* In case we do scaling on SSA subs, we also need to adjust the canvas size in...

* In case we do scaling on SSA subs, we also need to adjust the canvas size in which we render. (there you go bigben :D ) fixes #562

src/video_output/vout_subpictures.c

@@ -515,6 +515,18 @@ void spu_RenderSubpictures( spu_t *p_spu, video_format_t *p_fmt,
                 module_Need( p_spu->p_text, "text renderer", 0, 0 );
         }
         else if( p_region )
+        {
+            if( p_subpic->i_original_picture_height > 0 &&
+                p_subpic->i_original_picture_width  > 0 )
+            {
+                p_spu->p_text->fmt_out.video.i_width =
+                    p_spu->p_text->fmt_out.video.i_visible_width =
+                    p_subpic->i_original_picture_width;
+                p_spu->p_text->fmt_out.video.i_height =
+                    p_spu->p_text->fmt_out.video.i_visible_height =
+                    p_subpic->i_original_picture_height;
+            }
+            else
             {
                 p_spu->p_text->fmt_out.video.i_width =
                     p_spu->p_text->fmt_out.video.i_visible_width =
@@ -523,6 +535,7 @@ void spu_RenderSubpictures( spu_t *p_spu, video_format_t *p_fmt,
                     p_spu->p_text->fmt_out.video.i_visible_height =
                     p_fmt->i_height;
             }
+        }
 
         i_scale_width = i_scale_width_orig;
         i_scale_height = i_scale_height_orig;