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@videolan.org>
  11  *
  12  * This program is free software; you can redistribute it and/or modify
  13  * it under the terms of the GNU General Public License as published by
  14  * the Free Software Foundation; either version 2 of the License, or
  15  * (at your option) any later version.
  16  *
  17  * This program is distributed in the hope that it will be useful,
  18  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  19  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  20  * GNU General Public License for more details.
  21  *
  22  * You should have received a copy of the GNU General Public License
  23  * along with this program; if not, write to the Free Software
  24  * Foundation, Inc., 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/Xproto.h>
  56 #include <X11/Xmd.h>
  57 #include <X11/Xutil.h>
  58 #include <X11/keysym.h>
  59 #ifdef HAVE_SYS_SHM_H
  60 #   include <X11/extensions/XShm.h>
  61 #endif
  62 #ifdef DPMSINFO_IN_DPMS_H
  63 #   include <X11/extensions/dpms.h>
  64 #endif
  65
  66 #ifdef MODULE_NAME_IS_xvideo
  67 #   include <X11/extensions/Xv.h>
  68 #   include <X11/extensions/Xvlib.h>
  69 #endif
  70
  71 #ifdef MODULE_NAME_IS_glx
  72 #   include <GL/glx.h>
  73 #endif
  74
  75 #ifdef HAVE_XINERAMA
  76 #   include <X11/extensions/Xinerama.h>
  77 #endif
  78
  79 #include "xcommon.h"
  80
  81 /*****************************************************************************
  82  * Local prototypes
  83  *****************************************************************************/
  84 int  E_(Activate)   ( vlc_object_t * );
  85 void E_(Deactivate) ( vlc_object_t * );
  86
  87 static int  InitVideo      ( vout_thread_t * );
  88 static void EndVideo       ( vout_thread_t * );
  89 static void DisplayVideo   ( vout_thread_t *, picture_t * );
  90 static int  ManageVideo    ( vout_thread_t * );
  91 static int  Control        ( vout_thread_t *, int, va_list );
  92
  93 static int  InitDisplay    ( vout_thread_t * );
  94
  95 static int  CreateWindow   ( vout_thread_t *, x11_window_t * );
  96 static void DestroyWindow  ( vout_thread_t *, x11_window_t * );
  97
  98 static int  NewPicture     ( vout_thread_t *, picture_t * );
  99 static void FreePicture    ( vout_thread_t *, picture_t * );
 100
 101 static IMAGE_TYPE *CreateImage    ( vout_thread_t *,
 102                                     Display *, EXTRA_ARGS, int, int );
 103 #ifdef HAVE_SYS_SHM_H
 104 static IMAGE_TYPE *CreateShmImage ( vout_thread_t *,
 105                                     Display *, EXTRA_ARGS_SHM, int, int );
 106 #endif
 107
 108 static void ToggleFullScreen      ( vout_thread_t * );
 109
 110 static void EnableXScreenSaver    ( vout_thread_t * );
 111 static void DisableXScreenSaver   ( vout_thread_t * );
 112
 113 static void CreateCursor   ( vout_thread_t * );
 114 static void DestroyCursor  ( vout_thread_t * );
 115 static void ToggleCursor   ( vout_thread_t * );
 116
 117 #ifdef MODULE_NAME_IS_xvideo
 118 static int  XVideoGetPort    ( vout_thread_t *, vlc_fourcc_t, vlc_fourcc_t * );
 119 static void XVideoReleasePort( vout_thread_t *, int );
 120 #endif
 121
 122 #ifdef MODULE_NAME_IS_x11
 123 static void SetPalette     ( vout_thread_t *,
 124                              uint16_t *, uint16_t *, uint16_t * );
 125 #endif
 126
 127 static void TestNetWMSupport( vout_thread_t * );
 128 static int ConvertKey( int );
 129
 130 static int WindowOnTop( vout_thread_t *, vlc_bool_t );
 131
 132 static int X11ErrorHandler( Display *, XErrorEvent * );
 133
 134 /*****************************************************************************
 135  * Activate: allocate X11 video thread output method
 136  *****************************************************************************
 137  * This function allocate and initialize a X11 vout method. It uses some of the
 138  * vout properties to choose the window size, and change them according to the
 139  * actual properties of the display.
 140  *****************************************************************************/
 141 int E_(Activate) ( vlc_object_t *p_this )
 142 {
 143     vout_thread_t *p_vout = (vout_thread_t *)p_this;
 144     char *        psz_display;
 145     vlc_value_t   val;
 146
 147 #ifdef MODULE_NAME_IS_xvideo
 148     char *       psz_chroma;
 149     vlc_fourcc_t i_chroma = 0;
 150     vlc_bool_t   b_chroma = 0;
 151 #endif
 152
 153     p_vout->pf_init = InitVideo;
 154     p_vout->pf_end = EndVideo;
 155     p_vout->pf_manage = ManageVideo;
 156     p_vout->pf_render = NULL;
 157     p_vout->pf_display = DisplayVideo;
 158     p_vout->pf_control = Control;
 159
 160     /* Allocate structure */
 161     p_vout->p_sys = malloc( sizeof( vout_sys_t ) );
 162     if( p_vout->p_sys == NULL )
 163     {
 164         msg_Err( p_vout, "out of memory" );
 165         return VLC_ENOMEM;
 166     }
 167
 168     vlc_mutex_init( p_vout, &p_vout->p_sys->lock );
 169
 170     /* Open display, using the "display" config variable or the DISPLAY
 171      * environment variable */
 172     psz_display = config_GetPsz( p_vout, MODULE_STRING "-display" );
 173
 174     p_vout->p_sys->p_display = XOpenDisplay( psz_display );
 175
 176     if( p_vout->p_sys->p_display == NULL )                          /* error */
 177     {
 178         msg_Err( p_vout, "cannot open display %s",
 179                          XDisplayName( psz_display ) );
 180         free( p_vout->p_sys );
 181         if( psz_display ) free( psz_display );
 182         return VLC_EGENERIC;
 183     }
 184     if( psz_display ) free( psz_display );
 185
 186     /* Replace error handler so we can intercept some non-fatal errors */
 187     XSetErrorHandler( X11ErrorHandler );
 188
 189     /* Get a screen ID matching the XOpenDisplay return value */
 190     p_vout->p_sys->i_screen = DefaultScreen( p_vout->p_sys->p_display );
 191
 192 #ifdef MODULE_NAME_IS_xvideo
 193     psz_chroma = config_GetPsz( p_vout, "xvideo-chroma" );
 194     if( psz_chroma )
 195     {
 196         if( strlen( psz_chroma ) >= 4 )
 197         {
 198             /* Do not use direct assignment because we are not sure of the
 199              * alignment. */
 200             memcpy(&i_chroma, psz_chroma, 4);
 201             b_chroma = 1;
 202         }
 203
 204         free( psz_chroma );
 205     }
 206
 207     if( b_chroma )
 208     {
 209         msg_Dbg( p_vout, "forcing chroma 0x%.8x (%4.4s)",
 210                  i_chroma, (char*)&i_chroma );
 211     }
 212     else
 213     {
 214         i_chroma = p_vout->render.i_chroma;
 215     }
 216
 217     /* Check that we have access to an XVideo port providing this chroma */
 218     p_vout->p_sys->i_xvport = XVideoGetPort( p_vout, VLC2X11_FOURCC(i_chroma),
 219                                              &p_vout->output.i_chroma );
 220     if( p_vout->p_sys->i_xvport < 0 )
 221     {
 222         /* If a specific chroma format was requested, then we don't try to
 223          * be cleverer than the user. He knew pretty well what he wanted. */
 224         if( b_chroma )
 225         {
 226             XCloseDisplay( p_vout->p_sys->p_display );
 227             free( p_vout->p_sys );
 228             return VLC_EGENERIC;
 229         }
 230
 231         /* It failed, but it's not completely lost ! We try to open an
 232          * XVideo port for an YUY2 picture. We'll need to do an YUV
 233          * conversion, but at least it has got scaling. */
 234         p_vout->p_sys->i_xvport =
 235                         XVideoGetPort( p_vout, X11_FOURCC('Y','U','Y','2'),
 236                                                &p_vout->output.i_chroma );
 237         if( p_vout->p_sys->i_xvport < 0 )
 238         {
 239             /* It failed, but it's not completely lost ! We try to open an
 240              * XVideo port for a simple 16bpp RGB picture. We'll need to do
 241              * an YUV conversion, but at least it has got scaling. */
 242             p_vout->p_sys->i_xvport =
 243                             XVideoGetPort( p_vout, X11_FOURCC('R','V','1','6'),
 244                                                    &p_vout->output.i_chroma );
 245             if( p_vout->p_sys->i_xvport < 0 )
 246             {
 247                 XCloseDisplay( p_vout->p_sys->p_display );
 248                 free( p_vout->p_sys );
 249                 return VLC_EGENERIC;
 250             }
 251         }
 252     }
 253     p_vout->output.i_chroma = X112VLC_FOURCC(p_vout->output.i_chroma);
 254 #endif
 255
 256     /* Create blank cursor (for mouse cursor autohiding) */
 257     p_vout->p_sys->i_time_mouse_last_moved = mdate();
 258     p_vout->p_sys->b_mouse_pointer_visible = 1;
 259     CreateCursor( p_vout );
 260
 261     /* Set main window's size */
 262     p_vout->p_sys->original_window.i_width = p_vout->i_window_width;
 263     p_vout->p_sys->original_window.i_height = p_vout->i_window_height;
 264
 265     /* Spawn base window - this window will include the video output window,
 266      * but also command buttons, subtitles and other indicators */
 267     if( CreateWindow( p_vout, &p_vout->p_sys->original_window ) )
 268     {
 269         msg_Err( p_vout, "cannot create X11 window" );
 270         DestroyCursor( p_vout );
 271         XCloseDisplay( p_vout->p_sys->p_display );
 272         free( p_vout->p_sys );
 273         return VLC_EGENERIC;
 274     }
 275
 276     /* Open and initialize device. */
 277     if( InitDisplay( p_vout ) )
 278     {
 279         msg_Err( p_vout, "cannot initialize X11 display" );
 280         DestroyCursor( p_vout );
 281         DestroyWindow( p_vout, &p_vout->p_sys->original_window );
 282         XCloseDisplay( p_vout->p_sys->p_display );
 283         free( p_vout->p_sys );
 284         return VLC_EGENERIC;
 285     }
 286
 287     /* Disable screen saver */
 288     DisableXScreenSaver( p_vout );
 289
 290     /* Misc init */
 291     p_vout->p_sys->b_altfullscreen = 0;
 292     p_vout->p_sys->i_time_button_last_pressed = 0;
 293
 294     TestNetWMSupport( p_vout );
 295
 296     /* Variable to indicate if the window should be on top of others */
 297     /* Trigger a callback right now */
 298     var_Get( p_vout, "video-on-top", &val );
 299     var_Set( p_vout, "video-on-top", val );
 300
 301     return VLC_SUCCESS;
 302 }
 303
 304 /*****************************************************************************
 305  * Deactivate: destroy X11 video thread output method
 306  *****************************************************************************
 307  * Terminate an output method created by Open
 308  *****************************************************************************/
 309 void E_(Deactivate) ( vlc_object_t *p_this )
 310 {
 311     vout_thread_t *p_vout = (vout_thread_t *)p_this;
 312
 313     /* If the fullscreen window is still open, close it */
 314     if( p_vout->b_fullscreen )
 315     {
 316         ToggleFullScreen( p_vout );
 317     }
 318
 319     /* Restore cursor if it was blanked */
 320     if( !p_vout->p_sys->b_mouse_pointer_visible )
 321     {
 322         ToggleCursor( p_vout );
 323     }
 324
 325 #ifdef MODULE_NAME_IS_x11
 326     /* Destroy colormap */
 327     if( XDefaultDepth(p_vout->p_sys->p_display, p_vout->p_sys->i_screen) == 8 )
 328     {
 329         XFreeColormap( p_vout->p_sys->p_display, p_vout->p_sys->colormap );
 330     }
 331 #elif defined(MODULE_NAME_IS_xvideo)
 332     XVideoReleasePort( p_vout, p_vout->p_sys->i_xvport );
 333 #endif
 334
 335     DestroyCursor( p_vout );
 336     EnableXScreenSaver( p_vout );
 337     DestroyWindow( p_vout, &p_vout->p_sys->original_window );
 338
 339     XCloseDisplay( p_vout->p_sys->p_display );
 340
 341     /* Destroy structure */
 342     vlc_mutex_destroy( &p_vout->p_sys->lock );
 343     free( p_vout->p_sys );
 344 }
 345
 346 /*****************************************************************************
 347  * InitVideo: initialize X11 video thread output method
 348  *****************************************************************************
 349  * This function create the XImages needed by the output thread. It is called
 350  * at the beginning of the thread, but also each time the window is resized.
 351  *****************************************************************************/
 352 static int InitVideo( vout_thread_t *p_vout )
 353 {
 354     int i_index;
 355     picture_t *p_pic;
 356
 357     I_OUTPUTPICTURES = 0;
 358
 359 #ifdef MODULE_NAME_IS_xvideo
 360     /* Initialize the output structure; we already found an XVideo port,
 361      * and the corresponding chroma we will be using. Since we can
 362      * arbitrary scale, stick to the coordinates and aspect. */
 363     p_vout->output.i_width  = p_vout->render.i_width;
 364     p_vout->output.i_height = p_vout->render.i_height;
 365     p_vout->output.i_aspect = p_vout->render.i_aspect;
 366
 367     switch( p_vout->output.i_chroma )
 368     {
 369         case VLC_FOURCC('R','V','1','5'):
 370             p_vout->output.i_rmask = 0x001f;
 371             p_vout->output.i_gmask = 0x07e0;
 372             p_vout->output.i_bmask = 0xf800;
 373             break;
 374         case VLC_FOURCC('R','V','1','6'):
 375             p_vout->output.i_rmask = 0x001f;
 376             p_vout->output.i_gmask = 0x03e0;
 377             p_vout->output.i_bmask = 0x7c00;
 378             break;
 379     }
 380
 381 #elif defined(MODULE_NAME_IS_x11)
 382     /* Initialize the output structure: RGB with square pixels, whatever
 383      * the input format is, since it's the only format we know */
 384     switch( p_vout->p_sys->i_screen_depth )
 385     {
 386         case 8: /* FIXME: set the palette */
 387             p_vout->output.i_chroma = VLC_FOURCC('R','G','B','2'); break;
 388         case 15:
 389             p_vout->output.i_chroma = VLC_FOURCC('R','V','1','5'); break;
 390         case 16:
 391             p_vout->output.i_chroma = VLC_FOURCC('R','V','1','6'); break;
 392         case 24:
 393         case 32:
 394             p_vout->output.i_chroma = VLC_FOURCC('R','V','3','2'); break;
 395         default:
 396             msg_Err( p_vout, "unknown screen depth %i",
 397                      p_vout->p_sys->i_screen_depth );
 398             return VLC_SUCCESS;
 399     }
 400
 401     vout_PlacePicture( p_vout, p_vout->p_sys->p_win->i_width,
 402                        p_vout->p_sys->p_win->i_height,
 403                        &i_index, &i_index,
 404                        &p_vout->output.i_width, &p_vout->output.i_height );
 405
 406     /* Assume we have square pixels */
 407     p_vout->output.i_aspect = p_vout->output.i_width
 408                                * VOUT_ASPECT_FACTOR / p_vout->output.i_height;
 409 #endif
 410
 411     /* Try to initialize up to MAX_DIRECTBUFFERS direct buffers */
 412     while( I_OUTPUTPICTURES < MAX_DIRECTBUFFERS )
 413     {
 414         p_pic = NULL;
 415
 416         /* Find an empty picture slot */
 417         for( i_index = 0 ; i_index < VOUT_MAX_PICTURES ; i_index++ )
 418         {
 419           if( p_vout->p_picture[ i_index ].i_status == FREE_PICTURE )
 420             {
 421                 p_pic = p_vout->p_picture + i_index;
 422                 break;
 423             }
 424         }
 425
 426         /* Allocate the picture */
 427         if( p_pic == NULL || NewPicture( p_vout, p_pic ) )
 428         {
 429             break;
 430         }
 431
 432         p_pic->i_status = DESTROYED_PICTURE;
 433         p_pic->i_type   = DIRECT_PICTURE;
 434
 435         PP_OUTPUTPICTURE[ I_OUTPUTPICTURES ] = p_pic;
 436
 437         I_OUTPUTPICTURES++;
 438     }
 439
 440     if( p_vout->output.i_chroma == VLC_FOURCC('Y','V','1','2') )
 441     {
 442         /* U and V inverted compared to I420
 443          * Fixme: this should be handled by the vout core */
 444         p_vout->output.i_chroma = VLC_FOURCC('I','4','2','0');
 445     }
 446
 447     return VLC_SUCCESS;
 448 }
 449
 450 /*****************************************************************************
 451  * DisplayVideo: displays previously rendered output
 452  *****************************************************************************
 453  * This function sends the currently rendered image to X11 server.
 454  * (The Xv extension takes care of "double-buffering".)
 455  *****************************************************************************/
 456 static void DisplayVideo( vout_thread_t *p_vout, picture_t *p_pic )
 457 {
 458     int i_width, i_height, i_x, i_y;
 459
 460     vout_PlacePicture( p_vout, p_vout->p_sys->p_win->i_width,
 461                        p_vout->p_sys->p_win->i_height,
 462                        &i_x, &i_y, &i_width, &i_height );
 463
 464     vlc_mutex_lock( &p_vout->p_sys->lock );
 465
 466 #ifdef HAVE_SYS_SHM_H
 467     if( p_vout->p_sys->b_shm )
 468     {
 469         /* Display rendered image using shared memory extension */
 470 #   ifdef MODULE_NAME_IS_xvideo
 471         XvShmPutImage( p_vout->p_sys->p_display, p_vout->p_sys->i_xvport,
 472                        p_vout->p_sys->p_win->video_window,
 473                        p_vout->p_sys->p_win->gc, p_pic->p_sys->p_image,
 474                        0 /*src_x*/, 0 /*src_y*/,
 475                        p_vout->output.i_width, p_vout->output.i_height,
 476                        0 /*dest_x*/, 0 /*dest_y*/, i_width, i_height,
 477                        False /* Don't put True here or you'll waste your CPU */ );
 478 #   else
 479         XShmPutImage( p_vout->p_sys->p_display,
 480                       p_vout->p_sys->p_win->video_window,
 481                       p_vout->p_sys->p_win->gc, p_pic->p_sys->p_image,
 482                       0 /*src_x*/, 0 /*src_y*/, 0 /*dest_x*/, 0 /*dest_y*/,
 483                       p_vout->output.i_width, p_vout->output.i_height,
 484                       False /* Don't put True here ! */ );
 485 #   endif
 486     }
 487     else
 488 #endif /* HAVE_SYS_SHM_H */
 489     {
 490         /* Use standard XPutImage -- this is gonna be slow ! */
 491 #ifdef MODULE_NAME_IS_xvideo
 492         XvPutImage( p_vout->p_sys->p_display, p_vout->p_sys->i_xvport,
 493                     p_vout->p_sys->p_win->video_window,
 494                     p_vout->p_sys->p_win->gc, p_pic->p_sys->p_image,
 495                     0 /*src_x*/, 0 /*src_y*/,
 496                     p_vout->output.i_width, p_vout->output.i_height,
 497                     0 /*dest_x*/, 0 /*dest_y*/, i_width, i_height );
 498 #else
 499         XPutImage( p_vout->p_sys->p_display,
 500                    p_vout->p_sys->p_win->video_window,
 501                    p_vout->p_sys->p_win->gc, p_pic->p_sys->p_image,
 502                    0 /*src_x*/, 0 /*src_y*/, 0 /*dest_x*/, 0 /*dest_y*/,
 503                    p_vout->output.i_width, p_vout->output.i_height );
 504 #endif
 505     }
 506
 507     /* Make sure the command is sent now - do NOT use XFlush !*/
 508     XSync( p_vout->p_sys->p_display, False );
 509
 510     vlc_mutex_unlock( &p_vout->p_sys->lock );
 511 }
 512
 513 /*****************************************************************************
 514  * ManageVideo: handle X11 events
 515  *****************************************************************************
 516  * This function should be called regularly by video output thread. It manages
 517  * X11 events and allows window resizing. It returns a non null value on
 518  * error.
 519  *****************************************************************************/
 520 static int ManageVideo( vout_thread_t *p_vout )
 521 {
 522     XEvent      xevent;                                         /* X11 event */
 523     vlc_value_t val;
 524
 525     vlc_mutex_lock( &p_vout->p_sys->lock );
 526
 527     /* Handle events from the owner window */
 528     if( p_vout->p_sys->p_win->owner_window )
 529     {
 530         while( XCheckWindowEvent( p_vout->p_sys->p_display,
 531                                   p_vout->p_sys->p_win->owner_window,
 532                                   StructureNotifyMask, &xevent ) == True )
 533         {
 534             /* ConfigureNotify event: prepare  */
 535             if( xevent.type == ConfigureNotify )
 536             {
 537                 /* Update dimensions */
 538                 XResizeWindow( p_vout->p_sys->p_display,
 539                                p_vout->p_sys->p_win->base_window,
 540                                xevent.xconfigure.width,
 541                                xevent.xconfigure.height );
 542             }
 543         }
 544     }
 545
 546     /* Handle X11 events: ConfigureNotify events are parsed to know if the
 547      * output window's size changed, MapNotify and UnmapNotify to know if the
 548      * window is mapped (and if the display is useful), and ClientMessages
 549      * to intercept window destruction requests */
 550
 551     while( XCheckWindowEvent( p_vout->p_sys->p_display,
 552                               p_vout->p_sys->p_win->base_window,
 553                               StructureNotifyMask | KeyPressMask |
 554                               ButtonPressMask | ButtonReleaseMask |
 555                               PointerMotionMask | Button1MotionMask , &xevent )
 556            == True )
 557     {
 558         /* ConfigureNotify event: prepare  */
 559         if( xevent.type == ConfigureNotify )
 560         {
 561             if( (unsigned int)xevent.xconfigure.width
 562                    != p_vout->p_sys->p_win->i_width
 563               || (unsigned int)xevent.xconfigure.height
 564                     != p_vout->p_sys->p_win->i_height )
 565             {
 566                 /* Update dimensions */
 567                 p_vout->i_changes |= VOUT_SIZE_CHANGE;
 568                 p_vout->p_sys->p_win->i_width = xevent.xconfigure.width;
 569                 p_vout->p_sys->p_win->i_height = xevent.xconfigure.height;
 570             }
 571         }
 572         /* Keyboard event */
 573         else if( xevent.type == KeyPress )
 574         {
 575             unsigned int state = xevent.xkey.state;
 576             KeySym x_key_symbol;
 577             char i_key;                                   /* ISO Latin-1 key */
 578
 579             /* We may have keys like F1 trough F12, ESC ... */
 580             x_key_symbol = XKeycodeToKeysym( p_vout->p_sys->p_display,
 581                                              xevent.xkey.keycode, 0 );
 582             val.i_int = ConvertKey( (int)x_key_symbol );
 583
 584             xevent.xkey.state &= ~ShiftMask;
 585             xevent.xkey.state &= ~ControlMask;
 586             xevent.xkey.state &= ~Mod1Mask;
 587
 588             if( !val.i_int &&
 589                 XLookupString( &xevent.xkey, &i_key, 1, NULL, NULL ) )
 590             {
 591                 /* "Normal Keys"
 592                  * The reason why I use this instead of XK_0 is that
 593                  * with XLookupString, we don't have to care about
 594                  * keymaps. */
 595                 val.i_int = i_key;
 596             }
 597
 598             if( val.i_int )
 599             {
 600                 if( state & ShiftMask )
 601                 {
 602                     val.i_int |= KEY_MODIFIER_SHIFT;
 603                 }
 604                 if( state & ControlMask )
 605                 {
 606                     val.i_int |= KEY_MODIFIER_CTRL;
 607                 }
 608                 if( state & Mod1Mask )
 609                 {
 610                     val.i_int |= KEY_MODIFIER_ALT;
 611                 }
 612                 var_Set( p_vout->p_vlc, "key-pressed", val );
 613             }
 614         }
 615         /* Mouse click */
 616         else if( xevent.type == ButtonPress )
 617         {
 618             switch( ((XButtonEvent *)&xevent)->button )
 619             {
 620                 case Button1:
 621                     var_Get( p_vout, "mouse-button-down", &val );
 622                     val.i_int |= 1;
 623                     var_Set( p_vout, "mouse-button-down", val );
 624
 625                     /* detect double-clicks */
 626                     if( ( ((XButtonEvent *)&xevent)->time -
 627                           p_vout->p_sys->i_time_button_last_pressed ) < 300 )
 628                     {
 629                         p_vout->i_changes |= VOUT_FULLSCREEN_CHANGE;
 630                     }
 631
 632                     p_vout->p_sys->i_time_button_last_pressed =
 633                         ((XButtonEvent *)&xevent)->time;
 634                     break;
 635                 case Button2:
 636                     var_Get( p_vout, "mouse-button-down", &val );
 637                     val.i_int |= 2;
 638                     var_Set( p_vout, "mouse-button-down", val );
 639                     break;
 640
 641                 case Button3:
 642                     var_Get( p_vout, "mouse-button-down", &val );
 643                     val.i_int |= 4;
 644                     var_Set( p_vout, "mouse-button-down", val );
 645                     break;
 646
 647                 case Button4:
 648                     var_Get( p_vout, "mouse-button-down", &val );
 649                     val.i_int |= 8;
 650                     var_Set( p_vout, "mouse-button-down", val );
 651                     break;
 652
 653                 case Button5:
 654                     var_Get( p_vout, "mouse-button-down", &val );
 655                     val.i_int |= 16;
 656                     var_Set( p_vout, "mouse-button-down", val );
 657                     break;
 658             }
 659         }
 660         /* Mouse release */
 661         else if( xevent.type == ButtonRelease )
 662         {
 663             switch( ((XButtonEvent *)&xevent)->button )
 664             {
 665                 case Button1:
 666                     var_Get( p_vout, "mouse-button-down", &val );
 667                     val.i_int &= ~1;
 668                     var_Set( p_vout, "mouse-button-down", val );
 669
 670                     val.b_bool = VLC_TRUE;
 671                     var_Set( p_vout, "mouse-clicked", val );
 672                     break;
 673
 674                 case Button2:
 675                     {
 676                         playlist_t *p_playlist;
 677
 678                         var_Get( p_vout, "mouse-button-down", &val );
 679                         val.i_int &= ~2;
 680                         var_Set( p_vout, "mouse-button-down", val );
 681
 682                         p_playlist = vlc_object_find( p_vout,
 683                                                       VLC_OBJECT_PLAYLIST,
 684                                                       FIND_ANYWHERE );
 685                         if( p_playlist != NULL )
 686                         {
 687                             vlc_value_t val;
 688                             var_Get( p_playlist, "intf-show", &val );
 689                             val.b_bool = !val.b_bool;
 690                             var_Set( p_playlist, "intf-show", val );
 691                             vlc_object_release( p_playlist );
 692                         }
 693                     }
 694                     break;
 695
 696                 case Button3:
 697                     {
 698                         intf_thread_t *p_intf;
 699                         playlist_t *p_playlist;
 700
 701                         var_Get( p_vout, "mouse-button-down", &val );
 702                         val.i_int &= ~4;
 703                         var_Set( p_vout, "mouse-button-down", val );
 704                         p_intf = vlc_object_find( p_vout, VLC_OBJECT_INTF,
 705                                                           FIND_ANYWHERE );
 706                         if( p_intf )
 707                         {
 708                             p_intf->b_menu_change = 1;
 709                             vlc_object_release( p_intf );
 710                         }
 711
 712                         p_playlist = vlc_object_find( p_vout,
 713                                                       VLC_OBJECT_PLAYLIST,
 714                                                       FIND_ANYWHERE );
 715                         if( p_playlist != NULL )
 716                         {
 717                             vlc_value_t val; val.b_bool = VLC_TRUE;
 718                             var_Set( p_playlist, "intf-popupmenu", val );
 719                             vlc_object_release( p_playlist );
 720                         }
 721                     }
 722                     break;
 723
 724                 case Button4:
 725                     var_Get( p_vout, "mouse-button-down", &val );
 726                     val.i_int &= ~8;
 727                     var_Set( p_vout, "mouse-button-down", val );
 728                     break;
 729
 730                 case Button5:
 731                     var_Get( p_vout, "mouse-button-down", &val );
 732                     val.i_int &= ~16;
 733                     var_Set( p_vout, "mouse-button-down", val );
 734                     break;
 735
 736             }
 737         }
 738         /* Mouse move */
 739         else if( xevent.type == MotionNotify )
 740         {
 741             int i_width, i_height, i_x, i_y;
 742             vlc_value_t val;
 743
 744             /* somewhat different use for vout_PlacePicture:
 745              * here the values are needed to give to mouse coordinates
 746              * in the original picture space */
 747             vout_PlacePicture( p_vout, p_vout->p_sys->p_win->i_width,
 748                                p_vout->p_sys->p_win->i_height,
 749                                &i_x, &i_y, &i_width, &i_height );
 750
 751             val.i_int = ( xevent.xmotion.x - i_x )
 752                          * p_vout->render.i_width / i_width;
 753             var_Set( p_vout, "mouse-x", val );
 754             val.i_int = ( xevent.xmotion.y - i_y )
 755                          * p_vout->render.i_height / i_height;
 756             var_Set( p_vout, "mouse-y", val );
 757
 758             val.b_bool = VLC_TRUE;
 759             var_Set( p_vout, "mouse-moved", val );
 760
 761             p_vout->p_sys->i_time_mouse_last_moved = mdate();
 762             if( ! p_vout->p_sys->b_mouse_pointer_visible )
 763             {
 764                 ToggleCursor( p_vout );
 765             }
 766         }
 767         else if( xevent.type == ReparentNotify /* XXX: why do we get this? */
 768                   || xevent.type == MapNotify
 769                   || xevent.type == UnmapNotify )
 770         {
 771             /* Ignore these events */
 772         }
 773         else /* Other events */
 774         {
 775             msg_Warn( p_vout, "unhandled event %d received", xevent.type );
 776         }
 777     }
 778
 779     /* Handle events for video output sub-window */
 780     while( XCheckWindowEvent( p_vout->p_sys->p_display,
 781                               p_vout->p_sys->p_win->video_window,
 782                               ExposureMask, &xevent ) == True )
 783     {
 784         /* Window exposed (only handled if stream playback is paused) */
 785         if( xevent.type == Expose )
 786         {
 787             if( ((XExposeEvent *)&xevent)->count == 0 )
 788             {
 789                 /* (if this is the last a collection of expose events...) */
 790 #if 0
 791                 if( p_vout->p_vlc->p_input_bank->pp_input[0] != NULL )
 792                 {
 793                     if( PAUSE_S == p_vout->p_vlc->p_input_bank->pp_input[0]
 794                                                    ->stream.control.i_status )
 795                     {
 796                         /* XVideoDisplay( p_vout )*/;
 797                     }
 798                 }
 799 #endif
 800             }
 801         }
 802     }
 803
 804     /* ClientMessage event - only WM_PROTOCOLS with WM_DELETE_WINDOW data
 805      * are handled - according to the man pages, the format is always 32
 806      * in this case */
 807     while( XCheckTypedEvent( p_vout->p_sys->p_display,
 808                              ClientMessage, &xevent ) )
 809     {
 810         if( (xevent.xclient.message_type == p_vout->p_sys->p_win->wm_protocols)
 811                && ((Atom)xevent.xclient.data.l[0]
 812                      == p_vout->p_sys->p_win->wm_delete_window ) )
 813         {
 814             /* the user wants to close the window */
 815             playlist_t * p_playlist =
 816                 (playlist_t *)vlc_object_find( p_vout, VLC_OBJECT_PLAYLIST,
 817                                                FIND_ANYWHERE );
 818             if( p_playlist != NULL )
 819             {
 820                 playlist_Stop( p_playlist );
 821                 vlc_object_release( p_playlist );
 822             }
 823         }
 824     }
 825
 826     /*
 827      * Fullscreen Change
 828      */
 829     if ( p_vout->i_changes & VOUT_FULLSCREEN_CHANGE )
 830     {
 831         vlc_value_t val;
 832
 833         /* Update the object variable and trigger callback */
 834         val.b_bool = !p_vout->b_fullscreen;
 835         var_Set( p_vout, "fullscreen", val );
 836
 837         ToggleFullScreen( p_vout );
 838         p_vout->i_changes &= ~VOUT_FULLSCREEN_CHANGE;
 839     }
 840
 841     /*
 842      * Size change
 843      *
 844      * (Needs to be placed after VOUT_FULLSREEN_CHANGE because we can activate
 845      *  the size flag inside the fullscreen routine)
 846      */
 847     if( p_vout->i_changes & VOUT_SIZE_CHANGE )
 848     {
 849         int i_width, i_height, i_x, i_y;
 850
 851         p_vout->i_changes &= ~VOUT_SIZE_CHANGE;
 852
 853 #ifdef MODULE_NAME_IS_x11
 854         /* We need to signal the vout thread about the size change because it
 855          * is doing the rescaling */
 856         p_vout->i_changes |= VOUT_SIZE_CHANGE;
 857 #endif
 858
 859         vout_PlacePicture( p_vout, p_vout->p_sys->p_win->i_width,
 860                            p_vout->p_sys->p_win->i_height,
 861                            &i_x, &i_y, &i_width, &i_height );
 862
 863         XMoveResizeWindow( p_vout->p_sys->p_display,
 864                            p_vout->p_sys->p_win->video_window,
 865                            i_x, i_y, i_width, i_height );
 866     }
 867
 868     /* Autohide Cursour */
 869     if( mdate() - p_vout->p_sys->i_time_mouse_last_moved > 2000000 )
 870     {
 871         /* Hide the mouse automatically */
 872         if( p_vout->p_sys->b_mouse_pointer_visible )
 873         {
 874             ToggleCursor( p_vout );
 875         }
 876     }
 877
 878     vlc_mutex_unlock( &p_vout->p_sys->lock );
 879
 880     return 0;
 881 }
 882
 883 /*****************************************************************************
 884  * EndVideo: terminate X11 video thread output method
 885  *****************************************************************************
 886  * Destroy the X11 XImages created by Init. It is called at the end of
 887  * the thread, but also each time the window is resized.
 888  *****************************************************************************/
 889 static void EndVideo( vout_thread_t *p_vout )
 890 {
 891     int i_index;
 892
 893     /* Free the direct buffers we allocated */
 894     for( i_index = I_OUTPUTPICTURES ; i_index ; )
 895     {
 896         i_index--;
 897         FreePicture( p_vout, PP_OUTPUTPICTURE[ i_index ] );
 898     }
 899 }
 900
 901 /* following functions are local */
 902
 903 /*****************************************************************************
 904  * CreateWindow: open and set-up X11 main window
 905  *****************************************************************************/
 906 static int CreateWindow( vout_thread_t *p_vout, x11_window_t *p_win )
 907 {
 908     XSizeHints              xsize_hints;
 909     XSetWindowAttributes    xwindow_attributes;
 910     XGCValues               xgcvalues;
 911     XEvent                  xevent;
 912
 913     vlc_bool_t              b_expose = VLC_FALSE;
 914     vlc_bool_t              b_configure_notify = VLC_FALSE;
 915     vlc_bool_t              b_map_notify = VLC_FALSE;
 916
 917     /* Prepare window manager hints and properties */
 918     p_win->wm_protocols =
 919              XInternAtom( p_vout->p_sys->p_display, "WM_PROTOCOLS", True );
 920     p_win->wm_delete_window =
 921              XInternAtom( p_vout->p_sys->p_display, "WM_DELETE_WINDOW", True );
 922
 923     /* Never have a 0-pixel-wide window */
 924     xsize_hints.min_width = 2;
 925     xsize_hints.min_height = 1;
 926
 927     /* Prepare window attributes */
 928     xwindow_attributes.backing_store = Always;       /* save the hidden part */
 929     xwindow_attributes.background_pixel = BlackPixel(p_vout->p_sys->p_display,
 930                                                      p_vout->p_sys->i_screen);
 931     xwindow_attributes.event_mask = ExposureMask | StructureNotifyMask;
 932
 933     if( !p_vout->b_fullscreen )
 934     {
 935         p_win->owner_window =
 936             (Window)vout_RequestWindow( p_vout, &p_win->i_x, &p_win->i_y,
 937                                         &p_win->i_width, &p_win->i_height );
 938
 939         xsize_hints.base_width  = xsize_hints.width = p_win->i_width;
 940         xsize_hints.base_height = xsize_hints.height = p_win->i_height;
 941         xsize_hints.flags       = PSize | PMinSize;
 942
 943         if( p_win->i_x >=0 || p_win->i_y >= 0 )
 944         {
 945             xsize_hints.x = p_win->i_x;
 946             xsize_hints.y = p_win->i_y;
 947             xsize_hints.flags |= PPosition;
 948         }
 949     }
 950     else
 951     {
 952         /* Fullscreen window size and position */
 953         p_win->owner_window = 0;
 954         p_win->i_x = p_win->i_y = 0;
 955         p_win->i_width =
 956             DisplayWidth( p_vout->p_sys->p_display, p_vout->p_sys->i_screen );
 957         p_win->i_height =
 958             DisplayHeight( p_vout->p_sys->p_display, p_vout->p_sys->i_screen );
 959     }
 960
 961     if( !p_win->owner_window )
 962     {
 963         /* Create the window and set hints - the window must receive
 964          * ConfigureNotify events, and until it is displayed, Expose and
 965          * MapNotify events. */
 966
 967         p_win->base_window =
 968             XCreateWindow( p_vout->p_sys->p_display,
 969                            DefaultRootWindow( p_vout->p_sys->p_display ),
 970                            p_win->i_x, p_win->i_y,
 971                            p_win->i_width, p_win->i_height,
 972                            0,
 973                            0, InputOutput, 0,
 974                            CWBackingStore | CWBackPixel | CWEventMask,
 975                            &xwindow_attributes );
 976
 977         if( !p_vout->b_fullscreen )
 978         {
 979             /* Set window manager hints and properties: size hints, command,
 980              * window's name, and accepted protocols */
 981             XSetWMNormalHints( p_vout->p_sys->p_display,
 982                                p_win->base_window, &xsize_hints );
 983             XSetCommand( p_vout->p_sys->p_display, p_win->base_window,
 984                          p_vout->p_vlc->ppsz_argv, p_vout->p_vlc->i_argc );
 985
 986             XStoreName( p_vout->p_sys->p_display, p_win->base_window,
 987 #ifdef MODULE_NAME_IS_x11
 988                         VOUT_TITLE " (X11 output)"
 989 #elif defined(MODULE_NAME_IS_glx)
 990                         VOUT_TITLE " (GLX output)"
 991 #else
 992                         VOUT_TITLE " (XVideo output)"
 993 #endif
 994                       );
 995         }
 996     }
 997     else
 998     {
 999         Window dummy1;
1000         unsigned int dummy2, dummy3;
1001
1002         /* Select events we are interested in. */
1003         XSelectInput( p_vout->p_sys->p_display, p_win->owner_window,
1004                       StructureNotifyMask );
1005
1006         /* Get the parent window's geometry information */
1007         XGetGeometry( p_vout->p_sys->p_display, p_win->owner_window,
1008                       &dummy1, &dummy2, &dummy3,
1009                       &p_win->i_width,
1010                       &p_win->i_height,
1011                       &dummy2, &dummy3 );
1012
1013         /* We are already configured */
1014         b_configure_notify = VLC_TRUE;
1015
1016         /* From man XSelectInput: only one client at a time can select a
1017          * ButtonPress event, so we need to open a new window anyway. */
1018         p_win->base_window =
1019             XCreateWindow( p_vout->p_sys->p_display,
1020                            p_win->owner_window,
1021                            0, 0,
1022                            p_win->i_width, p_win->i_height,
1023                            0,
1024                            0, CopyFromParent, 0,
1025                            CWBackingStore | CWBackPixel | CWEventMask,
1026                            &xwindow_attributes );
1027     }
1028
1029     if( (p_win->wm_protocols == None)        /* use WM_DELETE_WINDOW */
1030         || (p_win->wm_delete_window == None)
1031         || !XSetWMProtocols( p_vout->p_sys->p_display, p_win->base_window,
1032                              &p_win->wm_delete_window, 1 ) )
1033     {
1034         /* WM_DELETE_WINDOW is not supported by window manager */
1035         msg_Warn( p_vout, "missing or bad window manager" );
1036     }
1037
1038     /* Creation of a graphic context that doesn't generate a GraphicsExpose
1039      * event when using functions like XCopyArea */
1040     xgcvalues.graphics_exposures = False;
1041     p_win->gc = XCreateGC( p_vout->p_sys->p_display,
1042                            p_win->base_window,
1043                            GCGraphicsExposures, &xgcvalues );
1044
1045     /* Send orders to server, and wait until window is displayed - three
1046      * events must be received: a MapNotify event, an Expose event allowing
1047      * drawing in the window, and a ConfigureNotify to get the window
1048      * dimensions. Once those events have been received, only
1049      * ConfigureNotify events need to be received. */
1050     XMapWindow( p_vout->p_sys->p_display, p_win->base_window );
1051     do
1052     {
1053         XWindowEvent( p_vout->p_sys->p_display, p_win->base_window,
1054                       SubstructureNotifyMask | StructureNotifyMask |
1055                       ExposureMask, &xevent);
1056         if( (xevent.type == Expose)
1057             && (xevent.xexpose.window == p_win->base_window) )
1058         {
1059             b_expose = VLC_TRUE;
1060             /* ConfigureNotify isn't sent if there isn't a window manager.
1061              * Expose should be the last event to be received so it should
1062              * be fine to assume we won't receive it anymore. */
1063             b_configure_notify = VLC_TRUE;
1064         }
1065         else if( (xevent.type == MapNotify)
1066                  && (xevent.xmap.window == p_win->base_window) )
1067         {
1068             b_map_notify = VLC_TRUE;
1069         }
1070         else if( (xevent.type == ConfigureNotify)
1071                  && (xevent.xconfigure.window == p_win->base_window) )
1072         {
1073             b_configure_notify = VLC_TRUE;
1074             p_win->i_width = xevent.xconfigure.width;
1075             p_win->i_height = xevent.xconfigure.height;
1076         }
1077     } while( !( b_expose && b_configure_notify && b_map_notify ) );
1078
1079     XSelectInput( p_vout->p_sys->p_display, p_win->base_window,
1080                   StructureNotifyMask | KeyPressMask |
1081                   ButtonPressMask | ButtonReleaseMask |
1082                   PointerMotionMask );
1083
1084 #ifdef MODULE_NAME_IS_x11
1085     if( XDefaultDepth(p_vout->p_sys->p_display, p_vout->p_sys->i_screen) == 8 )
1086     {
1087         /* Allocate a new palette */
1088         p_vout->p_sys->colormap =
1089             XCreateColormap( p_vout->p_sys->p_display,
1090                              DefaultRootWindow( p_vout->p_sys->p_display ),
1091                              DefaultVisual( p_vout->p_sys->p_display,
1092                                             p_vout->p_sys->i_screen ),
1093                              AllocAll );
1094
1095         xwindow_attributes.colormap = p_vout->p_sys->colormap;
1096         XChangeWindowAttributes( p_vout->p_sys->p_display, p_win->base_window,
1097                                  CWColormap, &xwindow_attributes );
1098     }
1099 #endif
1100
1101     /* Create video output sub-window. */
1102     p_win->video_window =  XCreateSimpleWindow(
1103                                       p_vout->p_sys->p_display,
1104                                       p_win->base_window, 0, 0,
1105                                       p_win->i_width, p_win->i_height,
1106                                       0,
1107                                       BlackPixel( p_vout->p_sys->p_display,
1108                                                   p_vout->p_sys->i_screen ),
1109                                       WhitePixel( p_vout->p_sys->p_display,
1110                                                   p_vout->p_sys->i_screen ) );
1111
1112     XSetWindowBackground( p_vout->p_sys->p_display, p_win->video_window,
1113                           BlackPixel( p_vout->p_sys->p_display,
1114                                       p_vout->p_sys->i_screen ) );
1115
1116     XMapWindow( p_vout->p_sys->p_display, p_win->video_window );
1117     XSelectInput( p_vout->p_sys->p_display, p_win->video_window,
1118                   ExposureMask );
1119
1120     /* make sure the video window will be centered in the next ManageVideo() */
1121     p_vout->i_changes |= VOUT_SIZE_CHANGE;
1122
1123     /* If the cursor was formerly blank than blank it again */
1124     if( !p_vout->p_sys->b_mouse_pointer_visible )
1125     {
1126         ToggleCursor( p_vout );
1127         ToggleCursor( p_vout );
1128     }
1129
1130     /* Do NOT use XFlush here ! */
1131     XSync( p_vout->p_sys->p_display, False );
1132
1133     /* At this stage, the window is open, displayed, and ready to
1134      * receive data */
1135     p_vout->p_sys->p_win = p_win;
1136
1137     return VLC_SUCCESS;
1138 }
1139
1140 /*****************************************************************************
1141  * DestroyWindow: destroy the window
1142  *****************************************************************************
1143  *
1144  *****************************************************************************/
1145 static void DestroyWindow( vout_thread_t *p_vout, x11_window_t *p_win )
1146 {
1147     /* Do NOT use XFlush here ! */
1148     XSync( p_vout->p_sys->p_display, False );
1149
1150     if( p_win->video_window != None )
1151         XDestroyWindow( p_vout->p_sys->p_display, p_win->video_window );
1152
1153     XFreeGC( p_vout->p_sys->p_display, p_win->gc );
1154
1155     XUnmapWindow( p_vout->p_sys->p_display, p_win->base_window );
1156     XDestroyWindow( p_vout->p_sys->p_display, p_win->base_window );
1157
1158     if( p_win->owner_window )
1159         vout_ReleaseWindow( p_vout, (void *)p_win->owner_window );
1160 }
1161
1162 /*****************************************************************************
1163  * NewPicture: allocate a picture
1164  *****************************************************************************
1165  * Returns 0 on success, -1 otherwise
1166  *****************************************************************************/
1167 static int NewPicture( vout_thread_t *p_vout, picture_t *p_pic )
1168 {
1169 #ifndef MODULE_NAME_IS_glx
1170
1171 #ifdef MODULE_NAME_IS_xvideo
1172     int i_plane;
1173 #endif
1174
1175     /* We know the chroma, allocate a buffer which will be used
1176      * directly by the decoder */
1177     p_pic->p_sys = malloc( sizeof( picture_sys_t ) );
1178
1179     if( p_pic->p_sys == NULL )
1180     {
1181         return -1;
1182     }
1183
1184     /* Fill in picture_t fields */
1185     vout_InitPicture( VLC_OBJECT(p_vout), p_pic, p_vout->output.i_chroma,
1186                       p_vout->output.i_width, p_vout->output.i_height,
1187                       p_vout->output.i_aspect );
1188
1189 #ifdef HAVE_SYS_SHM_H
1190     if( p_vout->p_sys->b_shm )
1191     {
1192         /* Create image using XShm extension */
1193         p_pic->p_sys->p_image =
1194             CreateShmImage( p_vout, p_vout->p_sys->p_display,
1195 #   ifdef MODULE_NAME_IS_xvideo
1196                             p_vout->p_sys->i_xvport,
1197                             VLC2X11_FOURCC(p_vout->output.i_chroma),
1198 #   else
1199                             p_vout->p_sys->p_visual,
1200                             p_vout->p_sys->i_screen_depth,
1201 #   endif
1202                             &p_pic->p_sys->shminfo,
1203                             p_vout->output.i_width, p_vout->output.i_height );
1204     }
1205     else
1206 #endif /* HAVE_SYS_SHM_H */
1207     {
1208         /* Create image without XShm extension */
1209         p_pic->p_sys->p_image =
1210             CreateImage( p_vout, p_vout->p_sys->p_display,
1211 #ifdef MODULE_NAME_IS_xvideo
1212                          p_vout->p_sys->i_xvport,
1213                          VLC2X11_FOURCC(p_vout->output.i_chroma),
1214                          p_pic->format.i_bits_per_pixel,
1215 #else
1216                          p_vout->p_sys->p_visual,
1217                          p_vout->p_sys->i_screen_depth,
1218                          p_vout->p_sys->i_bytes_per_pixel,
1219 #endif
1220                          p_vout->output.i_width, p_vout->output.i_height );
1221     }
1222
1223     if( p_pic->p_sys->p_image == NULL )
1224     {
1225         free( p_pic->p_sys );
1226         return -1;
1227     }
1228
1229     switch( p_vout->output.i_chroma )
1230     {
1231 #ifdef MODULE_NAME_IS_xvideo
1232         case VLC_FOURCC('I','4','2','0'):
1233         case VLC_FOURCC('Y','V','1','2'):
1234         case VLC_FOURCC('Y','2','1','1'):
1235         case VLC_FOURCC('Y','U','Y','2'):
1236         case VLC_FOURCC('U','Y','V','Y'):
1237         case VLC_FOURCC('R','V','1','5'):
1238         case VLC_FOURCC('R','V','1','6'):
1239         case VLC_FOURCC('R','V','2','4'): /* Fixme: pixel pitch == 4 ? */
1240         case VLC_FOURCC('R','V','3','2'):
1241
1242             for( i_plane = 0; i_plane < p_pic->p_sys->p_image->num_planes;
1243                  i_plane++ )
1244             {
1245                 p_pic->p[i_plane].p_pixels = p_pic->p_sys->p_image->data
1246                     + p_pic->p_sys->p_image->offsets[i_plane];
1247                 p_pic->p[i_plane].i_pitch =
1248                     p_pic->p_sys->p_image->pitches[i_plane];
1249             }
1250             if( p_vout->output.i_chroma == VLC_FOURCC('Y','V','1','2') )
1251             {
1252                 /* U and V inverted compared to I420
1253                  * Fixme: this should be handled by the vout core */
1254                 p_pic->U_PIXELS = p_pic->p_sys->p_image->data
1255                     + p_pic->p_sys->p_image->offsets[2];
1256                 p_pic->V_PIXELS = p_pic->p_sys->p_image->data
1257                     + p_pic->p_sys->p_image->offsets[1];
1258             }
1259             break;
1260
1261 #else
1262         case VLC_FOURCC('R','G','B','2'):
1263         case VLC_FOURCC('R','V','1','6'):
1264         case VLC_FOURCC('R','V','1','5'):
1265         case VLC_FOURCC('R','V','2','4'):
1266         case VLC_FOURCC('R','V','3','2'):
1267
1268             p_pic->p->i_lines = p_pic->p_sys->p_image->height;
1269             p_pic->p->i_visible_lines = p_pic->p_sys->p_image->height;
1270             p_pic->p->p_pixels = p_pic->p_sys->p_image->data
1271                                   + p_pic->p_sys->p_image->xoffset;
1272             p_pic->p->i_pitch = p_pic->p_sys->p_image->bytes_per_line;
1273
1274             /* p_pic->p->i_pixel_pitch = 4 for RV24 but this should be set
1275              * properly by vout_InitPicture() */
1276             p_pic->p->i_visible_pitch = p_pic->p->i_pixel_pitch
1277                                          * p_pic->p_sys->p_image->width;
1278             break;
1279 #endif
1280
1281         default:
1282             /* Unknown chroma, tell the guy to get lost */
1283             IMAGE_FREE( p_pic->p_sys->p_image );
1284             free( p_pic->p_sys );
1285             msg_Err( p_vout, "never heard of chroma 0x%.8x (%4.4s)",
1286                      p_vout->output.i_chroma, (char*)&p_vout->output.i_chroma );
1287             p_pic->i_planes = 0;
1288             return -1;
1289     }
1290
1291 #endif /* !MODULE_NAME_IS_glx */
1292
1293     return 0;
1294 }
1295
1296 /*****************************************************************************
1297  * FreePicture: destroy a picture allocated with NewPicture
1298  *****************************************************************************
1299  * Destroy XImage AND associated data. If using Shm, detach shared memory
1300  * segment from server and process, then free it. The XDestroyImage manpage
1301  * says that both the image structure _and_ the data pointed to by the
1302  * image structure are freed, so no need to free p_image->data.
1303  *****************************************************************************/
1304 static void FreePicture( vout_thread_t *p_vout, picture_t *p_pic )
1305 {
1306     /* The order of operations is correct */
1307 #ifdef HAVE_SYS_SHM_H
1308     if( p_vout->p_sys->b_shm )
1309     {
1310         XShmDetach( p_vout->p_sys->p_display, &p_pic->p_sys->shminfo );
1311         IMAGE_FREE( p_pic->p_sys->p_image );
1312
1313         shmctl( p_pic->p_sys->shminfo.shmid, IPC_RMID, 0 );
1314         if( shmdt( p_pic->p_sys->shminfo.shmaddr ) )
1315         {
1316             msg_Err( p_vout, "cannot detach shared memory (%s)",
1317                              strerror(errno) );
1318         }
1319     }
1320     else
1321 #endif
1322     {
1323         IMAGE_FREE( p_pic->p_sys->p_image );
1324     }
1325
1326     /* Do NOT use XFlush here ! */
1327     XSync( p_vout->p_sys->p_display, False );
1328
1329     free( p_pic->p_sys );
1330 }
1331
1332 /*****************************************************************************
1333  * ToggleFullScreen: Enable or disable full screen mode
1334  *****************************************************************************
1335  * This function will switch between fullscreen and window mode.
1336  *****************************************************************************/
1337 static void ToggleFullScreen ( vout_thread_t *p_vout )
1338 {
1339     Atom prop;
1340     XEvent xevent;
1341     mwmhints_t mwmhints;
1342     XSetWindowAttributes attributes;
1343
1344 #ifdef HAVE_XINERAMA
1345     int i_d1, i_d2;
1346 #endif
1347
1348     p_vout->b_fullscreen = !p_vout->b_fullscreen;
1349
1350     if( p_vout->b_fullscreen )
1351     {
1352         msg_Dbg( p_vout, "entering fullscreen mode" );
1353
1354         p_vout->p_sys->b_altfullscreen =
1355             config_GetInt( p_vout, MODULE_STRING "-altfullscreen" );
1356
1357         XUnmapWindow( p_vout->p_sys->p_display,
1358                       p_vout->p_sys->p_win->base_window );
1359
1360         p_vout->p_sys->p_win = &p_vout->p_sys->fullscreen_window;
1361
1362         CreateWindow( p_vout, p_vout->p_sys->p_win );
1363         XDestroyWindow( p_vout->p_sys->p_display,
1364                         p_vout->p_sys->fullscreen_window.video_window );
1365         XReparentWindow( p_vout->p_sys->p_display,
1366                          p_vout->p_sys->original_window.video_window,
1367                          p_vout->p_sys->fullscreen_window.base_window, 0, 0 );
1368         p_vout->p_sys->fullscreen_window.video_window =
1369             p_vout->p_sys->original_window.video_window;
1370
1371         /* To my knowledge there are two ways to create a borderless window.
1372          * There's the generic way which is to tell x to bypass the window
1373          * manager, but this creates problems with the focus of other
1374          * applications.
1375          * The other way is to use the motif property "_MOTIF_WM_HINTS" which
1376          * luckily seems to be supported by most window managers. */
1377         if( !p_vout->p_sys->b_altfullscreen )
1378         {
1379             mwmhints.flags = MWM_HINTS_DECORATIONS;
1380             mwmhints.decorations = False;
1381
1382             prop = XInternAtom( p_vout->p_sys->p_display, "_MOTIF_WM_HINTS",
1383                                 False );
1384             XChangeProperty( p_vout->p_sys->p_display,
1385                              p_vout->p_sys->p_win->base_window,
1386                              prop, prop, 32, PropModeReplace,
1387                              (unsigned char *)&mwmhints,
1388                              PROP_MWM_HINTS_ELEMENTS );
1389         }
1390         else
1391         {
1392             /* brute force way to remove decorations */
1393             attributes.override_redirect = True;
1394             XChangeWindowAttributes( p_vout->p_sys->p_display,
1395                                      p_vout->p_sys->p_win->base_window,
1396                                      CWOverrideRedirect,
1397                                      &attributes);
1398
1399             /* Make sure the change is effective */
1400             XReparentWindow( p_vout->p_sys->p_display,
1401                              p_vout->p_sys->p_win->base_window,
1402                              DefaultRootWindow( p_vout->p_sys->p_display ),
1403                              0, 0 );
1404         }
1405
1406         if( p_vout->p_sys->b_net_wm_state_fullscreen )
1407         {
1408             XClientMessageEvent event;
1409
1410             memset( &event, 0, sizeof( XClientMessageEvent ) );
1411
1412             event.type = ClientMessage;
1413             event.message_type = p_vout->p_sys->net_wm_state;
1414             event.display = p_vout->p_sys->p_display;
1415             event.window = p_vout->p_sys->p_win->base_window;
1416             event.format = 32;
1417             event.data.l[ 0 ] = 1; /* set property */
1418             event.data.l[ 1 ] = p_vout->p_sys->net_wm_state_fullscreen;
1419
1420             XSendEvent( p_vout->p_sys->p_display,
1421                         DefaultRootWindow( p_vout->p_sys->p_display ),
1422                         False, SubstructureRedirectMask,
1423                         (XEvent*)&event );
1424         }
1425
1426         /* Make sure the change is effective */
1427         XReparentWindow( p_vout->p_sys->p_display,
1428                          p_vout->p_sys->p_win->base_window,
1429                          DefaultRootWindow( p_vout->p_sys->p_display ),
1430                          0, 0 );
1431
1432 #ifdef HAVE_XINERAMA
1433         if( XineramaQueryExtension( p_vout->p_sys->p_display, &i_d1, &i_d2 ) &&
1434             XineramaIsActive( p_vout->p_sys->p_display ) )
1435         {
1436             XineramaScreenInfo *screens;   /* infos for xinerama */
1437             int i_num_screens;
1438
1439             msg_Dbg( p_vout, "using XFree Xinerama extension");
1440
1441 #define SCREEN p_vout->p_sys->p_win->i_screen
1442
1443             /* Get Information about Xinerama (num of screens) */
1444             screens = XineramaQueryScreens( p_vout->p_sys->p_display,
1445                                             &i_num_screens );
1446
1447             if( !SCREEN )
1448                 SCREEN = config_GetInt( p_vout,
1449                                         MODULE_STRING "-xineramascreen" );
1450
1451             /* just check that user has entered a good value */
1452             if( SCREEN >= i_num_screens || SCREEN < 0 )
1453             {
1454                 msg_Dbg( p_vout, "requested screen number invalid" );
1455                 SCREEN = 0;
1456             }
1457
1458             /* Get the X/Y upper left corner coordinate of the above screen */
1459             p_vout->p_sys->p_win->i_x = screens[SCREEN].x_org;
1460             p_vout->p_sys->p_win->i_y = screens[SCREEN].y_org;
1461
1462             /* Set the Height/width to the screen resolution */
1463             p_vout->p_sys->p_win->i_width = screens[SCREEN].width;
1464             p_vout->p_sys->p_win->i_height = screens[SCREEN].height;
1465
1466             XFree(screens);
1467
1468 #undef SCREEN
1469
1470         }
1471         else
1472 #endif
1473         {
1474             /* The window wasn't necessarily created at the requested size */
1475             p_vout->p_sys->p_win->i_x = p_vout->p_sys->p_win->i_y = 0;
1476             p_vout->p_sys->p_win->i_width =
1477                 DisplayWidth( p_vout->p_sys->p_display,
1478                               p_vout->p_sys->i_screen );
1479             p_vout->p_sys->p_win->i_height =
1480                 DisplayHeight( p_vout->p_sys->p_display,
1481                                p_vout->p_sys->i_screen );
1482         }
1483
1484         XMoveResizeWindow( p_vout->p_sys->p_display,
1485                            p_vout->p_sys->p_win->base_window,
1486                            p_vout->p_sys->p_win->i_x,
1487                            p_vout->p_sys->p_win->i_y,
1488                            p_vout->p_sys->p_win->i_width,
1489                            p_vout->p_sys->p_win->i_height );
1490     }
1491     else
1492     {
1493         msg_Dbg( p_vout, "leaving fullscreen mode" );
1494
1495         XReparentWindow( p_vout->p_sys->p_display,
1496                          p_vout->p_sys->original_window.video_window,
1497                          p_vout->p_sys->original_window.base_window, 0, 0 );
1498
1499         p_vout->p_sys->fullscreen_window.video_window = None;
1500         DestroyWindow( p_vout, &p_vout->p_sys->fullscreen_window );
1501         p_vout->p_sys->p_win = &p_vout->p_sys->original_window;
1502
1503         XMapWindow( p_vout->p_sys->p_display,
1504                     p_vout->p_sys->p_win->base_window );
1505     }
1506
1507     /* Unfortunately, using XSync() here is not enough to ensure the
1508      * window has already been mapped because the XMapWindow() request
1509      * has not necessarily been sent directly to our window (remember,
1510      * the call is first redirected to the window manager) */
1511     do
1512     {
1513         XWindowEvent( p_vout->p_sys->p_display,
1514                       p_vout->p_sys->p_win->base_window,
1515                       StructureNotifyMask, &xevent );
1516     } while( xevent.type != MapNotify );
1517
1518     /* Be careful, this can generate a BadMatch error if the window is not
1519      * already mapped by the server (see above) */
1520     XSetInputFocus(p_vout->p_sys->p_display,
1521                    p_vout->p_sys->p_win->base_window,
1522                    RevertToParent,
1523                    CurrentTime);
1524
1525     /* signal that the size needs to be updated */
1526     p_vout->i_changes |= VOUT_SIZE_CHANGE;
1527 }
1528
1529 /*****************************************************************************
1530  * EnableXScreenSaver: enable screen saver
1531  *****************************************************************************
1532  * This function enables the screen saver on a display after it has been
1533  * disabled by XDisableScreenSaver.
1534  * FIXME: what happens if multiple vlc sessions are running at the same
1535  *        time ???
1536  *****************************************************************************/
1537 static void EnableXScreenSaver( vout_thread_t *p_vout )
1538 {
1539 #ifdef DPMSINFO_IN_DPMS_H
1540     int dummy;
1541 #endif
1542
1543     if( p_vout->p_sys->i_ss_timeout )
1544     {
1545         XSetScreenSaver( p_vout->p_sys->p_display, p_vout->p_sys->i_ss_timeout,
1546                          p_vout->p_sys->i_ss_interval,
1547                          p_vout->p_sys->i_ss_blanking,
1548                          p_vout->p_sys->i_ss_exposure );
1549     }
1550
1551     /* Restore DPMS settings */
1552 #ifdef DPMSINFO_IN_DPMS_H
1553     if( DPMSQueryExtension( p_vout->p_sys->p_display, &dummy, &dummy ) )
1554     {
1555         if( p_vout->p_sys->b_ss_dpms )
1556         {
1557             DPMSEnable( p_vout->p_sys->p_display );
1558         }
1559     }
1560 #endif
1561 }
1562
1563 /*****************************************************************************
1564  * DisableXScreenSaver: disable screen saver
1565  *****************************************************************************
1566  * See XEnableXScreenSaver
1567  *****************************************************************************/
1568 static void DisableXScreenSaver( vout_thread_t *p_vout )
1569 {
1570 #ifdef DPMSINFO_IN_DPMS_H
1571     int dummy;
1572 #endif
1573
1574     /* Save screen saver information */
1575     XGetScreenSaver( p_vout->p_sys->p_display, &p_vout->p_sys->i_ss_timeout,
1576                      &p_vout->p_sys->i_ss_interval,
1577                      &p_vout->p_sys->i_ss_blanking,
1578                      &p_vout->p_sys->i_ss_exposure );
1579
1580     /* Disable screen saver */
1581     if( p_vout->p_sys->i_ss_timeout )
1582     {
1583         XSetScreenSaver( p_vout->p_sys->p_display, 0,
1584                          p_vout->p_sys->i_ss_interval,
1585                          p_vout->p_sys->i_ss_blanking,
1586                          p_vout->p_sys->i_ss_exposure );
1587     }
1588
1589     /* Disable DPMS */
1590 #ifdef DPMSINFO_IN_DPMS_H
1591     if( DPMSQueryExtension( p_vout->p_sys->p_display, &dummy, &dummy ) )
1592     {
1593         CARD16 unused;
1594         /* Save DPMS current state */
1595         DPMSInfo( p_vout->p_sys->p_display, &unused,
1596                   &p_vout->p_sys->b_ss_dpms );
1597         DPMSDisable( p_vout->p_sys->p_display );
1598    }
1599 #endif
1600 }
1601
1602 /*****************************************************************************
1603  * CreateCursor: create a blank mouse pointer
1604  *****************************************************************************/
1605 static void CreateCursor( vout_thread_t *p_vout )
1606 {
1607     XColor cursor_color;
1608
1609     p_vout->p_sys->cursor_pixmap =
1610         XCreatePixmap( p_vout->p_sys->p_display,
1611                        DefaultRootWindow( p_vout->p_sys->p_display ),
1612                        1, 1, 1 );
1613
1614     XParseColor( p_vout->p_sys->p_display,
1615                  XCreateColormap( p_vout->p_sys->p_display,
1616                                   DefaultRootWindow(
1617                                                     p_vout->p_sys->p_display ),
1618                                   DefaultVisual(
1619                                                 p_vout->p_sys->p_display,
1620                                                 p_vout->p_sys->i_screen ),
1621                                   AllocNone ),
1622                  "black", &cursor_color );
1623
1624     p_vout->p_sys->blank_cursor =
1625         XCreatePixmapCursor( p_vout->p_sys->p_display,
1626                              p_vout->p_sys->cursor_pixmap,
1627                              p_vout->p_sys->cursor_pixmap,
1628                              &cursor_color, &cursor_color, 1, 1 );
1629 }
1630
1631 /*****************************************************************************
1632  * DestroyCursor: destroy the blank mouse pointer
1633  *****************************************************************************/
1634 static void DestroyCursor( vout_thread_t *p_vout )
1635 {
1636     XFreePixmap( p_vout->p_sys->p_display, p_vout->p_sys->cursor_pixmap );
1637 }
1638
1639 /*****************************************************************************
1640  * ToggleCursor: hide or show the mouse pointer
1641  *****************************************************************************
1642  * This function hides the X pointer if it is visible by setting the pointer
1643  * sprite to a blank one. To show it again, we disable the sprite.
1644  *****************************************************************************/
1645 static void ToggleCursor( vout_thread_t *p_vout )
1646 {
1647     if( p_vout->p_sys->b_mouse_pointer_visible )
1648     {
1649         XDefineCursor( p_vout->p_sys->p_display,
1650                        p_vout->p_sys->p_win->base_window,
1651                        p_vout->p_sys->blank_cursor );
1652         p_vout->p_sys->b_mouse_pointer_visible = 0;
1653     }
1654     else
1655     {
1656         XUndefineCursor( p_vout->p_sys->p_display,
1657                          p_vout->p_sys->p_win->base_window );
1658         p_vout->p_sys->b_mouse_pointer_visible = 1;
1659     }
1660 }
1661
1662 #ifdef MODULE_NAME_IS_xvideo
1663 /*****************************************************************************
1664  * XVideoGetPort: get YUV12 port
1665  *****************************************************************************/
1666 static int XVideoGetPort( vout_thread_t *p_vout,
1667                           vlc_fourcc_t i_chroma, vlc_fourcc_t *pi_newchroma )
1668 {
1669     XvAdaptorInfo *p_adaptor;
1670     unsigned int i;
1671     int i_adaptor, i_num_adaptors, i_requested_adaptor;
1672     int i_selected_port;
1673
1674     switch( XvQueryExtension( p_vout->p_sys->p_display, &i, &i, &i, &i, &i ) )
1675     {
1676         case Success:
1677             break;
1678
1679         case XvBadExtension:
1680             msg_Warn( p_vout, "XvBadExtension" );
1681             return -1;
1682
1683         case XvBadAlloc:
1684             msg_Warn( p_vout, "XvBadAlloc" );
1685             return -1;
1686
1687         default:
1688             msg_Warn( p_vout, "XvQueryExtension failed" );
1689             return -1;
1690     }
1691
1692     switch( XvQueryAdaptors( p_vout->p_sys->p_display,
1693                              DefaultRootWindow( p_vout->p_sys->p_display ),
1694                              &i_num_adaptors, &p_adaptor ) )
1695     {
1696         case Success:
1697             break;
1698
1699         case XvBadExtension:
1700             msg_Warn( p_vout, "XvBadExtension for XvQueryAdaptors" );
1701             return -1;
1702
1703         case XvBadAlloc:
1704             msg_Warn( p_vout, "XvBadAlloc for XvQueryAdaptors" );
1705             return -1;
1706
1707         default:
1708             msg_Warn( p_vout, "XvQueryAdaptors failed" );
1709             return -1;
1710     }
1711
1712     i_selected_port = -1;
1713     i_requested_adaptor = config_GetInt( p_vout, "xvideo-adaptor" );
1714
1715     for( i_adaptor = 0; i_adaptor < i_num_adaptors; ++i_adaptor )
1716     {
1717         XvImageFormatValues *p_formats;
1718         int i_format, i_num_formats;
1719         int i_port;
1720
1721         /* If we requested an adaptor and it's not this one, we aren't
1722          * interested */
1723         if( i_requested_adaptor != -1 && i_adaptor != i_requested_adaptor )
1724         {
1725             continue;
1726         }
1727
1728         /* If the adaptor doesn't have the required properties, skip it */
1729         if( !( p_adaptor[ i_adaptor ].type & XvInputMask ) ||
1730             !( p_adaptor[ i_adaptor ].type & XvImageMask ) )
1731         {
1732             continue;
1733         }
1734
1735         /* Check that adaptor supports our requested format... */
1736         p_formats = XvListImageFormats( p_vout->p_sys->p_display,
1737                                         p_adaptor[i_adaptor].base_id,
1738                                         &i_num_formats );
1739
1740         for( i_format = 0;
1741              i_format < i_num_formats && ( i_selected_port == -1 );
1742              i_format++ )
1743         {
1744             XvAttribute     *p_attr;
1745             int             i_attr, i_num_attributes;
1746
1747             /* If this is not the format we want, or at least a
1748              * similar one, forget it */
1749             if( !vout_ChromaCmp( p_formats[ i_format ].id, i_chroma ) )
1750             {
1751                 continue;
1752             }
1753
1754             /* Look for the first available port supporting this format */
1755             for( i_port = p_adaptor[i_adaptor].base_id;
1756                  ( i_port < (int)(p_adaptor[i_adaptor].base_id
1757                                    + p_adaptor[i_adaptor].num_ports) )
1758                    && ( i_selected_port == -1 );
1759                  i_port++ )
1760             {
1761                 if( XvGrabPort( p_vout->p_sys->p_display, i_port, CurrentTime )
1762                      == Success )
1763                 {
1764                     i_selected_port = i_port;
1765                     *pi_newchroma = p_formats[ i_format ].id;
1766                 }
1767             }
1768
1769             /* If no free port was found, forget it */
1770             if( i_selected_port == -1 )
1771             {
1772                 continue;
1773             }
1774
1775             /* If we found a port, print information about it */
1776             msg_Dbg( p_vout, "adaptor %i, port %i, format 0x%x (%4.4s) %s",
1777                      i_adaptor, i_selected_port, p_formats[ i_format ].id,
1778                      (char *)&p_formats[ i_format ].id,
1779                      ( p_formats[ i_format ].format == XvPacked ) ?
1780                          "packed" : "planar" );
1781
1782             /* Make sure XV_AUTOPAINT_COLORKEY is set */
1783             p_attr = XvQueryPortAttributes( p_vout->p_sys->p_display,
1784                                             i_selected_port,
1785                                             &i_num_attributes );
1786
1787             for( i_attr = 0; i_attr < i_num_attributes; i_attr++ )
1788             {
1789                 if( !strcmp( p_attr[i_attr].name, "XV_AUTOPAINT_COLORKEY" ) )
1790                 {
1791                     const Atom autopaint =
1792                         XInternAtom( p_vout->p_sys->p_display,
1793                                      "XV_AUTOPAINT_COLORKEY", False );
1794                     XvSetPortAttribute( p_vout->p_sys->p_display,
1795                                         i_selected_port, autopaint, 1 );
1796                     break;
1797                 }
1798             }
1799
1800             if( p_attr != NULL )
1801             {
1802                 XFree( p_attr );
1803             }
1804         }
1805
1806         if( p_formats != NULL )
1807         {
1808             XFree( p_formats );
1809         }
1810
1811     }
1812
1813     if( i_num_adaptors > 0 )
1814     {
1815         XvFreeAdaptorInfo( p_adaptor );
1816     }
1817
1818     if( i_selected_port == -1 )
1819     {
1820         int i_chroma_tmp = X112VLC_FOURCC( i_chroma );
1821         if( i_requested_adaptor == -1 )
1822         {
1823             msg_Warn( p_vout, "no free XVideo port found for format "
1824                       "0x%.8x (%4.4s)", i_chroma_tmp, (char*)&i_chroma_tmp );
1825         }
1826         else
1827         {
1828             msg_Warn( p_vout, "XVideo adaptor %i does not have a free "
1829                       "XVideo port for format 0x%.8x (%4.4s)",
1830                       i_requested_adaptor, i_chroma_tmp, (char*)&i_chroma_tmp );
1831         }
1832     }
1833
1834     return i_selected_port;
1835 }
1836
1837 /*****************************************************************************
1838  * XVideoReleasePort: release YUV12 port
1839  *****************************************************************************/
1840 static void XVideoReleasePort( vout_thread_t *p_vout, int i_port )
1841 {
1842     XvUngrabPort( p_vout->p_sys->p_display, i_port, CurrentTime );
1843 }
1844 #endif
1845
1846 /*****************************************************************************
1847  * InitDisplay: open and initialize X11 device
1848  *****************************************************************************
1849  * Create a window according to video output given size, and set other
1850  * properties according to the display properties.
1851  *****************************************************************************/
1852 static int InitDisplay( vout_thread_t *p_vout )
1853 {
1854 #ifdef MODULE_NAME_IS_x11
1855     XPixmapFormatValues *       p_formats;                 /* pixmap formats */
1856     XVisualInfo *               p_xvisual;            /* visuals information */
1857     XVisualInfo                 xvisual_template;         /* visual template */
1858     int                         i_count;                       /* array size */
1859 #endif
1860
1861 #ifdef HAVE_SYS_SHM_H
1862     p_vout->p_sys->b_shm = 0;
1863
1864     if( config_GetInt( p_vout, MODULE_STRING "-shm" ) )
1865     {
1866 #   ifdef SYS_DARWIN
1867         /* FIXME: As of 2001-03-16, XFree4 for MacOS X does not support Xshm */
1868 #   else
1869         p_vout->p_sys->b_shm =
1870                   ( XShmQueryExtension( p_vout->p_sys->p_display ) == True );
1871 #   endif
1872
1873         if( !p_vout->p_sys->b_shm )
1874         {
1875             msg_Warn( p_vout, "XShm video extension is unavailable" );
1876         }
1877     }
1878     else
1879     {
1880         msg_Dbg( p_vout, "disabling XShm video extension" );
1881     }
1882
1883 #else
1884     msg_Warn( p_vout, "XShm video extension is unavailable" );
1885
1886 #endif
1887
1888 #ifdef MODULE_NAME_IS_xvideo
1889     /* XXX The brightness and contrast values should be read from environment
1890      * XXX variables... */
1891 #if 0
1892     XVideoSetAttribute( p_vout, "XV_BRIGHTNESS", 0.5 );
1893     XVideoSetAttribute( p_vout, "XV_CONTRAST",   0.5 );
1894 #endif
1895 #endif
1896
1897 #ifdef MODULE_NAME_IS_x11
1898     /* Initialize structure */
1899     p_vout->p_sys->i_screen = DefaultScreen( p_vout->p_sys->p_display );
1900
1901     /* Get screen depth */
1902     p_vout->p_sys->i_screen_depth = XDefaultDepth( p_vout->p_sys->p_display,
1903                                                    p_vout->p_sys->i_screen );
1904     switch( p_vout->p_sys->i_screen_depth )
1905     {
1906     case 8:
1907         /*
1908          * Screen depth is 8bpp. Use PseudoColor visual with private colormap.
1909          */
1910         xvisual_template.screen =   p_vout->p_sys->i_screen;
1911         xvisual_template.class =    DirectColor;
1912         p_xvisual = XGetVisualInfo( p_vout->p_sys->p_display,
1913                                     VisualScreenMask | VisualClassMask,
1914                                     &xvisual_template, &i_count );
1915         if( p_xvisual == NULL )
1916         {
1917             msg_Err( p_vout, "no PseudoColor visual available" );
1918             return VLC_EGENERIC;
1919         }
1920         p_vout->p_sys->i_bytes_per_pixel = 1;
1921         p_vout->output.pf_setpalette = SetPalette;
1922         break;
1923     case 15:
1924     case 16:
1925     case 24:
1926     default:
1927         /*
1928          * Screen depth is higher than 8bpp. TrueColor visual is used.
1929          */
1930         xvisual_template.screen =   p_vout->p_sys->i_screen;
1931         xvisual_template.class =    TrueColor;
1932         p_xvisual = XGetVisualInfo( p_vout->p_sys->p_display,
1933                                     VisualScreenMask | VisualClassMask,
1934                                     &xvisual_template, &i_count );
1935         if( p_xvisual == NULL )
1936         {
1937             msg_Err( p_vout, "no TrueColor visual available" );
1938             return VLC_EGENERIC;
1939         }
1940
1941         p_vout->output.i_rmask = p_xvisual->red_mask;
1942         p_vout->output.i_gmask = p_xvisual->green_mask;
1943         p_vout->output.i_bmask = p_xvisual->blue_mask;
1944
1945         /* There is no difference yet between 3 and 4 Bpp. The only way
1946          * to find the actual number of bytes per pixel is to list supported
1947          * pixmap formats. */
1948         p_formats = XListPixmapFormats( p_vout->p_sys->p_display, &i_count );
1949         p_vout->p_sys->i_bytes_per_pixel = 0;
1950
1951         for( ; i_count-- ; p_formats++ )
1952         {
1953             /* Under XFree4.0, the list contains pixmap formats available
1954              * through all video depths ; so we have to check against current
1955              * depth. */
1956             if( p_formats->depth == (int)p_vout->p_sys->i_screen_depth )
1957             {
1958                 if( p_formats->bits_per_pixel / 8
1959                         > (int)p_vout->p_sys->i_bytes_per_pixel )
1960                 {
1961                     p_vout->p_sys->i_bytes_per_pixel =
1962                                                p_formats->bits_per_pixel / 8;
1963                 }
1964             }
1965         }
1966         break;
1967     }
1968     p_vout->p_sys->p_visual = p_xvisual->visual;
1969     XFree( p_xvisual );
1970 #endif
1971
1972     return VLC_SUCCESS;
1973 }
1974
1975 #ifdef HAVE_SYS_SHM_H
1976 /*****************************************************************************
1977  * CreateShmImage: create an XImage or XvImage using shared memory extension
1978  *****************************************************************************
1979  * Prepare an XImage or XvImage for display function.
1980  * The order of the operations respects the recommandations of the mit-shm
1981  * document by J.Corbet and K.Packard. Most of the parameters were copied from
1982  * there. See http://ftp.xfree86.org/pub/XFree86/4.0/doc/mit-shm.TXT
1983  *****************************************************************************/
1984 static IMAGE_TYPE * CreateShmImage( vout_thread_t *p_vout,
1985                                     Display* p_display, EXTRA_ARGS_SHM,
1986                                     int i_width, int i_height )
1987 {
1988     IMAGE_TYPE *p_image;
1989
1990     /* Create XImage / XvImage */
1991 #ifdef MODULE_NAME_IS_xvideo
1992     p_image = XvShmCreateImage( p_display, i_xvport, i_chroma, 0,
1993                                 i_width, i_height, p_shm );
1994 #else
1995     p_image = XShmCreateImage( p_display, p_visual, i_depth, ZPixmap, 0,
1996                                p_shm, i_width, i_height );
1997 #endif
1998     if( p_image == NULL )
1999     {
2000         msg_Err( p_vout, "image creation failed" );
2001         return NULL;
2002     }
2003
2004     /* Allocate shared memory segment - 0776 set the access permission
2005      * rights (like umask), they are not yet supported by all X servers */
2006     p_shm->shmid = shmget( IPC_PRIVATE, DATA_SIZE(p_image), IPC_CREAT | 0776 );
2007     if( p_shm->shmid < 0 )
2008     {
2009         msg_Err( p_vout, "cannot allocate shared image data (%s)",
2010                          strerror( errno ) );
2011         IMAGE_FREE( p_image );
2012         return NULL;
2013     }
2014
2015     /* Attach shared memory segment to process (read/write) */
2016     p_shm->shmaddr = p_image->data = shmat( p_shm->shmid, 0, 0 );
2017     if(! p_shm->shmaddr )
2018     {
2019         msg_Err( p_vout, "cannot attach shared memory (%s)",
2020                          strerror(errno));
2021         IMAGE_FREE( p_image );
2022         shmctl( p_shm->shmid, IPC_RMID, 0 );
2023         return NULL;
2024     }
2025
2026     /* Read-only data. We won't be using XShmGetImage */
2027     p_shm->readOnly = True;
2028
2029     /* Attach shared memory segment to X server */
2030     if( XShmAttach( p_display, p_shm ) == False )
2031     {
2032         msg_Err( p_vout, "cannot attach shared memory to X server" );
2033         IMAGE_FREE( p_image );
2034         shmctl( p_shm->shmid, IPC_RMID, 0 );
2035         shmdt( p_shm->shmaddr );
2036         return NULL;
2037     }
2038
2039     /* Send image to X server. This instruction is required, since having
2040      * built a Shm XImage and not using it causes an error on XCloseDisplay,
2041      * and remember NOT to use XFlush ! */
2042     XSync( p_display, False );
2043
2044 #if 0
2045     /* Mark the shm segment to be removed when there are no more
2046      * attachements, so it is automatic on process exit or after shmdt */
2047     shmctl( p_shm->shmid, IPC_RMID, 0 );
2048 #endif
2049
2050     return p_image;
2051 }
2052 #endif
2053
2054 /*****************************************************************************
2055  * CreateImage: create an XImage or XvImage
2056  *****************************************************************************
2057  * Create a simple image used as a buffer.
2058  *****************************************************************************/
2059 static IMAGE_TYPE * CreateImage( vout_thread_t *p_vout,
2060                                  Display *p_display, EXTRA_ARGS,
2061                                  int i_width, int i_height )
2062 {
2063     byte_t *    p_data;                           /* image data storage zone */
2064     IMAGE_TYPE *p_image;
2065 #ifdef MODULE_NAME_IS_x11
2066     int         i_quantum;                     /* XImage quantum (see below) */
2067     int         i_bytes_per_line;
2068 #endif
2069
2070     /* Allocate memory for image */
2071 #ifdef MODULE_NAME_IS_xvideo
2072     p_data = (byte_t *) malloc( i_width * i_height * i_bits_per_pixel / 8 );
2073 #elif defined(MODULE_NAME_IS_x11)
2074     i_bytes_per_line = i_width * i_bytes_per_pixel;
2075     p_data = (byte_t *) malloc( i_bytes_per_line * i_height );
2076 #endif
2077     if( !p_data )
2078     {
2079         msg_Err( p_vout, "out of memory" );
2080         return NULL;
2081     }
2082
2083 #ifdef MODULE_NAME_IS_x11
2084     /* Optimize the quantum of a scanline regarding its size - the quantum is
2085        a diviser of the number of bits between the start of two scanlines. */
2086     if( i_bytes_per_line & 0xf )
2087     {
2088         i_quantum = 0x8;
2089     }
2090     else if( i_bytes_per_line & 0x10 )
2091     {
2092         i_quantum = 0x10;
2093     }
2094     else
2095     {
2096         i_quantum = 0x20;
2097     }
2098 #endif
2099
2100     /* Create XImage. p_data will be automatically freed */
2101 #ifdef MODULE_NAME_IS_xvideo
2102     p_image = XvCreateImage( p_display, i_xvport, i_chroma,
2103                              p_data, i_width, i_height );
2104 #elif defined(MODULE_NAME_IS_x11)
2105     p_image = XCreateImage( p_display, p_visual, i_depth, ZPixmap, 0,
2106                             p_data, i_width, i_height, i_quantum, 0 );
2107 #endif
2108     if( p_image == NULL )
2109     {
2110         msg_Err( p_vout, "XCreateImage() failed" );
2111         free( p_data );
2112         return NULL;
2113     }
2114
2115     return p_image;
2116 }
2117
2118 /*****************************************************************************
2119  * X11ErrorHandler: replace error handler so we can intercept some of them
2120  *****************************************************************************/
2121 static int X11ErrorHandler( Display * display, XErrorEvent * event )
2122 {
2123     /* Ingnore errors on XSetInputFocus()
2124      * (they happen when a window is not yet mapped) */
2125     if( event->request_code == X_SetInputFocus )
2126     {
2127         fprintf(stderr, "XSetInputFocus failed\n");
2128         return 0;
2129     }
2130
2131     XSetErrorHandler(NULL);
2132     return (XSetErrorHandler(X11ErrorHandler))( display, event );
2133 }
2134
2135 #ifdef MODULE_NAME_IS_x11
2136 /*****************************************************************************
2137  * SetPalette: sets an 8 bpp palette
2138  *****************************************************************************
2139  * This function sets the palette given as an argument. It does not return
2140  * anything, but could later send information on which colors it was unable
2141  * to set.
2142  *****************************************************************************/
2143 static void SetPalette( vout_thread_t *p_vout,
2144                         uint16_t *red, uint16_t *green, uint16_t *blue )
2145 {
2146     int i;
2147     XColor p_colors[255];
2148
2149     /* allocate palette */
2150     for( i = 0; i < 255; i++ )
2151     {
2152         /* kludge: colors are indexed reversely because color 255 seems
2153          * to be reserved for black even if we try to set it to white */
2154         p_colors[ i ].pixel = 255 - i;
2155         p_colors[ i ].pad   = 0;
2156         p_colors[ i ].flags = DoRed | DoGreen | DoBlue;
2157         p_colors[ i ].red   = red[ 255 - i ];
2158         p_colors[ i ].blue  = blue[ 255 - i ];
2159         p_colors[ i ].green = green[ 255 - i ];
2160     }
2161
2162     XStoreColors( p_vout->p_sys->p_display,
2163                   p_vout->p_sys->colormap, p_colors, 255 );
2164 }
2165 #endif
2166
2167 /*****************************************************************************
2168  * Control: control facility for the vout
2169  *****************************************************************************/
2170 static int Control( vout_thread_t *p_vout, int i_query, va_list args )
2171 {
2172     double f_arg;
2173     vlc_bool_t b_arg;
2174
2175     switch( i_query )
2176     {
2177         case VOUT_SET_ZOOM:
2178             if( p_vout->p_sys->p_win->owner_window )
2179                 return vout_ControlWindow( p_vout,
2180                     (void *)p_vout->p_sys->p_win->owner_window, i_query, args);
2181
2182             f_arg = va_arg( args, double );
2183
2184             vlc_mutex_lock( &p_vout->p_sys->lock );
2185
2186             /* Update dimensions */
2187             /* FIXME: export InitWindowSize() from vout core */
2188             XResizeWindow( p_vout->p_sys->p_display,
2189                            p_vout->p_sys->p_win->base_window,
2190                            p_vout->i_window_width * f_arg,
2191                            p_vout->i_window_height * f_arg );
2192
2193             vlc_mutex_unlock( &p_vout->p_sys->lock );
2194             return VLC_SUCCESS;
2195
2196        case VOUT_CLOSE:
2197             vlc_mutex_lock( &p_vout->p_sys->lock );
2198             XUnmapWindow( p_vout->p_sys->p_display,
2199                           p_vout->p_sys->original_window.base_window );
2200             vlc_mutex_unlock( &p_vout->p_sys->lock );
2201             /* Fall through */
2202
2203        case VOUT_REPARENT:
2204             vlc_mutex_lock( &p_vout->p_sys->lock );
2205             XReparentWindow( p_vout->p_sys->p_display,
2206                              p_vout->p_sys->original_window.base_window,
2207                              DefaultRootWindow( p_vout->p_sys->p_display ),
2208                              0, 0 );
2209             XSync( p_vout->p_sys->p_display, False );
2210             p_vout->p_sys->original_window.owner_window = 0;
2211             vlc_mutex_unlock( &p_vout->p_sys->lock );
2212             return vout_vaControlDefault( p_vout, i_query, args );
2213
2214         case VOUT_SET_STAY_ON_TOP:
2215             if( p_vout->p_sys->p_win->owner_window )
2216                 return vout_ControlWindow( p_vout,
2217                     (void *)p_vout->p_sys->p_win->owner_window, i_query, args);
2218
2219             b_arg = va_arg( args, vlc_bool_t );
2220             vlc_mutex_lock( &p_vout->p_sys->lock );
2221             WindowOnTop( p_vout, b_arg );
2222             vlc_mutex_unlock( &p_vout->p_sys->lock );
2223             return VLC_SUCCESS;
2224
2225        default:
2226             return vout_vaControlDefault( p_vout, i_query, args );
2227     }
2228 }
2229
2230 /*****************************************************************************
2231  * TestNetWMSupport: tests for Extended Window Manager Hints support
2232  *****************************************************************************/
2233 static void TestNetWMSupport( vout_thread_t *p_vout )
2234 {
2235     int i_ret, i_format;
2236     unsigned long i, i_items, i_bytesafter;
2237     Atom net_wm_supported;
2238     union { Atom *p_atom; unsigned char *p_char; } p_args;
2239
2240     p_args.p_atom = NULL;
2241
2242     p_vout->p_sys->b_net_wm_state_fullscreen = VLC_FALSE;
2243     p_vout->p_sys->b_net_wm_state_above = VLC_FALSE;
2244     p_vout->p_sys->b_net_wm_state_below = VLC_FALSE;
2245     p_vout->p_sys->b_net_wm_state_stays_on_top = VLC_FALSE;
2246
2247     net_wm_supported =
2248         XInternAtom( p_vout->p_sys->p_display, "_NET_SUPPORTED", False );
2249
2250     i_ret = XGetWindowProperty( p_vout->p_sys->p_display,
2251                                 DefaultRootWindow( p_vout->p_sys->p_display ),
2252                                 net_wm_supported,
2253                                 0, 16384, False, AnyPropertyType,
2254                                 &net_wm_supported,
2255                                 &i_format, &i_items, &i_bytesafter,
2256                                 (unsigned char **)&p_args );
2257
2258     if( i_ret != Success || i_items == 0 ) return;
2259
2260     msg_Dbg( p_vout, "Window manager supports NetWM" );
2261
2262     p_vout->p_sys->net_wm_state =
2263         XInternAtom( p_vout->p_sys->p_display, "_NET_WM_STATE", False );
2264     p_vout->p_sys->net_wm_state_fullscreen =
2265         XInternAtom( p_vout->p_sys->p_display, "_NET_WM_STATE_FULLSCREEN",
2266                      False );
2267     p_vout->p_sys->net_wm_state_above =
2268         XInternAtom( p_vout->p_sys->p_display, "_NET_WM_STATE_ABOVE", False );
2269     p_vout->p_sys->net_wm_state_below =
2270         XInternAtom( p_vout->p_sys->p_display, "_NET_WM_STATE_BELOW", False );
2271     p_vout->p_sys->net_wm_state_stays_on_top =
2272         XInternAtom( p_vout->p_sys->p_display, "_NET_WM_STATE_STAYS_ON_TOP",
2273                      False );
2274
2275     for( i = 0; i < i_items; i++ )
2276     {
2277         if( p_args.p_atom[i] == p_vout->p_sys->net_wm_state_fullscreen )
2278         {
2279             msg_Dbg( p_vout,
2280                      "Window manager supports _NET_WM_STATE_FULLSCREEN" );
2281             p_vout->p_sys->b_net_wm_state_fullscreen = VLC_TRUE;
2282         }
2283         else if( p_args.p_atom[i] == p_vout->p_sys->net_wm_state_above )
2284         {
2285             msg_Dbg( p_vout, "Window manager supports _NET_WM_STATE_ABOVE" );
2286             p_vout->p_sys->b_net_wm_state_above = VLC_TRUE;
2287         }
2288         else if( p_args.p_atom[i] == p_vout->p_sys->net_wm_state_below )
2289         {
2290             msg_Dbg( p_vout, "Window manager supports _NET_WM_STATE_BELOW" );
2291             p_vout->p_sys->b_net_wm_state_below = VLC_TRUE;
2292         }
2293         else if( p_args.p_atom[i] == p_vout->p_sys->net_wm_state_stays_on_top )
2294         {
2295             msg_Dbg( p_vout,
2296                      "Window manager supports _NET_WM_STATE_STAYS_ON_TOP" );
2297             p_vout->p_sys->b_net_wm_state_stays_on_top = VLC_TRUE;
2298         }
2299     }
2300
2301     XFree( p_args.p_atom );
2302 }
2303
2304 /*****************************************************************************
2305  * Key events handling
2306  *****************************************************************************/
2307 static struct
2308 {
2309     int i_x11key;
2310     int i_vlckey;
2311
2312 } x11keys_to_vlckeys[] =
2313 {
2314     { XK_F1, KEY_F1 }, { XK_F2, KEY_F2 }, { XK_F3, KEY_F3 }, { XK_F4, KEY_F4 },
2315     { XK_F5, KEY_F5 }, { XK_F6, KEY_F6 }, { XK_F7, KEY_F7 }, { XK_F8, KEY_F8 },
2316     { XK_F9, KEY_F9 }, { XK_F10, KEY_F10 }, { XK_F11, KEY_F11 },
2317     { XK_F12, KEY_F12 },
2318
2319     { XK_Return, KEY_ENTER },
2320     { XK_KP_Enter, KEY_ENTER },
2321     { XK_space, KEY_SPACE },
2322     { XK_Escape, KEY_ESC },
2323
2324     { XK_Menu, KEY_MENU },
2325     { XK_Left, KEY_LEFT },
2326     { XK_Right, KEY_RIGHT },
2327     { XK_Up, KEY_UP },
2328     { XK_Down, KEY_DOWN },
2329
2330     { XK_Home, KEY_HOME },
2331     { XK_End, KEY_END },
2332     { XK_Page_Up, KEY_PAGEUP },
2333     { XK_Page_Down, KEY_PAGEDOWN },
2334     { 0, 0 }
2335 };
2336
2337 static int ConvertKey( int i_key )
2338 {
2339     int i;
2340
2341     for( i = 0; x11keys_to_vlckeys[i].i_x11key != 0; i++ )
2342     {
2343         if( x11keys_to_vlckeys[i].i_x11key == i_key )
2344         {
2345             return x11keys_to_vlckeys[i].i_vlckey;
2346         }
2347     }
2348
2349     return 0;
2350 }
2351
2352 /*****************************************************************************
2353  * WindowOnTop: Switches the "always on top" state of the video window.
2354  *****************************************************************************/
2355 static int WindowOnTop( vout_thread_t *p_vout, vlc_bool_t b_on_top )
2356 {
2357     if( p_vout->p_sys->b_net_wm_state_stays_on_top )
2358     {
2359         XClientMessageEvent event;
2360
2361         memset( &event, 0, sizeof( XClientMessageEvent ) );
2362
2363         event.type = ClientMessage;
2364         event.message_type = p_vout->p_sys->net_wm_state;
2365         event.display = p_vout->p_sys->p_display;
2366         event.window = p_vout->p_sys->p_win->base_window;
2367         event.format = 32;
2368         event.data.l[ 0 ] = b_on_top; /* set property */
2369         event.data.l[ 1 ] = p_vout->p_sys->net_wm_state_stays_on_top;
2370
2371         XSendEvent( p_vout->p_sys->p_display,
2372                     DefaultRootWindow( p_vout->p_sys->p_display ),
2373                     False, SubstructureRedirectMask,
2374                     (XEvent*)&event );
2375     }
2376
2377     return VLC_SUCCESS;
2378 }