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 { 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' import { CONFIG } from '../../../initializers/config' 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 } }) if (videoPublished) { Notifier.Instance.notifyOnNewVideo(videoDatabase) Notifier.Instance.notifyOnVideoPublishedAfterTranscoding(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> | Promise>)[] = [] 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 } }) if (payload.isNewVideo) Notifier.Instance.notifyOnNewVideo(videoDatabase) if (videoPublished) Notifier.Instance.notifyOnVideoPublishedAfterTranscoding(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 }) } }