PiP keybinds for Jellyfin MPV Shim

pip_toggle.lua

local mp = require "mp"

local pip_enabled = mp.get_property_bool("ontop", false)

-- The corner that most recently enabled PiP
local active_geometry = nil

local function set_window_state(enabled, geometry)
    pip_enabled = enabled

    mp.set_property_bool("ontop", enabled)
    mp.set_property_bool("border", not enabled)

    if geometry then
		mp.set_property("geometry", geometry)
    end
end

-- The same corner undoes its own action
-- Another corner repositions and enables PiP
local function toggle_corner(geometry)
    if pip_enabled and active_geometry == geometry then
        active_geometry = nil
        set_window_state(false, geometry)
    else
        active_geometry = geometry
        set_window_state(true, geometry)
    end
end

local function toggle_in_place()
    if pip_enabled then
        set_window_state(false, active_geometry)
        active_geometry = nil
    else
        active_geometry = nil
        set_window_state(true, nil)
    end
end

mp.add_forced_key_binding("Ctrl+KP7", "pip_top_left", function()
    toggle_corner("0:0")
end)

mp.add_forced_key_binding("Ctrl+KP9", "pip_top_right", function()
    toggle_corner("100%:0")
end)

mp.add_forced_key_binding("Ctrl+KP1", "pip_bottom_left", function()
    toggle_corner("0:100%")
end)

mp.add_forced_key_binding("Ctrl+KP3", "pip_bottom_right", function()
    toggle_corner("100%:100%")
end)

mp.add_forced_key_binding("Ctrl+KP5", "pip_toggle", toggle_in_place)