videoclip/videoclip.lua
2023-12-09 18:59:23 +03:00

473 lines
16 KiB
Lua
Raw Blame History

This file contains ambiguous Unicode characters

This file contains Unicode characters that might be confused with other characters. If you think that this is intentional, you can safely ignore this warning. Use the Escape button to reveal them.

--[[
Videoclip - mp4/webm clips creator for mpv.
Copyright (C) 2021 Ren Tatsumoto
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 3 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, see <https://www.gnu.org/licenses/>.
]]
local NAME = 'videoclip'
local mp = require('mp')
local mpopt = require('mp.options')
local utils = require('mp.utils')
local OSD = require('osd_styler')
local p = require('platform')
local h = require('helpers')
local encoder = require('encoder')
local Timings = require('timings_mgr')
------------------------------------------------------------
-- System-dependent variables
-- 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 = p.default_video_folder,
audio_folder_path = p.default_audio_folder,
-- The range of the CRF scale is 051, 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,
video_fps = 'auto',
audio_format = 'opus', -- aac, opus
audio_bitrate = '32k', -- 32k, 64k, 128k, 256k. aac requires higher bitrates.
font_size = 24,
clean_filename = true,
-- Whether to upload to catbox (permanent) or litterbox (temporary)
litterbox = true,
-- Determines expire time of files uploaded to litterbox
litterbox_expire = '72h', -- 1h, 12h, 24h, 72h
sub_font = 'Noto Sans CJK JP',
}
mpopt.read_options(config, NAME)
local main_menu
local pref_menu
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 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_encoding_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
if config.audio_format == 'aac' then
config.audio_codec = 'aac'
config.audio_extension = '.aac'
else
config.audio_codec = 'libopus'
config.audio_extension = '.opus'
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_encoding_settings()
end
local function upload_to_catbox(outfile)
local endpoint = config.litterbox and 'https://litterbox.catbox.moe/resources/internals/api.php' or 'https://catbox.moe/user/api.php'
h.notify("Uploading to " .. (config.litterbox and "litterbox.catbox.moe..." or "catbox.moe..."), "info", 9999)
-- This uses cURL to send a request to the cat-/litterbox API.
-- cURL is included on Windows 10 and up, most Linux distributions and macOS.
local r = h.subprocess({ -- This is technically blocking, but I don't think it has any real consequences ..?
p.curl_exe, '-s',
'-F', 'reqtype=fileupload',
'-F', 'time=' .. config['litterbox_expire'],
'-F', 'fileToUpload=@"' .. outfile .. '"',
endpoint
})
-- Exit codes in the range [0, 99] are returned by cURL itself.
-- Any other exit code means the shell failed to execute cURL.
if r.status < 0 or r.status > 99 then
h.notify("Error: Failed to upload. Make sure cURL is installed and in your PATH.", "error", 3)
return
elseif r.status ~= 0 then
h.notify("Error: Failed to upload to " .. (config.litterbox and "litterbox.catbox.moe" or "catbox.moe"), "error", 2)
return
end
mp.msg.info("Catbox URL: " .. r.stdout)
-- Copy to clipboard
p.copy_or_open_url(r.stdout)
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.timings = Timings: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() main_menu:create_clip('video') end },
{ key = 'C', fn = function() force_resolution(1920, -2, encoder.create_clip, 'video') end },
{ key = 'a', fn = function() main_menu:create_clip('audio') end },
{ key = 'x', fn = function() main_menu:create_clip('video', upload_to_catbox) end },
{ key = 'X', fn = function() force_resolution(1920, -2, main_menu.create_clip, 'video', upload_to_catbox) end },
{ key = 'p', fn = function() pref_menu:open() end },
{ key = 'o', fn = function() p.open('https://streamable.com/') end },
{ key = 'ESC', fn = function() main_menu:close() end },
}
function main_menu:set_time(property)
self.timings[property] = math.max(0, 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
h.notify("Warning: No subtitles visible.", "warn", 2)
return
end
self.timings[property] = math.max(0, time_pos + sub_delay)
self:update()
end
function main_menu:reset_timings()
self.timings:reset()
self:update()
end
main_menu.open = function()
Menu.open(main_menu)
end
function main_menu:update()
local osd = OSD:new():size(config.font_size):align(4)
if encoder.alive == false then
osd:red("Error: "):append("mpv is not found in the PATH."):newline()
end
osd:submenu('Clip creator'):newline()
osd:tab():item('Start time: '):append(h.human_readable_time(self.timings['start'])):newline()
osd:tab():item('End time: '):append(h.human_readable_time(self.timings['end'])):newline()
osd:submenu('Timings '):italics('(+shift use sub timings)'):newline()
osd:tab():item('s: '):append('Set start'):newline()
osd:tab():item('e: '):append('Set end'):newline()
osd:tab():item('r: '):append('Reset'):newline()
osd:submenu('Create clip '):italics('(+shift to force fullHD preset)'):newline()
osd:tab():item('c: '):append('video clip'):newline()
osd:tab():item('a: '):append('audio clip'):newline()
osd:tab():item('x: '):append('video clip to ' .. (config.litterbox and 'litterbox.catbox.moe (' .. config.litterbox_expire .. ')' or 'catbox.moe')):newline()
osd:submenu('Options '):newline()
osd:tab():item('p: '):append('Open preferences'):newline()
osd:tab():item('o: '):append('Open streamable.com'):newline()
osd:tab():item('ESC: '):append('Close'):newline()
self:overlay_draw(osd:get_text())
end
function main_menu:create_clip(clip_type, on_complete_fn)
self:close()
encoder.create_clip(clip_type, on_complete_fn)
end
------------------------------------------------------------
-- Preferences
pref_menu = Menu:new(main_menu)
pref_menu.keybindings = {
{ key = 'f', fn = function() pref_menu:cycle_video_formats() end },
{ key = 'a', fn = function() pref_menu:cycle_audio_formats() end },
{ key = 'm', fn = function() pref_menu:toggle_mute_audio() end },
{ key = 'r', fn = function() pref_menu:cycle_resolutions() end },
{ key = 'b', fn = function() pref_menu:cycle_audio_bitrates() end },
{ key = 'e', fn = function() pref_menu:toggle_embed_subtitles() end },
{ key = 'x', fn = function() pref_menu:toggle_catbox() end },
{ key = 'z', fn = function() pref_menu:cycle_litterbox_expiration() end },
{ key = 's', fn = function() pref_menu:save() end },
{ key = 'c', fn = function() end },
{ key = 'ESC', fn = function() pref_menu:close() end },
{ key = 'q', fn = function() pref_menu:close() end },
}
pref_menu.resolutions = {
{ w = config.video_width, h = config.video_height, },
{ w = -2, h = -2, },
{ 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.audio_bitrates = {
config.audio_bitrate,
'32k',
'64k',
'128k',
'256k',
'384k',
selected = 1,
}
pref_menu.vid_formats = { 'mp4', 'vp9', 'vp8', }
pref_menu.aud_formats = { 'aac', 'opus', }
pref_menu.litterbox_expirations = { '1h', '12h', '24h', '72h', }
function pref_menu:get_selected_resolution()
return string.format(
'%s x %s',
config.video_width == -2 and 'auto' or config.video_width,
config.video_height == -2 and 'auto' or config.video_height
)
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_audio_bitrates()
self.audio_bitrates.selected = self.audio_bitrates.selected + 1 > #self.audio_bitrates and 1 or self.audio_bitrates.selected + 1
config.audio_bitrate = self.audio_bitrates[self.audio_bitrates.selected]
self:update()
end
function pref_menu:cycle_formats(config_type)
local formats
if config_type == 'video_format' then
formats = pref_menu.vid_formats
else
formats = pref_menu.aud_formats
end
local selected = 1
for i, format in ipairs(formats) do
if config[config_type] == format then
selected = i
break
end
end
config[config_type] = formats[selected + 1] or formats[1]
set_encoding_settings()
self:update()
end
function pref_menu:cycle_video_formats()
pref_menu:cycle_formats('video_format')
end
function pref_menu:cycle_audio_formats()
pref_menu:cycle_formats('audio_format')
end
function pref_menu:toggle_mute_audio()
mp.commandv("cycle", "mute")
self:update()
end
function pref_menu:toggle_embed_subtitles()
mp.commandv("cycle", "sub-visibility")
self:update()
end
function pref_menu:toggle_catbox()
config['litterbox'] = not config['litterbox']
self:update()
end
function pref_menu:cycle_litterbox_expiration()
if not config['litterbox'] then
return
end
local expirations = pref_menu.litterbox_expirations
local selected = 1
for i, expiration in ipairs(expirations) do
if config['litterbox_expire'] == expiration then
selected = i
break
end
end
config['litterbox_expire'] = expirations[selected + 1] or expirations[1]
self:update()
end
function pref_menu:update()
local osd = OSD:new():size(config.font_size):align(4)
osd:submenu('Preferences'):newline()
osd:tab():item('r: Video resolution: '):append(self:get_selected_resolution()):newline()
osd:tab():item('f: Video format: '):append(config.video_format):newline()
osd:tab():item('a: Audio format: '):append(config.audio_format):newline()
osd:tab():item('b: Audio bitrate: '):append(config.audio_bitrate):newline()
osd:tab():item('m: Mute audio: '):append(mp.get_property("mute")):newline()
osd:tab():item('e: Embed subtitles: '):append(mp.get_property("sub-visibility")):newline()
osd:submenu('Catbox'):newline()
osd:tab():item('x: Using: '):append(config.litterbox and 'Litterbox (temporary)' or 'Catbox (permanent)'):newline()
if config.litterbox then
osd:tab():item('z: Litterbox expires after: '):append(config.litterbox_expire):newline()
else
osd:tab():color("b0b0b0"):text('x: Litterbox expires after: '):append("N/A"):newline()
end
osd:submenu('Save'):newline()
osd:tab():item('s: Save preferences'):newline()
self:overlay_draw(osd:get_text())
end
function pref_menu:save()
local function lua_to_mpv(config_value)
if type(config_value) == 'boolean' then
return config_value and 'yes' or 'no'
else
return config_value
end
end
local ignore_list = {
video_extension = true,
audio_extension = true,
video_codec = true,
audio_codec = true,
}
local mpv_dirpath = string.gsub(mp.get_script_directory(), "scripts[\\/]%w+", "")
local config_filepath = utils.join_path(utils.join_path(mpv_dirpath, "script-opts"), string.format('%s.conf', NAME))
local handle = io.open(config_filepath, 'w')
if handle ~= nil then
handle:write(string.format("# Written by %s on %s.\n", NAME, os.date()))
for key, value in pairs(config) do
if ignore_list[key] == nil then
handle:write(string.format('%s=%s\n', key, lua_to_mpv(value)))
end
end
handle:close()
h.notify("Settings saved.", "info", 2)
else
h.notify(string.format("Couldn't open %s.", config_filepath), "error", 4)
end
end
------------------------------------------------------------
-- Finally, set an 'entry point' in mpv
validate_config()
encoder.init(config, main_menu.timings)
mp.add_key_binding('c', 'videoclip-menu-open', main_menu.open)
mp.msg.warn("Press 'c' to open the videoclip menu.")