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 1.16 2003/05/25 11:31:54 gbazin Exp $
   6  *
   7  * Authors: Vincent Seguin <seguin@via.ecp.fr>
   8  *          Samuel Hocevar <sam@zoy.org>
   9  *          David Kennedy <dkennedy@tinytoad.com>
  10  *          Gildas Bazin <gbazin@netcourrier.com>
  11  *
  12  * This program is free software; you can redistribute it and/or modify
  13  * it under the terms of the GNU General Public License as published by
  14  * the Free Software Foundation; either version 2 of the License, or
  15  * (at your option) any later version.
  16  *
  17  * This program is distributed in the hope that it will be useful,
  18  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  19  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  20  * GNU General Public License for more details.
  21  *
  22  * You should have received a copy of the GNU General Public License
  23  * along with this program; if not, write to the Free Software
  24  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111, USA.
  25  *****************************************************************************/
  26
  27 /*****************************************************************************
  28  * Preamble
  29  *****************************************************************************/
  30 #include <errno.h>                                                 /* ENOMEM */
  31 #include <stdlib.h>                                                /* free() */
  32 #include <string.h>                                            /* strerror() */
  33
  34 #include <vlc/vlc.h>
  35 #include <vlc/intf.h>
  36 #include <vlc/vout.h>
  37
  38 #ifdef HAVE_MACHINE_PARAM_H
  39     /* BSD */
  40 #   include <machine/param.h>
  41 #   include <sys/types.h>                                  /* typedef ushort */
  42 #   include <sys/ipc.h>
  43 #endif
  44
  45 #ifndef WIN32
  46 #   include <netinet/in.h>                            /* BSD: struct in_addr */
  47 #endif
  48
  49 #ifdef HAVE_SYS_SHM_H
  50 #   include <sys/shm.h>                                /* shmget(), shmctl() */
  51 #endif
  52
  53 #include <X11/Xlib.h>
  54 #include <X11/Xmd.h>
  55 #include <X11/Xutil.h>
  56 #include <X11/keysym.h>
  57 #ifdef HAVE_SYS_SHM_H
  58 #   include <X11/extensions/XShm.h>
  59 #endif
  60 #ifdef DPMSINFO_IN_DPMS_H
  61 #   include <X11/extensions/dpms.h>
  62 #endif
  63
  64 #ifdef MODULE_NAME_IS_xvideo
  65 #   include <X11/extensions/Xv.h>
  66 #   include <X11/extensions/Xvlib.h>
  67 #endif
  68
  69 #include "xcommon.h"
  70
  71 /*****************************************************************************
  72  * Local prototypes
  73  *****************************************************************************/
  74 int  E_(Activate)   ( vlc_object_t * );
  75 void E_(Deactivate) ( vlc_object_t * );
  76
  77 static int  InitVideo      ( vout_thread_t * );
  78 static void EndVideo       ( vout_thread_t * );
  79 static void DisplayVideo   ( vout_thread_t *, picture_t * );
  80 static int  ManageVideo    ( vout_thread_t * );
  81
  82 static int  InitDisplay    ( vout_thread_t * );
  83
  84 static int  CreateWindow   ( vout_thread_t *, x11_window_t * );
  85 static void DestroyWindow  ( vout_thread_t *, x11_window_t * );
  86
  87 static int  NewPicture     ( vout_thread_t *, picture_t * );
  88 static void FreePicture    ( vout_thread_t *, picture_t * );
  89
  90 static IMAGE_TYPE *CreateImage    ( vout_thread_t *,
  91                                     Display *, EXTRA_ARGS, int, int );
  92 #ifdef HAVE_SYS_SHM_H
  93 static IMAGE_TYPE *CreateShmImage ( vout_thread_t *,
  94                                     Display *, EXTRA_ARGS_SHM, int, int );
  95 #endif
  96
  97 static void ToggleFullScreen      ( vout_thread_t * );
  98
  99 static void EnableXScreenSaver    ( vout_thread_t * );
 100 static void DisableXScreenSaver   ( vout_thread_t * );
 101
 102 static void CreateCursor   ( vout_thread_t * );
 103 static void DestroyCursor  ( vout_thread_t * );
 104 static void ToggleCursor   ( vout_thread_t * );
 105
 106 #ifdef MODULE_NAME_IS_xvideo
 107 static int  XVideoGetPort    ( vout_thread_t *, vlc_fourcc_t, vlc_fourcc_t * );
 108 static void XVideoReleasePort( vout_thread_t *, int );
 109 #endif
 110
 111 #ifdef MODULE_NAME_IS_x11
 112 static void SetPalette     ( vout_thread_t *,
 113                              uint16_t *, uint16_t *, uint16_t * );
 114 #endif
 115
 116 /*****************************************************************************
 117  * Activate: allocate X11 video thread output method
 118  *****************************************************************************
 119  * This function allocate and initialize a X11 vout method. It uses some of the
 120  * vout properties to choose the window size, and change them according to the
 121  * actual properties of the display.
 122  *****************************************************************************/
 123 int E_(Activate) ( vlc_object_t *p_this )
 124 {
 125     vout_thread_t *p_vout = (vout_thread_t *)p_this;
 126     char *       psz_display;
 127 #ifdef MODULE_NAME_IS_xvideo
 128     char *       psz_chroma;
 129     vlc_fourcc_t i_chroma = 0;
 130     vlc_bool_t   b_chroma = 0;
 131 #endif
 132
 133     p_vout->pf_init = InitVideo;
 134     p_vout->pf_end = EndVideo;
 135     p_vout->pf_manage = ManageVideo;
 136     p_vout->pf_render = NULL;
 137     p_vout->pf_display = DisplayVideo;
 138
 139     /* Allocate structure */
 140     p_vout->p_sys = malloc( sizeof( vout_sys_t ) );
 141     if( p_vout->p_sys == NULL )
 142     {
 143         msg_Err( p_vout, "out of memory" );
 144         return VLC_ENOMEM;
 145     }
 146
 147     /* Open display, using the "display" config variable or the DISPLAY
 148      * environment variable */
 149     psz_display = config_GetPsz( p_vout, MODULE_STRING "-display" );
 150
 151     p_vout->p_sys->p_display = XOpenDisplay( psz_display );
 152
 153     if( p_vout->p_sys->p_display == NULL )                          /* error */
 154     {
 155         msg_Err( p_vout, "cannot open display %s",
 156                          XDisplayName( psz_display ) );
 157         free( p_vout->p_sys );
 158         if( psz_display ) free( psz_display );
 159         return VLC_EGENERIC;
 160     }
 161     if( psz_display ) free( psz_display );
 162
 163     /* Get a screen ID matching the XOpenDisplay return value */
 164     p_vout->p_sys->i_screen = DefaultScreen( p_vout->p_sys->p_display );
 165
 166 #ifdef MODULE_NAME_IS_xvideo
 167     psz_chroma = config_GetPsz( p_vout, "xvideo-chroma" );
 168     if( psz_chroma )
 169     {
 170         if( strlen( psz_chroma ) >= 4 )
 171         {
 172             i_chroma  = (unsigned char)psz_chroma[0] <<  0;
 173             i_chroma |= (unsigned char)psz_chroma[1] <<  8;
 174             i_chroma |= (unsigned char)psz_chroma[2] << 16;
 175             i_chroma |= (unsigned char)psz_chroma[3] << 24;
 176
 177             b_chroma = 1;
 178         }
 179
 180         free( psz_chroma );
 181     }
 182
 183     if( b_chroma )
 184     {
 185         msg_Dbg( p_vout, "forcing chroma 0x%.8x (%4.4s)",
 186                  i_chroma, (char*)&i_chroma );
 187     }
 188     else
 189     {
 190         i_chroma = p_vout->render.i_chroma;
 191     }
 192
 193     /* Check that we have access to an XVideo port providing this chroma */
 194     p_vout->p_sys->i_xvport = XVideoGetPort( p_vout, i_chroma,
 195                                              &p_vout->output.i_chroma );
 196     if( p_vout->p_sys->i_xvport < 0 )
 197     {
 198         /* If a specific chroma format was requested, then we don't try to
 199          * be cleverer than the user. He knew pretty well what he wanted. */
 200         if( b_chroma )
 201         {
 202             XCloseDisplay( p_vout->p_sys->p_display );
 203             free( p_vout->p_sys );
 204             return VLC_EGENERIC;
 205         }
 206
 207         /* It failed, but it's not completely lost ! We try to open an
 208          * XVideo port for an YUY2 picture. We'll need to do an YUV
 209          * conversion, but at least it has got scaling. */
 210         p_vout->p_sys->i_xvport =
 211                         XVideoGetPort( p_vout, VLC_FOURCC('Y','U','Y','2'),
 212                                                &p_vout->output.i_chroma );
 213         if( p_vout->p_sys->i_xvport < 0 )
 214         {
 215             /* It failed, but it's not completely lost ! We try to open an
 216              * XVideo port for a simple 16bpp RGB picture. We'll need to do
 217              * an YUV conversion, but at least it has got scaling. */
 218             p_vout->p_sys->i_xvport =
 219                             XVideoGetPort( p_vout, VLC_FOURCC('R','V','1','6'),
 220                                                    &p_vout->output.i_chroma );
 221             if( p_vout->p_sys->i_xvport < 0 )
 222             {
 223                 XCloseDisplay( p_vout->p_sys->p_display );
 224                 free( p_vout->p_sys );
 225                 return VLC_EGENERIC;
 226             }
 227         }
 228     }
 229 #endif
 230
 231     /* Create blank cursor (for mouse cursor autohiding) */
 232     p_vout->p_sys->i_time_mouse_last_moved = mdate();
 233     p_vout->p_sys->b_mouse_pointer_visible = 1;
 234     CreateCursor( p_vout );
 235
 236     /* Set main window's size */
 237     p_vout->p_sys->original_window.i_width = p_vout->i_window_width;
 238     p_vout->p_sys->original_window.i_height = p_vout->i_window_height;
 239
 240     /* Spawn base window - this window will include the video output window,
 241      * but also command buttons, subtitles and other indicators */
 242     if( CreateWindow( p_vout, &p_vout->p_sys->original_window ) )
 243     {
 244         msg_Err( p_vout, "cannot create X11 window" );
 245         DestroyCursor( p_vout );
 246         XCloseDisplay( p_vout->p_sys->p_display );
 247         free( p_vout->p_sys );
 248         return VLC_EGENERIC;
 249     }
 250
 251     /* Open and initialize device. */
 252     if( InitDisplay( p_vout ) )
 253     {
 254         msg_Err( p_vout, "cannot initialize X11 display" );
 255         DestroyCursor( p_vout );
 256         DestroyWindow( p_vout, &p_vout->p_sys->original_window );
 257         XCloseDisplay( p_vout->p_sys->p_display );
 258         free( p_vout->p_sys );
 259         return VLC_EGENERIC;
 260     }
 261
 262     /* Disable screen saver */
 263     DisableXScreenSaver( p_vout );
 264
 265     /* Misc init */
 266     p_vout->p_sys->b_altfullscreen = 0;
 267     p_vout->p_sys->i_time_button_last_pressed = 0;
 268
 269     return VLC_SUCCESS;
 270 }
 271
 272 /*****************************************************************************
 273  * Deactivate: destroy X11 video thread output method
 274  *****************************************************************************
 275  * Terminate an output method created by Open
 276  *****************************************************************************/
 277 void E_(Deactivate) ( vlc_object_t *p_this )
 278 {
 279     vout_thread_t *p_vout = (vout_thread_t *)p_this;
 280
 281     /* If the fullscreen window is still open, close it */
 282     if( p_vout->b_fullscreen )
 283     {
 284         ToggleFullScreen( p_vout );
 285     }
 286
 287     /* Restore cursor if it was blanked */
 288     if( !p_vout->p_sys->b_mouse_pointer_visible )
 289     {
 290         ToggleCursor( p_vout );
 291     }
 292
 293 #ifdef MODULE_NAME_IS_x11
 294     /* Destroy colormap */
 295     if( XDefaultDepth(p_vout->p_sys->p_display, p_vout->p_sys->i_screen) == 8 )
 296     {
 297         XFreeColormap( p_vout->p_sys->p_display, p_vout->p_sys->colormap );
 298     }
 299 #else
 300     XVideoReleasePort( p_vout, p_vout->p_sys->i_xvport );
 301 #endif
 302
 303     DestroyCursor( p_vout );
 304     EnableXScreenSaver( p_vout );
 305     DestroyWindow( p_vout, &p_vout->p_sys->original_window );
 306
 307     XCloseDisplay( p_vout->p_sys->p_display );
 308
 309     /* Destroy structure */
 310     free( p_vout->p_sys );
 311 }
 312
 313 /*****************************************************************************
 314  * InitVideo: initialize X11 video thread output method
 315  *****************************************************************************
 316  * This function create the XImages needed by the output thread. It is called
 317  * at the beginning of the thread, but also each time the window is resized.
 318  *****************************************************************************/
 319 static int InitVideo( vout_thread_t *p_vout )
 320 {
 321     int i_index;
 322     picture_t *p_pic;
 323
 324     I_OUTPUTPICTURES = 0;
 325
 326 #ifdef MODULE_NAME_IS_xvideo
 327     /* Initialize the output structure; we already found an XVideo port,
 328      * and the corresponding chroma we will be using. Since we can
 329      * arbitrary scale, stick to the coordinates and aspect. */
 330     p_vout->output.i_width  = p_vout->render.i_width;
 331     p_vout->output.i_height = p_vout->render.i_height;
 332     p_vout->output.i_aspect = p_vout->render.i_aspect;
 333
 334     switch( p_vout->output.i_chroma )
 335     {
 336         case VLC_FOURCC('R','V','1','5'):
 337             p_vout->output.i_rmask = 0x001f;
 338             p_vout->output.i_gmask = 0x07e0;
 339             p_vout->output.i_bmask = 0xf800;
 340             break;
 341         case VLC_FOURCC('R','V','1','6'):
 342             p_vout->output.i_rmask = 0x001f;
 343             p_vout->output.i_gmask = 0x03e0;
 344             p_vout->output.i_bmask = 0x7c00;
 345             break;
 346     }
 347
 348 #else
 349     /* Initialize the output structure: RGB with square pixels, whatever
 350      * the input format is, since it's the only format we know */
 351     switch( p_vout->p_sys->i_screen_depth )
 352     {
 353         case 8: /* FIXME: set the palette */
 354             p_vout->output.i_chroma = VLC_FOURCC('R','G','B','2'); break;
 355         case 15:
 356             p_vout->output.i_chroma = VLC_FOURCC('R','V','1','5'); break;
 357         case 16:
 358             p_vout->output.i_chroma = VLC_FOURCC('R','V','1','6'); break;
 359         case 24:
 360             p_vout->output.i_chroma = VLC_FOURCC('R','V','2','4'); break;
 361         case 32:
 362             p_vout->output.i_chroma = VLC_FOURCC('R','V','2','4'); break;
 363         default:
 364             msg_Err( p_vout, "unknown screen depth %i",
 365                      p_vout->p_sys->i_screen_depth );
 366             return VLC_SUCCESS;
 367     }
 368
 369     vout_PlacePicture( p_vout, p_vout->p_sys->p_win->i_width,
 370                        p_vout->p_sys->p_win->i_height,
 371                        &i_index, &i_index,
 372                        &p_vout->output.i_width, &p_vout->output.i_height );
 373
 374     /* Assume we have square pixels */
 375     p_vout->output.i_aspect = p_vout->output.i_width
 376                                * VOUT_ASPECT_FACTOR / p_vout->output.i_height;
 377 #endif
 378
 379     /* Try to initialize up to MAX_DIRECTBUFFERS direct buffers */
 380     while( I_OUTPUTPICTURES < MAX_DIRECTBUFFERS )
 381     {
 382         p_pic = NULL;
 383
 384         /* Find an empty picture slot */
 385         for( i_index = 0 ; i_index < VOUT_MAX_PICTURES ; i_index++ )
 386         {
 387           if( p_vout->p_picture[ i_index ].i_status == FREE_PICTURE )
 388             {
 389                 p_pic = p_vout->p_picture + i_index;
 390                 break;
 391             }
 392         }
 393
 394         /* Allocate the picture */
 395         if( p_pic == NULL || NewPicture( p_vout, p_pic ) )
 396         {
 397             break;
 398         }
 399
 400         p_pic->i_status = DESTROYED_PICTURE;
 401         p_pic->i_type   = DIRECT_PICTURE;
 402
 403         PP_OUTPUTPICTURE[ I_OUTPUTPICTURES ] = p_pic;
 404
 405         I_OUTPUTPICTURES++;
 406     }
 407
 408     return VLC_SUCCESS;
 409 }
 410
 411  /*****************************************************************************
 412  * DisplayVideo: displays previously rendered output
 413  *****************************************************************************
 414  * This function sends the currently rendered image to X11 server.
 415  * (The Xv extension takes care of "double-buffering".)
 416  *****************************************************************************/
 417 static void DisplayVideo( vout_thread_t *p_vout, picture_t *p_pic )
 418 {
 419     int i_width, i_height, i_x, i_y;
 420
 421     vout_PlacePicture( p_vout, p_vout->p_sys->p_win->i_width,
 422                        p_vout->p_sys->p_win->i_height,
 423                        &i_x, &i_y, &i_width, &i_height );
 424
 425 #ifdef HAVE_SYS_SHM_H
 426     if( p_vout->p_sys->b_shm )
 427     {
 428         /* Display rendered image using shared memory extension */
 429 #   ifdef MODULE_NAME_IS_xvideo
 430         XvShmPutImage( p_vout->p_sys->p_display, p_vout->p_sys->i_xvport,
 431                        p_vout->p_sys->p_win->video_window,
 432                        p_vout->p_sys->p_win->gc, p_pic->p_sys->p_image,
 433                        0 /*src_x*/, 0 /*src_y*/,
 434                        p_vout->output.i_width, p_vout->output.i_height,
 435                        0 /*dest_x*/, 0 /*dest_y*/, i_width, i_height,
 436                        False /* Don't put True here or you'll waste your CPU */ );
 437 #   else
 438         XShmPutImage( p_vout->p_sys->p_display,
 439                       p_vout->p_sys->p_win->video_window,
 440                       p_vout->p_sys->p_win->gc, p_pic->p_sys->p_image,
 441                       0 /*src_x*/, 0 /*src_y*/, 0 /*dest_x*/, 0 /*dest_y*/,
 442                       p_vout->output.i_width, p_vout->output.i_height,
 443                       False /* Don't put True here ! */ );
 444 #   endif
 445     }
 446     else
 447 #endif /* HAVE_SYS_SHM_H */
 448     {
 449         /* Use standard XPutImage -- this is gonna be slow ! */
 450 #ifdef MODULE_NAME_IS_xvideo
 451         XvPutImage( p_vout->p_sys->p_display, p_vout->p_sys->i_xvport,
 452                     p_vout->p_sys->p_win->video_window,
 453                     p_vout->p_sys->p_win->gc, p_pic->p_sys->p_image,
 454                     0 /*src_x*/, 0 /*src_y*/,
 455                     p_vout->output.i_width, p_vout->output.i_height,
 456                     0 /*dest_x*/, 0 /*dest_y*/, i_width, i_height );
 457 #else
 458         XPutImage( p_vout->p_sys->p_display,
 459                    p_vout->p_sys->p_win->video_window,
 460                    p_vout->p_sys->p_win->gc, p_pic->p_sys->p_image,
 461                    0 /*src_x*/, 0 /*src_y*/, 0 /*dest_x*/, 0 /*dest_y*/,
 462                    p_vout->output.i_width, p_vout->output.i_height );
 463 #endif
 464     }
 465
 466     /* Make sure the command is sent now - do NOT use XFlush !*/
 467     XSync( p_vout->p_sys->p_display, False );
 468 }
 469
 470 /*****************************************************************************
 471  * ManageVideo: handle X11 events
 472  *****************************************************************************
 473  * This function should be called regularly by video output thread. It manages
 474  * X11 events and allows window resizing. It returns a non null value on
 475  * error.
 476  *****************************************************************************/
 477 static int ManageVideo( vout_thread_t *p_vout )
 478 {
 479     XEvent      xevent;                                         /* X11 event */
 480     char        i_key;                                    /* ISO Latin-1 key */
 481     KeySym      x_key_symbol;
 482     vlc_value_t val;
 483
 484     /* Handle X11 events: ConfigureNotify events are parsed to know if the
 485      * output window's size changed, MapNotify and UnmapNotify to know if the
 486      * window is mapped (and if the display is useful), and ClientMessages
 487      * to intercept window destruction requests */
 488
 489     while( XCheckWindowEvent( p_vout->p_sys->p_display,
 490                               p_vout->p_sys->p_win->base_window,
 491                               StructureNotifyMask | KeyPressMask |
 492                               ButtonPressMask | ButtonReleaseMask |
 493                               PointerMotionMask | Button1MotionMask , &xevent )
 494            == True )
 495     {
 496         /* ConfigureNotify event: prepare  */
 497         if( xevent.type == ConfigureNotify )
 498         {
 499             if( (unsigned int)xevent.xconfigure.width
 500                    != p_vout->p_sys->p_win->i_width
 501               || (unsigned int)xevent.xconfigure.height
 502                     != p_vout->p_sys->p_win->i_height )
 503             {
 504                 /* Update dimensions */
 505                 p_vout->i_changes |= VOUT_SIZE_CHANGE;
 506                 p_vout->p_sys->p_win->i_width = xevent.xconfigure.width;
 507                 p_vout->p_sys->p_win->i_height = xevent.xconfigure.height;
 508             }
 509         }
 510         /* Keyboard event */
 511         else if( xevent.type == KeyPress )
 512         {
 513             /* We may have keys like F1 trough F12, ESC ... */
 514             x_key_symbol = XKeycodeToKeysym( p_vout->p_sys->p_display,
 515                                              xevent.xkey.keycode, 0 );
 516             switch( (int)x_key_symbol )
 517             {
 518             case XK_Escape:
 519                 if( p_vout->b_fullscreen )
 520                 {
 521                     p_vout->i_changes |= VOUT_FULLSCREEN_CHANGE;
 522                 }
 523                 else
 524                 {
 525                     p_vout->p_vlc->b_die = 1;
 526                 }
 527                 break;
 528             case XK_Menu:
 529                 {
 530                     intf_thread_t *p_intf;
 531                     p_intf = vlc_object_find( p_vout, VLC_OBJECT_INTF,
 532                                                       FIND_ANYWHERE );
 533                     if( p_intf )
 534                     {
 535                         p_intf->b_menu_change = 1;
 536                         vlc_object_release( p_intf );
 537                     }
 538                 }
 539                 break;
 540             case XK_Left:
 541                 input_Seek( p_vout, -5, INPUT_SEEK_SECONDS | INPUT_SEEK_CUR );
 542                 break;
 543             case XK_Right:
 544                 input_Seek( p_vout, 5, INPUT_SEEK_SECONDS | INPUT_SEEK_CUR );
 545                 break;
 546             case XK_Up:
 547                 input_Seek( p_vout, 60, INPUT_SEEK_SECONDS | INPUT_SEEK_CUR );
 548                 break;
 549             case XK_Down:
 550                 input_Seek( p_vout, -60, INPUT_SEEK_SECONDS | INPUT_SEEK_CUR );
 551                 break;
 552             case XK_Home:
 553                 input_Seek( p_vout, 0, INPUT_SEEK_BYTES | INPUT_SEEK_SET );
 554                 break;
 555             case XK_End:
 556                 input_Seek( p_vout, 0, INPUT_SEEK_BYTES | INPUT_SEEK_END );
 557                 break;
 558             case XK_Page_Up:
 559                 input_Seek( p_vout, 900, INPUT_SEEK_SECONDS | INPUT_SEEK_CUR );
 560                 break;
 561             case XK_Page_Down:
 562                 input_Seek( p_vout, -900, INPUT_SEEK_SECONDS | INPUT_SEEK_CUR );
 563                 break;
 564             case XK_space:
 565                 input_SetStatus( p_vout, INPUT_STATUS_PAUSE );
 566                 break;
 567
 568             default:
 569                 /* "Normal Keys"
 570                  * The reason why I use this instead of XK_0 is that
 571                  * with XLookupString, we don't have to care about
 572                  * keymaps. */
 573
 574                 if( XLookupString( &xevent.xkey, &i_key, 1, NULL, NULL ) )
 575                 {
 576                     /* FIXME: handle stuff here */
 577                     switch( i_key )
 578                     {
 579                     case 'q':
 580                     case 'Q':
 581                         p_vout->p_vlc->b_die = 1;
 582                         break;
 583                     case 'f':
 584                     case 'F':
 585                         p_vout->i_changes |= VOUT_FULLSCREEN_CHANGE;
 586                         break;
 587
 588                     default:
 589                         break;
 590                     }
 591                 }
 592                 break;
 593             }
 594         }
 595         /* Mouse click */
 596         else if( xevent.type == ButtonPress )
 597         {
 598             switch( ((XButtonEvent *)&xevent)->button )
 599             {
 600                 case Button1:
 601                     var_Get( p_vout, "mouse-button-down", &val );
 602                     val.i_int |= 1;
 603                     var_Set( p_vout, "mouse-button-down", val );
 604
 605                     /* detect double-clicks */
 606                     if( ( ((XButtonEvent *)&xevent)->time -
 607                           p_vout->p_sys->i_time_button_last_pressed ) < 300 )
 608                     {
 609                         p_vout->i_changes |= VOUT_FULLSCREEN_CHANGE;
 610                     }
 611
 612                     p_vout->p_sys->i_time_button_last_pressed =
 613                         ((XButtonEvent *)&xevent)->time;
 614                     break;
 615                 case Button2:
 616                     var_Get( p_vout, "mouse-button-down", &val );
 617                     val.i_int |= 2;
 618                     var_Set( p_vout, "mouse-button-down", val );
 619                     break;
 620
 621                 case Button3:
 622                     var_Get( p_vout, "mouse-button-down", &val );
 623                     val.i_int |= 4;
 624                     var_Set( p_vout, "mouse-button-down", val );
 625                     break;
 626
 627                 case Button4:
 628                     var_Get( p_vout, "mouse-button-down", &val );
 629                     val.i_int |= 8;
 630                     var_Set( p_vout, "mouse-button-down", val );
 631                     input_Seek( p_vout, 15, INPUT_SEEK_SECONDS | INPUT_SEEK_CUR );
 632                     break;
 633
 634                 case Button5:
 635                     var_Get( p_vout, "mouse-button-down", &val );
 636                     val.i_int |= 16;
 637                     var_Set( p_vout, "mouse-button-down", val );
 638                     input_Seek( p_vout, -15, INPUT_SEEK_SECONDS | INPUT_SEEK_CUR );
 639                     break;
 640             }
 641         }
 642         /* Mouse release */
 643         else if( xevent.type == ButtonRelease )
 644         {
 645             switch( ((XButtonEvent *)&xevent)->button )
 646             {
 647                 case Button1:
 648                     var_Get( p_vout, "mouse-button-down", &val );
 649                     val.i_int &= ~1;
 650                     var_Set( p_vout, "mouse-button-down", val );
 651
 652                     val.b_bool = VLC_TRUE;
 653                     var_Set( p_vout, "mouse-clicked", val );
 654                     break;
 655
 656                 case Button2:
 657                     var_Get( p_vout, "mouse-button-down", &val );
 658                     val.i_int &= ~2;
 659                     var_Set( p_vout, "mouse-button-down", val );
 660                     break;
 661
 662                 case Button3:
 663                     {
 664                         intf_thread_t *p_intf;
 665                         var_Get( p_vout, "mouse-button-down", &val );
 666                         val.i_int &= ~4;
 667                         var_Set( p_vout, "mouse-button-down", val );
 668                         p_intf = vlc_object_find( p_vout, VLC_OBJECT_INTF,
 669                                                           FIND_ANYWHERE );
 670                         if( p_intf )
 671                         {
 672                             p_intf->b_menu_change = 1;
 673                             vlc_object_release( p_intf );
 674                         }
 675                     }
 676                     break;
 677
 678                 case Button4:
 679                     var_Get( p_vout, "mouse-button-down", &val );
 680                     val.i_int &= ~8;
 681                     var_Set( p_vout, "mouse-button-down", val );
 682                     break;
 683
 684                 case Button5:
 685                     var_Get( p_vout, "mouse-button-down", &val );
 686                     val.i_int &= ~16;
 687                     var_Set( p_vout, "mouse-button-down", val );
 688                     break;
 689
 690             }
 691         }
 692         /* Mouse move */
 693         else if( xevent.type == MotionNotify )
 694         {
 695             int i_width, i_height, i_x, i_y;
 696             vlc_value_t val;
 697
 698             /* somewhat different use for vout_PlacePicture:
 699              * here the values are needed to give to mouse coordinates
 700              * in the original picture space */
 701             vout_PlacePicture( p_vout, p_vout->p_sys->p_win->i_width,
 702                                p_vout->p_sys->p_win->i_height,
 703                                &i_x, &i_y, &i_width, &i_height );
 704
 705             val.i_int = ( xevent.xmotion.x - i_x )
 706                          * p_vout->render.i_width / i_width;
 707             var_Set( p_vout, "mouse-x", val );
 708             val.i_int = ( xevent.xmotion.y - i_y )
 709                          * p_vout->render.i_height / i_height;
 710             var_Set( p_vout, "mouse-y", val );
 711
 712             val.b_bool = VLC_TRUE;
 713             var_Set( p_vout, "mouse-moved", val );
 714
 715             p_vout->p_sys->i_time_mouse_last_moved = mdate();
 716             if( ! p_vout->p_sys->b_mouse_pointer_visible )
 717             {
 718                 ToggleCursor( p_vout );
 719             }
 720         }
 721         else if( xevent.type == ReparentNotify /* XXX: why do we get this? */
 722                   || xevent.type == MapNotify
 723                   || xevent.type == UnmapNotify )
 724         {
 725             /* Ignore these events */
 726         }
 727         else /* Other events */
 728         {
 729             msg_Warn( p_vout, "unhandled event %d received", xevent.type );
 730         }
 731     }
 732
 733     /* Handle events for video output sub-window */
 734     while( XCheckWindowEvent( p_vout->p_sys->p_display,
 735                               p_vout->p_sys->p_win->video_window,
 736                               ExposureMask, &xevent ) == True )
 737     {
 738         /* Window exposed (only handled if stream playback is paused) */
 739         if( xevent.type == Expose )
 740         {
 741             if( ((XExposeEvent *)&xevent)->count == 0 )
 742             {
 743                 /* (if this is the last a collection of expose events...) */
 744 #if 0
 745                 if( p_vout->p_vlc->p_input_bank->pp_input[0] != NULL )
 746                 {
 747                     if( PAUSE_S == p_vout->p_vlc->p_input_bank->pp_input[0]
 748                                                    ->stream.control.i_status )
 749                     {
 750                         /* XVideoDisplay( p_vout )*/;
 751                     }
 752                 }
 753 #endif
 754             }
 755         }
 756     }
 757
 758     /* ClientMessage event - only WM_PROTOCOLS with WM_DELETE_WINDOW data
 759      * are handled - according to the man pages, the format is always 32
 760      * in this case */
 761     while( XCheckTypedEvent( p_vout->p_sys->p_display,
 762                              ClientMessage, &xevent ) )
 763     {
 764         if( (xevent.xclient.message_type == p_vout->p_sys->p_win->wm_protocols)
 765                && ((Atom)xevent.xclient.data.l[0]
 766                      == p_vout->p_sys->p_win->wm_delete_window ) )
 767         {
 768             p_vout->p_vlc->b_die = 1;
 769         }
 770     }
 771
 772     /*
 773      * Fullscreen Change
 774      */
 775     if ( p_vout->i_changes & VOUT_FULLSCREEN_CHANGE )
 776     {
 777         vlc_value_t val;
 778
 779         /* Update the object variable and trigger callback */
 780         val.b_bool = !p_vout->b_fullscreen;
 781         var_Set( p_vout, "fullscreen", val );
 782
 783         ToggleFullScreen( p_vout );
 784         p_vout->i_changes &= ~VOUT_FULLSCREEN_CHANGE;
 785     }
 786
 787     /*
 788      * Size change
 789      *
 790      * (Needs to be placed after VOUT_FULLSREEN_CHANGE because we can activate
 791      *  the size flag inside the fullscreen routine)
 792      */
 793     if( p_vout->i_changes & VOUT_SIZE_CHANGE )
 794     {
 795         int i_width, i_height, i_x, i_y;
 796
 797         p_vout->i_changes &= ~VOUT_SIZE_CHANGE;
 798
 799 #ifdef MODULE_NAME_IS_x11
 800         /* We need to signal the vout thread about the size change because it
 801          * is doing the rescaling */
 802         p_vout->i_changes |= VOUT_SIZE_CHANGE;
 803 #endif
 804
 805         vout_PlacePicture( p_vout, p_vout->p_sys->p_win->i_width,
 806                            p_vout->p_sys->p_win->i_height,
 807                            &i_x, &i_y, &i_width, &i_height );
 808
 809         XResizeWindow( p_vout->p_sys->p_display,
 810                        p_vout->p_sys->p_win->video_window, i_width, i_height );
 811
 812         XMoveWindow( p_vout->p_sys->p_display,
 813                      p_vout->p_sys->p_win->video_window, i_x, i_y );
 814     }
 815
 816     /* Autohide Cursour */
 817     if( mdate() - p_vout->p_sys->i_time_mouse_last_moved > 2000000 )
 818     {
 819         /* Hide the mouse automatically */
 820         if( p_vout->p_sys->b_mouse_pointer_visible )
 821         {
 822             ToggleCursor( p_vout );
 823         }
 824     }
 825
 826     return 0;
 827 }
 828
 829 /*****************************************************************************
 830  * EndVideo: terminate X11 video thread output method
 831  *****************************************************************************
 832  * Destroy the X11 XImages created by Init. It is called at the end of
 833  * the thread, but also each time the window is resized.
 834  *****************************************************************************/
 835 static void EndVideo( vout_thread_t *p_vout )
 836 {
 837     int i_index;
 838
 839     /* Free the direct buffers we allocated */
 840     for( i_index = I_OUTPUTPICTURES ; i_index ; )
 841     {
 842         i_index--;
 843         FreePicture( p_vout, PP_OUTPUTPICTURE[ i_index ] );
 844     }
 845 }
 846
 847 /* following functions are local */
 848
 849 /*****************************************************************************
 850  * CreateWindow: open and set-up X11 main window
 851  *****************************************************************************/
 852 static int CreateWindow( vout_thread_t *p_vout, x11_window_t *p_win )
 853 {
 854     XSizeHints              xsize_hints;
 855     XSetWindowAttributes    xwindow_attributes;
 856     XGCValues               xgcvalues;
 857     XEvent                  xevent;
 858
 859     vlc_bool_t              b_expose;
 860     vlc_bool_t              b_configure_notify;
 861     vlc_bool_t              b_map_notify;
 862
 863     vlc_value_t             val;
 864     long long int           i_drawable;
 865
 866     /* Prepare window manager hints and properties */
 867     xsize_hints.base_width          = p_win->i_width;
 868     xsize_hints.base_height         = p_win->i_height;
 869     xsize_hints.flags               = PSize;
 870     p_win->wm_protocols =
 871              XInternAtom( p_vout->p_sys->p_display, "WM_PROTOCOLS", True );
 872     p_win->wm_delete_window =
 873              XInternAtom( p_vout->p_sys->p_display, "WM_DELETE_WINDOW", True );
 874
 875     /* Prepare window attributes */
 876     xwindow_attributes.backing_store = Always;       /* save the hidden part */
 877     xwindow_attributes.background_pixel = BlackPixel(p_vout->p_sys->p_display,
 878                                                      p_vout->p_sys->i_screen);
 879     xwindow_attributes.event_mask = ExposureMask | StructureNotifyMask;
 880
 881     /* Check whether someone provided us with a window ID */
 882     var_Get( p_vout->p_vlc, "drawable", &val );
 883     i_drawable = p_vout->b_fullscreen ? 0 : val.i_int;
 884
 885     if( !i_drawable )
 886     {
 887         p_win->b_owned = VLC_TRUE;
 888
 889         /* Create the window and set hints - the window must receive
 890          * ConfigureNotify events, and until it is displayed, Expose and
 891          * MapNotify events. */
 892
 893         p_win->base_window =
 894             XCreateWindow( p_vout->p_sys->p_display,
 895                            DefaultRootWindow( p_vout->p_sys->p_display ),
 896                            0, 0,
 897                            p_win->i_width, p_win->i_height,
 898                            0,
 899                            0, InputOutput, 0,
 900                            CWBackingStore | CWBackPixel | CWEventMask,
 901                            &xwindow_attributes );
 902
 903         if( !p_vout->b_fullscreen )
 904         {
 905             /* Set window manager hints and properties: size hints, command,
 906              * window's name, and accepted protocols */
 907             XSetWMNormalHints( p_vout->p_sys->p_display,
 908                                p_win->base_window, &xsize_hints );
 909             XSetCommand( p_vout->p_sys->p_display, p_win->base_window,
 910                          p_vout->p_vlc->ppsz_argv, p_vout->p_vlc->i_argc );
 911
 912             XStoreName( p_vout->p_sys->p_display, p_win->base_window,
 913 #ifdef MODULE_NAME_IS_x11
 914                         VOUT_TITLE " (X11 output)"
 915 #else
 916                         VOUT_TITLE " (XVideo output)"
 917 #endif
 918                       );
 919         }
 920     }
 921     else
 922     {
 923         p_win->b_owned = VLC_FALSE;
 924         p_win->base_window = i_drawable;
 925
 926         XChangeWindowAttributes( p_vout->p_sys->p_display,
 927                                  p_win->base_window,
 928                                  CWBackingStore | CWBackPixel | CWEventMask,
 929                                  &xwindow_attributes );
 930     }
 931
 932     if( (p_win->wm_protocols == None)        /* use WM_DELETE_WINDOW */
 933         || (p_win->wm_delete_window == None)
 934         || !XSetWMProtocols( p_vout->p_sys->p_display, p_win->base_window,
 935                              &p_win->wm_delete_window, 1 ) )
 936     {
 937         /* WM_DELETE_WINDOW is not supported by window manager */
 938         msg_Warn( p_vout, "missing or bad window manager" );
 939     }
 940
 941     /* Creation of a graphic context that doesn't generate a GraphicsExpose
 942      * event when using functions like XCopyArea */
 943     xgcvalues.graphics_exposures = False;
 944     p_win->gc = XCreateGC( p_vout->p_sys->p_display,
 945                            p_win->base_window,
 946                            GCGraphicsExposures, &xgcvalues );
 947
 948     if( p_win->b_owned )
 949     {
 950         /* Send orders to server, and wait until window is displayed - three
 951          * events must be received: a MapNotify event, an Expose event allowing
 952          * drawing in the window, and a ConfigureNotify to get the window
 953          * dimensions. Once those events have been received, only
 954          * ConfigureNotify events need to be received. */
 955         b_expose = 0;
 956         b_configure_notify = 0;
 957         b_map_notify = 0;
 958         XMapWindow( p_vout->p_sys->p_display, p_win->base_window );
 959         do
 960         {
 961             XNextEvent( p_vout->p_sys->p_display, &xevent);
 962             if( (xevent.type == Expose)
 963                 && (xevent.xexpose.window == p_win->base_window) )
 964             {
 965                 b_expose = 1;
 966             }
 967             else if( (xevent.type == MapNotify)
 968                      && (xevent.xmap.window == p_win->base_window) )
 969             {
 970                 b_map_notify = 1;
 971             }
 972             else if( (xevent.type == ConfigureNotify)
 973                      && (xevent.xconfigure.window == p_win->base_window) )
 974             {
 975                 b_configure_notify = 1;
 976                 p_win->i_width = xevent.xconfigure.width;
 977                 p_win->i_height = xevent.xconfigure.height;
 978             }
 979         } while( !( b_expose && b_configure_notify && b_map_notify ) );
 980     }
 981     else
 982     {
 983         /* Get the window's geometry information */
 984         Window dummy1;
 985         unsigned int dummy2, dummy3;
 986         XGetGeometry( p_vout->p_sys->p_display, p_win->base_window,
 987                       &dummy1, &dummy2, &dummy3,
 988                       &p_win->i_width,
 989                       &p_win->i_height,
 990                       &dummy2, &dummy3 );
 991     }
 992
 993     XSelectInput( p_vout->p_sys->p_display, p_win->base_window,
 994                   StructureNotifyMask | KeyPressMask |
 995                   ButtonPressMask | ButtonReleaseMask |
 996                   PointerMotionMask );
 997
 998 #ifdef MODULE_NAME_IS_x11
 999     if( p_win->b_owned &&
1000          XDefaultDepth(p_vout->p_sys->p_display, p_vout->p_sys->i_screen) == 8 )
1001     {
1002         /* Allocate a new palette */
1003         p_vout->p_sys->colormap =
1004             XCreateColormap( p_vout->p_sys->p_display,
1005                              DefaultRootWindow( p_vout->p_sys->p_display ),
1006                              DefaultVisual( p_vout->p_sys->p_display,
1007                                             p_vout->p_sys->i_screen ),
1008                              AllocAll );
1009
1010         xwindow_attributes.colormap = p_vout->p_sys->colormap;
1011         XChangeWindowAttributes( p_vout->p_sys->p_display, p_win->base_window,
1012                                  CWColormap, &xwindow_attributes );
1013     }
1014 #endif
1015
1016     /* Create video output sub-window. */
1017     p_win->video_window =  XCreateSimpleWindow(
1018                                       p_vout->p_sys->p_display,
1019                                       p_win->base_window, 0, 0,
1020                                       p_win->i_width, p_win->i_height,
1021                                       0,
1022                                       BlackPixel( p_vout->p_sys->p_display,
1023                                                   p_vout->p_sys->i_screen ),
1024                                       WhitePixel( p_vout->p_sys->p_display,
1025                                                   p_vout->p_sys->i_screen ) );
1026
1027     XSetWindowBackground( p_vout->p_sys->p_display, p_win->video_window,
1028                           BlackPixel( p_vout->p_sys->p_display,
1029                                       p_vout->p_sys->i_screen ) );
1030
1031     XMapWindow( p_vout->p_sys->p_display, p_win->video_window );
1032     XSelectInput( p_vout->p_sys->p_display, p_win->video_window,
1033                   ExposureMask );
1034
1035     /* make sure the video window will be centered in the next ManageVideo() */
1036     p_vout->i_changes |= VOUT_SIZE_CHANGE;
1037
1038     /* If the cursor was formerly blank than blank it again */
1039     if( !p_vout->p_sys->b_mouse_pointer_visible )
1040     {
1041         ToggleCursor( p_vout );
1042         ToggleCursor( p_vout );
1043     }
1044
1045     /* Do NOT use XFlush here ! */
1046     XSync( p_vout->p_sys->p_display, False );
1047
1048     /* At this stage, the window is open, displayed, and ready to
1049      * receive data */
1050     p_vout->p_sys->p_win = p_win;
1051
1052     return VLC_SUCCESS;
1053 }
1054
1055 /*****************************************************************************
1056  * DestroyWindow: destroy the window
1057  *****************************************************************************
1058  *
1059  *****************************************************************************/
1060 static void DestroyWindow( vout_thread_t *p_vout, x11_window_t *p_win )
1061 {
1062     /* Do NOT use XFlush here ! */
1063     XSync( p_vout->p_sys->p_display, False );
1064
1065     XDestroyWindow( p_vout->p_sys->p_display, p_win->video_window );
1066     XFreeGC( p_vout->p_sys->p_display, p_win->gc );
1067
1068     if( p_win->b_owned )
1069     {
1070         XUnmapWindow( p_vout->p_sys->p_display, p_win->base_window );
1071         XDestroyWindow( p_vout->p_sys->p_display, p_win->base_window );
1072     }
1073 }
1074
1075 /*****************************************************************************
1076  * NewPicture: allocate a picture
1077  *****************************************************************************
1078  * Returns 0 on success, -1 otherwise
1079  *****************************************************************************/
1080 static int NewPicture( vout_thread_t *p_vout, picture_t *p_pic )
1081 {
1082     /* We know the chroma, allocate a buffer which will be used
1083      * directly by the decoder */
1084     p_pic->p_sys = malloc( sizeof( picture_sys_t ) );
1085
1086     if( p_pic->p_sys == NULL )
1087     {
1088         return -1;
1089     }
1090
1091 #ifdef HAVE_SYS_SHM_H
1092     if( p_vout->p_sys->b_shm )
1093     {
1094         /* Create image using XShm extension */
1095         p_pic->p_sys->p_image =
1096             CreateShmImage( p_vout, p_vout->p_sys->p_display,
1097 #   ifdef MODULE_NAME_IS_xvideo
1098                             p_vout->p_sys->i_xvport, p_vout->output.i_chroma,
1099 #   else
1100                             p_vout->p_sys->p_visual,
1101                             p_vout->p_sys->i_screen_depth,
1102 #   endif
1103                             &p_pic->p_sys->shminfo,
1104                             p_vout->output.i_width, p_vout->output.i_height );
1105     }
1106     else
1107 #endif /* HAVE_SYS_SHM_H */
1108     {
1109         /* Create image without XShm extension */
1110         p_pic->p_sys->p_image =
1111             CreateImage( p_vout, p_vout->p_sys->p_display,
1112 #ifdef MODULE_NAME_IS_xvideo
1113                          p_vout->p_sys->i_xvport, p_vout->output.i_chroma,
1114 #else
1115                          p_vout->p_sys->p_visual,
1116                          p_vout->p_sys->i_screen_depth,
1117                          p_vout->p_sys->i_bytes_per_pixel,
1118 #endif
1119                          p_vout->output.i_width, p_vout->output.i_height );
1120     }
1121
1122     if( p_pic->p_sys->p_image == NULL )
1123     {
1124         free( p_pic->p_sys );
1125         return -1;
1126     }
1127
1128     switch( p_vout->output.i_chroma )
1129     {
1130 #ifdef MODULE_NAME_IS_xvideo
1131         case VLC_FOURCC('I','4','2','0'):
1132
1133             p_pic->Y_PIXELS = p_pic->p_sys->p_image->data
1134                                + p_pic->p_sys->p_image->offsets[0];
1135             p_pic->p[Y_PLANE].i_lines = p_vout->output.i_height;
1136             p_pic->p[Y_PLANE].i_pitch = p_pic->p_sys->p_image->pitches[0];
1137             p_pic->p[Y_PLANE].i_pixel_pitch = 1;
1138             p_pic->p[Y_PLANE].i_visible_pitch = p_vout->output.i_width;
1139
1140             p_pic->U_PIXELS = p_pic->p_sys->p_image->data
1141                                + p_pic->p_sys->p_image->offsets[1];
1142             p_pic->p[U_PLANE].i_lines = p_vout->output.i_height / 2;
1143             p_pic->p[U_PLANE].i_pitch = p_pic->p_sys->p_image->pitches[1];
1144             p_pic->p[U_PLANE].i_pixel_pitch = 1;
1145             p_pic->p[U_PLANE].i_visible_pitch = p_vout->output.i_width / 2;
1146
1147             p_pic->V_PIXELS = p_pic->p_sys->p_image->data
1148                                + p_pic->p_sys->p_image->offsets[2];
1149             p_pic->p[V_PLANE].i_lines = p_vout->output.i_height / 2;
1150             p_pic->p[V_PLANE].i_pitch = p_pic->p_sys->p_image->pitches[2];
1151             p_pic->p[V_PLANE].i_pixel_pitch = 1;
1152             p_pic->p[V_PLANE].i_visible_pitch = p_vout->output.i_width / 2;
1153
1154             p_pic->i_planes = 3;
1155             break;
1156
1157         case VLC_FOURCC('Y','V','1','2'):
1158
1159             p_pic->Y_PIXELS = p_pic->p_sys->p_image->data
1160                                + p_pic->p_sys->p_image->offsets[0];
1161             p_pic->p[Y_PLANE].i_lines = p_vout->output.i_height;
1162             p_pic->p[Y_PLANE].i_pitch = p_pic->p_sys->p_image->pitches[0];
1163             p_pic->p[Y_PLANE].i_pixel_pitch = 1;
1164             p_pic->p[Y_PLANE].i_visible_pitch = p_pic->p[Y_PLANE].i_pitch;
1165             p_pic->p[Y_PLANE].i_visible_pitch = p_vout->output.i_width;
1166
1167             p_pic->U_PIXELS = p_pic->p_sys->p_image->data
1168                                + p_pic->p_sys->p_image->offsets[2];
1169             p_pic->p[U_PLANE].i_lines = p_vout->output.i_height / 2;
1170             p_pic->p[U_PLANE].i_pitch = p_pic->p_sys->p_image->pitches[2];
1171             p_pic->p[U_PLANE].i_pixel_pitch = 1;
1172             p_pic->p[U_PLANE].i_visible_pitch = p_vout->output.i_width / 2;
1173
1174             p_pic->V_PIXELS = p_pic->p_sys->p_image->data
1175                                + p_pic->p_sys->p_image->offsets[1];
1176             p_pic->p[V_PLANE].i_lines = p_vout->output.i_height / 2;
1177             p_pic->p[V_PLANE].i_pitch = p_pic->p_sys->p_image->pitches[1];
1178             p_pic->p[V_PLANE].i_pixel_pitch = 1;
1179             p_pic->p[V_PLANE].i_visible_pitch = p_vout->output.i_width / 2;
1180
1181             p_pic->i_planes = 3;
1182             break;
1183
1184         case VLC_FOURCC('Y','2','1','1'):
1185
1186             p_pic->p->p_pixels = p_pic->p_sys->p_image->data
1187                                   + p_pic->p_sys->p_image->offsets[0];
1188             p_pic->p->i_lines = p_vout->output.i_height;
1189             /* XXX: this just looks so plain wrong... check it out ! */
1190             p_pic->p->i_pitch = p_pic->p_sys->p_image->pitches[0] / 4;
1191             p_pic->p->i_pixel_pitch = 4;
1192             p_pic->p->i_visible_pitch = p_vout->output.i_width * 4;
1193
1194             p_pic->i_planes = 1;
1195             break;
1196
1197         case VLC_FOURCC('Y','U','Y','2'):
1198         case VLC_FOURCC('U','Y','V','Y'):
1199
1200             p_pic->p->p_pixels = p_pic->p_sys->p_image->data
1201                                   + p_pic->p_sys->p_image->offsets[0];
1202             p_pic->p->i_lines = p_vout->output.i_height;
1203             p_pic->p->i_pitch = p_pic->p_sys->p_image->pitches[0];
1204             p_pic->p->i_pixel_pitch = 4;
1205             p_pic->p->i_visible_pitch = p_vout->output.i_width * 4;
1206
1207             p_pic->i_planes = 1;
1208             break;
1209
1210         case VLC_FOURCC('R','V','1','5'):
1211
1212             p_pic->p->p_pixels = p_pic->p_sys->p_image->data
1213                                   + p_pic->p_sys->p_image->offsets[0];
1214             p_pic->p->i_lines = p_vout->output.i_height;
1215             p_pic->p->i_pitch = p_pic->p_sys->p_image->pitches[0];
1216             p_pic->p->i_pixel_pitch = 2;
1217             p_pic->p->i_visible_pitch = p_vout->output.i_width * 2;
1218
1219             p_pic->i_planes = 1;
1220             break;
1221
1222         case VLC_FOURCC('R','V','1','6'):
1223
1224             p_pic->p->p_pixels = p_pic->p_sys->p_image->data
1225                                   + p_pic->p_sys->p_image->offsets[0];
1226             p_pic->p->i_lines = p_vout->output.i_height;
1227             p_pic->p->i_pitch = p_pic->p_sys->p_image->pitches[0];
1228             p_pic->p->i_pixel_pitch = 2;
1229             p_pic->p->i_visible_pitch = p_vout->output.i_width * 2;
1230
1231             p_pic->i_planes = 1;
1232             break;
1233
1234 #else
1235         case VLC_FOURCC('R','G','B','2'):
1236
1237             p_pic->p->p_pixels = p_pic->p_sys->p_image->data
1238                                   + p_pic->p_sys->p_image->xoffset;
1239             p_pic->p->i_lines = p_pic->p_sys->p_image->height;
1240             p_pic->p->i_pitch = p_pic->p_sys->p_image->bytes_per_line;
1241             p_pic->p->i_pixel_pitch = p_pic->p_sys->p_image->depth;
1242             p_pic->p->i_visible_pitch = p_pic->p_sys->p_image->width;
1243
1244             p_pic->i_planes = 1;
1245
1246             break;
1247
1248         case VLC_FOURCC('R','V','1','6'):
1249         case VLC_FOURCC('R','V','1','5'):
1250
1251             p_pic->p->p_pixels = p_pic->p_sys->p_image->data
1252                                   + p_pic->p_sys->p_image->xoffset;
1253             p_pic->p->i_lines = p_pic->p_sys->p_image->height;
1254             p_pic->p->i_pitch = p_pic->p_sys->p_image->bytes_per_line;
1255             p_pic->p->i_pixel_pitch = p_pic->p_sys->p_image->depth;
1256             p_pic->p->i_visible_pitch = 2 * p_pic->p_sys->p_image->width;
1257
1258             p_pic->i_planes = 1;
1259
1260             break;
1261
1262         case VLC_FOURCC('R','V','3','2'):
1263         case VLC_FOURCC('R','V','2','4'):
1264
1265             p_pic->p->p_pixels = p_pic->p_sys->p_image->data
1266                                   + p_pic->p_sys->p_image->xoffset;
1267             p_pic->p->i_lines = p_pic->p_sys->p_image->height;
1268             p_pic->p->i_pitch = p_pic->p_sys->p_image->bytes_per_line;
1269             p_pic->p->i_pixel_pitch = p_pic->p_sys->p_image->depth;
1270             p_pic->p->i_visible_pitch = 4 * p_pic->p_sys->p_image->width;
1271
1272             p_pic->i_planes = 1;
1273
1274             break;
1275 #endif
1276
1277         default:
1278             /* Unknown chroma, tell the guy to get lost */
1279             IMAGE_FREE( p_pic->p_sys->p_image );
1280             free( p_pic->p_sys );
1281             msg_Err( p_vout, "never heard of chroma 0x%.8x (%4.4s)",
1282                      p_vout->output.i_chroma, (char*)&p_vout->output.i_chroma );
1283             p_pic->i_planes = 0;
1284             return -1;
1285     }
1286
1287     return 0;
1288 }
1289
1290 /*****************************************************************************
1291  * FreePicture: destroy a picture allocated with NewPicture
1292  *****************************************************************************
1293  * Destroy XImage AND associated data. If using Shm, detach shared memory
1294  * segment from server and process, then free it. The XDestroyImage manpage
1295  * says that both the image structure _and_ the data pointed to by the
1296  * image structure are freed, so no need to free p_image->data.
1297  *****************************************************************************/
1298 static void FreePicture( vout_thread_t *p_vout, picture_t *p_pic )
1299 {
1300     /* The order of operations is correct */
1301 #ifdef HAVE_SYS_SHM_H
1302     if( p_vout->p_sys->b_shm )
1303     {
1304         XShmDetach( p_vout->p_sys->p_display, &p_pic->p_sys->shminfo );
1305         IMAGE_FREE( p_pic->p_sys->p_image );
1306
1307         shmctl( p_pic->p_sys->shminfo.shmid, IPC_RMID, 0 );
1308         if( shmdt( p_pic->p_sys->shminfo.shmaddr ) )
1309         {
1310             msg_Err( p_vout, "cannot detach shared memory (%s)",
1311                              strerror(errno) );
1312         }
1313     }
1314     else
1315 #endif
1316     {
1317         IMAGE_FREE( p_pic->p_sys->p_image );
1318     }
1319
1320     /* Do NOT use XFlush here ! */
1321     XSync( p_vout->p_sys->p_display, False );
1322
1323     free( p_pic->p_sys );
1324 }
1325
1326 /*****************************************************************************
1327  * ToggleFullScreen: Enable or disable full screen mode
1328  *****************************************************************************
1329  * This function will switch between fullscreen and window mode.
1330  *****************************************************************************/
1331 static void ToggleFullScreen ( vout_thread_t *p_vout )
1332 {
1333     Atom prop;
1334     XEvent xevent;
1335     mwmhints_t mwmhints;
1336     XSetWindowAttributes attributes;
1337
1338     p_vout->b_fullscreen = !p_vout->b_fullscreen;
1339
1340     if( p_vout->b_fullscreen )
1341     {
1342         msg_Dbg( p_vout, "entering fullscreen mode" );
1343
1344         p_vout->p_sys->b_altfullscreen =
1345             config_GetInt( p_vout, MODULE_STRING "-altfullscreen" );
1346
1347         if( p_vout->p_sys->p_win->b_owned )
1348         {
1349             XUnmapWindow( p_vout->p_sys->p_display,
1350                           p_vout->p_sys->p_win->base_window);
1351         }
1352
1353         p_vout->p_sys->p_win = &p_vout->p_sys->fullscreen_window;
1354
1355         /* fullscreen window size and position */
1356         p_vout->p_sys->p_win->i_width =
1357             DisplayWidth( p_vout->p_sys->p_display, p_vout->p_sys->i_screen );
1358         p_vout->p_sys->p_win->i_height =
1359             DisplayHeight( p_vout->p_sys->p_display, p_vout->p_sys->i_screen );
1360
1361         CreateWindow( p_vout, p_vout->p_sys->p_win );
1362
1363         /* To my knowledge there are two ways to create a borderless window.
1364          * There's the generic way which is to tell x to bypass the window
1365          * manager, but this creates problems with the focus of other
1366          * applications.
1367          * The other way is to use the motif property "_MOTIF_WM_HINTS" which
1368          * luckily seems to be supported by most window managers. */
1369         if( !p_vout->p_sys->b_altfullscreen )
1370         {
1371             mwmhints.flags = MWM_HINTS_DECORATIONS;
1372             mwmhints.decorations = False;
1373
1374             prop = XInternAtom( p_vout->p_sys->p_display, "_MOTIF_WM_HINTS",
1375                                 False );
1376             XChangeProperty( p_vout->p_sys->p_display,
1377                              p_vout->p_sys->p_win->base_window,
1378                              prop, prop, 32, PropModeReplace,
1379                              (unsigned char *)&mwmhints,
1380                              PROP_MWM_HINTS_ELEMENTS );
1381         }
1382         else
1383         {
1384             /* brute force way to remove decorations */
1385             attributes.override_redirect = True;
1386             XChangeWindowAttributes( p_vout->p_sys->p_display,
1387                                      p_vout->p_sys->p_win->base_window,
1388                                      CWOverrideRedirect,
1389                                      &attributes);
1390         }
1391
1392         /* Make sure the change is effective */
1393         XReparentWindow( p_vout->p_sys->p_display,
1394                          p_vout->p_sys->p_win->base_window,
1395                          DefaultRootWindow( p_vout->p_sys->p_display ),
1396                          0, 0 );
1397
1398         /* fullscreen window size and position */
1399         p_vout->p_sys->p_win->i_width =
1400             DisplayWidth( p_vout->p_sys->p_display, p_vout->p_sys->i_screen );
1401         p_vout->p_sys->p_win->i_height =
1402             DisplayHeight( p_vout->p_sys->p_display, p_vout->p_sys->i_screen );
1403
1404         XMoveResizeWindow( p_vout->p_sys->p_display,
1405                            p_vout->p_sys->p_win->base_window,
1406                            0, 0,
1407                            p_vout->p_sys->p_win->i_width,
1408                            p_vout->p_sys->p_win->i_height );
1409     }
1410     else
1411     {
1412         msg_Dbg( p_vout, "leaving fullscreen mode" );
1413         DestroyWindow( p_vout, &p_vout->p_sys->fullscreen_window );
1414         p_vout->p_sys->p_win = &p_vout->p_sys->original_window;
1415
1416         if( p_vout->p_sys->p_win->b_owned )
1417         {
1418             XMapWindow( p_vout->p_sys->p_display,
1419                         p_vout->p_sys->p_win->base_window);
1420         }
1421     }
1422
1423     /* Unfortunately, using XSync() here is not enough to ensure the
1424      * window has already been mapped because the XMapWindow() request
1425      * has not necessarily been sent directly to our window (remember,
1426      * the call is first redirected to the window manager) */
1427     if( p_vout->p_sys->p_win->b_owned )
1428     {
1429         do
1430         {
1431             XWindowEvent( p_vout->p_sys->p_display,
1432                           p_vout->p_sys->p_win->base_window,
1433                           StructureNotifyMask, &xevent );
1434         } while( xevent.type != MapNotify );
1435     }
1436     else
1437     {
1438         XSync( p_vout->p_sys->p_display, False );
1439     }
1440
1441     /* Becareful, this can generate a BadMatch error if the window is not
1442      * already mapped by the server (see above) */
1443     XSetInputFocus(p_vout->p_sys->p_display,
1444                    p_vout->p_sys->p_win->base_window,
1445                    RevertToParent,
1446                    CurrentTime);
1447
1448     /* signal that the size needs to be updated */
1449     p_vout->i_changes |= VOUT_SIZE_CHANGE;
1450 }
1451
1452 /*****************************************************************************
1453  * EnableXScreenSaver: enable screen saver
1454  *****************************************************************************
1455  * This function enables the screen saver on a display after it has been
1456  * disabled by XDisableScreenSaver.
1457  * FIXME: what happens if multiple vlc sessions are running at the same
1458  *        time ???
1459  *****************************************************************************/
1460 static void EnableXScreenSaver( vout_thread_t *p_vout )
1461 {
1462 #ifdef DPMSINFO_IN_DPMS_H
1463     int dummy;
1464 #endif
1465
1466     if( p_vout->p_sys->i_ss_timeout )
1467     {
1468         XSetScreenSaver( p_vout->p_sys->p_display, p_vout->p_sys->i_ss_timeout,
1469                          p_vout->p_sys->i_ss_interval,
1470                          p_vout->p_sys->i_ss_blanking,
1471                          p_vout->p_sys->i_ss_exposure );
1472     }
1473
1474     /* Restore DPMS settings */
1475 #ifdef DPMSINFO_IN_DPMS_H
1476     if( DPMSQueryExtension( p_vout->p_sys->p_display, &dummy, &dummy ) )
1477     {
1478         if( p_vout->p_sys->b_ss_dpms )
1479         {
1480             DPMSEnable( p_vout->p_sys->p_display );
1481         }
1482     }
1483 #endif
1484 }
1485
1486 /*****************************************************************************
1487  * DisableXScreenSaver: disable screen saver
1488  *****************************************************************************
1489  * See XEnableXScreenSaver
1490  *****************************************************************************/
1491 static void DisableXScreenSaver( vout_thread_t *p_vout )
1492 {
1493 #ifdef DPMSINFO_IN_DPMS_H
1494     int dummy;
1495 #endif
1496
1497     /* Save screen saver informations */
1498     XGetScreenSaver( p_vout->p_sys->p_display, &p_vout->p_sys->i_ss_timeout,
1499                      &p_vout->p_sys->i_ss_interval,
1500                      &p_vout->p_sys->i_ss_blanking,
1501                      &p_vout->p_sys->i_ss_exposure );
1502
1503     /* Disable screen saver */
1504     if( p_vout->p_sys->i_ss_timeout )
1505     {
1506         XSetScreenSaver( p_vout->p_sys->p_display, 0,
1507                          p_vout->p_sys->i_ss_interval,
1508                          p_vout->p_sys->i_ss_blanking,
1509                          p_vout->p_sys->i_ss_exposure );
1510     }
1511
1512     /* Disable DPMS */
1513 #ifdef DPMSINFO_IN_DPMS_H
1514     if( DPMSQueryExtension( p_vout->p_sys->p_display, &dummy, &dummy ) )
1515     {
1516         CARD16 unused;
1517         /* Save DPMS current state */
1518         DPMSInfo( p_vout->p_sys->p_display, &unused,
1519                   &p_vout->p_sys->b_ss_dpms );
1520         DPMSDisable( p_vout->p_sys->p_display );
1521    }
1522 #endif
1523 }
1524
1525 /*****************************************************************************
1526  * CreateCursor: create a blank mouse pointer
1527  *****************************************************************************/
1528 static void CreateCursor( vout_thread_t *p_vout )
1529 {
1530     XColor cursor_color;
1531
1532     p_vout->p_sys->cursor_pixmap =
1533         XCreatePixmap( p_vout->p_sys->p_display,
1534                        DefaultRootWindow( p_vout->p_sys->p_display ),
1535                        1, 1, 1 );
1536
1537     XParseColor( p_vout->p_sys->p_display,
1538                  XCreateColormap( p_vout->p_sys->p_display,
1539                                   DefaultRootWindow(
1540                                                     p_vout->p_sys->p_display ),
1541                                   DefaultVisual(
1542                                                 p_vout->p_sys->p_display,
1543                                                 p_vout->p_sys->i_screen ),
1544                                   AllocNone ),
1545                  "black", &cursor_color );
1546
1547     p_vout->p_sys->blank_cursor =
1548         XCreatePixmapCursor( p_vout->p_sys->p_display,
1549                              p_vout->p_sys->cursor_pixmap,
1550                              p_vout->p_sys->cursor_pixmap,
1551                              &cursor_color, &cursor_color, 1, 1 );
1552 }
1553
1554 /*****************************************************************************
1555  * DestroyCursor: destroy the blank mouse pointer
1556  *****************************************************************************/
1557 static void DestroyCursor( vout_thread_t *p_vout )
1558 {
1559     XFreePixmap( p_vout->p_sys->p_display, p_vout->p_sys->cursor_pixmap );
1560 }
1561
1562 /*****************************************************************************
1563  * ToggleCursor: hide or show the mouse pointer
1564  *****************************************************************************
1565  * This function hides the X pointer if it is visible by setting the pointer
1566  * sprite to a blank one. To show it again, we disable the sprite.
1567  *****************************************************************************/
1568 static void ToggleCursor( vout_thread_t *p_vout )
1569 {
1570     if( p_vout->p_sys->b_mouse_pointer_visible )
1571     {
1572         XDefineCursor( p_vout->p_sys->p_display,
1573                        p_vout->p_sys->p_win->base_window,
1574                        p_vout->p_sys->blank_cursor );
1575         p_vout->p_sys->b_mouse_pointer_visible = 0;
1576     }
1577     else
1578     {
1579         XUndefineCursor( p_vout->p_sys->p_display,
1580                          p_vout->p_sys->p_win->base_window );
1581         p_vout->p_sys->b_mouse_pointer_visible = 1;
1582     }
1583 }
1584
1585 #ifdef MODULE_NAME_IS_xvideo
1586 /*****************************************************************************
1587  * XVideoGetPort: get YUV12 port
1588  *****************************************************************************/
1589 static int XVideoGetPort( vout_thread_t *p_vout,
1590                           vlc_fourcc_t i_chroma, vlc_fourcc_t *pi_newchroma )
1591 {
1592     XvAdaptorInfo *p_adaptor;
1593     unsigned int i;
1594     int i_adaptor, i_num_adaptors, i_requested_adaptor;
1595     int i_selected_port;
1596
1597     switch( XvQueryExtension( p_vout->p_sys->p_display, &i, &i, &i, &i, &i ) )
1598     {
1599         case Success:
1600             break;
1601
1602         case XvBadExtension:
1603             msg_Warn( p_vout, "XvBadExtension" );
1604             return -1;
1605
1606         case XvBadAlloc:
1607             msg_Warn( p_vout, "XvBadAlloc" );
1608             return -1;
1609
1610         default:
1611             msg_Warn( p_vout, "XvQueryExtension failed" );
1612             return -1;
1613     }
1614
1615     switch( XvQueryAdaptors( p_vout->p_sys->p_display,
1616                              DefaultRootWindow( p_vout->p_sys->p_display ),
1617                              &i_num_adaptors, &p_adaptor ) )
1618     {
1619         case Success:
1620             break;
1621
1622         case XvBadExtension:
1623             msg_Warn( p_vout, "XvBadExtension for XvQueryAdaptors" );
1624             return -1;
1625
1626         case XvBadAlloc:
1627             msg_Warn( p_vout, "XvBadAlloc for XvQueryAdaptors" );
1628             return -1;
1629
1630         default:
1631             msg_Warn( p_vout, "XvQueryAdaptors failed" );
1632             return -1;
1633     }
1634
1635     i_selected_port = -1;
1636     i_requested_adaptor = config_GetInt( p_vout, "xvideo-adaptor" );
1637
1638     for( i_adaptor = 0; i_adaptor < i_num_adaptors; ++i_adaptor )
1639     {
1640         XvImageFormatValues *p_formats;
1641         int i_format, i_num_formats;
1642         int i_port;
1643
1644         /* If we requested an adaptor and it's not this one, we aren't
1645          * interested */
1646         if( i_requested_adaptor != -1 && i_adaptor != i_requested_adaptor )
1647         {
1648             continue;
1649         }
1650
1651         /* If the adaptor doesn't have the required properties, skip it */
1652         if( !( p_adaptor[ i_adaptor ].type & XvInputMask ) ||
1653             !( p_adaptor[ i_adaptor ].type & XvImageMask ) )
1654         {
1655             continue;
1656         }
1657
1658         /* Check that adaptor supports our requested format... */
1659         p_formats = XvListImageFormats( p_vout->p_sys->p_display,
1660                                         p_adaptor[i_adaptor].base_id,
1661                                         &i_num_formats );
1662
1663         for( i_format = 0;
1664              i_format < i_num_formats && ( i_selected_port == -1 );
1665              i_format++ )
1666         {
1667             /* Code removed, we can get this through xvinfo anyway */
1668 #if 0
1669             XvEncodingInfo  *p_enc;
1670             int             i_enc, i_num_encodings;
1671             XvAttribute     *p_attr;
1672             int             i_attr, i_num_attributes;
1673 #endif
1674
1675             /* If this is not the format we want, or at least a
1676              * similar one, forget it */
1677             if( !vout_ChromaCmp( p_formats[ i_format ].id, i_chroma ) )
1678             {
1679                 continue;
1680             }
1681
1682             /* Look for the first available port supporting this format */
1683             for( i_port = p_adaptor[i_adaptor].base_id;
1684                  ( i_port < (int)(p_adaptor[i_adaptor].base_id
1685                                    + p_adaptor[i_adaptor].num_ports) )
1686                    && ( i_selected_port == -1 );
1687                  i_port++ )
1688             {
1689                 if( XvGrabPort( p_vout->p_sys->p_display, i_port, CurrentTime )
1690                      == Success )
1691                 {
1692                     i_selected_port = i_port;
1693                     *pi_newchroma = p_formats[ i_format ].id;
1694                 }
1695             }
1696
1697             /* If no free port was found, forget it */
1698             if( i_selected_port == -1 )
1699             {
1700                 continue;
1701             }
1702
1703             /* If we found a port, print information about it */
1704             msg_Dbg( p_vout, "adaptor %i, port %i, format 0x%x (%4.4s) %s",
1705                      i_adaptor, i_selected_port, p_formats[ i_format ].id,
1706                      (char *)&p_formats[ i_format ].id,
1707                      ( p_formats[ i_format ].format == XvPacked ) ?
1708                          "packed" : "planar" );
1709
1710 #if 0
1711             msg_Dbg( p_vout, " encoding list:" );
1712
1713             if( XvQueryEncodings( p_vout->p_sys->p_display, i_selected_port,
1714                                   &i_num_encodings, &p_enc )
1715                  != Success )
1716             {
1717                 msg_Dbg( p_vout, "  XvQueryEncodings failed" );
1718                 continue;
1719             }
1720
1721             for( i_enc = 0; i_enc < i_num_encodings; i_enc++ )
1722             {
1723                 msg_Dbg( p_vout, "  id=%ld, name=%s, size=%ldx%ld,"
1724                                       " numerator=%d, denominator=%d",
1725                              p_enc[i_enc].encoding_id, p_enc[i_enc].name,
1726                              p_enc[i_enc].width, p_enc[i_enc].height,
1727                              p_enc[i_enc].rate.numerator,
1728                              p_enc[i_enc].rate.denominator );
1729             }
1730
1731             if( p_enc != NULL )
1732             {
1733                 XvFreeEncodingInfo( p_enc );
1734             }
1735
1736             msg_Dbg( p_vout, " attribute list:" );
1737             p_attr = XvQueryPortAttributes( p_vout->p_sys->p_display,
1738                                             i_selected_port,
1739                                             &i_num_attributes );
1740             for( i_attr = 0; i_attr < i_num_attributes; i_attr++ )
1741             {
1742                 msg_Dbg( p_vout, "  name=%s, flags=[%s%s ], min=%i, max=%i",
1743                       p_attr[i_attr].name,
1744                       (p_attr[i_attr].flags & XvGettable) ? " get" : "",
1745                       (p_attr[i_attr].flags & XvSettable) ? " set" : "",
1746                       p_attr[i_attr].min_value, p_attr[i_attr].max_value );
1747             }
1748
1749             if( p_attr != NULL )
1750             {
1751                 XFree( p_attr );
1752             }
1753 #endif
1754         }
1755
1756         if( p_formats != NULL )
1757         {
1758             XFree( p_formats );
1759         }
1760
1761     }
1762
1763     if( i_num_adaptors > 0 )
1764     {
1765         XvFreeAdaptorInfo( p_adaptor );
1766     }
1767
1768     if( i_selected_port == -1 )
1769     {
1770         if( i_requested_adaptor == -1 )
1771         {
1772             msg_Warn( p_vout, "no free XVideo port found for format "
1773                        "0x%.8x (%4.4s)", i_chroma, (char*)&i_chroma );
1774         }
1775         else
1776         {
1777             msg_Warn( p_vout, "XVideo adaptor %i does not have a free "
1778                        "XVideo port for format 0x%.8x (%4.4s)",
1779                        i_requested_adaptor, i_chroma, (char*)&i_chroma );
1780         }
1781     }
1782
1783     return i_selected_port;
1784 }
1785
1786 /*****************************************************************************
1787  * XVideoReleasePort: release YUV12 port
1788  *****************************************************************************/
1789 static void XVideoReleasePort( vout_thread_t *p_vout, int i_port )
1790 {
1791     XvUngrabPort( p_vout->p_sys->p_display, i_port, CurrentTime );
1792 }
1793 #endif
1794
1795 /*****************************************************************************
1796  * InitDisplay: open and initialize X11 device
1797  *****************************************************************************
1798  * Create a window according to video output given size, and set other
1799  * properties according to the display properties.
1800  *****************************************************************************/
1801 static int InitDisplay( vout_thread_t *p_vout )
1802 {
1803 #ifdef MODULE_NAME_IS_x11
1804     XPixmapFormatValues *       p_formats;                 /* pixmap formats */
1805     XVisualInfo *               p_xvisual;           /* visuals informations */
1806     XVisualInfo                 xvisual_template;         /* visual template */
1807     int                         i_count;                       /* array size */
1808 #endif
1809
1810 #ifdef HAVE_SYS_SHM_H
1811     p_vout->p_sys->b_shm = 0;
1812
1813     if( config_GetInt( p_vout, MODULE_STRING "-shm" ) )
1814     {
1815 #   ifdef SYS_DARWIN
1816         /* FIXME: As of 2001-03-16, XFree4 for MacOS X does not support Xshm */
1817 #   else
1818         p_vout->p_sys->b_shm =
1819                   ( XShmQueryExtension( p_vout->p_sys->p_display ) == True );
1820 #   endif
1821
1822         if( !p_vout->p_sys->b_shm )
1823         {
1824             msg_Warn( p_vout, "XShm video extension is unavailable" );
1825         }
1826     }
1827     else
1828     {
1829         msg_Dbg( p_vout, "disabling XShm video extension" );
1830     }
1831
1832 #else
1833     msg_Warn( p_vout, "XShm video extension is unavailable" );
1834
1835 #endif
1836
1837 #ifdef MODULE_NAME_IS_xvideo
1838     /* XXX The brightness and contrast values should be read from environment
1839      * XXX variables... */
1840 #if 0
1841     XVideoSetAttribute( p_vout, "XV_BRIGHTNESS", 0.5 );
1842     XVideoSetAttribute( p_vout, "XV_CONTRAST",   0.5 );
1843 #endif
1844 #endif
1845
1846 #ifdef MODULE_NAME_IS_x11
1847     /* Initialize structure */
1848     p_vout->p_sys->i_screen = DefaultScreen( p_vout->p_sys->p_display );
1849
1850     /* Get screen depth */
1851     p_vout->p_sys->i_screen_depth = XDefaultDepth( p_vout->p_sys->p_display,
1852                                                    p_vout->p_sys->i_screen );
1853     switch( p_vout->p_sys->i_screen_depth )
1854     {
1855     case 8:
1856         /*
1857          * Screen depth is 8bpp. Use PseudoColor visual with private colormap.
1858          */
1859         xvisual_template.screen =   p_vout->p_sys->i_screen;
1860         xvisual_template.class =    DirectColor;
1861         p_xvisual = XGetVisualInfo( p_vout->p_sys->p_display,
1862                                     VisualScreenMask | VisualClassMask,
1863                                     &xvisual_template, &i_count );
1864         if( p_xvisual == NULL )
1865         {
1866             msg_Err( p_vout, "no PseudoColor visual available" );
1867             return VLC_EGENERIC;
1868         }
1869         p_vout->p_sys->i_bytes_per_pixel = 1;
1870         p_vout->output.pf_setpalette = SetPalette;
1871         break;
1872     case 15:
1873     case 16:
1874     case 24:
1875     default:
1876         /*
1877          * Screen depth is higher than 8bpp. TrueColor visual is used.
1878          */
1879         xvisual_template.screen =   p_vout->p_sys->i_screen;
1880         xvisual_template.class =    TrueColor;
1881         p_xvisual = XGetVisualInfo( p_vout->p_sys->p_display,
1882                                     VisualScreenMask | VisualClassMask,
1883                                     &xvisual_template, &i_count );
1884         if( p_xvisual == NULL )
1885         {
1886             msg_Err( p_vout, "no TrueColor visual available" );
1887             return VLC_EGENERIC;
1888         }
1889
1890         p_vout->output.i_rmask = p_xvisual->red_mask;
1891         p_vout->output.i_gmask = p_xvisual->green_mask;
1892         p_vout->output.i_bmask = p_xvisual->blue_mask;
1893
1894         /* There is no difference yet between 3 and 4 Bpp. The only way
1895          * to find the actual number of bytes per pixel is to list supported
1896          * pixmap formats. */
1897         p_formats = XListPixmapFormats( p_vout->p_sys->p_display, &i_count );
1898         p_vout->p_sys->i_bytes_per_pixel = 0;
1899
1900         for( ; i_count-- ; p_formats++ )
1901         {
1902             /* Under XFree4.0, the list contains pixmap formats available
1903              * through all video depths ; so we have to check against current
1904              * depth. */
1905             if( p_formats->depth == (int)p_vout->p_sys->i_screen_depth )
1906             {
1907                 if( p_formats->bits_per_pixel / 8
1908                         > (int)p_vout->p_sys->i_bytes_per_pixel )
1909                 {
1910                     p_vout->p_sys->i_bytes_per_pixel =
1911                                                p_formats->bits_per_pixel / 8;
1912                 }
1913             }
1914         }
1915         break;
1916     }
1917     p_vout->p_sys->p_visual = p_xvisual->visual;
1918     XFree( p_xvisual );
1919 #endif
1920
1921     return VLC_SUCCESS;
1922 }
1923
1924 #ifdef HAVE_SYS_SHM_H
1925 /*****************************************************************************
1926  * CreateShmImage: create an XImage or XvImage using shared memory extension
1927  *****************************************************************************
1928  * Prepare an XImage or XvImage for display function.
1929  * The order of the operations respects the recommandations of the mit-shm
1930  * document by J.Corbet and K.Packard. Most of the parameters were copied from
1931  * there. See http://ftp.xfree86.org/pub/XFree86/4.0/doc/mit-shm.TXT
1932  *****************************************************************************/
1933 static IMAGE_TYPE * CreateShmImage( vout_thread_t *p_vout,
1934                                     Display* p_display, EXTRA_ARGS_SHM,
1935                                     int i_width, int i_height )
1936 {
1937     IMAGE_TYPE *p_image;
1938
1939     /* Create XImage / XvImage */
1940 #ifdef MODULE_NAME_IS_xvideo
1941     p_image = XvShmCreateImage( p_display, i_xvport, i_chroma, 0,
1942                                 i_width, i_height, p_shm );
1943 #else
1944     p_image = XShmCreateImage( p_display, p_visual, i_depth, ZPixmap, 0,
1945                                p_shm, i_width, i_height );
1946 #endif
1947     if( p_image == NULL )
1948     {
1949         msg_Err( p_vout, "image creation failed" );
1950         return NULL;
1951     }
1952
1953     /* Allocate shared memory segment - 0776 set the access permission
1954      * rights (like umask), they are not yet supported by all X servers */
1955     p_shm->shmid = shmget( IPC_PRIVATE, DATA_SIZE(p_image), IPC_CREAT | 0776 );
1956     if( p_shm->shmid < 0 )
1957     {
1958         msg_Err( p_vout, "cannot allocate shared image data (%s)",
1959                          strerror( errno ) );
1960         IMAGE_FREE( p_image );
1961         return NULL;
1962     }
1963
1964     /* Attach shared memory segment to process (read/write) */
1965     p_shm->shmaddr = p_image->data = shmat( p_shm->shmid, 0, 0 );
1966     if(! p_shm->shmaddr )
1967     {
1968         msg_Err( p_vout, "cannot attach shared memory (%s)",
1969                          strerror(errno));
1970         IMAGE_FREE( p_image );
1971         shmctl( p_shm->shmid, IPC_RMID, 0 );
1972         return NULL;
1973     }
1974
1975     /* Read-only data. We won't be using XShmGetImage */
1976     p_shm->readOnly = True;
1977
1978     /* Attach shared memory segment to X server */
1979     if( XShmAttach( p_display, p_shm ) == False )
1980     {
1981         msg_Err( p_vout, "cannot attach shared memory to X server" );
1982         IMAGE_FREE( p_image );
1983         shmctl( p_shm->shmid, IPC_RMID, 0 );
1984         shmdt( p_shm->shmaddr );
1985         return NULL;
1986     }
1987
1988     /* Send image to X server. This instruction is required, since having
1989      * built a Shm XImage and not using it causes an error on XCloseDisplay,
1990      * and remember NOT to use XFlush ! */
1991     XSync( p_display, False );
1992
1993 #if 0
1994     /* Mark the shm segment to be removed when there are no more
1995      * attachements, so it is automatic on process exit or after shmdt */
1996     shmctl( p_shm->shmid, IPC_RMID, 0 );
1997 #endif
1998
1999     return p_image;
2000 }
2001 #endif
2002
2003 /*****************************************************************************
2004  * CreateImage: create an XImage or XvImage
2005  *****************************************************************************
2006  * Create a simple image used as a buffer.
2007  *****************************************************************************/
2008 static IMAGE_TYPE * CreateImage( vout_thread_t *p_vout,
2009                                  Display *p_display, EXTRA_ARGS,
2010                                  int i_width, int i_height )
2011 {
2012     byte_t *    p_data;                           /* image data storage zone */
2013     IMAGE_TYPE *p_image;
2014 #ifdef MODULE_NAME_IS_x11
2015     int         i_quantum;                     /* XImage quantum (see below) */
2016     int         i_bytes_per_line;
2017 #endif
2018
2019     /* Allocate memory for image */
2020 #ifdef MODULE_NAME_IS_xvideo
2021     p_data = (byte_t *) malloc( i_width * i_height * 2 ); /* XXX */
2022 #else
2023     i_bytes_per_line = i_width * i_bytes_per_pixel;
2024     p_data = (byte_t *) malloc( i_bytes_per_line * i_height );
2025 #endif
2026     if( !p_data )
2027     {
2028         msg_Err( p_vout, "out of memory" );
2029         return NULL;
2030     }
2031
2032 #ifdef MODULE_NAME_IS_x11
2033     /* Optimize the quantum of a scanline regarding its size - the quantum is
2034        a diviser of the number of bits between the start of two scanlines. */
2035     if( i_bytes_per_line & 0xf )
2036     {
2037         i_quantum = 0x8;
2038     }
2039     else if( i_bytes_per_line & 0x10 )
2040     {
2041         i_quantum = 0x10;
2042     }
2043     else
2044     {
2045         i_quantum = 0x20;
2046     }
2047 #endif
2048
2049     /* Create XImage. p_data will be automatically freed */
2050 #ifdef MODULE_NAME_IS_xvideo
2051     p_image = XvCreateImage( p_display, i_xvport, i_chroma,
2052                              p_data, i_width, i_height );
2053 #else
2054     p_image = XCreateImage( p_display, p_visual, i_depth, ZPixmap, 0,
2055                             p_data, i_width, i_height, i_quantum, 0 );
2056 #endif
2057     if( p_image == NULL )
2058     {
2059         msg_Err( p_vout, "XCreateImage() failed" );
2060         free( p_data );
2061         return NULL;
2062     }
2063
2064     return p_image;
2065 }
2066
2067 #ifdef MODULE_NAME_IS_x11
2068 /*****************************************************************************
2069  * SetPalette: sets an 8 bpp palette
2070  *****************************************************************************
2071  * This function sets the palette given as an argument. It does not return
2072  * anything, but could later send information on which colors it was unable
2073  * to set.
2074  *****************************************************************************/
2075 static void SetPalette( vout_thread_t *p_vout,
2076                         uint16_t *red, uint16_t *green, uint16_t *blue )
2077 {
2078     int i;
2079     XColor p_colors[255];
2080
2081     /* allocate palette */
2082     for( i = 0; i < 255; i++ )
2083     {
2084         /* kludge: colors are indexed reversely because color 255 seems
2085          * to be reserved for black even if we try to set it to white */
2086         p_colors[ i ].pixel = 255 - i;
2087         p_colors[ i ].pad   = 0;
2088         p_colors[ i ].flags = DoRed | DoGreen | DoBlue;
2089         p_colors[ i ].red   = red[ 255 - i ];
2090         p_colors[ i ].blue  = blue[ 255 - i ];
2091         p_colors[ i ].green = green[ 255 - i ];
2092     }
2093
2094     XStoreColors( p_vout->p_sys->p_display,
2095                   p_vout->p_sys->colormap, p_colors, 255 );
2096 }
2097 #endif