Add an omap framebuffer video output module
authorAntoine Lejeune <phytos@videolan.org>
Sat, 26 Jul 2008 01:11:06 +0000 (03:11 +0200)
committerRémi Denis-Courmont <rdenis@simphalempin.com>
Mon, 24 Nov 2008 16:48:46 +0000 (18:48 +0200)
It is used to speed up video output on N800/N810 devices.

X11 is used to handle events.

Signed-off-by: Rémi Denis-Courmont <rdenis@simphalempin.com>
configure.ac
modules/video_output/Modules.am
modules/video_output/omapfb.c [new file with mode: 0644]

index 8b675a6..ba63700 100644 (file)
@@ -4375,6 +4375,20 @@ AC_ARG_ENABLE(mga,
       VLC_ADD_PLUGIN([mga])
     fi ])
 
+dnl
+dnl  OMAP Framebuffer module
+dnl
+AC_ARG_ENABLE(omapfb,
+  [  --enable-omapfb         OMAP framebuffer support (default disabled)])
+    if test "${enable_omapfb}" = "yes"
+    then
+      AC_CHECK_HEADERS(asm/arch-omap/omapfb.h, [
+        VLC_ADD_PLUGIN([omapfb])
+        AC_CHECK_HEADERS(X11/Xlib.h, [
+          VLC_ADD_LIBS([omapfb],[${X_LIBS} ${X_PRE_LIBS} -lX11]) ])
+      ])
+    fi
+
 dnl
 dnl  SVGAlib module
 dnl
@@ -5564,8 +5578,8 @@ AM_CONDITIONAL(BUILD_MOZILLA,${mozilla})
 dnl Tests for Osso and Xsp
 AC_CHECK_LIB(osso, osso_display_blanking_pause, [
   PKG_CHECK_MODULES(GLIB2, glib-2.0, [
-    VLC_ADD_CPPFLAGS([x11 xvideo xvmc glx],[-DHAVE_OSSO ${DBUS_CFLAGS} ${GLIB2_CFLAGS}])
-    VLC_ADD_LIBS([x11 xvideo xvmc glx],[-losso])
+    VLC_ADD_CPPFLAGS([x11 xvideo xvmc glx omapfb],[-DHAVE_OSSO ${DBUS_CFLAGS} ${GLIB2_CFLAGS}])
+    VLC_ADD_LIBS([x11 xvideo xvmc glx omapfb],[-losso])
  ])
 ])
 AC_CHECK_LIB(Xsp, XSPSetPixelDoubling,[
index e991215..c992f40 100644 (file)
@@ -7,6 +7,7 @@ LIBTOOL=@LIBTOOL@ --tag=CC
 SOURCES_aa = aa.c
 SOURCES_caca = caca.c
 SOURCES_fb = fb.c
+SOURCES_omapfb = omapfb.c
 SOURCES_ggi = ggi.c
 SOURCES_vout_sdl = sdl.c
 SOURCES_svgalib = svgalib.c
diff --git a/modules/video_output/omapfb.c b/modules/video_output/omapfb.c
new file mode 100644 (file)
index 0000000..5732d04
--- /dev/null
@@ -0,0 +1,771 @@
+/*****************************************************************************
+* omapfb.c : omap framebuffer plugin for vlc
+*****************************************************************************
+* Copyright (C) 2008 the VideoLAN team
+* $Id$
+*
+* Authors: Antoine Lejeune <phytos @ videolan.org>
+*          Based on fb.c and work of Siarhei Siamashka on mplayer for Maemo
+*          Needs a recent omapfb.h to compile
+*
+* This program is free software; you can redistribute it and/or modify
+* it under the terms of the GNU General Public License as published by
+* the Free Software Foundation; either version 2 of the License, or
+* (at your option) any later version.
+*
+* This program is distributed in the hope that it will be useful,
+* but WITHOUT ANY WARRANTY; without even the implied warranty of
+* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+* GNU General Public License for more details.
+*
+* You should have received a copy of the GNU General Public License
+* along with this program; if not, write to the Free Software
+* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
+*****************************************************************************/
+
+#ifdef HAVE_CONFIG_H
+# include "config.h"
+#endif
+
+#include <errno.h>                                                 /* ENOMEM */
+#include <fcntl.h>                                                 /* open() */
+#include <unistd.h>                                               /* close() */
+
+#include <sys/ioctl.h>
+#include <sys/mman.h>                                              /* mmap() */
+
+#include <linux/fb.h>
+#include <asm/arch-omap/omapfb.h>
+
+/* Embedded window handling */
+#include <X11/Xlib.h>
+#include <X11/Xutil.h>
+#include <X11/keysym.h>
+
+#ifdef HAVE_OSSO
+#include <libosso.h>
+#endif
+
+#include <vlc_common.h>
+#include <vlc_plugin.h>
+#include <vlc_keys.h>
+#include <vlc_vout.h>
+#include <vlc_playlist.h>
+
+/*****************************************************************************
+* Local prototypes
+*****************************************************************************/
+static int  Create           ( vlc_object_t * );
+static void Destroy          ( vlc_object_t * );
+
+static int  Init             ( vout_thread_t * );
+static void End              ( vout_thread_t * );
+static int  Manage           ( vout_thread_t * );
+static void DisplayVideo     ( vout_thread_t *, picture_t * );
+static int  Control          ( vout_thread_t *, int, va_list );
+
+static void FreePicture      ( vout_thread_t *, picture_t * );
+
+static int  OpenDisplay      ( vout_thread_t * );
+static void CloseDisplay     ( vout_thread_t * );
+static void UpdateScreen     ( vout_thread_t *,
+                               int, int, int, int, int, int, int );
+
+static int  InitWindow       ( vout_thread_t * );
+static void CreateWindow     ( vout_sys_t * );
+static void ToggleFullScreen ( vout_thread_t * );
+
+#ifdef HAVE_OSSO
+static const int i_backlight_on_interval = 300;
+#endif
+
+/*****************************************************************************
+ * Module descriptor
+ *****************************************************************************/
+#define FB_DEV_VAR "omapfbdev"
+
+#define DEVICE_TEXT N_("OMAP Framebuffer device")
+#define DEVICE_LONGTEXT N_( \
+    "OMAP Framebuffer device to use for rendering (usually /dev/fb0).")
+
+#define CHROMA_TEXT N_("Chroma used.")
+#define CHROMA_LONGTEXT N_( \
+    "Force use of a specific chroma for output. Default is Y420 (specific to N770/N8xx hardware)." )
+
+#define OVERLAY_TEXT N_("Embed the overlay")
+#define OVERLAY_LONGTEXT N_( \
+    "Embed the framebuffer overlay into a X11 window" )
+
+vlc_module_begin();
+    set_shortname( "OMAP framebuffer" );
+    set_category( CAT_VIDEO );
+    set_subcategory( SUBCAT_VIDEO_VOUT );
+    add_file( FB_DEV_VAR, "/dev/fb0", NULL, DEVICE_TEXT, DEVICE_LONGTEXT,
+              false );
+    add_string( "omap-chroma", NULL, NULL, CHROMA_TEXT, CHROMA_LONGTEXT,
+                true );
+    add_bool( "omap-embedded", true, NULL, OVERLAY_TEXT, OVERLAY_LONGTEXT,
+                 true );
+    set_description( N_("OMAP framebuffer video output") );
+    set_capability( "video output", 200 );
+    set_callbacks( Create, Destroy );
+vlc_module_end();
+
+/*****************************************************************************
+ * omap_window_t: simple structure with the geometry of a window
+ *****************************************************************************/
+struct omap_window_t
+{
+    uint32_t i_x;
+    uint32_t i_y;
+    uint32_t i_width;
+    uint32_t i_height;
+};
+
+/*****************************************************************************
+* vout_sys_t: video output omap framebuffer method descriptor
+ *****************************************************************************
+ * This structure is part of the video output thread descriptor.
+ * It describes the FB specific properties of an output thread.
+ *****************************************************************************/
+struct vout_sys_t
+{
+    /* Framebuffer information */
+    int                         i_fd;                       /* device handle */
+    struct fb_var_screeninfo    fb_vinfo;        /* current mode information */
+    struct fb_fix_screeninfo    fb_finfo;
+    struct omapfb_caps          caps;
+    bool                        b_tearsync;
+
+    /* Window information */
+    struct omap_window_t output_window;    /* Size of the real output window */
+    struct omap_window_t main_window;  /* Size of the area we got to display */
+    struct omap_window_t embedded_window;     /* Size of the embedded window */
+
+    /* Video information */
+    uint32_t             i_video_width;                       /* video width */
+    uint32_t             i_video_height;                     /* video height */
+    vlc_fourcc_t         i_chroma;
+    int                  i_color_format;                   /* OMAPFB_COLOR_* */
+    bool                 b_embed;
+    bool                 b_video_enabled;        /* Video must be displayed? */
+    picture_t           *p_output_picture;
+
+    /* Video memory */
+    uint8_t    *p_video;                                      /* base adress */
+    uint8_t    *p_center;                                   /* output adress */
+    size_t      i_page_size;                                    /* page size */
+    int         i_bytes_per_pixel;                /* Bytes used by one pixel */
+    int         i_line_len;                   /* Length of one line in bytes */
+
+    /* X11 */
+    Display   *p_display;
+    Window     owner_window;
+    Window     window;
+    mtime_t    i_time_button_last_pressed;         /* To detect double click */
+
+    /* Dummy memory */
+    int        i_null_fd;
+    uint8_t   *p_null;
+
+#ifdef HAVE_OSSO
+    osso_context_t      *p_octx;
+    int                 i_backlight_on_counter;
+#endif
+};
+
+/*****************************************************************************
+ * Create: allocates omapfb video thread output method
+ *****************************************************************************
+ * This function allocates and initializes a FB vout method.
+ *****************************************************************************/
+static int Create( vlc_object_t *p_this )
+{
+    vout_thread_t *p_vout = (vout_thread_t *)p_this;
+    vout_sys_t    *p_sys;
+
+    if( p_vout->fmt_in.i_chroma != VLC_FOURCC('I','4','2','0') &&
+        p_vout->fmt_in.i_chroma != VLC_FOURCC('I','Y','U','V') &&
+        p_vout->fmt_in.i_chroma != VLC_FOURCC('Y','V','1','2') )
+        return VLC_EGENERIC;
+
+    /* Allocate instance and initialize some members */
+    p_vout->p_sys = p_sys = malloc( sizeof( vout_sys_t ) );
+    if( p_vout->p_sys == NULL )
+        return VLC_ENOMEM;
+    memset( p_sys, 0, sizeof(vout_sys_t) );
+
+    p_vout->pf_init = Init;
+    p_vout->pf_end = End;
+    p_vout->pf_manage = Manage;
+    p_vout->pf_render = NULL;
+    p_vout->pf_display = DisplayVideo;
+    p_vout->pf_control = Control;
+
+    p_sys->b_embed = var_CreateGetInteger( p_vout, "omap-embedded" );
+    p_sys->b_video_enabled = true;
+
+    if( OpenDisplay( p_vout ) )
+    {
+        free( p_vout->p_sys );
+        return VLC_EGENERIC;
+    }
+
+    if( InitWindow( p_vout ) )
+    {
+        free( p_vout->p_sys );
+        return VLC_EGENERIC;
+    }
+
+#ifdef HAVE_OSSO
+    p_vout->p_sys->i_backlight_on_counter = i_backlight_on_interval;
+    p_vout->p_sys->p_octx = osso_initialize( "vlc", VERSION, 0, NULL );
+    if ( p_vout->p_sys->p_octx == NULL ) {
+        msg_Err( p_vout, "Could not get osso context" );
+    } else {
+        msg_Dbg( p_vout, "Initialized osso context" );
+    }
+#endif
+
+    return VLC_SUCCESS;
+}
+
+/*****************************************************************************
+ * Destroy: destroy omapfb video thread output method
+ *****************************************************************************
+ * Terminate an output method created by Create
+ *****************************************************************************/
+static void Destroy( vlc_object_t *p_this )
+{
+    vout_thread_t *p_vout = (vout_thread_t *)p_this;
+
+    CloseDisplay( p_vout );
+
+    if( p_vout->p_sys->b_embed )
+    {
+        vout_ReleaseWindow( p_vout, (void *)p_vout->p_sys->owner_window );
+        if( p_vout->b_fullscreen )
+            XDestroyWindow( p_vout->p_sys->p_display, p_vout->p_sys->window );
+        XCloseDisplay( p_vout->p_sys->p_display );
+    }
+
+#ifdef HAVE_OSSO
+    if ( p_vout->p_sys->p_octx != NULL ) {
+        msg_Dbg( p_vout, "Deinitializing osso context" );
+        osso_deinitialize( p_vout->p_sys->p_octx );
+    }
+#endif
+
+    /* Destroy structure */
+    free( p_vout->p_sys );
+}
+
+
+/*****************************************************************************
+ * Init: initialize omap framebuffer video thread output method
+ *****************************************************************************/
+static int Init( vout_thread_t *p_vout )
+{
+    vout_sys_t *p_sys = (vout_sys_t *)p_vout->p_sys;
+
+    // We want to keep the same aspect
+    p_vout->fmt_out.i_aspect = p_vout->output.i_aspect = p_vout->render.i_aspect;
+    // We ask where the video should be displayed in the video area
+    vout_PlacePicture( p_vout, p_sys->main_window.i_width,
+                       p_sys->main_window.i_height,
+                       &p_sys->output_window.i_x,
+                       &p_sys->output_window.i_y,
+                       &p_sys->output_window.i_width,
+                       &p_sys->output_window.i_height );
+    p_sys->output_window.i_x = ( p_sys->output_window.i_x +
+                                 p_sys->main_window.i_x ) & ~1;
+    p_sys->output_window.i_y = ( p_sys->output_window.i_y +
+                                 p_sys->main_window.i_y ) & ~1;
+
+    // Hardware upscaling better than software
+    if( p_vout->fmt_render.i_width <= p_sys->main_window.i_width &&
+        p_vout->fmt_render.i_height <= p_sys->main_window.i_height )
+    {
+        p_sys->i_video_width =
+        p_vout->output.i_width =
+        p_vout->fmt_out.i_width =
+        p_vout->fmt_out.i_visible_width = p_vout->fmt_render.i_width;
+        p_sys->i_video_height =
+        p_vout->output.i_height =
+        p_vout->fmt_out.i_height =
+        p_vout->fmt_out.i_visible_height = p_vout->fmt_render.i_height;
+    }
+    else
+    {
+        p_sys->i_video_width =
+        p_vout->output.i_width =
+        p_vout->fmt_out.i_width =
+        p_vout->fmt_out.i_visible_width = p_sys->output_window.i_width;
+        p_sys->i_video_height =
+        p_vout->output.i_height =
+        p_vout->fmt_out.i_height =
+        p_vout->fmt_out.i_visible_height = p_sys->output_window.i_height;
+    }
+
+    p_vout->output.i_chroma =
+    p_vout->fmt_out.i_chroma = VLC_FOURCC( 'Y','4','2','0' );
+    p_sys->i_color_format = OMAPFB_COLOR_YUV420;
+
+    // place in the framebuffer where we have to write
+    p_sys->p_center = p_sys->p_video + p_sys->output_window.i_x*p_sys->i_bytes_per_pixel
+                      + p_sys->output_window.i_y*p_sys->i_line_len;
+
+    // We get and set a direct render vlc picture
+    I_OUTPUTPICTURES = 0;
+    picture_t *p_pic = NULL;
+    int i_index;
+
+    for( i_index = 0 ; i_index < VOUT_MAX_PICTURES ; i_index++ )
+    {
+        if( p_vout->p_picture[ i_index ].i_status == FREE_PICTURE )
+        {
+            p_pic = p_vout->p_picture + i_index;
+            break;
+        }
+    }
+
+    /* Allocate the picture */
+    if( p_pic == NULL )
+    {
+        return VLC_EGENERIC;
+    }
+
+    p_sys->p_output_picture = p_pic;
+    p_pic->p->p_pixels = p_vout->p_sys->p_center;
+    p_pic->p->i_pixel_pitch = p_vout->p_sys->i_bytes_per_pixel;
+    p_pic->p->i_lines = p_sys->i_video_height;
+    p_pic->p->i_visible_lines = p_sys->i_video_height;
+    p_pic->p->i_pitch = p_sys->i_line_len;
+    p_pic->p->i_visible_pitch = p_sys->i_line_len;
+    p_pic->i_planes = 1;
+    p_pic->i_status = DESTROYED_PICTURE;
+    p_pic->i_type   = DIRECT_PICTURE;
+
+    PP_OUTPUTPICTURE[ I_OUTPUTPICTURES ] = p_pic;
+
+    I_OUTPUTPICTURES++;
+
+    return VLC_SUCCESS;
+}
+
+/*****************************************************************************
+ * End: terminate omap framebuffer video thread output method
+ *****************************************************************************/
+static void End( vout_thread_t *p_vout )
+{
+    /* Clear the screen */
+    UpdateScreen( p_vout, 0, 0,
+                  p_vout->p_sys->fb_vinfo.xres,
+                  p_vout->p_sys->fb_vinfo.yres,
+                  p_vout->p_sys->fb_vinfo.xres,
+                  p_vout->p_sys->fb_vinfo.yres,
+                  OMAPFB_COLOR_RGB565 );
+}
+
+/*****************************************************************************
+ * Control: control facility for the vout
+ *****************************************************************************/
+static int Control( vout_thread_t *p_vout, int i_query, va_list args )
+{
+    switch( i_query )
+    {
+       default:
+            return vout_vaControlDefault( p_vout, i_query, args );
+    }
+}
+
+/*****************************************************************************
+* FreePicture: Destroy the picture and make it free again
+******************************************************************************/
+static void FreePicture( vout_thread_t *p_vout, picture_t *p_pic )
+{
+    p_pic->p->p_pixels = NULL;
+    p_pic->i_status = FREE_PICTURE;
+}
+
+/*****************************************************************************
+ * Manage: handle omapfb events
+ *****************************************************************************
+ * This function should be called regularly by video output thread.
+ *****************************************************************************/
+static int Manage( vout_thread_t *p_vout )
+{
+    XEvent xevent;
+
+    while( XPending( p_vout->p_sys->p_display ) )
+    {
+        XNextEvent( p_vout->p_sys->p_display, &xevent );
+
+        if( xevent.type == ButtonPress &&
+            ((XButtonEvent *)&xevent)->button == Button1 )
+        {
+            /* detect double-clicks */
+            if( ( ((XButtonEvent *)&xevent)->time -
+                    p_vout->p_sys->i_time_button_last_pressed ) < 300 )
+            {
+                p_vout->i_changes |= VOUT_FULLSCREEN_CHANGE;
+            }
+
+            p_vout->p_sys->i_time_button_last_pressed =
+                        ((XButtonEvent *)&xevent)->time;
+        }
+        else if( xevent.type == KeyPress )
+        {
+            KeySym x_key_symbol;
+            vlc_value_t val;
+
+            x_key_symbol = XKeycodeToKeysym( p_vout->p_sys->p_display,
+                                             xevent.xkey.keycode, 0 );
+
+            switch( x_key_symbol )
+            {
+            case XK_Return:
+                val.i_int = ACTIONID_PLAY_PAUSE; break;
+            case XK_Escape:
+                val.i_int = ACTIONID_QUIT; break;
+            case XK_Down:
+                val.i_int = ACTIONID_JUMP_BACKWARD_MEDIUM; break;
+            case XK_Up:
+                val.i_int = ACTIONID_JUMP_FORWARD_MEDIUM; break;
+            case XK_Right:
+                val.i_int = ACTIONID_JUMP_FORWARD_SHORT; break;
+            case XK_Left:
+                val.i_int = ACTIONID_JUMP_BACKWARD_SHORT; break;
+            case XK_F6:
+                val.i_int = ACTIONID_TOGGLE_FULLSCREEN; break;
+            case XK_F7:
+                val.i_int = ACTIONID_VOL_UP; break;
+            case XK_F8:
+                val.i_int = ACTIONID_VOL_DOWN; break;
+            }
+            var_SetInteger( p_vout->p_libvlc, "key-action", val.i_int );
+        }
+        else if( ( xevent.type == VisibilityNotify &&
+                 xevent.xvisibility.state == VisibilityUnobscured ) ||
+                 xevent.type == FocusIn )
+        {
+            p_vout->p_sys->b_video_enabled = true;
+            p_vout->p_sys->p_output_picture->p->p_pixels =
+                p_vout->p_sys->p_center;
+            XSetInputFocus( p_vout->p_sys->p_display, p_vout->p_sys->window,
+                            RevertToParent, CurrentTime );
+        }
+        else if( ( xevent.type == VisibilityNotify &&
+                 xevent.xvisibility.state != VisibilityUnobscured ) ||
+                 xevent.type == FocusOut || xevent.type == UnmapNotify )
+        {
+            UpdateScreen( p_vout, 0, 0,
+                          p_vout->p_sys->fb_vinfo.xres,
+                          p_vout->p_sys->fb_vinfo.yres,
+                          p_vout->p_sys->fb_vinfo.xres,
+                          p_vout->p_sys->fb_vinfo.yres,
+                          OMAPFB_COLOR_RGB565 );
+            p_vout->p_sys->b_video_enabled = false;
+            p_vout->p_sys->p_output_picture->p->p_pixels =
+                p_vout->p_sys->p_null;
+         }
+    }
+
+    if( p_vout->i_changes & VOUT_FULLSCREEN_CHANGE )
+    {
+        /* Update the object variable and trigger callback */
+        var_SetBool( p_vout, "fullscreen", !p_vout->b_fullscreen );
+
+        if( p_vout->p_sys->b_embed )
+            ToggleFullScreen( p_vout );
+        p_vout->i_changes &= ~VOUT_FULLSCREEN_CHANGE;
+    }
+
+    if( p_vout->i_changes & VOUT_SIZE_CHANGE )
+    {
+        FreePicture( p_vout, p_vout->p_sys->p_output_picture );
+        if( Init( p_vout ) )
+        {
+            msg_Err( p_vout, "cannot reinit framebuffer screen" );
+            return VLC_EGENERIC;
+        }
+    }
+
+
+#ifdef HAVE_OSSO
+    if ( p_vout->p_sys->p_octx != NULL ) {
+        if ( p_vout->p_sys->i_backlight_on_counter == i_backlight_on_interval ) {
+            if ( osso_display_blanking_pause( p_vout->p_sys->p_octx ) != OSSO_OK ) {
+                msg_Err( p_vout, "Could not disable backlight blanking" );
+        } else {
+                msg_Dbg( p_vout, "Backlight blanking disabled" );
+            }
+            p_vout->p_sys->i_backlight_on_counter = 0;
+        } else {
+            p_vout->p_sys->i_backlight_on_counter ++;
+        }
+    }
+#endif
+
+    return VLC_SUCCESS;
+}
+
+/*****************************************************************************
+ * DisplayVideo: displays previously rendered output
+ *****************************************************************************
+ * This function update the screen resulting in the display of the last
+ * rendered picture.
+ *****************************************************************************/
+static void DisplayVideo( vout_thread_t *p_vout, picture_t *p_pic )
+{
+    VLC_UNUSED( p_pic );
+
+    if( !p_vout->p_sys->b_video_enabled )
+        return;
+
+    UpdateScreen( p_vout,
+                  p_vout->p_sys->output_window.i_x,
+                  p_vout->p_sys->output_window.i_y,
+                  p_vout->p_sys->i_video_width,
+                  p_vout->p_sys->i_video_height,
+                  p_vout->p_sys->output_window.i_width,
+                  p_vout->p_sys->output_window.i_height,
+                  p_vout->p_sys->i_color_format );
+
+    // Wait for the window to be fully displayed
+    ioctl( p_vout->p_sys->i_fd, OMAPFB_SYNC_GFX);
+}
+
+/*****************************************************************************
+ * OpenDisplay: initialize framebuffer
+ *****************************************************************************/
+static int OpenDisplay( vout_thread_t *p_vout )
+{
+    vout_sys_t *p_sys = (vout_sys_t *) p_vout->p_sys;
+    char *psz_device;                             /* framebuffer device path */
+
+    /* Open framebuffer device */
+    if( !(psz_device = config_GetPsz( p_vout, FB_DEV_VAR )) )
+    {
+        msg_Err( p_vout, "don't know which fb device to open" );
+        return VLC_EGENERIC;
+    }
+
+    p_sys->i_fd = open( psz_device, O_RDWR );
+    if( p_sys->i_fd == -1 )
+    {
+        msg_Err( p_vout, "cannot open %s (%m)", psz_device );
+        free( psz_device );
+        return VLC_EGENERIC;
+    }
+    free( psz_device );
+    psz_device = NULL;
+
+    // Get caps, try older interface if needed
+    if( ioctl( p_sys->i_fd, OMAPFB_GET_CAPS, &p_sys->caps ) != 0 )
+    {
+        if( ioctl( p_sys->i_fd, OMAP_IOR( 42, unsigned long ), &p_sys->caps ) != 0 )
+        {
+            msg_Err( p_vout, "OMAPFB_GET_CAPS ioctl failed" );
+            close( p_sys->i_fd );
+            return VLC_EGENERIC;
+        }
+    }
+
+    if( ( p_sys->caps.ctrl & OMAPFB_CAPS_TEARSYNC ) != 0 )
+        p_sys->b_tearsync = true;
+
+    if( ioctl( p_sys->i_fd, FBIOGET_VSCREENINFO, &p_sys->fb_vinfo ) )
+    {
+        msg_Err( p_vout, "Can't get VSCREENINFO: %s", strerror(errno) );
+        return VLC_EGENERIC;
+    }
+    if( ioctl( p_sys->i_fd, FBIOGET_FSCREENINFO, &p_sys->fb_finfo ) )
+    {
+        msg_Err( p_vout, "Can't get FSCREENINFO: %s", strerror(errno) );
+        return VLC_EGENERIC;
+    }
+
+    p_sys->i_bytes_per_pixel = 2;
+    p_sys->i_page_size = p_sys->fb_finfo.smem_len;
+    p_sys->i_line_len = p_sys->fb_finfo.line_length;
+
+    if( (p_sys->p_video = (uint8_t *)mmap( 0, p_sys->i_page_size, PROT_READ | PROT_WRITE, MAP_SHARED,
+                                            p_sys->i_fd, 0 )) == MAP_FAILED )
+    {
+        msg_Err( p_vout, "Can't mmap: %s\n", strerror(errno) );
+        return VLC_EGENERIC;
+    }
+
+    p_sys->p_display = XOpenDisplay( NULL );
+
+    /* Open /dev/null and map it */
+    p_sys->i_null_fd = open( "/dev/zero", O_RDWR );
+    if( p_sys->i_null_fd == -1 )
+    {
+        msg_Err( p_vout, "cannot open /dev/zero (%m)" );
+        return VLC_EGENERIC;
+    }
+
+    if( (p_sys->p_null = (uint8_t *)mmap( 0, p_sys->i_page_size, PROT_READ | PROT_WRITE,
+                                          MAP_PRIVATE, p_sys->i_null_fd, 0 )) == MAP_FAILED )
+    {
+        msg_Err( p_vout, "Can't mmap 2: %s\n", strerror(errno) );
+        return VLC_EGENERIC;
+    }
+
+    return VLC_SUCCESS;
+}
+
+/*****************************************************************************
+ * CloseDisplay: terminate FB video thread output method
+ *****************************************************************************/
+static void CloseDisplay( vout_thread_t *p_vout )
+{
+    munmap( p_vout->p_sys->p_video, p_vout->p_sys->i_page_size );
+    munmap( p_vout->p_sys->p_null,  p_vout->p_sys->i_page_size );
+
+    close( p_vout->p_sys->i_fd );
+    close( p_vout->p_sys->i_null_fd );
+}
+
+/*****************************************************************************
+ * UpdateScreen: update the screen of the omapfb
+ *****************************************************************************/
+static void UpdateScreen( vout_thread_t *p_vout, int i_x, int i_y,
+                          int i_width, int i_height,
+                          int i_out_width, int i_out_height, int i_format )
+{
+    struct omapfb_update_window update;
+    update.x = i_x;
+    update.y = i_y;
+    update.width = i_width;
+    update.height = i_height;
+    update.out_x = i_x;
+    update.out_y = i_y;
+    update.out_width = i_out_width;
+    update.out_height = i_out_height;
+    update.format = i_format;
+    if( p_vout->p_sys->b_tearsync )
+        update.format |= OMAPFB_FORMAT_FLAG_TEARSYNC;
+    ioctl( p_vout->p_sys->i_fd, OMAPFB_UPDATE_WINDOW, &update );
+}
+
+/*****************************************************************************
+ * InitWindow: get embedded window and init X11
+ *****************************************************************************/
+static int InitWindow( vout_thread_t *p_vout )
+{
+    vout_sys_t *p_sys = (vout_sys_t *)p_vout->p_sys;
+
+    if( p_sys->b_embed )
+    {
+        p_sys->p_display = XOpenDisplay( NULL );
+
+        // Request window from interface
+        p_sys->owner_window =
+            vout_RequestWindow( p_vout,
+                                &p_sys->embedded_window.i_x,
+                                &p_sys->embedded_window.i_y,
+                                &p_sys->embedded_window.i_width,
+                                &p_sys->embedded_window.i_height );
+        p_sys->main_window = p_sys->embedded_window;
+
+        // We have to create a new window to get some events
+        // (ButtonPress for example)
+        CreateWindow( p_sys );
+    }
+    else
+    {
+        // No embedding, fullscreen framebuffer overlay with no events handling
+        p_sys->main_window.i_x = p_sys->main_window.i_y = 0;
+        p_sys->main_window.i_width = p_sys->fb_vinfo.xres;
+        p_sys->main_window.i_height = p_sys->fb_vinfo.yres;
+        p_vout->b_fullscreen = true;
+        var_SetBool( p_vout, "fullscreen", p_vout->b_fullscreen );
+    }
+
+    return VLC_SUCCESS;
+}
+
+static void CreateWindow( vout_sys_t *p_sys )
+{
+    XSetWindowAttributes    xwindow_attributes;
+    xwindow_attributes.backing_store = Always;
+    xwindow_attributes.background_pixel =
+        BlackPixel( p_sys->p_display, DefaultScreen(p_sys->p_display) );
+    xwindow_attributes.event_mask = ExposureMask | StructureNotifyMask;
+    p_sys->window = XCreateWindow( p_sys->p_display,
+                                   p_sys->owner_window,
+                                   0, 0,
+                                   p_sys->main_window.i_width,
+                                   p_sys->main_window.i_height,
+                                   0,
+                                   0, InputOutput, 0,
+                                   CWBackingStore | CWBackPixel | CWEventMask,
+                                   &xwindow_attributes );
+
+    XMapWindow( p_sys->p_display, p_sys->window );
+    XSelectInput( p_sys->p_display, p_sys->window,
+                  KeyPressMask | ButtonPressMask | StructureNotifyMask |
+                  VisibilityChangeMask | FocusChangeMask );
+    XSelectInput( p_sys->p_display, p_sys->owner_window,
+                  StructureNotifyMask );
+    XSetInputFocus( p_sys->p_display, p_sys->window, RevertToParent, CurrentTime );
+}
+
+static void ToggleFullScreen ( vout_thread_t * p_vout )
+{
+    p_vout->b_fullscreen = !p_vout->b_fullscreen;
+
+    if( p_vout->b_fullscreen )
+    {
+        msg_Dbg( p_vout, "Entering fullscreen mode" );
+        XReparentWindow( p_vout->p_sys->p_display,
+                         p_vout->p_sys->window,
+                         DefaultRootWindow( p_vout->p_sys->p_display ),
+                         0, 0 );
+
+        XEvent xev;
+
+        /* init X event structure for _NET_WM_FULLSCREEN client msg */
+        xev.xclient.type = ClientMessage;
+        xev.xclient.serial = 0;
+        xev.xclient.send_event = True;
+        xev.xclient.message_type = XInternAtom( p_vout->p_sys->p_display,
+                                                "_NET_WM_STATE", False );
+        xev.xclient.window = p_vout->p_sys->window;
+        xev.xclient.format = 32;
+        if( p_vout->b_fullscreen )
+            xev.xclient.data.l[0] = 1;
+        else
+            xev.xclient.data.l[0] = 0;
+        xev.xclient.data.l[1] = XInternAtom( p_vout->p_sys->p_display,
+                                            "_NET_WM_STATE_FULLSCREEN", False );
+        xev.xclient.data.l[2] = 0;
+        xev.xclient.data.l[3] = 0;
+        xev.xclient.data.l[4] = 0;
+
+        XSendEvent( p_vout->p_sys->p_display,
+                    DefaultRootWindow( p_vout->p_sys->p_display ), False,
+                    SubstructureRedirectMask | SubstructureNotifyMask, &xev);
+
+        p_vout->p_sys->main_window.i_x = p_vout->p_sys->main_window.i_y = 0;
+        p_vout->p_sys->main_window.i_width = p_vout->p_sys->fb_vinfo.xres;
+        p_vout->p_sys->main_window.i_height = p_vout->p_sys->fb_vinfo.yres;
+    }
+    else
+    {
+        msg_Dbg( p_vout, "Leaving fullscreen mode" );
+
+        XDestroyWindow( p_vout->p_sys->p_display, p_vout->p_sys->window );
+
+        p_vout->p_sys->main_window = p_vout->p_sys->embedded_window;
+        CreateWindow( p_vout->p_sys );
+    }
+
+    XSync( p_vout->p_sys->p_display, False);
+
+    /* signal that the size needs to be updated */
+    p_vout->i_changes |= VOUT_SIZE_CHANGE;
+}