PeerTube/scripts/optimize-old-videos.ts

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