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) 1998-2006 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 #ifdef HAVE_X11_EXTENSIONS_XF86VMODE_H
  80 #   include <X11/extensions/xf86vmode.h>
  81 #endif
  82
  83 #include "xcommon.h"
  84
  85 /*****************************************************************************
  86  * Local prototypes
  87  *****************************************************************************/
  88 int  E_(Activate)   ( vlc_object_t * );
  89 void E_(Deactivate) ( vlc_object_t * );
  90
  91 static int  InitVideo      ( vout_thread_t * );
  92 static void EndVideo       ( vout_thread_t * );
  93 static void DisplayVideo   ( vout_thread_t *, picture_t * );
  94 static int  ManageVideo    ( vout_thread_t * );
  95 static int  Control        ( vout_thread_t *, int, va_list );
  96
  97 static int  InitDisplay    ( vout_thread_t * );
  98
  99 static int  CreateWindow   ( vout_thread_t *, x11_window_t * );
 100 static void DestroyWindow  ( vout_thread_t *, x11_window_t * );
 101
 102 static int  NewPicture     ( vout_thread_t *, picture_t * );
 103 static void FreePicture    ( vout_thread_t *, picture_t * );
 104
 105 static IMAGE_TYPE *CreateImage    ( vout_thread_t *,
 106                                     Display *, EXTRA_ARGS, int, int );
 107 #ifdef HAVE_SYS_SHM_H
 108 static IMAGE_TYPE *CreateShmImage ( vout_thread_t *,
 109                                     Display *, EXTRA_ARGS_SHM, int, int );
 110 static vlc_bool_t b_shm = VLC_TRUE;
 111 #endif
 112
 113 static void ToggleFullScreen      ( vout_thread_t * );
 114
 115 static void EnableXScreenSaver    ( vout_thread_t * );
 116 static void DisableXScreenSaver   ( vout_thread_t * );
 117
 118 static void CreateCursor   ( vout_thread_t * );
 119 static void DestroyCursor  ( vout_thread_t * );
 120 static void ToggleCursor   ( vout_thread_t * );
 121
 122 #ifdef MODULE_NAME_IS_xvideo
 123 static int  XVideoGetPort    ( vout_thread_t *, vlc_fourcc_t, vlc_fourcc_t * );
 124 static void XVideoReleasePort( vout_thread_t *, int );
 125 #endif
 126
 127 #ifdef MODULE_NAME_IS_x11
 128 static void SetPalette     ( vout_thread_t *,
 129                              uint16_t *, uint16_t *, uint16_t * );
 130 #endif
 131
 132 static void TestNetWMSupport( vout_thread_t * );
 133 static int ConvertKey( int );
 134
 135 static int WindowOnTop( vout_thread_t *, vlc_bool_t );
 136
 137 static int X11ErrorHandler( Display *, XErrorEvent * );
 138
 139 /*****************************************************************************
 140  * Activate: allocate X11 video thread output method
 141  *****************************************************************************
 142  * This function allocate and initialize a X11 vout method. It uses some of the
 143  * vout properties to choose the window size, and change them according to the
 144  * actual properties of the display.
 145  *****************************************************************************/
 146 int E_(Activate) ( vlc_object_t *p_this )
 147 {
 148     vout_thread_t *p_vout = (vout_thread_t *)p_this;
 149     char *        psz_display;
 150     vlc_value_t   val;
 151
 152 #ifdef MODULE_NAME_IS_xvideo
 153     char *       psz_chroma;
 154     vlc_fourcc_t i_chroma = 0;
 155     vlc_bool_t   b_chroma = 0;
 156 #endif
 157
 158     p_vout->pf_init = InitVideo;
 159     p_vout->pf_end = EndVideo;
 160     p_vout->pf_manage = ManageVideo;
 161     p_vout->pf_render = NULL;
 162     p_vout->pf_display = DisplayVideo;
 163     p_vout->pf_control = Control;
 164
 165     /* Allocate structure */
 166     p_vout->p_sys = malloc( sizeof( vout_sys_t ) );
 167     if( p_vout->p_sys == NULL )
 168     {
 169         msg_Err( p_vout, "out of memory" );
 170         return VLC_ENOMEM;
 171     }
 172
 173     vlc_mutex_init( p_vout, &p_vout->p_sys->lock );
 174
 175     /* Open display, using the "display" config variable or the DISPLAY
 176      * environment variable */
 177     psz_display = config_GetPsz( p_vout, MODULE_STRING "-display" );
 178
 179     p_vout->p_sys->p_display = XOpenDisplay( psz_display );
 180
 181     if( p_vout->p_sys->p_display == NULL )                          /* error */
 182     {
 183         msg_Err( p_vout, "cannot open display %s",
 184                          XDisplayName( psz_display ) );
 185         free( p_vout->p_sys );
 186         if( psz_display ) free( psz_display );
 187         return VLC_EGENERIC;
 188     }
 189     if( psz_display ) free( psz_display );
 190
 191     /* Replace error handler so we can intercept some non-fatal errors */
 192     XSetErrorHandler( X11ErrorHandler );
 193
 194     /* Get a screen ID matching the XOpenDisplay return value */
 195     p_vout->p_sys->i_screen = DefaultScreen( p_vout->p_sys->p_display );
 196
 197 #ifdef MODULE_NAME_IS_xvideo
 198     psz_chroma = config_GetPsz( p_vout, "xvideo-chroma" );
 199     if( psz_chroma )
 200     {
 201         if( strlen( psz_chroma ) >= 4 )
 202         {
 203             /* Do not use direct assignment because we are not sure of the
 204              * alignment. */
 205             memcpy(&i_chroma, psz_chroma, 4);
 206             b_chroma = 1;
 207         }
 208
 209         free( psz_chroma );
 210     }
 211
 212     if( b_chroma )
 213     {
 214         msg_Dbg( p_vout, "forcing chroma 0x%.8x (%4.4s)",
 215                  i_chroma, (char*)&i_chroma );
 216     }
 217     else
 218     {
 219         i_chroma = p_vout->render.i_chroma;
 220     }
 221
 222     /* Check that we have access to an XVideo port providing this chroma */
 223     p_vout->p_sys->i_xvport = XVideoGetPort( p_vout, VLC2X11_FOURCC(i_chroma),
 224                                              &p_vout->output.i_chroma );
 225     if( p_vout->p_sys->i_xvport < 0 )
 226     {
 227         /* If a specific chroma format was requested, then we don't try to
 228          * be cleverer than the user. He knew pretty well what he wanted. */
 229         if( b_chroma )
 230         {
 231             XCloseDisplay( p_vout->p_sys->p_display );
 232             free( p_vout->p_sys );
 233             return VLC_EGENERIC;
 234         }
 235
 236         /* It failed, but it's not completely lost ! We try to open an
 237          * XVideo port for an YUY2 picture. We'll need to do an YUV
 238          * conversion, but at least it has got scaling. */
 239         p_vout->p_sys->i_xvport =
 240                         XVideoGetPort( p_vout, X11_FOURCC('Y','U','Y','2'),
 241                                                &p_vout->output.i_chroma );
 242         if( p_vout->p_sys->i_xvport < 0 )
 243         {
 244             /* It failed, but it's not completely lost ! We try to open an
 245              * XVideo port for a simple 16bpp RGB picture. We'll need to do
 246              * an YUV conversion, but at least it has got scaling. */
 247             p_vout->p_sys->i_xvport =
 248                             XVideoGetPort( p_vout, X11_FOURCC('R','V','1','6'),
 249                                                    &p_vout->output.i_chroma );
 250             if( p_vout->p_sys->i_xvport < 0 )
 251             {
 252                 XCloseDisplay( p_vout->p_sys->p_display );
 253                 free( p_vout->p_sys );
 254                 return VLC_EGENERIC;
 255             }
 256         }
 257     }
 258     p_vout->output.i_chroma = X112VLC_FOURCC(p_vout->output.i_chroma);
 259 #endif
 260
 261     /* Create blank cursor (for mouse cursor autohiding) */
 262     p_vout->p_sys->i_time_mouse_last_moved = mdate();
 263     p_vout->p_sys->b_mouse_pointer_visible = 1;
 264     CreateCursor( p_vout );
 265
 266     /* Set main window's size */
 267     p_vout->p_sys->original_window.i_width = p_vout->i_window_width;
 268     p_vout->p_sys->original_window.i_height = p_vout->i_window_height;
 269     var_Create( p_vout, "video-title", VLC_VAR_STRING | VLC_VAR_DOINHERIT );
 270     /* Spawn base window - this window will include the video output window,
 271      * but also command buttons, subtitles and other indicators */
 272     if( CreateWindow( p_vout, &p_vout->p_sys->original_window ) )
 273     {
 274         msg_Err( p_vout, "cannot create X11 window" );
 275         DestroyCursor( p_vout );
 276         XCloseDisplay( p_vout->p_sys->p_display );
 277         free( p_vout->p_sys );
 278         return VLC_EGENERIC;
 279     }
 280
 281     /* Open and initialize device. */
 282     if( InitDisplay( p_vout ) )
 283     {
 284         msg_Err( p_vout, "cannot initialize X11 display" );
 285         DestroyCursor( p_vout );
 286         DestroyWindow( p_vout, &p_vout->p_sys->original_window );
 287         XCloseDisplay( p_vout->p_sys->p_display );
 288         free( p_vout->p_sys );
 289         return VLC_EGENERIC;
 290     }
 291
 292     /* Disable screen saver */
 293     DisableXScreenSaver( p_vout );
 294
 295     /* Misc init */
 296     p_vout->p_sys->b_altfullscreen = 0;
 297     p_vout->p_sys->i_time_button_last_pressed = 0;
 298
 299     TestNetWMSupport( p_vout );
 300
 301     /* Variable to indicate if the window should be on top of others */
 302     /* Trigger a callback right now */
 303     var_Get( p_vout, "video-on-top", &val );
 304     var_Set( p_vout, "video-on-top", val );
 305
 306     return VLC_SUCCESS;
 307 }
 308
 309 /*****************************************************************************
 310  * Deactivate: destroy X11 video thread output method
 311  *****************************************************************************
 312  * Terminate an output method created by Open
 313  *****************************************************************************/
 314 void E_(Deactivate) ( vlc_object_t *p_this )
 315 {
 316     vout_thread_t *p_vout = (vout_thread_t *)p_this;
 317
 318     /* If the fullscreen window is still open, close it */
 319     if( p_vout->b_fullscreen )
 320     {
 321         ToggleFullScreen( p_vout );
 322     }
 323
 324     /* Restore cursor if it was blanked */
 325     if( !p_vout->p_sys->b_mouse_pointer_visible )
 326     {
 327         ToggleCursor( p_vout );
 328     }
 329
 330 #ifdef MODULE_NAME_IS_x11
 331     /* Destroy colormap */
 332     if( XDefaultDepth(p_vout->p_sys->p_display, p_vout->p_sys->i_screen) == 8 )
 333     {
 334         XFreeColormap( p_vout->p_sys->p_display, p_vout->p_sys->colormap );
 335     }
 336 #elif defined(MODULE_NAME_IS_xvideo)
 337     XVideoReleasePort( p_vout, p_vout->p_sys->i_xvport );
 338 #endif
 339
 340     DestroyCursor( p_vout );
 341     EnableXScreenSaver( p_vout );
 342     DestroyWindow( p_vout, &p_vout->p_sys->original_window );
 343
 344     XCloseDisplay( p_vout->p_sys->p_display );
 345
 346     /* Destroy structure */
 347     vlc_mutex_destroy( &p_vout->p_sys->lock );
 348     free( p_vout->p_sys );
 349 }
 350
 351 /*****************************************************************************
 352  * InitVideo: initialize X11 video thread output method
 353  *****************************************************************************
 354  * This function create the XImages needed by the output thread. It is called
 355  * at the beginning of the thread, but also each time the window is resized.
 356  *****************************************************************************/
 357 static int InitVideo( vout_thread_t *p_vout )
 358 {
 359     int i_index;
 360     picture_t *p_pic;
 361
 362     I_OUTPUTPICTURES = 0;
 363
 364 #ifdef MODULE_NAME_IS_xvideo
 365     /* Initialize the output structure; we already found an XVideo port,
 366      * and the corresponding chroma we will be using. Since we can
 367      * arbitrary scale, stick to the coordinates and aspect. */
 368     p_vout->output.i_width  = p_vout->render.i_width;
 369     p_vout->output.i_height = p_vout->render.i_height;
 370     p_vout->output.i_aspect = p_vout->render.i_aspect;
 371
 372     p_vout->fmt_out = p_vout->fmt_in;
 373     p_vout->fmt_out.i_chroma = p_vout->output.i_chroma;
 374
 375     switch( p_vout->output.i_chroma )
 376     {
 377         case VLC_FOURCC('R','V','1','6'):
 378 #if defined( WORDS_BIGENDIAN )
 379             p_vout->output.i_rmask = 0xf800;
 380             p_vout->output.i_gmask = 0x07e0;
 381             p_vout->output.i_bmask = 0x001f;
 382 #else
 383             p_vout->output.i_rmask = 0x001f;
 384             p_vout->output.i_gmask = 0x07e0;
 385             p_vout->output.i_bmask = 0xf800;
 386 #endif
 387             break;
 388         case VLC_FOURCC('R','V','1','5'):
 389 #if defined( WORDS_BIGENDIAN )
 390             p_vout->output.i_rmask = 0x7c00;
 391             p_vout->output.i_gmask = 0x03e0;
 392             p_vout->output.i_bmask = 0x001f;
 393 #else
 394             p_vout->output.i_rmask = 0x001f;
 395             p_vout->output.i_gmask = 0x03e0;
 396             p_vout->output.i_bmask = 0x7c00;
 397 #endif
 398             break;
 399     }
 400
 401 #elif defined(MODULE_NAME_IS_x11)
 402     /* Initialize the output structure: RGB with square pixels, whatever
 403      * the input format is, since it's the only format we know */
 404     switch( p_vout->p_sys->i_screen_depth )
 405     {
 406         case 8: /* FIXME: set the palette */
 407             p_vout->output.i_chroma = VLC_FOURCC('R','G','B','2'); break;
 408         case 15:
 409             p_vout->output.i_chroma = VLC_FOURCC('R','V','1','5'); break;
 410         case 16:
 411             p_vout->output.i_chroma = VLC_FOURCC('R','V','1','6'); break;
 412         case 24:
 413         case 32:
 414             p_vout->output.i_chroma = VLC_FOURCC('R','V','3','2'); break;
 415         default:
 416             msg_Err( p_vout, "unknown screen depth %i",
 417                      p_vout->p_sys->i_screen_depth );
 418             return VLC_SUCCESS;
 419     }
 420
 421     vout_PlacePicture( p_vout, p_vout->p_sys->p_win->i_width,
 422                        p_vout->p_sys->p_win->i_height,
 423                        &i_index, &i_index,
 424                        &p_vout->fmt_out.i_visible_width,
 425                        &p_vout->fmt_out.i_visible_height );
 426
 427     p_vout->fmt_out.i_chroma = p_vout->output.i_chroma;
 428
 429     p_vout->output.i_width = p_vout->fmt_out.i_width =
 430         p_vout->fmt_out.i_visible_width * p_vout->fmt_in.i_width /
 431         p_vout->fmt_in.i_visible_width;
 432     p_vout->output.i_height = p_vout->fmt_out.i_height =
 433         p_vout->fmt_out.i_visible_height * p_vout->fmt_in.i_height /
 434         p_vout->fmt_in.i_visible_height;
 435     p_vout->fmt_out.i_x_offset =
 436         p_vout->fmt_out.i_visible_width * p_vout->fmt_in.i_x_offset /
 437         p_vout->fmt_in.i_visible_width;
 438     p_vout->fmt_out.i_y_offset =
 439         p_vout->fmt_out.i_visible_height * p_vout->fmt_in.i_y_offset /
 440         p_vout->fmt_in.i_visible_height;
 441
 442     p_vout->fmt_out.i_sar_num = p_vout->fmt_out.i_sar_den = 1;
 443     p_vout->output.i_aspect = p_vout->fmt_out.i_aspect =
 444         p_vout->fmt_out.i_width * VOUT_ASPECT_FACTOR /p_vout->fmt_out.i_height;
 445
 446     msg_Dbg( p_vout, "x11 image size %ix%i (%i,%i,%ix%i)",
 447              p_vout->fmt_out.i_width, p_vout->fmt_out.i_height,
 448              p_vout->fmt_out.i_x_offset, p_vout->fmt_out.i_y_offset,
 449              p_vout->fmt_out.i_visible_width,
 450              p_vout->fmt_out.i_visible_height );
 451 #endif
 452
 453     /* Try to initialize up to MAX_DIRECTBUFFERS direct buffers */
 454     while( I_OUTPUTPICTURES < MAX_DIRECTBUFFERS )
 455     {
 456         p_pic = NULL;
 457
 458         /* Find an empty picture slot */
 459         for( i_index = 0 ; i_index < VOUT_MAX_PICTURES ; i_index++ )
 460         {
 461           if( p_vout->p_picture[ i_index ].i_status == FREE_PICTURE )
 462             {
 463                 p_pic = p_vout->p_picture + i_index;
 464                 break;
 465             }
 466         }
 467
 468         /* Allocate the picture */
 469         if( p_pic == NULL || NewPicture( p_vout, p_pic ) )
 470         {
 471             break;
 472         }
 473
 474         p_pic->i_status = DESTROYED_PICTURE;
 475         p_pic->i_type   = DIRECT_PICTURE;
 476
 477         PP_OUTPUTPICTURE[ I_OUTPUTPICTURES ] = p_pic;
 478
 479         I_OUTPUTPICTURES++;
 480     }
 481
 482     if( p_vout->output.i_chroma == VLC_FOURCC('Y','V','1','2') )
 483     {
 484         /* U and V inverted compared to I420
 485          * Fixme: this should be handled by the vout core */
 486         p_vout->output.i_chroma = VLC_FOURCC('I','4','2','0');
 487         p_vout->fmt_out.i_chroma = VLC_FOURCC('I','4','2','0');
 488     }
 489
 490     return VLC_SUCCESS;
 491 }
 492
 493 /*****************************************************************************
 494  * DisplayVideo: displays previously rendered output
 495  *****************************************************************************
 496  * This function sends the currently rendered image to X11 server.
 497  * (The Xv extension takes care of "double-buffering".)
 498  *****************************************************************************/
 499 static void DisplayVideo( vout_thread_t *p_vout, picture_t *p_pic )
 500 {
 501     int i_width, i_height, i_x, i_y;
 502
 503     vout_PlacePicture( p_vout, p_vout->p_sys->p_win->i_width,
 504                        p_vout->p_sys->p_win->i_height,
 505                        &i_x, &i_y, &i_width, &i_height );
 506
 507     vlc_mutex_lock( &p_vout->p_sys->lock );
 508
 509 #ifdef HAVE_SYS_SHM_H
 510     if( p_vout->p_sys->b_shm )
 511     {
 512         /* Display rendered image using shared memory extension */
 513 #   ifdef MODULE_NAME_IS_xvideo
 514         XvShmPutImage( p_vout->p_sys->p_display, p_vout->p_sys->i_xvport,
 515                        p_vout->p_sys->p_win->video_window,
 516                        p_vout->p_sys->p_win->gc, p_pic->p_sys->p_image,
 517                        p_vout->fmt_out.i_x_offset,
 518                        p_vout->fmt_out.i_y_offset,
 519                        p_vout->fmt_out.i_visible_width,
 520                        p_vout->fmt_out.i_visible_height,
 521                        0 /*dest_x*/, 0 /*dest_y*/, i_width, i_height,
 522                        False /* Don't put True here or you'll waste your CPU */ );
 523 #   else
 524         XShmPutImage( p_vout->p_sys->p_display,
 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                       0 /*dest_x*/, 0 /*dest_y*/,
 530                       p_vout->fmt_out.i_visible_width,
 531                       p_vout->fmt_out.i_visible_height,
 532                       False /* Don't put True here ! */ );
 533 #   endif
 534     }
 535     else
 536 #endif /* HAVE_SYS_SHM_H */
 537     {
 538         /* Use standard XPutImage -- this is gonna be slow ! */
 539 #ifdef MODULE_NAME_IS_xvideo
 540         XvPutImage( p_vout->p_sys->p_display, p_vout->p_sys->i_xvport,
 541                     p_vout->p_sys->p_win->video_window,
 542                     p_vout->p_sys->p_win->gc, p_pic->p_sys->p_image,
 543                     p_vout->fmt_out.i_x_offset,
 544                     p_vout->fmt_out.i_y_offset,
 545                     p_vout->fmt_out.i_visible_width,
 546                     p_vout->fmt_out.i_visible_height,
 547                     0 /*dest_x*/, 0 /*dest_y*/, i_width, i_height );
 548 #else
 549         XPutImage( p_vout->p_sys->p_display,
 550                    p_vout->p_sys->p_win->video_window,
 551                    p_vout->p_sys->p_win->gc, p_pic->p_sys->p_image,
 552                    p_vout->fmt_out.i_x_offset,
 553                    p_vout->fmt_out.i_y_offset,
 554                    0 /*dest_x*/, 0 /*dest_y*/,
 555                    p_vout->fmt_out.i_visible_width,
 556                    p_vout->fmt_out.i_visible_height );
 557 #endif
 558     }
 559
 560     /* Make sure the command is sent now - do NOT use XFlush !*/
 561     XSync( p_vout->p_sys->p_display, False );
 562
 563     vlc_mutex_unlock( &p_vout->p_sys->lock );
 564 }
 565
 566 /*****************************************************************************
 567  * ManageVideo: handle X11 events
 568  *****************************************************************************
 569  * This function should be called regularly by video output thread. It manages
 570  * X11 events and allows window resizing. It returns a non null value on
 571  * error.
 572  *****************************************************************************/
 573 static int ManageVideo( vout_thread_t *p_vout )
 574 {
 575     XEvent      xevent;                                         /* X11 event */
 576     vlc_value_t val;
 577
 578     vlc_mutex_lock( &p_vout->p_sys->lock );
 579
 580     /* Handle events from the owner window */
 581     if( p_vout->p_sys->p_win->owner_window )
 582     {
 583         while( XCheckWindowEvent( p_vout->p_sys->p_display,
 584                                   p_vout->p_sys->p_win->owner_window,
 585                                   StructureNotifyMask, &xevent ) == True )
 586         {
 587             /* ConfigureNotify event: prepare  */
 588             if( xevent.type == ConfigureNotify )
 589             {
 590                 /* Update dimensions */
 591                 XResizeWindow( p_vout->p_sys->p_display,
 592                                p_vout->p_sys->p_win->base_window,
 593                                xevent.xconfigure.width,
 594                                xevent.xconfigure.height );
 595             }
 596         }
 597     }
 598
 599     /* Handle X11 events: ConfigureNotify events are parsed to know if the
 600      * output window's size changed, MapNotify and UnmapNotify to know if the
 601      * window is mapped (and if the display is useful), and ClientMessages
 602      * to intercept window destruction requests */
 603
 604     while( XCheckWindowEvent( p_vout->p_sys->p_display,
 605                               p_vout->p_sys->p_win->base_window,
 606                               StructureNotifyMask | KeyPressMask |
 607                               ButtonPressMask | ButtonReleaseMask |
 608                               PointerMotionMask | Button1MotionMask , &xevent )
 609            == True )
 610     {
 611         /* ConfigureNotify event: prepare  */
 612         if( xevent.type == ConfigureNotify )
 613         {
 614             if( (unsigned int)xevent.xconfigure.width
 615                    != p_vout->p_sys->p_win->i_width
 616               || (unsigned int)xevent.xconfigure.height
 617                     != p_vout->p_sys->p_win->i_height )
 618             {
 619                 /* Update dimensions */
 620                 p_vout->i_changes |= VOUT_SIZE_CHANGE;
 621                 p_vout->p_sys->p_win->i_width = xevent.xconfigure.width;
 622                 p_vout->p_sys->p_win->i_height = xevent.xconfigure.height;
 623             }
 624         }
 625         /* Keyboard event */
 626         else if( xevent.type == KeyPress )
 627         {
 628             unsigned int state = xevent.xkey.state;
 629             KeySym x_key_symbol;
 630             char i_key;                                   /* ISO Latin-1 key */
 631
 632             /* We may have keys like F1 trough F12, ESC ... */
 633             x_key_symbol = XKeycodeToKeysym( p_vout->p_sys->p_display,
 634                                              xevent.xkey.keycode, 0 );
 635             val.i_int = ConvertKey( (int)x_key_symbol );
 636
 637             xevent.xkey.state &= ~ShiftMask;
 638             xevent.xkey.state &= ~ControlMask;
 639             xevent.xkey.state &= ~Mod1Mask;
 640
 641             if( !val.i_int &&
 642                 XLookupString( &xevent.xkey, &i_key, 1, NULL, NULL ) )
 643             {
 644                 /* "Normal Keys"
 645                  * The reason why I use this instead of XK_0 is that
 646                  * with XLookupString, we don't have to care about
 647                  * keymaps. */
 648                 val.i_int = i_key;
 649             }
 650
 651             if( val.i_int )
 652             {
 653                 if( state & ShiftMask )
 654                 {
 655                     val.i_int |= KEY_MODIFIER_SHIFT;
 656                 }
 657                 if( state & ControlMask )
 658                 {
 659                     val.i_int |= KEY_MODIFIER_CTRL;
 660                 }
 661                 if( state & Mod1Mask )
 662                 {
 663                     val.i_int |= KEY_MODIFIER_ALT;
 664                 }
 665                 var_Set( p_vout->p_vlc, "key-pressed", val );
 666             }
 667         }
 668         /* Mouse click */
 669         else if( xevent.type == ButtonPress )
 670         {
 671             switch( ((XButtonEvent *)&xevent)->button )
 672             {
 673                 case Button1:
 674                     var_Get( p_vout, "mouse-button-down", &val );
 675                     val.i_int |= 1;
 676                     var_Set( p_vout, "mouse-button-down", val );
 677
 678                     /* detect double-clicks */
 679                     if( ( ((XButtonEvent *)&xevent)->time -
 680                           p_vout->p_sys->i_time_button_last_pressed ) < 300 )
 681                     {
 682                         p_vout->i_changes |= VOUT_FULLSCREEN_CHANGE;
 683                     }
 684
 685                     p_vout->p_sys->i_time_button_last_pressed =
 686                         ((XButtonEvent *)&xevent)->time;
 687                     break;
 688                 case Button2:
 689                     var_Get( p_vout, "mouse-button-down", &val );
 690                     val.i_int |= 2;
 691                     var_Set( p_vout, "mouse-button-down", val );
 692                     break;
 693
 694                 case Button3:
 695                     var_Get( p_vout, "mouse-button-down", &val );
 696                     val.i_int |= 4;
 697                     var_Set( p_vout, "mouse-button-down", val );
 698                     break;
 699
 700                 case Button4:
 701                     var_Get( p_vout, "mouse-button-down", &val );
 702                     val.i_int |= 8;
 703                     var_Set( p_vout, "mouse-button-down", val );
 704                     break;
 705
 706                 case Button5:
 707                     var_Get( p_vout, "mouse-button-down", &val );
 708                     val.i_int |= 16;
 709                     var_Set( p_vout, "mouse-button-down", val );
 710                     break;
 711             }
 712         }
 713         /* Mouse release */
 714         else if( xevent.type == ButtonRelease )
 715         {
 716             switch( ((XButtonEvent *)&xevent)->button )
 717             {
 718                 case Button1:
 719                     var_Get( p_vout, "mouse-button-down", &val );
 720                     val.i_int &= ~1;
 721                     var_Set( p_vout, "mouse-button-down", val );
 722
 723                     val.b_bool = VLC_TRUE;
 724                     var_Set( p_vout, "mouse-clicked", val );
 725                     break;
 726
 727                 case Button2:
 728                     {
 729                         playlist_t *p_playlist;
 730
 731                         var_Get( p_vout, "mouse-button-down", &val );
 732                         val.i_int &= ~2;
 733                         var_Set( p_vout, "mouse-button-down", val );
 734
 735                         p_playlist = vlc_object_find( p_vout,
 736                                                       VLC_OBJECT_PLAYLIST,
 737                                                       FIND_ANYWHERE );
 738                         if( p_playlist != NULL )
 739                         {
 740                             vlc_value_t val;
 741                             var_Get( p_playlist, "intf-show", &val );
 742                             val.b_bool = !val.b_bool;
 743                             var_Set( p_playlist, "intf-show", val );
 744                             vlc_object_release( p_playlist );
 745                         }
 746                     }
 747                     break;
 748
 749                 case Button3:
 750                     {
 751                         intf_thread_t *p_intf;
 752                         playlist_t *p_playlist;
 753
 754                         var_Get( p_vout, "mouse-button-down", &val );
 755                         val.i_int &= ~4;
 756                         var_Set( p_vout, "mouse-button-down", val );
 757                         p_intf = vlc_object_find( p_vout, VLC_OBJECT_INTF,
 758                                                           FIND_ANYWHERE );
 759                         if( p_intf )
 760                         {
 761                             p_intf->b_menu_change = 1;
 762                             vlc_object_release( p_intf );
 763                         }
 764
 765                         p_playlist = vlc_object_find( p_vout,
 766                                                       VLC_OBJECT_PLAYLIST,
 767                                                       FIND_ANYWHERE );
 768                         if( p_playlist != NULL )
 769                         {
 770                             vlc_value_t val; val.b_bool = VLC_TRUE;
 771                             var_Set( p_playlist, "intf-popupmenu", val );
 772                             vlc_object_release( p_playlist );
 773                         }
 774                     }
 775                     break;
 776
 777                 case Button4:
 778                     var_Get( p_vout, "mouse-button-down", &val );
 779                     val.i_int &= ~8;
 780                     var_Set( p_vout, "mouse-button-down", val );
 781                     break;
 782
 783                 case Button5:
 784                     var_Get( p_vout, "mouse-button-down", &val );
 785                     val.i_int &= ~16;
 786                     var_Set( p_vout, "mouse-button-down", val );
 787                     break;
 788
 789             }
 790         }
 791         /* Mouse move */
 792         else if( xevent.type == MotionNotify )
 793         {
 794             int i_width, i_height, i_x, i_y;
 795             vlc_value_t val;
 796
 797             /* somewhat different use for vout_PlacePicture:
 798              * here the values are needed to give to mouse coordinates
 799              * in the original picture space */
 800             vout_PlacePicture( p_vout, p_vout->p_sys->p_win->i_width,
 801                                p_vout->p_sys->p_win->i_height,
 802                                &i_x, &i_y, &i_width, &i_height );
 803
 804             val.i_int = ( xevent.xmotion.x - i_x ) *
 805                 p_vout->fmt_in.i_visible_width / i_width +
 806                 p_vout->fmt_in.i_x_offset;
 807             var_Set( p_vout, "mouse-x", val );
 808             val.i_int = ( xevent.xmotion.y - i_y ) *
 809                 p_vout->fmt_in.i_visible_height / i_height +
 810                 p_vout->fmt_in.i_y_offset;
 811             var_Set( p_vout, "mouse-y", val );
 812
 813             val.b_bool = VLC_TRUE;
 814             var_Set( p_vout, "mouse-moved", val );
 815
 816             p_vout->p_sys->i_time_mouse_last_moved = mdate();
 817             if( ! p_vout->p_sys->b_mouse_pointer_visible )
 818             {
 819                 ToggleCursor( p_vout );
 820             }
 821         }
 822         else if( xevent.type == ReparentNotify /* XXX: why do we get this? */
 823                   || xevent.type == MapNotify
 824                   || xevent.type == UnmapNotify )
 825         {
 826             /* Ignore these events */
 827         }
 828         else /* Other events */
 829         {
 830             msg_Warn( p_vout, "unhandled event %d received", xevent.type );
 831         }
 832     }
 833
 834     /* Handle events for video output sub-window */
 835     while( XCheckWindowEvent( p_vout->p_sys->p_display,
 836                               p_vout->p_sys->p_win->video_window,
 837                               ExposureMask, &xevent ) == True )
 838     {
 839         /* Window exposed (only handled if stream playback is paused) */
 840         if( xevent.type == Expose )
 841         {
 842             if( ((XExposeEvent *)&xevent)->count == 0 )
 843             {
 844                 /* (if this is the last a collection of expose events...) */
 845 #if 0
 846                 if( p_vout->p_vlc->p_input_bank->pp_input[0] != NULL )
 847                 {
 848                     if( PAUSE_S == p_vout->p_vlc->p_input_bank->pp_input[0]
 849                                                    ->stream.control.i_status )
 850                     {
 851                         /* XVideoDisplay( p_vout )*/;
 852                     }
 853                 }
 854 #endif
 855             }
 856         }
 857     }
 858
 859     /* ClientMessage event - only WM_PROTOCOLS with WM_DELETE_WINDOW data
 860      * are handled - according to the man pages, the format is always 32
 861      * in this case */
 862     while( XCheckTypedEvent( p_vout->p_sys->p_display,
 863                              ClientMessage, &xevent ) )
 864     {
 865         if( (xevent.xclient.message_type == p_vout->p_sys->p_win->wm_protocols)
 866                && ((Atom)xevent.xclient.data.l[0]
 867                      == p_vout->p_sys->p_win->wm_delete_window ) )
 868         {
 869             /* the user wants to close the window */
 870             playlist_t * p_playlist =
 871                 (playlist_t *)vlc_object_find( p_vout, VLC_OBJECT_PLAYLIST,
 872                                                FIND_ANYWHERE );
 873             if( p_playlist != NULL )
 874             {
 875                 playlist_Stop( p_playlist );
 876                 vlc_object_release( p_playlist );
 877             }
 878         }
 879     }
 880
 881     /*
 882      * Fullscreen Change
 883      */
 884     if ( p_vout->i_changes & VOUT_FULLSCREEN_CHANGE )
 885     {
 886         vlc_value_t val;
 887
 888         /* Update the object variable and trigger callback */
 889         val.b_bool = !p_vout->b_fullscreen;
 890         var_Set( p_vout, "fullscreen", val );
 891
 892         ToggleFullScreen( p_vout );
 893         p_vout->i_changes &= ~VOUT_FULLSCREEN_CHANGE;
 894     }
 895
 896     if( p_vout->i_changes & VOUT_CROP_CHANGE ||
 897         p_vout->i_changes & VOUT_ASPECT_CHANGE )
 898     {
 899         p_vout->i_changes &= ~VOUT_CROP_CHANGE;
 900         p_vout->i_changes &= ~VOUT_ASPECT_CHANGE;
 901
 902         p_vout->fmt_out.i_x_offset = p_vout->fmt_in.i_x_offset;
 903         p_vout->fmt_out.i_y_offset = p_vout->fmt_in.i_y_offset;
 904         p_vout->fmt_out.i_visible_width = p_vout->fmt_in.i_visible_width;
 905         p_vout->fmt_out.i_visible_height = p_vout->fmt_in.i_visible_height;
 906         p_vout->fmt_out.i_aspect = p_vout->fmt_in.i_aspect;
 907         p_vout->fmt_out.i_sar_num = p_vout->fmt_in.i_sar_num;
 908         p_vout->fmt_out.i_sar_den = p_vout->fmt_in.i_sar_den;
 909         p_vout->output.i_aspect = p_vout->fmt_in.i_aspect;
 910
 911         p_vout->i_changes |= VOUT_SIZE_CHANGE;
 912     }
 913
 914     /*
 915      * Size change
 916      *
 917      * (Needs to be placed after VOUT_FULLSREEN_CHANGE because we can activate
 918      *  the size flag inside the fullscreen routine)
 919      */
 920     if( p_vout->i_changes & VOUT_SIZE_CHANGE )
 921     {
 922         int i_width, i_height, i_x, i_y;
 923
 924         p_vout->i_changes &= ~VOUT_SIZE_CHANGE;
 925
 926 #ifdef MODULE_NAME_IS_x11
 927         /* We need to signal the vout thread about the size change because it
 928          * is doing the rescaling */
 929         p_vout->i_changes |= VOUT_SIZE_CHANGE;
 930 #endif
 931
 932         vout_PlacePicture( p_vout, p_vout->p_sys->p_win->i_width,
 933                            p_vout->p_sys->p_win->i_height,
 934                            &i_x, &i_y, &i_width, &i_height );
 935
 936         XMoveResizeWindow( p_vout->p_sys->p_display,
 937                            p_vout->p_sys->p_win->video_window,
 938                            i_x, i_y, i_width, i_height );
 939     }
 940
 941     /* Autohide Cursour */
 942     if( mdate() - p_vout->p_sys->i_time_mouse_last_moved > 2000000 )
 943     {
 944         /* Hide the mouse automatically */
 945         if( p_vout->p_sys->b_mouse_pointer_visible )
 946         {
 947             ToggleCursor( p_vout );
 948         }
 949     }
 950
 951     vlc_mutex_unlock( &p_vout->p_sys->lock );
 952
 953     return 0;
 954 }
 955
 956 /*****************************************************************************
 957  * EndVideo: terminate X11 video thread output method
 958  *****************************************************************************
 959  * Destroy the X11 XImages created by Init. It is called at the end of
 960  * the thread, but also each time the window is resized.
 961  *****************************************************************************/
 962 static void EndVideo( vout_thread_t *p_vout )
 963 {
 964     int i_index;
 965
 966     /* Free the direct buffers we allocated */
 967     for( i_index = I_OUTPUTPICTURES ; i_index ; )
 968     {
 969         i_index--;
 970         FreePicture( p_vout, PP_OUTPUTPICTURE[ i_index ] );
 971     }
 972 }
 973
 974 /* following functions are local */
 975
 976 /*****************************************************************************
 977  * CreateWindow: open and set-up X11 main window
 978  *****************************************************************************/
 979 static int CreateWindow( vout_thread_t *p_vout, x11_window_t *p_win )
 980 {
 981     XSizeHints              xsize_hints;
 982     XSetWindowAttributes    xwindow_attributes;
 983     XGCValues               xgcvalues;
 984     XEvent                  xevent;
 985
 986     vlc_bool_t              b_expose = VLC_FALSE;
 987     vlc_bool_t              b_configure_notify = VLC_FALSE;
 988     vlc_bool_t              b_map_notify = VLC_FALSE;
 989     vlc_value_t             val;
 990
 991     /* Prepare window manager hints and properties */
 992     p_win->wm_protocols =
 993              XInternAtom( p_vout->p_sys->p_display, "WM_PROTOCOLS", True );
 994     p_win->wm_delete_window =
 995              XInternAtom( p_vout->p_sys->p_display, "WM_DELETE_WINDOW", True );
 996
 997     /* Never have a 0-pixel-wide window */
 998     xsize_hints.min_width = 2;
 999     xsize_hints.min_height = 1;
1000
1001     /* Prepare window attributes */
1002     xwindow_attributes.backing_store = Always;       /* save the hidden part */
1003     xwindow_attributes.background_pixel = BlackPixel(p_vout->p_sys->p_display,
1004                                                      p_vout->p_sys->i_screen);
1005     xwindow_attributes.event_mask = ExposureMask | StructureNotifyMask;
1006
1007     if( !p_vout->b_fullscreen )
1008     {
1009         p_win->owner_window =
1010             (Window)vout_RequestWindow( p_vout, &p_win->i_x, &p_win->i_y,
1011                                         &p_win->i_width, &p_win->i_height );
1012
1013         xsize_hints.base_width  = xsize_hints.width = p_win->i_width;
1014         xsize_hints.base_height = xsize_hints.height = p_win->i_height;
1015         xsize_hints.flags       = PSize | PMinSize;
1016
1017         if( p_win->i_x >=0 || p_win->i_y >= 0 )
1018         {
1019             xsize_hints.x = p_win->i_x;
1020             xsize_hints.y = p_win->i_y;
1021             xsize_hints.flags |= PPosition;
1022         }
1023     }
1024     else
1025     {
1026         /* Fullscreen window size and position */
1027         p_win->owner_window = 0;
1028         p_win->i_x = p_win->i_y = 0;
1029         p_win->i_width =
1030             DisplayWidth( p_vout->p_sys->p_display, p_vout->p_sys->i_screen );
1031         p_win->i_height =
1032             DisplayHeight( p_vout->p_sys->p_display, p_vout->p_sys->i_screen );
1033     }
1034
1035     if( !p_win->owner_window )
1036     {
1037         /* Create the window and set hints - the window must receive
1038          * ConfigureNotify events, and until it is displayed, Expose and
1039          * MapNotify events. */
1040
1041         p_win->base_window =
1042             XCreateWindow( p_vout->p_sys->p_display,
1043                            DefaultRootWindow( p_vout->p_sys->p_display ),
1044                            p_win->i_x, p_win->i_y,
1045                            p_win->i_width, p_win->i_height,
1046                            0,
1047                            0, InputOutput, 0,
1048                            CWBackingStore | CWBackPixel | CWEventMask,
1049                            &xwindow_attributes );
1050
1051         if( !p_vout->b_fullscreen )
1052         {
1053             /* Set window manager hints and properties: size hints, command,
1054              * window's name, and accepted protocols */
1055             XSetWMNormalHints( p_vout->p_sys->p_display,
1056                                p_win->base_window, &xsize_hints );
1057             XSetCommand( p_vout->p_sys->p_display, p_win->base_window,
1058                          p_vout->p_vlc->ppsz_argv, p_vout->p_vlc->i_argc );
1059
1060             if( !var_GetBool( p_vout, "video-deco") )
1061             {
1062                 Atom prop;
1063                 mwmhints_t mwmhints;
1064
1065                 mwmhints.flags = MWM_HINTS_DECORATIONS;
1066                 mwmhints.decorations = False;
1067
1068                 prop = XInternAtom( p_vout->p_sys->p_display, "_MOTIF_WM_HINTS",
1069                                     False );
1070
1071                 XChangeProperty( p_vout->p_sys->p_display,
1072                                  p_win->base_window,
1073                                  prop, prop, 32, PropModeReplace,
1074                                  (unsigned char *)&mwmhints,
1075                                  PROP_MWM_HINTS_ELEMENTS );
1076             }
1077             else
1078             {
1079                  var_Get( p_vout, "video-title", &val );
1080                  if( !val.psz_string || !*val.psz_string )
1081                  {
1082                     XStoreName( p_vout->p_sys->p_display, p_win->base_window,
1083 #ifdef MODULE_NAME_IS_x11
1084                                 VOUT_TITLE " (X11 output)"
1085 #elif defined(MODULE_NAME_IS_glx)
1086                                 VOUT_TITLE " (GLX output)"
1087 #else
1088                                 VOUT_TITLE " (XVideo output)"
1089 #endif
1090                       );
1091                 }
1092                 else
1093                 {
1094                     XStoreName( p_vout->p_sys->p_display,
1095                                p_win->base_window, val.psz_string );
1096                 }
1097             }
1098         }
1099     }
1100     else
1101     {
1102         Window dummy1;
1103         unsigned int dummy2, dummy3;
1104
1105         /* Select events we are interested in. */
1106         XSelectInput( p_vout->p_sys->p_display, p_win->owner_window,
1107                       StructureNotifyMask );
1108
1109         /* Get the parent window's geometry information */
1110         XGetGeometry( p_vout->p_sys->p_display, p_win->owner_window,
1111                       &dummy1, &dummy2, &dummy3,
1112                       &p_win->i_width,
1113                       &p_win->i_height,
1114                       &dummy2, &dummy3 );
1115
1116         /* We are already configured */
1117         b_configure_notify = VLC_TRUE;
1118
1119         /* From man XSelectInput: only one client at a time can select a
1120          * ButtonPress event, so we need to open a new window anyway. */
1121         p_win->base_window =
1122             XCreateWindow( p_vout->p_sys->p_display,
1123                            p_win->owner_window,
1124                            0, 0,
1125                            p_win->i_width, p_win->i_height,
1126                            0,
1127                            0, CopyFromParent, 0,
1128                            CWBackingStore | CWBackPixel | CWEventMask,
1129                            &xwindow_attributes );
1130     }
1131
1132     if( (p_win->wm_protocols == None)        /* use WM_DELETE_WINDOW */
1133         || (p_win->wm_delete_window == None)
1134         || !XSetWMProtocols( p_vout->p_sys->p_display, p_win->base_window,
1135                              &p_win->wm_delete_window, 1 ) )
1136     {
1137         /* WM_DELETE_WINDOW is not supported by window manager */
1138         msg_Warn( p_vout, "missing or bad window manager" );
1139     }
1140
1141     /* Creation of a graphic context that doesn't generate a GraphicsExpose
1142      * event when using functions like XCopyArea */
1143     xgcvalues.graphics_exposures = False;
1144     p_win->gc = XCreateGC( p_vout->p_sys->p_display,
1145                            p_win->base_window,
1146                            GCGraphicsExposures, &xgcvalues );
1147
1148     /* Send orders to server, and wait until window is displayed - three
1149      * events must be received: a MapNotify event, an Expose event allowing
1150      * drawing in the window, and a ConfigureNotify to get the window
1151      * dimensions. Once those events have been received, only
1152      * ConfigureNotify events need to be received. */
1153     XMapWindow( p_vout->p_sys->p_display, p_win->base_window );
1154     do
1155     {
1156         XWindowEvent( p_vout->p_sys->p_display, p_win->base_window,
1157                       SubstructureNotifyMask | StructureNotifyMask |
1158                       ExposureMask, &xevent);
1159         if( (xevent.type == Expose)
1160             && (xevent.xexpose.window == p_win->base_window) )
1161         {
1162             b_expose = VLC_TRUE;
1163             /* ConfigureNotify isn't sent if there isn't a window manager.
1164              * Expose should be the last event to be received so it should
1165              * be fine to assume we won't receive it anymore. */
1166             b_configure_notify = VLC_TRUE;
1167         }
1168         else if( (xevent.type == MapNotify)
1169                  && (xevent.xmap.window == p_win->base_window) )
1170         {
1171             b_map_notify = VLC_TRUE;
1172         }
1173         else if( (xevent.type == ConfigureNotify)
1174                  && (xevent.xconfigure.window == p_win->base_window) )
1175         {
1176             b_configure_notify = VLC_TRUE;
1177             p_win->i_width = xevent.xconfigure.width;
1178             p_win->i_height = xevent.xconfigure.height;
1179         }
1180     } while( !( b_expose && b_configure_notify && b_map_notify ) );
1181
1182     XSelectInput( p_vout->p_sys->p_display, p_win->base_window,
1183                   StructureNotifyMask | KeyPressMask |
1184                   ButtonPressMask | ButtonReleaseMask |
1185                   PointerMotionMask );
1186
1187 #ifdef MODULE_NAME_IS_x11
1188     if( XDefaultDepth(p_vout->p_sys->p_display, p_vout->p_sys->i_screen) == 8 )
1189     {
1190         /* Allocate a new palette */
1191         p_vout->p_sys->colormap =
1192             XCreateColormap( p_vout->p_sys->p_display,
1193                              DefaultRootWindow( p_vout->p_sys->p_display ),
1194                              DefaultVisual( p_vout->p_sys->p_display,
1195                                             p_vout->p_sys->i_screen ),
1196                              AllocAll );
1197
1198         xwindow_attributes.colormap = p_vout->p_sys->colormap;
1199         XChangeWindowAttributes( p_vout->p_sys->p_display, p_win->base_window,
1200                                  CWColormap, &xwindow_attributes );
1201     }
1202 #endif
1203
1204     /* Create video output sub-window. */
1205     p_win->video_window =  XCreateSimpleWindow(
1206                                       p_vout->p_sys->p_display,
1207                                       p_win->base_window, 0, 0,
1208                                       p_win->i_width, p_win->i_height,
1209                                       0,
1210                                       BlackPixel( p_vout->p_sys->p_display,
1211                                                   p_vout->p_sys->i_screen ),
1212                                       WhitePixel( p_vout->p_sys->p_display,
1213                                                   p_vout->p_sys->i_screen ) );
1214
1215     XSetWindowBackground( p_vout->p_sys->p_display, p_win->video_window,
1216                           BlackPixel( p_vout->p_sys->p_display,
1217                                       p_vout->p_sys->i_screen ) );
1218
1219     XMapWindow( p_vout->p_sys->p_display, p_win->video_window );
1220     XSelectInput( p_vout->p_sys->p_display, p_win->video_window,
1221                   ExposureMask );
1222
1223     /* make sure the video window will be centered in the next ManageVideo() */
1224     p_vout->i_changes |= VOUT_SIZE_CHANGE;
1225
1226     /* If the cursor was formerly blank than blank it again */
1227     if( !p_vout->p_sys->b_mouse_pointer_visible )
1228     {
1229         ToggleCursor( p_vout );
1230         ToggleCursor( p_vout );
1231     }
1232
1233     /* Do NOT use XFlush here ! */
1234     XSync( p_vout->p_sys->p_display, False );
1235
1236     /* At this stage, the window is open, displayed, and ready to
1237      * receive data */
1238     p_vout->p_sys->p_win = p_win;
1239
1240     return VLC_SUCCESS;
1241 }
1242
1243 /*****************************************************************************
1244  * DestroyWindow: destroy the window
1245  *****************************************************************************
1246  *
1247  *****************************************************************************/
1248 static void DestroyWindow( vout_thread_t *p_vout, x11_window_t *p_win )
1249 {
1250     /* Do NOT use XFlush here ! */
1251     XSync( p_vout->p_sys->p_display, False );
1252
1253     if( p_win->video_window != None )
1254         XDestroyWindow( p_vout->p_sys->p_display, p_win->video_window );
1255
1256     XFreeGC( p_vout->p_sys->p_display, p_win->gc );
1257
1258     XUnmapWindow( p_vout->p_sys->p_display, p_win->base_window );
1259     XDestroyWindow( p_vout->p_sys->p_display, p_win->base_window );
1260
1261     if( p_win->owner_window )
1262         vout_ReleaseWindow( p_vout, (void *)p_win->owner_window );
1263 }
1264
1265 /*****************************************************************************
1266  * NewPicture: allocate a picture
1267  *****************************************************************************
1268  * Returns 0 on success, -1 otherwise
1269  *****************************************************************************/
1270 static int NewPicture( vout_thread_t *p_vout, picture_t *p_pic )
1271 {
1272 #ifndef MODULE_NAME_IS_glx
1273
1274 #ifdef MODULE_NAME_IS_xvideo
1275     int i_plane;
1276 #endif
1277
1278     /* We know the chroma, allocate a buffer which will be used
1279      * directly by the decoder */
1280     p_pic->p_sys = malloc( sizeof( picture_sys_t ) );
1281
1282     if( p_pic->p_sys == NULL )
1283     {
1284         return -1;
1285     }
1286
1287     /* Fill in picture_t fields */
1288     vout_InitPicture( VLC_OBJECT(p_vout), p_pic, p_vout->output.i_chroma,
1289                       p_vout->output.i_width, p_vout->output.i_height,
1290                       p_vout->output.i_aspect );
1291
1292 #ifdef HAVE_SYS_SHM_H
1293     if( p_vout->p_sys->b_shm )
1294     {
1295         /* Create image using XShm extension */
1296         p_pic->p_sys->p_image =
1297             CreateShmImage( p_vout, p_vout->p_sys->p_display,
1298 #   ifdef MODULE_NAME_IS_xvideo
1299                             p_vout->p_sys->i_xvport,
1300                             VLC2X11_FOURCC(p_vout->output.i_chroma),
1301 #   else
1302                             p_vout->p_sys->p_visual,
1303                             p_vout->p_sys->i_screen_depth,
1304 #   endif
1305                             &p_pic->p_sys->shminfo,
1306                             p_vout->output.i_width, p_vout->output.i_height );
1307     }
1308
1309     if( !p_vout->p_sys->b_shm || !p_pic->p_sys->p_image )
1310 #endif /* HAVE_SYS_SHM_H */
1311     {
1312         /* Create image without XShm extension */
1313         p_pic->p_sys->p_image =
1314             CreateImage( p_vout, p_vout->p_sys->p_display,
1315 #ifdef MODULE_NAME_IS_xvideo
1316                          p_vout->p_sys->i_xvport,
1317                          VLC2X11_FOURCC(p_vout->output.i_chroma),
1318                          p_pic->format.i_bits_per_pixel,
1319 #else
1320                          p_vout->p_sys->p_visual,
1321                          p_vout->p_sys->i_screen_depth,
1322                          p_vout->p_sys->i_bytes_per_pixel,
1323 #endif
1324                          p_vout->output.i_width, p_vout->output.i_height );
1325
1326 #ifdef HAVE_SYS_SHM_H
1327         if( p_pic->p_sys->p_image && p_vout->p_sys->b_shm )
1328         {
1329             msg_Warn( p_vout, "couldn't create SHM image, disabling SHM" );
1330             p_vout->p_sys->b_shm = VLC_FALSE;
1331         }
1332 #endif /* HAVE_SYS_SHM_H */
1333     }
1334
1335     if( p_pic->p_sys->p_image == NULL )
1336     {
1337         free( p_pic->p_sys );
1338         return -1;
1339     }
1340
1341     switch( p_vout->output.i_chroma )
1342     {
1343 #ifdef MODULE_NAME_IS_xvideo
1344         case VLC_FOURCC('I','4','2','0'):
1345         case VLC_FOURCC('Y','V','1','2'):
1346         case VLC_FOURCC('Y','2','1','1'):
1347         case VLC_FOURCC('Y','U','Y','2'):
1348         case VLC_FOURCC('U','Y','V','Y'):
1349         case VLC_FOURCC('R','V','1','5'):
1350         case VLC_FOURCC('R','V','1','6'):
1351         case VLC_FOURCC('R','V','2','4'): /* Fixme: pixel pitch == 4 ? */
1352         case VLC_FOURCC('R','V','3','2'):
1353
1354             for( i_plane = 0; i_plane < p_pic->p_sys->p_image->num_planes;
1355                  i_plane++ )
1356             {
1357                 p_pic->p[i_plane].p_pixels = p_pic->p_sys->p_image->data
1358                     + p_pic->p_sys->p_image->offsets[i_plane];
1359                 p_pic->p[i_plane].i_pitch =
1360                     p_pic->p_sys->p_image->pitches[i_plane];
1361             }
1362             if( p_vout->output.i_chroma == VLC_FOURCC('Y','V','1','2') )
1363             {
1364                 /* U and V inverted compared to I420
1365                  * Fixme: this should be handled by the vout core */
1366                 p_pic->U_PIXELS = p_pic->p_sys->p_image->data
1367                     + p_pic->p_sys->p_image->offsets[2];
1368                 p_pic->V_PIXELS = p_pic->p_sys->p_image->data
1369                     + p_pic->p_sys->p_image->offsets[1];
1370             }
1371             break;
1372
1373 #else
1374         case VLC_FOURCC('R','G','B','2'):
1375         case VLC_FOURCC('R','V','1','6'):
1376         case VLC_FOURCC('R','V','1','5'):
1377         case VLC_FOURCC('R','V','2','4'):
1378         case VLC_FOURCC('R','V','3','2'):
1379
1380             p_pic->p->i_lines = p_pic->p_sys->p_image->height;
1381             p_pic->p->i_visible_lines = p_pic->p_sys->p_image->height;
1382             p_pic->p->p_pixels = p_pic->p_sys->p_image->data
1383                                   + p_pic->p_sys->p_image->xoffset;
1384             p_pic->p->i_pitch = p_pic->p_sys->p_image->bytes_per_line;
1385
1386             /* p_pic->p->i_pixel_pitch = 4 for RV24 but this should be set
1387              * properly by vout_InitPicture() */
1388             p_pic->p->i_visible_pitch = p_pic->p->i_pixel_pitch
1389                                          * p_pic->p_sys->p_image->width;
1390             break;
1391 #endif
1392
1393         default:
1394             /* Unknown chroma, tell the guy to get lost */
1395             IMAGE_FREE( p_pic->p_sys->p_image );
1396             free( p_pic->p_sys );
1397             msg_Err( p_vout, "never heard of chroma 0x%.8x (%4.4s)",
1398                      p_vout->output.i_chroma, (char*)&p_vout->output.i_chroma );
1399             p_pic->i_planes = 0;
1400             return -1;
1401     }
1402
1403 #endif /* !MODULE_NAME_IS_glx */
1404
1405     return 0;
1406 }
1407
1408 /*****************************************************************************
1409  * FreePicture: destroy a picture allocated with NewPicture
1410  *****************************************************************************
1411  * Destroy XImage AND associated data. If using Shm, detach shared memory
1412  * segment from server and process, then free it. The XDestroyImage manpage
1413  * says that both the image structure _and_ the data pointed to by the
1414  * image structure are freed, so no need to free p_image->data.
1415  *****************************************************************************/
1416 static void FreePicture( vout_thread_t *p_vout, picture_t *p_pic )
1417 {
1418     /* The order of operations is correct */
1419 #ifdef HAVE_SYS_SHM_H
1420     if( p_vout->p_sys->b_shm )
1421     {
1422         XShmDetach( p_vout->p_sys->p_display, &p_pic->p_sys->shminfo );
1423         IMAGE_FREE( p_pic->p_sys->p_image );
1424
1425         shmctl( p_pic->p_sys->shminfo.shmid, IPC_RMID, 0 );
1426         if( shmdt( p_pic->p_sys->shminfo.shmaddr ) )
1427         {
1428             msg_Err( p_vout, "cannot detach shared memory (%s)",
1429                              strerror(errno) );
1430         }
1431     }
1432     else
1433 #endif
1434     {
1435         IMAGE_FREE( p_pic->p_sys->p_image );
1436     }
1437
1438     /* Do NOT use XFlush here ! */
1439     XSync( p_vout->p_sys->p_display, False );
1440
1441     free( p_pic->p_sys );
1442 }
1443
1444 /*****************************************************************************
1445  * ToggleFullScreen: Enable or disable full screen mode
1446  *****************************************************************************
1447  * This function will switch between fullscreen and window mode.
1448  *****************************************************************************/
1449 static void ToggleFullScreen ( vout_thread_t *p_vout )
1450 {
1451     Atom prop;
1452     XEvent xevent;
1453     mwmhints_t mwmhints;
1454     XSetWindowAttributes attributes;
1455
1456 #ifdef HAVE_XINERAMA
1457     int i_d1, i_d2;
1458 #endif
1459
1460     p_vout->b_fullscreen = !p_vout->b_fullscreen;
1461
1462     if( p_vout->b_fullscreen )
1463     {
1464         msg_Dbg( p_vout, "entering fullscreen mode" );
1465
1466         p_vout->p_sys->b_altfullscreen =
1467             config_GetInt( p_vout, MODULE_STRING "-altfullscreen" );
1468
1469         XUnmapWindow( p_vout->p_sys->p_display,
1470                       p_vout->p_sys->p_win->base_window );
1471
1472         p_vout->p_sys->p_win = &p_vout->p_sys->fullscreen_window;
1473
1474         CreateWindow( p_vout, p_vout->p_sys->p_win );
1475         XDestroyWindow( p_vout->p_sys->p_display,
1476                         p_vout->p_sys->fullscreen_window.video_window );
1477         XReparentWindow( p_vout->p_sys->p_display,
1478                          p_vout->p_sys->original_window.video_window,
1479                          p_vout->p_sys->fullscreen_window.base_window, 0, 0 );
1480         p_vout->p_sys->fullscreen_window.video_window =
1481             p_vout->p_sys->original_window.video_window;
1482
1483         /* To my knowledge there are two ways to create a borderless window.
1484          * There's the generic way which is to tell x to bypass the window
1485          * manager, but this creates problems with the focus of other
1486          * applications.
1487          * The other way is to use the motif property "_MOTIF_WM_HINTS" which
1488          * luckily seems to be supported by most window managers. */
1489         if( !p_vout->p_sys->b_altfullscreen )
1490         {
1491             mwmhints.flags = MWM_HINTS_DECORATIONS;
1492             mwmhints.decorations = False;
1493
1494             prop = XInternAtom( p_vout->p_sys->p_display, "_MOTIF_WM_HINTS",
1495                                 False );
1496             XChangeProperty( p_vout->p_sys->p_display,
1497                              p_vout->p_sys->p_win->base_window,
1498                              prop, prop, 32, PropModeReplace,
1499                              (unsigned char *)&mwmhints,
1500                              PROP_MWM_HINTS_ELEMENTS );
1501         }
1502         else
1503         {
1504             /* brute force way to remove decorations */
1505             attributes.override_redirect = True;
1506             XChangeWindowAttributes( p_vout->p_sys->p_display,
1507                                      p_vout->p_sys->p_win->base_window,
1508                                      CWOverrideRedirect,
1509                                      &attributes);
1510
1511             /* Make sure the change is effective */
1512             XReparentWindow( p_vout->p_sys->p_display,
1513                              p_vout->p_sys->p_win->base_window,
1514                              DefaultRootWindow( p_vout->p_sys->p_display ),
1515                              0, 0 );
1516         }
1517
1518         if( p_vout->p_sys->b_net_wm_state_fullscreen )
1519         {
1520             XClientMessageEvent event;
1521
1522             memset( &event, 0, sizeof( XClientMessageEvent ) );
1523
1524             event.type = ClientMessage;
1525             event.message_type = p_vout->p_sys->net_wm_state;
1526             event.display = p_vout->p_sys->p_display;
1527             event.window = p_vout->p_sys->p_win->base_window;
1528             event.format = 32;
1529             event.data.l[ 0 ] = 1; /* set property */
1530             event.data.l[ 1 ] = p_vout->p_sys->net_wm_state_fullscreen;
1531
1532             XSendEvent( p_vout->p_sys->p_display,
1533                         DefaultRootWindow( p_vout->p_sys->p_display ),
1534                         False, SubstructureRedirectMask,
1535                         (XEvent*)&event );
1536         }
1537
1538         /* Make sure the change is effective */
1539         XReparentWindow( p_vout->p_sys->p_display,
1540                          p_vout->p_sys->p_win->base_window,
1541                          DefaultRootWindow( p_vout->p_sys->p_display ),
1542                          0, 0 );
1543
1544 #ifdef HAVE_XINERAMA
1545         if( XineramaQueryExtension( p_vout->p_sys->p_display, &i_d1, &i_d2 ) &&
1546             XineramaIsActive( p_vout->p_sys->p_display ) )
1547         {
1548             XineramaScreenInfo *screens;   /* infos for xinerama */
1549             int i_num_screens;
1550
1551             msg_Dbg( p_vout, "using XFree Xinerama extension");
1552
1553 #define SCREEN p_vout->p_sys->p_win->i_screen
1554
1555             /* Get Information about Xinerama (num of screens) */
1556             screens = XineramaQueryScreens( p_vout->p_sys->p_display,
1557                                             &i_num_screens );
1558
1559             SCREEN = config_GetInt( p_vout,
1560                                         MODULE_STRING "-xineramascreen" );
1561
1562             /* just check that user has entered a good value */
1563             if( SCREEN >= i_num_screens || SCREEN < 0 )
1564             {
1565                 msg_Dbg( p_vout, "requested screen number invalid (%d/%d)", SCREEN, i_num_screens );
1566                 SCREEN = 0;
1567             }
1568
1569             /* Get the X/Y upper left corner coordinate of the above screen */
1570             p_vout->p_sys->p_win->i_x = screens[SCREEN].x_org;
1571             p_vout->p_sys->p_win->i_y = screens[SCREEN].y_org;
1572
1573             /* Set the Height/width to the screen resolution */
1574             p_vout->p_sys->p_win->i_width = screens[SCREEN].width;
1575             p_vout->p_sys->p_win->i_height = screens[SCREEN].height;
1576
1577             XFree(screens);
1578
1579 #undef SCREEN
1580
1581         }
1582         else
1583 #endif
1584         {
1585             /* The window wasn't necessarily created at the requested size */
1586             p_vout->p_sys->p_win->i_x = p_vout->p_sys->p_win->i_y = 0;
1587
1588 #ifdef HAVE_XF86VIDMODE
1589             XF86VidModeModeLine mode;
1590             int i_dummy;
1591
1592             if( XF86VidModeGetModeLine( p_vout->p_sys->p_display,
1593                                         p_vout->p_sys->i_screen, &i_dummy,
1594                                         &mode ) )
1595             {
1596                 p_vout->p_sys->p_win->i_width = mode.hdisplay;
1597                 p_vout->p_sys->p_win->i_height = mode.vdisplay;
1598
1599                 /* move cursor to the middle of the window to prevent
1600                  * unwanted display move if the display is smaller than the
1601                  * full desktop */
1602                 XWarpPointer( p_vout->p_sys->p_display, None,
1603                               p_vout->p_sys->p_win->base_window, 0, 0, 0, 0,
1604                               mode.hdisplay / 2 , mode.vdisplay / 2 );
1605                 /* force desktop view to upper left corner */
1606                 XF86VidModeSetViewPort( p_vout->p_sys->p_display,
1607                                         p_vout->p_sys->i_screen, 0, 0 );
1608             }
1609             else
1610 #endif
1611             {
1612                 p_vout->p_sys->p_win->i_width =
1613                     DisplayWidth( p_vout->p_sys->p_display,
1614                                 p_vout->p_sys->i_screen );
1615                 p_vout->p_sys->p_win->i_height =
1616                     DisplayHeight( p_vout->p_sys->p_display,
1617                                 p_vout->p_sys->i_screen );
1618             }
1619
1620         }
1621
1622         XMoveResizeWindow( p_vout->p_sys->p_display,
1623                            p_vout->p_sys->p_win->base_window,
1624                            p_vout->p_sys->p_win->i_x,
1625                            p_vout->p_sys->p_win->i_y,
1626                            p_vout->p_sys->p_win->i_width,
1627                            p_vout->p_sys->p_win->i_height );
1628     }
1629     else
1630     {
1631         msg_Dbg( p_vout, "leaving fullscreen mode" );
1632
1633         XReparentWindow( p_vout->p_sys->p_display,
1634                          p_vout->p_sys->original_window.video_window,
1635                          p_vout->p_sys->original_window.base_window, 0, 0 );
1636
1637         p_vout->p_sys->fullscreen_window.video_window = None;
1638         DestroyWindow( p_vout, &p_vout->p_sys->fullscreen_window );
1639         p_vout->p_sys->p_win = &p_vout->p_sys->original_window;
1640
1641         XMapWindow( p_vout->p_sys->p_display,
1642                     p_vout->p_sys->p_win->base_window );
1643     }
1644
1645     /* Unfortunately, using XSync() here is not enough to ensure the
1646      * window has already been mapped because the XMapWindow() request
1647      * has not necessarily been sent directly to our window (remember,
1648      * the call is first redirected to the window manager) */
1649     do
1650     {
1651         XWindowEvent( p_vout->p_sys->p_display,
1652                       p_vout->p_sys->p_win->base_window,
1653                       StructureNotifyMask, &xevent );
1654     } while( xevent.type != MapNotify );
1655
1656     /* Be careful, this can generate a BadMatch error if the window is not
1657      * already mapped by the server (see above) */
1658     XSetInputFocus(p_vout->p_sys->p_display,
1659                    p_vout->p_sys->p_win->base_window,
1660                    RevertToParent,
1661                    CurrentTime);
1662
1663     /* signal that the size needs to be updated */
1664     p_vout->i_changes |= VOUT_SIZE_CHANGE;
1665 }
1666
1667 /*****************************************************************************
1668  * EnableXScreenSaver: enable screen saver
1669  *****************************************************************************
1670  * This function enables the screen saver on a display after it has been
1671  * disabled by XDisableScreenSaver.
1672  * FIXME: what happens if multiple vlc sessions are running at the same
1673  *        time ???
1674  *****************************************************************************/
1675 static void EnableXScreenSaver( vout_thread_t *p_vout )
1676 {
1677 #ifdef DPMSINFO_IN_DPMS_H
1678     int dummy;
1679 #endif
1680
1681     if( p_vout->p_sys->i_ss_timeout )
1682     {
1683         XSetScreenSaver( p_vout->p_sys->p_display, p_vout->p_sys->i_ss_timeout,
1684                          p_vout->p_sys->i_ss_interval,
1685                          p_vout->p_sys->i_ss_blanking,
1686                          p_vout->p_sys->i_ss_exposure );
1687     }
1688
1689     /* Restore DPMS settings */
1690 #ifdef DPMSINFO_IN_DPMS_H
1691     if( DPMSQueryExtension( p_vout->p_sys->p_display, &dummy, &dummy ) )
1692     {
1693         if( p_vout->p_sys->b_ss_dpms )
1694         {
1695             DPMSEnable( p_vout->p_sys->p_display );
1696         }
1697     }
1698 #endif
1699 }
1700
1701 /*****************************************************************************
1702  * DisableXScreenSaver: disable screen saver
1703  *****************************************************************************
1704  * See XEnableXScreenSaver
1705  *****************************************************************************/
1706 static void DisableXScreenSaver( vout_thread_t *p_vout )
1707 {
1708 #ifdef DPMSINFO_IN_DPMS_H
1709     int dummy;
1710 #endif
1711
1712     /* Save screen saver information */
1713     XGetScreenSaver( p_vout->p_sys->p_display, &p_vout->p_sys->i_ss_timeout,
1714                      &p_vout->p_sys->i_ss_interval,
1715                      &p_vout->p_sys->i_ss_blanking,
1716                      &p_vout->p_sys->i_ss_exposure );
1717
1718     /* Disable screen saver */
1719     if( p_vout->p_sys->i_ss_timeout )
1720     {
1721         XSetScreenSaver( p_vout->p_sys->p_display, 0,
1722                          p_vout->p_sys->i_ss_interval,
1723                          p_vout->p_sys->i_ss_blanking,
1724                          p_vout->p_sys->i_ss_exposure );
1725     }
1726
1727     /* Disable DPMS */
1728 #ifdef DPMSINFO_IN_DPMS_H
1729     if( DPMSQueryExtension( p_vout->p_sys->p_display, &dummy, &dummy ) )
1730     {
1731         CARD16 unused;
1732         /* Save DPMS current state */
1733         DPMSInfo( p_vout->p_sys->p_display, &unused,
1734                   &p_vout->p_sys->b_ss_dpms );
1735         DPMSDisable( p_vout->p_sys->p_display );
1736    }
1737 #endif
1738 }
1739
1740 /*****************************************************************************
1741  * CreateCursor: create a blank mouse pointer
1742  *****************************************************************************/
1743 static void CreateCursor( vout_thread_t *p_vout )
1744 {
1745     XColor cursor_color;
1746
1747     p_vout->p_sys->cursor_pixmap =
1748         XCreatePixmap( p_vout->p_sys->p_display,
1749                        DefaultRootWindow( p_vout->p_sys->p_display ),
1750                        1, 1, 1 );
1751
1752     XParseColor( p_vout->p_sys->p_display,
1753                  XCreateColormap( p_vout->p_sys->p_display,
1754                                   DefaultRootWindow(
1755                                                     p_vout->p_sys->p_display ),
1756                                   DefaultVisual(
1757                                                 p_vout->p_sys->p_display,
1758                                                 p_vout->p_sys->i_screen ),
1759                                   AllocNone ),
1760                  "black", &cursor_color );
1761
1762     p_vout->p_sys->blank_cursor =
1763         XCreatePixmapCursor( p_vout->p_sys->p_display,
1764                              p_vout->p_sys->cursor_pixmap,
1765                              p_vout->p_sys->cursor_pixmap,
1766                              &cursor_color, &cursor_color, 1, 1 );
1767 }
1768
1769 /*****************************************************************************
1770  * DestroyCursor: destroy the blank mouse pointer
1771  *****************************************************************************/
1772 static void DestroyCursor( vout_thread_t *p_vout )
1773 {
1774     XFreePixmap( p_vout->p_sys->p_display, p_vout->p_sys->cursor_pixmap );
1775 }
1776
1777 /*****************************************************************************
1778  * ToggleCursor: hide or show the mouse pointer
1779  *****************************************************************************
1780  * This function hides the X pointer if it is visible by setting the pointer
1781  * sprite to a blank one. To show it again, we disable the sprite.
1782  *****************************************************************************/
1783 static void ToggleCursor( vout_thread_t *p_vout )
1784 {
1785     if( p_vout->p_sys->b_mouse_pointer_visible )
1786     {
1787         XDefineCursor( p_vout->p_sys->p_display,
1788                        p_vout->p_sys->p_win->base_window,
1789                        p_vout->p_sys->blank_cursor );
1790         p_vout->p_sys->b_mouse_pointer_visible = 0;
1791     }
1792     else
1793     {
1794         XUndefineCursor( p_vout->p_sys->p_display,
1795                          p_vout->p_sys->p_win->base_window );
1796         p_vout->p_sys->b_mouse_pointer_visible = 1;
1797     }
1798 }
1799
1800 #ifdef MODULE_NAME_IS_xvideo
1801 /*****************************************************************************
1802  * XVideoGetPort: get YUV12 port
1803  *****************************************************************************/
1804 static int XVideoGetPort( vout_thread_t *p_vout,
1805                           vlc_fourcc_t i_chroma, vlc_fourcc_t *pi_newchroma )
1806 {
1807     XvAdaptorInfo *p_adaptor;
1808     unsigned int i;
1809     int i_adaptor, i_num_adaptors, i_requested_adaptor;
1810     int i_selected_port;
1811
1812     switch( XvQueryExtension( p_vout->p_sys->p_display, &i, &i, &i, &i, &i ) )
1813     {
1814         case Success:
1815             break;
1816
1817         case XvBadExtension:
1818             msg_Warn( p_vout, "XvBadExtension" );
1819             return -1;
1820
1821         case XvBadAlloc:
1822             msg_Warn( p_vout, "XvBadAlloc" );
1823             return -1;
1824
1825         default:
1826             msg_Warn( p_vout, "XvQueryExtension failed" );
1827             return -1;
1828     }
1829
1830     switch( XvQueryAdaptors( p_vout->p_sys->p_display,
1831                              DefaultRootWindow( p_vout->p_sys->p_display ),
1832                              &i_num_adaptors, &p_adaptor ) )
1833     {
1834         case Success:
1835             break;
1836
1837         case XvBadExtension:
1838             msg_Warn( p_vout, "XvBadExtension for XvQueryAdaptors" );
1839             return -1;
1840
1841         case XvBadAlloc:
1842             msg_Warn( p_vout, "XvBadAlloc for XvQueryAdaptors" );
1843             return -1;
1844
1845         default:
1846             msg_Warn( p_vout, "XvQueryAdaptors failed" );
1847             return -1;
1848     }
1849
1850     i_selected_port = -1;
1851     i_requested_adaptor = config_GetInt( p_vout, "xvideo-adaptor" );
1852
1853     for( i_adaptor = 0; i_adaptor < i_num_adaptors; ++i_adaptor )
1854     {
1855         XvImageFormatValues *p_formats;
1856         int i_format, i_num_formats;
1857         int i_port;
1858
1859         /* If we requested an adaptor and it's not this one, we aren't
1860          * interested */
1861         if( i_requested_adaptor != -1 && i_adaptor != i_requested_adaptor )
1862         {
1863             continue;
1864         }
1865
1866         /* If the adaptor doesn't have the required properties, skip it */
1867         if( !( p_adaptor[ i_adaptor ].type & XvInputMask ) ||
1868             !( p_adaptor[ i_adaptor ].type & XvImageMask ) )
1869         {
1870             continue;
1871         }
1872
1873         /* Check that adaptor supports our requested format... */
1874         p_formats = XvListImageFormats( p_vout->p_sys->p_display,
1875                                         p_adaptor[i_adaptor].base_id,
1876                                         &i_num_formats );
1877
1878         for( i_format = 0;
1879              i_format < i_num_formats && ( i_selected_port == -1 );
1880              i_format++ )
1881         {
1882             XvAttribute     *p_attr;
1883             int             i_attr, i_num_attributes;
1884
1885             /* If this is not the format we want, or at least a
1886              * similar one, forget it */
1887             if( !vout_ChromaCmp( p_formats[ i_format ].id, i_chroma ) )
1888             {
1889                 continue;
1890             }
1891
1892             /* Look for the first available port supporting this format */
1893             for( i_port = p_adaptor[i_adaptor].base_id;
1894                  ( i_port < (int)(p_adaptor[i_adaptor].base_id
1895                                    + p_adaptor[i_adaptor].num_ports) )
1896                    && ( i_selected_port == -1 );
1897                  i_port++ )
1898             {
1899                 if( XvGrabPort( p_vout->p_sys->p_display, i_port, CurrentTime )
1900                      == Success )
1901                 {
1902                     i_selected_port = i_port;
1903                     *pi_newchroma = p_formats[ i_format ].id;
1904                 }
1905             }
1906
1907             /* If no free port was found, forget it */
1908             if( i_selected_port == -1 )
1909             {
1910                 continue;
1911             }
1912
1913             /* If we found a port, print information about it */
1914             msg_Dbg( p_vout, "adaptor %i, port %i, format 0x%x (%4.4s) %s",
1915                      i_adaptor, i_selected_port, p_formats[ i_format ].id,
1916                      (char *)&p_formats[ i_format ].id,
1917                      ( p_formats[ i_format ].format == XvPacked ) ?
1918                          "packed" : "planar" );
1919
1920             /* Make sure XV_AUTOPAINT_COLORKEY is set */
1921             p_attr = XvQueryPortAttributes( p_vout->p_sys->p_display,
1922                                             i_selected_port,
1923                                             &i_num_attributes );
1924
1925             for( i_attr = 0; i_attr < i_num_attributes; i_attr++ )
1926             {
1927                 if( !strcmp( p_attr[i_attr].name, "XV_AUTOPAINT_COLORKEY" ) )
1928                 {
1929                     const Atom autopaint =
1930                         XInternAtom( p_vout->p_sys->p_display,
1931                                      "XV_AUTOPAINT_COLORKEY", False );
1932                     XvSetPortAttribute( p_vout->p_sys->p_display,
1933                                         i_selected_port, autopaint, 1 );
1934                     break;
1935                 }
1936             }
1937
1938             if( p_attr != NULL )
1939             {
1940                 XFree( p_attr );
1941             }
1942         }
1943
1944         if( p_formats != NULL )
1945         {
1946             XFree( p_formats );
1947         }
1948
1949     }
1950
1951     if( i_num_adaptors > 0 )
1952     {
1953         XvFreeAdaptorInfo( p_adaptor );
1954     }
1955
1956     if( i_selected_port == -1 )
1957     {
1958         int i_chroma_tmp = X112VLC_FOURCC( i_chroma );
1959         if( i_requested_adaptor == -1 )
1960         {
1961             msg_Warn( p_vout, "no free XVideo port found for format "
1962                       "0x%.8x (%4.4s)", i_chroma_tmp, (char*)&i_chroma_tmp );
1963         }
1964         else
1965         {
1966             msg_Warn( p_vout, "XVideo adaptor %i does not have a free "
1967                       "XVideo port for format 0x%.8x (%4.4s)",
1968                       i_requested_adaptor, i_chroma_tmp, (char*)&i_chroma_tmp );
1969         }
1970     }
1971
1972     return i_selected_port;
1973 }
1974
1975 /*****************************************************************************
1976  * XVideoReleasePort: release YUV12 port
1977  *****************************************************************************/
1978 static void XVideoReleasePort( vout_thread_t *p_vout, int i_port )
1979 {
1980     XvUngrabPort( p_vout->p_sys->p_display, i_port, CurrentTime );
1981 }
1982 #endif
1983
1984 /*****************************************************************************
1985  * InitDisplay: open and initialize X11 device
1986  *****************************************************************************
1987  * Create a window according to video output given size, and set other
1988  * properties according to the display properties.
1989  *****************************************************************************/
1990 static int InitDisplay( vout_thread_t *p_vout )
1991 {
1992 #ifdef MODULE_NAME_IS_x11
1993     XPixmapFormatValues *       p_formats;                 /* pixmap formats */
1994     XVisualInfo *               p_xvisual;            /* visuals information */
1995     XVisualInfo                 xvisual_template;         /* visual template */
1996     int                         i_count;                       /* array size */
1997 #endif
1998
1999 #ifdef HAVE_SYS_SHM_H
2000     p_vout->p_sys->b_shm = 0;
2001
2002     if( config_GetInt( p_vout, MODULE_STRING "-shm" ) )
2003     {
2004 #   ifdef __APPLE__
2005         /* FIXME: As of 2001-03-16, XFree4 for MacOS X does not support Xshm */
2006 #   else
2007         p_vout->p_sys->b_shm =
2008                   ( XShmQueryExtension( p_vout->p_sys->p_display ) == True );
2009 #   endif
2010
2011         if( !p_vout->p_sys->b_shm )
2012         {
2013             msg_Warn( p_vout, "XShm video extension is unavailable" );
2014         }
2015     }
2016     else
2017     {
2018         msg_Dbg( p_vout, "disabling XShm video extension" );
2019     }
2020
2021 #else
2022     msg_Warn( p_vout, "XShm video extension is unavailable" );
2023
2024 #endif
2025
2026 #ifdef MODULE_NAME_IS_xvideo
2027     /* XXX The brightness and contrast values should be read from environment
2028      * XXX variables... */
2029 #if 0
2030     XVideoSetAttribute( p_vout, "XV_BRIGHTNESS", 0.5 );
2031     XVideoSetAttribute( p_vout, "XV_CONTRAST",   0.5 );
2032 #endif
2033 #endif
2034
2035 #ifdef MODULE_NAME_IS_x11
2036     /* Initialize structure */
2037     p_vout->p_sys->i_screen = DefaultScreen( p_vout->p_sys->p_display );
2038
2039     /* Get screen depth */
2040     p_vout->p_sys->i_screen_depth = XDefaultDepth( p_vout->p_sys->p_display,
2041                                                    p_vout->p_sys->i_screen );
2042     switch( p_vout->p_sys->i_screen_depth )
2043     {
2044     case 8:
2045         /*
2046          * Screen depth is 8bpp. Use PseudoColor visual with private colormap.
2047          */
2048         xvisual_template.screen =   p_vout->p_sys->i_screen;
2049         xvisual_template.class =    DirectColor;
2050         p_xvisual = XGetVisualInfo( p_vout->p_sys->p_display,
2051                                     VisualScreenMask | VisualClassMask,
2052                                     &xvisual_template, &i_count );
2053         if( p_xvisual == NULL )
2054         {
2055             msg_Err( p_vout, "no PseudoColor visual available" );
2056             return VLC_EGENERIC;
2057         }
2058         p_vout->p_sys->i_bytes_per_pixel = 1;
2059         p_vout->output.pf_setpalette = SetPalette;
2060         break;
2061     case 15:
2062     case 16:
2063     case 24:
2064     default:
2065         /*
2066          * Screen depth is higher than 8bpp. TrueColor visual is used.
2067          */
2068         xvisual_template.screen =   p_vout->p_sys->i_screen;
2069         xvisual_template.class =    TrueColor;
2070 /* In some cases, we get a truecolor class adaptor that has a different
2071    color depth. So try to get a real true color one first */
2072         xvisual_template.depth =    p_vout->p_sys->i_screen_depth;
2073
2074         p_xvisual = XGetVisualInfo( p_vout->p_sys->p_display,
2075                                     VisualScreenMask | VisualClassMask |
2076                                     VisualDepthMask,
2077                                     &xvisual_template, &i_count );
2078         if( p_xvisual == NULL )
2079         {
2080             msg_Warn( p_vout, "No screen matching the required color depth" );
2081             p_xvisual = XGetVisualInfo( p_vout->p_sys->p_display,
2082                                     VisualScreenMask | VisualClassMask,
2083                                     &xvisual_template, &i_count );
2084             if( p_xvisual == NULL )
2085             {
2086
2087                 msg_Err( p_vout, "no TrueColor visual available" );
2088                 return VLC_EGENERIC;
2089             }
2090         }
2091
2092         p_vout->output.i_rmask = p_xvisual->red_mask;
2093         p_vout->output.i_gmask = p_xvisual->green_mask;
2094         p_vout->output.i_bmask = p_xvisual->blue_mask;
2095
2096         /* There is no difference yet between 3 and 4 Bpp. The only way
2097          * to find the actual number of bytes per pixel is to list supported
2098          * pixmap formats. */
2099         p_formats = XListPixmapFormats( p_vout->p_sys->p_display, &i_count );
2100         p_vout->p_sys->i_bytes_per_pixel = 0;
2101
2102         for( ; i_count-- ; p_formats++ )
2103         {
2104             /* Under XFree4.0, the list contains pixmap formats available
2105              * through all video depths ; so we have to check against current
2106              * depth. */
2107             if( p_formats->depth == (int)p_vout->p_sys->i_screen_depth )
2108             {
2109                 if( p_formats->bits_per_pixel / 8
2110                         > (int)p_vout->p_sys->i_bytes_per_pixel )
2111                 {
2112                     p_vout->p_sys->i_bytes_per_pixel =
2113                                                p_formats->bits_per_pixel / 8;
2114                 }
2115             }
2116         }
2117         break;
2118     }
2119     p_vout->p_sys->p_visual = p_xvisual->visual;
2120     XFree( p_xvisual );
2121 #endif
2122
2123     return VLC_SUCCESS;
2124 }
2125
2126 #ifdef HAVE_SYS_SHM_H
2127 /*****************************************************************************
2128  * CreateShmImage: create an XImage or XvImage using shared memory extension
2129  *****************************************************************************
2130  * Prepare an XImage or XvImage for display function.
2131  * The order of the operations respects the recommandations of the mit-shm
2132  * document by J.Corbet and K.Packard. Most of the parameters were copied from
2133  * there. See http://ftp.xfree86.org/pub/XFree86/4.0/doc/mit-shm.TXT
2134  *****************************************************************************/
2135 static IMAGE_TYPE * CreateShmImage( vout_thread_t *p_vout,
2136                                     Display* p_display, EXTRA_ARGS_SHM,
2137                                     int i_width, int i_height )
2138 {
2139     IMAGE_TYPE *p_image;
2140     Status result;
2141
2142     /* Create XImage / XvImage */
2143 #ifdef MODULE_NAME_IS_xvideo
2144
2145     /* Make sure the buffer is aligned to multiple of 16 */
2146     i_height = ( i_height + 15 ) >> 4 << 4;
2147     i_width = ( i_width + 15 ) >> 4 << 4;
2148
2149     p_image = XvShmCreateImage( p_display, i_xvport, i_chroma, 0,
2150                                 i_width, i_height, p_shm );
2151 #else
2152     p_image = XShmCreateImage( p_display, p_visual, i_depth, ZPixmap, 0,
2153                                p_shm, i_width, i_height );
2154 #endif
2155     if( p_image == NULL )
2156     {
2157         msg_Err( p_vout, "image creation failed" );
2158         return NULL;
2159     }
2160
2161     /* Allocate shared memory segment - 0776 set the access permission
2162      * rights (like umask), they are not yet supported by all X servers */
2163     p_shm->shmid = shmget( IPC_PRIVATE, DATA_SIZE(p_image), IPC_CREAT | 0776 );
2164     if( p_shm->shmid < 0 )
2165     {
2166         msg_Err( p_vout, "cannot allocate shared image data (%s)",
2167                          strerror( errno ) );
2168         IMAGE_FREE( p_image );
2169         return NULL;
2170     }
2171
2172     /* Attach shared memory segment to process (read/write) */
2173     p_shm->shmaddr = p_image->data = shmat( p_shm->shmid, 0, 0 );
2174     if(! p_shm->shmaddr )
2175     {
2176         msg_Err( p_vout, "cannot attach shared memory (%s)",
2177                          strerror(errno));
2178         IMAGE_FREE( p_image );
2179         shmctl( p_shm->shmid, IPC_RMID, 0 );
2180         return NULL;
2181     }
2182
2183     /* Read-only data. We won't be using XShmGetImage */
2184     p_shm->readOnly = True;
2185
2186     /* Attach shared memory segment to X server */
2187     XSynchronize( p_display, True );
2188     b_shm = VLC_TRUE;
2189     result = XShmAttach( p_display, p_shm );
2190     if( result == False || !b_shm )
2191     {
2192         msg_Err( p_vout, "cannot attach shared memory to X server" );
2193         IMAGE_FREE( p_image );
2194         shmctl( p_shm->shmid, IPC_RMID, 0 );
2195         shmdt( p_shm->shmaddr );
2196         return NULL;
2197     }
2198     XSynchronize( p_display, False );
2199
2200     /* Send image to X server. This instruction is required, since having
2201      * built a Shm XImage and not using it causes an error on XCloseDisplay,
2202      * and remember NOT to use XFlush ! */
2203     XSync( p_display, False );
2204
2205 #if 0
2206     /* Mark the shm segment to be removed when there are no more
2207      * attachements, so it is automatic on process exit or after shmdt */
2208     shmctl( p_shm->shmid, IPC_RMID, 0 );
2209 #endif
2210
2211     return p_image;
2212 }
2213 #endif
2214
2215 /*****************************************************************************
2216  * CreateImage: create an XImage or XvImage
2217  *****************************************************************************
2218  * Create a simple image used as a buffer.
2219  *****************************************************************************/
2220 static IMAGE_TYPE * CreateImage( vout_thread_t *p_vout,
2221                                  Display *p_display, EXTRA_ARGS,
2222                                  int i_width, int i_height )
2223 {
2224     byte_t *    p_data;                           /* image data storage zone */
2225     IMAGE_TYPE *p_image;
2226 #ifdef MODULE_NAME_IS_x11
2227     int         i_quantum;                     /* XImage quantum (see below) */
2228     int         i_bytes_per_line;
2229 #endif
2230
2231     /* Allocate memory for image */
2232 #ifdef MODULE_NAME_IS_xvideo
2233
2234     /* Make sure the buffer is aligned to multiple of 16 */
2235     i_height = ( i_height + 15 ) >> 4 << 4;
2236     i_width = ( i_width + 15 ) >> 4 << 4;
2237
2238     p_data = (byte_t *) malloc( i_width * i_height * i_bits_per_pixel / 8 );
2239 #elif defined(MODULE_NAME_IS_x11)
2240     i_bytes_per_line = i_width * i_bytes_per_pixel;
2241     p_data = (byte_t *) malloc( i_bytes_per_line * i_height );
2242 #endif
2243     if( !p_data )
2244     {
2245         msg_Err( p_vout, "out of memory" );
2246         return NULL;
2247     }
2248
2249 #ifdef MODULE_NAME_IS_x11
2250     /* Optimize the quantum of a scanline regarding its size - the quantum is
2251        a diviser of the number of bits between the start of two scanlines. */
2252     if( i_bytes_per_line & 0xf )
2253     {
2254         i_quantum = 0x8;
2255     }
2256     else if( i_bytes_per_line & 0x10 )
2257     {
2258         i_quantum = 0x10;
2259     }
2260     else
2261     {
2262         i_quantum = 0x20;
2263     }
2264 #endif
2265
2266     /* Create XImage. p_data will be automatically freed */
2267 #ifdef MODULE_NAME_IS_xvideo
2268     p_image = XvCreateImage( p_display, i_xvport, i_chroma,
2269                              p_data, i_width, i_height );
2270 #elif defined(MODULE_NAME_IS_x11)
2271     p_image = XCreateImage( p_display, p_visual, i_depth, ZPixmap, 0,
2272                             p_data, i_width, i_height, i_quantum, 0 );
2273 #endif
2274     if( p_image == NULL )
2275     {
2276         msg_Err( p_vout, "XCreateImage() failed" );
2277         free( p_data );
2278         return NULL;
2279     }
2280
2281     return p_image;
2282 }
2283
2284 /*****************************************************************************
2285  * X11ErrorHandler: replace error handler so we can intercept some of them
2286  *****************************************************************************/
2287 static int X11ErrorHandler( Display * display, XErrorEvent * event )
2288 {
2289     /* Ingnore errors on XSetInputFocus()
2290      * (they happen when a window is not yet mapped) */
2291     if( event->request_code == X_SetInputFocus )
2292     {
2293         fprintf(stderr, "XSetInputFocus failed\n");
2294         return 0;
2295     }
2296
2297     if( event->request_code == 150 /* MIT-SHM */ &&
2298         event->minor_code == X_ShmAttach )
2299     {
2300         fprintf(stderr, "XShmAttach failed\n");
2301         b_shm = VLC_FALSE;
2302         return 0;
2303     }
2304
2305     XSetErrorHandler(NULL);
2306     return (XSetErrorHandler(X11ErrorHandler))( display, event );
2307 }
2308
2309 #ifdef MODULE_NAME_IS_x11
2310 /*****************************************************************************
2311  * SetPalette: sets an 8 bpp palette
2312  *****************************************************************************
2313  * This function sets the palette given as an argument. It does not return
2314  * anything, but could later send information on which colors it was unable
2315  * to set.
2316  *****************************************************************************/
2317 static void SetPalette( vout_thread_t *p_vout,
2318                         uint16_t *red, uint16_t *green, uint16_t *blue )
2319 {
2320     int i;
2321     XColor p_colors[255];
2322
2323     /* allocate palette */
2324     for( i = 0; i < 255; i++ )
2325     {
2326         /* kludge: colors are indexed reversely because color 255 seems
2327          * to be reserved for black even if we try to set it to white */
2328         p_colors[ i ].pixel = 255 - i;
2329         p_colors[ i ].pad   = 0;
2330         p_colors[ i ].flags = DoRed | DoGreen | DoBlue;
2331         p_colors[ i ].red   = red[ 255 - i ];
2332         p_colors[ i ].blue  = blue[ 255 - i ];
2333         p_colors[ i ].green = green[ 255 - i ];
2334     }
2335
2336     XStoreColors( p_vout->p_sys->p_display,
2337                   p_vout->p_sys->colormap, p_colors, 255 );
2338 }
2339 #endif
2340
2341 /*****************************************************************************
2342  * Control: control facility for the vout
2343  *****************************************************************************/
2344 static int Control( vout_thread_t *p_vout, int i_query, va_list args )
2345 {
2346     vlc_bool_t b_arg;
2347     unsigned int i_width, i_height;
2348     unsigned int *pi_width, *pi_height;
2349
2350     switch( i_query )
2351     {
2352         case VOUT_GET_SIZE:
2353             if( p_vout->p_sys->p_win->owner_window )
2354                 return vout_ControlWindow( p_vout,
2355                     (void *)p_vout->p_sys->p_win->owner_window, i_query, args);
2356
2357             pi_width  = va_arg( args, unsigned int * );
2358             pi_height = va_arg( args, unsigned int * );
2359
2360             vlc_mutex_lock( &p_vout->p_sys->lock );
2361             *pi_width  = p_vout->p_sys->p_win->i_width;
2362             *pi_height = p_vout->p_sys->p_win->i_height;
2363             vlc_mutex_unlock( &p_vout->p_sys->lock );
2364             return VLC_SUCCESS;
2365
2366         case VOUT_SET_SIZE:
2367             if( p_vout->p_sys->p_win->owner_window )
2368                 return vout_ControlWindow( p_vout,
2369                     (void *)p_vout->p_sys->p_win->owner_window, i_query, args);
2370
2371             vlc_mutex_lock( &p_vout->p_sys->lock );
2372
2373             i_width  = va_arg( args, unsigned int );
2374             i_height = va_arg( args, unsigned int );
2375             if( !i_width ) i_width = p_vout->i_window_width;
2376             if( !i_height ) i_height = p_vout->i_window_height;
2377
2378             /* Update dimensions */
2379             XResizeWindow( p_vout->p_sys->p_display,
2380                            p_vout->p_sys->p_win->base_window,
2381                            i_width, i_height );
2382
2383             vlc_mutex_unlock( &p_vout->p_sys->lock );
2384             return VLC_SUCCESS;
2385
2386        case VOUT_CLOSE:
2387             vlc_mutex_lock( &p_vout->p_sys->lock );
2388             XUnmapWindow( p_vout->p_sys->p_display,
2389                           p_vout->p_sys->original_window.base_window );
2390             vlc_mutex_unlock( &p_vout->p_sys->lock );
2391             /* Fall through */
2392
2393        case VOUT_REPARENT:
2394             vlc_mutex_lock( &p_vout->p_sys->lock );
2395             XReparentWindow( p_vout->p_sys->p_display,
2396                              p_vout->p_sys->original_window.base_window,
2397                              DefaultRootWindow( p_vout->p_sys->p_display ),
2398                              0, 0 );
2399             XSync( p_vout->p_sys->p_display, False );
2400             p_vout->p_sys->original_window.owner_window = 0;
2401             vlc_mutex_unlock( &p_vout->p_sys->lock );
2402             return vout_vaControlDefault( p_vout, i_query, args );
2403
2404         case VOUT_SET_STAY_ON_TOP:
2405             if( p_vout->p_sys->p_win->owner_window )
2406                 return vout_ControlWindow( p_vout,
2407                     (void *)p_vout->p_sys->p_win->owner_window, i_query, args);
2408
2409             b_arg = va_arg( args, vlc_bool_t );
2410             vlc_mutex_lock( &p_vout->p_sys->lock );
2411             WindowOnTop( p_vout, b_arg );
2412             vlc_mutex_unlock( &p_vout->p_sys->lock );
2413             return VLC_SUCCESS;
2414
2415        default:
2416             return vout_vaControlDefault( p_vout, i_query, args );
2417     }
2418 }
2419
2420 /*****************************************************************************
2421  * TestNetWMSupport: tests for Extended Window Manager Hints support
2422  *****************************************************************************/
2423 static void TestNetWMSupport( vout_thread_t *p_vout )
2424 {
2425     int i_ret, i_format;
2426     unsigned long i, i_items, i_bytesafter;
2427     Atom net_wm_supported;
2428     union { Atom *p_atom; unsigned char *p_char; } p_args;
2429
2430     p_args.p_atom = NULL;
2431
2432     p_vout->p_sys->b_net_wm_state_fullscreen = VLC_FALSE;
2433     p_vout->p_sys->b_net_wm_state_above = VLC_FALSE;
2434     p_vout->p_sys->b_net_wm_state_below = VLC_FALSE;
2435     p_vout->p_sys->b_net_wm_state_stays_on_top = VLC_FALSE;
2436
2437     net_wm_supported =
2438         XInternAtom( p_vout->p_sys->p_display, "_NET_SUPPORTED", False );
2439
2440     i_ret = XGetWindowProperty( p_vout->p_sys->p_display,
2441                                 DefaultRootWindow( p_vout->p_sys->p_display ),
2442                                 net_wm_supported,
2443                                 0, 16384, False, AnyPropertyType,
2444                                 &net_wm_supported,
2445                                 &i_format, &i_items, &i_bytesafter,
2446                                 (unsigned char **)&p_args );
2447
2448     if( i_ret != Success || i_items == 0 ) return;
2449
2450     msg_Dbg( p_vout, "Window manager supports NetWM" );
2451
2452     p_vout->p_sys->net_wm_state =
2453         XInternAtom( p_vout->p_sys->p_display, "_NET_WM_STATE", False );
2454     p_vout->p_sys->net_wm_state_fullscreen =
2455         XInternAtom( p_vout->p_sys->p_display, "_NET_WM_STATE_FULLSCREEN",
2456                      False );
2457     p_vout->p_sys->net_wm_state_above =
2458         XInternAtom( p_vout->p_sys->p_display, "_NET_WM_STATE_ABOVE", False );
2459     p_vout->p_sys->net_wm_state_below =
2460         XInternAtom( p_vout->p_sys->p_display, "_NET_WM_STATE_BELOW", False );
2461     p_vout->p_sys->net_wm_state_stays_on_top =
2462         XInternAtom( p_vout->p_sys->p_display, "_NET_WM_STATE_STAYS_ON_TOP",
2463                      False );
2464
2465     for( i = 0; i < i_items; i++ )
2466     {
2467         if( p_args.p_atom[i] == p_vout->p_sys->net_wm_state_fullscreen )
2468         {
2469             msg_Dbg( p_vout,
2470                      "Window manager supports _NET_WM_STATE_FULLSCREEN" );
2471             p_vout->p_sys->b_net_wm_state_fullscreen = VLC_TRUE;
2472         }
2473         else if( p_args.p_atom[i] == p_vout->p_sys->net_wm_state_above )
2474         {
2475             msg_Dbg( p_vout, "Window manager supports _NET_WM_STATE_ABOVE" );
2476             p_vout->p_sys->b_net_wm_state_above = VLC_TRUE;
2477         }
2478         else if( p_args.p_atom[i] == p_vout->p_sys->net_wm_state_below )
2479         {
2480             msg_Dbg( p_vout, "Window manager supports _NET_WM_STATE_BELOW" );
2481             p_vout->p_sys->b_net_wm_state_below = VLC_TRUE;
2482         }
2483         else if( p_args.p_atom[i] == p_vout->p_sys->net_wm_state_stays_on_top )
2484         {
2485             msg_Dbg( p_vout,
2486                      "Window manager supports _NET_WM_STATE_STAYS_ON_TOP" );
2487             p_vout->p_sys->b_net_wm_state_stays_on_top = VLC_TRUE;
2488         }
2489     }
2490
2491     XFree( p_args.p_atom );
2492 }
2493
2494 /*****************************************************************************
2495  * Key events handling
2496  *****************************************************************************/
2497 static struct
2498 {
2499     int i_x11key;
2500     int i_vlckey;
2501
2502 } x11keys_to_vlckeys[] =
2503 {
2504     { XK_F1, KEY_F1 }, { XK_F2, KEY_F2 }, { XK_F3, KEY_F3 }, { XK_F4, KEY_F4 },
2505     { XK_F5, KEY_F5 }, { XK_F6, KEY_F6 }, { XK_F7, KEY_F7 }, { XK_F8, KEY_F8 },
2506     { XK_F9, KEY_F9 }, { XK_F10, KEY_F10 }, { XK_F11, KEY_F11 },
2507     { XK_F12, KEY_F12 },
2508
2509     { XK_Return, KEY_ENTER },
2510     { XK_KP_Enter, KEY_ENTER },
2511     { XK_space, KEY_SPACE },
2512     { XK_Escape, KEY_ESC },
2513
2514     { XK_Menu, KEY_MENU },
2515     { XK_Left, KEY_LEFT },
2516     { XK_Right, KEY_RIGHT },
2517     { XK_Up, KEY_UP },
2518     { XK_Down, KEY_DOWN },
2519
2520     { XK_Home, KEY_HOME },
2521     { XK_End, KEY_END },
2522     { XK_Page_Up, KEY_PAGEUP },
2523     { XK_Page_Down, KEY_PAGEDOWN },
2524
2525     { XK_Insert, KEY_INSERT },
2526     { XK_Delete, KEY_DELETE },
2527
2528     { 0, 0 }
2529 };
2530
2531 static int ConvertKey( int i_key )
2532 {
2533     int i;
2534
2535     for( i = 0; x11keys_to_vlckeys[i].i_x11key != 0; i++ )
2536     {
2537         if( x11keys_to_vlckeys[i].i_x11key == i_key )
2538         {
2539             return x11keys_to_vlckeys[i].i_vlckey;
2540         }
2541     }
2542
2543     return 0;
2544 }
2545
2546 /*****************************************************************************
2547  * WindowOnTop: Switches the "always on top" state of the video window.
2548  *****************************************************************************/
2549 static int WindowOnTop( vout_thread_t *p_vout, vlc_bool_t b_on_top )
2550 {
2551     if( p_vout->p_sys->b_net_wm_state_stays_on_top )
2552     {
2553         XClientMessageEvent event;
2554
2555         memset( &event, 0, sizeof( XClientMessageEvent ) );
2556
2557         event.type = ClientMessage;
2558         event.message_type = p_vout->p_sys->net_wm_state;
2559         event.display = p_vout->p_sys->p_display;
2560         event.window = p_vout->p_sys->p_win->base_window;
2561         event.format = 32;
2562         event.data.l[ 0 ] = b_on_top; /* set property */
2563         event.data.l[ 1 ] = p_vout->p_sys->net_wm_state_stays_on_top;
2564
2565         XSendEvent( p_vout->p_sys->p_display,
2566                     DefaultRootWindow( p_vout->p_sys->p_display ),
2567                     False, SubstructureRedirectMask,
2568                     (XEvent*)&event );
2569     }
2570
2571     return VLC_SUCCESS;
2572 }