1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
|
import execa from 'execa'
import { pathExists, writeFile } from 'fs-extra'
import { join } from 'path'
import { CONFIG } from '@server/initializers/config'
import { VideoResolution } from '@shared/models'
import { logger, loggerTagsFactory } from '../logger'
import { getProxy, isProxyEnabled } from '../proxy'
import { isBinaryResponse, peertubeGot } from '../requests'
const lTags = loggerTagsFactory('youtube-dl')
const youtubeDLBinaryPath = join(CONFIG.STORAGE.BIN_DIR, CONFIG.IMPORT.VIDEOS.HTTP.YOUTUBE_DL_RELEASE.NAME)
export class YoutubeDLCLI {
static async safeGet () {
if (!await pathExists(youtubeDLBinaryPath)) {
await this.updateYoutubeDLBinary()
}
return new YoutubeDLCLI()
}
static async updateYoutubeDLBinary () {
const url = CONFIG.IMPORT.VIDEOS.HTTP.YOUTUBE_DL_RELEASE.URL
logger.info('Updating youtubeDL binary from %s.', url, lTags())
const gotOptions = { context: { bodyKBLimit: 20_000 }, responseType: 'buffer' as 'buffer' }
try {
let gotResult = await peertubeGot(url, gotOptions)
if (!isBinaryResponse(gotResult)) {
const json = JSON.parse(gotResult.body.toString())
const latest = json.filter(release => release.prerelease === false)[0]
if (!latest) throw new Error('Cannot find latest release')
const releaseName = CONFIG.IMPORT.VIDEOS.HTTP.YOUTUBE_DL_RELEASE.NAME
const releaseAsset = latest.assets.find(a => a.name === releaseName)
if (!releaseAsset) throw new Error(`Cannot find appropriate release with name ${releaseName} in release assets`)
gotResult = await peertubeGot(releaseAsset.browser_download_url, gotOptions)
}
if (!isBinaryResponse(gotResult)) {
throw new Error('Not a binary response')
}
await writeFile(youtubeDLBinaryPath, gotResult.body)
logger.info('youtube-dl updated %s.', youtubeDLBinaryPath, lTags())
} catch (err) {
logger.error('Cannot update youtube-dl from %s.', url, { err, ...lTags() })
}
}
static getYoutubeDLVideoFormat (enabledResolutions: VideoResolution[]) {
/**
* list of format selectors in order or preference
* see https://github.com/ytdl-org/youtube-dl#format-selection
*
* case #1 asks for a mp4 using h264 (avc1) and the exact resolution in the hope
* of being able to do a "quick-transcode"
* case #2 is the first fallback. No "quick-transcode" means we can get anything else (like vp9)
* case #3 is the resolution-degraded equivalent of #1, and already a pretty safe fallback
*
* in any case we avoid AV1, see https://github.com/Chocobozzz/PeerTube/issues/3499
**/
const resolution = enabledResolutions.length === 0
? VideoResolution.H_720P
: Math.max(...enabledResolutions)
return [
`bestvideo[vcodec^=avc1][height=${resolution}]+bestaudio[ext=m4a]`, // case #1
`bestvideo[vcodec!*=av01][vcodec!*=vp9.2][height=${resolution}]+bestaudio`, // case #2
`bestvideo[vcodec^=avc1][height<=${resolution}]+bestaudio[ext=m4a]`, // case #3
`bestvideo[vcodec!*=av01][vcodec!*=vp9.2]+bestaudio`,
'best[vcodec!*=av01][vcodec!*=vp9.2]', // case fallback for known formats
'best' // Ultimate fallback
].join('/')
}
private constructor () {
}
download (options: {
url: string
format: string
output: string
processOptions: execa.NodeOptions
additionalYoutubeDLArgs?: string[]
}) {
return this.run({
url: options.url,
processOptions: options.processOptions,
args: (options.additionalYoutubeDLArgs || []).concat([ '-f', options.format, '-o', options.output ])
})
}
async getInfo (options: {
url: string
format: string
processOptions: execa.NodeOptions
additionalYoutubeDLArgs?: string[]
}) {
const { url, format, additionalYoutubeDLArgs = [], processOptions } = options
const completeArgs = additionalYoutubeDLArgs.concat([ '--dump-json', '-f', format ])
const data = await this.run({ url, args: completeArgs, processOptions })
const info = data.map(this.parseInfo)
return info.length === 1
? info[0]
: info
}
async getSubs (options: {
url: string
format: 'vtt'
processOptions: execa.NodeOptions
}) {
const { url, format, processOptions } = options
const args = [ '--skip-download', '--all-subs', `--sub-format=${format}` ]
const data = await this.run({ url, args, processOptions })
const files: string[] = []
const skipString = '[info] Writing video subtitles to: '
for (let i = 0, len = data.length; i < len; i++) {
const line = data[i]
if (line.indexOf(skipString) === 0) {
files.push(line.slice(skipString.length))
}
}
return files
}
private async run (options: {
url: string
args: string[]
processOptions: execa.NodeOptions
}) {
const { url, args, processOptions } = options
let completeArgs = this.wrapWithProxyOptions(args)
completeArgs = this.wrapWithIPOptions(completeArgs)
completeArgs = this.wrapWithFFmpegOptions(completeArgs)
const { PYTHON_PATH } = CONFIG.IMPORT.VIDEOS.HTTP.YOUTUBE_DL_RELEASE
const output = await execa(PYTHON_PATH, [ youtubeDLBinaryPath, ...completeArgs, url ], processOptions)
logger.debug('Runned youtube-dl command.', { command: output.command, ...lTags() })
return output.stdout
? output.stdout.trim().split(/\r?\n/)
: undefined
}
private wrapWithProxyOptions (args: string[]) {
if (isProxyEnabled()) {
logger.debug('Using proxy %s for YoutubeDL', getProxy(), lTags())
return [ '--proxy', getProxy() ].concat(args)
}
return args
}
private wrapWithIPOptions (args: string[]) {
if (CONFIG.IMPORT.VIDEOS.HTTP.FORCE_IPV4) {
logger.debug('Force ipv4 for YoutubeDL')
return [ '--force-ipv4' ].concat(args)
}
return args
}
private wrapWithFFmpegOptions (args: string[]) {
if (process.env.FFMPEG_PATH) {
logger.debug('Using ffmpeg location %s for YoutubeDL', process.env.FFMPEG_PATH, lTags())
return [ '--ffmpeg-location', process.env.FFMPEG_PATH ].concat(args)
}
return args
}
private parseInfo (data: string) {
return JSON.parse(data)
}
}
|
