]> git.sesse.net Git - vlc/blobdiff - src/video_output/video_output.c
ALL: backport of 13001,13004,13005,13011,13012,13019,13020,13025 from trunk.
[vlc] / src / video_output / video_output.c
index d5474ce6391fa2b0d3820dc23010eb5464bb93df..b2465161b1f67500d571ff91809da7984d96dff8 100644 (file)
@@ -1,13 +1,15 @@
 /*****************************************************************************
  * video_output.c : video output thread
+ *
  * This module describes the programming interface for video output threads.
  * 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 1.218 2003/04/14 22:22:32 massiot Exp $
+ * Copyright (C) 2000-2004 the VideoLAN team
+ * $Id$
  *
  * Authors: Vincent Seguin <seguin@via.ecp.fr>
+ *          Gildas Bazin <gbazin@videolan.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
 #   include <sys/times.h>
 #endif
 
-#include "video.h"
+#include "vlc_video.h"
 #include "video_output.h"
+#include "vlc_spu.h"
 #include <vlc/input.h>                 /* for input_thread_t and i_pts_delay */
+#include "vlc_playlist.h"
 
 #if defined( SYS_DARWIN )
 #include "darwin_specific.h"
@@ -52,10 +56,18 @@ static void     ErrorThread       ( vout_thread_t * );
 static void     EndThread         ( vout_thread_t * );
 static void     DestroyThread     ( vout_thread_t * );
 
-static int      ReduceHeight      ( int );
+static void     AspectRatio       ( int, int *, int * );
 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 * );
+
+/* From vout_intf.c */
+int vout_Snapshot( vout_thread_t *, picture_t * );
 
 /*****************************************************************************
  * vout_Request: find a video output thread, create one, or destroy one.
@@ -63,35 +75,34 @@ static void     InitWindowSize    ( vout_thread_t *, int *, int * );
  * This function looks for a video output thread matching the current
  * properties. If not found, it spawns a new one.
  *****************************************************************************/
-vout_thread_t * __vout_Request ( vlc_object_t *p_this, vout_thread_t *p_vout,
-                                 unsigned int i_width, unsigned int i_height,
-                                 vlc_fourcc_t i_chroma, unsigned int i_aspect )
+vout_thread_t *__vout_Request( vlc_object_t *p_this, vout_thread_t *p_vout,
+                               video_format_t *p_fmt )
 {
-    if( !i_width || !i_height || !i_chroma )
+    if( !p_fmt )
     {
         /* Reattach video output to input before bailing out */
         if( p_vout )
         {
-            vlc_object_t *p_input;
-            char *psz_sout = config_GetPsz( p_this, "sout" );
+            vlc_object_t *p_playlist;
 
-            p_input = vlc_object_find( p_this, VLC_OBJECT_INPUT, FIND_PARENT );
+            p_playlist = vlc_object_find( p_this, VLC_OBJECT_PLAYLIST,
+                                          FIND_ANYWHERE );
 
-            if( p_input && (!psz_sout || !*psz_sout) )
+            if( p_playlist )
             {
+                spu_Attach( p_vout->p_spu, p_this, VLC_FALSE );
                 vlc_object_detach( p_vout );
-                vlc_object_attach( p_vout, p_input );
+                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 );
-            if( p_input ) vlc_object_release( p_input );
         }
-
         return NULL;
     }
 
@@ -106,14 +117,23 @@ vout_thread_t * __vout_Request ( vlc_object_t *p_this, vout_thread_t *p_vout,
 
         if( !p_vout )
         {
-            vlc_object_t *p_input;
+            playlist_t *p_playlist;
 
-            p_input = vlc_object_find( p_this, VLC_OBJECT_INPUT, FIND_PARENT );
-            if( p_input )
+            p_playlist = vlc_object_find( p_this,
+                                          VLC_OBJECT_PLAYLIST, FIND_ANYWHERE );
+            if( p_playlist )
             {
-                p_vout = vlc_object_find( p_input, VLC_OBJECT_VOUT,
-                                          FIND_CHILD );
-                vlc_object_release( p_input );
+                vlc_mutex_lock( &p_playlist->gc_lock );
+                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 != (vlc_object_t *)p_playlist )
+                {
+                    vlc_object_release( p_vout );
+                    p_vout = NULL;
+                }
+                vlc_mutex_unlock( &p_playlist->gc_lock );
+                vlc_object_release( p_playlist );
             }
         }
     }
@@ -122,12 +142,14 @@ vout_thread_t * __vout_Request ( vlc_object_t *p_this, vout_thread_t *p_vout,
     if( p_vout )
     {
         char *psz_filter_chain;
+        vlc_value_t val;
 
-        /* We don't directly check for the "filter" variable for obvious
+        /* We don't directly check for the "vout-filter" variable for obvious
          * performance reasons. */
         if( p_vout->b_filter_change )
         {
-            psz_filter_chain = config_GetPsz( p_this, "filter" );
+            var_Get( p_vout, "vout-filter", &val );
+            psz_filter_chain = val.psz_string;
 
             if( psz_filter_chain && !*psz_filter_chain )
             {
@@ -140,9 +162,7 @@ vout_thread_t * __vout_Request ( vlc_object_t *p_this, vout_thread_t *p_vout,
                 p_vout->psz_filter_chain = NULL;
             }
 
-            if( ( !psz_filter_chain && !p_vout->psz_filter_chain ) ||
-                ( psz_filter_chain && p_vout->psz_filter_chain &&
-                  !strcmp( psz_filter_chain, p_vout->psz_filter_chain ) ) )
+            if( !psz_filter_chain && !p_vout->psz_filter_chain )
             {
                 p_vout->b_filter_change = VLC_FALSE;
             }
@@ -150,11 +170,10 @@ vout_thread_t * __vout_Request ( vlc_object_t *p_this, vout_thread_t *p_vout,
             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->b_override_aspect ) ||
+        if( ( p_vout->fmt_render.i_width != p_fmt->i_width ) ||
+            ( p_vout->fmt_render.i_height != p_fmt->i_height ) ||
+            ( p_vout->fmt_render.i_chroma != p_fmt->i_chroma ) ||
+            ( p_vout->fmt_render.i_aspect != p_fmt->i_aspect ) ||
             p_vout->b_filter_change )
         {
             /* We are not interested in this format, close this vout */
@@ -167,6 +186,7 @@ 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 );
+            spu_Attach( p_vout->p_spu, p_this, VLC_TRUE );
             vlc_object_attach( p_vout, p_this );
             vlc_object_release( p_vout );
         }
@@ -176,7 +196,7 @@ vout_thread_t * __vout_Request ( vlc_object_t *p_this, vout_thread_t *p_vout,
     {
         msg_Dbg( p_this, "no usable vout present, spawning one" );
 
-        p_vout = vout_Create( p_this, i_width, i_height, i_chroma, i_aspect );
+        p_vout = vout_Create( p_this, p_fmt );
     }
 
     return p_vout;
@@ -188,15 +208,18 @@ vout_thread_t * __vout_Request ( vlc_object_t *p_this, vout_thread_t *p_vout,
  * This function creates a new video output thread, and returns a pointer
  * to its description. On error, it returns NULL.
  *****************************************************************************/
-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 * __vout_Create( vlc_object_t *p_parent, video_format_t *p_fmt )
 {
     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;
+    vlc_value_t      val, text;
+
+    unsigned int i_width = p_fmt->i_width;
+    unsigned int i_height = p_fmt->i_height;
+    vlc_fourcc_t i_chroma = p_fmt->i_chroma;
+    unsigned int i_aspect = p_fmt->i_aspect;
 
     /* Allocate descriptor */
     p_vout = vlc_object_create( p_parent, VLC_OBJECT_VOUT );
@@ -206,98 +229,15 @@ 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 );
-
-    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" );
-
-        /* Check whether the user tried to override aspect ratio */
-        if( psz_aspect )
-        {
-            unsigned int i_new_aspect = i_aspect;
-            char *psz_parser = strchr( psz_aspect, ':' );
-
-            if( psz_parser )
-            {
-                *psz_parser++ = '\0';
-                i_new_aspect = atoi( psz_aspect ) * VOUT_ASPECT_FACTOR
-                                                  / atoi( psz_parser );
-            }
-            else
-            {
-                i_new_aspect = i_width * VOUT_ASPECT_FACTOR
-                                       * atof( psz_aspect )
-                                       / i_height;
-            }
-
-            free( psz_aspect );
-
-            if( i_new_aspect && i_new_aspect != i_aspect )
-            {
-                int i_pgcd = ReduceHeight( i_new_aspect );
-
-                msg_Dbg( p_vout, "overriding source aspect ratio to %i:%i",
-                         i_new_aspect / i_pgcd, VOUT_ASPECT_FACTOR / i_pgcd );
-
-                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" );
-    }
-    else
-    {
-        /* continue the parent's filter chain */
-        char *psz_end;
-
-        psz_end = strchr( ((vout_thread_t *)p_parent)->psz_filter_chain, ':' );
-        if( psz_end && *(psz_end+1) )
-            p_vout->psz_filter_chain = strdup( psz_end+1 );
-        else p_vout->psz_filter_chain = NULL;
-    }
-
-    /* Choose the video output module */
-    if( !p_vout->psz_filter_chain || !*p_vout->psz_filter_chain )
-    {
-        psz_plugin = config_GetPsz( p_parent, "vout" );
-    }
-    else
-    {
-        /* the filter chain is a string list of filters separated by double
-         * colons */
-        char *psz_end;
-
-        psz_end = strchr( p_vout->psz_filter_chain, ':' );
-        if( psz_end )
-            psz_plugin = strndup( p_vout->psz_filter_chain,
-                                  psz_end - p_vout->psz_filter_chain );
-        else psz_plugin = strdup( p_vout->psz_filter_chain );
-    }
-
-    /* Initialize pictures and subpictures - translation tables and functions
+    /* Initialize pictures - translation tables and functions
      * will be initialized later in InitThread */
-    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++)
     {
         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;
-    }
-
-    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;
+        p_vout->p_picture[i_index].b_slow   = 0;
     }
 
     /* No images in the heap */
@@ -305,6 +245,12 @@ vout_thread_t * __vout_Create( vlc_object_t *p_parent,
 
     /* Initialize the rendering heap */
     I_RENDERPICTURES = 0;
+
+    vlc_ureduce( &p_fmt->i_sar_num, &p_fmt->i_sar_den,
+                 p_fmt->i_sar_num, p_fmt->i_sar_den, 50000 );
+    p_vout->fmt_render        = *p_fmt;   /* FIXME palette */
+    p_vout->fmt_in            = *p_fmt;   /* FIXME palette */
+
     p_vout->render.i_width    = i_width;
     p_vout->render.i_height   = i_height;
     p_vout->render.i_chroma   = i_chroma;
@@ -336,9 +282,17 @@ vout_thread_t * __vout_Create( vlc_object_t *p_parent,
     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;
+    p_vout->i_par_num = p_vout->i_par_den = 1;
+
+    /* Initialize locks */
+    vlc_mutex_init( p_vout, &p_vout->picture_lock );
+    vlc_mutex_init( p_vout, &p_vout->change_lock );
 
     /* Mouse coordinates */
     var_Create( p_vout, "mouse-x", VLC_VAR_INTEGER );
@@ -346,33 +300,105 @@ vout_thread_t * __vout_Create( vlc_object_t *p_parent,
     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 );
-    var_Create( p_vout, "key-pressed", VLC_VAR_STRING );
 
-    /* user requested fullscreen? */
-    if( config_GetInt( p_vout, "fullscreen" ) )
+    /* Initialize subpicture unit */
+    p_vout->p_spu = spu_Create( p_vout );
+    spu_Attach( p_vout->p_spu, p_parent, VLC_TRUE );
+
+    /* Attach the new object now so we can use var inheritance below */
+    vlc_object_attach( p_vout, p_parent );
+
+    spu_Init( p_vout->p_spu );
+
+    /* Take care of some "interface/control" related initialisations */
+    vout_IntfInit( p_vout );
+
+    /* 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 )
     {
-        p_vout->i_changes |= VOUT_FULLSCREEN_CHANGE;
+        /* Look for the default filter configuration */
+        var_Create( p_vout, "vout-filter", VLC_VAR_STRING | VLC_VAR_DOINHERIT );
+        var_Get( p_vout, "vout-filter", &val );
+        p_vout->psz_filter_chain = val.psz_string;
     }
+    else
+    {
+        /* continue the parent's filter chain */
+        char *psz_end;
 
-    /* Initialize the dimensions of the video window */
-    InitWindowSize( p_vout, &p_vout->i_window_width,
-                    &p_vout->i_window_height );
+        psz_end = strchr( ((vout_thread_t *)p_parent)->psz_filter_chain, ':' );
+        if( psz_end && *(psz_end+1) )
+            p_vout->psz_filter_chain = strdup( psz_end+1 );
+        else p_vout->psz_filter_chain = NULL;
+    }
 
+    /* Choose the video output module */
+    if( !p_vout->psz_filter_chain || !*p_vout->psz_filter_chain )
+    {
+        var_Create( p_vout, "vout", VLC_VAR_STRING | VLC_VAR_DOINHERIT );
+        var_Get( p_vout, "vout", &val );
+        psz_plugin = val.psz_string;
+    }
+    else
+    {
+        /* the filter chain is a string list of filters separated by double
+         * colons */
+        char *psz_end;
+
+        psz_end = strchr( p_vout->psz_filter_chain, ':' );
+        if( psz_end )
+            psz_plugin = strndup( p_vout->psz_filter_chain,
+                                  psz_end - p_vout->psz_filter_chain );
+        else psz_plugin = strdup( p_vout->psz_filter_chain );
+    }
 
+    /* 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 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 );
+    val.psz_string = "x"; text.psz_string = "X";
+    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 );
+
+
+    var_Create( p_vout, "vout-filter", VLC_VAR_STRING | VLC_VAR_DOINHERIT );
+    text.psz_string = _("Filters");
+    var_Change( p_vout, "vout-filter", VLC_VAR_SETTEXT, &text, NULL );
+    var_AddCallback( p_vout, "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 );
@@ -386,18 +412,26 @@ vout_thread_t * __vout_Create( vlc_object_t *p_parent,
         p_vout->i_pts_delay = DEFAULT_PTS_DELAY;
     }
 
-    /* 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 );
-
-    vlc_object_attach( p_vout, p_parent );
-
     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;
     }
@@ -415,14 +449,39 @@ 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 );
+    }
 }
 
 /*****************************************************************************
@@ -434,7 +493,7 @@ void vout_Destroy( vout_thread_t *p_vout )
  *****************************************************************************/
 static int InitThread( vout_thread_t *p_vout )
 {
-    int i, i_pgcd;
+    int i, i_aspect_x, i_aspect_y;
 
     vlc_mutex_lock( &p_vout->change_lock );
 
@@ -469,42 +528,63 @@ static int InitThread( vout_thread_t *p_vout )
 
     msg_Dbg( p_vout, "got %i direct buffer(s)", I_OUTPUTPICTURES );
 
-#if 0
-    if( !p_vout->psz_filter_chain )
+    AspectRatio( p_vout->fmt_render.i_aspect, &i_aspect_x, &i_aspect_y );
+
+    msg_Dbg( p_vout, "picture in %ix%i (%i,%i,%ix%i), "
+             "chroma %4.4s, ar %i:%i, sar %i:%i",
+             p_vout->fmt_render.i_width, p_vout->fmt_render.i_height,
+             p_vout->fmt_render.i_x_offset, p_vout->fmt_render.i_y_offset,
+             p_vout->fmt_render.i_visible_width,
+             p_vout->fmt_render.i_visible_height,
+             (char*)&p_vout->fmt_render.i_chroma,
+             i_aspect_x, i_aspect_y,
+             p_vout->fmt_render.i_sar_num, p_vout->fmt_render.i_sar_den );
+
+    AspectRatio( p_vout->fmt_in.i_aspect, &i_aspect_x, &i_aspect_y );
+
+    msg_Dbg( p_vout, "picture user %ix%i (%i,%i,%ix%i), "
+             "chroma %4.4s, ar %i:%i, sar %i:%i",
+             p_vout->fmt_in.i_width, p_vout->fmt_in.i_height,
+             p_vout->fmt_in.i_x_offset, p_vout->fmt_in.i_y_offset,
+             p_vout->fmt_in.i_visible_width,
+             p_vout->fmt_in.i_visible_height,
+             (char*)&p_vout->fmt_in.i_chroma,
+             i_aspect_x, i_aspect_y,
+             p_vout->fmt_in.i_sar_num, p_vout->fmt_in.i_sar_den );
+
+    if( !p_vout->fmt_out.i_width || !p_vout->fmt_out.i_height )
     {
-        char *psz_aspect = config_GetPsz( p_vout, "pixel-ratio" );
-
-        if( psz_aspect )
-        {
-            int i_new_aspect = p_vout->output.i_width * VOUT_ASPECT_FACTOR
-                                                      * atof( psz_aspect )
-                                                      / p_vout->output.i_height;
-            free( psz_aspect );
-
-            if( i_new_aspect && i_new_aspect != p_vout->output.i_aspect )
-            {
-                int i_pgcd = ReduceHeight( i_new_aspect );
-                msg_Dbg( p_vout, "output ratio forced to %i:%i\n",
-                         i_new_aspect / i_pgcd, VOUT_ASPECT_FACTOR / i_pgcd );
-                p_vout->output.i_aspect = i_new_aspect;
-            }
-        }
+        p_vout->fmt_out.i_width = p_vout->fmt_out.i_visible_width =
+            p_vout->output.i_width;
+        p_vout->fmt_out.i_height = p_vout->fmt_out.i_visible_height =
+            p_vout->output.i_height;
+        p_vout->fmt_out.i_x_offset =  p_vout->fmt_out.i_y_offset = 0;
+
+        p_vout->fmt_out.i_aspect = p_vout->output.i_aspect;
+        p_vout->fmt_out.i_chroma = p_vout->output.i_chroma;
+    }
+    if( !p_vout->fmt_out.i_sar_num || !p_vout->fmt_out.i_sar_num )
+    {
+        p_vout->fmt_out.i_sar_num = p_vout->fmt_out.i_aspect *
+            p_vout->fmt_out.i_height;
+        p_vout->fmt_out.i_sar_den = VOUT_ASPECT_FACTOR *
+            p_vout->fmt_out.i_width;
     }
-#endif
 
-    i_pgcd = ReduceHeight( p_vout->render.i_aspect );
-    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 );
+    vlc_ureduce( &p_vout->fmt_out.i_sar_num, &p_vout->fmt_out.i_sar_den,
+                 p_vout->fmt_out.i_sar_num, p_vout->fmt_out.i_sar_den, 0 );
 
-    i_pgcd = ReduceHeight( p_vout->output.i_aspect );
-    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 );
+    AspectRatio( p_vout->fmt_out.i_aspect, &i_aspect_x, &i_aspect_y );
+
+    msg_Dbg( p_vout, "picture out %ix%i (%i,%i,%ix%i), "
+             "chroma %4.4s, ar %i:%i, sar %i:%i",
+             p_vout->fmt_out.i_width, p_vout->fmt_out.i_height,
+             p_vout->fmt_out.i_x_offset, p_vout->fmt_out.i_y_offset,
+             p_vout->fmt_out.i_visible_width,
+             p_vout->fmt_out.i_visible_height,
+             (char*)&p_vout->fmt_out.i_chroma,
+             i_aspect_x, i_aspect_y,
+             p_vout->fmt_out.i_sar_num, p_vout->fmt_out.i_sar_den );
 
     /* Calculate shifts from system-updated masks */
     MaskToShift( &p_vout->output.i_lrshift, &p_vout->output.i_rrshift,
@@ -552,7 +632,7 @@ 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 )
         {
@@ -614,12 +694,16 @@ static void RunThread( vout_thread_t *p_vout)
     picture_t *     p_last_picture = NULL;                   /* last picture */
     picture_t *     p_directbuffer;              /* direct buffer to display */
 
-    subpicture_t *  p_subpic;                          /* subpicture pointer */
+    subpicture_t *  p_subpic = NULL;                   /* subpicture pointer */
 
     /*
      * 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 */
@@ -628,7 +712,7 @@ 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) )
@@ -729,7 +813,7 @@ static void RunThread( vout_thread_t *p_vout)
             }
 
             if( display_date >
-                current_date + p_vout->i_pts_delay +  VOUT_BOGUS_DELAY )
+                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 );
@@ -785,10 +869,19 @@ static void RunThread( vout_thread_t *p_vout)
             i_idle_loops++;
         }
 
+        if( p_picture && p_vout->b_snapshot )
+        {
+            p_vout->b_snapshot = VLC_FALSE;
+            vout_Snapshot( p_vout, p_picture );
+        }
+
         /*
          * Check for subpictures to display
          */
-        p_subpic = vout_SortSubPictures( p_vout, display_date );
+        if( display_date > 0 )
+        {
+            p_subpic = spu_SortSubpictures( p_vout->p_spu, display_date );
+        }
 
         /*
          * Perform rendering
@@ -809,9 +902,17 @@ static void RunThread( vout_thread_t *p_vout)
          */
         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 */
@@ -820,7 +921,12 @@ 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
         {
@@ -842,21 +948,24 @@ static void RunThread( vout_thread_t *p_vout)
                 p_vout->pf_display( p_vout, p_directbuffer );
             }
 
-            /* Reinitialize idle loop count */
-            i_idle_loops = 0;
-
             /* Tell the vout this was the last picture and that it does not
              * need to be forced anymore. */
             p_last_picture = p_picture;
             p_last_picture->b_force = 0;
         }
 
+        if( p_picture != NULL )
+        {
+            /* Reinitialize idle loop count */
+            i_idle_loops = 0;
+        }
+
         /*
          * Check events and manage thread
          */
         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;
@@ -885,8 +994,37 @@ 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 );
         }
     }
 
@@ -908,9 +1046,9 @@ 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 )
 {
@@ -926,7 +1064,7 @@ 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 )
 {
@@ -948,7 +1086,7 @@ 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 )
         {
@@ -956,15 +1094,9 @@ 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 )
-        {
-            vout_DestroySubPicture( p_vout,
-                                    &p_vout->p_subpicture[i_index] );
-        }
-    }
+    /* Destroy subpicture unit */
+    spu_Attach( p_vout->p_spu, VLC_OBJECT(p_vout), VLC_FALSE );
+    spu_Destroy( p_vout->p_spu );
 
     /* Destroy translation tables */
     p_vout->pf_end( p_vout );
@@ -983,11 +1115,13 @@ static void DestroyThread( vout_thread_t *p_vout )
 {
     /* Destroy the locks */
     vlc_mutex_destroy( &p_vout->picture_lock );
-    vlc_mutex_destroy( &p_vout->subpicture_lock );
     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 */
@@ -996,7 +1130,7 @@ static int ReduceHeight( int i_ratio )
 {
     int i_dummy = VOUT_ASPECT_FACTOR;
     int i_pgcd  = 1;
+
     if( !i_ratio )
     {
         return i_pgcd;
@@ -1027,6 +1161,13 @@ static int ReduceHeight( int i_ratio )
     return i_pgcd;
 }
 
+static void AspectRatio( int i_aspect, int *i_aspect_x, 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;
+}
+
 /*****************************************************************************
  * BinaryLog: computes the base 2 log of a binary value
  *****************************************************************************
@@ -1077,71 +1218,151 @@ static void MaskToShift( int *pi_left, int *pi_right, uint32_t i_mask )
 }
 
 /*****************************************************************************
- * InitWindowSize: find the initial dimensions the video window should have.
- *****************************************************************************
- * This function will check the "width", "height" and "zoom" config options and
- * will calculate the size that the video window should have.
+ * vout_VarCallback: generic callback for intf variables
  *****************************************************************************/
-static void InitWindowSize( vout_thread_t *p_vout, int *pi_width,
-                            int *pi_height )
+int vout_VarCallback( vlc_object_t * p_this, const char * psz_variable,
+                      vlc_value_t old_value, vlc_value_t new_value,
+                      void * unused )
+{
+    vout_thread_t * p_vout = (vout_thread_t *)p_this;
+    vlc_value_t val;
+    val.b_bool = VLC_TRUE;
+    var_Set( p_vout, "intf-change", val );
+    return VLC_SUCCESS;
+}
+
+/*****************************************************************************
+ * Helper thread for object variables callbacks.
+ * Only used to avoid deadlocks when using the video embedded mode.
+ *****************************************************************************/
+typedef struct suxor_thread_t
 {
-    int i_width, i_height;
-    uint64_t ll_zoom;
+    VLC_COMMON_MEMBERS
+    input_thread_t *p_input;
+
+} suxor_thread_t;
 
-#define FP_FACTOR 1000                             /* our fixed point factor */
+static void SuxorRestartVideoES( suxor_thread_t *p_this )
+{
+    vlc_value_t val;
 
-    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" ) );
+    vlc_thread_ready( p_this );
 
-    if( (i_width >= 0) && (i_height >= 0))
+    /* Now restart current video stream */
+    var_Get( p_this->p_input, "video-es", &val );
+    if( val.i_int >= 0 )
     {
-        *pi_width = (int)( i_width * ll_zoom / FP_FACTOR );
-        *pi_height = (int)( i_height * ll_zoom / FP_FACTOR );
-        return;
+        vlc_value_t val_es;
+        val_es.i_int = -VIDEO_ES;
+        var_Set( p_this->p_input, "video-es", val_es );
+        var_Set( p_this->p_input, "video-es", val );
     }
-    else if( i_width >= 0 )
+
+    vlc_object_release( p_this->p_input );
+
+#ifdef WIN32
+    CloseHandle( p_this->thread_id );
+#endif
+
+    vlc_object_destroy( p_this );
+}
+
+/*****************************************************************************
+ * 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, *psz_deinterlace = NULL;
+
+    var_Get( p_vout, "vout-filter", &val );
+    psz_filter = val.psz_string;
+    if( psz_filter ) psz_deinterlace = strstr( psz_filter, "deinterlace" );
+
+    if( !psz_mode || !*psz_mode )
     {
-        *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;
+        if( psz_deinterlace )
+        {
+            char *psz_src = psz_deinterlace + sizeof("deinterlace") - 1;
+            if( psz_src[0] == ':' ) psz_src++;
+            memmove( psz_deinterlace, psz_src, strlen(psz_src) + 1 );
+        }
     }
-    else if( i_height >= 0 )
+    else if( !psz_deinterlace )
     {
-        *pi_height = (int)( i_height * ll_zoom / FP_FACTOR );
-        *pi_width = (int)( i_height * ll_zoom * p_vout->render.i_aspect /
-                           VOUT_ASPECT_FACTOR / FP_FACTOR );
-        return;
+        psz_filter = realloc( psz_filter, strlen( psz_filter ) +
+                              sizeof(":deinterlace") );
+        if( psz_filter && *psz_filter ) strcat( psz_filter, ":" );
+        strcat( psz_filter, "deinterlace" );
     }
 
-    if( p_vout->render.i_height * p_vout->render.i_aspect
-        >= p_vout->render.i_width * VOUT_ASPECT_FACTOR )
-    {
-        *pi_width = (int)( p_vout->render.i_height * ll_zoom
-          * p_vout->render.i_aspect / VOUT_ASPECT_FACTOR / FP_FACTOR );
-        *pi_height = (int)( p_vout->render.i_height * ll_zoom / FP_FACTOR );
-    }
-    else
+    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 )
     {
-        *pi_width = (int)( p_vout->render.i_width * ll_zoom / FP_FACTOR );
-        *pi_height = (int)( p_vout->render.i_width * ll_zoom
-          * VOUT_ASPECT_FACTOR / p_vout->render.i_aspect / FP_FACTOR );
+        /* Modify input as well because the vout might have to be restarted */
+        val.psz_string = psz_mode;
+        var_Create( p_input, "deinterlace-mode", VLC_VAR_STRING );
+        var_Set( p_input, "deinterlace-mode", val );
     }
+    vlc_object_release( p_input );
+
+    val.b_bool = VLC_TRUE;
+    var_Set( p_vout, "intf-change", val );
+
+    val.psz_string = psz_filter;
+    var_Set( p_vout, "vout-filter", val );
+    if( psz_filter ) free( psz_filter );
 
-#undef FP_FACTOR
+    return VLC_SUCCESS;
 }
 
-/*****************************************************************************
- * vout_VarCallback: generic callback for intf variables
- *****************************************************************************/
-int vout_VarCallback( vlc_object_t * p_this, const char * psz_variable,
-                      vlc_value_t old_value, vlc_value_t new_value,
-                      void * unused )
+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;
+    vout_thread_t *p_vout = (vout_thread_t *)p_this;
+    input_thread_t *p_input;
     vlc_value_t val;
-    val.b_bool = 1;
+
+    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 );
+    }
+
+    val.b_bool = VLC_TRUE;
     var_Set( p_vout, "intf-change", val );
-    return 0;
+
+    /* Modify input as well because the vout might have to be restarted */
+    val.psz_string = newval.psz_string;
+    var_Create( p_input, "vout-filter", VLC_VAR_STRING );
+
+    var_Set( p_input, "vout-filter", val );
+
+    /* Now restart current video stream */
+    var_Get( p_input, "video-es", &val );
+    if( val.i_int >= 0 )
+    {
+        suxor_thread_t *p_suxor =
+            vlc_object_create( p_vout, sizeof(suxor_thread_t) );
+        p_suxor->p_input = p_input;
+        p_vout->b_filter_change = VLC_TRUE;
+        vlc_object_yield( p_input );
+        vlc_thread_create( p_suxor, "suxor", SuxorRestartVideoES,
+                           VLC_THREAD_PRIORITY_LOW, VLC_FALSE );
+    }
+
+    vlc_object_release( p_input );
+
+    return VLC_SUCCESS;
 }