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-rw-r--r--libavcodec/common.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/libavcodec/common.h b/libavcodec/common.h
index b0a3db526d..d398b397fb 100644
--- a/libavcodec/common.h
+++ b/libavcodec/common.h
@@ -115,6 +115,10 @@ extern const struct AVOption avoptions_workaround_bug[11];
#define INT64_MAX int64_t_C(9223372036854775807)
#endif
+#ifndef UINT64_MAX
+#define UINT64_MAX uint64_t_C(0xFFFFFFFFFFFFFFFF)
+#endif
+
#ifdef EMULATE_FAST_INT
/* note that we don't emulate 64bit ints */
typedef signed char int_fast8_t;