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