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                         var_SetBool( p_vout->p_libvlc, "intf-popupmenu", false );
1306                     }
1307                     break;
1308
1309                 case Button2:
1310                     {
1311                         var_Get( p_vout, "mouse-button-down", &val );
1312                         val.i_int &= ~2;
1313                         var_Set( p_vout, "mouse-button-down", val );
1314
1315                         var_Get( p_vout->p_libvlc, "intf-show", &val );
1316                         val.b_bool = !val.b_bool;
1317                         var_Set( p_vout->p_libvlc, "intf-show", val );
1318                     }
1319                     break;
1320
1321                 case Button3:
1322                     {
1323                         var_Get( p_vout, "mouse-button-down", &val );
1324                         val.i_int &= ~4;
1325                         var_Set( p_vout, "mouse-button-down", val );
1326
1327                         var_SetBool( p_vout->p_libvlc, "intf-popupmenu", true );
1328                     }
1329                     break;
1330
1331                 case Button4:
1332                     var_Get( p_vout, "mouse-button-down", &val );
1333                     val.i_int &= ~8;
1334                     var_Set( p_vout, "mouse-button-down", val );
1335                     break;
1336
1337                 case Button5:
1338                     var_Get( p_vout, "mouse-button-down", &val );
1339                     val.i_int &= ~16;
1340                     var_Set( p_vout, "mouse-button-down", val );
1341                     break;
1342
1343             }
1344         }
1345         /* Mouse move */
1346         else if( xevent.type == MotionNotify )
1347         {
1348             unsigned int i_width, i_height, i_x, i_y;
1349
1350             /* somewhat different use for vout_PlacePicture:
1351              * here the values are needed to give to mouse coordinates
1352              * in the original picture space */
1353             vout_PlacePicture( p_vout, p_vout->p_sys->p_win->i_width,
1354                                p_vout->p_sys->p_win->i_height,
1355                                &i_x, &i_y, &i_width, &i_height );
1356
1357             /* Compute the x coordinate and check if the value is
1358                in [0,p_vout->fmt_in.i_visible_width] */
1359             val.i_int = ( xevent.xmotion.x - i_x ) *
1360                 p_vout->fmt_in.i_visible_width / i_width +
1361                 p_vout->fmt_in.i_x_offset;
1362
1363             if( (int)(xevent.xmotion.x - i_x) < 0 )
1364                 val.i_int = 0;
1365             else if( (unsigned int)val.i_int > p_vout->fmt_in.i_visible_width )
1366                 val.i_int = p_vout->fmt_in.i_visible_width;
1367
1368             var_Set( p_vout, "mouse-x", val );
1369
1370             /* compute the y coordinate and check if the value is
1371                in [0,p_vout->fmt_in.i_visible_height] */
1372             val.i_int = ( xevent.xmotion.y - i_y ) *
1373                 p_vout->fmt_in.i_visible_height / i_height +
1374                 p_vout->fmt_in.i_y_offset;
1375
1376             if( (int)(xevent.xmotion.y - i_y) < 0 )
1377                 val.i_int = 0;
1378             else if( (unsigned int)val.i_int > p_vout->fmt_in.i_visible_height )
1379                 val.i_int = p_vout->fmt_in.i_visible_height;
1380
1381             var_Set( p_vout, "mouse-y", val );
1382
1383             var_SetBool( p_vout, "mouse-moved", true );
1384
1385             p_vout->p_sys->i_time_mouse_last_moved = mdate();
1386             if( ! p_vout->p_sys->b_mouse_pointer_visible )
1387             {
1388                 ToggleCursor( p_vout );
1389             }
1390         }
1391         else if( xevent.type == ReparentNotify /* XXX: why do we get this? */
1392                   || xevent.type == MapNotify
1393                   || xevent.type == UnmapNotify )
1394         {
1395             /* Ignore these events */
1396         }
1397         else /* Other events */
1398         {
1399             msg_Warn( p_vout, "unhandled event %d received", xevent.type );
1400         }
1401     }
1402
1403     /* Handle events for video output sub-window */
1404     while( XCheckWindowEvent( p_vout->p_sys->p_display,
1405                               p_vout->p_sys->p_win->video_window,
1406                               ExposureMask, &xevent ) == True )
1407     {
1408         /* Window exposed (only handled if stream playback is paused) */
1409         if( xevent.type == Expose )
1410         {
1411             if( ((XExposeEvent *)&xevent)->count == 0 )
1412             {
1413                 /* (if this is the last a collection of expose events...) */
1414
1415 #if defined(MODULE_NAME_IS_xvideo)
1416                 x11_window_t *p_win = p_vout->p_sys->p_win;
1417
1418                 /* Paint the colour key if needed */
1419                 if( p_vout->p_sys->b_paint_colourkey &&
1420                     xevent.xexpose.window == p_win->video_window )
1421                 {
1422                     XSetForeground( p_vout->p_sys->p_display,
1423                                     p_win->gc, p_vout->p_sys->i_colourkey );
1424                     XFillRectangle( p_vout->p_sys->p_display,
1425                                     p_win->video_window, p_win->gc, 0, 0,
1426                                     p_win->i_width, p_win->i_height );
1427                 }
1428 #endif
1429
1430 #if 0
1431                 if( p_vout->p_libvlc->p_input_bank->pp_input[0] != NULL )
1432                 {
1433                     if( PAUSE_S == p_vout->p_libvlc->p_input_bank->pp_input[0]
1434                                                    ->stream.control.i_status )
1435                     {
1436                         /* XVideoDisplay( p_vout )*/;
1437                     }
1438                 }
1439 #endif
1440             }
1441         }
1442     }
1443
1444     /* ClientMessage event - only WM_PROTOCOLS with WM_DELETE_WINDOW data
1445      * are handled - according to the man pages, the format is always 32
1446      * in this case */
1447     while( XCheckTypedEvent( p_vout->p_sys->p_display,
1448                              ClientMessage, &xevent ) )
1449     {
1450         if( (xevent.xclient.message_type == p_vout->p_sys->p_win->wm_protocols)
1451                && ((Atom)xevent.xclient.data.l[0]
1452                      == p_vout->p_sys->p_win->wm_delete_window ) )
1453         {
1454             /* the user wants to close the window */
1455             playlist_t * p_playlist = pl_Hold( p_vout );
1456             if( p_playlist != NULL )
1457             {
1458                 playlist_Stop( p_playlist );
1459                 pl_Release( p_vout );
1460             }
1461         }
1462     }
1463
1464     /*
1465      * Fullscreen Change
1466      */
1467     if ( p_vout->i_changes & VOUT_FULLSCREEN_CHANGE )
1468     {
1469         /* Update the object variable and trigger callback */
1470         var_SetBool( p_vout, "fullscreen", !p_vout->b_fullscreen );
1471
1472         ToggleFullScreen( p_vout );
1473         p_vout->i_changes &= ~VOUT_FULLSCREEN_CHANGE;
1474     }
1475
1476     /* autoscale toggle */
1477     if( p_vout->i_changes & VOUT_SCALE_CHANGE )
1478     {
1479         p_vout->i_changes &= ~VOUT_SCALE_CHANGE;
1480
1481         p_vout->b_autoscale = var_GetBool( p_vout, "autoscale" );
1482         p_vout->i_zoom = ZOOM_FP_FACTOR;
1483
1484         p_vout->i_changes |= VOUT_SIZE_CHANGE;
1485     }
1486
1487     /* scaling factor */
1488     if( p_vout->i_changes & VOUT_ZOOM_CHANGE )
1489     {
1490         p_vout->i_changes &= ~VOUT_ZOOM_CHANGE;
1491
1492         p_vout->b_autoscale = false;
1493         p_vout->i_zoom =
1494             (int)( ZOOM_FP_FACTOR * var_GetFloat( p_vout, "scale" ) );
1495
1496         p_vout->i_changes |= VOUT_SIZE_CHANGE;
1497     }
1498
1499     if( p_vout->i_changes & VOUT_CROP_CHANGE ||
1500         p_vout->i_changes & VOUT_ASPECT_CHANGE )
1501     {
1502         p_vout->i_changes &= ~VOUT_CROP_CHANGE;
1503         p_vout->i_changes &= ~VOUT_ASPECT_CHANGE;
1504
1505         p_vout->fmt_out.i_x_offset = p_vout->fmt_in.i_x_offset;
1506         p_vout->fmt_out.i_y_offset = p_vout->fmt_in.i_y_offset;
1507         p_vout->fmt_out.i_visible_width = p_vout->fmt_in.i_visible_width;
1508         p_vout->fmt_out.i_visible_height = p_vout->fmt_in.i_visible_height;
1509         p_vout->fmt_out.i_aspect = p_vout->fmt_in.i_aspect;
1510         p_vout->fmt_out.i_sar_num = p_vout->fmt_in.i_sar_num;
1511         p_vout->fmt_out.i_sar_den = p_vout->fmt_in.i_sar_den;
1512         p_vout->output.i_aspect = p_vout->fmt_in.i_aspect;
1513
1514         p_vout->i_changes |= VOUT_SIZE_CHANGE;
1515     }
1516
1517     /*
1518      * Size change
1519      *
1520      * (Needs to be placed after VOUT_FULLSREEN_CHANGE because we can activate
1521      *  the size flag inside the fullscreen routine)
1522      */
1523     if( p_vout->i_changes & VOUT_SIZE_CHANGE )
1524     {
1525         unsigned int i_width, i_height, i_x, i_y;
1526
1527         p_vout->i_changes &= ~VOUT_SIZE_CHANGE;
1528
1529 #ifdef MODULE_NAME_IS_x11
1530         /* We need to signal the vout thread about the size change because it
1531          * is doing the rescaling */
1532         p_vout->i_changes |= VOUT_SIZE_CHANGE;
1533 #endif
1534
1535         vout_PlacePicture( p_vout, p_vout->p_sys->p_win->i_width,
1536                            p_vout->p_sys->p_win->i_height,
1537                            &i_x, &i_y, &i_width, &i_height );
1538
1539         XMoveResizeWindow( p_vout->p_sys->p_display,
1540                            p_vout->p_sys->p_win->video_window,
1541                            i_x, i_y, i_width, i_height );
1542     }
1543
1544     /* cursor hiding depending on --vout-event option
1545      *      activated if:
1546      *            value = 1 (Fullsupport) (default value)
1547      *         or value = 2 (Fullscreen-Only) and condition met
1548      */
1549     bool b_vout_event = (   ( p_vout->p_sys->i_vout_event == 1 )
1550                          || ( p_vout->p_sys->i_vout_event == 2 && p_vout->b_fullscreen )
1551                         );
1552
1553     /* Autohide Cursour */
1554     if( mdate() - p_vout->p_sys->i_time_mouse_last_moved >
1555         p_vout->p_sys->i_mouse_hide_timeout )
1556     {
1557         /* Hide the mouse automatically */
1558         if( b_vout_event && p_vout->p_sys->b_mouse_pointer_visible )
1559         {
1560             ToggleCursor( p_vout );
1561         }
1562     }
1563
1564 #ifdef MODULE_NAME_IS_xvmc
1565     xvmc_context_reader_unlock( &p_vout->p_sys->xvmc_lock );
1566 #endif
1567
1568 #ifdef HAVE_OSSO
1569     if ( p_vout->p_sys->p_octx != NULL ) {
1570         if ( p_vout->p_sys->i_backlight_on_counter == i_backlight_on_interval ) {
1571             if ( osso_display_blanking_pause( p_vout->p_sys->p_octx ) != OSSO_OK ) {
1572                 msg_Err( p_vout, "Could not disable backlight blanking" );
1573         } else {
1574                 msg_Dbg( p_vout, "Backlight blanking disabled" );
1575             }
1576             p_vout->p_sys->i_backlight_on_counter = 0;
1577         } else {
1578             p_vout->p_sys->i_backlight_on_counter ++;
1579         }
1580     }
1581 #endif
1582
1583     vlc_mutex_unlock( &p_vout->p_sys->lock );
1584     return 0;
1585 }
1586
1587 /*****************************************************************************
1588  * EndVideo: terminate X11 video thread output method
1589  *****************************************************************************
1590  * Destroy the X11 XImages created by Init. It is called at the end of
1591  * the thread, but also each time the window is resized.
1592  *****************************************************************************/
1593 static void EndVideo( vout_thread_t *p_vout )
1594 {
1595     int i_index;
1596
1597     /* Free the direct buffers we allocated */
1598     for( i_index = I_OUTPUTPICTURES ; i_index ; )
1599     {
1600         i_index--;
1601         FreePicture( p_vout, PP_OUTPUTPICTURE[ i_index ] );
1602     }
1603 }
1604
1605 /* following functions are local */
1606
1607 /*****************************************************************************
1608  * CreateWindow: open and set-up X11 main window
1609  *****************************************************************************/
1610 static int CreateWindow( vout_thread_t *p_vout, x11_window_t *p_win )
1611 {
1612     XSizeHints              xsize_hints;
1613     XSetWindowAttributes    xwindow_attributes;
1614     XGCValues               xgcvalues;
1615     XEvent                  xevent;
1616
1617     bool              b_expose = false;
1618     bool              b_configure_notify = false;
1619     bool              b_map_notify = false;
1620     vlc_value_t             val;
1621
1622     /* Prepare window manager hints and properties */
1623     p_win->wm_protocols =
1624              XInternAtom( p_vout->p_sys->p_display, "WM_PROTOCOLS", True );
1625     p_win->wm_delete_window =
1626              XInternAtom( p_vout->p_sys->p_display, "WM_DELETE_WINDOW", True );
1627
1628     /* Never have a 0-pixel-wide window */
1629     xsize_hints.min_width = 2;
1630     xsize_hints.min_height = 1;
1631
1632     /* Prepare window attributes */
1633     xwindow_attributes.backing_store = Always;       /* save the hidden part */
1634     xwindow_attributes.background_pixel = BlackPixel(p_vout->p_sys->p_display,
1635                                                      p_vout->p_sys->i_screen);
1636     xwindow_attributes.event_mask = ExposureMask | StructureNotifyMask;
1637
1638     if( !p_vout->b_fullscreen )
1639     {
1640         p_win->owner_window = vout_RequestXWindow( p_vout, &p_win->i_x,
1641                               &p_win->i_y, &p_win->i_width, &p_win->i_height );
1642         xsize_hints.base_width  = xsize_hints.width = p_win->i_width;
1643         xsize_hints.base_height = xsize_hints.height = p_win->i_height;
1644         xsize_hints.flags       = PSize | PMinSize;
1645
1646         if( p_win->i_x >=0 || p_win->i_y >= 0 )
1647         {
1648             xsize_hints.x = p_win->i_x;
1649             xsize_hints.y = p_win->i_y;
1650             xsize_hints.flags |= PPosition;
1651         }
1652     }
1653     else
1654     {
1655         /* Fullscreen window size and position */
1656         p_win->owner_window = NULL;
1657         p_win->i_x = p_win->i_y = 0;
1658         p_win->i_width =
1659             DisplayWidth( p_vout->p_sys->p_display, p_vout->p_sys->i_screen );
1660         p_win->i_height =
1661             DisplayHeight( p_vout->p_sys->p_display, p_vout->p_sys->i_screen );
1662     }
1663
1664     if( !p_win->owner_window )
1665     {
1666         /* Create the window and set hints - the window must receive
1667          * ConfigureNotify events, and until it is displayed, Expose and
1668          * MapNotify events. */
1669
1670         p_win->base_window =
1671             XCreateWindow( p_vout->p_sys->p_display,
1672                            DefaultRootWindow( p_vout->p_sys->p_display ),
1673                            p_win->i_x, p_win->i_y,
1674                            p_win->i_width, p_win->i_height,
1675                            0,
1676                            0, InputOutput, 0,
1677                            CWBackingStore | CWBackPixel | CWEventMask,
1678                            &xwindow_attributes );
1679
1680         var_Get( p_vout, "video-title", &val );
1681         if( !val.psz_string || !*val.psz_string )
1682         {
1683             XStoreName( p_vout->p_sys->p_display, p_win->base_window,
1684 #ifdef MODULE_NAME_IS_x11
1685                         VOUT_TITLE " (X11 output)"
1686 #elif defined(MODULE_NAME_IS_glx)
1687                         VOUT_TITLE " (GLX output)"
1688 #else
1689                         VOUT_TITLE " (XVideo output)"
1690 #endif
1691               );
1692         }
1693         else
1694         {
1695             XStoreName( p_vout->p_sys->p_display,
1696                         p_win->base_window, val.psz_string );
1697         }
1698         free( val.psz_string );
1699
1700         if( !p_vout->b_fullscreen )
1701         {
1702             const char *argv[] = { "vlc", NULL };
1703
1704             /* Set window manager hints and properties: size hints, command,
1705              * window's name, and accepted protocols */
1706             XSetWMNormalHints( p_vout->p_sys->p_display,
1707                                p_win->base_window, &xsize_hints );
1708             XSetCommand( p_vout->p_sys->p_display, p_win->base_window,
1709                          (char**)argv, 1 );
1710
1711             if( !var_GetBool( p_vout, "video-deco") )
1712             {
1713                 Atom prop;
1714                 mwmhints_t mwmhints;
1715
1716                 mwmhints.flags = MWM_HINTS_DECORATIONS;
1717                 mwmhints.decorations = False;
1718
1719                 prop = XInternAtom( p_vout->p_sys->p_display, "_MOTIF_WM_HINTS",
1720                                     False );
1721
1722                 XChangeProperty( p_vout->p_sys->p_display,
1723                                  p_win->base_window,
1724                                  prop, prop, 32, PropModeReplace,
1725                                  (unsigned char *)&mwmhints,
1726                                  PROP_MWM_HINTS_ELEMENTS );
1727             }
1728         }
1729     }
1730     else
1731     {
1732         Window dummy1;
1733         int dummy2, dummy3;
1734         unsigned int dummy4, dummy5;
1735
1736         /* Select events we are interested in. */
1737         XSelectInput( p_vout->p_sys->p_display,
1738                       p_win->owner_window->handle.xid, StructureNotifyMask );
1739
1740         /* Get the parent window's geometry information */
1741         XGetGeometry( p_vout->p_sys->p_display,
1742                       p_win->owner_window->handle.xid,
1743                       &dummy1, &dummy2, &dummy3,
1744                       &p_win->i_width,
1745                       &p_win->i_height,
1746                       &dummy4, &dummy5 );
1747
1748         /* We are already configured */
1749         b_configure_notify = true;
1750
1751         /* From man XSelectInput: only one client at a time can select a
1752          * ButtonPress event, so we need to open a new window anyway. */
1753         p_win->base_window =
1754             XCreateWindow( p_vout->p_sys->p_display,
1755                            p_win->owner_window->handle.xid,
1756                            0, 0,
1757                            p_win->i_width, p_win->i_height,
1758                            0,
1759                            0, CopyFromParent, 0,
1760                            CWBackingStore | CWBackPixel | CWEventMask,
1761                            &xwindow_attributes );
1762     }
1763
1764     if( (p_win->wm_protocols == None)        /* use WM_DELETE_WINDOW */
1765         || (p_win->wm_delete_window == None)
1766         || !XSetWMProtocols( p_vout->p_sys->p_display, p_win->base_window,
1767                              &p_win->wm_delete_window, 1 ) )
1768     {
1769         /* WM_DELETE_WINDOW is not supported by window manager */
1770         msg_Warn( p_vout, "missing or bad window manager" );
1771     }
1772
1773     /* Creation of a graphic context that doesn't generate a GraphicsExpose
1774      * event when using functions like XCopyArea */
1775     xgcvalues.graphics_exposures = False;
1776     p_win->gc = XCreateGC( p_vout->p_sys->p_display,
1777                            p_win->base_window,
1778                            GCGraphicsExposures, &xgcvalues );
1779
1780     /* Send orders to server, and wait until window is displayed - three
1781      * events must be received: a MapNotify event, an Expose event allowing
1782      * drawing in the window, and a ConfigureNotify to get the window
1783      * dimensions. Once those events have been received, only
1784      * ConfigureNotify events need to be received. */
1785     XMapWindow( p_vout->p_sys->p_display, p_win->base_window );
1786     do
1787     {
1788         XWindowEvent( p_vout->p_sys->p_display, p_win->base_window,
1789                       SubstructureNotifyMask | StructureNotifyMask |
1790                       ExposureMask, &xevent);
1791         if( (xevent.type == Expose)
1792             && (xevent.xexpose.window == p_win->base_window) )
1793         {
1794             b_expose = true;
1795             /* ConfigureNotify isn't sent if there isn't a window manager.
1796              * Expose should be the last event to be received so it should
1797              * be fine to assume we won't receive it anymore. */
1798             b_configure_notify = true;
1799         }
1800         else if( (xevent.type == MapNotify)
1801                  && (xevent.xmap.window == p_win->base_window) )
1802         {
1803             b_map_notify = true;
1804         }
1805         else if( (xevent.type == ConfigureNotify)
1806                  && (xevent.xconfigure.window == p_win->base_window) )
1807         {
1808             b_configure_notify = true;
1809             p_win->i_width = xevent.xconfigure.width;
1810             p_win->i_height = xevent.xconfigure.height;
1811         }
1812     } while( !( b_expose && b_configure_notify && b_map_notify ) );
1813
1814     /* key and mouse events handling depending on --vout-event option
1815      *      activated if:
1816      *            value = 1 (Fullsupport) (default value)
1817      *         or value = 2 (Fullscreen-Only) and condition met
1818      */
1819     bool b_vout_event = (   ( p_vout->p_sys->i_vout_event == 1 )
1820                          || ( p_vout->p_sys->i_vout_event == 2 && p_vout->b_fullscreen )
1821                         );
1822     if ( b_vout_event )
1823         XSelectInput( p_vout->p_sys->p_display, p_win->base_window,
1824                       StructureNotifyMask | KeyPressMask |
1825                       ButtonPressMask | ButtonReleaseMask |
1826                       PointerMotionMask );
1827
1828 #ifdef MODULE_NAME_IS_x11
1829     if( XDefaultDepth(p_vout->p_sys->p_display, p_vout->p_sys->i_screen) == 8 )
1830     {
1831         /* Allocate a new palette */
1832         p_vout->p_sys->colormap =
1833             XCreateColormap( p_vout->p_sys->p_display,
1834                              DefaultRootWindow( p_vout->p_sys->p_display ),
1835                              DefaultVisual( p_vout->p_sys->p_display,
1836                                             p_vout->p_sys->i_screen ),
1837                              AllocAll );
1838
1839         xwindow_attributes.colormap = p_vout->p_sys->colormap;
1840         XChangeWindowAttributes( p_vout->p_sys->p_display, p_win->base_window,
1841                                  CWColormap, &xwindow_attributes );
1842     }
1843 #endif
1844
1845     /* Create video output sub-window. */
1846     p_win->video_window =  XCreateSimpleWindow(
1847                                       p_vout->p_sys->p_display,
1848                                       p_win->base_window, 0, 0,
1849                                       p_win->i_width, p_win->i_height,
1850                                       0,
1851                                       BlackPixel( p_vout->p_sys->p_display,
1852                                                   p_vout->p_sys->i_screen ),
1853                                       WhitePixel( p_vout->p_sys->p_display,
1854                                                   p_vout->p_sys->i_screen ) );
1855
1856     XSetWindowBackground( p_vout->p_sys->p_display, p_win->video_window,
1857                           BlackPixel( p_vout->p_sys->p_display,
1858                                       p_vout->p_sys->i_screen ) );
1859
1860     XMapWindow( p_vout->p_sys->p_display, p_win->video_window );
1861     XSelectInput( p_vout->p_sys->p_display, p_win->video_window,
1862                   ExposureMask );
1863
1864     /* make sure the video window will be centered in the next ManageVideo() */
1865     p_vout->i_changes |= VOUT_SIZE_CHANGE;
1866
1867     /* If the cursor was formerly blank than blank it again */
1868     if( !p_vout->p_sys->b_mouse_pointer_visible )
1869     {
1870         ToggleCursor( p_vout );
1871         ToggleCursor( p_vout );
1872     }
1873
1874     /* Do NOT use XFlush here ! */
1875     XSync( p_vout->p_sys->p_display, False );
1876
1877     /* At this stage, the window is open, displayed, and ready to
1878      * receive data */
1879     p_vout->p_sys->p_win = p_win;
1880
1881     return VLC_SUCCESS;
1882 }
1883
1884 /*****************************************************************************
1885  * DestroyWindow: destroy the window
1886  *****************************************************************************
1887  *
1888  *****************************************************************************/
1889 static void DestroyWindow( vout_thread_t *p_vout, x11_window_t *p_win )
1890 {
1891     /* Do NOT use XFlush here ! */
1892     XSync( p_vout->p_sys->p_display, False );
1893
1894     if( p_win->video_window != None )
1895         XDestroyWindow( p_vout->p_sys->p_display, p_win->video_window );
1896
1897     XFreeGC( p_vout->p_sys->p_display, p_win->gc );
1898
1899     XUnmapWindow( p_vout->p_sys->p_display, p_win->base_window );
1900     XDestroyWindow( p_vout->p_sys->p_display, p_win->base_window );
1901
1902     vout_ReleaseWindow( p_win->owner_window );
1903 }
1904
1905 /*****************************************************************************
1906  * NewPicture: allocate a picture
1907  *****************************************************************************
1908  * Returns 0 on success, -1 otherwise
1909  *****************************************************************************/
1910 static int NewPicture( vout_thread_t *p_vout, picture_t *p_pic )
1911 {
1912 #ifndef MODULE_NAME_IS_glx
1913
1914 #if defined(MODULE_NAME_IS_xvideo) || defined(MODULE_NAME_IS_xvmc)
1915     int i_plane;
1916 #endif
1917
1918     /* We know the chroma, allocate a buffer which will be used
1919      * directly by the decoder */
1920     p_pic->p_sys = malloc( sizeof( picture_sys_t ) );
1921
1922     if( p_pic->p_sys == NULL )
1923     {
1924         return -1;
1925     }
1926
1927 #ifdef MODULE_NAME_IS_xvmc
1928     p_pic->p_sys->p_vout = p_vout;
1929     p_pic->p_sys->xvmc_surf = NULL;
1930     p_pic->p_sys->xxmc_data.decoded = 0;
1931     p_pic->p_sys->xxmc_data.proc_xxmc_update_frame = xxmc_do_update_frame;
1932     //    p_pic->p_accel_data = &p_pic->p_sys->xxmc_data;
1933     p_pic->p_sys->nb_display = 0;
1934 #endif
1935
1936     /* Fill in picture_t fields */
1937     vout_InitPicture( VLC_OBJECT(p_vout), p_pic, p_vout->output.i_chroma,
1938                       p_vout->output.i_width, p_vout->output.i_height,
1939                       p_vout->output.i_aspect );
1940
1941 #ifdef HAVE_SYS_SHM_H
1942     if( p_vout->p_sys->i_shm_opcode )
1943     {
1944         /* Create image using XShm extension */
1945         p_pic->p_sys->p_image =
1946             CreateShmImage( p_vout, p_vout->p_sys->p_display,
1947 #   if defined(MODULE_NAME_IS_xvideo) || defined(MODULE_NAME_IS_xvmc)
1948                             p_vout->p_sys->i_xvport,
1949                             VLC2X11_FOURCC(p_vout->output.i_chroma),
1950 #   else
1951                             p_vout->p_sys->p_visual,
1952                             p_vout->p_sys->i_screen_depth,
1953 #   endif
1954                             &p_pic->p_sys->shminfo,
1955                             p_vout->output.i_width, p_vout->output.i_height );
1956     }
1957
1958     if( !p_vout->p_sys->i_shm_opcode || !p_pic->p_sys->p_image )
1959 #endif /* HAVE_SYS_SHM_H */
1960     {
1961         /* Create image without XShm extension */
1962         p_pic->p_sys->p_image =
1963             CreateImage( p_vout, p_vout->p_sys->p_display,
1964 #if defined(MODULE_NAME_IS_xvideo) || defined(MODULE_NAME_IS_xvmc)
1965                          p_vout->p_sys->i_xvport,
1966                          VLC2X11_FOURCC(p_vout->output.i_chroma),
1967                          p_pic->format.i_bits_per_pixel,
1968 #else
1969                          p_vout->p_sys->p_visual,
1970                          p_vout->p_sys->i_screen_depth,
1971                          p_vout->p_sys->i_bytes_per_pixel,
1972 #endif
1973                          p_vout->output.i_width, p_vout->output.i_height );
1974
1975 #ifdef HAVE_SYS_SHM_H
1976         if( p_pic->p_sys->p_image && p_vout->p_sys->i_shm_opcode )
1977         {
1978             msg_Warn( p_vout, "couldn't create SHM image, disabling SHM" );
1979             p_vout->p_sys->i_shm_opcode = 0;
1980         }
1981 #endif /* HAVE_SYS_SHM_H */
1982     }
1983
1984     if( p_pic->p_sys->p_image == NULL )
1985     {
1986         free( p_pic->p_sys );
1987         return -1;
1988     }
1989
1990     switch( p_vout->output.i_chroma )
1991     {
1992 #if defined(MODULE_NAME_IS_xvideo) || defined(MODULE_NAME_IS_xvmc)
1993         case VLC_FOURCC('I','4','2','0'):
1994         case VLC_FOURCC('Y','V','1','2'):
1995         case VLC_FOURCC('Y','2','1','1'):
1996         case VLC_FOURCC('Y','U','Y','2'):
1997         case VLC_FOURCC('U','Y','V','Y'):
1998         case VLC_FOURCC('R','V','1','5'):
1999         case VLC_FOURCC('R','V','1','6'):
2000         case VLC_FOURCC('R','V','2','4'): /* Fixme: pixel pitch == 4 ? */
2001         case VLC_FOURCC('R','V','3','2'):
2002
2003             for( i_plane = 0; i_plane < p_pic->p_sys->p_image->num_planes;
2004                  i_plane++ )
2005             {
2006                 p_pic->p[i_plane].p_pixels = (uint8_t*)p_pic->p_sys->p_image->data
2007                     + p_pic->p_sys->p_image->offsets[i_plane];
2008                 p_pic->p[i_plane].i_pitch =
2009                     p_pic->p_sys->p_image->pitches[i_plane];
2010             }
2011             if( p_vout->output.i_chroma == VLC_FOURCC('Y','V','1','2') )
2012             {
2013                 /* U and V inverted compared to I420
2014                  * Fixme: this should be handled by the vout core */
2015                 p_pic->U_PIXELS = (uint8_t*)p_pic->p_sys->p_image->data
2016                     + p_pic->p_sys->p_image->offsets[2];
2017                 p_pic->V_PIXELS = (uint8_t*)p_pic->p_sys->p_image->data
2018                     + p_pic->p_sys->p_image->offsets[1];
2019             }
2020
2021             break;
2022
2023 #else
2024         case VLC_FOURCC('R','G','B','2'):
2025         case VLC_FOURCC('R','V','1','6'):
2026         case VLC_FOURCC('R','V','1','5'):
2027         case VLC_FOURCC('R','V','2','4'):
2028         case VLC_FOURCC('R','V','3','2'):
2029
2030             p_pic->p->i_lines = p_pic->p_sys->p_image->height;
2031             p_pic->p->i_visible_lines = p_pic->p_sys->p_image->height;
2032             p_pic->p->p_pixels = (uint8_t*)p_pic->p_sys->p_image->data
2033                                   + p_pic->p_sys->p_image->xoffset;
2034             p_pic->p->i_pitch = p_pic->p_sys->p_image->bytes_per_line;
2035
2036             /* p_pic->p->i_pixel_pitch = 4 for RV24 but this should be set
2037              * properly by vout_InitPicture() */
2038             p_pic->p->i_visible_pitch = p_pic->p->i_pixel_pitch
2039                                          * p_pic->p_sys->p_image->width;
2040             break;
2041 #endif
2042
2043         default:
2044             /* Unknown chroma, tell the guy to get lost */
2045             IMAGE_FREE( p_pic->p_sys->p_image );
2046             free( p_pic->p_sys );
2047             msg_Err( p_vout, "never heard of chroma 0x%.8x (%4.4s)",
2048                      p_vout->output.i_chroma, (char*)&p_vout->output.i_chroma );
2049             p_pic->i_planes = 0;
2050             return -1;
2051     }
2052 #else
2053
2054     VLC_UNUSED(p_vout); VLC_UNUSED(p_pic);
2055
2056 #endif /* !MODULE_NAME_IS_glx */
2057
2058     return 0;
2059 }
2060
2061 /*****************************************************************************
2062  * FreePicture: destroy a picture allocated with NewPicture
2063  *****************************************************************************
2064  * Destroy XImage AND associated data. If using Shm, detach shared memory
2065  * segment from server and process, then free it. The XDestroyImage manpage
2066  * says that both the image structure _and_ the data pointed to by the
2067  * image structure are freed, so no need to free p_image->data.
2068  *****************************************************************************/
2069 static void FreePicture( vout_thread_t *p_vout, picture_t *p_pic )
2070 {
2071     /* The order of operations is correct */
2072 #ifdef HAVE_SYS_SHM_H
2073     if( p_vout->p_sys->i_shm_opcode )
2074     {
2075         XShmDetach( p_vout->p_sys->p_display, &p_pic->p_sys->shminfo );
2076         IMAGE_FREE( p_pic->p_sys->p_image );
2077
2078         shmctl( p_pic->p_sys->shminfo.shmid, IPC_RMID, 0 );
2079         if( shmdt( p_pic->p_sys->shminfo.shmaddr ) )
2080         {
2081             msg_Err( p_vout, "cannot detach shared memory (%m)" );
2082         }
2083     }
2084     else
2085 #endif
2086     {
2087         IMAGE_FREE( p_pic->p_sys->p_image );
2088     }
2089
2090 #ifdef MODULE_NAME_IS_xvmc
2091     if( p_pic->p_sys->xvmc_surf != NULL )
2092     {
2093         xxmc_xvmc_free_surface(p_vout , p_pic->p_sys->xvmc_surf);
2094         p_pic->p_sys->xvmc_surf = NULL;
2095     }
2096 #endif
2097
2098     /* Do NOT use XFlush here ! */
2099     XSync( p_vout->p_sys->p_display, False );
2100
2101     free( p_pic->p_sys );
2102 }
2103
2104 /*****************************************************************************
2105  * ToggleFullScreen: Enable or disable full screen mode
2106  *****************************************************************************
2107  * This function will switch between fullscreen and window mode.
2108  *****************************************************************************/
2109 static void ToggleFullScreen ( vout_thread_t *p_vout )
2110 {
2111     Atom prop;
2112     XEvent xevent;
2113     mwmhints_t mwmhints;
2114     XSetWindowAttributes attributes;
2115
2116 #ifdef HAVE_XINERAMA
2117     int i_d1, i_d2;
2118 #endif
2119
2120     p_vout->b_fullscreen = !p_vout->b_fullscreen;
2121
2122     if( p_vout->b_fullscreen )
2123     {
2124         msg_Dbg( p_vout, "entering fullscreen mode" );
2125
2126         /* Getting current window position */
2127         Window root_win;
2128         Window* child_windows;
2129         unsigned int num_child_windows;
2130         Window parent_win;
2131         Window child_win;
2132         XWindowAttributes win_attr;
2133         int screen_x,screen_y;
2134
2135         XGetWindowAttributes(
2136                 p_vout->p_sys->p_display,
2137                 p_vout->p_sys->p_win->video_window,
2138                 &win_attr);
2139
2140         XQueryTree(
2141                 p_vout->p_sys->p_display,
2142                 p_vout->p_sys->p_win->video_window,
2143                 &root_win,
2144                 &parent_win,
2145                 &child_windows,
2146                 &num_child_windows);
2147         XFree(child_windows);
2148
2149         XTranslateCoordinates(
2150                 p_vout->p_sys->p_display,
2151                 parent_win, win_attr.root,
2152                 win_attr.x,win_attr.y,
2153                 &screen_x,&screen_y,
2154                 &child_win);
2155
2156         msg_Dbg( p_vout, "X %d/%d Y %d/%d", win_attr.x,screen_x,win_attr.y,screen_y);
2157         /* screen_x and screen_y are current position */
2158
2159         p_vout->p_sys->b_altfullscreen =
2160             config_GetInt( p_vout, MODULE_STRING "-altfullscreen" );
2161
2162         XUnmapWindow( p_vout->p_sys->p_display,
2163                       p_vout->p_sys->p_win->base_window );
2164
2165         p_vout->p_sys->p_win = &p_vout->p_sys->fullscreen_window;
2166
2167         CreateWindow( p_vout, p_vout->p_sys->p_win );
2168         XDestroyWindow( p_vout->p_sys->p_display,
2169                         p_vout->p_sys->fullscreen_window.video_window );
2170         XReparentWindow( p_vout->p_sys->p_display,
2171                          p_vout->p_sys->original_window.video_window,
2172                          p_vout->p_sys->fullscreen_window.base_window, 0, 0 );
2173         p_vout->p_sys->fullscreen_window.video_window =
2174             p_vout->p_sys->original_window.video_window;
2175
2176         /* To my knowledge there are two ways to create a borderless window.
2177          * There's the generic way which is to tell x to bypass the window
2178          * manager, but this creates problems with the focus of other
2179          * applications.
2180          * The other way is to use the motif property "_MOTIF_WM_HINTS" which
2181          * luckily seems to be supported by most window managers. */
2182         if( !p_vout->p_sys->b_altfullscreen )
2183         {
2184             mwmhints.flags = MWM_HINTS_DECORATIONS;
2185             mwmhints.decorations = False;
2186
2187             prop = XInternAtom( p_vout->p_sys->p_display, "_MOTIF_WM_HINTS",
2188                                 False );
2189             XChangeProperty( p_vout->p_sys->p_display,
2190                              p_vout->p_sys->p_win->base_window,
2191                              prop, prop, 32, PropModeReplace,
2192                              (unsigned char *)&mwmhints,
2193                              PROP_MWM_HINTS_ELEMENTS );
2194         }
2195         else
2196         {
2197             /* brute force way to remove decorations */
2198             attributes.override_redirect = True;
2199             XChangeWindowAttributes( p_vout->p_sys->p_display,
2200                                      p_vout->p_sys->p_win->base_window,
2201                                      CWOverrideRedirect,
2202                                      &attributes);
2203
2204             /* Make sure the change is effective */
2205             XReparentWindow( p_vout->p_sys->p_display,
2206                              p_vout->p_sys->p_win->base_window,
2207                              DefaultRootWindow( p_vout->p_sys->p_display ),
2208                              0, 0 );
2209         }
2210
2211         if( p_vout->p_sys->b_net_wm_state_fullscreen )
2212         {
2213             XClientMessageEvent event;
2214
2215             memset( &event, 0, sizeof( XClientMessageEvent ) );
2216
2217             event.type = ClientMessage;
2218             event.message_type = p_vout->p_sys->net_wm_state;
2219             event.display = p_vout->p_sys->p_display;
2220             event.window = p_vout->p_sys->p_win->base_window;
2221             event.format = 32;
2222             event.data.l[ 0 ] = 1; /* set property */
2223             event.data.l[ 1 ] = p_vout->p_sys->net_wm_state_fullscreen;
2224
2225             XSendEvent( p_vout->p_sys->p_display,
2226                         DefaultRootWindow( p_vout->p_sys->p_display ),
2227                         False, SubstructureRedirectMask,
2228                         (XEvent*)&event );
2229         }
2230
2231 /* "bad fullscreen" - set this to 0. doing fullscreen this way is problematic
2232  * for many reasons and basically fights with the window manager as the wm
2233  * reparents AND vlc goes and reparents - multiple times. don't do it. it just
2234  * makes it more inefficient and less "nice" to the x11 citizenry. this turns
2235  * it off */
2236 #define BADFS 0
2237 /* explicitly asking for focus when you fullscreened is a little silly. the
2238  * window manager SHOULD be handling this itself based on its own focus
2239  * policies. if the user is "using" a given xinerama/xrandr screen or x11
2240  * multihead screen AND vlc wants to fullscreen the wm should also focus it
2241  * as its the only thing on the screen. if vlc fullscreens and its on
2242  * "another monitor" to the one the user is using - this may "steal" the focus
2243  * as really the wm should be deciding if, on fullscreening of a window
2244  * the focus should go there or not, so let the wm decided */
2245 #define APPFOCUS 0
2246         /* Make sure the change is effective */
2247         XReparentWindow( p_vout->p_sys->p_display,
2248                          p_vout->p_sys->p_win->base_window,
2249                          DefaultRootWindow( p_vout->p_sys->p_display ),
2250                          0, 0 );
2251
2252 #ifdef HAVE_XINERAMA
2253         if( XineramaQueryExtension( p_vout->p_sys->p_display, &i_d1, &i_d2 ) &&
2254             XineramaIsActive( p_vout->p_sys->p_display ) )
2255         {
2256             XineramaScreenInfo *screens;   /* infos for xinerama */
2257             int i_num_screens;
2258
2259             msg_Dbg( p_vout, "using XFree Xinerama extension");
2260
2261 #define SCREEN p_vout->p_sys->p_win->i_screen
2262
2263             /* Get Information about Xinerama (num of screens) */
2264             screens = XineramaQueryScreens( p_vout->p_sys->p_display,
2265                                             &i_num_screens );
2266
2267             SCREEN = config_GetInt( p_vout,
2268                                         MODULE_STRING "-xineramascreen" );
2269
2270             /* just check that user has entered a good value,
2271              * otherwise use that screen where window is */
2272             if( SCREEN >= i_num_screens || SCREEN < 0 )
2273             {
2274                 msg_Dbg( p_vout, "requested screen number invalid (%d/%d)", SCREEN, i_num_screens );
2275 #define left screens[SCREEN].x_org
2276 #define right left + screens[SCREEN].width
2277 #define top screens[SCREEN].y_org
2278 #define bottom top + screens[SCREEN].height
2279
2280                  for( SCREEN = i_num_screens-1; SCREEN > 0; SCREEN--)
2281                  {
2282                      if( left <= screen_x && screen_x <= right &&
2283                              top <= screen_y && screen_y <= bottom )
2284                          break;
2285                  }
2286 #undef bottom
2287 #undef top
2288 #undef right
2289 #undef left
2290             }
2291
2292             /* Get the X/Y upper left corner coordinate of the above screen */
2293             p_vout->p_sys->p_win->i_x = screens[SCREEN].x_org;
2294             p_vout->p_sys->p_win->i_y = screens[SCREEN].y_org;
2295
2296             /* Set the Height/width to the screen resolution */
2297             p_vout->p_sys->p_win->i_width = screens[SCREEN].width;
2298             p_vout->p_sys->p_win->i_height = screens[SCREEN].height;
2299
2300             XFree(screens);
2301
2302 #undef SCREEN
2303
2304         }
2305         else
2306 #endif
2307         {
2308             /* The window wasn't necessarily created at the requested size */
2309             p_vout->p_sys->p_win->i_x = p_vout->p_sys->p_win->i_y = 0;
2310
2311 #ifdef HAVE_XF86VIDMODE
2312             XF86VidModeModeLine mode;
2313             int i_dummy;
2314
2315             if( XF86VidModeGetModeLine( p_vout->p_sys->p_display,
2316                                         p_vout->p_sys->i_screen, &i_dummy,
2317                                         &mode ) )
2318             {
2319                 p_vout->p_sys->p_win->i_width = mode.hdisplay;
2320                 p_vout->p_sys->p_win->i_height = mode.vdisplay;
2321
2322                 /* move cursor to the middle of the window to prevent
2323                  * unwanted display move if the display is smaller than the
2324                  * full desktop */
2325                 XWarpPointer( p_vout->p_sys->p_display, None,
2326                               p_vout->p_sys->p_win->base_window, 0, 0, 0, 0,
2327                               mode.hdisplay / 2 , mode.vdisplay / 2 );
2328                 /* force desktop view to upper left corner */
2329                 XF86VidModeSetViewPort( p_vout->p_sys->p_display,
2330                                         p_vout->p_sys->i_screen, 0, 0 );
2331             }
2332             else
2333 #endif
2334             {
2335                 p_vout->p_sys->p_win->i_width =
2336                     DisplayWidth( p_vout->p_sys->p_display,
2337                                 p_vout->p_sys->i_screen );
2338                 p_vout->p_sys->p_win->i_height =
2339                     DisplayHeight( p_vout->p_sys->p_display,
2340                                 p_vout->p_sys->i_screen );
2341             }
2342
2343         }
2344
2345         XMoveResizeWindow( p_vout->p_sys->p_display,
2346                            p_vout->p_sys->p_win->base_window,
2347                            p_vout->p_sys->p_win->i_x,
2348                            p_vout->p_sys->p_win->i_y,
2349                            p_vout->p_sys->p_win->i_width,
2350                            p_vout->p_sys->p_win->i_height );
2351
2352 #ifdef HAVE_XSP
2353         EnablePixelDoubling( p_vout );
2354 #endif
2355
2356 #if APPFOCUS // RASTER: let the wm do focus policy
2357         /* Activate the window (give it the focus) */
2358         XClientMessageEvent event;
2359
2360         memset( &event, 0, sizeof( XClientMessageEvent ) );
2361
2362         event.type = ClientMessage;
2363         event.message_type =
2364            XInternAtom( p_vout->p_sys->p_display, "_NET_ACTIVE_WINDOW", False );
2365         event.display = p_vout->p_sys->p_display;
2366         event.window = p_vout->p_sys->p_win->base_window;
2367         event.format = 32;
2368         event.data.l[ 0 ] = 1; /* source indication (1 = from an application */
2369         event.data.l[ 1 ] = 0; /* timestamp */
2370         event.data.l[ 2 ] = 0; /* requestor's currently active window */
2371         /* XXX: window manager would be more likely to obey if we already have
2372          * an active window (and give it to the event), such as an interface */
2373
2374         XSendEvent( p_vout->p_sys->p_display,
2375                     DefaultRootWindow( p_vout->p_sys->p_display ),
2376                     False, SubstructureRedirectMask,
2377                     (XEvent*)&event );
2378 #endif
2379     }
2380     else
2381     {
2382         msg_Dbg( p_vout, "leaving fullscreen mode" );
2383
2384 #ifdef HAVE_XSP
2385         DisablePixelDoubling( p_vout );
2386 #endif
2387
2388         XReparentWindow( p_vout->p_sys->p_display,
2389                          p_vout->p_sys->original_window.video_window,
2390                          p_vout->p_sys->original_window.base_window, 0, 0 );
2391
2392         p_vout->p_sys->fullscreen_window.video_window = None;
2393         DestroyWindow( p_vout, &p_vout->p_sys->fullscreen_window );
2394         p_vout->p_sys->p_win = &p_vout->p_sys->original_window;
2395
2396         XMapWindow( p_vout->p_sys->p_display,
2397                     p_vout->p_sys->p_win->base_window );
2398     }
2399
2400     /* Unfortunately, using XSync() here is not enough to ensure the
2401      * window has already been mapped because the XMapWindow() request
2402      * has not necessarily been sent directly to our window (remember,
2403      * the call is first redirected to the window manager) */
2404
2405 #if BADFS // RASTER: this is silly... if we have already mapped before
2406     do
2407     {
2408         XWindowEvent( p_vout->p_sys->p_display,
2409                       p_vout->p_sys->p_win->base_window,
2410                       StructureNotifyMask, &xevent );
2411     } while( xevent.type != MapNotify );
2412 #else
2413    XSync(p_vout->p_sys->p_display, False);
2414 #endif
2415
2416     /* Be careful, this can generate a BadMatch error if the window is not
2417      * already mapped by the server (see above) */
2418     XSetInputFocus(p_vout->p_sys->p_display,
2419                    p_vout->p_sys->p_win->base_window,
2420                    RevertToParent,
2421                    CurrentTime);
2422
2423     /* signal that the size needs to be updated */
2424     p_vout->i_changes |= VOUT_SIZE_CHANGE;
2425 }
2426
2427 /*****************************************************************************
2428  * EnableXScreenSaver: enable screen saver
2429  *****************************************************************************
2430  * This function enables the screen saver on a display after it has been
2431  * disabled by XDisableScreenSaver.
2432  * FIXME: what happens if multiple vlc sessions are running at the same
2433  *        time ???
2434  *****************************************************************************/
2435 static void EnableXScreenSaver( vout_thread_t *p_vout )
2436 {
2437 #ifdef DPMSINFO_IN_DPMS_H
2438     int dummy;
2439 #endif
2440
2441     if( p_vout->p_sys->i_ss_timeout )
2442     {
2443         XSetScreenSaver( p_vout->p_sys->p_display, p_vout->p_sys->i_ss_timeout,
2444                          p_vout->p_sys->i_ss_interval,
2445                          p_vout->p_sys->i_ss_blanking,
2446                          p_vout->p_sys->i_ss_exposure );
2447     }
2448
2449     /* Restore DPMS settings */
2450 #ifdef DPMSINFO_IN_DPMS_H
2451     if( DPMSQueryExtension( p_vout->p_sys->p_display, &dummy, &dummy ) )
2452     {
2453         if( p_vout->p_sys->b_ss_dpms )
2454         {
2455             DPMSEnable( p_vout->p_sys->p_display );
2456         }
2457     }
2458 #endif
2459 }
2460
2461 /*****************************************************************************
2462  * DisableXScreenSaver: disable screen saver
2463  *****************************************************************************
2464  * See XEnableXScreenSaver
2465  *****************************************************************************/
2466 static void DisableXScreenSaver( vout_thread_t *p_vout )
2467 {
2468 #ifdef DPMSINFO_IN_DPMS_H
2469     int dummy;
2470 #endif
2471
2472     /* Save screen saver information */
2473     XGetScreenSaver( p_vout->p_sys->p_display, &p_vout->p_sys->i_ss_timeout,
2474                      &p_vout->p_sys->i_ss_interval,
2475                      &p_vout->p_sys->i_ss_blanking,
2476                      &p_vout->p_sys->i_ss_exposure );
2477
2478     /* Disable screen saver */
2479     if( p_vout->p_sys->i_ss_timeout )
2480     {
2481         XSetScreenSaver( p_vout->p_sys->p_display, 0,
2482                          p_vout->p_sys->i_ss_interval,
2483                          p_vout->p_sys->i_ss_blanking,
2484                          p_vout->p_sys->i_ss_exposure );
2485     }
2486
2487     /* Disable DPMS */
2488 #ifdef DPMSINFO_IN_DPMS_H
2489     if( DPMSQueryExtension( p_vout->p_sys->p_display, &dummy, &dummy ) )
2490     {
2491         CARD16 unused;
2492         /* Save DPMS current state */
2493         DPMSInfo( p_vout->p_sys->p_display, &unused,
2494                   &p_vout->p_sys->b_ss_dpms );
2495         DPMSDisable( p_vout->p_sys->p_display );
2496    }
2497 #endif
2498 }
2499
2500 /*****************************************************************************
2501  * CreateCursor: create a blank mouse pointer
2502  *****************************************************************************/
2503 static void CreateCursor( vout_thread_t *p_vout )
2504 {
2505     XColor cursor_color;
2506
2507     p_vout->p_sys->cursor_pixmap =
2508         XCreatePixmap( p_vout->p_sys->p_display,
2509                        DefaultRootWindow( p_vout->p_sys->p_display ),
2510                        1, 1, 1 );
2511
2512     XParseColor( p_vout->p_sys->p_display,
2513                  XCreateColormap( p_vout->p_sys->p_display,
2514                                   DefaultRootWindow(
2515                                                     p_vout->p_sys->p_display ),
2516                                   DefaultVisual(
2517                                                 p_vout->p_sys->p_display,
2518                                                 p_vout->p_sys->i_screen ),
2519                                   AllocNone ),
2520                  "black", &cursor_color );
2521
2522     p_vout->p_sys->blank_cursor =
2523         XCreatePixmapCursor( p_vout->p_sys->p_display,
2524                              p_vout->p_sys->cursor_pixmap,
2525                              p_vout->p_sys->cursor_pixmap,
2526                              &cursor_color, &cursor_color, 1, 1 );
2527 }
2528
2529 /*****************************************************************************
2530  * DestroyCursor: destroy the blank mouse pointer
2531  *****************************************************************************/
2532 static void DestroyCursor( vout_thread_t *p_vout )
2533 {
2534     XFreePixmap( p_vout->p_sys->p_display, p_vout->p_sys->cursor_pixmap );
2535 }
2536
2537 /*****************************************************************************
2538  * ToggleCursor: hide or show the mouse pointer
2539  *****************************************************************************
2540  * This function hides the X pointer if it is visible by setting the pointer
2541  * sprite to a blank one. To show it again, we disable the sprite.
2542  *****************************************************************************/
2543 static void ToggleCursor( vout_thread_t *p_vout )
2544 {
2545     if( p_vout->p_sys->b_mouse_pointer_visible )
2546     {
2547         XDefineCursor( p_vout->p_sys->p_display,
2548                        p_vout->p_sys->p_win->base_window,
2549                        p_vout->p_sys->blank_cursor );
2550         p_vout->p_sys->b_mouse_pointer_visible = 0;
2551     }
2552     else
2553     {
2554         XUndefineCursor( p_vout->p_sys->p_display,
2555                          p_vout->p_sys->p_win->base_window );
2556         p_vout->p_sys->b_mouse_pointer_visible = 1;
2557     }
2558 }
2559
2560 #if defined(MODULE_NAME_IS_xvideo) || defined(MODULE_NAME_IS_xvmc)
2561 /*****************************************************************************
2562  * XVideoGetPort: get YUV12 port
2563  *****************************************************************************/
2564 static int XVideoGetPort( vout_thread_t *p_vout,
2565                           vlc_fourcc_t i_chroma, picture_heap_t *p_heap )
2566 {
2567     XvAdaptorInfo *p_adaptor;
2568     unsigned int i;
2569     unsigned int i_adaptor, i_num_adaptors;
2570     int i_requested_adaptor;
2571     int i_selected_port;
2572
2573     switch( XvQueryExtension( p_vout->p_sys->p_display, &i, &i, &i, &i, &i ) )
2574     {
2575         case Success:
2576             break;
2577
2578         case XvBadExtension:
2579             msg_Warn( p_vout, "XvBadExtension" );
2580             return -1;
2581
2582         case XvBadAlloc:
2583             msg_Warn( p_vout, "XvBadAlloc" );
2584             return -1;
2585
2586         default:
2587             msg_Warn( p_vout, "XvQueryExtension failed" );
2588             return -1;
2589     }
2590
2591     switch( XvQueryAdaptors( p_vout->p_sys->p_display,
2592                              DefaultRootWindow( p_vout->p_sys->p_display ),
2593                              &i_num_adaptors, &p_adaptor ) )
2594     {
2595         case Success:
2596             break;
2597
2598         case XvBadExtension:
2599             msg_Warn( p_vout, "XvBadExtension for XvQueryAdaptors" );
2600             return -1;
2601
2602         case XvBadAlloc:
2603             msg_Warn( p_vout, "XvBadAlloc for XvQueryAdaptors" );
2604             return -1;
2605
2606         default:
2607             msg_Warn( p_vout, "XvQueryAdaptors failed" );
2608             return -1;
2609     }
2610
2611     i_selected_port = -1;
2612 #ifdef MODULE_NAME_IS_xvmc
2613     i_requested_adaptor = config_GetInt( p_vout, "xvmc-adaptor" );
2614 #else
2615     i_requested_adaptor = config_GetInt( p_vout, "xvideo-adaptor" );
2616 #endif
2617     for( i_adaptor = 0; i_adaptor < i_num_adaptors; ++i_adaptor )
2618     {
2619         XvImageFormatValues *p_formats;
2620         int i_format, i_num_formats;
2621         int i_port;
2622
2623         /* If we requested an adaptor and it's not this one, we aren't
2624          * interested */
2625         if( i_requested_adaptor != -1 && ((int)i_adaptor != i_requested_adaptor) )
2626         {
2627             continue;
2628         }
2629
2630         /* If the adaptor doesn't have the required properties, skip it */
2631         if( !( p_adaptor[ i_adaptor ].type & XvInputMask ) ||
2632             !( p_adaptor[ i_adaptor ].type & XvImageMask ) )
2633         {
2634             continue;
2635         }
2636
2637         /* Check that adaptor supports our requested format... */
2638         p_formats = XvListImageFormats( p_vout->p_sys->p_display,
2639                                         p_adaptor[i_adaptor].base_id,
2640                                         &i_num_formats );
2641
2642         for( i_format = 0;
2643              i_format < i_num_formats && ( i_selected_port == -1 );
2644              i_format++ )
2645         {
2646             XvAttribute     *p_attr;
2647             int             i_attr, i_num_attributes;
2648             Atom            autopaint = None, colorkey = None;
2649
2650             /* If this is not the format we want, or at least a
2651              * similar one, forget it */
2652             if( !vout_ChromaCmp( p_formats[ i_format ].id, i_chroma ) )
2653             {
2654                 continue;
2655             }
2656
2657             /* Look for the first available port supporting this format */
2658             for( i_port = p_adaptor[i_adaptor].base_id;
2659                  ( i_port < (int)(p_adaptor[i_adaptor].base_id
2660                                    + p_adaptor[i_adaptor].num_ports) )
2661                    && ( i_selected_port == -1 );
2662                  i_port++ )
2663             {
2664                 if( XvGrabPort( p_vout->p_sys->p_display, i_port, CurrentTime )
2665                      == Success )
2666                 {
2667                     i_selected_port = i_port;
2668                     p_heap->i_chroma = p_formats[ i_format ].id;
2669 #if XvVersion > 2 || ( XvVersion == 2 && XvRevision >= 2 )
2670                     p_heap->i_rmask = p_formats[ i_format ].red_mask;
2671                     p_heap->i_gmask = p_formats[ i_format ].green_mask;
2672                     p_heap->i_bmask = p_formats[ i_format ].blue_mask;
2673 #endif
2674                 }
2675             }
2676
2677             /* If no free port was found, forget it */
2678             if( i_selected_port == -1 )
2679             {
2680                 continue;
2681             }
2682
2683             /* If we found a port, print information about it */
2684             msg_Dbg( p_vout, "adaptor %i, port %i, format 0x%x (%4.4s) %s",
2685                      i_adaptor, i_selected_port, p_formats[ i_format ].id,
2686                      (char *)&p_formats[ i_format ].id,
2687                      ( p_formats[ i_format ].format == XvPacked ) ?
2688                          "packed" : "planar" );
2689
2690             /* Use XV_AUTOPAINT_COLORKEY if supported, otherwise we will
2691              * manually paint the colour key */
2692             p_attr = XvQueryPortAttributes( p_vout->p_sys->p_display,
2693                                             i_selected_port,
2694                                             &i_num_attributes );
2695
2696             for( i_attr = 0; i_attr < i_num_attributes; i_attr++ )
2697             {
2698                 if( !strcmp( p_attr[i_attr].name, "XV_AUTOPAINT_COLORKEY" ) )
2699                 {
2700                     autopaint = XInternAtom( p_vout->p_sys->p_display,
2701                                              "XV_AUTOPAINT_COLORKEY", False );
2702                     XvSetPortAttribute( p_vout->p_sys->p_display,
2703                                         i_selected_port, autopaint, 1 );
2704                 }
2705                 if( !strcmp( p_attr[i_attr].name, "XV_COLORKEY" ) )
2706                 {
2707                     /* Find out the default colour key */
2708                     colorkey = XInternAtom( p_vout->p_sys->p_display,
2709                                             "XV_COLORKEY", False );
2710                     XvGetPortAttribute( p_vout->p_sys->p_display,
2711                                         i_selected_port, colorkey,
2712                                         &p_vout->p_sys->i_colourkey );
2713                 }
2714             }
2715             p_vout->p_sys->b_paint_colourkey =
2716                 autopaint == None && colorkey != None;
2717
2718             if( p_attr != NULL )
2719             {
2720                 XFree( p_attr );
2721             }
2722         }
2723
2724         if( p_formats != NULL )
2725         {
2726             XFree( p_formats );
2727         }
2728
2729     }
2730
2731     if( i_num_adaptors > 0 )
2732     {
2733         XvFreeAdaptorInfo( p_adaptor );
2734     }
2735
2736     if( i_selected_port == -1 )
2737     {
2738         int i_chroma_tmp = X112VLC_FOURCC( i_chroma );
2739         if( i_requested_adaptor == -1 )
2740         {
2741             msg_Warn( p_vout, "no free XVideo port found for format "
2742                       "0x%.8x (%4.4s)", i_chroma_tmp, (char*)&i_chroma_tmp );
2743         }
2744         else
2745         {
2746             msg_Warn( p_vout, "XVideo adaptor %i does not have a free "
2747                       "XVideo port for format 0x%.8x (%4.4s)",
2748                       i_requested_adaptor, i_chroma_tmp, (char*)&i_chroma_tmp );
2749         }
2750     }
2751
2752     return i_selected_port;
2753 }
2754
2755 /*****************************************************************************
2756  * XVideoReleasePort: release YUV12 port
2757  *****************************************************************************/
2758 static void XVideoReleasePort( vout_thread_t *p_vout, int i_port )
2759 {
2760     XvUngrabPort( p_vout->p_sys->p_display, i_port, CurrentTime );
2761 }
2762 #endif
2763
2764 /*****************************************************************************
2765  * InitDisplay: open and initialize X11 device
2766  *****************************************************************************
2767  * Create a window according to video output given size, and set other
2768  * properties according to the display properties.
2769  *****************************************************************************/
2770 static int InitDisplay( vout_thread_t *p_vout )
2771 {
2772 #ifdef MODULE_NAME_IS_x11
2773     XPixmapFormatValues *       p_formats;                 /* pixmap formats */
2774     XVisualInfo *               p_xvisual;            /* visuals information */
2775     XVisualInfo                 xvisual_template;         /* visual template */
2776     int                         i_count, i;                    /* array size */
2777 #endif
2778
2779 #ifdef HAVE_SYS_SHM_H
2780     p_vout->p_sys->i_shm_opcode = 0;
2781
2782     if( config_GetInt( p_vout, MODULE_STRING "-shm" ) > 0 )
2783     {
2784         int major, evt, err;
2785
2786         if( XQueryExtension( p_vout->p_sys->p_display, "MIT-SHM", &major,
2787                              &evt, &err )
2788          && XShmQueryExtension( p_vout->p_sys->p_display ) )
2789             p_vout->p_sys->i_shm_opcode = major;
2790
2791         if( p_vout->p_sys->i_shm_opcode )
2792         {
2793             int minor;
2794             Bool pixmaps;
2795
2796             XShmQueryVersion( p_vout->p_sys->p_display, &major, &minor,
2797                               &pixmaps );
2798             msg_Dbg( p_vout, "XShm video extension v%d.%d "
2799                      "(with%s pixmaps, opcode: %d)",
2800                      major, minor, pixmaps ? "" : "out",
2801                      p_vout->p_sys->i_shm_opcode );
2802         }
2803         else
2804             msg_Warn( p_vout, "XShm video extension not available" );
2805     }
2806     else
2807         msg_Dbg( p_vout, "XShm video extension disabled" );
2808 #endif
2809
2810 #ifdef MODULE_NAME_IS_xvideo
2811     /* XXX The brightness and contrast values should be read from environment
2812      * XXX variables... */
2813 #if 0
2814     XVideoSetAttribute( p_vout, "XV_BRIGHTNESS", 0.5 );
2815     XVideoSetAttribute( p_vout, "XV_CONTRAST",   0.5 );
2816 #endif
2817 #endif
2818
2819 #ifdef MODULE_NAME_IS_x11
2820     /* Initialize structure */
2821     p_vout->p_sys->i_screen = DefaultScreen( p_vout->p_sys->p_display );
2822
2823     /* Get screen depth */
2824     p_vout->p_sys->i_screen_depth = XDefaultDepth( p_vout->p_sys->p_display,
2825                                                    p_vout->p_sys->i_screen );
2826     switch( p_vout->p_sys->i_screen_depth )
2827     {
2828     case 8:
2829         /*
2830          * Screen depth is 8bpp. Use PseudoColor visual with private colormap.
2831          */
2832         xvisual_template.screen =   p_vout->p_sys->i_screen;
2833         xvisual_template.class =    DirectColor;
2834         p_xvisual = XGetVisualInfo( p_vout->p_sys->p_display,
2835                                     VisualScreenMask | VisualClassMask,
2836                                     &xvisual_template, &i_count );
2837         if( p_xvisual == NULL )
2838         {
2839             msg_Err( p_vout, "no PseudoColor visual available" );
2840             return VLC_EGENERIC;
2841         }
2842         p_vout->p_sys->i_bytes_per_pixel = 1;
2843         p_vout->output.pf_setpalette = SetPalette;
2844         break;
2845     case 15:
2846     case 16:
2847     case 24:
2848     default:
2849         /*
2850          * Screen depth is higher than 8bpp. TrueColor visual is used.
2851          */
2852         xvisual_template.screen =   p_vout->p_sys->i_screen;
2853         xvisual_template.class =    TrueColor;
2854 /* In some cases, we get a truecolor class adaptor that has a different
2855    color depth. So try to get a real true color one first */
2856         xvisual_template.depth =    p_vout->p_sys->i_screen_depth;
2857
2858         p_xvisual = XGetVisualInfo( p_vout->p_sys->p_display,
2859                                     VisualScreenMask | VisualClassMask |
2860                                     VisualDepthMask,
2861                                     &xvisual_template, &i_count );
2862         if( p_xvisual == NULL )
2863         {
2864             msg_Warn( p_vout, "No screen matching the required color depth" );
2865             p_xvisual = XGetVisualInfo( p_vout->p_sys->p_display,
2866                                     VisualScreenMask | VisualClassMask,
2867                                     &xvisual_template, &i_count );
2868             if( p_xvisual == NULL )
2869             {
2870
2871                 msg_Err( p_vout, "no TrueColor visual available" );
2872                 return VLC_EGENERIC;
2873             }
2874         }
2875
2876         p_vout->output.i_rmask = p_xvisual->red_mask;
2877         p_vout->output.i_gmask = p_xvisual->green_mask;
2878         p_vout->output.i_bmask = p_xvisual->blue_mask;
2879
2880         /* There is no difference yet between 3 and 4 Bpp. The only way
2881          * to find the actual number of bytes per pixel is to list supported
2882          * pixmap formats. */
2883         p_formats = XListPixmapFormats( p_vout->p_sys->p_display, &i_count );
2884         p_vout->p_sys->i_bytes_per_pixel = 0;
2885
2886         for( i = 0; i < i_count; i++ )
2887         {
2888             /* Under XFree4.0, the list contains pixmap formats available
2889              * through all video depths ; so we have to check against current
2890              * depth. */
2891             if( p_formats[i].depth == (int)p_vout->p_sys->i_screen_depth )
2892             {
2893                 if( p_formats[i].bits_per_pixel / 8
2894                         > (int)p_vout->p_sys->i_bytes_per_pixel )
2895                 {
2896                     p_vout->p_sys->i_bytes_per_pixel =
2897                         p_formats[i].bits_per_pixel / 8;
2898                 }
2899             }
2900         }
2901         if( p_formats ) XFree( p_formats );
2902
2903         break;
2904     }
2905     p_vout->p_sys->p_visual = p_xvisual->visual;
2906     XFree( p_xvisual );
2907 #endif
2908
2909     return VLC_SUCCESS;
2910 }
2911
2912 #ifndef MODULE_NAME_IS_glx
2913
2914 #ifdef HAVE_SYS_SHM_H
2915 /*****************************************************************************
2916  * CreateShmImage: create an XImage or XvImage using shared memory extension
2917  *****************************************************************************
2918  * Prepare an XImage or XvImage for display function.
2919  * The order of the operations respects the recommandations of the mit-shm
2920  * document by J.Corbet and K.Packard. Most of the parameters were copied from
2921  * there. See http://ftp.xfree86.org/pub/XFree86/4.0/doc/mit-shm.TXT
2922  *****************************************************************************/
2923 IMAGE_TYPE * CreateShmImage( vout_thread_t *p_vout,
2924                                     Display* p_display, EXTRA_ARGS_SHM,
2925                                     int i_width, int i_height )
2926 {
2927     IMAGE_TYPE *p_image;
2928     Status result;
2929
2930     /* Create XImage / XvImage */
2931 #ifdef MODULE_NAME_IS_xvideo
2932     p_image = XvShmCreateImage( p_display, i_xvport, i_chroma, 0,
2933                                 i_width, i_height, p_shm );
2934 #elif defined(MODULE_NAME_IS_xvmc)
2935     p_image = XvShmCreateImage( p_display, i_xvport, i_chroma, 0,
2936                                 i_width, i_height, p_shm );
2937 #else
2938     p_image = XShmCreateImage( p_display, p_visual, i_depth, ZPixmap, 0,
2939                                p_shm, i_width, i_height );
2940 #endif
2941     if( p_image == NULL )
2942     {
2943         msg_Err( p_vout, "image creation failed" );
2944         return NULL;
2945     }
2946
2947     /* Allocate shared memory segment - 0776 set the access permission
2948      * rights (like umask), they are not yet supported by all X servers */
2949     p_shm->shmid = shmget( IPC_PRIVATE, DATA_SIZE(p_image), IPC_CREAT | 0776 );
2950     if( p_shm->shmid < 0 )
2951     {
2952         msg_Err( p_vout, "cannot allocate shared image data (%m)" );
2953         IMAGE_FREE( p_image );
2954         return NULL;
2955     }
2956
2957     /* Attach shared memory segment to process (read/write) */
2958     p_shm->shmaddr = p_image->data = shmat( p_shm->shmid, 0, 0 );
2959     if(! p_shm->shmaddr )
2960     {
2961         msg_Err( p_vout, "cannot attach shared memory (%m)" );
2962         IMAGE_FREE( p_image );
2963         shmctl( p_shm->shmid, IPC_RMID, 0 );
2964         return NULL;
2965     }
2966
2967     /* Read-only data. We won't be using XShmGetImage */
2968     p_shm->readOnly = True;
2969
2970     /* Attach shared memory segment to X server */
2971     XSynchronize( p_display, True );
2972     i_shm_major = p_vout->p_sys->i_shm_opcode;
2973     result = XShmAttach( p_display, p_shm );
2974     if( result == False || !i_shm_major )
2975     {
2976         msg_Err( p_vout, "cannot attach shared memory to X server" );
2977         IMAGE_FREE( p_image );
2978         shmctl( p_shm->shmid, IPC_RMID, 0 );
2979         shmdt( p_shm->shmaddr );
2980         return NULL;
2981     }
2982     XSynchronize( p_display, False );
2983
2984     /* Send image to X server. This instruction is required, since having
2985      * built a Shm XImage and not using it causes an error on XCloseDisplay,
2986      * and remember NOT to use XFlush ! */
2987     XSync( p_display, False );
2988
2989 #if 0
2990     /* Mark the shm segment to be removed when there are no more
2991      * attachements, so it is automatic on process exit or after shmdt */
2992     shmctl( p_shm->shmid, IPC_RMID, 0 );
2993 #endif
2994
2995     return p_image;
2996 }
2997 #endif
2998
2999 /*****************************************************************************
3000  * CreateImage: create an XImage or XvImage
3001  *****************************************************************************
3002  * Create a simple image used as a buffer.
3003  *****************************************************************************/
3004 static IMAGE_TYPE * CreateImage( vout_thread_t *p_vout,
3005                                  Display *p_display, EXTRA_ARGS,
3006                                  int i_width, int i_height )
3007 {
3008     uint8_t *    p_data;                          /* image data storage zone */
3009     IMAGE_TYPE *p_image;
3010 #ifdef MODULE_NAME_IS_x11
3011     int         i_quantum;                     /* XImage quantum (see below) */
3012     int         i_bytes_per_line;
3013 #endif
3014
3015     /* Allocate memory for image */
3016 #ifdef MODULE_NAME_IS_xvideo
3017     p_data = malloc( i_width * i_height * i_bits_per_pixel / 8 );
3018 #elif defined(MODULE_NAME_IS_x11)
3019     i_bytes_per_line = i_width * i_bytes_per_pixel;
3020     p_data = malloc( i_bytes_per_line * i_height );
3021 #endif
3022     if( !p_data )
3023         return NULL;
3024
3025 #ifdef MODULE_NAME_IS_x11
3026     /* Optimize the quantum of a scanline regarding its size - the quantum is
3027        a diviser of the number of bits between the start of two scanlines. */
3028     if( i_bytes_per_line & 0xf )
3029     {
3030         i_quantum = 0x8;
3031     }
3032     else if( i_bytes_per_line & 0x10 )
3033     {
3034         i_quantum = 0x10;
3035     }
3036     else
3037     {
3038         i_quantum = 0x20;
3039     }
3040 #endif
3041
3042     /* Create XImage. p_data will be automatically freed */
3043 #ifdef MODULE_NAME_IS_xvideo
3044     p_image = XvCreateImage( p_display, i_xvport, i_chroma,
3045                              (char *)p_data, i_width, i_height );
3046 #elif defined(MODULE_NAME_IS_x11)
3047     p_image = XCreateImage( p_display, p_visual, i_depth, ZPixmap, 0,
3048                             (char *)p_data, i_width, i_height, i_quantum, 0 );
3049 #endif
3050     if( p_image == NULL )
3051     {
3052         msg_Err( p_vout, "XCreateImage() failed" );
3053         free( p_data );
3054         return NULL;
3055     }
3056
3057     return p_image;
3058 }
3059
3060 #endif
3061 /*****************************************************************************
3062  * X11ErrorHandler: replace error handler so we can intercept some of them
3063  *****************************************************************************/
3064 static int X11ErrorHandler( Display * display, XErrorEvent * event )
3065 {
3066     char txt[1024];
3067
3068     XGetErrorText( display, event->error_code, txt, sizeof( txt ) );
3069     fprintf( stderr,
3070              "[????????] x11 video output error: X11 request %u.%u failed "
3071               "with error code %u:\n %s\n",
3072              event->request_code, event->minor_code, event->error_code, txt );
3073
3074     switch( event->request_code )
3075     {
3076     case X_SetInputFocus:
3077         /* Ignore errors on XSetInputFocus()
3078          * (they happen when a window is not yet mapped) */
3079         return 0;
3080     }
3081
3082 #ifdef HAVE_SYS_SHM_H
3083     if( event->request_code == i_shm_major ) /* MIT-SHM */
3084     {
3085         fprintf( stderr,
3086                  "[????????] x11 video output notice:"
3087                  " buggy X11 server claims shared memory\n"
3088                  "[????????] x11 video output notice:"
3089                  " support though it does not work (OpenSSH?)\n" );
3090         return i_shm_major = 0;
3091     }
3092 #endif
3093
3094 #ifndef HAVE_OSSO
3095     XSetErrorHandler(NULL);
3096     return (XSetErrorHandler(X11ErrorHandler))( display, event );
3097 #else
3098     /* Work-around Maemo Xvideo bug */
3099     return 0;
3100 #endif
3101 }
3102
3103 #ifdef MODULE_NAME_IS_x11
3104 /*****************************************************************************
3105  * SetPalette: sets an 8 bpp palette
3106  *****************************************************************************
3107  * This function sets the palette given as an argument. It does not return
3108  * anything, but could later send information on which colors it was unable
3109  * to set.
3110  *****************************************************************************/
3111 static void SetPalette( vout_thread_t *p_vout,
3112                         uint16_t *red, uint16_t *green, uint16_t *blue )
3113 {
3114     int i;
3115     XColor p_colors[255];
3116
3117     /* allocate palette */
3118     for( i = 0; i < 255; i++ )
3119     {
3120         /* kludge: colors are indexed reversely because color 255 seems
3121          * to be reserved for black even if we try to set it to white */
3122         p_colors[ i ].pixel = 255 - i;
3123         p_colors[ i ].pad   = 0;
3124         p_colors[ i ].flags = DoRed | DoGreen | DoBlue;
3125         p_colors[ i ].red   = red[ 255 - i ];
3126         p_colors[ i ].blue  = blue[ 255 - i ];
3127         p_colors[ i ].green = green[ 255 - i ];
3128     }
3129
3130     XStoreColors( p_vout->p_sys->p_display,
3131                   p_vout->p_sys->colormap, p_colors, 255 );
3132 }
3133 #endif
3134
3135 /*****************************************************************************
3136  * Control: control facility for the vout
3137  *****************************************************************************/
3138 static int Control( vout_thread_t *p_vout, int i_query, va_list args )
3139 {
3140     bool b_arg;
3141     unsigned int i_width, i_height;
3142     unsigned int *pi_width, *pi_height;
3143     Drawable d = 0;
3144
3145     switch( i_query )
3146     {
3147         case VOUT_GET_SIZE:
3148             if( p_vout->p_sys->p_win->owner_window )
3149                 return vout_ControlWindow( p_vout->p_sys->p_win->owner_window,
3150                                            i_query, args);
3151
3152             pi_width  = va_arg( args, unsigned int * );
3153             pi_height = va_arg( args, unsigned int * );
3154
3155             vlc_mutex_lock( &p_vout->p_sys->lock );
3156             *pi_width  = p_vout->p_sys->p_win->i_width;
3157             *pi_height = p_vout->p_sys->p_win->i_height;
3158             vlc_mutex_unlock( &p_vout->p_sys->lock );
3159             return VLC_SUCCESS;
3160
3161         case VOUT_SET_SIZE:
3162             if( p_vout->p_sys->p_win->owner_window )
3163                 return vout_ControlWindow( p_vout->p_sys->p_win->owner_window,
3164                                            i_query, args);
3165
3166             vlc_mutex_lock( &p_vout->p_sys->lock );
3167
3168             i_width  = va_arg( args, unsigned int );
3169             i_height = va_arg( args, unsigned int );
3170             if( !i_width ) i_width = p_vout->i_window_width;
3171             if( !i_height ) i_height = p_vout->i_window_height;
3172
3173 #ifdef MODULE_NAME_IS_xvmc
3174             xvmc_context_reader_lock( &p_vout->p_sys->xvmc_lock );
3175 #endif
3176             /* Update dimensions */
3177             XResizeWindow( p_vout->p_sys->p_display,
3178                            p_vout->p_sys->p_win->base_window,
3179                            i_width, i_height );
3180 #ifdef MODULE_NAME_IS_xvmc
3181             xvmc_context_reader_unlock( &p_vout->p_sys->xvmc_lock );
3182 #endif
3183             vlc_mutex_unlock( &p_vout->p_sys->lock );
3184             return VLC_SUCCESS;
3185
3186        case VOUT_REPARENT:
3187             vlc_mutex_lock( &p_vout->p_sys->lock );
3188             if( i_query == VOUT_REPARENT ) d = (Drawable)va_arg( args, int );
3189             if( !d )
3190             {
3191 #ifdef MODULE_NAME_IS_xvmc
3192             xvmc_context_reader_lock( &p_vout->p_sys->xvmc_lock );
3193 #endif
3194             XReparentWindow( p_vout->p_sys->p_display,
3195                              p_vout->p_sys->original_window.base_window,
3196                              DefaultRootWindow( p_vout->p_sys->p_display ),
3197                              0, 0 );
3198             }
3199             else
3200             XReparentWindow( p_vout->p_sys->p_display,
3201                              p_vout->p_sys->original_window.base_window,
3202                              d, 0, 0);
3203             XSync( p_vout->p_sys->p_display, False );
3204 #ifdef MODULE_NAME_IS_xvmc
3205             xvmc_context_reader_unlock( &p_vout->p_sys->xvmc_lock );
3206 #endif
3207             vlc_mutex_unlock( &p_vout->p_sys->lock );
3208             vout_ReleaseWindow( p_vout->p_sys->p_win->owner_window );
3209             p_vout->p_sys->original_window.owner_window = NULL;
3210             return VLC_SUCCESS;
3211
3212         case VOUT_SET_STAY_ON_TOP:
3213             if( p_vout->p_sys->p_win->owner_window )
3214                 return vout_ControlWindow( p_vout->p_sys->p_win->owner_window,
3215                                            i_query, args);
3216
3217             b_arg = (bool) va_arg( args, int );
3218             vlc_mutex_lock( &p_vout->p_sys->lock );
3219 #ifdef MODULE_NAME_IS_xvmc
3220             xvmc_context_reader_lock( &p_vout->p_sys->xvmc_lock );
3221 #endif
3222             WindowOnTop( p_vout, b_arg );
3223 #ifdef MODULE_NAME_IS_xvmc
3224             xvmc_context_reader_unlock( &p_vout->p_sys->xvmc_lock );
3225 #endif
3226             vlc_mutex_unlock( &p_vout->p_sys->lock );
3227             return VLC_SUCCESS;
3228
3229        default:
3230             return vout_vaControlDefault( p_vout, i_query, args );
3231     }
3232 }
3233
3234 /*****************************************************************************
3235  * TestNetWMSupport: tests for Extended Window Manager Hints support
3236  *****************************************************************************/
3237 static void TestNetWMSupport( vout_thread_t *p_vout )
3238 {
3239     int i_ret, i_format;
3240     unsigned long i, i_items, i_bytesafter;
3241     Atom net_wm_supported;
3242     union { Atom *p_atom; unsigned char *p_char; } p_args;
3243
3244     p_args.p_atom = NULL;
3245
3246     p_vout->p_sys->b_net_wm_state_fullscreen =
3247     p_vout->p_sys->b_net_wm_state_above =
3248     p_vout->p_sys->b_net_wm_state_below =
3249     p_vout->p_sys->b_net_wm_state_stays_on_top =
3250         false;
3251
3252     net_wm_supported =
3253         XInternAtom( p_vout->p_sys->p_display, "_NET_SUPPORTED", False );
3254
3255     i_ret = XGetWindowProperty( p_vout->p_sys->p_display,
3256                                 DefaultRootWindow( p_vout->p_sys->p_display ),
3257                                 net_wm_supported,
3258                                 0, 16384, False, AnyPropertyType,
3259                                 &net_wm_supported,
3260                                 &i_format, &i_items, &i_bytesafter,
3261                                 (unsigned char **)&p_args );
3262
3263     if( i_ret != Success || i_items == 0 ) return;
3264
3265     msg_Dbg( p_vout, "Window manager supports NetWM" );
3266
3267     p_vout->p_sys->net_wm_state =
3268         XInternAtom( p_vout->p_sys->p_display, "_NET_WM_STATE", False );
3269     p_vout->p_sys->net_wm_state_fullscreen =
3270         XInternAtom( p_vout->p_sys->p_display, "_NET_WM_STATE_FULLSCREEN",
3271                      False );
3272     p_vout->p_sys->net_wm_state_above =
3273         XInternAtom( p_vout->p_sys->p_display, "_NET_WM_STATE_ABOVE", False );
3274     p_vout->p_sys->net_wm_state_below =
3275         XInternAtom( p_vout->p_sys->p_display, "_NET_WM_STATE_BELOW", False );
3276     p_vout->p_sys->net_wm_state_stays_on_top =
3277         XInternAtom( p_vout->p_sys->p_display, "_NET_WM_STATE_STAYS_ON_TOP",
3278                      False );
3279
3280     for( i = 0; i < i_items; i++ )
3281     {
3282         if( p_args.p_atom[i] == p_vout->p_sys->net_wm_state_fullscreen )
3283         {
3284             msg_Dbg( p_vout,
3285                      "Window manager supports _NET_WM_STATE_FULLSCREEN" );
3286             p_vout->p_sys->b_net_wm_state_fullscreen = true;
3287         }
3288         else if( p_args.p_atom[i] == p_vout->p_sys->net_wm_state_above )
3289         {
3290             msg_Dbg( p_vout, "Window manager supports _NET_WM_STATE_ABOVE" );
3291             p_vout->p_sys->b_net_wm_state_above = true;
3292         }
3293         else if( p_args.p_atom[i] == p_vout->p_sys->net_wm_state_below )
3294         {
3295             msg_Dbg( p_vout, "Window manager supports _NET_WM_STATE_BELOW" );
3296             p_vout->p_sys->b_net_wm_state_below = true;
3297         }
3298         else if( p_args.p_atom[i] == p_vout->p_sys->net_wm_state_stays_on_top )
3299         {
3300             msg_Dbg( p_vout,
3301                      "Window manager supports _NET_WM_STATE_STAYS_ON_TOP" );
3302             p_vout->p_sys->b_net_wm_state_stays_on_top = true;
3303         }
3304     }
3305
3306     XFree( p_args.p_atom );
3307 }
3308
3309 /*****************************************************************************
3310  * Key events handling
3311  *****************************************************************************/
3312 static const struct
3313 {
3314     int i_x11key;
3315     int i_vlckey;
3316
3317 } x11keys_to_vlckeys[] =
3318 {
3319     { XK_F1, KEY_F1 }, { XK_F2, KEY_F2 }, { XK_F3, KEY_F3 }, { XK_F4, KEY_F4 },
3320     { XK_F5, KEY_F5 }, { XK_F6, KEY_F6 }, { XK_F7, KEY_F7 }, { XK_F8, KEY_F8 },
3321     { XK_F9, KEY_F9 }, { XK_F10, KEY_F10 }, { XK_F11, KEY_F11 },
3322     { XK_F12, KEY_F12 },
3323
3324     { XK_Return, KEY_ENTER },
3325     { XK_KP_Enter, KEY_ENTER },
3326     { XK_space, KEY_SPACE },
3327     { XK_Escape, KEY_ESC },
3328
3329     { XK_Menu, KEY_MENU },
3330     { XK_Left, KEY_LEFT },
3331     { XK_Right, KEY_RIGHT },
3332     { XK_Up, KEY_UP },
3333     { XK_Down, KEY_DOWN },
3334
3335     { XK_Home, KEY_HOME },
3336     { XK_End, KEY_END },
3337     { XK_Page_Up, KEY_PAGEUP },
3338     { XK_Page_Down, KEY_PAGEDOWN },
3339
3340     { XK_Insert, KEY_INSERT },
3341     { XK_Delete, KEY_DELETE },
3342     { XF86XK_AudioNext, KEY_MEDIA_NEXT_TRACK},
3343     { XF86XK_AudioPrev, KEY_MEDIA_PREV_TRACK},
3344     { XF86XK_AudioMute, KEY_VOLUME_MUTE },
3345     { XF86XK_AudioLowerVolume, KEY_VOLUME_DOWN },
3346     { XF86XK_AudioRaiseVolume, KEY_VOLUME_UP },
3347     { XF86XK_AudioPlay, KEY_MEDIA_PLAY_PAUSE },
3348     { XF86XK_AudioPause, KEY_MEDIA_PLAY_PAUSE },
3349
3350     { 0, 0 }
3351 };
3352
3353 static int ConvertKey( int i_key )
3354 {
3355     int i;
3356
3357     for( i = 0; x11keys_to_vlckeys[i].i_x11key != 0; i++ )
3358     {
3359         if( x11keys_to_vlckeys[i].i_x11key == i_key )
3360         {
3361             return x11keys_to_vlckeys[i].i_vlckey;
3362         }
3363     }
3364
3365     return 0;
3366 }
3367
3368 /*****************************************************************************
3369  * WindowOnTop: Switches the "always on top" state of the video window.
3370  *****************************************************************************/
3371 static int WindowOnTop( vout_thread_t *p_vout, bool b_on_top )
3372 {
3373     if( p_vout->p_sys->b_net_wm_state_stays_on_top )
3374     {
3375         XClientMessageEvent event;
3376
3377         memset( &event, 0, sizeof( XClientMessageEvent ) );
3378
3379         event.type = ClientMessage;
3380         event.message_type = p_vout->p_sys->net_wm_state;
3381         event.display = p_vout->p_sys->p_display;
3382         event.window = p_vout->p_sys->p_win->base_window;
3383         event.format = 32;
3384         event.data.l[ 0 ] = b_on_top; /* set property */
3385         event.data.l[ 1 ] = p_vout->p_sys->net_wm_state_stays_on_top;
3386
3387         XSendEvent( p_vout->p_sys->p_display,
3388                     DefaultRootWindow( p_vout->p_sys->p_display ),
3389                     False, SubstructureRedirectMask,
3390                     (XEvent*)&event );
3391     }
3392
3393     /* use _NET_WM_STATE_ABOVE if window manager
3394      * doesn't handle _NET_WM_STATE_STAYS_ON_TOP */
3395     else if( p_vout->p_sys->b_net_wm_state_above )
3396     {
3397         XClientMessageEvent event;
3398
3399         memset( &event, 0, sizeof( XClientMessageEvent ) );
3400
3401         event.type = ClientMessage;
3402         event.message_type = p_vout->p_sys->net_wm_state;
3403         event.display = p_vout->p_sys->p_display;
3404         event.window = p_vout->p_sys->p_win->base_window;
3405         event.format = 32;
3406         event.data.l[ 0 ] = b_on_top; /* set property */
3407         event.data.l[ 1 ] = p_vout->p_sys->net_wm_state_above;
3408
3409         XSendEvent( p_vout->p_sys->p_display,
3410                     DefaultRootWindow( p_vout->p_sys->p_display ),
3411                     False, SubstructureRedirectMask,
3412                     (XEvent*)&event );
3413     }
3414
3415     return VLC_SUCCESS;
3416 }