@if "%~1"=="" if not exist "%APPDATA%\Microsoft\Windows\SendTo\MPV [ I ].lnk" shortcut.exe /f:"%APPDATA%\Microsoft\Windows\SendTo\MPV [ I ].lnk" /a:c /t:"%~dpnx0" /i:"%SystemRoot%\System32\SHELL32.dll,254" /d:"MPV split view" /r:7 >nul
@if not "%~1"=="" start "" "%~dp0mpv.exe" "%~1" -external-file="%~2" -lavfi-complex="[vid2][vid1]scale2ref=w=iw:h=ow/mdar:flags=neighbor[vv2][vv1]; [vv2]crop=iw*0.5:ih:iw*0.5:0:0[vv4]; [vv1][vv4] overlay=x=W*0.5:y=(H-h)/2, drawbox=width=2:height=ih:x=iw*0.5-1:color=#888888:thickness=fill:replace=1[vo]"

function split()
prc = ( mp.get_mouse_pos() / mp.get_property_number("osd-dimensions/w") - 0.5 ) * mp.get_property_number("osd-dimensions/w")/mp.get_property_number("osd-dimensions/h")/mp.get_property("width")*mp.get_property("height") + 0.5
if prc>0.97 or prc<0.03 then prc = 0.5 end
prm = string.format("%.4f",prc)
fltr = "[vid2][vid1]scale2ref=w=iw:h=ow/mdar:flags=neighbor[vv2][vv1]; [vv2]crop=iw*(1-".. prm .. "):ih:iw*".. prm .. ":0[vv4]; [vv1][vv4] overlay=x=W*".. prm .. ":y=(H-h)/2,drawbox=width=2:height=ih:x=iw*".. prm .. "-1:color=#888888:thickness=fill[vo]"
--~ mp.osd_message(fltr,99)
mp.set_property('options/lavfi-complex',fltr)
end

mp.add_key_binding("Shift+MBTN_LEFT",split,{ repeatable = false })