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 #include <vlc/vlc.h>
  31 #include <vlc_interface.h>
  32 #include <vlc_playlist.h>
  33 #include <vlc_vout.h>
  34 #include <vlc_keys.h>
  35
  36 #include <errno.h>                                                 /* ENOMEM */
  37
  38 #ifdef HAVE_MACHINE_PARAM_H
  39     /* BSD */
  40 #   include <machine/param.h>
  41 #   include <sys/types.h>                                  /* typedef ushort */
  42 #   include <sys/ipc.h>
  43 #endif
  44
  45 #ifndef WIN32
  46 #   include <netinet/in.h>                            /* BSD: struct in_addr */
  47 #endif
  48
  49 #ifdef HAVE_XSP
  50 #include <X11/extensions/Xsp.h>
  51 #endif
  52
  53 #ifdef HAVE_SYS_SHM_H
  54 #   include <sys/shm.h>                                /* shmget(), shmctl() */
  55 #endif
  56
  57 #include <X11/Xlib.h>
  58 #include <X11/Xproto.h>
  59 #include <X11/Xmd.h>
  60 #include <X11/Xutil.h>
  61 #include <X11/keysym.h>
  62 #include <X11/XF86keysym.h>
  63 #ifdef HAVE_SYS_SHM_H
  64 #   include <X11/extensions/XShm.h>
  65 #endif
  66 #ifdef DPMSINFO_IN_DPMS_H
  67 #   include <X11/extensions/dpms.h>
  68 #endif
  69
  70 #if defined(MODULE_NAME_IS_xvideo) || defined(MODULE_NAME_IS_xvmc)
  71 #   include <X11/extensions/Xv.h>
  72 #   include <X11/extensions/Xvlib.h>
  73 #endif
  74
  75 #ifdef MODULE_NAME_IS_glx
  76 #   include <GL/glx.h>
  77 #endif
  78
  79 #ifdef HAVE_XINERAMA
  80 #   include <X11/extensions/Xinerama.h>
  81 #endif
  82
  83 #ifdef HAVE_X11_EXTENSIONS_XF86VMODE_H
  84 #   include <X11/extensions/xf86vmode.h>
  85 #endif
  86
  87 #ifdef MODULE_NAME_IS_xvmc
  88 #   include <X11/extensions/vldXvMC.h>
  89 #   include "../../codec/xvmc/accel_xvmc.h"
  90 #endif
  91
  92 #include "xcommon.h"
  93
  94 /*****************************************************************************
  95  * Local prototypes
  96  *****************************************************************************/
  97 int  E_(Activate)   ( vlc_object_t * );
  98 void E_(Deactivate) ( vlc_object_t * );
  99
 100 static int  InitVideo      ( vout_thread_t * );
 101 static void EndVideo       ( vout_thread_t * );
 102 static void DisplayVideo   ( vout_thread_t *, picture_t * );
 103 static int  ManageVideo    ( vout_thread_t * );
 104 static int  Control        ( vout_thread_t *, int, va_list );
 105
 106 static int  InitDisplay    ( vout_thread_t * );
 107
 108 static int  CreateWindow   ( vout_thread_t *, x11_window_t * );
 109 static void DestroyWindow  ( vout_thread_t *, x11_window_t * );
 110
 111 static int  NewPicture     ( vout_thread_t *, picture_t * );
 112 static void FreePicture    ( vout_thread_t *, picture_t * );
 113
 114 static IMAGE_TYPE *CreateImage    ( vout_thread_t *,
 115                                     Display *, EXTRA_ARGS, int, int );
 116 #ifdef HAVE_SYS_SHM_H
 117 static IMAGE_TYPE *CreateShmImage ( vout_thread_t *,
 118                                     Display *, EXTRA_ARGS_SHM, int, int );
 119 static int i_shm_major = 0;
 120 #endif
 121
 122 static void ToggleFullScreen      ( vout_thread_t * );
 123
 124 static void EnableXScreenSaver    ( vout_thread_t * );
 125 static void DisableXScreenSaver   ( vout_thread_t * );
 126
 127 static void CreateCursor   ( vout_thread_t * );
 128 static void DestroyCursor  ( vout_thread_t * );
 129 static void ToggleCursor   ( vout_thread_t * );
 130
 131 #if defined(MODULE_NAME_IS_xvideo) || defined(MODULE_NAME_IS_xvmc)
 132 static int  XVideoGetPort    ( vout_thread_t *, vlc_fourcc_t, vlc_fourcc_t * );
 133 static void XVideoReleasePort( vout_thread_t *, int );
 134 #endif
 135
 136 #ifdef MODULE_NAME_IS_x11
 137 static void SetPalette     ( vout_thread_t *,
 138                              uint16_t *, uint16_t *, uint16_t * );
 139 #endif
 140
 141 #ifdef MODULE_NAME_IS_xvmc
 142 static void RenderVideo    ( vout_thread_t *, picture_t * );
 143 static int  xvmc_check_yv12( Display *display, XvPortID port );
 144 static void xvmc_update_XV_DOUBLE_BUFFER( vout_thread_t *p_vout );
 145 #endif
 146
 147 static void TestNetWMSupport( vout_thread_t * );
 148 static int ConvertKey( int );
 149
 150 static int WindowOnTop( vout_thread_t *, vlc_bool_t );
 151
 152 static int X11ErrorHandler( Display *, XErrorEvent * );
 153
 154 #ifdef HAVE_XSP
 155 static void EnablePixelDoubling( vout_thread_t *p_vout );
 156 static void DisablePixelDoubling( vout_thread_t *p_vout );
 157 #endif
 158
 159 #ifdef HAVE_OSSO
 160 static const int i_backlight_on_interval = 300;
 161 #endif
 162
 163
 164
 165 /*****************************************************************************
 166  * Activate: allocate X11 video thread output method
 167  *****************************************************************************
 168  * This function allocate and initialize a X11 vout method. It uses some of the
 169  * vout properties to choose the window size, and change them according to the
 170  * actual properties of the display.
 171  *****************************************************************************/
 172 int E_(Activate) ( vlc_object_t *p_this )
 173 {
 174     vout_thread_t *p_vout = (vout_thread_t *)p_this;
 175     char *        psz_display;
 176     vlc_value_t   val;
 177 #if defined(MODULE_NAME_IS_xvmc)
 178     char *psz_value;
 179 #endif
 180 #if defined(MODULE_NAME_IS_xvideo) || defined(MODULE_NAME_IS_xvmc)
 181     char *       psz_chroma;
 182     vlc_fourcc_t i_chroma = 0;
 183     vlc_bool_t   b_chroma = 0;
 184 #endif
 185
 186     p_vout->pf_init = InitVideo;
 187     p_vout->pf_end = EndVideo;
 188     p_vout->pf_manage = ManageVideo;
 189 #ifdef MODULE_NAME_IS_xvmc
 190     p_vout->pf_render = RenderVideo;
 191 #else
 192     p_vout->pf_render = NULL;
 193 #endif
 194     p_vout->pf_display = DisplayVideo;
 195     p_vout->pf_control = Control;
 196
 197     /* Allocate structure */
 198     p_vout->p_sys = malloc( sizeof( vout_sys_t ) );
 199     if( p_vout->p_sys == NULL )
 200     {
 201         msg_Err( p_vout, "out of memory" );
 202         return VLC_ENOMEM;
 203     }
 204
 205     vlc_mutex_init( p_vout, &p_vout->p_sys->lock );
 206
 207     /* Open display, using the "display" config variable or the DISPLAY
 208      * environment variable */
 209     psz_display = config_GetPsz( p_vout, MODULE_STRING "-display" );
 210
 211     p_vout->p_sys->p_display = XOpenDisplay( psz_display );
 212
 213     if( p_vout->p_sys->p_display == NULL )                         /* error */
 214     {
 215         msg_Err( p_vout, "cannot open display %s",
 216                          XDisplayName( psz_display ) );
 217         free( p_vout->p_sys );
 218         if( psz_display ) free( psz_display );
 219         return VLC_EGENERIC;
 220     }
 221     if( psz_display ) free( psz_display );
 222
 223     /* Replace error handler so we can intercept some non-fatal errors */
 224     XSetErrorHandler( X11ErrorHandler );
 225
 226     /* Get a screen ID matching the XOpenDisplay return value */
 227     p_vout->p_sys->i_screen = DefaultScreen( p_vout->p_sys->p_display );
 228
 229 #if defined(MODULE_NAME_IS_xvideo) || defined(MODULE_NAME_IS_xvmc)
 230     psz_chroma = config_GetPsz( p_vout, "xvideo-chroma" );
 231     if( psz_chroma )
 232     {
 233         if( strlen( psz_chroma ) >= 4 )
 234         {
 235             /* Do not use direct assignment because we are not sure of the
 236              * alignment. */
 237             memcpy(&i_chroma, psz_chroma, 4);
 238             b_chroma = 1;
 239         }
 240
 241         free( psz_chroma );
 242     }
 243
 244     if( b_chroma )
 245     {
 246         msg_Dbg( p_vout, "forcing chroma 0x%.8x (%4.4s)",
 247                  i_chroma, (char*)&i_chroma );
 248     }
 249     else
 250     {
 251         i_chroma = p_vout->render.i_chroma;
 252     }
 253
 254     /* Check that we have access to an XVideo port providing this chroma */
 255     p_vout->p_sys->i_xvport = XVideoGetPort( p_vout, VLC2X11_FOURCC(i_chroma),
 256                                              &p_vout->output.i_chroma );
 257     if( p_vout->p_sys->i_xvport < 0 )
 258     {
 259         /* If a specific chroma format was requested, then we don't try to
 260          * be cleverer than the user. He knew pretty well what he wanted. */
 261         if( b_chroma )
 262         {
 263             XCloseDisplay( p_vout->p_sys->p_display );
 264             free( p_vout->p_sys );
 265             return VLC_EGENERIC;
 266         }
 267
 268         /* It failed, but it's not completely lost ! We try to open an
 269          * XVideo port for an YUY2 picture. We'll need to do an YUV
 270          * conversion, but at least it has got scaling. */
 271         p_vout->p_sys->i_xvport =
 272                         XVideoGetPort( p_vout, X11_FOURCC('Y','U','Y','2'),
 273                                                &p_vout->output.i_chroma );
 274         if( p_vout->p_sys->i_xvport < 0 )
 275         {
 276             /* It failed, but it's not completely lost ! We try to open an
 277              * XVideo port for a simple 16bpp RGB picture. We'll need to do
 278              * an YUV conversion, but at least it has got scaling. */
 279             p_vout->p_sys->i_xvport =
 280                             XVideoGetPort( p_vout, X11_FOURCC('R','V','1','6'),
 281                                                    &p_vout->output.i_chroma );
 282             if( p_vout->p_sys->i_xvport < 0 )
 283             {
 284                 XCloseDisplay( p_vout->p_sys->p_display );
 285                 free( p_vout->p_sys );
 286                 return VLC_EGENERIC;
 287             }
 288         }
 289     }
 290     p_vout->output.i_chroma = X112VLC_FOURCC(p_vout->output.i_chroma);
 291 #elif defined(MODULE_NAME_IS_glx)
 292     {
 293         int i_opcode, i_evt, i_err = 0;
 294         int i_maj, i_min = 0;
 295
 296         /* Check for GLX extension */
 297         if( !XQueryExtension( p_vout->p_sys->p_display, "GLX",
 298                               &i_opcode, &i_evt, &i_err ) )
 299         {
 300             msg_Err( p_this, "GLX extension not supported" );
 301             XCloseDisplay( p_vout->p_sys->p_display );
 302             free( p_vout->p_sys );
 303             return VLC_EGENERIC;
 304         }
 305         if( !glXQueryExtension( p_vout->p_sys->p_display, &i_err, &i_evt ) )
 306         {
 307             msg_Err( p_this, "glXQueryExtension failed" );
 308             XCloseDisplay( p_vout->p_sys->p_display );
 309             free( p_vout->p_sys );
 310             return VLC_EGENERIC;
 311         }
 312
 313         /* Check GLX version */
 314         if (!glXQueryVersion( p_vout->p_sys->p_display, &i_maj, &i_min ) )
 315         {
 316             msg_Err( p_this, "glXQueryVersion failed" );
 317             XCloseDisplay( p_vout->p_sys->p_display );
 318             free( p_vout->p_sys );
 319             return VLC_EGENERIC;
 320         }
 321         if( i_maj <= 0 || ((i_maj == 1) && (i_min < 3)) )
 322         {
 323             p_vout->p_sys->b_glx13 = VLC_FALSE;
 324             msg_Dbg( p_this, "using GLX 1.2 API" );
 325         }
 326         else
 327         {
 328             p_vout->p_sys->b_glx13 = VLC_TRUE;
 329             msg_Dbg( p_this, "using GLX 1.3 API" );
 330         }
 331     }
 332 #endif
 333
 334     /* Create blank cursor (for mouse cursor autohiding) */
 335     p_vout->p_sys->i_time_mouse_last_moved = mdate();
 336     p_vout->p_sys->b_mouse_pointer_visible = 1;
 337     CreateCursor( p_vout );
 338
 339     /* Set main window's size */
 340     p_vout->p_sys->original_window.i_width = p_vout->i_window_width;
 341     p_vout->p_sys->original_window.i_height = p_vout->i_window_height;
 342     var_Create( p_vout, "video-title", VLC_VAR_STRING | VLC_VAR_DOINHERIT );
 343     /* Spawn base window - this window will include the video output window,
 344      * but also command buttons, subtitles and other indicators */
 345     if( CreateWindow( p_vout, &p_vout->p_sys->original_window ) )
 346     {
 347         msg_Err( p_vout, "cannot create X11 window" );
 348         DestroyCursor( p_vout );
 349         XCloseDisplay( p_vout->p_sys->p_display );
 350         free( p_vout->p_sys );
 351         return VLC_EGENERIC;
 352     }
 353
 354     /* Open and initialize device. */
 355     if( InitDisplay( p_vout ) )
 356     {
 357         msg_Err( p_vout, "cannot initialize X11 display" );
 358         DestroyCursor( p_vout );
 359         DestroyWindow( p_vout, &p_vout->p_sys->original_window );
 360         XCloseDisplay( p_vout->p_sys->p_display );
 361         free( p_vout->p_sys );
 362         return VLC_EGENERIC;
 363     }
 364
 365     /* Disable screen saver */
 366     DisableXScreenSaver( p_vout );
 367
 368     /* Misc init */
 369     p_vout->p_sys->b_altfullscreen = 0;
 370     p_vout->p_sys->i_time_button_last_pressed = 0;
 371
 372     TestNetWMSupport( p_vout );
 373
 374 #ifdef MODULE_NAME_IS_xvmc
 375     p_vout->p_sys->p_last_subtitle_save = NULL;
 376     psz_value = config_GetPsz( p_vout, "xvmc-deinterlace-mode" );
 377
 378     /* Look what method was requested */
 379     //var_Create( p_vout, "xvmc-deinterlace-mode", VLC_VAR_STRING );
 380     //var_Change( p_vout, "xvmc-deinterlace-mode", VLC_VAR_INHERITVALUE, &val, NULL );
 381     if( psz_value )
 382     {
 383         if( (strcmp(psz_value, "bob") == 0) ||
 384             (strcmp(psz_value, "blend") == 0) )
 385            p_vout->p_sys->xvmc_deinterlace_method = 2;
 386         else if (strcmp(psz_value, "discard") == 0)
 387            p_vout->p_sys->xvmc_deinterlace_method = 1;
 388         else
 389            p_vout->p_sys->xvmc_deinterlace_method = 0;
 390         free(psz_value );
 391     }
 392     else
 393         p_vout->p_sys->xvmc_deinterlace_method = 0;
 394
 395     /* Look what method was requested */
 396     //var_Create( p_vout, "xvmc-crop-style", VLC_VAR_STRING );
 397     //var_Change( p_vout, "xvmc-crop-style", VLC_VAR_INHERITVALUE, &val, NULL );
 398     psz_value = config_GetPsz( p_vout, "xvmc-crop-style" );
 399
 400     if( psz_value )
 401     {
 402         if( strncmp( psz_value, "eq", 2 ) == 0 )
 403            p_vout->p_sys->xvmc_crop_style = 1;
 404         else if( strncmp( psz_value, "4-16", 4 ) == 0)
 405            p_vout->p_sys->xvmc_crop_style = 2;
 406         else if( strncmp( psz_value, "16-4", 4 ) == 0)
 407            p_vout->p_sys->xvmc_crop_style = 3;
 408         else
 409            p_vout->p_sys->xvmc_crop_style = 0;
 410         free( psz_value );
 411     }
 412     else
 413         p_vout->p_sys->xvmc_crop_style = 0;
 414
 415     msg_Dbg(p_vout, "Deinterlace = %d", p_vout->p_sys->xvmc_deinterlace_method);
 416     msg_Dbg(p_vout, "Crop = %d", p_vout->p_sys->xvmc_crop_style);
 417
 418     if( !checkXvMCCap( p_vout ) )
 419     {
 420         msg_Err( p_vout, "no XVMC capability found" );
 421         E_(Deactivate)( p_vout );
 422         return VLC_EGENERIC;
 423     }
 424     sub_pic.p_sys = NULL;
 425     p_vout->p_sys->last_date = 0;
 426 #endif
 427
 428 #ifdef HAVE_XSP
 429     p_vout->p_sys->i_hw_scale = 1;
 430 #endif
 431
 432 #ifdef HAVE_OSSO
 433     p_vout->p_sys->i_backlight_on_counter = i_backlight_on_interval;
 434     p_vout->p_sys->p_octx = osso_initialize( "vlc", VERSION, 0, NULL );
 435     if ( p_vout->p_sys->p_octx == NULL ) {
 436         msg_Err( p_vout, "Could not get osso context" );
 437     } else {
 438         msg_Dbg( p_vout, "Initialized osso context" );
 439     }
 440 #endif
 441
 442     /* Variable to indicate if the window should be on top of others */
 443     /* Trigger a callback right now */
 444     var_Get( p_vout, "video-on-top", &val );
 445     var_Set( p_vout, "video-on-top", val );
 446
 447     return VLC_SUCCESS;
 448 }
 449
 450 /*****************************************************************************
 451  * Deactivate: destroy X11 video thread output method
 452  *****************************************************************************
 453  * Terminate an output method created by Open
 454  *****************************************************************************/
 455 void E_(Deactivate) ( vlc_object_t *p_this )
 456 {
 457     vout_thread_t *p_vout = (vout_thread_t *)p_this;
 458
 459     /* If the fullscreen window is still open, close it */
 460     if( p_vout->b_fullscreen )
 461     {
 462         ToggleFullScreen( p_vout );
 463     }
 464
 465     /* Restore cursor if it was blanked */
 466     if( !p_vout->p_sys->b_mouse_pointer_visible )
 467     {
 468         ToggleCursor( p_vout );
 469     }
 470
 471 #ifdef MODULE_NAME_IS_x11
 472     /* Destroy colormap */
 473     if( XDefaultDepth(p_vout->p_sys->p_display, p_vout->p_sys->i_screen) == 8 )
 474     {
 475         XFreeColormap( p_vout->p_sys->p_display, p_vout->p_sys->colormap );
 476     }
 477 #elif defined(MODULE_NAME_IS_xvideo)
 478     XVideoReleasePort( p_vout, p_vout->p_sys->i_xvport );
 479 #elif defined(MODULE_NAME_IS_xvmc)
 480     if( p_vout->p_sys->xvmc_cap )
 481     {
 482         xvmc_context_writer_lock( &p_vout->p_sys->xvmc_lock );
 483         xxmc_dispose_context( p_vout );
 484         if( p_vout->p_sys->old_subpic )
 485         {
 486             xxmc_xvmc_free_subpicture( p_vout, p_vout->p_sys->old_subpic );
 487             p_vout->p_sys->old_subpic = NULL;
 488         }
 489         if( p_vout->p_sys->new_subpic )
 490         {
 491             xxmc_xvmc_free_subpicture( p_vout, p_vout->p_sys->new_subpic );
 492             p_vout->p_sys->new_subpic = NULL;
 493         }
 494         free( p_vout->p_sys->xvmc_cap );
 495         xvmc_context_writer_unlock( &p_vout->p_sys->xvmc_lock );
 496     }
 497 #endif
 498
 499 #ifdef HAVE_XSP
 500     DisablePixelDoubling(p_vout);
 501 #endif
 502
 503     DestroyCursor( p_vout );
 504     EnableXScreenSaver( p_vout );
 505     DestroyWindow( p_vout, &p_vout->p_sys->original_window );
 506     XCloseDisplay( p_vout->p_sys->p_display );
 507
 508     /* Destroy structure */
 509     vlc_mutex_destroy( &p_vout->p_sys->lock );
 510 #ifdef MODULE_NAME_IS_xvmc
 511     free_context_lock( &p_vout->p_sys->xvmc_lock );
 512 #endif
 513
 514 #ifdef HAVE_OSSO
 515     if ( p_vout->p_sys->p_octx != NULL ) {
 516         msg_Dbg( p_vout, "Deinitializing osso context" );
 517         osso_deinitialize( p_vout->p_sys->p_octx );
 518     }
 519 #endif
 520
 521     free( p_vout->p_sys );
 522 }
 523
 524 #ifdef MODULE_NAME_IS_xvmc
 525
 526 #define XINE_IMGFMT_YV12 (('2'<<24)|('1'<<16)|('V'<<8)|'Y')
 527
 528 /* called xlocked */
 529 static int xvmc_check_yv12( Display *display, XvPortID port )
 530 {
 531     XvImageFormatValues *formatValues;
 532     int                  formats;
 533     int                  i;
 534
 535     formatValues = XvListImageFormats( display, port, &formats );
 536
 537     for( i = 0; i < formats; i++ )
 538     {
 539         if( ( formatValues[i].id == XINE_IMGFMT_YV12 ) &&
 540             ( !( strncmp( formatValues[i].guid, "YV12", 4 ) ) ) )
 541         {
 542             XFree (formatValues);
 543             return 0;
 544         }
 545     }
 546
 547     XFree (formatValues);
 548     return 1;
 549 }
 550
 551 static void xvmc_sync_surface( vout_thread_t *p_vout, XvMCSurface * srf )
 552 {
 553     XvMCSyncSurface( p_vout->p_sys->p_display, srf );
 554 }
 555
 556 static void xvmc_update_XV_DOUBLE_BUFFER( vout_thread_t *p_vout )
 557 {
 558     Atom         atom;
 559     int          xv_double_buffer;
 560
 561     xv_double_buffer = 1;
 562
 563     XLockDisplay( p_vout->p_sys->p_display );
 564     atom = XInternAtom( p_vout->p_sys->p_display, "XV_DOUBLE_BUFFER", False );
 565 #if 0
 566     XvSetPortAttribute (p_vout->p_sys->p_display, p_vout->p_sys->i_xvport, atom, xv_double_buffer);
 567 #endif
 568     XvMCSetAttribute( p_vout->p_sys->p_display, &p_vout->p_sys->context, atom, xv_double_buffer );
 569     XUnlockDisplay( p_vout->p_sys->p_display );
 570
 571     //xprintf(this->xine, XINE_VERBOSITY_DEBUG,
 572     //    "video_out_xxmc: double buffering mode = %d\n", xv_double_buffer);
 573 }
 574
 575 static void RenderVideo( vout_thread_t *p_vout, picture_t *p_pic )
 576 {
 577     vlc_xxmc_t *xxmc = NULL;
 578
 579     vlc_mutex_lock( &p_vout->p_sys->lock );
 580     xvmc_context_reader_lock( &p_vout->p_sys->xvmc_lock );
 581
 582     xxmc = &p_pic->p_sys->xxmc_data;
 583     if( (!xxmc->decoded ||
 584         !xxmc_xvmc_surface_valid( p_vout, p_pic->p_sys->xvmc_surf )) )
 585     {
 586         vlc_mutex_unlock( &p_vout->p_sys->lock );
 587         xvmc_context_reader_unlock( &p_vout->p_sys->xvmc_lock );
 588         return;
 589     }
 590
 591     vlc_mutex_lock( &p_vout->lastsubtitle_lock );
 592
 593     if (p_vout->p_last_subtitle != NULL)
 594     {
 595         if( p_vout->p_sys->p_last_subtitle_save != p_vout->p_last_subtitle )
 596         {
 597             p_vout->p_sys->new_subpic =
 598                 xxmc_xvmc_alloc_subpicture( p_vout, &p_vout->p_sys->context,
 599                     p_vout->p_sys->xvmc_width,
 600                     p_vout->p_sys->xvmc_height,
 601                     p_vout->p_sys->xvmc_cap[p_vout->p_sys->xvmc_cur_cap].subPicType.id );
 602
 603             if (p_vout->p_sys->new_subpic)
 604             {
 605                 XVMCLOCKDISPLAY( p_vout->p_sys->p_display );
 606                 XvMCClearSubpicture( p_vout->p_sys->p_display,
 607                         p_vout->p_sys->new_subpic,
 608                         0,
 609                         0,
 610                         p_vout->p_sys->xvmc_width,
 611                         p_vout->p_sys->xvmc_height,
 612                         0x00 );
 613                 XVMCUNLOCKDISPLAY( p_vout->p_sys->p_display );
 614                 clear_xx44_palette( &p_vout->p_sys->palette );
 615
 616                 if( sub_pic.p_sys == NULL )
 617                 {
 618                     sub_pic.p_sys = malloc( sizeof( picture_sys_t ) );
 619                     if( sub_pic.p_sys != NULL )
 620                     {
 621                         sub_pic.p_sys->p_vout = p_vout;
 622                         sub_pic.p_sys->xvmc_surf = NULL;
 623                         sub_pic.p_sys->p_image = p_vout->p_sys->subImage;
 624                     }
 625                 }
 626                 sub_pic.p_sys->p_image = p_vout->p_sys->subImage;
 627                 sub_pic.p->p_pixels = sub_pic.p_sys->p_image->data;
 628                 sub_pic.p->i_pitch = p_vout->output.i_width;
 629
 630                 memset( p_vout->p_sys->subImage->data, 0,
 631                         (p_vout->p_sys->subImage->width * p_vout->p_sys->subImage->height) );
 632
 633                 if (p_vout->p_last_subtitle != NULL)
 634                 {
 635                     blend_xx44( p_vout->p_sys->subImage->data,
 636                                 p_vout->p_last_subtitle,
 637                                 p_vout->p_sys->subImage->width,
 638                                 p_vout->p_sys->subImage->height,
 639                                 p_vout->p_sys->subImage->width,
 640                                 &p_vout->p_sys->palette,
 641                                 (p_vout->p_sys->subImage->id == FOURCC_IA44) );
 642                 }
 643
 644                 XVMCLOCKDISPLAY( p_vout->p_sys->p_display );
 645                 XvMCCompositeSubpicture( p_vout->p_sys->p_display,
 646                                          p_vout->p_sys->new_subpic,
 647                                          p_vout->p_sys->subImage,
 648                                          0, /* overlay->x */
 649                                          0, /* overlay->y */
 650                                          p_vout->output.i_width, /* overlay->width, */
 651                                          p_vout->output.i_height, /* overlay->height */
 652                                          0, /* overlay->x */
 653                                          0 ); /*overlay->y */
 654                 XVMCUNLOCKDISPLAY( p_vout->p_sys->p_display );
 655                 if (p_vout->p_sys->old_subpic)
 656                 {
 657                     xxmc_xvmc_free_subpicture( p_vout,
 658                                                p_vout->p_sys->old_subpic);
 659                     p_vout->p_sys->old_subpic = NULL;
 660                 }
 661                 if (p_vout->p_sys->new_subpic)
 662                 {
 663                     p_vout->p_sys->old_subpic = p_vout->p_sys->new_subpic;
 664                     p_vout->p_sys->new_subpic = NULL;
 665                     xx44_to_xvmc_palette( &p_vout->p_sys->palette,
 666                             p_vout->p_sys->xvmc_palette,
 667                             0,
 668                             p_vout->p_sys->old_subpic->num_palette_entries,
 669                             p_vout->p_sys->old_subpic->entry_bytes,
 670                             p_vout->p_sys->old_subpic->component_order );
 671                     XVMCLOCKDISPLAY( p_vout->p_sys->p_display );
 672                     XvMCSetSubpicturePalette( p_vout->p_sys->p_display,
 673                                               p_vout->p_sys->old_subpic,
 674                                               p_vout->p_sys->xvmc_palette );
 675                     XvMCFlushSubpicture( p_vout->p_sys->p_display,
 676                                          p_vout->p_sys->old_subpic);
 677                     XvMCSyncSubpicture( p_vout->p_sys->p_display,
 678                                         p_vout->p_sys->old_subpic );
 679                     XVMCUNLOCKDISPLAY( p_vout->p_sys->p_display );
 680                 }
 681
 682                 XVMCLOCKDISPLAY( p_vout->p_sys->p_display);
 683                 if (p_vout->p_sys->xvmc_backend_subpic )
 684                 {
 685                     XvMCBlendSubpicture( p_vout->p_sys->p_display,
 686                                          p_pic->p_sys->xvmc_surf,
 687                                          p_vout->p_sys->old_subpic,
 688                                          0,
 689                                          0,
 690                                          p_vout->p_sys->xvmc_width,
 691                                          p_vout->p_sys->xvmc_height,
 692                                          0,
 693                                          0,
 694                                          p_vout->p_sys->xvmc_width,
 695                                          p_vout->p_sys->xvmc_height );
 696                 }
 697                 else
 698                 {
 699                     XvMCBlendSubpicture2( p_vout->p_sys->p_display,
 700                                           p_pic->p_sys->xvmc_surf,
 701                                           p_pic->p_sys->xvmc_surf,
 702                                           p_vout->p_sys->old_subpic,
 703                                           0,
 704                                           0,
 705                                           p_vout->p_sys->xvmc_width,
 706                                           p_vout->p_sys->xvmc_height,
 707                                           0,
 708                                           0,
 709                                           p_vout->p_sys->xvmc_width,
 710                                           p_vout->p_sys->xvmc_height );
 711                }
 712                XVMCUNLOCKDISPLAY(p_vout->p_sys->p_display);
 713             }
 714         }
 715         else
 716         {
 717             XVMCLOCKDISPLAY( p_vout->p_sys->p_display );
 718             if( p_vout->p_sys->xvmc_backend_subpic )
 719             {
 720                 XvMCBlendSubpicture( p_vout->p_sys->p_display,
 721                                      p_pic->p_sys->xvmc_surf,
 722                                      p_vout->p_sys->old_subpic,
 723                                      0, 0,
 724                                      p_vout->p_sys->xvmc_width,
 725                                      p_vout->p_sys->xvmc_height,
 726                                      0, 0,
 727                                      p_vout->p_sys->xvmc_width,
 728                                      p_vout->p_sys->xvmc_height );
 729             }
 730             else
 731             {
 732                 XvMCBlendSubpicture2( p_vout->p_sys->p_display,
 733                                       p_pic->p_sys->xvmc_surf,
 734                                       p_pic->p_sys->xvmc_surf,
 735                                       p_vout->p_sys->old_subpic,
 736                                       0, 0,
 737                                       p_vout->p_sys->xvmc_width,
 738                                       p_vout->p_sys->xvmc_height,
 739                                       0, 0,
 740                                       p_vout->p_sys->xvmc_width,
 741                                       p_vout->p_sys->xvmc_height );
 742             }
 743             XVMCUNLOCKDISPLAY( p_vout->p_sys->p_display );
 744         }
 745     }
 746     p_vout->p_sys->p_last_subtitle_save = p_vout->p_last_subtitle;
 747
 748     vlc_mutex_unlock( &p_vout->lastsubtitle_lock );
 749     xvmc_context_reader_unlock( &p_vout->p_sys->xvmc_lock );
 750
 751     vlc_mutex_unlock( &p_vout->p_sys->lock );
 752 }
 753 #endif
 754
 755 #ifdef HAVE_XSP
 756 /*****************************************************************************
 757  * EnablePixelDoubling: Enables pixel doubling
 758  *****************************************************************************
 759  * Checks if the double size image fits in current window, and enables pixel
 760  * doubling accordingly. The i_hw_scale is the integer scaling factor.
 761  *****************************************************************************/
 762 static void EnablePixelDoubling( vout_thread_t *p_vout )
 763 {
 764     int i_hor_scale = ( p_vout->p_sys->p_win->i_width ) / p_vout->render.i_width;
 765     int i_vert_scale =  ( p_vout->p_sys->p_win->i_height ) / p_vout->render.i_height;
 766     if ( ( i_hor_scale > 1 ) && ( i_vert_scale > 1 ) ) {
 767         p_vout->p_sys->i_hw_scale = 2;
 768         msg_Dbg( p_vout, "Enabling pixel doubling, scaling factor %d", p_vout->p_sys->i_hw_scale );
 769         XSPSetPixelDoubling( p_vout->p_sys->p_display, 0, 1 );
 770     }
 771 }
 772
 773 /*****************************************************************************
 774  * DisablePixelDoubling: Disables pixel doubling
 775  *****************************************************************************
 776  * The scaling factor i_hw_scale is reset to the no-scaling value 1.
 777  *****************************************************************************/
 778 static void DisablePixelDoubling( vout_thread_t *p_vout )
 779 {
 780     if ( p_vout->p_sys->i_hw_scale > 1 ) {
 781         msg_Dbg( p_vout, "Disabling pixel doubling" );
 782         XSPSetPixelDoubling( p_vout->p_sys->p_display, 0, 0 );
 783         p_vout->p_sys->i_hw_scale = 1;
 784     }
 785 }
 786 #endif
 787
 788
 789
 790 /*****************************************************************************
 791  * InitVideo: initialize X11 video thread output method
 792  *****************************************************************************
 793  * This function create the XImages needed by the output thread. It is called
 794  * at the beginning of the thread, but also each time the window is resized.
 795  *****************************************************************************/
 796 static int InitVideo( vout_thread_t *p_vout )
 797 {
 798     unsigned int i_index = 0;
 799     picture_t *p_pic;
 800
 801     I_OUTPUTPICTURES = 0;
 802
 803 #if defined(MODULE_NAME_IS_xvideo) || defined(MODULE_NAME_IS_xvmc)
 804     /* Initialize the output structure; we already found an XVideo port,
 805      * and the corresponding chroma we will be using. Since we can
 806      * arbitrary scale, stick to the coordinates and aspect. */
 807     p_vout->output.i_width  = p_vout->render.i_width;
 808     p_vout->output.i_height = p_vout->render.i_height;
 809     p_vout->output.i_aspect = p_vout->render.i_aspect;
 810
 811     p_vout->fmt_out = p_vout->fmt_in;
 812     p_vout->fmt_out.i_chroma = p_vout->output.i_chroma;
 813
 814     switch( p_vout->output.i_chroma )
 815     {
 816         case VLC_FOURCC('R','V','1','6'):
 817 #if defined( WORDS_BIGENDIAN )
 818             p_vout->output.i_rmask = 0xf800;
 819             p_vout->output.i_gmask = 0x07e0;
 820             p_vout->output.i_bmask = 0x001f;
 821 #else
 822             p_vout->output.i_rmask = 0x001f;
 823             p_vout->output.i_gmask = 0x07e0;
 824             p_vout->output.i_bmask = 0xf800;
 825 #endif
 826             break;
 827         case VLC_FOURCC('R','V','1','5'):
 828 #if defined( WORDS_BIGENDIAN )
 829             p_vout->output.i_rmask = 0x7c00;
 830             p_vout->output.i_gmask = 0x03e0;
 831             p_vout->output.i_bmask = 0x001f;
 832 #else
 833             p_vout->output.i_rmask = 0x001f;
 834             p_vout->output.i_gmask = 0x03e0;
 835             p_vout->output.i_bmask = 0x7c00;
 836 #endif
 837             break;
 838     }
 839
 840 #elif defined(MODULE_NAME_IS_x11)
 841     /* Initialize the output structure: RGB with square pixels, whatever
 842      * the input format is, since it's the only format we know */
 843     switch( p_vout->p_sys->i_screen_depth )
 844     {
 845         case 8: /* FIXME: set the palette */
 846             p_vout->output.i_chroma = VLC_FOURCC('R','G','B','2'); break;
 847         case 15:
 848             p_vout->output.i_chroma = VLC_FOURCC('R','V','1','5'); break;
 849         case 16:
 850             p_vout->output.i_chroma = VLC_FOURCC('R','V','1','6'); break;
 851         case 24:
 852         case 32:
 853             p_vout->output.i_chroma = VLC_FOURCC('R','V','3','2'); break;
 854         default:
 855             msg_Err( p_vout, "unknown screen depth %i",
 856                      p_vout->p_sys->i_screen_depth );
 857             return VLC_SUCCESS;
 858     }
 859
 860 #ifdef HAVE_XSP
 861     vout_PlacePicture( p_vout, p_vout->p_sys->p_win->i_width  / p_vout->p_sys->i_hw_scale,
 862                        p_vout->p_sys->p_win->i_height  / p_vout->p_sys->i_hw_scale,
 863                        &i_index, &i_index,
 864                        &p_vout->fmt_out.i_visible_width,
 865                        &p_vout->fmt_out.i_visible_height );
 866 #else
 867     vout_PlacePicture( p_vout, p_vout->p_sys->p_win->i_width,
 868                        p_vout->p_sys->p_win->i_height,
 869                        &i_index, &i_index,
 870                        &p_vout->fmt_out.i_visible_width,
 871                        &p_vout->fmt_out.i_visible_height );
 872 #endif
 873
 874     p_vout->fmt_out.i_chroma = p_vout->output.i_chroma;
 875
 876     p_vout->output.i_width = p_vout->fmt_out.i_width =
 877         p_vout->fmt_out.i_visible_width * p_vout->fmt_in.i_width /
 878         p_vout->fmt_in.i_visible_width;
 879     p_vout->output.i_height = p_vout->fmt_out.i_height =
 880         p_vout->fmt_out.i_visible_height * p_vout->fmt_in.i_height /
 881         p_vout->fmt_in.i_visible_height;
 882     p_vout->fmt_out.i_x_offset =
 883         p_vout->fmt_out.i_visible_width * p_vout->fmt_in.i_x_offset /
 884         p_vout->fmt_in.i_visible_width;
 885     p_vout->fmt_out.i_y_offset =
 886         p_vout->fmt_out.i_visible_height * p_vout->fmt_in.i_y_offset /
 887         p_vout->fmt_in.i_visible_height;
 888
 889     p_vout->fmt_out.i_sar_num = p_vout->fmt_out.i_sar_den = 1;
 890     p_vout->output.i_aspect = p_vout->fmt_out.i_aspect =
 891         p_vout->fmt_out.i_width * VOUT_ASPECT_FACTOR /p_vout->fmt_out.i_height;
 892
 893     msg_Dbg( p_vout, "x11 image size %ix%i (%i,%i,%ix%i)",
 894              p_vout->fmt_out.i_width, p_vout->fmt_out.i_height,
 895              p_vout->fmt_out.i_x_offset, p_vout->fmt_out.i_y_offset,
 896              p_vout->fmt_out.i_visible_width,
 897              p_vout->fmt_out.i_visible_height );
 898 #endif
 899
 900     /* Try to initialize up to MAX_DIRECTBUFFERS direct buffers */
 901     while( I_OUTPUTPICTURES < MAX_DIRECTBUFFERS )
 902     {
 903         p_pic = NULL;
 904
 905         /* Find an empty picture slot */
 906         for( i_index = 0 ; i_index < VOUT_MAX_PICTURES ; i_index++ )
 907         {
 908           if( p_vout->p_picture[ i_index ].i_status == FREE_PICTURE )
 909             {
 910                 p_pic = p_vout->p_picture + i_index;
 911                 break;
 912             }
 913         }
 914
 915         /* Allocate the picture */
 916         if( p_pic == NULL || NewPicture( p_vout, p_pic ) )
 917         {
 918             break;
 919         }
 920
 921         p_pic->i_status = DESTROYED_PICTURE;
 922         p_pic->i_type   = DIRECT_PICTURE;
 923
 924         PP_OUTPUTPICTURE[ I_OUTPUTPICTURES ] = p_pic;
 925
 926         I_OUTPUTPICTURES++;
 927     }
 928
 929     if( p_vout->output.i_chroma == VLC_FOURCC('Y','V','1','2') )
 930     {
 931         /* U and V inverted compared to I420
 932          * Fixme: this should be handled by the vout core */
 933         p_vout->output.i_chroma = VLC_FOURCC('I','4','2','0');
 934         p_vout->fmt_out.i_chroma = VLC_FOURCC('I','4','2','0');
 935     }
 936
 937     return VLC_SUCCESS;
 938 }
 939
 940 /*****************************************************************************
 941  * DisplayVideo: displays previously rendered output
 942  *****************************************************************************
 943  * This function sends the currently rendered image to X11 server.
 944  * (The Xv extension takes care of "double-buffering".)
 945  *****************************************************************************/
 946 static void DisplayVideo( vout_thread_t *p_vout, picture_t *p_pic )
 947 {
 948     unsigned int i_width, i_height, i_x, i_y;
 949
 950     vout_PlacePicture( p_vout, p_vout->p_sys->p_win->i_width,
 951                        p_vout->p_sys->p_win->i_height,
 952                        &i_x, &i_y, &i_width, &i_height );
 953
 954     vlc_mutex_lock( &p_vout->p_sys->lock );
 955
 956 #ifdef MODULE_NAME_IS_xvmc
 957     xvmc_context_reader_lock( &p_vout->p_sys->xvmc_lock );
 958
 959     vlc_xxmc_t *xxmc = &p_picture->p_sys->xxmc_data;
 960     if( !xxmc->decoded ||
 961         !xxmc_xvmc_surface_valid( p_vout, p_picture->p_sys->xvmc_surf ) )
 962     {
 963       msg_Dbg( p_vout, "DisplayVideo decoded=%d\tsurfacevalid=%d",
 964                xxmc->decoded,
 965                xxmc_xvmc_surface_valid( p_vout, p_picture->p_sys->xvmc_surf ) );
 966       vlc_mutex_unlock( &p_vout->p_sys->lock );
 967       xvmc_context_reader_unlock( &p_vout->p_sys->xvmc_lock );
 968       return;
 969     }
 970
 971     src_width = p_vout->output.i_width;
 972     src_height = p_vout->output.i_height;
 973
 974     if( p_vout->p_sys->xvmc_crop_style == 1 )
 975     {
 976         src_x = 20;
 977         src_y = 20;
 978         src_width -= 40;
 979         src_height -= 40;
 980     }
 981     else if( p_vout->p_sys->xvmc_crop_style == 2 )
 982     {
 983         src_x = 20;
 984         src_y = 40;
 985         src_width -= 40;
 986         src_height -= 80;
 987     }
 988     else if( p_vout->p_sys->xvmc_crop_style == 3 )
 989     {
 990         src_x = 40;
 991         src_y = 20;
 992         src_width -= 80;
 993         src_height -= 40;
 994     }
 995     else
 996     {
 997         src_x = 0;
 998         src_y = 0;
 999     }
1000
1001     if( p_vout->p_sys->xvmc_deinterlace_method > 0 )
1002     {   /* BOB DEINTERLACE */
1003         if( (p_picture->p_sys->nb_display == 0) ||
1004             (p_vout->p_sys->xvmc_deinterlace_method == 1) )
1005         {
1006             first_field = (p_picture->b_top_field_first) ?
1007                                 XVMC_BOTTOM_FIELD : XVMC_TOP_FIELD;
1008         }
1009         else
1010         {
1011             first_field = (p_picture->b_top_field_first) ?
1012                                 XVMC_TOP_FIELD : XVMC_BOTTOM_FIELD;
1013         }
1014     }
1015     else
1016     {
1017         first_field = XVMC_FRAME_PICTURE;
1018      }
1019
1020     XVMCLOCKDISPLAY( p_vout->p_sys->p_display );
1021     XvMCFlushSurface( p_vout->p_sys->p_display, p_picture->p_sys->xvmc_surf );
1022     /* XvMCSyncSurface(p_vout->p_sys->p_display, p_picture->p_sys->xvmc_surf); */
1023     XvMCPutSurface( p_vout->p_sys->p_display,
1024                     p_picture->p_sys->xvmc_surf,
1025                     p_vout->p_sys->p_win->video_window,
1026                     src_x,
1027                     src_y,
1028                     src_width,
1029                     src_height,
1030                     0 /*dest_x*/,
1031                     0 /*dest_y*/,
1032                     i_width,
1033                     i_height,
1034                     first_field);
1035
1036     XVMCUNLOCKDISPLAY( p_vout->p_sys->p_display );
1037     if( p_vout->p_sys->xvmc_deinterlace_method == 2 )
1038     {   /* BOB DEINTERLACE */
1039         if( p_picture->p_sys->nb_display == 0 )/* && ((t2-t1) < 15000)) */
1040         {
1041             mtime_t last_date = p_picture->date;
1042
1043             vlc_mutex_lock( &p_vout->picture_lock );
1044             if( !p_vout->p_sys->last_date )
1045             {
1046                 p_picture->date += 20000;
1047             }
1048             else
1049             {
1050                 p_picture->date = ((3 * p_picture->date -
1051                                     p_vout->p_sys->last_date) / 2 );
1052             }
1053             p_vout->p_sys->last_date = last_date;
1054             p_picture->b_force = 1;
1055             p_picture->p_sys->nb_display = 1;
1056             vlc_mutex_unlock( &p_vout->picture_lock );
1057         }
1058         else
1059         {
1060             p_picture->p_sys->nb_display = 0;
1061             p_picture->b_force = 0;
1062         }
1063     }
1064     xvmc_context_reader_unlock( &p_vout->p_sys->xvmc_lock );
1065 #endif
1066
1067 #ifdef HAVE_SYS_SHM_H
1068     if( p_vout->p_sys->i_shm_opcode )
1069     {
1070         /* Display rendered image using shared memory extension */
1071 #   if defined(MODULE_NAME_IS_xvideo) || defined(MODULE_NAME_IS_xvmc)
1072         XvShmPutImage( p_vout->p_sys->p_display, p_vout->p_sys->i_xvport,
1073                        p_vout->p_sys->p_win->video_window,
1074                        p_vout->p_sys->p_win->gc, p_pic->p_sys->p_image,
1075                        p_vout->fmt_out.i_x_offset,
1076                        p_vout->fmt_out.i_y_offset,
1077                        p_vout->fmt_out.i_visible_width,
1078                        p_vout->fmt_out.i_visible_height,
1079                        0 /*dest_x*/, 0 /*dest_y*/, i_width, i_height,
1080                        False /* Don't put True here or you'll waste your CPU */ );
1081 #   else
1082         XShmPutImage( p_vout->p_sys->p_display,
1083                       p_vout->p_sys->p_win->video_window,
1084                       p_vout->p_sys->p_win->gc, p_pic->p_sys->p_image,
1085                       p_vout->fmt_out.i_x_offset,
1086                       p_vout->fmt_out.i_y_offset,
1087                       0 /*dest_x*/, 0 /*dest_y*/,
1088                       p_vout->fmt_out.i_visible_width,
1089                       p_vout->fmt_out.i_visible_height,
1090                       False /* Don't put True here ! */ );
1091 #   endif
1092     }
1093     else
1094 #endif /* HAVE_SYS_SHM_H */
1095     {
1096         /* Use standard XPutImage -- this is gonna be slow ! */
1097 #if defined(MODULE_NAME_IS_xvideo) || defined(MODULE_NAME_IS_xvmc)
1098         XvPutImage( p_vout->p_sys->p_display, p_vout->p_sys->i_xvport,
1099                     p_vout->p_sys->p_win->video_window,
1100                     p_vout->p_sys->p_win->gc, p_pic->p_sys->p_image,
1101                     p_vout->fmt_out.i_x_offset,
1102                     p_vout->fmt_out.i_y_offset,
1103                     p_vout->fmt_out.i_visible_width,
1104                     p_vout->fmt_out.i_visible_height,
1105                     0 /*dest_x*/, 0 /*dest_y*/, i_width, i_height );
1106 #else
1107         XPutImage( p_vout->p_sys->p_display,
1108                    p_vout->p_sys->p_win->video_window,
1109                    p_vout->p_sys->p_win->gc, p_pic->p_sys->p_image,
1110                    p_vout->fmt_out.i_x_offset,
1111                    p_vout->fmt_out.i_y_offset,
1112                    0 /*dest_x*/, 0 /*dest_y*/,
1113                    p_vout->fmt_out.i_visible_width,
1114                    p_vout->fmt_out.i_visible_height );
1115 #endif
1116     }
1117
1118     /* Make sure the command is sent now - do NOT use XFlush !*/
1119     XSync( p_vout->p_sys->p_display, False );
1120
1121     vlc_mutex_unlock( &p_vout->p_sys->lock );
1122 }
1123
1124 /*****************************************************************************
1125  * ManageVideo: handle X11 events
1126  *****************************************************************************
1127  * This function should be called regularly by video output thread. It manages
1128  * X11 events and allows window resizing. It returns a non null value on
1129  * error.
1130  *****************************************************************************/
1131 static int ManageVideo( vout_thread_t *p_vout )
1132 {
1133     XEvent      xevent;                                         /* X11 event */
1134     vlc_value_t val;
1135
1136     vlc_mutex_lock( &p_vout->p_sys->lock );
1137
1138 #ifdef MODULE_NAME_IS_xvmc
1139     xvmc_context_reader_lock( &p_vout->p_sys->xvmc_lock );
1140 #endif
1141
1142     /* Handle events from the owner window */
1143     if( p_vout->p_sys->p_win->owner_window )
1144     {
1145         while( XCheckWindowEvent( p_vout->p_sys->p_display,
1146                                   p_vout->p_sys->p_win->owner_window,
1147                                   StructureNotifyMask, &xevent ) == True )
1148         {
1149             /* ConfigureNotify event: prepare  */
1150             if( xevent.type == ConfigureNotify )
1151             {
1152                 /* Update dimensions */
1153                 XResizeWindow( p_vout->p_sys->p_display,
1154                                p_vout->p_sys->p_win->base_window,
1155                                xevent.xconfigure.width,
1156                                xevent.xconfigure.height );
1157             }
1158         }
1159     }
1160
1161     /* Handle X11 events: ConfigureNotify events are parsed to know if the
1162      * output window's size changed, MapNotify and UnmapNotify to know if the
1163      * window is mapped (and if the display is useful), and ClientMessages
1164      * to intercept window destruction requests */
1165
1166     while( XCheckWindowEvent( p_vout->p_sys->p_display,
1167                               p_vout->p_sys->p_win->base_window,
1168                               StructureNotifyMask | KeyPressMask |
1169                               ButtonPressMask | ButtonReleaseMask |
1170                               PointerMotionMask | Button1MotionMask , &xevent )
1171            == True )
1172     {
1173         /* ConfigureNotify event: prepare  */
1174         if( xevent.type == ConfigureNotify )
1175         {
1176             if( (unsigned int)xevent.xconfigure.width
1177                    != p_vout->p_sys->p_win->i_width
1178               || (unsigned int)xevent.xconfigure.height
1179                     != p_vout->p_sys->p_win->i_height )
1180             {
1181                 /* Update dimensions */
1182                 p_vout->i_changes |= VOUT_SIZE_CHANGE;
1183                 p_vout->p_sys->p_win->i_width = xevent.xconfigure.width;
1184                 p_vout->p_sys->p_win->i_height = xevent.xconfigure.height;
1185             }
1186         }
1187         /* Keyboard event */
1188         else if( xevent.type == KeyPress )
1189         {
1190             unsigned int state = xevent.xkey.state;
1191             KeySym x_key_symbol;
1192             char i_key;                                   /* ISO Latin-1 key */
1193
1194             /* We may have keys like F1 trough F12, ESC ... */
1195             x_key_symbol = XKeycodeToKeysym( p_vout->p_sys->p_display,
1196                                              xevent.xkey.keycode, 0 );
1197             val.i_int = ConvertKey( (int)x_key_symbol );
1198
1199             xevent.xkey.state &= ~ShiftMask;
1200             xevent.xkey.state &= ~ControlMask;
1201             xevent.xkey.state &= ~Mod1Mask;
1202
1203             if( !val.i_int &&
1204                 XLookupString( &xevent.xkey, &i_key, 1, NULL, NULL ) )
1205             {
1206                 /* "Normal Keys"
1207                  * The reason why I use this instead of XK_0 is that
1208                  * with XLookupString, we don't have to care about
1209                  * keymaps. */
1210                 val.i_int = i_key;
1211             }
1212
1213             if( val.i_int )
1214             {
1215                 if( state & ShiftMask )
1216                 {
1217                     val.i_int |= KEY_MODIFIER_SHIFT;
1218                 }
1219                 if( state & ControlMask )
1220                 {
1221                     val.i_int |= KEY_MODIFIER_CTRL;
1222                 }
1223                 if( state & Mod1Mask )
1224                 {
1225                     val.i_int |= KEY_MODIFIER_ALT;
1226                 }
1227                 var_Set( p_vout->p_libvlc, "key-pressed", val );
1228             }
1229         }
1230         /* Mouse click */
1231         else if( xevent.type == ButtonPress )
1232         {
1233             switch( ((XButtonEvent *)&xevent)->button )
1234             {
1235                 case Button1:
1236                     var_Get( p_vout, "mouse-button-down", &val );
1237                     val.i_int |= 1;
1238                     var_Set( p_vout, "mouse-button-down", val );
1239
1240                     /* detect double-clicks */
1241                     if( ( ((XButtonEvent *)&xevent)->time -
1242                           p_vout->p_sys->i_time_button_last_pressed ) < 300 )
1243                     {
1244                         p_vout->i_changes |= VOUT_FULLSCREEN_CHANGE;
1245                     }
1246
1247                     p_vout->p_sys->i_time_button_last_pressed =
1248                         ((XButtonEvent *)&xevent)->time;
1249                     break;
1250                 case Button2:
1251                     var_Get( p_vout, "mouse-button-down", &val );
1252                     val.i_int |= 2;
1253                     var_Set( p_vout, "mouse-button-down", val );
1254                     break;
1255
1256                 case Button3:
1257                     var_Get( p_vout, "mouse-button-down", &val );
1258                     val.i_int |= 4;
1259                     var_Set( p_vout, "mouse-button-down", val );
1260                     break;
1261
1262                 case Button4:
1263                     var_Get( p_vout, "mouse-button-down", &val );
1264                     val.i_int |= 8;
1265                     var_Set( p_vout, "mouse-button-down", val );
1266                     break;
1267
1268                 case Button5:
1269                     var_Get( p_vout, "mouse-button-down", &val );
1270                     val.i_int |= 16;
1271                     var_Set( p_vout, "mouse-button-down", val );
1272                     break;
1273             }
1274         }
1275         /* Mouse release */
1276         else if( xevent.type == ButtonRelease )
1277         {
1278             switch( ((XButtonEvent *)&xevent)->button )
1279             {
1280                 case Button1:
1281                     var_Get( p_vout, "mouse-button-down", &val );
1282                     val.i_int &= ~1;
1283                     var_Set( p_vout, "mouse-button-down", val );
1284
1285                     val.b_bool = VLC_TRUE;
1286                     var_Set( p_vout, "mouse-clicked", val );
1287                     break;
1288
1289                 case Button2:
1290                     {
1291                         playlist_t *p_playlist;
1292
1293                         var_Get( p_vout, "mouse-button-down", &val );
1294                         val.i_int &= ~2;
1295                         var_Set( p_vout, "mouse-button-down", val );
1296
1297                         p_playlist = vlc_object_find( p_vout,
1298                                                       VLC_OBJECT_PLAYLIST,
1299                                                       FIND_ANYWHERE );
1300                         if( p_playlist != NULL )
1301                         {
1302                             vlc_value_t val;
1303                             var_Get( p_playlist, "intf-show", &val );
1304                             val.b_bool = !val.b_bool;
1305                             var_Set( p_playlist, "intf-show", val );
1306                             vlc_object_release( p_playlist );
1307                         }
1308                     }
1309                     break;
1310
1311                 case Button3:
1312                     {
1313                         intf_thread_t *p_intf;
1314                         playlist_t *p_playlist;
1315
1316                         var_Get( p_vout, "mouse-button-down", &val );
1317                         val.i_int &= ~4;
1318                         var_Set( p_vout, "mouse-button-down", val );
1319                         p_intf = vlc_object_find( p_vout, VLC_OBJECT_INTF,
1320                                                           FIND_ANYWHERE );
1321                         if( p_intf )
1322                         {
1323                             p_intf->b_menu_change = 1;
1324                             vlc_object_release( p_intf );
1325                         }
1326
1327                         p_playlist = vlc_object_find( p_vout,
1328                                                       VLC_OBJECT_PLAYLIST,
1329                                                       FIND_ANYWHERE );
1330                         if( p_playlist != NULL )
1331                         {
1332                             vlc_value_t val; val.b_bool = VLC_TRUE;
1333                             var_Set( p_playlist, "intf-popupmenu", val );
1334                             vlc_object_release( p_playlist );
1335                         }
1336                     }
1337                     break;
1338
1339                 case Button4:
1340                     var_Get( p_vout, "mouse-button-down", &val );
1341                     val.i_int &= ~8;
1342                     var_Set( p_vout, "mouse-button-down", val );
1343                     break;
1344
1345                 case Button5:
1346                     var_Get( p_vout, "mouse-button-down", &val );
1347                     val.i_int &= ~16;
1348                     var_Set( p_vout, "mouse-button-down", val );
1349                     break;
1350
1351             }
1352         }
1353         /* Mouse move */
1354         else if( xevent.type == MotionNotify )
1355         {
1356             unsigned int i_width, i_height, i_x, i_y;
1357             vlc_value_t val;
1358
1359             /* somewhat different use for vout_PlacePicture:
1360              * here the values are needed to give to mouse coordinates
1361              * in the original picture space */
1362             vout_PlacePicture( p_vout, p_vout->p_sys->p_win->i_width,
1363                                p_vout->p_sys->p_win->i_height,
1364                                &i_x, &i_y, &i_width, &i_height );
1365
1366             /* Compute the x coordinate and check if the value is
1367                in [0,p_vout->fmt_in.i_visible_width] */
1368             val.i_int = ( xevent.xmotion.x - i_x ) *
1369                 p_vout->fmt_in.i_visible_width / i_width +
1370                 p_vout->fmt_in.i_x_offset;
1371
1372             if( (int)(xevent.xmotion.x - i_x) < 0 )
1373                 val.i_int = 0;
1374             else if( (unsigned int)val.i_int > p_vout->fmt_in.i_visible_width )
1375                 val.i_int = p_vout->fmt_in.i_visible_width;
1376
1377             var_Set( p_vout, "mouse-x", val );
1378
1379             /* compute the y coordinate and check if the value is
1380                in [0,p_vout->fmt_in.i_visible_height] */
1381             val.i_int = ( xevent.xmotion.y - i_y ) *
1382                 p_vout->fmt_in.i_visible_height / i_height +
1383                 p_vout->fmt_in.i_y_offset;
1384
1385             if( (int)(xevent.xmotion.y - i_y) < 0 )
1386                 val.i_int = 0;
1387             else if( (unsigned int)val.i_int > p_vout->fmt_in.i_visible_height )
1388                 val.i_int = p_vout->fmt_in.i_visible_height;
1389
1390             var_Set( p_vout, "mouse-y", val );
1391
1392             val.b_bool = VLC_TRUE;
1393             var_Set( p_vout, "mouse-moved", val );
1394
1395             p_vout->p_sys->i_time_mouse_last_moved = mdate();
1396             if( ! p_vout->p_sys->b_mouse_pointer_visible )
1397             {
1398                 ToggleCursor( p_vout );
1399             }
1400         }
1401         else if( xevent.type == ReparentNotify /* XXX: why do we get this? */
1402                   || xevent.type == MapNotify
1403                   || xevent.type == UnmapNotify )
1404         {
1405             /* Ignore these events */
1406         }
1407         else /* Other events */
1408         {
1409             msg_Warn( p_vout, "unhandled event %d received", xevent.type );
1410         }
1411     }
1412
1413     /* Handle events for video output sub-window */
1414     while( XCheckWindowEvent( p_vout->p_sys->p_display,
1415                               p_vout->p_sys->p_win->video_window,
1416                               ExposureMask, &xevent ) == True )
1417     {
1418         /* Window exposed (only handled if stream playback is paused) */
1419         if( xevent.type == Expose )
1420         {
1421             if( ((XExposeEvent *)&xevent)->count == 0 )
1422             {
1423                 /* (if this is the last a collection of expose events...) */
1424 #if 0
1425                 if( p_vout->p_libvlc->p_input_bank->pp_input[0] != NULL )
1426                 {
1427                     if( PAUSE_S == p_vout->p_libvlc->p_input_bank->pp_input[0]
1428                                                    ->stream.control.i_status )
1429                     {
1430                         /* XVideoDisplay( p_vout )*/;
1431                     }
1432                 }
1433 #endif
1434             }
1435         }
1436     }
1437
1438     /* ClientMessage event - only WM_PROTOCOLS with WM_DELETE_WINDOW data
1439      * are handled - according to the man pages, the format is always 32
1440      * in this case */
1441     while( XCheckTypedEvent( p_vout->p_sys->p_display,
1442                              ClientMessage, &xevent ) )
1443     {
1444         if( (xevent.xclient.message_type == p_vout->p_sys->p_win->wm_protocols)
1445                && ((Atom)xevent.xclient.data.l[0]
1446                      == p_vout->p_sys->p_win->wm_delete_window ) )
1447         {
1448             /* the user wants to close the window */
1449             playlist_t * p_playlist =
1450                 (playlist_t *)vlc_object_find( p_vout, VLC_OBJECT_PLAYLIST,
1451                                                FIND_ANYWHERE );
1452             if( p_playlist != NULL )
1453             {
1454                 playlist_Stop( p_playlist );
1455                 vlc_object_release( p_playlist );
1456             }
1457         }
1458     }
1459
1460     /*
1461      * Fullscreen Change
1462      */
1463     if ( p_vout->i_changes & VOUT_FULLSCREEN_CHANGE )
1464     {
1465         vlc_value_t val_fs, val_ontop;
1466
1467         /* Update the object variable and trigger callback */
1468         val_fs.b_bool = !p_vout->b_fullscreen;
1469
1470         var_Set( p_vout, "fullscreen", val_fs );
1471
1472         /* Disable "always on top" in fullscreen mode */
1473         var_Get( p_vout, "video-on-top", &val_ontop );
1474         if( val_ontop.b_bool )
1475             WindowOnTop( p_vout, val_fs.b_bool );
1476
1477         ToggleFullScreen( p_vout );
1478         p_vout->i_changes &= ~VOUT_FULLSCREEN_CHANGE;
1479     }
1480
1481     if( p_vout->i_changes & VOUT_CROP_CHANGE ||
1482         p_vout->i_changes & VOUT_ASPECT_CHANGE )
1483     {
1484         p_vout->i_changes &= ~VOUT_CROP_CHANGE;
1485         p_vout->i_changes &= ~VOUT_ASPECT_CHANGE;
1486
1487         p_vout->fmt_out.i_x_offset = p_vout->fmt_in.i_x_offset;
1488         p_vout->fmt_out.i_y_offset = p_vout->fmt_in.i_y_offset;
1489         p_vout->fmt_out.i_visible_width = p_vout->fmt_in.i_visible_width;
1490         p_vout->fmt_out.i_visible_height = p_vout->fmt_in.i_visible_height;
1491         p_vout->fmt_out.i_aspect = p_vout->fmt_in.i_aspect;
1492         p_vout->fmt_out.i_sar_num = p_vout->fmt_in.i_sar_num;
1493         p_vout->fmt_out.i_sar_den = p_vout->fmt_in.i_sar_den;
1494         p_vout->output.i_aspect = p_vout->fmt_in.i_aspect;
1495
1496         p_vout->i_changes |= VOUT_SIZE_CHANGE;
1497     }
1498
1499     /*
1500      * Size change
1501      *
1502      * (Needs to be placed after VOUT_FULLSREEN_CHANGE because we can activate
1503      *  the size flag inside the fullscreen routine)
1504      */
1505     if( p_vout->i_changes & VOUT_SIZE_CHANGE )
1506     {
1507         unsigned int i_width, i_height, i_x, i_y;
1508
1509         p_vout->i_changes &= ~VOUT_SIZE_CHANGE;
1510
1511 #ifdef MODULE_NAME_IS_x11
1512         /* We need to signal the vout thread about the size change because it
1513          * is doing the rescaling */
1514         p_vout->i_changes |= VOUT_SIZE_CHANGE;
1515 #endif
1516
1517         vout_PlacePicture( p_vout, p_vout->p_sys->p_win->i_width,
1518                            p_vout->p_sys->p_win->i_height,
1519                            &i_x, &i_y, &i_width, &i_height );
1520
1521         XMoveResizeWindow( p_vout->p_sys->p_display,
1522                            p_vout->p_sys->p_win->video_window,
1523                            i_x, i_y, i_width, i_height );
1524     }
1525
1526     /* Autohide Cursour */
1527     if( mdate() - p_vout->p_sys->i_time_mouse_last_moved > 2000000 )
1528     {
1529         /* Hide the mouse automatically */
1530         if( p_vout->p_sys->b_mouse_pointer_visible )
1531         {
1532             ToggleCursor( p_vout );
1533         }
1534     }
1535
1536 #ifdef MODULE_NAME_IS_xvmc
1537     xvmc_context_reader_unlock( &p_vout->p_sys->xvmc_lock );
1538 #endif
1539
1540 #ifdef HAVE_OSSO
1541     if ( p_vout->p_sys->p_octx != NULL ) {
1542         if ( p_vout->p_sys->i_backlight_on_counter == i_backlight_on_interval ) {
1543             if ( osso_display_blanking_pause( p_vout->p_sys->p_octx ) != OSSO_OK ) {
1544                 msg_Err( p_vout, "Could not disable backlight blanking" );
1545         } else {
1546                 msg_Dbg( p_vout, "Backlight blanking disabled" );
1547             }
1548             p_vout->p_sys->i_backlight_on_counter = 0;
1549         } else {
1550             p_vout->p_sys->i_backlight_on_counter ++;
1551         }
1552     }
1553 #endif
1554
1555     vlc_mutex_unlock( &p_vout->p_sys->lock );
1556     return 0;
1557 }
1558
1559 /*****************************************************************************
1560  * EndVideo: terminate X11 video thread output method
1561  *****************************************************************************
1562  * Destroy the X11 XImages created by Init. It is called at the end of
1563  * the thread, but also each time the window is resized.
1564  *****************************************************************************/
1565 static void EndVideo( vout_thread_t *p_vout )
1566 {
1567     int i_index;
1568
1569     /* Free the direct buffers we allocated */
1570     for( i_index = I_OUTPUTPICTURES ; i_index ; )
1571     {
1572         i_index--;
1573         FreePicture( p_vout, PP_OUTPUTPICTURE[ i_index ] );
1574     }
1575 }
1576
1577 /* following functions are local */
1578
1579 /*****************************************************************************
1580  * CreateWindow: open and set-up X11 main window
1581  *****************************************************************************/
1582 static int CreateWindow( vout_thread_t *p_vout, x11_window_t *p_win )
1583 {
1584     XSizeHints              xsize_hints;
1585     XSetWindowAttributes    xwindow_attributes;
1586     XGCValues               xgcvalues;
1587     XEvent                  xevent;
1588
1589     vlc_bool_t              b_expose = VLC_FALSE;
1590     vlc_bool_t              b_configure_notify = VLC_FALSE;
1591     vlc_bool_t              b_map_notify = VLC_FALSE;
1592     vlc_value_t             val;
1593
1594     /* Prepare window manager hints and properties */
1595     p_win->wm_protocols =
1596              XInternAtom( p_vout->p_sys->p_display, "WM_PROTOCOLS", True );
1597     p_win->wm_delete_window =
1598              XInternAtom( p_vout->p_sys->p_display, "WM_DELETE_WINDOW", True );
1599
1600     /* Never have a 0-pixel-wide window */
1601     xsize_hints.min_width = 2;
1602     xsize_hints.min_height = 1;
1603
1604     /* Prepare window attributes */
1605     xwindow_attributes.backing_store = Always;       /* save the hidden part */
1606     xwindow_attributes.background_pixel = BlackPixel(p_vout->p_sys->p_display,
1607                                                      p_vout->p_sys->i_screen);
1608     xwindow_attributes.event_mask = ExposureMask | StructureNotifyMask;
1609
1610     if( !p_vout->b_fullscreen )
1611     {
1612         p_win->owner_window =
1613             (Window)vout_RequestWindow( p_vout, &p_win->i_x, &p_win->i_y,
1614                                         &p_win->i_width, &p_win->i_height );
1615
1616         xsize_hints.base_width  = xsize_hints.width = p_win->i_width;
1617         xsize_hints.base_height = xsize_hints.height = p_win->i_height;
1618         xsize_hints.flags       = PSize | PMinSize;
1619
1620         if( p_win->i_x >=0 || p_win->i_y >= 0 )
1621         {
1622             xsize_hints.x = p_win->i_x;
1623             xsize_hints.y = p_win->i_y;
1624             xsize_hints.flags |= PPosition;
1625         }
1626     }
1627     else
1628     {
1629         /* Fullscreen window size and position */
1630         p_win->owner_window = 0;
1631         p_win->i_x = p_win->i_y = 0;
1632         p_win->i_width =
1633             DisplayWidth( p_vout->p_sys->p_display, p_vout->p_sys->i_screen );
1634         p_win->i_height =
1635             DisplayHeight( p_vout->p_sys->p_display, p_vout->p_sys->i_screen );
1636     }
1637
1638     if( !p_win->owner_window )
1639     {
1640         /* Create the window and set hints - the window must receive
1641          * ConfigureNotify events, and until it is displayed, Expose and
1642          * MapNotify events. */
1643
1644         p_win->base_window =
1645             XCreateWindow( p_vout->p_sys->p_display,
1646                            DefaultRootWindow( p_vout->p_sys->p_display ),
1647                            p_win->i_x, p_win->i_y,
1648                            p_win->i_width, p_win->i_height,
1649                            0,
1650                            0, InputOutput, 0,
1651                            CWBackingStore | CWBackPixel | CWEventMask,
1652                            &xwindow_attributes );
1653
1654         var_Get( p_vout, "video-title", &val );
1655         if( !val.psz_string || !*val.psz_string )
1656         {
1657             XStoreName( p_vout->p_sys->p_display, p_win->base_window,
1658 #ifdef MODULE_NAME_IS_x11
1659                         VOUT_TITLE " (X11 output)"
1660 #elif defined(MODULE_NAME_IS_glx)
1661                         VOUT_TITLE " (GLX output)"
1662 #else
1663                         VOUT_TITLE " (XVideo output)"
1664 #endif
1665               );
1666         }
1667         else
1668         {
1669             XStoreName( p_vout->p_sys->p_display,
1670                         p_win->base_window, val.psz_string );
1671         }
1672         if( val.psz_string ) free( val.psz_string );
1673
1674         if( !p_vout->b_fullscreen )
1675         {
1676             /* Set window manager hints and properties: size hints, command,
1677              * window's name, and accepted protocols */
1678             XSetWMNormalHints( p_vout->p_sys->p_display,
1679                                p_win->base_window, &xsize_hints );
1680             XSetCommand( p_vout->p_sys->p_display, p_win->base_window,
1681                          p_vout->p_libvlc->ppsz_argv, p_vout->p_libvlc->i_argc );
1682
1683             if( !var_GetBool( p_vout, "video-deco") )
1684             {
1685                 Atom prop;
1686                 mwmhints_t mwmhints;
1687
1688                 mwmhints.flags = MWM_HINTS_DECORATIONS;
1689                 mwmhints.decorations = False;
1690
1691                 prop = XInternAtom( p_vout->p_sys->p_display, "_MOTIF_WM_HINTS",
1692                                     False );
1693
1694                 XChangeProperty( p_vout->p_sys->p_display,
1695                                  p_win->base_window,
1696                                  prop, prop, 32, PropModeReplace,
1697                                  (unsigned char *)&mwmhints,
1698                                  PROP_MWM_HINTS_ELEMENTS );
1699             }
1700         }
1701     }
1702     else
1703     {
1704         Window dummy1;
1705         int dummy2, dummy3;
1706         unsigned int dummy4, dummy5;
1707
1708         /* Select events we are interested in. */
1709         XSelectInput( p_vout->p_sys->p_display, p_win->owner_window,
1710                       StructureNotifyMask );
1711
1712         /* Get the parent window's geometry information */
1713         XGetGeometry( p_vout->p_sys->p_display, p_win->owner_window,
1714                       &dummy1, &dummy2, &dummy3,
1715                       &p_win->i_width,
1716                       &p_win->i_height,
1717                       &dummy4, &dummy5 );
1718
1719         /* We are already configured */
1720         b_configure_notify = VLC_TRUE;
1721
1722         /* From man XSelectInput: only one client at a time can select a
1723          * ButtonPress event, so we need to open a new window anyway. */
1724         p_win->base_window =
1725             XCreateWindow( p_vout->p_sys->p_display,
1726                            p_win->owner_window,
1727                            0, 0,
1728                            p_win->i_width, p_win->i_height,
1729                            0,
1730                            0, CopyFromParent, 0,
1731                            CWBackingStore | CWBackPixel | CWEventMask,
1732                            &xwindow_attributes );
1733     }
1734
1735     if( (p_win->wm_protocols == None)        /* use WM_DELETE_WINDOW */
1736         || (p_win->wm_delete_window == None)
1737         || !XSetWMProtocols( p_vout->p_sys->p_display, p_win->base_window,
1738                              &p_win->wm_delete_window, 1 ) )
1739     {
1740         /* WM_DELETE_WINDOW is not supported by window manager */
1741         msg_Warn( p_vout, "missing or bad window manager" );
1742     }
1743
1744     /* Creation of a graphic context that doesn't generate a GraphicsExpose
1745      * event when using functions like XCopyArea */
1746     xgcvalues.graphics_exposures = False;
1747     p_win->gc = XCreateGC( p_vout->p_sys->p_display,
1748                            p_win->base_window,
1749                            GCGraphicsExposures, &xgcvalues );
1750
1751     /* Send orders to server, and wait until window is displayed - three
1752      * events must be received: a MapNotify event, an Expose event allowing
1753      * drawing in the window, and a ConfigureNotify to get the window
1754      * dimensions. Once those events have been received, only
1755      * ConfigureNotify events need to be received. */
1756     XMapWindow( p_vout->p_sys->p_display, p_win->base_window );
1757     do
1758     {
1759         XWindowEvent( p_vout->p_sys->p_display, p_win->base_window,
1760                       SubstructureNotifyMask | StructureNotifyMask |
1761                       ExposureMask, &xevent);
1762         if( (xevent.type == Expose)
1763             && (xevent.xexpose.window == p_win->base_window) )
1764         {
1765             b_expose = VLC_TRUE;
1766             /* ConfigureNotify isn't sent if there isn't a window manager.
1767              * Expose should be the last event to be received so it should
1768              * be fine to assume we won't receive it anymore. */
1769             b_configure_notify = VLC_TRUE;
1770         }
1771         else if( (xevent.type == MapNotify)
1772                  && (xevent.xmap.window == p_win->base_window) )
1773         {
1774             b_map_notify = VLC_TRUE;
1775         }
1776         else if( (xevent.type == ConfigureNotify)
1777                  && (xevent.xconfigure.window == p_win->base_window) )
1778         {
1779             b_configure_notify = VLC_TRUE;
1780             p_win->i_width = xevent.xconfigure.width;
1781             p_win->i_height = xevent.xconfigure.height;
1782         }
1783     } while( !( b_expose && b_configure_notify && b_map_notify ) );
1784
1785     XSelectInput( p_vout->p_sys->p_display, p_win->base_window,
1786                   StructureNotifyMask | KeyPressMask |
1787                   ButtonPressMask | ButtonReleaseMask |
1788                   PointerMotionMask );
1789
1790 #ifdef MODULE_NAME_IS_x11
1791     if( XDefaultDepth(p_vout->p_sys->p_display, p_vout->p_sys->i_screen) == 8 )
1792     {
1793         /* Allocate a new palette */
1794         p_vout->p_sys->colormap =
1795             XCreateColormap( p_vout->p_sys->p_display,
1796                              DefaultRootWindow( p_vout->p_sys->p_display ),
1797                              DefaultVisual( p_vout->p_sys->p_display,
1798                                             p_vout->p_sys->i_screen ),
1799                              AllocAll );
1800
1801         xwindow_attributes.colormap = p_vout->p_sys->colormap;
1802         XChangeWindowAttributes( p_vout->p_sys->p_display, p_win->base_window,
1803                                  CWColormap, &xwindow_attributes );
1804     }
1805 #endif
1806
1807     /* Create video output sub-window. */
1808     p_win->video_window =  XCreateSimpleWindow(
1809                                       p_vout->p_sys->p_display,
1810                                       p_win->base_window, 0, 0,
1811                                       p_win->i_width, p_win->i_height,
1812                                       0,
1813                                       BlackPixel( p_vout->p_sys->p_display,
1814                                                   p_vout->p_sys->i_screen ),
1815                                       WhitePixel( p_vout->p_sys->p_display,
1816                                                   p_vout->p_sys->i_screen ) );
1817
1818     XSetWindowBackground( p_vout->p_sys->p_display, p_win->video_window,
1819                           BlackPixel( p_vout->p_sys->p_display,
1820                                       p_vout->p_sys->i_screen ) );
1821
1822     XMapWindow( p_vout->p_sys->p_display, p_win->video_window );
1823     XSelectInput( p_vout->p_sys->p_display, p_win->video_window,
1824                   ExposureMask );
1825
1826     /* make sure the video window will be centered in the next ManageVideo() */
1827     p_vout->i_changes |= VOUT_SIZE_CHANGE;
1828
1829     /* If the cursor was formerly blank than blank it again */
1830     if( !p_vout->p_sys->b_mouse_pointer_visible )
1831     {
1832         ToggleCursor( p_vout );
1833         ToggleCursor( p_vout );
1834     }
1835
1836     /* Do NOT use XFlush here ! */
1837     XSync( p_vout->p_sys->p_display, False );
1838
1839     /* At this stage, the window is open, displayed, and ready to
1840      * receive data */
1841     p_vout->p_sys->p_win = p_win;
1842
1843     return VLC_SUCCESS;
1844 }
1845
1846 /*****************************************************************************
1847  * DestroyWindow: destroy the window
1848  *****************************************************************************
1849  *
1850  *****************************************************************************/
1851 static void DestroyWindow( vout_thread_t *p_vout, x11_window_t *p_win )
1852 {
1853     /* Do NOT use XFlush here ! */
1854     XSync( p_vout->p_sys->p_display, False );
1855
1856     if( p_win->video_window != None )
1857         XDestroyWindow( p_vout->p_sys->p_display, p_win->video_window );
1858
1859     XFreeGC( p_vout->p_sys->p_display, p_win->gc );
1860
1861     XUnmapWindow( p_vout->p_sys->p_display, p_win->base_window );
1862     XDestroyWindow( p_vout->p_sys->p_display, p_win->base_window );
1863
1864     if( p_win->owner_window )
1865         vout_ReleaseWindow( p_vout, (void *)p_win->owner_window );
1866 }
1867
1868 /*****************************************************************************
1869  * NewPicture: allocate a picture
1870  *****************************************************************************
1871  * Returns 0 on success, -1 otherwise
1872  *****************************************************************************/
1873 static int NewPicture( vout_thread_t *p_vout, picture_t *p_pic )
1874 {
1875 #ifndef MODULE_NAME_IS_glx
1876
1877 #if defined(MODULE_NAME_IS_xvideo) || defined(MODULE_NAME_IS_xvmc)
1878     int i_plane;
1879 #endif
1880
1881     /* We know the chroma, allocate a buffer which will be used
1882      * directly by the decoder */
1883     p_pic->p_sys = malloc( sizeof( picture_sys_t ) );
1884
1885     if( p_pic->p_sys == NULL )
1886     {
1887         return -1;
1888     }
1889
1890 #ifdef MODULE_NAME_IS_xvmc
1891     p_pic->p_sys->p_vout = p_vout;
1892     p_pic->p_sys->xvmc_surf = NULL;
1893     p_pic->p_sys->xxmc_data.decoded = 0;
1894     p_pic->p_sys->xxmc_data.proc_xxmc_update_frame = xxmc_do_update_frame;
1895     p_pic->p_accel_data = &p_pic->p_sys->xxmc_data;
1896     p_pic->p_sys->nb_display = 0;
1897 #endif
1898
1899     /* Fill in picture_t fields */
1900     vout_InitPicture( VLC_OBJECT(p_vout), p_pic, p_vout->output.i_chroma,
1901                       p_vout->output.i_width, p_vout->output.i_height,
1902                       p_vout->output.i_aspect );
1903
1904 #ifdef HAVE_SYS_SHM_H
1905     if( p_vout->p_sys->i_shm_opcode )
1906     {
1907         /* Create image using XShm extension */
1908         p_pic->p_sys->p_image =
1909             CreateShmImage( p_vout, p_vout->p_sys->p_display,
1910 #   if defined(MODULE_NAME_IS_xvideo) || defined(MODULE_NAME_IS_xvmc)
1911                             p_vout->p_sys->i_xvport,
1912                             VLC2X11_FOURCC(p_vout->output.i_chroma),
1913 #   else
1914                             p_vout->p_sys->p_visual,
1915                             p_vout->p_sys->i_screen_depth,
1916 #   endif
1917                             &p_pic->p_sys->shminfo,
1918                             p_vout->output.i_width, p_vout->output.i_height );
1919     }
1920
1921     if( !p_vout->p_sys->i_shm_opcode || !p_pic->p_sys->p_image )
1922 #endif /* HAVE_SYS_SHM_H */
1923     {
1924         /* Create image without XShm extension */
1925         p_pic->p_sys->p_image =
1926             CreateImage( p_vout, p_vout->p_sys->p_display,
1927 #if defined(MODULE_NAME_IS_xvideo) || defined(MODULE_NAME_IS_xvmc)
1928                          p_vout->p_sys->i_xvport,
1929                          VLC2X11_FOURCC(p_vout->output.i_chroma),
1930                          p_pic->format.i_bits_per_pixel,
1931 #else
1932                          p_vout->p_sys->p_visual,
1933                          p_vout->p_sys->i_screen_depth,
1934                          p_vout->p_sys->i_bytes_per_pixel,
1935 #endif
1936                          p_vout->output.i_width, p_vout->output.i_height );
1937
1938 #ifdef HAVE_SYS_SHM_H
1939         if( p_pic->p_sys->p_image && p_vout->p_sys->i_shm_opcode )
1940         {
1941             msg_Warn( p_vout, "couldn't create SHM image, disabling SHM" );
1942             p_vout->p_sys->i_shm_opcode = 0;
1943         }
1944 #endif /* HAVE_SYS_SHM_H */
1945     }
1946
1947     if( p_pic->p_sys->p_image == NULL )
1948     {
1949         free( p_pic->p_sys );
1950         return -1;
1951     }
1952
1953     switch( p_vout->output.i_chroma )
1954     {
1955 #if defined(MODULE_NAME_IS_xvideo) || defined(MODULE_NAME_IS_xvmc)
1956         case VLC_FOURCC('I','4','2','0'):
1957         case VLC_FOURCC('Y','V','1','2'):
1958         case VLC_FOURCC('Y','2','1','1'):
1959         case VLC_FOURCC('Y','U','Y','2'):
1960         case VLC_FOURCC('U','Y','V','Y'):
1961         case VLC_FOURCC('R','V','1','5'):
1962         case VLC_FOURCC('R','V','1','6'):
1963         case VLC_FOURCC('R','V','2','4'): /* Fixme: pixel pitch == 4 ? */
1964         case VLC_FOURCC('R','V','3','2'):
1965
1966             for( i_plane = 0; i_plane < p_pic->p_sys->p_image->num_planes;
1967                  i_plane++ )
1968             {
1969                 p_pic->p[i_plane].p_pixels = p_pic->p_sys->p_image->data
1970                     + p_pic->p_sys->p_image->offsets[i_plane];
1971                 p_pic->p[i_plane].i_pitch =
1972                     p_pic->p_sys->p_image->pitches[i_plane];
1973             }
1974             if( p_vout->output.i_chroma == VLC_FOURCC('Y','V','1','2') )
1975             {
1976                 /* U and V inverted compared to I420
1977                  * Fixme: this should be handled by the vout core */
1978                 p_pic->U_PIXELS = p_pic->p_sys->p_image->data
1979                     + p_pic->p_sys->p_image->offsets[2];
1980                 p_pic->V_PIXELS = p_pic->p_sys->p_image->data
1981                     + p_pic->p_sys->p_image->offsets[1];
1982             }
1983             break;
1984
1985 #else
1986         case VLC_FOURCC('R','G','B','2'):
1987         case VLC_FOURCC('R','V','1','6'):
1988         case VLC_FOURCC('R','V','1','5'):
1989         case VLC_FOURCC('R','V','2','4'):
1990         case VLC_FOURCC('R','V','3','2'):
1991
1992             p_pic->p->i_lines = p_pic->p_sys->p_image->height;
1993             p_pic->p->i_visible_lines = p_pic->p_sys->p_image->height;
1994             p_pic->p->p_pixels = p_pic->p_sys->p_image->data
1995                                   + p_pic->p_sys->p_image->xoffset;
1996             p_pic->p->i_pitch = p_pic->p_sys->p_image->bytes_per_line;
1997
1998             /* p_pic->p->i_pixel_pitch = 4 for RV24 but this should be set
1999              * properly by vout_InitPicture() */
2000             p_pic->p->i_visible_pitch = p_pic->p->i_pixel_pitch
2001                                          * p_pic->p_sys->p_image->width;
2002             break;
2003 #endif
2004
2005         default:
2006             /* Unknown chroma, tell the guy to get lost */
2007             IMAGE_FREE( p_pic->p_sys->p_image );
2008             free( p_pic->p_sys );
2009             msg_Err( p_vout, "never heard of chroma 0x%.8x (%4.4s)",
2010                      p_vout->output.i_chroma, (char*)&p_vout->output.i_chroma );
2011             p_pic->i_planes = 0;
2012             return -1;
2013     }
2014
2015 #endif /* !MODULE_NAME_IS_glx */
2016
2017     return 0;
2018 }
2019
2020 /*****************************************************************************
2021  * FreePicture: destroy a picture allocated with NewPicture
2022  *****************************************************************************
2023  * Destroy XImage AND associated data. If using Shm, detach shared memory
2024  * segment from server and process, then free it. The XDestroyImage manpage
2025  * says that both the image structure _and_ the data pointed to by the
2026  * image structure are freed, so no need to free p_image->data.
2027  *****************************************************************************/
2028 static void FreePicture( vout_thread_t *p_vout, picture_t *p_pic )
2029 {
2030     /* The order of operations is correct */
2031 #ifdef HAVE_SYS_SHM_H
2032     if( p_vout->p_sys->i_shm_opcode )
2033     {
2034         XShmDetach( p_vout->p_sys->p_display, &p_pic->p_sys->shminfo );
2035         IMAGE_FREE( p_pic->p_sys->p_image );
2036
2037         shmctl( p_pic->p_sys->shminfo.shmid, IPC_RMID, 0 );
2038         if( shmdt( p_pic->p_sys->shminfo.shmaddr ) )
2039         {
2040             msg_Err( p_vout, "cannot detach shared memory (%m)" );
2041         }
2042     }
2043     else
2044 #endif
2045     {
2046         IMAGE_FREE( p_pic->p_sys->p_image );
2047     }
2048
2049 #ifdef MODULE_NAME_IS_xvmc
2050     if( p_pic->p_sys->xvmc_surf != NULL )
2051     {
2052         xxmc_xvmc_free_surface(p_vout , p_pic->p_sys->xvmc_surf);
2053         p_pic->p_sys->xvmc_surf = NULL;
2054     }
2055 #endif
2056
2057     /* Do NOT use XFlush here ! */
2058     XSync( p_vout->p_sys->p_display, False );
2059
2060     free( p_pic->p_sys );
2061 }
2062
2063 /*****************************************************************************
2064  * ToggleFullScreen: Enable or disable full screen mode
2065  *****************************************************************************
2066  * This function will switch between fullscreen and window mode.
2067  *****************************************************************************/
2068 static void ToggleFullScreen ( vout_thread_t *p_vout )
2069 {
2070     Atom prop;
2071     XEvent xevent;
2072     mwmhints_t mwmhints;
2073     XSetWindowAttributes attributes;
2074
2075 #ifdef HAVE_XINERAMA
2076     int i_d1, i_d2;
2077 #endif
2078
2079     p_vout->b_fullscreen = !p_vout->b_fullscreen;
2080
2081     if( p_vout->b_fullscreen )
2082     {
2083         msg_Dbg( p_vout, "entering fullscreen mode" );
2084
2085         p_vout->p_sys->b_altfullscreen =
2086             config_GetInt( p_vout, MODULE_STRING "-altfullscreen" );
2087
2088         XUnmapWindow( p_vout->p_sys->p_display,
2089                       p_vout->p_sys->p_win->base_window );
2090
2091         p_vout->p_sys->p_win = &p_vout->p_sys->fullscreen_window;
2092
2093         CreateWindow( p_vout, p_vout->p_sys->p_win );
2094         XDestroyWindow( p_vout->p_sys->p_display,
2095                         p_vout->p_sys->fullscreen_window.video_window );
2096         XReparentWindow( p_vout->p_sys->p_display,
2097                          p_vout->p_sys->original_window.video_window,
2098                          p_vout->p_sys->fullscreen_window.base_window, 0, 0 );
2099         p_vout->p_sys->fullscreen_window.video_window =
2100             p_vout->p_sys->original_window.video_window;
2101
2102         /* To my knowledge there are two ways to create a borderless window.
2103          * There's the generic way which is to tell x to bypass the window
2104          * manager, but this creates problems with the focus of other
2105          * applications.
2106          * The other way is to use the motif property "_MOTIF_WM_HINTS" which
2107          * luckily seems to be supported by most window managers. */
2108         if( !p_vout->p_sys->b_altfullscreen )
2109         {
2110             mwmhints.flags = MWM_HINTS_DECORATIONS;
2111             mwmhints.decorations = False;
2112
2113             prop = XInternAtom( p_vout->p_sys->p_display, "_MOTIF_WM_HINTS",
2114                                 False );
2115             XChangeProperty( p_vout->p_sys->p_display,
2116                              p_vout->p_sys->p_win->base_window,
2117                              prop, prop, 32, PropModeReplace,
2118                              (unsigned char *)&mwmhints,
2119                              PROP_MWM_HINTS_ELEMENTS );
2120         }
2121         else
2122         {
2123             /* brute force way to remove decorations */
2124             attributes.override_redirect = True;
2125             XChangeWindowAttributes( p_vout->p_sys->p_display,
2126                                      p_vout->p_sys->p_win->base_window,
2127                                      CWOverrideRedirect,
2128                                      &attributes);
2129
2130             /* Make sure the change is effective */
2131             XReparentWindow( p_vout->p_sys->p_display,
2132                              p_vout->p_sys->p_win->base_window,
2133                              DefaultRootWindow( p_vout->p_sys->p_display ),
2134                              0, 0 );
2135         }
2136
2137         if( p_vout->p_sys->b_net_wm_state_fullscreen )
2138         {
2139             XClientMessageEvent event;
2140
2141             memset( &event, 0, sizeof( XClientMessageEvent ) );
2142
2143             event.type = ClientMessage;
2144             event.message_type = p_vout->p_sys->net_wm_state;
2145             event.display = p_vout->p_sys->p_display;
2146             event.window = p_vout->p_sys->p_win->base_window;
2147             event.format = 32;
2148             event.data.l[ 0 ] = 1; /* set property */
2149             event.data.l[ 1 ] = p_vout->p_sys->net_wm_state_fullscreen;
2150
2151             XSendEvent( p_vout->p_sys->p_display,
2152                         DefaultRootWindow( p_vout->p_sys->p_display ),
2153                         False, SubstructureRedirectMask,
2154                         (XEvent*)&event );
2155         }
2156
2157         /* Make sure the change is effective */
2158         XReparentWindow( p_vout->p_sys->p_display,
2159                          p_vout->p_sys->p_win->base_window,
2160                          DefaultRootWindow( p_vout->p_sys->p_display ),
2161                          0, 0 );
2162
2163 #ifdef HAVE_XINERAMA
2164         if( XineramaQueryExtension( p_vout->p_sys->p_display, &i_d1, &i_d2 ) &&
2165             XineramaIsActive( p_vout->p_sys->p_display ) )
2166         {
2167             XineramaScreenInfo *screens;   /* infos for xinerama */
2168             int i_num_screens;
2169
2170             msg_Dbg( p_vout, "using XFree Xinerama extension");
2171
2172 #define SCREEN p_vout->p_sys->p_win->i_screen
2173
2174             /* Get Information about Xinerama (num of screens) */
2175             screens = XineramaQueryScreens( p_vout->p_sys->p_display,
2176                                             &i_num_screens );
2177
2178             SCREEN = config_GetInt( p_vout,
2179                                         MODULE_STRING "-xineramascreen" );
2180
2181             /* just check that user has entered a good value */
2182             if( SCREEN >= i_num_screens || SCREEN < 0 )
2183             {
2184                 msg_Dbg( p_vout, "requested screen number invalid (%d/%d)", SCREEN, i_num_screens );
2185                 SCREEN = 0;
2186             }
2187
2188             /* Get the X/Y upper left corner coordinate of the above screen */
2189             p_vout->p_sys->p_win->i_x = screens[SCREEN].x_org;
2190             p_vout->p_sys->p_win->i_y = screens[SCREEN].y_org;
2191
2192             /* Set the Height/width to the screen resolution */
2193             p_vout->p_sys->p_win->i_width = screens[SCREEN].width;
2194             p_vout->p_sys->p_win->i_height = screens[SCREEN].height;
2195
2196             XFree(screens);
2197
2198 #undef SCREEN
2199
2200         }
2201         else
2202 #endif
2203         {
2204             /* The window wasn't necessarily created at the requested size */
2205             p_vout->p_sys->p_win->i_x = p_vout->p_sys->p_win->i_y = 0;
2206
2207 #ifdef HAVE_XF86VIDMODE
2208             XF86VidModeModeLine mode;
2209             int i_dummy;
2210
2211             if( XF86VidModeGetModeLine( p_vout->p_sys->p_display,
2212                                         p_vout->p_sys->i_screen, &i_dummy,
2213                                         &mode ) )
2214             {
2215                 p_vout->p_sys->p_win->i_width = mode.hdisplay;
2216                 p_vout->p_sys->p_win->i_height = mode.vdisplay;
2217
2218                 /* move cursor to the middle of the window to prevent
2219                  * unwanted display move if the display is smaller than the
2220                  * full desktop */
2221                 XWarpPointer( p_vout->p_sys->p_display, None,
2222                               p_vout->p_sys->p_win->base_window, 0, 0, 0, 0,
2223                               mode.hdisplay / 2 , mode.vdisplay / 2 );
2224                 /* force desktop view to upper left corner */
2225                 XF86VidModeSetViewPort( p_vout->p_sys->p_display,
2226                                         p_vout->p_sys->i_screen, 0, 0 );
2227             }
2228             else
2229 #endif
2230             {
2231                 p_vout->p_sys->p_win->i_width =
2232                     DisplayWidth( p_vout->p_sys->p_display,
2233                                 p_vout->p_sys->i_screen );
2234                 p_vout->p_sys->p_win->i_height =
2235                     DisplayHeight( p_vout->p_sys->p_display,
2236                                 p_vout->p_sys->i_screen );
2237             }
2238
2239         }
2240
2241         XMoveResizeWindow( p_vout->p_sys->p_display,
2242                            p_vout->p_sys->p_win->base_window,
2243                            p_vout->p_sys->p_win->i_x,
2244                            p_vout->p_sys->p_win->i_y,
2245                            p_vout->p_sys->p_win->i_width,
2246                            p_vout->p_sys->p_win->i_height );
2247
2248 #ifdef HAVE_XSP
2249         EnablePixelDoubling( p_vout );
2250 #endif
2251
2252     }
2253     else
2254     {
2255         msg_Dbg( p_vout, "leaving fullscreen mode" );
2256
2257 #ifdef HAVE_XSP
2258         DisablePixelDoubling( p_vout );
2259 #endif
2260
2261         XReparentWindow( p_vout->p_sys->p_display,
2262                          p_vout->p_sys->original_window.video_window,
2263                          p_vout->p_sys->original_window.base_window, 0, 0 );
2264
2265         p_vout->p_sys->fullscreen_window.video_window = None;
2266         DestroyWindow( p_vout, &p_vout->p_sys->fullscreen_window );
2267         p_vout->p_sys->p_win = &p_vout->p_sys->original_window;
2268
2269         XMapWindow( p_vout->p_sys->p_display,
2270                     p_vout->p_sys->p_win->base_window );
2271     }
2272
2273     /* Unfortunately, using XSync() here is not enough to ensure the
2274      * window has already been mapped because the XMapWindow() request
2275      * has not necessarily been sent directly to our window (remember,
2276      * the call is first redirected to the window manager) */
2277     do
2278     {
2279         XWindowEvent( p_vout->p_sys->p_display,
2280                       p_vout->p_sys->p_win->base_window,
2281                       StructureNotifyMask, &xevent );
2282     } while( xevent.type != MapNotify );
2283
2284     /* Be careful, this can generate a BadMatch error if the window is not
2285      * already mapped by the server (see above) */
2286     XSetInputFocus(p_vout->p_sys->p_display,
2287                    p_vout->p_sys->p_win->base_window,
2288                    RevertToParent,
2289                    CurrentTime);
2290
2291     /* signal that the size needs to be updated */
2292     p_vout->i_changes |= VOUT_SIZE_CHANGE;
2293 }
2294
2295 /*****************************************************************************
2296  * EnableXScreenSaver: enable screen saver
2297  *****************************************************************************
2298  * This function enables the screen saver on a display after it has been
2299  * disabled by XDisableScreenSaver.
2300  * FIXME: what happens if multiple vlc sessions are running at the same
2301  *        time ???
2302  *****************************************************************************/
2303 static void EnableXScreenSaver( vout_thread_t *p_vout )
2304 {
2305 #ifdef DPMSINFO_IN_DPMS_H
2306     int dummy;
2307 #endif
2308
2309     if( p_vout->p_sys->i_ss_timeout )
2310     {
2311         XSetScreenSaver( p_vout->p_sys->p_display, p_vout->p_sys->i_ss_timeout,
2312                          p_vout->p_sys->i_ss_interval,
2313                          p_vout->p_sys->i_ss_blanking,
2314                          p_vout->p_sys->i_ss_exposure );
2315     }
2316
2317     /* Restore DPMS settings */
2318 #ifdef DPMSINFO_IN_DPMS_H
2319     if( DPMSQueryExtension( p_vout->p_sys->p_display, &dummy, &dummy ) )
2320     {
2321         if( p_vout->p_sys->b_ss_dpms )
2322         {
2323             DPMSEnable( p_vout->p_sys->p_display );
2324         }
2325     }
2326 #endif
2327 }
2328
2329 /*****************************************************************************
2330  * DisableXScreenSaver: disable screen saver
2331  *****************************************************************************
2332  * See XEnableXScreenSaver
2333  *****************************************************************************/
2334 static void DisableXScreenSaver( vout_thread_t *p_vout )
2335 {
2336 #ifdef DPMSINFO_IN_DPMS_H
2337     int dummy;
2338 #endif
2339
2340     /* Save screen saver information */
2341     XGetScreenSaver( p_vout->p_sys->p_display, &p_vout->p_sys->i_ss_timeout,
2342                      &p_vout->p_sys->i_ss_interval,
2343                      &p_vout->p_sys->i_ss_blanking,
2344                      &p_vout->p_sys->i_ss_exposure );
2345
2346     /* Disable screen saver */
2347     if( p_vout->p_sys->i_ss_timeout )
2348     {
2349         XSetScreenSaver( p_vout->p_sys->p_display, 0,
2350                          p_vout->p_sys->i_ss_interval,
2351                          p_vout->p_sys->i_ss_blanking,
2352                          p_vout->p_sys->i_ss_exposure );
2353     }
2354
2355     /* Disable DPMS */
2356 #ifdef DPMSINFO_IN_DPMS_H
2357     if( DPMSQueryExtension( p_vout->p_sys->p_display, &dummy, &dummy ) )
2358     {
2359         CARD16 unused;
2360         /* Save DPMS current state */
2361         DPMSInfo( p_vout->p_sys->p_display, &unused,
2362                   &p_vout->p_sys->b_ss_dpms );
2363         DPMSDisable( p_vout->p_sys->p_display );
2364    }
2365 #endif
2366 }
2367
2368 /*****************************************************************************
2369  * CreateCursor: create a blank mouse pointer
2370  *****************************************************************************/
2371 static void CreateCursor( vout_thread_t *p_vout )
2372 {
2373     XColor cursor_color;
2374
2375     p_vout->p_sys->cursor_pixmap =
2376         XCreatePixmap( p_vout->p_sys->p_display,
2377                        DefaultRootWindow( p_vout->p_sys->p_display ),
2378                        1, 1, 1 );
2379
2380     XParseColor( p_vout->p_sys->p_display,
2381                  XCreateColormap( p_vout->p_sys->p_display,
2382                                   DefaultRootWindow(
2383                                                     p_vout->p_sys->p_display ),
2384                                   DefaultVisual(
2385                                                 p_vout->p_sys->p_display,
2386                                                 p_vout->p_sys->i_screen ),
2387                                   AllocNone ),
2388                  "black", &cursor_color );
2389
2390     p_vout->p_sys->blank_cursor =
2391         XCreatePixmapCursor( p_vout->p_sys->p_display,
2392                              p_vout->p_sys->cursor_pixmap,
2393                              p_vout->p_sys->cursor_pixmap,
2394                              &cursor_color, &cursor_color, 1, 1 );
2395 }
2396
2397 /*****************************************************************************
2398  * DestroyCursor: destroy the blank mouse pointer
2399  *****************************************************************************/
2400 static void DestroyCursor( vout_thread_t *p_vout )
2401 {
2402     XFreePixmap( p_vout->p_sys->p_display, p_vout->p_sys->cursor_pixmap );
2403 }
2404
2405 /*****************************************************************************
2406  * ToggleCursor: hide or show the mouse pointer
2407  *****************************************************************************
2408  * This function hides the X pointer if it is visible by setting the pointer
2409  * sprite to a blank one. To show it again, we disable the sprite.
2410  *****************************************************************************/
2411 static void ToggleCursor( vout_thread_t *p_vout )
2412 {
2413     if( p_vout->p_sys->b_mouse_pointer_visible )
2414     {
2415         XDefineCursor( p_vout->p_sys->p_display,
2416                        p_vout->p_sys->p_win->base_window,
2417                        p_vout->p_sys->blank_cursor );
2418         p_vout->p_sys->b_mouse_pointer_visible = 0;
2419     }
2420     else
2421     {
2422         XUndefineCursor( p_vout->p_sys->p_display,
2423                          p_vout->p_sys->p_win->base_window );
2424         p_vout->p_sys->b_mouse_pointer_visible = 1;
2425     }
2426 }
2427
2428 #if defined(MODULE_NAME_IS_xvideo) || defined(MODULE_NAME_IS_xvmc)
2429 /*****************************************************************************
2430  * XVideoGetPort: get YUV12 port
2431  *****************************************************************************/
2432 static int XVideoGetPort( vout_thread_t *p_vout,
2433                           vlc_fourcc_t i_chroma, vlc_fourcc_t *pi_newchroma )
2434 {
2435     XvAdaptorInfo *p_adaptor;
2436     unsigned int i;
2437     unsigned int i_adaptor, i_num_adaptors;
2438     int i_requested_adaptor;
2439     int i_selected_port;
2440
2441     switch( XvQueryExtension( p_vout->p_sys->p_display, &i, &i, &i, &i, &i ) )
2442     {
2443         case Success:
2444             break;
2445
2446         case XvBadExtension:
2447             msg_Warn( p_vout, "XvBadExtension" );
2448             return -1;
2449
2450         case XvBadAlloc:
2451             msg_Warn( p_vout, "XvBadAlloc" );
2452             return -1;
2453
2454         default:
2455             msg_Warn( p_vout, "XvQueryExtension failed" );
2456             return -1;
2457     }
2458
2459     switch( XvQueryAdaptors( p_vout->p_sys->p_display,
2460                              DefaultRootWindow( p_vout->p_sys->p_display ),
2461                              &i_num_adaptors, &p_adaptor ) )
2462     {
2463         case Success:
2464             break;
2465
2466         case XvBadExtension:
2467             msg_Warn( p_vout, "XvBadExtension for XvQueryAdaptors" );
2468             return -1;
2469
2470         case XvBadAlloc:
2471             msg_Warn( p_vout, "XvBadAlloc for XvQueryAdaptors" );
2472             return -1;
2473
2474         default:
2475             msg_Warn( p_vout, "XvQueryAdaptors failed" );
2476             return -1;
2477     }
2478
2479     i_selected_port = -1;
2480 #ifdef MODULE_NAME_IS_xvmc
2481     i_requested_adaptor = config_GetInt( p_vout, "xvmc-adaptor" );
2482 #else
2483     i_requested_adaptor = config_GetInt( p_vout, "xvideo-adaptor" );
2484 #endif
2485     for( i_adaptor = 0; i_adaptor < i_num_adaptors; ++i_adaptor )
2486     {
2487         XvImageFormatValues *p_formats;
2488         int i_format, i_num_formats;
2489         int i_port;
2490
2491         /* If we requested an adaptor and it's not this one, we aren't
2492          * interested */
2493         if( i_requested_adaptor != -1 && ((int)i_adaptor != i_requested_adaptor) )
2494         {
2495             continue;
2496         }
2497
2498         /* If the adaptor doesn't have the required properties, skip it */
2499         if( !( p_adaptor[ i_adaptor ].type & XvInputMask ) ||
2500             !( p_adaptor[ i_adaptor ].type & XvImageMask ) )
2501         {
2502             continue;
2503         }
2504
2505         /* Check that adaptor supports our requested format... */
2506         p_formats = XvListImageFormats( p_vout->p_sys->p_display,
2507                                         p_adaptor[i_adaptor].base_id,
2508                                         &i_num_formats );
2509
2510         for( i_format = 0;
2511              i_format < i_num_formats && ( i_selected_port == -1 );
2512              i_format++ )
2513         {
2514             XvAttribute     *p_attr;
2515             int             i_attr, i_num_attributes;
2516
2517             /* If this is not the format we want, or at least a
2518              * similar one, forget it */
2519             if( !vout_ChromaCmp( p_formats[ i_format ].id, i_chroma ) )
2520             {
2521                 continue;
2522             }
2523
2524             /* Look for the first available port supporting this format */
2525             for( i_port = p_adaptor[i_adaptor].base_id;
2526                  ( i_port < (int)(p_adaptor[i_adaptor].base_id
2527                                    + p_adaptor[i_adaptor].num_ports) )
2528                    && ( i_selected_port == -1 );
2529                  i_port++ )
2530             {
2531                 if( XvGrabPort( p_vout->p_sys->p_display, i_port, CurrentTime )
2532                      == Success )
2533                 {
2534                     i_selected_port = i_port;
2535                     *pi_newchroma = p_formats[ i_format ].id;
2536                 }
2537             }
2538
2539             /* If no free port was found, forget it */
2540             if( i_selected_port == -1 )
2541             {
2542                 continue;
2543             }
2544
2545             /* If we found a port, print information about it */
2546             msg_Dbg( p_vout, "adaptor %i, port %i, format 0x%x (%4.4s) %s",
2547                      i_adaptor, i_selected_port, p_formats[ i_format ].id,
2548                      (char *)&p_formats[ i_format ].id,
2549                      ( p_formats[ i_format ].format == XvPacked ) ?
2550                          "packed" : "planar" );
2551
2552             /* Make sure XV_AUTOPAINT_COLORKEY is set */
2553             p_attr = XvQueryPortAttributes( p_vout->p_sys->p_display,
2554                                             i_selected_port,
2555                                             &i_num_attributes );
2556
2557             for( i_attr = 0; i_attr < i_num_attributes; i_attr++ )
2558             {
2559                 if( !strcmp( p_attr[i_attr].name, "XV_AUTOPAINT_COLORKEY" ) )
2560                 {
2561                     const Atom autopaint =
2562                         XInternAtom( p_vout->p_sys->p_display,
2563                                      "XV_AUTOPAINT_COLORKEY", False );
2564                     XvSetPortAttribute( p_vout->p_sys->p_display,
2565                                         i_selected_port, autopaint, 1 );
2566                     break;
2567                 }
2568             }
2569
2570             if( p_attr != NULL )
2571             {
2572                 XFree( p_attr );
2573             }
2574         }
2575
2576         if( p_formats != NULL )
2577         {
2578             XFree( p_formats );
2579         }
2580
2581     }
2582
2583     if( i_num_adaptors > 0 )
2584     {
2585         XvFreeAdaptorInfo( p_adaptor );
2586     }
2587
2588     if( i_selected_port == -1 )
2589     {
2590         int i_chroma_tmp = X112VLC_FOURCC( i_chroma );
2591         if( i_requested_adaptor == -1 )
2592         {
2593             msg_Warn( p_vout, "no free XVideo port found for format "
2594                       "0x%.8x (%4.4s)", i_chroma_tmp, (char*)&i_chroma_tmp );
2595         }
2596         else
2597         {
2598             msg_Warn( p_vout, "XVideo adaptor %i does not have a free "
2599                       "XVideo port for format 0x%.8x (%4.4s)",
2600                       i_requested_adaptor, i_chroma_tmp, (char*)&i_chroma_tmp );
2601         }
2602     }
2603
2604     return i_selected_port;
2605 }
2606
2607 /*****************************************************************************
2608  * XVideoReleasePort: release YUV12 port
2609  *****************************************************************************/
2610 static void XVideoReleasePort( vout_thread_t *p_vout, int i_port )
2611 {
2612     XvUngrabPort( p_vout->p_sys->p_display, i_port, CurrentTime );
2613 }
2614 #endif
2615
2616 /*****************************************************************************
2617  * InitDisplay: open and initialize X11 device
2618  *****************************************************************************
2619  * Create a window according to video output given size, and set other
2620  * properties according to the display properties.
2621  *****************************************************************************/
2622 static int InitDisplay( vout_thread_t *p_vout )
2623 {
2624 #ifdef MODULE_NAME_IS_x11
2625     XPixmapFormatValues *       p_formats;                 /* pixmap formats */
2626     XVisualInfo *               p_xvisual;            /* visuals information */
2627     XVisualInfo                 xvisual_template;         /* visual template */
2628     int                         i_count, i;                    /* array size */
2629 #endif
2630
2631 #ifdef HAVE_SYS_SHM_H
2632     p_vout->p_sys->i_shm_opcode = 0;
2633
2634     if( config_GetInt( p_vout, MODULE_STRING "-shm" ) )
2635     {
2636 #   ifdef __APPLE__
2637         /* FIXME: As of 2001-03-16, XFree4 for MacOS X does not support Xshm */
2638 #   else
2639         int major, evt, err;
2640
2641         if( XQueryExtension( p_vout->p_sys->p_display, "MIT-SHM", &major,
2642                              &evt, &err )
2643          && XShmQueryExtension( p_vout->p_sys->p_display ) )
2644             p_vout->p_sys->i_shm_opcode = major;
2645
2646         if( p_vout->p_sys->i_shm_opcode )
2647         {
2648             int major, minor;
2649             Bool pixmaps;
2650
2651             XShmQueryVersion( p_vout->p_sys->p_display, &major, &minor,
2652                               &pixmaps );
2653             msg_Dbg( p_vout, "XShm video extension v%d.%d "
2654                      "(with%s pixmaps, opcode: %d)",
2655                      major, minor, pixmaps ? "" : "out",
2656                      p_vout->p_sys->i_shm_opcode );
2657         }
2658
2659 #   endif
2660
2661         if( !p_vout->p_sys->i_shm_opcode )
2662         {
2663             msg_Warn( p_vout, "XShm video extension is unavailable" );
2664         }
2665     }
2666     else
2667     {
2668         msg_Dbg( p_vout, "disabling XShm video extension" );
2669     }
2670
2671 #else
2672     msg_Warn( p_vout, "XShm video extension is unavailable" );
2673
2674 #endif
2675
2676 #ifdef MODULE_NAME_IS_xvideo
2677     /* XXX The brightness and contrast values should be read from environment
2678      * XXX variables... */
2679 #if 0
2680     XVideoSetAttribute( p_vout, "XV_BRIGHTNESS", 0.5 );
2681     XVideoSetAttribute( p_vout, "XV_CONTRAST",   0.5 );
2682 #endif
2683 #endif
2684
2685 #ifdef MODULE_NAME_IS_x11
2686     /* Initialize structure */
2687     p_vout->p_sys->i_screen = DefaultScreen( p_vout->p_sys->p_display );
2688
2689     /* Get screen depth */
2690     p_vout->p_sys->i_screen_depth = XDefaultDepth( p_vout->p_sys->p_display,
2691                                                    p_vout->p_sys->i_screen );
2692     switch( p_vout->p_sys->i_screen_depth )
2693     {
2694     case 8:
2695         /*
2696          * Screen depth is 8bpp. Use PseudoColor visual with private colormap.
2697          */
2698         xvisual_template.screen =   p_vout->p_sys->i_screen;
2699         xvisual_template.class =    DirectColor;
2700         p_xvisual = XGetVisualInfo( p_vout->p_sys->p_display,
2701                                     VisualScreenMask | VisualClassMask,
2702                                     &xvisual_template, &i_count );
2703         if( p_xvisual == NULL )
2704         {
2705             msg_Err( p_vout, "no PseudoColor visual available" );
2706             return VLC_EGENERIC;
2707         }
2708         p_vout->p_sys->i_bytes_per_pixel = 1;
2709         p_vout->output.pf_setpalette = SetPalette;
2710         break;
2711     case 15:
2712     case 16:
2713     case 24:
2714     default:
2715         /*
2716          * Screen depth is higher than 8bpp. TrueColor visual is used.
2717          */
2718         xvisual_template.screen =   p_vout->p_sys->i_screen;
2719         xvisual_template.class =    TrueColor;
2720 /* In some cases, we get a truecolor class adaptor that has a different
2721    color depth. So try to get a real true color one first */
2722         xvisual_template.depth =    p_vout->p_sys->i_screen_depth;
2723
2724         p_xvisual = XGetVisualInfo( p_vout->p_sys->p_display,
2725                                     VisualScreenMask | VisualClassMask |
2726                                     VisualDepthMask,
2727                                     &xvisual_template, &i_count );
2728         if( p_xvisual == NULL )
2729         {
2730             msg_Warn( p_vout, "No screen matching the required color depth" );
2731             p_xvisual = XGetVisualInfo( p_vout->p_sys->p_display,
2732                                     VisualScreenMask | VisualClassMask,
2733                                     &xvisual_template, &i_count );
2734             if( p_xvisual == NULL )
2735             {
2736
2737                 msg_Err( p_vout, "no TrueColor visual available" );
2738                 return VLC_EGENERIC;
2739             }
2740         }
2741
2742         p_vout->output.i_rmask = p_xvisual->red_mask;
2743         p_vout->output.i_gmask = p_xvisual->green_mask;
2744         p_vout->output.i_bmask = p_xvisual->blue_mask;
2745
2746         /* There is no difference yet between 3 and 4 Bpp. The only way
2747          * to find the actual number of bytes per pixel is to list supported
2748          * pixmap formats. */
2749         p_formats = XListPixmapFormats( p_vout->p_sys->p_display, &i_count );
2750         p_vout->p_sys->i_bytes_per_pixel = 0;
2751
2752         for( i = 0; i < i_count; i++ )
2753         {
2754             /* Under XFree4.0, the list contains pixmap formats available
2755              * through all video depths ; so we have to check against current
2756              * depth. */
2757             if( p_formats[i].depth == (int)p_vout->p_sys->i_screen_depth )
2758             {
2759                 if( p_formats[i].bits_per_pixel / 8
2760                         > (int)p_vout->p_sys->i_bytes_per_pixel )
2761                 {
2762                     p_vout->p_sys->i_bytes_per_pixel =
2763                         p_formats[i].bits_per_pixel / 8;
2764                 }
2765             }
2766         }
2767         if( p_formats ) XFree( p_formats );
2768
2769         break;
2770     }
2771     p_vout->p_sys->p_visual = p_xvisual->visual;
2772     XFree( p_xvisual );
2773 #endif
2774
2775     return VLC_SUCCESS;
2776 }
2777
2778 #ifdef HAVE_SYS_SHM_H
2779 /*****************************************************************************
2780  * CreateShmImage: create an XImage or XvImage using shared memory extension
2781  *****************************************************************************
2782  * Prepare an XImage or XvImage for display function.
2783  * The order of the operations respects the recommandations of the mit-shm
2784  * document by J.Corbet and K.Packard. Most of the parameters were copied from
2785  * there. See http://ftp.xfree86.org/pub/XFree86/4.0/doc/mit-shm.TXT
2786  *****************************************************************************/
2787 static IMAGE_TYPE * CreateShmImage( vout_thread_t *p_vout,
2788                                     Display* p_display, EXTRA_ARGS_SHM,
2789                                     int i_width, int i_height )
2790 {
2791     IMAGE_TYPE *p_image;
2792     Status result;
2793
2794     /* Create XImage / XvImage */
2795 #ifdef MODULE_NAME_IS_xvideo
2796
2797     /* Make sure the buffer is aligned to multiple of 16 */
2798     i_height = ( i_height + 15 ) >> 4 << 4;
2799     i_width = ( i_width + 15 ) >> 4 << 4;
2800
2801     p_image = XvShmCreateImage( p_display, i_xvport, i_chroma, 0,
2802                                 i_width, i_height, p_shm );
2803 #elif defined(MODULE_NAME_IS_xvmc)
2804     p_image = XvShmCreateImage( p_display, i_xvport, i_chroma, 0,
2805                                 i_width, i_height, p_shm );
2806 #else
2807     p_image = XShmCreateImage( p_display, p_visual, i_depth, ZPixmap, 0,
2808                                p_shm, i_width, i_height );
2809 #endif
2810     if( p_image == NULL )
2811     {
2812         msg_Err( p_vout, "image creation failed" );
2813         return NULL;
2814     }
2815
2816     /* Allocate shared memory segment - 0776 set the access permission
2817      * rights (like umask), they are not yet supported by all X servers */
2818     p_shm->shmid = shmget( IPC_PRIVATE, DATA_SIZE(p_image), IPC_CREAT | 0776 );
2819     if( p_shm->shmid < 0 )
2820     {
2821         msg_Err( p_vout, "cannot allocate shared image data (%m)" );
2822         IMAGE_FREE( p_image );
2823         return NULL;
2824     }
2825
2826     /* Attach shared memory segment to process (read/write) */
2827     p_shm->shmaddr = p_image->data = shmat( p_shm->shmid, 0, 0 );
2828     if(! p_shm->shmaddr )
2829     {
2830         msg_Err( p_vout, "cannot attach shared memory (%m)" );
2831         IMAGE_FREE( p_image );
2832         shmctl( p_shm->shmid, IPC_RMID, 0 );
2833         return NULL;
2834     }
2835
2836     /* Read-only data. We won't be using XShmGetImage */
2837     p_shm->readOnly = True;
2838
2839     /* Attach shared memory segment to X server */
2840     XSynchronize( p_display, True );
2841     i_shm_major = p_vout->p_sys->i_shm_opcode;
2842     result = XShmAttach( p_display, p_shm );
2843     if( result == False || !i_shm_major )
2844     {
2845         msg_Err( p_vout, "cannot attach shared memory to X server" );
2846         IMAGE_FREE( p_image );
2847         shmctl( p_shm->shmid, IPC_RMID, 0 );
2848         shmdt( p_shm->shmaddr );
2849         return NULL;
2850     }
2851     XSynchronize( p_display, False );
2852
2853     /* Send image to X server. This instruction is required, since having
2854      * built a Shm XImage and not using it causes an error on XCloseDisplay,
2855      * and remember NOT to use XFlush ! */
2856     XSync( p_display, False );
2857
2858 #if 0
2859     /* Mark the shm segment to be removed when there are no more
2860      * attachements, so it is automatic on process exit or after shmdt */
2861     shmctl( p_shm->shmid, IPC_RMID, 0 );
2862 #endif
2863
2864     return p_image;
2865 }
2866 #endif
2867
2868 /*****************************************************************************
2869  * CreateImage: create an XImage or XvImage
2870  *****************************************************************************
2871  * Create a simple image used as a buffer.
2872  *****************************************************************************/
2873 static IMAGE_TYPE * CreateImage( vout_thread_t *p_vout,
2874                                  Display *p_display, EXTRA_ARGS,
2875                                  int i_width, int i_height )
2876 {
2877     byte_t *    p_data;                           /* image data storage zone */
2878     IMAGE_TYPE *p_image;
2879 #ifdef MODULE_NAME_IS_x11
2880     int         i_quantum;                     /* XImage quantum (see below) */
2881     int         i_bytes_per_line;
2882 #endif
2883
2884     /* Allocate memory for image */
2885 #ifdef MODULE_NAME_IS_xvideo
2886
2887     /* Make sure the buffer is aligned to multiple of 16 */
2888     i_height = ( i_height + 15 ) >> 4 << 4;
2889     i_width = ( i_width + 15 ) >> 4 << 4;
2890
2891     p_data = (byte_t *) malloc( i_width * i_height * i_bits_per_pixel / 8 );
2892 #elif defined(MODULE_NAME_IS_x11)
2893     i_bytes_per_line = i_width * i_bytes_per_pixel;
2894     p_data = (byte_t *) malloc( i_bytes_per_line * i_height );
2895 #endif
2896     if( !p_data )
2897     {
2898         msg_Err( p_vout, "out of memory" );
2899         return NULL;
2900     }
2901
2902 #ifdef MODULE_NAME_IS_x11
2903     /* Optimize the quantum of a scanline regarding its size - the quantum is
2904        a diviser of the number of bits between the start of two scanlines. */
2905     if( i_bytes_per_line & 0xf )
2906     {
2907         i_quantum = 0x8;
2908     }
2909     else if( i_bytes_per_line & 0x10 )
2910     {
2911         i_quantum = 0x10;
2912     }
2913     else
2914     {
2915         i_quantum = 0x20;
2916     }
2917 #endif
2918
2919     /* Create XImage. p_data will be automatically freed */
2920 #ifdef MODULE_NAME_IS_xvideo
2921     p_image = XvCreateImage( p_display, i_xvport, i_chroma,
2922                              (char *)p_data, i_width, i_height );
2923 #elif defined(MODULE_NAME_IS_x11)
2924     p_image = XCreateImage( p_display, p_visual, i_depth, ZPixmap, 0,
2925                             (char *)p_data, i_width, i_height, i_quantum, 0 );
2926 #endif
2927     if( p_image == NULL )
2928     {
2929         msg_Err( p_vout, "XCreateImage() failed" );
2930         free( p_data );
2931         return NULL;
2932     }
2933
2934     return p_image;
2935 }
2936
2937 /*****************************************************************************
2938  * X11ErrorHandler: replace error handler so we can intercept some of them
2939  *****************************************************************************/
2940 static int X11ErrorHandler( Display * display, XErrorEvent * event )
2941 {
2942     char txt[1024];
2943
2944     XGetErrorText( display, event->error_code, txt, sizeof( txt ) );
2945     fprintf( stderr,
2946              "[????????] x11 video output error: X11 request %u.%u failed "
2947               "with error code %u:\n %s\n",
2948              event->request_code, event->minor_code, event->error_code, txt );
2949
2950     switch( event->request_code )
2951     {
2952     case X_SetInputFocus:
2953         /* Ignore errors on XSetInputFocus()
2954          * (they happen when a window is not yet mapped) */
2955         return 0;
2956     }
2957
2958     if( event->request_code == i_shm_major ) /* MIT-SHM */
2959         return i_shm_major = 0;
2960
2961     XSetErrorHandler(NULL);
2962     return (XSetErrorHandler(X11ErrorHandler))( display, event );
2963 }
2964
2965 #ifdef MODULE_NAME_IS_x11
2966 /*****************************************************************************
2967  * SetPalette: sets an 8 bpp palette
2968  *****************************************************************************
2969  * This function sets the palette given as an argument. It does not return
2970  * anything, but could later send information on which colors it was unable
2971  * to set.
2972  *****************************************************************************/
2973 static void SetPalette( vout_thread_t *p_vout,
2974                         uint16_t *red, uint16_t *green, uint16_t *blue )
2975 {
2976     int i;
2977     XColor p_colors[255];
2978
2979     /* allocate palette */
2980     for( i = 0; i < 255; i++ )
2981     {
2982         /* kludge: colors are indexed reversely because color 255 seems
2983          * to be reserved for black even if we try to set it to white */
2984         p_colors[ i ].pixel = 255 - i;
2985         p_colors[ i ].pad   = 0;
2986         p_colors[ i ].flags = DoRed | DoGreen | DoBlue;
2987         p_colors[ i ].red   = red[ 255 - i ];
2988         p_colors[ i ].blue  = blue[ 255 - i ];
2989         p_colors[ i ].green = green[ 255 - i ];
2990     }
2991
2992     XStoreColors( p_vout->p_sys->p_display,
2993                   p_vout->p_sys->colormap, p_colors, 255 );
2994 }
2995 #endif
2996
2997 /*****************************************************************************
2998  * Control: control facility for the vout
2999  *****************************************************************************/
3000 static int Control( vout_thread_t *p_vout, int i_query, va_list args )
3001 {
3002     vlc_bool_t b_arg;
3003     unsigned int i_width, i_height;
3004     unsigned int *pi_width, *pi_height;
3005     Drawable d = 0;
3006
3007     switch( i_query )
3008     {
3009         case VOUT_GET_SIZE:
3010             if( p_vout->p_sys->p_win->owner_window )
3011                 return vout_ControlWindow( p_vout,
3012                     (void *)p_vout->p_sys->p_win->owner_window, i_query, args);
3013
3014             pi_width  = va_arg( args, unsigned int * );
3015             pi_height = va_arg( args, unsigned int * );
3016
3017             vlc_mutex_lock( &p_vout->p_sys->lock );
3018             *pi_width  = p_vout->p_sys->p_win->i_width;
3019             *pi_height = p_vout->p_sys->p_win->i_height;
3020             vlc_mutex_unlock( &p_vout->p_sys->lock );
3021             return VLC_SUCCESS;
3022
3023         case VOUT_SET_SIZE:
3024             if( p_vout->p_sys->p_win->owner_window )
3025                 return vout_ControlWindow( p_vout,
3026                     (void *)p_vout->p_sys->p_win->owner_window, i_query, args);
3027
3028             vlc_mutex_lock( &p_vout->p_sys->lock );
3029
3030             i_width  = va_arg( args, unsigned int );
3031             i_height = va_arg( args, unsigned int );
3032             if( !i_width ) i_width = p_vout->i_window_width;
3033             if( !i_height ) i_height = p_vout->i_window_height;
3034
3035 #ifdef MODULE_NAME_IS_xvmc
3036             xvmc_context_reader_lock( &p_vout->p_sys->xvmc_lock );
3037 #endif
3038             /* Update dimensions */
3039             XResizeWindow( p_vout->p_sys->p_display,
3040                            p_vout->p_sys->p_win->base_window,
3041                            i_width, i_height );
3042 #ifdef MODULE_NAME_IS_xvmc
3043             xvmc_context_reader_unlock( &p_vout->p_sys->xvmc_lock );
3044 #endif
3045             vlc_mutex_unlock( &p_vout->p_sys->lock );
3046             return VLC_SUCCESS;
3047
3048        case VOUT_CLOSE:
3049             vlc_mutex_lock( &p_vout->p_sys->lock );
3050             XUnmapWindow( p_vout->p_sys->p_display,
3051                           p_vout->p_sys->original_window.base_window );
3052             vlc_mutex_unlock( &p_vout->p_sys->lock );
3053             /* Fall through */
3054
3055        case VOUT_REPARENT:
3056             vlc_mutex_lock( &p_vout->p_sys->lock );
3057             if( i_query == VOUT_REPARENT ) d = (Drawable)va_arg( args, int );
3058             if( !d )
3059 #ifdef MODULE_NAME_IS_xvmc
3060             xvmc_context_reader_lock( &p_vout->p_sys->xvmc_lock );
3061 #endif
3062             XReparentWindow( p_vout->p_sys->p_display,
3063                              p_vout->p_sys->original_window.base_window,
3064                              DefaultRootWindow( p_vout->p_sys->p_display ),
3065                              0, 0 );
3066             else
3067             XReparentWindow( p_vout->p_sys->p_display,
3068                              p_vout->p_sys->original_window.base_window,
3069                              d, 0, 0);
3070             XSync( p_vout->p_sys->p_display, False );
3071             p_vout->p_sys->original_window.owner_window = 0;
3072 #ifdef MODULE_NAME_IS_xvmc
3073             xvmc_context_reader_unlock( &p_vout->p_sys->xvmc_lock );
3074 #endif
3075             vlc_mutex_unlock( &p_vout->p_sys->lock );
3076             return vout_vaControlDefault( p_vout, i_query, args );
3077
3078         case VOUT_SET_STAY_ON_TOP:
3079             if( p_vout->p_sys->p_win->owner_window )
3080                 return vout_ControlWindow( p_vout,
3081                     (void *)p_vout->p_sys->p_win->owner_window, i_query, args);
3082
3083             b_arg = va_arg( args, vlc_bool_t );
3084             vlc_mutex_lock( &p_vout->p_sys->lock );
3085 #ifdef MODULE_NAME_IS_xvmc
3086             xvmc_context_reader_lock( &p_vout->p_sys->xvmc_lock );
3087 #endif
3088             WindowOnTop( p_vout, b_arg );
3089 #ifdef MODULE_NAME_IS_xvmc
3090             xvmc_context_reader_unlock( &p_vout->p_sys->xvmc_lock );
3091 #endif
3092             vlc_mutex_unlock( &p_vout->p_sys->lock );
3093             return VLC_SUCCESS;
3094
3095        default:
3096             return vout_vaControlDefault( p_vout, i_query, args );
3097     }
3098 }
3099
3100 /*****************************************************************************
3101  * TestNetWMSupport: tests for Extended Window Manager Hints support
3102  *****************************************************************************/
3103 static void TestNetWMSupport( vout_thread_t *p_vout )
3104 {
3105     int i_ret, i_format;
3106     unsigned long i, i_items, i_bytesafter;
3107     Atom net_wm_supported;
3108     union { Atom *p_atom; unsigned char *p_char; } p_args;
3109
3110     p_args.p_atom = NULL;
3111
3112     p_vout->p_sys->b_net_wm_state_fullscreen = VLC_FALSE;
3113     p_vout->p_sys->b_net_wm_state_above = VLC_FALSE;
3114     p_vout->p_sys->b_net_wm_state_below = VLC_FALSE;
3115     p_vout->p_sys->b_net_wm_state_stays_on_top = VLC_FALSE;
3116
3117     net_wm_supported =
3118         XInternAtom( p_vout->p_sys->p_display, "_NET_SUPPORTED", False );
3119
3120     i_ret = XGetWindowProperty( p_vout->p_sys->p_display,
3121                                 DefaultRootWindow( p_vout->p_sys->p_display ),
3122                                 net_wm_supported,
3123                                 0, 16384, False, AnyPropertyType,
3124                                 &net_wm_supported,
3125                                 &i_format, &i_items, &i_bytesafter,
3126                                 (unsigned char **)&p_args );
3127
3128     if( i_ret != Success || i_items == 0 ) return;
3129
3130     msg_Dbg( p_vout, "Window manager supports NetWM" );
3131
3132     p_vout->p_sys->net_wm_state =
3133         XInternAtom( p_vout->p_sys->p_display, "_NET_WM_STATE", False );
3134     p_vout->p_sys->net_wm_state_fullscreen =
3135         XInternAtom( p_vout->p_sys->p_display, "_NET_WM_STATE_FULLSCREEN",
3136                      False );
3137     p_vout->p_sys->net_wm_state_above =
3138         XInternAtom( p_vout->p_sys->p_display, "_NET_WM_STATE_ABOVE", False );
3139     p_vout->p_sys->net_wm_state_below =
3140         XInternAtom( p_vout->p_sys->p_display, "_NET_WM_STATE_BELOW", False );
3141     p_vout->p_sys->net_wm_state_stays_on_top =
3142         XInternAtom( p_vout->p_sys->p_display, "_NET_WM_STATE_STAYS_ON_TOP",
3143                      False );
3144
3145     for( i = 0; i < i_items; i++ )
3146     {
3147         if( p_args.p_atom[i] == p_vout->p_sys->net_wm_state_fullscreen )
3148         {
3149             msg_Dbg( p_vout,
3150                      "Window manager supports _NET_WM_STATE_FULLSCREEN" );
3151             p_vout->p_sys->b_net_wm_state_fullscreen = VLC_TRUE;
3152         }
3153         else if( p_args.p_atom[i] == p_vout->p_sys->net_wm_state_above )
3154         {
3155             msg_Dbg( p_vout, "Window manager supports _NET_WM_STATE_ABOVE" );
3156             p_vout->p_sys->b_net_wm_state_above = VLC_TRUE;
3157         }
3158         else if( p_args.p_atom[i] == p_vout->p_sys->net_wm_state_below )
3159         {
3160             msg_Dbg( p_vout, "Window manager supports _NET_WM_STATE_BELOW" );
3161             p_vout->p_sys->b_net_wm_state_below = VLC_TRUE;
3162         }
3163         else if( p_args.p_atom[i] == p_vout->p_sys->net_wm_state_stays_on_top )
3164         {
3165             msg_Dbg( p_vout,
3166                      "Window manager supports _NET_WM_STATE_STAYS_ON_TOP" );
3167             p_vout->p_sys->b_net_wm_state_stays_on_top = VLC_TRUE;
3168         }
3169     }
3170
3171     XFree( p_args.p_atom );
3172 }
3173
3174 /*****************************************************************************
3175  * Key events handling
3176  *****************************************************************************/
3177 static struct
3178 {
3179     int i_x11key;
3180     int i_vlckey;
3181
3182 } x11keys_to_vlckeys[] =
3183 {
3184     { XK_F1, KEY_F1 }, { XK_F2, KEY_F2 }, { XK_F3, KEY_F3 }, { XK_F4, KEY_F4 },
3185     { XK_F5, KEY_F5 }, { XK_F6, KEY_F6 }, { XK_F7, KEY_F7 }, { XK_F8, KEY_F8 },
3186     { XK_F9, KEY_F9 }, { XK_F10, KEY_F10 }, { XK_F11, KEY_F11 },
3187     { XK_F12, KEY_F12 },
3188
3189     { XK_Return, KEY_ENTER },
3190     { XK_KP_Enter, KEY_ENTER },
3191     { XK_space, KEY_SPACE },
3192     { XK_Escape, KEY_ESC },
3193
3194     { XK_Menu, KEY_MENU },
3195     { XK_Left, KEY_LEFT },
3196     { XK_Right, KEY_RIGHT },
3197     { XK_Up, KEY_UP },
3198     { XK_Down, KEY_DOWN },
3199
3200     { XK_Home, KEY_HOME },
3201     { XK_End, KEY_END },
3202     { XK_Page_Up, KEY_PAGEUP },
3203     { XK_Page_Down, KEY_PAGEDOWN },
3204
3205     { XK_Insert, KEY_INSERT },
3206     { XK_Delete, KEY_DELETE },
3207     { XF86XK_AudioNext, KEY_MEDIA_NEXT_TRACK},
3208     { XF86XK_AudioPrev, KEY_MEDIA_PREV_TRACK},
3209     { XF86XK_AudioMute, KEY_VOLUME_MUTE },
3210     { XF86XK_AudioLowerVolume, KEY_VOLUME_DOWN },
3211     { XF86XK_AudioRaiseVolume, KEY_VOLUME_UP },
3212     { XF86XK_AudioPlay, KEY_MEDIA_PLAY_PAUSE },
3213     { XF86XK_AudioPause, KEY_MEDIA_PLAY_PAUSE },
3214
3215     { 0, 0 }
3216 };
3217
3218 static int ConvertKey( int i_key )
3219 {
3220     int i;
3221
3222     for( i = 0; x11keys_to_vlckeys[i].i_x11key != 0; i++ )
3223     {
3224         if( x11keys_to_vlckeys[i].i_x11key == i_key )
3225         {
3226             return x11keys_to_vlckeys[i].i_vlckey;
3227         }
3228     }
3229
3230     return 0;
3231 }
3232
3233 /*****************************************************************************
3234  * WindowOnTop: Switches the "always on top" state of the video window.
3235  *****************************************************************************/
3236 static int WindowOnTop( vout_thread_t *p_vout, vlc_bool_t b_on_top )
3237 {
3238     if( p_vout->p_sys->b_net_wm_state_stays_on_top )
3239     {
3240         XClientMessageEvent event;
3241
3242         memset( &event, 0, sizeof( XClientMessageEvent ) );
3243
3244         event.type = ClientMessage;
3245         event.message_type = p_vout->p_sys->net_wm_state;
3246         event.display = p_vout->p_sys->p_display;
3247         event.window = p_vout->p_sys->p_win->base_window;
3248         event.format = 32;
3249         event.data.l[ 0 ] = b_on_top; /* set property */
3250         event.data.l[ 1 ] = p_vout->p_sys->net_wm_state_stays_on_top;
3251
3252         XSendEvent( p_vout->p_sys->p_display,
3253                     DefaultRootWindow( p_vout->p_sys->p_display ),
3254                     False, SubstructureRedirectMask,
3255                     (XEvent*)&event );
3256     }
3257
3258     /* use _NET_WM_STATE_ABOVE if window manager
3259      * doesn't handle _NET_WM_STATE_STAYS_ON_TOP */
3260     else if( p_vout->p_sys->b_net_wm_state_above )
3261     {
3262         XClientMessageEvent event;
3263
3264         memset( &event, 0, sizeof( XClientMessageEvent ) );
3265
3266         event.type = ClientMessage;
3267         event.message_type = p_vout->p_sys->net_wm_state;
3268         event.display = p_vout->p_sys->p_display;
3269         event.window = p_vout->p_sys->p_win->base_window;
3270         event.format = 32;
3271         event.data.l[ 0 ] = b_on_top; /* set property */
3272         event.data.l[ 1 ] = p_vout->p_sys->net_wm_state_above;
3273
3274         XSendEvent( p_vout->p_sys->p_display,
3275                     DefaultRootWindow( p_vout->p_sys->p_display ),
3276                     False, SubstructureRedirectMask,
3277                     (XEvent*)&event );
3278     }
3279
3280     return VLC_SUCCESS;
3281 }