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) 1998-2006 the VideoLAN team
   5  * $Id$
   6  *
   7  * Authors: Vincent Seguin <seguin@via.ecp.fr>
   8  *          Sam Hocevar <sam@zoy.org>
   9  *          David Kennedy <dkennedy@tinytoad.com>
  10  *          Gildas Bazin <gbazin@videolan.org>
  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., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
  25  *****************************************************************************/
  26
  27 /*****************************************************************************
  28  * Preamble
  29  *****************************************************************************/
  30 #include <vlc/vlc.h>
  31 #include <vlc_interface.h>
  32 #include <vlc_playlist.h>
  33 #include <vlc_vout.h>
  34 #include <vlc_keys.h>
  35
  36 #include <errno.h>                                                 /* ENOMEM */
  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_XSP
  50 #include <X11/extensions/Xsp.h>
  51 #endif
  52
  53 #ifdef HAVE_SYS_SHM_H
  54 #   include <sys/shm.h>                                /* shmget(), shmctl() */
  55 #endif
  56
  57 #include <X11/Xlib.h>
  58 #include <X11/Xproto.h>
  59 #include <X11/Xmd.h>
  60 #include <X11/Xutil.h>
  61 #include <X11/keysym.h>
  62 #include <X11/XF86keysym.h>
  63 #ifdef HAVE_SYS_SHM_H
  64 #   include <X11/extensions/XShm.h>
  65 #endif
  66 #ifdef DPMSINFO_IN_DPMS_H
  67 #   include <X11/extensions/dpms.h>
  68 #endif
  69
  70 #if defined(MODULE_NAME_IS_xvideo) || defined(MODULE_NAME_IS_xvmc)
  71 #   include <X11/extensions/Xv.h>
  72 #   include <X11/extensions/Xvlib.h>
  73 #endif
  74
  75 #ifdef MODULE_NAME_IS_glx
  76 #   include <GL/glx.h>
  77 #endif
  78
  79 #ifdef HAVE_XINERAMA
  80 #   include <X11/extensions/Xinerama.h>
  81 #endif
  82
  83 #ifdef HAVE_X11_EXTENSIONS_XF86VMODE_H
  84 #   include <X11/extensions/xf86vmode.h>
  85 #endif
  86
  87 #ifdef MODULE_NAME_IS_xvmc
  88 #   include <X11/extensions/vldXvMC.h>
  89 #   include "../../codec/xvmc/accel_xvmc.h"
  90 #endif
  91
  92 #include "xcommon.h"
  93
  94 /*****************************************************************************
  95  * Local prototypes
  96  *****************************************************************************/
  97 int  E_(Activate)   ( vlc_object_t * );
  98 void E_(Deactivate) ( vlc_object_t * );
  99
 100 static int  InitVideo      ( vout_thread_t * );
 101 static void EndVideo       ( vout_thread_t * );
 102 static void DisplayVideo   ( vout_thread_t *, picture_t * );
 103 static int  ManageVideo    ( vout_thread_t * );
 104 static int  Control        ( vout_thread_t *, int, va_list );
 105
 106 static int  InitDisplay    ( vout_thread_t * );
 107
 108 static int  CreateWindow   ( vout_thread_t *, x11_window_t * );
 109 static void DestroyWindow  ( vout_thread_t *, x11_window_t * );
 110
 111 static int  NewPicture     ( vout_thread_t *, picture_t * );
 112 static void FreePicture    ( vout_thread_t *, picture_t * );
 113
 114 static IMAGE_TYPE *CreateImage    ( vout_thread_t *,
 115                                     Display *, EXTRA_ARGS, int, int );
 116 #ifdef HAVE_SYS_SHM_H
 117 static IMAGE_TYPE *CreateShmImage ( vout_thread_t *,
 118                                     Display *, EXTRA_ARGS_SHM, int, int );
 119 static vlc_bool_t b_shm = VLC_TRUE;
 120 #endif
 121
 122 static void ToggleFullScreen      ( vout_thread_t * );
 123
 124 static void EnableXScreenSaver    ( vout_thread_t * );
 125 static void DisableXScreenSaver   ( vout_thread_t * );
 126
 127 static void CreateCursor   ( vout_thread_t * );
 128 static void DestroyCursor  ( vout_thread_t * );
 129 static void ToggleCursor   ( vout_thread_t * );
 130
 131 #if defined(MODULE_NAME_IS_xvideo) || defined(MODULE_NAME_IS_xvmc)
 132 static int  XVideoGetPort    ( vout_thread_t *, vlc_fourcc_t, vlc_fourcc_t * );
 133 static void XVideoReleasePort( vout_thread_t *, int );
 134 #endif
 135
 136 #ifdef MODULE_NAME_IS_x11
 137 static void SetPalette     ( vout_thread_t *,
 138                              uint16_t *, uint16_t *, uint16_t * );
 139 #endif
 140
 141 #ifdef MODULE_NAME_IS_xvmc
 142 static void RenderVideo    ( vout_thread_t *, picture_t * );
 143 static int  xvmc_check_yv12( Display *display, XvPortID port );
 144 static void xvmc_update_XV_DOUBLE_BUFFER( vout_thread_t *p_vout );
 145 #endif
 146
 147 static void TestNetWMSupport( vout_thread_t * );
 148 static int ConvertKey( int );
 149
 150 static int WindowOnTop( vout_thread_t *, vlc_bool_t );
 151
 152 static int X11ErrorHandler( Display *, XErrorEvent * );
 153
 154 #ifdef HAVE_XSP
 155 static void EnablePixelDoubling( vout_thread_t *p_vout );
 156 static void DisablePixelDoubling( vout_thread_t *p_vout );
 157 #endif
 158
 159 #ifdef HAVE_OSSO
 160 static const int i_backlight_on_interval = 300;
 161 #endif
 162
 163
 164
 165 /*****************************************************************************
 166  * Activate: allocate X11 video thread output method
 167  *****************************************************************************
 168  * This function allocate and initialize a X11 vout method. It uses some of the
 169  * vout properties to choose the window size, and change them according to the
 170  * actual properties of the display.
 171  *****************************************************************************/
 172 int E_(Activate) ( vlc_object_t *p_this )
 173 {
 174     vout_thread_t *p_vout = (vout_thread_t *)p_this;
 175     char *        psz_display;
 176     vlc_value_t   val;
 177 #if defined(MODULE_NAME_IS_xvmc)
 178     char *psz_value;
 179 #endif
 180 #if defined(MODULE_NAME_IS_xvideo) || defined(MODULE_NAME_IS_xvmc)
 181     char *       psz_chroma;
 182     vlc_fourcc_t i_chroma = 0;
 183     vlc_bool_t   b_chroma = 0;
 184 #endif
 185
 186     p_vout->pf_init = InitVideo;
 187     p_vout->pf_end = EndVideo;
 188     p_vout->pf_manage = ManageVideo;
 189 #ifdef MODULE_NAME_IS_xvmc
 190     p_vout->pf_render = RenderVideo;
 191 #else
 192     p_vout->pf_render = NULL;
 193 #endif
 194     p_vout->pf_display = DisplayVideo;
 195     p_vout->pf_control = Control;
 196
 197     /* Allocate structure */
 198     p_vout->p_sys = malloc( sizeof( vout_sys_t ) );
 199     if( p_vout->p_sys == NULL )
 200     {
 201         msg_Err( p_vout, "out of memory" );
 202         return VLC_ENOMEM;
 203     }
 204
 205     vlc_mutex_init( p_vout, &p_vout->p_sys->lock );
 206
 207     /* Open display, using the "display" config variable or the DISPLAY
 208      * environment variable */
 209     psz_display = config_GetPsz( p_vout, MODULE_STRING "-display" );
 210
 211     p_vout->p_sys->p_display = XOpenDisplay( psz_display );
 212
 213     if( p_vout->p_sys->p_display == NULL )                          /* error */
 214     {
 215         msg_Err( p_vout, "cannot open display %s",
 216                          XDisplayName( psz_display ) );
 217         free( p_vout->p_sys );
 218         if( psz_display ) free( psz_display );
 219         return VLC_EGENERIC;
 220     }
 221     if( psz_display ) free( psz_display );
 222
 223     /* Replace error handler so we can intercept some non-fatal errors */
 224     XSetErrorHandler( X11ErrorHandler );
 225
 226     /* Get a screen ID matching the XOpenDisplay return value */
 227     p_vout->p_sys->i_screen = DefaultScreen( p_vout->p_sys->p_display );
 228
 229 #if defined(MODULE_NAME_IS_xvideo) || defined(MODULE_NAME_IS_xvmc)
 230     psz_chroma = config_GetPsz( p_vout, "xvideo-chroma" );
 231     if( psz_chroma )
 232     {
 233         if( strlen( psz_chroma ) >= 4 )
 234         {
 235             /* Do not use direct assignment because we are not sure of the
 236              * alignment. */
 237             memcpy(&i_chroma, psz_chroma, 4);
 238             b_chroma = 1;
 239         }
 240
 241         free( psz_chroma );
 242     }
 243
 244     if( b_chroma )
 245     {
 246         msg_Dbg( p_vout, "forcing chroma 0x%.8x (%4.4s)",
 247                  i_chroma, (char*)&i_chroma );
 248     }
 249     else
 250     {
 251         i_chroma = p_vout->render.i_chroma;
 252     }
 253
 254     /* Check that we have access to an XVideo port providing this chroma */
 255     p_vout->p_sys->i_xvport = XVideoGetPort( p_vout, VLC2X11_FOURCC(i_chroma),
 256                                              &p_vout->output.i_chroma );
 257     if( p_vout->p_sys->i_xvport < 0 )
 258     {
 259         /* If a specific chroma format was requested, then we don't try to
 260          * be cleverer than the user. He knew pretty well what he wanted. */
 261         if( b_chroma )
 262         {
 263             XCloseDisplay( p_vout->p_sys->p_display );
 264             free( p_vout->p_sys );
 265             return VLC_EGENERIC;
 266         }
 267
 268         /* It failed, but it's not completely lost ! We try to open an
 269          * XVideo port for an YUY2 picture. We'll need to do an YUV
 270          * conversion, but at least it has got scaling. */
 271         p_vout->p_sys->i_xvport =
 272                         XVideoGetPort( p_vout, X11_FOURCC('Y','U','Y','2'),
 273                                                &p_vout->output.i_chroma );
 274         if( p_vout->p_sys->i_xvport < 0 )
 275         {
 276             /* It failed, but it's not completely lost ! We try to open an
 277              * XVideo port for a simple 16bpp RGB picture. We'll need to do
 278              * an YUV conversion, but at least it has got scaling. */
 279             p_vout->p_sys->i_xvport =
 280                             XVideoGetPort( p_vout, X11_FOURCC('R','V','1','6'),
 281                                                    &p_vout->output.i_chroma );
 282             if( p_vout->p_sys->i_xvport < 0 )
 283             {
 284                 XCloseDisplay( p_vout->p_sys->p_display );
 285                 free( p_vout->p_sys );
 286                 return VLC_EGENERIC;
 287             }
 288         }
 289     }
 290     p_vout->output.i_chroma = X112VLC_FOURCC(p_vout->output.i_chroma);
 291 #elif defined(MODULE_NAME_IS_glx)
 292     {
 293         int i_opcode, i_evt, i_err = 0;
 294         int i_maj, i_min = 0;
 295
 296         /* Check for GLX extension */
 297         if( !XQueryExtension( p_vout->p_sys->p_display, "GLX",
 298                               &i_opcode, &i_evt, &i_err ) )
 299         {
 300             msg_Err( p_this, "GLX extension not supported" );
 301             XCloseDisplay( p_vout->p_sys->p_display );
 302             free( p_vout->p_sys );
 303             return VLC_EGENERIC;
 304         }
 305         if( !glXQueryExtension( p_vout->p_sys->p_display, &i_err, &i_evt ) )
 306         {
 307             msg_Err( p_this, "glXQueryExtension failed" );
 308             XCloseDisplay( p_vout->p_sys->p_display );
 309             free( p_vout->p_sys );
 310             return VLC_EGENERIC;
 311         }
 312
 313         /* Check GLX version */
 314         if (!glXQueryVersion( p_vout->p_sys->p_display, &i_maj, &i_min ) )
 315         {
 316             msg_Err( p_this, "glXQueryVersion failed" );
 317             XCloseDisplay( p_vout->p_sys->p_display );
 318             free( p_vout->p_sys );
 319             return VLC_EGENERIC;
 320         }
 321         if( i_maj <= 0 || ((i_maj == 1) && (i_min < 3)) )
 322         {
 323             p_vout->p_sys->b_glx13 = VLC_FALSE;
 324             msg_Dbg( p_this, "using GLX 1.2 API" );
 325         }
 326         else
 327         {
 328             p_vout->p_sys->b_glx13 = VLC_TRUE;
 329             msg_Dbg( p_this, "using GLX 1.3 API" );
 330         }
 331     }
 332 #endif
 333
 334     /* Create blank cursor (for mouse cursor autohiding) */
 335     p_vout->p_sys->i_time_mouse_last_moved = mdate();
 336     p_vout->p_sys->b_mouse_pointer_visible = 1;
 337     CreateCursor( p_vout );
 338
 339     /* Set main window's size */
 340     p_vout->p_sys->original_window.i_width = p_vout->i_window_width;
 341     p_vout->p_sys->original_window.i_height = p_vout->i_window_height;
 342     var_Create( p_vout, "video-title", VLC_VAR_STRING | VLC_VAR_DOINHERIT );
 343     /* Spawn base window - this window will include the video output window,
 344      * but also command buttons, subtitles and other indicators */
 345     if( CreateWindow( p_vout, &p_vout->p_sys->original_window ) )
 346     {
 347         msg_Err( p_vout, "cannot create X11 window" );
 348         DestroyCursor( p_vout );
 349         XCloseDisplay( p_vout->p_sys->p_display );
 350         free( p_vout->p_sys );
 351         return VLC_EGENERIC;
 352     }
 353
 354     /* Open and initialize device. */
 355     if( InitDisplay( p_vout ) )
 356     {
 357         msg_Err( p_vout, "cannot initialize X11 display" );
 358         DestroyCursor( p_vout );
 359         DestroyWindow( p_vout, &p_vout->p_sys->original_window );
 360         XCloseDisplay( p_vout->p_sys->p_display );
 361         free( p_vout->p_sys );
 362         return VLC_EGENERIC;
 363     }
 364
 365     /* Disable screen saver */
 366     DisableXScreenSaver( p_vout );
 367
 368     /* Misc init */
 369     p_vout->p_sys->b_altfullscreen = 0;
 370     p_vout->p_sys->i_time_button_last_pressed = 0;
 371
 372     TestNetWMSupport( p_vout );
 373
 374 #ifdef MODULE_NAME_IS_xvmc
 375     p_vout->p_sys->p_last_subtitle_save = NULL;
 376     psz_value = config_GetPsz( p_vout, "xvmc-deinterlace-mode" );
 377
 378     /* Look what method was requested */
 379     //var_Create( p_vout, "xvmc-deinterlace-mode", VLC_VAR_STRING );
 380     //var_Change( p_vout, "xvmc-deinterlace-mode", VLC_VAR_INHERITVALUE, &val, NULL );
 381     if( psz_value )
 382     {
 383         if( (strcmp(psz_value, "bob") == 0) ||
 384             (strcmp(psz_value, "blend") == 0) )
 385            p_vout->p_sys->xvmc_deinterlace_method = 2;
 386         else if (strcmp(psz_value, "discard") == 0)
 387            p_vout->p_sys->xvmc_deinterlace_method = 1;
 388         else
 389            p_vout->p_sys->xvmc_deinterlace_method = 0;
 390         free(psz_value );
 391     }
 392     else
 393         p_vout->p_sys->xvmc_deinterlace_method = 0;
 394
 395     /* Look what method was requested */
 396     //var_Create( p_vout, "xvmc-crop-style", VLC_VAR_STRING );
 397     //var_Change( p_vout, "xvmc-crop-style", VLC_VAR_INHERITVALUE, &val, NULL );
 398     psz_value = config_GetPsz( p_vout, "xvmc-crop-style" );
 399
 400     if( psz_value )
 401     {
 402         if( strncmp( psz_value, "eq", 2 ) == 0 )
 403            p_vout->p_sys->xvmc_crop_style = 1;
 404         else if( strncmp( psz_value, "4-16", 4 ) == 0)
 405            p_vout->p_sys->xvmc_crop_style = 2;
 406         else if( strncmp( psz_value, "16-4", 4 ) == 0)
 407            p_vout->p_sys->xvmc_crop_style = 3;
 408         else
 409            p_vout->p_sys->xvmc_crop_style = 0;
 410         free( psz_value );
 411     }
 412     else
 413         p_vout->p_sys->xvmc_crop_style = 0;
 414
 415     msg_Dbg(p_vout, "Deinterlace = %d", p_vout->p_sys->xvmc_deinterlace_method);
 416     msg_Dbg(p_vout, "Crop = %d", p_vout->p_sys->xvmc_crop_style);
 417
 418     if( !checkXvMCCap( p_vout ) )
 419     {
 420         msg_Err( p_vout, "no XVMC capability found" );
 421         E_(Deactivate)( p_vout );
 422         return VLC_EGENERIC;
 423     }
 424     sub_pic.p_sys = NULL;
 425     p_vout->p_sys->last_date = 0;
 426 #endif
 427
 428 #ifdef HAVE_XSP
 429     p_vout->p_sys->i_hw_scale = 1;
 430 #endif
 431
 432 #ifdef HAVE_OSSO
 433     p_vout->p_sys->i_backlight_on_counter = i_backlight_on_interval;
 434     p_vout->p_sys->p_octx = osso_initialize( "vlc", VERSION, 0, NULL );
 435     if ( p_vout->p_sys->p_octx == NULL ) {
 436         msg_Err( p_vout, "Could not get osso context" );
 437     } else {
 438         msg_Dbg( p_vout, "Initialized osso context" );
 439     }
 440 #endif
 441
 442     /* Variable to indicate if the window should be on top of others */
 443     /* Trigger a callback right now */
 444     var_Get( p_vout, "video-on-top", &val );
 445     var_Set( p_vout, "video-on-top", val );
 446
 447     return VLC_SUCCESS;
 448 }
 449
 450 /*****************************************************************************
 451  * Deactivate: destroy X11 video thread output method
 452  *****************************************************************************
 453  * Terminate an output method created by Open
 454  *****************************************************************************/
 455 void E_(Deactivate) ( vlc_object_t *p_this )
 456 {
 457     vout_thread_t *p_vout = (vout_thread_t *)p_this;
 458
 459     /* If the fullscreen window is still open, close it */
 460     if( p_vout->b_fullscreen )
 461     {
 462         ToggleFullScreen( p_vout );
 463     }
 464
 465     /* Restore cursor if it was blanked */
 466     if( !p_vout->p_sys->b_mouse_pointer_visible )
 467     {
 468         ToggleCursor( p_vout );
 469     }
 470
 471 #ifdef MODULE_NAME_IS_x11
 472     /* Destroy colormap */
 473     if( XDefaultDepth(p_vout->p_sys->p_display, p_vout->p_sys->i_screen) == 8 )
 474     {
 475         XFreeColormap( p_vout->p_sys->p_display, p_vout->p_sys->colormap );
 476     }
 477 #elif defined(MODULE_NAME_IS_xvideo)
 478     XVideoReleasePort( p_vout, p_vout->p_sys->i_xvport );
 479 #elif defined(MODULE_NAME_IS_xvmc)
 480     if( p_vout->p_sys->xvmc_cap )
 481     {
 482         xvmc_context_writer_lock( &p_vout->p_sys->xvmc_lock );
 483         xxmc_dispose_context( p_vout );
 484         if( p_vout->p_sys->old_subpic )
 485         {
 486             xxmc_xvmc_free_subpicture( p_vout, p_vout->p_sys->old_subpic );
 487             p_vout->p_sys->old_subpic = NULL;
 488         }
 489         if( p_vout->p_sys->new_subpic )
 490         {
 491             xxmc_xvmc_free_subpicture( p_vout, p_vout->p_sys->new_subpic );
 492             p_vout->p_sys->new_subpic = NULL;
 493         }
 494         free( p_vout->p_sys->xvmc_cap );
 495         xvmc_context_writer_unlock( &p_vout->p_sys->xvmc_lock );
 496     }
 497 #endif
 498
 499 #ifdef HAVE_XSP
 500     DisablePixelDoubling(p_vout);
 501 #endif
 502
 503     DestroyCursor( p_vout );
 504     EnableXScreenSaver( p_vout );
 505     DestroyWindow( p_vout, &p_vout->p_sys->original_window );
 506     XCloseDisplay( p_vout->p_sys->p_display );
 507
 508     /* Destroy structure */
 509     vlc_mutex_destroy( &p_vout->p_sys->lock );
 510 #ifdef MODULE_NAME_IS_xvmc
 511     free_context_lock( &p_vout->p_sys->xvmc_lock );
 512 #endif
 513
 514 #ifdef HAVE_OSSO
 515     if ( p_vout->p_sys->p_octx != NULL ) {
 516         msg_Dbg( p_vout, "Deinitializing osso context" );
 517         osso_deinitialize( p_vout->p_sys->p_octx );
 518     }
 519 #endif
 520
 521     free( p_vout->p_sys );
 522 }
 523
 524 #ifdef MODULE_NAME_IS_xvmc
 525
 526 #define XINE_IMGFMT_YV12 (('2'<<24)|('1'<<16)|('V'<<8)|'Y')
 527
 528 /* called xlocked */
 529 static int xvmc_check_yv12( Display *display, XvPortID port )
 530 {
 531     XvImageFormatValues *formatValues;
 532     int                  formats;
 533     int                  i;
 534
 535     formatValues = XvListImageFormats( display, port, &formats );
 536
 537     for( i = 0; i < formats; i++ )
 538     {
 539         if( ( formatValues[i].id == XINE_IMGFMT_YV12 ) &&
 540             ( !( strncmp( formatValues[i].guid, "YV12", 4 ) ) ) )
 541         {
 542             XFree (formatValues);
 543             return 0;
 544         }
 545     }
 546
 547     XFree (formatValues);
 548     return 1;
 549 }
 550
 551 static void xvmc_sync_surface( vout_thread_t *p_vout, XvMCSurface * srf )
 552 {
 553     XvMCSyncSurface( p_vout->p_sys->p_display, srf );
 554 }
 555
 556 static void xvmc_update_XV_DOUBLE_BUFFER( vout_thread_t *p_vout )
 557 {
 558     Atom         atom;
 559     int          xv_double_buffer;
 560
 561     xv_double_buffer = 1;
 562
 563     XLockDisplay( p_vout->p_sys->p_display );
 564     atom = XInternAtom( p_vout->p_sys->p_display, "XV_DOUBLE_BUFFER", False );
 565 #if 0
 566     XvSetPortAttribute (p_vout->p_sys->p_display, p_vout->p_sys->i_xvport, atom, xv_double_buffer);
 567 #endif
 568     XvMCSetAttribute( p_vout->p_sys->p_display, &p_vout->p_sys->context, atom, xv_double_buffer );
 569     XUnlockDisplay( p_vout->p_sys->p_display );
 570
 571     //xprintf(this->xine, XINE_VERBOSITY_DEBUG,
 572     //    "video_out_xxmc: double buffering mode = %d\n", xv_double_buffer);
 573 }
 574
 575 static void RenderVideo( vout_thread_t *p_vout, picture_t *p_pic )
 576 {
 577     vlc_xxmc_t *xxmc = NULL;
 578
 579     vlc_mutex_lock( &p_vout->p_sys->lock );
 580     xvmc_context_reader_lock( &p_vout->p_sys->xvmc_lock );
 581
 582     xxmc = &p_pic->p_sys->xxmc_data;
 583     if( (!xxmc->decoded ||
 584         !xxmc_xvmc_surface_valid( p_vout, p_pic->p_sys->xvmc_surf )) )
 585     {
 586         vlc_mutex_unlock( &p_vout->p_sys->lock );
 587         xvmc_context_reader_unlock( &p_vout->p_sys->xvmc_lock );
 588         return;
 589     }
 590
 591     vlc_mutex_lock( &p_vout->lastsubtitle_lock );
 592
 593     if (p_vout->p_last_subtitle != NULL)
 594     {
 595         if( p_vout->p_sys->p_last_subtitle_save != p_vout->p_last_subtitle )
 596         {
 597             p_vout->p_sys->new_subpic =
 598                 xxmc_xvmc_alloc_subpicture( p_vout, &p_vout->p_sys->context,
 599                     p_vout->p_sys->xvmc_width,
 600                     p_vout->p_sys->xvmc_height,
 601                     p_vout->p_sys->xvmc_cap[p_vout->p_sys->xvmc_cur_cap].subPicType.id );
 602
 603             if (p_vout->p_sys->new_subpic)
 604             {
 605                 XVMCLOCKDISPLAY( p_vout->p_sys->p_display );
 606                 XvMCClearSubpicture( p_vout->p_sys->p_display,
 607                         p_vout->p_sys->new_subpic,
 608                         0,
 609                         0,
 610                         p_vout->p_sys->xvmc_width,
 611                         p_vout->p_sys->xvmc_height,
 612                         0x00 );
 613                 XVMCUNLOCKDISPLAY( p_vout->p_sys->p_display );
 614                 clear_xx44_palette( &p_vout->p_sys->palette );
 615
 616                 if( sub_pic.p_sys == NULL )
 617                 {
 618                     sub_pic.p_sys = malloc( sizeof( picture_sys_t ) );
 619                     if( sub_pic.p_sys != NULL )
 620                     {
 621                         sub_pic.p_sys->p_vout = p_vout;
 622                         sub_pic.p_sys->xvmc_surf = NULL;
 623                         sub_pic.p_sys->p_image = p_vout->p_sys->subImage;
 624                     }
 625                 }
 626                 sub_pic.p_sys->p_image = p_vout->p_sys->subImage;
 627                 sub_pic.p->p_pixels = sub_pic.p_sys->p_image->data;
 628                 sub_pic.p->i_pitch = p_vout->output.i_width;
 629
 630                 memset( p_vout->p_sys->subImage->data, 0,
 631                         (p_vout->p_sys->subImage->width * p_vout->p_sys->subImage->height) );
 632
 633                 if (p_vout->p_last_subtitle != NULL)
 634                 {
 635                     blend_xx44( p_vout->p_sys->subImage->data,
 636                                 p_vout->p_last_subtitle,
 637                                 p_vout->p_sys->subImage->width,
 638                                 p_vout->p_sys->subImage->height,
 639                                 p_vout->p_sys->subImage->width,
 640                                 &p_vout->p_sys->palette,
 641                                 (p_vout->p_sys->subImage->id == FOURCC_IA44) );
 642                 }
 643
 644                 XVMCLOCKDISPLAY( p_vout->p_sys->p_display );
 645                 XvMCCompositeSubpicture( p_vout->p_sys->p_display,
 646                                          p_vout->p_sys->new_subpic,
 647                                          p_vout->p_sys->subImage,
 648                                          0, /* overlay->x */
 649                                          0, /* overlay->y */
 650                                          p_vout->output.i_width, /* overlay->width, */
 651                                          p_vout->output.i_height, /* overlay->height */
 652                                          0, /* overlay->x */
 653                                          0 ); /*overlay->y */
 654                 XVMCUNLOCKDISPLAY( p_vout->p_sys->p_display );
 655                 if (p_vout->p_sys->old_subpic)
 656                 {
 657                     xxmc_xvmc_free_subpicture( p_vout,
 658                                                p_vout->p_sys->old_subpic);
 659                     p_vout->p_sys->old_subpic = NULL;
 660                 }
 661                 if (p_vout->p_sys->new_subpic)
 662                 {
 663                     p_vout->p_sys->old_subpic = p_vout->p_sys->new_subpic;
 664                     p_vout->p_sys->new_subpic = NULL;
 665                     xx44_to_xvmc_palette( &p_vout->p_sys->palette,
 666                             p_vout->p_sys->xvmc_palette,
 667                             0,
 668                             p_vout->p_sys->old_subpic->num_palette_entries,
 669                             p_vout->p_sys->old_subpic->entry_bytes,
 670                             p_vout->p_sys->old_subpic->component_order );
 671                     XVMCLOCKDISPLAY( p_vout->p_sys->p_display );
 672                     XvMCSetSubpicturePalette( p_vout->p_sys->p_display,
 673                                               p_vout->p_sys->old_subpic,
 674                                               p_vout->p_sys->xvmc_palette );
 675                     XvMCFlushSubpicture( p_vout->p_sys->p_display,
 676                                          p_vout->p_sys->old_subpic);
 677                     XvMCSyncSubpicture( p_vout->p_sys->p_display,
 678                                         p_vout->p_sys->old_subpic );
 679                     XVMCUNLOCKDISPLAY( p_vout->p_sys->p_display );
 680                 }
 681
 682                 XVMCLOCKDISPLAY( p_vout->p_sys->p_display);
 683                 if (p_vout->p_sys->xvmc_backend_subpic )
 684                 {
 685                     XvMCBlendSubpicture( p_vout->p_sys->p_display,
 686                                          p_pic->p_sys->xvmc_surf,
 687                                          p_vout->p_sys->old_subpic,
 688                                          0,
 689                                          0,
 690                                          p_vout->p_sys->xvmc_width,
 691                                          p_vout->p_sys->xvmc_height,
 692                                          0,
 693                                          0,
 694                                          p_vout->p_sys->xvmc_width,
 695                                          p_vout->p_sys->xvmc_height );
 696                 }
 697                 else
 698                 {
 699                     XvMCBlendSubpicture2( p_vout->p_sys->p_display,
 700                                           p_pic->p_sys->xvmc_surf,
 701                                           p_pic->p_sys->xvmc_surf,
 702                                           p_vout->p_sys->old_subpic,
 703                                           0,
 704                                           0,
 705                                           p_vout->p_sys->xvmc_width,
 706                                           p_vout->p_sys->xvmc_height,
 707                                           0,
 708                                           0,
 709                                           p_vout->p_sys->xvmc_width,
 710                                           p_vout->p_sys->xvmc_height );
 711                }
 712                XVMCUNLOCKDISPLAY(p_vout->p_sys->p_display);
 713             }
 714         }
 715         else
 716         {
 717             XVMCLOCKDISPLAY( p_vout->p_sys->p_display );
 718             if( p_vout->p_sys->xvmc_backend_subpic )
 719             {
 720                 XvMCBlendSubpicture( p_vout->p_sys->p_display,
 721                                      p_pic->p_sys->xvmc_surf,
 722                                      p_vout->p_sys->old_subpic,
 723                                      0, 0,
 724                                      p_vout->p_sys->xvmc_width,
 725                                      p_vout->p_sys->xvmc_height,
 726                                      0, 0,
 727                                      p_vout->p_sys->xvmc_width,
 728                                      p_vout->p_sys->xvmc_height );
 729             }
 730             else
 731             {
 732                 XvMCBlendSubpicture2( p_vout->p_sys->p_display,
 733                                       p_pic->p_sys->xvmc_surf,
 734                                       p_pic->p_sys->xvmc_surf,
 735                                       p_vout->p_sys->old_subpic,
 736                                       0, 0,
 737                                       p_vout->p_sys->xvmc_width,
 738                                       p_vout->p_sys->xvmc_height,
 739                                       0, 0,
 740                                       p_vout->p_sys->xvmc_width,
 741                                       p_vout->p_sys->xvmc_height );
 742             }
 743             XVMCUNLOCKDISPLAY( p_vout->p_sys->p_display );
 744         }
 745     }
 746     p_vout->p_sys->p_last_subtitle_save = p_vout->p_last_subtitle;
 747
 748     vlc_mutex_unlock( &p_vout->lastsubtitle_lock );
 749     xvmc_context_reader_unlock( &p_vout->p_sys->xvmc_lock );
 750
 751     vlc_mutex_unlock( &p_vout->p_sys->lock );
 752 }
 753 #endif
 754
 755 #ifdef HAVE_XSP
 756 /*****************************************************************************
 757  * EnablePixelDoubling: Enables pixel doubling
 758  *****************************************************************************
 759  * Checks if the double size image fits in current window, and enables pixel
 760  * doubling accordingly. The i_hw_scale is the integer scaling factor.
 761  *****************************************************************************/
 762 static void EnablePixelDoubling( vout_thread_t *p_vout )
 763 {
 764     int i_hor_scale = ( p_vout->p_sys->p_win->i_width ) / p_vout->render.i_width;
 765     int i_vert_scale =  ( p_vout->p_sys->p_win->i_height ) / p_vout->render.i_height;
 766     if ( ( i_hor_scale > 1 ) && ( i_vert_scale > 1 ) ) {
 767         p_vout->p_sys->i_hw_scale = 2;
 768         msg_Dbg( p_vout, "Enabling pixel doubling, scaling factor %d", p_vout->p_sys->i_hw_scale );
 769         XSPSetPixelDoubling( p_vout->p_sys->p_display, 0, 1 );
 770     }
 771 }
 772
 773 /*****************************************************************************
 774  * DisablePixelDoubling: Disables pixel doubling
 775  *****************************************************************************
 776  * The scaling factor i_hw_scale is reset to the no-scaling value 1.
 777  *****************************************************************************/
 778 static void DisablePixelDoubling( vout_thread_t *p_vout )
 779 {
 780     if ( p_vout->p_sys->i_hw_scale > 1 ) {
 781         msg_Dbg( p_vout, "Disabling pixel doubling" );
 782         XSPSetPixelDoubling( p_vout->p_sys->p_display, 0, 0 );
 783         p_vout->p_sys->i_hw_scale = 1;
 784     }
 785 }
 786 #endif
 787
 788
 789
 790 /*****************************************************************************
 791  * InitVideo: initialize X11 video thread output method
 792  *****************************************************************************
 793  * This function create the XImages needed by the output thread. It is called
 794  * at the beginning of the thread, but also each time the window is resized.
 795  *****************************************************************************/
 796 static int InitVideo( vout_thread_t *p_vout )
 797 {
 798     unsigned int i_index = 0;
 799     picture_t *p_pic;
 800
 801     I_OUTPUTPICTURES = 0;
 802
 803 #if defined(MODULE_NAME_IS_xvideo) || defined(MODULE_NAME_IS_xvmc)
 804     /* Initialize the output structure; we already found an XVideo port,
 805      * and the corresponding chroma we will be using. Since we can
 806      * arbitrary scale, stick to the coordinates and aspect. */
 807     p_vout->output.i_width  = p_vout->render.i_width;
 808     p_vout->output.i_height = p_vout->render.i_height;
 809     p_vout->output.i_aspect = p_vout->render.i_aspect;
 810
 811     p_vout->fmt_out = p_vout->fmt_in;
 812     p_vout->fmt_out.i_chroma = p_vout->output.i_chroma;
 813
 814     switch( p_vout->output.i_chroma )
 815     {
 816         case VLC_FOURCC('R','V','1','6'):
 817 #if defined( WORDS_BIGENDIAN )
 818             p_vout->output.i_rmask = 0xf800;
 819             p_vout->output.i_gmask = 0x07e0;
 820             p_vout->output.i_bmask = 0x001f;
 821 #else
 822             p_vout->output.i_rmask = 0x001f;
 823             p_vout->output.i_gmask = 0x07e0;
 824             p_vout->output.i_bmask = 0xf800;
 825 #endif
 826             break;
 827         case VLC_FOURCC('R','V','1','5'):
 828 #if defined( WORDS_BIGENDIAN )
 829             p_vout->output.i_rmask = 0x7c00;
 830             p_vout->output.i_gmask = 0x03e0;
 831             p_vout->output.i_bmask = 0x001f;
 832 #else
 833             p_vout->output.i_rmask = 0x001f;
 834             p_vout->output.i_gmask = 0x03e0;
 835             p_vout->output.i_bmask = 0x7c00;
 836 #endif
 837             break;
 838     }
 839
 840 #elif defined(MODULE_NAME_IS_x11)
 841     /* Initialize the output structure: RGB with square pixels, whatever
 842      * the input format is, since it's the only format we know */
 843     switch( p_vout->p_sys->i_screen_depth )
 844     {
 845         case 8: /* FIXME: set the palette */
 846             p_vout->output.i_chroma = VLC_FOURCC('R','G','B','2'); break;
 847         case 15:
 848             p_vout->output.i_chroma = VLC_FOURCC('R','V','1','5'); break;
 849         case 16:
 850             p_vout->output.i_chroma = VLC_FOURCC('R','V','1','6'); break;
 851         case 24:
 852         case 32:
 853             p_vout->output.i_chroma = VLC_FOURCC('R','V','3','2'); break;
 854         default:
 855             msg_Err( p_vout, "unknown screen depth %i",
 856                      p_vout->p_sys->i_screen_depth );
 857             return VLC_SUCCESS;
 858     }
 859
 860 #ifdef HAVE_XSP
 861     vout_PlacePicture( p_vout, p_vout->p_sys->p_win->i_width  / p_vout->p_sys->i_hw_scale,
 862                        p_vout->p_sys->p_win->i_height  / p_vout->p_sys->i_hw_scale,
 863                        &i_index, &i_index,
 864                        &p_vout->fmt_out.i_visible_width,
 865                        &p_vout->fmt_out.i_visible_height );
 866 #else
 867     vout_PlacePicture( p_vout, p_vout->p_sys->p_win->i_width,
 868                        p_vout->p_sys->p_win->i_height,
 869                        &i_index, &i_index,
 870                        &p_vout->fmt_out.i_visible_width,
 871                        &p_vout->fmt_out.i_visible_height );
 872 #endif
 873
 874     p_vout->fmt_out.i_chroma = p_vout->output.i_chroma;
 875
 876     p_vout->output.i_width = p_vout->fmt_out.i_width =
 877         p_vout->fmt_out.i_visible_width * p_vout->fmt_in.i_width /
 878         p_vout->fmt_in.i_visible_width;
 879     p_vout->output.i_height = p_vout->fmt_out.i_height =
 880         p_vout->fmt_out.i_visible_height * p_vout->fmt_in.i_height /
 881         p_vout->fmt_in.i_visible_height;
 882     p_vout->fmt_out.i_x_offset =
 883         p_vout->fmt_out.i_visible_width * p_vout->fmt_in.i_x_offset /
 884         p_vout->fmt_in.i_visible_width;
 885     p_vout->fmt_out.i_y_offset =
 886         p_vout->fmt_out.i_visible_height * p_vout->fmt_in.i_y_offset /
 887         p_vout->fmt_in.i_visible_height;
 888
 889     p_vout->fmt_out.i_sar_num = p_vout->fmt_out.i_sar_den = 1;
 890     p_vout->output.i_aspect = p_vout->fmt_out.i_aspect =
 891         p_vout->fmt_out.i_width * VOUT_ASPECT_FACTOR /p_vout->fmt_out.i_height;
 892
 893     msg_Dbg( p_vout, "x11 image size %ix%i (%i,%i,%ix%i)",
 894              p_vout->fmt_out.i_width, p_vout->fmt_out.i_height,
 895              p_vout->fmt_out.i_x_offset, p_vout->fmt_out.i_y_offset,
 896              p_vout->fmt_out.i_visible_width,
 897              p_vout->fmt_out.i_visible_height );
 898 #endif
 899
 900     /* Try to initialize up to MAX_DIRECTBUFFERS direct buffers */
 901     while( I_OUTPUTPICTURES < MAX_DIRECTBUFFERS )
 902     {
 903         p_pic = NULL;
 904
 905         /* Find an empty picture slot */
 906         for( i_index = 0 ; i_index < VOUT_MAX_PICTURES ; i_index++ )
 907         {
 908           if( p_vout->p_picture[ i_index ].i_status == FREE_PICTURE )
 909             {
 910                 p_pic = p_vout->p_picture + i_index;
 911                 break;
 912             }
 913         }
 914
 915         /* Allocate the picture */
 916         if( p_pic == NULL || NewPicture( p_vout, p_pic ) )
 917         {
 918             break;
 919         }
 920
 921         p_pic->i_status = DESTROYED_PICTURE;
 922         p_pic->i_type   = DIRECT_PICTURE;
 923
 924         PP_OUTPUTPICTURE[ I_OUTPUTPICTURES ] = p_pic;
 925
 926         I_OUTPUTPICTURES++;
 927     }
 928
 929     if( p_vout->output.i_chroma == VLC_FOURCC('Y','V','1','2') )
 930     {
 931         /* U and V inverted compared to I420
 932          * Fixme: this should be handled by the vout core */
 933         p_vout->output.i_chroma = VLC_FOURCC('I','4','2','0');
 934         p_vout->fmt_out.i_chroma = VLC_FOURCC('I','4','2','0');
 935     }
 936
 937     return VLC_SUCCESS;
 938 }
 939
 940 /*****************************************************************************
 941  * DisplayVideo: displays previously rendered output
 942  *****************************************************************************
 943  * This function sends the currently rendered image to X11 server.
 944  * (The Xv extension takes care of "double-buffering".)
 945  *****************************************************************************/
 946 static void DisplayVideo( vout_thread_t *p_vout, picture_t *p_pic )
 947 {
 948     unsigned int i_width, i_height, i_x, i_y;
 949
 950     vout_PlacePicture( p_vout, p_vout->p_sys->p_win->i_width,
 951                        p_vout->p_sys->p_win->i_height,
 952                        &i_x, &i_y, &i_width, &i_height );
 953
 954     vlc_mutex_lock( &p_vout->p_sys->lock );
 955
 956 #ifdef MODULE_NAME_IS_xvmc
 957     xvmc_context_reader_lock( &p_vout->p_sys->xvmc_lock );
 958
 959     vlc_xxmc_t *xxmc = &p_picture->p_sys->xxmc_data;
 960     if( !xxmc->decoded ||
 961         !xxmc_xvmc_surface_valid( p_vout, p_picture->p_sys->xvmc_surf ) )
 962     {
 963       msg_Dbg( p_vout, "DisplayVideo decoded=%d\tsurfacevalid=%d",
 964                xxmc->decoded,
 965                xxmc_xvmc_surface_valid( p_vout, p_picture->p_sys->xvmc_surf ) );
 966       vlc_mutex_unlock( &p_vout->p_sys->lock );
 967       xvmc_context_reader_unlock( &p_vout->p_sys->xvmc_lock );
 968       return;
 969     }
 970
 971     src_width = p_vout->output.i_width;
 972     src_height = p_vout->output.i_height;
 973
 974     if( p_vout->p_sys->xvmc_crop_style == 1 )
 975     {
 976         src_x = 20;
 977         src_y = 20;
 978         src_width -= 40;
 979         src_height -= 40;
 980     }
 981     else if( p_vout->p_sys->xvmc_crop_style == 2 )
 982     {
 983         src_x = 20;
 984         src_y = 40;
 985         src_width -= 40;
 986         src_height -= 80;
 987     }
 988     else if( p_vout->p_sys->xvmc_crop_style == 3 )
 989     {
 990         src_x = 40;
 991         src_y = 20;
 992         src_width -= 80;
 993         src_height -= 40;
 994     }
 995     else
 996     {
 997         src_x = 0;
 998         src_y = 0;
 999     }
1000
1001     if( p_vout->p_sys->xvmc_deinterlace_method > 0 )
1002     {   /* BOB DEINTERLACE */
1003         if( (p_picture->p_sys->nb_display == 0) ||
1004             (p_vout->p_sys->xvmc_deinterlace_method == 1) )
1005         {
1006             first_field = (p_picture->b_top_field_first) ?
1007                                 XVMC_BOTTOM_FIELD : XVMC_TOP_FIELD;
1008         }
1009         else
1010         {
1011             first_field = (p_picture->b_top_field_first) ?
1012                                 XVMC_TOP_FIELD : XVMC_BOTTOM_FIELD;
1013         }
1014     }
1015     else
1016     {
1017         first_field = XVMC_FRAME_PICTURE;
1018      }
1019
1020     XVMCLOCKDISPLAY( p_vout->p_sys->p_display );
1021     XvMCFlushSurface( p_vout->p_sys->p_display, p_picture->p_sys->xvmc_surf );
1022     /* XvMCSyncSurface(p_vout->p_sys->p_display, p_picture->p_sys->xvmc_surf); */
1023     XvMCPutSurface( p_vout->p_sys->p_display,
1024                     p_picture->p_sys->xvmc_surf,
1025                     p_vout->p_sys->p_win->video_window,
1026                     src_x,
1027                     src_y,
1028                     src_width,
1029                     src_height,
1030                     0 /*dest_x*/,
1031                     0 /*dest_y*/,
1032                     i_width,
1033                     i_height,
1034                     first_field);
1035
1036     XVMCUNLOCKDISPLAY( p_vout->p_sys->p_display );
1037     if( p_vout->p_sys->xvmc_deinterlace_method == 2 )
1038     {   /* BOB DEINTERLACE */
1039         if( p_picture->p_sys->nb_display == 0 )/* && ((t2-t1) < 15000)) */
1040         {
1041             mtime_t last_date = p_picture->date;
1042
1043             vlc_mutex_lock( &p_vout->picture_lock );
1044             if( !p_vout->p_sys->last_date )
1045             {
1046                 p_picture->date += 20000;
1047             }
1048             else
1049             {
1050                 p_picture->date = ((3 * p_picture->date -
1051                                     p_vout->p_sys->last_date) / 2 );
1052             }
1053             p_vout->p_sys->last_date = last_date;
1054             p_picture->b_force = 1;
1055             p_picture->p_sys->nb_display = 1;
1056             vlc_mutex_unlock( &p_vout->picture_lock );
1057         }
1058         else
1059         {
1060             p_picture->p_sys->nb_display = 0;
1061             p_picture->b_force = 0;
1062         }
1063     }
1064     xvmc_context_reader_unlock( &p_vout->p_sys->xvmc_lock );
1065 #endif
1066
1067 #ifdef HAVE_SYS_SHM_H
1068     if( p_vout->p_sys->b_shm )
1069     {
1070         /* Display rendered image using shared memory extension */
1071 #   if defined(MODULE_NAME_IS_xvideo) || defined(MODULE_NAME_IS_xvmc)
1072         XvShmPutImage( p_vout->p_sys->p_display, p_vout->p_sys->i_xvport,
1073                        p_vout->p_sys->p_win->video_window,
1074                        p_vout->p_sys->p_win->gc, p_pic->p_sys->p_image,
1075                        p_vout->fmt_out.i_x_offset,
1076                        p_vout->fmt_out.i_y_offset,
1077                        p_vout->fmt_out.i_visible_width,
1078                        p_vout->fmt_out.i_visible_height,
1079                        0 /*dest_x*/, 0 /*dest_y*/, i_width, i_height,
1080                        False /* Don't put True here or you'll waste your CPU */ );
1081 #   else
1082         XShmPutImage( p_vout->p_sys->p_display,
1083                       p_vout->p_sys->p_win->video_window,
1084                       p_vout->p_sys->p_win->gc, p_pic->p_sys->p_image,
1085                       p_vout->fmt_out.i_x_offset,
1086                       p_vout->fmt_out.i_y_offset,
1087                       0 /*dest_x*/, 0 /*dest_y*/,
1088                       p_vout->fmt_out.i_visible_width,
1089                       p_vout->fmt_out.i_visible_height,
1090                       False /* Don't put True here ! */ );
1091 #   endif
1092     }
1093     else
1094 #endif /* HAVE_SYS_SHM_H */
1095     {
1096         /* Use standard XPutImage -- this is gonna be slow ! */
1097 #if defined(MODULE_NAME_IS_xvideo) || defined(MODULE_NAME_IS_xvmc)
1098         XvPutImage( p_vout->p_sys->p_display, p_vout->p_sys->i_xvport,
1099                     p_vout->p_sys->p_win->video_window,
1100                     p_vout->p_sys->p_win->gc, p_pic->p_sys->p_image,
1101                     p_vout->fmt_out.i_x_offset,
1102                     p_vout->fmt_out.i_y_offset,
1103                     p_vout->fmt_out.i_visible_width,
1104                     p_vout->fmt_out.i_visible_height,
1105                     0 /*dest_x*/, 0 /*dest_y*/, i_width, i_height );
1106 #else
1107         XPutImage( p_vout->p_sys->p_display,
1108                    p_vout->p_sys->p_win->video_window,
1109                    p_vout->p_sys->p_win->gc, p_pic->p_sys->p_image,
1110                    p_vout->fmt_out.i_x_offset,
1111                    p_vout->fmt_out.i_y_offset,
1112                    0 /*dest_x*/, 0 /*dest_y*/,
1113                    p_vout->fmt_out.i_visible_width,
1114                    p_vout->fmt_out.i_visible_height );
1115 #endif
1116     }
1117
1118     /* Make sure the command is sent now - do NOT use XFlush !*/
1119     XSync( p_vout->p_sys->p_display, False );
1120
1121     vlc_mutex_unlock( &p_vout->p_sys->lock );
1122 }
1123
1124 /*****************************************************************************
1125  * ManageVideo: handle X11 events
1126  *****************************************************************************
1127  * This function should be called regularly by video output thread. It manages
1128  * X11 events and allows window resizing. It returns a non null value on
1129  * error.
1130  *****************************************************************************/
1131 static int ManageVideo( vout_thread_t *p_vout )
1132 {
1133     XEvent      xevent;                                         /* X11 event */
1134     vlc_value_t val;
1135
1136     vlc_mutex_lock( &p_vout->p_sys->lock );
1137
1138 #ifdef MODULE_NAME_IS_xvmc
1139     xvmc_context_reader_lock( &p_vout->p_sys->xvmc_lock );
1140 #endif
1141
1142     /* Handle events from the owner window */
1143     if( p_vout->p_sys->p_win->owner_window )
1144     {
1145         while( XCheckWindowEvent( p_vout->p_sys->p_display,
1146                                   p_vout->p_sys->p_win->owner_window,
1147                                   StructureNotifyMask, &xevent ) == True )
1148         {
1149             /* ConfigureNotify event: prepare  */
1150             if( xevent.type == ConfigureNotify )
1151             {
1152                 /* Update dimensions */
1153                 XResizeWindow( p_vout->p_sys->p_display,
1154                                p_vout->p_sys->p_win->base_window,
1155                                xevent.xconfigure.width,
1156                                xevent.xconfigure.height );
1157             }
1158         }
1159     }
1160
1161     /* Handle X11 events: ConfigureNotify events are parsed to know if the
1162      * output window's size changed, MapNotify and UnmapNotify to know if the
1163      * window is mapped (and if the display is useful), and ClientMessages
1164      * to intercept window destruction requests */
1165
1166     while( XCheckWindowEvent( p_vout->p_sys->p_display,
1167                               p_vout->p_sys->p_win->base_window,
1168                               StructureNotifyMask | KeyPressMask |
1169                               ButtonPressMask | ButtonReleaseMask |
1170                               PointerMotionMask | Button1MotionMask , &xevent )
1171            == True )
1172     {
1173         /* ConfigureNotify event: prepare  */
1174         if( xevent.type == ConfigureNotify )
1175         {
1176             if( (unsigned int)xevent.xconfigure.width
1177                    != p_vout->p_sys->p_win->i_width
1178               || (unsigned int)xevent.xconfigure.height
1179                     != p_vout->p_sys->p_win->i_height )
1180             {
1181                 /* Update dimensions */
1182                 p_vout->i_changes |= VOUT_SIZE_CHANGE;
1183                 p_vout->p_sys->p_win->i_width = xevent.xconfigure.width;
1184                 p_vout->p_sys->p_win->i_height = xevent.xconfigure.height;
1185             }
1186         }
1187         /* Keyboard event */
1188         else if( xevent.type == KeyPress )
1189         {
1190             unsigned int state = xevent.xkey.state;
1191             KeySym x_key_symbol;
1192             char i_key;                                   /* ISO Latin-1 key */
1193
1194             /* We may have keys like F1 trough F12, ESC ... */
1195             x_key_symbol = XKeycodeToKeysym( p_vout->p_sys->p_display,
1196                                              xevent.xkey.keycode, 0 );
1197             val.i_int = ConvertKey( (int)x_key_symbol );
1198
1199             xevent.xkey.state &= ~ShiftMask;
1200             xevent.xkey.state &= ~ControlMask;
1201             xevent.xkey.state &= ~Mod1Mask;
1202
1203             if( !val.i_int &&
1204                 XLookupString( &xevent.xkey, &i_key, 1, NULL, NULL ) )
1205             {
1206                 /* "Normal Keys"
1207                  * The reason why I use this instead of XK_0 is that
1208                  * with XLookupString, we don't have to care about
1209                  * keymaps. */
1210                 val.i_int = i_key;
1211             }
1212
1213             if( val.i_int )
1214             {
1215                 if( state & ShiftMask )
1216                 {
1217                     val.i_int |= KEY_MODIFIER_SHIFT;
1218                 }
1219                 if( state & ControlMask )
1220                 {
1221                     val.i_int |= KEY_MODIFIER_CTRL;
1222                 }
1223                 if( state & Mod1Mask )
1224                 {
1225                     val.i_int |= KEY_MODIFIER_ALT;
1226                 }
1227                 var_Set( p_vout->p_libvlc, "key-pressed", val );
1228             }
1229         }
1230         /* Mouse click */
1231         else if( xevent.type == ButtonPress )
1232         {
1233             switch( ((XButtonEvent *)&xevent)->button )
1234             {
1235                 case Button1:
1236                     var_Get( p_vout, "mouse-button-down", &val );
1237                     val.i_int |= 1;
1238                     var_Set( p_vout, "mouse-button-down", val );
1239
1240                     /* detect double-clicks */
1241                     if( ( ((XButtonEvent *)&xevent)->time -
1242                           p_vout->p_sys->i_time_button_last_pressed ) < 300 )
1243                     {
1244                         p_vout->i_changes |= VOUT_FULLSCREEN_CHANGE;
1245                     }
1246
1247                     p_vout->p_sys->i_time_button_last_pressed =
1248                         ((XButtonEvent *)&xevent)->time;
1249                     break;
1250                 case Button2:
1251                     var_Get( p_vout, "mouse-button-down", &val );
1252                     val.i_int |= 2;
1253                     var_Set( p_vout, "mouse-button-down", val );
1254                     break;
1255
1256                 case Button3:
1257                     var_Get( p_vout, "mouse-button-down", &val );
1258                     val.i_int |= 4;
1259                     var_Set( p_vout, "mouse-button-down", val );
1260                     break;
1261
1262                 case Button4:
1263                     var_Get( p_vout, "mouse-button-down", &val );
1264                     val.i_int |= 8;
1265                     var_Set( p_vout, "mouse-button-down", val );
1266                     break;
1267
1268                 case Button5:
1269                     var_Get( p_vout, "mouse-button-down", &val );
1270                     val.i_int |= 16;
1271                     var_Set( p_vout, "mouse-button-down", val );
1272                     break;
1273             }
1274         }
1275         /* Mouse release */
1276         else if( xevent.type == ButtonRelease )
1277         {
1278             switch( ((XButtonEvent *)&xevent)->button )
1279             {
1280                 case Button1:
1281                     var_Get( p_vout, "mouse-button-down", &val );
1282                     val.i_int &= ~1;
1283                     var_Set( p_vout, "mouse-button-down", val );
1284
1285                     val.b_bool = VLC_TRUE;
1286                     var_Set( p_vout, "mouse-clicked", val );
1287                     break;
1288
1289                 case Button2:
1290                     {
1291                         playlist_t *p_playlist;
1292
1293                         var_Get( p_vout, "mouse-button-down", &val );
1294                         val.i_int &= ~2;
1295                         var_Set( p_vout, "mouse-button-down", val );
1296
1297                         p_playlist = vlc_object_find( p_vout,
1298                                                       VLC_OBJECT_PLAYLIST,
1299                                                       FIND_ANYWHERE );
1300                         if( p_playlist != NULL )
1301                         {
1302                             vlc_value_t val;
1303                             var_Get( p_playlist, "intf-show", &val );
1304                             val.b_bool = !val.b_bool;
1305                             var_Set( p_playlist, "intf-show", val );
1306                             vlc_object_release( p_playlist );
1307                         }
1308                     }
1309                     break;
1310
1311                 case Button3:
1312                     {
1313                         intf_thread_t *p_intf;
1314                         playlist_t *p_playlist;
1315
1316                         var_Get( p_vout, "mouse-button-down", &val );
1317                         val.i_int &= ~4;
1318                         var_Set( p_vout, "mouse-button-down", val );
1319                         p_intf = vlc_object_find( p_vout, VLC_OBJECT_INTF,
1320                                                           FIND_ANYWHERE );
1321                         if( p_intf )
1322                         {
1323                             p_intf->b_menu_change = 1;
1324                             vlc_object_release( p_intf );
1325                         }
1326
1327                         p_playlist = vlc_object_find( p_vout,
1328                                                       VLC_OBJECT_PLAYLIST,
1329                                                       FIND_ANYWHERE );
1330                         if( p_playlist != NULL )
1331                         {
1332                             vlc_value_t val; val.b_bool = VLC_TRUE;
1333                             var_Set( p_playlist, "intf-popupmenu", val );
1334                             vlc_object_release( p_playlist );
1335                         }
1336                     }
1337                     break;
1338
1339                 case Button4:
1340                     var_Get( p_vout, "mouse-button-down", &val );
1341                     val.i_int &= ~8;
1342                     var_Set( p_vout, "mouse-button-down", val );
1343                     break;
1344
1345                 case Button5:
1346                     var_Get( p_vout, "mouse-button-down", &val );
1347                     val.i_int &= ~16;
1348                     var_Set( p_vout, "mouse-button-down", val );
1349                     break;
1350
1351             }
1352         }
1353         /* Mouse move */
1354         else if( xevent.type == MotionNotify )
1355         {
1356             unsigned int i_width, i_height, i_x, i_y;
1357             vlc_value_t val;
1358
1359             /* somewhat different use for vout_PlacePicture:
1360              * here the values are needed to give to mouse coordinates
1361              * in the original picture space */
1362             vout_PlacePicture( p_vout, p_vout->p_sys->p_win->i_width,
1363                                p_vout->p_sys->p_win->i_height,
1364                                &i_x, &i_y, &i_width, &i_height );
1365
1366             val.i_int = ( xevent.xmotion.x - i_x ) *
1367                 p_vout->fmt_in.i_visible_width / i_width +
1368                 p_vout->fmt_in.i_x_offset;
1369             var_Set( p_vout, "mouse-x", val );
1370             val.i_int = ( xevent.xmotion.y - i_y ) *
1371                 p_vout->fmt_in.i_visible_height / i_height +
1372                 p_vout->fmt_in.i_y_offset;
1373             var_Set( p_vout, "mouse-y", val );
1374
1375             val.b_bool = VLC_TRUE;
1376             var_Set( p_vout, "mouse-moved", val );
1377
1378             p_vout->p_sys->i_time_mouse_last_moved = mdate();
1379             if( ! p_vout->p_sys->b_mouse_pointer_visible )
1380             {
1381                 ToggleCursor( p_vout );
1382             }
1383         }
1384         else if( xevent.type == ReparentNotify /* XXX: why do we get this? */
1385                   || xevent.type == MapNotify
1386                   || xevent.type == UnmapNotify )
1387         {
1388             /* Ignore these events */
1389         }
1390         else /* Other events */
1391         {
1392             msg_Warn( p_vout, "unhandled event %d received", xevent.type );
1393         }
1394     }
1395
1396     /* Handle events for video output sub-window */
1397     while( XCheckWindowEvent( p_vout->p_sys->p_display,
1398                               p_vout->p_sys->p_win->video_window,
1399                               ExposureMask, &xevent ) == True )
1400     {
1401         /* Window exposed (only handled if stream playback is paused) */
1402         if( xevent.type == Expose )
1403         {
1404             if( ((XExposeEvent *)&xevent)->count == 0 )
1405             {
1406                 /* (if this is the last a collection of expose events...) */
1407 #if 0
1408                 if( p_vout->p_libvlc->p_input_bank->pp_input[0] != NULL )
1409                 {
1410                     if( PAUSE_S == p_vout->p_libvlc->p_input_bank->pp_input[0]
1411                                                    ->stream.control.i_status )
1412                     {
1413                         /* XVideoDisplay( p_vout )*/;
1414                     }
1415                 }
1416 #endif
1417             }
1418         }
1419     }
1420
1421     /* ClientMessage event - only WM_PROTOCOLS with WM_DELETE_WINDOW data
1422      * are handled - according to the man pages, the format is always 32
1423      * in this case */
1424     while( XCheckTypedEvent( p_vout->p_sys->p_display,
1425                              ClientMessage, &xevent ) )
1426     {
1427         if( (xevent.xclient.message_type == p_vout->p_sys->p_win->wm_protocols)
1428                && ((Atom)xevent.xclient.data.l[0]
1429                      == p_vout->p_sys->p_win->wm_delete_window ) )
1430         {
1431             /* the user wants to close the window */
1432             playlist_t * p_playlist =
1433                 (playlist_t *)vlc_object_find( p_vout, VLC_OBJECT_PLAYLIST,
1434                                                FIND_ANYWHERE );
1435             if( p_playlist != NULL )
1436             {
1437                 playlist_Stop( p_playlist );
1438                 vlc_object_release( p_playlist );
1439             }
1440         }
1441     }
1442
1443     /*
1444      * Fullscreen Change
1445      */
1446     if ( p_vout->i_changes & VOUT_FULLSCREEN_CHANGE )
1447     {
1448         vlc_value_t val_fs, val_ontop;
1449
1450         /* Update the object variable and trigger callback */
1451         val_fs.b_bool = !p_vout->b_fullscreen;
1452
1453         var_Set( p_vout, "fullscreen", val_fs );
1454
1455         /* Disable "always on top" in fullscreen mode */
1456         var_Get( p_vout, "video-on-top", &val_ontop );
1457         if( val_ontop.b_bool )
1458             WindowOnTop( p_vout, val_fs.b_bool );
1459
1460         ToggleFullScreen( p_vout );
1461         p_vout->i_changes &= ~VOUT_FULLSCREEN_CHANGE;
1462     }
1463
1464     if( p_vout->i_changes & VOUT_CROP_CHANGE ||
1465         p_vout->i_changes & VOUT_ASPECT_CHANGE )
1466     {
1467         p_vout->i_changes &= ~VOUT_CROP_CHANGE;
1468         p_vout->i_changes &= ~VOUT_ASPECT_CHANGE;
1469
1470         p_vout->fmt_out.i_x_offset = p_vout->fmt_in.i_x_offset;
1471         p_vout->fmt_out.i_y_offset = p_vout->fmt_in.i_y_offset;
1472         p_vout->fmt_out.i_visible_width = p_vout->fmt_in.i_visible_width;
1473         p_vout->fmt_out.i_visible_height = p_vout->fmt_in.i_visible_height;
1474         p_vout->fmt_out.i_aspect = p_vout->fmt_in.i_aspect;
1475         p_vout->fmt_out.i_sar_num = p_vout->fmt_in.i_sar_num;
1476         p_vout->fmt_out.i_sar_den = p_vout->fmt_in.i_sar_den;
1477         p_vout->output.i_aspect = p_vout->fmt_in.i_aspect;
1478
1479         p_vout->i_changes |= VOUT_SIZE_CHANGE;
1480     }
1481
1482     /*
1483      * Size change
1484      *
1485      * (Needs to be placed after VOUT_FULLSREEN_CHANGE because we can activate
1486      *  the size flag inside the fullscreen routine)
1487      */
1488     if( p_vout->i_changes & VOUT_SIZE_CHANGE )
1489     {
1490         unsigned int i_width, i_height, i_x, i_y;
1491
1492         p_vout->i_changes &= ~VOUT_SIZE_CHANGE;
1493
1494 #ifdef MODULE_NAME_IS_x11
1495         /* We need to signal the vout thread about the size change because it
1496          * is doing the rescaling */
1497         p_vout->i_changes |= VOUT_SIZE_CHANGE;
1498 #endif
1499
1500         vout_PlacePicture( p_vout, p_vout->p_sys->p_win->i_width,
1501                            p_vout->p_sys->p_win->i_height,
1502                            &i_x, &i_y, &i_width, &i_height );
1503
1504         XMoveResizeWindow( p_vout->p_sys->p_display,
1505                            p_vout->p_sys->p_win->video_window,
1506                            i_x, i_y, i_width, i_height );
1507     }
1508
1509     /* Autohide Cursour */
1510     if( mdate() - p_vout->p_sys->i_time_mouse_last_moved > 2000000 )
1511     {
1512         /* Hide the mouse automatically */
1513         if( p_vout->p_sys->b_mouse_pointer_visible )
1514         {
1515             ToggleCursor( p_vout );
1516         }
1517     }
1518
1519 #ifdef MODULE_NAME_IS_xvmc
1520     xvmc_context_reader_unlock( &p_vout->p_sys->xvmc_lock );
1521 #endif
1522
1523 #ifdef HAVE_OSSO
1524     if ( p_vout->p_sys->p_octx != NULL ) {
1525         if ( p_vout->p_sys->i_backlight_on_counter == i_backlight_on_interval ) {
1526             if ( osso_display_blanking_pause( p_vout->p_sys->p_octx ) != OSSO_OK ) {
1527                 msg_Err( p_vout, "Could not disable backlight blanking" );
1528         } else {
1529                 msg_Dbg( p_vout, "Backlight blanking disabled" );
1530             }
1531             p_vout->p_sys->i_backlight_on_counter = 0;
1532         } else {
1533             p_vout->p_sys->i_backlight_on_counter ++;
1534         }
1535     }
1536 #endif
1537
1538     vlc_mutex_unlock( &p_vout->p_sys->lock );
1539     return 0;
1540 }
1541
1542 /*****************************************************************************
1543  * EndVideo: terminate X11 video thread output method
1544  *****************************************************************************
1545  * Destroy the X11 XImages created by Init. It is called at the end of
1546  * the thread, but also each time the window is resized.
1547  *****************************************************************************/
1548 static void EndVideo( vout_thread_t *p_vout )
1549 {
1550     int i_index;
1551
1552     /* Free the direct buffers we allocated */
1553     for( i_index = I_OUTPUTPICTURES ; i_index ; )
1554     {
1555         i_index--;
1556         FreePicture( p_vout, PP_OUTPUTPICTURE[ i_index ] );
1557     }
1558 }
1559
1560 /* following functions are local */
1561
1562 /*****************************************************************************
1563  * CreateWindow: open and set-up X11 main window
1564  *****************************************************************************/
1565 static int CreateWindow( vout_thread_t *p_vout, x11_window_t *p_win )
1566 {
1567     XSizeHints              xsize_hints;
1568     XSetWindowAttributes    xwindow_attributes;
1569     XGCValues               xgcvalues;
1570     XEvent                  xevent;
1571
1572     vlc_bool_t              b_expose = VLC_FALSE;
1573     vlc_bool_t              b_configure_notify = VLC_FALSE;
1574     vlc_bool_t              b_map_notify = VLC_FALSE;
1575     vlc_value_t             val;
1576
1577     /* Prepare window manager hints and properties */
1578     p_win->wm_protocols =
1579              XInternAtom( p_vout->p_sys->p_display, "WM_PROTOCOLS", True );
1580     p_win->wm_delete_window =
1581              XInternAtom( p_vout->p_sys->p_display, "WM_DELETE_WINDOW", True );
1582
1583     /* Never have a 0-pixel-wide window */
1584     xsize_hints.min_width = 2;
1585     xsize_hints.min_height = 1;
1586
1587     /* Prepare window attributes */
1588     xwindow_attributes.backing_store = Always;       /* save the hidden part */
1589     xwindow_attributes.background_pixel = BlackPixel(p_vout->p_sys->p_display,
1590                                                      p_vout->p_sys->i_screen);
1591     xwindow_attributes.event_mask = ExposureMask | StructureNotifyMask;
1592
1593     if( !p_vout->b_fullscreen )
1594     {
1595         p_win->owner_window =
1596             (Window)vout_RequestWindow( p_vout, &p_win->i_x, &p_win->i_y,
1597                                         &p_win->i_width, &p_win->i_height );
1598
1599         xsize_hints.base_width  = xsize_hints.width = p_win->i_width;
1600         xsize_hints.base_height = xsize_hints.height = p_win->i_height;
1601         xsize_hints.flags       = PSize | PMinSize;
1602
1603         if( p_win->i_x >=0 || p_win->i_y >= 0 )
1604         {
1605             xsize_hints.x = p_win->i_x;
1606             xsize_hints.y = p_win->i_y;
1607             xsize_hints.flags |= PPosition;
1608         }
1609     }
1610     else
1611     {
1612         /* Fullscreen window size and position */
1613         p_win->owner_window = 0;
1614         p_win->i_x = p_win->i_y = 0;
1615         p_win->i_width =
1616             DisplayWidth( p_vout->p_sys->p_display, p_vout->p_sys->i_screen );
1617         p_win->i_height =
1618             DisplayHeight( p_vout->p_sys->p_display, p_vout->p_sys->i_screen );
1619     }
1620
1621     if( !p_win->owner_window )
1622     {
1623         /* Create the window and set hints - the window must receive
1624          * ConfigureNotify events, and until it is displayed, Expose and
1625          * MapNotify events. */
1626
1627         p_win->base_window =
1628             XCreateWindow( p_vout->p_sys->p_display,
1629                            DefaultRootWindow( p_vout->p_sys->p_display ),
1630                            p_win->i_x, p_win->i_y,
1631                            p_win->i_width, p_win->i_height,
1632                            0,
1633                            0, InputOutput, 0,
1634                            CWBackingStore | CWBackPixel | CWEventMask,
1635                            &xwindow_attributes );
1636
1637         var_Get( p_vout, "video-title", &val );
1638         if( !val.psz_string || !*val.psz_string )
1639         {
1640             XStoreName( p_vout->p_sys->p_display, p_win->base_window,
1641 #ifdef MODULE_NAME_IS_x11
1642                         VOUT_TITLE " (X11 output)"
1643 #elif defined(MODULE_NAME_IS_glx)
1644                         VOUT_TITLE " (GLX output)"
1645 #else
1646                         VOUT_TITLE " (XVideo output)"
1647 #endif
1648               );
1649         }
1650         else
1651         {
1652             XStoreName( p_vout->p_sys->p_display,
1653                         p_win->base_window, val.psz_string );
1654         }
1655         if( val.psz_string ) free( val.psz_string );
1656
1657         if( !p_vout->b_fullscreen )
1658         {
1659             /* Set window manager hints and properties: size hints, command,
1660              * window's name, and accepted protocols */
1661             XSetWMNormalHints( p_vout->p_sys->p_display,
1662                                p_win->base_window, &xsize_hints );
1663             XSetCommand( p_vout->p_sys->p_display, p_win->base_window,
1664                          p_vout->p_libvlc->ppsz_argv, p_vout->p_libvlc->i_argc );
1665
1666             if( !var_GetBool( p_vout, "video-deco") )
1667             {
1668                 Atom prop;
1669                 mwmhints_t mwmhints;
1670
1671                 mwmhints.flags = MWM_HINTS_DECORATIONS;
1672                 mwmhints.decorations = False;
1673
1674                 prop = XInternAtom( p_vout->p_sys->p_display, "_MOTIF_WM_HINTS",
1675                                     False );
1676
1677                 XChangeProperty( p_vout->p_sys->p_display,
1678                                  p_win->base_window,
1679                                  prop, prop, 32, PropModeReplace,
1680                                  (unsigned char *)&mwmhints,
1681                                  PROP_MWM_HINTS_ELEMENTS );
1682             }
1683         }
1684     }
1685     else
1686     {
1687         Window dummy1;
1688         int dummy2, dummy3;
1689         unsigned int dummy4, dummy5;
1690
1691         /* Select events we are interested in. */
1692         XSelectInput( p_vout->p_sys->p_display, p_win->owner_window,
1693                       StructureNotifyMask );
1694
1695         /* Get the parent window's geometry information */
1696         XGetGeometry( p_vout->p_sys->p_display, p_win->owner_window,
1697                       &dummy1, &dummy2, &dummy3,
1698                       &p_win->i_width,
1699                       &p_win->i_height,
1700                       &dummy4, &dummy5 );
1701
1702         /* We are already configured */
1703         b_configure_notify = VLC_TRUE;
1704
1705         /* From man XSelectInput: only one client at a time can select a
1706          * ButtonPress event, so we need to open a new window anyway. */
1707         p_win->base_window =
1708             XCreateWindow( p_vout->p_sys->p_display,
1709                            p_win->owner_window,
1710                            0, 0,
1711                            p_win->i_width, p_win->i_height,
1712                            0,
1713                            0, CopyFromParent, 0,
1714                            CWBackingStore | CWBackPixel | CWEventMask,
1715                            &xwindow_attributes );
1716     }
1717
1718     if( (p_win->wm_protocols == None)        /* use WM_DELETE_WINDOW */
1719         || (p_win->wm_delete_window == None)
1720         || !XSetWMProtocols( p_vout->p_sys->p_display, p_win->base_window,
1721                              &p_win->wm_delete_window, 1 ) )
1722     {
1723         /* WM_DELETE_WINDOW is not supported by window manager */
1724         msg_Warn( p_vout, "missing or bad window manager" );
1725     }
1726
1727     /* Creation of a graphic context that doesn't generate a GraphicsExpose
1728      * event when using functions like XCopyArea */
1729     xgcvalues.graphics_exposures = False;
1730     p_win->gc = XCreateGC( p_vout->p_sys->p_display,
1731                            p_win->base_window,
1732                            GCGraphicsExposures, &xgcvalues );
1733
1734     /* Send orders to server, and wait until window is displayed - three
1735      * events must be received: a MapNotify event, an Expose event allowing
1736      * drawing in the window, and a ConfigureNotify to get the window
1737      * dimensions. Once those events have been received, only
1738      * ConfigureNotify events need to be received. */
1739     XMapWindow( p_vout->p_sys->p_display, p_win->base_window );
1740     do
1741     {
1742         XWindowEvent( p_vout->p_sys->p_display, p_win->base_window,
1743                       SubstructureNotifyMask | StructureNotifyMask |
1744                       ExposureMask, &xevent);
1745         if( (xevent.type == Expose)
1746             && (xevent.xexpose.window == p_win->base_window) )
1747         {
1748             b_expose = VLC_TRUE;
1749             /* ConfigureNotify isn't sent if there isn't a window manager.
1750              * Expose should be the last event to be received so it should
1751              * be fine to assume we won't receive it anymore. */
1752             b_configure_notify = VLC_TRUE;
1753         }
1754         else if( (xevent.type == MapNotify)
1755                  && (xevent.xmap.window == p_win->base_window) )
1756         {
1757             b_map_notify = VLC_TRUE;
1758         }
1759         else if( (xevent.type == ConfigureNotify)
1760                  && (xevent.xconfigure.window == p_win->base_window) )
1761         {
1762             b_configure_notify = VLC_TRUE;
1763             p_win->i_width = xevent.xconfigure.width;
1764             p_win->i_height = xevent.xconfigure.height;
1765         }
1766     } while( !( b_expose && b_configure_notify && b_map_notify ) );
1767
1768     XSelectInput( p_vout->p_sys->p_display, p_win->base_window,
1769                   StructureNotifyMask | KeyPressMask |
1770                   ButtonPressMask | ButtonReleaseMask |
1771                   PointerMotionMask );
1772
1773 #ifdef MODULE_NAME_IS_x11
1774     if( XDefaultDepth(p_vout->p_sys->p_display, p_vout->p_sys->i_screen) == 8 )
1775     {
1776         /* Allocate a new palette */
1777         p_vout->p_sys->colormap =
1778             XCreateColormap( p_vout->p_sys->p_display,
1779                              DefaultRootWindow( p_vout->p_sys->p_display ),
1780                              DefaultVisual( p_vout->p_sys->p_display,
1781                                             p_vout->p_sys->i_screen ),
1782                              AllocAll );
1783
1784         xwindow_attributes.colormap = p_vout->p_sys->colormap;
1785         XChangeWindowAttributes( p_vout->p_sys->p_display, p_win->base_window,
1786                                  CWColormap, &xwindow_attributes );
1787     }
1788 #endif
1789
1790     /* Create video output sub-window. */
1791     p_win->video_window =  XCreateSimpleWindow(
1792                                       p_vout->p_sys->p_display,
1793                                       p_win->base_window, 0, 0,
1794                                       p_win->i_width, p_win->i_height,
1795                                       0,
1796                                       BlackPixel( p_vout->p_sys->p_display,
1797                                                   p_vout->p_sys->i_screen ),
1798                                       WhitePixel( p_vout->p_sys->p_display,
1799                                                   p_vout->p_sys->i_screen ) );
1800
1801     XSetWindowBackground( p_vout->p_sys->p_display, p_win->video_window,
1802                           BlackPixel( p_vout->p_sys->p_display,
1803                                       p_vout->p_sys->i_screen ) );
1804
1805     XMapWindow( p_vout->p_sys->p_display, p_win->video_window );
1806     XSelectInput( p_vout->p_sys->p_display, p_win->video_window,
1807                   ExposureMask );
1808
1809     /* make sure the video window will be centered in the next ManageVideo() */
1810     p_vout->i_changes |= VOUT_SIZE_CHANGE;
1811
1812     /* If the cursor was formerly blank than blank it again */
1813     if( !p_vout->p_sys->b_mouse_pointer_visible )
1814     {
1815         ToggleCursor( p_vout );
1816         ToggleCursor( p_vout );
1817     }
1818
1819     /* Do NOT use XFlush here ! */
1820     XSync( p_vout->p_sys->p_display, False );
1821
1822     /* At this stage, the window is open, displayed, and ready to
1823      * receive data */
1824     p_vout->p_sys->p_win = p_win;
1825
1826     return VLC_SUCCESS;
1827 }
1828
1829 /*****************************************************************************
1830  * DestroyWindow: destroy the window
1831  *****************************************************************************
1832  *
1833  *****************************************************************************/
1834 static void DestroyWindow( vout_thread_t *p_vout, x11_window_t *p_win )
1835 {
1836     /* Do NOT use XFlush here ! */
1837     XSync( p_vout->p_sys->p_display, False );
1838
1839     if( p_win->video_window != None )
1840         XDestroyWindow( p_vout->p_sys->p_display, p_win->video_window );
1841
1842     XFreeGC( p_vout->p_sys->p_display, p_win->gc );
1843
1844     XUnmapWindow( p_vout->p_sys->p_display, p_win->base_window );
1845     XDestroyWindow( p_vout->p_sys->p_display, p_win->base_window );
1846
1847     if( p_win->owner_window )
1848         vout_ReleaseWindow( p_vout, (void *)p_win->owner_window );
1849 }
1850
1851 /*****************************************************************************
1852  * NewPicture: allocate a picture
1853  *****************************************************************************
1854  * Returns 0 on success, -1 otherwise
1855  *****************************************************************************/
1856 static int NewPicture( vout_thread_t *p_vout, picture_t *p_pic )
1857 {
1858 #ifndef MODULE_NAME_IS_glx
1859
1860 #if defined(MODULE_NAME_IS_xvideo) || defined(MODULE_NAME_IS_xvmc)
1861     int i_plane;
1862 #endif
1863
1864     /* We know the chroma, allocate a buffer which will be used
1865      * directly by the decoder */
1866     p_pic->p_sys = malloc( sizeof( picture_sys_t ) );
1867
1868     if( p_pic->p_sys == NULL )
1869     {
1870         return -1;
1871     }
1872
1873 #ifdef MODULE_NAME_IS_xvmc
1874     p_pic->p_sys->p_vout = p_vout;
1875     p_pic->p_sys->xvmc_surf = NULL;
1876     p_pic->p_sys->xxmc_data.decoded = 0;
1877     p_pic->p_sys->xxmc_data.proc_xxmc_update_frame = xxmc_do_update_frame;
1878     p_pic->p_accel_data = &p_pic->p_sys->xxmc_data;
1879     p_pic->p_sys->nb_display = 0;
1880 #endif
1881
1882     /* Fill in picture_t fields */
1883     vout_InitPicture( VLC_OBJECT(p_vout), p_pic, p_vout->output.i_chroma,
1884                       p_vout->output.i_width, p_vout->output.i_height,
1885                       p_vout->output.i_aspect );
1886
1887 #ifdef HAVE_SYS_SHM_H
1888     if( p_vout->p_sys->b_shm )
1889     {
1890         /* Create image using XShm extension */
1891         p_pic->p_sys->p_image =
1892             CreateShmImage( p_vout, p_vout->p_sys->p_display,
1893 #   if defined(MODULE_NAME_IS_xvideo) || defined(MODULE_NAME_IS_xvmc)
1894                             p_vout->p_sys->i_xvport,
1895                             VLC2X11_FOURCC(p_vout->output.i_chroma),
1896 #   else
1897                             p_vout->p_sys->p_visual,
1898                             p_vout->p_sys->i_screen_depth,
1899 #   endif
1900                             &p_pic->p_sys->shminfo,
1901                             p_vout->output.i_width, p_vout->output.i_height );
1902     }
1903
1904     if( !p_vout->p_sys->b_shm || !p_pic->p_sys->p_image )
1905 #endif /* HAVE_SYS_SHM_H */
1906     {
1907         /* Create image without XShm extension */
1908         p_pic->p_sys->p_image =
1909             CreateImage( p_vout, p_vout->p_sys->p_display,
1910 #if defined(MODULE_NAME_IS_xvideo) || defined(MODULE_NAME_IS_xvmc)
1911                          p_vout->p_sys->i_xvport,
1912                          VLC2X11_FOURCC(p_vout->output.i_chroma),
1913                          p_pic->format.i_bits_per_pixel,
1914 #else
1915                          p_vout->p_sys->p_visual,
1916                          p_vout->p_sys->i_screen_depth,
1917                          p_vout->p_sys->i_bytes_per_pixel,
1918 #endif
1919                          p_vout->output.i_width, p_vout->output.i_height );
1920
1921 #ifdef HAVE_SYS_SHM_H
1922         if( p_pic->p_sys->p_image && p_vout->p_sys->b_shm )
1923         {
1924             msg_Warn( p_vout, "couldn't create SHM image, disabling SHM" );
1925             p_vout->p_sys->b_shm = VLC_FALSE;
1926         }
1927 #endif /* HAVE_SYS_SHM_H */
1928     }
1929
1930     if( p_pic->p_sys->p_image == NULL )
1931     {
1932         free( p_pic->p_sys );
1933         return -1;
1934     }
1935
1936     switch( p_vout->output.i_chroma )
1937     {
1938 #if defined(MODULE_NAME_IS_xvideo) || defined(MODULE_NAME_IS_xvmc)
1939         case VLC_FOURCC('I','4','2','0'):
1940         case VLC_FOURCC('Y','V','1','2'):
1941         case VLC_FOURCC('Y','2','1','1'):
1942         case VLC_FOURCC('Y','U','Y','2'):
1943         case VLC_FOURCC('U','Y','V','Y'):
1944         case VLC_FOURCC('R','V','1','5'):
1945         case VLC_FOURCC('R','V','1','6'):
1946         case VLC_FOURCC('R','V','2','4'): /* Fixme: pixel pitch == 4 ? */
1947         case VLC_FOURCC('R','V','3','2'):
1948
1949             for( i_plane = 0; i_plane < p_pic->p_sys->p_image->num_planes;
1950                  i_plane++ )
1951             {
1952                 p_pic->p[i_plane].p_pixels = p_pic->p_sys->p_image->data
1953                     + p_pic->p_sys->p_image->offsets[i_plane];
1954                 p_pic->p[i_plane].i_pitch =
1955                     p_pic->p_sys->p_image->pitches[i_plane];
1956             }
1957             if( p_vout->output.i_chroma == VLC_FOURCC('Y','V','1','2') )
1958             {
1959                 /* U and V inverted compared to I420
1960                  * Fixme: this should be handled by the vout core */
1961                 p_pic->U_PIXELS = p_pic->p_sys->p_image->data
1962                     + p_pic->p_sys->p_image->offsets[2];
1963                 p_pic->V_PIXELS = p_pic->p_sys->p_image->data
1964                     + p_pic->p_sys->p_image->offsets[1];
1965             }
1966             break;
1967
1968 #else
1969         case VLC_FOURCC('R','G','B','2'):
1970         case VLC_FOURCC('R','V','1','6'):
1971         case VLC_FOURCC('R','V','1','5'):
1972         case VLC_FOURCC('R','V','2','4'):
1973         case VLC_FOURCC('R','V','3','2'):
1974
1975             p_pic->p->i_lines = p_pic->p_sys->p_image->height;
1976             p_pic->p->i_visible_lines = p_pic->p_sys->p_image->height;
1977             p_pic->p->p_pixels = p_pic->p_sys->p_image->data
1978                                   + p_pic->p_sys->p_image->xoffset;
1979             p_pic->p->i_pitch = p_pic->p_sys->p_image->bytes_per_line;
1980
1981             /* p_pic->p->i_pixel_pitch = 4 for RV24 but this should be set
1982              * properly by vout_InitPicture() */
1983             p_pic->p->i_visible_pitch = p_pic->p->i_pixel_pitch
1984                                          * p_pic->p_sys->p_image->width;
1985             break;
1986 #endif
1987
1988         default:
1989             /* Unknown chroma, tell the guy to get lost */
1990             IMAGE_FREE( p_pic->p_sys->p_image );
1991             free( p_pic->p_sys );
1992             msg_Err( p_vout, "never heard of chroma 0x%.8x (%4.4s)",
1993                      p_vout->output.i_chroma, (char*)&p_vout->output.i_chroma );
1994             p_pic->i_planes = 0;
1995             return -1;
1996     }
1997
1998 #endif /* !MODULE_NAME_IS_glx */
1999
2000     return 0;
2001 }
2002
2003 /*****************************************************************************
2004  * FreePicture: destroy a picture allocated with NewPicture
2005  *****************************************************************************
2006  * Destroy XImage AND associated data. If using Shm, detach shared memory
2007  * segment from server and process, then free it. The XDestroyImage manpage
2008  * says that both the image structure _and_ the data pointed to by the
2009  * image structure are freed, so no need to free p_image->data.
2010  *****************************************************************************/
2011 static void FreePicture( vout_thread_t *p_vout, picture_t *p_pic )
2012 {
2013     /* The order of operations is correct */
2014 #ifdef HAVE_SYS_SHM_H
2015     if( p_vout->p_sys->b_shm )
2016     {
2017         XShmDetach( p_vout->p_sys->p_display, &p_pic->p_sys->shminfo );
2018         IMAGE_FREE( p_pic->p_sys->p_image );
2019
2020         shmctl( p_pic->p_sys->shminfo.shmid, IPC_RMID, 0 );
2021         if( shmdt( p_pic->p_sys->shminfo.shmaddr ) )
2022         {
2023             msg_Err( p_vout, "cannot detach shared memory (%s)",
2024                              strerror(errno) );
2025         }
2026     }
2027     else
2028 #endif
2029     {
2030         IMAGE_FREE( p_pic->p_sys->p_image );
2031     }
2032
2033 #ifdef MODULE_NAME_IS_xvmc
2034     if( p_pic->p_sys->xvmc_surf != NULL )
2035     {
2036         xxmc_xvmc_free_surface(p_vout , p_pic->p_sys->xvmc_surf);
2037         p_pic->p_sys->xvmc_surf = NULL;
2038     }
2039 #endif
2040
2041     /* Do NOT use XFlush here ! */
2042     XSync( p_vout->p_sys->p_display, False );
2043
2044     free( p_pic->p_sys );
2045 }
2046
2047 /*****************************************************************************
2048  * ToggleFullScreen: Enable or disable full screen mode
2049  *****************************************************************************
2050  * This function will switch between fullscreen and window mode.
2051  *****************************************************************************/
2052 static void ToggleFullScreen ( vout_thread_t *p_vout )
2053 {
2054     Atom prop;
2055     XEvent xevent;
2056     mwmhints_t mwmhints;
2057     XSetWindowAttributes attributes;
2058
2059 #ifdef HAVE_XINERAMA
2060     int i_d1, i_d2;
2061 #endif
2062
2063     p_vout->b_fullscreen = !p_vout->b_fullscreen;
2064
2065     if( p_vout->b_fullscreen )
2066     {
2067         msg_Dbg( p_vout, "entering fullscreen mode" );
2068
2069         p_vout->p_sys->b_altfullscreen =
2070             config_GetInt( p_vout, MODULE_STRING "-altfullscreen" );
2071
2072         XUnmapWindow( p_vout->p_sys->p_display,
2073                       p_vout->p_sys->p_win->base_window );
2074
2075         p_vout->p_sys->p_win = &p_vout->p_sys->fullscreen_window;
2076
2077         CreateWindow( p_vout, p_vout->p_sys->p_win );
2078         XDestroyWindow( p_vout->p_sys->p_display,
2079                         p_vout->p_sys->fullscreen_window.video_window );
2080         XReparentWindow( p_vout->p_sys->p_display,
2081                          p_vout->p_sys->original_window.video_window,
2082                          p_vout->p_sys->fullscreen_window.base_window, 0, 0 );
2083         p_vout->p_sys->fullscreen_window.video_window =
2084             p_vout->p_sys->original_window.video_window;
2085
2086         /* To my knowledge there are two ways to create a borderless window.
2087          * There's the generic way which is to tell x to bypass the window
2088          * manager, but this creates problems with the focus of other
2089          * applications.
2090          * The other way is to use the motif property "_MOTIF_WM_HINTS" which
2091          * luckily seems to be supported by most window managers. */
2092         if( !p_vout->p_sys->b_altfullscreen )
2093         {
2094             mwmhints.flags = MWM_HINTS_DECORATIONS;
2095             mwmhints.decorations = False;
2096
2097             prop = XInternAtom( p_vout->p_sys->p_display, "_MOTIF_WM_HINTS",
2098                                 False );
2099             XChangeProperty( p_vout->p_sys->p_display,
2100                              p_vout->p_sys->p_win->base_window,
2101                              prop, prop, 32, PropModeReplace,
2102                              (unsigned char *)&mwmhints,
2103                              PROP_MWM_HINTS_ELEMENTS );
2104         }
2105         else
2106         {
2107             /* brute force way to remove decorations */
2108             attributes.override_redirect = True;
2109             XChangeWindowAttributes( p_vout->p_sys->p_display,
2110                                      p_vout->p_sys->p_win->base_window,
2111                                      CWOverrideRedirect,
2112                                      &attributes);
2113
2114             /* Make sure the change is effective */
2115             XReparentWindow( p_vout->p_sys->p_display,
2116                              p_vout->p_sys->p_win->base_window,
2117                              DefaultRootWindow( p_vout->p_sys->p_display ),
2118                              0, 0 );
2119         }
2120
2121         if( p_vout->p_sys->b_net_wm_state_fullscreen )
2122         {
2123             XClientMessageEvent event;
2124
2125             memset( &event, 0, sizeof( XClientMessageEvent ) );
2126
2127             event.type = ClientMessage;
2128             event.message_type = p_vout->p_sys->net_wm_state;
2129             event.display = p_vout->p_sys->p_display;
2130             event.window = p_vout->p_sys->p_win->base_window;
2131             event.format = 32;
2132             event.data.l[ 0 ] = 1; /* set property */
2133             event.data.l[ 1 ] = p_vout->p_sys->net_wm_state_fullscreen;
2134
2135             XSendEvent( p_vout->p_sys->p_display,
2136                         DefaultRootWindow( p_vout->p_sys->p_display ),
2137                         False, SubstructureRedirectMask,
2138                         (XEvent*)&event );
2139         }
2140
2141         /* Make sure the change is effective */
2142         XReparentWindow( p_vout->p_sys->p_display,
2143                          p_vout->p_sys->p_win->base_window,
2144                          DefaultRootWindow( p_vout->p_sys->p_display ),
2145                          0, 0 );
2146
2147 #ifdef HAVE_XINERAMA
2148         if( XineramaQueryExtension( p_vout->p_sys->p_display, &i_d1, &i_d2 ) &&
2149             XineramaIsActive( p_vout->p_sys->p_display ) )
2150         {
2151             XineramaScreenInfo *screens;   /* infos for xinerama */
2152             int i_num_screens;
2153
2154             msg_Dbg( p_vout, "using XFree Xinerama extension");
2155
2156 #define SCREEN p_vout->p_sys->p_win->i_screen
2157
2158             /* Get Information about Xinerama (num of screens) */
2159             screens = XineramaQueryScreens( p_vout->p_sys->p_display,
2160                                             &i_num_screens );
2161
2162             SCREEN = config_GetInt( p_vout,
2163                                         MODULE_STRING "-xineramascreen" );
2164
2165             /* just check that user has entered a good value */
2166             if( SCREEN >= i_num_screens || SCREEN < 0 )
2167             {
2168                 msg_Dbg( p_vout, "requested screen number invalid (%d/%d)", SCREEN, i_num_screens );
2169                 SCREEN = 0;
2170             }
2171
2172             /* Get the X/Y upper left corner coordinate of the above screen */
2173             p_vout->p_sys->p_win->i_x = screens[SCREEN].x_org;
2174             p_vout->p_sys->p_win->i_y = screens[SCREEN].y_org;
2175
2176             /* Set the Height/width to the screen resolution */
2177             p_vout->p_sys->p_win->i_width = screens[SCREEN].width;
2178             p_vout->p_sys->p_win->i_height = screens[SCREEN].height;
2179
2180             XFree(screens);
2181
2182 #undef SCREEN
2183
2184         }
2185         else
2186 #endif
2187         {
2188             /* The window wasn't necessarily created at the requested size */
2189             p_vout->p_sys->p_win->i_x = p_vout->p_sys->p_win->i_y = 0;
2190
2191 #ifdef HAVE_XF86VIDMODE
2192             XF86VidModeModeLine mode;
2193             int i_dummy;
2194
2195             if( XF86VidModeGetModeLine( p_vout->p_sys->p_display,
2196                                         p_vout->p_sys->i_screen, &i_dummy,
2197                                         &mode ) )
2198             {
2199                 p_vout->p_sys->p_win->i_width = mode.hdisplay;
2200                 p_vout->p_sys->p_win->i_height = mode.vdisplay;
2201
2202                 /* move cursor to the middle of the window to prevent
2203                  * unwanted display move if the display is smaller than the
2204                  * full desktop */
2205                 XWarpPointer( p_vout->p_sys->p_display, None,
2206                               p_vout->p_sys->p_win->base_window, 0, 0, 0, 0,
2207                               mode.hdisplay / 2 , mode.vdisplay / 2 );
2208                 /* force desktop view to upper left corner */
2209                 XF86VidModeSetViewPort( p_vout->p_sys->p_display,
2210                                         p_vout->p_sys->i_screen, 0, 0 );
2211             }
2212             else
2213 #endif
2214             {
2215                 p_vout->p_sys->p_win->i_width =
2216                     DisplayWidth( p_vout->p_sys->p_display,
2217                                 p_vout->p_sys->i_screen );
2218                 p_vout->p_sys->p_win->i_height =
2219                     DisplayHeight( p_vout->p_sys->p_display,
2220                                 p_vout->p_sys->i_screen );
2221             }
2222
2223         }
2224
2225         XMoveResizeWindow( p_vout->p_sys->p_display,
2226                            p_vout->p_sys->p_win->base_window,
2227                            p_vout->p_sys->p_win->i_x,
2228                            p_vout->p_sys->p_win->i_y,
2229                            p_vout->p_sys->p_win->i_width,
2230                            p_vout->p_sys->p_win->i_height );
2231
2232 #ifdef HAVE_XSP
2233         EnablePixelDoubling( p_vout );
2234 #endif
2235
2236     }
2237     else
2238     {
2239         msg_Dbg( p_vout, "leaving fullscreen mode" );
2240
2241 #ifdef HAVE_XSP
2242         DisablePixelDoubling( p_vout );
2243 #endif
2244
2245         XReparentWindow( p_vout->p_sys->p_display,
2246                          p_vout->p_sys->original_window.video_window,
2247                          p_vout->p_sys->original_window.base_window, 0, 0 );
2248
2249         p_vout->p_sys->fullscreen_window.video_window = None;
2250         DestroyWindow( p_vout, &p_vout->p_sys->fullscreen_window );
2251         p_vout->p_sys->p_win = &p_vout->p_sys->original_window;
2252
2253         XMapWindow( p_vout->p_sys->p_display,
2254                     p_vout->p_sys->p_win->base_window );
2255     }
2256
2257     /* Unfortunately, using XSync() here is not enough to ensure the
2258      * window has already been mapped because the XMapWindow() request
2259      * has not necessarily been sent directly to our window (remember,
2260      * the call is first redirected to the window manager) */
2261     do
2262     {
2263         XWindowEvent( p_vout->p_sys->p_display,
2264                       p_vout->p_sys->p_win->base_window,
2265                       StructureNotifyMask, &xevent );
2266     } while( xevent.type != MapNotify );
2267
2268     /* Be careful, this can generate a BadMatch error if the window is not
2269      * already mapped by the server (see above) */
2270     XSetInputFocus(p_vout->p_sys->p_display,
2271                    p_vout->p_sys->p_win->base_window,
2272                    RevertToParent,
2273                    CurrentTime);
2274
2275     /* signal that the size needs to be updated */
2276     p_vout->i_changes |= VOUT_SIZE_CHANGE;
2277 }
2278
2279 /*****************************************************************************
2280  * EnableXScreenSaver: enable screen saver
2281  *****************************************************************************
2282  * This function enables the screen saver on a display after it has been
2283  * disabled by XDisableScreenSaver.
2284  * FIXME: what happens if multiple vlc sessions are running at the same
2285  *        time ???
2286  *****************************************************************************/
2287 static void EnableXScreenSaver( vout_thread_t *p_vout )
2288 {
2289 #ifdef DPMSINFO_IN_DPMS_H
2290     int dummy;
2291 #endif
2292
2293     if( p_vout->p_sys->i_ss_timeout )
2294     {
2295         XSetScreenSaver( p_vout->p_sys->p_display, p_vout->p_sys->i_ss_timeout,
2296                          p_vout->p_sys->i_ss_interval,
2297                          p_vout->p_sys->i_ss_blanking,
2298                          p_vout->p_sys->i_ss_exposure );
2299     }
2300
2301     /* Restore DPMS settings */
2302 #ifdef DPMSINFO_IN_DPMS_H
2303     if( DPMSQueryExtension( p_vout->p_sys->p_display, &dummy, &dummy ) )
2304     {
2305         if( p_vout->p_sys->b_ss_dpms )
2306         {
2307             DPMSEnable( p_vout->p_sys->p_display );
2308         }
2309     }
2310 #endif
2311 }
2312
2313 /*****************************************************************************
2314  * DisableXScreenSaver: disable screen saver
2315  *****************************************************************************
2316  * See XEnableXScreenSaver
2317  *****************************************************************************/
2318 static void DisableXScreenSaver( vout_thread_t *p_vout )
2319 {
2320 #ifdef DPMSINFO_IN_DPMS_H
2321     int dummy;
2322 #endif
2323
2324     /* Save screen saver information */
2325     XGetScreenSaver( p_vout->p_sys->p_display, &p_vout->p_sys->i_ss_timeout,
2326                      &p_vout->p_sys->i_ss_interval,
2327                      &p_vout->p_sys->i_ss_blanking,
2328                      &p_vout->p_sys->i_ss_exposure );
2329
2330     /* Disable screen saver */
2331     if( p_vout->p_sys->i_ss_timeout )
2332     {
2333         XSetScreenSaver( p_vout->p_sys->p_display, 0,
2334                          p_vout->p_sys->i_ss_interval,
2335                          p_vout->p_sys->i_ss_blanking,
2336                          p_vout->p_sys->i_ss_exposure );
2337     }
2338
2339     /* Disable DPMS */
2340 #ifdef DPMSINFO_IN_DPMS_H
2341     if( DPMSQueryExtension( p_vout->p_sys->p_display, &dummy, &dummy ) )
2342     {
2343         CARD16 unused;
2344         /* Save DPMS current state */
2345         DPMSInfo( p_vout->p_sys->p_display, &unused,
2346                   &p_vout->p_sys->b_ss_dpms );
2347         DPMSDisable( p_vout->p_sys->p_display );
2348    }
2349 #endif
2350 }
2351
2352 /*****************************************************************************
2353  * CreateCursor: create a blank mouse pointer
2354  *****************************************************************************/
2355 static void CreateCursor( vout_thread_t *p_vout )
2356 {
2357     XColor cursor_color;
2358
2359     p_vout->p_sys->cursor_pixmap =
2360         XCreatePixmap( p_vout->p_sys->p_display,
2361                        DefaultRootWindow( p_vout->p_sys->p_display ),
2362                        1, 1, 1 );
2363
2364     XParseColor( p_vout->p_sys->p_display,
2365                  XCreateColormap( p_vout->p_sys->p_display,
2366                                   DefaultRootWindow(
2367                                                     p_vout->p_sys->p_display ),
2368                                   DefaultVisual(
2369                                                 p_vout->p_sys->p_display,
2370                                                 p_vout->p_sys->i_screen ),
2371                                   AllocNone ),
2372                  "black", &cursor_color );
2373
2374     p_vout->p_sys->blank_cursor =
2375         XCreatePixmapCursor( p_vout->p_sys->p_display,
2376                              p_vout->p_sys->cursor_pixmap,
2377                              p_vout->p_sys->cursor_pixmap,
2378                              &cursor_color, &cursor_color, 1, 1 );
2379 }
2380
2381 /*****************************************************************************
2382  * DestroyCursor: destroy the blank mouse pointer
2383  *****************************************************************************/
2384 static void DestroyCursor( vout_thread_t *p_vout )
2385 {
2386     XFreePixmap( p_vout->p_sys->p_display, p_vout->p_sys->cursor_pixmap );
2387 }
2388
2389 /*****************************************************************************
2390  * ToggleCursor: hide or show the mouse pointer
2391  *****************************************************************************
2392  * This function hides the X pointer if it is visible by setting the pointer
2393  * sprite to a blank one. To show it again, we disable the sprite.
2394  *****************************************************************************/
2395 static void ToggleCursor( vout_thread_t *p_vout )
2396 {
2397     if( p_vout->p_sys->b_mouse_pointer_visible )
2398     {
2399         XDefineCursor( p_vout->p_sys->p_display,
2400                        p_vout->p_sys->p_win->base_window,
2401                        p_vout->p_sys->blank_cursor );
2402         p_vout->p_sys->b_mouse_pointer_visible = 0;
2403     }
2404     else
2405     {
2406         XUndefineCursor( p_vout->p_sys->p_display,
2407                          p_vout->p_sys->p_win->base_window );
2408         p_vout->p_sys->b_mouse_pointer_visible = 1;
2409     }
2410 }
2411
2412 #if defined(MODULE_NAME_IS_xvideo) || defined(MODULE_NAME_IS_xvmc)
2413 /*****************************************************************************
2414  * XVideoGetPort: get YUV12 port
2415  *****************************************************************************/
2416 static int XVideoGetPort( vout_thread_t *p_vout,
2417                           vlc_fourcc_t i_chroma, vlc_fourcc_t *pi_newchroma )
2418 {
2419     XvAdaptorInfo *p_adaptor;
2420     unsigned int i;
2421     unsigned int i_adaptor, i_num_adaptors;
2422     int i_requested_adaptor;
2423     int i_selected_port;
2424
2425     switch( XvQueryExtension( p_vout->p_sys->p_display, &i, &i, &i, &i, &i ) )
2426     {
2427         case Success:
2428             break;
2429
2430         case XvBadExtension:
2431             msg_Warn( p_vout, "XvBadExtension" );
2432             return -1;
2433
2434         case XvBadAlloc:
2435             msg_Warn( p_vout, "XvBadAlloc" );
2436             return -1;
2437
2438         default:
2439             msg_Warn( p_vout, "XvQueryExtension failed" );
2440             return -1;
2441     }
2442
2443     switch( XvQueryAdaptors( p_vout->p_sys->p_display,
2444                              DefaultRootWindow( p_vout->p_sys->p_display ),
2445                              &i_num_adaptors, &p_adaptor ) )
2446     {
2447         case Success:
2448             break;
2449
2450         case XvBadExtension:
2451             msg_Warn( p_vout, "XvBadExtension for XvQueryAdaptors" );
2452             return -1;
2453
2454         case XvBadAlloc:
2455             msg_Warn( p_vout, "XvBadAlloc for XvQueryAdaptors" );
2456             return -1;
2457
2458         default:
2459             msg_Warn( p_vout, "XvQueryAdaptors failed" );
2460             return -1;
2461     }
2462
2463     i_selected_port = -1;
2464 #ifdef MODULE_NAME_IS_xvmc
2465     i_requested_adaptor = config_GetInt( p_vout, "xvmc-adaptor" );
2466 #else
2467     i_requested_adaptor = config_GetInt( p_vout, "xvideo-adaptor" );
2468 #endif
2469     for( i_adaptor = 0; i_adaptor < i_num_adaptors; ++i_adaptor )
2470     {
2471         XvImageFormatValues *p_formats;
2472         int i_format, i_num_formats;
2473         int i_port;
2474
2475         /* If we requested an adaptor and it's not this one, we aren't
2476          * interested */
2477         if( i_requested_adaptor != -1 && ((int)i_adaptor != i_requested_adaptor) )
2478         {
2479             continue;
2480         }
2481
2482         /* If the adaptor doesn't have the required properties, skip it */
2483         if( !( p_adaptor[ i_adaptor ].type & XvInputMask ) ||
2484             !( p_adaptor[ i_adaptor ].type & XvImageMask ) )
2485         {
2486             continue;
2487         }
2488
2489         /* Check that adaptor supports our requested format... */
2490         p_formats = XvListImageFormats( p_vout->p_sys->p_display,
2491                                         p_adaptor[i_adaptor].base_id,
2492                                         &i_num_formats );
2493
2494         for( i_format = 0;
2495              i_format < i_num_formats && ( i_selected_port == -1 );
2496              i_format++ )
2497         {
2498             XvAttribute     *p_attr;
2499             int             i_attr, i_num_attributes;
2500
2501             /* If this is not the format we want, or at least a
2502              * similar one, forget it */
2503             if( !vout_ChromaCmp( p_formats[ i_format ].id, i_chroma ) )
2504             {
2505                 continue;
2506             }
2507
2508             /* Look for the first available port supporting this format */
2509             for( i_port = p_adaptor[i_adaptor].base_id;
2510                  ( i_port < (int)(p_adaptor[i_adaptor].base_id
2511                                    + p_adaptor[i_adaptor].num_ports) )
2512                    && ( i_selected_port == -1 );
2513                  i_port++ )
2514             {
2515                 if( XvGrabPort( p_vout->p_sys->p_display, i_port, CurrentTime )
2516                      == Success )
2517                 {
2518                     i_selected_port = i_port;
2519                     *pi_newchroma = p_formats[ i_format ].id;
2520                 }
2521             }
2522
2523             /* If no free port was found, forget it */
2524             if( i_selected_port == -1 )
2525             {
2526                 continue;
2527             }
2528
2529             /* If we found a port, print information about it */
2530             msg_Dbg( p_vout, "adaptor %i, port %i, format 0x%x (%4.4s) %s",
2531                      i_adaptor, i_selected_port, p_formats[ i_format ].id,
2532                      (char *)&p_formats[ i_format ].id,
2533                      ( p_formats[ i_format ].format == XvPacked ) ?
2534                          "packed" : "planar" );
2535
2536             /* Make sure XV_AUTOPAINT_COLORKEY is set */
2537             p_attr = XvQueryPortAttributes( p_vout->p_sys->p_display,
2538                                             i_selected_port,
2539                                             &i_num_attributes );
2540
2541             for( i_attr = 0; i_attr < i_num_attributes; i_attr++ )
2542             {
2543                 if( !strcmp( p_attr[i_attr].name, "XV_AUTOPAINT_COLORKEY" ) )
2544                 {
2545                     const Atom autopaint =
2546                         XInternAtom( p_vout->p_sys->p_display,
2547                                      "XV_AUTOPAINT_COLORKEY", False );
2548                     XvSetPortAttribute( p_vout->p_sys->p_display,
2549                                         i_selected_port, autopaint, 1 );
2550                     break;
2551                 }
2552             }
2553
2554             if( p_attr != NULL )
2555             {
2556                 XFree( p_attr );
2557             }
2558         }
2559
2560         if( p_formats != NULL )
2561         {
2562             XFree( p_formats );
2563         }
2564
2565     }
2566
2567     if( i_num_adaptors > 0 )
2568     {
2569         XvFreeAdaptorInfo( p_adaptor );
2570     }
2571
2572     if( i_selected_port == -1 )
2573     {
2574         int i_chroma_tmp = X112VLC_FOURCC( i_chroma );
2575         if( i_requested_adaptor == -1 )
2576         {
2577             msg_Warn( p_vout, "no free XVideo port found for format "
2578                       "0x%.8x (%4.4s)", i_chroma_tmp, (char*)&i_chroma_tmp );
2579         }
2580         else
2581         {
2582             msg_Warn( p_vout, "XVideo adaptor %i does not have a free "
2583                       "XVideo port for format 0x%.8x (%4.4s)",
2584                       i_requested_adaptor, i_chroma_tmp, (char*)&i_chroma_tmp );
2585         }
2586     }
2587
2588     return i_selected_port;
2589 }
2590
2591 /*****************************************************************************
2592  * XVideoReleasePort: release YUV12 port
2593  *****************************************************************************/
2594 static void XVideoReleasePort( vout_thread_t *p_vout, int i_port )
2595 {
2596     XvUngrabPort( p_vout->p_sys->p_display, i_port, CurrentTime );
2597 }
2598 #endif
2599
2600 /*****************************************************************************
2601  * InitDisplay: open and initialize X11 device
2602  *****************************************************************************
2603  * Create a window according to video output given size, and set other
2604  * properties according to the display properties.
2605  *****************************************************************************/
2606 static int InitDisplay( vout_thread_t *p_vout )
2607 {
2608 #ifdef MODULE_NAME_IS_x11
2609     XPixmapFormatValues *       p_formats;                 /* pixmap formats */
2610     XVisualInfo *               p_xvisual;            /* visuals information */
2611     XVisualInfo                 xvisual_template;         /* visual template */
2612     int                         i_count, i;                    /* array size */
2613 #endif
2614
2615 #ifdef HAVE_SYS_SHM_H
2616     p_vout->p_sys->b_shm = 0;
2617
2618     if( config_GetInt( p_vout, MODULE_STRING "-shm" ) )
2619     {
2620 #   ifdef __APPLE__
2621         /* FIXME: As of 2001-03-16, XFree4 for MacOS X does not support Xshm */
2622 #   else
2623         p_vout->p_sys->b_shm =
2624                   ( XShmQueryExtension( p_vout->p_sys->p_display ) == True );
2625 #   endif
2626
2627         if( !p_vout->p_sys->b_shm )
2628         {
2629             msg_Warn( p_vout, "XShm video extension is unavailable" );
2630         }
2631     }
2632     else
2633     {
2634         msg_Dbg( p_vout, "disabling XShm video extension" );
2635     }
2636
2637 #else
2638     msg_Warn( p_vout, "XShm video extension is unavailable" );
2639
2640 #endif
2641
2642 #ifdef MODULE_NAME_IS_xvideo
2643     /* XXX The brightness and contrast values should be read from environment
2644      * XXX variables... */
2645 #if 0
2646     XVideoSetAttribute( p_vout, "XV_BRIGHTNESS", 0.5 );
2647     XVideoSetAttribute( p_vout, "XV_CONTRAST",   0.5 );
2648 #endif
2649 #endif
2650
2651 #ifdef MODULE_NAME_IS_x11
2652     /* Initialize structure */
2653     p_vout->p_sys->i_screen = DefaultScreen( p_vout->p_sys->p_display );
2654
2655     /* Get screen depth */
2656     p_vout->p_sys->i_screen_depth = XDefaultDepth( p_vout->p_sys->p_display,
2657                                                    p_vout->p_sys->i_screen );
2658     switch( p_vout->p_sys->i_screen_depth )
2659     {
2660     case 8:
2661         /*
2662          * Screen depth is 8bpp. Use PseudoColor visual with private colormap.
2663          */
2664         xvisual_template.screen =   p_vout->p_sys->i_screen;
2665         xvisual_template.class =    DirectColor;
2666         p_xvisual = XGetVisualInfo( p_vout->p_sys->p_display,
2667                                     VisualScreenMask | VisualClassMask,
2668                                     &xvisual_template, &i_count );
2669         if( p_xvisual == NULL )
2670         {
2671             msg_Err( p_vout, "no PseudoColor visual available" );
2672             return VLC_EGENERIC;
2673         }
2674         p_vout->p_sys->i_bytes_per_pixel = 1;
2675         p_vout->output.pf_setpalette = SetPalette;
2676         break;
2677     case 15:
2678     case 16:
2679     case 24:
2680     default:
2681         /*
2682          * Screen depth is higher than 8bpp. TrueColor visual is used.
2683          */
2684         xvisual_template.screen =   p_vout->p_sys->i_screen;
2685         xvisual_template.class =    TrueColor;
2686 /* In some cases, we get a truecolor class adaptor that has a different
2687    color depth. So try to get a real true color one first */
2688         xvisual_template.depth =    p_vout->p_sys->i_screen_depth;
2689
2690         p_xvisual = XGetVisualInfo( p_vout->p_sys->p_display,
2691                                     VisualScreenMask | VisualClassMask |
2692                                     VisualDepthMask,
2693                                     &xvisual_template, &i_count );
2694         if( p_xvisual == NULL )
2695         {
2696             msg_Warn( p_vout, "No screen matching the required color depth" );
2697             p_xvisual = XGetVisualInfo( p_vout->p_sys->p_display,
2698                                     VisualScreenMask | VisualClassMask,
2699                                     &xvisual_template, &i_count );
2700             if( p_xvisual == NULL )
2701             {
2702
2703                 msg_Err( p_vout, "no TrueColor visual available" );
2704                 return VLC_EGENERIC;
2705             }
2706         }
2707
2708         p_vout->output.i_rmask = p_xvisual->red_mask;
2709         p_vout->output.i_gmask = p_xvisual->green_mask;
2710         p_vout->output.i_bmask = p_xvisual->blue_mask;
2711
2712         /* There is no difference yet between 3 and 4 Bpp. The only way
2713          * to find the actual number of bytes per pixel is to list supported
2714          * pixmap formats. */
2715         p_formats = XListPixmapFormats( p_vout->p_sys->p_display, &i_count );
2716         p_vout->p_sys->i_bytes_per_pixel = 0;
2717
2718         for( i = 0; i < i_count; i++ )
2719         {
2720             /* Under XFree4.0, the list contains pixmap formats available
2721              * through all video depths ; so we have to check against current
2722              * depth. */
2723             if( p_formats[i].depth == (int)p_vout->p_sys->i_screen_depth )
2724             {
2725                 if( p_formats[i].bits_per_pixel / 8
2726                         > (int)p_vout->p_sys->i_bytes_per_pixel )
2727                 {
2728                     p_vout->p_sys->i_bytes_per_pixel =
2729                         p_formats[i].bits_per_pixel / 8;
2730                 }
2731             }
2732         }
2733         if( p_formats ) XFree( p_formats );
2734
2735         break;
2736     }
2737     p_vout->p_sys->p_visual = p_xvisual->visual;
2738     XFree( p_xvisual );
2739 #endif
2740
2741     return VLC_SUCCESS;
2742 }
2743
2744 #ifdef HAVE_SYS_SHM_H
2745 /*****************************************************************************
2746  * CreateShmImage: create an XImage or XvImage using shared memory extension
2747  *****************************************************************************
2748  * Prepare an XImage or XvImage for display function.
2749  * The order of the operations respects the recommandations of the mit-shm
2750  * document by J.Corbet and K.Packard. Most of the parameters were copied from
2751  * there. See http://ftp.xfree86.org/pub/XFree86/4.0/doc/mit-shm.TXT
2752  *****************************************************************************/
2753 static IMAGE_TYPE * CreateShmImage( vout_thread_t *p_vout,
2754                                     Display* p_display, EXTRA_ARGS_SHM,
2755                                     int i_width, int i_height )
2756 {
2757     IMAGE_TYPE *p_image;
2758     Status result;
2759
2760     /* Create XImage / XvImage */
2761 #ifdef MODULE_NAME_IS_xvideo
2762
2763     /* Make sure the buffer is aligned to multiple of 16 */
2764     i_height = ( i_height + 15 ) >> 4 << 4;
2765     i_width = ( i_width + 15 ) >> 4 << 4;
2766
2767     p_image = XvShmCreateImage( p_display, i_xvport, i_chroma, 0,
2768                                 i_width, i_height, p_shm );
2769 #elif defined(MODULE_NAME_IS_xvmc)
2770     p_image = XvShmCreateImage( p_display, i_xvport, i_chroma, 0,
2771                                 i_width, i_height, p_shm );
2772 #else
2773     p_image = XShmCreateImage( p_display, p_visual, i_depth, ZPixmap, 0,
2774                                p_shm, i_width, i_height );
2775 #endif
2776     if( p_image == NULL )
2777     {
2778         msg_Err( p_vout, "image creation failed" );
2779         return NULL;
2780     }
2781
2782     /* Allocate shared memory segment - 0776 set the access permission
2783      * rights (like umask), they are not yet supported by all X servers */
2784     p_shm->shmid = shmget( IPC_PRIVATE, DATA_SIZE(p_image), IPC_CREAT | 0776 );
2785     if( p_shm->shmid < 0 )
2786     {
2787         msg_Err( p_vout, "cannot allocate shared image data (%s)",
2788                          strerror( errno ) );
2789         IMAGE_FREE( p_image );
2790         return NULL;
2791     }
2792
2793     /* Attach shared memory segment to process (read/write) */
2794     p_shm->shmaddr = p_image->data = shmat( p_shm->shmid, 0, 0 );
2795     if(! p_shm->shmaddr )
2796     {
2797         msg_Err( p_vout, "cannot attach shared memory (%s)",
2798                          strerror(errno));
2799         IMAGE_FREE( p_image );
2800         shmctl( p_shm->shmid, IPC_RMID, 0 );
2801         return NULL;
2802     }
2803
2804     /* Read-only data. We won't be using XShmGetImage */
2805     p_shm->readOnly = True;
2806
2807     /* Attach shared memory segment to X server */
2808     XSynchronize( p_display, True );
2809     b_shm = VLC_TRUE;
2810     result = XShmAttach( p_display, p_shm );
2811     if( result == False || !b_shm )
2812     {
2813         msg_Err( p_vout, "cannot attach shared memory to X server" );
2814         IMAGE_FREE( p_image );
2815         shmctl( p_shm->shmid, IPC_RMID, 0 );
2816         shmdt( p_shm->shmaddr );
2817         return NULL;
2818     }
2819     XSynchronize( p_display, False );
2820
2821     /* Send image to X server. This instruction is required, since having
2822      * built a Shm XImage and not using it causes an error on XCloseDisplay,
2823      * and remember NOT to use XFlush ! */
2824     XSync( p_display, False );
2825
2826 #if 0
2827     /* Mark the shm segment to be removed when there are no more
2828      * attachements, so it is automatic on process exit or after shmdt */
2829     shmctl( p_shm->shmid, IPC_RMID, 0 );
2830 #endif
2831
2832     return p_image;
2833 }
2834 #endif
2835
2836 /*****************************************************************************
2837  * CreateImage: create an XImage or XvImage
2838  *****************************************************************************
2839  * Create a simple image used as a buffer.
2840  *****************************************************************************/
2841 static IMAGE_TYPE * CreateImage( vout_thread_t *p_vout,
2842                                  Display *p_display, EXTRA_ARGS,
2843                                  int i_width, int i_height )
2844 {
2845     byte_t *    p_data;                           /* image data storage zone */
2846     IMAGE_TYPE *p_image;
2847 #ifdef MODULE_NAME_IS_x11
2848     int         i_quantum;                     /* XImage quantum (see below) */
2849     int         i_bytes_per_line;
2850 #endif
2851
2852     /* Allocate memory for image */
2853 #ifdef MODULE_NAME_IS_xvideo
2854
2855     /* Make sure the buffer is aligned to multiple of 16 */
2856     i_height = ( i_height + 15 ) >> 4 << 4;
2857     i_width = ( i_width + 15 ) >> 4 << 4;
2858
2859     p_data = (byte_t *) malloc( i_width * i_height * i_bits_per_pixel / 8 );
2860 #elif defined(MODULE_NAME_IS_x11)
2861     i_bytes_per_line = i_width * i_bytes_per_pixel;
2862     p_data = (byte_t *) malloc( i_bytes_per_line * i_height );
2863 #endif
2864     if( !p_data )
2865     {
2866         msg_Err( p_vout, "out of memory" );
2867         return NULL;
2868     }
2869
2870 #ifdef MODULE_NAME_IS_x11
2871     /* Optimize the quantum of a scanline regarding its size - the quantum is
2872        a diviser of the number of bits between the start of two scanlines. */
2873     if( i_bytes_per_line & 0xf )
2874     {
2875         i_quantum = 0x8;
2876     }
2877     else if( i_bytes_per_line & 0x10 )
2878     {
2879         i_quantum = 0x10;
2880     }
2881     else
2882     {
2883         i_quantum = 0x20;
2884     }
2885 #endif
2886
2887     /* Create XImage. p_data will be automatically freed */
2888 #ifdef MODULE_NAME_IS_xvideo
2889     p_image = XvCreateImage( p_display, i_xvport, i_chroma,
2890                              (char *)p_data, i_width, i_height );
2891 #elif defined(MODULE_NAME_IS_x11)
2892     p_image = XCreateImage( p_display, p_visual, i_depth, ZPixmap, 0,
2893                             (char *)p_data, i_width, i_height, i_quantum, 0 );
2894 #endif
2895     if( p_image == NULL )
2896     {
2897         msg_Err( p_vout, "XCreateImage() failed" );
2898         free( p_data );
2899         return NULL;
2900     }
2901
2902     return p_image;
2903 }
2904
2905 /*****************************************************************************
2906  * X11ErrorHandler: replace error handler so we can intercept some of them
2907  *****************************************************************************/
2908 static int X11ErrorHandler( Display * display, XErrorEvent * event )
2909 {
2910     switch( event->request_code )
2911     {
2912     case X_SetInputFocus:
2913         /* Ignore errors on XSetInputFocus()
2914          * (they happen when a window is not yet mapped) */
2915         return 0;
2916
2917     case 150: /* MIT-SHM */
2918     case 146: /* MIT-SHM too, what gives? */
2919         if( event->minor_code == X_ShmAttach )
2920         {
2921             b_shm = VLC_FALSE;
2922             return 0;
2923         }
2924         break;
2925     }
2926
2927     XSetErrorHandler(NULL);
2928     return (XSetErrorHandler(X11ErrorHandler))( display, event );
2929 }
2930
2931 #ifdef MODULE_NAME_IS_x11
2932 /*****************************************************************************
2933  * SetPalette: sets an 8 bpp palette
2934  *****************************************************************************
2935  * This function sets the palette given as an argument. It does not return
2936  * anything, but could later send information on which colors it was unable
2937  * to set.
2938  *****************************************************************************/
2939 static void SetPalette( vout_thread_t *p_vout,
2940                         uint16_t *red, uint16_t *green, uint16_t *blue )
2941 {
2942     int i;
2943     XColor p_colors[255];
2944
2945     /* allocate palette */
2946     for( i = 0; i < 255; i++ )
2947     {
2948         /* kludge: colors are indexed reversely because color 255 seems
2949          * to be reserved for black even if we try to set it to white */
2950         p_colors[ i ].pixel = 255 - i;
2951         p_colors[ i ].pad   = 0;
2952         p_colors[ i ].flags = DoRed | DoGreen | DoBlue;
2953         p_colors[ i ].red   = red[ 255 - i ];
2954         p_colors[ i ].blue  = blue[ 255 - i ];
2955         p_colors[ i ].green = green[ 255 - i ];
2956     }
2957
2958     XStoreColors( p_vout->p_sys->p_display,
2959                   p_vout->p_sys->colormap, p_colors, 255 );
2960 }
2961 #endif
2962
2963 /*****************************************************************************
2964  * Control: control facility for the vout
2965  *****************************************************************************/
2966 static int Control( vout_thread_t *p_vout, int i_query, va_list args )
2967 {
2968     vlc_bool_t b_arg;
2969     unsigned int i_width, i_height;
2970     unsigned int *pi_width, *pi_height;
2971     Drawable d = 0;
2972
2973     switch( i_query )
2974     {
2975         case VOUT_GET_SIZE:
2976             if( p_vout->p_sys->p_win->owner_window )
2977                 return vout_ControlWindow( p_vout,
2978                     (void *)p_vout->p_sys->p_win->owner_window, i_query, args);
2979
2980             pi_width  = va_arg( args, unsigned int * );
2981             pi_height = va_arg( args, unsigned int * );
2982
2983             vlc_mutex_lock( &p_vout->p_sys->lock );
2984             *pi_width  = p_vout->p_sys->p_win->i_width;
2985             *pi_height = p_vout->p_sys->p_win->i_height;
2986             vlc_mutex_unlock( &p_vout->p_sys->lock );
2987             return VLC_SUCCESS;
2988
2989         case VOUT_SET_SIZE:
2990             if( p_vout->p_sys->p_win->owner_window )
2991                 return vout_ControlWindow( p_vout,
2992                     (void *)p_vout->p_sys->p_win->owner_window, i_query, args);
2993
2994             vlc_mutex_lock( &p_vout->p_sys->lock );
2995
2996             i_width  = va_arg( args, unsigned int );
2997             i_height = va_arg( args, unsigned int );
2998             if( !i_width ) i_width = p_vout->i_window_width;
2999             if( !i_height ) i_height = p_vout->i_window_height;
3000
3001 #ifdef MODULE_NAME_IS_xvmc
3002             xvmc_context_reader_lock( &p_vout->p_sys->xvmc_lock );
3003 #endif
3004             /* Update dimensions */
3005             XResizeWindow( p_vout->p_sys->p_display,
3006                            p_vout->p_sys->p_win->base_window,
3007                            i_width, i_height );
3008 #ifdef MODULE_NAME_IS_xvmc
3009             xvmc_context_reader_unlock( &p_vout->p_sys->xvmc_lock );
3010 #endif
3011             vlc_mutex_unlock( &p_vout->p_sys->lock );
3012             return VLC_SUCCESS;
3013
3014        case VOUT_CLOSE:
3015             vlc_mutex_lock( &p_vout->p_sys->lock );
3016             XUnmapWindow( p_vout->p_sys->p_display,
3017                           p_vout->p_sys->original_window.base_window );
3018             vlc_mutex_unlock( &p_vout->p_sys->lock );
3019             /* Fall through */
3020
3021        case VOUT_REPARENT:
3022             vlc_mutex_lock( &p_vout->p_sys->lock );
3023             if( i_query == VOUT_REPARENT ) d = (Drawable)va_arg( args, int );
3024             if( !d )
3025 #ifdef MODULE_NAME_IS_xvmc
3026             xvmc_context_reader_lock( &p_vout->p_sys->xvmc_lock );
3027 #endif
3028             XReparentWindow( p_vout->p_sys->p_display,
3029                              p_vout->p_sys->original_window.base_window,
3030                              DefaultRootWindow( p_vout->p_sys->p_display ),
3031                              0, 0 );
3032             else
3033             XReparentWindow( p_vout->p_sys->p_display,
3034                              p_vout->p_sys->original_window.base_window,
3035                              d, 0, 0);
3036             XSync( p_vout->p_sys->p_display, False );
3037             p_vout->p_sys->original_window.owner_window = 0;
3038 #ifdef MODULE_NAME_IS_xvmc
3039             xvmc_context_reader_unlock( &p_vout->p_sys->xvmc_lock );
3040 #endif
3041             vlc_mutex_unlock( &p_vout->p_sys->lock );
3042             return vout_vaControlDefault( p_vout, i_query, args );
3043
3044         case VOUT_SET_STAY_ON_TOP:
3045             if( p_vout->p_sys->p_win->owner_window )
3046                 return vout_ControlWindow( p_vout,
3047                     (void *)p_vout->p_sys->p_win->owner_window, i_query, args);
3048
3049             b_arg = va_arg( args, vlc_bool_t );
3050             vlc_mutex_lock( &p_vout->p_sys->lock );
3051 #ifdef MODULE_NAME_IS_xvmc
3052             xvmc_context_reader_lock( &p_vout->p_sys->xvmc_lock );
3053 #endif
3054             WindowOnTop( p_vout, b_arg );
3055 #ifdef MODULE_NAME_IS_xvmc
3056             xvmc_context_reader_unlock( &p_vout->p_sys->xvmc_lock );
3057 #endif
3058             vlc_mutex_unlock( &p_vout->p_sys->lock );
3059             return VLC_SUCCESS;
3060
3061        default:
3062             return vout_vaControlDefault( p_vout, i_query, args );
3063     }
3064 }
3065
3066 /*****************************************************************************
3067  * TestNetWMSupport: tests for Extended Window Manager Hints support
3068  *****************************************************************************/
3069 static void TestNetWMSupport( vout_thread_t *p_vout )
3070 {
3071     int i_ret, i_format;
3072     unsigned long i, i_items, i_bytesafter;
3073     Atom net_wm_supported;
3074     union { Atom *p_atom; unsigned char *p_char; } p_args;
3075
3076     p_args.p_atom = NULL;
3077
3078     p_vout->p_sys->b_net_wm_state_fullscreen = VLC_FALSE;
3079     p_vout->p_sys->b_net_wm_state_above = VLC_FALSE;
3080     p_vout->p_sys->b_net_wm_state_below = VLC_FALSE;
3081     p_vout->p_sys->b_net_wm_state_stays_on_top = VLC_FALSE;
3082
3083     net_wm_supported =
3084         XInternAtom( p_vout->p_sys->p_display, "_NET_SUPPORTED", False );
3085
3086     i_ret = XGetWindowProperty( p_vout->p_sys->p_display,
3087                                 DefaultRootWindow( p_vout->p_sys->p_display ),
3088                                 net_wm_supported,
3089                                 0, 16384, False, AnyPropertyType,
3090                                 &net_wm_supported,
3091                                 &i_format, &i_items, &i_bytesafter,
3092                                 (unsigned char **)&p_args );
3093
3094     if( i_ret != Success || i_items == 0 ) return;
3095
3096     msg_Dbg( p_vout, "Window manager supports NetWM" );
3097
3098     p_vout->p_sys->net_wm_state =
3099         XInternAtom( p_vout->p_sys->p_display, "_NET_WM_STATE", False );
3100     p_vout->p_sys->net_wm_state_fullscreen =
3101         XInternAtom( p_vout->p_sys->p_display, "_NET_WM_STATE_FULLSCREEN",
3102                      False );
3103     p_vout->p_sys->net_wm_state_above =
3104         XInternAtom( p_vout->p_sys->p_display, "_NET_WM_STATE_ABOVE", False );
3105     p_vout->p_sys->net_wm_state_below =
3106         XInternAtom( p_vout->p_sys->p_display, "_NET_WM_STATE_BELOW", False );
3107     p_vout->p_sys->net_wm_state_stays_on_top =
3108         XInternAtom( p_vout->p_sys->p_display, "_NET_WM_STATE_STAYS_ON_TOP",
3109                      False );
3110
3111     for( i = 0; i < i_items; i++ )
3112     {
3113         if( p_args.p_atom[i] == p_vout->p_sys->net_wm_state_fullscreen )
3114         {
3115             msg_Dbg( p_vout,
3116                      "Window manager supports _NET_WM_STATE_FULLSCREEN" );
3117             p_vout->p_sys->b_net_wm_state_fullscreen = VLC_TRUE;
3118         }
3119         else if( p_args.p_atom[i] == p_vout->p_sys->net_wm_state_above )
3120         {
3121             msg_Dbg( p_vout, "Window manager supports _NET_WM_STATE_ABOVE" );
3122             p_vout->p_sys->b_net_wm_state_above = VLC_TRUE;
3123         }
3124         else if( p_args.p_atom[i] == p_vout->p_sys->net_wm_state_below )
3125         {
3126             msg_Dbg( p_vout, "Window manager supports _NET_WM_STATE_BELOW" );
3127             p_vout->p_sys->b_net_wm_state_below = VLC_TRUE;
3128         }
3129         else if( p_args.p_atom[i] == p_vout->p_sys->net_wm_state_stays_on_top )
3130         {
3131             msg_Dbg( p_vout,
3132                      "Window manager supports _NET_WM_STATE_STAYS_ON_TOP" );
3133             p_vout->p_sys->b_net_wm_state_stays_on_top = VLC_TRUE;
3134         }
3135     }
3136
3137     XFree( p_args.p_atom );
3138 }
3139
3140 /*****************************************************************************
3141  * Key events handling
3142  *****************************************************************************/
3143 static struct
3144 {
3145     int i_x11key;
3146     int i_vlckey;
3147
3148 } x11keys_to_vlckeys[] =
3149 {
3150     { XK_F1, KEY_F1 }, { XK_F2, KEY_F2 }, { XK_F3, KEY_F3 }, { XK_F4, KEY_F4 },
3151     { XK_F5, KEY_F5 }, { XK_F6, KEY_F6 }, { XK_F7, KEY_F7 }, { XK_F8, KEY_F8 },
3152     { XK_F9, KEY_F9 }, { XK_F10, KEY_F10 }, { XK_F11, KEY_F11 },
3153     { XK_F12, KEY_F12 },
3154
3155     { XK_Return, KEY_ENTER },
3156     { XK_KP_Enter, KEY_ENTER },
3157     { XK_space, KEY_SPACE },
3158     { XK_Escape, KEY_ESC },
3159
3160     { XK_Menu, KEY_MENU },
3161     { XK_Left, KEY_LEFT },
3162     { XK_Right, KEY_RIGHT },
3163     { XK_Up, KEY_UP },
3164     { XK_Down, KEY_DOWN },
3165
3166     { XK_Home, KEY_HOME },
3167     { XK_End, KEY_END },
3168     { XK_Page_Up, KEY_PAGEUP },
3169     { XK_Page_Down, KEY_PAGEDOWN },
3170
3171     { XK_Insert, KEY_INSERT },
3172     { XK_Delete, KEY_DELETE },
3173     { XF86XK_AudioNext, KEY_MEDIA_NEXT_TRACK},
3174     { XF86XK_AudioPrev, KEY_MEDIA_PREV_TRACK},
3175     { XF86XK_AudioMute, KEY_VOLUME_MUTE },
3176     { XF86XK_AudioLowerVolume, KEY_VOLUME_DOWN },
3177     { XF86XK_AudioRaiseVolume, KEY_VOLUME_UP },
3178     { XF86XK_AudioPlay, KEY_MEDIA_PLAY_PAUSE },
3179     { XF86XK_AudioPause, KEY_MEDIA_PLAY_PAUSE },
3180
3181     { 0, 0 }
3182 };
3183
3184 static int ConvertKey( int i_key )
3185 {
3186     int i;
3187
3188     for( i = 0; x11keys_to_vlckeys[i].i_x11key != 0; i++ )
3189     {
3190         if( x11keys_to_vlckeys[i].i_x11key == i_key )
3191         {
3192             return x11keys_to_vlckeys[i].i_vlckey;
3193         }
3194     }
3195
3196     return 0;
3197 }
3198
3199 /*****************************************************************************
3200  * WindowOnTop: Switches the "always on top" state of the video window.
3201  *****************************************************************************/
3202 static int WindowOnTop( vout_thread_t *p_vout, vlc_bool_t b_on_top )
3203 {
3204     if( p_vout->p_sys->b_net_wm_state_stays_on_top )
3205     {
3206         XClientMessageEvent event;
3207
3208         memset( &event, 0, sizeof( XClientMessageEvent ) );
3209
3210         event.type = ClientMessage;
3211         event.message_type = p_vout->p_sys->net_wm_state;
3212         event.display = p_vout->p_sys->p_display;
3213         event.window = p_vout->p_sys->p_win->base_window;
3214         event.format = 32;
3215         event.data.l[ 0 ] = b_on_top; /* set property */
3216         event.data.l[ 1 ] = p_vout->p_sys->net_wm_state_stays_on_top;
3217
3218         XSendEvent( p_vout->p_sys->p_display,
3219                     DefaultRootWindow( p_vout->p_sys->p_display ),
3220                     False, SubstructureRedirectMask,
3221                     (XEvent*)&event );
3222     }
3223
3224     /* use _NET_WM_STATE_ABOVE if window manager
3225      * doesn't handle _NET_WM_STATE_STAYS_ON_TOP */
3226     else if( p_vout->p_sys->b_net_wm_state_above )
3227     {
3228         XClientMessageEvent event;
3229
3230         memset( &event, 0, sizeof( XClientMessageEvent ) );
3231
3232         event.type = ClientMessage;
3233         event.message_type = p_vout->p_sys->net_wm_state;
3234         event.display = p_vout->p_sys->p_display;
3235         event.window = p_vout->p_sys->p_win->base_window;
3236         event.format = 32;
3237         event.data.l[ 0 ] = b_on_top; /* set property */
3238         event.data.l[ 1 ] = p_vout->p_sys->net_wm_state_above;
3239
3240         XSendEvent( p_vout->p_sys->p_display,
3241                     DefaultRootWindow( p_vout->p_sys->p_display ),
3242                     False, SubstructureRedirectMask,
3243                     (XEvent*)&event );
3244     }
3245
3246     return VLC_SUCCESS;
3247 }