502 lines
14 KiB
Lua
502 lines
14 KiB
Lua
local mp = require('mp')
|
||
local mpopt = require('mp.options')
|
||
local utils = require('mp.utils')
|
||
|
||
-- Options can be changed here or in a separate config file.
|
||
-- Config path: ~/.config/mpv/script-opts/videoclip.conf
|
||
local config = {
|
||
-- absolute paths
|
||
-- relative paths (e.g. ~ for home dir) do NOT work.
|
||
video_folder_path = string.format('%s/Videos/', os.getenv("HOME") or os.getenv('USERPROFILE')),
|
||
audio_folder_path = string.format('%s/Music/', os.getenv("HOME") or os.getenv('USERPROFILE')),
|
||
-- The range of the CRF scale is 0–51, where 0 is lossless,
|
||
-- 23 is the default, and 51 is worst quality possible.
|
||
-- Insane values like 9999 still work but produce the worst quality.
|
||
video_quality = 23,
|
||
-- Use the slowest preset that you have patience for.
|
||
-- https://trac.ffmpeg.org/wiki/Encode/H.264
|
||
preset = 'faster',
|
||
video_format = 'mp4', -- mp4, vp9, vp8
|
||
video_bitrate = '1M',
|
||
video_width = -2,
|
||
video_height = 480,
|
||
audio_bitrate = '32k',
|
||
mute_audio = false,
|
||
font_size = 24,
|
||
}
|
||
|
||
mpopt.read_options(config, 'videoclip')
|
||
local main_menu
|
||
local pref_menu
|
||
local encoder
|
||
local OSD
|
||
local Timings
|
||
|
||
local allowed_presets = {
|
||
ultrafast = true,
|
||
superfast = true,
|
||
veryfast = true,
|
||
faster = true,
|
||
fast = true,
|
||
medium = true,
|
||
slow = true,
|
||
slower = true,
|
||
veryslow = true,
|
||
}
|
||
|
||
------------------------------------------------------------
|
||
-- Utility functions
|
||
|
||
local function remove_extension(filename)
|
||
return filename:gsub('%.%w+$', '')
|
||
end
|
||
|
||
local function remove_text_in_brackets(str)
|
||
return str:gsub('%b[]', '')
|
||
end
|
||
|
||
local function remove_special_characters(str)
|
||
return str:gsub('[%c%p%s]', '')
|
||
end
|
||
|
||
local function human_readable_time(seconds)
|
||
if type(seconds) ~= 'number' or seconds < 0 then
|
||
return 'empty'
|
||
end
|
||
|
||
local parts = {}
|
||
|
||
parts.h = math.floor(seconds / 3600)
|
||
parts.m = math.floor(seconds / 60) % 60
|
||
parts.s = math.floor(seconds % 60)
|
||
parts.ms = math.floor((seconds * 1000) % 1000)
|
||
|
||
local ret = string.format("%02dm%02ds%03dms", parts.m, parts.s, parts.ms)
|
||
|
||
if parts.h > 0 then
|
||
ret = string.format('%dh%s', parts.h, ret)
|
||
end
|
||
|
||
return ret
|
||
end
|
||
|
||
local function construct_filename()
|
||
local filename = mp.get_property("filename") -- filename without path
|
||
|
||
filename = remove_extension(filename)
|
||
filename = remove_text_in_brackets(filename)
|
||
filename = remove_special_characters(filename)
|
||
|
||
filename = string.format(
|
||
'%s_(%s-%s)',
|
||
filename,
|
||
human_readable_time(main_menu.timings['start']),
|
||
human_readable_time(main_menu.timings['end'])
|
||
)
|
||
|
||
return filename
|
||
end
|
||
|
||
local function subprocess(args)
|
||
return mp.command_native {
|
||
name = "subprocess",
|
||
playback_only = false,
|
||
capture_stdout = true,
|
||
capture_stderr = true,
|
||
args = args
|
||
}
|
||
end
|
||
|
||
local function force_resolution(width, height, clip_fn, ...)
|
||
local cached_prefs = {
|
||
video_width = config.video_width,
|
||
video_height = config.video_height,
|
||
}
|
||
config.video_width = width
|
||
config.video_height = height
|
||
clip_fn(...)
|
||
config.video_width = cached_prefs.video_width
|
||
config.video_height = cached_prefs.video_height
|
||
end
|
||
|
||
local function set_video_settings()
|
||
if config.video_format == 'mp4' then
|
||
config.video_codec = 'libx264'
|
||
config.video_extension = '.mp4'
|
||
elseif config.video_format == 'vp9' then
|
||
config.video_codec = 'libvpx-vp9'
|
||
config.video_extension = '.webm'
|
||
else
|
||
config.video_codec = 'libvpx'
|
||
config.video_extension = '.webm'
|
||
end
|
||
end
|
||
|
||
local function validate_config()
|
||
if not config.audio_bitrate:match('^%d+[kK]$') then
|
||
config.audio_bitrate = (tonumber(config.audio_bitrate) or 32) .. 'k'
|
||
end
|
||
|
||
if not config.video_bitrate:match('^%d+[kKmM]$') then
|
||
config.video_bitrate = '1M'
|
||
end
|
||
|
||
if not allowed_presets[config.preset] then
|
||
config.preset = 'faster'
|
||
end
|
||
|
||
set_video_settings()
|
||
end
|
||
|
||
------------------------------------------------------------
|
||
-- Provides interface for creating audio/video clips
|
||
|
||
encoder = {}
|
||
|
||
encoder.create_videoclip = function(clip_filename)
|
||
local clip_path = utils.join_path(config.video_folder_path, clip_filename .. config.video_extension)
|
||
return subprocess {
|
||
'mpv',
|
||
mp.get_property('path'),
|
||
'--loop-file=no',
|
||
'--no-ocopy-metadata',
|
||
'--no-sub',
|
||
'--audio-channels=2',
|
||
'--oac=libopus',
|
||
'--oacopts-add=vbr=on',
|
||
'--oacopts-add=application=voip',
|
||
'--oacopts-add=compression_level=10',
|
||
table.concat { '--ovc=', config.video_codec },
|
||
table.concat { '--start=', main_menu.timings['start'] },
|
||
table.concat { '--end=', main_menu.timings['end'] },
|
||
table.concat { '--aid=', config.mute_audio and 'no' or mp.get_property("aid") }, -- track number
|
||
table.concat { '--volume=', mp.get_property('volume') },
|
||
table.concat { '--ovcopts-add=b=', config.video_bitrate },
|
||
table.concat { '--oacopts-add=b=', config.audio_bitrate },
|
||
table.concat { '--ovcopts-add=crf=', config.video_quality },
|
||
table.concat { '--ovcopts-add=preset=', config.preset },
|
||
table.concat { '--vf-add=scale=', config.video_width, ':', config.video_height },
|
||
table.concat { '--ytdl-format=', mp.get_property("ytdl-format") },
|
||
table.concat { '-o=', clip_path }
|
||
}
|
||
end
|
||
|
||
encoder.create_audioclip = function(clip_filename)
|
||
local clip_path = utils.join_path(config.audio_folder_path, clip_filename .. '.ogg')
|
||
return subprocess {
|
||
'mpv',
|
||
mp.get_property('path'),
|
||
'--loop-file=no',
|
||
'--no-ocopy-metadata',
|
||
'--no-sub',
|
||
'--audio-channels=2',
|
||
'--video=no',
|
||
'--oac=libopus',
|
||
'--oacopts-add=vbr=on',
|
||
'--oacopts-add=application=voip',
|
||
'--oacopts-add=compression_level=10',
|
||
table.concat { '--start=', main_menu.timings['start'] },
|
||
table.concat { '--end=', main_menu.timings['end'] },
|
||
table.concat { '--volume=', mp.get_property('volume') },
|
||
table.concat { '--aid=', mp.get_property("aid") }, -- track number
|
||
table.concat { '--oacopts-add=b=', config.audio_bitrate },
|
||
table.concat { '--ytdl-format=', mp.get_property("ytdl-format") },
|
||
table.concat { '-o=', clip_path }
|
||
}
|
||
end
|
||
|
||
encoder.create_clip = function(clip_type)
|
||
main_menu:close();
|
||
if clip_type == nil then
|
||
return
|
||
end
|
||
|
||
if not main_menu.timings:validate() then
|
||
mp.osd_message("Wrong timings. Aborting.", 2)
|
||
return
|
||
end
|
||
|
||
local clip_filename = construct_filename()
|
||
mp.osd_message("Please wait...", 9999)
|
||
|
||
local ret
|
||
local location
|
||
|
||
if clip_type == 'video' then
|
||
location = config.video_folder_path
|
||
ret = encoder.create_videoclip(clip_filename)
|
||
else
|
||
location = config.audio_folder_path
|
||
ret = encoder.create_audioclip(clip_filename)
|
||
end
|
||
|
||
if ret.status ~= 0 or string.match(ret.stdout, "could not open") then
|
||
mp.osd_message(string.format("Error: couldn't create the clip.\nDoes %s exist?", location), 5)
|
||
else
|
||
mp.osd_message(string.format("Clip saved to %s.", location), 2)
|
||
end
|
||
main_menu.timings:reset()
|
||
end
|
||
|
||
------------------------------------------------------------
|
||
-- Menu interface
|
||
|
||
local Menu = {}
|
||
Menu.__index = Menu
|
||
|
||
function Menu:new(parent)
|
||
local o = {
|
||
parent = parent,
|
||
overlay = parent and parent.overlay or mp.create_osd_overlay('ass-events'),
|
||
keybindings = { },
|
||
}
|
||
return setmetatable(o, self)
|
||
end
|
||
|
||
function Menu:overlay_draw(text)
|
||
self.overlay.data = text
|
||
self.overlay:update()
|
||
end
|
||
|
||
function Menu:open()
|
||
if self.parent then
|
||
self.parent:close()
|
||
end
|
||
for _, val in pairs(self.keybindings) do
|
||
mp.add_forced_key_binding(val.key, val.key, val.fn)
|
||
end
|
||
self:update()
|
||
end
|
||
|
||
function Menu:close()
|
||
for _, val in pairs(self.keybindings) do
|
||
mp.remove_key_binding(val.key)
|
||
end
|
||
if self.parent then
|
||
self.parent:open()
|
||
else
|
||
self.overlay:remove()
|
||
end
|
||
end
|
||
|
||
function Menu:update()
|
||
local osd = OSD:new():size(config.font_size):align(4)
|
||
osd:append('Dummy menu.'):newline()
|
||
self:overlay_draw(osd:get_text())
|
||
end
|
||
|
||
------------------------------------------------------------
|
||
-- Main menu
|
||
|
||
main_menu = Menu:new()
|
||
|
||
main_menu.keybindings = {
|
||
{ key = 's', fn = function() main_menu:set_time('start') end },
|
||
{ key = 'e', fn = function() main_menu:set_time('end') end },
|
||
{ key = 'S', fn = function() main_menu:set_time_sub('start') end },
|
||
{ key = 'E', fn = function() main_menu:set_time_sub('end') end },
|
||
{ key = 'r', fn = function() main_menu:reset_timings() end },
|
||
{ key = 'c', fn = function() encoder.create_clip('video') end },
|
||
{ key = 'C', fn = function() force_resolution(1920, -2, encoder.create_clip, 'video') end },
|
||
{ key = 'a', fn = function() encoder.create_clip('audio') end },
|
||
{ key = 'p', fn = function() pref_menu:open() end },
|
||
{ key = 'o', fn = function() mp.commandv('run', 'xdg-open', 'https://streamable.com/') end },
|
||
{ key = 'ESC', fn = function() main_menu:close() end },
|
||
}
|
||
|
||
function main_menu:set_time(property)
|
||
self.timings[property] = mp.get_property_number('time-pos')
|
||
self:update()
|
||
end
|
||
|
||
function main_menu:set_time_sub(property)
|
||
local sub_delay = mp.get_property_native("sub-delay")
|
||
local time_pos = mp.get_property_number(string.format("sub-%s", property))
|
||
|
||
if time_pos == nil then
|
||
mp.osd_message("Warning: No subtitles visible.", 2)
|
||
return
|
||
end
|
||
|
||
self.timings[property] = time_pos + sub_delay
|
||
self:update()
|
||
end
|
||
|
||
function main_menu:reset_timings()
|
||
self.timings = Timings:new()
|
||
self:update()
|
||
end
|
||
|
||
main_menu.open = function()
|
||
main_menu.timings = main_menu.timings or Timings:new()
|
||
Menu.open(main_menu)
|
||
end
|
||
|
||
function main_menu:update()
|
||
local osd = OSD:new():size(config.font_size):align(4)
|
||
osd:bold('Clip creator'):newline()
|
||
osd:tab():bold('Start time: '):append(human_readable_time(self.timings['start'])):newline()
|
||
osd:tab():bold('End time: '):append(human_readable_time(self.timings['end'])):newline()
|
||
osd:bold('Timings: '):italics('(+shift use sub timings)'):newline()
|
||
osd:tab():bold('s: '):append('Set start'):newline()
|
||
osd:tab():bold('e: '):append('Set end'):newline()
|
||
osd:tab():bold('r: '):append('Reset'):newline()
|
||
osd:bold('Create clip: '):italics('(+shift to force fullHD preset)'):newline()
|
||
osd:tab():bold('c: '):append('video clip'):newline()
|
||
osd:tab():bold('a: '):append('audio clip'):newline()
|
||
osd:bold('Options: '):newline()
|
||
osd:tab():bold('p: '):append('Open preferences'):newline()
|
||
osd:tab():bold('o: '):append('Open streamable.com'):newline()
|
||
osd:tab():bold('ESC: '):append('Close'):newline()
|
||
|
||
self:overlay_draw(osd:get_text())
|
||
end
|
||
|
||
------------------------------------------------------------
|
||
-- Preferences
|
||
|
||
pref_menu = Menu:new(main_menu)
|
||
|
||
pref_menu.keybindings = {
|
||
{ key = 'f', fn = function() pref_menu:cycle_video_formats() end },
|
||
{ key = 'm', fn = function() pref_menu:toggle_mute_audio() end },
|
||
{ key = 'r', fn = function() pref_menu:cycle_resolutions() end },
|
||
{ key = 'ESC', fn = function() pref_menu:close() end },
|
||
}
|
||
|
||
pref_menu.resolutions = {
|
||
{ w = config.video_width, h = config.video_height, },
|
||
{ w = -2, h = 240, },
|
||
{ w = -2, h = 360, },
|
||
{ w = -2, h = 480, },
|
||
{ w = -2, h = 720, },
|
||
{ w = -2, h = 1080, },
|
||
{ w = -2, h = 1440, },
|
||
{ w = -2, h = 2160, },
|
||
selected = 1,
|
||
}
|
||
|
||
pref_menu.formats = { 'mp4', 'vp9', 'vp8' }
|
||
|
||
function pref_menu:get_selected_resolution()
|
||
local w = config.video_width
|
||
local h = config.video_height
|
||
w = w == -2 and 'auto' or w
|
||
h = h == -2 and 'auto' or h
|
||
return string.format('%s x %s', w, h)
|
||
end
|
||
|
||
function pref_menu:cycle_resolutions()
|
||
self.resolutions.selected = self.resolutions.selected + 1 > #self.resolutions and 1 or self.resolutions.selected + 1
|
||
local res = self.resolutions[self.resolutions.selected]
|
||
config.video_width = res.w
|
||
config.video_height = res.h
|
||
self:update()
|
||
end
|
||
|
||
function pref_menu:cycle_video_formats()
|
||
local selected = 1
|
||
for i, v in ipairs(pref_menu.formats) do
|
||
if config.video_format == v then
|
||
selected = i
|
||
end
|
||
end
|
||
config.video_format = pref_menu.formats[selected + 1] or pref_menu.formats[1]
|
||
set_video_settings()
|
||
self:update()
|
||
end
|
||
|
||
function pref_menu:toggle_mute_audio()
|
||
config.mute_audio = not config.mute_audio
|
||
self:update()
|
||
end
|
||
|
||
function pref_menu:update()
|
||
local osd = OSD:new():size(config.font_size):align(4)
|
||
osd:bold('Preferences'):newline()
|
||
osd:bold('Video resolution: '):append(self:get_selected_resolution()):newline()
|
||
osd:bold('Video format: '):append(config.video_format):newline()
|
||
osd:bold('Mute audio: '):append(config.mute_audio and 'yes' or 'no'):newline()
|
||
osd:newline()
|
||
osd:bold('Bindings:'):newline()
|
||
osd:tab():bold('r: '):append('Cycle video resolutions'):newline()
|
||
osd:tab():bold('f: '):append('Cycle video formats'):newline()
|
||
osd:tab():bold('m: '):append('Toggle mute audio'):newline()
|
||
|
||
self:overlay_draw(osd:get_text())
|
||
end
|
||
|
||
------------------------------------------------------------
|
||
-- Helper class for styling OSD messages
|
||
-- http://docs.aegisub.org/3.2/ASS_Tags/
|
||
|
||
OSD = {}
|
||
OSD.__index = OSD
|
||
|
||
function OSD:new()
|
||
return setmetatable({ text = {} }, self)
|
||
end
|
||
|
||
function OSD:append(s)
|
||
table.insert(self.text, s)
|
||
return self
|
||
end
|
||
|
||
function OSD:bold(s)
|
||
return self:append(string.format([[{\b1}%s{\b0}]], s))
|
||
end
|
||
|
||
function OSD:italics(s)
|
||
return self:append('{\\i1}'):append(s):append('{\\i0}')
|
||
end
|
||
|
||
function OSD:newline()
|
||
return self:append([[\N]])
|
||
end
|
||
|
||
function OSD:tab()
|
||
return self:append([[\h\h\h\h]])
|
||
end
|
||
|
||
function OSD:size(size)
|
||
return self:append(string.format([[{\fs%s}]], size))
|
||
end
|
||
|
||
function OSD:align(number)
|
||
return self:append(string.format([[{\an%s}]], number))
|
||
end
|
||
|
||
function OSD:get_text()
|
||
return table.concat(self.text)
|
||
end
|
||
|
||
------------------------------------------------------------
|
||
-- Timings class
|
||
|
||
Timings = {
|
||
['start'] = -1,
|
||
['end'] = -1,
|
||
}
|
||
|
||
function Timings:new(o)
|
||
o = o or {}
|
||
setmetatable(o, self)
|
||
self.__index = self
|
||
return o
|
||
end
|
||
|
||
function Timings:reset()
|
||
self['start'] = -1
|
||
self['end'] = -1
|
||
end
|
||
|
||
function Timings:validate()
|
||
return self['start'] >= 0 and self['start'] < self['end']
|
||
end
|
||
|
||
------------------------------------------------------------
|
||
-- Finally, set an 'entry point' in mpv
|
||
|
||
validate_config()
|
||
mp.add_key_binding('c', 'videoclip-menu-open', main_menu.open)
|