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

   1 /*****************************************************************************
   2  * xcommon.c: Functions common to the X11 and XVideo plugins
   3  *****************************************************************************
   4  * Copyright (C) 1998-2001 VideoLAN
   5  * $Id: xcommon.c,v 1.27 2003/08/02 14:06:22 gbazin Exp $
   6  *
   7  * Authors: Vincent Seguin <seguin@via.ecp.fr>
   8  *          Samuel Hocevar <sam@zoy.org>
   9  *          David Kennedy <dkennedy@tinytoad.com>
  10  *          Gildas Bazin <gbazin@netcourrier.com>
  11  *
  12  * This program is free software; you can redistribute it and/or modify
  13  * it under the terms of the GNU General Public License as published by
  14  * the Free Software Foundation; either version 2 of the License, or
  15  * (at your option) any later version.
  16  *
  17  * This program is distributed in the hope that it will be useful,
  18  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  19  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  20  * GNU General Public License for more details.
  21  *
  22  * You should have received a copy of the GNU General Public License
  23  * along with this program; if not, write to the Free Software
  24  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111, USA.
  25  *****************************************************************************/
  26
  27 /*****************************************************************************
  28  * Preamble
  29  *****************************************************************************/
  30 #include <errno.h>                                                 /* ENOMEM */
  31 #include <stdlib.h>                                                /* free() */
  32 #include <string.h>                                            /* strerror() */
  33
  34 #include <vlc/vlc.h>
  35 #include <vlc/intf.h>
  36 #include <vlc/vout.h>
  37
  38 #ifdef HAVE_MACHINE_PARAM_H
  39     /* BSD */
  40 #   include <machine/param.h>
  41 #   include <sys/types.h>                                  /* typedef ushort */
  42 #   include <sys/ipc.h>
  43 #endif
  44
  45 #ifndef WIN32
  46 #   include <netinet/in.h>                            /* BSD: struct in_addr */
  47 #endif
  48
  49 #ifdef HAVE_SYS_SHM_H
  50 #   include <sys/shm.h>                                /* shmget(), shmctl() */
  51 #endif
  52
  53 #include <X11/Xlib.h>
  54 #include <X11/Xmd.h>
  55 #include <X11/Xutil.h>
  56 #include <X11/keysym.h>
  57 #ifdef HAVE_SYS_SHM_H
  58 #   include <X11/extensions/XShm.h>
  59 #endif
  60 #ifdef DPMSINFO_IN_DPMS_H
  61 #   include <X11/extensions/dpms.h>
  62 #endif
  63
  64 #ifdef MODULE_NAME_IS_xvideo
  65 #   include <X11/extensions/Xv.h>
  66 #   include <X11/extensions/Xvlib.h>
  67 #endif
  68
  69 #ifdef HAVE_XINERAMA
  70 #   include <X11/extensions/Xinerama.h>
  71 #endif
  72
  73 #include "xcommon.h"
  74
  75 /*****************************************************************************
  76  * Local prototypes
  77  *****************************************************************************/
  78 int  E_(Activate)   ( vlc_object_t * );
  79 void E_(Deactivate) ( vlc_object_t * );
  80
  81 static int  InitVideo      ( vout_thread_t * );
  82 static void EndVideo       ( vout_thread_t * );
  83 static void DisplayVideo   ( vout_thread_t *, picture_t * );
  84 static int  ManageVideo    ( vout_thread_t * );
  85
  86 static int  InitDisplay    ( vout_thread_t * );
  87
  88 static int  CreateWindow   ( vout_thread_t *, x11_window_t * );
  89 static void DestroyWindow  ( vout_thread_t *, x11_window_t * );
  90
  91 static int  NewPicture     ( vout_thread_t *, picture_t * );
  92 static void FreePicture    ( vout_thread_t *, picture_t * );
  93
  94 static IMAGE_TYPE *CreateImage    ( vout_thread_t *,
  95                                     Display *, EXTRA_ARGS, int, int );
  96 #ifdef HAVE_SYS_SHM_H
  97 static IMAGE_TYPE *CreateShmImage ( vout_thread_t *,
  98                                     Display *, EXTRA_ARGS_SHM, int, int );
  99 #endif
 100
 101 static void ToggleFullScreen      ( vout_thread_t * );
 102
 103 static void EnableXScreenSaver    ( vout_thread_t * );
 104 static void DisableXScreenSaver   ( vout_thread_t * );
 105
 106 static void CreateCursor   ( vout_thread_t * );
 107 static void DestroyCursor  ( vout_thread_t * );
 108 static void ToggleCursor   ( vout_thread_t * );
 109
 110 #ifdef MODULE_NAME_IS_xvideo
 111 static int  XVideoGetPort    ( vout_thread_t *, vlc_fourcc_t, vlc_fourcc_t * );
 112 static void XVideoReleasePort( vout_thread_t *, int );
 113 #endif
 114
 115 #ifdef MODULE_NAME_IS_x11
 116 static void SetPalette     ( vout_thread_t *,
 117                              uint16_t *, uint16_t *, uint16_t * );
 118 #endif
 119
 120 /*****************************************************************************
 121  * Activate: allocate X11 video thread output method
 122  *****************************************************************************
 123  * This function allocate and initialize a X11 vout method. It uses some of the
 124  * vout properties to choose the window size, and change them according to the
 125  * actual properties of the display.
 126  *****************************************************************************/
 127 int E_(Activate) ( vlc_object_t *p_this )
 128 {
 129     vout_thread_t *p_vout = (vout_thread_t *)p_this;
 130     char *       psz_display;
 131 #ifdef MODULE_NAME_IS_xvideo
 132     char *       psz_chroma;
 133     vlc_fourcc_t i_chroma = 0;
 134     vlc_bool_t   b_chroma = 0;
 135 #endif
 136
 137     p_vout->pf_init = InitVideo;
 138     p_vout->pf_end = EndVideo;
 139     p_vout->pf_manage = ManageVideo;
 140     p_vout->pf_render = NULL;
 141     p_vout->pf_display = DisplayVideo;
 142
 143     /* Allocate structure */
 144     p_vout->p_sys = malloc( sizeof( vout_sys_t ) );
 145     if( p_vout->p_sys == NULL )
 146     {
 147         msg_Err( p_vout, "out of memory" );
 148         return VLC_ENOMEM;
 149     }
 150
 151     /* Open display, using the "display" config variable or the DISPLAY
 152      * environment variable */
 153     psz_display = config_GetPsz( p_vout, MODULE_STRING "-display" );
 154
 155     p_vout->p_sys->p_display = XOpenDisplay( psz_display );
 156
 157     if( p_vout->p_sys->p_display == NULL )                          /* error */
 158     {
 159         msg_Err( p_vout, "cannot open display %s",
 160                          XDisplayName( psz_display ) );
 161         free( p_vout->p_sys );
 162         if( psz_display ) free( psz_display );
 163         return VLC_EGENERIC;
 164     }
 165     if( psz_display ) free( psz_display );
 166
 167     /* Get a screen ID matching the XOpenDisplay return value */
 168     p_vout->p_sys->i_screen = DefaultScreen( p_vout->p_sys->p_display );
 169
 170 #ifdef MODULE_NAME_IS_xvideo
 171     psz_chroma = config_GetPsz( p_vout, "xvideo-chroma" );
 172     if( psz_chroma )
 173     {
 174         if( strlen( psz_chroma ) >= 4 )
 175         {
 176             /* Do not use direct assignment because we are not sure of the
 177              * alignment. */
 178             memcpy(&i_chroma, psz_chroma, 4);
 179             b_chroma = 1;
 180         }
 181
 182         free( psz_chroma );
 183     }
 184
 185     if( b_chroma )
 186     {
 187         msg_Dbg( p_vout, "forcing chroma 0x%.8x (%4.4s)",
 188                  i_chroma, (char*)&i_chroma );
 189     }
 190     else
 191     {
 192         i_chroma = p_vout->render.i_chroma;
 193     }
 194
 195     /* Check that we have access to an XVideo port providing this chroma */
 196     p_vout->p_sys->i_xvport = XVideoGetPort( p_vout, VLC2X11_FOURCC(i_chroma),
 197                                              &p_vout->output.i_chroma );
 198     if( p_vout->p_sys->i_xvport < 0 )
 199     {
 200         /* If a specific chroma format was requested, then we don't try to
 201          * be cleverer than the user. He knew pretty well what he wanted. */
 202         if( b_chroma )
 203         {
 204             XCloseDisplay( p_vout->p_sys->p_display );
 205             free( p_vout->p_sys );
 206             return VLC_EGENERIC;
 207         }
 208
 209         /* It failed, but it's not completely lost ! We try to open an
 210          * XVideo port for an YUY2 picture. We'll need to do an YUV
 211          * conversion, but at least it has got scaling. */
 212         p_vout->p_sys->i_xvport =
 213                         XVideoGetPort( p_vout, X11_FOURCC('Y','U','Y','2'),
 214                                                &p_vout->output.i_chroma );
 215         if( p_vout->p_sys->i_xvport < 0 )
 216         {
 217             /* It failed, but it's not completely lost ! We try to open an
 218              * XVideo port for a simple 16bpp RGB picture. We'll need to do
 219              * an YUV conversion, but at least it has got scaling. */
 220             p_vout->p_sys->i_xvport =
 221                             XVideoGetPort( p_vout, X11_FOURCC('R','V','1','6'),
 222                                                    &p_vout->output.i_chroma );
 223             if( p_vout->p_sys->i_xvport < 0 )
 224             {
 225                 XCloseDisplay( p_vout->p_sys->p_display );
 226                 free( p_vout->p_sys );
 227                 return VLC_EGENERIC;
 228             }
 229         }
 230     }
 231     p_vout->output.i_chroma = X112VLC_FOURCC(p_vout->output.i_chroma);
 232 #endif
 233
 234     /* Create blank cursor (for mouse cursor autohiding) */
 235     p_vout->p_sys->i_time_mouse_last_moved = mdate();
 236     p_vout->p_sys->b_mouse_pointer_visible = 1;
 237     CreateCursor( p_vout );
 238
 239     /* Set main window's size */
 240     p_vout->p_sys->original_window.i_width = p_vout->i_window_width;
 241     p_vout->p_sys->original_window.i_height = p_vout->i_window_height;
 242
 243     /* Spawn base window - this window will include the video output window,
 244      * but also command buttons, subtitles and other indicators */
 245     if( CreateWindow( p_vout, &p_vout->p_sys->original_window ) )
 246     {
 247         msg_Err( p_vout, "cannot create X11 window" );
 248         DestroyCursor( p_vout );
 249         XCloseDisplay( p_vout->p_sys->p_display );
 250         free( p_vout->p_sys );
 251         return VLC_EGENERIC;
 252     }
 253
 254     /* Open and initialize device. */
 255     if( InitDisplay( p_vout ) )
 256     {
 257         msg_Err( p_vout, "cannot initialize X11 display" );
 258         DestroyCursor( p_vout );
 259         DestroyWindow( p_vout, &p_vout->p_sys->original_window );
 260         XCloseDisplay( p_vout->p_sys->p_display );
 261         free( p_vout->p_sys );
 262         return VLC_EGENERIC;
 263     }
 264
 265     /* Disable screen saver */
 266     DisableXScreenSaver( p_vout );
 267
 268     /* Misc init */
 269     p_vout->p_sys->b_altfullscreen = 0;
 270     p_vout->p_sys->i_time_button_last_pressed = 0;
 271
 272     return VLC_SUCCESS;
 273 }
 274
 275 /*****************************************************************************
 276  * Deactivate: destroy X11 video thread output method
 277  *****************************************************************************
 278  * Terminate an output method created by Open
 279  *****************************************************************************/
 280 void E_(Deactivate) ( vlc_object_t *p_this )
 281 {
 282     vout_thread_t *p_vout = (vout_thread_t *)p_this;
 283
 284     /* If the fullscreen window is still open, close it */
 285     if( p_vout->b_fullscreen )
 286     {
 287         ToggleFullScreen( p_vout );
 288     }
 289
 290     /* Restore cursor if it was blanked */
 291     if( !p_vout->p_sys->b_mouse_pointer_visible )
 292     {
 293         ToggleCursor( p_vout );
 294     }
 295
 296 #ifdef MODULE_NAME_IS_x11
 297     /* Destroy colormap */
 298     if( XDefaultDepth(p_vout->p_sys->p_display, p_vout->p_sys->i_screen) == 8 )
 299     {
 300         XFreeColormap( p_vout->p_sys->p_display, p_vout->p_sys->colormap );
 301     }
 302 #else
 303     XVideoReleasePort( p_vout, p_vout->p_sys->i_xvport );
 304 #endif
 305
 306     DestroyCursor( p_vout );
 307     EnableXScreenSaver( p_vout );
 308     DestroyWindow( p_vout, &p_vout->p_sys->original_window );
 309
 310     XCloseDisplay( p_vout->p_sys->p_display );
 311
 312     /* Destroy structure */
 313     free( p_vout->p_sys );
 314 }
 315
 316 /*****************************************************************************
 317  * InitVideo: initialize X11 video thread output method
 318  *****************************************************************************
 319  * This function create the XImages needed by the output thread. It is called
 320  * at the beginning of the thread, but also each time the window is resized.
 321  *****************************************************************************/
 322 static int InitVideo( vout_thread_t *p_vout )
 323 {
 324     int i_index;
 325     picture_t *p_pic;
 326
 327     I_OUTPUTPICTURES = 0;
 328
 329 #ifdef MODULE_NAME_IS_xvideo
 330     /* Initialize the output structure; we already found an XVideo port,
 331      * and the corresponding chroma we will be using. Since we can
 332      * arbitrary scale, stick to the coordinates and aspect. */
 333     p_vout->output.i_width  = p_vout->render.i_width;
 334     p_vout->output.i_height = p_vout->render.i_height;
 335     p_vout->output.i_aspect = p_vout->render.i_aspect;
 336
 337     switch( p_vout->output.i_chroma )
 338     {
 339         case VLC_FOURCC('R','V','1','5'):
 340             p_vout->output.i_rmask = 0x001f;
 341             p_vout->output.i_gmask = 0x07e0;
 342             p_vout->output.i_bmask = 0xf800;
 343             break;
 344         case VLC_FOURCC('R','V','1','6'):
 345             p_vout->output.i_rmask = 0x001f;
 346             p_vout->output.i_gmask = 0x03e0;
 347             p_vout->output.i_bmask = 0x7c00;
 348             break;
 349     }
 350
 351 #else
 352     /* Initialize the output structure: RGB with square pixels, whatever
 353      * the input format is, since it's the only format we know */
 354     switch( p_vout->p_sys->i_screen_depth )
 355     {
 356         case 8: /* FIXME: set the palette */
 357             p_vout->output.i_chroma = VLC_FOURCC('R','G','B','2'); break;
 358         case 15:
 359             p_vout->output.i_chroma = VLC_FOURCC('R','V','1','5'); break;
 360         case 16:
 361             p_vout->output.i_chroma = VLC_FOURCC('R','V','1','6'); break;
 362         case 24:
 363             p_vout->output.i_chroma = VLC_FOURCC('R','V','2','4'); break;
 364         case 32:
 365             p_vout->output.i_chroma = VLC_FOURCC('R','V','2','4'); break;
 366         default:
 367             msg_Err( p_vout, "unknown screen depth %i",
 368                      p_vout->p_sys->i_screen_depth );
 369             return VLC_SUCCESS;
 370     }
 371
 372     vout_PlacePicture( p_vout, p_vout->p_sys->p_win->i_width,
 373                        p_vout->p_sys->p_win->i_height,
 374                        &i_index, &i_index,
 375                        &p_vout->output.i_width, &p_vout->output.i_height );
 376
 377     /* Assume we have square pixels */
 378     p_vout->output.i_aspect = p_vout->output.i_width
 379                                * VOUT_ASPECT_FACTOR / p_vout->output.i_height;
 380 #endif
 381
 382     /* Try to initialize up to MAX_DIRECTBUFFERS direct buffers */
 383     while( I_OUTPUTPICTURES < MAX_DIRECTBUFFERS )
 384     {
 385         p_pic = NULL;
 386
 387         /* Find an empty picture slot */
 388         for( i_index = 0 ; i_index < VOUT_MAX_PICTURES ; i_index++ )
 389         {
 390           if( p_vout->p_picture[ i_index ].i_status == FREE_PICTURE )
 391             {
 392                 p_pic = p_vout->p_picture + i_index;
 393                 break;
 394             }
 395         }
 396
 397         /* Allocate the picture */
 398         if( p_pic == NULL || NewPicture( p_vout, p_pic ) )
 399         {
 400             break;
 401         }
 402
 403         p_pic->i_status = DESTROYED_PICTURE;
 404         p_pic->i_type   = DIRECT_PICTURE;
 405
 406         PP_OUTPUTPICTURE[ I_OUTPUTPICTURES ] = p_pic;
 407
 408         I_OUTPUTPICTURES++;
 409     }
 410
 411     return VLC_SUCCESS;
 412 }
 413
 414  /*****************************************************************************
 415  * DisplayVideo: displays previously rendered output
 416  *****************************************************************************
 417  * This function sends the currently rendered image to X11 server.
 418  * (The Xv extension takes care of "double-buffering".)
 419  *****************************************************************************/
 420 static void DisplayVideo( vout_thread_t *p_vout, picture_t *p_pic )
 421 {
 422     int i_width, i_height, i_x, i_y;
 423
 424     vout_PlacePicture( p_vout, p_vout->p_sys->p_win->i_width,
 425                        p_vout->p_sys->p_win->i_height,
 426                        &i_x, &i_y, &i_width, &i_height );
 427
 428 #ifdef HAVE_SYS_SHM_H
 429     if( p_vout->p_sys->b_shm )
 430     {
 431         /* Display rendered image using shared memory extension */
 432 #   ifdef MODULE_NAME_IS_xvideo
 433         XvShmPutImage( p_vout->p_sys->p_display, p_vout->p_sys->i_xvport,
 434                        p_vout->p_sys->p_win->video_window,
 435                        p_vout->p_sys->p_win->gc, p_pic->p_sys->p_image,
 436                        0 /*src_x*/, 0 /*src_y*/,
 437                        p_vout->output.i_width, p_vout->output.i_height,
 438                        0 /*dest_x*/, 0 /*dest_y*/, i_width, i_height,
 439                        False /* Don't put True here or you'll waste your CPU */ );
 440 #   else
 441         XShmPutImage( p_vout->p_sys->p_display,
 442                       p_vout->p_sys->p_win->video_window,
 443                       p_vout->p_sys->p_win->gc, p_pic->p_sys->p_image,
 444                       0 /*src_x*/, 0 /*src_y*/, 0 /*dest_x*/, 0 /*dest_y*/,
 445                       p_vout->output.i_width, p_vout->output.i_height,
 446                       False /* Don't put True here ! */ );
 447 #   endif
 448     }
 449     else
 450 #endif /* HAVE_SYS_SHM_H */
 451     {
 452         /* Use standard XPutImage -- this is gonna be slow ! */
 453 #ifdef MODULE_NAME_IS_xvideo
 454         XvPutImage( p_vout->p_sys->p_display, p_vout->p_sys->i_xvport,
 455                     p_vout->p_sys->p_win->video_window,
 456                     p_vout->p_sys->p_win->gc, p_pic->p_sys->p_image,
 457                     0 /*src_x*/, 0 /*src_y*/,
 458                     p_vout->output.i_width, p_vout->output.i_height,
 459                     0 /*dest_x*/, 0 /*dest_y*/, i_width, i_height );
 460 #else
 461         XPutImage( p_vout->p_sys->p_display,
 462                    p_vout->p_sys->p_win->video_window,
 463                    p_vout->p_sys->p_win->gc, p_pic->p_sys->p_image,
 464                    0 /*src_x*/, 0 /*src_y*/, 0 /*dest_x*/, 0 /*dest_y*/,
 465                    p_vout->output.i_width, p_vout->output.i_height );
 466 #endif
 467     }
 468
 469     /* Make sure the command is sent now - do NOT use XFlush !*/
 470     XSync( p_vout->p_sys->p_display, False );
 471 }
 472
 473 /*****************************************************************************
 474  * ManageVideo: handle X11 events
 475  *****************************************************************************
 476  * This function should be called regularly by video output thread. It manages
 477  * X11 events and allows window resizing. It returns a non null value on
 478  * error.
 479  *****************************************************************************/
 480 static int ManageVideo( vout_thread_t *p_vout )
 481 {
 482     XEvent      xevent;                                         /* X11 event */
 483     char        i_key;                                    /* ISO Latin-1 key */
 484     KeySym      x_key_symbol;
 485     vlc_value_t val;
 486
 487     /* Handle X11 events: ConfigureNotify events are parsed to know if the
 488      * output window's size changed, MapNotify and UnmapNotify to know if the
 489      * window is mapped (and if the display is useful), and ClientMessages
 490      * to intercept window destruction requests */
 491
 492     while( XCheckWindowEvent( p_vout->p_sys->p_display,
 493                               p_vout->p_sys->p_win->base_window,
 494                               StructureNotifyMask | KeyPressMask |
 495                               ButtonPressMask | ButtonReleaseMask |
 496                               PointerMotionMask | Button1MotionMask , &xevent )
 497            == True )
 498     {
 499         /* ConfigureNotify event: prepare  */
 500         if( xevent.type == ConfigureNotify )
 501         {
 502             if( (unsigned int)xevent.xconfigure.width
 503                    != p_vout->p_sys->p_win->i_width
 504               || (unsigned int)xevent.xconfigure.height
 505                     != p_vout->p_sys->p_win->i_height )
 506             {
 507                 /* Update dimensions */
 508                 p_vout->i_changes |= VOUT_SIZE_CHANGE;
 509                 p_vout->p_sys->p_win->i_width = xevent.xconfigure.width;
 510                 p_vout->p_sys->p_win->i_height = xevent.xconfigure.height;
 511             }
 512         }
 513         /* Keyboard event */
 514         else if( xevent.type == KeyPress )
 515         {
 516             /* We may have keys like F1 trough F12, ESC ... */
 517             x_key_symbol = XKeycodeToKeysym( p_vout->p_sys->p_display,
 518                                              xevent.xkey.keycode, 0 );
 519             switch( (int)x_key_symbol )
 520             {
 521             case XK_Escape:
 522                 if( p_vout->b_fullscreen )
 523                 {
 524                     p_vout->i_changes |= VOUT_FULLSCREEN_CHANGE;
 525                 }
 526                 else
 527                 {
 528                     /* the user wants to close the window */
 529                     playlist_t * p_playlist =
 530                         (playlist_t *)vlc_object_find( p_vout,
 531                                                        VLC_OBJECT_PLAYLIST,
 532                                                        FIND_ANYWHERE );
 533                     if( p_playlist != NULL )
 534                     {
 535                         playlist_Stop( p_playlist );
 536                         vlc_object_release( p_playlist );
 537                     }
 538                 }
 539                 break;
 540             case XK_Menu:
 541                 {
 542                     intf_thread_t *p_intf;
 543                     playlist_t * p_playlist;
 544
 545                     p_intf = vlc_object_find( p_vout, VLC_OBJECT_INTF,
 546                                                       FIND_ANYWHERE );
 547                     if( p_intf )
 548                     {
 549                         p_intf->b_menu_change = 1;
 550                         vlc_object_release( p_intf );
 551                     }
 552
 553                     p_playlist = vlc_object_find( p_vout, VLC_OBJECT_PLAYLIST,
 554                                                            FIND_ANYWHERE );
 555                     if( p_playlist != NULL )
 556                     {
 557                         vlc_value_t val;
 558                         var_Set( p_playlist, "intf-popupmenu", val );
 559                         vlc_object_release( p_playlist );
 560                     }
 561                 }
 562                 break;
 563             case XK_Left:
 564 /*                input_Seek( p_vout, -5, INPUT_SEEK_SECONDS | INPUT_SEEK_CUR ); */
 565                 val.psz_string = "LEFT";
 566                 var_Set( p_vout, "key-pressed", val );
 567                 break;
 568             case XK_Right:
 569 /*                input_Seek( p_vout, 5, INPUT_SEEK_SECONDS | INPUT_SEEK_CUR ); */
 570                 val.psz_string = "RIGHT";
 571                 var_Set( p_vout, "key-pressed", val );
 572                 break;
 573             case XK_Up:
 574 /*                input_Seek( p_vout, 60, INPUT_SEEK_SECONDS | INPUT_SEEK_CUR ); */
 575                 val.psz_string = "UP";
 576                 var_Set( p_vout, "key-pressed", val );
 577                 break;
 578             case XK_Down:
 579 /*                input_Seek( p_vout, -60, INPUT_SEEK_SECONDS | INPUT_SEEK_CUR ); */
 580                 val.psz_string = "DOWN";
 581                 var_Set( p_vout, "key-pressed", val );
 582                 break;
 583             case XK_Return:
 584             case XK_KP_Enter:
 585                 val.psz_string = "ENTER";
 586                 var_Set( p_vout, "key-pressed", val );
 587                 break;
 588             case XK_Home:
 589                 input_Seek( p_vout, 0, INPUT_SEEK_BYTES | INPUT_SEEK_SET );
 590                 break;
 591             case XK_End:
 592                 input_Seek( p_vout, 0, INPUT_SEEK_BYTES | INPUT_SEEK_END );
 593                 break;
 594             case XK_Page_Up:
 595                 input_Seek( p_vout, 10, INPUT_SEEK_SECONDS | INPUT_SEEK_CUR );
 596                 break;
 597             case XK_Page_Down:
 598                 input_Seek( p_vout, -10, INPUT_SEEK_SECONDS | INPUT_SEEK_CUR );
 599                 break;
 600             case XK_space:
 601                 input_SetStatus( p_vout, INPUT_STATUS_PAUSE );
 602                 break;
 603
 604             default:
 605                 /* "Normal Keys"
 606                  * The reason why I use this instead of XK_0 is that
 607                  * with XLookupString, we don't have to care about
 608                  * keymaps. */
 609
 610                 if( XLookupString( &xevent.xkey, &i_key, 1, NULL, NULL ) )
 611                 {
 612                     /* FIXME: handle stuff here */
 613                     switch( i_key )
 614                     {
 615                     case 'q':
 616                     case 'Q':
 617                         p_vout->p_vlc->b_die = 1;
 618                         break;
 619                     case 'f':
 620                     case 'F':
 621                         p_vout->i_changes |= VOUT_FULLSCREEN_CHANGE;
 622                         break;
 623
 624                     default:
 625                         break;
 626                     }
 627                 }
 628                 break;
 629             }
 630         }
 631         /* Mouse click */
 632         else if( xevent.type == ButtonPress )
 633         {
 634             switch( ((XButtonEvent *)&xevent)->button )
 635             {
 636                 case Button1:
 637                     var_Get( p_vout, "mouse-button-down", &val );
 638                     val.i_int |= 1;
 639                     var_Set( p_vout, "mouse-button-down", val );
 640
 641                     /* detect double-clicks */
 642                     if( ( ((XButtonEvent *)&xevent)->time -
 643                           p_vout->p_sys->i_time_button_last_pressed ) < 300 )
 644                     {
 645                         p_vout->i_changes |= VOUT_FULLSCREEN_CHANGE;
 646                     }
 647
 648                     p_vout->p_sys->i_time_button_last_pressed =
 649                         ((XButtonEvent *)&xevent)->time;
 650                     break;
 651                 case Button2:
 652                     var_Get( p_vout, "mouse-button-down", &val );
 653                     val.i_int |= 2;
 654                     var_Set( p_vout, "mouse-button-down", val );
 655                     break;
 656
 657                 case Button3:
 658                     var_Get( p_vout, "mouse-button-down", &val );
 659                     val.i_int |= 4;
 660                     var_Set( p_vout, "mouse-button-down", val );
 661                     break;
 662
 663                 case Button4:
 664                     var_Get( p_vout, "mouse-button-down", &val );
 665                     val.i_int |= 8;
 666                     var_Set( p_vout, "mouse-button-down", val );
 667                     input_Seek( p_vout, 15, INPUT_SEEK_SECONDS | INPUT_SEEK_CUR );
 668                     break;
 669
 670                 case Button5:
 671                     var_Get( p_vout, "mouse-button-down", &val );
 672                     val.i_int |= 16;
 673                     var_Set( p_vout, "mouse-button-down", val );
 674                     input_Seek( p_vout, -15, INPUT_SEEK_SECONDS | INPUT_SEEK_CUR );
 675                     break;
 676             }
 677         }
 678         /* Mouse release */
 679         else if( xevent.type == ButtonRelease )
 680         {
 681             switch( ((XButtonEvent *)&xevent)->button )
 682             {
 683                 case Button1:
 684                     var_Get( p_vout, "mouse-button-down", &val );
 685                     val.i_int &= ~1;
 686                     var_Set( p_vout, "mouse-button-down", val );
 687
 688                     val.b_bool = VLC_TRUE;
 689                     var_Set( p_vout, "mouse-clicked", val );
 690                     break;
 691
 692                 case Button2:
 693                     {
 694                         playlist_t *p_playlist;
 695
 696                         var_Get( p_vout, "mouse-button-down", &val );
 697                         val.i_int &= ~2;
 698                         var_Set( p_vout, "mouse-button-down", val );
 699
 700                         p_playlist = vlc_object_find( p_vout,
 701                                                       VLC_OBJECT_PLAYLIST,
 702                                                       FIND_ANYWHERE );
 703                         if( p_playlist != NULL )
 704                         {
 705                             vlc_value_t val;
 706                             var_Get( p_playlist, "intf-show", &val );
 707                             val.b_bool = !val.b_bool;
 708                             var_Set( p_playlist, "intf-show", val );
 709                             vlc_object_release( p_playlist );
 710                         }
 711                     }
 712                     break;
 713
 714                 case Button3:
 715                     {
 716                         intf_thread_t *p_intf;
 717                         playlist_t *p_playlist;
 718
 719                         var_Get( p_vout, "mouse-button-down", &val );
 720                         val.i_int &= ~4;
 721                         var_Set( p_vout, "mouse-button-down", val );
 722                         p_intf = vlc_object_find( p_vout, VLC_OBJECT_INTF,
 723                                                           FIND_ANYWHERE );
 724                         if( p_intf )
 725                         {
 726                             p_intf->b_menu_change = 1;
 727                             vlc_object_release( p_intf );
 728                         }
 729
 730                         p_playlist = vlc_object_find( p_vout,
 731                                                       VLC_OBJECT_PLAYLIST,
 732                                                       FIND_ANYWHERE );
 733                         if( p_playlist != NULL )
 734                         {
 735                             vlc_value_t val;
 736                             var_Set( p_playlist, "intf-popupmenu", val );
 737                             vlc_object_release( p_playlist );
 738                         }
 739                     }
 740                     break;
 741
 742                 case Button4:
 743                     var_Get( p_vout, "mouse-button-down", &val );
 744                     val.i_int &= ~8;
 745                     var_Set( p_vout, "mouse-button-down", val );
 746                     break;
 747
 748                 case Button5:
 749                     var_Get( p_vout, "mouse-button-down", &val );
 750                     val.i_int &= ~16;
 751                     var_Set( p_vout, "mouse-button-down", val );
 752                     break;
 753
 754             }
 755         }
 756         /* Mouse move */
 757         else if( xevent.type == MotionNotify )
 758         {
 759             int i_width, i_height, i_x, i_y;
 760             vlc_value_t val;
 761
 762             /* somewhat different use for vout_PlacePicture:
 763              * here the values are needed to give to mouse coordinates
 764              * in the original picture space */
 765             vout_PlacePicture( p_vout, p_vout->p_sys->p_win->i_width,
 766                                p_vout->p_sys->p_win->i_height,
 767                                &i_x, &i_y, &i_width, &i_height );
 768
 769             val.i_int = ( xevent.xmotion.x - i_x )
 770                          * p_vout->render.i_width / i_width;
 771             var_Set( p_vout, "mouse-x", val );
 772             val.i_int = ( xevent.xmotion.y - i_y )
 773                          * p_vout->render.i_height / i_height;
 774             var_Set( p_vout, "mouse-y", val );
 775
 776             val.b_bool = VLC_TRUE;
 777             var_Set( p_vout, "mouse-moved", val );
 778
 779             p_vout->p_sys->i_time_mouse_last_moved = mdate();
 780             if( ! p_vout->p_sys->b_mouse_pointer_visible )
 781             {
 782                 ToggleCursor( p_vout );
 783             }
 784         }
 785         else if( xevent.type == ReparentNotify /* XXX: why do we get this? */
 786                   || xevent.type == MapNotify
 787                   || xevent.type == UnmapNotify )
 788         {
 789             /* Ignore these events */
 790         }
 791         else /* Other events */
 792         {
 793             msg_Warn( p_vout, "unhandled event %d received", xevent.type );
 794         }
 795     }
 796
 797     /* Handle events for video output sub-window */
 798     while( XCheckWindowEvent( p_vout->p_sys->p_display,
 799                               p_vout->p_sys->p_win->video_window,
 800                               ExposureMask, &xevent ) == True )
 801     {
 802         /* Window exposed (only handled if stream playback is paused) */
 803         if( xevent.type == Expose )
 804         {
 805             if( ((XExposeEvent *)&xevent)->count == 0 )
 806             {
 807                 /* (if this is the last a collection of expose events...) */
 808 #if 0
 809                 if( p_vout->p_vlc->p_input_bank->pp_input[0] != NULL )
 810                 {
 811                     if( PAUSE_S == p_vout->p_vlc->p_input_bank->pp_input[0]
 812                                                    ->stream.control.i_status )
 813                     {
 814                         /* XVideoDisplay( p_vout )*/;
 815                     }
 816                 }
 817 #endif
 818             }
 819         }
 820     }
 821
 822     /* ClientMessage event - only WM_PROTOCOLS with WM_DELETE_WINDOW data
 823      * are handled - according to the man pages, the format is always 32
 824      * in this case */
 825     while( XCheckTypedEvent( p_vout->p_sys->p_display,
 826                              ClientMessage, &xevent ) )
 827     {
 828         if( (xevent.xclient.message_type == p_vout->p_sys->p_win->wm_protocols)
 829                && ((Atom)xevent.xclient.data.l[0]
 830                      == p_vout->p_sys->p_win->wm_delete_window ) )
 831         {
 832             /* the user wants to close the window */
 833             playlist_t * p_playlist =
 834                 (playlist_t *)vlc_object_find( p_vout, VLC_OBJECT_PLAYLIST,
 835                                                FIND_ANYWHERE );
 836             if( p_playlist != NULL )
 837             {
 838                 playlist_Stop( p_playlist );
 839                 vlc_object_release( p_playlist );
 840             }
 841         }
 842     }
 843
 844     /*
 845      * Fullscreen Change
 846      */
 847     if ( p_vout->i_changes & VOUT_FULLSCREEN_CHANGE )
 848     {
 849         vlc_value_t val;
 850
 851         /* Update the object variable and trigger callback */
 852         val.b_bool = !p_vout->b_fullscreen;
 853         var_Set( p_vout, "fullscreen", val );
 854
 855         ToggleFullScreen( p_vout );
 856         p_vout->i_changes &= ~VOUT_FULLSCREEN_CHANGE;
 857     }
 858
 859     /*
 860      * Size change
 861      *
 862      * (Needs to be placed after VOUT_FULLSREEN_CHANGE because we can activate
 863      *  the size flag inside the fullscreen routine)
 864      */
 865     if( p_vout->i_changes & VOUT_SIZE_CHANGE )
 866     {
 867         int i_width, i_height, i_x, i_y;
 868
 869         p_vout->i_changes &= ~VOUT_SIZE_CHANGE;
 870
 871 #ifdef MODULE_NAME_IS_x11
 872         /* We need to signal the vout thread about the size change because it
 873          * is doing the rescaling */
 874         p_vout->i_changes |= VOUT_SIZE_CHANGE;
 875 #endif
 876
 877         vout_PlacePicture( p_vout, p_vout->p_sys->p_win->i_width,
 878                            p_vout->p_sys->p_win->i_height,
 879                            &i_x, &i_y, &i_width, &i_height );
 880
 881         XResizeWindow( p_vout->p_sys->p_display,
 882                        p_vout->p_sys->p_win->video_window, i_width, i_height );
 883
 884         XMoveWindow( p_vout->p_sys->p_display,
 885                      p_vout->p_sys->p_win->video_window, i_x, i_y );
 886     }
 887
 888     /* Autohide Cursour */
 889     if( mdate() - p_vout->p_sys->i_time_mouse_last_moved > 2000000 )
 890     {
 891         /* Hide the mouse automatically */
 892         if( p_vout->p_sys->b_mouse_pointer_visible )
 893         {
 894             ToggleCursor( p_vout );
 895         }
 896     }
 897
 898     return 0;
 899 }
 900
 901 /*****************************************************************************
 902  * EndVideo: terminate X11 video thread output method
 903  *****************************************************************************
 904  * Destroy the X11 XImages created by Init. It is called at the end of
 905  * the thread, but also each time the window is resized.
 906  *****************************************************************************/
 907 static void EndVideo( vout_thread_t *p_vout )
 908 {
 909     int i_index;
 910
 911     /* Free the direct buffers we allocated */
 912     for( i_index = I_OUTPUTPICTURES ; i_index ; )
 913     {
 914         i_index--;
 915         FreePicture( p_vout, PP_OUTPUTPICTURE[ i_index ] );
 916     }
 917 }
 918
 919 /* following functions are local */
 920
 921 /*****************************************************************************
 922  * CreateWindow: open and set-up X11 main window
 923  *****************************************************************************/
 924 static int CreateWindow( vout_thread_t *p_vout, x11_window_t *p_win )
 925 {
 926     XSizeHints              xsize_hints;
 927     XSetWindowAttributes    xwindow_attributes;
 928     XGCValues               xgcvalues;
 929     XEvent                  xevent;
 930
 931     vlc_bool_t              b_expose = VLC_FALSE;
 932     vlc_bool_t              b_configure_notify = VLC_FALSE;
 933     vlc_bool_t              b_map_notify = VLC_FALSE;
 934
 935     vlc_value_t             val;
 936     long long int           i_drawable;
 937
 938     /* Prepare window manager hints and properties */
 939     xsize_hints.base_width          = p_win->i_width;
 940     xsize_hints.base_height         = p_win->i_height;
 941     xsize_hints.flags               = PSize;
 942     p_win->wm_protocols =
 943              XInternAtom( p_vout->p_sys->p_display, "WM_PROTOCOLS", True );
 944     p_win->wm_delete_window =
 945              XInternAtom( p_vout->p_sys->p_display, "WM_DELETE_WINDOW", True );
 946
 947     /* Prepare window attributes */
 948     xwindow_attributes.backing_store = Always;       /* save the hidden part */
 949     xwindow_attributes.background_pixel = BlackPixel(p_vout->p_sys->p_display,
 950                                                      p_vout->p_sys->i_screen);
 951     xwindow_attributes.event_mask = ExposureMask | StructureNotifyMask;
 952
 953     /* Check whether someone provided us with a window ID */
 954     var_Get( p_vout->p_vlc, "drawable", &val );
 955     i_drawable = p_vout->b_fullscreen ? 0 : val.i_int;
 956
 957     if( !i_drawable )
 958     {
 959         /* Create the window and set hints - the window must receive
 960          * ConfigureNotify events, and until it is displayed, Expose and
 961          * MapNotify events. */
 962
 963         p_win->base_window =
 964             XCreateWindow( p_vout->p_sys->p_display,
 965                            DefaultRootWindow( p_vout->p_sys->p_display ),
 966                            0, 0,
 967                            p_win->i_width, p_win->i_height,
 968                            0,
 969                            0, InputOutput, 0,
 970                            CWBackingStore | CWBackPixel | CWEventMask,
 971                            &xwindow_attributes );
 972
 973         if( !p_vout->b_fullscreen )
 974         {
 975             /* Set window manager hints and properties: size hints, command,
 976              * window's name, and accepted protocols */
 977             XSetWMNormalHints( p_vout->p_sys->p_display,
 978                                p_win->base_window, &xsize_hints );
 979             XSetCommand( p_vout->p_sys->p_display, p_win->base_window,
 980                          p_vout->p_vlc->ppsz_argv, p_vout->p_vlc->i_argc );
 981
 982             XStoreName( p_vout->p_sys->p_display, p_win->base_window,
 983 #ifdef MODULE_NAME_IS_x11
 984                         VOUT_TITLE " (X11 output)"
 985 #else
 986                         VOUT_TITLE " (XVideo output)"
 987 #endif
 988                       );
 989         }
 990     }
 991     else
 992     {
 993         /* Get the parent window's geometry information */
 994         Window dummy1;
 995         unsigned int dummy2, dummy3;
 996         XGetGeometry( p_vout->p_sys->p_display, i_drawable,
 997                       &dummy1, &dummy2, &dummy3,
 998                       &p_win->i_width,
 999                       &p_win->i_height,
1000                       &dummy2, &dummy3 );
1001
1002         /* We are already configured */
1003         b_configure_notify = VLC_TRUE;
1004
1005         /* From man XSelectInput: only one client at a time can select a
1006          * ButtonPress event, so we need to open a new window anyway. */
1007         p_win->base_window =
1008             XCreateWindow( p_vout->p_sys->p_display,
1009                            i_drawable,
1010                            0, 0,
1011                            p_win->i_width, p_win->i_height,
1012                            0,
1013                            0, CopyFromParent, 0,
1014                            CWBackingStore | CWBackPixel | CWEventMask,
1015                            &xwindow_attributes );
1016     }
1017
1018     if( (p_win->wm_protocols == None)        /* use WM_DELETE_WINDOW */
1019         || (p_win->wm_delete_window == None)
1020         || !XSetWMProtocols( p_vout->p_sys->p_display, p_win->base_window,
1021                              &p_win->wm_delete_window, 1 ) )
1022     {
1023         /* WM_DELETE_WINDOW is not supported by window manager */
1024         msg_Warn( p_vout, "missing or bad window manager" );
1025     }
1026
1027     /* Creation of a graphic context that doesn't generate a GraphicsExpose
1028      * event when using functions like XCopyArea */
1029     xgcvalues.graphics_exposures = False;
1030     p_win->gc = XCreateGC( p_vout->p_sys->p_display,
1031                            p_win->base_window,
1032                            GCGraphicsExposures, &xgcvalues );
1033
1034     /* Send orders to server, and wait until window is displayed - three
1035      * events must be received: a MapNotify event, an Expose event allowing
1036      * drawing in the window, and a ConfigureNotify to get the window
1037      * dimensions. Once those events have been received, only
1038      * ConfigureNotify events need to be received. */
1039     XMapWindow( p_vout->p_sys->p_display, p_win->base_window );
1040     do
1041     {
1042         XNextEvent( p_vout->p_sys->p_display, &xevent);
1043         if( (xevent.type == Expose)
1044             && (xevent.xexpose.window == p_win->base_window) )
1045         {
1046             b_expose = VLC_TRUE;
1047         }
1048         else if( (xevent.type == MapNotify)
1049                  && (xevent.xmap.window == p_win->base_window) )
1050         {
1051             b_map_notify = VLC_TRUE;
1052         }
1053         else if( (xevent.type == ConfigureNotify)
1054                  && (xevent.xconfigure.window == p_win->base_window) )
1055         {
1056             b_configure_notify = VLC_TRUE;
1057             p_win->i_width = xevent.xconfigure.width;
1058             p_win->i_height = xevent.xconfigure.height;
1059         }
1060     } while( !( b_expose && b_configure_notify && b_map_notify ) );
1061
1062     XSelectInput( p_vout->p_sys->p_display, p_win->base_window,
1063                   StructureNotifyMask | KeyPressMask |
1064                   ButtonPressMask | ButtonReleaseMask |
1065                   PointerMotionMask );
1066
1067 #ifdef MODULE_NAME_IS_x11
1068     if( XDefaultDepth(p_vout->p_sys->p_display, p_vout->p_sys->i_screen) == 8 )
1069     {
1070         /* Allocate a new palette */
1071         p_vout->p_sys->colormap =
1072             XCreateColormap( p_vout->p_sys->p_display,
1073                              DefaultRootWindow( p_vout->p_sys->p_display ),
1074                              DefaultVisual( p_vout->p_sys->p_display,
1075                                             p_vout->p_sys->i_screen ),
1076                              AllocAll );
1077
1078         xwindow_attributes.colormap = p_vout->p_sys->colormap;
1079         XChangeWindowAttributes( p_vout->p_sys->p_display, p_win->base_window,
1080                                  CWColormap, &xwindow_attributes );
1081     }
1082 #endif
1083
1084     /* Create video output sub-window. */
1085     p_win->video_window =  XCreateSimpleWindow(
1086                                       p_vout->p_sys->p_display,
1087                                       p_win->base_window, 0, 0,
1088                                       p_win->i_width, p_win->i_height,
1089                                       0,
1090                                       BlackPixel( p_vout->p_sys->p_display,
1091                                                   p_vout->p_sys->i_screen ),
1092                                       WhitePixel( p_vout->p_sys->p_display,
1093                                                   p_vout->p_sys->i_screen ) );
1094
1095     XSetWindowBackground( p_vout->p_sys->p_display, p_win->video_window,
1096                           BlackPixel( p_vout->p_sys->p_display,
1097                                       p_vout->p_sys->i_screen ) );
1098
1099     XMapWindow( p_vout->p_sys->p_display, p_win->video_window );
1100     XSelectInput( p_vout->p_sys->p_display, p_win->video_window,
1101                   ExposureMask );
1102
1103     /* make sure the video window will be centered in the next ManageVideo() */
1104     p_vout->i_changes |= VOUT_SIZE_CHANGE;
1105
1106     /* If the cursor was formerly blank than blank it again */
1107     if( !p_vout->p_sys->b_mouse_pointer_visible )
1108     {
1109         ToggleCursor( p_vout );
1110         ToggleCursor( p_vout );
1111     }
1112
1113     /* Do NOT use XFlush here ! */
1114     XSync( p_vout->p_sys->p_display, False );
1115
1116     /* At this stage, the window is open, displayed, and ready to
1117      * receive data */
1118     p_vout->p_sys->p_win = p_win;
1119
1120     return VLC_SUCCESS;
1121 }
1122
1123 /*****************************************************************************
1124  * DestroyWindow: destroy the window
1125  *****************************************************************************
1126  *
1127  *****************************************************************************/
1128 static void DestroyWindow( vout_thread_t *p_vout, x11_window_t *p_win )
1129 {
1130     /* Do NOT use XFlush here ! */
1131     XSync( p_vout->p_sys->p_display, False );
1132
1133     XDestroyWindow( p_vout->p_sys->p_display, p_win->video_window );
1134     XFreeGC( p_vout->p_sys->p_display, p_win->gc );
1135
1136     XUnmapWindow( p_vout->p_sys->p_display, p_win->base_window );
1137     XDestroyWindow( p_vout->p_sys->p_display, p_win->base_window );
1138 }
1139
1140 /*****************************************************************************
1141  * NewPicture: allocate a picture
1142  *****************************************************************************
1143  * Returns 0 on success, -1 otherwise
1144  *****************************************************************************/
1145 static int NewPicture( vout_thread_t *p_vout, picture_t *p_pic )
1146 {
1147     /* We know the chroma, allocate a buffer which will be used
1148      * directly by the decoder */
1149     p_pic->p_sys = malloc( sizeof( picture_sys_t ) );
1150
1151     if( p_pic->p_sys == NULL )
1152     {
1153         return -1;
1154     }
1155
1156 #ifdef HAVE_SYS_SHM_H
1157     if( p_vout->p_sys->b_shm )
1158     {
1159         /* Create image using XShm extension */
1160         p_pic->p_sys->p_image =
1161             CreateShmImage( p_vout, p_vout->p_sys->p_display,
1162 #   ifdef MODULE_NAME_IS_xvideo
1163                             p_vout->p_sys->i_xvport, p_vout->output.i_chroma,
1164 #   else
1165                             p_vout->p_sys->p_visual,
1166                             p_vout->p_sys->i_screen_depth,
1167 #   endif
1168                             &p_pic->p_sys->shminfo,
1169                             p_vout->output.i_width, p_vout->output.i_height );
1170     }
1171     else
1172 #endif /* HAVE_SYS_SHM_H */
1173     {
1174         /* Create image without XShm extension */
1175         p_pic->p_sys->p_image =
1176             CreateImage( p_vout, p_vout->p_sys->p_display,
1177 #ifdef MODULE_NAME_IS_xvideo
1178                          p_vout->p_sys->i_xvport, p_vout->output.i_chroma,
1179 #else
1180                          p_vout->p_sys->p_visual,
1181                          p_vout->p_sys->i_screen_depth,
1182                          p_vout->p_sys->i_bytes_per_pixel,
1183 #endif
1184                          p_vout->output.i_width, p_vout->output.i_height );
1185     }
1186
1187     if( p_pic->p_sys->p_image == NULL )
1188     {
1189         free( p_pic->p_sys );
1190         return -1;
1191     }
1192
1193     switch( p_vout->output.i_chroma )
1194     {
1195 #ifdef MODULE_NAME_IS_xvideo
1196         case VLC_FOURCC('I','4','2','0'):
1197
1198             p_pic->Y_PIXELS = p_pic->p_sys->p_image->data
1199                                + p_pic->p_sys->p_image->offsets[0];
1200             p_pic->p[Y_PLANE].i_lines = p_vout->output.i_height;
1201             p_pic->p[Y_PLANE].i_pitch = p_pic->p_sys->p_image->pitches[0];
1202             p_pic->p[Y_PLANE].i_pixel_pitch = 1;
1203             p_pic->p[Y_PLANE].i_visible_pitch = p_vout->output.i_width;
1204
1205             p_pic->U_PIXELS = p_pic->p_sys->p_image->data
1206                                + p_pic->p_sys->p_image->offsets[1];
1207             p_pic->p[U_PLANE].i_lines = p_vout->output.i_height / 2;
1208             p_pic->p[U_PLANE].i_pitch = p_pic->p_sys->p_image->pitches[1];
1209             p_pic->p[U_PLANE].i_pixel_pitch = 1;
1210             p_pic->p[U_PLANE].i_visible_pitch = p_vout->output.i_width / 2;
1211
1212             p_pic->V_PIXELS = p_pic->p_sys->p_image->data
1213                                + p_pic->p_sys->p_image->offsets[2];
1214             p_pic->p[V_PLANE].i_lines = p_vout->output.i_height / 2;
1215             p_pic->p[V_PLANE].i_pitch = p_pic->p_sys->p_image->pitches[2];
1216             p_pic->p[V_PLANE].i_pixel_pitch = 1;
1217             p_pic->p[V_PLANE].i_visible_pitch = p_vout->output.i_width / 2;
1218
1219             p_pic->i_planes = 3;
1220             break;
1221
1222         case VLC_FOURCC('Y','V','1','2'):
1223
1224             p_pic->Y_PIXELS = p_pic->p_sys->p_image->data
1225                                + p_pic->p_sys->p_image->offsets[0];
1226             p_pic->p[Y_PLANE].i_lines = p_vout->output.i_height;
1227             p_pic->p[Y_PLANE].i_pitch = p_pic->p_sys->p_image->pitches[0];
1228             p_pic->p[Y_PLANE].i_pixel_pitch = 1;
1229             p_pic->p[Y_PLANE].i_visible_pitch = p_pic->p[Y_PLANE].i_pitch;
1230             p_pic->p[Y_PLANE].i_visible_pitch = p_vout->output.i_width;
1231
1232             p_pic->U_PIXELS = p_pic->p_sys->p_image->data
1233                                + p_pic->p_sys->p_image->offsets[2];
1234             p_pic->p[U_PLANE].i_lines = p_vout->output.i_height / 2;
1235             p_pic->p[U_PLANE].i_pitch = p_pic->p_sys->p_image->pitches[2];
1236             p_pic->p[U_PLANE].i_pixel_pitch = 1;
1237             p_pic->p[U_PLANE].i_visible_pitch = p_vout->output.i_width / 2;
1238
1239             p_pic->V_PIXELS = p_pic->p_sys->p_image->data
1240                                + p_pic->p_sys->p_image->offsets[1];
1241             p_pic->p[V_PLANE].i_lines = p_vout->output.i_height / 2;
1242             p_pic->p[V_PLANE].i_pitch = p_pic->p_sys->p_image->pitches[1];
1243             p_pic->p[V_PLANE].i_pixel_pitch = 1;
1244             p_pic->p[V_PLANE].i_visible_pitch = p_vout->output.i_width / 2;
1245
1246             p_pic->i_planes = 3;
1247             break;
1248
1249         case VLC_FOURCC('Y','2','1','1'):
1250
1251             p_pic->p->p_pixels = p_pic->p_sys->p_image->data
1252                                   + p_pic->p_sys->p_image->offsets[0];
1253             p_pic->p->i_lines = p_vout->output.i_height;
1254             /* XXX: this just looks so plain wrong... check it out ! */
1255             p_pic->p->i_pitch = p_pic->p_sys->p_image->pitches[0] / 4;
1256             p_pic->p->i_pixel_pitch = 4;
1257             p_pic->p->i_visible_pitch = p_vout->output.i_width * 4;
1258
1259             p_pic->i_planes = 1;
1260             break;
1261
1262         case VLC_FOURCC('Y','U','Y','2'):
1263         case VLC_FOURCC('U','Y','V','Y'):
1264
1265             p_pic->p->p_pixels = p_pic->p_sys->p_image->data
1266                                   + p_pic->p_sys->p_image->offsets[0];
1267             p_pic->p->i_lines = p_vout->output.i_height;
1268             p_pic->p->i_pitch = p_pic->p_sys->p_image->pitches[0];
1269             p_pic->p->i_pixel_pitch = 4;
1270             p_pic->p->i_visible_pitch = p_vout->output.i_width * 4;
1271
1272             p_pic->i_planes = 1;
1273             break;
1274
1275         case VLC_FOURCC('R','V','1','5'):
1276
1277             p_pic->p->p_pixels = p_pic->p_sys->p_image->data
1278                                   + p_pic->p_sys->p_image->offsets[0];
1279             p_pic->p->i_lines = p_vout->output.i_height;
1280             p_pic->p->i_pitch = p_pic->p_sys->p_image->pitches[0];
1281             p_pic->p->i_pixel_pitch = 2;
1282             p_pic->p->i_visible_pitch = p_vout->output.i_width * 2;
1283
1284             p_pic->i_planes = 1;
1285             break;
1286
1287         case VLC_FOURCC('R','V','1','6'):
1288
1289             p_pic->p->p_pixels = p_pic->p_sys->p_image->data
1290                                   + p_pic->p_sys->p_image->offsets[0];
1291             p_pic->p->i_lines = p_vout->output.i_height;
1292             p_pic->p->i_pitch = p_pic->p_sys->p_image->pitches[0];
1293             p_pic->p->i_pixel_pitch = 2;
1294             p_pic->p->i_visible_pitch = p_vout->output.i_width * 2;
1295
1296             p_pic->i_planes = 1;
1297             break;
1298
1299 #else
1300         case VLC_FOURCC('R','G','B','2'):
1301
1302             p_pic->p->p_pixels = p_pic->p_sys->p_image->data
1303                                   + p_pic->p_sys->p_image->xoffset;
1304             p_pic->p->i_lines = p_pic->p_sys->p_image->height;
1305             p_pic->p->i_pitch = p_pic->p_sys->p_image->bytes_per_line;
1306             p_pic->p->i_pixel_pitch = p_pic->p_sys->p_image->depth;
1307             p_pic->p->i_visible_pitch = p_pic->p_sys->p_image->width;
1308
1309             p_pic->i_planes = 1;
1310
1311             break;
1312
1313         case VLC_FOURCC('R','V','1','6'):
1314         case VLC_FOURCC('R','V','1','5'):
1315
1316             p_pic->p->p_pixels = p_pic->p_sys->p_image->data
1317                                   + p_pic->p_sys->p_image->xoffset;
1318             p_pic->p->i_lines = p_pic->p_sys->p_image->height;
1319             p_pic->p->i_pitch = p_pic->p_sys->p_image->bytes_per_line;
1320             p_pic->p->i_pixel_pitch = p_pic->p_sys->p_image->depth;
1321             p_pic->p->i_visible_pitch = 2 * p_pic->p_sys->p_image->width;
1322
1323             p_pic->i_planes = 1;
1324
1325             break;
1326
1327         case VLC_FOURCC('R','V','3','2'):
1328         case VLC_FOURCC('R','V','2','4'):
1329
1330             p_pic->p->p_pixels = p_pic->p_sys->p_image->data
1331                                   + p_pic->p_sys->p_image->xoffset;
1332             p_pic->p->i_lines = p_pic->p_sys->p_image->height;
1333             p_pic->p->i_pitch = p_pic->p_sys->p_image->bytes_per_line;
1334             p_pic->p->i_pixel_pitch = p_pic->p_sys->p_image->depth;
1335             p_pic->p->i_visible_pitch = 4 * p_pic->p_sys->p_image->width;
1336
1337             p_pic->i_planes = 1;
1338
1339             break;
1340 #endif
1341
1342         default:
1343             /* Unknown chroma, tell the guy to get lost */
1344             IMAGE_FREE( p_pic->p_sys->p_image );
1345             free( p_pic->p_sys );
1346             msg_Err( p_vout, "never heard of chroma 0x%.8x (%4.4s)",
1347                      p_vout->output.i_chroma, (char*)&p_vout->output.i_chroma );
1348             p_pic->i_planes = 0;
1349             return -1;
1350     }
1351
1352     return 0;
1353 }
1354
1355 /*****************************************************************************
1356  * FreePicture: destroy a picture allocated with NewPicture
1357  *****************************************************************************
1358  * Destroy XImage AND associated data. If using Shm, detach shared memory
1359  * segment from server and process, then free it. The XDestroyImage manpage
1360  * says that both the image structure _and_ the data pointed to by the
1361  * image structure are freed, so no need to free p_image->data.
1362  *****************************************************************************/
1363 static void FreePicture( vout_thread_t *p_vout, picture_t *p_pic )
1364 {
1365     /* The order of operations is correct */
1366 #ifdef HAVE_SYS_SHM_H
1367     if( p_vout->p_sys->b_shm )
1368     {
1369         XShmDetach( p_vout->p_sys->p_display, &p_pic->p_sys->shminfo );
1370         IMAGE_FREE( p_pic->p_sys->p_image );
1371
1372         shmctl( p_pic->p_sys->shminfo.shmid, IPC_RMID, 0 );
1373         if( shmdt( p_pic->p_sys->shminfo.shmaddr ) )
1374         {
1375             msg_Err( p_vout, "cannot detach shared memory (%s)",
1376                              strerror(errno) );
1377         }
1378     }
1379     else
1380 #endif
1381     {
1382         IMAGE_FREE( p_pic->p_sys->p_image );
1383     }
1384
1385     /* Do NOT use XFlush here ! */
1386     XSync( p_vout->p_sys->p_display, False );
1387
1388     free( p_pic->p_sys );
1389 }
1390
1391 /*****************************************************************************
1392  * ToggleFullScreen: Enable or disable full screen mode
1393  *****************************************************************************
1394  * This function will switch between fullscreen and window mode.
1395  *****************************************************************************/
1396 static void ToggleFullScreen ( vout_thread_t *p_vout )
1397 {
1398     Atom prop;
1399     XEvent xevent;
1400     mwmhints_t mwmhints;
1401     XSetWindowAttributes attributes;
1402
1403 #ifdef HAVE_XINERAMA
1404     int i_d1, i_d2;
1405 #endif
1406
1407     p_vout->b_fullscreen = !p_vout->b_fullscreen;
1408
1409     if( p_vout->b_fullscreen )
1410     {
1411         msg_Dbg( p_vout, "entering fullscreen mode" );
1412
1413         p_vout->p_sys->b_altfullscreen =
1414             config_GetInt( p_vout, MODULE_STRING "-altfullscreen" );
1415
1416         XUnmapWindow( p_vout->p_sys->p_display,
1417                       p_vout->p_sys->p_win->base_window);
1418
1419         p_vout->p_sys->p_win = &p_vout->p_sys->fullscreen_window;
1420
1421         /* fullscreen window size and position */
1422         p_vout->p_sys->p_win->i_width =
1423             DisplayWidth( p_vout->p_sys->p_display, p_vout->p_sys->i_screen );
1424         p_vout->p_sys->p_win->i_height =
1425             DisplayHeight( p_vout->p_sys->p_display, p_vout->p_sys->i_screen );
1426
1427         CreateWindow( p_vout, p_vout->p_sys->p_win );
1428
1429         /* To my knowledge there are two ways to create a borderless window.
1430          * There's the generic way which is to tell x to bypass the window
1431          * manager, but this creates problems with the focus of other
1432          * applications.
1433          * The other way is to use the motif property "_MOTIF_WM_HINTS" which
1434          * luckily seems to be supported by most window managers. */
1435         if( !p_vout->p_sys->b_altfullscreen )
1436         {
1437             mwmhints.flags = MWM_HINTS_DECORATIONS;
1438             mwmhints.decorations = False;
1439
1440             prop = XInternAtom( p_vout->p_sys->p_display, "_MOTIF_WM_HINTS",
1441                                 False );
1442             XChangeProperty( p_vout->p_sys->p_display,
1443                              p_vout->p_sys->p_win->base_window,
1444                              prop, prop, 32, PropModeReplace,
1445                              (unsigned char *)&mwmhints,
1446                              PROP_MWM_HINTS_ELEMENTS );
1447         }
1448         else
1449         {
1450             /* brute force way to remove decorations */
1451             attributes.override_redirect = True;
1452             XChangeWindowAttributes( p_vout->p_sys->p_display,
1453                                      p_vout->p_sys->p_win->base_window,
1454                                      CWOverrideRedirect,
1455                                      &attributes);
1456         }
1457
1458         /* Make sure the change is effective */
1459         XReparentWindow( p_vout->p_sys->p_display,
1460                          p_vout->p_sys->p_win->base_window,
1461                          DefaultRootWindow( p_vout->p_sys->p_display ),
1462                          0, 0 );
1463
1464         /* fullscreen window size and position */
1465         p_vout->p_sys->p_win->i_width =
1466             DisplayWidth( p_vout->p_sys->p_display, p_vout->p_sys->i_screen );
1467         p_vout->p_sys->p_win->i_height =
1468             DisplayHeight( p_vout->p_sys->p_display, p_vout->p_sys->i_screen );
1469
1470         p_vout->p_sys->p_win->i_x = 0;
1471         p_vout->p_sys->p_win->i_y = 0;
1472
1473 #ifdef HAVE_XINERAMA
1474         if( XineramaQueryExtension( p_vout->p_sys->p_display, &i_d1, &i_d2 ) &&
1475             XineramaIsActive( p_vout->p_sys->p_display ) )
1476         {
1477             XineramaScreenInfo *screens;   /* infos for xinerama */
1478             int i_num_screens;
1479
1480             msg_Dbg( p_vout, "Using XFree Xinerama extension");
1481
1482 #define SCREEN p_vout->p_sys->p_win->i_screen
1483
1484             /* Get Informations about Xinerama (num of screens) */
1485             screens = XineramaQueryScreens( p_vout->p_sys->p_display,
1486                                             &i_num_screens );
1487
1488             if( !SCREEN )
1489                 SCREEN = config_GetInt( p_vout,
1490                                         MODULE_STRING "-xineramascreen" );
1491
1492             /* just check that user has entered a good value */
1493             if( SCREEN >= i_num_screens || SCREEN < 0 )
1494             {
1495                 msg_Dbg( p_vout, "requested screen number invalid" );
1496                 SCREEN = 0;
1497             }
1498
1499             /* Get the X/Y upper left corner coordinate of the above screen */
1500             p_vout->p_sys->p_win->i_x = screens[SCREEN].x_org;
1501             p_vout->p_sys->p_win->i_y = screens[SCREEN].y_org;
1502
1503             /* Set the Height/width to the screen resolution */
1504             p_vout->p_sys->p_win->i_width = screens[SCREEN].width;
1505             p_vout->p_sys->p_win->i_height = screens[SCREEN].height;
1506
1507             XFree(screens);
1508
1509 #undef SCREEN
1510
1511         }
1512 #endif
1513
1514         XMoveResizeWindow( p_vout->p_sys->p_display,
1515                            p_vout->p_sys->p_win->base_window,
1516                            p_vout->p_sys->p_win->i_x,
1517                            p_vout->p_sys->p_win->i_y,
1518                            p_vout->p_sys->p_win->i_width,
1519                            p_vout->p_sys->p_win->i_height );
1520     }
1521     else
1522     {
1523         msg_Dbg( p_vout, "leaving fullscreen mode" );
1524         DestroyWindow( p_vout, &p_vout->p_sys->fullscreen_window );
1525         p_vout->p_sys->p_win = &p_vout->p_sys->original_window;
1526
1527         XMapWindow( p_vout->p_sys->p_display,
1528                     p_vout->p_sys->p_win->base_window);
1529     }
1530
1531     /* Unfortunately, using XSync() here is not enough to ensure the
1532      * window has already been mapped because the XMapWindow() request
1533      * has not necessarily been sent directly to our window (remember,
1534      * the call is first redirected to the window manager) */
1535     do
1536     {
1537         XWindowEvent( p_vout->p_sys->p_display,
1538                       p_vout->p_sys->p_win->base_window,
1539                       StructureNotifyMask, &xevent );
1540     } while( xevent.type != MapNotify );
1541
1542     /* Be careful, this can generate a BadMatch error if the window is not
1543      * already mapped by the server (see above) */
1544     XSetInputFocus(p_vout->p_sys->p_display,
1545                    p_vout->p_sys->p_win->base_window,
1546                    RevertToParent,
1547                    CurrentTime);
1548
1549     /* signal that the size needs to be updated */
1550     p_vout->i_changes |= VOUT_SIZE_CHANGE;
1551 }
1552
1553 /*****************************************************************************
1554  * EnableXScreenSaver: enable screen saver
1555  *****************************************************************************
1556  * This function enables the screen saver on a display after it has been
1557  * disabled by XDisableScreenSaver.
1558  * FIXME: what happens if multiple vlc sessions are running at the same
1559  *        time ???
1560  *****************************************************************************/
1561 static void EnableXScreenSaver( vout_thread_t *p_vout )
1562 {
1563 #ifdef DPMSINFO_IN_DPMS_H
1564     int dummy;
1565 #endif
1566
1567     if( p_vout->p_sys->i_ss_timeout )
1568     {
1569         XSetScreenSaver( p_vout->p_sys->p_display, p_vout->p_sys->i_ss_timeout,
1570                          p_vout->p_sys->i_ss_interval,
1571                          p_vout->p_sys->i_ss_blanking,
1572                          p_vout->p_sys->i_ss_exposure );
1573     }
1574
1575     /* Restore DPMS settings */
1576 #ifdef DPMSINFO_IN_DPMS_H
1577     if( DPMSQueryExtension( p_vout->p_sys->p_display, &dummy, &dummy ) )
1578     {
1579         if( p_vout->p_sys->b_ss_dpms )
1580         {
1581             DPMSEnable( p_vout->p_sys->p_display );
1582         }
1583     }
1584 #endif
1585 }
1586
1587 /*****************************************************************************
1588  * DisableXScreenSaver: disable screen saver
1589  *****************************************************************************
1590  * See XEnableXScreenSaver
1591  *****************************************************************************/
1592 static void DisableXScreenSaver( vout_thread_t *p_vout )
1593 {
1594 #ifdef DPMSINFO_IN_DPMS_H
1595     int dummy;
1596 #endif
1597
1598     /* Save screen saver informations */
1599     XGetScreenSaver( p_vout->p_sys->p_display, &p_vout->p_sys->i_ss_timeout,
1600                      &p_vout->p_sys->i_ss_interval,
1601                      &p_vout->p_sys->i_ss_blanking,
1602                      &p_vout->p_sys->i_ss_exposure );
1603
1604     /* Disable screen saver */
1605     if( p_vout->p_sys->i_ss_timeout )
1606     {
1607         XSetScreenSaver( p_vout->p_sys->p_display, 0,
1608                          p_vout->p_sys->i_ss_interval,
1609                          p_vout->p_sys->i_ss_blanking,
1610                          p_vout->p_sys->i_ss_exposure );
1611     }
1612
1613     /* Disable DPMS */
1614 #ifdef DPMSINFO_IN_DPMS_H
1615     if( DPMSQueryExtension( p_vout->p_sys->p_display, &dummy, &dummy ) )
1616     {
1617         CARD16 unused;
1618         /* Save DPMS current state */
1619         DPMSInfo( p_vout->p_sys->p_display, &unused,
1620                   &p_vout->p_sys->b_ss_dpms );
1621         DPMSDisable( p_vout->p_sys->p_display );
1622    }
1623 #endif
1624 }
1625
1626 /*****************************************************************************
1627  * CreateCursor: create a blank mouse pointer
1628  *****************************************************************************/
1629 static void CreateCursor( vout_thread_t *p_vout )
1630 {
1631     XColor cursor_color;
1632
1633     p_vout->p_sys->cursor_pixmap =
1634         XCreatePixmap( p_vout->p_sys->p_display,
1635                        DefaultRootWindow( p_vout->p_sys->p_display ),
1636                        1, 1, 1 );
1637
1638     XParseColor( p_vout->p_sys->p_display,
1639                  XCreateColormap( p_vout->p_sys->p_display,
1640                                   DefaultRootWindow(
1641                                                     p_vout->p_sys->p_display ),
1642                                   DefaultVisual(
1643                                                 p_vout->p_sys->p_display,
1644                                                 p_vout->p_sys->i_screen ),
1645                                   AllocNone ),
1646                  "black", &cursor_color );
1647
1648     p_vout->p_sys->blank_cursor =
1649         XCreatePixmapCursor( p_vout->p_sys->p_display,
1650                              p_vout->p_sys->cursor_pixmap,
1651                              p_vout->p_sys->cursor_pixmap,
1652                              &cursor_color, &cursor_color, 1, 1 );
1653 }
1654
1655 /*****************************************************************************
1656  * DestroyCursor: destroy the blank mouse pointer
1657  *****************************************************************************/
1658 static void DestroyCursor( vout_thread_t *p_vout )
1659 {
1660     XFreePixmap( p_vout->p_sys->p_display, p_vout->p_sys->cursor_pixmap );
1661 }
1662
1663 /*****************************************************************************
1664  * ToggleCursor: hide or show the mouse pointer
1665  *****************************************************************************
1666  * This function hides the X pointer if it is visible by setting the pointer
1667  * sprite to a blank one. To show it again, we disable the sprite.
1668  *****************************************************************************/
1669 static void ToggleCursor( vout_thread_t *p_vout )
1670 {
1671     if( p_vout->p_sys->b_mouse_pointer_visible )
1672     {
1673         XDefineCursor( p_vout->p_sys->p_display,
1674                        p_vout->p_sys->p_win->base_window,
1675                        p_vout->p_sys->blank_cursor );
1676         p_vout->p_sys->b_mouse_pointer_visible = 0;
1677     }
1678     else
1679     {
1680         XUndefineCursor( p_vout->p_sys->p_display,
1681                          p_vout->p_sys->p_win->base_window );
1682         p_vout->p_sys->b_mouse_pointer_visible = 1;
1683     }
1684 }
1685
1686 #ifdef MODULE_NAME_IS_xvideo
1687 /*****************************************************************************
1688  * XVideoGetPort: get YUV12 port
1689  *****************************************************************************/
1690 static int XVideoGetPort( vout_thread_t *p_vout,
1691                           vlc_fourcc_t i_chroma, vlc_fourcc_t *pi_newchroma )
1692 {
1693     XvAdaptorInfo *p_adaptor;
1694     unsigned int i;
1695     int i_adaptor, i_num_adaptors, i_requested_adaptor;
1696     int i_selected_port;
1697
1698     switch( XvQueryExtension( p_vout->p_sys->p_display, &i, &i, &i, &i, &i ) )
1699     {
1700         case Success:
1701             break;
1702
1703         case XvBadExtension:
1704             msg_Warn( p_vout, "XvBadExtension" );
1705             return -1;
1706
1707         case XvBadAlloc:
1708             msg_Warn( p_vout, "XvBadAlloc" );
1709             return -1;
1710
1711         default:
1712             msg_Warn( p_vout, "XvQueryExtension failed" );
1713             return -1;
1714     }
1715
1716     switch( XvQueryAdaptors( p_vout->p_sys->p_display,
1717                              DefaultRootWindow( p_vout->p_sys->p_display ),
1718                              &i_num_adaptors, &p_adaptor ) )
1719     {
1720         case Success:
1721             break;
1722
1723         case XvBadExtension:
1724             msg_Warn( p_vout, "XvBadExtension for XvQueryAdaptors" );
1725             return -1;
1726
1727         case XvBadAlloc:
1728             msg_Warn( p_vout, "XvBadAlloc for XvQueryAdaptors" );
1729             return -1;
1730
1731         default:
1732             msg_Warn( p_vout, "XvQueryAdaptors failed" );
1733             return -1;
1734     }
1735
1736     i_selected_port = -1;
1737     i_requested_adaptor = config_GetInt( p_vout, "xvideo-adaptor" );
1738
1739     for( i_adaptor = 0; i_adaptor < i_num_adaptors; ++i_adaptor )
1740     {
1741         XvImageFormatValues *p_formats;
1742         int i_format, i_num_formats;
1743         int i_port;
1744
1745         /* If we requested an adaptor and it's not this one, we aren't
1746          * interested */
1747         if( i_requested_adaptor != -1 && i_adaptor != i_requested_adaptor )
1748         {
1749             continue;
1750         }
1751
1752         /* If the adaptor doesn't have the required properties, skip it */
1753         if( !( p_adaptor[ i_adaptor ].type & XvInputMask ) ||
1754             !( p_adaptor[ i_adaptor ].type & XvImageMask ) )
1755         {
1756             continue;
1757         }
1758
1759         /* Check that adaptor supports our requested format... */
1760         p_formats = XvListImageFormats( p_vout->p_sys->p_display,
1761                                         p_adaptor[i_adaptor].base_id,
1762                                         &i_num_formats );
1763
1764         for( i_format = 0;
1765              i_format < i_num_formats && ( i_selected_port == -1 );
1766              i_format++ )
1767         {
1768             /* Code removed, we can get this through xvinfo anyway */
1769 #if 0
1770             XvEncodingInfo  *p_enc;
1771             int             i_enc, i_num_encodings;
1772             XvAttribute     *p_attr;
1773             int             i_attr, i_num_attributes;
1774 #endif
1775
1776             /* If this is not the format we want, or at least a
1777              * similar one, forget it */
1778             if( !vout_ChromaCmp( p_formats[ i_format ].id, i_chroma ) )
1779             {
1780                 continue;
1781             }
1782
1783             /* Look for the first available port supporting this format */
1784             for( i_port = p_adaptor[i_adaptor].base_id;
1785                  ( i_port < (int)(p_adaptor[i_adaptor].base_id
1786                                    + p_adaptor[i_adaptor].num_ports) )
1787                    && ( i_selected_port == -1 );
1788                  i_port++ )
1789             {
1790                 if( XvGrabPort( p_vout->p_sys->p_display, i_port, CurrentTime )
1791                      == Success )
1792                 {
1793                     i_selected_port = i_port;
1794                     *pi_newchroma = p_formats[ i_format ].id;
1795                 }
1796             }
1797
1798             /* If no free port was found, forget it */
1799             if( i_selected_port == -1 )
1800             {
1801                 continue;
1802             }
1803
1804             /* If we found a port, print information about it */
1805             msg_Dbg( p_vout, "adaptor %i, port %i, format 0x%x (%4.4s) %s",
1806                      i_adaptor, i_selected_port, p_formats[ i_format ].id,
1807                      (char *)&p_formats[ i_format ].id,
1808                      ( p_formats[ i_format ].format == XvPacked ) ?
1809                          "packed" : "planar" );
1810
1811 #if 0
1812             msg_Dbg( p_vout, " encoding list:" );
1813
1814             if( XvQueryEncodings( p_vout->p_sys->p_display, i_selected_port,
1815                                   &i_num_encodings, &p_enc )
1816                  != Success )
1817             {
1818                 msg_Dbg( p_vout, "  XvQueryEncodings failed" );
1819                 continue;
1820             }
1821
1822             for( i_enc = 0; i_enc < i_num_encodings; i_enc++ )
1823             {
1824                 msg_Dbg( p_vout, "  id=%ld, name=%s, size=%ldx%ld,"
1825                                       " numerator=%d, denominator=%d",
1826                              p_enc[i_enc].encoding_id, p_enc[i_enc].name,
1827                              p_enc[i_enc].width, p_enc[i_enc].height,
1828                              p_enc[i_enc].rate.numerator,
1829                              p_enc[i_enc].rate.denominator );
1830             }
1831
1832             if( p_enc != NULL )
1833             {
1834                 XvFreeEncodingInfo( p_enc );
1835             }
1836
1837             msg_Dbg( p_vout, " attribute list:" );
1838             p_attr = XvQueryPortAttributes( p_vout->p_sys->p_display,
1839                                             i_selected_port,
1840                                             &i_num_attributes );
1841             for( i_attr = 0; i_attr < i_num_attributes; i_attr++ )
1842             {
1843                 msg_Dbg( p_vout, "  name=%s, flags=[%s%s ], min=%i, max=%i",
1844                       p_attr[i_attr].name,
1845                       (p_attr[i_attr].flags & XvGettable) ? " get" : "",
1846                       (p_attr[i_attr].flags & XvSettable) ? " set" : "",
1847                       p_attr[i_attr].min_value, p_attr[i_attr].max_value );
1848             }
1849
1850             if( p_attr != NULL )
1851             {
1852                 XFree( p_attr );
1853             }
1854 #endif
1855         }
1856
1857         if( p_formats != NULL )
1858         {
1859             XFree( p_formats );
1860         }
1861
1862     }
1863
1864     if( i_num_adaptors > 0 )
1865     {
1866         XvFreeAdaptorInfo( p_adaptor );
1867     }
1868
1869     if( i_selected_port == -1 )
1870     {
1871         int i_chroma_tmp = X112VLC_FOURCC( i_chroma );
1872         if( i_requested_adaptor == -1 )
1873         {
1874             msg_Warn( p_vout, "no free XVideo port found for format "
1875                       "0x%.8x (%4.4s)", i_chroma_tmp, (char*)&i_chroma_tmp );
1876         }
1877         else
1878         {
1879             msg_Warn( p_vout, "XVideo adaptor %i does not have a free "
1880                       "XVideo port for format 0x%.8x (%4.4s)",
1881                       i_requested_adaptor, i_chroma_tmp, (char*)&i_chroma_tmp );
1882         }
1883     }
1884
1885     return i_selected_port;
1886 }
1887
1888 /*****************************************************************************
1889  * XVideoReleasePort: release YUV12 port
1890  *****************************************************************************/
1891 static void XVideoReleasePort( vout_thread_t *p_vout, int i_port )
1892 {
1893     XvUngrabPort( p_vout->p_sys->p_display, i_port, CurrentTime );
1894 }
1895 #endif
1896
1897 /*****************************************************************************
1898  * InitDisplay: open and initialize X11 device
1899  *****************************************************************************
1900  * Create a window according to video output given size, and set other
1901  * properties according to the display properties.
1902  *****************************************************************************/
1903 static int InitDisplay( vout_thread_t *p_vout )
1904 {
1905 #ifdef MODULE_NAME_IS_x11
1906     XPixmapFormatValues *       p_formats;                 /* pixmap formats */
1907     XVisualInfo *               p_xvisual;           /* visuals informations */
1908     XVisualInfo                 xvisual_template;         /* visual template */
1909     int                         i_count;                       /* array size */
1910 #endif
1911
1912 #ifdef HAVE_SYS_SHM_H
1913     p_vout->p_sys->b_shm = 0;
1914
1915     if( config_GetInt( p_vout, MODULE_STRING "-shm" ) )
1916     {
1917 #   ifdef SYS_DARWIN
1918         /* FIXME: As of 2001-03-16, XFree4 for MacOS X does not support Xshm */
1919 #   else
1920         p_vout->p_sys->b_shm =
1921                   ( XShmQueryExtension( p_vout->p_sys->p_display ) == True );
1922 #   endif
1923
1924         if( !p_vout->p_sys->b_shm )
1925         {
1926             msg_Warn( p_vout, "XShm video extension is unavailable" );
1927         }
1928     }
1929     else
1930     {
1931         msg_Dbg( p_vout, "disabling XShm video extension" );
1932     }
1933
1934 #else
1935     msg_Warn( p_vout, "XShm video extension is unavailable" );
1936
1937 #endif
1938
1939 #ifdef MODULE_NAME_IS_xvideo
1940     /* XXX The brightness and contrast values should be read from environment
1941      * XXX variables... */
1942 #if 0
1943     XVideoSetAttribute( p_vout, "XV_BRIGHTNESS", 0.5 );
1944     XVideoSetAttribute( p_vout, "XV_CONTRAST",   0.5 );
1945 #endif
1946 #endif
1947
1948 #ifdef MODULE_NAME_IS_x11
1949     /* Initialize structure */
1950     p_vout->p_sys->i_screen = DefaultScreen( p_vout->p_sys->p_display );
1951
1952     /* Get screen depth */
1953     p_vout->p_sys->i_screen_depth = XDefaultDepth( p_vout->p_sys->p_display,
1954                                                    p_vout->p_sys->i_screen );
1955     switch( p_vout->p_sys->i_screen_depth )
1956     {
1957     case 8:
1958         /*
1959          * Screen depth is 8bpp. Use PseudoColor visual with private colormap.
1960          */
1961         xvisual_template.screen =   p_vout->p_sys->i_screen;
1962         xvisual_template.class =    DirectColor;
1963         p_xvisual = XGetVisualInfo( p_vout->p_sys->p_display,
1964                                     VisualScreenMask | VisualClassMask,
1965                                     &xvisual_template, &i_count );
1966         if( p_xvisual == NULL )
1967         {
1968             msg_Err( p_vout, "no PseudoColor visual available" );
1969             return VLC_EGENERIC;
1970         }
1971         p_vout->p_sys->i_bytes_per_pixel = 1;
1972         p_vout->output.pf_setpalette = SetPalette;
1973         break;
1974     case 15:
1975     case 16:
1976     case 24:
1977     default:
1978         /*
1979          * Screen depth is higher than 8bpp. TrueColor visual is used.
1980          */
1981         xvisual_template.screen =   p_vout->p_sys->i_screen;
1982         xvisual_template.class =    TrueColor;
1983         p_xvisual = XGetVisualInfo( p_vout->p_sys->p_display,
1984                                     VisualScreenMask | VisualClassMask,
1985                                     &xvisual_template, &i_count );
1986         if( p_xvisual == NULL )
1987         {
1988             msg_Err( p_vout, "no TrueColor visual available" );
1989             return VLC_EGENERIC;
1990         }
1991
1992         p_vout->output.i_rmask = p_xvisual->red_mask;
1993         p_vout->output.i_gmask = p_xvisual->green_mask;
1994         p_vout->output.i_bmask = p_xvisual->blue_mask;
1995
1996         /* There is no difference yet between 3 and 4 Bpp. The only way
1997          * to find the actual number of bytes per pixel is to list supported
1998          * pixmap formats. */
1999         p_formats = XListPixmapFormats( p_vout->p_sys->p_display, &i_count );
2000         p_vout->p_sys->i_bytes_per_pixel = 0;
2001
2002         for( ; i_count-- ; p_formats++ )
2003         {
2004             /* Under XFree4.0, the list contains pixmap formats available
2005              * through all video depths ; so we have to check against current
2006              * depth. */
2007             if( p_formats->depth == (int)p_vout->p_sys->i_screen_depth )
2008             {
2009                 if( p_formats->bits_per_pixel / 8
2010                         > (int)p_vout->p_sys->i_bytes_per_pixel )
2011                 {
2012                     p_vout->p_sys->i_bytes_per_pixel =
2013                                                p_formats->bits_per_pixel / 8;
2014                 }
2015             }
2016         }
2017         break;
2018     }
2019     p_vout->p_sys->p_visual = p_xvisual->visual;
2020     XFree( p_xvisual );
2021 #endif
2022
2023     return VLC_SUCCESS;
2024 }
2025
2026 #ifdef HAVE_SYS_SHM_H
2027 /*****************************************************************************
2028  * CreateShmImage: create an XImage or XvImage using shared memory extension
2029  *****************************************************************************
2030  * Prepare an XImage or XvImage for display function.
2031  * The order of the operations respects the recommandations of the mit-shm
2032  * document by J.Corbet and K.Packard. Most of the parameters were copied from
2033  * there. See http://ftp.xfree86.org/pub/XFree86/4.0/doc/mit-shm.TXT
2034  *****************************************************************************/
2035 static IMAGE_TYPE * CreateShmImage( vout_thread_t *p_vout,
2036                                     Display* p_display, EXTRA_ARGS_SHM,
2037                                     int i_width, int i_height )
2038 {
2039     IMAGE_TYPE *p_image;
2040
2041     /* Create XImage / XvImage */
2042 #ifdef MODULE_NAME_IS_xvideo
2043     p_image = XvShmCreateImage( p_display, i_xvport, i_chroma, 0,
2044                                 i_width, i_height, p_shm );
2045 #else
2046     p_image = XShmCreateImage( p_display, p_visual, i_depth, ZPixmap, 0,
2047                                p_shm, i_width, i_height );
2048 #endif
2049     if( p_image == NULL )
2050     {
2051         msg_Err( p_vout, "image creation failed" );
2052         return NULL;
2053     }
2054
2055     /* Allocate shared memory segment - 0776 set the access permission
2056      * rights (like umask), they are not yet supported by all X servers */
2057     p_shm->shmid = shmget( IPC_PRIVATE, DATA_SIZE(p_image), IPC_CREAT | 0776 );
2058     if( p_shm->shmid < 0 )
2059     {
2060         msg_Err( p_vout, "cannot allocate shared image data (%s)",
2061                          strerror( errno ) );
2062         IMAGE_FREE( p_image );
2063         return NULL;
2064     }
2065
2066     /* Attach shared memory segment to process (read/write) */
2067     p_shm->shmaddr = p_image->data = shmat( p_shm->shmid, 0, 0 );
2068     if(! p_shm->shmaddr )
2069     {
2070         msg_Err( p_vout, "cannot attach shared memory (%s)",
2071                          strerror(errno));
2072         IMAGE_FREE( p_image );
2073         shmctl( p_shm->shmid, IPC_RMID, 0 );
2074         return NULL;
2075     }
2076
2077     /* Read-only data. We won't be using XShmGetImage */
2078     p_shm->readOnly = True;
2079
2080     /* Attach shared memory segment to X server */
2081     if( XShmAttach( p_display, p_shm ) == False )
2082     {
2083         msg_Err( p_vout, "cannot attach shared memory to X server" );
2084         IMAGE_FREE( p_image );
2085         shmctl( p_shm->shmid, IPC_RMID, 0 );
2086         shmdt( p_shm->shmaddr );
2087         return NULL;
2088     }
2089
2090     /* Send image to X server. This instruction is required, since having
2091      * built a Shm XImage and not using it causes an error on XCloseDisplay,
2092      * and remember NOT to use XFlush ! */
2093     XSync( p_display, False );
2094
2095 #if 0
2096     /* Mark the shm segment to be removed when there are no more
2097      * attachements, so it is automatic on process exit or after shmdt */
2098     shmctl( p_shm->shmid, IPC_RMID, 0 );
2099 #endif
2100
2101     return p_image;
2102 }
2103 #endif
2104
2105 /*****************************************************************************
2106  * CreateImage: create an XImage or XvImage
2107  *****************************************************************************
2108  * Create a simple image used as a buffer.
2109  *****************************************************************************/
2110 static IMAGE_TYPE * CreateImage( vout_thread_t *p_vout,
2111                                  Display *p_display, EXTRA_ARGS,
2112                                  int i_width, int i_height )
2113 {
2114     byte_t *    p_data;                           /* image data storage zone */
2115     IMAGE_TYPE *p_image;
2116 #ifdef MODULE_NAME_IS_x11
2117     int         i_quantum;                     /* XImage quantum (see below) */
2118     int         i_bytes_per_line;
2119 #endif
2120
2121     /* Allocate memory for image */
2122 #ifdef MODULE_NAME_IS_xvideo
2123     p_data = (byte_t *) malloc( i_width * i_height * 2 ); /* XXX */
2124 #else
2125     i_bytes_per_line = i_width * i_bytes_per_pixel;
2126     p_data = (byte_t *) malloc( i_bytes_per_line * i_height );
2127 #endif
2128     if( !p_data )
2129     {
2130         msg_Err( p_vout, "out of memory" );
2131         return NULL;
2132     }
2133
2134 #ifdef MODULE_NAME_IS_x11
2135     /* Optimize the quantum of a scanline regarding its size - the quantum is
2136        a diviser of the number of bits between the start of two scanlines. */
2137     if( i_bytes_per_line & 0xf )
2138     {
2139         i_quantum = 0x8;
2140     }
2141     else if( i_bytes_per_line & 0x10 )
2142     {
2143         i_quantum = 0x10;
2144     }
2145     else
2146     {
2147         i_quantum = 0x20;
2148     }
2149 #endif
2150
2151     /* Create XImage. p_data will be automatically freed */
2152 #ifdef MODULE_NAME_IS_xvideo
2153     p_image = XvCreateImage( p_display, i_xvport, i_chroma,
2154                              p_data, i_width, i_height );
2155 #else
2156     p_image = XCreateImage( p_display, p_visual, i_depth, ZPixmap, 0,
2157                             p_data, i_width, i_height, i_quantum, 0 );
2158 #endif
2159     if( p_image == NULL )
2160     {
2161         msg_Err( p_vout, "XCreateImage() failed" );
2162         free( p_data );
2163         return NULL;
2164     }
2165
2166     return p_image;
2167 }
2168
2169 #ifdef MODULE_NAME_IS_x11
2170 /*****************************************************************************
2171  * SetPalette: sets an 8 bpp palette
2172  *****************************************************************************
2173  * This function sets the palette given as an argument. It does not return
2174  * anything, but could later send information on which colors it was unable
2175  * to set.
2176  *****************************************************************************/
2177 static void SetPalette( vout_thread_t *p_vout,
2178                         uint16_t *red, uint16_t *green, uint16_t *blue )
2179 {
2180     int i;
2181     XColor p_colors[255];
2182
2183     /* allocate palette */
2184     for( i = 0; i < 255; i++ )
2185     {
2186         /* kludge: colors are indexed reversely because color 255 seems
2187          * to be reserved for black even if we try to set it to white */
2188         p_colors[ i ].pixel = 255 - i;
2189         p_colors[ i ].pad   = 0;
2190         p_colors[ i ].flags = DoRed | DoGreen | DoBlue;
2191         p_colors[ i ].red   = red[ 255 - i ];
2192         p_colors[ i ].blue  = blue[ 255 - i ];
2193         p_colors[ i ].green = green[ 255 - i ];
2194     }
2195
2196     XStoreColors( p_vout->p_sys->p_display,
2197                   p_vout->p_sys->colormap, p_colors, 255 );
2198 }
2199 #endif