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/vlc.h>
  35 #include <vlc_interface.h>
  36 #include <vlc_playlist.h>
  37 #include <vlc_vout.h>
  38 #include <vlc_keys.h>
  39
  40 #include <errno.h>                                                 /* ENOMEM */
  41
  42 #ifdef HAVE_MACHINE_PARAM_H
  43     /* BSD */
  44 #   include <machine/param.h>
  45 #   include <sys/types.h>                                  /* typedef ushort */
  46 #   include <sys/ipc.h>
  47 #endif
  48
  49 #ifndef WIN32
  50 #   include <netinet/in.h>                            /* BSD: struct in_addr */
  51 #endif
  52
  53 #ifdef HAVE_XSP
  54 #include <X11/extensions/Xsp.h>
  55 #endif
  56
  57 #ifdef HAVE_SYS_SHM_H
  58 #   include <sys/shm.h>                                /* shmget(), shmctl() */
  59 #endif
  60
  61 #include <X11/Xlib.h>
  62 #include <X11/Xproto.h>
  63 #include <X11/Xmd.h>
  64 #include <X11/Xutil.h>
  65 #include <X11/keysym.h>
  66 #include <X11/XF86keysym.h>
  67 #ifdef HAVE_SYS_SHM_H
  68 #   include <X11/extensions/XShm.h>
  69 #endif
  70 #ifdef DPMSINFO_IN_DPMS_H
  71 #   include <X11/extensions/dpms.h>
  72 #endif
  73
  74 #if defined(MODULE_NAME_IS_xvideo) || defined(MODULE_NAME_IS_xvmc)
  75 #   include <X11/extensions/Xv.h>
  76 #   include <X11/extensions/Xvlib.h>
  77 #endif
  78
  79 #ifdef MODULE_NAME_IS_glx
  80 #   include <GL/glx.h>
  81 #endif
  82
  83 #ifdef HAVE_XINERAMA
  84 #   include <X11/extensions/Xinerama.h>
  85 #endif
  86
  87 #ifdef HAVE_X11_EXTENSIONS_XF86VMODE_H
  88 #   include <X11/extensions/xf86vmode.h>
  89 #endif
  90
  91 #ifdef MODULE_NAME_IS_xvmc
  92 #   include <X11/extensions/vldXvMC.h>
  93 #   include "../../codec/xvmc/accel_xvmc.h"
  94 #endif
  95
  96 #include "xcommon.h"
  97
  98 /*****************************************************************************
  99  * Local prototypes
 100  *****************************************************************************/
 101 int  Activate   ( vlc_object_t * );
 102 void Deactivate ( vlc_object_t * );
 103
 104 static int  InitVideo      ( vout_thread_t * );
 105 static void EndVideo       ( vout_thread_t * );
 106 static void DisplayVideo   ( vout_thread_t *, picture_t * );
 107 static int  ManageVideo    ( vout_thread_t * );
 108 static int  Control        ( vout_thread_t *, int, va_list );
 109
 110 static int  InitDisplay    ( vout_thread_t * );
 111
 112 static int  CreateWindow   ( vout_thread_t *, x11_window_t * );
 113 static void DestroyWindow  ( vout_thread_t *, x11_window_t * );
 114
 115 static int  NewPicture     ( vout_thread_t *, picture_t * );
 116 static void FreePicture    ( vout_thread_t *, picture_t * );
 117
 118 #ifndef MODULE_NAME_IS_glx
 119 static IMAGE_TYPE *CreateImage    ( vout_thread_t *,
 120                                     Display *, EXTRA_ARGS, int, int );
 121 #endif
 122
 123 #ifdef HAVE_SYS_SHM_H
 124 #ifndef MODULE_NAME_IS_glx
 125 IMAGE_TYPE *CreateShmImage ( vout_thread_t *,
 126                                     Display *, EXTRA_ARGS_SHM, int, int );
 127 #endif
 128 static int i_shm_major = 0;
 129 #endif
 130
 131 static void ToggleFullScreen      ( vout_thread_t * );
 132
 133 static void EnableXScreenSaver    ( vout_thread_t * );
 134 static void DisableXScreenSaver   ( vout_thread_t * );
 135
 136 static void CreateCursor   ( vout_thread_t * );
 137 static void DestroyCursor  ( vout_thread_t * );
 138 static void ToggleCursor   ( vout_thread_t * );
 139
 140 #if defined(MODULE_NAME_IS_xvideo) || defined(MODULE_NAME_IS_xvmc)
 141 static int  XVideoGetPort    ( vout_thread_t *, vlc_fourcc_t, vlc_fourcc_t * );
 142 static void XVideoReleasePort( vout_thread_t *, int );
 143 #endif
 144
 145 #ifdef MODULE_NAME_IS_x11
 146 static void SetPalette     ( vout_thread_t *,
 147                              uint16_t *, uint16_t *, uint16_t * );
 148 #endif
 149
 150 #ifdef MODULE_NAME_IS_xvmc
 151 static void RenderVideo    ( vout_thread_t *, picture_t * );
 152 static int  xvmc_check_yv12( Display *display, XvPortID port );
 153 static void xvmc_update_XV_DOUBLE_BUFFER( vout_thread_t *p_vout );
 154 #endif
 155
 156 static void TestNetWMSupport( vout_thread_t * );
 157 static int ConvertKey( int );
 158
 159 static int WindowOnTop( vout_thread_t *, bool );
 160
 161 static int X11ErrorHandler( Display *, XErrorEvent * );
 162
 163 #ifdef HAVE_XSP
 164 static void EnablePixelDoubling( vout_thread_t *p_vout );
 165 static void DisablePixelDoubling( vout_thread_t *p_vout );
 166 #endif
 167
 168 #ifdef HAVE_OSSO
 169 static const int i_backlight_on_interval = 300;
 170 #endif
 171
 172
 173
 174 /*****************************************************************************
 175  * Activate: allocate X11 video thread output method
 176  *****************************************************************************
 177  * This function allocate and initialize a X11 vout method. It uses some of the
 178  * vout properties to choose the window size, and change them according to the
 179  * actual properties of the display.
 180  *****************************************************************************/
 181 int Activate ( vlc_object_t *p_this )
 182 {
 183     vout_thread_t *p_vout = (vout_thread_t *)p_this;
 184     char *        psz_display;
 185     vlc_value_t   val;
 186 #if defined(MODULE_NAME_IS_xvmc)
 187     char *psz_value;
 188 #endif
 189 #if defined(MODULE_NAME_IS_xvideo) || defined(MODULE_NAME_IS_xvmc)
 190     char *       psz_chroma;
 191     vlc_fourcc_t i_chroma = 0;
 192     bool   b_chroma = 0;
 193 #endif
 194
 195     p_vout->pf_init = InitVideo;
 196     p_vout->pf_end = EndVideo;
 197     p_vout->pf_manage = ManageVideo;
 198 #ifdef MODULE_NAME_IS_xvmc
 199     p_vout->pf_render = RenderVideo;
 200 #else
 201     p_vout->pf_render = NULL;
 202 #endif
 203     p_vout->pf_display = DisplayVideo;
 204     p_vout->pf_control = Control;
 205
 206     /* Allocate structure */
 207     p_vout->p_sys = malloc( sizeof( vout_sys_t ) );
 208     if( p_vout->p_sys == NULL )
 209     {
 210         msg_Err( p_vout, "out of memory" );
 211         return VLC_ENOMEM;
 212     }
 213
 214     vlc_mutex_init( &p_vout->p_sys->lock );
 215
 216     /* Open display, using the "display" config variable or the DISPLAY
 217      * environment variable */
 218     psz_display = config_GetPsz( p_vout, MODULE_STRING "-display" );
 219
 220     p_vout->p_sys->p_display = XOpenDisplay( psz_display );
 221
 222     if( p_vout->p_sys->p_display == NULL )                         /* error */
 223     {
 224         msg_Err( p_vout, "cannot open display %s",
 225                          XDisplayName( psz_display ) );
 226         free( p_vout->p_sys );
 227         free( psz_display );
 228         return VLC_EGENERIC;
 229     }
 230     free( psz_display );
 231
 232     /* Replace error handler so we can intercept some non-fatal errors */
 233     XSetErrorHandler( X11ErrorHandler );
 234
 235     /* Get a screen ID matching the XOpenDisplay return value */
 236     p_vout->p_sys->i_screen = DefaultScreen( p_vout->p_sys->p_display );
 237
 238 #if defined(MODULE_NAME_IS_xvideo) || defined(MODULE_NAME_IS_xvmc)
 239     psz_chroma = config_GetPsz( p_vout, "xvideo-chroma" );
 240     if( psz_chroma )
 241     {
 242         if( strlen( psz_chroma ) >= 4 )
 243         {
 244             /* Do not use direct assignment because we are not sure of the
 245              * alignment. */
 246             memcpy(&i_chroma, psz_chroma, 4);
 247             b_chroma = 1;
 248         }
 249
 250         free( psz_chroma );
 251     }
 252
 253     if( b_chroma )
 254     {
 255         msg_Dbg( p_vout, "forcing chroma 0x%.8x (%4.4s)",
 256                  i_chroma, (char*)&i_chroma );
 257     }
 258     else
 259     {
 260         i_chroma = p_vout->render.i_chroma;
 261     }
 262
 263     /* Check that we have access to an XVideo port providing this chroma */
 264     p_vout->p_sys->i_xvport = XVideoGetPort( p_vout, VLC2X11_FOURCC(i_chroma),
 265                                              &p_vout->output.i_chroma );
 266     if( p_vout->p_sys->i_xvport < 0 )
 267     {
 268         /* If a specific chroma format was requested, then we don't try to
 269          * be cleverer than the user. He knew pretty well what he wanted. */
 270         if( b_chroma )
 271         {
 272             XCloseDisplay( p_vout->p_sys->p_display );
 273             free( p_vout->p_sys );
 274             return VLC_EGENERIC;
 275         }
 276
 277         /* It failed, but it's not completely lost ! We try to open an
 278          * XVideo port for an YUY2 picture. We'll need to do an YUV
 279          * conversion, but at least it has got scaling. */
 280         p_vout->p_sys->i_xvport =
 281                         XVideoGetPort( p_vout, X11_FOURCC('Y','U','Y','2'),
 282                                                &p_vout->output.i_chroma );
 283         if( p_vout->p_sys->i_xvport < 0 )
 284         {
 285             /* It failed, but it's not completely lost ! We try to open an
 286              * XVideo port for a simple 16bpp RGB picture. We'll need to do
 287              * an YUV conversion, but at least it has got scaling. */
 288             p_vout->p_sys->i_xvport =
 289                             XVideoGetPort( p_vout, X11_FOURCC('R','V','1','6'),
 290                                                    &p_vout->output.i_chroma );
 291             if( p_vout->p_sys->i_xvport < 0 )
 292             {
 293                 XCloseDisplay( p_vout->p_sys->p_display );
 294                 free( p_vout->p_sys );
 295                 return VLC_EGENERIC;
 296             }
 297         }
 298     }
 299     p_vout->output.i_chroma = X112VLC_FOURCC(p_vout->output.i_chroma);
 300 #elif defined(MODULE_NAME_IS_glx)
 301     {
 302         int i_opcode, i_evt, i_err = 0;
 303         int i_maj, i_min = 0;
 304
 305         /* Check for GLX extension */
 306         if( !XQueryExtension( p_vout->p_sys->p_display, "GLX",
 307                               &i_opcode, &i_evt, &i_err ) )
 308         {
 309             msg_Err( p_this, "GLX extension not supported" );
 310             XCloseDisplay( p_vout->p_sys->p_display );
 311             free( p_vout->p_sys );
 312             return VLC_EGENERIC;
 313         }
 314         if( !glXQueryExtension( p_vout->p_sys->p_display, &i_err, &i_evt ) )
 315         {
 316             msg_Err( p_this, "glXQueryExtension failed" );
 317             XCloseDisplay( p_vout->p_sys->p_display );
 318             free( p_vout->p_sys );
 319             return VLC_EGENERIC;
 320         }
 321
 322         /* Check GLX version */
 323         if (!glXQueryVersion( p_vout->p_sys->p_display, &i_maj, &i_min ) )
 324         {
 325             msg_Err( p_this, "glXQueryVersion failed" );
 326             XCloseDisplay( p_vout->p_sys->p_display );
 327             free( p_vout->p_sys );
 328             return VLC_EGENERIC;
 329         }
 330         if( i_maj <= 0 || ((i_maj == 1) && (i_min < 3)) )
 331         {
 332             p_vout->p_sys->b_glx13 = false;
 333             msg_Dbg( p_this, "using GLX 1.2 API" );
 334         }
 335         else
 336         {
 337             p_vout->p_sys->b_glx13 = true;
 338             msg_Dbg( p_this, "using GLX 1.3 API" );
 339         }
 340     }
 341 #endif
 342
 343     /* Create blank cursor (for mouse cursor autohiding) */
 344     p_vout->p_sys->i_time_mouse_last_moved = mdate();
 345     p_vout->p_sys->i_mouse_hide_timeout =
 346         var_GetInteger(p_vout, "mouse-hide-timeout") * 1000;
 347     p_vout->p_sys->b_mouse_pointer_visible = 1;
 348     CreateCursor( p_vout );
 349
 350     /* Set main window's size */
 351     p_vout->p_sys->original_window.i_width = p_vout->i_window_width;
 352     p_vout->p_sys->original_window.i_height = p_vout->i_window_height;
 353     var_Create( p_vout, "video-title", VLC_VAR_STRING | VLC_VAR_DOINHERIT );
 354     /* Spawn base window - this window will include the video output window,
 355      * but also command buttons, subtitles and other indicators */
 356     if( CreateWindow( p_vout, &p_vout->p_sys->original_window ) )
 357     {
 358         msg_Err( p_vout, "cannot create X11 window" );
 359         DestroyCursor( p_vout );
 360         XCloseDisplay( p_vout->p_sys->p_display );
 361         free( p_vout->p_sys );
 362         return VLC_EGENERIC;
 363     }
 364
 365     /* Open and initialize device. */
 366     if( InitDisplay( p_vout ) )
 367     {
 368         msg_Err( p_vout, "cannot initialize X11 display" );
 369         DestroyCursor( p_vout );
 370         DestroyWindow( p_vout, &p_vout->p_sys->original_window );
 371         XCloseDisplay( p_vout->p_sys->p_display );
 372         free( p_vout->p_sys );
 373         return VLC_EGENERIC;
 374     }
 375
 376     /* Disable screen saver */
 377     DisableXScreenSaver( p_vout );
 378
 379     /* Misc init */
 380     p_vout->p_sys->b_altfullscreen = 0;
 381     p_vout->p_sys->i_time_button_last_pressed = 0;
 382
 383     TestNetWMSupport( p_vout );
 384
 385 #ifdef MODULE_NAME_IS_xvmc
 386     p_vout->p_sys->p_last_subtitle_save = NULL;
 387     psz_value = config_GetPsz( p_vout, "xvmc-deinterlace-mode" );
 388
 389     /* Look what method was requested */
 390     //var_Create( p_vout, "xvmc-deinterlace-mode", VLC_VAR_STRING );
 391     //var_Change( p_vout, "xvmc-deinterlace-mode", VLC_VAR_INHERITVALUE, &val, NULL );
 392     if( psz_value )
 393     {
 394         if( (strcmp(psz_value, "bob") == 0) ||
 395             (strcmp(psz_value, "blend") == 0) )
 396            p_vout->p_sys->xvmc_deinterlace_method = 2;
 397         else if (strcmp(psz_value, "discard") == 0)
 398            p_vout->p_sys->xvmc_deinterlace_method = 1;
 399         else
 400            p_vout->p_sys->xvmc_deinterlace_method = 0;
 401         free(psz_value );
 402     }
 403     else
 404         p_vout->p_sys->xvmc_deinterlace_method = 0;
 405
 406     /* Look what method was requested */
 407     //var_Create( p_vout, "xvmc-crop-style", VLC_VAR_STRING );
 408     //var_Change( p_vout, "xvmc-crop-style", VLC_VAR_INHERITVALUE, &val, NULL );
 409     psz_value = config_GetPsz( p_vout, "xvmc-crop-style" );
 410
 411     if( psz_value )
 412     {
 413         if( strncmp( psz_value, "eq", 2 ) == 0 )
 414            p_vout->p_sys->xvmc_crop_style = 1;
 415         else if( strncmp( psz_value, "4-16", 4 ) == 0)
 416            p_vout->p_sys->xvmc_crop_style = 2;
 417         else if( strncmp( psz_value, "16-4", 4 ) == 0)
 418            p_vout->p_sys->xvmc_crop_style = 3;
 419         else
 420            p_vout->p_sys->xvmc_crop_style = 0;
 421         free( psz_value );
 422     }
 423     else
 424         p_vout->p_sys->xvmc_crop_style = 0;
 425
 426     msg_Dbg(p_vout, "Deinterlace = %d", p_vout->p_sys->xvmc_deinterlace_method);
 427     msg_Dbg(p_vout, "Crop = %d", p_vout->p_sys->xvmc_crop_style);
 428
 429     if( checkXvMCCap( p_vout ) == VLC_EGENERIC )
 430     {
 431         msg_Err( p_vout, "no XVMC capability found" );
 432         Deactivate( p_vout );
 433         return VLC_EGENERIC;
 434     }
 435     subpicture_t sub_pic;
 436     sub_pic.p_sys = NULL;
 437     p_vout->p_sys->last_date = 0;
 438 #endif
 439
 440 #ifdef HAVE_XSP
 441     p_vout->p_sys->i_hw_scale = 1;
 442 #endif
 443
 444 #ifdef HAVE_OSSO
 445     p_vout->p_sys->i_backlight_on_counter = i_backlight_on_interval;
 446     p_vout->p_sys->p_octx = osso_initialize( "vlc", VERSION, 0, NULL );
 447     if ( p_vout->p_sys->p_octx == NULL ) {
 448         msg_Err( p_vout, "Could not get osso context" );
 449     } else {
 450         msg_Dbg( p_vout, "Initialized osso context" );
 451     }
 452 #endif
 453
 454     /* Variable to indicate if the window should be on top of others */
 455     /* Trigger a callback right now */
 456     var_Get( p_vout, "video-on-top", &val );
 457     var_Set( p_vout, "video-on-top", val );
 458
 459     return VLC_SUCCESS;
 460 }
 461
 462 /*****************************************************************************
 463  * Deactivate: destroy X11 video thread output method
 464  *****************************************************************************
 465  * Terminate an output method created by Open
 466  *****************************************************************************/
 467 void Deactivate ( vlc_object_t *p_this )
 468 {
 469     vout_thread_t *p_vout = (vout_thread_t *)p_this;
 470
 471     /* If the fullscreen window is still open, close it */
 472     if( p_vout->b_fullscreen )
 473     {
 474         ToggleFullScreen( p_vout );
 475     }
 476
 477     /* Restore cursor if it was blanked */
 478     if( !p_vout->p_sys->b_mouse_pointer_visible )
 479     {
 480         ToggleCursor( p_vout );
 481     }
 482
 483 #ifdef MODULE_NAME_IS_x11
 484     /* Destroy colormap */
 485     if( XDefaultDepth(p_vout->p_sys->p_display, p_vout->p_sys->i_screen) == 8 )
 486     {
 487         XFreeColormap( p_vout->p_sys->p_display, p_vout->p_sys->colormap );
 488     }
 489 #elif defined(MODULE_NAME_IS_xvideo)
 490     XVideoReleasePort( p_vout, p_vout->p_sys->i_xvport );
 491 #elif defined(MODULE_NAME_IS_xvmc)
 492     if( p_vout->p_sys->xvmc_cap )
 493     {
 494         xvmc_context_writer_lock( &p_vout->p_sys->xvmc_lock );
 495         xxmc_dispose_context( p_vout );
 496         if( p_vout->p_sys->old_subpic )
 497         {
 498             xxmc_xvmc_free_subpicture( p_vout, p_vout->p_sys->old_subpic );
 499             p_vout->p_sys->old_subpic = NULL;
 500         }
 501         if( p_vout->p_sys->new_subpic )
 502         {
 503             xxmc_xvmc_free_subpicture( p_vout, p_vout->p_sys->new_subpic );
 504             p_vout->p_sys->new_subpic = NULL;
 505         }
 506         free( p_vout->p_sys->xvmc_cap );
 507         xvmc_context_writer_unlock( &p_vout->p_sys->xvmc_lock );
 508     }
 509 #endif
 510
 511 #ifdef HAVE_XSP
 512     DisablePixelDoubling(p_vout);
 513 #endif
 514
 515     DestroyCursor( p_vout );
 516     EnableXScreenSaver( p_vout );
 517     DestroyWindow( p_vout, &p_vout->p_sys->original_window );
 518     XCloseDisplay( p_vout->p_sys->p_display );
 519
 520     /* Destroy structure */
 521     vlc_mutex_destroy( &p_vout->p_sys->lock );
 522 #ifdef MODULE_NAME_IS_xvmc
 523     free_context_lock( &p_vout->p_sys->xvmc_lock );
 524 #endif
 525
 526 #ifdef HAVE_OSSO
 527     if ( p_vout->p_sys->p_octx != NULL ) {
 528         msg_Dbg( p_vout, "Deinitializing osso context" );
 529         osso_deinitialize( p_vout->p_sys->p_octx );
 530     }
 531 #endif
 532
 533     free( p_vout->p_sys );
 534 }
 535
 536 #ifdef MODULE_NAME_IS_xvmc
 537
 538 #define XINE_IMGFMT_YV12 (('2'<<24)|('1'<<16)|('V'<<8)|'Y')
 539
 540 /* called xlocked */
 541 static int xvmc_check_yv12( Display *display, XvPortID port )
 542 {
 543     XvImageFormatValues *formatValues;
 544     int                  formats;
 545     int                  i;
 546
 547     formatValues = XvListImageFormats( display, port, &formats );
 548
 549     for( i = 0; i < formats; i++ )
 550     {
 551         if( ( formatValues[i].id == XINE_IMGFMT_YV12 ) &&
 552             ( !( strncmp( formatValues[i].guid, "YV12", 4 ) ) ) )
 553         {
 554             XFree (formatValues);
 555             return 0;
 556         }
 557     }
 558
 559     XFree (formatValues);
 560     return 1;
 561 }
 562
 563 static void xvmc_sync_surface( vout_thread_t *p_vout, XvMCSurface * srf )
 564 {
 565     XvMCSyncSurface( p_vout->p_sys->p_display, srf );
 566 }
 567
 568 static void xvmc_update_XV_DOUBLE_BUFFER( vout_thread_t *p_vout )
 569 {
 570     Atom         atom;
 571     int          xv_double_buffer;
 572
 573     xv_double_buffer = 1;
 574
 575     XLockDisplay( p_vout->p_sys->p_display );
 576     atom = XInternAtom( p_vout->p_sys->p_display, "XV_DOUBLE_BUFFER", False );
 577 #if 0
 578     XvSetPortAttribute (p_vout->p_sys->p_display, p_vout->p_sys->i_xvport, atom, xv_double_buffer);
 579 #endif
 580     XvMCSetAttribute( p_vout->p_sys->p_display, &p_vout->p_sys->context, atom, xv_double_buffer );
 581     XUnlockDisplay( p_vout->p_sys->p_display );
 582
 583     //xprintf(this->xine, XINE_VERBOSITY_DEBUG,
 584     //    "video_out_xxmc: double buffering mode = %d\n", xv_double_buffer);
 585 }
 586
 587 static void RenderVideo( vout_thread_t *p_vout, picture_t *p_pic )
 588 {
 589     vlc_xxmc_t *xxmc = NULL;
 590
 591     vlc_mutex_lock( &p_vout->p_sys->lock );
 592     xvmc_context_reader_lock( &p_vout->p_sys->xvmc_lock );
 593
 594     xxmc = &p_pic->p_sys->xxmc_data;
 595     if( (!xxmc->decoded ||
 596         !xxmc_xvmc_surface_valid( p_vout, p_pic->p_sys->xvmc_surf )) )
 597     {
 598         vlc_mutex_unlock( &p_vout->p_sys->lock );
 599         xvmc_context_reader_unlock( &p_vout->p_sys->xvmc_lock );
 600         return;
 601     }
 602
 603 #if 0
 604     vlc_mutex_lock( &p_vout->lastsubtitle_lock );
 605     if (p_vout->p_sys->p_last_subtitle != NULL)
 606     {
 607         if( p_vout->p_sys->p_last_subtitle_save != p_vout->p_sys->p_last_subtitle )
 608         {
 609             p_vout->p_sys->new_subpic =
 610                 xxmc_xvmc_alloc_subpicture( p_vout, &p_vout->p_sys->context,
 611                     p_vout->p_sys->xvmc_width,
 612                     p_vout->p_sys->xvmc_height,
 613                     p_vout->p_sys->xvmc_cap[p_vout->p_sys->xvmc_cur_cap].subPicType.id );
 614
 615             if (p_vout->p_sys->new_subpic)
 616             {
 617                 XVMCLOCKDISPLAY( p_vout->p_sys->p_display );
 618                 XvMCClearSubpicture( p_vout->p_sys->p_display,
 619                         p_vout->p_sys->new_subpic,
 620                         0,
 621                         0,
 622                         p_vout->p_sys->xvmc_width,
 623                         p_vout->p_sys->xvmc_height,
 624                         0x00 );
 625                 XVMCUNLOCKDISPLAY( p_vout->p_sys->p_display );
 626                 clear_xx44_palette( &p_vout->p_sys->palette );
 627
 628                 if( sub_pic.p_sys == NULL )
 629                 {
 630                     sub_pic.p_sys = malloc( sizeof( picture_sys_t ) );
 631                     if( sub_pic.p_sys != NULL )
 632                     {
 633                         sub_pic.p_sys->p_vout = p_vout;
 634                         sub_pic.p_sys->xvmc_surf = NULL;
 635                         sub_pic.p_sys->p_image = p_vout->p_sys->subImage;
 636                     }
 637                 }
 638                 sub_pic.p_sys->p_image = p_vout->p_sys->subImage;
 639                 sub_pic.p->p_pixels = sub_pic.p_sys->p_image->data;
 640                 sub_pic.p->i_pitch = p_vout->output.i_width;
 641
 642                 memset( p_vout->p_sys->subImage->data, 0,
 643                         (p_vout->p_sys->subImage->width * p_vout->p_sys->subImage->height) );
 644
 645                 if (p_vout->p_last_subtitle != NULL)
 646                 {
 647                     blend_xx44( p_vout->p_sys->subImage->data,
 648                                 p_vout->p_last_subtitle,
 649                                 p_vout->p_sys->subImage->width,
 650                                 p_vout->p_sys->subImage->height,
 651                                 p_vout->p_sys->subImage->width,
 652                                 &p_vout->p_sys->palette,
 653                                 (p_vout->p_sys->subImage->id == FOURCC_IA44) );
 654                 }
 655
 656                 XVMCLOCKDISPLAY( p_vout->p_sys->p_display );
 657                 XvMCCompositeSubpicture( p_vout->p_sys->p_display,
 658                                          p_vout->p_sys->new_subpic,
 659                                          p_vout->p_sys->subImage,
 660                                          0, /* overlay->x */
 661                                          0, /* overlay->y */
 662                                          p_vout->output.i_width, /* overlay->width, */
 663                                          p_vout->output.i_height, /* overlay->height */
 664                                          0, /* overlay->x */
 665                                          0 ); /*overlay->y */
 666                 XVMCUNLOCKDISPLAY( p_vout->p_sys->p_display );
 667                 if (p_vout->p_sys->old_subpic)
 668                 {
 669                     xxmc_xvmc_free_subpicture( p_vout,
 670                                                p_vout->p_sys->old_subpic);
 671                     p_vout->p_sys->old_subpic = NULL;
 672                 }
 673                 if (p_vout->p_sys->new_subpic)
 674                 {
 675                     p_vout->p_sys->old_subpic = p_vout->p_sys->new_subpic;
 676                     p_vout->p_sys->new_subpic = NULL;
 677                     xx44_to_xvmc_palette( &p_vout->p_sys->palette,
 678                             p_vout->p_sys->xvmc_palette,
 679                             0,
 680                             p_vout->p_sys->old_subpic->num_palette_entries,
 681                             p_vout->p_sys->old_subpic->entry_bytes,
 682                             p_vout->p_sys->old_subpic->component_order );
 683                     XVMCLOCKDISPLAY( p_vout->p_sys->p_display );
 684                     XvMCSetSubpicturePalette( p_vout->p_sys->p_display,
 685                                               p_vout->p_sys->old_subpic,
 686                                               p_vout->p_sys->xvmc_palette );
 687                     XvMCFlushSubpicture( p_vout->p_sys->p_display,
 688                                          p_vout->p_sys->old_subpic);
 689                     XvMCSyncSubpicture( p_vout->p_sys->p_display,
 690                                         p_vout->p_sys->old_subpic );
 691                     XVMCUNLOCKDISPLAY( p_vout->p_sys->p_display );
 692                 }
 693
 694                 XVMCLOCKDISPLAY( p_vout->p_sys->p_display);
 695                 if (p_vout->p_sys->xvmc_backend_subpic )
 696                 {
 697                     XvMCBlendSubpicture( p_vout->p_sys->p_display,
 698                                          p_pic->p_sys->xvmc_surf,
 699                                          p_vout->p_sys->old_subpic,
 700                                          0,
 701                                          0,
 702                                          p_vout->p_sys->xvmc_width,
 703                                          p_vout->p_sys->xvmc_height,
 704                                          0,
 705                                          0,
 706                                          p_vout->p_sys->xvmc_width,
 707                                          p_vout->p_sys->xvmc_height );
 708                 }
 709                 else
 710                 {
 711                     XvMCBlendSubpicture2( p_vout->p_sys->p_display,
 712                                           p_pic->p_sys->xvmc_surf,
 713                                           p_pic->p_sys->xvmc_surf,
 714                                           p_vout->p_sys->old_subpic,
 715                                           0,
 716                                           0,
 717                                           p_vout->p_sys->xvmc_width,
 718                                           p_vout->p_sys->xvmc_height,
 719                                           0,
 720                                           0,
 721                                           p_vout->p_sys->xvmc_width,
 722                                           p_vout->p_sys->xvmc_height );
 723                }
 724                XVMCUNLOCKDISPLAY(p_vout->p_sys->p_display);
 725             }
 726         }
 727         else
 728         {
 729             XVMCLOCKDISPLAY( p_vout->p_sys->p_display );
 730             if( p_vout->p_sys->xvmc_backend_subpic )
 731             {
 732                 XvMCBlendSubpicture( p_vout->p_sys->p_display,
 733                                      p_pic->p_sys->xvmc_surf,
 734                                      p_vout->p_sys->old_subpic,
 735                                      0, 0,
 736                                      p_vout->p_sys->xvmc_width,
 737                                      p_vout->p_sys->xvmc_height,
 738                                      0, 0,
 739                                      p_vout->p_sys->xvmc_width,
 740                                      p_vout->p_sys->xvmc_height );
 741             }
 742             else
 743             {
 744                 XvMCBlendSubpicture2( p_vout->p_sys->p_display,
 745                                       p_pic->p_sys->xvmc_surf,
 746                                       p_pic->p_sys->xvmc_surf,
 747                                       p_vout->p_sys->old_subpic,
 748                                       0, 0,
 749                                       p_vout->p_sys->xvmc_width,
 750                                       p_vout->p_sys->xvmc_height,
 751                                       0, 0,
 752                                       p_vout->p_sys->xvmc_width,
 753                                       p_vout->p_sys->xvmc_height );
 754             }
 755             XVMCUNLOCKDISPLAY( p_vout->p_sys->p_display );
 756         }
 757     }
 758     p_vout->p_sys->p_last_subtitle_save = p_vout->p_last_subtitle;
 759
 760     vlc_mutex_unlock( &p_vout->lastsubtitle_lock );
 761 #endif
 762     xvmc_context_reader_unlock( &p_vout->p_sys->xvmc_lock );
 763
 764     vlc_mutex_unlock( &p_vout->p_sys->lock );
 765 }
 766 #endif
 767
 768 #ifdef HAVE_XSP
 769 /*****************************************************************************
 770  * EnablePixelDoubling: Enables pixel doubling
 771  *****************************************************************************
 772  * Checks if the double size image fits in current window, and enables pixel
 773  * doubling accordingly. The i_hw_scale is the integer scaling factor.
 774  *****************************************************************************/
 775 static void EnablePixelDoubling( vout_thread_t *p_vout )
 776 {
 777     int i_hor_scale = ( p_vout->p_sys->p_win->i_width ) / p_vout->render.i_width;
 778     int i_vert_scale =  ( p_vout->p_sys->p_win->i_height ) / p_vout->render.i_height;
 779     if ( ( i_hor_scale > 1 ) && ( i_vert_scale > 1 ) ) {
 780         p_vout->p_sys->i_hw_scale = 2;
 781         msg_Dbg( p_vout, "Enabling pixel doubling, scaling factor %d", p_vout->p_sys->i_hw_scale );
 782         XSPSetPixelDoubling( p_vout->p_sys->p_display, 0, 1 );
 783     }
 784 }
 785
 786 /*****************************************************************************
 787  * DisablePixelDoubling: Disables pixel doubling
 788  *****************************************************************************
 789  * The scaling factor i_hw_scale is reset to the no-scaling value 1.
 790  *****************************************************************************/
 791 static void DisablePixelDoubling( vout_thread_t *p_vout )
 792 {
 793     if ( p_vout->p_sys->i_hw_scale > 1 ) {
 794         msg_Dbg( p_vout, "Disabling pixel doubling" );
 795         XSPSetPixelDoubling( p_vout->p_sys->p_display, 0, 0 );
 796         p_vout->p_sys->i_hw_scale = 1;
 797     }
 798 }
 799 #endif
 800
 801
 802
 803 /*****************************************************************************
 804  * InitVideo: initialize X11 video thread output method
 805  *****************************************************************************
 806  * This function create the XImages needed by the output thread. It is called
 807  * at the beginning of the thread, but also each time the window is resized.
 808  *****************************************************************************/
 809 static int InitVideo( vout_thread_t *p_vout )
 810 {
 811     unsigned int i_index = 0;
 812     picture_t *p_pic;
 813
 814     I_OUTPUTPICTURES = 0;
 815
 816 #if defined(MODULE_NAME_IS_xvideo) || defined(MODULE_NAME_IS_xvmc)
 817     /* Initialize the output structure; we already found an XVideo port,
 818      * and the corresponding chroma we will be using. Since we can
 819      * arbitrary scale, stick to the coordinates and aspect. */
 820     p_vout->output.i_width  = p_vout->render.i_width;
 821     p_vout->output.i_height = p_vout->render.i_height;
 822     p_vout->output.i_aspect = p_vout->render.i_aspect;
 823
 824     p_vout->fmt_out = p_vout->fmt_in;
 825     p_vout->fmt_out.i_chroma = p_vout->output.i_chroma;
 826
 827     switch( p_vout->output.i_chroma )
 828     {
 829         case VLC_FOURCC('R','V','1','6'):
 830 #if defined( WORDS_BIGENDIAN )
 831             p_vout->output.i_rmask = 0xf800;
 832             p_vout->output.i_gmask = 0x07e0;
 833             p_vout->output.i_bmask = 0x001f;
 834 #else
 835             p_vout->output.i_rmask = 0x001f;
 836             p_vout->output.i_gmask = 0x07e0;
 837             p_vout->output.i_bmask = 0xf800;
 838 #endif
 839             break;
 840         case VLC_FOURCC('R','V','1','5'):
 841 #if defined( WORDS_BIGENDIAN )
 842             p_vout->output.i_rmask = 0x7c00;
 843             p_vout->output.i_gmask = 0x03e0;
 844             p_vout->output.i_bmask = 0x001f;
 845 #else
 846             p_vout->output.i_rmask = 0x001f;
 847             p_vout->output.i_gmask = 0x03e0;
 848             p_vout->output.i_bmask = 0x7c00;
 849 #endif
 850             break;
 851     }
 852
 853 #elif defined(MODULE_NAME_IS_x11)
 854     /* Initialize the output structure: RGB with square pixels, whatever
 855      * the input format is, since it's the only format we know */
 856     switch( p_vout->p_sys->i_screen_depth )
 857     {
 858         case 8: /* FIXME: set the palette */
 859             p_vout->output.i_chroma = VLC_FOURCC('R','G','B','2'); break;
 860         case 15:
 861             p_vout->output.i_chroma = VLC_FOURCC('R','V','1','5'); break;
 862         case 16:
 863             p_vout->output.i_chroma = VLC_FOURCC('R','V','1','6'); break;
 864         case 24:
 865         case 32:
 866             p_vout->output.i_chroma = VLC_FOURCC('R','V','3','2'); break;
 867         default:
 868             msg_Err( p_vout, "unknown screen depth %i",
 869                      p_vout->p_sys->i_screen_depth );
 870             return VLC_SUCCESS;
 871     }
 872
 873 #ifdef HAVE_XSP
 874     vout_PlacePicture( p_vout, p_vout->p_sys->p_win->i_width  / p_vout->p_sys->i_hw_scale,
 875                        p_vout->p_sys->p_win->i_height  / p_vout->p_sys->i_hw_scale,
 876                        &i_index, &i_index,
 877                        &p_vout->fmt_out.i_visible_width,
 878                        &p_vout->fmt_out.i_visible_height );
 879 #else
 880     vout_PlacePicture( p_vout, p_vout->p_sys->p_win->i_width,
 881                        p_vout->p_sys->p_win->i_height,
 882                        &i_index, &i_index,
 883                        &p_vout->fmt_out.i_visible_width,
 884                        &p_vout->fmt_out.i_visible_height );
 885 #endif
 886
 887     p_vout->fmt_out.i_chroma = p_vout->output.i_chroma;
 888
 889     p_vout->output.i_width = p_vout->fmt_out.i_width =
 890         p_vout->fmt_out.i_visible_width * p_vout->fmt_in.i_width /
 891         p_vout->fmt_in.i_visible_width;
 892     p_vout->output.i_height = p_vout->fmt_out.i_height =
 893         p_vout->fmt_out.i_visible_height * p_vout->fmt_in.i_height /
 894         p_vout->fmt_in.i_visible_height;
 895     p_vout->fmt_out.i_x_offset =
 896         p_vout->fmt_out.i_visible_width * p_vout->fmt_in.i_x_offset /
 897         p_vout->fmt_in.i_visible_width;
 898     p_vout->fmt_out.i_y_offset =
 899         p_vout->fmt_out.i_visible_height * p_vout->fmt_in.i_y_offset /
 900         p_vout->fmt_in.i_visible_height;
 901
 902     p_vout->fmt_out.i_sar_num = p_vout->fmt_out.i_sar_den = 1;
 903     p_vout->output.i_aspect = p_vout->fmt_out.i_aspect =
 904         p_vout->fmt_out.i_width * VOUT_ASPECT_FACTOR /p_vout->fmt_out.i_height;
 905
 906     msg_Dbg( p_vout, "x11 image size %ix%i (%i,%i,%ix%i)",
 907              p_vout->fmt_out.i_width, p_vout->fmt_out.i_height,
 908              p_vout->fmt_out.i_x_offset, p_vout->fmt_out.i_y_offset,
 909              p_vout->fmt_out.i_visible_width,
 910              p_vout->fmt_out.i_visible_height );
 911 #endif
 912
 913     /* Try to initialize up to MAX_DIRECTBUFFERS direct buffers */
 914     while( I_OUTPUTPICTURES < MAX_DIRECTBUFFERS )
 915     {
 916         p_pic = NULL;
 917
 918         /* Find an empty picture slot */
 919         for( i_index = 0 ; i_index < VOUT_MAX_PICTURES ; i_index++ )
 920         {
 921           if( p_vout->p_picture[ i_index ].i_status == FREE_PICTURE )
 922             {
 923                 p_pic = p_vout->p_picture + i_index;
 924                 break;
 925             }
 926         }
 927
 928         /* Allocate the picture */
 929         if( p_pic == NULL || NewPicture( p_vout, p_pic ) )
 930         {
 931             break;
 932         }
 933
 934         p_pic->i_status = DESTROYED_PICTURE;
 935         p_pic->i_type   = DIRECT_PICTURE;
 936
 937         PP_OUTPUTPICTURE[ I_OUTPUTPICTURES ] = p_pic;
 938
 939         I_OUTPUTPICTURES++;
 940     }
 941
 942     if( p_vout->output.i_chroma == VLC_FOURCC('Y','V','1','2') )
 943     {
 944         /* U and V inverted compared to I420
 945          * Fixme: this should be handled by the vout core */
 946         p_vout->output.i_chroma = VLC_FOURCC('I','4','2','0');
 947         p_vout->fmt_out.i_chroma = VLC_FOURCC('I','4','2','0');
 948     }
 949
 950     return VLC_SUCCESS;
 951 }
 952
 953 /*****************************************************************************
 954  * DisplayVideo: displays previously rendered output
 955  *****************************************************************************
 956  * This function sends the currently rendered image to X11 server.
 957  * (The Xv extension takes care of "double-buffering".)
 958  *****************************************************************************/
 959 static void DisplayVideo( vout_thread_t *p_vout, picture_t *p_pic )
 960 {
 961     unsigned int i_width, i_height, i_x, i_y;
 962
 963     vout_PlacePicture( p_vout, p_vout->p_sys->p_win->i_width,
 964                        p_vout->p_sys->p_win->i_height,
 965                        &i_x, &i_y, &i_width, &i_height );
 966
 967     vlc_mutex_lock( &p_vout->p_sys->lock );
 968
 969 #ifdef MODULE_NAME_IS_xvmc
 970     xvmc_context_reader_lock( &p_vout->p_sys->xvmc_lock );
 971
 972     vlc_xxmc_t *xxmc = &p_pic->p_sys->xxmc_data;
 973     if( !xxmc->decoded ||
 974         !xxmc_xvmc_surface_valid( p_vout, p_pic->p_sys->xvmc_surf ) )
 975     {
 976       msg_Dbg( p_vout, "DisplayVideo decoded=%d\tsurfacevalid=%d",
 977                xxmc->decoded,
 978                xxmc_xvmc_surface_valid( p_vout, p_pic->p_sys->xvmc_surf ) );
 979       vlc_mutex_unlock( &p_vout->p_sys->lock );
 980       xvmc_context_reader_unlock( &p_vout->p_sys->xvmc_lock );
 981       return;
 982     }
 983
 984     int src_width = p_vout->output.i_width;
 985     int src_height = p_vout->output.i_height;
 986     int src_x, src_y;
 987
 988     if( p_vout->p_sys->xvmc_crop_style == 1 )
 989     {
 990         src_x = 20;
 991         src_y = 20;
 992         src_width -= 40;
 993         src_height -= 40;
 994     }
 995     else if( p_vout->p_sys->xvmc_crop_style == 2 )
 996     {
 997         src_x = 20;
 998         src_y = 40;
 999         src_width -= 40;
1000         src_height -= 80;
1001     }
1002     else if( p_vout->p_sys->xvmc_crop_style == 3 )
1003     {
1004         src_x = 40;
1005         src_y = 20;
1006         src_width -= 80;
1007         src_height -= 40;
1008     }
1009     else
1010     {
1011         src_x = 0;
1012         src_y = 0;
1013     }
1014
1015     int first_field;
1016     if( p_vout->p_sys->xvmc_deinterlace_method > 0 )
1017     {   /* BOB DEINTERLACE */
1018         if( (p_pic->p_sys->nb_display == 0) ||
1019             (p_vout->p_sys->xvmc_deinterlace_method == 1) )
1020         {
1021             first_field = (p_pic->b_top_field_first) ?
1022                                 XVMC_BOTTOM_FIELD : XVMC_TOP_FIELD;
1023         }
1024         else
1025         {
1026             first_field = (p_pic->b_top_field_first) ?
1027                                 XVMC_TOP_FIELD : XVMC_BOTTOM_FIELD;
1028         }
1029     }
1030     else
1031     {
1032         first_field = XVMC_FRAME_PICTURE;
1033      }
1034
1035     XVMCLOCKDISPLAY( p_vout->p_sys->p_display );
1036     XvMCFlushSurface( p_vout->p_sys->p_display, p_pic->p_sys->xvmc_surf );
1037     /* XvMCSyncSurface(p_vout->p_sys->p_display, p_picture->p_sys->xvmc_surf); */
1038     XvMCPutSurface( p_vout->p_sys->p_display,
1039                     p_pic->p_sys->xvmc_surf,
1040                     p_vout->p_sys->p_win->video_window,
1041                     src_x,
1042                     src_y,
1043                     src_width,
1044                     src_height,
1045                     0 /*dest_x*/,
1046                     0 /*dest_y*/,
1047                     i_width,
1048                     i_height,
1049                     first_field);
1050
1051     XVMCUNLOCKDISPLAY( p_vout->p_sys->p_display );
1052     if( p_vout->p_sys->xvmc_deinterlace_method == 2 )
1053     {   /* BOB DEINTERLACE */
1054         if( p_pic->p_sys->nb_display == 0 )/* && ((t2-t1) < 15000)) */
1055         {
1056             mtime_t last_date = p_pic->date;
1057
1058             vlc_mutex_lock( &p_vout->picture_lock );
1059             if( !p_vout->p_sys->last_date )
1060             {
1061                 p_pic->date += 20000;
1062             }
1063             else
1064             {
1065                 p_pic->date = ((3 * p_pic->date -
1066                                     p_vout->p_sys->last_date) / 2 );
1067             }
1068             p_vout->p_sys->last_date = last_date;
1069             p_pic->b_force = 1;
1070             p_pic->p_sys->nb_display = 1;
1071             vlc_mutex_unlock( &p_vout->picture_lock );
1072         }
1073         else
1074         {
1075             p_pic->p_sys->nb_display = 0;
1076             p_pic->b_force = 0;
1077         }
1078     }
1079     xvmc_context_reader_unlock( &p_vout->p_sys->xvmc_lock );
1080 #endif
1081
1082 #ifdef HAVE_SYS_SHM_H
1083     if( p_vout->p_sys->i_shm_opcode )
1084     {
1085         /* Display rendered image using shared memory extension */
1086 #   if defined(MODULE_NAME_IS_xvideo) || defined(MODULE_NAME_IS_xvmc)
1087         XvShmPutImage( p_vout->p_sys->p_display, p_vout->p_sys->i_xvport,
1088                        p_vout->p_sys->p_win->video_window,
1089                        p_vout->p_sys->p_win->gc, p_pic->p_sys->p_image,
1090                        p_vout->fmt_out.i_x_offset,
1091                        p_vout->fmt_out.i_y_offset,
1092                        p_vout->fmt_out.i_visible_width,
1093                        p_vout->fmt_out.i_visible_height,
1094                        0 /*dest_x*/, 0 /*dest_y*/, i_width, i_height,
1095                        False /* Don't put True here or you'll waste your CPU */ );
1096 #   else
1097         XShmPutImage( p_vout->p_sys->p_display,
1098                       p_vout->p_sys->p_win->video_window,
1099                       p_vout->p_sys->p_win->gc, p_pic->p_sys->p_image,
1100                       p_vout->fmt_out.i_x_offset,
1101                       p_vout->fmt_out.i_y_offset,
1102                       0 /*dest_x*/, 0 /*dest_y*/,
1103                       p_vout->fmt_out.i_visible_width,
1104                       p_vout->fmt_out.i_visible_height,
1105                       False /* Don't put True here ! */ );
1106 #   endif
1107     }
1108     else
1109 #endif /* HAVE_SYS_SHM_H */
1110     {
1111         /* Use standard XPutImage -- this is gonna be slow ! */
1112 #if defined(MODULE_NAME_IS_xvideo) || defined(MODULE_NAME_IS_xvmc)
1113         XvPutImage( p_vout->p_sys->p_display, p_vout->p_sys->i_xvport,
1114                     p_vout->p_sys->p_win->video_window,
1115                     p_vout->p_sys->p_win->gc, p_pic->p_sys->p_image,
1116                     p_vout->fmt_out.i_x_offset,
1117                     p_vout->fmt_out.i_y_offset,
1118                     p_vout->fmt_out.i_visible_width,
1119                     p_vout->fmt_out.i_visible_height,
1120                     0 /*dest_x*/, 0 /*dest_y*/, i_width, i_height );
1121 #else
1122         XPutImage( p_vout->p_sys->p_display,
1123                    p_vout->p_sys->p_win->video_window,
1124                    p_vout->p_sys->p_win->gc, p_pic->p_sys->p_image,
1125                    p_vout->fmt_out.i_x_offset,
1126                    p_vout->fmt_out.i_y_offset,
1127                    0 /*dest_x*/, 0 /*dest_y*/,
1128                    p_vout->fmt_out.i_visible_width,
1129                    p_vout->fmt_out.i_visible_height );
1130 #endif
1131     }
1132
1133     /* Make sure the command is sent now - do NOT use XFlush !*/
1134     XSync( p_vout->p_sys->p_display, False );
1135
1136     vlc_mutex_unlock( &p_vout->p_sys->lock );
1137 }
1138
1139 /*****************************************************************************
1140  * ManageVideo: handle X11 events
1141  *****************************************************************************
1142  * This function should be called regularly by video output thread. It manages
1143  * X11 events and allows window resizing. It returns a non null value on
1144  * error.
1145  *****************************************************************************/
1146 static int ManageVideo( vout_thread_t *p_vout )
1147 {
1148     XEvent      xevent;                                         /* X11 event */
1149     vlc_value_t val;
1150
1151     vlc_mutex_lock( &p_vout->p_sys->lock );
1152
1153 #ifdef MODULE_NAME_IS_xvmc
1154     xvmc_context_reader_lock( &p_vout->p_sys->xvmc_lock );
1155 #endif
1156
1157     /* Handle events from the owner window */
1158     if( p_vout->p_sys->p_win->owner_window )
1159     {
1160         while( XCheckWindowEvent( p_vout->p_sys->p_display,
1161                                   p_vout->p_sys->p_win->owner_window,
1162                                   StructureNotifyMask, &xevent ) == True )
1163         {
1164             /* ConfigureNotify event: prepare  */
1165             if( xevent.type == ConfigureNotify )
1166             {
1167                 /* Update dimensions */
1168                 XResizeWindow( p_vout->p_sys->p_display,
1169                                p_vout->p_sys->p_win->base_window,
1170                                xevent.xconfigure.width,
1171                                xevent.xconfigure.height );
1172             }
1173         }
1174     }
1175
1176     /* Handle X11 events: ConfigureNotify events are parsed to know if the
1177      * output window's size changed, MapNotify and UnmapNotify to know if the
1178      * window is mapped (and if the display is useful), and ClientMessages
1179      * to intercept window destruction requests */
1180
1181     while( XCheckWindowEvent( p_vout->p_sys->p_display,
1182                               p_vout->p_sys->p_win->base_window,
1183                               StructureNotifyMask | KeyPressMask |
1184                               ButtonPressMask | ButtonReleaseMask |
1185                               PointerMotionMask | Button1MotionMask , &xevent )
1186            == True )
1187     {
1188         /* ConfigureNotify event: prepare  */
1189         if( xevent.type == ConfigureNotify )
1190         {
1191             if( (unsigned int)xevent.xconfigure.width
1192                    != p_vout->p_sys->p_win->i_width
1193               || (unsigned int)xevent.xconfigure.height
1194                     != p_vout->p_sys->p_win->i_height )
1195             {
1196                 /* Update dimensions */
1197                 p_vout->i_changes |= VOUT_SIZE_CHANGE;
1198                 p_vout->p_sys->p_win->i_width = xevent.xconfigure.width;
1199                 p_vout->p_sys->p_win->i_height = xevent.xconfigure.height;
1200             }
1201         }
1202         /* Keyboard event */
1203         else if( xevent.type == KeyPress )
1204         {
1205             unsigned int state = xevent.xkey.state;
1206             KeySym x_key_symbol;
1207             char i_key;                                   /* ISO Latin-1 key */
1208
1209             /* We may have keys like F1 trough F12, ESC ... */
1210             x_key_symbol = XKeycodeToKeysym( p_vout->p_sys->p_display,
1211                                              xevent.xkey.keycode, 0 );
1212             val.i_int = ConvertKey( (int)x_key_symbol );
1213
1214             xevent.xkey.state &= ~ShiftMask;
1215             xevent.xkey.state &= ~ControlMask;
1216             xevent.xkey.state &= ~Mod1Mask;
1217
1218             if( !val.i_int &&
1219                 XLookupString( &xevent.xkey, &i_key, 1, NULL, NULL ) )
1220             {
1221                 /* "Normal Keys"
1222                  * The reason why I use this instead of XK_0 is that
1223                  * with XLookupString, we don't have to care about
1224                  * keymaps. */
1225                 val.i_int = i_key;
1226             }
1227
1228             if( val.i_int )
1229             {
1230                 if( state & ShiftMask )
1231                 {
1232                     val.i_int |= KEY_MODIFIER_SHIFT;
1233                 }
1234                 if( state & ControlMask )
1235                 {
1236                     val.i_int |= KEY_MODIFIER_CTRL;
1237                 }
1238                 if( state & Mod1Mask )
1239                 {
1240                     val.i_int |= KEY_MODIFIER_ALT;
1241                 }
1242                 var_Set( p_vout->p_libvlc, "key-pressed", val );
1243             }
1244         }
1245         /* Mouse click */
1246         else if( xevent.type == ButtonPress )
1247         {
1248             switch( ((XButtonEvent *)&xevent)->button )
1249             {
1250                 case Button1:
1251                     var_Get( p_vout, "mouse-button-down", &val );
1252                     val.i_int |= 1;
1253                     var_Set( p_vout, "mouse-button-down", val );
1254
1255                     /* detect double-clicks */
1256                     if( ( ((XButtonEvent *)&xevent)->time -
1257                           p_vout->p_sys->i_time_button_last_pressed ) < 300 )
1258                     {
1259                         p_vout->i_changes |= VOUT_FULLSCREEN_CHANGE;
1260                     }
1261
1262                     p_vout->p_sys->i_time_button_last_pressed =
1263                         ((XButtonEvent *)&xevent)->time;
1264                     break;
1265                 case Button2:
1266                     var_Get( p_vout, "mouse-button-down", &val );
1267                     val.i_int |= 2;
1268                     var_Set( p_vout, "mouse-button-down", val );
1269                     break;
1270
1271                 case Button3:
1272                     var_Get( p_vout, "mouse-button-down", &val );
1273                     val.i_int |= 4;
1274                     var_Set( p_vout, "mouse-button-down", val );
1275                     break;
1276
1277                 case Button4:
1278                     var_Get( p_vout, "mouse-button-down", &val );
1279                     val.i_int |= 8;
1280                     var_Set( p_vout, "mouse-button-down", val );
1281                     break;
1282
1283                 case Button5:
1284                     var_Get( p_vout, "mouse-button-down", &val );
1285                     val.i_int |= 16;
1286                     var_Set( p_vout, "mouse-button-down", val );
1287                     break;
1288             }
1289         }
1290         /* Mouse release */
1291         else if( xevent.type == ButtonRelease )
1292         {
1293             switch( ((XButtonEvent *)&xevent)->button )
1294             {
1295                 case Button1:
1296                     var_Get( p_vout, "mouse-button-down", &val );
1297                     val.i_int &= ~1;
1298                     var_Set( p_vout, "mouse-button-down", val );
1299
1300                     val.b_bool = true;
1301                     var_Set( p_vout, "mouse-clicked", val );
1302                     break;
1303
1304                 case Button2:
1305                     {
1306                         playlist_t *p_playlist;
1307
1308                         var_Get( p_vout, "mouse-button-down", &val );
1309                         val.i_int &= ~2;
1310                         var_Set( p_vout, "mouse-button-down", val );
1311
1312                         p_playlist = vlc_object_find( p_vout,
1313                                                       VLC_OBJECT_PLAYLIST,
1314                                                       FIND_ANYWHERE );
1315                         if( p_playlist != NULL )
1316                         {
1317                             vlc_value_t val;
1318                             var_Get( p_playlist, "intf-show", &val );
1319                             val.b_bool = !val.b_bool;
1320                             var_Set( p_playlist, "intf-show", val );
1321                             vlc_object_release( p_playlist );
1322                         }
1323                     }
1324                     break;
1325
1326                 case Button3:
1327                     {
1328                         intf_thread_t *p_intf;
1329                         playlist_t *p_playlist;
1330
1331                         var_Get( p_vout, "mouse-button-down", &val );
1332                         val.i_int &= ~4;
1333                         var_Set( p_vout, "mouse-button-down", val );
1334                         p_intf = vlc_object_find( p_vout, VLC_OBJECT_INTF,
1335                                                           FIND_ANYWHERE );
1336                         if( p_intf )
1337                         {
1338                             p_intf->b_menu_change = 1;
1339                             vlc_object_release( p_intf );
1340                         }
1341
1342                         p_playlist = vlc_object_find( p_vout,
1343                                                       VLC_OBJECT_PLAYLIST,
1344                                                       FIND_ANYWHERE );
1345                         if( p_playlist != NULL )
1346                         {
1347                             vlc_value_t val; val.b_bool = true;
1348                             var_Set( p_playlist, "intf-popupmenu", val );
1349                             vlc_object_release( p_playlist );
1350                         }
1351                     }
1352                     break;
1353
1354                 case Button4:
1355                     var_Get( p_vout, "mouse-button-down", &val );
1356                     val.i_int &= ~8;
1357                     var_Set( p_vout, "mouse-button-down", val );
1358                     break;
1359
1360                 case Button5:
1361                     var_Get( p_vout, "mouse-button-down", &val );
1362                     val.i_int &= ~16;
1363                     var_Set( p_vout, "mouse-button-down", val );
1364                     break;
1365
1366             }
1367         }
1368         /* Mouse move */
1369         else if( xevent.type == MotionNotify )
1370         {
1371             unsigned int i_width, i_height, i_x, i_y;
1372             vlc_value_t val;
1373
1374             /* somewhat different use for vout_PlacePicture:
1375              * here the values are needed to give to mouse coordinates
1376              * in the original picture space */
1377             vout_PlacePicture( p_vout, p_vout->p_sys->p_win->i_width,
1378                                p_vout->p_sys->p_win->i_height,
1379                                &i_x, &i_y, &i_width, &i_height );
1380
1381             /* Compute the x coordinate and check if the value is
1382                in [0,p_vout->fmt_in.i_visible_width] */
1383             val.i_int = ( xevent.xmotion.x - i_x ) *
1384                 p_vout->fmt_in.i_visible_width / i_width +
1385                 p_vout->fmt_in.i_x_offset;
1386
1387             if( (int)(xevent.xmotion.x - i_x) < 0 )
1388                 val.i_int = 0;
1389             else if( (unsigned int)val.i_int > p_vout->fmt_in.i_visible_width )
1390                 val.i_int = p_vout->fmt_in.i_visible_width;
1391
1392             var_Set( p_vout, "mouse-x", val );
1393
1394             /* compute the y coordinate and check if the value is
1395                in [0,p_vout->fmt_in.i_visible_height] */
1396             val.i_int = ( xevent.xmotion.y - i_y ) *
1397                 p_vout->fmt_in.i_visible_height / i_height +
1398                 p_vout->fmt_in.i_y_offset;
1399
1400             if( (int)(xevent.xmotion.y - i_y) < 0 )
1401                 val.i_int = 0;
1402             else if( (unsigned int)val.i_int > p_vout->fmt_in.i_visible_height )
1403                 val.i_int = p_vout->fmt_in.i_visible_height;
1404
1405             var_Set( p_vout, "mouse-y", val );
1406
1407             val.b_bool = true;
1408             var_Set( p_vout, "mouse-moved", val );
1409
1410             p_vout->p_sys->i_time_mouse_last_moved = mdate();
1411             if( ! p_vout->p_sys->b_mouse_pointer_visible )
1412             {
1413                 ToggleCursor( p_vout );
1414             }
1415         }
1416         else if( xevent.type == ReparentNotify /* XXX: why do we get this? */
1417                   || xevent.type == MapNotify
1418                   || xevent.type == UnmapNotify )
1419         {
1420             /* Ignore these events */
1421         }
1422         else /* Other events */
1423         {
1424             msg_Warn( p_vout, "unhandled event %d received", xevent.type );
1425         }
1426     }
1427
1428     /* Handle events for video output sub-window */
1429     while( XCheckWindowEvent( p_vout->p_sys->p_display,
1430                               p_vout->p_sys->p_win->video_window,
1431                               ExposureMask, &xevent ) == True )
1432     {
1433         /* Window exposed (only handled if stream playback is paused) */
1434         if( xevent.type == Expose )
1435         {
1436             if( ((XExposeEvent *)&xevent)->count == 0 )
1437             {
1438                 /* (if this is the last a collection of expose events...) */
1439
1440 #if defined(MODULE_NAME_IS_xvideo)
1441                 x11_window_t *p_win = p_vout->p_sys->p_win;
1442
1443                 /* Paint the colour key if needed */
1444                 if( p_vout->p_sys->b_paint_colourkey &&
1445                     xevent.xexpose.window == p_win->video_window )
1446                 {
1447                     XSetForeground( p_vout->p_sys->p_display,
1448                                     p_win->gc, p_vout->p_sys->i_colourkey );
1449                     XFillRectangle( p_vout->p_sys->p_display,
1450                                     p_win->video_window, p_win->gc, 0, 0,
1451                                     p_win->i_width, p_win->i_height );
1452                 }
1453 #endif
1454
1455 #if 0
1456                 if( p_vout->p_libvlc->p_input_bank->pp_input[0] != NULL )
1457                 {
1458                     if( PAUSE_S == p_vout->p_libvlc->p_input_bank->pp_input[0]
1459                                                    ->stream.control.i_status )
1460                     {
1461                         /* XVideoDisplay( p_vout )*/;
1462                     }
1463                 }
1464 #endif
1465             }
1466         }
1467     }
1468
1469     /* ClientMessage event - only WM_PROTOCOLS with WM_DELETE_WINDOW data
1470      * are handled - according to the man pages, the format is always 32
1471      * in this case */
1472     while( XCheckTypedEvent( p_vout->p_sys->p_display,
1473                              ClientMessage, &xevent ) )
1474     {
1475         if( (xevent.xclient.message_type == p_vout->p_sys->p_win->wm_protocols)
1476                && ((Atom)xevent.xclient.data.l[0]
1477                      == p_vout->p_sys->p_win->wm_delete_window ) )
1478         {
1479             /* the user wants to close the window */
1480             playlist_t * p_playlist =
1481                 (playlist_t *)vlc_object_find( p_vout, VLC_OBJECT_PLAYLIST,
1482                                                FIND_ANYWHERE );
1483             if( p_playlist != NULL )
1484             {
1485                 playlist_Stop( p_playlist );
1486                 vlc_object_release( p_playlist );
1487             }
1488         }
1489     }
1490
1491     /*
1492      * Fullscreen Change
1493      */
1494     if ( p_vout->i_changes & VOUT_FULLSCREEN_CHANGE )
1495     {
1496         vlc_value_t val_fs, val_ontop;
1497
1498         /* Update the object variable and trigger callback */
1499         val_fs.b_bool = !p_vout->b_fullscreen;
1500
1501         var_Set( p_vout, "fullscreen", val_fs );
1502
1503         /* Disable "always on top" in fullscreen mode */
1504         var_Get( p_vout, "video-on-top", &val_ontop );
1505         if( val_ontop.b_bool )
1506             WindowOnTop( p_vout, val_fs.b_bool );
1507
1508         ToggleFullScreen( p_vout );
1509         p_vout->i_changes &= ~VOUT_FULLSCREEN_CHANGE;
1510     }
1511
1512     if( p_vout->i_changes & VOUT_CROP_CHANGE ||
1513         p_vout->i_changes & VOUT_ASPECT_CHANGE )
1514     {
1515         p_vout->i_changes &= ~VOUT_CROP_CHANGE;
1516         p_vout->i_changes &= ~VOUT_ASPECT_CHANGE;
1517
1518         p_vout->fmt_out.i_x_offset = p_vout->fmt_in.i_x_offset;
1519         p_vout->fmt_out.i_y_offset = p_vout->fmt_in.i_y_offset;
1520         p_vout->fmt_out.i_visible_width = p_vout->fmt_in.i_visible_width;
1521         p_vout->fmt_out.i_visible_height = p_vout->fmt_in.i_visible_height;
1522         p_vout->fmt_out.i_aspect = p_vout->fmt_in.i_aspect;
1523         p_vout->fmt_out.i_sar_num = p_vout->fmt_in.i_sar_num;
1524         p_vout->fmt_out.i_sar_den = p_vout->fmt_in.i_sar_den;
1525         p_vout->output.i_aspect = p_vout->fmt_in.i_aspect;
1526
1527         p_vout->i_changes |= VOUT_SIZE_CHANGE;
1528     }
1529
1530     /*
1531      * Size change
1532      *
1533      * (Needs to be placed after VOUT_FULLSREEN_CHANGE because we can activate
1534      *  the size flag inside the fullscreen routine)
1535      */
1536     if( p_vout->i_changes & VOUT_SIZE_CHANGE )
1537     {
1538         unsigned int i_width, i_height, i_x, i_y;
1539
1540         p_vout->i_changes &= ~VOUT_SIZE_CHANGE;
1541
1542 #ifdef MODULE_NAME_IS_x11
1543         /* We need to signal the vout thread about the size change because it
1544          * is doing the rescaling */
1545         p_vout->i_changes |= VOUT_SIZE_CHANGE;
1546 #endif
1547
1548         vout_PlacePicture( p_vout, p_vout->p_sys->p_win->i_width,
1549                            p_vout->p_sys->p_win->i_height,
1550                            &i_x, &i_y, &i_width, &i_height );
1551
1552         XMoveResizeWindow( p_vout->p_sys->p_display,
1553                            p_vout->p_sys->p_win->video_window,
1554                            i_x, i_y, i_width, i_height );
1555     }
1556
1557     /* Autohide Cursour */
1558     if( mdate() - p_vout->p_sys->i_time_mouse_last_moved >
1559         p_vout->p_sys->i_mouse_hide_timeout )
1560     {
1561         /* Hide the mouse automatically */
1562         if( p_vout->p_sys->b_mouse_pointer_visible )
1563         {
1564             ToggleCursor( p_vout );
1565         }
1566     }
1567
1568 #ifdef MODULE_NAME_IS_xvmc
1569     xvmc_context_reader_unlock( &p_vout->p_sys->xvmc_lock );
1570 #endif
1571
1572 #ifdef HAVE_OSSO
1573     if ( p_vout->p_sys->p_octx != NULL ) {
1574         if ( p_vout->p_sys->i_backlight_on_counter == i_backlight_on_interval ) {
1575             if ( osso_display_blanking_pause( p_vout->p_sys->p_octx ) != OSSO_OK ) {
1576                 msg_Err( p_vout, "Could not disable backlight blanking" );
1577         } else {
1578                 msg_Dbg( p_vout, "Backlight blanking disabled" );
1579             }
1580             p_vout->p_sys->i_backlight_on_counter = 0;
1581         } else {
1582             p_vout->p_sys->i_backlight_on_counter ++;
1583         }
1584     }
1585 #endif
1586
1587     vlc_mutex_unlock( &p_vout->p_sys->lock );
1588     return 0;
1589 }
1590
1591 /*****************************************************************************
1592  * EndVideo: terminate X11 video thread output method
1593  *****************************************************************************
1594  * Destroy the X11 XImages created by Init. It is called at the end of
1595  * the thread, but also each time the window is resized.
1596  *****************************************************************************/
1597 static void EndVideo( vout_thread_t *p_vout )
1598 {
1599     int i_index;
1600
1601     /* Free the direct buffers we allocated */
1602     for( i_index = I_OUTPUTPICTURES ; i_index ; )
1603     {
1604         i_index--;
1605         FreePicture( p_vout, PP_OUTPUTPICTURE[ i_index ] );
1606     }
1607 }
1608
1609 /* following functions are local */
1610
1611 /*****************************************************************************
1612  * CreateWindow: open and set-up X11 main window
1613  *****************************************************************************/
1614 static int CreateWindow( vout_thread_t *p_vout, x11_window_t *p_win )
1615 {
1616     XSizeHints              xsize_hints;
1617     XSetWindowAttributes    xwindow_attributes;
1618     XGCValues               xgcvalues;
1619     XEvent                  xevent;
1620
1621     bool              b_expose = false;
1622     bool              b_configure_notify = false;
1623     bool              b_map_notify = false;
1624     vlc_value_t             val;
1625
1626     /* Prepare window manager hints and properties */
1627     p_win->wm_protocols =
1628              XInternAtom( p_vout->p_sys->p_display, "WM_PROTOCOLS", True );
1629     p_win->wm_delete_window =
1630              XInternAtom( p_vout->p_sys->p_display, "WM_DELETE_WINDOW", True );
1631
1632     /* Never have a 0-pixel-wide window */
1633     xsize_hints.min_width = 2;
1634     xsize_hints.min_height = 1;
1635
1636     /* Prepare window attributes */
1637     xwindow_attributes.backing_store = Always;       /* save the hidden part */
1638     xwindow_attributes.background_pixel = BlackPixel(p_vout->p_sys->p_display,
1639                                                      p_vout->p_sys->i_screen);
1640     xwindow_attributes.event_mask = ExposureMask | StructureNotifyMask;
1641
1642     if( !p_vout->b_fullscreen )
1643     {
1644         p_win->owner_window = (Window)
1645             vout_RequestWindow( p_vout, &p_win->i_x, &p_win->i_y,
1646                                 &p_win->i_width, &p_win->i_height );
1647
1648         xsize_hints.base_width  = xsize_hints.width = p_win->i_width;
1649         xsize_hints.base_height = xsize_hints.height = p_win->i_height;
1650         xsize_hints.flags       = PSize | PMinSize;
1651
1652         if( p_win->i_x >=0 || p_win->i_y >= 0 )
1653         {
1654             xsize_hints.x = p_win->i_x;
1655             xsize_hints.y = p_win->i_y;
1656             xsize_hints.flags |= PPosition;
1657         }
1658     }
1659     else
1660     {
1661         /* Fullscreen window size and position */
1662         p_win->owner_window = 0;
1663         p_win->i_x = p_win->i_y = 0;
1664         p_win->i_width =
1665             DisplayWidth( p_vout->p_sys->p_display, p_vout->p_sys->i_screen );
1666         p_win->i_height =
1667             DisplayHeight( p_vout->p_sys->p_display, p_vout->p_sys->i_screen );
1668     }
1669
1670     if( !p_win->owner_window )
1671     {
1672         /* Create the window and set hints - the window must receive
1673          * ConfigureNotify events, and until it is displayed, Expose and
1674          * MapNotify events. */
1675
1676         p_win->base_window =
1677             XCreateWindow( p_vout->p_sys->p_display,
1678                            DefaultRootWindow( p_vout->p_sys->p_display ),
1679                            p_win->i_x, p_win->i_y,
1680                            p_win->i_width, p_win->i_height,
1681                            0,
1682                            0, InputOutput, 0,
1683                            CWBackingStore | CWBackPixel | CWEventMask,
1684                            &xwindow_attributes );
1685
1686         var_Get( p_vout, "video-title", &val );
1687         if( !val.psz_string || !*val.psz_string )
1688         {
1689             XStoreName( p_vout->p_sys->p_display, p_win->base_window,
1690 #ifdef MODULE_NAME_IS_x11
1691                         VOUT_TITLE " (X11 output)"
1692 #elif defined(MODULE_NAME_IS_glx)
1693                         VOUT_TITLE " (GLX output)"
1694 #else
1695                         VOUT_TITLE " (XVideo output)"
1696 #endif
1697               );
1698         }
1699         else
1700         {
1701             XStoreName( p_vout->p_sys->p_display,
1702                         p_win->base_window, val.psz_string );
1703         }
1704         free( val.psz_string );
1705
1706         if( !p_vout->b_fullscreen )
1707         {
1708             const char *argv[] = { "vlc", NULL };
1709
1710             /* Set window manager hints and properties: size hints, command,
1711              * window's name, and accepted protocols */
1712             XSetWMNormalHints( p_vout->p_sys->p_display,
1713                                p_win->base_window, &xsize_hints );
1714             XSetCommand( p_vout->p_sys->p_display, p_win->base_window,
1715                          (char**)argv, 1 );
1716
1717             if( !var_GetBool( p_vout, "video-deco") )
1718             {
1719                 Atom prop;
1720                 mwmhints_t mwmhints;
1721
1722                 mwmhints.flags = MWM_HINTS_DECORATIONS;
1723                 mwmhints.decorations = False;
1724
1725                 prop = XInternAtom( p_vout->p_sys->p_display, "_MOTIF_WM_HINTS",
1726                                     False );
1727
1728                 XChangeProperty( p_vout->p_sys->p_display,
1729                                  p_win->base_window,
1730                                  prop, prop, 32, PropModeReplace,
1731                                  (unsigned char *)&mwmhints,
1732                                  PROP_MWM_HINTS_ELEMENTS );
1733             }
1734         }
1735     }
1736     else
1737     {
1738         Window dummy1;
1739         int dummy2, dummy3;
1740         unsigned int dummy4, dummy5;
1741
1742         /* Select events we are interested in. */
1743         XSelectInput( p_vout->p_sys->p_display, p_win->owner_window,
1744                       StructureNotifyMask );
1745
1746         /* Get the parent window's geometry information */
1747         XGetGeometry( p_vout->p_sys->p_display, p_win->owner_window,
1748                       &dummy1, &dummy2, &dummy3,
1749                       &p_win->i_width,
1750                       &p_win->i_height,
1751                       &dummy4, &dummy5 );
1752
1753         /* We are already configured */
1754         b_configure_notify = true;
1755
1756         /* From man XSelectInput: only one client at a time can select a
1757          * ButtonPress event, so we need to open a new window anyway. */
1758         p_win->base_window =
1759             XCreateWindow( p_vout->p_sys->p_display,
1760                            p_win->owner_window,
1761                            0, 0,
1762                            p_win->i_width, p_win->i_height,
1763                            0,
1764                            0, CopyFromParent, 0,
1765                            CWBackingStore | CWBackPixel | CWEventMask,
1766                            &xwindow_attributes );
1767     }
1768
1769     if( (p_win->wm_protocols == None)        /* use WM_DELETE_WINDOW */
1770         || (p_win->wm_delete_window == None)
1771         || !XSetWMProtocols( p_vout->p_sys->p_display, p_win->base_window,
1772                              &p_win->wm_delete_window, 1 ) )
1773     {
1774         /* WM_DELETE_WINDOW is not supported by window manager */
1775         msg_Warn( p_vout, "missing or bad window manager" );
1776     }
1777
1778     /* Creation of a graphic context that doesn't generate a GraphicsExpose
1779      * event when using functions like XCopyArea */
1780     xgcvalues.graphics_exposures = False;
1781     p_win->gc = XCreateGC( p_vout->p_sys->p_display,
1782                            p_win->base_window,
1783                            GCGraphicsExposures, &xgcvalues );
1784
1785     /* Send orders to server, and wait until window is displayed - three
1786      * events must be received: a MapNotify event, an Expose event allowing
1787      * drawing in the window, and a ConfigureNotify to get the window
1788      * dimensions. Once those events have been received, only
1789      * ConfigureNotify events need to be received. */
1790     XMapWindow( p_vout->p_sys->p_display, p_win->base_window );
1791     do
1792     {
1793         XWindowEvent( p_vout->p_sys->p_display, p_win->base_window,
1794                       SubstructureNotifyMask | StructureNotifyMask |
1795                       ExposureMask, &xevent);
1796         if( (xevent.type == Expose)
1797             && (xevent.xexpose.window == p_win->base_window) )
1798         {
1799             b_expose = true;
1800             /* ConfigureNotify isn't sent if there isn't a window manager.
1801              * Expose should be the last event to be received so it should
1802              * be fine to assume we won't receive it anymore. */
1803             b_configure_notify = true;
1804         }
1805         else if( (xevent.type == MapNotify)
1806                  && (xevent.xmap.window == p_win->base_window) )
1807         {
1808             b_map_notify = true;
1809         }
1810         else if( (xevent.type == ConfigureNotify)
1811                  && (xevent.xconfigure.window == p_win->base_window) )
1812         {
1813             b_configure_notify = true;
1814             p_win->i_width = xevent.xconfigure.width;
1815             p_win->i_height = xevent.xconfigure.height;
1816         }
1817     } while( !( b_expose && b_configure_notify && b_map_notify ) );
1818
1819     XSelectInput( p_vout->p_sys->p_display, p_win->base_window,
1820                   StructureNotifyMask | KeyPressMask |
1821                   ButtonPressMask | ButtonReleaseMask |
1822                   PointerMotionMask );
1823
1824 #ifdef MODULE_NAME_IS_x11
1825     if( XDefaultDepth(p_vout->p_sys->p_display, p_vout->p_sys->i_screen) == 8 )
1826     {
1827         /* Allocate a new palette */
1828         p_vout->p_sys->colormap =
1829             XCreateColormap( p_vout->p_sys->p_display,
1830                              DefaultRootWindow( p_vout->p_sys->p_display ),
1831                              DefaultVisual( p_vout->p_sys->p_display,
1832                                             p_vout->p_sys->i_screen ),
1833                              AllocAll );
1834
1835         xwindow_attributes.colormap = p_vout->p_sys->colormap;
1836         XChangeWindowAttributes( p_vout->p_sys->p_display, p_win->base_window,
1837                                  CWColormap, &xwindow_attributes );
1838     }
1839 #endif
1840
1841     /* Create video output sub-window. */
1842     p_win->video_window =  XCreateSimpleWindow(
1843                                       p_vout->p_sys->p_display,
1844                                       p_win->base_window, 0, 0,
1845                                       p_win->i_width, p_win->i_height,
1846                                       0,
1847                                       BlackPixel( p_vout->p_sys->p_display,
1848                                                   p_vout->p_sys->i_screen ),
1849                                       WhitePixel( p_vout->p_sys->p_display,
1850                                                   p_vout->p_sys->i_screen ) );
1851
1852     XSetWindowBackground( p_vout->p_sys->p_display, p_win->video_window,
1853                           BlackPixel( p_vout->p_sys->p_display,
1854                                       p_vout->p_sys->i_screen ) );
1855
1856     XMapWindow( p_vout->p_sys->p_display, p_win->video_window );
1857     XSelectInput( p_vout->p_sys->p_display, p_win->video_window,
1858                   ExposureMask );
1859
1860     /* make sure the video window will be centered in the next ManageVideo() */
1861     p_vout->i_changes |= VOUT_SIZE_CHANGE;
1862
1863     /* If the cursor was formerly blank than blank it again */
1864     if( !p_vout->p_sys->b_mouse_pointer_visible )
1865     {
1866         ToggleCursor( p_vout );
1867         ToggleCursor( p_vout );
1868     }
1869
1870     /* Do NOT use XFlush here ! */
1871     XSync( p_vout->p_sys->p_display, False );
1872
1873     /* At this stage, the window is open, displayed, and ready to
1874      * receive data */
1875     p_vout->p_sys->p_win = p_win;
1876
1877     return VLC_SUCCESS;
1878 }
1879
1880 /*****************************************************************************
1881  * DestroyWindow: destroy the window
1882  *****************************************************************************
1883  *
1884  *****************************************************************************/
1885 static void DestroyWindow( vout_thread_t *p_vout, x11_window_t *p_win )
1886 {
1887     /* Do NOT use XFlush here ! */
1888     XSync( p_vout->p_sys->p_display, False );
1889
1890     if( p_win->video_window != None )
1891         XDestroyWindow( p_vout->p_sys->p_display, p_win->video_window );
1892
1893     XFreeGC( p_vout->p_sys->p_display, p_win->gc );
1894
1895     XUnmapWindow( p_vout->p_sys->p_display, p_win->base_window );
1896     XDestroyWindow( p_vout->p_sys->p_display, p_win->base_window );
1897
1898     if( p_win->owner_window )
1899         vout_ReleaseWindow( p_vout, (void *)p_win->owner_window );
1900 }
1901
1902 /*****************************************************************************
1903  * NewPicture: allocate a picture
1904  *****************************************************************************
1905  * Returns 0 on success, -1 otherwise
1906  *****************************************************************************/
1907 static int NewPicture( vout_thread_t *p_vout, picture_t *p_pic )
1908 {
1909 #ifndef MODULE_NAME_IS_glx
1910
1911 #if defined(MODULE_NAME_IS_xvideo) || defined(MODULE_NAME_IS_xvmc)
1912     int i_plane;
1913 #endif
1914
1915     /* We know the chroma, allocate a buffer which will be used
1916      * directly by the decoder */
1917     p_pic->p_sys = malloc( sizeof( picture_sys_t ) );
1918
1919     if( p_pic->p_sys == NULL )
1920     {
1921         return -1;
1922     }
1923
1924 #ifdef MODULE_NAME_IS_xvmc
1925     p_pic->p_sys->p_vout = p_vout;
1926     p_pic->p_sys->xvmc_surf = NULL;
1927     p_pic->p_sys->xxmc_data.decoded = 0;
1928     p_pic->p_sys->xxmc_data.proc_xxmc_update_frame = xxmc_do_update_frame;
1929     //    p_pic->p_accel_data = &p_pic->p_sys->xxmc_data;
1930     p_pic->p_sys->nb_display = 0;
1931 #endif
1932
1933     /* Fill in picture_t fields */
1934     vout_InitPicture( VLC_OBJECT(p_vout), p_pic, p_vout->output.i_chroma,
1935                       p_vout->output.i_width, p_vout->output.i_height,
1936                       p_vout->output.i_aspect );
1937
1938 #ifdef HAVE_SYS_SHM_H
1939     if( p_vout->p_sys->i_shm_opcode )
1940     {
1941         /* Create image using XShm extension */
1942         p_pic->p_sys->p_image =
1943             CreateShmImage( p_vout, p_vout->p_sys->p_display,
1944 #   if defined(MODULE_NAME_IS_xvideo) || defined(MODULE_NAME_IS_xvmc)
1945                             p_vout->p_sys->i_xvport,
1946                             VLC2X11_FOURCC(p_vout->output.i_chroma),
1947 #   else
1948                             p_vout->p_sys->p_visual,
1949                             p_vout->p_sys->i_screen_depth,
1950 #   endif
1951                             &p_pic->p_sys->shminfo,
1952                             p_vout->output.i_width, p_vout->output.i_height );
1953     }
1954
1955     if( !p_vout->p_sys->i_shm_opcode || !p_pic->p_sys->p_image )
1956 #endif /* HAVE_SYS_SHM_H */
1957     {
1958         /* Create image without XShm extension */
1959         p_pic->p_sys->p_image =
1960             CreateImage( p_vout, p_vout->p_sys->p_display,
1961 #if defined(MODULE_NAME_IS_xvideo) || defined(MODULE_NAME_IS_xvmc)
1962                          p_vout->p_sys->i_xvport,
1963                          VLC2X11_FOURCC(p_vout->output.i_chroma),
1964                          p_pic->format.i_bits_per_pixel,
1965 #else
1966                          p_vout->p_sys->p_visual,
1967                          p_vout->p_sys->i_screen_depth,
1968                          p_vout->p_sys->i_bytes_per_pixel,
1969 #endif
1970                          p_vout->output.i_width, p_vout->output.i_height );
1971
1972 #ifdef HAVE_SYS_SHM_H
1973         if( p_pic->p_sys->p_image && p_vout->p_sys->i_shm_opcode )
1974         {
1975             msg_Warn( p_vout, "couldn't create SHM image, disabling SHM" );
1976             p_vout->p_sys->i_shm_opcode = 0;
1977         }
1978 #endif /* HAVE_SYS_SHM_H */
1979     }
1980
1981     if( p_pic->p_sys->p_image == NULL )
1982     {
1983         free( p_pic->p_sys );
1984         return -1;
1985     }
1986
1987     switch( p_vout->output.i_chroma )
1988     {
1989 #if defined(MODULE_NAME_IS_xvideo) || defined(MODULE_NAME_IS_xvmc)
1990         case VLC_FOURCC('I','4','2','0'):
1991         case VLC_FOURCC('Y','V','1','2'):
1992         case VLC_FOURCC('Y','2','1','1'):
1993         case VLC_FOURCC('Y','U','Y','2'):
1994         case VLC_FOURCC('U','Y','V','Y'):
1995         case VLC_FOURCC('R','V','1','5'):
1996         case VLC_FOURCC('R','V','1','6'):
1997         case VLC_FOURCC('R','V','2','4'): /* Fixme: pixel pitch == 4 ? */
1998         case VLC_FOURCC('R','V','3','2'):
1999
2000             for( i_plane = 0; i_plane < p_pic->p_sys->p_image->num_planes;
2001                  i_plane++ )
2002             {
2003                 p_pic->p[i_plane].p_pixels = (uint8_t*)p_pic->p_sys->p_image->data
2004                     + p_pic->p_sys->p_image->offsets[i_plane];
2005                 p_pic->p[i_plane].i_pitch =
2006                     p_pic->p_sys->p_image->pitches[i_plane];
2007             }
2008             if( p_vout->output.i_chroma == VLC_FOURCC('Y','V','1','2') )
2009             {
2010                 /* U and V inverted compared to I420
2011                  * Fixme: this should be handled by the vout core */
2012                 p_pic->U_PIXELS = (uint8_t*)p_pic->p_sys->p_image->data
2013                     + p_pic->p_sys->p_image->offsets[2];
2014                 p_pic->V_PIXELS = (uint8_t*)p_pic->p_sys->p_image->data
2015                     + p_pic->p_sys->p_image->offsets[1];
2016             }
2017             break;
2018
2019 #else
2020         case VLC_FOURCC('R','G','B','2'):
2021         case VLC_FOURCC('R','V','1','6'):
2022         case VLC_FOURCC('R','V','1','5'):
2023         case VLC_FOURCC('R','V','2','4'):
2024         case VLC_FOURCC('R','V','3','2'):
2025
2026             p_pic->p->i_lines = p_pic->p_sys->p_image->height;
2027             p_pic->p->i_visible_lines = p_pic->p_sys->p_image->height;
2028             p_pic->p->p_pixels = (uint8_t*)p_pic->p_sys->p_image->data
2029                                   + p_pic->p_sys->p_image->xoffset;
2030             p_pic->p->i_pitch = p_pic->p_sys->p_image->bytes_per_line;
2031
2032             /* p_pic->p->i_pixel_pitch = 4 for RV24 but this should be set
2033              * properly by vout_InitPicture() */
2034             p_pic->p->i_visible_pitch = p_pic->p->i_pixel_pitch
2035                                          * p_pic->p_sys->p_image->width;
2036             break;
2037 #endif
2038
2039         default:
2040             /* Unknown chroma, tell the guy to get lost */
2041             IMAGE_FREE( p_pic->p_sys->p_image );
2042             free( p_pic->p_sys );
2043             msg_Err( p_vout, "never heard of chroma 0x%.8x (%4.4s)",
2044                      p_vout->output.i_chroma, (char*)&p_vout->output.i_chroma );
2045             p_pic->i_planes = 0;
2046             return -1;
2047     }
2048 #else
2049
2050     VLC_UNUSED(p_vout); VLC_UNUSED(p_pic);
2051
2052 #endif /* !MODULE_NAME_IS_glx */
2053
2054     return 0;
2055 }
2056
2057 /*****************************************************************************
2058  * FreePicture: destroy a picture allocated with NewPicture
2059  *****************************************************************************
2060  * Destroy XImage AND associated data. If using Shm, detach shared memory
2061  * segment from server and process, then free it. The XDestroyImage manpage
2062  * says that both the image structure _and_ the data pointed to by the
2063  * image structure are freed, so no need to free p_image->data.
2064  *****************************************************************************/
2065 static void FreePicture( vout_thread_t *p_vout, picture_t *p_pic )
2066 {
2067     /* The order of operations is correct */
2068 #ifdef HAVE_SYS_SHM_H
2069     if( p_vout->p_sys->i_shm_opcode )
2070     {
2071         XShmDetach( p_vout->p_sys->p_display, &p_pic->p_sys->shminfo );
2072         IMAGE_FREE( p_pic->p_sys->p_image );
2073
2074         shmctl( p_pic->p_sys->shminfo.shmid, IPC_RMID, 0 );
2075         if( shmdt( p_pic->p_sys->shminfo.shmaddr ) )
2076         {
2077             msg_Err( p_vout, "cannot detach shared memory (%m)" );
2078         }
2079     }
2080     else
2081 #endif
2082     {
2083         IMAGE_FREE( p_pic->p_sys->p_image );
2084     }
2085
2086 #ifdef MODULE_NAME_IS_xvmc
2087     if( p_pic->p_sys->xvmc_surf != NULL )
2088     {
2089         xxmc_xvmc_free_surface(p_vout , p_pic->p_sys->xvmc_surf);
2090         p_pic->p_sys->xvmc_surf = NULL;
2091     }
2092 #endif
2093
2094     /* Do NOT use XFlush here ! */
2095     XSync( p_vout->p_sys->p_display, False );
2096
2097     free( p_pic->p_sys );
2098 }
2099
2100 /*****************************************************************************
2101  * ToggleFullScreen: Enable or disable full screen mode
2102  *****************************************************************************
2103  * This function will switch between fullscreen and window mode.
2104  *****************************************************************************/
2105 static void ToggleFullScreen ( vout_thread_t *p_vout )
2106 {
2107     Atom prop;
2108     XEvent xevent;
2109     mwmhints_t mwmhints;
2110     XSetWindowAttributes attributes;
2111
2112 #ifdef HAVE_XINERAMA
2113     int i_d1, i_d2;
2114 #endif
2115
2116     p_vout->b_fullscreen = !p_vout->b_fullscreen;
2117
2118     if( p_vout->b_fullscreen )
2119     {
2120         msg_Dbg( p_vout, "entering fullscreen mode" );
2121
2122         p_vout->p_sys->b_altfullscreen =
2123             config_GetInt( p_vout, MODULE_STRING "-altfullscreen" );
2124
2125         XUnmapWindow( p_vout->p_sys->p_display,
2126                       p_vout->p_sys->p_win->base_window );
2127
2128         p_vout->p_sys->p_win = &p_vout->p_sys->fullscreen_window;
2129
2130         CreateWindow( p_vout, p_vout->p_sys->p_win );
2131         XDestroyWindow( p_vout->p_sys->p_display,
2132                         p_vout->p_sys->fullscreen_window.video_window );
2133         XReparentWindow( p_vout->p_sys->p_display,
2134                          p_vout->p_sys->original_window.video_window,
2135                          p_vout->p_sys->fullscreen_window.base_window, 0, 0 );
2136         p_vout->p_sys->fullscreen_window.video_window =
2137             p_vout->p_sys->original_window.video_window;
2138
2139         /* To my knowledge there are two ways to create a borderless window.
2140          * There's the generic way which is to tell x to bypass the window
2141          * manager, but this creates problems with the focus of other
2142          * applications.
2143          * The other way is to use the motif property "_MOTIF_WM_HINTS" which
2144          * luckily seems to be supported by most window managers. */
2145         if( !p_vout->p_sys->b_altfullscreen )
2146         {
2147             mwmhints.flags = MWM_HINTS_DECORATIONS;
2148             mwmhints.decorations = False;
2149
2150             prop = XInternAtom( p_vout->p_sys->p_display, "_MOTIF_WM_HINTS",
2151                                 False );
2152             XChangeProperty( p_vout->p_sys->p_display,
2153                              p_vout->p_sys->p_win->base_window,
2154                              prop, prop, 32, PropModeReplace,
2155                              (unsigned char *)&mwmhints,
2156                              PROP_MWM_HINTS_ELEMENTS );
2157         }
2158         else
2159         {
2160             /* brute force way to remove decorations */
2161             attributes.override_redirect = True;
2162             XChangeWindowAttributes( p_vout->p_sys->p_display,
2163                                      p_vout->p_sys->p_win->base_window,
2164                                      CWOverrideRedirect,
2165                                      &attributes);
2166
2167             /* Make sure the change is effective */
2168             XReparentWindow( p_vout->p_sys->p_display,
2169                              p_vout->p_sys->p_win->base_window,
2170                              DefaultRootWindow( p_vout->p_sys->p_display ),
2171                              0, 0 );
2172         }
2173
2174         if( p_vout->p_sys->b_net_wm_state_fullscreen )
2175         {
2176             XClientMessageEvent event;
2177
2178             memset( &event, 0, sizeof( XClientMessageEvent ) );
2179
2180             event.type = ClientMessage;
2181             event.message_type = p_vout->p_sys->net_wm_state;
2182             event.display = p_vout->p_sys->p_display;
2183             event.window = p_vout->p_sys->p_win->base_window;
2184             event.format = 32;
2185             event.data.l[ 0 ] = 1; /* set property */
2186             event.data.l[ 1 ] = p_vout->p_sys->net_wm_state_fullscreen;
2187
2188             XSendEvent( p_vout->p_sys->p_display,
2189                         DefaultRootWindow( p_vout->p_sys->p_display ),
2190                         False, SubstructureRedirectMask,
2191                         (XEvent*)&event );
2192         }
2193
2194         /* Make sure the change is effective */
2195         XReparentWindow( p_vout->p_sys->p_display,
2196                          p_vout->p_sys->p_win->base_window,
2197                          DefaultRootWindow( p_vout->p_sys->p_display ),
2198                          0, 0 );
2199
2200 #ifdef HAVE_XINERAMA
2201         if( XineramaQueryExtension( p_vout->p_sys->p_display, &i_d1, &i_d2 ) &&
2202             XineramaIsActive( p_vout->p_sys->p_display ) )
2203         {
2204             XineramaScreenInfo *screens;   /* infos for xinerama */
2205             int i_num_screens;
2206
2207             msg_Dbg( p_vout, "using XFree Xinerama extension");
2208
2209 #define SCREEN p_vout->p_sys->p_win->i_screen
2210
2211             /* Get Information about Xinerama (num of screens) */
2212             screens = XineramaQueryScreens( p_vout->p_sys->p_display,
2213                                             &i_num_screens );
2214
2215             SCREEN = config_GetInt( p_vout,
2216                                         MODULE_STRING "-xineramascreen" );
2217
2218             /* just check that user has entered a good value */
2219             if( SCREEN >= i_num_screens || SCREEN < 0 )
2220             {
2221                 msg_Dbg( p_vout, "requested screen number invalid (%d/%d)", SCREEN, i_num_screens );
2222                 SCREEN = 0;
2223             }
2224
2225             /* Get the X/Y upper left corner coordinate of the above screen */
2226             p_vout->p_sys->p_win->i_x = screens[SCREEN].x_org;
2227             p_vout->p_sys->p_win->i_y = screens[SCREEN].y_org;
2228
2229             /* Set the Height/width to the screen resolution */
2230             p_vout->p_sys->p_win->i_width = screens[SCREEN].width;
2231             p_vout->p_sys->p_win->i_height = screens[SCREEN].height;
2232
2233             XFree(screens);
2234
2235 #undef SCREEN
2236
2237         }
2238         else
2239 #endif
2240         {
2241             /* The window wasn't necessarily created at the requested size */
2242             p_vout->p_sys->p_win->i_x = p_vout->p_sys->p_win->i_y = 0;
2243
2244 #ifdef HAVE_XF86VIDMODE
2245             XF86VidModeModeLine mode;
2246             int i_dummy;
2247
2248             if( XF86VidModeGetModeLine( p_vout->p_sys->p_display,
2249                                         p_vout->p_sys->i_screen, &i_dummy,
2250                                         &mode ) )
2251             {
2252                 p_vout->p_sys->p_win->i_width = mode.hdisplay;
2253                 p_vout->p_sys->p_win->i_height = mode.vdisplay;
2254
2255                 /* move cursor to the middle of the window to prevent
2256                  * unwanted display move if the display is smaller than the
2257                  * full desktop */
2258                 XWarpPointer( p_vout->p_sys->p_display, None,
2259                               p_vout->p_sys->p_win->base_window, 0, 0, 0, 0,
2260                               mode.hdisplay / 2 , mode.vdisplay / 2 );
2261                 /* force desktop view to upper left corner */
2262                 XF86VidModeSetViewPort( p_vout->p_sys->p_display,
2263                                         p_vout->p_sys->i_screen, 0, 0 );
2264             }
2265             else
2266 #endif
2267             {
2268                 p_vout->p_sys->p_win->i_width =
2269                     DisplayWidth( p_vout->p_sys->p_display,
2270                                 p_vout->p_sys->i_screen );
2271                 p_vout->p_sys->p_win->i_height =
2272                     DisplayHeight( p_vout->p_sys->p_display,
2273                                 p_vout->p_sys->i_screen );
2274             }
2275
2276         }
2277
2278         XMoveResizeWindow( p_vout->p_sys->p_display,
2279                            p_vout->p_sys->p_win->base_window,
2280                            p_vout->p_sys->p_win->i_x,
2281                            p_vout->p_sys->p_win->i_y,
2282                            p_vout->p_sys->p_win->i_width,
2283                            p_vout->p_sys->p_win->i_height );
2284
2285 #ifdef HAVE_XSP
2286         EnablePixelDoubling( p_vout );
2287 #endif
2288
2289         /* Activate the window (give it the focus) */
2290         XClientMessageEvent event;
2291
2292         memset( &event, 0, sizeof( XClientMessageEvent ) );
2293
2294         event.type = ClientMessage;
2295         event.message_type =
2296            XInternAtom( p_vout->p_sys->p_display, "_NET_ACTIVE_WINDOW", False );
2297         event.display = p_vout->p_sys->p_display;
2298         event.window = p_vout->p_sys->p_win->base_window;
2299         event.format = 32;
2300         event.data.l[ 0 ] = 1; /* source indication (1 = from an application */
2301         event.data.l[ 1 ] = 0; /* timestamp */
2302         event.data.l[ 2 ] = 0; /* requestor's currently active window */
2303         /* XXX: window manager would be more likely to obey if we already have
2304          * an active window (and give it to the event), such as an interface */
2305
2306         XSendEvent( p_vout->p_sys->p_display,
2307                     DefaultRootWindow( p_vout->p_sys->p_display ),
2308                     False, SubstructureRedirectMask,
2309                     (XEvent*)&event );
2310     }
2311     else
2312     {
2313         msg_Dbg( p_vout, "leaving fullscreen mode" );
2314
2315 #ifdef HAVE_XSP
2316         DisablePixelDoubling( p_vout );
2317 #endif
2318
2319         XReparentWindow( p_vout->p_sys->p_display,
2320                          p_vout->p_sys->original_window.video_window,
2321                          p_vout->p_sys->original_window.base_window, 0, 0 );
2322
2323         p_vout->p_sys->fullscreen_window.video_window = None;
2324         DestroyWindow( p_vout, &p_vout->p_sys->fullscreen_window );
2325         p_vout->p_sys->p_win = &p_vout->p_sys->original_window;
2326
2327         XMapWindow( p_vout->p_sys->p_display,
2328                     p_vout->p_sys->p_win->base_window );
2329     }
2330
2331     /* Unfortunately, using XSync() here is not enough to ensure the
2332      * window has already been mapped because the XMapWindow() request
2333      * has not necessarily been sent directly to our window (remember,
2334      * the call is first redirected to the window manager) */
2335     do
2336     {
2337         XWindowEvent( p_vout->p_sys->p_display,
2338                       p_vout->p_sys->p_win->base_window,
2339                       StructureNotifyMask, &xevent );
2340     } while( xevent.type != MapNotify );
2341
2342     /* Be careful, this can generate a BadMatch error if the window is not
2343      * already mapped by the server (see above) */
2344     XSetInputFocus(p_vout->p_sys->p_display,
2345                    p_vout->p_sys->p_win->base_window,
2346                    RevertToParent,
2347                    CurrentTime);
2348
2349     /* signal that the size needs to be updated */
2350     p_vout->i_changes |= VOUT_SIZE_CHANGE;
2351 }
2352
2353 /*****************************************************************************
2354  * EnableXScreenSaver: enable screen saver
2355  *****************************************************************************
2356  * This function enables the screen saver on a display after it has been
2357  * disabled by XDisableScreenSaver.
2358  * FIXME: what happens if multiple vlc sessions are running at the same
2359  *        time ???
2360  *****************************************************************************/
2361 static void EnableXScreenSaver( vout_thread_t *p_vout )
2362 {
2363 #ifdef DPMSINFO_IN_DPMS_H
2364     int dummy;
2365 #endif
2366
2367     if( p_vout->p_sys->i_ss_timeout )
2368     {
2369         XSetScreenSaver( p_vout->p_sys->p_display, p_vout->p_sys->i_ss_timeout,
2370                          p_vout->p_sys->i_ss_interval,
2371                          p_vout->p_sys->i_ss_blanking,
2372                          p_vout->p_sys->i_ss_exposure );
2373     }
2374
2375     /* Restore DPMS settings */
2376 #ifdef DPMSINFO_IN_DPMS_H
2377     if( DPMSQueryExtension( p_vout->p_sys->p_display, &dummy, &dummy ) )
2378     {
2379         if( p_vout->p_sys->b_ss_dpms )
2380         {
2381             DPMSEnable( p_vout->p_sys->p_display );
2382         }
2383     }
2384 #endif
2385 }
2386
2387 /*****************************************************************************
2388  * DisableXScreenSaver: disable screen saver
2389  *****************************************************************************
2390  * See XEnableXScreenSaver
2391  *****************************************************************************/
2392 static void DisableXScreenSaver( vout_thread_t *p_vout )
2393 {
2394 #ifdef DPMSINFO_IN_DPMS_H
2395     int dummy;
2396 #endif
2397
2398     /* Save screen saver information */
2399     XGetScreenSaver( p_vout->p_sys->p_display, &p_vout->p_sys->i_ss_timeout,
2400                      &p_vout->p_sys->i_ss_interval,
2401                      &p_vout->p_sys->i_ss_blanking,
2402                      &p_vout->p_sys->i_ss_exposure );
2403
2404     /* Disable screen saver */
2405     if( p_vout->p_sys->i_ss_timeout )
2406     {
2407         XSetScreenSaver( p_vout->p_sys->p_display, 0,
2408                          p_vout->p_sys->i_ss_interval,
2409                          p_vout->p_sys->i_ss_blanking,
2410                          p_vout->p_sys->i_ss_exposure );
2411     }
2412
2413     /* Disable DPMS */
2414 #ifdef DPMSINFO_IN_DPMS_H
2415     if( DPMSQueryExtension( p_vout->p_sys->p_display, &dummy, &dummy ) )
2416     {
2417         CARD16 unused;
2418         /* Save DPMS current state */
2419         DPMSInfo( p_vout->p_sys->p_display, &unused,
2420                   &p_vout->p_sys->b_ss_dpms );
2421         DPMSDisable( p_vout->p_sys->p_display );
2422    }
2423 #endif
2424 }
2425
2426 /*****************************************************************************
2427  * CreateCursor: create a blank mouse pointer
2428  *****************************************************************************/
2429 static void CreateCursor( vout_thread_t *p_vout )
2430 {
2431     XColor cursor_color;
2432
2433     p_vout->p_sys->cursor_pixmap =
2434         XCreatePixmap( p_vout->p_sys->p_display,
2435                        DefaultRootWindow( p_vout->p_sys->p_display ),
2436                        1, 1, 1 );
2437
2438     XParseColor( p_vout->p_sys->p_display,
2439                  XCreateColormap( p_vout->p_sys->p_display,
2440                                   DefaultRootWindow(
2441                                                     p_vout->p_sys->p_display ),
2442                                   DefaultVisual(
2443                                                 p_vout->p_sys->p_display,
2444                                                 p_vout->p_sys->i_screen ),
2445                                   AllocNone ),
2446                  "black", &cursor_color );
2447
2448     p_vout->p_sys->blank_cursor =
2449         XCreatePixmapCursor( p_vout->p_sys->p_display,
2450                              p_vout->p_sys->cursor_pixmap,
2451                              p_vout->p_sys->cursor_pixmap,
2452                              &cursor_color, &cursor_color, 1, 1 );
2453 }
2454
2455 /*****************************************************************************
2456  * DestroyCursor: destroy the blank mouse pointer
2457  *****************************************************************************/
2458 static void DestroyCursor( vout_thread_t *p_vout )
2459 {
2460     XFreePixmap( p_vout->p_sys->p_display, p_vout->p_sys->cursor_pixmap );
2461 }
2462
2463 /*****************************************************************************
2464  * ToggleCursor: hide or show the mouse pointer
2465  *****************************************************************************
2466  * This function hides the X pointer if it is visible by setting the pointer
2467  * sprite to a blank one. To show it again, we disable the sprite.
2468  *****************************************************************************/
2469 static void ToggleCursor( vout_thread_t *p_vout )
2470 {
2471     if( p_vout->p_sys->b_mouse_pointer_visible )
2472     {
2473         XDefineCursor( p_vout->p_sys->p_display,
2474                        p_vout->p_sys->p_win->base_window,
2475                        p_vout->p_sys->blank_cursor );
2476         p_vout->p_sys->b_mouse_pointer_visible = 0;
2477     }
2478     else
2479     {
2480         XUndefineCursor( p_vout->p_sys->p_display,
2481                          p_vout->p_sys->p_win->base_window );
2482         p_vout->p_sys->b_mouse_pointer_visible = 1;
2483     }
2484 }
2485
2486 #if defined(MODULE_NAME_IS_xvideo) || defined(MODULE_NAME_IS_xvmc)
2487 /*****************************************************************************
2488  * XVideoGetPort: get YUV12 port
2489  *****************************************************************************/
2490 static int XVideoGetPort( vout_thread_t *p_vout,
2491                           vlc_fourcc_t i_chroma, vlc_fourcc_t *pi_newchroma )
2492 {
2493     XvAdaptorInfo *p_adaptor;
2494     unsigned int i;
2495     unsigned int i_adaptor, i_num_adaptors;
2496     int i_requested_adaptor;
2497     int i_selected_port;
2498
2499     switch( XvQueryExtension( p_vout->p_sys->p_display, &i, &i, &i, &i, &i ) )
2500     {
2501         case Success:
2502             break;
2503
2504         case XvBadExtension:
2505             msg_Warn( p_vout, "XvBadExtension" );
2506             return -1;
2507
2508         case XvBadAlloc:
2509             msg_Warn( p_vout, "XvBadAlloc" );
2510             return -1;
2511
2512         default:
2513             msg_Warn( p_vout, "XvQueryExtension failed" );
2514             return -1;
2515     }
2516
2517     switch( XvQueryAdaptors( p_vout->p_sys->p_display,
2518                              DefaultRootWindow( p_vout->p_sys->p_display ),
2519                              &i_num_adaptors, &p_adaptor ) )
2520     {
2521         case Success:
2522             break;
2523
2524         case XvBadExtension:
2525             msg_Warn( p_vout, "XvBadExtension for XvQueryAdaptors" );
2526             return -1;
2527
2528         case XvBadAlloc:
2529             msg_Warn( p_vout, "XvBadAlloc for XvQueryAdaptors" );
2530             return -1;
2531
2532         default:
2533             msg_Warn( p_vout, "XvQueryAdaptors failed" );
2534             return -1;
2535     }
2536
2537     i_selected_port = -1;
2538 #ifdef MODULE_NAME_IS_xvmc
2539     i_requested_adaptor = config_GetInt( p_vout, "xvmc-adaptor" );
2540 #else
2541     i_requested_adaptor = config_GetInt( p_vout, "xvideo-adaptor" );
2542 #endif
2543     for( i_adaptor = 0; i_adaptor < i_num_adaptors; ++i_adaptor )
2544     {
2545         XvImageFormatValues *p_formats;
2546         int i_format, i_num_formats;
2547         int i_port;
2548
2549         /* If we requested an adaptor and it's not this one, we aren't
2550          * interested */
2551         if( i_requested_adaptor != -1 && ((int)i_adaptor != i_requested_adaptor) )
2552         {
2553             continue;
2554         }
2555
2556         /* If the adaptor doesn't have the required properties, skip it */
2557         if( !( p_adaptor[ i_adaptor ].type & XvInputMask ) ||
2558             !( p_adaptor[ i_adaptor ].type & XvImageMask ) )
2559         {
2560             continue;
2561         }
2562
2563         /* Check that adaptor supports our requested format... */
2564         p_formats = XvListImageFormats( p_vout->p_sys->p_display,
2565                                         p_adaptor[i_adaptor].base_id,
2566                                         &i_num_formats );
2567
2568         for( i_format = 0;
2569              i_format < i_num_formats && ( i_selected_port == -1 );
2570              i_format++ )
2571         {
2572             XvAttribute     *p_attr;
2573             int             i_attr, i_num_attributes;
2574             Atom            autopaint = None, colorkey = None;
2575
2576             /* If this is not the format we want, or at least a
2577              * similar one, forget it */
2578             if( !vout_ChromaCmp( p_formats[ i_format ].id, i_chroma ) )
2579             {
2580                 continue;
2581             }
2582
2583             /* Look for the first available port supporting this format */
2584             for( i_port = p_adaptor[i_adaptor].base_id;
2585                  ( i_port < (int)(p_adaptor[i_adaptor].base_id
2586                                    + p_adaptor[i_adaptor].num_ports) )
2587                    && ( i_selected_port == -1 );
2588                  i_port++ )
2589             {
2590                 if( XvGrabPort( p_vout->p_sys->p_display, i_port, CurrentTime )
2591                      == Success )
2592                 {
2593                     i_selected_port = i_port;
2594                     *pi_newchroma = p_formats[ i_format ].id;
2595                 }
2596             }
2597
2598             /* If no free port was found, forget it */
2599             if( i_selected_port == -1 )
2600             {
2601                 continue;
2602             }
2603
2604             /* If we found a port, print information about it */
2605             msg_Dbg( p_vout, "adaptor %i, port %i, format 0x%x (%4.4s) %s",
2606                      i_adaptor, i_selected_port, p_formats[ i_format ].id,
2607                      (char *)&p_formats[ i_format ].id,
2608                      ( p_formats[ i_format ].format == XvPacked ) ?
2609                          "packed" : "planar" );
2610
2611             /* Use XV_AUTOPAINT_COLORKEY if supported, otherwise we will
2612              * manually paint the colour key */
2613             p_attr = XvQueryPortAttributes( p_vout->p_sys->p_display,
2614                                             i_selected_port,
2615                                             &i_num_attributes );
2616
2617             for( i_attr = 0; i_attr < i_num_attributes; i_attr++ )
2618             {
2619                 if( !strcmp( p_attr[i_attr].name, "XV_AUTOPAINT_COLORKEY" ) )
2620                 {
2621                     autopaint = XInternAtom( p_vout->p_sys->p_display,
2622                                              "XV_AUTOPAINT_COLORKEY", False );
2623                     XvSetPortAttribute( p_vout->p_sys->p_display,
2624                                         i_selected_port, autopaint, 1 );
2625                 }
2626                 if( !strcmp( p_attr[i_attr].name, "XV_COLORKEY" ) )
2627                 {
2628                     /* Find out the default colour key */
2629                     colorkey = XInternAtom( p_vout->p_sys->p_display,
2630                                             "XV_COLORKEY", False );
2631                     XvGetPortAttribute( p_vout->p_sys->p_display,
2632                                         i_selected_port, colorkey,
2633                                         &p_vout->p_sys->i_colourkey );
2634                 }
2635             }
2636             p_vout->p_sys->b_paint_colourkey =
2637                 autopaint == None && colorkey != None;
2638
2639             if( p_attr != NULL )
2640             {
2641                 XFree( p_attr );
2642             }
2643         }
2644
2645         if( p_formats != NULL )
2646         {
2647             XFree( p_formats );
2648         }
2649
2650     }
2651
2652     if( i_num_adaptors > 0 )
2653     {
2654         XvFreeAdaptorInfo( p_adaptor );
2655     }
2656
2657     if( i_selected_port == -1 )
2658     {
2659         int i_chroma_tmp = X112VLC_FOURCC( i_chroma );
2660         if( i_requested_adaptor == -1 )
2661         {
2662             msg_Warn( p_vout, "no free XVideo port found for format "
2663                       "0x%.8x (%4.4s)", i_chroma_tmp, (char*)&i_chroma_tmp );
2664         }
2665         else
2666         {
2667             msg_Warn( p_vout, "XVideo adaptor %i does not have a free "
2668                       "XVideo port for format 0x%.8x (%4.4s)",
2669                       i_requested_adaptor, i_chroma_tmp, (char*)&i_chroma_tmp );
2670         }
2671     }
2672
2673     return i_selected_port;
2674 }
2675
2676 /*****************************************************************************
2677  * XVideoReleasePort: release YUV12 port
2678  *****************************************************************************/
2679 static void XVideoReleasePort( vout_thread_t *p_vout, int i_port )
2680 {
2681     XvUngrabPort( p_vout->p_sys->p_display, i_port, CurrentTime );
2682 }
2683 #endif
2684
2685 /*****************************************************************************
2686  * InitDisplay: open and initialize X11 device
2687  *****************************************************************************
2688  * Create a window according to video output given size, and set other
2689  * properties according to the display properties.
2690  *****************************************************************************/
2691 static int InitDisplay( vout_thread_t *p_vout )
2692 {
2693 #ifdef MODULE_NAME_IS_x11
2694     XPixmapFormatValues *       p_formats;                 /* pixmap formats */
2695     XVisualInfo *               p_xvisual;            /* visuals information */
2696     XVisualInfo                 xvisual_template;         /* visual template */
2697     int                         i_count, i;                    /* array size */
2698 #endif
2699
2700 #ifdef HAVE_SYS_SHM_H
2701     p_vout->p_sys->i_shm_opcode = 0;
2702
2703     if( config_GetInt( p_vout, MODULE_STRING "-shm" ) )
2704     {
2705         int major, evt, err;
2706
2707         if( XQueryExtension( p_vout->p_sys->p_display, "MIT-SHM", &major,
2708                              &evt, &err )
2709          && XShmQueryExtension( p_vout->p_sys->p_display ) )
2710             p_vout->p_sys->i_shm_opcode = major;
2711
2712         if( p_vout->p_sys->i_shm_opcode )
2713         {
2714             int major, minor;
2715             Bool pixmaps;
2716
2717             XShmQueryVersion( p_vout->p_sys->p_display, &major, &minor,
2718                               &pixmaps );
2719             msg_Dbg( p_vout, "XShm video extension v%d.%d "
2720                      "(with%s pixmaps, opcode: %d)",
2721                      major, minor, pixmaps ? "" : "out",
2722                      p_vout->p_sys->i_shm_opcode );
2723         }
2724         else
2725             msg_Warn( p_vout, "XShm video extension not available" );
2726     }
2727     else
2728         msg_Dbg( p_vout, "XShm video extension disabled" );
2729 #endif
2730
2731 #ifdef MODULE_NAME_IS_xvideo
2732     /* XXX The brightness and contrast values should be read from environment
2733      * XXX variables... */
2734 #if 0
2735     XVideoSetAttribute( p_vout, "XV_BRIGHTNESS", 0.5 );
2736     XVideoSetAttribute( p_vout, "XV_CONTRAST",   0.5 );
2737 #endif
2738 #endif
2739
2740 #ifdef MODULE_NAME_IS_x11
2741     /* Initialize structure */
2742     p_vout->p_sys->i_screen = DefaultScreen( p_vout->p_sys->p_display );
2743
2744     /* Get screen depth */
2745     p_vout->p_sys->i_screen_depth = XDefaultDepth( p_vout->p_sys->p_display,
2746                                                    p_vout->p_sys->i_screen );
2747     switch( p_vout->p_sys->i_screen_depth )
2748     {
2749     case 8:
2750         /*
2751          * Screen depth is 8bpp. Use PseudoColor visual with private colormap.
2752          */
2753         xvisual_template.screen =   p_vout->p_sys->i_screen;
2754         xvisual_template.class =    DirectColor;
2755         p_xvisual = XGetVisualInfo( p_vout->p_sys->p_display,
2756                                     VisualScreenMask | VisualClassMask,
2757                                     &xvisual_template, &i_count );
2758         if( p_xvisual == NULL )
2759         {
2760             msg_Err( p_vout, "no PseudoColor visual available" );
2761             return VLC_EGENERIC;
2762         }
2763         p_vout->p_sys->i_bytes_per_pixel = 1;
2764         p_vout->output.pf_setpalette = SetPalette;
2765         break;
2766     case 15:
2767     case 16:
2768     case 24:
2769     default:
2770         /*
2771          * Screen depth is higher than 8bpp. TrueColor visual is used.
2772          */
2773         xvisual_template.screen =   p_vout->p_sys->i_screen;
2774         xvisual_template.class =    TrueColor;
2775 /* In some cases, we get a truecolor class adaptor that has a different
2776    color depth. So try to get a real true color one first */
2777         xvisual_template.depth =    p_vout->p_sys->i_screen_depth;
2778
2779         p_xvisual = XGetVisualInfo( p_vout->p_sys->p_display,
2780                                     VisualScreenMask | VisualClassMask |
2781                                     VisualDepthMask,
2782                                     &xvisual_template, &i_count );
2783         if( p_xvisual == NULL )
2784         {
2785             msg_Warn( p_vout, "No screen matching the required color depth" );
2786             p_xvisual = XGetVisualInfo( p_vout->p_sys->p_display,
2787                                     VisualScreenMask | VisualClassMask,
2788                                     &xvisual_template, &i_count );
2789             if( p_xvisual == NULL )
2790             {
2791
2792                 msg_Err( p_vout, "no TrueColor visual available" );
2793                 return VLC_EGENERIC;
2794             }
2795         }
2796
2797         p_vout->output.i_rmask = p_xvisual->red_mask;
2798         p_vout->output.i_gmask = p_xvisual->green_mask;
2799         p_vout->output.i_bmask = p_xvisual->blue_mask;
2800
2801         /* There is no difference yet between 3 and 4 Bpp. The only way
2802          * to find the actual number of bytes per pixel is to list supported
2803          * pixmap formats. */
2804         p_formats = XListPixmapFormats( p_vout->p_sys->p_display, &i_count );
2805         p_vout->p_sys->i_bytes_per_pixel = 0;
2806
2807         for( i = 0; i < i_count; i++ )
2808         {
2809             /* Under XFree4.0, the list contains pixmap formats available
2810              * through all video depths ; so we have to check against current
2811              * depth. */
2812             if( p_formats[i].depth == (int)p_vout->p_sys->i_screen_depth )
2813             {
2814                 if( p_formats[i].bits_per_pixel / 8
2815                         > (int)p_vout->p_sys->i_bytes_per_pixel )
2816                 {
2817                     p_vout->p_sys->i_bytes_per_pixel =
2818                         p_formats[i].bits_per_pixel / 8;
2819                 }
2820             }
2821         }
2822         if( p_formats ) XFree( p_formats );
2823
2824         break;
2825     }
2826     p_vout->p_sys->p_visual = p_xvisual->visual;
2827     XFree( p_xvisual );
2828 #endif
2829
2830     return VLC_SUCCESS;
2831 }
2832
2833 #ifndef MODULE_NAME_IS_glx
2834
2835 #ifdef HAVE_SYS_SHM_H
2836 /*****************************************************************************
2837  * CreateShmImage: create an XImage or XvImage using shared memory extension
2838  *****************************************************************************
2839  * Prepare an XImage or XvImage for display function.
2840  * The order of the operations respects the recommandations of the mit-shm
2841  * document by J.Corbet and K.Packard. Most of the parameters were copied from
2842  * there. See http://ftp.xfree86.org/pub/XFree86/4.0/doc/mit-shm.TXT
2843  *****************************************************************************/
2844 IMAGE_TYPE * CreateShmImage( vout_thread_t *p_vout,
2845                                     Display* p_display, EXTRA_ARGS_SHM,
2846                                     int i_width, int i_height )
2847 {
2848     IMAGE_TYPE *p_image;
2849     Status result;
2850
2851     /* Create XImage / XvImage */
2852 #ifdef MODULE_NAME_IS_xvideo
2853
2854     /* Make sure the buffer is aligned to multiple of 16 */
2855     i_height = ( i_height + 15 ) >> 4 << 4;
2856     i_width = ( i_width + 15 ) >> 4 << 4;
2857
2858     p_image = XvShmCreateImage( p_display, i_xvport, i_chroma, 0,
2859                                 i_width, i_height, p_shm );
2860 #elif defined(MODULE_NAME_IS_xvmc)
2861     p_image = XvShmCreateImage( p_display, i_xvport, i_chroma, 0,
2862                                 i_width, i_height, p_shm );
2863 #else
2864     p_image = XShmCreateImage( p_display, p_visual, i_depth, ZPixmap, 0,
2865                                p_shm, i_width, i_height );
2866 #endif
2867     if( p_image == NULL )
2868     {
2869         msg_Err( p_vout, "image creation failed" );
2870         return NULL;
2871     }
2872
2873     /* Allocate shared memory segment - 0776 set the access permission
2874      * rights (like umask), they are not yet supported by all X servers */
2875     p_shm->shmid = shmget( IPC_PRIVATE, DATA_SIZE(p_image), IPC_CREAT | 0776 );
2876     if( p_shm->shmid < 0 )
2877     {
2878         msg_Err( p_vout, "cannot allocate shared image data (%m)" );
2879         IMAGE_FREE( p_image );
2880         return NULL;
2881     }
2882
2883     /* Attach shared memory segment to process (read/write) */
2884     p_shm->shmaddr = p_image->data = shmat( p_shm->shmid, 0, 0 );
2885     if(! p_shm->shmaddr )
2886     {
2887         msg_Err( p_vout, "cannot attach shared memory (%m)" );
2888         IMAGE_FREE( p_image );
2889         shmctl( p_shm->shmid, IPC_RMID, 0 );
2890         return NULL;
2891     }
2892
2893     /* Read-only data. We won't be using XShmGetImage */
2894     p_shm->readOnly = True;
2895
2896     /* Attach shared memory segment to X server */
2897     XSynchronize( p_display, True );
2898     i_shm_major = p_vout->p_sys->i_shm_opcode;
2899     result = XShmAttach( p_display, p_shm );
2900     if( result == False || !i_shm_major )
2901     {
2902         msg_Err( p_vout, "cannot attach shared memory to X server" );
2903         IMAGE_FREE( p_image );
2904         shmctl( p_shm->shmid, IPC_RMID, 0 );
2905         shmdt( p_shm->shmaddr );
2906         return NULL;
2907     }
2908     XSynchronize( p_display, False );
2909
2910     /* Send image to X server. This instruction is required, since having
2911      * built a Shm XImage and not using it causes an error on XCloseDisplay,
2912      * and remember NOT to use XFlush ! */
2913     XSync( p_display, False );
2914
2915 #if 0
2916     /* Mark the shm segment to be removed when there are no more
2917      * attachements, so it is automatic on process exit or after shmdt */
2918     shmctl( p_shm->shmid, IPC_RMID, 0 );
2919 #endif
2920
2921     return p_image;
2922 }
2923 #endif
2924
2925 /*****************************************************************************
2926  * CreateImage: create an XImage or XvImage
2927  *****************************************************************************
2928  * Create a simple image used as a buffer.
2929  *****************************************************************************/
2930 static IMAGE_TYPE * CreateImage( vout_thread_t *p_vout,
2931                                  Display *p_display, EXTRA_ARGS,
2932                                  int i_width, int i_height )
2933 {
2934     uint8_t *    p_data;                          /* image data storage zone */
2935     IMAGE_TYPE *p_image;
2936 #ifdef MODULE_NAME_IS_x11
2937     int         i_quantum;                     /* XImage quantum (see below) */
2938     int         i_bytes_per_line;
2939 #endif
2940
2941     /* Allocate memory for image */
2942 #ifdef MODULE_NAME_IS_xvideo
2943
2944     /* Make sure the buffer is aligned to multiple of 16 */
2945     i_height = ( i_height + 15 ) >> 4 << 4;
2946     i_width = ( i_width + 15 ) >> 4 << 4;
2947
2948     p_data = malloc( i_width * i_height * i_bits_per_pixel / 8 );
2949 #elif defined(MODULE_NAME_IS_x11)
2950     i_bytes_per_line = i_width * i_bytes_per_pixel;
2951     p_data = malloc( i_bytes_per_line * i_height );
2952 #endif
2953     if( !p_data )
2954     {
2955         msg_Err( p_vout, "out of memory" );
2956         return NULL;
2957     }
2958
2959 #ifdef MODULE_NAME_IS_x11
2960     /* Optimize the quantum of a scanline regarding its size - the quantum is
2961        a diviser of the number of bits between the start of two scanlines. */
2962     if( i_bytes_per_line & 0xf )
2963     {
2964         i_quantum = 0x8;
2965     }
2966     else if( i_bytes_per_line & 0x10 )
2967     {
2968         i_quantum = 0x10;
2969     }
2970     else
2971     {
2972         i_quantum = 0x20;
2973     }
2974 #endif
2975
2976     /* Create XImage. p_data will be automatically freed */
2977 #ifdef MODULE_NAME_IS_xvideo
2978     p_image = XvCreateImage( p_display, i_xvport, i_chroma,
2979                              (char *)p_data, i_width, i_height );
2980 #elif defined(MODULE_NAME_IS_x11)
2981     p_image = XCreateImage( p_display, p_visual, i_depth, ZPixmap, 0,
2982                             (char *)p_data, i_width, i_height, i_quantum, 0 );
2983 #endif
2984     if( p_image == NULL )
2985     {
2986         msg_Err( p_vout, "XCreateImage() failed" );
2987         free( p_data );
2988         return NULL;
2989     }
2990
2991     return p_image;
2992 }
2993
2994 #endif
2995 /*****************************************************************************
2996  * X11ErrorHandler: replace error handler so we can intercept some of them
2997  *****************************************************************************/
2998 static int X11ErrorHandler( Display * display, XErrorEvent * event )
2999 {
3000     char txt[1024];
3001
3002     XGetErrorText( display, event->error_code, txt, sizeof( txt ) );
3003     fprintf( stderr,
3004              "[????????] x11 video output error: X11 request %u.%u failed "
3005               "with error code %u:\n %s\n",
3006              event->request_code, event->minor_code, event->error_code, txt );
3007
3008     switch( event->request_code )
3009     {
3010     case X_SetInputFocus:
3011         /* Ignore errors on XSetInputFocus()
3012          * (they happen when a window is not yet mapped) */
3013         return 0;
3014     }
3015
3016 #ifdef HAVE_SYS_SHM_H
3017     if( event->request_code == i_shm_major ) /* MIT-SHM */
3018         return i_shm_major = 0;
3019 #endif
3020
3021     XSetErrorHandler(NULL);
3022     return (XSetErrorHandler(X11ErrorHandler))( display, event );
3023 }
3024
3025 #ifdef MODULE_NAME_IS_x11
3026 /*****************************************************************************
3027  * SetPalette: sets an 8 bpp palette
3028  *****************************************************************************
3029  * This function sets the palette given as an argument. It does not return
3030  * anything, but could later send information on which colors it was unable
3031  * to set.
3032  *****************************************************************************/
3033 static void SetPalette( vout_thread_t *p_vout,
3034                         uint16_t *red, uint16_t *green, uint16_t *blue )
3035 {
3036     int i;
3037     XColor p_colors[255];
3038
3039     /* allocate palette */
3040     for( i = 0; i < 255; i++ )
3041     {
3042         /* kludge: colors are indexed reversely because color 255 seems
3043          * to be reserved for black even if we try to set it to white */
3044         p_colors[ i ].pixel = 255 - i;
3045         p_colors[ i ].pad   = 0;
3046         p_colors[ i ].flags = DoRed | DoGreen | DoBlue;
3047         p_colors[ i ].red   = red[ 255 - i ];
3048         p_colors[ i ].blue  = blue[ 255 - i ];
3049         p_colors[ i ].green = green[ 255 - i ];
3050     }
3051
3052     XStoreColors( p_vout->p_sys->p_display,
3053                   p_vout->p_sys->colormap, p_colors, 255 );
3054 }
3055 #endif
3056
3057 /*****************************************************************************
3058  * Control: control facility for the vout
3059  *****************************************************************************/
3060 static int Control( vout_thread_t *p_vout, int i_query, va_list args )
3061 {
3062     bool b_arg;
3063     unsigned int i_width, i_height;
3064     unsigned int *pi_width, *pi_height;
3065     Drawable d = 0;
3066
3067     switch( i_query )
3068     {
3069         case VOUT_GET_SIZE:
3070             if( p_vout->p_sys->p_win->owner_window )
3071                 return vout_ControlWindow( p_vout,
3072                     (void *)p_vout->p_sys->p_win->owner_window, i_query, args);
3073
3074             pi_width  = va_arg( args, unsigned int * );
3075             pi_height = va_arg( args, unsigned int * );
3076
3077             vlc_mutex_lock( &p_vout->p_sys->lock );
3078             *pi_width  = p_vout->p_sys->p_win->i_width;
3079             *pi_height = p_vout->p_sys->p_win->i_height;
3080             vlc_mutex_unlock( &p_vout->p_sys->lock );
3081             return VLC_SUCCESS;
3082
3083         case VOUT_SET_SIZE:
3084             if( p_vout->p_sys->p_win->owner_window )
3085                 return vout_ControlWindow( p_vout,
3086                     (void *)p_vout->p_sys->p_win->owner_window, i_query, args);
3087
3088             vlc_mutex_lock( &p_vout->p_sys->lock );
3089
3090             i_width  = va_arg( args, unsigned int );
3091             i_height = va_arg( args, unsigned int );
3092             if( !i_width ) i_width = p_vout->i_window_width;
3093             if( !i_height ) i_height = p_vout->i_window_height;
3094
3095 #ifdef MODULE_NAME_IS_xvmc
3096             xvmc_context_reader_lock( &p_vout->p_sys->xvmc_lock );
3097 #endif
3098             /* Update dimensions */
3099             XResizeWindow( p_vout->p_sys->p_display,
3100                            p_vout->p_sys->p_win->base_window,
3101                            i_width, i_height );
3102 #ifdef MODULE_NAME_IS_xvmc
3103             xvmc_context_reader_unlock( &p_vout->p_sys->xvmc_lock );
3104 #endif
3105             vlc_mutex_unlock( &p_vout->p_sys->lock );
3106             return VLC_SUCCESS;
3107
3108        case VOUT_CLOSE:
3109             vlc_mutex_lock( &p_vout->p_sys->lock );
3110             XUnmapWindow( p_vout->p_sys->p_display,
3111                           p_vout->p_sys->original_window.base_window );
3112             vlc_mutex_unlock( &p_vout->p_sys->lock );
3113             /* Fall through */
3114
3115        case VOUT_REPARENT:
3116             vlc_mutex_lock( &p_vout->p_sys->lock );
3117             if( i_query == VOUT_REPARENT ) d = (Drawable)va_arg( args, int );
3118             if( !d )
3119             {
3120 #ifdef MODULE_NAME_IS_xvmc
3121             xvmc_context_reader_lock( &p_vout->p_sys->xvmc_lock );
3122 #endif
3123             XReparentWindow( p_vout->p_sys->p_display,
3124                              p_vout->p_sys->original_window.base_window,
3125                              DefaultRootWindow( p_vout->p_sys->p_display ),
3126                              0, 0 );
3127             }
3128             else
3129             XReparentWindow( p_vout->p_sys->p_display,
3130                              p_vout->p_sys->original_window.base_window,
3131                              d, 0, 0);
3132             XSync( p_vout->p_sys->p_display, False );
3133             p_vout->p_sys->original_window.owner_window = 0;
3134 #ifdef MODULE_NAME_IS_xvmc
3135             xvmc_context_reader_unlock( &p_vout->p_sys->xvmc_lock );
3136 #endif
3137             vlc_mutex_unlock( &p_vout->p_sys->lock );
3138             return vout_vaControlDefault( p_vout, i_query, args );
3139
3140         case VOUT_SET_STAY_ON_TOP:
3141             if( p_vout->p_sys->p_win->owner_window )
3142                 return vout_ControlWindow( p_vout,
3143                     (void *)p_vout->p_sys->p_win->owner_window, i_query, args);
3144
3145             b_arg = (bool) va_arg( args, int );
3146             vlc_mutex_lock( &p_vout->p_sys->lock );
3147 #ifdef MODULE_NAME_IS_xvmc
3148             xvmc_context_reader_lock( &p_vout->p_sys->xvmc_lock );
3149 #endif
3150             WindowOnTop( p_vout, b_arg );
3151 #ifdef MODULE_NAME_IS_xvmc
3152             xvmc_context_reader_unlock( &p_vout->p_sys->xvmc_lock );
3153 #endif
3154             vlc_mutex_unlock( &p_vout->p_sys->lock );
3155             return VLC_SUCCESS;
3156
3157        default:
3158             return vout_vaControlDefault( p_vout, i_query, args );
3159     }
3160 }
3161
3162 /*****************************************************************************
3163  * TestNetWMSupport: tests for Extended Window Manager Hints support
3164  *****************************************************************************/
3165 static void TestNetWMSupport( vout_thread_t *p_vout )
3166 {
3167     int i_ret, i_format;
3168     unsigned long i, i_items, i_bytesafter;
3169     Atom net_wm_supported;
3170     union { Atom *p_atom; unsigned char *p_char; } p_args;
3171
3172     p_args.p_atom = NULL;
3173
3174     p_vout->p_sys->b_net_wm_state_fullscreen =
3175     p_vout->p_sys->b_net_wm_state_above =
3176     p_vout->p_sys->b_net_wm_state_below =
3177     p_vout->p_sys->b_net_wm_state_stays_on_top =
3178         false;
3179
3180     net_wm_supported =
3181         XInternAtom( p_vout->p_sys->p_display, "_NET_SUPPORTED", False );
3182
3183     i_ret = XGetWindowProperty( p_vout->p_sys->p_display,
3184                                 DefaultRootWindow( p_vout->p_sys->p_display ),
3185                                 net_wm_supported,
3186                                 0, 16384, False, AnyPropertyType,
3187                                 &net_wm_supported,
3188                                 &i_format, &i_items, &i_bytesafter,
3189                                 (unsigned char **)&p_args );
3190
3191     if( i_ret != Success || i_items == 0 ) return;
3192
3193     msg_Dbg( p_vout, "Window manager supports NetWM" );
3194
3195     p_vout->p_sys->net_wm_state =
3196         XInternAtom( p_vout->p_sys->p_display, "_NET_WM_STATE", False );
3197     p_vout->p_sys->net_wm_state_fullscreen =
3198         XInternAtom( p_vout->p_sys->p_display, "_NET_WM_STATE_FULLSCREEN",
3199                      False );
3200     p_vout->p_sys->net_wm_state_above =
3201         XInternAtom( p_vout->p_sys->p_display, "_NET_WM_STATE_ABOVE", False );
3202     p_vout->p_sys->net_wm_state_below =
3203         XInternAtom( p_vout->p_sys->p_display, "_NET_WM_STATE_BELOW", False );
3204     p_vout->p_sys->net_wm_state_stays_on_top =
3205         XInternAtom( p_vout->p_sys->p_display, "_NET_WM_STATE_STAYS_ON_TOP",
3206                      False );
3207
3208     for( i = 0; i < i_items; i++ )
3209     {
3210         if( p_args.p_atom[i] == p_vout->p_sys->net_wm_state_fullscreen )
3211         {
3212             msg_Dbg( p_vout,
3213                      "Window manager supports _NET_WM_STATE_FULLSCREEN" );
3214             p_vout->p_sys->b_net_wm_state_fullscreen = true;
3215         }
3216         else if( p_args.p_atom[i] == p_vout->p_sys->net_wm_state_above )
3217         {
3218             msg_Dbg( p_vout, "Window manager supports _NET_WM_STATE_ABOVE" );
3219             p_vout->p_sys->b_net_wm_state_above = true;
3220         }
3221         else if( p_args.p_atom[i] == p_vout->p_sys->net_wm_state_below )
3222         {
3223             msg_Dbg( p_vout, "Window manager supports _NET_WM_STATE_BELOW" );
3224             p_vout->p_sys->b_net_wm_state_below = true;
3225         }
3226         else if( p_args.p_atom[i] == p_vout->p_sys->net_wm_state_stays_on_top )
3227         {
3228             msg_Dbg( p_vout,
3229                      "Window manager supports _NET_WM_STATE_STAYS_ON_TOP" );
3230             p_vout->p_sys->b_net_wm_state_stays_on_top = true;
3231         }
3232     }
3233
3234     XFree( p_args.p_atom );
3235 }
3236
3237 /*****************************************************************************
3238  * Key events handling
3239  *****************************************************************************/
3240 static struct
3241 {
3242     int i_x11key;
3243     int i_vlckey;
3244
3245 } x11keys_to_vlckeys[] =
3246 {
3247     { XK_F1, KEY_F1 }, { XK_F2, KEY_F2 }, { XK_F3, KEY_F3 }, { XK_F4, KEY_F4 },
3248     { XK_F5, KEY_F5 }, { XK_F6, KEY_F6 }, { XK_F7, KEY_F7 }, { XK_F8, KEY_F8 },
3249     { XK_F9, KEY_F9 }, { XK_F10, KEY_F10 }, { XK_F11, KEY_F11 },
3250     { XK_F12, KEY_F12 },
3251
3252     { XK_Return, KEY_ENTER },
3253     { XK_KP_Enter, KEY_ENTER },
3254     { XK_space, KEY_SPACE },
3255     { XK_Escape, KEY_ESC },
3256
3257     { XK_Menu, KEY_MENU },
3258     { XK_Left, KEY_LEFT },
3259     { XK_Right, KEY_RIGHT },
3260     { XK_Up, KEY_UP },
3261     { XK_Down, KEY_DOWN },
3262
3263     { XK_Home, KEY_HOME },
3264     { XK_End, KEY_END },
3265     { XK_Page_Up, KEY_PAGEUP },
3266     { XK_Page_Down, KEY_PAGEDOWN },
3267
3268     { XK_Insert, KEY_INSERT },
3269     { XK_Delete, KEY_DELETE },
3270     { XF86XK_AudioNext, KEY_MEDIA_NEXT_TRACK},
3271     { XF86XK_AudioPrev, KEY_MEDIA_PREV_TRACK},
3272     { XF86XK_AudioMute, KEY_VOLUME_MUTE },
3273     { XF86XK_AudioLowerVolume, KEY_VOLUME_DOWN },
3274     { XF86XK_AudioRaiseVolume, KEY_VOLUME_UP },
3275     { XF86XK_AudioPlay, KEY_MEDIA_PLAY_PAUSE },
3276     { XF86XK_AudioPause, KEY_MEDIA_PLAY_PAUSE },
3277
3278     { 0, 0 }
3279 };
3280
3281 static int ConvertKey( int i_key )
3282 {
3283     int i;
3284
3285     for( i = 0; x11keys_to_vlckeys[i].i_x11key != 0; i++ )
3286     {
3287         if( x11keys_to_vlckeys[i].i_x11key == i_key )
3288         {
3289             return x11keys_to_vlckeys[i].i_vlckey;
3290         }
3291     }
3292
3293     return 0;
3294 }
3295
3296 /*****************************************************************************
3297  * WindowOnTop: Switches the "always on top" state of the video window.
3298  *****************************************************************************/
3299 static int WindowOnTop( vout_thread_t *p_vout, bool b_on_top )
3300 {
3301     if( p_vout->p_sys->b_net_wm_state_stays_on_top )
3302     {
3303         XClientMessageEvent event;
3304
3305         memset( &event, 0, sizeof( XClientMessageEvent ) );
3306
3307         event.type = ClientMessage;
3308         event.message_type = p_vout->p_sys->net_wm_state;
3309         event.display = p_vout->p_sys->p_display;
3310         event.window = p_vout->p_sys->p_win->base_window;
3311         event.format = 32;
3312         event.data.l[ 0 ] = b_on_top; /* set property */
3313         event.data.l[ 1 ] = p_vout->p_sys->net_wm_state_stays_on_top;
3314
3315         XSendEvent( p_vout->p_sys->p_display,
3316                     DefaultRootWindow( p_vout->p_sys->p_display ),
3317                     False, SubstructureRedirectMask,
3318                     (XEvent*)&event );
3319     }
3320
3321     /* use _NET_WM_STATE_ABOVE if window manager
3322      * doesn't handle _NET_WM_STATE_STAYS_ON_TOP */
3323     else if( p_vout->p_sys->b_net_wm_state_above )
3324     {
3325         XClientMessageEvent event;
3326
3327         memset( &event, 0, sizeof( XClientMessageEvent ) );
3328
3329         event.type = ClientMessage;
3330         event.message_type = p_vout->p_sys->net_wm_state;
3331         event.display = p_vout->p_sys->p_display;
3332         event.window = p_vout->p_sys->p_win->base_window;
3333         event.format = 32;
3334         event.data.l[ 0 ] = b_on_top; /* set property */
3335         event.data.l[ 1 ] = p_vout->p_sys->net_wm_state_above;
3336
3337         XSendEvent( p_vout->p_sys->p_display,
3338                     DefaultRootWindow( p_vout->p_sys->p_display ),
3339                     False, SubstructureRedirectMask,
3340                     (XEvent*)&event );
3341     }
3342
3343     return VLC_SUCCESS;
3344 }