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

   1 /*****************************************************************************
   2  * xcommon.c: Functions common to the X11 and XVideo plugins
   3  *****************************************************************************
   4  * Copyright (C) 1998-2001 VideoLAN
   5  * $Id$
   6  *
   7  * Authors: Vincent Seguin <seguin@via.ecp.fr>
   8  *          Sam Hocevar <sam@zoy.org>
   9  *          David Kennedy <dkennedy@tinytoad.com>
  10  *          Gildas Bazin <gbazin@netcourrier.com>
  11  *
  12  * This program is free software; you can redistribute it and/or modify
  13  * it under the terms of the GNU General Public License as published by
  14  * the Free Software Foundation; either version 2 of the License, or
  15  * (at your option) any later version.
  16  *
  17  * This program is distributed in the hope that it will be useful,
  18  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  19  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  20  * GNU General Public License for more details.
  21  *
  22  * You should have received a copy of the GNU General Public License
  23  * along with this program; if not, write to the Free Software
  24  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111, USA.
  25  *****************************************************************************/
  26
  27 /*****************************************************************************
  28  * Preamble
  29  *****************************************************************************/
  30 #include <errno.h>                                                 /* ENOMEM */
  31 #include <stdlib.h>                                                /* free() */
  32 #include <string.h>                                            /* strerror() */
  33
  34 #include <vlc/vlc.h>
  35 #include <vlc/intf.h>
  36 #include <vlc/vout.h>
  37 #include <vlc_keys.h>
  38
  39 #ifdef HAVE_MACHINE_PARAM_H
  40     /* BSD */
  41 #   include <machine/param.h>
  42 #   include <sys/types.h>                                  /* typedef ushort */
  43 #   include <sys/ipc.h>
  44 #endif
  45
  46 #ifndef WIN32
  47 #   include <netinet/in.h>                            /* BSD: struct in_addr */
  48 #endif
  49
  50 #ifdef HAVE_SYS_SHM_H
  51 #   include <sys/shm.h>                                /* shmget(), shmctl() */
  52 #endif
  53
  54 #include <X11/Xlib.h>
  55 #include <X11/Xmd.h>
  56 #include <X11/Xutil.h>
  57 #include <X11/keysym.h>
  58 #ifdef HAVE_SYS_SHM_H
  59 #   include <X11/extensions/XShm.h>
  60 #endif
  61 #ifdef DPMSINFO_IN_DPMS_H
  62 #   include <X11/extensions/dpms.h>
  63 #endif
  64
  65 #ifdef MODULE_NAME_IS_xvideo
  66 #   include <X11/extensions/Xv.h>
  67 #   include <X11/extensions/Xvlib.h>
  68 #endif
  69
  70 #ifdef HAVE_XINERAMA
  71 #   include <X11/extensions/Xinerama.h>
  72 #endif
  73
  74 #include "xcommon.h"
  75
  76 /*****************************************************************************
  77  * Local prototypes
  78  *****************************************************************************/
  79 int  E_(Activate)   ( vlc_object_t * );
  80 void E_(Deactivate) ( vlc_object_t * );
  81
  82 static int  InitVideo      ( vout_thread_t * );
  83 static void EndVideo       ( vout_thread_t * );
  84 static void DisplayVideo   ( vout_thread_t *, picture_t * );
  85 static int  ManageVideo    ( vout_thread_t * );
  86 static int  Control        ( vout_thread_t *, int, va_list );
  87
  88 static int  InitDisplay    ( vout_thread_t * );
  89
  90 static int  CreateWindow   ( vout_thread_t *, x11_window_t * );
  91 static void DestroyWindow  ( vout_thread_t *, x11_window_t * );
  92
  93 static int  NewPicture     ( vout_thread_t *, picture_t * );
  94 static void FreePicture    ( vout_thread_t *, picture_t * );
  95
  96 static IMAGE_TYPE *CreateImage    ( vout_thread_t *,
  97                                     Display *, EXTRA_ARGS, int, int );
  98 #ifdef HAVE_SYS_SHM_H
  99 static IMAGE_TYPE *CreateShmImage ( vout_thread_t *,
 100                                     Display *, EXTRA_ARGS_SHM, int, int );
 101 #endif
 102
 103 static void ToggleFullScreen      ( vout_thread_t * );
 104
 105 static void EnableXScreenSaver    ( vout_thread_t * );
 106 static void DisableXScreenSaver   ( vout_thread_t * );
 107
 108 static void CreateCursor   ( vout_thread_t * );
 109 static void DestroyCursor  ( vout_thread_t * );
 110 static void ToggleCursor   ( vout_thread_t * );
 111
 112 #ifdef MODULE_NAME_IS_xvideo
 113 static int  XVideoGetPort    ( vout_thread_t *, vlc_fourcc_t, vlc_fourcc_t * );
 114 static void XVideoReleasePort( vout_thread_t *, int );
 115 #endif
 116
 117 #ifdef MODULE_NAME_IS_x11
 118 static void SetPalette     ( vout_thread_t *,
 119                              uint16_t *, uint16_t *, uint16_t * );
 120 #endif
 121
 122 static void TestNetWMSupport( vout_thread_t * );
 123 static int ConvertKey( int );
 124
 125 static int WindowOnTop( vout_thread_t *, vlc_bool_t );
 126
 127 /*****************************************************************************
 128  * Activate: allocate X11 video thread output method
 129  *****************************************************************************
 130  * This function allocate and initialize a X11 vout method. It uses some of the
 131  * vout properties to choose the window size, and change them according to the
 132  * actual properties of the display.
 133  *****************************************************************************/
 134 int E_(Activate) ( vlc_object_t *p_this )
 135 {
 136     vout_thread_t *p_vout = (vout_thread_t *)p_this;
 137     char *        psz_display;
 138      vlc_value_t  val, text;
 139
 140 #ifdef MODULE_NAME_IS_xvideo
 141     char *       psz_chroma;
 142     vlc_fourcc_t i_chroma = 0;
 143     vlc_bool_t   b_chroma = 0;
 144 #endif
 145
 146     p_vout->pf_init = InitVideo;
 147     p_vout->pf_end = EndVideo;
 148     p_vout->pf_manage = ManageVideo;
 149     p_vout->pf_render = NULL;
 150     p_vout->pf_display = DisplayVideo;
 151     p_vout->pf_control = Control;
 152
 153     /* Allocate structure */
 154     p_vout->p_sys = malloc( sizeof( vout_sys_t ) );
 155     if( p_vout->p_sys == NULL )
 156     {
 157         msg_Err( p_vout, "out of memory" );
 158         return VLC_ENOMEM;
 159     }
 160
 161     /* Open display, using the "display" config variable or the DISPLAY
 162      * environment variable */
 163     psz_display = config_GetPsz( p_vout, MODULE_STRING "-display" );
 164
 165     p_vout->p_sys->p_display = XOpenDisplay( psz_display );
 166
 167     if( p_vout->p_sys->p_display == NULL )                          /* error */
 168     {
 169         msg_Err( p_vout, "cannot open display %s",
 170                          XDisplayName( psz_display ) );
 171         free( p_vout->p_sys );
 172         if( psz_display ) free( psz_display );
 173         return VLC_EGENERIC;
 174     }
 175     if( psz_display ) free( psz_display );
 176
 177     /* Get a screen ID matching the XOpenDisplay return value */
 178     p_vout->p_sys->i_screen = DefaultScreen( p_vout->p_sys->p_display );
 179
 180 #ifdef MODULE_NAME_IS_xvideo
 181     psz_chroma = config_GetPsz( p_vout, "xvideo-chroma" );
 182     if( psz_chroma )
 183     {
 184         if( strlen( psz_chroma ) >= 4 )
 185         {
 186             /* Do not use direct assignment because we are not sure of the
 187              * alignment. */
 188             memcpy(&i_chroma, psz_chroma, 4);
 189             b_chroma = 1;
 190         }
 191
 192         free( psz_chroma );
 193     }
 194
 195     if( b_chroma )
 196     {
 197         msg_Dbg( p_vout, "forcing chroma 0x%.8x (%4.4s)",
 198                  i_chroma, (char*)&i_chroma );
 199     }
 200     else
 201     {
 202         i_chroma = p_vout->render.i_chroma;
 203     }
 204
 205     /* Check that we have access to an XVideo port providing this chroma */
 206     p_vout->p_sys->i_xvport = XVideoGetPort( p_vout, VLC2X11_FOURCC(i_chroma),
 207                                              &p_vout->output.i_chroma );
 208     if( p_vout->p_sys->i_xvport < 0 )
 209     {
 210         /* If a specific chroma format was requested, then we don't try to
 211          * be cleverer than the user. He knew pretty well what he wanted. */
 212         if( b_chroma )
 213         {
 214             XCloseDisplay( p_vout->p_sys->p_display );
 215             free( p_vout->p_sys );
 216             return VLC_EGENERIC;
 217         }
 218
 219         /* It failed, but it's not completely lost ! We try to open an
 220          * XVideo port for an YUY2 picture. We'll need to do an YUV
 221          * conversion, but at least it has got scaling. */
 222         p_vout->p_sys->i_xvport =
 223                         XVideoGetPort( p_vout, X11_FOURCC('Y','U','Y','2'),
 224                                                &p_vout->output.i_chroma );
 225         if( p_vout->p_sys->i_xvport < 0 )
 226         {
 227             /* It failed, but it's not completely lost ! We try to open an
 228              * XVideo port for a simple 16bpp RGB picture. We'll need to do
 229              * an YUV conversion, but at least it has got scaling. */
 230             p_vout->p_sys->i_xvport =
 231                             XVideoGetPort( p_vout, X11_FOURCC('R','V','1','6'),
 232                                                    &p_vout->output.i_chroma );
 233             if( p_vout->p_sys->i_xvport < 0 )
 234             {
 235                 XCloseDisplay( p_vout->p_sys->p_display );
 236                 free( p_vout->p_sys );
 237                 return VLC_EGENERIC;
 238             }
 239         }
 240     }
 241     p_vout->output.i_chroma = X112VLC_FOURCC(p_vout->output.i_chroma);
 242 #endif
 243
 244     /* Create blank cursor (for mouse cursor autohiding) */
 245     p_vout->p_sys->i_time_mouse_last_moved = mdate();
 246     p_vout->p_sys->b_mouse_pointer_visible = 1;
 247     CreateCursor( p_vout );
 248
 249     /* Set main window's size */
 250     p_vout->p_sys->original_window.i_width = p_vout->i_window_width;
 251     p_vout->p_sys->original_window.i_height = p_vout->i_window_height;
 252
 253     /* Spawn base window - this window will include the video output window,
 254      * but also command buttons, subtitles and other indicators */
 255     if( CreateWindow( p_vout, &p_vout->p_sys->original_window ) )
 256     {
 257         msg_Err( p_vout, "cannot create X11 window" );
 258         DestroyCursor( p_vout );
 259         XCloseDisplay( p_vout->p_sys->p_display );
 260         free( p_vout->p_sys );
 261         return VLC_EGENERIC;
 262     }
 263
 264     /* Open and initialize device. */
 265     if( InitDisplay( p_vout ) )
 266     {
 267         msg_Err( p_vout, "cannot initialize X11 display" );
 268         DestroyCursor( p_vout );
 269         DestroyWindow( p_vout, &p_vout->p_sys->original_window );
 270         XCloseDisplay( p_vout->p_sys->p_display );
 271         free( p_vout->p_sys );
 272         return VLC_EGENERIC;
 273     }
 274
 275     /* Disable screen saver */
 276     DisableXScreenSaver( p_vout );
 277
 278     /* Misc init */
 279     p_vout->p_sys->b_altfullscreen = 0;
 280     p_vout->p_sys->i_time_button_last_pressed = 0;
 281
 282     TestNetWMSupport( p_vout );
 283
 284     /* Variable to indicate if the window should be on top of others */
 285     /* Trigger a callback right now */
 286     var_Get( p_vout, "video-on-top", &val );
 287     var_Set( p_vout, "video-on-top", val );
 288
 289     return VLC_SUCCESS;
 290 }
 291
 292 /*****************************************************************************
 293  * Deactivate: destroy X11 video thread output method
 294  *****************************************************************************
 295  * Terminate an output method created by Open
 296  *****************************************************************************/
 297 void E_(Deactivate) ( vlc_object_t *p_this )
 298 {
 299     vout_thread_t *p_vout = (vout_thread_t *)p_this;
 300
 301     /* If the fullscreen window is still open, close it */
 302     if( p_vout->b_fullscreen )
 303     {
 304         ToggleFullScreen( p_vout );
 305     }
 306
 307     /* Restore cursor if it was blanked */
 308     if( !p_vout->p_sys->b_mouse_pointer_visible )
 309     {
 310         ToggleCursor( p_vout );
 311     }
 312
 313 #ifdef MODULE_NAME_IS_x11
 314     /* Destroy colormap */
 315     if( XDefaultDepth(p_vout->p_sys->p_display, p_vout->p_sys->i_screen) == 8 )
 316     {
 317         XFreeColormap( p_vout->p_sys->p_display, p_vout->p_sys->colormap );
 318     }
 319 #else
 320     XVideoReleasePort( p_vout, p_vout->p_sys->i_xvport );
 321 #endif
 322
 323     DestroyCursor( p_vout );
 324     EnableXScreenSaver( p_vout );
 325     DestroyWindow( p_vout, &p_vout->p_sys->original_window );
 326
 327     XCloseDisplay( p_vout->p_sys->p_display );
 328
 329     /* Destroy structure */
 330     free( p_vout->p_sys );
 331 }
 332
 333 /*****************************************************************************
 334  * InitVideo: initialize X11 video thread output method
 335  *****************************************************************************
 336  * This function create the XImages needed by the output thread. It is called
 337  * at the beginning of the thread, but also each time the window is resized.
 338  *****************************************************************************/
 339 static int InitVideo( vout_thread_t *p_vout )
 340 {
 341     int i_index;
 342     picture_t *p_pic;
 343
 344     I_OUTPUTPICTURES = 0;
 345
 346 #ifdef MODULE_NAME_IS_xvideo
 347     /* Initialize the output structure; we already found an XVideo port,
 348      * and the corresponding chroma we will be using. Since we can
 349      * arbitrary scale, stick to the coordinates and aspect. */
 350     p_vout->output.i_width  = p_vout->render.i_width;
 351     p_vout->output.i_height = p_vout->render.i_height;
 352     p_vout->output.i_aspect = p_vout->render.i_aspect;
 353
 354     switch( p_vout->output.i_chroma )
 355     {
 356         case VLC_FOURCC('R','V','1','5'):
 357             p_vout->output.i_rmask = 0x001f;
 358             p_vout->output.i_gmask = 0x07e0;
 359             p_vout->output.i_bmask = 0xf800;
 360             break;
 361         case VLC_FOURCC('R','V','1','6'):
 362             p_vout->output.i_rmask = 0x001f;
 363             p_vout->output.i_gmask = 0x03e0;
 364             p_vout->output.i_bmask = 0x7c00;
 365             break;
 366     }
 367
 368 #else
 369     /* Initialize the output structure: RGB with square pixels, whatever
 370      * the input format is, since it's the only format we know */
 371     switch( p_vout->p_sys->i_screen_depth )
 372     {
 373         case 8: /* FIXME: set the palette */
 374             p_vout->output.i_chroma = VLC_FOURCC('R','G','B','2'); break;
 375         case 15:
 376             p_vout->output.i_chroma = VLC_FOURCC('R','V','1','5'); break;
 377         case 16:
 378             p_vout->output.i_chroma = VLC_FOURCC('R','V','1','6'); break;
 379         case 24:
 380             p_vout->output.i_chroma = VLC_FOURCC('R','V','2','4'); break;
 381         case 32:
 382             p_vout->output.i_chroma = VLC_FOURCC('R','V','3','2'); break;
 383         default:
 384             msg_Err( p_vout, "unknown screen depth %i",
 385                      p_vout->p_sys->i_screen_depth );
 386             return VLC_SUCCESS;
 387     }
 388
 389     vout_PlacePicture( p_vout, p_vout->p_sys->p_win->i_width,
 390                        p_vout->p_sys->p_win->i_height,
 391                        &i_index, &i_index,
 392                        &p_vout->output.i_width, &p_vout->output.i_height );
 393
 394     /* Assume we have square pixels */
 395     p_vout->output.i_aspect = p_vout->output.i_width
 396                                * VOUT_ASPECT_FACTOR / p_vout->output.i_height;
 397 #endif
 398
 399     /* Try to initialize up to MAX_DIRECTBUFFERS direct buffers */
 400     while( I_OUTPUTPICTURES < MAX_DIRECTBUFFERS )
 401     {
 402         p_pic = NULL;
 403
 404         /* Find an empty picture slot */
 405         for( i_index = 0 ; i_index < VOUT_MAX_PICTURES ; i_index++ )
 406         {
 407           if( p_vout->p_picture[ i_index ].i_status == FREE_PICTURE )
 408             {
 409                 p_pic = p_vout->p_picture + i_index;
 410                 break;
 411             }
 412         }
 413
 414         /* Allocate the picture */
 415         if( p_pic == NULL || NewPicture( p_vout, p_pic ) )
 416         {
 417             break;
 418         }
 419
 420         p_pic->i_status = DESTROYED_PICTURE;
 421         p_pic->i_type   = DIRECT_PICTURE;
 422
 423         PP_OUTPUTPICTURE[ I_OUTPUTPICTURES ] = p_pic;
 424
 425         I_OUTPUTPICTURES++;
 426     }
 427
 428     return VLC_SUCCESS;
 429 }
 430
 431  /*****************************************************************************
 432  * DisplayVideo: displays previously rendered output
 433  *****************************************************************************
 434  * This function sends the currently rendered image to X11 server.
 435  * (The Xv extension takes care of "double-buffering".)
 436  *****************************************************************************/
 437 static void DisplayVideo( vout_thread_t *p_vout, picture_t *p_pic )
 438 {
 439     int i_width, i_height, i_x, i_y;
 440
 441     vout_PlacePicture( p_vout, p_vout->p_sys->p_win->i_width,
 442                        p_vout->p_sys->p_win->i_height,
 443                        &i_x, &i_y, &i_width, &i_height );
 444
 445 #ifdef HAVE_SYS_SHM_H
 446     if( p_vout->p_sys->b_shm )
 447     {
 448         /* Display rendered image using shared memory extension */
 449 #   ifdef MODULE_NAME_IS_xvideo
 450         XvShmPutImage( p_vout->p_sys->p_display, p_vout->p_sys->i_xvport,
 451                        p_vout->p_sys->p_win->video_window,
 452                        p_vout->p_sys->p_win->gc, p_pic->p_sys->p_image,
 453                        0 /*src_x*/, 0 /*src_y*/,
 454                        p_vout->output.i_width, p_vout->output.i_height,
 455                        0 /*dest_x*/, 0 /*dest_y*/, i_width, i_height,
 456                        False /* Don't put True here or you'll waste your CPU */ );
 457 #   else
 458         XShmPutImage( p_vout->p_sys->p_display,
 459                       p_vout->p_sys->p_win->video_window,
 460                       p_vout->p_sys->p_win->gc, p_pic->p_sys->p_image,
 461                       0 /*src_x*/, 0 /*src_y*/, 0 /*dest_x*/, 0 /*dest_y*/,
 462                       p_vout->output.i_width, p_vout->output.i_height,
 463                       False /* Don't put True here ! */ );
 464 #   endif
 465     }
 466     else
 467 #endif /* HAVE_SYS_SHM_H */
 468     {
 469         /* Use standard XPutImage -- this is gonna be slow ! */
 470 #ifdef MODULE_NAME_IS_xvideo
 471         XvPutImage( p_vout->p_sys->p_display, p_vout->p_sys->i_xvport,
 472                     p_vout->p_sys->p_win->video_window,
 473                     p_vout->p_sys->p_win->gc, p_pic->p_sys->p_image,
 474                     0 /*src_x*/, 0 /*src_y*/,
 475                     p_vout->output.i_width, p_vout->output.i_height,
 476                     0 /*dest_x*/, 0 /*dest_y*/, i_width, i_height );
 477 #else
 478         XPutImage( p_vout->p_sys->p_display,
 479                    p_vout->p_sys->p_win->video_window,
 480                    p_vout->p_sys->p_win->gc, p_pic->p_sys->p_image,
 481                    0 /*src_x*/, 0 /*src_y*/, 0 /*dest_x*/, 0 /*dest_y*/,
 482                    p_vout->output.i_width, p_vout->output.i_height );
 483 #endif
 484     }
 485
 486     /* Make sure the command is sent now - do NOT use XFlush !*/
 487     XSync( p_vout->p_sys->p_display, False );
 488 }
 489
 490 /*****************************************************************************
 491  * ManageVideo: handle X11 events
 492  *****************************************************************************
 493  * This function should be called regularly by video output thread. It manages
 494  * X11 events and allows window resizing. It returns a non null value on
 495  * error.
 496  *****************************************************************************/
 497 static int ManageVideo( vout_thread_t *p_vout )
 498 {
 499     XEvent      xevent;                                         /* X11 event */
 500     vlc_value_t val;
 501
 502     /* Handle events from the owner window */
 503     if( p_vout->p_sys->p_win->owner_window )
 504     {
 505         while( XCheckWindowEvent( p_vout->p_sys->p_display,
 506                                   p_vout->p_sys->p_win->owner_window,
 507                                   StructureNotifyMask, &xevent ) == True )
 508         {
 509             /* ConfigureNotify event: prepare  */
 510             if( xevent.type == ConfigureNotify )
 511             {
 512                 if( (unsigned int)xevent.xconfigure.width
 513                     != p_vout->p_sys->p_win->i_width ||
 514                     (unsigned int)xevent.xconfigure.height
 515                     != p_vout->p_sys->p_win->i_height )
 516                 {
 517                     /* Update dimensions */
 518                     XResizeWindow( p_vout->p_sys->p_display,
 519                                    p_vout->p_sys->p_win->base_window,
 520                                    xevent.xconfigure.width,
 521                                    xevent.xconfigure.height );
 522                 }
 523             }
 524         }
 525     }
 526
 527     /* Handle X11 events: ConfigureNotify events are parsed to know if the
 528      * output window's size changed, MapNotify and UnmapNotify to know if the
 529      * window is mapped (and if the display is useful), and ClientMessages
 530      * to intercept window destruction requests */
 531
 532     while( XCheckWindowEvent( p_vout->p_sys->p_display,
 533                               p_vout->p_sys->p_win->base_window,
 534                               StructureNotifyMask | KeyPressMask |
 535                               ButtonPressMask | ButtonReleaseMask |
 536                               PointerMotionMask | Button1MotionMask , &xevent )
 537            == True )
 538     {
 539         /* ConfigureNotify event: prepare  */
 540         if( xevent.type == ConfigureNotify )
 541         {
 542             if( (unsigned int)xevent.xconfigure.width
 543                    != p_vout->p_sys->p_win->i_width
 544               || (unsigned int)xevent.xconfigure.height
 545                     != p_vout->p_sys->p_win->i_height )
 546             {
 547                 /* Update dimensions */
 548                 p_vout->i_changes |= VOUT_SIZE_CHANGE;
 549                 p_vout->p_sys->p_win->i_width = xevent.xconfigure.width;
 550                 p_vout->p_sys->p_win->i_height = xevent.xconfigure.height;
 551             }
 552         }
 553         /* Keyboard event */
 554         else if( xevent.type == KeyPress )
 555         {
 556             unsigned int state = xevent.xkey.state;
 557             KeySym x_key_symbol;
 558             char i_key;                                   /* ISO Latin-1 key */
 559
 560             /* We may have keys like F1 trough F12, ESC ... */
 561             x_key_symbol = XKeycodeToKeysym( p_vout->p_sys->p_display,
 562                                              xevent.xkey.keycode, 0 );
 563             val.i_int = ConvertKey( (int)x_key_symbol );
 564
 565             xevent.xkey.state &= ~ShiftMask;
 566             xevent.xkey.state &= ~ControlMask;
 567             xevent.xkey.state &= ~Mod1Mask;
 568
 569             if( !val.i_int &&
 570                 XLookupString( &xevent.xkey, &i_key, 1, NULL, NULL ) )
 571             {
 572                 /* "Normal Keys"
 573                  * The reason why I use this instead of XK_0 is that
 574                  * with XLookupString, we don't have to care about
 575                  * keymaps. */
 576                 val.i_int = i_key;
 577             }
 578
 579             if( val.i_int )
 580             {
 581                 if( state & ShiftMask )
 582                 {
 583                     val.i_int |= KEY_MODIFIER_SHIFT;
 584                 }
 585                 if( state & ControlMask )
 586                 {
 587                     val.i_int |= KEY_MODIFIER_CTRL;
 588                 }
 589                 if( state & Mod1Mask )
 590                 {
 591                     val.i_int |= KEY_MODIFIER_ALT;
 592                 }
 593                 var_Set( p_vout->p_vlc, "key-pressed", val );
 594             }
 595         }
 596         /* Mouse click */
 597         else if( xevent.type == ButtonPress )
 598         {
 599             switch( ((XButtonEvent *)&xevent)->button )
 600             {
 601                 case Button1:
 602                     var_Get( p_vout, "mouse-button-down", &val );
 603                     val.i_int |= 1;
 604                     var_Set( p_vout, "mouse-button-down", val );
 605
 606                     /* detect double-clicks */
 607                     if( ( ((XButtonEvent *)&xevent)->time -
 608                           p_vout->p_sys->i_time_button_last_pressed ) < 300 )
 609                     {
 610                         p_vout->i_changes |= VOUT_FULLSCREEN_CHANGE;
 611                     }
 612
 613                     p_vout->p_sys->i_time_button_last_pressed =
 614                         ((XButtonEvent *)&xevent)->time;
 615                     break;
 616                 case Button2:
 617                     var_Get( p_vout, "mouse-button-down", &val );
 618                     val.i_int |= 2;
 619                     var_Set( p_vout, "mouse-button-down", val );
 620                     break;
 621
 622                 case Button3:
 623                     var_Get( p_vout, "mouse-button-down", &val );
 624                     val.i_int |= 4;
 625                     var_Set( p_vout, "mouse-button-down", val );
 626                     break;
 627
 628                 case Button4:
 629                     var_Get( p_vout, "mouse-button-down", &val );
 630                     val.i_int |= 8;
 631                     var_Set( p_vout, "mouse-button-down", val );
 632                     input_Seek( p_vout, 15, INPUT_SEEK_SECONDS | INPUT_SEEK_CUR );
 633                     break;
 634
 635                 case Button5:
 636                     var_Get( p_vout, "mouse-button-down", &val );
 637                     val.i_int |= 16;
 638                     var_Set( p_vout, "mouse-button-down", val );
 639                     input_Seek( p_vout, -15, INPUT_SEEK_SECONDS | INPUT_SEEK_CUR );
 640                     break;
 641             }
 642         }
 643         /* Mouse release */
 644         else if( xevent.type == ButtonRelease )
 645         {
 646             switch( ((XButtonEvent *)&xevent)->button )
 647             {
 648                 case Button1:
 649                     var_Get( p_vout, "mouse-button-down", &val );
 650                     val.i_int &= ~1;
 651                     var_Set( p_vout, "mouse-button-down", val );
 652
 653                     val.b_bool = VLC_TRUE;
 654                     var_Set( p_vout, "mouse-clicked", val );
 655                     break;
 656
 657                 case Button2:
 658                     {
 659                         playlist_t *p_playlist;
 660
 661                         var_Get( p_vout, "mouse-button-down", &val );
 662                         val.i_int &= ~2;
 663                         var_Set( p_vout, "mouse-button-down", val );
 664
 665                         p_playlist = vlc_object_find( p_vout,
 666                                                       VLC_OBJECT_PLAYLIST,
 667                                                       FIND_ANYWHERE );
 668                         if( p_playlist != NULL )
 669                         {
 670                             vlc_value_t val;
 671                             var_Get( p_playlist, "intf-show", &val );
 672                             val.b_bool = !val.b_bool;
 673                             var_Set( p_playlist, "intf-show", val );
 674                             vlc_object_release( p_playlist );
 675                         }
 676                     }
 677                     break;
 678
 679                 case Button3:
 680                     {
 681                         intf_thread_t *p_intf;
 682                         playlist_t *p_playlist;
 683
 684                         var_Get( p_vout, "mouse-button-down", &val );
 685                         val.i_int &= ~4;
 686                         var_Set( p_vout, "mouse-button-down", val );
 687                         p_intf = vlc_object_find( p_vout, VLC_OBJECT_INTF,
 688                                                           FIND_ANYWHERE );
 689                         if( p_intf )
 690                         {
 691                             p_intf->b_menu_change = 1;
 692                             vlc_object_release( p_intf );
 693                         }
 694
 695                         p_playlist = vlc_object_find( p_vout,
 696                                                       VLC_OBJECT_PLAYLIST,
 697                                                       FIND_ANYWHERE );
 698                         if( p_playlist != NULL )
 699                         {
 700                             vlc_value_t val;
 701                             var_Set( p_playlist, "intf-popupmenu", val );
 702                             vlc_object_release( p_playlist );
 703                         }
 704                     }
 705                     break;
 706
 707                 case Button4:
 708                     var_Get( p_vout, "mouse-button-down", &val );
 709                     val.i_int &= ~8;
 710                     var_Set( p_vout, "mouse-button-down", val );
 711                     break;
 712
 713                 case Button5:
 714                     var_Get( p_vout, "mouse-button-down", &val );
 715                     val.i_int &= ~16;
 716                     var_Set( p_vout, "mouse-button-down", val );
 717                     break;
 718
 719             }
 720         }
 721         /* Mouse move */
 722         else if( xevent.type == MotionNotify )
 723         {
 724             int i_width, i_height, i_x, i_y;
 725             vlc_value_t val;
 726
 727             /* somewhat different use for vout_PlacePicture:
 728              * here the values are needed to give to mouse coordinates
 729              * in the original picture space */
 730             vout_PlacePicture( p_vout, p_vout->p_sys->p_win->i_width,
 731                                p_vout->p_sys->p_win->i_height,
 732                                &i_x, &i_y, &i_width, &i_height );
 733
 734             val.i_int = ( xevent.xmotion.x - i_x )
 735                          * p_vout->render.i_width / i_width;
 736             var_Set( p_vout, "mouse-x", val );
 737             val.i_int = ( xevent.xmotion.y - i_y )
 738                          * p_vout->render.i_height / i_height;
 739             var_Set( p_vout, "mouse-y", val );
 740
 741             val.b_bool = VLC_TRUE;
 742             var_Set( p_vout, "mouse-moved", val );
 743
 744             p_vout->p_sys->i_time_mouse_last_moved = mdate();
 745             if( ! p_vout->p_sys->b_mouse_pointer_visible )
 746             {
 747                 ToggleCursor( p_vout );
 748             }
 749         }
 750         else if( xevent.type == ReparentNotify /* XXX: why do we get this? */
 751                   || xevent.type == MapNotify
 752                   || xevent.type == UnmapNotify )
 753         {
 754             /* Ignore these events */
 755         }
 756         else /* Other events */
 757         {
 758             msg_Warn( p_vout, "unhandled event %d received", xevent.type );
 759         }
 760     }
 761
 762     /* Handle events for video output sub-window */
 763     while( XCheckWindowEvent( p_vout->p_sys->p_display,
 764                               p_vout->p_sys->p_win->video_window,
 765                               ExposureMask, &xevent ) == True )
 766     {
 767         /* Window exposed (only handled if stream playback is paused) */
 768         if( xevent.type == Expose )
 769         {
 770             if( ((XExposeEvent *)&xevent)->count == 0 )
 771             {
 772                 /* (if this is the last a collection of expose events...) */
 773 #if 0
 774                 if( p_vout->p_vlc->p_input_bank->pp_input[0] != NULL )
 775                 {
 776                     if( PAUSE_S == p_vout->p_vlc->p_input_bank->pp_input[0]
 777                                                    ->stream.control.i_status )
 778                     {
 779                         /* XVideoDisplay( p_vout )*/;
 780                     }
 781                 }
 782 #endif
 783             }
 784         }
 785     }
 786
 787     /* ClientMessage event - only WM_PROTOCOLS with WM_DELETE_WINDOW data
 788      * are handled - according to the man pages, the format is always 32
 789      * in this case */
 790     while( XCheckTypedEvent( p_vout->p_sys->p_display,
 791                              ClientMessage, &xevent ) )
 792     {
 793         if( (xevent.xclient.message_type == p_vout->p_sys->p_win->wm_protocols)
 794                && ((Atom)xevent.xclient.data.l[0]
 795                      == p_vout->p_sys->p_win->wm_delete_window ) )
 796         {
 797             /* the user wants to close the window */
 798             playlist_t * p_playlist =
 799                 (playlist_t *)vlc_object_find( p_vout, VLC_OBJECT_PLAYLIST,
 800                                                FIND_ANYWHERE );
 801             if( p_playlist != NULL )
 802             {
 803                 playlist_Stop( p_playlist );
 804                 vlc_object_release( p_playlist );
 805             }
 806         }
 807     }
 808
 809     /*
 810      * Fullscreen Change
 811      */
 812     if ( p_vout->i_changes & VOUT_FULLSCREEN_CHANGE )
 813     {
 814         vlc_value_t val;
 815
 816         /* Update the object variable and trigger callback */
 817         val.b_bool = !p_vout->b_fullscreen;
 818         var_Set( p_vout, "fullscreen", val );
 819
 820         ToggleFullScreen( p_vout );
 821         p_vout->i_changes &= ~VOUT_FULLSCREEN_CHANGE;
 822     }
 823
 824     /*
 825      * Size change
 826      *
 827      * (Needs to be placed after VOUT_FULLSREEN_CHANGE because we can activate
 828      *  the size flag inside the fullscreen routine)
 829      */
 830     if( p_vout->i_changes & VOUT_SIZE_CHANGE )
 831     {
 832         int i_width, i_height, i_x, i_y;
 833
 834         p_vout->i_changes &= ~VOUT_SIZE_CHANGE;
 835
 836 #ifdef MODULE_NAME_IS_x11
 837         /* We need to signal the vout thread about the size change because it
 838          * is doing the rescaling */
 839         p_vout->i_changes |= VOUT_SIZE_CHANGE;
 840 #endif
 841
 842         vout_PlacePicture( p_vout, p_vout->p_sys->p_win->i_width,
 843                            p_vout->p_sys->p_win->i_height,
 844                            &i_x, &i_y, &i_width, &i_height );
 845
 846         XMoveResizeWindow( p_vout->p_sys->p_display,
 847                            p_vout->p_sys->p_win->video_window,
 848                            i_x, i_y, i_width, i_height );
 849     }
 850
 851     /* Autohide Cursour */
 852     if( mdate() - p_vout->p_sys->i_time_mouse_last_moved > 2000000 )
 853     {
 854         /* Hide the mouse automatically */
 855         if( p_vout->p_sys->b_mouse_pointer_visible )
 856         {
 857             ToggleCursor( p_vout );
 858         }
 859     }
 860
 861     return 0;
 862 }
 863
 864 /*****************************************************************************
 865  * EndVideo: terminate X11 video thread output method
 866  *****************************************************************************
 867  * Destroy the X11 XImages created by Init. It is called at the end of
 868  * the thread, but also each time the window is resized.
 869  *****************************************************************************/
 870 static void EndVideo( vout_thread_t *p_vout )
 871 {
 872     int i_index;
 873
 874     /* Free the direct buffers we allocated */
 875     for( i_index = I_OUTPUTPICTURES ; i_index ; )
 876     {
 877         i_index--;
 878         FreePicture( p_vout, PP_OUTPUTPICTURE[ i_index ] );
 879     }
 880 }
 881
 882 /* following functions are local */
 883
 884 /*****************************************************************************
 885  * CreateWindow: open and set-up X11 main window
 886  *****************************************************************************/
 887 static int CreateWindow( vout_thread_t *p_vout, x11_window_t *p_win )
 888 {
 889     XSizeHints              xsize_hints;
 890     XSetWindowAttributes    xwindow_attributes;
 891     XGCValues               xgcvalues;
 892     XEvent                  xevent;
 893
 894     vlc_bool_t              b_expose = VLC_FALSE;
 895     vlc_bool_t              b_configure_notify = VLC_FALSE;
 896     vlc_bool_t              b_map_notify = VLC_FALSE;
 897
 898     /* Prepare window manager hints and properties */
 899     p_win->wm_protocols =
 900              XInternAtom( p_vout->p_sys->p_display, "WM_PROTOCOLS", True );
 901     p_win->wm_delete_window =
 902              XInternAtom( p_vout->p_sys->p_display, "WM_DELETE_WINDOW", True );
 903
 904     /* Prepare window attributes */
 905     xwindow_attributes.backing_store = Always;       /* save the hidden part */
 906     xwindow_attributes.background_pixel = BlackPixel(p_vout->p_sys->p_display,
 907                                                      p_vout->p_sys->i_screen);
 908     xwindow_attributes.event_mask = ExposureMask | StructureNotifyMask;
 909
 910     if( !p_vout->b_fullscreen )
 911     {
 912         p_win->owner_window =
 913             (Window)vout_RequestWindow( p_vout, &p_win->i_x, &p_win->i_y,
 914                                         &p_win->i_width, &p_win->i_height );
 915
 916         xsize_hints.base_width  = xsize_hints.width = p_win->i_width;
 917         xsize_hints.base_height = xsize_hints.height = p_win->i_height;
 918         xsize_hints.flags       = PSize;
 919
 920         if( p_win->i_x >=0 || p_win->i_y >= 0 )
 921         {
 922             xsize_hints.x = p_win->i_x;
 923             xsize_hints.y = p_win->i_y;
 924             xsize_hints.flags |= PPosition;
 925         }
 926     }
 927     else
 928     {
 929         /* Fullscreen window size and position */
 930         p_win->owner_window = 0;
 931         p_win->i_x = p_win->i_y = 0;
 932         p_win->i_width =
 933             DisplayWidth( p_vout->p_sys->p_display, p_vout->p_sys->i_screen );
 934         p_win->i_height =
 935             DisplayHeight( p_vout->p_sys->p_display, p_vout->p_sys->i_screen );
 936     }
 937
 938     if( !p_win->owner_window )
 939     {
 940         /* Create the window and set hints - the window must receive
 941          * ConfigureNotify events, and until it is displayed, Expose and
 942          * MapNotify events. */
 943
 944         p_win->base_window =
 945             XCreateWindow( p_vout->p_sys->p_display,
 946                            DefaultRootWindow( p_vout->p_sys->p_display ),
 947                            p_win->i_x, p_win->i_y,
 948                            p_win->i_width, p_win->i_height,
 949                            0,
 950                            0, InputOutput, 0,
 951                            CWBackingStore | CWBackPixel | CWEventMask,
 952                            &xwindow_attributes );
 953
 954         if( !p_vout->b_fullscreen )
 955         {
 956             /* Set window manager hints and properties: size hints, command,
 957              * window's name, and accepted protocols */
 958             XSetWMNormalHints( p_vout->p_sys->p_display,
 959                                p_win->base_window, &xsize_hints );
 960             XSetCommand( p_vout->p_sys->p_display, p_win->base_window,
 961                          p_vout->p_vlc->ppsz_argv, p_vout->p_vlc->i_argc );
 962
 963             XStoreName( p_vout->p_sys->p_display, p_win->base_window,
 964 #ifdef MODULE_NAME_IS_x11
 965                         VOUT_TITLE " (X11 output)"
 966 #else
 967                         VOUT_TITLE " (XVideo output)"
 968 #endif
 969                       );
 970         }
 971     }
 972     else
 973     {
 974         Window dummy1;
 975         unsigned int dummy2, dummy3;
 976
 977         /* Select events we are interested in. */
 978         XSelectInput( p_vout->p_sys->p_display, p_win->owner_window,
 979                       StructureNotifyMask );
 980
 981         /* Get the parent window's geometry information */
 982         XGetGeometry( p_vout->p_sys->p_display, p_win->owner_window,
 983                       &dummy1, &dummy2, &dummy3,
 984                       &p_win->i_width,
 985                       &p_win->i_height,
 986                       &dummy2, &dummy3 );
 987
 988         /* We are already configured */
 989         b_configure_notify = VLC_TRUE;
 990
 991         /* From man XSelectInput: only one client at a time can select a
 992          * ButtonPress event, so we need to open a new window anyway. */
 993         p_win->base_window =
 994             XCreateWindow( p_vout->p_sys->p_display,
 995                            p_win->owner_window,
 996                            0, 0,
 997                            p_win->i_width, p_win->i_height,
 998                            0,
 999                            0, CopyFromParent, 0,
1000                            CWBackingStore | CWBackPixel | CWEventMask,
1001                            &xwindow_attributes );
1002     }
1003
1004     if( (p_win->wm_protocols == None)        /* use WM_DELETE_WINDOW */
1005         || (p_win->wm_delete_window == None)
1006         || !XSetWMProtocols( p_vout->p_sys->p_display, p_win->base_window,
1007                              &p_win->wm_delete_window, 1 ) )
1008     {
1009         /* WM_DELETE_WINDOW is not supported by window manager */
1010         msg_Warn( p_vout, "missing or bad window manager" );
1011     }
1012
1013     /* Creation of a graphic context that doesn't generate a GraphicsExpose
1014      * event when using functions like XCopyArea */
1015     xgcvalues.graphics_exposures = False;
1016     p_win->gc = XCreateGC( p_vout->p_sys->p_display,
1017                            p_win->base_window,
1018                            GCGraphicsExposures, &xgcvalues );
1019
1020     /* Send orders to server, and wait until window is displayed - three
1021      * events must be received: a MapNotify event, an Expose event allowing
1022      * drawing in the window, and a ConfigureNotify to get the window
1023      * dimensions. Once those events have been received, only
1024      * ConfigureNotify events need to be received. */
1025     XMapWindow( p_vout->p_sys->p_display, p_win->base_window );
1026     do
1027     {
1028         XNextEvent( p_vout->p_sys->p_display, &xevent);
1029         if( (xevent.type == Expose)
1030             && (xevent.xexpose.window == p_win->base_window) )
1031         {
1032             b_expose = VLC_TRUE;
1033         }
1034         else if( (xevent.type == MapNotify)
1035                  && (xevent.xmap.window == p_win->base_window) )
1036         {
1037             b_map_notify = VLC_TRUE;
1038         }
1039         else if( (xevent.type == ConfigureNotify)
1040                  && (xevent.xconfigure.window == p_win->base_window) )
1041         {
1042             b_configure_notify = VLC_TRUE;
1043             p_win->i_width = xevent.xconfigure.width;
1044             p_win->i_height = xevent.xconfigure.height;
1045         }
1046     } while( !( b_expose && b_configure_notify && b_map_notify ) );
1047
1048     XSelectInput( p_vout->p_sys->p_display, p_win->base_window,
1049                   StructureNotifyMask | KeyPressMask |
1050                   ButtonPressMask | ButtonReleaseMask |
1051                   PointerMotionMask );
1052
1053 #ifdef MODULE_NAME_IS_x11
1054     if( XDefaultDepth(p_vout->p_sys->p_display, p_vout->p_sys->i_screen) == 8 )
1055     {
1056         /* Allocate a new palette */
1057         p_vout->p_sys->colormap =
1058             XCreateColormap( p_vout->p_sys->p_display,
1059                              DefaultRootWindow( p_vout->p_sys->p_display ),
1060                              DefaultVisual( p_vout->p_sys->p_display,
1061                                             p_vout->p_sys->i_screen ),
1062                              AllocAll );
1063
1064         xwindow_attributes.colormap = p_vout->p_sys->colormap;
1065         XChangeWindowAttributes( p_vout->p_sys->p_display, p_win->base_window,
1066                                  CWColormap, &xwindow_attributes );
1067     }
1068 #endif
1069
1070     /* Create video output sub-window. */
1071     p_win->video_window =  XCreateSimpleWindow(
1072                                       p_vout->p_sys->p_display,
1073                                       p_win->base_window, 0, 0,
1074                                       p_win->i_width, p_win->i_height,
1075                                       0,
1076                                       BlackPixel( p_vout->p_sys->p_display,
1077                                                   p_vout->p_sys->i_screen ),
1078                                       WhitePixel( p_vout->p_sys->p_display,
1079                                                   p_vout->p_sys->i_screen ) );
1080
1081     XSetWindowBackground( p_vout->p_sys->p_display, p_win->video_window,
1082                           BlackPixel( p_vout->p_sys->p_display,
1083                                       p_vout->p_sys->i_screen ) );
1084
1085     XMapWindow( p_vout->p_sys->p_display, p_win->video_window );
1086     XSelectInput( p_vout->p_sys->p_display, p_win->video_window,
1087                   ExposureMask );
1088
1089     /* make sure the video window will be centered in the next ManageVideo() */
1090     p_vout->i_changes |= VOUT_SIZE_CHANGE;
1091
1092     /* If the cursor was formerly blank than blank it again */
1093     if( !p_vout->p_sys->b_mouse_pointer_visible )
1094     {
1095         ToggleCursor( p_vout );
1096         ToggleCursor( p_vout );
1097     }
1098
1099     /* Do NOT use XFlush here ! */
1100     XSync( p_vout->p_sys->p_display, False );
1101
1102     /* At this stage, the window is open, displayed, and ready to
1103      * receive data */
1104     p_vout->p_sys->p_win = p_win;
1105
1106     return VLC_SUCCESS;
1107 }
1108
1109 /*****************************************************************************
1110  * DestroyWindow: destroy the window
1111  *****************************************************************************
1112  *
1113  *****************************************************************************/
1114 static void DestroyWindow( vout_thread_t *p_vout, x11_window_t *p_win )
1115 {
1116     /* Do NOT use XFlush here ! */
1117     XSync( p_vout->p_sys->p_display, False );
1118
1119     XDestroyWindow( p_vout->p_sys->p_display, p_win->video_window );
1120     XFreeGC( p_vout->p_sys->p_display, p_win->gc );
1121
1122     XUnmapWindow( p_vout->p_sys->p_display, p_win->base_window );
1123     XDestroyWindow( p_vout->p_sys->p_display, p_win->base_window );
1124
1125     if( p_win->owner_window )
1126         vout_ReleaseWindow( p_vout, (void *)p_win->owner_window );
1127 }
1128
1129 /*****************************************************************************
1130  * NewPicture: allocate a picture
1131  *****************************************************************************
1132  * Returns 0 on success, -1 otherwise
1133  *****************************************************************************/
1134 static int NewPicture( vout_thread_t *p_vout, picture_t *p_pic )
1135 {
1136 #ifdef MODULE_NAME_IS_xvideo
1137     int i_plane;
1138 #endif
1139
1140     /* We know the chroma, allocate a buffer which will be used
1141      * directly by the decoder */
1142     p_pic->p_sys = malloc( sizeof( picture_sys_t ) );
1143
1144     if( p_pic->p_sys == NULL )
1145     {
1146         return -1;
1147     }
1148
1149     /* Fill in picture_t fields */
1150     vout_InitPicture( VLC_OBJECT(p_vout), p_pic, p_vout->output.i_chroma,
1151                       p_vout->output.i_width, p_vout->output.i_height,
1152                       p_vout->output.i_aspect );
1153
1154 #ifdef HAVE_SYS_SHM_H
1155     if( p_vout->p_sys->b_shm )
1156     {
1157         /* Create image using XShm extension */
1158         p_pic->p_sys->p_image =
1159             CreateShmImage( p_vout, p_vout->p_sys->p_display,
1160 #   ifdef MODULE_NAME_IS_xvideo
1161                             p_vout->p_sys->i_xvport, p_vout->output.i_chroma,
1162 #   else
1163                             p_vout->p_sys->p_visual,
1164                             p_vout->p_sys->i_screen_depth,
1165 #   endif
1166                             &p_pic->p_sys->shminfo,
1167                             p_vout->output.i_width, p_vout->output.i_height );
1168     }
1169     else
1170 #endif /* HAVE_SYS_SHM_H */
1171     {
1172         /* Create image without XShm extension */
1173         p_pic->p_sys->p_image =
1174             CreateImage( p_vout, p_vout->p_sys->p_display,
1175 #ifdef MODULE_NAME_IS_xvideo
1176                          p_vout->p_sys->i_xvport, p_vout->output.i_chroma,
1177                          p_pic->format.i_bits_per_pixel,
1178 #else
1179                          p_vout->p_sys->p_visual,
1180                          p_vout->p_sys->i_screen_depth,
1181                          p_vout->p_sys->i_bytes_per_pixel,
1182 #endif
1183                          p_vout->output.i_width, p_vout->output.i_height );
1184     }
1185
1186     if( p_pic->p_sys->p_image == NULL )
1187     {
1188         free( p_pic->p_sys );
1189         return -1;
1190     }
1191
1192     switch( p_vout->output.i_chroma )
1193     {
1194 #ifdef MODULE_NAME_IS_xvideo
1195         case VLC_FOURCC('I','4','2','0'):
1196         case VLC_FOURCC('Y','V','1','2'):
1197         case VLC_FOURCC('Y','2','1','1'):
1198         case VLC_FOURCC('Y','U','Y','2'):
1199         case VLC_FOURCC('U','Y','V','Y'):
1200         case VLC_FOURCC('R','V','1','5'):
1201         case VLC_FOURCC('R','V','1','6'):
1202         case VLC_FOURCC('R','V','2','4'): /* Fixme: pixel pitch == 4 ? */
1203         case VLC_FOURCC('R','V','3','2'):
1204
1205             for( i_plane = 0; i_plane < p_pic->p_sys->p_image->num_planes;
1206                  i_plane++ )
1207             {
1208                 p_pic->p[i_plane].p_pixels = p_pic->p_sys->p_image->data
1209                     + p_pic->p_sys->p_image->offsets[i_plane];
1210                 p_pic->p[i_plane].i_pitch =
1211                     p_pic->p_sys->p_image->pitches[i_plane];
1212             }
1213             if( p_vout->output.i_chroma == VLC_FOURCC('Y','V','1','2') )
1214             {
1215                 /* U and V inverted compared to I420
1216                  * Fixme: this should be handled by the vout core */
1217                 p_pic->U_PIXELS = p_pic->p_sys->p_image->data
1218                     + p_pic->p_sys->p_image->offsets[2];
1219                 p_pic->V_PIXELS = p_pic->p_sys->p_image->data
1220                     + p_pic->p_sys->p_image->offsets[1];
1221             }
1222             break;
1223
1224 #else
1225         case VLC_FOURCC('R','G','B','2'):
1226         case VLC_FOURCC('R','V','1','6'):
1227         case VLC_FOURCC('R','V','1','5'):
1228         case VLC_FOURCC('R','V','2','4'):
1229         case VLC_FOURCC('R','V','3','2'):
1230
1231             p_pic->p->i_lines = p_pic->p_sys->p_image->height;
1232             p_pic->p->p_pixels = p_pic->p_sys->p_image->data
1233                                   + p_pic->p_sys->p_image->xoffset;
1234             p_pic->p->i_pitch = p_pic->p_sys->p_image->bytes_per_line;
1235
1236             /* p_pic->p->i_pixel_pitch = 4 for RV24 but this should be set
1237              * properly by vout_InitPicture() */
1238             p_pic->p->i_visible_pitch = p_pic->p->i_pixel_pitch
1239                                          * p_pic->p_sys->p_image->width;
1240             break;
1241 #endif
1242
1243         default:
1244             /* Unknown chroma, tell the guy to get lost */
1245             IMAGE_FREE( p_pic->p_sys->p_image );
1246             free( p_pic->p_sys );
1247             msg_Err( p_vout, "never heard of chroma 0x%.8x (%4.4s)",
1248                      p_vout->output.i_chroma, (char*)&p_vout->output.i_chroma );
1249             p_pic->i_planes = 0;
1250             return -1;
1251     }
1252
1253     return 0;
1254 }
1255
1256 /*****************************************************************************
1257  * FreePicture: destroy a picture allocated with NewPicture
1258  *****************************************************************************
1259  * Destroy XImage AND associated data. If using Shm, detach shared memory
1260  * segment from server and process, then free it. The XDestroyImage manpage
1261  * says that both the image structure _and_ the data pointed to by the
1262  * image structure are freed, so no need to free p_image->data.
1263  *****************************************************************************/
1264 static void FreePicture( vout_thread_t *p_vout, picture_t *p_pic )
1265 {
1266     /* The order of operations is correct */
1267 #ifdef HAVE_SYS_SHM_H
1268     if( p_vout->p_sys->b_shm )
1269     {
1270         XShmDetach( p_vout->p_sys->p_display, &p_pic->p_sys->shminfo );
1271         IMAGE_FREE( p_pic->p_sys->p_image );
1272
1273         shmctl( p_pic->p_sys->shminfo.shmid, IPC_RMID, 0 );
1274         if( shmdt( p_pic->p_sys->shminfo.shmaddr ) )
1275         {
1276             msg_Err( p_vout, "cannot detach shared memory (%s)",
1277                              strerror(errno) );
1278         }
1279     }
1280     else
1281 #endif
1282     {
1283         IMAGE_FREE( p_pic->p_sys->p_image );
1284     }
1285
1286     /* Do NOT use XFlush here ! */
1287     XSync( p_vout->p_sys->p_display, False );
1288
1289     free( p_pic->p_sys );
1290 }
1291
1292 /*****************************************************************************
1293  * ToggleFullScreen: Enable or disable full screen mode
1294  *****************************************************************************
1295  * This function will switch between fullscreen and window mode.
1296  *****************************************************************************/
1297 static void ToggleFullScreen ( vout_thread_t *p_vout )
1298 {
1299     Atom prop;
1300     XEvent xevent;
1301     mwmhints_t mwmhints;
1302     XSetWindowAttributes attributes;
1303
1304 #ifdef HAVE_XINERAMA
1305     int i_d1, i_d2;
1306 #endif
1307
1308     p_vout->b_fullscreen = !p_vout->b_fullscreen;
1309
1310     if( p_vout->b_fullscreen )
1311     {
1312         msg_Dbg( p_vout, "entering fullscreen mode" );
1313
1314         p_vout->p_sys->b_altfullscreen =
1315             config_GetInt( p_vout, MODULE_STRING "-altfullscreen" );
1316
1317         XUnmapWindow( p_vout->p_sys->p_display,
1318                       p_vout->p_sys->p_win->base_window);
1319
1320         p_vout->p_sys->p_win = &p_vout->p_sys->fullscreen_window;
1321
1322         CreateWindow( p_vout, p_vout->p_sys->p_win );
1323
1324         /* To my knowledge there are two ways to create a borderless window.
1325          * There's the generic way which is to tell x to bypass the window
1326          * manager, but this creates problems with the focus of other
1327          * applications.
1328          * The other way is to use the motif property "_MOTIF_WM_HINTS" which
1329          * luckily seems to be supported by most window managers. */
1330         if( !p_vout->p_sys->b_altfullscreen )
1331         {
1332             mwmhints.flags = MWM_HINTS_DECORATIONS;
1333             mwmhints.decorations = False;
1334
1335             prop = XInternAtom( p_vout->p_sys->p_display, "_MOTIF_WM_HINTS",
1336                                 False );
1337             XChangeProperty( p_vout->p_sys->p_display,
1338                              p_vout->p_sys->p_win->base_window,
1339                              prop, prop, 32, PropModeReplace,
1340                              (unsigned char *)&mwmhints,
1341                              PROP_MWM_HINTS_ELEMENTS );
1342         }
1343         else
1344         {
1345             /* brute force way to remove decorations */
1346             attributes.override_redirect = True;
1347             XChangeWindowAttributes( p_vout->p_sys->p_display,
1348                                      p_vout->p_sys->p_win->base_window,
1349                                      CWOverrideRedirect,
1350                                      &attributes);
1351
1352             /* Make sure the change is effective */
1353             XReparentWindow( p_vout->p_sys->p_display,
1354                              p_vout->p_sys->p_win->base_window,
1355                              DefaultRootWindow( p_vout->p_sys->p_display ),
1356                              0, 0 );
1357         }
1358
1359         if( p_vout->p_sys->b_net_wm_state_fullscreen )
1360         {
1361             XClientMessageEvent event;
1362
1363             memset( &event, 0, sizeof( XClientMessageEvent ) );
1364
1365             event.type = ClientMessage;
1366             event.message_type = p_vout->p_sys->net_wm_state;
1367             event.display = p_vout->p_sys->p_display;
1368             event.window = p_vout->p_sys->p_win->base_window;
1369             event.format = 32;
1370             event.data.l[ 0 ] = 1; /* set property */
1371             event.data.l[ 1 ] = p_vout->p_sys->net_wm_state_fullscreen;
1372
1373             XSendEvent( p_vout->p_sys->p_display,
1374                         DefaultRootWindow( p_vout->p_sys->p_display ),
1375                         False, SubstructureRedirectMask,
1376                         (XEvent*)&event );
1377         }
1378
1379         /* Make sure the change is effective */
1380         XReparentWindow( p_vout->p_sys->p_display,
1381                          p_vout->p_sys->p_win->base_window,
1382                          DefaultRootWindow( p_vout->p_sys->p_display ),
1383                          0, 0 );
1384
1385 #ifdef HAVE_XINERAMA
1386         if( XineramaQueryExtension( p_vout->p_sys->p_display, &i_d1, &i_d2 ) &&
1387             XineramaIsActive( p_vout->p_sys->p_display ) )
1388         {
1389             XineramaScreenInfo *screens;   /* infos for xinerama */
1390             int i_num_screens;
1391
1392             msg_Dbg( p_vout, "using XFree Xinerama extension");
1393
1394 #define SCREEN p_vout->p_sys->p_win->i_screen
1395
1396             /* Get Informations about Xinerama (num of screens) */
1397             screens = XineramaQueryScreens( p_vout->p_sys->p_display,
1398                                             &i_num_screens );
1399
1400             if( !SCREEN )
1401                 SCREEN = config_GetInt( p_vout,
1402                                         MODULE_STRING "-xineramascreen" );
1403
1404             /* just check that user has entered a good value */
1405             if( SCREEN >= i_num_screens || SCREEN < 0 )
1406             {
1407                 msg_Dbg( p_vout, "requested screen number invalid" );
1408                 SCREEN = 0;
1409             }
1410
1411             /* Get the X/Y upper left corner coordinate of the above screen */
1412             p_vout->p_sys->p_win->i_x = screens[SCREEN].x_org;
1413             p_vout->p_sys->p_win->i_y = screens[SCREEN].y_org;
1414
1415             /* Set the Height/width to the screen resolution */
1416             p_vout->p_sys->p_win->i_width = screens[SCREEN].width;
1417             p_vout->p_sys->p_win->i_height = screens[SCREEN].height;
1418
1419             XFree(screens);
1420
1421 #undef SCREEN
1422
1423         }
1424 #endif
1425
1426         XMoveResizeWindow( p_vout->p_sys->p_display,
1427                            p_vout->p_sys->p_win->base_window,
1428                            p_vout->p_sys->p_win->i_x,
1429                            p_vout->p_sys->p_win->i_y,
1430                            p_vout->p_sys->p_win->i_width,
1431                            p_vout->p_sys->p_win->i_height );
1432     }
1433     else
1434     {
1435         msg_Dbg( p_vout, "leaving fullscreen mode" );
1436         DestroyWindow( p_vout, &p_vout->p_sys->fullscreen_window );
1437         p_vout->p_sys->p_win = &p_vout->p_sys->original_window;
1438
1439         XMapWindow( p_vout->p_sys->p_display,
1440                     p_vout->p_sys->p_win->base_window);
1441     }
1442
1443     /* Unfortunately, using XSync() here is not enough to ensure the
1444      * window has already been mapped because the XMapWindow() request
1445      * has not necessarily been sent directly to our window (remember,
1446      * the call is first redirected to the window manager) */
1447     do
1448     {
1449         XWindowEvent( p_vout->p_sys->p_display,
1450                       p_vout->p_sys->p_win->base_window,
1451                       StructureNotifyMask, &xevent );
1452     } while( xevent.type != MapNotify );
1453
1454     /* Be careful, this can generate a BadMatch error if the window is not
1455      * already mapped by the server (see above) */
1456     XSetInputFocus(p_vout->p_sys->p_display,
1457                    p_vout->p_sys->p_win->base_window,
1458                    RevertToParent,
1459                    CurrentTime);
1460
1461     /* signal that the size needs to be updated */
1462     p_vout->i_changes |= VOUT_SIZE_CHANGE;
1463 }
1464
1465 /*****************************************************************************
1466  * EnableXScreenSaver: enable screen saver
1467  *****************************************************************************
1468  * This function enables the screen saver on a display after it has been
1469  * disabled by XDisableScreenSaver.
1470  * FIXME: what happens if multiple vlc sessions are running at the same
1471  *        time ???
1472  *****************************************************************************/
1473 static void EnableXScreenSaver( vout_thread_t *p_vout )
1474 {
1475 #ifdef DPMSINFO_IN_DPMS_H
1476     int dummy;
1477 #endif
1478
1479     if( p_vout->p_sys->i_ss_timeout )
1480     {
1481         XSetScreenSaver( p_vout->p_sys->p_display, p_vout->p_sys->i_ss_timeout,
1482                          p_vout->p_sys->i_ss_interval,
1483                          p_vout->p_sys->i_ss_blanking,
1484                          p_vout->p_sys->i_ss_exposure );
1485     }
1486
1487     /* Restore DPMS settings */
1488 #ifdef DPMSINFO_IN_DPMS_H
1489     if( DPMSQueryExtension( p_vout->p_sys->p_display, &dummy, &dummy ) )
1490     {
1491         if( p_vout->p_sys->b_ss_dpms )
1492         {
1493             DPMSEnable( p_vout->p_sys->p_display );
1494         }
1495     }
1496 #endif
1497 }
1498
1499 /*****************************************************************************
1500  * DisableXScreenSaver: disable screen saver
1501  *****************************************************************************
1502  * See XEnableXScreenSaver
1503  *****************************************************************************/
1504 static void DisableXScreenSaver( vout_thread_t *p_vout )
1505 {
1506 #ifdef DPMSINFO_IN_DPMS_H
1507     int dummy;
1508 #endif
1509
1510     /* Save screen saver informations */
1511     XGetScreenSaver( p_vout->p_sys->p_display, &p_vout->p_sys->i_ss_timeout,
1512                      &p_vout->p_sys->i_ss_interval,
1513                      &p_vout->p_sys->i_ss_blanking,
1514                      &p_vout->p_sys->i_ss_exposure );
1515
1516     /* Disable screen saver */
1517     if( p_vout->p_sys->i_ss_timeout )
1518     {
1519         XSetScreenSaver( p_vout->p_sys->p_display, 0,
1520                          p_vout->p_sys->i_ss_interval,
1521                          p_vout->p_sys->i_ss_blanking,
1522                          p_vout->p_sys->i_ss_exposure );
1523     }
1524
1525     /* Disable DPMS */
1526 #ifdef DPMSINFO_IN_DPMS_H
1527     if( DPMSQueryExtension( p_vout->p_sys->p_display, &dummy, &dummy ) )
1528     {
1529         CARD16 unused;
1530         /* Save DPMS current state */
1531         DPMSInfo( p_vout->p_sys->p_display, &unused,
1532                   &p_vout->p_sys->b_ss_dpms );
1533         DPMSDisable( p_vout->p_sys->p_display );
1534    }
1535 #endif
1536 }
1537
1538 /*****************************************************************************
1539  * CreateCursor: create a blank mouse pointer
1540  *****************************************************************************/
1541 static void CreateCursor( vout_thread_t *p_vout )
1542 {
1543     XColor cursor_color;
1544
1545     p_vout->p_sys->cursor_pixmap =
1546         XCreatePixmap( p_vout->p_sys->p_display,
1547                        DefaultRootWindow( p_vout->p_sys->p_display ),
1548                        1, 1, 1 );
1549
1550     XParseColor( p_vout->p_sys->p_display,
1551                  XCreateColormap( p_vout->p_sys->p_display,
1552                                   DefaultRootWindow(
1553                                                     p_vout->p_sys->p_display ),
1554                                   DefaultVisual(
1555                                                 p_vout->p_sys->p_display,
1556                                                 p_vout->p_sys->i_screen ),
1557                                   AllocNone ),
1558                  "black", &cursor_color );
1559
1560     p_vout->p_sys->blank_cursor =
1561         XCreatePixmapCursor( p_vout->p_sys->p_display,
1562                              p_vout->p_sys->cursor_pixmap,
1563                              p_vout->p_sys->cursor_pixmap,
1564                              &cursor_color, &cursor_color, 1, 1 );
1565 }
1566
1567 /*****************************************************************************
1568  * DestroyCursor: destroy the blank mouse pointer
1569  *****************************************************************************/
1570 static void DestroyCursor( vout_thread_t *p_vout )
1571 {
1572     XFreePixmap( p_vout->p_sys->p_display, p_vout->p_sys->cursor_pixmap );
1573 }
1574
1575 /*****************************************************************************
1576  * ToggleCursor: hide or show the mouse pointer
1577  *****************************************************************************
1578  * This function hides the X pointer if it is visible by setting the pointer
1579  * sprite to a blank one. To show it again, we disable the sprite.
1580  *****************************************************************************/
1581 static void ToggleCursor( vout_thread_t *p_vout )
1582 {
1583     if( p_vout->p_sys->b_mouse_pointer_visible )
1584     {
1585         XDefineCursor( p_vout->p_sys->p_display,
1586                        p_vout->p_sys->p_win->base_window,
1587                        p_vout->p_sys->blank_cursor );
1588         p_vout->p_sys->b_mouse_pointer_visible = 0;
1589     }
1590     else
1591     {
1592         XUndefineCursor( p_vout->p_sys->p_display,
1593                          p_vout->p_sys->p_win->base_window );
1594         p_vout->p_sys->b_mouse_pointer_visible = 1;
1595     }
1596 }
1597
1598 #ifdef MODULE_NAME_IS_xvideo
1599 /*****************************************************************************
1600  * XVideoGetPort: get YUV12 port
1601  *****************************************************************************/
1602 static int XVideoGetPort( vout_thread_t *p_vout,
1603                           vlc_fourcc_t i_chroma, vlc_fourcc_t *pi_newchroma )
1604 {
1605     XvAdaptorInfo *p_adaptor;
1606     unsigned int i;
1607     int i_adaptor, i_num_adaptors, i_requested_adaptor;
1608     int i_selected_port;
1609
1610     switch( XvQueryExtension( p_vout->p_sys->p_display, &i, &i, &i, &i, &i ) )
1611     {
1612         case Success:
1613             break;
1614
1615         case XvBadExtension:
1616             msg_Warn( p_vout, "XvBadExtension" );
1617             return -1;
1618
1619         case XvBadAlloc:
1620             msg_Warn( p_vout, "XvBadAlloc" );
1621             return -1;
1622
1623         default:
1624             msg_Warn( p_vout, "XvQueryExtension failed" );
1625             return -1;
1626     }
1627
1628     switch( XvQueryAdaptors( p_vout->p_sys->p_display,
1629                              DefaultRootWindow( p_vout->p_sys->p_display ),
1630                              &i_num_adaptors, &p_adaptor ) )
1631     {
1632         case Success:
1633             break;
1634
1635         case XvBadExtension:
1636             msg_Warn( p_vout, "XvBadExtension for XvQueryAdaptors" );
1637             return -1;
1638
1639         case XvBadAlloc:
1640             msg_Warn( p_vout, "XvBadAlloc for XvQueryAdaptors" );
1641             return -1;
1642
1643         default:
1644             msg_Warn( p_vout, "XvQueryAdaptors failed" );
1645             return -1;
1646     }
1647
1648     i_selected_port = -1;
1649     i_requested_adaptor = config_GetInt( p_vout, "xvideo-adaptor" );
1650
1651     for( i_adaptor = 0; i_adaptor < i_num_adaptors; ++i_adaptor )
1652     {
1653         XvImageFormatValues *p_formats;
1654         int i_format, i_num_formats;
1655         int i_port;
1656
1657         /* If we requested an adaptor and it's not this one, we aren't
1658          * interested */
1659         if( i_requested_adaptor != -1 && i_adaptor != i_requested_adaptor )
1660         {
1661             continue;
1662         }
1663
1664         /* If the adaptor doesn't have the required properties, skip it */
1665         if( !( p_adaptor[ i_adaptor ].type & XvInputMask ) ||
1666             !( p_adaptor[ i_adaptor ].type & XvImageMask ) )
1667         {
1668             continue;
1669         }
1670
1671         /* Check that adaptor supports our requested format... */
1672         p_formats = XvListImageFormats( p_vout->p_sys->p_display,
1673                                         p_adaptor[i_adaptor].base_id,
1674                                         &i_num_formats );
1675
1676         for( i_format = 0;
1677              i_format < i_num_formats && ( i_selected_port == -1 );
1678              i_format++ )
1679         {
1680             /* Code removed, we can get this through xvinfo anyway */
1681 #if 0
1682             XvEncodingInfo  *p_enc;
1683             int             i_enc, i_num_encodings;
1684             XvAttribute     *p_attr;
1685             int             i_attr, i_num_attributes;
1686 #endif
1687
1688             /* If this is not the format we want, or at least a
1689              * similar one, forget it */
1690             if( !vout_ChromaCmp( p_formats[ i_format ].id, i_chroma ) )
1691             {
1692                 continue;
1693             }
1694
1695             /* Look for the first available port supporting this format */
1696             for( i_port = p_adaptor[i_adaptor].base_id;
1697                  ( i_port < (int)(p_adaptor[i_adaptor].base_id
1698                                    + p_adaptor[i_adaptor].num_ports) )
1699                    && ( i_selected_port == -1 );
1700                  i_port++ )
1701             {
1702                 if( XvGrabPort( p_vout->p_sys->p_display, i_port, CurrentTime )
1703                      == Success )
1704                 {
1705                     i_selected_port = i_port;
1706                     *pi_newchroma = p_formats[ i_format ].id;
1707                 }
1708             }
1709
1710             /* If no free port was found, forget it */
1711             if( i_selected_port == -1 )
1712             {
1713                 continue;
1714             }
1715
1716             /* If we found a port, print information about it */
1717             msg_Dbg( p_vout, "adaptor %i, port %i, format 0x%x (%4.4s) %s",
1718                      i_adaptor, i_selected_port, p_formats[ i_format ].id,
1719                      (char *)&p_formats[ i_format ].id,
1720                      ( p_formats[ i_format ].format == XvPacked ) ?
1721                          "packed" : "planar" );
1722
1723 #if 0
1724             msg_Dbg( p_vout, " encoding list:" );
1725
1726             if( XvQueryEncodings( p_vout->p_sys->p_display, i_selected_port,
1727                                   &i_num_encodings, &p_enc )
1728                  != Success )
1729             {
1730                 msg_Dbg( p_vout, "  XvQueryEncodings failed" );
1731                 continue;
1732             }
1733
1734             for( i_enc = 0; i_enc < i_num_encodings; i_enc++ )
1735             {
1736                 msg_Dbg( p_vout, "  id=%ld, name=%s, size=%ldx%ld,"
1737                                       " numerator=%d, denominator=%d",
1738                              p_enc[i_enc].encoding_id, p_enc[i_enc].name,
1739                              p_enc[i_enc].width, p_enc[i_enc].height,
1740                              p_enc[i_enc].rate.numerator,
1741                              p_enc[i_enc].rate.denominator );
1742             }
1743
1744             if( p_enc != NULL )
1745             {
1746                 XvFreeEncodingInfo( p_enc );
1747             }
1748
1749             msg_Dbg( p_vout, " attribute list:" );
1750             p_attr = XvQueryPortAttributes( p_vout->p_sys->p_display,
1751                                             i_selected_port,
1752                                             &i_num_attributes );
1753             for( i_attr = 0; i_attr < i_num_attributes; i_attr++ )
1754             {
1755                 msg_Dbg( p_vout, "  name=%s, flags=[%s%s ], min=%i, max=%i",
1756                       p_attr[i_attr].name,
1757                       (p_attr[i_attr].flags & XvGettable) ? " get" : "",
1758                       (p_attr[i_attr].flags & XvSettable) ? " set" : "",
1759                       p_attr[i_attr].min_value, p_attr[i_attr].max_value );
1760             }
1761
1762             if( p_attr != NULL )
1763             {
1764                 XFree( p_attr );
1765             }
1766 #endif
1767         }
1768
1769         if( p_formats != NULL )
1770         {
1771             XFree( p_formats );
1772         }
1773
1774     }
1775
1776     if( i_num_adaptors > 0 )
1777     {
1778         XvFreeAdaptorInfo( p_adaptor );
1779     }
1780
1781     if( i_selected_port == -1 )
1782     {
1783         int i_chroma_tmp = X112VLC_FOURCC( i_chroma );
1784         if( i_requested_adaptor == -1 )
1785         {
1786             msg_Warn( p_vout, "no free XVideo port found for format "
1787                       "0x%.8x (%4.4s)", i_chroma_tmp, (char*)&i_chroma_tmp );
1788         }
1789         else
1790         {
1791             msg_Warn( p_vout, "XVideo adaptor %i does not have a free "
1792                       "XVideo port for format 0x%.8x (%4.4s)",
1793                       i_requested_adaptor, i_chroma_tmp, (char*)&i_chroma_tmp );
1794         }
1795     }
1796
1797     return i_selected_port;
1798 }
1799
1800 /*****************************************************************************
1801  * XVideoReleasePort: release YUV12 port
1802  *****************************************************************************/
1803 static void XVideoReleasePort( vout_thread_t *p_vout, int i_port )
1804 {
1805     XvUngrabPort( p_vout->p_sys->p_display, i_port, CurrentTime );
1806 }
1807 #endif
1808
1809 /*****************************************************************************
1810  * InitDisplay: open and initialize X11 device
1811  *****************************************************************************
1812  * Create a window according to video output given size, and set other
1813  * properties according to the display properties.
1814  *****************************************************************************/
1815 static int InitDisplay( vout_thread_t *p_vout )
1816 {
1817 #ifdef MODULE_NAME_IS_x11
1818     XPixmapFormatValues *       p_formats;                 /* pixmap formats */
1819     XVisualInfo *               p_xvisual;           /* visuals informations */
1820     XVisualInfo                 xvisual_template;         /* visual template */
1821     int                         i_count;                       /* array size */
1822 #endif
1823
1824 #ifdef HAVE_SYS_SHM_H
1825     p_vout->p_sys->b_shm = 0;
1826
1827     if( config_GetInt( p_vout, MODULE_STRING "-shm" ) )
1828     {
1829 #   ifdef SYS_DARWIN
1830         /* FIXME: As of 2001-03-16, XFree4 for MacOS X does not support Xshm */
1831 #   else
1832         p_vout->p_sys->b_shm =
1833                   ( XShmQueryExtension( p_vout->p_sys->p_display ) == True );
1834 #   endif
1835
1836         if( !p_vout->p_sys->b_shm )
1837         {
1838             msg_Warn( p_vout, "XShm video extension is unavailable" );
1839         }
1840     }
1841     else
1842     {
1843         msg_Dbg( p_vout, "disabling XShm video extension" );
1844     }
1845
1846 #else
1847     msg_Warn( p_vout, "XShm video extension is unavailable" );
1848
1849 #endif
1850
1851 #ifdef MODULE_NAME_IS_xvideo
1852     /* XXX The brightness and contrast values should be read from environment
1853      * XXX variables... */
1854 #if 0
1855     XVideoSetAttribute( p_vout, "XV_BRIGHTNESS", 0.5 );
1856     XVideoSetAttribute( p_vout, "XV_CONTRAST",   0.5 );
1857 #endif
1858 #endif
1859
1860 #ifdef MODULE_NAME_IS_x11
1861     /* Initialize structure */
1862     p_vout->p_sys->i_screen = DefaultScreen( p_vout->p_sys->p_display );
1863
1864     /* Get screen depth */
1865     p_vout->p_sys->i_screen_depth = XDefaultDepth( p_vout->p_sys->p_display,
1866                                                    p_vout->p_sys->i_screen );
1867     switch( p_vout->p_sys->i_screen_depth )
1868     {
1869     case 8:
1870         /*
1871          * Screen depth is 8bpp. Use PseudoColor visual with private colormap.
1872          */
1873         xvisual_template.screen =   p_vout->p_sys->i_screen;
1874         xvisual_template.class =    DirectColor;
1875         p_xvisual = XGetVisualInfo( p_vout->p_sys->p_display,
1876                                     VisualScreenMask | VisualClassMask,
1877                                     &xvisual_template, &i_count );
1878         if( p_xvisual == NULL )
1879         {
1880             msg_Err( p_vout, "no PseudoColor visual available" );
1881             return VLC_EGENERIC;
1882         }
1883         p_vout->p_sys->i_bytes_per_pixel = 1;
1884         p_vout->output.pf_setpalette = SetPalette;
1885         break;
1886     case 15:
1887     case 16:
1888     case 24:
1889     default:
1890         /*
1891          * Screen depth is higher than 8bpp. TrueColor visual is used.
1892          */
1893         xvisual_template.screen =   p_vout->p_sys->i_screen;
1894         xvisual_template.class =    TrueColor;
1895         p_xvisual = XGetVisualInfo( p_vout->p_sys->p_display,
1896                                     VisualScreenMask | VisualClassMask,
1897                                     &xvisual_template, &i_count );
1898         if( p_xvisual == NULL )
1899         {
1900             msg_Err( p_vout, "no TrueColor visual available" );
1901             return VLC_EGENERIC;
1902         }
1903
1904         p_vout->output.i_rmask = p_xvisual->red_mask;
1905         p_vout->output.i_gmask = p_xvisual->green_mask;
1906         p_vout->output.i_bmask = p_xvisual->blue_mask;
1907
1908         /* There is no difference yet between 3 and 4 Bpp. The only way
1909          * to find the actual number of bytes per pixel is to list supported
1910          * pixmap formats. */
1911         p_formats = XListPixmapFormats( p_vout->p_sys->p_display, &i_count );
1912         p_vout->p_sys->i_bytes_per_pixel = 0;
1913
1914         for( ; i_count-- ; p_formats++ )
1915         {
1916             /* Under XFree4.0, the list contains pixmap formats available
1917              * through all video depths ; so we have to check against current
1918              * depth. */
1919             if( p_formats->depth == (int)p_vout->p_sys->i_screen_depth )
1920             {
1921                 if( p_formats->bits_per_pixel / 8
1922                         > (int)p_vout->p_sys->i_bytes_per_pixel )
1923                 {
1924                     p_vout->p_sys->i_bytes_per_pixel =
1925                                                p_formats->bits_per_pixel / 8;
1926                 }
1927             }
1928         }
1929         break;
1930     }
1931     p_vout->p_sys->p_visual = p_xvisual->visual;
1932     XFree( p_xvisual );
1933 #endif
1934
1935     return VLC_SUCCESS;
1936 }
1937
1938 #ifdef HAVE_SYS_SHM_H
1939 /*****************************************************************************
1940  * CreateShmImage: create an XImage or XvImage using shared memory extension
1941  *****************************************************************************
1942  * Prepare an XImage or XvImage for display function.
1943  * The order of the operations respects the recommandations of the mit-shm
1944  * document by J.Corbet and K.Packard. Most of the parameters were copied from
1945  * there. See http://ftp.xfree86.org/pub/XFree86/4.0/doc/mit-shm.TXT
1946  *****************************************************************************/
1947 static IMAGE_TYPE * CreateShmImage( vout_thread_t *p_vout,
1948                                     Display* p_display, EXTRA_ARGS_SHM,
1949                                     int i_width, int i_height )
1950 {
1951     IMAGE_TYPE *p_image;
1952
1953     /* Create XImage / XvImage */
1954 #ifdef MODULE_NAME_IS_xvideo
1955     p_image = XvShmCreateImage( p_display, i_xvport, i_chroma, 0,
1956                                 i_width, i_height, p_shm );
1957 #else
1958     p_image = XShmCreateImage( p_display, p_visual, i_depth, ZPixmap, 0,
1959                                p_shm, i_width, i_height );
1960 #endif
1961     if( p_image == NULL )
1962     {
1963         msg_Err( p_vout, "image creation failed" );
1964         return NULL;
1965     }
1966
1967     /* Allocate shared memory segment - 0776 set the access permission
1968      * rights (like umask), they are not yet supported by all X servers */
1969     p_shm->shmid = shmget( IPC_PRIVATE, DATA_SIZE(p_image), IPC_CREAT | 0776 );
1970     if( p_shm->shmid < 0 )
1971     {
1972         msg_Err( p_vout, "cannot allocate shared image data (%s)",
1973                          strerror( errno ) );
1974         IMAGE_FREE( p_image );
1975         return NULL;
1976     }
1977
1978     /* Attach shared memory segment to process (read/write) */
1979     p_shm->shmaddr = p_image->data = shmat( p_shm->shmid, 0, 0 );
1980     if(! p_shm->shmaddr )
1981     {
1982         msg_Err( p_vout, "cannot attach shared memory (%s)",
1983                          strerror(errno));
1984         IMAGE_FREE( p_image );
1985         shmctl( p_shm->shmid, IPC_RMID, 0 );
1986         return NULL;
1987     }
1988
1989     /* Read-only data. We won't be using XShmGetImage */
1990     p_shm->readOnly = True;
1991
1992     /* Attach shared memory segment to X server */
1993     if( XShmAttach( p_display, p_shm ) == False )
1994     {
1995         msg_Err( p_vout, "cannot attach shared memory to X server" );
1996         IMAGE_FREE( p_image );
1997         shmctl( p_shm->shmid, IPC_RMID, 0 );
1998         shmdt( p_shm->shmaddr );
1999         return NULL;
2000     }
2001
2002     /* Send image to X server. This instruction is required, since having
2003      * built a Shm XImage and not using it causes an error on XCloseDisplay,
2004      * and remember NOT to use XFlush ! */
2005     XSync( p_display, False );
2006
2007 #if 0
2008     /* Mark the shm segment to be removed when there are no more
2009      * attachements, so it is automatic on process exit or after shmdt */
2010     shmctl( p_shm->shmid, IPC_RMID, 0 );
2011 #endif
2012
2013     return p_image;
2014 }
2015 #endif
2016
2017 /*****************************************************************************
2018  * CreateImage: create an XImage or XvImage
2019  *****************************************************************************
2020  * Create a simple image used as a buffer.
2021  *****************************************************************************/
2022 static IMAGE_TYPE * CreateImage( vout_thread_t *p_vout,
2023                                  Display *p_display, EXTRA_ARGS,
2024                                  int i_width, int i_height )
2025 {
2026     byte_t *    p_data;                           /* image data storage zone */
2027     IMAGE_TYPE *p_image;
2028 #ifdef MODULE_NAME_IS_x11
2029     int         i_quantum;                     /* XImage quantum (see below) */
2030     int         i_bytes_per_line;
2031 #endif
2032
2033     /* Allocate memory for image */
2034 #ifdef MODULE_NAME_IS_xvideo
2035     p_data = (byte_t *) malloc( i_width * i_height * i_bits_per_pixel / 8 );
2036 #else
2037     i_bytes_per_line = i_width * i_bytes_per_pixel;
2038     p_data = (byte_t *) malloc( i_bytes_per_line * i_height );
2039 #endif
2040     if( !p_data )
2041     {
2042         msg_Err( p_vout, "out of memory" );
2043         return NULL;
2044     }
2045
2046 #ifdef MODULE_NAME_IS_x11
2047     /* Optimize the quantum of a scanline regarding its size - the quantum is
2048        a diviser of the number of bits between the start of two scanlines. */
2049     if( i_bytes_per_line & 0xf )
2050     {
2051         i_quantum = 0x8;
2052     }
2053     else if( i_bytes_per_line & 0x10 )
2054     {
2055         i_quantum = 0x10;
2056     }
2057     else
2058     {
2059         i_quantum = 0x20;
2060     }
2061 #endif
2062
2063     /* Create XImage. p_data will be automatically freed */
2064 #ifdef MODULE_NAME_IS_xvideo
2065     p_image = XvCreateImage( p_display, i_xvport, i_chroma,
2066                              p_data, i_width, i_height );
2067 #else
2068     p_image = XCreateImage( p_display, p_visual, i_depth, ZPixmap, 0,
2069                             p_data, i_width, i_height, i_quantum, 0 );
2070 #endif
2071     if( p_image == NULL )
2072     {
2073         msg_Err( p_vout, "XCreateImage() failed" );
2074         free( p_data );
2075         return NULL;
2076     }
2077
2078     return p_image;
2079 }
2080
2081 #ifdef MODULE_NAME_IS_x11
2082 /*****************************************************************************
2083  * SetPalette: sets an 8 bpp palette
2084  *****************************************************************************
2085  * This function sets the palette given as an argument. It does not return
2086  * anything, but could later send information on which colors it was unable
2087  * to set.
2088  *****************************************************************************/
2089 static void SetPalette( vout_thread_t *p_vout,
2090                         uint16_t *red, uint16_t *green, uint16_t *blue )
2091 {
2092     int i;
2093     XColor p_colors[255];
2094
2095     /* allocate palette */
2096     for( i = 0; i < 255; i++ )
2097     {
2098         /* kludge: colors are indexed reversely because color 255 seems
2099          * to be reserved for black even if we try to set it to white */
2100         p_colors[ i ].pixel = 255 - i;
2101         p_colors[ i ].pad   = 0;
2102         p_colors[ i ].flags = DoRed | DoGreen | DoBlue;
2103         p_colors[ i ].red   = red[ 255 - i ];
2104         p_colors[ i ].blue  = blue[ 255 - i ];
2105         p_colors[ i ].green = green[ 255 - i ];
2106     }
2107
2108     XStoreColors( p_vout->p_sys->p_display,
2109                   p_vout->p_sys->colormap, p_colors, 255 );
2110 }
2111 #endif
2112
2113 /*****************************************************************************
2114  * Control: control facility for the vout
2115  *****************************************************************************/
2116 static int Control( vout_thread_t *p_vout, int i_query, va_list args )
2117 {
2118     double f_arg;
2119     vlc_bool_t b_arg;
2120
2121     switch( i_query )
2122     {
2123         case VOUT_SET_ZOOM:
2124             if( p_vout->p_sys->p_win->owner_window )
2125                 return vout_ControlWindow( p_vout,
2126                     (void *)p_vout->p_sys->p_win->owner_window, i_query, args);
2127
2128             f_arg = va_arg( args, double );
2129
2130             /* Update dimensions */
2131             XResizeWindow( p_vout->p_sys->p_display,
2132                            p_vout->p_sys->p_win->base_window,
2133                            p_vout->render.i_width * f_arg,
2134                            p_vout->render.i_height * f_arg );
2135
2136             return VLC_SUCCESS;
2137
2138        case VOUT_REPARENT:
2139             XReparentWindow( p_vout->p_sys->p_display,
2140                              p_vout->p_sys->p_win->base_window,
2141                              DefaultRootWindow( p_vout->p_sys->p_display ),
2142                              0, 0 );
2143             XSync( p_vout->p_sys->p_display, False );
2144             p_vout->p_sys->p_win->owner_window = 0;
2145             return VLC_SUCCESS;
2146
2147         case VOUT_SET_STAY_ON_TOP:
2148             if( p_vout->p_sys->p_win->owner_window )
2149                 return vout_ControlWindow( p_vout,
2150                     (void *)p_vout->p_sys->p_win->owner_window, i_query, args);
2151
2152             b_arg = va_arg( args, vlc_bool_t );
2153             WindowOnTop( p_vout, b_arg );
2154             return VLC_SUCCESS;
2155
2156        default:
2157             msg_Dbg( p_vout, "control query not supported" );
2158             return VLC_EGENERIC;
2159     }
2160 }
2161
2162 /*****************************************************************************
2163  * TestNetWMSupport: tests for Extended Window Manager Hints support
2164  *****************************************************************************/
2165 static void TestNetWMSupport( vout_thread_t *p_vout )
2166 {
2167     int i_ret, i_format;
2168     unsigned long i, i_items, i_bytesafter;
2169     Atom net_wm_supported, *p_args = NULL;
2170
2171     p_vout->p_sys->b_net_wm_state_fullscreen = VLC_FALSE;
2172     p_vout->p_sys->b_net_wm_state_above = VLC_FALSE;
2173     p_vout->p_sys->b_net_wm_state_below = VLC_FALSE;
2174     p_vout->p_sys->b_net_wm_state_stays_on_top = VLC_FALSE;
2175
2176     net_wm_supported =
2177         XInternAtom( p_vout->p_sys->p_display, "_NET_SUPPORTED", False );
2178
2179     i_ret = XGetWindowProperty( p_vout->p_sys->p_display,
2180                                 DefaultRootWindow( p_vout->p_sys->p_display ),
2181                                 net_wm_supported,
2182                                 0, 16384, False, AnyPropertyType,
2183                                 &net_wm_supported,
2184                                 &i_format, &i_items, &i_bytesafter,
2185                                 (unsigned char **)(intptr_t)&p_args );
2186
2187     if( i_ret != Success || i_items == 0 ) return;
2188
2189     msg_Dbg( p_vout, "Window manager supports NetWM" );
2190
2191     p_vout->p_sys->net_wm_state =
2192         XInternAtom( p_vout->p_sys->p_display, "_NET_WM_STATE", False );
2193     p_vout->p_sys->net_wm_state_fullscreen =
2194         XInternAtom( p_vout->p_sys->p_display, "_NET_WM_STATE_FULLSCREEN",
2195                      False );
2196     p_vout->p_sys->net_wm_state_above =
2197         XInternAtom( p_vout->p_sys->p_display, "_NET_WM_STATE_ABOVE", False );
2198     p_vout->p_sys->net_wm_state_below =
2199         XInternAtom( p_vout->p_sys->p_display, "_NET_WM_STATE_BELOW", False );
2200     p_vout->p_sys->net_wm_state_stays_on_top =
2201         XInternAtom( p_vout->p_sys->p_display, "_NET_WM_STATE_STAYS_ON_TOP",
2202                      False );
2203
2204     for( i = 0; i < i_items; i++ )
2205     {
2206         if( p_args[i] == p_vout->p_sys->net_wm_state_fullscreen )
2207         {
2208             msg_Dbg( p_vout,
2209                      "Window manager supports _NET_WM_STATE_FULLSCREEN" );
2210             p_vout->p_sys->b_net_wm_state_fullscreen = VLC_TRUE;
2211         }
2212         else if( p_args[i] == p_vout->p_sys->net_wm_state_above )
2213         {
2214             msg_Dbg( p_vout, "Window manager supports _NET_WM_STATE_ABOVE" );
2215             p_vout->p_sys->b_net_wm_state_above = VLC_TRUE;
2216         }
2217         else if( p_args[i] == p_vout->p_sys->net_wm_state_below )
2218         {
2219             msg_Dbg( p_vout, "Window manager supports _NET_WM_STATE_BELOW" );
2220             p_vout->p_sys->b_net_wm_state_below = VLC_TRUE;
2221         }
2222         else if( p_args[i] == p_vout->p_sys->net_wm_state_stays_on_top )
2223         {
2224             msg_Dbg( p_vout,
2225                      "Window manager supports _NET_WM_STATE_STAYS_ON_TOP" );
2226             p_vout->p_sys->b_net_wm_state_stays_on_top = VLC_TRUE;
2227         }
2228     }
2229
2230     XFree( p_args );
2231 }
2232
2233 /*****************************************************************************
2234  * Key events handling
2235  *****************************************************************************/
2236 static struct
2237 {
2238     int i_x11key;
2239     int i_vlckey;
2240
2241 } x11keys_to_vlckeys[] =
2242 {
2243     { XK_F1, KEY_F1 }, { XK_F2, KEY_F2 }, { XK_F3, KEY_F3 }, { XK_F4, KEY_F4 },
2244     { XK_F5, KEY_F5 }, { XK_F6, KEY_F6 }, { XK_F7, KEY_F7 }, { XK_F8, KEY_F8 },
2245     { XK_F9, KEY_F9 }, { XK_F10, KEY_F10 }, { XK_F11, KEY_F11 },
2246     { XK_F12, KEY_F12 },
2247
2248     { XK_Return, KEY_ENTER },
2249     { XK_KP_Enter, KEY_ENTER },
2250     { XK_space, KEY_SPACE },
2251     { XK_Escape, KEY_ESC },
2252
2253     { XK_Menu, KEY_MENU },
2254     { XK_Left, KEY_LEFT },
2255     { XK_Right, KEY_RIGHT },
2256     { XK_Up, KEY_UP },
2257     { XK_Down, KEY_DOWN },
2258
2259     { XK_Home, KEY_HOME },
2260     { XK_End, KEY_END },
2261     { XK_Page_Up, KEY_PAGEUP },
2262     { XK_Page_Down, KEY_PAGEDOWN },
2263     { 0, 0 }
2264 };
2265
2266 static int ConvertKey( int i_key )
2267 {
2268     int i;
2269
2270     for( i = 0; x11keys_to_vlckeys[i].i_x11key != 0; i++ )
2271     {
2272         if( x11keys_to_vlckeys[i].i_x11key == i_key )
2273         {
2274             return x11keys_to_vlckeys[i].i_vlckey;
2275         }
2276     }
2277
2278     return 0;
2279 }
2280
2281 /*****************************************************************************
2282  * WindowOnTop: Switches the "always on top" state of the video window.
2283  *****************************************************************************/
2284 static int WindowOnTop( vout_thread_t *p_vout, vlc_bool_t b_on_top )
2285 {
2286     if( p_vout->p_sys->b_net_wm_state_stays_on_top )
2287     {
2288         XClientMessageEvent event;
2289
2290         memset( &event, 0, sizeof( XClientMessageEvent ) );
2291
2292         event.type = ClientMessage;
2293         event.message_type = p_vout->p_sys->net_wm_state;
2294         event.display = p_vout->p_sys->p_display;
2295         event.window = p_vout->p_sys->p_win->base_window;
2296         event.format = 32;
2297         event.data.l[ 0 ] = b_on_top; /* set property */
2298         event.data.l[ 1 ] = p_vout->p_sys->net_wm_state_stays_on_top;
2299
2300         XSendEvent( p_vout->p_sys->p_display,
2301                     DefaultRootWindow( p_vout->p_sys->p_display ),
2302                     False, SubstructureRedirectMask,
2303                     (XEvent*)&event );
2304     }
2305
2306     return VLC_SUCCESS;
2307 }