From 5c60a78f2ebdca81f590707f48cf07420292044b Mon Sep 17 00:00:00 2001
From: Oleg Oshmyan <chortos@inbox.lv>
Date: Tue, 10 Feb 2015 00:37:41 +0200
Subject: Make sure the synth tmp buffer is large enough for be_blur

---
 libass/ass_bitmap.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/libass/ass_bitmap.c b/libass/ass_bitmap.c
index 609404f..d1ba819 100644
--- a/libass/ass_bitmap.c
+++ b/libass/ass_bitmap.c
@@ -126,7 +126,8 @@ static bool resize_tmp(ASS_SynthPriv *priv, int w, int h)
 {
     if (w >= INT_MAX || (w + 1) > SIZE_MAX / 2 / sizeof(unsigned) / FFMAX(h, 1))
         return false;
-    size_t needed = sizeof(unsigned) * (w + 1) * h;
+    size_t needed = FFMAX(sizeof(unsigned) * (w + 1) * h,
+                          sizeof(uint16_t) * ass_align(32, w) * 2);
     if (priv->tmp && priv->tmp_allocated >= needed)
         return true;
 
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