]> git.sesse.net Git - vlc/blobdiff - src/video_output/video_output.c
* Spelling fixes.
[vlc] / src / video_output / video_output.c
index 6b36c9af019cd7a4faaa106d97db862087958e13..c759bd60bb2f4e481893fefb09a4cd723cbc6166 100644 (file)
@@ -4,8 +4,8 @@
  * It includes functions allowing to open a new thread, send pictures to a
  * thread, and destroy a previously oppened video output thread.
  *****************************************************************************
- * Copyright (C) 2000-2001 VideoLAN
- * $Id: video_output.c,v 1.208 2003/01/28 12:30:44 gbazin Exp $
+ * Copyright (C) 2000-2004 VideoLAN
+ * $Id$
  *
  * Authors: Vincent Seguin <seguin@via.ecp.fr>
  *
@@ -35,8 +35,9 @@
 #   include <sys/times.h>
 #endif
 
-#include "video.h"
+#include "vlc_video.h"
 #include "video_output.h"
+#include <vlc/input.h>                 /* for input_thread_t and i_pts_delay */
 
 #if defined( SYS_DARWIN )
 #include "darwin_specific.h"
@@ -56,6 +57,26 @@ static int      BinaryLog         ( uint32_t );
 static void     MaskToShift       ( int *, int *, uint32_t );
 static void     InitWindowSize    ( vout_thread_t *, int *, int * );
 
+/* Object variables callbacks */
+static int DeinterlaceCallback( vlc_object_t *, char const *,
+                                vlc_value_t, vlc_value_t, void * );
+static int FilterCallback( vlc_object_t *, char const *,
+                           vlc_value_t, vlc_value_t, void * );
+
+/**
+ * vout_AspectRatio
+ *
+ * Set the i_aspect_x and i_aspect_y from i_aspect.
+ */
+void vout_AspectRatio( unsigned int i_aspect,
+                       /*out*/ unsigned int *i_aspect_x,
+                       /*out*/ unsigned int *i_aspect_y )
+{
+  unsigned int i_pgcd = ReduceHeight( i_aspect );
+  *i_aspect_x = i_aspect / i_pgcd;
+  *i_aspect_y = VOUT_ASPECT_FACTOR / i_pgcd;
+}
+
 /*****************************************************************************
  * vout_Request: find a video output thread, create one, or destroy one.
  *****************************************************************************
@@ -68,25 +89,29 @@ vout_thread_t * __vout_Request ( vlc_object_t *p_this, vout_thread_t *p_vout,
 {
     if( !i_width || !i_height || !i_chroma )
     {
-        /* Reattach video output to p_vlc before bailing out */
+        /* Reattach video output to input before bailing out */
         if( p_vout )
         {
-            char *psz_sout = config_GetPsz( p_this, "sout" );
+            vlc_object_t *p_playlist;
 
-            if( !psz_sout || !*psz_sout )
+            p_playlist = vlc_object_find( p_this, VLC_OBJECT_PLAYLIST,
+                                          FIND_ANYWHERE );
+
+            if( p_playlist )
             {
+                vout_AttachSPU( p_vout, VLC_FALSE );
                 vlc_object_detach( p_vout );
-                vlc_object_attach( p_vout, p_this->p_vlc );
+                vlc_object_attach( p_vout, p_playlist );
+
+                vlc_object_release( p_playlist );
             }
             else
             {
+                msg_Dbg( p_this, "cannot find playlist, destroying vout" );
                 vlc_object_detach( p_vout );
-                vlc_object_release( p_vout );
                 vout_Destroy( p_vout );
             }
-            if( psz_sout ) free( psz_sout );
         }
-
         return NULL;
     }
 
@@ -101,7 +126,22 @@ vout_thread_t * __vout_Request ( vlc_object_t *p_this, vout_thread_t *p_vout,
 
         if( !p_vout )
         {
-            p_vout = vlc_object_find( p_this, VLC_OBJECT_VOUT, FIND_ANYWHERE );
+            vlc_object_t *p_playlist;
+
+            p_playlist = vlc_object_find( p_this,
+                                          VLC_OBJECT_PLAYLIST, FIND_ANYWHERE );
+            if( p_playlist )
+            {
+                p_vout = vlc_object_find( p_playlist,
+                                          VLC_OBJECT_VOUT, FIND_CHILD );
+                /* only first children of p_input for unused vout */
+                if( p_vout && p_vout->p_parent != p_playlist )
+                {
+                    vlc_object_release( p_vout );
+                    p_vout = NULL;
+                }
+                vlc_object_release( p_playlist );
+            }
         }
     }
 
@@ -134,12 +174,14 @@ vout_thread_t * __vout_Request ( vlc_object_t *p_this, vout_thread_t *p_vout,
                 p_vout->b_filter_change = VLC_FALSE;
             }
 
+            if( psz_filter_chain ) free( psz_filter_chain );
         }
 
         if( ( p_vout->render.i_width != i_width ) ||
             ( p_vout->render.i_height != i_height ) ||
             ( p_vout->render.i_chroma != i_chroma ) ||
-            ( p_vout->render.i_aspect != i_aspect ) ||
+            ( p_vout->render.i_aspect != i_aspect
+                    && !p_vout->b_override_aspect ) ||
             p_vout->b_filter_change )
         {
             /* We are not interested in this format, close this vout */
@@ -153,10 +195,9 @@ vout_thread_t * __vout_Request ( vlc_object_t *p_this, vout_thread_t *p_vout,
             /* This video output is cool! Hijack it. */
             vlc_object_detach( p_vout );
             vlc_object_attach( p_vout, p_this );
+            vout_AttachSPU( p_vout, VLC_TRUE );
             vlc_object_release( p_vout );
         }
-
-        if( psz_filter_chain ) free( psz_filter_chain );
     }
 
     if( !p_vout )
@@ -179,10 +220,11 @@ vout_thread_t * __vout_Create( vlc_object_t *p_parent,
                                unsigned int i_width, unsigned int i_height,
                                vlc_fourcc_t i_chroma, unsigned int i_aspect )
 {
-    vout_thread_t * p_vout;                             /* thread descriptor */
-    int             i_index;                                /* loop variable */
-    char          * psz_plugin;
-    vlc_value_t     val;
+    vout_thread_t  * p_vout;                            /* thread descriptor */
+    input_thread_t * p_input_thread;
+    int              i_index;                               /* loop variable */
+    char           * psz_plugin;
+    vlc_value_t      val, text;
 
     /* Allocate descriptor */
     p_vout = vlc_object_create( p_parent, VLC_OBJECT_VOUT );
@@ -192,50 +234,130 @@ vout_thread_t * __vout_Create( vlc_object_t *p_parent,
         return NULL;
     }
 
-    var_Create( p_vout, "intf-change", VLC_VAR_BOOL );
-    val.b_bool = VLC_TRUE;
-    var_Set( p_vout, "intf-change", val );
+    /* Initialize pictures - translation tables and functions
+     * will be initialized later in InitThread */
+    for( i_index = 0; i_index < 2 * VOUT_MAX_PICTURES + 1; i_index++)
+    {
+        p_vout->p_picture[i_index].pf_lock = NULL;
+        p_vout->p_picture[i_index].pf_unlock = NULL;
+        p_vout->p_picture[i_index].i_status = FREE_PICTURE;
+        p_vout->p_picture[i_index].i_type   = EMPTY_PICTURE;
+        p_vout->p_picture[i_index].b_slow   = 0;
+    }
+
+    /* No images in the heap */
+    p_vout->i_heap_size = 0;
+
+    /* Register the default subpicture channel */
+    p_vout->p_default_channel = NULL;
+    p_vout->i_channel_count = 1;
+
+    /* Initialize the rendering heap */
+    I_RENDERPICTURES = 0;
+    p_vout->render.i_width    = i_width;
+    p_vout->render.i_height   = i_height;
+    p_vout->render.i_chroma   = i_chroma;
+    p_vout->render.i_aspect   = i_aspect;
+
+    p_vout->render.i_rmask    = 0;
+    p_vout->render.i_gmask    = 0;
+    p_vout->render.i_bmask    = 0;
+
+    p_vout->render.i_last_used_pic = -1;
+    p_vout->render.b_allow_modify_pics = 1;
+
+    /* Zero the output heap */
+    I_OUTPUTPICTURES = 0;
+    p_vout->output.i_width    = 0;
+    p_vout->output.i_height   = 0;
+    p_vout->output.i_chroma   = 0;
+    p_vout->output.i_aspect   = 0;
+
+    p_vout->output.i_rmask    = 0;
+    p_vout->output.i_gmask    = 0;
+    p_vout->output.i_bmask    = 0;
+
+    /* Initialize misc stuff */
+    p_vout->i_changes    = 0;
+    p_vout->f_gamma      = 0;
+    p_vout->b_grayscale  = 0;
+    p_vout->b_info       = 0;
+    p_vout->b_interface  = 0;
+    p_vout->b_scale      = 1;
+    p_vout->b_fullscreen = 0;
+    p_vout->i_alignment  = 0;
+    p_vout->render_time  = 10;
+    p_vout->c_fps_samples = 0;
+    p_vout->b_filter_change = 0;
+    p_vout->pf_control = 0;
+    p_vout->p_parent_intf = 0;
+
+    /* Initialize locks */
+    vlc_mutex_init( p_vout, &p_vout->picture_lock );
+    vlc_mutex_init( p_vout, &p_vout->subpicture_lock );
+    vlc_mutex_init( p_vout, &p_vout->change_lock );
+
+    /* Mouse coordinates */
+    var_Create( p_vout, "mouse-x", VLC_VAR_INTEGER );
+    var_Create( p_vout, "mouse-y", VLC_VAR_INTEGER );
+    var_Create( p_vout, "mouse-button-down", VLC_VAR_INTEGER );
+    var_Create( p_vout, "mouse-moved", VLC_VAR_BOOL );
+    var_Create( p_vout, "mouse-clicked", VLC_VAR_INTEGER );
+
+    /* Attach the new object now so we can use var inheritance below */
+    vlc_object_attach( p_vout, p_parent );
+
+    /* Take care of some "interface/control" related initialisations */
+    vout_IntfInit( p_vout );
+
+    p_vout->b_override_aspect = VLC_FALSE;
 
     /* If the parent is not a VOUT object, that means we are at the start of
      * the video output pipe */
     if( p_parent->i_object_type != VLC_OBJECT_VOUT )
     {
-        char *psz_aspect = config_GetPsz( p_parent, "aspect-ratio" );
+        var_Get( p_vout, "aspect-ratio", &val );
 
         /* Check whether the user tried to override aspect ratio */
-        if( psz_aspect )
+        if( val.psz_string )
         {
             unsigned int i_new_aspect = i_aspect;
-            char *psz_parser = strchr( psz_aspect, ':' );
+            char *psz_parser = strchr( val.psz_string, ':' );
 
             if( psz_parser )
             {
                 *psz_parser++ = '\0';
-                i_new_aspect = atoi( psz_aspect ) * VOUT_ASPECT_FACTOR
-                                                  / atoi( psz_parser );
+                i_new_aspect = atoi( val.psz_string ) * VOUT_ASPECT_FACTOR
+                                                      / atoi( psz_parser );
             }
             else
             {
                 i_new_aspect = i_width * VOUT_ASPECT_FACTOR
-                                       * atof( psz_aspect )
+                                       * atof( val.psz_string )
                                        / i_height;
             }
 
-            free( psz_aspect );
+            free( val.psz_string );
 
             if( i_new_aspect && i_new_aspect != i_aspect )
             {
-                int i_pgcd = ReduceHeight( i_new_aspect );
+                unsigned int i_aspect_x, i_aspect_y;
+
+                vout_AspectRatio( i_new_aspect, &i_aspect_x, &i_aspect_y );
 
                 msg_Dbg( p_vout, "overriding source aspect ratio to %i:%i",
-                         i_new_aspect / i_pgcd, VOUT_ASPECT_FACTOR / i_pgcd );
+                         i_aspect_x, i_aspect_y );
+
+                p_vout->render.i_aspect = i_new_aspect;
 
-                i_aspect = i_new_aspect;
+                p_vout->b_override_aspect = VLC_TRUE;
             }
         }
 
         /* Look for the default filter configuration */
-        p_vout->psz_filter_chain = config_GetPsz( p_parent, "filter" );
+        var_Create( p_vout, "filter", VLC_VAR_STRING | VLC_VAR_DOINHERIT );
+        var_Get( p_vout, "filter", &val );
+        p_vout->psz_filter_chain = val.psz_string;
     }
     else
     {
@@ -251,7 +373,9 @@ vout_thread_t * __vout_Create( vlc_object_t *p_parent,
     /* Choose the video output module */
     if( !p_vout->psz_filter_chain || !*p_vout->psz_filter_chain )
     {
-        psz_plugin = config_GetPsz( p_parent, "vout" );
+        var_Create( p_vout, "vout", VLC_VAR_STRING | VLC_VAR_DOINHERIT );
+        var_Get( p_vout, "vout", &val );
+        psz_plugin = val.psz_string;
     }
     else
     {
@@ -266,104 +390,95 @@ vout_thread_t * __vout_Create( vlc_object_t *p_parent,
         else psz_plugin = strdup( p_vout->psz_filter_chain );
     }
 
-    /* Initialize pictures and subpictures - translation tables and functions
-     * will be initialized later in InitThread */
-    for( i_index = 0; i_index < 2 * VOUT_MAX_PICTURES; i_index++)
-    {
-        p_vout->p_picture[i_index].i_status = FREE_PICTURE;
-        p_vout->p_picture[i_index].i_type   = EMPTY_PICTURE;
-    }
-
-    for( i_index = 0; i_index < VOUT_MAX_SUBPICTURES; i_index++)
-    {
-        p_vout->p_subpicture[i_index].i_status = FREE_SUBPICTURE;
-        p_vout->p_subpicture[i_index].i_type   = EMPTY_SUBPICTURE;
-    }
-
-    /* No images in the heap */
-    p_vout->i_heap_size = 0;
-
-    /* Initialize the rendering heap */
-    I_RENDERPICTURES = 0;
-    p_vout->render.i_width    = i_width;
-    p_vout->render.i_height   = i_height;
-    p_vout->render.i_chroma   = i_chroma;
-    p_vout->render.i_aspect   = i_aspect;
-
-    p_vout->render.i_rmask    = 0;
-    p_vout->render.i_gmask    = 0;
-    p_vout->render.i_bmask    = 0;
-
-    p_vout->render.i_last_used_pic = -1;
-    p_vout->render.b_allow_modify_pics = 1;
-
-    /* Zero the output heap */
-    I_OUTPUTPICTURES = 0;
-    p_vout->output.i_width    = 0;
-    p_vout->output.i_height   = 0;
-    p_vout->output.i_chroma   = 0;
-    p_vout->output.i_aspect   = 0;
-
-    p_vout->output.i_rmask    = 0;
-    p_vout->output.i_gmask    = 0;
-    p_vout->output.i_bmask    = 0;
-
-    /* Initialize misc stuff */
-    p_vout->i_changes    = 0;
-    p_vout->f_gamma      = 0;
-    p_vout->b_grayscale  = 0;
-    p_vout->b_info       = 0;
-    p_vout->b_interface  = 0;
-    p_vout->b_scale      = 1;
-    p_vout->b_fullscreen = 0;
-    p_vout->render_time  = 10;
-    p_vout->c_fps_samples= 0;
-    p_vout->b_filter_change = 0;
-
-    /* Mouse coordinates */
-    var_Create( p_vout, "mouse-x", VLC_VAR_INTEGER );
-    var_Create( p_vout, "mouse-y", VLC_VAR_INTEGER );
-    var_Create( p_vout, "mouse-moved", VLC_VAR_BOOL );
-    var_Create( p_vout, "mouse-clicked", VLC_VAR_INTEGER );
-    var_Create( p_vout, "key-pressed", VLC_VAR_STRING );
-
-    /* user requested fullscreen? */
-    if( config_GetInt( p_vout, "fullscreen" ) )
-    {
-        p_vout->i_changes |= VOUT_FULLSCREEN_CHANGE;
-    }
-
     /* Initialize the dimensions of the video window */
     InitWindowSize( p_vout, &p_vout->i_window_width,
                     &p_vout->i_window_height );
 
-
+    /* Create the vout thread */
     p_vout->p_module = module_Need( p_vout,
-                           ( p_vout->psz_filter_chain &&
-                               *p_vout->psz_filter_chain ) ?
-                           "video filter" : "video output",
-                           psz_plugin );
+        ( p_vout->psz_filter_chain && *p_vout->psz_filter_chain ) ?
+        "video filter" : "video output", psz_plugin, 0 );
 
     if( psz_plugin ) free( psz_plugin );
     if( p_vout->p_module == NULL )
     {
         msg_Err( p_vout, "no suitable vout module" );
+        vlc_object_detach( p_vout );
         vlc_object_destroy( p_vout );
         return NULL;
     }
 
-    /* Create thread and set locks */
-    vlc_mutex_init( p_vout, &p_vout->picture_lock );
-    vlc_mutex_init( p_vout, &p_vout->subpicture_lock );
-    vlc_mutex_init( p_vout, &p_vout->change_lock );
+    /* Initialize subpicture unit */
+    vout_InitSPU( p_vout );
+
+    /* Create a few object variables for interface interaction */
+    var_Create( p_vout, "deinterlace", VLC_VAR_STRING | VLC_VAR_HASCHOICE );
+    text.psz_string = _("Deinterlace");
+    var_Change( p_vout, "deinterlace", VLC_VAR_SETTEXT, &text, NULL );
+    val.psz_string = ""; text.psz_string = _("Disable");
+    var_Change( p_vout, "deinterlace", VLC_VAR_ADDCHOICE, &val, &text );
+    val.psz_string = "discard"; text.psz_string = _("Discard");
+    var_Change( p_vout, "deinterlace", VLC_VAR_ADDCHOICE, &val, &text );
+    val.psz_string = "blend"; text.psz_string = _("Blend");
+    var_Change( p_vout, "deinterlace", VLC_VAR_ADDCHOICE, &val, &text );
+    val.psz_string = "mean"; text.psz_string = _("Mean");
+    var_Change( p_vout, "deinterlace", VLC_VAR_ADDCHOICE, &val, &text );
+    val.psz_string = "bob"; text.psz_string = _("Bob");
+    var_Change( p_vout, "deinterlace", VLC_VAR_ADDCHOICE, &val, &text );
+    val.psz_string = "linear"; text.psz_string = _("Linear");
+    var_Change( p_vout, "deinterlace", VLC_VAR_ADDCHOICE, &val, &text );
+    if( var_Get( p_vout, "deinterlace-mode", &val ) == VLC_SUCCESS )
+    {
+        var_Set( p_vout, "deinterlace", val );
+        if( val.psz_string ) free( val.psz_string );
+    }
+    var_AddCallback( p_vout, "deinterlace", DeinterlaceCallback, NULL );
 
-    vlc_object_attach( p_vout, p_parent );
+
+    var_Create( p_vout, "filter", VLC_VAR_STRING );
+    text.psz_string = _("Filters");
+    var_Change( p_vout, "filter", VLC_VAR_SETTEXT, &text, NULL );
+    var_Change( p_vout, "filter", VLC_VAR_INHERITVALUE, &val, NULL );
+    if( val.psz_string )
+    {
+        var_Set( p_vout, "filter", val );
+        free( val.psz_string );
+    }
+    var_AddCallback( p_vout, "filter", FilterCallback, NULL );
+
+    /* Calculate delay created by internal caching */
+    p_input_thread = (input_thread_t *)vlc_object_find( p_vout,
+                                           VLC_OBJECT_INPUT, FIND_ANYWHERE );
+    if( p_input_thread )
+    {
+        p_vout->i_pts_delay = p_input_thread->i_pts_delay;
+        vlc_object_release( p_input_thread );
+    }
+    else
+    {
+        p_vout->i_pts_delay = DEFAULT_PTS_DELAY;
+    }
 
     if( vlc_thread_create( p_vout, "video output", RunThread,
-                           VLC_THREAD_PRIORITY_OUTPUT, VLC_FALSE ) )
+                           VLC_THREAD_PRIORITY_OUTPUT, VLC_TRUE ) )
     {
         msg_Err( p_vout, "out of memory" );
         module_Unneed( p_vout, p_vout->p_module );
+        vlc_object_detach( p_vout );
+        vlc_object_destroy( p_vout );
+        return NULL;
+    }
+
+    if( p_vout->b_error )
+    {
+        msg_Err( p_vout, "video output creation failed" );
+
+        /* Make sure the thread is destroyed */
+        p_vout->b_die = VLC_TRUE;
+
+        vlc_thread_join( p_vout );
+
+        vlc_object_detach( p_vout );
         vlc_object_destroy( p_vout );
         return NULL;
     }
@@ -381,14 +496,39 @@ vout_thread_t * __vout_Create( vlc_object_t *p_parent,
  *****************************************************************************/
 void vout_Destroy( vout_thread_t *p_vout )
 {
+    vlc_object_t *p_playlist;
+
     /* Request thread destruction */
     p_vout->b_die = VLC_TRUE;
     vlc_thread_join( p_vout );
 
     var_Destroy( p_vout, "intf-change" );
 
+    p_playlist = vlc_object_find( p_vout, VLC_OBJECT_PLAYLIST,
+                                  FIND_ANYWHERE );
+
+    if( p_vout->psz_filter_chain ) free( p_vout->psz_filter_chain );
+
     /* Free structure */
     vlc_object_destroy( p_vout );
+
+    /* If it was the last vout, tell the interface to show up */
+    if( p_playlist != NULL )
+    {
+        vout_thread_t *p_another_vout = vlc_object_find( p_playlist,
+                                            VLC_OBJECT_VOUT, FIND_ANYWHERE );
+        if( p_another_vout == NULL )
+        {
+            vlc_value_t val;
+            val.b_bool = VLC_TRUE;
+            var_Set( p_playlist, "intf-show", val );
+        }
+        else
+        {
+            vlc_object_release( p_another_vout );
+        }
+        vlc_object_release( p_playlist );
+    }
 }
 
 /*****************************************************************************
@@ -400,7 +540,8 @@ void vout_Destroy( vout_thread_t *p_vout )
  *****************************************************************************/
 static int InitThread( vout_thread_t *p_vout )
 {
-    int i, i_pgcd;
+    int i;
+    unsigned int i_aspect_x, i_aspect_y;
 
     vlc_mutex_lock( &p_vout->change_lock );
 
@@ -449,28 +590,29 @@ static int InitThread( vout_thread_t *p_vout )
 
             if( i_new_aspect && i_new_aspect != p_vout->output.i_aspect )
             {
-                int i_pgcd = ReduceHeight( i_new_aspect );
+                vout_AspectRatio( i_new_aspect, &i_aspect_x, &i_aspect_y );
+
                 msg_Dbg( p_vout, "output ratio forced to %i:%i\n",
-                         i_new_aspect / i_pgcd, VOUT_ASPECT_FACTOR / i_pgcd );
+                         i_aspect_x, i_aspect_y );
                 p_vout->output.i_aspect = i_new_aspect;
             }
         }
     }
 #endif
 
-    i_pgcd = ReduceHeight( p_vout->render.i_aspect );
+    vout_AspectRatio( p_vout->render.i_aspect, &i_aspect_x, &i_aspect_y );
     msg_Dbg( p_vout,
              "picture in %ix%i, chroma 0x%.8x (%4.4s), aspect ratio %i:%i",
              p_vout->render.i_width, p_vout->render.i_height,
              p_vout->render.i_chroma, (char*)&p_vout->render.i_chroma,
-             p_vout->render.i_aspect / i_pgcd, VOUT_ASPECT_FACTOR / i_pgcd );
+             i_aspect_x, i_aspect_y );
 
-    i_pgcd = ReduceHeight( p_vout->output.i_aspect );
+    vout_AspectRatio( p_vout->output.i_aspect, &i_aspect_x, &i_aspect_y );
     msg_Dbg( p_vout,
              "picture out %ix%i, chroma 0x%.8x (%4.4s), aspect ratio %i:%i",
              p_vout->output.i_width, p_vout->output.i_height,
              p_vout->output.i_chroma, (char*)&p_vout->output.i_chroma,
-             p_vout->output.i_aspect / i_pgcd, VOUT_ASPECT_FACTOR / i_pgcd );
+             i_aspect_x, i_aspect_y );
 
     /* Calculate shifts from system-updated masks */
     MaskToShift( &p_vout->output.i_lrshift, &p_vout->output.i_rrshift,
@@ -518,7 +660,7 @@ static int InitThread( vout_thread_t *p_vout )
         p_vout->b_direct = 0;
 
         /* Choose the best module */
-        p_vout->chroma.p_module = module_Need( p_vout, "chroma", NULL );
+        p_vout->chroma.p_module = module_Need( p_vout, "chroma", NULL, 0 );
 
         if( p_vout->chroma.p_module == NULL )
         {
@@ -586,6 +728,10 @@ static void RunThread( vout_thread_t *p_vout)
      * Initialize thread
      */
     p_vout->b_error = InitThread( p_vout );
+
+    /* signal the creation of the vout */
+    vlc_thread_ready( p_vout );
+
     if( p_vout->b_error )
     {
         /* Destroy thread structures allocated by Create and InitThread */
@@ -594,7 +740,7 @@ static void RunThread( vout_thread_t *p_vout)
     }
 
     /*
-     * Main loop - it is not executed if an error occured during
+     * Main loop - it is not executed if an error occurred during
      * initialization
      */
     while( (!p_vout->b_die) && (!p_vout->b_error) )
@@ -604,7 +750,7 @@ static void RunThread( vout_thread_t *p_vout)
         display_date = 0;
         current_date = mdate();
 
-#ifdef STATS
+#if 0
         p_vout->c_loops++;
         if( !(p_vout->c_loops % VOUT_STATS_NB_LOOPS) )
         {
@@ -646,7 +792,7 @@ static void RunThread( vout_thread_t *p_vout)
                     }
                 }
             }
-    
+
             /* If we found better than the last picture, destroy it */
             if( p_last_picture && p_picture != p_last_picture )
             {
@@ -693,9 +839,9 @@ static void RunThread( vout_thread_t *p_vout)
 
                 continue;
             }
-#if 0
-            /* Removed because it causes problems for some people --Meuuh */
-            if( display_date > current_date + VOUT_BOGUS_DELAY )
+
+            if( display_date >
+                current_date + p_vout->i_pts_delay + VOUT_BOGUS_DELAY )
             {
                 /* Picture is waaay too early: it will be destroyed */
                 vlc_mutex_lock( &p_vout->picture_lock );
@@ -711,13 +857,14 @@ static void RunThread( vout_thread_t *p_vout)
                     p_picture->i_status = DESTROYED_PICTURE;
                     p_vout->i_heap_size--;
                 }
-                intf_WarnMsg( 1, "vout warning: early picture skipped "
-                              "("I64Fd")", display_date - current_date );
+                msg_Warn( p_vout, "vout warning: early picture skipped "
+                          "("I64Fd")", display_date - current_date
+                          - p_vout->i_pts_delay );
                 vlc_mutex_unlock( &p_vout->picture_lock );
 
                 continue;
             }
-#endif
+
             if( display_date > current_date + VOUT_DISPLAY_DELAY )
             {
                 /* A picture is ready to be rendered, but its rendering date
@@ -763,7 +910,7 @@ static void RunThread( vout_thread_t *p_vout)
         /*
          * Call the plugin-specific rendering method if there is one
          */
-        if( p_picture != NULL && p_vout->pf_render )
+        if( p_picture != NULL && p_directbuffer != NULL && p_vout->pf_render )
         {
             /* Render the direct buffer returned by vout_RenderPicture */
             p_vout->pf_render( p_vout, p_directbuffer );
@@ -772,11 +919,19 @@ static void RunThread( vout_thread_t *p_vout)
         /*
          * Sleep, wake up
          */
-        if( display_date != 0 )
+        if( display_date != 0 && p_directbuffer != NULL )
         {
-            /* Store render time using a sliding mean */
-            p_vout->render_time += mdate() - current_date;
-            p_vout->render_time >>= 1;
+            mtime_t current_render_time = mdate() - current_date;
+            /* if render time is very large we don't include it in the mean */
+            if( current_render_time < p_vout->render_time +
+                VOUT_DISPLAY_DELAY )
+            {
+                /* Store render time using a sliding mean weighting to
+                 * current value in a 3 to 1 ratio*/
+                p_vout->render_time *= 3;
+                p_vout->render_time += current_render_time;
+                p_vout->render_time >>= 2;
+            }
         }
 
         /* Give back change lock */
@@ -785,7 +940,12 @@ static void RunThread( vout_thread_t *p_vout)
         /* Sleep a while or until a given date */
         if( display_date != 0 )
         {
-            mwait( display_date - VOUT_MWAIT_TOLERANCE );
+            /* If there are filters in the chain, better give them the picture
+             * in advance */
+            if( !p_vout->psz_filter_chain || !*p_vout->psz_filter_chain )
+            {
+                mwait( display_date - VOUT_MWAIT_TOLERANCE );
+            }
         }
         else
         {
@@ -799,7 +959,7 @@ static void RunThread( vout_thread_t *p_vout)
         /*
          * Display the previously rendered picture
          */
-        if( p_picture != NULL )
+        if( p_picture != NULL && p_directbuffer != NULL )
         {
             /* Display the direct buffer returned by vout_RenderPicture */
             if( p_vout->pf_display )
@@ -821,7 +981,7 @@ static void RunThread( vout_thread_t *p_vout)
          */
         if( p_vout->pf_manage && p_vout->pf_manage( p_vout ) )
         {
-            /* A fatal error occured, and the thread must terminate
+            /* A fatal error occurred, and the thread must terminate
              * immediately, without displaying anything - setting b_error to 1
              * causes the immediate end of the main while() loop. */
             p_vout->b_error = 1;
@@ -850,8 +1010,37 @@ static void RunThread( vout_thread_t *p_vout)
             }
 
             /* Need to reinitialise the chroma plugin */
-            p_vout->chroma.p_module->pf_deactivate( VLC_OBJECT(p_vout) );
-            p_vout->chroma.p_module->pf_activate( VLC_OBJECT(p_vout) );
+            if( p_vout->chroma.p_module )
+            {
+                if( p_vout->chroma.p_module->pf_deactivate )
+                    p_vout->chroma.p_module->pf_deactivate( VLC_OBJECT(p_vout) );
+                p_vout->chroma.p_module->pf_activate( VLC_OBJECT(p_vout) );
+            }
+        }
+
+        if( p_vout->i_changes & VOUT_PICTURE_BUFFERS_CHANGE )
+        {
+            /* This happens when the picture buffers need to be recreated.
+             * This is useful on multimonitor displays for instance.
+             *
+             * Warning: This only works when the vout creates only 1 picture
+             * buffer!! */
+            p_vout->i_changes &= ~VOUT_PICTURE_BUFFERS_CHANGE;
+
+            if( !p_vout->b_direct )
+            {
+                module_Unneed( p_vout, p_vout->chroma.p_module );
+            }
+
+            vlc_mutex_lock( &p_vout->picture_lock );
+
+            p_vout->pf_end( p_vout );
+
+            I_OUTPUTPICTURES = I_RENDERPICTURES = 0;
+
+            p_vout->b_error = InitThread( p_vout );
+
+            vlc_mutex_unlock( &p_vout->picture_lock );
         }
     }
 
@@ -873,9 +1062,9 @@ static void RunThread( vout_thread_t *p_vout)
 /*****************************************************************************
  * ErrorThread: RunThread() error loop
  *****************************************************************************
- * This function is called when an error occured during thread main's loop. The
- * thread can still receive feed, but must be ready to terminate as soon as
- * possible.
+ * This function is called when an error occurred during thread main's loop.
+ * The thread can still receive feed, but must be ready to terminate as soon
+ * as possible.
  *****************************************************************************/
 static void ErrorThread( vout_thread_t *p_vout )
 {
@@ -891,7 +1080,7 @@ static void ErrorThread( vout_thread_t *p_vout )
  * EndThread: thread destruction
  *****************************************************************************
  * This function is called when the thread ends after a sucessful
- * initialization. It frees all ressources allocated by InitThread.
+ * initialization. It frees all resources allocated by InitThread.
  *****************************************************************************/
 static void EndThread( vout_thread_t *p_vout )
 {
@@ -913,7 +1102,7 @@ static void EndThread( vout_thread_t *p_vout )
     }
 
     /* Destroy all remaining pictures */
-    for( i_index = 0; i_index < 2 * VOUT_MAX_PICTURES; i_index++ )
+    for( i_index = 0; i_index < 2 * VOUT_MAX_PICTURES + 1; i_index++ )
     {
         if ( p_vout->p_picture[i_index].i_type == MEMORY_PICTURE )
         {
@@ -921,14 +1110,8 @@ static void EndThread( vout_thread_t *p_vout )
         }
     }
 
-    /* Destroy all remaining subpictures */
-    for( i_index = 0; i_index < VOUT_MAX_SUBPICTURES; i_index++ )
-    {
-        if( p_vout->p_subpicture[i_index].i_status != FREE_SUBPICTURE )
-        {
-            free( p_vout->p_subpicture[i_index].p_sys );
-        }
-    }
+    /* Destroy subpicture unit */
+    vout_DestroySPU( p_vout );
 
     /* Destroy translation tables */
     p_vout->pf_end( p_vout );
@@ -951,7 +1134,10 @@ static void DestroyThread( vout_thread_t *p_vout )
     vlc_mutex_destroy( &p_vout->change_lock );
 
     /* Release the module */
-    module_Unneed( p_vout, p_vout->p_module );
+    if( p_vout && p_vout->p_module )
+    {
+        module_Unneed( p_vout, p_vout->p_module );
+    }
 }
 
 /* following functions are local */
@@ -960,7 +1146,7 @@ static int ReduceHeight( int i_ratio )
 {
     int i_dummy = VOUT_ASPECT_FACTOR;
     int i_pgcd  = 1;
+
     if( !i_ratio )
     {
         return i_pgcd;
@@ -1049,29 +1235,36 @@ static void MaskToShift( int *pi_left, int *pi_right, uint32_t i_mask )
 static void InitWindowSize( vout_thread_t *p_vout, int *pi_width,
                             int *pi_height )
 {
+    vlc_value_t val;
     int i_width, i_height;
     uint64_t ll_zoom;
 
 #define FP_FACTOR 1000                             /* our fixed point factor */
 
-    i_width = config_GetInt( p_vout, "width" );
-    i_height = config_GetInt( p_vout, "height" );
-    ll_zoom = (uint64_t)( FP_FACTOR * config_GetFloat( p_vout, "zoom" ) );
+    var_Get( p_vout, "align", &val );
+    p_vout->i_alignment = val.i_int;
+
+    var_Get( p_vout, "width", &val );
+    i_width = val.i_int;
+    var_Get( p_vout, "height", &val );
+    i_height = val.i_int;
+    var_Get( p_vout, "zoom", &val );
+    ll_zoom = (uint64_t)( FP_FACTOR * val.f_float );
 
-    if( (i_width >= 0) && (i_height >= 0))
+    if( i_width > 0 && i_height > 0)
     {
         *pi_width = (int)( i_width * ll_zoom / FP_FACTOR );
         *pi_height = (int)( i_height * ll_zoom / FP_FACTOR );
         return;
     }
-    else if( i_width >= 0 )
+    else if( i_width > 0 )
     {
         *pi_width = (int)( i_width * ll_zoom / FP_FACTOR );
         *pi_height = (int)( i_width * ll_zoom * VOUT_ASPECT_FACTOR /
                             p_vout->render.i_aspect / FP_FACTOR );
         return;
     }
-    else if( i_height >= 0 )
+    else if( i_height > 0 )
     {
         *pi_height = (int)( i_height * ll_zoom / FP_FACTOR );
         *pi_width = (int)( i_height * ll_zoom * p_vout->render.i_aspect /
@@ -1105,7 +1298,134 @@ int vout_VarCallback( vlc_object_t * p_this, const char * psz_variable,
 {
     vout_thread_t * p_vout = (vout_thread_t *)p_this;
     vlc_value_t val;
-    val.b_bool = 1;
+    val.b_bool = VLC_TRUE;
     var_Set( p_vout, "intf-change", val );
-    return 0;
+    return VLC_SUCCESS;
+}
+
+/*****************************************************************************
+ * object variables callbacks: a bunch of object variables are used by the
+ * interfaces to interact with the vout.
+ *****************************************************************************/
+static int DeinterlaceCallback( vlc_object_t *p_this, char const *psz_cmd,
+                       vlc_value_t oldval, vlc_value_t newval, void *p_data )
+{
+    vout_thread_t *p_vout = (vout_thread_t *)p_this;
+    input_thread_t *p_input;
+    vlc_value_t val;
+
+    char *psz_mode = newval.psz_string;
+    char *psz_filter;
+    unsigned int  i;
+
+    psz_filter = config_GetPsz( p_vout, "filter" );
+
+    if( !psz_mode || !*psz_mode )
+    {
+        config_PutPsz( p_vout, "filter", "" );
+    }
+    else
+    {
+        if( !psz_filter || !*psz_filter )
+        {
+            config_PutPsz( p_vout, "filter", "deinterlace" );
+        }
+        else
+        {
+            if( strstr( psz_filter, "deinterlace" ) == NULL )
+            {
+                psz_filter = realloc( psz_filter, strlen( psz_filter ) + 20 );
+                strcat( psz_filter, ",deinterlace" );
+            }
+            config_PutPsz( p_vout, "filter", psz_filter );
+        }
+    }
+
+    if( psz_filter ) free( psz_filter );
+
+
+    p_input = (input_thread_t *)vlc_object_find( p_this, VLC_OBJECT_INPUT,
+                                                 FIND_PARENT );
+    if( !p_input ) return VLC_EGENERIC;
+
+    if( psz_mode && *psz_mode )
+    {
+        val.psz_string = psz_mode;
+        var_Set( p_vout, "deinterlace-mode", val );
+        /* Modify input as well because the vout might have to be restarted */
+        var_Create( p_input, "deinterlace-mode", VLC_VAR_STRING );
+        var_Set( p_input, "deinterlace-mode", val );
+    }
+
+    /* FIXME FIXME input2 --fenrir */
+#if 0
+    /* now restart all video streams */
+    vlc_mutex_lock( &p_input->stream.stream_lock );
+
+    p_vout->b_filter_change = VLC_TRUE;
+
+#define ES p_input->stream.pp_es[i]
+
+    for( i = 0 ; i < p_input->stream.i_es_number ; i++ )
+    {
+        if( ( ES->i_cat == VIDEO_ES ) && ES->p_dec != NULL )
+        {
+            input_UnselectES( p_input, ES );
+            input_SelectES( p_input, ES );
+        }
+#undef ES
+    }
+    vlc_mutex_unlock( &p_input->stream.stream_lock );
+
+    vlc_object_release( p_input );
+#endif
+
+    val.b_bool = VLC_TRUE;
+    var_Set( p_vout, "intf-change", val );
+    return VLC_SUCCESS;
+}
+
+static int FilterCallback( vlc_object_t *p_this, char const *psz_cmd,
+                       vlc_value_t oldval, vlc_value_t newval, void *p_data )
+{
+    vout_thread_t *p_vout = (vout_thread_t *)p_this;
+    input_thread_t *p_input;
+    vlc_value_t val;
+    unsigned int i;
+
+    p_input = (input_thread_t *)vlc_object_find( p_this, VLC_OBJECT_INPUT,
+                                                 FIND_PARENT );
+
+    if (!p_input)
+    {
+        msg_Err( p_vout, "Input not found" );
+        return( VLC_EGENERIC );
+    }
+
+    /* FIXME FIXME input2 --fenrir */
+#if 0
+    /* Restart the video stream */
+    vlc_mutex_lock( &p_input->stream.stream_lock );
+
+    p_vout->b_filter_change = VLC_TRUE;
+
+#define ES p_input->stream.pp_es[i]
+
+    for( i = 0 ; i < p_input->stream.i_es_number ; i++ )
+    {
+        if( ( ES->i_cat == VIDEO_ES ) && ES->p_dec != NULL )
+        {
+            input_UnselectES( p_input, ES );
+            input_SelectES( p_input, ES );
+        }
+#undef ES
+    }
+    vlc_mutex_unlock( &p_input->stream.stream_lock );
+
+    vlc_object_release( p_input );
+#endif
+
+    val.b_bool = VLC_TRUE;
+    var_Set( p_vout, "intf-change", val );
+    return VLC_SUCCESS;
 }