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 1.15 2003/05/05 16:09:38 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         ToggleFullScreen( p_vout );
 778         p_vout->i_changes &= ~VOUT_FULLSCREEN_CHANGE;
 779     }
 780
 781     /*
 782      * Size change
 783      *
 784      * (Needs to be placed after VOUT_FULLSREEN_CHANGE because we can activate
 785      *  the size flag inside the fullscreen routine)
 786      */
 787     if( p_vout->i_changes & VOUT_SIZE_CHANGE )
 788     {
 789         int i_width, i_height, i_x, i_y;
 790
 791         p_vout->i_changes &= ~VOUT_SIZE_CHANGE;
 792
 793 #ifdef MODULE_NAME_IS_x11
 794         /* We need to signal the vout thread about the size change because it
 795          * is doing the rescaling */
 796         p_vout->i_changes |= VOUT_SIZE_CHANGE;
 797 #endif
 798
 799         vout_PlacePicture( p_vout, p_vout->p_sys->p_win->i_width,
 800                            p_vout->p_sys->p_win->i_height,
 801                            &i_x, &i_y, &i_width, &i_height );
 802
 803         XResizeWindow( p_vout->p_sys->p_display,
 804                        p_vout->p_sys->p_win->video_window, i_width, i_height );
 805
 806         XMoveWindow( p_vout->p_sys->p_display,
 807                      p_vout->p_sys->p_win->video_window, i_x, i_y );
 808     }
 809
 810     /* Autohide Cursour */
 811     if( mdate() - p_vout->p_sys->i_time_mouse_last_moved > 2000000 )
 812     {
 813         /* Hide the mouse automatically */
 814         if( p_vout->p_sys->b_mouse_pointer_visible )
 815         {
 816             ToggleCursor( p_vout );
 817         }
 818     }
 819
 820     return 0;
 821 }
 822
 823 /*****************************************************************************
 824  * EndVideo: terminate X11 video thread output method
 825  *****************************************************************************
 826  * Destroy the X11 XImages created by Init. It is called at the end of
 827  * the thread, but also each time the window is resized.
 828  *****************************************************************************/
 829 static void EndVideo( vout_thread_t *p_vout )
 830 {
 831     int i_index;
 832
 833     /* Free the direct buffers we allocated */
 834     for( i_index = I_OUTPUTPICTURES ; i_index ; )
 835     {
 836         i_index--;
 837         FreePicture( p_vout, PP_OUTPUTPICTURE[ i_index ] );
 838     }
 839 }
 840
 841 /* following functions are local */
 842
 843 /*****************************************************************************
 844  * CreateWindow: open and set-up X11 main window
 845  *****************************************************************************/
 846 static int CreateWindow( vout_thread_t *p_vout, x11_window_t *p_win )
 847 {
 848     XSizeHints              xsize_hints;
 849     XSetWindowAttributes    xwindow_attributes;
 850     XGCValues               xgcvalues;
 851     XEvent                  xevent;
 852
 853     vlc_bool_t              b_expose;
 854     vlc_bool_t              b_configure_notify;
 855     vlc_bool_t              b_map_notify;
 856
 857     vlc_value_t             val;
 858     long long int           i_drawable;
 859
 860     /* Prepare window manager hints and properties */
 861     xsize_hints.base_width          = p_win->i_width;
 862     xsize_hints.base_height         = p_win->i_height;
 863     xsize_hints.flags               = PSize;
 864     p_win->wm_protocols =
 865              XInternAtom( p_vout->p_sys->p_display, "WM_PROTOCOLS", True );
 866     p_win->wm_delete_window =
 867              XInternAtom( p_vout->p_sys->p_display, "WM_DELETE_WINDOW", True );
 868
 869     /* Prepare window attributes */
 870     xwindow_attributes.backing_store = Always;       /* save the hidden part */
 871     xwindow_attributes.background_pixel = BlackPixel(p_vout->p_sys->p_display,
 872                                                      p_vout->p_sys->i_screen);
 873     xwindow_attributes.event_mask = ExposureMask | StructureNotifyMask;
 874
 875     /* Check whether someone provided us with a window ID */
 876     var_Get( p_vout->p_vlc, "drawable", &val );
 877     i_drawable = p_vout->b_fullscreen ? 0 : val.i_int;
 878
 879     if( !i_drawable )
 880     {
 881         p_win->b_owned = VLC_TRUE;
 882
 883         /* Create the window and set hints - the window must receive
 884          * ConfigureNotify events, and until it is displayed, Expose and
 885          * MapNotify events. */
 886
 887         p_win->base_window =
 888             XCreateWindow( p_vout->p_sys->p_display,
 889                            DefaultRootWindow( p_vout->p_sys->p_display ),
 890                            0, 0,
 891                            p_win->i_width, p_win->i_height,
 892                            0,
 893                            0, InputOutput, 0,
 894                            CWBackingStore | CWBackPixel | CWEventMask,
 895                            &xwindow_attributes );
 896
 897         if( !p_vout->b_fullscreen )
 898         {
 899             /* Set window manager hints and properties: size hints, command,
 900              * window's name, and accepted protocols */
 901             XSetWMNormalHints( p_vout->p_sys->p_display,
 902                                p_win->base_window, &xsize_hints );
 903             XSetCommand( p_vout->p_sys->p_display, p_win->base_window,
 904                          p_vout->p_vlc->ppsz_argv, p_vout->p_vlc->i_argc );
 905
 906             XStoreName( p_vout->p_sys->p_display, p_win->base_window,
 907 #ifdef MODULE_NAME_IS_x11
 908                         VOUT_TITLE " (X11 output)"
 909 #else
 910                         VOUT_TITLE " (XVideo output)"
 911 #endif
 912                       );
 913         }
 914     }
 915     else
 916     {
 917         p_win->b_owned = VLC_FALSE;
 918         p_win->base_window = i_drawable;
 919
 920         XChangeWindowAttributes( p_vout->p_sys->p_display,
 921                                  p_win->base_window,
 922                                  CWBackingStore | CWBackPixel | CWEventMask,
 923                                  &xwindow_attributes );
 924     }
 925
 926     if( (p_win->wm_protocols == None)        /* use WM_DELETE_WINDOW */
 927         || (p_win->wm_delete_window == None)
 928         || !XSetWMProtocols( p_vout->p_sys->p_display, p_win->base_window,
 929                              &p_win->wm_delete_window, 1 ) )
 930     {
 931         /* WM_DELETE_WINDOW is not supported by window manager */
 932         msg_Warn( p_vout, "missing or bad window manager" );
 933     }
 934
 935     /* Creation of a graphic context that doesn't generate a GraphicsExpose
 936      * event when using functions like XCopyArea */
 937     xgcvalues.graphics_exposures = False;
 938     p_win->gc = XCreateGC( p_vout->p_sys->p_display,
 939                            p_win->base_window,
 940                            GCGraphicsExposures, &xgcvalues );
 941
 942     if( p_win->b_owned )
 943     {
 944         /* Send orders to server, and wait until window is displayed - three
 945          * events must be received: a MapNotify event, an Expose event allowing
 946          * drawing in the window, and a ConfigureNotify to get the window
 947          * dimensions. Once those events have been received, only
 948          * ConfigureNotify events need to be received. */
 949         b_expose = 0;
 950         b_configure_notify = 0;
 951         b_map_notify = 0;
 952         XMapWindow( p_vout->p_sys->p_display, p_win->base_window );
 953         do
 954         {
 955             XNextEvent( p_vout->p_sys->p_display, &xevent);
 956             if( (xevent.type == Expose)
 957                 && (xevent.xexpose.window == p_win->base_window) )
 958             {
 959                 b_expose = 1;
 960             }
 961             else if( (xevent.type == MapNotify)
 962                      && (xevent.xmap.window == p_win->base_window) )
 963             {
 964                 b_map_notify = 1;
 965             }
 966             else if( (xevent.type == ConfigureNotify)
 967                      && (xevent.xconfigure.window == p_win->base_window) )
 968             {
 969                 b_configure_notify = 1;
 970                 p_win->i_width = xevent.xconfigure.width;
 971                 p_win->i_height = xevent.xconfigure.height;
 972             }
 973         } while( !( b_expose && b_configure_notify && b_map_notify ) );
 974     }
 975     else
 976     {
 977         /* Get the window's geometry information */
 978         Window dummy1;
 979         unsigned int dummy2, dummy3;
 980         XGetGeometry( p_vout->p_sys->p_display, p_win->base_window,
 981                       &dummy1, &dummy2, &dummy3,
 982                       &p_win->i_width,
 983                       &p_win->i_height,
 984                       &dummy2, &dummy3 );
 985     }
 986
 987     XSelectInput( p_vout->p_sys->p_display, p_win->base_window,
 988                   StructureNotifyMask | KeyPressMask |
 989                   ButtonPressMask | ButtonReleaseMask |
 990                   PointerMotionMask );
 991
 992 #ifdef MODULE_NAME_IS_x11
 993     if( p_win->b_owned &&
 994          XDefaultDepth(p_vout->p_sys->p_display, p_vout->p_sys->i_screen) == 8 )
 995     {
 996         /* Allocate a new palette */
 997         p_vout->p_sys->colormap =
 998             XCreateColormap( p_vout->p_sys->p_display,
 999                              DefaultRootWindow( p_vout->p_sys->p_display ),
1000                              DefaultVisual( p_vout->p_sys->p_display,
1001                                             p_vout->p_sys->i_screen ),
1002                              AllocAll );
1003
1004         xwindow_attributes.colormap = p_vout->p_sys->colormap;
1005         XChangeWindowAttributes( p_vout->p_sys->p_display, p_win->base_window,
1006                                  CWColormap, &xwindow_attributes );
1007     }
1008 #endif
1009
1010     /* Create video output sub-window. */
1011     p_win->video_window =  XCreateSimpleWindow(
1012                                       p_vout->p_sys->p_display,
1013                                       p_win->base_window, 0, 0,
1014                                       p_win->i_width, p_win->i_height,
1015                                       0,
1016                                       BlackPixel( p_vout->p_sys->p_display,
1017                                                   p_vout->p_sys->i_screen ),
1018                                       WhitePixel( p_vout->p_sys->p_display,
1019                                                   p_vout->p_sys->i_screen ) );
1020
1021     XSetWindowBackground( p_vout->p_sys->p_display, p_win->video_window,
1022                           BlackPixel( p_vout->p_sys->p_display,
1023                                       p_vout->p_sys->i_screen ) );
1024
1025     XMapWindow( p_vout->p_sys->p_display, p_win->video_window );
1026     XSelectInput( p_vout->p_sys->p_display, p_win->video_window,
1027                   ExposureMask );
1028
1029     /* make sure the video window will be centered in the next ManageVideo() */
1030     p_vout->i_changes |= VOUT_SIZE_CHANGE;
1031
1032     /* If the cursor was formerly blank than blank it again */
1033     if( !p_vout->p_sys->b_mouse_pointer_visible )
1034     {
1035         ToggleCursor( p_vout );
1036         ToggleCursor( p_vout );
1037     }
1038
1039     /* Do NOT use XFlush here ! */
1040     XSync( p_vout->p_sys->p_display, False );
1041
1042     /* At this stage, the window is open, displayed, and ready to
1043      * receive data */
1044     p_vout->p_sys->p_win = p_win;
1045
1046     return VLC_SUCCESS;
1047 }
1048
1049 /*****************************************************************************
1050  * DestroyWindow: destroy the window
1051  *****************************************************************************
1052  *
1053  *****************************************************************************/
1054 static void DestroyWindow( vout_thread_t *p_vout, x11_window_t *p_win )
1055 {
1056     /* Do NOT use XFlush here ! */
1057     XSync( p_vout->p_sys->p_display, False );
1058
1059     XDestroyWindow( p_vout->p_sys->p_display, p_win->video_window );
1060     XFreeGC( p_vout->p_sys->p_display, p_win->gc );
1061
1062     if( p_win->b_owned )
1063     {
1064         XUnmapWindow( p_vout->p_sys->p_display, p_win->base_window );
1065         XDestroyWindow( p_vout->p_sys->p_display, p_win->base_window );
1066     }
1067 }
1068
1069 /*****************************************************************************
1070  * NewPicture: allocate a picture
1071  *****************************************************************************
1072  * Returns 0 on success, -1 otherwise
1073  *****************************************************************************/
1074 static int NewPicture( vout_thread_t *p_vout, picture_t *p_pic )
1075 {
1076     /* We know the chroma, allocate a buffer which will be used
1077      * directly by the decoder */
1078     p_pic->p_sys = malloc( sizeof( picture_sys_t ) );
1079
1080     if( p_pic->p_sys == NULL )
1081     {
1082         return -1;
1083     }
1084
1085 #ifdef HAVE_SYS_SHM_H
1086     if( p_vout->p_sys->b_shm )
1087     {
1088         /* Create image using XShm extension */
1089         p_pic->p_sys->p_image =
1090             CreateShmImage( p_vout, p_vout->p_sys->p_display,
1091 #   ifdef MODULE_NAME_IS_xvideo
1092                             p_vout->p_sys->i_xvport, p_vout->output.i_chroma,
1093 #   else
1094                             p_vout->p_sys->p_visual,
1095                             p_vout->p_sys->i_screen_depth,
1096 #   endif
1097                             &p_pic->p_sys->shminfo,
1098                             p_vout->output.i_width, p_vout->output.i_height );
1099     }
1100     else
1101 #endif /* HAVE_SYS_SHM_H */
1102     {
1103         /* Create image without XShm extension */
1104         p_pic->p_sys->p_image =
1105             CreateImage( p_vout, p_vout->p_sys->p_display,
1106 #ifdef MODULE_NAME_IS_xvideo
1107                          p_vout->p_sys->i_xvport, p_vout->output.i_chroma,
1108 #else
1109                          p_vout->p_sys->p_visual,
1110                          p_vout->p_sys->i_screen_depth,
1111                          p_vout->p_sys->i_bytes_per_pixel,
1112 #endif
1113                          p_vout->output.i_width, p_vout->output.i_height );
1114     }
1115
1116     if( p_pic->p_sys->p_image == NULL )
1117     {
1118         free( p_pic->p_sys );
1119         return -1;
1120     }
1121
1122     switch( p_vout->output.i_chroma )
1123     {
1124 #ifdef MODULE_NAME_IS_xvideo
1125         case VLC_FOURCC('I','4','2','0'):
1126
1127             p_pic->Y_PIXELS = p_pic->p_sys->p_image->data
1128                                + p_pic->p_sys->p_image->offsets[0];
1129             p_pic->p[Y_PLANE].i_lines = p_vout->output.i_height;
1130             p_pic->p[Y_PLANE].i_pitch = p_pic->p_sys->p_image->pitches[0];
1131             p_pic->p[Y_PLANE].i_pixel_pitch = 1;
1132             p_pic->p[Y_PLANE].i_visible_pitch = p_vout->output.i_width;
1133
1134             p_pic->U_PIXELS = p_pic->p_sys->p_image->data
1135                                + p_pic->p_sys->p_image->offsets[1];
1136             p_pic->p[U_PLANE].i_lines = p_vout->output.i_height / 2;
1137             p_pic->p[U_PLANE].i_pitch = p_pic->p_sys->p_image->pitches[1];
1138             p_pic->p[U_PLANE].i_pixel_pitch = 1;
1139             p_pic->p[U_PLANE].i_visible_pitch = p_vout->output.i_width / 2;
1140
1141             p_pic->V_PIXELS = p_pic->p_sys->p_image->data
1142                                + p_pic->p_sys->p_image->offsets[2];
1143             p_pic->p[V_PLANE].i_lines = p_vout->output.i_height / 2;
1144             p_pic->p[V_PLANE].i_pitch = p_pic->p_sys->p_image->pitches[2];
1145             p_pic->p[V_PLANE].i_pixel_pitch = 1;
1146             p_pic->p[V_PLANE].i_visible_pitch = p_vout->output.i_width / 2;
1147
1148             p_pic->i_planes = 3;
1149             break;
1150
1151         case VLC_FOURCC('Y','V','1','2'):
1152
1153             p_pic->Y_PIXELS = p_pic->p_sys->p_image->data
1154                                + p_pic->p_sys->p_image->offsets[0];
1155             p_pic->p[Y_PLANE].i_lines = p_vout->output.i_height;
1156             p_pic->p[Y_PLANE].i_pitch = p_pic->p_sys->p_image->pitches[0];
1157             p_pic->p[Y_PLANE].i_pixel_pitch = 1;
1158             p_pic->p[Y_PLANE].i_visible_pitch = p_pic->p[Y_PLANE].i_pitch;
1159             p_pic->p[Y_PLANE].i_visible_pitch = p_vout->output.i_width;
1160
1161             p_pic->U_PIXELS = p_pic->p_sys->p_image->data
1162                                + p_pic->p_sys->p_image->offsets[2];
1163             p_pic->p[U_PLANE].i_lines = p_vout->output.i_height / 2;
1164             p_pic->p[U_PLANE].i_pitch = p_pic->p_sys->p_image->pitches[2];
1165             p_pic->p[U_PLANE].i_pixel_pitch = 1;
1166             p_pic->p[U_PLANE].i_visible_pitch = p_vout->output.i_width / 2;
1167
1168             p_pic->V_PIXELS = p_pic->p_sys->p_image->data
1169                                + p_pic->p_sys->p_image->offsets[1];
1170             p_pic->p[V_PLANE].i_lines = p_vout->output.i_height / 2;
1171             p_pic->p[V_PLANE].i_pitch = p_pic->p_sys->p_image->pitches[1];
1172             p_pic->p[V_PLANE].i_pixel_pitch = 1;
1173             p_pic->p[V_PLANE].i_visible_pitch = p_vout->output.i_width / 2;
1174
1175             p_pic->i_planes = 3;
1176             break;
1177
1178         case VLC_FOURCC('Y','2','1','1'):
1179
1180             p_pic->p->p_pixels = p_pic->p_sys->p_image->data
1181                                   + p_pic->p_sys->p_image->offsets[0];
1182             p_pic->p->i_lines = p_vout->output.i_height;
1183             /* XXX: this just looks so plain wrong... check it out ! */
1184             p_pic->p->i_pitch = p_pic->p_sys->p_image->pitches[0] / 4;
1185             p_pic->p->i_pixel_pitch = 4;
1186             p_pic->p->i_visible_pitch = p_vout->output.i_width * 4;
1187
1188             p_pic->i_planes = 1;
1189             break;
1190
1191         case VLC_FOURCC('Y','U','Y','2'):
1192         case VLC_FOURCC('U','Y','V','Y'):
1193
1194             p_pic->p->p_pixels = p_pic->p_sys->p_image->data
1195                                   + p_pic->p_sys->p_image->offsets[0];
1196             p_pic->p->i_lines = p_vout->output.i_height;
1197             p_pic->p->i_pitch = p_pic->p_sys->p_image->pitches[0];
1198             p_pic->p->i_pixel_pitch = 4;
1199             p_pic->p->i_visible_pitch = p_vout->output.i_width * 4;
1200
1201             p_pic->i_planes = 1;
1202             break;
1203
1204         case VLC_FOURCC('R','V','1','5'):
1205
1206             p_pic->p->p_pixels = p_pic->p_sys->p_image->data
1207                                   + p_pic->p_sys->p_image->offsets[0];
1208             p_pic->p->i_lines = p_vout->output.i_height;
1209             p_pic->p->i_pitch = p_pic->p_sys->p_image->pitches[0];
1210             p_pic->p->i_pixel_pitch = 2;
1211             p_pic->p->i_visible_pitch = p_vout->output.i_width * 2;
1212
1213             p_pic->i_planes = 1;
1214             break;
1215
1216         case VLC_FOURCC('R','V','1','6'):
1217
1218             p_pic->p->p_pixels = p_pic->p_sys->p_image->data
1219                                   + p_pic->p_sys->p_image->offsets[0];
1220             p_pic->p->i_lines = p_vout->output.i_height;
1221             p_pic->p->i_pitch = p_pic->p_sys->p_image->pitches[0];
1222             p_pic->p->i_pixel_pitch = 2;
1223             p_pic->p->i_visible_pitch = p_vout->output.i_width * 2;
1224
1225             p_pic->i_planes = 1;
1226             break;
1227
1228 #else
1229         case VLC_FOURCC('R','G','B','2'):
1230
1231             p_pic->p->p_pixels = p_pic->p_sys->p_image->data
1232                                   + p_pic->p_sys->p_image->xoffset;
1233             p_pic->p->i_lines = p_pic->p_sys->p_image->height;
1234             p_pic->p->i_pitch = p_pic->p_sys->p_image->bytes_per_line;
1235             p_pic->p->i_pixel_pitch = p_pic->p_sys->p_image->depth;
1236             p_pic->p->i_visible_pitch = p_pic->p_sys->p_image->width;
1237
1238             p_pic->i_planes = 1;
1239
1240             break;
1241
1242         case VLC_FOURCC('R','V','1','6'):
1243         case VLC_FOURCC('R','V','1','5'):
1244
1245             p_pic->p->p_pixels = p_pic->p_sys->p_image->data
1246                                   + p_pic->p_sys->p_image->xoffset;
1247             p_pic->p->i_lines = p_pic->p_sys->p_image->height;
1248             p_pic->p->i_pitch = p_pic->p_sys->p_image->bytes_per_line;
1249             p_pic->p->i_pixel_pitch = p_pic->p_sys->p_image->depth;
1250             p_pic->p->i_visible_pitch = 2 * p_pic->p_sys->p_image->width;
1251
1252             p_pic->i_planes = 1;
1253
1254             break;
1255
1256         case VLC_FOURCC('R','V','3','2'):
1257         case VLC_FOURCC('R','V','2','4'):
1258
1259             p_pic->p->p_pixels = p_pic->p_sys->p_image->data
1260                                   + p_pic->p_sys->p_image->xoffset;
1261             p_pic->p->i_lines = p_pic->p_sys->p_image->height;
1262             p_pic->p->i_pitch = p_pic->p_sys->p_image->bytes_per_line;
1263             p_pic->p->i_pixel_pitch = p_pic->p_sys->p_image->depth;
1264             p_pic->p->i_visible_pitch = 4 * p_pic->p_sys->p_image->width;
1265
1266             p_pic->i_planes = 1;
1267
1268             break;
1269 #endif
1270
1271         default:
1272             /* Unknown chroma, tell the guy to get lost */
1273             IMAGE_FREE( p_pic->p_sys->p_image );
1274             free( p_pic->p_sys );
1275             msg_Err( p_vout, "never heard of chroma 0x%.8x (%4.4s)",
1276                      p_vout->output.i_chroma, (char*)&p_vout->output.i_chroma );
1277             p_pic->i_planes = 0;
1278             return -1;
1279     }
1280
1281     return 0;
1282 }
1283
1284 /*****************************************************************************
1285  * FreePicture: destroy a picture allocated with NewPicture
1286  *****************************************************************************
1287  * Destroy XImage AND associated data. If using Shm, detach shared memory
1288  * segment from server and process, then free it. The XDestroyImage manpage
1289  * says that both the image structure _and_ the data pointed to by the
1290  * image structure are freed, so no need to free p_image->data.
1291  *****************************************************************************/
1292 static void FreePicture( vout_thread_t *p_vout, picture_t *p_pic )
1293 {
1294     /* The order of operations is correct */
1295 #ifdef HAVE_SYS_SHM_H
1296     if( p_vout->p_sys->b_shm )
1297     {
1298         XShmDetach( p_vout->p_sys->p_display, &p_pic->p_sys->shminfo );
1299         IMAGE_FREE( p_pic->p_sys->p_image );
1300
1301         shmctl( p_pic->p_sys->shminfo.shmid, IPC_RMID, 0 );
1302         if( shmdt( p_pic->p_sys->shminfo.shmaddr ) )
1303         {
1304             msg_Err( p_vout, "cannot detach shared memory (%s)",
1305                              strerror(errno) );
1306         }
1307     }
1308     else
1309 #endif
1310     {
1311         IMAGE_FREE( p_pic->p_sys->p_image );
1312     }
1313
1314     /* Do NOT use XFlush here ! */
1315     XSync( p_vout->p_sys->p_display, False );
1316
1317     free( p_pic->p_sys );
1318 }
1319
1320 /*****************************************************************************
1321  * ToggleFullScreen: Enable or disable full screen mode
1322  *****************************************************************************
1323  * This function will switch between fullscreen and window mode.
1324  *****************************************************************************/
1325 static void ToggleFullScreen ( vout_thread_t *p_vout )
1326 {
1327     Atom prop;
1328     XEvent xevent;
1329     mwmhints_t mwmhints;
1330     XSetWindowAttributes attributes;
1331
1332     p_vout->b_fullscreen = !p_vout->b_fullscreen;
1333
1334     if( p_vout->b_fullscreen )
1335     {
1336         msg_Dbg( p_vout, "entering fullscreen mode" );
1337
1338         p_vout->p_sys->b_altfullscreen =
1339             config_GetInt( p_vout, MODULE_STRING "-altfullscreen" );
1340
1341         if( p_vout->p_sys->p_win->b_owned )
1342         {
1343             XUnmapWindow( p_vout->p_sys->p_display,
1344                           p_vout->p_sys->p_win->base_window);
1345         }
1346
1347         p_vout->p_sys->p_win = &p_vout->p_sys->fullscreen_window;
1348
1349         /* fullscreen window size and position */
1350         p_vout->p_sys->p_win->i_width =
1351             DisplayWidth( p_vout->p_sys->p_display, p_vout->p_sys->i_screen );
1352         p_vout->p_sys->p_win->i_height =
1353             DisplayHeight( p_vout->p_sys->p_display, p_vout->p_sys->i_screen );
1354
1355         CreateWindow( p_vout, p_vout->p_sys->p_win );
1356
1357         /* To my knowledge there are two ways to create a borderless window.
1358          * There's the generic way which is to tell x to bypass the window
1359          * manager, but this creates problems with the focus of other
1360          * applications.
1361          * The other way is to use the motif property "_MOTIF_WM_HINTS" which
1362          * luckily seems to be supported by most window managers. */
1363         if( !p_vout->p_sys->b_altfullscreen )
1364         {
1365             mwmhints.flags = MWM_HINTS_DECORATIONS;
1366             mwmhints.decorations = False;
1367
1368             prop = XInternAtom( p_vout->p_sys->p_display, "_MOTIF_WM_HINTS",
1369                                 False );
1370             XChangeProperty( p_vout->p_sys->p_display,
1371                              p_vout->p_sys->p_win->base_window,
1372                              prop, prop, 32, PropModeReplace,
1373                              (unsigned char *)&mwmhints,
1374                              PROP_MWM_HINTS_ELEMENTS );
1375         }
1376         else
1377         {
1378             /* brute force way to remove decorations */
1379             attributes.override_redirect = True;
1380             XChangeWindowAttributes( p_vout->p_sys->p_display,
1381                                      p_vout->p_sys->p_win->base_window,
1382                                      CWOverrideRedirect,
1383                                      &attributes);
1384         }
1385
1386         /* Make sure the change is effective */
1387         XReparentWindow( p_vout->p_sys->p_display,
1388                          p_vout->p_sys->p_win->base_window,
1389                          DefaultRootWindow( p_vout->p_sys->p_display ),
1390                          0, 0 );
1391
1392         /* fullscreen window size and position */
1393         p_vout->p_sys->p_win->i_width =
1394             DisplayWidth( p_vout->p_sys->p_display, p_vout->p_sys->i_screen );
1395         p_vout->p_sys->p_win->i_height =
1396             DisplayHeight( p_vout->p_sys->p_display, p_vout->p_sys->i_screen );
1397
1398         XMoveResizeWindow( p_vout->p_sys->p_display,
1399                            p_vout->p_sys->p_win->base_window,
1400                            0, 0,
1401                            p_vout->p_sys->p_win->i_width,
1402                            p_vout->p_sys->p_win->i_height );
1403     }
1404     else
1405     {
1406         msg_Dbg( p_vout, "leaving fullscreen mode" );
1407         DestroyWindow( p_vout, &p_vout->p_sys->fullscreen_window );
1408         p_vout->p_sys->p_win = &p_vout->p_sys->original_window;
1409
1410         if( p_vout->p_sys->p_win->b_owned )
1411         {
1412             XMapWindow( p_vout->p_sys->p_display,
1413                         p_vout->p_sys->p_win->base_window);
1414         }
1415     }
1416
1417     /* Unfortunately, using XSync() here is not enough to ensure the
1418      * window has already been mapped because the XMapWindow() request
1419      * has not necessarily been sent directly to our window (remember,
1420      * the call is first redirected to the window manager) */
1421     if( p_vout->p_sys->p_win->b_owned )
1422     {
1423         do
1424         {
1425             XWindowEvent( p_vout->p_sys->p_display,
1426                           p_vout->p_sys->p_win->base_window,
1427                           StructureNotifyMask, &xevent );
1428         } while( xevent.type != MapNotify );
1429     }
1430     else
1431     {
1432         XSync( p_vout->p_sys->p_display, False );
1433     }
1434
1435     /* Becareful, this can generate a BadMatch error if the window is not
1436      * already mapped by the server (see above) */
1437     XSetInputFocus(p_vout->p_sys->p_display,
1438                    p_vout->p_sys->p_win->base_window,
1439                    RevertToParent,
1440                    CurrentTime);
1441
1442     /* signal that the size needs to be updated */
1443     p_vout->i_changes |= VOUT_SIZE_CHANGE;
1444 }
1445
1446 /*****************************************************************************
1447  * EnableXScreenSaver: enable screen saver
1448  *****************************************************************************
1449  * This function enables the screen saver on a display after it has been
1450  * disabled by XDisableScreenSaver.
1451  * FIXME: what happens if multiple vlc sessions are running at the same
1452  *        time ???
1453  *****************************************************************************/
1454 static void EnableXScreenSaver( vout_thread_t *p_vout )
1455 {
1456 #ifdef DPMSINFO_IN_DPMS_H
1457     int dummy;
1458 #endif
1459
1460     if( p_vout->p_sys->i_ss_timeout )
1461     {
1462         XSetScreenSaver( p_vout->p_sys->p_display, p_vout->p_sys->i_ss_timeout,
1463                          p_vout->p_sys->i_ss_interval,
1464                          p_vout->p_sys->i_ss_blanking,
1465                          p_vout->p_sys->i_ss_exposure );
1466     }
1467
1468     /* Restore DPMS settings */
1469 #ifdef DPMSINFO_IN_DPMS_H
1470     if( DPMSQueryExtension( p_vout->p_sys->p_display, &dummy, &dummy ) )
1471     {
1472         if( p_vout->p_sys->b_ss_dpms )
1473         {
1474             DPMSEnable( p_vout->p_sys->p_display );
1475         }
1476     }
1477 #endif
1478 }
1479
1480 /*****************************************************************************
1481  * DisableXScreenSaver: disable screen saver
1482  *****************************************************************************
1483  * See XEnableXScreenSaver
1484  *****************************************************************************/
1485 static void DisableXScreenSaver( vout_thread_t *p_vout )
1486 {
1487 #ifdef DPMSINFO_IN_DPMS_H
1488     int dummy;
1489 #endif
1490
1491     /* Save screen saver informations */
1492     XGetScreenSaver( p_vout->p_sys->p_display, &p_vout->p_sys->i_ss_timeout,
1493                      &p_vout->p_sys->i_ss_interval,
1494                      &p_vout->p_sys->i_ss_blanking,
1495                      &p_vout->p_sys->i_ss_exposure );
1496
1497     /* Disable screen saver */
1498     if( p_vout->p_sys->i_ss_timeout )
1499     {
1500         XSetScreenSaver( p_vout->p_sys->p_display, 0,
1501                          p_vout->p_sys->i_ss_interval,
1502                          p_vout->p_sys->i_ss_blanking,
1503                          p_vout->p_sys->i_ss_exposure );
1504     }
1505
1506     /* Disable DPMS */
1507 #ifdef DPMSINFO_IN_DPMS_H
1508     if( DPMSQueryExtension( p_vout->p_sys->p_display, &dummy, &dummy ) )
1509     {
1510         CARD16 unused;
1511         /* Save DPMS current state */
1512         DPMSInfo( p_vout->p_sys->p_display, &unused,
1513                   &p_vout->p_sys->b_ss_dpms );
1514         DPMSDisable( p_vout->p_sys->p_display );
1515    }
1516 #endif
1517 }
1518
1519 /*****************************************************************************
1520  * CreateCursor: create a blank mouse pointer
1521  *****************************************************************************/
1522 static void CreateCursor( vout_thread_t *p_vout )
1523 {
1524     XColor cursor_color;
1525
1526     p_vout->p_sys->cursor_pixmap =
1527         XCreatePixmap( p_vout->p_sys->p_display,
1528                        DefaultRootWindow( p_vout->p_sys->p_display ),
1529                        1, 1, 1 );
1530
1531     XParseColor( p_vout->p_sys->p_display,
1532                  XCreateColormap( p_vout->p_sys->p_display,
1533                                   DefaultRootWindow(
1534                                                     p_vout->p_sys->p_display ),
1535                                   DefaultVisual(
1536                                                 p_vout->p_sys->p_display,
1537                                                 p_vout->p_sys->i_screen ),
1538                                   AllocNone ),
1539                  "black", &cursor_color );
1540
1541     p_vout->p_sys->blank_cursor =
1542         XCreatePixmapCursor( p_vout->p_sys->p_display,
1543                              p_vout->p_sys->cursor_pixmap,
1544                              p_vout->p_sys->cursor_pixmap,
1545                              &cursor_color, &cursor_color, 1, 1 );
1546 }
1547
1548 /*****************************************************************************
1549  * DestroyCursor: destroy the blank mouse pointer
1550  *****************************************************************************/
1551 static void DestroyCursor( vout_thread_t *p_vout )
1552 {
1553     XFreePixmap( p_vout->p_sys->p_display, p_vout->p_sys->cursor_pixmap );
1554 }
1555
1556 /*****************************************************************************
1557  * ToggleCursor: hide or show the mouse pointer
1558  *****************************************************************************
1559  * This function hides the X pointer if it is visible by setting the pointer
1560  * sprite to a blank one. To show it again, we disable the sprite.
1561  *****************************************************************************/
1562 static void ToggleCursor( vout_thread_t *p_vout )
1563 {
1564     if( p_vout->p_sys->b_mouse_pointer_visible )
1565     {
1566         XDefineCursor( p_vout->p_sys->p_display,
1567                        p_vout->p_sys->p_win->base_window,
1568                        p_vout->p_sys->blank_cursor );
1569         p_vout->p_sys->b_mouse_pointer_visible = 0;
1570     }
1571     else
1572     {
1573         XUndefineCursor( p_vout->p_sys->p_display,
1574                          p_vout->p_sys->p_win->base_window );
1575         p_vout->p_sys->b_mouse_pointer_visible = 1;
1576     }
1577 }
1578
1579 #ifdef MODULE_NAME_IS_xvideo
1580 /*****************************************************************************
1581  * XVideoGetPort: get YUV12 port
1582  *****************************************************************************/
1583 static int XVideoGetPort( vout_thread_t *p_vout,
1584                           vlc_fourcc_t i_chroma, vlc_fourcc_t *pi_newchroma )
1585 {
1586     XvAdaptorInfo *p_adaptor;
1587     unsigned int i;
1588     int i_adaptor, i_num_adaptors, i_requested_adaptor;
1589     int i_selected_port;
1590
1591     switch( XvQueryExtension( p_vout->p_sys->p_display, &i, &i, &i, &i, &i ) )
1592     {
1593         case Success:
1594             break;
1595
1596         case XvBadExtension:
1597             msg_Warn( p_vout, "XvBadExtension" );
1598             return -1;
1599
1600         case XvBadAlloc:
1601             msg_Warn( p_vout, "XvBadAlloc" );
1602             return -1;
1603
1604         default:
1605             msg_Warn( p_vout, "XvQueryExtension failed" );
1606             return -1;
1607     }
1608
1609     switch( XvQueryAdaptors( p_vout->p_sys->p_display,
1610                              DefaultRootWindow( p_vout->p_sys->p_display ),
1611                              &i_num_adaptors, &p_adaptor ) )
1612     {
1613         case Success:
1614             break;
1615
1616         case XvBadExtension:
1617             msg_Warn( p_vout, "XvBadExtension for XvQueryAdaptors" );
1618             return -1;
1619
1620         case XvBadAlloc:
1621             msg_Warn( p_vout, "XvBadAlloc for XvQueryAdaptors" );
1622             return -1;
1623
1624         default:
1625             msg_Warn( p_vout, "XvQueryAdaptors failed" );
1626             return -1;
1627     }
1628
1629     i_selected_port = -1;
1630     i_requested_adaptor = config_GetInt( p_vout, "xvideo-adaptor" );
1631
1632     for( i_adaptor = 0; i_adaptor < i_num_adaptors; ++i_adaptor )
1633     {
1634         XvImageFormatValues *p_formats;
1635         int i_format, i_num_formats;
1636         int i_port;
1637
1638         /* If we requested an adaptor and it's not this one, we aren't
1639          * interested */
1640         if( i_requested_adaptor != -1 && i_adaptor != i_requested_adaptor )
1641         {
1642             continue;
1643         }
1644
1645         /* If the adaptor doesn't have the required properties, skip it */
1646         if( !( p_adaptor[ i_adaptor ].type & XvInputMask ) ||
1647             !( p_adaptor[ i_adaptor ].type & XvImageMask ) )
1648         {
1649             continue;
1650         }
1651
1652         /* Check that adaptor supports our requested format... */
1653         p_formats = XvListImageFormats( p_vout->p_sys->p_display,
1654                                         p_adaptor[i_adaptor].base_id,
1655                                         &i_num_formats );
1656
1657         for( i_format = 0;
1658              i_format < i_num_formats && ( i_selected_port == -1 );
1659              i_format++ )
1660         {
1661             /* Code removed, we can get this through xvinfo anyway */
1662 #if 0
1663             XvEncodingInfo  *p_enc;
1664             int             i_enc, i_num_encodings;
1665             XvAttribute     *p_attr;
1666             int             i_attr, i_num_attributes;
1667 #endif
1668
1669             /* If this is not the format we want, or at least a
1670              * similar one, forget it */
1671             if( !vout_ChromaCmp( p_formats[ i_format ].id, i_chroma ) )
1672             {
1673                 continue;
1674             }
1675
1676             /* Look for the first available port supporting this format */
1677             for( i_port = p_adaptor[i_adaptor].base_id;
1678                  ( i_port < (int)(p_adaptor[i_adaptor].base_id
1679                                    + p_adaptor[i_adaptor].num_ports) )
1680                    && ( i_selected_port == -1 );
1681                  i_port++ )
1682             {
1683                 if( XvGrabPort( p_vout->p_sys->p_display, i_port, CurrentTime )
1684                      == Success )
1685                 {
1686                     i_selected_port = i_port;
1687                     *pi_newchroma = p_formats[ i_format ].id;
1688                 }
1689             }
1690
1691             /* If no free port was found, forget it */
1692             if( i_selected_port == -1 )
1693             {
1694                 continue;
1695             }
1696
1697             /* If we found a port, print information about it */
1698             msg_Dbg( p_vout, "adaptor %i, port %i, format 0x%x (%4.4s) %s",
1699                      i_adaptor, i_selected_port, p_formats[ i_format ].id,
1700                      (char *)&p_formats[ i_format ].id,
1701                      ( p_formats[ i_format ].format == XvPacked ) ?
1702                          "packed" : "planar" );
1703
1704 #if 0
1705             msg_Dbg( p_vout, " encoding list:" );
1706
1707             if( XvQueryEncodings( p_vout->p_sys->p_display, i_selected_port,
1708                                   &i_num_encodings, &p_enc )
1709                  != Success )
1710             {
1711                 msg_Dbg( p_vout, "  XvQueryEncodings failed" );
1712                 continue;
1713             }
1714
1715             for( i_enc = 0; i_enc < i_num_encodings; i_enc++ )
1716             {
1717                 msg_Dbg( p_vout, "  id=%ld, name=%s, size=%ldx%ld,"
1718                                       " numerator=%d, denominator=%d",
1719                              p_enc[i_enc].encoding_id, p_enc[i_enc].name,
1720                              p_enc[i_enc].width, p_enc[i_enc].height,
1721                              p_enc[i_enc].rate.numerator,
1722                              p_enc[i_enc].rate.denominator );
1723             }
1724
1725             if( p_enc != NULL )
1726             {
1727                 XvFreeEncodingInfo( p_enc );
1728             }
1729
1730             msg_Dbg( p_vout, " attribute list:" );
1731             p_attr = XvQueryPortAttributes( p_vout->p_sys->p_display,
1732                                             i_selected_port,
1733                                             &i_num_attributes );
1734             for( i_attr = 0; i_attr < i_num_attributes; i_attr++ )
1735             {
1736                 msg_Dbg( p_vout, "  name=%s, flags=[%s%s ], min=%i, max=%i",
1737                       p_attr[i_attr].name,
1738                       (p_attr[i_attr].flags & XvGettable) ? " get" : "",
1739                       (p_attr[i_attr].flags & XvSettable) ? " set" : "",
1740                       p_attr[i_attr].min_value, p_attr[i_attr].max_value );
1741             }
1742
1743             if( p_attr != NULL )
1744             {
1745                 XFree( p_attr );
1746             }
1747 #endif
1748         }
1749
1750         if( p_formats != NULL )
1751         {
1752             XFree( p_formats );
1753         }
1754
1755     }
1756
1757     if( i_num_adaptors > 0 )
1758     {
1759         XvFreeAdaptorInfo( p_adaptor );
1760     }
1761
1762     if( i_selected_port == -1 )
1763     {
1764         if( i_requested_adaptor == -1 )
1765         {
1766             msg_Warn( p_vout, "no free XVideo port found for format "
1767                        "0x%.8x (%4.4s)", i_chroma, (char*)&i_chroma );
1768         }
1769         else
1770         {
1771             msg_Warn( p_vout, "XVideo adaptor %i does not have a free "
1772                        "XVideo port for format 0x%.8x (%4.4s)",
1773                        i_requested_adaptor, i_chroma, (char*)&i_chroma );
1774         }
1775     }
1776
1777     return i_selected_port;
1778 }
1779
1780 /*****************************************************************************
1781  * XVideoReleasePort: release YUV12 port
1782  *****************************************************************************/
1783 static void XVideoReleasePort( vout_thread_t *p_vout, int i_port )
1784 {
1785     XvUngrabPort( p_vout->p_sys->p_display, i_port, CurrentTime );
1786 }
1787 #endif
1788
1789 /*****************************************************************************
1790  * InitDisplay: open and initialize X11 device
1791  *****************************************************************************
1792  * Create a window according to video output given size, and set other
1793  * properties according to the display properties.
1794  *****************************************************************************/
1795 static int InitDisplay( vout_thread_t *p_vout )
1796 {
1797 #ifdef MODULE_NAME_IS_x11
1798     XPixmapFormatValues *       p_formats;                 /* pixmap formats */
1799     XVisualInfo *               p_xvisual;           /* visuals informations */
1800     XVisualInfo                 xvisual_template;         /* visual template */
1801     int                         i_count;                       /* array size */
1802 #endif
1803
1804 #ifdef HAVE_SYS_SHM_H
1805     p_vout->p_sys->b_shm = 0;
1806
1807     if( config_GetInt( p_vout, MODULE_STRING "-shm" ) )
1808     {
1809 #   ifdef SYS_DARWIN
1810         /* FIXME: As of 2001-03-16, XFree4 for MacOS X does not support Xshm */
1811 #   else
1812         p_vout->p_sys->b_shm =
1813                   ( XShmQueryExtension( p_vout->p_sys->p_display ) == True );
1814 #   endif
1815
1816         if( !p_vout->p_sys->b_shm )
1817         {
1818             msg_Warn( p_vout, "XShm video extension is unavailable" );
1819         }
1820     }
1821     else
1822     {
1823         msg_Dbg( p_vout, "disabling XShm video extension" );
1824     }
1825
1826 #else
1827     msg_Warn( p_vout, "XShm video extension is unavailable" );
1828
1829 #endif
1830
1831 #ifdef MODULE_NAME_IS_xvideo
1832     /* XXX The brightness and contrast values should be read from environment
1833      * XXX variables... */
1834 #if 0
1835     XVideoSetAttribute( p_vout, "XV_BRIGHTNESS", 0.5 );
1836     XVideoSetAttribute( p_vout, "XV_CONTRAST",   0.5 );
1837 #endif
1838 #endif
1839
1840 #ifdef MODULE_NAME_IS_x11
1841     /* Initialize structure */
1842     p_vout->p_sys->i_screen = DefaultScreen( p_vout->p_sys->p_display );
1843
1844     /* Get screen depth */
1845     p_vout->p_sys->i_screen_depth = XDefaultDepth( p_vout->p_sys->p_display,
1846                                                    p_vout->p_sys->i_screen );
1847     switch( p_vout->p_sys->i_screen_depth )
1848     {
1849     case 8:
1850         /*
1851          * Screen depth is 8bpp. Use PseudoColor visual with private colormap.
1852          */
1853         xvisual_template.screen =   p_vout->p_sys->i_screen;
1854         xvisual_template.class =    DirectColor;
1855         p_xvisual = XGetVisualInfo( p_vout->p_sys->p_display,
1856                                     VisualScreenMask | VisualClassMask,
1857                                     &xvisual_template, &i_count );
1858         if( p_xvisual == NULL )
1859         {
1860             msg_Err( p_vout, "no PseudoColor visual available" );
1861             return VLC_EGENERIC;
1862         }
1863         p_vout->p_sys->i_bytes_per_pixel = 1;
1864         p_vout->output.pf_setpalette = SetPalette;
1865         break;
1866     case 15:
1867     case 16:
1868     case 24:
1869     default:
1870         /*
1871          * Screen depth is higher than 8bpp. TrueColor visual is used.
1872          */
1873         xvisual_template.screen =   p_vout->p_sys->i_screen;
1874         xvisual_template.class =    TrueColor;
1875         p_xvisual = XGetVisualInfo( p_vout->p_sys->p_display,
1876                                     VisualScreenMask | VisualClassMask,
1877                                     &xvisual_template, &i_count );
1878         if( p_xvisual == NULL )
1879         {
1880             msg_Err( p_vout, "no TrueColor visual available" );
1881             return VLC_EGENERIC;
1882         }
1883
1884         p_vout->output.i_rmask = p_xvisual->red_mask;
1885         p_vout->output.i_gmask = p_xvisual->green_mask;
1886         p_vout->output.i_bmask = p_xvisual->blue_mask;
1887
1888         /* There is no difference yet between 3 and 4 Bpp. The only way
1889          * to find the actual number of bytes per pixel is to list supported
1890          * pixmap formats. */
1891         p_formats = XListPixmapFormats( p_vout->p_sys->p_display, &i_count );
1892         p_vout->p_sys->i_bytes_per_pixel = 0;
1893
1894         for( ; i_count-- ; p_formats++ )
1895         {
1896             /* Under XFree4.0, the list contains pixmap formats available
1897              * through all video depths ; so we have to check against current
1898              * depth. */
1899             if( p_formats->depth == (int)p_vout->p_sys->i_screen_depth )
1900             {
1901                 if( p_formats->bits_per_pixel / 8
1902                         > (int)p_vout->p_sys->i_bytes_per_pixel )
1903                 {
1904                     p_vout->p_sys->i_bytes_per_pixel =
1905                                                p_formats->bits_per_pixel / 8;
1906                 }
1907             }
1908         }
1909         break;
1910     }
1911     p_vout->p_sys->p_visual = p_xvisual->visual;
1912     XFree( p_xvisual );
1913 #endif
1914
1915     return VLC_SUCCESS;
1916 }
1917
1918 #ifdef HAVE_SYS_SHM_H
1919 /*****************************************************************************
1920  * CreateShmImage: create an XImage or XvImage using shared memory extension
1921  *****************************************************************************
1922  * Prepare an XImage or XvImage for display function.
1923  * The order of the operations respects the recommandations of the mit-shm
1924  * document by J.Corbet and K.Packard. Most of the parameters were copied from
1925  * there. See http://ftp.xfree86.org/pub/XFree86/4.0/doc/mit-shm.TXT
1926  *****************************************************************************/
1927 static IMAGE_TYPE * CreateShmImage( vout_thread_t *p_vout,
1928                                     Display* p_display, EXTRA_ARGS_SHM,
1929                                     int i_width, int i_height )
1930 {
1931     IMAGE_TYPE *p_image;
1932
1933     /* Create XImage / XvImage */
1934 #ifdef MODULE_NAME_IS_xvideo
1935     p_image = XvShmCreateImage( p_display, i_xvport, i_chroma, 0,
1936                                 i_width, i_height, p_shm );
1937 #else
1938     p_image = XShmCreateImage( p_display, p_visual, i_depth, ZPixmap, 0,
1939                                p_shm, i_width, i_height );
1940 #endif
1941     if( p_image == NULL )
1942     {
1943         msg_Err( p_vout, "image creation failed" );
1944         return NULL;
1945     }
1946
1947     /* Allocate shared memory segment - 0776 set the access permission
1948      * rights (like umask), they are not yet supported by all X servers */
1949     p_shm->shmid = shmget( IPC_PRIVATE, DATA_SIZE(p_image), IPC_CREAT | 0776 );
1950     if( p_shm->shmid < 0 )
1951     {
1952         msg_Err( p_vout, "cannot allocate shared image data (%s)",
1953                          strerror( errno ) );
1954         IMAGE_FREE( p_image );
1955         return NULL;
1956     }
1957
1958     /* Attach shared memory segment to process (read/write) */
1959     p_shm->shmaddr = p_image->data = shmat( p_shm->shmid, 0, 0 );
1960     if(! p_shm->shmaddr )
1961     {
1962         msg_Err( p_vout, "cannot attach shared memory (%s)",
1963                          strerror(errno));
1964         IMAGE_FREE( p_image );
1965         shmctl( p_shm->shmid, IPC_RMID, 0 );
1966         return NULL;
1967     }
1968
1969     /* Read-only data. We won't be using XShmGetImage */
1970     p_shm->readOnly = True;
1971
1972     /* Attach shared memory segment to X server */
1973     if( XShmAttach( p_display, p_shm ) == False )
1974     {
1975         msg_Err( p_vout, "cannot attach shared memory to X server" );
1976         IMAGE_FREE( p_image );
1977         shmctl( p_shm->shmid, IPC_RMID, 0 );
1978         shmdt( p_shm->shmaddr );
1979         return NULL;
1980     }
1981
1982     /* Send image to X server. This instruction is required, since having
1983      * built a Shm XImage and not using it causes an error on XCloseDisplay,
1984      * and remember NOT to use XFlush ! */
1985     XSync( p_display, False );
1986
1987 #if 0
1988     /* Mark the shm segment to be removed when there are no more
1989      * attachements, so it is automatic on process exit or after shmdt */
1990     shmctl( p_shm->shmid, IPC_RMID, 0 );
1991 #endif
1992
1993     return p_image;
1994 }
1995 #endif
1996
1997 /*****************************************************************************
1998  * CreateImage: create an XImage or XvImage
1999  *****************************************************************************
2000  * Create a simple image used as a buffer.
2001  *****************************************************************************/
2002 static IMAGE_TYPE * CreateImage( vout_thread_t *p_vout,
2003                                  Display *p_display, EXTRA_ARGS,
2004                                  int i_width, int i_height )
2005 {
2006     byte_t *    p_data;                           /* image data storage zone */
2007     IMAGE_TYPE *p_image;
2008 #ifdef MODULE_NAME_IS_x11
2009     int         i_quantum;                     /* XImage quantum (see below) */
2010     int         i_bytes_per_line;
2011 #endif
2012
2013     /* Allocate memory for image */
2014 #ifdef MODULE_NAME_IS_xvideo
2015     p_data = (byte_t *) malloc( i_width * i_height * 2 ); /* XXX */
2016 #else
2017     i_bytes_per_line = i_width * i_bytes_per_pixel;
2018     p_data = (byte_t *) malloc( i_bytes_per_line * i_height );
2019 #endif
2020     if( !p_data )
2021     {
2022         msg_Err( p_vout, "out of memory" );
2023         return NULL;
2024     }
2025
2026 #ifdef MODULE_NAME_IS_x11
2027     /* Optimize the quantum of a scanline regarding its size - the quantum is
2028        a diviser of the number of bits between the start of two scanlines. */
2029     if( i_bytes_per_line & 0xf )
2030     {
2031         i_quantum = 0x8;
2032     }
2033     else if( i_bytes_per_line & 0x10 )
2034     {
2035         i_quantum = 0x10;
2036     }
2037     else
2038     {
2039         i_quantum = 0x20;
2040     }
2041 #endif
2042
2043     /* Create XImage. p_data will be automatically freed */
2044 #ifdef MODULE_NAME_IS_xvideo
2045     p_image = XvCreateImage( p_display, i_xvport, i_chroma,
2046                              p_data, i_width, i_height );
2047 #else
2048     p_image = XCreateImage( p_display, p_visual, i_depth, ZPixmap, 0,
2049                             p_data, i_width, i_height, i_quantum, 0 );
2050 #endif
2051     if( p_image == NULL )
2052     {
2053         msg_Err( p_vout, "XCreateImage() failed" );
2054         free( p_data );
2055         return NULL;
2056     }
2057
2058     return p_image;
2059 }
2060
2061 #ifdef MODULE_NAME_IS_x11
2062 /*****************************************************************************
2063  * SetPalette: sets an 8 bpp palette
2064  *****************************************************************************
2065  * This function sets the palette given as an argument. It does not return
2066  * anything, but could later send information on which colors it was unable
2067  * to set.
2068  *****************************************************************************/
2069 static void SetPalette( vout_thread_t *p_vout,
2070                         uint16_t *red, uint16_t *green, uint16_t *blue )
2071 {
2072     int i;
2073     XColor p_colors[255];
2074
2075     /* allocate palette */
2076     for( i = 0; i < 255; i++ )
2077     {
2078         /* kludge: colors are indexed reversely because color 255 seems
2079          * to be reserved for black even if we try to set it to white */
2080         p_colors[ i ].pixel = 255 - i;
2081         p_colors[ i ].pad   = 0;
2082         p_colors[ i ].flags = DoRed | DoGreen | DoBlue;
2083         p_colors[ i ].red   = red[ 255 - i ];
2084         p_colors[ i ].blue  = blue[ 255 - i ];
2085         p_colors[ i ].green = green[ 255 - i ];
2086     }
2087
2088     XStoreColors( p_vout->p_sys->p_display,
2089                   p_vout->p_sys->colormap, p_colors, 255 );
2090 }
2091 #endif