jf-roku/source/utils/Subtitles.brs

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function selectSubtitleTrack(tracks, current = -1) as integer
video = m.scene.focusedChild
trackSelected = selectSubtitleTrackDialog(video.Subtitles, video.SelectedSubtitle)
if trackSelected = invalid or tackSelected = -1 then ' back pressed in Dialog - no selection made
return -2
else
return trackSelected - 1
end if
end function
' Present Dialog to user to select subtitle track
function selectSubtitleTrackDialog(tracks, currentTrack = -1)
iso6392 = getSubtitleLanguages()
options = ["None"]
for each item in tracks
forced = ""
default = ""
if item.IsForced then forced = " [Forced]"
if item.IsDefault then default = " - Default"
if item.Track.Language <> invalid then
language = iso6392.lookup(item.Track.Language)
if language = invalid then language = item.Track.Language
else
language = "Undefined"
end if
options.push(language + forced + default)
end for
return option_dialog(options, "Select a subtitle track", currentTrack + 1)
end function
sub changeSubtitleDuringPlayback(newid)
' If no subtitles set
if newid = invalid or newid = -1 then
turnoffSubtitles()
return
end if
video = m.scene.focusedChild
' If no change of subtitle track, return
if newid = video.SelectedSubtitle then return
currentSubtitles = video.Subtitles[video.SelectedSubtitle]
newSubtitles = video.Subtitles[newid]
if newSubtitles.IsEncoded then
' Switching to Encoded Subtitle stream
video.control = "stop"
AddVideoContent(video, video.audioIndex, newSubtitles.Index, video.position * 10000000)
video.control = "play"
video.globalCaptionMode = "Off" ' Using encoded subtitles - so turn off text subtitles
else if currentSubtitles <> invalid AND currentSubtitles.IsEncoded then
' Switching from an Encoded stream to a text stream
video.control = "stop"
AddVideoContent(video, video.audioIndex, -1, video.position * 10000000)
video.control = "play"
video.globalCaptionMode = "On"
video.subtitleTrack = video.availableSubtitleTracks[newSubtitles.TextIndex].TrackName
else
' Switch to Text Subtitle Track
video.globalCaptionMode = "On"
video.subtitleTrack = video.availableSubtitleTracks[newSubtitles.TextIndex].TrackName
end if
video.SelectedSubtitle = newid
end sub
sub turnoffSubtitles()
video = m.scene.focusedChild
current = video.SelectedSubtitle
video.SelectedSubtitle = -1
video.globalCaptionMode = "Off"
m.device.EnableAppFocusEvent(false)
' Check if Enoded subtitles are being displayed, and turn off
if current > -1 and video.Subtitles[current].IsEncoded then
video.control = "stop"
AddVideoContent(video, video.audioIndex, -1, video.position * 10000000)
video.control = "play"
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": [] }
'Too many args for using substitute
prefered_lang = m.user.Configuration.SubtitleLanguagePreference
for each stream in MediaStreams
if stream.type = "Subtitle" then
url = ""
if stream.DeliveryUrl <> invalid then
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 then
trackType = "forced"
else if stream.IsDefault then
trackType = "default"
else
trackType = "normal"
end if
if prefered_lang <> "" and prefered_lang = stream.Track.Language then
tracks[trackType].unshift(stream)
else
tracks[trackType].push(stream)
end if
end if
end for
tracks["default"].append(tracks["normal"])
tracks["forced"].append(tracks["default"])
textTracks = []
for i = 0 to tracks["forced"].count() - 1
if tracks["forced"][i].IsTextSubtitleStream then
tracks["forced"][i].TextIndex = textTracks.count()
textTracks.push(tracks["forced"][i].Track)
end if
end for
return { "all" : tracks["forced"], "text": textTracks }
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