PeerTube/scripts/optimize-old-videos.ts

85 lines
3.0 KiB
TypeScript

import { registerTSPaths } from '../server/helpers/register-ts-paths'
registerTSPaths()
import { VIDEO_TRANSCODING_FPS } from '../server/initializers/constants'
import { getDurationFromVideoFile, getVideoFileBitrate, getVideoFileFPS, getVideoFileResolution } from '../server/helpers/ffprobe-utils'
import { getMaxBitrate } from '../shared/models/videos'
import { VideoModel } from '../server/models/video/video'
import { optimizeOriginalVideofile } from '../server/lib/transcoding/video-transcoding'
import { initDatabaseModels } from '../server/initializers/database'
import { basename, dirname } from 'path'
import { copy, move, remove } from 'fs-extra'
import { createTorrentAndSetInfoHash } from '@server/helpers/webtorrent'
import { getVideoFilePath } from '@server/lib/video-paths'
run()
.then(() => process.exit(0))
.catch(err => {
console.error(err)
process.exit(-1)
})
let currentVideoId: string
let currentFilePath: string
process.on('SIGINT', async function () {
console.log('Cleaning up temp files')
await remove(`${currentFilePath}_backup`)
await remove(`${dirname(currentFilePath)}/${currentVideoId}-transcoded.mp4`)
process.exit(0)
})
async function run () {
await initDatabaseModels(true)
const localVideos = await VideoModel.listLocal()
for (const localVideo of localVideos) {
const video = await VideoModel.loadAndPopulateAccountAndServerAndTags(localVideo.id)
currentVideoId = video.id
for (const file of video.VideoFiles) {
currentFilePath = getVideoFilePath(video, file)
const [ videoBitrate, fps, resolution ] = await Promise.all([
getVideoFileBitrate(currentFilePath),
getVideoFileFPS(currentFilePath),
getVideoFileResolution(currentFilePath)
])
const maxBitrate = getMaxBitrate(resolution.videoFileResolution, fps, VIDEO_TRANSCODING_FPS)
const isMaxBitrateExceeded = videoBitrate > maxBitrate
if (isMaxBitrateExceeded) {
console.log(
'Optimizing video file %s with bitrate %s kbps (max: %s kbps)',
basename(currentFilePath), videoBitrate / 1000, maxBitrate / 1000
)
const backupFile = `${currentFilePath}_backup`
await copy(currentFilePath, backupFile)
await optimizeOriginalVideofile(video, file)
// Update file path, the video filename changed
currentFilePath = getVideoFilePath(video, file)
const originalDuration = await getDurationFromVideoFile(backupFile)
const newDuration = await getDurationFromVideoFile(currentFilePath)
if (originalDuration === newDuration) {
console.log('Finished optimizing %s', basename(currentFilePath))
await remove(backupFile)
continue
}
console.log('Failed to optimize %s, restoring original', basename(currentFilePath))
await move(backupFile, currentFilePath, { overwrite: true })
await createTorrentAndSetInfoHash(video, file)
await file.save()
}
}
}
console.log('Finished optimizing videos')
}