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., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, 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->fmt_out.i_visible_width,
 409                        &p_vout->fmt_out.i_visible_height );
 410
 411     p_vout->fmt_out.i_chroma = p_vout->output.i_chroma;
 412
 413     p_vout->output.i_width = p_vout->fmt_out.i_width =
 414         p_vout->fmt_out.i_visible_width * p_vout->fmt_in.i_width /
 415         p_vout->fmt_in.i_visible_width;
 416     p_vout->output.i_height = p_vout->fmt_out.i_height =
 417         p_vout->fmt_out.i_visible_height * p_vout->fmt_in.i_height /
 418         p_vout->fmt_in.i_visible_height;
 419     p_vout->fmt_out.i_x_offset =
 420         p_vout->fmt_out.i_visible_width * p_vout->fmt_in.i_x_offset /
 421         p_vout->fmt_in.i_visible_width;
 422     p_vout->fmt_out.i_y_offset =
 423         p_vout->fmt_out.i_visible_height * p_vout->fmt_in.i_y_offset /
 424         p_vout->fmt_in.i_visible_height;
 425
 426     p_vout->fmt_out.i_sar_num = p_vout->fmt_out.i_sar_den = 1;
 427     p_vout->output.i_aspect = p_vout->fmt_out.i_aspect =
 428         p_vout->fmt_out.i_width * VOUT_ASPECT_FACTOR /p_vout->fmt_out.i_height;
 429
 430     msg_Dbg( p_vout, "x11 image size %ix%i (%i,%i,%ix%i)",
 431              p_vout->fmt_out.i_width, p_vout->fmt_out.i_height,
 432              p_vout->fmt_out.i_x_offset, p_vout->fmt_out.i_y_offset,
 433              p_vout->fmt_out.i_visible_width,
 434              p_vout->fmt_out.i_visible_height );
 435 #endif
 436
 437     /* Try to initialize up to MAX_DIRECTBUFFERS direct buffers */
 438     while( I_OUTPUTPICTURES < MAX_DIRECTBUFFERS )
 439     {
 440         p_pic = NULL;
 441
 442         /* Find an empty picture slot */
 443         for( i_index = 0 ; i_index < VOUT_MAX_PICTURES ; i_index++ )
 444         {
 445           if( p_vout->p_picture[ i_index ].i_status == FREE_PICTURE )
 446             {
 447                 p_pic = p_vout->p_picture + i_index;
 448                 break;
 449             }
 450         }
 451
 452         /* Allocate the picture */
 453         if( p_pic == NULL || NewPicture( p_vout, p_pic ) )
 454         {
 455             break;
 456         }
 457
 458         p_pic->i_status = DESTROYED_PICTURE;
 459         p_pic->i_type   = DIRECT_PICTURE;
 460
 461         PP_OUTPUTPICTURE[ I_OUTPUTPICTURES ] = p_pic;
 462
 463         I_OUTPUTPICTURES++;
 464     }
 465
 466     if( p_vout->output.i_chroma == VLC_FOURCC('Y','V','1','2') )
 467     {
 468         /* U and V inverted compared to I420
 469          * Fixme: this should be handled by the vout core */
 470         p_vout->output.i_chroma = VLC_FOURCC('I','4','2','0');
 471         p_vout->fmt_out.i_chroma = VLC_FOURCC('I','4','2','0');
 472     }
 473
 474     return VLC_SUCCESS;
 475 }
 476
 477 /*****************************************************************************
 478  * DisplayVideo: displays previously rendered output
 479  *****************************************************************************
 480  * This function sends the currently rendered image to X11 server.
 481  * (The Xv extension takes care of "double-buffering".)
 482  *****************************************************************************/
 483 static void DisplayVideo( vout_thread_t *p_vout, picture_t *p_pic )
 484 {
 485     int i_width, i_height, i_x, i_y;
 486
 487     vout_PlacePicture( p_vout, p_vout->p_sys->p_win->i_width,
 488                        p_vout->p_sys->p_win->i_height,
 489                        &i_x, &i_y, &i_width, &i_height );
 490
 491     vlc_mutex_lock( &p_vout->p_sys->lock );
 492
 493 #ifdef HAVE_SYS_SHM_H
 494     if( p_vout->p_sys->b_shm )
 495     {
 496         /* Display rendered image using shared memory extension */
 497 #   ifdef MODULE_NAME_IS_xvideo
 498         XvShmPutImage( p_vout->p_sys->p_display, p_vout->p_sys->i_xvport,
 499                        p_vout->p_sys->p_win->video_window,
 500                        p_vout->p_sys->p_win->gc, p_pic->p_sys->p_image,
 501                        p_vout->fmt_out.i_x_offset,
 502                        p_vout->fmt_out.i_y_offset,
 503                        p_vout->fmt_out.i_visible_width,
 504                        p_vout->fmt_out.i_visible_height,
 505                        0 /*dest_x*/, 0 /*dest_y*/, i_width, i_height,
 506                        False /* Don't put True here or you'll waste your CPU */ );
 507 #   else
 508         XShmPutImage( 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                       p_vout->fmt_out.i_x_offset,
 512                       p_vout->fmt_out.i_y_offset,
 513                       0 /*dest_x*/, 0 /*dest_y*/,
 514                       p_vout->fmt_out.i_visible_width,
 515                       p_vout->fmt_out.i_visible_height,
 516                       False /* Don't put True here ! */ );
 517 #   endif
 518     }
 519     else
 520 #endif /* HAVE_SYS_SHM_H */
 521     {
 522         /* Use standard XPutImage -- this is gonna be slow ! */
 523 #ifdef MODULE_NAME_IS_xvideo
 524         XvPutImage( p_vout->p_sys->p_display, p_vout->p_sys->i_xvport,
 525                     p_vout->p_sys->p_win->video_window,
 526                     p_vout->p_sys->p_win->gc, p_pic->p_sys->p_image,
 527                     p_vout->fmt_out.i_x_offset,
 528                     p_vout->fmt_out.i_y_offset,
 529                     p_vout->fmt_out.i_visible_width,
 530                     p_vout->fmt_out.i_visible_height,
 531                     0 /*dest_x*/, 0 /*dest_y*/, i_width, i_height );
 532 #else
 533         XPutImage( p_vout->p_sys->p_display,
 534                    p_vout->p_sys->p_win->video_window,
 535                    p_vout->p_sys->p_win->gc, p_pic->p_sys->p_image,
 536                    p_vout->fmt_out.i_x_offset,
 537                    p_vout->fmt_out.i_y_offset,
 538                    0 /*dest_x*/, 0 /*dest_y*/,
 539                    p_vout->fmt_out.i_visible_width,
 540                    p_vout->fmt_out.i_visible_height );
 541 #endif
 542     }
 543
 544     /* Make sure the command is sent now - do NOT use XFlush !*/
 545     XSync( p_vout->p_sys->p_display, False );
 546
 547     vlc_mutex_unlock( &p_vout->p_sys->lock );
 548 }
 549
 550 /*****************************************************************************
 551  * ManageVideo: handle X11 events
 552  *****************************************************************************
 553  * This function should be called regularly by video output thread. It manages
 554  * X11 events and allows window resizing. It returns a non null value on
 555  * error.
 556  *****************************************************************************/
 557 static int ManageVideo( vout_thread_t *p_vout )
 558 {
 559     XEvent      xevent;                                         /* X11 event */
 560     vlc_value_t val;
 561
 562     vlc_mutex_lock( &p_vout->p_sys->lock );
 563
 564     /* Handle events from the owner window */
 565     if( p_vout->p_sys->p_win->owner_window )
 566     {
 567         while( XCheckWindowEvent( p_vout->p_sys->p_display,
 568                                   p_vout->p_sys->p_win->owner_window,
 569                                   StructureNotifyMask, &xevent ) == True )
 570         {
 571             /* ConfigureNotify event: prepare  */
 572             if( xevent.type == ConfigureNotify )
 573             {
 574                 /* Update dimensions */
 575                 XResizeWindow( p_vout->p_sys->p_display,
 576                                p_vout->p_sys->p_win->base_window,
 577                                xevent.xconfigure.width,
 578                                xevent.xconfigure.height );
 579             }
 580         }
 581     }
 582
 583     /* Handle X11 events: ConfigureNotify events are parsed to know if the
 584      * output window's size changed, MapNotify and UnmapNotify to know if the
 585      * window is mapped (and if the display is useful), and ClientMessages
 586      * to intercept window destruction requests */
 587
 588     while( XCheckWindowEvent( p_vout->p_sys->p_display,
 589                               p_vout->p_sys->p_win->base_window,
 590                               StructureNotifyMask | KeyPressMask |
 591                               ButtonPressMask | ButtonReleaseMask |
 592                               PointerMotionMask | Button1MotionMask , &xevent )
 593            == True )
 594     {
 595         /* ConfigureNotify event: prepare  */
 596         if( xevent.type == ConfigureNotify )
 597         {
 598             if( (unsigned int)xevent.xconfigure.width
 599                    != p_vout->p_sys->p_win->i_width
 600               || (unsigned int)xevent.xconfigure.height
 601                     != p_vout->p_sys->p_win->i_height )
 602             {
 603                 /* Update dimensions */
 604                 p_vout->i_changes |= VOUT_SIZE_CHANGE;
 605                 p_vout->p_sys->p_win->i_width = xevent.xconfigure.width;
 606                 p_vout->p_sys->p_win->i_height = xevent.xconfigure.height;
 607             }
 608         }
 609         /* Keyboard event */
 610         else if( xevent.type == KeyPress )
 611         {
 612             unsigned int state = xevent.xkey.state;
 613             KeySym x_key_symbol;
 614             char i_key;                                   /* ISO Latin-1 key */
 615
 616             /* We may have keys like F1 trough F12, ESC ... */
 617             x_key_symbol = XKeycodeToKeysym( p_vout->p_sys->p_display,
 618                                              xevent.xkey.keycode, 0 );
 619             val.i_int = ConvertKey( (int)x_key_symbol );
 620
 621             xevent.xkey.state &= ~ShiftMask;
 622             xevent.xkey.state &= ~ControlMask;
 623             xevent.xkey.state &= ~Mod1Mask;
 624
 625             if( !val.i_int &&
 626                 XLookupString( &xevent.xkey, &i_key, 1, NULL, NULL ) )
 627             {
 628                 /* "Normal Keys"
 629                  * The reason why I use this instead of XK_0 is that
 630                  * with XLookupString, we don't have to care about
 631                  * keymaps. */
 632                 val.i_int = i_key;
 633             }
 634
 635             if( val.i_int )
 636             {
 637                 if( state & ShiftMask )
 638                 {
 639                     val.i_int |= KEY_MODIFIER_SHIFT;
 640                 }
 641                 if( state & ControlMask )
 642                 {
 643                     val.i_int |= KEY_MODIFIER_CTRL;
 644                 }
 645                 if( state & Mod1Mask )
 646                 {
 647                     val.i_int |= KEY_MODIFIER_ALT;
 648                 }
 649                 var_Set( p_vout->p_vlc, "key-pressed", val );
 650             }
 651         }
 652         /* Mouse click */
 653         else if( xevent.type == ButtonPress )
 654         {
 655             switch( ((XButtonEvent *)&xevent)->button )
 656             {
 657                 case Button1:
 658                     var_Get( p_vout, "mouse-button-down", &val );
 659                     val.i_int |= 1;
 660                     var_Set( p_vout, "mouse-button-down", val );
 661
 662                     /* detect double-clicks */
 663                     if( ( ((XButtonEvent *)&xevent)->time -
 664                           p_vout->p_sys->i_time_button_last_pressed ) < 300 )
 665                     {
 666                         p_vout->i_changes |= VOUT_FULLSCREEN_CHANGE;
 667                     }
 668
 669                     p_vout->p_sys->i_time_button_last_pressed =
 670                         ((XButtonEvent *)&xevent)->time;
 671                     break;
 672                 case Button2:
 673                     var_Get( p_vout, "mouse-button-down", &val );
 674                     val.i_int |= 2;
 675                     var_Set( p_vout, "mouse-button-down", val );
 676                     break;
 677
 678                 case Button3:
 679                     var_Get( p_vout, "mouse-button-down", &val );
 680                     val.i_int |= 4;
 681                     var_Set( p_vout, "mouse-button-down", val );
 682                     break;
 683
 684                 case Button4:
 685                     var_Get( p_vout, "mouse-button-down", &val );
 686                     val.i_int |= 8;
 687                     var_Set( p_vout, "mouse-button-down", val );
 688                     break;
 689
 690                 case Button5:
 691                     var_Get( p_vout, "mouse-button-down", &val );
 692                     val.i_int |= 16;
 693                     var_Set( p_vout, "mouse-button-down", val );
 694                     break;
 695             }
 696         }
 697         /* Mouse release */
 698         else if( xevent.type == ButtonRelease )
 699         {
 700             switch( ((XButtonEvent *)&xevent)->button )
 701             {
 702                 case Button1:
 703                     var_Get( p_vout, "mouse-button-down", &val );
 704                     val.i_int &= ~1;
 705                     var_Set( p_vout, "mouse-button-down", val );
 706
 707                     val.b_bool = VLC_TRUE;
 708                     var_Set( p_vout, "mouse-clicked", val );
 709                     break;
 710
 711                 case Button2:
 712                     {
 713                         playlist_t *p_playlist;
 714
 715                         var_Get( p_vout, "mouse-button-down", &val );
 716                         val.i_int &= ~2;
 717                         var_Set( p_vout, "mouse-button-down", val );
 718
 719                         p_playlist = vlc_object_find( p_vout,
 720                                                       VLC_OBJECT_PLAYLIST,
 721                                                       FIND_ANYWHERE );
 722                         if( p_playlist != NULL )
 723                         {
 724                             vlc_value_t val;
 725                             var_Get( p_playlist, "intf-show", &val );
 726                             val.b_bool = !val.b_bool;
 727                             var_Set( p_playlist, "intf-show", val );
 728                             vlc_object_release( p_playlist );
 729                         }
 730                     }
 731                     break;
 732
 733                 case Button3:
 734                     {
 735                         intf_thread_t *p_intf;
 736                         playlist_t *p_playlist;
 737
 738                         var_Get( p_vout, "mouse-button-down", &val );
 739                         val.i_int &= ~4;
 740                         var_Set( p_vout, "mouse-button-down", val );
 741                         p_intf = vlc_object_find( p_vout, VLC_OBJECT_INTF,
 742                                                           FIND_ANYWHERE );
 743                         if( p_intf )
 744                         {
 745                             p_intf->b_menu_change = 1;
 746                             vlc_object_release( p_intf );
 747                         }
 748
 749                         p_playlist = vlc_object_find( p_vout,
 750                                                       VLC_OBJECT_PLAYLIST,
 751                                                       FIND_ANYWHERE );
 752                         if( p_playlist != NULL )
 753                         {
 754                             vlc_value_t val; val.b_bool = VLC_TRUE;
 755                             var_Set( p_playlist, "intf-popupmenu", val );
 756                             vlc_object_release( p_playlist );
 757                         }
 758                     }
 759                     break;
 760
 761                 case Button4:
 762                     var_Get( p_vout, "mouse-button-down", &val );
 763                     val.i_int &= ~8;
 764                     var_Set( p_vout, "mouse-button-down", val );
 765                     break;
 766
 767                 case Button5:
 768                     var_Get( p_vout, "mouse-button-down", &val );
 769                     val.i_int &= ~16;
 770                     var_Set( p_vout, "mouse-button-down", val );
 771                     break;
 772
 773             }
 774         }
 775         /* Mouse move */
 776         else if( xevent.type == MotionNotify )
 777         {
 778             int i_width, i_height, i_x, i_y;
 779             vlc_value_t val;
 780
 781             /* somewhat different use for vout_PlacePicture:
 782              * here the values are needed to give to mouse coordinates
 783              * in the original picture space */
 784             vout_PlacePicture( p_vout, p_vout->p_sys->p_win->i_width,
 785                                p_vout->p_sys->p_win->i_height,
 786                                &i_x, &i_y, &i_width, &i_height );
 787
 788             val.i_int = ( xevent.xmotion.x - i_x ) *
 789                 p_vout->fmt_in.i_visible_width / i_width +
 790                 p_vout->fmt_in.i_x_offset;
 791             var_Set( p_vout, "mouse-x", val );
 792             val.i_int = ( xevent.xmotion.y - i_y ) *
 793                 p_vout->fmt_in.i_visible_height / i_height +
 794                 p_vout->fmt_in.i_y_offset;
 795             var_Set( p_vout, "mouse-y", val );
 796
 797             val.b_bool = VLC_TRUE;
 798             var_Set( p_vout, "mouse-moved", val );
 799
 800             p_vout->p_sys->i_time_mouse_last_moved = mdate();
 801             if( ! p_vout->p_sys->b_mouse_pointer_visible )
 802             {
 803                 ToggleCursor( p_vout );
 804             }
 805         }
 806         else if( xevent.type == ReparentNotify /* XXX: why do we get this? */
 807                   || xevent.type == MapNotify
 808                   || xevent.type == UnmapNotify )
 809         {
 810             /* Ignore these events */
 811         }
 812         else /* Other events */
 813         {
 814             msg_Warn( p_vout, "unhandled event %d received", xevent.type );
 815         }
 816     }
 817
 818     /* Handle events for video output sub-window */
 819     while( XCheckWindowEvent( p_vout->p_sys->p_display,
 820                               p_vout->p_sys->p_win->video_window,
 821                               ExposureMask, &xevent ) == True )
 822     {
 823         /* Window exposed (only handled if stream playback is paused) */
 824         if( xevent.type == Expose )
 825         {
 826             if( ((XExposeEvent *)&xevent)->count == 0 )
 827             {
 828                 /* (if this is the last a collection of expose events...) */
 829 #if 0
 830                 if( p_vout->p_vlc->p_input_bank->pp_input[0] != NULL )
 831                 {
 832                     if( PAUSE_S == p_vout->p_vlc->p_input_bank->pp_input[0]
 833                                                    ->stream.control.i_status )
 834                     {
 835                         /* XVideoDisplay( p_vout )*/;
 836                     }
 837                 }
 838 #endif
 839             }
 840         }
 841     }
 842
 843     /* ClientMessage event - only WM_PROTOCOLS with WM_DELETE_WINDOW data
 844      * are handled - according to the man pages, the format is always 32
 845      * in this case */
 846     while( XCheckTypedEvent( p_vout->p_sys->p_display,
 847                              ClientMessage, &xevent ) )
 848     {
 849         if( (xevent.xclient.message_type == p_vout->p_sys->p_win->wm_protocols)
 850                && ((Atom)xevent.xclient.data.l[0]
 851                      == p_vout->p_sys->p_win->wm_delete_window ) )
 852         {
 853             /* the user wants to close the window */
 854             playlist_t * p_playlist =
 855                 (playlist_t *)vlc_object_find( p_vout, VLC_OBJECT_PLAYLIST,
 856                                                FIND_ANYWHERE );
 857             if( p_playlist != NULL )
 858             {
 859                 playlist_Stop( p_playlist );
 860                 vlc_object_release( p_playlist );
 861             }
 862         }
 863     }
 864
 865     /*
 866      * Fullscreen Change
 867      */
 868     if ( p_vout->i_changes & VOUT_FULLSCREEN_CHANGE )
 869     {
 870         vlc_value_t val;
 871
 872         /* Update the object variable and trigger callback */
 873         val.b_bool = !p_vout->b_fullscreen;
 874         var_Set( p_vout, "fullscreen", val );
 875
 876         ToggleFullScreen( p_vout );
 877         p_vout->i_changes &= ~VOUT_FULLSCREEN_CHANGE;
 878     }
 879
 880     if( p_vout->i_changes & VOUT_CROP_CHANGE ||
 881         p_vout->i_changes & VOUT_ASPECT_CHANGE )
 882     {
 883         p_vout->i_changes &= ~VOUT_CROP_CHANGE;
 884         p_vout->i_changes &= ~VOUT_ASPECT_CHANGE;
 885
 886         p_vout->fmt_out.i_x_offset = p_vout->fmt_in.i_x_offset;
 887         p_vout->fmt_out.i_y_offset = p_vout->fmt_in.i_y_offset;
 888         p_vout->fmt_out.i_visible_width = p_vout->fmt_in.i_visible_width;
 889         p_vout->fmt_out.i_visible_height = p_vout->fmt_in.i_visible_height;
 890         p_vout->fmt_out.i_aspect = p_vout->fmt_in.i_aspect;
 891         p_vout->fmt_out.i_sar_num = p_vout->fmt_in.i_sar_num;
 892         p_vout->fmt_out.i_sar_den = p_vout->fmt_in.i_sar_den;
 893         p_vout->output.i_aspect = p_vout->fmt_in.i_aspect;
 894
 895         p_vout->i_changes |= VOUT_SIZE_CHANGE;
 896     }
 897
 898     /*
 899      * Size change
 900      *
 901      * (Needs to be placed after VOUT_FULLSREEN_CHANGE because we can activate
 902      *  the size flag inside the fullscreen routine)
 903      */
 904     if( p_vout->i_changes & VOUT_SIZE_CHANGE )
 905     {
 906         int i_width, i_height, i_x, i_y;
 907
 908         p_vout->i_changes &= ~VOUT_SIZE_CHANGE;
 909
 910 #ifdef MODULE_NAME_IS_x11
 911         /* We need to signal the vout thread about the size change because it
 912          * is doing the rescaling */
 913         p_vout->i_changes |= VOUT_SIZE_CHANGE;
 914 #endif
 915
 916         vout_PlacePicture( p_vout, p_vout->p_sys->p_win->i_width,
 917                            p_vout->p_sys->p_win->i_height,
 918                            &i_x, &i_y, &i_width, &i_height );
 919
 920         XMoveResizeWindow( p_vout->p_sys->p_display,
 921                            p_vout->p_sys->p_win->video_window,
 922                            i_x, i_y, i_width, i_height );
 923     }
 924
 925     /* Autohide Cursour */
 926     if( mdate() - p_vout->p_sys->i_time_mouse_last_moved > 2000000 )
 927     {
 928         /* Hide the mouse automatically */
 929         if( p_vout->p_sys->b_mouse_pointer_visible )
 930         {
 931             ToggleCursor( p_vout );
 932         }
 933     }
 934
 935     vlc_mutex_unlock( &p_vout->p_sys->lock );
 936
 937     return 0;
 938 }
 939
 940 /*****************************************************************************
 941  * EndVideo: terminate X11 video thread output method
 942  *****************************************************************************
 943  * Destroy the X11 XImages created by Init. It is called at the end of
 944  * the thread, but also each time the window is resized.
 945  *****************************************************************************/
 946 static void EndVideo( vout_thread_t *p_vout )
 947 {
 948     int i_index;
 949
 950     /* Free the direct buffers we allocated */
 951     for( i_index = I_OUTPUTPICTURES ; i_index ; )
 952     {
 953         i_index--;
 954         FreePicture( p_vout, PP_OUTPUTPICTURE[ i_index ] );
 955     }
 956 }
 957
 958 /* following functions are local */
 959
 960 /*****************************************************************************
 961  * CreateWindow: open and set-up X11 main window
 962  *****************************************************************************/
 963 static int CreateWindow( vout_thread_t *p_vout, x11_window_t *p_win )
 964 {
 965     XSizeHints              xsize_hints;
 966     XSetWindowAttributes    xwindow_attributes;
 967     XGCValues               xgcvalues;
 968     XEvent                  xevent;
 969
 970     vlc_bool_t              b_expose = VLC_FALSE;
 971     vlc_bool_t              b_configure_notify = VLC_FALSE;
 972     vlc_bool_t              b_map_notify = VLC_FALSE;
 973     vlc_value_t             val;
 974
 975     /* Prepare window manager hints and properties */
 976     p_win->wm_protocols =
 977              XInternAtom( p_vout->p_sys->p_display, "WM_PROTOCOLS", True );
 978     p_win->wm_delete_window =
 979              XInternAtom( p_vout->p_sys->p_display, "WM_DELETE_WINDOW", True );
 980
 981     /* Never have a 0-pixel-wide window */
 982     xsize_hints.min_width = 2;
 983     xsize_hints.min_height = 1;
 984
 985     /* Prepare window attributes */
 986     xwindow_attributes.backing_store = Always;       /* save the hidden part */
 987     xwindow_attributes.background_pixel = BlackPixel(p_vout->p_sys->p_display,
 988                                                      p_vout->p_sys->i_screen);
 989     xwindow_attributes.event_mask = ExposureMask | StructureNotifyMask;
 990
 991     if( !p_vout->b_fullscreen )
 992     {
 993         p_win->owner_window =
 994             (Window)vout_RequestWindow( p_vout, &p_win->i_x, &p_win->i_y,
 995                                         &p_win->i_width, &p_win->i_height );
 996
 997         xsize_hints.base_width  = xsize_hints.width = p_win->i_width;
 998         xsize_hints.base_height = xsize_hints.height = p_win->i_height;
 999         xsize_hints.flags       = PSize | PMinSize;
1000
1001         if( p_win->i_x >=0 || p_win->i_y >= 0 )
1002         {
1003             xsize_hints.x = p_win->i_x;
1004             xsize_hints.y = p_win->i_y;
1005             xsize_hints.flags |= PPosition;
1006         }
1007     }
1008     else
1009     {
1010         /* Fullscreen window size and position */
1011         p_win->owner_window = 0;
1012         p_win->i_x = p_win->i_y = 0;
1013         p_win->i_width =
1014             DisplayWidth( p_vout->p_sys->p_display, p_vout->p_sys->i_screen );
1015         p_win->i_height =
1016             DisplayHeight( p_vout->p_sys->p_display, p_vout->p_sys->i_screen );
1017     }
1018
1019     if( !p_win->owner_window )
1020     {
1021         /* Create the window and set hints - the window must receive
1022          * ConfigureNotify events, and until it is displayed, Expose and
1023          * MapNotify events. */
1024
1025         p_win->base_window =
1026             XCreateWindow( p_vout->p_sys->p_display,
1027                            DefaultRootWindow( p_vout->p_sys->p_display ),
1028                            p_win->i_x, p_win->i_y,
1029                            p_win->i_width, p_win->i_height,
1030                            0,
1031                            0, InputOutput, 0,
1032                            CWBackingStore | CWBackPixel | CWEventMask,
1033                            &xwindow_attributes );
1034
1035         if( !p_vout->b_fullscreen )
1036         {
1037             /* Set window manager hints and properties: size hints, command,
1038              * window's name, and accepted protocols */
1039             XSetWMNormalHints( p_vout->p_sys->p_display,
1040                                p_win->base_window, &xsize_hints );
1041             XSetCommand( p_vout->p_sys->p_display, p_win->base_window,
1042                          p_vout->p_vlc->ppsz_argv, p_vout->p_vlc->i_argc );
1043
1044             if( !var_GetBool( p_vout, "video-deco") )
1045             {
1046                 Atom prop;
1047                 mwmhints_t mwmhints;
1048
1049                 mwmhints.flags = MWM_HINTS_DECORATIONS;
1050                 mwmhints.decorations = False;
1051
1052                 prop = XInternAtom( p_vout->p_sys->p_display, "_MOTIF_WM_HINTS",
1053                                     False );
1054
1055                 XChangeProperty( p_vout->p_sys->p_display,
1056                                  p_win->base_window,
1057                                  prop, prop, 32, PropModeReplace,
1058                                  (unsigned char *)&mwmhints,
1059                                  PROP_MWM_HINTS_ELEMENTS );
1060             }
1061             else
1062             {
1063                  var_Get( p_vout, "video-title", &val );
1064                  if( !val.psz_string || !*val.psz_string )
1065                  {
1066                     XStoreName( p_vout->p_sys->p_display, p_win->base_window,
1067 #ifdef MODULE_NAME_IS_x11
1068                                 VOUT_TITLE " (X11 output)"
1069 #elif defined(MODULE_NAME_IS_glx)
1070                                 VOUT_TITLE " (GLX output)"
1071 #else
1072                                 VOUT_TITLE " (XVideo output)"
1073 #endif
1074                       );
1075                 }
1076                 else
1077                 {
1078                     XStoreName( p_vout->p_sys->p_display,
1079                                p_win->base_window, val.psz_string );
1080                 }
1081             }
1082         }
1083     }
1084     else
1085     {
1086         Window dummy1;
1087         unsigned int dummy2, dummy3;
1088
1089         /* Select events we are interested in. */
1090         XSelectInput( p_vout->p_sys->p_display, p_win->owner_window,
1091                       StructureNotifyMask );
1092
1093         /* Get the parent window's geometry information */
1094         XGetGeometry( p_vout->p_sys->p_display, p_win->owner_window,
1095                       &dummy1, &dummy2, &dummy3,
1096                       &p_win->i_width,
1097                       &p_win->i_height,
1098                       &dummy2, &dummy3 );
1099
1100         /* We are already configured */
1101         b_configure_notify = VLC_TRUE;
1102
1103         /* From man XSelectInput: only one client at a time can select a
1104          * ButtonPress event, so we need to open a new window anyway. */
1105         p_win->base_window =
1106             XCreateWindow( p_vout->p_sys->p_display,
1107                            p_win->owner_window,
1108                            0, 0,
1109                            p_win->i_width, p_win->i_height,
1110                            0,
1111                            0, CopyFromParent, 0,
1112                            CWBackingStore | CWBackPixel | CWEventMask,
1113                            &xwindow_attributes );
1114     }
1115
1116     if( (p_win->wm_protocols == None)        /* use WM_DELETE_WINDOW */
1117         || (p_win->wm_delete_window == None)
1118         || !XSetWMProtocols( p_vout->p_sys->p_display, p_win->base_window,
1119                              &p_win->wm_delete_window, 1 ) )
1120     {
1121         /* WM_DELETE_WINDOW is not supported by window manager */
1122         msg_Warn( p_vout, "missing or bad window manager" );
1123     }
1124
1125     /* Creation of a graphic context that doesn't generate a GraphicsExpose
1126      * event when using functions like XCopyArea */
1127     xgcvalues.graphics_exposures = False;
1128     p_win->gc = XCreateGC( p_vout->p_sys->p_display,
1129                            p_win->base_window,
1130                            GCGraphicsExposures, &xgcvalues );
1131
1132     /* Send orders to server, and wait until window is displayed - three
1133      * events must be received: a MapNotify event, an Expose event allowing
1134      * drawing in the window, and a ConfigureNotify to get the window
1135      * dimensions. Once those events have been received, only
1136      * ConfigureNotify events need to be received. */
1137     XMapWindow( p_vout->p_sys->p_display, p_win->base_window );
1138     do
1139     {
1140         XWindowEvent( p_vout->p_sys->p_display, p_win->base_window,
1141                       SubstructureNotifyMask | StructureNotifyMask |
1142                       ExposureMask, &xevent);
1143         if( (xevent.type == Expose)
1144             && (xevent.xexpose.window == p_win->base_window) )
1145         {
1146             b_expose = VLC_TRUE;
1147             /* ConfigureNotify isn't sent if there isn't a window manager.
1148              * Expose should be the last event to be received so it should
1149              * be fine to assume we won't receive it anymore. */
1150             b_configure_notify = VLC_TRUE;
1151         }
1152         else if( (xevent.type == MapNotify)
1153                  && (xevent.xmap.window == p_win->base_window) )
1154         {
1155             b_map_notify = VLC_TRUE;
1156         }
1157         else if( (xevent.type == ConfigureNotify)
1158                  && (xevent.xconfigure.window == p_win->base_window) )
1159         {
1160             b_configure_notify = VLC_TRUE;
1161             p_win->i_width = xevent.xconfigure.width;
1162             p_win->i_height = xevent.xconfigure.height;
1163         }
1164     } while( !( b_expose && b_configure_notify && b_map_notify ) );
1165
1166     XSelectInput( p_vout->p_sys->p_display, p_win->base_window,
1167                   StructureNotifyMask | KeyPressMask |
1168                   ButtonPressMask | ButtonReleaseMask |
1169                   PointerMotionMask );
1170
1171 #ifdef MODULE_NAME_IS_x11
1172     if( XDefaultDepth(p_vout->p_sys->p_display, p_vout->p_sys->i_screen) == 8 )
1173     {
1174         /* Allocate a new palette */
1175         p_vout->p_sys->colormap =
1176             XCreateColormap( p_vout->p_sys->p_display,
1177                              DefaultRootWindow( p_vout->p_sys->p_display ),
1178                              DefaultVisual( p_vout->p_sys->p_display,
1179                                             p_vout->p_sys->i_screen ),
1180                              AllocAll );
1181
1182         xwindow_attributes.colormap = p_vout->p_sys->colormap;
1183         XChangeWindowAttributes( p_vout->p_sys->p_display, p_win->base_window,
1184                                  CWColormap, &xwindow_attributes );
1185     }
1186 #endif
1187
1188     /* Create video output sub-window. */
1189     p_win->video_window =  XCreateSimpleWindow(
1190                                       p_vout->p_sys->p_display,
1191                                       p_win->base_window, 0, 0,
1192                                       p_win->i_width, p_win->i_height,
1193                                       0,
1194                                       BlackPixel( p_vout->p_sys->p_display,
1195                                                   p_vout->p_sys->i_screen ),
1196                                       WhitePixel( p_vout->p_sys->p_display,
1197                                                   p_vout->p_sys->i_screen ) );
1198
1199     XSetWindowBackground( p_vout->p_sys->p_display, p_win->video_window,
1200                           BlackPixel( p_vout->p_sys->p_display,
1201                                       p_vout->p_sys->i_screen ) );
1202
1203     XMapWindow( p_vout->p_sys->p_display, p_win->video_window );
1204     XSelectInput( p_vout->p_sys->p_display, p_win->video_window,
1205                   ExposureMask );
1206
1207     /* make sure the video window will be centered in the next ManageVideo() */
1208     p_vout->i_changes |= VOUT_SIZE_CHANGE;
1209
1210     /* If the cursor was formerly blank than blank it again */
1211     if( !p_vout->p_sys->b_mouse_pointer_visible )
1212     {
1213         ToggleCursor( p_vout );
1214         ToggleCursor( p_vout );
1215     }
1216
1217     /* Do NOT use XFlush here ! */
1218     XSync( p_vout->p_sys->p_display, False );
1219
1220     /* At this stage, the window is open, displayed, and ready to
1221      * receive data */
1222     p_vout->p_sys->p_win = p_win;
1223
1224     return VLC_SUCCESS;
1225 }
1226
1227 /*****************************************************************************
1228  * DestroyWindow: destroy the window
1229  *****************************************************************************
1230  *
1231  *****************************************************************************/
1232 static void DestroyWindow( vout_thread_t *p_vout, x11_window_t *p_win )
1233 {
1234     /* Do NOT use XFlush here ! */
1235     XSync( p_vout->p_sys->p_display, False );
1236
1237     if( p_win->video_window != None )
1238         XDestroyWindow( p_vout->p_sys->p_display, p_win->video_window );
1239
1240     XFreeGC( p_vout->p_sys->p_display, p_win->gc );
1241
1242     XUnmapWindow( p_vout->p_sys->p_display, p_win->base_window );
1243     XDestroyWindow( p_vout->p_sys->p_display, p_win->base_window );
1244
1245     if( p_win->owner_window )
1246         vout_ReleaseWindow( p_vout, (void *)p_win->owner_window );
1247 }
1248
1249 /*****************************************************************************
1250  * NewPicture: allocate a picture
1251  *****************************************************************************
1252  * Returns 0 on success, -1 otherwise
1253  *****************************************************************************/
1254 static int NewPicture( vout_thread_t *p_vout, picture_t *p_pic )
1255 {
1256 #ifndef MODULE_NAME_IS_glx
1257
1258 #ifdef MODULE_NAME_IS_xvideo
1259     int i_plane;
1260 #endif
1261
1262     /* We know the chroma, allocate a buffer which will be used
1263      * directly by the decoder */
1264     p_pic->p_sys = malloc( sizeof( picture_sys_t ) );
1265
1266     if( p_pic->p_sys == NULL )
1267     {
1268         return -1;
1269     }
1270
1271     /* Fill in picture_t fields */
1272     vout_InitPicture( VLC_OBJECT(p_vout), p_pic, p_vout->output.i_chroma,
1273                       p_vout->output.i_width, p_vout->output.i_height,
1274                       p_vout->output.i_aspect );
1275
1276 #ifdef HAVE_SYS_SHM_H
1277     if( p_vout->p_sys->b_shm )
1278     {
1279         /* Create image using XShm extension */
1280         p_pic->p_sys->p_image =
1281             CreateShmImage( p_vout, p_vout->p_sys->p_display,
1282 #   ifdef MODULE_NAME_IS_xvideo
1283                             p_vout->p_sys->i_xvport,
1284                             VLC2X11_FOURCC(p_vout->output.i_chroma),
1285 #   else
1286                             p_vout->p_sys->p_visual,
1287                             p_vout->p_sys->i_screen_depth,
1288 #   endif
1289                             &p_pic->p_sys->shminfo,
1290                             p_vout->output.i_width, p_vout->output.i_height );
1291     }
1292
1293     if( !p_vout->p_sys->b_shm || !p_pic->p_sys->p_image )
1294 #endif /* HAVE_SYS_SHM_H */
1295     {
1296         /* Create image without XShm extension */
1297         p_pic->p_sys->p_image =
1298             CreateImage( p_vout, p_vout->p_sys->p_display,
1299 #ifdef MODULE_NAME_IS_xvideo
1300                          p_vout->p_sys->i_xvport,
1301                          VLC2X11_FOURCC(p_vout->output.i_chroma),
1302                          p_pic->format.i_bits_per_pixel,
1303 #else
1304                          p_vout->p_sys->p_visual,
1305                          p_vout->p_sys->i_screen_depth,
1306                          p_vout->p_sys->i_bytes_per_pixel,
1307 #endif
1308                          p_vout->output.i_width, p_vout->output.i_height );
1309
1310 #ifdef HAVE_SYS_SHM_H
1311         if( p_pic->p_sys->p_image && p_vout->p_sys->b_shm )
1312         {
1313             msg_Warn( p_vout, "couldn't create SHM image, disabling SHM." );
1314             p_vout->p_sys->b_shm = VLC_FALSE;
1315         }
1316 #endif /* HAVE_SYS_SHM_H */
1317     }
1318
1319     if( p_pic->p_sys->p_image == NULL )
1320     {
1321         free( p_pic->p_sys );
1322         return -1;
1323     }
1324
1325     switch( p_vout->output.i_chroma )
1326     {
1327 #ifdef MODULE_NAME_IS_xvideo
1328         case VLC_FOURCC('I','4','2','0'):
1329         case VLC_FOURCC('Y','V','1','2'):
1330         case VLC_FOURCC('Y','2','1','1'):
1331         case VLC_FOURCC('Y','U','Y','2'):
1332         case VLC_FOURCC('U','Y','V','Y'):
1333         case VLC_FOURCC('R','V','1','5'):
1334         case VLC_FOURCC('R','V','1','6'):
1335         case VLC_FOURCC('R','V','2','4'): /* Fixme: pixel pitch == 4 ? */
1336         case VLC_FOURCC('R','V','3','2'):
1337
1338             for( i_plane = 0; i_plane < p_pic->p_sys->p_image->num_planes;
1339                  i_plane++ )
1340             {
1341                 p_pic->p[i_plane].p_pixels = p_pic->p_sys->p_image->data
1342                     + p_pic->p_sys->p_image->offsets[i_plane];
1343                 p_pic->p[i_plane].i_pitch =
1344                     p_pic->p_sys->p_image->pitches[i_plane];
1345             }
1346             if( p_vout->output.i_chroma == VLC_FOURCC('Y','V','1','2') )
1347             {
1348                 /* U and V inverted compared to I420
1349                  * Fixme: this should be handled by the vout core */
1350                 p_pic->U_PIXELS = p_pic->p_sys->p_image->data
1351                     + p_pic->p_sys->p_image->offsets[2];
1352                 p_pic->V_PIXELS = p_pic->p_sys->p_image->data
1353                     + p_pic->p_sys->p_image->offsets[1];
1354             }
1355             break;
1356
1357 #else
1358         case VLC_FOURCC('R','G','B','2'):
1359         case VLC_FOURCC('R','V','1','6'):
1360         case VLC_FOURCC('R','V','1','5'):
1361         case VLC_FOURCC('R','V','2','4'):
1362         case VLC_FOURCC('R','V','3','2'):
1363
1364             p_pic->p->i_lines = p_pic->p_sys->p_image->height;
1365             p_pic->p->i_visible_lines = p_pic->p_sys->p_image->height;
1366             p_pic->p->p_pixels = p_pic->p_sys->p_image->data
1367                                   + p_pic->p_sys->p_image->xoffset;
1368             p_pic->p->i_pitch = p_pic->p_sys->p_image->bytes_per_line;
1369
1370             /* p_pic->p->i_pixel_pitch = 4 for RV24 but this should be set
1371              * properly by vout_InitPicture() */
1372             p_pic->p->i_visible_pitch = p_pic->p->i_pixel_pitch
1373                                          * p_pic->p_sys->p_image->width;
1374             break;
1375 #endif
1376
1377         default:
1378             /* Unknown chroma, tell the guy to get lost */
1379             IMAGE_FREE( p_pic->p_sys->p_image );
1380             free( p_pic->p_sys );
1381             msg_Err( p_vout, "never heard of chroma 0x%.8x (%4.4s)",
1382                      p_vout->output.i_chroma, (char*)&p_vout->output.i_chroma );
1383             p_pic->i_planes = 0;
1384             return -1;
1385     }
1386
1387 #endif /* !MODULE_NAME_IS_glx */
1388
1389     return 0;
1390 }
1391
1392 /*****************************************************************************
1393  * FreePicture: destroy a picture allocated with NewPicture
1394  *****************************************************************************
1395  * Destroy XImage AND associated data. If using Shm, detach shared memory
1396  * segment from server and process, then free it. The XDestroyImage manpage
1397  * says that both the image structure _and_ the data pointed to by the
1398  * image structure are freed, so no need to free p_image->data.
1399  *****************************************************************************/
1400 static void FreePicture( vout_thread_t *p_vout, picture_t *p_pic )
1401 {
1402     /* The order of operations is correct */
1403 #ifdef HAVE_SYS_SHM_H
1404     if( p_vout->p_sys->b_shm )
1405     {
1406         XShmDetach( p_vout->p_sys->p_display, &p_pic->p_sys->shminfo );
1407         IMAGE_FREE( p_pic->p_sys->p_image );
1408
1409         shmctl( p_pic->p_sys->shminfo.shmid, IPC_RMID, 0 );
1410         if( shmdt( p_pic->p_sys->shminfo.shmaddr ) )
1411         {
1412             msg_Err( p_vout, "cannot detach shared memory (%s)",
1413                              strerror(errno) );
1414         }
1415     }
1416     else
1417 #endif
1418     {
1419         IMAGE_FREE( p_pic->p_sys->p_image );
1420     }
1421
1422     /* Do NOT use XFlush here ! */
1423     XSync( p_vout->p_sys->p_display, False );
1424
1425     free( p_pic->p_sys );
1426 }
1427
1428 /*****************************************************************************
1429  * ToggleFullScreen: Enable or disable full screen mode
1430  *****************************************************************************
1431  * This function will switch between fullscreen and window mode.
1432  *****************************************************************************/
1433 static void ToggleFullScreen ( vout_thread_t *p_vout )
1434 {
1435     Atom prop;
1436     XEvent xevent;
1437     mwmhints_t mwmhints;
1438     XSetWindowAttributes attributes;
1439
1440 #ifdef HAVE_XINERAMA
1441     int i_d1, i_d2;
1442 #endif
1443
1444     p_vout->b_fullscreen = !p_vout->b_fullscreen;
1445
1446     if( p_vout->b_fullscreen )
1447     {
1448         msg_Dbg( p_vout, "entering fullscreen mode" );
1449
1450         p_vout->p_sys->b_altfullscreen =
1451             config_GetInt( p_vout, MODULE_STRING "-altfullscreen" );
1452
1453         XUnmapWindow( p_vout->p_sys->p_display,
1454                       p_vout->p_sys->p_win->base_window );
1455
1456         p_vout->p_sys->p_win = &p_vout->p_sys->fullscreen_window;
1457
1458         CreateWindow( p_vout, p_vout->p_sys->p_win );
1459         XDestroyWindow( p_vout->p_sys->p_display,
1460                         p_vout->p_sys->fullscreen_window.video_window );
1461         XReparentWindow( p_vout->p_sys->p_display,
1462                          p_vout->p_sys->original_window.video_window,
1463                          p_vout->p_sys->fullscreen_window.base_window, 0, 0 );
1464         p_vout->p_sys->fullscreen_window.video_window =
1465             p_vout->p_sys->original_window.video_window;
1466
1467         /* To my knowledge there are two ways to create a borderless window.
1468          * There's the generic way which is to tell x to bypass the window
1469          * manager, but this creates problems with the focus of other
1470          * applications.
1471          * The other way is to use the motif property "_MOTIF_WM_HINTS" which
1472          * luckily seems to be supported by most window managers. */
1473         if( !p_vout->p_sys->b_altfullscreen )
1474         {
1475             mwmhints.flags = MWM_HINTS_DECORATIONS;
1476             mwmhints.decorations = False;
1477
1478             prop = XInternAtom( p_vout->p_sys->p_display, "_MOTIF_WM_HINTS",
1479                                 False );
1480             XChangeProperty( p_vout->p_sys->p_display,
1481                              p_vout->p_sys->p_win->base_window,
1482                              prop, prop, 32, PropModeReplace,
1483                              (unsigned char *)&mwmhints,
1484                              PROP_MWM_HINTS_ELEMENTS );
1485         }
1486         else
1487         {
1488             /* brute force way to remove decorations */
1489             attributes.override_redirect = True;
1490             XChangeWindowAttributes( p_vout->p_sys->p_display,
1491                                      p_vout->p_sys->p_win->base_window,
1492                                      CWOverrideRedirect,
1493                                      &attributes);
1494
1495             /* Make sure the change is effective */
1496             XReparentWindow( p_vout->p_sys->p_display,
1497                              p_vout->p_sys->p_win->base_window,
1498                              DefaultRootWindow( p_vout->p_sys->p_display ),
1499                              0, 0 );
1500         }
1501
1502         if( p_vout->p_sys->b_net_wm_state_fullscreen )
1503         {
1504             XClientMessageEvent event;
1505
1506             memset( &event, 0, sizeof( XClientMessageEvent ) );
1507
1508             event.type = ClientMessage;
1509             event.message_type = p_vout->p_sys->net_wm_state;
1510             event.display = p_vout->p_sys->p_display;
1511             event.window = p_vout->p_sys->p_win->base_window;
1512             event.format = 32;
1513             event.data.l[ 0 ] = 1; /* set property */
1514             event.data.l[ 1 ] = p_vout->p_sys->net_wm_state_fullscreen;
1515
1516             XSendEvent( p_vout->p_sys->p_display,
1517                         DefaultRootWindow( p_vout->p_sys->p_display ),
1518                         False, SubstructureRedirectMask,
1519                         (XEvent*)&event );
1520         }
1521
1522         /* Make sure the change is effective */
1523         XReparentWindow( p_vout->p_sys->p_display,
1524                          p_vout->p_sys->p_win->base_window,
1525                          DefaultRootWindow( p_vout->p_sys->p_display ),
1526                          0, 0 );
1527
1528 #ifdef HAVE_XINERAMA
1529         if( XineramaQueryExtension( p_vout->p_sys->p_display, &i_d1, &i_d2 ) &&
1530             XineramaIsActive( p_vout->p_sys->p_display ) )
1531         {
1532             XineramaScreenInfo *screens;   /* infos for xinerama */
1533             int i_num_screens;
1534
1535             msg_Dbg( p_vout, "using XFree Xinerama extension");
1536
1537 #define SCREEN p_vout->p_sys->p_win->i_screen
1538
1539             /* Get Information about Xinerama (num of screens) */
1540             screens = XineramaQueryScreens( p_vout->p_sys->p_display,
1541                                             &i_num_screens );
1542
1543             SCREEN = config_GetInt( p_vout,
1544                                         MODULE_STRING "-xineramascreen" );
1545
1546             /* just check that user has entered a good value */
1547             if( SCREEN >= i_num_screens || SCREEN < 0 )
1548             {
1549                 msg_Dbg( p_vout, "requested screen number invalid (%d/%d)", SCREEN, i_num_screens );
1550                 SCREEN = 0;
1551             }
1552
1553             /* Get the X/Y upper left corner coordinate of the above screen */
1554             p_vout->p_sys->p_win->i_x = screens[SCREEN].x_org;
1555             p_vout->p_sys->p_win->i_y = screens[SCREEN].y_org;
1556
1557             /* Set the Height/width to the screen resolution */
1558             p_vout->p_sys->p_win->i_width = screens[SCREEN].width;
1559             p_vout->p_sys->p_win->i_height = screens[SCREEN].height;
1560
1561             XFree(screens);
1562
1563 #undef SCREEN
1564
1565         }
1566         else
1567 #endif
1568         {
1569             /* The window wasn't necessarily created at the requested size */
1570             p_vout->p_sys->p_win->i_x = p_vout->p_sys->p_win->i_y = 0;
1571             p_vout->p_sys->p_win->i_width =
1572                 DisplayWidth( p_vout->p_sys->p_display,
1573                               p_vout->p_sys->i_screen );
1574             p_vout->p_sys->p_win->i_height =
1575                 DisplayHeight( p_vout->p_sys->p_display,
1576                                p_vout->p_sys->i_screen );
1577         }
1578
1579         XMoveResizeWindow( p_vout->p_sys->p_display,
1580                            p_vout->p_sys->p_win->base_window,
1581                            p_vout->p_sys->p_win->i_x,
1582                            p_vout->p_sys->p_win->i_y,
1583                            p_vout->p_sys->p_win->i_width,
1584                            p_vout->p_sys->p_win->i_height );
1585     }
1586     else
1587     {
1588         msg_Dbg( p_vout, "leaving fullscreen mode" );
1589
1590         XReparentWindow( p_vout->p_sys->p_display,
1591                          p_vout->p_sys->original_window.video_window,
1592                          p_vout->p_sys->original_window.base_window, 0, 0 );
1593
1594         p_vout->p_sys->fullscreen_window.video_window = None;
1595         DestroyWindow( p_vout, &p_vout->p_sys->fullscreen_window );
1596         p_vout->p_sys->p_win = &p_vout->p_sys->original_window;
1597
1598         XMapWindow( p_vout->p_sys->p_display,
1599                     p_vout->p_sys->p_win->base_window );
1600     }
1601
1602     /* Unfortunately, using XSync() here is not enough to ensure the
1603      * window has already been mapped because the XMapWindow() request
1604      * has not necessarily been sent directly to our window (remember,
1605      * the call is first redirected to the window manager) */
1606     do
1607     {
1608         XWindowEvent( p_vout->p_sys->p_display,
1609                       p_vout->p_sys->p_win->base_window,
1610                       StructureNotifyMask, &xevent );
1611     } while( xevent.type != MapNotify );
1612
1613     /* Be careful, this can generate a BadMatch error if the window is not
1614      * already mapped by the server (see above) */
1615     XSetInputFocus(p_vout->p_sys->p_display,
1616                    p_vout->p_sys->p_win->base_window,
1617                    RevertToParent,
1618                    CurrentTime);
1619
1620     /* signal that the size needs to be updated */
1621     p_vout->i_changes |= VOUT_SIZE_CHANGE;
1622 }
1623
1624 /*****************************************************************************
1625  * EnableXScreenSaver: enable screen saver
1626  *****************************************************************************
1627  * This function enables the screen saver on a display after it has been
1628  * disabled by XDisableScreenSaver.
1629  * FIXME: what happens if multiple vlc sessions are running at the same
1630  *        time ???
1631  *****************************************************************************/
1632 static void EnableXScreenSaver( vout_thread_t *p_vout )
1633 {
1634 #ifdef DPMSINFO_IN_DPMS_H
1635     int dummy;
1636 #endif
1637
1638     if( p_vout->p_sys->i_ss_timeout )
1639     {
1640         XSetScreenSaver( p_vout->p_sys->p_display, p_vout->p_sys->i_ss_timeout,
1641                          p_vout->p_sys->i_ss_interval,
1642                          p_vout->p_sys->i_ss_blanking,
1643                          p_vout->p_sys->i_ss_exposure );
1644     }
1645
1646     /* Restore DPMS settings */
1647 #ifdef DPMSINFO_IN_DPMS_H
1648     if( DPMSQueryExtension( p_vout->p_sys->p_display, &dummy, &dummy ) )
1649     {
1650         if( p_vout->p_sys->b_ss_dpms )
1651         {
1652             DPMSEnable( p_vout->p_sys->p_display );
1653         }
1654     }
1655 #endif
1656 }
1657
1658 /*****************************************************************************
1659  * DisableXScreenSaver: disable screen saver
1660  *****************************************************************************
1661  * See XEnableXScreenSaver
1662  *****************************************************************************/
1663 static void DisableXScreenSaver( vout_thread_t *p_vout )
1664 {
1665 #ifdef DPMSINFO_IN_DPMS_H
1666     int dummy;
1667 #endif
1668
1669     /* Save screen saver information */
1670     XGetScreenSaver( p_vout->p_sys->p_display, &p_vout->p_sys->i_ss_timeout,
1671                      &p_vout->p_sys->i_ss_interval,
1672                      &p_vout->p_sys->i_ss_blanking,
1673                      &p_vout->p_sys->i_ss_exposure );
1674
1675     /* Disable screen saver */
1676     if( p_vout->p_sys->i_ss_timeout )
1677     {
1678         XSetScreenSaver( p_vout->p_sys->p_display, 0,
1679                          p_vout->p_sys->i_ss_interval,
1680                          p_vout->p_sys->i_ss_blanking,
1681                          p_vout->p_sys->i_ss_exposure );
1682     }
1683
1684     /* Disable DPMS */
1685 #ifdef DPMSINFO_IN_DPMS_H
1686     if( DPMSQueryExtension( p_vout->p_sys->p_display, &dummy, &dummy ) )
1687     {
1688         CARD16 unused;
1689         /* Save DPMS current state */
1690         DPMSInfo( p_vout->p_sys->p_display, &unused,
1691                   &p_vout->p_sys->b_ss_dpms );
1692         DPMSDisable( p_vout->p_sys->p_display );
1693    }
1694 #endif
1695 }
1696
1697 /*****************************************************************************
1698  * CreateCursor: create a blank mouse pointer
1699  *****************************************************************************/
1700 static void CreateCursor( vout_thread_t *p_vout )
1701 {
1702     XColor cursor_color;
1703
1704     p_vout->p_sys->cursor_pixmap =
1705         XCreatePixmap( p_vout->p_sys->p_display,
1706                        DefaultRootWindow( p_vout->p_sys->p_display ),
1707                        1, 1, 1 );
1708
1709     XParseColor( p_vout->p_sys->p_display,
1710                  XCreateColormap( p_vout->p_sys->p_display,
1711                                   DefaultRootWindow(
1712                                                     p_vout->p_sys->p_display ),
1713                                   DefaultVisual(
1714                                                 p_vout->p_sys->p_display,
1715                                                 p_vout->p_sys->i_screen ),
1716                                   AllocNone ),
1717                  "black", &cursor_color );
1718
1719     p_vout->p_sys->blank_cursor =
1720         XCreatePixmapCursor( p_vout->p_sys->p_display,
1721                              p_vout->p_sys->cursor_pixmap,
1722                              p_vout->p_sys->cursor_pixmap,
1723                              &cursor_color, &cursor_color, 1, 1 );
1724 }
1725
1726 /*****************************************************************************
1727  * DestroyCursor: destroy the blank mouse pointer
1728  *****************************************************************************/
1729 static void DestroyCursor( vout_thread_t *p_vout )
1730 {
1731     XFreePixmap( p_vout->p_sys->p_display, p_vout->p_sys->cursor_pixmap );
1732 }
1733
1734 /*****************************************************************************
1735  * ToggleCursor: hide or show the mouse pointer
1736  *****************************************************************************
1737  * This function hides the X pointer if it is visible by setting the pointer
1738  * sprite to a blank one. To show it again, we disable the sprite.
1739  *****************************************************************************/
1740 static void ToggleCursor( vout_thread_t *p_vout )
1741 {
1742     if( p_vout->p_sys->b_mouse_pointer_visible )
1743     {
1744         XDefineCursor( p_vout->p_sys->p_display,
1745                        p_vout->p_sys->p_win->base_window,
1746                        p_vout->p_sys->blank_cursor );
1747         p_vout->p_sys->b_mouse_pointer_visible = 0;
1748     }
1749     else
1750     {
1751         XUndefineCursor( p_vout->p_sys->p_display,
1752                          p_vout->p_sys->p_win->base_window );
1753         p_vout->p_sys->b_mouse_pointer_visible = 1;
1754     }
1755 }
1756
1757 #ifdef MODULE_NAME_IS_xvideo
1758 /*****************************************************************************
1759  * XVideoGetPort: get YUV12 port
1760  *****************************************************************************/
1761 static int XVideoGetPort( vout_thread_t *p_vout,
1762                           vlc_fourcc_t i_chroma, vlc_fourcc_t *pi_newchroma )
1763 {
1764     XvAdaptorInfo *p_adaptor;
1765     unsigned int i;
1766     int i_adaptor, i_num_adaptors, i_requested_adaptor;
1767     int i_selected_port;
1768
1769     switch( XvQueryExtension( p_vout->p_sys->p_display, &i, &i, &i, &i, &i ) )
1770     {
1771         case Success:
1772             break;
1773
1774         case XvBadExtension:
1775             msg_Warn( p_vout, "XvBadExtension" );
1776             return -1;
1777
1778         case XvBadAlloc:
1779             msg_Warn( p_vout, "XvBadAlloc" );
1780             return -1;
1781
1782         default:
1783             msg_Warn( p_vout, "XvQueryExtension failed" );
1784             return -1;
1785     }
1786
1787     switch( XvQueryAdaptors( p_vout->p_sys->p_display,
1788                              DefaultRootWindow( p_vout->p_sys->p_display ),
1789                              &i_num_adaptors, &p_adaptor ) )
1790     {
1791         case Success:
1792             break;
1793
1794         case XvBadExtension:
1795             msg_Warn( p_vout, "XvBadExtension for XvQueryAdaptors" );
1796             return -1;
1797
1798         case XvBadAlloc:
1799             msg_Warn( p_vout, "XvBadAlloc for XvQueryAdaptors" );
1800             return -1;
1801
1802         default:
1803             msg_Warn( p_vout, "XvQueryAdaptors failed" );
1804             return -1;
1805     }
1806
1807     i_selected_port = -1;
1808     i_requested_adaptor = config_GetInt( p_vout, "xvideo-adaptor" );
1809
1810     for( i_adaptor = 0; i_adaptor < i_num_adaptors; ++i_adaptor )
1811     {
1812         XvImageFormatValues *p_formats;
1813         int i_format, i_num_formats;
1814         int i_port;
1815
1816         /* If we requested an adaptor and it's not this one, we aren't
1817          * interested */
1818         if( i_requested_adaptor != -1 && i_adaptor != i_requested_adaptor )
1819         {
1820             continue;
1821         }
1822
1823         /* If the adaptor doesn't have the required properties, skip it */
1824         if( !( p_adaptor[ i_adaptor ].type & XvInputMask ) ||
1825             !( p_adaptor[ i_adaptor ].type & XvImageMask ) )
1826         {
1827             continue;
1828         }
1829
1830         /* Check that adaptor supports our requested format... */
1831         p_formats = XvListImageFormats( p_vout->p_sys->p_display,
1832                                         p_adaptor[i_adaptor].base_id,
1833                                         &i_num_formats );
1834
1835         for( i_format = 0;
1836              i_format < i_num_formats && ( i_selected_port == -1 );
1837              i_format++ )
1838         {
1839             XvAttribute     *p_attr;
1840             int             i_attr, i_num_attributes;
1841
1842             /* If this is not the format we want, or at least a
1843              * similar one, forget it */
1844             if( !vout_ChromaCmp( p_formats[ i_format ].id, i_chroma ) )
1845             {
1846                 continue;
1847             }
1848
1849             /* Look for the first available port supporting this format */
1850             for( i_port = p_adaptor[i_adaptor].base_id;
1851                  ( i_port < (int)(p_adaptor[i_adaptor].base_id
1852                                    + p_adaptor[i_adaptor].num_ports) )
1853                    && ( i_selected_port == -1 );
1854                  i_port++ )
1855             {
1856                 if( XvGrabPort( p_vout->p_sys->p_display, i_port, CurrentTime )
1857                      == Success )
1858                 {
1859                     i_selected_port = i_port;
1860                     *pi_newchroma = p_formats[ i_format ].id;
1861                 }
1862             }
1863
1864             /* If no free port was found, forget it */
1865             if( i_selected_port == -1 )
1866             {
1867                 continue;
1868             }
1869
1870             /* If we found a port, print information about it */
1871             msg_Dbg( p_vout, "adaptor %i, port %i, format 0x%x (%4.4s) %s",
1872                      i_adaptor, i_selected_port, p_formats[ i_format ].id,
1873                      (char *)&p_formats[ i_format ].id,
1874                      ( p_formats[ i_format ].format == XvPacked ) ?
1875                          "packed" : "planar" );
1876
1877             /* Make sure XV_AUTOPAINT_COLORKEY is set */
1878             p_attr = XvQueryPortAttributes( p_vout->p_sys->p_display,
1879                                             i_selected_port,
1880                                             &i_num_attributes );
1881
1882             for( i_attr = 0; i_attr < i_num_attributes; i_attr++ )
1883             {
1884                 if( !strcmp( p_attr[i_attr].name, "XV_AUTOPAINT_COLORKEY" ) )
1885                 {
1886                     const Atom autopaint =
1887                         XInternAtom( p_vout->p_sys->p_display,
1888                                      "XV_AUTOPAINT_COLORKEY", False );
1889                     XvSetPortAttribute( p_vout->p_sys->p_display,
1890                                         i_selected_port, autopaint, 1 );
1891                     break;
1892                 }
1893             }
1894
1895             if( p_attr != NULL )
1896             {
1897                 XFree( p_attr );
1898             }
1899         }
1900
1901         if( p_formats != NULL )
1902         {
1903             XFree( p_formats );
1904         }
1905
1906     }
1907
1908     if( i_num_adaptors > 0 )
1909     {
1910         XvFreeAdaptorInfo( p_adaptor );
1911     }
1912
1913     if( i_selected_port == -1 )
1914     {
1915         int i_chroma_tmp = X112VLC_FOURCC( i_chroma );
1916         if( i_requested_adaptor == -1 )
1917         {
1918             msg_Warn( p_vout, "no free XVideo port found for format "
1919                       "0x%.8x (%4.4s)", i_chroma_tmp, (char*)&i_chroma_tmp );
1920         }
1921         else
1922         {
1923             msg_Warn( p_vout, "XVideo adaptor %i does not have a free "
1924                       "XVideo port for format 0x%.8x (%4.4s)",
1925                       i_requested_adaptor, i_chroma_tmp, (char*)&i_chroma_tmp );
1926         }
1927     }
1928
1929     return i_selected_port;
1930 }
1931
1932 /*****************************************************************************
1933  * XVideoReleasePort: release YUV12 port
1934  *****************************************************************************/
1935 static void XVideoReleasePort( vout_thread_t *p_vout, int i_port )
1936 {
1937     XvUngrabPort( p_vout->p_sys->p_display, i_port, CurrentTime );
1938 }
1939 #endif
1940
1941 /*****************************************************************************
1942  * InitDisplay: open and initialize X11 device
1943  *****************************************************************************
1944  * Create a window according to video output given size, and set other
1945  * properties according to the display properties.
1946  *****************************************************************************/
1947 static int InitDisplay( vout_thread_t *p_vout )
1948 {
1949 #ifdef MODULE_NAME_IS_x11
1950     XPixmapFormatValues *       p_formats;                 /* pixmap formats */
1951     XVisualInfo *               p_xvisual;            /* visuals information */
1952     XVisualInfo                 xvisual_template;         /* visual template */
1953     int                         i_count;                       /* array size */
1954 #endif
1955
1956 #ifdef HAVE_SYS_SHM_H
1957     p_vout->p_sys->b_shm = 0;
1958
1959     if( config_GetInt( p_vout, MODULE_STRING "-shm" ) )
1960     {
1961 #   ifdef SYS_DARWIN
1962         /* FIXME: As of 2001-03-16, XFree4 for MacOS X does not support Xshm */
1963 #   else
1964         p_vout->p_sys->b_shm =
1965                   ( XShmQueryExtension( p_vout->p_sys->p_display ) == True );
1966 #   endif
1967
1968         if( !p_vout->p_sys->b_shm )
1969         {
1970             msg_Warn( p_vout, "XShm video extension is unavailable" );
1971         }
1972     }
1973     else
1974     {
1975         msg_Dbg( p_vout, "disabling XShm video extension" );
1976     }
1977
1978 #else
1979     msg_Warn( p_vout, "XShm video extension is unavailable" );
1980
1981 #endif
1982
1983 #ifdef MODULE_NAME_IS_xvideo
1984     /* XXX The brightness and contrast values should be read from environment
1985      * XXX variables... */
1986 #if 0
1987     XVideoSetAttribute( p_vout, "XV_BRIGHTNESS", 0.5 );
1988     XVideoSetAttribute( p_vout, "XV_CONTRAST",   0.5 );
1989 #endif
1990 #endif
1991
1992 #ifdef MODULE_NAME_IS_x11
1993     /* Initialize structure */
1994     p_vout->p_sys->i_screen = DefaultScreen( p_vout->p_sys->p_display );
1995
1996     /* Get screen depth */
1997     p_vout->p_sys->i_screen_depth = XDefaultDepth( p_vout->p_sys->p_display,
1998                                                    p_vout->p_sys->i_screen );
1999     switch( p_vout->p_sys->i_screen_depth )
2000     {
2001     case 8:
2002         /*
2003          * Screen depth is 8bpp. Use PseudoColor visual with private colormap.
2004          */
2005         xvisual_template.screen =   p_vout->p_sys->i_screen;
2006         xvisual_template.class =    DirectColor;
2007         p_xvisual = XGetVisualInfo( p_vout->p_sys->p_display,
2008                                     VisualScreenMask | VisualClassMask,
2009                                     &xvisual_template, &i_count );
2010         if( p_xvisual == NULL )
2011         {
2012             msg_Err( p_vout, "no PseudoColor visual available" );
2013             return VLC_EGENERIC;
2014         }
2015         p_vout->p_sys->i_bytes_per_pixel = 1;
2016         p_vout->output.pf_setpalette = SetPalette;
2017         break;
2018     case 15:
2019     case 16:
2020     case 24:
2021     default:
2022         /*
2023          * Screen depth is higher than 8bpp. TrueColor visual is used.
2024          */
2025         xvisual_template.screen =   p_vout->p_sys->i_screen;
2026         xvisual_template.class =    TrueColor;
2027         p_xvisual = XGetVisualInfo( p_vout->p_sys->p_display,
2028                                     VisualScreenMask | VisualClassMask,
2029                                     &xvisual_template, &i_count );
2030         if( p_xvisual == NULL )
2031         {
2032             msg_Err( p_vout, "no TrueColor visual available" );
2033             return VLC_EGENERIC;
2034         }
2035
2036         p_vout->output.i_rmask = p_xvisual->red_mask;
2037         p_vout->output.i_gmask = p_xvisual->green_mask;
2038         p_vout->output.i_bmask = p_xvisual->blue_mask;
2039
2040         /* There is no difference yet between 3 and 4 Bpp. The only way
2041          * to find the actual number of bytes per pixel is to list supported
2042          * pixmap formats. */
2043         p_formats = XListPixmapFormats( p_vout->p_sys->p_display, &i_count );
2044         p_vout->p_sys->i_bytes_per_pixel = 0;
2045
2046         for( ; i_count-- ; p_formats++ )
2047         {
2048             /* Under XFree4.0, the list contains pixmap formats available
2049              * through all video depths ; so we have to check against current
2050              * depth. */
2051             if( p_formats->depth == (int)p_vout->p_sys->i_screen_depth )
2052             {
2053                 if( p_formats->bits_per_pixel / 8
2054                         > (int)p_vout->p_sys->i_bytes_per_pixel )
2055                 {
2056                     p_vout->p_sys->i_bytes_per_pixel =
2057                                                p_formats->bits_per_pixel / 8;
2058                 }
2059             }
2060         }
2061         break;
2062     }
2063     p_vout->p_sys->p_visual = p_xvisual->visual;
2064     XFree( p_xvisual );
2065 #endif
2066
2067     return VLC_SUCCESS;
2068 }
2069
2070 #ifdef HAVE_SYS_SHM_H
2071 /*****************************************************************************
2072  * CreateShmImage: create an XImage or XvImage using shared memory extension
2073  *****************************************************************************
2074  * Prepare an XImage or XvImage for display function.
2075  * The order of the operations respects the recommandations of the mit-shm
2076  * document by J.Corbet and K.Packard. Most of the parameters were copied from
2077  * there. See http://ftp.xfree86.org/pub/XFree86/4.0/doc/mit-shm.TXT
2078  *****************************************************************************/
2079 static IMAGE_TYPE * CreateShmImage( vout_thread_t *p_vout,
2080                                     Display* p_display, EXTRA_ARGS_SHM,
2081                                     int i_width, int i_height )
2082 {
2083     IMAGE_TYPE *p_image;
2084     Status result;
2085
2086     /* Create XImage / XvImage */
2087 #ifdef MODULE_NAME_IS_xvideo
2088
2089     /* Make sure the buffer is aligned to multiple of 16 */
2090     i_height = ( i_height + 15 ) >> 4 << 4;
2091     i_width = ( i_width + 15 ) >> 4 << 4;
2092
2093     p_image = XvShmCreateImage( p_display, i_xvport, i_chroma, 0,
2094                                 i_width, i_height, p_shm );
2095 #else
2096     p_image = XShmCreateImage( p_display, p_visual, i_depth, ZPixmap, 0,
2097                                p_shm, i_width, i_height );
2098 #endif
2099     if( p_image == NULL )
2100     {
2101         msg_Err( p_vout, "image creation failed" );
2102         return NULL;
2103     }
2104
2105     /* Allocate shared memory segment - 0776 set the access permission
2106      * rights (like umask), they are not yet supported by all X servers */
2107     p_shm->shmid = shmget( IPC_PRIVATE, DATA_SIZE(p_image), IPC_CREAT | 0776 );
2108     if( p_shm->shmid < 0 )
2109     {
2110         msg_Err( p_vout, "cannot allocate shared image data (%s)",
2111                          strerror( errno ) );
2112         IMAGE_FREE( p_image );
2113         return NULL;
2114     }
2115
2116     /* Attach shared memory segment to process (read/write) */
2117     p_shm->shmaddr = p_image->data = shmat( p_shm->shmid, 0, 0 );
2118     if(! p_shm->shmaddr )
2119     {
2120         msg_Err( p_vout, "cannot attach shared memory (%s)",
2121                          strerror(errno));
2122         IMAGE_FREE( p_image );
2123         shmctl( p_shm->shmid, IPC_RMID, 0 );
2124         return NULL;
2125     }
2126
2127     /* Read-only data. We won't be using XShmGetImage */
2128     p_shm->readOnly = True;
2129
2130     /* Attach shared memory segment to X server */
2131     XSynchronize( p_display, True );
2132     b_shm = VLC_TRUE;
2133     result = XShmAttach( p_display, p_shm );
2134     if( result == False || !b_shm )
2135     {
2136         msg_Err( p_vout, "cannot attach shared memory to X server" );
2137         IMAGE_FREE( p_image );
2138         shmctl( p_shm->shmid, IPC_RMID, 0 );
2139         shmdt( p_shm->shmaddr );
2140         return NULL;
2141     }
2142     XSynchronize( p_display, False );
2143
2144     /* Send image to X server. This instruction is required, since having
2145      * built a Shm XImage and not using it causes an error on XCloseDisplay,
2146      * and remember NOT to use XFlush ! */
2147     XSync( p_display, False );
2148
2149 #if 0
2150     /* Mark the shm segment to be removed when there are no more
2151      * attachements, so it is automatic on process exit or after shmdt */
2152     shmctl( p_shm->shmid, IPC_RMID, 0 );
2153 #endif
2154
2155     return p_image;
2156 }
2157 #endif
2158
2159 /*****************************************************************************
2160  * CreateImage: create an XImage or XvImage
2161  *****************************************************************************
2162  * Create a simple image used as a buffer.
2163  *****************************************************************************/
2164 static IMAGE_TYPE * CreateImage( vout_thread_t *p_vout,
2165                                  Display *p_display, EXTRA_ARGS,
2166                                  int i_width, int i_height )
2167 {
2168     byte_t *    p_data;                           /* image data storage zone */
2169     IMAGE_TYPE *p_image;
2170 #ifdef MODULE_NAME_IS_x11
2171     int         i_quantum;                     /* XImage quantum (see below) */
2172     int         i_bytes_per_line;
2173 #endif
2174
2175     /* Allocate memory for image */
2176 #ifdef MODULE_NAME_IS_xvideo
2177
2178     /* Make sure the buffer is aligned to multiple of 16 */
2179     i_height = ( i_height + 15 ) >> 4 << 4;
2180     i_width = ( i_width + 15 ) >> 4 << 4;
2181
2182     p_data = (byte_t *) malloc( i_width * i_height * i_bits_per_pixel / 8 );
2183 #elif defined(MODULE_NAME_IS_x11)
2184     i_bytes_per_line = i_width * i_bytes_per_pixel;
2185     p_data = (byte_t *) malloc( i_bytes_per_line * i_height );
2186 #endif
2187     if( !p_data )
2188     {
2189         msg_Err( p_vout, "out of memory" );
2190         return NULL;
2191     }
2192
2193 #ifdef MODULE_NAME_IS_x11
2194     /* Optimize the quantum of a scanline regarding its size - the quantum is
2195        a diviser of the number of bits between the start of two scanlines. */
2196     if( i_bytes_per_line & 0xf )
2197     {
2198         i_quantum = 0x8;
2199     }
2200     else if( i_bytes_per_line & 0x10 )
2201     {
2202         i_quantum = 0x10;
2203     }
2204     else
2205     {
2206         i_quantum = 0x20;
2207     }
2208 #endif
2209
2210     /* Create XImage. p_data will be automatically freed */
2211 #ifdef MODULE_NAME_IS_xvideo
2212     p_image = XvCreateImage( p_display, i_xvport, i_chroma,
2213                              p_data, i_width, i_height );
2214 #elif defined(MODULE_NAME_IS_x11)
2215     p_image = XCreateImage( p_display, p_visual, i_depth, ZPixmap, 0,
2216                             p_data, i_width, i_height, i_quantum, 0 );
2217 #endif
2218     if( p_image == NULL )
2219     {
2220         msg_Err( p_vout, "XCreateImage() failed" );
2221         free( p_data );
2222         return NULL;
2223     }
2224
2225     return p_image;
2226 }
2227
2228 /*****************************************************************************
2229  * X11ErrorHandler: replace error handler so we can intercept some of them
2230  *****************************************************************************/
2231 static int X11ErrorHandler( Display * display, XErrorEvent * event )
2232 {
2233     /* Ingnore errors on XSetInputFocus()
2234      * (they happen when a window is not yet mapped) */
2235     if( event->request_code == X_SetInputFocus )
2236     {
2237         fprintf(stderr, "XSetInputFocus failed\n");
2238         return 0;
2239     }
2240
2241     if( event->request_code == 150 /* MIT-SHM */ &&
2242         event->minor_code == X_ShmAttach )
2243     {
2244         fprintf(stderr, "XShmAttach failed\n");
2245         b_shm = VLC_FALSE;
2246         return 0;
2247     }
2248
2249     XSetErrorHandler(NULL);
2250     return (XSetErrorHandler(X11ErrorHandler))( display, event );
2251 }
2252
2253 #ifdef MODULE_NAME_IS_x11
2254 /*****************************************************************************
2255  * SetPalette: sets an 8 bpp palette
2256  *****************************************************************************
2257  * This function sets the palette given as an argument. It does not return
2258  * anything, but could later send information on which colors it was unable
2259  * to set.
2260  *****************************************************************************/
2261 static void SetPalette( vout_thread_t *p_vout,
2262                         uint16_t *red, uint16_t *green, uint16_t *blue )
2263 {
2264     int i;
2265     XColor p_colors[255];
2266
2267     /* allocate palette */
2268     for( i = 0; i < 255; i++ )
2269     {
2270         /* kludge: colors are indexed reversely because color 255 seems
2271          * to be reserved for black even if we try to set it to white */
2272         p_colors[ i ].pixel = 255 - i;
2273         p_colors[ i ].pad   = 0;
2274         p_colors[ i ].flags = DoRed | DoGreen | DoBlue;
2275         p_colors[ i ].red   = red[ 255 - i ];
2276         p_colors[ i ].blue  = blue[ 255 - i ];
2277         p_colors[ i ].green = green[ 255 - i ];
2278     }
2279
2280     XStoreColors( p_vout->p_sys->p_display,
2281                   p_vout->p_sys->colormap, p_colors, 255 );
2282 }
2283 #endif
2284
2285 /*****************************************************************************
2286  * Control: control facility for the vout
2287  *****************************************************************************/
2288 static int Control( vout_thread_t *p_vout, int i_query, va_list args )
2289 {
2290     vlc_bool_t b_arg;
2291     unsigned int i_width, i_height;
2292     unsigned int *pi_width, *pi_height;
2293
2294     switch( i_query )
2295     {
2296         case VOUT_GET_SIZE:
2297             if( p_vout->p_sys->p_win->owner_window )
2298                 return vout_ControlWindow( p_vout,
2299                     (void *)p_vout->p_sys->p_win->owner_window, i_query, args);
2300
2301             pi_width  = va_arg( args, unsigned int * );
2302             pi_height = va_arg( args, unsigned int * );
2303
2304             vlc_mutex_lock( &p_vout->p_sys->lock );
2305             *pi_width  = p_vout->p_sys->p_win->i_width;
2306             *pi_height = p_vout->p_sys->p_win->i_height;
2307             vlc_mutex_unlock( &p_vout->p_sys->lock );
2308             return VLC_SUCCESS;
2309
2310         case VOUT_SET_SIZE:
2311             if( p_vout->p_sys->p_win->owner_window )
2312                 return vout_ControlWindow( p_vout,
2313                     (void *)p_vout->p_sys->p_win->owner_window, i_query, args);
2314
2315             vlc_mutex_lock( &p_vout->p_sys->lock );
2316
2317             i_width  = va_arg( args, unsigned int );
2318             i_height = va_arg( args, unsigned int );
2319             if( !i_width ) i_width = p_vout->i_window_width;
2320             if( !i_height ) i_height = p_vout->i_window_height;
2321
2322             /* Update dimensions */
2323             XResizeWindow( p_vout->p_sys->p_display,
2324                            p_vout->p_sys->p_win->base_window,
2325                            i_width, i_height );
2326
2327             vlc_mutex_unlock( &p_vout->p_sys->lock );
2328             return VLC_SUCCESS;
2329
2330        case VOUT_CLOSE:
2331             vlc_mutex_lock( &p_vout->p_sys->lock );
2332             XUnmapWindow( p_vout->p_sys->p_display,
2333                           p_vout->p_sys->original_window.base_window );
2334             vlc_mutex_unlock( &p_vout->p_sys->lock );
2335             /* Fall through */
2336
2337        case VOUT_REPARENT:
2338             vlc_mutex_lock( &p_vout->p_sys->lock );
2339             XReparentWindow( p_vout->p_sys->p_display,
2340                              p_vout->p_sys->original_window.base_window,
2341                              DefaultRootWindow( p_vout->p_sys->p_display ),
2342                              0, 0 );
2343             XSync( p_vout->p_sys->p_display, False );
2344             p_vout->p_sys->original_window.owner_window = 0;
2345             vlc_mutex_unlock( &p_vout->p_sys->lock );
2346             return vout_vaControlDefault( p_vout, i_query, args );
2347
2348         case VOUT_SET_STAY_ON_TOP:
2349             if( p_vout->p_sys->p_win->owner_window )
2350                 return vout_ControlWindow( p_vout,
2351                     (void *)p_vout->p_sys->p_win->owner_window, i_query, args);
2352
2353             b_arg = va_arg( args, vlc_bool_t );
2354             vlc_mutex_lock( &p_vout->p_sys->lock );
2355             WindowOnTop( p_vout, b_arg );
2356             vlc_mutex_unlock( &p_vout->p_sys->lock );
2357             return VLC_SUCCESS;
2358
2359        default:
2360             return vout_vaControlDefault( p_vout, i_query, args );
2361     }
2362 }
2363
2364 /*****************************************************************************
2365  * TestNetWMSupport: tests for Extended Window Manager Hints support
2366  *****************************************************************************/
2367 static void TestNetWMSupport( vout_thread_t *p_vout )
2368 {
2369     int i_ret, i_format;
2370     unsigned long i, i_items, i_bytesafter;
2371     Atom net_wm_supported;
2372     union { Atom *p_atom; unsigned char *p_char; } p_args;
2373
2374     p_args.p_atom = NULL;
2375
2376     p_vout->p_sys->b_net_wm_state_fullscreen = VLC_FALSE;
2377     p_vout->p_sys->b_net_wm_state_above = VLC_FALSE;
2378     p_vout->p_sys->b_net_wm_state_below = VLC_FALSE;
2379     p_vout->p_sys->b_net_wm_state_stays_on_top = VLC_FALSE;
2380
2381     net_wm_supported =
2382         XInternAtom( p_vout->p_sys->p_display, "_NET_SUPPORTED", False );
2383
2384     i_ret = XGetWindowProperty( p_vout->p_sys->p_display,
2385                                 DefaultRootWindow( p_vout->p_sys->p_display ),
2386                                 net_wm_supported,
2387                                 0, 16384, False, AnyPropertyType,
2388                                 &net_wm_supported,
2389                                 &i_format, &i_items, &i_bytesafter,
2390                                 (unsigned char **)&p_args );
2391
2392     if( i_ret != Success || i_items == 0 ) return;
2393
2394     msg_Dbg( p_vout, "Window manager supports NetWM" );
2395
2396     p_vout->p_sys->net_wm_state =
2397         XInternAtom( p_vout->p_sys->p_display, "_NET_WM_STATE", False );
2398     p_vout->p_sys->net_wm_state_fullscreen =
2399         XInternAtom( p_vout->p_sys->p_display, "_NET_WM_STATE_FULLSCREEN",
2400                      False );
2401     p_vout->p_sys->net_wm_state_above =
2402         XInternAtom( p_vout->p_sys->p_display, "_NET_WM_STATE_ABOVE", False );
2403     p_vout->p_sys->net_wm_state_below =
2404         XInternAtom( p_vout->p_sys->p_display, "_NET_WM_STATE_BELOW", False );
2405     p_vout->p_sys->net_wm_state_stays_on_top =
2406         XInternAtom( p_vout->p_sys->p_display, "_NET_WM_STATE_STAYS_ON_TOP",
2407                      False );
2408
2409     for( i = 0; i < i_items; i++ )
2410     {
2411         if( p_args.p_atom[i] == p_vout->p_sys->net_wm_state_fullscreen )
2412         {
2413             msg_Dbg( p_vout,
2414                      "Window manager supports _NET_WM_STATE_FULLSCREEN" );
2415             p_vout->p_sys->b_net_wm_state_fullscreen = VLC_TRUE;
2416         }
2417         else if( p_args.p_atom[i] == p_vout->p_sys->net_wm_state_above )
2418         {
2419             msg_Dbg( p_vout, "Window manager supports _NET_WM_STATE_ABOVE" );
2420             p_vout->p_sys->b_net_wm_state_above = VLC_TRUE;
2421         }
2422         else if( p_args.p_atom[i] == p_vout->p_sys->net_wm_state_below )
2423         {
2424             msg_Dbg( p_vout, "Window manager supports _NET_WM_STATE_BELOW" );
2425             p_vout->p_sys->b_net_wm_state_below = VLC_TRUE;
2426         }
2427         else if( p_args.p_atom[i] == p_vout->p_sys->net_wm_state_stays_on_top )
2428         {
2429             msg_Dbg( p_vout,
2430                      "Window manager supports _NET_WM_STATE_STAYS_ON_TOP" );
2431             p_vout->p_sys->b_net_wm_state_stays_on_top = VLC_TRUE;
2432         }
2433     }
2434
2435     XFree( p_args.p_atom );
2436 }
2437
2438 /*****************************************************************************
2439  * Key events handling
2440  *****************************************************************************/
2441 static struct
2442 {
2443     int i_x11key;
2444     int i_vlckey;
2445
2446 } x11keys_to_vlckeys[] =
2447 {
2448     { XK_F1, KEY_F1 }, { XK_F2, KEY_F2 }, { XK_F3, KEY_F3 }, { XK_F4, KEY_F4 },
2449     { XK_F5, KEY_F5 }, { XK_F6, KEY_F6 }, { XK_F7, KEY_F7 }, { XK_F8, KEY_F8 },
2450     { XK_F9, KEY_F9 }, { XK_F10, KEY_F10 }, { XK_F11, KEY_F11 },
2451     { XK_F12, KEY_F12 },
2452
2453     { XK_Return, KEY_ENTER },
2454     { XK_KP_Enter, KEY_ENTER },
2455     { XK_space, KEY_SPACE },
2456     { XK_Escape, KEY_ESC },
2457
2458     { XK_Menu, KEY_MENU },
2459     { XK_Left, KEY_LEFT },
2460     { XK_Right, KEY_RIGHT },
2461     { XK_Up, KEY_UP },
2462     { XK_Down, KEY_DOWN },
2463
2464     { XK_Home, KEY_HOME },
2465     { XK_End, KEY_END },
2466     { XK_Page_Up, KEY_PAGEUP },
2467     { XK_Page_Down, KEY_PAGEDOWN },
2468
2469     { XK_Insert, KEY_INSERT },
2470     { XK_Delete, KEY_DELETE },
2471
2472     { 0, 0 }
2473 };
2474
2475 static int ConvertKey( int i_key )
2476 {
2477     int i;
2478
2479     for( i = 0; x11keys_to_vlckeys[i].i_x11key != 0; i++ )
2480     {
2481         if( x11keys_to_vlckeys[i].i_x11key == i_key )
2482         {
2483             return x11keys_to_vlckeys[i].i_vlckey;
2484         }
2485     }
2486
2487     return 0;
2488 }
2489
2490 /*****************************************************************************
2491  * WindowOnTop: Switches the "always on top" state of the video window.
2492  *****************************************************************************/
2493 static int WindowOnTop( vout_thread_t *p_vout, vlc_bool_t b_on_top )
2494 {
2495     if( p_vout->p_sys->b_net_wm_state_stays_on_top )
2496     {
2497         XClientMessageEvent event;
2498
2499         memset( &event, 0, sizeof( XClientMessageEvent ) );
2500
2501         event.type = ClientMessage;
2502         event.message_type = p_vout->p_sys->net_wm_state;
2503         event.display = p_vout->p_sys->p_display;
2504         event.window = p_vout->p_sys->p_win->base_window;
2505         event.format = 32;
2506         event.data.l[ 0 ] = b_on_top; /* set property */
2507         event.data.l[ 1 ] = p_vout->p_sys->net_wm_state_stays_on_top;
2508
2509         XSendEvent( p_vout->p_sys->p_display,
2510                     DefaultRootWindow( p_vout->p_sys->p_display ),
2511                     False, SubstructureRedirectMask,
2512                     (XEvent*)&event );
2513     }
2514
2515     return VLC_SUCCESS;
2516 }