mirror of https://github.com/Chocobozzz/PeerTube
				
				
				
			
		
			
				
	
	
		
			320 lines
		
	
	
		
			11 KiB
		
	
	
	
		
			TypeScript
		
	
	
			
		
		
	
	
			320 lines
		
	
	
		
			11 KiB
		
	
	
	
		
			TypeScript
		
	
	
| import { Job } from 'bullmq'
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| import { remove } from 'fs-extra/esm'
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| import { readdir } from 'fs/promises'
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| import { join } from 'path'
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| import { ThumbnailType, VideoLiveEndingPayload, VideoState } from '@peertube/peertube-models'
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| import { peertubeTruncate } from '@server/helpers/core-utils.js'
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| import { CONSTRAINTS_FIELDS } from '@server/initializers/constants.js'
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| import { getLocalVideoActivityPubUrl } from '@server/lib/activitypub/url.js'
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| import { federateVideoIfNeeded } from '@server/lib/activitypub/videos/index.js'
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| import { cleanupAndDestroyPermanentLive, cleanupTMPLiveFiles, cleanupUnsavedNormalLive } from '@server/lib/live/index.js'
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| import {
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|   generateHLSMasterPlaylistFilename,
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|   generateHlsSha256SegmentsFilename,
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|   getHLSDirectory,
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|   getLiveReplayBaseDirectory
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| } from '@server/lib/paths.js'
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| import { generateLocalVideoMiniature, regenerateMiniaturesIfNeeded } from '@server/lib/thumbnail.js'
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| import { generateHlsPlaylistResolutionFromTS } from '@server/lib/transcoding/hls-transcoding.js'
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| import { VideoPathManager } from '@server/lib/video-path-manager.js'
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| import { moveToNextState } from '@server/lib/video-state.js'
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| import { VideoBlacklistModel } from '@server/models/video/video-blacklist.js'
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| import { VideoFileModel } from '@server/models/video/video-file.js'
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| import { VideoLiveReplaySettingModel } from '@server/models/video/video-live-replay-setting.js'
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| import { VideoLiveSessionModel } from '@server/models/video/video-live-session.js'
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| import { VideoLiveModel } from '@server/models/video/video-live.js'
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| import { VideoStreamingPlaylistModel } from '@server/models/video/video-streaming-playlist.js'
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| import { VideoModel } from '@server/models/video/video.js'
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| import { MVideo, MVideoLive, MVideoLiveSession, MVideoWithAllFiles } from '@server/types/models/index.js'
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| import { ffprobePromise, getAudioStream, getVideoStreamDimensionsInfo, getVideoStreamFPS } from '@peertube/peertube-ffmpeg'
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| import { logger, loggerTagsFactory } from '../../../helpers/logger.js'
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| import { JobQueue } from '../job-queue.js'
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| import { isVideoInPublicDirectory } from '@server/lib/video-privacy.js'
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| import { buildStoryboardJobIfNeeded } from '@server/lib/video-jobs.js'
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| 
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| const lTags = loggerTagsFactory('live', 'job')
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| 
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| async function processVideoLiveEnding (job: Job) {
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|   const payload = job.data as VideoLiveEndingPayload
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| 
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|   logger.info('Processing video live ending for %s.', payload.videoId, { payload, ...lTags() })
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| 
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|   function logError () {
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|     logger.warn('Video live %d does not exist anymore. Cannot process live ending.', payload.videoId, lTags())
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|   }
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| 
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|   const video = await VideoModel.load(payload.videoId)
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|   const live = await VideoLiveModel.loadByVideoId(payload.videoId)
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|   const liveSession = await VideoLiveSessionModel.load(payload.liveSessionId)
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| 
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|   if (!video || !live || !liveSession) {
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|     logError()
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|     return
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|   }
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| 
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|   const permanentLive = live.permanentLive
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| 
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|   liveSession.endingProcessed = true
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|   await liveSession.save()
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| 
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|   if (liveSession.saveReplay !== true) {
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|     return cleanupLiveAndFederate({ permanentLive, video, streamingPlaylistId: payload.streamingPlaylistId })
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|   }
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| 
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|   if (await hasReplayFiles(payload.replayDirectory) !== true) {
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|     logger.info(`No replay files found for live ${video.uuid}, skipping video replay creation.`, { ...lTags(video.uuid) })
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| 
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|     return cleanupLiveAndFederate({ permanentLive, video, streamingPlaylistId: payload.streamingPlaylistId })
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|   }
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| 
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|   if (permanentLive) {
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|     await saveReplayToExternalVideo({
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|       liveVideo: video,
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|       liveSession,
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|       publishedAt: payload.publishedAt,
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|       replayDirectory: payload.replayDirectory
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|     })
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| 
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|     return cleanupLiveAndFederate({ permanentLive, video, streamingPlaylistId: payload.streamingPlaylistId })
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|   }
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| 
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|   return replaceLiveByReplay({
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|     video,
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|     liveSession,
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|     live,
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|     permanentLive,
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|     replayDirectory: payload.replayDirectory
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|   })
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| }
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| 
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| // ---------------------------------------------------------------------------
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| 
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| export {
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|   processVideoLiveEnding
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| }
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| 
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| // ---------------------------------------------------------------------------
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| 
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| async function saveReplayToExternalVideo (options: {
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|   liveVideo: MVideo
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|   liveSession: MVideoLiveSession
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|   publishedAt: string
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|   replayDirectory: string
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| }) {
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|   const { liveVideo, liveSession, publishedAt, replayDirectory } = options
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| 
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|   const replaySettings = await VideoLiveReplaySettingModel.load(liveSession.replaySettingId)
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| 
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|   const videoNameSuffix = ` - ${new Date(publishedAt).toLocaleString()}`
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|   const truncatedVideoName = peertubeTruncate(liveVideo.name, {
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|     length: CONSTRAINTS_FIELDS.VIDEOS.NAME.max - videoNameSuffix.length
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|   })
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| 
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|   const replayVideo = new VideoModel({
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|     name: truncatedVideoName + videoNameSuffix,
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|     isLive: false,
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|     state: VideoState.TO_TRANSCODE,
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|     duration: 0,
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| 
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|     remote: liveVideo.remote,
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|     category: liveVideo.category,
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|     licence: liveVideo.licence,
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|     language: liveVideo.language,
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|     commentsEnabled: liveVideo.commentsEnabled,
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|     downloadEnabled: liveVideo.downloadEnabled,
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|     waitTranscoding: true,
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|     nsfw: liveVideo.nsfw,
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|     description: liveVideo.description,
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|     aspectRatio: liveVideo.aspectRatio,
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|     support: liveVideo.support,
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|     privacy: replaySettings.privacy,
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|     channelId: liveVideo.channelId
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|   }) as MVideoWithAllFiles
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| 
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|   replayVideo.Thumbnails = []
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|   replayVideo.VideoFiles = []
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|   replayVideo.VideoStreamingPlaylists = []
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| 
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|   replayVideo.url = getLocalVideoActivityPubUrl(replayVideo)
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| 
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|   await replayVideo.save()
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| 
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|   liveSession.replayVideoId = replayVideo.id
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|   await liveSession.save()
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| 
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|   // If live is blacklisted, also blacklist the replay
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|   const blacklist = await VideoBlacklistModel.loadByVideoId(liveVideo.id)
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|   if (blacklist) {
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|     await VideoBlacklistModel.create({
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|       videoId: replayVideo.id,
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|       unfederated: blacklist.unfederated,
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|       reason: blacklist.reason,
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|       type: blacklist.type
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|     })
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|   }
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| 
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|   const inputFileMutexReleaser = await VideoPathManager.Instance.lockFiles(liveVideo.uuid)
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| 
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|   try {
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|     await assignReplayFilesToVideo({ video: replayVideo, replayDirectory })
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| 
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|     await remove(replayDirectory)
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|   } finally {
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|     inputFileMutexReleaser()
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|   }
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| 
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|   const thumbnails = await generateLocalVideoMiniature({
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|     video: replayVideo,
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|     videoFile: replayVideo.getMaxQualityFile(),
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|     types: [ ThumbnailType.MINIATURE, ThumbnailType.PREVIEW ],
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|     ffprobe: undefined
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|   })
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| 
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|   for (const thumbnail of thumbnails) {
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|     await replayVideo.addAndSaveThumbnail(thumbnail)
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|   }
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| 
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|   await moveToNextState({ video: replayVideo, isNewVideo: true })
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| 
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|   await createStoryboardJob(replayVideo)
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| }
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| 
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| async function replaceLiveByReplay (options: {
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|   video: MVideo
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|   liveSession: MVideoLiveSession
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|   live: MVideoLive
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|   permanentLive: boolean
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|   replayDirectory: string
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| }) {
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|   const { video: liveVideo, liveSession, live, permanentLive, replayDirectory } = options
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| 
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|   const replaySettings = await VideoLiveReplaySettingModel.load(liveSession.replaySettingId)
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|   const videoWithFiles = await VideoModel.loadFull(liveVideo.id)
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|   const hlsPlaylist = videoWithFiles.getHLSPlaylist()
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|   const replayInAnotherDirectory = isVideoInPublicDirectory(liveVideo.privacy) !== isVideoInPublicDirectory(replaySettings.privacy)
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| 
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|   logger.info(`Replacing live ${liveVideo.uuid} by replay ${replayDirectory}.`, { replayInAnotherDirectory, ...lTags(liveVideo.uuid) })
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| 
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|   await cleanupTMPLiveFiles(videoWithFiles, hlsPlaylist)
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| 
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|   await live.destroy()
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| 
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|   videoWithFiles.isLive = false
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|   videoWithFiles.privacy = replaySettings.privacy
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|   videoWithFiles.waitTranscoding = true
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|   videoWithFiles.state = VideoState.TO_TRANSCODE
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| 
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|   await videoWithFiles.save()
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| 
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|   liveSession.replayVideoId = videoWithFiles.id
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|   await liveSession.save()
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| 
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|   await VideoFileModel.removeHLSFilesOfVideoId(hlsPlaylist.id)
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| 
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|   // Reset playlist
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|   hlsPlaylist.VideoFiles = []
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|   hlsPlaylist.playlistFilename = generateHLSMasterPlaylistFilename()
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|   hlsPlaylist.segmentsSha256Filename = generateHlsSha256SegmentsFilename()
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|   await hlsPlaylist.save()
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| 
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|   const inputFileMutexReleaser = await VideoPathManager.Instance.lockFiles(videoWithFiles.uuid)
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| 
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|   try {
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|     await assignReplayFilesToVideo({ video: videoWithFiles, replayDirectory })
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| 
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|     // Should not happen in this function, but we keep the code if in the future we can replace the permanent live by a replay
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|     if (permanentLive) { // Remove session replay
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|       await remove(replayDirectory)
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|     } else {
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|       // We won't stream again in this live, we can delete the base replay directory
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|       await remove(getLiveReplayBaseDirectory(liveVideo))
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| 
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|       // If the live was in another base directory, also delete it
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|       if (replayInAnotherDirectory) {
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|         await remove(getHLSDirectory(liveVideo))
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|       }
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|     }
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|   } finally {
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|     inputFileMutexReleaser()
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|   }
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| 
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|   // Regenerate the thumbnail & preview?
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|   await regenerateMiniaturesIfNeeded(videoWithFiles, undefined)
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| 
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|   // We consider this is a new video
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|   await moveToNextState({ video: videoWithFiles, isNewVideo: true })
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| 
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|   await createStoryboardJob(videoWithFiles)
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| }
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| 
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| async function assignReplayFilesToVideo (options: {
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|   video: MVideo
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|   replayDirectory: string
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| }) {
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|   const { video, replayDirectory } = options
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| 
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|   const concatenatedTsFiles = await readdir(replayDirectory)
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| 
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|   logger.info(`Assigning replays ${replayDirectory} to video ${video.uuid}.`, { concatenatedTsFiles, ...lTags(video.uuid) })
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| 
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|   for (const concatenatedTsFile of concatenatedTsFiles) {
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|     // Generating hls playlist can be long, reload the video in this case
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|     await video.reload()
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| 
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|     const concatenatedTsFilePath = join(replayDirectory, concatenatedTsFile)
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| 
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|     const probe = await ffprobePromise(concatenatedTsFilePath)
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|     const { audioStream } = await getAudioStream(concatenatedTsFilePath, probe)
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|     const { resolution } = await getVideoStreamDimensionsInfo(concatenatedTsFilePath, probe)
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|     const fps = await getVideoStreamFPS(concatenatedTsFilePath, probe)
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| 
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|     try {
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|       await generateHlsPlaylistResolutionFromTS({
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|         video,
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|         inputFileMutexReleaser: null, // Already locked in parent
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|         concatenatedTsFilePath,
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|         resolution,
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|         fps,
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|         isAAC: audioStream?.codec_name === 'aac'
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|       })
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|     } catch (err) {
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|       logger.error('Cannot generate HLS playlist resolution from TS files.', { err })
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|     }
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|   }
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| 
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|   return video
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| }
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| 
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| async function cleanupLiveAndFederate (options: {
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|   video: MVideo
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|   permanentLive: boolean
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|   streamingPlaylistId: number
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| }) {
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|   const { permanentLive, video, streamingPlaylistId } = options
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| 
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|   const streamingPlaylist = await VideoStreamingPlaylistModel.loadWithVideo(streamingPlaylistId)
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| 
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|   if (streamingPlaylist) {
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|     if (permanentLive) {
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|       await cleanupAndDestroyPermanentLive(video, streamingPlaylist)
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|     } else {
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|       await cleanupUnsavedNormalLive(video, streamingPlaylist)
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|     }
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|   }
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| 
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|   try {
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|     const fullVideo = await VideoModel.loadFull(video.id)
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|     return federateVideoIfNeeded(fullVideo, false, undefined)
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|   } catch (err) {
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|     logger.warn('Cannot federate live after cleanup', { videoId: video.id, err })
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|   }
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| }
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| 
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| function createStoryboardJob (video: MVideo) {
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|   return JobQueue.Instance.createJob(buildStoryboardJobIfNeeded({ video, federate: true }))
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| }
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| 
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| async function hasReplayFiles (replayDirectory: string) {
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|   return (await readdir(replayDirectory)).length !== 0
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| }
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