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