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Diffstat (limited to 'libavutil/error.h')
-rw-r--r--libavutil/error.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/libavutil/error.h b/libavutil/error.h
index a386c1f651..51c613c56d 100644
--- a/libavutil/error.h
+++ b/libavutil/error.h
@@ -33,7 +33,11 @@
#define AVERROR(e) (e)
#define AVUNERROR(e) (e)
#endif
+
+#if LIBAVUTIL_VERSION_MAJOR < 51
#define AVERROR_UNKNOWN AVERROR(EINVAL) /**< unknown error */
+#endif
+
#define AVERROR_IO AVERROR(EIO) /**< I/O error */
#define AVERROR_NUMEXPECTED AVERROR(EDOM) /**< Number syntax expected in filename. */
#define AVERROR_INVALIDDATA AVERROR(EINVAL) /**< invalid data found */