1 files changed, 77 insertions, 0 deletions
diff --git a/vp8/encoder/variance_c.c b/vp8/encoder/variance_c.c
index cbe2a51d6..a66c80b80 100644
--- a/vp8/encoder/variance_c.c
+++ b/vp8/encoder/variance_c.c
@@ -508,3 +508,80 @@ unsigned int vp8_sub_pixel_variance8x16_c
 
   return vp8_variance8x16_c(temp2, 8, dst_ptr, dst_pixels_per_line, sse);
 }
+#if CONFIG_NEWBESTREFMV
+unsigned int vp8_variance2x16_c(
+  const unsigned char *src_ptr,
+  const int  source_stride,
+  const unsigned char *ref_ptr,
+  const int  recon_stride,
+  unsigned int *sse) {
+  unsigned int var;
+  int avg;
+
+  variance(src_ptr, source_stride, ref_ptr, recon_stride, 2, 16, &var, &avg);
+  *sse = var;
+  return (var - ((avg * avg) >> 5));
+}
+
+unsigned int vp8_variance16x2_c(
+  const unsigned char *src_ptr,
+  const int  source_stride,
+  const unsigned char *ref_ptr,
+  const int  recon_stride,
+  unsigned int *sse) {
+  unsigned int var;
+  int avg;
+
+  variance(src_ptr, source_stride, ref_ptr, recon_stride, 16, 2, &var, &avg);
+  *sse = var;
+  return (var - ((avg * avg) >> 5));
+}
+
+unsigned int vp8_sub_pixel_variance16x2_c
+(
+  const unsigned char  *src_ptr,
+  const int  src_pixels_per_line,
+  const int  xoffset,
+  const int  yoffset,
+  const unsigned char *dst_ptr,
+  const int dst_pixels_per_line,
+  unsigned int *sse
+) {
+  unsigned short FData3[16 * 3];  // Temp data bufffer used in filtering
+  unsigned char  temp2[20 * 16];
+  const short *HFilter, *VFilter;
+
+  HFilter = vp8_bilinear_filters[xoffset];
+  VFilter = vp8_bilinear_filters[yoffset];
+
+  var_filter_block2d_bil_first_pass(src_ptr, FData3,
+                                    src_pixels_per_line, 1, 3, 16, HFilter);
+  var_filter_block2d_bil_second_pass(FData3, temp2, 16, 16, 2, 16, VFilter);
+
+  return vp8_variance16x2_c(temp2, 16, dst_ptr, dst_pixels_per_line, sse);
+}
+
+unsigned int vp8_sub_pixel_variance2x16_c
+(
+  const unsigned char  *src_ptr,
+  const int  src_pixels_per_line,
+  const int  xoffset,
+  const int  yoffset,
+  const unsigned char *dst_ptr,
+  const int dst_pixels_per_line,
+  unsigned int *sse
+) {
+  unsigned short FData3[2 * 17];  // Temp data bufffer used in filtering
+  unsigned char  temp2[2 * 16];
+  const short *HFilter, *VFilter;
+
+  HFilter = vp8_bilinear_filters[xoffset];
+  VFilter = vp8_bilinear_filters[yoffset];
+
+  var_filter_block2d_bil_first_pass(src_ptr, FData3,
+                                    src_pixels_per_line, 1, 17, 2, HFilter);
+  var_filter_block2d_bil_second_pass(FData3, temp2, 2, 2, 16, 2, VFilter);
+
+  return vp8_variance2x16_c(temp2, 2, dst_ptr, dst_pixels_per_line, sse);
+}
+#endif