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autospeedwin.lua
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autospeedwin.lua
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--[[
See script details on https://github.com/kevinlekiller/mpv_scripts
Valid --script-opts are (they are all optional):
autospeed-nircmd=false true/false - Use nircmd to change the refresh rate of your monitor.
autospeed-speed=false true/false - Adjust speed of the video?.
autospeed-nircmdc="nircmdc" String - Path to nircmdc executable file. If not set, nircmdc will be searched in Windows PATH variable.
autospeed-monitor=0 Number - Which monitor (display) to set the refresh rate on.
autospeed-dwidth=1920 Number - Display width.
autospeed-dheight=1080 Number - Display height.
autospeed-bdepth=32 Number - Display bit depth.
autospeed-rates="60" String - String of refresh rates your monitor supports and you want to use, separated by semicolons.
Nircmd seems to prefer rounded numbers, 72 instead of 71.92 for example.
Examples: autospeed-rates="60" | autospeed-rates="50;60;72"
Note if you want a rate to be prefered over another, for example the video is 24hz
and your rates are "100;120;144", but you want 144hz instead of 120hz for 24fps videos, change the
order to autospeed-rates="100;144;120", then 144hz will take precendence over 120hz.
autospeed-exitrate=60 Number - Which refresh rate to set when exiting mpv. Set to 0 to ignore.
autospeed-minspeed=0.9 Number - Minimum allowable speed to play video at.
autospeed-maxspeed=1.1 Number - Maximum allowable speed to play video at.
autospeed-osd=true true/false - Enable OSD.
autospeed-osdtime=10 Number - How many seconds the OSD will be shown.
autospeed-osdkey=y - Key to press to show the OSD.
autospeed-estfps=false true/false - Calculate/change speed if a video has a variable fps at the cost of higher CPU usage (most videos have a fixed fps).
autospeed-spause true/false - Pause video while switching display modes.
Number - If you set this a number, it will pause for that amount of seconds.
Example: mpv file.mkv --script-opts=autospeed-nircmd=true,autospeed-minspeed=0.8
--]]
--[[
Copyright (C) 2016-2017 kevinlekiller
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 2
of the License, or (at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
https://www.gnu.org/licenses/gpl-2.0.html
--]]
local _global = {
osd_start = mp.get_property_osd("osd-ass-cc/0"),
osd_end = mp.get_property_osd("osd-ass-cc/1"),
utils = require 'mp.utils',
rateCache = {},
lastDrr = 0,
speedCache = {},
next = next,
}
function round(number)
return math.floor(number + 0.5)
end
function osdEcho()
if (_global.options["osd"] ~= true) then
return
end
setOSD()
if (_global.temp["output"] ~= nil) then
mp.osd_message(_global.temp["output"], _global.options["osdtime"])
end
end
function getOptions()
_global.options = {
["nircmd"] = false,
["speed"] = false,
["nircmdc"] = "nircmdc",
["monitor"] = 0,
["dwidth"] = 1920,
["dheight"] = 1080,
["bdepth"] = 32,
["rates"] = "",
["exitrate"] = 0,
["minspeed"] = 0.9,
["maxspeed"] = 1.1,
["osd"] = false,
["osdtime"] = 10,
["osdkey"] = "y",
["estfps"] = false,
["spause"] = 0,
}
for key, value in pairs(_global.options) do
local opt = mp.get_opt("autospeed-" .. key)
if (opt ~= nil) then
if ((key == "nircmd" or key == "speed" or key == "osd" or key == "estfps") and opt == "true") then
_global.options[key] = true
elseif (key == "minspeed" or key == "maxspeed" or key == "osdtime" or key == "monitor" or key == "dwidth" or key == "dheight" or key == "bdepth" or key == "exitrate" or key == "spause") then
local test = tonumber(opt)
if (test ~= nil) then
_global.options[key] = test
end
else
_global.options[key] = opt
end
end
end
end
getOptions()
function main(name, fps)
if (fps == nil) then
return
end
_global.temp["fps"] = fps
findRefreshRate()
determineSpeed()
if (_global.options["speed"] == true and _global.temp["speed"] >= _global.options["minspeed"] and _global.temp["speed"] <= _global.options["maxspeed"]) then
mp.set_property_number("speed", _global.temp["speed"])
else
_global.temp["speed"] = _global.confSpeed
end
end
function setOSD()
_global.temp["output"] = (_global.osd_start ..
"{\\b1}Original monitor refresh rate{\\b0}\\h\\h" .. _global.temp["start_drr"] .. "Hz\\N" ..
"{\\b1}Current monitor refresh rate{\\b0}\\h\\h" .. _global.temp["drr"] .. "Hz\\N" ..
"{\\b1}Original video fps{\\b0}\\h\\h\\h\\h\\h\\h\\h\\h\\h\\h\\h\\h\\h\\h\\h\\h\\h\\h\\h\\h\\h" .. _global.temp["fps"] .. "fps\\N" ..
"{\\b1}Current video fps{\\b0}\\h\\h\\h\\h\\h\\h\\h\\h\\h\\h\\h\\h\\h\\h\\h\\h\\h\\h\\h\\h\\h" .. (_global.temp["fps"] * _global.temp["speed"]) .. "fps\\N" ..
"{\\b1}Original mpv speed setting{\\b0}\\h\\h\\h\\h\\h\\h" .. _global.confSpeed .. "x\\N" ..
"{\\b1}Current mpv speed setting{\\b0}\\h\\h\\h\\h\\h\\h" .. _global.temp["speed"] .. "x" ..
_global.osd_end
)
end
function determineSpeed()
local id = _global.temp["drr"] .. _global.temp["fps"]
if (_global.speedCache[id] ~= nil) then
_global.temp["speed"] = _global.speedCache[id]
return
end
if (_global.temp["drr"] > _global.temp["fps"]) then
local difference = (_global.temp["drr"] / _global.temp["fps"])
if (difference >= 2) then
-- fps = 24fps, drr = 60hz
-- difference = 60hz/24fps = 3 rounded
-- 24fps * 3 = 72fps
-- 60hz / 72fps = 0.833333333333 speed
-- 72fps * 0.833333333333 = 60fps
_global.temp["speed"] = (_global.temp["drr"] / (_global.temp["fps"] * round(difference)))
else
-- fps = 50fps, drr = 60hz
-- 60hz / 50fps = 1.2 speed
-- 50fps * 1.2 speed = 60fps
-- fps = 59.94fps, drr = 60hz
-- 60hz / 59.94fps = 1.001001001001001 speed
-- 59.94fps * 1.001001001001001 = 60fps
_global.temp["speed"] = difference
end
elseif (_global.temp["drr"] < _global.temp["fps"]) then
local difference = (_global.temp["fps"] / _global.temp["drr"])
if (difference >= 2) then
-- fps = 120fps, drr = 25hz
-- difference = 120fps/25hz = 5 rounded
-- 120fps/5 = 24fps ; 25hz / 24fps = 1.04166666667 speed
-- 24fps * 1.04166666667 speed = 25fps
_global.temp["speed"] = (_global.temp["drr"] / (_global.temp["fps"] / round(difference)))
else
-- fps = 60fps, drr = 50hz
-- difference = 50hz / 60fps = 0.833333333333 speed
-- 60fps * 0.833333333333 speed = 50fps
-- fps = 60fps, drr = 59.94hz
-- difference = 59.94hz / 60fps = 0.999 speed
-- 60fps * 0.999 speed = 59.94fps
_global.temp["speed"] = (_global.temp["drr"] / _global.temp["fps"])
end
elseif (_global.temp["drr"] == _global.temp["fps"]) then
_global.temp["speed"] = 1
end
_global.speedCache[id] = _global.temp["speed"]
end
function findRefreshRate()
-- This is to prevent a system call if the screen refresh / video fps has not changed.
if (_global.temp["drr"] == _global.lastDrr) then
return
elseif (_global.rateCache[_global.temp["drr"]] ~= nil) then
setRate(_global.rateCache[_global.temp["drr"]])
return
end
if (_global.options["nircmd"] ~= true or _global.options["rates"] == "") then
return
end
local floor_fps = math.floor(_global.temp["fps"])
if (_global.temp["maxrate"] == nil) then
_global.temp["maxrate"] = 0
for rate in string.gmatch(_global.options["rates"], "[%w.]+") do
rate = tonumber(rate)
if (rate > _global.temp["maxrate"]) then
_global.temp["maxrate"] = rate
end
end
if (_global.temp["maxrate"] == 0) then
_global.options["rates"] = ""
return
end
end
local iterator = 1
if (_global.temp["maxrate"] > floor_fps) then
iterator = round(_global.temp["maxrate"] / floor_fps)
elseif (_global.temp["maxrate"] < floor_fps) then
iterator = round(floor_fps / _global.temp["maxrate"])
else
setRate(_global.temp["maxrate"])
return
end
local smallest = 0
local foundRate = false
for rate in string.gmatch(_global.options["rates"], "[%w.]+") do
rate = tonumber(rate)
local min = (rate * _global.options["minspeed"])
local max = (rate * _global.options["maxspeed"])
for multiplier = 1, iterator do
local multiplied_fps = (multiplier * floor_fps)
if (multiplied_fps >= min and multiplied_fps <= max) then
if (multiplied_fps < rate) then
local difference = (rate - multiplied_fps)
if (smallest == 0 or difference < smallest) then
smallest = difference
foundRate = rate
end
elseif (multiplied_fps > rate) then
local difference = (multiplied_fps - rate)
if (smallest == 0 or difference < smallest) then
smallest = difference
foundRate = rate
end
else
setRate(rate)
return
end
end
end
end
if (foundRate ~= false) then
setRate(foundRate)
end
end
function setRate(rate)
local paused = mp.get_property("pause")
if (_global.options["spause"] > 0 and paused ~= "yes") then
mp.set_property("pause", "yes")
end
_global.utils.subprocess({
["cancellable"] = false,
["args"] = {
[1] = _global.options["nircmdc"],
[2] = "setdisplay",
[3] = "monitor:" .. _global.options["monitor"],
[4] = _global.options["dwidth"],
[5] = _global.options["dheight"],
[6] = _global.options["bdepth"],
[7] = rate
}
})
if (_global.options["spause"] > 0 and paused ~= "yes") then
--os.execute("ping -n " .. _global.options["spause"] .. " localhost > NUL")
_global.utils.subprocess({
["cancellable"] = false,
["args"] = {
[1] = "ping",
[2] = "-n",
[3] = _global.options["spause"],
[4] = "localhost",
[5] = ">",
[6] = "NUL"
}
})
mp.set_property("pause", "no")
end
--os.execute("ping -n 2 localhost > NUL")
_global.utils.subprocess({
["cancellable"] = false,
["args"] = {
[1] = "ping",
[2] = "-n",
[3] = "2",
[4] = "localhost",
[5] = ">",
[6] = "NUL"
}
})
_global.temp["drr"] = mp.get_property_native("display-fps")
_global.rateCache[_global.temp["drr"]] = rate
_global.lastDrr = _global.temp["drr"]
end
function start()
mp.unobserve_property(start)
_global.temp = {}
_global.temp["start_drr"] = mp.get_property_native("display-fps")
if not (_global.temp["start_drr"]) then
return
end
_global.temp["drr"] = _global.temp["start_drr"]
if not (_global.confSpeed) then
_global.confSpeed = mp.get_property_native("speed")
end
local test = mp.get_property("container-fps")
if (test == nil or test == "nil property unavailable") then
if (_global.options["estfps"] ~= true) then
return
end
test = mp.get_property("estimated-vf-fps")
if (test == nil or test == "nil property unavailable") then
return
end
mp.observe_property("estimated-vf-fps", "number", main)
else
mp.observe_property("container-fps", "number", main)
end
mp.add_key_binding(_global.options["osdkey"], mp.get_script_name(), osdEcho, {repeatable=true})
if (_global.options["nircmd"] == true and _global.options["exitrate"] > 0) then
function revertDrr()
_global.utils.subprocess({
["cancellable"] = false,
["args"] = {
[1] = _global.options["nircmdc"],
[2] = "setdisplay",
[3] = "monitor:" .. _global.options["monitor"],
[4] = _global.options["dwidth"],
[5] = _global.options["dheight"],
[6] = _global.options["bdepth"],
[7] = _global.options["exitrate"]
}
})
end
mp.register_event("shutdown", revertDrr)
end
end
-- Wait until we get a video fps.
function check()
mp.observe_property("estimated-vf-fps", "string", start)
end
mp.register_event("file-loaded", check)