331 lines
11 KiB
TypeScript
331 lines
11 KiB
TypeScript
import { Job } from 'bull'
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import { TranscodeVODOptionsType } from '@server/helpers/ffmpeg'
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import { Hooks } from '@server/lib/plugins/hooks'
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import { addTranscodingJob, getTranscodingJobPriority } from '@server/lib/video'
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import { VideoPathManager } from '@server/lib/video-path-manager'
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import { moveToFailedTranscodingState, moveToNextState } from '@server/lib/video-state'
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import { UserModel } from '@server/models/user/user'
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import { VideoJobInfoModel } from '@server/models/video/video-job-info'
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import { MUser, MUserId, MVideo, MVideoFullLight, MVideoWithFile } from '@server/types/models'
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import { pick } from '@shared/core-utils'
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import {
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HLSTranscodingPayload,
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MergeAudioTranscodingPayload,
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NewWebTorrentResolutionTranscodingPayload,
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OptimizeTranscodingPayload,
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VideoResolution,
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VideoTranscodingPayload
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} from '@shared/models'
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import { retryTransactionWrapper } from '../../../helpers/database-utils'
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import { computeResolutionsToTranscode } from '../../../helpers/ffmpeg'
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import { logger, loggerTagsFactory } from '../../../helpers/logger'
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import { CONFIG } from '../../../initializers/config'
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import { VideoModel } from '../../../models/video/video'
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import {
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generateHlsPlaylistResolution,
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mergeAudioVideofile,
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optimizeOriginalVideofile,
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transcodeNewWebTorrentResolution
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} from '../../transcoding/transcoding'
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type HandlerFunction = (job: Job, payload: VideoTranscodingPayload, video: MVideoFullLight, user: MUser) => Promise<void>
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const handlers: { [ id in VideoTranscodingPayload['type'] ]: HandlerFunction } = {
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'new-resolution-to-hls': handleHLSJob,
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'new-resolution-to-webtorrent': handleNewWebTorrentResolutionJob,
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'merge-audio-to-webtorrent': handleWebTorrentMergeAudioJob,
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'optimize-to-webtorrent': handleWebTorrentOptimizeJob
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}
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const lTags = loggerTagsFactory('transcoding')
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async function processVideoTranscoding (job: Job) {
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const payload = job.data as VideoTranscodingPayload
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logger.info('Processing transcoding job %d.', job.id, lTags(payload.videoUUID))
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const video = await VideoModel.loadFull(payload.videoUUID)
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// No video, maybe deleted?
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if (!video) {
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logger.info('Do not process job %d, video does not exist.', job.id, lTags(payload.videoUUID))
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return undefined
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}
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const user = await UserModel.loadByChannelActorId(video.VideoChannel.actorId)
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const handler = handlers[payload.type]
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if (!handler) {
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await moveToFailedTranscodingState(video)
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await VideoJobInfoModel.decrease(video.uuid, 'pendingTranscode')
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throw new Error('Cannot find transcoding handler for ' + payload.type)
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}
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try {
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await handler(job, payload, video, user)
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} catch (error) {
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await moveToFailedTranscodingState(video)
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await VideoJobInfoModel.decrease(video.uuid, 'pendingTranscode')
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throw error
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}
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return video
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}
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// ---------------------------------------------------------------------------
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export {
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processVideoTranscoding
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}
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// ---------------------------------------------------------------------------
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// Job handlers
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// ---------------------------------------------------------------------------
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async function handleHLSJob (job: Job, payload: HLSTranscodingPayload, video: MVideoFullLight, user: MUser) {
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logger.info('Handling HLS transcoding job for %s.', video.uuid, lTags(video.uuid))
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const videoFileInput = payload.copyCodecs
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? video.getWebTorrentFile(payload.resolution)
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: video.getMaxQualityFile()
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const videoOrStreamingPlaylist = videoFileInput.getVideoOrStreamingPlaylist()
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await VideoPathManager.Instance.makeAvailableVideoFile(videoFileInput.withVideoOrPlaylist(videoOrStreamingPlaylist), videoInputPath => {
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return generateHlsPlaylistResolution({
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video,
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videoInputPath,
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resolution: payload.resolution,
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copyCodecs: payload.copyCodecs,
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job
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})
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})
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logger.info('HLS transcoding job for %s ended.', video.uuid, lTags(video.uuid))
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await onHlsPlaylistGeneration(video, user, payload)
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}
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async function handleNewWebTorrentResolutionJob (
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job: Job,
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payload: NewWebTorrentResolutionTranscodingPayload,
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video: MVideoFullLight,
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user: MUserId
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) {
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logger.info('Handling WebTorrent transcoding job for %s.', video.uuid, lTags(video.uuid))
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await transcodeNewWebTorrentResolution({ video, resolution: payload.resolution, job })
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logger.info('WebTorrent transcoding job for %s ended.', video.uuid, lTags(video.uuid))
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await onNewWebTorrentFileResolution(video, user, payload)
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}
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async function handleWebTorrentMergeAudioJob (job: Job, payload: MergeAudioTranscodingPayload, video: MVideoFullLight, user: MUserId) {
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logger.info('Handling merge audio transcoding job for %s.', video.uuid, lTags(video.uuid))
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await mergeAudioVideofile({ video, resolution: payload.resolution, job })
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logger.info('Merge audio transcoding job for %s ended.', video.uuid, lTags(video.uuid))
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await onVideoFirstWebTorrentTranscoding(video, payload, 'video', user)
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}
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async function handleWebTorrentOptimizeJob (job: Job, payload: OptimizeTranscodingPayload, video: MVideoFullLight, user: MUserId) {
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logger.info('Handling optimize transcoding job for %s.', video.uuid, lTags(video.uuid))
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const { transcodeType } = await optimizeOriginalVideofile({ video, inputVideoFile: video.getMaxQualityFile(), job })
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logger.info('Optimize transcoding job for %s ended.', video.uuid, lTags(video.uuid))
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await onVideoFirstWebTorrentTranscoding(video, payload, transcodeType, user)
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}
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// ---------------------------------------------------------------------------
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async function onHlsPlaylistGeneration (video: MVideoFullLight, user: MUser, payload: HLSTranscodingPayload) {
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if (payload.isMaxQuality && payload.autoDeleteWebTorrentIfNeeded && CONFIG.TRANSCODING.WEBTORRENT.ENABLED === false) {
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// Remove webtorrent files if not enabled
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for (const file of video.VideoFiles) {
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await video.removeWebTorrentFile(file)
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await file.destroy()
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}
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video.VideoFiles = []
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// Create HLS new resolution jobs
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await createLowerResolutionsJobs({
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video,
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user,
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videoFileResolution: payload.resolution,
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hasAudio: payload.hasAudio,
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isNewVideo: payload.isNewVideo ?? true,
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type: 'hls'
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})
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}
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await VideoJobInfoModel.decrease(video.uuid, 'pendingTranscode')
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await retryTransactionWrapper(moveToNextState, { video, isNewVideo: payload.isNewVideo })
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}
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async function onVideoFirstWebTorrentTranscoding (
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videoArg: MVideoWithFile,
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payload: OptimizeTranscodingPayload | MergeAudioTranscodingPayload,
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transcodeType: TranscodeVODOptionsType,
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user: MUserId
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) {
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const { resolution, audioStream } = await videoArg.probeMaxQualityFile()
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// Maybe the video changed in database, refresh it
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const videoDatabase = await VideoModel.loadFull(videoArg.uuid)
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// Video does not exist anymore
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if (!videoDatabase) return undefined
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// Generate HLS version of the original file
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const originalFileHLSPayload = {
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...payload,
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hasAudio: !!audioStream,
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resolution: videoDatabase.getMaxQualityFile().resolution,
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// If we quick transcoded original file, force transcoding for HLS to avoid some weird playback issues
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copyCodecs: transcodeType !== 'quick-transcode',
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isMaxQuality: true
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}
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const hasHls = await createHlsJobIfEnabled(user, originalFileHLSPayload)
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const hasNewResolutions = await createLowerResolutionsJobs({
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video: videoDatabase,
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user,
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videoFileResolution: resolution,
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hasAudio: !!audioStream,
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type: 'webtorrent',
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isNewVideo: payload.isNewVideo ?? true
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})
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await VideoJobInfoModel.decrease(videoDatabase.uuid, 'pendingTranscode')
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// Move to next state if there are no other resolutions to generate
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if (!hasHls && !hasNewResolutions) {
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await retryTransactionWrapper(moveToNextState, { video: videoDatabase, isNewVideo: payload.isNewVideo })
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}
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}
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async function onNewWebTorrentFileResolution (
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video: MVideo,
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user: MUserId,
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payload: NewWebTorrentResolutionTranscodingPayload | MergeAudioTranscodingPayload
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) {
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if (payload.createHLSIfNeeded) {
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await createHlsJobIfEnabled(user, { hasAudio: true, copyCodecs: true, isMaxQuality: false, ...payload })
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}
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await VideoJobInfoModel.decrease(video.uuid, 'pendingTranscode')
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await retryTransactionWrapper(moveToNextState, { video, isNewVideo: payload.isNewVideo })
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}
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// ---------------------------------------------------------------------------
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async function createHlsJobIfEnabled (user: MUserId, payload: {
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videoUUID: string
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resolution: number
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hasAudio: boolean
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copyCodecs: boolean
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isMaxQuality: boolean
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isNewVideo?: boolean
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}) {
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if (!payload || CONFIG.TRANSCODING.ENABLED !== true || CONFIG.TRANSCODING.HLS.ENABLED !== true) return false
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const jobOptions = {
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priority: await getTranscodingJobPriority(user)
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}
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const hlsTranscodingPayload: HLSTranscodingPayload = {
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type: 'new-resolution-to-hls',
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autoDeleteWebTorrentIfNeeded: true,
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...pick(payload, [ 'videoUUID', 'resolution', 'copyCodecs', 'isMaxQuality', 'isNewVideo', 'hasAudio' ])
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}
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await addTranscodingJob(hlsTranscodingPayload, jobOptions)
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return true
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}
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async function createLowerResolutionsJobs (options: {
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video: MVideoFullLight
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user: MUserId
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videoFileResolution: number
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hasAudio: boolean
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isNewVideo: boolean
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type: 'hls' | 'webtorrent'
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}) {
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const { video, user, videoFileResolution, isNewVideo, hasAudio, type } = options
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// Create transcoding jobs if there are enabled resolutions
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const resolutionsEnabled = await Hooks.wrapObject(
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computeResolutionsToTranscode({ inputResolution: videoFileResolution, type: 'vod', includeInputResolution: false }),
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'filter:transcoding.auto.lower-resolutions-to-transcode.result',
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options
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)
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const resolutionCreated: string[] = []
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for (const resolution of resolutionsEnabled) {
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if (resolution === VideoResolution.H_NOVIDEO && hasAudio === false) continue
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let dataInput: VideoTranscodingPayload
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if (CONFIG.TRANSCODING.WEBTORRENT.ENABLED && type === 'webtorrent') {
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// WebTorrent will create subsequent HLS job
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dataInput = {
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type: 'new-resolution-to-webtorrent',
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videoUUID: video.uuid,
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resolution,
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hasAudio,
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createHLSIfNeeded: true,
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isNewVideo
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}
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resolutionCreated.push('webtorrent-' + resolution)
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}
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if (CONFIG.TRANSCODING.HLS.ENABLED && type === 'hls') {
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dataInput = {
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type: 'new-resolution-to-hls',
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videoUUID: video.uuid,
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resolution,
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hasAudio,
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copyCodecs: false,
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isMaxQuality: false,
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autoDeleteWebTorrentIfNeeded: true,
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isNewVideo
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}
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resolutionCreated.push('hls-' + resolution)
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}
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if (!dataInput) continue
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const jobOptions = {
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priority: await getTranscodingJobPriority(user)
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}
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await addTranscodingJob(dataInput, jobOptions)
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}
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if (resolutionCreated.length === 0) {
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logger.info('No transcoding jobs created for video %s (no resolutions).', video.uuid, lTags(video.uuid))
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return false
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}
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logger.info(
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'New resolutions %s transcoding jobs created for video %s and origin file resolution of %d.', type, video.uuid, videoFileResolution,
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{ resolutionCreated, ...lTags(video.uuid) }
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)
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return true
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}
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