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Commit | Line | Data |
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14d3270f | 1 | import * as ffmpeg from 'fluent-ffmpeg' |
3fd3ab2d | 2 | import { VideoResolution } from '../../shared/models/videos' |
8d468a16 | 3 | import { CONFIG } from '../initializers' |
14d3270f C |
4 | |
5 | function getVideoFileHeight (path: string) { | |
6 | return new Promise<number>((res, rej) => { | |
7 | ffmpeg.ffprobe(path, (err, metadata) => { | |
8 | if (err) return rej(err) | |
9 | ||
10 | const videoStream = metadata.streams.find(s => s.codec_type === 'video') | |
11 | return res(videoStream.height) | |
12 | }) | |
13 | }) | |
14 | } | |
15 | ||
16 | function getDurationFromVideoFile (path: string) { | |
17 | return new Promise<number>((res, rej) => { | |
18 | ffmpeg.ffprobe(path, (err, metadata) => { | |
19 | if (err) return rej(err) | |
20 | ||
21 | return res(Math.floor(metadata.format.duration)) | |
22 | }) | |
23 | }) | |
24 | } | |
25 | ||
164174a6 | 26 | function generateImageFromVideoFile (fromPath: string, folder: string, imageName: string, size: string) { |
14d3270f C |
27 | const options = { |
28 | filename: imageName, | |
29 | count: 1, | |
30 | folder | |
31 | } | |
32 | ||
33 | if (size !== undefined) { | |
34 | options['size'] = size | |
35 | } | |
36 | ||
37 | return new Promise<string>((res, rej) => { | |
38 | ffmpeg(fromPath) | |
39 | .on('error', rej) | |
40 | .on('end', () => res(imageName)) | |
41 | .thumbnail(options) | |
42 | }) | |
43 | } | |
44 | ||
45 | type TranscodeOptions = { | |
46 | inputPath: string | |
47 | outputPath: string | |
48 | resolution?: VideoResolution | |
49 | } | |
50 | ||
51 | function transcode (options: TranscodeOptions) { | |
52 | return new Promise<void>((res, rej) => { | |
53 | let command = ffmpeg(options.inputPath) | |
54 | .output(options.outputPath) | |
55 | .videoCodec('libx264') | |
56 | .outputOption('-threads ' + CONFIG.TRANSCODING.THREADS) | |
57 | .outputOption('-movflags faststart') | |
a6218a0b | 58 | // .outputOption('-crf 18') |
14d3270f C |
59 | |
60 | if (options.resolution !== undefined) { | |
a6218a0b | 61 | const size = `?x${options.resolution}` // '?x720' for example |
14d3270f C |
62 | command = command.size(size) |
63 | } | |
64 | ||
65 | command.on('error', rej) | |
66 | .on('end', res) | |
67 | .run() | |
68 | }) | |
69 | } | |
70 | ||
71 | // --------------------------------------------------------------------------- | |
72 | ||
73 | export { | |
74 | getVideoFileHeight, | |
75 | getDurationFromVideoFile, | |
76 | generateImageFromVideoFile, | |
77 | transcode | |
78 | } |