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 1.25 2003/07/29 09:32:14 sam 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                     p_vout->p_vlc->b_die = 1;
 529                 }
 530                 break;
 531             case XK_Menu:
 532                 {
 533                     intf_thread_t *p_intf;
 534                     playlist_t * p_playlist;
 535
 536                     p_intf = vlc_object_find( p_vout, VLC_OBJECT_INTF,
 537                                                       FIND_ANYWHERE );
 538                     if( p_intf )
 539                     {
 540                         p_intf->b_menu_change = 1;
 541                         vlc_object_release( p_intf );
 542                     }
 543
 544                     p_playlist = vlc_object_find( p_vout, VLC_OBJECT_PLAYLIST,
 545                                                            FIND_ANYWHERE );
 546                     if( p_playlist != NULL )
 547                     {
 548                         vlc_value_t val;
 549                         var_Set( p_playlist, "intf-popupmenu", val );
 550                         vlc_object_release( p_playlist );
 551                     }
 552                 }
 553                 break;
 554             case XK_Left:
 555 /*                input_Seek( p_vout, -5, INPUT_SEEK_SECONDS | INPUT_SEEK_CUR ); */
 556                 val.psz_string = "LEFT";
 557                 var_Set( p_vout, "key-pressed", val );
 558                 break;
 559             case XK_Right:
 560 /*                input_Seek( p_vout, 5, INPUT_SEEK_SECONDS | INPUT_SEEK_CUR ); */
 561                 val.psz_string = "RIGHT";
 562                 var_Set( p_vout, "key-pressed", val );
 563                 break;
 564             case XK_Up:
 565 /*                input_Seek( p_vout, 60, INPUT_SEEK_SECONDS | INPUT_SEEK_CUR ); */
 566                 val.psz_string = "UP";
 567                 var_Set( p_vout, "key-pressed", val );
 568                 break;
 569             case XK_Down:
 570 /*                input_Seek( p_vout, -60, INPUT_SEEK_SECONDS | INPUT_SEEK_CUR ); */
 571                 val.psz_string = "DOWN";
 572                 var_Set( p_vout, "key-pressed", val );
 573                 break;
 574             case XK_Return:
 575             case XK_KP_Enter:
 576                 val.psz_string = "ENTER";
 577                 var_Set( p_vout, "key-pressed", val );
 578                 break;
 579             case XK_Home:
 580                 input_Seek( p_vout, 0, INPUT_SEEK_BYTES | INPUT_SEEK_SET );
 581                 break;
 582             case XK_End:
 583                 input_Seek( p_vout, 0, INPUT_SEEK_BYTES | INPUT_SEEK_END );
 584                 break;
 585             case XK_Page_Up:
 586                 input_Seek( p_vout, 5, INPUT_SEEK_SECONDS | INPUT_SEEK_CUR );
 587                 break;
 588             case XK_Page_Down:
 589                 input_Seek( p_vout, -5, INPUT_SEEK_SECONDS | INPUT_SEEK_CUR );
 590                 break;
 591             case XK_space:
 592                 input_SetStatus( p_vout, INPUT_STATUS_PAUSE );
 593                 break;
 594
 595             default:
 596                 /* "Normal Keys"
 597                  * The reason why I use this instead of XK_0 is that
 598                  * with XLookupString, we don't have to care about
 599                  * keymaps. */
 600
 601                 if( XLookupString( &xevent.xkey, &i_key, 1, NULL, NULL ) )
 602                 {
 603                     /* FIXME: handle stuff here */
 604                     switch( i_key )
 605                     {
 606                     case 'q':
 607                     case 'Q':
 608                         p_vout->p_vlc->b_die = 1;
 609                         break;
 610                     case 'f':
 611                     case 'F':
 612                         p_vout->i_changes |= VOUT_FULLSCREEN_CHANGE;
 613                         break;
 614
 615                     default:
 616                         break;
 617                     }
 618                 }
 619                 break;
 620             }
 621         }
 622         /* Mouse click */
 623         else if( xevent.type == ButtonPress )
 624         {
 625             switch( ((XButtonEvent *)&xevent)->button )
 626             {
 627                 case Button1:
 628                     var_Get( p_vout, "mouse-button-down", &val );
 629                     val.i_int |= 1;
 630                     var_Set( p_vout, "mouse-button-down", val );
 631
 632                     /* detect double-clicks */
 633                     if( ( ((XButtonEvent *)&xevent)->time -
 634                           p_vout->p_sys->i_time_button_last_pressed ) < 300 )
 635                     {
 636                         p_vout->i_changes |= VOUT_FULLSCREEN_CHANGE;
 637                     }
 638
 639                     p_vout->p_sys->i_time_button_last_pressed =
 640                         ((XButtonEvent *)&xevent)->time;
 641                     break;
 642                 case Button2:
 643                     var_Get( p_vout, "mouse-button-down", &val );
 644                     val.i_int |= 2;
 645                     var_Set( p_vout, "mouse-button-down", val );
 646                     break;
 647
 648                 case Button3:
 649                     var_Get( p_vout, "mouse-button-down", &val );
 650                     val.i_int |= 4;
 651                     var_Set( p_vout, "mouse-button-down", val );
 652                     break;
 653
 654                 case Button4:
 655                     var_Get( p_vout, "mouse-button-down", &val );
 656                     val.i_int |= 8;
 657                     var_Set( p_vout, "mouse-button-down", val );
 658                     input_Seek( p_vout, 15, INPUT_SEEK_SECONDS | INPUT_SEEK_CUR );
 659                     break;
 660
 661                 case Button5:
 662                     var_Get( p_vout, "mouse-button-down", &val );
 663                     val.i_int |= 16;
 664                     var_Set( p_vout, "mouse-button-down", val );
 665                     input_Seek( p_vout, -15, INPUT_SEEK_SECONDS | INPUT_SEEK_CUR );
 666                     break;
 667             }
 668         }
 669         /* Mouse release */
 670         else if( xevent.type == ButtonRelease )
 671         {
 672             switch( ((XButtonEvent *)&xevent)->button )
 673             {
 674                 case Button1:
 675                     var_Get( p_vout, "mouse-button-down", &val );
 676                     val.i_int &= ~1;
 677                     var_Set( p_vout, "mouse-button-down", val );
 678
 679                     val.b_bool = VLC_TRUE;
 680                     var_Set( p_vout, "mouse-clicked", val );
 681                     break;
 682
 683                 case Button2:
 684                     {
 685                         playlist_t *p_playlist;
 686
 687                         var_Get( p_vout, "mouse-button-down", &val );
 688                         val.i_int &= ~2;
 689                         var_Set( p_vout, "mouse-button-down", val );
 690
 691                         p_playlist = vlc_object_find( p_vout,
 692                                                       VLC_OBJECT_PLAYLIST,
 693                                                       FIND_ANYWHERE );
 694                         if( p_playlist != NULL )
 695                         {
 696                             vlc_value_t val;
 697                             var_Get( p_playlist, "intf-show", &val );
 698                             val.b_bool = !val.b_bool;
 699                             var_Set( p_playlist, "intf-show", val );
 700                             vlc_object_release( p_playlist );
 701                         }
 702                     }
 703                     break;
 704
 705                 case Button3:
 706                     {
 707                         intf_thread_t *p_intf;
 708                         playlist_t *p_playlist;
 709
 710                         var_Get( p_vout, "mouse-button-down", &val );
 711                         val.i_int &= ~4;
 712                         var_Set( p_vout, "mouse-button-down", val );
 713                         p_intf = vlc_object_find( p_vout, VLC_OBJECT_INTF,
 714                                                           FIND_ANYWHERE );
 715                         if( p_intf )
 716                         {
 717                             p_intf->b_menu_change = 1;
 718                             vlc_object_release( p_intf );
 719                         }
 720
 721                         p_playlist = vlc_object_find( p_vout,
 722                                                       VLC_OBJECT_PLAYLIST,
 723                                                       FIND_ANYWHERE );
 724                         if( p_playlist != NULL )
 725                         {
 726                             vlc_value_t val;
 727                             var_Set( p_playlist, "intf-popupmenu", val );
 728                             vlc_object_release( p_playlist );
 729                         }
 730                     }
 731                     break;
 732
 733                 case Button4:
 734                     var_Get( p_vout, "mouse-button-down", &val );
 735                     val.i_int &= ~8;
 736                     var_Set( p_vout, "mouse-button-down", val );
 737                     break;
 738
 739                 case Button5:
 740                     var_Get( p_vout, "mouse-button-down", &val );
 741                     val.i_int &= ~16;
 742                     var_Set( p_vout, "mouse-button-down", val );
 743                     break;
 744
 745             }
 746         }
 747         /* Mouse move */
 748         else if( xevent.type == MotionNotify )
 749         {
 750             int i_width, i_height, i_x, i_y;
 751             vlc_value_t val;
 752
 753             /* somewhat different use for vout_PlacePicture:
 754              * here the values are needed to give to mouse coordinates
 755              * in the original picture space */
 756             vout_PlacePicture( p_vout, p_vout->p_sys->p_win->i_width,
 757                                p_vout->p_sys->p_win->i_height,
 758                                &i_x, &i_y, &i_width, &i_height );
 759
 760             val.i_int = ( xevent.xmotion.x - i_x )
 761                          * p_vout->render.i_width / i_width;
 762             var_Set( p_vout, "mouse-x", val );
 763             val.i_int = ( xevent.xmotion.y - i_y )
 764                          * p_vout->render.i_height / i_height;
 765             var_Set( p_vout, "mouse-y", val );
 766
 767             val.b_bool = VLC_TRUE;
 768             var_Set( p_vout, "mouse-moved", val );
 769
 770             p_vout->p_sys->i_time_mouse_last_moved = mdate();
 771             if( ! p_vout->p_sys->b_mouse_pointer_visible )
 772             {
 773                 ToggleCursor( p_vout );
 774             }
 775         }
 776         else if( xevent.type == ReparentNotify /* XXX: why do we get this? */
 777                   || xevent.type == MapNotify
 778                   || xevent.type == UnmapNotify )
 779         {
 780             /* Ignore these events */
 781         }
 782         else /* Other events */
 783         {
 784             msg_Warn( p_vout, "unhandled event %d received", xevent.type );
 785         }
 786     }
 787
 788     /* Handle events for video output sub-window */
 789     while( XCheckWindowEvent( p_vout->p_sys->p_display,
 790                               p_vout->p_sys->p_win->video_window,
 791                               ExposureMask, &xevent ) == True )
 792     {
 793         /* Window exposed (only handled if stream playback is paused) */
 794         if( xevent.type == Expose )
 795         {
 796             if( ((XExposeEvent *)&xevent)->count == 0 )
 797             {
 798                 /* (if this is the last a collection of expose events...) */
 799 #if 0
 800                 if( p_vout->p_vlc->p_input_bank->pp_input[0] != NULL )
 801                 {
 802                     if( PAUSE_S == p_vout->p_vlc->p_input_bank->pp_input[0]
 803                                                    ->stream.control.i_status )
 804                     {
 805                         /* XVideoDisplay( p_vout )*/;
 806                     }
 807                 }
 808 #endif
 809             }
 810         }
 811     }
 812
 813     /* ClientMessage event - only WM_PROTOCOLS with WM_DELETE_WINDOW data
 814      * are handled - according to the man pages, the format is always 32
 815      * in this case */
 816     while( XCheckTypedEvent( p_vout->p_sys->p_display,
 817                              ClientMessage, &xevent ) )
 818     {
 819         if( (xevent.xclient.message_type == p_vout->p_sys->p_win->wm_protocols)
 820                && ((Atom)xevent.xclient.data.l[0]
 821                      == p_vout->p_sys->p_win->wm_delete_window ) )
 822         {
 823             p_vout->p_vlc->b_die = 1;
 824         }
 825     }
 826
 827     /*
 828      * Fullscreen Change
 829      */
 830     if ( p_vout->i_changes & VOUT_FULLSCREEN_CHANGE )
 831     {
 832         vlc_value_t val;
 833
 834         /* Update the object variable and trigger callback */
 835         val.b_bool = !p_vout->b_fullscreen;
 836         var_Set( p_vout, "fullscreen", val );
 837
 838         ToggleFullScreen( p_vout );
 839         p_vout->i_changes &= ~VOUT_FULLSCREEN_CHANGE;
 840     }
 841
 842     /*
 843      * Size change
 844      *
 845      * (Needs to be placed after VOUT_FULLSREEN_CHANGE because we can activate
 846      *  the size flag inside the fullscreen routine)
 847      */
 848     if( p_vout->i_changes & VOUT_SIZE_CHANGE )
 849     {
 850         int i_width, i_height, i_x, i_y;
 851
 852         p_vout->i_changes &= ~VOUT_SIZE_CHANGE;
 853
 854 #ifdef MODULE_NAME_IS_x11
 855         /* We need to signal the vout thread about the size change because it
 856          * is doing the rescaling */
 857         p_vout->i_changes |= VOUT_SIZE_CHANGE;
 858 #endif
 859
 860         vout_PlacePicture( p_vout, p_vout->p_sys->p_win->i_width,
 861                            p_vout->p_sys->p_win->i_height,
 862                            &i_x, &i_y, &i_width, &i_height );
 863
 864         XResizeWindow( p_vout->p_sys->p_display,
 865                        p_vout->p_sys->p_win->video_window, i_width, i_height );
 866
 867         XMoveWindow( p_vout->p_sys->p_display,
 868                      p_vout->p_sys->p_win->video_window, i_x, i_y );
 869     }
 870
 871     /* Autohide Cursour */
 872     if( mdate() - p_vout->p_sys->i_time_mouse_last_moved > 2000000 )
 873     {
 874         /* Hide the mouse automatically */
 875         if( p_vout->p_sys->b_mouse_pointer_visible )
 876         {
 877             ToggleCursor( p_vout );
 878         }
 879     }
 880
 881     return 0;
 882 }
 883
 884 /*****************************************************************************
 885  * EndVideo: terminate X11 video thread output method
 886  *****************************************************************************
 887  * Destroy the X11 XImages created by Init. It is called at the end of
 888  * the thread, but also each time the window is resized.
 889  *****************************************************************************/
 890 static void EndVideo( vout_thread_t *p_vout )
 891 {
 892     int i_index;
 893
 894     /* Free the direct buffers we allocated */
 895     for( i_index = I_OUTPUTPICTURES ; i_index ; )
 896     {
 897         i_index--;
 898         FreePicture( p_vout, PP_OUTPUTPICTURE[ i_index ] );
 899     }
 900 }
 901
 902 /* following functions are local */
 903
 904 /*****************************************************************************
 905  * CreateWindow: open and set-up X11 main window
 906  *****************************************************************************/
 907 static int CreateWindow( vout_thread_t *p_vout, x11_window_t *p_win )
 908 {
 909     XSizeHints              xsize_hints;
 910     XSetWindowAttributes    xwindow_attributes;
 911     XGCValues               xgcvalues;
 912     XEvent                  xevent;
 913
 914     vlc_bool_t              b_expose = VLC_FALSE;
 915     vlc_bool_t              b_configure_notify = VLC_FALSE;
 916     vlc_bool_t              b_map_notify = VLC_FALSE;
 917
 918     vlc_value_t             val;
 919     long long int           i_drawable;
 920
 921     /* Prepare window manager hints and properties */
 922     xsize_hints.base_width          = p_win->i_width;
 923     xsize_hints.base_height         = p_win->i_height;
 924     xsize_hints.flags               = PSize;
 925     p_win->wm_protocols =
 926              XInternAtom( p_vout->p_sys->p_display, "WM_PROTOCOLS", True );
 927     p_win->wm_delete_window =
 928              XInternAtom( p_vout->p_sys->p_display, "WM_DELETE_WINDOW", True );
 929
 930     /* Prepare window attributes */
 931     xwindow_attributes.backing_store = Always;       /* save the hidden part */
 932     xwindow_attributes.background_pixel = BlackPixel(p_vout->p_sys->p_display,
 933                                                      p_vout->p_sys->i_screen);
 934     xwindow_attributes.event_mask = ExposureMask | StructureNotifyMask;
 935
 936     /* Check whether someone provided us with a window ID */
 937     var_Get( p_vout->p_vlc, "drawable", &val );
 938     i_drawable = p_vout->b_fullscreen ? 0 : val.i_int;
 939
 940     if( !i_drawable )
 941     {
 942         /* Create the window and set hints - the window must receive
 943          * ConfigureNotify events, and until it is displayed, Expose and
 944          * MapNotify events. */
 945
 946         p_win->base_window =
 947             XCreateWindow( p_vout->p_sys->p_display,
 948                            DefaultRootWindow( p_vout->p_sys->p_display ),
 949                            0, 0,
 950                            p_win->i_width, p_win->i_height,
 951                            0,
 952                            0, InputOutput, 0,
 953                            CWBackingStore | CWBackPixel | CWEventMask,
 954                            &xwindow_attributes );
 955
 956         if( !p_vout->b_fullscreen )
 957         {
 958             /* Set window manager hints and properties: size hints, command,
 959              * window's name, and accepted protocols */
 960             XSetWMNormalHints( p_vout->p_sys->p_display,
 961                                p_win->base_window, &xsize_hints );
 962             XSetCommand( p_vout->p_sys->p_display, p_win->base_window,
 963                          p_vout->p_vlc->ppsz_argv, p_vout->p_vlc->i_argc );
 964
 965             XStoreName( p_vout->p_sys->p_display, p_win->base_window,
 966 #ifdef MODULE_NAME_IS_x11
 967                         VOUT_TITLE " (X11 output)"
 968 #else
 969                         VOUT_TITLE " (XVideo output)"
 970 #endif
 971                       );
 972         }
 973     }
 974     else
 975     {
 976         /* Get the parent window's geometry information */
 977         Window dummy1;
 978         unsigned int dummy2, dummy3;
 979         XGetGeometry( p_vout->p_sys->p_display, i_drawable,
 980                       &dummy1, &dummy2, &dummy3,
 981                       &p_win->i_width,
 982                       &p_win->i_height,
 983                       &dummy2, &dummy3 );
 984
 985         /* We are already configured */
 986         b_configure_notify = VLC_TRUE;
 987
 988         /* From man XSelectInput: only one client at a time can select a
 989          * ButtonPress event, so we need to open a new window anyway. */
 990         p_win->base_window =
 991             XCreateWindow( p_vout->p_sys->p_display,
 992                            i_drawable,
 993                            0, 0,
 994                            p_win->i_width, p_win->i_height,
 995                            0,
 996                            0, CopyFromParent, 0,
 997                            CWBackingStore | CWBackPixel | CWEventMask,
 998                            &xwindow_attributes );
 999     }
1000
1001     if( (p_win->wm_protocols == None)        /* use WM_DELETE_WINDOW */
1002         || (p_win->wm_delete_window == None)
1003         || !XSetWMProtocols( p_vout->p_sys->p_display, p_win->base_window,
1004                              &p_win->wm_delete_window, 1 ) )
1005     {
1006         /* WM_DELETE_WINDOW is not supported by window manager */
1007         msg_Warn( p_vout, "missing or bad window manager" );
1008     }
1009
1010     /* Creation of a graphic context that doesn't generate a GraphicsExpose
1011      * event when using functions like XCopyArea */
1012     xgcvalues.graphics_exposures = False;
1013     p_win->gc = XCreateGC( p_vout->p_sys->p_display,
1014                            p_win->base_window,
1015                            GCGraphicsExposures, &xgcvalues );
1016
1017     /* Send orders to server, and wait until window is displayed - three
1018      * events must be received: a MapNotify event, an Expose event allowing
1019      * drawing in the window, and a ConfigureNotify to get the window
1020      * dimensions. Once those events have been received, only
1021      * ConfigureNotify events need to be received. */
1022     XMapWindow( p_vout->p_sys->p_display, p_win->base_window );
1023     do
1024     {
1025         XNextEvent( p_vout->p_sys->p_display, &xevent);
1026         if( (xevent.type == Expose)
1027             && (xevent.xexpose.window == p_win->base_window) )
1028         {
1029             b_expose = VLC_TRUE;
1030         }
1031         else if( (xevent.type == MapNotify)
1032                  && (xevent.xmap.window == p_win->base_window) )
1033         {
1034             b_map_notify = VLC_TRUE;
1035         }
1036         else if( (xevent.type == ConfigureNotify)
1037                  && (xevent.xconfigure.window == p_win->base_window) )
1038         {
1039             b_configure_notify = VLC_TRUE;
1040             p_win->i_width = xevent.xconfigure.width;
1041             p_win->i_height = xevent.xconfigure.height;
1042         }
1043     } while( !( b_expose && b_configure_notify && b_map_notify ) );
1044
1045     XSelectInput( p_vout->p_sys->p_display, p_win->base_window,
1046                   StructureNotifyMask | KeyPressMask |
1047                   ButtonPressMask | ButtonReleaseMask |
1048                   PointerMotionMask );
1049
1050 #ifdef MODULE_NAME_IS_x11
1051     if( XDefaultDepth(p_vout->p_sys->p_display, p_vout->p_sys->i_screen) == 8 )
1052     {
1053         /* Allocate a new palette */
1054         p_vout->p_sys->colormap =
1055             XCreateColormap( p_vout->p_sys->p_display,
1056                              DefaultRootWindow( p_vout->p_sys->p_display ),
1057                              DefaultVisual( p_vout->p_sys->p_display,
1058                                             p_vout->p_sys->i_screen ),
1059                              AllocAll );
1060
1061         xwindow_attributes.colormap = p_vout->p_sys->colormap;
1062         XChangeWindowAttributes( p_vout->p_sys->p_display, p_win->base_window,
1063                                  CWColormap, &xwindow_attributes );
1064     }
1065 #endif
1066
1067     /* Create video output sub-window. */
1068     p_win->video_window =  XCreateSimpleWindow(
1069                                       p_vout->p_sys->p_display,
1070                                       p_win->base_window, 0, 0,
1071                                       p_win->i_width, p_win->i_height,
1072                                       0,
1073                                       BlackPixel( p_vout->p_sys->p_display,
1074                                                   p_vout->p_sys->i_screen ),
1075                                       WhitePixel( p_vout->p_sys->p_display,
1076                                                   p_vout->p_sys->i_screen ) );
1077
1078     XSetWindowBackground( p_vout->p_sys->p_display, p_win->video_window,
1079                           BlackPixel( p_vout->p_sys->p_display,
1080                                       p_vout->p_sys->i_screen ) );
1081
1082     XMapWindow( p_vout->p_sys->p_display, p_win->video_window );
1083     XSelectInput( p_vout->p_sys->p_display, p_win->video_window,
1084                   ExposureMask );
1085
1086     /* make sure the video window will be centered in the next ManageVideo() */
1087     p_vout->i_changes |= VOUT_SIZE_CHANGE;
1088
1089     /* If the cursor was formerly blank than blank it again */
1090     if( !p_vout->p_sys->b_mouse_pointer_visible )
1091     {
1092         ToggleCursor( p_vout );
1093         ToggleCursor( p_vout );
1094     }
1095
1096     /* Do NOT use XFlush here ! */
1097     XSync( p_vout->p_sys->p_display, False );
1098
1099     /* At this stage, the window is open, displayed, and ready to
1100      * receive data */
1101     p_vout->p_sys->p_win = p_win;
1102
1103     return VLC_SUCCESS;
1104 }
1105
1106 /*****************************************************************************
1107  * DestroyWindow: destroy the window
1108  *****************************************************************************
1109  *
1110  *****************************************************************************/
1111 static void DestroyWindow( vout_thread_t *p_vout, x11_window_t *p_win )
1112 {
1113     /* Do NOT use XFlush here ! */
1114     XSync( p_vout->p_sys->p_display, False );
1115
1116     XDestroyWindow( p_vout->p_sys->p_display, p_win->video_window );
1117     XFreeGC( p_vout->p_sys->p_display, p_win->gc );
1118
1119     XUnmapWindow( p_vout->p_sys->p_display, p_win->base_window );
1120     XDestroyWindow( p_vout->p_sys->p_display, p_win->base_window );
1121 }
1122
1123 /*****************************************************************************
1124  * NewPicture: allocate a picture
1125  *****************************************************************************
1126  * Returns 0 on success, -1 otherwise
1127  *****************************************************************************/
1128 static int NewPicture( vout_thread_t *p_vout, picture_t *p_pic )
1129 {
1130     /* We know the chroma, allocate a buffer which will be used
1131      * directly by the decoder */
1132     p_pic->p_sys = malloc( sizeof( picture_sys_t ) );
1133
1134     if( p_pic->p_sys == NULL )
1135     {
1136         return -1;
1137     }
1138
1139 #ifdef HAVE_SYS_SHM_H
1140     if( p_vout->p_sys->b_shm )
1141     {
1142         /* Create image using XShm extension */
1143         p_pic->p_sys->p_image =
1144             CreateShmImage( p_vout, p_vout->p_sys->p_display,
1145 #   ifdef MODULE_NAME_IS_xvideo
1146                             p_vout->p_sys->i_xvport, p_vout->output.i_chroma,
1147 #   else
1148                             p_vout->p_sys->p_visual,
1149                             p_vout->p_sys->i_screen_depth,
1150 #   endif
1151                             &p_pic->p_sys->shminfo,
1152                             p_vout->output.i_width, p_vout->output.i_height );
1153     }
1154     else
1155 #endif /* HAVE_SYS_SHM_H */
1156     {
1157         /* Create image without XShm extension */
1158         p_pic->p_sys->p_image =
1159             CreateImage( p_vout, p_vout->p_sys->p_display,
1160 #ifdef MODULE_NAME_IS_xvideo
1161                          p_vout->p_sys->i_xvport, p_vout->output.i_chroma,
1162 #else
1163                          p_vout->p_sys->p_visual,
1164                          p_vout->p_sys->i_screen_depth,
1165                          p_vout->p_sys->i_bytes_per_pixel,
1166 #endif
1167                          p_vout->output.i_width, p_vout->output.i_height );
1168     }
1169
1170     if( p_pic->p_sys->p_image == NULL )
1171     {
1172         free( p_pic->p_sys );
1173         return -1;
1174     }
1175
1176     switch( p_vout->output.i_chroma )
1177     {
1178 #ifdef MODULE_NAME_IS_xvideo
1179         case VLC_FOURCC('I','4','2','0'):
1180
1181             p_pic->Y_PIXELS = p_pic->p_sys->p_image->data
1182                                + p_pic->p_sys->p_image->offsets[0];
1183             p_pic->p[Y_PLANE].i_lines = p_vout->output.i_height;
1184             p_pic->p[Y_PLANE].i_pitch = p_pic->p_sys->p_image->pitches[0];
1185             p_pic->p[Y_PLANE].i_pixel_pitch = 1;
1186             p_pic->p[Y_PLANE].i_visible_pitch = p_vout->output.i_width;
1187
1188             p_pic->U_PIXELS = p_pic->p_sys->p_image->data
1189                                + p_pic->p_sys->p_image->offsets[1];
1190             p_pic->p[U_PLANE].i_lines = p_vout->output.i_height / 2;
1191             p_pic->p[U_PLANE].i_pitch = p_pic->p_sys->p_image->pitches[1];
1192             p_pic->p[U_PLANE].i_pixel_pitch = 1;
1193             p_pic->p[U_PLANE].i_visible_pitch = p_vout->output.i_width / 2;
1194
1195             p_pic->V_PIXELS = p_pic->p_sys->p_image->data
1196                                + p_pic->p_sys->p_image->offsets[2];
1197             p_pic->p[V_PLANE].i_lines = p_vout->output.i_height / 2;
1198             p_pic->p[V_PLANE].i_pitch = p_pic->p_sys->p_image->pitches[2];
1199             p_pic->p[V_PLANE].i_pixel_pitch = 1;
1200             p_pic->p[V_PLANE].i_visible_pitch = p_vout->output.i_width / 2;
1201
1202             p_pic->i_planes = 3;
1203             break;
1204
1205         case VLC_FOURCC('Y','V','1','2'):
1206
1207             p_pic->Y_PIXELS = p_pic->p_sys->p_image->data
1208                                + p_pic->p_sys->p_image->offsets[0];
1209             p_pic->p[Y_PLANE].i_lines = p_vout->output.i_height;
1210             p_pic->p[Y_PLANE].i_pitch = p_pic->p_sys->p_image->pitches[0];
1211             p_pic->p[Y_PLANE].i_pixel_pitch = 1;
1212             p_pic->p[Y_PLANE].i_visible_pitch = p_pic->p[Y_PLANE].i_pitch;
1213             p_pic->p[Y_PLANE].i_visible_pitch = p_vout->output.i_width;
1214
1215             p_pic->U_PIXELS = p_pic->p_sys->p_image->data
1216                                + p_pic->p_sys->p_image->offsets[2];
1217             p_pic->p[U_PLANE].i_lines = p_vout->output.i_height / 2;
1218             p_pic->p[U_PLANE].i_pitch = p_pic->p_sys->p_image->pitches[2];
1219             p_pic->p[U_PLANE].i_pixel_pitch = 1;
1220             p_pic->p[U_PLANE].i_visible_pitch = p_vout->output.i_width / 2;
1221
1222             p_pic->V_PIXELS = p_pic->p_sys->p_image->data
1223                                + p_pic->p_sys->p_image->offsets[1];
1224             p_pic->p[V_PLANE].i_lines = p_vout->output.i_height / 2;
1225             p_pic->p[V_PLANE].i_pitch = p_pic->p_sys->p_image->pitches[1];
1226             p_pic->p[V_PLANE].i_pixel_pitch = 1;
1227             p_pic->p[V_PLANE].i_visible_pitch = p_vout->output.i_width / 2;
1228
1229             p_pic->i_planes = 3;
1230             break;
1231
1232         case VLC_FOURCC('Y','2','1','1'):
1233
1234             p_pic->p->p_pixels = p_pic->p_sys->p_image->data
1235                                   + p_pic->p_sys->p_image->offsets[0];
1236             p_pic->p->i_lines = p_vout->output.i_height;
1237             /* XXX: this just looks so plain wrong... check it out ! */
1238             p_pic->p->i_pitch = p_pic->p_sys->p_image->pitches[0] / 4;
1239             p_pic->p->i_pixel_pitch = 4;
1240             p_pic->p->i_visible_pitch = p_vout->output.i_width * 4;
1241
1242             p_pic->i_planes = 1;
1243             break;
1244
1245         case VLC_FOURCC('Y','U','Y','2'):
1246         case VLC_FOURCC('U','Y','V','Y'):
1247
1248             p_pic->p->p_pixels = p_pic->p_sys->p_image->data
1249                                   + p_pic->p_sys->p_image->offsets[0];
1250             p_pic->p->i_lines = p_vout->output.i_height;
1251             p_pic->p->i_pitch = p_pic->p_sys->p_image->pitches[0];
1252             p_pic->p->i_pixel_pitch = 4;
1253             p_pic->p->i_visible_pitch = p_vout->output.i_width * 4;
1254
1255             p_pic->i_planes = 1;
1256             break;
1257
1258         case VLC_FOURCC('R','V','1','5'):
1259
1260             p_pic->p->p_pixels = p_pic->p_sys->p_image->data
1261                                   + p_pic->p_sys->p_image->offsets[0];
1262             p_pic->p->i_lines = p_vout->output.i_height;
1263             p_pic->p->i_pitch = p_pic->p_sys->p_image->pitches[0];
1264             p_pic->p->i_pixel_pitch = 2;
1265             p_pic->p->i_visible_pitch = p_vout->output.i_width * 2;
1266
1267             p_pic->i_planes = 1;
1268             break;
1269
1270         case VLC_FOURCC('R','V','1','6'):
1271
1272             p_pic->p->p_pixels = p_pic->p_sys->p_image->data
1273                                   + p_pic->p_sys->p_image->offsets[0];
1274             p_pic->p->i_lines = p_vout->output.i_height;
1275             p_pic->p->i_pitch = p_pic->p_sys->p_image->pitches[0];
1276             p_pic->p->i_pixel_pitch = 2;
1277             p_pic->p->i_visible_pitch = p_vout->output.i_width * 2;
1278
1279             p_pic->i_planes = 1;
1280             break;
1281
1282 #else
1283         case VLC_FOURCC('R','G','B','2'):
1284
1285             p_pic->p->p_pixels = p_pic->p_sys->p_image->data
1286                                   + p_pic->p_sys->p_image->xoffset;
1287             p_pic->p->i_lines = p_pic->p_sys->p_image->height;
1288             p_pic->p->i_pitch = p_pic->p_sys->p_image->bytes_per_line;
1289             p_pic->p->i_pixel_pitch = p_pic->p_sys->p_image->depth;
1290             p_pic->p->i_visible_pitch = p_pic->p_sys->p_image->width;
1291
1292             p_pic->i_planes = 1;
1293
1294             break;
1295
1296         case VLC_FOURCC('R','V','1','6'):
1297         case VLC_FOURCC('R','V','1','5'):
1298
1299             p_pic->p->p_pixels = p_pic->p_sys->p_image->data
1300                                   + p_pic->p_sys->p_image->xoffset;
1301             p_pic->p->i_lines = p_pic->p_sys->p_image->height;
1302             p_pic->p->i_pitch = p_pic->p_sys->p_image->bytes_per_line;
1303             p_pic->p->i_pixel_pitch = p_pic->p_sys->p_image->depth;
1304             p_pic->p->i_visible_pitch = 2 * p_pic->p_sys->p_image->width;
1305
1306             p_pic->i_planes = 1;
1307
1308             break;
1309
1310         case VLC_FOURCC('R','V','3','2'):
1311         case VLC_FOURCC('R','V','2','4'):
1312
1313             p_pic->p->p_pixels = p_pic->p_sys->p_image->data
1314                                   + p_pic->p_sys->p_image->xoffset;
1315             p_pic->p->i_lines = p_pic->p_sys->p_image->height;
1316             p_pic->p->i_pitch = p_pic->p_sys->p_image->bytes_per_line;
1317             p_pic->p->i_pixel_pitch = p_pic->p_sys->p_image->depth;
1318             p_pic->p->i_visible_pitch = 4 * p_pic->p_sys->p_image->width;
1319
1320             p_pic->i_planes = 1;
1321
1322             break;
1323 #endif
1324
1325         default:
1326             /* Unknown chroma, tell the guy to get lost */
1327             IMAGE_FREE( p_pic->p_sys->p_image );
1328             free( p_pic->p_sys );
1329             msg_Err( p_vout, "never heard of chroma 0x%.8x (%4.4s)",
1330                      p_vout->output.i_chroma, (char*)&p_vout->output.i_chroma );
1331             p_pic->i_planes = 0;
1332             return -1;
1333     }
1334
1335     return 0;
1336 }
1337
1338 /*****************************************************************************
1339  * FreePicture: destroy a picture allocated with NewPicture
1340  *****************************************************************************
1341  * Destroy XImage AND associated data. If using Shm, detach shared memory
1342  * segment from server and process, then free it. The XDestroyImage manpage
1343  * says that both the image structure _and_ the data pointed to by the
1344  * image structure are freed, so no need to free p_image->data.
1345  *****************************************************************************/
1346 static void FreePicture( vout_thread_t *p_vout, picture_t *p_pic )
1347 {
1348     /* The order of operations is correct */
1349 #ifdef HAVE_SYS_SHM_H
1350     if( p_vout->p_sys->b_shm )
1351     {
1352         XShmDetach( p_vout->p_sys->p_display, &p_pic->p_sys->shminfo );
1353         IMAGE_FREE( p_pic->p_sys->p_image );
1354
1355         shmctl( p_pic->p_sys->shminfo.shmid, IPC_RMID, 0 );
1356         if( shmdt( p_pic->p_sys->shminfo.shmaddr ) )
1357         {
1358             msg_Err( p_vout, "cannot detach shared memory (%s)",
1359                              strerror(errno) );
1360         }
1361     }
1362     else
1363 #endif
1364     {
1365         IMAGE_FREE( p_pic->p_sys->p_image );
1366     }
1367
1368     /* Do NOT use XFlush here ! */
1369     XSync( p_vout->p_sys->p_display, False );
1370
1371     free( p_pic->p_sys );
1372 }
1373
1374 /*****************************************************************************
1375  * ToggleFullScreen: Enable or disable full screen mode
1376  *****************************************************************************
1377  * This function will switch between fullscreen and window mode.
1378  *****************************************************************************/
1379 static void ToggleFullScreen ( vout_thread_t *p_vout )
1380 {
1381     Atom prop;
1382     XEvent xevent;
1383     mwmhints_t mwmhints;
1384     XSetWindowAttributes attributes;
1385
1386 #ifdef HAVE_XINERAMA
1387     int i_d1, i_d2;
1388 #endif
1389
1390     p_vout->b_fullscreen = !p_vout->b_fullscreen;
1391
1392     if( p_vout->b_fullscreen )
1393     {
1394         msg_Dbg( p_vout, "entering fullscreen mode" );
1395
1396         p_vout->p_sys->b_altfullscreen =
1397             config_GetInt( p_vout, MODULE_STRING "-altfullscreen" );
1398
1399         XUnmapWindow( p_vout->p_sys->p_display,
1400                       p_vout->p_sys->p_win->base_window);
1401
1402         p_vout->p_sys->p_win = &p_vout->p_sys->fullscreen_window;
1403
1404         /* fullscreen window size and position */
1405         p_vout->p_sys->p_win->i_width =
1406             DisplayWidth( p_vout->p_sys->p_display, p_vout->p_sys->i_screen );
1407         p_vout->p_sys->p_win->i_height =
1408             DisplayHeight( p_vout->p_sys->p_display, p_vout->p_sys->i_screen );
1409
1410         CreateWindow( p_vout, p_vout->p_sys->p_win );
1411
1412         /* To my knowledge there are two ways to create a borderless window.
1413          * There's the generic way which is to tell x to bypass the window
1414          * manager, but this creates problems with the focus of other
1415          * applications.
1416          * The other way is to use the motif property "_MOTIF_WM_HINTS" which
1417          * luckily seems to be supported by most window managers. */
1418         if( !p_vout->p_sys->b_altfullscreen )
1419         {
1420             mwmhints.flags = MWM_HINTS_DECORATIONS;
1421             mwmhints.decorations = False;
1422
1423             prop = XInternAtom( p_vout->p_sys->p_display, "_MOTIF_WM_HINTS",
1424                                 False );
1425             XChangeProperty( p_vout->p_sys->p_display,
1426                              p_vout->p_sys->p_win->base_window,
1427                              prop, prop, 32, PropModeReplace,
1428                              (unsigned char *)&mwmhints,
1429                              PROP_MWM_HINTS_ELEMENTS );
1430         }
1431         else
1432         {
1433             /* brute force way to remove decorations */
1434             attributes.override_redirect = True;
1435             XChangeWindowAttributes( p_vout->p_sys->p_display,
1436                                      p_vout->p_sys->p_win->base_window,
1437                                      CWOverrideRedirect,
1438                                      &attributes);
1439         }
1440
1441         /* Make sure the change is effective */
1442         XReparentWindow( p_vout->p_sys->p_display,
1443                          p_vout->p_sys->p_win->base_window,
1444                          DefaultRootWindow( p_vout->p_sys->p_display ),
1445                          0, 0 );
1446
1447         /* fullscreen window size and position */
1448         p_vout->p_sys->p_win->i_width =
1449             DisplayWidth( p_vout->p_sys->p_display, p_vout->p_sys->i_screen );
1450         p_vout->p_sys->p_win->i_height =
1451             DisplayHeight( p_vout->p_sys->p_display, p_vout->p_sys->i_screen );
1452
1453         p_vout->p_sys->p_win->i_x = 0;
1454         p_vout->p_sys->p_win->i_y = 0;
1455
1456 #ifdef HAVE_XINERAMA
1457         if( XineramaQueryExtension( p_vout->p_sys->p_display, &i_d1, &i_d2 ) &&
1458             XineramaIsActive( p_vout->p_sys->p_display ) )
1459         {
1460             XineramaScreenInfo *screens;   /* infos for xinerama */
1461             int i_num_screens;
1462
1463             msg_Dbg( p_vout, "Using XFree Xinerama extension");
1464
1465 #define SCREEN p_vout->p_sys->p_win->i_screen
1466
1467             /* Get Informations about Xinerama (num of screens) */
1468             screens = XineramaQueryScreens( p_vout->p_sys->p_display,
1469                                             &i_num_screens );
1470
1471             if( !SCREEN )
1472                 SCREEN = config_GetInt( p_vout,
1473                                         MODULE_STRING "-xineramascreen" );
1474
1475             /* just check that user has entered a good value */
1476             if( SCREEN >= i_num_screens || SCREEN < 0 )
1477             {
1478                 msg_Dbg( p_vout, "requested screen number invalid" );
1479                 SCREEN = 0;
1480             }
1481
1482             /* Get the X/Y upper left corner coordinate of the above screen */
1483             p_vout->p_sys->p_win->i_x = screens[SCREEN].x_org;
1484             p_vout->p_sys->p_win->i_y = screens[SCREEN].y_org;
1485
1486             /* Set the Height/width to the screen resolution */
1487             p_vout->p_sys->p_win->i_width = screens[SCREEN].width;
1488             p_vout->p_sys->p_win->i_height = screens[SCREEN].height;
1489
1490             XFree(screens);
1491
1492 #undef SCREEN
1493
1494         }
1495 #endif
1496
1497         XMoveResizeWindow( p_vout->p_sys->p_display,
1498                            p_vout->p_sys->p_win->base_window,
1499                            p_vout->p_sys->p_win->i_x,
1500                            p_vout->p_sys->p_win->i_y,
1501                            p_vout->p_sys->p_win->i_width,
1502                            p_vout->p_sys->p_win->i_height );
1503     }
1504     else
1505     {
1506         msg_Dbg( p_vout, "leaving fullscreen mode" );
1507         DestroyWindow( p_vout, &p_vout->p_sys->fullscreen_window );
1508         p_vout->p_sys->p_win = &p_vout->p_sys->original_window;
1509
1510         XMapWindow( p_vout->p_sys->p_display,
1511                     p_vout->p_sys->p_win->base_window);
1512     }
1513
1514     /* Unfortunately, using XSync() here is not enough to ensure the
1515      * window has already been mapped because the XMapWindow() request
1516      * has not necessarily been sent directly to our window (remember,
1517      * the call is first redirected to the window manager) */
1518     do
1519     {
1520         XWindowEvent( p_vout->p_sys->p_display,
1521                       p_vout->p_sys->p_win->base_window,
1522                       StructureNotifyMask, &xevent );
1523     } while( xevent.type != MapNotify );
1524
1525     /* Be careful, this can generate a BadMatch error if the window is not
1526      * already mapped by the server (see above) */
1527     XSetInputFocus(p_vout->p_sys->p_display,
1528                    p_vout->p_sys->p_win->base_window,
1529                    RevertToParent,
1530                    CurrentTime);
1531
1532     /* signal that the size needs to be updated */
1533     p_vout->i_changes |= VOUT_SIZE_CHANGE;
1534 }
1535
1536 /*****************************************************************************
1537  * EnableXScreenSaver: enable screen saver
1538  *****************************************************************************
1539  * This function enables the screen saver on a display after it has been
1540  * disabled by XDisableScreenSaver.
1541  * FIXME: what happens if multiple vlc sessions are running at the same
1542  *        time ???
1543  *****************************************************************************/
1544 static void EnableXScreenSaver( vout_thread_t *p_vout )
1545 {
1546 #ifdef DPMSINFO_IN_DPMS_H
1547     int dummy;
1548 #endif
1549
1550     if( p_vout->p_sys->i_ss_timeout )
1551     {
1552         XSetScreenSaver( p_vout->p_sys->p_display, p_vout->p_sys->i_ss_timeout,
1553                          p_vout->p_sys->i_ss_interval,
1554                          p_vout->p_sys->i_ss_blanking,
1555                          p_vout->p_sys->i_ss_exposure );
1556     }
1557
1558     /* Restore DPMS settings */
1559 #ifdef DPMSINFO_IN_DPMS_H
1560     if( DPMSQueryExtension( p_vout->p_sys->p_display, &dummy, &dummy ) )
1561     {
1562         if( p_vout->p_sys->b_ss_dpms )
1563         {
1564             DPMSEnable( p_vout->p_sys->p_display );
1565         }
1566     }
1567 #endif
1568 }
1569
1570 /*****************************************************************************
1571  * DisableXScreenSaver: disable screen saver
1572  *****************************************************************************
1573  * See XEnableXScreenSaver
1574  *****************************************************************************/
1575 static void DisableXScreenSaver( vout_thread_t *p_vout )
1576 {
1577 #ifdef DPMSINFO_IN_DPMS_H
1578     int dummy;
1579 #endif
1580
1581     /* Save screen saver informations */
1582     XGetScreenSaver( p_vout->p_sys->p_display, &p_vout->p_sys->i_ss_timeout,
1583                      &p_vout->p_sys->i_ss_interval,
1584                      &p_vout->p_sys->i_ss_blanking,
1585                      &p_vout->p_sys->i_ss_exposure );
1586
1587     /* Disable screen saver */
1588     if( p_vout->p_sys->i_ss_timeout )
1589     {
1590         XSetScreenSaver( p_vout->p_sys->p_display, 0,
1591                          p_vout->p_sys->i_ss_interval,
1592                          p_vout->p_sys->i_ss_blanking,
1593                          p_vout->p_sys->i_ss_exposure );
1594     }
1595
1596     /* Disable DPMS */
1597 #ifdef DPMSINFO_IN_DPMS_H
1598     if( DPMSQueryExtension( p_vout->p_sys->p_display, &dummy, &dummy ) )
1599     {
1600         CARD16 unused;
1601         /* Save DPMS current state */
1602         DPMSInfo( p_vout->p_sys->p_display, &unused,
1603                   &p_vout->p_sys->b_ss_dpms );
1604         DPMSDisable( p_vout->p_sys->p_display );
1605    }
1606 #endif
1607 }
1608
1609 /*****************************************************************************
1610  * CreateCursor: create a blank mouse pointer
1611  *****************************************************************************/
1612 static void CreateCursor( vout_thread_t *p_vout )
1613 {
1614     XColor cursor_color;
1615
1616     p_vout->p_sys->cursor_pixmap =
1617         XCreatePixmap( p_vout->p_sys->p_display,
1618                        DefaultRootWindow( p_vout->p_sys->p_display ),
1619                        1, 1, 1 );
1620
1621     XParseColor( p_vout->p_sys->p_display,
1622                  XCreateColormap( p_vout->p_sys->p_display,
1623                                   DefaultRootWindow(
1624                                                     p_vout->p_sys->p_display ),
1625                                   DefaultVisual(
1626                                                 p_vout->p_sys->p_display,
1627                                                 p_vout->p_sys->i_screen ),
1628                                   AllocNone ),
1629                  "black", &cursor_color );
1630
1631     p_vout->p_sys->blank_cursor =
1632         XCreatePixmapCursor( p_vout->p_sys->p_display,
1633                              p_vout->p_sys->cursor_pixmap,
1634                              p_vout->p_sys->cursor_pixmap,
1635                              &cursor_color, &cursor_color, 1, 1 );
1636 }
1637
1638 /*****************************************************************************
1639  * DestroyCursor: destroy the blank mouse pointer
1640  *****************************************************************************/
1641 static void DestroyCursor( vout_thread_t *p_vout )
1642 {
1643     XFreePixmap( p_vout->p_sys->p_display, p_vout->p_sys->cursor_pixmap );
1644 }
1645
1646 /*****************************************************************************
1647  * ToggleCursor: hide or show the mouse pointer
1648  *****************************************************************************
1649  * This function hides the X pointer if it is visible by setting the pointer
1650  * sprite to a blank one. To show it again, we disable the sprite.
1651  *****************************************************************************/
1652 static void ToggleCursor( vout_thread_t *p_vout )
1653 {
1654     if( p_vout->p_sys->b_mouse_pointer_visible )
1655     {
1656         XDefineCursor( p_vout->p_sys->p_display,
1657                        p_vout->p_sys->p_win->base_window,
1658                        p_vout->p_sys->blank_cursor );
1659         p_vout->p_sys->b_mouse_pointer_visible = 0;
1660     }
1661     else
1662     {
1663         XUndefineCursor( p_vout->p_sys->p_display,
1664                          p_vout->p_sys->p_win->base_window );
1665         p_vout->p_sys->b_mouse_pointer_visible = 1;
1666     }
1667 }
1668
1669 #ifdef MODULE_NAME_IS_xvideo
1670 /*****************************************************************************
1671  * XVideoGetPort: get YUV12 port
1672  *****************************************************************************/
1673 static int XVideoGetPort( vout_thread_t *p_vout,
1674                           vlc_fourcc_t i_chroma, vlc_fourcc_t *pi_newchroma )
1675 {
1676     XvAdaptorInfo *p_adaptor;
1677     unsigned int i;
1678     int i_adaptor, i_num_adaptors, i_requested_adaptor;
1679     int i_selected_port;
1680
1681     switch( XvQueryExtension( p_vout->p_sys->p_display, &i, &i, &i, &i, &i ) )
1682     {
1683         case Success:
1684             break;
1685
1686         case XvBadExtension:
1687             msg_Warn( p_vout, "XvBadExtension" );
1688             return -1;
1689
1690         case XvBadAlloc:
1691             msg_Warn( p_vout, "XvBadAlloc" );
1692             return -1;
1693
1694         default:
1695             msg_Warn( p_vout, "XvQueryExtension failed" );
1696             return -1;
1697     }
1698
1699     switch( XvQueryAdaptors( p_vout->p_sys->p_display,
1700                              DefaultRootWindow( p_vout->p_sys->p_display ),
1701                              &i_num_adaptors, &p_adaptor ) )
1702     {
1703         case Success:
1704             break;
1705
1706         case XvBadExtension:
1707             msg_Warn( p_vout, "XvBadExtension for XvQueryAdaptors" );
1708             return -1;
1709
1710         case XvBadAlloc:
1711             msg_Warn( p_vout, "XvBadAlloc for XvQueryAdaptors" );
1712             return -1;
1713
1714         default:
1715             msg_Warn( p_vout, "XvQueryAdaptors failed" );
1716             return -1;
1717     }
1718
1719     i_selected_port = -1;
1720     i_requested_adaptor = config_GetInt( p_vout, "xvideo-adaptor" );
1721
1722     for( i_adaptor = 0; i_adaptor < i_num_adaptors; ++i_adaptor )
1723     {
1724         XvImageFormatValues *p_formats;
1725         int i_format, i_num_formats;
1726         int i_port;
1727
1728         /* If we requested an adaptor and it's not this one, we aren't
1729          * interested */
1730         if( i_requested_adaptor != -1 && i_adaptor != i_requested_adaptor )
1731         {
1732             continue;
1733         }
1734
1735         /* If the adaptor doesn't have the required properties, skip it */
1736         if( !( p_adaptor[ i_adaptor ].type & XvInputMask ) ||
1737             !( p_adaptor[ i_adaptor ].type & XvImageMask ) )
1738         {
1739             continue;
1740         }
1741
1742         /* Check that adaptor supports our requested format... */
1743         p_formats = XvListImageFormats( p_vout->p_sys->p_display,
1744                                         p_adaptor[i_adaptor].base_id,
1745                                         &i_num_formats );
1746
1747         for( i_format = 0;
1748              i_format < i_num_formats && ( i_selected_port == -1 );
1749              i_format++ )
1750         {
1751             /* Code removed, we can get this through xvinfo anyway */
1752 #if 0
1753             XvEncodingInfo  *p_enc;
1754             int             i_enc, i_num_encodings;
1755             XvAttribute     *p_attr;
1756             int             i_attr, i_num_attributes;
1757 #endif
1758
1759             /* If this is not the format we want, or at least a
1760              * similar one, forget it */
1761             if( !vout_ChromaCmp( p_formats[ i_format ].id, i_chroma ) )
1762             {
1763                 continue;
1764             }
1765
1766             /* Look for the first available port supporting this format */
1767             for( i_port = p_adaptor[i_adaptor].base_id;
1768                  ( i_port < (int)(p_adaptor[i_adaptor].base_id
1769                                    + p_adaptor[i_adaptor].num_ports) )
1770                    && ( i_selected_port == -1 );
1771                  i_port++ )
1772             {
1773                 if( XvGrabPort( p_vout->p_sys->p_display, i_port, CurrentTime )
1774                      == Success )
1775                 {
1776                     i_selected_port = i_port;
1777                     *pi_newchroma = p_formats[ i_format ].id;
1778                 }
1779             }
1780
1781             /* If no free port was found, forget it */
1782             if( i_selected_port == -1 )
1783             {
1784                 continue;
1785             }
1786
1787             /* If we found a port, print information about it */
1788             msg_Dbg( p_vout, "adaptor %i, port %i, format 0x%x (%4.4s) %s",
1789                      i_adaptor, i_selected_port, p_formats[ i_format ].id,
1790                      (char *)&p_formats[ i_format ].id,
1791                      ( p_formats[ i_format ].format == XvPacked ) ?
1792                          "packed" : "planar" );
1793
1794 #if 0
1795             msg_Dbg( p_vout, " encoding list:" );
1796
1797             if( XvQueryEncodings( p_vout->p_sys->p_display, i_selected_port,
1798                                   &i_num_encodings, &p_enc )
1799                  != Success )
1800             {
1801                 msg_Dbg( p_vout, "  XvQueryEncodings failed" );
1802                 continue;
1803             }
1804
1805             for( i_enc = 0; i_enc < i_num_encodings; i_enc++ )
1806             {
1807                 msg_Dbg( p_vout, "  id=%ld, name=%s, size=%ldx%ld,"
1808                                       " numerator=%d, denominator=%d",
1809                              p_enc[i_enc].encoding_id, p_enc[i_enc].name,
1810                              p_enc[i_enc].width, p_enc[i_enc].height,
1811                              p_enc[i_enc].rate.numerator,
1812                              p_enc[i_enc].rate.denominator );
1813             }
1814
1815             if( p_enc != NULL )
1816             {
1817                 XvFreeEncodingInfo( p_enc );
1818             }
1819
1820             msg_Dbg( p_vout, " attribute list:" );
1821             p_attr = XvQueryPortAttributes( p_vout->p_sys->p_display,
1822                                             i_selected_port,
1823                                             &i_num_attributes );
1824             for( i_attr = 0; i_attr < i_num_attributes; i_attr++ )
1825             {
1826                 msg_Dbg( p_vout, "  name=%s, flags=[%s%s ], min=%i, max=%i",
1827                       p_attr[i_attr].name,
1828                       (p_attr[i_attr].flags & XvGettable) ? " get" : "",
1829                       (p_attr[i_attr].flags & XvSettable) ? " set" : "",
1830                       p_attr[i_attr].min_value, p_attr[i_attr].max_value );
1831             }
1832
1833             if( p_attr != NULL )
1834             {
1835                 XFree( p_attr );
1836             }
1837 #endif
1838         }
1839
1840         if( p_formats != NULL )
1841         {
1842             XFree( p_formats );
1843         }
1844
1845     }
1846
1847     if( i_num_adaptors > 0 )
1848     {
1849         XvFreeAdaptorInfo( p_adaptor );
1850     }
1851
1852     if( i_selected_port == -1 )
1853     {
1854         int i_chroma_tmp = X112VLC_FOURCC( i_chroma );
1855         if( i_requested_adaptor == -1 )
1856         {
1857             msg_Warn( p_vout, "no free XVideo port found for format "
1858                       "0x%.8x (%4.4s)", i_chroma_tmp, (char*)&i_chroma_tmp );
1859         }
1860         else
1861         {
1862             msg_Warn( p_vout, "XVideo adaptor %i does not have a free "
1863                       "XVideo port for format 0x%.8x (%4.4s)",
1864                       i_requested_adaptor, i_chroma_tmp, (char*)&i_chroma_tmp );
1865         }
1866     }
1867
1868     return i_selected_port;
1869 }
1870
1871 /*****************************************************************************
1872  * XVideoReleasePort: release YUV12 port
1873  *****************************************************************************/
1874 static void XVideoReleasePort( vout_thread_t *p_vout, int i_port )
1875 {
1876     XvUngrabPort( p_vout->p_sys->p_display, i_port, CurrentTime );
1877 }
1878 #endif
1879
1880 /*****************************************************************************
1881  * InitDisplay: open and initialize X11 device
1882  *****************************************************************************
1883  * Create a window according to video output given size, and set other
1884  * properties according to the display properties.
1885  *****************************************************************************/
1886 static int InitDisplay( vout_thread_t *p_vout )
1887 {
1888 #ifdef MODULE_NAME_IS_x11
1889     XPixmapFormatValues *       p_formats;                 /* pixmap formats */
1890     XVisualInfo *               p_xvisual;           /* visuals informations */
1891     XVisualInfo                 xvisual_template;         /* visual template */
1892     int                         i_count;                       /* array size */
1893 #endif
1894
1895 #ifdef HAVE_SYS_SHM_H
1896     p_vout->p_sys->b_shm = 0;
1897
1898     if( config_GetInt( p_vout, MODULE_STRING "-shm" ) )
1899     {
1900 #   ifdef SYS_DARWIN
1901         /* FIXME: As of 2001-03-16, XFree4 for MacOS X does not support Xshm */
1902 #   else
1903         p_vout->p_sys->b_shm =
1904                   ( XShmQueryExtension( p_vout->p_sys->p_display ) == True );
1905 #   endif
1906
1907         if( !p_vout->p_sys->b_shm )
1908         {
1909             msg_Warn( p_vout, "XShm video extension is unavailable" );
1910         }
1911     }
1912     else
1913     {
1914         msg_Dbg( p_vout, "disabling XShm video extension" );
1915     }
1916
1917 #else
1918     msg_Warn( p_vout, "XShm video extension is unavailable" );
1919
1920 #endif
1921
1922 #ifdef MODULE_NAME_IS_xvideo
1923     /* XXX The brightness and contrast values should be read from environment
1924      * XXX variables... */
1925 #if 0
1926     XVideoSetAttribute( p_vout, "XV_BRIGHTNESS", 0.5 );
1927     XVideoSetAttribute( p_vout, "XV_CONTRAST",   0.5 );
1928 #endif
1929 #endif
1930
1931 #ifdef MODULE_NAME_IS_x11
1932     /* Initialize structure */
1933     p_vout->p_sys->i_screen = DefaultScreen( p_vout->p_sys->p_display );
1934
1935     /* Get screen depth */
1936     p_vout->p_sys->i_screen_depth = XDefaultDepth( p_vout->p_sys->p_display,
1937                                                    p_vout->p_sys->i_screen );
1938     switch( p_vout->p_sys->i_screen_depth )
1939     {
1940     case 8:
1941         /*
1942          * Screen depth is 8bpp. Use PseudoColor visual with private colormap.
1943          */
1944         xvisual_template.screen =   p_vout->p_sys->i_screen;
1945         xvisual_template.class =    DirectColor;
1946         p_xvisual = XGetVisualInfo( p_vout->p_sys->p_display,
1947                                     VisualScreenMask | VisualClassMask,
1948                                     &xvisual_template, &i_count );
1949         if( p_xvisual == NULL )
1950         {
1951             msg_Err( p_vout, "no PseudoColor visual available" );
1952             return VLC_EGENERIC;
1953         }
1954         p_vout->p_sys->i_bytes_per_pixel = 1;
1955         p_vout->output.pf_setpalette = SetPalette;
1956         break;
1957     case 15:
1958     case 16:
1959     case 24:
1960     default:
1961         /*
1962          * Screen depth is higher than 8bpp. TrueColor visual is used.
1963          */
1964         xvisual_template.screen =   p_vout->p_sys->i_screen;
1965         xvisual_template.class =    TrueColor;
1966         p_xvisual = XGetVisualInfo( p_vout->p_sys->p_display,
1967                                     VisualScreenMask | VisualClassMask,
1968                                     &xvisual_template, &i_count );
1969         if( p_xvisual == NULL )
1970         {
1971             msg_Err( p_vout, "no TrueColor visual available" );
1972             return VLC_EGENERIC;
1973         }
1974
1975         p_vout->output.i_rmask = p_xvisual->red_mask;
1976         p_vout->output.i_gmask = p_xvisual->green_mask;
1977         p_vout->output.i_bmask = p_xvisual->blue_mask;
1978
1979         /* There is no difference yet between 3 and 4 Bpp. The only way
1980          * to find the actual number of bytes per pixel is to list supported
1981          * pixmap formats. */
1982         p_formats = XListPixmapFormats( p_vout->p_sys->p_display, &i_count );
1983         p_vout->p_sys->i_bytes_per_pixel = 0;
1984
1985         for( ; i_count-- ; p_formats++ )
1986         {
1987             /* Under XFree4.0, the list contains pixmap formats available
1988              * through all video depths ; so we have to check against current
1989              * depth. */
1990             if( p_formats->depth == (int)p_vout->p_sys->i_screen_depth )
1991             {
1992                 if( p_formats->bits_per_pixel / 8
1993                         > (int)p_vout->p_sys->i_bytes_per_pixel )
1994                 {
1995                     p_vout->p_sys->i_bytes_per_pixel =
1996                                                p_formats->bits_per_pixel / 8;
1997                 }
1998             }
1999         }
2000         break;
2001     }
2002     p_vout->p_sys->p_visual = p_xvisual->visual;
2003     XFree( p_xvisual );
2004 #endif
2005
2006     return VLC_SUCCESS;
2007 }
2008
2009 #ifdef HAVE_SYS_SHM_H
2010 /*****************************************************************************
2011  * CreateShmImage: create an XImage or XvImage using shared memory extension
2012  *****************************************************************************
2013  * Prepare an XImage or XvImage for display function.
2014  * The order of the operations respects the recommandations of the mit-shm
2015  * document by J.Corbet and K.Packard. Most of the parameters were copied from
2016  * there. See http://ftp.xfree86.org/pub/XFree86/4.0/doc/mit-shm.TXT
2017  *****************************************************************************/
2018 static IMAGE_TYPE * CreateShmImage( vout_thread_t *p_vout,
2019                                     Display* p_display, EXTRA_ARGS_SHM,
2020                                     int i_width, int i_height )
2021 {
2022     IMAGE_TYPE *p_image;
2023
2024     /* Create XImage / XvImage */
2025 #ifdef MODULE_NAME_IS_xvideo
2026     p_image = XvShmCreateImage( p_display, i_xvport, i_chroma, 0,
2027                                 i_width, i_height, p_shm );
2028 #else
2029     p_image = XShmCreateImage( p_display, p_visual, i_depth, ZPixmap, 0,
2030                                p_shm, i_width, i_height );
2031 #endif
2032     if( p_image == NULL )
2033     {
2034         msg_Err( p_vout, "image creation failed" );
2035         return NULL;
2036     }
2037
2038     /* Allocate shared memory segment - 0776 set the access permission
2039      * rights (like umask), they are not yet supported by all X servers */
2040     p_shm->shmid = shmget( IPC_PRIVATE, DATA_SIZE(p_image), IPC_CREAT | 0776 );
2041     if( p_shm->shmid < 0 )
2042     {
2043         msg_Err( p_vout, "cannot allocate shared image data (%s)",
2044                          strerror( errno ) );
2045         IMAGE_FREE( p_image );
2046         return NULL;
2047     }
2048
2049     /* Attach shared memory segment to process (read/write) */
2050     p_shm->shmaddr = p_image->data = shmat( p_shm->shmid, 0, 0 );
2051     if(! p_shm->shmaddr )
2052     {
2053         msg_Err( p_vout, "cannot attach shared memory (%s)",
2054                          strerror(errno));
2055         IMAGE_FREE( p_image );
2056         shmctl( p_shm->shmid, IPC_RMID, 0 );
2057         return NULL;
2058     }
2059
2060     /* Read-only data. We won't be using XShmGetImage */
2061     p_shm->readOnly = True;
2062
2063     /* Attach shared memory segment to X server */
2064     if( XShmAttach( p_display, p_shm ) == False )
2065     {
2066         msg_Err( p_vout, "cannot attach shared memory to X server" );
2067         IMAGE_FREE( p_image );
2068         shmctl( p_shm->shmid, IPC_RMID, 0 );
2069         shmdt( p_shm->shmaddr );
2070         return NULL;
2071     }
2072
2073     /* Send image to X server. This instruction is required, since having
2074      * built a Shm XImage and not using it causes an error on XCloseDisplay,
2075      * and remember NOT to use XFlush ! */
2076     XSync( p_display, False );
2077
2078 #if 0
2079     /* Mark the shm segment to be removed when there are no more
2080      * attachements, so it is automatic on process exit or after shmdt */
2081     shmctl( p_shm->shmid, IPC_RMID, 0 );
2082 #endif
2083
2084     return p_image;
2085 }
2086 #endif
2087
2088 /*****************************************************************************
2089  * CreateImage: create an XImage or XvImage
2090  *****************************************************************************
2091  * Create a simple image used as a buffer.
2092  *****************************************************************************/
2093 static IMAGE_TYPE * CreateImage( vout_thread_t *p_vout,
2094                                  Display *p_display, EXTRA_ARGS,
2095                                  int i_width, int i_height )
2096 {
2097     byte_t *    p_data;                           /* image data storage zone */
2098     IMAGE_TYPE *p_image;
2099 #ifdef MODULE_NAME_IS_x11
2100     int         i_quantum;                     /* XImage quantum (see below) */
2101     int         i_bytes_per_line;
2102 #endif
2103
2104     /* Allocate memory for image */
2105 #ifdef MODULE_NAME_IS_xvideo
2106     p_data = (byte_t *) malloc( i_width * i_height * 2 ); /* XXX */
2107 #else
2108     i_bytes_per_line = i_width * i_bytes_per_pixel;
2109     p_data = (byte_t *) malloc( i_bytes_per_line * i_height );
2110 #endif
2111     if( !p_data )
2112     {
2113         msg_Err( p_vout, "out of memory" );
2114         return NULL;
2115     }
2116
2117 #ifdef MODULE_NAME_IS_x11
2118     /* Optimize the quantum of a scanline regarding its size - the quantum is
2119        a diviser of the number of bits between the start of two scanlines. */
2120     if( i_bytes_per_line & 0xf )
2121     {
2122         i_quantum = 0x8;
2123     }
2124     else if( i_bytes_per_line & 0x10 )
2125     {
2126         i_quantum = 0x10;
2127     }
2128     else
2129     {
2130         i_quantum = 0x20;
2131     }
2132 #endif
2133
2134     /* Create XImage. p_data will be automatically freed */
2135 #ifdef MODULE_NAME_IS_xvideo
2136     p_image = XvCreateImage( p_display, i_xvport, i_chroma,
2137                              p_data, i_width, i_height );
2138 #else
2139     p_image = XCreateImage( p_display, p_visual, i_depth, ZPixmap, 0,
2140                             p_data, i_width, i_height, i_quantum, 0 );
2141 #endif
2142     if( p_image == NULL )
2143     {
2144         msg_Err( p_vout, "XCreateImage() failed" );
2145         free( p_data );
2146         return NULL;
2147     }
2148
2149     return p_image;
2150 }
2151
2152 #ifdef MODULE_NAME_IS_x11
2153 /*****************************************************************************
2154  * SetPalette: sets an 8 bpp palette
2155  *****************************************************************************
2156  * This function sets the palette given as an argument. It does not return
2157  * anything, but could later send information on which colors it was unable
2158  * to set.
2159  *****************************************************************************/
2160 static void SetPalette( vout_thread_t *p_vout,
2161                         uint16_t *red, uint16_t *green, uint16_t *blue )
2162 {
2163     int i;
2164     XColor p_colors[255];
2165
2166     /* allocate palette */
2167     for( i = 0; i < 255; i++ )
2168     {
2169         /* kludge: colors are indexed reversely because color 255 seems
2170          * to be reserved for black even if we try to set it to white */
2171         p_colors[ i ].pixel = 255 - i;
2172         p_colors[ i ].pad   = 0;
2173         p_colors[ i ].flags = DoRed | DoGreen | DoBlue;
2174         p_colors[ i ].red   = red[ 255 - i ];
2175         p_colors[ i ].blue  = blue[ 255 - i ];
2176         p_colors[ i ].green = green[ 255 - i ];
2177     }
2178
2179     XStoreColors( p_vout->p_sys->p_display,
2180                   p_vout->p_sys->colormap, p_colors, 255 );
2181 }
2182 #endif