ARM: NEON optimisations for some dsputil functions

NEON versions of the following functions are added:

  vector_fmul_scalar
  vector_fmul_sv_scalar
  sv_fmul_scalar
  butterflies_float

Originally committed as revision 19957 to svn://svn.ffmpeg.org/ffmpeg/trunk

1 files changed, 19 insertions, 0 deletions

diff --git a/libavcodec/arm/dsputil_neon.c b/libavcodec/arm/dsputil_neon.c
index 67315297df..03e17466b6 100644
--- a/libavcodec/arm/dsputil_neon.c
+++ b/libavcodec/arm/dsputil_neon.c
@@ -157,6 +157,17 @@ void ff_vector_fmul_neon(float *dst, const float *src, int len);
 void ff_vector_fmul_window_neon(float *dst, const float *src0,
                                 const float *src1, const float *win,
                                 float add_bias, int len);
+void ff_vector_fmul_scalar_neon(float *dst, const float *src, float mul,
+                                int len);
+void ff_vector_fmul_sv_scalar_2_neon(float *dst, const float *src,
+                                     const float **vp, float mul, int len);
+void ff_vector_fmul_sv_scalar_4_neon(float *dst, const float *src,
+                                     const float **vp, float mul, int len);
+void ff_sv_fmul_scalar_2_neon(float *dst, const float **vp, float mul,
+                              int len);
+void ff_sv_fmul_scalar_4_neon(float *dst, const float **vp, float mul,
+                              int len);
+void ff_butterflies_float_neon(float *v1, float *v2, int len);
 
 void ff_float_to_int16_neon(int16_t *, const float *, long);
 void ff_float_to_int16_interleave_neon(int16_t *, const float **, long, int);
@@ -269,6 +280,14 @@ void ff_dsputil_init_neon(DSPContext *c, AVCodecContext *avctx)
 
     c->vector_fmul = ff_vector_fmul_neon;
     c->vector_fmul_window = ff_vector_fmul_window_neon;
+    c->vector_fmul_scalar = ff_vector_fmul_scalar_neon;
+    c->butterflies_float = ff_butterflies_float_neon;
+
+    c->vector_fmul_sv_scalar[0] = ff_vector_fmul_sv_scalar_2_neon;
+    c->vector_fmul_sv_scalar[1] = ff_vector_fmul_sv_scalar_4_neon;
+
+    c->sv_fmul_scalar[0] = ff_sv_fmul_scalar_2_neon;
+    c->sv_fmul_scalar[1] = ff_sv_fmul_scalar_4_neon;
 
     if (!(avctx->flags & CODEC_FLAG_BITEXACT)) {
         c->float_to_int16 = ff_float_to_int16_neon;