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import { VIDEO_TRANSCODING_FPS } from '../server/initializers/constants'
import { getDurationFromVideoFile, getVideoFileBitrate, getVideoFileFPS, getVideoFileResolution } from '../server/helpers/ffmpeg-utils'
import { getMaxBitrate } from '../shared/models/videos'
import { VideoModel } from '../server/models/video/video'
import { optimizeVideofile } from '../server/lib/video-transcoding'
import { initDatabaseModels } from '../server/initializers'
import { basename, dirname, join } from 'path'
import { copy, move, remove } from 'fs-extra'
import { CONFIG } from '../server/initializers/config'
run()
.then(() => process.exit(0))
.catch(err => {
console.error(err)
process.exit(-1)
})
let currentVideoId = null
let currentFile = null
process.on('SIGINT', async function () {
console.log('Cleaning up temp files')
await remove(`${currentFile}_backup`)
await remove(`${dirname(currentFile)}/${currentVideoId}-transcoded.mp4`)
process.exit(0)
})
async function run () {
await initDatabaseModels(true)
const localVideos = await VideoModel.listLocal()
for (const video of localVideos) {
currentVideoId = video.id
for (const file of video.VideoFiles) {
currentFile = join(CONFIG.STORAGE.VIDEOS_DIR, video.getVideoFilename(file))
const [ videoBitrate, fps, resolution ] = await Promise.all([
getVideoFileBitrate(currentFile),
getVideoFileFPS(currentFile),
getVideoFileResolution(currentFile)
])
const maxBitrate = getMaxBitrate(resolution.videoFileResolution, fps, VIDEO_TRANSCODING_FPS)
const isMaxBitrateExceeded = videoBitrate > maxBitrate
if (isMaxBitrateExceeded) {
console.log(
'Optimizing video file %s with bitrate %s kbps (max: %s kbps)',
basename(currentFile), videoBitrate / 1000, maxBitrate / 1000
)
const backupFile = `${currentFile}_backup`
await copy(currentFile, backupFile)
await optimizeVideofile(video, file)
const originalDuration = await getDurationFromVideoFile(backupFile)
const newDuration = await getDurationFromVideoFile(currentFile)
if (originalDuration === newDuration) {
console.log('Finished optimizing %s', basename(currentFile))
await remove(backupFile)
return
}
console.log('Failed to optimize %s, restoring original', basename(currentFile))
await move(backupFile, currentFile, { overwrite: true })
await video.createTorrentAndSetInfoHash(file)
await file.save()
}
}
}
console.log('Finished optimizing videos')
}
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