From 169b3abd788ac566b4ba831bbcc0dfd3c8981fd0 Mon Sep 17 00:00:00 2001
From: wm4 <wm4@nowhere>
Date: Sun, 30 Jun 2013 18:46:29 +0200
Subject: sd_ass: scale blur by original video size if requested

---
 DOCS/man/en/options.rst | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

(limited to 'DOCS/man')

diff --git a/DOCS/man/en/options.rst b/DOCS/man/en/options.rst
index ad463daffc..bb908f3885 100644
--- a/DOCS/man/en/options.rst
+++ b/DOCS/man/en/options.rst
@@ -157,7 +157,7 @@
     Enables placing toptitles and subtitles in black borders when they are
     available.
 
-``--ass-vsfilter-aspect-compat``
+``--ass-vsfilter-aspect-compat=<yes|no>``
     Stretch SSA/ASS subtitles when playing anamorphic videos for compatibility
     with traditional VSFilter behavior. This switch has no effect when the
     video is stored with square pixels.
@@ -174,6 +174,15 @@
 
     Enabled by default.
 
+``--ass-vsfilter-blur-compat=<yes|no>``
+    Scale ``\blur`` tags by video resolution instead of script resolution
+    (enabled by default). This is bug in VSFilter, which according to some,
+    can't be fixed anymore in the name of compatibility.
+
+    Note that this uses the actual video resolution for calculating the
+    offset scale factor, not what the video filter chain or the video output
+    use.
+
 ``--ass-vsfilter-color-compat=<basic|full|force-601|no``
     Mangle colors like (xy-)vsfilter do (default: basic). Historically, VSFilter
     was not colorspace aware. This was no problem as long as the colorspace
-- 
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