i_bytes_per_line & 0x10 )
2154     {
2155         i_quantum = 0x10;
2156     }
2157     else
2158     {
2159         i_quantum = 0x20;
2160     }
2161 #endif
2162
2163     /* Create XImage. p_data will be automatically freed */
2164 #ifdef MODULE_NAME_IS_xvideo
2165     p_image = XvCreateImage( p_display, i_xvport, i_chroma,
2166                              p_data, i_width, i_height );
2167 #elif defined(MODULE_NAME_IS_x11)
2168     p_image = XCreateImage( p_display, p_visual, i_depth, ZPixmap, 0,
2169                             p_data, i_width, i_height, i_quantum, 0 );
2170 #endif
2171     if( p_image == NULL )
2172     {
2173         msg_Err( p_vout, "XCreateImage() failed" );
2174         free( p_data );
2175         return NULL;
2176     }
2177
2178     return p_image;
2179 }
2180
2181 /*****************************************************************************
2182  * X11ErrorHandler: replace error handler so we can intercept some of them
2183  *****************************************************************************/
2184 static int X11ErrorHandler( Display * display, XErrorEvent * event )
2185 {
2186     /* Ingnore errors on XSetInputFocus()
2187      * (they happen when a window is not yet mapped) */
2188     if( event->request_code == X_SetInputFocus )
2189     {
2190         fprintf(stderr, "XSetInputFocus failed\n");
2191         return 0;
2192     }
2193
2194     if( event->request_code == 150 /* MIT-SHM */ &&
2195         event->minor_code == X_ShmAttach )
2196     {
2197         fprintf(stderr, "XShmAttach failed\n");
2198         b_shm = VLC_FALSE;
2199         return 0;
2200     }
2201
2202     XSetErrorHandler(NULL);
2203     return (XSetErrorHandler(X11ErrorHandler))( display, event );
2204 }
2205
2206 #ifdef MODULE_NAME_IS_x11
2207 /*****************************************************************************
2208  * SetPalette: sets an 8 bpp palette
2209  *****************************************************************************
2210  * This function sets the palette given as an argument. It does not return
2211  * anything, but could later send information on which colors it was unable
2212  * to set.
2213  *****************************************************************************/
2214 static void SetPalette( vout_thread_t *p_vout,
2215                         uint16_t *red, uint16_t *green, uint16_t *blue )
2216 {
2217     int i;
2218     XColor p_colors[255];
2219
2220     /* allocate palette */
2221     for( i = 0; i < 255; i++ )
2222     {
2223         /* kludge: colors are indexed reversely because color 255 seems
2224          * to be reserved for black even if we try to set it to white */
2225         p_colors[ i ].pixel = 255 - i;
2226         p_colors[ i ].pad   = 0;
2227         p_colors[ i ].flags = DoRed | DoGreen | DoBlue;
2228         p_colors[ i ].red   = red[ 255 - i ];
2229         p_colors[ i ].blue  = blue[ 255 - i ];
2230         p_colors[ i ].green = green[ 255 - i ];
2231     }
2232
2233     XStoreColors( p_vout->p_sys->p_display,
2234                   p_vout->p_sys->colormap, p_colors, 255 );
2235 }
2236 #endif
2237
2238 /*****************************************************************************
2239  * Control: control facility for the vout
2240  *****************************************************************************/
2241 static int Control( vout_thread_t *p_vout, int i_query, va_list args )
2242 {
2243     double f_arg;
2244     vlc_bool_t b_arg;
2245
2246     switch( i_query )
2247     {
2248         case VOUT_SET_ZOOM:
2249             if( p_vout->p_sys->p_win->owner_window )
2250                 return vout_ControlWindow( p_vout,
2251                     (void *)p_vout->p_sys->p_win->owner_window, i_query, args);
2252
2253             f_arg = va_arg( args, double );
2254
2255             vlc_mutex_lock( &p_vout->p_sys->lock );
2256
2257             /* Update dimensions */
2258             /* FIXME: export InitWindowSize() from vout core */
2259             XResizeWindow( p_vout->p_sys->p_display,
2260                            p_vout->p_sys->p_win->base_window,
2261                            p_vout->i_window_width * f_arg,
2262                            p_vout->i_window_height * f_arg );
2263
2264             vlc_mutex_unlock( &p_vout->p_sys->lock );
2265             return VLC_SUCCESS;
2266
2267        case VOUT_CLOSE:
2268             vlc_mutex_lock( &p_vout->p_sys->lock );
2269             XUnmapWindow( p_vout->p_sys->p_display,
2270                           p_vout->p_sys->original_window.base_window );
2271             vlc_mutex_unlock( &p_vout->p_sys->lock );
2272             /* Fall through */
2273
2274        case VOUT_REPARENT:
2275             vlc_mutex_lock( &p_vout->p_sys->lock );
2276             XReparentWindow( p_vout->p_sys->p_display,
2277                              p_vout->p_sys->original_window.base_window,
2278                              DefaultRootWindow( p_vout->p_sys->p_display ),
2279                              0, 0 );
2280             XSync( p_vout->p_sys->p_display, False );
2281             p_vout->p_sys->original_window.owner_window = 0;
2282             vlc_mutex_unlock( &p_vout->p_sys->lock );
2283             return vout_vaControlDefault( p_vout, i_query, args );
2284
2285         case VOUT_SET_STAY_ON_TOP:
2286             if( p_vout->p_sys->p_win->owner_window )
2287                 return vout_ControlWindow( p_vout,
2288                     (void *)p_vout->p_sys->p_win->owner_window, i_query, args);
2289
2290             b_arg = va_arg( args, vlc_bool_t );
2291             vlc_mutex_lock( &p_vout->p_sys->lock );
2292             WindowOnTop( p_vout, b_arg );
2293             vlc_mutex_unlock( &p_vout->p_sys->lock );
2294             return VLC_SUCCESS;
2295
2296        default:
2297             return vout_vaControlDefault( p_vout, i_query, args );
2298     }
2299 }
2300
2301 /*****************************************************************************
2302  * TestNetWMSupport: tests for Extended Window Manager Hints support
2303  *****************************************************************************/
2304 static void TestNetWMSupport( vout_thread_t *p_vout )
2305 {
2306     int i_ret, i_format;
2307     unsigned long i, i_items, i_bytesafter;
2308     Atom net_wm_supported;
2309     union { Atom *p_atom; unsigned char *p_char; } p_args;
2310
2311     p_args.p_atom = NULL;
2312
2313     p_vout->p_sys->b_net_wm_state_fullscreen = VLC_FALSE;
2314     p_vout->p_sys->b_net_wm_state_above = VLC_FALSE;
2315     p_vout->p_sys->b_net_wm_state_below = VLC_FALSE;
2316     p_vout->p_sys->b_net_wm_state_stays_on_top = VLC_FALSE;
2317
2318     net_wm_supported =
2319         XInternAtom( p_vout->p_sys->p_display, "_NET_SUPPORTED", False );
2320
2321     i_ret = XGetWindowProperty( p_vout->p_sys->p_display,
2322                                 DefaultRootWindow( p_vout->p_sys->p_display ),
2323                                 net_wm_supported,
2324                                 0, 16384, False, AnyPropertyType,
2325                                 &net_wm_supported,
2326                                 &i_format, &i_items, &i_bytesafter,
2327                                 (unsigned char **)&p_args );
2328
2329     if( i_ret != Success || i_items == 0 ) return;
2330
2331     msg_Dbg( p_vout, "Window manager supports NetWM" );
2332
2333     p_vout->p_sys->net_wm_state =
2334         XInternAtom( p_vout->p_sys->p_display, "_NET_WM_STATE", False );
2335     p_vout->p_sys->net_wm_state_fullscreen =
2336         XInternAtom( p_vout->p_sys->p_display, "_NET_WM_STATE_FULLSCREEN",
2337                      False );
2338     p_vout->p_sys->net_wm_state_above =
2339         XInternAtom( p_vout->p_sys->p_display, "_NET_WM_STATE_ABOVE", False );
2340     p_vout->p_sys->net_wm_state_below =
2341         XInternAtom( p_vout->p_sys->p_display, "_NET_WM_STATE_BELOW", False );
2342     p_vout->p_sys->net_wm_state_stays_on_top =
2343         XInternAtom( p_vout->p_sys->p_display, "_NET_WM_STATE_STAYS_ON_TOP",
2344                      False );
2345
2346     for( i = 0; i < i_items; i++ )
2347     {
2348         if( p_args.p_atom[i] == p_vout->p_sys->net_wm_state_fullscreen )
2349         {
2350             msg_Dbg( p_vout,
2351                      "Window manager supports _NET_WM_STATE_FULLSCREEN" );
2352             p_vout->p_sys->b_net_wm_state_fullscreen = VLC_TRUE;
2353         }
2354         else if( p_args.p_atom[i] == p_vout->p_sys->net_wm_state_above )
2355         {
2356             msg_Dbg( p_vout, "Window manager supports _NET_WM_STATE_ABOVE" );
2357             p_vout->p_sys->b_net_wm_state_above = VLC_TRUE;
2358         }
2359         else if( p_args.p_atom[i] == p_vout->p_sys->net_wm_state_below )
2360         {
2361             msg_Dbg( p_vout, "Window manager supports _NET_WM_STATE_BELOW" );
2362             p_vout->p_sys->b_net_wm_state_below = VLC_TRUE;
2363         }
2364         else if( p_args.p_atom[i] == p_vout->p_sys->net_wm_state_stays_on_top )
2365         {
2366             msg_Dbg( p_vout,
2367                      "Window manager supports _NET_WM_STATE_STAYS_ON_TOP" );
2368             p_vout->p_sys->b_net_wm_state_stays_on_top = VLC_TRUE;
2369         }
2370     }
2371
2372     XFree( p_args.p_atom );
2373 }
2374
2375 /*****************************************************************************
2376  * Key events handling
2377  *****************************************************************************/
2378 static struct
2379 {
2380     int i_x11key;
2381     int i_vlckey;
2382
2383 } x11keys_to_vlckeys[] =
2384 {
2385     { XK_F1, KEY_F1 }, { XK_F2, KEY_F2 }, { XK_F3, KEY_F3 }, { XK_F4, KEY_F4 },
2386     { XK_F5, KEY_F5 }, { XK_F6, KEY_F6 }, { XK_F7, KEY_F7 }, { XK_F8, KEY_F8 },
2387     { XK_F9, KEY_F9 }, { XK_F10, KEY_F10 }, { XK_F11, KEY_F11 },
2388     { XK_F12, KEY_F12 },
2389
2390     { XK_Return, KEY_ENTER },
2391     { XK_KP_Enter, KEY_ENTER },
2392     { XK_space, KEY_SPACE },
2393     { XK_Escape, KEY_ESC },
2394
2395     { XK_Menu, KEY_MENU },
2396     { XK_Left, KEY_LEFT },
2397     { XK_Right, KEY_RIGHT },
2398     { XK_Up, KEY_UP },
2399     { XK_Down, KEY_DOWN },
2400
2401     { XK_Home, KEY_HOME },
2402     { XK_End, KEY_END },
2403     { XK_Page_Up, KEY_PAGEUP },
2404     { XK_Page_Down, KEY_PAGEDOWN },
2405
2406     { XK_Insert, KEY_INSERT },
2407     { XK_Delete, KEY_DELETE },
2408
2409     { 0, 0 }
2410 };
2411
2412 static int ConvertKey( int i_key )
2413 {
2414     int i;
2415
2416     for( i = 0; x11keys_to_vlckeys[i].i_x11key != 0; i++ )
2417     {
2418         if( x11keys_to_vlckeys[i].i_x11key == i_key )
2419         {
2420             return x11keys_to_vlckeys[i].i_vlckey;
2421         }
2422     }
2423
2424     return 0;
2425 }
2426
2427 /*****************************************************************************
2428  * WindowOnTop: Switches the "always on top" state of the video window.
2429  *****************************************************************************/
2430 static int WindowOnTop( vout_thread_t *p_vout, vlc_bool_t b_on_top )
2431 {
2432     if( p_vout->p_sys->b_net_wm_state_stays_on_top )
2433     {
2434         XClientMessageEvent event;
2435
2436         memset( &event, 0, sizeof( XClientMessageEvent ) );
2437
2438         event.type = ClientMessage;
2439         event.message_type = p_vout->p_sys->net_wm_state;
2440         event.display = p_vout->p_sys->p_display;
2441         event.window = p_vout->p_sys->p_win->base_window;
2442         event.format = 32;
2443         event.data.l[ 0 ] = b_on_top; /* set property */
2444         event.data.l[ 1 ] = p_vout->p_sys->net_wm_state_stays_on_top;
2445
2446         XSendEvent( p_vout->p_sys->p_display,
2447                     DefaultRootWindow( p_vout->p_sys->p_display ),
2448                     False, SubstructureRedirectMask,
2449                     (XEvent*)&event );
2450     }
2451
2452     return VLC_SUCCESS;
2453 }