import "pkg:/source/utils/misc.bs"
import "pkg:/source/api/Items.bs"
import "pkg:/source/api/UserLibrary.bs"
import "pkg:/source/api/baserequest.bs"
import "pkg:/source/utils/config.bs"
import "pkg:/source/api/Image.bs"
import "pkg:/source/api/userauth.bs"
import "pkg:/source/utils/deviceCapabilities.bs"
enum SubtitleSelection
notset = -2
none = -1
end enum
sub init()
m.user = AboutMe()
m.top.functionName = "loadItems"
end sub
sub loadItems()
' Reset intro tracker in case task gets reused
m.top.isIntro = false
' Only show preroll once per queue
if m.global.queueManager.callFunc("isPrerollActive")
' Prerolls not allowed if we're resuming video
if m.global.queueManager.callFunc("getCurrentItem").startingPoint = 0
preRoll = GetIntroVideos(m.top.itemId)
if isValid(preRoll) and preRoll.TotalRecordCount > 0 and isValid(preRoll.items[0])
' If an error is thrown in the Intros plugin, instead of passing the error they pass the entire rick roll music video.
' Bypass the music video and treat it as an error message
if lcase(preRoll.items[0].name) <> "rick roll'd"
m.global.queueManager.callFunc("push", m.global.queueManager.callFunc("getCurrentItem"))
m.top.itemId = preRoll.items[0].id
m.global.queueManager.callFunc("setPrerollStatus", false)
m.top.isIntro = true
end if
end if
end if
end if
if m.top.selectedAudioStreamIndex = 0
currentItem = m.global.queueManager.callFunc("getCurrentItem")
if isValid(currentItem) and isValid(currentItem.json)
m.top.selectedAudioStreamIndex = FindPreferredAudioStream(currentItem.json.MediaStreams)
end if
end if
id = m.top.itemId
mediaSourceId = invalid
audio_stream_idx = m.top.selectedAudioStreamIndex
forceTranscoding = false
m.top.content = [LoadItems_VideoPlayer(id, mediaSourceId, audio_stream_idx, forceTranscoding)]
end sub
function LoadItems_VideoPlayer(id as string, mediaSourceId = invalid as dynamic, audio_stream_idx = 1 as integer, forceTranscoding = false as boolean) as dynamic
video = {}
video.id = id
video.content = createObject("RoSGNode", "ContentNode")
LoadItems_AddVideoContent(video, mediaSourceId, audio_stream_idx, forceTranscoding)
if video.content = invalid
return invalid
end if
return video
end function
sub LoadItems_AddVideoContent(video as object, mediaSourceId as dynamic, audio_stream_idx = 1 as integer, forceTranscoding = false as boolean)
meta = ItemMetaData(video.id)
subtitle_idx = m.top.selectedSubtitleIndex
if not isValid(meta)
video.errorMsg = "Error loading metadata"
video.content = invalid
return
end if
videotype = LCase(meta.type)
' Check for any Live TV streams coming from other places other than the TV Guide
if isValid(meta.json) and isValid(meta.json.ChannelId)
if isValid(meta.json.EpisodeTitle)
meta.title = meta.json.EpisodeTitle
else if isValid(meta.json.Name)
meta.title = meta.json.Name
end if
meta.live = true
if LCase(meta.json.type) = "program"
video.id = meta.json.ChannelId
else
video.id = meta.json.id
end if
end if
if videotype = "episode" or videotype = "series"
video.content.contenttype = "episode"
end if
video.chapters = meta.json.Chapters
video.content.title = meta.title
video.showID = meta.showID
user = AboutMe()
if user.Configuration.EnableNextEpisodeAutoPlay
if LCase(m.top.itemType) = "episode"
addNextEpisodesToQueue(video.showID)
end if
end if
playbackPosition = 0!
currentItem = m.global.queueManager.callFunc("getCurrentItem")
if isValid(currentItem) and isValid(currentItem.startingPoint)
playbackPosition = currentItem.startingPoint
end if
' PlayStart requires the time to be in seconds
video.content.PlayStart = int(playbackPosition / 10000000)
if not isValid(mediaSourceId) then mediaSourceId = video.id
if meta.live then mediaSourceId = ""
m.playbackInfo = ItemPostPlaybackInfo(video.id, mediaSourceId, audio_stream_idx, subtitle_idx, playbackPosition)
if not isValid(m.playbackInfo)
video.errorMsg = "Error loading playback info"
video.content = invalid
return
end if
addSubtitlesToVideo(video, meta)
' Enable default subtitle track
if subtitle_idx = SubtitleSelection.notset
defaultSubtitleIndex = defaultSubtitleTrackFromVid(video.id)
if defaultSubtitleIndex <> SubtitleSelection.none
video.SelectedSubtitle = defaultSubtitleIndex
subtitle_idx = defaultSubtitleIndex
m.playbackInfo = ItemPostPlaybackInfo(video.id, mediaSourceId, audio_stream_idx, subtitle_idx, playbackPosition)
if not isValid(m.playbackInfo)
video.errorMsg = "Error loading playback info"
video.content = invalid
return
end if
addSubtitlesToVideo(video, meta)
else
video.SelectedSubtitle = subtitle_idx
end if
else
video.SelectedSubtitle = subtitle_idx
end if
video.videoId = video.id
video.mediaSourceId = mediaSourceId
video.audioIndex = audio_stream_idx
video.PlaySessionId = m.playbackInfo.PlaySessionId
if meta.live
video.content.live = true
video.content.StreamFormat = "hls"
end if
video.container = getContainerType(meta)
if not isValid(m.playbackInfo.MediaSources[0])
m.playbackInfo = meta.json
end if
if meta.live
video.transcodeParams = {
"MediaSourceId": m.playbackInfo.MediaSources[0].Id,
"LiveStreamId": m.playbackInfo.MediaSources[0].LiveStreamId,
"PlaySessionId": video.PlaySessionId
}
end if
' 'TODO: allow user selection of subtitle track before playback initiated, for now set to no subtitles
video.directPlaySupported = m.playbackInfo.MediaSources[0].SupportsDirectPlay
fully_external = false
' For h264/hevc video, Roku spec states that it supports specfic encoding levels
' The device can decode content with a Higher Encoding level but may play it back with certain
' artifacts. If the user preference is set, and the only reason the server says we need to
' transcode is that the Encoding Level is not supported, then try to direct play but silently
' fall back to the transcode if that fails.
if m.playbackInfo.MediaSources[0].MediaStreams.Count() > 0 and meta.live = false
tryDirectPlay = m.global.session.user.settings["playback.tryDirect.h264ProfileLevel"] and m.playbackInfo.MediaSources[0].MediaStreams[0].codec = "h264"
tryDirectPlay = tryDirectPlay or (m.global.session.user.settings["playback.tryDirect.hevcProfileLevel"] and m.playbackInfo.MediaSources[0].MediaStreams[0].codec = "hevc")
if tryDirectPlay and isValid(m.playbackInfo.MediaSources[0].TranscodingUrl) and forceTranscoding = false
transcodingReasons = getTranscodeReasons(m.playbackInfo.MediaSources[0].TranscodingUrl)
if transcodingReasons.Count() = 1 and transcodingReasons[0] = "VideoLevelNotSupported"
video.directPlaySupported = true
video.transcodeAvailable = true
end if
end if
end if
if video.directPlaySupported
video.isTranscoded = false
addVideoContentURL(video, mediaSourceId, audio_stream_idx, fully_external)
else
if m.playbackInfo.MediaSources[0].TranscodingUrl = invalid
' If server does not provide a transcode URL, display a message to the user
m.global.sceneManager.callFunc("userMessage", tr("Error Getting Playback Information"), tr("An error was encountered while playing this item. Server did not provide required transcoding data."))
video.errorMsg = "Error getting playback information"
video.content = invalid
return
end if
' Get transcoding reason
video.transcodeReasons = getTranscodeReasons(m.playbackInfo.MediaSources[0].TranscodingUrl)
video.content.url = buildURL(m.playbackInfo.MediaSources[0].TranscodingUrl)
video.isTranscoded = true
end if
setCertificateAuthority(video.content)
video.audioTrack = (audio_stream_idx + 1).ToStr() ' Roku's track indexes count from 1. Our index is zero based
if not fully_external
video.content = authRequest(video.content)
end if
end sub
' defaultSubtitleTrackFromVid: Identifies the default subtitle track given video id
'
' @param {dynamic} videoID - id of video user is playing
' @return {integer} indicating the default track's server-side index. Defaults to {SubtitleSelection.none} is one is not found
function defaultSubtitleTrackFromVid(videoID) as integer
if m.global.session.user.configuration.SubtitleMode = "None"
return SubtitleSelection.none ' No subtitles desired: return none
end if
meta = ItemMetaData(videoID)
if not isValid(meta) then return SubtitleSelection.none
if not isValid(meta.json) then return SubtitleSelection.none
if not isValidAndNotEmpty(meta.json.mediaSources) then return SubtitleSelection.none
if not isValidAndNotEmpty(meta.json.MediaSources[0].MediaStreams) then return SubtitleSelection.none
subtitles = sortSubtitles(meta.id, meta.json.MediaSources[0].MediaStreams)
selectedAudioLanguage = meta.json.MediaSources[0].MediaStreams[m.top.selectedAudioStreamIndex].Language ?? ""
defaultTextSubs = defaultSubtitleTrack(subtitles["text"], selectedAudioLanguage, true) ' Find correct subtitle track (forced text)
if defaultTextSubs <> SubtitleSelection.none
return defaultTextSubs
end if
if not m.global.session.user.settings["playback.subs.onlytext"]
return defaultSubtitleTrack(subtitles["all"], selectedAudioLanguage) ' if no appropriate text subs exist, allow non-text
end if
return SubtitleSelection.none
end function
' defaultSubtitleTrack:
'
' @param {dynamic} sortedSubtitles - array of subtitles sorted by type and language
' @param {string} selectedAudioLanguage - language for selected audio track
' @param {boolean} [requireText=false] - indicates if only text subtitles should be considered
' @return {integer} indicating the default track's server-side index. Defaults to {SubtitleSelection.none} is one is not found
function defaultSubtitleTrack(sortedSubtitles, selectedAudioLanguage as string, requireText = false as boolean) as integer
userConfig = m.global.session.user.configuration
subtitleMode = isValid(userConfig.SubtitleMode) ? LCase(userConfig.SubtitleMode) : ""
allowSmartMode = false
' Only evaluate selected audio language if we have a value
if selectedAudioLanguage <> ""
allowSmartMode = selectedAudioLanguage <> userConfig.SubtitleLanguagePreference
end if
for each item in sortedSubtitles
' Only auto-select subtitle if language matches SubtitleLanguagePreference
languageMatch = true
if userConfig.SubtitleLanguagePreference <> ""
languageMatch = (userConfig.SubtitleLanguagePreference = item.Track.Language)
end if
' Ensure textuality of subtitle matches preferenced passed as arg
matchTextReq = ((requireText and item.IsTextSubtitleStream) or not requireText)
if languageMatch and matchTextReq
if subtitleMode = "default" and (item.isForced or item.IsDefault)
' Return first forced or default subtitle track
return item.Index
else if subtitleMode = "always"
' Return the first found subtitle track
return item.Index
else if subtitleMode = "onlyforced" and item.IsForced
' Return first forced subtitle track
return item.Index
else if subtitleMode = "smart" and allowSmartMode
' Return the first found subtitle track
return item.Index
end if
end if
end for
' User has chosed smart subtitle mode
' We already attempted to load subtitles in preferred language, but none were found.
' Fall back to default behaviour while ignoring preferredlanguage
if subtitleMode = "smart" and allowSmartMode
for each item in sortedSubtitles
' Ensure textuality of subtitle matches preferenced passed as arg
matchTextReq = ((requireText and item.IsTextSubtitleStream) or not requireText)
if matchTextReq
if item.isForced or item.IsDefault
' Return first forced or default subtitle track
return item.Index
end if
end if
end for
end if
return SubtitleSelection.none ' Keep current default behavior of "None", if no correct subtitle is identified
end function
sub addVideoContentURL(video, mediaSourceId, audio_stream_idx, fully_external)
protocol = LCase(m.playbackInfo.MediaSources[0].Protocol)
if protocol <> "file"
uri = parseUrl(m.playbackInfo.MediaSources[0].Path)
if isLocalhost(uri[2])
' if the domain of the URI is local to the server,
' create a new URI by appending the received path to the server URL
' later we will substitute the users provided URL for this case
video.content.url = buildURL(uri[4])
else
fully_external = true
video.content.url = m.playbackInfo.MediaSources[0].Path
end if
else
params = {
"Static": "true",
"Container": video.container,
"PlaySessionId": video.PlaySessionId,
"AudioStreamIndex": audio_stream_idx
}
if mediaSourceId <> ""
params.MediaSourceId = mediaSourceId
end if
video.content.url = buildURL(Substitute("Videos/{0}/stream", video.id), params)
end if
end sub
sub addSubtitlesToVideo(video, meta)
subtitles = sortSubtitles(meta.id, m.playbackInfo.MediaSources[0].MediaStreams)
safesubs = subtitles["all"]
subtitleTracks = []
if m.global.session.user.settings["playback.subs.onlytext"] = true
safesubs = subtitles["text"]
end if
for each subtitle in safesubs
subtitleTracks.push(subtitle.track)
end for
video.content.SubtitleTracks = subtitleTracks
video.fullSubtitleData = safesubs
end sub
'
' Extract array of Transcode Reasons from the content URL
' @returns Array of Strings
function getTranscodeReasons(url as string) as object
regex = CreateObject("roRegex", "&TranscodeReasons=([^&]*)", "")
match = regex.Match(url)
if match.count() > 1
return match[1].Split(",")
end if
return []
end function
function directPlaySupported(meta as object) as boolean
devinfo = CreateObject("roDeviceInfo")
if isValid(meta.json.MediaSources[0]) and meta.json.MediaSources[0].SupportsDirectPlay = false
return false
end if
if meta.json.MediaStreams[0] = invalid
return false
end if
streamInfo = { Codec: meta.json.MediaStreams[0].codec }
if isValid(meta.json.MediaStreams[0].Profile) and meta.json.MediaStreams[0].Profile.len() > 0
streamInfo.Profile = LCase(meta.json.MediaStreams[0].Profile)
end if
if isValid(meta.json.MediaSources[0].container) and meta.json.MediaSources[0].container.len() > 0
'CanDecodeVideo() requires the .container to be format: “mp4”, “hls”, “mkv”, “ism”, “dash”, “ts” if its to direct stream
if meta.json.MediaSources[0].container = "mov"
streamInfo.Container = "mp4"
else
streamInfo.Container = meta.json.MediaSources[0].container
end if
end if
decodeResult = devinfo.CanDecodeVideo(streamInfo)
return decodeResult <> invalid and decodeResult.result
end function
function getContainerType(meta as object) as string
' Determine the file type of the video file source
if meta.json.mediaSources = invalid then return ""
container = meta.json.mediaSources[0].container
if container = invalid
container = ""
else if container = "m4v" or container = "mov"
container = "mp4"
end if
return container
end function
' Add next episodes to the playback queue
sub addNextEpisodesToQueue(showID)
' Don't queue next episodes if we already have a playback queue
maxQueueCount = 1
if m.top.isIntro
maxQueueCount = 2
end if
if m.global.queueManager.callFunc("getCount") > maxQueueCount then return
videoID = m.top.itemId
' If first item is an intro video, use the next item in the queue
if m.top.isIntro
currentVideo = m.global.queueManager.callFunc("getItemByIndex", 1)
if isValid(currentVideo) and isValid(currentVideo.id)
videoID = currentVideo.id
' Override showID value since it's for the intro video
meta = ItemMetaData(videoID)
if isValid(meta)
showID = meta.showID
end if
end if
end if
url = Substitute("Shows/{0}/Episodes", showID)
urlParams = { "UserId": m.global.session.user.id }
urlParams.Append({ "StartItemId": videoID })
urlParams.Append({ "Limit": 50 })
resp = APIRequest(url, urlParams)
data = getJson(resp)
if isValid(data) and data.Items.Count() > 1
for i = 1 to data.Items.Count() - 1
m.global.queueManager.callFunc("push", data.Items[i])
end for
end if
end sub
'Checks available subtitle tracks and puts subtitles in forced, default, and non-default/forced but preferred language at the top
function sortSubtitles(id as string, MediaStreams)
tracks = { "forced": [], "default": [], "normal": [], "text": [] }
'Too many args for using substitute
prefered_lang = m.global.session.user.configuration.SubtitleLanguagePreference
for each stream in MediaStreams
if stream.type = "Subtitle"
url = ""
if isValid(stream.DeliveryUrl)
url = buildURL(stream.DeliveryUrl)
end if
stream = {
"Track": { "Language": stream.language, "Description": stream.displaytitle, "TrackName": url },
"IsTextSubtitleStream": stream.IsTextSubtitleStream,
"Index": stream.index,
"IsDefault": stream.IsDefault,
"IsForced": stream.IsForced,
"IsExternal": stream.IsExternal,
"IsEncoded": stream.DeliveryMethod = "Encode"
}
if stream.isForced
trackType = "forced"
else if stream.IsDefault
trackType = "default"
else
trackType = "normal"
end if
if prefered_lang <> "" and prefered_lang = stream.Track.Language
tracks[trackType].unshift(stream)
if stream.IsTextSubtitleStream
tracks["text"].unshift(stream)
end if
else
tracks[trackType].push(stream)
if stream.IsTextSubtitleStream
tracks["text"].push(stream)
end if
end if
end if
end for
tracks["default"].append(tracks["normal"])
tracks["forced"].append(tracks["default"])
return { "all": tracks["forced"], "text": tracks["text"] }
end function
function FindPreferredAudioStream(streams as dynamic) as integer
preferredLanguage = m.user.Configuration.AudioLanguagePreference
playDefault = m.user.Configuration.PlayDefaultAudioTrack
if playDefault <> invalid and playDefault = true
return 1
end if
' Do we already have the MediaStreams or not?
if streams = invalid
url = Substitute("Users/{0}/Items/{1}", m.user.id, m.top.itemId)
resp = APIRequest(url)
jsonResponse = getJson(resp)
if jsonResponse = invalid or jsonResponse.MediaStreams = invalid then return 1
streams = jsonResponse.MediaStreams
end if
if preferredLanguage <> invalid
for i = 0 to streams.Count() - 1
if LCase(streams[i].Type) = "audio"
if streams[i].Language <> invalid and LCase(streams[i].Language) = LCase(preferredLanguage)
return i
end if
end if
end for
end if
return 1
end function
function getSubtitleLanguages()
return {
"aar": "Afar",
"abk": "Abkhazian",
"ace": "Achinese",
"ach": "Acoli",
"ada": "Adangme",
"ady": "Adyghe; Adygei",
"afa": "Afro-Asiatic languages",
"afh": "Afrihili",
"afr": "Afrikaans",
"ain": "Ainu",
"aka": "Akan",
"akk": "Akkadian",
"alb": "Albanian",
"ale": "Aleut",
"alg": "Algonquian languages",
"alt": "Southern Altai",
"amh": "Amharic",
"ang": "English, Old (ca.450-1100)",
"anp": "Angika",
"apa": "Apache languages",
"ara": "Arabic",
"arc": "Official Aramaic (700-300 BCE); Imperial Aramaic (700-300 BCE)",
"arg": "Aragonese",
"arm": "Armenian",
"arn": "Mapudungun; Mapuche",
"arp": "Arapaho",
"art": "Artificial languages",
"arw": "Arawak",
"asm": "Assamese",
"ast": "Asturian; Bable; Leonese; Asturleonese",
"ath": "Athapascan languages",
"aus": "Australian languages",
"ava": "Avaric",
"ave": "Avestan",
"awa": "Awadhi",
"aym": "Aymara",
"aze": "Azerbaijani",
"bad": "Banda languages",
"bai": "Bamileke languages",
"bak": "Bashkir",
"bal": "Baluchi",
"bam": "Bambara",
"ban": "Balinese",
"baq": "Basque",
"bas": "Basa",
"bat": "Baltic languages",
"bej": "Beja; Bedawiyet",
"bel": "Belarusian",
"bem": "Bemba",
"ben": "Bengali",
"ber": "Berber languages",
"bho": "Bhojpuri",
"bih": "Bihari languages",
"bik": "Bikol",
"bin": "Bini; Edo",
"bis": "Bislama",
"bla": "Siksika",
"bnt": "Bantu (Other)",
"bos": "Bosnian",
"bra": "Braj",
"bre": "Breton",
"btk": "Batak languages",
"bua": "Buriat",
"bug": "Buginese",
"bul": "Bulgarian",
"bur": "Burmese",
"byn": "Blin; Bilin",
"cad": "Caddo",
"cai": "Central American Indian languages",
"car": "Galibi Carib",
"cat": "Catalan; Valencian",
"cau": "Caucasian languages",
"ceb": "Cebuano",
"cel": "Celtic languages",
"cha": "Chamorro",
"chb": "Chibcha",
"che": "Chechen",
"chg": "Chagatai",
"chi": "Chinese",
"chk": "Chuukese",
"chm": "Mari",
"chn": "Chinook jargon",
"cho": "Choctaw",
"chp": "Chipewyan; Dene Suline",
"chr": "Cherokee",
"chu": "Church Slavic; Old Slavonic; Church Slavonic; Old Bulgarian; Old Church Slavonic",
"chv": "Chuvash",
"chy": "Cheyenne",
"cmc": "Chamic languages",
"cop": "Coptic",
"cor": "Cornish",
"cos": "Corsican",
"cpe": "Creoles and pidgins, English based",
"cpf": "Creoles and pidgins, French-based ",
"cpp": "Creoles and pidgins, Portuguese-based ",
"cre": "Cree",
"crh": "Crimean Tatar; Crimean Turkish",
"crp": "Creoles and pidgins ",
"csb": "Kashubian",
"cus": "Cushitic languages",
"cze": "Czech",
"dak": "Dakota",
"dan": "Danish",
"dar": "Dargwa",
"day": "Land Dayak languages",
"del": "Delaware",
"den": "Slave (Athapascan)",
"dgr": "Dogrib",
"din": "Dinka",
"div": "Divehi; Dhivehi; Maldivian",
"doi": "Dogri",
"dra": "Dravidian languages",
"dsb": "Lower Sorbian",
"dua": "Duala",
"dum": "Dutch, Middle (ca.1050-1350)",
"dut": "Dutch; Flemish",
"dyu": "Dyula",
"dzo": "Dzongkha",
"efi": "Efik",
"egy": "Egyptian (Ancient)",
"eka": "Ekajuk",
"elx": "Elamite",
"eng": "English",
"enm": "English, Middle (1100-1500)",
"epo": "Esperanto",
"est": "Estonian",
"ewe": "Ewe",
"ewo": "Ewondo",
"fan": "Fang",
"fao": "Faroese",
"fat": "Fanti",
"fij": "Fijian",
"fil": "Filipino; Pilipino",
"fin": "Finnish",
"fiu": "Finno-Ugrian languages",
"fon": "Fon",
"fre": "French",
"frm": "French, Middle (ca.1400-1600)",
"fro": "French, Old (842-ca.1400)",
"frc": "French (Canada)",
"frr": "Northern Frisian",
"frs": "Eastern Frisian",
"fry": "Western Frisian",
"ful": "Fulah",
"fur": "Friulian",
"gaa": "Ga",
"gay": "Gayo",
"gba": "Gbaya",
"gem": "Germanic languages",
"geo": "Georgian",
"ger": "German",
"gez": "Geez",
"gil": "Gilbertese",
"gla": "Gaelic; Scottish Gaelic",
"gle": "Irish",
"glg": "Galician",
"glv": "Manx",
"gmh": "German, Middle High (ca.1050-1500)",
"goh": "German, Old High (ca.750-1050)",
"gon": "Gondi",
"gor": "Gorontalo",
"got": "Gothic",
"grb": "Grebo",
"grc": "Greek, Ancient (to 1453)",
"gre": "Greek, Modern (1453-)",
"grn": "Guarani",
"gsw": "Swiss German; Alemannic; Alsatian",
"guj": "Gujarati",
"gwi": "Gwich'in",
"hai": "Haida",
"hat": "Haitian; Haitian Creole",
"hau": "Hausa",
"haw": "Hawaiian",
"heb": "Hebrew",
"her": "Herero",
"hil": "Hiligaynon",
"him": "Himachali languages; Western Pahari languages",
"hin": "Hindi",
"hit": "Hittite",
"hmn": "Hmong; Mong",
"hmo": "Hiri Motu",
"hrv": "Croatian",
"hsb": "Upper Sorbian",
"hun": "Hungarian",
"hup": "Hupa",
"iba": "Iban",
"ibo": "Igbo",
"ice": "Icelandic",
"ido": "Ido",
"iii": "Sichuan Yi; Nuosu",
"ijo": "Ijo languages",
"iku": "Inuktitut",
"ile": "Interlingue; Occidental",
"ilo": "Iloko",
"ina": "Interlingua (International Auxiliary Language Association)",
"inc": "Indic languages",
"ind": "Indonesian",
"ine": "Indo-European languages",
"inh": "Ingush",
"ipk": "Inupiaq",
"ira": "Iranian languages",
"iro": "Iroquoian languages",
"ita": "Italian",
"jav": "Javanese",
"jbo": "Lojban",
"jpn": "Japanese",
"jpr": "Judeo-Persian",
"jrb": "Judeo-Arabic",
"kaa": "Kara-Kalpak",
"kab": "Kabyle",
"kac": "Kachin; Jingpho",
"kal": "Kalaallisut; Greenlandic",
"kam": "Kamba",
"kan": "Kannada",
"kar": "Karen languages",
"kas": "Kashmiri",
"kau": "Kanuri",
"kaw": "Kawi",
"kaz": "Kazakh",
"kbd": "Kabardian",
"kha": "Khasi",
"khi": "Khoisan languages",
"khm": "Central Khmer",
"kho": "Khotanese; Sakan",
"kik": "Kikuyu; Gikuyu",
"kin": "Kinyarwanda",
"kir": "Kirghiz; Kyrgyz",
"kmb": "Kimbundu",
"kok": "Konkani",
"kom": "Komi",
"kon": "Kongo",
"kor": "Korean",
"kos": "Kosraean",
"kpe": "Kpelle",
"krc": "Karachay-Balkar",
"krl": "Karelian",
"kro": "Kru languages",
"kru": "Kurukh",
"kua": "Kuanyama; Kwanyama",
"kum": "Kumyk",
"kur": "Kurdish",
"kut": "Kutenai",
"lad": "Ladino",
"lah": "Lahnda",
"lam": "Lamba",
"lao": "Lao",
"lat": "Latin",
"lav": "Latvian",
"lez": "Lezghian",
"lim": "Limburgan; Limburger; Limburgish",
"lin": "Lingala",
"lit": "Lithuanian",
"lol": "Mongo",
"loz": "Lozi",
"ltz": "Luxembourgish; Letzeburgesch",
"lua": "Luba-Lulua",
"lub": "Luba-Katanga",
"lug": "Ganda",
"lui": "Luiseno",
"lun": "Lunda",
"luo": "Luo (Kenya and Tanzania)",
"lus": "Lushai",
"mac": "Macedonian",
"mad": "Madurese",
"mag": "Magahi",
"mah": "Marshallese",
"mai": "Maithili",
"mak": "Makasar",
"mal": "Malayalam",
"man": "Mandingo",
"mao": "Maori",
"map": "Austronesian languages",
"mar": "Marathi",
"mas": "Masai",
"may": "Malay",
"mdf": "Moksha",
"mdr": "Mandar",
"men": "Mende",
"mga": "Irish, Middle (900-1200)",
"mic": "Mi'kmaq; Micmac",
"min": "Minangkabau",
"mis": "Uncoded languages",
"mkh": "Mon-Khmer languages",
"mlg": "Malagasy",
"mlt": "Maltese",
"mnc": "Manchu",
"mni": "Manipuri",
"mno": "Manobo languages",
"moh": "Mohawk",
"mon": "Mongolian",
"mos": "Mossi",
"mul": "Multiple languages",
"mun": "Munda languages",
"mus": "Creek",
"mwl": "Mirandese",
"mwr": "Marwari",
"myn": "Mayan languages",
"myv": "Erzya",
"nah": "Nahuatl languages",
"nai": "North American Indian languages",
"nap": "Neapolitan",
"nau": "Nauru",
"nav": "Navajo; Navaho",
"nbl": "Ndebele, South; South Ndebele",
"nde": "Ndebele, North; North Ndebele",
"ndo": "Ndonga",
"nds": "Low German; Low Saxon; German, Low; Saxon, Low",
"nep": "Nepali",
"new": "Nepal Bhasa; Newari",
"nia": "Nias",
"nic": "Niger-Kordofanian languages",
"niu": "Niuean",
"nno": "Norwegian Nynorsk; Nynorsk, Norwegian",
"nob": "Bokmål, Norwegian; Norwegian Bokmål",
"nog": "Nogai",
"non": "Norse, Old",
"nor": "Norwegian",
"nqo": "N'Ko",
"nso": "Pedi; Sepedi; Northern Sotho",
"nub": "Nubian languages",
"nwc": "Classical Newari; Old Newari; Classical Nepal Bhasa",
"nya": "Chichewa; Chewa; Nyanja",
"nym": "Nyamwezi",
"nyn": "Nyankole",
"nyo": "Nyoro",
"nzi": "Nzima",
"oci": "Occitan (post 1500); Provençal",
"oji": "Ojibwa",
"ori": "Oriya",
"orm": "Oromo",
"osa": "Osage",
"oss": "Ossetian; Ossetic",
"ota": "Turkish, Ottoman (1500-1928)",
"oto": "Otomian languages",
"paa": "Papuan languages",
"pag": "Pangasinan",
"pal": "Pahlavi",
"pam": "Pampanga; Kapampangan",
"pan": "Panjabi; Punjabi",
"pap": "Papiamento",
"pau": "Palauan",
"peo": "Persian, Old (ca.600-400 B.C.)",
"per": "Persian",
"phi": "Philippine languages",
"phn": "Phoenician",
"pli": "Pali",
"pol": "Polish",
"pon": "Pohnpeian",
"por": "Portuguese",
"pob": "Portuguese (Brazil)",
"pra": "Prakrit languages",
"pro": "Provençal, Old (to 1500)",
"pus": "Pushto; Pashto",
"qaa-qtz": "Reserved for local use",
"que": "Quechua",
"raj": "Rajasthani",
"rap": "Rapanui",
"rar": "Rarotongan; Cook Islands Maori",
"roa": "Romance languages",
"roh": "Romansh",
"rom": "Romany",
"rum": "Romanian; Moldavian; Moldovan",
"run": "Rundi",
"rup": "Aromanian; Arumanian; Macedo-Romanian",
"rus": "Russian",
"sad": "Sandawe",
"sag": "Sango",
"sah": "Yakut",
"sai": "South American Indian (Other)",
"sal": "Salishan languages",
"sam": "Samaritan Aramaic",
"san": "Sanskrit",
"sas": "Sasak",
"sat": "Santali",
"scn": "Sicilian",
"sco": "Scots",
"sel": "Selkup",
"sem": "Semitic languages",
"sga": "Irish, Old (to 900)",
"sgn": "Sign Languages",
"shn": "Shan",
"sid": "Sidamo",
"sin": "Sinhala; Sinhalese",
"sio": "Siouan languages",
"sit": "Sino-Tibetan languages",
"sla": "Slavic languages",
"slo": "Slovak",
"slv": "Slovenian",
"sma": "Southern Sami",
"sme": "Northern Sami",
"smi": "Sami languages",
"smj": "Lule Sami",
"smn": "Inari Sami",
"smo": "Samoan",
"sms": "Skolt Sami",
"sna": "Shona",
"snd": "Sindhi",
"snk": "Soninke",
"sog": "Sogdian",
"som": "Somali",
"son": "Songhai languages",
"sot": "Sotho, Southern",
"spa": "Spanish; Latin",
"spa": "Spanish; Castilian",
"srd": "Sardinian",
"srn": "Sranan Tongo",
"srp": "Serbian",
"srr": "Serer",
"ssa": "Nilo-Saharan languages",
"ssw": "Swati",
"suk": "Sukuma",
"sun": "Sundanese",
"sus": "Susu",
"sux": "Sumerian",
"swa": "Swahili",
"swe": "Swedish",
"syc": "Classical Syriac",
"syr": "Syriac",
"tah": "Tahitian",
"tai": "Tai languages",
"tam": "Tamil",
"tat": "Tatar",
"tel": "Telugu",
"tem": "Timne",
"ter": "Tereno",
"tet": "Tetum",
"tgk": "Tajik",
"tgl": "Tagalog",
"tha": "Thai",
"tib": "Tibetan",
"tig": "Tigre",
"tir": "Tigrinya",
"tiv": "Tiv",
"tkl": "Tokelau",
"tlh": "Klingon; tlhIngan-Hol",
"tli": "Tlingit",
"tmh": "Tamashek",
"tog": "Tonga (Nyasa)",
"ton": "Tonga (Tonga Islands)",
"tpi": "Tok Pisin",
"tsi": "Tsimshian",
"tsn": "Tswana",
"tso": "Tsonga",
"tuk": "Turkmen",
"tum": "Tumbuka",
"tup": "Tupi languages",
"tur": "Turkish",
"tut": "Altaic languages",
"tvl": "Tuvalu",
"twi": "Twi",
"tyv": "Tuvinian",
"udm": "Udmurt",
"uga": "Ugaritic",
"uig": "Uighur; Uyghur",
"ukr": "Ukrainian",
"umb": "Umbundu",
"und": "Undetermined",
"urd": "Urdu",
"uzb": "Uzbek",
"vai": "Vai",
"ven": "Venda",
"vie": "Vietnamese",
"vol": "Volapük",
"vot": "Votic",
"wak": "Wakashan languages",
"wal": "Walamo",
"war": "Waray",
"was": "Washo",
"wel": "Welsh",
"wen": "Sorbian languages",
"wln": "Walloon",
"wol": "Wolof",
"xal": "Kalmyk; Oirat",
"xho": "Xhosa",
"yao": "Yao",
"yap": "Yapese",
"yid": "Yiddish",
"yor": "Yoruba",
"ypk": "Yupik languages",
"zap": "Zapotec",
"zbl": "Blissymbols; Blissymbolics; Bliss",
"zen": "Zenaga",
"zgh": "Standard Moroccan Tamazight",
"zha": "Zhuang; Chuang",
"znd": "Zande languages",
"zul": "Zulu",
"zun": "Zuni",
"zxx": "No linguistic content; Not applicable",
"zza": "Zaza; Dimili; Dimli; Kirdki; Kirmanjki; Zazaki"
}
end function