commit d549aa3b175015d865a6fc050b4b18942e4c3713
author Yaowu Xu <yaowu@google.com> Tue Mar 10 19:06:52 2015 -0700
committer Yaowu Xu <yaowu@google.com> Tue Mar 10 19:06:52 2015 -0700
tree 65e419ef17d98a5cb626e2ce1a1d5965d7a21a5f
parent 3e637a70dab1ddead4ba14caeb8f840a47a256ca

Separate rd_thresh adaption by ref_frame

Only update the rd_thresh factors for modes sharing same reference
frame. This helps overall compression of 6 and 7 by .13% and .19%
respectively without any noticeable speed difference.

Change-Id: Idb3a3879512c5d7d0880034516079949290690c5

vp9/encoder/vp9_pickmode.c

diff --git a/vp9/encoder/vp9_pickmode.c b/vp9/encoder/vp9_pickmode.c
index dedec5f..6c2576a 100644
--- a/vp9/encoder/vp9_pickmode.c
+++ b/vp9/encoder/vp9_pickmode.c
@@ -1052,6 +1052,7 @@
         mode_idx[INTRA_FRAME][mbmi->mode];
     PREDICTION_MODE this_mode;
     for (ref_frame = LAST_FRAME; ref_frame <= GOLDEN_FRAME; ++ref_frame) {
+      if (best_ref_frame != ref_frame) continue;
       for (this_mode = NEARESTMV; this_mode <= NEWMV; ++this_mode) {
         THR_MODES thr_mode_idx = mode_idx[ref_frame][INTER_OFFSET(this_mode)];
         int *freq_fact = &tile_data->thresh_freq_fact[bsize][thr_mode_idx];