1 files changed, 9 insertions, 0 deletions
diff --git a/libavutil/float_dsp.c b/libavutil/float_dsp.c
index 87cfd88268..f5a8360c86 100644
--- a/libavutil/float_dsp.c
+++ b/libavutil/float_dsp.c
@@ -31,9 +31,18 @@ static void vector_fmul_c(float *dst, const float *src0, const float *src1,
         dst[i] = src0[i] * src1[i];
 }
 
+static void vector_fmac_scalar_c(float *dst, const float *src, float mul,
+                                 int len)
+{
+    int i;
+    for (i = 0; i < len; i++)
+        dst[i] += src[i] * mul;
+}
+
 void avpriv_float_dsp_init(AVFloatDSPContext *fdsp, int bit_exact)
 {
     fdsp->vector_fmul = vector_fmul_c;
+    fdsp->vector_fmac_scalar = vector_fmac_scalar_c;
 
 #if ARCH_ARM
     ff_float_dsp_init_arm(fdsp);