From 23c9ebffb5e2e9a525d19a8b9c31879ec7012fc9 Mon Sep 17 00:00:00 2001
From: Derek Buitenhuis <derek.buitenhuis@gmail.com>
Date: Thu, 2 Oct 2014 11:55:52 +0100
Subject: [PATCH] avfilter: Properly check for failed format query
Signed-off-by: Derek Buitenhuis <derek.buitenhuis@gmail.com>
---
libavfilter/avfiltergraph.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/libavfilter/avfiltergraph.c b/libavfilter/avfiltergraph.c
index 9178939f771..a859ecbde98 100644
--- a/libavfilter/avfiltergraph.c
+++ b/libavfilter/avfiltergraph.c
@@ -559,7 +559,9 @@ static int query_formats(AVFilterGraph *graph, AVClass *log_ctx)
if ((ret = avfilter_insert_filter(link, convert, 0, 0)) < 0)
return ret;
- filter_query_formats(convert);
+ if ((ret = filter_query_formats(convert)) < 0)
+ return ret;
+
inlink = convert->inputs[0];
outlink = convert->outputs[0];
av_assert0( inlink-> in_formats->refcount > 0);
--
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