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 1.33 2003/10/24 21:27:06 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 static void TestNetWMSupport( vout_thread_t * );
 121
 122 /*****************************************************************************
 123  * Activate: allocate X11 video thread output method
 124  *****************************************************************************
 125  * This function allocate and initialize a X11 vout method. It uses some of the
 126  * vout properties to choose the window size, and change them according to the
 127  * actual properties of the display.
 128  *****************************************************************************/
 129 int E_(Activate) ( vlc_object_t *p_this )
 130 {
 131     vout_thread_t *p_vout = (vout_thread_t *)p_this;
 132     char *       psz_display;
 133 #ifdef MODULE_NAME_IS_xvideo
 134     char *       psz_chroma;
 135     vlc_fourcc_t i_chroma = 0;
 136     vlc_bool_t   b_chroma = 0;
 137 #endif
 138
 139     p_vout->pf_init = InitVideo;
 140     p_vout->pf_end = EndVideo;
 141     p_vout->pf_manage = ManageVideo;
 142     p_vout->pf_render = NULL;
 143     p_vout->pf_display = DisplayVideo;
 144
 145     /* Allocate structure */
 146     p_vout->p_sys = malloc( sizeof( vout_sys_t ) );
 147     if( p_vout->p_sys == NULL )
 148     {
 149         msg_Err( p_vout, "out of memory" );
 150         return VLC_ENOMEM;
 151     }
 152
 153     /* Open display, using the "display" config variable or the DISPLAY
 154      * environment variable */
 155     psz_display = config_GetPsz( p_vout, MODULE_STRING "-display" );
 156
 157     p_vout->p_sys->p_display = XOpenDisplay( psz_display );
 158
 159     if( p_vout->p_sys->p_display == NULL )                          /* error */
 160     {
 161         msg_Err( p_vout, "cannot open display %s",
 162                          XDisplayName( psz_display ) );
 163         free( p_vout->p_sys );
 164         if( psz_display ) free( psz_display );
 165         return VLC_EGENERIC;
 166     }
 167     if( psz_display ) free( psz_display );
 168
 169     /* Get a screen ID matching the XOpenDisplay return value */
 170     p_vout->p_sys->i_screen = DefaultScreen( p_vout->p_sys->p_display );
 171
 172 #ifdef MODULE_NAME_IS_xvideo
 173     psz_chroma = config_GetPsz( p_vout, "xvideo-chroma" );
 174     if( psz_chroma )
 175     {
 176         if( strlen( psz_chroma ) >= 4 )
 177         {
 178             /* Do not use direct assignment because we are not sure of the
 179              * alignment. */
 180             memcpy(&i_chroma, psz_chroma, 4);
 181             b_chroma = 1;
 182         }
 183
 184         free( psz_chroma );
 185     }
 186
 187     if( b_chroma )
 188     {
 189         msg_Dbg( p_vout, "forcing chroma 0x%.8x (%4.4s)",
 190                  i_chroma, (char*)&i_chroma );
 191     }
 192     else
 193     {
 194         i_chroma = p_vout->render.i_chroma;
 195     }
 196
 197     /* Check that we have access to an XVideo port providing this chroma */
 198     p_vout->p_sys->i_xvport = XVideoGetPort( p_vout, VLC2X11_FOURCC(i_chroma),
 199                                              &p_vout->output.i_chroma );
 200     if( p_vout->p_sys->i_xvport < 0 )
 201     {
 202         /* If a specific chroma format was requested, then we don't try to
 203          * be cleverer than the user. He knew pretty well what he wanted. */
 204         if( b_chroma )
 205         {
 206             XCloseDisplay( p_vout->p_sys->p_display );
 207             free( p_vout->p_sys );
 208             return VLC_EGENERIC;
 209         }
 210
 211         /* It failed, but it's not completely lost ! We try to open an
 212          * XVideo port for an YUY2 picture. We'll need to do an YUV
 213          * conversion, but at least it has got scaling. */
 214         p_vout->p_sys->i_xvport =
 215                         XVideoGetPort( p_vout, X11_FOURCC('Y','U','Y','2'),
 216                                                &p_vout->output.i_chroma );
 217         if( p_vout->p_sys->i_xvport < 0 )
 218         {
 219             /* It failed, but it's not completely lost ! We try to open an
 220              * XVideo port for a simple 16bpp RGB picture. We'll need to do
 221              * an YUV conversion, but at least it has got scaling. */
 222             p_vout->p_sys->i_xvport =
 223                             XVideoGetPort( p_vout, X11_FOURCC('R','V','1','6'),
 224                                                    &p_vout->output.i_chroma );
 225             if( p_vout->p_sys->i_xvport < 0 )
 226             {
 227                 XCloseDisplay( p_vout->p_sys->p_display );
 228                 free( p_vout->p_sys );
 229                 return VLC_EGENERIC;
 230             }
 231         }
 232     }
 233     p_vout->output.i_chroma = X112VLC_FOURCC(p_vout->output.i_chroma);
 234 #endif
 235
 236     /* Create blank cursor (for mouse cursor autohiding) */
 237     p_vout->p_sys->i_time_mouse_last_moved = mdate();
 238     p_vout->p_sys->b_mouse_pointer_visible = 1;
 239     CreateCursor( p_vout );
 240
 241     /* Set main window's size */
 242     p_vout->p_sys->original_window.i_width = p_vout->i_window_width;
 243     p_vout->p_sys->original_window.i_height = p_vout->i_window_height;
 244
 245     /* Spawn base window - this window will include the video output window,
 246      * but also command buttons, subtitles and other indicators */
 247     if( CreateWindow( p_vout, &p_vout->p_sys->original_window ) )
 248     {
 249         msg_Err( p_vout, "cannot create X11 window" );
 250         DestroyCursor( p_vout );
 251         XCloseDisplay( p_vout->p_sys->p_display );
 252         free( p_vout->p_sys );
 253         return VLC_EGENERIC;
 254     }
 255
 256     /* Open and initialize device. */
 257     if( InitDisplay( p_vout ) )
 258     {
 259         msg_Err( p_vout, "cannot initialize X11 display" );
 260         DestroyCursor( p_vout );
 261         DestroyWindow( p_vout, &p_vout->p_sys->original_window );
 262         XCloseDisplay( p_vout->p_sys->p_display );
 263         free( p_vout->p_sys );
 264         return VLC_EGENERIC;
 265     }
 266
 267     /* Disable screen saver */
 268     DisableXScreenSaver( p_vout );
 269
 270     /* Misc init */
 271     p_vout->p_sys->b_altfullscreen = 0;
 272     p_vout->p_sys->i_time_button_last_pressed = 0;
 273
 274     TestNetWMSupport( p_vout );
 275
 276     return VLC_SUCCESS;
 277 }
 278
 279 /*****************************************************************************
 280  * Deactivate: destroy X11 video thread output method
 281  *****************************************************************************
 282  * Terminate an output method created by Open
 283  *****************************************************************************/
 284 void E_(Deactivate) ( vlc_object_t *p_this )
 285 {
 286     vout_thread_t *p_vout = (vout_thread_t *)p_this;
 287
 288     /* If the fullscreen window is still open, close it */
 289     if( p_vout->b_fullscreen )
 290     {
 291         ToggleFullScreen( p_vout );
 292     }
 293
 294     /* Restore cursor if it was blanked */
 295     if( !p_vout->p_sys->b_mouse_pointer_visible )
 296     {
 297         ToggleCursor( p_vout );
 298     }
 299
 300 #ifdef MODULE_NAME_IS_x11
 301     /* Destroy colormap */
 302     if( XDefaultDepth(p_vout->p_sys->p_display, p_vout->p_sys->i_screen) == 8 )
 303     {
 304         XFreeColormap( p_vout->p_sys->p_display, p_vout->p_sys->colormap );
 305     }
 306 #else
 307     XVideoReleasePort( p_vout, p_vout->p_sys->i_xvport );
 308 #endif
 309
 310     DestroyCursor( p_vout );
 311     EnableXScreenSaver( p_vout );
 312     DestroyWindow( p_vout, &p_vout->p_sys->original_window );
 313
 314     XCloseDisplay( p_vout->p_sys->p_display );
 315
 316     /* Destroy structure */
 317     free( p_vout->p_sys );
 318 }
 319
 320 /*****************************************************************************
 321  * InitVideo: initialize X11 video thread output method
 322  *****************************************************************************
 323  * This function create the XImages needed by the output thread. It is called
 324  * at the beginning of the thread, but also each time the window is resized.
 325  *****************************************************************************/
 326 static int InitVideo( vout_thread_t *p_vout )
 327 {
 328     int i_index;
 329     picture_t *p_pic;
 330
 331     I_OUTPUTPICTURES = 0;
 332
 333 #ifdef MODULE_NAME_IS_xvideo
 334     /* Initialize the output structure; we already found an XVideo port,
 335      * and the corresponding chroma we will be using. Since we can
 336      * arbitrary scale, stick to the coordinates and aspect. */
 337     p_vout->output.i_width  = p_vout->render.i_width;
 338     p_vout->output.i_height = p_vout->render.i_height;
 339     p_vout->output.i_aspect = p_vout->render.i_aspect;
 340
 341     switch( p_vout->output.i_chroma )
 342     {
 343         case VLC_FOURCC('R','V','1','5'):
 344             p_vout->output.i_rmask = 0x001f;
 345             p_vout->output.i_gmask = 0x07e0;
 346             p_vout->output.i_bmask = 0xf800;
 347             break;
 348         case VLC_FOURCC('R','V','1','6'):
 349             p_vout->output.i_rmask = 0x001f;
 350             p_vout->output.i_gmask = 0x03e0;
 351             p_vout->output.i_bmask = 0x7c00;
 352             break;
 353     }
 354
 355 #else
 356     /* Initialize the output structure: RGB with square pixels, whatever
 357      * the input format is, since it's the only format we know */
 358     switch( p_vout->p_sys->i_screen_depth )
 359     {
 360         case 8: /* FIXME: set the palette */
 361             p_vout->output.i_chroma = VLC_FOURCC('R','G','B','2'); break;
 362         case 15:
 363             p_vout->output.i_chroma = VLC_FOURCC('R','V','1','5'); break;
 364         case 16:
 365             p_vout->output.i_chroma = VLC_FOURCC('R','V','1','6'); break;
 366         case 24:
 367             p_vout->output.i_chroma = VLC_FOURCC('R','V','2','4'); break;
 368         case 32:
 369             p_vout->output.i_chroma = VLC_FOURCC('R','V','3','2'); break;
 370         default:
 371             msg_Err( p_vout, "unknown screen depth %i",
 372                      p_vout->p_sys->i_screen_depth );
 373             return VLC_SUCCESS;
 374     }
 375
 376     vout_PlacePicture( p_vout, p_vout->p_sys->p_win->i_width,
 377                        p_vout->p_sys->p_win->i_height,
 378                        &i_index, &i_index,
 379                        &p_vout->output.i_width, &p_vout->output.i_height );
 380
 381     /* Assume we have square pixels */
 382     p_vout->output.i_aspect = p_vout->output.i_width
 383                                * VOUT_ASPECT_FACTOR / p_vout->output.i_height;
 384 #endif
 385
 386     /* Try to initialize up to MAX_DIRECTBUFFERS direct buffers */
 387     while( I_OUTPUTPICTURES < MAX_DIRECTBUFFERS )
 388     {
 389         p_pic = NULL;
 390
 391         /* Find an empty picture slot */
 392         for( i_index = 0 ; i_index < VOUT_MAX_PICTURES ; i_index++ )
 393         {
 394           if( p_vout->p_picture[ i_index ].i_status == FREE_PICTURE )
 395             {
 396                 p_pic = p_vout->p_picture + i_index;
 397                 break;
 398             }
 399         }
 400
 401         /* Allocate the picture */
 402         if( p_pic == NULL || NewPicture( p_vout, p_pic ) )
 403         {
 404             break;
 405         }
 406
 407         p_pic->i_status = DESTROYED_PICTURE;
 408         p_pic->i_type   = DIRECT_PICTURE;
 409
 410         PP_OUTPUTPICTURE[ I_OUTPUTPICTURES ] = p_pic;
 411
 412         I_OUTPUTPICTURES++;
 413     }
 414
 415     return VLC_SUCCESS;
 416 }
 417
 418  /*****************************************************************************
 419  * DisplayVideo: displays previously rendered output
 420  *****************************************************************************
 421  * This function sends the currently rendered image to X11 server.
 422  * (The Xv extension takes care of "double-buffering".)
 423  *****************************************************************************/
 424 static void DisplayVideo( vout_thread_t *p_vout, picture_t *p_pic )
 425 {
 426     int i_width, i_height, i_x, i_y;
 427
 428     vout_PlacePicture( p_vout, p_vout->p_sys->p_win->i_width,
 429                        p_vout->p_sys->p_win->i_height,
 430                        &i_x, &i_y, &i_width, &i_height );
 431
 432 #ifdef HAVE_SYS_SHM_H
 433     if( p_vout->p_sys->b_shm )
 434     {
 435         /* Display rendered image using shared memory extension */
 436 #   ifdef MODULE_NAME_IS_xvideo
 437         XvShmPutImage( p_vout->p_sys->p_display, p_vout->p_sys->i_xvport,
 438                        p_vout->p_sys->p_win->video_window,
 439                        p_vout->p_sys->p_win->gc, p_pic->p_sys->p_image,
 440                        0 /*src_x*/, 0 /*src_y*/,
 441                        p_vout->output.i_width, p_vout->output.i_height,
 442                        0 /*dest_x*/, 0 /*dest_y*/, i_width, i_height,
 443                        False /* Don't put True here or you'll waste your CPU */ );
 444 #   else
 445         XShmPutImage( p_vout->p_sys->p_display,
 446                       p_vout->p_sys->p_win->video_window,
 447                       p_vout->p_sys->p_win->gc, p_pic->p_sys->p_image,
 448                       0 /*src_x*/, 0 /*src_y*/, 0 /*dest_x*/, 0 /*dest_y*/,
 449                       p_vout->output.i_width, p_vout->output.i_height,
 450                       False /* Don't put True here ! */ );
 451 #   endif
 452     }
 453     else
 454 #endif /* HAVE_SYS_SHM_H */
 455     {
 456         /* Use standard XPutImage -- this is gonna be slow ! */
 457 #ifdef MODULE_NAME_IS_xvideo
 458         XvPutImage( p_vout->p_sys->p_display, p_vout->p_sys->i_xvport,
 459                     p_vout->p_sys->p_win->video_window,
 460                     p_vout->p_sys->p_win->gc, p_pic->p_sys->p_image,
 461                     0 /*src_x*/, 0 /*src_y*/,
 462                     p_vout->output.i_width, p_vout->output.i_height,
 463                     0 /*dest_x*/, 0 /*dest_y*/, i_width, i_height );
 464 #else
 465         XPutImage( p_vout->p_sys->p_display,
 466                    p_vout->p_sys->p_win->video_window,
 467                    p_vout->p_sys->p_win->gc, p_pic->p_sys->p_image,
 468                    0 /*src_x*/, 0 /*src_y*/, 0 /*dest_x*/, 0 /*dest_y*/,
 469                    p_vout->output.i_width, p_vout->output.i_height );
 470 #endif
 471     }
 472
 473     /* Make sure the command is sent now - do NOT use XFlush !*/
 474     XSync( p_vout->p_sys->p_display, False );
 475 }
 476
 477 /*****************************************************************************
 478  * ManageVideo: handle X11 events
 479  *****************************************************************************
 480  * This function should be called regularly by video output thread. It manages
 481  * X11 events and allows window resizing. It returns a non null value on
 482  * error.
 483  *****************************************************************************/
 484 static int ManageVideo( vout_thread_t *p_vout )
 485 {
 486     XEvent      xevent;                                         /* X11 event */
 487     char        i_key;                                    /* ISO Latin-1 key */
 488     KeySym      x_key_symbol;
 489     vlc_value_t val;
 490
 491     /* Handle X11 events: ConfigureNotify events are parsed to know if the
 492      * output window's size changed, MapNotify and UnmapNotify to know if the
 493      * window is mapped (and if the display is useful), and ClientMessages
 494      * to intercept window destruction requests */
 495
 496     while( XCheckWindowEvent( p_vout->p_sys->p_display,
 497                               p_vout->p_sys->p_win->base_window,
 498                               StructureNotifyMask | KeyPressMask |
 499                               ButtonPressMask | ButtonReleaseMask |
 500                               PointerMotionMask | Button1MotionMask , &xevent )
 501            == True )
 502     {
 503         /* ConfigureNotify event: prepare  */
 504         if( xevent.type == ConfigureNotify )
 505         {
 506             if( (unsigned int)xevent.xconfigure.width
 507                    != p_vout->p_sys->p_win->i_width
 508               || (unsigned int)xevent.xconfigure.height
 509                     != p_vout->p_sys->p_win->i_height )
 510             {
 511                 /* Update dimensions */
 512                 p_vout->i_changes |= VOUT_SIZE_CHANGE;
 513                 p_vout->p_sys->p_win->i_width = xevent.xconfigure.width;
 514                 p_vout->p_sys->p_win->i_height = xevent.xconfigure.height;
 515             }
 516         }
 517         /* Keyboard event */
 518         else if( xevent.type == KeyPress )
 519         {
 520             /* We may have keys like F1 trough F12, ESC ... */
 521             x_key_symbol = XKeycodeToKeysym( p_vout->p_sys->p_display,
 522                                              xevent.xkey.keycode, 0 );
 523             switch( (int)x_key_symbol )
 524             {
 525             case XK_Escape:
 526                 if( p_vout->b_fullscreen )
 527                 {
 528                     p_vout->i_changes |= VOUT_FULLSCREEN_CHANGE;
 529                 }
 530                 else
 531                 {
 532                     /* the user wants to close the window */
 533                     playlist_t * p_playlist =
 534                         (playlist_t *)vlc_object_find( p_vout,
 535                                                        VLC_OBJECT_PLAYLIST,
 536                                                        FIND_ANYWHERE );
 537                     if( p_playlist != NULL )
 538                     {
 539                         playlist_Stop( p_playlist );
 540                         vlc_object_release( p_playlist );
 541                     }
 542                 }
 543                 break;
 544             case XK_Menu:
 545                 {
 546                     intf_thread_t *p_intf;
 547                     playlist_t * p_playlist;
 548
 549                     p_intf = vlc_object_find( p_vout, VLC_OBJECT_INTF,
 550                                                       FIND_ANYWHERE );
 551                     if( p_intf )
 552                     {
 553                         p_intf->b_menu_change = 1;
 554                         vlc_object_release( p_intf );
 555                     }
 556
 557                     p_playlist = vlc_object_find( p_vout, VLC_OBJECT_PLAYLIST,
 558                                                            FIND_ANYWHERE );
 559                     if( p_playlist != NULL )
 560                     {
 561                         vlc_value_t val;
 562                         var_Set( p_playlist, "intf-popupmenu", val );
 563                         vlc_object_release( p_playlist );
 564                     }
 565                 }
 566                 break;
 567             case XK_Left:
 568 /*                input_Seek( p_vout, -5, INPUT_SEEK_SECONDS | INPUT_SEEK_CUR ); */
 569                 val.psz_string = "LEFT";
 570                 var_Set( p_vout, "key-pressed", val );
 571                 break;
 572             case XK_Right:
 573 /*                input_Seek( p_vout, 5, INPUT_SEEK_SECONDS | INPUT_SEEK_CUR ); */
 574                 val.psz_string = "RIGHT";
 575                 var_Set( p_vout, "key-pressed", val );
 576                 break;
 577             case XK_Up:
 578 /*                input_Seek( p_vout, 60, INPUT_SEEK_SECONDS | INPUT_SEEK_CUR ); */
 579                 val.psz_string = "UP";
 580                 var_Set( p_vout, "key-pressed", val );
 581                 break;
 582             case XK_Down:
 583 /*                input_Seek( p_vout, -60, INPUT_SEEK_SECONDS | INPUT_SEEK_CUR ); */
 584                 val.psz_string = "DOWN";
 585                 var_Set( p_vout, "key-pressed", val );
 586                 break;
 587             case XK_Return:
 588             case XK_KP_Enter:
 589                 val.psz_string = "ENTER";
 590                 var_Set( p_vout, "key-pressed", val );
 591                 break;
 592             case XK_Home:
 593                 input_Seek( p_vout, 0, INPUT_SEEK_BYTES | INPUT_SEEK_SET );
 594                 break;
 595             case XK_End:
 596                 input_Seek( p_vout, 0, INPUT_SEEK_BYTES | INPUT_SEEK_END );
 597                 break;
 598             case XK_Page_Up:
 599                 input_Seek( p_vout, 10, INPUT_SEEK_SECONDS | INPUT_SEEK_CUR );
 600                 break;
 601             case XK_Page_Down:
 602                 input_Seek( p_vout, -10, INPUT_SEEK_SECONDS | INPUT_SEEK_CUR );
 603                 break;
 604             case XK_space:
 605                 input_SetStatus( p_vout, INPUT_STATUS_PAUSE );
 606                 break;
 607
 608             default:
 609                 /* "Normal Keys"
 610                  * The reason why I use this instead of XK_0 is that
 611                  * with XLookupString, we don't have to care about
 612                  * keymaps. */
 613
 614                 if( XLookupString( &xevent.xkey, &i_key, 1, NULL, NULL ) )
 615                 {
 616                     /* FIXME: handle stuff here */
 617                     switch( i_key )
 618                     {
 619                     case 'q':
 620                     case 'Q':
 621                         p_vout->p_vlc->b_die = 1;
 622                         break;
 623                     case 'f':
 624                     case 'F':
 625                         p_vout->i_changes |= VOUT_FULLSCREEN_CHANGE;
 626                         break;
 627
 628                     default:
 629                         break;
 630                     }
 631                 }
 632                 break;
 633             }
 634         }
 635         /* Mouse click */
 636         else if( xevent.type == ButtonPress )
 637         {
 638             switch( ((XButtonEvent *)&xevent)->button )
 639             {
 640                 case Button1:
 641                     var_Get( p_vout, "mouse-button-down", &val );
 642                     val.i_int |= 1;
 643                     var_Set( p_vout, "mouse-button-down", val );
 644
 645                     /* detect double-clicks */
 646                     if( ( ((XButtonEvent *)&xevent)->time -
 647                           p_vout->p_sys->i_time_button_last_pressed ) < 300 )
 648                     {
 649                         p_vout->i_changes |= VOUT_FULLSCREEN_CHANGE;
 650                     }
 651
 652                     p_vout->p_sys->i_time_button_last_pressed =
 653                         ((XButtonEvent *)&xevent)->time;
 654                     break;
 655                 case Button2:
 656                     var_Get( p_vout, "mouse-button-down", &val );
 657                     val.i_int |= 2;
 658                     var_Set( p_vout, "mouse-button-down", val );
 659                     break;
 660
 661                 case Button3:
 662                     var_Get( p_vout, "mouse-button-down", &val );
 663                     val.i_int |= 4;
 664                     var_Set( p_vout, "mouse-button-down", val );
 665                     break;
 666
 667                 case Button4:
 668                     var_Get( p_vout, "mouse-button-down", &val );
 669                     val.i_int |= 8;
 670                     var_Set( p_vout, "mouse-button-down", val );
 671                     input_Seek( p_vout, 15, INPUT_SEEK_SECONDS | INPUT_SEEK_CUR );
 672                     break;
 673
 674                 case Button5:
 675                     var_Get( p_vout, "mouse-button-down", &val );
 676                     val.i_int |= 16;
 677                     var_Set( p_vout, "mouse-button-down", val );
 678                     input_Seek( p_vout, -15, INPUT_SEEK_SECONDS | INPUT_SEEK_CUR );
 679                     break;
 680             }
 681         }
 682         /* Mouse release */
 683         else if( xevent.type == ButtonRelease )
 684         {
 685             switch( ((XButtonEvent *)&xevent)->button )
 686             {
 687                 case Button1:
 688                     var_Get( p_vout, "mouse-button-down", &val );
 689                     val.i_int &= ~1;
 690                     var_Set( p_vout, "mouse-button-down", val );
 691
 692                     val.b_bool = VLC_TRUE;
 693                     var_Set( p_vout, "mouse-clicked", val );
 694                     break;
 695
 696                 case Button2:
 697                     {
 698                         playlist_t *p_playlist;
 699
 700                         var_Get( p_vout, "mouse-button-down", &val );
 701                         val.i_int &= ~2;
 702                         var_Set( p_vout, "mouse-button-down", val );
 703
 704                         p_playlist = vlc_object_find( p_vout,
 705                                                       VLC_OBJECT_PLAYLIST,
 706                                                       FIND_ANYWHERE );
 707                         if( p_playlist != NULL )
 708                         {
 709                             vlc_value_t val;
 710                             var_Get( p_playlist, "intf-show", &val );
 711                             val.b_bool = !val.b_bool;
 712                             var_Set( p_playlist, "intf-show", val );
 713                             vlc_object_release( p_playlist );
 714                         }
 715                     }
 716                     break;
 717
 718                 case Button3:
 719                     {
 720                         intf_thread_t *p_intf;
 721                         playlist_t *p_playlist;
 722
 723                         var_Get( p_vout, "mouse-button-down", &val );
 724                         val.i_int &= ~4;
 725                         var_Set( p_vout, "mouse-button-down", val );
 726                         p_intf = vlc_object_find( p_vout, VLC_OBJECT_INTF,
 727                                                           FIND_ANYWHERE );
 728                         if( p_intf )
 729                         {
 730                             p_intf->b_menu_change = 1;
 731                             vlc_object_release( p_intf );
 732                         }
 733
 734                         p_playlist = vlc_object_find( p_vout,
 735                                                       VLC_OBJECT_PLAYLIST,
 736                                                       FIND_ANYWHERE );
 737                         if( p_playlist != NULL )
 738                         {
 739                             vlc_value_t val;
 740                             var_Set( p_playlist, "intf-popupmenu", val );
 741                             vlc_object_release( p_playlist );
 742                         }
 743                     }
 744                     break;
 745
 746                 case Button4:
 747                     var_Get( p_vout, "mouse-button-down", &val );
 748                     val.i_int &= ~8;
 749                     var_Set( p_vout, "mouse-button-down", val );
 750                     break;
 751
 752                 case Button5:
 753                     var_Get( p_vout, "mouse-button-down", &val );
 754                     val.i_int &= ~16;
 755                     var_Set( p_vout, "mouse-button-down", val );
 756                     break;
 757
 758             }
 759         }
 760         /* Mouse move */
 761         else if( xevent.type == MotionNotify )
 762         {
 763             int i_width, i_height, i_x, i_y;
 764             vlc_value_t val;
 765
 766             /* somewhat different use for vout_PlacePicture:
 767              * here the values are needed to give to mouse coordinates
 768              * in the original picture space */
 769             vout_PlacePicture( p_vout, p_vout->p_sys->p_win->i_width,
 770                                p_vout->p_sys->p_win->i_height,
 771                                &i_x, &i_y, &i_width, &i_height );
 772
 773             val.i_int = ( xevent.xmotion.x - i_x )
 774                          * p_vout->render.i_width / i_width;
 775             var_Set( p_vout, "mouse-x", val );
 776             val.i_int = ( xevent.xmotion.y - i_y )
 777                          * p_vout->render.i_height / i_height;
 778             var_Set( p_vout, "mouse-y", val );
 779
 780             val.b_bool = VLC_TRUE;
 781             var_Set( p_vout, "mouse-moved", val );
 782
 783             p_vout->p_sys->i_time_mouse_last_moved = mdate();
 784             if( ! p_vout->p_sys->b_mouse_pointer_visible )
 785             {
 786                 ToggleCursor( p_vout );
 787             }
 788         }
 789         else if( xevent.type == ReparentNotify /* XXX: why do we get this? */
 790                   || xevent.type == MapNotify
 791                   || xevent.type == UnmapNotify )
 792         {
 793             /* Ignore these events */
 794         }
 795         else /* Other events */
 796         {
 797             msg_Warn( p_vout, "unhandled event %d received", xevent.type );
 798         }
 799     }
 800
 801     /* Handle events for video output sub-window */
 802     while( XCheckWindowEvent( p_vout->p_sys->p_display,
 803                               p_vout->p_sys->p_win->video_window,
 804                               ExposureMask, &xevent ) == True )
 805     {
 806         /* Window exposed (only handled if stream playback is paused) */
 807         if( xevent.type == Expose )
 808         {
 809             if( ((XExposeEvent *)&xevent)->count == 0 )
 810             {
 811                 /* (if this is the last a collection of expose events...) */
 812 #if 0
 813                 if( p_vout->p_vlc->p_input_bank->pp_input[0] != NULL )
 814                 {
 815                     if( PAUSE_S == p_vout->p_vlc->p_input_bank->pp_input[0]
 816                                                    ->stream.control.i_status )
 817                     {
 818                         /* XVideoDisplay( p_vout )*/;
 819                     }
 820                 }
 821 #endif
 822             }
 823         }
 824     }
 825
 826     /* ClientMessage event - only WM_PROTOCOLS with WM_DELETE_WINDOW data
 827      * are handled - according to the man pages, the format is always 32
 828      * in this case */
 829     while( XCheckTypedEvent( p_vout->p_sys->p_display,
 830                              ClientMessage, &xevent ) )
 831     {
 832         if( (xevent.xclient.message_type == p_vout->p_sys->p_win->wm_protocols)
 833                && ((Atom)xevent.xclient.data.l[0]
 834                      == p_vout->p_sys->p_win->wm_delete_window ) )
 835         {
 836             /* the user wants to close the window */
 837             playlist_t * p_playlist =
 838                 (playlist_t *)vlc_object_find( p_vout, VLC_OBJECT_PLAYLIST,
 839                                                FIND_ANYWHERE );
 840             if( p_playlist != NULL )
 841             {
 842                 playlist_Stop( p_playlist );
 843                 vlc_object_release( p_playlist );
 844             }
 845         }
 846     }
 847
 848     /*
 849      * Fullscreen Change
 850      */
 851     if ( p_vout->i_changes & VOUT_FULLSCREEN_CHANGE )
 852     {
 853         vlc_value_t val;
 854
 855         /* Update the object variable and trigger callback */
 856         val.b_bool = !p_vout->b_fullscreen;
 857         var_Set( p_vout, "fullscreen", val );
 858
 859         ToggleFullScreen( p_vout );
 860         p_vout->i_changes &= ~VOUT_FULLSCREEN_CHANGE;
 861     }
 862
 863     /*
 864      * Size change
 865      *
 866      * (Needs to be placed after VOUT_FULLSREEN_CHANGE because we can activate
 867      *  the size flag inside the fullscreen routine)
 868      */
 869     if( p_vout->i_changes & VOUT_SIZE_CHANGE )
 870     {
 871         int i_width, i_height, i_x, i_y;
 872
 873         p_vout->i_changes &= ~VOUT_SIZE_CHANGE;
 874
 875 #ifdef MODULE_NAME_IS_x11
 876         /* We need to signal the vout thread about the size change because it
 877          * is doing the rescaling */
 878         p_vout->i_changes |= VOUT_SIZE_CHANGE;
 879 #endif
 880
 881         vout_PlacePicture( p_vout, p_vout->p_sys->p_win->i_width,
 882                            p_vout->p_sys->p_win->i_height,
 883                            &i_x, &i_y, &i_width, &i_height );
 884
 885         XMoveResizeWindow( p_vout->p_sys->p_display,
 886                            p_vout->p_sys->p_win->video_window,
 887                            i_x, i_y, i_width, i_height );
 888     }
 889
 890     /* Autohide Cursour */
 891     if( mdate() - p_vout->p_sys->i_time_mouse_last_moved > 2000000 )
 892     {
 893         /* Hide the mouse automatically */
 894         if( p_vout->p_sys->b_mouse_pointer_visible )
 895         {
 896             ToggleCursor( p_vout );
 897         }
 898     }
 899
 900     return 0;
 901 }
 902
 903 /*****************************************************************************
 904  * EndVideo: terminate X11 video thread output method
 905  *****************************************************************************
 906  * Destroy the X11 XImages created by Init. It is called at the end of
 907  * the thread, but also each time the window is resized.
 908  *****************************************************************************/
 909 static void EndVideo( vout_thread_t *p_vout )
 910 {
 911     int i_index;
 912
 913     /* Free the direct buffers we allocated */
 914     for( i_index = I_OUTPUTPICTURES ; i_index ; )
 915     {
 916         i_index--;
 917         FreePicture( p_vout, PP_OUTPUTPICTURE[ i_index ] );
 918     }
 919 }
 920
 921 /* following functions are local */
 922
 923 /*****************************************************************************
 924  * CreateWindow: open and set-up X11 main window
 925  *****************************************************************************/
 926 static int CreateWindow( vout_thread_t *p_vout, x11_window_t *p_win )
 927 {
 928     XSizeHints              xsize_hints;
 929     XSetWindowAttributes    xwindow_attributes;
 930     XGCValues               xgcvalues;
 931     XEvent                  xevent;
 932
 933     vlc_bool_t              b_expose = VLC_FALSE;
 934     vlc_bool_t              b_configure_notify = VLC_FALSE;
 935     vlc_bool_t              b_map_notify = VLC_FALSE;
 936
 937     vlc_value_t             val;
 938     long long int           i_drawable;
 939
 940     /* Prepare window manager hints and properties */
 941     xsize_hints.base_width          = p_win->i_width;
 942     xsize_hints.base_height         = p_win->i_height;
 943     xsize_hints.flags               = PSize;
 944     p_win->wm_protocols =
 945              XInternAtom( p_vout->p_sys->p_display, "WM_PROTOCOLS", True );
 946     p_win->wm_delete_window =
 947              XInternAtom( p_vout->p_sys->p_display, "WM_DELETE_WINDOW", True );
 948
 949     /* Prepare window attributes */
 950     xwindow_attributes.backing_store = Always;       /* save the hidden part */
 951     xwindow_attributes.background_pixel = BlackPixel(p_vout->p_sys->p_display,
 952                                                      p_vout->p_sys->i_screen);
 953     xwindow_attributes.event_mask = ExposureMask | StructureNotifyMask;
 954
 955     /* Check whether someone provided us with a window ID */
 956     var_Get( p_vout->p_vlc, "drawable", &val );
 957     i_drawable = p_vout->b_fullscreen ? 0 : val.i_int;
 958
 959     if( !i_drawable )
 960     {
 961         /* Create the window and set hints - the window must receive
 962          * ConfigureNotify events, and until it is displayed, Expose and
 963          * MapNotify events. */
 964
 965         p_win->base_window =
 966             XCreateWindow( p_vout->p_sys->p_display,
 967                            DefaultRootWindow( p_vout->p_sys->p_display ),
 968                            0, 0,
 969                            p_win->i_width, p_win->i_height,
 970                            0,
 971                            0, InputOutput, 0,
 972                            CWBackingStore | CWBackPixel | CWEventMask,
 973                            &xwindow_attributes );
 974
 975         if( !p_vout->b_fullscreen )
 976         {
 977             /* Set window manager hints and properties: size hints, command,
 978              * window's name, and accepted protocols */
 979             XSetWMNormalHints( p_vout->p_sys->p_display,
 980                                p_win->base_window, &xsize_hints );
 981             XSetCommand( p_vout->p_sys->p_display, p_win->base_window,
 982                          p_vout->p_vlc->ppsz_argv, p_vout->p_vlc->i_argc );
 983
 984             XStoreName( p_vout->p_sys->p_display, p_win->base_window,
 985 #ifdef MODULE_NAME_IS_x11
 986                         VOUT_TITLE " (X11 output)"
 987 #else
 988                         VOUT_TITLE " (XVideo output)"
 989 #endif
 990                       );
 991         }
 992     }
 993     else
 994     {
 995         /* Get the parent window's geometry information */
 996         Window dummy1;
 997         unsigned int dummy2, dummy3;
 998         XGetGeometry( p_vout->p_sys->p_display, i_drawable,
 999                       &dummy1, &dummy2, &dummy3,
1000                       &p_win->i_width,
1001                       &p_win->i_height,
1002                       &dummy2, &dummy3 );
1003
1004         /* We are already configured */
1005         b_configure_notify = VLC_TRUE;
1006
1007         /* From man XSelectInput: only one client at a time can select a
1008          * ButtonPress event, so we need to open a new window anyway. */
1009         p_win->base_window =
1010             XCreateWindow( p_vout->p_sys->p_display,
1011                            i_drawable,
1012                            0, 0,
1013                            p_win->i_width, p_win->i_height,
1014                            0,
1015                            0, CopyFromParent, 0,
1016                            CWBackingStore | CWBackPixel | CWEventMask,
1017                            &xwindow_attributes );
1018     }
1019
1020     if( (p_win->wm_protocols == None)        /* use WM_DELETE_WINDOW */
1021         || (p_win->wm_delete_window == None)
1022         || !XSetWMProtocols( p_vout->p_sys->p_display, p_win->base_window,
1023                              &p_win->wm_delete_window, 1 ) )
1024     {
1025         /* WM_DELETE_WINDOW is not supported by window manager */
1026         msg_Warn( p_vout, "missing or bad window manager" );
1027     }
1028
1029     /* Creation of a graphic context that doesn't generate a GraphicsExpose
1030      * event when using functions like XCopyArea */
1031     xgcvalues.graphics_exposures = False;
1032     p_win->gc = XCreateGC( p_vout->p_sys->p_display,
1033                            p_win->base_window,
1034                            GCGraphicsExposures, &xgcvalues );
1035
1036     /* Send orders to server, and wait until window is displayed - three
1037      * events must be received: a MapNotify event, an Expose event allowing
1038      * drawing in the window, and a ConfigureNotify to get the window
1039      * dimensions. Once those events have been received, only
1040      * ConfigureNotify events need to be received. */
1041     XMapWindow( p_vout->p_sys->p_display, p_win->base_window );
1042     do
1043     {
1044         XNextEvent( p_vout->p_sys->p_display, &xevent);
1045         if( (xevent.type == Expose)
1046             && (xevent.xexpose.window == p_win->base_window) )
1047         {
1048             b_expose = VLC_TRUE;
1049         }
1050         else if( (xevent.type == MapNotify)
1051                  && (xevent.xmap.window == p_win->base_window) )
1052         {
1053             b_map_notify = VLC_TRUE;
1054         }
1055         else if( (xevent.type == ConfigureNotify)
1056                  && (xevent.xconfigure.window == p_win->base_window) )
1057         {
1058             b_configure_notify = VLC_TRUE;
1059             p_win->i_width = xevent.xconfigure.width;
1060             p_win->i_height = xevent.xconfigure.height;
1061         }
1062     } while( !( b_expose && b_configure_notify && b_map_notify ) );
1063
1064     XSelectInput( p_vout->p_sys->p_display, p_win->base_window,
1065                   StructureNotifyMask | KeyPressMask |
1066                   ButtonPressMask | ButtonReleaseMask |
1067                   PointerMotionMask );
1068
1069 #ifdef MODULE_NAME_IS_x11
1070     if( XDefaultDepth(p_vout->p_sys->p_display, p_vout->p_sys->i_screen) == 8 )
1071     {
1072         /* Allocate a new palette */
1073         p_vout->p_sys->colormap =
1074             XCreateColormap( p_vout->p_sys->p_display,
1075                              DefaultRootWindow( p_vout->p_sys->p_display ),
1076                              DefaultVisual( p_vout->p_sys->p_display,
1077                                             p_vout->p_sys->i_screen ),
1078                              AllocAll );
1079
1080         xwindow_attributes.colormap = p_vout->p_sys->colormap;
1081         XChangeWindowAttributes( p_vout->p_sys->p_display, p_win->base_window,
1082                                  CWColormap, &xwindow_attributes );
1083     }
1084 #endif
1085
1086     /* Create video output sub-window. */
1087     p_win->video_window =  XCreateSimpleWindow(
1088                                       p_vout->p_sys->p_display,
1089                                       p_win->base_window, 0, 0,
1090                                       p_win->i_width, p_win->i_height,
1091                                       0,
1092                                       BlackPixel( p_vout->p_sys->p_display,
1093                                                   p_vout->p_sys->i_screen ),
1094                                       WhitePixel( p_vout->p_sys->p_display,
1095                                                   p_vout->p_sys->i_screen ) );
1096
1097     XSetWindowBackground( p_vout->p_sys->p_display, p_win->video_window,
1098                           BlackPixel( p_vout->p_sys->p_display,
1099                                       p_vout->p_sys->i_screen ) );
1100
1101     XMapWindow( p_vout->p_sys->p_display, p_win->video_window );
1102     XSelectInput( p_vout->p_sys->p_display, p_win->video_window,
1103                   ExposureMask );
1104
1105     /* make sure the video window will be centered in the next ManageVideo() */
1106     p_vout->i_changes |= VOUT_SIZE_CHANGE;
1107
1108     /* If the cursor was formerly blank than blank it again */
1109     if( !p_vout->p_sys->b_mouse_pointer_visible )
1110     {
1111         ToggleCursor( p_vout );
1112         ToggleCursor( p_vout );
1113     }
1114
1115     /* Do NOT use XFlush here ! */
1116     XSync( p_vout->p_sys->p_display, False );
1117
1118     /* At this stage, the window is open, displayed, and ready to
1119      * receive data */
1120     p_vout->p_sys->p_win = p_win;
1121
1122     return VLC_SUCCESS;
1123 }
1124
1125 /*****************************************************************************
1126  * DestroyWindow: destroy the window
1127  *****************************************************************************
1128  *
1129  *****************************************************************************/
1130 static void DestroyWindow( vout_thread_t *p_vout, x11_window_t *p_win )
1131 {
1132     /* Do NOT use XFlush here ! */
1133     XSync( p_vout->p_sys->p_display, False );
1134
1135     XDestroyWindow( p_vout->p_sys->p_display, p_win->video_window );
1136     XFreeGC( p_vout->p_sys->p_display, p_win->gc );
1137
1138     XUnmapWindow( p_vout->p_sys->p_display, p_win->base_window );
1139     XDestroyWindow( p_vout->p_sys->p_display, p_win->base_window );
1140 }
1141
1142 /*****************************************************************************
1143  * NewPicture: allocate a picture
1144  *****************************************************************************
1145  * Returns 0 on success, -1 otherwise
1146  *****************************************************************************/
1147 static int NewPicture( vout_thread_t *p_vout, picture_t *p_pic )
1148 {
1149 #ifdef MODULE_NAME_IS_xvideo
1150     int i_plane;
1151 #endif
1152
1153     /* We know the chroma, allocate a buffer which will be used
1154      * directly by the decoder */
1155     p_pic->p_sys = malloc( sizeof( picture_sys_t ) );
1156
1157     if( p_pic->p_sys == NULL )
1158     {
1159         return -1;
1160     }
1161
1162     /* Fill in picture_t fields */
1163     vout_InitPicture( VLC_OBJECT(p_vout), p_pic, p_vout->output.i_chroma,
1164                       p_vout->output.i_width, p_vout->output.i_height,
1165                       p_vout->output.i_aspect );
1166
1167 #ifdef HAVE_SYS_SHM_H
1168     if( p_vout->p_sys->b_shm )
1169     {
1170         /* Create image using XShm extension */
1171         p_pic->p_sys->p_image =
1172             CreateShmImage( p_vout, p_vout->p_sys->p_display,
1173 #   ifdef MODULE_NAME_IS_xvideo
1174                             p_vout->p_sys->i_xvport, p_vout->output.i_chroma,
1175 #   else
1176                             p_vout->p_sys->p_visual,
1177                             p_vout->p_sys->i_screen_depth,
1178 #   endif
1179                             &p_pic->p_sys->shminfo,
1180                             p_vout->output.i_width, p_vout->output.i_height );
1181     }
1182     else
1183 #endif /* HAVE_SYS_SHM_H */
1184     {
1185         /* Create image without XShm extension */
1186         p_pic->p_sys->p_image =
1187             CreateImage( p_vout, p_vout->p_sys->p_display,
1188 #ifdef MODULE_NAME_IS_xvideo
1189                          p_vout->p_sys->i_xvport, p_vout->output.i_chroma,
1190                          p_pic->format.i_bits_per_pixel,
1191 #else
1192                          p_vout->p_sys->p_visual,
1193                          p_vout->p_sys->i_screen_depth,
1194                          p_vout->p_sys->i_bytes_per_pixel,
1195 #endif
1196                          p_vout->output.i_width, p_vout->output.i_height );
1197     }
1198
1199     if( p_pic->p_sys->p_image == NULL )
1200     {
1201         free( p_pic->p_sys );
1202         return -1;
1203     }
1204
1205     switch( p_vout->output.i_chroma )
1206     {
1207 #ifdef MODULE_NAME_IS_xvideo
1208         case VLC_FOURCC('I','4','2','0'):
1209         case VLC_FOURCC('Y','V','1','2'):
1210         case VLC_FOURCC('Y','2','1','1'):
1211         case VLC_FOURCC('Y','U','Y','2'):
1212         case VLC_FOURCC('U','Y','V','Y'):
1213         case VLC_FOURCC('R','V','1','5'):
1214         case VLC_FOURCC('R','V','1','6'):
1215         case VLC_FOURCC('R','V','2','4'): /* Fixme: pixel pitch == 4 ? */
1216         case VLC_FOURCC('R','V','3','2'):
1217
1218             for( i_plane = 0; i_plane < p_pic->p_sys->p_image->num_planes;
1219                  i_plane++ )
1220             {
1221                 p_pic->p[i_plane].p_pixels = p_pic->p_sys->p_image->data
1222                     + p_pic->p_sys->p_image->offsets[i_plane];
1223                 p_pic->p[i_plane].i_pitch =
1224                     p_pic->p_sys->p_image->pitches[i_plane];
1225             }
1226             if( p_vout->output.i_chroma == VLC_FOURCC('Y','V','1','2') )
1227             {
1228                 /* U and V inverted compared to I420
1229                  * Fixme: this should be handled by the vout core */
1230                 p_pic->U_PIXELS = p_pic->p_sys->p_image->data
1231                     + p_pic->p_sys->p_image->offsets[2];
1232                 p_pic->V_PIXELS = p_pic->p_sys->p_image->data
1233                     + p_pic->p_sys->p_image->offsets[1];
1234             }
1235             break;
1236
1237 #else
1238         case VLC_FOURCC('R','G','B','2'):
1239         case VLC_FOURCC('R','V','1','6'):
1240         case VLC_FOURCC('R','V','1','5'):
1241         case VLC_FOURCC('R','V','2','4'):
1242         case VLC_FOURCC('R','V','3','2'):
1243
1244             p_pic->p->i_lines = p_pic->p_sys->p_image->height;
1245             p_pic->p->p_pixels = p_pic->p_sys->p_image->data
1246                                   + p_pic->p_sys->p_image->xoffset;
1247             p_pic->p->i_pitch = p_pic->p_sys->p_image->bytes_per_line;
1248
1249             /* p_pic->p->i_pixel_pitch = 4 for RV24 but this should be set
1250              * properly by vout_InitPicture() */
1251             p_pic->p->i_visible_pitch = p_pic->p->i_pixel_pitch
1252                                          * p_pic->p_sys->p_image->width;
1253             break;
1254 #endif
1255
1256         default:
1257             /* Unknown chroma, tell the guy to get lost */
1258             IMAGE_FREE( p_pic->p_sys->p_image );
1259             free( p_pic->p_sys );
1260             msg_Err( p_vout, "never heard of chroma 0x%.8x (%4.4s)",
1261                      p_vout->output.i_chroma, (char*)&p_vout->output.i_chroma );
1262             p_pic->i_planes = 0;
1263             return -1;
1264     }
1265
1266     return 0;
1267 }
1268
1269 /*****************************************************************************
1270  * FreePicture: destroy a picture allocated with NewPicture
1271  *****************************************************************************
1272  * Destroy XImage AND associated data. If using Shm, detach shared memory
1273  * segment from server and process, then free it. The XDestroyImage manpage
1274  * says that both the image structure _and_ the data pointed to by the
1275  * image structure are freed, so no need to free p_image->data.
1276  *****************************************************************************/
1277 static void FreePicture( vout_thread_t *p_vout, picture_t *p_pic )
1278 {
1279     /* The order of operations is correct */
1280 #ifdef HAVE_SYS_SHM_H
1281     if( p_vout->p_sys->b_shm )
1282     {
1283         XShmDetach( p_vout->p_sys->p_display, &p_pic->p_sys->shminfo );
1284         IMAGE_FREE( p_pic->p_sys->p_image );
1285
1286         shmctl( p_pic->p_sys->shminfo.shmid, IPC_RMID, 0 );
1287         if( shmdt( p_pic->p_sys->shminfo.shmaddr ) )
1288         {
1289             msg_Err( p_vout, "cannot detach shared memory (%s)",
1290                              strerror(errno) );
1291         }
1292     }
1293     else
1294 #endif
1295     {
1296         IMAGE_FREE( p_pic->p_sys->p_image );
1297     }
1298
1299     /* Do NOT use XFlush here ! */
1300     XSync( p_vout->p_sys->p_display, False );
1301
1302     free( p_pic->p_sys );
1303 }
1304
1305 /*****************************************************************************
1306  * ToggleFullScreen: Enable or disable full screen mode
1307  *****************************************************************************
1308  * This function will switch between fullscreen and window mode.
1309  *****************************************************************************/
1310 static void ToggleFullScreen ( vout_thread_t *p_vout )
1311 {
1312     Atom prop;
1313     XEvent xevent;
1314     mwmhints_t mwmhints;
1315     XSetWindowAttributes attributes;
1316
1317 #ifdef HAVE_XINERAMA
1318     int i_d1, i_d2;
1319 #endif
1320
1321     p_vout->b_fullscreen = !p_vout->b_fullscreen;
1322
1323     if( p_vout->b_fullscreen )
1324     {
1325         msg_Dbg( p_vout, "entering fullscreen mode" );
1326
1327         p_vout->p_sys->b_altfullscreen =
1328             config_GetInt( p_vout, MODULE_STRING "-altfullscreen" );
1329
1330         XUnmapWindow( p_vout->p_sys->p_display,
1331                       p_vout->p_sys->p_win->base_window);
1332
1333         p_vout->p_sys->p_win = &p_vout->p_sys->fullscreen_window;
1334
1335         /* fullscreen window size and position */
1336         p_vout->p_sys->p_win->i_width =
1337             DisplayWidth( p_vout->p_sys->p_display, p_vout->p_sys->i_screen );
1338         p_vout->p_sys->p_win->i_height =
1339             DisplayHeight( p_vout->p_sys->p_display, p_vout->p_sys->i_screen );
1340
1341         CreateWindow( p_vout, p_vout->p_sys->p_win );
1342
1343         /* To my knowledge there are two ways to create a borderless window.
1344          * There's the generic way which is to tell x to bypass the window
1345          * manager, but this creates problems with the focus of other
1346          * applications.
1347          * The other way is to use the motif property "_MOTIF_WM_HINTS" which
1348          * luckily seems to be supported by most window managers. */
1349         if( !p_vout->p_sys->b_altfullscreen )
1350         {
1351             mwmhints.flags = MWM_HINTS_DECORATIONS;
1352             mwmhints.decorations = False;
1353
1354             prop = XInternAtom( p_vout->p_sys->p_display, "_MOTIF_WM_HINTS",
1355                                 False );
1356             XChangeProperty( p_vout->p_sys->p_display,
1357                              p_vout->p_sys->p_win->base_window,
1358                              prop, prop, 32, PropModeReplace,
1359                              (unsigned char *)&mwmhints,
1360                              PROP_MWM_HINTS_ELEMENTS );
1361         }
1362         else
1363         {
1364             /* brute force way to remove decorations */
1365             attributes.override_redirect = True;
1366             XChangeWindowAttributes( p_vout->p_sys->p_display,
1367                                      p_vout->p_sys->p_win->base_window,
1368                                      CWOverrideRedirect,
1369                                      &attributes);
1370
1371             /* Make sure the change is effective */
1372             XReparentWindow( p_vout->p_sys->p_display,
1373                              p_vout->p_sys->p_win->base_window,
1374                              DefaultRootWindow( p_vout->p_sys->p_display ),
1375                              0, 0 );
1376         }
1377
1378         if( p_vout->p_sys->b_net_wm_state_fullscreen )
1379         {
1380             XClientMessageEvent event;
1381
1382             memset( &event, 0, sizeof( XClientMessageEvent ) );
1383
1384             event.type = ClientMessage;
1385             event.message_type = p_vout->p_sys->net_wm_state;
1386             event.display = p_vout->p_sys->p_display;
1387             event.window = p_vout->p_sys->p_win->base_window;
1388             event.format = 32;
1389             event.data.l[ 0 ] = 1; /* set property */
1390             event.data.l[ 1 ] = p_vout->p_sys->net_wm_state_fullscreen;
1391
1392             XSendEvent( p_vout->p_sys->p_display,
1393                         DefaultRootWindow( p_vout->p_sys->p_display ),
1394                         False, SubstructureRedirectMask,
1395                         (XEvent*)&event );
1396         }
1397
1398         /* Make sure the change is effective */
1399         XReparentWindow( p_vout->p_sys->p_display,
1400                          p_vout->p_sys->p_win->base_window,
1401                          DefaultRootWindow( p_vout->p_sys->p_display ),
1402                          0, 0 );
1403
1404         /* fullscreen window size and position */
1405         p_vout->p_sys->p_win->i_width =
1406             DisplayWidth( p_vout->p_sys->p_display, p_vout->p_sys->i_screen );
1407         p_vout->p_sys->p_win->i_height =
1408             DisplayHeight( p_vout->p_sys->p_display, p_vout->p_sys->i_screen );
1409
1410         p_vout->p_sys->p_win->i_x = 0;
1411         p_vout->p_sys->p_win->i_y = 0;
1412
1413 #ifdef HAVE_XINERAMA
1414         if( XineramaQueryExtension( p_vout->p_sys->p_display, &i_d1, &i_d2 ) &&
1415             XineramaIsActive( p_vout->p_sys->p_display ) )
1416         {
1417             XineramaScreenInfo *screens;   /* infos for xinerama */
1418             int i_num_screens;
1419
1420             msg_Dbg( p_vout, "Using XFree Xinerama extension");
1421
1422 #define SCREEN p_vout->p_sys->p_win->i_screen
1423
1424             /* Get Informations about Xinerama (num of screens) */
1425             screens = XineramaQueryScreens( p_vout->p_sys->p_display,
1426                                             &i_num_screens );
1427
1428             if( !SCREEN )
1429                 SCREEN = config_GetInt( p_vout,
1430                                         MODULE_STRING "-xineramascreen" );
1431
1432             /* just check that user has entered a good value */
1433             if( SCREEN >= i_num_screens || SCREEN < 0 )
1434             {
1435                 msg_Dbg( p_vout, "requested screen number invalid" );
1436                 SCREEN = 0;
1437             }
1438
1439             /* Get the X/Y upper left corner coordinate of the above screen */
1440             p_vout->p_sys->p_win->i_x = screens[SCREEN].x_org;
1441             p_vout->p_sys->p_win->i_y = screens[SCREEN].y_org;
1442
1443             /* Set the Height/width to the screen resolution */
1444             p_vout->p_sys->p_win->i_width = screens[SCREEN].width;
1445             p_vout->p_sys->p_win->i_height = screens[SCREEN].height;
1446
1447             XFree(screens);
1448
1449 #undef SCREEN
1450
1451         }
1452 #endif
1453
1454         XMoveResizeWindow( p_vout->p_sys->p_display,
1455                            p_vout->p_sys->p_win->base_window,
1456                            p_vout->p_sys->p_win->i_x,
1457                            p_vout->p_sys->p_win->i_y,
1458                            p_vout->p_sys->p_win->i_width,
1459                            p_vout->p_sys->p_win->i_height );
1460     }
1461     else
1462     {
1463         msg_Dbg( p_vout, "leaving fullscreen mode" );
1464         DestroyWindow( p_vout, &p_vout->p_sys->fullscreen_window );
1465         p_vout->p_sys->p_win = &p_vout->p_sys->original_window;
1466
1467         XMapWindow( p_vout->p_sys->p_display,
1468                     p_vout->p_sys->p_win->base_window);
1469     }
1470
1471     /* Unfortunately, using XSync() here is not enough to ensure the
1472      * window has already been mapped because the XMapWindow() request
1473      * has not necessarily been sent directly to our window (remember,
1474      * the call is first redirected to the window manager) */
1475     do
1476     {
1477         XWindowEvent( p_vout->p_sys->p_display,
1478                       p_vout->p_sys->p_win->base_window,
1479                       StructureNotifyMask, &xevent );
1480     } while( xevent.type != MapNotify );
1481
1482     /* Be careful, this can generate a BadMatch error if the window is not
1483      * already mapped by the server (see above) */
1484     XSetInputFocus(p_vout->p_sys->p_display,
1485                    p_vout->p_sys->p_win->base_window,
1486                    RevertToParent,
1487                    CurrentTime);
1488
1489     /* signal that the size needs to be updated */
1490     p_vout->i_changes |= VOUT_SIZE_CHANGE;
1491 }
1492
1493 /*****************************************************************************
1494  * EnableXScreenSaver: enable screen saver
1495  *****************************************************************************
1496  * This function enables the screen saver on a display after it has been
1497  * disabled by XDisableScreenSaver.
1498  * FIXME: what happens if multiple vlc sessions are running at the same
1499  *        time ???
1500  *****************************************************************************/
1501 static void EnableXScreenSaver( vout_thread_t *p_vout )
1502 {
1503 #ifdef DPMSINFO_IN_DPMS_H
1504     int dummy;
1505 #endif
1506
1507     if( p_vout->p_sys->i_ss_timeout )
1508     {
1509         XSetScreenSaver( p_vout->p_sys->p_display, p_vout->p_sys->i_ss_timeout,
1510                          p_vout->p_sys->i_ss_interval,
1511                          p_vout->p_sys->i_ss_blanking,
1512                          p_vout->p_sys->i_ss_exposure );
1513     }
1514
1515     /* Restore DPMS settings */
1516 #ifdef DPMSINFO_IN_DPMS_H
1517     if( DPMSQueryExtension( p_vout->p_sys->p_display, &dummy, &dummy ) )
1518     {
1519         if( p_vout->p_sys->b_ss_dpms )
1520         {
1521             DPMSEnable( p_vout->p_sys->p_display );
1522         }
1523     }
1524 #endif
1525 }
1526
1527 /*****************************************************************************
1528  * DisableXScreenSaver: disable screen saver
1529  *****************************************************************************
1530  * See XEnableXScreenSaver
1531  *****************************************************************************/
1532 static void DisableXScreenSaver( vout_thread_t *p_vout )
1533 {
1534 #ifdef DPMSINFO_IN_DPMS_H
1535     int dummy;
1536 #endif
1537
1538     /* Save screen saver informations */
1539     XGetScreenSaver( p_vout->p_sys->p_display, &p_vout->p_sys->i_ss_timeout,
1540                      &p_vout->p_sys->i_ss_interval,
1541                      &p_vout->p_sys->i_ss_blanking,
1542                      &p_vout->p_sys->i_ss_exposure );
1543
1544     /* Disable screen saver */
1545     if( p_vout->p_sys->i_ss_timeout )
1546     {
1547         XSetScreenSaver( p_vout->p_sys->p_display, 0,
1548                          p_vout->p_sys->i_ss_interval,
1549                          p_vout->p_sys->i_ss_blanking,
1550                          p_vout->p_sys->i_ss_exposure );
1551     }
1552
1553     /* Disable DPMS */
1554 #ifdef DPMSINFO_IN_DPMS_H
1555     if( DPMSQueryExtension( p_vout->p_sys->p_display, &dummy, &dummy ) )
1556     {
1557         CARD16 unused;
1558         /* Save DPMS current state */
1559         DPMSInfo( p_vout->p_sys->p_display, &unused,
1560                   &p_vout->p_sys->b_ss_dpms );
1561         DPMSDisable( p_vout->p_sys->p_display );
1562    }
1563 #endif
1564 }
1565
1566 /*****************************************************************************
1567  * CreateCursor: create a blank mouse pointer
1568  *****************************************************************************/
1569 static void CreateCursor( vout_thread_t *p_vout )
1570 {
1571     XColor cursor_color;
1572
1573     p_vout->p_sys->cursor_pixmap =
1574         XCreatePixmap( p_vout->p_sys->p_display,
1575                        DefaultRootWindow( p_vout->p_sys->p_display ),
1576                        1, 1, 1 );
1577
1578     XParseColor( p_vout->p_sys->p_display,
1579                  XCreateColormap( p_vout->p_sys->p_display,
1580                                   DefaultRootWindow(
1581                                                     p_vout->p_sys->p_display ),
1582                                   DefaultVisual(
1583                                                 p_vout->p_sys->p_display,
1584                                                 p_vout->p_sys->i_screen ),
1585                                   AllocNone ),
1586                  "black", &cursor_color );
1587
1588     p_vout->p_sys->blank_cursor =
1589         XCreatePixmapCursor( p_vout->p_sys->p_display,
1590                              p_vout->p_sys->cursor_pixmap,
1591                              p_vout->p_sys->cursor_pixmap,
1592                              &cursor_color, &cursor_color, 1, 1 );
1593 }
1594
1595 /*****************************************************************************
1596  * DestroyCursor: destroy the blank mouse pointer
1597  *****************************************************************************/
1598 static void DestroyCursor( vout_thread_t *p_vout )
1599 {
1600     XFreePixmap( p_vout->p_sys->p_display, p_vout->p_sys->cursor_pixmap );
1601 }
1602
1603 /*****************************************************************************
1604  * ToggleCursor: hide or show the mouse pointer
1605  *****************************************************************************
1606  * This function hides the X pointer if it is visible by setting the pointer
1607  * sprite to a blank one. To show it again, we disable the sprite.
1608  *****************************************************************************/
1609 static void ToggleCursor( vout_thread_t *p_vout )
1610 {
1611     if( p_vout->p_sys->b_mouse_pointer_visible )
1612     {
1613         XDefineCursor( p_vout->p_sys->p_display,
1614                        p_vout->p_sys->p_win->base_window,
1615                        p_vout->p_sys->blank_cursor );
1616         p_vout->p_sys->b_mouse_pointer_visible = 0;
1617     }
1618     else
1619     {
1620         XUndefineCursor( p_vout->p_sys->p_display,
1621                          p_vout->p_sys->p_win->base_window );
1622         p_vout->p_sys->b_mouse_pointer_visible = 1;
1623     }
1624 }
1625
1626 #ifdef MODULE_NAME_IS_xvideo
1627 /*****************************************************************************
1628  * XVideoGetPort: get YUV12 port
1629  *****************************************************************************/
1630 static int XVideoGetPort( vout_thread_t *p_vout,
1631                           vlc_fourcc_t i_chroma, vlc_fourcc_t *pi_newchroma )
1632 {
1633     XvAdaptorInfo *p_adaptor;
1634     unsigned int i;
1635     int i_adaptor, i_num_adaptors, i_requested_adaptor;
1636     int i_selected_port;
1637
1638     switch( XvQueryExtension( p_vout->p_sys->p_display, &i, &i, &i, &i, &i ) )
1639     {
1640         case Success:
1641             break;
1642
1643         case XvBadExtension:
1644             msg_Warn( p_vout, "XvBadExtension" );
1645             return -1;
1646
1647         case XvBadAlloc:
1648             msg_Warn( p_vout, "XvBadAlloc" );
1649             return -1;
1650
1651         default:
1652             msg_Warn( p_vout, "XvQueryExtension failed" );
1653             return -1;
1654     }
1655
1656     switch( XvQueryAdaptors( p_vout->p_sys->p_display,
1657                              DefaultRootWindow( p_vout->p_sys->p_display ),
1658                              &i_num_adaptors, &p_adaptor ) )
1659     {
1660         case Success:
1661             break;
1662
1663         case XvBadExtension:
1664             msg_Warn( p_vout, "XvBadExtension for XvQueryAdaptors" );
1665             return -1;
1666
1667         case XvBadAlloc:
1668             msg_Warn( p_vout, "XvBadAlloc for XvQueryAdaptors" );
1669             return -1;
1670
1671         default:
1672             msg_Warn( p_vout, "XvQueryAdaptors failed" );
1673             return -1;
1674     }
1675
1676     i_selected_port = -1;
1677     i_requested_adaptor = config_GetInt( p_vout, "xvideo-adaptor" );
1678
1679     for( i_adaptor = 0; i_adaptor < i_num_adaptors; ++i_adaptor )
1680     {
1681         XvImageFormatValues *p_formats;
1682         int i_format, i_num_formats;
1683         int i_port;
1684
1685         /* If we requested an adaptor and it's not this one, we aren't
1686          * interested */
1687         if( i_requested_adaptor != -1 && i_adaptor != i_requested_adaptor )
1688         {
1689             continue;
1690         }
1691
1692         /* If the adaptor doesn't have the required properties, skip it */
1693         if( !( p_adaptor[ i_adaptor ].type & XvInputMask ) ||
1694             !( p_adaptor[ i_adaptor ].type & XvImageMask ) )
1695         {
1696             continue;
1697         }
1698
1699         /* Check that adaptor supports our requested format... */
1700         p_formats = XvListImageFormats( p_vout->p_sys->p_display,
1701                                         p_adaptor[i_adaptor].base_id,
1702                                         &i_num_formats );
1703
1704         for( i_format = 0;
1705              i_format < i_num_formats && ( i_selected_port == -1 );
1706              i_format++ )
1707         {
1708             /* Code removed, we can get this through xvinfo anyway */
1709 #if 0
1710             XvEncodingInfo  *p_enc;
1711             int             i_enc, i_num_encodings;
1712             XvAttribute     *p_attr;
1713             int             i_attr, i_num_attributes;
1714 #endif
1715
1716             /* If this is not the format we want, or at least a
1717              * similar one, forget it */
1718             if( !vout_ChromaCmp( p_formats[ i_format ].id, i_chroma ) )
1719             {
1720                 continue;
1721             }
1722
1723             /* Look for the first available port supporting this format */
1724             for( i_port = p_adaptor[i_adaptor].base_id;
1725                  ( i_port < (int)(p_adaptor[i_adaptor].base_id
1726                                    + p_adaptor[i_adaptor].num_ports) )
1727                    && ( i_selected_port == -1 );
1728                  i_port++ )
1729             {
1730                 if( XvGrabPort( p_vout->p_sys->p_display, i_port, CurrentTime )
1731                      == Success )
1732                 {
1733                     i_selected_port = i_port;
1734                     *pi_newchroma = p_formats[ i_format ].id;
1735                 }
1736             }
1737
1738             /* If no free port was found, forget it */
1739             if( i_selected_port == -1 )
1740             {
1741                 continue;
1742             }
1743
1744             /* If we found a port, print information about it */
1745             msg_Dbg( p_vout, "adaptor %i, port %i, format 0x%x (%4.4s) %s",
1746                      i_adaptor, i_selected_port, p_formats[ i_format ].id,
1747                      (char *)&p_formats[ i_format ].id,
1748                      ( p_formats[ i_format ].format == XvPacked ) ?
1749                          "packed" : "planar" );
1750
1751 #if 0
1752             msg_Dbg( p_vout, " encoding list:" );
1753
1754             if( XvQueryEncodings( p_vout->p_sys->p_display, i_selected_port,
1755                                   &i_num_encodings, &p_enc )
1756                  != Success )
1757             {
1758                 msg_Dbg( p_vout, "  XvQueryEncodings failed" );
1759                 continue;
1760             }
1761
1762             for( i_enc = 0; i_enc < i_num_encodings; i_enc++ )
1763             {
1764                 msg_Dbg( p_vout, "  id=%ld, name=%s, size=%ldx%ld,"
1765                                       " numerator=%d, denominator=%d",
1766                              p_enc[i_enc].encoding_id, p_enc[i_enc].name,
1767                              p_enc[i_enc].width, p_enc[i_enc].height,
1768                              p_enc[i_enc].rate.numerator,
1769                              p_enc[i_enc].rate.denominator );
1770             }
1771
1772             if( p_enc != NULL )
1773             {
1774                 XvFreeEncodingInfo( p_enc );
1775             }
1776
1777             msg_Dbg( p_vout, " attribute list:" );
1778             p_attr = XvQueryPortAttributes( p_vout->p_sys->p_display,
1779                                             i_selected_port,
1780                                             &i_num_attributes );
1781             for( i_attr = 0; i_attr < i_num_attributes; i_attr++ )
1782             {
1783                 msg_Dbg( p_vout, "  name=%s, flags=[%s%s ], min=%i, max=%i",
1784                       p_attr[i_attr].name,
1785                       (p_attr[i_attr].flags & XvGettable) ? " get" : "",
1786                       (p_attr[i_attr].flags & XvSettable) ? " set" : "",
1787                       p_attr[i_attr].min_value, p_attr[i_attr].max_value );
1788             }
1789
1790             if( p_attr != NULL )
1791             {
1792                 XFree( p_attr );
1793             }
1794 #endif
1795         }
1796
1797         if( p_formats != NULL )
1798         {
1799             XFree( p_formats );
1800         }
1801
1802     }
1803
1804     if( i_num_adaptors > 0 )
1805     {
1806         XvFreeAdaptorInfo( p_adaptor );
1807     }
1808
1809     if( i_selected_port == -1 )
1810     {
1811         int i_chroma_tmp = X112VLC_FOURCC( i_chroma );
1812         if( i_requested_adaptor == -1 )
1813         {
1814             msg_Warn( p_vout, "no free XVideo port found for format "
1815                       "0x%.8x (%4.4s)", i_chroma_tmp, (char*)&i_chroma_tmp );
1816         }
1817         else
1818         {
1819             msg_Warn( p_vout, "XVideo adaptor %i does not have a free "
1820                       "XVideo port for format 0x%.8x (%4.4s)",
1821                       i_requested_adaptor, i_chroma_tmp, (char*)&i_chroma_tmp );
1822         }
1823     }
1824
1825     return i_selected_port;
1826 }
1827
1828 /*****************************************************************************
1829  * XVideoReleasePort: release YUV12 port
1830  *****************************************************************************/
1831 static void XVideoReleasePort( vout_thread_t *p_vout, int i_port )
1832 {
1833     XvUngrabPort( p_vout->p_sys->p_display, i_port, CurrentTime );
1834 }
1835 #endif
1836
1837 /*****************************************************************************
1838  * InitDisplay: open and initialize X11 device
1839  *****************************************************************************
1840  * Create a window according to video output given size, and set other
1841  * properties according to the display properties.
1842  *****************************************************************************/
1843 static int InitDisplay( vout_thread_t *p_vout )
1844 {
1845 #ifdef MODULE_NAME_IS_x11
1846     XPixmapFormatValues *       p_formats;                 /* pixmap formats */
1847     XVisualInfo *               p_xvisual;           /* visuals informations */
1848     XVisualInfo                 xvisual_template;         /* visual template */
1849     int                         i_count;                       /* array size */
1850 #endif
1851
1852 #ifdef HAVE_SYS_SHM_H
1853     p_vout->p_sys->b_shm = 0;
1854
1855     if( config_GetInt( p_vout, MODULE_STRING "-shm" ) )
1856     {
1857 #   ifdef SYS_DARWIN
1858         /* FIXME: As of 2001-03-16, XFree4 for MacOS X does not support Xshm */
1859 #   else
1860         p_vout->p_sys->b_shm =
1861                   ( XShmQueryExtension( p_vout->p_sys->p_display ) == True );
1862 #   endif
1863
1864         if( !p_vout->p_sys->b_shm )
1865         {
1866             msg_Warn( p_vout, "XShm video extension is unavailable" );
1867         }
1868     }
1869     else
1870     {
1871         msg_Dbg( p_vout, "disabling XShm video extension" );
1872     }
1873
1874 #else
1875     msg_Warn( p_vout, "XShm video extension is unavailable" );
1876
1877 #endif
1878
1879 #ifdef MODULE_NAME_IS_xvideo
1880     /* XXX The brightness and contrast values should be read from environment
1881      * XXX variables... */
1882 #if 0
1883     XVideoSetAttribute( p_vout, "XV_BRIGHTNESS", 0.5 );
1884     XVideoSetAttribute( p_vout, "XV_CONTRAST",   0.5 );
1885 #endif
1886 #endif
1887
1888 #ifdef MODULE_NAME_IS_x11
1889     /* Initialize structure */
1890     p_vout->p_sys->i_screen = DefaultScreen( p_vout->p_sys->p_display );
1891
1892     /* Get screen depth */
1893     p_vout->p_sys->i_screen_depth = XDefaultDepth( p_vout->p_sys->p_display,
1894                                                    p_vout->p_sys->i_screen );
1895     switch( p_vout->p_sys->i_screen_depth )
1896     {
1897     case 8:
1898         /*
1899          * Screen depth is 8bpp. Use PseudoColor visual with private colormap.
1900          */
1901         xvisual_template.screen =   p_vout->p_sys->i_screen;
1902         xvisual_template.class =    DirectColor;
1903         p_xvisual = XGetVisualInfo( p_vout->p_sys->p_display,
1904                                     VisualScreenMask | VisualClassMask,
1905                                     &xvisual_template, &i_count );
1906         if( p_xvisual == NULL )
1907         {
1908             msg_Err( p_vout, "no PseudoColor visual available" );
1909             return VLC_EGENERIC;
1910         }
1911         p_vout->p_sys->i_bytes_per_pixel = 1;
1912         p_vout->output.pf_setpalette = SetPalette;
1913         break;
1914     case 15:
1915     case 16:
1916     case 24:
1917     default:
1918         /*
1919          * Screen depth is higher than 8bpp. TrueColor visual is used.
1920          */
1921         xvisual_template.screen =   p_vout->p_sys->i_screen;
1922         xvisual_template.class =    TrueColor;
1923         p_xvisual = XGetVisualInfo( p_vout->p_sys->p_display,
1924                                     VisualScreenMask | VisualClassMask,
1925                                     &xvisual_template, &i_count );
1926         if( p_xvisual == NULL )
1927         {
1928             msg_Err( p_vout, "no TrueColor visual available" );
1929             return VLC_EGENERIC;
1930         }
1931
1932         p_vout->output.i_rmask = p_xvisual->red_mask;
1933         p_vout->output.i_gmask = p_xvisual->green_mask;
1934         p_vout->output.i_bmask = p_xvisual->blue_mask;
1935
1936         /* There is no difference yet between 3 and 4 Bpp. The only way
1937          * to find the actual number of bytes per pixel is to list supported
1938          * pixmap formats. */
1939         p_formats = XListPixmapFormats( p_vout->p_sys->p_display, &i_count );
1940         p_vout->p_sys->i_bytes_per_pixel = 0;
1941
1942         for( ; i_count-- ; p_formats++ )
1943         {
1944             /* Under XFree4.0, the list contains pixmap formats available
1945              * through all video depths ; so we have to check against current
1946              * depth. */
1947             if( p_formats->depth == (int)p_vout->p_sys->i_screen_depth )
1948             {
1949                 if( p_formats->bits_per_pixel / 8
1950                         > (int)p_vout->p_sys->i_bytes_per_pixel )
1951                 {
1952                     p_vout->p_sys->i_bytes_per_pixel =
1953                                                p_formats->bits_per_pixel / 8;
1954                 }
1955             }
1956         }
1957         break;
1958     }
1959     p_vout->p_sys->p_visual = p_xvisual->visual;
1960     XFree( p_xvisual );
1961 #endif
1962
1963     return VLC_SUCCESS;
1964 }
1965
1966 #ifdef HAVE_SYS_SHM_H
1967 /*****************************************************************************
1968  * CreateShmImage: create an XImage or XvImage using shared memory extension
1969  *****************************************************************************
1970  * Prepare an XImage or XvImage for display function.
1971  * The order of the operations respects the recommandations of the mit-shm
1972  * document by J.Corbet and K.Packard. Most of the parameters were copied from
1973  * there. See http://ftp.xfree86.org/pub/XFree86/4.0/doc/mit-shm.TXT
1974  *****************************************************************************/
1975 static IMAGE_TYPE * CreateShmImage( vout_thread_t *p_vout,
1976                                     Display* p_display, EXTRA_ARGS_SHM,
1977                                     int i_width, int i_height )
1978 {
1979     IMAGE_TYPE *p_image;
1980
1981     /* Create XImage / XvImage */
1982 #ifdef MODULE_NAME_IS_xvideo
1983     p_image = XvShmCreateImage( p_display, i_xvport, i_chroma, 0,
1984                                 i_width, i_height, p_shm );
1985 #else
1986     p_image = XShmCreateImage( p_display, p_visual, i_depth, ZPixmap, 0,
1987                                p_shm, i_width, i_height );
1988 #endif
1989     if( p_image == NULL )
1990     {
1991         msg_Err( p_vout, "image creation failed" );
1992         return NULL;
1993     }
1994
1995     /* Allocate shared memory segment - 0776 set the access permission
1996      * rights (like umask), they are not yet supported by all X servers */
1997     p_shm->shmid = shmget( IPC_PRIVATE, DATA_SIZE(p_image), IPC_CREAT | 0776 );
1998     if( p_shm->shmid < 0 )
1999     {
2000         msg_Err( p_vout, "cannot allocate shared image data (%s)",
2001                          strerror( errno ) );
2002         IMAGE_FREE( p_image );
2003         return NULL;
2004     }
2005
2006     /* Attach shared memory segment to process (read/write) */
2007     p_shm->shmaddr = p_image->data = shmat( p_shm->shmid, 0, 0 );
2008     if(! p_shm->shmaddr )
2009     {
2010         msg_Err( p_vout, "cannot attach shared memory (%s)",
2011                          strerror(errno));
2012         IMAGE_FREE( p_image );
2013         shmctl( p_shm->shmid, IPC_RMID, 0 );
2014         return NULL;
2015     }
2016
2017     /* Read-only data. We won't be using XShmGetImage */
2018     p_shm->readOnly = True;
2019
2020     /* Attach shared memory segment to X server */
2021     if( XShmAttach( p_display, p_shm ) == False )
2022     {
2023         msg_Err( p_vout, "cannot attach shared memory to X server" );
2024         IMAGE_FREE( p_image );
2025         shmctl( p_shm->shmid, IPC_RMID, 0 );
2026         shmdt( p_shm->shmaddr );
2027         return NULL;
2028     }
2029
2030     /* Send image to X server. This instruction is required, since having
2031      * built a Shm XImage and not using it causes an error on XCloseDisplay,
2032      * and remember NOT to use XFlush ! */
2033     XSync( p_display, False );
2034
2035 #if 0
2036     /* Mark the shm segment to be removed when there are no more
2037      * attachements, so it is automatic on process exit or after shmdt */
2038     shmctl( p_shm->shmid, IPC_RMID, 0 );
2039 #endif
2040
2041     return p_image;
2042 }
2043 #endif
2044
2045 /*****************************************************************************
2046  * CreateImage: create an XImage or XvImage
2047  *****************************************************************************
2048  * Create a simple image used as a buffer.
2049  *****************************************************************************/
2050 static IMAGE_TYPE * CreateImage( vout_thread_t *p_vout,
2051                                  Display *p_display, EXTRA_ARGS,
2052                                  int i_width, int i_height )
2053 {
2054     byte_t *    p_data;                           /* image data storage zone */
2055     IMAGE_TYPE *p_image;
2056 #ifdef MODULE_NAME_IS_x11
2057     int         i_quantum;                     /* XImage quantum (see below) */
2058     int         i_bytes_per_line;
2059 #endif
2060
2061     /* Allocate memory for image */
2062 #ifdef MODULE_NAME_IS_xvideo
2063     p_data = (byte_t *) malloc( i_width * i_height * i_bits_per_pixel / 8 );
2064 #else
2065     i_bytes_per_line = i_width * i_bytes_per_pixel;
2066     p_data = (byte_t *) malloc( i_bytes_per_line * i_height );
2067 #endif
2068     if( !p_data )
2069     {
2070         msg_Err( p_vout, "out of memory" );
2071         return NULL;
2072     }
2073
2074 #ifdef MODULE_NAME_IS_x11
2075     /* Optimize the quantum of a scanline regarding its size - the quantum is
2076        a diviser of the number of bits between the start of two scanlines. */
2077     if( i_bytes_per_line & 0xf )
2078     {
2079         i_quantum = 0x8;
2080     }
2081     else if( i_bytes_per_line & 0x10 )
2082     {
2083         i_quantum = 0x10;
2084     }
2085     else
2086     {
2087         i_quantum = 0x20;
2088     }
2089 #endif
2090
2091     /* Create XImage. p_data will be automatically freed */
2092 #ifdef MODULE_NAME_IS_xvideo
2093     p_image = XvCreateImage( p_display, i_xvport, i_chroma,
2094                              p_data, i_width, i_height );
2095 #else
2096     p_image = XCreateImage( p_display, p_visual, i_depth, ZPixmap, 0,
2097                             p_data, i_width, i_height, i_quantum, 0 );
2098 #endif
2099     if( p_image == NULL )
2100     {
2101         msg_Err( p_vout, "XCreateImage() failed" );
2102         free( p_data );
2103         return NULL;
2104     }
2105
2106     return p_image;
2107 }
2108
2109 #ifdef MODULE_NAME_IS_x11
2110 /*****************************************************************************
2111  * SetPalette: sets an 8 bpp palette
2112  *****************************************************************************
2113  * This function sets the palette given as an argument. It does not return
2114  * anything, but could later send information on which colors it was unable
2115  * to set.
2116  *****************************************************************************/
2117 static void SetPalette( vout_thread_t *p_vout,
2118                         uint16_t *red, uint16_t *green, uint16_t *blue )
2119 {
2120     int i;
2121     XColor p_colors[255];
2122
2123     /* allocate palette */
2124     for( i = 0; i < 255; i++ )
2125     {
2126         /* kludge: colors are indexed reversely because color 255 seems
2127          * to be reserved for black even if we try to set it to white */
2128         p_colors[ i ].pixel = 255 - i;
2129         p_colors[ i ].pad   = 0;
2130         p_colors[ i ].flags = DoRed | DoGreen | DoBlue;
2131         p_colors[ i ].red   = red[ 255 - i ];
2132         p_colors[ i ].blue  = blue[ 255 - i ];
2133         p_colors[ i ].green = green[ 255 - i ];
2134     }
2135
2136     XStoreColors( p_vout->p_sys->p_display,
2137                   p_vout->p_sys->colormap, p_colors, 255 );
2138 }
2139 #endif
2140
2141 /*****************************************************************************
2142  * TestNetWMSupport: tests for Extended Window Manager Hints support
2143  *****************************************************************************/
2144 static void TestNetWMSupport( vout_thread_t *p_vout )
2145 {
2146     int i_ret, i_format;
2147     unsigned long i, i_items, i_bytesafter;
2148     Atom net_wm_supported, *p_args = NULL;
2149
2150     p_vout->p_sys->b_net_wm_state_fullscreen = VLC_FALSE;
2151     p_vout->p_sys->b_net_wm_state_above = VLC_FALSE;
2152     p_vout->p_sys->b_net_wm_state_below = VLC_FALSE;
2153     p_vout->p_sys->b_net_wm_state_stays_on_top = VLC_FALSE;
2154
2155     net_wm_supported =
2156         XInternAtom( p_vout->p_sys->p_display, "_NET_SUPPORTED", False );
2157
2158     i_ret = XGetWindowProperty( p_vout->p_sys->p_display,
2159                                 DefaultRootWindow( p_vout->p_sys->p_display ),
2160                                 net_wm_supported,
2161                                 0, 16384, False, AnyPropertyType,
2162                                 &net_wm_supported,
2163                                 &i_format, &i_items, &i_bytesafter,
2164                                 (unsigned char **)&p_args );
2165
2166     if( i_ret != Success || i_items == 0 ) return;
2167
2168     msg_Dbg( p_vout, "Window manager supports NetWM" );
2169
2170     p_vout->p_sys->net_wm_state =
2171         XInternAtom( p_vout->p_sys->p_display, "_NET_WM_STATE", False );
2172     p_vout->p_sys->net_wm_state_fullscreen =
2173         XInternAtom( p_vout->p_sys->p_display, "_NET_WM_STATE_FULLSCREEN",
2174                      False );
2175     p_vout->p_sys->net_wm_state_above =
2176         XInternAtom( p_vout->p_sys->p_display, "_NET_WM_STATE_ABOVE", False );
2177     p_vout->p_sys->net_wm_state_below =
2178         XInternAtom( p_vout->p_sys->p_display, "_NET_WM_STATE_BELOW", False );
2179     p_vout->p_sys->net_wm_state_stays_on_top =
2180         XInternAtom( p_vout->p_sys->p_display, "_NET_WM_STATE_STAYS_ON_TOP",
2181                      False );
2182
2183     for( i = 0; i < i_items; i++ )
2184     {
2185         if( p_args[i] == p_vout->p_sys->net_wm_state_fullscreen )
2186         {
2187             msg_Dbg( p_vout,
2188                      "Window manager supports _NET_WM_STATE_FULLSCREEN" );
2189             p_vout->p_sys->b_net_wm_state_fullscreen = VLC_TRUE;
2190         }
2191         else if( p_args[i] == p_vout->p_sys->net_wm_state_above )
2192         {
2193             msg_Dbg( p_vout, "Window manager supports _NET_WM_STATE_ABOVE" );
2194             p_vout->p_sys->b_net_wm_state_above = VLC_TRUE;
2195         }
2196         else if( p_args[i] == p_vout->p_sys->net_wm_state_below )
2197         {
2198             msg_Dbg( p_vout, "Window manager supports _NET_WM_STATE_BELOW" );
2199             p_vout->p_sys->b_net_wm_state_below = VLC_TRUE;
2200         }
2201         else if( p_args[i] == p_vout->p_sys->net_wm_state_stays_on_top )
2202         {
2203             msg_Dbg( p_vout,
2204                      "Window manager supports _NET_WM_STATE_STAYS_ON_TOP" );
2205             p_vout->p_sys->b_net_wm_state_stays_on_top = VLC_TRUE;
2206         }
2207     }
2208
2209     XFree( p_args );
2210 }