ref: 88862c0454dd1c39788c9c397bd57f2ecb7f55af
parent: 005552639b276709868a4a0f86f27a737c7c6917
author: Yaowu Xu <yaowu@google.com>
date: Tue Mar 12 12:49:15 EDT 2013
put refmvselection under experiment and turn the experiment off by default. Change-Id: If9e684aa6cc49eacd39f36645a110a447e38d2de
--- a/configure
+++ b/configure
@@ -246,6 +246,7 @@
enable_6tap
abovesprefmv
code_nonzerocount
+ useselectrefmv
"
CONFIG_LIST="
external_build
--- a/vp9/common/vp9_findnearmv.c
+++ b/vp9/common/vp9_findnearmv.c
@@ -118,10 +118,12 @@
return vp9_variance2x16_c(temp2, 2, dst_ptr, dst_pixels_per_line, sse);
}
+#if CONFIG_USESELECTREFMV
/* check a list of motion vectors by sad score using a number rows of pixels
* above and a number cols of pixels in the left to select the one with best
* score to use as ref motion vector
*/
+
void vp9_find_best_ref_mvs(MACROBLOCKD *xd,
uint8_t *ref_y_buffer,
int ref_y_stride,
@@ -298,3 +300,20 @@
// Copy back the re-ordered mv list
vpx_memcpy(mvlist, sorted_mvs, sizeof(sorted_mvs));
}
+#else
+void vp9_find_best_ref_mvs(MACROBLOCKD *xd,
+ uint8_t *ref_y_buffer,
+ int ref_y_stride,
+ int_mv *mvlist,
+ int_mv *nearest,
+ int_mv *near) {+ int i;
+ // Make sure all the candidates are properly clamped etc
+ for (i = 0; i < MAX_MV_REF_CANDIDATES; ++i) {+ lower_mv_precision(&mvlist[i], xd->allow_high_precision_mv);
+ clamp_mv2(&mvlist[i], xd);
+ }
+ *nearest = mvlist[0];
+ *near = mvlist[1];
+}
+#endif