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-rw-r--r--libavcodec/dcamath.h5
1 files changed, 5 insertions, 0 deletions
diff --git a/libavcodec/dcamath.h b/libavcodec/dcamath.h
index 06dc43279b..a8a41427f7 100644
--- a/libavcodec/dcamath.h
+++ b/libavcodec/dcamath.h
@@ -16,6 +16,9 @@
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
+#ifndef AVCODEC_DCAMATH_H
+#define AVCODEC_DCAMATH_H
+
#include "libavutil/common.h"
@@ -40,3 +43,5 @@ static inline int64_t dca_round(int64_t a, int bits)
else
return a;
}
+
+#endif /* AVCODEC_DCAMATH_H */