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_playlist.h>
  36 #include <vlc_vout.h>
  37 #include <vlc_vout_window.h>
  38 #include <vlc_keys.h>
  39
  40 #ifdef HAVE_MACHINE_PARAM_H
  41     /* BSD */
  42 #   include <machine/param.h>
  43 #   include <sys/types.h>                                  /* typedef ushort */
  44 #   include <sys/ipc.h>
  45 #endif
  46
  47 #ifdef HAVE_XSP
  48 #include <X11/extensions/Xsp.h>
  49 #endif
  50
  51 #ifdef HAVE_SYS_SHM_H
  52 #   include <sys/shm.h>                                /* shmget(), shmctl() */
  53 #endif
  54
  55 #include <X11/Xlib.h>
  56 #include <X11/Xproto.h>
  57 #include <X11/Xmd.h>
  58 #include <X11/Xutil.h>
  59 #ifdef HAVE_SYS_SHM_H
  60 #   include <X11/extensions/XShm.h>
  61 #endif
  62 #ifdef DPMSINFO_IN_DPMS_H
  63 #   include <X11/extensions/dpms.h>
  64 #endif
  65
  66 #ifdef MODULE_NAME_IS_glx
  67 #   include <GL/glx.h>
  68 #endif
  69
  70 #ifdef MODULE_NAME_IS_xvmc
  71 #   include <X11/extensions/Xv.h>
  72 #   include <X11/extensions/Xvlib.h>
  73 #   include <X11/extensions/vldXvMC.h>
  74 #   include "../../codec/xvmc/accel_xvmc.h"
  75 #endif
  76
  77 #include "xcommon.h"
  78
  79 /*****************************************************************************
  80  * Local prototypes
  81  *****************************************************************************/
  82 int  Activate   ( vlc_object_t * );
  83 void Deactivate ( vlc_object_t * );
  84
  85 #ifndef MODULE_NAME_IS_glx
  86 static int  InitVideo      ( vout_thread_t * );
  87 static void EndVideo       ( vout_thread_t * );
  88 static void DisplayVideo   ( vout_thread_t *, picture_t * );
  89 #endif
  90 static int  ManageVideo    ( vout_thread_t * );
  91 static int  Control        ( vout_thread_t *, int, va_list );
  92
  93 static int  InitDisplay    ( vout_thread_t * );
  94
  95 static int  CreateWindow   ( vout_thread_t *, x11_window_t * );
  96 static void DestroyWindow  ( vout_thread_t *, x11_window_t * );
  97
  98 #ifndef MODULE_NAME_IS_glx
  99 static int  NewPicture     ( vout_thread_t *, picture_t * );
 100 static void FreePicture    ( vout_thread_t *, picture_t * );
 101 #endif
 102
 103 #ifdef HAVE_SYS_SHM_H
 104 static int i_shm_major = 0;
 105 #endif
 106
 107 static void ToggleFullScreen      ( vout_thread_t * );
 108
 109 static void EnableXScreenSaver    ( vout_thread_t * );
 110 static void DisableXScreenSaver   ( vout_thread_t * );
 111
 112 static void CreateCursor   ( vout_thread_t * );
 113 static void DestroyCursor  ( vout_thread_t * );
 114 static void ToggleCursor   ( vout_thread_t * );
 115
 116 #if defined(MODULE_NAME_IS_xvmc)
 117 static int  XVideoGetPort    ( vout_thread_t *, vlc_fourcc_t, picture_heap_t * );
 118 static void RenderVideo    ( vout_thread_t *, picture_t * );
 119 //static int  xvmc_check_yv12( Display *display, XvPortID port );
 120 //static void xvmc_update_XV_DOUBLE_BUFFER( vout_thread_t *p_vout );
 121 #endif
 122
 123 static int X11ErrorHandler( Display *, XErrorEvent * );
 124
 125 #ifdef HAVE_XSP
 126 static void EnablePixelDoubling( vout_thread_t *p_vout );
 127 static void DisablePixelDoubling( vout_thread_t *p_vout );
 128 #endif
 129
 130 #ifdef HAVE_OSSO
 131 static const int i_backlight_on_interval = 300;
 132 #endif
 133
 134
 135
 136 /*****************************************************************************
 137  * Activate: allocate X11 video thread output method
 138  *****************************************************************************
 139  * This function allocate and initialize a X11 vout method. It uses some of the
 140  * vout properties to choose the window size, and change them according to the
 141  * actual properties of the display.
 142  *****************************************************************************/
 143 int Activate ( vlc_object_t *p_this )
 144 {
 145     vout_thread_t *p_vout = (vout_thread_t *)p_this;
 146     char *        psz_display;
 147 #if defined(MODULE_NAME_IS_xvmc)
 148     char *psz_value;
 149     char *       psz_chroma;
 150     vlc_fourcc_t i_chroma = 0;
 151     bool   b_chroma = 0;
 152 #endif
 153
 154 #ifndef MODULE_NAME_IS_glx
 155     p_vout->pf_init = InitVideo;
 156     p_vout->pf_end = EndVideo;
 157     p_vout->pf_display = DisplayVideo;
 158 #endif
 159 #ifdef MODULE_NAME_IS_xvmc
 160     p_vout->pf_render = RenderVideo;
 161 #else
 162     p_vout->pf_render = NULL;
 163 #endif
 164     p_vout->pf_manage = ManageVideo;
 165     p_vout->pf_control = Control;
 166
 167     /* Allocate structure */
 168     p_vout->p_sys = malloc( sizeof( vout_sys_t ) );
 169     if( p_vout->p_sys == NULL )
 170         return VLC_ENOMEM;
 171
 172     /* key and mouse event handling */
 173     p_vout->p_sys->i_vout_event = var_CreateGetInteger( p_vout, "vout-event" );
 174
 175     /* Open display, using the "display" config variable or the DISPLAY
 176      * environment variable */
 177     psz_display = config_GetPsz( p_vout, MODULE_STRING "-display" );
 178
 179     p_vout->p_sys->p_display = XOpenDisplay( psz_display );
 180
 181     if( p_vout->p_sys->p_display == NULL )                         /* error */
 182     {
 183         msg_Err( p_vout, "cannot open display %s",
 184                          XDisplayName( psz_display ) );
 185         free( p_vout->p_sys );
 186         free( psz_display );
 187         return VLC_EGENERIC;
 188     }
 189     free( psz_display );
 190
 191     /* Replace error handler so we can intercept some non-fatal errors */
 192     XSetErrorHandler( X11ErrorHandler );
 193
 194     /* Get a screen ID matching the XOpenDisplay return value */
 195     p_vout->p_sys->i_screen = DefaultScreen( p_vout->p_sys->p_display );
 196
 197 #if defined(MODULE_NAME_IS_xvmc)
 198     psz_chroma = config_GetPsz( p_vout, "xvideo-chroma" );
 199     if( psz_chroma )
 200     {
 201         if( strlen( psz_chroma ) >= 4 )
 202         {
 203             /* Do not use direct assignment because we are not sure of the
 204              * alignment. */
 205             memcpy(&i_chroma, psz_chroma, 4);
 206             b_chroma = 1;
 207         }
 208
 209         free( psz_chroma );
 210     }
 211
 212     if( b_chroma )
 213     {
 214         msg_Dbg( p_vout, "forcing chroma 0x%.8x (%4.4s)",
 215                  i_chroma, (char*)&i_chroma );
 216     }
 217     else
 218     {
 219         i_chroma = p_vout->render.i_chroma;
 220     }
 221
 222     /* Check that we have access to an XVideo port providing this chroma */
 223     p_vout->p_sys->i_xvport = XVideoGetPort( p_vout, VLC2X11_FOURCC(i_chroma),
 224                                              &p_vout->output );
 225     if( p_vout->p_sys->i_xvport < 0 )
 226     {
 227         /* If a specific chroma format was requested, then we don't try to
 228          * be cleverer than the user. He knew pretty well what he wanted. */
 229         if( b_chroma )
 230         {
 231             XCloseDisplay( p_vout->p_sys->p_display );
 232             free( p_vout->p_sys );
 233             return VLC_EGENERIC;
 234         }
 235
 236         /* It failed, but it's not completely lost ! We try to open an
 237          * XVideo port for an YUY2 picture. We'll need to do an YUV
 238          * conversion, but at least it has got scaling. */
 239         p_vout->p_sys->i_xvport =
 240                         XVideoGetPort( p_vout, X11_FOURCC('Y','U','Y','2'),
 241                                                &p_vout->output );
 242         if( p_vout->p_sys->i_xvport < 0 )
 243         {
 244             /* It failed, but it's not completely lost ! We try to open an
 245              * XVideo port for a simple 16bpp RGB picture. We'll need to do
 246              * an YUV conversion, but at least it has got scaling. */
 247             p_vout->p_sys->i_xvport =
 248                             XVideoGetPort( p_vout, X11_FOURCC('R','V','1','6'),
 249                                                    &p_vout->output );
 250             if( p_vout->p_sys->i_xvport < 0 )
 251             {
 252                 XCloseDisplay( p_vout->p_sys->p_display );
 253                 free( p_vout->p_sys );
 254                 return VLC_EGENERIC;
 255             }
 256         }
 257     }
 258     p_vout->output.i_chroma = vlc_fourcc_GetCodec( VIDEO_ES, X112VLC_FOURCC(p_vout->output.i_chroma) );
 259 #elif defined(MODULE_NAME_IS_glx)
 260     {
 261         int i_opcode, i_evt, i_err = 0;
 262         int i_maj, i_min = 0;
 263
 264         /* Check for GLX extension */
 265         if( !XQueryExtension( p_vout->p_sys->p_display, "GLX",
 266                               &i_opcode, &i_evt, &i_err ) )
 267         {
 268             msg_Err( p_this, "GLX extension not supported" );
 269             XCloseDisplay( p_vout->p_sys->p_display );
 270             free( p_vout->p_sys );
 271             return VLC_EGENERIC;
 272         }
 273         if( !glXQueryExtension( p_vout->p_sys->p_display, &i_err, &i_evt ) )
 274         {
 275             msg_Err( p_this, "glXQueryExtension failed" );
 276             XCloseDisplay( p_vout->p_sys->p_display );
 277             free( p_vout->p_sys );
 278             return VLC_EGENERIC;
 279         }
 280
 281         /* Check GLX version */
 282         if (!glXQueryVersion( p_vout->p_sys->p_display, &i_maj, &i_min ) )
 283         {
 284             msg_Err( p_this, "glXQueryVersion failed" );
 285             XCloseDisplay( p_vout->p_sys->p_display );
 286             free( p_vout->p_sys );
 287             return VLC_EGENERIC;
 288         }
 289         if( i_maj <= 0 || ((i_maj == 1) && (i_min < 3)) )
 290         {
 291             p_vout->p_sys->b_glx13 = false;
 292             msg_Dbg( p_this, "using GLX 1.2 API" );
 293         }
 294         else
 295         {
 296             p_vout->p_sys->b_glx13 = true;
 297             msg_Dbg( p_this, "using GLX 1.3 API" );
 298         }
 299     }
 300 #endif
 301
 302     /* Create blank cursor (for mouse cursor autohiding) */
 303     p_vout->p_sys->i_time_mouse_last_moved = mdate();
 304     p_vout->p_sys->i_mouse_hide_timeout =
 305         var_GetInteger(p_vout, "mouse-hide-timeout") * 1000;
 306     p_vout->p_sys->b_mouse_pointer_visible = 1;
 307     CreateCursor( p_vout );
 308
 309     /* Set main window's size */
 310     p_vout->p_sys->window.i_x      = 0;
 311     p_vout->p_sys->window.i_y      = 0;
 312     p_vout->p_sys->window.i_width  = p_vout->i_window_width;
 313     p_vout->p_sys->window.i_height = p_vout->i_window_height;
 314     var_Create( p_vout, "video-title", VLC_VAR_STRING | VLC_VAR_DOINHERIT );
 315     /* Spawn base window - this window will include the video output window,
 316      * but also command buttons, subtitles and other indicators */
 317     if( CreateWindow( p_vout, &p_vout->p_sys->window ) )
 318     {
 319         msg_Err( p_vout, "cannot create X11 window" );
 320         DestroyCursor( p_vout );
 321         XCloseDisplay( p_vout->p_sys->p_display );
 322         free( p_vout->p_sys );
 323         return VLC_EGENERIC;
 324     }
 325
 326     /* Open and initialize device. */
 327     if( InitDisplay( p_vout ) )
 328     {
 329         msg_Err( p_vout, "cannot initialize X11 display" );
 330         DestroyCursor( p_vout );
 331         DestroyWindow( p_vout, &p_vout->p_sys->window );
 332         XCloseDisplay( p_vout->p_sys->p_display );
 333         free( p_vout->p_sys );
 334         return VLC_EGENERIC;
 335     }
 336
 337     /* Disable screen saver */
 338     DisableXScreenSaver( p_vout );
 339
 340     /* Misc init */
 341     p_vout->p_sys->i_time_button_last_pressed = 0;
 342
 343 #ifdef MODULE_NAME_IS_xvmc
 344     p_vout->p_sys->p_last_subtitle_save = NULL;
 345     psz_value = config_GetPsz( p_vout, "xvmc-deinterlace-mode" );
 346
 347     /* Look what method was requested */
 348     //var_Create( p_vout, "xvmc-deinterlace-mode", VLC_VAR_STRING );
 349     //var_Change( p_vout, "xvmc-deinterlace-mode", VLC_VAR_INHERITVALUE, &val, NULL );
 350     if( psz_value )
 351     {
 352         if( (strcmp(psz_value, "bob") == 0) ||
 353             (strcmp(psz_value, "blend") == 0) )
 354            p_vout->p_sys->xvmc_deinterlace_method = 2;
 355         else if (strcmp(psz_value, "discard") == 0)
 356            p_vout->p_sys->xvmc_deinterlace_method = 1;
 357         else
 358            p_vout->p_sys->xvmc_deinterlace_method = 0;
 359         free(psz_value );
 360     }
 361     else
 362         p_vout->p_sys->xvmc_deinterlace_method = 0;
 363
 364     /* Look what method was requested */
 365     //var_Create( p_vout, "xvmc-crop-style", VLC_VAR_STRING );
 366     //var_Change( p_vout, "xvmc-crop-style", VLC_VAR_INHERITVALUE, &val, NULL );
 367     psz_value = config_GetPsz( p_vout, "xvmc-crop-style" );
 368
 369     if( psz_value )
 370     {
 371         if( strncmp( psz_value, "eq", 2 ) == 0 )
 372            p_vout->p_sys->xvmc_crop_style = 1;
 373         else if( strncmp( psz_value, "4-16", 4 ) == 0)
 374            p_vout->p_sys->xvmc_crop_style = 2;
 375         else if( strncmp( psz_value, "16-4", 4 ) == 0)
 376            p_vout->p_sys->xvmc_crop_style = 3;
 377         else
 378            p_vout->p_sys->xvmc_crop_style = 0;
 379         free( psz_value );
 380     }
 381     else
 382         p_vout->p_sys->xvmc_crop_style = 0;
 383
 384     msg_Dbg(p_vout, "Deinterlace = %d", p_vout->p_sys->xvmc_deinterlace_method);
 385     msg_Dbg(p_vout, "Crop = %d", p_vout->p_sys->xvmc_crop_style);
 386
 387     if( checkXvMCCap( p_vout ) == VLC_EGENERIC )
 388     {
 389         msg_Err( p_vout, "no XVMC capability found" );
 390         Deactivate( p_this );
 391         return VLC_EGENERIC;
 392     }
 393     subpicture_t sub_pic;
 394     sub_pic.p_sys = NULL;
 395     p_vout->p_sys->last_date = 0;
 396 #endif
 397
 398 #ifdef HAVE_XSP
 399     p_vout->p_sys->i_hw_scale = 1;
 400 #endif
 401
 402 #ifdef HAVE_OSSO
 403     p_vout->p_sys->i_backlight_on_counter = i_backlight_on_interval;
 404     p_vout->p_sys->p_octx = osso_initialize( "vlc", VERSION, 0, NULL );
 405     if ( p_vout->p_sys->p_octx == NULL ) {
 406         msg_Err( p_vout, "Could not get osso context" );
 407     } else {
 408         msg_Dbg( p_vout, "Initialized osso context" );
 409     }
 410 #endif
 411
 412     /* Variable to indicate if the window should be on top of others */
 413     /* Trigger a callback right now */
 414     var_TriggerCallback( p_vout, "video-on-top" );
 415
 416     return VLC_SUCCESS;
 417 }
 418
 419 /*****************************************************************************
 420  * Deactivate: destroy X11 video thread output method
 421  *****************************************************************************
 422  * Terminate an output method created by Open
 423  *****************************************************************************/
 424 void Deactivate ( vlc_object_t *p_this )
 425 {
 426     vout_thread_t *p_vout = (vout_thread_t *)p_this;
 427
 428     /* Restore cursor if it was blanked */
 429     if( !p_vout->p_sys->b_mouse_pointer_visible )
 430     {
 431         ToggleCursor( p_vout );
 432     }
 433
 434 #if defined(MODULE_NAME_IS_xvmc)
 435     if( p_vout->p_sys->xvmc_cap )
 436     {
 437         xvmc_context_writer_lock( &p_vout->p_sys->xvmc_lock );
 438         xxmc_dispose_context( p_vout );
 439         if( p_vout->p_sys->old_subpic )
 440         {
 441             xxmc_xvmc_free_subpicture( p_vout, p_vout->p_sys->old_subpic );
 442             p_vout->p_sys->old_subpic = NULL;
 443         }
 444         if( p_vout->p_sys->new_subpic )
 445         {
 446             xxmc_xvmc_free_subpicture( p_vout, p_vout->p_sys->new_subpic );
 447             p_vout->p_sys->new_subpic = NULL;
 448         }
 449         free( p_vout->p_sys->xvmc_cap );
 450         xvmc_context_writer_unlock( &p_vout->p_sys->xvmc_lock );
 451     }
 452 #endif
 453
 454 #ifdef HAVE_XSP
 455     DisablePixelDoubling(p_vout);
 456 #endif
 457
 458     DestroyCursor( p_vout );
 459     EnableXScreenSaver( p_vout );
 460     DestroyWindow( p_vout, &p_vout->p_sys->window );
 461     XCloseDisplay( p_vout->p_sys->p_display );
 462
 463     /* Destroy structure */
 464 #ifdef MODULE_NAME_IS_xvmc
 465     free_context_lock( &p_vout->p_sys->xvmc_lock );
 466 #endif
 467
 468 #ifdef HAVE_OSSO
 469     if ( p_vout->p_sys->p_octx != NULL ) {
 470         msg_Dbg( p_vout, "Deinitializing osso context" );
 471         osso_deinitialize( p_vout->p_sys->p_octx );
 472     }
 473 #endif
 474
 475     free( p_vout->p_sys );
 476 }
 477
 478 #ifdef MODULE_NAME_IS_xvmc
 479
 480 #define XINE_IMGFMT_YV12 (('2'<<24)|('1'<<16)|('V'<<8)|'Y')
 481
 482 /* called xlocked */
 483 #if 0
 484 static int xvmc_check_yv12( Display *display, XvPortID port )
 485 {
 486     XvImageFormatValues *formatValues;
 487     int                  formats;
 488     int                  i;
 489
 490     formatValues = XvListImageFormats( display, port, &formats );
 491
 492     for( i = 0; i < formats; i++ )
 493     {
 494         if( ( formatValues[i].id == XINE_IMGFMT_YV12 ) &&
 495             ( !( strncmp( formatValues[i].guid, "YV12", 4 ) ) ) )
 496         {
 497             XFree (formatValues);
 498             return 0;
 499         }
 500     }
 501
 502     XFree (formatValues);
 503     return 1;
 504 }
 505 #endif
 506
 507 #if 0
 508 static void xvmc_sync_surface( vout_thread_t *p_vout, XvMCSurface * srf )
 509 {
 510     XvMCSyncSurface( p_vout->p_sys->p_display, srf );
 511 }
 512 #endif
 513
 514 #if 0
 515 static void xvmc_update_XV_DOUBLE_BUFFER( vout_thread_t *p_vout )
 516 {
 517     Atom         atom;
 518     int          xv_double_buffer;
 519
 520     xv_double_buffer = 1;
 521
 522     XLockDisplay( p_vout->p_sys->p_display );
 523     atom = XInternAtom( p_vout->p_sys->p_display, "XV_DOUBLE_BUFFER", False );
 524 #if 0
 525     XvSetPortAttribute (p_vout->p_sys->p_display, p_vout->p_sys->i_xvport, atom, xv_double_buffer);
 526 #endif
 527     XvMCSetAttribute( p_vout->p_sys->p_display, &p_vout->p_sys->context, atom, xv_double_buffer );
 528     XUnlockDisplay( p_vout->p_sys->p_display );
 529
 530     //xprintf(this->xine, XINE_VERBOSITY_DEBUG,
 531     //    "video_out_xxmc: double buffering mode = %d\n", xv_double_buffer);
 532 }
 533 #endif
 534
 535 static void RenderVideo( vout_thread_t *p_vout, picture_t *p_pic )
 536 {
 537     vlc_xxmc_t *xxmc = NULL;
 538
 539     xvmc_context_reader_lock( &p_vout->p_sys->xvmc_lock );
 540
 541     xxmc = &p_pic->p_sys->xxmc_data;
 542     if( (!xxmc->decoded ||
 543         !xxmc_xvmc_surface_valid( p_vout, p_pic->p_sys->xvmc_surf )) )
 544     {
 545         xvmc_context_reader_unlock( &p_vout->p_sys->xvmc_lock );
 546         return;
 547     }
 548
 549 #if 0
 550     vlc_mutex_lock( &p_vout->lastsubtitle_lock );
 551     if (p_vout->p_sys->p_last_subtitle != NULL)
 552     {
 553         if( p_vout->p_sys->p_last_subtitle_save != p_vout->p_sys->p_last_subtitle )
 554         {
 555             p_vout->p_sys->new_subpic =
 556                 xxmc_xvmc_alloc_subpicture( p_vout, &p_vout->p_sys->context,
 557                     p_vout->p_sys->xvmc_width,
 558                     p_vout->p_sys->xvmc_height,
 559                     p_vout->p_sys->xvmc_cap[p_vout->p_sys->xvmc_cur_cap].subPicType.id );
 560
 561             if (p_vout->p_sys->new_subpic)
 562             {
 563                 XVMCLOCKDISPLAY( p_vout->p_sys->p_display );
 564                 XvMCClearSubpicture( p_vout->p_sys->p_display,
 565                         p_vout->p_sys->new_subpic,
 566                         0,
 567                         0,
 568                         p_vout->p_sys->xvmc_width,
 569                         p_vout->p_sys->xvmc_height,
 570                         0x00 );
 571                 XVMCUNLOCKDISPLAY( p_vout->p_sys->p_display );
 572                 clear_xx44_palette( &p_vout->p_sys->palette );
 573
 574                 if( sub_pic.p_sys == NULL )
 575                 {
 576                     sub_pic.p_sys = malloc( sizeof( picture_sys_t ) );
 577                     if( sub_pic.p_sys != NULL )
 578                     {
 579                         sub_pic.p_sys->p_vout = p_vout;
 580                         sub_pic.p_sys->xvmc_surf = NULL;
 581                         sub_pic.p_sys->p_image = p_vout->p_sys->subImage;
 582                     }
 583                 }
 584                 sub_pic.p_sys->p_image = p_vout->p_sys->subImage;
 585                 sub_pic.p->p_pixels = sub_pic.p_sys->p_image->data;
 586                 sub_pic.p->i_pitch = p_vout->output.i_width;
 587
 588                 memset( p_vout->p_sys->subImage->data, 0,
 589                         (p_vout->p_sys->subImage->width * p_vout->p_sys->subImage->height) );
 590
 591                 if (p_vout->p_last_subtitle != NULL)
 592                 {
 593                     blend_xx44( p_vout->p_sys->subImage->data,
 594                                 p_vout->p_last_subtitle,
 595                                 p_vout->p_sys->subImage->width,
 596                                 p_vout->p_sys->subImage->height,
 597                                 p_vout->p_sys->subImage->width,
 598                                 &p_vout->p_sys->palette,
 599                                 (p_vout->p_sys->subImage->id == FOURCC_IA44) );
 600                 }
 601
 602                 XVMCLOCKDISPLAY( p_vout->p_sys->p_display );
 603                 XvMCCompositeSubpicture( p_vout->p_sys->p_display,
 604                                          p_vout->p_sys->new_subpic,
 605                                          p_vout->p_sys->subImage,
 606                                          0, /* overlay->x */
 607                                          0, /* overlay->y */
 608                                          p_vout->output.i_width, /* overlay->width, */
 609                                          p_vout->output.i_height, /* overlay->height */
 610                                          0, /* overlay->x */
 611                                          0 ); /*overlay->y */
 612                 XVMCUNLOCKDISPLAY( p_vout->p_sys->p_display );
 613                 if (p_vout->p_sys->old_subpic)
 614                 {
 615                     xxmc_xvmc_free_subpicture( p_vout,
 616                                                p_vout->p_sys->old_subpic);
 617                     p_vout->p_sys->old_subpic = NULL;
 618                 }
 619                 if (p_vout->p_sys->new_subpic)
 620                 {
 621                     p_vout->p_sys->old_subpic = p_vout->p_sys->new_subpic;
 622                     p_vout->p_sys->new_subpic = NULL;
 623                     xx44_to_xvmc_palette( &p_vout->p_sys->palette,
 624                             p_vout->p_sys->xvmc_palette,
 625                             0,
 626                             p_vout->p_sys->old_subpic->num_palette_entries,
 627                             p_vout->p_sys->old_subpic->entry_bytes,
 628                             p_vout->p_sys->old_subpic->component_order );
 629                     XVMCLOCKDISPLAY( p_vout->p_sys->p_display );
 630                     XvMCSetSubpicturePalette( p_vout->p_sys->p_display,
 631                                               p_vout->p_sys->old_subpic,
 632                                               p_vout->p_sys->xvmc_palette );
 633                     XvMCFlushSubpicture( p_vout->p_sys->p_display,
 634                                          p_vout->p_sys->old_subpic);
 635                     XvMCSyncSubpicture( p_vout->p_sys->p_display,
 636                                         p_vout->p_sys->old_subpic );
 637                     XVMCUNLOCKDISPLAY( p_vout->p_sys->p_display );
 638                 }
 639
 640                 XVMCLOCKDISPLAY( p_vout->p_sys->p_display);
 641                 if (p_vout->p_sys->xvmc_backend_subpic )
 642                 {
 643                     XvMCBlendSubpicture( p_vout->p_sys->p_display,
 644                                          p_pic->p_sys->xvmc_surf,
 645                                          p_vout->p_sys->old_subpic,
 646                                          0,
 647                                          0,
 648                                          p_vout->p_sys->xvmc_width,
 649                                          p_vout->p_sys->xvmc_height,
 650                                          0,
 651                                          0,
 652                                          p_vout->p_sys->xvmc_width,
 653                                          p_vout->p_sys->xvmc_height );
 654                 }
 655                 else
 656                 {
 657                     XvMCBlendSubpicture2( p_vout->p_sys->p_display,
 658                                           p_pic->p_sys->xvmc_surf,
 659                                           p_pic->p_sys->xvmc_surf,
 660                                           p_vout->p_sys->old_subpic,
 661                                           0,
 662                                           0,
 663                                           p_vout->p_sys->xvmc_width,
 664                                           p_vout->p_sys->xvmc_height,
 665                                           0,
 666                                           0,
 667                                           p_vout->p_sys->xvmc_width,
 668                                           p_vout->p_sys->xvmc_height );
 669                }
 670                XVMCUNLOCKDISPLAY(p_vout->p_sys->p_display);
 671             }
 672         }
 673         else
 674         {
 675             XVMCLOCKDISPLAY( p_vout->p_sys->p_display );
 676             if( p_vout->p_sys->xvmc_backend_subpic )
 677             {
 678                 XvMCBlendSubpicture( p_vout->p_sys->p_display,
 679                                      p_pic->p_sys->xvmc_surf,
 680                                      p_vout->p_sys->old_subpic,
 681                                      0, 0,
 682                                      p_vout->p_sys->xvmc_width,
 683                                      p_vout->p_sys->xvmc_height,
 684                                      0, 0,
 685                                      p_vout->p_sys->xvmc_width,
 686                                      p_vout->p_sys->xvmc_height );
 687             }
 688             else
 689             {
 690                 XvMCBlendSubpicture2( p_vout->p_sys->p_display,
 691                                       p_pic->p_sys->xvmc_surf,
 692                                       p_pic->p_sys->xvmc_surf,
 693                                       p_vout->p_sys->old_subpic,
 694                                       0, 0,
 695                                       p_vout->p_sys->xvmc_width,
 696                                       p_vout->p_sys->xvmc_height,
 697                                       0, 0,
 698                                       p_vout->p_sys->xvmc_width,
 699                                       p_vout->p_sys->xvmc_height );
 700             }
 701             XVMCUNLOCKDISPLAY( p_vout->p_sys->p_display );
 702         }
 703     }
 704     p_vout->p_sys->p_last_subtitle_save = p_vout->p_last_subtitle;
 705
 706     vlc_mutex_unlock( &p_vout->lastsubtitle_lock );
 707 #endif
 708     xvmc_context_reader_unlock( &p_vout->p_sys->xvmc_lock );
 709 }
 710 #endif
 711
 712 #ifdef HAVE_XSP
 713 /*****************************************************************************
 714  * EnablePixelDoubling: Enables pixel doubling
 715  *****************************************************************************
 716  * Checks if the double size image fits in current window, and enables pixel
 717  * doubling accordingly. The i_hw_scale is the integer scaling factor.
 718  *****************************************************************************/
 719 static void EnablePixelDoubling( vout_thread_t *p_vout )
 720 {
 721     int i_hor_scale = ( p_vout->p_sys->window.i_width ) / p_vout->render.i_width;
 722     int i_vert_scale =  ( p_vout->p_sys->window.i_height ) / p_vout->render.i_height;
 723     if ( ( i_hor_scale > 1 ) && ( i_vert_scale > 1 ) ) {
 724         p_vout->p_sys->i_hw_scale = 2;
 725         msg_Dbg( p_vout, "Enabling pixel doubling, scaling factor %d", p_vout->p_sys->i_hw_scale );
 726         XSPSetPixelDoubling( p_vout->p_sys->p_display, 0, 1 );
 727     }
 728 }
 729
 730 /*****************************************************************************
 731  * DisablePixelDoubling: Disables pixel doubling
 732  *****************************************************************************
 733  * The scaling factor i_hw_scale is reset to the no-scaling value 1.
 734  *****************************************************************************/
 735 static void DisablePixelDoubling( vout_thread_t *p_vout )
 736 {
 737     if ( p_vout->p_sys->i_hw_scale > 1 ) {
 738         msg_Dbg( p_vout, "Disabling pixel doubling" );
 739         XSPSetPixelDoubling( p_vout->p_sys->p_display, 0, 0 );
 740         p_vout->p_sys->i_hw_scale = 1;
 741     }
 742 }
 743 #endif
 744
 745
 746 #if !defined(MODULE_NAME_IS_glx)
 747 /*****************************************************************************
 748  * InitVideo: initialize X11 video thread output method
 749  *****************************************************************************
 750  * This function create the XImages needed by the output thread. It is called
 751  * at the beginning of the thread, but also each time the window is resized.
 752  *****************************************************************************/
 753 static int InitVideo( vout_thread_t *p_vout )
 754 {
 755     unsigned int i_index = 0;
 756     picture_t *p_pic;
 757
 758     I_OUTPUTPICTURES = 0;
 759
 760 #if defined(MODULE_NAME_IS_xvmc)
 761     /* Initialize the output structure; we already found an XVideo port,
 762      * and the corresponding chroma we will be using. Since we can
 763      * arbitrary scale, stick to the coordinates and aspect. */
 764     p_vout->output.i_width  = p_vout->render.i_width;
 765     p_vout->output.i_height = p_vout->render.i_height;
 766     p_vout->output.i_aspect = p_vout->render.i_aspect;
 767
 768     p_vout->fmt_out = p_vout->fmt_in;
 769     p_vout->fmt_out.i_chroma = p_vout->output.i_chroma;
 770
 771 #if XvVersion < 2 || ( XvVersion == 2 && XvRevision < 2 )
 772     switch( p_vout->output.i_chroma )
 773     {
 774         case VLC_CODEC_RGB16:
 775 #if defined( WORDS_BIGENDIAN )
 776             p_vout->output.i_rmask = 0xf800;
 777             p_vout->output.i_gmask = 0x07e0;
 778             p_vout->output.i_bmask = 0x001f;
 779 #else
 780             p_vout->output.i_rmask = 0x001f;
 781             p_vout->output.i_gmask = 0x07e0;
 782             p_vout->output.i_bmask = 0xf800;
 783 #endif
 784             break;
 785         case VLC_CODEC_RGB15:
 786 #if defined( WORDS_BIGENDIAN )
 787             p_vout->output.i_rmask = 0x7c00;
 788             p_vout->output.i_gmask = 0x03e0;
 789             p_vout->output.i_bmask = 0x001f;
 790 #else
 791             p_vout->output.i_rmask = 0x001f;
 792             p_vout->output.i_gmask = 0x03e0;
 793             p_vout->output.i_bmask = 0x7c00;
 794 #endif
 795             break;
 796     }
 797 #endif
 798 #endif
 799
 800     /* Try to initialize up to MAX_DIRECTBUFFERS direct buffers */
 801     while( I_OUTPUTPICTURES < MAX_DIRECTBUFFERS )
 802     {
 803         p_pic = NULL;
 804
 805         /* Find an empty picture slot */
 806         for( i_index = 0 ; i_index < VOUT_MAX_PICTURES ; i_index++ )
 807         {
 808           if( p_vout->p_picture[ i_index ].i_status == FREE_PICTURE )
 809             {
 810                 p_pic = p_vout->p_picture + i_index;
 811                 break;
 812             }
 813         }
 814
 815         /* Allocate the picture */
 816         if( p_pic == NULL || NewPicture( p_vout, p_pic ) )
 817         {
 818             break;
 819         }
 820
 821         p_pic->i_status = DESTROYED_PICTURE;
 822         p_pic->i_type   = DIRECT_PICTURE;
 823
 824         PP_OUTPUTPICTURE[ I_OUTPUTPICTURES ] = p_pic;
 825
 826         I_OUTPUTPICTURES++;
 827     }
 828
 829     if( p_vout->output.i_chroma == VLC_CODEC_YV12 )
 830     {
 831         /* U and V inverted compared to I420
 832          * Fixme: this should be handled by the vout core */
 833         p_vout->output.i_chroma = VLC_CODEC_I420;
 834         p_vout->fmt_out.i_chroma = VLC_CODEC_I420;
 835     }
 836
 837     return VLC_SUCCESS;
 838 }
 839
 840 /*****************************************************************************
 841  * DisplayVideo: displays previously rendered output
 842  *****************************************************************************
 843  * This function sends the currently rendered image to X11 server.
 844  * (The Xv extension takes care of "double-buffering".)
 845  *****************************************************************************/
 846 static void DisplayVideo( vout_thread_t *p_vout, picture_t *p_pic )
 847 {
 848     unsigned int i_width, i_height, i_x, i_y;
 849
 850     vout_PlacePicture( p_vout, p_vout->p_sys->window.i_width,
 851                        p_vout->p_sys->window.i_height,
 852                        &i_x, &i_y, &i_width, &i_height );
 853
 854 #ifdef MODULE_NAME_IS_xvmc
 855     xvmc_context_reader_lock( &p_vout->p_sys->xvmc_lock );
 856
 857     vlc_xxmc_t *xxmc = &p_pic->p_sys->xxmc_data;
 858     if( !xxmc->decoded ||
 859         !xxmc_xvmc_surface_valid( p_vout, p_pic->p_sys->xvmc_surf ) )
 860     {
 861       msg_Dbg( p_vout, "DisplayVideo decoded=%d\tsurfacevalid=%d",
 862                xxmc->decoded,
 863                xxmc_xvmc_surface_valid( p_vout, p_pic->p_sys->xvmc_surf ) );
 864       xvmc_context_reader_unlock( &p_vout->p_sys->xvmc_lock );
 865       return;
 866     }
 867
 868     int src_width = p_vout->output.i_width;
 869     int src_height = p_vout->output.i_height;
 870     int src_x, src_y;
 871
 872     if( p_vout->p_sys->xvmc_crop_style == 1 )
 873     {
 874         src_x = 20;
 875         src_y = 20;
 876         src_width -= 40;
 877         src_height -= 40;
 878     }
 879     else if( p_vout->p_sys->xvmc_crop_style == 2 )
 880     {
 881         src_x = 20;
 882         src_y = 40;
 883         src_width -= 40;
 884         src_height -= 80;
 885     }
 886     else if( p_vout->p_sys->xvmc_crop_style == 3 )
 887     {
 888         src_x = 40;
 889         src_y = 20;
 890         src_width -= 80;
 891         src_height -= 40;
 892     }
 893     else
 894     {
 895         src_x = 0;
 896         src_y = 0;
 897     }
 898
 899     int first_field;
 900     if( p_vout->p_sys->xvmc_deinterlace_method > 0 )
 901     {   /* BOB DEINTERLACE */
 902         if( (p_pic->p_sys->nb_display == 0) ||
 903             (p_vout->p_sys->xvmc_deinterlace_method == 1) )
 904         {
 905             first_field = (p_pic->b_top_field_first) ?
 906                                 XVMC_BOTTOM_FIELD : XVMC_TOP_FIELD;
 907         }
 908         else
 909         {
 910             first_field = (p_pic->b_top_field_first) ?
 911                                 XVMC_TOP_FIELD : XVMC_BOTTOM_FIELD;
 912         }
 913     }
 914     else
 915     {
 916         first_field = XVMC_FRAME_PICTURE;
 917      }
 918
 919     XVMCLOCKDISPLAY( p_vout->p_sys->p_display );
 920     XvMCFlushSurface( p_vout->p_sys->p_display, p_pic->p_sys->xvmc_surf );
 921     /* XvMCSyncSurface(p_vout->p_sys->p_display, p_picture->p_sys->xvmc_surf); */
 922     XvMCPutSurface( p_vout->p_sys->p_display,
 923                     p_pic->p_sys->xvmc_surf,
 924                     p_vout->p_sys->window.video_window,
 925                     src_x,
 926                     src_y,
 927                     src_width,
 928                     src_height,
 929                     0 /*dest_x*/,
 930                     0 /*dest_y*/,
 931                     i_width,
 932                     i_height,
 933                     first_field);
 934
 935     XVMCUNLOCKDISPLAY( p_vout->p_sys->p_display );
 936     if( p_vout->p_sys->xvmc_deinterlace_method == 2 )
 937     {   /* BOB DEINTERLACE */
 938         if( p_pic->p_sys->nb_display == 0 )/* && ((t2-t1) < 15000)) */
 939         {
 940             mtime_t last_date = p_pic->date;
 941
 942             vlc_mutex_lock( &p_vout->picture_lock );
 943             if( !p_vout->p_sys->last_date )
 944             {
 945                 p_pic->date += 20000;
 946             }
 947             else
 948             {
 949                 p_pic->date = ((3 * p_pic->date -
 950                                     p_vout->p_sys->last_date) / 2 );
 951             }
 952             p_vout->p_sys->last_date = last_date;
 953             p_pic->b_force = 1;
 954             p_pic->p_sys->nb_display = 1;
 955             vlc_mutex_unlock( &p_vout->picture_lock );
 956         }
 957         else
 958         {
 959             p_pic->p_sys->nb_display = 0;
 960             p_pic->b_force = 0;
 961         }
 962     }
 963     xvmc_context_reader_unlock( &p_vout->p_sys->xvmc_lock );
 964 #endif
 965
 966 #ifdef HAVE_SYS_SHM_H
 967     if( p_vout->p_sys->i_shm_opcode )
 968     {
 969         /* Display rendered image using shared memory extension */
 970         XvShmPutImage( p_vout->p_sys->p_display, p_vout->p_sys->i_xvport,
 971                        p_vout->p_sys->window.video_window,
 972                        p_vout->p_sys->window.gc, p_pic->p_sys->p_image,
 973                        p_vout->fmt_out.i_x_offset,
 974                        p_vout->fmt_out.i_y_offset,
 975                        p_vout->fmt_out.i_visible_width,
 976                        p_vout->fmt_out.i_visible_height,
 977                        0 /*dest_x*/, 0 /*dest_y*/, i_width, i_height,
 978                        False /* Don't put True here or you'll waste your CPU */ );
 979     }
 980     else
 981 #endif /* HAVE_SYS_SHM_H */
 982     {
 983         /* Use standard XPutImage -- this is gonna be slow ! */
 984         XvPutImage( p_vout->p_sys->p_display, p_vout->p_sys->i_xvport,
 985                     p_vout->p_sys->window.video_window,
 986                     p_vout->p_sys->window.gc, p_pic->p_sys->p_image,
 987                     p_vout->fmt_out.i_x_offset,
 988                     p_vout->fmt_out.i_y_offset,
 989                     p_vout->fmt_out.i_visible_width,
 990                     p_vout->fmt_out.i_visible_height,
 991                     0 /*dest_x*/, 0 /*dest_y*/, i_width, i_height );
 992     }
 993
 994     /* Make sure the command is sent now - do NOT use XFlush !*/
 995     XSync( p_vout->p_sys->p_display, False );
 996 }
 997 #endif
 998
 999 /*****************************************************************************
1000  * ManageVideo: handle X11 events
1001  *****************************************************************************
1002  * This function should be called regularly by video output thread. It manages
1003  * X11 events and allows window resizing. It returns a non null value on
1004  * error.
1005  *****************************************************************************/
1006 static int ManageVideo( vout_thread_t *p_vout )
1007 {
1008     XEvent      xevent;                                         /* X11 event */
1009     vlc_value_t val;
1010
1011 #ifdef MODULE_NAME_IS_xvmc
1012     xvmc_context_reader_lock( &p_vout->p_sys->xvmc_lock );
1013 #endif
1014
1015     /* Handle events from the owner window */
1016     while( XCheckWindowEvent( p_vout->p_sys->p_display,
1017                               p_vout->p_sys->window.owner_window->handle.xid,
1018                               StructureNotifyMask, &xevent ) == True )
1019     {
1020         /* ConfigureNotify event: prepare  */
1021         if( xevent.type == ConfigureNotify )
1022             /* Update dimensions */
1023             XResizeWindow( p_vout->p_sys->p_display,
1024                            p_vout->p_sys->window.base_window,
1025                            xevent.xconfigure.width,
1026                            xevent.xconfigure.height );
1027     }
1028
1029     /* Handle X11 events: ConfigureNotify events are parsed to know if the
1030      * output window's size changed, MapNotify and UnmapNotify to know if the
1031      * window is mapped (and if the display is useful), and ClientMessages
1032      * to intercept window destruction requests */
1033
1034     while( XCheckWindowEvent( p_vout->p_sys->p_display,
1035                               p_vout->p_sys->window.base_window,
1036                               StructureNotifyMask |
1037                               ButtonPressMask | ButtonReleaseMask |
1038                               PointerMotionMask | Button1MotionMask , &xevent )
1039            == True )
1040     {
1041         /* ConfigureNotify event: prepare  */
1042         if( xevent.type == ConfigureNotify )
1043         {
1044             if( (unsigned int)xevent.xconfigure.width
1045                    != p_vout->p_sys->window.i_width
1046               || (unsigned int)xevent.xconfigure.height
1047                     != p_vout->p_sys->window.i_height )
1048             {
1049                 /* Update dimensions */
1050                 p_vout->i_changes |= VOUT_SIZE_CHANGE;
1051                 p_vout->p_sys->window.i_width = xevent.xconfigure.width;
1052                 p_vout->p_sys->window.i_height = xevent.xconfigure.height;
1053             }
1054         }
1055         /* Mouse click */
1056         else if( xevent.type == ButtonPress )
1057         {
1058             switch( ((XButtonEvent *)&xevent)->button )
1059             {
1060                 case Button1:
1061                     var_Get( p_vout, "mouse-button-down", &val );
1062                     val.i_int |= 1;
1063                     var_Set( p_vout, "mouse-button-down", val );
1064
1065                     var_SetBool( p_vout->p_libvlc, "intf-popupmenu", false );
1066
1067                     /* detect double-clicks */
1068                     if( ( ((XButtonEvent *)&xevent)->time -
1069                           p_vout->p_sys->i_time_button_last_pressed ) < 300 )
1070                     {
1071                         p_vout->i_changes |= VOUT_FULLSCREEN_CHANGE;
1072                     }
1073
1074                     p_vout->p_sys->i_time_button_last_pressed =
1075                         ((XButtonEvent *)&xevent)->time;
1076                     break;
1077                 case Button2:
1078                     var_Get( p_vout, "mouse-button-down", &val );
1079                     val.i_int |= 2;
1080                     var_Set( p_vout, "mouse-button-down", val );
1081                     break;
1082
1083                 case Button3:
1084                     var_Get( p_vout, "mouse-button-down", &val );
1085                     val.i_int |= 4;
1086                     var_Set( p_vout, "mouse-button-down", val );
1087                     var_SetBool( p_vout->p_libvlc, "intf-popupmenu", true );
1088                     break;
1089
1090                 case Button4:
1091                     var_Get( p_vout, "mouse-button-down", &val );
1092                     val.i_int |= 8;
1093                     var_Set( p_vout, "mouse-button-down", val );
1094                     break;
1095
1096                 case Button5:
1097                     var_Get( p_vout, "mouse-button-down", &val );
1098                     val.i_int |= 16;
1099                     var_Set( p_vout, "mouse-button-down", val );
1100                     break;
1101             }
1102         }
1103         /* Mouse release */
1104         else if( xevent.type == ButtonRelease )
1105         {
1106             switch( ((XButtonEvent *)&xevent)->button )
1107             {
1108                 case Button1:
1109                     {
1110                         var_Get( p_vout, "mouse-button-down", &val );
1111                         val.i_int &= ~1;
1112                         var_Set( p_vout, "mouse-button-down", val );
1113
1114                         var_SetBool( p_vout, "mouse-clicked", true );
1115                     }
1116                     break;
1117
1118                 case Button2:
1119                     {
1120                         var_Get( p_vout, "mouse-button-down", &val );
1121                         val.i_int &= ~2;
1122                         var_Set( p_vout, "mouse-button-down", val );
1123
1124                         var_Get( p_vout->p_libvlc, "intf-show", &val );
1125                         val.b_bool = !val.b_bool;
1126                         var_Set( p_vout->p_libvlc, "intf-show", val );
1127                     }
1128                     break;
1129
1130                 case Button3:
1131                     {
1132                         var_Get( p_vout, "mouse-button-down", &val );
1133                         val.i_int &= ~4;
1134                         var_Set( p_vout, "mouse-button-down", val );
1135
1136                     }
1137                     break;
1138
1139                 case Button4:
1140                     var_Get( p_vout, "mouse-button-down", &val );
1141                     val.i_int &= ~8;
1142                     var_Set( p_vout, "mouse-button-down", val );
1143                     break;
1144
1145                 case Button5:
1146                     var_Get( p_vout, "mouse-button-down", &val );
1147                     val.i_int &= ~16;
1148                     var_Set( p_vout, "mouse-button-down", val );
1149                     break;
1150
1151             }
1152         }
1153         /* Mouse move */
1154         else if( xevent.type == MotionNotify )
1155         {
1156             unsigned int i_width, i_height, i_x, i_y;
1157
1158             /* somewhat different use for vout_PlacePicture:
1159              * here the values are needed to give to mouse coordinates
1160              * in the original picture space */
1161             vout_PlacePicture( p_vout, p_vout->p_sys->window.i_width,
1162                                p_vout->p_sys->window.i_height,
1163                                &i_x, &i_y, &i_width, &i_height );
1164
1165             /* Compute the x coordinate and check if the value is
1166                in [0,p_vout->fmt_in.i_visible_width] */
1167             val.i_int = ( xevent.xmotion.x - i_x ) *
1168                 p_vout->fmt_in.i_visible_width / i_width +
1169                 p_vout->fmt_in.i_x_offset;
1170
1171             if( (int)(xevent.xmotion.x - i_x) < 0 )
1172                 val.i_int = 0;
1173             else if( (unsigned int)val.i_int > p_vout->fmt_in.i_visible_width )
1174                 val.i_int = p_vout->fmt_in.i_visible_width;
1175
1176             var_Set( p_vout, "mouse-x", val );
1177
1178             /* compute the y coordinate and check if the value is
1179                in [0,p_vout->fmt_in.i_visible_height] */
1180             val.i_int = ( xevent.xmotion.y - i_y ) *
1181                 p_vout->fmt_in.i_visible_height / i_height +
1182                 p_vout->fmt_in.i_y_offset;
1183
1184             if( (int)(xevent.xmotion.y - i_y) < 0 )
1185                 val.i_int = 0;
1186             else if( (unsigned int)val.i_int > p_vout->fmt_in.i_visible_height )
1187                 val.i_int = p_vout->fmt_in.i_visible_height;
1188
1189             var_Set( p_vout, "mouse-y", val );
1190
1191             var_SetBool( p_vout, "mouse-moved", true );
1192
1193             p_vout->p_sys->i_time_mouse_last_moved = mdate();
1194             if( ! p_vout->p_sys->b_mouse_pointer_visible )
1195             {
1196                 ToggleCursor( p_vout );
1197             }
1198         }
1199         else if( xevent.type == ReparentNotify /* XXX: why do we get this? */
1200                   || xevent.type == MapNotify
1201                   || xevent.type == UnmapNotify )
1202         {
1203             /* Ignore these events */
1204         }
1205         else /* Other events */
1206         {
1207             msg_Warn( p_vout, "unhandled event %d received", xevent.type );
1208         }
1209     }
1210
1211     /* Handle events for video output sub-window */
1212     while( XCheckWindowEvent( p_vout->p_sys->p_display,
1213                               p_vout->p_sys->window.video_window,
1214                               ExposureMask, &xevent ) == True );
1215
1216     /* ClientMessage event - only WM_PROTOCOLS with WM_DELETE_WINDOW data
1217      * are handled - according to the man pages, the format is always 32
1218      * in this case */
1219     while( XCheckTypedEvent( p_vout->p_sys->p_display,
1220                              ClientMessage, &xevent ) )
1221     {
1222         if( (xevent.xclient.message_type == p_vout->p_sys->window.wm_protocols)
1223                && ((Atom)xevent.xclient.data.l[0]
1224                      == p_vout->p_sys->window.wm_delete_window ) )
1225         {
1226             /* the user wants to close the window */
1227             playlist_t * p_playlist = pl_Hold( p_vout );
1228             if( p_playlist != NULL )
1229             {
1230                 playlist_Stop( p_playlist );
1231                 pl_Release( p_vout );
1232             }
1233         }
1234     }
1235
1236     /*
1237      * Fullscreen Change
1238      */
1239     if ( p_vout->i_changes & VOUT_FULLSCREEN_CHANGE )
1240     {
1241         /* Update the object variable and trigger callback */
1242         var_SetBool( p_vout, "fullscreen", !p_vout->b_fullscreen );
1243
1244         ToggleFullScreen( p_vout );
1245         p_vout->i_changes &= ~VOUT_FULLSCREEN_CHANGE;
1246     }
1247
1248     /* autoscale toggle */
1249     if( p_vout->i_changes & VOUT_SCALE_CHANGE )
1250     {
1251         p_vout->i_changes &= ~VOUT_SCALE_CHANGE;
1252
1253         p_vout->b_autoscale = var_GetBool( p_vout, "autoscale" );
1254         p_vout->i_zoom = ZOOM_FP_FACTOR;
1255
1256         p_vout->i_changes |= VOUT_SIZE_CHANGE;
1257     }
1258
1259     /* scaling factor */
1260     if( p_vout->i_changes & VOUT_ZOOM_CHANGE )
1261     {
1262         p_vout->i_changes &= ~VOUT_ZOOM_CHANGE;
1263
1264         p_vout->b_autoscale = false;
1265         p_vout->i_zoom =
1266             (int)( ZOOM_FP_FACTOR * var_GetFloat( p_vout, "scale" ) );
1267
1268         p_vout->i_changes |= VOUT_SIZE_CHANGE;
1269     }
1270
1271     if( p_vout->i_changes & VOUT_CROP_CHANGE ||
1272         p_vout->i_changes & VOUT_ASPECT_CHANGE )
1273     {
1274         p_vout->i_changes &= ~VOUT_CROP_CHANGE;
1275         p_vout->i_changes &= ~VOUT_ASPECT_CHANGE;
1276
1277         p_vout->fmt_out.i_x_offset = p_vout->fmt_in.i_x_offset;
1278         p_vout->fmt_out.i_y_offset = p_vout->fmt_in.i_y_offset;
1279         p_vout->fmt_out.i_visible_width = p_vout->fmt_in.i_visible_width;
1280         p_vout->fmt_out.i_visible_height = p_vout->fmt_in.i_visible_height;
1281         p_vout->fmt_out.i_aspect = p_vout->fmt_in.i_aspect;
1282         p_vout->fmt_out.i_sar_num = p_vout->fmt_in.i_sar_num;
1283         p_vout->fmt_out.i_sar_den = p_vout->fmt_in.i_sar_den;
1284         p_vout->output.i_aspect = p_vout->fmt_in.i_aspect;
1285
1286         p_vout->i_changes |= VOUT_SIZE_CHANGE;
1287     }
1288
1289     /*
1290      * Size change
1291      *
1292      * (Needs to be placed after VOUT_FULLSREEN_CHANGE because we can activate
1293      *  the size flag inside the fullscreen routine)
1294      */
1295     if( p_vout->i_changes & VOUT_SIZE_CHANGE )
1296     {
1297         unsigned int i_width, i_height, i_x, i_y;
1298
1299         p_vout->i_changes &= ~VOUT_SIZE_CHANGE;
1300
1301         vout_PlacePicture( p_vout, p_vout->p_sys->window.i_width,
1302                            p_vout->p_sys->window.i_height,
1303                            &i_x, &i_y, &i_width, &i_height );
1304
1305         XMoveResizeWindow( p_vout->p_sys->p_display,
1306                            p_vout->p_sys->window.video_window,
1307                            i_x, i_y, i_width, i_height );
1308     }
1309
1310     /* cursor hiding depending on --vout-event option
1311      *      activated if:
1312      *            value = 1 (Fullsupport) (default value)
1313      *         or value = 2 (Fullscreen-Only) and condition met
1314      */
1315     bool b_vout_event = (   ( p_vout->p_sys->i_vout_event == 1 )
1316                          || ( p_vout->p_sys->i_vout_event == 2 && p_vout->b_fullscreen )
1317                         );
1318
1319     /* Autohide Cursour */
1320     if( mdate() - p_vout->p_sys->i_time_mouse_last_moved >
1321         p_vout->p_sys->i_mouse_hide_timeout )
1322     {
1323         /* Hide the mouse automatically */
1324         if( b_vout_event && p_vout->p_sys->b_mouse_pointer_visible )
1325         {
1326             ToggleCursor( p_vout );
1327         }
1328     }
1329
1330 #ifdef MODULE_NAME_IS_xvmc
1331     xvmc_context_reader_unlock( &p_vout->p_sys->xvmc_lock );
1332 #endif
1333
1334 #ifdef HAVE_OSSO
1335     if ( p_vout->p_sys->p_octx != NULL ) {
1336         if ( p_vout->p_sys->i_backlight_on_counter == i_backlight_on_interval ) {
1337             if ( osso_display_blanking_pause( p_vout->p_sys->p_octx ) != OSSO_OK ) {
1338                 msg_Err( p_vout, "Could not disable backlight blanking" );
1339         } else {
1340                 msg_Dbg( p_vout, "Backlight blanking disabled" );
1341             }
1342             p_vout->p_sys->i_backlight_on_counter = 0;
1343         } else {
1344             p_vout->p_sys->i_backlight_on_counter ++;
1345         }
1346     }
1347 #endif
1348     return 0;
1349 }
1350
1351 #if !defined( MODULE_NAME_IS_glx )
1352 /*****************************************************************************
1353  * EndVideo: terminate X11 video thread output method
1354  *****************************************************************************
1355  * Destroy the X11 XImages created by Init. It is called at the end of
1356  * the thread, but also each time the window is resized.
1357  *****************************************************************************/
1358 static void EndVideo( vout_thread_t *p_vout )
1359 {
1360     int i_index;
1361
1362     /* Free the direct buffers we allocated */
1363     for( i_index = I_OUTPUTPICTURES ; i_index ; )
1364     {
1365         i_index--;
1366         FreePicture( p_vout, PP_OUTPUTPICTURE[ i_index ] );
1367     }
1368 }
1369 #endif
1370
1371 /* following functions are local */
1372
1373 /*****************************************************************************
1374  * CreateWindow: open and set-up X11 main window
1375  *****************************************************************************/
1376 static int CreateWindow( vout_thread_t *p_vout, x11_window_t *p_win )
1377 {
1378     XSizeHints              xsize_hints;
1379     XSetWindowAttributes    xwindow_attributes;
1380     XGCValues               xgcvalues;
1381     XEvent                  xevent;
1382
1383     bool              b_map_notify = false;
1384
1385     /* Prepare window manager hints and properties */
1386     p_win->wm_protocols =
1387              XInternAtom( p_vout->p_sys->p_display, "WM_PROTOCOLS", True );
1388     p_win->wm_delete_window =
1389              XInternAtom( p_vout->p_sys->p_display, "WM_DELETE_WINDOW", True );
1390
1391     /* Never have a 0-pixel-wide window */
1392     xsize_hints.min_width = 2;
1393     xsize_hints.min_height = 1;
1394
1395     /* Prepare window attributes */
1396     xwindow_attributes.backing_store = Always;       /* save the hidden part */
1397     xwindow_attributes.background_pixel = BlackPixel(p_vout->p_sys->p_display,
1398                                                      p_vout->p_sys->i_screen);
1399     xwindow_attributes.event_mask = ExposureMask | StructureNotifyMask;
1400
1401     {
1402         vout_window_cfg_t wnd_cfg;
1403         memset( &wnd_cfg, 0, sizeof(wnd_cfg) );
1404         wnd_cfg.type   = VOUT_WINDOW_TYPE_XID;
1405         wnd_cfg.x      = p_win->i_x;
1406         wnd_cfg.y      = p_win->i_y;
1407         wnd_cfg.width  = p_win->i_width;
1408         wnd_cfg.height = p_win->i_height;
1409
1410         p_win->owner_window = vout_window_New( VLC_OBJECT(p_vout), NULL, &wnd_cfg );
1411         if( !p_win->owner_window )
1412             return VLC_EGENERIC;
1413         xsize_hints.base_width  = xsize_hints.width = p_win->i_width;
1414         xsize_hints.base_height = xsize_hints.height = p_win->i_height;
1415         xsize_hints.flags       = PSize | PMinSize;
1416
1417         if( p_win->i_x >=0 || p_win->i_y >= 0 )
1418         {
1419             xsize_hints.x = p_win->i_x;
1420             xsize_hints.y = p_win->i_y;
1421             xsize_hints.flags |= PPosition;
1422         }
1423
1424         /* Select events we are interested in. */
1425         XSelectInput( p_vout->p_sys->p_display,
1426                       p_win->owner_window->handle.xid, StructureNotifyMask );
1427
1428         /* Get the parent window's geometry information */
1429         XGetGeometry( p_vout->p_sys->p_display,
1430                       p_win->owner_window->handle.xid,
1431                       &(Window){ 0 }, &(int){ 0 }, &(int){ 0 },
1432                       &p_win->i_width,
1433                       &p_win->i_height,
1434                       &(unsigned){ 0 }, &(unsigned){ 0 } );
1435
1436         /* From man XSelectInput: only one client at a time can select a
1437          * ButtonPress event, so we need to open a new window anyway. */
1438         p_win->base_window =
1439             XCreateWindow( p_vout->p_sys->p_display,
1440                            p_win->owner_window->handle.xid,
1441                            0, 0,
1442                            p_win->i_width, p_win->i_height,
1443                            0,
1444                            0, CopyFromParent, 0,
1445                            CWBackingStore | CWBackPixel | CWEventMask,
1446                            &xwindow_attributes );
1447     }
1448
1449     if( (p_win->wm_protocols == None)        /* use WM_DELETE_WINDOW */
1450         || (p_win->wm_delete_window == None)
1451         || !XSetWMProtocols( p_vout->p_sys->p_display, p_win->base_window,
1452                              &p_win->wm_delete_window, 1 ) )
1453     {
1454         /* WM_DELETE_WINDOW is not supported by window manager */
1455         msg_Warn( p_vout, "missing or bad window manager" );
1456     }
1457
1458     /* Creation of a graphic context that doesn't generate a GraphicsExpose
1459      * event when using functions like XCopyArea */
1460     xgcvalues.graphics_exposures = False;
1461     p_win->gc = XCreateGC( p_vout->p_sys->p_display,
1462                            p_win->base_window,
1463                            GCGraphicsExposures, &xgcvalues );
1464
1465     /* Wait till the window is mapped */
1466     XMapWindow( p_vout->p_sys->p_display, p_win->base_window );
1467     do
1468     {
1469         XWindowEvent( p_vout->p_sys->p_display, p_win->base_window,
1470                       SubstructureNotifyMask | StructureNotifyMask, &xevent);
1471         if( (xevent.type == MapNotify)
1472                  && (xevent.xmap.window == p_win->base_window) )
1473         {
1474             b_map_notify = true;
1475         }
1476         else if( (xevent.type == ConfigureNotify)
1477                  && (xevent.xconfigure.window == p_win->base_window) )
1478         {
1479             p_win->i_width = xevent.xconfigure.width;
1480             p_win->i_height = xevent.xconfigure.height;
1481         }
1482     } while( !b_map_notify );
1483
1484     /* key and mouse events handling depending on --vout-event option
1485      *      activated if:
1486      *            value = 1 (Fullsupport) (default value)
1487      *         or value = 2 (Fullscreen-Only) and condition met
1488      */
1489     bool b_vout_event = (   ( p_vout->p_sys->i_vout_event == 1 )
1490                          || ( p_vout->p_sys->i_vout_event == 2 && p_vout->b_fullscreen )
1491                         );
1492     if ( b_vout_event )
1493         XSelectInput( p_vout->p_sys->p_display, p_win->base_window,
1494                       StructureNotifyMask |
1495                       ButtonPressMask | ButtonReleaseMask |
1496                       PointerMotionMask );
1497
1498     /* Create video output sub-window. */
1499     p_win->video_window =  XCreateSimpleWindow(
1500                                       p_vout->p_sys->p_display,
1501                                       p_win->base_window, 0, 0,
1502                                       p_win->i_width, p_win->i_height,
1503                                       0,
1504                                       BlackPixel( p_vout->p_sys->p_display,
1505                                                   p_vout->p_sys->i_screen ),
1506                                       WhitePixel( p_vout->p_sys->p_display,
1507                                                   p_vout->p_sys->i_screen ) );
1508
1509     XSetWindowBackground( p_vout->p_sys->p_display, p_win->video_window,
1510                           BlackPixel( p_vout->p_sys->p_display,
1511                                       p_vout->p_sys->i_screen ) );
1512
1513     XMapWindow( p_vout->p_sys->p_display, p_win->video_window );
1514     XSelectInput( p_vout->p_sys->p_display, p_win->video_window,
1515                   ExposureMask );
1516
1517     /* make sure the video window will be centered in the next ManageVideo() */
1518     p_vout->i_changes |= VOUT_SIZE_CHANGE;
1519
1520     /* If the cursor was formerly blank than blank it again */
1521     if( !p_vout->p_sys->b_mouse_pointer_visible )
1522     {
1523         ToggleCursor( p_vout );
1524         ToggleCursor( p_vout );
1525     }
1526
1527     /* Do NOT use XFlush here ! */
1528     XSync( p_vout->p_sys->p_display, False );
1529
1530     return VLC_SUCCESS;
1531 }
1532
1533 /*****************************************************************************
1534  * DestroyWindow: destroy the window
1535  *****************************************************************************
1536  *
1537  *****************************************************************************/
1538 static void DestroyWindow( vout_thread_t *p_vout, x11_window_t *p_win )
1539 {
1540     /* Do NOT use XFlush here ! */
1541     XSync( p_vout->p_sys->p_display, False );
1542
1543     if( p_win->video_window != None )
1544         XDestroyWindow( p_vout->p_sys->p_display, p_win->video_window );
1545
1546     XFreeGC( p_vout->p_sys->p_display, p_win->gc );
1547
1548     XUnmapWindow( p_vout->p_sys->p_display, p_win->base_window );
1549     XDestroyWindow( p_vout->p_sys->p_display, p_win->base_window );
1550
1551     /* make sure base window is destroyed before proceeding further */
1552     bool b_destroy_notify = false;
1553     do
1554     {
1555         XEvent      xevent;
1556         XWindowEvent( p_vout->p_sys->p_display, p_win->base_window,
1557                       SubstructureNotifyMask | StructureNotifyMask, &xevent);
1558         if( (xevent.type == DestroyNotify)
1559                  && (xevent.xmap.window == p_win->base_window) )
1560         {
1561             b_destroy_notify = true;
1562         }
1563     } while( !b_destroy_notify );
1564
1565     vout_window_Delete( p_win->owner_window );
1566 }
1567
1568 /*****************************************************************************
1569  * NewPicture: allocate a picture
1570  *****************************************************************************
1571  * Returns 0 on success, -1 otherwise
1572  *****************************************************************************/
1573 #if !defined(MODULE_NAME_IS_glx)
1574 static int NewPicture( vout_thread_t *p_vout, picture_t *p_pic )
1575 {
1576     int i_plane;
1577
1578     /* We know the chroma, allocate a buffer which will be used
1579      * directly by the decoder */
1580     p_pic->p_sys = malloc( sizeof( picture_sys_t ) );
1581
1582     if( p_pic->p_sys == NULL )
1583     {
1584         return -1;
1585     }
1586
1587 #ifdef MODULE_NAME_IS_xvmc
1588     p_pic->p_sys->p_vout = p_vout;
1589     p_pic->p_sys->xvmc_surf = NULL;
1590     p_pic->p_sys->xxmc_data.decoded = 0;
1591     p_pic->p_sys->xxmc_data.proc_xxmc_update_frame = xxmc_do_update_frame;
1592     //    p_pic->p_accel_data = &p_pic->p_sys->xxmc_data;
1593     p_pic->p_sys->nb_display = 0;
1594 #endif
1595
1596     /* Fill in picture_t fields */
1597     if( picture_Setup( p_pic, p_vout->output.i_chroma,
1598                        p_vout->output.i_width, p_vout->output.i_height,
1599                        p_vout->output.i_aspect ) )
1600         return -1;
1601
1602 #ifdef HAVE_SYS_SHM_H
1603     if( p_vout->p_sys->i_shm_opcode )
1604     {
1605         /* Create image using XShm extension */
1606         p_pic->p_sys->p_image =
1607             CreateShmImage( p_vout, p_vout->p_sys->p_display,
1608                             p_vout->p_sys->i_xvport,
1609                             VLC2X11_FOURCC(p_vout->output.i_chroma),
1610                             &p_pic->p_sys->shminfo,
1611                             p_vout->output.i_width, p_vout->output.i_height );
1612     }
1613
1614     if( !p_vout->p_sys->i_shm_opcode || !p_pic->p_sys->p_image )
1615 #endif /* HAVE_SYS_SHM_H */
1616     {
1617         /* Create image without XShm extension */
1618         p_pic->p_sys->p_image =
1619             CreateImage( p_vout, p_vout->p_sys->p_display,
1620                          p_vout->p_sys->i_xvport,
1621                          VLC2X11_FOURCC(p_vout->output.i_chroma),
1622                          p_pic->format.i_bits_per_pixel,
1623                          p_vout->output.i_width, p_vout->output.i_height );
1624
1625 #ifdef HAVE_SYS_SHM_H
1626         if( p_pic->p_sys->p_image && p_vout->p_sys->i_shm_opcode )
1627         {
1628             msg_Warn( p_vout, "couldn't create SHM image, disabling SHM" );
1629             p_vout->p_sys->i_shm_opcode = 0;
1630         }
1631 #endif /* HAVE_SYS_SHM_H */
1632     }
1633
1634     if( p_pic->p_sys->p_image == NULL )
1635     {
1636         free( p_pic->p_sys );
1637         return -1;
1638     }
1639
1640     switch( p_vout->output.i_chroma )
1641     {
1642         case VLC_CODEC_I420:
1643         case VLC_CODEC_YV12:
1644         case VLC_CODEC_Y211:
1645         case VLC_CODEC_YUYV:
1646         case VLC_CODEC_UYVY:
1647         case VLC_CODEC_RGB15:
1648         case VLC_CODEC_RGB16:
1649         case VLC_CODEC_RGB24: /* Fixme: pixel pitch == 4 ? */
1650         case VLC_CODEC_RGB32:
1651
1652             for( i_plane = 0; i_plane < p_pic->p_sys->p_image->num_planes;
1653                  i_plane++ )
1654             {
1655                 p_pic->p[i_plane].p_pixels = (uint8_t*)p_pic->p_sys->p_image->data
1656                     + p_pic->p_sys->p_image->offsets[i_plane];
1657                 p_pic->p[i_plane].i_pitch =
1658                     p_pic->p_sys->p_image->pitches[i_plane];
1659             }
1660             if( p_vout->output.i_chroma == VLC_CODEC_YV12 )
1661             {
1662                 /* U and V inverted compared to I420
1663                  * Fixme: this should be handled by the vout core */
1664                 p_pic->U_PIXELS = (uint8_t*)p_pic->p_sys->p_image->data
1665                     + p_pic->p_sys->p_image->offsets[2];
1666                 p_pic->V_PIXELS = (uint8_t*)p_pic->p_sys->p_image->data
1667                     + p_pic->p_sys->p_image->offsets[1];
1668             }
1669
1670             break;
1671
1672         default:
1673             /* Unknown chroma, tell the guy to get lost */
1674             IMAGE_FREE( p_pic->p_sys->p_image );
1675             free( p_pic->p_sys );
1676             msg_Err( p_vout, "never heard of chroma 0x%.8x (%4.4s)",
1677                      p_vout->output.i_chroma, (char*)&p_vout->output.i_chroma );
1678             p_pic->i_planes = 0;
1679             return -1;
1680     }
1681     return 0;
1682 }
1683
1684 /*****************************************************************************
1685  * FreePicture: destroy a picture allocated with NewPicture
1686  *****************************************************************************
1687  * Destroy XImage AND associated data. If using Shm, detach shared memory
1688  * segment from server and process, then free it. The XDestroyImage manpage
1689  * says that both the image structure _and_ the data pointed to by the
1690  * image structure are freed, so no need to free p_image->data.
1691  *****************************************************************************/
1692 static void FreePicture( vout_thread_t *p_vout, picture_t *p_pic )
1693 {
1694     /* The order of operations is correct */
1695 #ifdef HAVE_SYS_SHM_H
1696     if( p_vout->p_sys->i_shm_opcode )
1697     {
1698         XShmDetach( p_vout->p_sys->p_display, &p_pic->p_sys->shminfo );
1699         IMAGE_FREE( p_pic->p_sys->p_image );
1700
1701         shmctl( p_pic->p_sys->shminfo.shmid, IPC_RMID, 0 );
1702         if( shmdt( p_pic->p_sys->shminfo.shmaddr ) )
1703         {
1704             msg_Err( p_vout, "cannot detach shared memory (%m)" );
1705         }
1706     }
1707     else
1708 #endif
1709     {
1710         IMAGE_FREE( p_pic->p_sys->p_image );
1711     }
1712
1713 #ifdef MODULE_NAME_IS_xvmc
1714     if( p_pic->p_sys->xvmc_surf != NULL )
1715     {
1716         xxmc_xvmc_free_surface(p_vout , p_pic->p_sys->xvmc_surf);
1717         p_pic->p_sys->xvmc_surf = NULL;
1718     }
1719 #endif
1720
1721     /* Do NOT use XFlush here ! */
1722     XSync( p_vout->p_sys->p_display, False );
1723
1724     free( p_pic->p_sys );
1725 }
1726 #endif /* !MODULE_NAME_IS_glx */
1727
1728 /*****************************************************************************
1729  * ToggleFullScreen: Enable or disable full screen mode
1730  *****************************************************************************
1731  * This function will switch between fullscreen and window mode.
1732  *****************************************************************************/
1733 static void ToggleFullScreen ( vout_thread_t *p_vout )
1734 {
1735     p_vout->b_fullscreen = !p_vout->b_fullscreen;
1736     vout_window_SetFullScreen( p_vout->p_sys->window.owner_window,
1737                                p_vout->b_fullscreen );
1738
1739 #ifdef HAVE_XSP
1740     if( p_vout->b_fullscreen )
1741         EnablePixelDoubling( p_vout );
1742     else
1743         DisablePixelDoubling( p_vout );
1744 #endif
1745 }
1746
1747 /*****************************************************************************
1748  * EnableXScreenSaver: enable screen saver
1749  *****************************************************************************
1750  * This function enables the screen saver on a display after it has been
1751  * disabled by XDisableScreenSaver.
1752  * FIXME: what happens if multiple vlc sessions are running at the same
1753  *        time ???
1754  *****************************************************************************/
1755 static void EnableXScreenSaver( vout_thread_t *p_vout )
1756 {
1757 #ifdef DPMSINFO_IN_DPMS_H
1758     int dummy;
1759 #endif
1760
1761     if( p_vout->p_sys->i_ss_timeout )
1762     {
1763         XSetScreenSaver( p_vout->p_sys->p_display, p_vout->p_sys->i_ss_timeout,
1764                          p_vout->p_sys->i_ss_interval,
1765                          p_vout->p_sys->i_ss_blanking,
1766                          p_vout->p_sys->i_ss_exposure );
1767     }
1768
1769     /* Restore DPMS settings */
1770 #ifdef DPMSINFO_IN_DPMS_H
1771     if( DPMSQueryExtension( p_vout->p_sys->p_display, &dummy, &dummy ) )
1772     {
1773         if( p_vout->p_sys->b_ss_dpms )
1774         {
1775             DPMSEnable( p_vout->p_sys->p_display );
1776         }
1777     }
1778 #endif
1779 }
1780
1781 /*****************************************************************************
1782  * DisableXScreenSaver: disable screen saver
1783  *****************************************************************************
1784  * See XEnableXScreenSaver
1785  *****************************************************************************/
1786 static void DisableXScreenSaver( vout_thread_t *p_vout )
1787 {
1788 #ifdef DPMSINFO_IN_DPMS_H
1789     int dummy;
1790 #endif
1791
1792     /* Save screen saver information */
1793     XGetScreenSaver( p_vout->p_sys->p_display, &p_vout->p_sys->i_ss_timeout,
1794                      &p_vout->p_sys->i_ss_interval,
1795                      &p_vout->p_sys->i_ss_blanking,
1796                      &p_vout->p_sys->i_ss_exposure );
1797
1798     /* Disable screen saver */
1799     if( p_vout->p_sys->i_ss_timeout )
1800     {
1801         XSetScreenSaver( p_vout->p_sys->p_display, 0,
1802                          p_vout->p_sys->i_ss_interval,
1803                          p_vout->p_sys->i_ss_blanking,
1804                          p_vout->p_sys->i_ss_exposure );
1805     }
1806
1807     /* Disable DPMS */
1808 #ifdef DPMSINFO_IN_DPMS_H
1809     if( DPMSQueryExtension( p_vout->p_sys->p_display, &dummy, &dummy ) )
1810     {
1811         CARD16 unused;
1812         /* Save DPMS current state */
1813         DPMSInfo( p_vout->p_sys->p_display, &unused,
1814                   &p_vout->p_sys->b_ss_dpms );
1815         DPMSDisable( p_vout->p_sys->p_display );
1816    }
1817 #endif
1818 }
1819
1820 /*****************************************************************************
1821  * CreateCursor: create a blank mouse pointer
1822  *****************************************************************************/
1823 static void CreateCursor( vout_thread_t *p_vout )
1824 {
1825     XColor cursor_color;
1826
1827     p_vout->p_sys->cursor_pixmap =
1828         XCreatePixmap( p_vout->p_sys->p_display,
1829                        DefaultRootWindow( p_vout->p_sys->p_display ),
1830                        1, 1, 1 );
1831
1832     XParseColor( p_vout->p_sys->p_display,
1833                  XCreateColormap( p_vout->p_sys->p_display,
1834                                   DefaultRootWindow(
1835                                                     p_vout->p_sys->p_display ),
1836                                   DefaultVisual(
1837                                                 p_vout->p_sys->p_display,
1838                                                 p_vout->p_sys->i_screen ),
1839                                   AllocNone ),
1840                  "black", &cursor_color );
1841
1842     p_vout->p_sys->blank_cursor =
1843         XCreatePixmapCursor( p_vout->p_sys->p_display,
1844                              p_vout->p_sys->cursor_pixmap,
1845                              p_vout->p_sys->cursor_pixmap,
1846                              &cursor_color, &cursor_color, 1, 1 );
1847 }
1848
1849 /*****************************************************************************
1850  * DestroyCursor: destroy the blank mouse pointer
1851  *****************************************************************************/
1852 static void DestroyCursor( vout_thread_t *p_vout )
1853 {
1854     XFreePixmap( p_vout->p_sys->p_display, p_vout->p_sys->cursor_pixmap );
1855 }
1856
1857 /*****************************************************************************
1858  * ToggleCursor: hide or show the mouse pointer
1859  *****************************************************************************
1860  * This function hides the X pointer if it is visible by setting the pointer
1861  * sprite to a blank one. To show it again, we disable the sprite.
1862  *****************************************************************************/
1863 static void ToggleCursor( vout_thread_t *p_vout )
1864 {
1865     if( p_vout->p_sys->b_mouse_pointer_visible )
1866     {
1867         XDefineCursor( p_vout->p_sys->p_display,
1868                        p_vout->p_sys->window.base_window,
1869                        p_vout->p_sys->blank_cursor );
1870         p_vout->p_sys->b_mouse_pointer_visible = 0;
1871     }
1872     else
1873     {
1874         XUndefineCursor( p_vout->p_sys->p_display,
1875                          p_vout->p_sys->window.base_window );
1876         p_vout->p_sys->b_mouse_pointer_visible = 1;
1877     }
1878 }
1879
1880 #if defined(MODULE_NAME_IS_xvmc)
1881 /*****************************************************************************
1882  * XVideoGetPort: get YUV12 port
1883  *****************************************************************************/
1884 static int XVideoGetPort( vout_thread_t *p_vout,
1885                           vlc_fourcc_t i_chroma, picture_heap_t *p_heap )
1886 {
1887     XvAdaptorInfo *p_adaptor;
1888     unsigned int i;
1889     unsigned int i_adaptor, i_num_adaptors;
1890     int i_requested_adaptor;
1891     int i_selected_port;
1892
1893     switch( XvQueryExtension( p_vout->p_sys->p_display, &i, &i, &i, &i, &i ) )
1894     {
1895         case Success:
1896             break;
1897
1898         case XvBadExtension:
1899             msg_Warn( p_vout, "XvBadExtension" );
1900             return -1;
1901
1902         case XvBadAlloc:
1903             msg_Warn( p_vout, "XvBadAlloc" );
1904             return -1;
1905
1906         default:
1907             msg_Warn( p_vout, "XvQueryExtension failed" );
1908             return -1;
1909     }
1910
1911     switch( XvQueryAdaptors( p_vout->p_sys->p_display,
1912                              DefaultRootWindow( p_vout->p_sys->p_display ),
1913                              &i_num_adaptors, &p_adaptor ) )
1914     {
1915         case Success:
1916             break;
1917
1918         case XvBadExtension:
1919             msg_Warn( p_vout, "XvBadExtension for XvQueryAdaptors" );
1920             return -1;
1921
1922         case XvBadAlloc:
1923             msg_Warn( p_vout, "XvBadAlloc for XvQueryAdaptors" );
1924             return -1;
1925
1926         default:
1927             msg_Warn( p_vout, "XvQueryAdaptors failed" );
1928             return -1;
1929     }
1930
1931     i_selected_port = -1;
1932     i_requested_adaptor = config_GetInt( p_vout, "xvmc-adaptor" );
1933     for( i_adaptor = 0; i_adaptor < i_num_adaptors; ++i_adaptor )
1934     {
1935         XvImageFormatValues *p_formats;
1936         int i_format, i_num_formats;
1937         int i_port;
1938
1939         /* If we requested an adaptor and it's not this one, we aren't
1940          * interested */
1941         if( i_requested_adaptor != -1 && ((int)i_adaptor != i_requested_adaptor) )
1942         {
1943             continue;
1944         }
1945
1946         /* If the adaptor doesn't have the required properties, skip it */
1947         if( !( p_adaptor[ i_adaptor ].type & XvInputMask ) ||
1948             !( p_adaptor[ i_adaptor ].type & XvImageMask ) )
1949         {
1950             continue;
1951         }
1952
1953         /* Check that adaptor supports our requested format... */
1954         p_formats = XvListImageFormats( p_vout->p_sys->p_display,
1955                                         p_adaptor[i_adaptor].base_id,
1956                                         &i_num_formats );
1957
1958         for( i_format = 0;
1959              i_format < i_num_formats && ( i_selected_port == -1 );
1960              i_format++ )
1961         {
1962             XvAttribute     *p_attr;
1963             int             i_attr, i_num_attributes;
1964             Atom            autopaint = None, colorkey = None;
1965
1966             /* If this is not the format we want, or at least a
1967              * similar one, forget it */
1968             if( !vout_ChromaCmp( p_formats[ i_format ].id, i_chroma ) )
1969             {
1970                 continue;
1971             }
1972
1973             /* Look for the first available port supporting this format */
1974             for( i_port = p_adaptor[i_adaptor].base_id;
1975                  ( i_port < (int)(p_adaptor[i_adaptor].base_id
1976                                    + p_adaptor[i_adaptor].num_ports) )
1977                    && ( i_selected_port == -1 );
1978                  i_port++ )
1979             {
1980                 if( XvGrabPort( p_vout->p_sys->p_display, i_port, CurrentTime )
1981                      == Success )
1982                 {
1983                     i_selected_port = i_port;
1984                     p_heap->i_chroma = p_formats[ i_format ].id;
1985 #if XvVersion > 2 || ( XvVersion == 2 && XvRevision >= 2 )
1986                     p_heap->i_rmask = p_formats[ i_format ].red_mask;
1987                     p_heap->i_gmask = p_formats[ i_format ].green_mask;
1988                     p_heap->i_bmask = p_formats[ i_format ].blue_mask;
1989 #endif
1990                 }
1991             }
1992
1993             /* If no free port was found, forget it */
1994             if( i_selected_port == -1 )
1995             {
1996                 continue;
1997             }
1998
1999             /* If we found a port, print information about it */
2000             msg_Dbg( p_vout, "adaptor %i, port %i, format 0x%x (%4.4s) %s",
2001                      i_adaptor, i_selected_port, p_formats[ i_format ].id,
2002                      (char *)&p_formats[ i_format ].id,
2003                      ( p_formats[ i_format ].format == XvPacked ) ?
2004                          "packed" : "planar" );
2005
2006             /* Use XV_AUTOPAINT_COLORKEY if supported, otherwise we will
2007              * manually paint the colour key */
2008             p_attr = XvQueryPortAttributes( p_vout->p_sys->p_display,
2009                                             i_selected_port,
2010                                             &i_num_attributes );
2011
2012             for( i_attr = 0; i_attr < i_num_attributes; i_attr++ )
2013             {
2014                 if( !strcmp( p_attr[i_attr].name, "XV_AUTOPAINT_COLORKEY" ) )
2015                 {
2016                     autopaint = XInternAtom( p_vout->p_sys->p_display,
2017                                              "XV_AUTOPAINT_COLORKEY", False );
2018                     XvSetPortAttribute( p_vout->p_sys->p_display,
2019                                         i_selected_port, autopaint, 1 );
2020                 }
2021                 if( !strcmp( p_attr[i_attr].name, "XV_COLORKEY" ) )
2022                 {
2023                     /* Find out the default colour key */
2024                     colorkey = XInternAtom( p_vout->p_sys->p_display,
2025                                             "XV_COLORKEY", False );
2026                     XvGetPortAttribute( p_vout->p_sys->p_display,
2027                                         i_selected_port, colorkey,
2028                                         &p_vout->p_sys->i_colourkey );
2029                 }
2030             }
2031             p_vout->p_sys->b_paint_colourkey =
2032                 autopaint == None && colorkey != None;
2033
2034             if( p_attr != NULL )
2035             {
2036                 XFree( p_attr );
2037             }
2038         }
2039
2040         if( p_formats != NULL )
2041         {
2042             XFree( p_formats );
2043         }
2044
2045     }
2046
2047     if( i_num_adaptors > 0 )
2048     {
2049         XvFreeAdaptorInfo( p_adaptor );
2050     }
2051
2052     if( i_selected_port == -1 )
2053     {
2054         int i_chroma_tmp = X112VLC_FOURCC( i_chroma );
2055         if( i_requested_adaptor == -1 )
2056         {
2057             msg_Warn( p_vout, "no free XVideo port found for format "
2058                       "0x%.8x (%4.4s)", i_chroma_tmp, (char*)&i_chroma_tmp );
2059         }
2060         else
2061         {
2062             msg_Warn( p_vout, "XVideo adaptor %i does not have a free "
2063                       "XVideo port for format 0x%.8x (%4.4s)",
2064                       i_requested_adaptor, i_chroma_tmp, (char*)&i_chroma_tmp );
2065         }
2066     }
2067
2068     return i_selected_port;
2069 }
2070 #endif
2071
2072 /*****************************************************************************
2073  * InitDisplay: open and initialize X11 device
2074  *****************************************************************************
2075  * Create a window according to video output given size, and set other
2076  * properties according to the display properties.
2077  *****************************************************************************/
2078 static int InitDisplay( vout_thread_t *p_vout )
2079 {
2080 #ifdef HAVE_SYS_SHM_H
2081     p_vout->p_sys->i_shm_opcode = 0;
2082
2083     if( config_GetInt( p_vout, MODULE_STRING "-shm" ) > 0 )
2084     {
2085         int major, evt, err;
2086
2087         if( XQueryExtension( p_vout->p_sys->p_display, "MIT-SHM", &major,
2088                              &evt, &err )
2089          && XShmQueryExtension( p_vout->p_sys->p_display ) )
2090             p_vout->p_sys->i_shm_opcode = major;
2091
2092         if( p_vout->p_sys->i_shm_opcode )
2093         {
2094             int minor;
2095             Bool pixmaps;
2096
2097             XShmQueryVersion( p_vout->p_sys->p_display, &major, &minor,
2098                               &pixmaps );
2099             msg_Dbg( p_vout, "XShm video extension v%d.%d "
2100                      "(with%s pixmaps, opcode: %d)",
2101                      major, minor, pixmaps ? "" : "out",
2102                      p_vout->p_sys->i_shm_opcode );
2103         }
2104         else
2105             msg_Warn( p_vout, "XShm video extension not available" );
2106     }
2107     else
2108         msg_Dbg( p_vout, "XShm video extension disabled" );
2109 #endif
2110
2111     return VLC_SUCCESS;
2112 }
2113
2114 #ifndef MODULE_NAME_IS_glx
2115
2116 #ifdef HAVE_SYS_SHM_H
2117 /*****************************************************************************
2118  * CreateShmImage: create an XImage or XvImage using shared memory extension
2119  *****************************************************************************
2120  * Prepare an XImage or XvImage for display function.
2121  * The order of the operations respects the recommandations of the mit-shm
2122  * document by J.Corbet and K.Packard. Most of the parameters were copied from
2123  * there. See http://ftp.xfree86.org/pub/XFree86/4.0/doc/mit-shm.TXT
2124  *****************************************************************************/
2125 IMAGE_TYPE * CreateShmImage( vout_thread_t *p_vout,
2126                                     Display* p_display, EXTRA_ARGS_SHM,
2127                                     int i_width, int i_height )
2128 {
2129     IMAGE_TYPE *p_image;
2130     Status result;
2131
2132     /* Create XImage / XvImage */
2133 #if defined(MODULE_NAME_IS_xvmc)
2134     p_image = XvShmCreateImage( p_display, i_xvport, i_chroma, 0,
2135                                 i_width, i_height, p_shm );
2136 #endif
2137     if( p_image == NULL )
2138     {
2139         msg_Err( p_vout, "image creation failed" );
2140         return NULL;
2141     }
2142
2143     /* For too big image, the buffer returned is sometimes too small, prevent
2144      * VLC to segfault because of it
2145      * FIXME is it normal ? Is there a way to detect it
2146      * before (XvQueryBestSize did not) ? */
2147     if( p_image->width < i_width || p_image->height < i_height )
2148     {
2149         msg_Err( p_vout, "cannot allocate shared image data with the right size "
2150                          "(%dx%d instead of %dx%d)",
2151                          p_image->width, p_image->height,
2152                          i_width, i_height );
2153         IMAGE_FREE( p_image );
2154         return NULL;
2155     }
2156
2157     /* Allocate shared memory segment. */
2158     p_shm->shmid = shmget( IPC_PRIVATE, DATA_SIZE(p_image), IPC_CREAT | 0600 );
2159     if( p_shm->shmid < 0 )
2160     {
2161         msg_Err( p_vout, "cannot allocate shared image data (%m)" );
2162         IMAGE_FREE( p_image );
2163         return NULL;
2164     }
2165
2166     /* Attach shared memory segment to process (read/write) */
2167     p_shm->shmaddr = p_image->data = shmat( p_shm->shmid, 0, 0 );
2168     if(! p_shm->shmaddr )
2169     {
2170         msg_Err( p_vout, "cannot attach shared memory (%m)" );
2171         IMAGE_FREE( p_image );
2172         shmctl( p_shm->shmid, IPC_RMID, 0 );
2173         return NULL;
2174     }
2175
2176     /* Read-only data. We won't be using XShmGetImage */
2177     p_shm->readOnly = True;
2178
2179     /* Attach shared memory segment to X server */
2180     XSynchronize( p_display, True );
2181     i_shm_major = p_vout->p_sys->i_shm_opcode;
2182     result = XShmAttach( p_display, p_shm );
2183     if( result == False || !i_shm_major )
2184     {
2185         msg_Err( p_vout, "cannot attach shared memory to X server" );
2186         IMAGE_FREE( p_image );
2187         shmctl( p_shm->shmid, IPC_RMID, 0 );
2188         shmdt( p_shm->shmaddr );
2189         return NULL;
2190     }
2191     XSynchronize( p_display, False );
2192
2193     /* Send image to X server. This instruction is required, since having
2194      * built a Shm XImage and not using it causes an error on XCloseDisplay,
2195      * and remember NOT to use XFlush ! */
2196     XSync( p_display, False );
2197
2198 #if 0
2199     /* Mark the shm segment to be removed when there are no more
2200      * attachements, so it is automatic on process exit or after shmdt */
2201     shmctl( p_shm->shmid, IPC_RMID, 0 );
2202 #endif
2203
2204     return p_image;
2205 }
2206 #endif
2207
2208 #endif
2209 /*****************************************************************************
2210  * X11ErrorHandler: replace error handler so we can intercept some of them
2211  *****************************************************************************/
2212 static int X11ErrorHandler( Display * display, XErrorEvent * event )
2213 {
2214     char txt[1024];
2215
2216     XGetErrorText( display, event->error_code, txt, sizeof( txt ) );
2217     fprintf( stderr,
2218              "[????????] x11 video output error: X11 request %u.%u failed "
2219               "with error code %u:\n %s\n",
2220              event->request_code, event->minor_code, event->error_code, txt );
2221
2222     switch( event->request_code )
2223     {
2224     case X_SetInputFocus:
2225         /* Ignore errors on XSetInputFocus()
2226          * (they happen when a window is not yet mapped) */
2227         return 0;
2228     }
2229
2230 #ifdef HAVE_SYS_SHM_H
2231     if( event->request_code == i_shm_major ) /* MIT-SHM */
2232     {
2233         fprintf( stderr,
2234                  "[????????] x11 video output notice:"
2235                  " buggy X11 server claims shared memory\n"
2236                  "[????????] x11 video output notice:"
2237                  " support though it does not work (OpenSSH?)\n" );
2238         return i_shm_major = 0;
2239     }
2240 #endif
2241
2242 #ifndef HAVE_OSSO
2243     XSetErrorHandler(NULL);
2244     return (XSetErrorHandler(X11ErrorHandler))( display, event );
2245 #else
2246     /* Work-around Maemo Xvideo bug */
2247     return 0;
2248 #endif
2249 }
2250
2251 /*****************************************************************************
2252  * Control: control facility for the vout
2253  *****************************************************************************/
2254 static int Control( vout_thread_t *p_vout, int i_query, va_list args )
2255 {
2256     unsigned int i_width, i_height;
2257
2258     switch( i_query )
2259     {
2260         case VOUT_SET_SIZE:
2261             i_width  = va_arg( args, unsigned int );
2262             i_height = va_arg( args, unsigned int );
2263             if( !i_width ) i_width = p_vout->i_window_width;
2264             if( !i_height ) i_height = p_vout->i_window_height;
2265
2266             return vout_window_SetSize( p_vout->p_sys->window.owner_window,
2267                                         i_width, i_height);
2268
2269         case VOUT_SET_STAY_ON_TOP:
2270             return vout_window_SetOnTop( p_vout->p_sys->window.owner_window,
2271                                          va_arg( args, int ) );
2272
2273        default:
2274             return VLC_EGENERIC;
2275     }
2276 }