From 5d701682fa1481f60f72fe9a8b73d0fbcb239c9d Mon Sep 17 00:00:00 2001
From: xfnw <xfnw@riseup.net>
Date: Sat, 1 Jan 2022 12:57:33 -0500
Subject: [PATCH] vhsify scale to 4:3

---
 .zshrc | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/.zshrc b/.zshrc
index 495a710..d6a2bc0 100644
--- a/.zshrc
+++ b/.zshrc
@@ -13,7 +13,7 @@ plot() { cat /dev/stdin > /tmp/plotuwu; gnuplot -p -e 'set object rectangle from
 smoothplot() { cat /dev/stdin > /tmp/plotuwu; gnuplot -p -e 'set object rectangle from screen 0,0 to screen 1,1 behind fillcolor rgb "black" fillstyle solid noborder; set border lw 3 lc rgb "white"; set xtics textcolor rgb "white"; set xlabel "X" textcolor rgb "white"; set ylabel "Y" textcolor rgb "white"; set key textcolor rgb "white"; plot for [col=1:'$1'] "/tmp/plotuwu" using 0:col smooth cspline title "'$3'" with '$2' lw 2 pt 7' ; }
 
 calcpi() { echo "scale=$1; 16*a(1/5)-4*a(1/239)" | bc -l ; }
-vhsify() { ffmpeg -i "$1" -vf fps=24,convolution="-2 -1 0 -1 1 1 0 1 2:-2 -1 0 -1 1 1 0 1 2:-2 -1 0 -1 1 1 0 1 2:-2 -1 0 -1 1 1 0 1 2",curves="0/0 0.5/0.58 1/1",rgbashift=rh=-2:gh=2 -c:a copy "$2" }
+vhsify() { ffmpeg -i "$1" -vf fps=24,scale="(iw*sar)*max(640/(iw*sar)\,480/ih):ih*max(640/(iw*sar)\,480/ih)",crop=640:480,setsar=1:1,convolution="-2 -1 0 -1 1 1 0 1 2:-2 -1 0 -1 1 1 0 1 2:-2 -1 0 -1 1 1 0 1 2:-2 -1 0 -1 1 1 0 1 2",curves="0/0 0.5/0.58 1/1",rgbashift=rh=-1:gh=1 -preset ultrafast -c:a copy "$2" }
 
 base58gen() { echo $(base64 /dev/urandom | tr -d "\n/+Il0O$2" | head -c ${$(($1/5.*8+1))%.*}) }