From 2b1324bd167553f49736e4eaa94f96da9982925e Mon Sep 17 00:00:00 2001
From: wm4 <nfxjfg@googlemail.com>
Date: Sun, 16 Jul 2017 12:43:09 +0200
Subject: [PATCH] lavf: allow avformat_close_input() with NULL
This is consistent with how other destructors behave.
Signed-off-by: Anton Khirnov <anton@khirnov.net>
---
libavformat/utils.c | 7 ++++++-
1 file changed, 6 insertions(+), 1 deletion(-)
diff --git a/libavformat/utils.c b/libavformat/utils.c
index eaba4739140..bbdc2cdb8ab 100644
--- a/libavformat/utils.c
+++ b/libavformat/utils.c
@@ -2733,7 +2733,12 @@ void avformat_free_context(AVFormatContext *s)
void avformat_close_input(AVFormatContext **ps)
{
AVFormatContext *s = *ps;
- AVIOContext *pb = s->pb;
+ AVIOContext *pb;
+
+ if (!*ps)
+ return;
+
+ pb = s->pb;
if ((s->iformat && s->iformat->flags & AVFMT_NOFILE) ||
(s->flags & AVFMT_FLAG_CUSTOM_IO))
--
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