From 0fb08084d720946cac64b7fd7ee68c0864c29d6a Mon Sep 17 00:00:00 2001
From: Leo Vivier <zaeph@zaeph.net>
Date: Fri, 2 Dec 2022 08:14:02 +0100
Subject: Add resolution limiter

---
 roles/prerec/templates/reencode.sh | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/roles/prerec/templates/reencode.sh b/roles/prerec/templates/reencode.sh
index e3a82eb..7ae3234 100755
--- a/roles/prerec/templates/reencode.sh
+++ b/roles/prerec/templates/reencode.sh
@@ -7,6 +7,7 @@ q=32
 cpu=4
 time_limit=""
 print_only=false
+resolution=1080
 
 while getopts :q:c:t:s OPT; do
     case $OPT in
@@ -31,8 +32,8 @@ shift `expr $OPTIND - 1`
 OPTIND=1
 
 command="$(cat<<EOF
-ffmpeg -y -i "$1" $time_limit -c:v libvpx-vp9 -b:v 0 -crf $q -an -row-mt 1 -tile-columns 2 -tile-rows 2 -cpu-used $cpu -g 240 -pass 1 -f webm -threads $cpu /dev/null &&
-    ffmpeg -y -i "$1" $time_limit -c:v libvpx-vp9 -b:v 0 -crf $q -c:a libopus -row-mt 1 -tile-columns 2 -tile-rows 2 -cpu-used $cpu -pass 2 -g 240 -threads $cpu "$2"
+ffmpeg -y -i "$1" $time_limit -vf "scale='-1':'min($resolution,ih)'" -c:v libvpx-vp9 -b:v 0 -crf $q -an -row-mt 1 -tile-columns 2 -tile-rows 2 -cpu-used $cpu -g 240 -pass 1 -f webm -threads $cpu /dev/null &&
+    ffmpeg -y -i "$1" $time_limit -vf "scale='-1':'min($resolution,ih)'" -c:v libvpx-vp9 -b:v 0 -crf $q -c:a libopus -row-mt 1 -tile-columns 2 -tile-rows 2 -cpu-used $cpu -pass 2 -g 240 -threads $cpu "$2"
 EOF
 )"
 
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