Behaves more like FFmpeg, makes some API users not crash on exit.
---
libavformat/utils.c | 7 ++++++-
1 file changed, 6 insertions(+), 1 deletion(-)
diff --git a/libavformat/utils.c b/libavformat/utils.c
index eaba473914..24a4335016 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 || !*ps)
+ return;
+
+ pb = s->pb;
if ((s->iformat && s->iformat->flags & AVFMT_NOFILE) ||
(s->flags & AVFMT_FLAG_CUSTOM_IO))
--
2.11.0
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