From: Marco Paniconi <marpan@google.com>
Date: Sat, 23 Feb 2019 04:02:27 +0000 (-0800)
Subject: vp9-rtc: Decrease noise estimation thresh for kLow
X-Git-Tag: v1.8.1~231
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=d2fb6a1785f21cc4a460adf419548c04bbf0f3d0;p=platform%2Fupstream%2Flibvpx.git

vp9-rtc: Decrease noise estimation thresh for kLow

Increases denoising for noisy content.

Change-Id: Iff8573f8dca7b177ef53ee6682d691e6cd8e2740
---

diff --git a/vp9/encoder/vp9_noise_estimate.c b/vp9/encoder/vp9_noise_estimate.c
index fdafefd..9a6535d 100644
--- a/vp9/encoder/vp9_noise_estimate.c
+++ b/vp9/encoder/vp9_noise_estimate.c
@@ -97,7 +97,7 @@ NOISE_LEVEL vp9_noise_estimate_extract_level(NOISE_ESTIMATE *const ne) {
   } else {
     if (ne->value > ne->thresh)
       noise_level = kMedium;
-    else if (ne->value > ((9 * ne->thresh) >> 4))
+    else if (ne->value > (ne->thresh >> 1))
       noise_level = kLow;
     else
       noise_level = kLowLow;