git.sesse.net Git - vlc/blob - modules/video_output/x11/xcommon.c

   1 /*****************************************************************************
   2  * xcommon.c: Functions common to the X11 and XVideo plugins
   3  *****************************************************************************
   4  * Copyright (C) 1998-2006 the VideoLAN team
   5  * $Id$
   6  *
   7  * Authors: Vincent Seguin <seguin@via.ecp.fr>
   8  *          Sam Hocevar <sam@zoy.org>
   9  *          David Kennedy <dkennedy@tinytoad.com>
  10  *          Gildas Bazin <gbazin@videolan.org>
  11  *
  12  * This program is free software; you can redistribute it and/or modify
  13  * it under the terms of the GNU General Public License as published by
  14  * the Free Software Foundation; either version 2 of the License, or
  15  * (at your option) any later version.
  16  *
  17  * This program is distributed in the hope that it will be useful,
  18  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  19  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  20  * GNU General Public License for more details.
  21  *
  22  * You should have received a copy of the GNU General Public License
  23  * along with this program; if not, write to the Free Software
  24  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
  25  *****************************************************************************/
  26
  27 /*****************************************************************************
  28  * Preamble
  29  *****************************************************************************/
  30 #ifdef HAVE_CONFIG_H
  31 # include "config.h"
  32 #endif
  33
  34 #include <vlc_common.h>
  35 #include <vlc_interface.h>
  36 #include <vlc_playlist.h>
  37 #include <vlc_vout.h>
  38 #include <vlc_window.h>
  39 #include <vlc_keys.h>
  40
  41 #include <errno.h>                                                 /* ENOMEM */
  42
  43 #ifdef HAVE_MACHINE_PARAM_H
  44     /* BSD */
  45 #   include <machine/param.h>
  46 #   include <sys/types.h>                                  /* typedef ushort */
  47 #   include <sys/ipc.h>
  48 #endif
  49
  50 #ifndef WIN32
  51 #   include <netinet/in.h>                            /* BSD: struct in_addr */
  52 #endif
  53
  54 #ifdef HAVE_XSP
  55 #include <X11/extensions/Xsp.h>
  56 #endif
  57
  58 #ifdef HAVE_SYS_SHM_H
  59 #   include <sys/shm.h>                                /* shmget(), shmctl() */
  60 #endif
  61
  62 #include <X11/Xlib.h>
  63 #include <X11/Xproto.h>
  64 #include <X11/Xmd.h>
  65 #include <X11/Xutil.h>
  66 #include <X11/keysym.h>
  67 #include <X11/XF86keysym.h>
  68 #ifdef HAVE_SYS_SHM_H
  69 #   include <X11/extensions/XShm.h>
  70 #endif
  71 #ifdef DPMSINFO_IN_DPMS_H
  72 #   include <X11/extensions/dpms.h>
  73 #endif
  74
  75 #if defined(MODULE_NAME_IS_xvideo) || defined(MODULE_NAME_IS_xvmc)
  76 #   include <X11/extensions/Xv.h>
  77 #   include <X11/extensions/Xvlib.h>
  78 #endif
  79
  80 #ifdef MODULE_NAME_IS_glx
  81 #   include <GL/glx.h>
  82 #endif
  83
  84 #ifdef HAVE_XINERAMA
  85 #   include <X11/extensions/Xinerama.h>
  86 #endif
  87
  88 #ifdef HAVE_X11_EXTENSIONS_XF86VMODE_H
  89 #   include <X11/extensions/xf86vmode.h>
  90 #endif
  91
  92 #ifdef MODULE_NAME_IS_xvmc
  93 #   include <X11/extensions/vldXvMC.h>
  94 #   include "../../codec/xvmc/accel_xvmc.h"
  95 #endif
  96
  97 #include "xcommon.h"
  98
  99 /*****************************************************************************
 100  * Local prototypes
 101  *****************************************************************************/
 102 int  Activate   ( vlc_object_t * );
 103 void Deactivate ( vlc_object_t * );
 104
 105 static int  InitVideo      ( vout_thread_t * );
 106 static void EndVideo       ( vout_thread_t * );
 107 static void DisplayVideo   ( vout_thread_t *, picture_t * );
 108 static int  ManageVideo    ( vout_thread_t * );
 109 static int  Control        ( vout_thread_t *, int, va_list );
 110
 111 static int  InitDisplay    ( vout_thread_t * );
 112
 113 static int  CreateWindow   ( vout_thread_t *, x11_window_t * );
 114 static void DestroyWindow  ( vout_thread_t *, x11_window_t * );
 115
 116 static int  NewPicture     ( vout_thread_t *, picture_t * );
 117 static void FreePicture    ( vout_thread_t *, picture_t * );
 118
 119 #ifdef HAVE_SYS_SHM_H
 120 static int i_shm_major = 0;
 121 #endif
 122
 123 static void ToggleFullScreen      ( vout_thread_t * );
 124
 125 static void EnableXScreenSaver    ( vout_thread_t * );
 126 static void DisableXScreenSaver   ( vout_thread_t * );
 127
 128 static void CreateCursor   ( vout_thread_t * );
 129 static void DestroyCursor  ( vout_thread_t * );
 130 static void ToggleCursor   ( vout_thread_t * );
 131
 132 #if defined(MODULE_NAME_IS_xvideo) || defined(MODULE_NAME_IS_xvmc)
 133 static int  XVideoGetPort    ( vout_thread_t *, vlc_fourcc_t, picture_heap_t * );
 134 static void XVideoReleasePort( vout_thread_t *, int );
 135 #endif
 136
 137 #ifdef MODULE_NAME_IS_x11
 138 static void SetPalette     ( vout_thread_t *,
 139                              uint16_t *, uint16_t *, uint16_t * );
 140 #endif
 141
 142 #ifdef MODULE_NAME_IS_xvmc
 143 static void RenderVideo    ( vout_thread_t *, picture_t * );
 144 static int  xvmc_check_yv12( Display *display, XvPortID port );
 145 static void xvmc_update_XV_DOUBLE_BUFFER( vout_thread_t *p_vout );
 146 #endif
 147
 148 static void TestNetWMSupport( vout_thread_t * );
 149 static int ConvertKey( int );
 150
 151 static int WindowOnTop( vout_thread_t *, bool );
 152
 153 static int X11ErrorHandler( Display *, XErrorEvent * );
 154
 155 #ifdef HAVE_XSP
 156 static void EnablePixelDoubling( vout_thread_t *p_vout );
 157 static void DisablePixelDoubling( vout_thread_t *p_vout );
 158 #endif
 159
 160 #ifdef HAVE_OSSO
 161 static const int i_backlight_on_interval = 300;
 162 #endif
 163
 164
 165
 166 /*****************************************************************************
 167  * Activate: allocate X11 video thread output method
 168  *****************************************************************************
 169  * This function allocate and initialize a X11 vout method. It uses some of the
 170  * vout properties to choose the window size, and change them according to the
 171  * actual properties of the display.
 172  *****************************************************************************/
 173 int Activate ( vlc_object_t *p_this )
 174 {
 175     vout_thread_t *p_vout = (vout_thread_t *)p_this;
 176     char *        psz_display;
 177     vlc_value_t   val;
 178 #if defined(MODULE_NAME_IS_xvmc)
 179     char *psz_value;
 180 #endif
 181 #if defined(MODULE_NAME_IS_xvideo) || defined(MODULE_NAME_IS_xvmc)
 182     char *       psz_chroma;
 183     vlc_fourcc_t i_chroma = 0;
 184     bool   b_chroma = 0;
 185 #endif
 186
 187     p_vout->pf_init = InitVideo;
 188     p_vout->pf_end = EndVideo;
 189     p_vout->pf_manage = ManageVideo;
 190 #ifdef MODULE_NAME_IS_xvmc
 191     p_vout->pf_render = RenderVideo;
 192 #else
 193     p_vout->pf_render = NULL;
 194 #endif
 195     p_vout->pf_display = DisplayVideo;
 196     p_vout->pf_control = Control;
 197
 198     /* Allocate structure */
 199     p_vout->p_sys = malloc( sizeof( vout_sys_t ) );
 200     if( p_vout->p_sys == NULL )
 201         return VLC_ENOMEM;
 202
 203     /* key and mouse event handling */
 204     p_vout->p_sys->i_vout_event = var_CreateGetInteger( p_vout, "vout-event" );
 205
 206     /* Open display, using the "display" config variable or the DISPLAY
 207      * environment variable */
 208     psz_display = config_GetPsz( p_vout, MODULE_STRING "-display" );
 209
 210     p_vout->p_sys->p_display = XOpenDisplay( psz_display );
 211
 212     if( p_vout->p_sys->p_display == NULL )                         /* error */
 213     {
 214         msg_Err( p_vout, "cannot open display %s",
 215                          XDisplayName( psz_display ) );
 216         free( p_vout->p_sys );
 217         free( psz_display );
 218         return VLC_EGENERIC;
 219     }
 220     free( psz_display );
 221
 222     /* Replace error handler so we can intercept some non-fatal errors */
 223     XSetErrorHandler( X11ErrorHandler );
 224
 225     /* Get a screen ID matching the XOpenDisplay return value */
 226     p_vout->p_sys->i_screen = DefaultScreen( p_vout->p_sys->p_display );
 227
 228 #if defined(MODULE_NAME_IS_xvideo) || defined(MODULE_NAME_IS_xvmc)
 229     psz_chroma = config_GetPsz( p_vout, "xvideo-chroma" );
 230     if( psz_chroma )
 231     {
 232         if( strlen( psz_chroma ) >= 4 )
 233         {
 234             /* Do not use direct assignment because we are not sure of the
 235              * alignment. */
 236             memcpy(&i_chroma, psz_chroma, 4);
 237             b_chroma = 1;
 238         }
 239
 240         free( psz_chroma );
 241     }
 242
 243     if( b_chroma )
 244     {
 245         msg_Dbg( p_vout, "forcing chroma 0x%.8x (%4.4s)",
 246                  i_chroma, (char*)&i_chroma );
 247     }
 248     else
 249     {
 250         i_chroma = p_vout->render.i_chroma;
 251     }
 252
 253     /* Check that we have access to an XVideo port providing this chroma */
 254     p_vout->p_sys->i_xvport = XVideoGetPort( p_vout, VLC2X11_FOURCC(i_chroma),
 255                                              &p_vout->output );
 256     if( p_vout->p_sys->i_xvport < 0 )
 257     {
 258         /* If a specific chroma format was requested, then we don't try to
 259          * be cleverer than the user. He knew pretty well what he wanted. */
 260         if( b_chroma )
 261         {
 262             XCloseDisplay( p_vout->p_sys->p_display );
 263             free( p_vout->p_sys );
 264             return VLC_EGENERIC;
 265         }
 266
 267         /* It failed, but it's not completely lost ! We try to open an
 268          * XVideo port for an YUY2 picture. We'll need to do an YUV
 269          * conversion, but at least it has got scaling. */
 270         p_vout->p_sys->i_xvport =
 271                         XVideoGetPort( p_vout, X11_FOURCC('Y','U','Y','2'),
 272                                                &p_vout->output );
 273         if( p_vout->p_sys->i_xvport < 0 )
 274         {
 275             /* It failed, but it's not completely lost ! We try to open an
 276              * XVideo port for a simple 16bpp RGB picture. We'll need to do
 277              * an YUV conversion, but at least it has got scaling. */
 278             p_vout->p_sys->i_xvport =
 279                             XVideoGetPort( p_vout, X11_FOURCC('R','V','1','6'),
 280                                                    &p_vout->output );
 281             if( p_vout->p_sys->i_xvport < 0 )
 282             {
 283                 XCloseDisplay( p_vout->p_sys->p_display );
 284                 free( p_vout->p_sys );
 285                 return VLC_EGENERIC;
 286             }
 287         }
 288     }
 289     p_vout->output.i_chroma = vlc_fourcc_GetCodec( VIDEO_ES, X112VLC_FOURCC(p_vout->output.i_chroma) );
 290 #elif defined(MODULE_NAME_IS_glx)
 291     {
 292         int i_opcode, i_evt, i_err = 0;
 293         int i_maj, i_min = 0;
 294
 295         /* Check for GLX extension */
 296         if( !XQueryExtension( p_vout->p_sys->p_display, "GLX",
 297                               &i_opcode, &i_evt, &i_err ) )
 298         {
 299             msg_Err( p_this, "GLX extension not supported" );
 300             XCloseDisplay( p_vout->p_sys->p_display );
 301             free( p_vout->p_sys );
 302             return VLC_EGENERIC;
 303         }
 304         if( !glXQueryExtension( p_vout->p_sys->p_display, &i_err, &i_evt ) )
 305         {
 306             msg_Err( p_this, "glXQueryExtension failed" );
 307             XCloseDisplay( p_vout->p_sys->p_display );
 308             free( p_vout->p_sys );
 309             return VLC_EGENERIC;
 310         }
 311
 312         /* Check GLX version */
 313         if (!glXQueryVersion( p_vout->p_sys->p_display, &i_maj, &i_min ) )
 314         {
 315             msg_Err( p_this, "glXQueryVersion failed" );
 316             XCloseDisplay( p_vout->p_sys->p_display );
 317             free( p_vout->p_sys );
 318             return VLC_EGENERIC;
 319         }
 320         if( i_maj <= 0 || ((i_maj == 1) && (i_min < 3)) )
 321         {
 322             p_vout->p_sys->b_glx13 = false;
 323             msg_Dbg( p_this, "using GLX 1.2 API" );
 324         }
 325         else
 326         {
 327             p_vout->p_sys->b_glx13 = true;
 328             msg_Dbg( p_this, "using GLX 1.3 API" );
 329         }
 330     }
 331 #endif
 332
 333     /* Create blank cursor (for mouse cursor autohiding) */
 334     p_vout->p_sys->i_time_mouse_last_moved = mdate();
 335     p_vout->p_sys->i_mouse_hide_timeout =
 336         var_GetInteger(p_vout, "mouse-hide-timeout") * 1000;
 337     p_vout->p_sys->b_mouse_pointer_visible = 1;
 338     CreateCursor( p_vout );
 339
 340     /* Set main window's size */
 341     p_vout->p_sys->original_window.i_width = p_vout->i_window_width;
 342     p_vout->p_sys->original_window.i_height = p_vout->i_window_height;
 343     var_Create( p_vout, "video-title", VLC_VAR_STRING | VLC_VAR_DOINHERIT );
 344     /* Spawn base window - this window will include the video output window,
 345      * but also command buttons, subtitles and other indicators */
 346     if( CreateWindow( p_vout, &p_vout->p_sys->original_window ) )
 347     {
 348         msg_Err( p_vout, "cannot create X11 window" );
 349         DestroyCursor( p_vout );
 350         XCloseDisplay( p_vout->p_sys->p_display );
 351         free( p_vout->p_sys );
 352         return VLC_EGENERIC;
 353     }
 354
 355     /* Open and initialize device. */
 356     if( InitDisplay( p_vout ) )
 357     {
 358         msg_Err( p_vout, "cannot initialize X11 display" );
 359         DestroyCursor( p_vout );
 360         DestroyWindow( p_vout, &p_vout->p_sys->original_window );
 361         XCloseDisplay( p_vout->p_sys->p_display );
 362         free( p_vout->p_sys );
 363         return VLC_EGENERIC;
 364     }
 365
 366     /* Disable screen saver */
 367     DisableXScreenSaver( p_vout );
 368
 369     /* Misc init */
 370     p_vout->p_sys->b_altfullscreen = 0;
 371     p_vout->p_sys->i_time_button_last_pressed = 0;
 372
 373     TestNetWMSupport( p_vout );
 374
 375 #ifdef MODULE_NAME_IS_xvmc
 376     p_vout->p_sys->p_last_subtitle_save = NULL;
 377     psz_value = config_GetPsz( p_vout, "xvmc-deinterlace-mode" );
 378
 379     /* Look what method was requested */
 380     //var_Create( p_vout, "xvmc-deinterlace-mode", VLC_VAR_STRING );
 381     //var_Change( p_vout, "xvmc-deinterlace-mode", VLC_VAR_INHERITVALUE, &val, NULL );
 382     if( psz_value )
 383     {
 384         if( (strcmp(psz_value, "bob") == 0) ||
 385             (strcmp(psz_value, "blend") == 0) )
 386            p_vout->p_sys->xvmc_deinterlace_method = 2;
 387         else if (strcmp(psz_value, "discard") == 0)
 388            p_vout->p_sys->xvmc_deinterlace_method = 1;
 389         else
 390            p_vout->p_sys->xvmc_deinterlace_method = 0;
 391         free(psz_value );
 392     }
 393     else
 394         p_vout->p_sys->xvmc_deinterlace_method = 0;
 395
 396     /* Look what method was requested */
 397     //var_Create( p_vout, "xvmc-crop-style", VLC_VAR_STRING );
 398     //var_Change( p_vout, "xvmc-crop-style", VLC_VAR_INHERITVALUE, &val, NULL );
 399     psz_value = config_GetPsz( p_vout, "xvmc-crop-style" );
 400
 401     if( psz_value )
 402     {
 403         if( strncmp( psz_value, "eq", 2 ) == 0 )
 404            p_vout->p_sys->xvmc_crop_style = 1;
 405         else if( strncmp( psz_value, "4-16", 4 ) == 0)
 406            p_vout->p_sys->xvmc_crop_style = 2;
 407         else if( strncmp( psz_value, "16-4", 4 ) == 0)
 408            p_vout->p_sys->xvmc_crop_style = 3;
 409         else
 410            p_vout->p_sys->xvmc_crop_style = 0;
 411         free( psz_value );
 412     }
 413     else
 414         p_vout->p_sys->xvmc_crop_style = 0;
 415
 416     msg_Dbg(p_vout, "Deinterlace = %d", p_vout->p_sys->xvmc_deinterlace_method);
 417     msg_Dbg(p_vout, "Crop = %d", p_vout->p_sys->xvmc_crop_style);
 418
 419     if( checkXvMCCap( p_vout ) == VLC_EGENERIC )
 420     {
 421         msg_Err( p_vout, "no XVMC capability found" );
 422         Deactivate( p_this );
 423         return VLC_EGENERIC;
 424     }
 425     subpicture_t sub_pic;
 426     sub_pic.p_sys = NULL;
 427     p_vout->p_sys->last_date = 0;
 428 #endif
 429
 430 #ifdef HAVE_XSP
 431     p_vout->p_sys->i_hw_scale = 1;
 432 #endif
 433
 434 #ifdef HAVE_OSSO
 435     p_vout->p_sys->i_backlight_on_counter = i_backlight_on_interval;
 436     p_vout->p_sys->p_octx = osso_initialize( "vlc", VERSION, 0, NULL );
 437     if ( p_vout->p_sys->p_octx == NULL ) {
 438         msg_Err( p_vout, "Could not get osso context" );
 439     } else {
 440         msg_Dbg( p_vout, "Initialized osso context" );
 441     }
 442 #endif
 443
 444     /* Variable to indicate if the window should be on top of others */
 445     /* Trigger a callback right now */
 446     var_Get( p_vout, "video-on-top", &val );
 447     var_Set( p_vout, "video-on-top", val );
 448
 449     return VLC_SUCCESS;
 450 }
 451
 452 /*****************************************************************************
 453  * Deactivate: destroy X11 video thread output method
 454  *****************************************************************************
 455  * Terminate an output method created by Open
 456  *****************************************************************************/
 457 void Deactivate ( vlc_object_t *p_this )
 458 {
 459     vout_thread_t *p_vout = (vout_thread_t *)p_this;
 460
 461     /* If the fullscreen window is still open, close it */
 462     if( p_vout->b_fullscreen )
 463     {
 464         ToggleFullScreen( p_vout );
 465     }
 466
 467     /* Restore cursor if it was blanked */
 468     if( !p_vout->p_sys->b_mouse_pointer_visible )
 469     {
 470         ToggleCursor( p_vout );
 471     }
 472
 473 #ifdef MODULE_NAME_IS_x11
 474     /* Destroy colormap */
 475     if( XDefaultDepth(p_vout->p_sys->p_display, p_vout->p_sys->i_screen) == 8 )
 476     {
 477         XFreeColormap( p_vout->p_sys->p_display, p_vout->p_sys->colormap );
 478     }
 479 #elif defined(MODULE_NAME_IS_xvideo)
 480     XVideoReleasePort( p_vout, p_vout->p_sys->i_xvport );
 481 #elif defined(MODULE_NAME_IS_xvmc)
 482     if( p_vout->p_sys->xvmc_cap )
 483     {
 484         xvmc_context_writer_lock( &p_vout->p_sys->xvmc_lock );
 485         xxmc_dispose_context( p_vout );
 486         if( p_vout->p_sys->old_subpic )
 487         {
 488             xxmc_xvmc_free_subpicture( p_vout, p_vout->p_sys->old_subpic );
 489             p_vout->p_sys->old_subpic = NULL;
 490         }
 491         if( p_vout->p_sys->new_subpic )
 492         {
 493             xxmc_xvmc_free_subpicture( p_vout, p_vout->p_sys->new_subpic );
 494             p_vout->p_sys->new_subpic = NULL;
 495         }
 496         free( p_vout->p_sys->xvmc_cap );
 497         xvmc_context_writer_unlock( &p_vout->p_sys->xvmc_lock );
 498     }
 499 #endif
 500
 501 #ifdef HAVE_XSP
 502     DisablePixelDoubling(p_vout);
 503 #endif
 504
 505     DestroyCursor( p_vout );
 506     EnableXScreenSaver( p_vout );
 507     DestroyWindow( p_vout, &p_vout->p_sys->original_window );
 508     XCloseDisplay( p_vout->p_sys->p_display );
 509
 510     /* Destroy structure */
 511 #ifdef MODULE_NAME_IS_xvmc
 512     free_context_lock( &p_vout->p_sys->xvmc_lock );
 513 #endif
 514
 515 #ifdef HAVE_OSSO
 516     if ( p_vout->p_sys->p_octx != NULL ) {
 517         msg_Dbg( p_vout, "Deinitializing osso context" );
 518         osso_deinitialize( p_vout->p_sys->p_octx );
 519     }
 520 #endif
 521
 522     free( p_vout->p_sys );
 523 }
 524
 525 #ifdef MODULE_NAME_IS_xvmc
 526
 527 #define XINE_IMGFMT_YV12 (('2'<<24)|('1'<<16)|('V'<<8)|'Y')
 528
 529 /* called xlocked */
 530 static int xvmc_check_yv12( Display *display, XvPortID port )
 531 {
 532     XvImageFormatValues *formatValues;
 533     int                  formats;
 534     int                  i;
 535
 536     formatValues = XvListImageFormats( display, port, &formats );
 537
 538     for( i = 0; i < formats; i++ )
 539     {
 540         if( ( formatValues[i].id == XINE_IMGFMT_YV12 ) &&
 541             ( !( strncmp( formatValues[i].guid, "YV12", 4 ) ) ) )
 542         {
 543             XFree (formatValues);
 544             return 0;
 545         }
 546     }
 547
 548     XFree (formatValues);
 549     return 1;
 550 }
 551
 552 static void xvmc_sync_surface( vout_thread_t *p_vout, XvMCSurface * srf )
 553 {
 554     XvMCSyncSurface( p_vout->p_sys->p_display, srf );
 555 }
 556
 557 static void xvmc_update_XV_DOUBLE_BUFFER( vout_thread_t *p_vout )
 558 {
 559     Atom         atom;
 560     int          xv_double_buffer;
 561
 562     xv_double_buffer = 1;
 563
 564     XLockDisplay( p_vout->p_sys->p_display );
 565     atom = XInternAtom( p_vout->p_sys->p_display, "XV_DOUBLE_BUFFER", False );
 566 #if 0
 567     XvSetPortAttribute (p_vout->p_sys->p_display, p_vout->p_sys->i_xvport, atom, xv_double_buffer);
 568 #endif
 569     XvMCSetAttribute( p_vout->p_sys->p_display, &p_vout->p_sys->context, atom, xv_double_buffer );
 570     XUnlockDisplay( p_vout->p_sys->p_display );
 571
 572     //xprintf(this->xine, XINE_VERBOSITY_DEBUG,
 573     //    "video_out_xxmc: double buffering mode = %d\n", xv_double_buffer);
 574 }
 575
 576 static void RenderVideo( vout_thread_t *p_vout, picture_t *p_pic )
 577 {
 578     vlc_xxmc_t *xxmc = NULL;
 579
 580     xvmc_context_reader_lock( &p_vout->p_sys->xvmc_lock );
 581
 582     xxmc = &p_pic->p_sys->xxmc_data;
 583     if( (!xxmc->decoded ||
 584         !xxmc_xvmc_surface_valid( p_vout, p_pic->p_sys->xvmc_surf )) )
 585     {
 586         xvmc_context_reader_unlock( &p_vout->p_sys->xvmc_lock );
 587         return;
 588     }
 589
 590 #if 0
 591     vlc_mutex_lock( &p_vout->lastsubtitle_lock );
 592     if (p_vout->p_sys->p_last_subtitle != NULL)
 593     {
 594         if( p_vout->p_sys->p_last_subtitle_save != p_vout->p_sys->p_last_subtitle )
 595         {
 596             p_vout->p_sys->new_subpic =
 597                 xxmc_xvmc_alloc_subpicture( p_vout, &p_vout->p_sys->context,
 598                     p_vout->p_sys->xvmc_width,
 599                     p_vout->p_sys->xvmc_height,
 600                     p_vout->p_sys->xvmc_cap[p_vout->p_sys->xvmc_cur_cap].subPicType.id );
 601
 602             if (p_vout->p_sys->new_subpic)
 603             {
 604                 XVMCLOCKDISPLAY( p_vout->p_sys->p_display );
 605                 XvMCClearSubpicture( p_vout->p_sys->p_display,
 606                         p_vout->p_sys->new_subpic,
 607                         0,
 608                         0,
 609                         p_vout->p_sys->xvmc_width,
 610                         p_vout->p_sys->xvmc_height,
 611                         0x00 );
 612                 XVMCUNLOCKDISPLAY( p_vout->p_sys->p_display );
 613                 clear_xx44_palette( &p_vout->p_sys->palette );
 614
 615                 if( sub_pic.p_sys == NULL )
 616                 {
 617                     sub_pic.p_sys = malloc( sizeof( picture_sys_t ) );
 618                     if( sub_pic.p_sys != NULL )
 619                     {
 620                         sub_pic.p_sys->p_vout = p_vout;
 621                         sub_pic.p_sys->xvmc_surf = NULL;
 622                         sub_pic.p_sys->p_image = p_vout->p_sys->subImage;
 623                     }
 624                 }
 625                 sub_pic.p_sys->p_image = p_vout->p_sys->subImage;
 626                 sub_pic.p->p_pixels = sub_pic.p_sys->p_image->data;
 627                 sub_pic.p->i_pitch = p_vout->output.i_width;
 628
 629                 memset( p_vout->p_sys->subImage->data, 0,
 630                         (p_vout->p_sys->subImage->width * p_vout->p_sys->subImage->height) );
 631
 632                 if (p_vout->p_last_subtitle != NULL)
 633                 {
 634                     blend_xx44( p_vout->p_sys->subImage->data,
 635                                 p_vout->p_last_subtitle,
 636                                 p_vout->p_sys->subImage->width,
 637                                 p_vout->p_sys->subImage->height,
 638                                 p_vout->p_sys->subImage->width,
 639                                 &p_vout->p_sys->palette,
 640                                 (p_vout->p_sys->subImage->id == FOURCC_IA44) );
 641                 }
 642
 643                 XVMCLOCKDISPLAY( p_vout->p_sys->p_display );
 644                 XvMCCompositeSubpicture( p_vout->p_sys->p_display,
 645                                          p_vout->p_sys->new_subpic,
 646                                          p_vout->p_sys->subImage,
 647                                          0, /* overlay->x */
 648                                          0, /* overlay->y */
 649                                          p_vout->output.i_width, /* overlay->width, */
 650                                          p_vout->output.i_height, /* overlay->height */
 651                                          0, /* overlay->x */
 652                                          0 ); /*overlay->y */
 653                 XVMCUNLOCKDISPLAY( p_vout->p_sys->p_display );
 654                 if (p_vout->p_sys->old_subpic)
 655                 {
 656                     xxmc_xvmc_free_subpicture( p_vout,
 657                                                p_vout->p_sys->old_subpic);
 658                     p_vout->p_sys->old_subpic = NULL;
 659                 }
 660                 if (p_vout->p_sys->new_subpic)
 661                 {
 662                     p_vout->p_sys->old_subpic = p_vout->p_sys->new_subpic;
 663                     p_vout->p_sys->new_subpic = NULL;
 664                     xx44_to_xvmc_palette( &p_vout->p_sys->palette,
 665                             p_vout->p_sys->xvmc_palette,
 666                             0,
 667                             p_vout->p_sys->old_subpic->num_palette_entries,
 668                             p_vout->p_sys->old_subpic->entry_bytes,
 669                             p_vout->p_sys->old_subpic->component_order );
 670                     XVMCLOCKDISPLAY( p_vout->p_sys->p_display );
 671                     XvMCSetSubpicturePalette( p_vout->p_sys->p_display,
 672                                               p_vout->p_sys->old_subpic,
 673                                               p_vout->p_sys->xvmc_palette );
 674                     XvMCFlushSubpicture( p_vout->p_sys->p_display,
 675                                          p_vout->p_sys->old_subpic);
 676                     XvMCSyncSubpicture( p_vout->p_sys->p_display,
 677                                         p_vout->p_sys->old_subpic );
 678                     XVMCUNLOCKDISPLAY( p_vout->p_sys->p_display );
 679                 }
 680
 681                 XVMCLOCKDISPLAY( p_vout->p_sys->p_display);
 682                 if (p_vout->p_sys->xvmc_backend_subpic )
 683                 {
 684                     XvMCBlendSubpicture( p_vout->p_sys->p_display,
 685                                          p_pic->p_sys->xvmc_surf,
 686                                          p_vout->p_sys->old_subpic,
 687                                          0,
 688                                          0,
 689                                          p_vout->p_sys->xvmc_width,
 690                                          p_vout->p_sys->xvmc_height,
 691                                          0,
 692                                          0,
 693                                          p_vout->p_sys->xvmc_width,
 694                                          p_vout->p_sys->xvmc_height );
 695                 }
 696                 else
 697                 {
 698                     XvMCBlendSubpicture2( p_vout->p_sys->p_display,
 699                                           p_pic->p_sys->xvmc_surf,
 700                                           p_pic->p_sys->xvmc_surf,
 701                                           p_vout->p_sys->old_subpic,
 702                                           0,
 703                                           0,
 704                                           p_vout->p_sys->xvmc_width,
 705                                           p_vout->p_sys->xvmc_height,
 706                                           0,
 707                                           0,
 708                                           p_vout->p_sys->xvmc_width,
 709                                           p_vout->p_sys->xvmc_height );
 710                }
 711                XVMCUNLOCKDISPLAY(p_vout->p_sys->p_display);
 712             }
 713         }
 714         else
 715         {
 716             XVMCLOCKDISPLAY( p_vout->p_sys->p_display );
 717             if( p_vout->p_sys->xvmc_backend_subpic )
 718             {
 719                 XvMCBlendSubpicture( p_vout->p_sys->p_display,
 720                                      p_pic->p_sys->xvmc_surf,
 721                                      p_vout->p_sys->old_subpic,
 722                                      0, 0,
 723                                      p_vout->p_sys->xvmc_width,
 724                                      p_vout->p_sys->xvmc_height,
 725                                      0, 0,
 726                                      p_vout->p_sys->xvmc_width,
 727                                      p_vout->p_sys->xvmc_height );
 728             }
 729             else
 730             {
 731                 XvMCBlendSubpicture2( p_vout->p_sys->p_display,
 732                                       p_pic->p_sys->xvmc_surf,
 733                                       p_pic->p_sys->xvmc_surf,
 734                                       p_vout->p_sys->old_subpic,
 735                                       0, 0,
 736                                       p_vout->p_sys->xvmc_width,
 737                                       p_vout->p_sys->xvmc_height,
 738                                       0, 0,
 739                                       p_vout->p_sys->xvmc_width,
 740                                       p_vout->p_sys->xvmc_height );
 741             }
 742             XVMCUNLOCKDISPLAY( p_vout->p_sys->p_display );
 743         }
 744     }
 745     p_vout->p_sys->p_last_subtitle_save = p_vout->p_last_subtitle;
 746
 747     vlc_mutex_unlock( &p_vout->lastsubtitle_lock );
 748 #endif
 749     xvmc_context_reader_unlock( &p_vout->p_sys->xvmc_lock );
 750 }
 751 #endif
 752
 753 #ifdef HAVE_XSP
 754 /*****************************************************************************
 755  * EnablePixelDoubling: Enables pixel doubling
 756  *****************************************************************************
 757  * Checks if the double size image fits in current window, and enables pixel
 758  * doubling accordingly. The i_hw_scale is the integer scaling factor.
 759  *****************************************************************************/
 760 static void EnablePixelDoubling( vout_thread_t *p_vout )
 761 {
 762     int i_hor_scale = ( p_vout->p_sys->p_win->i_width ) / p_vout->render.i_width;
 763     int i_vert_scale =  ( p_vout->p_sys->p_win->i_height ) / p_vout->render.i_height;
 764     if ( ( i_hor_scale > 1 ) && ( i_vert_scale > 1 ) ) {
 765         p_vout->p_sys->i_hw_scale = 2;
 766         msg_Dbg( p_vout, "Enabling pixel doubling, scaling factor %d", p_vout->p_sys->i_hw_scale );
 767         XSPSetPixelDoubling( p_vout->p_sys->p_display, 0, 1 );
 768     }
 769 }
 770
 771 /*****************************************************************************
 772  * DisablePixelDoubling: Disables pixel doubling
 773  *****************************************************************************
 774  * The scaling factor i_hw_scale is reset to the no-scaling value 1.
 775  *****************************************************************************/
 776 static void DisablePixelDoubling( vout_thread_t *p_vout )
 777 {
 778     if ( p_vout->p_sys->i_hw_scale > 1 ) {
 779         msg_Dbg( p_vout, "Disabling pixel doubling" );
 780         XSPSetPixelDoubling( p_vout->p_sys->p_display, 0, 0 );
 781         p_vout->p_sys->i_hw_scale = 1;
 782     }
 783 }
 784 #endif
 785
 786
 787
 788 /*****************************************************************************
 789  * InitVideo: initialize X11 video thread output method
 790  *****************************************************************************
 791  * This function create the XImages needed by the output thread. It is called
 792  * at the beginning of the thread, but also each time the window is resized.
 793  *****************************************************************************/
 794 static int InitVideo( vout_thread_t *p_vout )
 795 {
 796     unsigned int i_index = 0;
 797     picture_t *p_pic;
 798
 799     I_OUTPUTPICTURES = 0;
 800
 801 #if defined(MODULE_NAME_IS_xvideo) || defined(MODULE_NAME_IS_xvmc)
 802     /* Initialize the output structure; we already found an XVideo port,
 803      * and the corresponding chroma we will be using. Since we can
 804      * arbitrary scale, stick to the coordinates and aspect. */
 805     p_vout->output.i_width  = p_vout->render.i_width;
 806     p_vout->output.i_height = p_vout->render.i_height;
 807     p_vout->output.i_aspect = p_vout->render.i_aspect;
 808
 809     p_vout->fmt_out = p_vout->fmt_in;
 810     p_vout->fmt_out.i_chroma = p_vout->output.i_chroma;
 811
 812 #if XvVersion < 2 || ( XvVersion == 2 && XvRevision < 2 )
 813     switch( p_vout->output.i_chroma )
 814     {
 815         case VLC_CODEC_RGB16:
 816 #if defined( WORDS_BIGENDIAN )
 817             p_vout->output.i_rmask = 0xf800;
 818             p_vout->output.i_gmask = 0x07e0;
 819             p_vout->output.i_bmask = 0x001f;
 820 #else
 821             p_vout->output.i_rmask = 0x001f;
 822             p_vout->output.i_gmask = 0x07e0;
 823             p_vout->output.i_bmask = 0xf800;
 824 #endif
 825             break;
 826         case VLC_CODEC_RGB15:
 827 #if defined( WORDS_BIGENDIAN )
 828             p_vout->output.i_rmask = 0x7c00;
 829             p_vout->output.i_gmask = 0x03e0;
 830             p_vout->output.i_bmask = 0x001f;
 831 #else
 832             p_vout->output.i_rmask = 0x001f;
 833             p_vout->output.i_gmask = 0x03e0;
 834             p_vout->output.i_bmask = 0x7c00;
 835 #endif
 836             break;
 837     }
 838 #endif
 839
 840 #elif defined(MODULE_NAME_IS_x11)
 841     /* Initialize the output structure: RGB with square pixels, whatever
 842      * the input format is, since it's the only format we know */
 843     switch( p_vout->p_sys->i_screen_depth )
 844     {
 845         case 8: /* FIXME: set the palette */
 846             p_vout->output.i_chroma = VLC_CODEC_RGB8; break;
 847         case 15:
 848             p_vout->output.i_chroma = VLC_CODEC_RGB15; break;
 849         case 16:
 850             p_vout->output.i_chroma = VLC_CODEC_RGB16; break;
 851         case 24:
 852         case 32:
 853             p_vout->output.i_chroma = VLC_CODEC_RGB32; break;
 854         default:
 855             msg_Err( p_vout, "unknown screen depth %i",
 856                      p_vout->p_sys->i_screen_depth );
 857             return VLC_SUCCESS;
 858     }
 859
 860 #ifdef HAVE_XSP
 861     vout_PlacePicture( p_vout, p_vout->p_sys->p_win->i_width  / p_vout->p_sys->i_hw_scale,
 862                        p_vout->p_sys->p_win->i_height  / p_vout->p_sys->i_hw_scale,
 863                        &i_index, &i_index,
 864                        &p_vout->fmt_out.i_visible_width,
 865                        &p_vout->fmt_out.i_visible_height );
 866 #else
 867     vout_PlacePicture( p_vout, p_vout->p_sys->p_win->i_width,
 868                        p_vout->p_sys->p_win->i_height,
 869                        &i_index, &i_index,
 870                        &p_vout->fmt_out.i_visible_width,
 871                        &p_vout->fmt_out.i_visible_height );
 872 #endif
 873
 874     p_vout->fmt_out.i_chroma = p_vout->output.i_chroma;
 875
 876     p_vout->output.i_width = p_vout->fmt_out.i_width =
 877         p_vout->fmt_out.i_visible_width * p_vout->fmt_in.i_width /
 878         p_vout->fmt_in.i_visible_width;
 879     p_vout->output.i_height = p_vout->fmt_out.i_height =
 880         p_vout->fmt_out.i_visible_height * p_vout->fmt_in.i_height /
 881         p_vout->fmt_in.i_visible_height;
 882     p_vout->fmt_out.i_x_offset =
 883         p_vout->fmt_out.i_visible_width * p_vout->fmt_in.i_x_offset /
 884         p_vout->fmt_in.i_visible_width;
 885     p_vout->fmt_out.i_y_offset =
 886         p_vout->fmt_out.i_visible_height * p_vout->fmt_in.i_y_offset /
 887         p_vout->fmt_in.i_visible_height;
 888
 889     p_vout->fmt_out.i_sar_num = p_vout->fmt_out.i_sar_den = 1;
 890     p_vout->output.i_aspect = p_vout->fmt_out.i_aspect =
 891         p_vout->fmt_out.i_width * VOUT_ASPECT_FACTOR /p_vout->fmt_out.i_height;
 892
 893     msg_Dbg( p_vout, "x11 image size %ix%i (%i,%i,%ix%i)",
 894              p_vout->fmt_out.i_width, p_vout->fmt_out.i_height,
 895              p_vout->fmt_out.i_x_offset, p_vout->fmt_out.i_y_offset,
 896              p_vout->fmt_out.i_visible_width,
 897              p_vout->fmt_out.i_visible_height );
 898 #endif
 899
 900     /* Try to initialize up to MAX_DIRECTBUFFERS direct buffers */
 901     while( I_OUTPUTPICTURES < MAX_DIRECTBUFFERS )
 902     {
 903         p_pic = NULL;
 904
 905         /* Find an empty picture slot */
 906         for( i_index = 0 ; i_index < VOUT_MAX_PICTURES ; i_index++ )
 907         {
 908           if( p_vout->p_picture[ i_index ].i_status == FREE_PICTURE )
 909             {
 910                 p_pic = p_vout->p_picture + i_index;
 911                 break;
 912             }
 913         }
 914
 915         /* Allocate the picture */
 916         if( p_pic == NULL || NewPicture( p_vout, p_pic ) )
 917         {
 918             break;
 919         }
 920
 921         p_pic->i_status = DESTROYED_PICTURE;
 922         p_pic->i_type   = DIRECT_PICTURE;
 923
 924         PP_OUTPUTPICTURE[ I_OUTPUTPICTURES ] = p_pic;
 925
 926         I_OUTPUTPICTURES++;
 927     }
 928
 929     if( p_vout->output.i_chroma == VLC_CODEC_YV12 )
 930     {
 931         /* U and V inverted compared to I420
 932          * Fixme: this should be handled by the vout core */
 933         p_vout->output.i_chroma = VLC_CODEC_I420;
 934         p_vout->fmt_out.i_chroma = VLC_CODEC_I420;
 935     }
 936
 937     return VLC_SUCCESS;
 938 }
 939
 940 /*****************************************************************************
 941  * DisplayVideo: displays previously rendered output
 942  *****************************************************************************
 943  * This function sends the currently rendered image to X11 server.
 944  * (The Xv extension takes care of "double-buffering".)
 945  *****************************************************************************/
 946 static void DisplayVideo( vout_thread_t *p_vout, picture_t *p_pic )
 947 {
 948     unsigned int i_width, i_height, i_x, i_y;
 949
 950     vout_PlacePicture( p_vout, p_vout->p_sys->p_win->i_width,
 951                        p_vout->p_sys->p_win->i_height,
 952                        &i_x, &i_y, &i_width, &i_height );
 953
 954 #ifdef MODULE_NAME_IS_xvmc
 955     xvmc_context_reader_lock( &p_vout->p_sys->xvmc_lock );
 956
 957     vlc_xxmc_t *xxmc = &p_pic->p_sys->xxmc_data;
 958     if( !xxmc->decoded ||
 959         !xxmc_xvmc_surface_valid( p_vout, p_pic->p_sys->xvmc_surf ) )
 960     {
 961       msg_Dbg( p_vout, "DisplayVideo decoded=%d\tsurfacevalid=%d",
 962                xxmc->decoded,
 963                xxmc_xvmc_surface_valid( p_vout, p_pic->p_sys->xvmc_surf ) );
 964       xvmc_context_reader_unlock( &p_vout->p_sys->xvmc_lock );
 965       return;
 966     }
 967
 968     int src_width = p_vout->output.i_width;
 969     int src_height = p_vout->output.i_height;
 970     int src_x, src_y;
 971
 972     if( p_vout->p_sys->xvmc_crop_style == 1 )
 973     {
 974         src_x = 20;
 975         src_y = 20;
 976         src_width -= 40;
 977         src_height -= 40;
 978     }
 979     else if( p_vout->p_sys->xvmc_crop_style == 2 )
 980     {
 981         src_x = 20;
 982         src_y = 40;
 983         src_width -= 40;
 984         src_height -= 80;
 985     }
 986     else if( p_vout->p_sys->xvmc_crop_style == 3 )
 987     {
 988         src_x = 40;
 989         src_y = 20;
 990         src_width -= 80;
 991         src_height -= 40;
 992     }
 993     else
 994     {
 995         src_x = 0;
 996         src_y = 0;
 997     }
 998
 999     int first_field;
1000     if( p_vout->p_sys->xvmc_deinterlace_method > 0 )
1001     {   /* BOB DEINTERLACE */
1002         if( (p_pic->p_sys->nb_display == 0) ||
1003             (p_vout->p_sys->xvmc_deinterlace_method == 1) )
1004         {
1005             first_field = (p_pic->b_top_field_first) ?
1006                                 XVMC_BOTTOM_FIELD : XVMC_TOP_FIELD;
1007         }
1008         else
1009         {
1010             first_field = (p_pic->b_top_field_first) ?
1011                                 XVMC_TOP_FIELD : XVMC_BOTTOM_FIELD;
1012         }
1013     }
1014     else
1015     {
1016         first_field = XVMC_FRAME_PICTURE;
1017      }
1018
1019     XVMCLOCKDISPLAY( p_vout->p_sys->p_display );
1020     XvMCFlushSurface( p_vout->p_sys->p_display, p_pic->p_sys->xvmc_surf );
1021     /* XvMCSyncSurface(p_vout->p_sys->p_display, p_picture->p_sys->xvmc_surf); */
1022     XvMCPutSurface( p_vout->p_sys->p_display,
1023                     p_pic->p_sys->xvmc_surf,
1024                     p_vout->p_sys->p_win->video_window,
1025                     src_x,
1026                     src_y,
1027                     src_width,
1028                     src_height,
1029                     0 /*dest_x*/,
1030                     0 /*dest_y*/,
1031                     i_width,
1032                     i_height,
1033                     first_field);
1034
1035     XVMCUNLOCKDISPLAY( p_vout->p_sys->p_display );
1036     if( p_vout->p_sys->xvmc_deinterlace_method == 2 )
1037     {   /* BOB DEINTERLACE */
1038         if( p_pic->p_sys->nb_display == 0 )/* && ((t2-t1) < 15000)) */
1039         {
1040             mtime_t last_date = p_pic->date;
1041
1042             vlc_mutex_lock( &p_vout->picture_lock );
1043             if( !p_vout->p_sys->last_date )
1044             {
1045                 p_pic->date += 20000;
1046             }
1047             else
1048             {
1049                 p_pic->date = ((3 * p_pic->date -
1050                                     p_vout->p_sys->last_date) / 2 );
1051             }
1052             p_vout->p_sys->last_date = last_date;
1053             p_pic->b_force = 1;
1054             p_pic->p_sys->nb_display = 1;
1055             vlc_mutex_unlock( &p_vout->picture_lock );
1056         }
1057         else
1058         {
1059             p_pic->p_sys->nb_display = 0;
1060             p_pic->b_force = 0;
1061         }
1062     }
1063     xvmc_context_reader_unlock( &p_vout->p_sys->xvmc_lock );
1064 #endif
1065
1066 #ifdef HAVE_SYS_SHM_H
1067     if( p_vout->p_sys->i_shm_opcode )
1068     {
1069         /* Display rendered image using shared memory extension */
1070 #if defined(MODULE_NAME_IS_xvideo) || defined(MODULE_NAME_IS_xvmc)
1071         XvShmPutImage( p_vout->p_sys->p_display, p_vout->p_sys->i_xvport,
1072                        p_vout->p_sys->p_win->video_window,
1073                        p_vout->p_sys->p_win->gc, p_pic->p_sys->p_image,
1074                        p_vout->fmt_out.i_x_offset,
1075                        p_vout->fmt_out.i_y_offset,
1076                        p_vout->fmt_out.i_visible_width,
1077                        p_vout->fmt_out.i_visible_height,
1078                        0 /*dest_x*/, 0 /*dest_y*/, i_width, i_height,
1079                        False /* Don't put True here or you'll waste your CPU */ );
1080 #else
1081         XShmPutImage( p_vout->p_sys->p_display,
1082                       p_vout->p_sys->p_win->video_window,
1083                       p_vout->p_sys->p_win->gc, p_pic->p_sys->p_image,
1084                       p_vout->fmt_out.i_x_offset,
1085                       p_vout->fmt_out.i_y_offset,
1086                       0 /*dest_x*/, 0 /*dest_y*/,
1087                       p_vout->fmt_out.i_visible_width,
1088                       p_vout->fmt_out.i_visible_height,
1089                       False /* Don't put True here ! */ );
1090 #endif
1091     }
1092     else
1093 #endif /* HAVE_SYS_SHM_H */
1094     {
1095         /* Use standard XPutImage -- this is gonna be slow ! */
1096 #if defined(MODULE_NAME_IS_xvideo) || defined(MODULE_NAME_IS_xvmc)
1097         XvPutImage( p_vout->p_sys->p_display, p_vout->p_sys->i_xvport,
1098                     p_vout->p_sys->p_win->video_window,
1099                     p_vout->p_sys->p_win->gc, p_pic->p_sys->p_image,
1100                     p_vout->fmt_out.i_x_offset,
1101                     p_vout->fmt_out.i_y_offset,
1102                     p_vout->fmt_out.i_visible_width,
1103                     p_vout->fmt_out.i_visible_height,
1104                     0 /*dest_x*/, 0 /*dest_y*/, i_width, i_height );
1105 #else
1106         XPutImage( p_vout->p_sys->p_display,
1107                    p_vout->p_sys->p_win->video_window,
1108                    p_vout->p_sys->p_win->gc, p_pic->p_sys->p_image,
1109                    p_vout->fmt_out.i_x_offset,
1110                    p_vout->fmt_out.i_y_offset,
1111                    0 /*dest_x*/, 0 /*dest_y*/,
1112                    p_vout->fmt_out.i_visible_width,
1113                    p_vout->fmt_out.i_visible_height );
1114 #endif
1115     }
1116
1117     /* Make sure the command is sent now - do NOT use XFlush !*/
1118     XSync( p_vout->p_sys->p_display, False );
1119 }
1120
1121 /*****************************************************************************
1122  * ManageVideo: handle X11 events
1123  *****************************************************************************
1124  * This function should be called regularly by video output thread. It manages
1125  * X11 events and allows window resizing. It returns a non null value on
1126  * error.
1127  *****************************************************************************/
1128 static int ManageVideo( vout_thread_t *p_vout )
1129 {
1130     XEvent      xevent;                                         /* X11 event */
1131     vlc_value_t val;
1132
1133 #ifdef MODULE_NAME_IS_xvmc
1134     xvmc_context_reader_lock( &p_vout->p_sys->xvmc_lock );
1135 #endif
1136
1137     /* Handle events from the owner window */
1138     if( p_vout->p_sys->p_win->owner_window )
1139     {
1140         while( XCheckWindowEvent( p_vout->p_sys->p_display,
1141                                 p_vout->p_sys->p_win->owner_window->handle.xid,
1142                                   StructureNotifyMask, &xevent ) == True )
1143         {
1144             /* ConfigureNotify event: prepare  */
1145             if( xevent.type == ConfigureNotify )
1146             {
1147                 /* Update dimensions */
1148                 XResizeWindow( p_vout->p_sys->p_display,
1149                                p_vout->p_sys->p_win->base_window,
1150                                xevent.xconfigure.width,
1151                                xevent.xconfigure.height );
1152             }
1153         }
1154     }
1155
1156     /* Handle X11 events: ConfigureNotify events are parsed to know if the
1157      * output window's size changed, MapNotify and UnmapNotify to know if the
1158      * window is mapped (and if the display is useful), and ClientMessages
1159      * to intercept window destruction requests */
1160
1161     while( XCheckWindowEvent( p_vout->p_sys->p_display,
1162                               p_vout->p_sys->p_win->base_window,
1163                               StructureNotifyMask | KeyPressMask |
1164                               ButtonPressMask | ButtonReleaseMask |
1165                               PointerMotionMask | Button1MotionMask , &xevent )
1166            == True )
1167     {
1168         /* ConfigureNotify event: prepare  */
1169         if( xevent.type == ConfigureNotify )
1170         {
1171             if( (unsigned int)xevent.xconfigure.width
1172                    != p_vout->p_sys->p_win->i_width
1173               || (unsigned int)xevent.xconfigure.height
1174                     != p_vout->p_sys->p_win->i_height )
1175             {
1176                 /* Update dimensions */
1177                 p_vout->i_changes |= VOUT_SIZE_CHANGE;
1178                 p_vout->p_sys->p_win->i_width = xevent.xconfigure.width;
1179                 p_vout->p_sys->p_win->i_height = xevent.xconfigure.height;
1180             }
1181         }
1182         /* Keyboard event */
1183         else if( xevent.type == KeyPress )
1184         {
1185             unsigned int state = xevent.xkey.state;
1186             KeySym x_key_symbol;
1187             char i_key;                                   /* ISO Latin-1 key */
1188
1189             /* We may have keys like F1 trough F12, ESC ... */
1190             x_key_symbol = XKeycodeToKeysym( p_vout->p_sys->p_display,
1191                                              xevent.xkey.keycode, 0 );
1192             val.i_int = ConvertKey( (int)x_key_symbol );
1193
1194             xevent.xkey.state &= ~ShiftMask;
1195             xevent.xkey.state &= ~ControlMask;
1196             xevent.xkey.state &= ~Mod1Mask;
1197
1198             if( !val.i_int &&
1199                 XLookupString( &xevent.xkey, &i_key, 1, NULL, NULL ) )
1200             {
1201                 /* "Normal Keys"
1202                  * The reason why I use this instead of XK_0 is that
1203                  * with XLookupString, we don't have to care about
1204                  * keymaps. */
1205                 val.i_int = i_key;
1206             }
1207
1208             if( val.i_int )
1209             {
1210                 if( state & ShiftMask )
1211                 {
1212                     val.i_int |= KEY_MODIFIER_SHIFT;
1213                 }
1214                 if( state & ControlMask )
1215                 {
1216                     val.i_int |= KEY_MODIFIER_CTRL;
1217                 }
1218                 if( state & Mod1Mask )
1219                 {
1220                     val.i_int |= KEY_MODIFIER_ALT;
1221                 }
1222                 var_Set( p_vout->p_libvlc, "key-pressed", val );
1223             }
1224         }
1225         /* Mouse click */
1226         else if( xevent.type == ButtonPress )
1227         {
1228             switch( ((XButtonEvent *)&xevent)->button )
1229             {
1230                 case Button1:
1231                     var_Get( p_vout, "mouse-button-down", &val );
1232                     val.i_int |= 1;
1233                     var_Set( p_vout, "mouse-button-down", val );
1234
1235                     /* detect double-clicks */
1236                     if( ( ((XButtonEvent *)&xevent)->time -
1237                           p_vout->p_sys->i_time_button_last_pressed ) < 300 )
1238                     {
1239                         p_vout->i_changes |= VOUT_FULLSCREEN_CHANGE;
1240                     }
1241
1242                     p_vout->p_sys->i_time_button_last_pressed =
1243                         ((XButtonEvent *)&xevent)->time;
1244                     break;
1245                 case Button2:
1246                     var_Get( p_vout, "mouse-button-down", &val );
1247                     val.i_int |= 2;
1248                     var_Set( p_vout, "mouse-button-down", val );
1249                     break;
1250
1251                 case Button3:
1252                     var_Get( p_vout, "mouse-button-down", &val );
1253                     val.i_int |= 4;
1254                     var_Set( p_vout, "mouse-button-down", val );
1255                     break;
1256
1257                 case Button4:
1258                     var_Get( p_vout, "mouse-button-down", &val );
1259                     val.i_int |= 8;
1260                     var_Set( p_vout, "mouse-button-down", val );
1261                     break;
1262
1263                 case Button5:
1264                     var_Get( p_vout, "mouse-button-down", &val );
1265                     val.i_int |= 16;
1266                     var_Set( p_vout, "mouse-button-down", val );
1267                     break;
1268             }
1269         }
1270         /* Mouse release */
1271         else if( xevent.type == ButtonRelease )
1272         {
1273             switch( ((XButtonEvent *)&xevent)->button )
1274             {
1275                 case Button1:
1276                     {
1277                         var_Get( p_vout, "mouse-button-down", &val );
1278                         val.i_int &= ~1;
1279                         var_Set( p_vout, "mouse-button-down", val );
1280
1281                         var_SetBool( p_vout, "mouse-clicked", true );
1282                         var_SetBool( p_vout->p_libvlc, "intf-popupmenu", false );
1283                     }
1284                     break;
1285
1286                 case Button2:
1287                     {
1288                         var_Get( p_vout, "mouse-button-down", &val );
1289                         val.i_int &= ~2;
1290                         var_Set( p_vout, "mouse-button-down", val );
1291
1292                         var_Get( p_vout->p_libvlc, "intf-show", &val );
1293                         val.b_bool = !val.b_bool;
1294                         var_Set( p_vout->p_libvlc, "intf-show", val );
1295                     }
1296                     break;
1297
1298                 case Button3:
1299                     {
1300                         var_Get( p_vout, "mouse-button-down", &val );
1301                         val.i_int &= ~4;
1302                         var_Set( p_vout, "mouse-button-down", val );
1303
1304                         var_SetBool( p_vout->p_libvlc, "intf-popupmenu", true );
1305                     }
1306                     break;
1307
1308                 case Button4:
1309                     var_Get( p_vout, "mouse-button-down", &val );
1310                     val.i_int &= ~8;
1311                     var_Set( p_vout, "mouse-button-down", val );
1312                     break;
1313
1314                 case Button5:
1315                     var_Get( p_vout, "mouse-button-down", &val );
1316                     val.i_int &= ~16;
1317                     var_Set( p_vout, "mouse-button-down", val );
1318                     break;
1319
1320             }
1321         }
1322         /* Mouse move */
1323         else if( xevent.type == MotionNotify )
1324         {
1325             unsigned int i_width, i_height, i_x, i_y;
1326
1327             /* somewhat different use for vout_PlacePicture:
1328              * here the values are needed to give to mouse coordinates
1329              * in the original picture space */
1330             vout_PlacePicture( p_vout, p_vout->p_sys->p_win->i_width,
1331                                p_vout->p_sys->p_win->i_height,
1332                                &i_x, &i_y, &i_width, &i_height );
1333
1334             /* Compute the x coordinate and check if the value is
1335                in [0,p_vout->fmt_in.i_visible_width] */
1336             val.i_int = ( xevent.xmotion.x - i_x ) *
1337                 p_vout->fmt_in.i_visible_width / i_width +
1338                 p_vout->fmt_in.i_x_offset;
1339
1340             if( (int)(xevent.xmotion.x - i_x) < 0 )
1341                 val.i_int = 0;
1342             else if( (unsigned int)val.i_int > p_vout->fmt_in.i_visible_width )
1343                 val.i_int = p_vout->fmt_in.i_visible_width;
1344
1345             var_Set( p_vout, "mouse-x", val );
1346
1347             /* compute the y coordinate and check if the value is
1348                in [0,p_vout->fmt_in.i_visible_height] */
1349             val.i_int = ( xevent.xmotion.y - i_y ) *
1350                 p_vout->fmt_in.i_visible_height / i_height +
1351                 p_vout->fmt_in.i_y_offset;
1352
1353             if( (int)(xevent.xmotion.y - i_y) < 0 )
1354                 val.i_int = 0;
1355             else if( (unsigned int)val.i_int > p_vout->fmt_in.i_visible_height )
1356                 val.i_int = p_vout->fmt_in.i_visible_height;
1357
1358             var_Set( p_vout, "mouse-y", val );
1359
1360             var_SetBool( p_vout, "mouse-moved", true );
1361
1362             p_vout->p_sys->i_time_mouse_last_moved = mdate();
1363             if( ! p_vout->p_sys->b_mouse_pointer_visible )
1364             {
1365                 ToggleCursor( p_vout );
1366             }
1367         }
1368         else if( xevent.type == ReparentNotify /* XXX: why do we get this? */
1369                   || xevent.type == MapNotify
1370                   || xevent.type == UnmapNotify )
1371         {
1372             /* Ignore these events */
1373         }
1374         else /* Other events */
1375         {
1376             msg_Warn( p_vout, "unhandled event %d received", xevent.type );
1377         }
1378     }
1379
1380     /* Handle events for video output sub-window */
1381     while( XCheckWindowEvent( p_vout->p_sys->p_display,
1382                               p_vout->p_sys->p_win->video_window,
1383                               ExposureMask, &xevent ) == True )
1384     {
1385         /* Window exposed (only handled if stream playback is paused) */
1386         if( xevent.type == Expose )
1387         {
1388             if( ((XExposeEvent *)&xevent)->count == 0 )
1389             {
1390                 /* (if this is the last a collection of expose events...) */
1391
1392 #if defined(MODULE_NAME_IS_xvideo)
1393                 x11_window_t *p_win = p_vout->p_sys->p_win;
1394
1395                 /* Paint the colour key if needed */
1396                 if( p_vout->p_sys->b_paint_colourkey &&
1397                     xevent.xexpose.window == p_win->video_window )
1398                 {
1399                     XSetForeground( p_vout->p_sys->p_display,
1400                                     p_win->gc, p_vout->p_sys->i_colourkey );
1401                     XFillRectangle( p_vout->p_sys->p_display,
1402                                     p_win->video_window, p_win->gc, 0, 0,
1403                                     p_win->i_width, p_win->i_height );
1404                 }
1405 #endif
1406
1407 #if 0
1408                 if( p_vout->p_libvlc->p_input_bank->pp_input[0] != NULL )
1409                 {
1410                     if( PAUSE_S == p_vout->p_libvlc->p_input_bank->pp_input[0]
1411                                                    ->stream.control.i_status )
1412                     {
1413                         /* XVideoDisplay( p_vout )*/;
1414                     }
1415                 }
1416 #endif
1417             }
1418         }
1419     }
1420
1421     /* ClientMessage event - only WM_PROTOCOLS with WM_DELETE_WINDOW data
1422      * are handled - according to the man pages, the format is always 32
1423      * in this case */
1424     while( XCheckTypedEvent( p_vout->p_sys->p_display,
1425                              ClientMessage, &xevent ) )
1426     {
1427         if( (xevent.xclient.message_type == p_vout->p_sys->p_win->wm_protocols)
1428                && ((Atom)xevent.xclient.data.l[0]
1429                      == p_vout->p_sys->p_win->wm_delete_window ) )
1430         {
1431             /* the user wants to close the window */
1432             playlist_t * p_playlist = pl_Hold( p_vout );
1433             if( p_playlist != NULL )
1434             {
1435                 playlist_Stop( p_playlist );
1436                 pl_Release( p_vout );
1437             }
1438         }
1439     }
1440
1441     /*
1442      * Fullscreen Change
1443      */
1444     if ( p_vout->i_changes & VOUT_FULLSCREEN_CHANGE )
1445     {
1446         /* Update the object variable and trigger callback */
1447         var_SetBool( p_vout, "fullscreen", !p_vout->b_fullscreen );
1448
1449         ToggleFullScreen( p_vout );
1450         p_vout->i_changes &= ~VOUT_FULLSCREEN_CHANGE;
1451     }
1452
1453     /* autoscale toggle */
1454     if( p_vout->i_changes & VOUT_SCALE_CHANGE )
1455     {
1456         p_vout->i_changes &= ~VOUT_SCALE_CHANGE;
1457
1458         p_vout->b_autoscale = var_GetBool( p_vout, "autoscale" );
1459         p_vout->i_zoom = ZOOM_FP_FACTOR;
1460
1461         p_vout->i_changes |= VOUT_SIZE_CHANGE;
1462     }
1463
1464     /* scaling factor */
1465     if( p_vout->i_changes & VOUT_ZOOM_CHANGE )
1466     {
1467         p_vout->i_changes &= ~VOUT_ZOOM_CHANGE;
1468
1469         p_vout->b_autoscale = false;
1470         p_vout->i_zoom =
1471             (int)( ZOOM_FP_FACTOR * var_GetFloat( p_vout, "scale" ) );
1472
1473         p_vout->i_changes |= VOUT_SIZE_CHANGE;
1474     }
1475
1476     if( p_vout->i_changes & VOUT_CROP_CHANGE ||
1477         p_vout->i_changes & VOUT_ASPECT_CHANGE )
1478     {
1479         p_vout->i_changes &= ~VOUT_CROP_CHANGE;
1480         p_vout->i_changes &= ~VOUT_ASPECT_CHANGE;
1481
1482         p_vout->fmt_out.i_x_offset = p_vout->fmt_in.i_x_offset;
1483         p_vout->fmt_out.i_y_offset = p_vout->fmt_in.i_y_offset;
1484         p_vout->fmt_out.i_visible_width = p_vout->fmt_in.i_visible_width;
1485         p_vout->fmt_out.i_visible_height = p_vout->fmt_in.i_visible_height;
1486         p_vout->fmt_out.i_aspect = p_vout->fmt_in.i_aspect;
1487         p_vout->fmt_out.i_sar_num = p_vout->fmt_in.i_sar_num;
1488         p_vout->fmt_out.i_sar_den = p_vout->fmt_in.i_sar_den;
1489         p_vout->output.i_aspect = p_vout->fmt_in.i_aspect;
1490
1491         p_vout->i_changes |= VOUT_SIZE_CHANGE;
1492     }
1493
1494     /*
1495      * Size change
1496      *
1497      * (Needs to be placed after VOUT_FULLSREEN_CHANGE because we can activate
1498      *  the size flag inside the fullscreen routine)
1499      */
1500     if( p_vout->i_changes & VOUT_SIZE_CHANGE )
1501     {
1502         unsigned int i_width, i_height, i_x, i_y;
1503
1504 #ifdef MODULE_NAME_IS_x11
1505         /* We need to signal the vout thread about the size change because it
1506          * is doing the rescaling */
1507 #else
1508         p_vout->i_changes &= ~VOUT_SIZE_CHANGE;
1509 #endif
1510
1511         vout_PlacePicture( p_vout, p_vout->p_sys->p_win->i_width,
1512                            p_vout->p_sys->p_win->i_height,
1513                            &i_x, &i_y, &i_width, &i_height );
1514
1515         XMoveResizeWindow( p_vout->p_sys->p_display,
1516                            p_vout->p_sys->p_win->video_window,
1517                            i_x, i_y, i_width, i_height );
1518     }
1519
1520     /* cursor hiding depending on --vout-event option
1521      *      activated if:
1522      *            value = 1 (Fullsupport) (default value)
1523      *         or value = 2 (Fullscreen-Only) and condition met
1524      */
1525     bool b_vout_event = (   ( p_vout->p_sys->i_vout_event == 1 )
1526                          || ( p_vout->p_sys->i_vout_event == 2 && p_vout->b_fullscreen )
1527                         );
1528
1529     /* Autohide Cursour */
1530     if( mdate() - p_vout->p_sys->i_time_mouse_last_moved >
1531         p_vout->p_sys->i_mouse_hide_timeout )
1532     {
1533         /* Hide the mouse automatically */
1534         if( b_vout_event && p_vout->p_sys->b_mouse_pointer_visible )
1535         {
1536             ToggleCursor( p_vout );
1537         }
1538     }
1539
1540 #ifdef MODULE_NAME_IS_xvmc
1541     xvmc_context_reader_unlock( &p_vout->p_sys->xvmc_lock );
1542 #endif
1543
1544 #ifdef HAVE_OSSO
1545     if ( p_vout->p_sys->p_octx != NULL ) {
1546         if ( p_vout->p_sys->i_backlight_on_counter == i_backlight_on_interval ) {
1547             if ( osso_display_blanking_pause( p_vout->p_sys->p_octx ) != OSSO_OK ) {
1548                 msg_Err( p_vout, "Could not disable backlight blanking" );
1549         } else {
1550                 msg_Dbg( p_vout, "Backlight blanking disabled" );
1551             }
1552             p_vout->p_sys->i_backlight_on_counter = 0;
1553         } else {
1554             p_vout->p_sys->i_backlight_on_counter ++;
1555         }
1556     }
1557 #endif
1558     return 0;
1559 }
1560
1561 /*****************************************************************************
1562  * EndVideo: terminate X11 video thread output method
1563  *****************************************************************************
1564  * Destroy the X11 XImages created by Init. It is called at the end of
1565  * the thread, but also each time the window is resized.
1566  *****************************************************************************/
1567 static void EndVideo( vout_thread_t *p_vout )
1568 {
1569     int i_index;
1570
1571     /* Free the direct buffers we allocated */
1572     for( i_index = I_OUTPUTPICTURES ; i_index ; )
1573     {
1574         i_index--;
1575         FreePicture( p_vout, PP_OUTPUTPICTURE[ i_index ] );
1576     }
1577 }
1578
1579 /* following functions are local */
1580
1581 /*****************************************************************************
1582  * CreateWindow: open and set-up X11 main window
1583  *****************************************************************************/
1584 static int CreateWindow( vout_thread_t *p_vout, x11_window_t *p_win )
1585 {
1586     XSizeHints              xsize_hints;
1587     XSetWindowAttributes    xwindow_attributes;
1588     XGCValues               xgcvalues;
1589     XEvent                  xevent;
1590
1591     bool              b_map_notify = false;
1592     vlc_value_t             val;
1593
1594     /* Prepare window manager hints and properties */
1595     p_win->wm_protocols =
1596              XInternAtom( p_vout->p_sys->p_display, "WM_PROTOCOLS", True );
1597     p_win->wm_delete_window =
1598              XInternAtom( p_vout->p_sys->p_display, "WM_DELETE_WINDOW", True );
1599
1600     /* Never have a 0-pixel-wide window */
1601     xsize_hints.min_width = 2;
1602     xsize_hints.min_height = 1;
1603
1604     /* Prepare window attributes */
1605     xwindow_attributes.backing_store = Always;       /* save the hidden part */
1606     xwindow_attributes.background_pixel = BlackPixel(p_vout->p_sys->p_display,
1607                                                      p_vout->p_sys->i_screen);
1608     xwindow_attributes.event_mask = ExposureMask | StructureNotifyMask;
1609
1610     if( !p_vout->b_fullscreen )
1611     {
1612         p_win->owner_window = vout_RequestXWindow( p_vout, &p_win->i_x,
1613                               &p_win->i_y, &p_win->i_width, &p_win->i_height );
1614         if( !p_win->owner_window )
1615             return VLC_EGENERIC;
1616         xsize_hints.base_width  = xsize_hints.width = p_win->i_width;
1617         xsize_hints.base_height = xsize_hints.height = p_win->i_height;
1618         xsize_hints.flags       = PSize | PMinSize;
1619
1620         if( p_win->i_x >=0 || p_win->i_y >= 0 )
1621         {
1622             xsize_hints.x = p_win->i_x;
1623             xsize_hints.y = p_win->i_y;
1624             xsize_hints.flags |= PPosition;
1625         }
1626
1627         /* Select events we are interested in. */
1628         XSelectInput( p_vout->p_sys->p_display,
1629                       p_win->owner_window->handle.xid, StructureNotifyMask );
1630
1631         /* Get the parent window's geometry information */
1632         XGetGeometry( p_vout->p_sys->p_display,
1633                       p_win->owner_window->handle.xid,
1634                       &(Window){ 0 }, &(int){ 0 }, &(int){ 0 },
1635                       &p_win->i_width,
1636                       &p_win->i_height,
1637                       &(unsigned){ 0 }, &(unsigned){ 0 } );
1638
1639         /* From man XSelectInput: only one client at a time can select a
1640          * ButtonPress event, so we need to open a new window anyway. */
1641         p_win->base_window =
1642             XCreateWindow( p_vout->p_sys->p_display,
1643                            p_win->owner_window->handle.xid,
1644                            0, 0,
1645                            p_win->i_width, p_win->i_height,
1646                            0,
1647                            0, CopyFromParent, 0,
1648                            CWBackingStore | CWBackPixel | CWEventMask,
1649                            &xwindow_attributes );
1650     }
1651     else
1652     {
1653         /* Fullscreen window size and position */
1654         p_win->owner_window = NULL;
1655         p_win->i_x = p_win->i_y = 0;
1656         p_win->i_width =
1657             DisplayWidth( p_vout->p_sys->p_display, p_vout->p_sys->i_screen );
1658         p_win->i_height =
1659             DisplayHeight( p_vout->p_sys->p_display, p_vout->p_sys->i_screen );
1660
1661         /* Create the window and set hints - the window must receive
1662          * ConfigureNotify events, and until it is displayed, Expose and
1663          * MapNotify events. */
1664
1665         p_win->base_window =
1666             XCreateWindow( p_vout->p_sys->p_display,
1667                            DefaultRootWindow( p_vout->p_sys->p_display ),
1668                            p_win->i_x, p_win->i_y,
1669                            p_win->i_width, p_win->i_height,
1670                            0,
1671                            0, InputOutput, 0,
1672                            CWBackingStore | CWBackPixel | CWEventMask,
1673                            &xwindow_attributes );
1674
1675         var_Get( p_vout, "video-title", &val );
1676         if( !val.psz_string || !*val.psz_string )
1677         {
1678             XStoreName( p_vout->p_sys->p_display, p_win->base_window,
1679 #ifdef MODULE_NAME_IS_x11
1680                         VOUT_TITLE " (X11 output)"
1681 #elif defined(MODULE_NAME_IS_glx)
1682                         VOUT_TITLE " (GLX output)"
1683 #else
1684                         VOUT_TITLE " (XVideo output)"
1685 #endif
1686               );
1687         }
1688         else
1689         {
1690             XStoreName( p_vout->p_sys->p_display,
1691                         p_win->base_window, val.psz_string );
1692         }
1693         free( val.psz_string );
1694     }
1695
1696     if( (p_win->wm_protocols == None)        /* use WM_DELETE_WINDOW */
1697         || (p_win->wm_delete_window == None)
1698         || !XSetWMProtocols( p_vout->p_sys->p_display, p_win->base_window,
1699                              &p_win->wm_delete_window, 1 ) )
1700     {
1701         /* WM_DELETE_WINDOW is not supported by window manager */
1702         msg_Warn( p_vout, "missing or bad window manager" );
1703     }
1704
1705     /* Creation of a graphic context that doesn't generate a GraphicsExpose
1706      * event when using functions like XCopyArea */
1707     xgcvalues.graphics_exposures = False;
1708     p_win->gc = XCreateGC( p_vout->p_sys->p_display,
1709                            p_win->base_window,
1710                            GCGraphicsExposures, &xgcvalues );
1711
1712     /* Wait till the window is mapped */
1713     XMapWindow( p_vout->p_sys->p_display, p_win->base_window );
1714     do
1715     {
1716         XWindowEvent( p_vout->p_sys->p_display, p_win->base_window,
1717                       SubstructureNotifyMask | StructureNotifyMask, &xevent);
1718         if( (xevent.type == MapNotify)
1719                  && (xevent.xmap.window == p_win->base_window) )
1720         {
1721             b_map_notify = true;
1722         }
1723         else if( (xevent.type == ConfigureNotify)
1724                  && (xevent.xconfigure.window == p_win->base_window) )
1725         {
1726             p_win->i_width = xevent.xconfigure.width;
1727             p_win->i_height = xevent.xconfigure.height;
1728         }
1729     } while( !b_map_notify );
1730
1731     /* key and mouse events handling depending on --vout-event option
1732      *      activated if:
1733      *            value = 1 (Fullsupport) (default value)
1734      *         or value = 2 (Fullscreen-Only) and condition met
1735      */
1736     bool b_vout_event = (   ( p_vout->p_sys->i_vout_event == 1 )
1737                          || ( p_vout->p_sys->i_vout_event == 2 && p_vout->b_fullscreen )
1738                         );
1739     if ( b_vout_event )
1740         XSelectInput( p_vout->p_sys->p_display, p_win->base_window,
1741                       StructureNotifyMask | KeyPressMask |
1742                       ButtonPressMask | ButtonReleaseMask |
1743                       PointerMotionMask );
1744
1745 #ifdef MODULE_NAME_IS_x11
1746     if( XDefaultDepth(p_vout->p_sys->p_display, p_vout->p_sys->i_screen) == 8 )
1747     {
1748         /* Allocate a new palette */
1749         p_vout->p_sys->colormap =
1750             XCreateColormap( p_vout->p_sys->p_display,
1751                              DefaultRootWindow( p_vout->p_sys->p_display ),
1752                              DefaultVisual( p_vout->p_sys->p_display,
1753                                             p_vout->p_sys->i_screen ),
1754                              AllocAll );
1755
1756         xwindow_attributes.colormap = p_vout->p_sys->colormap;
1757         XChangeWindowAttributes( p_vout->p_sys->p_display, p_win->base_window,
1758                                  CWColormap, &xwindow_attributes );
1759     }
1760 #endif
1761
1762     /* Create video output sub-window. */
1763     p_win->video_window =  XCreateSimpleWindow(
1764                                       p_vout->p_sys->p_display,
1765                                       p_win->base_window, 0, 0,
1766                                       p_win->i_width, p_win->i_height,
1767                                       0,
1768                                       BlackPixel( p_vout->p_sys->p_display,
1769                                                   p_vout->p_sys->i_screen ),
1770                                       WhitePixel( p_vout->p_sys->p_display,
1771                                                   p_vout->p_sys->i_screen ) );
1772
1773     XSetWindowBackground( p_vout->p_sys->p_display, p_win->video_window,
1774                           BlackPixel( p_vout->p_sys->p_display,
1775                                       p_vout->p_sys->i_screen ) );
1776
1777     XMapWindow( p_vout->p_sys->p_display, p_win->video_window );
1778     XSelectInput( p_vout->p_sys->p_display, p_win->video_window,
1779                   ExposureMask );
1780
1781     /* make sure the video window will be centered in the next ManageVideo() */
1782     p_vout->i_changes |= VOUT_SIZE_CHANGE;
1783
1784     /* If the cursor was formerly blank than blank it again */
1785     if( !p_vout->p_sys->b_mouse_pointer_visible )
1786     {
1787         ToggleCursor( p_vout );
1788         ToggleCursor( p_vout );
1789     }
1790
1791     /* Do NOT use XFlush here ! */
1792     XSync( p_vout->p_sys->p_display, False );
1793
1794     /* At this stage, the window is open, displayed, and ready to
1795      * receive data */
1796     p_vout->p_sys->p_win = p_win;
1797
1798     return VLC_SUCCESS;
1799 }
1800
1801 /*****************************************************************************
1802  * DestroyWindow: destroy the window
1803  *****************************************************************************
1804  *
1805  *****************************************************************************/
1806 static void DestroyWindow( vout_thread_t *p_vout, x11_window_t *p_win )
1807 {
1808     /* Do NOT use XFlush here ! */
1809     XSync( p_vout->p_sys->p_display, False );
1810
1811     if( p_win->video_window != None )
1812         XDestroyWindow( p_vout->p_sys->p_display, p_win->video_window );
1813
1814     XFreeGC( p_vout->p_sys->p_display, p_win->gc );
1815
1816     XUnmapWindow( p_vout->p_sys->p_display, p_win->base_window );
1817     XDestroyWindow( p_vout->p_sys->p_display, p_win->base_window );
1818
1819     /* make sure base window is destroyed before proceeding further */
1820     bool b_destroy_notify = false;
1821     do
1822     {
1823         XEvent      xevent;
1824         XWindowEvent( p_vout->p_sys->p_display, p_win->base_window,
1825                       SubstructureNotifyMask | StructureNotifyMask, &xevent);
1826         if( (xevent.type == DestroyNotify)
1827                  && (xevent.xmap.window == p_win->base_window) )
1828         {
1829             b_destroy_notify = true;
1830         }
1831     } while( !b_destroy_notify );
1832
1833     vout_ReleaseWindow( p_win->owner_window );
1834 }
1835
1836 /*****************************************************************************
1837  * NewPicture: allocate a picture
1838  *****************************************************************************
1839  * Returns 0 on success, -1 otherwise
1840  *****************************************************************************/
1841 static int NewPicture( vout_thread_t *p_vout, picture_t *p_pic )
1842 {
1843 #ifndef MODULE_NAME_IS_glx
1844
1845 #if defined(MODULE_NAME_IS_xvideo) || defined(MODULE_NAME_IS_xvmc)
1846     int i_plane;
1847 #endif
1848
1849     /* We know the chroma, allocate a buffer which will be used
1850      * directly by the decoder */
1851     p_pic->p_sys = malloc( sizeof( picture_sys_t ) );
1852
1853     if( p_pic->p_sys == NULL )
1854     {
1855         return -1;
1856     }
1857
1858 #ifdef MODULE_NAME_IS_xvmc
1859     p_pic->p_sys->p_vout = p_vout;
1860     p_pic->p_sys->xvmc_surf = NULL;
1861     p_pic->p_sys->xxmc_data.decoded = 0;
1862     p_pic->p_sys->xxmc_data.proc_xxmc_update_frame = xxmc_do_update_frame;
1863     //    p_pic->p_accel_data = &p_pic->p_sys->xxmc_data;
1864     p_pic->p_sys->nb_display = 0;
1865 #endif
1866
1867     /* Fill in picture_t fields */
1868     vout_InitPicture( VLC_OBJECT(p_vout), p_pic, p_vout->output.i_chroma,
1869                       p_vout->output.i_width, p_vout->output.i_height,
1870                       p_vout->output.i_aspect );
1871
1872 #ifdef HAVE_SYS_SHM_H
1873     if( p_vout->p_sys->i_shm_opcode )
1874     {
1875         /* Create image using XShm extension */
1876         p_pic->p_sys->p_image =
1877             CreateShmImage( p_vout, p_vout->p_sys->p_display,
1878 #if defined(MODULE_NAME_IS_xvideo) || defined(MODULE_NAME_IS_xvmc)
1879                             p_vout->p_sys->i_xvport,
1880                             VLC2X11_FOURCC(p_vout->output.i_chroma),
1881 #else
1882                             p_vout->p_sys->p_visual,
1883                             p_vout->p_sys->i_screen_depth,
1884 #endif
1885                             &p_pic->p_sys->shminfo,
1886                             p_vout->output.i_width, p_vout->output.i_height );
1887     }
1888
1889     if( !p_vout->p_sys->i_shm_opcode || !p_pic->p_sys->p_image )
1890 #endif /* HAVE_SYS_SHM_H */
1891     {
1892         /* Create image without XShm extension */
1893         p_pic->p_sys->p_image =
1894             CreateImage( p_vout, p_vout->p_sys->p_display,
1895 #if defined(MODULE_NAME_IS_xvideo) || defined(MODULE_NAME_IS_xvmc)
1896                          p_vout->p_sys->i_xvport,
1897                          VLC2X11_FOURCC(p_vout->output.i_chroma),
1898                          p_pic->format.i_bits_per_pixel,
1899 #else
1900                          p_vout->p_sys->p_visual,
1901                          p_vout->p_sys->i_screen_depth,
1902                          p_vout->p_sys->i_bytes_per_pixel,
1903 #endif
1904                          p_vout->output.i_width, p_vout->output.i_height );
1905
1906 #ifdef HAVE_SYS_SHM_H
1907         if( p_pic->p_sys->p_image && p_vout->p_sys->i_shm_opcode )
1908         {
1909             msg_Warn( p_vout, "couldn't create SHM image, disabling SHM" );
1910             p_vout->p_sys->i_shm_opcode = 0;
1911         }
1912 #endif /* HAVE_SYS_SHM_H */
1913     }
1914
1915     if( p_pic->p_sys->p_image == NULL )
1916     {
1917         free( p_pic->p_sys );
1918         return -1;
1919     }
1920
1921     switch( p_vout->output.i_chroma )
1922     {
1923 #if defined(MODULE_NAME_IS_xvideo) || defined(MODULE_NAME_IS_xvmc)
1924         case VLC_CODEC_I420:
1925         case VLC_CODEC_YV12:
1926         case VLC_CODEC_Y211:
1927         case VLC_CODEC_YUYV:
1928         case VLC_CODEC_UYVY:
1929         case VLC_CODEC_RGB15:
1930         case VLC_CODEC_RGB16:
1931         case VLC_CODEC_RGB24: /* Fixme: pixel pitch == 4 ? */
1932         case VLC_CODEC_RGB32:
1933
1934             for( i_plane = 0; i_plane < p_pic->p_sys->p_image->num_planes;
1935                  i_plane++ )
1936             {
1937                 p_pic->p[i_plane].p_pixels = (uint8_t*)p_pic->p_sys->p_image->data
1938                     + p_pic->p_sys->p_image->offsets[i_plane];
1939                 p_pic->p[i_plane].i_pitch =
1940                     p_pic->p_sys->p_image->pitches[i_plane];
1941             }
1942             if( p_vout->output.i_chroma == VLC_CODEC_YV12 )
1943             {
1944                 /* U and V inverted compared to I420
1945                  * Fixme: this should be handled by the vout core */
1946                 p_pic->U_PIXELS = (uint8_t*)p_pic->p_sys->p_image->data
1947                     + p_pic->p_sys->p_image->offsets[2];
1948                 p_pic->V_PIXELS = (uint8_t*)p_pic->p_sys->p_image->data
1949                     + p_pic->p_sys->p_image->offsets[1];
1950             }
1951
1952             break;
1953
1954 #else
1955         case VLC_CODEC_RGB8:
1956         case VLC_CODEC_RGB16:
1957         case VLC_CODEC_RGB15:
1958         case VLC_CODEC_RGB24:
1959         case VLC_CODEC_RGB32:
1960
1961             p_pic->p->i_lines = p_pic->p_sys->p_image->height;
1962             p_pic->p->i_visible_lines = p_pic->p_sys->p_image->height;
1963             p_pic->p->p_pixels = (uint8_t*)p_pic->p_sys->p_image->data
1964                                   + p_pic->p_sys->p_image->xoffset;
1965             p_pic->p->i_pitch = p_pic->p_sys->p_image->bytes_per_line;
1966
1967             /* p_pic->p->i_pixel_pitch = 4 for RV24 but this should be set
1968              * properly by vout_InitPicture() */
1969             p_pic->p->i_visible_pitch = p_pic->p->i_pixel_pitch
1970                                          * p_pic->p_sys->p_image->width;
1971             break;
1972 #endif
1973
1974         default:
1975             /* Unknown chroma, tell the guy to get lost */
1976             IMAGE_FREE( p_pic->p_sys->p_image );
1977             free( p_pic->p_sys );
1978             msg_Err( p_vout, "never heard of chroma 0x%.8x (%4.4s)",
1979                      p_vout->output.i_chroma, (char*)&p_vout->output.i_chroma );
1980             p_pic->i_planes = 0;
1981             return -1;
1982     }
1983 #else
1984
1985     VLC_UNUSED(p_vout); VLC_UNUSED(p_pic);
1986
1987 #endif /* !MODULE_NAME_IS_glx */
1988
1989     return 0;
1990 }
1991
1992 /*****************************************************************************
1993  * FreePicture: destroy a picture allocated with NewPicture
1994  *****************************************************************************
1995  * Destroy XImage AND associated data. If using Shm, detach shared memory
1996  * segment from server and process, then free it. The XDestroyImage manpage
1997  * says that both the image structure _and_ the data pointed to by the
1998  * image structure are freed, so no need to free p_image->data.
1999  *****************************************************************************/
2000 static void FreePicture( vout_thread_t *p_vout, picture_t *p_pic )
2001 {
2002     /* The order of operations is correct */
2003 #ifdef HAVE_SYS_SHM_H
2004     if( p_vout->p_sys->i_shm_opcode )
2005     {
2006         XShmDetach( p_vout->p_sys->p_display, &p_pic->p_sys->shminfo );
2007         IMAGE_FREE( p_pic->p_sys->p_image );
2008
2009         shmctl( p_pic->p_sys->shminfo.shmid, IPC_RMID, 0 );
2010         if( shmdt( p_pic->p_sys->shminfo.shmaddr ) )
2011         {
2012             msg_Err( p_vout, "cannot detach shared memory (%m)" );
2013         }
2014     }
2015     else
2016 #endif
2017     {
2018         IMAGE_FREE( p_pic->p_sys->p_image );
2019     }
2020
2021 #ifdef MODULE_NAME_IS_xvmc
2022     if( p_pic->p_sys->xvmc_surf != NULL )
2023     {
2024         xxmc_xvmc_free_surface(p_vout , p_pic->p_sys->xvmc_surf);
2025         p_pic->p_sys->xvmc_surf = NULL;
2026     }
2027 #endif
2028
2029     /* Do NOT use XFlush here ! */
2030     XSync( p_vout->p_sys->p_display, False );
2031
2032     free( p_pic->p_sys );
2033 }
2034
2035 /*****************************************************************************
2036  * ToggleFullScreen: Enable or disable full screen mode
2037  *****************************************************************************
2038  * This function will switch between fullscreen and window mode.
2039  *****************************************************************************/
2040 static void ToggleFullScreen ( vout_thread_t *p_vout )
2041 {
2042     Atom prop;
2043     mwmhints_t mwmhints;
2044     XSetWindowAttributes attributes;
2045
2046 #ifdef HAVE_XINERAMA
2047     int i_d1, i_d2;
2048 #endif
2049
2050     p_vout->b_fullscreen = !p_vout->b_fullscreen;
2051
2052     if( p_vout->b_fullscreen )
2053     {
2054         msg_Dbg( p_vout, "entering fullscreen mode" );
2055
2056         /* Getting current window position */
2057         Window root_win;
2058         Window* child_windows;
2059         unsigned int num_child_windows;
2060         Window parent_win;
2061         Window child_win;
2062         XWindowAttributes win_attr;
2063         int screen_x,screen_y;
2064
2065         XGetWindowAttributes(
2066                 p_vout->p_sys->p_display,
2067                 p_vout->p_sys->p_win->video_window,
2068                 &win_attr);
2069
2070         XQueryTree(
2071                 p_vout->p_sys->p_display,
2072                 p_vout->p_sys->p_win->video_window,
2073                 &root_win,
2074                 &parent_win,
2075                 &child_windows,
2076                 &num_child_windows);
2077         XFree(child_windows);
2078
2079         XTranslateCoordinates(
2080                 p_vout->p_sys->p_display,
2081                 parent_win, win_attr.root,
2082                 win_attr.x,win_attr.y,
2083                 &screen_x,&screen_y,
2084                 &child_win);
2085
2086         msg_Dbg( p_vout, "X %d/%d Y %d/%d", win_attr.x,screen_x,win_attr.y,screen_y);
2087         /* screen_x and screen_y are current position */
2088
2089         p_vout->p_sys->b_altfullscreen =
2090             config_GetInt( p_vout, MODULE_STRING "-altfullscreen" );
2091
2092         XUnmapWindow( p_vout->p_sys->p_display,
2093                       p_vout->p_sys->p_win->base_window );
2094
2095         p_vout->p_sys->p_win = &p_vout->p_sys->fullscreen_window;
2096
2097         CreateWindow( p_vout, p_vout->p_sys->p_win );
2098         XDestroyWindow( p_vout->p_sys->p_display,
2099                         p_vout->p_sys->fullscreen_window.video_window );
2100         XReparentWindow( p_vout->p_sys->p_display,
2101                          p_vout->p_sys->original_window.video_window,
2102                          p_vout->p_sys->fullscreen_window.base_window, 0, 0 );
2103         p_vout->p_sys->fullscreen_window.video_window =
2104             p_vout->p_sys->original_window.video_window;
2105
2106         /* To my knowledge there are two ways to create a borderless window.
2107          * There's the generic way which is to tell x to bypass the window
2108          * manager, but this creates problems with the focus of other
2109          * applications.
2110          * The other way is to use the motif property "_MOTIF_WM_HINTS" which
2111          * luckily seems to be supported by most window managers. */
2112         if( !p_vout->p_sys->b_altfullscreen )
2113         {
2114             mwmhints.flags = MWM_HINTS_DECORATIONS;
2115             mwmhints.decorations = False;
2116
2117             prop = XInternAtom( p_vout->p_sys->p_display, "_MOTIF_WM_HINTS",
2118                                 False );
2119             XChangeProperty( p_vout->p_sys->p_display,
2120                              p_vout->p_sys->p_win->base_window,
2121                              prop, prop, 32, PropModeReplace,
2122                              (unsigned char *)&mwmhints,
2123                              PROP_MWM_HINTS_ELEMENTS );
2124         }
2125         else
2126         {
2127             /* brute force way to remove decorations */
2128             attributes.override_redirect = True;
2129             XChangeWindowAttributes( p_vout->p_sys->p_display,
2130                                      p_vout->p_sys->p_win->base_window,
2131                                      CWOverrideRedirect,
2132                                      &attributes);
2133
2134             /* Make sure the change is effective */
2135             XReparentWindow( p_vout->p_sys->p_display,
2136                              p_vout->p_sys->p_win->base_window,
2137                              DefaultRootWindow( p_vout->p_sys->p_display ),
2138                              0, 0 );
2139         }
2140
2141         if( p_vout->p_sys->b_net_wm_state_fullscreen )
2142         {
2143             XClientMessageEvent event;
2144
2145             memset( &event, 0, sizeof( XClientMessageEvent ) );
2146
2147             event.type = ClientMessage;
2148             event.message_type = p_vout->p_sys->net_wm_state;
2149             event.display = p_vout->p_sys->p_display;
2150             event.window = p_vout->p_sys->p_win->base_window;
2151             event.format = 32;
2152             event.data.l[ 0 ] = 1; /* set property */
2153             event.data.l[ 1 ] = p_vout->p_sys->net_wm_state_fullscreen;
2154
2155             XSendEvent( p_vout->p_sys->p_display,
2156                         DefaultRootWindow( p_vout->p_sys->p_display ),
2157                         False, SubstructureRedirectMask,
2158                         (XEvent*)&event );
2159         }
2160
2161 /* "bad fullscreen" - set this to 0. doing fullscreen this way is problematic
2162  * for many reasons and basically fights with the window manager as the wm
2163  * reparents AND vlc goes and reparents - multiple times. don't do it. it just
2164  * makes it more inefficient and less "nice" to the x11 citizenry. this turns
2165  * it off */
2166 #define BADFS 0
2167 /* explicitly asking for focus when you fullscreened is a little silly. the
2168  * window manager SHOULD be handling this itself based on its own focus
2169  * policies. if the user is "using" a given xinerama/xrandr screen or x11
2170  * multihead screen AND vlc wants to fullscreen the wm should also focus it
2171  * as its the only thing on the screen. if vlc fullscreens and its on
2172  * "another monitor" to the one the user is using - this may "steal" the focus
2173  * as really the wm should be deciding if, on fullscreening of a window
2174  * the focus should go there or not, so let the wm decided */
2175 #define APPFOCUS 0
2176         /* Make sure the change is effective */
2177         XReparentWindow( p_vout->p_sys->p_display,
2178                          p_vout->p_sys->p_win->base_window,
2179                          DefaultRootWindow( p_vout->p_sys->p_display ),
2180                          0, 0 );
2181
2182 #ifdef HAVE_XINERAMA
2183         if( XineramaQueryExtension( p_vout->p_sys->p_display, &i_d1, &i_d2 ) &&
2184             XineramaIsActive( p_vout->p_sys->p_display ) )
2185         {
2186             XineramaScreenInfo *screens;   /* infos for xinerama */
2187             int i_num_screens;
2188
2189             msg_Dbg( p_vout, "using XFree Xinerama extension");
2190
2191 #define SCREEN p_vout->p_sys->p_win->i_screen
2192
2193             /* Get Information about Xinerama (num of screens) */
2194             screens = XineramaQueryScreens( p_vout->p_sys->p_display,
2195                                             &i_num_screens );
2196
2197             SCREEN = config_GetInt( p_vout,
2198                                         MODULE_STRING "-xineramascreen" );
2199
2200             /* just check that user has entered a good value,
2201              * otherwise use that screen where window is */
2202             if( SCREEN >= i_num_screens || SCREEN < 0 )
2203             {
2204                 msg_Dbg( p_vout, "requested screen number invalid (%d/%d)", SCREEN, i_num_screens );
2205 #define left screens[SCREEN].x_org
2206 #define right left + screens[SCREEN].width
2207 #define top screens[SCREEN].y_org
2208 #define bottom top + screens[SCREEN].height
2209
2210                  for( SCREEN = i_num_screens-1; SCREEN > 0; SCREEN--)
2211                  {
2212                      if( left <= screen_x && screen_x <= right &&
2213                              top <= screen_y && screen_y <= bottom )
2214                          break;
2215                  }
2216 #undef bottom
2217 #undef top
2218 #undef right
2219 #undef left
2220             }
2221
2222             /* Get the X/Y upper left corner coordinate of the above screen */
2223             p_vout->p_sys->p_win->i_x = screens[SCREEN].x_org;
2224             p_vout->p_sys->p_win->i_y = screens[SCREEN].y_org;
2225
2226             /* Set the Height/width to the screen resolution */
2227             p_vout->p_sys->p_win->i_width = screens[SCREEN].width;
2228             p_vout->p_sys->p_win->i_height = screens[SCREEN].height;
2229
2230             XFree(screens);
2231
2232 #undef SCREEN
2233
2234         }
2235         else
2236 #endif
2237         {
2238             /* The window wasn't necessarily created at the requested size */
2239             p_vout->p_sys->p_win->i_x = p_vout->p_sys->p_win->i_y = 0;
2240
2241 #ifdef HAVE_XF86VIDMODE
2242             XF86VidModeModeLine mode;
2243             int i_dummy;
2244
2245             if( XF86VidModeGetModeLine( p_vout->p_sys->p_display,
2246                                         p_vout->p_sys->i_screen, &i_dummy,
2247                                         &mode ) )
2248             {
2249                 p_vout->p_sys->p_win->i_width = mode.hdisplay;
2250                 p_vout->p_sys->p_win->i_height = mode.vdisplay;
2251
2252                 /* move cursor to the middle of the window to prevent
2253                  * unwanted display move if the display is smaller than the
2254                  * full desktop */
2255                 XWarpPointer( p_vout->p_sys->p_display, None,
2256                               p_vout->p_sys->p_win->base_window, 0, 0, 0, 0,
2257                               mode.hdisplay / 2 , mode.vdisplay / 2 );
2258                 /* force desktop view to upper left corner */
2259                 XF86VidModeSetViewPort( p_vout->p_sys->p_display,
2260                                         p_vout->p_sys->i_screen, 0, 0 );
2261             }
2262             else
2263 #endif
2264             {
2265                 p_vout->p_sys->p_win->i_width =
2266                     DisplayWidth( p_vout->p_sys->p_display,
2267                                 p_vout->p_sys->i_screen );
2268                 p_vout->p_sys->p_win->i_height =
2269                     DisplayHeight( p_vout->p_sys->p_display,
2270                                 p_vout->p_sys->i_screen );
2271             }
2272
2273         }
2274
2275         XMoveResizeWindow( p_vout->p_sys->p_display,
2276                            p_vout->p_sys->p_win->base_window,
2277                            p_vout->p_sys->p_win->i_x,
2278                            p_vout->p_sys->p_win->i_y,
2279                            p_vout->p_sys->p_win->i_width,
2280                            p_vout->p_sys->p_win->i_height );
2281
2282 #ifdef HAVE_XSP
2283         EnablePixelDoubling( p_vout );
2284 #endif
2285
2286 #if APPFOCUS // RASTER: let the wm do focus policy
2287         /* Activate the window (give it the focus) */
2288         XClientMessageEvent event;
2289
2290         memset( &event, 0, sizeof( XClientMessageEvent ) );
2291
2292         event.type = ClientMessage;
2293         event.message_type =
2294            XInternAtom( p_vout->p_sys->p_display, "_NET_ACTIVE_WINDOW", False );
2295         event.display = p_vout->p_sys->p_display;
2296         event.window = p_vout->p_sys->p_win->base_window;
2297         event.format = 32;
2298         event.data.l[ 0 ] = 1; /* source indication (1 = from an application */
2299         event.data.l[ 1 ] = 0; /* timestamp */
2300         event.data.l[ 2 ] = 0; /* requestor's currently active window */
2301         /* XXX: window manager would be more likely to obey if we already have
2302          * an active window (and give it to the event), such as an interface */
2303
2304         XSendEvent( p_vout->p_sys->p_display,
2305                     DefaultRootWindow( p_vout->p_sys->p_display ),
2306                     False, SubstructureRedirectMask,
2307                     (XEvent*)&event );
2308 #endif
2309     }
2310     else
2311     {
2312         msg_Dbg( p_vout, "leaving fullscreen mode" );
2313
2314 #ifdef HAVE_XSP
2315         DisablePixelDoubling( p_vout );
2316 #endif
2317
2318         XReparentWindow( p_vout->p_sys->p_display,
2319                          p_vout->p_sys->original_window.video_window,
2320                          p_vout->p_sys->original_window.base_window, 0, 0 );
2321
2322         p_vout->p_sys->fullscreen_window.video_window = None;
2323         DestroyWindow( p_vout, &p_vout->p_sys->fullscreen_window );
2324         p_vout->p_sys->p_win = &p_vout->p_sys->original_window;
2325
2326         XMapWindow( p_vout->p_sys->p_display,
2327                     p_vout->p_sys->p_win->base_window );
2328     }
2329
2330     /* Unfortunately, using XSync() here is not enough to ensure the
2331      * window has already been mapped because the XMapWindow() request
2332      * has not necessarily been sent directly to our window (remember,
2333      * the call is first redirected to the window manager) */
2334
2335 #if BADFS // RASTER: this is silly... if we have already mapped before
2336     XEvent xevent;
2337     do
2338     {
2339         XWindowEvent( p_vout->p_sys->p_display,
2340                       p_vout->p_sys->p_win->base_window,
2341                       StructureNotifyMask, &xevent );
2342     } while( xevent.type != MapNotify );
2343 #else
2344    XSync(p_vout->p_sys->p_display, False);
2345 #endif
2346
2347     /* Be careful, this can generate a BadMatch error if the window is not
2348      * already mapped by the server (see above) */
2349     XSetInputFocus(p_vout->p_sys->p_display,
2350                    p_vout->p_sys->p_win->base_window,
2351                    RevertToParent,
2352                    CurrentTime);
2353
2354     /* signal that the size needs to be updated */
2355     p_vout->i_changes |= VOUT_SIZE_CHANGE;
2356 }
2357
2358 /*****************************************************************************
2359  * EnableXScreenSaver: enable screen saver
2360  *****************************************************************************
2361  * This function enables the screen saver on a display after it has been
2362  * disabled by XDisableScreenSaver.
2363  * FIXME: what happens if multiple vlc sessions are running at the same
2364  *        time ???
2365  *****************************************************************************/
2366 static void EnableXScreenSaver( vout_thread_t *p_vout )
2367 {
2368 #ifdef DPMSINFO_IN_DPMS_H
2369     int dummy;
2370 #endif
2371
2372     if( p_vout->p_sys->i_ss_timeout )
2373     {
2374         XSetScreenSaver( p_vout->p_sys->p_display, p_vout->p_sys->i_ss_timeout,
2375                          p_vout->p_sys->i_ss_interval,
2376                          p_vout->p_sys->i_ss_blanking,
2377                          p_vout->p_sys->i_ss_exposure );
2378     }
2379
2380     /* Restore DPMS settings */
2381 #ifdef DPMSINFO_IN_DPMS_H
2382     if( DPMSQueryExtension( p_vout->p_sys->p_display, &dummy, &dummy ) )
2383     {
2384         if( p_vout->p_sys->b_ss_dpms )
2385         {
2386             DPMSEnable( p_vout->p_sys->p_display );
2387         }
2388     }
2389 #endif
2390 }
2391
2392 /*****************************************************************************
2393  * DisableXScreenSaver: disable screen saver
2394  *****************************************************************************
2395  * See XEnableXScreenSaver
2396  *****************************************************************************/
2397 static void DisableXScreenSaver( vout_thread_t *p_vout )
2398 {
2399 #ifdef DPMSINFO_IN_DPMS_H
2400     int dummy;
2401 #endif
2402
2403     /* Save screen saver information */
2404     XGetScreenSaver( p_vout->p_sys->p_display, &p_vout->p_sys->i_ss_timeout,
2405                      &p_vout->p_sys->i_ss_interval,
2406                      &p_vout->p_sys->i_ss_blanking,
2407                      &p_vout->p_sys->i_ss_exposure );
2408
2409     /* Disable screen saver */
2410     if( p_vout->p_sys->i_ss_timeout )
2411     {
2412         XSetScreenSaver( p_vout->p_sys->p_display, 0,
2413                          p_vout->p_sys->i_ss_interval,
2414                          p_vout->p_sys->i_ss_blanking,
2415                          p_vout->p_sys->i_ss_exposure );
2416     }
2417
2418     /* Disable DPMS */
2419 #ifdef DPMSINFO_IN_DPMS_H
2420     if( DPMSQueryExtension( p_vout->p_sys->p_display, &dummy, &dummy ) )
2421     {
2422         CARD16 unused;
2423         /* Save DPMS current state */
2424         DPMSInfo( p_vout->p_sys->p_display, &unused,
2425                   &p_vout->p_sys->b_ss_dpms );
2426         DPMSDisable( p_vout->p_sys->p_display );
2427    }
2428 #endif
2429 }
2430
2431 /*****************************************************************************
2432  * CreateCursor: create a blank mouse pointer
2433  *****************************************************************************/
2434 static void CreateCursor( vout_thread_t *p_vout )
2435 {
2436     XColor cursor_color;
2437
2438     p_vout->p_sys->cursor_pixmap =
2439         XCreatePixmap( p_vout->p_sys->p_display,
2440                        DefaultRootWindow( p_vout->p_sys->p_display ),
2441                        1, 1, 1 );
2442
2443     XParseColor( p_vout->p_sys->p_display,
2444                  XCreateColormap( p_vout->p_sys->p_display,
2445                                   DefaultRootWindow(
2446                                                     p_vout->p_sys->p_display ),
2447                                   DefaultVisual(
2448                                                 p_vout->p_sys->p_display,
2449                                                 p_vout->p_sys->i_screen ),
2450                                   AllocNone ),
2451                  "black", &cursor_color );
2452
2453     p_vout->p_sys->blank_cursor =
2454         XCreatePixmapCursor( p_vout->p_sys->p_display,
2455                              p_vout->p_sys->cursor_pixmap,
2456                              p_vout->p_sys->cursor_pixmap,
2457                              &cursor_color, &cursor_color, 1, 1 );
2458 }
2459
2460 /*****************************************************************************
2461  * DestroyCursor: destroy the blank mouse pointer
2462  *****************************************************************************/
2463 static void DestroyCursor( vout_thread_t *p_vout )
2464 {
2465     XFreePixmap( p_vout->p_sys->p_display, p_vout->p_sys->cursor_pixmap );
2466 }
2467
2468 /*****************************************************************************
2469  * ToggleCursor: hide or show the mouse pointer
2470  *****************************************************************************
2471  * This function hides the X pointer if it is visible by setting the pointer
2472  * sprite to a blank one. To show it again, we disable the sprite.
2473  *****************************************************************************/
2474 static void ToggleCursor( vout_thread_t *p_vout )
2475 {
2476     if( p_vout->p_sys->b_mouse_pointer_visible )
2477     {
2478         XDefineCursor( p_vout->p_sys->p_display,
2479                        p_vout->p_sys->p_win->base_window,
2480                        p_vout->p_sys->blank_cursor );
2481         p_vout->p_sys->b_mouse_pointer_visible = 0;
2482     }
2483     else
2484     {
2485         XUndefineCursor( p_vout->p_sys->p_display,
2486                          p_vout->p_sys->p_win->base_window );
2487         p_vout->p_sys->b_mouse_pointer_visible = 1;
2488     }
2489 }
2490
2491 #if defined(MODULE_NAME_IS_xvideo) || defined(MODULE_NAME_IS_xvmc)
2492 /*****************************************************************************
2493  * XVideoGetPort: get YUV12 port
2494  *****************************************************************************/
2495 static int XVideoGetPort( vout_thread_t *p_vout,
2496                           vlc_fourcc_t i_chroma, picture_heap_t *p_heap )
2497 {
2498     XvAdaptorInfo *p_adaptor;
2499     unsigned int i;
2500     unsigned int i_adaptor, i_num_adaptors;
2501     int i_requested_adaptor;
2502     int i_selected_port;
2503
2504     switch( XvQueryExtension( p_vout->p_sys->p_display, &i, &i, &i, &i, &i ) )
2505     {
2506         case Success:
2507             break;
2508
2509         case XvBadExtension:
2510             msg_Warn( p_vout, "XvBadExtension" );
2511             return -1;
2512
2513         case XvBadAlloc:
2514             msg_Warn( p_vout, "XvBadAlloc" );
2515             return -1;
2516
2517         default:
2518             msg_Warn( p_vout, "XvQueryExtension failed" );
2519             return -1;
2520     }
2521
2522     switch( XvQueryAdaptors( p_vout->p_sys->p_display,
2523                              DefaultRootWindow( p_vout->p_sys->p_display ),
2524                              &i_num_adaptors, &p_adaptor ) )
2525     {
2526         case Success:
2527             break;
2528
2529         case XvBadExtension:
2530             msg_Warn( p_vout, "XvBadExtension for XvQueryAdaptors" );
2531             return -1;
2532
2533         case XvBadAlloc:
2534             msg_Warn( p_vout, "XvBadAlloc for XvQueryAdaptors" );
2535             return -1;
2536
2537         default:
2538             msg_Warn( p_vout, "XvQueryAdaptors failed" );
2539             return -1;
2540     }
2541
2542     i_selected_port = -1;
2543 #ifdef MODULE_NAME_IS_xvmc
2544     i_requested_adaptor = config_GetInt( p_vout, "xvmc-adaptor" );
2545 #else
2546     i_requested_adaptor = config_GetInt( p_vout, "xvideo-adaptor" );
2547 #endif
2548     for( i_adaptor = 0; i_adaptor < i_num_adaptors; ++i_adaptor )
2549     {
2550         XvImageFormatValues *p_formats;
2551         int i_format, i_num_formats;
2552         int i_port;
2553
2554         /* If we requested an adaptor and it's not this one, we aren't
2555          * interested */
2556         if( i_requested_adaptor != -1 && ((int)i_adaptor != i_requested_adaptor) )
2557         {
2558             continue;
2559         }
2560
2561         /* If the adaptor doesn't have the required properties, skip it */
2562         if( !( p_adaptor[ i_adaptor ].type & XvInputMask ) ||
2563             !( p_adaptor[ i_adaptor ].type & XvImageMask ) )
2564         {
2565             continue;
2566         }
2567
2568         /* Check that adaptor supports our requested format... */
2569         p_formats = XvListImageFormats( p_vout->p_sys->p_display,
2570                                         p_adaptor[i_adaptor].base_id,
2571                                         &i_num_formats );
2572
2573         for( i_format = 0;
2574              i_format < i_num_formats && ( i_selected_port == -1 );
2575              i_format++ )
2576         {
2577             XvAttribute     *p_attr;
2578             int             i_attr, i_num_attributes;
2579             Atom            autopaint = None, colorkey = None;
2580
2581             /* If this is not the format we want, or at least a
2582              * similar one, forget it */
2583             if( !vout_ChromaCmp( p_formats[ i_format ].id, i_chroma ) )
2584             {
2585                 continue;
2586             }
2587
2588             /* Look for the first available port supporting this format */
2589             for( i_port = p_adaptor[i_adaptor].base_id;
2590                  ( i_port < (int)(p_adaptor[i_adaptor].base_id
2591                                    + p_adaptor[i_adaptor].num_ports) )
2592                    && ( i_selected_port == -1 );
2593                  i_port++ )
2594             {
2595                 if( XvGrabPort( p_vout->p_sys->p_display, i_port, CurrentTime )
2596                      == Success )
2597                 {
2598                     i_selected_port = i_port;
2599                     p_heap->i_chroma = p_formats[ i_format ].id;
2600 #if XvVersion > 2 || ( XvVersion == 2 && XvRevision >= 2 )
2601                     p_heap->i_rmask = p_formats[ i_format ].red_mask;
2602                     p_heap->i_gmask = p_formats[ i_format ].green_mask;
2603                     p_heap->i_bmask = p_formats[ i_format ].blue_mask;
2604 #endif
2605                 }
2606             }
2607
2608             /* If no free port was found, forget it */
2609             if( i_selected_port == -1 )
2610             {
2611                 continue;
2612             }
2613
2614             /* If we found a port, print information about it */
2615             msg_Dbg( p_vout, "adaptor %i, port %i, format 0x%x (%4.4s) %s",
2616                      i_adaptor, i_selected_port, p_formats[ i_format ].id,
2617                      (char *)&p_formats[ i_format ].id,
2618                      ( p_formats[ i_format ].format == XvPacked ) ?
2619                          "packed" : "planar" );
2620
2621             /* Use XV_AUTOPAINT_COLORKEY if supported, otherwise we will
2622              * manually paint the colour key */
2623             p_attr = XvQueryPortAttributes( p_vout->p_sys->p_display,
2624                                             i_selected_port,
2625                                             &i_num_attributes );
2626
2627             for( i_attr = 0; i_attr < i_num_attributes; i_attr++ )
2628             {
2629                 if( !strcmp( p_attr[i_attr].name, "XV_AUTOPAINT_COLORKEY" ) )
2630                 {
2631                     autopaint = XInternAtom( p_vout->p_sys->p_display,
2632                                              "XV_AUTOPAINT_COLORKEY", False );
2633                     XvSetPortAttribute( p_vout->p_sys->p_display,
2634                                         i_selected_port, autopaint, 1 );
2635                 }
2636                 if( !strcmp( p_attr[i_attr].name, "XV_COLORKEY" ) )
2637                 {
2638                     /* Find out the default colour key */
2639                     colorkey = XInternAtom( p_vout->p_sys->p_display,
2640                                             "XV_COLORKEY", False );
2641                     XvGetPortAttribute( p_vout->p_sys->p_display,
2642                                         i_selected_port, colorkey,
2643                                         &p_vout->p_sys->i_colourkey );
2644                 }
2645             }
2646             p_vout->p_sys->b_paint_colourkey =
2647                 autopaint == None && colorkey != None;
2648
2649             if( p_attr != NULL )
2650             {
2651                 XFree( p_attr );
2652             }
2653         }
2654
2655         if( p_formats != NULL )
2656         {
2657             XFree( p_formats );
2658         }
2659
2660     }
2661
2662     if( i_num_adaptors > 0 )
2663     {
2664         XvFreeAdaptorInfo( p_adaptor );
2665     }
2666
2667     if( i_selected_port == -1 )
2668     {
2669         int i_chroma_tmp = X112VLC_FOURCC( i_chroma );
2670         if( i_requested_adaptor == -1 )
2671         {
2672             msg_Warn( p_vout, "no free XVideo port found for format "
2673                       "0x%.8x (%4.4s)", i_chroma_tmp, (char*)&i_chroma_tmp );
2674         }
2675         else
2676         {
2677             msg_Warn( p_vout, "XVideo adaptor %i does not have a free "
2678                       "XVideo port for format 0x%.8x (%4.4s)",
2679                       i_requested_adaptor, i_chroma_tmp, (char*)&i_chroma_tmp );
2680         }
2681     }
2682
2683     return i_selected_port;
2684 }
2685
2686 /*****************************************************************************
2687  * XVideoReleasePort: release YUV12 port
2688  *****************************************************************************/
2689 static void XVideoReleasePort( vout_thread_t *p_vout, int i_port )
2690 {
2691     XvUngrabPort( p_vout->p_sys->p_display, i_port, CurrentTime );
2692 }
2693 #endif
2694
2695 /*****************************************************************************
2696  * InitDisplay: open and initialize X11 device
2697  *****************************************************************************
2698  * Create a window according to video output given size, and set other
2699  * properties according to the display properties.
2700  *****************************************************************************/
2701 static int InitDisplay( vout_thread_t *p_vout )
2702 {
2703 #ifdef MODULE_NAME_IS_x11
2704     XPixmapFormatValues *       p_formats;                 /* pixmap formats */
2705     XVisualInfo *               p_xvisual;            /* visuals information */
2706     XVisualInfo                 xvisual_template;         /* visual template */
2707     int                         i_count, i;                    /* array size */
2708 #endif
2709
2710 #ifdef HAVE_SYS_SHM_H
2711     p_vout->p_sys->i_shm_opcode = 0;
2712
2713     if( config_GetInt( p_vout, MODULE_STRING "-shm" ) > 0 )
2714     {
2715         int major, evt, err;
2716
2717         if( XQueryExtension( p_vout->p_sys->p_display, "MIT-SHM", &major,
2718                              &evt, &err )
2719          && XShmQueryExtension( p_vout->p_sys->p_display ) )
2720             p_vout->p_sys->i_shm_opcode = major;
2721
2722         if( p_vout->p_sys->i_shm_opcode )
2723         {
2724             int minor;
2725             Bool pixmaps;
2726
2727             XShmQueryVersion( p_vout->p_sys->p_display, &major, &minor,
2728                               &pixmaps );
2729             msg_Dbg( p_vout, "XShm video extension v%d.%d "
2730                      "(with%s pixmaps, opcode: %d)",
2731                      major, minor, pixmaps ? "" : "out",
2732                      p_vout->p_sys->i_shm_opcode );
2733         }
2734         else
2735             msg_Warn( p_vout, "XShm video extension not available" );
2736     }
2737     else
2738         msg_Dbg( p_vout, "XShm video extension disabled" );
2739 #endif
2740
2741 #ifdef MODULE_NAME_IS_xvideo
2742     /* XXX The brightness and contrast values should be read from environment
2743      * XXX variables... */
2744 #if 0
2745     XVideoSetAttribute( p_vout, "XV_BRIGHTNESS", 0.5 );
2746     XVideoSetAttribute( p_vout, "XV_CONTRAST",   0.5 );
2747 #endif
2748 #endif
2749
2750 #ifdef MODULE_NAME_IS_x11
2751     /* Initialize structure */
2752     p_vout->p_sys->i_screen = DefaultScreen( p_vout->p_sys->p_display );
2753
2754     /* Get screen depth */
2755     p_vout->p_sys->i_screen_depth = XDefaultDepth( p_vout->p_sys->p_display,
2756                                                    p_vout->p_sys->i_screen );
2757     switch( p_vout->p_sys->i_screen_depth )
2758     {
2759     case 8:
2760         /*
2761          * Screen depth is 8bpp. Use PseudoColor visual with private colormap.
2762          */
2763         xvisual_template.screen =   p_vout->p_sys->i_screen;
2764         xvisual_template.class =    DirectColor;
2765         p_xvisual = XGetVisualInfo( p_vout->p_sys->p_display,
2766                                     VisualScreenMask | VisualClassMask,
2767                                     &xvisual_template, &i_count );
2768         if( p_xvisual == NULL )
2769         {
2770             msg_Err( p_vout, "no PseudoColor visual available" );
2771             return VLC_EGENERIC;
2772         }
2773         p_vout->p_sys->i_bytes_per_pixel = 1;
2774         p_vout->output.pf_setpalette = SetPalette;
2775         break;
2776     case 15:
2777     case 16:
2778     case 24:
2779     default:
2780         /*
2781          * Screen depth is higher than 8bpp. TrueColor visual is used.
2782          */
2783         xvisual_template.screen =   p_vout->p_sys->i_screen;
2784         xvisual_template.class =    TrueColor;
2785 /* In some cases, we get a truecolor class adaptor that has a different
2786    color depth. So try to get a real true color one first */
2787         xvisual_template.depth =    p_vout->p_sys->i_screen_depth;
2788
2789         p_xvisual = XGetVisualInfo( p_vout->p_sys->p_display,
2790                                     VisualScreenMask | VisualClassMask |
2791                                     VisualDepthMask,
2792                                     &xvisual_template, &i_count );
2793         if( p_xvisual == NULL )
2794         {
2795             msg_Warn( p_vout, "No screen matching the required color depth" );
2796             p_xvisual = XGetVisualInfo( p_vout->p_sys->p_display,
2797                                     VisualScreenMask | VisualClassMask,
2798                                     &xvisual_template, &i_count );
2799             if( p_xvisual == NULL )
2800             {
2801
2802                 msg_Err( p_vout, "no TrueColor visual available" );
2803                 return VLC_EGENERIC;
2804             }
2805         }
2806
2807         p_vout->output.i_rmask = p_xvisual->red_mask;
2808         p_vout->output.i_gmask = p_xvisual->green_mask;
2809         p_vout->output.i_bmask = p_xvisual->blue_mask;
2810
2811         /* There is no difference yet between 3 and 4 Bpp. The only way
2812          * to find the actual number of bytes per pixel is to list supported
2813          * pixmap formats. */
2814         p_formats = XListPixmapFormats( p_vout->p_sys->p_display, &i_count );
2815         p_vout->p_sys->i_bytes_per_pixel = 0;
2816
2817         for( i = 0; i < i_count; i++ )
2818         {
2819             /* Under XFree4.0, the list contains pixmap formats available
2820              * through all video depths ; so we have to check against current
2821              * depth. */
2822             if( p_formats[i].depth == (int)p_vout->p_sys->i_screen_depth )
2823             {
2824                 if( p_formats[i].bits_per_pixel / 8
2825                         > (int)p_vout->p_sys->i_bytes_per_pixel )
2826                 {
2827                     p_vout->p_sys->i_bytes_per_pixel =
2828                         p_formats[i].bits_per_pixel / 8;
2829                 }
2830             }
2831         }
2832         if( p_formats ) XFree( p_formats );
2833
2834         break;
2835     }
2836     p_vout->p_sys->p_visual = p_xvisual->visual;
2837     XFree( p_xvisual );
2838 #endif
2839
2840     return VLC_SUCCESS;
2841 }
2842
2843 #ifndef MODULE_NAME_IS_glx
2844
2845 #ifdef HAVE_SYS_SHM_H
2846 /*****************************************************************************
2847  * CreateShmImage: create an XImage or XvImage using shared memory extension
2848  *****************************************************************************
2849  * Prepare an XImage or XvImage for display function.
2850  * The order of the operations respects the recommandations of the mit-shm
2851  * document by J.Corbet and K.Packard. Most of the parameters were copied from
2852  * there. See http://ftp.xfree86.org/pub/XFree86/4.0/doc/mit-shm.TXT
2853  *****************************************************************************/
2854 IMAGE_TYPE * CreateShmImage( vout_thread_t *p_vout,
2855                                     Display* p_display, EXTRA_ARGS_SHM,
2856                                     int i_width, int i_height )
2857 {
2858     IMAGE_TYPE *p_image;
2859     Status result;
2860
2861     /* Create XImage / XvImage */
2862 #ifdef MODULE_NAME_IS_xvideo
2863     p_image = XvShmCreateImage( p_display, i_xvport, i_chroma, 0,
2864                                 i_width, i_height, p_shm );
2865 #elif defined(MODULE_NAME_IS_xvmc)
2866     p_image = XvShmCreateImage( p_display, i_xvport, i_chroma, 0,
2867                                 i_width, i_height, p_shm );
2868 #else
2869     p_image = XShmCreateImage( p_display, p_visual, i_depth, ZPixmap, 0,
2870                                p_shm, i_width, i_height );
2871 #endif
2872     if( p_image == NULL )
2873     {
2874         msg_Err( p_vout, "image creation failed" );
2875         return NULL;
2876     }
2877
2878     /* For too big image, the buffer returned is sometimes too small, prevent
2879      * VLC to segfault because of it
2880      * FIXME is it normal ? Is there a way to detect it
2881      * before (XvQueryBestSize did not) ? */
2882     if( p_image->width < i_width || p_image->height < i_height )
2883     {
2884         msg_Err( p_vout, "cannot allocate shared image data with the right size "
2885                          "(%dx%d instead of %dx%d)",
2886                          p_image->width, p_image->height,
2887                          i_width, i_height );
2888         IMAGE_FREE( p_image );
2889         return NULL;
2890     }
2891
2892     /* Allocate shared memory segment - 0776 set the access permission
2893      * rights (like umask), they are not yet supported by all X servers */
2894     p_shm->shmid = shmget( IPC_PRIVATE, DATA_SIZE(p_image), IPC_CREAT | 0776 );
2895     if( p_shm->shmid < 0 )
2896     {
2897         msg_Err( p_vout, "cannot allocate shared image data (%m)" );
2898         IMAGE_FREE( p_image );
2899         return NULL;
2900     }
2901
2902     /* Attach shared memory segment to process (read/write) */
2903     p_shm->shmaddr = p_image->data = shmat( p_shm->shmid, 0, 0 );
2904     if(! p_shm->shmaddr )
2905     {
2906         msg_Err( p_vout, "cannot attach shared memory (%m)" );
2907         IMAGE_FREE( p_image );
2908         shmctl( p_shm->shmid, IPC_RMID, 0 );
2909         return NULL;
2910     }
2911
2912     /* Read-only data. We won't be using XShmGetImage */
2913     p_shm->readOnly = True;
2914
2915     /* Attach shared memory segment to X server */
2916     XSynchronize( p_display, True );
2917     i_shm_major = p_vout->p_sys->i_shm_opcode;
2918     result = XShmAttach( p_display, p_shm );
2919     if( result == False || !i_shm_major )
2920     {
2921         msg_Err( p_vout, "cannot attach shared memory to X server" );
2922         IMAGE_FREE( p_image );
2923         shmctl( p_shm->shmid, IPC_RMID, 0 );
2924         shmdt( p_shm->shmaddr );
2925         return NULL;
2926     }
2927     XSynchronize( p_display, False );
2928
2929     /* Send image to X server. This instruction is required, since having
2930      * built a Shm XImage and not using it causes an error on XCloseDisplay,
2931      * and remember NOT to use XFlush ! */
2932     XSync( p_display, False );
2933
2934 #if 0
2935     /* Mark the shm segment to be removed when there are no more
2936      * attachements, so it is automatic on process exit or after shmdt */
2937     shmctl( p_shm->shmid, IPC_RMID, 0 );
2938 #endif
2939
2940     return p_image;
2941 }
2942 #endif
2943
2944 /*****************************************************************************
2945  * CreateImage: create an XImage or XvImage
2946  *****************************************************************************
2947  * Create a simple image used as a buffer.
2948  *****************************************************************************/
2949 static IMAGE_TYPE * CreateImage( vout_thread_t *p_vout,
2950                                  Display *p_display, EXTRA_ARGS,
2951                                  int i_width, int i_height )
2952 {
2953     uint8_t *    p_data;                          /* image data storage zone */
2954     IMAGE_TYPE *p_image;
2955 #ifdef MODULE_NAME_IS_x11
2956     int         i_quantum;                     /* XImage quantum (see below) */
2957     int         i_bytes_per_line;
2958 #endif
2959
2960     /* Allocate memory for image */
2961 #ifdef MODULE_NAME_IS_xvideo
2962     p_data = malloc( i_width * i_height * i_bits_per_pixel / 8 );
2963 #elif defined(MODULE_NAME_IS_x11)
2964     i_bytes_per_line = i_width * i_bytes_per_pixel;
2965     p_data = malloc( i_bytes_per_line * i_height );
2966 #endif
2967     if( !p_data )
2968         return NULL;
2969
2970 #ifdef MODULE_NAME_IS_x11
2971     /* Optimize the quantum of a scanline regarding its size - the quantum is
2972        a diviser of the number of bits between the start of two scanlines. */
2973     if( i_bytes_per_line & 0xf )
2974     {
2975         i_quantum = 0x8;
2976     }
2977     else if( i_bytes_per_line & 0x10 )
2978     {
2979         i_quantum = 0x10;
2980     }
2981     else
2982     {
2983         i_quantum = 0x20;
2984     }
2985 #endif
2986
2987     /* Create XImage. p_data will be automatically freed */
2988 #ifdef MODULE_NAME_IS_xvideo
2989     p_image = XvCreateImage( p_display, i_xvport, i_chroma,
2990                              (char *)p_data, i_width, i_height );
2991 #elif defined(MODULE_NAME_IS_x11)
2992     p_image = XCreateImage( p_display, p_visual, i_depth, ZPixmap, 0,
2993                             (char *)p_data, i_width, i_height, i_quantum, 0 );
2994 #endif
2995     if( p_image == NULL )
2996     {
2997         msg_Err( p_vout, "XCreateImage() failed" );
2998         free( p_data );
2999         return NULL;
3000     }
3001
3002     return p_image;
3003 }
3004
3005 #endif
3006 /*****************************************************************************
3007  * X11ErrorHandler: replace error handler so we can intercept some of them
3008  *****************************************************************************/
3009 static int X11ErrorHandler( Display * display, XErrorEvent * event )
3010 {
3011     char txt[1024];
3012
3013     XGetErrorText( display, event->error_code, txt, sizeof( txt ) );
3014     fprintf( stderr,
3015              "[????????] x11 video output error: X11 request %u.%u failed "
3016               "with error code %u:\n %s\n",
3017              event->request_code, event->minor_code, event->error_code, txt );
3018
3019     switch( event->request_code )
3020     {
3021     case X_SetInputFocus:
3022         /* Ignore errors on XSetInputFocus()
3023          * (they happen when a window is not yet mapped) */
3024         return 0;
3025     }
3026
3027 #ifdef HAVE_SYS_SHM_H
3028     if( event->request_code == i_shm_major ) /* MIT-SHM */
3029     {
3030         fprintf( stderr,
3031                  "[????????] x11 video output notice:"
3032                  " buggy X11 server claims shared memory\n"
3033                  "[????????] x11 video output notice:"
3034                  " support though it does not work (OpenSSH?)\n" );
3035         return i_shm_major = 0;
3036     }
3037 #endif
3038
3039 #ifndef HAVE_OSSO
3040     XSetErrorHandler(NULL);
3041     return (XSetErrorHandler(X11ErrorHandler))( display, event );
3042 #else
3043     /* Work-around Maemo Xvideo bug */
3044     return 0;
3045 #endif
3046 }
3047
3048 #ifdef MODULE_NAME_IS_x11
3049 /*****************************************************************************
3050  * SetPalette: sets an 8 bpp palette
3051  *****************************************************************************
3052  * This function sets the palette given as an argument. It does not return
3053  * anything, but could later send information on which colors it was unable
3054  * to set.
3055  *****************************************************************************/
3056 static void SetPalette( vout_thread_t *p_vout,
3057                         uint16_t *red, uint16_t *green, uint16_t *blue )
3058 {
3059     int i;
3060     XColor p_colors[255];
3061
3062     /* allocate palette */
3063     for( i = 0; i < 255; i++ )
3064     {
3065         /* kludge: colors are indexed reversely because color 255 seems
3066          * to be reserved for black even if we try to set it to white */
3067         p_colors[ i ].pixel = 255 - i;
3068         p_colors[ i ].pad   = 0;
3069         p_colors[ i ].flags = DoRed | DoGreen | DoBlue;
3070         p_colors[ i ].red   = red[ 255 - i ];
3071         p_colors[ i ].blue  = blue[ 255 - i ];
3072         p_colors[ i ].green = green[ 255 - i ];
3073     }
3074
3075     XStoreColors( p_vout->p_sys->p_display,
3076                   p_vout->p_sys->colormap, p_colors, 255 );
3077 }
3078 #endif
3079
3080 /*****************************************************************************
3081  * Control: control facility for the vout
3082  *****************************************************************************/
3083 static int Control( vout_thread_t *p_vout, int i_query, va_list args )
3084 {
3085     bool b_arg;
3086     unsigned int i_width, i_height;
3087
3088     switch( i_query )
3089     {
3090         case VOUT_SET_SIZE:
3091             if( p_vout->p_sys->p_win->owner_window )
3092                 return vout_ControlWindow( p_vout->p_sys->p_win->owner_window,
3093                                            i_query, args);
3094
3095             i_width  = va_arg( args, unsigned int );
3096             i_height = va_arg( args, unsigned int );
3097             if( !i_width ) i_width = p_vout->i_window_width;
3098             if( !i_height ) i_height = p_vout->i_window_height;
3099
3100 #ifdef MODULE_NAME_IS_xvmc
3101             xvmc_context_reader_lock( &p_vout->p_sys->xvmc_lock );
3102 #endif
3103             /* Update dimensions */
3104             XResizeWindow( p_vout->p_sys->p_display,
3105                            p_vout->p_sys->p_win->base_window,
3106                            i_width, i_height );
3107 #ifdef MODULE_NAME_IS_xvmc
3108             xvmc_context_reader_unlock( &p_vout->p_sys->xvmc_lock );
3109 #endif
3110             return VLC_SUCCESS;
3111
3112         case VOUT_SET_STAY_ON_TOP:
3113             if( p_vout->p_sys->p_win->owner_window )
3114                 return vout_ControlWindow( p_vout->p_sys->p_win->owner_window,
3115                                            i_query, args);
3116
3117             b_arg = (bool) va_arg( args, int );
3118 #ifdef MODULE_NAME_IS_xvmc
3119             xvmc_context_reader_lock( &p_vout->p_sys->xvmc_lock );
3120 #endif
3121             WindowOnTop( p_vout, b_arg );
3122 #ifdef MODULE_NAME_IS_xvmc
3123             xvmc_context_reader_unlock( &p_vout->p_sys->xvmc_lock );
3124 #endif
3125             return VLC_SUCCESS;
3126
3127        default:
3128             return VLC_EGENERIC;
3129     }
3130 }
3131
3132 /*****************************************************************************
3133  * TestNetWMSupport: tests for Extended Window Manager Hints support
3134  *****************************************************************************/
3135 static void TestNetWMSupport( vout_thread_t *p_vout )
3136 {
3137     int i_ret, i_format;
3138     unsigned long i, i_items, i_bytesafter;
3139     Atom net_wm_supported;
3140     union { Atom *p_atom; unsigned char *p_char; } p_args;
3141
3142     p_args.p_atom = NULL;
3143
3144     p_vout->p_sys->b_net_wm_state_fullscreen =
3145     p_vout->p_sys->b_net_wm_state_above =
3146     p_vout->p_sys->b_net_wm_state_below =
3147     p_vout->p_sys->b_net_wm_state_stays_on_top =
3148         false;
3149
3150     net_wm_supported =
3151         XInternAtom( p_vout->p_sys->p_display, "_NET_SUPPORTED", False );
3152
3153     i_ret = XGetWindowProperty( p_vout->p_sys->p_display,
3154                                 DefaultRootWindow( p_vout->p_sys->p_display ),
3155                                 net_wm_supported,
3156                                 0, 16384, False, AnyPropertyType,
3157                                 &net_wm_supported,
3158                                 &i_format, &i_items, &i_bytesafter,
3159                                 (unsigned char **)&p_args );
3160
3161     if( i_ret != Success || i_items == 0 ) return;
3162
3163     msg_Dbg( p_vout, "Window manager supports NetWM" );
3164
3165     p_vout->p_sys->net_wm_state =
3166         XInternAtom( p_vout->p_sys->p_display, "_NET_WM_STATE", False );
3167     p_vout->p_sys->net_wm_state_fullscreen =
3168         XInternAtom( p_vout->p_sys->p_display, "_NET_WM_STATE_FULLSCREEN",
3169                      False );
3170     p_vout->p_sys->net_wm_state_above =
3171         XInternAtom( p_vout->p_sys->p_display, "_NET_WM_STATE_ABOVE", False );
3172     p_vout->p_sys->net_wm_state_below =
3173         XInternAtom( p_vout->p_sys->p_display, "_NET_WM_STATE_BELOW", False );
3174     p_vout->p_sys->net_wm_state_stays_on_top =
3175         XInternAtom( p_vout->p_sys->p_display, "_NET_WM_STATE_STAYS_ON_TOP",
3176                      False );
3177
3178     for( i = 0; i < i_items; i++ )
3179     {
3180         if( p_args.p_atom[i] == p_vout->p_sys->net_wm_state_fullscreen )
3181         {
3182             msg_Dbg( p_vout,
3183                      "Window manager supports _NET_WM_STATE_FULLSCREEN" );
3184             p_vout->p_sys->b_net_wm_state_fullscreen = true;
3185         }
3186         else if( p_args.p_atom[i] == p_vout->p_sys->net_wm_state_above )
3187         {
3188             msg_Dbg( p_vout, "Window manager supports _NET_WM_STATE_ABOVE" );
3189             p_vout->p_sys->b_net_wm_state_above = true;
3190         }
3191         else if( p_args.p_atom[i] == p_vout->p_sys->net_wm_state_below )
3192         {
3193             msg_Dbg( p_vout, "Window manager supports _NET_WM_STATE_BELOW" );
3194             p_vout->p_sys->b_net_wm_state_below = true;
3195         }
3196         else if( p_args.p_atom[i] == p_vout->p_sys->net_wm_state_stays_on_top )
3197         {
3198             msg_Dbg( p_vout,
3199                      "Window manager supports _NET_WM_STATE_STAYS_ON_TOP" );
3200             p_vout->p_sys->b_net_wm_state_stays_on_top = true;
3201         }
3202     }
3203
3204     XFree( p_args.p_atom );
3205 }
3206
3207 /*****************************************************************************
3208  * Key events handling
3209  *****************************************************************************/
3210 static const struct
3211 {
3212     int i_x11key;
3213     int i_vlckey;
3214
3215 } x11keys_to_vlckeys[] =
3216 {
3217     { XK_F1, KEY_F1 }, { XK_F2, KEY_F2 }, { XK_F3, KEY_F3 }, { XK_F4, KEY_F4 },
3218     { XK_F5, KEY_F5 }, { XK_F6, KEY_F6 }, { XK_F7, KEY_F7 }, { XK_F8, KEY_F8 },
3219     { XK_F9, KEY_F9 }, { XK_F10, KEY_F10 }, { XK_F11, KEY_F11 },
3220     { XK_F12, KEY_F12 },
3221
3222     { XK_Return, KEY_ENTER },
3223     { XK_KP_Enter, KEY_ENTER },
3224     { XK_space, KEY_SPACE },
3225     { XK_Escape, KEY_ESC },
3226
3227     { XK_Menu, KEY_MENU },
3228     { XK_Left, KEY_LEFT },
3229     { XK_Right, KEY_RIGHT },
3230     { XK_Up, KEY_UP },
3231     { XK_Down, KEY_DOWN },
3232
3233     { XK_Home, KEY_HOME },
3234     { XK_End, KEY_END },
3235     { XK_Page_Up, KEY_PAGEUP },
3236     { XK_Page_Down, KEY_PAGEDOWN },
3237
3238     { XK_Insert, KEY_INSERT },
3239     { XK_Delete, KEY_DELETE },
3240     { XF86XK_AudioNext, KEY_MEDIA_NEXT_TRACK},
3241     { XF86XK_AudioPrev, KEY_MEDIA_PREV_TRACK},
3242     { XF86XK_AudioMute, KEY_VOLUME_MUTE },
3243     { XF86XK_AudioLowerVolume, KEY_VOLUME_DOWN },
3244     { XF86XK_AudioRaiseVolume, KEY_VOLUME_UP },
3245     { XF86XK_AudioPlay, KEY_MEDIA_PLAY_PAUSE },
3246     { XF86XK_AudioPause, KEY_MEDIA_PLAY_PAUSE },
3247
3248     { 0, 0 }
3249 };
3250
3251 static int ConvertKey( int i_key )
3252 {
3253     int i;
3254
3255     for( i = 0; x11keys_to_vlckeys[i].i_x11key != 0; i++ )
3256     {
3257         if( x11keys_to_vlckeys[i].i_x11key == i_key )
3258         {
3259             return x11keys_to_vlckeys[i].i_vlckey;
3260         }
3261     }
3262
3263     return 0;
3264 }
3265
3266 /*****************************************************************************
3267  * WindowOnTop: Switches the "always on top" state of the video window.
3268  *****************************************************************************/
3269 static int WindowOnTop( vout_thread_t *p_vout, bool b_on_top )
3270 {
3271     XClientMessageEvent event;
3272
3273     memset( &event, 0, sizeof( XClientMessageEvent ) );
3274     event.type = ClientMessage;
3275     event.message_type = p_vout->p_sys->net_wm_state;
3276     event.display = p_vout->p_sys->p_display;
3277     event.window = p_vout->p_sys->p_win->base_window;
3278     event.format = 32;
3279     event.data.l[ 0 ] = b_on_top; /* set property */
3280
3281     if( p_vout->p_sys->b_net_wm_state_stays_on_top )
3282         event.data.l[ 1 ] = p_vout->p_sys->net_wm_state_stays_on_top;
3283     else if( p_vout->p_sys->b_net_wm_state_above )
3284         /* use _NET_WM_STATE_ABOVE if window manager
3285          * doesn't handle _NET_WM_STATE_STAYS_ON_TOP */
3286         event.data.l[ 1 ] = p_vout->p_sys->net_wm_state_above;
3287     else
3288         return VLC_EGENERIC;
3289
3290     XSendEvent( p_vout->p_sys->p_display,
3291                 DefaultRootWindow( p_vout->p_sys->p_display ),
3292                 False, SubstructureRedirectMask,
3293                 (XEvent*)&event );
3294     return VLC_SUCCESS;
3295 }