From 3751e5a8214d05998ecce17f25af98e64abfefff Mon Sep 17 00:00:00 2001
From: Michael Niedermayer <michaelni@gmx.at>
Date: Mon, 14 Apr 2014 23:15:31 +0200
Subject: [PATCH] swscale/swscale: clear to/from convert pointers when they
 used.

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
---
 libswscale/swscale.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/libswscale/swscale.c b/libswscale/swscale.c
index cbf1074109..4762f584dc 100644
--- a/libswscale/swscale.c
+++ b/libswscale/swscale.c
@@ -731,6 +731,8 @@ static av_cold void sws_init_swscale(SwsContext *c)
                                                  : hScale16To15_c;
     }
 
+    c->lumConvertRange = NULL;
+    c->chrConvertRange = NULL;
     if (c->srcRange != c->dstRange && !isAnyRGB(c->dstFormat)) {
         if (c->dstBpc <= 14) {
             if (c->srcRange) {