From 0486aef300c65941284fb1eaf5c392233cb48103 Mon Sep 17 00:00:00 2001
From: Jonas Smedegaard <dr@jones.dk>
Date: Fri, 5 Feb 2021 21:28:45 +0100
Subject: fix adjust vp8/vp9 default settings, and use Constrained Quality+VBV
 by default (not VBR)

---
 localvideowebencode | 13 +++++++------
 1 file changed, 7 insertions(+), 6 deletions(-)

diff --git a/localvideowebencode b/localvideowebencode
index 6835515..1966207 100755
--- a/localvideowebencode
+++ b/localvideowebencode
@@ -157,11 +157,12 @@ stillframe=0
 samplestart=0
 samplelength=150
 compression=normal
+
 # VP8 is rumored to compress ~20% worse than H.264
 factor_vp8=120/100
-# VP9 compresses natural video ~27% worse than H.264 (i.e. excluding animation)
-# <http://infoscience.epfl.ch/record/200925/files/article-vp9-submited-v2.pdf>
-factor_vp9=127/100
+# VP9 compresses ~30% better than H.264 for practical use-cases
+# <https://engineering.fb.com/2018/04/10/video-engineering/av1-beats-x264-and-libvpx-vp9-in-practical-use-case/>
+factor_vp9=70/100
 # Mimic ReplayGain level when loudness is enabled (EBU R128: -23LUFS)
 # <https://auphonic.com/blog/2013/01/07/loudness-targets-mobile-audio-podcasts-radio-tv/>
 lufs=-18
@@ -233,10 +234,10 @@ qkey_vp8=crf
 qkey_vp9=crf
 qkey_h264=crf
 q_theora=5
-#q_vp8=10
+q_vp8=33
 cpu_vp8=2
-#q_vp9=10
-cpu_vp9=5
+q_vp9=33
+cpu_vp9=2
 q_h264=23
 preset_h264=medium
 profile_vp8=0
-- 
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