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

   1 /*****************************************************************************
   2  * xcommon.c: Functions common to the X11 and XVideo plugins
   3  *****************************************************************************
   4  * Copyright (C) 1998-2006 the VideoLAN team
   5  * $Id$
   6  *
   7  * Authors: Vincent Seguin <seguin@via.ecp.fr>
   8  *          Sam Hocevar <sam@zoy.org>
   9  *          David Kennedy <dkennedy@tinytoad.com>
  10  *          Gildas Bazin <gbazin@videolan.org>
  11  *
  12  * This program is free software; you can redistribute it and/or modify
  13  * it under the terms of the GNU General Public License as published by
  14  * the Free Software Foundation; either version 2 of the License, or
  15  * (at your option) any later version.
  16  *
  17  * This program is distributed in the hope that it will be useful,
  18  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  19  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  20  * GNU General Public License for more details.
  21  *
  22  * You should have received a copy of the GNU General Public License
  23  * along with this program; if not, write to the Free Software
  24  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
  25  *****************************************************************************/
  26
  27 /*****************************************************************************
  28  * Preamble
  29  *****************************************************************************/
  30 #ifdef HAVE_CONFIG_H
  31 # include "config.h"
  32 #endif
  33
  34 #include <vlc_common.h>
  35 #include <vlc_interface.h>
  36 #include <vlc_playlist.h>
  37 #include <vlc_vout.h>
  38 #include <vlc_window.h>
  39 #include <vlc_keys.h>
  40
  41 #include <errno.h>                                                 /* ENOMEM */
  42
  43 #ifdef HAVE_MACHINE_PARAM_H
  44     /* BSD */
  45 #   include <machine/param.h>
  46 #   include <sys/types.h>                                  /* typedef ushort */
  47 #   include <sys/ipc.h>
  48 #endif
  49
  50 #ifndef WIN32
  51 #   include <netinet/in.h>                            /* BSD: struct in_addr */
  52 #endif
  53
  54 #ifdef HAVE_XSP
  55 #include <X11/extensions/Xsp.h>
  56 #endif
  57
  58 #ifdef HAVE_SYS_SHM_H
  59 #   include <sys/shm.h>                                /* shmget(), shmctl() */
  60 #endif
  61
  62 #include <X11/Xlib.h>
  63 #include <X11/Xproto.h>
  64 #include <X11/Xmd.h>
  65 #include <X11/Xutil.h>
  66 #include <X11/keysym.h>
  67 #include <X11/XF86keysym.h>
  68 #ifdef HAVE_SYS_SHM_H
  69 #   include <X11/extensions/XShm.h>
  70 #endif
  71 #ifdef DPMSINFO_IN_DPMS_H
  72 #   include <X11/extensions/dpms.h>
  73 #endif
  74
  75 #if defined(MODULE_NAME_IS_xvideo) || defined(MODULE_NAME_IS_xvmc)
  76 #   include <X11/extensions/Xv.h>
  77 #   include <X11/extensions/Xvlib.h>
  78 #endif
  79
  80 #ifdef MODULE_NAME_IS_glx
  81 #   include <GL/glx.h>
  82 #endif
  83
  84 #ifdef HAVE_XINERAMA
  85 #   include <X11/extensions/Xinerama.h>
  86 #endif
  87
  88 #ifdef HAVE_X11_EXTENSIONS_XF86VMODE_H
  89 #   include <X11/extensions/xf86vmode.h>
  90 #endif
  91
  92 #ifdef MODULE_NAME_IS_xvmc
  93 #   include <X11/extensions/vldXvMC.h>
  94 #   include "../../codec/xvmc/accel_xvmc.h"
  95 #endif
  96
  97 #include "xcommon.h"
  98
  99 /*****************************************************************************
 100  * Local prototypes
 101  *****************************************************************************/
 102 int  Activate   ( vlc_object_t * );
 103 void Deactivate ( vlc_object_t * );
 104
 105 static int  InitVideo      ( vout_thread_t * );
 106 static void EndVideo       ( vout_thread_t * );
 107 static void DisplayVideo   ( vout_thread_t *, picture_t * );
 108 static int  ManageVideo    ( vout_thread_t * );
 109 static int  Control        ( vout_thread_t *, int, va_list );
 110
 111 static int  InitDisplay    ( vout_thread_t * );
 112
 113 static int  CreateWindow   ( vout_thread_t *, x11_window_t * );
 114 static void DestroyWindow  ( vout_thread_t *, x11_window_t * );
 115
 116 static int  NewPicture     ( vout_thread_t *, picture_t * );
 117 static void FreePicture    ( vout_thread_t *, picture_t * );
 118
 119 #ifndef MODULE_NAME_IS_glx
 120 static IMAGE_TYPE *CreateImage    ( vout_thread_t *,
 121                                     Display *, EXTRA_ARGS, int, int );
 122 #endif
 123
 124 #ifdef HAVE_SYS_SHM_H
 125 #ifndef MODULE_NAME_IS_glx
 126 IMAGE_TYPE *CreateShmImage ( vout_thread_t *,
 127                                     Display *, EXTRA_ARGS_SHM, int, int );
 128 #endif
 129 static int i_shm_major = 0;
 130 #endif
 131
 132 static void ToggleFullScreen      ( vout_thread_t * );
 133
 134 static void EnableXScreenSaver    ( vout_thread_t * );
 135 static void DisableXScreenSaver   ( vout_thread_t * );
 136
 137 static void CreateCursor   ( vout_thread_t * );
 138 static void DestroyCursor  ( vout_thread_t * );
 139 static void ToggleCursor   ( vout_thread_t * );
 140
 141 #if defined(MODULE_NAME_IS_xvideo) || defined(MODULE_NAME_IS_xvmc)
 142 static int  XVideoGetPort    ( vout_thread_t *, vlc_fourcc_t, picture_heap_t * );
 143 static void XVideoReleasePort( vout_thread_t *, int );
 144 #endif
 145
 146 #ifdef MODULE_NAME_IS_x11
 147 static void SetPalette     ( vout_thread_t *,
 148                              uint16_t *, uint16_t *, uint16_t * );
 149 #endif
 150
 151 #ifdef MODULE_NAME_IS_xvmc
 152 static void RenderVideo    ( vout_thread_t *, picture_t * );
 153 static int  xvmc_check_yv12( Display *display, XvPortID port );
 154 static void xvmc_update_XV_DOUBLE_BUFFER( vout_thread_t *p_vout );
 155 #endif
 156
 157 static void TestNetWMSupport( vout_thread_t * );
 158 static int ConvertKey( int );
 159
 160 static int WindowOnTop( vout_thread_t *, bool );
 161
 162 static int X11ErrorHandler( Display *, XErrorEvent * );
 163
 164 #ifdef HAVE_XSP
 165 static void EnablePixelDoubling( vout_thread_t *p_vout );
 166 static void DisablePixelDoubling( vout_thread_t *p_vout );
 167 #endif
 168
 169 #ifdef HAVE_OSSO
 170 static const int i_backlight_on_interval = 300;
 171 #endif
 172
 173
 174
 175 /*****************************************************************************
 176  * Activate: allocate X11 video thread output method
 177  *****************************************************************************
 178  * This function allocate and initialize a X11 vout method. It uses some of the
 179  * vout properties to choose the window size, and change them according to the
 180  * actual properties of the display.
 181  *****************************************************************************/
 182 int Activate ( vlc_object_t *p_this )
 183 {
 184     vout_thread_t *p_vout = (vout_thread_t *)p_this;
 185     char *        psz_display;
 186     vlc_value_t   val;
 187 #if defined(MODULE_NAME_IS_xvmc)
 188     char *psz_value;
 189 #endif
 190 #if defined(MODULE_NAME_IS_xvideo) || defined(MODULE_NAME_IS_xvmc)
 191     char *       psz_chroma;
 192     vlc_fourcc_t i_chroma = 0;
 193     bool   b_chroma = 0;
 194 #endif
 195
 196     p_vout->pf_init = InitVideo;
 197     p_vout->pf_end = EndVideo;
 198     p_vout->pf_manage = ManageVideo;
 199 #ifdef MODULE_NAME_IS_xvmc
 200     p_vout->pf_render = RenderVideo;
 201 #else
 202     p_vout->pf_render = NULL;
 203 #endif
 204     p_vout->pf_display = DisplayVideo;
 205     p_vout->pf_control = Control;
 206
 207     /* Allocate structure */
 208     p_vout->p_sys = malloc( sizeof( vout_sys_t ) );
 209     if( p_vout->p_sys == NULL )
 210         return VLC_ENOMEM;
 211
 212     vlc_mutex_init( &p_vout->p_sys->lock );
 213
 214     /* key and mouse event handling */
 215     p_vout->p_sys->i_vout_event = var_CreateGetInteger( p_vout, "vout-event" );
 216
 217     /* Open display, using the "display" config variable or the DISPLAY
 218      * environment variable */
 219     psz_display = config_GetPsz( p_vout, MODULE_STRING "-display" );
 220
 221     p_vout->p_sys->p_display = XOpenDisplay( psz_display );
 222
 223     if( p_vout->p_sys->p_display == NULL )                         /* error */
 224     {
 225         msg_Err( p_vout, "cannot open display %s",
 226                          XDisplayName( psz_display ) );
 227         free( p_vout->p_sys );
 228         free( psz_display );
 229         return VLC_EGENERIC;
 230     }
 231     free( psz_display );
 232
 233     /* Replace error handler so we can intercept some non-fatal errors */
 234     XSetErrorHandler( X11ErrorHandler );
 235
 236     /* Get a screen ID matching the XOpenDisplay return value */
 237     p_vout->p_sys->i_screen = DefaultScreen( p_vout->p_sys->p_display );
 238
 239 #if defined(MODULE_NAME_IS_xvideo) || defined(MODULE_NAME_IS_xvmc)
 240     psz_chroma = config_GetPsz( p_vout, "xvideo-chroma" );
 241     if( psz_chroma )
 242     {
 243         if( strlen( psz_chroma ) >= 4 )
 244         {
 245             /* Do not use direct assignment because we are not sure of the
 246              * alignment. */
 247             memcpy(&i_chroma, psz_chroma, 4);
 248             b_chroma = 1;
 249         }
 250
 251         free( psz_chroma );
 252     }
 253
 254     if( b_chroma )
 255     {
 256         msg_Dbg( p_vout, "forcing chroma 0x%.8x (%4.4s)",
 257                  i_chroma, (char*)&i_chroma );
 258     }
 259     else
 260     {
 261         i_chroma = p_vout->render.i_chroma;
 262     }
 263
 264     /* Check that we have access to an XVideo port providing this chroma */
 265     p_vout->p_sys->i_xvport = XVideoGetPort( p_vout, VLC2X11_FOURCC(i_chroma),
 266                                              &p_vout->output );
 267     if( p_vout->p_sys->i_xvport < 0 )
 268     {
 269         /* If a specific chroma format was requested, then we don't try to
 270          * be cleverer than the user. He knew pretty well what he wanted. */
 271         if( b_chroma )
 272         {
 273             XCloseDisplay( p_vout->p_sys->p_display );
 274             free( p_vout->p_sys );
 275             return VLC_EGENERIC;
 276         }
 277
 278         /* It failed, but it's not completely lost ! We try to open an
 279          * XVideo port for an YUY2 picture. We'll need to do an YUV
 280          * conversion, but at least it has got scaling. */
 281         p_vout->p_sys->i_xvport =
 282                         XVideoGetPort( p_vout, X11_FOURCC('Y','U','Y','2'),
 283                                                &p_vout->output );
 284         if( p_vout->p_sys->i_xvport < 0 )
 285         {
 286             /* It failed, but it's not completely lost ! We try to open an
 287              * XVideo port for a simple 16bpp RGB picture. We'll need to do
 288              * an YUV conversion, but at least it has got scaling. */
 289             p_vout->p_sys->i_xvport =
 290                             XVideoGetPort( p_vout, X11_FOURCC('R','V','1','6'),
 291                                                    &p_vout->output );
 292             if( p_vout->p_sys->i_xvport < 0 )
 293             {
 294                 XCloseDisplay( p_vout->p_sys->p_display );
 295                 free( p_vout->p_sys );
 296                 return VLC_EGENERIC;
 297             }
 298         }
 299     }
 300     p_vout->output.i_chroma = X112VLC_FOURCC(p_vout->output.i_chroma);
 301 #elif defined(MODULE_NAME_IS_glx)
 302     {
 303         int i_opcode, i_evt, i_err = 0;
 304         int i_maj, i_min = 0;
 305
 306         /* Check for GLX extension */
 307         if( !XQueryExtension( p_vout->p_sys->p_display, "GLX",
 308                               &i_opcode, &i_evt, &i_err ) )
 309         {
 310             msg_Err( p_this, "GLX extension not supported" );
 311             XCloseDisplay( p_vout->p_sys->p_display );
 312             free( p_vout->p_sys );
 313             return VLC_EGENERIC;
 314         }
 315         if( !glXQueryExtension( p_vout->p_sys->p_display, &i_err, &i_evt ) )
 316         {
 317             msg_Err( p_this, "glXQueryExtension failed" );
 318             XCloseDisplay( p_vout->p_sys->p_display );
 319             free( p_vout->p_sys );
 320             return VLC_EGENERIC;
 321         }
 322
 323         /* Check GLX version */
 324         if (!glXQueryVersion( p_vout->p_sys->p_display, &i_maj, &i_min ) )
 325         {
 326             msg_Err( p_this, "glXQueryVersion failed" );
 327             XCloseDisplay( p_vout->p_sys->p_display );
 328             free( p_vout->p_sys );
 329             return VLC_EGENERIC;
 330         }
 331         if( i_maj <= 0 || ((i_maj == 1) && (i_min < 3)) )
 332         {
 333             p_vout->p_sys->b_glx13 = false;
 334             msg_Dbg( p_this, "using GLX 1.2 API" );
 335         }
 336         else
 337         {
 338             p_vout->p_sys->b_glx13 = true;
 339             msg_Dbg( p_this, "using GLX 1.3 API" );
 340         }
 341     }
 342 #endif
 343
 344     /* Create blank cursor (for mouse cursor autohiding) */
 345     p_vout->p_sys->i_time_mouse_last_moved = mdate();
 346     p_vout->p_sys->i_mouse_hide_timeout =
 347         var_GetInteger(p_vout, "mouse-hide-timeout") * 1000;
 348     p_vout->p_sys->b_mouse_pointer_visible = 1;
 349     CreateCursor( p_vout );
 350
 351     /* Set main window's size */
 352     p_vout->p_sys->original_window.i_width = p_vout->i_window_width;
 353     p_vout->p_sys->original_window.i_height = p_vout->i_window_height;
 354     var_Create( p_vout, "video-title", VLC_VAR_STRING | VLC_VAR_DOINHERIT );
 355     /* Spawn base window - this window will include the video output window,
 356      * but also command buttons, subtitles and other indicators */
 357     if( CreateWindow( p_vout, &p_vout->p_sys->original_window ) )
 358     {
 359         msg_Err( p_vout, "cannot create X11 window" );
 360         DestroyCursor( p_vout );
 361         XCloseDisplay( p_vout->p_sys->p_display );
 362         free( p_vout->p_sys );
 363         return VLC_EGENERIC;
 364     }
 365
 366     /* Open and initialize device. */
 367     if( InitDisplay( p_vout ) )
 368     {
 369         msg_Err( p_vout, "cannot initialize X11 display" );
 370         DestroyCursor( p_vout );
 371         DestroyWindow( p_vout, &p_vout->p_sys->original_window );
 372         XCloseDisplay( p_vout->p_sys->p_display );
 373         free( p_vout->p_sys );
 374         return VLC_EGENERIC;
 375     }
 376
 377     /* Disable screen saver */
 378     DisableXScreenSaver( p_vout );
 379
 380     /* Misc init */
 381     p_vout->p_sys->b_altfullscreen = 0;
 382     p_vout->p_sys->i_time_button_last_pressed = 0;
 383
 384     TestNetWMSupport( p_vout );
 385
 386 #ifdef MODULE_NAME_IS_xvmc
 387     p_vout->p_sys->p_last_subtitle_save = NULL;
 388     psz_value = config_GetPsz( p_vout, "xvmc-deinterlace-mode" );
 389
 390     /* Look what method was requested */
 391     //var_Create( p_vout, "xvmc-deinterlace-mode", VLC_VAR_STRING );
 392     //var_Change( p_vout, "xvmc-deinterlace-mode", VLC_VAR_INHERITVALUE, &val, NULL );
 393     if( psz_value )
 394     {
 395         if( (strcmp(psz_value, "bob") == 0) ||
 396             (strcmp(psz_value, "blend") == 0) )
 397            p_vout->p_sys->xvmc_deinterlace_method = 2;
 398         else if (strcmp(psz_value, "discard") == 0)
 399            p_vout->p_sys->xvmc_deinterlace_method = 1;
 400         else
 401            p_vout->p_sys->xvmc_deinterlace_method = 0;
 402         free(psz_value );
 403     }
 404     else
 405         p_vout->p_sys->xvmc_deinterlace_method = 0;
 406
 407     /* Look what method was requested */
 408     //var_Create( p_vout, "xvmc-crop-style", VLC_VAR_STRING );
 409     //var_Change( p_vout, "xvmc-crop-style", VLC_VAR_INHERITVALUE, &val, NULL );
 410     psz_value = config_GetPsz( p_vout, "xvmc-crop-style" );
 411
 412     if( psz_value )
 413     {
 414         if( strncmp( psz_value, "eq", 2 ) == 0 )
 415            p_vout->p_sys->xvmc_crop_style = 1;
 416         else if( strncmp( psz_value, "4-16", 4 ) == 0)
 417            p_vout->p_sys->xvmc_crop_style = 2;
 418         else if( strncmp( psz_value, "16-4", 4 ) == 0)
 419            p_vout->p_sys->xvmc_crop_style = 3;
 420         else
 421            p_vout->p_sys->xvmc_crop_style = 0;
 422         free( psz_value );
 423     }
 424     else
 425         p_vout->p_sys->xvmc_crop_style = 0;
 426
 427     msg_Dbg(p_vout, "Deinterlace = %d", p_vout->p_sys->xvmc_deinterlace_method);
 428     msg_Dbg(p_vout, "Crop = %d", p_vout->p_sys->xvmc_crop_style);
 429
 430     if( checkXvMCCap( p_vout ) == VLC_EGENERIC )
 431     {
 432         msg_Err( p_vout, "no XVMC capability found" );
 433         Deactivate( p_vout );
 434         return VLC_EGENERIC;
 435     }
 436     subpicture_t sub_pic;
 437     sub_pic.p_sys = NULL;
 438     p_vout->p_sys->last_date = 0;
 439 #endif
 440
 441 #ifdef HAVE_XSP
 442     p_vout->p_sys->i_hw_scale = 1;
 443 #endif
 444
 445 #ifdef HAVE_OSSO
 446     p_vout->p_sys->i_backlight_on_counter = i_backlight_on_interval;
 447     p_vout->p_sys->p_octx = osso_initialize( "vlc", VERSION, 0, NULL );
 448     if ( p_vout->p_sys->p_octx == NULL ) {
 449         msg_Err( p_vout, "Could not get osso context" );
 450     } else {
 451         msg_Dbg( p_vout, "Initialized osso context" );
 452     }
 453 #endif
 454
 455     /* Variable to indicate if the window should be on top of others */
 456     /* Trigger a callback right now */
 457     var_Get( p_vout, "video-on-top", &val );
 458     var_Set( p_vout, "video-on-top", val );
 459
 460     return VLC_SUCCESS;
 461 }
 462
 463 /*****************************************************************************
 464  * Deactivate: destroy X11 video thread output method
 465  *****************************************************************************
 466  * Terminate an output method created by Open
 467  *****************************************************************************/
 468 void Deactivate ( vlc_object_t *p_this )
 469 {
 470     vout_thread_t *p_vout = (vout_thread_t *)p_this;
 471
 472     /* If the fullscreen window is still open, close it */
 473     if( p_vout->b_fullscreen )
 474     {
 475         ToggleFullScreen( p_vout );
 476     }
 477
 478     /* Restore cursor if it was blanked */
 479     if( !p_vout->p_sys->b_mouse_pointer_visible )
 480     {
 481         ToggleCursor( p_vout );
 482     }
 483
 484 #ifdef MODULE_NAME_IS_x11
 485     /* Destroy colormap */
 486     if( XDefaultDepth(p_vout->p_sys->p_display, p_vout->p_sys->i_screen) == 8 )
 487     {
 488         XFreeColormap( p_vout->p_sys->p_display, p_vout->p_sys->colormap );
 489     }
 490 #elif defined(MODULE_NAME_IS_xvideo)
 491     XVideoReleasePort( p_vout, p_vout->p_sys->i_xvport );
 492 #elif defined(MODULE_NAME_IS_xvmc)
 493     if( p_vout->p_sys->xvmc_cap )
 494     {
 495         xvmc_context_writer_lock( &p_vout->p_sys->xvmc_lock );
 496         xxmc_dispose_context( p_vout );
 497         if( p_vout->p_sys->old_subpic )
 498         {
 499             xxmc_xvmc_free_subpicture( p_vout, p_vout->p_sys->old_subpic );
 500             p_vout->p_sys->old_subpic = NULL;
 501         }
 502         if( p_vout->p_sys->new_subpic )
 503         {
 504             xxmc_xvmc_free_subpicture( p_vout, p_vout->p_sys->new_subpic );
 505             p_vout->p_sys->new_subpic = NULL;
 506         }
 507         free( p_vout->p_sys->xvmc_cap );
 508         xvmc_context_writer_unlock( &p_vout->p_sys->xvmc_lock );
 509     }
 510 #endif
 511
 512 #ifdef HAVE_XSP
 513     DisablePixelDoubling(p_vout);
 514 #endif
 515
 516     DestroyCursor( p_vout );
 517     EnableXScreenSaver( p_vout );
 518     DestroyWindow( p_vout, &p_vout->p_sys->original_window );
 519     XCloseDisplay( p_vout->p_sys->p_display );
 520
 521     /* Destroy structure */
 522     vlc_mutex_destroy( &p_vout->p_sys->lock );
 523 #ifdef MODULE_NAME_IS_xvmc
 524     free_context_lock( &p_vout->p_sys->xvmc_lock );
 525 #endif
 526
 527 #ifdef HAVE_OSSO
 528     if ( p_vout->p_sys->p_octx != NULL ) {
 529         msg_Dbg( p_vout, "Deinitializing osso context" );
 530         osso_deinitialize( p_vout->p_sys->p_octx );
 531     }
 532 #endif
 533
 534     free( p_vout->p_sys );
 535 }
 536
 537 #ifdef MODULE_NAME_IS_xvmc
 538
 539 #define XINE_IMGFMT_YV12 (('2'<<24)|('1'<<16)|('V'<<8)|'Y')
 540
 541 /* called xlocked */
 542 static int xvmc_check_yv12( Display *display, XvPortID port )
 543 {
 544     XvImageFormatValues *formatValues;
 545     int                  formats;
 546     int                  i;
 547
 548     formatValues = XvListImageFormats( display, port, &formats );
 549
 550     for( i = 0; i < formats; i++ )
 551     {
 552         if( ( formatValues[i].id == XINE_IMGFMT_YV12 ) &&
 553             ( !( strncmp( formatValues[i].guid, "YV12", 4 ) ) ) )
 554         {
 555             XFree (formatValues);
 556             return 0;
 557         }
 558     }
 559
 560     XFree (formatValues);
 561     return 1;
 562 }
 563
 564 static void xvmc_sync_surface( vout_thread_t *p_vout, XvMCSurface * srf )
 565 {
 566     XvMCSyncSurface( p_vout->p_sys->p_display, srf );
 567 }
 568
 569 static void xvmc_update_XV_DOUBLE_BUFFER( vout_thread_t *p_vout )
 570 {
 571     Atom         atom;
 572     int          xv_double_buffer;
 573
 574     xv_double_buffer = 1;
 575
 576     XLockDisplay( p_vout->p_sys->p_display );
 577     atom = XInternAtom( p_vout->p_sys->p_display, "XV_DOUBLE_BUFFER", False );
 578 #if 0
 579     XvSetPortAttribute (p_vout->p_sys->p_display, p_vout->p_sys->i_xvport, atom, xv_double_buffer);
 580 #endif
 581     XvMCSetAttribute( p_vout->p_sys->p_display, &p_vout->p_sys->context, atom, xv_double_buffer );
 582     XUnlockDisplay( p_vout->p_sys->p_display );
 583
 584     //xprintf(this->xine, XINE_VERBOSITY_DEBUG,
 585     //    "video_out_xxmc: double buffering mode = %d\n", xv_double_buffer);
 586 }
 587
 588 static void RenderVideo( vout_thread_t *p_vout, picture_t *p_pic )
 589 {
 590     vlc_xxmc_t *xxmc = NULL;
 591
 592     vlc_mutex_lock( &p_vout->p_sys->lock );
 593     xvmc_context_reader_lock( &p_vout->p_sys->xvmc_lock );
 594
 595     xxmc = &p_pic->p_sys->xxmc_data;
 596     if( (!xxmc->decoded ||
 597         !xxmc_xvmc_surface_valid( p_vout, p_pic->p_sys->xvmc_surf )) )
 598     {
 599         vlc_mutex_unlock( &p_vout->p_sys->lock );
 600         xvmc_context_reader_unlock( &p_vout->p_sys->xvmc_lock );
 601         return;
 602     }
 603
 604 #if 0
 605     vlc_mutex_lock( &p_vout->lastsubtitle_lock );
 606     if (p_vout->p_sys->p_last_subtitle != NULL)
 607     {
 608         if( p_vout->p_sys->p_last_subtitle_save != p_vout->p_sys->p_last_subtitle )
 609         {
 610             p_vout->p_sys->new_subpic =
 611                 xxmc_xvmc_alloc_subpicture( p_vout, &p_vout->p_sys->context,
 612                     p_vout->p_sys->xvmc_width,
 613                     p_vout->p_sys->xvmc_height,
 614                     p_vout->p_sys->xvmc_cap[p_vout->p_sys->xvmc_cur_cap].subPicType.id );
 615
 616             if (p_vout->p_sys->new_subpic)
 617             {
 618                 XVMCLOCKDISPLAY( p_vout->p_sys->p_display );
 619                 XvMCClearSubpicture( p_vout->p_sys->p_display,
 620                         p_vout->p_sys->new_subpic,
 621                         0,
 622                         0,
 623                         p_vout->p_sys->xvmc_width,
 624                         p_vout->p_sys->xvmc_height,
 625                         0x00 );
 626                 XVMCUNLOCKDISPLAY( p_vout->p_sys->p_display );
 627                 clear_xx44_palette( &p_vout->p_sys->palette );
 628
 629                 if( sub_pic.p_sys == NULL )
 630                 {
 631                     sub_pic.p_sys = malloc( sizeof( picture_sys_t ) );
 632                     if( sub_pic.p_sys != NULL )
 633                     {
 634                         sub_pic.p_sys->p_vout = p_vout;
 635                         sub_pic.p_sys->xvmc_surf = NULL;
 636                         sub_pic.p_sys->p_image = p_vout->p_sys->subImage;
 637                     }
 638                 }
 639                 sub_pic.p_sys->p_image = p_vout->p_sys->subImage;
 640                 sub_pic.p->p_pixels = sub_pic.p_sys->p_image->data;
 641                 sub_pic.p->i_pitch = p_vout->output.i_width;
 642
 643                 memset( p_vout->p_sys->subImage->data, 0,
 644                         (p_vout->p_sys->subImage->width * p_vout->p_sys->subImage->height) );
 645
 646                 if (p_vout->p_last_subtitle != NULL)
 647                 {
 648                     blend_xx44( p_vout->p_sys->subImage->data,
 649                                 p_vout->p_last_subtitle,
 650                                 p_vout->p_sys->subImage->width,
 651                                 p_vout->p_sys->subImage->height,
 652                                 p_vout->p_sys->subImage->width,
 653                                 &p_vout->p_sys->palette,
 654                                 (p_vout->p_sys->subImage->id == FOURCC_IA44) );
 655                 }
 656
 657                 XVMCLOCKDISPLAY( p_vout->p_sys->p_display );
 658                 XvMCCompositeSubpicture( p_vout->p_sys->p_display,
 659                                          p_vout->p_sys->new_subpic,
 660                                          p_vout->p_sys->subImage,
 661                                          0, /* overlay->x */
 662                                          0, /* overlay->y */
 663                                          p_vout->output.i_width, /* overlay->width, */
 664                                          p_vout->output.i_height, /* overlay->height */
 665                                          0, /* overlay->x */
 666                                          0 ); /*overlay->y */
 667                 XVMCUNLOCKDISPLAY( p_vout->p_sys->p_display );
 668                 if (p_vout->p_sys->old_subpic)
 669                 {
 670                     xxmc_xvmc_free_subpicture( p_vout,
 671                                                p_vout->p_sys->old_subpic);
 672                     p_vout->p_sys->old_subpic = NULL;
 673                 }
 674                 if (p_vout->p_sys->new_subpic)
 675                 {
 676                     p_vout->p_sys->old_subpic = p_vout->p_sys->new_subpic;
 677                     p_vout->p_sys->new_subpic = NULL;
 678                     xx44_to_xvmc_palette( &p_vout->p_sys->palette,
 679                             p_vout->p_sys->xvmc_palette,
 680                             0,
 681                             p_vout->p_sys->old_subpic->num_palette_entries,
 682                             p_vout->p_sys->old_subpic->entry_bytes,
 683                             p_vout->p_sys->old_subpic->component_order );
 684                     XVMCLOCKDISPLAY( p_vout->p_sys->p_display );
 685                     XvMCSetSubpicturePalette( p_vout->p_sys->p_display,
 686                                               p_vout->p_sys->old_subpic,
 687                                               p_vout->p_sys->xvmc_palette );
 688                     XvMCFlushSubpicture( p_vout->p_sys->p_display,
 689                                          p_vout->p_sys->old_subpic);
 690                     XvMCSyncSubpicture( p_vout->p_sys->p_display,
 691                                         p_vout->p_sys->old_subpic );
 692                     XVMCUNLOCKDISPLAY( p_vout->p_sys->p_display );
 693                 }
 694
 695                 XVMCLOCKDISPLAY( p_vout->p_sys->p_display);
 696                 if (p_vout->p_sys->xvmc_backend_subpic )
 697                 {
 698                     XvMCBlendSubpicture( p_vout->p_sys->p_display,
 699                                          p_pic->p_sys->xvmc_surf,
 700                                          p_vout->p_sys->old_subpic,
 701                                          0,
 702                                          0,
 703                                          p_vout->p_sys->xvmc_width,
 704                                          p_vout->p_sys->xvmc_height,
 705                                          0,
 706                                          0,
 707                                          p_vout->p_sys->xvmc_width,
 708                                          p_vout->p_sys->xvmc_height );
 709                 }
 710                 else
 711                 {
 712                     XvMCBlendSubpicture2( p_vout->p_sys->p_display,
 713                                           p_pic->p_sys->xvmc_surf,
 714                                           p_pic->p_sys->xvmc_surf,
 715                                           p_vout->p_sys->old_subpic,
 716                                           0,
 717                                           0,
 718                                           p_vout->p_sys->xvmc_width,
 719                                           p_vout->p_sys->xvmc_height,
 720                                           0,
 721                                           0,
 722                                           p_vout->p_sys->xvmc_width,
 723                                           p_vout->p_sys->xvmc_height );
 724                }
 725                XVMCUNLOCKDISPLAY(p_vout->p_sys->p_display);
 726             }
 727         }
 728         else
 729         {
 730             XVMCLOCKDISPLAY( p_vout->p_sys->p_display );
 731             if( p_vout->p_sys->xvmc_backend_subpic )
 732             {
 733                 XvMCBlendSubpicture( p_vout->p_sys->p_display,
 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             else
 744             {
 745                 XvMCBlendSubpicture2( p_vout->p_sys->p_display,
 746                                       p_pic->p_sys->xvmc_surf,
 747                                       p_pic->p_sys->xvmc_surf,
 748                                       p_vout->p_sys->old_subpic,
 749                                       0, 0,
 750                                       p_vout->p_sys->xvmc_width,
 751                                       p_vout->p_sys->xvmc_height,
 752                                       0, 0,
 753                                       p_vout->p_sys->xvmc_width,
 754                                       p_vout->p_sys->xvmc_height );
 755             }
 756             XVMCUNLOCKDISPLAY( p_vout->p_sys->p_display );
 757         }
 758     }
 759     p_vout->p_sys->p_last_subtitle_save = p_vout->p_last_subtitle;
 760
 761     vlc_mutex_unlock( &p_vout->lastsubtitle_lock );
 762 #endif
 763     xvmc_context_reader_unlock( &p_vout->p_sys->xvmc_lock );
 764
 765     vlc_mutex_unlock( &p_vout->p_sys->lock );
 766 }
 767 #endif
 768
 769 #ifdef HAVE_XSP
 770 /*****************************************************************************
 771  * EnablePixelDoubling: Enables pixel doubling
 772  *****************************************************************************
 773  * Checks if the double size image fits in current window, and enables pixel
 774  * doubling accordingly. The i_hw_scale is the integer scaling factor.
 775  *****************************************************************************/
 776 static void EnablePixelDoubling( vout_thread_t *p_vout )
 777 {
 778     int i_hor_scale = ( p_vout->p_sys->p_win->i_width ) / p_vout->render.i_width;
 779     int i_vert_scale =  ( p_vout->p_sys->p_win->i_height ) / p_vout->render.i_height;
 780     if ( ( i_hor_scale > 1 ) && ( i_vert_scale > 1 ) ) {
 781         p_vout->p_sys->i_hw_scale = 2;
 782         msg_Dbg( p_vout, "Enabling pixel doubling, scaling factor %d", p_vout->p_sys->i_hw_scale );
 783         XSPSetPixelDoubling( p_vout->p_sys->p_display, 0, 1 );
 784     }
 785 }
 786
 787 /*****************************************************************************
 788  * DisablePixelDoubling: Disables pixel doubling
 789  *****************************************************************************
 790  * The scaling factor i_hw_scale is reset to the no-scaling value 1.
 791  *****************************************************************************/
 792 static void DisablePixelDoubling( vout_thread_t *p_vout )
 793 {
 794     if ( p_vout->p_sys->i_hw_scale > 1 ) {
 795         msg_Dbg( p_vout, "Disabling pixel doubling" );
 796         XSPSetPixelDoubling( p_vout->p_sys->p_display, 0, 0 );
 797         p_vout->p_sys->i_hw_scale = 1;
 798     }
 799 }
 800 #endif
 801
 802
 803
 804 /*****************************************************************************
 805  * InitVideo: initialize X11 video thread output method
 806  *****************************************************************************
 807  * This function create the XImages needed by the output thread. It is called
 808  * at the beginning of the thread, but also each time the window is resized.
 809  *****************************************************************************/
 810 static int InitVideo( vout_thread_t *p_vout )
 811 {
 812     unsigned int i_index = 0;
 813     picture_t *p_pic;
 814
 815     I_OUTPUTPICTURES = 0;
 816
 817 #if defined(MODULE_NAME_IS_xvideo) || defined(MODULE_NAME_IS_xvmc)
 818     /* Initialize the output structure; we already found an XVideo port,
 819      * and the corresponding chroma we will be using. Since we can
 820      * arbitrary scale, stick to the coordinates and aspect. */
 821     p_vout->output.i_width  = p_vout->render.i_width;
 822     p_vout->output.i_height = p_vout->render.i_height;
 823     p_vout->output.i_aspect = p_vout->render.i_aspect;
 824
 825     p_vout->fmt_out = p_vout->fmt_in;
 826     p_vout->fmt_out.i_chroma = p_vout->output.i_chroma;
 827
 828 #if XvVersion < 2 || ( XvVersion == 2 && XvRevision < 2 )
 829     switch( p_vout->output.i_chroma )
 830     {
 831         case VLC_FOURCC('R','V','1','6'):
 832 #if defined( WORDS_BIGENDIAN )
 833             p_vout->output.i_rmask = 0xf800;
 834             p_vout->output.i_gmask = 0x07e0;
 835             p_vout->output.i_bmask = 0x001f;
 836 #else
 837             p_vout->output.i_rmask = 0x001f;
 838             p_vout->output.i_gmask = 0x07e0;
 839             p_vout->output.i_bmask = 0xf800;
 840 #endif
 841             break;
 842         case VLC_FOURCC('R','V','1','5'):
 843 #if defined( WORDS_BIGENDIAN )
 844             p_vout->output.i_rmask = 0x7c00;
 845             p_vout->output.i_gmask = 0x03e0;
 846             p_vout->output.i_bmask = 0x001f;
 847 #else
 848             p_vout->output.i_rmask = 0x001f;
 849             p_vout->output.i_gmask = 0x03e0;
 850             p_vout->output.i_bmask = 0x7c00;
 851 #endif
 852             break;
 853     }
 854 #endif
 855
 856 #elif defined(MODULE_NAME_IS_x11)
 857     /* Initialize the output structure: RGB with square pixels, whatever
 858      * the input format is, since it's the only format we know */
 859     switch( p_vout->p_sys->i_screen_depth )
 860     {
 861         case 8: /* FIXME: set the palette */
 862             p_vout->output.i_chroma = VLC_FOURCC('R','G','B','2'); break;
 863         case 15:
 864             p_vout->output.i_chroma = VLC_FOURCC('R','V','1','5'); break;
 865         case 16:
 866             p_vout->output.i_chroma = VLC_FOURCC('R','V','1','6'); break;
 867         case 24:
 868         case 32:
 869             p_vout->output.i_chroma = VLC_FOURCC('R','V','3','2'); break;
 870         default:
 871             msg_Err( p_vout, "unknown screen depth %i",
 872                      p_vout->p_sys->i_screen_depth );
 873             return VLC_SUCCESS;
 874     }
 875
 876 #ifdef HAVE_XSP
 877     vout_PlacePicture( p_vout, p_vout->p_sys->p_win->i_width  / p_vout->p_sys->i_hw_scale,
 878                        p_vout->p_sys->p_win->i_height  / p_vout->p_sys->i_hw_scale,
 879                        &i_index, &i_index,
 880                        &p_vout->fmt_out.i_visible_width,
 881                        &p_vout->fmt_out.i_visible_height );
 882 #else
 883     vout_PlacePicture( p_vout, p_vout->p_sys->p_win->i_width,
 884                        p_vout->p_sys->p_win->i_height,
 885                        &i_index, &i_index,
 886                        &p_vout->fmt_out.i_visible_width,
 887                        &p_vout->fmt_out.i_visible_height );
 888 #endif
 889
 890     p_vout->fmt_out.i_chroma = p_vout->output.i_chroma;
 891
 892     p_vout->output.i_width = p_vout->fmt_out.i_width =
 893         p_vout->fmt_out.i_visible_width * p_vout->fmt_in.i_width /
 894         p_vout->fmt_in.i_visible_width;
 895     p_vout->output.i_height = p_vout->fmt_out.i_height =
 896         p_vout->fmt_out.i_visible_height * p_vout->fmt_in.i_height /
 897         p_vout->fmt_in.i_visible_height;
 898     p_vout->fmt_out.i_x_offset =
 899         p_vout->fmt_out.i_visible_width * p_vout->fmt_in.i_x_offset /
 900         p_vout->fmt_in.i_visible_width;
 901     p_vout->fmt_out.i_y_offset =
 902         p_vout->fmt_out.i_visible_height * p_vout->fmt_in.i_y_offset /
 903         p_vout->fmt_in.i_visible_height;
 904
 905     p_vout->fmt_out.i_sar_num = p_vout->fmt_out.i_sar_den = 1;
 906     p_vout->output.i_aspect = p_vout->fmt_out.i_aspect =
 907         p_vout->fmt_out.i_width * VOUT_ASPECT_FACTOR /p_vout->fmt_out.i_height;
 908
 909     msg_Dbg( p_vout, "x11 image size %ix%i (%i,%i,%ix%i)",
 910              p_vout->fmt_out.i_width, p_vout->fmt_out.i_height,
 911              p_vout->fmt_out.i_x_offset, p_vout->fmt_out.i_y_offset,
 912              p_vout->fmt_out.i_visible_width,
 913              p_vout->fmt_out.i_visible_height );
 914 #endif
 915
 916     /* Try to initialize up to MAX_DIRECTBUFFERS direct buffers */
 917     while( I_OUTPUTPICTURES < MAX_DIRECTBUFFERS )
 918     {
 919         p_pic = NULL;
 920
 921         /* Find an empty picture slot */
 922         for( i_index = 0 ; i_index < VOUT_MAX_PICTURES ; i_index++ )
 923         {
 924           if( p_vout->p_picture[ i_index ].i_status == FREE_PICTURE )
 925             {
 926                 p_pic = p_vout->p_picture + i_index;
 927                 break;
 928             }
 929         }
 930
 931         /* Allocate the picture */
 932         if( p_pic == NULL || NewPicture( p_vout, p_pic ) )
 933         {
 934             break;
 935         }
 936
 937         p_pic->i_status = DESTROYED_PICTURE;
 938         p_pic->i_type   = DIRECT_PICTURE;
 939
 940         PP_OUTPUTPICTURE[ I_OUTPUTPICTURES ] = p_pic;
 941
 942         I_OUTPUTPICTURES++;
 943     }
 944
 945     if( p_vout->output.i_chroma == VLC_FOURCC('Y','V','1','2') )
 946     {
 947         /* U and V inverted compared to I420
 948          * Fixme: this should be handled by the vout core */
 949         p_vout->output.i_chroma = VLC_FOURCC('I','4','2','0');
 950         p_vout->fmt_out.i_chroma = VLC_FOURCC('I','4','2','0');
 951     }
 952
 953     return VLC_SUCCESS;
 954 }
 955
 956 /*****************************************************************************
 957  * DisplayVideo: displays previously rendered output
 958  *****************************************************************************
 959  * This function sends the currently rendered image to X11 server.
 960  * (The Xv extension takes care of "double-buffering".)
 961  *****************************************************************************/
 962 static void DisplayVideo( vout_thread_t *p_vout, picture_t *p_pic )
 963 {
 964     unsigned int i_width, i_height, i_x, i_y;
 965
 966     vout_PlacePicture( p_vout, p_vout->p_sys->p_win->i_width,
 967                        p_vout->p_sys->p_win->i_height,
 968                        &i_x, &i_y, &i_width, &i_height );
 969
 970     vlc_mutex_lock( &p_vout->p_sys->lock );
 971
 972 #ifdef MODULE_NAME_IS_xvmc
 973     xvmc_context_reader_lock( &p_vout->p_sys->xvmc_lock );
 974
 975     vlc_xxmc_t *xxmc = &p_pic->p_sys->xxmc_data;
 976     if( !xxmc->decoded ||
 977         !xxmc_xvmc_surface_valid( p_vout, p_pic->p_sys->xvmc_surf ) )
 978     {
 979       msg_Dbg( p_vout, "DisplayVideo decoded=%d\tsurfacevalid=%d",
 980                xxmc->decoded,
 981                xxmc_xvmc_surface_valid( p_vout, p_pic->p_sys->xvmc_surf ) );
 982       vlc_mutex_unlock( &p_vout->p_sys->lock );
 983       xvmc_context_reader_unlock( &p_vout->p_sys->xvmc_lock );
 984       return;
 985     }
 986
 987     int src_width = p_vout->output.i_width;
 988     int src_height = p_vout->output.i_height;
 989     int src_x, src_y;
 990
 991     if( p_vout->p_sys->xvmc_crop_style == 1 )
 992     {
 993         src_x = 20;
 994         src_y = 20;
 995         src_width -= 40;
 996         src_height -= 40;
 997     }
 998     else if( p_vout->p_sys->xvmc_crop_style == 2 )
 999     {
1000         src_x = 20;
1001         src_y = 40;
1002         src_width -= 40;
1003         src_height -= 80;
1004     }
1005     else if( p_vout->p_sys->xvmc_crop_style == 3 )
1006     {
1007         src_x = 40;
1008         src_y = 20;
1009         src_width -= 80;
1010         src_height -= 40;
1011     }
1012     else
1013     {
1014         src_x = 0;
1015         src_y = 0;
1016     }
1017
1018     int first_field;
1019     if( p_vout->p_sys->xvmc_deinterlace_method > 0 )
1020     {   /* BOB DEINTERLACE */
1021         if( (p_pic->p_sys->nb_display == 0) ||
1022             (p_vout->p_sys->xvmc_deinterlace_method == 1) )
1023         {
1024             first_field = (p_pic->b_top_field_first) ?
1025                                 XVMC_BOTTOM_FIELD : XVMC_TOP_FIELD;
1026         }
1027         else
1028         {
1029             first_field = (p_pic->b_top_field_first) ?
1030                                 XVMC_TOP_FIELD : XVMC_BOTTOM_FIELD;
1031         }
1032     }
1033     else
1034     {
1035         first_field = XVMC_FRAME_PICTURE;
1036      }
1037
1038     XVMCLOCKDISPLAY( p_vout->p_sys->p_display );
1039     XvMCFlushSurface( p_vout->p_sys->p_display, p_pic->p_sys->xvmc_surf );
1040     /* XvMCSyncSurface(p_vout->p_sys->p_display, p_picture->p_sys->xvmc_surf); */
1041     XvMCPutSurface( p_vout->p_sys->p_display,
1042                     p_pic->p_sys->xvmc_surf,
1043                     p_vout->p_sys->p_win->video_window,
1044                     src_x,
1045                     src_y,
1046                     src_width,
1047                     src_height,
1048                     0 /*dest_x*/,
1049                     0 /*dest_y*/,
1050                     i_width,
1051                     i_height,
1052                     first_field);
1053
1054     XVMCUNLOCKDISPLAY( p_vout->p_sys->p_display );
1055     if( p_vout->p_sys->xvmc_deinterlace_method == 2 )
1056     {   /* BOB DEINTERLACE */
1057         if( p_pic->p_sys->nb_display == 0 )/* && ((t2-t1) < 15000)) */
1058         {
1059             mtime_t last_date = p_pic->date;
1060
1061             vlc_mutex_lock( &p_vout->picture_lock );
1062             if( !p_vout->p_sys->last_date )
1063             {
1064                 p_pic->date += 20000;
1065             }
1066             else
1067             {
1068                 p_pic->date = ((3 * p_pic->date -
1069                                     p_vout->p_sys->last_date) / 2 );
1070             }
1071             p_vout->p_sys->last_date = last_date;
1072             p_pic->b_force = 1;
1073             p_pic->p_sys->nb_display = 1;
1074             vlc_mutex_unlock( &p_vout->picture_lock );
1075         }
1076         else
1077         {
1078             p_pic->p_sys->nb_display = 0;
1079             p_pic->b_force = 0;
1080         }
1081     }
1082     xvmc_context_reader_unlock( &p_vout->p_sys->xvmc_lock );
1083 #endif
1084
1085 #ifdef HAVE_SYS_SHM_H
1086     if( p_vout->p_sys->i_shm_opcode )
1087     {
1088         /* Display rendered image using shared memory extension */
1089 #   if defined(MODULE_NAME_IS_xvideo) || defined(MODULE_NAME_IS_xvmc)
1090         XvShmPutImage( p_vout->p_sys->p_display, p_vout->p_sys->i_xvport,
1091                        p_vout->p_sys->p_win->video_window,
1092                        p_vout->p_sys->p_win->gc, p_pic->p_sys->p_image,
1093                        p_vout->fmt_out.i_x_offset,
1094                        p_vout->fmt_out.i_y_offset,
1095                        p_vout->fmt_out.i_visible_width,
1096                        p_vout->fmt_out.i_visible_height,
1097                        0 /*dest_x*/, 0 /*dest_y*/, i_width, i_height,
1098                        False /* Don't put True here or you'll waste your CPU */ );
1099 #   else
1100         XShmPutImage( p_vout->p_sys->p_display,
1101                       p_vout->p_sys->p_win->video_window,
1102                       p_vout->p_sys->p_win->gc, p_pic->p_sys->p_image,
1103                       p_vout->fmt_out.i_x_offset,
1104                       p_vout->fmt_out.i_y_offset,
1105                       0 /*dest_x*/, 0 /*dest_y*/,
1106                       p_vout->fmt_out.i_visible_width,
1107                       p_vout->fmt_out.i_visible_height,
1108                       False /* Don't put True here ! */ );
1109 #   endif
1110     }
1111     else
1112 #endif /* HAVE_SYS_SHM_H */
1113     {
1114         /* Use standard XPutImage -- this is gonna be slow ! */
1115 #if defined(MODULE_NAME_IS_xvideo) || defined(MODULE_NAME_IS_xvmc)
1116         XvPutImage( p_vout->p_sys->p_display, p_vout->p_sys->i_xvport,
1117                     p_vout->p_sys->p_win->video_window,
1118                     p_vout->p_sys->p_win->gc, p_pic->p_sys->p_image,
1119                     p_vout->fmt_out.i_x_offset,
1120                     p_vout->fmt_out.i_y_offset,
1121                     p_vout->fmt_out.i_visible_width,
1122                     p_vout->fmt_out.i_visible_height,
1123                     0 /*dest_x*/, 0 /*dest_y*/, i_width, i_height );
1124 #else
1125         XPutImage( p_vout->p_sys->p_display,
1126                    p_vout->p_sys->p_win->video_window,
1127                    p_vout->p_sys->p_win->gc, p_pic->p_sys->p_image,
1128                    p_vout->fmt_out.i_x_offset,
1129                    p_vout->fmt_out.i_y_offset,
1130                    0 /*dest_x*/, 0 /*dest_y*/,
1131                    p_vout->fmt_out.i_visible_width,
1132                    p_vout->fmt_out.i_visible_height );
1133 #endif
1134     }
1135
1136     /* Make sure the command is sent now - do NOT use XFlush !*/
1137     XSync( p_vout->p_sys->p_display, False );
1138
1139     vlc_mutex_unlock( &p_vout->p_sys->lock );
1140 }
1141
1142 /*****************************************************************************
1143  * ManageVideo: handle X11 events
1144  *****************************************************************************
1145  * This function should be called regularly by video output thread. It manages
1146  * X11 events and allows window resizing. It returns a non null value on
1147  * error.
1148  *****************************************************************************/
1149 static int ManageVideo( vout_thread_t *p_vout )
1150 {
1151     XEvent      xevent;                                         /* X11 event */
1152     vlc_value_t val;
1153
1154     vlc_mutex_lock( &p_vout->p_sys->lock );
1155
1156 #ifdef MODULE_NAME_IS_xvmc
1157     xvmc_context_reader_lock( &p_vout->p_sys->xvmc_lock );
1158 #endif
1159
1160     /* Handle events from the owner window */
1161     if( p_vout->p_sys->p_win->owner_window )
1162     {
1163         while( XCheckWindowEvent( p_vout->p_sys->p_display,
1164                                 p_vout->p_sys->p_win->owner_window->handle.xid,
1165                                   StructureNotifyMask, &xevent ) == True )
1166         {
1167             /* ConfigureNotify event: prepare  */
1168             if( xevent.type == ConfigureNotify )
1169             {
1170                 /* Update dimensions */
1171                 XResizeWindow( p_vout->p_sys->p_display,
1172                                p_vout->p_sys->p_win->base_window,
1173                                xevent.xconfigure.width,
1174                                xevent.xconfigure.height );
1175             }
1176         }
1177     }
1178
1179     /* Handle X11 events: ConfigureNotify events are parsed to know if the
1180      * output window's size changed, MapNotify and UnmapNotify to know if the
1181      * window is mapped (and if the display is useful), and ClientMessages
1182      * to intercept window destruction requests */
1183
1184     while( XCheckWindowEvent( p_vout->p_sys->p_display,
1185                               p_vout->p_sys->p_win->base_window,
1186                               StructureNotifyMask | KeyPressMask |
1187                               ButtonPressMask | ButtonReleaseMask |
1188                               PointerMotionMask | Button1MotionMask , &xevent )
1189            == True )
1190     {
1191         /* ConfigureNotify event: prepare  */
1192         if( xevent.type == ConfigureNotify )
1193         {
1194             if( (unsigned int)xevent.xconfigure.width
1195                    != p_vout->p_sys->p_win->i_width
1196               || (unsigned int)xevent.xconfigure.height
1197                     != p_vout->p_sys->p_win->i_height )
1198             {
1199                 /* Update dimensions */
1200                 p_vout->i_changes |= VOUT_SIZE_CHANGE;
1201                 p_vout->p_sys->p_win->i_width = xevent.xconfigure.width;
1202                 p_vout->p_sys->p_win->i_height = xevent.xconfigure.height;
1203             }
1204         }
1205         /* Keyboard event */
1206         else if( xevent.type == KeyPress )
1207         {
1208             unsigned int state = xevent.xkey.state;
1209             KeySym x_key_symbol;
1210             char i_key;                                   /* ISO Latin-1 key */
1211
1212             /* We may have keys like F1 trough F12, ESC ... */
1213             x_key_symbol = XKeycodeToKeysym( p_vout->p_sys->p_display,
1214                                              xevent.xkey.keycode, 0 );
1215             val.i_int = ConvertKey( (int)x_key_symbol );
1216
1217             xevent.xkey.state &= ~ShiftMask;
1218             xevent.xkey.state &= ~ControlMask;
1219             xevent.xkey.state &= ~Mod1Mask;
1220
1221             if( !val.i_int &&
1222                 XLookupString( &xevent.xkey, &i_key, 1, NULL, NULL ) )
1223             {
1224                 /* "Normal Keys"
1225                  * The reason why I use this instead of XK_0 is that
1226                  * with XLookupString, we don't have to care about
1227                  * keymaps. */
1228                 val.i_int = i_key;
1229             }
1230
1231             if( val.i_int )
1232             {
1233                 if( state & ShiftMask )
1234                 {
1235                     val.i_int |= KEY_MODIFIER_SHIFT;
1236                 }
1237                 if( state & ControlMask )
1238                 {
1239                     val.i_int |= KEY_MODIFIER_CTRL;
1240                 }
1241                 if( state & Mod1Mask )
1242                 {
1243                     val.i_int |= KEY_MODIFIER_ALT;
1244                 }
1245                 var_Set( p_vout->p_libvlc, "key-pressed", val );
1246             }
1247         }
1248         /* Mouse click */
1249         else if( xevent.type == ButtonPress )
1250         {
1251             switch( ((XButtonEvent *)&xevent)->button )
1252             {
1253                 case Button1:
1254                     var_Get( p_vout, "mouse-button-down", &val );
1255                     val.i_int |= 1;
1256                     var_Set( p_vout, "mouse-button-down", val );
1257
1258                     /* detect double-clicks */
1259                     if( ( ((XButtonEvent *)&xevent)->time -
1260                           p_vout->p_sys->i_time_button_last_pressed ) < 300 )
1261                     {
1262                         p_vout->i_changes |= VOUT_FULLSCREEN_CHANGE;
1263                     }
1264
1265                     p_vout->p_sys->i_time_button_last_pressed =
1266                         ((XButtonEvent *)&xevent)->time;
1267                     break;
1268                 case Button2:
1269                     var_Get( p_vout, "mouse-button-down", &val );
1270                     val.i_int |= 2;
1271                     var_Set( p_vout, "mouse-button-down", val );
1272                     break;
1273
1274                 case Button3:
1275                     var_Get( p_vout, "mouse-button-down", &val );
1276                     val.i_int |= 4;
1277                     var_Set( p_vout, "mouse-button-down", val );
1278                     break;
1279
1280                 case Button4:
1281                     var_Get( p_vout, "mouse-button-down", &val );
1282                     val.i_int |= 8;
1283                     var_Set( p_vout, "mouse-button-down", val );
1284                     break;
1285
1286                 case Button5:
1287                     var_Get( p_vout, "mouse-button-down", &val );
1288                     val.i_int |= 16;
1289                     var_Set( p_vout, "mouse-button-down", val );
1290                     break;
1291             }
1292         }
1293         /* Mouse release */
1294         else if( xevent.type == ButtonRelease )
1295         {
1296             switch( ((XButtonEvent *)&xevent)->button )
1297             {
1298                 case Button1:
1299                     {
1300                         var_Get( p_vout, "mouse-button-down", &val );
1301                         val.i_int &= ~1;
1302                         var_Set( p_vout, "mouse-button-down", val );
1303
1304                         var_SetBool( p_vout, "mouse-clicked", true );
1305
1306                         vlc_value_t val; val.b_bool = false;
1307                         var_Set( p_vout->p_libvlc, "intf-popupmenu", val );
1308                     }
1309                     break;
1310
1311                 case Button2:
1312                     {
1313                         var_Get( p_vout, "mouse-button-down", &val );
1314                         val.i_int &= ~2;
1315                         var_Set( p_vout, "mouse-button-down", val );
1316
1317                         var_Get( p_vout->p_libvlc, "intf-show", &val );
1318                         val.b_bool = !val.b_bool;
1319                         var_Set( p_vout->p_libvlc, "intf-show", val );
1320                     }
1321                     break;
1322
1323                 case Button3:
1324                     {
1325                         var_Get( p_vout, "mouse-button-down", &val );
1326                         val.i_int &= ~4;
1327                         var_Set( p_vout, "mouse-button-down", val );
1328
1329                         vlc_value_t val; val.b_bool = true;
1330                         var_Set( p_vout->p_libvlc, "intf-popupmenu", val );
1331                     }
1332                     break;
1333
1334                 case Button4:
1335                     var_Get( p_vout, "mouse-button-down", &val );
1336                     val.i_int &= ~8;
1337                     var_Set( p_vout, "mouse-button-down", val );
1338                     break;
1339
1340                 case Button5:
1341                     var_Get( p_vout, "mouse-button-down", &val );
1342                     val.i_int &= ~16;
1343                     var_Set( p_vout, "mouse-button-down", val );
1344                     break;
1345
1346             }
1347         }
1348         /* Mouse move */
1349         else if( xevent.type == MotionNotify )
1350         {
1351             unsigned int i_width, i_height, i_x, i_y;
1352             vlc_value_t val;
1353
1354             /* somewhat different use for vout_PlacePicture:
1355              * here the values are needed to give to mouse coordinates
1356              * in the original picture space */
1357             vout_PlacePicture( p_vout, p_vout->p_sys->p_win->i_width,
1358                                p_vout->p_sys->p_win->i_height,
1359                                &i_x, &i_y, &i_width, &i_height );
1360
1361             /* Compute the x coordinate and check if the value is
1362                in [0,p_vout->fmt_in.i_visible_width] */
1363             val.i_int = ( xevent.xmotion.x - i_x ) *
1364                 p_vout->fmt_in.i_visible_width / i_width +
1365                 p_vout->fmt_in.i_x_offset;
1366
1367             if( (int)(xevent.xmotion.x - i_x) < 0 )
1368                 val.i_int = 0;
1369             else if( (unsigned int)val.i_int > p_vout->fmt_in.i_visible_width )
1370                 val.i_int = p_vout->fmt_in.i_visible_width;
1371
1372             var_Set( p_vout, "mouse-x", val );
1373
1374             /* compute the y coordinate and check if the value is
1375                in [0,p_vout->fmt_in.i_visible_height] */
1376             val.i_int = ( xevent.xmotion.y - i_y ) *
1377                 p_vout->fmt_in.i_visible_height / i_height +
1378                 p_vout->fmt_in.i_y_offset;
1379
1380             if( (int)(xevent.xmotion.y - i_y) < 0 )
1381                 val.i_int = 0;
1382             else if( (unsigned int)val.i_int > p_vout->fmt_in.i_visible_height )
1383                 val.i_int = p_vout->fmt_in.i_visible_height;
1384
1385             var_Set( p_vout, "mouse-y", val );
1386
1387             val.b_bool = true;
1388             var_Set( p_vout, "mouse-moved", val );
1389
1390             p_vout->p_sys->i_time_mouse_last_moved = mdate();
1391             if( ! p_vout->p_sys->b_mouse_pointer_visible )
1392             {
1393                 ToggleCursor( p_vout );
1394             }
1395         }
1396         else if( xevent.type == ReparentNotify /* XXX: why do we get this? */
1397                   || xevent.type == MapNotify
1398                   || xevent.type == UnmapNotify )
1399         {
1400             /* Ignore these events */
1401         }
1402         else /* Other events */
1403         {
1404             msg_Warn( p_vout, "unhandled event %d received", xevent.type );
1405         }
1406     }
1407
1408     /* Handle events for video output sub-window */
1409     while( XCheckWindowEvent( p_vout->p_sys->p_display,
1410                               p_vout->p_sys->p_win->video_window,
1411                               ExposureMask, &xevent ) == True )
1412     {
1413         /* Window exposed (only handled if stream playback is paused) */
1414         if( xevent.type == Expose )
1415         {
1416             if( ((XExposeEvent *)&xevent)->count == 0 )
1417             {
1418                 /* (if this is the last a collection of expose events...) */
1419
1420 #if defined(MODULE_NAME_IS_xvideo)
1421                 x11_window_t *p_win = p_vout->p_sys->p_win;
1422
1423                 /* Paint the colour key if needed */
1424                 if( p_vout->p_sys->b_paint_colourkey &&
1425                     xevent.xexpose.window == p_win->video_window )
1426                 {
1427                     XSetForeground( p_vout->p_sys->p_display,
1428                                     p_win->gc, p_vout->p_sys->i_colourkey );
1429                     XFillRectangle( p_vout->p_sys->p_display,
1430                                     p_win->video_window, p_win->gc, 0, 0,
1431                                     p_win->i_width, p_win->i_height );
1432                 }
1433 #endif
1434
1435 #if 0
1436                 if( p_vout->p_libvlc->p_input_bank->pp_input[0] != NULL )
1437                 {
1438                     if( PAUSE_S == p_vout->p_libvlc->p_input_bank->pp_input[0]
1439                                                    ->stream.control.i_status )
1440                     {
1441                         /* XVideoDisplay( p_vout )*/;
1442                     }
1443                 }
1444 #endif
1445             }
1446         }
1447     }
1448
1449     /* ClientMessage event - only WM_PROTOCOLS with WM_DELETE_WINDOW data
1450      * are handled - according to the man pages, the format is always 32
1451      * in this case */
1452     while( XCheckTypedEvent( p_vout->p_sys->p_display,
1453                              ClientMessage, &xevent ) )
1454     {
1455         if( (xevent.xclient.message_type == p_vout->p_sys->p_win->wm_protocols)
1456                && ((Atom)xevent.xclient.data.l[0]
1457                      == p_vout->p_sys->p_win->wm_delete_window ) )
1458         {
1459             /* the user wants to close the window */
1460             playlist_t * p_playlist = pl_Hold( p_vout );
1461             if( p_playlist != NULL )
1462             {
1463                 playlist_Stop( p_playlist );
1464                 pl_Release( p_vout );
1465             }
1466         }
1467     }
1468
1469     /*
1470      * Fullscreen Change
1471      */
1472     if ( p_vout->i_changes & VOUT_FULLSCREEN_CHANGE )
1473     {
1474         /* Update the object variable and trigger callback */
1475         var_SetBool( p_vout, "fullscreen", !p_vout->b_fullscreen );
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     /* cursor hiding depending on --vout-event option
1527      *      activated if:
1528      *            value = 1 (Fullsupport) (default value)
1529      *         or value = 2 (Fullscreen-Only) and condition met
1530      */
1531     bool b_vout_event = (   ( p_vout->p_sys->i_vout_event == 1 )
1532                          || ( p_vout->p_sys->i_vout_event == 2 && p_vout->b_fullscreen )
1533                         );
1534
1535     /* Autohide Cursour */
1536     if( mdate() - p_vout->p_sys->i_time_mouse_last_moved >
1537         p_vout->p_sys->i_mouse_hide_timeout )
1538     {
1539         /* Hide the mouse automatically */
1540         if( b_vout_event && p_vout->p_sys->b_mouse_pointer_visible )
1541         {
1542             ToggleCursor( p_vout );
1543         }
1544     }
1545
1546 #ifdef MODULE_NAME_IS_xvmc
1547     xvmc_context_reader_unlock( &p_vout->p_sys->xvmc_lock );
1548 #endif
1549
1550 #ifdef HAVE_OSSO
1551     if ( p_vout->p_sys->p_octx != NULL ) {
1552         if ( p_vout->p_sys->i_backlight_on_counter == i_backlight_on_interval ) {
1553             if ( osso_display_blanking_pause( p_vout->p_sys->p_octx ) != OSSO_OK ) {
1554                 msg_Err( p_vout, "Could not disable backlight blanking" );
1555         } else {
1556                 msg_Dbg( p_vout, "Backlight blanking disabled" );
1557             }
1558             p_vout->p_sys->i_backlight_on_counter = 0;
1559         } else {
1560             p_vout->p_sys->i_backlight_on_counter ++;
1561         }
1562     }
1563 #endif
1564
1565     vlc_mutex_unlock( &p_vout->p_sys->lock );
1566     return 0;
1567 }
1568
1569 /*****************************************************************************
1570  * EndVideo: terminate X11 video thread output method
1571  *****************************************************************************
1572  * Destroy the X11 XImages created by Init. It is called at the end of
1573  * the thread, but also each time the window is resized.
1574  *****************************************************************************/
1575 static void EndVideo( vout_thread_t *p_vout )
1576 {
1577     int i_index;
1578
1579     /* Free the direct buffers we allocated */
1580     for( i_index = I_OUTPUTPICTURES ; i_index ; )
1581     {
1582         i_index--;
1583         FreePicture( p_vout, PP_OUTPUTPICTURE[ i_index ] );
1584     }
1585 }
1586
1587 /* following functions are local */
1588
1589 /*****************************************************************************
1590  * CreateWindow: open and set-up X11 main window
1591  *****************************************************************************/
1592 static int CreateWindow( vout_thread_t *p_vout, x11_window_t *p_win )
1593 {
1594     XSizeHints              xsize_hints;
1595     XSetWindowAttributes    xwindow_attributes;
1596     XGCValues               xgcvalues;
1597     XEvent                  xevent;
1598
1599     bool              b_expose = false;
1600     bool              b_configure_notify = false;
1601     bool              b_map_notify = false;
1602     vlc_value_t             val;
1603
1604     /* Prepare window manager hints and properties */
1605     p_win->wm_protocols =
1606              XInternAtom( p_vout->p_sys->p_display, "WM_PROTOCOLS", True );
1607     p_win->wm_delete_window =
1608              XInternAtom( p_vout->p_sys->p_display, "WM_DELETE_WINDOW", True );
1609
1610     /* Never have a 0-pixel-wide window */
1611     xsize_hints.min_width = 2;
1612     xsize_hints.min_height = 1;
1613
1614     /* Prepare window attributes */
1615     xwindow_attributes.backing_store = Always;       /* save the hidden part */
1616     xwindow_attributes.background_pixel = BlackPixel(p_vout->p_sys->p_display,
1617                                                      p_vout->p_sys->i_screen);
1618     xwindow_attributes.event_mask = ExposureMask | StructureNotifyMask;
1619
1620     if( !p_vout->b_fullscreen )
1621     {
1622         p_win->owner_window = vout_RequestXWindow( p_vout, &p_win->i_x,
1623                               &p_win->i_y, &p_win->i_width, &p_win->i_height );
1624         xsize_hints.base_width  = xsize_hints.width = p_win->i_width;
1625         xsize_hints.base_height = xsize_hints.height = p_win->i_height;
1626         xsize_hints.flags       = PSize | PMinSize;
1627
1628         if( p_win->i_x >=0 || p_win->i_y >= 0 )
1629         {
1630             xsize_hints.x = p_win->i_x;
1631             xsize_hints.y = p_win->i_y;
1632             xsize_hints.flags |= PPosition;
1633         }
1634     }
1635     else
1636     {
1637         /* Fullscreen window size and position */
1638         p_win->owner_window = NULL;
1639         p_win->i_x = p_win->i_y = 0;
1640         p_win->i_width =
1641             DisplayWidth( p_vout->p_sys->p_display, p_vout->p_sys->i_screen );
1642         p_win->i_height =
1643             DisplayHeight( p_vout->p_sys->p_display, p_vout->p_sys->i_screen );
1644     }
1645
1646     if( !p_win->owner_window )
1647     {
1648         /* Create the window and set hints - the window must receive
1649          * ConfigureNotify events, and until it is displayed, Expose and
1650          * MapNotify events. */
1651
1652         p_win->base_window =
1653             XCreateWindow( p_vout->p_sys->p_display,
1654                            DefaultRootWindow( p_vout->p_sys->p_display ),
1655                            p_win->i_x, p_win->i_y,
1656                            p_win->i_width, p_win->i_height,
1657                            0,
1658                            0, InputOutput, 0,
1659                            CWBackingStore | CWBackPixel | CWEventMask,
1660                            &xwindow_attributes );
1661
1662         var_Get( p_vout, "video-title", &val );
1663         if( !val.psz_string || !*val.psz_string )
1664         {
1665             XStoreName( p_vout->p_sys->p_display, p_win->base_window,
1666 #ifdef MODULE_NAME_IS_x11
1667                         VOUT_TITLE " (X11 output)"
1668 #elif defined(MODULE_NAME_IS_glx)
1669                         VOUT_TITLE " (GLX output)"
1670 #else
1671                         VOUT_TITLE " (XVideo output)"
1672 #endif
1673               );
1674         }
1675         else
1676         {
1677             XStoreName( p_vout->p_sys->p_display,
1678                         p_win->base_window, val.psz_string );
1679         }
1680         free( val.psz_string );
1681
1682         if( !p_vout->b_fullscreen )
1683         {
1684             const char *argv[] = { "vlc", NULL };
1685
1686             /* Set window manager hints and properties: size hints, command,
1687              * window's name, and accepted protocols */
1688             XSetWMNormalHints( p_vout->p_sys->p_display,
1689                                p_win->base_window, &xsize_hints );
1690             XSetCommand( p_vout->p_sys->p_display, p_win->base_window,
1691                          (char**)argv, 1 );
1692
1693             if( !var_GetBool( p_vout, "video-deco") )
1694             {
1695                 Atom prop;
1696                 mwmhints_t mwmhints;
1697
1698                 mwmhints.flags = MWM_HINTS_DECORATIONS;
1699                 mwmhints.decorations = False;
1700
1701                 prop = XInternAtom( p_vout->p_sys->p_display, "_MOTIF_WM_HINTS",
1702                                     False );
1703
1704                 XChangeProperty( p_vout->p_sys->p_display,
1705                                  p_win->base_window,
1706                                  prop, prop, 32, PropModeReplace,
1707                                  (unsigned char *)&mwmhints,
1708                                  PROP_MWM_HINTS_ELEMENTS );
1709             }
1710         }
1711     }
1712     else
1713     {
1714         Window dummy1;
1715         int dummy2, dummy3;
1716         unsigned int dummy4, dummy5;
1717
1718         /* Select events we are interested in. */
1719         XSelectInput( p_vout->p_sys->p_display,
1720                       p_win->owner_window->handle.xid, StructureNotifyMask );
1721
1722         /* Get the parent window's geometry information */
1723         XGetGeometry( p_vout->p_sys->p_display,
1724                       p_win->owner_window->handle.xid,
1725                       &dummy1, &dummy2, &dummy3,
1726                       &p_win->i_width,
1727                       &p_win->i_height,
1728                       &dummy4, &dummy5 );
1729
1730         /* We are already configured */
1731         b_configure_notify = true;
1732
1733         /* From man XSelectInput: only one client at a time can select a
1734          * ButtonPress event, so we need to open a new window anyway. */
1735         p_win->base_window =
1736             XCreateWindow( p_vout->p_sys->p_display,
1737                            p_win->owner_window->handle.xid,
1738                            0, 0,
1739                            p_win->i_width, p_win->i_height,
1740                            0,
1741                            0, CopyFromParent, 0,
1742                            CWBackingStore | CWBackPixel | CWEventMask,
1743                            &xwindow_attributes );
1744     }
1745
1746     if( (p_win->wm_protocols == None)        /* use WM_DELETE_WINDOW */
1747         || (p_win->wm_delete_window == None)
1748         || !XSetWMProtocols( p_vout->p_sys->p_display, p_win->base_window,
1749                              &p_win->wm_delete_window, 1 ) )
1750     {
1751         /* WM_DELETE_WINDOW is not supported by window manager */
1752         msg_Warn( p_vout, "missing or bad window manager" );
1753     }
1754
1755     /* Creation of a graphic context that doesn't generate a GraphicsExpose
1756      * event when using functions like XCopyArea */
1757     xgcvalues.graphics_exposures = False;
1758     p_win->gc = XCreateGC( p_vout->p_sys->p_display,
1759                            p_win->base_window,
1760                            GCGraphicsExposures, &xgcvalues );
1761
1762     /* Send orders to server, and wait until window is displayed - three
1763      * events must be received: a MapNotify event, an Expose event allowing
1764      * drawing in the window, and a ConfigureNotify to get the window
1765      * dimensions. Once those events have been received, only
1766      * ConfigureNotify events need to be received. */
1767     XMapWindow( p_vout->p_sys->p_display, p_win->base_window );
1768     do
1769     {
1770         XWindowEvent( p_vout->p_sys->p_display, p_win->base_window,
1771                       SubstructureNotifyMask | StructureNotifyMask |
1772                       ExposureMask, &xevent);
1773         if( (xevent.type == Expose)
1774             && (xevent.xexpose.window == p_win->base_window) )
1775         {
1776             b_expose = true;
1777             /* ConfigureNotify isn't sent if there isn't a window manager.
1778              * Expose should be the last event to be received so it should
1779              * be fine to assume we won't receive it anymore. */
1780             b_configure_notify = true;
1781         }
1782         else if( (xevent.type == MapNotify)
1783                  && (xevent.xmap.window == p_win->base_window) )
1784         {
1785             b_map_notify = true;
1786         }
1787         else if( (xevent.type == ConfigureNotify)
1788                  && (xevent.xconfigure.window == p_win->base_window) )
1789         {
1790             b_configure_notify = true;
1791             p_win->i_width = xevent.xconfigure.width;
1792             p_win->i_height = xevent.xconfigure.height;
1793         }
1794     } while( !( b_expose && b_configure_notify && b_map_notify ) );
1795
1796     /* key and mouse events handling depending on --vout-event option
1797      *      activated if:
1798      *            value = 1 (Fullsupport) (default value)
1799      *         or value = 2 (Fullscreen-Only) and condition met
1800      */
1801     bool b_vout_event = (   ( p_vout->p_sys->i_vout_event == 1 )
1802                          || ( p_vout->p_sys->i_vout_event == 2 && p_vout->b_fullscreen )
1803                         );
1804     if ( b_vout_event )
1805         XSelectInput( p_vout->p_sys->p_display, p_win->base_window,
1806                       StructureNotifyMask | KeyPressMask |
1807                       ButtonPressMask | ButtonReleaseMask |
1808                       PointerMotionMask );
1809
1810 #ifdef MODULE_NAME_IS_x11
1811     if( XDefaultDepth(p_vout->p_sys->p_display, p_vout->p_sys->i_screen) == 8 )
1812     {
1813         /* Allocate a new palette */
1814         p_vout->p_sys->colormap =
1815             XCreateColormap( p_vout->p_sys->p_display,
1816                              DefaultRootWindow( p_vout->p_sys->p_display ),
1817                              DefaultVisual( p_vout->p_sys->p_display,
1818                                             p_vout->p_sys->i_screen ),
1819                              AllocAll );
1820
1821         xwindow_attributes.colormap = p_vout->p_sys->colormap;
1822         XChangeWindowAttributes( p_vout->p_sys->p_display, p_win->base_window,
1823                                  CWColormap, &xwindow_attributes );
1824     }
1825 #endif
1826
1827     /* Create video output sub-window. */
1828     p_win->video_window =  XCreateSimpleWindow(
1829                                       p_vout->p_sys->p_display,
1830                                       p_win->base_window, 0, 0,
1831                                       p_win->i_width, p_win->i_height,
1832                                       0,
1833                                       BlackPixel( p_vout->p_sys->p_display,
1834                                                   p_vout->p_sys->i_screen ),
1835                                       WhitePixel( p_vout->p_sys->p_display,
1836                                                   p_vout->p_sys->i_screen ) );
1837
1838     XSetWindowBackground( p_vout->p_sys->p_display, p_win->video_window,
1839                           BlackPixel( p_vout->p_sys->p_display,
1840                                       p_vout->p_sys->i_screen ) );
1841
1842     XMapWindow( p_vout->p_sys->p_display, p_win->video_window );
1843     XSelectInput( p_vout->p_sys->p_display, p_win->video_window,
1844                   ExposureMask );
1845
1846     /* make sure the video window will be centered in the next ManageVideo() */
1847     p_vout->i_changes |= VOUT_SIZE_CHANGE;
1848
1849     /* If the cursor was formerly blank than blank it again */
1850     if( !p_vout->p_sys->b_mouse_pointer_visible )
1851     {
1852         ToggleCursor( p_vout );
1853         ToggleCursor( p_vout );
1854     }
1855
1856     /* Do NOT use XFlush here ! */
1857     XSync( p_vout->p_sys->p_display, False );
1858
1859     /* At this stage, the window is open, displayed, and ready to
1860      * receive data */
1861     p_vout->p_sys->p_win = p_win;
1862
1863     return VLC_SUCCESS;
1864 }
1865
1866 /*****************************************************************************
1867  * DestroyWindow: destroy the window
1868  *****************************************************************************
1869  *
1870  *****************************************************************************/
1871 static void DestroyWindow( vout_thread_t *p_vout, x11_window_t *p_win )
1872 {
1873     /* Do NOT use XFlush here ! */
1874     XSync( p_vout->p_sys->p_display, False );
1875
1876     if( p_win->video_window != None )
1877         XDestroyWindow( p_vout->p_sys->p_display, p_win->video_window );
1878
1879     XFreeGC( p_vout->p_sys->p_display, p_win->gc );
1880
1881     XUnmapWindow( p_vout->p_sys->p_display, p_win->base_window );
1882     XDestroyWindow( p_vout->p_sys->p_display, p_win->base_window );
1883
1884     vout_ReleaseWindow( p_win->owner_window );
1885 }
1886
1887 /*****************************************************************************
1888  * NewPicture: allocate a picture
1889  *****************************************************************************
1890  * Returns 0 on success, -1 otherwise
1891  *****************************************************************************/
1892 static int NewPicture( vout_thread_t *p_vout, picture_t *p_pic )
1893 {
1894 #ifndef MODULE_NAME_IS_glx
1895
1896 #if defined(MODULE_NAME_IS_xvideo) || defined(MODULE_NAME_IS_xvmc)
1897     int i_plane;
1898 #endif
1899
1900     /* We know the chroma, allocate a buffer which will be used
1901      * directly by the decoder */
1902     p_pic->p_sys = malloc( sizeof( picture_sys_t ) );
1903
1904     if( p_pic->p_sys == NULL )
1905     {
1906         return -1;
1907     }
1908
1909 #ifdef MODULE_NAME_IS_xvmc
1910     p_pic->p_sys->p_vout = p_vout;
1911     p_pic->p_sys->xvmc_surf = NULL;
1912     p_pic->p_sys->xxmc_data.decoded = 0;
1913     p_pic->p_sys->xxmc_data.proc_xxmc_update_frame = xxmc_do_update_frame;
1914     //    p_pic->p_accel_data = &p_pic->p_sys->xxmc_data;
1915     p_pic->p_sys->nb_display = 0;
1916 #endif
1917
1918     /* Fill in picture_t fields */
1919     vout_InitPicture( VLC_OBJECT(p_vout), p_pic, p_vout->output.i_chroma,
1920                       p_vout->output.i_width, p_vout->output.i_height,
1921                       p_vout->output.i_aspect );
1922
1923 #ifdef HAVE_SYS_SHM_H
1924     if( p_vout->p_sys->i_shm_opcode )
1925     {
1926         /* Create image using XShm extension */
1927         p_pic->p_sys->p_image =
1928             CreateShmImage( p_vout, p_vout->p_sys->p_display,
1929 #   if defined(MODULE_NAME_IS_xvideo) || defined(MODULE_NAME_IS_xvmc)
1930                             p_vout->p_sys->i_xvport,
1931                             VLC2X11_FOURCC(p_vout->output.i_chroma),
1932 #   else
1933                             p_vout->p_sys->p_visual,
1934                             p_vout->p_sys->i_screen_depth,
1935 #   endif
1936                             &p_pic->p_sys->shminfo,
1937                             p_vout->output.i_width, p_vout->output.i_height );
1938     }
1939
1940     if( !p_vout->p_sys->i_shm_opcode || !p_pic->p_sys->p_image )
1941 #endif /* HAVE_SYS_SHM_H */
1942     {
1943         /* Create image without XShm extension */
1944         p_pic->p_sys->p_image =
1945             CreateImage( p_vout, p_vout->p_sys->p_display,
1946 #if defined(MODULE_NAME_IS_xvideo) || defined(MODULE_NAME_IS_xvmc)
1947                          p_vout->p_sys->i_xvport,
1948                          VLC2X11_FOURCC(p_vout->output.i_chroma),
1949                          p_pic->format.i_bits_per_pixel,
1950 #else
1951                          p_vout->p_sys->p_visual,
1952                          p_vout->p_sys->i_screen_depth,
1953                          p_vout->p_sys->i_bytes_per_pixel,
1954 #endif
1955                          p_vout->output.i_width, p_vout->output.i_height );
1956
1957 #ifdef HAVE_SYS_SHM_H
1958         if( p_pic->p_sys->p_image && p_vout->p_sys->i_shm_opcode )
1959         {
1960             msg_Warn( p_vout, "couldn't create SHM image, disabling SHM" );
1961             p_vout->p_sys->i_shm_opcode = 0;
1962         }
1963 #endif /* HAVE_SYS_SHM_H */
1964     }
1965
1966     if( p_pic->p_sys->p_image == NULL )
1967     {
1968         free( p_pic->p_sys );
1969         return -1;
1970     }
1971
1972     switch( p_vout->output.i_chroma )
1973     {
1974 #if defined(MODULE_NAME_IS_xvideo) || defined(MODULE_NAME_IS_xvmc)
1975         case VLC_FOURCC('I','4','2','0'):
1976         case VLC_FOURCC('Y','V','1','2'):
1977         case VLC_FOURCC('Y','2','1','1'):
1978         case VLC_FOURCC('Y','U','Y','2'):
1979         case VLC_FOURCC('U','Y','V','Y'):
1980         case VLC_FOURCC('R','V','1','5'):
1981         case VLC_FOURCC('R','V','1','6'):
1982         case VLC_FOURCC('R','V','2','4'): /* Fixme: pixel pitch == 4 ? */
1983         case VLC_FOURCC('R','V','3','2'):
1984
1985             for( i_plane = 0; i_plane < p_pic->p_sys->p_image->num_planes;
1986                  i_plane++ )
1987             {
1988                 p_pic->p[i_plane].p_pixels = (uint8_t*)p_pic->p_sys->p_image->data
1989                     + p_pic->p_sys->p_image->offsets[i_plane];
1990                 p_pic->p[i_plane].i_pitch =
1991                     p_pic->p_sys->p_image->pitches[i_plane];
1992             }
1993             if( p_vout->output.i_chroma == VLC_FOURCC('Y','V','1','2') )
1994             {
1995                 /* U and V inverted compared to I420
1996                  * Fixme: this should be handled by the vout core */
1997                 p_pic->U_PIXELS = (uint8_t*)p_pic->p_sys->p_image->data
1998                     + p_pic->p_sys->p_image->offsets[2];
1999                 p_pic->V_PIXELS = (uint8_t*)p_pic->p_sys->p_image->data
2000                     + p_pic->p_sys->p_image->offsets[1];
2001             }
2002
2003             break;
2004
2005 #else
2006         case VLC_FOURCC('R','G','B','2'):
2007         case VLC_FOURCC('R','V','1','6'):
2008         case VLC_FOURCC('R','V','1','5'):
2009         case VLC_FOURCC('R','V','2','4'):
2010         case VLC_FOURCC('R','V','3','2'):
2011
2012             p_pic->p->i_lines = p_pic->p_sys->p_image->height;
2013             p_pic->p->i_visible_lines = p_pic->p_sys->p_image->height;
2014             p_pic->p->p_pixels = (uint8_t*)p_pic->p_sys->p_image->data
2015                                   + p_pic->p_sys->p_image->xoffset;
2016             p_pic->p->i_pitch = p_pic->p_sys->p_image->bytes_per_line;
2017
2018             /* p_pic->p->i_pixel_pitch = 4 for RV24 but this should be set
2019              * properly by vout_InitPicture() */
2020             p_pic->p->i_visible_pitch = p_pic->p->i_pixel_pitch
2021                                          * p_pic->p_sys->p_image->width;
2022             break;
2023 #endif
2024
2025         default:
2026             /* Unknown chroma, tell the guy to get lost */
2027             IMAGE_FREE( p_pic->p_sys->p_image );
2028             free( p_pic->p_sys );
2029             msg_Err( p_vout, "never heard of chroma 0x%.8x (%4.4s)",
2030                      p_vout->output.i_chroma, (char*)&p_vout->output.i_chroma );
2031             p_pic->i_planes = 0;
2032             return -1;
2033     }
2034 #else
2035
2036     VLC_UNUSED(p_vout); VLC_UNUSED(p_pic);
2037
2038 #endif /* !MODULE_NAME_IS_glx */
2039
2040     return 0;
2041 }
2042
2043 /*****************************************************************************
2044  * FreePicture: destroy a picture allocated with NewPicture
2045  *****************************************************************************
2046  * Destroy XImage AND associated data. If using Shm, detach shared memory
2047  * segment from server and process, then free it. The XDestroyImage manpage
2048  * says that both the image structure _and_ the data pointed to by the
2049  * image structure are freed, so no need to free p_image->data.
2050  *****************************************************************************/
2051 static void FreePicture( vout_thread_t *p_vout, picture_t *p_pic )
2052 {
2053     /* The order of operations is correct */
2054 #ifdef HAVE_SYS_SHM_H
2055     if( p_vout->p_sys->i_shm_opcode )
2056     {
2057         XShmDetach( p_vout->p_sys->p_display, &p_pic->p_sys->shminfo );
2058         IMAGE_FREE( p_pic->p_sys->p_image );
2059
2060         shmctl( p_pic->p_sys->shminfo.shmid, IPC_RMID, 0 );
2061         if( shmdt( p_pic->p_sys->shminfo.shmaddr ) )
2062         {
2063             msg_Err( p_vout, "cannot detach shared memory (%m)" );
2064         }
2065     }
2066     else
2067 #endif
2068     {
2069         IMAGE_FREE( p_pic->p_sys->p_image );
2070     }
2071
2072 #ifdef MODULE_NAME_IS_xvmc
2073     if( p_pic->p_sys->xvmc_surf != NULL )
2074     {
2075         xxmc_xvmc_free_surface(p_vout , p_pic->p_sys->xvmc_surf);
2076         p_pic->p_sys->xvmc_surf = NULL;
2077     }
2078 #endif
2079
2080     /* Do NOT use XFlush here ! */
2081     XSync( p_vout->p_sys->p_display, False );
2082
2083     free( p_pic->p_sys );
2084 }
2085
2086 /*****************************************************************************
2087  * ToggleFullScreen: Enable or disable full screen mode
2088  *****************************************************************************
2089  * This function will switch between fullscreen and window mode.
2090  *****************************************************************************/
2091 static void ToggleFullScreen ( vout_thread_t *p_vout )
2092 {
2093     Atom prop;
2094     XEvent xevent;
2095     mwmhints_t mwmhints;
2096     XSetWindowAttributes attributes;
2097
2098 #ifdef HAVE_XINERAMA
2099     int i_d1, i_d2;
2100 #endif
2101
2102     p_vout->b_fullscreen = !p_vout->b_fullscreen;
2103
2104     if( p_vout->b_fullscreen )
2105     {
2106         msg_Dbg( p_vout, "entering fullscreen mode" );
2107
2108         /* Getting current window position */
2109         Window root_win;
2110         Window* child_windows;
2111         unsigned int num_child_windows;
2112         Window parent_win;
2113         Window child_win;
2114         XWindowAttributes win_attr;
2115         int screen_x,screen_y;
2116
2117         XGetWindowAttributes(
2118                 p_vout->p_sys->p_display,
2119                 p_vout->p_sys->p_win->video_window,
2120                 &win_attr);
2121
2122         XQueryTree(
2123                 p_vout->p_sys->p_display,
2124                 p_vout->p_sys->p_win->video_window,
2125                 &root_win,
2126                 &parent_win,
2127                 &child_windows,
2128                 &num_child_windows);
2129         XFree(child_windows);
2130
2131         XTranslateCoordinates(
2132                 p_vout->p_sys->p_display,
2133                 parent_win, win_attr.root,
2134                 win_attr.x,win_attr.y,
2135                 &screen_x,&screen_y,
2136                 &child_win);
2137
2138         msg_Dbg( p_vout, "X %d/%d Y %d/%d", win_attr.x,screen_x,win_attr.y,screen_y);
2139         /* screen_x and screen_y are current position */
2140
2141         p_vout->p_sys->b_altfullscreen =
2142             config_GetInt( p_vout, MODULE_STRING "-altfullscreen" );
2143
2144         XUnmapWindow( p_vout->p_sys->p_display,
2145                       p_vout->p_sys->p_win->base_window );
2146
2147         p_vout->p_sys->p_win = &p_vout->p_sys->fullscreen_window;
2148
2149         CreateWindow( p_vout, p_vout->p_sys->p_win );
2150         XDestroyWindow( p_vout->p_sys->p_display,
2151                         p_vout->p_sys->fullscreen_window.video_window );
2152         XReparentWindow( p_vout->p_sys->p_display,
2153                          p_vout->p_sys->original_window.video_window,
2154                          p_vout->p_sys->fullscreen_window.base_window, 0, 0 );
2155         p_vout->p_sys->fullscreen_window.video_window =
2156             p_vout->p_sys->original_window.video_window;
2157
2158         /* To my knowledge there are two ways to create a borderless window.
2159          * There's the generic way which is to tell x to bypass the window
2160          * manager, but this creates problems with the focus of other
2161          * applications.
2162          * The other way is to use the motif property "_MOTIF_WM_HINTS" which
2163          * luckily seems to be supported by most window managers. */
2164         if( !p_vout->p_sys->b_altfullscreen )
2165         {
2166             mwmhints.flags = MWM_HINTS_DECORATIONS;
2167             mwmhints.decorations = False;
2168
2169             prop = XInternAtom( p_vout->p_sys->p_display, "_MOTIF_WM_HINTS",
2170                                 False );
2171             XChangeProperty( p_vout->p_sys->p_display,
2172                              p_vout->p_sys->p_win->base_window,
2173                              prop, prop, 32, PropModeReplace,
2174                              (unsigned char *)&mwmhints,
2175                              PROP_MWM_HINTS_ELEMENTS );
2176         }
2177         else
2178         {
2179             /* brute force way to remove decorations */
2180             attributes.override_redirect = True;
2181             XChangeWindowAttributes( p_vout->p_sys->p_display,
2182                                      p_vout->p_sys->p_win->base_window,
2183                                      CWOverrideRedirect,
2184                                      &attributes);
2185
2186             /* Make sure the change is effective */
2187             XReparentWindow( p_vout->p_sys->p_display,
2188                              p_vout->p_sys->p_win->base_window,
2189                              DefaultRootWindow( p_vout->p_sys->p_display ),
2190                              0, 0 );
2191         }
2192
2193         if( p_vout->p_sys->b_net_wm_state_fullscreen )
2194         {
2195             XClientMessageEvent event;
2196
2197             memset( &event, 0, sizeof( XClientMessageEvent ) );
2198
2199             event.type = ClientMessage;
2200             event.message_type = p_vout->p_sys->net_wm_state;
2201             event.display = p_vout->p_sys->p_display;
2202             event.window = p_vout->p_sys->p_win->base_window;
2203             event.format = 32;
2204             event.data.l[ 0 ] = 1; /* set property */
2205             event.data.l[ 1 ] = p_vout->p_sys->net_wm_state_fullscreen;
2206
2207             XSendEvent( p_vout->p_sys->p_display,
2208                         DefaultRootWindow( p_vout->p_sys->p_display ),
2209                         False, SubstructureRedirectMask,
2210                         (XEvent*)&event );
2211         }
2212
2213 /* "bad fullscreen" - set this to 0. doing fullscreen this way is problematic
2214  * for many reasons and basically fights with the window manager as the wm
2215  * reparents AND vlc goes and reparents - multiple times. don't do it. it just
2216  * makes it more inefficient and less "nice" to the x11 citizenry. this turns
2217  * it off */
2218 #define BADFS 0
2219 /* explicitly asking for focus when you fullscreened is a little silly. the
2220  * window manager SHOULD be handling this itself based on its own focus
2221  * policies. if the user is "using" a given xinerama/xrandr screen or x11
2222  * multihead screen AND vlc wants to fullscreen the wm should also focus it
2223  * as its the only thing on the screen. if vlc fullscreens and its on
2224  * "another monitor" to the one the user is using - this may "steal" the focus
2225  * as really the wm should be deciding if, on fullscreening of a window
2226  * the focus should go there or not, so let the wm decided */
2227 #define APPFOCUS 0
2228         /* Make sure the change is effective */
2229         XReparentWindow( p_vout->p_sys->p_display,
2230                          p_vout->p_sys->p_win->base_window,
2231                          DefaultRootWindow( p_vout->p_sys->p_display ),
2232                          0, 0 );
2233
2234 #ifdef HAVE_XINERAMA
2235         if( XineramaQueryExtension( p_vout->p_sys->p_display, &i_d1, &i_d2 ) &&
2236             XineramaIsActive( p_vout->p_sys->p_display ) )
2237         {
2238             XineramaScreenInfo *screens;   /* infos for xinerama */
2239             int i_num_screens;
2240
2241             msg_Dbg( p_vout, "using XFree Xinerama extension");
2242
2243 #define SCREEN p_vout->p_sys->p_win->i_screen
2244
2245             /* Get Information about Xinerama (num of screens) */
2246             screens = XineramaQueryScreens( p_vout->p_sys->p_display,
2247                                             &i_num_screens );
2248
2249             SCREEN = config_GetInt( p_vout,
2250                                         MODULE_STRING "-xineramascreen" );
2251
2252             /* just check that user has entered a good value,
2253              * otherwise use that screen where window is */
2254             if( SCREEN >= i_num_screens || SCREEN < 0 )
2255             {
2256                 msg_Dbg( p_vout, "requested screen number invalid (%d/%d)", SCREEN, i_num_screens );
2257 #define left screens[SCREEN].x_org
2258 #define right left + screens[SCREEN].width
2259 #define top screens[SCREEN].y_org
2260 #define bottom top + screens[SCREEN].height
2261
2262                  for( SCREEN = i_num_screens-1; SCREEN > 0; SCREEN--)
2263                  {
2264                      if( left <= screen_x && screen_x <= right &&
2265                              top <= screen_y && screen_y <= bottom )
2266                          break;
2267                  }
2268 #undef bottom
2269 #undef top
2270 #undef right
2271 #undef left
2272             }
2273
2274             /* Get the X/Y upper left corner coordinate of the above screen */
2275             p_vout->p_sys->p_win->i_x = screens[SCREEN].x_org;
2276             p_vout->p_sys->p_win->i_y = screens[SCREEN].y_org;
2277
2278             /* Set the Height/width to the screen resolution */
2279             p_vout->p_sys->p_win->i_width = screens[SCREEN].width;
2280             p_vout->p_sys->p_win->i_height = screens[SCREEN].height;
2281
2282             XFree(screens);
2283
2284 #undef SCREEN
2285
2286         }
2287         else
2288 #endif
2289         {
2290             /* The window wasn't necessarily created at the requested size */
2291             p_vout->p_sys->p_win->i_x = p_vout->p_sys->p_win->i_y = 0;
2292
2293 #ifdef HAVE_XF86VIDMODE
2294             XF86VidModeModeLine mode;
2295             int i_dummy;
2296
2297             if( XF86VidModeGetModeLine( p_vout->p_sys->p_display,
2298                                         p_vout->p_sys->i_screen, &i_dummy,
2299                                         &mode ) )
2300             {
2301                 p_vout->p_sys->p_win->i_width = mode.hdisplay;
2302                 p_vout->p_sys->p_win->i_height = mode.vdisplay;
2303
2304                 /* move cursor to the middle of the window to prevent
2305                  * unwanted display move if the display is smaller than the
2306                  * full desktop */
2307                 XWarpPointer( p_vout->p_sys->p_display, None,
2308                               p_vout->p_sys->p_win->base_window, 0, 0, 0, 0,
2309                               mode.hdisplay / 2 , mode.vdisplay / 2 );
2310                 /* force desktop view to upper left corner */
2311                 XF86VidModeSetViewPort( p_vout->p_sys->p_display,
2312                                         p_vout->p_sys->i_screen, 0, 0 );
2313             }
2314             else
2315 #endif
2316             {
2317                 p_vout->p_sys->p_win->i_width =
2318                     DisplayWidth( p_vout->p_sys->p_display,
2319                                 p_vout->p_sys->i_screen );
2320                 p_vout->p_sys->p_win->i_height =
2321                     DisplayHeight( p_vout->p_sys->p_display,
2322                                 p_vout->p_sys->i_screen );
2323             }
2324
2325         }
2326
2327         XMoveResizeWindow( p_vout->p_sys->p_display,
2328                            p_vout->p_sys->p_win->base_window,
2329                            p_vout->p_sys->p_win->i_x,
2330                            p_vout->p_sys->p_win->i_y,
2331                            p_vout->p_sys->p_win->i_width,
2332                            p_vout->p_sys->p_win->i_height );
2333
2334 #ifdef HAVE_XSP
2335         EnablePixelDoubling( p_vout );
2336 #endif
2337
2338 #if APPFOCUS // RASTER: let the wm do focus policy
2339         /* Activate the window (give it the focus) */
2340         XClientMessageEvent event;
2341
2342         memset( &event, 0, sizeof( XClientMessageEvent ) );
2343
2344         event.type = ClientMessage;
2345         event.message_type =
2346            XInternAtom( p_vout->p_sys->p_display, "_NET_ACTIVE_WINDOW", False );
2347         event.display = p_vout->p_sys->p_display;
2348         event.window = p_vout->p_sys->p_win->base_window;
2349         event.format = 32;
2350         event.data.l[ 0 ] = 1; /* source indication (1 = from an application */
2351         event.data.l[ 1 ] = 0; /* timestamp */
2352         event.data.l[ 2 ] = 0; /* requestor's currently active window */
2353         /* XXX: window manager would be more likely to obey if we already have
2354          * an active window (and give it to the event), such as an interface */
2355
2356         XSendEvent( p_vout->p_sys->p_display,
2357                     DefaultRootWindow( p_vout->p_sys->p_display ),
2358                     False, SubstructureRedirectMask,
2359                     (XEvent*)&event );
2360 #endif
2361     }
2362     else
2363     {
2364         msg_Dbg( p_vout, "leaving fullscreen mode" );
2365
2366 #ifdef HAVE_XSP
2367         DisablePixelDoubling( p_vout );
2368 #endif
2369
2370         XReparentWindow( p_vout->p_sys->p_display,
2371                          p_vout->p_sys->original_window.video_window,
2372                          p_vout->p_sys->original_window.base_window, 0, 0 );
2373
2374         p_vout->p_sys->fullscreen_window.video_window = None;
2375         DestroyWindow( p_vout, &p_vout->p_sys->fullscreen_window );
2376         p_vout->p_sys->p_win = &p_vout->p_sys->original_window;
2377
2378         XMapWindow( p_vout->p_sys->p_display,
2379                     p_vout->p_sys->p_win->base_window );
2380     }
2381
2382     /* Unfortunately, using XSync() here is not enough to ensure the
2383      * window has already been mapped because the XMapWindow() request
2384      * has not necessarily been sent directly to our window (remember,
2385      * the call is first redirected to the window manager) */
2386
2387 #if BADFS // RASTER: this is silly... if we have already mapped before
2388     do
2389     {
2390         XWindowEvent( p_vout->p_sys->p_display,
2391                       p_vout->p_sys->p_win->base_window,
2392                       StructureNotifyMask, &xevent );
2393     } while( xevent.type != MapNotify );
2394 #else
2395    XSync(p_vout->p_sys->p_display, False);
2396 #endif
2397
2398     /* Be careful, this can generate a BadMatch error if the window is not
2399      * already mapped by the server (see above) */
2400     XSetInputFocus(p_vout->p_sys->p_display,
2401                    p_vout->p_sys->p_win->base_window,
2402                    RevertToParent,
2403                    CurrentTime);
2404
2405     /* signal that the size needs to be updated */
2406     p_vout->i_changes |= VOUT_SIZE_CHANGE;
2407 }
2408
2409 /*****************************************************************************
2410  * EnableXScreenSaver: enable screen saver
2411  *****************************************************************************
2412  * This function enables the screen saver on a display after it has been
2413  * disabled by XDisableScreenSaver.
2414  * FIXME: what happens if multiple vlc sessions are running at the same
2415  *        time ???
2416  *****************************************************************************/
2417 static void EnableXScreenSaver( vout_thread_t *p_vout )
2418 {
2419 #ifdef DPMSINFO_IN_DPMS_H
2420     int dummy;
2421 #endif
2422
2423     if( p_vout->p_sys->i_ss_timeout )
2424     {
2425         XSetScreenSaver( p_vout->p_sys->p_display, p_vout->p_sys->i_ss_timeout,
2426                          p_vout->p_sys->i_ss_interval,
2427                          p_vout->p_sys->i_ss_blanking,
2428                          p_vout->p_sys->i_ss_exposure );
2429     }
2430
2431     /* Restore DPMS settings */
2432 #ifdef DPMSINFO_IN_DPMS_H
2433     if( DPMSQueryExtension( p_vout->p_sys->p_display, &dummy, &dummy ) )
2434     {
2435         if( p_vout->p_sys->b_ss_dpms )
2436         {
2437             DPMSEnable( p_vout->p_sys->p_display );
2438         }
2439     }
2440 #endif
2441 }
2442
2443 /*****************************************************************************
2444  * DisableXScreenSaver: disable screen saver
2445  *****************************************************************************
2446  * See XEnableXScreenSaver
2447  *****************************************************************************/
2448 static void DisableXScreenSaver( vout_thread_t *p_vout )
2449 {
2450 #ifdef DPMSINFO_IN_DPMS_H
2451     int dummy;
2452 #endif
2453
2454     /* Save screen saver information */
2455     XGetScreenSaver( p_vout->p_sys->p_display, &p_vout->p_sys->i_ss_timeout,
2456                      &p_vout->p_sys->i_ss_interval,
2457                      &p_vout->p_sys->i_ss_blanking,
2458                      &p_vout->p_sys->i_ss_exposure );
2459
2460     /* Disable screen saver */
2461     if( p_vout->p_sys->i_ss_timeout )
2462     {
2463         XSetScreenSaver( p_vout->p_sys->p_display, 0,
2464                          p_vout->p_sys->i_ss_interval,
2465                          p_vout->p_sys->i_ss_blanking,
2466                          p_vout->p_sys->i_ss_exposure );
2467     }
2468
2469     /* Disable DPMS */
2470 #ifdef DPMSINFO_IN_DPMS_H
2471     if( DPMSQueryExtension( p_vout->p_sys->p_display, &dummy, &dummy ) )
2472     {
2473         CARD16 unused;
2474         /* Save DPMS current state */
2475         DPMSInfo( p_vout->p_sys->p_display, &unused,
2476                   &p_vout->p_sys->b_ss_dpms );
2477         DPMSDisable( p_vout->p_sys->p_display );
2478    }
2479 #endif
2480 }
2481
2482 /*****************************************************************************
2483  * CreateCursor: create a blank mouse pointer
2484  *****************************************************************************/
2485 static void CreateCursor( vout_thread_t *p_vout )
2486 {
2487     XColor cursor_color;
2488
2489     p_vout->p_sys->cursor_pixmap =
2490         XCreatePixmap( p_vout->p_sys->p_display,
2491                        DefaultRootWindow( p_vout->p_sys->p_display ),
2492                        1, 1, 1 );
2493
2494     XParseColor( p_vout->p_sys->p_display,
2495                  XCreateColormap( p_vout->p_sys->p_display,
2496                                   DefaultRootWindow(
2497                                                     p_vout->p_sys->p_display ),
2498                                   DefaultVisual(
2499                                                 p_vout->p_sys->p_display,
2500                                                 p_vout->p_sys->i_screen ),
2501                                   AllocNone ),
2502                  "black", &cursor_color );
2503
2504     p_vout->p_sys->blank_cursor =
2505         XCreatePixmapCursor( p_vout->p_sys->p_display,
2506                              p_vout->p_sys->cursor_pixmap,
2507                              p_vout->p_sys->cursor_pixmap,
2508                              &cursor_color, &cursor_color, 1, 1 );
2509 }
2510
2511 /*****************************************************************************
2512  * DestroyCursor: destroy the blank mouse pointer
2513  *****************************************************************************/
2514 static void DestroyCursor( vout_thread_t *p_vout )
2515 {
2516     XFreePixmap( p_vout->p_sys->p_display, p_vout->p_sys->cursor_pixmap );
2517 }
2518
2519 /*****************************************************************************
2520  * ToggleCursor: hide or show the mouse pointer
2521  *****************************************************************************
2522  * This function hides the X pointer if it is visible by setting the pointer
2523  * sprite to a blank one. To show it again, we disable the sprite.
2524  *****************************************************************************/
2525 static void ToggleCursor( vout_thread_t *p_vout )
2526 {
2527     if( p_vout->p_sys->b_mouse_pointer_visible )
2528     {
2529         XDefineCursor( p_vout->p_sys->p_display,
2530                        p_vout->p_sys->p_win->base_window,
2531                        p_vout->p_sys->blank_cursor );
2532         p_vout->p_sys->b_mouse_pointer_visible = 0;
2533     }
2534     else
2535     {
2536         XUndefineCursor( p_vout->p_sys->p_display,
2537                          p_vout->p_sys->p_win->base_window );
2538         p_vout->p_sys->b_mouse_pointer_visible = 1;
2539     }
2540 }
2541
2542 #if defined(MODULE_NAME_IS_xvideo) || defined(MODULE_NAME_IS_xvmc)
2543 /*****************************************************************************
2544  * XVideoGetPort: get YUV12 port
2545  *****************************************************************************/
2546 static int XVideoGetPort( vout_thread_t *p_vout,
2547                           vlc_fourcc_t i_chroma, picture_heap_t *p_heap )
2548 {
2549     XvAdaptorInfo *p_adaptor;
2550     unsigned int i;
2551     unsigned int i_adaptor, i_num_adaptors;
2552     int i_requested_adaptor;
2553     int i_selected_port;
2554
2555     switch( XvQueryExtension( p_vout->p_sys->p_display, &i, &i, &i, &i, &i ) )
2556     {
2557         case Success:
2558             break;
2559
2560         case XvBadExtension:
2561             msg_Warn( p_vout, "XvBadExtension" );
2562             return -1;
2563
2564         case XvBadAlloc:
2565             msg_Warn( p_vout, "XvBadAlloc" );
2566             return -1;
2567
2568         default:
2569             msg_Warn( p_vout, "XvQueryExtension failed" );
2570             return -1;
2571     }
2572
2573     switch( XvQueryAdaptors( p_vout->p_sys->p_display,
2574                              DefaultRootWindow( p_vout->p_sys->p_display ),
2575                              &i_num_adaptors, &p_adaptor ) )
2576     {
2577         case Success:
2578             break;
2579
2580         case XvBadExtension:
2581             msg_Warn( p_vout, "XvBadExtension for XvQueryAdaptors" );
2582             return -1;
2583
2584         case XvBadAlloc:
2585             msg_Warn( p_vout, "XvBadAlloc for XvQueryAdaptors" );
2586             return -1;
2587
2588         default:
2589             msg_Warn( p_vout, "XvQueryAdaptors failed" );
2590             return -1;
2591     }
2592
2593     i_selected_port = -1;
2594 #ifdef MODULE_NAME_IS_xvmc
2595     i_requested_adaptor = config_GetInt( p_vout, "xvmc-adaptor" );
2596 #else
2597     i_requested_adaptor = config_GetInt( p_vout, "xvideo-adaptor" );
2598 #endif
2599     for( i_adaptor = 0; i_adaptor < i_num_adaptors; ++i_adaptor )
2600     {
2601         XvImageFormatValues *p_formats;
2602         int i_format, i_num_formats;
2603         int i_port;
2604
2605         /* If we requested an adaptor and it's not this one, we aren't
2606          * interested */
2607         if( i_requested_adaptor != -1 && ((int)i_adaptor != i_requested_adaptor) )
2608         {
2609             continue;
2610         }
2611
2612         /* If the adaptor doesn't have the required properties, skip it */
2613         if( !( p_adaptor[ i_adaptor ].type & XvInputMask ) ||
2614             !( p_adaptor[ i_adaptor ].type & XvImageMask ) )
2615         {
2616             continue;
2617         }
2618
2619         /* Check that adaptor supports our requested format... */
2620         p_formats = XvListImageFormats( p_vout->p_sys->p_display,
2621                                         p_adaptor[i_adaptor].base_id,
2622                                         &i_num_formats );
2623
2624         for( i_format = 0;
2625              i_format < i_num_formats && ( i_selected_port == -1 );
2626              i_format++ )
2627         {
2628             XvAttribute     *p_attr;
2629             int             i_attr, i_num_attributes;
2630             Atom            autopaint = None, colorkey = None;
2631
2632             /* If this is not the format we want, or at least a
2633              * similar one, forget it */
2634             if( !vout_ChromaCmp( p_formats[ i_format ].id, i_chroma ) )
2635             {
2636                 continue;
2637             }
2638
2639             /* Look for the first available port supporting this format */
2640             for( i_port = p_adaptor[i_adaptor].base_id;
2641                  ( i_port < (int)(p_adaptor[i_adaptor].base_id
2642                                    + p_adaptor[i_adaptor].num_ports) )
2643                    && ( i_selected_port == -1 );
2644                  i_port++ )
2645             {
2646                 if( XvGrabPort( p_vout->p_sys->p_display, i_port, CurrentTime )
2647                      == Success )
2648                 {
2649                     i_selected_port = i_port;
2650                     p_heap->i_chroma = p_formats[ i_format ].id;
2651 #if XvVersion > 2 || ( XvVersion == 2 && XvRevision >= 2 )
2652                     p_heap->i_rmask = p_formats[ i_format ].red_mask;
2653                     p_heap->i_gmask = p_formats[ i_format ].green_mask;
2654                     p_heap->i_bmask = p_formats[ i_format ].blue_mask;
2655 #endif
2656                 }
2657             }
2658
2659             /* If no free port was found, forget it */
2660             if( i_selected_port == -1 )
2661             {
2662                 continue;
2663             }
2664
2665             /* If we found a port, print information about it */
2666             msg_Dbg( p_vout, "adaptor %i, port %i, format 0x%x (%4.4s) %s",
2667                      i_adaptor, i_selected_port, p_formats[ i_format ].id,
2668                      (char *)&p_formats[ i_format ].id,
2669                      ( p_formats[ i_format ].format == XvPacked ) ?
2670                          "packed" : "planar" );
2671
2672             /* Use XV_AUTOPAINT_COLORKEY if supported, otherwise we will
2673              * manually paint the colour key */
2674             p_attr = XvQueryPortAttributes( p_vout->p_sys->p_display,
2675                                             i_selected_port,
2676                                             &i_num_attributes );
2677
2678             for( i_attr = 0; i_attr < i_num_attributes; i_attr++ )
2679             {
2680                 if( !strcmp( p_attr[i_attr].name, "XV_AUTOPAINT_COLORKEY" ) )
2681                 {
2682                     autopaint = XInternAtom( p_vout->p_sys->p_display,
2683                                              "XV_AUTOPAINT_COLORKEY", False );
2684                     XvSetPortAttribute( p_vout->p_sys->p_display,
2685                                         i_selected_port, autopaint, 1 );
2686                 }
2687                 if( !strcmp( p_attr[i_attr].name, "XV_COLORKEY" ) )
2688                 {
2689                     /* Find out the default colour key */
2690                     colorkey = XInternAtom( p_vout->p_sys->p_display,
2691                                             "XV_COLORKEY", False );
2692                     XvGetPortAttribute( p_vout->p_sys->p_display,
2693                                         i_selected_port, colorkey,
2694                                         &p_vout->p_sys->i_colourkey );
2695                 }
2696             }
2697             p_vout->p_sys->b_paint_colourkey =
2698                 autopaint == None && colorkey != None;
2699
2700             if( p_attr != NULL )
2701             {
2702                 XFree( p_attr );
2703             }
2704         }
2705
2706         if( p_formats != NULL )
2707         {
2708             XFree( p_formats );
2709         }
2710
2711     }
2712
2713     if( i_num_adaptors > 0 )
2714     {
2715         XvFreeAdaptorInfo( p_adaptor );
2716     }
2717
2718     if( i_selected_port == -1 )
2719     {
2720         int i_chroma_tmp = X112VLC_FOURCC( i_chroma );
2721         if( i_requested_adaptor == -1 )
2722         {
2723             msg_Warn( p_vout, "no free XVideo port found for format "
2724                       "0x%.8x (%4.4s)", i_chroma_tmp, (char*)&i_chroma_tmp );
2725         }
2726         else
2727         {
2728             msg_Warn( p_vout, "XVideo adaptor %i does not have a free "
2729                       "XVideo port for format 0x%.8x (%4.4s)",
2730                       i_requested_adaptor, i_chroma_tmp, (char*)&i_chroma_tmp );
2731         }
2732     }
2733
2734     return i_selected_port;
2735 }
2736
2737 /*****************************************************************************
2738  * XVideoReleasePort: release YUV12 port
2739  *****************************************************************************/
2740 static void XVideoReleasePort( vout_thread_t *p_vout, int i_port )
2741 {
2742     XvUngrabPort( p_vout->p_sys->p_display, i_port, CurrentTime );
2743 }
2744 #endif
2745
2746 /*****************************************************************************
2747  * InitDisplay: open and initialize X11 device
2748  *****************************************************************************
2749  * Create a window according to video output given size, and set other
2750  * properties according to the display properties.
2751  *****************************************************************************/
2752 static int InitDisplay( vout_thread_t *p_vout )
2753 {
2754 #ifdef MODULE_NAME_IS_x11
2755     XPixmapFormatValues *       p_formats;                 /* pixmap formats */
2756     XVisualInfo *               p_xvisual;            /* visuals information */
2757     XVisualInfo                 xvisual_template;         /* visual template */
2758     int                         i_count, i;                    /* array size */
2759 #endif
2760
2761 #ifdef HAVE_SYS_SHM_H
2762     p_vout->p_sys->i_shm_opcode = 0;
2763
2764     if( config_GetInt( p_vout, MODULE_STRING "-shm" ) > 0 )
2765     {
2766         int major, evt, err;
2767
2768         if( XQueryExtension( p_vout->p_sys->p_display, "MIT-SHM", &major,
2769                              &evt, &err )
2770          && XShmQueryExtension( p_vout->p_sys->p_display ) )
2771             p_vout->p_sys->i_shm_opcode = major;
2772
2773         if( p_vout->p_sys->i_shm_opcode )
2774         {
2775             int major, minor;
2776             Bool pixmaps;
2777
2778             XShmQueryVersion( p_vout->p_sys->p_display, &major, &minor,
2779                               &pixmaps );
2780             msg_Dbg( p_vout, "XShm video extension v%d.%d "
2781                      "(with%s pixmaps, opcode: %d)",
2782                      major, minor, pixmaps ? "" : "out",
2783                      p_vout->p_sys->i_shm_opcode );
2784         }
2785         else
2786             msg_Warn( p_vout, "XShm video extension not available" );
2787     }
2788     else
2789         msg_Dbg( p_vout, "XShm video extension disabled" );
2790 #endif
2791
2792 #ifdef MODULE_NAME_IS_xvideo
2793     /* XXX The brightness and contrast values should be read from environment
2794      * XXX variables... */
2795 #if 0
2796     XVideoSetAttribute( p_vout, "XV_BRIGHTNESS", 0.5 );
2797     XVideoSetAttribute( p_vout, "XV_CONTRAST",   0.5 );
2798 #endif
2799 #endif
2800
2801 #ifdef MODULE_NAME_IS_x11
2802     /* Initialize structure */
2803     p_vout->p_sys->i_screen = DefaultScreen( p_vout->p_sys->p_display );
2804
2805     /* Get screen depth */
2806     p_vout->p_sys->i_screen_depth = XDefaultDepth( p_vout->p_sys->p_display,
2807                                                    p_vout->p_sys->i_screen );
2808     switch( p_vout->p_sys->i_screen_depth )
2809     {
2810     case 8:
2811         /*
2812          * Screen depth is 8bpp. Use PseudoColor visual with private colormap.
2813          */
2814         xvisual_template.screen =   p_vout->p_sys->i_screen;
2815         xvisual_template.class =    DirectColor;
2816         p_xvisual = XGetVisualInfo( p_vout->p_sys->p_display,
2817                                     VisualScreenMask | VisualClassMask,
2818                                     &xvisual_template, &i_count );
2819         if( p_xvisual == NULL )
2820         {
2821             msg_Err( p_vout, "no PseudoColor visual available" );
2822             return VLC_EGENERIC;
2823         }
2824         p_vout->p_sys->i_bytes_per_pixel = 1;
2825         p_vout->output.pf_setpalette = SetPalette;
2826         break;
2827     case 15:
2828     case 16:
2829     case 24:
2830     default:
2831         /*
2832          * Screen depth is higher than 8bpp. TrueColor visual is used.
2833          */
2834         xvisual_template.screen =   p_vout->p_sys->i_screen;
2835         xvisual_template.class =    TrueColor;
2836 /* In some cases, we get a truecolor class adaptor that has a different
2837    color depth. So try to get a real true color one first */
2838         xvisual_template.depth =    p_vout->p_sys->i_screen_depth;
2839
2840         p_xvisual = XGetVisualInfo( p_vout->p_sys->p_display,
2841                                     VisualScreenMask | VisualClassMask |
2842                                     VisualDepthMask,
2843                                     &xvisual_template, &i_count );
2844         if( p_xvisual == NULL )
2845         {
2846             msg_Warn( p_vout, "No screen matching the required color depth" );
2847             p_xvisual = XGetVisualInfo( p_vout->p_sys->p_display,
2848                                     VisualScreenMask | VisualClassMask,
2849                                     &xvisual_template, &i_count );
2850             if( p_xvisual == NULL )
2851             {
2852
2853                 msg_Err( p_vout, "no TrueColor visual available" );
2854                 return VLC_EGENERIC;
2855             }
2856         }
2857
2858         p_vout->output.i_rmask = p_xvisual->red_mask;
2859         p_vout->output.i_gmask = p_xvisual->green_mask;
2860         p_vout->output.i_bmask = p_xvisual->blue_mask;
2861
2862         /* There is no difference yet between 3 and 4 Bpp. The only way
2863          * to find the actual number of bytes per pixel is to list supported
2864          * pixmap formats. */
2865         p_formats = XListPixmapFormats( p_vout->p_sys->p_display, &i_count );
2866         p_vout->p_sys->i_bytes_per_pixel = 0;
2867
2868         for( i = 0; i < i_count; i++ )
2869         {
2870             /* Under XFree4.0, the list contains pixmap formats available
2871              * through all video depths ; so we have to check against current
2872              * depth. */
2873             if( p_formats[i].depth == (int)p_vout->p_sys->i_screen_depth )
2874             {
2875                 if( p_formats[i].bits_per_pixel / 8
2876                         > (int)p_vout->p_sys->i_bytes_per_pixel )
2877                 {
2878                     p_vout->p_sys->i_bytes_per_pixel =
2879                         p_formats[i].bits_per_pixel / 8;
2880                 }
2881             }
2882         }
2883         if( p_formats ) XFree( p_formats );
2884
2885         break;
2886     }
2887     p_vout->p_sys->p_visual = p_xvisual->visual;
2888     XFree( p_xvisual );
2889 #endif
2890
2891     return VLC_SUCCESS;
2892 }
2893
2894 #ifndef MODULE_NAME_IS_glx
2895
2896 #ifdef HAVE_SYS_SHM_H
2897 /*****************************************************************************
2898  * CreateShmImage: create an XImage or XvImage using shared memory extension
2899  *****************************************************************************
2900  * Prepare an XImage or XvImage for display function.
2901  * The order of the operations respects the recommandations of the mit-shm
2902  * document by J.Corbet and K.Packard. Most of the parameters were copied from
2903  * there. See http://ftp.xfree86.org/pub/XFree86/4.0/doc/mit-shm.TXT
2904  *****************************************************************************/
2905 IMAGE_TYPE * CreateShmImage( vout_thread_t *p_vout,
2906                                     Display* p_display, EXTRA_ARGS_SHM,
2907                                     int i_width, int i_height )
2908 {
2909     IMAGE_TYPE *p_image;
2910     Status result;
2911
2912     /* Create XImage / XvImage */
2913 #ifdef MODULE_NAME_IS_xvideo
2914     p_image = XvShmCreateImage( p_display, i_xvport, i_chroma, 0,
2915                                 i_width, i_height, p_shm );
2916 #elif defined(MODULE_NAME_IS_xvmc)
2917     p_image = XvShmCreateImage( p_display, i_xvport, i_chroma, 0,
2918                                 i_width, i_height, p_shm );
2919 #else
2920     p_image = XShmCreateImage( p_display, p_visual, i_depth, ZPixmap, 0,
2921                                p_shm, i_width, i_height );
2922 #endif
2923     if( p_image == NULL )
2924     {
2925         msg_Err( p_vout, "image creation failed" );
2926         return NULL;
2927     }
2928
2929     /* Allocate shared memory segment - 0776 set the access permission
2930      * rights (like umask), they are not yet supported by all X servers */
2931     p_shm->shmid = shmget( IPC_PRIVATE, DATA_SIZE(p_image), IPC_CREAT | 0776 );
2932     if( p_shm->shmid < 0 )
2933     {
2934         msg_Err( p_vout, "cannot allocate shared image data (%m)" );
2935         IMAGE_FREE( p_image );
2936         return NULL;
2937     }
2938
2939     /* Attach shared memory segment to process (read/write) */
2940     p_shm->shmaddr = p_image->data = shmat( p_shm->shmid, 0, 0 );
2941     if(! p_shm->shmaddr )
2942     {
2943         msg_Err( p_vout, "cannot attach shared memory (%m)" );
2944         IMAGE_FREE( p_image );
2945         shmctl( p_shm->shmid, IPC_RMID, 0 );
2946         return NULL;
2947     }
2948
2949     /* Read-only data. We won't be using XShmGetImage */
2950     p_shm->readOnly = True;
2951
2952     /* Attach shared memory segment to X server */
2953     XSynchronize( p_display, True );
2954     i_shm_major = p_vout->p_sys->i_shm_opcode;
2955     result = XShmAttach( p_display, p_shm );
2956     if( result == False || !i_shm_major )
2957     {
2958         msg_Err( p_vout, "cannot attach shared memory to X server" );
2959         IMAGE_FREE( p_image );
2960         shmctl( p_shm->shmid, IPC_RMID, 0 );
2961         shmdt( p_shm->shmaddr );
2962         return NULL;
2963     }
2964     XSynchronize( p_display, False );
2965
2966     /* Send image to X server. This instruction is required, since having
2967      * built a Shm XImage and not using it causes an error on XCloseDisplay,
2968      * and remember NOT to use XFlush ! */
2969     XSync( p_display, False );
2970
2971 #if 0
2972     /* Mark the shm segment to be removed when there are no more
2973      * attachements, so it is automatic on process exit or after shmdt */
2974     shmctl( p_shm->shmid, IPC_RMID, 0 );
2975 #endif
2976
2977     return p_image;
2978 }
2979 #endif
2980
2981 /*****************************************************************************
2982  * CreateImage: create an XImage or XvImage
2983  *****************************************************************************
2984  * Create a simple image used as a buffer.
2985  *****************************************************************************/
2986 static IMAGE_TYPE * CreateImage( vout_thread_t *p_vout,
2987                                  Display *p_display, EXTRA_ARGS,
2988                                  int i_width, int i_height )
2989 {
2990     uint8_t *    p_data;                          /* image data storage zone */
2991     IMAGE_TYPE *p_image;
2992 #ifdef MODULE_NAME_IS_x11
2993     int         i_quantum;                     /* XImage quantum (see below) */
2994     int         i_bytes_per_line;
2995 #endif
2996
2997     /* Allocate memory for image */
2998 #ifdef MODULE_NAME_IS_xvideo
2999     p_data = malloc( i_width * i_height * i_bits_per_pixel / 8 );
3000 #elif defined(MODULE_NAME_IS_x11)
3001     i_bytes_per_line = i_width * i_bytes_per_pixel;
3002     p_data = malloc( i_bytes_per_line * i_height );
3003 #endif
3004     if( !p_data )
3005         return NULL;
3006
3007 #ifdef MODULE_NAME_IS_x11
3008     /* Optimize the quantum of a scanline regarding its size - the quantum is
3009        a diviser of the number of bits between the start of two scanlines. */
3010     if( i_bytes_per_line & 0xf )
3011     {
3012         i_quantum = 0x8;
3013     }
3014     else if( i_bytes_per_line & 0x10 )
3015     {
3016         i_quantum = 0x10;
3017     }
3018     else
3019     {
3020         i_quantum = 0x20;
3021     }
3022 #endif
3023
3024     /* Create XImage. p_data will be automatically freed */
3025 #ifdef MODULE_NAME_IS_xvideo
3026     p_image = XvCreateImage( p_display, i_xvport, i_chroma,
3027                              (char *)p_data, i_width, i_height );
3028 #elif defined(MODULE_NAME_IS_x11)
3029     p_image = XCreateImage( p_display, p_visual, i_depth, ZPixmap, 0,
3030                             (char *)p_data, i_width, i_height, i_quantum, 0 );
3031 #endif
3032     if( p_image == NULL )
3033     {
3034         msg_Err( p_vout, "XCreateImage() failed" );
3035         free( p_data );
3036         return NULL;
3037     }
3038
3039     return p_image;
3040 }
3041
3042 #endif
3043 /*****************************************************************************
3044  * X11ErrorHandler: replace error handler so we can intercept some of them
3045  *****************************************************************************/
3046 static int X11ErrorHandler( Display * display, XErrorEvent * event )
3047 {
3048     char txt[1024];
3049
3050     XGetErrorText( display, event->error_code, txt, sizeof( txt ) );
3051     fprintf( stderr,
3052              "[????????] x11 video output error: X11 request %u.%u failed "
3053               "with error code %u:\n %s\n",
3054              event->request_code, event->minor_code, event->error_code, txt );
3055
3056     switch( event->request_code )
3057     {
3058     case X_SetInputFocus:
3059         /* Ignore errors on XSetInputFocus()
3060          * (they happen when a window is not yet mapped) */
3061         return 0;
3062     }
3063
3064 #ifdef HAVE_SYS_SHM_H
3065     if( event->request_code == i_shm_major ) /* MIT-SHM */
3066     {
3067         fprintf( stderr,
3068                  "[????????] x11 video output notice:"
3069                  " buggy X11 server claims shared memory\n"
3070                  "[????????] x11 video output notice:"
3071                  " support though it does not work (OpenSSH?)\n" );
3072         return i_shm_major = 0;
3073     }
3074 #endif
3075
3076 #ifndef HAVE_OSSO
3077     XSetErrorHandler(NULL);
3078     return (XSetErrorHandler(X11ErrorHandler))( display, event );
3079 #else
3080     /* Work-around Maemo Xvideo bug */
3081     return 0;
3082 #endif
3083 }
3084
3085 #ifdef MODULE_NAME_IS_x11
3086 /*****************************************************************************
3087  * SetPalette: sets an 8 bpp palette
3088  *****************************************************************************
3089  * This function sets the palette given as an argument. It does not return
3090  * anything, but could later send information on which colors it was unable
3091  * to set.
3092  *****************************************************************************/
3093 static void SetPalette( vout_thread_t *p_vout,
3094                         uint16_t *red, uint16_t *green, uint16_t *blue )
3095 {
3096     int i;
3097     XColor p_colors[255];
3098
3099     /* allocate palette */
3100     for( i = 0; i < 255; i++ )
3101     {
3102         /* kludge: colors are indexed reversely because color 255 seems
3103          * to be reserved for black even if we try to set it to white */
3104         p_colors[ i ].pixel = 255 - i;
3105         p_colors[ i ].pad   = 0;
3106         p_colors[ i ].flags = DoRed | DoGreen | DoBlue;
3107         p_colors[ i ].red   = red[ 255 - i ];
3108         p_colors[ i ].blue  = blue[ 255 - i ];
3109         p_colors[ i ].green = green[ 255 - i ];
3110     }
3111
3112     XStoreColors( p_vout->p_sys->p_display,
3113                   p_vout->p_sys->colormap, p_colors, 255 );
3114 }
3115 #endif
3116
3117 /*****************************************************************************
3118  * Control: control facility for the vout
3119  *****************************************************************************/
3120 static int Control( vout_thread_t *p_vout, int i_query, va_list args )
3121 {
3122     bool b_arg;
3123     unsigned int i_width, i_height;
3124     unsigned int *pi_width, *pi_height;
3125     Drawable d = 0;
3126
3127     switch( i_query )
3128     {
3129         case VOUT_GET_SIZE:
3130             if( p_vout->p_sys->p_win->owner_window )
3131                 return vout_ControlWindow( p_vout->p_sys->p_win->owner_window,
3132                                            i_query, args);
3133
3134             pi_width  = va_arg( args, unsigned int * );
3135             pi_height = va_arg( args, unsigned int * );
3136
3137             vlc_mutex_lock( &p_vout->p_sys->lock );
3138             *pi_width  = p_vout->p_sys->p_win->i_width;
3139             *pi_height = p_vout->p_sys->p_win->i_height;
3140             vlc_mutex_unlock( &p_vout->p_sys->lock );
3141             return VLC_SUCCESS;
3142
3143         case VOUT_SET_SIZE:
3144             if( p_vout->p_sys->p_win->owner_window )
3145                 return vout_ControlWindow( p_vout->p_sys->p_win->owner_window,
3146                                            i_query, args);
3147
3148             vlc_mutex_lock( &p_vout->p_sys->lock );
3149
3150             i_width  = va_arg( args, unsigned int );
3151             i_height = va_arg( args, unsigned int );
3152             if( !i_width ) i_width = p_vout->i_window_width;
3153             if( !i_height ) i_height = p_vout->i_window_height;
3154
3155 #ifdef MODULE_NAME_IS_xvmc
3156             xvmc_context_reader_lock( &p_vout->p_sys->xvmc_lock );
3157 #endif
3158             /* Update dimensions */
3159             XResizeWindow( p_vout->p_sys->p_display,
3160                            p_vout->p_sys->p_win->base_window,
3161                            i_width, i_height );
3162 #ifdef MODULE_NAME_IS_xvmc
3163             xvmc_context_reader_unlock( &p_vout->p_sys->xvmc_lock );
3164 #endif
3165             vlc_mutex_unlock( &p_vout->p_sys->lock );
3166             return VLC_SUCCESS;
3167
3168        case VOUT_CLOSE:
3169             vlc_mutex_lock( &p_vout->p_sys->lock );
3170             XUnmapWindow( p_vout->p_sys->p_display,
3171                           p_vout->p_sys->original_window.base_window );
3172             vlc_mutex_unlock( &p_vout->p_sys->lock );
3173             /* Fall through */
3174
3175        case VOUT_REPARENT:
3176             vlc_mutex_lock( &p_vout->p_sys->lock );
3177             if( i_query == VOUT_REPARENT ) d = (Drawable)va_arg( args, int );
3178             if( !d )
3179             {
3180 #ifdef MODULE_NAME_IS_xvmc
3181             xvmc_context_reader_lock( &p_vout->p_sys->xvmc_lock );
3182 #endif
3183             XReparentWindow( p_vout->p_sys->p_display,
3184                              p_vout->p_sys->original_window.base_window,
3185                              DefaultRootWindow( p_vout->p_sys->p_display ),
3186                              0, 0 );
3187             }
3188             else
3189             XReparentWindow( p_vout->p_sys->p_display,
3190                              p_vout->p_sys->original_window.base_window,
3191                              d, 0, 0);
3192             XSync( p_vout->p_sys->p_display, False );
3193 #ifdef MODULE_NAME_IS_xvmc
3194             xvmc_context_reader_unlock( &p_vout->p_sys->xvmc_lock );
3195 #endif
3196             vlc_mutex_unlock( &p_vout->p_sys->lock );
3197             vout_ReleaseWindow( p_vout->p_sys->p_win->owner_window );
3198             p_vout->p_sys->original_window.owner_window = NULL;
3199             return VLC_SUCCESS;
3200
3201         case VOUT_SET_STAY_ON_TOP:
3202             if( p_vout->p_sys->p_win->owner_window )
3203                 return vout_ControlWindow( p_vout->p_sys->p_win->owner_window,
3204                                            i_query, args);
3205
3206             b_arg = (bool) va_arg( args, int );
3207             vlc_mutex_lock( &p_vout->p_sys->lock );
3208 #ifdef MODULE_NAME_IS_xvmc
3209             xvmc_context_reader_lock( &p_vout->p_sys->xvmc_lock );
3210 #endif
3211             WindowOnTop( p_vout, b_arg );
3212 #ifdef MODULE_NAME_IS_xvmc
3213             xvmc_context_reader_unlock( &p_vout->p_sys->xvmc_lock );
3214 #endif
3215             vlc_mutex_unlock( &p_vout->p_sys->lock );
3216             return VLC_SUCCESS;
3217
3218        default:
3219             return vout_vaControlDefault( p_vout, i_query, args );
3220     }
3221 }
3222
3223 /*****************************************************************************
3224  * TestNetWMSupport: tests for Extended Window Manager Hints support
3225  *****************************************************************************/
3226 static void TestNetWMSupport( vout_thread_t *p_vout )
3227 {
3228     int i_ret, i_format;
3229     unsigned long i, i_items, i_bytesafter;
3230     Atom net_wm_supported;
3231     union { Atom *p_atom; unsigned char *p_char; } p_args;
3232
3233     p_args.p_atom = NULL;
3234
3235     p_vout->p_sys->b_net_wm_state_fullscreen =
3236     p_vout->p_sys->b_net_wm_state_above =
3237     p_vout->p_sys->b_net_wm_state_below =
3238     p_vout->p_sys->b_net_wm_state_stays_on_top =
3239         false;
3240
3241     net_wm_supported =
3242         XInternAtom( p_vout->p_sys->p_display, "_NET_SUPPORTED", False );
3243
3244     i_ret = XGetWindowProperty( p_vout->p_sys->p_display,
3245                                 DefaultRootWindow( p_vout->p_sys->p_display ),
3246                                 net_wm_supported,
3247                                 0, 16384, False, AnyPropertyType,
3248                                 &net_wm_supported,
3249                                 &i_format, &i_items, &i_bytesafter,
3250                                 (unsigned char **)&p_args );
3251
3252     if( i_ret != Success || i_items == 0 ) return;
3253
3254     msg_Dbg( p_vout, "Window manager supports NetWM" );
3255
3256     p_vout->p_sys->net_wm_state =
3257         XInternAtom( p_vout->p_sys->p_display, "_NET_WM_STATE", False );
3258     p_vout->p_sys->net_wm_state_fullscreen =
3259         XInternAtom( p_vout->p_sys->p_display, "_NET_WM_STATE_FULLSCREEN",
3260                      False );
3261     p_vout->p_sys->net_wm_state_above =
3262         XInternAtom( p_vout->p_sys->p_display, "_NET_WM_STATE_ABOVE", False );
3263     p_vout->p_sys->net_wm_state_below =
3264         XInternAtom( p_vout->p_sys->p_display, "_NET_WM_STATE_BELOW", False );
3265     p_vout->p_sys->net_wm_state_stays_on_top =
3266         XInternAtom( p_vout->p_sys->p_display, "_NET_WM_STATE_STAYS_ON_TOP",
3267                      False );
3268
3269     for( i = 0; i < i_items; i++ )
3270     {
3271         if( p_args.p_atom[i] == p_vout->p_sys->net_wm_state_fullscreen )
3272         {
3273             msg_Dbg( p_vout,
3274                      "Window manager supports _NET_WM_STATE_FULLSCREEN" );
3275             p_vout->p_sys->b_net_wm_state_fullscreen = true;
3276         }
3277         else if( p_args.p_atom[i] == p_vout->p_sys->net_wm_state_above )
3278         {
3279             msg_Dbg( p_vout, "Window manager supports _NET_WM_STATE_ABOVE" );
3280             p_vout->p_sys->b_net_wm_state_above = true;
3281         }
3282         else if( p_args.p_atom[i] == p_vout->p_sys->net_wm_state_below )
3283         {
3284             msg_Dbg( p_vout, "Window manager supports _NET_WM_STATE_BELOW" );
3285             p_vout->p_sys->b_net_wm_state_below = true;
3286         }
3287         else if( p_args.p_atom[i] == p_vout->p_sys->net_wm_state_stays_on_top )
3288         {
3289             msg_Dbg( p_vout,
3290                      "Window manager supports _NET_WM_STATE_STAYS_ON_TOP" );
3291             p_vout->p_sys->b_net_wm_state_stays_on_top = true;
3292         }
3293     }
3294
3295     XFree( p_args.p_atom );
3296 }
3297
3298 /*****************************************************************************
3299  * Key events handling
3300  *****************************************************************************/
3301 static const struct
3302 {
3303     int i_x11key;
3304     int i_vlckey;
3305
3306 } x11keys_to_vlckeys[] =
3307 {
3308     { XK_F1, KEY_F1 }, { XK_F2, KEY_F2 }, { XK_F3, KEY_F3 }, { XK_F4, KEY_F4 },
3309     { XK_F5, KEY_F5 }, { XK_F6, KEY_F6 }, { XK_F7, KEY_F7 }, { XK_F8, KEY_F8 },
3310     { XK_F9, KEY_F9 }, { XK_F10, KEY_F10 }, { XK_F11, KEY_F11 },
3311     { XK_F12, KEY_F12 },
3312
3313     { XK_Return, KEY_ENTER },
3314     { XK_KP_Enter, KEY_ENTER },
3315     { XK_space, KEY_SPACE },
3316     { XK_Escape, KEY_ESC },
3317
3318     { XK_Menu, KEY_MENU },
3319     { XK_Left, KEY_LEFT },
3320     { XK_Right, KEY_RIGHT },
3321     { XK_Up, KEY_UP },
3322     { XK_Down, KEY_DOWN },
3323
3324     { XK_Home, KEY_HOME },
3325     { XK_End, KEY_END },
3326     { XK_Page_Up, KEY_PAGEUP },
3327     { XK_Page_Down, KEY_PAGEDOWN },
3328
3329     { XK_Insert, KEY_INSERT },
3330     { XK_Delete, KEY_DELETE },
3331     { XF86XK_AudioNext, KEY_MEDIA_NEXT_TRACK},
3332     { XF86XK_AudioPrev, KEY_MEDIA_PREV_TRACK},
3333     { XF86XK_AudioMute, KEY_VOLUME_MUTE },
3334     { XF86XK_AudioLowerVolume, KEY_VOLUME_DOWN },
3335     { XF86XK_AudioRaiseVolume, KEY_VOLUME_UP },
3336     { XF86XK_AudioPlay, KEY_MEDIA_PLAY_PAUSE },
3337     { XF86XK_AudioPause, KEY_MEDIA_PLAY_PAUSE },
3338
3339     { 0, 0 }
3340 };
3341
3342 static int ConvertKey( int i_key )
3343 {
3344     int i;
3345
3346     for( i = 0; x11keys_to_vlckeys[i].i_x11key != 0; i++ )
3347     {
3348         if( x11keys_to_vlckeys[i].i_x11key == i_key )
3349         {
3350             return x11keys_to_vlckeys[i].i_vlckey;
3351         }
3352     }
3353
3354     return 0;
3355 }
3356
3357 /*****************************************************************************
3358  * WindowOnTop: Switches the "always on top" state of the video window.
3359  *****************************************************************************/
3360 static int WindowOnTop( vout_thread_t *p_vout, bool b_on_top )
3361 {
3362     if( p_vout->p_sys->b_net_wm_state_stays_on_top )
3363     {
3364         XClientMessageEvent event;
3365
3366         memset( &event, 0, sizeof( XClientMessageEvent ) );
3367
3368         event.type = ClientMessage;
3369         event.message_type = p_vout->p_sys->net_wm_state;
3370         event.display = p_vout->p_sys->p_display;
3371         event.window = p_vout->p_sys->p_win->base_window;
3372         event.format = 32;
3373         event.data.l[ 0 ] = b_on_top; /* set property */
3374         event.data.l[ 1 ] = p_vout->p_sys->net_wm_state_stays_on_top;
3375
3376         XSendEvent( p_vout->p_sys->p_display,
3377                     DefaultRootWindow( p_vout->p_sys->p_display ),
3378                     False, SubstructureRedirectMask,
3379                     (XEvent*)&event );
3380     }
3381
3382     /* use _NET_WM_STATE_ABOVE if window manager
3383      * doesn't handle _NET_WM_STATE_STAYS_ON_TOP */
3384     else if( p_vout->p_sys->b_net_wm_state_above )
3385     {
3386         XClientMessageEvent event;
3387
3388         memset( &event, 0, sizeof( XClientMessageEvent ) );
3389
3390         event.type = ClientMessage;
3391         event.message_type = p_vout->p_sys->net_wm_state;
3392         event.display = p_vout->p_sys->p_display;
3393         event.window = p_vout->p_sys->p_win->base_window;
3394         event.format = 32;
3395         event.data.l[ 0 ] = b_on_top; /* set property */
3396         event.data.l[ 1 ] = p_vout->p_sys->net_wm_state_above;
3397
3398         XSendEvent( p_vout->p_sys->p_display,
3399                     DefaultRootWindow( p_vout->p_sys->p_display ),
3400                     False, SubstructureRedirectMask,
3401                     (XEvent*)&event );
3402     }
3403
3404     return VLC_SUCCESS;
3405 }