Commit 4475a7d8 authored by Mina Nagy Zaki's avatar Mina Nagy Zaki Committed by Reinhard Tartler

lavfi: avfilter_merge_formats: handle case where inputs are same

This fixes a double-free crash if lists are the same due to the two
merge_ref() calls at the end of the (useless) merging that happens.
Signed-off-by: 's avatarAnton Khirnov <>
(cherry picked from commit 11b6a824)


Signed-off-by: 's avatarReinhard Tartler <>
parent 0f6d4da8
......@@ -43,6 +43,9 @@ AVFilterFormats *avfilter_merge_formats(AVFilterFormats *a, AVFilterFormats *b)
AVFilterFormats *ret;
unsigned i, j, k = 0;
if (a == b)
return a;
if (a == b)
return a;
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