Draws a Black Box Overtop of a Twitch Stream

twitchIINABlackBox.sh

#!/bin/bash
# twitchIINABlackBox playirresponsibly bottom-left 600 400 0 20
# twitchIINABlackBox chess24 bottom-left 800 110 580 0

if [[ "$1" == *"twitch.tv"* ]]; then
	url="$1"
else
	url="https://twitch.tv/$1"
fi

POSITION="$2"
X_SIZE="$3"
Y_SIZE="$4"
X_OFFSET="${5:-0}"
Y_OFFSET="${6:-0}"

# Create a PNG image with the black box
convert -size ${X_SIZE}x${Y_SIZE} xc:black black_box.png

X=0
Y=0
case "$POSITION" in
	"top-left")
		X=$X_OFFSET
		Y=$Y_OFFSET
		;;
	"top-right")
		X="main_w-$X_SIZE-$X_OFFSET" # Subtract X offset here
		Y=$Y_OFFSET
		;;
	"bottom-left")
		X=$X_OFFSET
		Y="main_h-$Y_SIZE-$Y_OFFSET" # Subtract Y offset here
		;;
	"bottom-right")
		X="main_w-$X_SIZE-$X_OFFSET" # Subtract X offset here
		Y="main_h-$Y_SIZE-$Y_OFFSET" # Subtract Y offset here
		;;
	*)
		echo "Invalid position. Use top-left, top-right, bottom-left, or bottom-right."
		exit 1
		;;
esac

# yt-dlp \
# --cookies="/Users/morpheous/Library/CloudStorage/Dropbox/Misc/Cookies/twitch_youtube.txt" \
# -q -o - "$url" | ffmpeg -i - -i black_box.png -filter_complex "[0:v][1:v]overlay=$X:$Y" -c:v libx264 -c:a copy -f mpegts - | /Applications/IINA.app/Contents/MacOS/iina-cli --stdin

# fast encoding preset
yt-dlp \
--cookies="/Users/morpheous/Library/CloudStorage/Dropbox/Misc/Cookies/twitch_youtube.txt" \
-q -o - "$url" | ffmpeg -i - -i black_box.png -filter_complex "[0:v][1:v]overlay=$X:$Y" -c:v libx264 -preset ultrafast -c:a copy -f mpegts - | /Applications/IINA.app/Contents/MacOS/iina-cli --stdin

rm black_box.png