Inject a subtitle language into Synology - Video Station

video-station-language-injection.js

(function() {
  var synoLang;
  var isSynoReady;

  var additional = {
    code : 'vie', // <== uses reference language list at the bottom and set the 'code' to the language you wanted
    label: 'Tiếng Việt' // <== 'label' can be anything you wanted. i.e. if set to 'New lang 123' you will see 'New lang 123' in the list
  }


  var overrideSupportedLanguage = function () {
      synoLang = SYNO.SDS.Utils.getSupportedLanguage();
      synoLang.push([additional.code, additional.label])
      SYNO.SDS.Utils.getSupportedLanguage = function () {
        return synoLang;
      }
  }

  var overrideSubtitleSet = function() {
      SYNO.SDS.VideoStation2.Setting.AdvancedPanel.SubtitleSet.LANGUAGE_MAPPING[additional.code] = additional.code;
      SYNO.SDS.VideoStation2.Setting.AdvancedPanel.SubtitleSet.EXTRA_LANGUAGE.push([additional.code, additional.label]);
  }

  var waitForSyno = setInterval(function () {

    try {
      var testAssignment = SYNO.SDS.VideoStation2.Setting.AdvancedPanel;
      isSynoReady = true;
    } catch (ex) {}

    if (!isSynoReady) {return;}

    clearInterval(waitForSyno);

    overrideSubtitleSet()
    overrideSupportedLanguage();

    console.log('[DONE] New language injected:', `'${additional.code}' '${additional.label}'`);
  }, 500)

})();


// this is refference for language support list in subscene
// 'Albanian'             : {'id': 1, '3let': 'alb', '2let': 'sq', 'name': 'Albanian'},
// 'Arabic'               : {'id': 2, '3let': 'ara', '2let': 'ar', 'name': 'Arabic'},
// 'Big 5 code'           : {'id': 3, '3let': 'chi', '2let': 'zh', 'name': 'Chinese'},
// 'Brazillian Portuguese': {'id': 4, '3let': 'por', '2let': 'pb', 'name': 'Brazilian Portuguese'},
// 'Bulgarian'            : {'id': 5, '3let': 'bul', '2let': 'bg', 'name': 'Bulgarian'},
// 'Chinese BG code'      : {'id': 7, '3let': 'chi', '2let': 'zh', 'name': 'Chinese'},
// 'Croatian'             : {'id': 8, '3let': 'hrv', '2let': 'hr', 'name': 'Croatian'},
// 'Czech'                : {'id': 9, '3let': 'cze', '2let': 'cs', 'name': 'Czech'},
// 'Danish'               : {'id': 10, '3let': 'dan', '2let': 'da', 'name': 'Danish'},
// 'Dutch'                : {'id': 11, '3let': 'dut', '2let': 'nl', 'name': 'Dutch'},
// 'English'              : {'id': 13, '3let': 'eng', '2let': 'en', 'name': 'English'},
// 'Estonian'             : {'id': 16, '3let': 'est', '2let': 'et', 'name': 'Estonian'},
// 'Farsi/Persian'        : {'id': 46, '3let': 'per', '2let': 'fa', 'name': 'Persian'},
// 'Finnish'              : {'id': 17, '3let': 'fin', '2let': 'fi', 'name': 'Finnish'},
// 'French'               : {'id': 18, '3let': 'fre', '2let': 'fr', 'name': 'French'},
// 'German'               : {'id': 19, '3let': 'ger', '2let': 'de', 'name': 'German'},
// 'Greek'                : {'id': 21, '3let': 'gre', '2let': 'el', 'name': 'Greek'},
// 'Hebrew'               : {'id': 22, '3let': 'heb', '2let': 'he', 'name': 'Hebrew'},
// 'Hungarian'            : {'id': 23, '3let': 'hun', '2let': 'hu', 'name': 'Hungarian'},
// 'Icelandic'            : {'id': 25, '3let': 'ice', '2let': 'is', 'name': 'Icelandic'},
// 'Indonesian'           : {'id': 44, '3let': 'ind', '2let': 'id', 'name': 'Indonesian'},
// 'Italian'              : {'id': 26, '3let': 'ita', '2let': 'it', 'name': 'Italian'},
// 'Japanese'             : {'id': 27, '3let': 'jpn', '2let': 'ja', 'name': 'Japanese'},
// 'Korean'               : {'id': 28, '3let': 'kor', '2let': 'ko', 'name': 'Korean'},
// 'Lithuanian'           : {'id': 43, '3let': 'lit', '2let': 'lt', 'name': 'Lithuanian'},
// 'Malay'                : {'id': 50, '3let': 'may', '2let': 'ms', 'name': 'Malay'},
// 'Norwegian'            : {'id': 30, '3let': 'nor', '2let': 'no', 'name': 'Norwegian'},
// 'Polish'               : {'id': 31, '3let': 'pol', '2let': 'pl', 'name': 'Polish'},
// 'Portuguese'           : {'id': 32, '3let': 'por', '2let': 'pt', 'name': 'Portuguese'},
// 'Romanian'             : {'id': 33, '3let': 'rum', '2let': 'ro', 'name': 'Romanian'},
// 'Russian'              : {'id': 34, '3let': 'rus', '2let': 'ru', 'name': 'Russian'},
// 'Serbian'              : {'id': 35, '3let': 'scc', '2let': 'sr', 'name': 'Serbian'},
// 'Slovak'               : {'id': 36, '3let': 'slo', '2let': 'sk', 'name': 'Slovak'},
// 'Slovenian'            : {'id': 37, '3let': 'slv', '2let': 'sl', 'name': 'Slovenian'},
// 'Spanish'              : {'id': 38, '3let': 'spa', '2let': 'es', 'name': 'Spanish'},
// 'Swedish'              : {'id': 39, '3let': 'swe', '2let': 'sv', 'name': 'Swedish'},
// 'Thai'                 : {'id': 40, '3let': 'tha', '2let': 'th', 'name': 'Thai'},
// 'Turkish'              : {'id': 41, '3let': 'tur', '2let': 'tr', 'name': 'Turkish'},
// 'Vietnamese'           : {'id': 45, '3let': 'vie', '2let': 'vi', 'name': 'Vietnamese'}