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local assdraw = require 'mp.assdraw'
local active = false
local cursor_position = 1
local time_scale = {60*60*10, 60*60, 60*10, 60, 10, 1, 0.1, 0.01, 0.001}
local ass_begin = mp.get_property("osd-ass-cc/0")
local ass_end = mp.get_property("osd-ass-cc/1")
local history = { {} }
for i = 1, 9 do
history[1][i] = 0
end
local history_position = 1
local timer = nil
local timer_duration = 3
function show_seeker()
local prepend_char = {'','',':','',':','','.','',''}
local str = ''
for i = 1, 9 do
str = str .. prepend_char[i]
if i == cursor_position then
str = str .. '{\\b1}' .. history[history_position][i] .. '{\\r}'
else
str = str .. history[history_position][i]
end
end
mp.osd_message("Seek to: " .. ass_begin .. str .. ass_end, timer_duration)
end
function copy_history_to_last()
if history_position ~= #history then
for i = 1, 9 do
history[#history][i] = history[history_position][i]
end
history_position = #history
end
end
function change_number(i)
if (cursor_position == 3 or cursor_position == 5) and i >= 6 then
return
end
if history[history_position][cursor_position] ~= i then
copy_history_to_last()
history[#history][cursor_position] = i
end
shift_cursor(false)
end
function shift_cursor(left)
if left then
cursor_position = math.max(1, cursor_position - 1)
else
cursor_position = math.min(cursor_position + 1, 9)
end
end
function current_time_as_sec(time)
local sec = 0
for i = 1, 9 do
sec = sec + time_scale[i] * time[i]
end
return sec
end
function time_equal(lhs, rhs)
for i = 1, 9 do
if lhs[i] ~= rhs[i] then
return false
end
end
return true
end
function seek_to()
copy_history_to_last()
mp.commandv("osd-bar", "seek", current_time_as_sec(history[history_position]), "absolute")
if #history == 1 or not time_equal(history[history_position], history[#history - 1]) then
history[#history + 1] = {}
history_position = #history
end
for i = 1, 9 do
history[#history][i] = 0
end
end
function backspace()
if cursor_position ~= 9 or current_time[9] == 0 then
shift_cursor(true)
end
if history[history_position][cursor_position] ~= 0 then
copy_history_to_last()
history[#history][cursor_position] = 0
end
end
function history_move(up)
if up then
history_position = math.max(1, history_position - 1)
else
history_position = math.min(history_position + 1, #history)
end
end
local key_mappings = {
LEFT = function() shift_cursor(true) show_seeker() end,
RIGHT = function() shift_cursor(false) show_seeker() end,
UP = function() history_move(true) show_seeker() end,
DOWN = function() history_move(false) show_seeker() end,
BS = function() backspace() show_seeker() end,
ESC = function() set_inactive() end,
ENTER = function() seek_to() set_inactive() end
}
for i = 0, 9 do
local func = function() change_number(i) show_seeker() end
key_mappings[string.format("KP%d", i)] = func
key_mappings[string.format("%d", i)] = func
end
function set_active()
if not mp.get_property("seekable") then return end
local duration = mp.get_property_number("duration")
if duration ~= nil then
for i = 1, 9 do
if duration > time_scale[i] then
cursor_position = i
break
end
end
end
for key, func in pairs(key_mappings) do
mp.add_forced_key_binding(key, "seek-to-"..key, func)
end
show_seeker()
timer = mp.add_periodic_timer(timer_duration, show_seeker)
active = true
end
function set_inactive()
mp.osd_message("")
for key, _ in pairs(key_mappings) do
mp.remove_key_binding("seek-to-"..key)
end
timer:kill()
active = false
end
mp.add_key_binding(nil, "toggle-seeker", function() if active then set_inactive() else set_active() end end)
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