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local opts = {
bars = 'brightness,contrast,gamma,saturation,hue',
draw_icons = true,
}
local msg = require 'mp.msg'
local assdraw = require 'mp.assdraw'
local options = require 'mp.options'
local utils = require 'mp.utils'
options.read_options(opts, nil, function(c)
end)
local enabled = false
local active_bars = {}
local bar_being_dragged = nil
local stale = false
function split_comma(input)
local ret = {}
for str in string.gmatch(input, "([^,]+)") do
ret[#ret + 1] = str
end
return ret
end
function get_position_normalized(x, y, bar)
return (x - bar.x) / bar.w, (y - bar.y) / bar.h
end
function handle_mouse_move()
if not bar_being_dragged then return end
local bar = bar_being_dragged
local mx, my = mp.get_mouse_pos()
local nx, _ = get_position_normalized(mx, my, bar)
nx = math.max(0, math.min(nx, 1))
local val = math.floor(nx * (bar.max_value - bar.min_value) + bar.min_value + 0.5)
mp.set_property_number(bar.property, val)
-- the observe_property call will take care of setting the value
end
function handle_mouse_left(table)
if table["event"] == "down" then
local mx, my = mp.get_mouse_pos()
for _, bar in ipairs(active_bars) do
local nx, ny = get_position_normalized(mx, my, bar)
if nx >= 0 and ny >= 0 and nx <= 1 and ny <= 1 then
bar_being_dragged = bar
local val = math.floor(nx * (bar.max_value - bar.min_value) + bar.min_value + 0.5)
mp.set_property_number(bar.property, val)
mp.add_forced_key_binding("mouse_move", "mouse_move", handle_mouse_move)
break
end
end
elseif table["event"] == "up" then
mp.remove_key_binding("mouse_move")
bar_being_dragged = nil
end
end
function property_changed(prop, val)
for _, bar in ipairs(active_bars) do
if bar.property == prop then
bar.value = val
stale = true
break
end
end
end
function idle_handler()
if not stale then return end
stale = false
local a = assdraw.ass_new()
a:new_event()
a:append(string.format('{\\an0\\bord2\\shad0\\1a&00&\\1c&%s&}', '888888'))
a:pos(0, 0)
a:draw_start()
for _, bar in ipairs(active_bars) do
a:rect_cw(bar.x, bar.y, bar.x + bar.w, bar.y + bar.h)
end
a:new_event()
a:append(string.format('{\\an0\\bord2\\shad0\\1a&00&\\1c&%s&}', 'dddddd'))
a:pos(0, 0)
a:draw_start()
for _, bar in ipairs(active_bars) do
if bar.value > bar.min_value then
local val_norm = (bar.value - bar.min_value) / (bar.max_value - bar.min_value)
a:rect_cw(bar.x, bar.y, bar.x + val_norm * bar.w, bar.y + bar.h)
end
end
for _, bar in ipairs(active_bars) do
a:new_event()
a:append("{\\an6\\fs40\\bord2}")
a:pos(bar.x - 8, bar.y + bar.h/2 - 2)
a:append(bar.property:sub(1,1):upper() .. bar.property:sub(2,-1))
end
local ww, wh = mp.get_osd_size()
mp.set_osd_ass(ww, wh, a.text)
end
function fix_position()
local ww, wh = mp.get_osd_size()
for i, bar in ipairs(active_bars) do
bar.x = ww / 5
bar.y = wh / 2 + i * 50
bar.w = ww - 2 * (ww / 5)
bar.h = 30
end
end
function dimensions_changed()
stale = true
fix_position()
end
function enable()
if enabled then return end
enabled = true
mp.add_forced_key_binding("MBTN_LEFT", "mouse_left", handle_mouse_left, {complex=true})
for i, prop in ipairs(split_comma(opts.bars)) do
local prop_info = mp.get_property_native("option-info/" .. prop)
if not prop_info then
msg.warn("Property \'" .. prop .. "\' does not exist")
elseif not prop_info.type == 'Integer' then
msg.warn("Property \'" .. prop .. "\' is not an integer")
else
mp.observe_property(prop, 'native', property_changed)
active_bars[#active_bars + 1] = {
property = prop,
value = mp.get_property_number(prop),
min_value = prop_info.min,
max_value = prop_info.max,
}
end
end
stale = true
fix_position()
mp.observe_property("osd-dimensions", "native", dimensions_changed)
mp.register_idle(idle_handler)
end
function disable()
if not enabled then return end
enabled = false
active_bars = {}
bar_being_dragged = nil
mp.remove_key_binding("mouse_left")
mp.remove_key_binding("mouse_move")
mp.unobserve_property(property_changed)
mp.unobserve_property(dimensions_changed)
mp.unregister_idle(idle_handler)
mp.set_osd_ass(1280, 720, "")
end
function toggle()
if enabled then
disable()
else
enable()
end
end
function reset()
for _, prop in ipairs(split_comma(opts.bars)) do
local prop_info = mp.get_property_native("option-info/" .. prop)
if prop_info and prop_info["default-value"] then
mp.set_property(prop_info["name"], prop_info["default-value"])
end
end
end
mp.add_key_binding(nil, "equalizer-enable", enable)
mp.add_key_binding(nil, "equalizer-disable", disable)
mp.add_key_binding(nil, "equalizer-toggle", toggle)
mp.add_key_binding(nil, "equalizer-reset", reset)
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