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 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) { 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, payload.resolution) } 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(onNewWebTorrentFileResolution, video, user, payload) } 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, resolution: number) { if (video === undefined) return undefined const maxQualityFile = video.getMaxQualityFile() // We generated the max quality HLS playlist, we don't need the webtorrent files anymore if the admin disabled it if (CONFIG.TRANSCODING.WEBTORRENT.ENABLED === false && video.hasWebTorrentFiles() && maxQualityFile.resolution === resolution) { for (const file of video.VideoFiles) { await video.removeFile(file) await file.destroy() } video.VideoFiles = [] } return publishAndFederateIfNeeded(video) } async function onVideoFileOptimizer ( videoArg: MVideoWithFile, payload: OptimizeTranscodingPayload, 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' }) await createHlsJobIfEnabled(user, originalFileHLSPayload) const hasNewResolutions = createLowerResolutionsJobs(videoDatabase, user, videoFileResolution, isPortraitMode) 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 })) } // --------------------------------------------------------------------------- export { processVideoTranscoding, onNewWebTorrentFileResolution } // --------------------------------------------------------------------------- async function createHlsJobIfEnabled (user: MUserId, payload: { videoUUID: string resolution: number isPortraitMode?: boolean copyCodecs: 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 } return JobQueue.Instance.createJobWithPromise({ type: 'video-transcoding', payload: hlsTranscodingPayload }, jobOptions) } async function createLowerResolutionsJobs ( video: MVideoFullLight, user: MUserId, videoFileResolution: number, isPortraitMode: boolean ) { // 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) { // WebTorrent will create subsequent HLS job dataInput = { type: 'new-resolution-to-webtorrent', videoUUID: video.uuid, resolution, isPortraitMode } } else if (CONFIG.TRANSCODING.HLS.ENABLED) { dataInput = { type: 'new-resolution-to-hls', videoUUID: video.uuid, resolution, isPortraitMode, copyCodecs: 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 }