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

   1 /*****************************************************************************
   2  * xcommon.c: Functions common to the X11 and XVideo plugins
   3  *****************************************************************************
   4  * Copyright (C) 1998-2006 the VideoLAN team
   5  * $Id$
   6  *
   7  * Authors: Vincent Seguin <seguin@via.ecp.fr>
   8  *          Sam Hocevar <sam@zoy.org>
   9  *          David Kennedy <dkennedy@tinytoad.com>
  10  *          Gildas Bazin <gbazin@videolan.org>
  11  *
  12  * This program is free software; you can redistribute it and/or modify
  13  * it under the terms of the GNU General Public License as published by
  14  * the Free Software Foundation; either version 2 of the License, or
  15  * (at your option) any later version.
  16  *
  17  * This program is distributed in the hope that it will be useful,
  18  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  19  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  20  * GNU General Public License for more details.
  21  *
  22  * You should have received a copy of the GNU General Public License
  23  * along with this program; if not, write to the Free Software
  24  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
  25  *****************************************************************************/
  26
  27 /*****************************************************************************
  28  * Preamble
  29  *****************************************************************************/
  30 #ifdef HAVE_CONFIG_H
  31 # include "config.h"
  32 #endif
  33
  34 #include <vlc_common.h>
  35 #include <vlc_interface.h>
  36 #include <vlc_playlist.h>
  37 #include <vlc_vout.h>
  38 #include <vlc_window.h>
  39 #include <vlc_keys.h>
  40
  41 #include <errno.h>                                                 /* ENOMEM */
  42
  43 #ifdef HAVE_MACHINE_PARAM_H
  44     /* BSD */
  45 #   include <machine/param.h>
  46 #   include <sys/types.h>                                  /* typedef ushort */
  47 #   include <sys/ipc.h>
  48 #endif
  49
  50 #ifndef WIN32
  51 #   include <netinet/in.h>                            /* BSD: struct in_addr */
  52 #endif
  53
  54 #ifdef HAVE_XSP
  55 #include <X11/extensions/Xsp.h>
  56 #endif
  57
  58 #ifdef HAVE_SYS_SHM_H
  59 #   include <sys/shm.h>                                /* shmget(), shmctl() */
  60 #endif
  61
  62 #include <X11/Xlib.h>
  63 #include <X11/Xproto.h>
  64 #include <X11/Xmd.h>
  65 #include <X11/Xutil.h>
  66 #include <X11/keysym.h>
  67 #include <X11/XF86keysym.h>
  68 #ifdef HAVE_SYS_SHM_H
  69 #   include <X11/extensions/XShm.h>
  70 #endif
  71 #ifdef DPMSINFO_IN_DPMS_H
  72 #   include <X11/extensions/dpms.h>
  73 #endif
  74
  75 #if defined(MODULE_NAME_IS_xvideo) || defined(MODULE_NAME_IS_xvmc)
  76 #   include <X11/extensions/Xv.h>
  77 #   include <X11/extensions/Xvlib.h>
  78 #endif
  79
  80 #ifdef MODULE_NAME_IS_glx
  81 #   include <GL/glx.h>
  82 #endif
  83
  84 #ifdef HAVE_XINERAMA
  85 #   include <X11/extensions/Xinerama.h>
  86 #endif
  87
  88 #ifdef HAVE_X11_EXTENSIONS_XF86VMODE_H
  89 #   include <X11/extensions/xf86vmode.h>
  90 #endif
  91
  92 #ifdef MODULE_NAME_IS_xvmc
  93 #   include <X11/extensions/vldXvMC.h>
  94 #   include "../../codec/xvmc/accel_xvmc.h"
  95 #endif
  96
  97 #include "xcommon.h"
  98
  99 /*****************************************************************************
 100  * Local prototypes
 101  *****************************************************************************/
 102 int  Activate   ( vlc_object_t * );
 103 void Deactivate ( vlc_object_t * );
 104
 105 static int  InitVideo      ( vout_thread_t * );
 106 static void EndVideo       ( vout_thread_t * );
 107 static void DisplayVideo   ( vout_thread_t *, picture_t * );
 108 static int  ManageVideo    ( vout_thread_t * );
 109 static int  Control        ( vout_thread_t *, int, va_list );
 110
 111 static int  InitDisplay    ( vout_thread_t * );
 112
 113 static int  CreateWindow   ( vout_thread_t *, x11_window_t * );
 114 static void DestroyWindow  ( vout_thread_t *, x11_window_t * );
 115
 116 static int  NewPicture     ( vout_thread_t *, picture_t * );
 117 static void FreePicture    ( vout_thread_t *, picture_t * );
 118
 119 #ifndef MODULE_NAME_IS_glx
 120 static IMAGE_TYPE *CreateImage    ( vout_thread_t *,
 121                                     Display *, EXTRA_ARGS, int, int );
 122 #endif
 123
 124 #ifdef HAVE_SYS_SHM_H
 125 #ifndef MODULE_NAME_IS_glx
 126 IMAGE_TYPE *CreateShmImage ( vout_thread_t *,
 127                                     Display *, EXTRA_ARGS_SHM, int, int );
 128 #endif
 129 static int i_shm_major = 0;
 130 #endif
 131
 132 static void ToggleFullScreen      ( vout_thread_t * );
 133
 134 static void EnableXScreenSaver    ( vout_thread_t * );
 135 static void DisableXScreenSaver   ( vout_thread_t * );
 136
 137 static void CreateCursor   ( vout_thread_t * );
 138 static void DestroyCursor  ( vout_thread_t * );
 139 static void ToggleCursor   ( vout_thread_t * );
 140
 141 #if defined(MODULE_NAME_IS_xvideo) || defined(MODULE_NAME_IS_xvmc)
 142 static int  XVideoGetPort    ( vout_thread_t *, vlc_fourcc_t, picture_heap_t * );
 143 static void XVideoReleasePort( vout_thread_t *, int );
 144 #endif
 145
 146 #ifdef MODULE_NAME_IS_x11
 147 static void SetPalette     ( vout_thread_t *,
 148                              uint16_t *, uint16_t *, uint16_t * );
 149 #endif
 150
 151 #ifdef MODULE_NAME_IS_xvmc
 152 static void RenderVideo    ( vout_thread_t *, picture_t * );
 153 static int  xvmc_check_yv12( Display *display, XvPortID port );
 154 static void xvmc_update_XV_DOUBLE_BUFFER( vout_thread_t *p_vout );
 155 #endif
 156
 157 static void TestNetWMSupport( vout_thread_t * );
 158 static int ConvertKey( int );
 159
 160 static int WindowOnTop( vout_thread_t *, bool );
 161
 162 static int X11ErrorHandler( Display *, XErrorEvent * );
 163
 164 #ifdef HAVE_XSP
 165 static void EnablePixelDoubling( vout_thread_t *p_vout );
 166 static void DisablePixelDoubling( vout_thread_t *p_vout );
 167 #endif
 168
 169 #ifdef HAVE_OSSO
 170 static const int i_backlight_on_interval = 300;
 171 #endif
 172
 173
 174
 175 /*****************************************************************************
 176  * Activate: allocate X11 video thread output method
 177  *****************************************************************************
 178  * This function allocate and initialize a X11 vout method. It uses some of the
 179  * vout properties to choose the window size, and change them according to the
 180  * actual properties of the display.
 181  *****************************************************************************/
 182 int Activate ( vlc_object_t *p_this )
 183 {
 184     vout_thread_t *p_vout = (vout_thread_t *)p_this;
 185     char *        psz_display;
 186     vlc_value_t   val;
 187 #if defined(MODULE_NAME_IS_xvmc)
 188     char *psz_value;
 189 #endif
 190 #if defined(MODULE_NAME_IS_xvideo) || defined(MODULE_NAME_IS_xvmc)
 191     char *       psz_chroma;
 192     vlc_fourcc_t i_chroma = 0;
 193     bool   b_chroma = 0;
 194 #endif
 195
 196     p_vout->pf_init = InitVideo;
 197     p_vout->pf_end = EndVideo;
 198     p_vout->pf_manage = ManageVideo;
 199 #ifdef MODULE_NAME_IS_xvmc
 200     p_vout->pf_render = RenderVideo;
 201 #else
 202     p_vout->pf_render = NULL;
 203 #endif
 204     p_vout->pf_display = DisplayVideo;
 205     p_vout->pf_control = Control;
 206
 207     /* Allocate structure */
 208     p_vout->p_sys = malloc( sizeof( vout_sys_t ) );
 209     if( p_vout->p_sys == NULL )
 210         return VLC_ENOMEM;
 211
 212     /* key and mouse event handling */
 213     p_vout->p_sys->i_vout_event = var_CreateGetInteger( p_vout, "vout-event" );
 214
 215     /* Open display, using the "display" config variable or the DISPLAY
 216      * environment variable */
 217     psz_display = config_GetPsz( p_vout, MODULE_STRING "-display" );
 218
 219     p_vout->p_sys->p_display = XOpenDisplay( psz_display );
 220
 221     if( p_vout->p_sys->p_display == NULL )                         /* error */
 222     {
 223         msg_Err( p_vout, "cannot open display %s",
 224                          XDisplayName( psz_display ) );
 225         free( p_vout->p_sys );
 226         free( psz_display );
 227         return VLC_EGENERIC;
 228     }
 229     free( psz_display );
 230
 231     /* Replace error handler so we can intercept some non-fatal errors */
 232     XSetErrorHandler( X11ErrorHandler );
 233
 234     /* Get a screen ID matching the XOpenDisplay return value */
 235     p_vout->p_sys->i_screen = DefaultScreen( p_vout->p_sys->p_display );
 236
 237 #if defined(MODULE_NAME_IS_xvideo) || defined(MODULE_NAME_IS_xvmc)
 238     psz_chroma = config_GetPsz( p_vout, "xvideo-chroma" );
 239     if( psz_chroma )
 240     {
 241         if( strlen( psz_chroma ) >= 4 )
 242         {
 243             /* Do not use direct assignment because we are not sure of the
 244              * alignment. */
 245             memcpy(&i_chroma, psz_chroma, 4);
 246             b_chroma = 1;
 247         }
 248
 249         free( psz_chroma );
 250     }
 251
 252     if( b_chroma )
 253     {
 254         msg_Dbg( p_vout, "forcing chroma 0x%.8x (%4.4s)",
 255                  i_chroma, (char*)&i_chroma );
 256     }
 257     else
 258     {
 259         i_chroma = p_vout->render.i_chroma;
 260     }
 261
 262     /* Check that we have access to an XVideo port providing this chroma */
 263     p_vout->p_sys->i_xvport = XVideoGetPort( p_vout, VLC2X11_FOURCC(i_chroma),
 264                                              &p_vout->output );
 265     if( p_vout->p_sys->i_xvport < 0 )
 266     {
 267         /* If a specific chroma format was requested, then we don't try to
 268          * be cleverer than the user. He knew pretty well what he wanted. */
 269         if( b_chroma )
 270         {
 271             XCloseDisplay( p_vout->p_sys->p_display );
 272             free( p_vout->p_sys );
 273             return VLC_EGENERIC;
 274         }
 275
 276         /* It failed, but it's not completely lost ! We try to open an
 277          * XVideo port for an YUY2 picture. We'll need to do an YUV
 278          * conversion, but at least it has got scaling. */
 279         p_vout->p_sys->i_xvport =
 280                         XVideoGetPort( p_vout, X11_FOURCC('Y','U','Y','2'),
 281                                                &p_vout->output );
 282         if( p_vout->p_sys->i_xvport < 0 )
 283         {
 284             /* It failed, but it's not completely lost ! We try to open an
 285              * XVideo port for a simple 16bpp RGB picture. We'll need to do
 286              * an YUV conversion, but at least it has got scaling. */
 287             p_vout->p_sys->i_xvport =
 288                             XVideoGetPort( p_vout, X11_FOURCC('R','V','1','6'),
 289                                                    &p_vout->output );
 290             if( p_vout->p_sys->i_xvport < 0 )
 291             {
 292                 XCloseDisplay( p_vout->p_sys->p_display );
 293                 free( p_vout->p_sys );
 294                 return VLC_EGENERIC;
 295             }
 296         }
 297     }
 298     p_vout->output.i_chroma = X112VLC_FOURCC(p_vout->output.i_chroma);
 299 #elif defined(MODULE_NAME_IS_glx)
 300     {
 301         int i_opcode, i_evt, i_err = 0;
 302         int i_maj, i_min = 0;
 303
 304         /* Check for GLX extension */
 305         if( !XQueryExtension( p_vout->p_sys->p_display, "GLX",
 306                               &i_opcode, &i_evt, &i_err ) )
 307         {
 308             msg_Err( p_this, "GLX extension not supported" );
 309             XCloseDisplay( p_vout->p_sys->p_display );
 310             free( p_vout->p_sys );
 311             return VLC_EGENERIC;
 312         }
 313         if( !glXQueryExtension( p_vout->p_sys->p_display, &i_err, &i_evt ) )
 314         {
 315             msg_Err( p_this, "glXQueryExtension failed" );
 316             XCloseDisplay( p_vout->p_sys->p_display );
 317             free( p_vout->p_sys );
 318             return VLC_EGENERIC;
 319         }
 320
 321         /* Check GLX version */
 322         if (!glXQueryVersion( p_vout->p_sys->p_display, &i_maj, &i_min ) )
 323         {
 324             msg_Err( p_this, "glXQueryVersion failed" );
 325             XCloseDisplay( p_vout->p_sys->p_display );
 326             free( p_vout->p_sys );
 327             return VLC_EGENERIC;
 328         }
 329         if( i_maj <= 0 || ((i_maj == 1) && (i_min < 3)) )
 330         {
 331             p_vout->p_sys->b_glx13 = false;
 332             msg_Dbg( p_this, "using GLX 1.2 API" );
 333         }
 334         else
 335         {
 336             p_vout->p_sys->b_glx13 = true;
 337             msg_Dbg( p_this, "using GLX 1.3 API" );
 338         }
 339     }
 340 #endif
 341
 342     /* Create blank cursor (for mouse cursor autohiding) */
 343     p_vout->p_sys->i_time_mouse_last_moved = mdate();
 344     p_vout->p_sys->i_mouse_hide_timeout =
 345         var_GetInteger(p_vout, "mouse-hide-timeout") * 1000;
 346     p_vout->p_sys->b_mouse_pointer_visible = 1;
 347     CreateCursor( p_vout );
 348
 349     /* Set main window's size */
 350     p_vout->p_sys->original_window.i_width = p_vout->i_window_width;
 351     p_vout->p_sys->original_window.i_height = p_vout->i_window_height;
 352     var_Create( p_vout, "video-title", VLC_VAR_STRING | VLC_VAR_DOINHERIT );
 353     /* Spawn base window - this window will include the video output window,
 354      * but also command buttons, subtitles and other indicators */
 355     if( CreateWindow( p_vout, &p_vout->p_sys->original_window ) )
 356     {
 357         msg_Err( p_vout, "cannot create X11 window" );
 358         DestroyCursor( p_vout );
 359         XCloseDisplay( p_vout->p_sys->p_display );
 360         free( p_vout->p_sys );
 361         return VLC_EGENERIC;
 362     }
 363
 364     /* Open and initialize device. */
 365     if( InitDisplay( p_vout ) )
 366     {
 367         msg_Err( p_vout, "cannot initialize X11 display" );
 368         DestroyCursor( p_vout );
 369         DestroyWindow( p_vout, &p_vout->p_sys->original_window );
 370         XCloseDisplay( p_vout->p_sys->p_display );
 371         free( p_vout->p_sys );
 372         return VLC_EGENERIC;
 373     }
 374
 375     /* Disable screen saver */
 376     DisableXScreenSaver( p_vout );
 377
 378     /* Misc init */
 379     p_vout->p_sys->b_altfullscreen = 0;
 380     p_vout->p_sys->i_time_button_last_pressed = 0;
 381
 382     TestNetWMSupport( p_vout );
 383
 384 #ifdef MODULE_NAME_IS_xvmc
 385     p_vout->p_sys->p_last_subtitle_save = NULL;
 386     psz_value = config_GetPsz( p_vout, "xvmc-deinterlace-mode" );
 387
 388     /* Look what method was requested */
 389     //var_Create( p_vout, "xvmc-deinterlace-mode", VLC_VAR_STRING );
 390     //var_Change( p_vout, "xvmc-deinterlace-mode", VLC_VAR_INHERITVALUE, &val, NULL );
 391     if( psz_value )
 392     {
 393         if( (strcmp(psz_value, "bob") == 0) ||
 394             (strcmp(psz_value, "blend") == 0) )
 395            p_vout->p_sys->xvmc_deinterlace_method = 2;
 396         else if (strcmp(psz_value, "discard") == 0)
 397            p_vout->p_sys->xvmc_deinterlace_method = 1;
 398         else
 399            p_vout->p_sys->xvmc_deinterlace_method = 0;
 400         free(psz_value );
 401     }
 402     else
 403         p_vout->p_sys->xvmc_deinterlace_method = 0;
 404
 405     /* Look what method was requested */
 406     //var_Create( p_vout, "xvmc-crop-style", VLC_VAR_STRING );
 407     //var_Change( p_vout, "xvmc-crop-style", VLC_VAR_INHERITVALUE, &val, NULL );
 408     psz_value = config_GetPsz( p_vout, "xvmc-crop-style" );
 409
 410     if( psz_value )
 411     {
 412         if( strncmp( psz_value, "eq", 2 ) == 0 )
 413            p_vout->p_sys->xvmc_crop_style = 1;
 414         else if( strncmp( psz_value, "4-16", 4 ) == 0)
 415            p_vout->p_sys->xvmc_crop_style = 2;
 416         else if( strncmp( psz_value, "16-4", 4 ) == 0)
 417            p_vout->p_sys->xvmc_crop_style = 3;
 418         else
 419            p_vout->p_sys->xvmc_crop_style = 0;
 420         free( psz_value );
 421     }
 422     else
 423         p_vout->p_sys->xvmc_crop_style = 0;
 424
 425     msg_Dbg(p_vout, "Deinterlace = %d", p_vout->p_sys->xvmc_deinterlace_method);
 426     msg_Dbg(p_vout, "Crop = %d", p_vout->p_sys->xvmc_crop_style);
 427
 428     if( checkXvMCCap( p_vout ) == VLC_EGENERIC )
 429     {
 430         msg_Err( p_vout, "no XVMC capability found" );
 431         Deactivate( p_vout );
 432         return VLC_EGENERIC;
 433     }
 434     subpicture_t sub_pic;
 435     sub_pic.p_sys = NULL;
 436     p_vout->p_sys->last_date = 0;
 437 #endif
 438
 439 #ifdef HAVE_XSP
 440     p_vout->p_sys->i_hw_scale = 1;
 441 #endif
 442
 443 #ifdef HAVE_OSSO
 444     p_vout->p_sys->i_backlight_on_counter = i_backlight_on_interval;
 445     p_vout->p_sys->p_octx = osso_initialize( "vlc", VERSION, 0, NULL );
 446     if ( p_vout->p_sys->p_octx == NULL ) {
 447         msg_Err( p_vout, "Could not get osso context" );
 448     } else {
 449         msg_Dbg( p_vout, "Initialized osso context" );
 450     }
 451 #endif
 452
 453     /* Variable to indicate if the window should be on top of others */
 454     /* Trigger a callback right now */
 455     var_Get( p_vout, "video-on-top", &val );
 456     var_Set( p_vout, "video-on-top", val );
 457
 458     return VLC_SUCCESS;
 459 }
 460
 461 /*****************************************************************************
 462  * Deactivate: destroy X11 video thread output method
 463  *****************************************************************************
 464  * Terminate an output method created by Open
 465  *****************************************************************************/
 466 void Deactivate ( vlc_object_t *p_this )
 467 {
 468     vout_thread_t *p_vout = (vout_thread_t *)p_this;
 469
 470     /* If the fullscreen window is still open, close it */
 471     if( p_vout->b_fullscreen )
 472     {
 473         ToggleFullScreen( p_vout );
 474     }
 475
 476     /* Restore cursor if it was blanked */
 477     if( !p_vout->p_sys->b_mouse_pointer_visible )
 478     {
 479         ToggleCursor( p_vout );
 480     }
 481
 482 #ifdef MODULE_NAME_IS_x11
 483     /* Destroy colormap */
 484     if( XDefaultDepth(p_vout->p_sys->p_display, p_vout->p_sys->i_screen) == 8 )
 485     {
 486         XFreeColormap( p_vout->p_sys->p_display, p_vout->p_sys->colormap );
 487     }
 488 #elif defined(MODULE_NAME_IS_xvideo)
 489     XVideoReleasePort( p_vout, p_vout->p_sys->i_xvport );
 490 #elif defined(MODULE_NAME_IS_xvmc)
 491     if( p_vout->p_sys->xvmc_cap )
 492     {
 493         xvmc_context_writer_lock( &p_vout->p_sys->xvmc_lock );
 494         xxmc_dispose_context( p_vout );
 495         if( p_vout->p_sys->old_subpic )
 496         {
 497             xxmc_xvmc_free_subpicture( p_vout, p_vout->p_sys->old_subpic );
 498             p_vout->p_sys->old_subpic = NULL;
 499         }
 500         if( p_vout->p_sys->new_subpic )
 501         {
 502             xxmc_xvmc_free_subpicture( p_vout, p_vout->p_sys->new_subpic );
 503             p_vout->p_sys->new_subpic = NULL;
 504         }
 505         free( p_vout->p_sys->xvmc_cap );
 506         xvmc_context_writer_unlock( &p_vout->p_sys->xvmc_lock );
 507     }
 508 #endif
 509
 510 #ifdef HAVE_XSP
 511     DisablePixelDoubling(p_vout);
 512 #endif
 513
 514     DestroyCursor( p_vout );
 515     EnableXScreenSaver( p_vout );
 516     DestroyWindow( p_vout, &p_vout->p_sys->original_window );
 517     XCloseDisplay( p_vout->p_sys->p_display );
 518
 519     /* Destroy structure */
 520 #ifdef MODULE_NAME_IS_xvmc
 521     free_context_lock( &p_vout->p_sys->xvmc_lock );
 522 #endif
 523
 524 #ifdef HAVE_OSSO
 525     if ( p_vout->p_sys->p_octx != NULL ) {
 526         msg_Dbg( p_vout, "Deinitializing osso context" );
 527         osso_deinitialize( p_vout->p_sys->p_octx );
 528     }
 529 #endif
 530
 531     free( p_vout->p_sys );
 532 }
 533
 534 #ifdef MODULE_NAME_IS_xvmc
 535
 536 #define XINE_IMGFMT_YV12 (('2'<<24)|('1'<<16)|('V'<<8)|'Y')
 537
 538 /* called xlocked */
 539 static int xvmc_check_yv12( Display *display, XvPortID port )
 540 {
 541     XvImageFormatValues *formatValues;
 542     int                  formats;
 543     int                  i;
 544
 545     formatValues = XvListImageFormats( display, port, &formats );
 546
 547     for( i = 0; i < formats; i++ )
 548     {
 549         if( ( formatValues[i].id == XINE_IMGFMT_YV12 ) &&
 550             ( !( strncmp( formatValues[i].guid, "YV12", 4 ) ) ) )
 551         {
 552             XFree (formatValues);
 553             return 0;
 554         }
 555     }
 556
 557     XFree (formatValues);
 558     return 1;
 559 }
 560
 561 static void xvmc_sync_surface( vout_thread_t *p_vout, XvMCSurface * srf )
 562 {
 563     XvMCSyncSurface( p_vout->p_sys->p_display, srf );
 564 }
 565
 566 static void xvmc_update_XV_DOUBLE_BUFFER( vout_thread_t *p_vout )
 567 {
 568     Atom         atom;
 569     int          xv_double_buffer;
 570
 571     xv_double_buffer = 1;
 572
 573     XLockDisplay( p_vout->p_sys->p_display );
 574     atom = XInternAtom( p_vout->p_sys->p_display, "XV_DOUBLE_BUFFER", False );
 575 #if 0
 576     XvSetPortAttribute (p_vout->p_sys->p_display, p_vout->p_sys->i_xvport, atom, xv_double_buffer);
 577 #endif
 578     XvMCSetAttribute( p_vout->p_sys->p_display, &p_vout->p_sys->context, atom, xv_double_buffer );
 579     XUnlockDisplay( p_vout->p_sys->p_display );
 580
 581     //xprintf(this->xine, XINE_VERBOSITY_DEBUG,
 582     //    "video_out_xxmc: double buffering mode = %d\n", xv_double_buffer);
 583 }
 584
 585 static void RenderVideo( vout_thread_t *p_vout, picture_t *p_pic )
 586 {
 587     vlc_xxmc_t *xxmc = NULL;
 588
 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         xvmc_context_reader_unlock( &p_vout->p_sys->xvmc_lock );
 596         return;
 597     }
 598
 599 #if 0
 600     vlc_mutex_lock( &p_vout->lastsubtitle_lock );
 601     if (p_vout->p_sys->p_last_subtitle != NULL)
 602     {
 603         if( p_vout->p_sys->p_last_subtitle_save != p_vout->p_sys->p_last_subtitle )
 604         {
 605             p_vout->p_sys->new_subpic =
 606                 xxmc_xvmc_alloc_subpicture( p_vout, &p_vout->p_sys->context,
 607                     p_vout->p_sys->xvmc_width,
 608                     p_vout->p_sys->xvmc_height,
 609                     p_vout->p_sys->xvmc_cap[p_vout->p_sys->xvmc_cur_cap].subPicType.id );
 610
 611             if (p_vout->p_sys->new_subpic)
 612             {
 613                 XVMCLOCKDISPLAY( p_vout->p_sys->p_display );
 614                 XvMCClearSubpicture( p_vout->p_sys->p_display,
 615                         p_vout->p_sys->new_subpic,
 616                         0,
 617                         0,
 618                         p_vout->p_sys->xvmc_width,
 619                         p_vout->p_sys->xvmc_height,
 620                         0x00 );
 621                 XVMCUNLOCKDISPLAY( p_vout->p_sys->p_display );
 622                 clear_xx44_palette( &p_vout->p_sys->palette );
 623
 624                 if( sub_pic.p_sys == NULL )
 625                 {
 626                     sub_pic.p_sys = malloc( sizeof( picture_sys_t ) );
 627                     if( sub_pic.p_sys != NULL )
 628                     {
 629                         sub_pic.p_sys->p_vout = p_vout;
 630                         sub_pic.p_sys->xvmc_surf = NULL;
 631                         sub_pic.p_sys->p_image = p_vout->p_sys->subImage;
 632                     }
 633                 }
 634                 sub_pic.p_sys->p_image = p_vout->p_sys->subImage;
 635                 sub_pic.p->p_pixels = sub_pic.p_sys->p_image->data;
 636                 sub_pic.p->i_pitch = p_vout->output.i_width;
 637
 638                 memset( p_vout->p_sys->subImage->data, 0,
 639                         (p_vout->p_sys->subImage->width * p_vout->p_sys->subImage->height) );
 640
 641                 if (p_vout->p_last_subtitle != NULL)
 642                 {
 643                     blend_xx44( p_vout->p_sys->subImage->data,
 644                                 p_vout->p_last_subtitle,
 645                                 p_vout->p_sys->subImage->width,
 646                                 p_vout->p_sys->subImage->height,
 647                                 p_vout->p_sys->subImage->width,
 648                                 &p_vout->p_sys->palette,
 649                                 (p_vout->p_sys->subImage->id == FOURCC_IA44) );
 650                 }
 651
 652                 XVMCLOCKDISPLAY( p_vout->p_sys->p_display );
 653                 XvMCCompositeSubpicture( p_vout->p_sys->p_display,
 654                                          p_vout->p_sys->new_subpic,
 655                                          p_vout->p_sys->subImage,
 656                                          0, /* overlay->x */
 657                                          0, /* overlay->y */
 658                                          p_vout->output.i_width, /* overlay->width, */
 659                                          p_vout->output.i_height, /* overlay->height */
 660                                          0, /* overlay->x */
 661                                          0 ); /*overlay->y */
 662                 XVMCUNLOCKDISPLAY( p_vout->p_sys->p_display );
 663                 if (p_vout->p_sys->old_subpic)
 664                 {
 665                     xxmc_xvmc_free_subpicture( p_vout,
 666                                                p_vout->p_sys->old_subpic);
 667                     p_vout->p_sys->old_subpic = NULL;
 668                 }
 669                 if (p_vout->p_sys->new_subpic)
 670                 {
 671                     p_vout->p_sys->old_subpic = p_vout->p_sys->new_subpic;
 672                     p_vout->p_sys->new_subpic = NULL;
 673                     xx44_to_xvmc_palette( &p_vout->p_sys->palette,
 674                             p_vout->p_sys->xvmc_palette,
 675                             0,
 676                             p_vout->p_sys->old_subpic->num_palette_entries,
 677                             p_vout->p_sys->old_subpic->entry_bytes,
 678                             p_vout->p_sys->old_subpic->component_order );
 679                     XVMCLOCKDISPLAY( p_vout->p_sys->p_display );
 680                     XvMCSetSubpicturePalette( p_vout->p_sys->p_display,
 681                                               p_vout->p_sys->old_subpic,
 682                                               p_vout->p_sys->xvmc_palette );
 683                     XvMCFlushSubpicture( p_vout->p_sys->p_display,
 684                                          p_vout->p_sys->old_subpic);
 685                     XvMCSyncSubpicture( p_vout->p_sys->p_display,
 686                                         p_vout->p_sys->old_subpic );
 687                     XVMCUNLOCKDISPLAY( p_vout->p_sys->p_display );
 688                 }
 689
 690                 XVMCLOCKDISPLAY( p_vout->p_sys->p_display);
 691                 if (p_vout->p_sys->xvmc_backend_subpic )
 692                 {
 693                     XvMCBlendSubpicture( p_vout->p_sys->p_display,
 694                                          p_pic->p_sys->xvmc_surf,
 695                                          p_vout->p_sys->old_subpic,
 696                                          0,
 697                                          0,
 698                                          p_vout->p_sys->xvmc_width,
 699                                          p_vout->p_sys->xvmc_height,
 700                                          0,
 701                                          0,
 702                                          p_vout->p_sys->xvmc_width,
 703                                          p_vout->p_sys->xvmc_height );
 704                 }
 705                 else
 706                 {
 707                     XvMCBlendSubpicture2( p_vout->p_sys->p_display,
 708                                           p_pic->p_sys->xvmc_surf,
 709                                           p_pic->p_sys->xvmc_surf,
 710                                           p_vout->p_sys->old_subpic,
 711                                           0,
 712                                           0,
 713                                           p_vout->p_sys->xvmc_width,
 714                                           p_vout->p_sys->xvmc_height,
 715                                           0,
 716                                           0,
 717                                           p_vout->p_sys->xvmc_width,
 718                                           p_vout->p_sys->xvmc_height );
 719                }
 720                XVMCUNLOCKDISPLAY(p_vout->p_sys->p_display);
 721             }
 722         }
 723         else
 724         {
 725             XVMCLOCKDISPLAY( p_vout->p_sys->p_display );
 726             if( p_vout->p_sys->xvmc_backend_subpic )
 727             {
 728                 XvMCBlendSubpicture( p_vout->p_sys->p_display,
 729                                      p_pic->p_sys->xvmc_surf,
 730                                      p_vout->p_sys->old_subpic,
 731                                      0, 0,
 732                                      p_vout->p_sys->xvmc_width,
 733                                      p_vout->p_sys->xvmc_height,
 734                                      0, 0,
 735                                      p_vout->p_sys->xvmc_width,
 736                                      p_vout->p_sys->xvmc_height );
 737             }
 738             else
 739             {
 740                 XvMCBlendSubpicture2( p_vout->p_sys->p_display,
 741                                       p_pic->p_sys->xvmc_surf,
 742                                       p_pic->p_sys->xvmc_surf,
 743                                       p_vout->p_sys->old_subpic,
 744                                       0, 0,
 745                                       p_vout->p_sys->xvmc_width,
 746                                       p_vout->p_sys->xvmc_height,
 747                                       0, 0,
 748                                       p_vout->p_sys->xvmc_width,
 749                                       p_vout->p_sys->xvmc_height );
 750             }
 751             XVMCUNLOCKDISPLAY( p_vout->p_sys->p_display );
 752         }
 753     }
 754     p_vout->p_sys->p_last_subtitle_save = p_vout->p_last_subtitle;
 755
 756     vlc_mutex_unlock( &p_vout->lastsubtitle_lock );
 757 #endif
 758     xvmc_context_reader_unlock( &p_vout->p_sys->xvmc_lock );
 759 }
 760 #endif
 761
 762 #ifdef HAVE_XSP
 763 /*****************************************************************************
 764  * EnablePixelDoubling: Enables pixel doubling
 765  *****************************************************************************
 766  * Checks if the double size image fits in current window, and enables pixel
 767  * doubling accordingly. The i_hw_scale is the integer scaling factor.
 768  *****************************************************************************/
 769 static void EnablePixelDoubling( vout_thread_t *p_vout )
 770 {
 771     int i_hor_scale = ( p_vout->p_sys->p_win->i_width ) / p_vout->render.i_width;
 772     int i_vert_scale =  ( p_vout->p_sys->p_win->i_height ) / p_vout->render.i_height;
 773     if ( ( i_hor_scale > 1 ) && ( i_vert_scale > 1 ) ) {
 774         p_vout->p_sys->i_hw_scale = 2;
 775         msg_Dbg( p_vout, "Enabling pixel doubling, scaling factor %d", p_vout->p_sys->i_hw_scale );
 776         XSPSetPixelDoubling( p_vout->p_sys->p_display, 0, 1 );
 777     }
 778 }
 779
 780 /*****************************************************************************
 781  * DisablePixelDoubling: Disables pixel doubling
 782  *****************************************************************************
 783  * The scaling factor i_hw_scale is reset to the no-scaling value 1.
 784  *****************************************************************************/
 785 static void DisablePixelDoubling( vout_thread_t *p_vout )
 786 {
 787     if ( p_vout->p_sys->i_hw_scale > 1 ) {
 788         msg_Dbg( p_vout, "Disabling pixel doubling" );
 789         XSPSetPixelDoubling( p_vout->p_sys->p_display, 0, 0 );
 790         p_vout->p_sys->i_hw_scale = 1;
 791     }
 792 }
 793 #endif
 794
 795
 796
 797 /*****************************************************************************
 798  * InitVideo: initialize X11 video thread output method
 799  *****************************************************************************
 800  * This function create the XImages needed by the output thread. It is called
 801  * at the beginning of the thread, but also each time the window is resized.
 802  *****************************************************************************/
 803 static int InitVideo( vout_thread_t *p_vout )
 804 {
 805     unsigned int i_index = 0;
 806     picture_t *p_pic;
 807
 808     I_OUTPUTPICTURES = 0;
 809
 810 #if defined(MODULE_NAME_IS_xvideo) || defined(MODULE_NAME_IS_xvmc)
 811     /* Initialize the output structure; we already found an XVideo port,
 812      * and the corresponding chroma we will be using. Since we can
 813      * arbitrary scale, stick to the coordinates and aspect. */
 814     p_vout->output.i_width  = p_vout->render.i_width;
 815     p_vout->output.i_height = p_vout->render.i_height;
 816     p_vout->output.i_aspect = p_vout->render.i_aspect;
 817
 818     p_vout->fmt_out = p_vout->fmt_in;
 819     p_vout->fmt_out.i_chroma = p_vout->output.i_chroma;
 820
 821 #if XvVersion < 2 || ( XvVersion == 2 && XvRevision < 2 )
 822     switch( p_vout->output.i_chroma )
 823     {
 824         case VLC_FOURCC('R','V','1','6'):
 825 #if defined( WORDS_BIGENDIAN )
 826             p_vout->output.i_rmask = 0xf800;
 827             p_vout->output.i_gmask = 0x07e0;
 828             p_vout->output.i_bmask = 0x001f;
 829 #else
 830             p_vout->output.i_rmask = 0x001f;
 831             p_vout->output.i_gmask = 0x07e0;
 832             p_vout->output.i_bmask = 0xf800;
 833 #endif
 834             break;
 835         case VLC_FOURCC('R','V','1','5'):
 836 #if defined( WORDS_BIGENDIAN )
 837             p_vout->output.i_rmask = 0x7c00;
 838             p_vout->output.i_gmask = 0x03e0;
 839             p_vout->output.i_bmask = 0x001f;
 840 #else
 841             p_vout->output.i_rmask = 0x001f;
 842             p_vout->output.i_gmask = 0x03e0;
 843             p_vout->output.i_bmask = 0x7c00;
 844 #endif
 845             break;
 846     }
 847 #endif
 848
 849 #elif defined(MODULE_NAME_IS_x11)
 850     /* Initialize the output structure: RGB with square pixels, whatever
 851      * the input format is, since it's the only format we know */
 852     switch( p_vout->p_sys->i_screen_depth )
 853     {
 854         case 8: /* FIXME: set the palette */
 855             p_vout->output.i_chroma = VLC_FOURCC('R','G','B','2'); break;
 856         case 15:
 857             p_vout->output.i_chroma = VLC_FOURCC('R','V','1','5'); break;
 858         case 16:
 859             p_vout->output.i_chroma = VLC_FOURCC('R','V','1','6'); break;
 860         case 24:
 861         case 32:
 862             p_vout->output.i_chroma = VLC_FOURCC('R','V','3','2'); break;
 863         default:
 864             msg_Err( p_vout, "unknown screen depth %i",
 865                      p_vout->p_sys->i_screen_depth );
 866             return VLC_SUCCESS;
 867     }
 868
 869 #ifdef HAVE_XSP
 870     vout_PlacePicture( p_vout, p_vout->p_sys->p_win->i_width  / p_vout->p_sys->i_hw_scale,
 871                        p_vout->p_sys->p_win->i_height  / p_vout->p_sys->i_hw_scale,
 872                        &i_index, &i_index,
 873                        &p_vout->fmt_out.i_visible_width,
 874                        &p_vout->fmt_out.i_visible_height );
 875 #else
 876     vout_PlacePicture( p_vout, p_vout->p_sys->p_win->i_width,
 877                        p_vout->p_sys->p_win->i_height,
 878                        &i_index, &i_index,
 879                        &p_vout->fmt_out.i_visible_width,
 880                        &p_vout->fmt_out.i_visible_height );
 881 #endif
 882
 883     p_vout->fmt_out.i_chroma = p_vout->output.i_chroma;
 884
 885     p_vout->output.i_width = p_vout->fmt_out.i_width =
 886         p_vout->fmt_out.i_visible_width * p_vout->fmt_in.i_width /
 887         p_vout->fmt_in.i_visible_width;
 888     p_vout->output.i_height = p_vout->fmt_out.i_height =
 889         p_vout->fmt_out.i_visible_height * p_vout->fmt_in.i_height /
 890         p_vout->fmt_in.i_visible_height;
 891     p_vout->fmt_out.i_x_offset =
 892         p_vout->fmt_out.i_visible_width * p_vout->fmt_in.i_x_offset /
 893         p_vout->fmt_in.i_visible_width;
 894     p_vout->fmt_out.i_y_offset =
 895         p_vout->fmt_out.i_visible_height * p_vout->fmt_in.i_y_offset /
 896         p_vout->fmt_in.i_visible_height;
 897
 898     p_vout->fmt_out.i_sar_num = p_vout->fmt_out.i_sar_den = 1;
 899     p_vout->output.i_aspect = p_vout->fmt_out.i_aspect =
 900         p_vout->fmt_out.i_width * VOUT_ASPECT_FACTOR /p_vout->fmt_out.i_height;
 901
 902     msg_Dbg( p_vout, "x11 image size %ix%i (%i,%i,%ix%i)",
 903              p_vout->fmt_out.i_width, p_vout->fmt_out.i_height,
 904              p_vout->fmt_out.i_x_offset, p_vout->fmt_out.i_y_offset,
 905              p_vout->fmt_out.i_visible_width,
 906              p_vout->fmt_out.i_visible_height );
 907 #endif
 908
 909     /* Try to initialize up to MAX_DIRECTBUFFERS direct buffers */
 910     while( I_OUTPUTPICTURES < MAX_DIRECTBUFFERS )
 911     {
 912         p_pic = NULL;
 913
 914         /* Find an empty picture slot */
 915         for( i_index = 0 ; i_index < VOUT_MAX_PICTURES ; i_index++ )
 916         {
 917           if( p_vout->p_picture[ i_index ].i_status == FREE_PICTURE )
 918             {
 919                 p_pic = p_vout->p_picture + i_index;
 920                 break;
 921             }
 922         }
 923
 924         /* Allocate the picture */
 925         if( p_pic == NULL || NewPicture( p_vout, p_pic ) )
 926         {
 927             break;
 928         }
 929
 930         p_pic->i_status = DESTROYED_PICTURE;
 931         p_pic->i_type   = DIRECT_PICTURE;
 932
 933         PP_OUTPUTPICTURE[ I_OUTPUTPICTURES ] = p_pic;
 934
 935         I_OUTPUTPICTURES++;
 936     }
 937
 938     if( p_vout->output.i_chroma == VLC_FOURCC('Y','V','1','2') )
 939     {
 940         /* U and V inverted compared to I420
 941          * Fixme: this should be handled by the vout core */
 942         p_vout->output.i_chroma = VLC_FOURCC('I','4','2','0');
 943         p_vout->fmt_out.i_chroma = VLC_FOURCC('I','4','2','0');
 944     }
 945
 946     return VLC_SUCCESS;
 947 }
 948
 949 /*****************************************************************************
 950  * DisplayVideo: displays previously rendered output
 951  *****************************************************************************
 952  * This function sends the currently rendered image to X11 server.
 953  * (The Xv extension takes care of "double-buffering".)
 954  *****************************************************************************/
 955 static void DisplayVideo( vout_thread_t *p_vout, picture_t *p_pic )
 956 {
 957     unsigned int i_width, i_height, i_x, i_y;
 958
 959     vout_PlacePicture( p_vout, p_vout->p_sys->p_win->i_width,
 960                        p_vout->p_sys->p_win->i_height,
 961                        &i_x, &i_y, &i_width, &i_height );
 962
 963 #ifdef MODULE_NAME_IS_xvmc
 964     xvmc_context_reader_lock( &p_vout->p_sys->xvmc_lock );
 965
 966     vlc_xxmc_t *xxmc = &p_pic->p_sys->xxmc_data;
 967     if( !xxmc->decoded ||
 968         !xxmc_xvmc_surface_valid( p_vout, p_pic->p_sys->xvmc_surf ) )
 969     {
 970       msg_Dbg( p_vout, "DisplayVideo decoded=%d\tsurfacevalid=%d",
 971                xxmc->decoded,
 972                xxmc_xvmc_surface_valid( p_vout, p_pic->p_sys->xvmc_surf ) );
 973       xvmc_context_reader_unlock( &p_vout->p_sys->xvmc_lock );
 974       return;
 975     }
 976
 977     int src_width = p_vout->output.i_width;
 978     int src_height = p_vout->output.i_height;
 979     int src_x, src_y;
 980
 981     if( p_vout->p_sys->xvmc_crop_style == 1 )
 982     {
 983         src_x = 20;
 984         src_y = 20;
 985         src_width -= 40;
 986         src_height -= 40;
 987     }
 988     else if( p_vout->p_sys->xvmc_crop_style == 2 )
 989     {
 990         src_x = 20;
 991         src_y = 40;
 992         src_width -= 40;
 993         src_height -= 80;
 994     }
 995     else if( p_vout->p_sys->xvmc_crop_style == 3 )
 996     {
 997         src_x = 40;
 998         src_y = 20;
 999         src_width -= 80;
1000         src_height -= 40;
1001     }
1002     else
1003     {
1004         src_x = 0;
1005         src_y = 0;
1006     }
1007
1008     int first_field;
1009     if( p_vout->p_sys->xvmc_deinterlace_method > 0 )
1010     {   /* BOB DEINTERLACE */
1011         if( (p_pic->p_sys->nb_display == 0) ||
1012             (p_vout->p_sys->xvmc_deinterlace_method == 1) )
1013         {
1014             first_field = (p_pic->b_top_field_first) ?
1015                                 XVMC_BOTTOM_FIELD : XVMC_TOP_FIELD;
1016         }
1017         else
1018         {
1019             first_field = (p_pic->b_top_field_first) ?
1020                                 XVMC_TOP_FIELD : XVMC_BOTTOM_FIELD;
1021         }
1022     }
1023     else
1024     {
1025         first_field = XVMC_FRAME_PICTURE;
1026      }
1027
1028     XVMCLOCKDISPLAY( p_vout->p_sys->p_display );
1029     XvMCFlushSurface( p_vout->p_sys->p_display, p_pic->p_sys->xvmc_surf );
1030     /* XvMCSyncSurface(p_vout->p_sys->p_display, p_picture->p_sys->xvmc_surf); */
1031     XvMCPutSurface( p_vout->p_sys->p_display,
1032                     p_pic->p_sys->xvmc_surf,
1033                     p_vout->p_sys->p_win->video_window,
1034                     src_x,
1035                     src_y,
1036                     src_width,
1037                     src_height,
1038                     0 /*dest_x*/,
1039                     0 /*dest_y*/,
1040                     i_width,
1041                     i_height,
1042                     first_field);
1043
1044     XVMCUNLOCKDISPLAY( p_vout->p_sys->p_display );
1045     if( p_vout->p_sys->xvmc_deinterlace_method == 2 )
1046     {   /* BOB DEINTERLACE */
1047         if( p_pic->p_sys->nb_display == 0 )/* && ((t2-t1) < 15000)) */
1048         {
1049             mtime_t last_date = p_pic->date;
1050
1051             vlc_mutex_lock( &p_vout->picture_lock );
1052             if( !p_vout->p_sys->last_date )
1053             {
1054                 p_pic->date += 20000;
1055             }
1056             else
1057             {
1058                 p_pic->date = ((3 * p_pic->date -
1059                                     p_vout->p_sys->last_date) / 2 );
1060             }
1061             p_vout->p_sys->last_date = last_date;
1062             p_pic->b_force = 1;
1063             p_pic->p_sys->nb_display = 1;
1064             vlc_mutex_unlock( &p_vout->picture_lock );
1065         }
1066         else
1067         {
1068             p_pic->p_sys->nb_display = 0;
1069             p_pic->b_force = 0;
1070         }
1071     }
1072     xvmc_context_reader_unlock( &p_vout->p_sys->xvmc_lock );
1073 #endif
1074
1075 #ifdef HAVE_SYS_SHM_H
1076     if( p_vout->p_sys->i_shm_opcode )
1077     {
1078         /* Display rendered image using shared memory extension */
1079 #   if defined(MODULE_NAME_IS_xvideo) || defined(MODULE_NAME_IS_xvmc)
1080         XvShmPutImage( p_vout->p_sys->p_display, p_vout->p_sys->i_xvport,
1081                        p_vout->p_sys->p_win->video_window,
1082                        p_vout->p_sys->p_win->gc, p_pic->p_sys->p_image,
1083                        p_vout->fmt_out.i_x_offset,
1084                        p_vout->fmt_out.i_y_offset,
1085                        p_vout->fmt_out.i_visible_width,
1086                        p_vout->fmt_out.i_visible_height,
1087                        0 /*dest_x*/, 0 /*dest_y*/, i_width, i_height,
1088                        False /* Don't put True here or you'll waste your CPU */ );
1089 #   else
1090         XShmPutImage( p_vout->p_sys->p_display,
1091                       p_vout->p_sys->p_win->video_window,
1092                       p_vout->p_sys->p_win->gc, p_pic->p_sys->p_image,
1093                       p_vout->fmt_out.i_x_offset,
1094                       p_vout->fmt_out.i_y_offset,
1095                       0 /*dest_x*/, 0 /*dest_y*/,
1096                       p_vout->fmt_out.i_visible_width,
1097                       p_vout->fmt_out.i_visible_height,
1098                       False /* Don't put True here ! */ );
1099 #   endif
1100     }
1101     else
1102 #endif /* HAVE_SYS_SHM_H */
1103     {
1104         /* Use standard XPutImage -- this is gonna be slow ! */
1105 #if defined(MODULE_NAME_IS_xvideo) || defined(MODULE_NAME_IS_xvmc)
1106         XvPutImage( p_vout->p_sys->p_display, p_vout->p_sys->i_xvport,
1107                     p_vout->p_sys->p_win->video_window,
1108                     p_vout->p_sys->p_win->gc, p_pic->p_sys->p_image,
1109                     p_vout->fmt_out.i_x_offset,
1110                     p_vout->fmt_out.i_y_offset,
1111                     p_vout->fmt_out.i_visible_width,
1112                     p_vout->fmt_out.i_visible_height,
1113                     0 /*dest_x*/, 0 /*dest_y*/, i_width, i_height );
1114 #else
1115         XPutImage( p_vout->p_sys->p_display,
1116                    p_vout->p_sys->p_win->video_window,
1117                    p_vout->p_sys->p_win->gc, p_pic->p_sys->p_image,
1118                    p_vout->fmt_out.i_x_offset,
1119                    p_vout->fmt_out.i_y_offset,
1120                    0 /*dest_x*/, 0 /*dest_y*/,
1121                    p_vout->fmt_out.i_visible_width,
1122                    p_vout->fmt_out.i_visible_height );
1123 #endif
1124     }
1125
1126     /* Make sure the command is sent now - do NOT use XFlush !*/
1127     XSync( p_vout->p_sys->p_display, False );
1128 }
1129
1130 /*****************************************************************************
1131  * ManageVideo: handle X11 events
1132  *****************************************************************************
1133  * This function should be called regularly by video output thread. It manages
1134  * X11 events and allows window resizing. It returns a non null value on
1135  * error.
1136  *****************************************************************************/
1137 static int ManageVideo( vout_thread_t *p_vout )
1138 {
1139     XEvent      xevent;                                         /* X11 event */
1140     vlc_value_t val;
1141
1142 #ifdef MODULE_NAME_IS_xvmc
1143     xvmc_context_reader_lock( &p_vout->p_sys->xvmc_lock );
1144 #endif
1145
1146     /* Handle events from the owner window */
1147     if( p_vout->p_sys->p_win->owner_window )
1148     {
1149         while( XCheckWindowEvent( p_vout->p_sys->p_display,
1150                                 p_vout->p_sys->p_win->owner_window->handle.xid,
1151                                   StructureNotifyMask, &xevent ) == True )
1152         {
1153             /* ConfigureNotify event: prepare  */
1154             if( xevent.type == ConfigureNotify )
1155             {
1156                 /* Update dimensions */
1157                 XResizeWindow( p_vout->p_sys->p_display,
1158                                p_vout->p_sys->p_win->base_window,
1159                                xevent.xconfigure.width,
1160                                xevent.xconfigure.height );
1161             }
1162         }
1163     }
1164
1165     /* Handle X11 events: ConfigureNotify events are parsed to know if the
1166      * output window's size changed, MapNotify and UnmapNotify to know if the
1167      * window is mapped (and if the display is useful), and ClientMessages
1168      * to intercept window destruction requests */
1169
1170     while( XCheckWindowEvent( p_vout->p_sys->p_display,
1171                               p_vout->p_sys->p_win->base_window,
1172                               StructureNotifyMask | KeyPressMask |
1173                               ButtonPressMask | ButtonReleaseMask |
1174                               PointerMotionMask | Button1MotionMask , &xevent )
1175            == True )
1176     {
1177         /* ConfigureNotify event: prepare  */
1178         if( xevent.type == ConfigureNotify )
1179         {
1180             if( (unsigned int)xevent.xconfigure.width
1181                    != p_vout->p_sys->p_win->i_width
1182               || (unsigned int)xevent.xconfigure.height
1183                     != p_vout->p_sys->p_win->i_height )
1184             {
1185                 /* Update dimensions */
1186                 p_vout->i_changes |= VOUT_SIZE_CHANGE;
1187                 p_vout->p_sys->p_win->i_width = xevent.xconfigure.width;
1188                 p_vout->p_sys->p_win->i_height = xevent.xconfigure.height;
1189             }
1190         }
1191         /* Keyboard event */
1192         else if( xevent.type == KeyPress )
1193         {
1194             unsigned int state = xevent.xkey.state;
1195             KeySym x_key_symbol;
1196             char i_key;                                   /* ISO Latin-1 key */
1197
1198             /* We may have keys like F1 trough F12, ESC ... */
1199             x_key_symbol = XKeycodeToKeysym( p_vout->p_sys->p_display,
1200                                              xevent.xkey.keycode, 0 );
1201             val.i_int = ConvertKey( (int)x_key_symbol );
1202
1203             xevent.xkey.state &= ~ShiftMask;
1204             xevent.xkey.state &= ~ControlMask;
1205             xevent.xkey.state &= ~Mod1Mask;
1206
1207             if( !val.i_int &&
1208                 XLookupString( &xevent.xkey, &i_key, 1, NULL, NULL ) )
1209             {
1210                 /* "Normal Keys"
1211                  * The reason why I use this instead of XK_0 is that
1212                  * with XLookupString, we don't have to care about
1213                  * keymaps. */
1214                 val.i_int = i_key;
1215             }
1216
1217             if( val.i_int )
1218             {
1219                 if( state & ShiftMask )
1220                 {
1221                     val.i_int |= KEY_MODIFIER_SHIFT;
1222                 }
1223                 if( state & ControlMask )
1224                 {
1225                     val.i_int |= KEY_MODIFIER_CTRL;
1226                 }
1227                 if( state & Mod1Mask )
1228                 {
1229                     val.i_int |= KEY_MODIFIER_ALT;
1230                 }
1231                 var_Set( p_vout->p_libvlc, "key-pressed", val );
1232             }
1233         }
1234         /* Mouse click */
1235         else if( xevent.type == ButtonPress )
1236         {
1237             switch( ((XButtonEvent *)&xevent)->button )
1238             {
1239                 case Button1:
1240                     var_Get( p_vout, "mouse-button-down", &val );
1241                     val.i_int |= 1;
1242                     var_Set( p_vout, "mouse-button-down", val );
1243
1244                     /* detect double-clicks */
1245                     if( ( ((XButtonEvent *)&xevent)->time -
1246                           p_vout->p_sys->i_time_button_last_pressed ) < 300 )
1247                     {
1248                         p_vout->i_changes |= VOUT_FULLSCREEN_CHANGE;
1249                     }
1250
1251                     p_vout->p_sys->i_time_button_last_pressed =
1252                         ((XButtonEvent *)&xevent)->time;
1253                     break;
1254                 case Button2:
1255                     var_Get( p_vout, "mouse-button-down", &val );
1256                     val.i_int |= 2;
1257                     var_Set( p_vout, "mouse-button-down", val );
1258                     break;
1259
1260                 case Button3:
1261                     var_Get( p_vout, "mouse-button-down", &val );
1262                     val.i_int |= 4;
1263                     var_Set( p_vout, "mouse-button-down", val );
1264                     break;
1265
1266                 case Button4:
1267                     var_Get( p_vout, "mouse-button-down", &val );
1268                     val.i_int |= 8;
1269                     var_Set( p_vout, "mouse-button-down", val );
1270                     break;
1271
1272                 case Button5:
1273                     var_Get( p_vout, "mouse-button-down", &val );
1274                     val.i_int |= 16;
1275                     var_Set( p_vout, "mouse-button-down", val );
1276                     break;
1277             }
1278         }
1279         /* Mouse release */
1280         else if( xevent.type == ButtonRelease )
1281         {
1282             switch( ((XButtonEvent *)&xevent)->button )
1283             {
1284                 case Button1:
1285                     {
1286                         var_Get( p_vout, "mouse-button-down", &val );
1287                         val.i_int &= ~1;
1288                         var_Set( p_vout, "mouse-button-down", val );
1289
1290                         var_SetBool( p_vout, "mouse-clicked", true );
1291                         var_SetBool( p_vout->p_libvlc, "intf-popupmenu", false );
1292                     }
1293                     break;
1294
1295                 case Button2:
1296                     {
1297                         var_Get( p_vout, "mouse-button-down", &val );
1298                         val.i_int &= ~2;
1299                         var_Set( p_vout, "mouse-button-down", val );
1300
1301                         var_Get( p_vout->p_libvlc, "intf-show", &val );
1302                         val.b_bool = !val.b_bool;
1303                         var_Set( p_vout->p_libvlc, "intf-show", val );
1304                     }
1305                     break;
1306
1307                 case Button3:
1308                     {
1309                         var_Get( p_vout, "mouse-button-down", &val );
1310                         val.i_int &= ~4;
1311                         var_Set( p_vout, "mouse-button-down", val );
1312
1313                         var_SetBool( p_vout->p_libvlc, "intf-popupmenu", true );
1314                     }
1315                     break;
1316
1317                 case Button4:
1318                     var_Get( p_vout, "mouse-button-down", &val );
1319                     val.i_int &= ~8;
1320                     var_Set( p_vout, "mouse-button-down", val );
1321                     break;
1322
1323                 case Button5:
1324                     var_Get( p_vout, "mouse-button-down", &val );
1325                     val.i_int &= ~16;
1326                     var_Set( p_vout, "mouse-button-down", val );
1327                     break;
1328
1329             }
1330         }
1331         /* Mouse move */
1332         else if( xevent.type == MotionNotify )
1333         {
1334             unsigned int i_width, i_height, i_x, i_y;
1335
1336             /* somewhat different use for vout_PlacePicture:
1337              * here the values are needed to give to mouse coordinates
1338              * in the original picture space */
1339             vout_PlacePicture( p_vout, p_vout->p_sys->p_win->i_width,
1340                                p_vout->p_sys->p_win->i_height,
1341                                &i_x, &i_y, &i_width, &i_height );
1342
1343             /* Compute the x coordinate and check if the value is
1344                in [0,p_vout->fmt_in.i_visible_width] */
1345             val.i_int = ( xevent.xmotion.x - i_x ) *
1346                 p_vout->fmt_in.i_visible_width / i_width +
1347                 p_vout->fmt_in.i_x_offset;
1348
1349             if( (int)(xevent.xmotion.x - i_x) < 0 )
1350                 val.i_int = 0;
1351             else if( (unsigned int)val.i_int > p_vout->fmt_in.i_visible_width )
1352                 val.i_int = p_vout->fmt_in.i_visible_width;
1353
1354             var_Set( p_vout, "mouse-x", val );
1355
1356             /* compute the y coordinate and check if the value is
1357                in [0,p_vout->fmt_in.i_visible_height] */
1358             val.i_int = ( xevent.xmotion.y - i_y ) *
1359                 p_vout->fmt_in.i_visible_height / i_height +
1360                 p_vout->fmt_in.i_y_offset;
1361
1362             if( (int)(xevent.xmotion.y - i_y) < 0 )
1363                 val.i_int = 0;
1364             else if( (unsigned int)val.i_int > p_vout->fmt_in.i_visible_height )
1365                 val.i_int = p_vout->fmt_in.i_visible_height;
1366
1367             var_Set( p_vout, "mouse-y", val );
1368
1369             var_SetBool( p_vout, "mouse-moved", true );
1370
1371             p_vout->p_sys->i_time_mouse_last_moved = mdate();
1372             if( ! p_vout->p_sys->b_mouse_pointer_visible )
1373             {
1374                 ToggleCursor( p_vout );
1375             }
1376         }
1377         else if( xevent.type == ReparentNotify /* XXX: why do we get this? */
1378                   || xevent.type == MapNotify
1379                   || xevent.type == UnmapNotify )
1380         {
1381             /* Ignore these events */
1382         }
1383         else /* Other events */
1384         {
1385             msg_Warn( p_vout, "unhandled event %d received", xevent.type );
1386         }
1387     }
1388
1389     /* Handle events for video output sub-window */
1390     while( XCheckWindowEvent( p_vout->p_sys->p_display,
1391                               p_vout->p_sys->p_win->video_window,
1392                               ExposureMask, &xevent ) == True )
1393     {
1394         /* Window exposed (only handled if stream playback is paused) */
1395         if( xevent.type == Expose )
1396         {
1397             if( ((XExposeEvent *)&xevent)->count == 0 )
1398             {
1399                 /* (if this is the last a collection of expose events...) */
1400
1401 #if defined(MODULE_NAME_IS_xvideo)
1402                 x11_window_t *p_win = p_vout->p_sys->p_win;
1403
1404                 /* Paint the colour key if needed */
1405                 if( p_vout->p_sys->b_paint_colourkey &&
1406                     xevent.xexpose.window == p_win->video_window )
1407                 {
1408                     XSetForeground( p_vout->p_sys->p_display,
1409                                     p_win->gc, p_vout->p_sys->i_colourkey );
1410                     XFillRectangle( p_vout->p_sys->p_display,
1411                                     p_win->video_window, p_win->gc, 0, 0,
1412                                     p_win->i_width, p_win->i_height );
1413                 }
1414 #endif
1415
1416 #if 0
1417                 if( p_vout->p_libvlc->p_input_bank->pp_input[0] != NULL )
1418                 {
1419                     if( PAUSE_S == p_vout->p_libvlc->p_input_bank->pp_input[0]
1420                                                    ->stream.control.i_status )
1421                     {
1422                         /* XVideoDisplay( p_vout )*/;
1423                     }
1424                 }
1425 #endif
1426             }
1427         }
1428     }
1429
1430     /* ClientMessage event - only WM_PROTOCOLS with WM_DELETE_WINDOW data
1431      * are handled - according to the man pages, the format is always 32
1432      * in this case */
1433     while( XCheckTypedEvent( p_vout->p_sys->p_display,
1434                              ClientMessage, &xevent ) )
1435     {
1436         if( (xevent.xclient.message_type == p_vout->p_sys->p_win->wm_protocols)
1437                && ((Atom)xevent.xclient.data.l[0]
1438                      == p_vout->p_sys->p_win->wm_delete_window ) )
1439         {
1440             /* the user wants to close the window */
1441             playlist_t * p_playlist = pl_Hold( p_vout );
1442             if( p_playlist != NULL )
1443             {
1444                 playlist_Stop( p_playlist );
1445                 pl_Release( p_vout );
1446             }
1447         }
1448     }
1449
1450     /*
1451      * Fullscreen Change
1452      */
1453     if ( p_vout->i_changes & VOUT_FULLSCREEN_CHANGE )
1454     {
1455         /* Update the object variable and trigger callback */
1456         var_SetBool( p_vout, "fullscreen", !p_vout->b_fullscreen );
1457
1458         ToggleFullScreen( p_vout );
1459         p_vout->i_changes &= ~VOUT_FULLSCREEN_CHANGE;
1460     }
1461
1462     /* autoscale toggle */
1463     if( p_vout->i_changes & VOUT_SCALE_CHANGE )
1464     {
1465         p_vout->i_changes &= ~VOUT_SCALE_CHANGE;
1466
1467         p_vout->b_autoscale = var_GetBool( p_vout, "autoscale" );
1468         p_vout->i_zoom = ZOOM_FP_FACTOR;
1469
1470         p_vout->i_changes |= VOUT_SIZE_CHANGE;
1471     }
1472
1473     /* scaling factor */
1474     if( p_vout->i_changes & VOUT_ZOOM_CHANGE )
1475     {
1476         p_vout->i_changes &= ~VOUT_ZOOM_CHANGE;
1477
1478         p_vout->b_autoscale = false;
1479         p_vout->i_zoom =
1480             (int)( ZOOM_FP_FACTOR * var_GetFloat( p_vout, "scale" ) );
1481
1482         p_vout->i_changes |= VOUT_SIZE_CHANGE;
1483     }
1484
1485     if( p_vout->i_changes & VOUT_CROP_CHANGE ||
1486         p_vout->i_changes & VOUT_ASPECT_CHANGE )
1487     {
1488         p_vout->i_changes &= ~VOUT_CROP_CHANGE;
1489         p_vout->i_changes &= ~VOUT_ASPECT_CHANGE;
1490
1491         p_vout->fmt_out.i_x_offset = p_vout->fmt_in.i_x_offset;
1492         p_vout->fmt_out.i_y_offset = p_vout->fmt_in.i_y_offset;
1493         p_vout->fmt_out.i_visible_width = p_vout->fmt_in.i_visible_width;
1494         p_vout->fmt_out.i_visible_height = p_vout->fmt_in.i_visible_height;
1495         p_vout->fmt_out.i_aspect = p_vout->fmt_in.i_aspect;
1496         p_vout->fmt_out.i_sar_num = p_vout->fmt_in.i_sar_num;
1497         p_vout->fmt_out.i_sar_den = p_vout->fmt_in.i_sar_den;
1498         p_vout->output.i_aspect = p_vout->fmt_in.i_aspect;
1499
1500         p_vout->i_changes |= VOUT_SIZE_CHANGE;
1501     }
1502
1503     /*
1504      * Size change
1505      *
1506      * (Needs to be placed after VOUT_FULLSREEN_CHANGE because we can activate
1507      *  the size flag inside the fullscreen routine)
1508      */
1509     if( p_vout->i_changes & VOUT_SIZE_CHANGE )
1510     {
1511         unsigned int i_width, i_height, i_x, i_y;
1512
1513         p_vout->i_changes &= ~VOUT_SIZE_CHANGE;
1514
1515 #ifdef MODULE_NAME_IS_x11
1516         /* We need to signal the vout thread about the size change because it
1517          * is doing the rescaling */
1518         p_vout->i_changes |= VOUT_SIZE_CHANGE;
1519 #endif
1520
1521         vout_PlacePicture( p_vout, p_vout->p_sys->p_win->i_width,
1522                            p_vout->p_sys->p_win->i_height,
1523                            &i_x, &i_y, &i_width, &i_height );
1524
1525         XMoveResizeWindow( p_vout->p_sys->p_display,
1526                            p_vout->p_sys->p_win->video_window,
1527                            i_x, i_y, i_width, i_height );
1528     }
1529
1530     /* cursor hiding depending on --vout-event option
1531      *      activated if:
1532      *            value = 1 (Fullsupport) (default value)
1533      *         or value = 2 (Fullscreen-Only) and condition met
1534      */
1535     bool b_vout_event = (   ( p_vout->p_sys->i_vout_event == 1 )
1536                          || ( p_vout->p_sys->i_vout_event == 2 && p_vout->b_fullscreen )
1537                         );
1538
1539     /* Autohide Cursour */
1540     if( mdate() - p_vout->p_sys->i_time_mouse_last_moved >
1541         p_vout->p_sys->i_mouse_hide_timeout )
1542     {
1543         /* Hide the mouse automatically */
1544         if( b_vout_event && p_vout->p_sys->b_mouse_pointer_visible )
1545         {
1546             ToggleCursor( p_vout );
1547         }
1548     }
1549
1550 #ifdef MODULE_NAME_IS_xvmc
1551     xvmc_context_reader_unlock( &p_vout->p_sys->xvmc_lock );
1552 #endif
1553
1554 #ifdef HAVE_OSSO
1555     if ( p_vout->p_sys->p_octx != NULL ) {
1556         if ( p_vout->p_sys->i_backlight_on_counter == i_backlight_on_interval ) {
1557             if ( osso_display_blanking_pause( p_vout->p_sys->p_octx ) != OSSO_OK ) {
1558                 msg_Err( p_vout, "Could not disable backlight blanking" );
1559         } else {
1560                 msg_Dbg( p_vout, "Backlight blanking disabled" );
1561             }
1562             p_vout->p_sys->i_backlight_on_counter = 0;
1563         } else {
1564             p_vout->p_sys->i_backlight_on_counter ++;
1565         }
1566     }
1567 #endif
1568     return 0;
1569 }
1570
1571 /*****************************************************************************
1572  * EndVideo: terminate X11 video thread output method
1573  *****************************************************************************
1574  * Destroy the X11 XImages created by Init. It is called at the end of
1575  * the thread, but also each time the window is resized.
1576  *****************************************************************************/
1577 static void EndVideo( vout_thread_t *p_vout )
1578 {
1579     int i_index;
1580
1581     /* Free the direct buffers we allocated */
1582     for( i_index = I_OUTPUTPICTURES ; i_index ; )
1583     {
1584         i_index--;
1585         FreePicture( p_vout, PP_OUTPUTPICTURE[ i_index ] );
1586     }
1587 }
1588
1589 /* following functions are local */
1590
1591 /*****************************************************************************
1592  * CreateWindow: open and set-up X11 main window
1593  *****************************************************************************/
1594 static int CreateWindow( vout_thread_t *p_vout, x11_window_t *p_win )
1595 {
1596     XSizeHints              xsize_hints;
1597     XSetWindowAttributes    xwindow_attributes;
1598     XGCValues               xgcvalues;
1599     XEvent                  xevent;
1600
1601     bool              b_expose = false;
1602     bool              b_configure_notify = false;
1603     bool              b_map_notify = false;
1604     vlc_value_t             val;
1605
1606     /* Prepare window manager hints and properties */
1607     p_win->wm_protocols =
1608              XInternAtom( p_vout->p_sys->p_display, "WM_PROTOCOLS", True );
1609     p_win->wm_delete_window =
1610              XInternAtom( p_vout->p_sys->p_display, "WM_DELETE_WINDOW", True );
1611
1612     /* Never have a 0-pixel-wide window */
1613     xsize_hints.min_width = 2;
1614     xsize_hints.min_height = 1;
1615
1616     /* Prepare window attributes */
1617     xwindow_attributes.backing_store = Always;       /* save the hidden part */
1618     xwindow_attributes.background_pixel = BlackPixel(p_vout->p_sys->p_display,
1619                                                      p_vout->p_sys->i_screen);
1620     xwindow_attributes.event_mask = ExposureMask | StructureNotifyMask;
1621
1622     if( !p_vout->b_fullscreen )
1623     {
1624         p_win->owner_window = vout_RequestXWindow( p_vout, &p_win->i_x,
1625                               &p_win->i_y, &p_win->i_width, &p_win->i_height );
1626         xsize_hints.base_width  = xsize_hints.width = p_win->i_width;
1627         xsize_hints.base_height = xsize_hints.height = p_win->i_height;
1628         xsize_hints.flags       = PSize | PMinSize;
1629
1630         if( p_win->i_x >=0 || p_win->i_y >= 0 )
1631         {
1632             xsize_hints.x = p_win->i_x;
1633             xsize_hints.y = p_win->i_y;
1634             xsize_hints.flags |= PPosition;
1635         }
1636     }
1637     else
1638     {
1639         /* Fullscreen window size and position */
1640         p_win->owner_window = NULL;
1641         p_win->i_x = p_win->i_y = 0;
1642         p_win->i_width =
1643             DisplayWidth( p_vout->p_sys->p_display, p_vout->p_sys->i_screen );
1644         p_win->i_height =
1645             DisplayHeight( p_vout->p_sys->p_display, p_vout->p_sys->i_screen );
1646     }
1647
1648     if( !p_win->owner_window )
1649     {
1650         /* Create the window and set hints - the window must receive
1651          * ConfigureNotify events, and until it is displayed, Expose and
1652          * MapNotify events. */
1653
1654         p_win->base_window =
1655             XCreateWindow( p_vout->p_sys->p_display,
1656                            DefaultRootWindow( p_vout->p_sys->p_display ),
1657                            p_win->i_x, p_win->i_y,
1658                            p_win->i_width, p_win->i_height,
1659                            0,
1660                            0, InputOutput, 0,
1661                            CWBackingStore | CWBackPixel | CWEventMask,
1662                            &xwindow_attributes );
1663
1664         var_Get( p_vout, "video-title", &val );
1665         if( !val.psz_string || !*val.psz_string )
1666         {
1667             XStoreName( p_vout->p_sys->p_display, p_win->base_window,
1668 #ifdef MODULE_NAME_IS_x11
1669                         VOUT_TITLE " (X11 output)"
1670 #elif defined(MODULE_NAME_IS_glx)
1671                         VOUT_TITLE " (GLX output)"
1672 #else
1673                         VOUT_TITLE " (XVideo output)"
1674 #endif
1675               );
1676         }
1677         else
1678         {
1679             XStoreName( p_vout->p_sys->p_display,
1680                         p_win->base_window, val.psz_string );
1681         }
1682         free( val.psz_string );
1683
1684         if( !p_vout->b_fullscreen )
1685         {
1686             const char *argv[] = { "vlc", NULL };
1687
1688             /* Set window manager hints and properties: size hints, command,
1689              * window's name, and accepted protocols */
1690             XSetWMNormalHints( p_vout->p_sys->p_display,
1691                                p_win->base_window, &xsize_hints );
1692             XSetCommand( p_vout->p_sys->p_display, p_win->base_window,
1693                          (char**)argv, 1 );
1694
1695             if( !var_GetBool( p_vout, "video-deco") )
1696             {
1697                 Atom prop;
1698                 mwmhints_t mwmhints;
1699
1700                 mwmhints.flags = MWM_HINTS_DECORATIONS;
1701                 mwmhints.decorations = False;
1702
1703                 prop = XInternAtom( p_vout->p_sys->p_display, "_MOTIF_WM_HINTS",
1704                                     False );
1705
1706                 XChangeProperty( p_vout->p_sys->p_display,
1707                                  p_win->base_window,
1708                                  prop, prop, 32, PropModeReplace,
1709                                  (unsigned char *)&mwmhints,
1710                                  PROP_MWM_HINTS_ELEMENTS );
1711             }
1712         }
1713     }
1714     else
1715     {
1716         Window dummy1;
1717         int dummy2, dummy3;
1718         unsigned int dummy4, dummy5;
1719
1720         /* Select events we are interested in. */
1721         XSelectInput( p_vout->p_sys->p_display,
1722                       p_win->owner_window->handle.xid, StructureNotifyMask );
1723
1724         /* Get the parent window's geometry information */
1725         XGetGeometry( p_vout->p_sys->p_display,
1726                       p_win->owner_window->handle.xid,
1727                       &dummy1, &dummy2, &dummy3,
1728                       &p_win->i_width,
1729                       &p_win->i_height,
1730                       &dummy4, &dummy5 );
1731
1732         /* We are already configured */
1733         b_configure_notify = true;
1734
1735         /* From man XSelectInput: only one client at a time can select a
1736          * ButtonPress event, so we need to open a new window anyway. */
1737         p_win->base_window =
1738             XCreateWindow( p_vout->p_sys->p_display,
1739                            p_win->owner_window->handle.xid,
1740                            0, 0,
1741                            p_win->i_width, p_win->i_height,
1742                            0,
1743                            0, CopyFromParent, 0,
1744                            CWBackingStore | CWBackPixel | CWEventMask,
1745                            &xwindow_attributes );
1746     }
1747
1748     if( (p_win->wm_protocols == None)        /* use WM_DELETE_WINDOW */
1749         || (p_win->wm_delete_window == None)
1750         || !XSetWMProtocols( p_vout->p_sys->p_display, p_win->base_window,
1751                              &p_win->wm_delete_window, 1 ) )
1752     {
1753         /* WM_DELETE_WINDOW is not supported by window manager */
1754         msg_Warn( p_vout, "missing or bad window manager" );
1755     }
1756
1757     /* Creation of a graphic context that doesn't generate a GraphicsExpose
1758      * event when using functions like XCopyArea */
1759     xgcvalues.graphics_exposures = False;
1760     p_win->gc = XCreateGC( p_vout->p_sys->p_display,
1761                            p_win->base_window,
1762                            GCGraphicsExposures, &xgcvalues );
1763
1764     /* Send orders to server, and wait until window is displayed - three
1765      * events must be received: a MapNotify event, an Expose event allowing
1766      * drawing in the window, and a ConfigureNotify to get the window
1767      * dimensions. Once those events have been received, only
1768      * ConfigureNotify events need to be received. */
1769     XMapWindow( p_vout->p_sys->p_display, p_win->base_window );
1770     do
1771     {
1772         XWindowEvent( p_vout->p_sys->p_display, p_win->base_window,
1773                       SubstructureNotifyMask | StructureNotifyMask |
1774                       ExposureMask, &xevent);
1775         if( (xevent.type == Expose)
1776             && (xevent.xexpose.window == p_win->base_window) )
1777         {
1778             b_expose = true;
1779             /* ConfigureNotify isn't sent if there isn't a window manager.
1780              * Expose should be the last event to be received so it should
1781              * be fine to assume we won't receive it anymore. */
1782             b_configure_notify = true;
1783         }
1784         else if( (xevent.type == MapNotify)
1785                  && (xevent.xmap.window == p_win->base_window) )
1786         {
1787             b_map_notify = true;
1788         }
1789         else if( (xevent.type == ConfigureNotify)
1790                  && (xevent.xconfigure.window == p_win->base_window) )
1791         {
1792             b_configure_notify = true;
1793             p_win->i_width = xevent.xconfigure.width;
1794             p_win->i_height = xevent.xconfigure.height;
1795         }
1796     } while( !( b_expose && b_configure_notify && b_map_notify ) );
1797
1798     /* key and mouse events handling depending on --vout-event option
1799      *      activated if:
1800      *            value = 1 (Fullsupport) (default value)
1801      *         or value = 2 (Fullscreen-Only) and condition met
1802      */
1803     bool b_vout_event = (   ( p_vout->p_sys->i_vout_event == 1 )
1804                          || ( p_vout->p_sys->i_vout_event == 2 && p_vout->b_fullscreen )
1805                         );
1806     if ( b_vout_event )
1807         XSelectInput( p_vout->p_sys->p_display, p_win->base_window,
1808                       StructureNotifyMask | KeyPressMask |
1809                       ButtonPressMask | ButtonReleaseMask |
1810                       PointerMotionMask );
1811
1812 #ifdef MODULE_NAME_IS_x11
1813     if( XDefaultDepth(p_vout->p_sys->p_display, p_vout->p_sys->i_screen) == 8 )
1814     {
1815         /* Allocate a new palette */
1816         p_vout->p_sys->colormap =
1817             XCreateColormap( p_vout->p_sys->p_display,
1818                              DefaultRootWindow( p_vout->p_sys->p_display ),
1819                              DefaultVisual( p_vout->p_sys->p_display,
1820                                             p_vout->p_sys->i_screen ),
1821                              AllocAll );
1822
1823         xwindow_attributes.colormap = p_vout->p_sys->colormap;
1824         XChangeWindowAttributes( p_vout->p_sys->p_display, p_win->base_window,
1825                                  CWColormap, &xwindow_attributes );
1826     }
1827 #endif
1828
1829     /* Create video output sub-window. */
1830     p_win->video_window =  XCreateSimpleWindow(
1831                                       p_vout->p_sys->p_display,
1832                                       p_win->base_window, 0, 0,
1833                                       p_win->i_width, p_win->i_height,
1834                                       0,
1835                                       BlackPixel( p_vout->p_sys->p_display,
1836                                                   p_vout->p_sys->i_screen ),
1837                                       WhitePixel( p_vout->p_sys->p_display,
1838                                                   p_vout->p_sys->i_screen ) );
1839
1840     XSetWindowBackground( p_vout->p_sys->p_display, p_win->video_window,
1841                           BlackPixel( p_vout->p_sys->p_display,
1842                                       p_vout->p_sys->i_screen ) );
1843
1844     XMapWindow( p_vout->p_sys->p_display, p_win->video_window );
1845     XSelectInput( p_vout->p_sys->p_display, p_win->video_window,
1846                   ExposureMask );
1847
1848     /* make sure the video window will be centered in the next ManageVideo() */
1849     p_vout->i_changes |= VOUT_SIZE_CHANGE;
1850
1851     /* If the cursor was formerly blank than blank it again */
1852     if( !p_vout->p_sys->b_mouse_pointer_visible )
1853     {
1854         ToggleCursor( p_vout );
1855         ToggleCursor( p_vout );
1856     }
1857
1858     /* Do NOT use XFlush here ! */
1859     XSync( p_vout->p_sys->p_display, False );
1860
1861     /* At this stage, the window is open, displayed, and ready to
1862      * receive data */
1863     p_vout->p_sys->p_win = p_win;
1864
1865     return VLC_SUCCESS;
1866 }
1867
1868 /*****************************************************************************
1869  * DestroyWindow: destroy the window
1870  *****************************************************************************
1871  *
1872  *****************************************************************************/
1873 static void DestroyWindow( vout_thread_t *p_vout, x11_window_t *p_win )
1874 {
1875     /* Do NOT use XFlush here ! */
1876     XSync( p_vout->p_sys->p_display, False );
1877
1878     if( p_win->video_window != None )
1879         XDestroyWindow( p_vout->p_sys->p_display, p_win->video_window );
1880
1881     XFreeGC( p_vout->p_sys->p_display, p_win->gc );
1882
1883     XUnmapWindow( p_vout->p_sys->p_display, p_win->base_window );
1884     XDestroyWindow( p_vout->p_sys->p_display, p_win->base_window );
1885
1886     vout_ReleaseWindow( p_win->owner_window );
1887 }
1888
1889 /*****************************************************************************
1890  * NewPicture: allocate a picture
1891  *****************************************************************************
1892  * Returns 0 on success, -1 otherwise
1893  *****************************************************************************/
1894 static int NewPicture( vout_thread_t *p_vout, picture_t *p_pic )
1895 {
1896 #ifndef MODULE_NAME_IS_glx
1897
1898 #if defined(MODULE_NAME_IS_xvideo) || defined(MODULE_NAME_IS_xvmc)
1899     int i_plane;
1900 #endif
1901
1902     /* We know the chroma, allocate a buffer which will be used
1903      * directly by the decoder */
1904     p_pic->p_sys = malloc( sizeof( picture_sys_t ) );
1905
1906     if( p_pic->p_sys == NULL )
1907     {
1908         return -1;
1909     }
1910
1911 #ifdef MODULE_NAME_IS_xvmc
1912     p_pic->p_sys->p_vout = p_vout;
1913     p_pic->p_sys->xvmc_surf = NULL;
1914     p_pic->p_sys->xxmc_data.decoded = 0;
1915     p_pic->p_sys->xxmc_data.proc_xxmc_update_frame = xxmc_do_update_frame;
1916     //    p_pic->p_accel_data = &p_pic->p_sys->xxmc_data;
1917     p_pic->p_sys->nb_display = 0;
1918 #endif
1919
1920     /* Fill in picture_t fields */
1921     vout_InitPicture( VLC_OBJECT(p_vout), p_pic, p_vout->output.i_chroma,
1922                       p_vout->output.i_width, p_vout->output.i_height,
1923                       p_vout->output.i_aspect );
1924
1925 #ifdef HAVE_SYS_SHM_H
1926     if( p_vout->p_sys->i_shm_opcode )
1927     {
1928         /* Create image using XShm extension */
1929         p_pic->p_sys->p_image =
1930             CreateShmImage( p_vout, p_vout->p_sys->p_display,
1931 #   if defined(MODULE_NAME_IS_xvideo) || defined(MODULE_NAME_IS_xvmc)
1932                             p_vout->p_sys->i_xvport,
1933                             VLC2X11_FOURCC(p_vout->output.i_chroma),
1934 #   else
1935                             p_vout->p_sys->p_visual,
1936                             p_vout->p_sys->i_screen_depth,
1937 #   endif
1938                             &p_pic->p_sys->shminfo,
1939                             p_vout->output.i_width, p_vout->output.i_height );
1940     }
1941
1942     if( !p_vout->p_sys->i_shm_opcode || !p_pic->p_sys->p_image )
1943 #endif /* HAVE_SYS_SHM_H */
1944     {
1945         /* Create image without XShm extension */
1946         p_pic->p_sys->p_image =
1947             CreateImage( p_vout, p_vout->p_sys->p_display,
1948 #if defined(MODULE_NAME_IS_xvideo) || defined(MODULE_NAME_IS_xvmc)
1949                          p_vout->p_sys->i_xvport,
1950                          VLC2X11_FOURCC(p_vout->output.i_chroma),
1951                          p_pic->format.i_bits_per_pixel,
1952 #else
1953                          p_vout->p_sys->p_visual,
1954                          p_vout->p_sys->i_screen_depth,
1955                          p_vout->p_sys->i_bytes_per_pixel,
1956 #endif
1957                          p_vout->output.i_width, p_vout->output.i_height );
1958
1959 #ifdef HAVE_SYS_SHM_H
1960         if( p_pic->p_sys->p_image && p_vout->p_sys->i_shm_opcode )
1961         {
1962             msg_Warn( p_vout, "couldn't create SHM image, disabling SHM" );
1963             p_vout->p_sys->i_shm_opcode = 0;
1964         }
1965 #endif /* HAVE_SYS_SHM_H */
1966     }
1967
1968     if( p_pic->p_sys->p_image == NULL )
1969     {
1970         free( p_pic->p_sys );
1971         return -1;
1972     }
1973
1974     switch( p_vout->output.i_chroma )
1975     {
1976 #if defined(MODULE_NAME_IS_xvideo) || defined(MODULE_NAME_IS_xvmc)
1977         case VLC_FOURCC('I','4','2','0'):
1978         case VLC_FOURCC('Y','V','1','2'):
1979         case VLC_FOURCC('Y','2','1','1'):
1980         case VLC_FOURCC('Y','U','Y','2'):
1981         case VLC_FOURCC('U','Y','V','Y'):
1982         case VLC_FOURCC('R','V','1','5'):
1983         case VLC_FOURCC('R','V','1','6'):
1984         case VLC_FOURCC('R','V','2','4'): /* Fixme: pixel pitch == 4 ? */
1985         case VLC_FOURCC('R','V','3','2'):
1986
1987             for( i_plane = 0; i_plane < p_pic->p_sys->p_image->num_planes;
1988                  i_plane++ )
1989             {
1990                 p_pic->p[i_plane].p_pixels = (uint8_t*)p_pic->p_sys->p_image->data
1991                     + p_pic->p_sys->p_image->offsets[i_plane];
1992                 p_pic->p[i_plane].i_pitch =
1993                     p_pic->p_sys->p_image->pitches[i_plane];
1994             }
1995             if( p_vout->output.i_chroma == VLC_FOURCC('Y','V','1','2') )
1996             {
1997                 /* U and V inverted compared to I420
1998                  * Fixme: this should be handled by the vout core */
1999                 p_pic->U_PIXELS = (uint8_t*)p_pic->p_sys->p_image->data
2000                     + p_pic->p_sys->p_image->offsets[2];
2001                 p_pic->V_PIXELS = (uint8_t*)p_pic->p_sys->p_image->data
2002                     + p_pic->p_sys->p_image->offsets[1];
2003             }
2004
2005             break;
2006
2007 #else
2008         case VLC_FOURCC('R','G','B','2'):
2009         case VLC_FOURCC('R','V','1','6'):
2010         case VLC_FOURCC('R','V','1','5'):
2011         case VLC_FOURCC('R','V','2','4'):
2012         case VLC_FOURCC('R','V','3','2'):
2013
2014             p_pic->p->i_lines = p_pic->p_sys->p_image->height;
2015             p_pic->p->i_visible_lines = p_pic->p_sys->p_image->height;
2016             p_pic->p->p_pixels = (uint8_t*)p_pic->p_sys->p_image->data
2017                                   + p_pic->p_sys->p_image->xoffset;
2018             p_pic->p->i_pitch = p_pic->p_sys->p_image->bytes_per_line;
2019
2020             /* p_pic->p->i_pixel_pitch = 4 for RV24 but this should be set
2021              * properly by vout_InitPicture() */
2022             p_pic->p->i_visible_pitch = p_pic->p->i_pixel_pitch
2023                                          * p_pic->p_sys->p_image->width;
2024             break;
2025 #endif
2026
2027         default:
2028             /* Unknown chroma, tell the guy to get lost */
2029             IMAGE_FREE( p_pic->p_sys->p_image );
2030             free( p_pic->p_sys );
2031             msg_Err( p_vout, "never heard of chroma 0x%.8x (%4.4s)",
2032                      p_vout->output.i_chroma, (char*)&p_vout->output.i_chroma );
2033             p_pic->i_planes = 0;
2034             return -1;
2035     }
2036 #else
2037
2038     VLC_UNUSED(p_vout); VLC_UNUSED(p_pic);
2039
2040 #endif /* !MODULE_NAME_IS_glx */
2041
2042     return 0;
2043 }
2044
2045 /*****************************************************************************
2046  * FreePicture: destroy a picture allocated with NewPicture
2047  *****************************************************************************
2048  * Destroy XImage AND associated data. If using Shm, detach shared memory
2049  * segment from server and process, then free it. The XDestroyImage manpage
2050  * says that both the image structure _and_ the data pointed to by the
2051  * image structure are freed, so no need to free p_image->data.
2052  *****************************************************************************/
2053 static void FreePicture( vout_thread_t *p_vout, picture_t *p_pic )
2054 {
2055     /* The order of operations is correct */
2056 #ifdef HAVE_SYS_SHM_H
2057     if( p_vout->p_sys->i_shm_opcode )
2058     {
2059         XShmDetach( p_vout->p_sys->p_display, &p_pic->p_sys->shminfo );
2060         IMAGE_FREE( p_pic->p_sys->p_image );
2061
2062         shmctl( p_pic->p_sys->shminfo.shmid, IPC_RMID, 0 );
2063         if( shmdt( p_pic->p_sys->shminfo.shmaddr ) )
2064         {
2065             msg_Err( p_vout, "cannot detach shared memory (%m)" );
2066         }
2067     }
2068     else
2069 #endif
2070     {
2071         IMAGE_FREE( p_pic->p_sys->p_image );
2072     }
2073
2074 #ifdef MODULE_NAME_IS_xvmc
2075     if( p_pic->p_sys->xvmc_surf != NULL )
2076     {
2077         xxmc_xvmc_free_surface(p_vout , p_pic->p_sys->xvmc_surf);
2078         p_pic->p_sys->xvmc_surf = NULL;
2079     }
2080 #endif
2081
2082     /* Do NOT use XFlush here ! */
2083     XSync( p_vout->p_sys->p_display, False );
2084
2085     free( p_pic->p_sys );
2086 }
2087
2088 /*****************************************************************************
2089  * ToggleFullScreen: Enable or disable full screen mode
2090  *****************************************************************************
2091  * This function will switch between fullscreen and window mode.
2092  *****************************************************************************/
2093 static void ToggleFullScreen ( vout_thread_t *p_vout )
2094 {
2095     Atom prop;
2096     mwmhints_t mwmhints;
2097     XSetWindowAttributes attributes;
2098
2099 #ifdef HAVE_XINERAMA
2100     int i_d1, i_d2;
2101 #endif
2102
2103     p_vout->b_fullscreen = !p_vout->b_fullscreen;
2104
2105     if( p_vout->b_fullscreen )
2106     {
2107         msg_Dbg( p_vout, "entering fullscreen mode" );
2108
2109         /* Getting current window position */
2110         Window root_win;
2111         Window* child_windows;
2112         unsigned int num_child_windows;
2113         Window parent_win;
2114         Window child_win;
2115         XWindowAttributes win_attr;
2116         int screen_x,screen_y;
2117
2118         XGetWindowAttributes(
2119                 p_vout->p_sys->p_display,
2120                 p_vout->p_sys->p_win->video_window,
2121                 &win_attr);
2122
2123         XQueryTree(
2124                 p_vout->p_sys->p_display,
2125                 p_vout->p_sys->p_win->video_window,
2126                 &root_win,
2127                 &parent_win,
2128                 &child_windows,
2129                 &num_child_windows);
2130         XFree(child_windows);
2131
2132         XTranslateCoordinates(
2133                 p_vout->p_sys->p_display,
2134                 parent_win, win_attr.root,
2135                 win_attr.x,win_attr.y,
2136                 &screen_x,&screen_y,
2137                 &child_win);
2138
2139         msg_Dbg( p_vout, "X %d/%d Y %d/%d", win_attr.x,screen_x,win_attr.y,screen_y);
2140         /* screen_x and screen_y are current position */
2141
2142         p_vout->p_sys->b_altfullscreen =
2143             config_GetInt( p_vout, MODULE_STRING "-altfullscreen" );
2144
2145         XUnmapWindow( p_vout->p_sys->p_display,
2146                       p_vout->p_sys->p_win->base_window );
2147
2148         p_vout->p_sys->p_win = &p_vout->p_sys->fullscreen_window;
2149
2150         CreateWindow( p_vout, p_vout->p_sys->p_win );
2151         XDestroyWindow( p_vout->p_sys->p_display,
2152                         p_vout->p_sys->fullscreen_window.video_window );
2153         XReparentWindow( p_vout->p_sys->p_display,
2154                          p_vout->p_sys->original_window.video_window,
2155                          p_vout->p_sys->fullscreen_window.base_window, 0, 0 );
2156         p_vout->p_sys->fullscreen_window.video_window =
2157             p_vout->p_sys->original_window.video_window;
2158
2159         /* To my knowledge there are two ways to create a borderless window.
2160          * There's the generic way which is to tell x to bypass the window
2161          * manager, but this creates problems with the focus of other
2162          * applications.
2163          * The other way is to use the motif property "_MOTIF_WM_HINTS" which
2164          * luckily seems to be supported by most window managers. */
2165         if( !p_vout->p_sys->b_altfullscreen )
2166         {
2167             mwmhints.flags = MWM_HINTS_DECORATIONS;
2168             mwmhints.decorations = False;
2169
2170             prop = XInternAtom( p_vout->p_sys->p_display, "_MOTIF_WM_HINTS",
2171                                 False );
2172             XChangeProperty( p_vout->p_sys->p_display,
2173                              p_vout->p_sys->p_win->base_window,
2174                              prop, prop, 32, PropModeReplace,
2175                              (unsigned char *)&mwmhints,
2176                              PROP_MWM_HINTS_ELEMENTS );
2177         }
2178         else
2179         {
2180             /* brute force way to remove decorations */
2181             attributes.override_redirect = True;
2182             XChangeWindowAttributes( p_vout->p_sys->p_display,
2183                                      p_vout->p_sys->p_win->base_window,
2184                                      CWOverrideRedirect,
2185                                      &attributes);
2186
2187             /* Make sure the change is effective */
2188             XReparentWindow( p_vout->p_sys->p_display,
2189                              p_vout->p_sys->p_win->base_window,
2190                              DefaultRootWindow( p_vout->p_sys->p_display ),
2191                              0, 0 );
2192         }
2193
2194         if( p_vout->p_sys->b_net_wm_state_fullscreen )
2195         {
2196             XClientMessageEvent event;
2197
2198             memset( &event, 0, sizeof( XClientMessageEvent ) );
2199
2200             event.type = ClientMessage;
2201             event.message_type = p_vout->p_sys->net_wm_state;
2202             event.display = p_vout->p_sys->p_display;
2203             event.window = p_vout->p_sys->p_win->base_window;
2204             event.format = 32;
2205             event.data.l[ 0 ] = 1; /* set property */
2206             event.data.l[ 1 ] = p_vout->p_sys->net_wm_state_fullscreen;
2207
2208             XSendEvent( p_vout->p_sys->p_display,
2209                         DefaultRootWindow( p_vout->p_sys->p_display ),
2210                         False, SubstructureRedirectMask,
2211                         (XEvent*)&event );
2212         }
2213
2214 /* "bad fullscreen" - set this to 0. doing fullscreen this way is problematic
2215  * for many reasons and basically fights with the window manager as the wm
2216  * reparents AND vlc goes and reparents - multiple times. don't do it. it just
2217  * makes it more inefficient and less "nice" to the x11 citizenry. this turns
2218  * it off */
2219 #define BADFS 0
2220 /* explicitly asking for focus when you fullscreened is a little silly. the
2221  * window manager SHOULD be handling this itself based on its own focus
2222  * policies. if the user is "using" a given xinerama/xrandr screen or x11
2223  * multihead screen AND vlc wants to fullscreen the wm should also focus it
2224  * as its the only thing on the screen. if vlc fullscreens and its on
2225  * "another monitor" to the one the user is using - this may "steal" the focus
2226  * as really the wm should be deciding if, on fullscreening of a window
2227  * the focus should go there or not, so let the wm decided */
2228 #define APPFOCUS 0
2229         /* Make sure the change is effective */
2230         XReparentWindow( p_vout->p_sys->p_display,
2231                          p_vout->p_sys->p_win->base_window,
2232                          DefaultRootWindow( p_vout->p_sys->p_display ),
2233                          0, 0 );
2234
2235 #ifdef HAVE_XINERAMA
2236         if( XineramaQueryExtension( p_vout->p_sys->p_display, &i_d1, &i_d2 ) &&
2237             XineramaIsActive( p_vout->p_sys->p_display ) )
2238         {
2239             XineramaScreenInfo *screens;   /* infos for xinerama */
2240             int i_num_screens;
2241
2242             msg_Dbg( p_vout, "using XFree Xinerama extension");
2243
2244 #define SCREEN p_vout->p_sys->p_win->i_screen
2245
2246             /* Get Information about Xinerama (num of screens) */
2247             screens = XineramaQueryScreens( p_vout->p_sys->p_display,
2248                                             &i_num_screens );
2249
2250             SCREEN = config_GetInt( p_vout,
2251                                         MODULE_STRING "-xineramascreen" );
2252
2253             /* just check that user has entered a good value,
2254              * otherwise use that screen where window is */
2255             if( SCREEN >= i_num_screens || SCREEN < 0 )
2256             {
2257                 msg_Dbg( p_vout, "requested screen number invalid (%d/%d)", SCREEN, i_num_screens );
2258 #define left screens[SCREEN].x_org
2259 #define right left + screens[SCREEN].width
2260 #define top screens[SCREEN].y_org
2261 #define bottom top + screens[SCREEN].height
2262
2263                  for( SCREEN = i_num_screens-1; SCREEN > 0; SCREEN--)
2264                  {
2265                      if( left <= screen_x && screen_x <= right &&
2266                              top <= screen_y && screen_y <= bottom )
2267                          break;
2268                  }
2269 #undef bottom
2270 #undef top
2271 #undef right
2272 #undef left
2273             }
2274
2275             /* Get the X/Y upper left corner coordinate of the above screen */
2276             p_vout->p_sys->p_win->i_x = screens[SCREEN].x_org;
2277             p_vout->p_sys->p_win->i_y = screens[SCREEN].y_org;
2278
2279             /* Set the Height/width to the screen resolution */
2280             p_vout->p_sys->p_win->i_width = screens[SCREEN].width;
2281             p_vout->p_sys->p_win->i_height = screens[SCREEN].height;
2282
2283             XFree(screens);
2284
2285 #undef SCREEN
2286
2287         }
2288         else
2289 #endif
2290         {
2291             /* The window wasn't necessarily created at the requested size */
2292             p_vout->p_sys->p_win->i_x = p_vout->p_sys->p_win->i_y = 0;
2293
2294 #ifdef HAVE_XF86VIDMODE
2295             XF86VidModeModeLine mode;
2296             int i_dummy;
2297
2298             if( XF86VidModeGetModeLine( p_vout->p_sys->p_display,
2299                                         p_vout->p_sys->i_screen, &i_dummy,
2300                                         &mode ) )
2301             {
2302                 p_vout->p_sys->p_win->i_width = mode.hdisplay;
2303                 p_vout->p_sys->p_win->i_height = mode.vdisplay;
2304
2305                 /* move cursor to the middle of the window to prevent
2306                  * unwanted display move if the display is smaller than the
2307                  * full desktop */
2308                 XWarpPointer( p_vout->p_sys->p_display, None,
2309                               p_vout->p_sys->p_win->base_window, 0, 0, 0, 0,
2310                               mode.hdisplay / 2 , mode.vdisplay / 2 );
2311                 /* force desktop view to upper left corner */
2312                 XF86VidModeSetViewPort( p_vout->p_sys->p_display,
2313                                         p_vout->p_sys->i_screen, 0, 0 );
2314             }
2315             else
2316 #endif
2317             {
2318                 p_vout->p_sys->p_win->i_width =
2319                     DisplayWidth( p_vout->p_sys->p_display,
2320                                 p_vout->p_sys->i_screen );
2321                 p_vout->p_sys->p_win->i_height =
2322                     DisplayHeight( p_vout->p_sys->p_display,
2323                                 p_vout->p_sys->i_screen );
2324             }
2325
2326         }
2327
2328         XMoveResizeWindow( p_vout->p_sys->p_display,
2329                            p_vout->p_sys->p_win->base_window,
2330                            p_vout->p_sys->p_win->i_x,
2331                            p_vout->p_sys->p_win->i_y,
2332                            p_vout->p_sys->p_win->i_width,
2333                            p_vout->p_sys->p_win->i_height );
2334
2335 #ifdef HAVE_XSP
2336         EnablePixelDoubling( p_vout );
2337 #endif
2338
2339 #if APPFOCUS // RASTER: let the wm do focus policy
2340         /* Activate the window (give it the focus) */
2341         XClientMessageEvent event;
2342
2343         memset( &event, 0, sizeof( XClientMessageEvent ) );
2344
2345         event.type = ClientMessage;
2346         event.message_type =
2347            XInternAtom( p_vout->p_sys->p_display, "_NET_ACTIVE_WINDOW", False );
2348         event.display = p_vout->p_sys->p_display;
2349         event.window = p_vout->p_sys->p_win->base_window;
2350         event.format = 32;
2351         event.data.l[ 0 ] = 1; /* source indication (1 = from an application */
2352         event.data.l[ 1 ] = 0; /* timestamp */
2353         event.data.l[ 2 ] = 0; /* requestor's currently active window */
2354         /* XXX: window manager would be more likely to obey if we already have
2355          * an active window (and give it to the event), such as an interface */
2356
2357         XSendEvent( p_vout->p_sys->p_display,
2358                     DefaultRootWindow( p_vout->p_sys->p_display ),
2359                     False, SubstructureRedirectMask,
2360                     (XEvent*)&event );
2361 #endif
2362     }
2363     else
2364     {
2365         msg_Dbg( p_vout, "leaving fullscreen mode" );
2366
2367 #ifdef HAVE_XSP
2368         DisablePixelDoubling( p_vout );
2369 #endif
2370
2371         XReparentWindow( p_vout->p_sys->p_display,
2372                          p_vout->p_sys->original_window.video_window,
2373                          p_vout->p_sys->original_window.base_window, 0, 0 );
2374
2375         p_vout->p_sys->fullscreen_window.video_window = None;
2376         DestroyWindow( p_vout, &p_vout->p_sys->fullscreen_window );
2377         p_vout->p_sys->p_win = &p_vout->p_sys->original_window;
2378
2379         XMapWindow( p_vout->p_sys->p_display,
2380                     p_vout->p_sys->p_win->base_window );
2381     }
2382
2383     /* Unfortunately, using XSync() here is not enough to ensure the
2384      * window has already been mapped because the XMapWindow() request
2385      * has not necessarily been sent directly to our window (remember,
2386      * the call is first redirected to the window manager) */
2387
2388 #if BADFS // RASTER: this is silly... if we have already mapped before
2389     XEvent xevent;
2390     do
2391     {
2392         XWindowEvent( p_vout->p_sys->p_display,
2393                       p_vout->p_sys->p_win->base_window,
2394                       StructureNotifyMask, &xevent );
2395     } while( xevent.type != MapNotify );
2396 #else
2397    XSync(p_vout->p_sys->p_display, False);
2398 #endif
2399
2400     /* Be careful, this can generate a BadMatch error if the window is not
2401      * already mapped by the server (see above) */
2402     XSetInputFocus(p_vout->p_sys->p_display,
2403                    p_vout->p_sys->p_win->base_window,
2404                    RevertToParent,
2405                    CurrentTime);
2406
2407     /* signal that the size needs to be updated */
2408     p_vout->i_changes |= VOUT_SIZE_CHANGE;
2409 }
2410
2411 /*****************************************************************************
2412  * EnableXScreenSaver: enable screen saver
2413  *****************************************************************************
2414  * This function enables the screen saver on a display after it has been
2415  * disabled by XDisableScreenSaver.
2416  * FIXME: what happens if multiple vlc sessions are running at the same
2417  *        time ???
2418  *****************************************************************************/
2419 static void EnableXScreenSaver( vout_thread_t *p_vout )
2420 {
2421 #ifdef DPMSINFO_IN_DPMS_H
2422     int dummy;
2423 #endif
2424
2425     if( p_vout->p_sys->i_ss_timeout )
2426     {
2427         XSetScreenSaver( p_vout->p_sys->p_display, p_vout->p_sys->i_ss_timeout,
2428                          p_vout->p_sys->i_ss_interval,
2429                          p_vout->p_sys->i_ss_blanking,
2430                          p_vout->p_sys->i_ss_exposure );
2431     }
2432
2433     /* Restore DPMS settings */
2434 #ifdef DPMSINFO_IN_DPMS_H
2435     if( DPMSQueryExtension( p_vout->p_sys->p_display, &dummy, &dummy ) )
2436     {
2437         if( p_vout->p_sys->b_ss_dpms )
2438         {
2439             DPMSEnable( p_vout->p_sys->p_display );
2440         }
2441     }
2442 #endif
2443 }
2444
2445 /*****************************************************************************
2446  * DisableXScreenSaver: disable screen saver
2447  *****************************************************************************
2448  * See XEnableXScreenSaver
2449  *****************************************************************************/
2450 static void DisableXScreenSaver( vout_thread_t *p_vout )
2451 {
2452 #ifdef DPMSINFO_IN_DPMS_H
2453     int dummy;
2454 #endif
2455
2456     /* Save screen saver information */
2457     XGetScreenSaver( p_vout->p_sys->p_display, &p_vout->p_sys->i_ss_timeout,
2458                      &p_vout->p_sys->i_ss_interval,
2459                      &p_vout->p_sys->i_ss_blanking,
2460                      &p_vout->p_sys->i_ss_exposure );
2461
2462     /* Disable screen saver */
2463     if( p_vout->p_sys->i_ss_timeout )
2464     {
2465         XSetScreenSaver( p_vout->p_sys->p_display, 0,
2466                          p_vout->p_sys->i_ss_interval,
2467                          p_vout->p_sys->i_ss_blanking,
2468                          p_vout->p_sys->i_ss_exposure );
2469     }
2470
2471     /* Disable DPMS */
2472 #ifdef DPMSINFO_IN_DPMS_H
2473     if( DPMSQueryExtension( p_vout->p_sys->p_display, &dummy, &dummy ) )
2474     {
2475         CARD16 unused;
2476         /* Save DPMS current state */
2477         DPMSInfo( p_vout->p_sys->p_display, &unused,
2478                   &p_vout->p_sys->b_ss_dpms );
2479         DPMSDisable( p_vout->p_sys->p_display );
2480    }
2481 #endif
2482 }
2483
2484 /*****************************************************************************
2485  * CreateCursor: create a blank mouse pointer
2486  *****************************************************************************/
2487 static void CreateCursor( vout_thread_t *p_vout )
2488 {
2489     XColor cursor_color;
2490
2491     p_vout->p_sys->cursor_pixmap =
2492         XCreatePixmap( p_vout->p_sys->p_display,
2493                        DefaultRootWindow( p_vout->p_sys->p_display ),
2494                        1, 1, 1 );
2495
2496     XParseColor( p_vout->p_sys->p_display,
2497                  XCreateColormap( p_vout->p_sys->p_display,
2498                                   DefaultRootWindow(
2499                                                     p_vout->p_sys->p_display ),
2500                                   DefaultVisual(
2501                                                 p_vout->p_sys->p_display,
2502                                                 p_vout->p_sys->i_screen ),
2503                                   AllocNone ),
2504                  "black", &cursor_color );
2505
2506     p_vout->p_sys->blank_cursor =
2507         XCreatePixmapCursor( p_vout->p_sys->p_display,
2508                              p_vout->p_sys->cursor_pixmap,
2509                              p_vout->p_sys->cursor_pixmap,
2510                              &cursor_color, &cursor_color, 1, 1 );
2511 }
2512
2513 /*****************************************************************************
2514  * DestroyCursor: destroy the blank mouse pointer
2515  *****************************************************************************/
2516 static void DestroyCursor( vout_thread_t *p_vout )
2517 {
2518     XFreePixmap( p_vout->p_sys->p_display, p_vout->p_sys->cursor_pixmap );
2519 }
2520
2521 /*****************************************************************************
2522  * ToggleCursor: hide or show the mouse pointer
2523  *****************************************************************************
2524  * This function hides the X pointer if it is visible by setting the pointer
2525  * sprite to a blank one. To show it again, we disable the sprite.
2526  *****************************************************************************/
2527 static void ToggleCursor( vout_thread_t *p_vout )
2528 {
2529     if( p_vout->p_sys->b_mouse_pointer_visible )
2530     {
2531         XDefineCursor( p_vout->p_sys->p_display,
2532                        p_vout->p_sys->p_win->base_window,
2533                        p_vout->p_sys->blank_cursor );
2534         p_vout->p_sys->b_mouse_pointer_visible = 0;
2535     }
2536     else
2537     {
2538         XUndefineCursor( p_vout->p_sys->p_display,
2539                          p_vout->p_sys->p_win->base_window );
2540         p_vout->p_sys->b_mouse_pointer_visible = 1;
2541     }
2542 }
2543
2544 #if defined(MODULE_NAME_IS_xvideo) || defined(MODULE_NAME_IS_xvmc)
2545 /*****************************************************************************
2546  * XVideoGetPort: get YUV12 port
2547  *****************************************************************************/
2548 static int XVideoGetPort( vout_thread_t *p_vout,
2549                           vlc_fourcc_t i_chroma, picture_heap_t *p_heap )
2550 {
2551     XvAdaptorInfo *p_adaptor;
2552     unsigned int i;
2553     unsigned int i_adaptor, i_num_adaptors;
2554     int i_requested_adaptor;
2555     int i_selected_port;
2556
2557     switch( XvQueryExtension( p_vout->p_sys->p_display, &i, &i, &i, &i, &i ) )
2558     {
2559         case Success:
2560             break;
2561
2562         case XvBadExtension:
2563             msg_Warn( p_vout, "XvBadExtension" );
2564             return -1;
2565
2566         case XvBadAlloc:
2567             msg_Warn( p_vout, "XvBadAlloc" );
2568             return -1;
2569
2570         default:
2571             msg_Warn( p_vout, "XvQueryExtension failed" );
2572             return -1;
2573     }
2574
2575     switch( XvQueryAdaptors( p_vout->p_sys->p_display,
2576                              DefaultRootWindow( p_vout->p_sys->p_display ),
2577                              &i_num_adaptors, &p_adaptor ) )
2578     {
2579         case Success:
2580             break;
2581
2582         case XvBadExtension:
2583             msg_Warn( p_vout, "XvBadExtension for XvQueryAdaptors" );
2584             return -1;
2585
2586         case XvBadAlloc:
2587             msg_Warn( p_vout, "XvBadAlloc for XvQueryAdaptors" );
2588             return -1;
2589
2590         default:
2591             msg_Warn( p_vout, "XvQueryAdaptors failed" );
2592             return -1;
2593     }
2594
2595     i_selected_port = -1;
2596 #ifdef MODULE_NAME_IS_xvmc
2597     i_requested_adaptor = config_GetInt( p_vout, "xvmc-adaptor" );
2598 #else
2599     i_requested_adaptor = config_GetInt( p_vout, "xvideo-adaptor" );
2600 #endif
2601     for( i_adaptor = 0; i_adaptor < i_num_adaptors; ++i_adaptor )
2602     {
2603         XvImageFormatValues *p_formats;
2604         int i_format, i_num_formats;
2605         int i_port;
2606
2607         /* If we requested an adaptor and it's not this one, we aren't
2608          * interested */
2609         if( i_requested_adaptor != -1 && ((int)i_adaptor != i_requested_adaptor) )
2610         {
2611             continue;
2612         }
2613
2614         /* If the adaptor doesn't have the required properties, skip it */
2615         if( !( p_adaptor[ i_adaptor ].type & XvInputMask ) ||
2616             !( p_adaptor[ i_adaptor ].type & XvImageMask ) )
2617         {
2618             continue;
2619         }
2620
2621         /* Check that adaptor supports our requested format... */
2622         p_formats = XvListImageFormats( p_vout->p_sys->p_display,
2623                                         p_adaptor[i_adaptor].base_id,
2624                                         &i_num_formats );
2625
2626         for( i_format = 0;
2627              i_format < i_num_formats && ( i_selected_port == -1 );
2628              i_format++ )
2629         {
2630             XvAttribute     *p_attr;
2631             int             i_attr, i_num_attributes;
2632             Atom            autopaint = None, colorkey = None;
2633
2634             /* If this is not the format we want, or at least a
2635              * similar one, forget it */
2636             if( !vout_ChromaCmp( p_formats[ i_format ].id, i_chroma ) )
2637             {
2638                 continue;
2639             }
2640
2641             /* Look for the first available port supporting this format */
2642             for( i_port = p_adaptor[i_adaptor].base_id;
2643                  ( i_port < (int)(p_adaptor[i_adaptor].base_id
2644                                    + p_adaptor[i_adaptor].num_ports) )
2645                    && ( i_selected_port == -1 );
2646                  i_port++ )
2647             {
2648                 if( XvGrabPort( p_vout->p_sys->p_display, i_port, CurrentTime )
2649                      == Success )
2650                 {
2651                     i_selected_port = i_port;
2652                     p_heap->i_chroma = p_formats[ i_format ].id;
2653 #if XvVersion > 2 || ( XvVersion == 2 && XvRevision >= 2 )
2654                     p_heap->i_rmask = p_formats[ i_format ].red_mask;
2655                     p_heap->i_gmask = p_formats[ i_format ].green_mask;
2656                     p_heap->i_bmask = p_formats[ i_format ].blue_mask;
2657 #endif
2658                 }
2659             }
2660
2661             /* If no free port was found, forget it */
2662             if( i_selected_port == -1 )
2663             {
2664                 continue;
2665             }
2666
2667             /* If we found a port, print information about it */
2668             msg_Dbg( p_vout, "adaptor %i, port %i, format 0x%x (%4.4s) %s",
2669                      i_adaptor, i_selected_port, p_formats[ i_format ].id,
2670                      (char *)&p_formats[ i_format ].id,
2671                      ( p_formats[ i_format ].format == XvPacked ) ?
2672                          "packed" : "planar" );
2673
2674             /* Use XV_AUTOPAINT_COLORKEY if supported, otherwise we will
2675              * manually paint the colour key */
2676             p_attr = XvQueryPortAttributes( p_vout->p_sys->p_display,
2677                                             i_selected_port,
2678                                             &i_num_attributes );
2679
2680             for( i_attr = 0; i_attr < i_num_attributes; i_attr++ )
2681             {
2682                 if( !strcmp( p_attr[i_attr].name, "XV_AUTOPAINT_COLORKEY" ) )
2683                 {
2684                     autopaint = XInternAtom( p_vout->p_sys->p_display,
2685                                              "XV_AUTOPAINT_COLORKEY", False );
2686                     XvSetPortAttribute( p_vout->p_sys->p_display,
2687                                         i_selected_port, autopaint, 1 );
2688                 }
2689                 if( !strcmp( p_attr[i_attr].name, "XV_COLORKEY" ) )
2690                 {
2691                     /* Find out the default colour key */
2692                     colorkey = XInternAtom( p_vout->p_sys->p_display,
2693                                             "XV_COLORKEY", False );
2694                     XvGetPortAttribute( p_vout->p_sys->p_display,
2695                                         i_selected_port, colorkey,
2696                                         &p_vout->p_sys->i_colourkey );
2697                 }
2698             }
2699             p_vout->p_sys->b_paint_colourkey =
2700                 autopaint == None && colorkey != None;
2701
2702             if( p_attr != NULL )
2703             {
2704                 XFree( p_attr );
2705             }
2706         }
2707
2708         if( p_formats != NULL )
2709         {
2710             XFree( p_formats );
2711         }
2712
2713     }
2714
2715     if( i_num_adaptors > 0 )
2716     {
2717         XvFreeAdaptorInfo( p_adaptor );
2718     }
2719
2720     if( i_selected_port == -1 )
2721     {
2722         int i_chroma_tmp = X112VLC_FOURCC( i_chroma );
2723         if( i_requested_adaptor == -1 )
2724         {
2725             msg_Warn( p_vout, "no free XVideo port found for format "
2726                       "0x%.8x (%4.4s)", i_chroma_tmp, (char*)&i_chroma_tmp );
2727         }
2728         else
2729         {
2730             msg_Warn( p_vout, "XVideo adaptor %i does not have a free "
2731                       "XVideo port for format 0x%.8x (%4.4s)",
2732                       i_requested_adaptor, i_chroma_tmp, (char*)&i_chroma_tmp );
2733         }
2734     }
2735
2736     return i_selected_port;
2737 }
2738
2739 /*****************************************************************************
2740  * XVideoReleasePort: release YUV12 port
2741  *****************************************************************************/
2742 static void XVideoReleasePort( vout_thread_t *p_vout, int i_port )
2743 {
2744     XvUngrabPort( p_vout->p_sys->p_display, i_port, CurrentTime );
2745 }
2746 #endif
2747
2748 /*****************************************************************************
2749  * InitDisplay: open and initialize X11 device
2750  *****************************************************************************
2751  * Create a window according to video output given size, and set other
2752  * properties according to the display properties.
2753  *****************************************************************************/
2754 static int InitDisplay( vout_thread_t *p_vout )
2755 {
2756 #ifdef MODULE_NAME_IS_x11
2757     XPixmapFormatValues *       p_formats;                 /* pixmap formats */
2758     XVisualInfo *               p_xvisual;            /* visuals information */
2759     XVisualInfo                 xvisual_template;         /* visual template */
2760     int                         i_count, i;                    /* array size */
2761 #endif
2762
2763 #ifdef HAVE_SYS_SHM_H
2764     p_vout->p_sys->i_shm_opcode = 0;
2765
2766     if( config_GetInt( p_vout, MODULE_STRING "-shm" ) > 0 )
2767     {
2768         int major, evt, err;
2769
2770         if( XQueryExtension( p_vout->p_sys->p_display, "MIT-SHM", &major,
2771                              &evt, &err )
2772          && XShmQueryExtension( p_vout->p_sys->p_display ) )
2773             p_vout->p_sys->i_shm_opcode = major;
2774
2775         if( p_vout->p_sys->i_shm_opcode )
2776         {
2777             int minor;
2778             Bool pixmaps;
2779
2780             XShmQueryVersion( p_vout->p_sys->p_display, &major, &minor,
2781                               &pixmaps );
2782             msg_Dbg( p_vout, "XShm video extension v%d.%d "
2783                      "(with%s pixmaps, opcode: %d)",
2784                      major, minor, pixmaps ? "" : "out",
2785                      p_vout->p_sys->i_shm_opcode );
2786         }
2787         else
2788             msg_Warn( p_vout, "XShm video extension not available" );
2789     }
2790     else
2791         msg_Dbg( p_vout, "XShm video extension disabled" );
2792 #endif
2793
2794 #ifdef MODULE_NAME_IS_xvideo
2795     /* XXX The brightness and contrast values should be read from environment
2796      * XXX variables... */
2797 #if 0
2798     XVideoSetAttribute( p_vout, "XV_BRIGHTNESS", 0.5 );
2799     XVideoSetAttribute( p_vout, "XV_CONTRAST",   0.5 );
2800 #endif
2801 #endif
2802
2803 #ifdef MODULE_NAME_IS_x11
2804     /* Initialize structure */
2805     p_vout->p_sys->i_screen = DefaultScreen( p_vout->p_sys->p_display );
2806
2807     /* Get screen depth */
2808     p_vout->p_sys->i_screen_depth = XDefaultDepth( p_vout->p_sys->p_display,
2809                                                    p_vout->p_sys->i_screen );
2810     switch( p_vout->p_sys->i_screen_depth )
2811     {
2812     case 8:
2813         /*
2814          * Screen depth is 8bpp. Use PseudoColor visual with private colormap.
2815          */
2816         xvisual_template.screen =   p_vout->p_sys->i_screen;
2817         xvisual_template.class =    DirectColor;
2818         p_xvisual = XGetVisualInfo( p_vout->p_sys->p_display,
2819                                     VisualScreenMask | VisualClassMask,
2820                                     &xvisual_template, &i_count );
2821         if( p_xvisual == NULL )
2822         {
2823             msg_Err( p_vout, "no PseudoColor visual available" );
2824             return VLC_EGENERIC;
2825         }
2826         p_vout->p_sys->i_bytes_per_pixel = 1;
2827         p_vout->output.pf_setpalette = SetPalette;
2828         break;
2829     case 15:
2830     case 16:
2831     case 24:
2832     default:
2833         /*
2834          * Screen depth is higher than 8bpp. TrueColor visual is used.
2835          */
2836         xvisual_template.screen =   p_vout->p_sys->i_screen;
2837         xvisual_template.class =    TrueColor;
2838 /* In some cases, we get a truecolor class adaptor that has a different
2839    color depth. So try to get a real true color one first */
2840         xvisual_template.depth =    p_vout->p_sys->i_screen_depth;
2841
2842         p_xvisual = XGetVisualInfo( p_vout->p_sys->p_display,
2843                                     VisualScreenMask | VisualClassMask |
2844                                     VisualDepthMask,
2845                                     &xvisual_template, &i_count );
2846         if( p_xvisual == NULL )
2847         {
2848             msg_Warn( p_vout, "No screen matching the required color depth" );
2849             p_xvisual = XGetVisualInfo( p_vout->p_sys->p_display,
2850                                     VisualScreenMask | VisualClassMask,
2851                                     &xvisual_template, &i_count );
2852             if( p_xvisual == NULL )
2853             {
2854
2855                 msg_Err( p_vout, "no TrueColor visual available" );
2856                 return VLC_EGENERIC;
2857             }
2858         }
2859
2860         p_vout->output.i_rmask = p_xvisual->red_mask;
2861         p_vout->output.i_gmask = p_xvisual->green_mask;
2862         p_vout->output.i_bmask = p_xvisual->blue_mask;
2863
2864         /* There is no difference yet between 3 and 4 Bpp. The only way
2865          * to find the actual number of bytes per pixel is to list supported
2866          * pixmap formats. */
2867         p_formats = XListPixmapFormats( p_vout->p_sys->p_display, &i_count );
2868         p_vout->p_sys->i_bytes_per_pixel = 0;
2869
2870         for( i = 0; i < i_count; i++ )
2871         {
2872             /* Under XFree4.0, the list contains pixmap formats available
2873              * through all video depths ; so we have to check against current
2874              * depth. */
2875             if( p_formats[i].depth == (int)p_vout->p_sys->i_screen_depth )
2876             {
2877                 if( p_formats[i].bits_per_pixel / 8
2878                         > (int)p_vout->p_sys->i_bytes_per_pixel )
2879                 {
2880                     p_vout->p_sys->i_bytes_per_pixel =
2881                         p_formats[i].bits_per_pixel / 8;
2882                 }
2883             }
2884         }
2885         if( p_formats ) XFree( p_formats );
2886
2887         break;
2888     }
2889     p_vout->p_sys->p_visual = p_xvisual->visual;
2890     XFree( p_xvisual );
2891 #endif
2892
2893     return VLC_SUCCESS;
2894 }
2895
2896 #ifndef MODULE_NAME_IS_glx
2897
2898 #ifdef HAVE_SYS_SHM_H
2899 /*****************************************************************************
2900  * CreateShmImage: create an XImage or XvImage using shared memory extension
2901  *****************************************************************************
2902  * Prepare an XImage or XvImage for display function.
2903  * The order of the operations respects the recommandations of the mit-shm
2904  * document by J.Corbet and K.Packard. Most of the parameters were copied from
2905  * there. See http://ftp.xfree86.org/pub/XFree86/4.0/doc/mit-shm.TXT
2906  *****************************************************************************/
2907 IMAGE_TYPE * CreateShmImage( vout_thread_t *p_vout,
2908                                     Display* p_display, EXTRA_ARGS_SHM,
2909                                     int i_width, int i_height )
2910 {
2911     IMAGE_TYPE *p_image;
2912     Status result;
2913
2914     /* Create XImage / XvImage */
2915 #ifdef MODULE_NAME_IS_xvideo
2916     p_image = XvShmCreateImage( p_display, i_xvport, i_chroma, 0,
2917                                 i_width, i_height, p_shm );
2918 #elif defined(MODULE_NAME_IS_xvmc)
2919     p_image = XvShmCreateImage( p_display, i_xvport, i_chroma, 0,
2920                                 i_width, i_height, p_shm );
2921 #else
2922     p_image = XShmCreateImage( p_display, p_visual, i_depth, ZPixmap, 0,
2923                                p_shm, i_width, i_height );
2924 #endif
2925     if( p_image == NULL )
2926     {
2927         msg_Err( p_vout, "image creation failed" );
2928         return NULL;
2929     }
2930
2931     /* Allocate shared memory segment - 0776 set the access permission
2932      * rights (like umask), they are not yet supported by all X servers */
2933     p_shm->shmid = shmget( IPC_PRIVATE, DATA_SIZE(p_image), IPC_CREAT | 0776 );
2934     if( p_shm->shmid < 0 )
2935     {
2936         msg_Err( p_vout, "cannot allocate shared image data (%m)" );
2937         IMAGE_FREE( p_image );
2938         return NULL;
2939     }
2940
2941     /* Attach shared memory segment to process (read/write) */
2942     p_shm->shmaddr = p_image->data = shmat( p_shm->shmid, 0, 0 );
2943     if(! p_shm->shmaddr )
2944     {
2945         msg_Err( p_vout, "cannot attach shared memory (%m)" );
2946         IMAGE_FREE( p_image );
2947         shmctl( p_shm->shmid, IPC_RMID, 0 );
2948         return NULL;
2949     }
2950
2951     /* Read-only data. We won't be using XShmGetImage */
2952     p_shm->readOnly = True;
2953
2954     /* Attach shared memory segment to X server */
2955     XSynchronize( p_display, True );
2956     i_shm_major = p_vout->p_sys->i_shm_opcode;
2957     result = XShmAttach( p_display, p_shm );
2958     if( result == False || !i_shm_major )
2959     {
2960         msg_Err( p_vout, "cannot attach shared memory to X server" );
2961         IMAGE_FREE( p_image );
2962         shmctl( p_shm->shmid, IPC_RMID, 0 );
2963         shmdt( p_shm->shmaddr );
2964         return NULL;
2965     }
2966     XSynchronize( p_display, False );
2967
2968     /* Send image to X server. This instruction is required, since having
2969      * built a Shm XImage and not using it causes an error on XCloseDisplay,
2970      * and remember NOT to use XFlush ! */
2971     XSync( p_display, False );
2972
2973 #if 0
2974     /* Mark the shm segment to be removed when there are no more
2975      * attachements, so it is automatic on process exit or after shmdt */
2976     shmctl( p_shm->shmid, IPC_RMID, 0 );
2977 #endif
2978
2979     return p_image;
2980 }
2981 #endif
2982
2983 /*****************************************************************************
2984  * CreateImage: create an XImage or XvImage
2985  *****************************************************************************
2986  * Create a simple image used as a buffer.
2987  *****************************************************************************/
2988 static IMAGE_TYPE * CreateImage( vout_thread_t *p_vout,
2989                                  Display *p_display, EXTRA_ARGS,
2990                                  int i_width, int i_height )
2991 {
2992     uint8_t *    p_data;                          /* image data storage zone */
2993     IMAGE_TYPE *p_image;
2994 #ifdef MODULE_NAME_IS_x11
2995     int         i_quantum;                     /* XImage quantum (see below) */
2996     int         i_bytes_per_line;
2997 #endif
2998
2999     /* Allocate memory for image */
3000 #ifdef MODULE_NAME_IS_xvideo
3001     p_data = malloc( i_width * i_height * i_bits_per_pixel / 8 );
3002 #elif defined(MODULE_NAME_IS_x11)
3003     i_bytes_per_line = i_width * i_bytes_per_pixel;
3004     p_data = malloc( i_bytes_per_line * i_height );
3005 #endif
3006     if( !p_data )
3007         return NULL;
3008
3009 #ifdef MODULE_NAME_IS_x11
3010     /* Optimize the quantum of a scanline regarding its size - the quantum is
3011        a diviser of the number of bits between the start of two scanlines. */
3012     if( i_bytes_per_line & 0xf )
3013     {
3014         i_quantum = 0x8;
3015     }
3016     else if( i_bytes_per_line & 0x10 )
3017     {
3018         i_quantum = 0x10;
3019     }
3020     else
3021     {
3022         i_quantum = 0x20;
3023     }
3024 #endif
3025
3026     /* Create XImage. p_data will be automatically freed */
3027 #ifdef MODULE_NAME_IS_xvideo
3028     p_image = XvCreateImage( p_display, i_xvport, i_chroma,
3029                              (char *)p_data, i_width, i_height );
3030 #elif defined(MODULE_NAME_IS_x11)
3031     p_image = XCreateImage( p_display, p_visual, i_depth, ZPixmap, 0,
3032                             (char *)p_data, i_width, i_height, i_quantum, 0 );
3033 #endif
3034     if( p_image == NULL )
3035     {
3036         msg_Err( p_vout, "XCreateImage() failed" );
3037         free( p_data );
3038         return NULL;
3039     }
3040
3041     return p_image;
3042 }
3043
3044 #endif
3045 /*****************************************************************************
3046  * X11ErrorHandler: replace error handler so we can intercept some of them
3047  *****************************************************************************/
3048 static int X11ErrorHandler( Display * display, XErrorEvent * event )
3049 {
3050     char txt[1024];
3051
3052     XGetErrorText( display, event->error_code, txt, sizeof( txt ) );
3053     fprintf( stderr,
3054              "[????????] x11 video output error: X11 request %u.%u failed "
3055               "with error code %u:\n %s\n",
3056              event->request_code, event->minor_code, event->error_code, txt );
3057
3058     switch( event->request_code )
3059     {
3060     case X_SetInputFocus:
3061         /* Ignore errors on XSetInputFocus()
3062          * (they happen when a window is not yet mapped) */
3063         return 0;
3064     }
3065
3066 #ifdef HAVE_SYS_SHM_H
3067     if( event->request_code == i_shm_major ) /* MIT-SHM */
3068     {
3069         fprintf( stderr,
3070                  "[????????] x11 video output notice:"
3071                  " buggy X11 server claims shared memory\n"
3072                  "[????????] x11 video output notice:"
3073                  " support though it does not work (OpenSSH?)\n" );
3074         return i_shm_major = 0;
3075     }
3076 #endif
3077
3078 #ifndef HAVE_OSSO
3079     XSetErrorHandler(NULL);
3080     return (XSetErrorHandler(X11ErrorHandler))( display, event );
3081 #else
3082     /* Work-around Maemo Xvideo bug */
3083     return 0;
3084 #endif
3085 }
3086
3087 #ifdef MODULE_NAME_IS_x11
3088 /*****************************************************************************
3089  * SetPalette: sets an 8 bpp palette
3090  *****************************************************************************
3091  * This function sets the palette given as an argument. It does not return
3092  * anything, but could later send information on which colors it was unable
3093  * to set.
3094  *****************************************************************************/
3095 static void SetPalette( vout_thread_t *p_vout,
3096                         uint16_t *red, uint16_t *green, uint16_t *blue )
3097 {
3098     int i;
3099     XColor p_colors[255];
3100
3101     /* allocate palette */
3102     for( i = 0; i < 255; i++ )
3103     {
3104         /* kludge: colors are indexed reversely because color 255 seems
3105          * to be reserved for black even if we try to set it to white */
3106         p_colors[ i ].pixel = 255 - i;
3107         p_colors[ i ].pad   = 0;
3108         p_colors[ i ].flags = DoRed | DoGreen | DoBlue;
3109         p_colors[ i ].red   = red[ 255 - i ];
3110         p_colors[ i ].blue  = blue[ 255 - i ];
3111         p_colors[ i ].green = green[ 255 - i ];
3112     }
3113
3114     XStoreColors( p_vout->p_sys->p_display,
3115                   p_vout->p_sys->colormap, p_colors, 255 );
3116 }
3117 #endif
3118
3119 /*****************************************************************************
3120  * Control: control facility for the vout
3121  *****************************************************************************/
3122 static int Control( vout_thread_t *p_vout, int i_query, va_list args )
3123 {
3124     bool b_arg;
3125     unsigned int i_width, i_height;
3126     unsigned int *pi_width, *pi_height;
3127     Drawable d = 0;
3128
3129     switch( i_query )
3130     {
3131         case VOUT_SET_SIZE:
3132             if( p_vout->p_sys->p_win->owner_window )
3133                 return vout_ControlWindow( p_vout->p_sys->p_win->owner_window,
3134                                            i_query, args);
3135
3136             i_width  = va_arg( args, unsigned int );
3137             i_height = va_arg( args, unsigned int );
3138             if( !i_width ) i_width = p_vout->i_window_width;
3139             if( !i_height ) i_height = p_vout->i_window_height;
3140
3141 #ifdef MODULE_NAME_IS_xvmc
3142             xvmc_context_reader_lock( &p_vout->p_sys->xvmc_lock );
3143 #endif
3144             /* Update dimensions */
3145             XResizeWindow( p_vout->p_sys->p_display,
3146                            p_vout->p_sys->p_win->base_window,
3147                            i_width, i_height );
3148 #ifdef MODULE_NAME_IS_xvmc
3149             xvmc_context_reader_unlock( &p_vout->p_sys->xvmc_lock );
3150 #endif
3151             return VLC_SUCCESS;
3152
3153         case VOUT_SET_STAY_ON_TOP:
3154             if( p_vout->p_sys->p_win->owner_window )
3155                 return vout_ControlWindow( p_vout->p_sys->p_win->owner_window,
3156                                            i_query, args);
3157
3158             b_arg = (bool) va_arg( args, int );
3159 #ifdef MODULE_NAME_IS_xvmc
3160             xvmc_context_reader_lock( &p_vout->p_sys->xvmc_lock );
3161 #endif
3162             WindowOnTop( p_vout, b_arg );
3163 #ifdef MODULE_NAME_IS_xvmc
3164             xvmc_context_reader_unlock( &p_vout->p_sys->xvmc_lock );
3165 #endif
3166             return VLC_SUCCESS;
3167
3168        default:
3169             return VLC_EGENERIC;
3170     }
3171 }
3172
3173 /*****************************************************************************
3174  * TestNetWMSupport: tests for Extended Window Manager Hints support
3175  *****************************************************************************/
3176 static void TestNetWMSupport( vout_thread_t *p_vout )
3177 {
3178     int i_ret, i_format;
3179     unsigned long i, i_items, i_bytesafter;
3180     Atom net_wm_supported;
3181     union { Atom *p_atom; unsigned char *p_char; } p_args;
3182
3183     p_args.p_atom = NULL;
3184
3185     p_vout->p_sys->b_net_wm_state_fullscreen =
3186     p_vout->p_sys->b_net_wm_state_above =
3187     p_vout->p_sys->b_net_wm_state_below =
3188     p_vout->p_sys->b_net_wm_state_stays_on_top =
3189         false;
3190
3191     net_wm_supported =
3192         XInternAtom( p_vout->p_sys->p_display, "_NET_SUPPORTED", False );
3193
3194     i_ret = XGetWindowProperty( p_vout->p_sys->p_display,
3195                                 DefaultRootWindow( p_vout->p_sys->p_display ),
3196                                 net_wm_supported,
3197                                 0, 16384, False, AnyPropertyType,
3198                                 &net_wm_supported,
3199                                 &i_format, &i_items, &i_bytesafter,
3200                                 (unsigned char **)&p_args );
3201
3202     if( i_ret != Success || i_items == 0 ) return;
3203
3204     msg_Dbg( p_vout, "Window manager supports NetWM" );
3205
3206     p_vout->p_sys->net_wm_state =
3207         XInternAtom( p_vout->p_sys->p_display, "_NET_WM_STATE", False );
3208     p_vout->p_sys->net_wm_state_fullscreen =
3209         XInternAtom( p_vout->p_sys->p_display, "_NET_WM_STATE_FULLSCREEN",
3210                      False );
3211     p_vout->p_sys->net_wm_state_above =
3212         XInternAtom( p_vout->p_sys->p_display, "_NET_WM_STATE_ABOVE", False );
3213     p_vout->p_sys->net_wm_state_below =
3214         XInternAtom( p_vout->p_sys->p_display, "_NET_WM_STATE_BELOW", False );
3215     p_vout->p_sys->net_wm_state_stays_on_top =
3216         XInternAtom( p_vout->p_sys->p_display, "_NET_WM_STATE_STAYS_ON_TOP",
3217                      False );
3218
3219     for( i = 0; i < i_items; i++ )
3220     {
3221         if( p_args.p_atom[i] == p_vout->p_sys->net_wm_state_fullscreen )
3222         {
3223             msg_Dbg( p_vout,
3224                      "Window manager supports _NET_WM_STATE_FULLSCREEN" );
3225             p_vout->p_sys->b_net_wm_state_fullscreen = true;
3226         }
3227         else if( p_args.p_atom[i] == p_vout->p_sys->net_wm_state_above )
3228         {
3229             msg_Dbg( p_vout, "Window manager supports _NET_WM_STATE_ABOVE" );
3230             p_vout->p_sys->b_net_wm_state_above = true;
3231         }
3232         else if( p_args.p_atom[i] == p_vout->p_sys->net_wm_state_below )
3233         {
3234             msg_Dbg( p_vout, "Window manager supports _NET_WM_STATE_BELOW" );
3235             p_vout->p_sys->b_net_wm_state_below = true;
3236         }
3237         else if( p_args.p_atom[i] == p_vout->p_sys->net_wm_state_stays_on_top )
3238         {
3239             msg_Dbg( p_vout,
3240                      "Window manager supports _NET_WM_STATE_STAYS_ON_TOP" );
3241             p_vout->p_sys->b_net_wm_state_stays_on_top = true;
3242         }
3243     }
3244
3245     XFree( p_args.p_atom );
3246 }
3247
3248 /*****************************************************************************
3249  * Key events handling
3250  *****************************************************************************/
3251 static const struct
3252 {
3253     int i_x11key;
3254     int i_vlckey;
3255
3256 } x11keys_to_vlckeys[] =
3257 {
3258     { XK_F1, KEY_F1 }, { XK_F2, KEY_F2 }, { XK_F3, KEY_F3 }, { XK_F4, KEY_F4 },
3259     { XK_F5, KEY_F5 }, { XK_F6, KEY_F6 }, { XK_F7, KEY_F7 }, { XK_F8, KEY_F8 },
3260     { XK_F9, KEY_F9 }, { XK_F10, KEY_F10 }, { XK_F11, KEY_F11 },
3261     { XK_F12, KEY_F12 },
3262
3263     { XK_Return, KEY_ENTER },
3264     { XK_KP_Enter, KEY_ENTER },
3265     { XK_space, KEY_SPACE },
3266     { XK_Escape, KEY_ESC },
3267
3268     { XK_Menu, KEY_MENU },
3269     { XK_Left, KEY_LEFT },
3270     { XK_Right, KEY_RIGHT },
3271     { XK_Up, KEY_UP },
3272     { XK_Down, KEY_DOWN },
3273
3274     { XK_Home, KEY_HOME },
3275     { XK_End, KEY_END },
3276     { XK_Page_Up, KEY_PAGEUP },
3277     { XK_Page_Down, KEY_PAGEDOWN },
3278
3279     { XK_Insert, KEY_INSERT },
3280     { XK_Delete, KEY_DELETE },
3281     { XF86XK_AudioNext, KEY_MEDIA_NEXT_TRACK},
3282     { XF86XK_AudioPrev, KEY_MEDIA_PREV_TRACK},
3283     { XF86XK_AudioMute, KEY_VOLUME_MUTE },
3284     { XF86XK_AudioLowerVolume, KEY_VOLUME_DOWN },
3285     { XF86XK_AudioRaiseVolume, KEY_VOLUME_UP },
3286     { XF86XK_AudioPlay, KEY_MEDIA_PLAY_PAUSE },
3287     { XF86XK_AudioPause, KEY_MEDIA_PLAY_PAUSE },
3288
3289     { 0, 0 }
3290 };
3291
3292 static int ConvertKey( int i_key )
3293 {
3294     int i;
3295
3296     for( i = 0; x11keys_to_vlckeys[i].i_x11key != 0; i++ )
3297     {
3298         if( x11keys_to_vlckeys[i].i_x11key == i_key )
3299         {
3300             return x11keys_to_vlckeys[i].i_vlckey;
3301         }
3302     }
3303
3304     return 0;
3305 }
3306
3307 /*****************************************************************************
3308  * WindowOnTop: Switches the "always on top" state of the video window.
3309  *****************************************************************************/
3310 static int WindowOnTop( vout_thread_t *p_vout, bool b_on_top )
3311 {
3312     if( p_vout->p_sys->b_net_wm_state_stays_on_top )
3313     {
3314         XClientMessageEvent event;
3315
3316         memset( &event, 0, sizeof( XClientMessageEvent ) );
3317
3318         event.type = ClientMessage;
3319         event.message_type = p_vout->p_sys->net_wm_state;
3320         event.display = p_vout->p_sys->p_display;
3321         event.window = p_vout->p_sys->p_win->base_window;
3322         event.format = 32;
3323         event.data.l[ 0 ] = b_on_top; /* set property */
3324         event.data.l[ 1 ] = p_vout->p_sys->net_wm_state_stays_on_top;
3325
3326         XSendEvent( p_vout->p_sys->p_display,
3327                     DefaultRootWindow( p_vout->p_sys->p_display ),
3328                     False, SubstructureRedirectMask,
3329                     (XEvent*)&event );
3330     }
3331
3332     /* use _NET_WM_STATE_ABOVE if window manager
3333      * doesn't handle _NET_WM_STATE_STAYS_ON_TOP */
3334     else if( p_vout->p_sys->b_net_wm_state_above )
3335     {
3336         XClientMessageEvent event;
3337
3338         memset( &event, 0, sizeof( XClientMessageEvent ) );
3339
3340         event.type = ClientMessage;
3341         event.message_type = p_vout->p_sys->net_wm_state;
3342         event.display = p_vout->p_sys->p_display;
3343         event.window = p_vout->p_sys->p_win->base_window;
3344         event.format = 32;
3345         event.data.l[ 0 ] = b_on_top; /* set property */
3346         event.data.l[ 1 ] = p_vout->p_sys->net_wm_state_above;
3347
3348         XSendEvent( p_vout->p_sys->p_display,
3349                     DefaultRootWindow( p_vout->p_sys->p_display ),
3350                     False, SubstructureRedirectMask,
3351                     (XEvent*)&event );
3352     }
3353
3354     return VLC_SUCCESS;
3355 }