ref: 82231beced4945cd419efe7d6ca2f2ca5c3699d9
parent: 3119c24658810c43e887efd744593590f55abd2f
parent: 2cfddec3328e86d3901b2a26fe5c2ba882916406
author: Jingning Han <jingning@google.com>
date: Mon Mar 16 12:43:11 EDT 2015
Merge "Refactor column integral projection computation"
--- a/vp9/encoder/vp9_mcomp.c
+++ b/vp9/encoder/vp9_mcomp.c
@@ -1805,6 +1805,7 @@
MV *tmp_mv = &xd->mi[0].src_mi->mbmi.mv[0].as_mv;
unsigned int best_sad, tmp_sad, this_sad[4];
MV this_mv;
+ const int norm_factor = 3 + (bw >> 5);
#if CONFIG_VP9_HIGHBITDEPTH
tmp_mv->row = 0;
@@ -1822,7 +1823,7 @@
ref_buf = xd->plane[0].pre[0].buf - (bh >> 1) * ref_stride;
for (idx = 0; idx < search_height; ++idx) {
- vbuf[idx] = vp9_int_pro_col(ref_buf, bw);
+ vbuf[idx] = vp9_int_pro_col(ref_buf, bw) >> norm_factor;
ref_buf += ref_stride;
}
@@ -1834,7 +1835,7 @@
src_buf = x->plane[0].src.buf;
for (idx = 0; idx < bh; ++idx) {
- src_vbuf[idx] = vp9_int_pro_col(src_buf, bw);
+ src_vbuf[idx] = vp9_int_pro_col(src_buf, bw) >> norm_factor;
src_buf += src_stride;
}
--- a/vp9/encoder/x86/vp9_avg_intrin_sse2.c
+++ b/vp9/encoder/x86/vp9_avg_intrin_sse2.c
@@ -112,7 +112,6 @@
__m128i s0 = _mm_sad_epu8(src_line, zero);
__m128i s1;
int i;
- const int norm_factor = 3 + (width >> 5);
for (i = 16; i < width; i += 16) {
ref += 16;
@@ -124,7 +123,7 @@
s1 = _mm_srli_si128(s0, 8);
s0 = _mm_adds_epu16(s0, s1);
- return _mm_extract_epi16(s0, 0) >> norm_factor;
+ return _mm_extract_epi16(s0, 0);
}
int vp9_vector_var_sse2(int16_t const *ref, int16_t const *src,