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 #ifdef HAVE_CONFIG_H
  31 # include "config.h"
  32 #endif
  33
  34 #include <vlc_common.h>
  35 #include <vlc_interface.h>
  36 #include <vlc_playlist.h>
  37 #include <vlc_vout.h>
  38 #include <vlc_window.h>
  39 #include <vlc_keys.h>
  40
  41 #include <errno.h>                                                 /* ENOMEM */
  42
  43 #ifdef HAVE_MACHINE_PARAM_H
  44     /* BSD */
  45 #   include <machine/param.h>
  46 #   include <sys/types.h>                                  /* typedef ushort */
  47 #   include <sys/ipc.h>
  48 #endif
  49
  50 #ifndef WIN32
  51 #   include <netinet/in.h>                            /* BSD: struct in_addr */
  52 #endif
  53
  54 #ifdef HAVE_XSP
  55 #include <X11/extensions/Xsp.h>
  56 #endif
  57
  58 #ifdef HAVE_SYS_SHM_H
  59 #   include <sys/shm.h>                                /* shmget(), shmctl() */
  60 #endif
  61
  62 #include <X11/Xlib.h>
  63 #include <X11/Xproto.h>
  64 #include <X11/Xmd.h>
  65 #include <X11/Xutil.h>
  66 #include <X11/keysym.h>
  67 #include <X11/XF86keysym.h>
  68 #ifdef HAVE_SYS_SHM_H
  69 #   include <X11/extensions/XShm.h>
  70 #endif
  71 #ifdef DPMSINFO_IN_DPMS_H
  72 #   include <X11/extensions/dpms.h>
  73 #endif
  74
  75 #if defined(MODULE_NAME_IS_xvideo) || defined(MODULE_NAME_IS_xvmc)
  76 #   include <X11/extensions/Xv.h>
  77 #   include <X11/extensions/Xvlib.h>
  78 #endif
  79
  80 #ifdef MODULE_NAME_IS_glx
  81 #   include <GL/glx.h>
  82 #endif
  83
  84 #ifdef HAVE_XINERAMA
  85 #   include <X11/extensions/Xinerama.h>
  86 #endif
  87
  88 #ifdef HAVE_X11_EXTENSIONS_XF86VMODE_H
  89 #   include <X11/extensions/xf86vmode.h>
  90 #endif
  91
  92 #ifdef MODULE_NAME_IS_xvmc
  93 #   include <X11/extensions/vldXvMC.h>
  94 #   include "../../codec/xvmc/accel_xvmc.h"
  95 #endif
  96
  97 #include "xcommon.h"
  98
  99 /*****************************************************************************
 100  * Local prototypes
 101  *****************************************************************************/
 102 int  Activate   ( vlc_object_t * );
 103 void Deactivate ( vlc_object_t * );
 104
 105 static int  InitVideo      ( vout_thread_t * );
 106 static void EndVideo       ( vout_thread_t * );
 107 static void DisplayVideo   ( vout_thread_t *, picture_t * );
 108 static int  ManageVideo    ( vout_thread_t * );
 109 static int  Control        ( vout_thread_t *, int, va_list );
 110
 111 static int  InitDisplay    ( vout_thread_t * );
 112
 113 static int  CreateWindow   ( vout_thread_t *, x11_window_t * );
 114 static void DestroyWindow  ( vout_thread_t *, x11_window_t * );
 115
 116 static int  NewPicture     ( vout_thread_t *, picture_t * );
 117 static void FreePicture    ( vout_thread_t *, picture_t * );
 118
 119 #ifdef HAVE_SYS_SHM_H
 120 static int i_shm_major = 0;
 121 #endif
 122
 123 static void ToggleFullScreen      ( vout_thread_t * );
 124
 125 static void EnableXScreenSaver    ( vout_thread_t * );
 126 static void DisableXScreenSaver   ( vout_thread_t * );
 127
 128 static void CreateCursor   ( vout_thread_t * );
 129 static void DestroyCursor  ( vout_thread_t * );
 130 static void ToggleCursor   ( vout_thread_t * );
 131
 132 #if defined(MODULE_NAME_IS_xvideo) || defined(MODULE_NAME_IS_xvmc)
 133 static int  XVideoGetPort    ( vout_thread_t *, vlc_fourcc_t, picture_heap_t * );
 134 static void XVideoReleasePort( vout_thread_t *, int );
 135 #endif
 136
 137 #ifdef MODULE_NAME_IS_x11
 138 static void SetPalette     ( vout_thread_t *,
 139                              uint16_t *, uint16_t *, uint16_t * );
 140 #endif
 141
 142 #ifdef MODULE_NAME_IS_xvmc
 143 static void RenderVideo    ( vout_thread_t *, picture_t * );
 144 static int  xvmc_check_yv12( Display *display, XvPortID port );
 145 static void xvmc_update_XV_DOUBLE_BUFFER( vout_thread_t *p_vout );
 146 #endif
 147
 148 static void TestNetWMSupport( vout_thread_t * );
 149 static int ConvertKey( int );
 150
 151 static int WindowOnTop( vout_thread_t *, bool );
 152
 153 static int X11ErrorHandler( Display *, XErrorEvent * );
 154
 155 #ifdef HAVE_XSP
 156 static void EnablePixelDoubling( vout_thread_t *p_vout );
 157 static void DisablePixelDoubling( vout_thread_t *p_vout );
 158 #endif
 159
 160 #ifdef HAVE_OSSO
 161 static const int i_backlight_on_interval = 300;
 162 #endif
 163
 164
 165
 166 /*****************************************************************************
 167  * Activate: allocate X11 video thread output method
 168  *****************************************************************************
 169  * This function allocate and initialize a X11 vout method. It uses some of the
 170  * vout properties to choose the window size, and change them according to the
 171  * actual properties of the display.
 172  *****************************************************************************/
 173 int Activate ( vlc_object_t *p_this )
 174 {
 175     vout_thread_t *p_vout = (vout_thread_t *)p_this;
 176     char *        psz_display;
 177     vlc_value_t   val;
 178 #if defined(MODULE_NAME_IS_xvmc)
 179     char *psz_value;
 180 #endif
 181 #if defined(MODULE_NAME_IS_xvideo) || defined(MODULE_NAME_IS_xvmc)
 182     char *       psz_chroma;
 183     vlc_fourcc_t i_chroma = 0;
 184     bool   b_chroma = 0;
 185 #endif
 186
 187     p_vout->pf_init = InitVideo;
 188     p_vout->pf_end = EndVideo;
 189     p_vout->pf_manage = ManageVideo;
 190 #ifdef MODULE_NAME_IS_xvmc
 191     p_vout->pf_render = RenderVideo;
 192 #else
 193     p_vout->pf_render = NULL;
 194 #endif
 195     p_vout->pf_display = DisplayVideo;
 196     p_vout->pf_control = Control;
 197
 198     /* Allocate structure */
 199     p_vout->p_sys = malloc( sizeof( vout_sys_t ) );
 200     if( p_vout->p_sys == NULL )
 201         return VLC_ENOMEM;
 202
 203     /* key and mouse event handling */
 204     p_vout->p_sys->i_vout_event = var_CreateGetInteger( p_vout, "vout-event" );
 205
 206     /* Open display, using the "display" config variable or the DISPLAY
 207      * environment variable */
 208     psz_display = config_GetPsz( p_vout, MODULE_STRING "-display" );
 209
 210     p_vout->p_sys->p_display = XOpenDisplay( psz_display );
 211
 212     if( p_vout->p_sys->p_display == NULL )                         /* error */
 213     {
 214         msg_Err( p_vout, "cannot open display %s",
 215                          XDisplayName( psz_display ) );
 216         free( p_vout->p_sys );
 217         free( psz_display );
 218         return VLC_EGENERIC;
 219     }
 220     free( psz_display );
 221
 222     /* Replace error handler so we can intercept some non-fatal errors */
 223     XSetErrorHandler( X11ErrorHandler );
 224
 225     /* Get a screen ID matching the XOpenDisplay return value */
 226     p_vout->p_sys->i_screen = DefaultScreen( p_vout->p_sys->p_display );
 227
 228 #if defined(MODULE_NAME_IS_xvideo) || defined(MODULE_NAME_IS_xvmc)
 229     psz_chroma = config_GetPsz( p_vout, "xvideo-chroma" );
 230     if( psz_chroma )
 231     {
 232         if( strlen( psz_chroma ) >= 4 )
 233         {
 234             /* Do not use direct assignment because we are not sure of the
 235              * alignment. */
 236             memcpy(&i_chroma, psz_chroma, 4);
 237             b_chroma = 1;
 238         }
 239
 240         free( psz_chroma );
 241     }
 242
 243     if( b_chroma )
 244     {
 245         msg_Dbg( p_vout, "forcing chroma 0x%.8x (%4.4s)",
 246                  i_chroma, (char*)&i_chroma );
 247     }
 248     else
 249     {
 250         i_chroma = p_vout->render.i_chroma;
 251     }
 252
 253     /* Check that we have access to an XVideo port providing this chroma */
 254     p_vout->p_sys->i_xvport = XVideoGetPort( p_vout, VLC2X11_FOURCC(i_chroma),
 255                                              &p_vout->output );
 256     if( p_vout->p_sys->i_xvport < 0 )
 257     {
 258         /* If a specific chroma format was requested, then we don't try to
 259          * be cleverer than the user. He knew pretty well what he wanted. */
 260         if( b_chroma )
 261         {
 262             XCloseDisplay( p_vout->p_sys->p_display );
 263             free( p_vout->p_sys );
 264             return VLC_EGENERIC;
 265         }
 266
 267         /* It failed, but it's not completely lost ! We try to open an
 268          * XVideo port for an YUY2 picture. We'll need to do an YUV
 269          * conversion, but at least it has got scaling. */
 270         p_vout->p_sys->i_xvport =
 271                         XVideoGetPort( p_vout, X11_FOURCC('Y','U','Y','2'),
 272                                                &p_vout->output );
 273         if( p_vout->p_sys->i_xvport < 0 )
 274         {
 275             /* It failed, but it's not completely lost ! We try to open an
 276              * XVideo port for a simple 16bpp RGB picture. We'll need to do
 277              * an YUV conversion, but at least it has got scaling. */
 278             p_vout->p_sys->i_xvport =
 279                             XVideoGetPort( p_vout, X11_FOURCC('R','V','1','6'),
 280                                                    &p_vout->output );
 281             if( p_vout->p_sys->i_xvport < 0 )
 282             {
 283                 XCloseDisplay( p_vout->p_sys->p_display );
 284                 free( p_vout->p_sys );
 285                 return VLC_EGENERIC;
 286             }
 287         }
 288     }
 289     p_vout->output.i_chroma = vlc_fourcc_GetCodec( VIDEO_ES, X112VLC_FOURCC(p_vout->output.i_chroma) );
 290 #elif defined(MODULE_NAME_IS_glx)
 291     {
 292         int i_opcode, i_evt, i_err = 0;
 293         int i_maj, i_min = 0;
 294
 295         /* Check for GLX extension */
 296         if( !XQueryExtension( p_vout->p_sys->p_display, "GLX",
 297                               &i_opcode, &i_evt, &i_err ) )
 298         {
 299             msg_Err( p_this, "GLX extension not supported" );
 300             XCloseDisplay( p_vout->p_sys->p_display );
 301             free( p_vout->p_sys );
 302             return VLC_EGENERIC;
 303         }
 304         if( !glXQueryExtension( p_vout->p_sys->p_display, &i_err, &i_evt ) )
 305         {
 306             msg_Err( p_this, "glXQueryExtension failed" );
 307             XCloseDisplay( p_vout->p_sys->p_display );
 308             free( p_vout->p_sys );
 309             return VLC_EGENERIC;
 310         }
 311
 312         /* Check GLX version */
 313         if (!glXQueryVersion( p_vout->p_sys->p_display, &i_maj, &i_min ) )
 314         {
 315             msg_Err( p_this, "glXQueryVersion failed" );
 316             XCloseDisplay( p_vout->p_sys->p_display );
 317             free( p_vout->p_sys );
 318             return VLC_EGENERIC;
 319         }
 320         if( i_maj <= 0 || ((i_maj == 1) && (i_min < 3)) )
 321         {
 322             p_vout->p_sys->b_glx13 = false;
 323             msg_Dbg( p_this, "using GLX 1.2 API" );
 324         }
 325         else
 326         {
 327             p_vout->p_sys->b_glx13 = true;
 328             msg_Dbg( p_this, "using GLX 1.3 API" );
 329         }
 330     }
 331 #endif
 332
 333     /* Create blank cursor (for mouse cursor autohiding) */
 334     p_vout->p_sys->i_time_mouse_last_moved = mdate();
 335     p_vout->p_sys->i_mouse_hide_timeout =
 336         var_GetInteger(p_vout, "mouse-hide-timeout") * 1000;
 337     p_vout->p_sys->b_mouse_pointer_visible = 1;
 338     CreateCursor( p_vout );
 339
 340     /* Set main window's size */
 341     p_vout->p_sys->original_window.i_width = p_vout->i_window_width;
 342     p_vout->p_sys->original_window.i_height = p_vout->i_window_height;
 343     var_Create( p_vout, "video-title", VLC_VAR_STRING | VLC_VAR_DOINHERIT );
 344     /* Spawn base window - this window will include the video output window,
 345      * but also command buttons, subtitles and other indicators */
 346     if( CreateWindow( p_vout, &p_vout->p_sys->original_window ) )
 347     {
 348         msg_Err( p_vout, "cannot create X11 window" );
 349         DestroyCursor( p_vout );
 350         XCloseDisplay( p_vout->p_sys->p_display );
 351         free( p_vout->p_sys );
 352         return VLC_EGENERIC;
 353     }
 354
 355     /* Open and initialize device. */
 356     if( InitDisplay( p_vout ) )
 357     {
 358         msg_Err( p_vout, "cannot initialize X11 display" );
 359         DestroyCursor( p_vout );
 360         DestroyWindow( p_vout, &p_vout->p_sys->original_window );
 361         XCloseDisplay( p_vout->p_sys->p_display );
 362         free( p_vout->p_sys );
 363         return VLC_EGENERIC;
 364     }
 365
 366     /* Disable screen saver */
 367     DisableXScreenSaver( p_vout );
 368
 369     /* Misc init */
 370     p_vout->p_sys->b_altfullscreen = 0;
 371     p_vout->p_sys->i_time_button_last_pressed = 0;
 372
 373     TestNetWMSupport( p_vout );
 374
 375 #ifdef MODULE_NAME_IS_xvmc
 376     p_vout->p_sys->p_last_subtitle_save = NULL;
 377     psz_value = config_GetPsz( p_vout, "xvmc-deinterlace-mode" );
 378
 379     /* Look what method was requested */
 380     //var_Create( p_vout, "xvmc-deinterlace-mode", VLC_VAR_STRING );
 381     //var_Change( p_vout, "xvmc-deinterlace-mode", VLC_VAR_INHERITVALUE, &val, NULL );
 382     if( psz_value )
 383     {
 384         if( (strcmp(psz_value, "bob") == 0) ||
 385             (strcmp(psz_value, "blend") == 0) )
 386            p_vout->p_sys->xvmc_deinterlace_method = 2;
 387         else if (strcmp(psz_value, "discard") == 0)
 388            p_vout->p_sys->xvmc_deinterlace_method = 1;
 389         else
 390            p_vout->p_sys->xvmc_deinterlace_method = 0;
 391         free(psz_value );
 392     }
 393     else
 394         p_vout->p_sys->xvmc_deinterlace_method = 0;
 395
 396     /* Look what method was requested */
 397     //var_Create( p_vout, "xvmc-crop-style", VLC_VAR_STRING );
 398     //var_Change( p_vout, "xvmc-crop-style", VLC_VAR_INHERITVALUE, &val, NULL );
 399     psz_value = config_GetPsz( p_vout, "xvmc-crop-style" );
 400
 401     if( psz_value )
 402     {
 403         if( strncmp( psz_value, "eq", 2 ) == 0 )
 404            p_vout->p_sys->xvmc_crop_style = 1;
 405         else if( strncmp( psz_value, "4-16", 4 ) == 0)
 406            p_vout->p_sys->xvmc_crop_style = 2;
 407         else if( strncmp( psz_value, "16-4", 4 ) == 0)
 408            p_vout->p_sys->xvmc_crop_style = 3;
 409         else
 410            p_vout->p_sys->xvmc_crop_style = 0;
 411         free( psz_value );
 412     }
 413     else
 414         p_vout->p_sys->xvmc_crop_style = 0;
 415
 416     msg_Dbg(p_vout, "Deinterlace = %d", p_vout->p_sys->xvmc_deinterlace_method);
 417     msg_Dbg(p_vout, "Crop = %d", p_vout->p_sys->xvmc_crop_style);
 418
 419     if( checkXvMCCap( p_vout ) == VLC_EGENERIC )
 420     {
 421         msg_Err( p_vout, "no XVMC capability found" );
 422         Deactivate( p_this );
 423         return VLC_EGENERIC;
 424     }
 425     subpicture_t sub_pic;
 426     sub_pic.p_sys = NULL;
 427     p_vout->p_sys->last_date = 0;
 428 #endif
 429
 430 #ifdef HAVE_XSP
 431     p_vout->p_sys->i_hw_scale = 1;
 432 #endif
 433
 434 #ifdef HAVE_OSSO
 435     p_vout->p_sys->i_backlight_on_counter = i_backlight_on_interval;
 436     p_vout->p_sys->p_octx = osso_initialize( "vlc", VERSION, 0, NULL );
 437     if ( p_vout->p_sys->p_octx == NULL ) {
 438         msg_Err( p_vout, "Could not get osso context" );
 439     } else {
 440         msg_Dbg( p_vout, "Initialized osso context" );
 441     }
 442 #endif
 443
 444     /* Variable to indicate if the window should be on top of others */
 445     /* Trigger a callback right now */
 446     var_Get( p_vout, "video-on-top", &val );
 447     var_Set( p_vout, "video-on-top", val );
 448
 449     return VLC_SUCCESS;
 450 }
 451
 452 /*****************************************************************************
 453  * Deactivate: destroy X11 video thread output method
 454  *****************************************************************************
 455  * Terminate an output method created by Open
 456  *****************************************************************************/
 457 void Deactivate ( vlc_object_t *p_this )
 458 {
 459     vout_thread_t *p_vout = (vout_thread_t *)p_this;
 460
 461     /* If the fullscreen window is still open, close it */
 462     if( p_vout->b_fullscreen )
 463     {
 464         ToggleFullScreen( p_vout );
 465     }
 466
 467     /* Restore cursor if it was blanked */
 468     if( !p_vout->p_sys->b_mouse_pointer_visible )
 469     {
 470         ToggleCursor( p_vout );
 471     }
 472
 473 #ifdef MODULE_NAME_IS_x11
 474     /* Destroy colormap */
 475     if( XDefaultDepth(p_vout->p_sys->p_display, p_vout->p_sys->i_screen) == 8 )
 476     {
 477         XFreeColormap( p_vout->p_sys->p_display, p_vout->p_sys->colormap );
 478     }
 479 #elif defined(MODULE_NAME_IS_xvideo)
 480     XVideoReleasePort( p_vout, p_vout->p_sys->i_xvport );
 481 #elif defined(MODULE_NAME_IS_xvmc)
 482     if( p_vout->p_sys->xvmc_cap )
 483     {
 484         xvmc_context_writer_lock( &p_vout->p_sys->xvmc_lock );
 485         xxmc_dispose_context( p_vout );
 486         if( p_vout->p_sys->old_subpic )
 487         {
 488             xxmc_xvmc_free_subpicture( p_vout, p_vout->p_sys->old_subpic );
 489             p_vout->p_sys->old_subpic = NULL;
 490         }
 491         if( p_vout->p_sys->new_subpic )
 492         {
 493             xxmc_xvmc_free_subpicture( p_vout, p_vout->p_sys->new_subpic );
 494             p_vout->p_sys->new_subpic = NULL;
 495         }
 496         free( p_vout->p_sys->xvmc_cap );
 497         xvmc_context_writer_unlock( &p_vout->p_sys->xvmc_lock );
 498     }
 499 #endif
 500
 501 #ifdef HAVE_XSP
 502     DisablePixelDoubling(p_vout);
 503 #endif
 504
 505     DestroyCursor( p_vout );
 506     EnableXScreenSaver( p_vout );
 507     DestroyWindow( p_vout, &p_vout->p_sys->original_window );
 508     XCloseDisplay( p_vout->p_sys->p_display );
 509
 510     /* Destroy structure */
 511 #ifdef MODULE_NAME_IS_xvmc
 512     free_context_lock( &p_vout->p_sys->xvmc_lock );
 513 #endif
 514
 515 #ifdef HAVE_OSSO
 516     if ( p_vout->p_sys->p_octx != NULL ) {
 517         msg_Dbg( p_vout, "Deinitializing osso context" );
 518         osso_deinitialize( p_vout->p_sys->p_octx );
 519     }
 520 #endif
 521
 522     free( p_vout->p_sys );
 523 }
 524
 525 #ifdef MODULE_NAME_IS_xvmc
 526
 527 #define XINE_IMGFMT_YV12 (('2'<<24)|('1'<<16)|('V'<<8)|'Y')
 528
 529 /* called xlocked */
 530 static int xvmc_check_yv12( Display *display, XvPortID port )
 531 {
 532     XvImageFormatValues *formatValues;
 533     int                  formats;
 534     int                  i;
 535
 536     formatValues = XvListImageFormats( display, port, &formats );
 537
 538     for( i = 0; i < formats; i++ )
 539     {
 540         if( ( formatValues[i].id == XINE_IMGFMT_YV12 ) &&
 541             ( !( strncmp( formatValues[i].guid, "YV12", 4 ) ) ) )
 542         {
 543             XFree (formatValues);
 544             return 0;
 545         }
 546     }
 547
 548     XFree (formatValues);
 549     return 1;
 550 }
 551
 552 static void xvmc_sync_surface( vout_thread_t *p_vout, XvMCSurface * srf )
 553 {
 554     XvMCSyncSurface( p_vout->p_sys->p_display, srf );
 555 }
 556
 557 static void xvmc_update_XV_DOUBLE_BUFFER( vout_thread_t *p_vout )
 558 {
 559     Atom         atom;
 560     int          xv_double_buffer;
 561
 562     xv_double_buffer = 1;
 563
 564     XLockDisplay( p_vout->p_sys->p_display );
 565     atom = XInternAtom( p_vout->p_sys->p_display, "XV_DOUBLE_BUFFER", False );
 566 #if 0
 567     XvSetPortAttribute (p_vout->p_sys->p_display, p_vout->p_sys->i_xvport, atom, xv_double_buffer);
 568 #endif
 569     XvMCSetAttribute( p_vout->p_sys->p_display, &p_vout->p_sys->context, atom, xv_double_buffer );
 570     XUnlockDisplay( p_vout->p_sys->p_display );
 571
 572     //xprintf(this->xine, XINE_VERBOSITY_DEBUG,
 573     //    "video_out_xxmc: double buffering mode = %d\n", xv_double_buffer);
 574 }
 575
 576 static void RenderVideo( vout_thread_t *p_vout, picture_t *p_pic )
 577 {
 578     vlc_xxmc_t *xxmc = NULL;
 579
 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         xvmc_context_reader_unlock( &p_vout->p_sys->xvmc_lock );
 587         return;
 588     }
 589
 590 #if 0
 591     vlc_mutex_lock( &p_vout->lastsubtitle_lock );
 592     if (p_vout->p_sys->p_last_subtitle != NULL)
 593     {
 594         if( p_vout->p_sys->p_last_subtitle_save != p_vout->p_sys->p_last_subtitle )
 595         {
 596             p_vout->p_sys->new_subpic =
 597                 xxmc_xvmc_alloc_subpicture( p_vout, &p_vout->p_sys->context,
 598                     p_vout->p_sys->xvmc_width,
 599                     p_vout->p_sys->xvmc_height,
 600                     p_vout->p_sys->xvmc_cap[p_vout->p_sys->xvmc_cur_cap].subPicType.id );
 601
 602             if (p_vout->p_sys->new_subpic)
 603             {
 604                 XVMCLOCKDISPLAY( p_vout->p_sys->p_display );
 605                 XvMCClearSubpicture( p_vout->p_sys->p_display,
 606                         p_vout->p_sys->new_subpic,
 607                         0,
 608                         0,
 609                         p_vout->p_sys->xvmc_width,
 610                         p_vout->p_sys->xvmc_height,
 611                         0x00 );
 612                 XVMCUNLOCKDISPLAY( p_vout->p_sys->p_display );
 613                 clear_xx44_palette( &p_vout->p_sys->palette );
 614
 615                 if( sub_pic.p_sys == NULL )
 616                 {
 617                     sub_pic.p_sys = malloc( sizeof( picture_sys_t ) );
 618                     if( sub_pic.p_sys != NULL )
 619                     {
 620                         sub_pic.p_sys->p_vout = p_vout;
 621                         sub_pic.p_sys->xvmc_surf = NULL;
 622                         sub_pic.p_sys->p_image = p_vout->p_sys->subImage;
 623                     }
 624                 }
 625                 sub_pic.p_sys->p_image = p_vout->p_sys->subImage;
 626                 sub_pic.p->p_pixels = sub_pic.p_sys->p_image->data;
 627                 sub_pic.p->i_pitch = p_vout->output.i_width;
 628
 629                 memset( p_vout->p_sys->subImage->data, 0,
 630                         (p_vout->p_sys->subImage->width * p_vout->p_sys->subImage->height) );
 631
 632                 if (p_vout->p_last_subtitle != NULL)
 633                 {
 634                     blend_xx44( p_vout->p_sys->subImage->data,
 635                                 p_vout->p_last_subtitle,
 636                                 p_vout->p_sys->subImage->width,
 637                                 p_vout->p_sys->subImage->height,
 638                                 p_vout->p_sys->subImage->width,
 639                                 &p_vout->p_sys->palette,
 640                                 (p_vout->p_sys->subImage->id == FOURCC_IA44) );
 641                 }
 642
 643                 XVMCLOCKDISPLAY( p_vout->p_sys->p_display );
 644                 XvMCCompositeSubpicture( p_vout->p_sys->p_display,
 645                                          p_vout->p_sys->new_subpic,
 646                                          p_vout->p_sys->subImage,
 647                                          0, /* overlay->x */
 648                                          0, /* overlay->y */
 649                                          p_vout->output.i_width, /* overlay->width, */
 650                                          p_vout->output.i_height, /* overlay->height */
 651                                          0, /* overlay->x */
 652                                          0 ); /*overlay->y */
 653                 XVMCUNLOCKDISPLAY( p_vout->p_sys->p_display );
 654                 if (p_vout->p_sys->old_subpic)
 655                 {
 656                     xxmc_xvmc_free_subpicture( p_vout,
 657                                                p_vout->p_sys->old_subpic);
 658                     p_vout->p_sys->old_subpic = NULL;
 659                 }
 660                 if (p_vout->p_sys->new_subpic)
 661                 {
 662                     p_vout->p_sys->old_subpic = p_vout->p_sys->new_subpic;
 663                     p_vout->p_sys->new_subpic = NULL;
 664                     xx44_to_xvmc_palette( &p_vout->p_sys->palette,
 665                             p_vout->p_sys->xvmc_palette,
 666                             0,
 667                             p_vout->p_sys->old_subpic->num_palette_entries,
 668                             p_vout->p_sys->old_subpic->entry_bytes,
 669                             p_vout->p_sys->old_subpic->component_order );
 670                     XVMCLOCKDISPLAY( p_vout->p_sys->p_display );
 671                     XvMCSetSubpicturePalette( p_vout->p_sys->p_display,
 672                                               p_vout->p_sys->old_subpic,
 673                                               p_vout->p_sys->xvmc_palette );
 674                     XvMCFlushSubpicture( p_vout->p_sys->p_display,
 675                                          p_vout->p_sys->old_subpic);
 676                     XvMCSyncSubpicture( p_vout->p_sys->p_display,
 677                                         p_vout->p_sys->old_subpic );
 678                     XVMCUNLOCKDISPLAY( p_vout->p_sys->p_display );
 679                 }
 680
 681                 XVMCLOCKDISPLAY( p_vout->p_sys->p_display);
 682                 if (p_vout->p_sys->xvmc_backend_subpic )
 683                 {
 684                     XvMCBlendSubpicture( p_vout->p_sys->p_display,
 685                                          p_pic->p_sys->xvmc_surf,
 686                                          p_vout->p_sys->old_subpic,
 687                                          0,
 688                                          0,
 689                                          p_vout->p_sys->xvmc_width,
 690                                          p_vout->p_sys->xvmc_height,
 691                                          0,
 692                                          0,
 693                                          p_vout->p_sys->xvmc_width,
 694                                          p_vout->p_sys->xvmc_height );
 695                 }
 696                 else
 697                 {
 698                     XvMCBlendSubpicture2( p_vout->p_sys->p_display,
 699                                           p_pic->p_sys->xvmc_surf,
 700                                           p_pic->p_sys->xvmc_surf,
 701                                           p_vout->p_sys->old_subpic,
 702                                           0,
 703                                           0,
 704                                           p_vout->p_sys->xvmc_width,
 705                                           p_vout->p_sys->xvmc_height,
 706                                           0,
 707                                           0,
 708                                           p_vout->p_sys->xvmc_width,
 709                                           p_vout->p_sys->xvmc_height );
 710                }
 711                XVMCUNLOCKDISPLAY(p_vout->p_sys->p_display);
 712             }
 713         }
 714         else
 715         {
 716             XVMCLOCKDISPLAY( p_vout->p_sys->p_display );
 717             if( p_vout->p_sys->xvmc_backend_subpic )
 718             {
 719                 XvMCBlendSubpicture( p_vout->p_sys->p_display,
 720                                      p_pic->p_sys->xvmc_surf,
 721                                      p_vout->p_sys->old_subpic,
 722                                      0, 0,
 723                                      p_vout->p_sys->xvmc_width,
 724                                      p_vout->p_sys->xvmc_height,
 725                                      0, 0,
 726                                      p_vout->p_sys->xvmc_width,
 727                                      p_vout->p_sys->xvmc_height );
 728             }
 729             else
 730             {
 731                 XvMCBlendSubpicture2( p_vout->p_sys->p_display,
 732                                       p_pic->p_sys->xvmc_surf,
 733                                       p_pic->p_sys->xvmc_surf,
 734                                       p_vout->p_sys->old_subpic,
 735                                       0, 0,
 736                                       p_vout->p_sys->xvmc_width,
 737                                       p_vout->p_sys->xvmc_height,
 738                                       0, 0,
 739                                       p_vout->p_sys->xvmc_width,
 740                                       p_vout->p_sys->xvmc_height );
 741             }
 742             XVMCUNLOCKDISPLAY( p_vout->p_sys->p_display );
 743         }
 744     }
 745     p_vout->p_sys->p_last_subtitle_save = p_vout->p_last_subtitle;
 746
 747     vlc_mutex_unlock( &p_vout->lastsubtitle_lock );
 748 #endif
 749     xvmc_context_reader_unlock( &p_vout->p_sys->xvmc_lock );
 750 }
 751 #endif
 752
 753 #ifdef HAVE_XSP
 754 /*****************************************************************************
 755  * EnablePixelDoubling: Enables pixel doubling
 756  *****************************************************************************
 757  * Checks if the double size image fits in current window, and enables pixel
 758  * doubling accordingly. The i_hw_scale is the integer scaling factor.
 759  *****************************************************************************/
 760 static void EnablePixelDoubling( vout_thread_t *p_vout )
 761 {
 762     int i_hor_scale = ( p_vout->p_sys->p_win->i_width ) / p_vout->render.i_width;
 763     int i_vert_scale =  ( p_vout->p_sys->p_win->i_height ) / p_vout->render.i_height;
 764     if ( ( i_hor_scale > 1 ) && ( i_vert_scale > 1 ) ) {
 765         p_vout->p_sys->i_hw_scale = 2;
 766         msg_Dbg( p_vout, "Enabling pixel doubling, scaling factor %d", p_vout->p_sys->i_hw_scale );
 767         XSPSetPixelDoubling( p_vout->p_sys->p_display, 0, 1 );
 768     }
 769 }
 770
 771 /*****************************************************************************
 772  * DisablePixelDoubling: Disables pixel doubling
 773  *****************************************************************************
 774  * The scaling factor i_hw_scale is reset to the no-scaling value 1.
 775  *****************************************************************************/
 776 static void DisablePixelDoubling( vout_thread_t *p_vout )
 777 {
 778     if ( p_vout->p_sys->i_hw_scale > 1 ) {
 779         msg_Dbg( p_vout, "Disabling pixel doubling" );
 780         XSPSetPixelDoubling( p_vout->p_sys->p_display, 0, 0 );
 781         p_vout->p_sys->i_hw_scale = 1;
 782     }
 783 }
 784 #endif
 785
 786
 787
 788 /*****************************************************************************
 789  * InitVideo: initialize X11 video thread output method
 790  *****************************************************************************
 791  * This function create the XImages needed by the output thread. It is called
 792  * at the beginning of the thread, but also each time the window is resized.
 793  *****************************************************************************/
 794 static int InitVideo( vout_thread_t *p_vout )
 795 {
 796     unsigned int i_index = 0;
 797     picture_t *p_pic;
 798
 799     I_OUTPUTPICTURES = 0;
 800
 801 #if defined(MODULE_NAME_IS_xvideo) || defined(MODULE_NAME_IS_xvmc)
 802     /* Initialize the output structure; we already found an XVideo port,
 803      * and the corresponding chroma we will be using. Since we can
 804      * arbitrary scale, stick to the coordinates and aspect. */
 805     p_vout->output.i_width  = p_vout->render.i_width;
 806     p_vout->output.i_height = p_vout->render.i_height;
 807     p_vout->output.i_aspect = p_vout->render.i_aspect;
 808
 809     p_vout->fmt_out = p_vout->fmt_in;
 810     p_vout->fmt_out.i_chroma = p_vout->output.i_chroma;
 811
 812 #if XvVersion < 2 || ( XvVersion == 2 && XvRevision < 2 )
 813     switch( p_vout->output.i_chroma )
 814     {
 815         case VLC_CODEC_RGB16:
 816 #if defined( WORDS_BIGENDIAN )
 817             p_vout->output.i_rmask = 0xf800;
 818             p_vout->output.i_gmask = 0x07e0;
 819             p_vout->output.i_bmask = 0x001f;
 820 #else
 821             p_vout->output.i_rmask = 0x001f;
 822             p_vout->output.i_gmask = 0x07e0;
 823             p_vout->output.i_bmask = 0xf800;
 824 #endif
 825             break;
 826         case VLC_CODEC_RGB15:
 827 #if defined( WORDS_BIGENDIAN )
 828             p_vout->output.i_rmask = 0x7c00;
 829             p_vout->output.i_gmask = 0x03e0;
 830             p_vout->output.i_bmask = 0x001f;
 831 #else
 832             p_vout->output.i_rmask = 0x001f;
 833             p_vout->output.i_gmask = 0x03e0;
 834             p_vout->output.i_bmask = 0x7c00;
 835 #endif
 836             break;
 837     }
 838 #endif
 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_CODEC_RGB8; break;
 847         case 15:
 848             p_vout->output.i_chroma = VLC_CODEC_RGB15; break;
 849         case 16:
 850             p_vout->output.i_chroma = VLC_CODEC_RGB16; break;
 851         case 24:
 852         case 32:
 853             p_vout->output.i_chroma = VLC_CODEC_RGB32; 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_CODEC_YV12 )
 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_CODEC_I420;
 934         p_vout->fmt_out.i_chroma = VLC_CODEC_I420;
 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 #ifdef MODULE_NAME_IS_xvmc
 955     xvmc_context_reader_lock( &p_vout->p_sys->xvmc_lock );
 956
 957     vlc_xxmc_t *xxmc = &p_pic->p_sys->xxmc_data;
 958     if( !xxmc->decoded ||
 959         !xxmc_xvmc_surface_valid( p_vout, p_pic->p_sys->xvmc_surf ) )
 960     {
 961       msg_Dbg( p_vout, "DisplayVideo decoded=%d\tsurfacevalid=%d",
 962                xxmc->decoded,
 963                xxmc_xvmc_surface_valid( p_vout, p_pic->p_sys->xvmc_surf ) );
 964       xvmc_context_reader_unlock( &p_vout->p_sys->xvmc_lock );
 965       return;
 966     }
 967
 968     int src_width = p_vout->output.i_width;
 969     int src_height = p_vout->output.i_height;
 970     int src_x, src_y;
 971
 972     if( p_vout->p_sys->xvmc_crop_style == 1 )
 973     {
 974         src_x = 20;
 975         src_y = 20;
 976         src_width -= 40;
 977         src_height -= 40;
 978     }
 979     else if( p_vout->p_sys->xvmc_crop_style == 2 )
 980     {
 981         src_x = 20;
 982         src_y = 40;
 983         src_width -= 40;
 984         src_height -= 80;
 985     }
 986     else if( p_vout->p_sys->xvmc_crop_style == 3 )
 987     {
 988         src_x = 40;
 989         src_y = 20;
 990         src_width -= 80;
 991         src_height -= 40;
 992     }
 993     else
 994     {
 995         src_x = 0;
 996         src_y = 0;
 997     }
 998
 999     int first_field;
1000     if( p_vout->p_sys->xvmc_deinterlace_method > 0 )
1001     {   /* BOB DEINTERLACE */
1002         if( (p_pic->p_sys->nb_display == 0) ||
1003             (p_vout->p_sys->xvmc_deinterlace_method == 1) )
1004         {
1005             first_field = (p_pic->b_top_field_first) ?
1006                                 XVMC_BOTTOM_FIELD : XVMC_TOP_FIELD;
1007         }
1008         else
1009         {
1010             first_field = (p_pic->b_top_field_first) ?
1011                                 XVMC_TOP_FIELD : XVMC_BOTTOM_FIELD;
1012         }
1013     }
1014     else
1015     {
1016         first_field = XVMC_FRAME_PICTURE;
1017      }
1018
1019     XVMCLOCKDISPLAY( p_vout->p_sys->p_display );
1020     XvMCFlushSurface( p_vout->p_sys->p_display, p_pic->p_sys->xvmc_surf );
1021     /* XvMCSyncSurface(p_vout->p_sys->p_display, p_picture->p_sys->xvmc_surf); */
1022     XvMCPutSurface( p_vout->p_sys->p_display,
1023                     p_pic->p_sys->xvmc_surf,
1024                     p_vout->p_sys->p_win->video_window,
1025                     src_x,
1026                     src_y,
1027                     src_width,
1028                     src_height,
1029                     0 /*dest_x*/,
1030                     0 /*dest_y*/,
1031                     i_width,
1032                     i_height,
1033                     first_field);
1034
1035     XVMCUNLOCKDISPLAY( p_vout->p_sys->p_display );
1036     if( p_vout->p_sys->xvmc_deinterlace_method == 2 )
1037     {   /* BOB DEINTERLACE */
1038         if( p_pic->p_sys->nb_display == 0 )/* && ((t2-t1) < 15000)) */
1039         {
1040             mtime_t last_date = p_pic->date;
1041
1042             vlc_mutex_lock( &p_vout->picture_lock );
1043             if( !p_vout->p_sys->last_date )
1044             {
1045                 p_pic->date += 20000;
1046             }
1047             else
1048             {
1049                 p_pic->date = ((3 * p_pic->date -
1050                                     p_vout->p_sys->last_date) / 2 );
1051             }
1052             p_vout->p_sys->last_date = last_date;
1053             p_pic->b_force = 1;
1054             p_pic->p_sys->nb_display = 1;
1055             vlc_mutex_unlock( &p_vout->picture_lock );
1056         }
1057         else
1058         {
1059             p_pic->p_sys->nb_display = 0;
1060             p_pic->b_force = 0;
1061         }
1062     }
1063     xvmc_context_reader_unlock( &p_vout->p_sys->xvmc_lock );
1064 #endif
1065
1066 #ifdef HAVE_SYS_SHM_H
1067     if( p_vout->p_sys->i_shm_opcode )
1068     {
1069         /* Display rendered image using shared memory extension */
1070 #if defined(MODULE_NAME_IS_xvideo) || defined(MODULE_NAME_IS_xvmc)
1071         XvShmPutImage( p_vout->p_sys->p_display, p_vout->p_sys->i_xvport,
1072                        p_vout->p_sys->p_win->video_window,
1073                        p_vout->p_sys->p_win->gc, p_pic->p_sys->p_image,
1074                        p_vout->fmt_out.i_x_offset,
1075                        p_vout->fmt_out.i_y_offset,
1076                        p_vout->fmt_out.i_visible_width,
1077                        p_vout->fmt_out.i_visible_height,
1078                        0 /*dest_x*/, 0 /*dest_y*/, i_width, i_height,
1079                        False /* Don't put True here or you'll waste your CPU */ );
1080 #else
1081         XShmPutImage( p_vout->p_sys->p_display,
1082                       p_vout->p_sys->p_win->video_window,
1083                       p_vout->p_sys->p_win->gc, p_pic->p_sys->p_image,
1084                       p_vout->fmt_out.i_x_offset,
1085                       p_vout->fmt_out.i_y_offset,
1086                       0 /*dest_x*/, 0 /*dest_y*/,
1087                       p_vout->fmt_out.i_visible_width,
1088                       p_vout->fmt_out.i_visible_height,
1089                       False /* Don't put True here ! */ );
1090 #endif
1091     }
1092     else
1093 #endif /* HAVE_SYS_SHM_H */
1094     {
1095         /* Use standard XPutImage -- this is gonna be slow ! */
1096 #if defined(MODULE_NAME_IS_xvideo) || defined(MODULE_NAME_IS_xvmc)
1097         XvPutImage( p_vout->p_sys->p_display, p_vout->p_sys->i_xvport,
1098                     p_vout->p_sys->p_win->video_window,
1099                     p_vout->p_sys->p_win->gc, p_pic->p_sys->p_image,
1100                     p_vout->fmt_out.i_x_offset,
1101                     p_vout->fmt_out.i_y_offset,
1102                     p_vout->fmt_out.i_visible_width,
1103                     p_vout->fmt_out.i_visible_height,
1104                     0 /*dest_x*/, 0 /*dest_y*/, i_width, i_height );
1105 #else
1106         XPutImage( p_vout->p_sys->p_display,
1107                    p_vout->p_sys->p_win->video_window,
1108                    p_vout->p_sys->p_win->gc, p_pic->p_sys->p_image,
1109                    p_vout->fmt_out.i_x_offset,
1110                    p_vout->fmt_out.i_y_offset,
1111                    0 /*dest_x*/, 0 /*dest_y*/,
1112                    p_vout->fmt_out.i_visible_width,
1113                    p_vout->fmt_out.i_visible_height );
1114 #endif
1115     }
1116
1117     /* Make sure the command is sent now - do NOT use XFlush !*/
1118     XSync( p_vout->p_sys->p_display, False );
1119 }
1120
1121 /*****************************************************************************
1122  * ManageVideo: handle X11 events
1123  *****************************************************************************
1124  * This function should be called regularly by video output thread. It manages
1125  * X11 events and allows window resizing. It returns a non null value on
1126  * error.
1127  *****************************************************************************/
1128 static int ManageVideo( vout_thread_t *p_vout )
1129 {
1130     XEvent      xevent;                                         /* X11 event */
1131     vlc_value_t val;
1132
1133 #ifdef MODULE_NAME_IS_xvmc
1134     xvmc_context_reader_lock( &p_vout->p_sys->xvmc_lock );
1135 #endif
1136
1137     /* Handle events from the owner window */
1138     if( p_vout->p_sys->p_win->owner_window )
1139     {
1140         while( XCheckWindowEvent( p_vout->p_sys->p_display,
1141                                 p_vout->p_sys->p_win->owner_window->handle.xid,
1142                                   StructureNotifyMask, &xevent ) == True )
1143         {
1144             /* ConfigureNotify event: prepare  */
1145             if( xevent.type == ConfigureNotify )
1146             {
1147                 /* Update dimensions */
1148                 XResizeWindow( p_vout->p_sys->p_display,
1149                                p_vout->p_sys->p_win->base_window,
1150                                xevent.xconfigure.width,
1151                                xevent.xconfigure.height );
1152             }
1153         }
1154     }
1155
1156     /* Handle X11 events: ConfigureNotify events are parsed to know if the
1157      * output window's size changed, MapNotify and UnmapNotify to know if the
1158      * window is mapped (and if the display is useful), and ClientMessages
1159      * to intercept window destruction requests */
1160
1161     while( XCheckWindowEvent( p_vout->p_sys->p_display,
1162                               p_vout->p_sys->p_win->base_window,
1163                               StructureNotifyMask | KeyPressMask |
1164                               ButtonPressMask | ButtonReleaseMask |
1165                               PointerMotionMask | Button1MotionMask , &xevent )
1166            == True )
1167     {
1168         /* ConfigureNotify event: prepare  */
1169         if( xevent.type == ConfigureNotify )
1170         {
1171             if( (unsigned int)xevent.xconfigure.width
1172                    != p_vout->p_sys->p_win->i_width
1173               || (unsigned int)xevent.xconfigure.height
1174                     != p_vout->p_sys->p_win->i_height )
1175             {
1176                 /* Update dimensions */
1177                 p_vout->i_changes |= VOUT_SIZE_CHANGE;
1178                 p_vout->p_sys->p_win->i_width = xevent.xconfigure.width;
1179                 p_vout->p_sys->p_win->i_height = xevent.xconfigure.height;
1180             }
1181         }
1182         /* Keyboard event */
1183         else if( xevent.type == KeyPress )
1184         {
1185             unsigned int state = xevent.xkey.state;
1186             KeySym x_key_symbol;
1187             char i_key;                                   /* ISO Latin-1 key */
1188
1189             /* We may have keys like F1 trough F12, ESC ... */
1190             x_key_symbol = XKeycodeToKeysym( p_vout->p_sys->p_display,
1191                                              xevent.xkey.keycode, 0 );
1192             val.i_int = ConvertKey( (int)x_key_symbol );
1193
1194             xevent.xkey.state &= ~ShiftMask;
1195             xevent.xkey.state &= ~ControlMask;
1196             xevent.xkey.state &= ~Mod1Mask;
1197
1198             if( !val.i_int &&
1199                 XLookupString( &xevent.xkey, &i_key, 1, NULL, NULL ) )
1200             {
1201                 /* "Normal Keys"
1202                  * The reason why I use this instead of XK_0 is that
1203                  * with XLookupString, we don't have to care about
1204                  * keymaps. */
1205                 val.i_int = i_key;
1206             }
1207
1208             if( val.i_int )
1209             {
1210                 if( state & ShiftMask )
1211                 {
1212                     val.i_int |= KEY_MODIFIER_SHIFT;
1213                 }
1214                 if( state & ControlMask )
1215                 {
1216                     val.i_int |= KEY_MODIFIER_CTRL;
1217                 }
1218                 if( state & Mod1Mask )
1219                 {
1220                     val.i_int |= KEY_MODIFIER_ALT;
1221                 }
1222                 var_Set( p_vout->p_libvlc, "key-pressed", val );
1223             }
1224         }
1225         /* Mouse click */
1226         else if( xevent.type == ButtonPress )
1227         {
1228             switch( ((XButtonEvent *)&xevent)->button )
1229             {
1230                 case Button1:
1231                     var_Get( p_vout, "mouse-button-down", &val );
1232                     val.i_int |= 1;
1233                     var_Set( p_vout, "mouse-button-down", val );
1234
1235                     var_SetBool( p_vout->p_libvlc, "intf-popupmenu", false );
1236
1237                     /* detect double-clicks */
1238                     if( ( ((XButtonEvent *)&xevent)->time -
1239                           p_vout->p_sys->i_time_button_last_pressed ) < 300 )
1240                     {
1241                         p_vout->i_changes |= VOUT_FULLSCREEN_CHANGE;
1242                     }
1243
1244                     p_vout->p_sys->i_time_button_last_pressed =
1245                         ((XButtonEvent *)&xevent)->time;
1246                     break;
1247                 case Button2:
1248                     var_Get( p_vout, "mouse-button-down", &val );
1249                     val.i_int |= 2;
1250                     var_Set( p_vout, "mouse-button-down", val );
1251                     break;
1252
1253                 case Button3:
1254                     var_Get( p_vout, "mouse-button-down", &val );
1255                     val.i_int |= 4;
1256                     var_Set( p_vout, "mouse-button-down", val );
1257                     var_SetBool( p_vout->p_libvlc, "intf-popupmenu", true );
1258                     break;
1259
1260                 case Button4:
1261                     var_Get( p_vout, "mouse-button-down", &val );
1262                     val.i_int |= 8;
1263                     var_Set( p_vout, "mouse-button-down", val );
1264                     break;
1265
1266                 case Button5:
1267                     var_Get( p_vout, "mouse-button-down", &val );
1268                     val.i_int |= 16;
1269                     var_Set( p_vout, "mouse-button-down", val );
1270                     break;
1271             }
1272         }
1273         /* Mouse release */
1274         else if( xevent.type == ButtonRelease )
1275         {
1276             switch( ((XButtonEvent *)&xevent)->button )
1277             {
1278                 case Button1:
1279                     {
1280                         var_Get( p_vout, "mouse-button-down", &val );
1281                         val.i_int &= ~1;
1282                         var_Set( p_vout, "mouse-button-down", val );
1283
1284                         var_SetBool( p_vout, "mouse-clicked", true );
1285                     }
1286                     break;
1287
1288                 case Button2:
1289                     {
1290                         var_Get( p_vout, "mouse-button-down", &val );
1291                         val.i_int &= ~2;
1292                         var_Set( p_vout, "mouse-button-down", val );
1293
1294                         var_Get( p_vout->p_libvlc, "intf-show", &val );
1295                         val.b_bool = !val.b_bool;
1296                         var_Set( p_vout->p_libvlc, "intf-show", val );
1297                     }
1298                     break;
1299
1300                 case Button3:
1301                     {
1302                         var_Get( p_vout, "mouse-button-down", &val );
1303                         val.i_int &= ~4;
1304                         var_Set( p_vout, "mouse-button-down", val );
1305
1306                     }
1307                     break;
1308
1309                 case Button4:
1310                     var_Get( p_vout, "mouse-button-down", &val );
1311                     val.i_int &= ~8;
1312                     var_Set( p_vout, "mouse-button-down", val );
1313                     break;
1314
1315                 case Button5:
1316                     var_Get( p_vout, "mouse-button-down", &val );
1317                     val.i_int &= ~16;
1318                     var_Set( p_vout, "mouse-button-down", val );
1319                     break;
1320
1321             }
1322         }
1323         /* Mouse move */
1324         else if( xevent.type == MotionNotify )
1325         {
1326             unsigned int i_width, i_height, i_x, i_y;
1327
1328             /* somewhat different use for vout_PlacePicture:
1329              * here the values are needed to give to mouse coordinates
1330              * in the original picture space */
1331             vout_PlacePicture( p_vout, p_vout->p_sys->p_win->i_width,
1332                                p_vout->p_sys->p_win->i_height,
1333                                &i_x, &i_y, &i_width, &i_height );
1334
1335             /* Compute the x coordinate and check if the value is
1336                in [0,p_vout->fmt_in.i_visible_width] */
1337             val.i_int = ( xevent.xmotion.x - i_x ) *
1338                 p_vout->fmt_in.i_visible_width / i_width +
1339                 p_vout->fmt_in.i_x_offset;
1340
1341             if( (int)(xevent.xmotion.x - i_x) < 0 )
1342                 val.i_int = 0;
1343             else if( (unsigned int)val.i_int > p_vout->fmt_in.i_visible_width )
1344                 val.i_int = p_vout->fmt_in.i_visible_width;
1345
1346             var_Set( p_vout, "mouse-x", val );
1347
1348             /* compute the y coordinate and check if the value is
1349                in [0,p_vout->fmt_in.i_visible_height] */
1350             val.i_int = ( xevent.xmotion.y - i_y ) *
1351                 p_vout->fmt_in.i_visible_height / i_height +
1352                 p_vout->fmt_in.i_y_offset;
1353
1354             if( (int)(xevent.xmotion.y - i_y) < 0 )
1355                 val.i_int = 0;
1356             else if( (unsigned int)val.i_int > p_vout->fmt_in.i_visible_height )
1357                 val.i_int = p_vout->fmt_in.i_visible_height;
1358
1359             var_Set( p_vout, "mouse-y", val );
1360
1361             var_SetBool( p_vout, "mouse-moved", true );
1362
1363             p_vout->p_sys->i_time_mouse_last_moved = mdate();
1364             if( ! p_vout->p_sys->b_mouse_pointer_visible )
1365             {
1366                 ToggleCursor( p_vout );
1367             }
1368         }
1369         else if( xevent.type == ReparentNotify /* XXX: why do we get this? */
1370                   || xevent.type == MapNotify
1371                   || xevent.type == UnmapNotify )
1372         {
1373             /* Ignore these events */
1374         }
1375         else /* Other events */
1376         {
1377             msg_Warn( p_vout, "unhandled event %d received", xevent.type );
1378         }
1379     }
1380
1381     /* Handle events for video output sub-window */
1382     while( XCheckWindowEvent( p_vout->p_sys->p_display,
1383                               p_vout->p_sys->p_win->video_window,
1384                               ExposureMask, &xevent ) == True )
1385     {
1386         /* Window exposed (only handled if stream playback is paused) */
1387         if( xevent.type == Expose )
1388         {
1389             if( ((XExposeEvent *)&xevent)->count == 0 )
1390             {
1391                 /* (if this is the last a collection of expose events...) */
1392
1393 #if defined(MODULE_NAME_IS_xvideo)
1394                 x11_window_t *p_win = p_vout->p_sys->p_win;
1395
1396                 /* Paint the colour key if needed */
1397                 if( p_vout->p_sys->b_paint_colourkey &&
1398                     xevent.xexpose.window == p_win->video_window )
1399                 {
1400                     XSetForeground( p_vout->p_sys->p_display,
1401                                     p_win->gc, p_vout->p_sys->i_colourkey );
1402                     XFillRectangle( p_vout->p_sys->p_display,
1403                                     p_win->video_window, p_win->gc, 0, 0,
1404                                     p_win->i_width, p_win->i_height );
1405                 }
1406 #endif
1407
1408 #if 0
1409                 if( p_vout->p_libvlc->p_input_bank->pp_input[0] != NULL )
1410                 {
1411                     if( PAUSE_S == p_vout->p_libvlc->p_input_bank->pp_input[0]
1412                                                    ->stream.control.i_status )
1413                     {
1414                         /* XVideoDisplay( p_vout )*/;
1415                     }
1416                 }
1417 #endif
1418             }
1419         }
1420     }
1421
1422     /* ClientMessage event - only WM_PROTOCOLS with WM_DELETE_WINDOW data
1423      * are handled - according to the man pages, the format is always 32
1424      * in this case */
1425     while( XCheckTypedEvent( p_vout->p_sys->p_display,
1426                              ClientMessage, &xevent ) )
1427     {
1428         if( (xevent.xclient.message_type == p_vout->p_sys->p_win->wm_protocols)
1429                && ((Atom)xevent.xclient.data.l[0]
1430                      == p_vout->p_sys->p_win->wm_delete_window ) )
1431         {
1432             /* the user wants to close the window */
1433             playlist_t * p_playlist = pl_Hold( p_vout );
1434             if( p_playlist != NULL )
1435             {
1436                 playlist_Stop( p_playlist );
1437                 pl_Release( p_vout );
1438             }
1439         }
1440     }
1441
1442     /*
1443      * Fullscreen Change
1444      */
1445     if ( p_vout->i_changes & VOUT_FULLSCREEN_CHANGE )
1446     {
1447         /* Update the object variable and trigger callback */
1448         var_SetBool( p_vout, "fullscreen", !p_vout->b_fullscreen );
1449
1450         ToggleFullScreen( p_vout );
1451         p_vout->i_changes &= ~VOUT_FULLSCREEN_CHANGE;
1452     }
1453
1454     /* autoscale toggle */
1455     if( p_vout->i_changes & VOUT_SCALE_CHANGE )
1456     {
1457         p_vout->i_changes &= ~VOUT_SCALE_CHANGE;
1458
1459         p_vout->b_autoscale = var_GetBool( p_vout, "autoscale" );
1460         p_vout->i_zoom = ZOOM_FP_FACTOR;
1461
1462         p_vout->i_changes |= VOUT_SIZE_CHANGE;
1463     }
1464
1465     /* scaling factor */
1466     if( p_vout->i_changes & VOUT_ZOOM_CHANGE )
1467     {
1468         p_vout->i_changes &= ~VOUT_ZOOM_CHANGE;
1469
1470         p_vout->b_autoscale = false;
1471         p_vout->i_zoom =
1472             (int)( ZOOM_FP_FACTOR * var_GetFloat( p_vout, "scale" ) );
1473
1474         p_vout->i_changes |= VOUT_SIZE_CHANGE;
1475     }
1476
1477     if( p_vout->i_changes & VOUT_CROP_CHANGE ||
1478         p_vout->i_changes & VOUT_ASPECT_CHANGE )
1479     {
1480         p_vout->i_changes &= ~VOUT_CROP_CHANGE;
1481         p_vout->i_changes &= ~VOUT_ASPECT_CHANGE;
1482
1483         p_vout->fmt_out.i_x_offset = p_vout->fmt_in.i_x_offset;
1484         p_vout->fmt_out.i_y_offset = p_vout->fmt_in.i_y_offset;
1485         p_vout->fmt_out.i_visible_width = p_vout->fmt_in.i_visible_width;
1486         p_vout->fmt_out.i_visible_height = p_vout->fmt_in.i_visible_height;
1487         p_vout->fmt_out.i_aspect = p_vout->fmt_in.i_aspect;
1488         p_vout->fmt_out.i_sar_num = p_vout->fmt_in.i_sar_num;
1489         p_vout->fmt_out.i_sar_den = p_vout->fmt_in.i_sar_den;
1490         p_vout->output.i_aspect = p_vout->fmt_in.i_aspect;
1491
1492         p_vout->i_changes |= VOUT_SIZE_CHANGE;
1493     }
1494
1495     /*
1496      * Size change
1497      *
1498      * (Needs to be placed after VOUT_FULLSREEN_CHANGE because we can activate
1499      *  the size flag inside the fullscreen routine)
1500      */
1501     if( p_vout->i_changes & VOUT_SIZE_CHANGE )
1502     {
1503         unsigned int i_width, i_height, i_x, i_y;
1504
1505 #ifdef MODULE_NAME_IS_x11
1506         /* We need to signal the vout thread about the size change because it
1507          * is doing the rescaling */
1508 #else
1509         p_vout->i_changes &= ~VOUT_SIZE_CHANGE;
1510 #endif
1511
1512         vout_PlacePicture( p_vout, p_vout->p_sys->p_win->i_width,
1513                            p_vout->p_sys->p_win->i_height,
1514                            &i_x, &i_y, &i_width, &i_height );
1515
1516         XMoveResizeWindow( p_vout->p_sys->p_display,
1517                            p_vout->p_sys->p_win->video_window,
1518                            i_x, i_y, i_width, i_height );
1519     }
1520
1521     /* cursor hiding depending on --vout-event option
1522      *      activated if:
1523      *            value = 1 (Fullsupport) (default value)
1524      *         or value = 2 (Fullscreen-Only) and condition met
1525      */
1526     bool b_vout_event = (   ( p_vout->p_sys->i_vout_event == 1 )
1527                          || ( p_vout->p_sys->i_vout_event == 2 && p_vout->b_fullscreen )
1528                         );
1529
1530     /* Autohide Cursour */
1531     if( mdate() - p_vout->p_sys->i_time_mouse_last_moved >
1532         p_vout->p_sys->i_mouse_hide_timeout )
1533     {
1534         /* Hide the mouse automatically */
1535         if( b_vout_event && p_vout->p_sys->b_mouse_pointer_visible )
1536         {
1537             ToggleCursor( p_vout );
1538         }
1539     }
1540
1541 #ifdef MODULE_NAME_IS_xvmc
1542     xvmc_context_reader_unlock( &p_vout->p_sys->xvmc_lock );
1543 #endif
1544
1545 #ifdef HAVE_OSSO
1546     if ( p_vout->p_sys->p_octx != NULL ) {
1547         if ( p_vout->p_sys->i_backlight_on_counter == i_backlight_on_interval ) {
1548             if ( osso_display_blanking_pause( p_vout->p_sys->p_octx ) != OSSO_OK ) {
1549                 msg_Err( p_vout, "Could not disable backlight blanking" );
1550         } else {
1551                 msg_Dbg( p_vout, "Backlight blanking disabled" );
1552             }
1553             p_vout->p_sys->i_backlight_on_counter = 0;
1554         } else {
1555             p_vout->p_sys->i_backlight_on_counter ++;
1556         }
1557     }
1558 #endif
1559     return 0;
1560 }
1561
1562 /*****************************************************************************
1563  * EndVideo: terminate X11 video thread output method
1564  *****************************************************************************
1565  * Destroy the X11 XImages created by Init. It is called at the end of
1566  * the thread, but also each time the window is resized.
1567  *****************************************************************************/
1568 static void EndVideo( vout_thread_t *p_vout )
1569 {
1570     int i_index;
1571
1572     /* Free the direct buffers we allocated */
1573     for( i_index = I_OUTPUTPICTURES ; i_index ; )
1574     {
1575         i_index--;
1576         FreePicture( p_vout, PP_OUTPUTPICTURE[ i_index ] );
1577     }
1578 }
1579
1580 /* following functions are local */
1581
1582 /*****************************************************************************
1583  * CreateWindow: open and set-up X11 main window
1584  *****************************************************************************/
1585 static int CreateWindow( vout_thread_t *p_vout, x11_window_t *p_win )
1586 {
1587     XSizeHints              xsize_hints;
1588     XSetWindowAttributes    xwindow_attributes;
1589     XGCValues               xgcvalues;
1590     XEvent                  xevent;
1591
1592     bool              b_map_notify = false;
1593     vlc_value_t             val;
1594
1595     /* Prepare window manager hints and properties */
1596     p_win->wm_protocols =
1597              XInternAtom( p_vout->p_sys->p_display, "WM_PROTOCOLS", True );
1598     p_win->wm_delete_window =
1599              XInternAtom( p_vout->p_sys->p_display, "WM_DELETE_WINDOW", True );
1600
1601     /* Never have a 0-pixel-wide window */
1602     xsize_hints.min_width = 2;
1603     xsize_hints.min_height = 1;
1604
1605     /* Prepare window attributes */
1606     xwindow_attributes.backing_store = Always;       /* save the hidden part */
1607     xwindow_attributes.background_pixel = BlackPixel(p_vout->p_sys->p_display,
1608                                                      p_vout->p_sys->i_screen);
1609     xwindow_attributes.event_mask = ExposureMask | StructureNotifyMask;
1610
1611     if( !p_vout->b_fullscreen )
1612     {
1613         p_win->owner_window = vout_RequestXWindow( p_vout, &p_win->i_x,
1614                               &p_win->i_y, &p_win->i_width, &p_win->i_height );
1615         if( !p_win->owner_window )
1616             return VLC_EGENERIC;
1617         xsize_hints.base_width  = xsize_hints.width = p_win->i_width;
1618         xsize_hints.base_height = xsize_hints.height = p_win->i_height;
1619         xsize_hints.flags       = PSize | PMinSize;
1620
1621         if( p_win->i_x >=0 || p_win->i_y >= 0 )
1622         {
1623             xsize_hints.x = p_win->i_x;
1624             xsize_hints.y = p_win->i_y;
1625             xsize_hints.flags |= PPosition;
1626         }
1627
1628         /* Select events we are interested in. */
1629         XSelectInput( p_vout->p_sys->p_display,
1630                       p_win->owner_window->handle.xid, StructureNotifyMask );
1631
1632         /* Get the parent window's geometry information */
1633         XGetGeometry( p_vout->p_sys->p_display,
1634                       p_win->owner_window->handle.xid,
1635                       &(Window){ 0 }, &(int){ 0 }, &(int){ 0 },
1636                       &p_win->i_width,
1637                       &p_win->i_height,
1638                       &(unsigned){ 0 }, &(unsigned){ 0 } );
1639
1640         /* From man XSelectInput: only one client at a time can select a
1641          * ButtonPress event, so we need to open a new window anyway. */
1642         p_win->base_window =
1643             XCreateWindow( p_vout->p_sys->p_display,
1644                            p_win->owner_window->handle.xid,
1645                            0, 0,
1646                            p_win->i_width, p_win->i_height,
1647                            0,
1648                            0, CopyFromParent, 0,
1649                            CWBackingStore | CWBackPixel | CWEventMask,
1650                            &xwindow_attributes );
1651     }
1652     else
1653     {
1654         /* Fullscreen window size and position */
1655         p_win->owner_window = NULL;
1656         p_win->i_x = p_win->i_y = 0;
1657         p_win->i_width =
1658             DisplayWidth( p_vout->p_sys->p_display, p_vout->p_sys->i_screen );
1659         p_win->i_height =
1660             DisplayHeight( p_vout->p_sys->p_display, p_vout->p_sys->i_screen );
1661
1662         /* Create the window and set hints - the window must receive
1663          * ConfigureNotify events, and until it is displayed, Expose and
1664          * MapNotify events. */
1665
1666         p_win->base_window =
1667             XCreateWindow( p_vout->p_sys->p_display,
1668                            DefaultRootWindow( p_vout->p_sys->p_display ),
1669                            p_win->i_x, p_win->i_y,
1670                            p_win->i_width, p_win->i_height,
1671                            0,
1672                            0, InputOutput, 0,
1673                            CWBackingStore | CWBackPixel | CWEventMask,
1674                            &xwindow_attributes );
1675
1676         var_Get( p_vout, "video-title", &val );
1677         if( !val.psz_string || !*val.psz_string )
1678         {
1679             XStoreName( p_vout->p_sys->p_display, p_win->base_window,
1680 #ifdef MODULE_NAME_IS_x11
1681                         VOUT_TITLE " (X11 output)"
1682 #elif defined(MODULE_NAME_IS_glx)
1683                         VOUT_TITLE " (GLX output)"
1684 #else
1685                         VOUT_TITLE " (XVideo output)"
1686 #endif
1687               );
1688         }
1689         else
1690         {
1691             XStoreName( p_vout->p_sys->p_display,
1692                         p_win->base_window, val.psz_string );
1693         }
1694         free( val.psz_string );
1695     }
1696
1697     if( (p_win->wm_protocols == None)        /* use WM_DELETE_WINDOW */
1698         || (p_win->wm_delete_window == None)
1699         || !XSetWMProtocols( p_vout->p_sys->p_display, p_win->base_window,
1700                              &p_win->wm_delete_window, 1 ) )
1701     {
1702         /* WM_DELETE_WINDOW is not supported by window manager */
1703         msg_Warn( p_vout, "missing or bad window manager" );
1704     }
1705
1706     /* Creation of a graphic context that doesn't generate a GraphicsExpose
1707      * event when using functions like XCopyArea */
1708     xgcvalues.graphics_exposures = False;
1709     p_win->gc = XCreateGC( p_vout->p_sys->p_display,
1710                            p_win->base_window,
1711                            GCGraphicsExposures, &xgcvalues );
1712
1713     /* Wait till the window is mapped */
1714     XMapWindow( p_vout->p_sys->p_display, p_win->base_window );
1715     do
1716     {
1717         XWindowEvent( p_vout->p_sys->p_display, p_win->base_window,
1718                       SubstructureNotifyMask | StructureNotifyMask, &xevent);
1719         if( (xevent.type == MapNotify)
1720                  && (xevent.xmap.window == p_win->base_window) )
1721         {
1722             b_map_notify = true;
1723         }
1724         else if( (xevent.type == ConfigureNotify)
1725                  && (xevent.xconfigure.window == p_win->base_window) )
1726         {
1727             p_win->i_width = xevent.xconfigure.width;
1728             p_win->i_height = xevent.xconfigure.height;
1729         }
1730     } while( !b_map_notify );
1731
1732     /* key and mouse events handling depending on --vout-event option
1733      *      activated if:
1734      *            value = 1 (Fullsupport) (default value)
1735      *         or value = 2 (Fullscreen-Only) and condition met
1736      */
1737     bool b_vout_event = (   ( p_vout->p_sys->i_vout_event == 1 )
1738                          || ( p_vout->p_sys->i_vout_event == 2 && p_vout->b_fullscreen )
1739                         );
1740     if ( b_vout_event )
1741         XSelectInput( p_vout->p_sys->p_display, p_win->base_window,
1742                       StructureNotifyMask | KeyPressMask |
1743                       ButtonPressMask | ButtonReleaseMask |
1744                       PointerMotionMask );
1745
1746 #ifdef MODULE_NAME_IS_x11
1747     if( XDefaultDepth(p_vout->p_sys->p_display, p_vout->p_sys->i_screen) == 8 )
1748     {
1749         /* Allocate a new palette */
1750         p_vout->p_sys->colormap =
1751             XCreateColormap( p_vout->p_sys->p_display,
1752                              DefaultRootWindow( p_vout->p_sys->p_display ),
1753                              DefaultVisual( p_vout->p_sys->p_display,
1754                                             p_vout->p_sys->i_screen ),
1755                              AllocAll );
1756
1757         xwindow_attributes.colormap = p_vout->p_sys->colormap;
1758         XChangeWindowAttributes( p_vout->p_sys->p_display, p_win->base_window,
1759                                  CWColormap, &xwindow_attributes );
1760     }
1761 #endif
1762
1763     /* Create video output sub-window. */
1764     p_win->video_window =  XCreateSimpleWindow(
1765                                       p_vout->p_sys->p_display,
1766                                       p_win->base_window, 0, 0,
1767                                       p_win->i_width, p_win->i_height,
1768                                       0,
1769                                       BlackPixel( p_vout->p_sys->p_display,
1770                                                   p_vout->p_sys->i_screen ),
1771                                       WhitePixel( p_vout->p_sys->p_display,
1772                                                   p_vout->p_sys->i_screen ) );
1773
1774     XSetWindowBackground( p_vout->p_sys->p_display, p_win->video_window,
1775                           BlackPixel( p_vout->p_sys->p_display,
1776                                       p_vout->p_sys->i_screen ) );
1777
1778     XMapWindow( p_vout->p_sys->p_display, p_win->video_window );
1779     XSelectInput( p_vout->p_sys->p_display, p_win->video_window,
1780                   ExposureMask );
1781
1782     /* make sure the video window will be centered in the next ManageVideo() */
1783     p_vout->i_changes |= VOUT_SIZE_CHANGE;
1784
1785     /* If the cursor was formerly blank than blank it again */
1786     if( !p_vout->p_sys->b_mouse_pointer_visible )
1787     {
1788         ToggleCursor( p_vout );
1789         ToggleCursor( p_vout );
1790     }
1791
1792     /* Do NOT use XFlush here ! */
1793     XSync( p_vout->p_sys->p_display, False );
1794
1795     /* At this stage, the window is open, displayed, and ready to
1796      * receive data */
1797     p_vout->p_sys->p_win = p_win;
1798
1799     return VLC_SUCCESS;
1800 }
1801
1802 /*****************************************************************************
1803  * DestroyWindow: destroy the window
1804  *****************************************************************************
1805  *
1806  *****************************************************************************/
1807 static void DestroyWindow( vout_thread_t *p_vout, x11_window_t *p_win )
1808 {
1809     /* Do NOT use XFlush here ! */
1810     XSync( p_vout->p_sys->p_display, False );
1811
1812     if( p_win->video_window != None )
1813         XDestroyWindow( p_vout->p_sys->p_display, p_win->video_window );
1814
1815     XFreeGC( p_vout->p_sys->p_display, p_win->gc );
1816
1817     XUnmapWindow( p_vout->p_sys->p_display, p_win->base_window );
1818     XDestroyWindow( p_vout->p_sys->p_display, p_win->base_window );
1819
1820     /* make sure base window is destroyed before proceeding further */
1821     bool b_destroy_notify = false;
1822     do
1823     {
1824         XEvent      xevent;
1825         XWindowEvent( p_vout->p_sys->p_display, p_win->base_window,
1826                       SubstructureNotifyMask | StructureNotifyMask, &xevent);
1827         if( (xevent.type == DestroyNotify)
1828                  && (xevent.xmap.window == p_win->base_window) )
1829         {
1830             b_destroy_notify = true;
1831         }
1832     } while( !b_destroy_notify );
1833
1834     vout_ReleaseWindow( p_win->owner_window );
1835 }
1836
1837 /*****************************************************************************
1838  * NewPicture: allocate a picture
1839  *****************************************************************************
1840  * Returns 0 on success, -1 otherwise
1841  *****************************************************************************/
1842 static int NewPicture( vout_thread_t *p_vout, picture_t *p_pic )
1843 {
1844 #ifndef MODULE_NAME_IS_glx
1845
1846 #if defined(MODULE_NAME_IS_xvideo) || defined(MODULE_NAME_IS_xvmc)
1847     int i_plane;
1848 #endif
1849
1850     /* We know the chroma, allocate a buffer which will be used
1851      * directly by the decoder */
1852     p_pic->p_sys = malloc( sizeof( picture_sys_t ) );
1853
1854     if( p_pic->p_sys == NULL )
1855     {
1856         return -1;
1857     }
1858
1859 #ifdef MODULE_NAME_IS_xvmc
1860     p_pic->p_sys->p_vout = p_vout;
1861     p_pic->p_sys->xvmc_surf = NULL;
1862     p_pic->p_sys->xxmc_data.decoded = 0;
1863     p_pic->p_sys->xxmc_data.proc_xxmc_update_frame = xxmc_do_update_frame;
1864     //    p_pic->p_accel_data = &p_pic->p_sys->xxmc_data;
1865     p_pic->p_sys->nb_display = 0;
1866 #endif
1867
1868     /* Fill in picture_t fields */
1869     if( picture_Setup( p_pic, p_vout->output.i_chroma,
1870                        p_vout->output.i_width, p_vout->output.i_height,
1871                        p_vout->output.i_aspect ) )
1872         return -1;
1873
1874 #ifdef HAVE_SYS_SHM_H
1875     if( p_vout->p_sys->i_shm_opcode )
1876     {
1877         /* Create image using XShm extension */
1878         p_pic->p_sys->p_image =
1879             CreateShmImage( p_vout, p_vout->p_sys->p_display,
1880 #if defined(MODULE_NAME_IS_xvideo) || defined(MODULE_NAME_IS_xvmc)
1881                             p_vout->p_sys->i_xvport,
1882                             VLC2X11_FOURCC(p_vout->output.i_chroma),
1883 #else
1884                             p_vout->p_sys->p_visual,
1885                             p_vout->p_sys->i_screen_depth,
1886 #endif
1887                             &p_pic->p_sys->shminfo,
1888                             p_vout->output.i_width, p_vout->output.i_height );
1889     }
1890
1891     if( !p_vout->p_sys->i_shm_opcode || !p_pic->p_sys->p_image )
1892 #endif /* HAVE_SYS_SHM_H */
1893     {
1894         /* Create image without XShm extension */
1895         p_pic->p_sys->p_image =
1896             CreateImage( p_vout, p_vout->p_sys->p_display,
1897 #if defined(MODULE_NAME_IS_xvideo) || defined(MODULE_NAME_IS_xvmc)
1898                          p_vout->p_sys->i_xvport,
1899                          VLC2X11_FOURCC(p_vout->output.i_chroma),
1900                          p_pic->format.i_bits_per_pixel,
1901 #else
1902                          p_vout->p_sys->p_visual,
1903                          p_vout->p_sys->i_screen_depth,
1904                          p_vout->p_sys->i_bytes_per_pixel,
1905 #endif
1906                          p_vout->output.i_width, p_vout->output.i_height );
1907
1908 #ifdef HAVE_SYS_SHM_H
1909         if( p_pic->p_sys->p_image && p_vout->p_sys->i_shm_opcode )
1910         {
1911             msg_Warn( p_vout, "couldn't create SHM image, disabling SHM" );
1912             p_vout->p_sys->i_shm_opcode = 0;
1913         }
1914 #endif /* HAVE_SYS_SHM_H */
1915     }
1916
1917     if( p_pic->p_sys->p_image == NULL )
1918     {
1919         free( p_pic->p_sys );
1920         return -1;
1921     }
1922
1923     switch( p_vout->output.i_chroma )
1924     {
1925 #if defined(MODULE_NAME_IS_xvideo) || defined(MODULE_NAME_IS_xvmc)
1926         case VLC_CODEC_I420:
1927         case VLC_CODEC_YV12:
1928         case VLC_CODEC_Y211:
1929         case VLC_CODEC_YUYV:
1930         case VLC_CODEC_UYVY:
1931         case VLC_CODEC_RGB15:
1932         case VLC_CODEC_RGB16:
1933         case VLC_CODEC_RGB24: /* Fixme: pixel pitch == 4 ? */
1934         case VLC_CODEC_RGB32:
1935
1936             for( i_plane = 0; i_plane < p_pic->p_sys->p_image->num_planes;
1937                  i_plane++ )
1938             {
1939                 p_pic->p[i_plane].p_pixels = (uint8_t*)p_pic->p_sys->p_image->data
1940                     + p_pic->p_sys->p_image->offsets[i_plane];
1941                 p_pic->p[i_plane].i_pitch =
1942                     p_pic->p_sys->p_image->pitches[i_plane];
1943             }
1944             if( p_vout->output.i_chroma == VLC_CODEC_YV12 )
1945             {
1946                 /* U and V inverted compared to I420
1947                  * Fixme: this should be handled by the vout core */
1948                 p_pic->U_PIXELS = (uint8_t*)p_pic->p_sys->p_image->data
1949                     + p_pic->p_sys->p_image->offsets[2];
1950                 p_pic->V_PIXELS = (uint8_t*)p_pic->p_sys->p_image->data
1951                     + p_pic->p_sys->p_image->offsets[1];
1952             }
1953
1954             break;
1955
1956 #else
1957         case VLC_CODEC_RGB8:
1958         case VLC_CODEC_RGB16:
1959         case VLC_CODEC_RGB15:
1960         case VLC_CODEC_RGB24:
1961         case VLC_CODEC_RGB32:
1962
1963             p_pic->p->i_lines = p_pic->p_sys->p_image->height;
1964             p_pic->p->i_visible_lines = p_pic->p_sys->p_image->height;
1965             p_pic->p->p_pixels = (uint8_t*)p_pic->p_sys->p_image->data
1966                                   + p_pic->p_sys->p_image->xoffset;
1967             p_pic->p->i_pitch = p_pic->p_sys->p_image->bytes_per_line;
1968
1969             /* p_pic->p->i_pixel_pitch = 4 for RV24 but this should be set
1970              * properly by picture_Setup() */
1971             p_pic->p->i_visible_pitch = p_pic->p->i_pixel_pitch
1972                                          * p_pic->p_sys->p_image->width;
1973             break;
1974 #endif
1975
1976         default:
1977             /* Unknown chroma, tell the guy to get lost */
1978             IMAGE_FREE( p_pic->p_sys->p_image );
1979             free( p_pic->p_sys );
1980             msg_Err( p_vout, "never heard of chroma 0x%.8x (%4.4s)",
1981                      p_vout->output.i_chroma, (char*)&p_vout->output.i_chroma );
1982             p_pic->i_planes = 0;
1983             return -1;
1984     }
1985 #else
1986
1987     VLC_UNUSED(p_vout); VLC_UNUSED(p_pic);
1988
1989 #endif /* !MODULE_NAME_IS_glx */
1990
1991     return 0;
1992 }
1993
1994 /*****************************************************************************
1995  * FreePicture: destroy a picture allocated with NewPicture
1996  *****************************************************************************
1997  * Destroy XImage AND associated data. If using Shm, detach shared memory
1998  * segment from server and process, then free it. The XDestroyImage manpage
1999  * says that both the image structure _and_ the data pointed to by the
2000  * image structure are freed, so no need to free p_image->data.
2001  *****************************************************************************/
2002 static void FreePicture( vout_thread_t *p_vout, picture_t *p_pic )
2003 {
2004     /* The order of operations is correct */
2005 #ifdef HAVE_SYS_SHM_H
2006     if( p_vout->p_sys->i_shm_opcode )
2007     {
2008         XShmDetach( p_vout->p_sys->p_display, &p_pic->p_sys->shminfo );
2009         IMAGE_FREE( p_pic->p_sys->p_image );
2010
2011         shmctl( p_pic->p_sys->shminfo.shmid, IPC_RMID, 0 );
2012         if( shmdt( p_pic->p_sys->shminfo.shmaddr ) )
2013         {
2014             msg_Err( p_vout, "cannot detach shared memory (%m)" );
2015         }
2016     }
2017     else
2018 #endif
2019     {
2020         IMAGE_FREE( p_pic->p_sys->p_image );
2021     }
2022
2023 #ifdef MODULE_NAME_IS_xvmc
2024     if( p_pic->p_sys->xvmc_surf != NULL )
2025     {
2026         xxmc_xvmc_free_surface(p_vout , p_pic->p_sys->xvmc_surf);
2027         p_pic->p_sys->xvmc_surf = NULL;
2028     }
2029 #endif
2030
2031     /* Do NOT use XFlush here ! */
2032     XSync( p_vout->p_sys->p_display, False );
2033
2034     free( p_pic->p_sys );
2035 }
2036
2037 /*****************************************************************************
2038  * ToggleFullScreen: Enable or disable full screen mode
2039  *****************************************************************************
2040  * This function will switch between fullscreen and window mode.
2041  *****************************************************************************/
2042 static void ToggleFullScreen ( vout_thread_t *p_vout )
2043 {
2044     Atom prop;
2045     mwmhints_t mwmhints;
2046     XSetWindowAttributes attributes;
2047
2048 #ifdef HAVE_XINERAMA
2049     int i_d1, i_d2;
2050 #endif
2051
2052     p_vout->b_fullscreen = !p_vout->b_fullscreen;
2053
2054     if( p_vout->b_fullscreen )
2055     {
2056         msg_Dbg( p_vout, "entering fullscreen mode" );
2057
2058         /* Getting current window position */
2059         Window root_win;
2060         Window* child_windows;
2061         unsigned int num_child_windows;
2062         Window parent_win;
2063         Window child_win;
2064         XWindowAttributes win_attr;
2065         int screen_x,screen_y;
2066
2067         XGetWindowAttributes(
2068                 p_vout->p_sys->p_display,
2069                 p_vout->p_sys->p_win->video_window,
2070                 &win_attr);
2071
2072         XQueryTree(
2073                 p_vout->p_sys->p_display,
2074                 p_vout->p_sys->p_win->video_window,
2075                 &root_win,
2076                 &parent_win,
2077                 &child_windows,
2078                 &num_child_windows);
2079         XFree(child_windows);
2080
2081         XTranslateCoordinates(
2082                 p_vout->p_sys->p_display,
2083                 parent_win, win_attr.root,
2084                 win_attr.x,win_attr.y,
2085                 &screen_x,&screen_y,
2086                 &child_win);
2087
2088         msg_Dbg( p_vout, "X %d/%d Y %d/%d", win_attr.x,screen_x,win_attr.y,screen_y);
2089         /* screen_x and screen_y are current position */
2090
2091         p_vout->p_sys->b_altfullscreen =
2092             config_GetInt( p_vout, MODULE_STRING "-altfullscreen" );
2093
2094         XUnmapWindow( p_vout->p_sys->p_display,
2095                       p_vout->p_sys->p_win->base_window );
2096
2097         p_vout->p_sys->p_win = &p_vout->p_sys->fullscreen_window;
2098
2099         CreateWindow( p_vout, p_vout->p_sys->p_win );
2100         XDestroyWindow( p_vout->p_sys->p_display,
2101                         p_vout->p_sys->fullscreen_window.video_window );
2102         XReparentWindow( p_vout->p_sys->p_display,
2103                          p_vout->p_sys->original_window.video_window,
2104                          p_vout->p_sys->fullscreen_window.base_window, 0, 0 );
2105         p_vout->p_sys->fullscreen_window.video_window =
2106             p_vout->p_sys->original_window.video_window;
2107
2108         /* To my knowledge there are two ways to create a borderless window.
2109          * There's the generic way which is to tell x to bypass the window
2110          * manager, but this creates problems with the focus of other
2111          * applications.
2112          * The other way is to use the motif property "_MOTIF_WM_HINTS" which
2113          * luckily seems to be supported by most window managers. */
2114         if( !p_vout->p_sys->b_altfullscreen )
2115         {
2116             mwmhints.flags = MWM_HINTS_DECORATIONS;
2117             mwmhints.decorations = False;
2118
2119             prop = XInternAtom( p_vout->p_sys->p_display, "_MOTIF_WM_HINTS",
2120                                 False );
2121             XChangeProperty( p_vout->p_sys->p_display,
2122                              p_vout->p_sys->p_win->base_window,
2123                              prop, prop, 32, PropModeReplace,
2124                              (unsigned char *)&mwmhints,
2125                              PROP_MWM_HINTS_ELEMENTS );
2126         }
2127         else
2128         {
2129             /* brute force way to remove decorations */
2130             attributes.override_redirect = True;
2131             XChangeWindowAttributes( p_vout->p_sys->p_display,
2132                                      p_vout->p_sys->p_win->base_window,
2133                                      CWOverrideRedirect,
2134                                      &attributes);
2135
2136             /* Make sure the change is effective */
2137             XReparentWindow( p_vout->p_sys->p_display,
2138                              p_vout->p_sys->p_win->base_window,
2139                              DefaultRootWindow( p_vout->p_sys->p_display ),
2140                              0, 0 );
2141         }
2142
2143         if( p_vout->p_sys->b_net_wm_state_fullscreen )
2144         {
2145             XClientMessageEvent event;
2146
2147             memset( &event, 0, sizeof( XClientMessageEvent ) );
2148
2149             event.type = ClientMessage;
2150             event.message_type = p_vout->p_sys->net_wm_state;
2151             event.display = p_vout->p_sys->p_display;
2152             event.window = p_vout->p_sys->p_win->base_window;
2153             event.format = 32;
2154             event.data.l[ 0 ] = 1; /* set property */
2155             event.data.l[ 1 ] = p_vout->p_sys->net_wm_state_fullscreen;
2156
2157             XSendEvent( p_vout->p_sys->p_display,
2158                         DefaultRootWindow( p_vout->p_sys->p_display ),
2159                         False, SubstructureRedirectMask,
2160                         (XEvent*)&event );
2161         }
2162
2163 /* "bad fullscreen" - set this to 0. doing fullscreen this way is problematic
2164  * for many reasons and basically fights with the window manager as the wm
2165  * reparents AND vlc goes and reparents - multiple times. don't do it. it just
2166  * makes it more inefficient and less "nice" to the x11 citizenry. this turns
2167  * it off */
2168 #define BADFS 0
2169 /* explicitly asking for focus when you fullscreened is a little silly. the
2170  * window manager SHOULD be handling this itself based on its own focus
2171  * policies. if the user is "using" a given xinerama/xrandr screen or x11
2172  * multihead screen AND vlc wants to fullscreen the wm should also focus it
2173  * as its the only thing on the screen. if vlc fullscreens and its on
2174  * "another monitor" to the one the user is using - this may "steal" the focus
2175  * as really the wm should be deciding if, on fullscreening of a window
2176  * the focus should go there or not, so let the wm decided */
2177 #define APPFOCUS 0
2178         /* Make sure the change is effective */
2179         XReparentWindow( p_vout->p_sys->p_display,
2180                          p_vout->p_sys->p_win->base_window,
2181                          DefaultRootWindow( p_vout->p_sys->p_display ),
2182                          0, 0 );
2183
2184 #ifdef HAVE_XINERAMA
2185         if( XineramaQueryExtension( p_vout->p_sys->p_display, &i_d1, &i_d2 ) &&
2186             XineramaIsActive( p_vout->p_sys->p_display ) )
2187         {
2188             XineramaScreenInfo *screens;   /* infos for xinerama */
2189             int i_num_screens;
2190
2191             msg_Dbg( p_vout, "using XFree Xinerama extension");
2192
2193 #define SCREEN p_vout->p_sys->p_win->i_screen
2194
2195             /* Get Information about Xinerama (num of screens) */
2196             screens = XineramaQueryScreens( p_vout->p_sys->p_display,
2197                                             &i_num_screens );
2198
2199             SCREEN = config_GetInt( p_vout,
2200                                         MODULE_STRING "-xineramascreen" );
2201
2202             /* just check that user has entered a good value,
2203              * otherwise use that screen where window is */
2204             if( SCREEN >= i_num_screens || SCREEN < 0 )
2205             {
2206                 msg_Dbg( p_vout, "requested screen number invalid (%d/%d)", SCREEN, i_num_screens );
2207 #define left screens[SCREEN].x_org
2208 #define right left + screens[SCREEN].width
2209 #define top screens[SCREEN].y_org
2210 #define bottom top + screens[SCREEN].height
2211
2212                  for( SCREEN = i_num_screens-1; SCREEN > 0; SCREEN--)
2213                  {
2214                      if( left <= screen_x && screen_x <= right &&
2215                              top <= screen_y && screen_y <= bottom )
2216                          break;
2217                  }
2218 #undef bottom
2219 #undef top
2220 #undef right
2221 #undef left
2222             }
2223
2224             /* Get the X/Y upper left corner coordinate of the above screen */
2225             p_vout->p_sys->p_win->i_x = screens[SCREEN].x_org;
2226             p_vout->p_sys->p_win->i_y = screens[SCREEN].y_org;
2227
2228             /* Set the Height/width to the screen resolution */
2229             p_vout->p_sys->p_win->i_width = screens[SCREEN].width;
2230             p_vout->p_sys->p_win->i_height = screens[SCREEN].height;
2231
2232             XFree(screens);
2233
2234 #undef SCREEN
2235
2236         }
2237         else
2238 #endif
2239         {
2240             /* The window wasn't necessarily created at the requested size */
2241             p_vout->p_sys->p_win->i_x = p_vout->p_sys->p_win->i_y = 0;
2242
2243 #ifdef HAVE_XF86VIDMODE
2244             XF86VidModeModeLine mode;
2245             int i_dummy;
2246
2247             if( XF86VidModeGetModeLine( p_vout->p_sys->p_display,
2248                                         p_vout->p_sys->i_screen, &i_dummy,
2249                                         &mode ) )
2250             {
2251                 p_vout->p_sys->p_win->i_width = mode.hdisplay;
2252                 p_vout->p_sys->p_win->i_height = mode.vdisplay;
2253
2254                 /* move cursor to the middle of the window to prevent
2255                  * unwanted display move if the display is smaller than the
2256                  * full desktop */
2257                 XWarpPointer( p_vout->p_sys->p_display, None,
2258                               p_vout->p_sys->p_win->base_window, 0, 0, 0, 0,
2259                               mode.hdisplay / 2 , mode.vdisplay / 2 );
2260                 /* force desktop view to upper left corner */
2261                 XF86VidModeSetViewPort( p_vout->p_sys->p_display,
2262                                         p_vout->p_sys->i_screen, 0, 0 );
2263             }
2264             else
2265 #endif
2266             {
2267                 p_vout->p_sys->p_win->i_width =
2268                     DisplayWidth( p_vout->p_sys->p_display,
2269                                 p_vout->p_sys->i_screen );
2270                 p_vout->p_sys->p_win->i_height =
2271                     DisplayHeight( p_vout->p_sys->p_display,
2272                                 p_vout->p_sys->i_screen );
2273             }
2274
2275         }
2276
2277         XMoveResizeWindow( p_vout->p_sys->p_display,
2278                            p_vout->p_sys->p_win->base_window,
2279                            p_vout->p_sys->p_win->i_x,
2280                            p_vout->p_sys->p_win->i_y,
2281                            p_vout->p_sys->p_win->i_width,
2282                            p_vout->p_sys->p_win->i_height );
2283
2284 #ifdef HAVE_XSP
2285         EnablePixelDoubling( p_vout );
2286 #endif
2287
2288 #if APPFOCUS // RASTER: let the wm do focus policy
2289         /* Activate the window (give it the focus) */
2290         XClientMessageEvent event;
2291
2292         memset( &event, 0, sizeof( XClientMessageEvent ) );
2293
2294         event.type = ClientMessage;
2295         event.message_type =
2296            XInternAtom( p_vout->p_sys->p_display, "_NET_ACTIVE_WINDOW", False );
2297         event.display = p_vout->p_sys->p_display;
2298         event.window = p_vout->p_sys->p_win->base_window;
2299         event.format = 32;
2300         event.data.l[ 0 ] = 1; /* source indication (1 = from an application */
2301         event.data.l[ 1 ] = 0; /* timestamp */
2302         event.data.l[ 2 ] = 0; /* requestor's currently active window */
2303         /* XXX: window manager would be more likely to obey if we already have
2304          * an active window (and give it to the event), such as an interface */
2305
2306         XSendEvent( p_vout->p_sys->p_display,
2307                     DefaultRootWindow( p_vout->p_sys->p_display ),
2308                     False, SubstructureRedirectMask,
2309                     (XEvent*)&event );
2310 #endif
2311     }
2312     else
2313     {
2314         msg_Dbg( p_vout, "leaving fullscreen mode" );
2315
2316 #ifdef HAVE_XSP
2317         DisablePixelDoubling( p_vout );
2318 #endif
2319
2320         XReparentWindow( p_vout->p_sys->p_display,
2321                          p_vout->p_sys->original_window.video_window,
2322                          p_vout->p_sys->original_window.base_window, 0, 0 );
2323
2324         p_vout->p_sys->fullscreen_window.video_window = None;
2325         DestroyWindow( p_vout, &p_vout->p_sys->fullscreen_window );
2326         p_vout->p_sys->p_win = &p_vout->p_sys->original_window;
2327
2328         XMapWindow( p_vout->p_sys->p_display,
2329                     p_vout->p_sys->p_win->base_window );
2330     }
2331
2332     /* Unfortunately, using XSync() here is not enough to ensure the
2333      * window has already been mapped because the XMapWindow() request
2334      * has not necessarily been sent directly to our window (remember,
2335      * the call is first redirected to the window manager) */
2336
2337 #if BADFS // RASTER: this is silly... if we have already mapped before
2338     XEvent xevent;
2339     do
2340     {
2341         XWindowEvent( p_vout->p_sys->p_display,
2342                       p_vout->p_sys->p_win->base_window,
2343                       StructureNotifyMask, &xevent );
2344     } while( xevent.type != MapNotify );
2345 #else
2346    XSync(p_vout->p_sys->p_display, False);
2347 #endif
2348
2349     /* Be careful, this can generate a BadMatch error if the window is not
2350      * already mapped by the server (see above) */
2351     XSetInputFocus(p_vout->p_sys->p_display,
2352                    p_vout->p_sys->p_win->base_window,
2353                    RevertToParent,
2354                    CurrentTime);
2355
2356     /* signal that the size needs to be updated */
2357     p_vout->i_changes |= VOUT_SIZE_CHANGE;
2358 }
2359
2360 /*****************************************************************************
2361  * EnableXScreenSaver: enable screen saver
2362  *****************************************************************************
2363  * This function enables the screen saver on a display after it has been
2364  * disabled by XDisableScreenSaver.
2365  * FIXME: what happens if multiple vlc sessions are running at the same
2366  *        time ???
2367  *****************************************************************************/
2368 static void EnableXScreenSaver( vout_thread_t *p_vout )
2369 {
2370 #ifdef DPMSINFO_IN_DPMS_H
2371     int dummy;
2372 #endif
2373
2374     if( p_vout->p_sys->i_ss_timeout )
2375     {
2376         XSetScreenSaver( p_vout->p_sys->p_display, p_vout->p_sys->i_ss_timeout,
2377                          p_vout->p_sys->i_ss_interval,
2378                          p_vout->p_sys->i_ss_blanking,
2379                          p_vout->p_sys->i_ss_exposure );
2380     }
2381
2382     /* Restore DPMS settings */
2383 #ifdef DPMSINFO_IN_DPMS_H
2384     if( DPMSQueryExtension( p_vout->p_sys->p_display, &dummy, &dummy ) )
2385     {
2386         if( p_vout->p_sys->b_ss_dpms )
2387         {
2388             DPMSEnable( p_vout->p_sys->p_display );
2389         }
2390     }
2391 #endif
2392 }
2393
2394 /*****************************************************************************
2395  * DisableXScreenSaver: disable screen saver
2396  *****************************************************************************
2397  * See XEnableXScreenSaver
2398  *****************************************************************************/
2399 static void DisableXScreenSaver( vout_thread_t *p_vout )
2400 {
2401 #ifdef DPMSINFO_IN_DPMS_H
2402     int dummy;
2403 #endif
2404
2405     /* Save screen saver information */
2406     XGetScreenSaver( p_vout->p_sys->p_display, &p_vout->p_sys->i_ss_timeout,
2407                      &p_vout->p_sys->i_ss_interval,
2408                      &p_vout->p_sys->i_ss_blanking,
2409                      &p_vout->p_sys->i_ss_exposure );
2410
2411     /* Disable screen saver */
2412     if( p_vout->p_sys->i_ss_timeout )
2413     {
2414         XSetScreenSaver( p_vout->p_sys->p_display, 0,
2415                          p_vout->p_sys->i_ss_interval,
2416                          p_vout->p_sys->i_ss_blanking,
2417                          p_vout->p_sys->i_ss_exposure );
2418     }
2419
2420     /* Disable DPMS */
2421 #ifdef DPMSINFO_IN_DPMS_H
2422     if( DPMSQueryExtension( p_vout->p_sys->p_display, &dummy, &dummy ) )
2423     {
2424         CARD16 unused;
2425         /* Save DPMS current state */
2426         DPMSInfo( p_vout->p_sys->p_display, &unused,
2427                   &p_vout->p_sys->b_ss_dpms );
2428         DPMSDisable( p_vout->p_sys->p_display );
2429    }
2430 #endif
2431 }
2432
2433 /*****************************************************************************
2434  * CreateCursor: create a blank mouse pointer
2435  *****************************************************************************/
2436 static void CreateCursor( vout_thread_t *p_vout )
2437 {
2438     XColor cursor_color;
2439
2440     p_vout->p_sys->cursor_pixmap =
2441         XCreatePixmap( p_vout->p_sys->p_display,
2442                        DefaultRootWindow( p_vout->p_sys->p_display ),
2443                        1, 1, 1 );
2444
2445     XParseColor( p_vout->p_sys->p_display,
2446                  XCreateColormap( p_vout->p_sys->p_display,
2447                                   DefaultRootWindow(
2448                                                     p_vout->p_sys->p_display ),
2449                                   DefaultVisual(
2450                                                 p_vout->p_sys->p_display,
2451                                                 p_vout->p_sys->i_screen ),
2452                                   AllocNone ),
2453                  "black", &cursor_color );
2454
2455     p_vout->p_sys->blank_cursor =
2456         XCreatePixmapCursor( p_vout->p_sys->p_display,
2457                              p_vout->p_sys->cursor_pixmap,
2458                              p_vout->p_sys->cursor_pixmap,
2459                              &cursor_color, &cursor_color, 1, 1 );
2460 }
2461
2462 /*****************************************************************************
2463  * DestroyCursor: destroy the blank mouse pointer
2464  *****************************************************************************/
2465 static void DestroyCursor( vout_thread_t *p_vout )
2466 {
2467     XFreePixmap( p_vout->p_sys->p_display, p_vout->p_sys->cursor_pixmap );
2468 }
2469
2470 /*****************************************************************************
2471  * ToggleCursor: hide or show the mouse pointer
2472  *****************************************************************************
2473  * This function hides the X pointer if it is visible by setting the pointer
2474  * sprite to a blank one. To show it again, we disable the sprite.
2475  *****************************************************************************/
2476 static void ToggleCursor( vout_thread_t *p_vout )
2477 {
2478     if( p_vout->p_sys->b_mouse_pointer_visible )
2479     {
2480         XDefineCursor( p_vout->p_sys->p_display,
2481                        p_vout->p_sys->p_win->base_window,
2482                        p_vout->p_sys->blank_cursor );
2483         p_vout->p_sys->b_mouse_pointer_visible = 0;
2484     }
2485     else
2486     {
2487         XUndefineCursor( p_vout->p_sys->p_display,
2488                          p_vout->p_sys->p_win->base_window );
2489         p_vout->p_sys->b_mouse_pointer_visible = 1;
2490     }
2491 }
2492
2493 #if defined(MODULE_NAME_IS_xvideo) || defined(MODULE_NAME_IS_xvmc)
2494 /*****************************************************************************
2495  * XVideoGetPort: get YUV12 port
2496  *****************************************************************************/
2497 static int XVideoGetPort( vout_thread_t *p_vout,
2498                           vlc_fourcc_t i_chroma, picture_heap_t *p_heap )
2499 {
2500     XvAdaptorInfo *p_adaptor;
2501     unsigned int i;
2502     unsigned int i_adaptor, i_num_adaptors;
2503     int i_requested_adaptor;
2504     int i_selected_port;
2505
2506     switch( XvQueryExtension( p_vout->p_sys->p_display, &i, &i, &i, &i, &i ) )
2507     {
2508         case Success:
2509             break;
2510
2511         case XvBadExtension:
2512             msg_Warn( p_vout, "XvBadExtension" );
2513             return -1;
2514
2515         case XvBadAlloc:
2516             msg_Warn( p_vout, "XvBadAlloc" );
2517             return -1;
2518
2519         default:
2520             msg_Warn( p_vout, "XvQueryExtension failed" );
2521             return -1;
2522     }
2523
2524     switch( XvQueryAdaptors( p_vout->p_sys->p_display,
2525                              DefaultRootWindow( p_vout->p_sys->p_display ),
2526                              &i_num_adaptors, &p_adaptor ) )
2527     {
2528         case Success:
2529             break;
2530
2531         case XvBadExtension:
2532             msg_Warn( p_vout, "XvBadExtension for XvQueryAdaptors" );
2533             return -1;
2534
2535         case XvBadAlloc:
2536             msg_Warn( p_vout, "XvBadAlloc for XvQueryAdaptors" );
2537             return -1;
2538
2539         default:
2540             msg_Warn( p_vout, "XvQueryAdaptors failed" );
2541             return -1;
2542     }
2543
2544     i_selected_port = -1;
2545 #ifdef MODULE_NAME_IS_xvmc
2546     i_requested_adaptor = config_GetInt( p_vout, "xvmc-adaptor" );
2547 #else
2548     i_requested_adaptor = config_GetInt( p_vout, "xvideo-adaptor" );
2549 #endif
2550     for( i_adaptor = 0; i_adaptor < i_num_adaptors; ++i_adaptor )
2551     {
2552         XvImageFormatValues *p_formats;
2553         int i_format, i_num_formats;
2554         int i_port;
2555
2556         /* If we requested an adaptor and it's not this one, we aren't
2557          * interested */
2558         if( i_requested_adaptor != -1 && ((int)i_adaptor != i_requested_adaptor) )
2559         {
2560             continue;
2561         }
2562
2563         /* If the adaptor doesn't have the required properties, skip it */
2564         if( !( p_adaptor[ i_adaptor ].type & XvInputMask ) ||
2565             !( p_adaptor[ i_adaptor ].type & XvImageMask ) )
2566         {
2567             continue;
2568         }
2569
2570         /* Check that adaptor supports our requested format... */
2571         p_formats = XvListImageFormats( p_vout->p_sys->p_display,
2572                                         p_adaptor[i_adaptor].base_id,
2573                                         &i_num_formats );
2574
2575         for( i_format = 0;
2576              i_format < i_num_formats && ( i_selected_port == -1 );
2577              i_format++ )
2578         {
2579             XvAttribute     *p_attr;
2580             int             i_attr, i_num_attributes;
2581             Atom            autopaint = None, colorkey = None;
2582
2583             /* If this is not the format we want, or at least a
2584              * similar one, forget it */
2585             if( !vout_ChromaCmp( p_formats[ i_format ].id, i_chroma ) )
2586             {
2587                 continue;
2588             }
2589
2590             /* Look for the first available port supporting this format */
2591             for( i_port = p_adaptor[i_adaptor].base_id;
2592                  ( i_port < (int)(p_adaptor[i_adaptor].base_id
2593                                    + p_adaptor[i_adaptor].num_ports) )
2594                    && ( i_selected_port == -1 );
2595                  i_port++ )
2596             {
2597                 if( XvGrabPort( p_vout->p_sys->p_display, i_port, CurrentTime )
2598                      == Success )
2599                 {
2600                     i_selected_port = i_port;
2601                     p_heap->i_chroma = p_formats[ i_format ].id;
2602 #if XvVersion > 2 || ( XvVersion == 2 && XvRevision >= 2 )
2603                     p_heap->i_rmask = p_formats[ i_format ].red_mask;
2604                     p_heap->i_gmask = p_formats[ i_format ].green_mask;
2605                     p_heap->i_bmask = p_formats[ i_format ].blue_mask;
2606 #endif
2607                 }
2608             }
2609
2610             /* If no free port was found, forget it */
2611             if( i_selected_port == -1 )
2612             {
2613                 continue;
2614             }
2615
2616             /* If we found a port, print information about it */
2617             msg_Dbg( p_vout, "adaptor %i, port %i, format 0x%x (%4.4s) %s",
2618                      i_adaptor, i_selected_port, p_formats[ i_format ].id,
2619                      (char *)&p_formats[ i_format ].id,
2620                      ( p_formats[ i_format ].format == XvPacked ) ?
2621                          "packed" : "planar" );
2622
2623             /* Use XV_AUTOPAINT_COLORKEY if supported, otherwise we will
2624              * manually paint the colour key */
2625             p_attr = XvQueryPortAttributes( p_vout->p_sys->p_display,
2626                                             i_selected_port,
2627                                             &i_num_attributes );
2628
2629             for( i_attr = 0; i_attr < i_num_attributes; i_attr++ )
2630             {
2631                 if( !strcmp( p_attr[i_attr].name, "XV_AUTOPAINT_COLORKEY" ) )
2632                 {
2633                     autopaint = XInternAtom( p_vout->p_sys->p_display,
2634                                              "XV_AUTOPAINT_COLORKEY", False );
2635                     XvSetPortAttribute( p_vout->p_sys->p_display,
2636                                         i_selected_port, autopaint, 1 );
2637                 }
2638                 if( !strcmp( p_attr[i_attr].name, "XV_COLORKEY" ) )
2639                 {
2640                     /* Find out the default colour key */
2641                     colorkey = XInternAtom( p_vout->p_sys->p_display,
2642                                             "XV_COLORKEY", False );
2643                     XvGetPortAttribute( p_vout->p_sys->p_display,
2644                                         i_selected_port, colorkey,
2645                                         &p_vout->p_sys->i_colourkey );
2646                 }
2647             }
2648             p_vout->p_sys->b_paint_colourkey =
2649                 autopaint == None && colorkey != None;
2650
2651             if( p_attr != NULL )
2652             {
2653                 XFree( p_attr );
2654             }
2655         }
2656
2657         if( p_formats != NULL )
2658         {
2659             XFree( p_formats );
2660         }
2661
2662     }
2663
2664     if( i_num_adaptors > 0 )
2665     {
2666         XvFreeAdaptorInfo( p_adaptor );
2667     }
2668
2669     if( i_selected_port == -1 )
2670     {
2671         int i_chroma_tmp = X112VLC_FOURCC( i_chroma );
2672         if( i_requested_adaptor == -1 )
2673         {
2674             msg_Warn( p_vout, "no free XVideo port found for format "
2675                       "0x%.8x (%4.4s)", i_chroma_tmp, (char*)&i_chroma_tmp );
2676         }
2677         else
2678         {
2679             msg_Warn( p_vout, "XVideo adaptor %i does not have a free "
2680                       "XVideo port for format 0x%.8x (%4.4s)",
2681                       i_requested_adaptor, i_chroma_tmp, (char*)&i_chroma_tmp );
2682         }
2683     }
2684
2685     return i_selected_port;
2686 }
2687
2688 /*****************************************************************************
2689  * XVideoReleasePort: release YUV12 port
2690  *****************************************************************************/
2691 static void XVideoReleasePort( vout_thread_t *p_vout, int i_port )
2692 {
2693     XvUngrabPort( p_vout->p_sys->p_display, i_port, CurrentTime );
2694 }
2695 #endif
2696
2697 /*****************************************************************************
2698  * InitDisplay: open and initialize X11 device
2699  *****************************************************************************
2700  * Create a window according to video output given size, and set other
2701  * properties according to the display properties.
2702  *****************************************************************************/
2703 static int InitDisplay( vout_thread_t *p_vout )
2704 {
2705 #ifdef MODULE_NAME_IS_x11
2706     XPixmapFormatValues *       p_formats;                 /* pixmap formats */
2707     XVisualInfo *               p_xvisual;            /* visuals information */
2708     XVisualInfo                 xvisual_template;         /* visual template */
2709     int                         i_count, i;                    /* array size */
2710 #endif
2711
2712 #ifdef HAVE_SYS_SHM_H
2713     p_vout->p_sys->i_shm_opcode = 0;
2714
2715     if( config_GetInt( p_vout, MODULE_STRING "-shm" ) > 0 )
2716     {
2717         int major, evt, err;
2718
2719         if( XQueryExtension( p_vout->p_sys->p_display, "MIT-SHM", &major,
2720                              &evt, &err )
2721          && XShmQueryExtension( p_vout->p_sys->p_display ) )
2722             p_vout->p_sys->i_shm_opcode = major;
2723
2724         if( p_vout->p_sys->i_shm_opcode )
2725         {
2726             int minor;
2727             Bool pixmaps;
2728
2729             XShmQueryVersion( p_vout->p_sys->p_display, &major, &minor,
2730                               &pixmaps );
2731             msg_Dbg( p_vout, "XShm video extension v%d.%d "
2732                      "(with%s pixmaps, opcode: %d)",
2733                      major, minor, pixmaps ? "" : "out",
2734                      p_vout->p_sys->i_shm_opcode );
2735         }
2736         else
2737             msg_Warn( p_vout, "XShm video extension not available" );
2738     }
2739     else
2740         msg_Dbg( p_vout, "XShm video extension disabled" );
2741 #endif
2742
2743 #ifdef MODULE_NAME_IS_xvideo
2744     /* XXX The brightness and contrast values should be read from environment
2745      * XXX variables... */
2746 #if 0
2747     XVideoSetAttribute( p_vout, "XV_BRIGHTNESS", 0.5 );
2748     XVideoSetAttribute( p_vout, "XV_CONTRAST",   0.5 );
2749 #endif
2750 #endif
2751
2752 #ifdef MODULE_NAME_IS_x11
2753     /* Initialize structure */
2754     p_vout->p_sys->i_screen = DefaultScreen( p_vout->p_sys->p_display );
2755
2756     /* Get screen depth */
2757     p_vout->p_sys->i_screen_depth = XDefaultDepth( p_vout->p_sys->p_display,
2758                                                    p_vout->p_sys->i_screen );
2759     switch( p_vout->p_sys->i_screen_depth )
2760     {
2761     case 8:
2762         /*
2763          * Screen depth is 8bpp. Use PseudoColor visual with private colormap.
2764          */
2765         xvisual_template.screen =   p_vout->p_sys->i_screen;
2766         xvisual_template.class =    DirectColor;
2767         p_xvisual = XGetVisualInfo( p_vout->p_sys->p_display,
2768                                     VisualScreenMask | VisualClassMask,
2769                                     &xvisual_template, &i_count );
2770         if( p_xvisual == NULL )
2771         {
2772             msg_Err( p_vout, "no PseudoColor visual available" );
2773             return VLC_EGENERIC;
2774         }
2775         p_vout->p_sys->i_bytes_per_pixel = 1;
2776         p_vout->output.pf_setpalette = SetPalette;
2777         break;
2778     case 15:
2779     case 16:
2780     case 24:
2781     default:
2782         /*
2783          * Screen depth is higher than 8bpp. TrueColor visual is used.
2784          */
2785         xvisual_template.screen =   p_vout->p_sys->i_screen;
2786         xvisual_template.class =    TrueColor;
2787 /* In some cases, we get a truecolor class adaptor that has a different
2788    color depth. So try to get a real true color one first */
2789         xvisual_template.depth =    p_vout->p_sys->i_screen_depth;
2790
2791         p_xvisual = XGetVisualInfo( p_vout->p_sys->p_display,
2792                                     VisualScreenMask | VisualClassMask |
2793                                     VisualDepthMask,
2794                                     &xvisual_template, &i_count );
2795         if( p_xvisual == NULL )
2796         {
2797             msg_Warn( p_vout, "No screen matching the required color depth" );
2798             p_xvisual = XGetVisualInfo( p_vout->p_sys->p_display,
2799                                     VisualScreenMask | VisualClassMask,
2800                                     &xvisual_template, &i_count );
2801             if( p_xvisual == NULL )
2802             {
2803
2804                 msg_Err( p_vout, "no TrueColor visual available" );
2805                 return VLC_EGENERIC;
2806             }
2807         }
2808
2809         p_vout->output.i_rmask = p_xvisual->red_mask;
2810         p_vout->output.i_gmask = p_xvisual->green_mask;
2811         p_vout->output.i_bmask = p_xvisual->blue_mask;
2812
2813         /* There is no difference yet between 3 and 4 Bpp. The only way
2814          * to find the actual number of bytes per pixel is to list supported
2815          * pixmap formats. */
2816         p_formats = XListPixmapFormats( p_vout->p_sys->p_display, &i_count );
2817         p_vout->p_sys->i_bytes_per_pixel = 0;
2818
2819         for( i = 0; i < i_count; i++ )
2820         {
2821             /* Under XFree4.0, the list contains pixmap formats available
2822              * through all video depths ; so we have to check against current
2823              * depth. */
2824             if( p_formats[i].depth == (int)p_vout->p_sys->i_screen_depth )
2825             {
2826                 if( p_formats[i].bits_per_pixel / 8
2827                         > (int)p_vout->p_sys->i_bytes_per_pixel )
2828                 {
2829                     p_vout->p_sys->i_bytes_per_pixel =
2830                         p_formats[i].bits_per_pixel / 8;
2831                 }
2832             }
2833         }
2834         if( p_formats ) XFree( p_formats );
2835
2836         break;
2837     }
2838     p_vout->p_sys->p_visual = p_xvisual->visual;
2839     XFree( p_xvisual );
2840 #endif
2841
2842     return VLC_SUCCESS;
2843 }
2844
2845 #ifndef MODULE_NAME_IS_glx
2846
2847 #ifdef HAVE_SYS_SHM_H
2848 /*****************************************************************************
2849  * CreateShmImage: create an XImage or XvImage using shared memory extension
2850  *****************************************************************************
2851  * Prepare an XImage or XvImage for display function.
2852  * The order of the operations respects the recommandations of the mit-shm
2853  * document by J.Corbet and K.Packard. Most of the parameters were copied from
2854  * there. See http://ftp.xfree86.org/pub/XFree86/4.0/doc/mit-shm.TXT
2855  *****************************************************************************/
2856 IMAGE_TYPE * CreateShmImage( vout_thread_t *p_vout,
2857                                     Display* p_display, EXTRA_ARGS_SHM,
2858                                     int i_width, int i_height )
2859 {
2860     IMAGE_TYPE *p_image;
2861     Status result;
2862
2863     /* Create XImage / XvImage */
2864 #ifdef MODULE_NAME_IS_xvideo
2865     p_image = XvShmCreateImage( p_display, i_xvport, i_chroma, 0,
2866                                 i_width, i_height, p_shm );
2867 #elif defined(MODULE_NAME_IS_xvmc)
2868     p_image = XvShmCreateImage( p_display, i_xvport, i_chroma, 0,
2869                                 i_width, i_height, p_shm );
2870 #else
2871     p_image = XShmCreateImage( p_display, p_visual, i_depth, ZPixmap, 0,
2872                                p_shm, i_width, i_height );
2873 #endif
2874     if( p_image == NULL )
2875     {
2876         msg_Err( p_vout, "image creation failed" );
2877         return NULL;
2878     }
2879
2880     /* For too big image, the buffer returned is sometimes too small, prevent
2881      * VLC to segfault because of it
2882      * FIXME is it normal ? Is there a way to detect it
2883      * before (XvQueryBestSize did not) ? */
2884     if( p_image->width < i_width || p_image->height < i_height )
2885     {
2886         msg_Err( p_vout, "cannot allocate shared image data with the right size "
2887                          "(%dx%d instead of %dx%d)",
2888                          p_image->width, p_image->height,
2889                          i_width, i_height );
2890         IMAGE_FREE( p_image );
2891         return NULL;
2892     }
2893
2894     /* Allocate shared memory segment - 0776 set the access permission
2895      * rights (like umask), they are not yet supported by all X servers */
2896     p_shm->shmid = shmget( IPC_PRIVATE, DATA_SIZE(p_image), IPC_CREAT | 0776 );
2897     if( p_shm->shmid < 0 )
2898     {
2899         msg_Err( p_vout, "cannot allocate shared image data (%m)" );
2900         IMAGE_FREE( p_image );
2901         return NULL;
2902     }
2903
2904     /* Attach shared memory segment to process (read/write) */
2905     p_shm->shmaddr = p_image->data = shmat( p_shm->shmid, 0, 0 );
2906     if(! p_shm->shmaddr )
2907     {
2908         msg_Err( p_vout, "cannot attach shared memory (%m)" );
2909         IMAGE_FREE( p_image );
2910         shmctl( p_shm->shmid, IPC_RMID, 0 );
2911         return NULL;
2912     }
2913
2914     /* Read-only data. We won't be using XShmGetImage */
2915     p_shm->readOnly = True;
2916
2917     /* Attach shared memory segment to X server */
2918     XSynchronize( p_display, True );
2919     i_shm_major = p_vout->p_sys->i_shm_opcode;
2920     result = XShmAttach( p_display, p_shm );
2921     if( result == False || !i_shm_major )
2922     {
2923         msg_Err( p_vout, "cannot attach shared memory to X server" );
2924         IMAGE_FREE( p_image );
2925         shmctl( p_shm->shmid, IPC_RMID, 0 );
2926         shmdt( p_shm->shmaddr );
2927         return NULL;
2928     }
2929     XSynchronize( p_display, False );
2930
2931     /* Send image to X server. This instruction is required, since having
2932      * built a Shm XImage and not using it causes an error on XCloseDisplay,
2933      * and remember NOT to use XFlush ! */
2934     XSync( p_display, False );
2935
2936 #if 0
2937     /* Mark the shm segment to be removed when there are no more
2938      * attachements, so it is automatic on process exit or after shmdt */
2939     shmctl( p_shm->shmid, IPC_RMID, 0 );
2940 #endif
2941
2942     return p_image;
2943 }
2944 #endif
2945
2946 /*****************************************************************************
2947  * CreateImage: create an XImage or XvImage
2948  *****************************************************************************
2949  * Create a simple image used as a buffer.
2950  *****************************************************************************/
2951 static IMAGE_TYPE * CreateImage( vout_thread_t *p_vout,
2952                                  Display *p_display, EXTRA_ARGS,
2953                                  int i_width, int i_height )
2954 {
2955     uint8_t *    p_data;                          /* image data storage zone */
2956     IMAGE_TYPE *p_image;
2957 #ifdef MODULE_NAME_IS_x11
2958     int         i_quantum;                     /* XImage quantum (see below) */
2959     int         i_bytes_per_line;
2960 #endif
2961
2962     /* Allocate memory for image */
2963 #ifdef MODULE_NAME_IS_xvideo
2964     p_data = malloc( i_width * i_height * i_bits_per_pixel / 8 );
2965 #elif defined(MODULE_NAME_IS_x11)
2966     i_bytes_per_line = i_width * i_bytes_per_pixel;
2967     p_data = malloc( i_bytes_per_line * i_height );
2968 #endif
2969     if( !p_data )
2970         return NULL;
2971
2972 #ifdef MODULE_NAME_IS_x11
2973     /* Optimize the quantum of a scanline regarding its size - the quantum is
2974        a diviser of the number of bits between the start of two scanlines. */
2975     if( i_bytes_per_line & 0xf )
2976     {
2977         i_quantum = 0x8;
2978     }
2979     else if( i_bytes_per_line & 0x10 )
2980     {
2981         i_quantum = 0x10;
2982     }
2983     else
2984     {
2985         i_quantum = 0x20;
2986     }
2987 #endif
2988
2989     /* Create XImage. p_data will be automatically freed */
2990 #ifdef MODULE_NAME_IS_xvideo
2991     p_image = XvCreateImage( p_display, i_xvport, i_chroma,
2992                              (char *)p_data, i_width, i_height );
2993 #elif defined(MODULE_NAME_IS_x11)
2994     p_image = XCreateImage( p_display, p_visual, i_depth, ZPixmap, 0,
2995                             (char *)p_data, i_width, i_height, i_quantum, 0 );
2996 #endif
2997     if( p_image == NULL )
2998     {
2999         msg_Err( p_vout, "XCreateImage() failed" );
3000         free( p_data );
3001         return NULL;
3002     }
3003
3004     return p_image;
3005 }
3006
3007 #endif
3008 /*****************************************************************************
3009  * X11ErrorHandler: replace error handler so we can intercept some of them
3010  *****************************************************************************/
3011 static int X11ErrorHandler( Display * display, XErrorEvent * event )
3012 {
3013     char txt[1024];
3014
3015     XGetErrorText( display, event->error_code, txt, sizeof( txt ) );
3016     fprintf( stderr,
3017              "[????????] x11 video output error: X11 request %u.%u failed "
3018               "with error code %u:\n %s\n",
3019              event->request_code, event->minor_code, event->error_code, txt );
3020
3021     switch( event->request_code )
3022     {
3023     case X_SetInputFocus:
3024         /* Ignore errors on XSetInputFocus()
3025          * (they happen when a window is not yet mapped) */
3026         return 0;
3027     }
3028
3029 #ifdef HAVE_SYS_SHM_H
3030     if( event->request_code == i_shm_major ) /* MIT-SHM */
3031     {
3032         fprintf( stderr,
3033                  "[????????] x11 video output notice:"
3034                  " buggy X11 server claims shared memory\n"
3035                  "[????????] x11 video output notice:"
3036                  " support though it does not work (OpenSSH?)\n" );
3037         return i_shm_major = 0;
3038     }
3039 #endif
3040
3041 #ifndef HAVE_OSSO
3042     XSetErrorHandler(NULL);
3043     return (XSetErrorHandler(X11ErrorHandler))( display, event );
3044 #else
3045     /* Work-around Maemo Xvideo bug */
3046     return 0;
3047 #endif
3048 }
3049
3050 #ifdef MODULE_NAME_IS_x11
3051 /*****************************************************************************
3052  * SetPalette: sets an 8 bpp palette
3053  *****************************************************************************
3054  * This function sets the palette given as an argument. It does not return
3055  * anything, but could later send information on which colors it was unable
3056  * to set.
3057  *****************************************************************************/
3058 static void SetPalette( vout_thread_t *p_vout,
3059                         uint16_t *red, uint16_t *green, uint16_t *blue )
3060 {
3061     int i;
3062     XColor p_colors[255];
3063
3064     /* allocate palette */
3065     for( i = 0; i < 255; i++ )
3066     {
3067         /* kludge: colors are indexed reversely because color 255 seems
3068          * to be reserved for black even if we try to set it to white */
3069         p_colors[ i ].pixel = 255 - i;
3070         p_colors[ i ].pad   = 0;
3071         p_colors[ i ].flags = DoRed | DoGreen | DoBlue;
3072         p_colors[ i ].red   = red[ 255 - i ];
3073         p_colors[ i ].blue  = blue[ 255 - i ];
3074         p_colors[ i ].green = green[ 255 - i ];
3075     }
3076
3077     XStoreColors( p_vout->p_sys->p_display,
3078                   p_vout->p_sys->colormap, p_colors, 255 );
3079 }
3080 #endif
3081
3082 /*****************************************************************************
3083  * Control: control facility for the vout
3084  *****************************************************************************/
3085 static int Control( vout_thread_t *p_vout, int i_query, va_list args )
3086 {
3087     bool b_arg;
3088     unsigned int i_width, i_height;
3089
3090     switch( i_query )
3091     {
3092         case VOUT_SET_SIZE:
3093             if( p_vout->p_sys->p_win->owner_window )
3094                 return vout_ControlWindow( p_vout->p_sys->p_win->owner_window,
3095                                            i_query, args);
3096
3097             i_width  = va_arg( args, unsigned int );
3098             i_height = va_arg( args, unsigned int );
3099             if( !i_width ) i_width = p_vout->i_window_width;
3100             if( !i_height ) i_height = p_vout->i_window_height;
3101
3102 #ifdef MODULE_NAME_IS_xvmc
3103             xvmc_context_reader_lock( &p_vout->p_sys->xvmc_lock );
3104 #endif
3105             /* Update dimensions */
3106             XResizeWindow( p_vout->p_sys->p_display,
3107                            p_vout->p_sys->p_win->base_window,
3108                            i_width, i_height );
3109 #ifdef MODULE_NAME_IS_xvmc
3110             xvmc_context_reader_unlock( &p_vout->p_sys->xvmc_lock );
3111 #endif
3112             return VLC_SUCCESS;
3113
3114         case VOUT_SET_STAY_ON_TOP:
3115             if( p_vout->p_sys->p_win->owner_window )
3116                 return vout_ControlWindow( p_vout->p_sys->p_win->owner_window,
3117                                            i_query, args);
3118
3119             b_arg = (bool) va_arg( args, int );
3120 #ifdef MODULE_NAME_IS_xvmc
3121             xvmc_context_reader_lock( &p_vout->p_sys->xvmc_lock );
3122 #endif
3123             WindowOnTop( p_vout, b_arg );
3124 #ifdef MODULE_NAME_IS_xvmc
3125             xvmc_context_reader_unlock( &p_vout->p_sys->xvmc_lock );
3126 #endif
3127             return VLC_SUCCESS;
3128
3129        default:
3130             return VLC_EGENERIC;
3131     }
3132 }
3133
3134 /*****************************************************************************
3135  * TestNetWMSupport: tests for Extended Window Manager Hints support
3136  *****************************************************************************/
3137 static void TestNetWMSupport( vout_thread_t *p_vout )
3138 {
3139     int i_ret, i_format;
3140     unsigned long i, i_items, i_bytesafter;
3141     Atom net_wm_supported;
3142     union { Atom *p_atom; unsigned char *p_char; } p_args;
3143
3144     p_args.p_atom = NULL;
3145
3146     p_vout->p_sys->b_net_wm_state_fullscreen =
3147     p_vout->p_sys->b_net_wm_state_above =
3148     p_vout->p_sys->b_net_wm_state_below =
3149     p_vout->p_sys->b_net_wm_state_stays_on_top =
3150         false;
3151
3152     net_wm_supported =
3153         XInternAtom( p_vout->p_sys->p_display, "_NET_SUPPORTED", False );
3154
3155     i_ret = XGetWindowProperty( p_vout->p_sys->p_display,
3156                                 DefaultRootWindow( p_vout->p_sys->p_display ),
3157                                 net_wm_supported,
3158                                 0, 16384, False, AnyPropertyType,
3159                                 &net_wm_supported,
3160                                 &i_format, &i_items, &i_bytesafter,
3161                                 (unsigned char **)&p_args );
3162
3163     if( i_ret != Success || i_items == 0 ) return;
3164
3165     msg_Dbg( p_vout, "Window manager supports NetWM" );
3166
3167     p_vout->p_sys->net_wm_state =
3168         XInternAtom( p_vout->p_sys->p_display, "_NET_WM_STATE", False );
3169     p_vout->p_sys->net_wm_state_fullscreen =
3170         XInternAtom( p_vout->p_sys->p_display, "_NET_WM_STATE_FULLSCREEN",
3171                      False );
3172     p_vout->p_sys->net_wm_state_above =
3173         XInternAtom( p_vout->p_sys->p_display, "_NET_WM_STATE_ABOVE", False );
3174     p_vout->p_sys->net_wm_state_below =
3175         XInternAtom( p_vout->p_sys->p_display, "_NET_WM_STATE_BELOW", False );
3176     p_vout->p_sys->net_wm_state_stays_on_top =
3177         XInternAtom( p_vout->p_sys->p_display, "_NET_WM_STATE_STAYS_ON_TOP",
3178                      False );
3179
3180     for( i = 0; i < i_items; i++ )
3181     {
3182         if( p_args.p_atom[i] == p_vout->p_sys->net_wm_state_fullscreen )
3183         {
3184             msg_Dbg( p_vout,
3185                      "Window manager supports _NET_WM_STATE_FULLSCREEN" );
3186             p_vout->p_sys->b_net_wm_state_fullscreen = true;
3187         }
3188         else if( p_args.p_atom[i] == p_vout->p_sys->net_wm_state_above )
3189         {
3190             msg_Dbg( p_vout, "Window manager supports _NET_WM_STATE_ABOVE" );
3191             p_vout->p_sys->b_net_wm_state_above = true;
3192         }
3193         else if( p_args.p_atom[i] == p_vout->p_sys->net_wm_state_below )
3194         {
3195             msg_Dbg( p_vout, "Window manager supports _NET_WM_STATE_BELOW" );
3196             p_vout->p_sys->b_net_wm_state_below = true;
3197         }
3198         else if( p_args.p_atom[i] == p_vout->p_sys->net_wm_state_stays_on_top )
3199         {
3200             msg_Dbg( p_vout,
3201                      "Window manager supports _NET_WM_STATE_STAYS_ON_TOP" );
3202             p_vout->p_sys->b_net_wm_state_stays_on_top = true;
3203         }
3204     }
3205
3206     XFree( p_args.p_atom );
3207 }
3208
3209 /*****************************************************************************
3210  * Key events handling
3211  *****************************************************************************/
3212 static const struct
3213 {
3214     int i_x11key;
3215     int i_vlckey;
3216
3217 } x11keys_to_vlckeys[] =
3218 {
3219     { XK_F1, KEY_F1 }, { XK_F2, KEY_F2 }, { XK_F3, KEY_F3 }, { XK_F4, KEY_F4 },
3220     { XK_F5, KEY_F5 }, { XK_F6, KEY_F6 }, { XK_F7, KEY_F7 }, { XK_F8, KEY_F8 },
3221     { XK_F9, KEY_F9 }, { XK_F10, KEY_F10 }, { XK_F11, KEY_F11 },
3222     { XK_F12, KEY_F12 },
3223
3224     { XK_Return, KEY_ENTER },
3225     { XK_KP_Enter, KEY_ENTER },
3226     { XK_space, KEY_SPACE },
3227     { XK_Escape, KEY_ESC },
3228
3229     { XK_Menu, KEY_MENU },
3230     { XK_Left, KEY_LEFT },
3231     { XK_Right, KEY_RIGHT },
3232     { XK_Up, KEY_UP },
3233     { XK_Down, KEY_DOWN },
3234
3235     { XK_Home, KEY_HOME },
3236     { XK_End, KEY_END },
3237     { XK_Page_Up, KEY_PAGEUP },
3238     { XK_Page_Down, KEY_PAGEDOWN },
3239
3240     { XK_Insert, KEY_INSERT },
3241     { XK_Delete, KEY_DELETE },
3242     { XF86XK_AudioNext, KEY_MEDIA_NEXT_TRACK},
3243     { XF86XK_AudioPrev, KEY_MEDIA_PREV_TRACK},
3244     { XF86XK_AudioMute, KEY_VOLUME_MUTE },
3245     { XF86XK_AudioLowerVolume, KEY_VOLUME_DOWN },
3246     { XF86XK_AudioRaiseVolume, KEY_VOLUME_UP },
3247     { XF86XK_AudioPlay, KEY_MEDIA_PLAY_PAUSE },
3248     { XF86XK_AudioPause, KEY_MEDIA_PLAY_PAUSE },
3249
3250     { 0, 0 }
3251 };
3252
3253 static int ConvertKey( int i_key )
3254 {
3255     int i;
3256
3257     for( i = 0; x11keys_to_vlckeys[i].i_x11key != 0; i++ )
3258     {
3259         if( x11keys_to_vlckeys[i].i_x11key == i_key )
3260         {
3261             return x11keys_to_vlckeys[i].i_vlckey;
3262         }
3263     }
3264
3265     return 0;
3266 }
3267
3268 /*****************************************************************************
3269  * WindowOnTop: Switches the "always on top" state of the video window.
3270  *****************************************************************************/
3271 static int WindowOnTop( vout_thread_t *p_vout, bool b_on_top )
3272 {
3273     XClientMessageEvent event;
3274
3275     memset( &event, 0, sizeof( XClientMessageEvent ) );
3276     event.type = ClientMessage;
3277     event.message_type = p_vout->p_sys->net_wm_state;
3278     event.display = p_vout->p_sys->p_display;
3279     event.window = p_vout->p_sys->p_win->base_window;
3280     event.format = 32;
3281     event.data.l[ 0 ] = b_on_top; /* set property */
3282
3283     if( p_vout->p_sys->b_net_wm_state_stays_on_top )
3284         event.data.l[ 1 ] = p_vout->p_sys->net_wm_state_stays_on_top;
3285     else if( p_vout->p_sys->b_net_wm_state_above )
3286         /* use _NET_WM_STATE_ABOVE if window manager
3287          * doesn't handle _NET_WM_STATE_STAYS_ON_TOP */
3288         event.data.l[ 1 ] = p_vout->p_sys->net_wm_state_above;
3289     else
3290         return VLC_EGENERIC;
3291
3292     XSendEvent( p_vout->p_sys->p_display,
3293                 DefaultRootWindow( p_vout->p_sys->p_display ),
3294                 False, SubstructureRedirectMask,
3295                 (XEvent*)&event );
3296     return VLC_SUCCESS;
3297 }