From 1b59964162729e33cee49b736cddadc8d854879a Mon Sep 17 00:00:00 2001
From: Marco <marpan@google.com>
Date: Wed, 10 May 2017 09:36:10 -0700
Subject: [PATCH] vp9: Adjustment to noise estimation.

When the noise estimate is forced off due to large motion,
reset the counter and set smaller window for next estimate.

Change-Id: Ifa4ec95396134173a00d48353ad52f1b6a40c217
---
 vp9/encoder/vp9_noise_estimate.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/vp9/encoder/vp9_noise_estimate.c b/vp9/encoder/vp9_noise_estimate.c
index a84beb104..ca0873e4c 100644
--- a/vp9/encoder/vp9_noise_estimate.c
+++ b/vp9/encoder/vp9_noise_estimate.c
@@ -141,6 +141,8 @@ void vp9_update_noise_estimate(VP9_COMP *const cpi) {
              cpi->rc.avg_frame_low_motion < (low_res ? 70 : 50)) {
     // Force noise estimation to 0 and denoiser off if content has high motion.
     ne->level = kLowLow;
+    ne->count = 0;
+    ne->num_frames_estimate = 10;
 #if CONFIG_VP9_TEMPORAL_DENOISING
     if (cpi->oxcf.noise_sensitivity > 0 && denoise_svc(cpi) &&
         cpi->svc.current_superframe > 1) {