commit 3b407ff9a4ba526e8d4eddfb09bd748a9baa7df9
author Ilya Nikolaevskiy <ilnik@webrtc.org> Mon Aug 26 14:16:15 2019 +0200
committer Commit Bot <commit-bot@chromium.org> Mon Aug 26 12:57:59 2019 +0000
tree 3f825c39c0f32df3027347e7a87b731bda2c8f67
parent 4869bd6309bbe2e9e038451e9549f5a9d12e4a38

Tune qp threshold for VP9 blocky video

Tested with video_loopback and hardcoded encoder qp. VP9 returns values
in range 1-255.

Bug: webrtc:9295
Change-Id: Ia5f98494c013a879de6fc3125bdcd6f4180150b5
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/150527
Reviewed-by: Erik Språng <sprang@webrtc.org>
Commit-Queue: Ilya Nikolaevskiy <ilnik@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#28958}

video/video_quality_observer.cc

diff --git a/video/video_quality_observer.cc b/video/video_quality_observer.cc
index 9f06923..be7b08c 100644
--- a/video/video_quality_observer.cc
+++ b/video/video_quality_observer.cc
@@ -31,7 +31,7 @@
     960 * 540;  // CPU-adapted HD still counts.
 constexpr int kPixelsInMediumResolution = 640 * 360;
 constexpr int kBlockyQpThresholdVp8 = 70;
-constexpr int kBlockyQpThresholdVp9 = 60;  // TODO(ilnik): tune this value.
+constexpr int kBlockyQpThresholdVp9 = 180;
 constexpr int kMaxNumCachedBlockyFrames = 100;
 // TODO(ilnik): Add H264/HEVC thresholds.
 }  // namespace