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-rw-r--r--libavdevice/alsa-audio-dec.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/libavdevice/alsa-audio-dec.c b/libavdevice/alsa-audio-dec.c
index f8977a10f9..94162d2d9f 100644
--- a/libavdevice/alsa-audio-dec.c
+++ b/libavdevice/alsa-audio-dec.c
@@ -47,6 +47,7 @@
#include <alsa/asoundlib.h>
#include "libavutil/opt.h"
+#include "libavutil/mathematics.h"
#include "avdevice.h"
#include "alsa-audio.h"