247 lines
9.0 KiB
Lua
247 lines
9.0 KiB
Lua
--=============================================================================
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-->> SUBLIMINAL PATH:
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--=============================================================================
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-- This script uses Subliminal to download subtitles,
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-- so make sure to specify your system's Subliminal location below:
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local subliminal = '/usr/bin/subliminal'
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--=============================================================================
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-->> SUBTITLE LANGUAGE:
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--=============================================================================
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-- Specify languages in this order:
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-- { 'language name', 'ISO-639-1', 'ISO-639-2' } !
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-- (See: https://en.wikipedia.org/wiki/List_of_ISO_639-1_codes)
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local languages = {
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-- If subtitles are found for the first language,
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-- other languages will NOT be downloaded,
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-- so put your preferred language first:
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{ 'English', 'en', 'eng' }
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}
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--=============================================================================
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-->> PROVIDER LOGINS:
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--=============================================================================
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-- These are completely optional and not required
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-- for the functioning of the script!
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-- If you use any of these services, simply uncomment it
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-- and replace 'USERNAME' and 'PASSWORD' with your own:
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local logins = {
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{ '--opensubtitles', 'giveaway1', 'qwe123A@' },
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}
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--=============================================================================
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-->> ADDITIONAL OPTIONS:
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--=============================================================================
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local bools = {
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auto = false, -- Automatically download subtitles, no hotkeys required
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debug = false, -- Use `--debug` in subliminal command for debug output
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force = true, -- Force download; will overwrite existing subtitle files
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utf8 = true, -- Save all subtitle files as UTF-8
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}
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local excludes = {
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-- Movies with a path containing any of these strings/paths
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-- will be excluded from auto-downloading subtitles.
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-- Full paths are also allowed, e.g.:
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-- '/home/david/Videos',
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'no-subs-dl',
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}
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local includes = {
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-- If anything is defined here, only the movies with a path
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-- containing any of these strings/paths will auto-download subtitles.
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-- Full paths are also allowed, e.g.:
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-- '/home/david/Videos',
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}
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--=============================================================================
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local utils = require 'mp.utils'
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-- Download function: download the best subtitles in most preferred language
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function download_subs(language)
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language = language or languages[1]
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if #language == 0 then
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log('No Language found\n')
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return false
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end
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log('Searching ' .. language[1] .. ' subtitles ...', 30)
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-- Build the `subliminal` command, starting with the executable:
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local table = { args = { subliminal } }
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local a = table.args
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for _, login in ipairs(logins) do
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a[#a + 1] = login[1]
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a[#a + 1] = login[2]
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a[#a + 1] = login[3]
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end
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if bools.debug then
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-- To see `--debug` output start MPV from the terminal!
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a[#a + 1] = '--debug'
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end
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a[#a + 1] = 'download'
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if bools.force then
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a[#a + 1] = '-f'
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end
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if bools.utf8 then
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a[#a + 1] = '-e'
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a[#a + 1] = 'utf-8'
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end
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a[#a + 1] = '-l'
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a[#a + 1] = language[2]
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a[#a + 1] = '-d'
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a[#a + 1] = directory
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a[#a + 1] = filename --> Subliminal command ends with the movie filename.
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local result = utils.subprocess(table)
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if string.find(result.stdout, 'Downloaded 1 subtitle') then
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-- When multiple external files are present,
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-- always activate the most recently downloaded:
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mp.set_property('slang', language[2])
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-- Subtitles are downloaded successfully, so rescan to activate them:
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mp.commandv('rescan_external_files')
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log(language[1] .. ' subtitles ready!')
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return true
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else
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log('No ' .. language[1] .. ' subtitles found\n')
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return false
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end
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end
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-- Manually download second language subs by pressing 'n':
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function download_subs2()
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download_subs(languages[2])
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end
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-- Control function: only download if necessary
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function control_downloads()
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-- Make MPV accept external subtitle files with language specifier:
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mp.set_property('sub-auto', 'fuzzy')
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-- Set subtitle language preference:
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mp.set_property('slang', languages[1][2])
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mp.msg.warn('Reactivate external subtitle files:')
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mp.commandv('rescan_external_files')
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directory, filename = utils.split_path(mp.get_property('path'))
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if not autosub_allowed() then
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return
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end
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sub_tracks = {}
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for _, track in ipairs(mp.get_property_native('track-list')) do
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if track['type'] == 'sub' then
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sub_tracks[#sub_tracks + 1] = track
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end
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end
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if bools.debug then -- Log subtitle properties to terminal:
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for _, track in ipairs(sub_tracks) do
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mp.msg.warn('Subtitle track', track['id'], ':\n{')
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for k, v in pairs(track) do
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if type(v) == 'string' then v = '"' .. v .. '"' end
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mp.msg.warn(' "' .. k .. '":', v)
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end
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mp.msg.warn('}\n')
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end
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end
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for _, language in ipairs(languages) do
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if should_download_subs_in(language) then
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if download_subs(language) then return end -- Download successful!
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else return end -- No need to download!
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end
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log('No subtitles were found')
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end
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-- Check if subtitles should be auto-downloaded:
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function autosub_allowed()
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local duration = tonumber(mp.get_property('duration'))
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local active_format = mp.get_property('file-format')
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if not bools.auto then
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mp.msg.warn('Automatic downloading disabled!')
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return false
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elseif duration < 900 then
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mp.msg.warn('Video is less than 15 minutes\n' ..
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'=> NOT auto-downloading subtitles')
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return false
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elseif directory:find('^http') then
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mp.msg.warn('Automatic subtitle downloading is disabled for web streaming')
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return false
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elseif active_format:find('^cue') then
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mp.msg.warn('Automatic subtitle downloading is disabled for cue files')
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return false
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else
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local not_allowed = {'aiff', 'ape', 'flac', 'mp3', 'ogg', 'wav', 'wv', 'tta'}
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for _, file_format in pairs(not_allowed) do
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if file_format == active_format then
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mp.msg.warn('Automatic subtitle downloading is disabled for audio files')
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return false
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end
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end
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for _, exclude in pairs(excludes) do
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local escaped_exclude = exclude:gsub('%W','%%%0')
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local excluded = directory:find(escaped_exclude)
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if excluded then
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mp.msg.warn('This path is excluded from auto-downloading subs')
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return false
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end
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end
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for i, include in ipairs(includes) do
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local escaped_include = include:gsub('%W','%%%0')
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local included = directory:find(escaped_include)
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if included then break
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elseif i == #includes then
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mp.msg.warn('This path is not included for auto-downloading subs')
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return false
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end
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end
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end
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return true
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end
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-- Check if subtitles should be downloaded in this language:
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function should_download_subs_in(language)
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for i, track in ipairs(sub_tracks) do
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local subtitles = track['external'] and
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'subtitle file' or 'embedded subtitles'
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if not track['lang'] and (track['external'] or not track['title'])
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and i == #sub_tracks then
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local status = track['selected'] and ' active' or ' present'
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log('Unknown ' .. subtitles .. status)
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mp.msg.warn('=> NOT downloading new subtitles')
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return false -- Don't download if 'lang' key is absent
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elseif track['lang'] == language[3] or track['lang'] == language[2] or
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(track['title'] and track['title']:lower():find(language[3])) then
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if not track['selected'] then
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mp.set_property('sid', track['id'])
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log('Enabled ' .. language[1] .. ' ' .. subtitles .. '!')
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else
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log(language[1] .. ' ' .. subtitles .. ' active')
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end
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mp.msg.warn('=> NOT downloading new subtitles')
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return false -- The right subtitles are already present
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end
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end
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mp.msg.warn('No ' .. language[1] .. ' subtitles were detected\n' ..
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'=> Proceeding to download:')
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return true
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end
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-- Log function: log to both terminal and MPV OSD (On-Screen Display)
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function log(string, secs)
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secs = secs or 2.5 -- secs defaults to 2.5 when secs parameter is absent
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mp.msg.warn(string) -- This logs to the terminal
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mp.osd_message(string, secs) -- This logs to MPV screen
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end
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mp.add_key_binding('b', 'download_subs', download_subs)
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mp.add_key_binding('B', 'download_subs2', download_subs2)
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mp.register_event('file-loaded', control_downloads)
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