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

   1 /*****************************************************************************
   2 * omapfb.c : omap framebuffer plugin for vlc
   3 *****************************************************************************
   4 * Copyright (C) 2008-2009 the VideoLAN team
   5 * $Id$
   6 *
   7 * Authors: Antoine Lejeune <phytos @ videolan.org>
   8 *          Based on fb.c and work of Siarhei Siamashka on mplayer for Maemo
   9 *          Needs a recent omapfb.h to compile
  10 *
  11 * This program is free software; you can redistribute it and/or modify
  12 * it under the terms of the GNU General Public License as published by
  13 * the Free Software Foundation; either version 2 of the License, or
  14 * (at your option) any later version.
  15 *
  16 * This program is distributed in the hope that it will be useful,
  17 * but WITHOUT ANY WARRANTY; without even the implied warranty of
  18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  19 * GNU General Public License for more details.
  20 *
  21 * You should have received a copy of the GNU General Public License
  22 * along with this program; if not, write to the Free Software
  23 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
  24 *****************************************************************************/
  25
  26 #ifdef HAVE_CONFIG_H
  27 # include "config.h"
  28 #endif
  29
  30 #include <errno.h>                                                 /* ENOMEM */
  31 #include <fcntl.h>                                                 /* open() */
  32 #include <unistd.h>                                               /* close() */
  33
  34 #include <sys/ioctl.h>
  35 #include <sys/mman.h>                                              /* mmap() */
  36
  37 #include <linux/fb.h>
  38 #include <asm/arch-omap/omapfb.h>
  39
  40 /* Embedded window handling */
  41 #include <X11/Xlib.h>
  42 #include <X11/Xutil.h>
  43 #include <X11/keysym.h>
  44
  45 #ifdef HAVE_OSSO
  46 #include <libosso.h>
  47 #endif
  48
  49 #include <vlc_common.h>
  50 #include <vlc_plugin.h>
  51 #include <vlc_keys.h>
  52 #include <vlc_vout.h>
  53 #include <vlc_vout_window.h>
  54 #include <vlc_playlist.h>
  55
  56 /*****************************************************************************
  57 * Local prototypes
  58 *****************************************************************************/
  59 static int  Create           ( vlc_object_t * );
  60 static void Destroy          ( vlc_object_t * );
  61
  62 static int  Init             ( vout_thread_t * );
  63 static void End              ( vout_thread_t * );
  64 static int  Manage           ( vout_thread_t * );
  65 static void DisplayVideo     ( vout_thread_t *, picture_t * );
  66 static int  Control          ( vout_thread_t *, int, va_list );
  67
  68 static void FreePicture      ( vout_thread_t *, picture_t * );
  69
  70 static int  OpenDisplay      ( vout_thread_t * );
  71 static void CloseDisplay     ( vout_thread_t * );
  72 static void UpdateScreen     ( vout_thread_t *,
  73                                int, int, int, int, int, int, int );
  74
  75 static int  InitWindow       ( vout_thread_t * );
  76 static void CreateWindow     ( vout_sys_t * );
  77 static void ToggleFullScreen ( vout_thread_t * );
  78
  79 #ifdef HAVE_OSSO
  80 static const int i_backlight_on_interval = 300;
  81 #endif
  82
  83 /*****************************************************************************
  84  * Module descriptor
  85  *****************************************************************************/
  86 #define FB_DEV_VAR "omapfbdev"
  87
  88 #define DEVICE_TEXT N_("OMAP Framebuffer device")
  89 #define DEVICE_LONGTEXT N_( \
  90     "OMAP Framebuffer device to use for rendering (usually /dev/fb0).")
  91
  92 #define CHROMA_TEXT N_("Chroma used.")
  93 #define CHROMA_LONGTEXT N_( \
  94     "Force use of a specific chroma for output. Default is Y420 (specific to N770/N8xx hardware)." )
  95
  96 #define OVERLAY_TEXT N_("Embed the overlay")
  97 #define OVERLAY_LONGTEXT N_( \
  98     "Embed the framebuffer overlay into a X11 window" )
  99
 100 vlc_module_begin();
 101     set_shortname( "OMAP framebuffer" );
 102     set_category( CAT_VIDEO );
 103     set_subcategory( SUBCAT_VIDEO_VOUT );
 104     add_file( FB_DEV_VAR, "/dev/fb0", NULL, DEVICE_TEXT, DEVICE_LONGTEXT,
 105               false )
 106     add_string( "omap-chroma", NULL, NULL, CHROMA_TEXT, CHROMA_LONGTEXT,
 107                 true )
 108     add_bool( "omap-embedded", true, NULL, OVERLAY_TEXT, OVERLAY_LONGTEXT,
 109                  true )
 110     set_description( N_("OMAP framebuffer video output") );
 111     set_capability( "video output", 200 );
 112     set_callbacks( Create, Destroy );
 113 vlc_module_end();
 114
 115 /*****************************************************************************
 116  * omap_window_t: simple structure with the geometry of a window
 117  *****************************************************************************/
 118 struct omap_window_t
 119 {
 120     uint32_t i_x;
 121     uint32_t i_y;
 122     uint32_t i_width;
 123     uint32_t i_height;
 124 };
 125
 126 /*****************************************************************************
 127 * vout_sys_t: video output omap framebuffer method descriptor
 128  *****************************************************************************
 129  * This structure is part of the video output thread descriptor.
 130  * It describes the FB specific properties of an output thread.
 131  *****************************************************************************/
 132 struct vout_sys_t
 133 {
 134     /* Framebuffer information */
 135     int                         i_fd;                       /* device handle */
 136     struct fb_var_screeninfo    fb_vinfo;        /* current mode information */
 137     struct fb_fix_screeninfo    fb_finfo;
 138     struct omapfb_caps          caps;
 139     bool                        b_tearsync;
 140
 141     /* Window information */
 142     struct omap_window_t output_window;    /* Size of the real output window */
 143     struct omap_window_t main_window;  /* Size of the area we got to display */
 144     struct omap_window_t embedded_window;     /* Size of the embedded window */
 145
 146     /* Video information */
 147     uint32_t             i_video_width;                       /* video width */
 148     uint32_t             i_video_height;                     /* video height */
 149     vlc_fourcc_t         i_chroma;
 150     int                  i_color_format;                   /* OMAPFB_COLOR_* */
 151     bool                 b_video_enabled;        /* Video must be displayed? */
 152     picture_t           *p_output_picture;
 153
 154     /* Video memory */
 155     uint8_t    *p_video;                                      /* base adress */
 156     uint8_t    *p_center;                                   /* output adress */
 157     size_t      i_page_size;                                    /* page size */
 158     int         i_bytes_per_pixel;                /* Bytes used by one pixel */
 159     int         i_line_len;                   /* Length of one line in bytes */
 160
 161     /* X11 */
 162     Display   *p_display;
 163     vout_window_t *owner_window;
 164     Window     window;
 165     mtime_t    i_time_button_last_pressed;         /* To detect double click */
 166
 167     /* Dummy memory */
 168     int        i_null_fd;
 169     uint8_t   *p_null;
 170
 171 #ifdef HAVE_OSSO
 172     osso_context_t      *p_octx;
 173     int                 i_backlight_on_counter;
 174 #endif
 175 };
 176
 177 /*****************************************************************************
 178  * Create: allocates omapfb video thread output method
 179  *****************************************************************************
 180  * This function allocates and initializes a FB vout method.
 181  *****************************************************************************/
 182 static int Create( vlc_object_t *p_this )
 183 {
 184     vout_thread_t *p_vout = (vout_thread_t *)p_this;
 185     vout_sys_t    *p_sys;
 186
 187     if( p_vout->fmt_in.i_chroma != VLC_CODEC_I420 &&
 188         p_vout->fmt_in.i_chroma != VLC_CODEC_YV12 )
 189         return VLC_EGENERIC;
 190
 191     /* Allocate instance and initialize some members */
 192     p_vout->p_sys = p_sys = calloc( 1, sizeof( vout_sys_t ) );
 193     if( p_vout->p_sys == NULL )
 194         return VLC_ENOMEM;
 195
 196     p_vout->pf_init = Init;
 197     p_vout->pf_end = End;
 198     p_vout->pf_manage = Manage;
 199     p_vout->pf_render = NULL;
 200     p_vout->pf_display = DisplayVideo;
 201     p_vout->pf_control = Control;
 202     p_sys->b_video_enabled = true;
 203
 204     if( OpenDisplay( p_vout ) )
 205     {
 206         free( p_vout->p_sys );
 207         return VLC_EGENERIC;
 208     }
 209
 210     if( InitWindow( p_vout ) )
 211     {
 212         free( p_vout->p_sys );
 213         return VLC_EGENERIC;
 214     }
 215
 216 #ifdef HAVE_OSSO
 217     p_vout->p_sys->i_backlight_on_counter = i_backlight_on_interval;
 218     p_vout->p_sys->p_octx = osso_initialize( "vlc", VERSION, 0, NULL );
 219     if ( p_vout->p_sys->p_octx == NULL ) {
 220         msg_Err( p_vout, "Could not get osso context" );
 221     } else {
 222         msg_Dbg( p_vout, "Initialized osso context" );
 223     }
 224 #endif
 225
 226     return VLC_SUCCESS;
 227 }
 228
 229 /*****************************************************************************
 230  * Destroy: destroy omapfb video thread output method
 231  *****************************************************************************
 232  * Terminate an output method created by Create
 233  *****************************************************************************/
 234 static void Destroy( vlc_object_t *p_this )
 235 {
 236     vout_thread_t *p_vout = (vout_thread_t *)p_this;
 237
 238     CloseDisplay( p_vout );
 239
 240     if( p_vout->p_sys->owner_window )
 241     {
 242         vout_window_Delete( p_vout->p_sys->owner_window );
 243         XCloseDisplay( p_vout->p_sys->p_display );
 244     }
 245
 246 #ifdef HAVE_OSSO
 247     if ( p_vout->p_sys->p_octx != NULL ) {
 248         msg_Dbg( p_vout, "Deinitializing osso context" );
 249         osso_deinitialize( p_vout->p_sys->p_octx );
 250     }
 251 #endif
 252
 253     /* Destroy structure */
 254     free( p_vout->p_sys );
 255 }
 256
 257
 258 /*****************************************************************************
 259  * Init: initialize omap framebuffer video thread output method
 260  *****************************************************************************/
 261 static int Init( vout_thread_t *p_vout )
 262 {
 263     vout_sys_t *p_sys = (vout_sys_t *)p_vout->p_sys;
 264
 265     // We want to keep the same aspect
 266     p_vout->fmt_out.i_aspect = p_vout->output.i_aspect = p_vout->render.i_aspect;
 267     // We ask where the video should be displayed in the video area
 268     vout_PlacePicture( p_vout, p_sys->main_window.i_width,
 269                        p_sys->main_window.i_height,
 270                        &p_sys->output_window.i_x,
 271                        &p_sys->output_window.i_y,
 272                        &p_sys->output_window.i_width,
 273                        &p_sys->output_window.i_height );
 274     p_sys->output_window.i_x = ( p_sys->output_window.i_x +
 275                                  p_sys->main_window.i_x ) & ~1;
 276     p_sys->output_window.i_y = ( p_sys->output_window.i_y +
 277                                  p_sys->main_window.i_y ) & ~1;
 278
 279     // Hardware upscaling better than software
 280     if( p_vout->fmt_render.i_width <= p_sys->main_window.i_width &&
 281         p_vout->fmt_render.i_height <= p_sys->main_window.i_height )
 282     {
 283         p_sys->i_video_width =
 284         p_vout->output.i_width =
 285         p_vout->fmt_out.i_width =
 286         p_vout->fmt_out.i_visible_width = p_vout->fmt_render.i_width;
 287         p_sys->i_video_height =
 288         p_vout->output.i_height =
 289         p_vout->fmt_out.i_height =
 290         p_vout->fmt_out.i_visible_height = p_vout->fmt_render.i_height;
 291     }
 292     else
 293     {
 294         p_sys->i_video_width =
 295         p_vout->output.i_width =
 296         p_vout->fmt_out.i_width =
 297         p_vout->fmt_out.i_visible_width = p_sys->output_window.i_width;
 298         p_sys->i_video_height =
 299         p_vout->output.i_height =
 300         p_vout->fmt_out.i_height =
 301         p_vout->fmt_out.i_visible_height = p_sys->output_window.i_height;
 302     }
 303
 304     p_vout->output.i_chroma =
 305     p_vout->fmt_out.i_chroma = VLC_CODEC_I420;
 306     p_sys->i_color_format = OMAPFB_COLOR_YUV420;
 307
 308     // place in the framebuffer where we have to write
 309     p_sys->p_center = p_sys->p_video + p_sys->output_window.i_x*p_sys->i_bytes_per_pixel
 310                       + p_sys->output_window.i_y*p_sys->i_line_len;
 311
 312     // We get and set a direct render vlc picture
 313     I_OUTPUTPICTURES = 0;
 314     picture_t *p_pic = NULL;
 315     int i_index;
 316
 317     for( i_index = 0 ; i_index < VOUT_MAX_PICTURES ; i_index++ )
 318     {
 319         if( p_vout->p_picture[ i_index ].i_status == FREE_PICTURE )
 320         {
 321             p_pic = p_vout->p_picture + i_index;
 322             break;
 323         }
 324     }
 325
 326     /* Allocate the picture */
 327     if( p_pic == NULL )
 328     {
 329         return VLC_EGENERIC;
 330     }
 331
 332     p_sys->p_output_picture = p_pic;
 333     p_pic->p->p_pixels = p_vout->p_sys->p_center;
 334     p_pic->p->i_pixel_pitch = p_vout->p_sys->i_bytes_per_pixel;
 335     p_pic->p->i_lines = p_sys->i_video_height;
 336     p_pic->p->i_visible_lines = p_sys->i_video_height;
 337     p_pic->p->i_pitch = p_sys->i_line_len;
 338     p_pic->p->i_visible_pitch = p_sys->i_line_len;
 339     p_pic->i_planes = 1;
 340     p_pic->i_status = DESTROYED_PICTURE;
 341     p_pic->i_type   = DIRECT_PICTURE;
 342
 343     PP_OUTPUTPICTURE[ I_OUTPUTPICTURES ] = p_pic;
 344
 345     I_OUTPUTPICTURES++;
 346
 347     return VLC_SUCCESS;
 348 }
 349
 350 /*****************************************************************************
 351  * End: terminate omap framebuffer video thread output method
 352  *****************************************************************************/
 353 static void End( vout_thread_t *p_vout )
 354 {
 355     /* Clear the screen */
 356     UpdateScreen( p_vout, 0, 0,
 357                   p_vout->p_sys->fb_vinfo.xres,
 358                   p_vout->p_sys->fb_vinfo.yres,
 359                   p_vout->p_sys->fb_vinfo.xres,
 360                   p_vout->p_sys->fb_vinfo.yres,
 361                   OMAPFB_COLOR_RGB565 );
 362 }
 363
 364 /*****************************************************************************
 365  * Control: control facility for the vout
 366  *****************************************************************************/
 367 static int Control( vout_thread_t *p_vout, int i_query, va_list args )
 368 {
 369     return VLC_EGENERIC;
 370 }
 371
 372 /*****************************************************************************
 373 * FreePicture: Destroy the picture and make it free again
 374 ******************************************************************************/
 375 static void FreePicture( vout_thread_t *p_vout, picture_t *p_pic )
 376 {
 377     p_pic->p->p_pixels = NULL;
 378     p_pic->i_status = FREE_PICTURE;
 379 }
 380
 381 /*****************************************************************************
 382  * Manage: handle omapfb events
 383  *****************************************************************************
 384  * This function should be called regularly by video output thread.
 385  *****************************************************************************/
 386 static int Manage( vout_thread_t *p_vout )
 387 {
 388     XEvent xevent;
 389
 390     while( XPending( p_vout->p_sys->p_display ) )
 391     {
 392         XNextEvent( p_vout->p_sys->p_display, &xevent );
 393
 394         if( xevent.type == ButtonPress &&
 395             ((XButtonEvent *)&xevent)->button == Button1 )
 396         {
 397             /* detect double-clicks */
 398             if( ( ((XButtonEvent *)&xevent)->time -
 399                     p_vout->p_sys->i_time_button_last_pressed ) < 300 )
 400             {
 401                 p_vout->i_changes |= VOUT_FULLSCREEN_CHANGE;
 402             }
 403
 404             p_vout->p_sys->i_time_button_last_pressed =
 405                         ((XButtonEvent *)&xevent)->time;
 406         }
 407         else if( xevent.type == KeyPress )
 408         {
 409             KeySym x_key_symbol;
 410             vlc_value_t val;
 411
 412             x_key_symbol = XKeycodeToKeysym( p_vout->p_sys->p_display,
 413                                              xevent.xkey.keycode, 0 );
 414
 415             switch( x_key_symbol )
 416             {
 417             case XK_Return:
 418                 val.i_int = ACTIONID_PLAY_PAUSE; break;
 419             case XK_Escape:
 420                 val.i_int = ACTIONID_QUIT; break;
 421             case XK_Down:
 422                 val.i_int = ACTIONID_JUMP_BACKWARD_MEDIUM; break;
 423             case XK_Up:
 424                 val.i_int = ACTIONID_JUMP_FORWARD_MEDIUM; break;
 425             case XK_Right:
 426                 val.i_int = ACTIONID_JUMP_FORWARD_SHORT; break;
 427             case XK_Left:
 428                 val.i_int = ACTIONID_JUMP_BACKWARD_SHORT; break;
 429             case XK_F6:
 430                 val.i_int = ACTIONID_TOGGLE_FULLSCREEN; break;
 431             case XK_F7:
 432                 val.i_int = ACTIONID_VOL_UP; break;
 433             case XK_F8:
 434                 val.i_int = ACTIONID_VOL_DOWN; break;
 435             }
 436             var_SetInteger( p_vout->p_libvlc, "key-action", val.i_int );
 437         }
 438         else if( ( xevent.type == VisibilityNotify &&
 439                  xevent.xvisibility.state == VisibilityUnobscured ) ||
 440                  xevent.type == FocusIn )
 441         {
 442             p_vout->p_sys->b_video_enabled = true;
 443             p_vout->p_sys->p_output_picture->p->p_pixels =
 444                 p_vout->p_sys->p_center;
 445             XSetInputFocus( p_vout->p_sys->p_display, p_vout->p_sys->window,
 446                             RevertToParent, CurrentTime );
 447         }
 448         else if( ( xevent.type == VisibilityNotify &&
 449                  xevent.xvisibility.state != VisibilityUnobscured ) ||
 450                  xevent.type == FocusOut || xevent.type == UnmapNotify )
 451         {
 452             UpdateScreen( p_vout, 0, 0,
 453                           p_vout->p_sys->fb_vinfo.xres,
 454                           p_vout->p_sys->fb_vinfo.yres,
 455                           p_vout->p_sys->fb_vinfo.xres,
 456                           p_vout->p_sys->fb_vinfo.yres,
 457                           OMAPFB_COLOR_RGB565 );
 458             p_vout->p_sys->b_video_enabled = false;
 459             p_vout->p_sys->p_output_picture->p->p_pixels =
 460                 p_vout->p_sys->p_null;
 461          }
 462     }
 463
 464     if( p_vout->i_changes & VOUT_FULLSCREEN_CHANGE )
 465     {
 466         /* Update the object variable and trigger callback */
 467         p_vout->b_fullscreen = !p_vout->b_fullscreen;
 468         var_SetBool( p_vout, "fullscreen", p_vout->b_fullscreen );
 469
 470         if( p_vout->p_sys->owner_window )
 471             vout_window_SetFullscreen( p_vout->p_sys->owner_window,
 472                                        p_vout->b_fullscreen );
 473         p_vout->i_changes &= ~VOUT_FULLSCREEN_CHANGE;
 474     }
 475
 476     if( p_vout->i_changes & VOUT_SIZE_CHANGE )
 477     {
 478         FreePicture( p_vout, p_vout->p_sys->p_output_picture );
 479         if( Init( p_vout ) )
 480         {
 481             msg_Err( p_vout, "cannot reinit framebuffer screen" );
 482             return VLC_EGENERIC;
 483         }
 484     }
 485
 486
 487 #ifdef HAVE_OSSO
 488     if ( p_vout->p_sys->p_octx != NULL ) {
 489         if ( p_vout->p_sys->i_backlight_on_counter == i_backlight_on_interval ) {
 490             if ( osso_display_blanking_pause( p_vout->p_sys->p_octx ) != OSSO_OK ) {
 491                 msg_Err( p_vout, "Could not disable backlight blanking" );
 492         } else {
 493                 msg_Dbg( p_vout, "Backlight blanking disabled" );
 494             }
 495             p_vout->p_sys->i_backlight_on_counter = 0;
 496         } else {
 497             p_vout->p_sys->i_backlight_on_counter ++;
 498         }
 499     }
 500 #endif
 501
 502     return VLC_SUCCESS;
 503 }
 504
 505 /*****************************************************************************
 506  * DisplayVideo: displays previously rendered output
 507  *****************************************************************************
 508  * This function update the screen resulting in the display of the last
 509  * rendered picture.
 510  *****************************************************************************/
 511 static void DisplayVideo( vout_thread_t *p_vout, picture_t *p_pic )
 512 {
 513     VLC_UNUSED( p_pic );
 514
 515     if( !p_vout->p_sys->b_video_enabled )
 516         return;
 517
 518     UpdateScreen( p_vout,
 519                   p_vout->p_sys->output_window.i_x,
 520                   p_vout->p_sys->output_window.i_y,
 521                   p_vout->p_sys->i_video_width,
 522                   p_vout->p_sys->i_video_height,
 523                   p_vout->p_sys->output_window.i_width,
 524                   p_vout->p_sys->output_window.i_height,
 525                   p_vout->p_sys->i_color_format );
 526
 527     // Wait for the window to be fully displayed
 528     ioctl( p_vout->p_sys->i_fd, OMAPFB_SYNC_GFX);
 529 }
 530
 531 /*****************************************************************************
 532  * OpenDisplay: initialize framebuffer
 533  *****************************************************************************/
 534 static int OpenDisplay( vout_thread_t *p_vout )
 535 {
 536     vout_sys_t *p_sys = (vout_sys_t *) p_vout->p_sys;
 537     char *psz_device;                             /* framebuffer device path */
 538
 539     /* Open framebuffer device */
 540     if( !(psz_device = var_CreateGetNonEmptyString( p_vout, FB_DEV_VAR )) )
 541     {
 542         msg_Err( p_vout, "don't know which fb device to open" );
 543         return VLC_EGENERIC;
 544     }
 545
 546     p_sys->i_fd = open( psz_device, O_RDWR );
 547     if( p_sys->i_fd == -1 )
 548     {
 549         msg_Err( p_vout, "cannot open %s (%m)", psz_device );
 550         free( psz_device );
 551         return VLC_EGENERIC;
 552     }
 553     free( psz_device );
 554
 555     // Get caps, try older interface if needed
 556     if( ioctl( p_sys->i_fd, OMAPFB_GET_CAPS, &p_sys->caps ) != 0 )
 557     {
 558         if( ioctl( p_sys->i_fd, OMAP_IOR( 42, unsigned long ), &p_sys->caps ) != 0 )
 559         {
 560             msg_Err( p_vout, "OMAPFB_GET_CAPS ioctl failed" );
 561             close( p_sys->i_fd );
 562             return VLC_EGENERIC;
 563         }
 564     }
 565
 566     if( ( p_sys->caps.ctrl & OMAPFB_CAPS_TEARSYNC ) != 0 )
 567         p_sys->b_tearsync = true;
 568
 569     if( ioctl( p_sys->i_fd, FBIOGET_VSCREENINFO, &p_sys->fb_vinfo ) )
 570     {
 571         msg_Err( p_vout, "Can't get VSCREENINFO: %s", strerror(errno) );
 572         close( p_sys->i_fd );
 573         return VLC_EGENERIC;
 574     }
 575     if( ioctl( p_sys->i_fd, FBIOGET_FSCREENINFO, &p_sys->fb_finfo ) )
 576     {
 577         msg_Err( p_vout, "Can't get FSCREENINFO: %s", strerror(errno) );
 578         close( p_sys->i_fd );
 579         return VLC_EGENERIC;
 580     }
 581
 582     p_sys->i_bytes_per_pixel = 2;
 583     p_sys->i_page_size = p_sys->fb_finfo.smem_len;
 584     p_sys->i_line_len = p_sys->fb_finfo.line_length;
 585
 586     if( (p_sys->p_video = (uint8_t *)mmap( 0, p_sys->i_page_size, PROT_READ | PROT_WRITE, MAP_SHARED,
 587                                             p_sys->i_fd, 0 )) == MAP_FAILED )
 588     {
 589         msg_Err( p_vout, "Can't mmap: %s", strerror(errno) );
 590         close( p_sys->i_fd );
 591         return VLC_EGENERIC;
 592     }
 593
 594     p_sys->p_display = XOpenDisplay( NULL );
 595
 596     /* Open /dev/null and map it */
 597     p_sys->i_null_fd = open( "/dev/zero", O_RDWR );
 598     if( p_sys->i_null_fd == -1 )
 599     {
 600         msg_Err( p_vout, "cannot open /dev/zero (%m)" );
 601         munmap( p_sys->p_video, p_sys->i_page_size );
 602         close( p_sys->i_fd );
 603         return VLC_EGENERIC;
 604     }
 605
 606     if( (p_sys->p_null = (uint8_t *)mmap( 0, p_sys->i_page_size, PROT_READ | PROT_WRITE,
 607                                           MAP_PRIVATE, p_sys->i_null_fd, 0 )) == MAP_FAILED )
 608     {
 609         msg_Err( p_vout, "Can't mmap 2: %s", strerror(errno) );
 610         munmap( p_sys->p_video, p_sys->i_page_size );
 611         close( p_sys->i_null_fd );
 612         close( p_sys->i_fd );
 613         return VLC_EGENERIC;
 614     }
 615
 616     return VLC_SUCCESS;
 617 }
 618
 619 /*****************************************************************************
 620  * CloseDisplay: terminate FB video thread output method
 621  *****************************************************************************/
 622 static void CloseDisplay( vout_thread_t *p_vout )
 623 {
 624     munmap( p_vout->p_sys->p_video, p_vout->p_sys->i_page_size );
 625     munmap( p_vout->p_sys->p_null,  p_vout->p_sys->i_page_size );
 626
 627     close( p_vout->p_sys->i_fd );
 628     close( p_vout->p_sys->i_null_fd );
 629 }
 630
 631 /*****************************************************************************
 632  * UpdateScreen: update the screen of the omapfb
 633  *****************************************************************************/
 634 static void UpdateScreen( vout_thread_t *p_vout, int i_x, int i_y,
 635                           int i_width, int i_height,
 636                           int i_out_width, int i_out_height, int i_format )
 637 {
 638     struct omapfb_update_window update;
 639     update.x = i_x;
 640     update.y = i_y;
 641     update.width = i_width;
 642     update.height = i_height;
 643     update.out_x = i_x;
 644     update.out_y = i_y;
 645     update.out_width = i_out_width;
 646     update.out_height = i_out_height;
 647     update.format = i_format;
 648     if( p_vout->p_sys->b_tearsync )
 649         update.format |= OMAPFB_FORMAT_FLAG_TEARSYNC;
 650     ioctl( p_vout->p_sys->i_fd, OMAPFB_UPDATE_WINDOW, &update );
 651 }
 652
 653 /*****************************************************************************
 654  * InitWindow: get embedded window and init X11
 655  *****************************************************************************/
 656 static int InitWindow( vout_thread_t *p_vout )
 657 {
 658     vout_sys_t *p_sys = (vout_sys_t *)p_vout->p_sys;
 659
 660     if( var_CreateGetBool( p_vout, "omap-embedded" ) )
 661     {
 662         p_sys->p_display = XOpenDisplay( NULL );
 663
 664         // Request window from interface
 665         vout_window_cfg_t wnd_cfg;
 666
 667         memset( &wnd_cfg, 0, sizeof(wnd_cfg) );
 668         wnd_cfg.type   = VOUT_WINDOW_TYPE_XID;
 669         wnd_cfg.x      = p_sys->embedded_window.i_x;
 670         wnd_cfg.y      = p_sys->embedded_window.i_y;
 671         wnd_cfg.width  = p_sys->embedded_window.i_width;
 672         wnd_cfg.height = p_sys->embedded_window.i_height;
 673
 674         p_sys->owner_window = vout_window_New( VLC_OBJECT(p_vout), NULL, &wnd_cfg );
 675         p_sys->main_window = p_sys->embedded_window;
 676
 677         // We have to create a new window to get some events
 678         // (ButtonPress for example)
 679         CreateWindow( p_sys );
 680     }
 681     else
 682     {
 683         // No embedding, fullscreen framebuffer overlay with no events handling
 684         p_sys->main_window.i_x = p_sys->main_window.i_y = 0;
 685         p_sys->main_window.i_width = p_sys->fb_vinfo.xres;
 686         p_sys->main_window.i_height = p_sys->fb_vinfo.yres;
 687         p_vout->b_fullscreen = true;
 688         var_SetBool( p_vout, "fullscreen", p_vout->b_fullscreen );
 689     }
 690
 691     return VLC_SUCCESS;
 692 }
 693
 694 static void CreateWindow( vout_sys_t *p_sys )
 695 {
 696     XSetWindowAttributes    xwindow_attributes;
 697     xwindow_attributes.backing_store = Always;
 698     xwindow_attributes.background_pixel =
 699         BlackPixel( p_sys->p_display, DefaultScreen(p_sys->p_display) );
 700     xwindow_attributes.event_mask = ExposureMask | StructureNotifyMask;
 701     p_sys->window = XCreateWindow( p_sys->p_display,
 702                                    p_sys->owner_window->handle.xid,
 703                                    0, 0,
 704                                    p_sys->main_window.i_width,
 705                                    p_sys->main_window.i_height,
 706                                    0,
 707                                    0, InputOutput, 0,
 708                                    CWBackingStore | CWBackPixel | CWEventMask,
 709                                    &xwindow_attributes );
 710
 711     XMapWindow( p_sys->p_display, p_sys->window );
 712     XSelectInput( p_sys->p_display, p_sys->window,
 713                   KeyPressMask | ButtonPressMask | StructureNotifyMask |
 714                   VisibilityChangeMask | FocusChangeMask );
 715     XSelectInput( p_sys->p_display, p_sys->owner_window->handle.xid,
 716                   StructureNotifyMask );
 717     XSetInputFocus( p_sys->p_display, p_sys->window, RevertToParent, CurrentTime );
 718 }
 719