From 23c9ebffb5e2e9a525d19a8b9c31879ec7012fc9 Mon Sep 17 00:00:00 2001 From: Derek Buitenhuis Date: Thu, 2 Oct 2014 11:55:52 +0100 Subject: [PATCH] avfilter: Properly check for failed format query Signed-off-by: Derek Buitenhuis --- libavfilter/avfiltergraph.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/libavfilter/avfiltergraph.c b/libavfilter/avfiltergraph.c index 9178939f77..a859ecbde9 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);