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

   1 /*****************************************************************************
   2  * xcommon.c: Functions common to the X11 and XVideo plugins
   3  *****************************************************************************
   4  * Copyright (C) 1998-2001 VideoLAN
   5  * $Id: xcommon.c,v 1.24 2003/07/28 22:46:00 gbazin Exp $
   6  *
   7  * Authors: Vincent Seguin <seguin@via.ecp.fr>
   8  *          Samuel Hocevar <sam@zoy.org>
   9  *          David Kennedy <dkennedy@tinytoad.com>
  10  *          Gildas Bazin <gbazin@netcourrier.com>
  11  *
  12  * This program is free software; you can redistribute it and/or modify
  13  * it under the terms of the GNU General Public License as published by
  14  * the Free Software Foundation; either version 2 of the License, or
  15  * (at your option) any later version.
  16  *
  17  * This program is distributed in the hope that it will be useful,
  18  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  19  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  20  * GNU General Public License for more details.
  21  *
  22  * You should have received a copy of the GNU General Public License
  23  * along with this program; if not, write to the Free Software
  24  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111, USA.
  25  *****************************************************************************/
  26
  27 /*****************************************************************************
  28  * Preamble
  29  *****************************************************************************/
  30 #include <errno.h>                                                 /* ENOMEM */
  31 #include <stdlib.h>                                                /* free() */
  32 #include <string.h>                                            /* strerror() */
  33
  34 #include <vlc/vlc.h>
  35 #include <vlc/intf.h>
  36 #include <vlc/vout.h>
  37
  38 #ifdef HAVE_MACHINE_PARAM_H
  39     /* BSD */
  40 #   include <machine/param.h>
  41 #   include <sys/types.h>                                  /* typedef ushort */
  42 #   include <sys/ipc.h>
  43 #endif
  44
  45 #ifndef WIN32
  46 #   include <netinet/in.h>                            /* BSD: struct in_addr */
  47 #endif
  48
  49 #ifdef HAVE_SYS_SHM_H
  50 #   include <sys/shm.h>                                /* shmget(), shmctl() */
  51 #endif
  52
  53 #include <X11/Xlib.h>
  54 #include <X11/Xmd.h>
  55 #include <X11/Xutil.h>
  56 #include <X11/keysym.h>
  57 #ifdef HAVE_SYS_SHM_H
  58 #   include <X11/extensions/XShm.h>
  59 #endif
  60 #ifdef DPMSINFO_IN_DPMS_H
  61 #   include <X11/extensions/dpms.h>
  62 #endif
  63
  64 #ifdef MODULE_NAME_IS_xvideo
  65 #   include <X11/extensions/Xv.h>
  66 #   include <X11/extensions/Xvlib.h>
  67 #endif
  68
  69 #ifdef HAVE_XINERAMA
  70 #   include <X11/extensions/Xinerama.h>
  71 #endif
  72
  73 #include "xcommon.h"
  74
  75 /*****************************************************************************
  76  * Local prototypes
  77  *****************************************************************************/
  78 int  E_(Activate)   ( vlc_object_t * );
  79 void E_(Deactivate) ( vlc_object_t * );
  80
  81 static int  InitVideo      ( vout_thread_t * );
  82 static void EndVideo       ( vout_thread_t * );
  83 static void DisplayVideo   ( vout_thread_t *, picture_t * );
  84 static int  ManageVideo    ( vout_thread_t * );
  85
  86 static int  InitDisplay    ( vout_thread_t * );
  87
  88 static int  CreateWindow   ( vout_thread_t *, x11_window_t * );
  89 static void DestroyWindow  ( vout_thread_t *, x11_window_t * );
  90
  91 static int  NewPicture     ( vout_thread_t *, picture_t * );
  92 static void FreePicture    ( vout_thread_t *, picture_t * );
  93
  94 static IMAGE_TYPE *CreateImage    ( vout_thread_t *,
  95                                     Display *, EXTRA_ARGS, int, int );
  96 #ifdef HAVE_SYS_SHM_H
  97 static IMAGE_TYPE *CreateShmImage ( vout_thread_t *,
  98                                     Display *, EXTRA_ARGS_SHM, int, int );
  99 #endif
 100
 101 static void ToggleFullScreen      ( vout_thread_t * );
 102
 103 static void EnableXScreenSaver    ( vout_thread_t * );
 104 static void DisableXScreenSaver   ( vout_thread_t * );
 105
 106 static void CreateCursor   ( vout_thread_t * );
 107 static void DestroyCursor  ( vout_thread_t * );
 108 static void ToggleCursor   ( vout_thread_t * );
 109
 110 #ifdef MODULE_NAME_IS_xvideo
 111 static int  XVideoGetPort    ( vout_thread_t *, vlc_fourcc_t, vlc_fourcc_t * );
 112 static void XVideoReleasePort( vout_thread_t *, int );
 113 #endif
 114
 115 #ifdef MODULE_NAME_IS_x11
 116 static void SetPalette     ( vout_thread_t *,
 117                              uint16_t *, uint16_t *, uint16_t * );
 118 #endif
 119
 120 /*****************************************************************************
 121  * Activate: allocate X11 video thread output method
 122  *****************************************************************************
 123  * This function allocate and initialize a X11 vout method. It uses some of the
 124  * vout properties to choose the window size, and change them according to the
 125  * actual properties of the display.
 126  *****************************************************************************/
 127 int E_(Activate) ( vlc_object_t *p_this )
 128 {
 129     vout_thread_t *p_vout = (vout_thread_t *)p_this;
 130     char *       psz_display;
 131 #ifdef MODULE_NAME_IS_xvideo
 132     char *       psz_chroma;
 133     vlc_fourcc_t i_chroma = 0;
 134     vlc_bool_t   b_chroma = 0;
 135 #endif
 136
 137     p_vout->pf_init = InitVideo;
 138     p_vout->pf_end = EndVideo;
 139     p_vout->pf_manage = ManageVideo;
 140     p_vout->pf_render = NULL;
 141     p_vout->pf_display = DisplayVideo;
 142
 143     /* Allocate structure */
 144     p_vout->p_sys = malloc( sizeof( vout_sys_t ) );
 145     if( p_vout->p_sys == NULL )
 146     {
 147         msg_Err( p_vout, "out of memory" );
 148         return VLC_ENOMEM;
 149     }
 150
 151     /* Open display, using the "display" config variable or the DISPLAY
 152      * environment variable */
 153     psz_display = config_GetPsz( p_vout, MODULE_STRING "-display" );
 154
 155     p_vout->p_sys->p_display = XOpenDisplay( psz_display );
 156
 157     if( p_vout->p_sys->p_display == NULL )                          /* error */
 158     {
 159         msg_Err( p_vout, "cannot open display %s",
 160                          XDisplayName( psz_display ) );
 161         free( p_vout->p_sys );
 162         if( psz_display ) free( psz_display );
 163         return VLC_EGENERIC;
 164     }
 165     if( psz_display ) free( psz_display );
 166
 167     /* Get a screen ID matching the XOpenDisplay return value */
 168     p_vout->p_sys->i_screen = DefaultScreen( p_vout->p_sys->p_display );
 169
 170 #ifdef MODULE_NAME_IS_xvideo
 171     psz_chroma = config_GetPsz( p_vout, "xvideo-chroma" );
 172     if( psz_chroma )
 173     {
 174         if( strlen( psz_chroma ) >= 4 )
 175         {
 176             /* Do not use direct assignment because we are not sure of the
 177              * alignment. */
 178             memcpy(&i_chroma, psz_chroma, 4);
 179             b_chroma = 1;
 180         }
 181
 182         free( psz_chroma );
 183     }
 184
 185     if( b_chroma )
 186     {
 187         msg_Dbg( p_vout, "forcing chroma 0x%.8x (%4.4s)",
 188                  i_chroma, (char*)&i_chroma );
 189     }
 190     else
 191     {
 192         i_chroma = p_vout->render.i_chroma;
 193     }
 194
 195     /* Check that we have access to an XVideo port providing this chroma */
 196     p_vout->p_sys->i_xvport = XVideoGetPort( p_vout, VLC2X11_FOURCC(i_chroma),
 197                                              &p_vout->output.i_chroma );
 198     if( p_vout->p_sys->i_xvport < 0 )
 199     {
 200         /* If a specific chroma format was requested, then we don't try to
 201          * be cleverer than the user. He knew pretty well what he wanted. */
 202         if( b_chroma )
 203         {
 204             XCloseDisplay( p_vout->p_sys->p_display );
 205             free( p_vout->p_sys );
 206             return VLC_EGENERIC;
 207         }
 208
 209         /* It failed, but it's not completely lost ! We try to open an
 210          * XVideo port for an YUY2 picture. We'll need to do an YUV
 211          * conversion, but at least it has got scaling. */
 212         p_vout->p_sys->i_xvport =
 213                         XVideoGetPort( p_vout, X11_FOURCC('Y','U','Y','2'),
 214                                                &p_vout->output.i_chroma );
 215         if( p_vout->p_sys->i_xvport < 0 )
 216         {
 217             /* It failed, but it's not completely lost ! We try to open an
 218              * XVideo port for a simple 16bpp RGB picture. We'll need to do
 219              * an YUV conversion, but at least it has got scaling. */
 220             p_vout->p_sys->i_xvport =
 221                             XVideoGetPort( p_vout, X11_FOURCC('R','V','1','6'),
 222                                                    &p_vout->output.i_chroma );
 223             if( p_vout->p_sys->i_xvport < 0 )
 224             {
 225                 XCloseDisplay( p_vout->p_sys->p_display );
 226                 free( p_vout->p_sys );
 227                 return VLC_EGENERIC;
 228             }
 229         }
 230     }
 231     p_vout->output.i_chroma = X112VLC_FOURCC(p_vout->output.i_chroma);
 232 #endif
 233
 234     /* Create blank cursor (for mouse cursor autohiding) */
 235     p_vout->p_sys->i_time_mouse_last_moved = mdate();
 236     p_vout->p_sys->b_mouse_pointer_visible = 1;
 237     CreateCursor( p_vout );
 238
 239     /* Set main window's size */
 240     p_vout->p_sys->original_window.i_width = p_vout->i_window_width;
 241     p_vout->p_sys->original_window.i_height = p_vout->i_window_height;
 242
 243     /* Spawn base window - this window will include the video output window,
 244      * but also command buttons, subtitles and other indicators */
 245     if( CreateWindow( p_vout, &p_vout->p_sys->original_window ) )
 246     {
 247         msg_Err( p_vout, "cannot create X11 window" );
 248         DestroyCursor( p_vout );
 249         XCloseDisplay( p_vout->p_sys->p_display );
 250         free( p_vout->p_sys );
 251         return VLC_EGENERIC;
 252     }
 253
 254     /* Open and initialize device. */
 255     if( InitDisplay( p_vout ) )
 256     {
 257         msg_Err( p_vout, "cannot initialize X11 display" );
 258         DestroyCursor( p_vout );
 259         DestroyWindow( p_vout, &p_vout->p_sys->original_window );
 260         XCloseDisplay( p_vout->p_sys->p_display );
 261         free( p_vout->p_sys );
 262         return VLC_EGENERIC;
 263     }
 264
 265     /* Disable screen saver */
 266     DisableXScreenSaver( p_vout );
 267
 268     /* Misc init */
 269     p_vout->p_sys->b_altfullscreen = 0;
 270     p_vout->p_sys->i_time_button_last_pressed = 0;
 271
 272     return VLC_SUCCESS;
 273 }
 274
 275 /*****************************************************************************
 276  * Deactivate: destroy X11 video thread output method
 277  *****************************************************************************
 278  * Terminate an output method created by Open
 279  *****************************************************************************/
 280 void E_(Deactivate) ( vlc_object_t *p_this )
 281 {
 282     vout_thread_t *p_vout = (vout_thread_t *)p_this;
 283
 284     /* If the fullscreen window is still open, close it */
 285     if( p_vout->b_fullscreen )
 286     {
 287         ToggleFullScreen( p_vout );
 288     }
 289
 290     /* Restore cursor if it was blanked */
 291     if( !p_vout->p_sys->b_mouse_pointer_visible )
 292     {
 293         ToggleCursor( p_vout );
 294     }
 295
 296 #ifdef MODULE_NAME_IS_x11
 297     /* Destroy colormap */
 298     if( XDefaultDepth(p_vout->p_sys->p_display, p_vout->p_sys->i_screen) == 8 )
 299     {
 300         XFreeColormap( p_vout->p_sys->p_display, p_vout->p_sys->colormap );
 301     }
 302 #else
 303     XVideoReleasePort( p_vout, p_vout->p_sys->i_xvport );
 304 #endif
 305
 306     DestroyCursor( p_vout );
 307     EnableXScreenSaver( p_vout );
 308     DestroyWindow( p_vout, &p_vout->p_sys->original_window );
 309
 310     XCloseDisplay( p_vout->p_sys->p_display );
 311
 312     /* Destroy structure */
 313     free( p_vout->p_sys );
 314 }
 315
 316 /*****************************************************************************
 317  * InitVideo: initialize X11 video thread output method
 318  *****************************************************************************
 319  * This function create the XImages needed by the output thread. It is called
 320  * at the beginning of the thread, but also each time the window is resized.
 321  *****************************************************************************/
 322 static int InitVideo( vout_thread_t *p_vout )
 323 {
 324     int i_index;
 325     picture_t *p_pic;
 326
 327     I_OUTPUTPICTURES = 0;
 328
 329 #ifdef MODULE_NAME_IS_xvideo
 330     /* Initialize the output structure; we already found an XVideo port,
 331      * and the corresponding chroma we will be using. Since we can
 332      * arbitrary scale, stick to the coordinates and aspect. */
 333     p_vout->output.i_width  = p_vout->render.i_width;
 334     p_vout->output.i_height = p_vout->render.i_height;
 335     p_vout->output.i_aspect = p_vout->render.i_aspect;
 336
 337     switch( p_vout->output.i_chroma )
 338     {
 339         case VLC_FOURCC('R','V','1','5'):
 340             p_vout->output.i_rmask = 0x001f;
 341             p_vout->output.i_gmask = 0x07e0;
 342             p_vout->output.i_bmask = 0xf800;
 343             break;
 344         case VLC_FOURCC('R','V','1','6'):
 345             p_vout->output.i_rmask = 0x001f;
 346             p_vout->output.i_gmask = 0x03e0;
 347             p_vout->output.i_bmask = 0x7c00;
 348             break;
 349     }
 350
 351 #else
 352     /* Initialize the output structure: RGB with square pixels, whatever
 353      * the input format is, since it's the only format we know */
 354     switch( p_vout->p_sys->i_screen_depth )
 355     {
 356         case 8: /* FIXME: set the palette */
 357             p_vout->output.i_chroma = VLC_FOURCC('R','G','B','2'); break;
 358         case 15:
 359             p_vout->output.i_chroma = VLC_FOURCC('R','V','1','5'); break;
 360         case 16:
 361             p_vout->output.i_chroma = VLC_FOURCC('R','V','1','6'); break;
 362         case 24:
 363             p_vout->output.i_chroma = VLC_FOURCC('R','V','2','4'); break;
 364         case 32:
 365             p_vout->output.i_chroma = VLC_FOURCC('R','V','2','4'); break;
 366         default:
 367             msg_Err( p_vout, "unknown screen depth %i",
 368                      p_vout->p_sys->i_screen_depth );
 369             return VLC_SUCCESS;
 370     }
 371
 372     vout_PlacePicture( p_vout, p_vout->p_sys->p_win->i_width,
 373                        p_vout->p_sys->p_win->i_height,
 374                        &i_index, &i_index,
 375                        &p_vout->output.i_width, &p_vout->output.i_height );
 376
 377     /* Assume we have square pixels */
 378     p_vout->output.i_aspect = p_vout->output.i_width
 379                                * VOUT_ASPECT_FACTOR / p_vout->output.i_height;
 380 #endif
 381
 382     /* Try to initialize up to MAX_DIRECTBUFFERS direct buffers */
 383     while( I_OUTPUTPICTURES < MAX_DIRECTBUFFERS )
 384     {
 385         p_pic = NULL;
 386
 387         /* Find an empty picture slot */
 388         for( i_index = 0 ; i_index < VOUT_MAX_PICTURES ; i_index++ )
 389         {
 390           if( p_vout->p_picture[ i_index ].i_status == FREE_PICTURE )
 391             {
 392                 p_pic = p_vout->p_picture + i_index;
 393                 break;
 394             }
 395         }
 396
 397         /* Allocate the picture */
 398         if( p_pic == NULL || NewPicture( p_vout, p_pic ) )
 399         {
 400             break;
 401         }
 402
 403         p_pic->i_status = DESTROYED_PICTURE;
 404         p_pic->i_type   = DIRECT_PICTURE;
 405
 406         PP_OUTPUTPICTURE[ I_OUTPUTPICTURES ] = p_pic;
 407
 408         I_OUTPUTPICTURES++;
 409     }
 410
 411     return VLC_SUCCESS;
 412 }
 413
 414  /*****************************************************************************
 415  * DisplayVideo: displays previously rendered output
 416  *****************************************************************************
 417  * This function sends the currently rendered image to X11 server.
 418  * (The Xv extension takes care of "double-buffering".)
 419  *****************************************************************************/
 420 static void DisplayVideo( vout_thread_t *p_vout, picture_t *p_pic )
 421 {
 422     int i_width, i_height, i_x, i_y;
 423
 424     vout_PlacePicture( p_vout, p_vout->p_sys->p_win->i_width,
 425                        p_vout->p_sys->p_win->i_height,
 426                        &i_x, &i_y, &i_width, &i_height );
 427
 428 #ifdef HAVE_SYS_SHM_H
 429     if( p_vout->p_sys->b_shm )
 430     {
 431         /* Display rendered image using shared memory extension */
 432 #   ifdef MODULE_NAME_IS_xvideo
 433         XvShmPutImage( p_vout->p_sys->p_display, p_vout->p_sys->i_xvport,
 434                        p_vout->p_sys->p_win->video_window,
 435                        p_vout->p_sys->p_win->gc, p_pic->p_sys->p_image,
 436                        0 /*src_x*/, 0 /*src_y*/,
 437                        p_vout->output.i_width, p_vout->output.i_height,
 438                        0 /*dest_x*/, 0 /*dest_y*/, i_width, i_height,
 439                        False /* Don't put True here or you'll waste your CPU */ );
 440 #   else
 441         XShmPutImage( p_vout->p_sys->p_display,
 442                       p_vout->p_sys->p_win->video_window,
 443                       p_vout->p_sys->p_win->gc, p_pic->p_sys->p_image,
 444                       0 /*src_x*/, 0 /*src_y*/, 0 /*dest_x*/, 0 /*dest_y*/,
 445                       p_vout->output.i_width, p_vout->output.i_height,
 446                       False /* Don't put True here ! */ );
 447 #   endif
 448     }
 449     else
 450 #endif /* HAVE_SYS_SHM_H */
 451     {
 452         /* Use standard XPutImage -- this is gonna be slow ! */
 453 #ifdef MODULE_NAME_IS_xvideo
 454         XvPutImage( p_vout->p_sys->p_display, p_vout->p_sys->i_xvport,
 455                     p_vout->p_sys->p_win->video_window,
 456                     p_vout->p_sys->p_win->gc, p_pic->p_sys->p_image,
 457                     0 /*src_x*/, 0 /*src_y*/,
 458                     p_vout->output.i_width, p_vout->output.i_height,
 459                     0 /*dest_x*/, 0 /*dest_y*/, i_width, i_height );
 460 #else
 461         XPutImage( p_vout->p_sys->p_display,
 462                    p_vout->p_sys->p_win->video_window,
 463                    p_vout->p_sys->p_win->gc, p_pic->p_sys->p_image,
 464                    0 /*src_x*/, 0 /*src_y*/, 0 /*dest_x*/, 0 /*dest_y*/,
 465                    p_vout->output.i_width, p_vout->output.i_height );
 466 #endif
 467     }
 468
 469     /* Make sure the command is sent now - do NOT use XFlush !*/
 470     XSync( p_vout->p_sys->p_display, False );
 471 }
 472
 473 /*****************************************************************************
 474  * ManageVideo: handle X11 events
 475  *****************************************************************************
 476  * This function should be called regularly by video output thread. It manages
 477  * X11 events and allows window resizing. It returns a non null value on
 478  * error.
 479  *****************************************************************************/
 480 static int ManageVideo( vout_thread_t *p_vout )
 481 {
 482     XEvent      xevent;                                         /* X11 event */
 483     char        i_key;                                    /* ISO Latin-1 key */
 484     KeySym      x_key_symbol;
 485     vlc_value_t val;
 486
 487     /* Handle X11 events: ConfigureNotify events are parsed to know if the
 488      * output window's size changed, MapNotify and UnmapNotify to know if the
 489      * window is mapped (and if the display is useful), and ClientMessages
 490      * to intercept window destruction requests */
 491
 492     while( XCheckWindowEvent( p_vout->p_sys->p_display,
 493                               p_vout->p_sys->p_win->base_window,
 494                               StructureNotifyMask | KeyPressMask |
 495                               ButtonPressMask | ButtonReleaseMask |
 496                               PointerMotionMask | Button1MotionMask , &xevent )
 497            == True )
 498     {
 499         /* ConfigureNotify event: prepare  */
 500         if( xevent.type == ConfigureNotify )
 501         {
 502             if( (unsigned int)xevent.xconfigure.width
 503                    != p_vout->p_sys->p_win->i_width
 504               || (unsigned int)xevent.xconfigure.height
 505                     != p_vout->p_sys->p_win->i_height )
 506             {
 507                 /* Update dimensions */
 508                 p_vout->i_changes |= VOUT_SIZE_CHANGE;
 509                 p_vout->p_sys->p_win->i_width = xevent.xconfigure.width;
 510                 p_vout->p_sys->p_win->i_height = xevent.xconfigure.height;
 511             }
 512         }
 513         /* Keyboard event */
 514         else if( xevent.type == KeyPress )
 515         {
 516             /* We may have keys like F1 trough F12, ESC ... */
 517             x_key_symbol = XKeycodeToKeysym( p_vout->p_sys->p_display,
 518                                              xevent.xkey.keycode, 0 );
 519             switch( (int)x_key_symbol )
 520             {
 521             case XK_Escape:
 522                 if( p_vout->b_fullscreen )
 523                 {
 524                     p_vout->i_changes |= VOUT_FULLSCREEN_CHANGE;
 525                 }
 526                 else
 527                 {
 528                     p_vout->p_vlc->b_die = 1;
 529                 }
 530                 break;
 531             case XK_Menu:
 532                 {
 533                     intf_thread_t *p_intf;
 534                     playlist_t * p_playlist;
 535
 536                     p_intf = vlc_object_find( p_vout, VLC_OBJECT_INTF,
 537                                                       FIND_ANYWHERE );
 538                     if( p_intf )
 539                     {
 540                         p_intf->b_menu_change = 1;
 541                         vlc_object_release( p_intf );
 542                     }
 543
 544                     p_playlist = vlc_object_find( p_vout, VLC_OBJECT_PLAYLIST,
 545                                                            FIND_ANYWHERE );
 546                     if( p_playlist != NULL )
 547                     {
 548                         vlc_value_t val;
 549                         var_Set( p_playlist, "intf-popupmenu", val );
 550                         vlc_object_release( p_playlist );
 551                     }
 552                 }
 553                 break;
 554             case XK_Left:
 555 /*                input_Seek( p_vout, -5, INPUT_SEEK_SECONDS | INPUT_SEEK_CUR ); */
 556                 val.psz_string = "LEFT";
 557                 var_Set( p_vout, "key-pressed", val );
 558                 break;
 559             case XK_Right:
 560 /*                input_Seek( p_vout, 5, INPUT_SEEK_SECONDS | INPUT_SEEK_CUR ); */
 561                 val.psz_string = "RIGHT";
 562                 var_Set( p_vout, "key-pressed", val );
 563                 break;
 564             case XK_Up:
 565 /*                input_Seek( p_vout, 60, INPUT_SEEK_SECONDS | INPUT_SEEK_CUR ); */
 566                 val.psz_string = "UP";
 567                 var_Set( p_vout, "key-pressed", val );
 568                 break;
 569             case XK_Down:
 570 /*                input_Seek( p_vout, -60, INPUT_SEEK_SECONDS | INPUT_SEEK_CUR ); */
 571                 val.psz_string = "DOWN";
 572                 var_Set( p_vout, "key-pressed", val );
 573                 break;
 574             case XK_Return:
 575             case XK_KP_Enter:
 576                 val.psz_string = "ENTER";
 577                 var_Set( p_vout, "key-pressed", val );
 578                 break;
 579             case XK_Home:
 580                 input_Seek( p_vout, 0, INPUT_SEEK_BYTES | INPUT_SEEK_SET );
 581                 break;
 582             case XK_End:
 583                 input_Seek( p_vout, 0, INPUT_SEEK_BYTES | INPUT_SEEK_END );
 584                 break;
 585             case XK_Page_Up:
 586                 input_Seek( p_vout, 5, INPUT_SEEK_SECONDS | INPUT_SEEK_CUR );
 587                 break;
 588             case XK_Page_Down:
 589                 input_Seek( p_vout, -5, INPUT_SEEK_SECONDS | INPUT_SEEK_CUR );
 590                 break;
 591             case XK_space:
 592                 input_SetStatus( p_vout, INPUT_STATUS_PAUSE );
 593                 break;
 594
 595             default:
 596                 /* "Normal Keys"
 597                  * The reason why I use this instead of XK_0 is that
 598                  * with XLookupString, we don't have to care about
 599                  * keymaps. */
 600
 601                 if( XLookupString( &xevent.xkey, &i_key, 1, NULL, NULL ) )
 602                 {
 603                     /* FIXME: handle stuff here */
 604                     switch( i_key )
 605                     {
 606                     case 'q':
 607                     case 'Q':
 608                         p_vout->p_vlc->b_die = 1;
 609                         break;
 610                     case 'f':
 611                     case 'F':
 612                         p_vout->i_changes |= VOUT_FULLSCREEN_CHANGE;
 613                         break;
 614
 615                     default:
 616                         break;
 617                     }
 618                 }
 619                 break;
 620             }
 621         }
 622         /* Mouse click */
 623         else if( xevent.type == ButtonPress )
 624         {
 625             switch( ((XButtonEvent *)&xevent)->button )
 626             {
 627                 case Button1:
 628                     var_Get( p_vout, "mouse-button-down", &val );
 629                     val.i_int |= 1;
 630                     var_Set( p_vout, "mouse-button-down", val );
 631
 632                     /* detect double-clicks */
 633                     if( ( ((XButtonEvent *)&xevent)->time -
 634                           p_vout->p_sys->i_time_button_last_pressed ) < 300 )
 635                     {
 636                         p_vout->i_changes |= VOUT_FULLSCREEN_CHANGE;
 637                     }
 638
 639                     p_vout->p_sys->i_time_button_last_pressed =
 640                         ((XButtonEvent *)&xevent)->time;
 641                     break;
 642                 case Button2:
 643                     var_Get( p_vout, "mouse-button-down", &val );
 644                     val.i_int |= 2;
 645                     var_Set( p_vout, "mouse-button-down", val );
 646                     break;
 647
 648                 case Button3:
 649                     var_Get( p_vout, "mouse-button-down", &val );
 650                     val.i_int |= 4;
 651                     var_Set( p_vout, "mouse-button-down", val );
 652                     break;
 653
 654                 case Button4:
 655                     var_Get( p_vout, "mouse-button-down", &val );
 656                     val.i_int |= 8;
 657                     var_Set( p_vout, "mouse-button-down", val );
 658                     input_Seek( p_vout, 15, INPUT_SEEK_SECONDS | INPUT_SEEK_CUR );
 659                     break;
 660
 661                 case Button5:
 662                     var_Get( p_vout, "mouse-button-down", &val );
 663                     val.i_int |= 16;
 664                     var_Set( p_vout, "mouse-button-down", val );
 665                     input_Seek( p_vout, -15, INPUT_SEEK_SECONDS | INPUT_SEEK_CUR );
 666                     break;
 667             }
 668         }
 669         /* Mouse release */
 670         else if( xevent.type == ButtonRelease )
 671         {
 672             switch( ((XButtonEvent *)&xevent)->button )
 673             {
 674                 case Button1:
 675                     var_Get( p_vout, "mouse-button-down", &val );
 676                     val.i_int &= ~1;
 677                     var_Set( p_vout, "mouse-button-down", val );
 678
 679                     val.b_bool = VLC_TRUE;
 680                     var_Set( p_vout, "mouse-clicked", val );
 681                     break;
 682
 683                 case Button2:
 684                     {
 685                         playlist_t *p_playlist;
 686
 687                         var_Get( p_vout, "mouse-button-down", &val );
 688                         val.i_int &= ~2;
 689                         var_Set( p_vout, "mouse-button-down", val );
 690
 691                         p_playlist = vlc_object_find( p_vout,
 692                                                       VLC_OBJECT_PLAYLIST,
 693                                                       FIND_ANYWHERE );
 694                         if( p_playlist != NULL )
 695                         {
 696                             vlc_value_t val;
 697                             var_Get( p_playlist, "intf-show", &val );
 698                             val.b_bool = !val.b_bool;
 699                             var_Set( p_playlist, "intf-show", val );
 700                             vlc_object_release( p_playlist );
 701                         }
 702                     }
 703                     break;
 704
 705                 case Button3:
 706                     {
 707                         intf_thread_t *p_intf;
 708                         playlist_t *p_playlist;
 709
 710                         var_Get( p_vout, "mouse-button-down", &val );
 711                         val.i_int &= ~4;
 712                         var_Set( p_vout, "mouse-button-down", val );
 713                         p_intf = vlc_object_find( p_vout, VLC_OBJECT_INTF,
 714                                                           FIND_ANYWHERE );
 715                         if( p_intf )
 716                         {
 717                             p_intf->b_menu_change = 1;
 718                             vlc_object_release( p_intf );
 719                         }
 720
 721                         p_playlist = vlc_object_find( p_vout,
 722                                                       VLC_OBJECT_PLAYLIST,
 723                                                       FIND_ANYWHERE );
 724                         if( p_playlist != NULL )
 725                         {
 726                             vlc_value_t val;
 727                             var_Set( p_playlist, "intf-popupmenu", val );
 728                             vlc_object_release( p_playlist );
 729                         }
 730                     }
 731                     break;
 732
 733                 case Button4:
 734                     var_Get( p_vout, "mouse-button-down", &val );
 735                     val.i_int &= ~8;
 736                     var_Set( p_vout, "mouse-button-down", val );
 737                     break;
 738
 739                 case Button5:
 740                     var_Get( p_vout, "mouse-button-down", &val );
 741                     val.i_int &= ~16;
 742                     var_Set( p_vout, "mouse-button-down", val );
 743                     break;
 744
 745             }
 746         }
 747         /* Mouse move */
 748         else if( xevent.type == MotionNotify )
 749         {
 750             int i_width, i_height, i_x, i_y;
 751             vlc_value_t val;
 752
 753             /* somewhat different use for vout_PlacePicture:
 754              * here the values are needed to give to mouse coordinates
 755              * in the original picture space */
 756             vout_PlacePicture( p_vout, p_vout->p_sys->p_win->i_width,
 757                                p_vout->p_sys->p_win->i_height,
 758                                &i_x, &i_y, &i_width, &i_height );
 759
 760             val.i_int = ( xevent.xmotion.x - i_x )
 761                          * p_vout->render.i_width / i_width;
 762             var_Set( p_vout, "mouse-x", val );
 763             val.i_int = ( xevent.xmotion.y - i_y )
 764                          * p_vout->render.i_height / i_height;
 765             var_Set( p_vout, "mouse-y", val );
 766
 767             val.b_bool = VLC_TRUE;
 768             var_Set( p_vout, "mouse-moved", val );
 769
 770             p_vout->p_sys->i_time_mouse_last_moved = mdate();
 771             if( ! p_vout->p_sys->b_mouse_pointer_visible )
 772             {
 773                 ToggleCursor( p_vout );
 774             }
 775         }
 776         else if( xevent.type == ReparentNotify /* XXX: why do we get this? */
 777                   || xevent.type == MapNotify
 778                   || xevent.type == UnmapNotify )
 779         {
 780             /* Ignore these events */
 781         }
 782         else /* Other events */
 783         {
 784             msg_Warn( p_vout, "unhandled event %d received", xevent.type );
 785         }
 786     }
 787
 788     /* Handle events for video output sub-window */
 789     while( XCheckWindowEvent( p_vout->p_sys->p_display,
 790                               p_vout->p_sys->p_win->video_window,
 791                               ExposureMask, &xevent ) == True )
 792     {
 793         /* Window exposed (only handled if stream playback is paused) */
 794         if( xevent.type == Expose )
 795         {
 796             if( ((XExposeEvent *)&xevent)->count == 0 )
 797             {
 798                 /* (if this is the last a collection of expose events...) */
 799 #if 0
 800                 if( p_vout->p_vlc->p_input_bank->pp_input[0] != NULL )
 801                 {
 802                     if( PAUSE_S == p_vout->p_vlc->p_input_bank->pp_input[0]
 803                                                    ->stream.control.i_status )
 804                     {
 805                         /* XVideoDisplay( p_vout )*/;
 806                     }
 807                 }
 808 #endif
 809             }
 810         }
 811     }
 812
 813     /* ClientMessage event - only WM_PROTOCOLS with WM_DELETE_WINDOW data
 814      * are handled - according to the man pages, the format is always 32
 815      * in this case */
 816     while( XCheckTypedEvent( p_vout->p_sys->p_display,
 817                              ClientMessage, &xevent ) )
 818     {
 819         if( (xevent.xclient.message_type == p_vout->p_sys->p_win->wm_protocols)
 820                && ((Atom)xevent.xclient.data.l[0]
 821                      == p_vout->p_sys->p_win->wm_delete_window ) )
 822         {
 823             p_vout->p_vlc->b_die = 1;
 824         }
 825     }
 826
 827     /*
 828      * Fullscreen Change
 829      */
 830     if ( p_vout->i_changes & VOUT_FULLSCREEN_CHANGE )
 831     {
 832         vlc_value_t val;
 833
 834         /* Update the object variable and trigger callback */
 835         val.b_bool = !p_vout->b_fullscreen;
 836         var_Set( p_vout, "fullscreen", val );
 837
 838         ToggleFullScreen( p_vout );
 839         p_vout->i_changes &= ~VOUT_FULLSCREEN_CHANGE;
 840     }
 841
 842     /*
 843      * Size change
 844      *
 845      * (Needs to be placed after VOUT_FULLSREEN_CHANGE because we can activate
 846      *  the size flag inside the fullscreen routine)
 847      */
 848     if( p_vout->i_changes & VOUT_SIZE_CHANGE )
 849     {
 850         int i_width, i_height, i_x, i_y;
 851
 852         p_vout->i_changes &= ~VOUT_SIZE_CHANGE;
 853
 854 #ifdef MODULE_NAME_IS_x11
 855         /* We need to signal the vout thread about the size change because it
 856          * is doing the rescaling */
 857         p_vout->i_changes |= VOUT_SIZE_CHANGE;
 858 #endif
 859
 860         vout_PlacePicture( p_vout, p_vout->p_sys->p_win->i_width,
 861                            p_vout->p_sys->p_win->i_height,
 862                            &i_x, &i_y, &i_width, &i_height );
 863
 864         XResizeWindow( p_vout->p_sys->p_display,
 865                        p_vout->p_sys->p_win->video_window, i_width, i_height );
 866
 867         XMoveWindow( p_vout->p_sys->p_display,
 868                      p_vout->p_sys->p_win->video_window, i_x, i_y );
 869     }
 870
 871     /* Autohide Cursour */
 872     if( mdate() - p_vout->p_sys->i_time_mouse_last_moved > 2000000 )
 873     {
 874         /* Hide the mouse automatically */
 875         if( p_vout->p_sys->b_mouse_pointer_visible )
 876         {
 877             ToggleCursor( p_vout );
 878         }
 879     }
 880
 881     return 0;
 882 }
 883
 884 /*****************************************************************************
 885  * EndVideo: terminate X11 video thread output method
 886  *****************************************************************************
 887  * Destroy the X11 XImages created by Init. It is called at the end of
 888  * the thread, but also each time the window is resized.
 889  *****************************************************************************/
 890 static void EndVideo( vout_thread_t *p_vout )
 891 {
 892     int i_index;
 893
 894     /* Free the direct buffers we allocated */
 895     for( i_index = I_OUTPUTPICTURES ; i_index ; )
 896     {
 897         i_index--;
 898         FreePicture( p_vout, PP_OUTPUTPICTURE[ i_index ] );
 899     }
 900 }
 901
 902 /* following functions are local */
 903
 904 /*****************************************************************************
 905  * CreateWindow: open and set-up X11 main window
 906  *****************************************************************************/
 907 static int CreateWindow( vout_thread_t *p_vout, x11_window_t *p_win )
 908 {
 909     XSizeHints              xsize_hints;
 910     XSetWindowAttributes    xwindow_attributes;
 911     XGCValues               xgcvalues;
 912     XEvent                  xevent;
 913
 914     vlc_bool_t              b_expose;
 915     vlc_bool_t              b_configure_notify;
 916     vlc_bool_t              b_map_notify;
 917
 918     vlc_value_t             val;
 919     long long int           i_drawable;
 920
 921     /* Prepare window manager hints and properties */
 922     xsize_hints.base_width          = p_win->i_width;
 923     xsize_hints.base_height         = p_win->i_height;
 924     xsize_hints.flags               = PSize;
 925     p_win->wm_protocols =
 926              XInternAtom( p_vout->p_sys->p_display, "WM_PROTOCOLS", True );
 927     p_win->wm_delete_window =
 928              XInternAtom( p_vout->p_sys->p_display, "WM_DELETE_WINDOW", True );
 929
 930     /* Prepare window attributes */
 931     xwindow_attributes.backing_store = Always;       /* save the hidden part */
 932     xwindow_attributes.background_pixel = BlackPixel(p_vout->p_sys->p_display,
 933                                                      p_vout->p_sys->i_screen);
 934     xwindow_attributes.event_mask = ExposureMask | StructureNotifyMask;
 935
 936     /* Check whether someone provided us with a window ID */
 937     var_Get( p_vout->p_vlc, "drawable", &val );
 938     i_drawable = p_vout->b_fullscreen ? 0 : val.i_int;
 939
 940     if( !i_drawable )
 941     {
 942         p_win->b_owned = VLC_TRUE;
 943
 944         /* Create the window and set hints - the window must receive
 945          * ConfigureNotify events, and until it is displayed, Expose and
 946          * MapNotify events. */
 947
 948         p_win->base_window =
 949             XCreateWindow( p_vout->p_sys->p_display,
 950                            DefaultRootWindow( p_vout->p_sys->p_display ),
 951                            0, 0,
 952                            p_win->i_width, p_win->i_height,
 953                            0,
 954                            0, InputOutput, 0,
 955                            CWBackingStore | CWBackPixel | CWEventMask,
 956                            &xwindow_attributes );
 957
 958         if( !p_vout->b_fullscreen )
 959         {
 960             /* Set window manager hints and properties: size hints, command,
 961              * window's name, and accepted protocols */
 962             XSetWMNormalHints( p_vout->p_sys->p_display,
 963                                p_win->base_window, &xsize_hints );
 964             XSetCommand( p_vout->p_sys->p_display, p_win->base_window,
 965                          p_vout->p_vlc->ppsz_argv, p_vout->p_vlc->i_argc );
 966
 967             XStoreName( p_vout->p_sys->p_display, p_win->base_window,
 968 #ifdef MODULE_NAME_IS_x11
 969                         VOUT_TITLE " (X11 output)"
 970 #else
 971                         VOUT_TITLE " (XVideo output)"
 972 #endif
 973                       );
 974         }
 975     }
 976     else
 977     {
 978         p_win->b_owned = VLC_FALSE;
 979         p_win->base_window = i_drawable;
 980
 981         XChangeWindowAttributes( p_vout->p_sys->p_display,
 982                                  p_win->base_window,
 983                                  CWBackingStore | CWBackPixel | CWEventMask,
 984                                  &xwindow_attributes );
 985     }
 986
 987     if( (p_win->wm_protocols == None)        /* use WM_DELETE_WINDOW */
 988         || (p_win->wm_delete_window == None)
 989         || !XSetWMProtocols( p_vout->p_sys->p_display, p_win->base_window,
 990                              &p_win->wm_delete_window, 1 ) )
 991     {
 992         /* WM_DELETE_WINDOW is not supported by window manager */
 993         msg_Warn( p_vout, "missing or bad window manager" );
 994     }
 995
 996     /* Creation of a graphic context that doesn't generate a GraphicsExpose
 997      * event when using functions like XCopyArea */
 998     xgcvalues.graphics_exposures = False;
 999     p_win->gc = XCreateGC( p_vout->p_sys->p_display,
1000                            p_win->base_window,
1001                            GCGraphicsExposures, &xgcvalues );
1002
1003     if( p_win->b_owned )
1004     {
1005         /* Send orders to server, and wait until window is displayed - three
1006          * events must be received: a MapNotify event, an Expose event allowing
1007          * drawing in the window, and a ConfigureNotify to get the window
1008          * dimensions. Once those events have been received, only
1009          * ConfigureNotify events need to be received. */
1010         b_expose = 0;
1011         b_configure_notify = 0;
1012         b_map_notify = 0;
1013         XMapWindow( p_vout->p_sys->p_display, p_win->base_window );
1014         do
1015         {
1016             XNextEvent( p_vout->p_sys->p_display, &xevent);
1017             if( (xevent.type == Expose)
1018                 && (xevent.xexpose.window == p_win->base_window) )
1019             {
1020                 b_expose = 1;
1021             }
1022             else if( (xevent.type == MapNotify)
1023                      && (xevent.xmap.window == p_win->base_window) )
1024             {
1025                 b_map_notify = 1;
1026             }
1027             else if( (xevent.type == ConfigureNotify)
1028                      && (xevent.xconfigure.window == p_win->base_window) )
1029             {
1030                 b_configure_notify = 1;
1031                 p_win->i_width = xevent.xconfigure.width;
1032                 p_win->i_height = xevent.xconfigure.height;
1033             }
1034         } while( !( b_expose && b_configure_notify && b_map_notify ) );
1035     }
1036     else
1037     {
1038         /* Get the window's geometry information */
1039         Window dummy1;
1040         unsigned int dummy2, dummy3;
1041         XGetGeometry( p_vout->p_sys->p_display, p_win->base_window,
1042                       &dummy1, &dummy2, &dummy3,
1043                       &p_win->i_width,
1044                       &p_win->i_height,
1045                       &dummy2, &dummy3 );
1046     }
1047
1048     /* When we don't own the window we cannot put ButtonPressMask in the list,
1049      * because according to the XSelectInput manpage, only one client at a
1050      * time can select a ButtonPress event. Programs such as Mozilla may be
1051      * already selecting this event. */
1052     if( p_win->b_owned )
1053         XSelectInput( p_vout->p_sys->p_display, p_win->base_window,
1054                       StructureNotifyMask | KeyPressMask |
1055                       ButtonPressMask | ButtonReleaseMask |
1056                       PointerMotionMask );
1057     else
1058         XSelectInput( p_vout->p_sys->p_display, p_win->base_window,
1059                       StructureNotifyMask );
1060
1061 #ifdef MODULE_NAME_IS_x11
1062     if( p_win->b_owned &&
1063          XDefaultDepth(p_vout->p_sys->p_display, p_vout->p_sys->i_screen) == 8 )
1064     {
1065         /* Allocate a new palette */
1066         p_vout->p_sys->colormap =
1067             XCreateColormap( p_vout->p_sys->p_display,
1068                              DefaultRootWindow( p_vout->p_sys->p_display ),
1069                              DefaultVisual( p_vout->p_sys->p_display,
1070                                             p_vout->p_sys->i_screen ),
1071                              AllocAll );
1072
1073         xwindow_attributes.colormap = p_vout->p_sys->colormap;
1074         XChangeWindowAttributes( p_vout->p_sys->p_display, p_win->base_window,
1075                                  CWColormap, &xwindow_attributes );
1076     }
1077 #endif
1078
1079     /* Create video output sub-window. */
1080     p_win->video_window =  XCreateSimpleWindow(
1081                                       p_vout->p_sys->p_display,
1082                                       p_win->base_window, 0, 0,
1083                                       p_win->i_width, p_win->i_height,
1084                                       0,
1085                                       BlackPixel( p_vout->p_sys->p_display,
1086                                                   p_vout->p_sys->i_screen ),
1087                                       WhitePixel( p_vout->p_sys->p_display,
1088                                                   p_vout->p_sys->i_screen ) );
1089
1090     XSetWindowBackground( p_vout->p_sys->p_display, p_win->video_window,
1091                           BlackPixel( p_vout->p_sys->p_display,
1092                                       p_vout->p_sys->i_screen ) );
1093
1094     XMapWindow( p_vout->p_sys->p_display, p_win->video_window );
1095     XSelectInput( p_vout->p_sys->p_display, p_win->video_window,
1096                   ExposureMask );
1097
1098     /* make sure the video window will be centered in the next ManageVideo() */
1099     p_vout->i_changes |= VOUT_SIZE_CHANGE;
1100
1101     /* If the cursor was formerly blank than blank it again */
1102     if( !p_vout->p_sys->b_mouse_pointer_visible )
1103     {
1104         ToggleCursor( p_vout );
1105         ToggleCursor( p_vout );
1106     }
1107
1108     /* Do NOT use XFlush here ! */
1109     XSync( p_vout->p_sys->p_display, False );
1110
1111     /* At this stage, the window is open, displayed, and ready to
1112      * receive data */
1113     p_vout->p_sys->p_win = p_win;
1114
1115     return VLC_SUCCESS;
1116 }
1117
1118 /*****************************************************************************
1119  * DestroyWindow: destroy the window
1120  *****************************************************************************
1121  *
1122  *****************************************************************************/
1123 static void DestroyWindow( vout_thread_t *p_vout, x11_window_t *p_win )
1124 {
1125     /* Do NOT use XFlush here ! */
1126     XSync( p_vout->p_sys->p_display, False );
1127
1128     XDestroyWindow( p_vout->p_sys->p_display, p_win->video_window );
1129     XFreeGC( p_vout->p_sys->p_display, p_win->gc );
1130
1131     if( p_win->b_owned )
1132     {
1133         XUnmapWindow( p_vout->p_sys->p_display, p_win->base_window );
1134         XDestroyWindow( p_vout->p_sys->p_display, p_win->base_window );
1135     }
1136 }
1137
1138 /*****************************************************************************
1139  * NewPicture: allocate a picture
1140  *****************************************************************************
1141  * Returns 0 on success, -1 otherwise
1142  *****************************************************************************/
1143 static int NewPicture( vout_thread_t *p_vout, picture_t *p_pic )
1144 {
1145     /* We know the chroma, allocate a buffer which will be used
1146      * directly by the decoder */
1147     p_pic->p_sys = malloc( sizeof( picture_sys_t ) );
1148
1149     if( p_pic->p_sys == NULL )
1150     {
1151         return -1;
1152     }
1153
1154 #ifdef HAVE_SYS_SHM_H
1155     if( p_vout->p_sys->b_shm )
1156     {
1157         /* Create image using XShm extension */
1158         p_pic->p_sys->p_image =
1159             CreateShmImage( p_vout, p_vout->p_sys->p_display,
1160 #   ifdef MODULE_NAME_IS_xvideo
1161                             p_vout->p_sys->i_xvport, p_vout->output.i_chroma,
1162 #   else
1163                             p_vout->p_sys->p_visual,
1164                             p_vout->p_sys->i_screen_depth,
1165 #   endif
1166                             &p_pic->p_sys->shminfo,
1167                             p_vout->output.i_width, p_vout->output.i_height );
1168     }
1169     else
1170 #endif /* HAVE_SYS_SHM_H */
1171     {
1172         /* Create image without XShm extension */
1173         p_pic->p_sys->p_image =
1174             CreateImage( p_vout, p_vout->p_sys->p_display,
1175 #ifdef MODULE_NAME_IS_xvideo
1176                          p_vout->p_sys->i_xvport, p_vout->output.i_chroma,
1177 #else
1178                          p_vout->p_sys->p_visual,
1179                          p_vout->p_sys->i_screen_depth,
1180                          p_vout->p_sys->i_bytes_per_pixel,
1181 #endif
1182                          p_vout->output.i_width, p_vout->output.i_height );
1183     }
1184
1185     if( p_pic->p_sys->p_image == NULL )
1186     {
1187         free( p_pic->p_sys );
1188         return -1;
1189     }
1190
1191     switch( p_vout->output.i_chroma )
1192     {
1193 #ifdef MODULE_NAME_IS_xvideo
1194         case VLC_FOURCC('I','4','2','0'):
1195
1196             p_pic->Y_PIXELS = p_pic->p_sys->p_image->data
1197                                + p_pic->p_sys->p_image->offsets[0];
1198             p_pic->p[Y_PLANE].i_lines = p_vout->output.i_height;
1199             p_pic->p[Y_PLANE].i_pitch = p_pic->p_sys->p_image->pitches[0];
1200             p_pic->p[Y_PLANE].i_pixel_pitch = 1;
1201             p_pic->p[Y_PLANE].i_visible_pitch = p_vout->output.i_width;
1202
1203             p_pic->U_PIXELS = p_pic->p_sys->p_image->data
1204                                + p_pic->p_sys->p_image->offsets[1];
1205             p_pic->p[U_PLANE].i_lines = p_vout->output.i_height / 2;
1206             p_pic->p[U_PLANE].i_pitch = p_pic->p_sys->p_image->pitches[1];
1207             p_pic->p[U_PLANE].i_pixel_pitch = 1;
1208             p_pic->p[U_PLANE].i_visible_pitch = p_vout->output.i_width / 2;
1209
1210             p_pic->V_PIXELS = p_pic->p_sys->p_image->data
1211                                + p_pic->p_sys->p_image->offsets[2];
1212             p_pic->p[V_PLANE].i_lines = p_vout->output.i_height / 2;
1213             p_pic->p[V_PLANE].i_pitch = p_pic->p_sys->p_image->pitches[2];
1214             p_pic->p[V_PLANE].i_pixel_pitch = 1;
1215             p_pic->p[V_PLANE].i_visible_pitch = p_vout->output.i_width / 2;
1216
1217             p_pic->i_planes = 3;
1218             break;
1219
1220         case VLC_FOURCC('Y','V','1','2'):
1221
1222             p_pic->Y_PIXELS = p_pic->p_sys->p_image->data
1223                                + p_pic->p_sys->p_image->offsets[0];
1224             p_pic->p[Y_PLANE].i_lines = p_vout->output.i_height;
1225             p_pic->p[Y_PLANE].i_pitch = p_pic->p_sys->p_image->pitches[0];
1226             p_pic->p[Y_PLANE].i_pixel_pitch = 1;
1227             p_pic->p[Y_PLANE].i_visible_pitch = p_pic->p[Y_PLANE].i_pitch;
1228             p_pic->p[Y_PLANE].i_visible_pitch = p_vout->output.i_width;
1229
1230             p_pic->U_PIXELS = p_pic->p_sys->p_image->data
1231                                + p_pic->p_sys->p_image->offsets[2];
1232             p_pic->p[U_PLANE].i_lines = p_vout->output.i_height / 2;
1233             p_pic->p[U_PLANE].i_pitch = p_pic->p_sys->p_image->pitches[2];
1234             p_pic->p[U_PLANE].i_pixel_pitch = 1;
1235             p_pic->p[U_PLANE].i_visible_pitch = p_vout->output.i_width / 2;
1236
1237             p_pic->V_PIXELS = p_pic->p_sys->p_image->data
1238                                + p_pic->p_sys->p_image->offsets[1];
1239             p_pic->p[V_PLANE].i_lines = p_vout->output.i_height / 2;
1240             p_pic->p[V_PLANE].i_pitch = p_pic->p_sys->p_image->pitches[1];
1241             p_pic->p[V_PLANE].i_pixel_pitch = 1;
1242             p_pic->p[V_PLANE].i_visible_pitch = p_vout->output.i_width / 2;
1243
1244             p_pic->i_planes = 3;
1245             break;
1246
1247         case VLC_FOURCC('Y','2','1','1'):
1248
1249             p_pic->p->p_pixels = p_pic->p_sys->p_image->data
1250                                   + p_pic->p_sys->p_image->offsets[0];
1251             p_pic->p->i_lines = p_vout->output.i_height;
1252             /* XXX: this just looks so plain wrong... check it out ! */
1253             p_pic->p->i_pitch = p_pic->p_sys->p_image->pitches[0] / 4;
1254             p_pic->p->i_pixel_pitch = 4;
1255             p_pic->p->i_visible_pitch = p_vout->output.i_width * 4;
1256
1257             p_pic->i_planes = 1;
1258             break;
1259
1260         case VLC_FOURCC('Y','U','Y','2'):
1261         case VLC_FOURCC('U','Y','V','Y'):
1262
1263             p_pic->p->p_pixels = p_pic->p_sys->p_image->data
1264                                   + p_pic->p_sys->p_image->offsets[0];
1265             p_pic->p->i_lines = p_vout->output.i_height;
1266             p_pic->p->i_pitch = p_pic->p_sys->p_image->pitches[0];
1267             p_pic->p->i_pixel_pitch = 4;
1268             p_pic->p->i_visible_pitch = p_vout->output.i_width * 4;
1269
1270             p_pic->i_planes = 1;
1271             break;
1272
1273         case VLC_FOURCC('R','V','1','5'):
1274
1275             p_pic->p->p_pixels = p_pic->p_sys->p_image->data
1276                                   + p_pic->p_sys->p_image->offsets[0];
1277             p_pic->p->i_lines = p_vout->output.i_height;
1278             p_pic->p->i_pitch = p_pic->p_sys->p_image->pitches[0];
1279             p_pic->p->i_pixel_pitch = 2;
1280             p_pic->p->i_visible_pitch = p_vout->output.i_width * 2;
1281
1282             p_pic->i_planes = 1;
1283             break;
1284
1285         case VLC_FOURCC('R','V','1','6'):
1286
1287             p_pic->p->p_pixels = p_pic->p_sys->p_image->data
1288                                   + p_pic->p_sys->p_image->offsets[0];
1289             p_pic->p->i_lines = p_vout->output.i_height;
1290             p_pic->p->i_pitch = p_pic->p_sys->p_image->pitches[0];
1291             p_pic->p->i_pixel_pitch = 2;
1292             p_pic->p->i_visible_pitch = p_vout->output.i_width * 2;
1293
1294             p_pic->i_planes = 1;
1295             break;
1296
1297 #else
1298         case VLC_FOURCC('R','G','B','2'):
1299
1300             p_pic->p->p_pixels = p_pic->p_sys->p_image->data
1301                                   + p_pic->p_sys->p_image->xoffset;
1302             p_pic->p->i_lines = p_pic->p_sys->p_image->height;
1303             p_pic->p->i_pitch = p_pic->p_sys->p_image->bytes_per_line;
1304             p_pic->p->i_pixel_pitch = p_pic->p_sys->p_image->depth;
1305             p_pic->p->i_visible_pitch = p_pic->p_sys->p_image->width;
1306
1307             p_pic->i_planes = 1;
1308
1309             break;
1310
1311         case VLC_FOURCC('R','V','1','6'):
1312         case VLC_FOURCC('R','V','1','5'):
1313
1314             p_pic->p->p_pixels = p_pic->p_sys->p_image->data
1315                                   + p_pic->p_sys->p_image->xoffset;
1316             p_pic->p->i_lines = p_pic->p_sys->p_image->height;
1317             p_pic->p->i_pitch = p_pic->p_sys->p_image->bytes_per_line;
1318             p_pic->p->i_pixel_pitch = p_pic->p_sys->p_image->depth;
1319             p_pic->p->i_visible_pitch = 2 * p_pic->p_sys->p_image->width;
1320
1321             p_pic->i_planes = 1;
1322
1323             break;
1324
1325         case VLC_FOURCC('R','V','3','2'):
1326         case VLC_FOURCC('R','V','2','4'):
1327
1328             p_pic->p->p_pixels = p_pic->p_sys->p_image->data
1329                                   + p_pic->p_sys->p_image->xoffset;
1330             p_pic->p->i_lines = p_pic->p_sys->p_image->height;
1331             p_pic->p->i_pitch = p_pic->p_sys->p_image->bytes_per_line;
1332             p_pic->p->i_pixel_pitch = p_pic->p_sys->p_image->depth;
1333             p_pic->p->i_visible_pitch = 4 * p_pic->p_sys->p_image->width;
1334
1335             p_pic->i_planes = 1;
1336
1337             break;
1338 #endif
1339
1340         default:
1341             /* Unknown chroma, tell the guy to get lost */
1342             IMAGE_FREE( p_pic->p_sys->p_image );
1343             free( p_pic->p_sys );
1344             msg_Err( p_vout, "never heard of chroma 0x%.8x (%4.4s)",
1345                      p_vout->output.i_chroma, (char*)&p_vout->output.i_chroma );
1346             p_pic->i_planes = 0;
1347             return -1;
1348     }
1349
1350     return 0;
1351 }
1352
1353 /*****************************************************************************
1354  * FreePicture: destroy a picture allocated with NewPicture
1355  *****************************************************************************
1356  * Destroy XImage AND associated data. If using Shm, detach shared memory
1357  * segment from server and process, then free it. The XDestroyImage manpage
1358  * says that both the image structure _and_ the data pointed to by the
1359  * image structure are freed, so no need to free p_image->data.
1360  *****************************************************************************/
1361 static void FreePicture( vout_thread_t *p_vout, picture_t *p_pic )
1362 {
1363     /* The order of operations is correct */
1364 #ifdef HAVE_SYS_SHM_H
1365     if( p_vout->p_sys->b_shm )
1366     {
1367         XShmDetach( p_vout->p_sys->p_display, &p_pic->p_sys->shminfo );
1368         IMAGE_FREE( p_pic->p_sys->p_image );
1369
1370         shmctl( p_pic->p_sys->shminfo.shmid, IPC_RMID, 0 );
1371         if( shmdt( p_pic->p_sys->shminfo.shmaddr ) )
1372         {
1373             msg_Err( p_vout, "cannot detach shared memory (%s)",
1374                              strerror(errno) );
1375         }
1376     }
1377     else
1378 #endif
1379     {
1380         IMAGE_FREE( p_pic->p_sys->p_image );
1381     }
1382
1383     /* Do NOT use XFlush here ! */
1384     XSync( p_vout->p_sys->p_display, False );
1385
1386     free( p_pic->p_sys );
1387 }
1388
1389 /*****************************************************************************
1390  * ToggleFullScreen: Enable or disable full screen mode
1391  *****************************************************************************
1392  * This function will switch between fullscreen and window mode.
1393  *****************************************************************************/
1394 static void ToggleFullScreen ( vout_thread_t *p_vout )
1395 {
1396     Atom prop;
1397     XEvent xevent;
1398     mwmhints_t mwmhints;
1399     XSetWindowAttributes attributes;
1400
1401 #ifdef HAVE_XINERAMA
1402     int i_d1, i_d2;
1403 #endif
1404
1405     p_vout->b_fullscreen = !p_vout->b_fullscreen;
1406
1407     if( p_vout->b_fullscreen )
1408     {
1409         msg_Dbg( p_vout, "entering fullscreen mode" );
1410
1411         p_vout->p_sys->b_altfullscreen =
1412             config_GetInt( p_vout, MODULE_STRING "-altfullscreen" );
1413
1414         if( p_vout->p_sys->p_win->b_owned )
1415         {
1416             XUnmapWindow( p_vout->p_sys->p_display,
1417                           p_vout->p_sys->p_win->base_window);
1418         }
1419
1420         p_vout->p_sys->p_win = &p_vout->p_sys->fullscreen_window;
1421
1422         /* fullscreen window size and position */
1423         p_vout->p_sys->p_win->i_width =
1424             DisplayWidth( p_vout->p_sys->p_display, p_vout->p_sys->i_screen );
1425         p_vout->p_sys->p_win->i_height =
1426             DisplayHeight( p_vout->p_sys->p_display, p_vout->p_sys->i_screen );
1427
1428         CreateWindow( p_vout, p_vout->p_sys->p_win );
1429
1430         /* To my knowledge there are two ways to create a borderless window.
1431          * There's the generic way which is to tell x to bypass the window
1432          * manager, but this creates problems with the focus of other
1433          * applications.
1434          * The other way is to use the motif property "_MOTIF_WM_HINTS" which
1435          * luckily seems to be supported by most window managers. */
1436         if( !p_vout->p_sys->b_altfullscreen )
1437         {
1438             mwmhints.flags = MWM_HINTS_DECORATIONS;
1439             mwmhints.decorations = False;
1440
1441             prop = XInternAtom( p_vout->p_sys->p_display, "_MOTIF_WM_HINTS",
1442                                 False );
1443             XChangeProperty( p_vout->p_sys->p_display,
1444                              p_vout->p_sys->p_win->base_window,
1445                              prop, prop, 32, PropModeReplace,
1446                              (unsigned char *)&mwmhints,
1447                              PROP_MWM_HINTS_ELEMENTS );
1448         }
1449         else
1450         {
1451             /* brute force way to remove decorations */
1452             attributes.override_redirect = True;
1453             XChangeWindowAttributes( p_vout->p_sys->p_display,
1454                                      p_vout->p_sys->p_win->base_window,
1455                                      CWOverrideRedirect,
1456                                      &attributes);
1457         }
1458
1459         /* Make sure the change is effective */
1460         XReparentWindow( p_vout->p_sys->p_display,
1461                          p_vout->p_sys->p_win->base_window,
1462                          DefaultRootWindow( p_vout->p_sys->p_display ),
1463                          0, 0 );
1464
1465         /* fullscreen window size and position */
1466         p_vout->p_sys->p_win->i_width =
1467             DisplayWidth( p_vout->p_sys->p_display, p_vout->p_sys->i_screen );
1468         p_vout->p_sys->p_win->i_height =
1469             DisplayHeight( p_vout->p_sys->p_display, p_vout->p_sys->i_screen );
1470
1471         p_vout->p_sys->p_win->i_x = 0;
1472         p_vout->p_sys->p_win->i_y = 0;
1473
1474 #ifdef HAVE_XINERAMA
1475         if( XineramaQueryExtension( p_vout->p_sys->p_display, &i_d1, &i_d2 ) &&
1476             XineramaIsActive( p_vout->p_sys->p_display ) )
1477         {
1478             XineramaScreenInfo *screens;   /* infos for xinerama */
1479             int i_num_screens;
1480
1481             msg_Dbg( p_vout, "Using XFree Xinerama extension");
1482
1483 #define SCREEN p_vout->p_sys->p_win->i_screen
1484
1485             /* Get Informations about Xinerama (num of screens) */
1486             screens = XineramaQueryScreens( p_vout->p_sys->p_display,
1487                                             &i_num_screens );
1488
1489             if( !SCREEN )
1490                 SCREEN = config_GetInt( p_vout,
1491                                         MODULE_STRING "-xineramascreen" );
1492
1493             /* just check that user has entered a good value */
1494             if( SCREEN >= i_num_screens || SCREEN < 0 )
1495             {
1496                 msg_Dbg( p_vout, "requested screen number invalid" );
1497                 SCREEN = 0;
1498             }
1499
1500             /* Get the X/Y upper left corner coordinate of the above screen */
1501             p_vout->p_sys->p_win->i_x = screens[SCREEN].x_org;
1502             p_vout->p_sys->p_win->i_y = screens[SCREEN].y_org;
1503
1504             /* Set the Height/width to the screen resolution */
1505             p_vout->p_sys->p_win->i_width = screens[SCREEN].width;
1506             p_vout->p_sys->p_win->i_height = screens[SCREEN].height;
1507
1508             XFree(screens);
1509
1510 #undef SCREEN
1511
1512         }
1513 #endif
1514
1515         XMoveResizeWindow( p_vout->p_sys->p_display,
1516                            p_vout->p_sys->p_win->base_window,
1517                            p_vout->p_sys->p_win->i_x,
1518                            p_vout->p_sys->p_win->i_y,
1519                            p_vout->p_sys->p_win->i_width,
1520                            p_vout->p_sys->p_win->i_height );
1521     }
1522     else
1523     {
1524         msg_Dbg( p_vout, "leaving fullscreen mode" );
1525         DestroyWindow( p_vout, &p_vout->p_sys->fullscreen_window );
1526         p_vout->p_sys->p_win = &p_vout->p_sys->original_window;
1527
1528         if( p_vout->p_sys->p_win->b_owned )
1529         {
1530             XMapWindow( p_vout->p_sys->p_display,
1531                         p_vout->p_sys->p_win->base_window);
1532         }
1533     }
1534
1535     /* Unfortunately, using XSync() here is not enough to ensure the
1536      * window has already been mapped because the XMapWindow() request
1537      * has not necessarily been sent directly to our window (remember,
1538      * the call is first redirected to the window manager) */
1539     if( p_vout->p_sys->p_win->b_owned )
1540     {
1541         do
1542         {
1543             XWindowEvent( p_vout->p_sys->p_display,
1544                           p_vout->p_sys->p_win->base_window,
1545                           StructureNotifyMask, &xevent );
1546         } while( xevent.type != MapNotify );
1547     }
1548     else
1549     {
1550         XSync( p_vout->p_sys->p_display, False );
1551     }
1552
1553     /* Becareful, this can generate a BadMatch error if the window is not
1554      * already mapped by the server (see above) */
1555     XSetInputFocus(p_vout->p_sys->p_display,
1556                    p_vout->p_sys->p_win->base_window,
1557                    RevertToParent,
1558                    CurrentTime);
1559
1560     /* signal that the size needs to be updated */
1561     p_vout->i_changes |= VOUT_SIZE_CHANGE;
1562 }
1563
1564 /*****************************************************************************
1565  * EnableXScreenSaver: enable screen saver
1566  *****************************************************************************
1567  * This function enables the screen saver on a display after it has been
1568  * disabled by XDisableScreenSaver.
1569  * FIXME: what happens if multiple vlc sessions are running at the same
1570  *        time ???
1571  *****************************************************************************/
1572 static void EnableXScreenSaver( vout_thread_t *p_vout )
1573 {
1574 #ifdef DPMSINFO_IN_DPMS_H
1575     int dummy;
1576 #endif
1577
1578     if( p_vout->p_sys->i_ss_timeout )
1579     {
1580         XSetScreenSaver( p_vout->p_sys->p_display, p_vout->p_sys->i_ss_timeout,
1581                          p_vout->p_sys->i_ss_interval,
1582                          p_vout->p_sys->i_ss_blanking,
1583                          p_vout->p_sys->i_ss_exposure );
1584     }
1585
1586     /* Restore DPMS settings */
1587 #ifdef DPMSINFO_IN_DPMS_H
1588     if( DPMSQueryExtension( p_vout->p_sys->p_display, &dummy, &dummy ) )
1589     {
1590         if( p_vout->p_sys->b_ss_dpms )
1591         {
1592             DPMSEnable( p_vout->p_sys->p_display );
1593         }
1594     }
1595 #endif
1596 }
1597
1598 /*****************************************************************************
1599  * DisableXScreenSaver: disable screen saver
1600  *****************************************************************************
1601  * See XEnableXScreenSaver
1602  *****************************************************************************/
1603 static void DisableXScreenSaver( vout_thread_t *p_vout )
1604 {
1605 #ifdef DPMSINFO_IN_DPMS_H
1606     int dummy;
1607 #endif
1608
1609     /* Save screen saver informations */
1610     XGetScreenSaver( p_vout->p_sys->p_display, &p_vout->p_sys->i_ss_timeout,
1611                      &p_vout->p_sys->i_ss_interval,
1612                      &p_vout->p_sys->i_ss_blanking,
1613                      &p_vout->p_sys->i_ss_exposure );
1614
1615     /* Disable screen saver */
1616     if( p_vout->p_sys->i_ss_timeout )
1617     {
1618         XSetScreenSaver( p_vout->p_sys->p_display, 0,
1619                          p_vout->p_sys->i_ss_interval,
1620                          p_vout->p_sys->i_ss_blanking,
1621                          p_vout->p_sys->i_ss_exposure );
1622     }
1623
1624     /* Disable DPMS */
1625 #ifdef DPMSINFO_IN_DPMS_H
1626     if( DPMSQueryExtension( p_vout->p_sys->p_display, &dummy, &dummy ) )
1627     {
1628         CARD16 unused;
1629         /* Save DPMS current state */
1630         DPMSInfo( p_vout->p_sys->p_display, &unused,
1631                   &p_vout->p_sys->b_ss_dpms );
1632         DPMSDisable( p_vout->p_sys->p_display );
1633    }
1634 #endif
1635 }
1636
1637 /*****************************************************************************
1638  * CreateCursor: create a blank mouse pointer
1639  *****************************************************************************/
1640 static void CreateCursor( vout_thread_t *p_vout )
1641 {
1642     XColor cursor_color;
1643
1644     p_vout->p_sys->cursor_pixmap =
1645         XCreatePixmap( p_vout->p_sys->p_display,
1646                        DefaultRootWindow( p_vout->p_sys->p_display ),
1647                        1, 1, 1 );
1648
1649     XParseColor( p_vout->p_sys->p_display,
1650                  XCreateColormap( p_vout->p_sys->p_display,
1651                                   DefaultRootWindow(
1652                                                     p_vout->p_sys->p_display ),
1653                                   DefaultVisual(
1654                                                 p_vout->p_sys->p_display,
1655                                                 p_vout->p_sys->i_screen ),
1656                                   AllocNone ),
1657                  "black", &cursor_color );
1658
1659     p_vout->p_sys->blank_cursor =
1660         XCreatePixmapCursor( p_vout->p_sys->p_display,
1661                              p_vout->p_sys->cursor_pixmap,
1662                              p_vout->p_sys->cursor_pixmap,
1663                              &cursor_color, &cursor_color, 1, 1 );
1664 }
1665
1666 /*****************************************************************************
1667  * DestroyCursor: destroy the blank mouse pointer
1668  *****************************************************************************/
1669 static void DestroyCursor( vout_thread_t *p_vout )
1670 {
1671     XFreePixmap( p_vout->p_sys->p_display, p_vout->p_sys->cursor_pixmap );
1672 }
1673
1674 /*****************************************************************************
1675  * ToggleCursor: hide or show the mouse pointer
1676  *****************************************************************************
1677  * This function hides the X pointer if it is visible by setting the pointer
1678  * sprite to a blank one. To show it again, we disable the sprite.
1679  *****************************************************************************/
1680 static void ToggleCursor( vout_thread_t *p_vout )
1681 {
1682     if( p_vout->p_sys->b_mouse_pointer_visible )
1683     {
1684         XDefineCursor( p_vout->p_sys->p_display,
1685                        p_vout->p_sys->p_win->base_window,
1686                        p_vout->p_sys->blank_cursor );
1687         p_vout->p_sys->b_mouse_pointer_visible = 0;
1688     }
1689     else
1690     {
1691         XUndefineCursor( p_vout->p_sys->p_display,
1692                          p_vout->p_sys->p_win->base_window );
1693         p_vout->p_sys->b_mouse_pointer_visible = 1;
1694     }
1695 }
1696
1697 #ifdef MODULE_NAME_IS_xvideo
1698 /*****************************************************************************
1699  * XVideoGetPort: get YUV12 port
1700  *****************************************************************************/
1701 static int XVideoGetPort( vout_thread_t *p_vout,
1702                           vlc_fourcc_t i_chroma, vlc_fourcc_t *pi_newchroma )
1703 {
1704     XvAdaptorInfo *p_adaptor;
1705     unsigned int i;
1706     int i_adaptor, i_num_adaptors, i_requested_adaptor;
1707     int i_selected_port;
1708
1709     switch( XvQueryExtension( p_vout->p_sys->p_display, &i, &i, &i, &i, &i ) )
1710     {
1711         case Success:
1712             break;
1713
1714         case XvBadExtension:
1715             msg_Warn( p_vout, "XvBadExtension" );
1716             return -1;
1717
1718         case XvBadAlloc:
1719             msg_Warn( p_vout, "XvBadAlloc" );
1720             return -1;
1721
1722         default:
1723             msg_Warn( p_vout, "XvQueryExtension failed" );
1724             return -1;
1725     }
1726
1727     switch( XvQueryAdaptors( p_vout->p_sys->p_display,
1728                              DefaultRootWindow( p_vout->p_sys->p_display ),
1729                              &i_num_adaptors, &p_adaptor ) )
1730     {
1731         case Success:
1732             break;
1733
1734         case XvBadExtension:
1735             msg_Warn( p_vout, "XvBadExtension for XvQueryAdaptors" );
1736             return -1;
1737
1738         case XvBadAlloc:
1739             msg_Warn( p_vout, "XvBadAlloc for XvQueryAdaptors" );
1740             return -1;
1741
1742         default:
1743             msg_Warn( p_vout, "XvQueryAdaptors failed" );
1744             return -1;
1745     }
1746
1747     i_selected_port = -1;
1748     i_requested_adaptor = config_GetInt( p_vout, "xvideo-adaptor" );
1749
1750     for( i_adaptor = 0; i_adaptor < i_num_adaptors; ++i_adaptor )
1751     {
1752         XvImageFormatValues *p_formats;
1753         int i_format, i_num_formats;
1754         int i_port;
1755
1756         /* If we requested an adaptor and it's not this one, we aren't
1757          * interested */
1758         if( i_requested_adaptor != -1 && i_adaptor != i_requested_adaptor )
1759         {
1760             continue;
1761         }
1762
1763         /* If the adaptor doesn't have the required properties, skip it */
1764         if( !( p_adaptor[ i_adaptor ].type & XvInputMask ) ||
1765             !( p_adaptor[ i_adaptor ].type & XvImageMask ) )
1766         {
1767             continue;
1768         }
1769
1770         /* Check that adaptor supports our requested format... */
1771         p_formats = XvListImageFormats( p_vout->p_sys->p_display,
1772                                         p_adaptor[i_adaptor].base_id,
1773                                         &i_num_formats );
1774
1775         for( i_format = 0;
1776              i_format < i_num_formats && ( i_selected_port == -1 );
1777              i_format++ )
1778         {
1779             /* Code removed, we can get this through xvinfo anyway */
1780 #if 0
1781             XvEncodingInfo  *p_enc;
1782             int             i_enc, i_num_encodings;
1783             XvAttribute     *p_attr;
1784             int             i_attr, i_num_attributes;
1785 #endif
1786
1787             /* If this is not the format we want, or at least a
1788              * similar one, forget it */
1789             if( !vout_ChromaCmp( p_formats[ i_format ].id, i_chroma ) )
1790             {
1791                 continue;
1792             }
1793
1794             /* Look for the first available port supporting this format */
1795             for( i_port = p_adaptor[i_adaptor].base_id;
1796                  ( i_port < (int)(p_adaptor[i_adaptor].base_id
1797                                    + p_adaptor[i_adaptor].num_ports) )
1798                    && ( i_selected_port == -1 );
1799                  i_port++ )
1800             {
1801                 if( XvGrabPort( p_vout->p_sys->p_display, i_port, CurrentTime )
1802                      == Success )
1803                 {
1804                     i_selected_port = i_port;
1805                     *pi_newchroma = p_formats[ i_format ].id;
1806                 }
1807             }
1808
1809             /* If no free port was found, forget it */
1810             if( i_selected_port == -1 )
1811             {
1812                 continue;
1813             }
1814
1815             /* If we found a port, print information about it */
1816             msg_Dbg( p_vout, "adaptor %i, port %i, format 0x%x (%4.4s) %s",
1817                      i_adaptor, i_selected_port, p_formats[ i_format ].id,
1818                      (char *)&p_formats[ i_format ].id,
1819                      ( p_formats[ i_format ].format == XvPacked ) ?
1820                          "packed" : "planar" );
1821
1822 #if 0
1823             msg_Dbg( p_vout, " encoding list:" );
1824
1825             if( XvQueryEncodings( p_vout->p_sys->p_display, i_selected_port,
1826                                   &i_num_encodings, &p_enc )
1827                  != Success )
1828             {
1829                 msg_Dbg( p_vout, "  XvQueryEncodings failed" );
1830                 continue;
1831             }
1832
1833             for( i_enc = 0; i_enc < i_num_encodings; i_enc++ )
1834             {
1835                 msg_Dbg( p_vout, "  id=%ld, name=%s, size=%ldx%ld,"
1836                                       " numerator=%d, denominator=%d",
1837                              p_enc[i_enc].encoding_id, p_enc[i_enc].name,
1838                              p_enc[i_enc].width, p_enc[i_enc].height,
1839                              p_enc[i_enc].rate.numerator,
1840                              p_enc[i_enc].rate.denominator );
1841             }
1842
1843             if( p_enc != NULL )
1844             {
1845                 XvFreeEncodingInfo( p_enc );
1846             }
1847
1848             msg_Dbg( p_vout, " attribute list:" );
1849             p_attr = XvQueryPortAttributes( p_vout->p_sys->p_display,
1850                                             i_selected_port,
1851                                             &i_num_attributes );
1852             for( i_attr = 0; i_attr < i_num_attributes; i_attr++ )
1853             {
1854                 msg_Dbg( p_vout, "  name=%s, flags=[%s%s ], min=%i, max=%i",
1855                       p_attr[i_attr].name,
1856                       (p_attr[i_attr].flags & XvGettable) ? " get" : "",
1857                       (p_attr[i_attr].flags & XvSettable) ? " set" : "",
1858                       p_attr[i_attr].min_value, p_attr[i_attr].max_value );
1859             }
1860
1861             if( p_attr != NULL )
1862             {
1863                 XFree( p_attr );
1864             }
1865 #endif
1866         }
1867
1868         if( p_formats != NULL )
1869         {
1870             XFree( p_formats );
1871         }
1872
1873     }
1874
1875     if( i_num_adaptors > 0 )
1876     {
1877         XvFreeAdaptorInfo( p_adaptor );
1878     }
1879
1880     if( i_selected_port == -1 )
1881     {
1882         int i_chroma_tmp = X112VLC_FOURCC( i_chroma );
1883         if( i_requested_adaptor == -1 )
1884         {
1885             msg_Warn( p_vout, "no free XVideo port found for format "
1886                       "0x%.8x (%4.4s)", i_chroma_tmp, (char*)&i_chroma_tmp );
1887         }
1888         else
1889         {
1890             msg_Warn( p_vout, "XVideo adaptor %i does not have a free "
1891                       "XVideo port for format 0x%.8x (%4.4s)",
1892                       i_requested_adaptor, i_chroma_tmp, (char*)&i_chroma_tmp );
1893         }
1894     }
1895
1896     return i_selected_port;
1897 }
1898
1899 /*****************************************************************************
1900  * XVideoReleasePort: release YUV12 port
1901  *****************************************************************************/
1902 static void XVideoReleasePort( vout_thread_t *p_vout, int i_port )
1903 {
1904     XvUngrabPort( p_vout->p_sys->p_display, i_port, CurrentTime );
1905 }
1906 #endif
1907
1908 /*****************************************************************************
1909  * InitDisplay: open and initialize X11 device
1910  *****************************************************************************
1911  * Create a window according to video output given size, and set other
1912  * properties according to the display properties.
1913  *****************************************************************************/
1914 static int InitDisplay( vout_thread_t *p_vout )
1915 {
1916 #ifdef MODULE_NAME_IS_x11
1917     XPixmapFormatValues *       p_formats;                 /* pixmap formats */
1918     XVisualInfo *               p_xvisual;           /* visuals informations */
1919     XVisualInfo                 xvisual_template;         /* visual template */
1920     int                         i_count;                       /* array size */
1921 #endif
1922
1923 #ifdef HAVE_SYS_SHM_H
1924     p_vout->p_sys->b_shm = 0;
1925
1926     if( config_GetInt( p_vout, MODULE_STRING "-shm" ) )
1927     {
1928 #   ifdef SYS_DARWIN
1929         /* FIXME: As of 2001-03-16, XFree4 for MacOS X does not support Xshm */
1930 #   else
1931         p_vout->p_sys->b_shm =
1932                   ( XShmQueryExtension( p_vout->p_sys->p_display ) == True );
1933 #   endif
1934
1935         if( !p_vout->p_sys->b_shm )
1936         {
1937             msg_Warn( p_vout, "XShm video extension is unavailable" );
1938         }
1939     }
1940     else
1941     {
1942         msg_Dbg( p_vout, "disabling XShm video extension" );
1943     }
1944
1945 #else
1946     msg_Warn( p_vout, "XShm video extension is unavailable" );
1947
1948 #endif
1949
1950 #ifdef MODULE_NAME_IS_xvideo
1951     /* XXX The brightness and contrast values should be read from environment
1952      * XXX variables... */
1953 #if 0
1954     XVideoSetAttribute( p_vout, "XV_BRIGHTNESS", 0.5 );
1955     XVideoSetAttribute( p_vout, "XV_CONTRAST",   0.5 );
1956 #endif
1957 #endif
1958
1959 #ifdef MODULE_NAME_IS_x11
1960     /* Initialize structure */
1961     p_vout->p_sys->i_screen = DefaultScreen( p_vout->p_sys->p_display );
1962
1963     /* Get screen depth */
1964     p_vout->p_sys->i_screen_depth = XDefaultDepth( p_vout->p_sys->p_display,
1965                                                    p_vout->p_sys->i_screen );
1966     switch( p_vout->p_sys->i_screen_depth )
1967     {
1968     case 8:
1969         /*
1970          * Screen depth is 8bpp. Use PseudoColor visual with private colormap.
1971          */
1972         xvisual_template.screen =   p_vout->p_sys->i_screen;
1973         xvisual_template.class =    DirectColor;
1974         p_xvisual = XGetVisualInfo( p_vout->p_sys->p_display,
1975                                     VisualScreenMask | VisualClassMask,
1976                                     &xvisual_template, &i_count );
1977         if( p_xvisual == NULL )
1978         {
1979             msg_Err( p_vout, "no PseudoColor visual available" );
1980             return VLC_EGENERIC;
1981         }
1982         p_vout->p_sys->i_bytes_per_pixel = 1;
1983         p_vout->output.pf_setpalette = SetPalette;
1984         break;
1985     case 15:
1986     case 16:
1987     case 24:
1988     default:
1989         /*
1990          * Screen depth is higher than 8bpp. TrueColor visual is used.
1991          */
1992         xvisual_template.screen =   p_vout->p_sys->i_screen;
1993         xvisual_template.class =    TrueColor;
1994         p_xvisual = XGetVisualInfo( p_vout->p_sys->p_display,
1995                                     VisualScreenMask | VisualClassMask,
1996                                     &xvisual_template, &i_count );
1997         if( p_xvisual == NULL )
1998         {
1999             msg_Err( p_vout, "no TrueColor visual available" );
2000             return VLC_EGENERIC;
2001         }
2002
2003         p_vout->output.i_rmask = p_xvisual->red_mask;
2004         p_vout->output.i_gmask = p_xvisual->green_mask;
2005         p_vout->output.i_bmask = p_xvisual->blue_mask;
2006
2007         /* There is no difference yet between 3 and 4 Bpp. The only way
2008          * to find the actual number of bytes per pixel is to list supported
2009          * pixmap formats. */
2010         p_formats = XListPixmapFormats( p_vout->p_sys->p_display, &i_count );
2011         p_vout->p_sys->i_bytes_per_pixel = 0;
2012
2013         for( ; i_count-- ; p_formats++ )
2014         {
2015             /* Under XFree4.0, the list contains pixmap formats available
2016              * through all video depths ; so we have to check against current
2017              * depth. */
2018             if( p_formats->depth == (int)p_vout->p_sys->i_screen_depth )
2019             {
2020                 if( p_formats->bits_per_pixel / 8
2021                         > (int)p_vout->p_sys->i_bytes_per_pixel )
2022                 {
2023                     p_vout->p_sys->i_bytes_per_pixel =
2024                                                p_formats->bits_per_pixel / 8;
2025                 }
2026             }
2027         }
2028         break;
2029     }
2030     p_vout->p_sys->p_visual = p_xvisual->visual;
2031     XFree( p_xvisual );
2032 #endif
2033
2034     return VLC_SUCCESS;
2035 }
2036
2037 #ifdef HAVE_SYS_SHM_H
2038 /*****************************************************************************
2039  * CreateShmImage: create an XImage or XvImage using shared memory extension
2040  *****************************************************************************
2041  * Prepare an XImage or XvImage for display function.
2042  * The order of the operations respects the recommandations of the mit-shm
2043  * document by J.Corbet and K.Packard. Most of the parameters were copied from
2044  * there. See http://ftp.xfree86.org/pub/XFree86/4.0/doc/mit-shm.TXT
2045  *****************************************************************************/
2046 static IMAGE_TYPE * CreateShmImage( vout_thread_t *p_vout,
2047                                     Display* p_display, EXTRA_ARGS_SHM,
2048                                     int i_width, int i_height )
2049 {
2050     IMAGE_TYPE *p_image;
2051
2052     /* Create XImage / XvImage */
2053 #ifdef MODULE_NAME_IS_xvideo
2054     p_image = XvShmCreateImage( p_display, i_xvport, i_chroma, 0,
2055                                 i_width, i_height, p_shm );
2056 #else
2057     p_image = XShmCreateImage( p_display, p_visual, i_depth, ZPixmap, 0,
2058                                p_shm, i_width, i_height );
2059 #endif
2060     if( p_image == NULL )
2061     {
2062         msg_Err( p_vout, "image creation failed" );
2063         return NULL;
2064     }
2065
2066     /* Allocate shared memory segment - 0776 set the access permission
2067      * rights (like umask), they are not yet supported by all X servers */
2068     p_shm->shmid = shmget( IPC_PRIVATE, DATA_SIZE(p_image), IPC_CREAT | 0776 );
2069     if( p_shm->shmid < 0 )
2070     {
2071         msg_Err( p_vout, "cannot allocate shared image data (%s)",
2072                          strerror( errno ) );
2073         IMAGE_FREE( p_image );
2074         return NULL;
2075     }
2076
2077     /* Attach shared memory segment to process (read/write) */
2078     p_shm->shmaddr = p_image->data = shmat( p_shm->shmid, 0, 0 );
2079     if(! p_shm->shmaddr )
2080     {
2081         msg_Err( p_vout, "cannot attach shared memory (%s)",
2082                          strerror(errno));
2083         IMAGE_FREE( p_image );
2084         shmctl( p_shm->shmid, IPC_RMID, 0 );
2085         return NULL;
2086     }
2087
2088     /* Read-only data. We won't be using XShmGetImage */
2089     p_shm->readOnly = True;
2090
2091     /* Attach shared memory segment to X server */
2092     if( XShmAttach( p_display, p_shm ) == False )
2093     {
2094         msg_Err( p_vout, "cannot attach shared memory to X server" );
2095         IMAGE_FREE( p_image );
2096         shmctl( p_shm->shmid, IPC_RMID, 0 );
2097         shmdt( p_shm->shmaddr );
2098         return NULL;
2099     }
2100
2101     /* Send image to X server. This instruction is required, since having
2102      * built a Shm XImage and not using it causes an error on XCloseDisplay,
2103      * and remember NOT to use XFlush ! */
2104     XSync( p_display, False );
2105
2106 #if 0
2107     /* Mark the shm segment to be removed when there are no more
2108      * attachements, so it is automatic on process exit or after shmdt */
2109     shmctl( p_shm->shmid, IPC_RMID, 0 );
2110 #endif
2111
2112     return p_image;
2113 }
2114 #endif
2115
2116 /*****************************************************************************
2117  * CreateImage: create an XImage or XvImage
2118  *****************************************************************************
2119  * Create a simple image used as a buffer.
2120  *****************************************************************************/
2121 static IMAGE_TYPE * CreateImage( vout_thread_t *p_vout,
2122                                  Display *p_display, EXTRA_ARGS,
2123                                  int i_width, int i_height )
2124 {
2125     byte_t *    p_data;                           /* image data storage zone */
2126     IMAGE_TYPE *p_image;
2127 #ifdef MODULE_NAME_IS_x11
2128     int         i_quantum;                     /* XImage quantum (see below) */
2129     int         i_bytes_per_line;
2130 #endif
2131
2132     /* Allocate memory for image */
2133 #ifdef MODULE_NAME_IS_xvideo
2134     p_data = (byte_t *) malloc( i_width * i_height * 2 ); /* XXX */
2135 #else
2136     i_bytes_per_line = i_width * i_bytes_per_pixel;
2137     p_data = (byte_t *) malloc( i_bytes_per_line * i_height );
2138 #endif
2139     if( !p_data )
2140     {
2141         msg_Err( p_vout, "out of memory" );
2142         return NULL;
2143     }
2144
2145 #ifdef MODULE_NAME_IS_x11
2146     /* Optimize the quantum of a scanline regarding its size - the quantum is
2147        a diviser of the number of bits between the start of two scanlines. */
2148     if( i_bytes_per_line & 0xf )
2149     {
2150         i_quantum = 0x8;
2151     }
2152     else if( i_bytes_per_line & 0x10 )
2153     {
2154         i_quantum = 0x10;
2155     }
2156     else
2157     {
2158         i_quantum = 0x20;
2159     }
2160 #endif
2161
2162     /* Create XImage. p_data will be automatically freed */
2163 #ifdef MODULE_NAME_IS_xvideo
2164     p_image = XvCreateImage( p_display, i_xvport, i_chroma,
2165                              p_data, i_width, i_height );
2166 #else
2167     p_image = XCreateImage( p_display, p_visual, i_depth, ZPixmap, 0,
2168                             p_data, i_width, i_height, i_quantum, 0 );
2169 #endif
2170     if( p_image == NULL )
2171     {
2172         msg_Err( p_vout, "XCreateImage() failed" );
2173         free( p_data );
2174         return NULL;
2175     }
2176
2177     return p_image;
2178 }
2179
2180 #ifdef MODULE_NAME_IS_x11
2181 /*****************************************************************************
2182  * SetPalette: sets an 8 bpp palette
2183  *****************************************************************************
2184  * This function sets the palette given as an argument. It does not return
2185  * anything, but could later send information on which colors it was unable
2186  * to set.
2187  *****************************************************************************/
2188 static void SetPalette( vout_thread_t *p_vout,
2189                         uint16_t *red, uint16_t *green, uint16_t *blue )
2190 {
2191     int i;
2192     XColor p_colors[255];
2193
2194     /* allocate palette */
2195     for( i = 0; i < 255; i++ )
2196     {
2197         /* kludge: colors are indexed reversely because color 255 seems
2198          * to be reserved for black even if we try to set it to white */
2199         p_colors[ i ].pixel = 255 - i;
2200         p_colors[ i ].pad   = 0;
2201         p_colors[ i ].flags = DoRed | DoGreen | DoBlue;
2202         p_colors[ i ].red   = red[ 255 - i ];
2203         p_colors[ i ].blue  = blue[ 255 - i ];
2204         p_colors[ i ].green = green[ 255 - i ];
2205     }
2206
2207     XStoreColors( p_vout->p_sys->p_display,
2208                   p_vout->p_sys->colormap, p_colors, 255 );
2209 }
2210 #endif