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Code Issues Releases Wiki Activity

Make backups of files in optimize-old-videos.ts (#1304)

pull/1343/head
Felix Ableitner 2018-10-23 02:25:09 -05:00 committed by Rigel Kent
parent eff7cdd7b7
commit 5e10e8d73a
1 changed files with 35 additions and 7 deletions
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42
scripts/optimize-old-videos.ts
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@ -1,10 +1,11 @@
import { CONFIG, VIDEO_TRANSCODING_FPS } from '../server/initializers/constants' import { CONFIG, VIDEO_TRANSCODING_FPS } from '../server/initializers/constants'
import { getVideoFileBitrate, getVideoFileFPS, getVideoFileResolution } from '../server/helpers/ffmpeg-utils' import { getVideoFileBitrate, getVideoFileFPS, getVideoFileResolution, getDurationFromVideoFile } from '../server/helpers/ffmpeg-utils'
import { getMaxBitrate } from '../shared/models/videos' import { getMaxBitrate } from '../shared/models/videos'
import { VideoModel } from '../server/models/video/video' import { VideoModel } from '../server/models/video/video'
import { optimizeVideofile } from '../server/lib/video-transcoding' import { optimizeVideofile } from '../server/lib/video-transcoding'
import { initDatabaseModels } from '../server/initializers' import { initDatabaseModels } from '../server/initializers'
import { join } from 'path' import { join, basename, dirname } from 'path'
import { copy, remove, move } from 'fs-extra'
run() run()
.then(() => process.exit(0)) .then(() => process.exit(0))
@ -13,24 +14,51 @@ run()
process.exit(-1) 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)}/${currentVideoId}-transcoded.mp4`)
process.exit(0)
})
async function run () { async function run () {
await initDatabaseModels(true) await initDatabaseModels(true)
const localVideos = await VideoModel.listLocal() const localVideos = await VideoModel.listLocal()
for (const video of localVideos) { for (const video of localVideos) {
currentVideoId = video.id
for (const file of video.VideoFiles) { for (const file of video.VideoFiles) {
const inputPath = join(CONFIG.STORAGE.VIDEOS_DIR, video.getVideoFilename(file)) currentFile = join(CONFIG.STORAGE.VIDEOS_DIR, video.getVideoFilename(file))
const [ videoBitrate, fps, resolution ] = await Promise.all([ const [ videoBitrate, fps, resolution ] = await Promise.all([
getVideoFileBitrate(inputPath), getVideoFileBitrate(currentFile),
getVideoFileFPS(inputPath), getVideoFileFPS(currentFile),
getVideoFileResolution(inputPath) getVideoFileResolution(currentFile)
]) ])
const isMaxBitrateExceeded = videoBitrate > getMaxBitrate(resolution.videoFileResolution, fps, VIDEO_TRANSCODING_FPS) const maxBitrate = getMaxBitrate(resolution.videoFileResolution, fps, VIDEO_TRANSCODING_FPS)
const isMaxBitrateExceeded = videoBitrate > maxBitrate
if (isMaxBitrateExceeded) { if (isMaxBitrateExceeded) {
console.log('Optimizing video file %s with bitrate %s kbps (max: %s kbps)',
basename(currentFile), videoBitrate / 1000, maxBitrate / 1000)
const backupFile = `${currentFile}_backup`
await copy(currentFile, backupFile)
await optimizeVideofile(video, file) 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)
} else {
console.log('Failed to optimize %s, restoring original', basename(currentFile))
move(backupFile, currentFile, { overwrite: true })
await video.createTorrentAndSetInfoHash(file)
await file.save()
}
} }
} }
} }