53 lines
1.8 KiB
TypeScript
53 lines
1.8 KiB
TypeScript
import { createReadStream, createWriteStream, move, remove } from 'fs-extra'
|
|
import { join } from 'path'
|
|
import srt2vtt from 'srt-to-vtt'
|
|
import { Transform } from 'stream'
|
|
import { MVideoCaption } from '@server/types/models'
|
|
import { CONFIG } from '../initializers/config'
|
|
import { pipelinePromise } from './core-utils'
|
|
|
|
async function moveAndProcessCaptionFile (physicalFile: { filename: string, path: string }, videoCaption: MVideoCaption) {
|
|
const videoCaptionsDir = CONFIG.STORAGE.CAPTIONS_DIR
|
|
const destination = join(videoCaptionsDir, videoCaption.filename)
|
|
|
|
// Convert this srt file to vtt
|
|
if (physicalFile.path.endsWith('.srt')) {
|
|
await convertSrtToVtt(physicalFile.path, destination)
|
|
await remove(physicalFile.path)
|
|
} else if (physicalFile.path !== destination) { // Just move the vtt file
|
|
await move(physicalFile.path, destination, { overwrite: true })
|
|
}
|
|
|
|
// This is important in case if there is another attempt in the retry process
|
|
physicalFile.filename = videoCaption.filename
|
|
physicalFile.path = destination
|
|
}
|
|
|
|
// ---------------------------------------------------------------------------
|
|
|
|
export {
|
|
moveAndProcessCaptionFile
|
|
}
|
|
|
|
// ---------------------------------------------------------------------------
|
|
|
|
function convertSrtToVtt (source: string, destination: string) {
|
|
const fixVTT = new Transform({
|
|
transform: (chunk, _encoding, cb) => {
|
|
let block: string = chunk.toString()
|
|
|
|
block = block.replace(/(\d\d:\d\d:\d\d)(\s)/g, '$1.000$2')
|
|
.replace(/(\d\d:\d\d:\d\d),(\d)(\s)/g, '$1.00$2$3')
|
|
.replace(/(\d\d:\d\d:\d\d),(\d\d)(\s)/g, '$1.0$2$3')
|
|
|
|
return cb(undefined, block)
|
|
}
|
|
})
|
|
|
|
return pipelinePromise(
|
|
createReadStream(source),
|
|
srt2vtt(),
|
|
fixVTT,
|
|
createWriteStream(destination)
|
|
)
|
|
}
|