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