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, picture_heap_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 );
 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 );
 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 );
 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 #if XvVersion < 2 || ( XvVersion == 2 && XvRevision < 2 )
 825     switch( p_vout->output.i_chroma )
 826     {
 827         case VLC_FOURCC('R','V','1','6'):
 828 #if defined( WORDS_BIGENDIAN )
 829             p_vout->output.i_rmask = 0xf800;
 830             p_vout->output.i_gmask = 0x07e0;
 831             p_vout->output.i_bmask = 0x001f;
 832 #else
 833             p_vout->output.i_rmask = 0x001f;
 834             p_vout->output.i_gmask = 0x07e0;
 835             p_vout->output.i_bmask = 0xf800;
 836 #endif
 837             break;
 838         case VLC_FOURCC('R','V','1','5'):
 839 #if defined( WORDS_BIGENDIAN )
 840             p_vout->output.i_rmask = 0x7c00;
 841             p_vout->output.i_gmask = 0x03e0;
 842             p_vout->output.i_bmask = 0x001f;
 843 #else
 844             p_vout->output.i_rmask = 0x001f;
 845             p_vout->output.i_gmask = 0x03e0;
 846             p_vout->output.i_bmask = 0x7c00;
 847 #endif
 848             break;
 849     }
 850 #endif
 851
 852 #elif defined(MODULE_NAME_IS_x11)
 853     /* Initialize the output structure: RGB with square pixels, whatever
 854      * the input format is, since it's the only format we know */
 855     switch( p_vout->p_sys->i_screen_depth )
 856     {
 857         case 8: /* FIXME: set the palette */
 858             p_vout->output.i_chroma = VLC_FOURCC('R','G','B','2'); break;
 859         case 15:
 860             p_vout->output.i_chroma = VLC_FOURCC('R','V','1','5'); break;
 861         case 16:
 862             p_vout->output.i_chroma = VLC_FOURCC('R','V','1','6'); break;
 863         case 24:
 864         case 32:
 865             p_vout->output.i_chroma = VLC_FOURCC('R','V','3','2'); break;
 866         default:
 867             msg_Err( p_vout, "unknown screen depth %i",
 868                      p_vout->p_sys->i_screen_depth );
 869             return VLC_SUCCESS;
 870     }
 871
 872 #ifdef HAVE_XSP
 873     vout_PlacePicture( p_vout, p_vout->p_sys->p_win->i_width  / p_vout->p_sys->i_hw_scale,
 874                        p_vout->p_sys->p_win->i_height  / p_vout->p_sys->i_hw_scale,
 875                        &i_index, &i_index,
 876                        &p_vout->fmt_out.i_visible_width,
 877                        &p_vout->fmt_out.i_visible_height );
 878 #else
 879     vout_PlacePicture( p_vout, p_vout->p_sys->p_win->i_width,
 880                        p_vout->p_sys->p_win->i_height,
 881                        &i_index, &i_index,
 882                        &p_vout->fmt_out.i_visible_width,
 883                        &p_vout->fmt_out.i_visible_height );
 884 #endif
 885
 886     p_vout->fmt_out.i_chroma = p_vout->output.i_chroma;
 887
 888     p_vout->output.i_width = p_vout->fmt_out.i_width =
 889         p_vout->fmt_out.i_visible_width * p_vout->fmt_in.i_width /
 890         p_vout->fmt_in.i_visible_width;
 891     p_vout->output.i_height = p_vout->fmt_out.i_height =
 892         p_vout->fmt_out.i_visible_height * p_vout->fmt_in.i_height /
 893         p_vout->fmt_in.i_visible_height;
 894     p_vout->fmt_out.i_x_offset =
 895         p_vout->fmt_out.i_visible_width * p_vout->fmt_in.i_x_offset /
 896         p_vout->fmt_in.i_visible_width;
 897     p_vout->fmt_out.i_y_offset =
 898         p_vout->fmt_out.i_visible_height * p_vout->fmt_in.i_y_offset /
 899         p_vout->fmt_in.i_visible_height;
 900
 901     p_vout->fmt_out.i_sar_num = p_vout->fmt_out.i_sar_den = 1;
 902     p_vout->output.i_aspect = p_vout->fmt_out.i_aspect =
 903         p_vout->fmt_out.i_width * VOUT_ASPECT_FACTOR /p_vout->fmt_out.i_height;
 904
 905     msg_Dbg( p_vout, "x11 image size %ix%i (%i,%i,%ix%i)",
 906              p_vout->fmt_out.i_width, p_vout->fmt_out.i_height,
 907              p_vout->fmt_out.i_x_offset, p_vout->fmt_out.i_y_offset,
 908              p_vout->fmt_out.i_visible_width,
 909              p_vout->fmt_out.i_visible_height );
 910 #endif
 911
 912     /* Try to initialize up to MAX_DIRECTBUFFERS direct buffers */
 913     while( I_OUTPUTPICTURES < MAX_DIRECTBUFFERS )
 914     {
 915         p_pic = NULL;
 916
 917         /* Find an empty picture slot */
 918         for( i_index = 0 ; i_index < VOUT_MAX_PICTURES ; i_index++ )
 919         {
 920           if( p_vout->p_picture[ i_index ].i_status == FREE_PICTURE )
 921             {
 922                 p_pic = p_vout->p_picture + i_index;
 923                 break;
 924             }
 925         }
 926
 927         /* Allocate the picture */
 928         if( p_pic == NULL || NewPicture( p_vout, p_pic ) )
 929         {
 930             break;
 931         }
 932
 933         p_pic->i_status = DESTROYED_PICTURE;
 934         p_pic->i_type   = DIRECT_PICTURE;
 935
 936         PP_OUTPUTPICTURE[ I_OUTPUTPICTURES ] = p_pic;
 937
 938         I_OUTPUTPICTURES++;
 939     }
 940
 941     if( p_vout->output.i_chroma == VLC_FOURCC('Y','V','1','2') )
 942     {
 943         /* U and V inverted compared to I420
 944          * Fixme: this should be handled by the vout core */
 945         p_vout->output.i_chroma = VLC_FOURCC('I','4','2','0');
 946         p_vout->fmt_out.i_chroma = VLC_FOURCC('I','4','2','0');
 947     }
 948
 949     return VLC_SUCCESS;
 950 }
 951
 952 /*****************************************************************************
 953  * DisplayVideo: displays previously rendered output
 954  *****************************************************************************
 955  * This function sends the currently rendered image to X11 server.
 956  * (The Xv extension takes care of "double-buffering".)
 957  *****************************************************************************/
 958 static void DisplayVideo( vout_thread_t *p_vout, picture_t *p_pic )
 959 {
 960     unsigned int i_width, i_height, i_x, i_y;
 961
 962     vout_PlacePicture( p_vout, p_vout->p_sys->p_win->i_width,
 963                        p_vout->p_sys->p_win->i_height,
 964                        &i_x, &i_y, &i_width, &i_height );
 965
 966     vlc_mutex_lock( &p_vout->p_sys->lock );
 967
 968 #ifdef MODULE_NAME_IS_xvmc
 969     xvmc_context_reader_lock( &p_vout->p_sys->xvmc_lock );
 970
 971     vlc_xxmc_t *xxmc = &p_pic->p_sys->xxmc_data;
 972     if( !xxmc->decoded ||
 973         !xxmc_xvmc_surface_valid( p_vout, p_pic->p_sys->xvmc_surf ) )
 974     {
 975       msg_Dbg( p_vout, "DisplayVideo decoded=%d\tsurfacevalid=%d",
 976                xxmc->decoded,
 977                xxmc_xvmc_surface_valid( p_vout, p_pic->p_sys->xvmc_surf ) );
 978       vlc_mutex_unlock( &p_vout->p_sys->lock );
 979       xvmc_context_reader_unlock( &p_vout->p_sys->xvmc_lock );
 980       return;
 981     }
 982
 983     int src_width = p_vout->output.i_width;
 984     int src_height = p_vout->output.i_height;
 985     int src_x, src_y;
 986
 987     if( p_vout->p_sys->xvmc_crop_style == 1 )
 988     {
 989         src_x = 20;
 990         src_y = 20;
 991         src_width -= 40;
 992         src_height -= 40;
 993     }
 994     else if( p_vout->p_sys->xvmc_crop_style == 2 )
 995     {
 996         src_x = 20;
 997         src_y = 40;
 998         src_width -= 40;
 999         src_height -= 80;
1000     }
1001     else if( p_vout->p_sys->xvmc_crop_style == 3 )
1002     {
1003         src_x = 40;
1004         src_y = 20;
1005         src_width -= 80;
1006         src_height -= 40;
1007     }
1008     else
1009     {
1010         src_x = 0;
1011         src_y = 0;
1012     }
1013
1014     int first_field;
1015     if( p_vout->p_sys->xvmc_deinterlace_method > 0 )
1016     {   /* BOB DEINTERLACE */
1017         if( (p_pic->p_sys->nb_display == 0) ||
1018             (p_vout->p_sys->xvmc_deinterlace_method == 1) )
1019         {
1020             first_field = (p_pic->b_top_field_first) ?
1021                                 XVMC_BOTTOM_FIELD : XVMC_TOP_FIELD;
1022         }
1023         else
1024         {
1025             first_field = (p_pic->b_top_field_first) ?
1026                                 XVMC_TOP_FIELD : XVMC_BOTTOM_FIELD;
1027         }
1028     }
1029     else
1030     {
1031         first_field = XVMC_FRAME_PICTURE;
1032      }
1033
1034     XVMCLOCKDISPLAY( p_vout->p_sys->p_display );
1035     XvMCFlushSurface( p_vout->p_sys->p_display, p_pic->p_sys->xvmc_surf );
1036     /* XvMCSyncSurface(p_vout->p_sys->p_display, p_picture->p_sys->xvmc_surf); */
1037     XvMCPutSurface( p_vout->p_sys->p_display,
1038                     p_pic->p_sys->xvmc_surf,
1039                     p_vout->p_sys->p_win->video_window,
1040                     src_x,
1041                     src_y,
1042                     src_width,
1043                     src_height,
1044                     0 /*dest_x*/,
1045                     0 /*dest_y*/,
1046                     i_width,
1047                     i_height,
1048                     first_field);
1049
1050     XVMCUNLOCKDISPLAY( p_vout->p_sys->p_display );
1051     if( p_vout->p_sys->xvmc_deinterlace_method == 2 )
1052     {   /* BOB DEINTERLACE */
1053         if( p_pic->p_sys->nb_display == 0 )/* && ((t2-t1) < 15000)) */
1054         {
1055             mtime_t last_date = p_pic->date;
1056
1057             vlc_mutex_lock( &p_vout->picture_lock );
1058             if( !p_vout->p_sys->last_date )
1059             {
1060                 p_pic->date += 20000;
1061             }
1062             else
1063             {
1064                 p_pic->date = ((3 * p_pic->date -
1065                                     p_vout->p_sys->last_date) / 2 );
1066             }
1067             p_vout->p_sys->last_date = last_date;
1068             p_pic->b_force = 1;
1069             p_pic->p_sys->nb_display = 1;
1070             vlc_mutex_unlock( &p_vout->picture_lock );
1071         }
1072         else
1073         {
1074             p_pic->p_sys->nb_display = 0;
1075             p_pic->b_force = 0;
1076         }
1077     }
1078     xvmc_context_reader_unlock( &p_vout->p_sys->xvmc_lock );
1079 #endif
1080
1081 #ifdef HAVE_SYS_SHM_H
1082     if( p_vout->p_sys->i_shm_opcode )
1083     {
1084         /* Display rendered image using shared memory extension */
1085 #   if defined(MODULE_NAME_IS_xvideo) || defined(MODULE_NAME_IS_xvmc)
1086         XvShmPutImage( p_vout->p_sys->p_display, p_vout->p_sys->i_xvport,
1087                        p_vout->p_sys->p_win->video_window,
1088                        p_vout->p_sys->p_win->gc, p_pic->p_sys->p_image,
1089                        p_vout->fmt_out.i_x_offset,
1090                        p_vout->fmt_out.i_y_offset,
1091                        p_vout->fmt_out.i_visible_width,
1092                        p_vout->fmt_out.i_visible_height,
1093                        0 /*dest_x*/, 0 /*dest_y*/, i_width, i_height,
1094                        False /* Don't put True here or you'll waste your CPU */ );
1095 #   else
1096         XShmPutImage( p_vout->p_sys->p_display,
1097                       p_vout->p_sys->p_win->video_window,
1098                       p_vout->p_sys->p_win->gc, p_pic->p_sys->p_image,
1099                       p_vout->fmt_out.i_x_offset,
1100                       p_vout->fmt_out.i_y_offset,
1101                       0 /*dest_x*/, 0 /*dest_y*/,
1102                       p_vout->fmt_out.i_visible_width,
1103                       p_vout->fmt_out.i_visible_height,
1104                       False /* Don't put True here ! */ );
1105 #   endif
1106     }
1107     else
1108 #endif /* HAVE_SYS_SHM_H */
1109     {
1110         /* Use standard XPutImage -- this is gonna be slow ! */
1111 #if defined(MODULE_NAME_IS_xvideo) || defined(MODULE_NAME_IS_xvmc)
1112         XvPutImage( p_vout->p_sys->p_display, p_vout->p_sys->i_xvport,
1113                     p_vout->p_sys->p_win->video_window,
1114                     p_vout->p_sys->p_win->gc, p_pic->p_sys->p_image,
1115                     p_vout->fmt_out.i_x_offset,
1116                     p_vout->fmt_out.i_y_offset,
1117                     p_vout->fmt_out.i_visible_width,
1118                     p_vout->fmt_out.i_visible_height,
1119                     0 /*dest_x*/, 0 /*dest_y*/, i_width, i_height );
1120 #else
1121         XPutImage( p_vout->p_sys->p_display,
1122                    p_vout->p_sys->p_win->video_window,
1123                    p_vout->p_sys->p_win->gc, p_pic->p_sys->p_image,
1124                    p_vout->fmt_out.i_x_offset,
1125                    p_vout->fmt_out.i_y_offset,
1126                    0 /*dest_x*/, 0 /*dest_y*/,
1127                    p_vout->fmt_out.i_visible_width,
1128                    p_vout->fmt_out.i_visible_height );
1129 #endif
1130     }
1131
1132     /* Make sure the command is sent now - do NOT use XFlush !*/
1133     XSync( p_vout->p_sys->p_display, False );
1134
1135     vlc_mutex_unlock( &p_vout->p_sys->lock );
1136 }
1137
1138 /*****************************************************************************
1139  * ManageVideo: handle X11 events
1140  *****************************************************************************
1141  * This function should be called regularly by video output thread. It manages
1142  * X11 events and allows window resizing. It returns a non null value on
1143  * error.
1144  *****************************************************************************/
1145 static int ManageVideo( vout_thread_t *p_vout )
1146 {
1147     XEvent      xevent;                                         /* X11 event */
1148     vlc_value_t val;
1149
1150     vlc_mutex_lock( &p_vout->p_sys->lock );
1151
1152 #ifdef MODULE_NAME_IS_xvmc
1153     xvmc_context_reader_lock( &p_vout->p_sys->xvmc_lock );
1154 #endif
1155
1156     /* Handle events from the owner window */
1157     if( p_vout->p_sys->p_win->owner_window )
1158     {
1159         while( XCheckWindowEvent( p_vout->p_sys->p_display,
1160                                   p_vout->p_sys->p_win->owner_window,
1161                                   StructureNotifyMask, &xevent ) == True )
1162         {
1163             /* ConfigureNotify event: prepare  */
1164             if( xevent.type == ConfigureNotify )
1165             {
1166                 /* Update dimensions */
1167                 XResizeWindow( p_vout->p_sys->p_display,
1168                                p_vout->p_sys->p_win->base_window,
1169                                xevent.xconfigure.width,
1170                                xevent.xconfigure.height );
1171             }
1172         }
1173     }
1174
1175     /* Handle X11 events: ConfigureNotify events are parsed to know if the
1176      * output window's size changed, MapNotify and UnmapNotify to know if the
1177      * window is mapped (and if the display is useful), and ClientMessages
1178      * to intercept window destruction requests */
1179
1180     while( XCheckWindowEvent( p_vout->p_sys->p_display,
1181                               p_vout->p_sys->p_win->base_window,
1182                               StructureNotifyMask | KeyPressMask |
1183                               ButtonPressMask | ButtonReleaseMask |
1184                               PointerMotionMask | Button1MotionMask , &xevent )
1185            == True )
1186     {
1187         /* ConfigureNotify event: prepare  */
1188         if( xevent.type == ConfigureNotify )
1189         {
1190             if( (unsigned int)xevent.xconfigure.width
1191                    != p_vout->p_sys->p_win->i_width
1192               || (unsigned int)xevent.xconfigure.height
1193                     != p_vout->p_sys->p_win->i_height )
1194             {
1195                 /* Update dimensions */
1196                 p_vout->i_changes |= VOUT_SIZE_CHANGE;
1197                 p_vout->p_sys->p_win->i_width = xevent.xconfigure.width;
1198                 p_vout->p_sys->p_win->i_height = xevent.xconfigure.height;
1199             }
1200         }
1201         /* Keyboard event */
1202         else if( xevent.type == KeyPress )
1203         {
1204             unsigned int state = xevent.xkey.state;
1205             KeySym x_key_symbol;
1206             char i_key;                                   /* ISO Latin-1 key */
1207
1208             /* We may have keys like F1 trough F12, ESC ... */
1209             x_key_symbol = XKeycodeToKeysym( p_vout->p_sys->p_display,
1210                                              xevent.xkey.keycode, 0 );
1211             val.i_int = ConvertKey( (int)x_key_symbol );
1212
1213             xevent.xkey.state &= ~ShiftMask;
1214             xevent.xkey.state &= ~ControlMask;
1215             xevent.xkey.state &= ~Mod1Mask;
1216
1217             if( !val.i_int &&
1218                 XLookupString( &xevent.xkey, &i_key, 1, NULL, NULL ) )
1219             {
1220                 /* "Normal Keys"
1221                  * The reason why I use this instead of XK_0 is that
1222                  * with XLookupString, we don't have to care about
1223                  * keymaps. */
1224                 val.i_int = i_key;
1225             }
1226
1227             if( val.i_int )
1228             {
1229                 if( state & ShiftMask )
1230                 {
1231                     val.i_int |= KEY_MODIFIER_SHIFT;
1232                 }
1233                 if( state & ControlMask )
1234                 {
1235                     val.i_int |= KEY_MODIFIER_CTRL;
1236                 }
1237                 if( state & Mod1Mask )
1238                 {
1239                     val.i_int |= KEY_MODIFIER_ALT;
1240                 }
1241                 var_Set( p_vout->p_libvlc, "key-pressed", val );
1242             }
1243         }
1244         /* Mouse click */
1245         else if( xevent.type == ButtonPress )
1246         {
1247             switch( ((XButtonEvent *)&xevent)->button )
1248             {
1249                 case Button1:
1250                     var_Get( p_vout, "mouse-button-down", &val );
1251                     val.i_int |= 1;
1252                     var_Set( p_vout, "mouse-button-down", val );
1253
1254                     /* detect double-clicks */
1255                     if( ( ((XButtonEvent *)&xevent)->time -
1256                           p_vout->p_sys->i_time_button_last_pressed ) < 300 )
1257                     {
1258                         p_vout->i_changes |= VOUT_FULLSCREEN_CHANGE;
1259                     }
1260
1261                     p_vout->p_sys->i_time_button_last_pressed =
1262                         ((XButtonEvent *)&xevent)->time;
1263                     break;
1264                 case Button2:
1265                     var_Get( p_vout, "mouse-button-down", &val );
1266                     val.i_int |= 2;
1267                     var_Set( p_vout, "mouse-button-down", val );
1268                     break;
1269
1270                 case Button3:
1271                     var_Get( p_vout, "mouse-button-down", &val );
1272                     val.i_int |= 4;
1273                     var_Set( p_vout, "mouse-button-down", val );
1274                     break;
1275
1276                 case Button4:
1277                     var_Get( p_vout, "mouse-button-down", &val );
1278                     val.i_int |= 8;
1279                     var_Set( p_vout, "mouse-button-down", val );
1280                     break;
1281
1282                 case Button5:
1283                     var_Get( p_vout, "mouse-button-down", &val );
1284                     val.i_int |= 16;
1285                     var_Set( p_vout, "mouse-button-down", val );
1286                     break;
1287             }
1288         }
1289         /* Mouse release */
1290         else if( xevent.type == ButtonRelease )
1291         {
1292             switch( ((XButtonEvent *)&xevent)->button )
1293             {
1294                 case Button1:
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
1324                         var_Get( p_vout, "mouse-button-down", &val );
1325                         val.i_int &= ~4;
1326                         var_Set( p_vout, "mouse-button-down", val );
1327                         p_intf = vlc_object_find( p_vout, VLC_OBJECT_INTF,
1328                                                           FIND_ANYWHERE );
1329                         if( p_intf )
1330                         {
1331                             p_intf->b_menu_change = 1;
1332                             vlc_object_release( p_intf );
1333                         }
1334
1335                         vlc_value_t val; val.b_bool = true;
1336                         var_Set( p_vout->p_libvlc, "intf-popupmenu", val );
1337                     }
1338                     break;
1339
1340                 case Button4:
1341                     var_Get( p_vout, "mouse-button-down", &val );
1342                     val.i_int &= ~8;
1343                     var_Set( p_vout, "mouse-button-down", val );
1344                     break;
1345
1346                 case Button5:
1347                     var_Get( p_vout, "mouse-button-down", &val );
1348                     val.i_int &= ~16;
1349                     var_Set( p_vout, "mouse-button-down", val );
1350                     break;
1351
1352             }
1353         }
1354         /* Mouse move */
1355         else if( xevent.type == MotionNotify )
1356         {
1357             unsigned int i_width, i_height, i_x, i_y;
1358             vlc_value_t val;
1359
1360             /* somewhat different use for vout_PlacePicture:
1361              * here the values are needed to give to mouse coordinates
1362              * in the original picture space */
1363             vout_PlacePicture( p_vout, p_vout->p_sys->p_win->i_width,
1364                                p_vout->p_sys->p_win->i_height,
1365                                &i_x, &i_y, &i_width, &i_height );
1366
1367             /* Compute the x coordinate and check if the value is
1368                in [0,p_vout->fmt_in.i_visible_width] */
1369             val.i_int = ( xevent.xmotion.x - i_x ) *
1370                 p_vout->fmt_in.i_visible_width / i_width +
1371                 p_vout->fmt_in.i_x_offset;
1372
1373             if( (int)(xevent.xmotion.x - i_x) < 0 )
1374                 val.i_int = 0;
1375             else if( (unsigned int)val.i_int > p_vout->fmt_in.i_visible_width )
1376                 val.i_int = p_vout->fmt_in.i_visible_width;
1377
1378             var_Set( p_vout, "mouse-x", val );
1379
1380             /* compute the y coordinate and check if the value is
1381                in [0,p_vout->fmt_in.i_visible_height] */
1382             val.i_int = ( xevent.xmotion.y - i_y ) *
1383                 p_vout->fmt_in.i_visible_height / i_height +
1384                 p_vout->fmt_in.i_y_offset;
1385
1386             if( (int)(xevent.xmotion.y - i_y) < 0 )
1387                 val.i_int = 0;
1388             else if( (unsigned int)val.i_int > p_vout->fmt_in.i_visible_height )
1389                 val.i_int = p_vout->fmt_in.i_visible_height;
1390
1391             var_Set( p_vout, "mouse-y", val );
1392
1393             val.b_bool = true;
1394             var_Set( p_vout, "mouse-moved", val );
1395
1396             p_vout->p_sys->i_time_mouse_last_moved = mdate();
1397             if( ! p_vout->p_sys->b_mouse_pointer_visible )
1398             {
1399                 ToggleCursor( p_vout );
1400             }
1401         }
1402         else if( xevent.type == ReparentNotify /* XXX: why do we get this? */
1403                   || xevent.type == MapNotify
1404                   || xevent.type == UnmapNotify )
1405         {
1406             /* Ignore these events */
1407         }
1408         else /* Other events */
1409         {
1410             msg_Warn( p_vout, "unhandled event %d received", xevent.type );
1411         }
1412     }
1413
1414     /* Handle events for video output sub-window */
1415     while( XCheckWindowEvent( p_vout->p_sys->p_display,
1416                               p_vout->p_sys->p_win->video_window,
1417                               ExposureMask, &xevent ) == True )
1418     {
1419         /* Window exposed (only handled if stream playback is paused) */
1420         if( xevent.type == Expose )
1421         {
1422             if( ((XExposeEvent *)&xevent)->count == 0 )
1423             {
1424                 /* (if this is the last a collection of expose events...) */
1425
1426 #if defined(MODULE_NAME_IS_xvideo)
1427                 x11_window_t *p_win = p_vout->p_sys->p_win;
1428
1429                 /* Paint the colour key if needed */
1430                 if( p_vout->p_sys->b_paint_colourkey &&
1431                     xevent.xexpose.window == p_win->video_window )
1432                 {
1433                     XSetForeground( p_vout->p_sys->p_display,
1434                                     p_win->gc, p_vout->p_sys->i_colourkey );
1435                     XFillRectangle( p_vout->p_sys->p_display,
1436                                     p_win->video_window, p_win->gc, 0, 0,
1437                                     p_win->i_width, p_win->i_height );
1438                 }
1439 #endif
1440
1441 #if 0
1442                 if( p_vout->p_libvlc->p_input_bank->pp_input[0] != NULL )
1443                 {
1444                     if( PAUSE_S == p_vout->p_libvlc->p_input_bank->pp_input[0]
1445                                                    ->stream.control.i_status )
1446                     {
1447                         /* XVideoDisplay( p_vout )*/;
1448                     }
1449                 }
1450 #endif
1451             }
1452         }
1453     }
1454
1455     /* ClientMessage event - only WM_PROTOCOLS with WM_DELETE_WINDOW data
1456      * are handled - according to the man pages, the format is always 32
1457      * in this case */
1458     while( XCheckTypedEvent( p_vout->p_sys->p_display,
1459                              ClientMessage, &xevent ) )
1460     {
1461         if( (xevent.xclient.message_type == p_vout->p_sys->p_win->wm_protocols)
1462                && ((Atom)xevent.xclient.data.l[0]
1463                      == p_vout->p_sys->p_win->wm_delete_window ) )
1464         {
1465             /* the user wants to close the window */
1466             playlist_t * p_playlist = pl_Hold( p_vout );
1467             if( p_playlist != NULL )
1468             {
1469                 playlist_Stop( p_playlist );
1470                 pl_Release( p_vout );
1471             }
1472         }
1473     }
1474
1475     /*
1476      * Fullscreen Change
1477      */
1478     if ( p_vout->i_changes & VOUT_FULLSCREEN_CHANGE )
1479     {
1480         /* Update the object variable and trigger callback */
1481         var_SetBool( p_vout, "fullscreen", !p_vout->b_fullscreen );
1482
1483         ToggleFullScreen( p_vout );
1484         p_vout->i_changes &= ~VOUT_FULLSCREEN_CHANGE;
1485     }
1486
1487     if( p_vout->i_changes & VOUT_CROP_CHANGE ||
1488         p_vout->i_changes & VOUT_ASPECT_CHANGE )
1489     {
1490         p_vout->i_changes &= ~VOUT_CROP_CHANGE;
1491         p_vout->i_changes &= ~VOUT_ASPECT_CHANGE;
1492
1493         p_vout->fmt_out.i_x_offset = p_vout->fmt_in.i_x_offset;
1494         p_vout->fmt_out.i_y_offset = p_vout->fmt_in.i_y_offset;
1495         p_vout->fmt_out.i_visible_width = p_vout->fmt_in.i_visible_width;
1496         p_vout->fmt_out.i_visible_height = p_vout->fmt_in.i_visible_height;
1497         p_vout->fmt_out.i_aspect = p_vout->fmt_in.i_aspect;
1498         p_vout->fmt_out.i_sar_num = p_vout->fmt_in.i_sar_num;
1499         p_vout->fmt_out.i_sar_den = p_vout->fmt_in.i_sar_den;
1500         p_vout->output.i_aspect = p_vout->fmt_in.i_aspect;
1501
1502         p_vout->i_changes |= VOUT_SIZE_CHANGE;
1503     }
1504
1505     /*
1506      * Size change
1507      *
1508      * (Needs to be placed after VOUT_FULLSREEN_CHANGE because we can activate
1509      *  the size flag inside the fullscreen routine)
1510      */
1511     if( p_vout->i_changes & VOUT_SIZE_CHANGE )
1512     {
1513         unsigned int i_width, i_height, i_x, i_y;
1514
1515         p_vout->i_changes &= ~VOUT_SIZE_CHANGE;
1516
1517 #ifdef MODULE_NAME_IS_x11
1518         /* We need to signal the vout thread about the size change because it
1519          * is doing the rescaling */
1520         p_vout->i_changes |= VOUT_SIZE_CHANGE;
1521 #endif
1522
1523         vout_PlacePicture( p_vout, p_vout->p_sys->p_win->i_width,
1524                            p_vout->p_sys->p_win->i_height,
1525                            &i_x, &i_y, &i_width, &i_height );
1526
1527         XMoveResizeWindow( p_vout->p_sys->p_display,
1528                            p_vout->p_sys->p_win->video_window,
1529                            i_x, i_y, i_width, i_height );
1530     }
1531
1532     /* Autohide Cursour */
1533     if( mdate() - p_vout->p_sys->i_time_mouse_last_moved >
1534         p_vout->p_sys->i_mouse_hide_timeout )
1535     {
1536         /* Hide the mouse automatically */
1537         if( p_vout->p_sys->b_mouse_pointer_visible )
1538         {
1539             ToggleCursor( p_vout );
1540         }
1541     }
1542
1543 #ifdef MODULE_NAME_IS_xvmc
1544     xvmc_context_reader_unlock( &p_vout->p_sys->xvmc_lock );
1545 #endif
1546
1547 #ifdef HAVE_OSSO
1548     if ( p_vout->p_sys->p_octx != NULL ) {
1549         if ( p_vout->p_sys->i_backlight_on_counter == i_backlight_on_interval ) {
1550             if ( osso_display_blanking_pause( p_vout->p_sys->p_octx ) != OSSO_OK ) {
1551                 msg_Err( p_vout, "Could not disable backlight blanking" );
1552         } else {
1553                 msg_Dbg( p_vout, "Backlight blanking disabled" );
1554             }
1555             p_vout->p_sys->i_backlight_on_counter = 0;
1556         } else {
1557             p_vout->p_sys->i_backlight_on_counter ++;
1558         }
1559     }
1560 #endif
1561
1562     vlc_mutex_unlock( &p_vout->p_sys->lock );
1563     return 0;
1564 }
1565
1566 /*****************************************************************************
1567  * EndVideo: terminate X11 video thread output method
1568  *****************************************************************************
1569  * Destroy the X11 XImages created by Init. It is called at the end of
1570  * the thread, but also each time the window is resized.
1571  *****************************************************************************/
1572 static void EndVideo( vout_thread_t *p_vout )
1573 {
1574     int i_index;
1575
1576     /* Free the direct buffers we allocated */
1577     for( i_index = I_OUTPUTPICTURES ; i_index ; )
1578     {
1579         i_index--;
1580         FreePicture( p_vout, PP_OUTPUTPICTURE[ i_index ] );
1581     }
1582 }
1583
1584 /* following functions are local */
1585
1586 /*****************************************************************************
1587  * CreateWindow: open and set-up X11 main window
1588  *****************************************************************************/
1589 static int CreateWindow( vout_thread_t *p_vout, x11_window_t *p_win )
1590 {
1591     XSizeHints              xsize_hints;
1592     XSetWindowAttributes    xwindow_attributes;
1593     XGCValues               xgcvalues;
1594     XEvent                  xevent;
1595
1596     bool              b_expose = false;
1597     bool              b_configure_notify = false;
1598     bool              b_map_notify = false;
1599     vlc_value_t             val;
1600
1601     /* Prepare window manager hints and properties */
1602     p_win->wm_protocols =
1603              XInternAtom( p_vout->p_sys->p_display, "WM_PROTOCOLS", True );
1604     p_win->wm_delete_window =
1605              XInternAtom( p_vout->p_sys->p_display, "WM_DELETE_WINDOW", True );
1606
1607     /* Never have a 0-pixel-wide window */
1608     xsize_hints.min_width = 2;
1609     xsize_hints.min_height = 1;
1610
1611     /* Prepare window attributes */
1612     xwindow_attributes.backing_store = Always;       /* save the hidden part */
1613     xwindow_attributes.background_pixel = BlackPixel(p_vout->p_sys->p_display,
1614                                                      p_vout->p_sys->i_screen);
1615     xwindow_attributes.event_mask = ExposureMask | StructureNotifyMask;
1616
1617     if( !p_vout->b_fullscreen )
1618     {
1619         void *ptr = vout_RequestWindow( p_vout, &p_win->i_x, &p_win->i_y,
1620                                         &p_win->i_width, &p_win->i_height );
1621         p_win->owner_window = (uintptr_t)ptr;
1622         xsize_hints.base_width  = xsize_hints.width = p_win->i_width;
1623         xsize_hints.base_height = xsize_hints.height = p_win->i_height;
1624         xsize_hints.flags       = PSize | PMinSize;
1625
1626         if( p_win->i_x >=0 || p_win->i_y >= 0 )
1627         {
1628             xsize_hints.x = p_win->i_x;
1629             xsize_hints.y = p_win->i_y;
1630             xsize_hints.flags |= PPosition;
1631         }
1632     }
1633     else
1634     {
1635         /* Fullscreen window size and position */
1636         p_win->owner_window = 0;
1637         p_win->i_x = p_win->i_y = 0;
1638         p_win->i_width =
1639             DisplayWidth( p_vout->p_sys->p_display, p_vout->p_sys->i_screen );
1640         p_win->i_height =
1641             DisplayHeight( p_vout->p_sys->p_display, p_vout->p_sys->i_screen );
1642     }
1643
1644     if( !p_win->owner_window )
1645     {
1646         /* Create the window and set hints - the window must receive
1647          * ConfigureNotify events, and until it is displayed, Expose and
1648          * MapNotify events. */
1649
1650         p_win->base_window =
1651             XCreateWindow( p_vout->p_sys->p_display,
1652                            DefaultRootWindow( p_vout->p_sys->p_display ),
1653                            p_win->i_x, p_win->i_y,
1654                            p_win->i_width, p_win->i_height,
1655                            0,
1656                            0, InputOutput, 0,
1657                            CWBackingStore | CWBackPixel | CWEventMask,
1658                            &xwindow_attributes );
1659
1660         var_Get( p_vout, "video-title", &val );
1661         if( !val.psz_string || !*val.psz_string )
1662         {
1663             XStoreName( p_vout->p_sys->p_display, p_win->base_window,
1664 #ifdef MODULE_NAME_IS_x11
1665                         VOUT_TITLE " (X11 output)"
1666 #elif defined(MODULE_NAME_IS_glx)
1667                         VOUT_TITLE " (GLX output)"
1668 #else
1669                         VOUT_TITLE " (XVideo output)"
1670 #endif
1671               );
1672         }
1673         else
1674         {
1675             XStoreName( p_vout->p_sys->p_display,
1676                         p_win->base_window, val.psz_string );
1677         }
1678         free( val.psz_string );
1679
1680         if( !p_vout->b_fullscreen )
1681         {
1682             const char *argv[] = { "vlc", NULL };
1683
1684             /* Set window manager hints and properties: size hints, command,
1685              * window's name, and accepted protocols */
1686             XSetWMNormalHints( p_vout->p_sys->p_display,
1687                                p_win->base_window, &xsize_hints );
1688             XSetCommand( p_vout->p_sys->p_display, p_win->base_window,
1689                          (char**)argv, 1 );
1690
1691             if( !var_GetBool( p_vout, "video-deco") )
1692             {
1693                 Atom prop;
1694                 mwmhints_t mwmhints;
1695
1696                 mwmhints.flags = MWM_HINTS_DECORATIONS;
1697                 mwmhints.decorations = False;
1698
1699                 prop = XInternAtom( p_vout->p_sys->p_display, "_MOTIF_WM_HINTS",
1700                                     False );
1701
1702                 XChangeProperty( p_vout->p_sys->p_display,
1703                                  p_win->base_window,
1704                                  prop, prop, 32, PropModeReplace,
1705                                  (unsigned char *)&mwmhints,
1706                                  PROP_MWM_HINTS_ELEMENTS );
1707             }
1708         }
1709     }
1710     else
1711     {
1712         Window dummy1;
1713         int dummy2, dummy3;
1714         unsigned int dummy4, dummy5;
1715
1716         /* Select events we are interested in. */
1717         XSelectInput( p_vout->p_sys->p_display, p_win->owner_window,
1718                       StructureNotifyMask );
1719
1720         /* Get the parent window's geometry information */
1721         XGetGeometry( p_vout->p_sys->p_display, p_win->owner_window,
1722                       &dummy1, &dummy2, &dummy3,
1723                       &p_win->i_width,
1724                       &p_win->i_height,
1725                       &dummy4, &dummy5 );
1726
1727         /* We are already configured */
1728         b_configure_notify = true;
1729
1730         /* From man XSelectInput: only one client at a time can select a
1731          * ButtonPress event, so we need to open a new window anyway. */
1732         p_win->base_window =
1733             XCreateWindow( p_vout->p_sys->p_display,
1734                            p_win->owner_window,
1735                            0, 0,
1736                            p_win->i_width, p_win->i_height,
1737                            0,
1738                            0, CopyFromParent, 0,
1739                            CWBackingStore | CWBackPixel | CWEventMask,
1740                            &xwindow_attributes );
1741     }
1742
1743     if( (p_win->wm_protocols == None)        /* use WM_DELETE_WINDOW */
1744         || (p_win->wm_delete_window == None)
1745         || !XSetWMProtocols( p_vout->p_sys->p_display, p_win->base_window,
1746                              &p_win->wm_delete_window, 1 ) )
1747     {
1748         /* WM_DELETE_WINDOW is not supported by window manager */
1749         msg_Warn( p_vout, "missing or bad window manager" );
1750     }
1751
1752     /* Creation of a graphic context that doesn't generate a GraphicsExpose
1753      * event when using functions like XCopyArea */
1754     xgcvalues.graphics_exposures = False;
1755     p_win->gc = XCreateGC( p_vout->p_sys->p_display,
1756                            p_win->base_window,
1757                            GCGraphicsExposures, &xgcvalues );
1758
1759     /* Send orders to server, and wait until window is displayed - three
1760      * events must be received: a MapNotify event, an Expose event allowing
1761      * drawing in the window, and a ConfigureNotify to get the window
1762      * dimensions. Once those events have been received, only
1763      * ConfigureNotify events need to be received. */
1764     XMapWindow( p_vout->p_sys->p_display, p_win->base_window );
1765     do
1766     {
1767         XWindowEvent( p_vout->p_sys->p_display, p_win->base_window,
1768                       SubstructureNotifyMask | StructureNotifyMask |
1769                       ExposureMask, &xevent);
1770         if( (xevent.type == Expose)
1771             && (xevent.xexpose.window == p_win->base_window) )
1772         {
1773             b_expose = true;
1774             /* ConfigureNotify isn't sent if there isn't a window manager.
1775              * Expose should be the last event to be received so it should
1776              * be fine to assume we won't receive it anymore. */
1777             b_configure_notify = true;
1778         }
1779         else if( (xevent.type == MapNotify)
1780                  && (xevent.xmap.window == p_win->base_window) )
1781         {
1782             b_map_notify = true;
1783         }
1784         else if( (xevent.type == ConfigureNotify)
1785                  && (xevent.xconfigure.window == p_win->base_window) )
1786         {
1787             b_configure_notify = true;
1788             p_win->i_width = xevent.xconfigure.width;
1789             p_win->i_height = xevent.xconfigure.height;
1790         }
1791     } while( !( b_expose && b_configure_notify && b_map_notify ) );
1792
1793     XSelectInput( p_vout->p_sys->p_display, p_win->base_window,
1794                   StructureNotifyMask | KeyPressMask |
1795                   ButtonPressMask | ButtonReleaseMask |
1796                   PointerMotionMask );
1797
1798 #ifdef MODULE_NAME_IS_x11
1799     if( XDefaultDepth(p_vout->p_sys->p_display, p_vout->p_sys->i_screen) == 8 )
1800     {
1801         /* Allocate a new palette */
1802         p_vout->p_sys->colormap =
1803             XCreateColormap( p_vout->p_sys->p_display,
1804                              DefaultRootWindow( p_vout->p_sys->p_display ),
1805                              DefaultVisual( p_vout->p_sys->p_display,
1806                                             p_vout->p_sys->i_screen ),
1807                              AllocAll );
1808
1809         xwindow_attributes.colormap = p_vout->p_sys->colormap;
1810         XChangeWindowAttributes( p_vout->p_sys->p_display, p_win->base_window,
1811                                  CWColormap, &xwindow_attributes );
1812     }
1813 #endif
1814
1815     /* Create video output sub-window. */
1816     p_win->video_window =  XCreateSimpleWindow(
1817                                       p_vout->p_sys->p_display,
1818                                       p_win->base_window, 0, 0,
1819                                       p_win->i_width, p_win->i_height,
1820                                       0,
1821                                       BlackPixel( p_vout->p_sys->p_display,
1822                                                   p_vout->p_sys->i_screen ),
1823                                       WhitePixel( p_vout->p_sys->p_display,
1824                                                   p_vout->p_sys->i_screen ) );
1825
1826     XSetWindowBackground( p_vout->p_sys->p_display, p_win->video_window,
1827                           BlackPixel( p_vout->p_sys->p_display,
1828                                       p_vout->p_sys->i_screen ) );
1829
1830     XMapWindow( p_vout->p_sys->p_display, p_win->video_window );
1831     XSelectInput( p_vout->p_sys->p_display, p_win->video_window,
1832                   ExposureMask );
1833
1834     /* make sure the video window will be centered in the next ManageVideo() */
1835     p_vout->i_changes |= VOUT_SIZE_CHANGE;
1836
1837     /* If the cursor was formerly blank than blank it again */
1838     if( !p_vout->p_sys->b_mouse_pointer_visible )
1839     {
1840         ToggleCursor( p_vout );
1841         ToggleCursor( p_vout );
1842     }
1843
1844     /* Do NOT use XFlush here ! */
1845     XSync( p_vout->p_sys->p_display, False );
1846
1847     /* At this stage, the window is open, displayed, and ready to
1848      * receive data */
1849     p_vout->p_sys->p_win = p_win;
1850
1851     return VLC_SUCCESS;
1852 }
1853
1854 /*****************************************************************************
1855  * DestroyWindow: destroy the window
1856  *****************************************************************************
1857  *
1858  *****************************************************************************/
1859 static void DestroyWindow( vout_thread_t *p_vout, x11_window_t *p_win )
1860 {
1861     /* Do NOT use XFlush here ! */
1862     XSync( p_vout->p_sys->p_display, False );
1863
1864     if( p_win->video_window != None )
1865         XDestroyWindow( p_vout->p_sys->p_display, p_win->video_window );
1866
1867     XFreeGC( p_vout->p_sys->p_display, p_win->gc );
1868
1869     XUnmapWindow( p_vout->p_sys->p_display, p_win->base_window );
1870     XDestroyWindow( p_vout->p_sys->p_display, p_win->base_window );
1871
1872     if( p_win->owner_window )
1873         vout_ReleaseWindow( p_vout, (void *)p_win->owner_window );
1874 }
1875
1876 /*****************************************************************************
1877  * NewPicture: allocate a picture
1878  *****************************************************************************
1879  * Returns 0 on success, -1 otherwise
1880  *****************************************************************************/
1881 static int NewPicture( vout_thread_t *p_vout, picture_t *p_pic )
1882 {
1883 #ifndef MODULE_NAME_IS_glx
1884
1885 #if defined(MODULE_NAME_IS_xvideo) || defined(MODULE_NAME_IS_xvmc)
1886     int i_plane;
1887 #endif
1888
1889     /* We know the chroma, allocate a buffer which will be used
1890      * directly by the decoder */
1891     p_pic->p_sys = malloc( sizeof( picture_sys_t ) );
1892
1893     if( p_pic->p_sys == NULL )
1894     {
1895         return -1;
1896     }
1897
1898 #ifdef MODULE_NAME_IS_xvmc
1899     p_pic->p_sys->p_vout = p_vout;
1900     p_pic->p_sys->xvmc_surf = NULL;
1901     p_pic->p_sys->xxmc_data.decoded = 0;
1902     p_pic->p_sys->xxmc_data.proc_xxmc_update_frame = xxmc_do_update_frame;
1903     //    p_pic->p_accel_data = &p_pic->p_sys->xxmc_data;
1904     p_pic->p_sys->nb_display = 0;
1905 #endif
1906
1907     /* Fill in picture_t fields */
1908     vout_InitPicture( VLC_OBJECT(p_vout), p_pic, p_vout->output.i_chroma,
1909                       p_vout->output.i_width, p_vout->output.i_height,
1910                       p_vout->output.i_aspect );
1911
1912 #ifdef HAVE_SYS_SHM_H
1913     if( p_vout->p_sys->i_shm_opcode )
1914     {
1915         /* Create image using XShm extension */
1916         p_pic->p_sys->p_image =
1917             CreateShmImage( p_vout, p_vout->p_sys->p_display,
1918 #   if defined(MODULE_NAME_IS_xvideo) || defined(MODULE_NAME_IS_xvmc)
1919                             p_vout->p_sys->i_xvport,
1920                             VLC2X11_FOURCC(p_vout->output.i_chroma),
1921 #   else
1922                             p_vout->p_sys->p_visual,
1923                             p_vout->p_sys->i_screen_depth,
1924 #   endif
1925                             &p_pic->p_sys->shminfo,
1926                             p_vout->output.i_width, p_vout->output.i_height );
1927     }
1928
1929     if( !p_vout->p_sys->i_shm_opcode || !p_pic->p_sys->p_image )
1930 #endif /* HAVE_SYS_SHM_H */
1931     {
1932         /* Create image without XShm extension */
1933         p_pic->p_sys->p_image =
1934             CreateImage( p_vout, p_vout->p_sys->p_display,
1935 #if defined(MODULE_NAME_IS_xvideo) || defined(MODULE_NAME_IS_xvmc)
1936                          p_vout->p_sys->i_xvport,
1937                          VLC2X11_FOURCC(p_vout->output.i_chroma),
1938                          p_pic->format.i_bits_per_pixel,
1939 #else
1940                          p_vout->p_sys->p_visual,
1941                          p_vout->p_sys->i_screen_depth,
1942                          p_vout->p_sys->i_bytes_per_pixel,
1943 #endif
1944                          p_vout->output.i_width, p_vout->output.i_height );
1945
1946 #ifdef HAVE_SYS_SHM_H
1947         if( p_pic->p_sys->p_image && p_vout->p_sys->i_shm_opcode )
1948         {
1949             msg_Warn( p_vout, "couldn't create SHM image, disabling SHM" );
1950             p_vout->p_sys->i_shm_opcode = 0;
1951         }
1952 #endif /* HAVE_SYS_SHM_H */
1953     }
1954
1955     if( p_pic->p_sys->p_image == NULL )
1956     {
1957         free( p_pic->p_sys );
1958         return -1;
1959     }
1960
1961     switch( p_vout->output.i_chroma )
1962     {
1963 #if defined(MODULE_NAME_IS_xvideo) || defined(MODULE_NAME_IS_xvmc)
1964         case VLC_FOURCC('I','4','2','0'):
1965         case VLC_FOURCC('Y','V','1','2'):
1966         case VLC_FOURCC('Y','2','1','1'):
1967         case VLC_FOURCC('Y','U','Y','2'):
1968         case VLC_FOURCC('U','Y','V','Y'):
1969         case VLC_FOURCC('R','V','1','5'):
1970         case VLC_FOURCC('R','V','1','6'):
1971         case VLC_FOURCC('R','V','2','4'): /* Fixme: pixel pitch == 4 ? */
1972         case VLC_FOURCC('R','V','3','2'):
1973
1974             for( i_plane = 0; i_plane < p_pic->p_sys->p_image->num_planes;
1975                  i_plane++ )
1976             {
1977                 p_pic->p[i_plane].p_pixels = (uint8_t*)p_pic->p_sys->p_image->data
1978                     + p_pic->p_sys->p_image->offsets[i_plane];
1979                 p_pic->p[i_plane].i_pitch =
1980                     p_pic->p_sys->p_image->pitches[i_plane];
1981             }
1982             if( p_vout->output.i_chroma == VLC_FOURCC('Y','V','1','2') )
1983             {
1984                 /* U and V inverted compared to I420
1985                  * Fixme: this should be handled by the vout core */
1986                 p_pic->U_PIXELS = (uint8_t*)p_pic->p_sys->p_image->data
1987                     + p_pic->p_sys->p_image->offsets[2];
1988                 p_pic->V_PIXELS = (uint8_t*)p_pic->p_sys->p_image->data
1989                     + p_pic->p_sys->p_image->offsets[1];
1990             }
1991
1992             break;
1993
1994 #else
1995         case VLC_FOURCC('R','G','B','2'):
1996         case VLC_FOURCC('R','V','1','6'):
1997         case VLC_FOURCC('R','V','1','5'):
1998         case VLC_FOURCC('R','V','2','4'):
1999         case VLC_FOURCC('R','V','3','2'):
2000
2001             p_pic->p->i_lines = p_pic->p_sys->p_image->height;
2002             p_pic->p->i_visible_lines = p_pic->p_sys->p_image->height;
2003             p_pic->p->p_pixels = (uint8_t*)p_pic->p_sys->p_image->data
2004                                   + p_pic->p_sys->p_image->xoffset;
2005             p_pic->p->i_pitch = p_pic->p_sys->p_image->bytes_per_line;
2006
2007             /* p_pic->p->i_pixel_pitch = 4 for RV24 but this should be set
2008              * properly by vout_InitPicture() */
2009             p_pic->p->i_visible_pitch = p_pic->p->i_pixel_pitch
2010                                          * p_pic->p_sys->p_image->width;
2011             break;
2012 #endif
2013
2014         default:
2015             /* Unknown chroma, tell the guy to get lost */
2016             IMAGE_FREE( p_pic->p_sys->p_image );
2017             free( p_pic->p_sys );
2018             msg_Err( p_vout, "never heard of chroma 0x%.8x (%4.4s)",
2019                      p_vout->output.i_chroma, (char*)&p_vout->output.i_chroma );
2020             p_pic->i_planes = 0;
2021             return -1;
2022     }
2023 #else
2024
2025     VLC_UNUSED(p_vout); VLC_UNUSED(p_pic);
2026
2027 #endif /* !MODULE_NAME_IS_glx */
2028
2029     return 0;
2030 }
2031
2032 /*****************************************************************************
2033  * FreePicture: destroy a picture allocated with NewPicture
2034  *****************************************************************************
2035  * Destroy XImage AND associated data. If using Shm, detach shared memory
2036  * segment from server and process, then free it. The XDestroyImage manpage
2037  * says that both the image structure _and_ the data pointed to by the
2038  * image structure are freed, so no need to free p_image->data.
2039  *****************************************************************************/
2040 static void FreePicture( vout_thread_t *p_vout, picture_t *p_pic )
2041 {
2042     /* The order of operations is correct */
2043 #ifdef HAVE_SYS_SHM_H
2044     if( p_vout->p_sys->i_shm_opcode )
2045     {
2046         XShmDetach( p_vout->p_sys->p_display, &p_pic->p_sys->shminfo );
2047         IMAGE_FREE( p_pic->p_sys->p_image );
2048
2049         shmctl( p_pic->p_sys->shminfo.shmid, IPC_RMID, 0 );
2050         if( shmdt( p_pic->p_sys->shminfo.shmaddr ) )
2051         {
2052             msg_Err( p_vout, "cannot detach shared memory (%m)" );
2053         }
2054     }
2055     else
2056 #endif
2057     {
2058         IMAGE_FREE( p_pic->p_sys->p_image );
2059     }
2060
2061 #ifdef MODULE_NAME_IS_xvmc
2062     if( p_pic->p_sys->xvmc_surf != NULL )
2063     {
2064         xxmc_xvmc_free_surface(p_vout , p_pic->p_sys->xvmc_surf);
2065         p_pic->p_sys->xvmc_surf = NULL;
2066     }
2067 #endif
2068
2069     /* Do NOT use XFlush here ! */
2070     XSync( p_vout->p_sys->p_display, False );
2071
2072     free( p_pic->p_sys );
2073 }
2074
2075 /*****************************************************************************
2076  * ToggleFullScreen: Enable or disable full screen mode
2077  *****************************************************************************
2078  * This function will switch between fullscreen and window mode.
2079  *****************************************************************************/
2080 static void ToggleFullScreen ( vout_thread_t *p_vout )
2081 {
2082     Atom prop;
2083     XEvent xevent;
2084     mwmhints_t mwmhints;
2085     XSetWindowAttributes attributes;
2086
2087 #ifdef HAVE_XINERAMA
2088     int i_d1, i_d2;
2089 #endif
2090
2091     p_vout->b_fullscreen = !p_vout->b_fullscreen;
2092
2093     if( p_vout->b_fullscreen )
2094     {
2095         msg_Dbg( p_vout, "entering fullscreen mode" );
2096
2097         p_vout->p_sys->b_altfullscreen =
2098             config_GetInt( p_vout, MODULE_STRING "-altfullscreen" );
2099
2100         XUnmapWindow( p_vout->p_sys->p_display,
2101                       p_vout->p_sys->p_win->base_window );
2102
2103         p_vout->p_sys->p_win = &p_vout->p_sys->fullscreen_window;
2104
2105         CreateWindow( p_vout, p_vout->p_sys->p_win );
2106         XDestroyWindow( p_vout->p_sys->p_display,
2107                         p_vout->p_sys->fullscreen_window.video_window );
2108         XReparentWindow( p_vout->p_sys->p_display,
2109                          p_vout->p_sys->original_window.video_window,
2110                          p_vout->p_sys->fullscreen_window.base_window, 0, 0 );
2111         p_vout->p_sys->fullscreen_window.video_window =
2112             p_vout->p_sys->original_window.video_window;
2113
2114         /* To my knowledge there are two ways to create a borderless window.
2115          * There's the generic way which is to tell x to bypass the window
2116          * manager, but this creates problems with the focus of other
2117          * applications.
2118          * The other way is to use the motif property "_MOTIF_WM_HINTS" which
2119          * luckily seems to be supported by most window managers. */
2120         if( !p_vout->p_sys->b_altfullscreen )
2121         {
2122             mwmhints.flags = MWM_HINTS_DECORATIONS;
2123             mwmhints.decorations = False;
2124
2125             prop = XInternAtom( p_vout->p_sys->p_display, "_MOTIF_WM_HINTS",
2126                                 False );
2127             XChangeProperty( p_vout->p_sys->p_display,
2128                              p_vout->p_sys->p_win->base_window,
2129                              prop, prop, 32, PropModeReplace,
2130                              (unsigned char *)&mwmhints,
2131                              PROP_MWM_HINTS_ELEMENTS );
2132         }
2133         else
2134         {
2135             /* brute force way to remove decorations */
2136             attributes.override_redirect = True;
2137             XChangeWindowAttributes( p_vout->p_sys->p_display,
2138                                      p_vout->p_sys->p_win->base_window,
2139                                      CWOverrideRedirect,
2140                                      &attributes);
2141
2142             /* Make sure the change is effective */
2143             XReparentWindow( p_vout->p_sys->p_display,
2144                              p_vout->p_sys->p_win->base_window,
2145                              DefaultRootWindow( p_vout->p_sys->p_display ),
2146                              0, 0 );
2147         }
2148
2149         if( p_vout->p_sys->b_net_wm_state_fullscreen )
2150         {
2151             XClientMessageEvent event;
2152
2153             memset( &event, 0, sizeof( XClientMessageEvent ) );
2154
2155             event.type = ClientMessage;
2156             event.message_type = p_vout->p_sys->net_wm_state;
2157             event.display = p_vout->p_sys->p_display;
2158             event.window = p_vout->p_sys->p_win->base_window;
2159             event.format = 32;
2160             event.data.l[ 0 ] = 1; /* set property */
2161             event.data.l[ 1 ] = p_vout->p_sys->net_wm_state_fullscreen;
2162
2163             XSendEvent( p_vout->p_sys->p_display,
2164                         DefaultRootWindow( p_vout->p_sys->p_display ),
2165                         False, SubstructureRedirectMask,
2166                         (XEvent*)&event );
2167         }
2168
2169         /* Make sure the change is effective */
2170         XReparentWindow( p_vout->p_sys->p_display,
2171                          p_vout->p_sys->p_win->base_window,
2172                          DefaultRootWindow( p_vout->p_sys->p_display ),
2173                          0, 0 );
2174
2175 #ifdef HAVE_XINERAMA
2176         if( XineramaQueryExtension( p_vout->p_sys->p_display, &i_d1, &i_d2 ) &&
2177             XineramaIsActive( p_vout->p_sys->p_display ) )
2178         {
2179             XineramaScreenInfo *screens;   /* infos for xinerama */
2180             int i_num_screens;
2181
2182             msg_Dbg( p_vout, "using XFree Xinerama extension");
2183
2184 #define SCREEN p_vout->p_sys->p_win->i_screen
2185
2186             /* Get Information about Xinerama (num of screens) */
2187             screens = XineramaQueryScreens( p_vout->p_sys->p_display,
2188                                             &i_num_screens );
2189
2190             SCREEN = config_GetInt( p_vout,
2191                                         MODULE_STRING "-xineramascreen" );
2192
2193             /* just check that user has entered a good value */
2194             if( SCREEN >= i_num_screens || SCREEN < 0 )
2195             {
2196                 msg_Dbg( p_vout, "requested screen number invalid (%d/%d)", SCREEN, i_num_screens );
2197                 SCREEN = 0;
2198             }
2199
2200             /* Get the X/Y upper left corner coordinate of the above screen */
2201             p_vout->p_sys->p_win->i_x = screens[SCREEN].x_org;
2202             p_vout->p_sys->p_win->i_y = screens[SCREEN].y_org;
2203
2204             /* Set the Height/width to the screen resolution */
2205             p_vout->p_sys->p_win->i_width = screens[SCREEN].width;
2206             p_vout->p_sys->p_win->i_height = screens[SCREEN].height;
2207
2208             XFree(screens);
2209
2210 #undef SCREEN
2211
2212         }
2213         else
2214 #endif
2215         {
2216             /* The window wasn't necessarily created at the requested size */
2217             p_vout->p_sys->p_win->i_x = p_vout->p_sys->p_win->i_y = 0;
2218
2219 #ifdef HAVE_XF86VIDMODE
2220             XF86VidModeModeLine mode;
2221             int i_dummy;
2222
2223             if( XF86VidModeGetModeLine( p_vout->p_sys->p_display,
2224                                         p_vout->p_sys->i_screen, &i_dummy,
2225                                         &mode ) )
2226             {
2227                 p_vout->p_sys->p_win->i_width = mode.hdisplay;
2228                 p_vout->p_sys->p_win->i_height = mode.vdisplay;
2229
2230                 /* move cursor to the middle of the window to prevent
2231                  * unwanted display move if the display is smaller than the
2232                  * full desktop */
2233                 XWarpPointer( p_vout->p_sys->p_display, None,
2234                               p_vout->p_sys->p_win->base_window, 0, 0, 0, 0,
2235                               mode.hdisplay / 2 , mode.vdisplay / 2 );
2236                 /* force desktop view to upper left corner */
2237                 XF86VidModeSetViewPort( p_vout->p_sys->p_display,
2238                                         p_vout->p_sys->i_screen, 0, 0 );
2239             }
2240             else
2241 #endif
2242             {
2243                 p_vout->p_sys->p_win->i_width =
2244                     DisplayWidth( p_vout->p_sys->p_display,
2245                                 p_vout->p_sys->i_screen );
2246                 p_vout->p_sys->p_win->i_height =
2247                     DisplayHeight( p_vout->p_sys->p_display,
2248                                 p_vout->p_sys->i_screen );
2249             }
2250
2251         }
2252
2253         XMoveResizeWindow( p_vout->p_sys->p_display,
2254                            p_vout->p_sys->p_win->base_window,
2255                            p_vout->p_sys->p_win->i_x,
2256                            p_vout->p_sys->p_win->i_y,
2257                            p_vout->p_sys->p_win->i_width,
2258                            p_vout->p_sys->p_win->i_height );
2259
2260 #ifdef HAVE_XSP
2261         EnablePixelDoubling( p_vout );
2262 #endif
2263
2264         /* Activate the window (give it the focus) */
2265         XClientMessageEvent event;
2266
2267         memset( &event, 0, sizeof( XClientMessageEvent ) );
2268
2269         event.type = ClientMessage;
2270         event.message_type =
2271            XInternAtom( p_vout->p_sys->p_display, "_NET_ACTIVE_WINDOW", False );
2272         event.display = p_vout->p_sys->p_display;
2273         event.window = p_vout->p_sys->p_win->base_window;
2274         event.format = 32;
2275         event.data.l[ 0 ] = 1; /* source indication (1 = from an application */
2276         event.data.l[ 1 ] = 0; /* timestamp */
2277         event.data.l[ 2 ] = 0; /* requestor's currently active window */
2278         /* XXX: window manager would be more likely to obey if we already have
2279          * an active window (and give it to the event), such as an interface */
2280
2281         XSendEvent( p_vout->p_sys->p_display,
2282                     DefaultRootWindow( p_vout->p_sys->p_display ),
2283                     False, SubstructureRedirectMask,
2284                     (XEvent*)&event );
2285     }
2286     else
2287     {
2288         msg_Dbg( p_vout, "leaving fullscreen mode" );
2289
2290 #ifdef HAVE_XSP
2291         DisablePixelDoubling( p_vout );
2292 #endif
2293
2294         XReparentWindow( p_vout->p_sys->p_display,
2295                          p_vout->p_sys->original_window.video_window,
2296                          p_vout->p_sys->original_window.base_window, 0, 0 );
2297
2298         p_vout->p_sys->fullscreen_window.video_window = None;
2299         DestroyWindow( p_vout, &p_vout->p_sys->fullscreen_window );
2300         p_vout->p_sys->p_win = &p_vout->p_sys->original_window;
2301
2302         XMapWindow( p_vout->p_sys->p_display,
2303                     p_vout->p_sys->p_win->base_window );
2304     }
2305
2306     /* Unfortunately, using XSync() here is not enough to ensure the
2307      * window has already been mapped because the XMapWindow() request
2308      * has not necessarily been sent directly to our window (remember,
2309      * the call is first redirected to the window manager) */
2310     do
2311     {
2312         XWindowEvent( p_vout->p_sys->p_display,
2313                       p_vout->p_sys->p_win->base_window,
2314                       StructureNotifyMask, &xevent );
2315     } while( xevent.type != MapNotify );
2316
2317     /* Be careful, this can generate a BadMatch error if the window is not
2318      * already mapped by the server (see above) */
2319     XSetInputFocus(p_vout->p_sys->p_display,
2320                    p_vout->p_sys->p_win->base_window,
2321                    RevertToParent,
2322                    CurrentTime);
2323
2324     /* signal that the size needs to be updated */
2325     p_vout->i_changes |= VOUT_SIZE_CHANGE;
2326 }
2327
2328 /*****************************************************************************
2329  * EnableXScreenSaver: enable screen saver
2330  *****************************************************************************
2331  * This function enables the screen saver on a display after it has been
2332  * disabled by XDisableScreenSaver.
2333  * FIXME: what happens if multiple vlc sessions are running at the same
2334  *        time ???
2335  *****************************************************************************/
2336 static void EnableXScreenSaver( vout_thread_t *p_vout )
2337 {
2338 #ifdef DPMSINFO_IN_DPMS_H
2339     int dummy;
2340 #endif
2341
2342     if( p_vout->p_sys->i_ss_timeout )
2343     {
2344         XSetScreenSaver( p_vout->p_sys->p_display, p_vout->p_sys->i_ss_timeout,
2345                          p_vout->p_sys->i_ss_interval,
2346                          p_vout->p_sys->i_ss_blanking,
2347                          p_vout->p_sys->i_ss_exposure );
2348     }
2349
2350     /* Restore DPMS settings */
2351 #ifdef DPMSINFO_IN_DPMS_H
2352     if( DPMSQueryExtension( p_vout->p_sys->p_display, &dummy, &dummy ) )
2353     {
2354         if( p_vout->p_sys->b_ss_dpms )
2355         {
2356             DPMSEnable( p_vout->p_sys->p_display );
2357         }
2358     }
2359 #endif
2360 }
2361
2362 /*****************************************************************************
2363  * DisableXScreenSaver: disable screen saver
2364  *****************************************************************************
2365  * See XEnableXScreenSaver
2366  *****************************************************************************/
2367 static void DisableXScreenSaver( vout_thread_t *p_vout )
2368 {
2369 #ifdef DPMSINFO_IN_DPMS_H
2370     int dummy;
2371 #endif
2372
2373     /* Save screen saver information */
2374     XGetScreenSaver( p_vout->p_sys->p_display, &p_vout->p_sys->i_ss_timeout,
2375                      &p_vout->p_sys->i_ss_interval,
2376                      &p_vout->p_sys->i_ss_blanking,
2377                      &p_vout->p_sys->i_ss_exposure );
2378
2379     /* Disable screen saver */
2380     if( p_vout->p_sys->i_ss_timeout )
2381     {
2382         XSetScreenSaver( p_vout->p_sys->p_display, 0,
2383                          p_vout->p_sys->i_ss_interval,
2384                          p_vout->p_sys->i_ss_blanking,
2385                          p_vout->p_sys->i_ss_exposure );
2386     }
2387
2388     /* Disable DPMS */
2389 #ifdef DPMSINFO_IN_DPMS_H
2390     if( DPMSQueryExtension( p_vout->p_sys->p_display, &dummy, &dummy ) )
2391     {
2392         CARD16 unused;
2393         /* Save DPMS current state */
2394         DPMSInfo( p_vout->p_sys->p_display, &unused,
2395                   &p_vout->p_sys->b_ss_dpms );
2396         DPMSDisable( p_vout->p_sys->p_display );
2397    }
2398 #endif
2399 }
2400
2401 /*****************************************************************************
2402  * CreateCursor: create a blank mouse pointer
2403  *****************************************************************************/
2404 static void CreateCursor( vout_thread_t *p_vout )
2405 {
2406     XColor cursor_color;
2407
2408     p_vout->p_sys->cursor_pixmap =
2409         XCreatePixmap( p_vout->p_sys->p_display,
2410                        DefaultRootWindow( p_vout->p_sys->p_display ),
2411                        1, 1, 1 );
2412
2413     XParseColor( p_vout->p_sys->p_display,
2414                  XCreateColormap( p_vout->p_sys->p_display,
2415                                   DefaultRootWindow(
2416                                                     p_vout->p_sys->p_display ),
2417                                   DefaultVisual(
2418                                                 p_vout->p_sys->p_display,
2419                                                 p_vout->p_sys->i_screen ),
2420                                   AllocNone ),
2421                  "black", &cursor_color );
2422
2423     p_vout->p_sys->blank_cursor =
2424         XCreatePixmapCursor( p_vout->p_sys->p_display,
2425                              p_vout->p_sys->cursor_pixmap,
2426                              p_vout->p_sys->cursor_pixmap,
2427                              &cursor_color, &cursor_color, 1, 1 );
2428 }
2429
2430 /*****************************************************************************
2431  * DestroyCursor: destroy the blank mouse pointer
2432  *****************************************************************************/
2433 static void DestroyCursor( vout_thread_t *p_vout )
2434 {
2435     XFreePixmap( p_vout->p_sys->p_display, p_vout->p_sys->cursor_pixmap );
2436 }
2437
2438 /*****************************************************************************
2439  * ToggleCursor: hide or show the mouse pointer
2440  *****************************************************************************
2441  * This function hides the X pointer if it is visible by setting the pointer
2442  * sprite to a blank one. To show it again, we disable the sprite.
2443  *****************************************************************************/
2444 static void ToggleCursor( vout_thread_t *p_vout )
2445 {
2446     if( p_vout->p_sys->b_mouse_pointer_visible )
2447     {
2448         XDefineCursor( p_vout->p_sys->p_display,
2449                        p_vout->p_sys->p_win->base_window,
2450                        p_vout->p_sys->blank_cursor );
2451         p_vout->p_sys->b_mouse_pointer_visible = 0;
2452     }
2453     else
2454     {
2455         XUndefineCursor( p_vout->p_sys->p_display,
2456                          p_vout->p_sys->p_win->base_window );
2457         p_vout->p_sys->b_mouse_pointer_visible = 1;
2458     }
2459 }
2460
2461 #if defined(MODULE_NAME_IS_xvideo) || defined(MODULE_NAME_IS_xvmc)
2462 /*****************************************************************************
2463  * XVideoGetPort: get YUV12 port
2464  *****************************************************************************/
2465 static int XVideoGetPort( vout_thread_t *p_vout,
2466                           vlc_fourcc_t i_chroma, picture_heap_t *p_heap )
2467 {
2468     XvAdaptorInfo *p_adaptor;
2469     unsigned int i;
2470     unsigned int i_adaptor, i_num_adaptors;
2471     int i_requested_adaptor;
2472     int i_selected_port;
2473
2474     switch( XvQueryExtension( p_vout->p_sys->p_display, &i, &i, &i, &i, &i ) )
2475     {
2476         case Success:
2477             break;
2478
2479         case XvBadExtension:
2480             msg_Warn( p_vout, "XvBadExtension" );
2481             return -1;
2482
2483         case XvBadAlloc:
2484             msg_Warn( p_vout, "XvBadAlloc" );
2485             return -1;
2486
2487         default:
2488             msg_Warn( p_vout, "XvQueryExtension failed" );
2489             return -1;
2490     }
2491
2492     switch( XvQueryAdaptors( p_vout->p_sys->p_display,
2493                              DefaultRootWindow( p_vout->p_sys->p_display ),
2494                              &i_num_adaptors, &p_adaptor ) )
2495     {
2496         case Success:
2497             break;
2498
2499         case XvBadExtension:
2500             msg_Warn( p_vout, "XvBadExtension for XvQueryAdaptors" );
2501             return -1;
2502
2503         case XvBadAlloc:
2504             msg_Warn( p_vout, "XvBadAlloc for XvQueryAdaptors" );
2505             return -1;
2506
2507         default:
2508             msg_Warn( p_vout, "XvQueryAdaptors failed" );
2509             return -1;
2510     }
2511
2512     i_selected_port = -1;
2513 #ifdef MODULE_NAME_IS_xvmc
2514     i_requested_adaptor = config_GetInt( p_vout, "xvmc-adaptor" );
2515 #else
2516     i_requested_adaptor = config_GetInt( p_vout, "xvideo-adaptor" );
2517 #endif
2518     for( i_adaptor = 0; i_adaptor < i_num_adaptors; ++i_adaptor )
2519     {
2520         XvImageFormatValues *p_formats;
2521         int i_format, i_num_formats;
2522         int i_port;
2523
2524         /* If we requested an adaptor and it's not this one, we aren't
2525          * interested */
2526         if( i_requested_adaptor != -1 && ((int)i_adaptor != i_requested_adaptor) )
2527         {
2528             continue;
2529         }
2530
2531         /* If the adaptor doesn't have the required properties, skip it */
2532         if( !( p_adaptor[ i_adaptor ].type & XvInputMask ) ||
2533             !( p_adaptor[ i_adaptor ].type & XvImageMask ) )
2534         {
2535             continue;
2536         }
2537
2538         /* Check that adaptor supports our requested format... */
2539         p_formats = XvListImageFormats( p_vout->p_sys->p_display,
2540                                         p_adaptor[i_adaptor].base_id,
2541                                         &i_num_formats );
2542
2543         for( i_format = 0;
2544              i_format < i_num_formats && ( i_selected_port == -1 );
2545              i_format++ )
2546         {
2547             XvAttribute     *p_attr;
2548             int             i_attr, i_num_attributes;
2549             Atom            autopaint = None, colorkey = None;
2550
2551             /* If this is not the format we want, or at least a
2552              * similar one, forget it */
2553             if( !vout_ChromaCmp( p_formats[ i_format ].id, i_chroma ) )
2554             {
2555                 continue;
2556             }
2557
2558             /* Look for the first available port supporting this format */
2559             for( i_port = p_adaptor[i_adaptor].base_id;
2560                  ( i_port < (int)(p_adaptor[i_adaptor].base_id
2561                                    + p_adaptor[i_adaptor].num_ports) )
2562                    && ( i_selected_port == -1 );
2563                  i_port++ )
2564             {
2565                 if( XvGrabPort( p_vout->p_sys->p_display, i_port, CurrentTime )
2566                      == Success )
2567                 {
2568                     i_selected_port = i_port;
2569                     p_heap->i_chroma = p_formats[ i_format ].id;
2570 #if XvVersion > 2 || ( XvVersion == 2 && XvRevision >= 2 )
2571                     p_heap->i_rmask = p_formats[ i_format ].red_mask;
2572                     p_heap->i_gmask = p_formats[ i_format ].green_mask;
2573                     p_heap->i_bmask = p_formats[ i_format ].blue_mask;
2574 #endif
2575                 }
2576             }
2577
2578             /* If no free port was found, forget it */
2579             if( i_selected_port == -1 )
2580             {
2581                 continue;
2582             }
2583
2584             /* If we found a port, print information about it */
2585             msg_Dbg( p_vout, "adaptor %i, port %i, format 0x%x (%4.4s) %s",
2586                      i_adaptor, i_selected_port, p_formats[ i_format ].id,
2587                      (char *)&p_formats[ i_format ].id,
2588                      ( p_formats[ i_format ].format == XvPacked ) ?
2589                          "packed" : "planar" );
2590
2591             /* Use XV_AUTOPAINT_COLORKEY if supported, otherwise we will
2592              * manually paint the colour key */
2593             p_attr = XvQueryPortAttributes( p_vout->p_sys->p_display,
2594                                             i_selected_port,
2595                                             &i_num_attributes );
2596
2597             for( i_attr = 0; i_attr < i_num_attributes; i_attr++ )
2598             {
2599                 if( !strcmp( p_attr[i_attr].name, "XV_AUTOPAINT_COLORKEY" ) )
2600                 {
2601                     autopaint = XInternAtom( p_vout->p_sys->p_display,
2602                                              "XV_AUTOPAINT_COLORKEY", False );
2603                     XvSetPortAttribute( p_vout->p_sys->p_display,
2604                                         i_selected_port, autopaint, 1 );
2605                 }
2606                 if( !strcmp( p_attr[i_attr].name, "XV_COLORKEY" ) )
2607                 {
2608                     /* Find out the default colour key */
2609                     colorkey = XInternAtom( p_vout->p_sys->p_display,
2610                                             "XV_COLORKEY", False );
2611                     XvGetPortAttribute( p_vout->p_sys->p_display,
2612                                         i_selected_port, colorkey,
2613                                         &p_vout->p_sys->i_colourkey );
2614                 }
2615             }
2616             p_vout->p_sys->b_paint_colourkey =
2617                 autopaint == None && colorkey != None;
2618
2619             if( p_attr != NULL )
2620             {
2621                 XFree( p_attr );
2622             }
2623         }
2624
2625         if( p_formats != NULL )
2626         {
2627             XFree( p_formats );
2628         }
2629
2630     }
2631
2632     if( i_num_adaptors > 0 )
2633     {
2634         XvFreeAdaptorInfo( p_adaptor );
2635     }
2636
2637     if( i_selected_port == -1 )
2638     {
2639         int i_chroma_tmp = X112VLC_FOURCC( i_chroma );
2640         if( i_requested_adaptor == -1 )
2641         {
2642             msg_Warn( p_vout, "no free XVideo port found for format "
2643                       "0x%.8x (%4.4s)", i_chroma_tmp, (char*)&i_chroma_tmp );
2644         }
2645         else
2646         {
2647             msg_Warn( p_vout, "XVideo adaptor %i does not have a free "
2648                       "XVideo port for format 0x%.8x (%4.4s)",
2649                       i_requested_adaptor, i_chroma_tmp, (char*)&i_chroma_tmp );
2650         }
2651     }
2652
2653     return i_selected_port;
2654 }
2655
2656 /*****************************************************************************
2657  * XVideoReleasePort: release YUV12 port
2658  *****************************************************************************/
2659 static void XVideoReleasePort( vout_thread_t *p_vout, int i_port )
2660 {
2661     XvUngrabPort( p_vout->p_sys->p_display, i_port, CurrentTime );
2662 }
2663 #endif
2664
2665 /*****************************************************************************
2666  * InitDisplay: open and initialize X11 device
2667  *****************************************************************************
2668  * Create a window according to video output given size, and set other
2669  * properties according to the display properties.
2670  *****************************************************************************/
2671 static int InitDisplay( vout_thread_t *p_vout )
2672 {
2673 #ifdef MODULE_NAME_IS_x11
2674     XPixmapFormatValues *       p_formats;                 /* pixmap formats */
2675     XVisualInfo *               p_xvisual;            /* visuals information */
2676     XVisualInfo                 xvisual_template;         /* visual template */
2677     int                         i_count, i;                    /* array size */
2678 #endif
2679
2680 #ifdef HAVE_SYS_SHM_H
2681     p_vout->p_sys->i_shm_opcode = 0;
2682
2683     if( config_GetInt( p_vout, MODULE_STRING "-shm" ) )
2684     {
2685         int major, evt, err;
2686
2687         if( XQueryExtension( p_vout->p_sys->p_display, "MIT-SHM", &major,
2688                              &evt, &err )
2689          && XShmQueryExtension( p_vout->p_sys->p_display ) )
2690             p_vout->p_sys->i_shm_opcode = major;
2691
2692         if( p_vout->p_sys->i_shm_opcode )
2693         {
2694             int major, minor;
2695             Bool pixmaps;
2696
2697             XShmQueryVersion( p_vout->p_sys->p_display, &major, &minor,
2698                               &pixmaps );
2699             msg_Dbg( p_vout, "XShm video extension v%d.%d "
2700                      "(with%s pixmaps, opcode: %d)",
2701                      major, minor, pixmaps ? "" : "out",
2702                      p_vout->p_sys->i_shm_opcode );
2703         }
2704         else
2705             msg_Warn( p_vout, "XShm video extension not available" );
2706     }
2707     else
2708         msg_Dbg( p_vout, "XShm video extension disabled" );
2709 #endif
2710
2711 #ifdef MODULE_NAME_IS_xvideo
2712     /* XXX The brightness and contrast values should be read from environment
2713      * XXX variables... */
2714 #if 0
2715     XVideoSetAttribute( p_vout, "XV_BRIGHTNESS", 0.5 );
2716     XVideoSetAttribute( p_vout, "XV_CONTRAST",   0.5 );
2717 #endif
2718 #endif
2719
2720 #ifdef MODULE_NAME_IS_x11
2721     /* Initialize structure */
2722     p_vout->p_sys->i_screen = DefaultScreen( p_vout->p_sys->p_display );
2723
2724     /* Get screen depth */
2725     p_vout->p_sys->i_screen_depth = XDefaultDepth( p_vout->p_sys->p_display,
2726                                                    p_vout->p_sys->i_screen );
2727     switch( p_vout->p_sys->i_screen_depth )
2728     {
2729     case 8:
2730         /*
2731          * Screen depth is 8bpp. Use PseudoColor visual with private colormap.
2732          */
2733         xvisual_template.screen =   p_vout->p_sys->i_screen;
2734         xvisual_template.class =    DirectColor;
2735         p_xvisual = XGetVisualInfo( p_vout->p_sys->p_display,
2736                                     VisualScreenMask | VisualClassMask,
2737                                     &xvisual_template, &i_count );
2738         if( p_xvisual == NULL )
2739         {
2740             msg_Err( p_vout, "no PseudoColor visual available" );
2741             return VLC_EGENERIC;
2742         }
2743         p_vout->p_sys->i_bytes_per_pixel = 1;
2744         p_vout->output.pf_setpalette = SetPalette;
2745         break;
2746     case 15:
2747     case 16:
2748     case 24:
2749     default:
2750         /*
2751          * Screen depth is higher than 8bpp. TrueColor visual is used.
2752          */
2753         xvisual_template.screen =   p_vout->p_sys->i_screen;
2754         xvisual_template.class =    TrueColor;
2755 /* In some cases, we get a truecolor class adaptor that has a different
2756    color depth. So try to get a real true color one first */
2757         xvisual_template.depth =    p_vout->p_sys->i_screen_depth;
2758
2759         p_xvisual = XGetVisualInfo( p_vout->p_sys->p_display,
2760                                     VisualScreenMask | VisualClassMask |
2761                                     VisualDepthMask,
2762                                     &xvisual_template, &i_count );
2763         if( p_xvisual == NULL )
2764         {
2765             msg_Warn( p_vout, "No screen matching the required color depth" );
2766             p_xvisual = XGetVisualInfo( p_vout->p_sys->p_display,
2767                                     VisualScreenMask | VisualClassMask,
2768                                     &xvisual_template, &i_count );
2769             if( p_xvisual == NULL )
2770             {
2771
2772                 msg_Err( p_vout, "no TrueColor visual available" );
2773                 return VLC_EGENERIC;
2774             }
2775         }
2776
2777         p_vout->output.i_rmask = p_xvisual->red_mask;
2778         p_vout->output.i_gmask = p_xvisual->green_mask;
2779         p_vout->output.i_bmask = p_xvisual->blue_mask;
2780
2781         /* There is no difference yet between 3 and 4 Bpp. The only way
2782          * to find the actual number of bytes per pixel is to list supported
2783          * pixmap formats. */
2784         p_formats = XListPixmapFormats( p_vout->p_sys->p_display, &i_count );
2785         p_vout->p_sys->i_bytes_per_pixel = 0;
2786
2787         for( i = 0; i < i_count; i++ )
2788         {
2789             /* Under XFree4.0, the list contains pixmap formats available
2790              * through all video depths ; so we have to check against current
2791              * depth. */
2792             if( p_formats[i].depth == (int)p_vout->p_sys->i_screen_depth )
2793             {
2794                 if( p_formats[i].bits_per_pixel / 8
2795                         > (int)p_vout->p_sys->i_bytes_per_pixel )
2796                 {
2797                     p_vout->p_sys->i_bytes_per_pixel =
2798                         p_formats[i].bits_per_pixel / 8;
2799                 }
2800             }
2801         }
2802         if( p_formats ) XFree( p_formats );
2803
2804         break;
2805     }
2806     p_vout->p_sys->p_visual = p_xvisual->visual;
2807     XFree( p_xvisual );
2808 #endif
2809
2810     return VLC_SUCCESS;
2811 }
2812
2813 #ifndef MODULE_NAME_IS_glx
2814
2815 #ifdef HAVE_SYS_SHM_H
2816 /*****************************************************************************
2817  * CreateShmImage: create an XImage or XvImage using shared memory extension
2818  *****************************************************************************
2819  * Prepare an XImage or XvImage for display function.
2820  * The order of the operations respects the recommandations of the mit-shm
2821  * document by J.Corbet and K.Packard. Most of the parameters were copied from
2822  * there. See http://ftp.xfree86.org/pub/XFree86/4.0/doc/mit-shm.TXT
2823  *****************************************************************************/
2824 IMAGE_TYPE * CreateShmImage( vout_thread_t *p_vout,
2825                                     Display* p_display, EXTRA_ARGS_SHM,
2826                                     int i_width, int i_height )
2827 {
2828     IMAGE_TYPE *p_image;
2829     Status result;
2830
2831     /* Create XImage / XvImage */
2832 #ifdef MODULE_NAME_IS_xvideo
2833     p_image = XvShmCreateImage( p_display, i_xvport, i_chroma, 0,
2834                                 i_width, i_height, p_shm );
2835 #elif defined(MODULE_NAME_IS_xvmc)
2836     p_image = XvShmCreateImage( p_display, i_xvport, i_chroma, 0,
2837                                 i_width, i_height, p_shm );
2838 #else
2839     p_image = XShmCreateImage( p_display, p_visual, i_depth, ZPixmap, 0,
2840                                p_shm, i_width, i_height );
2841 #endif
2842     if( p_image == NULL )
2843     {
2844         msg_Err( p_vout, "image creation failed" );
2845         return NULL;
2846     }
2847
2848     /* Allocate shared memory segment - 0776 set the access permission
2849      * rights (like umask), they are not yet supported by all X servers */
2850     p_shm->shmid = shmget( IPC_PRIVATE, DATA_SIZE(p_image), IPC_CREAT | 0776 );
2851     if( p_shm->shmid < 0 )
2852     {
2853         msg_Err( p_vout, "cannot allocate shared image data (%m)" );
2854         IMAGE_FREE( p_image );
2855         return NULL;
2856     }
2857
2858     /* Attach shared memory segment to process (read/write) */
2859     p_shm->shmaddr = p_image->data = shmat( p_shm->shmid, 0, 0 );
2860     if(! p_shm->shmaddr )
2861     {
2862         msg_Err( p_vout, "cannot attach shared memory (%m)" );
2863         IMAGE_FREE( p_image );
2864         shmctl( p_shm->shmid, IPC_RMID, 0 );
2865         return NULL;
2866     }
2867
2868     /* Read-only data. We won't be using XShmGetImage */
2869     p_shm->readOnly = True;
2870
2871     /* Attach shared memory segment to X server */
2872     XSynchronize( p_display, True );
2873     i_shm_major = p_vout->p_sys->i_shm_opcode;
2874     result = XShmAttach( p_display, p_shm );
2875     if( result == False || !i_shm_major )
2876     {
2877         msg_Err( p_vout, "cannot attach shared memory to X server" );
2878         IMAGE_FREE( p_image );
2879         shmctl( p_shm->shmid, IPC_RMID, 0 );
2880         shmdt( p_shm->shmaddr );
2881         return NULL;
2882     }
2883     XSynchronize( p_display, False );
2884
2885     /* Send image to X server. This instruction is required, since having
2886      * built a Shm XImage and not using it causes an error on XCloseDisplay,
2887      * and remember NOT to use XFlush ! */
2888     XSync( p_display, False );
2889
2890 #if 0
2891     /* Mark the shm segment to be removed when there are no more
2892      * attachements, so it is automatic on process exit or after shmdt */
2893     shmctl( p_shm->shmid, IPC_RMID, 0 );
2894 #endif
2895
2896     return p_image;
2897 }
2898 #endif
2899
2900 /*****************************************************************************
2901  * CreateImage: create an XImage or XvImage
2902  *****************************************************************************
2903  * Create a simple image used as a buffer.
2904  *****************************************************************************/
2905 static IMAGE_TYPE * CreateImage( vout_thread_t *p_vout,
2906                                  Display *p_display, EXTRA_ARGS,
2907                                  int i_width, int i_height )
2908 {
2909     uint8_t *    p_data;                          /* image data storage zone */
2910     IMAGE_TYPE *p_image;
2911 #ifdef MODULE_NAME_IS_x11
2912     int         i_quantum;                     /* XImage quantum (see below) */
2913     int         i_bytes_per_line;
2914 #endif
2915
2916     /* Allocate memory for image */
2917 #ifdef MODULE_NAME_IS_xvideo
2918     p_data = malloc( i_width * i_height * i_bits_per_pixel / 8 );
2919 #elif defined(MODULE_NAME_IS_x11)
2920     i_bytes_per_line = i_width * i_bytes_per_pixel;
2921     p_data = malloc( i_bytes_per_line * i_height );
2922 #endif
2923     if( !p_data )
2924         return NULL;
2925
2926 #ifdef MODULE_NAME_IS_x11
2927     /* Optimize the quantum of a scanline regarding its size - the quantum is
2928        a diviser of the number of bits between the start of two scanlines. */
2929     if( i_bytes_per_line & 0xf )
2930     {
2931         i_quantum = 0x8;
2932     }
2933     else if( i_bytes_per_line & 0x10 )
2934     {
2935         i_quantum = 0x10;
2936     }
2937     else
2938     {
2939         i_quantum = 0x20;
2940     }
2941 #endif
2942
2943     /* Create XImage. p_data will be automatically freed */
2944 #ifdef MODULE_NAME_IS_xvideo
2945     p_image = XvCreateImage( p_display, i_xvport, i_chroma,
2946                              (char *)p_data, i_width, i_height );
2947 #elif defined(MODULE_NAME_IS_x11)
2948     p_image = XCreateImage( p_display, p_visual, i_depth, ZPixmap, 0,
2949                             (char *)p_data, i_width, i_height, i_quantum, 0 );
2950 #endif
2951     if( p_image == NULL )
2952     {
2953         msg_Err( p_vout, "XCreateImage() failed" );
2954         free( p_data );
2955         return NULL;
2956     }
2957
2958     return p_image;
2959 }
2960
2961 #endif
2962 /*****************************************************************************
2963  * X11ErrorHandler: replace error handler so we can intercept some of them
2964  *****************************************************************************/
2965 static int X11ErrorHandler( Display * display, XErrorEvent * event )
2966 {
2967     char txt[1024];
2968
2969     XGetErrorText( display, event->error_code, txt, sizeof( txt ) );
2970     fprintf( stderr,
2971              "[????????] x11 video output error: X11 request %u.%u failed "
2972               "with error code %u:\n %s\n",
2973              event->request_code, event->minor_code, event->error_code, txt );
2974
2975     switch( event->request_code )
2976     {
2977     case X_SetInputFocus:
2978         /* Ignore errors on XSetInputFocus()
2979          * (they happen when a window is not yet mapped) */
2980         return 0;
2981     }
2982
2983 #ifdef HAVE_SYS_SHM_H
2984     if( event->request_code == i_shm_major ) /* MIT-SHM */
2985     {
2986         fprintf( stderr,
2987                  "[????????] x11 video output notice:"
2988                  " buggy X11 server claims shared memory\n"
2989                  "[????????] x11 video output notice:"
2990                  " support though it does not work (OpenSSH?)\n" );
2991         return i_shm_major = 0;
2992     }
2993 #endif
2994
2995 #ifndef HAVE_OSSO
2996     XSetErrorHandler(NULL);
2997     return (XSetErrorHandler(X11ErrorHandler))( display, event );
2998 #else
2999     /* Work-around Maemo Xvideo bug */
3000     return 0;
3001 #endif
3002 }
3003
3004 #ifdef MODULE_NAME_IS_x11
3005 /*****************************************************************************
3006  * SetPalette: sets an 8 bpp palette
3007  *****************************************************************************
3008  * This function sets the palette given as an argument. It does not return
3009  * anything, but could later send information on which colors it was unable
3010  * to set.
3011  *****************************************************************************/
3012 static void SetPalette( vout_thread_t *p_vout,
3013                         uint16_t *red, uint16_t *green, uint16_t *blue )
3014 {
3015     int i;
3016     XColor p_colors[255];
3017
3018     /* allocate palette */
3019     for( i = 0; i < 255; i++ )
3020     {
3021         /* kludge: colors are indexed reversely because color 255 seems
3022          * to be reserved for black even if we try to set it to white */
3023         p_colors[ i ].pixel = 255 - i;
3024         p_colors[ i ].pad   = 0;
3025         p_colors[ i ].flags = DoRed | DoGreen | DoBlue;
3026         p_colors[ i ].red   = red[ 255 - i ];
3027         p_colors[ i ].blue  = blue[ 255 - i ];
3028         p_colors[ i ].green = green[ 255 - i ];
3029     }
3030
3031     XStoreColors( p_vout->p_sys->p_display,
3032                   p_vout->p_sys->colormap, p_colors, 255 );
3033 }
3034 #endif
3035
3036 /*****************************************************************************
3037  * Control: control facility for the vout
3038  *****************************************************************************/
3039 static int Control( vout_thread_t *p_vout, int i_query, va_list args )
3040 {
3041     bool b_arg;
3042     unsigned int i_width, i_height;
3043     unsigned int *pi_width, *pi_height;
3044     Drawable d = 0;
3045
3046     switch( i_query )
3047     {
3048         case VOUT_GET_SIZE:
3049             if( p_vout->p_sys->p_win->owner_window )
3050                 return vout_ControlWindow( p_vout,
3051                     (void *)p_vout->p_sys->p_win->owner_window, i_query, args);
3052
3053             pi_width  = va_arg( args, unsigned int * );
3054             pi_height = va_arg( args, unsigned int * );
3055
3056             vlc_mutex_lock( &p_vout->p_sys->lock );
3057             *pi_width  = p_vout->p_sys->p_win->i_width;
3058             *pi_height = p_vout->p_sys->p_win->i_height;
3059             vlc_mutex_unlock( &p_vout->p_sys->lock );
3060             return VLC_SUCCESS;
3061
3062         case VOUT_SET_SIZE:
3063             if( p_vout->p_sys->p_win->owner_window )
3064                 return vout_ControlWindow( p_vout,
3065                     (void *)p_vout->p_sys->p_win->owner_window, i_query, args);
3066
3067             vlc_mutex_lock( &p_vout->p_sys->lock );
3068
3069             i_width  = va_arg( args, unsigned int );
3070             i_height = va_arg( args, unsigned int );
3071             if( !i_width ) i_width = p_vout->i_window_width;
3072             if( !i_height ) i_height = p_vout->i_window_height;
3073
3074 #ifdef MODULE_NAME_IS_xvmc
3075             xvmc_context_reader_lock( &p_vout->p_sys->xvmc_lock );
3076 #endif
3077             /* Update dimensions */
3078             XResizeWindow( p_vout->p_sys->p_display,
3079                            p_vout->p_sys->p_win->base_window,
3080                            i_width, i_height );
3081 #ifdef MODULE_NAME_IS_xvmc
3082             xvmc_context_reader_unlock( &p_vout->p_sys->xvmc_lock );
3083 #endif
3084             vlc_mutex_unlock( &p_vout->p_sys->lock );
3085             return VLC_SUCCESS;
3086
3087        case VOUT_CLOSE:
3088             vlc_mutex_lock( &p_vout->p_sys->lock );
3089             XUnmapWindow( p_vout->p_sys->p_display,
3090                           p_vout->p_sys->original_window.base_window );
3091             vlc_mutex_unlock( &p_vout->p_sys->lock );
3092             /* Fall through */
3093
3094        case VOUT_REPARENT:
3095             vlc_mutex_lock( &p_vout->p_sys->lock );
3096             if( i_query == VOUT_REPARENT ) d = (Drawable)va_arg( args, int );
3097             if( !d )
3098             {
3099 #ifdef MODULE_NAME_IS_xvmc
3100             xvmc_context_reader_lock( &p_vout->p_sys->xvmc_lock );
3101 #endif
3102             XReparentWindow( p_vout->p_sys->p_display,
3103                              p_vout->p_sys->original_window.base_window,
3104                              DefaultRootWindow( p_vout->p_sys->p_display ),
3105                              0, 0 );
3106             }
3107             else
3108             XReparentWindow( p_vout->p_sys->p_display,
3109                              p_vout->p_sys->original_window.base_window,
3110                              d, 0, 0);
3111             XSync( p_vout->p_sys->p_display, False );
3112             p_vout->p_sys->original_window.owner_window = 0;
3113 #ifdef MODULE_NAME_IS_xvmc
3114             xvmc_context_reader_unlock( &p_vout->p_sys->xvmc_lock );
3115 #endif
3116             vlc_mutex_unlock( &p_vout->p_sys->lock );
3117             return vout_vaControlDefault( p_vout, i_query, args );
3118
3119         case VOUT_SET_STAY_ON_TOP:
3120             if( p_vout->p_sys->p_win->owner_window )
3121                 return vout_ControlWindow( p_vout,
3122                     (void *)p_vout->p_sys->p_win->owner_window, i_query, args);
3123
3124             b_arg = (bool) va_arg( args, int );
3125             vlc_mutex_lock( &p_vout->p_sys->lock );
3126 #ifdef MODULE_NAME_IS_xvmc
3127             xvmc_context_reader_lock( &p_vout->p_sys->xvmc_lock );
3128 #endif
3129             WindowOnTop( p_vout, b_arg );
3130 #ifdef MODULE_NAME_IS_xvmc
3131             xvmc_context_reader_unlock( &p_vout->p_sys->xvmc_lock );
3132 #endif
3133             vlc_mutex_unlock( &p_vout->p_sys->lock );
3134             return VLC_SUCCESS;
3135
3136        default:
3137             return vout_vaControlDefault( p_vout, i_query, args );
3138     }
3139 }
3140
3141 /*****************************************************************************
3142  * TestNetWMSupport: tests for Extended Window Manager Hints support
3143  *****************************************************************************/
3144 static void TestNetWMSupport( vout_thread_t *p_vout )
3145 {
3146     int i_ret, i_format;
3147     unsigned long i, i_items, i_bytesafter;
3148     Atom net_wm_supported;
3149     union { Atom *p_atom; unsigned char *p_char; } p_args;
3150
3151     p_args.p_atom = NULL;
3152
3153     p_vout->p_sys->b_net_wm_state_fullscreen =
3154     p_vout->p_sys->b_net_wm_state_above =
3155     p_vout->p_sys->b_net_wm_state_below =
3156     p_vout->p_sys->b_net_wm_state_stays_on_top =
3157         false;
3158
3159     net_wm_supported =
3160         XInternAtom( p_vout->p_sys->p_display, "_NET_SUPPORTED", False );
3161
3162     i_ret = XGetWindowProperty( p_vout->p_sys->p_display,
3163                                 DefaultRootWindow( p_vout->p_sys->p_display ),
3164                                 net_wm_supported,
3165                                 0, 16384, False, AnyPropertyType,
3166                                 &net_wm_supported,
3167                                 &i_format, &i_items, &i_bytesafter,
3168                                 (unsigned char **)&p_args );
3169
3170     if( i_ret != Success || i_items == 0 ) return;
3171
3172     msg_Dbg( p_vout, "Window manager supports NetWM" );
3173
3174     p_vout->p_sys->net_wm_state =
3175         XInternAtom( p_vout->p_sys->p_display, "_NET_WM_STATE", False );
3176     p_vout->p_sys->net_wm_state_fullscreen =
3177         XInternAtom( p_vout->p_sys->p_display, "_NET_WM_STATE_FULLSCREEN",
3178                      False );
3179     p_vout->p_sys->net_wm_state_above =
3180         XInternAtom( p_vout->p_sys->p_display, "_NET_WM_STATE_ABOVE", False );
3181     p_vout->p_sys->net_wm_state_below =
3182         XInternAtom( p_vout->p_sys->p_display, "_NET_WM_STATE_BELOW", False );
3183     p_vout->p_sys->net_wm_state_stays_on_top =
3184         XInternAtom( p_vout->p_sys->p_display, "_NET_WM_STATE_STAYS_ON_TOP",
3185                      False );
3186
3187     for( i = 0; i < i_items; i++ )
3188     {
3189         if( p_args.p_atom[i] == p_vout->p_sys->net_wm_state_fullscreen )
3190         {
3191             msg_Dbg( p_vout,
3192                      "Window manager supports _NET_WM_STATE_FULLSCREEN" );
3193             p_vout->p_sys->b_net_wm_state_fullscreen = true;
3194         }
3195         else if( p_args.p_atom[i] == p_vout->p_sys->net_wm_state_above )
3196         {
3197             msg_Dbg( p_vout, "Window manager supports _NET_WM_STATE_ABOVE" );
3198             p_vout->p_sys->b_net_wm_state_above = true;
3199         }
3200         else if( p_args.p_atom[i] == p_vout->p_sys->net_wm_state_below )
3201         {
3202             msg_Dbg( p_vout, "Window manager supports _NET_WM_STATE_BELOW" );
3203             p_vout->p_sys->b_net_wm_state_below = true;
3204         }
3205         else if( p_args.p_atom[i] == p_vout->p_sys->net_wm_state_stays_on_top )
3206         {
3207             msg_Dbg( p_vout,
3208                      "Window manager supports _NET_WM_STATE_STAYS_ON_TOP" );
3209             p_vout->p_sys->b_net_wm_state_stays_on_top = true;
3210         }
3211     }
3212
3213     XFree( p_args.p_atom );
3214 }
3215
3216 /*****************************************************************************
3217  * Key events handling
3218  *****************************************************************************/
3219 static const struct
3220 {
3221     int i_x11key;
3222     int i_vlckey;
3223
3224 } x11keys_to_vlckeys[] =
3225 {
3226     { XK_F1, KEY_F1 }, { XK_F2, KEY_F2 }, { XK_F3, KEY_F3 }, { XK_F4, KEY_F4 },
3227     { XK_F5, KEY_F5 }, { XK_F6, KEY_F6 }, { XK_F7, KEY_F7 }, { XK_F8, KEY_F8 },
3228     { XK_F9, KEY_F9 }, { XK_F10, KEY_F10 }, { XK_F11, KEY_F11 },
3229     { XK_F12, KEY_F12 },
3230
3231     { XK_Return, KEY_ENTER },
3232     { XK_KP_Enter, KEY_ENTER },
3233     { XK_space, KEY_SPACE },
3234     { XK_Escape, KEY_ESC },
3235
3236     { XK_Menu, KEY_MENU },
3237     { XK_Left, KEY_LEFT },
3238     { XK_Right, KEY_RIGHT },
3239     { XK_Up, KEY_UP },
3240     { XK_Down, KEY_DOWN },
3241
3242     { XK_Home, KEY_HOME },
3243     { XK_End, KEY_END },
3244     { XK_Page_Up, KEY_PAGEUP },
3245     { XK_Page_Down, KEY_PAGEDOWN },
3246
3247     { XK_Insert, KEY_INSERT },
3248     { XK_Delete, KEY_DELETE },
3249     { XF86XK_AudioNext, KEY_MEDIA_NEXT_TRACK},
3250     { XF86XK_AudioPrev, KEY_MEDIA_PREV_TRACK},
3251     { XF86XK_AudioMute, KEY_VOLUME_MUTE },
3252     { XF86XK_AudioLowerVolume, KEY_VOLUME_DOWN },
3253     { XF86XK_AudioRaiseVolume, KEY_VOLUME_UP },
3254     { XF86XK_AudioPlay, KEY_MEDIA_PLAY_PAUSE },
3255     { XF86XK_AudioPause, KEY_MEDIA_PLAY_PAUSE },
3256
3257     { 0, 0 }
3258 };
3259
3260 static int ConvertKey( int i_key )
3261 {
3262     int i;
3263
3264     for( i = 0; x11keys_to_vlckeys[i].i_x11key != 0; i++ )
3265     {
3266         if( x11keys_to_vlckeys[i].i_x11key == i_key )
3267         {
3268             return x11keys_to_vlckeys[i].i_vlckey;
3269         }
3270     }
3271
3272     return 0;
3273 }
3274
3275 /*****************************************************************************
3276  * WindowOnTop: Switches the "always on top" state of the video window.
3277  *****************************************************************************/
3278 static int WindowOnTop( vout_thread_t *p_vout, bool b_on_top )
3279 {
3280     if( p_vout->p_sys->b_net_wm_state_stays_on_top )
3281     {
3282         XClientMessageEvent event;
3283
3284         memset( &event, 0, sizeof( XClientMessageEvent ) );
3285
3286         event.type = ClientMessage;
3287         event.message_type = p_vout->p_sys->net_wm_state;
3288         event.display = p_vout->p_sys->p_display;
3289         event.window = p_vout->p_sys->p_win->base_window;
3290         event.format = 32;
3291         event.data.l[ 0 ] = b_on_top; /* set property */
3292         event.data.l[ 1 ] = p_vout->p_sys->net_wm_state_stays_on_top;
3293
3294         XSendEvent( p_vout->p_sys->p_display,
3295                     DefaultRootWindow( p_vout->p_sys->p_display ),
3296                     False, SubstructureRedirectMask,
3297                     (XEvent*)&event );
3298     }
3299
3300     /* use _NET_WM_STATE_ABOVE if window manager
3301      * doesn't handle _NET_WM_STATE_STAYS_ON_TOP */
3302     else if( p_vout->p_sys->b_net_wm_state_above )
3303     {
3304         XClientMessageEvent event;
3305
3306         memset( &event, 0, sizeof( XClientMessageEvent ) );
3307
3308         event.type = ClientMessage;
3309         event.message_type = p_vout->p_sys->net_wm_state;
3310         event.display = p_vout->p_sys->p_display;
3311         event.window = p_vout->p_sys->p_win->base_window;
3312         event.format = 32;
3313         event.data.l[ 0 ] = b_on_top; /* set property */
3314         event.data.l[ 1 ] = p_vout->p_sys->net_wm_state_above;
3315
3316         XSendEvent( p_vout->p_sys->p_display,
3317                     DefaultRootWindow( p_vout->p_sys->p_display ),
3318                     False, SubstructureRedirectMask,
3319                     (XEvent*)&event );
3320     }
3321
3322     return VLC_SUCCESS;
3323 }