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-rw-r--r--libavutil/internal.h6
1 files changed, 6 insertions, 0 deletions
diff --git a/libavutil/internal.h b/libavutil/internal.h
index e61a629f05..9fd105145c 100644
--- a/libavutil/internal.h
+++ b/libavutil/internal.h
@@ -47,6 +47,12 @@
#endif
#endif
+#if defined(_MSC_VER) && CONFIG_SHARED
+# define av_export __declspec(dllimport)
+#else
+# define av_export
+#endif
+
#ifndef INT_BIT
# define INT_BIT (CHAR_BIT * sizeof(int))
#endif