playback of FullHD (even cropped FullHD (e.g. 1920x800 per eye)) TAB 3D content with mpv

3dplay.sh

#!/bin/sh
# Detect 3D
data=$(mkvmerge -F json --identify "$1" | grep "stereo_mode" | grep -Po "\\d")
if [ 0$data -eq 3 ]; then
        echo "TAB left eye first"
        splitter='lavfi=graph="split [b], crop=h=ih/2:y=0, pad=h=1125:y=(1080-ih)/2:color=black [t]; [b] crop=h=ih/2:y=ih/2, pad=h=1080:y=(1080-ih)/2, [t] vstack"'
elif [ 0$data -eq 2 ]; then
        echo "TAB right eye first"
        splitter='lavfi=graph="stereo3d=abr:abl, split [b], crop=h=ih/2:y=0, pad=h=1125:y=(1080-ih)/2:color=black [t]; [b] crop=h=ih/2:y=ih/2, pad=h=1080:y=(1080-ih)/2, [t] vstack"'
else
        echo "StereoMode field in matroska not set or not supported format"
fi

# Change to Frame-Packing screen resolution
xrandr --newmode "1920x2205_24" 148.32 1920 2558 2602 2750 2205 2209 2214 2250 +hsync +vsync
# Maybe you have to change the HDMI output device
xrandr --addmode HDMI-0 "1920x2205_24"
xrandr --output HDMI-0 --mode "1920x2205_24"

# Play Movie, the hw1,3 is hdmi on my machine
mpv -ao=alsa:device="[hw:1,3]" -fs --video-stereo-mode=no -vf "$splitter" "$1"

# Reset TV to default vaulue (0x5a is 1920x1080 on my machine, maybe you have to change it)
xrandr --output HDMI-0 --mode 0x5a
# --mode "1920x1080@60"