aboutsummaryrefslogtreecommitdiffhomepage
path: root/server/lib/job-queue/handlers/video-transcoding.ts
blob: e248b645e4f736bcd6bc954d19faed4d209352da (plain) (blame)
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
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
import * as Bull from 'bull'
import { TranscodeOptionsType } from '@server/helpers/ffmpeg-utils'
import { JOB_PRIORITY } from '@server/initializers/constants'
import { getJobTranscodingPriorityMalus, publishAndFederateIfNeeded } from '@server/lib/video'
import { getVideoFilePath } from '@server/lib/video-paths'
import { MUser, MUserId, MVideoFullLight, MVideoUUID, MVideoWithFile } from '@server/types/models'
import {
  HLSTranscodingPayload,
  MergeAudioTranscodingPayload,
  NewResolutionTranscodingPayload,
  OptimizeTranscodingPayload,
  VideoTranscodingPayload
} from '../../../../shared'
import { retryTransactionWrapper } from '../../../helpers/database-utils'
import { computeResolutionsToTranscode } from '../../../helpers/ffprobe-utils'
import { logger } from '../../../helpers/logger'
import { CONFIG } from '../../../initializers/config'
import { sequelizeTypescript } from '../../../initializers/database'
import { VideoModel } from '../../../models/video/video'
import { federateVideoIfNeeded } from '../../activitypub/videos'
import { Notifier } from '../../notifier'
import {
  generateHlsPlaylistResolution,
  mergeAudioVideofile,
  optimizeOriginalVideofile,
  transcodeNewWebTorrentResolution
} from '../../video-transcoding'
import { JobQueue } from '../job-queue'
import { UserModel } from '@server/models/account/user'

type HandlerFunction = (job: Bull.Job, payload: VideoTranscodingPayload, video: MVideoFullLight, user: MUser) => Promise<any>

const handlers: { [ id: string ]: HandlerFunction } = {
  // Deprecated, introduced in 3.1
  'hls': handleHLSJob,
  'new-resolution-to-hls': handleHLSJob,

  // Deprecated, introduced in 3.1
  'new-resolution': handleNewWebTorrentResolutionJob,
  'new-resolution-to-webtorrent': handleNewWebTorrentResolutionJob,

  // Deprecated, introduced in 3.1
  'merge-audio': handleWebTorrentMergeAudioJob,
  'merge-audio-to-webtorrent': handleWebTorrentMergeAudioJob,

  // Deprecated, introduced in 3.1
  'optimize': handleWebTorrentOptimizeJob,
  'optimize-to-webtorrent': handleWebTorrentOptimizeJob
}

async function processVideoTranscoding (job: Bull.Job) {
  const payload = job.data as VideoTranscodingPayload
  logger.info('Processing video file in job %d.', job.id)

  const video = await VideoModel.loadAndPopulateAccountAndServerAndTags(payload.videoUUID)
  // No video, maybe deleted?
  if (!video) {
    logger.info('Do not process job %d, video does not exist.', job.id)
    return undefined
  }

  const user = await UserModel.loadByChannelActorId(video.VideoChannel.actorId)

  const handler = handlers[payload.type]

  if (!handler) {
    throw new Error('Cannot find transcoding handler for ' + payload.type)
  }

  await handler(job, payload, video, user)

  return video
}

// ---------------------------------------------------------------------------
// Job handlers
// ---------------------------------------------------------------------------

async function handleHLSJob (job: Bull.Job, payload: HLSTranscodingPayload, video: MVideoFullLight, user: MUser) {
  const videoFileInput = payload.copyCodecs
    ? video.getWebTorrentFile(payload.resolution)
    : video.getMaxQualityFile()

  const videoOrStreamingPlaylist = videoFileInput.getVideoOrStreamingPlaylist()
  const videoInputPath = getVideoFilePath(videoOrStreamingPlaylist, videoFileInput)

  await generateHlsPlaylistResolution({
    video,
    videoInputPath,
    resolution: payload.resolution,
    copyCodecs: payload.copyCodecs,
    isPortraitMode: payload.isPortraitMode || false,
    job
  })

  await retryTransactionWrapper(onHlsPlaylistGeneration, video, user, payload)
}

async function handleNewWebTorrentResolutionJob (
  job: Bull.Job,
  payload: NewResolutionTranscodingPayload,
  video: MVideoFullLight,
  user: MUserId
) {
  await transcodeNewWebTorrentResolution(video, payload.resolution, payload.isPortraitMode || false, job)

  await retryTransactionWrapper(onNewWebTorrentFileResolution, video, user, payload)
}

async function handleWebTorrentMergeAudioJob (job: Bull.Job, payload: MergeAudioTranscodingPayload, video: MVideoFullLight, user: MUserId) {
  await mergeAudioVideofile(video, payload.resolution, job)

  await retryTransactionWrapper(onVideoFileOptimizer, video, payload, 'video', user)
}

async function handleWebTorrentOptimizeJob (job: Bull.Job, payload: OptimizeTranscodingPayload, video: MVideoFullLight, user: MUserId) {
  const transcodeType = await optimizeOriginalVideofile(video, video.getMaxQualityFile(), job)

  await retryTransactionWrapper(onVideoFileOptimizer, video, payload, transcodeType, user)
}

// ---------------------------------------------------------------------------

async function onHlsPlaylistGeneration (video: MVideoFullLight, user: MUser, payload: HLSTranscodingPayload) {
  if (video === undefined) return undefined

  if (payload.isMaxQuality && CONFIG.TRANSCODING.WEBTORRENT.ENABLED === false) {
    // Remove webtorrent files if not enabled
    for (const file of video.VideoFiles) {
      await video.removeFile(file)
      await video.removeTorrent(file)
      await file.destroy()
    }

    video.VideoFiles = []

    // Create HLS new resolution jobs
    await createLowerResolutionsJobs(video, user, payload.resolution, payload.isPortraitMode, 'hls')
  }

  return publishAndFederateIfNeeded(video)
}

async function onVideoFileOptimizer (
  videoArg: MVideoWithFile,
  payload: OptimizeTranscodingPayload | MergeAudioTranscodingPayload,
  transcodeType: TranscodeOptionsType,
  user: MUserId
) {
  if (videoArg === undefined) return undefined

  // Outside the transaction (IO on disk)
  const { videoFileResolution, isPortraitMode } = await videoArg.getMaxQualityResolution()

  const { videoDatabase, videoPublished } = await sequelizeTypescript.transaction(async t => {
    // Maybe the video changed in database, refresh it
    const videoDatabase = await VideoModel.loadAndPopulateAccountAndServerAndTags(videoArg.uuid, t)
    // Video does not exist anymore
    if (!videoDatabase) return undefined

    let videoPublished = false

    // Generate HLS version of the original file
    const originalFileHLSPayload = Object.assign({}, payload, {
      isPortraitMode,
      resolution: videoDatabase.getMaxQualityFile().resolution,
      // If we quick transcoded original file, force transcoding for HLS to avoid some weird playback issues
      copyCodecs: transcodeType !== 'quick-transcode',
      isMaxQuality: true
    })
    await createHlsJobIfEnabled(user, originalFileHLSPayload)

    const hasNewResolutions = await createLowerResolutionsJobs(videoDatabase, user, videoFileResolution, isPortraitMode, 'webtorrent')

    if (!hasNewResolutions) {
      // No transcoding to do, it's now published
      videoPublished = await videoDatabase.publishIfNeededAndSave(t)
    }

    await federateVideoIfNeeded(videoDatabase, payload.isNewVideo, t)

    return { videoDatabase, videoPublished }
  })

  if (payload.isNewVideo) Notifier.Instance.notifyOnNewVideoIfNeeded(videoDatabase)
  if (videoPublished) Notifier.Instance.notifyOnVideoPublishedAfterTranscoding(videoDatabase)
}

async function onNewWebTorrentFileResolution (
  video: MVideoUUID,
  user: MUserId,
  payload: NewResolutionTranscodingPayload | MergeAudioTranscodingPayload
) {
  await publishAndFederateIfNeeded(video)

  await createHlsJobIfEnabled(user, Object.assign({}, payload, { copyCodecs: true, isMaxQuality: false }))
}

// ---------------------------------------------------------------------------

export {
  processVideoTranscoding,
  onNewWebTorrentFileResolution
}

// ---------------------------------------------------------------------------

async function createHlsJobIfEnabled (user: MUserId, payload: {
  videoUUID: string
  resolution: number
  isPortraitMode?: boolean
  copyCodecs: boolean
  isMaxQuality: boolean
}) {
  if (!payload || CONFIG.TRANSCODING.HLS.ENABLED !== true) return

  const jobOptions = {
    priority: JOB_PRIORITY.TRANSCODING.NEW_RESOLUTION + await getJobTranscodingPriorityMalus(user)
  }

  const hlsTranscodingPayload: HLSTranscodingPayload = {
    type: 'new-resolution-to-hls',
    videoUUID: payload.videoUUID,
    resolution: payload.resolution,
    isPortraitMode: payload.isPortraitMode,
    copyCodecs: payload.copyCodecs,
    isMaxQuality: payload.isMaxQuality
  }

  return JobQueue.Instance.createJobWithPromise({ type: 'video-transcoding', payload: hlsTranscodingPayload }, jobOptions)
}

async function createLowerResolutionsJobs (
  video: MVideoFullLight,
  user: MUserId,
  videoFileResolution: number,
  isPortraitMode: boolean,
  type: 'hls' | 'webtorrent'
) {
  // Create transcoding jobs if there are enabled resolutions
  const resolutionsEnabled = computeResolutionsToTranscode(videoFileResolution, 'vod')
  logger.info(
    'Resolutions computed for video %s and origin file resolution of %d.', video.uuid, videoFileResolution,
    { resolutions: resolutionsEnabled }
  )

  if (resolutionsEnabled.length === 0) {
    logger.info('No transcoding jobs created for video %s (no resolutions).', video.uuid)

    return false
  }

  for (const resolution of resolutionsEnabled) {
    let dataInput: VideoTranscodingPayload

    if (CONFIG.TRANSCODING.WEBTORRENT.ENABLED && type === 'webtorrent') {
      // WebTorrent will create subsequent HLS job
      dataInput = {
        type: 'new-resolution-to-webtorrent',
        videoUUID: video.uuid,
        resolution,
        isPortraitMode
      }
    }

    if (CONFIG.TRANSCODING.HLS.ENABLED && type === 'hls') {
      dataInput = {
        type: 'new-resolution-to-hls',
        videoUUID: video.uuid,
        resolution,
        isPortraitMode,
        copyCodecs: false,
        isMaxQuality: false
      }
    }

    const jobOptions = {
      priority: JOB_PRIORITY.TRANSCODING.NEW_RESOLUTION + await getJobTranscodingPriorityMalus(user)
    }

    JobQueue.Instance.createJob({ type: 'video-transcoding', payload: dataInput }, jobOptions)
  }

  logger.info('Transcoding jobs created for uuid %s.', video.uuid, { resolutionsEnabled })

  return true
}