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import * as Bull from 'bull'
import { VideoResolution, VideoState } from '../../../../shared'
import { logger } from '../../../helpers/logger'
import { VideoModel } from '../../../models/video/video'
import { JobQueue } from '../job-queue'
import { federateVideoIfNeeded } from '../../activitypub'
import { retryTransactionWrapper } from '../../../helpers/database-utils'
import { CONFIG, sequelizeTypescript } from '../../../initializers'
import * as Bluebird from 'bluebird'
import { computeResolutionsToTranscode } from '../../../helpers/ffmpeg-utils'
import { generateHlsPlaylist, optimizeVideofile, transcodeOriginalVideofile } from '../../video-transcoding'
import { Notifier } from '../../notifier'
export type VideoTranscodingPayload = {
videoUUID: string
resolution?: VideoResolution
isNewVideo?: boolean
isPortraitMode?: boolean
generateHlsPlaylist?: boolean
}
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
}
if (payload.generateHlsPlaylist) {
await generateHlsPlaylist(video, payload.resolution, payload.isPortraitMode || false)
await retryTransactionWrapper(onHlsPlaylistGenerationSuccess, video)
} else if (payload.resolution) { // Transcoding in other resolution
await transcodeOriginalVideofile(video, payload.resolution, payload.isPortraitMode || false)
await retryTransactionWrapper(publishVideoIfNeeded, video, payload)
} else {
await optimizeVideofile(video)
await retryTransactionWrapper(onVideoFileOptimizerSuccess, video, payload)
}
return video
}
async function onHlsPlaylistGenerationSuccess (video: VideoModel) {
if (video === undefined) return undefined
await sequelizeTypescript.transaction(async t => {
// Maybe the video changed in database, refresh it
let videoDatabase = await VideoModel.loadAndPopulateAccountAndServerAndTags(video.uuid, t)
// Video does not exist anymore
if (!videoDatabase) return undefined
// If the video was not published, we consider it is a new one for other instances
await federateVideoIfNeeded(videoDatabase, false, t)
})
}
async function publishVideoIfNeeded (video: VideoModel, payload?: VideoTranscodingPayload) {
const { videoDatabase, videoPublished } = await sequelizeTypescript.transaction(async t => {
// Maybe the video changed in database, refresh it
let videoDatabase = await VideoModel.loadAndPopulateAccountAndServerAndTags(video.uuid, t)
// Video does not exist anymore
if (!videoDatabase) return undefined
let videoPublished = false
// We transcoded the video file in another format, now we can publish it
if (videoDatabase.state !== VideoState.PUBLISHED) {
videoPublished = true
videoDatabase.state = VideoState.PUBLISHED
videoDatabase.publishedAt = new Date()
videoDatabase = await videoDatabase.save({ transaction: t })
}
// If the video was not published, we consider it is a new one for other instances
await federateVideoIfNeeded(videoDatabase, videoPublished, t)
return { videoDatabase, videoPublished }
})
// don't notify prior to scheduled video update
if (videoPublished && !videoDatabase.ScheduleVideoUpdate) {
Notifier.Instance.notifyOnNewVideo(videoDatabase)
Notifier.Instance.notifyOnPendingVideoPublished(videoDatabase)
}
await createHlsJobIfEnabled(payload)
}
async function onVideoFileOptimizerSuccess (videoArg: VideoModel, payload: VideoTranscodingPayload) {
if (videoArg === undefined) return undefined
// Outside the transaction (IO on disk)
const { videoFileResolution } = await videoArg.getOriginalFileResolution()
const { videoDatabase, videoPublished } = await sequelizeTypescript.transaction(async t => {
// Maybe the video changed in database, refresh it
let videoDatabase = await VideoModel.loadAndPopulateAccountAndServerAndTags(videoArg.uuid, t)
// Video does not exist anymore
if (!videoDatabase) return undefined
// Create transcoding jobs if there are enabled resolutions
const resolutionsEnabled = computeResolutionsToTranscode(videoFileResolution)
logger.info(
'Resolutions computed for video %s and origin file height of %d.', videoDatabase.uuid, videoFileResolution,
{ resolutions: resolutionsEnabled }
)
let videoPublished = false
if (resolutionsEnabled.length !== 0) {
const tasks: (Bluebird<Bull.Job<any>> | Promise<Bull.Job<any>>)[] = []
for (const resolution of resolutionsEnabled) {
const dataInput = {
videoUUID: videoDatabase.uuid,
resolution
}
const p = JobQueue.Instance.createJob({ type: 'video-transcoding', payload: dataInput })
tasks.push(p)
}
await Promise.all(tasks)
logger.info('Transcoding jobs created for uuid %s.', videoDatabase.uuid, { resolutionsEnabled })
} else {
videoPublished = true
// No transcoding to do, it's now published
videoDatabase.state = VideoState.PUBLISHED
videoDatabase = await videoDatabase.save({ transaction: t })
logger.info('No transcoding jobs created for video %s (no resolutions).', videoDatabase.uuid, { privacy: videoDatabase.privacy })
}
await federateVideoIfNeeded(videoDatabase, payload.isNewVideo, t)
return { videoDatabase, videoPublished }
})
// don't notify prior to scheduled video update
if (!videoDatabase.ScheduleVideoUpdate) {
if (payload.isNewVideo) Notifier.Instance.notifyOnNewVideo(videoDatabase)
if (videoPublished) Notifier.Instance.notifyOnPendingVideoPublished(videoDatabase)
}
await createHlsJobIfEnabled(Object.assign({}, payload, { resolution: videoDatabase.getOriginalFile().resolution }))
}
// ---------------------------------------------------------------------------
export {
processVideoTranscoding,
publishVideoIfNeeded
}
// ---------------------------------------------------------------------------
function createHlsJobIfEnabled (payload?: VideoTranscodingPayload) {
// Generate HLS playlist?
if (payload && CONFIG.TRANSCODING.HLS.ENABLED) {
const hlsTranscodingPayload = {
videoUUID: payload.videoUUID,
resolution: payload.resolution,
isPortraitMode: payload.isPortraitMode,
generateHlsPlaylist: true
}
return JobQueue.Instance.createJob({ type: 'video-transcoding', payload: hlsTranscodingPayload })
}
}
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