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

   1 /*****************************************************************************
   2  * xcommon.c: Functions common to the X11 and XVideo plugins
   3  *****************************************************************************
   4  * Copyright (C) 1998-2006 the VideoLAN team
   5  * $Id$
   6  *
   7  * Authors: Vincent Seguin <seguin@via.ecp.fr>
   8  *          Sam Hocevar <sam@zoy.org>
   9  *          David Kennedy <dkennedy@tinytoad.com>
  10  *          Gildas Bazin <gbazin@videolan.org>
  11  *
  12  * This program is free software; you can redistribute it and/or modify
  13  * it under the terms of the GNU General Public License as published by
  14  * the Free Software Foundation; either version 2 of the License, or
  15  * (at your option) any later version.
  16  *
  17  * This program is distributed in the hope that it will be useful,
  18  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  19  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  20  * GNU General Public License for more details.
  21  *
  22  * You should have received a copy of the GNU General Public License
  23  * along with this program; if not, write to the Free Software
  24  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
  25  *****************************************************************************/
  26
  27 /*****************************************************************************
  28  * Preamble
  29  *****************************************************************************/
  30 #ifdef HAVE_CONFIG_H
  31 # include "config.h"
  32 #endif
  33
  34 #include <vlc_common.h>
  35 #include <vlc_interface.h>
  36 #include <vlc_playlist.h>
  37 #include <vlc_vout.h>
  38 #include <vlc_keys.h>
  39
  40 #include <errno.h>                                                 /* ENOMEM */
  41
  42 #ifdef HAVE_MACHINE_PARAM_H
  43     /* BSD */
  44 #   include <machine/param.h>
  45 #   include <sys/types.h>                                  /* typedef ushort */
  46 #   include <sys/ipc.h>
  47 #endif
  48
  49 #ifndef WIN32
  50 #   include <netinet/in.h>                            /* BSD: struct in_addr */
  51 #endif
  52
  53 #ifdef HAVE_XSP
  54 #include <X11/extensions/Xsp.h>
  55 #endif
  56
  57 #ifdef HAVE_SYS_SHM_H
  58 #   include <sys/shm.h>                                /* shmget(), shmctl() */
  59 #endif
  60
  61 #include <X11/Xlib.h>
  62 #include <X11/Xproto.h>
  63 #include <X11/Xmd.h>
  64 #include <X11/Xutil.h>
  65 #include <X11/keysym.h>
  66 #include <X11/XF86keysym.h>
  67 #ifdef HAVE_SYS_SHM_H
  68 #   include <X11/extensions/XShm.h>
  69 #endif
  70 #ifdef DPMSINFO_IN_DPMS_H
  71 #   include <X11/extensions/dpms.h>
  72 #endif
  73
  74 #if defined(MODULE_NAME_IS_xvideo) || defined(MODULE_NAME_IS_xvmc)
  75 #   include <X11/extensions/Xv.h>
  76 #   include <X11/extensions/Xvlib.h>
  77 #endif
  78
  79 #ifdef MODULE_NAME_IS_glx
  80 #   include <GL/glx.h>
  81 #endif
  82
  83 #ifdef HAVE_XINERAMA
  84 #   include <X11/extensions/Xinerama.h>
  85 #endif
  86
  87 #ifdef HAVE_X11_EXTENSIONS_XF86VMODE_H
  88 #   include <X11/extensions/xf86vmode.h>
  89 #endif
  90
  91 #ifdef MODULE_NAME_IS_xvmc
  92 #   include <X11/extensions/vldXvMC.h>
  93 #   include "../../codec/xvmc/accel_xvmc.h"
  94 #endif
  95
  96 #include "xcommon.h"
  97
  98 /*****************************************************************************
  99  * Local prototypes
 100  *****************************************************************************/
 101 int  Activate   ( vlc_object_t * );
 102 void Deactivate ( vlc_object_t * );
 103
 104 static int  InitVideo      ( vout_thread_t * );
 105 static void EndVideo       ( vout_thread_t * );
 106 static void DisplayVideo   ( vout_thread_t *, picture_t * );
 107 static int  ManageVideo    ( vout_thread_t * );
 108 static int  Control        ( vout_thread_t *, int, va_list );
 109
 110 static int  InitDisplay    ( vout_thread_t * );
 111
 112 static int  CreateWindow   ( vout_thread_t *, x11_window_t * );
 113 static void DestroyWindow  ( vout_thread_t *, x11_window_t * );
 114
 115 static int  NewPicture     ( vout_thread_t *, picture_t * );
 116 static void FreePicture    ( vout_thread_t *, picture_t * );
 117
 118 #ifndef MODULE_NAME_IS_glx
 119 static IMAGE_TYPE *CreateImage    ( vout_thread_t *,
 120                                     Display *, EXTRA_ARGS, int, int );
 121 #endif
 122
 123 #ifdef HAVE_SYS_SHM_H
 124 #ifndef MODULE_NAME_IS_glx
 125 IMAGE_TYPE *CreateShmImage ( vout_thread_t *,
 126                                     Display *, EXTRA_ARGS_SHM, int, int );
 127 #endif
 128 static int i_shm_major = 0;
 129 #endif
 130
 131 static void ToggleFullScreen      ( vout_thread_t * );
 132
 133 static void EnableXScreenSaver    ( vout_thread_t * );
 134 static void DisableXScreenSaver   ( vout_thread_t * );
 135
 136 static void CreateCursor   ( vout_thread_t * );
 137 static void DestroyCursor  ( vout_thread_t * );
 138 static void ToggleCursor   ( vout_thread_t * );
 139
 140 #if defined(MODULE_NAME_IS_xvideo) || defined(MODULE_NAME_IS_xvmc)
 141 static int  XVideoGetPort    ( vout_thread_t *, vlc_fourcc_t, vlc_fourcc_t * );
 142 static void XVideoReleasePort( vout_thread_t *, int );
 143 #endif
 144
 145 #ifdef MODULE_NAME_IS_x11
 146 static void SetPalette     ( vout_thread_t *,
 147                              uint16_t *, uint16_t *, uint16_t * );
 148 #endif
 149
 150 #ifdef MODULE_NAME_IS_xvmc
 151 static void RenderVideo    ( vout_thread_t *, picture_t * );
 152 static int  xvmc_check_yv12( Display *display, XvPortID port );
 153 static void xvmc_update_XV_DOUBLE_BUFFER( vout_thread_t *p_vout );
 154 #endif
 155
 156 static void TestNetWMSupport( vout_thread_t * );
 157 static int ConvertKey( int );
 158
 159 static int WindowOnTop( vout_thread_t *, bool );
 160
 161 static int X11ErrorHandler( Display *, XErrorEvent * );
 162
 163 #ifdef HAVE_XSP
 164 static void EnablePixelDoubling( vout_thread_t *p_vout );
 165 static void DisablePixelDoubling( vout_thread_t *p_vout );
 166 #endif
 167
 168 #ifdef HAVE_OSSO
 169 static const int i_backlight_on_interval = 300;
 170 #endif
 171
 172
 173
 174 /*****************************************************************************
 175  * Activate: allocate X11 video thread output method
 176  *****************************************************************************
 177  * This function allocate and initialize a X11 vout method. It uses some of the
 178  * vout properties to choose the window size, and change them according to the
 179  * actual properties of the display.
 180  *****************************************************************************/
 181 int Activate ( vlc_object_t *p_this )
 182 {
 183     vout_thread_t *p_vout = (vout_thread_t *)p_this;
 184     char *        psz_display;
 185     vlc_value_t   val;
 186 #if defined(MODULE_NAME_IS_xvmc)
 187     char *psz_value;
 188 #endif
 189 #if defined(MODULE_NAME_IS_xvideo) || defined(MODULE_NAME_IS_xvmc)
 190     char *       psz_chroma;
 191     vlc_fourcc_t i_chroma = 0;
 192     bool   b_chroma = 0;
 193 #endif
 194
 195     p_vout->pf_init = InitVideo;
 196     p_vout->pf_end = EndVideo;
 197     p_vout->pf_manage = ManageVideo;
 198 #ifdef MODULE_NAME_IS_xvmc
 199     p_vout->pf_render = RenderVideo;
 200 #else
 201     p_vout->pf_render = NULL;
 202 #endif
 203     p_vout->pf_display = DisplayVideo;
 204     p_vout->pf_control = Control;
 205
 206     /* Allocate structure */
 207     p_vout->p_sys = malloc( sizeof( vout_sys_t ) );
 208     if( p_vout->p_sys == NULL )
 209         return VLC_ENOMEM;
 210
 211     vlc_mutex_init( &p_vout->p_sys->lock );
 212
 213     /* Open display, using the "display" config variable or the DISPLAY
 214      * environment variable */
 215     psz_display = config_GetPsz( p_vout, MODULE_STRING "-display" );
 216
 217     p_vout->p_sys->p_display = XOpenDisplay( psz_display );
 218
 219     if( p_vout->p_sys->p_display == NULL )                         /* error */
 220     {
 221         msg_Err( p_vout, "cannot open display %s",
 222                          XDisplayName( psz_display ) );
 223         free( p_vout->p_sys );
 224         free( psz_display );
 225         return VLC_EGENERIC;
 226     }
 227     free( psz_display );
 228
 229     /* Replace error handler so we can intercept some non-fatal errors */
 230     XSetErrorHandler( X11ErrorHandler );
 231
 232     /* Get a screen ID matching the XOpenDisplay return value */
 233     p_vout->p_sys->i_screen = DefaultScreen( p_vout->p_sys->p_display );
 234
 235 #if defined(MODULE_NAME_IS_xvideo) || defined(MODULE_NAME_IS_xvmc)
 236     psz_chroma = config_GetPsz( p_vout, "xvideo-chroma" );
 237     if( psz_chroma )
 238     {
 239         if( strlen( psz_chroma ) >= 4 )
 240         {
 241             /* Do not use direct assignment because we are not sure of the
 242              * alignment. */
 243             memcpy(&i_chroma, psz_chroma, 4);
 244             b_chroma = 1;
 245         }
 246
 247         free( psz_chroma );
 248     }
 249
 250     if( b_chroma )
 251     {
 252         msg_Dbg( p_vout, "forcing chroma 0x%.8x (%4.4s)",
 253                  i_chroma, (char*)&i_chroma );
 254     }
 255     else
 256     {
 257         i_chroma = p_vout->render.i_chroma;
 258     }
 259
 260     /* Check that we have access to an XVideo port providing this chroma */
 261     p_vout->p_sys->i_xvport = XVideoGetPort( p_vout, VLC2X11_FOURCC(i_chroma),
 262                                              &p_vout->output.i_chroma );
 263     if( p_vout->p_sys->i_xvport < 0 )
 264     {
 265         /* If a specific chroma format was requested, then we don't try to
 266          * be cleverer than the user. He knew pretty well what he wanted. */
 267         if( b_chroma )
 268         {
 269             XCloseDisplay( p_vout->p_sys->p_display );
 270             free( p_vout->p_sys );
 271             return VLC_EGENERIC;
 272         }
 273
 274         /* It failed, but it's not completely lost ! We try to open an
 275          * XVideo port for an YUY2 picture. We'll need to do an YUV
 276          * conversion, but at least it has got scaling. */
 277         p_vout->p_sys->i_xvport =
 278                         XVideoGetPort( p_vout, X11_FOURCC('Y','U','Y','2'),
 279                                                &p_vout->output.i_chroma );
 280         if( p_vout->p_sys->i_xvport < 0 )
 281         {
 282             /* It failed, but it's not completely lost ! We try to open an
 283              * XVideo port for a simple 16bpp RGB picture. We'll need to do
 284              * an YUV conversion, but at least it has got scaling. */
 285             p_vout->p_sys->i_xvport =
 286                             XVideoGetPort( p_vout, X11_FOURCC('R','V','1','6'),
 287                                                    &p_vout->output.i_chroma );
 288             if( p_vout->p_sys->i_xvport < 0 )
 289             {
 290                 XCloseDisplay( p_vout->p_sys->p_display );
 291                 free( p_vout->p_sys );
 292                 return VLC_EGENERIC;
 293             }
 294         }
 295     }
 296     p_vout->output.i_chroma = X112VLC_FOURCC(p_vout->output.i_chroma);
 297 #elif defined(MODULE_NAME_IS_glx)
 298     {
 299         int i_opcode, i_evt, i_err = 0;
 300         int i_maj, i_min = 0;
 301
 302         /* Check for GLX extension */
 303         if( !XQueryExtension( p_vout->p_sys->p_display, "GLX",
 304                               &i_opcode, &i_evt, &i_err ) )
 305         {
 306             msg_Err( p_this, "GLX extension not supported" );
 307             XCloseDisplay( p_vout->p_sys->p_display );
 308             free( p_vout->p_sys );
 309             return VLC_EGENERIC;
 310         }
 311         if( !glXQueryExtension( p_vout->p_sys->p_display, &i_err, &i_evt ) )
 312         {
 313             msg_Err( p_this, "glXQueryExtension failed" );
 314             XCloseDisplay( p_vout->p_sys->p_display );
 315             free( p_vout->p_sys );
 316             return VLC_EGENERIC;
 317         }
 318
 319         /* Check GLX version */
 320         if (!glXQueryVersion( p_vout->p_sys->p_display, &i_maj, &i_min ) )
 321         {
 322             msg_Err( p_this, "glXQueryVersion failed" );
 323             XCloseDisplay( p_vout->p_sys->p_display );
 324             free( p_vout->p_sys );
 325             return VLC_EGENERIC;
 326         }
 327         if( i_maj <= 0 || ((i_maj == 1) && (i_min < 3)) )
 328         {
 329             p_vout->p_sys->b_glx13 = false;
 330             msg_Dbg( p_this, "using GLX 1.2 API" );
 331         }
 332         else
 333         {
 334             p_vout->p_sys->b_glx13 = true;
 335             msg_Dbg( p_this, "using GLX 1.3 API" );
 336         }
 337     }
 338 #endif
 339
 340     /* Create blank cursor (for mouse cursor autohiding) */
 341     p_vout->p_sys->i_time_mouse_last_moved = mdate();
 342     p_vout->p_sys->i_mouse_hide_timeout =
 343         var_GetInteger(p_vout, "mouse-hide-timeout") * 1000;
 344     p_vout->p_sys->b_mouse_pointer_visible = 1;
 345     CreateCursor( p_vout );
 346
 347     /* Set main window's size */
 348     p_vout->p_sys->original_window.i_width = p_vout->i_window_width;
 349     p_vout->p_sys->original_window.i_height = p_vout->i_window_height;
 350     var_Create( p_vout, "video-title", VLC_VAR_STRING | VLC_VAR_DOINHERIT );
 351     /* Spawn base window - this window will include the video output window,
 352      * but also command buttons, subtitles and other indicators */
 353     if( CreateWindow( p_vout, &p_vout->p_sys->original_window ) )
 354     {
 355         msg_Err( p_vout, "cannot create X11 window" );
 356         DestroyCursor( p_vout );
 357         XCloseDisplay( p_vout->p_sys->p_display );
 358         free( p_vout->p_sys );
 359         return VLC_EGENERIC;
 360     }
 361
 362     /* Open and initialize device. */
 363     if( InitDisplay( p_vout ) )
 364     {
 365         msg_Err( p_vout, "cannot initialize X11 display" );
 366         DestroyCursor( p_vout );
 367         DestroyWindow( p_vout, &p_vout->p_sys->original_window );
 368         XCloseDisplay( p_vout->p_sys->p_display );
 369         free( p_vout->p_sys );
 370         return VLC_EGENERIC;
 371     }
 372
 373     /* Disable screen saver */
 374     DisableXScreenSaver( p_vout );
 375
 376     /* Misc init */
 377     p_vout->p_sys->b_altfullscreen = 0;
 378     p_vout->p_sys->i_time_button_last_pressed = 0;
 379
 380     TestNetWMSupport( p_vout );
 381
 382 #ifdef MODULE_NAME_IS_xvmc
 383     p_vout->p_sys->p_last_subtitle_save = NULL;
 384     psz_value = config_GetPsz( p_vout, "xvmc-deinterlace-mode" );
 385
 386     /* Look what method was requested */
 387     //var_Create( p_vout, "xvmc-deinterlace-mode", VLC_VAR_STRING );
 388     //var_Change( p_vout, "xvmc-deinterlace-mode", VLC_VAR_INHERITVALUE, &val, NULL );
 389     if( psz_value )
 390     {
 391         if( (strcmp(psz_value, "bob") == 0) ||
 392             (strcmp(psz_value, "blend") == 0) )
 393            p_vout->p_sys->xvmc_deinterlace_method = 2;
 394         else if (strcmp(psz_value, "discard") == 0)
 395            p_vout->p_sys->xvmc_deinterlace_method = 1;
 396         else
 397            p_vout->p_sys->xvmc_deinterlace_method = 0;
 398         free(psz_value );
 399     }
 400     else
 401         p_vout->p_sys->xvmc_deinterlace_method = 0;
 402
 403     /* Look what method was requested */
 404     //var_Create( p_vout, "xvmc-crop-style", VLC_VAR_STRING );
 405     //var_Change( p_vout, "xvmc-crop-style", VLC_VAR_INHERITVALUE, &val, NULL );
 406     psz_value = config_GetPsz( p_vout, "xvmc-crop-style" );
 407
 408     if( psz_value )
 409     {
 410         if( strncmp( psz_value, "eq", 2 ) == 0 )
 411            p_vout->p_sys->xvmc_crop_style = 1;
 412         else if( strncmp( psz_value, "4-16", 4 ) == 0)
 413            p_vout->p_sys->xvmc_crop_style = 2;
 414         else if( strncmp( psz_value, "16-4", 4 ) == 0)
 415            p_vout->p_sys->xvmc_crop_style = 3;
 416         else
 417            p_vout->p_sys->xvmc_crop_style = 0;
 418         free( psz_value );
 419     }
 420     else
 421         p_vout->p_sys->xvmc_crop_style = 0;
 422
 423     msg_Dbg(p_vout, "Deinterlace = %d", p_vout->p_sys->xvmc_deinterlace_method);
 424     msg_Dbg(p_vout, "Crop = %d", p_vout->p_sys->xvmc_crop_style);
 425
 426     if( checkXvMCCap( p_vout ) == VLC_EGENERIC )
 427     {
 428         msg_Err( p_vout, "no XVMC capability found" );
 429         Deactivate( p_vout );
 430         return VLC_EGENERIC;
 431     }
 432     subpicture_t sub_pic;
 433     sub_pic.p_sys = NULL;
 434     p_vout->p_sys->last_date = 0;
 435 #endif
 436
 437 #ifdef HAVE_XSP
 438     p_vout->p_sys->i_hw_scale = 1;
 439 #endif
 440
 441 #ifdef HAVE_OSSO
 442     p_vout->p_sys->i_backlight_on_counter = i_backlight_on_interval;
 443     p_vout->p_sys->p_octx = osso_initialize( "vlc", VERSION, 0, NULL );
 444     if ( p_vout->p_sys->p_octx == NULL ) {
 445         msg_Err( p_vout, "Could not get osso context" );
 446     } else {
 447         msg_Dbg( p_vout, "Initialized osso context" );
 448     }
 449 #endif
 450
 451     /* Variable to indicate if the window should be on top of others */
 452     /* Trigger a callback right now */
 453     var_Get( p_vout, "video-on-top", &val );
 454     var_Set( p_vout, "video-on-top", val );
 455
 456     return VLC_SUCCESS;
 457 }
 458
 459 /*****************************************************************************
 460  * Deactivate: destroy X11 video thread output method
 461  *****************************************************************************
 462  * Terminate an output method created by Open
 463  *****************************************************************************/
 464 void Deactivate ( vlc_object_t *p_this )
 465 {
 466     vout_thread_t *p_vout = (vout_thread_t *)p_this;
 467
 468     /* If the fullscreen window is still open, close it */
 469     if( p_vout->b_fullscreen )
 470     {
 471         ToggleFullScreen( p_vout );
 472     }
 473
 474     /* Restore cursor if it was blanked */
 475     if( !p_vout->p_sys->b_mouse_pointer_visible )
 476     {
 477         ToggleCursor( p_vout );
 478     }
 479
 480 #ifdef MODULE_NAME_IS_x11
 481     /* Destroy colormap */
 482     if( XDefaultDepth(p_vout->p_sys->p_display, p_vout->p_sys->i_screen) == 8 )
 483     {
 484         XFreeColormap( p_vout->p_sys->p_display, p_vout->p_sys->colormap );
 485     }
 486 #elif defined(MODULE_NAME_IS_xvideo)
 487     XVideoReleasePort( p_vout, p_vout->p_sys->i_xvport );
 488 #elif defined(MODULE_NAME_IS_xvmc)
 489     if( p_vout->p_sys->xvmc_cap )
 490     {
 491         xvmc_context_writer_lock( &p_vout->p_sys->xvmc_lock );
 492         xxmc_dispose_context( p_vout );
 493         if( p_vout->p_sys->old_subpic )
 494         {
 495             xxmc_xvmc_free_subpicture( p_vout, p_vout->p_sys->old_subpic );
 496             p_vout->p_sys->old_subpic = NULL;
 497         }
 498         if( p_vout->p_sys->new_subpic )
 499         {
 500             xxmc_xvmc_free_subpicture( p_vout, p_vout->p_sys->new_subpic );
 501             p_vout->p_sys->new_subpic = NULL;
 502         }
 503         free( p_vout->p_sys->xvmc_cap );
 504         xvmc_context_writer_unlock( &p_vout->p_sys->xvmc_lock );
 505     }
 506 #endif
 507
 508 #ifdef HAVE_XSP
 509     DisablePixelDoubling(p_vout);
 510 #endif
 511
 512     DestroyCursor( p_vout );
 513     EnableXScreenSaver( p_vout );
 514     DestroyWindow( p_vout, &p_vout->p_sys->original_window );
 515     XCloseDisplay( p_vout->p_sys->p_display );
 516
 517     /* Destroy structure */
 518     vlc_mutex_destroy( &p_vout->p_sys->lock );
 519 #ifdef MODULE_NAME_IS_xvmc
 520     free_context_lock( &p_vout->p_sys->xvmc_lock );
 521 #endif
 522
 523 #ifdef HAVE_OSSO
 524     if ( p_vout->p_sys->p_octx != NULL ) {
 525         msg_Dbg( p_vout, "Deinitializing osso context" );
 526         osso_deinitialize( p_vout->p_sys->p_octx );
 527     }
 528 #endif
 529
 530     free( p_vout->p_sys );
 531 }
 532
 533 #ifdef MODULE_NAME_IS_xvmc
 534
 535 #define XINE_IMGFMT_YV12 (('2'<<24)|('1'<<16)|('V'<<8)|'Y')
 536
 537 /* called xlocked */
 538 static int xvmc_check_yv12( Display *display, XvPortID port )
 539 {
 540     XvImageFormatValues *formatValues;
 541     int                  formats;
 542     int                  i;
 543
 544     formatValues = XvListImageFormats( display, port, &formats );
 545
 546     for( i = 0; i < formats; i++ )
 547     {
 548         if( ( formatValues[i].id == XINE_IMGFMT_YV12 ) &&
 549             ( !( strncmp( formatValues[i].guid, "YV12", 4 ) ) ) )
 550         {
 551             XFree (formatValues);
 552             return 0;
 553         }
 554     }
 555
 556     XFree (formatValues);
 557     return 1;
 558 }
 559
 560 static void xvmc_sync_surface( vout_thread_t *p_vout, XvMCSurface * srf )
 561 {
 562     XvMCSyncSurface( p_vout->p_sys->p_display, srf );
 563 }
 564
 565 static void xvmc_update_XV_DOUBLE_BUFFER( vout_thread_t *p_vout )
 566 {
 567     Atom         atom;
 568     int          xv_double_buffer;
 569
 570     xv_double_buffer = 1;
 571
 572     XLockDisplay( p_vout->p_sys->p_display );
 573     atom = XInternAtom( p_vout->p_sys->p_display, "XV_DOUBLE_BUFFER", False );
 574 #if 0
 575     XvSetPortAttribute (p_vout->p_sys->p_display, p_vout->p_sys->i_xvport, atom, xv_double_buffer);
 576 #endif
 577     XvMCSetAttribute( p_vout->p_sys->p_display, &p_vout->p_sys->context, atom, xv_double_buffer );
 578     XUnlockDisplay( p_vout->p_sys->p_display );
 579
 580     //xprintf(this->xine, XINE_VERBOSITY_DEBUG,
 581     //    "video_out_xxmc: double buffering mode = %d\n", xv_double_buffer);
 582 }
 583
 584 static void RenderVideo( vout_thread_t *p_vout, picture_t *p_pic )
 585 {
 586     vlc_xxmc_t *xxmc = NULL;
 587
 588     vlc_mutex_lock( &p_vout->p_sys->lock );
 589     xvmc_context_reader_lock( &p_vout->p_sys->xvmc_lock );
 590
 591     xxmc = &p_pic->p_sys->xxmc_data;
 592     if( (!xxmc->decoded ||
 593         !xxmc_xvmc_surface_valid( p_vout, p_pic->p_sys->xvmc_surf )) )
 594     {
 595         vlc_mutex_unlock( &p_vout->p_sys->lock );
 596         xvmc_context_reader_unlock( &p_vout->p_sys->xvmc_lock );
 597         return;
 598     }
 599
 600 #if 0
 601     vlc_mutex_lock( &p_vout->lastsubtitle_lock );
 602     if (p_vout->p_sys->p_last_subtitle != NULL)
 603     {
 604         if( p_vout->p_sys->p_last_subtitle_save != p_vout->p_sys->p_last_subtitle )
 605         {
 606             p_vout->p_sys->new_subpic =
 607                 xxmc_xvmc_alloc_subpicture( p_vout, &p_vout->p_sys->context,
 608                     p_vout->p_sys->xvmc_width,
 609                     p_vout->p_sys->xvmc_height,
 610                     p_vout->p_sys->xvmc_cap[p_vout->p_sys->xvmc_cur_cap].subPicType.id );
 611
 612             if (p_vout->p_sys->new_subpic)
 613             {
 614                 XVMCLOCKDISPLAY( p_vout->p_sys->p_display );
 615                 XvMCClearSubpicture( p_vout->p_sys->p_display,
 616                         p_vout->p_sys->new_subpic,
 617                         0,
 618                         0,
 619                         p_vout->p_sys->xvmc_width,
 620                         p_vout->p_sys->xvmc_height,
 621                         0x00 );
 622                 XVMCUNLOCKDISPLAY( p_vout->p_sys->p_display );
 623                 clear_xx44_palette( &p_vout->p_sys->palette );
 624
 625                 if( sub_pic.p_sys == NULL )
 626                 {
 627                     sub_pic.p_sys = malloc( sizeof( picture_sys_t ) );
 628                     if( sub_pic.p_sys != NULL )
 629                     {
 630                         sub_pic.p_sys->p_vout = p_vout;
 631                         sub_pic.p_sys->xvmc_surf = NULL;
 632                         sub_pic.p_sys->p_image = p_vout->p_sys->subImage;
 633                     }
 634                 }
 635                 sub_pic.p_sys->p_image = p_vout->p_sys->subImage;
 636                 sub_pic.p->p_pixels = sub_pic.p_sys->p_image->data;
 637                 sub_pic.p->i_pitch = p_vout->output.i_width;
 638
 639                 memset( p_vout->p_sys->subImage->data, 0,
 640                         (p_vout->p_sys->subImage->width * p_vout->p_sys->subImage->height) );
 641
 642                 if (p_vout->p_last_subtitle != NULL)
 643                 {
 644                     blend_xx44( p_vout->p_sys->subImage->data,
 645                                 p_vout->p_last_subtitle,
 646                                 p_vout->p_sys->subImage->width,
 647                                 p_vout->p_sys->subImage->height,
 648                                 p_vout->p_sys->subImage->width,
 649                                 &p_vout->p_sys->palette,
 650                                 (p_vout->p_sys->subImage->id == FOURCC_IA44) );
 651                 }
 652
 653                 XVMCLOCKDISPLAY( p_vout->p_sys->p_display );
 654                 XvMCCompositeSubpicture( p_vout->p_sys->p_display,
 655                                          p_vout->p_sys->new_subpic,
 656                                          p_vout->p_sys->subImage,
 657                                          0, /* overlay->x */
 658                                          0, /* overlay->y */
 659                                          p_vout->output.i_width, /* overlay->width, */
 660                                          p_vout->output.i_height, /* overlay->height */
 661                                          0, /* overlay->x */
 662                                          0 ); /*overlay->y */
 663                 XVMCUNLOCKDISPLAY( p_vout->p_sys->p_display );
 664                 if (p_vout->p_sys->old_subpic)
 665                 {
 666                     xxmc_xvmc_free_subpicture( p_vout,
 667                                                p_vout->p_sys->old_subpic);
 668                     p_vout->p_sys->old_subpic = NULL;
 669                 }
 670                 if (p_vout->p_sys->new_subpic)
 671                 {
 672                     p_vout->p_sys->old_subpic = p_vout->p_sys->new_subpic;
 673                     p_vout->p_sys->new_subpic = NULL;
 674                     xx44_to_xvmc_palette( &p_vout->p_sys->palette,
 675                             p_vout->p_sys->xvmc_palette,
 676                             0,
 677                             p_vout->p_sys->old_subpic->num_palette_entries,
 678                             p_vout->p_sys->old_subpic->entry_bytes,
 679                             p_vout->p_sys->old_subpic->component_order );
 680                     XVMCLOCKDISPLAY( p_vout->p_sys->p_display );
 681                     XvMCSetSubpicturePalette( p_vout->p_sys->p_display,
 682                                               p_vout->p_sys->old_subpic,
 683                                               p_vout->p_sys->xvmc_palette );
 684                     XvMCFlushSubpicture( p_vout->p_sys->p_display,
 685                                          p_vout->p_sys->old_subpic);
 686                     XvMCSyncSubpicture( p_vout->p_sys->p_display,
 687                                         p_vout->p_sys->old_subpic );
 688                     XVMCUNLOCKDISPLAY( p_vout->p_sys->p_display );
 689                 }
 690
 691                 XVMCLOCKDISPLAY( p_vout->p_sys->p_display);
 692                 if (p_vout->p_sys->xvmc_backend_subpic )
 693                 {
 694                     XvMCBlendSubpicture( p_vout->p_sys->p_display,
 695                                          p_pic->p_sys->xvmc_surf,
 696                                          p_vout->p_sys->old_subpic,
 697                                          0,
 698                                          0,
 699                                          p_vout->p_sys->xvmc_width,
 700                                          p_vout->p_sys->xvmc_height,
 701                                          0,
 702                                          0,
 703                                          p_vout->p_sys->xvmc_width,
 704                                          p_vout->p_sys->xvmc_height );
 705                 }
 706                 else
 707                 {
 708                     XvMCBlendSubpicture2( p_vout->p_sys->p_display,
 709                                           p_pic->p_sys->xvmc_surf,
 710                                           p_pic->p_sys->xvmc_surf,
 711                                           p_vout->p_sys->old_subpic,
 712                                           0,
 713                                           0,
 714                                           p_vout->p_sys->xvmc_width,
 715                                           p_vout->p_sys->xvmc_height,
 716                                           0,
 717                                           0,
 718                                           p_vout->p_sys->xvmc_width,
 719                                           p_vout->p_sys->xvmc_height );
 720                }
 721                XVMCUNLOCKDISPLAY(p_vout->p_sys->p_display);
 722             }
 723         }
 724         else
 725         {
 726             XVMCLOCKDISPLAY( p_vout->p_sys->p_display );
 727             if( p_vout->p_sys->xvmc_backend_subpic )
 728             {
 729                 XvMCBlendSubpicture( p_vout->p_sys->p_display,
 730                                      p_pic->p_sys->xvmc_surf,
 731                                      p_vout->p_sys->old_subpic,
 732                                      0, 0,
 733                                      p_vout->p_sys->xvmc_width,
 734                                      p_vout->p_sys->xvmc_height,
 735                                      0, 0,
 736                                      p_vout->p_sys->xvmc_width,
 737                                      p_vout->p_sys->xvmc_height );
 738             }
 739             else
 740             {
 741                 XvMCBlendSubpicture2( p_vout->p_sys->p_display,
 742                                       p_pic->p_sys->xvmc_surf,
 743                                       p_pic->p_sys->xvmc_surf,
 744                                       p_vout->p_sys->old_subpic,
 745                                       0, 0,
 746                                       p_vout->p_sys->xvmc_width,
 747                                       p_vout->p_sys->xvmc_height,
 748                                       0, 0,
 749                                       p_vout->p_sys->xvmc_width,
 750                                       p_vout->p_sys->xvmc_height );
 751             }
 752             XVMCUNLOCKDISPLAY( p_vout->p_sys->p_display );
 753         }
 754     }
 755     p_vout->p_sys->p_last_subtitle_save = p_vout->p_last_subtitle;
 756
 757     vlc_mutex_unlock( &p_vout->lastsubtitle_lock );
 758 #endif
 759     xvmc_context_reader_unlock( &p_vout->p_sys->xvmc_lock );
 760
 761     vlc_mutex_unlock( &p_vout->p_sys->lock );
 762 }
 763 #endif
 764
 765 #ifdef HAVE_XSP
 766 /*****************************************************************************
 767  * EnablePixelDoubling: Enables pixel doubling
 768  *****************************************************************************
 769  * Checks if the double size image fits in current window, and enables pixel
 770  * doubling accordingly. The i_hw_scale is the integer scaling factor.
 771  *****************************************************************************/
 772 static void EnablePixelDoubling( vout_thread_t *p_vout )
 773 {
 774     int i_hor_scale = ( p_vout->p_sys->p_win->i_width ) / p_vout->render.i_width;
 775     int i_vert_scale =  ( p_vout->p_sys->p_win->i_height ) / p_vout->render.i_height;
 776     if ( ( i_hor_scale > 1 ) && ( i_vert_scale > 1 ) ) {
 777         p_vout->p_sys->i_hw_scale = 2;
 778         msg_Dbg( p_vout, "Enabling pixel doubling, scaling factor %d", p_vout->p_sys->i_hw_scale );
 779         XSPSetPixelDoubling( p_vout->p_sys->p_display, 0, 1 );
 780     }
 781 }
 782
 783 /*****************************************************************************
 784  * DisablePixelDoubling: Disables pixel doubling
 785  *****************************************************************************
 786  * The scaling factor i_hw_scale is reset to the no-scaling value 1.
 787  *****************************************************************************/
 788 static void DisablePixelDoubling( vout_thread_t *p_vout )
 789 {
 790     if ( p_vout->p_sys->i_hw_scale > 1 ) {
 791         msg_Dbg( p_vout, "Disabling pixel doubling" );
 792         XSPSetPixelDoubling( p_vout->p_sys->p_display, 0, 0 );
 793         p_vout->p_sys->i_hw_scale = 1;
 794     }
 795 }
 796 #endif
 797
 798
 799
 800 /*****************************************************************************
 801  * InitVideo: initialize X11 video thread output method
 802  *****************************************************************************
 803  * This function create the XImages needed by the output thread. It is called
 804  * at the beginning of the thread, but also each time the window is resized.
 805  *****************************************************************************/
 806 static int InitVideo( vout_thread_t *p_vout )
 807 {
 808     unsigned int i_index = 0;
 809     picture_t *p_pic;
 810
 811     I_OUTPUTPICTURES = 0;
 812
 813 #if defined(MODULE_NAME_IS_xvideo) || defined(MODULE_NAME_IS_xvmc)
 814     /* Initialize the output structure; we already found an XVideo port,
 815      * and the corresponding chroma we will be using. Since we can
 816      * arbitrary scale, stick to the coordinates and aspect. */
 817     p_vout->output.i_width  = p_vout->render.i_width;
 818     p_vout->output.i_height = p_vout->render.i_height;
 819     p_vout->output.i_aspect = p_vout->render.i_aspect;
 820
 821     p_vout->fmt_out = p_vout->fmt_in;
 822     p_vout->fmt_out.i_chroma = p_vout->output.i_chroma;
 823
 824     switch( p_vout->output.i_chroma )
 825     {
 826         case VLC_FOURCC('R','V','1','6'):
 827 #if defined( WORDS_BIGENDIAN )
 828             p_vout->output.i_rmask = 0xf800;
 829             p_vout->output.i_gmask = 0x07e0;
 830             p_vout->output.i_bmask = 0x001f;
 831 #else
 832             p_vout->output.i_rmask = 0x001f;
 833             p_vout->output.i_gmask = 0x07e0;
 834             p_vout->output.i_bmask = 0xf800;
 835 #endif
 836             break;
 837         case VLC_FOURCC('R','V','1','5'):
 838 #if defined( WORDS_BIGENDIAN )
 839             p_vout->output.i_rmask = 0x7c00;
 840             p_vout->output.i_gmask = 0x03e0;
 841             p_vout->output.i_bmask = 0x001f;
 842 #else
 843             p_vout->output.i_rmask = 0x001f;
 844             p_vout->output.i_gmask = 0x03e0;
 845             p_vout->output.i_bmask = 0x7c00;
 846 #endif
 847             break;
 848     }
 849
 850 #elif defined(MODULE_NAME_IS_x11)
 851     /* Initialize the output structure: RGB with square pixels, whatever
 852      * the input format is, since it's the only format we know */
 853     switch( p_vout->p_sys->i_screen_depth )
 854     {
 855         case 8: /* FIXME: set the palette */
 856             p_vout->output.i_chroma = VLC_FOURCC('R','G','B','2'); break;
 857         case 15:
 858             p_vout->output.i_chroma = VLC_FOURCC('R','V','1','5'); break;
 859         case 16:
 860             p_vout->output.i_chroma = VLC_FOURCC('R','V','1','6'); break;
 861         case 24:
 862         case 32:
 863             p_vout->output.i_chroma = VLC_FOURCC('R','V','3','2'); break;
 864         default:
 865             msg_Err( p_vout, "unknown screen depth %i",
 866                      p_vout->p_sys->i_screen_depth );
 867             return VLC_SUCCESS;
 868     }
 869
 870 #ifdef HAVE_XSP
 871     vout_PlacePicture( p_vout, p_vout->p_sys->p_win->i_width  / p_vout->p_sys->i_hw_scale,
 872                        p_vout->p_sys->p_win->i_height  / p_vout->p_sys->i_hw_scale,
 873                        &i_index, &i_index,
 874                        &p_vout->fmt_out.i_visible_width,
 875                        &p_vout->fmt_out.i_visible_height );
 876 #else
 877     vout_PlacePicture( p_vout, p_vout->p_sys->p_win->i_width,
 878                        p_vout->p_sys->p_win->i_height,
 879                        &i_index, &i_index,
 880                        &p_vout->fmt_out.i_visible_width,
 881                        &p_vout->fmt_out.i_visible_height );
 882 #endif
 883
 884     p_vout->fmt_out.i_chroma = p_vout->output.i_chroma;
 885
 886     p_vout->output.i_width = p_vout->fmt_out.i_width =
 887         p_vout->fmt_out.i_visible_width * p_vout->fmt_in.i_width /
 888         p_vout->fmt_in.i_visible_width;
 889     p_vout->output.i_height = p_vout->fmt_out.i_height =
 890         p_vout->fmt_out.i_visible_height * p_vout->fmt_in.i_height /
 891         p_vout->fmt_in.i_visible_height;
 892     p_vout->fmt_out.i_x_offset =
 893         p_vout->fmt_out.i_visible_width * p_vout->fmt_in.i_x_offset /
 894         p_vout->fmt_in.i_visible_width;
 895     p_vout->fmt_out.i_y_offset =
 896         p_vout->fmt_out.i_visible_height * p_vout->fmt_in.i_y_offset /
 897         p_vout->fmt_in.i_visible_height;
 898
 899     p_vout->fmt_out.i_sar_num = p_vout->fmt_out.i_sar_den = 1;
 900     p_vout->output.i_aspect = p_vout->fmt_out.i_aspect =
 901         p_vout->fmt_out.i_width * VOUT_ASPECT_FACTOR /p_vout->fmt_out.i_height;
 902
 903     msg_Dbg( p_vout, "x11 image size %ix%i (%i,%i,%ix%i)",
 904              p_vout->fmt_out.i_width, p_vout->fmt_out.i_height,
 905              p_vout->fmt_out.i_x_offset, p_vout->fmt_out.i_y_offset,
 906              p_vout->fmt_out.i_visible_width,
 907              p_vout->fmt_out.i_visible_height );
 908 #endif
 909
 910     /* Try to initialize up to MAX_DIRECTBUFFERS direct buffers */
 911     while( I_OUTPUTPICTURES < MAX_DIRECTBUFFERS )
 912     {
 913         p_pic = NULL;
 914
 915         /* Find an empty picture slot */
 916         for( i_index = 0 ; i_index < VOUT_MAX_PICTURES ; i_index++ )
 917         {
 918           if( p_vout->p_picture[ i_index ].i_status == FREE_PICTURE )
 919             {
 920                 p_pic = p_vout->p_picture + i_index;
 921                 break;
 922             }
 923         }
 924
 925         /* Allocate the picture */
 926         if( p_pic == NULL || NewPicture( p_vout, p_pic ) )
 927         {
 928             break;
 929         }
 930
 931         p_pic->i_status = DESTROYED_PICTURE;
 932         p_pic->i_type   = DIRECT_PICTURE;
 933
 934         PP_OUTPUTPICTURE[ I_OUTPUTPICTURES ] = p_pic;
 935
 936         I_OUTPUTPICTURES++;
 937     }
 938
 939     if( p_vout->output.i_chroma == VLC_FOURCC('Y','V','1','2') )
 940     {
 941         /* U and V inverted compared to I420
 942          * Fixme: this should be handled by the vout core */
 943         p_vout->output.i_chroma = VLC_FOURCC('I','4','2','0');
 944         p_vout->fmt_out.i_chroma = VLC_FOURCC('I','4','2','0');
 945     }
 946
 947     return VLC_SUCCESS;
 948 }
 949
 950 /*****************************************************************************
 951  * DisplayVideo: displays previously rendered output
 952  *****************************************************************************
 953  * This function sends the currently rendered image to X11 server.
 954  * (The Xv extension takes care of "double-buffering".)
 955  *****************************************************************************/
 956 static void DisplayVideo( vout_thread_t *p_vout, picture_t *p_pic )
 957 {
 958     unsigned int i_width, i_height, i_x, i_y;
 959
 960     vout_PlacePicture( p_vout, p_vout->p_sys->p_win->i_width,
 961                        p_vout->p_sys->p_win->i_height,
 962                        &i_x, &i_y, &i_width, &i_height );
 963
 964     vlc_mutex_lock( &p_vout->p_sys->lock );
 965
 966 #ifdef MODULE_NAME_IS_xvmc
 967     xvmc_context_reader_lock( &p_vout->p_sys->xvmc_lock );
 968
 969     vlc_xxmc_t *xxmc = &p_pic->p_sys->xxmc_data;
 970     if( !xxmc->decoded ||
 971         !xxmc_xvmc_surface_valid( p_vout, p_pic->p_sys->xvmc_surf ) )
 972     {
 973       msg_Dbg( p_vout, "DisplayVideo decoded=%d\tsurfacevalid=%d",
 974                xxmc->decoded,
 975                xxmc_xvmc_surface_valid( p_vout, p_pic->p_sys->xvmc_surf ) );
 976       vlc_mutex_unlock( &p_vout->p_sys->lock );
 977       xvmc_context_reader_unlock( &p_vout->p_sys->xvmc_lock );
 978       return;
 979     }
 980
 981     int src_width = p_vout->output.i_width;
 982     int src_height = p_vout->output.i_height;
 983     int src_x, src_y;
 984
 985     if( p_vout->p_sys->xvmc_crop_style == 1 )
 986     {
 987         src_x = 20;
 988         src_y = 20;
 989         src_width -= 40;
 990         src_height -= 40;
 991     }
 992     else if( p_vout->p_sys->xvmc_crop_style == 2 )
 993     {
 994         src_x = 20;
 995         src_y = 40;
 996         src_width -= 40;
 997         src_height -= 80;
 998     }
 999     else if( p_vout->p_sys->xvmc_crop_style == 3 )
1000     {
1001         src_x = 40;
1002         src_y = 20;
1003         src_width -= 80;
1004         src_height -= 40;
1005     }
1006     else
1007     {
1008         src_x = 0;
1009         src_y = 0;
1010     }
1011
1012     int first_field;
1013     if( p_vout->p_sys->xvmc_deinterlace_method > 0 )
1014     {   /* BOB DEINTERLACE */
1015         if( (p_pic->p_sys->nb_display == 0) ||
1016             (p_vout->p_sys->xvmc_deinterlace_method == 1) )
1017         {
1018             first_field = (p_pic->b_top_field_first) ?
1019                                 XVMC_BOTTOM_FIELD : XVMC_TOP_FIELD;
1020         }
1021         else
1022         {
1023             first_field = (p_pic->b_top_field_first) ?
1024                                 XVMC_TOP_FIELD : XVMC_BOTTOM_FIELD;
1025         }
1026     }
1027     else
1028     {
1029         first_field = XVMC_FRAME_PICTURE;
1030      }
1031
1032     XVMCLOCKDISPLAY( p_vout->p_sys->p_display );
1033     XvMCFlushSurface( p_vout->p_sys->p_display, p_pic->p_sys->xvmc_surf );
1034     /* XvMCSyncSurface(p_vout->p_sys->p_display, p_picture->p_sys->xvmc_surf); */
1035     XvMCPutSurface( p_vout->p_sys->p_display,
1036                     p_pic->p_sys->xvmc_surf,
1037                     p_vout->p_sys->p_win->video_window,
1038                     src_x,
1039                     src_y,
1040                     src_width,
1041                     src_height,
1042                     0 /*dest_x*/,
1043                     0 /*dest_y*/,
1044                     i_width,
1045                     i_height,
1046                     first_field);
1047
1048     XVMCUNLOCKDISPLAY( p_vout->p_sys->p_display );
1049     if( p_vout->p_sys->xvmc_deinterlace_method == 2 )
1050     {   /* BOB DEINTERLACE */
1051         if( p_pic->p_sys->nb_display == 0 )/* && ((t2-t1) < 15000)) */
1052         {
1053             mtime_t last_date = p_pic->date;
1054
1055             vlc_mutex_lock( &p_vout->picture_lock );
1056             if( !p_vout->p_sys->last_date )
1057             {
1058                 p_pic->date += 20000;
1059             }
1060             else
1061             {
1062                 p_pic->date = ((3 * p_pic->date -
1063                                     p_vout->p_sys->last_date) / 2 );
1064             }
1065             p_vout->p_sys->last_date = last_date;
1066             p_pic->b_force = 1;
1067             p_pic->p_sys->nb_display = 1;
1068             vlc_mutex_unlock( &p_vout->picture_lock );
1069         }
1070         else
1071         {
1072             p_pic->p_sys->nb_display = 0;
1073             p_pic->b_force = 0;
1074         }
1075     }
1076     xvmc_context_reader_unlock( &p_vout->p_sys->xvmc_lock );
1077 #endif
1078
1079 #ifdef HAVE_SYS_SHM_H
1080     if( p_vout->p_sys->i_shm_opcode )
1081     {
1082         /* Display rendered image using shared memory extension */
1083 #   if defined(MODULE_NAME_IS_xvideo) || defined(MODULE_NAME_IS_xvmc)
1084         XvShmPutImage( p_vout->p_sys->p_display, p_vout->p_sys->i_xvport,
1085                        p_vout->p_sys->p_win->video_window,
1086                        p_vout->p_sys->p_win->gc, p_pic->p_sys->p_image,
1087                        p_vout->fmt_out.i_x_offset,
1088                        p_vout->fmt_out.i_y_offset,
1089                        p_vout->fmt_out.i_visible_width,
1090                        p_vout->fmt_out.i_visible_height,
1091                        0 /*dest_x*/, 0 /*dest_y*/, i_width, i_height,
1092                        False /* Don't put True here or you'll waste your CPU */ );
1093 #   else
1094         XShmPutImage( p_vout->p_sys->p_display,
1095                       p_vout->p_sys->p_win->video_window,
1096                       p_vout->p_sys->p_win->gc, p_pic->p_sys->p_image,
1097                       p_vout->fmt_out.i_x_offset,
1098                       p_vout->fmt_out.i_y_offset,
1099                       0 /*dest_x*/, 0 /*dest_y*/,
1100                       p_vout->fmt_out.i_visible_width,
1101                       p_vout->fmt_out.i_visible_height,
1102                       False /* Don't put True here ! */ );
1103 #   endif
1104     }
1105     else
1106 #endif /* HAVE_SYS_SHM_H */
1107     {
1108         /* Use standard XPutImage -- this is gonna be slow ! */
1109 #if defined(MODULE_NAME_IS_xvideo) || defined(MODULE_NAME_IS_xvmc)
1110         XvPutImage( p_vout->p_sys->p_display, p_vout->p_sys->i_xvport,
1111                     p_vout->p_sys->p_win->video_window,
1112                     p_vout->p_sys->p_win->gc, p_pic->p_sys->p_image,
1113                     p_vout->fmt_out.i_x_offset,
1114                     p_vout->fmt_out.i_y_offset,
1115                     p_vout->fmt_out.i_visible_width,
1116                     p_vout->fmt_out.i_visible_height,
1117                     0 /*dest_x*/, 0 /*dest_y*/, i_width, i_height );
1118 #else
1119         XPutImage( p_vout->p_sys->p_display,
1120                    p_vout->p_sys->p_win->video_window,
1121                    p_vout->p_sys->p_win->gc, p_pic->p_sys->p_image,
1122                    p_vout->fmt_out.i_x_offset,
1123                    p_vout->fmt_out.i_y_offset,
1124                    0 /*dest_x*/, 0 /*dest_y*/,
1125                    p_vout->fmt_out.i_visible_width,
1126                    p_vout->fmt_out.i_visible_height );
1127 #endif
1128     }
1129
1130     /* Make sure the command is sent now - do NOT use XFlush !*/
1131     XSync( p_vout->p_sys->p_display, False );
1132
1133     vlc_mutex_unlock( &p_vout->p_sys->lock );
1134 }
1135
1136 /*****************************************************************************
1137  * ManageVideo: handle X11 events
1138  *****************************************************************************
1139  * This function should be called regularly by video output thread. It manages
1140  * X11 events and allows window resizing. It returns a non null value on
1141  * error.
1142  *****************************************************************************/
1143 static int ManageVideo( vout_thread_t *p_vout )
1144 {
1145     XEvent      xevent;                                         /* X11 event */
1146     vlc_value_t val;
1147
1148     vlc_mutex_lock( &p_vout->p_sys->lock );
1149
1150 #ifdef MODULE_NAME_IS_xvmc
1151     xvmc_context_reader_lock( &p_vout->p_sys->xvmc_lock );
1152 #endif
1153
1154     /* Handle events from the owner window */
1155     if( p_vout->p_sys->p_win->owner_window )
1156     {
1157         while( XCheckWindowEvent( p_vout->p_sys->p_display,
1158                                   p_vout->p_sys->p_win->owner_window,
1159                                   StructureNotifyMask, &xevent ) == True )
1160         {
1161             /* ConfigureNotify event: prepare  */
1162             if( xevent.type == ConfigureNotify )
1163             {
1164                 /* Update dimensions */
1165                 XResizeWindow( p_vout->p_sys->p_display,
1166                                p_vout->p_sys->p_win->base_window,
1167                                xevent.xconfigure.width,
1168                                xevent.xconfigure.height );
1169             }
1170         }
1171     }
1172
1173     /* Handle X11 events: ConfigureNotify events are parsed to know if the
1174      * output window's size changed, MapNotify and UnmapNotify to know if the
1175      * window is mapped (and if the display is useful), and ClientMessages
1176      * to intercept window destruction requests */
1177
1178     while( XCheckWindowEvent( p_vout->p_sys->p_display,
1179                               p_vout->p_sys->p_win->base_window,
1180                               StructureNotifyMask | KeyPressMask |
1181                               ButtonPressMask | ButtonReleaseMask |
1182                               PointerMotionMask | Button1MotionMask , &xevent )
1183            == True )
1184     {
1185         /* ConfigureNotify event: prepare  */
1186         if( xevent.type == ConfigureNotify )
1187         {
1188             if( (unsigned int)xevent.xconfigure.width
1189                    != p_vout->p_sys->p_win->i_width
1190               || (unsigned int)xevent.xconfigure.height
1191                     != p_vout->p_sys->p_win->i_height )
1192             {
1193                 /* Update dimensions */
1194                 p_vout->i_changes |= VOUT_SIZE_CHANGE;
1195                 p_vout->p_sys->p_win->i_width = xevent.xconfigure.width;
1196                 p_vout->p_sys->p_win->i_height = xevent.xconfigure.height;
1197             }
1198         }
1199         /* Keyboard event */
1200         else if( xevent.type == KeyPress )
1201         {
1202             unsigned int state = xevent.xkey.state;
1203             KeySym x_key_symbol;
1204             char i_key;                                   /* ISO Latin-1 key */
1205
1206             /* We may have keys like F1 trough F12, ESC ... */
1207             x_key_symbol = XKeycodeToKeysym( p_vout->p_sys->p_display,
1208                                              xevent.xkey.keycode, 0 );
1209             val.i_int = ConvertKey( (int)x_key_symbol );
1210
1211             xevent.xkey.state &= ~ShiftMask;
1212             xevent.xkey.state &= ~ControlMask;
1213             xevent.xkey.state &= ~Mod1Mask;
1214
1215             if( !val.i_int &&
1216                 XLookupString( &xevent.xkey, &i_key, 1, NULL, NULL ) )
1217             {
1218                 /* "Normal Keys"
1219                  * The reason why I use this instead of XK_0 is that
1220                  * with XLookupString, we don't have to care about
1221                  * keymaps. */
1222                 val.i_int = i_key;
1223             }
1224
1225             if( val.i_int )
1226             {
1227                 if( state & ShiftMask )
1228                 {
1229                     val.i_int |= KEY_MODIFIER_SHIFT;
1230                 }
1231                 if( state & ControlMask )
1232                 {
1233                     val.i_int |= KEY_MODIFIER_CTRL;
1234                 }
1235                 if( state & Mod1Mask )
1236                 {
1237                     val.i_int |= KEY_MODIFIER_ALT;
1238                 }
1239                 var_Set( p_vout->p_libvlc, "key-pressed", val );
1240             }
1241         }
1242         /* Mouse click */
1243         else if( xevent.type == ButtonPress )
1244         {
1245             switch( ((XButtonEvent *)&xevent)->button )
1246             {
1247                 case Button1:
1248                     var_Get( p_vout, "mouse-button-down", &val );
1249                     val.i_int |= 1;
1250                     var_Set( p_vout, "mouse-button-down", val );
1251
1252                     /* detect double-clicks */
1253                     if( ( ((XButtonEvent *)&xevent)->time -
1254                           p_vout->p_sys->i_time_button_last_pressed ) < 300 )
1255                     {
1256                         p_vout->i_changes |= VOUT_FULLSCREEN_CHANGE;
1257                     }
1258
1259                     p_vout->p_sys->i_time_button_last_pressed =
1260                         ((XButtonEvent *)&xevent)->time;
1261                     break;
1262                 case Button2:
1263                     var_Get( p_vout, "mouse-button-down", &val );
1264                     val.i_int |= 2;
1265                     var_Set( p_vout, "mouse-button-down", val );
1266                     break;
1267
1268                 case Button3:
1269                     var_Get( p_vout, "mouse-button-down", &val );
1270                     val.i_int |= 4;
1271                     var_Set( p_vout, "mouse-button-down", val );
1272                     break;
1273
1274                 case Button4:
1275                     var_Get( p_vout, "mouse-button-down", &val );
1276                     val.i_int |= 8;
1277                     var_Set( p_vout, "mouse-button-down", val );
1278                     break;
1279
1280                 case Button5:
1281                     var_Get( p_vout, "mouse-button-down", &val );
1282                     val.i_int |= 16;
1283                     var_Set( p_vout, "mouse-button-down", val );
1284                     break;
1285             }
1286         }
1287         /* Mouse release */
1288         else if( xevent.type == ButtonRelease )
1289         {
1290             switch( ((XButtonEvent *)&xevent)->button )
1291             {
1292                 case Button1:
1293                     {
1294                         var_Get( p_vout, "mouse-button-down", &val );
1295                         val.i_int &= ~1;
1296                         var_Set( p_vout, "mouse-button-down", val );
1297
1298                         val.b_bool = true;
1299                         var_Set( p_vout, "mouse-clicked", val );
1300
1301                         vlc_value_t val; val.b_bool = false;
1302                         var_Set( p_vout->p_libvlc, "intf-popupmenu", val );
1303                     }
1304                     break;
1305
1306                 case Button2:
1307                     {
1308                         var_Get( p_vout, "mouse-button-down", &val );
1309                         val.i_int &= ~2;
1310                         var_Set( p_vout, "mouse-button-down", val );
1311
1312                         var_Get( p_vout->p_libvlc, "intf-show", &val );
1313                         val.b_bool = !val.b_bool;
1314                         var_Set( p_vout->p_libvlc, "intf-show", val );
1315                     }
1316                     break;
1317
1318                 case Button3:
1319                     {
1320                         intf_thread_t *p_intf;
1321
1322                         var_Get( p_vout, "mouse-button-down", &val );
1323                         val.i_int &= ~4;
1324                         var_Set( p_vout, "mouse-button-down", val );
1325                         p_intf = vlc_object_find( p_vout, VLC_OBJECT_INTF,
1326                                                           FIND_ANYWHERE );
1327                         if( p_intf )
1328                         {
1329                             p_intf->b_menu_change = 1;
1330                             vlc_object_release( p_intf );
1331                         }
1332
1333                         vlc_value_t val; val.b_bool = true;
1334                         var_Set( p_vout->p_libvlc, "intf-popupmenu", val );
1335                     }
1336                     break;
1337
1338                 case Button4:
1339                     var_Get( p_vout, "mouse-button-down", &val );
1340                     val.i_int &= ~8;
1341                     var_Set( p_vout, "mouse-button-down", val );
1342                     break;
1343
1344                 case Button5:
1345                     var_Get( p_vout, "mouse-button-down", &val );
1346                     val.i_int &= ~16;
1347                     var_Set( p_vout, "mouse-button-down", val );
1348                     break;
1349
1350             }
1351         }
1352         /* Mouse move */
1353         else if( xevent.type == MotionNotify )
1354         {
1355             unsigned int i_width, i_height, i_x, i_y;
1356             vlc_value_t val;
1357
1358             /* somewhat different use for vout_PlacePicture:
1359              * here the values are needed to give to mouse coordinates
1360              * in the original picture space */
1361             vout_PlacePicture( p_vout, p_vout->p_sys->p_win->i_width,
1362                                p_vout->p_sys->p_win->i_height,
1363                                &i_x, &i_y, &i_width, &i_height );
1364
1365             /* Compute the x coordinate and check if the value is
1366                in [0,p_vout->fmt_in.i_visible_width] */
1367             val.i_int = ( xevent.xmotion.x - i_x ) *
1368                 p_vout->fmt_in.i_visible_width / i_width +
1369                 p_vout->fmt_in.i_x_offset;
1370
1371             if( (int)(xevent.xmotion.x - i_x) < 0 )
1372                 val.i_int = 0;
1373             else if( (unsigned int)val.i_int > p_vout->fmt_in.i_visible_width )
1374                 val.i_int = p_vout->fmt_in.i_visible_width;
1375
1376             var_Set( p_vout, "mouse-x", val );
1377
1378             /* compute the y coordinate and check if the value is
1379                in [0,p_vout->fmt_in.i_visible_height] */
1380             val.i_int = ( xevent.xmotion.y - i_y ) *
1381                 p_vout->fmt_in.i_visible_height / i_height +
1382                 p_vout->fmt_in.i_y_offset;
1383
1384             if( (int)(xevent.xmotion.y - i_y) < 0 )
1385                 val.i_int = 0;
1386             else if( (unsigned int)val.i_int > p_vout->fmt_in.i_visible_height )
1387                 val.i_int = p_vout->fmt_in.i_visible_height;
1388
1389             var_Set( p_vout, "mouse-y", val );
1390
1391             val.b_bool = true;
1392             var_Set( p_vout, "mouse-moved", val );
1393
1394             p_vout->p_sys->i_time_mouse_last_moved = mdate();
1395             if( ! p_vout->p_sys->b_mouse_pointer_visible )
1396             {
1397                 ToggleCursor( p_vout );
1398             }
1399         }
1400         else if( xevent.type == ReparentNotify /* XXX: why do we get this? */
1401                   || xevent.type == MapNotify
1402                   || xevent.type == UnmapNotify )
1403         {
1404             /* Ignore these events */
1405         }
1406         else /* Other events */
1407         {
1408             msg_Warn( p_vout, "unhandled event %d received", xevent.type );
1409         }
1410     }
1411
1412     /* Handle events for video output sub-window */
1413     while( XCheckWindowEvent( p_vout->p_sys->p_display,
1414                               p_vout->p_sys->p_win->video_window,
1415                               ExposureMask, &xevent ) == True )
1416     {
1417         /* Window exposed (only handled if stream playback is paused) */
1418         if( xevent.type == Expose )
1419         {
1420             if( ((XExposeEvent *)&xevent)->count == 0 )
1421             {
1422                 /* (if this is the last a collection of expose events...) */
1423
1424 #if defined(MODULE_NAME_IS_xvideo)
1425                 x11_window_t *p_win = p_vout->p_sys->p_win;
1426
1427                 /* Paint the colour key if needed */
1428                 if( p_vout->p_sys->b_paint_colourkey &&
1429                     xevent.xexpose.window == p_win->video_window )
1430                 {
1431                     XSetForeground( p_vout->p_sys->p_display,
1432                                     p_win->gc, p_vout->p_sys->i_colourkey );
1433                     XFillRectangle( p_vout->p_sys->p_display,
1434                                     p_win->video_window, p_win->gc, 0, 0,
1435                                     p_win->i_width, p_win->i_height );
1436                 }
1437 #endif
1438
1439 #if 0
1440                 if( p_vout->p_libvlc->p_input_bank->pp_input[0] != NULL )
1441                 {
1442                     if( PAUSE_S == p_vout->p_libvlc->p_input_bank->pp_input[0]
1443                                                    ->stream.control.i_status )
1444                     {
1445                         /* XVideoDisplay( p_vout )*/;
1446                     }
1447                 }
1448 #endif
1449             }
1450         }
1451     }
1452
1453     /* ClientMessage event - only WM_PROTOCOLS with WM_DELETE_WINDOW data
1454      * are handled - according to the man pages, the format is always 32
1455      * in this case */
1456     while( XCheckTypedEvent( p_vout->p_sys->p_display,
1457                              ClientMessage, &xevent ) )
1458     {
1459         if( (xevent.xclient.message_type == p_vout->p_sys->p_win->wm_protocols)
1460                && ((Atom)xevent.xclient.data.l[0]
1461                      == p_vout->p_sys->p_win->wm_delete_window ) )
1462         {
1463             /* the user wants to close the window */
1464             playlist_t * p_playlist = pl_Yield( p_vout );
1465             if( p_playlist != NULL )
1466             {
1467                 playlist_Stop( p_playlist );
1468                 pl_Release( p_playlist );
1469             }
1470         }
1471     }
1472
1473     /*
1474      * Fullscreen Change
1475      */
1476     if ( p_vout->i_changes & VOUT_FULLSCREEN_CHANGE )
1477     {
1478         /* Update the object variable and trigger callback */
1479         var_SetBool( p_vout, "fullscreen", !p_vout->b_fullscreen );
1480
1481         ToggleFullScreen( p_vout );
1482         p_vout->i_changes &= ~VOUT_FULLSCREEN_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     /* Autohide Cursour */
1531     if( mdate() - p_vout->p_sys->i_time_mouse_last_moved >
1532         p_vout->p_sys->i_mouse_hide_timeout )
1533     {
1534         /* Hide the mouse automatically */
1535         if( p_vout->p_sys->b_mouse_pointer_visible )
1536         {
1537             ToggleCursor( p_vout );
1538         }
1539     }
1540
1541 #ifdef MODULE_NAME_IS_xvmc
1542     xvmc_context_reader_unlock( &p_vout->p_sys->xvmc_lock );
1543 #endif
1544
1545 #ifdef HAVE_OSSO
1546     if ( p_vout->p_sys->p_octx != NULL ) {
1547         if ( p_vout->p_sys->i_backlight_on_counter == i_backlight_on_interval ) {
1548             if ( osso_display_blanking_pause( p_vout->p_sys->p_octx ) != OSSO_OK ) {
1549                 msg_Err( p_vout, "Could not disable backlight blanking" );
1550         } else {
1551                 msg_Dbg( p_vout, "Backlight blanking disabled" );
1552             }
1553             p_vout->p_sys->i_backlight_on_counter = 0;
1554         } else {
1555             p_vout->p_sys->i_backlight_on_counter ++;
1556         }
1557     }
1558 #endif
1559
1560     vlc_mutex_unlock( &p_vout->p_sys->lock );
1561     return 0;
1562 }
1563
1564 /*****************************************************************************
1565  * EndVideo: terminate X11 video thread output method
1566  *****************************************************************************
1567  * Destroy the X11 XImages created by Init. It is called at the end of
1568  * the thread, but also each time the window is resized.
1569  *****************************************************************************/
1570 static void EndVideo( vout_thread_t *p_vout )
1571 {
1572     int i_index;
1573
1574     /* Free the direct buffers we allocated */
1575     for( i_index = I_OUTPUTPICTURES ; i_index ; )
1576     {
1577         i_index--;
1578         FreePicture( p_vout, PP_OUTPUTPICTURE[ i_index ] );
1579     }
1580 }
1581
1582 /* following functions are local */
1583
1584 /*****************************************************************************
1585  * CreateWindow: open and set-up X11 main window
1586  *****************************************************************************/
1587 static int CreateWindow( vout_thread_t *p_vout, x11_window_t *p_win )
1588 {
1589     XSizeHints              xsize_hints;
1590     XSetWindowAttributes    xwindow_attributes;
1591     XGCValues               xgcvalues;
1592     XEvent                  xevent;
1593
1594     bool              b_expose = false;
1595     bool              b_configure_notify = false;
1596     bool              b_map_notify = false;
1597     vlc_value_t             val;
1598
1599     /* Prepare window manager hints and properties */
1600     p_win->wm_protocols =
1601              XInternAtom( p_vout->p_sys->p_display, "WM_PROTOCOLS", True );
1602     p_win->wm_delete_window =
1603              XInternAtom( p_vout->p_sys->p_display, "WM_DELETE_WINDOW", True );
1604
1605     /* Never have a 0-pixel-wide window */
1606     xsize_hints.min_width = 2;
1607     xsize_hints.min_height = 1;
1608
1609     /* Prepare window attributes */
1610     xwindow_attributes.backing_store = Always;       /* save the hidden part */
1611     xwindow_attributes.background_pixel = BlackPixel(p_vout->p_sys->p_display,
1612                                                      p_vout->p_sys->i_screen);
1613     xwindow_attributes.event_mask = ExposureMask | StructureNotifyMask;
1614
1615     if( !p_vout->b_fullscreen )
1616     {
1617         void *ptr = vout_RequestWindow( p_vout, &p_win->i_x, &p_win->i_y,
1618                                         &p_win->i_width, &p_win->i_height );
1619         p_win->owner_window = (uintptr_t)ptr;
1620         xsize_hints.base_width  = xsize_hints.width = p_win->i_width;
1621         xsize_hints.base_height = xsize_hints.height = p_win->i_height;
1622         xsize_hints.flags       = PSize | PMinSize;
1623
1624         if( p_win->i_x >=0 || p_win->i_y >= 0 )
1625         {
1626             xsize_hints.x = p_win->i_x;
1627             xsize_hints.y = p_win->i_y;
1628             xsize_hints.flags |= PPosition;
1629         }
1630     }
1631     else
1632     {
1633         /* Fullscreen window size and position */
1634         p_win->owner_window = 0;
1635         p_win->i_x = p_win->i_y = 0;
1636         p_win->i_width =
1637             DisplayWidth( p_vout->p_sys->p_display, p_vout->p_sys->i_screen );
1638         p_win->i_height =
1639             DisplayHeight( p_vout->p_sys->p_display, p_vout->p_sys->i_screen );
1640     }
1641
1642     if( !p_win->owner_window )
1643     {
1644         /* Create the window and set hints - the window must receive
1645          * ConfigureNotify events, and until it is displayed, Expose and
1646          * MapNotify events. */
1647
1648         p_win->base_window =
1649             XCreateWindow( p_vout->p_sys->p_display,
1650                            DefaultRootWindow( p_vout->p_sys->p_display ),
1651                            p_win->i_x, p_win->i_y,
1652                            p_win->i_width, p_win->i_height,
1653                            0,
1654                            0, InputOutput, 0,
1655                            CWBackingStore | CWBackPixel | CWEventMask,
1656                            &xwindow_attributes );
1657
1658         var_Get( p_vout, "video-title", &val );
1659         if( !val.psz_string || !*val.psz_string )
1660         {
1661             XStoreName( p_vout->p_sys->p_display, p_win->base_window,
1662 #ifdef MODULE_NAME_IS_x11
1663                         VOUT_TITLE " (X11 output)"
1664 #elif defined(MODULE_NAME_IS_glx)
1665                         VOUT_TITLE " (GLX output)"
1666 #else
1667                         VOUT_TITLE " (XVideo output)"
1668 #endif
1669               );
1670         }
1671         else
1672         {
1673             XStoreName( p_vout->p_sys->p_display,
1674                         p_win->base_window, val.psz_string );
1675         }
1676         free( val.psz_string );
1677
1678         if( !p_vout->b_fullscreen )
1679         {
1680             const char *argv[] = { "vlc", NULL };
1681
1682             /* Set window manager hints and properties: size hints, command,
1683              * window's name, and accepted protocols */
1684             XSetWMNormalHints( p_vout->p_sys->p_display,
1685                                p_win->base_window, &xsize_hints );
1686             XSetCommand( p_vout->p_sys->p_display, p_win->base_window,
1687                          (char**)argv, 1 );
1688
1689             if( !var_GetBool( p_vout, "video-deco") )
1690             {
1691                 Atom prop;
1692                 mwmhints_t mwmhints;
1693
1694                 mwmhints.flags = MWM_HINTS_DECORATIONS;
1695                 mwmhints.decorations = False;
1696
1697                 prop = XInternAtom( p_vout->p_sys->p_display, "_MOTIF_WM_HINTS",
1698                                     False );
1699
1700                 XChangeProperty( p_vout->p_sys->p_display,
1701                                  p_win->base_window,
1702                                  prop, prop, 32, PropModeReplace,
1703                                  (unsigned char *)&mwmhints,
1704                                  PROP_MWM_HINTS_ELEMENTS );
1705             }
1706         }
1707     }
1708     else
1709     {
1710         Window dummy1;
1711         int dummy2, dummy3;
1712         unsigned int dummy4, dummy5;
1713
1714         /* Select events we are interested in. */
1715         XSelectInput( p_vout->p_sys->p_display, p_win->owner_window,
1716                       StructureNotifyMask );
1717
1718         /* Get the parent window's geometry information */
1719         XGetGeometry( p_vout->p_sys->p_display, p_win->owner_window,
1720                       &dummy1, &dummy2, &dummy3,
1721                       &p_win->i_width,
1722                       &p_win->i_height,
1723                       &dummy4, &dummy5 );
1724
1725         /* We are already configured */
1726         b_configure_notify = true;
1727
1728         /* From man XSelectInput: only one client at a time can select a
1729          * ButtonPress event, so we need to open a new window anyway. */
1730         p_win->base_window =
1731             XCreateWindow( p_vout->p_sys->p_display,
1732                            p_win->owner_window,
1733                            0, 0,
1734                            p_win->i_width, p_win->i_height,
1735                            0,
1736                            0, CopyFromParent, 0,
1737                            CWBackingStore | CWBackPixel | CWEventMask,
1738                            &xwindow_attributes );
1739     }
1740
1741     if( (p_win->wm_protocols == None)        /* use WM_DELETE_WINDOW */
1742         || (p_win->wm_delete_window == None)
1743         || !XSetWMProtocols( p_vout->p_sys->p_display, p_win->base_window,
1744                              &p_win->wm_delete_window, 1 ) )
1745     {
1746         /* WM_DELETE_WINDOW is not supported by window manager */
1747         msg_Warn( p_vout, "missing or bad window manager" );
1748     }
1749
1750     /* Creation of a graphic context that doesn't generate a GraphicsExpose
1751      * event when using functions like XCopyArea */
1752     xgcvalues.graphics_exposures = False;
1753     p_win->gc = XCreateGC( p_vout->p_sys->p_display,
1754                            p_win->base_window,
1755                            GCGraphicsExposures, &xgcvalues );
1756
1757     /* Send orders to server, and wait until window is displayed - three
1758      * events must be received: a MapNotify event, an Expose event allowing
1759      * drawing in the window, and a ConfigureNotify to get the window
1760      * dimensions. Once those events have been received, only
1761      * ConfigureNotify events need to be received. */
1762     XMapWindow( p_vout->p_sys->p_display, p_win->base_window );
1763     do
1764     {
1765         XWindowEvent( p_vout->p_sys->p_display, p_win->base_window,
1766                       SubstructureNotifyMask | StructureNotifyMask |
1767                       ExposureMask, &xevent);
1768         if( (xevent.type == Expose)
1769             && (xevent.xexpose.window == p_win->base_window) )
1770         {
1771             b_expose = true;
1772             /* ConfigureNotify isn't sent if there isn't a window manager.
1773              * Expose should be the last event to be received so it should
1774              * be fine to assume we won't receive it anymore. */
1775             b_configure_notify = true;
1776         }
1777         else if( (xevent.type == MapNotify)
1778                  && (xevent.xmap.window == p_win->base_window) )
1779         {
1780             b_map_notify = true;
1781         }
1782         else if( (xevent.type == ConfigureNotify)
1783                  && (xevent.xconfigure.window == p_win->base_window) )
1784         {
1785             b_configure_notify = true;
1786             p_win->i_width = xevent.xconfigure.width;
1787             p_win->i_height = xevent.xconfigure.height;
1788         }
1789     } while( !( b_expose && b_configure_notify && b_map_notify ) );
1790
1791     XSelectInput( p_vout->p_sys->p_display, p_win->base_window,
1792                   StructureNotifyMask | KeyPressMask |
1793                   ButtonPressMask | ButtonReleaseMask |
1794                   PointerMotionMask );
1795
1796 #ifdef MODULE_NAME_IS_x11
1797     if( XDefaultDepth(p_vout->p_sys->p_display, p_vout->p_sys->i_screen) == 8 )
1798     {
1799         /* Allocate a new palette */
1800         p_vout->p_sys->colormap =
1801             XCreateColormap( p_vout->p_sys->p_display,
1802                              DefaultRootWindow( p_vout->p_sys->p_display ),
1803                              DefaultVisual( p_vout->p_sys->p_display,
1804                                             p_vout->p_sys->i_screen ),
1805                              AllocAll );
1806
1807         xwindow_attributes.colormap = p_vout->p_sys->colormap;
1808         XChangeWindowAttributes( p_vout->p_sys->p_display, p_win->base_window,
1809                                  CWColormap, &xwindow_attributes );
1810     }
1811 #endif
1812
1813     /* Create video output sub-window. */
1814     p_win->video_window =  XCreateSimpleWindow(
1815                                       p_vout->p_sys->p_display,
1816                                       p_win->base_window, 0, 0,
1817                                       p_win->i_width, p_win->i_height,
1818                                       0,
1819                                       BlackPixel( p_vout->p_sys->p_display,
1820                                                   p_vout->p_sys->i_screen ),
1821                                       WhitePixel( p_vout->p_sys->p_display,
1822                                                   p_vout->p_sys->i_screen ) );
1823
1824     XSetWindowBackground( p_vout->p_sys->p_display, p_win->video_window,
1825                           BlackPixel( p_vout->p_sys->p_display,
1826                                       p_vout->p_sys->i_screen ) );
1827
1828     XMapWindow( p_vout->p_sys->p_display, p_win->video_window );
1829     XSelectInput( p_vout->p_sys->p_display, p_win->video_window,
1830                   ExposureMask );
1831
1832     /* make sure the video window will be centered in the next ManageVideo() */
1833     p_vout->i_changes |= VOUT_SIZE_CHANGE;
1834
1835     /* If the cursor was formerly blank than blank it again */
1836     if( !p_vout->p_sys->b_mouse_pointer_visible )
1837     {
1838         ToggleCursor( p_vout );
1839         ToggleCursor( p_vout );
1840     }
1841
1842     /* Do NOT use XFlush here ! */
1843     XSync( p_vout->p_sys->p_display, False );
1844
1845     /* At this stage, the window is open, displayed, and ready to
1846      * receive data */
1847     p_vout->p_sys->p_win = p_win;
1848
1849     return VLC_SUCCESS;
1850 }
1851
1852 /*****************************************************************************
1853  * DestroyWindow: destroy the window
1854  *****************************************************************************
1855  *
1856  *****************************************************************************/
1857 static void DestroyWindow( vout_thread_t *p_vout, x11_window_t *p_win )
1858 {
1859     /* Do NOT use XFlush here ! */
1860     XSync( p_vout->p_sys->p_display, False );
1861
1862     if( p_win->video_window != None )
1863         XDestroyWindow( p_vout->p_sys->p_display, p_win->video_window );
1864
1865     XFreeGC( p_vout->p_sys->p_display, p_win->gc );
1866
1867     XUnmapWindow( p_vout->p_sys->p_display, p_win->base_window );
1868     XDestroyWindow( p_vout->p_sys->p_display, p_win->base_window );
1869
1870     if( p_win->owner_window )
1871         vout_ReleaseWindow( p_vout, (void *)p_win->owner_window );
1872 }
1873
1874 /*****************************************************************************
1875  * NewPicture: allocate a picture
1876  *****************************************************************************
1877  * Returns 0 on success, -1 otherwise
1878  *****************************************************************************/
1879 static int NewPicture( vout_thread_t *p_vout, picture_t *p_pic )
1880 {
1881 #ifndef MODULE_NAME_IS_glx
1882
1883 #if defined(MODULE_NAME_IS_xvideo) || defined(MODULE_NAME_IS_xvmc)
1884     int i_plane;
1885 #endif
1886
1887     /* We know the chroma, allocate a buffer which will be used
1888      * directly by the decoder */
1889     p_pic->p_sys = malloc( sizeof( picture_sys_t ) );
1890
1891     if( p_pic->p_sys == NULL )
1892     {
1893         return -1;
1894     }
1895
1896 #ifdef MODULE_NAME_IS_xvmc
1897     p_pic->p_sys->p_vout = p_vout;
1898     p_pic->p_sys->xvmc_surf = NULL;
1899     p_pic->p_sys->xxmc_data.decoded = 0;
1900     p_pic->p_sys->xxmc_data.proc_xxmc_update_frame = xxmc_do_update_frame;
1901     //    p_pic->p_accel_data = &p_pic->p_sys->xxmc_data;
1902     p_pic->p_sys->nb_display = 0;
1903 #endif
1904
1905     /* Fill in picture_t fields */
1906     vout_InitPicture( VLC_OBJECT(p_vout), p_pic, p_vout->output.i_chroma,
1907                       p_vout->output.i_width, p_vout->output.i_height,
1908                       p_vout->output.i_aspect );
1909
1910 #ifdef HAVE_SYS_SHM_H
1911     if( p_vout->p_sys->i_shm_opcode )
1912     {
1913         /* Create image using XShm extension */
1914         p_pic->p_sys->p_image =
1915             CreateShmImage( p_vout, p_vout->p_sys->p_display,
1916 #   if defined(MODULE_NAME_IS_xvideo) || defined(MODULE_NAME_IS_xvmc)
1917                             p_vout->p_sys->i_xvport,
1918                             VLC2X11_FOURCC(p_vout->output.i_chroma),
1919 #   else
1920                             p_vout->p_sys->p_visual,
1921                             p_vout->p_sys->i_screen_depth,
1922 #   endif
1923                             &p_pic->p_sys->shminfo,
1924                             p_vout->output.i_width, p_vout->output.i_height );
1925     }
1926
1927     if( !p_vout->p_sys->i_shm_opcode || !p_pic->p_sys->p_image )
1928 #endif /* HAVE_SYS_SHM_H */
1929     {
1930         /* Create image without XShm extension */
1931         p_pic->p_sys->p_image =
1932             CreateImage( p_vout, p_vout->p_sys->p_display,
1933 #if defined(MODULE_NAME_IS_xvideo) || defined(MODULE_NAME_IS_xvmc)
1934                          p_vout->p_sys->i_xvport,
1935                          VLC2X11_FOURCC(p_vout->output.i_chroma),
1936                          p_pic->format.i_bits_per_pixel,
1937 #else
1938                          p_vout->p_sys->p_visual,
1939                          p_vout->p_sys->i_screen_depth,
1940                          p_vout->p_sys->i_bytes_per_pixel,
1941 #endif
1942                          p_vout->output.i_width, p_vout->output.i_height );
1943
1944 #ifdef HAVE_SYS_SHM_H
1945         if( p_pic->p_sys->p_image && p_vout->p_sys->i_shm_opcode )
1946         {
1947             msg_Warn( p_vout, "couldn't create SHM image, disabling SHM" );
1948             p_vout->p_sys->i_shm_opcode = 0;
1949         }
1950 #endif /* HAVE_SYS_SHM_H */
1951     }
1952
1953     if( p_pic->p_sys->p_image == NULL )
1954     {
1955         free( p_pic->p_sys );
1956         return -1;
1957     }
1958
1959     switch( p_vout->output.i_chroma )
1960     {
1961 #if defined(MODULE_NAME_IS_xvideo) || defined(MODULE_NAME_IS_xvmc)
1962         case VLC_FOURCC('I','4','2','0'):
1963         case VLC_FOURCC('Y','V','1','2'):
1964         case VLC_FOURCC('Y','2','1','1'):
1965         case VLC_FOURCC('Y','U','Y','2'):
1966         case VLC_FOURCC('U','Y','V','Y'):
1967         case VLC_FOURCC('R','V','1','5'):
1968         case VLC_FOURCC('R','V','1','6'):
1969         case VLC_FOURCC('R','V','2','4'): /* Fixme: pixel pitch == 4 ? */
1970         case VLC_FOURCC('R','V','3','2'):
1971
1972             for( i_plane = 0; i_plane < p_pic->p_sys->p_image->num_planes;
1973                  i_plane++ )
1974             {
1975                 p_pic->p[i_plane].p_pixels = (uint8_t*)p_pic->p_sys->p_image->data
1976                     + p_pic->p_sys->p_image->offsets[i_plane];
1977                 p_pic->p[i_plane].i_pitch =
1978                     p_pic->p_sys->p_image->pitches[i_plane];
1979             }
1980             if( p_vout->output.i_chroma == VLC_FOURCC('Y','V','1','2') )
1981             {
1982                 /* U and V inverted compared to I420
1983                  * Fixme: this should be handled by the vout core */
1984                 p_pic->U_PIXELS = (uint8_t*)p_pic->p_sys->p_image->data
1985                     + p_pic->p_sys->p_image->offsets[2];
1986                 p_pic->V_PIXELS = (uint8_t*)p_pic->p_sys->p_image->data
1987                     + p_pic->p_sys->p_image->offsets[1];
1988             }
1989
1990             break;
1991
1992 #else
1993         case VLC_FOURCC('R','G','B','2'):
1994         case VLC_FOURCC('R','V','1','6'):
1995         case VLC_FOURCC('R','V','1','5'):
1996         case VLC_FOURCC('R','V','2','4'):
1997         case VLC_FOURCC('R','V','3','2'):
1998
1999             p_pic->p->i_lines = p_pic->p_sys->p_image->height;
2000             p_pic->p->i_visible_lines = p_pic->p_sys->p_image->height;
2001             p_pic->p->p_pixels = (uint8_t*)p_pic->p_sys->p_image->data
2002                                   + p_pic->p_sys->p_image->xoffset;
2003             p_pic->p->i_pitch = p_pic->p_sys->p_image->bytes_per_line;
2004
2005             /* p_pic->p->i_pixel_pitch = 4 for RV24 but this should be set
2006              * properly by vout_InitPicture() */
2007             p_pic->p->i_visible_pitch = p_pic->p->i_pixel_pitch
2008                                          * p_pic->p_sys->p_image->width;
2009             break;
2010 #endif
2011
2012         default:
2013             /* Unknown chroma, tell the guy to get lost */
2014             IMAGE_FREE( p_pic->p_sys->p_image );
2015             free( p_pic->p_sys );
2016             msg_Err( p_vout, "never heard of chroma 0x%.8x (%4.4s)",
2017                      p_vout->output.i_chroma, (char*)&p_vout->output.i_chroma );
2018             p_pic->i_planes = 0;
2019             return -1;
2020     }
2021 #else
2022
2023     VLC_UNUSED(p_vout); VLC_UNUSED(p_pic);
2024
2025 #endif /* !MODULE_NAME_IS_glx */
2026
2027     return 0;
2028 }
2029
2030 /*****************************************************************************
2031  * FreePicture: destroy a picture allocated with NewPicture
2032  *****************************************************************************
2033  * Destroy XImage AND associated data. If using Shm, detach shared memory
2034  * segment from server and process, then free it. The XDestroyImage manpage
2035  * says that both the image structure _and_ the data pointed to by the
2036  * image structure are freed, so no need to free p_image->data.
2037  *****************************************************************************/
2038 static void FreePicture( vout_thread_t *p_vout, picture_t *p_pic )
2039 {
2040     /* The order of operations is correct */
2041 #ifdef HAVE_SYS_SHM_H
2042     if( p_vout->p_sys->i_shm_opcode )
2043     {
2044         XShmDetach( p_vout->p_sys->p_display, &p_pic->p_sys->shminfo );
2045         IMAGE_FREE( p_pic->p_sys->p_image );
2046
2047         shmctl( p_pic->p_sys->shminfo.shmid, IPC_RMID, 0 );
2048         if( shmdt( p_pic->p_sys->shminfo.shmaddr ) )
2049         {
2050             msg_Err( p_vout, "cannot detach shared memory (%m)" );
2051         }
2052     }
2053     else
2054 #endif
2055     {
2056         IMAGE_FREE( p_pic->p_sys->p_image );
2057     }
2058
2059 #ifdef MODULE_NAME_IS_xvmc
2060     if( p_pic->p_sys->xvmc_surf != NULL )
2061     {
2062         xxmc_xvmc_free_surface(p_vout , p_pic->p_sys->xvmc_surf);
2063         p_pic->p_sys->xvmc_surf = NULL;
2064     }
2065 #endif
2066
2067     /* Do NOT use XFlush here ! */
2068     XSync( p_vout->p_sys->p_display, False );
2069
2070     free( p_pic->p_sys );
2071 }
2072
2073 /*****************************************************************************
2074  * ToggleFullScreen: Enable or disable full screen mode
2075  *****************************************************************************
2076  * This function will switch between fullscreen and window mode.
2077  *****************************************************************************/
2078 static void ToggleFullScreen ( vout_thread_t *p_vout )
2079 {
2080     Atom prop;
2081     XEvent xevent;
2082     mwmhints_t mwmhints;
2083     XSetWindowAttributes attributes;
2084
2085 #ifdef HAVE_XINERAMA
2086     int i_d1, i_d2;
2087 #endif
2088
2089     p_vout->b_fullscreen = !p_vout->b_fullscreen;
2090
2091     if( p_vout->b_fullscreen )
2092     {
2093         msg_Dbg( p_vout, "entering fullscreen mode" );
2094
2095         p_vout->p_sys->b_altfullscreen =
2096             config_GetInt( p_vout, MODULE_STRING "-altfullscreen" );
2097
2098         XUnmapWindow( p_vout->p_sys->p_display,
2099                       p_vout->p_sys->p_win->base_window );
2100
2101         p_vout->p_sys->p_win = &p_vout->p_sys->fullscreen_window;
2102
2103         CreateWindow( p_vout, p_vout->p_sys->p_win );
2104         XDestroyWindow( p_vout->p_sys->p_display,
2105                         p_vout->p_sys->fullscreen_window.video_window );
2106         XReparentWindow( p_vout->p_sys->p_display,
2107                          p_vout->p_sys->original_window.video_window,
2108                          p_vout->p_sys->fullscreen_window.base_window, 0, 0 );
2109         p_vout->p_sys->fullscreen_window.video_window =
2110             p_vout->p_sys->original_window.video_window;
2111
2112         /* To my knowledge there are two ways to create a borderless window.
2113          * There's the generic way which is to tell x to bypass the window
2114          * manager, but this creates problems with the focus of other
2115          * applications.
2116          * The other way is to use the motif property "_MOTIF_WM_HINTS" which
2117          * luckily seems to be supported by most window managers. */
2118         if( !p_vout->p_sys->b_altfullscreen )
2119         {
2120             mwmhints.flags = MWM_HINTS_DECORATIONS;
2121             mwmhints.decorations = False;
2122
2123             prop = XInternAtom( p_vout->p_sys->p_display, "_MOTIF_WM_HINTS",
2124                                 False );
2125             XChangeProperty( p_vout->p_sys->p_display,
2126                              p_vout->p_sys->p_win->base_window,
2127                              prop, prop, 32, PropModeReplace,
2128                              (unsigned char *)&mwmhints,
2129                              PROP_MWM_HINTS_ELEMENTS );
2130         }
2131         else
2132         {
2133             /* brute force way to remove decorations */
2134             attributes.override_redirect = True;
2135             XChangeWindowAttributes( p_vout->p_sys->p_display,
2136                                      p_vout->p_sys->p_win->base_window,
2137                                      CWOverrideRedirect,
2138                                      &attributes);
2139
2140             /* Make sure the change is effective */
2141             XReparentWindow( p_vout->p_sys->p_display,
2142                              p_vout->p_sys->p_win->base_window,
2143                              DefaultRootWindow( p_vout->p_sys->p_display ),
2144                              0, 0 );
2145         }
2146
2147         if( p_vout->p_sys->b_net_wm_state_fullscreen )
2148         {
2149             XClientMessageEvent event;
2150
2151             memset( &event, 0, sizeof( XClientMessageEvent ) );
2152
2153             event.type = ClientMessage;
2154             event.message_type = p_vout->p_sys->net_wm_state;
2155             event.display = p_vout->p_sys->p_display;
2156             event.window = p_vout->p_sys->p_win->base_window;
2157             event.format = 32;
2158             event.data.l[ 0 ] = 1; /* set property */
2159             event.data.l[ 1 ] = p_vout->p_sys->net_wm_state_fullscreen;
2160
2161             XSendEvent( p_vout->p_sys->p_display,
2162                         DefaultRootWindow( p_vout->p_sys->p_display ),
2163                         False, SubstructureRedirectMask,
2164                         (XEvent*)&event );
2165         }
2166
2167         /* Make sure the change is effective */
2168         XReparentWindow( p_vout->p_sys->p_display,
2169                          p_vout->p_sys->p_win->base_window,
2170                          DefaultRootWindow( p_vout->p_sys->p_display ),
2171                          0, 0 );
2172
2173 #ifdef HAVE_XINERAMA
2174         if( XineramaQueryExtension( p_vout->p_sys->p_display, &i_d1, &i_d2 ) &&
2175             XineramaIsActive( p_vout->p_sys->p_display ) )
2176         {
2177             XineramaScreenInfo *screens;   /* infos for xinerama */
2178             int i_num_screens;
2179
2180             msg_Dbg( p_vout, "using XFree Xinerama extension");
2181
2182 #define SCREEN p_vout->p_sys->p_win->i_screen
2183
2184             /* Get Information about Xinerama (num of screens) */
2185             screens = XineramaQueryScreens( p_vout->p_sys->p_display,
2186                                             &i_num_screens );
2187
2188             SCREEN = config_GetInt( p_vout,
2189                                         MODULE_STRING "-xineramascreen" );
2190
2191             /* just check that user has entered a good value */
2192             if( SCREEN >= i_num_screens || SCREEN < 0 )
2193             {
2194                 msg_Dbg( p_vout, "requested screen number invalid (%d/%d)", SCREEN, i_num_screens );
2195                 SCREEN = 0;
2196             }
2197
2198             /* Get the X/Y upper left corner coordinate of the above screen */
2199             p_vout->p_sys->p_win->i_x = screens[SCREEN].x_org;
2200             p_vout->p_sys->p_win->i_y = screens[SCREEN].y_org;
2201
2202             /* Set the Height/width to the screen resolution */
2203             p_vout->p_sys->p_win->i_width = screens[SCREEN].width;
2204             p_vout->p_sys->p_win->i_height = screens[SCREEN].height;
2205
2206             XFree(screens);
2207
2208 #undef SCREEN
2209
2210         }
2211         else
2212 #endif
2213         {
2214             /* The window wasn't necessarily created at the requested size */
2215             p_vout->p_sys->p_win->i_x = p_vout->p_sys->p_win->i_y = 0;
2216
2217 #ifdef HAVE_XF86VIDMODE
2218             XF86VidModeModeLine mode;
2219             int i_dummy;
2220
2221             if( XF86VidModeGetModeLine( p_vout->p_sys->p_display,
2222                                         p_vout->p_sys->i_screen, &i_dummy,
2223                                         &mode ) )
2224             {
2225                 p_vout->p_sys->p_win->i_width = mode.hdisplay;
2226                 p_vout->p_sys->p_win->i_height = mode.vdisplay;
2227
2228                 /* move cursor to the middle of the window to prevent
2229                  * unwanted display move if the display is smaller than the
2230                  * full desktop */
2231                 XWarpPointer( p_vout->p_sys->p_display, None,
2232                               p_vout->p_sys->p_win->base_window, 0, 0, 0, 0,
2233                               mode.hdisplay / 2 , mode.vdisplay / 2 );
2234                 /* force desktop view to upper left corner */
2235                 XF86VidModeSetViewPort( p_vout->p_sys->p_display,
2236                                         p_vout->p_sys->i_screen, 0, 0 );
2237             }
2238             else
2239 #endif
2240             {
2241                 p_vout->p_sys->p_win->i_width =
2242                     DisplayWidth( p_vout->p_sys->p_display,
2243                                 p_vout->p_sys->i_screen );
2244                 p_vout->p_sys->p_win->i_height =
2245                     DisplayHeight( p_vout->p_sys->p_display,
2246                                 p_vout->p_sys->i_screen );
2247             }
2248
2249         }
2250
2251         XMoveResizeWindow( p_vout->p_sys->p_display,
2252                            p_vout->p_sys->p_win->base_window,
2253                            p_vout->p_sys->p_win->i_x,
2254                            p_vout->p_sys->p_win->i_y,
2255                            p_vout->p_sys->p_win->i_width,
2256                            p_vout->p_sys->p_win->i_height );
2257
2258 #ifdef HAVE_XSP
2259         EnablePixelDoubling( p_vout );
2260 #endif
2261
2262         /* Activate the window (give it the focus) */
2263         XClientMessageEvent event;
2264
2265         memset( &event, 0, sizeof( XClientMessageEvent ) );
2266
2267         event.type = ClientMessage;
2268         event.message_type =
2269            XInternAtom( p_vout->p_sys->p_display, "_NET_ACTIVE_WINDOW", False );
2270         event.display = p_vout->p_sys->p_display;
2271         event.window = p_vout->p_sys->p_win->base_window;
2272         event.format = 32;
2273         event.data.l[ 0 ] = 1; /* source indication (1 = from an application */
2274         event.data.l[ 1 ] = 0; /* timestamp */
2275         event.data.l[ 2 ] = 0; /* requestor's currently active window */
2276         /* XXX: window manager would be more likely to obey if we already have
2277          * an active window (and give it to the event), such as an interface */
2278
2279         XSendEvent( p_vout->p_sys->p_display,
2280                     DefaultRootWindow( p_vout->p_sys->p_display ),
2281                     False, SubstructureRedirectMask,
2282                     (XEvent*)&event );
2283     }
2284     else
2285     {
2286         msg_Dbg( p_vout, "leaving fullscreen mode" );
2287
2288 #ifdef HAVE_XSP
2289         DisablePixelDoubling( p_vout );
2290 #endif
2291
2292         XReparentWindow( p_vout->p_sys->p_display,
2293                          p_vout->p_sys->original_window.video_window,
2294                          p_vout->p_sys->original_window.base_window, 0, 0 );
2295
2296         p_vout->p_sys->fullscreen_window.video_window = None;
2297         DestroyWindow( p_vout, &p_vout->p_sys->fullscreen_window );
2298         p_vout->p_sys->p_win = &p_vout->p_sys->original_window;
2299
2300         XMapWindow( p_vout->p_sys->p_display,
2301                     p_vout->p_sys->p_win->base_window );
2302     }
2303
2304     /* Unfortunately, using XSync() here is not enough to ensure the
2305      * window has already been mapped because the XMapWindow() request
2306      * has not necessarily been sent directly to our window (remember,
2307      * the call is first redirected to the window manager) */
2308     do
2309     {
2310         XWindowEvent( p_vout->p_sys->p_display,
2311                       p_vout->p_sys->p_win->base_window,
2312                       StructureNotifyMask, &xevent );
2313     } while( xevent.type != MapNotify );
2314
2315     /* Be careful, this can generate a BadMatch error if the window is not
2316      * already mapped by the server (see above) */
2317     XSetInputFocus(p_vout->p_sys->p_display,
2318                    p_vout->p_sys->p_win->base_window,
2319                    RevertToParent,
2320                    CurrentTime);
2321
2322     /* signal that the size needs to be updated */
2323     p_vout->i_changes |= VOUT_SIZE_CHANGE;
2324 }
2325
2326 /*****************************************************************************
2327  * EnableXScreenSaver: enable screen saver
2328  *****************************************************************************
2329  * This function enables the screen saver on a display after it has been
2330  * disabled by XDisableScreenSaver.
2331  * FIXME: what happens if multiple vlc sessions are running at the same
2332  *        time ???
2333  *****************************************************************************/
2334 static void EnableXScreenSaver( vout_thread_t *p_vout )
2335 {
2336 #ifdef DPMSINFO_IN_DPMS_H
2337     int dummy;
2338 #endif
2339
2340     if( p_vout->p_sys->i_ss_timeout )
2341     {
2342         XSetScreenSaver( p_vout->p_sys->p_display, p_vout->p_sys->i_ss_timeout,
2343                          p_vout->p_sys->i_ss_interval,
2344                          p_vout->p_sys->i_ss_blanking,
2345                          p_vout->p_sys->i_ss_exposure );
2346     }
2347
2348     /* Restore DPMS settings */
2349 #ifdef DPMSINFO_IN_DPMS_H
2350     if( DPMSQueryExtension( p_vout->p_sys->p_display, &dummy, &dummy ) )
2351     {
2352         if( p_vout->p_sys->b_ss_dpms )
2353         {
2354             DPMSEnable( p_vout->p_sys->p_display );
2355         }
2356     }
2357 #endif
2358 }
2359
2360 /*****************************************************************************
2361  * DisableXScreenSaver: disable screen saver
2362  *****************************************************************************
2363  * See XEnableXScreenSaver
2364  *****************************************************************************/
2365 static void DisableXScreenSaver( vout_thread_t *p_vout )
2366 {
2367 #ifdef DPMSINFO_IN_DPMS_H
2368     int dummy;
2369 #endif
2370
2371     /* Save screen saver information */
2372     XGetScreenSaver( p_vout->p_sys->p_display, &p_vout->p_sys->i_ss_timeout,
2373                      &p_vout->p_sys->i_ss_interval,
2374                      &p_vout->p_sys->i_ss_blanking,
2375                      &p_vout->p_sys->i_ss_exposure );
2376
2377     /* Disable screen saver */
2378     if( p_vout->p_sys->i_ss_timeout )
2379     {
2380         XSetScreenSaver( p_vout->p_sys->p_display, 0,
2381                          p_vout->p_sys->i_ss_interval,
2382                          p_vout->p_sys->i_ss_blanking,
2383                          p_vout->p_sys->i_ss_exposure );
2384     }
2385
2386     /* Disable DPMS */
2387 #ifdef DPMSINFO_IN_DPMS_H
2388     if( DPMSQueryExtension( p_vout->p_sys->p_display, &dummy, &dummy ) )
2389     {
2390         CARD16 unused;
2391         /* Save DPMS current state */
2392         DPMSInfo( p_vout->p_sys->p_display, &unused,
2393                   &p_vout->p_sys->b_ss_dpms );
2394         DPMSDisable( p_vout->p_sys->p_display );
2395    }
2396 #endif
2397 }
2398
2399 /*****************************************************************************
2400  * CreateCursor: create a blank mouse pointer
2401  *****************************************************************************/
2402 static void CreateCursor( vout_thread_t *p_vout )
2403 {
2404     XColor cursor_color;
2405
2406     p_vout->p_sys->cursor_pixmap =
2407         XCreatePixmap( p_vout->p_sys->p_display,
2408                        DefaultRootWindow( p_vout->p_sys->p_display ),
2409                        1, 1, 1 );
2410
2411     XParseColor( p_vout->p_sys->p_display,
2412                  XCreateColormap( p_vout->p_sys->p_display,
2413                                   DefaultRootWindow(
2414                                                     p_vout->p_sys->p_display ),
2415                                   DefaultVisual(
2416                                                 p_vout->p_sys->p_display,
2417                                                 p_vout->p_sys->i_screen ),
2418                                   AllocNone ),
2419                  "black", &cursor_color );
2420
2421     p_vout->p_sys->blank_cursor =
2422         XCreatePixmapCursor( p_vout->p_sys->p_display,
2423                              p_vout->p_sys->cursor_pixmap,
2424                              p_vout->p_sys->cursor_pixmap,
2425                              &cursor_color, &cursor_color, 1, 1 );
2426 }
2427
2428 /*****************************************************************************
2429  * DestroyCursor: destroy the blank mouse pointer
2430  *****************************************************************************/
2431 static void DestroyCursor( vout_thread_t *p_vout )
2432 {
2433     XFreePixmap( p_vout->p_sys->p_display, p_vout->p_sys->cursor_pixmap );
2434 }
2435
2436 /*****************************************************************************
2437  * ToggleCursor: hide or show the mouse pointer
2438  *****************************************************************************
2439  * This function hides the X pointer if it is visible by setting the pointer
2440  * sprite to a blank one. To show it again, we disable the sprite.
2441  *****************************************************************************/
2442 static void ToggleCursor( vout_thread_t *p_vout )
2443 {
2444     if( p_vout->p_sys->b_mouse_pointer_visible )
2445     {
2446         XDefineCursor( p_vout->p_sys->p_display,
2447                        p_vout->p_sys->p_win->base_window,
2448                        p_vout->p_sys->blank_cursor );
2449         p_vout->p_sys->b_mouse_pointer_visible = 0;
2450     }
2451     else
2452     {
2453         XUndefineCursor( p_vout->p_sys->p_display,
2454                          p_vout->p_sys->p_win->base_window );
2455         p_vout->p_sys->b_mouse_pointer_visible = 1;
2456     }
2457 }
2458
2459 #if defined(MODULE_NAME_IS_xvideo) || defined(MODULE_NAME_IS_xvmc)
2460 /*****************************************************************************
2461  * XVideoGetPort: get YUV12 port
2462  *****************************************************************************/
2463 static int XVideoGetPort( vout_thread_t *p_vout,
2464                           vlc_fourcc_t i_chroma, vlc_fourcc_t *pi_newchroma )
2465 {
2466     XvAdaptorInfo *p_adaptor;
2467     unsigned int i;
2468     unsigned int i_adaptor, i_num_adaptors;
2469     int i_requested_adaptor;
2470     int i_selected_port;
2471
2472     switch( XvQueryExtension( p_vout->p_sys->p_display, &i, &i, &i, &i, &i ) )
2473     {
2474         case Success:
2475             break;
2476
2477         case XvBadExtension:
2478             msg_Warn( p_vout, "XvBadExtension" );
2479             return -1;
2480
2481         case XvBadAlloc:
2482             msg_Warn( p_vout, "XvBadAlloc" );
2483             return -1;
2484
2485         default:
2486             msg_Warn( p_vout, "XvQueryExtension failed" );
2487             return -1;
2488     }
2489
2490     switch( XvQueryAdaptors( p_vout->p_sys->p_display,
2491                              DefaultRootWindow( p_vout->p_sys->p_display ),
2492                              &i_num_adaptors, &p_adaptor ) )
2493     {
2494         case Success:
2495             break;
2496
2497         case XvBadExtension:
2498             msg_Warn( p_vout, "XvBadExtension for XvQueryAdaptors" );
2499             return -1;
2500
2501         case XvBadAlloc:
2502             msg_Warn( p_vout, "XvBadAlloc for XvQueryAdaptors" );
2503             return -1;
2504
2505         default:
2506             msg_Warn( p_vout, "XvQueryAdaptors failed" );
2507             return -1;
2508     }
2509
2510     i_selected_port = -1;
2511 #ifdef MODULE_NAME_IS_xvmc
2512     i_requested_adaptor = config_GetInt( p_vout, "xvmc-adaptor" );
2513 #else
2514     i_requested_adaptor = config_GetInt( p_vout, "xvideo-adaptor" );
2515 #endif
2516     for( i_adaptor = 0; i_adaptor < i_num_adaptors; ++i_adaptor )
2517     {
2518         XvImageFormatValues *p_formats;
2519         int i_format, i_num_formats;
2520         int i_port;
2521
2522         /* If we requested an adaptor and it's not this one, we aren't
2523          * interested */
2524         if( i_requested_adaptor != -1 && ((int)i_adaptor != i_requested_adaptor) )
2525         {
2526             continue;
2527         }
2528
2529         /* If the adaptor doesn't have the required properties, skip it */
2530         if( !( p_adaptor[ i_adaptor ].type & XvInputMask ) ||
2531             !( p_adaptor[ i_adaptor ].type & XvImageMask ) )
2532         {
2533             continue;
2534         }
2535
2536         /* Check that adaptor supports our requested format... */
2537         p_formats = XvListImageFormats( p_vout->p_sys->p_display,
2538                                         p_adaptor[i_adaptor].base_id,
2539                                         &i_num_formats );
2540
2541         for( i_format = 0;
2542              i_format < i_num_formats && ( i_selected_port == -1 );
2543              i_format++ )
2544         {
2545             XvAttribute     *p_attr;
2546             int             i_attr, i_num_attributes;
2547             Atom            autopaint = None, colorkey = None;
2548
2549             /* If this is not the format we want, or at least a
2550              * similar one, forget it */
2551             if( !vout_ChromaCmp( p_formats[ i_format ].id, i_chroma ) )
2552             {
2553                 continue;
2554             }
2555
2556             /* Look for the first available port supporting this format */
2557             for( i_port = p_adaptor[i_adaptor].base_id;
2558                  ( i_port < (int)(p_adaptor[i_adaptor].base_id
2559                                    + p_adaptor[i_adaptor].num_ports) )
2560                    && ( i_selected_port == -1 );
2561                  i_port++ )
2562             {
2563                 if( XvGrabPort( p_vout->p_sys->p_display, i_port, CurrentTime )
2564                      == Success )
2565                 {
2566                     i_selected_port = i_port;
2567                     *pi_newchroma = p_formats[ i_format ].id;
2568                 }
2569             }
2570
2571             /* If no free port was found, forget it */
2572             if( i_selected_port == -1 )
2573             {
2574                 continue;
2575             }
2576
2577             /* If we found a port, print information about it */
2578             msg_Dbg( p_vout, "adaptor %i, port %i, format 0x%x (%4.4s) %s",
2579                      i_adaptor, i_selected_port, p_formats[ i_format ].id,
2580                      (char *)&p_formats[ i_format ].id,
2581                      ( p_formats[ i_format ].format == XvPacked ) ?
2582                          "packed" : "planar" );
2583
2584             /* Use XV_AUTOPAINT_COLORKEY if supported, otherwise we will
2585              * manually paint the colour key */
2586             p_attr = XvQueryPortAttributes( p_vout->p_sys->p_display,
2587                                             i_selected_port,
2588                                             &i_num_attributes );
2589
2590             for( i_attr = 0; i_attr < i_num_attributes; i_attr++ )
2591             {
2592                 if( !strcmp( p_attr[i_attr].name, "XV_AUTOPAINT_COLORKEY" ) )
2593                 {
2594                     autopaint = XInternAtom( p_vout->p_sys->p_display,
2595                                              "XV_AUTOPAINT_COLORKEY", False );
2596                     XvSetPortAttribute( p_vout->p_sys->p_display,
2597                                         i_selected_port, autopaint, 1 );
2598                 }
2599                 if( !strcmp( p_attr[i_attr].name, "XV_COLORKEY" ) )
2600                 {
2601                     /* Find out the default colour key */
2602                     colorkey = XInternAtom( p_vout->p_sys->p_display,
2603                                             "XV_COLORKEY", False );
2604                     XvGetPortAttribute( p_vout->p_sys->p_display,
2605                                         i_selected_port, colorkey,
2606                                         &p_vout->p_sys->i_colourkey );
2607                 }
2608             }
2609             p_vout->p_sys->b_paint_colourkey =
2610                 autopaint == None && colorkey != None;
2611
2612             if( p_attr != NULL )
2613             {
2614                 XFree( p_attr );
2615             }
2616         }
2617
2618         if( p_formats != NULL )
2619         {
2620             XFree( p_formats );
2621         }
2622
2623     }
2624
2625     if( i_num_adaptors > 0 )
2626     {
2627         XvFreeAdaptorInfo( p_adaptor );
2628     }
2629
2630     if( i_selected_port == -1 )
2631     {
2632         int i_chroma_tmp = X112VLC_FOURCC( i_chroma );
2633         if( i_requested_adaptor == -1 )
2634         {
2635             msg_Warn( p_vout, "no free XVideo port found for format "
2636                       "0x%.8x (%4.4s)", i_chroma_tmp, (char*)&i_chroma_tmp );
2637         }
2638         else
2639         {
2640             msg_Warn( p_vout, "XVideo adaptor %i does not have a free "
2641                       "XVideo port for format 0x%.8x (%4.4s)",
2642                       i_requested_adaptor, i_chroma_tmp, (char*)&i_chroma_tmp );
2643         }
2644     }
2645
2646     return i_selected_port;
2647 }
2648
2649 /*****************************************************************************
2650  * XVideoReleasePort: release YUV12 port
2651  *****************************************************************************/
2652 static void XVideoReleasePort( vout_thread_t *p_vout, int i_port )
2653 {
2654     XvUngrabPort( p_vout->p_sys->p_display, i_port, CurrentTime );
2655 }
2656 #endif
2657
2658 /*****************************************************************************
2659  * InitDisplay: open and initialize X11 device
2660  *****************************************************************************
2661  * Create a window according to video output given size, and set other
2662  * properties according to the display properties.
2663  *****************************************************************************/
2664 static int InitDisplay( vout_thread_t *p_vout )
2665 {
2666 #ifdef MODULE_NAME_IS_x11
2667     XPixmapFormatValues *       p_formats;                 /* pixmap formats */
2668     XVisualInfo *               p_xvisual;            /* visuals information */
2669     XVisualInfo                 xvisual_template;         /* visual template */
2670     int                         i_count, i;                    /* array size */
2671 #endif
2672
2673 #ifdef HAVE_SYS_SHM_H
2674     p_vout->p_sys->i_shm_opcode = 0;
2675
2676     if( config_GetInt( p_vout, MODULE_STRING "-shm" ) )
2677     {
2678         int major, evt, err;
2679
2680         if( XQueryExtension( p_vout->p_sys->p_display, "MIT-SHM", &major,
2681                              &evt, &err )
2682          && XShmQueryExtension( p_vout->p_sys->p_display ) )
2683             p_vout->p_sys->i_shm_opcode = major;
2684
2685         if( p_vout->p_sys->i_shm_opcode )
2686         {
2687             int major, minor;
2688             Bool pixmaps;
2689
2690             XShmQueryVersion( p_vout->p_sys->p_display, &major, &minor,
2691                               &pixmaps );
2692             msg_Dbg( p_vout, "XShm video extension v%d.%d "
2693                      "(with%s pixmaps, opcode: %d)",
2694                      major, minor, pixmaps ? "" : "out",
2695                      p_vout->p_sys->i_shm_opcode );
2696         }
2697         else
2698             msg_Warn( p_vout, "XShm video extension not available" );
2699     }
2700     else
2701         msg_Dbg( p_vout, "XShm video extension disabled" );
2702 #endif
2703
2704 #ifdef MODULE_NAME_IS_xvideo
2705     /* XXX The brightness and contrast values should be read from environment
2706      * XXX variables... */
2707 #if 0
2708     XVideoSetAttribute( p_vout, "XV_BRIGHTNESS", 0.5 );
2709     XVideoSetAttribute( p_vout, "XV_CONTRAST",   0.5 );
2710 #endif
2711 #endif
2712
2713 #ifdef MODULE_NAME_IS_x11
2714     /* Initialize structure */
2715     p_vout->p_sys->i_screen = DefaultScreen( p_vout->p_sys->p_display );
2716
2717     /* Get screen depth */
2718     p_vout->p_sys->i_screen_depth = XDefaultDepth( p_vout->p_sys->p_display,
2719                                                    p_vout->p_sys->i_screen );
2720     switch( p_vout->p_sys->i_screen_depth )
2721     {
2722     case 8:
2723         /*
2724          * Screen depth is 8bpp. Use PseudoColor visual with private colormap.
2725          */
2726         xvisual_template.screen =   p_vout->p_sys->i_screen;
2727         xvisual_template.class =    DirectColor;
2728         p_xvisual = XGetVisualInfo( p_vout->p_sys->p_display,
2729                                     VisualScreenMask | VisualClassMask,
2730                                     &xvisual_template, &i_count );
2731         if( p_xvisual == NULL )
2732         {
2733             msg_Err( p_vout, "no PseudoColor visual available" );
2734             return VLC_EGENERIC;
2735         }
2736         p_vout->p_sys->i_bytes_per_pixel = 1;
2737         p_vout->output.pf_setpalette = SetPalette;
2738         break;
2739     case 15:
2740     case 16:
2741     case 24:
2742     default:
2743         /*
2744          * Screen depth is higher than 8bpp. TrueColor visual is used.
2745          */
2746         xvisual_template.screen =   p_vout->p_sys->i_screen;
2747         xvisual_template.class =    TrueColor;
2748 /* In some cases, we get a truecolor class adaptor that has a different
2749    color depth. So try to get a real true color one first */
2750         xvisual_template.depth =    p_vout->p_sys->i_screen_depth;
2751
2752         p_xvisual = XGetVisualInfo( p_vout->p_sys->p_display,
2753                                     VisualScreenMask | VisualClassMask |
2754                                     VisualDepthMask,
2755                                     &xvisual_template, &i_count );
2756         if( p_xvisual == NULL )
2757         {
2758             msg_Warn( p_vout, "No screen matching the required color depth" );
2759             p_xvisual = XGetVisualInfo( p_vout->p_sys->p_display,
2760                                     VisualScreenMask | VisualClassMask,
2761                                     &xvisual_template, &i_count );
2762             if( p_xvisual == NULL )
2763             {
2764
2765                 msg_Err( p_vout, "no TrueColor visual available" );
2766                 return VLC_EGENERIC;
2767             }
2768         }
2769
2770         p_vout->output.i_rmask = p_xvisual->red_mask;
2771         p_vout->output.i_gmask = p_xvisual->green_mask;
2772         p_vout->output.i_bmask = p_xvisual->blue_mask;
2773
2774         /* There is no difference yet between 3 and 4 Bpp. The only way
2775          * to find the actual number of bytes per pixel is to list supported
2776          * pixmap formats. */
2777         p_formats = XListPixmapFormats( p_vout->p_sys->p_display, &i_count );
2778         p_vout->p_sys->i_bytes_per_pixel = 0;
2779
2780         for( i = 0; i < i_count; i++ )
2781         {
2782             /* Under XFree4.0, the list contains pixmap formats available
2783              * through all video depths ; so we have to check against current
2784              * depth. */
2785             if( p_formats[i].depth == (int)p_vout->p_sys->i_screen_depth )
2786             {
2787                 if( p_formats[i].bits_per_pixel / 8
2788                         > (int)p_vout->p_sys->i_bytes_per_pixel )
2789                 {
2790                     p_vout->p_sys->i_bytes_per_pixel =
2791                         p_formats[i].bits_per_pixel / 8;
2792                 }
2793             }
2794         }
2795         if( p_formats ) XFree( p_formats );
2796
2797         break;
2798     }
2799     p_vout->p_sys->p_visual = p_xvisual->visual;
2800     XFree( p_xvisual );
2801 #endif
2802
2803     return VLC_SUCCESS;
2804 }
2805
2806 #ifndef MODULE_NAME_IS_glx
2807
2808 #ifdef HAVE_SYS_SHM_H
2809 /*****************************************************************************
2810  * CreateShmImage: create an XImage or XvImage using shared memory extension
2811  *****************************************************************************
2812  * Prepare an XImage or XvImage for display function.
2813  * The order of the operations respects the recommandations of the mit-shm
2814  * document by J.Corbet and K.Packard. Most of the parameters were copied from
2815  * there. See http://ftp.xfree86.org/pub/XFree86/4.0/doc/mit-shm.TXT
2816  *****************************************************************************/
2817 IMAGE_TYPE * CreateShmImage( vout_thread_t *p_vout,
2818                                     Display* p_display, EXTRA_ARGS_SHM,
2819                                     int i_width, int i_height )
2820 {
2821     IMAGE_TYPE *p_image;
2822     Status result;
2823
2824     /* Create XImage / XvImage */
2825 #ifdef MODULE_NAME_IS_xvideo
2826     p_image = XvShmCreateImage( p_display, i_xvport, i_chroma, 0,
2827                                 i_width, i_height, p_shm );
2828 #elif defined(MODULE_NAME_IS_xvmc)
2829     p_image = XvShmCreateImage( p_display, i_xvport, i_chroma, 0,
2830                                 i_width, i_height, p_shm );
2831 #else
2832     p_image = XShmCreateImage( p_display, p_visual, i_depth, ZPixmap, 0,
2833                                p_shm, i_width, i_height );
2834 #endif
2835     if( p_image == NULL )
2836     {
2837         msg_Err( p_vout, "image creation failed" );
2838         return NULL;
2839     }
2840
2841     /* Allocate shared memory segment - 0776 set the access permission
2842      * rights (like umask), they are not yet supported by all X servers */
2843     p_shm->shmid = shmget( IPC_PRIVATE, DATA_SIZE(p_image), IPC_CREAT | 0776 );
2844     if( p_shm->shmid < 0 )
2845     {
2846         msg_Err( p_vout, "cannot allocate shared image data (%m)" );
2847         IMAGE_FREE( p_image );
2848         return NULL;
2849     }
2850
2851     /* Attach shared memory segment to process (read/write) */
2852     p_shm->shmaddr = p_image->data = shmat( p_shm->shmid, 0, 0 );
2853     if(! p_shm->shmaddr )
2854     {
2855         msg_Err( p_vout, "cannot attach shared memory (%m)" );
2856         IMAGE_FREE( p_image );
2857         shmctl( p_shm->shmid, IPC_RMID, 0 );
2858         return NULL;
2859     }
2860
2861     /* Read-only data. We won't be using XShmGetImage */
2862     p_shm->readOnly = True;
2863
2864     /* Attach shared memory segment to X server */
2865     XSynchronize( p_display, True );
2866     i_shm_major = p_vout->p_sys->i_shm_opcode;
2867     result = XShmAttach( p_display, p_shm );
2868     if( result == False || !i_shm_major )
2869     {
2870         msg_Err( p_vout, "cannot attach shared memory to X server" );
2871         IMAGE_FREE( p_image );
2872         shmctl( p_shm->shmid, IPC_RMID, 0 );
2873         shmdt( p_shm->shmaddr );
2874         return NULL;
2875     }
2876     XSynchronize( p_display, False );
2877
2878     /* Send image to X server. This instruction is required, since having
2879      * built a Shm XImage and not using it causes an error on XCloseDisplay,
2880      * and remember NOT to use XFlush ! */
2881     XSync( p_display, False );
2882
2883 #if 0
2884     /* Mark the shm segment to be removed when there are no more
2885      * attachements, so it is automatic on process exit or after shmdt */
2886     shmctl( p_shm->shmid, IPC_RMID, 0 );
2887 #endif
2888
2889     return p_image;
2890 }
2891 #endif
2892
2893 /*****************************************************************************
2894  * CreateImage: create an XImage or XvImage
2895  *****************************************************************************
2896  * Create a simple image used as a buffer.
2897  *****************************************************************************/
2898 static IMAGE_TYPE * CreateImage( vout_thread_t *p_vout,
2899                                  Display *p_display, EXTRA_ARGS,
2900                                  int i_width, int i_height )
2901 {
2902     uint8_t *    p_data;                          /* image data storage zone */
2903     IMAGE_TYPE *p_image;
2904 #ifdef MODULE_NAME_IS_x11
2905     int         i_quantum;                     /* XImage quantum (see below) */
2906     int         i_bytes_per_line;
2907 #endif
2908
2909     /* Allocate memory for image */
2910 #ifdef MODULE_NAME_IS_xvideo
2911     p_data = malloc( i_width * i_height * i_bits_per_pixel / 8 );
2912 #elif defined(MODULE_NAME_IS_x11)
2913     i_bytes_per_line = i_width * i_bytes_per_pixel;
2914     p_data = malloc( i_bytes_per_line * i_height );
2915 #endif
2916     if( !p_data )
2917         return NULL;
2918
2919 #ifdef MODULE_NAME_IS_x11
2920     /* Optimize the quantum of a scanline regarding its size - the quantum is
2921        a diviser of the number of bits between the start of two scanlines. */
2922     if( i_bytes_per_line & 0xf )
2923     {
2924         i_quantum = 0x8;
2925     }
2926     else if( i_bytes_per_line & 0x10 )
2927     {
2928         i_quantum = 0x10;
2929     }
2930     else
2931     {
2932         i_quantum = 0x20;
2933     }
2934 #endif
2935
2936     /* Create XImage. p_data will be automatically freed */
2937 #ifdef MODULE_NAME_IS_xvideo
2938     p_image = XvCreateImage( p_display, i_xvport, i_chroma,
2939                              (char *)p_data, i_width, i_height );
2940 #elif defined(MODULE_NAME_IS_x11)
2941     p_image = XCreateImage( p_display, p_visual, i_depth, ZPixmap, 0,
2942                             (char *)p_data, i_width, i_height, i_quantum, 0 );
2943 #endif
2944     if( p_image == NULL )
2945     {
2946         msg_Err( p_vout, "XCreateImage() failed" );
2947         free( p_data );
2948         return NULL;
2949     }
2950
2951     return p_image;
2952 }
2953
2954 #endif
2955 /*****************************************************************************
2956  * X11ErrorHandler: replace error handler so we can intercept some of them
2957  *****************************************************************************/
2958 static int X11ErrorHandler( Display * display, XErrorEvent * event )
2959 {
2960     char txt[1024];
2961
2962     XGetErrorText( display, event->error_code, txt, sizeof( txt ) );
2963     fprintf( stderr,
2964              "[????????] x11 video output error: X11 request %u.%u failed "
2965               "with error code %u:\n %s\n",
2966              event->request_code, event->minor_code, event->error_code, txt );
2967
2968     switch( event->request_code )
2969     {
2970     case X_SetInputFocus:
2971         /* Ignore errors on XSetInputFocus()
2972          * (they happen when a window is not yet mapped) */
2973         return 0;
2974     }
2975
2976 #ifdef HAVE_SYS_SHM_H
2977     if( event->request_code == i_shm_major ) /* MIT-SHM */
2978     {
2979         fprintf( stderr,
2980                  "[????????] x11 video output notice:"
2981                  " buggy X11 server claims shared memory\n"
2982                  "[????????] x11 video output notice:"
2983                  " support though it does not work (OpenSSH?)\n" );
2984         return i_shm_major = 0;
2985     }
2986 #endif
2987
2988 #ifndef HAVE_OSSO
2989     XSetErrorHandler(NULL);
2990     return (XSetErrorHandler(X11ErrorHandler))( display, event );
2991 #else
2992     /* Work-around Maemo Xvideo bug */
2993     return 0;
2994 #endif
2995 }
2996
2997 #ifdef MODULE_NAME_IS_x11
2998 /*****************************************************************************
2999  * SetPalette: sets an 8 bpp palette
3000  *****************************************************************************
3001  * This function sets the palette given as an argument. It does not return
3002  * anything, but could later send information on which colors it was unable
3003  * to set.
3004  *****************************************************************************/
3005 static void SetPalette( vout_thread_t *p_vout,
3006                         uint16_t *red, uint16_t *green, uint16_t *blue )
3007 {
3008     int i;
3009     XColor p_colors[255];
3010
3011     /* allocate palette */
3012     for( i = 0; i < 255; i++ )
3013     {
3014         /* kludge: colors are indexed reversely because color 255 seems
3015          * to be reserved for black even if we try to set it to white */
3016         p_colors[ i ].pixel = 255 - i;
3017         p_colors[ i ].pad   = 0;
3018         p_colors[ i ].flags = DoRed | DoGreen | DoBlue;
3019         p_colors[ i ].red   = red[ 255 - i ];
3020         p_colors[ i ].blue  = blue[ 255 - i ];
3021         p_colors[ i ].green = green[ 255 - i ];
3022     }
3023
3024     XStoreColors( p_vout->p_sys->p_display,
3025                   p_vout->p_sys->colormap, p_colors, 255 );
3026 }
3027 #endif
3028
3029 /*****************************************************************************
3030  * Control: control facility for the vout
3031  *****************************************************************************/
3032 static int Control( vout_thread_t *p_vout, int i_query, va_list args )
3033 {
3034     bool b_arg;
3035     unsigned int i_width, i_height;
3036     unsigned int *pi_width, *pi_height;
3037     Drawable d = 0;
3038
3039     switch( i_query )
3040     {
3041         case VOUT_GET_SIZE:
3042             if( p_vout->p_sys->p_win->owner_window )
3043                 return vout_ControlWindow( p_vout,
3044                     (void *)p_vout->p_sys->p_win->owner_window, i_query, args);
3045
3046             pi_width  = va_arg( args, unsigned int * );
3047             pi_height = va_arg( args, unsigned int * );
3048
3049             vlc_mutex_lock( &p_vout->p_sys->lock );
3050             *pi_width  = p_vout->p_sys->p_win->i_width;
3051             *pi_height = p_vout->p_sys->p_win->i_height;
3052             vlc_mutex_unlock( &p_vout->p_sys->lock );
3053             return VLC_SUCCESS;
3054
3055         case VOUT_SET_SIZE:
3056             if( p_vout->p_sys->p_win->owner_window )
3057                 return vout_ControlWindow( p_vout,
3058                     (void *)p_vout->p_sys->p_win->owner_window, i_query, args);
3059
3060             vlc_mutex_lock( &p_vout->p_sys->lock );
3061
3062             i_width  = va_arg( args, unsigned int );
3063             i_height = va_arg( args, unsigned int );
3064             if( !i_width ) i_width = p_vout->i_window_width;
3065             if( !i_height ) i_height = p_vout->i_window_height;
3066
3067 #ifdef MODULE_NAME_IS_xvmc
3068             xvmc_context_reader_lock( &p_vout->p_sys->xvmc_lock );
3069 #endif
3070             /* Update dimensions */
3071             XResizeWindow( p_vout->p_sys->p_display,
3072                            p_vout->p_sys->p_win->base_window,
3073                            i_width, i_height );
3074 #ifdef MODULE_NAME_IS_xvmc
3075             xvmc_context_reader_unlock( &p_vout->p_sys->xvmc_lock );
3076 #endif
3077             vlc_mutex_unlock( &p_vout->p_sys->lock );
3078             return VLC_SUCCESS;
3079
3080        case VOUT_CLOSE:
3081             vlc_mutex_lock( &p_vout->p_sys->lock );
3082             XUnmapWindow( p_vout->p_sys->p_display,
3083                           p_vout->p_sys->original_window.base_window );
3084             vlc_mutex_unlock( &p_vout->p_sys->lock );
3085             /* Fall through */
3086
3087        case VOUT_REPARENT:
3088             vlc_mutex_lock( &p_vout->p_sys->lock );
3089             if( i_query == VOUT_REPARENT ) d = (Drawable)va_arg( args, int );
3090             if( !d )
3091             {
3092 #ifdef MODULE_NAME_IS_xvmc
3093             xvmc_context_reader_lock( &p_vout->p_sys->xvmc_lock );
3094 #endif
3095             XReparentWindow( p_vout->p_sys->p_display,
3096                              p_vout->p_sys->original_window.base_window,
3097                              DefaultRootWindow( p_vout->p_sys->p_display ),
3098                              0, 0 );
3099             }
3100             else
3101             XReparentWindow( p_vout->p_sys->p_display,
3102                              p_vout->p_sys->original_window.base_window,
3103                              d, 0, 0);
3104             XSync( p_vout->p_sys->p_display, False );
3105             p_vout->p_sys->original_window.owner_window = 0;
3106 #ifdef MODULE_NAME_IS_xvmc
3107             xvmc_context_reader_unlock( &p_vout->p_sys->xvmc_lock );
3108 #endif
3109             vlc_mutex_unlock( &p_vout->p_sys->lock );
3110             return vout_vaControlDefault( p_vout, i_query, args );
3111
3112         case VOUT_SET_STAY_ON_TOP:
3113             if( p_vout->p_sys->p_win->owner_window )
3114                 return vout_ControlWindow( p_vout,
3115                     (void *)p_vout->p_sys->p_win->owner_window, i_query, args);
3116
3117             b_arg = (bool) va_arg( args, int );
3118             vlc_mutex_lock( &p_vout->p_sys->lock );
3119 #ifdef MODULE_NAME_IS_xvmc
3120             xvmc_context_reader_lock( &p_vout->p_sys->xvmc_lock );
3121 #endif
3122             WindowOnTop( p_vout, b_arg );
3123 #ifdef MODULE_NAME_IS_xvmc
3124             xvmc_context_reader_unlock( &p_vout->p_sys->xvmc_lock );
3125 #endif
3126             vlc_mutex_unlock( &p_vout->p_sys->lock );
3127             return VLC_SUCCESS;
3128
3129        default:
3130             return vout_vaControlDefault( p_vout, i_query, args );
3131     }
3132 }
3133
3134 /*****************************************************************************
3135  * TestNetWMSupport: tests for Extended Window Manager Hints support
3136  *****************************************************************************/
3137 static void TestNetWMSupport( vout_thread_t *p_vout )
3138 {
3139     int i_ret, i_format;
3140     unsigned long i, i_items, i_bytesafter;
3141     Atom net_wm_supported;
3142     union { Atom *p_atom; unsigned char *p_char; } p_args;
3143
3144     p_args.p_atom = NULL;
3145
3146     p_vout->p_sys->b_net_wm_state_fullscreen =
3147     p_vout->p_sys->b_net_wm_state_above =
3148     p_vout->p_sys->b_net_wm_state_below =
3149     p_vout->p_sys->b_net_wm_state_stays_on_top =
3150         false;
3151
3152     net_wm_supported =
3153         XInternAtom( p_vout->p_sys->p_display, "_NET_SUPPORTED", False );
3154
3155     i_ret = XGetWindowProperty( p_vout->p_sys->p_display,
3156                                 DefaultRootWindow( p_vout->p_sys->p_display ),
3157                                 net_wm_supported,
3158                                 0, 16384, False, AnyPropertyType,
3159                                 &net_wm_supported,
3160                                 &i_format, &i_items, &i_bytesafter,
3161                                 (unsigned char **)&p_args );
3162
3163     if( i_ret != Success || i_items == 0 ) return;
3164
3165     msg_Dbg( p_vout, "Window manager supports NetWM" );
3166
3167     p_vout->p_sys->net_wm_state =
3168         XInternAtom( p_vout->p_sys->p_display, "_NET_WM_STATE", False );
3169     p_vout->p_sys->net_wm_state_fullscreen =
3170         XInternAtom( p_vout->p_sys->p_display, "_NET_WM_STATE_FULLSCREEN",
3171                      False );
3172     p_vout->p_sys->net_wm_state_above =
3173         XInternAtom( p_vout->p_sys->p_display, "_NET_WM_STATE_ABOVE", False );
3174     p_vout->p_sys->net_wm_state_below =
3175         XInternAtom( p_vout->p_sys->p_display, "_NET_WM_STATE_BELOW", False );
3176     p_vout->p_sys->net_wm_state_stays_on_top =
3177         XInternAtom( p_vout->p_sys->p_display, "_NET_WM_STATE_STAYS_ON_TOP",
3178                      False );
3179
3180     for( i = 0; i < i_items; i++ )
3181     {
3182         if( p_args.p_atom[i] == p_vout->p_sys->net_wm_state_fullscreen )
3183         {
3184             msg_Dbg( p_vout,
3185                      "Window manager supports _NET_WM_STATE_FULLSCREEN" );
3186             p_vout->p_sys->b_net_wm_state_fullscreen = true;
3187         }
3188         else if( p_args.p_atom[i] == p_vout->p_sys->net_wm_state_above )
3189         {
3190             msg_Dbg( p_vout, "Window manager supports _NET_WM_STATE_ABOVE" );
3191             p_vout->p_sys->b_net_wm_state_above = true;
3192         }
3193         else if( p_args.p_atom[i] == p_vout->p_sys->net_wm_state_below )
3194         {
3195             msg_Dbg( p_vout, "Window manager supports _NET_WM_STATE_BELOW" );
3196             p_vout->p_sys->b_net_wm_state_below = true;
3197         }
3198         else if( p_args.p_atom[i] == p_vout->p_sys->net_wm_state_stays_on_top )
3199         {
3200             msg_Dbg( p_vout,
3201                      "Window manager supports _NET_WM_STATE_STAYS_ON_TOP" );
3202             p_vout->p_sys->b_net_wm_state_stays_on_top = true;
3203         }
3204     }
3205
3206     XFree( p_args.p_atom );
3207 }
3208
3209 /*****************************************************************************
3210  * Key events handling
3211  *****************************************************************************/
3212 static struct
3213 {
3214     int i_x11key;
3215     int i_vlckey;
3216
3217 } x11keys_to_vlckeys[] =
3218 {
3219     { XK_F1, KEY_F1 }, { XK_F2, KEY_F2 }, { XK_F3, KEY_F3 }, { XK_F4, KEY_F4 },
3220     { XK_F5, KEY_F5 }, { XK_F6, KEY_F6 }, { XK_F7, KEY_F7 }, { XK_F8, KEY_F8 },
3221     { XK_F9, KEY_F9 }, { XK_F10, KEY_F10 }, { XK_F11, KEY_F11 },
3222     { XK_F12, KEY_F12 },
3223
3224     { XK_Return, KEY_ENTER },
3225     { XK_KP_Enter, KEY_ENTER },
3226     { XK_space, KEY_SPACE },
3227     { XK_Escape, KEY_ESC },
3228
3229     { XK_Menu, KEY_MENU },
3230     { XK_Left, KEY_LEFT },
3231     { XK_Right, KEY_RIGHT },
3232     { XK_Up, KEY_UP },
3233     { XK_Down, KEY_DOWN },
3234
3235     { XK_Home, KEY_HOME },
3236     { XK_End, KEY_END },
3237     { XK_Page_Up, KEY_PAGEUP },
3238     { XK_Page_Down, KEY_PAGEDOWN },
3239
3240     { XK_Insert, KEY_INSERT },
3241     { XK_Delete, KEY_DELETE },
3242     { XF86XK_AudioNext, KEY_MEDIA_NEXT_TRACK},
3243     { XF86XK_AudioPrev, KEY_MEDIA_PREV_TRACK},
3244     { XF86XK_AudioMute, KEY_VOLUME_MUTE },
3245     { XF86XK_AudioLowerVolume, KEY_VOLUME_DOWN },
3246     { XF86XK_AudioRaiseVolume, KEY_VOLUME_UP },
3247     { XF86XK_AudioPlay, KEY_MEDIA_PLAY_PAUSE },
3248     { XF86XK_AudioPause, KEY_MEDIA_PLAY_PAUSE },
3249
3250     { 0, 0 }
3251 };
3252
3253 static int ConvertKey( int i_key )
3254 {
3255     int i;
3256
3257     for( i = 0; x11keys_to_vlckeys[i].i_x11key != 0; i++ )
3258     {
3259         if( x11keys_to_vlckeys[i].i_x11key == i_key )
3260         {
3261             return x11keys_to_vlckeys[i].i_vlckey;
3262         }
3263     }
3264
3265     return 0;
3266 }
3267
3268 /*****************************************************************************
3269  * WindowOnTop: Switches the "always on top" state of the video window.
3270  *****************************************************************************/
3271 static int WindowOnTop( vout_thread_t *p_vout, bool b_on_top )
3272 {
3273     if( p_vout->p_sys->b_net_wm_state_stays_on_top )
3274     {
3275         XClientMessageEvent event;
3276
3277         memset( &event, 0, sizeof( XClientMessageEvent ) );
3278
3279         event.type = ClientMessage;
3280         event.message_type = p_vout->p_sys->net_wm_state;
3281         event.display = p_vout->p_sys->p_display;
3282         event.window = p_vout->p_sys->p_win->base_window;
3283         event.format = 32;
3284         event.data.l[ 0 ] = b_on_top; /* set property */
3285         event.data.l[ 1 ] = p_vout->p_sys->net_wm_state_stays_on_top;
3286
3287         XSendEvent( p_vout->p_sys->p_display,
3288                     DefaultRootWindow( p_vout->p_sys->p_display ),
3289                     False, SubstructureRedirectMask,
3290                     (XEvent*)&event );
3291     }
3292
3293     /* use _NET_WM_STATE_ABOVE if window manager
3294      * doesn't handle _NET_WM_STATE_STAYS_ON_TOP */
3295     else if( p_vout->p_sys->b_net_wm_state_above )
3296     {
3297         XClientMessageEvent event;
3298
3299         memset( &event, 0, sizeof( XClientMessageEvent ) );
3300
3301         event.type = ClientMessage;
3302         event.message_type = p_vout->p_sys->net_wm_state;
3303         event.display = p_vout->p_sys->p_display;
3304         event.window = p_vout->p_sys->p_win->base_window;
3305         event.format = 32;
3306         event.data.l[ 0 ] = b_on_top; /* set property */
3307         event.data.l[ 1 ] = p_vout->p_sys->net_wm_state_above;
3308
3309         XSendEvent( p_vout->p_sys->p_display,
3310                     DefaultRootWindow( p_vout->p_sys->p_display ),
3311                     False, SubstructureRedirectMask,
3312                     (XEvent*)&event );
3313     }
3314
3315     return VLC_SUCCESS;
3316 }