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-rw-r--r--libavfilter/vf_overlay.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/libavfilter/vf_overlay.c b/libavfilter/vf_overlay.c
index c8bdf51642..39b2375235 100644
--- a/libavfilter/vf_overlay.c
+++ b/libavfilter/vf_overlay.c
@@ -30,6 +30,7 @@
#include "libavutil/avstring.h"
#include "libavutil/pixdesc.h"
#include "libavutil/imgutils.h"
+#include "libavutil/mathematics.h"
#include "internal.h"
static const char *var_names[] = {