multi-downloader-nx/modules/merger.js
2021-07-02 20:04:52 +02:00

106 lines
No EOL
2.9 KiB
JavaScript

const iso639 = require('iso-639');
const argv = require('../funi').argv
/**
* @param {string} videoFile
* @param {object} audioFile
* @param {Array<object>} subtitles
* @returns {string}
*/
const buildCommandFFmpeg = (videoFile, audioSettings, subtitles, output) => {
let args = []
args.push(`-i "${videoFile}"`)
if (audioSettings.uri)
args.push(`-i "${audioSettings.uri}"`)
for (let index in subtitles) {
let sub = subtitles[index]
args.push(`-i "${sub.file}"`)
}
args.push('-map 0')
if (audioSettings.uri)
args.push( `-map 1`)
args.push(...subtitles.map((_, index) => `-map ${index + (audioSettings.uri ? 2 : 1)}`))
args.push(
'-metadata:s:v:0 title="[Funimation]"',
`-metadata:s:a:0 language=${getLanguageCode(audioSettings.language, argv.sub ? 'jpn' : 'eng')}`,
`-c:v copy`,
`-c:a copy`,
`-c:s mov_text`,
`-c:s ass`
)
args.push(...subtitles.map((sub, index) => `-metadata:s:${index + 2} language=${getLanguageCode(sub.language)}`))
args.push(`"${output}"`)
return args.join(" ")
}
/**
* @param {string} videoFile
* @param {object} audioFile
* @param {Array<object>} subtitles
* @returns {string}
*/
const buildCommandMkvMerge = (videoFile, audioSettings, subtitles, output) => {
let args = []
args.push(`-o "${output}"`)
args.push(
'--no-date',
'--disable-track-statistics-tags',
'--engage no_variable_data',
'--track-name 0:[Funimation]'
)
if (audioSettings.uri) {
args.push(
'--video-tracks 0',
'--no-audio'
);
args.push(`"${videoFile}"`);
args.push(`--language 0:${getLanguageCode(audioSettings.language, argv.sub ? 'jpn' : 'eng')}`);
args.push(
'--no-video',
'--audio-tracks 0'
);
args.push(`"${audioSettings.uri}"`);
} else{
args.push(`--language 1:${argv.sub ? 'jpn' : 'eng'}`);
args.push(
'--video-tracks 0',
'--audio-tracks 1'
);
args.push(`"${videoFile}"`);
}
if(subtitles.length > 0){
for (let index in subtitles) {
subObj = subtitles[index]
args.push('--language',`${/*parseInt(index) + (audioSettings.uri ? 2 : 1)*/0}:${getLanguageCode(subObj.language)}`);
args.push(`"${subObj.file}"`);
}
} else {
args.push(
'--no-subtitles',
'--no-attachments'
)
}
return args.join(" ")
}
const getLanguageCode = (from, _default = 'eng') => {
for (let lang in iso639.iso_639_2) {
let langObj = iso639.iso_639_2[lang];
if (langObj.hasOwnProperty('639-1') && langObj['639-1'] === from) {
return langObj['639-2'];
}
}
return _default
}
module.exports = {
buildCommandFFmpeg,
getLanguageCode,
buildCommandMkvMerge
}