float_dsp: Move vector_fmac_scalar() from libavcodec to libavutil

1 files changed, 16 insertions, 0 deletions

diff --git a/libavutil/float_dsp.h b/libavutil/float_dsp.h
index 30161a252b..4e266304da 100644
--- a/libavutil/float_dsp.h
+++ b/libavutil/float_dsp.h
@@ -35,6 +35,22 @@ typedef struct AVFloatDSPContext {
      */
     void (*vector_fmul)(float *dst, const float *src0, const float *src1,
                         int len);
+
+    /**
+     * Multiply a vector of floats by a scalar float and add to
+     * destination vector.  Source and destination vectors must
+     * overlap exactly or not at all.
+     *
+     * @param dst result vector
+     *            constraints: 16-byte aligned
+     * @param src input vector
+     *            constraints: 16-byte aligned
+     * @param mul scalar value
+     * @param len length of vector
+     *            constraints: multiple of 4
+     */
+    void (*vector_fmac_scalar)(float *dst, const float *src, float mul,
+                               int len);
 } AVFloatDSPContext;
 
 /**