From: Marco Paniconi <marpan@google.com>
Date: Wed, 2 Apr 2014 18:03:27 +0000 (-0700)
Subject: Set min_block_size for aq_mode=3 to 8x8.
X-Git-Tag: v1.4.0~1915^2
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=36f61aa836665f257f8a2eb0d1af9b9fb9648451;p=libvpx

Set min_block_size for aq_mode=3 to 8x8.

For real-time mode under cbr, this increases the gain (5-10%)
for speed 5 (none/little change for 6), on vc-clips.

Change-Id: I9b38beeb3c820de22c43a0ba53a9456168dd24ba
---

diff --git a/vp9/encoder/vp9_aq_cyclicrefresh.c b/vp9/encoder/vp9_aq_cyclicrefresh.c
index 1d272e1d9..2e1b4ef5f 100644
--- a/vp9/encoder/vp9_aq_cyclicrefresh.c
+++ b/vp9/encoder/vp9_aq_cyclicrefresh.c
@@ -204,7 +204,7 @@ void vp9_cyclic_refresh_setup(VP9_COMP *const cpi) {
     // Some of these parameters may be set via codec-control function later.
     cr->max_sbs_perframe = 10;
     cr->max_qdelta_perc = 50;
-    cr->min_block_size = BLOCK_16X16;
+    cr->min_block_size = BLOCK_8X8;
     cr->time_for_refresh = 1;
     // Set rate threshold to some fraction of target (and scaled by 256).
     cr->thresh_rate_sb = (rc->sb64_target_rate * 256) >> 2;