Try to improve server watch script
[oweals/peertube.git] / scripts / optimize-old-videos.ts
1 import { registerTSPaths } from '../server/helpers/register-ts-paths'
2 registerTSPaths()
3
4 import { VIDEO_TRANSCODING_FPS } from '../server/initializers/constants'
5 import { getDurationFromVideoFile, getVideoFileBitrate, getVideoFileFPS, getVideoFileResolution } from '../server/helpers/ffmpeg-utils'
6 import { getMaxBitrate } from '../shared/models/videos'
7 import { VideoModel } from '../server/models/video/video'
8 import { optimizeVideofile } from '../server/lib/video-transcoding'
9 import { initDatabaseModels } from '../server/initializers'
10 import { basename, dirname, join } from 'path'
11 import { copy, move, remove } from 'fs-extra'
12 import { CONFIG } from '../server/initializers/config'
13
14 run()
15   .then(() => process.exit(0))
16   .catch(err => {
17     console.error(err)
18     process.exit(-1)
19   })
20
21 let currentVideoId = null
22 let currentFile = null
23
24 process.on('SIGINT', async function () {
25   console.log('Cleaning up temp files')
26   await remove(`${currentFile}_backup`)
27   await remove(`${dirname(currentFile)}/${currentVideoId}-transcoded.mp4`)
28   process.exit(0)
29 })
30
31 async function run () {
32   await initDatabaseModels(true)
33
34   const localVideos = await VideoModel.listLocal()
35
36   for (const video of localVideos) {
37     currentVideoId = video.id
38
39     for (const file of video.VideoFiles) {
40       currentFile = join(CONFIG.STORAGE.VIDEOS_DIR, video.getVideoFilename(file))
41
42       const [ videoBitrate, fps, resolution ] = await Promise.all([
43         getVideoFileBitrate(currentFile),
44         getVideoFileFPS(currentFile),
45         getVideoFileResolution(currentFile)
46       ])
47
48       const maxBitrate = getMaxBitrate(resolution.videoFileResolution, fps, VIDEO_TRANSCODING_FPS)
49       const isMaxBitrateExceeded = videoBitrate > maxBitrate
50       if (isMaxBitrateExceeded) {
51         console.log(
52           'Optimizing video file %s with bitrate %s kbps (max: %s kbps)',
53           basename(currentFile), videoBitrate / 1000, maxBitrate / 1000
54         )
55
56         const backupFile = `${currentFile}_backup`
57         await copy(currentFile, backupFile)
58
59         await optimizeVideofile(video, file)
60
61         const originalDuration = await getDurationFromVideoFile(backupFile)
62         const newDuration = await getDurationFromVideoFile(currentFile)
63
64         if (originalDuration === newDuration) {
65           console.log('Finished optimizing %s', basename(currentFile))
66           await remove(backupFile)
67           continue
68         }
69
70         console.log('Failed to optimize %s, restoring original', basename(currentFile))
71         await move(backupFile, currentFile, { overwrite: true })
72         await video.createTorrentAndSetInfoHash(file)
73         await file.save()
74       }
75     }
76   }
77
78   console.log('Finished optimizing videos')
79 }