]> git.sesse.net Git - vlc/blobdiff - plugins/fb/vout_fb.c
* Fixed the BeOS compile typo.
[vlc] / plugins / fb / vout_fb.c
index e1d92e95fd62b490c78a37994044cc9eb2260d34..8111a033a4f9fd92c773f1695a596473c12d0a5a 100644 (file)
@@ -1,9 +1,10 @@
 /*****************************************************************************
- * vout_fb.c: Linux framebuffer video output display method
+ * vout_fb.c: framebuffer video output display method
  *****************************************************************************
- * Copyright (C) 1999, 2000 VideoLAN
+ * Copyright (C) 1998, 1999, 2000, 2001 VideoLAN
+ * $Id: vout_fb.c,v 1.13 2001/05/30 17:03:12 sam Exp $
  *
- * Authors:
+ * Authors: Samuel Hocevar <sam@zoy.org>
  *
  * 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
  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111, USA.
  *****************************************************************************/
 
+#define MODULE_NAME fb
+#include "modules_inner.h"
+
 /*****************************************************************************
  * Preamble
  *****************************************************************************/
 #include "defs.h"
 
 #include <errno.h>                                                 /* ENOMEM */
+#include <signal.h>                                      /* SIGUSR1, SIGUSR2 */
 #include <stdlib.h>                                                /* free() */
 #include <string.h>                                            /* strerror() */
-
 #include <fcntl.h>                                                 /* open() */
 #include <unistd.h>                                               /* close() */
-#include <linux/fb.h>
+
+#include <termios.h>                                       /* struct termios */
 #include <sys/ioctl.h>
 #include <sys/mman.h>                                              /* mmap() */
 
+#include <linux/fb.h>
+#include <linux/vt.h>                                                /* VT_* */
+#include <linux/kd.h>                                                 /* KD* */
+
 #include "config.h"
 #include "common.h"
 #include "threads.h"
 #include "mtime.h"
-#include "plugins.h"
+#include "tests.h"
+#include "modules.h"
 
 #include "video.h"
 #include "video_output.h"
@@ -47,6 +57,8 @@
 #include "intf_msg.h"
 #include "main.h"
 
+#include "modules_export.h"
+
 /*****************************************************************************
  * vout_sys_t: video output framebuffer method descriptor
  *****************************************************************************
 typedef struct vout_sys_s
 {
     /* System informations */
-    int                         i_fb_dev;       /* framebuffer device handle */
-    struct fb_var_screeninfo    var_info;   /* framebuffer mode informations */
+    int                 i_tty_dev;                      /* tty device handle */
+    struct termios      old_termios;
+
+    /* Original configuration informations */
+    struct sigaction            sig_usr1;           /* USR1 previous handler */
+    struct sigaction            sig_usr2;           /* USR2 previous handler */
+    struct vt_mode              vt_mode;                 /* previous VT mode */
+
+    /* Framebuffer information */
+    int                         i_fb_dev;                   /* device handle */
+    struct fb_var_screeninfo    old_info;      /* original mode informations */
+    struct fb_var_screeninfo    var_info;       /* current mode informations */
+    boolean_t                   b_pan;     /* does device supports panning ? */
+    struct fb_cmap              fb_cmap;                /* original colormap */
+    u16                         *fb_palette;             /* original palette */
 
     /* Video memory */
     byte_t *                    p_video;                      /* base adress */
     size_t                      i_page_size;                    /* page size */
 
-    struct fb_cmap              fb_cmap;                /* original colormap */
-    unsigned short              *fb_palette;             /* original palette */
-
 } vout_sys_t;
 
 /*****************************************************************************
- * Local prototypes
+ * Local prototypes.
  *****************************************************************************/
-static int     FBOpenDisplay   ( vout_thread_t *p_vout );
-static void    FBCloseDisplay  ( vout_thread_t *p_vout );
+static int  vout_Probe     ( probedata_t *p_data );
+static int  vout_Create    ( struct vout_thread_s * );
+static int  vout_Init      ( struct vout_thread_s * );
+static void vout_End       ( struct vout_thread_s * );
+static void vout_Destroy   ( struct vout_thread_s * );
+static int  vout_Manage    ( struct vout_thread_s * );
+static void vout_Display   ( struct vout_thread_s * );
+static void vout_SetPalette( p_vout_thread_t p_vout, u16 *red, u16 *green,
+                             u16 *blue, u16 *transp );
+
+static int  FBOpenDisplay  ( struct vout_thread_s * );
+static void FBCloseDisplay ( struct vout_thread_s * );
+static void FBSwitchDisplay( int i_signal );
+static void FBTextMode     ( int i_tty_dev );
+static void FBGfxMode      ( int i_tty_dev );
 
 /*****************************************************************************
- * vout_FBCreate: allocates FB video thread output method
+ * Functions exported as capabilities. They are declared as static so that
+ * we don't pollute the namespace too much.
+ *****************************************************************************/
+void _M( vout_getfunctions )( function_list_t * p_function_list )
+{
+    p_function_list->pf_probe = vout_Probe;
+    p_function_list->functions.vout.pf_create     = vout_Create;
+    p_function_list->functions.vout.pf_init       = vout_Init;
+    p_function_list->functions.vout.pf_end        = vout_End;
+    p_function_list->functions.vout.pf_destroy    = vout_Destroy;
+    p_function_list->functions.vout.pf_manage     = vout_Manage;
+    p_function_list->functions.vout.pf_display    = vout_Display;
+    p_function_list->functions.vout.pf_setpalette = vout_SetPalette;
+}
+
+/*****************************************************************************
+ * vout_Probe: probe the video driver and return a score
+ *****************************************************************************
+ * This function tries to open the framebuffer and returns a score to the
+ * plugin manager so that it can select the best plugin.
+ *****************************************************************************/
+static int vout_Probe( probedata_t *p_data )
+{
+    int i_fd;
+
+    if( TestMethod( VOUT_METHOD_VAR, "fb" ) )
+    {
+        return( 999 );
+    }
+
+    i_fd = open( main_GetPszVariable( VOUT_FB_DEV_VAR,
+                                      VOUT_FB_DEV_DEFAULT ), O_RDWR );
+    if( i_fd == -1 )
+    {
+        return( 0 );
+    }
+    close( i_fd );
+
+    return( 30 );
+}
+
+/*****************************************************************************
+ * vout_Create: allocates FB video thread output method
  *****************************************************************************
  * This function allocates and initializes a FB vout method.
  *****************************************************************************/
-int vout_FBCreate( vout_thread_t *p_vout, char *psz_display,
-                    int i_root_window, void *p_data )
+static int vout_Create( vout_thread_t *p_vout )
 {
-    /* Allocate structure */
+    struct sigaction    sig_tty;                 /* sigaction for tty change */
+    struct vt_mode      vt_mode;                          /* vt current mode */
+    struct termios      new_termios;
+
+    /* Allocate instance and initialize some members */
     p_vout->p_sys = malloc( sizeof( vout_sys_t ) );
     if( p_vout->p_sys == NULL )
     {
-        intf_ErrMsg("error: %s", strerror(ENOMEM) );
+        return( 1 );
+    };
+
+    /* Set tty and fb devices */
+    p_vout->p_sys->i_tty_dev = 0;       /* 0 == /dev/tty0 == current console */
+
+    FBGfxMode( p_vout->p_sys->i_tty_dev );
+
+    /* Set keyboard settings */
+    if (tcgetattr(0, &p_vout->p_sys->old_termios) == -1)
+    {
+        intf_ErrMsg( "intf error: tcgetattr" );
+    }
+
+    if (tcgetattr(0, &new_termios) == -1)
+    {
+        intf_ErrMsg( "intf error: tcgetattr" );
+    }
+
+ /* new_termios.c_lflag &= ~ (ICANON | ISIG);
+    new_termios.c_lflag |= (ECHO | ECHOCTL); */
+    new_termios.c_lflag &= ~ (ICANON);
+    new_termios.c_lflag &= ~(ECHO | ECHOCTL);
+    new_termios.c_iflag = 0;
+    new_termios.c_cc[VMIN] = 1;
+    new_termios.c_cc[VTIME] = 0;
+
+    if (tcsetattr(0, TCSAFLUSH, &new_termios) == -1)
+    {
+        intf_ErrMsg( "intf error: tcsetattr" );
+    }
+
+    ioctl(p_vout->p_sys->i_tty_dev, VT_RELDISP, VT_ACKACQ);
+
+    /* Set-up tty signal handler to be aware of tty changes */
+    memset( &sig_tty, 0, sizeof( sig_tty ) );
+    sig_tty.sa_handler = FBSwitchDisplay;
+    sigemptyset( &sig_tty.sa_mask );
+    if( sigaction( SIGUSR1, &sig_tty, &p_vout->p_sys->sig_usr1 ) ||
+        sigaction( SIGUSR2, &sig_tty, &p_vout->p_sys->sig_usr2 ) )
+    {
+        intf_ErrMsg( "intf error: can't set up signal handler (%s)",
+                     strerror(errno) );
+        tcsetattr(0, 0, &p_vout->p_sys->old_termios);
+        FBTextMode( p_vout->p_sys->i_tty_dev );
+        free( p_vout->p_sys );
+        return( 1 );
+    }
+
+    /* Set-up tty according to new signal handler */
+    if( ioctl(p_vout->p_sys->i_tty_dev, VT_GETMODE, &p_vout->p_sys->vt_mode)
+        == -1 )
+    {
+        intf_ErrMsg( "intf error: cant get terminal mode (%s)",
+                     strerror(errno) );
+        sigaction( SIGUSR1, &p_vout->p_sys->sig_usr1, NULL );
+        sigaction( SIGUSR2, &p_vout->p_sys->sig_usr2, NULL );
+        tcsetattr(0, 0, &p_vout->p_sys->old_termios);
+        FBTextMode( p_vout->p_sys->i_tty_dev );
+        free( p_vout->p_sys );
+        return( 1 );
+    }
+    memcpy( &vt_mode, &p_vout->p_sys->vt_mode, sizeof( vt_mode ) );
+    vt_mode.mode   = VT_PROCESS;
+    vt_mode.waitv  = 0;
+    vt_mode.relsig = SIGUSR1;
+    vt_mode.acqsig = SIGUSR2;
+
+    if( ioctl(p_vout->p_sys->i_tty_dev, VT_SETMODE, &vt_mode) == -1 )
+    {
+        intf_ErrMsg( "intf error: can't set terminal mode (%s)",
+                     strerror(errno) );
+        sigaction( SIGUSR1, &p_vout->p_sys->sig_usr1, NULL );
+        sigaction( SIGUSR2, &p_vout->p_sys->sig_usr2, NULL );
+        tcsetattr(0, 0, &p_vout->p_sys->old_termios);
+        FBTextMode( p_vout->p_sys->i_tty_dev );
+        free( p_vout->p_sys );
         return( 1 );
     }
 
-    /* Open and initialize device */
     if( FBOpenDisplay( p_vout ) )
     {
-        intf_ErrMsg("vout error: can't open display");
+        ioctl(p_vout->p_sys->i_tty_dev, VT_SETMODE, &p_vout->p_sys->vt_mode);
+        sigaction( SIGUSR1, &p_vout->p_sys->sig_usr1, NULL );
+        sigaction( SIGUSR2, &p_vout->p_sys->sig_usr2, NULL );
+        tcsetattr(0, 0, &p_vout->p_sys->old_termios);
+        FBTextMode( p_vout->p_sys->i_tty_dev );
         free( p_vout->p_sys );
         return( 1 );
     }
@@ -102,63 +261,101 @@ int vout_FBCreate( vout_thread_t *p_vout, char *psz_display,
 }
 
 /*****************************************************************************
- * vout_FBInit: initialize framebuffer video thread output method
+ * vout_Init: initialize framebuffer video thread output method
  *****************************************************************************/
-int vout_FBInit( vout_thread_t *p_vout )
+static int vout_Init( vout_thread_t *p_vout )
 {
+    /* Clear the screen */
+    memset( p_vout->p_sys->p_video, 0, p_vout->p_sys->i_page_size * 2 );
+
     return( 0 );
 }
 
 /*****************************************************************************
- * vout_FBEnd: terminate FB video thread output method
+ * vout_End: terminate framebuffer video thread output method
  *****************************************************************************/
-void vout_FBEnd( vout_thread_t *p_vout )
+static void vout_End( vout_thread_t *p_vout )
 {
-    ;
+    /* Clear the screen */
+    memset( p_vout->p_sys->p_video, 0, p_vout->p_sys->i_page_size * 2 );
 }
 
 /*****************************************************************************
- * vout_FBDestroy: destroy FB video thread output method
+ * vout_Destroy: destroy FB video thread output method
  *****************************************************************************
  * Terminate an output method created by vout_CreateOutputMethod
  *****************************************************************************/
-void vout_FBDestroy( vout_thread_t *p_vout )
+static void vout_Destroy( vout_thread_t *p_vout )
 {
     FBCloseDisplay( p_vout );
+
+    /* Reset the terminal */
+    ioctl(p_vout->p_sys->i_tty_dev, VT_SETMODE, &p_vout->p_sys->vt_mode);
+
+    /* Remove signal handlers */
+    sigaction( SIGUSR1, &p_vout->p_sys->sig_usr1, NULL );
+    sigaction( SIGUSR2, &p_vout->p_sys->sig_usr2, NULL );
+
+    /* Reset the keyboard state */
+    tcsetattr( 0, 0, &p_vout->p_sys->old_termios );
+
+    /* Return to text mode */
+    FBTextMode( p_vout->p_sys->i_tty_dev );
+
+    /* Destroy structure */
     free( p_vout->p_sys );
 }
 
 /*****************************************************************************
- * vout_FBManage: handle FB events
+ * vout_Manage: handle FB events
  *****************************************************************************
  * This function should be called regularly by video output thread. It manages
  * console events. It returns a non null value on error.
  *****************************************************************************/
-int vout_FBManage( vout_thread_t *p_vout )
+static int vout_Manage( vout_thread_t *p_vout )
 {
+#if 0
+    u8 buf;
+
+    if ( read(0, &buf, 1) == 1)
+    {
+        switch( buf )
+        {
+        case 'q':
+            p_main->p_intf->b_die = 1;
+            break;
+
+        default:
+            break;
+        }
+    }
+#endif
+
     /*
      * Size change
      */
     if( p_vout->i_changes & VOUT_SIZE_CHANGE )
     {
-        intf_DbgMsg("resizing window");
+        intf_WarnMsg( 3, "vout: reinitializing framebuffer screen" );
         p_vout->i_changes &= ~VOUT_SIZE_CHANGE;
 
         /* Destroy XImages to change their size */
-        vout_FBEnd( p_vout );
+        vout_End( p_vout );
 
         /* Recreate XImages. If SysInit failed, the thread can't go on. */
-        if( vout_FBInit( p_vout ) )
+        if( vout_Init( p_vout ) )
         {
-            intf_ErrMsg("error: can't resize display");
+            intf_ErrMsg("error: cannot reinit framebuffer screen" );
             return( 1 );
         }
 
+        /* Clear screen */
+        memset( p_vout->p_sys->p_video, 0, p_vout->p_sys->i_page_size * 2 );
+
 #if 1
         /* Tell the video output thread that it will need to rebuild YUV
          * tables. This is needed since conversion buffer size may have changed */
         p_vout->i_changes |= VOUT_YUV_CHANGE;
-        intf_Msg("vout: video display resized (%dx%d)", p_vout->i_width, p_vout->i_height);
 #endif
     }
 
@@ -166,56 +363,48 @@ int vout_FBManage( vout_thread_t *p_vout )
 }
 
 /*****************************************************************************
- * vout_FBDisplay: displays previously rendered output
+ * vout_Display: displays previously rendered output
  *****************************************************************************
  * This function send the currently rendered image to FB image, waits until
  * it is displayed and switch the two rendering buffers, preparing next frame.
  *****************************************************************************/
-void vout_FBDisplay( vout_thread_t *p_vout )
+static void vout_Display( vout_thread_t *p_vout )
 {
-    /* swap the two Y offsets */
-    
-#ifdef FB_NOYPAN
-    
-    /* if the fb doesn't supports ypan, we only use one buffer */
-
-#else
-    p_vout->p_sys->var_info.yoffset = p_vout->i_buffer_index ? p_vout->p_sys->var_info.yres : 0;
+    /* swap the two Y offsets if the drivers supports panning */
+    if( p_vout->p_sys->b_pan )
+    {
+        p_vout->p_sys->var_info.yoffset =
+            p_vout->i_buffer_index ? p_vout->p_sys->var_info.yres : 0;
    
-    /* the X offset should be 0, but who knows ...
-     * some other app might have played with the framebuffer */
-    p_vout->p_sys->var_info.xoffset = 0;
+        /* the X offset should be 0, but who knows ...
+         * some other app might have played with the framebuffer */
+        p_vout->p_sys->var_info.xoffset = 0;
 
-    //ioctl( p_vout->p_sys->i_fb_dev, FBIOPUT_VSCREENINFO, &p_vout->p_sys->var_info );
-    ioctl( p_vout->p_sys->i_fb_dev, FBIOPAN_DISPLAY, &p_vout->p_sys->var_info );
-#endif
+        ioctl( p_vout->p_sys->i_fb_dev,
+               FBIOPAN_DISPLAY, &p_vout->p_sys->var_info );
+    }
 }
 
 /*****************************************************************************
- * vout_FBSetPalette: sets an 8 bpp palette
+ * vout_SetPalette: sets an 8 bpp palette
  *****************************************************************************
  * This function sets the palette given as an argument. It does not return
  * anything, but could later send information on which colors it was unable
  * to set.
  *****************************************************************************/
-void vout_FBSetPalette( p_vout_thread_t p_vout,
-                      u16 *red, u16 *green, u16 *blue, u16 *transp )
+static void vout_SetPalette( p_vout_thread_t p_vout,
+                             u16 *red, u16 *green, u16 *blue, u16 *transp )
 {
     struct fb_cmap cmap = { 0, 256, red, green, blue, transp };
+
     ioctl( p_vout->p_sys->i_fb_dev, FBIOPUTCMAP, &cmap );
 }
 
 /* following functions are local */
 
 /*****************************************************************************
- * FBOpenDisplay: open and initialize framebuffer device
- *****************************************************************************
- * XXX?? The framebuffer mode is only provided as a fast and efficient way to
- * display video, providing the card is configured and the mode ok. It is
- * not portable, and is not supposed to work with many cards. Use at your
- * own risk !
+ * FBOpenDisplay: initialize framebuffer
  *****************************************************************************/
-
 static int FBOpenDisplay( vout_thread_t *p_vout )
 {
     char *psz_device;                             /* framebuffer device path */
@@ -233,24 +422,26 @@ static int FBOpenDisplay( vout_thread_t *p_vout )
     /* Get framebuffer device informations */
     if( ioctl( p_vout->p_sys->i_fb_dev, FBIOGET_VSCREENINFO, &p_vout->p_sys->var_info ) )
     {
-        intf_ErrMsg( "vout error: can't get framebuffer informations (%s)", strerror(errno) );
+        intf_ErrMsg("vout error: can't get fb info (%s)", strerror(errno) );
         close( p_vout->p_sys->i_fb_dev );
         return( 1 );
     }
 
-    /* Framebuffer must have some basic properties to be usable */
-    /* XXX?? */
+    if( ioctl( p_vout->p_sys->i_fb_dev, FBIOGET_VSCREENINFO, &p_vout->p_sys->old_info ) )
+    {
+        intf_ErrMsg("vout error: can't get 2nd fb info (%s)", strerror(errno) );
+        close( p_vout->p_sys->i_fb_dev );
+        return( 1 );
+    }
 
     /* Set some attributes */
     p_vout->p_sys->var_info.activate = FB_ACTIVATE_NXTOPEN;
     p_vout->p_sys->var_info.xoffset =  0;
     p_vout->p_sys->var_info.yoffset =  0;
-    intf_ErrMsg( "vout: ypanstep is %i", fix_info.ypanstep );
-    /* XXX?? ask sam p_vout->p_sys->mode_info.sync = FB_SYNC_VERT_HIGH_ACT; */
 
     if( ioctl( p_vout->p_sys->i_fb_dev, FBIOPUT_VSCREENINFO, &p_vout->p_sys->var_info ) )
     {
-        intf_ErrMsg("vout error: can't set framebuffer informations (%s)", strerror(errno) );
+        intf_ErrMsg(" vout error: can't set fb info (%s)", strerror(errno) );
         close( p_vout->p_sys->i_fb_dev );
         return( 1 );
     }
@@ -259,30 +450,45 @@ static int FBOpenDisplay( vout_thread_t *p_vout )
     if( ioctl( p_vout->p_sys->i_fb_dev, FBIOGET_FSCREENINFO, &fix_info ) ||
         ioctl( p_vout->p_sys->i_fb_dev, FBIOGET_VSCREENINFO, &p_vout->p_sys->var_info ) )
     {
-        intf_ErrMsg("vout error: can't get framebuffer informations (%s)", strerror(errno) );
-        /* FIXME: restore fb config ?? */
+        intf_ErrMsg(" vout error: can't get additional fb info (%s)", strerror(errno) );
+
+        /* Restore fb config */
+        ioctl( p_vout->p_sys->i_fb_dev, FBIOPUT_VSCREENINFO, &p_vout->p_sys->var_info );
+
         close( p_vout->p_sys->i_fb_dev );
         return( 1 );
     }
 
     /* FIXME: if the image is full-size, it gets cropped on the left
      * because of the xres / xres_virtual slight difference */
-    intf_Msg( "vout: %ix%i (virtual %ix%i)", p_vout->p_sys->var_info.xres, p_vout->p_sys->var_info.yres, p_vout->p_sys->var_info.xres_virtual, p_vout->p_sys->var_info.yres_virtual );
-    p_vout->i_width =                   p_vout->p_sys->var_info.xres_virtual ? p_vout->p_sys->var_info.xres_virtual : p_vout->p_sys->var_info.xres;
-    p_vout->i_height =                  p_vout->p_sys->var_info.yres;
-    p_vout->i_screen_depth =            p_vout->p_sys->var_info.bits_per_pixel;
+    intf_WarnMsg( 3, "vout: %ix%i (virtual %ix%i)",
+                  p_vout->p_sys->var_info.xres,
+                  p_vout->p_sys->var_info.yres,
+                  p_vout->p_sys->var_info.xres_virtual,
+                  p_vout->p_sys->var_info.yres_virtual );
+
+    p_vout->i_height = p_vout->p_sys->var_info.yres;
+    p_vout->i_width  = p_vout->p_sys->var_info.xres_virtual ?
+                           p_vout->p_sys->var_info.xres_virtual
+                           : p_vout->p_sys->var_info.xres;
+
+    p_vout->i_screen_depth = p_vout->p_sys->var_info.bits_per_pixel;
+
+    p_vout->p_sys->fb_palette = NULL;
+    p_vout->p_sys->b_pan = ( fix_info.ypanstep || fix_info.ywrapstep );
+
     switch( p_vout->i_screen_depth )
     {
     case 8:                                                         /* 8 bpp */
-        p_vout->p_sys->fb_palette = malloc( 8 * 256 * sizeof(unsigned short) );
+        p_vout->p_sys->fb_palette = malloc( 8 * 256 * sizeof( u16 ) );
         p_vout->p_sys->fb_cmap.start = 0;
         p_vout->p_sys->fb_cmap.len = 256;
         p_vout->p_sys->fb_cmap.red = p_vout->p_sys->fb_palette;
-        p_vout->p_sys->fb_cmap.green = p_vout->p_sys->fb_palette + 256 * sizeof(unsigned short);
-        p_vout->p_sys->fb_cmap.blue = p_vout->p_sys->fb_palette + 2 * 256 * sizeof(unsigned short);
-        p_vout->p_sys->fb_cmap.transp = p_vout->p_sys->fb_palette + 3 * 256 * sizeof(unsigned short);
+        p_vout->p_sys->fb_cmap.green = p_vout->p_sys->fb_palette + 256 * sizeof( u16 );
+        p_vout->p_sys->fb_cmap.blue = p_vout->p_sys->fb_palette + 2 * 256 * sizeof( u16 );
+        p_vout->p_sys->fb_cmap.transp = p_vout->p_sys->fb_palette + 3 * 256 * sizeof( u16 );
 
-        /* saves the colormap */
+        /* Save the colormap */
         ioctl( p_vout->p_sys->i_fb_dev, FBIOGETCMAP, &p_vout->p_sys->fb_cmap );
 
         p_vout->i_bytes_per_pixel = 1;
@@ -308,6 +514,11 @@ static int FBOpenDisplay( vout_thread_t *p_vout )
     default:                                     /* unsupported screen depth */
         intf_ErrMsg( "vout error: screen depth %d is not supported",
                      p_vout->i_screen_depth);
+
+        /* Restore fb config */
+        ioctl( p_vout->p_sys->i_fb_dev, FBIOPUT_VSCREENINFO, &p_vout->p_sys->var_info );
+
+        close( p_vout->p_sys->i_fb_dev );
         return( 1 );
         break;
     }
@@ -330,39 +541,47 @@ static int FBOpenDisplay( vout_thread_t *p_vout )
                 p_vout->i_height * p_vout->i_bytes_per_pixel;
 
     /* Map two framebuffers a the very beginning of the fb */
-    p_vout->p_sys->p_video = mmap(0, p_vout->p_sys->i_page_size * 2,
-                          PROT_READ | PROT_WRITE, MAP_SHARED,
-                          p_vout->p_sys->i_fb_dev, 0 );
-    memset( p_vout->p_sys->p_video, 0, p_vout->p_sys->i_page_size * 2 );
-    if( (int)p_vout->p_sys->p_video == -1 ) /* according to man, it is -1. What about NULL ? */
+    p_vout->p_sys->p_video = mmap( 0, p_vout->p_sys->i_page_size * 2,
+                                   PROT_READ | PROT_WRITE, MAP_SHARED,
+                                   p_vout->p_sys->i_fb_dev, 0 );
+
+    if( (int)p_vout->p_sys->p_video == -1 ) /* according to man, it is -1.
+                                               What about NULL ? */
     {
         intf_ErrMsg("vout error: can't map video memory (%s)", strerror(errno) );
         /* FIXME: restore fb config ?? */
+        if( p_vout->i_screen_depth == 8 )
+        {
+            free( p_vout->p_sys->fb_palette );
+        }
+
+        /* Restore fb config */
+        ioctl( p_vout->p_sys->i_fb_dev, FBIOPUT_VSCREENINFO, &p_vout->p_sys->var_info );
+
         close( p_vout->p_sys->i_fb_dev );
         return( 1 );
     }
 
     /* Set and initialize buffers */
-
-    vout_SetBuffers( p_vout, p_vout->p_sys->p_video,
-
-#ifdef FB_NOYPAN /* If the fb doesn't support ypan */
-            p_vout->p_sys->p_video 
-#else
-            p_vout->p_sys->p_video + p_vout->p_sys->i_page_size 
-#endif
-                );
+    if( p_vout->p_sys->b_pan )
+    {
+        p_vout->pf_setbuffers( p_vout, p_vout->p_sys->p_video,
+                                 p_vout->p_sys->p_video
+                                  + p_vout->p_sys->i_page_size );
+    }
+    else
+    {
+        p_vout->pf_setbuffers( p_vout, p_vout->p_sys->p_video,
+                                 p_vout->p_sys->p_video );
+    }
     
-    intf_DbgMsg("framebuffer type=%d, visual=%d, ypanstep=%d, ywrap=%d, accel=%d",
-                fix_info.type, fix_info.visual, fix_info.ypanstep, fix_info.ywrapstep, fix_info.accel );
+    intf_WarnMsg( 3, "framebuffer type=%d, visual=%d, ypanstep=%d, ywrap=%d, accel=%d",
+                  fix_info.type, fix_info.visual, fix_info.ypanstep, fix_info.ywrapstep, fix_info.accel );
     return( 0 );
 }
 
 /*****************************************************************************
- * FBCloseDisplay: close and reset framebuffer device
- *****************************************************************************
- * Returns all resources allocated by FBOpenDisplay and restore the original
- * state of the device.
+ * FBCloseDisplay: terminate FB video thread output method
  *****************************************************************************/
 static void FBCloseDisplay( vout_thread_t *p_vout )
 {
@@ -376,8 +595,72 @@ static void FBCloseDisplay( vout_thread_t *p_vout )
         free( p_vout->p_sys->fb_palette );
     }
 
-    /* Destroy window and close display */
+    /* Restore fb config */
+    ioctl( p_vout->p_sys->i_fb_dev, FBIOPUT_VSCREENINFO, &p_vout->p_sys->var_info );
+
+    /* Close fb */
     close( p_vout->p_sys->i_fb_dev );
 }
 
+/*****************************************************************************
+ * FBSwitchDisplay: VT change signal handler
+ *****************************************************************************
+ * This function activates or deactivates the output of the thread. It is
+ * called by the VT driver, on terminal change.
+ *****************************************************************************/
+static void FBSwitchDisplay(int i_signal)
+{
+#if 0
+    vout_thread_t *p_vout;
+
+    vlc_mutex_lock( &p_vout_bank->lock );
+
+    /* XXX: only test the first video output */
+    if( p_vout_bank->i_count )
+    {
+        p_vout = p_vout_bank->pp_vout[0];
+
+        switch( i_signal )
+        {
+        case SIGUSR1:                                /* vt has been released */
+            p_vout->b_active = 0;
+            ioctl( p_vout->p_sys->i_tty_dev, VT_RELDISP, 1 );
+            break;
+        case SIGUSR2:                                /* vt has been acquired */
+            p_vout->b_active = 1;
+            ioctl( p_vout->p_sys->i_tty_dev, VT_RELDISP, VT_ACTIVATE );
+            /* handle blanking */
+            vlc_mutex_lock( &p_vout->change_lock );
+            p_vout->i_changes |= VOUT_SIZE_CHANGE;
+            vlc_mutex_unlock( &p_vout->change_lock );
+            break;
+        }
+    }
+
+    vlc_mutex_unlock( &p_vout_bank->lock );
+#endif
+}
+
+/*****************************************************************************
+ * FBTextMode and FBGfxMode : switch tty to text/graphic mode
+ *****************************************************************************
+ * These functions toggle the tty mode.
+ *****************************************************************************/
+static void FBTextMode( int i_tty_dev )
+{
+    /* return to text mode */
+    if (-1 == ioctl(i_tty_dev, KDSETMODE, KD_TEXT))
+    {
+        intf_ErrMsg( "intf error: failed ioctl KDSETMODE KD_TEXT" );
+    }
+}
+
+static void FBGfxMode( int i_tty_dev )
+{
+    /* switch to graphic mode */
+    if (-1 == ioctl(i_tty_dev, KDSETMODE, KD_GRAPHICS))
+    {
+        intf_ErrMsg( "intf error: failed ioctl KDSETMODE KD_GRAPHICS" );
+    }
+}