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 #ifndef MODULE_NAME_IS_glx
 120 static IMAGE_TYPE *CreateImage    ( vout_thread_t *,
 121                                     Display *, EXTRA_ARGS, int, int );
 122 #endif
 123
 124 #ifdef HAVE_SYS_SHM_H
 125 #ifndef MODULE_NAME_IS_glx
 126 IMAGE_TYPE *CreateShmImage ( vout_thread_t *,
 127                                     Display *, EXTRA_ARGS_SHM, int, int );
 128 #endif
 129 static int i_shm_major = 0;
 130 #endif
 131
 132 static void ToggleFullScreen      ( vout_thread_t * );
 133
 134 static void EnableXScreenSaver    ( vout_thread_t * );
 135 static void DisableXScreenSaver   ( vout_thread_t * );
 136
 137 static void CreateCursor   ( vout_thread_t * );
 138 static void DestroyCursor  ( vout_thread_t * );
 139 static void ToggleCursor   ( vout_thread_t * );
 140
 141 #if defined(MODULE_NAME_IS_xvideo) || defined(MODULE_NAME_IS_xvmc)
 142 static int  XVideoGetPort    ( vout_thread_t *, vlc_fourcc_t, picture_heap_t * );
 143 static void XVideoReleasePort( vout_thread_t *, int );
 144 #endif
 145
 146 #ifdef MODULE_NAME_IS_x11
 147 static void SetPalette     ( vout_thread_t *,
 148                              uint16_t *, uint16_t *, uint16_t * );
 149 #endif
 150
 151 #ifdef MODULE_NAME_IS_xvmc
 152 static void RenderVideo    ( vout_thread_t *, picture_t * );
 153 static int  xvmc_check_yv12( Display *display, XvPortID port );
 154 static void xvmc_update_XV_DOUBLE_BUFFER( vout_thread_t *p_vout );
 155 #endif
 156
 157 static void TestNetWMSupport( vout_thread_t * );
 158 static int ConvertKey( int );
 159
 160 static int WindowOnTop( vout_thread_t *, bool );
 161
 162 static int X11ErrorHandler( Display *, XErrorEvent * );
 163
 164 #ifdef HAVE_XSP
 165 static void EnablePixelDoubling( vout_thread_t *p_vout );
 166 static void DisablePixelDoubling( vout_thread_t *p_vout );
 167 #endif
 168
 169 #ifdef HAVE_OSSO
 170 static const int i_backlight_on_interval = 300;
 171 #endif
 172
 173
 174
 175 /*****************************************************************************
 176  * Activate: allocate X11 video thread output method
 177  *****************************************************************************
 178  * This function allocate and initialize a X11 vout method. It uses some of the
 179  * vout properties to choose the window size, and change them according to the
 180  * actual properties of the display.
 181  *****************************************************************************/
 182 int Activate ( vlc_object_t *p_this )
 183 {
 184     vout_thread_t *p_vout = (vout_thread_t *)p_this;
 185     char *        psz_display;
 186     vlc_value_t   val;
 187 #if defined(MODULE_NAME_IS_xvmc)
 188     char *psz_value;
 189 #endif
 190 #if defined(MODULE_NAME_IS_xvideo) || defined(MODULE_NAME_IS_xvmc)
 191     char *       psz_chroma;
 192     vlc_fourcc_t i_chroma = 0;
 193     bool   b_chroma = 0;
 194 #endif
 195
 196     p_vout->pf_init = InitVideo;
 197     p_vout->pf_end = EndVideo;
 198     p_vout->pf_manage = ManageVideo;
 199 #ifdef MODULE_NAME_IS_xvmc
 200     p_vout->pf_render = RenderVideo;
 201 #else
 202     p_vout->pf_render = NULL;
 203 #endif
 204     p_vout->pf_display = DisplayVideo;
 205     p_vout->pf_control = Control;
 206
 207     /* Allocate structure */
 208     p_vout->p_sys = malloc( sizeof( vout_sys_t ) );
 209     if( p_vout->p_sys == NULL )
 210         return VLC_ENOMEM;
 211
 212     vlc_mutex_init( &p_vout->p_sys->lock );
 213
 214     /* key and mouse event handling */
 215     p_vout->p_sys->i_vout_event = var_CreateGetInteger( p_vout, "vout-event" );
 216
 217     /* Open display, using the "display" config variable or the DISPLAY
 218      * environment variable */
 219     psz_display = config_GetPsz( p_vout, MODULE_STRING "-display" );
 220
 221     p_vout->p_sys->p_display = XOpenDisplay( psz_display );
 222
 223     if( p_vout->p_sys->p_display == NULL )                         /* error */
 224     {
 225         msg_Err( p_vout, "cannot open display %s",
 226                          XDisplayName( psz_display ) );
 227         free( p_vout->p_sys );
 228         free( psz_display );
 229         return VLC_EGENERIC;
 230     }
 231     free( psz_display );
 232
 233     /* Replace error handler so we can intercept some non-fatal errors */
 234     XSetErrorHandler( X11ErrorHandler );
 235
 236     /* Get a screen ID matching the XOpenDisplay return value */
 237     p_vout->p_sys->i_screen = DefaultScreen( p_vout->p_sys->p_display );
 238
 239 #if defined(MODULE_NAME_IS_xvideo) || defined(MODULE_NAME_IS_xvmc)
 240     psz_chroma = config_GetPsz( p_vout, "xvideo-chroma" );
 241     if( psz_chroma )
 242     {
 243         if( strlen( psz_chroma ) >= 4 )
 244         {
 245             /* Do not use direct assignment because we are not sure of the
 246              * alignment. */
 247             memcpy(&i_chroma, psz_chroma, 4);
 248             b_chroma = 1;
 249         }
 250
 251         free( psz_chroma );
 252     }
 253
 254     if( b_chroma )
 255     {
 256         msg_Dbg( p_vout, "forcing chroma 0x%.8x (%4.4s)",
 257                  i_chroma, (char*)&i_chroma );
 258     }
 259     else
 260     {
 261         i_chroma = p_vout->render.i_chroma;
 262     }
 263
 264     /* Check that we have access to an XVideo port providing this chroma */
 265     p_vout->p_sys->i_xvport = XVideoGetPort( p_vout, VLC2X11_FOURCC(i_chroma),
 266                                              &p_vout->output );
 267     if( p_vout->p_sys->i_xvport < 0 )
 268     {
 269         /* If a specific chroma format was requested, then we don't try to
 270          * be cleverer than the user. He knew pretty well what he wanted. */
 271         if( b_chroma )
 272         {
 273             XCloseDisplay( p_vout->p_sys->p_display );
 274             free( p_vout->p_sys );
 275             return VLC_EGENERIC;
 276         }
 277
 278         /* It failed, but it's not completely lost ! We try to open an
 279          * XVideo port for an YUY2 picture. We'll need to do an YUV
 280          * conversion, but at least it has got scaling. */
 281         p_vout->p_sys->i_xvport =
 282                         XVideoGetPort( p_vout, X11_FOURCC('Y','U','Y','2'),
 283                                                &p_vout->output );
 284         if( p_vout->p_sys->i_xvport < 0 )
 285         {
 286             /* It failed, but it's not completely lost ! We try to open an
 287              * XVideo port for a simple 16bpp RGB picture. We'll need to do
 288              * an YUV conversion, but at least it has got scaling. */
 289             p_vout->p_sys->i_xvport =
 290                             XVideoGetPort( p_vout, X11_FOURCC('R','V','1','6'),
 291                                                    &p_vout->output );
 292             if( p_vout->p_sys->i_xvport < 0 )
 293             {
 294                 XCloseDisplay( p_vout->p_sys->p_display );
 295                 free( p_vout->p_sys );
 296                 return VLC_EGENERIC;
 297             }
 298         }
 299     }
 300     p_vout->output.i_chroma = X112VLC_FOURCC(p_vout->output.i_chroma);
 301 #elif defined(MODULE_NAME_IS_glx)
 302     {
 303         int i_opcode, i_evt, i_err = 0;
 304         int i_maj, i_min = 0;
 305
 306         /* Check for GLX extension */
 307         if( !XQueryExtension( p_vout->p_sys->p_display, "GLX",
 308                               &i_opcode, &i_evt, &i_err ) )
 309         {
 310             msg_Err( p_this, "GLX extension not supported" );
 311             XCloseDisplay( p_vout->p_sys->p_display );
 312             free( p_vout->p_sys );
 313             return VLC_EGENERIC;
 314         }
 315         if( !glXQueryExtension( p_vout->p_sys->p_display, &i_err, &i_evt ) )
 316         {
 317             msg_Err( p_this, "glXQueryExtension failed" );
 318             XCloseDisplay( p_vout->p_sys->p_display );
 319             free( p_vout->p_sys );
 320             return VLC_EGENERIC;
 321         }
 322
 323         /* Check GLX version */
 324         if (!glXQueryVersion( p_vout->p_sys->p_display, &i_maj, &i_min ) )
 325         {
 326             msg_Err( p_this, "glXQueryVersion failed" );
 327             XCloseDisplay( p_vout->p_sys->p_display );
 328             free( p_vout->p_sys );
 329             return VLC_EGENERIC;
 330         }
 331         if( i_maj <= 0 || ((i_maj == 1) && (i_min < 3)) )
 332         {
 333             p_vout->p_sys->b_glx13 = false;
 334             msg_Dbg( p_this, "using GLX 1.2 API" );
 335         }
 336         else
 337         {
 338             p_vout->p_sys->b_glx13 = true;
 339             msg_Dbg( p_this, "using GLX 1.3 API" );
 340         }
 341     }
 342 #endif
 343
 344     /* Create blank cursor (for mouse cursor autohiding) */
 345     p_vout->p_sys->i_time_mouse_last_moved = mdate();
 346     p_vout->p_sys->i_mouse_hide_timeout =
 347         var_GetInteger(p_vout, "mouse-hide-timeout") * 1000;
 348     p_vout->p_sys->b_mouse_pointer_visible = 1;
 349     CreateCursor( p_vout );
 350
 351     /* Set main window's size */
 352     p_vout->p_sys->original_window.i_width = p_vout->i_window_width;
 353     p_vout->p_sys->original_window.i_height = p_vout->i_window_height;
 354     var_Create( p_vout, "video-title", VLC_VAR_STRING | VLC_VAR_DOINHERIT );
 355     /* Spawn base window - this window will include the video output window,
 356      * but also command buttons, subtitles and other indicators */
 357     if( CreateWindow( p_vout, &p_vout->p_sys->original_window ) )
 358     {
 359         msg_Err( p_vout, "cannot create X11 window" );
 360         DestroyCursor( p_vout );
 361         XCloseDisplay( p_vout->p_sys->p_display );
 362         free( p_vout->p_sys );
 363         return VLC_EGENERIC;
 364     }
 365
 366     /* Open and initialize device. */
 367     if( InitDisplay( p_vout ) )
 368     {
 369         msg_Err( p_vout, "cannot initialize X11 display" );
 370         DestroyCursor( p_vout );
 371         DestroyWindow( p_vout, &p_vout->p_sys->original_window );
 372         XCloseDisplay( p_vout->p_sys->p_display );
 373         free( p_vout->p_sys );
 374         return VLC_EGENERIC;
 375     }
 376
 377     /* Disable screen saver */
 378     DisableXScreenSaver( p_vout );
 379
 380     /* Misc init */
 381     p_vout->p_sys->b_altfullscreen = 0;
 382     p_vout->p_sys->i_time_button_last_pressed = 0;
 383
 384     TestNetWMSupport( p_vout );
 385
 386 #ifdef MODULE_NAME_IS_xvmc
 387     p_vout->p_sys->p_last_subtitle_save = NULL;
 388     psz_value = config_GetPsz( p_vout, "xvmc-deinterlace-mode" );
 389
 390     /* Look what method was requested */
 391     //var_Create( p_vout, "xvmc-deinterlace-mode", VLC_VAR_STRING );
 392     //var_Change( p_vout, "xvmc-deinterlace-mode", VLC_VAR_INHERITVALUE, &val, NULL );
 393     if( psz_value )
 394     {
 395         if( (strcmp(psz_value, "bob") == 0) ||
 396             (strcmp(psz_value, "blend") == 0) )
 397            p_vout->p_sys->xvmc_deinterlace_method = 2;
 398         else if (strcmp(psz_value, "discard") == 0)
 399            p_vout->p_sys->xvmc_deinterlace_method = 1;
 400         else
 401            p_vout->p_sys->xvmc_deinterlace_method = 0;
 402         free(psz_value );
 403     }
 404     else
 405         p_vout->p_sys->xvmc_deinterlace_method = 0;
 406
 407     /* Look what method was requested */
 408     //var_Create( p_vout, "xvmc-crop-style", VLC_VAR_STRING );
 409     //var_Change( p_vout, "xvmc-crop-style", VLC_VAR_INHERITVALUE, &val, NULL );
 410     psz_value = config_GetPsz( p_vout, "xvmc-crop-style" );
 411
 412     if( psz_value )
 413     {
 414         if( strncmp( psz_value, "eq", 2 ) == 0 )
 415            p_vout->p_sys->xvmc_crop_style = 1;
 416         else if( strncmp( psz_value, "4-16", 4 ) == 0)
 417            p_vout->p_sys->xvmc_crop_style = 2;
 418         else if( strncmp( psz_value, "16-4", 4 ) == 0)
 419            p_vout->p_sys->xvmc_crop_style = 3;
 420         else
 421            p_vout->p_sys->xvmc_crop_style = 0;
 422         free( psz_value );
 423     }
 424     else
 425         p_vout->p_sys->xvmc_crop_style = 0;
 426
 427     msg_Dbg(p_vout, "Deinterlace = %d", p_vout->p_sys->xvmc_deinterlace_method);
 428     msg_Dbg(p_vout, "Crop = %d", p_vout->p_sys->xvmc_crop_style);
 429
 430     if( checkXvMCCap( p_vout ) == VLC_EGENERIC )
 431     {
 432         msg_Err( p_vout, "no XVMC capability found" );
 433         Deactivate( p_vout );
 434         return VLC_EGENERIC;
 435     }
 436     subpicture_t sub_pic;
 437     sub_pic.p_sys = NULL;
 438     p_vout->p_sys->last_date = 0;
 439 #endif
 440
 441 #ifdef HAVE_XSP
 442     p_vout->p_sys->i_hw_scale = 1;
 443 #endif
 444
 445 #ifdef HAVE_OSSO
 446     p_vout->p_sys->i_backlight_on_counter = i_backlight_on_interval;
 447     p_vout->p_sys->p_octx = osso_initialize( "vlc", VERSION, 0, NULL );
 448     if ( p_vout->p_sys->p_octx == NULL ) {
 449         msg_Err( p_vout, "Could not get osso context" );
 450     } else {
 451         msg_Dbg( p_vout, "Initialized osso context" );
 452     }
 453 #endif
 454
 455     /* Variable to indicate if the window should be on top of others */
 456     /* Trigger a callback right now */
 457     var_Get( p_vout, "video-on-top", &val );
 458     var_Set( p_vout, "video-on-top", val );
 459
 460     return VLC_SUCCESS;
 461 }
 462
 463 /*****************************************************************************
 464  * Deactivate: destroy X11 video thread output method
 465  *****************************************************************************
 466  * Terminate an output method created by Open
 467  *****************************************************************************/
 468 void Deactivate ( vlc_object_t *p_this )
 469 {
 470     vout_thread_t *p_vout = (vout_thread_t *)p_this;
 471
 472     /* If the fullscreen window is still open, close it */
 473     if( p_vout->b_fullscreen )
 474     {
 475         ToggleFullScreen( p_vout );
 476     }
 477
 478     /* Restore cursor if it was blanked */
 479     if( !p_vout->p_sys->b_mouse_pointer_visible )
 480     {
 481         ToggleCursor( p_vout );
 482     }
 483
 484 #ifdef MODULE_NAME_IS_x11
 485     /* Destroy colormap */
 486     if( XDefaultDepth(p_vout->p_sys->p_display, p_vout->p_sys->i_screen) == 8 )
 487     {
 488         XFreeColormap( p_vout->p_sys->p_display, p_vout->p_sys->colormap );
 489     }
 490 #elif defined(MODULE_NAME_IS_xvideo)
 491     XVideoReleasePort( p_vout, p_vout->p_sys->i_xvport );
 492 #elif defined(MODULE_NAME_IS_xvmc)
 493     if( p_vout->p_sys->xvmc_cap )
 494     {
 495         xvmc_context_writer_lock( &p_vout->p_sys->xvmc_lock );
 496         xxmc_dispose_context( p_vout );
 497         if( p_vout->p_sys->old_subpic )
 498         {
 499             xxmc_xvmc_free_subpicture( p_vout, p_vout->p_sys->old_subpic );
 500             p_vout->p_sys->old_subpic = NULL;
 501         }
 502         if( p_vout->p_sys->new_subpic )
 503         {
 504             xxmc_xvmc_free_subpicture( p_vout, p_vout->p_sys->new_subpic );
 505             p_vout->p_sys->new_subpic = NULL;
 506         }
 507         free( p_vout->p_sys->xvmc_cap );
 508         xvmc_context_writer_unlock( &p_vout->p_sys->xvmc_lock );
 509     }
 510 #endif
 511
 512 #ifdef HAVE_XSP
 513     DisablePixelDoubling(p_vout);
 514 #endif
 515
 516     DestroyCursor( p_vout );
 517     EnableXScreenSaver( p_vout );
 518     DestroyWindow( p_vout, &p_vout->p_sys->original_window );
 519     XCloseDisplay( p_vout->p_sys->p_display );
 520
 521     /* Destroy structure */
 522     vlc_mutex_destroy( &p_vout->p_sys->lock );
 523 #ifdef MODULE_NAME_IS_xvmc
 524     free_context_lock( &p_vout->p_sys->xvmc_lock );
 525 #endif
 526
 527 #ifdef HAVE_OSSO
 528     if ( p_vout->p_sys->p_octx != NULL ) {
 529         msg_Dbg( p_vout, "Deinitializing osso context" );
 530         osso_deinitialize( p_vout->p_sys->p_octx );
 531     }
 532 #endif
 533
 534     free( p_vout->p_sys );
 535 }
 536
 537 #ifdef MODULE_NAME_IS_xvmc
 538
 539 #define XINE_IMGFMT_YV12 (('2'<<24)|('1'<<16)|('V'<<8)|'Y')
 540
 541 /* called xlocked */
 542 static int xvmc_check_yv12( Display *display, XvPortID port )
 543 {
 544     XvImageFormatValues *formatValues;
 545     int                  formats;
 546     int                  i;
 547
 548     formatValues = XvListImageFormats( display, port, &formats );
 549
 550     for( i = 0; i < formats; i++ )
 551     {
 552         if( ( formatValues[i].id == XINE_IMGFMT_YV12 ) &&
 553             ( !( strncmp( formatValues[i].guid, "YV12", 4 ) ) ) )
 554         {
 555             XFree (formatValues);
 556             return 0;
 557         }
 558     }
 559
 560     XFree (formatValues);
 561     return 1;
 562 }
 563
 564 static void xvmc_sync_surface( vout_thread_t *p_vout, XvMCSurface * srf )
 565 {
 566     XvMCSyncSurface( p_vout->p_sys->p_display, srf );
 567 }
 568
 569 static void xvmc_update_XV_DOUBLE_BUFFER( vout_thread_t *p_vout )
 570 {
 571     Atom         atom;
 572     int          xv_double_buffer;
 573
 574     xv_double_buffer = 1;
 575
 576     XLockDisplay( p_vout->p_sys->p_display );
 577     atom = XInternAtom( p_vout->p_sys->p_display, "XV_DOUBLE_BUFFER", False );
 578 #if 0
 579     XvSetPortAttribute (p_vout->p_sys->p_display, p_vout->p_sys->i_xvport, atom, xv_double_buffer);
 580 #endif
 581     XvMCSetAttribute( p_vout->p_sys->p_display, &p_vout->p_sys->context, atom, xv_double_buffer );
 582     XUnlockDisplay( p_vout->p_sys->p_display );
 583
 584     //xprintf(this->xine, XINE_VERBOSITY_DEBUG,
 585     //    "video_out_xxmc: double buffering mode = %d\n", xv_double_buffer);
 586 }
 587
 588 static void RenderVideo( vout_thread_t *p_vout, picture_t *p_pic )
 589 {
 590     vlc_xxmc_t *xxmc = NULL;
 591
 592     vlc_mutex_lock( &p_vout->p_sys->lock );
 593     xvmc_context_reader_lock( &p_vout->p_sys->xvmc_lock );
 594
 595     xxmc = &p_pic->p_sys->xxmc_data;
 596     if( (!xxmc->decoded ||
 597         !xxmc_xvmc_surface_valid( p_vout, p_pic->p_sys->xvmc_surf )) )
 598     {
 599         vlc_mutex_unlock( &p_vout->p_sys->lock );
 600         xvmc_context_reader_unlock( &p_vout->p_sys->xvmc_lock );
 601         return;
 602     }
 603
 604 #if 0
 605     vlc_mutex_lock( &p_vout->lastsubtitle_lock );
 606     if (p_vout->p_sys->p_last_subtitle != NULL)
 607     {
 608         if( p_vout->p_sys->p_last_subtitle_save != p_vout->p_sys->p_last_subtitle )
 609         {
 610             p_vout->p_sys->new_subpic =
 611                 xxmc_xvmc_alloc_subpicture( p_vout, &p_vout->p_sys->context,
 612                     p_vout->p_sys->xvmc_width,
 613                     p_vout->p_sys->xvmc_height,
 614                     p_vout->p_sys->xvmc_cap[p_vout->p_sys->xvmc_cur_cap].subPicType.id );
 615
 616             if (p_vout->p_sys->new_subpic)
 617             {
 618                 XVMCLOCKDISPLAY( p_vout->p_sys->p_display );
 619                 XvMCClearSubpicture( p_vout->p_sys->p_display,
 620                         p_vout->p_sys->new_subpic,
 621                         0,
 622                         0,
 623                         p_vout->p_sys->xvmc_width,
 624                         p_vout->p_sys->xvmc_height,
 625                         0x00 );
 626                 XVMCUNLOCKDISPLAY( p_vout->p_sys->p_display );
 627                 clear_xx44_palette( &p_vout->p_sys->palette );
 628
 629                 if( sub_pic.p_sys == NULL )
 630                 {
 631                     sub_pic.p_sys = malloc( sizeof( picture_sys_t ) );
 632                     if( sub_pic.p_sys != NULL )
 633                     {
 634                         sub_pic.p_sys->p_vout = p_vout;
 635                         sub_pic.p_sys->xvmc_surf = NULL;
 636                         sub_pic.p_sys->p_image = p_vout->p_sys->subImage;
 637                     }
 638                 }
 639                 sub_pic.p_sys->p_image = p_vout->p_sys->subImage;
 640                 sub_pic.p->p_pixels = sub_pic.p_sys->p_image->data;
 641                 sub_pic.p->i_pitch = p_vout->output.i_width;
 642
 643                 memset( p_vout->p_sys->subImage->data, 0,
 644                         (p_vout->p_sys->subImage->width * p_vout->p_sys->subImage->height) );
 645
 646                 if (p_vout->p_last_subtitle != NULL)
 647                 {
 648                     blend_xx44( p_vout->p_sys->subImage->data,
 649                                 p_vout->p_last_subtitle,
 650                                 p_vout->p_sys->subImage->width,
 651                                 p_vout->p_sys->subImage->height,
 652                                 p_vout->p_sys->subImage->width,
 653                                 &p_vout->p_sys->palette,
 654                                 (p_vout->p_sys->subImage->id == FOURCC_IA44) );
 655                 }
 656
 657                 XVMCLOCKDISPLAY( p_vout->p_sys->p_display );
 658                 XvMCCompositeSubpicture( p_vout->p_sys->p_display,
 659                                          p_vout->p_sys->new_subpic,
 660                                          p_vout->p_sys->subImage,
 661                                          0, /* overlay->x */
 662                                          0, /* overlay->y */
 663                                          p_vout->output.i_width, /* overlay->width, */
 664                                          p_vout->output.i_height, /* overlay->height */
 665                                          0, /* overlay->x */
 666                                          0 ); /*overlay->y */
 667                 XVMCUNLOCKDISPLAY( p_vout->p_sys->p_display );
 668                 if (p_vout->p_sys->old_subpic)
 669                 {
 670                     xxmc_xvmc_free_subpicture( p_vout,
 671                                                p_vout->p_sys->old_subpic);
 672                     p_vout->p_sys->old_subpic = NULL;
 673                 }
 674                 if (p_vout->p_sys->new_subpic)
 675                 {
 676                     p_vout->p_sys->old_subpic = p_vout->p_sys->new_subpic;
 677                     p_vout->p_sys->new_subpic = NULL;
 678                     xx44_to_xvmc_palette( &p_vout->p_sys->palette,
 679                             p_vout->p_sys->xvmc_palette,
 680                             0,
 681                             p_vout->p_sys->old_subpic->num_palette_entries,
 682                             p_vout->p_sys->old_subpic->entry_bytes,
 683                             p_vout->p_sys->old_subpic->component_order );
 684                     XVMCLOCKDISPLAY( p_vout->p_sys->p_display );
 685                     XvMCSetSubpicturePalette( p_vout->p_sys->p_display,
 686                                               p_vout->p_sys->old_subpic,
 687                                               p_vout->p_sys->xvmc_palette );
 688                     XvMCFlushSubpicture( p_vout->p_sys->p_display,
 689                                          p_vout->p_sys->old_subpic);
 690                     XvMCSyncSubpicture( p_vout->p_sys->p_display,
 691                                         p_vout->p_sys->old_subpic );
 692                     XVMCUNLOCKDISPLAY( p_vout->p_sys->p_display );
 693                 }
 694
 695                 XVMCLOCKDISPLAY( p_vout->p_sys->p_display);
 696                 if (p_vout->p_sys->xvmc_backend_subpic )
 697                 {
 698                     XvMCBlendSubpicture( p_vout->p_sys->p_display,
 699                                          p_pic->p_sys->xvmc_surf,
 700                                          p_vout->p_sys->old_subpic,
 701                                          0,
 702                                          0,
 703                                          p_vout->p_sys->xvmc_width,
 704                                          p_vout->p_sys->xvmc_height,
 705                                          0,
 706                                          0,
 707                                          p_vout->p_sys->xvmc_width,
 708                                          p_vout->p_sys->xvmc_height );
 709                 }
 710                 else
 711                 {
 712                     XvMCBlendSubpicture2( p_vout->p_sys->p_display,
 713                                           p_pic->p_sys->xvmc_surf,
 714                                           p_pic->p_sys->xvmc_surf,
 715                                           p_vout->p_sys->old_subpic,
 716                                           0,
 717                                           0,
 718                                           p_vout->p_sys->xvmc_width,
 719                                           p_vout->p_sys->xvmc_height,
 720                                           0,
 721                                           0,
 722                                           p_vout->p_sys->xvmc_width,
 723                                           p_vout->p_sys->xvmc_height );
 724                }
 725                XVMCUNLOCKDISPLAY(p_vout->p_sys->p_display);
 726             }
 727         }
 728         else
 729         {
 730             XVMCLOCKDISPLAY( p_vout->p_sys->p_display );
 731             if( p_vout->p_sys->xvmc_backend_subpic )
 732             {
 733                 XvMCBlendSubpicture( p_vout->p_sys->p_display,
 734                                      p_pic->p_sys->xvmc_surf,
 735                                      p_vout->p_sys->old_subpic,
 736                                      0, 0,
 737                                      p_vout->p_sys->xvmc_width,
 738                                      p_vout->p_sys->xvmc_height,
 739                                      0, 0,
 740                                      p_vout->p_sys->xvmc_width,
 741                                      p_vout->p_sys->xvmc_height );
 742             }
 743             else
 744             {
 745                 XvMCBlendSubpicture2( p_vout->p_sys->p_display,
 746                                       p_pic->p_sys->xvmc_surf,
 747                                       p_pic->p_sys->xvmc_surf,
 748                                       p_vout->p_sys->old_subpic,
 749                                       0, 0,
 750                                       p_vout->p_sys->xvmc_width,
 751                                       p_vout->p_sys->xvmc_height,
 752                                       0, 0,
 753                                       p_vout->p_sys->xvmc_width,
 754                                       p_vout->p_sys->xvmc_height );
 755             }
 756             XVMCUNLOCKDISPLAY( p_vout->p_sys->p_display );
 757         }
 758     }
 759     p_vout->p_sys->p_last_subtitle_save = p_vout->p_last_subtitle;
 760
 761     vlc_mutex_unlock( &p_vout->lastsubtitle_lock );
 762 #endif
 763     xvmc_context_reader_unlock( &p_vout->p_sys->xvmc_lock );
 764
 765     vlc_mutex_unlock( &p_vout->p_sys->lock );
 766 }
 767 #endif
 768
 769 #ifdef HAVE_XSP
 770 /*****************************************************************************
 771  * EnablePixelDoubling: Enables pixel doubling
 772  *****************************************************************************
 773  * Checks if the double size image fits in current window, and enables pixel
 774  * doubling accordingly. The i_hw_scale is the integer scaling factor.
 775  *****************************************************************************/
 776 static void EnablePixelDoubling( vout_thread_t *p_vout )
 777 {
 778     int i_hor_scale = ( p_vout->p_sys->p_win->i_width ) / p_vout->render.i_width;
 779     int i_vert_scale =  ( p_vout->p_sys->p_win->i_height ) / p_vout->render.i_height;
 780     if ( ( i_hor_scale > 1 ) && ( i_vert_scale > 1 ) ) {
 781         p_vout->p_sys->i_hw_scale = 2;
 782         msg_Dbg( p_vout, "Enabling pixel doubling, scaling factor %d", p_vout->p_sys->i_hw_scale );
 783         XSPSetPixelDoubling( p_vout->p_sys->p_display, 0, 1 );
 784     }
 785 }
 786
 787 /*****************************************************************************
 788  * DisablePixelDoubling: Disables pixel doubling
 789  *****************************************************************************
 790  * The scaling factor i_hw_scale is reset to the no-scaling value 1.
 791  *****************************************************************************/
 792 static void DisablePixelDoubling( vout_thread_t *p_vout )
 793 {
 794     if ( p_vout->p_sys->i_hw_scale > 1 ) {
 795         msg_Dbg( p_vout, "Disabling pixel doubling" );
 796         XSPSetPixelDoubling( p_vout->p_sys->p_display, 0, 0 );
 797         p_vout->p_sys->i_hw_scale = 1;
 798     }
 799 }
 800 #endif
 801
 802
 803
 804 /*****************************************************************************
 805  * InitVideo: initialize X11 video thread output method
 806  *****************************************************************************
 807  * This function create the XImages needed by the output thread. It is called
 808  * at the beginning of the thread, but also each time the window is resized.
 809  *****************************************************************************/
 810 static int InitVideo( vout_thread_t *p_vout )
 811 {
 812     unsigned int i_index = 0;
 813     picture_t *p_pic;
 814
 815     I_OUTPUTPICTURES = 0;
 816
 817 #if defined(MODULE_NAME_IS_xvideo) || defined(MODULE_NAME_IS_xvmc)
 818     /* Initialize the output structure; we already found an XVideo port,
 819      * and the corresponding chroma we will be using. Since we can
 820      * arbitrary scale, stick to the coordinates and aspect. */
 821     p_vout->output.i_width  = p_vout->render.i_width;
 822     p_vout->output.i_height = p_vout->render.i_height;
 823     p_vout->output.i_aspect = p_vout->render.i_aspect;
 824
 825     p_vout->fmt_out = p_vout->fmt_in;
 826     p_vout->fmt_out.i_chroma = p_vout->output.i_chroma;
 827
 828 #if XvVersion < 2 || ( XvVersion == 2 && XvRevision < 2 )
 829     switch( p_vout->output.i_chroma )
 830     {
 831         case VLC_FOURCC('R','V','1','6'):
 832 #if defined( WORDS_BIGENDIAN )
 833             p_vout->output.i_rmask = 0xf800;
 834             p_vout->output.i_gmask = 0x07e0;
 835             p_vout->output.i_bmask = 0x001f;
 836 #else
 837             p_vout->output.i_rmask = 0x001f;
 838             p_vout->output.i_gmask = 0x07e0;
 839             p_vout->output.i_bmask = 0xf800;
 840 #endif
 841             break;
 842         case VLC_FOURCC('R','V','1','5'):
 843 #if defined( WORDS_BIGENDIAN )
 844             p_vout->output.i_rmask = 0x7c00;
 845             p_vout->output.i_gmask = 0x03e0;
 846             p_vout->output.i_bmask = 0x001f;
 847 #else
 848             p_vout->output.i_rmask = 0x001f;
 849             p_vout->output.i_gmask = 0x03e0;
 850             p_vout->output.i_bmask = 0x7c00;
 851 #endif
 852             break;
 853     }
 854 #endif
 855
 856 #elif defined(MODULE_NAME_IS_x11)
 857     /* Initialize the output structure: RGB with square pixels, whatever
 858      * the input format is, since it's the only format we know */
 859     switch( p_vout->p_sys->i_screen_depth )
 860     {
 861         case 8: /* FIXME: set the palette */
 862             p_vout->output.i_chroma = VLC_FOURCC('R','G','B','2'); break;
 863         case 15:
 864             p_vout->output.i_chroma = VLC_FOURCC('R','V','1','5'); break;
 865         case 16:
 866             p_vout->output.i_chroma = VLC_FOURCC('R','V','1','6'); break;
 867         case 24:
 868         case 32:
 869             p_vout->output.i_chroma = VLC_FOURCC('R','V','3','2'); break;
 870         default:
 871             msg_Err( p_vout, "unknown screen depth %i",
 872                      p_vout->p_sys->i_screen_depth );
 873             return VLC_SUCCESS;
 874     }
 875
 876 #ifdef HAVE_XSP
 877     vout_PlacePicture( p_vout, p_vout->p_sys->p_win->i_width  / p_vout->p_sys->i_hw_scale,
 878                        p_vout->p_sys->p_win->i_height  / p_vout->p_sys->i_hw_scale,
 879                        &i_index, &i_index,
 880                        &p_vout->fmt_out.i_visible_width,
 881                        &p_vout->fmt_out.i_visible_height );
 882 #else
 883     vout_PlacePicture( p_vout, p_vout->p_sys->p_win->i_width,
 884                        p_vout->p_sys->p_win->i_height,
 885                        &i_index, &i_index,
 886                        &p_vout->fmt_out.i_visible_width,
 887                        &p_vout->fmt_out.i_visible_height );
 888 #endif
 889
 890     p_vout->fmt_out.i_chroma = p_vout->output.i_chroma;
 891
 892     p_vout->output.i_width = p_vout->fmt_out.i_width =
 893         p_vout->fmt_out.i_visible_width * p_vout->fmt_in.i_width /
 894         p_vout->fmt_in.i_visible_width;
 895     p_vout->output.i_height = p_vout->fmt_out.i_height =
 896         p_vout->fmt_out.i_visible_height * p_vout->fmt_in.i_height /
 897         p_vout->fmt_in.i_visible_height;
 898     p_vout->fmt_out.i_x_offset =
 899         p_vout->fmt_out.i_visible_width * p_vout->fmt_in.i_x_offset /
 900         p_vout->fmt_in.i_visible_width;
 901     p_vout->fmt_out.i_y_offset =
 902         p_vout->fmt_out.i_visible_height * p_vout->fmt_in.i_y_offset /
 903         p_vout->fmt_in.i_visible_height;
 904
 905     p_vout->fmt_out.i_sar_num = p_vout->fmt_out.i_sar_den = 1;
 906     p_vout->output.i_aspect = p_vout->fmt_out.i_aspect =
 907         p_vout->fmt_out.i_width * VOUT_ASPECT_FACTOR /p_vout->fmt_out.i_height;
 908
 909     msg_Dbg( p_vout, "x11 image size %ix%i (%i,%i,%ix%i)",
 910              p_vout->fmt_out.i_width, p_vout->fmt_out.i_height,
 911              p_vout->fmt_out.i_x_offset, p_vout->fmt_out.i_y_offset,
 912              p_vout->fmt_out.i_visible_width,
 913              p_vout->fmt_out.i_visible_height );
 914 #endif
 915
 916     /* Try to initialize up to MAX_DIRECTBUFFERS direct buffers */
 917     while( I_OUTPUTPICTURES < MAX_DIRECTBUFFERS )
 918     {
 919         p_pic = NULL;
 920
 921         /* Find an empty picture slot */
 922         for( i_index = 0 ; i_index < VOUT_MAX_PICTURES ; i_index++ )
 923         {
 924           if( p_vout->p_picture[ i_index ].i_status == FREE_PICTURE )
 925             {
 926                 p_pic = p_vout->p_picture + i_index;
 927                 break;
 928             }
 929         }
 930
 931         /* Allocate the picture */
 932         if( p_pic == NULL || NewPicture( p_vout, p_pic ) )
 933         {
 934             break;
 935         }
 936
 937         p_pic->i_status = DESTROYED_PICTURE;
 938         p_pic->i_type   = DIRECT_PICTURE;
 939
 940         PP_OUTPUTPICTURE[ I_OUTPUTPICTURES ] = p_pic;
 941
 942         I_OUTPUTPICTURES++;
 943     }
 944
 945     if( p_vout->output.i_chroma == VLC_FOURCC('Y','V','1','2') )
 946     {
 947         /* U and V inverted compared to I420
 948          * Fixme: this should be handled by the vout core */
 949         p_vout->output.i_chroma = VLC_FOURCC('I','4','2','0');
 950         p_vout->fmt_out.i_chroma = VLC_FOURCC('I','4','2','0');
 951     }
 952
 953     return VLC_SUCCESS;
 954 }
 955
 956 /*****************************************************************************
 957  * DisplayVideo: displays previously rendered output
 958  *****************************************************************************
 959  * This function sends the currently rendered image to X11 server.
 960  * (The Xv extension takes care of "double-buffering".)
 961  *****************************************************************************/
 962 static void DisplayVideo( vout_thread_t *p_vout, picture_t *p_pic )
 963 {
 964     unsigned int i_width, i_height, i_x, i_y;
 965
 966     vout_PlacePicture( p_vout, p_vout->p_sys->p_win->i_width,
 967                        p_vout->p_sys->p_win->i_height,
 968                        &i_x, &i_y, &i_width, &i_height );
 969
 970     vlc_mutex_lock( &p_vout->p_sys->lock );
 971
 972 #ifdef MODULE_NAME_IS_xvmc
 973     xvmc_context_reader_lock( &p_vout->p_sys->xvmc_lock );
 974
 975     vlc_xxmc_t *xxmc = &p_pic->p_sys->xxmc_data;
 976     if( !xxmc->decoded ||
 977         !xxmc_xvmc_surface_valid( p_vout, p_pic->p_sys->xvmc_surf ) )
 978     {
 979       msg_Dbg( p_vout, "DisplayVideo decoded=%d\tsurfacevalid=%d",
 980                xxmc->decoded,
 981                xxmc_xvmc_surface_valid( p_vout, p_pic->p_sys->xvmc_surf ) );
 982       vlc_mutex_unlock( &p_vout->p_sys->lock );
 983       xvmc_context_reader_unlock( &p_vout->p_sys->xvmc_lock );
 984       return;
 985     }
 986
 987     int src_width = p_vout->output.i_width;
 988     int src_height = p_vout->output.i_height;
 989     int src_x, src_y;
 990
 991     if( p_vout->p_sys->xvmc_crop_style == 1 )
 992     {
 993         src_x = 20;
 994         src_y = 20;
 995         src_width -= 40;
 996         src_height -= 40;
 997     }
 998     else if( p_vout->p_sys->xvmc_crop_style == 2 )
 999     {
1000         src_x = 20;
1001         src_y = 40;
1002         src_width -= 40;
1003         src_height -= 80;
1004     }
1005     else if( p_vout->p_sys->xvmc_crop_style == 3 )
1006     {
1007         src_x = 40;
1008         src_y = 20;
1009         src_width -= 80;
1010         src_height -= 40;
1011     }
1012     else
1013     {
1014         src_x = 0;
1015         src_y = 0;
1016     }
1017
1018     int first_field;
1019     if( p_vout->p_sys->xvmc_deinterlace_method > 0 )
1020     {   /* BOB DEINTERLACE */
1021         if( (p_pic->p_sys->nb_display == 0) ||
1022             (p_vout->p_sys->xvmc_deinterlace_method == 1) )
1023         {
1024             first_field = (p_pic->b_top_field_first) ?
1025                                 XVMC_BOTTOM_FIELD : XVMC_TOP_FIELD;
1026         }
1027         else
1028         {
1029             first_field = (p_pic->b_top_field_first) ?
1030                                 XVMC_TOP_FIELD : XVMC_BOTTOM_FIELD;
1031         }
1032     }
1033     else
1034     {
1035         first_field = XVMC_FRAME_PICTURE;
1036      }
1037
1038     XVMCLOCKDISPLAY( p_vout->p_sys->p_display );
1039     XvMCFlushSurface( p_vout->p_sys->p_display, p_pic->p_sys->xvmc_surf );
1040     /* XvMCSyncSurface(p_vout->p_sys->p_display, p_picture->p_sys->xvmc_surf); */
1041     XvMCPutSurface( p_vout->p_sys->p_display,
1042                     p_pic->p_sys->xvmc_surf,
1043                     p_vout->p_sys->p_win->video_window,
1044                     src_x,
1045                     src_y,
1046                     src_width,
1047                     src_height,
1048                     0 /*dest_x*/,
1049                     0 /*dest_y*/,
1050                     i_width,
1051                     i_height,
1052                     first_field);
1053
1054     XVMCUNLOCKDISPLAY( p_vout->p_sys->p_display );
1055     if( p_vout->p_sys->xvmc_deinterlace_method == 2 )
1056     {   /* BOB DEINTERLACE */
1057         if( p_pic->p_sys->nb_display == 0 )/* && ((t2-t1) < 15000)) */
1058         {
1059             mtime_t last_date = p_pic->date;
1060
1061             vlc_mutex_lock( &p_vout->picture_lock );
1062             if( !p_vout->p_sys->last_date )
1063             {
1064                 p_pic->date += 20000;
1065             }
1066             else
1067             {
1068                 p_pic->date = ((3 * p_pic->date -
1069                                     p_vout->p_sys->last_date) / 2 );
1070             }
1071             p_vout->p_sys->last_date = last_date;
1072             p_pic->b_force = 1;
1073             p_pic->p_sys->nb_display = 1;
1074             vlc_mutex_unlock( &p_vout->picture_lock );
1075         }
1076         else
1077         {
1078             p_pic->p_sys->nb_display = 0;
1079             p_pic->b_force = 0;
1080         }
1081     }
1082     xvmc_context_reader_unlock( &p_vout->p_sys->xvmc_lock );
1083 #endif
1084
1085 #ifdef HAVE_SYS_SHM_H
1086     if( p_vout->p_sys->i_shm_opcode )
1087     {
1088         /* Display rendered image using shared memory extension */
1089 #   if defined(MODULE_NAME_IS_xvideo) || defined(MODULE_NAME_IS_xvmc)
1090         XvShmPutImage( p_vout->p_sys->p_display, p_vout->p_sys->i_xvport,
1091                        p_vout->p_sys->p_win->video_window,
1092                        p_vout->p_sys->p_win->gc, p_pic->p_sys->p_image,
1093                        p_vout->fmt_out.i_x_offset,
1094                        p_vout->fmt_out.i_y_offset,
1095                        p_vout->fmt_out.i_visible_width,
1096                        p_vout->fmt_out.i_visible_height,
1097                        0 /*dest_x*/, 0 /*dest_y*/, i_width, i_height,
1098                        False /* Don't put True here or you'll waste your CPU */ );
1099 #   else
1100         XShmPutImage( p_vout->p_sys->p_display,
1101                       p_vout->p_sys->p_win->video_window,
1102                       p_vout->p_sys->p_win->gc, p_pic->p_sys->p_image,
1103                       p_vout->fmt_out.i_x_offset,
1104                       p_vout->fmt_out.i_y_offset,
1105                       0 /*dest_x*/, 0 /*dest_y*/,
1106                       p_vout->fmt_out.i_visible_width,
1107                       p_vout->fmt_out.i_visible_height,
1108                       False /* Don't put True here ! */ );
1109 #   endif
1110     }
1111     else
1112 #endif /* HAVE_SYS_SHM_H */
1113     {
1114         /* Use standard XPutImage -- this is gonna be slow ! */
1115 #if defined(MODULE_NAME_IS_xvideo) || defined(MODULE_NAME_IS_xvmc)
1116         XvPutImage( p_vout->p_sys->p_display, p_vout->p_sys->i_xvport,
1117                     p_vout->p_sys->p_win->video_window,
1118                     p_vout->p_sys->p_win->gc, p_pic->p_sys->p_image,
1119                     p_vout->fmt_out.i_x_offset,
1120                     p_vout->fmt_out.i_y_offset,
1121                     p_vout->fmt_out.i_visible_width,
1122                     p_vout->fmt_out.i_visible_height,
1123                     0 /*dest_x*/, 0 /*dest_y*/, i_width, i_height );
1124 #else
1125         XPutImage( p_vout->p_sys->p_display,
1126                    p_vout->p_sys->p_win->video_window,
1127                    p_vout->p_sys->p_win->gc, p_pic->p_sys->p_image,
1128                    p_vout->fmt_out.i_x_offset,
1129                    p_vout->fmt_out.i_y_offset,
1130                    0 /*dest_x*/, 0 /*dest_y*/,
1131                    p_vout->fmt_out.i_visible_width,
1132                    p_vout->fmt_out.i_visible_height );
1133 #endif
1134     }
1135
1136     /* Make sure the command is sent now - do NOT use XFlush !*/
1137     XSync( p_vout->p_sys->p_display, False );
1138
1139     vlc_mutex_unlock( &p_vout->p_sys->lock );
1140 }
1141
1142 /*****************************************************************************
1143  * ManageVideo: handle X11 events
1144  *****************************************************************************
1145  * This function should be called regularly by video output thread. It manages
1146  * X11 events and allows window resizing. It returns a non null value on
1147  * error.
1148  *****************************************************************************/
1149 static int ManageVideo( vout_thread_t *p_vout )
1150 {
1151     XEvent      xevent;                                         /* X11 event */
1152     vlc_value_t val;
1153
1154     vlc_mutex_lock( &p_vout->p_sys->lock );
1155
1156 #ifdef MODULE_NAME_IS_xvmc
1157     xvmc_context_reader_lock( &p_vout->p_sys->xvmc_lock );
1158 #endif
1159
1160     /* Handle events from the owner window */
1161     if( p_vout->p_sys->p_win->owner_window )
1162     {
1163         while( XCheckWindowEvent( p_vout->p_sys->p_display,
1164                                   p_vout->p_sys->p_win->owner_window->handle,
1165                                   StructureNotifyMask, &xevent ) == True )
1166         {
1167             /* ConfigureNotify event: prepare  */
1168             if( xevent.type == ConfigureNotify )
1169             {
1170                 /* Update dimensions */
1171                 XResizeWindow( p_vout->p_sys->p_display,
1172                                p_vout->p_sys->p_win->base_window,
1173                                xevent.xconfigure.width,
1174                                xevent.xconfigure.height );
1175             }
1176         }
1177     }
1178
1179     /* Handle X11 events: ConfigureNotify events are parsed to know if the
1180      * output window's size changed, MapNotify and UnmapNotify to know if the
1181      * window is mapped (and if the display is useful), and ClientMessages
1182      * to intercept window destruction requests */
1183
1184     while( XCheckWindowEvent( p_vout->p_sys->p_display,
1185                               p_vout->p_sys->p_win->base_window,
1186                               StructureNotifyMask | KeyPressMask |
1187                               ButtonPressMask | ButtonReleaseMask |
1188                               PointerMotionMask | Button1MotionMask , &xevent )
1189            == True )
1190     {
1191         /* ConfigureNotify event: prepare  */
1192         if( xevent.type == ConfigureNotify )
1193         {
1194             if( (unsigned int)xevent.xconfigure.width
1195                    != p_vout->p_sys->p_win->i_width
1196               || (unsigned int)xevent.xconfigure.height
1197                     != p_vout->p_sys->p_win->i_height )
1198             {
1199                 /* Update dimensions */
1200                 p_vout->i_changes |= VOUT_SIZE_CHANGE;
1201                 p_vout->p_sys->p_win->i_width = xevent.xconfigure.width;
1202                 p_vout->p_sys->p_win->i_height = xevent.xconfigure.height;
1203             }
1204         }
1205         /* Keyboard event */
1206         else if( xevent.type == KeyPress )
1207         {
1208             unsigned int state = xevent.xkey.state;
1209             KeySym x_key_symbol;
1210             char i_key;                                   /* ISO Latin-1 key */
1211
1212             /* We may have keys like F1 trough F12, ESC ... */
1213             x_key_symbol = XKeycodeToKeysym( p_vout->p_sys->p_display,
1214                                              xevent.xkey.keycode, 0 );
1215             val.i_int = ConvertKey( (int)x_key_symbol );
1216
1217             xevent.xkey.state &= ~ShiftMask;
1218             xevent.xkey.state &= ~ControlMask;
1219             xevent.xkey.state &= ~Mod1Mask;
1220
1221             if( !val.i_int &&
1222                 XLookupString( &xevent.xkey, &i_key, 1, NULL, NULL ) )
1223             {
1224                 /* "Normal Keys"
1225                  * The reason why I use this instead of XK_0 is that
1226                  * with XLookupString, we don't have to care about
1227                  * keymaps. */
1228                 val.i_int = i_key;
1229             }
1230
1231             if( val.i_int )
1232             {
1233                 if( state & ShiftMask )
1234                 {
1235                     val.i_int |= KEY_MODIFIER_SHIFT;
1236                 }
1237                 if( state & ControlMask )
1238                 {
1239                     val.i_int |= KEY_MODIFIER_CTRL;
1240                 }
1241                 if( state & Mod1Mask )
1242                 {
1243                     val.i_int |= KEY_MODIFIER_ALT;
1244                 }
1245                 var_Set( p_vout->p_libvlc, "key-pressed", val );
1246             }
1247         }
1248         /* Mouse click */
1249         else if( xevent.type == ButtonPress )
1250         {
1251             switch( ((XButtonEvent *)&xevent)->button )
1252             {
1253                 case Button1:
1254                     var_Get( p_vout, "mouse-button-down", &val );
1255                     val.i_int |= 1;
1256                     var_Set( p_vout, "mouse-button-down", val );
1257
1258                     /* detect double-clicks */
1259                     if( ( ((XButtonEvent *)&xevent)->time -
1260                           p_vout->p_sys->i_time_button_last_pressed ) < 300 )
1261                     {
1262                         p_vout->i_changes |= VOUT_FULLSCREEN_CHANGE;
1263                     }
1264
1265                     p_vout->p_sys->i_time_button_last_pressed =
1266                         ((XButtonEvent *)&xevent)->time;
1267                     break;
1268                 case Button2:
1269                     var_Get( p_vout, "mouse-button-down", &val );
1270                     val.i_int |= 2;
1271                     var_Set( p_vout, "mouse-button-down", val );
1272                     break;
1273
1274                 case Button3:
1275                     var_Get( p_vout, "mouse-button-down", &val );
1276                     val.i_int |= 4;
1277                     var_Set( p_vout, "mouse-button-down", val );
1278                     break;
1279
1280                 case Button4:
1281                     var_Get( p_vout, "mouse-button-down", &val );
1282                     val.i_int |= 8;
1283                     var_Set( p_vout, "mouse-button-down", val );
1284                     break;
1285
1286                 case Button5:
1287                     var_Get( p_vout, "mouse-button-down", &val );
1288                     val.i_int |= 16;
1289                     var_Set( p_vout, "mouse-button-down", val );
1290                     break;
1291             }
1292         }
1293         /* Mouse release */
1294         else if( xevent.type == ButtonRelease )
1295         {
1296             switch( ((XButtonEvent *)&xevent)->button )
1297             {
1298                 case Button1:
1299                     {
1300                         var_Get( p_vout, "mouse-button-down", &val );
1301                         val.i_int &= ~1;
1302                         var_Set( p_vout, "mouse-button-down", val );
1303
1304                         val.b_bool = true;
1305                         var_Set( p_vout, "mouse-clicked", val );
1306
1307                         vlc_value_t val; val.b_bool = false;
1308                         var_Set( p_vout->p_libvlc, "intf-popupmenu", val );
1309                     }
1310                     break;
1311
1312                 case Button2:
1313                     {
1314                         var_Get( p_vout, "mouse-button-down", &val );
1315                         val.i_int &= ~2;
1316                         var_Set( p_vout, "mouse-button-down", val );
1317
1318                         var_Get( p_vout->p_libvlc, "intf-show", &val );
1319                         val.b_bool = !val.b_bool;
1320                         var_Set( p_vout->p_libvlc, "intf-show", val );
1321                     }
1322                     break;
1323
1324                 case Button3:
1325                     {
1326                         intf_thread_t *p_intf;
1327
1328                         var_Get( p_vout, "mouse-button-down", &val );
1329                         val.i_int &= ~4;
1330                         var_Set( p_vout, "mouse-button-down", val );
1331
1332                         vlc_value_t val; val.b_bool = true;
1333                         var_Set( p_vout->p_libvlc, "intf-popupmenu", val );
1334                     }
1335                     break;
1336
1337                 case Button4:
1338                     var_Get( p_vout, "mouse-button-down", &val );
1339                     val.i_int &= ~8;
1340                     var_Set( p_vout, "mouse-button-down", val );
1341                     break;
1342
1343                 case Button5:
1344                     var_Get( p_vout, "mouse-button-down", &val );
1345                     val.i_int &= ~16;
1346                     var_Set( p_vout, "mouse-button-down", val );
1347                     break;
1348
1349             }
1350         }
1351         /* Mouse move */
1352         else if( xevent.type == MotionNotify )
1353         {
1354             unsigned int i_width, i_height, i_x, i_y;
1355             vlc_value_t val;
1356
1357             /* somewhat different use for vout_PlacePicture:
1358              * here the values are needed to give to mouse coordinates
1359              * in the original picture space */
1360             vout_PlacePicture( p_vout, p_vout->p_sys->p_win->i_width,
1361                                p_vout->p_sys->p_win->i_height,
1362                                &i_x, &i_y, &i_width, &i_height );
1363
1364             /* Compute the x coordinate and check if the value is
1365                in [0,p_vout->fmt_in.i_visible_width] */
1366             val.i_int = ( xevent.xmotion.x - i_x ) *
1367                 p_vout->fmt_in.i_visible_width / i_width +
1368                 p_vout->fmt_in.i_x_offset;
1369
1370             if( (int)(xevent.xmotion.x - i_x) < 0 )
1371                 val.i_int = 0;
1372             else if( (unsigned int)val.i_int > p_vout->fmt_in.i_visible_width )
1373                 val.i_int = p_vout->fmt_in.i_visible_width;
1374
1375             var_Set( p_vout, "mouse-x", val );
1376
1377             /* compute the y coordinate and check if the value is
1378                in [0,p_vout->fmt_in.i_visible_height] */
1379             val.i_int = ( xevent.xmotion.y - i_y ) *
1380                 p_vout->fmt_in.i_visible_height / i_height +
1381                 p_vout->fmt_in.i_y_offset;
1382
1383             if( (int)(xevent.xmotion.y - i_y) < 0 )
1384                 val.i_int = 0;
1385             else if( (unsigned int)val.i_int > p_vout->fmt_in.i_visible_height )
1386                 val.i_int = p_vout->fmt_in.i_visible_height;
1387
1388             var_Set( p_vout, "mouse-y", val );
1389
1390             val.b_bool = true;
1391             var_Set( p_vout, "mouse-moved", val );
1392
1393             p_vout->p_sys->i_time_mouse_last_moved = mdate();
1394             if( ! p_vout->p_sys->b_mouse_pointer_visible )
1395             {
1396                 ToggleCursor( p_vout );
1397             }
1398         }
1399         else if( xevent.type == ReparentNotify /* XXX: why do we get this? */
1400                   || xevent.type == MapNotify
1401                   || xevent.type == UnmapNotify )
1402         {
1403             /* Ignore these events */
1404         }
1405         else /* Other events */
1406         {
1407             msg_Warn( p_vout, "unhandled event %d received", xevent.type );
1408         }
1409     }
1410
1411     /* Handle events for video output sub-window */
1412     while( XCheckWindowEvent( p_vout->p_sys->p_display,
1413                               p_vout->p_sys->p_win->video_window,
1414                               ExposureMask, &xevent ) == True )
1415     {
1416         /* Window exposed (only handled if stream playback is paused) */
1417         if( xevent.type == Expose )
1418         {
1419             if( ((XExposeEvent *)&xevent)->count == 0 )
1420             {
1421                 /* (if this is the last a collection of expose events...) */
1422
1423 #if defined(MODULE_NAME_IS_xvideo)
1424                 x11_window_t *p_win = p_vout->p_sys->p_win;
1425
1426                 /* Paint the colour key if needed */
1427                 if( p_vout->p_sys->b_paint_colourkey &&
1428                     xevent.xexpose.window == p_win->video_window )
1429                 {
1430                     XSetForeground( p_vout->p_sys->p_display,
1431                                     p_win->gc, p_vout->p_sys->i_colourkey );
1432                     XFillRectangle( p_vout->p_sys->p_display,
1433                                     p_win->video_window, p_win->gc, 0, 0,
1434                                     p_win->i_width, p_win->i_height );
1435                 }
1436 #endif
1437
1438 #if 0
1439                 if( p_vout->p_libvlc->p_input_bank->pp_input[0] != NULL )
1440                 {
1441                     if( PAUSE_S == p_vout->p_libvlc->p_input_bank->pp_input[0]
1442                                                    ->stream.control.i_status )
1443                     {
1444                         /* XVideoDisplay( p_vout )*/;
1445                     }
1446                 }
1447 #endif
1448             }
1449         }
1450     }
1451
1452     /* ClientMessage event - only WM_PROTOCOLS with WM_DELETE_WINDOW data
1453      * are handled - according to the man pages, the format is always 32
1454      * in this case */
1455     while( XCheckTypedEvent( p_vout->p_sys->p_display,
1456                              ClientMessage, &xevent ) )
1457     {
1458         if( (xevent.xclient.message_type == p_vout->p_sys->p_win->wm_protocols)
1459                && ((Atom)xevent.xclient.data.l[0]
1460                      == p_vout->p_sys->p_win->wm_delete_window ) )
1461         {
1462             /* the user wants to close the window */
1463             playlist_t * p_playlist = pl_Hold( p_vout );
1464             if( p_playlist != NULL )
1465             {
1466                 playlist_Stop( p_playlist );
1467                 pl_Release( p_vout );
1468             }
1469         }
1470     }
1471
1472     /*
1473      * Fullscreen Change
1474      */
1475     if ( p_vout->i_changes & VOUT_FULLSCREEN_CHANGE )
1476     {
1477         /* Update the object variable and trigger callback */
1478         var_SetBool( p_vout, "fullscreen", !p_vout->b_fullscreen );
1479
1480         ToggleFullScreen( p_vout );
1481         p_vout->i_changes &= ~VOUT_FULLSCREEN_CHANGE;
1482     }
1483
1484     if( p_vout->i_changes & VOUT_CROP_CHANGE ||
1485         p_vout->i_changes & VOUT_ASPECT_CHANGE )
1486     {
1487         p_vout->i_changes &= ~VOUT_CROP_CHANGE;
1488         p_vout->i_changes &= ~VOUT_ASPECT_CHANGE;
1489
1490         p_vout->fmt_out.i_x_offset = p_vout->fmt_in.i_x_offset;
1491         p_vout->fmt_out.i_y_offset = p_vout->fmt_in.i_y_offset;
1492         p_vout->fmt_out.i_visible_width = p_vout->fmt_in.i_visible_width;
1493         p_vout->fmt_out.i_visible_height = p_vout->fmt_in.i_visible_height;
1494         p_vout->fmt_out.i_aspect = p_vout->fmt_in.i_aspect;
1495         p_vout->fmt_out.i_sar_num = p_vout->fmt_in.i_sar_num;
1496         p_vout->fmt_out.i_sar_den = p_vout->fmt_in.i_sar_den;
1497         p_vout->output.i_aspect = p_vout->fmt_in.i_aspect;
1498
1499         p_vout->i_changes |= VOUT_SIZE_CHANGE;
1500     }
1501
1502     /*
1503      * Size change
1504      *
1505      * (Needs to be placed after VOUT_FULLSREEN_CHANGE because we can activate
1506      *  the size flag inside the fullscreen routine)
1507      */
1508     if( p_vout->i_changes & VOUT_SIZE_CHANGE )
1509     {
1510         unsigned int i_width, i_height, i_x, i_y;
1511
1512         p_vout->i_changes &= ~VOUT_SIZE_CHANGE;
1513
1514 #ifdef MODULE_NAME_IS_x11
1515         /* We need to signal the vout thread about the size change because it
1516          * is doing the rescaling */
1517         p_vout->i_changes |= VOUT_SIZE_CHANGE;
1518 #endif
1519
1520         vout_PlacePicture( p_vout, p_vout->p_sys->p_win->i_width,
1521                            p_vout->p_sys->p_win->i_height,
1522                            &i_x, &i_y, &i_width, &i_height );
1523
1524         XMoveResizeWindow( p_vout->p_sys->p_display,
1525                            p_vout->p_sys->p_win->video_window,
1526                            i_x, i_y, i_width, i_height );
1527     }
1528
1529     /* cursor hiding depending on --vout-event option
1530      *      activated if:
1531      *            value = 1 (Fullsupport) (default value)
1532      *         or value = 2 (Fullscreen-Only) and condition met
1533      */
1534     bool b_vout_event = (   ( p_vout->p_sys->i_vout_event == 1 )
1535                          || ( p_vout->p_sys->i_vout_event == 2 && p_vout->b_fullscreen )
1536                         );
1537
1538     /* Autohide Cursour */
1539     if( mdate() - p_vout->p_sys->i_time_mouse_last_moved >
1540         p_vout->p_sys->i_mouse_hide_timeout )
1541     {
1542         /* Hide the mouse automatically */
1543         if( b_vout_event && p_vout->p_sys->b_mouse_pointer_visible )
1544         {
1545             ToggleCursor( p_vout );
1546         }
1547     }
1548
1549 #ifdef MODULE_NAME_IS_xvmc
1550     xvmc_context_reader_unlock( &p_vout->p_sys->xvmc_lock );
1551 #endif
1552
1553 #ifdef HAVE_OSSO
1554     if ( p_vout->p_sys->p_octx != NULL ) {
1555         if ( p_vout->p_sys->i_backlight_on_counter == i_backlight_on_interval ) {
1556             if ( osso_display_blanking_pause( p_vout->p_sys->p_octx ) != OSSO_OK ) {
1557                 msg_Err( p_vout, "Could not disable backlight blanking" );
1558         } else {
1559                 msg_Dbg( p_vout, "Backlight blanking disabled" );
1560             }
1561             p_vout->p_sys->i_backlight_on_counter = 0;
1562         } else {
1563             p_vout->p_sys->i_backlight_on_counter ++;
1564         }
1565     }
1566 #endif
1567
1568     vlc_mutex_unlock( &p_vout->p_sys->lock );
1569     return 0;
1570 }
1571
1572 /*****************************************************************************
1573  * EndVideo: terminate X11 video thread output method
1574  *****************************************************************************
1575  * Destroy the X11 XImages created by Init. It is called at the end of
1576  * the thread, but also each time the window is resized.
1577  *****************************************************************************/
1578 static void EndVideo( vout_thread_t *p_vout )
1579 {
1580     int i_index;
1581
1582     /* Free the direct buffers we allocated */
1583     for( i_index = I_OUTPUTPICTURES ; i_index ; )
1584     {
1585         i_index--;
1586         FreePicture( p_vout, PP_OUTPUTPICTURE[ i_index ] );
1587     }
1588 }
1589
1590 /* following functions are local */
1591
1592 /*****************************************************************************
1593  * CreateWindow: open and set-up X11 main window
1594  *****************************************************************************/
1595 static int CreateWindow( vout_thread_t *p_vout, x11_window_t *p_win )
1596 {
1597     XSizeHints              xsize_hints;
1598     XSetWindowAttributes    xwindow_attributes;
1599     XGCValues               xgcvalues;
1600     XEvent                  xevent;
1601
1602     bool              b_expose = false;
1603     bool              b_configure_notify = false;
1604     bool              b_map_notify = false;
1605     vlc_value_t             val;
1606
1607     /* Prepare window manager hints and properties */
1608     p_win->wm_protocols =
1609              XInternAtom( p_vout->p_sys->p_display, "WM_PROTOCOLS", True );
1610     p_win->wm_delete_window =
1611              XInternAtom( p_vout->p_sys->p_display, "WM_DELETE_WINDOW", True );
1612
1613     /* Never have a 0-pixel-wide window */
1614     xsize_hints.min_width = 2;
1615     xsize_hints.min_height = 1;
1616
1617     /* Prepare window attributes */
1618     xwindow_attributes.backing_store = Always;       /* save the hidden part */
1619     xwindow_attributes.background_pixel = BlackPixel(p_vout->p_sys->p_display,
1620                                                      p_vout->p_sys->i_screen);
1621     xwindow_attributes.event_mask = ExposureMask | StructureNotifyMask;
1622
1623     if( !p_vout->b_fullscreen )
1624     {
1625         p_win->owner_window = vout_RequestWindow( p_vout, &p_win->i_x,
1626                               &p_win->i_y, &p_win->i_width, &p_win->i_height );
1627         xsize_hints.base_width  = xsize_hints.width = p_win->i_width;
1628         xsize_hints.base_height = xsize_hints.height = p_win->i_height;
1629         xsize_hints.flags       = PSize | PMinSize;
1630
1631         if( p_win->i_x >=0 || p_win->i_y >= 0 )
1632         {
1633             xsize_hints.x = p_win->i_x;
1634             xsize_hints.y = p_win->i_y;
1635             xsize_hints.flags |= PPosition;
1636         }
1637     }
1638     else
1639     {
1640         /* Fullscreen window size and position */
1641         p_win->owner_window = NULL;
1642         p_win->i_x = p_win->i_y = 0;
1643         p_win->i_width =
1644             DisplayWidth( p_vout->p_sys->p_display, p_vout->p_sys->i_screen );
1645         p_win->i_height =
1646             DisplayHeight( p_vout->p_sys->p_display, p_vout->p_sys->i_screen );
1647     }
1648
1649     if( !p_win->owner_window )
1650     {
1651         /* Create the window and set hints - the window must receive
1652          * ConfigureNotify events, and until it is displayed, Expose and
1653          * MapNotify events. */
1654
1655         p_win->base_window =
1656             XCreateWindow( p_vout->p_sys->p_display,
1657                            DefaultRootWindow( p_vout->p_sys->p_display ),
1658                            p_win->i_x, p_win->i_y,
1659                            p_win->i_width, p_win->i_height,
1660                            0,
1661                            0, InputOutput, 0,
1662                            CWBackingStore | CWBackPixel | CWEventMask,
1663                            &xwindow_attributes );
1664
1665         var_Get( p_vout, "video-title", &val );
1666         if( !val.psz_string || !*val.psz_string )
1667         {
1668             XStoreName( p_vout->p_sys->p_display, p_win->base_window,
1669 #ifdef MODULE_NAME_IS_x11
1670                         VOUT_TITLE " (X11 output)"
1671 #elif defined(MODULE_NAME_IS_glx)
1672                         VOUT_TITLE " (GLX output)"
1673 #else
1674                         VOUT_TITLE " (XVideo output)"
1675 #endif
1676               );
1677         }
1678         else
1679         {
1680             XStoreName( p_vout->p_sys->p_display,
1681                         p_win->base_window, val.psz_string );
1682         }
1683         free( val.psz_string );
1684
1685         if( !p_vout->b_fullscreen )
1686         {
1687             const char *argv[] = { "vlc", NULL };
1688
1689             /* Set window manager hints and properties: size hints, command,
1690              * window's name, and accepted protocols */
1691             XSetWMNormalHints( p_vout->p_sys->p_display,
1692                                p_win->base_window, &xsize_hints );
1693             XSetCommand( p_vout->p_sys->p_display, p_win->base_window,
1694                          (char**)argv, 1 );
1695
1696             if( !var_GetBool( p_vout, "video-deco") )
1697             {
1698                 Atom prop;
1699                 mwmhints_t mwmhints;
1700
1701                 mwmhints.flags = MWM_HINTS_DECORATIONS;
1702                 mwmhints.decorations = False;
1703
1704                 prop = XInternAtom( p_vout->p_sys->p_display, "_MOTIF_WM_HINTS",
1705                                     False );
1706
1707                 XChangeProperty( p_vout->p_sys->p_display,
1708                                  p_win->base_window,
1709                                  prop, prop, 32, PropModeReplace,
1710                                  (unsigned char *)&mwmhints,
1711                                  PROP_MWM_HINTS_ELEMENTS );
1712             }
1713         }
1714     }
1715     else
1716     {
1717         Window dummy1;
1718         int dummy2, dummy3;
1719         unsigned int dummy4, dummy5;
1720
1721         /* Select events we are interested in. */
1722         XSelectInput( p_vout->p_sys->p_display, p_win->owner_window->handle,
1723                       StructureNotifyMask );
1724
1725         /* Get the parent window's geometry information */
1726         XGetGeometry( p_vout->p_sys->p_display, p_win->owner_window->handle,
1727                       &dummy1, &dummy2, &dummy3,
1728                       &p_win->i_width,
1729                       &p_win->i_height,
1730                       &dummy4, &dummy5 );
1731
1732         /* We are already configured */
1733         b_configure_notify = true;
1734
1735         /* From man XSelectInput: only one client at a time can select a
1736          * ButtonPress event, so we need to open a new window anyway. */
1737         p_win->base_window =
1738             XCreateWindow( p_vout->p_sys->p_display,
1739                            p_win->owner_window->handle,
1740                            0, 0,
1741                            p_win->i_width, p_win->i_height,
1742                            0,
1743                            0, CopyFromParent, 0,
1744                            CWBackingStore | CWBackPixel | CWEventMask,
1745                            &xwindow_attributes );
1746     }
1747
1748     if( (p_win->wm_protocols == None)        /* use WM_DELETE_WINDOW */
1749         || (p_win->wm_delete_window == None)
1750         || !XSetWMProtocols( p_vout->p_sys->p_display, p_win->base_window,
1751                              &p_win->wm_delete_window, 1 ) )
1752     {
1753         /* WM_DELETE_WINDOW is not supported by window manager */
1754         msg_Warn( p_vout, "missing or bad window manager" );
1755     }
1756
1757     /* Creation of a graphic context that doesn't generate a GraphicsExpose
1758      * event when using functions like XCopyArea */
1759     xgcvalues.graphics_exposures = False;
1760     p_win->gc = XCreateGC( p_vout->p_sys->p_display,
1761                            p_win->base_window,
1762                            GCGraphicsExposures, &xgcvalues );
1763
1764     /* Send orders to server, and wait until window is displayed - three
1765      * events must be received: a MapNotify event, an Expose event allowing
1766      * drawing in the window, and a ConfigureNotify to get the window
1767      * dimensions. Once those events have been received, only
1768      * ConfigureNotify events need to be received. */
1769     XMapWindow( p_vout->p_sys->p_display, p_win->base_window );
1770     do
1771     {
1772         XWindowEvent( p_vout->p_sys->p_display, p_win->base_window,
1773                       SubstructureNotifyMask | StructureNotifyMask |
1774                       ExposureMask, &xevent);
1775         if( (xevent.type == Expose)
1776             && (xevent.xexpose.window == p_win->base_window) )
1777         {
1778             b_expose = true;
1779             /* ConfigureNotify isn't sent if there isn't a window manager.
1780              * Expose should be the last event to be received so it should
1781              * be fine to assume we won't receive it anymore. */
1782             b_configure_notify = true;
1783         }
1784         else if( (xevent.type == MapNotify)
1785                  && (xevent.xmap.window == p_win->base_window) )
1786         {
1787             b_map_notify = true;
1788         }
1789         else if( (xevent.type == ConfigureNotify)
1790                  && (xevent.xconfigure.window == p_win->base_window) )
1791         {
1792             b_configure_notify = true;
1793             p_win->i_width = xevent.xconfigure.width;
1794             p_win->i_height = xevent.xconfigure.height;
1795         }
1796     } while( !( b_expose && b_configure_notify && b_map_notify ) );
1797
1798     /* key and mouse events handling depending on --vout-event option
1799      *      activated if:
1800      *            value = 1 (Fullsupport) (default value)
1801      *         or value = 2 (Fullscreen-Only) and condition met
1802      */
1803     bool b_vout_event = (   ( p_vout->p_sys->i_vout_event == 1 )
1804                          || ( p_vout->p_sys->i_vout_event == 2 && p_vout->b_fullscreen )
1805                         );
1806     if ( b_vout_event )
1807         XSelectInput( p_vout->p_sys->p_display, p_win->base_window,
1808                       StructureNotifyMask | KeyPressMask |
1809                       ButtonPressMask | ButtonReleaseMask |
1810                       PointerMotionMask );
1811
1812 #ifdef MODULE_NAME_IS_x11
1813     if( XDefaultDepth(p_vout->p_sys->p_display, p_vout->p_sys->i_screen) == 8 )
1814     {
1815         /* Allocate a new palette */
1816         p_vout->p_sys->colormap =
1817             XCreateColormap( p_vout->p_sys->p_display,
1818                              DefaultRootWindow( p_vout->p_sys->p_display ),
1819                              DefaultVisual( p_vout->p_sys->p_display,
1820                                             p_vout->p_sys->i_screen ),
1821                              AllocAll );
1822
1823         xwindow_attributes.colormap = p_vout->p_sys->colormap;
1824         XChangeWindowAttributes( p_vout->p_sys->p_display, p_win->base_window,
1825                                  CWColormap, &xwindow_attributes );
1826     }
1827 #endif
1828
1829     /* Create video output sub-window. */
1830     p_win->video_window =  XCreateSimpleWindow(
1831                                       p_vout->p_sys->p_display,
1832                                       p_win->base_window, 0, 0,
1833                                       p_win->i_width, p_win->i_height,
1834                                       0,
1835                                       BlackPixel( p_vout->p_sys->p_display,
1836                                                   p_vout->p_sys->i_screen ),
1837                                       WhitePixel( p_vout->p_sys->p_display,
1838                                                   p_vout->p_sys->i_screen ) );
1839
1840     XSetWindowBackground( p_vout->p_sys->p_display, p_win->video_window,
1841                           BlackPixel( p_vout->p_sys->p_display,
1842                                       p_vout->p_sys->i_screen ) );
1843
1844     XMapWindow( p_vout->p_sys->p_display, p_win->video_window );
1845     XSelectInput( p_vout->p_sys->p_display, p_win->video_window,
1846                   ExposureMask );
1847
1848     /* make sure the video window will be centered in the next ManageVideo() */
1849     p_vout->i_changes |= VOUT_SIZE_CHANGE;
1850
1851     /* If the cursor was formerly blank than blank it again */
1852     if( !p_vout->p_sys->b_mouse_pointer_visible )
1853     {
1854         ToggleCursor( p_vout );
1855         ToggleCursor( p_vout );
1856     }
1857
1858     /* Do NOT use XFlush here ! */
1859     XSync( p_vout->p_sys->p_display, False );
1860
1861     /* At this stage, the window is open, displayed, and ready to
1862      * receive data */
1863     p_vout->p_sys->p_win = p_win;
1864
1865     return VLC_SUCCESS;
1866 }
1867
1868 /*****************************************************************************
1869  * DestroyWindow: destroy the window
1870  *****************************************************************************
1871  *
1872  *****************************************************************************/
1873 static void DestroyWindow( vout_thread_t *p_vout, x11_window_t *p_win )
1874 {
1875     /* Do NOT use XFlush here ! */
1876     XSync( p_vout->p_sys->p_display, False );
1877
1878     if( p_win->video_window != None )
1879         XDestroyWindow( p_vout->p_sys->p_display, p_win->video_window );
1880
1881     XFreeGC( p_vout->p_sys->p_display, p_win->gc );
1882
1883     XUnmapWindow( p_vout->p_sys->p_display, p_win->base_window );
1884     XDestroyWindow( p_vout->p_sys->p_display, p_win->base_window );
1885
1886     vout_ReleaseWindow( p_win->owner_window );
1887 }
1888
1889 /*****************************************************************************
1890  * NewPicture: allocate a picture
1891  *****************************************************************************
1892  * Returns 0 on success, -1 otherwise
1893  *****************************************************************************/
1894 static int NewPicture( vout_thread_t *p_vout, picture_t *p_pic )
1895 {
1896 #ifndef MODULE_NAME_IS_glx
1897
1898 #if defined(MODULE_NAME_IS_xvideo) || defined(MODULE_NAME_IS_xvmc)
1899     int i_plane;
1900 #endif
1901
1902     /* We know the chroma, allocate a buffer which will be used
1903      * directly by the decoder */
1904     p_pic->p_sys = malloc( sizeof( picture_sys_t ) );
1905
1906     if( p_pic->p_sys == NULL )
1907     {
1908         return -1;
1909     }
1910
1911 #ifdef MODULE_NAME_IS_xvmc
1912     p_pic->p_sys->p_vout = p_vout;
1913     p_pic->p_sys->xvmc_surf = NULL;
1914     p_pic->p_sys->xxmc_data.decoded = 0;
1915     p_pic->p_sys->xxmc_data.proc_xxmc_update_frame = xxmc_do_update_frame;
1916     //    p_pic->p_accel_data = &p_pic->p_sys->xxmc_data;
1917     p_pic->p_sys->nb_display = 0;
1918 #endif
1919
1920     /* Fill in picture_t fields */
1921     vout_InitPicture( VLC_OBJECT(p_vout), p_pic, p_vout->output.i_chroma,
1922                       p_vout->output.i_width, p_vout->output.i_height,
1923                       p_vout->output.i_aspect );
1924
1925 #ifdef HAVE_SYS_SHM_H
1926     if( p_vout->p_sys->i_shm_opcode )
1927     {
1928         /* Create image using XShm extension */
1929         p_pic->p_sys->p_image =
1930             CreateShmImage( p_vout, p_vout->p_sys->p_display,
1931 #   if defined(MODULE_NAME_IS_xvideo) || defined(MODULE_NAME_IS_xvmc)
1932                             p_vout->p_sys->i_xvport,
1933                             VLC2X11_FOURCC(p_vout->output.i_chroma),
1934 #   else
1935                             p_vout->p_sys->p_visual,
1936                             p_vout->p_sys->i_screen_depth,
1937 #   endif
1938                             &p_pic->p_sys->shminfo,
1939                             p_vout->output.i_width, p_vout->output.i_height );
1940     }
1941
1942     if( !p_vout->p_sys->i_shm_opcode || !p_pic->p_sys->p_image )
1943 #endif /* HAVE_SYS_SHM_H */
1944     {
1945         /* Create image without XShm extension */
1946         p_pic->p_sys->p_image =
1947             CreateImage( p_vout, p_vout->p_sys->p_display,
1948 #if defined(MODULE_NAME_IS_xvideo) || defined(MODULE_NAME_IS_xvmc)
1949                          p_vout->p_sys->i_xvport,
1950                          VLC2X11_FOURCC(p_vout->output.i_chroma),
1951                          p_pic->format.i_bits_per_pixel,
1952 #else
1953                          p_vout->p_sys->p_visual,
1954                          p_vout->p_sys->i_screen_depth,
1955                          p_vout->p_sys->i_bytes_per_pixel,
1956 #endif
1957                          p_vout->output.i_width, p_vout->output.i_height );
1958
1959 #ifdef HAVE_SYS_SHM_H
1960         if( p_pic->p_sys->p_image && p_vout->p_sys->i_shm_opcode )
1961         {
1962             msg_Warn( p_vout, "couldn't create SHM image, disabling SHM" );
1963             p_vout->p_sys->i_shm_opcode = 0;
1964         }
1965 #endif /* HAVE_SYS_SHM_H */
1966     }
1967
1968     if( p_pic->p_sys->p_image == NULL )
1969     {
1970         free( p_pic->p_sys );
1971         return -1;
1972     }
1973
1974     switch( p_vout->output.i_chroma )
1975     {
1976 #if defined(MODULE_NAME_IS_xvideo) || defined(MODULE_NAME_IS_xvmc)
1977         case VLC_FOURCC('I','4','2','0'):
1978         case VLC_FOURCC('Y','V','1','2'):
1979         case VLC_FOURCC('Y','2','1','1'):
1980         case VLC_FOURCC('Y','U','Y','2'):
1981         case VLC_FOURCC('U','Y','V','Y'):
1982         case VLC_FOURCC('R','V','1','5'):
1983         case VLC_FOURCC('R','V','1','6'):
1984         case VLC_FOURCC('R','V','2','4'): /* Fixme: pixel pitch == 4 ? */
1985         case VLC_FOURCC('R','V','3','2'):
1986
1987             for( i_plane = 0; i_plane < p_pic->p_sys->p_image->num_planes;
1988                  i_plane++ )
1989             {
1990                 p_pic->p[i_plane].p_pixels = (uint8_t*)p_pic->p_sys->p_image->data
1991                     + p_pic->p_sys->p_image->offsets[i_plane];
1992                 p_pic->p[i_plane].i_pitch =
1993                     p_pic->p_sys->p_image->pitches[i_plane];
1994             }
1995             if( p_vout->output.i_chroma == VLC_FOURCC('Y','V','1','2') )
1996             {
1997                 /* U and V inverted compared to I420
1998                  * Fixme: this should be handled by the vout core */
1999                 p_pic->U_PIXELS = (uint8_t*)p_pic->p_sys->p_image->data
2000                     + p_pic->p_sys->p_image->offsets[2];
2001                 p_pic->V_PIXELS = (uint8_t*)p_pic->p_sys->p_image->data
2002                     + p_pic->p_sys->p_image->offsets[1];
2003             }
2004
2005             break;
2006
2007 #else
2008         case VLC_FOURCC('R','G','B','2'):
2009         case VLC_FOURCC('R','V','1','6'):
2010         case VLC_FOURCC('R','V','1','5'):
2011         case VLC_FOURCC('R','V','2','4'):
2012         case VLC_FOURCC('R','V','3','2'):
2013
2014             p_pic->p->i_lines = p_pic->p_sys->p_image->height;
2015             p_pic->p->i_visible_lines = p_pic->p_sys->p_image->height;
2016             p_pic->p->p_pixels = (uint8_t*)p_pic->p_sys->p_image->data
2017                                   + p_pic->p_sys->p_image->xoffset;
2018             p_pic->p->i_pitch = p_pic->p_sys->p_image->bytes_per_line;
2019
2020             /* p_pic->p->i_pixel_pitch = 4 for RV24 but this should be set
2021              * properly by vout_InitPicture() */
2022             p_pic->p->i_visible_pitch = p_pic->p->i_pixel_pitch
2023                                          * p_pic->p_sys->p_image->width;
2024             break;
2025 #endif
2026
2027         default:
2028             /* Unknown chroma, tell the guy to get lost */
2029             IMAGE_FREE( p_pic->p_sys->p_image );
2030             free( p_pic->p_sys );
2031             msg_Err( p_vout, "never heard of chroma 0x%.8x (%4.4s)",
2032                      p_vout->output.i_chroma, (char*)&p_vout->output.i_chroma );
2033             p_pic->i_planes = 0;
2034             return -1;
2035     }
2036 #else
2037
2038     VLC_UNUSED(p_vout); VLC_UNUSED(p_pic);
2039
2040 #endif /* !MODULE_NAME_IS_glx */
2041
2042     return 0;
2043 }
2044
2045 /*****************************************************************************
2046  * FreePicture: destroy a picture allocated with NewPicture
2047  *****************************************************************************
2048  * Destroy XImage AND associated data. If using Shm, detach shared memory
2049  * segment from server and process, then free it. The XDestroyImage manpage
2050  * says that both the image structure _and_ the data pointed to by the
2051  * image structure are freed, so no need to free p_image->data.
2052  *****************************************************************************/
2053 static void FreePicture( vout_thread_t *p_vout, picture_t *p_pic )
2054 {
2055     /* The order of operations is correct */
2056 #ifdef HAVE_SYS_SHM_H
2057     if( p_vout->p_sys->i_shm_opcode )
2058     {
2059         XShmDetach( p_vout->p_sys->p_display, &p_pic->p_sys->shminfo );
2060         IMAGE_FREE( p_pic->p_sys->p_image );
2061
2062         shmctl( p_pic->p_sys->shminfo.shmid, IPC_RMID, 0 );
2063         if( shmdt( p_pic->p_sys->shminfo.shmaddr ) )
2064         {
2065             msg_Err( p_vout, "cannot detach shared memory (%m)" );
2066         }
2067     }
2068     else
2069 #endif
2070     {
2071         IMAGE_FREE( p_pic->p_sys->p_image );
2072     }
2073
2074 #ifdef MODULE_NAME_IS_xvmc
2075     if( p_pic->p_sys->xvmc_surf != NULL )
2076     {
2077         xxmc_xvmc_free_surface(p_vout , p_pic->p_sys->xvmc_surf);
2078         p_pic->p_sys->xvmc_surf = NULL;
2079     }
2080 #endif
2081
2082     /* Do NOT use XFlush here ! */
2083     XSync( p_vout->p_sys->p_display, False );
2084
2085     free( p_pic->p_sys );
2086 }
2087
2088 /*****************************************************************************
2089  * ToggleFullScreen: Enable or disable full screen mode
2090  *****************************************************************************
2091  * This function will switch between fullscreen and window mode.
2092  *****************************************************************************/
2093 static void ToggleFullScreen ( vout_thread_t *p_vout )
2094 {
2095     Atom prop;
2096     XEvent xevent;
2097     mwmhints_t mwmhints;
2098     XSetWindowAttributes attributes;
2099
2100 #ifdef HAVE_XINERAMA
2101     int i_d1, i_d2;
2102 #endif
2103
2104     p_vout->b_fullscreen = !p_vout->b_fullscreen;
2105
2106     if( p_vout->b_fullscreen )
2107     {
2108         msg_Dbg( p_vout, "entering fullscreen mode" );
2109
2110         /* Getting current window position */
2111         Window root_win;
2112         Window* child_windows;
2113         int num_child_windows;
2114         Window parent_win;
2115         Window child_win;
2116         XWindowAttributes win_attr;
2117         int screen_x,screen_y;
2118
2119         XGetWindowAttributes(
2120                 p_vout->p_sys->p_display,
2121                 p_vout->p_sys->p_win->video_window,
2122                 &win_attr);
2123
2124         XQueryTree(
2125                 p_vout->p_sys->p_display,
2126                 p_vout->p_sys->p_win->video_window,
2127                 &root_win,
2128                 &parent_win,
2129                 &child_windows,
2130                 &num_child_windows);
2131         XFree(child_windows);
2132
2133         XTranslateCoordinates(
2134                 p_vout->p_sys->p_display,
2135                 parent_win, win_attr.root,
2136                 win_attr.x,win_attr.y,
2137                 &screen_x,&screen_y,
2138                 &child_win);
2139
2140         msg_Dbg( p_vout, "X %d/%d Y %d/%d", win_attr.x,screen_x,win_attr.y,screen_y);
2141         /* screen_x and screen_y are current position */
2142
2143         p_vout->p_sys->b_altfullscreen =
2144             config_GetInt( p_vout, MODULE_STRING "-altfullscreen" );
2145
2146         XUnmapWindow( p_vout->p_sys->p_display,
2147                       p_vout->p_sys->p_win->base_window );
2148
2149         p_vout->p_sys->p_win = &p_vout->p_sys->fullscreen_window;
2150
2151         CreateWindow( p_vout, p_vout->p_sys->p_win );
2152         XDestroyWindow( p_vout->p_sys->p_display,
2153                         p_vout->p_sys->fullscreen_window.video_window );
2154         XReparentWindow( p_vout->p_sys->p_display,
2155                          p_vout->p_sys->original_window.video_window,
2156                          p_vout->p_sys->fullscreen_window.base_window, 0, 0 );
2157         p_vout->p_sys->fullscreen_window.video_window =
2158             p_vout->p_sys->original_window.video_window;
2159
2160         /* To my knowledge there are two ways to create a borderless window.
2161          * There's the generic way which is to tell x to bypass the window
2162          * manager, but this creates problems with the focus of other
2163          * applications.
2164          * The other way is to use the motif property "_MOTIF_WM_HINTS" which
2165          * luckily seems to be supported by most window managers. */
2166         if( !p_vout->p_sys->b_altfullscreen )
2167         {
2168             mwmhints.flags = MWM_HINTS_DECORATIONS;
2169             mwmhints.decorations = False;
2170
2171             prop = XInternAtom( p_vout->p_sys->p_display, "_MOTIF_WM_HINTS",
2172                                 False );
2173             XChangeProperty( p_vout->p_sys->p_display,
2174                              p_vout->p_sys->p_win->base_window,
2175                              prop, prop, 32, PropModeReplace,
2176                              (unsigned char *)&mwmhints,
2177                              PROP_MWM_HINTS_ELEMENTS );
2178         }
2179         else
2180         {
2181             /* brute force way to remove decorations */
2182             attributes.override_redirect = True;
2183             XChangeWindowAttributes( p_vout->p_sys->p_display,
2184                                      p_vout->p_sys->p_win->base_window,
2185                                      CWOverrideRedirect,
2186                                      &attributes);
2187
2188             /* Make sure the change is effective */
2189             XReparentWindow( p_vout->p_sys->p_display,
2190                              p_vout->p_sys->p_win->base_window,
2191                              DefaultRootWindow( p_vout->p_sys->p_display ),
2192                              0, 0 );
2193         }
2194
2195         if( p_vout->p_sys->b_net_wm_state_fullscreen )
2196         {
2197             XClientMessageEvent event;
2198
2199             memset( &event, 0, sizeof( XClientMessageEvent ) );
2200
2201             event.type = ClientMessage;
2202             event.message_type = p_vout->p_sys->net_wm_state;
2203             event.display = p_vout->p_sys->p_display;
2204             event.window = p_vout->p_sys->p_win->base_window;
2205             event.format = 32;
2206             event.data.l[ 0 ] = 1; /* set property */
2207             event.data.l[ 1 ] = p_vout->p_sys->net_wm_state_fullscreen;
2208
2209             XSendEvent( p_vout->p_sys->p_display,
2210                         DefaultRootWindow( p_vout->p_sys->p_display ),
2211                         False, SubstructureRedirectMask,
2212                         (XEvent*)&event );
2213         }
2214
2215 /* "bad fullscreen" - set this to 0. doing fullscreen this way is problematic
2216  * for many reasons and basically fights with the window manager as the wm
2217  * reparents AND vlc goes and reparents - multiple times. don't do it. it just
2218  * makes it more inefficient and less "nice" to the x11 citizenry. this turns
2219  * it off */
2220 #define BADFS 0
2221 /* explicitly asking for focus when you fullscreened is a little silly. the
2222  * window manager SHOULD be handling this itself based on its own focus
2223  * policies. if the user is "using" a given xinerama/xrandr screen or x11
2224  * multihead screen AND vlc wants to fullscreen the wm should also focus it
2225  * as its the only thing on the screen. if vlc fullscreens and its on
2226  * "another monitor" to the one the user is using - this may "steal" the focus
2227  * as really the wm should be deciding if, on fullscreening of a window
2228  * the focus should go there or not, so let the wm decided */
2229 #define APPFOCUS 0
2230         /* Make sure the change is effective */
2231         XReparentWindow( p_vout->p_sys->p_display,
2232                          p_vout->p_sys->p_win->base_window,
2233                          DefaultRootWindow( p_vout->p_sys->p_display ),
2234                          0, 0 );
2235
2236 #ifdef HAVE_XINERAMA
2237         if( XineramaQueryExtension( p_vout->p_sys->p_display, &i_d1, &i_d2 ) &&
2238             XineramaIsActive( p_vout->p_sys->p_display ) )
2239         {
2240             XineramaScreenInfo *screens;   /* infos for xinerama */
2241             int i_num_screens;
2242
2243             msg_Dbg( p_vout, "using XFree Xinerama extension");
2244
2245 #define SCREEN p_vout->p_sys->p_win->i_screen
2246
2247             /* Get Information about Xinerama (num of screens) */
2248             screens = XineramaQueryScreens( p_vout->p_sys->p_display,
2249                                             &i_num_screens );
2250
2251             SCREEN = config_GetInt( p_vout,
2252                                         MODULE_STRING "-xineramascreen" );
2253
2254             /* just check that user has entered a good value,
2255              * otherwise use that screen where window is */
2256             if( SCREEN >= i_num_screens || SCREEN < 0 )
2257             {
2258                 msg_Dbg( p_vout, "requested screen number invalid (%d/%d)", SCREEN, i_num_screens );
2259 #define left screens[SCREEN].x_org
2260 #define right left + screens[SCREEN].width
2261 #define top screens[SCREEN].y_org
2262 #define bottom top + screens[SCREEN].height
2263
2264                  for( SCREEN = i_num_screens-1; SCREEN > 0; SCREEN--)
2265                  {
2266                      if( left <= screen_x && screen_x <= right &&
2267                              top <= screen_y && screen_y <= bottom )
2268                          break;
2269                  }
2270 #undef bottom
2271 #undef top
2272 #undef right
2273 #undef left
2274             }
2275
2276             /* Get the X/Y upper left corner coordinate of the above screen */
2277             p_vout->p_sys->p_win->i_x = screens[SCREEN].x_org;
2278             p_vout->p_sys->p_win->i_y = screens[SCREEN].y_org;
2279
2280             /* Set the Height/width to the screen resolution */
2281             p_vout->p_sys->p_win->i_width = screens[SCREEN].width;
2282             p_vout->p_sys->p_win->i_height = screens[SCREEN].height;
2283
2284             XFree(screens);
2285
2286 #undef SCREEN
2287
2288         }
2289         else
2290 #endif
2291         {
2292             /* The window wasn't necessarily created at the requested size */
2293             p_vout->p_sys->p_win->i_x = p_vout->p_sys->p_win->i_y = 0;
2294
2295 #ifdef HAVE_XF86VIDMODE
2296             XF86VidModeModeLine mode;
2297             int i_dummy;
2298
2299             if( XF86VidModeGetModeLine( p_vout->p_sys->p_display,
2300                                         p_vout->p_sys->i_screen, &i_dummy,
2301                                         &mode ) )
2302             {
2303                 p_vout->p_sys->p_win->i_width = mode.hdisplay;
2304                 p_vout->p_sys->p_win->i_height = mode.vdisplay;
2305
2306                 /* move cursor to the middle of the window to prevent
2307                  * unwanted display move if the display is smaller than the
2308                  * full desktop */
2309                 XWarpPointer( p_vout->p_sys->p_display, None,
2310                               p_vout->p_sys->p_win->base_window, 0, 0, 0, 0,
2311                               mode.hdisplay / 2 , mode.vdisplay / 2 );
2312                 /* force desktop view to upper left corner */
2313                 XF86VidModeSetViewPort( p_vout->p_sys->p_display,
2314                                         p_vout->p_sys->i_screen, 0, 0 );
2315             }
2316             else
2317 #endif
2318             {
2319                 p_vout->p_sys->p_win->i_width =
2320                     DisplayWidth( p_vout->p_sys->p_display,
2321                                 p_vout->p_sys->i_screen );
2322                 p_vout->p_sys->p_win->i_height =
2323                     DisplayHeight( p_vout->p_sys->p_display,
2324                                 p_vout->p_sys->i_screen );
2325             }
2326
2327         }
2328
2329         XMoveResizeWindow( p_vout->p_sys->p_display,
2330                            p_vout->p_sys->p_win->base_window,
2331                            p_vout->p_sys->p_win->i_x,
2332                            p_vout->p_sys->p_win->i_y,
2333                            p_vout->p_sys->p_win->i_width,
2334                            p_vout->p_sys->p_win->i_height );
2335
2336 #ifdef HAVE_XSP
2337         EnablePixelDoubling( p_vout );
2338 #endif
2339
2340 #if APPFOCUS // RASTER: let the wm do focus policy
2341         /* Activate the window (give it the focus) */
2342         XClientMessageEvent event;
2343
2344         memset( &event, 0, sizeof( XClientMessageEvent ) );
2345
2346         event.type = ClientMessage;
2347         event.message_type =
2348            XInternAtom( p_vout->p_sys->p_display, "_NET_ACTIVE_WINDOW", False );
2349         event.display = p_vout->p_sys->p_display;
2350         event.window = p_vout->p_sys->p_win->base_window;
2351         event.format = 32;
2352         event.data.l[ 0 ] = 1; /* source indication (1 = from an application */
2353         event.data.l[ 1 ] = 0; /* timestamp */
2354         event.data.l[ 2 ] = 0; /* requestor's currently active window */
2355         /* XXX: window manager would be more likely to obey if we already have
2356          * an active window (and give it to the event), such as an interface */
2357
2358         XSendEvent( p_vout->p_sys->p_display,
2359                     DefaultRootWindow( p_vout->p_sys->p_display ),
2360                     False, SubstructureRedirectMask,
2361                     (XEvent*)&event );
2362 #endif
2363     }
2364     else
2365     {
2366         msg_Dbg( p_vout, "leaving fullscreen mode" );
2367
2368 #ifdef HAVE_XSP
2369         DisablePixelDoubling( p_vout );
2370 #endif
2371
2372         XReparentWindow( p_vout->p_sys->p_display,
2373                          p_vout->p_sys->original_window.video_window,
2374                          p_vout->p_sys->original_window.base_window, 0, 0 );
2375
2376         p_vout->p_sys->fullscreen_window.video_window = None;
2377         DestroyWindow( p_vout, &p_vout->p_sys->fullscreen_window );
2378         p_vout->p_sys->p_win = &p_vout->p_sys->original_window;
2379
2380         XMapWindow( p_vout->p_sys->p_display,
2381                     p_vout->p_sys->p_win->base_window );
2382     }
2383
2384     /* Unfortunately, using XSync() here is not enough to ensure the
2385      * window has already been mapped because the XMapWindow() request
2386      * has not necessarily been sent directly to our window (remember,
2387      * the call is first redirected to the window manager) */
2388
2389 #if BADFS // RASTER: this is silly... if we have already mapped before
2390     do
2391     {
2392         XWindowEvent( p_vout->p_sys->p_display,
2393                       p_vout->p_sys->p_win->base_window,
2394                       StructureNotifyMask, &xevent );
2395     } while( xevent.type != MapNotify );
2396 #else
2397    XSync(p_vout->p_sys->p_display, False);
2398 #endif
2399
2400     /* Be careful, this can generate a BadMatch error if the window is not
2401      * already mapped by the server (see above) */
2402     XSetInputFocus(p_vout->p_sys->p_display,
2403                    p_vout->p_sys->p_win->base_window,
2404                    RevertToParent,
2405                    CurrentTime);
2406
2407     /* signal that the size needs to be updated */
2408     p_vout->i_changes |= VOUT_SIZE_CHANGE;
2409 }
2410
2411 /*****************************************************************************
2412  * EnableXScreenSaver: enable screen saver
2413  *****************************************************************************
2414  * This function enables the screen saver on a display after it has been
2415  * disabled by XDisableScreenSaver.
2416  * FIXME: what happens if multiple vlc sessions are running at the same
2417  *        time ???
2418  *****************************************************************************/
2419 static void EnableXScreenSaver( vout_thread_t *p_vout )
2420 {
2421 #ifdef DPMSINFO_IN_DPMS_H
2422     int dummy;
2423 #endif
2424
2425     if( p_vout->p_sys->i_ss_timeout )
2426     {
2427         XSetScreenSaver( p_vout->p_sys->p_display, p_vout->p_sys->i_ss_timeout,
2428                          p_vout->p_sys->i_ss_interval,
2429                          p_vout->p_sys->i_ss_blanking,
2430                          p_vout->p_sys->i_ss_exposure );
2431     }
2432
2433     /* Restore DPMS settings */
2434 #ifdef DPMSINFO_IN_DPMS_H
2435     if( DPMSQueryExtension( p_vout->p_sys->p_display, &dummy, &dummy ) )
2436     {
2437         if( p_vout->p_sys->b_ss_dpms )
2438         {
2439             DPMSEnable( p_vout->p_sys->p_display );
2440         }
2441     }
2442 #endif
2443 }
2444
2445 /*****************************************************************************
2446  * DisableXScreenSaver: disable screen saver
2447  *****************************************************************************
2448  * See XEnableXScreenSaver
2449  *****************************************************************************/
2450 static void DisableXScreenSaver( vout_thread_t *p_vout )
2451 {
2452 #ifdef DPMSINFO_IN_DPMS_H
2453     int dummy;
2454 #endif
2455
2456     /* Save screen saver information */
2457     XGetScreenSaver( p_vout->p_sys->p_display, &p_vout->p_sys->i_ss_timeout,
2458                      &p_vout->p_sys->i_ss_interval,
2459                      &p_vout->p_sys->i_ss_blanking,
2460                      &p_vout->p_sys->i_ss_exposure );
2461
2462     /* Disable screen saver */
2463     if( p_vout->p_sys->i_ss_timeout )
2464     {
2465         XSetScreenSaver( p_vout->p_sys->p_display, 0,
2466                          p_vout->p_sys->i_ss_interval,
2467                          p_vout->p_sys->i_ss_blanking,
2468                          p_vout->p_sys->i_ss_exposure );
2469     }
2470
2471     /* Disable DPMS */
2472 #ifdef DPMSINFO_IN_DPMS_H
2473     if( DPMSQueryExtension( p_vout->p_sys->p_display, &dummy, &dummy ) )
2474     {
2475         CARD16 unused;
2476         /* Save DPMS current state */
2477         DPMSInfo( p_vout->p_sys->p_display, &unused,
2478                   &p_vout->p_sys->b_ss_dpms );
2479         DPMSDisable( p_vout->p_sys->p_display );
2480    }
2481 #endif
2482 }
2483
2484 /*****************************************************************************
2485  * CreateCursor: create a blank mouse pointer
2486  *****************************************************************************/
2487 static void CreateCursor( vout_thread_t *p_vout )
2488 {
2489     XColor cursor_color;
2490
2491     p_vout->p_sys->cursor_pixmap =
2492         XCreatePixmap( p_vout->p_sys->p_display,
2493                        DefaultRootWindow( p_vout->p_sys->p_display ),
2494                        1, 1, 1 );
2495
2496     XParseColor( p_vout->p_sys->p_display,
2497                  XCreateColormap( p_vout->p_sys->p_display,
2498                                   DefaultRootWindow(
2499                                                     p_vout->p_sys->p_display ),
2500                                   DefaultVisual(
2501                                                 p_vout->p_sys->p_display,
2502                                                 p_vout->p_sys->i_screen ),
2503                                   AllocNone ),
2504                  "black", &cursor_color );
2505
2506     p_vout->p_sys->blank_cursor =
2507         XCreatePixmapCursor( p_vout->p_sys->p_display,
2508                              p_vout->p_sys->cursor_pixmap,
2509                              p_vout->p_sys->cursor_pixmap,
2510                              &cursor_color, &cursor_color, 1, 1 );
2511 }
2512
2513 /*****************************************************************************
2514  * DestroyCursor: destroy the blank mouse pointer
2515  *****************************************************************************/
2516 static void DestroyCursor( vout_thread_t *p_vout )
2517 {
2518     XFreePixmap( p_vout->p_sys->p_display, p_vout->p_sys->cursor_pixmap );
2519 }
2520
2521 /*****************************************************************************
2522  * ToggleCursor: hide or show the mouse pointer
2523  *****************************************************************************
2524  * This function hides the X pointer if it is visible by setting the pointer
2525  * sprite to a blank one. To show it again, we disable the sprite.
2526  *****************************************************************************/
2527 static void ToggleCursor( vout_thread_t *p_vout )
2528 {
2529     if( p_vout->p_sys->b_mouse_pointer_visible )
2530     {
2531         XDefineCursor( p_vout->p_sys->p_display,
2532                        p_vout->p_sys->p_win->base_window,
2533                        p_vout->p_sys->blank_cursor );
2534         p_vout->p_sys->b_mouse_pointer_visible = 0;
2535     }
2536     else
2537     {
2538         XUndefineCursor( p_vout->p_sys->p_display,
2539                          p_vout->p_sys->p_win->base_window );
2540         p_vout->p_sys->b_mouse_pointer_visible = 1;
2541     }
2542 }
2543
2544 #if defined(MODULE_NAME_IS_xvideo) || defined(MODULE_NAME_IS_xvmc)
2545 /*****************************************************************************
2546  * XVideoGetPort: get YUV12 port
2547  *****************************************************************************/
2548 static int XVideoGetPort( vout_thread_t *p_vout,
2549                           vlc_fourcc_t i_chroma, picture_heap_t *p_heap )
2550 {
2551     XvAdaptorInfo *p_adaptor;
2552     unsigned int i;
2553     unsigned int i_adaptor, i_num_adaptors;
2554     int i_requested_adaptor;
2555     int i_selected_port;
2556
2557     switch( XvQueryExtension( p_vout->p_sys->p_display, &i, &i, &i, &i, &i ) )
2558     {
2559         case Success:
2560             break;
2561
2562         case XvBadExtension:
2563             msg_Warn( p_vout, "XvBadExtension" );
2564             return -1;
2565
2566         case XvBadAlloc:
2567             msg_Warn( p_vout, "XvBadAlloc" );
2568             return -1;
2569
2570         default:
2571             msg_Warn( p_vout, "XvQueryExtension failed" );
2572             return -1;
2573     }
2574
2575     switch( XvQueryAdaptors( p_vout->p_sys->p_display,
2576                              DefaultRootWindow( p_vout->p_sys->p_display ),
2577                              &i_num_adaptors, &p_adaptor ) )
2578     {
2579         case Success:
2580             break;
2581
2582         case XvBadExtension:
2583             msg_Warn( p_vout, "XvBadExtension for XvQueryAdaptors" );
2584             return -1;
2585
2586         case XvBadAlloc:
2587             msg_Warn( p_vout, "XvBadAlloc for XvQueryAdaptors" );
2588             return -1;
2589
2590         default:
2591             msg_Warn( p_vout, "XvQueryAdaptors failed" );
2592             return -1;
2593     }
2594
2595     i_selected_port = -1;
2596 #ifdef MODULE_NAME_IS_xvmc
2597     i_requested_adaptor = config_GetInt( p_vout, "xvmc-adaptor" );
2598 #else
2599     i_requested_adaptor = config_GetInt( p_vout, "xvideo-adaptor" );
2600 #endif
2601     for( i_adaptor = 0; i_adaptor < i_num_adaptors; ++i_adaptor )
2602     {
2603         XvImageFormatValues *p_formats;
2604         int i_format, i_num_formats;
2605         int i_port;
2606
2607         /* If we requested an adaptor and it's not this one, we aren't
2608          * interested */
2609         if( i_requested_adaptor != -1 && ((int)i_adaptor != i_requested_adaptor) )
2610         {
2611             continue;
2612         }
2613
2614         /* If the adaptor doesn't have the required properties, skip it */
2615         if( !( p_adaptor[ i_adaptor ].type & XvInputMask ) ||
2616             !( p_adaptor[ i_adaptor ].type & XvImageMask ) )
2617         {
2618             continue;
2619         }
2620
2621         /* Check that adaptor supports our requested format... */
2622         p_formats = XvListImageFormats( p_vout->p_sys->p_display,
2623                                         p_adaptor[i_adaptor].base_id,
2624                                         &i_num_formats );
2625
2626         for( i_format = 0;
2627              i_format < i_num_formats && ( i_selected_port == -1 );
2628              i_format++ )
2629         {
2630             XvAttribute     *p_attr;
2631             int             i_attr, i_num_attributes;
2632             Atom            autopaint = None, colorkey = None;
2633
2634             /* If this is not the format we want, or at least a
2635              * similar one, forget it */
2636             if( !vout_ChromaCmp( p_formats[ i_format ].id, i_chroma ) )
2637             {
2638                 continue;
2639             }
2640
2641             /* Look for the first available port supporting this format */
2642             for( i_port = p_adaptor[i_adaptor].base_id;
2643                  ( i_port < (int)(p_adaptor[i_adaptor].base_id
2644                                    + p_adaptor[i_adaptor].num_ports) )
2645                    && ( i_selected_port == -1 );
2646                  i_port++ )
2647             {
2648                 if( XvGrabPort( p_vout->p_sys->p_display, i_port, CurrentTime )
2649                      == Success )
2650                 {
2651                     i_selected_port = i_port;
2652                     p_heap->i_chroma = p_formats[ i_format ].id;
2653 #if XvVersion > 2 || ( XvVersion == 2 && XvRevision >= 2 )
2654                     p_heap->i_rmask = p_formats[ i_format ].red_mask;
2655                     p_heap->i_gmask = p_formats[ i_format ].green_mask;
2656                     p_heap->i_bmask = p_formats[ i_format ].blue_mask;
2657 #endif
2658                 }
2659             }
2660
2661             /* If no free port was found, forget it */
2662             if( i_selected_port == -1 )
2663             {
2664                 continue;
2665             }
2666
2667             /* If we found a port, print information about it */
2668             msg_Dbg( p_vout, "adaptor %i, port %i, format 0x%x (%4.4s) %s",
2669                      i_adaptor, i_selected_port, p_formats[ i_format ].id,
2670                      (char *)&p_formats[ i_format ].id,
2671                      ( p_formats[ i_format ].format == XvPacked ) ?
2672                          "packed" : "planar" );
2673
2674             /* Use XV_AUTOPAINT_COLORKEY if supported, otherwise we will
2675              * manually paint the colour key */
2676             p_attr = XvQueryPortAttributes( p_vout->p_sys->p_display,
2677                                             i_selected_port,
2678                                             &i_num_attributes );
2679
2680             for( i_attr = 0; i_attr < i_num_attributes; i_attr++ )
2681             {
2682                 if( !strcmp( p_attr[i_attr].name, "XV_AUTOPAINT_COLORKEY" ) )
2683                 {
2684                     autopaint = XInternAtom( p_vout->p_sys->p_display,
2685                                              "XV_AUTOPAINT_COLORKEY", False );
2686                     XvSetPortAttribute( p_vout->p_sys->p_display,
2687                                         i_selected_port, autopaint, 1 );
2688                 }
2689                 if( !strcmp( p_attr[i_attr].name, "XV_COLORKEY" ) )
2690                 {
2691                     /* Find out the default colour key */
2692                     colorkey = XInternAtom( p_vout->p_sys->p_display,
2693                                             "XV_COLORKEY", False );
2694                     XvGetPortAttribute( p_vout->p_sys->p_display,
2695                                         i_selected_port, colorkey,
2696                                         &p_vout->p_sys->i_colourkey );
2697                 }
2698             }
2699             p_vout->p_sys->b_paint_colourkey =
2700                 autopaint == None && colorkey != None;
2701
2702             if( p_attr != NULL )
2703             {
2704                 XFree( p_attr );
2705             }
2706         }
2707
2708         if( p_formats != NULL )
2709         {
2710             XFree( p_formats );
2711         }
2712
2713     }
2714
2715     if( i_num_adaptors > 0 )
2716     {
2717         XvFreeAdaptorInfo( p_adaptor );
2718     }
2719
2720     if( i_selected_port == -1 )
2721     {
2722         int i_chroma_tmp = X112VLC_FOURCC( i_chroma );
2723         if( i_requested_adaptor == -1 )
2724         {
2725             msg_Warn( p_vout, "no free XVideo port found for format "
2726                       "0x%.8x (%4.4s)", i_chroma_tmp, (char*)&i_chroma_tmp );
2727         }
2728         else
2729         {
2730             msg_Warn( p_vout, "XVideo adaptor %i does not have a free "
2731                       "XVideo port for format 0x%.8x (%4.4s)",
2732                       i_requested_adaptor, i_chroma_tmp, (char*)&i_chroma_tmp );
2733         }
2734     }
2735
2736     return i_selected_port;
2737 }
2738
2739 /*****************************************************************************
2740  * XVideoReleasePort: release YUV12 port
2741  *****************************************************************************/
2742 static void XVideoReleasePort( vout_thread_t *p_vout, int i_port )
2743 {
2744     XvUngrabPort( p_vout->p_sys->p_display, i_port, CurrentTime );
2745 }
2746 #endif
2747
2748 /*****************************************************************************
2749  * InitDisplay: open and initialize X11 device
2750  *****************************************************************************
2751  * Create a window according to video output given size, and set other
2752  * properties according to the display properties.
2753  *****************************************************************************/
2754 static int InitDisplay( vout_thread_t *p_vout )
2755 {
2756 #ifdef MODULE_NAME_IS_x11
2757     XPixmapFormatValues *       p_formats;                 /* pixmap formats */
2758     XVisualInfo *               p_xvisual;            /* visuals information */
2759     XVisualInfo                 xvisual_template;         /* visual template */
2760     int                         i_count, i;                    /* array size */
2761 #endif
2762
2763 #ifdef HAVE_SYS_SHM_H
2764     p_vout->p_sys->i_shm_opcode = 0;
2765
2766     if( config_GetInt( p_vout, MODULE_STRING "-shm" ) > 0 )
2767     {
2768         int major, evt, err;
2769
2770         if( XQueryExtension( p_vout->p_sys->p_display, "MIT-SHM", &major,
2771                              &evt, &err )
2772          && XShmQueryExtension( p_vout->p_sys->p_display ) )
2773             p_vout->p_sys->i_shm_opcode = major;
2774
2775         if( p_vout->p_sys->i_shm_opcode )
2776         {
2777             int major, minor;
2778             Bool pixmaps;
2779
2780             XShmQueryVersion( p_vout->p_sys->p_display, &major, &minor,
2781                               &pixmaps );
2782             msg_Dbg( p_vout, "XShm video extension v%d.%d "
2783                      "(with%s pixmaps, opcode: %d)",
2784                      major, minor, pixmaps ? "" : "out",
2785                      p_vout->p_sys->i_shm_opcode );
2786         }
2787         else
2788             msg_Warn( p_vout, "XShm video extension not available" );
2789     }
2790     else
2791         msg_Dbg( p_vout, "XShm video extension disabled" );
2792 #endif
2793
2794 #ifdef MODULE_NAME_IS_xvideo
2795     /* XXX The brightness and contrast values should be read from environment
2796      * XXX variables... */
2797 #if 0
2798     XVideoSetAttribute( p_vout, "XV_BRIGHTNESS", 0.5 );
2799     XVideoSetAttribute( p_vout, "XV_CONTRAST",   0.5 );
2800 #endif
2801 #endif
2802
2803 #ifdef MODULE_NAME_IS_x11
2804     /* Initialize structure */
2805     p_vout->p_sys->i_screen = DefaultScreen( p_vout->p_sys->p_display );
2806
2807     /* Get screen depth */
2808     p_vout->p_sys->i_screen_depth = XDefaultDepth( p_vout->p_sys->p_display,
2809                                                    p_vout->p_sys->i_screen );
2810     switch( p_vout->p_sys->i_screen_depth )
2811     {
2812     case 8:
2813         /*
2814          * Screen depth is 8bpp. Use PseudoColor visual with private colormap.
2815          */
2816         xvisual_template.screen =   p_vout->p_sys->i_screen;
2817         xvisual_template.class =    DirectColor;
2818         p_xvisual = XGetVisualInfo( p_vout->p_sys->p_display,
2819                                     VisualScreenMask | VisualClassMask,
2820                                     &xvisual_template, &i_count );
2821         if( p_xvisual == NULL )
2822         {
2823             msg_Err( p_vout, "no PseudoColor visual available" );
2824             return VLC_EGENERIC;
2825         }
2826         p_vout->p_sys->i_bytes_per_pixel = 1;
2827         p_vout->output.pf_setpalette = SetPalette;
2828         break;
2829     case 15:
2830     case 16:
2831     case 24:
2832     default:
2833         /*
2834          * Screen depth is higher than 8bpp. TrueColor visual is used.
2835          */
2836         xvisual_template.screen =   p_vout->p_sys->i_screen;
2837         xvisual_template.class =    TrueColor;
2838 /* In some cases, we get a truecolor class adaptor that has a different
2839    color depth. So try to get a real true color one first */
2840         xvisual_template.depth =    p_vout->p_sys->i_screen_depth;
2841
2842         p_xvisual = XGetVisualInfo( p_vout->p_sys->p_display,
2843                                     VisualScreenMask | VisualClassMask |
2844                                     VisualDepthMask,
2845                                     &xvisual_template, &i_count );
2846         if( p_xvisual == NULL )
2847         {
2848             msg_Warn( p_vout, "No screen matching the required color depth" );
2849             p_xvisual = XGetVisualInfo( p_vout->p_sys->p_display,
2850                                     VisualScreenMask | VisualClassMask,
2851                                     &xvisual_template, &i_count );
2852             if( p_xvisual == NULL )
2853             {
2854
2855                 msg_Err( p_vout, "no TrueColor visual available" );
2856                 return VLC_EGENERIC;
2857             }
2858         }
2859
2860         p_vout->output.i_rmask = p_xvisual->red_mask;
2861         p_vout->output.i_gmask = p_xvisual->green_mask;
2862         p_vout->output.i_bmask = p_xvisual->blue_mask;
2863
2864         /* There is no difference yet between 3 and 4 Bpp. The only way
2865          * to find the actual number of bytes per pixel is to list supported
2866          * pixmap formats. */
2867         p_formats = XListPixmapFormats( p_vout->p_sys->p_display, &i_count );
2868         p_vout->p_sys->i_bytes_per_pixel = 0;
2869
2870         for( i = 0; i < i_count; i++ )
2871         {
2872             /* Under XFree4.0, the list contains pixmap formats available
2873              * through all video depths ; so we have to check against current
2874              * depth. */
2875             if( p_formats[i].depth == (int)p_vout->p_sys->i_screen_depth )
2876             {
2877                 if( p_formats[i].bits_per_pixel / 8
2878                         > (int)p_vout->p_sys->i_bytes_per_pixel )
2879                 {
2880                     p_vout->p_sys->i_bytes_per_pixel =
2881                         p_formats[i].bits_per_pixel / 8;
2882                 }
2883             }
2884         }
2885         if( p_formats ) XFree( p_formats );
2886
2887         break;
2888     }
2889     p_vout->p_sys->p_visual = p_xvisual->visual;
2890     XFree( p_xvisual );
2891 #endif
2892
2893     return VLC_SUCCESS;
2894 }
2895
2896 #ifndef MODULE_NAME_IS_glx
2897
2898 #ifdef HAVE_SYS_SHM_H
2899 /*****************************************************************************
2900  * CreateShmImage: create an XImage or XvImage using shared memory extension
2901  *****************************************************************************
2902  * Prepare an XImage or XvImage for display function.
2903  * The order of the operations respects the recommandations of the mit-shm
2904  * document by J.Corbet and K.Packard. Most of the parameters were copied from
2905  * there. See http://ftp.xfree86.org/pub/XFree86/4.0/doc/mit-shm.TXT
2906  *****************************************************************************/
2907 IMAGE_TYPE * CreateShmImage( vout_thread_t *p_vout,
2908                                     Display* p_display, EXTRA_ARGS_SHM,
2909                                     int i_width, int i_height )
2910 {
2911     IMAGE_TYPE *p_image;
2912     Status result;
2913
2914     /* Create XImage / XvImage */
2915 #ifdef MODULE_NAME_IS_xvideo
2916     p_image = XvShmCreateImage( p_display, i_xvport, i_chroma, 0,
2917                                 i_width, i_height, p_shm );
2918 #elif defined(MODULE_NAME_IS_xvmc)
2919     p_image = XvShmCreateImage( p_display, i_xvport, i_chroma, 0,
2920                                 i_width, i_height, p_shm );
2921 #else
2922     p_image = XShmCreateImage( p_display, p_visual, i_depth, ZPixmap, 0,
2923                                p_shm, i_width, i_height );
2924 #endif
2925     if( p_image == NULL )
2926     {
2927         msg_Err( p_vout, "image creation failed" );
2928         return NULL;
2929     }
2930
2931     /* Allocate shared memory segment - 0776 set the access permission
2932      * rights (like umask), they are not yet supported by all X servers */
2933     p_shm->shmid = shmget( IPC_PRIVATE, DATA_SIZE(p_image), IPC_CREAT | 0776 );
2934     if( p_shm->shmid < 0 )
2935     {
2936         msg_Err( p_vout, "cannot allocate shared image data (%m)" );
2937         IMAGE_FREE( p_image );
2938         return NULL;
2939     }
2940
2941     /* Attach shared memory segment to process (read/write) */
2942     p_shm->shmaddr = p_image->data = shmat( p_shm->shmid, 0, 0 );
2943     if(! p_shm->shmaddr )
2944     {
2945         msg_Err( p_vout, "cannot attach shared memory (%m)" );
2946         IMAGE_FREE( p_image );
2947         shmctl( p_shm->shmid, IPC_RMID, 0 );
2948         return NULL;
2949     }
2950
2951     /* Read-only data. We won't be using XShmGetImage */
2952     p_shm->readOnly = True;
2953
2954     /* Attach shared memory segment to X server */
2955     XSynchronize( p_display, True );
2956     i_shm_major = p_vout->p_sys->i_shm_opcode;
2957     result = XShmAttach( p_display, p_shm );
2958     if( result == False || !i_shm_major )
2959     {
2960         msg_Err( p_vout, "cannot attach shared memory to X server" );
2961         IMAGE_FREE( p_image );
2962         shmctl( p_shm->shmid, IPC_RMID, 0 );
2963         shmdt( p_shm->shmaddr );
2964         return NULL;
2965     }
2966     XSynchronize( p_display, False );
2967
2968     /* Send image to X server. This instruction is required, since having
2969      * built a Shm XImage and not using it causes an error on XCloseDisplay,
2970      * and remember NOT to use XFlush ! */
2971     XSync( p_display, False );
2972
2973 #if 0
2974     /* Mark the shm segment to be removed when there are no more
2975      * attachements, so it is automatic on process exit or after shmdt */
2976     shmctl( p_shm->shmid, IPC_RMID, 0 );
2977 #endif
2978
2979     return p_image;
2980 }
2981 #endif
2982
2983 /*****************************************************************************
2984  * CreateImage: create an XImage or XvImage
2985  *****************************************************************************
2986  * Create a simple image used as a buffer.
2987  *****************************************************************************/
2988 static IMAGE_TYPE * CreateImage( vout_thread_t *p_vout,
2989                                  Display *p_display, EXTRA_ARGS,
2990                                  int i_width, int i_height )
2991 {
2992     uint8_t *    p_data;                          /* image data storage zone */
2993     IMAGE_TYPE *p_image;
2994 #ifdef MODULE_NAME_IS_x11
2995     int         i_quantum;                     /* XImage quantum (see below) */
2996     int         i_bytes_per_line;
2997 #endif
2998
2999     /* Allocate memory for image */
3000 #ifdef MODULE_NAME_IS_xvideo
3001     p_data = malloc( i_width * i_height * i_bits_per_pixel / 8 );
3002 #elif defined(MODULE_NAME_IS_x11)
3003     i_bytes_per_line = i_width * i_bytes_per_pixel;
3004     p_data = malloc( i_bytes_per_line * i_height );
3005 #endif
3006     if( !p_data )
3007         return NULL;
3008
3009 #ifdef MODULE_NAME_IS_x11
3010     /* Optimize the quantum of a scanline regarding its size - the quantum is
3011        a diviser of the number of bits between the start of two scanlines. */
3012     if( i_bytes_per_line & 0xf )
3013     {
3014         i_quantum = 0x8;
3015     }
3016     else if( i_bytes_per_line & 0x10 )
3017     {
3018         i_quantum = 0x10;
3019     }
3020     else
3021     {
3022         i_quantum = 0x20;
3023     }
3024 #endif
3025
3026     /* Create XImage. p_data will be automatically freed */
3027 #ifdef MODULE_NAME_IS_xvideo
3028     p_image = XvCreateImage( p_display, i_xvport, i_chroma,
3029                              (char *)p_data, i_width, i_height );
3030 #elif defined(MODULE_NAME_IS_x11)
3031     p_image = XCreateImage( p_display, p_visual, i_depth, ZPixmap, 0,
3032                             (char *)p_data, i_width, i_height, i_quantum, 0 );
3033 #endif
3034     if( p_image == NULL )
3035     {
3036         msg_Err( p_vout, "XCreateImage() failed" );
3037         free( p_data );
3038         return NULL;
3039     }
3040
3041     return p_image;
3042 }
3043
3044 #endif
3045 /*****************************************************************************
3046  * X11ErrorHandler: replace error handler so we can intercept some of them
3047  *****************************************************************************/
3048 static int X11ErrorHandler( Display * display, XErrorEvent * event )
3049 {
3050     char txt[1024];
3051
3052     XGetErrorText( display, event->error_code, txt, sizeof( txt ) );
3053     fprintf( stderr,
3054              "[????????] x11 video output error: X11 request %u.%u failed "
3055               "with error code %u:\n %s\n",
3056              event->request_code, event->minor_code, event->error_code, txt );
3057
3058     switch( event->request_code )
3059     {
3060     case X_SetInputFocus:
3061         /* Ignore errors on XSetInputFocus()
3062          * (they happen when a window is not yet mapped) */
3063         return 0;
3064     }
3065
3066 #ifdef HAVE_SYS_SHM_H
3067     if( event->request_code == i_shm_major ) /* MIT-SHM */
3068     {
3069         fprintf( stderr,
3070                  "[????????] x11 video output notice:"
3071                  " buggy X11 server claims shared memory\n"
3072                  "[????????] x11 video output notice:"
3073                  " support though it does not work (OpenSSH?)\n" );
3074         return i_shm_major = 0;
3075     }
3076 #endif
3077
3078 #ifndef HAVE_OSSO
3079     XSetErrorHandler(NULL);
3080     return (XSetErrorHandler(X11ErrorHandler))( display, event );
3081 #else
3082     /* Work-around Maemo Xvideo bug */
3083     return 0;
3084 #endif
3085 }
3086
3087 #ifdef MODULE_NAME_IS_x11
3088 /*****************************************************************************
3089  * SetPalette: sets an 8 bpp palette
3090  *****************************************************************************
3091  * This function sets the palette given as an argument. It does not return
3092  * anything, but could later send information on which colors it was unable
3093  * to set.
3094  *****************************************************************************/
3095 static void SetPalette( vout_thread_t *p_vout,
3096                         uint16_t *red, uint16_t *green, uint16_t *blue )
3097 {
3098     int i;
3099     XColor p_colors[255];
3100
3101     /* allocate palette */
3102     for( i = 0; i < 255; i++ )
3103     {
3104         /* kludge: colors are indexed reversely because color 255 seems
3105          * to be reserved for black even if we try to set it to white */
3106         p_colors[ i ].pixel = 255 - i;
3107         p_colors[ i ].pad   = 0;
3108         p_colors[ i ].flags = DoRed | DoGreen | DoBlue;
3109         p_colors[ i ].red   = red[ 255 - i ];
3110         p_colors[ i ].blue  = blue[ 255 - i ];
3111         p_colors[ i ].green = green[ 255 - i ];
3112     }
3113
3114     XStoreColors( p_vout->p_sys->p_display,
3115                   p_vout->p_sys->colormap, p_colors, 255 );
3116 }
3117 #endif
3118
3119 /*****************************************************************************
3120  * Control: control facility for the vout
3121  *****************************************************************************/
3122 static int Control( vout_thread_t *p_vout, int i_query, va_list args )
3123 {
3124     bool b_arg;
3125     unsigned int i_width, i_height;
3126     unsigned int *pi_width, *pi_height;
3127     Drawable d = 0;
3128
3129     switch( i_query )
3130     {
3131         case VOUT_GET_SIZE:
3132             if( p_vout->p_sys->p_win->owner_window )
3133                 return vout_ControlWindow( p_vout->p_sys->p_win->owner_window,
3134                                            i_query, args);
3135
3136             pi_width  = va_arg( args, unsigned int * );
3137             pi_height = va_arg( args, unsigned int * );
3138
3139             vlc_mutex_lock( &p_vout->p_sys->lock );
3140             *pi_width  = p_vout->p_sys->p_win->i_width;
3141             *pi_height = p_vout->p_sys->p_win->i_height;
3142             vlc_mutex_unlock( &p_vout->p_sys->lock );
3143             return VLC_SUCCESS;
3144
3145         case VOUT_SET_SIZE:
3146             if( p_vout->p_sys->p_win->owner_window )
3147                 return vout_ControlWindow( p_vout->p_sys->p_win->owner_window,
3148                                            i_query, args);
3149
3150             vlc_mutex_lock( &p_vout->p_sys->lock );
3151
3152             i_width  = va_arg( args, unsigned int );
3153             i_height = va_arg( args, unsigned int );
3154             if( !i_width ) i_width = p_vout->i_window_width;
3155             if( !i_height ) i_height = p_vout->i_window_height;
3156
3157 #ifdef MODULE_NAME_IS_xvmc
3158             xvmc_context_reader_lock( &p_vout->p_sys->xvmc_lock );
3159 #endif
3160             /* Update dimensions */
3161             XResizeWindow( p_vout->p_sys->p_display,
3162                            p_vout->p_sys->p_win->base_window,
3163                            i_width, i_height );
3164 #ifdef MODULE_NAME_IS_xvmc
3165             xvmc_context_reader_unlock( &p_vout->p_sys->xvmc_lock );
3166 #endif
3167             vlc_mutex_unlock( &p_vout->p_sys->lock );
3168             return VLC_SUCCESS;
3169
3170        case VOUT_CLOSE:
3171             vlc_mutex_lock( &p_vout->p_sys->lock );
3172             XUnmapWindow( p_vout->p_sys->p_display,
3173                           p_vout->p_sys->original_window.base_window );
3174             vlc_mutex_unlock( &p_vout->p_sys->lock );
3175             /* Fall through */
3176
3177        case VOUT_REPARENT:
3178             vlc_mutex_lock( &p_vout->p_sys->lock );
3179             if( i_query == VOUT_REPARENT ) d = (Drawable)va_arg( args, int );
3180             if( !d )
3181             {
3182 #ifdef MODULE_NAME_IS_xvmc
3183             xvmc_context_reader_lock( &p_vout->p_sys->xvmc_lock );
3184 #endif
3185             XReparentWindow( p_vout->p_sys->p_display,
3186                              p_vout->p_sys->original_window.base_window,
3187                              DefaultRootWindow( p_vout->p_sys->p_display ),
3188                              0, 0 );
3189             }
3190             else
3191             XReparentWindow( p_vout->p_sys->p_display,
3192                              p_vout->p_sys->original_window.base_window,
3193                              d, 0, 0);
3194             XSync( p_vout->p_sys->p_display, False );
3195 #ifdef MODULE_NAME_IS_xvmc
3196             xvmc_context_reader_unlock( &p_vout->p_sys->xvmc_lock );
3197 #endif
3198             vlc_mutex_unlock( &p_vout->p_sys->lock );
3199             vout_ReleaseWindow( p_vout->p_sys->p_win->owner_window );
3200             p_vout->p_sys->original_window.owner_window = NULL;
3201             return VLC_SUCCESS;
3202
3203         case VOUT_SET_STAY_ON_TOP:
3204             if( p_vout->p_sys->p_win->owner_window )
3205                 return vout_ControlWindow( p_vout->p_sys->p_win->owner_window,
3206                                            i_query, args);
3207
3208             b_arg = (bool) va_arg( args, int );
3209             vlc_mutex_lock( &p_vout->p_sys->lock );
3210 #ifdef MODULE_NAME_IS_xvmc
3211             xvmc_context_reader_lock( &p_vout->p_sys->xvmc_lock );
3212 #endif
3213             WindowOnTop( p_vout, b_arg );
3214 #ifdef MODULE_NAME_IS_xvmc
3215             xvmc_context_reader_unlock( &p_vout->p_sys->xvmc_lock );
3216 #endif
3217             vlc_mutex_unlock( &p_vout->p_sys->lock );
3218             return VLC_SUCCESS;
3219
3220        default:
3221             return vout_vaControlDefault( p_vout, i_query, args );
3222     }
3223 }
3224
3225 /*****************************************************************************
3226  * TestNetWMSupport: tests for Extended Window Manager Hints support
3227  *****************************************************************************/
3228 static void TestNetWMSupport( vout_thread_t *p_vout )
3229 {
3230     int i_ret, i_format;
3231     unsigned long i, i_items, i_bytesafter;
3232     Atom net_wm_supported;
3233     union { Atom *p_atom; unsigned char *p_char; } p_args;
3234
3235     p_args.p_atom = NULL;
3236
3237     p_vout->p_sys->b_net_wm_state_fullscreen =
3238     p_vout->p_sys->b_net_wm_state_above =
3239     p_vout->p_sys->b_net_wm_state_below =
3240     p_vout->p_sys->b_net_wm_state_stays_on_top =
3241         false;
3242
3243     net_wm_supported =
3244         XInternAtom( p_vout->p_sys->p_display, "_NET_SUPPORTED", False );
3245
3246     i_ret = XGetWindowProperty( p_vout->p_sys->p_display,
3247                                 DefaultRootWindow( p_vout->p_sys->p_display ),
3248                                 net_wm_supported,
3249                                 0, 16384, False, AnyPropertyType,
3250                                 &net_wm_supported,
3251                                 &i_format, &i_items, &i_bytesafter,
3252                                 (unsigned char **)&p_args );
3253
3254     if( i_ret != Success || i_items == 0 ) return;
3255
3256     msg_Dbg( p_vout, "Window manager supports NetWM" );
3257
3258     p_vout->p_sys->net_wm_state =
3259         XInternAtom( p_vout->p_sys->p_display, "_NET_WM_STATE", False );
3260     p_vout->p_sys->net_wm_state_fullscreen =
3261         XInternAtom( p_vout->p_sys->p_display, "_NET_WM_STATE_FULLSCREEN",
3262                      False );
3263     p_vout->p_sys->net_wm_state_above =
3264         XInternAtom( p_vout->p_sys->p_display, "_NET_WM_STATE_ABOVE", False );
3265     p_vout->p_sys->net_wm_state_below =
3266         XInternAtom( p_vout->p_sys->p_display, "_NET_WM_STATE_BELOW", False );
3267     p_vout->p_sys->net_wm_state_stays_on_top =
3268         XInternAtom( p_vout->p_sys->p_display, "_NET_WM_STATE_STAYS_ON_TOP",
3269                      False );
3270
3271     for( i = 0; i < i_items; i++ )
3272     {
3273         if( p_args.p_atom[i] == p_vout->p_sys->net_wm_state_fullscreen )
3274         {
3275             msg_Dbg( p_vout,
3276                      "Window manager supports _NET_WM_STATE_FULLSCREEN" );
3277             p_vout->p_sys->b_net_wm_state_fullscreen = true;
3278         }
3279         else if( p_args.p_atom[i] == p_vout->p_sys->net_wm_state_above )
3280         {
3281             msg_Dbg( p_vout, "Window manager supports _NET_WM_STATE_ABOVE" );
3282             p_vout->p_sys->b_net_wm_state_above = true;
3283         }
3284         else if( p_args.p_atom[i] == p_vout->p_sys->net_wm_state_below )
3285         {
3286             msg_Dbg( p_vout, "Window manager supports _NET_WM_STATE_BELOW" );
3287             p_vout->p_sys->b_net_wm_state_below = true;
3288         }
3289         else if( p_args.p_atom[i] == p_vout->p_sys->net_wm_state_stays_on_top )
3290         {
3291             msg_Dbg( p_vout,
3292                      "Window manager supports _NET_WM_STATE_STAYS_ON_TOP" );
3293             p_vout->p_sys->b_net_wm_state_stays_on_top = true;
3294         }
3295     }
3296
3297     XFree( p_args.p_atom );
3298 }
3299
3300 /*****************************************************************************
3301  * Key events handling
3302  *****************************************************************************/
3303 static const struct
3304 {
3305     int i_x11key;
3306     int i_vlckey;
3307
3308 } x11keys_to_vlckeys[] =
3309 {
3310     { XK_F1, KEY_F1 }, { XK_F2, KEY_F2 }, { XK_F3, KEY_F3 }, { XK_F4, KEY_F4 },
3311     { XK_F5, KEY_F5 }, { XK_F6, KEY_F6 }, { XK_F7, KEY_F7 }, { XK_F8, KEY_F8 },
3312     { XK_F9, KEY_F9 }, { XK_F10, KEY_F10 }, { XK_F11, KEY_F11 },
3313     { XK_F12, KEY_F12 },
3314
3315     { XK_Return, KEY_ENTER },
3316     { XK_KP_Enter, KEY_ENTER },
3317     { XK_space, KEY_SPACE },
3318     { XK_Escape, KEY_ESC },
3319
3320     { XK_Menu, KEY_MENU },
3321     { XK_Left, KEY_LEFT },
3322     { XK_Right, KEY_RIGHT },
3323     { XK_Up, KEY_UP },
3324     { XK_Down, KEY_DOWN },
3325
3326     { XK_Home, KEY_HOME },
3327     { XK_End, KEY_END },
3328     { XK_Page_Up, KEY_PAGEUP },
3329     { XK_Page_Down, KEY_PAGEDOWN },
3330
3331     { XK_Insert, KEY_INSERT },
3332     { XK_Delete, KEY_DELETE },
3333     { XF86XK_AudioNext, KEY_MEDIA_NEXT_TRACK},
3334     { XF86XK_AudioPrev, KEY_MEDIA_PREV_TRACK},
3335     { XF86XK_AudioMute, KEY_VOLUME_MUTE },
3336     { XF86XK_AudioLowerVolume, KEY_VOLUME_DOWN },
3337     { XF86XK_AudioRaiseVolume, KEY_VOLUME_UP },
3338     { XF86XK_AudioPlay, KEY_MEDIA_PLAY_PAUSE },
3339     { XF86XK_AudioPause, KEY_MEDIA_PLAY_PAUSE },
3340
3341     { 0, 0 }
3342 };
3343
3344 static int ConvertKey( int i_key )
3345 {
3346     int i;
3347
3348     for( i = 0; x11keys_to_vlckeys[i].i_x11key != 0; i++ )
3349     {
3350         if( x11keys_to_vlckeys[i].i_x11key == i_key )
3351         {
3352             return x11keys_to_vlckeys[i].i_vlckey;
3353         }
3354     }
3355
3356     return 0;
3357 }
3358
3359 /*****************************************************************************
3360  * WindowOnTop: Switches the "always on top" state of the video window.
3361  *****************************************************************************/
3362 static int WindowOnTop( vout_thread_t *p_vout, bool b_on_top )
3363 {
3364     if( p_vout->p_sys->b_net_wm_state_stays_on_top )
3365     {
3366         XClientMessageEvent event;
3367
3368         memset( &event, 0, sizeof( XClientMessageEvent ) );
3369
3370         event.type = ClientMessage;
3371         event.message_type = p_vout->p_sys->net_wm_state;
3372         event.display = p_vout->p_sys->p_display;
3373         event.window = p_vout->p_sys->p_win->base_window;
3374         event.format = 32;
3375         event.data.l[ 0 ] = b_on_top; /* set property */
3376         event.data.l[ 1 ] = p_vout->p_sys->net_wm_state_stays_on_top;
3377
3378         XSendEvent( p_vout->p_sys->p_display,
3379                     DefaultRootWindow( p_vout->p_sys->p_display ),
3380                     False, SubstructureRedirectMask,
3381                     (XEvent*)&event );
3382     }
3383
3384     /* use _NET_WM_STATE_ABOVE if window manager
3385      * doesn't handle _NET_WM_STATE_STAYS_ON_TOP */
3386     else if( p_vout->p_sys->b_net_wm_state_above )
3387     {
3388         XClientMessageEvent event;
3389
3390         memset( &event, 0, sizeof( XClientMessageEvent ) );
3391
3392         event.type = ClientMessage;
3393         event.message_type = p_vout->p_sys->net_wm_state;
3394         event.display = p_vout->p_sys->p_display;
3395         event.window = p_vout->p_sys->p_win->base_window;
3396         event.format = 32;
3397         event.data.l[ 0 ] = b_on_top; /* set property */
3398         event.data.l[ 1 ] = p_vout->p_sys->net_wm_state_above;
3399
3400         XSendEvent( p_vout->p_sys->p_display,
3401                     DefaultRootWindow( p_vout->p_sys->p_display ),
3402                     False, SubstructureRedirectMask,
3403                     (XEvent*)&event );
3404     }
3405
3406     return VLC_SUCCESS;
3407 }