1 files changed, 16 insertions, 0 deletions
diff --git a/libavutil/half2float.h b/libavutil/half2float.h
index 428a27a19f..dbd5e7150f 100644
--- a/libavutil/half2float.h
+++ b/libavutil/half2float.h
@@ -20,22 +20,38 @@
 #define AVUTIL_HALF2FLOAT_H
 
 #include <stdint.h>
+#include "intfloat.h"
+
+#include "config.h"
 
 typedef struct Half2FloatTables {
+#if HAVE_FAST_FLOAT16
+    uint8_t dummy;
+#else
     uint32_t mantissatable[3072];
     uint32_t exponenttable[64];
     uint16_t offsettable[64];
+#endif
 } Half2FloatTables;
 
 void ff_init_half2float_tables(Half2FloatTables *t);
 
 static inline uint32_t half2float(uint16_t h, const Half2FloatTables *t)
 {
+#if HAVE_FAST_FLOAT16
+    union {
+        _Float16 f;
+        uint16_t i;
+    } u;
+    u.i = h;
+    return av_float2int(u.f);
+#else
     uint32_t f;
 
     f = t->mantissatable[t->offsettable[h >> 10] + (h & 0x3ff)] + t->exponenttable[h >> 10];
 
     return f;
+#endif
 }
 
 #endif /* AVUTIL_HALF2FLOAT_H */