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

   1 /*****************************************************************************
   2  * xcommon.c: Functions common to the X11 and XVideo plugins
   3  *****************************************************************************
   4  * Copyright (C) 1998-2001 VideoLAN
   5  * $Id: xcommon.c,v 1.36 2003/10/26 23:03:47 sigmunau Exp $
   6  *
   7  * Authors: Vincent Seguin <seguin@via.ecp.fr>
   8  *          Samuel Hocevar <sam@zoy.org>
   9  *          David Kennedy <dkennedy@tinytoad.com>
  10  *          Gildas Bazin <gbazin@netcourrier.com>
  11  *
  12  * This program is free software; you can redistribute it and/or modify
  13  * it under the terms of the GNU General Public License as published by
  14  * the Free Software Foundation; either version 2 of the License, or
  15  * (at your option) any later version.
  16  *
  17  * This program is distributed in the hope that it will be useful,
  18  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  19  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  20  * GNU General Public License for more details.
  21  *
  22  * You should have received a copy of the GNU General Public License
  23  * along with this program; if not, write to the Free Software
  24  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111, USA.
  25  *****************************************************************************/
  26
  27 /*****************************************************************************
  28  * Preamble
  29  *****************************************************************************/
  30 #include <errno.h>                                                 /* ENOMEM */
  31 #include <stdlib.h>                                                /* free() */
  32 #include <string.h>                                            /* strerror() */
  33
  34 #include <vlc/vlc.h>
  35 #include <vlc/intf.h>
  36 #include <vlc/vout.h>
  37 #include <vlc_keys.h>
  38
  39 #ifdef HAVE_MACHINE_PARAM_H
  40     /* BSD */
  41 #   include <machine/param.h>
  42 #   include <sys/types.h>                                  /* typedef ushort */
  43 #   include <sys/ipc.h>
  44 #endif
  45
  46 #ifndef WIN32
  47 #   include <netinet/in.h>                            /* BSD: struct in_addr */
  48 #endif
  49
  50 #ifdef HAVE_SYS_SHM_H
  51 #   include <sys/shm.h>                                /* shmget(), shmctl() */
  52 #endif
  53
  54 #include <X11/Xlib.h>
  55 #include <X11/Xmd.h>
  56 #include <X11/Xutil.h>
  57 #include <X11/keysym.h>
  58 #ifdef HAVE_SYS_SHM_H
  59 #   include <X11/extensions/XShm.h>
  60 #endif
  61 #ifdef DPMSINFO_IN_DPMS_H
  62 #   include <X11/extensions/dpms.h>
  63 #endif
  64
  65 #ifdef MODULE_NAME_IS_xvideo
  66 #   include <X11/extensions/Xv.h>
  67 #   include <X11/extensions/Xvlib.h>
  68 #endif
  69
  70 #ifdef HAVE_XINERAMA
  71 #   include <X11/extensions/Xinerama.h>
  72 #endif
  73
  74 #include "xcommon.h"
  75
  76 /*****************************************************************************
  77  * Local prototypes
  78  *****************************************************************************/
  79 int  E_(Activate)   ( vlc_object_t * );
  80 void E_(Deactivate) ( vlc_object_t * );
  81
  82 static int  InitVideo      ( vout_thread_t * );
  83 static void EndVideo       ( vout_thread_t * );
  84 static void DisplayVideo   ( vout_thread_t *, picture_t * );
  85 static int  ManageVideo    ( vout_thread_t * );
  86
  87 static int  InitDisplay    ( vout_thread_t * );
  88
  89 static int  CreateWindow   ( vout_thread_t *, x11_window_t * );
  90 static void DestroyWindow  ( vout_thread_t *, x11_window_t * );
  91
  92 static int  NewPicture     ( vout_thread_t *, picture_t * );
  93 static void FreePicture    ( vout_thread_t *, picture_t * );
  94
  95 static IMAGE_TYPE *CreateImage    ( vout_thread_t *,
  96                                     Display *, EXTRA_ARGS, int, int );
  97 #ifdef HAVE_SYS_SHM_H
  98 static IMAGE_TYPE *CreateShmImage ( vout_thread_t *,
  99                                     Display *, EXTRA_ARGS_SHM, int, int );
 100 #endif
 101
 102 static void ToggleFullScreen      ( vout_thread_t * );
 103
 104 static void EnableXScreenSaver    ( vout_thread_t * );
 105 static void DisableXScreenSaver   ( vout_thread_t * );
 106
 107 static void CreateCursor   ( vout_thread_t * );
 108 static void DestroyCursor  ( vout_thread_t * );
 109 static void ToggleCursor   ( vout_thread_t * );
 110
 111 #ifdef MODULE_NAME_IS_xvideo
 112 static int  XVideoGetPort    ( vout_thread_t *, vlc_fourcc_t, vlc_fourcc_t * );
 113 static void XVideoReleasePort( vout_thread_t *, int );
 114 #endif
 115
 116 #ifdef MODULE_NAME_IS_x11
 117 static void SetPalette     ( vout_thread_t *,
 118                              uint16_t *, uint16_t *, uint16_t * );
 119 #endif
 120
 121 static void TestNetWMSupport( vout_thread_t * );
 122
 123 /*****************************************************************************
 124  * Activate: allocate X11 video thread output method
 125  *****************************************************************************
 126  * This function allocate and initialize a X11 vout method. It uses some of the
 127  * vout properties to choose the window size, and change them according to the
 128  * actual properties of the display.
 129  *****************************************************************************/
 130 int E_(Activate) ( vlc_object_t *p_this )
 131 {
 132     vout_thread_t *p_vout = (vout_thread_t *)p_this;
 133     char *       psz_display;
 134 #ifdef MODULE_NAME_IS_xvideo
 135     char *       psz_chroma;
 136     vlc_fourcc_t i_chroma = 0;
 137     vlc_bool_t   b_chroma = 0;
 138 #endif
 139
 140     p_vout->pf_init = InitVideo;
 141     p_vout->pf_end = EndVideo;
 142     p_vout->pf_manage = ManageVideo;
 143     p_vout->pf_render = NULL;
 144     p_vout->pf_display = DisplayVideo;
 145
 146     /* Allocate structure */
 147     p_vout->p_sys = malloc( sizeof( vout_sys_t ) );
 148     if( p_vout->p_sys == NULL )
 149     {
 150         msg_Err( p_vout, "out of memory" );
 151         return VLC_ENOMEM;
 152     }
 153
 154     /* Open display, using the "display" config variable or the DISPLAY
 155      * environment variable */
 156     psz_display = config_GetPsz( p_vout, MODULE_STRING "-display" );
 157
 158     p_vout->p_sys->p_display = XOpenDisplay( psz_display );
 159
 160     if( p_vout->p_sys->p_display == NULL )                          /* error */
 161     {
 162         msg_Err( p_vout, "cannot open display %s",
 163                          XDisplayName( psz_display ) );
 164         free( p_vout->p_sys );
 165         if( psz_display ) free( psz_display );
 166         return VLC_EGENERIC;
 167     }
 168     if( psz_display ) free( psz_display );
 169
 170     /* Get a screen ID matching the XOpenDisplay return value */
 171     p_vout->p_sys->i_screen = DefaultScreen( p_vout->p_sys->p_display );
 172
 173 #ifdef MODULE_NAME_IS_xvideo
 174     psz_chroma = config_GetPsz( p_vout, "xvideo-chroma" );
 175     if( psz_chroma )
 176     {
 177         if( strlen( psz_chroma ) >= 4 )
 178         {
 179             /* Do not use direct assignment because we are not sure of the
 180              * alignment. */
 181             memcpy(&i_chroma, psz_chroma, 4);
 182             b_chroma = 1;
 183         }
 184
 185         free( psz_chroma );
 186     }
 187
 188     if( b_chroma )
 189     {
 190         msg_Dbg( p_vout, "forcing chroma 0x%.8x (%4.4s)",
 191                  i_chroma, (char*)&i_chroma );
 192     }
 193     else
 194     {
 195         i_chroma = p_vout->render.i_chroma;
 196     }
 197
 198     /* Check that we have access to an XVideo port providing this chroma */
 199     p_vout->p_sys->i_xvport = XVideoGetPort( p_vout, VLC2X11_FOURCC(i_chroma),
 200                                              &p_vout->output.i_chroma );
 201     if( p_vout->p_sys->i_xvport < 0 )
 202     {
 203         /* If a specific chroma format was requested, then we don't try to
 204          * be cleverer than the user. He knew pretty well what he wanted. */
 205         if( b_chroma )
 206         {
 207             XCloseDisplay( p_vout->p_sys->p_display );
 208             free( p_vout->p_sys );
 209             return VLC_EGENERIC;
 210         }
 211
 212         /* It failed, but it's not completely lost ! We try to open an
 213          * XVideo port for an YUY2 picture. We'll need to do an YUV
 214          * conversion, but at least it has got scaling. */
 215         p_vout->p_sys->i_xvport =
 216                         XVideoGetPort( p_vout, X11_FOURCC('Y','U','Y','2'),
 217                                                &p_vout->output.i_chroma );
 218         if( p_vout->p_sys->i_xvport < 0 )
 219         {
 220             /* It failed, but it's not completely lost ! We try to open an
 221              * XVideo port for a simple 16bpp RGB picture. We'll need to do
 222              * an YUV conversion, but at least it has got scaling. */
 223             p_vout->p_sys->i_xvport =
 224                             XVideoGetPort( p_vout, X11_FOURCC('R','V','1','6'),
 225                                                    &p_vout->output.i_chroma );
 226             if( p_vout->p_sys->i_xvport < 0 )
 227             {
 228                 XCloseDisplay( p_vout->p_sys->p_display );
 229                 free( p_vout->p_sys );
 230                 return VLC_EGENERIC;
 231             }
 232         }
 233     }
 234     p_vout->output.i_chroma = X112VLC_FOURCC(p_vout->output.i_chroma);
 235 #endif
 236
 237     /* Create blank cursor (for mouse cursor autohiding) */
 238     p_vout->p_sys->i_time_mouse_last_moved = mdate();
 239     p_vout->p_sys->b_mouse_pointer_visible = 1;
 240     CreateCursor( p_vout );
 241
 242     /* Set main window's size */
 243     p_vout->p_sys->original_window.i_width = p_vout->i_window_width;
 244     p_vout->p_sys->original_window.i_height = p_vout->i_window_height;
 245
 246     /* Spawn base window - this window will include the video output window,
 247      * but also command buttons, subtitles and other indicators */
 248     if( CreateWindow( p_vout, &p_vout->p_sys->original_window ) )
 249     {
 250         msg_Err( p_vout, "cannot create X11 window" );
 251         DestroyCursor( p_vout );
 252         XCloseDisplay( p_vout->p_sys->p_display );
 253         free( p_vout->p_sys );
 254         return VLC_EGENERIC;
 255     }
 256
 257     /* Open and initialize device. */
 258     if( InitDisplay( p_vout ) )
 259     {
 260         msg_Err( p_vout, "cannot initialize X11 display" );
 261         DestroyCursor( p_vout );
 262         DestroyWindow( p_vout, &p_vout->p_sys->original_window );
 263         XCloseDisplay( p_vout->p_sys->p_display );
 264         free( p_vout->p_sys );
 265         return VLC_EGENERIC;
 266     }
 267
 268     /* Disable screen saver */
 269     DisableXScreenSaver( p_vout );
 270
 271     /* Misc init */
 272     p_vout->p_sys->b_altfullscreen = 0;
 273     p_vout->p_sys->i_time_button_last_pressed = 0;
 274
 275     TestNetWMSupport( p_vout );
 276
 277     return VLC_SUCCESS;
 278 }
 279
 280 /*****************************************************************************
 281  * Deactivate: destroy X11 video thread output method
 282  *****************************************************************************
 283  * Terminate an output method created by Open
 284  *****************************************************************************/
 285 void E_(Deactivate) ( vlc_object_t *p_this )
 286 {
 287     vout_thread_t *p_vout = (vout_thread_t *)p_this;
 288
 289     /* If the fullscreen window is still open, close it */
 290     if( p_vout->b_fullscreen )
 291     {
 292         ToggleFullScreen( p_vout );
 293     }
 294
 295     /* Restore cursor if it was blanked */
 296     if( !p_vout->p_sys->b_mouse_pointer_visible )
 297     {
 298         ToggleCursor( p_vout );
 299     }
 300
 301 #ifdef MODULE_NAME_IS_x11
 302     /* Destroy colormap */
 303     if( XDefaultDepth(p_vout->p_sys->p_display, p_vout->p_sys->i_screen) == 8 )
 304     {
 305         XFreeColormap( p_vout->p_sys->p_display, p_vout->p_sys->colormap );
 306     }
 307 #else
 308     XVideoReleasePort( p_vout, p_vout->p_sys->i_xvport );
 309 #endif
 310
 311     DestroyCursor( p_vout );
 312     EnableXScreenSaver( p_vout );
 313     DestroyWindow( p_vout, &p_vout->p_sys->original_window );
 314
 315     XCloseDisplay( p_vout->p_sys->p_display );
 316
 317     /* Destroy structure */
 318     free( p_vout->p_sys );
 319 }
 320
 321 /*****************************************************************************
 322  * InitVideo: initialize X11 video thread output method
 323  *****************************************************************************
 324  * This function create the XImages needed by the output thread. It is called
 325  * at the beginning of the thread, but also each time the window is resized.
 326  *****************************************************************************/
 327 static int InitVideo( vout_thread_t *p_vout )
 328 {
 329     int i_index;
 330     picture_t *p_pic;
 331
 332     I_OUTPUTPICTURES = 0;
 333
 334 #ifdef MODULE_NAME_IS_xvideo
 335     /* Initialize the output structure; we already found an XVideo port,
 336      * and the corresponding chroma we will be using. Since we can
 337      * arbitrary scale, stick to the coordinates and aspect. */
 338     p_vout->output.i_width  = p_vout->render.i_width;
 339     p_vout->output.i_height = p_vout->render.i_height;
 340     p_vout->output.i_aspect = p_vout->render.i_aspect;
 341
 342     switch( p_vout->output.i_chroma )
 343     {
 344         case VLC_FOURCC('R','V','1','5'):
 345             p_vout->output.i_rmask = 0x001f;
 346             p_vout->output.i_gmask = 0x07e0;
 347             p_vout->output.i_bmask = 0xf800;
 348             break;
 349         case VLC_FOURCC('R','V','1','6'):
 350             p_vout->output.i_rmask = 0x001f;
 351             p_vout->output.i_gmask = 0x03e0;
 352             p_vout->output.i_bmask = 0x7c00;
 353             break;
 354     }
 355
 356 #else
 357     /* Initialize the output structure: RGB with square pixels, whatever
 358      * the input format is, since it's the only format we know */
 359     switch( p_vout->p_sys->i_screen_depth )
 360     {
 361         case 8: /* FIXME: set the palette */
 362             p_vout->output.i_chroma = VLC_FOURCC('R','G','B','2'); break;
 363         case 15:
 364             p_vout->output.i_chroma = VLC_FOURCC('R','V','1','5'); break;
 365         case 16:
 366             p_vout->output.i_chroma = VLC_FOURCC('R','V','1','6'); break;
 367         case 24:
 368             p_vout->output.i_chroma = VLC_FOURCC('R','V','2','4'); break;
 369         case 32:
 370             p_vout->output.i_chroma = VLC_FOURCC('R','V','3','2'); break;
 371         default:
 372             msg_Err( p_vout, "unknown screen depth %i",
 373                      p_vout->p_sys->i_screen_depth );
 374             return VLC_SUCCESS;
 375     }
 376
 377     vout_PlacePicture( p_vout, p_vout->p_sys->p_win->i_width,
 378                        p_vout->p_sys->p_win->i_height,
 379                        &i_index, &i_index,
 380                        &p_vout->output.i_width, &p_vout->output.i_height );
 381
 382     /* Assume we have square pixels */
 383     p_vout->output.i_aspect = p_vout->output.i_width
 384                                * VOUT_ASPECT_FACTOR / p_vout->output.i_height;
 385 #endif
 386
 387     /* Try to initialize up to MAX_DIRECTBUFFERS direct buffers */
 388     while( I_OUTPUTPICTURES < MAX_DIRECTBUFFERS )
 389     {
 390         p_pic = NULL;
 391
 392         /* Find an empty picture slot */
 393         for( i_index = 0 ; i_index < VOUT_MAX_PICTURES ; i_index++ )
 394         {
 395           if( p_vout->p_picture[ i_index ].i_status == FREE_PICTURE )
 396             {
 397                 p_pic = p_vout->p_picture + i_index;
 398                 break;
 399             }
 400         }
 401
 402         /* Allocate the picture */
 403         if( p_pic == NULL || NewPicture( p_vout, p_pic ) )
 404         {
 405             break;
 406         }
 407
 408         p_pic->i_status = DESTROYED_PICTURE;
 409         p_pic->i_type   = DIRECT_PICTURE;
 410
 411         PP_OUTPUTPICTURE[ I_OUTPUTPICTURES ] = p_pic;
 412
 413         I_OUTPUTPICTURES++;
 414     }
 415
 416     return VLC_SUCCESS;
 417 }
 418
 419  /*****************************************************************************
 420  * DisplayVideo: displays previously rendered output
 421  *****************************************************************************
 422  * This function sends the currently rendered image to X11 server.
 423  * (The Xv extension takes care of "double-buffering".)
 424  *****************************************************************************/
 425 static void DisplayVideo( vout_thread_t *p_vout, picture_t *p_pic )
 426 {
 427     int i_width, i_height, i_x, i_y;
 428
 429     vout_PlacePicture( p_vout, p_vout->p_sys->p_win->i_width,
 430                        p_vout->p_sys->p_win->i_height,
 431                        &i_x, &i_y, &i_width, &i_height );
 432
 433 #ifdef HAVE_SYS_SHM_H
 434     if( p_vout->p_sys->b_shm )
 435     {
 436         /* Display rendered image using shared memory extension */
 437 #   ifdef MODULE_NAME_IS_xvideo
 438         XvShmPutImage( p_vout->p_sys->p_display, p_vout->p_sys->i_xvport,
 439                        p_vout->p_sys->p_win->video_window,
 440                        p_vout->p_sys->p_win->gc, p_pic->p_sys->p_image,
 441                        0 /*src_x*/, 0 /*src_y*/,
 442                        p_vout->output.i_width, p_vout->output.i_height,
 443                        0 /*dest_x*/, 0 /*dest_y*/, i_width, i_height,
 444                        False /* Don't put True here or you'll waste your CPU */ );
 445 #   else
 446         XShmPutImage( p_vout->p_sys->p_display,
 447                       p_vout->p_sys->p_win->video_window,
 448                       p_vout->p_sys->p_win->gc, p_pic->p_sys->p_image,
 449                       0 /*src_x*/, 0 /*src_y*/, 0 /*dest_x*/, 0 /*dest_y*/,
 450                       p_vout->output.i_width, p_vout->output.i_height,
 451                       False /* Don't put True here ! */ );
 452 #   endif
 453     }
 454     else
 455 #endif /* HAVE_SYS_SHM_H */
 456     {
 457         /* Use standard XPutImage -- this is gonna be slow ! */
 458 #ifdef MODULE_NAME_IS_xvideo
 459         XvPutImage( p_vout->p_sys->p_display, p_vout->p_sys->i_xvport,
 460                     p_vout->p_sys->p_win->video_window,
 461                     p_vout->p_sys->p_win->gc, p_pic->p_sys->p_image,
 462                     0 /*src_x*/, 0 /*src_y*/,
 463                     p_vout->output.i_width, p_vout->output.i_height,
 464                     0 /*dest_x*/, 0 /*dest_y*/, i_width, i_height );
 465 #else
 466         XPutImage( p_vout->p_sys->p_display,
 467                    p_vout->p_sys->p_win->video_window,
 468                    p_vout->p_sys->p_win->gc, p_pic->p_sys->p_image,
 469                    0 /*src_x*/, 0 /*src_y*/, 0 /*dest_x*/, 0 /*dest_y*/,
 470                    p_vout->output.i_width, p_vout->output.i_height );
 471 #endif
 472     }
 473
 474     /* Make sure the command is sent now - do NOT use XFlush !*/
 475     XSync( p_vout->p_sys->p_display, False );
 476 }
 477
 478 /*****************************************************************************
 479  * ManageVideo: handle X11 events
 480  *****************************************************************************
 481  * This function should be called regularly by video output thread. It manages
 482  * X11 events and allows window resizing. It returns a non null value on
 483  * error.
 484  *****************************************************************************/
 485 static int ManageVideo( vout_thread_t *p_vout )
 486 {
 487     XEvent      xevent;                                         /* X11 event */
 488     char        i_key;                                    /* ISO Latin-1 key */
 489     KeySym      x_key_symbol;
 490     vlc_value_t val;
 491
 492     /* Handle X11 events: ConfigureNotify events are parsed to know if the
 493      * output window's size changed, MapNotify and UnmapNotify to know if the
 494      * window is mapped (and if the display is useful), and ClientMessages
 495      * to intercept window destruction requests */
 496
 497     while( XCheckWindowEvent( p_vout->p_sys->p_display,
 498                               p_vout->p_sys->p_win->base_window,
 499                               StructureNotifyMask | KeyPressMask |
 500                               ButtonPressMask | ButtonReleaseMask |
 501                               PointerMotionMask | Button1MotionMask , &xevent )
 502            == True )
 503     {
 504         /* ConfigureNotify event: prepare  */
 505         if( xevent.type == ConfigureNotify )
 506         {
 507             if( (unsigned int)xevent.xconfigure.width
 508                    != p_vout->p_sys->p_win->i_width
 509               || (unsigned int)xevent.xconfigure.height
 510                     != p_vout->p_sys->p_win->i_height )
 511             {
 512                 /* Update dimensions */
 513                 p_vout->i_changes |= VOUT_SIZE_CHANGE;
 514                 p_vout->p_sys->p_win->i_width = xevent.xconfigure.width;
 515                 p_vout->p_sys->p_win->i_height = xevent.xconfigure.height;
 516             }
 517         }
 518         /* Keyboard event */
 519         else if( xevent.type == KeyPress )
 520         {
 521             vlc_value_t val;
 522             val.i_int = 0;
 523             /* We may have keys like F1 trough F12, ESC ... */
 524             x_key_symbol = XKeycodeToKeysym( p_vout->p_sys->p_display,
 525                                              xevent.xkey.keycode, 0 );
 526             switch( (int)x_key_symbol )
 527             {
 528             case XK_F1:
 529                 val.i_int = KEY_F1;
 530                 break;
 531             case XK_F2:
 532                 val.i_int = KEY_F2;
 533                 break;
 534             case XK_F3:
 535                 val.i_int = KEY_F3;
 536                 break;
 537             case XK_F4:
 538                 val.i_int = KEY_F4;
 539                 break;
 540             case XK_F5:
 541                 val.i_int = KEY_F5;
 542                 break;
 543             case XK_F6:
 544                 val.i_int = KEY_F6;
 545                 break;
 546             case XK_F7:
 547                 val.i_int = KEY_F7;
 548                 break;
 549             case XK_F8:
 550                 val.i_int = KEY_F8;
 551                 break;
 552             case XK_F9:
 553                 val.i_int = KEY_F9;
 554                 break;
 555             case XK_F10:
 556                 val.i_int = KEY_F10;
 557                 break;
 558             case XK_F11:
 559                 val.i_int = KEY_F11;
 560                 break;
 561             case XK_F12:
 562                 val.i_int = KEY_F12;
 563                 break;
 564
 565             case XK_Return:
 566             case XK_KP_Enter:
 567                 val.i_int = KEY_ENTER;
 568                 break;
 569             case XK_Escape:
 570                 val.i_int = KEY_ESC;
 571                 break;
 572             case XK_Menu:
 573                 val.i_int = KEY_MENU;
 574                 break;
 575             case XK_Left:
 576                 val.i_int = KEY_LEFT;
 577                 break;
 578             case XK_Right:
 579                 val.i_int = KEY_RIGHT;
 580                 break;
 581             case XK_Up:
 582                 val.i_int = KEY_UP;
 583                 break;
 584             case XK_Down:
 585                 val.i_int = KEY_DOWN;
 586                 break;
 587             case XK_Home:
 588                 val.i_int = KEY_HOME;
 589                 break;
 590             case XK_End:
 591                 val.i_int = KEY_END;
 592                 break;
 593             case XK_Page_Up:
 594                 val.i_int = KEY_PAGEUP;
 595                 break;
 596             case XK_Page_Down:
 597                 val.i_int = KEY_PAGEDOWN;
 598                 break;
 599             case XK_space:
 600                 val.i_int = KEY_SPACE;
 601                 break;
 602
 603             default:
 604                 /* "Normal Keys"
 605                  * The reason why I use this instead of XK_0 is that
 606                  * with XLookupString, we don't have to care about
 607                  * keymaps. */
 608
 609                 if( XLookupString( &xevent.xkey, &i_key, 1, NULL, NULL ) )
 610                 {
 611                     /* FIXME: handle stuff here */
 612                     val.i_int = i_key;
 613                 }
 614                 break;
 615             }
 616             if ( val.i_int )
 617             {
 618                 if ( xevent.xkey.state & ShiftMask )
 619                 {
 620                     val.i_int |= KEY_MODIFIER_SHIFT;
 621                 }
 622                 if ( xevent.xkey.state & ControlMask )
 623                 {
 624                     msg_Dbg( p_vout, "control pressed, key value is %x", val.i_int );
 625                     val.i_int |= KEY_MODIFIER_CTRL;
 626                 }
 627                 if ( xevent.xkey.state & Mod1Mask )
 628                 {
 629                     val.i_int |= KEY_MODIFIER_ALT;
 630                 }
 631                 if ( val.i_int == config_GetInt( p_vout, "fullscreen-key" ) )
 632                 {
 633                     p_vout->i_changes |= VOUT_FULLSCREEN_CHANGE;
 634                 }
 635                 else
 636                 {
 637                     var_Set( p_vout->p_vlc, "key-pressed", val );
 638                 }
 639             }
 640         }
 641         /* Mouse click */
 642         else if( xevent.type == ButtonPress )
 643         {
 644             switch( ((XButtonEvent *)&xevent)->button )
 645             {
 646                 case Button1:
 647                     var_Get( p_vout, "mouse-button-down", &val );
 648                     val.i_int |= 1;
 649                     var_Set( p_vout, "mouse-button-down", val );
 650
 651                     /* detect double-clicks */
 652                     if( ( ((XButtonEvent *)&xevent)->time -
 653                           p_vout->p_sys->i_time_button_last_pressed ) < 300 )
 654                     {
 655                         p_vout->i_changes |= VOUT_FULLSCREEN_CHANGE;
 656                     }
 657
 658                     p_vout->p_sys->i_time_button_last_pressed =
 659                         ((XButtonEvent *)&xevent)->time;
 660                     break;
 661                 case Button2:
 662                     var_Get( p_vout, "mouse-button-down", &val );
 663                     val.i_int |= 2;
 664                     var_Set( p_vout, "mouse-button-down", val );
 665                     break;
 666
 667                 case Button3:
 668                     var_Get( p_vout, "mouse-button-down", &val );
 669                     val.i_int |= 4;
 670                     var_Set( p_vout, "mouse-button-down", val );
 671                     break;
 672
 673                 case Button4:
 674                     var_Get( p_vout, "mouse-button-down", &val );
 675                     val.i_int |= 8;
 676                     var_Set( p_vout, "mouse-button-down", val );
 677                     input_Seek( p_vout, 15, INPUT_SEEK_SECONDS | INPUT_SEEK_CUR );
 678                     break;
 679
 680                 case Button5:
 681                     var_Get( p_vout, "mouse-button-down", &val );
 682                     val.i_int |= 16;
 683                     var_Set( p_vout, "mouse-button-down", val );
 684                     input_Seek( p_vout, -15, INPUT_SEEK_SECONDS | INPUT_SEEK_CUR );
 685                     break;
 686             }
 687         }
 688         /* Mouse release */
 689         else if( xevent.type == ButtonRelease )
 690         {
 691             switch( ((XButtonEvent *)&xevent)->button )
 692             {
 693                 case Button1:
 694                     var_Get( p_vout, "mouse-button-down", &val );
 695                     val.i_int &= ~1;
 696                     var_Set( p_vout, "mouse-button-down", val );
 697
 698                     val.b_bool = VLC_TRUE;
 699                     var_Set( p_vout, "mouse-clicked", val );
 700                     break;
 701
 702                 case Button2:
 703                     {
 704                         playlist_t *p_playlist;
 705
 706                         var_Get( p_vout, "mouse-button-down", &val );
 707                         val.i_int &= ~2;
 708                         var_Set( p_vout, "mouse-button-down", val );
 709
 710                         p_playlist = vlc_object_find( p_vout,
 711                                                       VLC_OBJECT_PLAYLIST,
 712                                                       FIND_ANYWHERE );
 713                         if( p_playlist != NULL )
 714                         {
 715                             vlc_value_t val;
 716                             var_Get( p_playlist, "intf-show", &val );
 717                             val.b_bool = !val.b_bool;
 718                             var_Set( p_playlist, "intf-show", val );
 719                             vlc_object_release( p_playlist );
 720                         }
 721                     }
 722                     break;
 723
 724                 case Button3:
 725                     {
 726                         intf_thread_t *p_intf;
 727                         playlist_t *p_playlist;
 728
 729                         var_Get( p_vout, "mouse-button-down", &val );
 730                         val.i_int &= ~4;
 731                         var_Set( p_vout, "mouse-button-down", val );
 732                         p_intf = vlc_object_find( p_vout, VLC_OBJECT_INTF,
 733                                                           FIND_ANYWHERE );
 734                         if( p_intf )
 735                         {
 736                             p_intf->b_menu_change = 1;
 737                             vlc_object_release( p_intf );
 738                         }
 739
 740                         p_playlist = vlc_object_find( p_vout,
 741                                                       VLC_OBJECT_PLAYLIST,
 742                                                       FIND_ANYWHERE );
 743                         if( p_playlist != NULL )
 744                         {
 745                             vlc_value_t val;
 746                             var_Set( p_playlist, "intf-popupmenu", val );
 747                             vlc_object_release( p_playlist );
 748                         }
 749                     }
 750                     break;
 751
 752                 case Button4:
 753                     var_Get( p_vout, "mouse-button-down", &val );
 754                     val.i_int &= ~8;
 755                     var_Set( p_vout, "mouse-button-down", val );
 756                     break;
 757
 758                 case Button5:
 759                     var_Get( p_vout, "mouse-button-down", &val );
 760                     val.i_int &= ~16;
 761                     var_Set( p_vout, "mouse-button-down", val );
 762                     break;
 763
 764             }
 765         }
 766         /* Mouse move */
 767         else if( xevent.type == MotionNotify )
 768         {
 769             int i_width, i_height, i_x, i_y;
 770             vlc_value_t val;
 771
 772             /* somewhat different use for vout_PlacePicture:
 773              * here the values are needed to give to mouse coordinates
 774              * in the original picture space */
 775             vout_PlacePicture( p_vout, p_vout->p_sys->p_win->i_width,
 776                                p_vout->p_sys->p_win->i_height,
 777                                &i_x, &i_y, &i_width, &i_height );
 778
 779             val.i_int = ( xevent.xmotion.x - i_x )
 780                          * p_vout->render.i_width / i_width;
 781             var_Set( p_vout, "mouse-x", val );
 782             val.i_int = ( xevent.xmotion.y - i_y )
 783                          * p_vout->render.i_height / i_height;
 784             var_Set( p_vout, "mouse-y", val );
 785
 786             val.b_bool = VLC_TRUE;
 787             var_Set( p_vout, "mouse-moved", val );
 788
 789             p_vout->p_sys->i_time_mouse_last_moved = mdate();
 790             if( ! p_vout->p_sys->b_mouse_pointer_visible )
 791             {
 792                 ToggleCursor( p_vout );
 793             }
 794         }
 795         else if( xevent.type == ReparentNotify /* XXX: why do we get this? */
 796                   || xevent.type == MapNotify
 797                   || xevent.type == UnmapNotify )
 798         {
 799             /* Ignore these events */
 800         }
 801         else /* Other events */
 802         {
 803             msg_Warn( p_vout, "unhandled event %d received", xevent.type );
 804         }
 805     }
 806
 807     /* Handle events for video output sub-window */
 808     while( XCheckWindowEvent( p_vout->p_sys->p_display,
 809                               p_vout->p_sys->p_win->video_window,
 810                               ExposureMask, &xevent ) == True )
 811     {
 812         /* Window exposed (only handled if stream playback is paused) */
 813         if( xevent.type == Expose )
 814         {
 815             if( ((XExposeEvent *)&xevent)->count == 0 )
 816             {
 817                 /* (if this is the last a collection of expose events...) */
 818 #if 0
 819                 if( p_vout->p_vlc->p_input_bank->pp_input[0] != NULL )
 820                 {
 821                     if( PAUSE_S == p_vout->p_vlc->p_input_bank->pp_input[0]
 822                                                    ->stream.control.i_status )
 823                     {
 824                         /* XVideoDisplay( p_vout )*/;
 825                     }
 826                 }
 827 #endif
 828             }
 829         }
 830     }
 831
 832     /* ClientMessage event - only WM_PROTOCOLS with WM_DELETE_WINDOW data
 833      * are handled - according to the man pages, the format is always 32
 834      * in this case */
 835     while( XCheckTypedEvent( p_vout->p_sys->p_display,
 836                              ClientMessage, &xevent ) )
 837     {
 838         if( (xevent.xclient.message_type == p_vout->p_sys->p_win->wm_protocols)
 839                && ((Atom)xevent.xclient.data.l[0]
 840                      == p_vout->p_sys->p_win->wm_delete_window ) )
 841         {
 842             /* the user wants to close the window */
 843             playlist_t * p_playlist =
 844                 (playlist_t *)vlc_object_find( p_vout, VLC_OBJECT_PLAYLIST,
 845                                                FIND_ANYWHERE );
 846             if( p_playlist != NULL )
 847             {
 848                 playlist_Stop( p_playlist );
 849                 vlc_object_release( p_playlist );
 850             }
 851         }
 852     }
 853
 854     /*
 855      * Fullscreen Change
 856      */
 857     if ( p_vout->i_changes & VOUT_FULLSCREEN_CHANGE )
 858     {
 859         vlc_value_t val;
 860
 861         /* Update the object variable and trigger callback */
 862         val.b_bool = !p_vout->b_fullscreen;
 863         var_Set( p_vout, "fullscreen", val );
 864
 865         ToggleFullScreen( p_vout );
 866         p_vout->i_changes &= ~VOUT_FULLSCREEN_CHANGE;
 867     }
 868
 869     /*
 870      * Size change
 871      *
 872      * (Needs to be placed after VOUT_FULLSREEN_CHANGE because we can activate
 873      *  the size flag inside the fullscreen routine)
 874      */
 875     if( p_vout->i_changes & VOUT_SIZE_CHANGE )
 876     {
 877         int i_width, i_height, i_x, i_y;
 878
 879         p_vout->i_changes &= ~VOUT_SIZE_CHANGE;
 880
 881 #ifdef MODULE_NAME_IS_x11
 882         /* We need to signal the vout thread about the size change because it
 883          * is doing the rescaling */
 884         p_vout->i_changes |= VOUT_SIZE_CHANGE;
 885 #endif
 886
 887         vout_PlacePicture( p_vout, p_vout->p_sys->p_win->i_width,
 888                            p_vout->p_sys->p_win->i_height,
 889                            &i_x, &i_y, &i_width, &i_height );
 890
 891         XMoveResizeWindow( p_vout->p_sys->p_display,
 892                            p_vout->p_sys->p_win->video_window,
 893                            i_x, i_y, i_width, i_height );
 894     }
 895
 896     /* Autohide Cursour */
 897     if( mdate() - p_vout->p_sys->i_time_mouse_last_moved > 2000000 )
 898     {
 899         /* Hide the mouse automatically */
 900         if( p_vout->p_sys->b_mouse_pointer_visible )
 901         {
 902             ToggleCursor( p_vout );
 903         }
 904     }
 905
 906     return 0;
 907 }
 908
 909 /*****************************************************************************
 910  * EndVideo: terminate X11 video thread output method
 911  *****************************************************************************
 912  * Destroy the X11 XImages created by Init. It is called at the end of
 913  * the thread, but also each time the window is resized.
 914  *****************************************************************************/
 915 static void EndVideo( vout_thread_t *p_vout )
 916 {
 917     int i_index;
 918
 919     /* Free the direct buffers we allocated */
 920     for( i_index = I_OUTPUTPICTURES ; i_index ; )
 921     {
 922         i_index--;
 923         FreePicture( p_vout, PP_OUTPUTPICTURE[ i_index ] );
 924     }
 925 }
 926
 927 /* following functions are local */
 928
 929 /*****************************************************************************
 930  * CreateWindow: open and set-up X11 main window
 931  *****************************************************************************/
 932 static int CreateWindow( vout_thread_t *p_vout, x11_window_t *p_win )
 933 {
 934     XSizeHints              xsize_hints;
 935     XSetWindowAttributes    xwindow_attributes;
 936     XGCValues               xgcvalues;
 937     XEvent                  xevent;
 938
 939     vlc_bool_t              b_expose = VLC_FALSE;
 940     vlc_bool_t              b_configure_notify = VLC_FALSE;
 941     vlc_bool_t              b_map_notify = VLC_FALSE;
 942
 943     vlc_value_t             val;
 944     long long int           i_drawable;
 945
 946     /* Prepare window manager hints and properties */
 947     xsize_hints.base_width          = p_win->i_width;
 948     xsize_hints.base_height         = p_win->i_height;
 949     xsize_hints.flags               = PSize;
 950     p_win->wm_protocols =
 951              XInternAtom( p_vout->p_sys->p_display, "WM_PROTOCOLS", True );
 952     p_win->wm_delete_window =
 953              XInternAtom( p_vout->p_sys->p_display, "WM_DELETE_WINDOW", True );
 954
 955     /* Prepare window attributes */
 956     xwindow_attributes.backing_store = Always;       /* save the hidden part */
 957     xwindow_attributes.background_pixel = BlackPixel(p_vout->p_sys->p_display,
 958                                                      p_vout->p_sys->i_screen);
 959     xwindow_attributes.event_mask = ExposureMask | StructureNotifyMask;
 960
 961     /* Check whether someone provided us with a window ID */
 962     var_Get( p_vout->p_vlc, "drawable", &val );
 963     i_drawable = p_vout->b_fullscreen ? 0 : val.i_int;
 964
 965     if( !i_drawable )
 966     {
 967         /* Create the window and set hints - the window must receive
 968          * ConfigureNotify events, and until it is displayed, Expose and
 969          * MapNotify events. */
 970
 971         p_win->base_window =
 972             XCreateWindow( p_vout->p_sys->p_display,
 973                            DefaultRootWindow( p_vout->p_sys->p_display ),
 974                            0, 0,
 975                            p_win->i_width, p_win->i_height,
 976                            0,
 977                            0, InputOutput, 0,
 978                            CWBackingStore | CWBackPixel | CWEventMask,
 979                            &xwindow_attributes );
 980
 981         if( !p_vout->b_fullscreen )
 982         {
 983             /* Set window manager hints and properties: size hints, command,
 984              * window's name, and accepted protocols */
 985             XSetWMNormalHints( p_vout->p_sys->p_display,
 986                                p_win->base_window, &xsize_hints );
 987             XSetCommand( p_vout->p_sys->p_display, p_win->base_window,
 988                          p_vout->p_vlc->ppsz_argv, p_vout->p_vlc->i_argc );
 989
 990             XStoreName( p_vout->p_sys->p_display, p_win->base_window,
 991 #ifdef MODULE_NAME_IS_x11
 992                         VOUT_TITLE " (X11 output)"
 993 #else
 994                         VOUT_TITLE " (XVideo output)"
 995 #endif
 996                       );
 997         }
 998     }
 999     else
1000     {
1001         /* Get the parent window's geometry information */
1002         Window dummy1;
1003         unsigned int dummy2, dummy3;
1004         XGetGeometry( p_vout->p_sys->p_display, i_drawable,
1005                       &dummy1, &dummy2, &dummy3,
1006                       &p_win->i_width,
1007                       &p_win->i_height,
1008                       &dummy2, &dummy3 );
1009
1010         /* We are already configured */
1011         b_configure_notify = VLC_TRUE;
1012
1013         /* From man XSelectInput: only one client at a time can select a
1014          * ButtonPress event, so we need to open a new window anyway. */
1015         p_win->base_window =
1016             XCreateWindow( p_vout->p_sys->p_display,
1017                            i_drawable,
1018                            0, 0,
1019                            p_win->i_width, p_win->i_height,
1020                            0,
1021                            0, CopyFromParent, 0,
1022                            CWBackingStore | CWBackPixel | CWEventMask,
1023                            &xwindow_attributes );
1024     }
1025
1026     if( (p_win->wm_protocols == None)        /* use WM_DELETE_WINDOW */
1027         || (p_win->wm_delete_window == None)
1028         || !XSetWMProtocols( p_vout->p_sys->p_display, p_win->base_window,
1029                              &p_win->wm_delete_window, 1 ) )
1030     {
1031         /* WM_DELETE_WINDOW is not supported by window manager */
1032         msg_Warn( p_vout, "missing or bad window manager" );
1033     }
1034
1035     /* Creation of a graphic context that doesn't generate a GraphicsExpose
1036      * event when using functions like XCopyArea */
1037     xgcvalues.graphics_exposures = False;
1038     p_win->gc = XCreateGC( p_vout->p_sys->p_display,
1039                            p_win->base_window,
1040                            GCGraphicsExposures, &xgcvalues );
1041
1042     /* Send orders to server, and wait until window is displayed - three
1043      * events must be received: a MapNotify event, an Expose event allowing
1044      * drawing in the window, and a ConfigureNotify to get the window
1045      * dimensions. Once those events have been received, only
1046      * ConfigureNotify events need to be received. */
1047     XMapWindow( p_vout->p_sys->p_display, p_win->base_window );
1048     do
1049     {
1050         XNextEvent( p_vout->p_sys->p_display, &xevent);
1051         if( (xevent.type == Expose)
1052             && (xevent.xexpose.window == p_win->base_window) )
1053         {
1054             b_expose = VLC_TRUE;
1055         }
1056         else if( (xevent.type == MapNotify)
1057                  && (xevent.xmap.window == p_win->base_window) )
1058         {
1059             b_map_notify = VLC_TRUE;
1060         }
1061         else if( (xevent.type == ConfigureNotify)
1062                  && (xevent.xconfigure.window == p_win->base_window) )
1063         {
1064             b_configure_notify = VLC_TRUE;
1065             p_win->i_width = xevent.xconfigure.width;
1066             p_win->i_height = xevent.xconfigure.height;
1067         }
1068     } while( !( b_expose && b_configure_notify && b_map_notify ) );
1069
1070     XSelectInput( p_vout->p_sys->p_display, p_win->base_window,
1071                   StructureNotifyMask | KeyPressMask |
1072                   ButtonPressMask | ButtonReleaseMask |
1073                   PointerMotionMask );
1074
1075 #ifdef MODULE_NAME_IS_x11
1076     if( XDefaultDepth(p_vout->p_sys->p_display, p_vout->p_sys->i_screen) == 8 )
1077     {
1078         /* Allocate a new palette */
1079         p_vout->p_sys->colormap =
1080             XCreateColormap( p_vout->p_sys->p_display,
1081                              DefaultRootWindow( p_vout->p_sys->p_display ),
1082                              DefaultVisual( p_vout->p_sys->p_display,
1083                                             p_vout->p_sys->i_screen ),
1084                              AllocAll );
1085
1086         xwindow_attributes.colormap = p_vout->p_sys->colormap;
1087         XChangeWindowAttributes( p_vout->p_sys->p_display, p_win->base_window,
1088                                  CWColormap, &xwindow_attributes );
1089     }
1090 #endif
1091
1092     /* Create video output sub-window. */
1093     p_win->video_window =  XCreateSimpleWindow(
1094                                       p_vout->p_sys->p_display,
1095                                       p_win->base_window, 0, 0,
1096                                       p_win->i_width, p_win->i_height,
1097                                       0,
1098                                       BlackPixel( p_vout->p_sys->p_display,
1099                                                   p_vout->p_sys->i_screen ),
1100                                       WhitePixel( p_vout->p_sys->p_display,
1101                                                   p_vout->p_sys->i_screen ) );
1102
1103     XSetWindowBackground( p_vout->p_sys->p_display, p_win->video_window,
1104                           BlackPixel( p_vout->p_sys->p_display,
1105                                       p_vout->p_sys->i_screen ) );
1106
1107     XMapWindow( p_vout->p_sys->p_display, p_win->video_window );
1108     XSelectInput( p_vout->p_sys->p_display, p_win->video_window,
1109                   ExposureMask );
1110
1111     /* make sure the video window will be centered in the next ManageVideo() */
1112     p_vout->i_changes |= VOUT_SIZE_CHANGE;
1113
1114     /* If the cursor was formerly blank than blank it again */
1115     if( !p_vout->p_sys->b_mouse_pointer_visible )
1116     {
1117         ToggleCursor( p_vout );
1118         ToggleCursor( p_vout );
1119     }
1120
1121     /* Do NOT use XFlush here ! */
1122     XSync( p_vout->p_sys->p_display, False );
1123
1124     /* At this stage, the window is open, displayed, and ready to
1125      * receive data */
1126     p_vout->p_sys->p_win = p_win;
1127
1128     return VLC_SUCCESS;
1129 }
1130
1131 /*****************************************************************************
1132  * DestroyWindow: destroy the window
1133  *****************************************************************************
1134  *
1135  *****************************************************************************/
1136 static void DestroyWindow( vout_thread_t *p_vout, x11_window_t *p_win )
1137 {
1138     /* Do NOT use XFlush here ! */
1139     XSync( p_vout->p_sys->p_display, False );
1140
1141     XDestroyWindow( p_vout->p_sys->p_display, p_win->video_window );
1142     XFreeGC( p_vout->p_sys->p_display, p_win->gc );
1143
1144     XUnmapWindow( p_vout->p_sys->p_display, p_win->base_window );
1145     XDestroyWindow( p_vout->p_sys->p_display, p_win->base_window );
1146 }
1147
1148 /*****************************************************************************
1149  * NewPicture: allocate a picture
1150  *****************************************************************************
1151  * Returns 0 on success, -1 otherwise
1152  *****************************************************************************/
1153 static int NewPicture( vout_thread_t *p_vout, picture_t *p_pic )
1154 {
1155 #ifdef MODULE_NAME_IS_xvideo
1156     int i_plane;
1157 #endif
1158
1159     /* We know the chroma, allocate a buffer which will be used
1160      * directly by the decoder */
1161     p_pic->p_sys = malloc( sizeof( picture_sys_t ) );
1162
1163     if( p_pic->p_sys == NULL )
1164     {
1165         return -1;
1166     }
1167
1168     /* Fill in picture_t fields */
1169     vout_InitPicture( VLC_OBJECT(p_vout), p_pic, p_vout->output.i_chroma,
1170                       p_vout->output.i_width, p_vout->output.i_height,
1171                       p_vout->output.i_aspect );
1172
1173 #ifdef HAVE_SYS_SHM_H
1174     if( p_vout->p_sys->b_shm )
1175     {
1176         /* Create image using XShm extension */
1177         p_pic->p_sys->p_image =
1178             CreateShmImage( p_vout, p_vout->p_sys->p_display,
1179 #   ifdef MODULE_NAME_IS_xvideo
1180                             p_vout->p_sys->i_xvport, p_vout->output.i_chroma,
1181 #   else
1182                             p_vout->p_sys->p_visual,
1183                             p_vout->p_sys->i_screen_depth,
1184 #   endif
1185                             &p_pic->p_sys->shminfo,
1186                             p_vout->output.i_width, p_vout->output.i_height );
1187     }
1188     else
1189 #endif /* HAVE_SYS_SHM_H */
1190     {
1191         /* Create image without XShm extension */
1192         p_pic->p_sys->p_image =
1193             CreateImage( p_vout, p_vout->p_sys->p_display,
1194 #ifdef MODULE_NAME_IS_xvideo
1195                          p_vout->p_sys->i_xvport, p_vout->output.i_chroma,
1196                          p_pic->format.i_bits_per_pixel,
1197 #else
1198                          p_vout->p_sys->p_visual,
1199                          p_vout->p_sys->i_screen_depth,
1200                          p_vout->p_sys->i_bytes_per_pixel,
1201 #endif
1202                          p_vout->output.i_width, p_vout->output.i_height );
1203     }
1204
1205     if( p_pic->p_sys->p_image == NULL )
1206     {
1207         free( p_pic->p_sys );
1208         return -1;
1209     }
1210
1211     switch( p_vout->output.i_chroma )
1212     {
1213 #ifdef MODULE_NAME_IS_xvideo
1214         case VLC_FOURCC('I','4','2','0'):
1215         case VLC_FOURCC('Y','V','1','2'):
1216         case VLC_FOURCC('Y','2','1','1'):
1217         case VLC_FOURCC('Y','U','Y','2'):
1218         case VLC_FOURCC('U','Y','V','Y'):
1219         case VLC_FOURCC('R','V','1','5'):
1220         case VLC_FOURCC('R','V','1','6'):
1221         case VLC_FOURCC('R','V','2','4'): /* Fixme: pixel pitch == 4 ? */
1222         case VLC_FOURCC('R','V','3','2'):
1223
1224             for( i_plane = 0; i_plane < p_pic->p_sys->p_image->num_planes;
1225                  i_plane++ )
1226             {
1227                 p_pic->p[i_plane].p_pixels = p_pic->p_sys->p_image->data
1228                     + p_pic->p_sys->p_image->offsets[i_plane];
1229                 p_pic->p[i_plane].i_pitch =
1230                     p_pic->p_sys->p_image->pitches[i_plane];
1231             }
1232             if( p_vout->output.i_chroma == VLC_FOURCC('Y','V','1','2') )
1233             {
1234                 /* U and V inverted compared to I420
1235                  * Fixme: this should be handled by the vout core */
1236                 p_pic->U_PIXELS = p_pic->p_sys->p_image->data
1237                     + p_pic->p_sys->p_image->offsets[2];
1238                 p_pic->V_PIXELS = p_pic->p_sys->p_image->data
1239                     + p_pic->p_sys->p_image->offsets[1];
1240             }
1241             break;
1242
1243 #else
1244         case VLC_FOURCC('R','G','B','2'):
1245         case VLC_FOURCC('R','V','1','6'):
1246         case VLC_FOURCC('R','V','1','5'):
1247         case VLC_FOURCC('R','V','2','4'):
1248         case VLC_FOURCC('R','V','3','2'):
1249
1250             p_pic->p->i_lines = p_pic->p_sys->p_image->height;
1251             p_pic->p->p_pixels = p_pic->p_sys->p_image->data
1252                                   + p_pic->p_sys->p_image->xoffset;
1253             p_pic->p->i_pitch = p_pic->p_sys->p_image->bytes_per_line;
1254
1255             /* p_pic->p->i_pixel_pitch = 4 for RV24 but this should be set
1256              * properly by vout_InitPicture() */
1257             p_pic->p->i_visible_pitch = p_pic->p->i_pixel_pitch
1258                                          * p_pic->p_sys->p_image->width;
1259             break;
1260 #endif
1261
1262         default:
1263             /* Unknown chroma, tell the guy to get lost */
1264             IMAGE_FREE( p_pic->p_sys->p_image );
1265             free( p_pic->p_sys );
1266             msg_Err( p_vout, "never heard of chroma 0x%.8x (%4.4s)",
1267                      p_vout->output.i_chroma, (char*)&p_vout->output.i_chroma );
1268             p_pic->i_planes = 0;
1269             return -1;
1270     }
1271
1272     return 0;
1273 }
1274
1275 /*****************************************************************************
1276  * FreePicture: destroy a picture allocated with NewPicture
1277  *****************************************************************************
1278  * Destroy XImage AND associated data. If using Shm, detach shared memory
1279  * segment from server and process, then free it. The XDestroyImage manpage
1280  * says that both the image structure _and_ the data pointed to by the
1281  * image structure are freed, so no need to free p_image->data.
1282  *****************************************************************************/
1283 static void FreePicture( vout_thread_t *p_vout, picture_t *p_pic )
1284 {
1285     /* The order of operations is correct */
1286 #ifdef HAVE_SYS_SHM_H
1287     if( p_vout->p_sys->b_shm )
1288     {
1289         XShmDetach( p_vout->p_sys->p_display, &p_pic->p_sys->shminfo );
1290         IMAGE_FREE( p_pic->p_sys->p_image );
1291
1292         shmctl( p_pic->p_sys->shminfo.shmid, IPC_RMID, 0 );
1293         if( shmdt( p_pic->p_sys->shminfo.shmaddr ) )
1294         {
1295             msg_Err( p_vout, "cannot detach shared memory (%s)",
1296                              strerror(errno) );
1297         }
1298     }
1299     else
1300 #endif
1301     {
1302         IMAGE_FREE( p_pic->p_sys->p_image );
1303     }
1304
1305     /* Do NOT use XFlush here ! */
1306     XSync( p_vout->p_sys->p_display, False );
1307
1308     free( p_pic->p_sys );
1309 }
1310
1311 /*****************************************************************************
1312  * ToggleFullScreen: Enable or disable full screen mode
1313  *****************************************************************************
1314  * This function will switch between fullscreen and window mode.
1315  *****************************************************************************/
1316 static void ToggleFullScreen ( vout_thread_t *p_vout )
1317 {
1318     Atom prop;
1319     XEvent xevent;
1320     mwmhints_t mwmhints;
1321     XSetWindowAttributes attributes;
1322
1323 #ifdef HAVE_XINERAMA
1324     int i_d1, i_d2;
1325 #endif
1326
1327     p_vout->b_fullscreen = !p_vout->b_fullscreen;
1328
1329     if( p_vout->b_fullscreen )
1330     {
1331         msg_Dbg( p_vout, "entering fullscreen mode" );
1332
1333         p_vout->p_sys->b_altfullscreen =
1334             config_GetInt( p_vout, MODULE_STRING "-altfullscreen" );
1335
1336         XUnmapWindow( p_vout->p_sys->p_display,
1337                       p_vout->p_sys->p_win->base_window);
1338
1339         p_vout->p_sys->p_win = &p_vout->p_sys->fullscreen_window;
1340
1341         /* fullscreen window size and position */
1342         p_vout->p_sys->p_win->i_width =
1343             DisplayWidth( p_vout->p_sys->p_display, p_vout->p_sys->i_screen );
1344         p_vout->p_sys->p_win->i_height =
1345             DisplayHeight( p_vout->p_sys->p_display, p_vout->p_sys->i_screen );
1346
1347         CreateWindow( p_vout, p_vout->p_sys->p_win );
1348
1349         /* To my knowledge there are two ways to create a borderless window.
1350          * There's the generic way which is to tell x to bypass the window
1351          * manager, but this creates problems with the focus of other
1352          * applications.
1353          * The other way is to use the motif property "_MOTIF_WM_HINTS" which
1354          * luckily seems to be supported by most window managers. */
1355         if( !p_vout->p_sys->b_altfullscreen )
1356         {
1357             mwmhints.flags = MWM_HINTS_DECORATIONS;
1358             mwmhints.decorations = False;
1359
1360             prop = XInternAtom( p_vout->p_sys->p_display, "_MOTIF_WM_HINTS",
1361                                 False );
1362             XChangeProperty( p_vout->p_sys->p_display,
1363                              p_vout->p_sys->p_win->base_window,
1364                              prop, prop, 32, PropModeReplace,
1365                              (unsigned char *)&mwmhints,
1366                              PROP_MWM_HINTS_ELEMENTS );
1367         }
1368         else
1369         {
1370             /* brute force way to remove decorations */
1371             attributes.override_redirect = True;
1372             XChangeWindowAttributes( p_vout->p_sys->p_display,
1373                                      p_vout->p_sys->p_win->base_window,
1374                                      CWOverrideRedirect,
1375                                      &attributes);
1376
1377             /* Make sure the change is effective */
1378             XReparentWindow( p_vout->p_sys->p_display,
1379                              p_vout->p_sys->p_win->base_window,
1380                              DefaultRootWindow( p_vout->p_sys->p_display ),
1381                              0, 0 );
1382         }
1383
1384         if( p_vout->p_sys->b_net_wm_state_fullscreen )
1385         {
1386             XClientMessageEvent event;
1387
1388             memset( &event, 0, sizeof( XClientMessageEvent ) );
1389
1390             event.type = ClientMessage;
1391             event.message_type = p_vout->p_sys->net_wm_state;
1392             event.display = p_vout->p_sys->p_display;
1393             event.window = p_vout->p_sys->p_win->base_window;
1394             event.format = 32;
1395             event.data.l[ 0 ] = 1; /* set property */
1396             event.data.l[ 1 ] = p_vout->p_sys->net_wm_state_fullscreen;
1397
1398             XSendEvent( p_vout->p_sys->p_display,
1399                         DefaultRootWindow( p_vout->p_sys->p_display ),
1400                         False, SubstructureRedirectMask,
1401                         (XEvent*)&event );
1402         }
1403
1404         /* Make sure the change is effective */
1405         XReparentWindow( p_vout->p_sys->p_display,
1406                          p_vout->p_sys->p_win->base_window,
1407                          DefaultRootWindow( p_vout->p_sys->p_display ),
1408                          0, 0 );
1409
1410         /* fullscreen window size and position */
1411         p_vout->p_sys->p_win->i_width =
1412             DisplayWidth( p_vout->p_sys->p_display, p_vout->p_sys->i_screen );
1413         p_vout->p_sys->p_win->i_height =
1414             DisplayHeight( p_vout->p_sys->p_display, p_vout->p_sys->i_screen );
1415
1416         p_vout->p_sys->p_win->i_x = 0;
1417         p_vout->p_sys->p_win->i_y = 0;
1418
1419 #ifdef HAVE_XINERAMA
1420         if( XineramaQueryExtension( p_vout->p_sys->p_display, &i_d1, &i_d2 ) &&
1421             XineramaIsActive( p_vout->p_sys->p_display ) )
1422         {
1423             XineramaScreenInfo *screens;   /* infos for xinerama */
1424             int i_num_screens;
1425
1426             msg_Dbg( p_vout, "Using XFree Xinerama extension");
1427
1428 #define SCREEN p_vout->p_sys->p_win->i_screen
1429
1430             /* Get Informations about Xinerama (num of screens) */
1431             screens = XineramaQueryScreens( p_vout->p_sys->p_display,
1432                                             &i_num_screens );
1433
1434             if( !SCREEN )
1435                 SCREEN = config_GetInt( p_vout,
1436                                         MODULE_STRING "-xineramascreen" );
1437
1438             /* just check that user has entered a good value */
1439             if( SCREEN >= i_num_screens || SCREEN < 0 )
1440             {
1441                 msg_Dbg( p_vout, "requested screen number invalid" );
1442                 SCREEN = 0;
1443             }
1444
1445             /* Get the X/Y upper left corner coordinate of the above screen */
1446             p_vout->p_sys->p_win->i_x = screens[SCREEN].x_org;
1447             p_vout->p_sys->p_win->i_y = screens[SCREEN].y_org;
1448
1449             /* Set the Height/width to the screen resolution */
1450             p_vout->p_sys->p_win->i_width = screens[SCREEN].width;
1451             p_vout->p_sys->p_win->i_height = screens[SCREEN].height;
1452
1453             XFree(screens);
1454
1455 #undef SCREEN
1456
1457         }
1458 #endif
1459
1460         XMoveResizeWindow( p_vout->p_sys->p_display,
1461                            p_vout->p_sys->p_win->base_window,
1462                            p_vout->p_sys->p_win->i_x,
1463                            p_vout->p_sys->p_win->i_y,
1464                            p_vout->p_sys->p_win->i_width,
1465                            p_vout->p_sys->p_win->i_height );
1466     }
1467     else
1468     {
1469         msg_Dbg( p_vout, "leaving fullscreen mode" );
1470         DestroyWindow( p_vout, &p_vout->p_sys->fullscreen_window );
1471         p_vout->p_sys->p_win = &p_vout->p_sys->original_window;
1472
1473         XMapWindow( p_vout->p_sys->p_display,
1474                     p_vout->p_sys->p_win->base_window);
1475     }
1476
1477     /* Unfortunately, using XSync() here is not enough to ensure the
1478      * window has already been mapped because the XMapWindow() request
1479      * has not necessarily been sent directly to our window (remember,
1480      * the call is first redirected to the window manager) */
1481     do
1482     {
1483         XWindowEvent( p_vout->p_sys->p_display,
1484                       p_vout->p_sys->p_win->base_window,
1485                       StructureNotifyMask, &xevent );
1486     } while( xevent.type != MapNotify );
1487
1488     /* Be careful, this can generate a BadMatch error if the window is not
1489      * already mapped by the server (see above) */
1490     XSetInputFocus(p_vout->p_sys->p_display,
1491                    p_vout->p_sys->p_win->base_window,
1492                    RevertToParent,
1493                    CurrentTime);
1494
1495     /* signal that the size needs to be updated */
1496     p_vout->i_changes |= VOUT_SIZE_CHANGE;
1497 }
1498
1499 /*****************************************************************************
1500  * EnableXScreenSaver: enable screen saver
1501  *****************************************************************************
1502  * This function enables the screen saver on a display after it has been
1503  * disabled by XDisableScreenSaver.
1504  * FIXME: what happens if multiple vlc sessions are running at the same
1505  *        time ???
1506  *****************************************************************************/
1507 static void EnableXScreenSaver( vout_thread_t *p_vout )
1508 {
1509 #ifdef DPMSINFO_IN_DPMS_H
1510     int dummy;
1511 #endif
1512
1513     if( p_vout->p_sys->i_ss_timeout )
1514     {
1515         XSetScreenSaver( p_vout->p_sys->p_display, p_vout->p_sys->i_ss_timeout,
1516                          p_vout->p_sys->i_ss_interval,
1517                          p_vout->p_sys->i_ss_blanking,
1518                          p_vout->p_sys->i_ss_exposure );
1519     }
1520
1521     /* Restore DPMS settings */
1522 #ifdef DPMSINFO_IN_DPMS_H
1523     if( DPMSQueryExtension( p_vout->p_sys->p_display, &dummy, &dummy ) )
1524     {
1525         if( p_vout->p_sys->b_ss_dpms )
1526         {
1527             DPMSEnable( p_vout->p_sys->p_display );
1528         }
1529     }
1530 #endif
1531 }
1532
1533 /*****************************************************************************
1534  * DisableXScreenSaver: disable screen saver
1535  *****************************************************************************
1536  * See XEnableXScreenSaver
1537  *****************************************************************************/
1538 static void DisableXScreenSaver( vout_thread_t *p_vout )
1539 {
1540 #ifdef DPMSINFO_IN_DPMS_H
1541     int dummy;
1542 #endif
1543
1544     /* Save screen saver informations */
1545     XGetScreenSaver( 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     /* Disable screen saver */
1551     if( p_vout->p_sys->i_ss_timeout )
1552     {
1553         XSetScreenSaver( p_vout->p_sys->p_display, 0,
1554                          p_vout->p_sys->i_ss_interval,
1555                          p_vout->p_sys->i_ss_blanking,
1556                          p_vout->p_sys->i_ss_exposure );
1557     }
1558
1559     /* Disable DPMS */
1560 #ifdef DPMSINFO_IN_DPMS_H
1561     if( DPMSQueryExtension( p_vout->p_sys->p_display, &dummy, &dummy ) )
1562     {
1563         CARD16 unused;
1564         /* Save DPMS current state */
1565         DPMSInfo( p_vout->p_sys->p_display, &unused,
1566                   &p_vout->p_sys->b_ss_dpms );
1567         DPMSDisable( p_vout->p_sys->p_display );
1568    }
1569 #endif
1570 }
1571
1572 /*****************************************************************************
1573  * CreateCursor: create a blank mouse pointer
1574  *****************************************************************************/
1575 static void CreateCursor( vout_thread_t *p_vout )
1576 {
1577     XColor cursor_color;
1578
1579     p_vout->p_sys->cursor_pixmap =
1580         XCreatePixmap( p_vout->p_sys->p_display,
1581                        DefaultRootWindow( p_vout->p_sys->p_display ),
1582                        1, 1, 1 );
1583
1584     XParseColor( p_vout->p_sys->p_display,
1585                  XCreateColormap( p_vout->p_sys->p_display,
1586                                   DefaultRootWindow(
1587                                                     p_vout->p_sys->p_display ),
1588                                   DefaultVisual(
1589                                                 p_vout->p_sys->p_display,
1590                                                 p_vout->p_sys->i_screen ),
1591                                   AllocNone ),
1592                  "black", &cursor_color );
1593
1594     p_vout->p_sys->blank_cursor =
1595         XCreatePixmapCursor( p_vout->p_sys->p_display,
1596                              p_vout->p_sys->cursor_pixmap,
1597                              p_vout->p_sys->cursor_pixmap,
1598                              &cursor_color, &cursor_color, 1, 1 );
1599 }
1600
1601 /*****************************************************************************
1602  * DestroyCursor: destroy the blank mouse pointer
1603  *****************************************************************************/
1604 static void DestroyCursor( vout_thread_t *p_vout )
1605 {
1606     XFreePixmap( p_vout->p_sys->p_display, p_vout->p_sys->cursor_pixmap );
1607 }
1608
1609 /*****************************************************************************
1610  * ToggleCursor: hide or show the mouse pointer
1611  *****************************************************************************
1612  * This function hides the X pointer if it is visible by setting the pointer
1613  * sprite to a blank one. To show it again, we disable the sprite.
1614  *****************************************************************************/
1615 static void ToggleCursor( vout_thread_t *p_vout )
1616 {
1617     if( p_vout->p_sys->b_mouse_pointer_visible )
1618     {
1619         XDefineCursor( p_vout->p_sys->p_display,
1620                        p_vout->p_sys->p_win->base_window,
1621                        p_vout->p_sys->blank_cursor );
1622         p_vout->p_sys->b_mouse_pointer_visible = 0;
1623     }
1624     else
1625     {
1626         XUndefineCursor( p_vout->p_sys->p_display,
1627                          p_vout->p_sys->p_win->base_window );
1628         p_vout->p_sys->b_mouse_pointer_visible = 1;
1629     }
1630 }
1631
1632 #ifdef MODULE_NAME_IS_xvideo
1633 /*****************************************************************************
1634  * XVideoGetPort: get YUV12 port
1635  *****************************************************************************/
1636 static int XVideoGetPort( vout_thread_t *p_vout,
1637                           vlc_fourcc_t i_chroma, vlc_fourcc_t *pi_newchroma )
1638 {
1639     XvAdaptorInfo *p_adaptor;
1640     unsigned int i;
1641     int i_adaptor, i_num_adaptors, i_requested_adaptor;
1642     int i_selected_port;
1643
1644     switch( XvQueryExtension( p_vout->p_sys->p_display, &i, &i, &i, &i, &i ) )
1645     {
1646         case Success:
1647             break;
1648
1649         case XvBadExtension:
1650             msg_Warn( p_vout, "XvBadExtension" );
1651             return -1;
1652
1653         case XvBadAlloc:
1654             msg_Warn( p_vout, "XvBadAlloc" );
1655             return -1;
1656
1657         default:
1658             msg_Warn( p_vout, "XvQueryExtension failed" );
1659             return -1;
1660     }
1661
1662     switch( XvQueryAdaptors( p_vout->p_sys->p_display,
1663                              DefaultRootWindow( p_vout->p_sys->p_display ),
1664                              &i_num_adaptors, &p_adaptor ) )
1665     {
1666         case Success:
1667             break;
1668
1669         case XvBadExtension:
1670             msg_Warn( p_vout, "XvBadExtension for XvQueryAdaptors" );
1671             return -1;
1672
1673         case XvBadAlloc:
1674             msg_Warn( p_vout, "XvBadAlloc for XvQueryAdaptors" );
1675             return -1;
1676
1677         default:
1678             msg_Warn( p_vout, "XvQueryAdaptors failed" );
1679             return -1;
1680     }
1681
1682     i_selected_port = -1;
1683     i_requested_adaptor = config_GetInt( p_vout, "xvideo-adaptor" );
1684
1685     for( i_adaptor = 0; i_adaptor < i_num_adaptors; ++i_adaptor )
1686     {
1687         XvImageFormatValues *p_formats;
1688         int i_format, i_num_formats;
1689         int i_port;
1690
1691         /* If we requested an adaptor and it's not this one, we aren't
1692          * interested */
1693         if( i_requested_adaptor != -1 && i_adaptor != i_requested_adaptor )
1694         {
1695             continue;
1696         }
1697
1698         /* If the adaptor doesn't have the required properties, skip it */
1699         if( !( p_adaptor[ i_adaptor ].type & XvInputMask ) ||
1700             !( p_adaptor[ i_adaptor ].type & XvImageMask ) )
1701         {
1702             continue;
1703         }
1704
1705         /* Check that adaptor supports our requested format... */
1706         p_formats = XvListImageFormats( p_vout->p_sys->p_display,
1707                                         p_adaptor[i_adaptor].base_id,
1708                                         &i_num_formats );
1709
1710         for( i_format = 0;
1711              i_format < i_num_formats && ( i_selected_port == -1 );
1712              i_format++ )
1713         {
1714             /* Code removed, we can get this through xvinfo anyway */
1715 #if 0
1716             XvEncodingInfo  *p_enc;
1717             int             i_enc, i_num_encodings;
1718             XvAttribute     *p_attr;
1719             int             i_attr, i_num_attributes;
1720 #endif
1721
1722             /* If this is not the format we want, or at least a
1723              * similar one, forget it */
1724             if( !vout_ChromaCmp( p_formats[ i_format ].id, i_chroma ) )
1725             {
1726                 continue;
1727             }
1728
1729             /* Look for the first available port supporting this format */
1730             for( i_port = p_adaptor[i_adaptor].base_id;
1731                  ( i_port < (int)(p_adaptor[i_adaptor].base_id
1732                                    + p_adaptor[i_adaptor].num_ports) )
1733                    && ( i_selected_port == -1 );
1734                  i_port++ )
1735             {
1736                 if( XvGrabPort( p_vout->p_sys->p_display, i_port, CurrentTime )
1737                      == Success )
1738                 {
1739                     i_selected_port = i_port;
1740                     *pi_newchroma = p_formats[ i_format ].id;
1741                 }
1742             }
1743
1744             /* If no free port was found, forget it */
1745             if( i_selected_port == -1 )
1746             {
1747                 continue;
1748             }
1749
1750             /* If we found a port, print information about it */
1751             msg_Dbg( p_vout, "adaptor %i, port %i, format 0x%x (%4.4s) %s",
1752                      i_adaptor, i_selected_port, p_formats[ i_format ].id,
1753                      (char *)&p_formats[ i_format ].id,
1754                      ( p_formats[ i_format ].format == XvPacked ) ?
1755                          "packed" : "planar" );
1756
1757 #if 0
1758             msg_Dbg( p_vout, " encoding list:" );
1759
1760             if( XvQueryEncodings( p_vout->p_sys->p_display, i_selected_port,
1761                                   &i_num_encodings, &p_enc )
1762                  != Success )
1763             {
1764                 msg_Dbg( p_vout, "  XvQueryEncodings failed" );
1765                 continue;
1766             }
1767
1768             for( i_enc = 0; i_enc < i_num_encodings; i_enc++ )
1769             {
1770                 msg_Dbg( p_vout, "  id=%ld, name=%s, size=%ldx%ld,"
1771                                       " numerator=%d, denominator=%d",
1772                              p_enc[i_enc].encoding_id, p_enc[i_enc].name,
1773                              p_enc[i_enc].width, p_enc[i_enc].height,
1774                              p_enc[i_enc].rate.numerator,
1775                              p_enc[i_enc].rate.denominator );
1776             }
1777
1778             if( p_enc != NULL )
1779             {
1780                 XvFreeEncodingInfo( p_enc );
1781             }
1782
1783             msg_Dbg( p_vout, " attribute list:" );
1784             p_attr = XvQueryPortAttributes( p_vout->p_sys->p_display,
1785                                             i_selected_port,
1786                                             &i_num_attributes );
1787             for( i_attr = 0; i_attr < i_num_attributes; i_attr++ )
1788             {
1789                 msg_Dbg( p_vout, "  name=%s, flags=[%s%s ], min=%i, max=%i",
1790                       p_attr[i_attr].name,
1791                       (p_attr[i_attr].flags & XvGettable) ? " get" : "",
1792                       (p_attr[i_attr].flags & XvSettable) ? " set" : "",
1793                       p_attr[i_attr].min_value, p_attr[i_attr].max_value );
1794             }
1795
1796             if( p_attr != NULL )
1797             {
1798                 XFree( p_attr );
1799             }
1800 #endif
1801         }
1802
1803         if( p_formats != NULL )
1804         {
1805             XFree( p_formats );
1806         }
1807
1808     }
1809
1810     if( i_num_adaptors > 0 )
1811     {
1812         XvFreeAdaptorInfo( p_adaptor );
1813     }
1814
1815     if( i_selected_port == -1 )
1816     {
1817         int i_chroma_tmp = X112VLC_FOURCC( i_chroma );
1818         if( i_requested_adaptor == -1 )
1819         {
1820             msg_Warn( p_vout, "no free XVideo port found for format "
1821                       "0x%.8x (%4.4s)", i_chroma_tmp, (char*)&i_chroma_tmp );
1822         }
1823         else
1824         {
1825             msg_Warn( p_vout, "XVideo adaptor %i does not have a free "
1826                       "XVideo port for format 0x%.8x (%4.4s)",
1827                       i_requested_adaptor, i_chroma_tmp, (char*)&i_chroma_tmp );
1828         }
1829     }
1830
1831     return i_selected_port;
1832 }
1833
1834 /*****************************************************************************
1835  * XVideoReleasePort: release YUV12 port
1836  *****************************************************************************/
1837 static void XVideoReleasePort( vout_thread_t *p_vout, int i_port )
1838 {
1839     XvUngrabPort( p_vout->p_sys->p_display, i_port, CurrentTime );
1840 }
1841 #endif
1842
1843 /*****************************************************************************
1844  * InitDisplay: open and initialize X11 device
1845  *****************************************************************************
1846  * Create a window according to video output given size, and set other
1847  * properties according to the display properties.
1848  *****************************************************************************/
1849 static int InitDisplay( vout_thread_t *p_vout )
1850 {
1851 #ifdef MODULE_NAME_IS_x11
1852     XPixmapFormatValues *       p_formats;                 /* pixmap formats */
1853     XVisualInfo *               p_xvisual;           /* visuals informations */
1854     XVisualInfo                 xvisual_template;         /* visual template */
1855     int                         i_count;                       /* array size */
1856 #endif
1857
1858 #ifdef HAVE_SYS_SHM_H
1859     p_vout->p_sys->b_shm = 0;
1860
1861     if( config_GetInt( p_vout, MODULE_STRING "-shm" ) )
1862     {
1863 #   ifdef SYS_DARWIN
1864         /* FIXME: As of 2001-03-16, XFree4 for MacOS X does not support Xshm */
1865 #   else
1866         p_vout->p_sys->b_shm =
1867                   ( XShmQueryExtension( p_vout->p_sys->p_display ) == True );
1868 #   endif
1869
1870         if( !p_vout->p_sys->b_shm )
1871         {
1872             msg_Warn( p_vout, "XShm video extension is unavailable" );
1873         }
1874     }
1875     else
1876     {
1877         msg_Dbg( p_vout, "disabling XShm video extension" );
1878     }
1879
1880 #else
1881     msg_Warn( p_vout, "XShm video extension is unavailable" );
1882
1883 #endif
1884
1885 #ifdef MODULE_NAME_IS_xvideo
1886     /* XXX The brightness and contrast values should be read from environment
1887      * XXX variables... */
1888 #if 0
1889     XVideoSetAttribute( p_vout, "XV_BRIGHTNESS", 0.5 );
1890     XVideoSetAttribute( p_vout, "XV_CONTRAST",   0.5 );
1891 #endif
1892 #endif
1893
1894 #ifdef MODULE_NAME_IS_x11
1895     /* Initialize structure */
1896     p_vout->p_sys->i_screen = DefaultScreen( p_vout->p_sys->p_display );
1897
1898     /* Get screen depth */
1899     p_vout->p_sys->i_screen_depth = XDefaultDepth( p_vout->p_sys->p_display,
1900                                                    p_vout->p_sys->i_screen );
1901     switch( p_vout->p_sys->i_screen_depth )
1902     {
1903     case 8:
1904         /*
1905          * Screen depth is 8bpp. Use PseudoColor visual with private colormap.
1906          */
1907         xvisual_template.screen =   p_vout->p_sys->i_screen;
1908         xvisual_template.class =    DirectColor;
1909         p_xvisual = XGetVisualInfo( p_vout->p_sys->p_display,
1910                                     VisualScreenMask | VisualClassMask,
1911                                     &xvisual_template, &i_count );
1912         if( p_xvisual == NULL )
1913         {
1914             msg_Err( p_vout, "no PseudoColor visual available" );
1915             return VLC_EGENERIC;
1916         }
1917         p_vout->p_sys->i_bytes_per_pixel = 1;
1918         p_vout->output.pf_setpalette = SetPalette;
1919         break;
1920     case 15:
1921     case 16:
1922     case 24:
1923     default:
1924         /*
1925          * Screen depth is higher than 8bpp. TrueColor visual is used.
1926          */
1927         xvisual_template.screen =   p_vout->p_sys->i_screen;
1928         xvisual_template.class =    TrueColor;
1929         p_xvisual = XGetVisualInfo( p_vout->p_sys->p_display,
1930                                     VisualScreenMask | VisualClassMask,
1931                                     &xvisual_template, &i_count );
1932         if( p_xvisual == NULL )
1933         {
1934             msg_Err( p_vout, "no TrueColor visual available" );
1935             return VLC_EGENERIC;
1936         }
1937
1938         p_vout->output.i_rmask = p_xvisual->red_mask;
1939         p_vout->output.i_gmask = p_xvisual->green_mask;
1940         p_vout->output.i_bmask = p_xvisual->blue_mask;
1941
1942         /* There is no difference yet between 3 and 4 Bpp. The only way
1943          * to find the actual number of bytes per pixel is to list supported
1944          * pixmap formats. */
1945         p_formats = XListPixmapFormats( p_vout->p_sys->p_display, &i_count );
1946         p_vout->p_sys->i_bytes_per_pixel = 0;
1947
1948         for( ; i_count-- ; p_formats++ )
1949         {
1950             /* Under XFree4.0, the list contains pixmap formats available
1951              * through all video depths ; so we have to check against current
1952              * depth. */
1953             if( p_formats->depth == (int)p_vout->p_sys->i_screen_depth )
1954             {
1955                 if( p_formats->bits_per_pixel / 8
1956                         > (int)p_vout->p_sys->i_bytes_per_pixel )
1957                 {
1958                     p_vout->p_sys->i_bytes_per_pixel =
1959                                                p_formats->bits_per_pixel / 8;
1960                 }
1961             }
1962         }
1963         break;
1964     }
1965     p_vout->p_sys->p_visual = p_xvisual->visual;
1966     XFree( p_xvisual );
1967 #endif
1968
1969     return VLC_SUCCESS;
1970 }
1971
1972 #ifdef HAVE_SYS_SHM_H
1973 /*****************************************************************************
1974  * CreateShmImage: create an XImage or XvImage using shared memory extension
1975  *****************************************************************************
1976  * Prepare an XImage or XvImage for display function.
1977  * The order of the operations respects the recommandations of the mit-shm
1978  * document by J.Corbet and K.Packard. Most of the parameters were copied from
1979  * there. See http://ftp.xfree86.org/pub/XFree86/4.0/doc/mit-shm.TXT
1980  *****************************************************************************/
1981 static IMAGE_TYPE * CreateShmImage( vout_thread_t *p_vout,
1982                                     Display* p_display, EXTRA_ARGS_SHM,
1983                                     int i_width, int i_height )
1984 {
1985     IMAGE_TYPE *p_image;
1986
1987     /* Create XImage / XvImage */
1988 #ifdef MODULE_NAME_IS_xvideo
1989     p_image = XvShmCreateImage( p_display, i_xvport, i_chroma, 0,
1990                                 i_width, i_height, p_shm );
1991 #else
1992     p_image = XShmCreateImage( p_display, p_visual, i_depth, ZPixmap, 0,
1993                                p_shm, i_width, i_height );
1994 #endif
1995     if( p_image == NULL )
1996     {
1997         msg_Err( p_vout, "image creation failed" );
1998         return NULL;
1999     }
2000
2001     /* Allocate shared memory segment - 0776 set the access permission
2002      * rights (like umask), they are not yet supported by all X servers */
2003     p_shm->shmid = shmget( IPC_PRIVATE, DATA_SIZE(p_image), IPC_CREAT | 0776 );
2004     if( p_shm->shmid < 0 )
2005     {
2006         msg_Err( p_vout, "cannot allocate shared image data (%s)",
2007                          strerror( errno ) );
2008         IMAGE_FREE( p_image );
2009         return NULL;
2010     }
2011
2012     /* Attach shared memory segment to process (read/write) */
2013     p_shm->shmaddr = p_image->data = shmat( p_shm->shmid, 0, 0 );
2014     if(! p_shm->shmaddr )
2015     {
2016         msg_Err( p_vout, "cannot attach shared memory (%s)",
2017                          strerror(errno));
2018         IMAGE_FREE( p_image );
2019         shmctl( p_shm->shmid, IPC_RMID, 0 );
2020         return NULL;
2021     }
2022
2023     /* Read-only data. We won't be using XShmGetImage */
2024     p_shm->readOnly = True;
2025
2026     /* Attach shared memory segment to X server */
2027     if( XShmAttach( p_display, p_shm ) == False )
2028     {
2029         msg_Err( p_vout, "cannot attach shared memory to X server" );
2030         IMAGE_FREE( p_image );
2031         shmctl( p_shm->shmid, IPC_RMID, 0 );
2032         shmdt( p_shm->shmaddr );
2033         return NULL;
2034     }
2035
2036     /* Send image to X server. This instruction is required, since having
2037      * built a Shm XImage and not using it causes an error on XCloseDisplay,
2038      * and remember NOT to use XFlush ! */
2039     XSync( p_display, False );
2040
2041 #if 0
2042     /* Mark the shm segment to be removed when there are no more
2043      * attachements, so it is automatic on process exit or after shmdt */
2044     shmctl( p_shm->shmid, IPC_RMID, 0 );
2045 #endif
2046
2047     return p_image;
2048 }
2049 #endif
2050
2051 /*****************************************************************************
2052  * CreateImage: create an XImage or XvImage
2053  *****************************************************************************
2054  * Create a simple image used as a buffer.
2055  *****************************************************************************/
2056 static IMAGE_TYPE * CreateImage( vout_thread_t *p_vout,
2057                                  Display *p_display, EXTRA_ARGS,
2058                                  int i_width, int i_height )
2059 {
2060     byte_t *    p_data;                           /* image data storage zone */
2061     IMAGE_TYPE *p_image;
2062 #ifdef MODULE_NAME_IS_x11
2063     int         i_quantum;                     /* XImage quantum (see below) */
2064     int         i_bytes_per_line;
2065 #endif
2066
2067     /* Allocate memory for image */
2068 #ifdef MODULE_NAME_IS_xvideo
2069     p_data = (byte_t *) malloc( i_width * i_height * i_bits_per_pixel / 8 );
2070 #else
2071     i_bytes_per_line = i_width * i_bytes_per_pixel;
2072     p_data = (byte_t *) malloc( i_bytes_per_line * i_height );
2073 #endif
2074     if( !p_data )
2075     {
2076         msg_Err( p_vout, "out of memory" );
2077         return NULL;
2078     }
2079
2080 #ifdef MODULE_NAME_IS_x11
2081     /* Optimize the quantum of a scanline regarding its size - the quantum is
2082        a diviser of the number of bits between the start of two scanlines. */
2083     if( i_bytes_per_line & 0xf )
2084     {
2085         i_quantum = 0x8;
2086     }
2087     else if( i_bytes_per_line & 0x10 )
2088     {
2089         i_quantum = 0x10;
2090     }
2091     else
2092     {
2093         i_quantum = 0x20;
2094     }
2095 #endif
2096
2097     /* Create XImage. p_data will be automatically freed */
2098 #ifdef MODULE_NAME_IS_xvideo
2099     p_image = XvCreateImage( p_display, i_xvport, i_chroma,
2100                              p_data, i_width, i_height );
2101 #else
2102     p_image = XCreateImage( p_display, p_visual, i_depth, ZPixmap, 0,
2103                             p_data, i_width, i_height, i_quantum, 0 );
2104 #endif
2105     if( p_image == NULL )
2106     {
2107         msg_Err( p_vout, "XCreateImage() failed" );
2108         free( p_data );
2109         return NULL;
2110     }
2111
2112     return p_image;
2113 }
2114
2115 #ifdef MODULE_NAME_IS_x11
2116 /*****************************************************************************
2117  * SetPalette: sets an 8 bpp palette
2118  *****************************************************************************
2119  * This function sets the palette given as an argument. It does not return
2120  * anything, but could later send information on which colors it was unable
2121  * to set.
2122  *****************************************************************************/
2123 static void SetPalette( vout_thread_t *p_vout,
2124                         uint16_t *red, uint16_t *green, uint16_t *blue )
2125 {
2126     int i;
2127     XColor p_colors[255];
2128
2129     /* allocate palette */
2130     for( i = 0; i < 255; i++ )
2131     {
2132         /* kludge: colors are indexed reversely because color 255 seems
2133          * to be reserved for black even if we try to set it to white */
2134         p_colors[ i ].pixel = 255 - i;
2135         p_colors[ i ].pad   = 0;
2136         p_colors[ i ].flags = DoRed | DoGreen | DoBlue;
2137         p_colors[ i ].red   = red[ 255 - i ];
2138         p_colors[ i ].blue  = blue[ 255 - i ];
2139         p_colors[ i ].green = green[ 255 - i ];
2140     }
2141
2142     XStoreColors( p_vout->p_sys->p_display,
2143                   p_vout->p_sys->colormap, p_colors, 255 );
2144 }
2145 #endif
2146
2147 /*****************************************************************************
2148  * TestNetWMSupport: tests for Extended Window Manager Hints support
2149  *****************************************************************************/
2150 static void TestNetWMSupport( vout_thread_t *p_vout )
2151 {
2152     int i_ret, i_format;
2153     unsigned long i, i_items, i_bytesafter;
2154     Atom net_wm_supported, *p_args = NULL;
2155
2156     p_vout->p_sys->b_net_wm_state_fullscreen = VLC_FALSE;
2157     p_vout->p_sys->b_net_wm_state_above = VLC_FALSE;
2158     p_vout->p_sys->b_net_wm_state_below = VLC_FALSE;
2159     p_vout->p_sys->b_net_wm_state_stays_on_top = VLC_FALSE;
2160
2161     net_wm_supported =
2162         XInternAtom( p_vout->p_sys->p_display, "_NET_SUPPORTED", False );
2163
2164     i_ret = XGetWindowProperty( p_vout->p_sys->p_display,
2165                                 DefaultRootWindow( p_vout->p_sys->p_display ),
2166                                 net_wm_supported,
2167                                 0, 16384, False, AnyPropertyType,
2168                                 &net_wm_supported,
2169                                 &i_format, &i_items, &i_bytesafter,
2170                                 (unsigned char **)&p_args );
2171
2172     if( i_ret != Success || i_items == 0 ) return;
2173
2174     msg_Dbg( p_vout, "Window manager supports NetWM" );
2175
2176     p_vout->p_sys->net_wm_state =
2177         XInternAtom( p_vout->p_sys->p_display, "_NET_WM_STATE", False );
2178     p_vout->p_sys->net_wm_state_fullscreen =
2179         XInternAtom( p_vout->p_sys->p_display, "_NET_WM_STATE_FULLSCREEN",
2180                      False );
2181     p_vout->p_sys->net_wm_state_above =
2182         XInternAtom( p_vout->p_sys->p_display, "_NET_WM_STATE_ABOVE", False );
2183     p_vout->p_sys->net_wm_state_below =
2184         XInternAtom( p_vout->p_sys->p_display, "_NET_WM_STATE_BELOW", False );
2185     p_vout->p_sys->net_wm_state_stays_on_top =
2186         XInternAtom( p_vout->p_sys->p_display, "_NET_WM_STATE_STAYS_ON_TOP",
2187                      False );
2188
2189     for( i = 0; i < i_items; i++ )
2190     {
2191         if( p_args[i] == p_vout->p_sys->net_wm_state_fullscreen )
2192         {
2193             msg_Dbg( p_vout,
2194                      "Window manager supports _NET_WM_STATE_FULLSCREEN" );
2195             p_vout->p_sys->b_net_wm_state_fullscreen = VLC_TRUE;
2196         }
2197         else if( p_args[i] == p_vout->p_sys->net_wm_state_above )
2198         {
2199             msg_Dbg( p_vout, "Window manager supports _NET_WM_STATE_ABOVE" );
2200             p_vout->p_sys->b_net_wm_state_above = VLC_TRUE;
2201         }
2202         else if( p_args[i] == p_vout->p_sys->net_wm_state_below )
2203         {
2204             msg_Dbg( p_vout, "Window manager supports _NET_WM_STATE_BELOW" );
2205             p_vout->p_sys->b_net_wm_state_below = VLC_TRUE;
2206         }
2207         else if( p_args[i] == p_vout->p_sys->net_wm_state_stays_on_top )
2208         {
2209             msg_Dbg( p_vout,
2210                      "Window manager supports _NET_WM_STATE_STAYS_ON_TOP" );
2211             p_vout->p_sys->b_net_wm_state_stays_on_top = VLC_TRUE;
2212         }
2213     }
2214
2215     XFree( p_args );
2216 }