From 24a346bb505668426aa710b950c11980b17d62e2 Mon Sep 17 00:00:00 2001
From: Sacha Chua <sacha@sachachua.com>
Date: Wed, 12 Oct 2022 20:52:02 -0400
Subject: Update organizer notebook md

---
 2022/organizers-notebook.md | 58 ++++++++++++++++++++++++++++++++++++++++++---
 1 file changed, 55 insertions(+), 3 deletions(-)

(limited to '2022/organizers-notebook.md')

diff --git a/2022/organizers-notebook.md b/2022/organizers-notebook.md
index b397ce01..630104dc 100644
--- a/2022/organizers-notebook.md
+++ b/2022/organizers-notebook.md
@@ -561,14 +561,26 @@ Where should we host this?
 
 [Ansible notes](#ansible)
 
+Consider if we need extra scaling beyond being on a beefy live0?
+<https://mclear.co.uk/2021/09/08/deploying-etherpad-at-scale-in-one-minute/>
+<https://github.com/ether/etherpad-load-test>
+
+etherpad-load-test: 1GB nanode, 42 clients connected (11 authors, 31 lurkers)
+Will need to try this again with a bigger node
+
 
 ### DONE Use the API to create pages based on all the slugs
 
 
-### TODO Figure out monitoring; maybe get everything daily and commit to git repo?
+### CANCELLED Figure out monitoring; maybe get everything daily and commit to git repo?
+
+History or regeneration will be fine. We'll probably link to it shortly before the event, and we can also turn off the service until we're ready.
 
 
-### TODO Generate talk-specific pad content
+### DONE Generate talk-specific pad content
+
+
+### TODO Set up nginx reverse proxy
 
 
 ### TODO Link to pad from talk page
@@ -1454,6 +1466,46 @@ Usage: `compress-video.sh original-file output-file`:
 
 We tried using q56 before, but it was a little too aggressive. Q=32 is the default and is probably a reasonable space vs. quality compromise.
 
+2020 version used with parallel
+
+    Q=$1
+    WIDTH=1280
+    HEIGHT=720
+    AUDIO_RATE=48000
+    VIDEO_FILTER="scale=w=${WIDTH}:h=${HEIGHT}:force_original_aspect_ratio=1,pad=${WIDTH}:${HEIGHT}:(ow-iw)/2:(oh-ih)/2,fps=25,colorspace=all=bt709:iall=bt601-6-625:fast=1"
+    FILE=$2
+    SUFFIX=$Q
+    shift
+    shift
+    if [ ! -f $FILE ]; then
+        wget https://mirror.csclub.uwaterloo.ca/emacsconf/2020/$FILE
+    fi
+    ffmpeg -y -i "$FILE"  -pixel_format yuv420p -vf $VIDEO_FILTER -colorspace 1 -color_primaries 1 -color_trc 1 -c:v libvpx-vp9 -b:v 0 -crf $Q -aq-mode 2 -tile-columns 0 -tile-rows 0 -frame-parallel 0 -cpu-used 8 -auto-alt-ref 1 -lag-in-frames 25 -g 240 -pass 1 -f webm -an -threads 8 /dev/null &&
+    if [[ $FILE =~ "webm" ]]; then
+        ffmpeg -y -i "$FILE" $*  -pixel_format yuv420p -vf $VIDEO_FILTER -colorspace 1 -color_primaries 1 -color_trc 1 -c:v libvpx-vp9 -b:v 0 -crf $Q -tile-columns 2 -tile-rows 2 -frame-parallel 0 -cpu-used -5 -auto-alt-ref 1 -lag-in-frames 25 -pass 2 -g 240 -ac 2 -threads 8 -c:a copy "${FILE%.*}--compressed$SUFFIX.webm"
+    else
+        ffmpeg -y -i "$FILE" $*  -pixel_format yuv420p -vf $VIDEO_FILTER -colorspace 1 -color_primaries 1 -color_trc 1 -c:v libvpx-vp9 -b:v 0 -crf $Q -tile-columns 2 -tile-rows 2 -frame-parallel 0 -cpu-used -5 -auto-alt-ref 1 -lag-in-frames 25 -pass 2 -g 240 -ac 2 -threads 8 -c:a libvorbis "${FILE%.*}--compressed$SUFFIX.webm"
+    fi
+    rm $FILE
+
+2022 version used with parallel to compress low version
+
+    Q=$1
+    WIDTH=1280
+    HEIGHT=720
+    AUDIO_RATE=48000
+    VIDEO_FILTER="scale=w=${WIDTH}:h=${HEIGHT}:force_original_aspect_ratio=1,pad=${WIDTH}:${HEIGHT}:(ow-iw)/2:(oh-ih)/2,fps=25,colorspace=all=bt709:iall=bt601-6-625:fast=1"
+    FILE=$2
+    SUFFIX=$Q
+    shift
+    shift
+    ffmpeg -y -i "$FILE"  -pixel_format yuv420p -vf $VIDEO_FILTER -colorspace 1 -color_primaries 1 -color_trc 1 -c:v libvpx-vp9 -b:v 0 -crf $Q -aq-mode 2 -tile-columns 0 -tile-rows 0 -frame-parallel 0 -cpu-used 8 -auto-alt-ref 1 -lag-in-frames 25 -g 240 -pass 1 -f webm -an -threads 8 /dev/null &&
+    if [[ $FILE =~ "webm" ]]; then
+        ffmpeg -y -i "$FILE" $*  -pixel_format yuv420p -vf $VIDEO_FILTER -colorspace 1 -color_primaries 1 -color_trc 1 -c:v libvpx-vp9 -b:v 0 -crf $Q -tile-columns 2 -tile-rows 2 -frame-parallel 0 -cpu-used -5 -auto-alt-ref 1 -lag-in-frames 25 -pass 2 -g 240 -ac 2 -threads 8 -c:a copy "${FILE%.*}--compressed$SUFFIX.webm"
+    else
+        ffmpeg -y -i "$FILE" $*  -pixel_format yuv420p -vf $VIDEO_FILTER -colorspace 1 -color_primaries 1 -color_trc 1 -c:v libvpx-vp9 -b:v 0 -crf $Q -tile-columns 2 -tile-rows 2 -frame-parallel 0 -cpu-used -5 -auto-alt-ref 1 -lag-in-frames 25 -pass 2 -g 240 -ac 2 -threads 8 -c:a libvorbis "${FILE%.*}--compressed$SUFFIX.webm"
+    fi
+
 
 <a id="when-captioned"></a>
 
@@ -1945,7 +1997,7 @@ Probably focus on grabbing the audio first and seeing what's worth keeping
 
 Make a table of the form
 
-<table id="org91c334d" border="2" cellspacing="0" cellpadding="6" rules="groups" frame="hsides">
+<table id="orga97a7f5" border="2" cellspacing="0" cellpadding="6" rules="groups" frame="hsides">
 
 
 <colgroup>
-- 
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