]> git.immae.eu Git - github/Chocobozzz/PeerTube.git/blobdiff - server/lib/live-manager.ts
Fix live infohash of original resolution
[github/Chocobozzz/PeerTube.git] / server / lib / live-manager.ts
index f602bfb6da36fd97684b0b45abc2c9ec1242cea8..60ef30d15641cd5478defb4a0fdab65f018ba5ea 100644 (file)
@@ -1,21 +1,34 @@
 
-import { AsyncQueue, queue } from 'async'
 import * as chokidar from 'chokidar'
 import { FfmpegCommand } from 'fluent-ffmpeg'
-import { ensureDir, readdir, remove } from 'fs-extra'
-import { basename, join } from 'path'
-import { computeResolutionsToTranscode, runLiveMuxing, runLiveTranscoding } from '@server/helpers/ffmpeg-utils'
+import { ensureDir, stat } from 'fs-extra'
+import { basename } from 'path'
+import { isTestInstance } from '@server/helpers/core-utils'
+import {
+  computeResolutionsToTranscode,
+  getVideoFileFPS,
+  getVideoFileResolution,
+  runLiveMuxing,
+  runLiveTranscoding
+} from '@server/helpers/ffmpeg-utils'
 import { logger } from '@server/helpers/logger'
 import { CONFIG, registerConfigChangedHandler } from '@server/initializers/config'
-import { P2P_MEDIA_LOADER_PEER_VERSION, VIDEO_LIVE, WEBSERVER } from '@server/initializers/constants'
+import { MEMOIZE_TTL, P2P_MEDIA_LOADER_PEER_VERSION, VIDEO_LIVE, VIEW_LIFETIME, WEBSERVER } from '@server/initializers/constants'
+import { UserModel } from '@server/models/account/user'
+import { VideoModel } from '@server/models/video/video'
 import { VideoFileModel } from '@server/models/video/video-file'
 import { VideoLiveModel } from '@server/models/video/video-live'
 import { VideoStreamingPlaylistModel } from '@server/models/video/video-streaming-playlist'
-import { MStreamingPlaylist, MVideo, MVideoLiveVideo } from '@server/types/models'
+import { MStreamingPlaylist, MUserId, MVideoLive, MVideoLiveVideo } from '@server/types/models'
 import { VideoState, VideoStreamingPlaylistType } from '@shared/models'
+import { federateVideoIfNeeded } from './activitypub/videos'
 import { buildSha256Segment } from './hls'
+import { JobQueue } from './job-queue'
+import { PeerTubeSocket } from './peertube-socket'
+import { isAbleToUploadVideo } from './user'
 import { getHLSDirectory } from './video-paths'
 
+import memoizee = require('memoizee')
 const NodeRtmpServer = require('node-media-server/node_rtmp_server')
 const context = require('node-media-server/node_core_ctx')
 const nodeMediaServerLogger = require('node-media-server/node_core_logger')
@@ -36,27 +49,29 @@ const config = {
   }
 }
 
-type SegmentSha256QueueParam = {
-  operation: 'update' | 'delete'
-  videoUUID: string
-  segmentPath: string
-}
-
 class LiveManager {
 
   private static instance: LiveManager
 
   private readonly transSessions = new Map<string, FfmpegCommand>()
+  private readonly videoSessions = new Map<number, string>()
+  // Values are Date().getTime()
+  private readonly watchersPerVideo = new Map<number, number[]>()
   private readonly segmentsSha256 = new Map<string, Map<string, string>>()
+  private readonly livesPerUser = new Map<number, { liveId: number, videoId: number, size: number }[]>()
+
+  private readonly isAbleToUploadVideoWithCache = memoizee((userId: number) => {
+    return isAbleToUploadVideo(userId, 1000)
+  }, { maxAge: MEMOIZE_TTL.LIVE_ABLE_TO_UPLOAD })
 
-  private segmentsSha256Queue: AsyncQueue<SegmentSha256QueueParam>
   private rtmpServer: any
 
   private constructor () {
   }
 
   init () {
-    this.getContext().nodeEvent.on('postPublish', (sessionId: string, streamPath: string) => {
+    const events = this.getContext().nodeEvent
+    events.on('postPublish', (sessionId: string, streamPath: string) => {
       logger.debug('RTMP received stream', { id: sessionId, streamPath })
 
       const splittedPath = streamPath.split('/')
@@ -69,20 +84,8 @@ class LiveManager {
         .catch(err => logger.error('Cannot handle sessions.', { err }))
     })
 
-    this.getContext().nodeEvent.on('donePublish', sessionId => {
-      this.abortSession(sessionId)
-    })
-
-    this.segmentsSha256Queue = queue<SegmentSha256QueueParam, Error>((options, cb) => {
-      const promise = options.operation === 'update'
-        ? this.addSegmentSha(options)
-        : Promise.resolve(this.removeSegmentSha(options))
-
-      promise.then(() => cb())
-        .catch(err => {
-          logger.error('Cannot update/remove sha segment %s.', options.segmentPath, { err })
-          cb()
-        })
+    events.on('donePublish', sessionId => {
+      logger.info('Live session ended.', { sessionId })
     })
 
     registerConfigChangedHandler(() => {
@@ -95,10 +98,12 @@ class LiveManager {
         this.stop()
       }
     })
+
+    setInterval(() => this.updateLiveViews(), VIEW_LIFETIME.LIVE)
   }
 
   run () {
-    logger.info('Running RTMP server.')
+    logger.info('Running RTMP server on port %d', config.rtmp.port)
 
     this.rtmpServer = new NodeRtmpServer(config)
     this.rtmpServer.run()
@@ -111,20 +116,58 @@ class LiveManager {
     this.rtmpServer = undefined
   }
 
+  isRunning () {
+    return !!this.rtmpServer
+  }
+
   getSegmentsSha256 (videoUUID: string) {
     return this.segmentsSha256.get(videoUUID)
   }
 
+  stopSessionOf (videoId: number) {
+    const sessionId = this.videoSessions.get(videoId)
+    if (!sessionId) return
+
+    this.videoSessions.delete(videoId)
+    this.abortSession(sessionId)
+  }
+
+  getLiveQuotaUsedByUser (userId: number) {
+    const currentLives = this.livesPerUser.get(userId)
+    if (!currentLives) return 0
+
+    return currentLives.reduce((sum, obj) => sum + obj.size, 0)
+  }
+
+  addViewTo (videoId: number) {
+    if (this.videoSessions.has(videoId) === false) return
+
+    let watchers = this.watchersPerVideo.get(videoId)
+
+    if (!watchers) {
+      watchers = []
+      this.watchersPerVideo.set(videoId, watchers)
+    }
+
+    watchers.push(new Date().getTime())
+  }
+
   private getContext () {
     return context
   }
 
   private abortSession (id: string) {
     const session = this.getContext().sessions.get(id)
-    if (session) session.stop()
+    if (session) {
+      session.stop()
+      this.getContext().sessions.delete(id)
+    }
 
     const transSession = this.transSessions.get(id)
-    if (transSession) transSession.kill('SIGKILL')
+    if (transSession) {
+      transSession.kill('SIGINT')
+      this.transSessions.delete(id)
+    }
   }
 
   private async handleSession (sessionId: string, streamPath: string, streamKey: string) {
@@ -135,37 +178,48 @@ class LiveManager {
     }
 
     const video = videoLive.Video
+    if (video.isBlacklisted()) {
+      logger.warn('Video is blacklisted. Refusing stream %s.', streamKey)
+      return this.abortSession(sessionId)
+    }
+
+    this.videoSessions.set(video.id, sessionId)
+
     const playlistUrl = WEBSERVER.URL + VideoStreamingPlaylistModel.getHlsMasterPlaylistStaticPath(video.uuid)
 
     const session = this.getContext().sessions.get(sessionId)
+    const rtmpUrl = 'rtmp://127.0.0.1:' + config.rtmp.port + streamPath
+
+    const [ resolutionResult, fps ] = await Promise.all([
+      getVideoFileResolution(rtmpUrl),
+      getVideoFileFPS(rtmpUrl)
+    ])
+
     const resolutionsEnabled = CONFIG.LIVE.TRANSCODING.ENABLED
-      ? computeResolutionsToTranscode(session.videoHeight, 'live')
+      ? computeResolutionsToTranscode(resolutionResult.videoFileResolution, 'live')
       : []
 
-    logger.info('Will mux/transcode live video of original resolution %d.', session.videoHeight, { resolutionsEnabled })
+    const allResolutions = resolutionsEnabled.concat([ session.videoHeight ])
+
+    logger.info('Will mux/transcode live video of original resolution %d.', session.videoHeight, { allResolutions })
 
     const [ videoStreamingPlaylist ] = await VideoStreamingPlaylistModel.upsert({
       videoId: video.id,
       playlistUrl,
       segmentsSha256Url: WEBSERVER.URL + VideoStreamingPlaylistModel.getHlsSha256SegmentsStaticPath(video.uuid, video.isLive),
-      p2pMediaLoaderInfohashes: VideoStreamingPlaylistModel.buildP2PMediaLoaderInfoHashes(playlistUrl, resolutionsEnabled),
+      p2pMediaLoaderInfohashes: VideoStreamingPlaylistModel.buildP2PMediaLoaderInfoHashes(playlistUrl, allResolutions),
       p2pMediaLoaderPeerVersion: P2P_MEDIA_LOADER_PEER_VERSION,
 
       type: VideoStreamingPlaylistType.HLS
     }, { returning: true }) as [ MStreamingPlaylist, boolean ]
 
-    video.state = VideoState.PUBLISHED
-    await video.save()
-
-    // FIXME: federation?
-
     return this.runMuxing({
       sessionId,
       videoLive,
       playlist: videoStreamingPlaylist,
-      streamPath,
-      originalResolution: session.videoHeight,
-      resolutionsEnabled
+      rtmpUrl,
+      fps,
+      allResolutions
     })
   }
 
@@ -173,12 +227,21 @@ class LiveManager {
     sessionId: string
     videoLive: MVideoLiveVideo
     playlist: MStreamingPlaylist
-    streamPath: string
-    resolutionsEnabled: number[]
-    originalResolution: number
+    rtmpUrl: string
+    fps: number
+    allResolutions: number[]
   }) {
-    const { sessionId, videoLive, playlist, streamPath, resolutionsEnabled, originalResolution } = options
-    const allResolutions = resolutionsEnabled.concat([ originalResolution ])
+    const { sessionId, videoLive, playlist, allResolutions, fps, rtmpUrl } = options
+    const startStreamDateTime = new Date().getTime()
+
+    const user = await UserModel.loadByLiveId(videoLive.id)
+    if (!this.livesPerUser.has(user.id)) {
+      this.livesPerUser.set(user.id, [])
+    }
+
+    const currentUserLive = { liveId: videoLive.id, videoId: videoLive.videoId, size: 0 }
+    const livesOfUser = this.livesPerUser.get(user.id)
+    livesOfUser.push(currentUserLive)
 
     for (let i = 0; i < allResolutions.length; i++) {
       const resolution = allResolutions[i]
@@ -188,7 +251,7 @@ class LiveManager {
         size: -1,
         extname: '.ts',
         infoHash: null,
-        fps: -1,
+        fps,
         videoStreamingPlaylistId: playlist.id
       }).catch(err => {
         logger.error('Cannot create file for live streaming.', { err })
@@ -198,20 +261,89 @@ class LiveManager {
     const outPath = getHLSDirectory(videoLive.Video)
     await ensureDir(outPath)
 
-    const rtmpUrl = 'rtmp://127.0.0.1:' + config.rtmp.port + streamPath
-    const ffmpegExec = CONFIG.LIVE.TRANSCODING.ENABLED
-      ? runLiveTranscoding(rtmpUrl, outPath, allResolutions)
-      : runLiveMuxing(rtmpUrl, outPath)
+    const videoUUID = videoLive.Video.uuid
+    const deleteSegments = videoLive.saveReplay === false
 
-    logger.info('Running live muxing/transcoding.')
+    const ffmpegExec = CONFIG.LIVE.TRANSCODING.ENABLED
+      ? runLiveTranscoding(rtmpUrl, outPath, allResolutions, fps, deleteSegments)
+      : runLiveMuxing(rtmpUrl, outPath, deleteSegments)
 
+    logger.info('Running live muxing/transcoding for %s.', videoUUID)
     this.transSessions.set(sessionId, ffmpegExec)
 
+    const tsWatcher = chokidar.watch(outPath + '/*.ts')
+
+    let segmentsToProcess: string[] = []
+
+    const addHandler = segmentPath => {
+      // Add sha hash of previous segments, because ffmpeg should have finished generating them
+      for (const previousSegment of segmentsToProcess) {
+        this.addSegmentSha(videoUUID, previousSegment)
+          .catch(err => logger.error('Cannot add sha segment of video %s -> %s.', videoUUID, previousSegment, { err }))
+      }
+
+      segmentsToProcess = [ segmentPath ]
+
+      // Duration constraint check
+      if (this.isDurationConstraintValid(startStreamDateTime) !== true) {
+        logger.info('Stopping session of %s: max duration exceeded.', videoUUID)
+
+        this.stopSessionOf(videoLive.videoId)
+      }
+
+      // Check user quota if the user enabled replay saving
+      if (videoLive.saveReplay === true) {
+        stat(segmentPath)
+          .then(segmentStat => {
+            currentUserLive.size += segmentStat.size
+          })
+          .then(() => this.isQuotaConstraintValid(user, videoLive))
+          .then(quotaValid => {
+            if (quotaValid !== true) {
+              logger.info('Stopping session of %s: user quota exceeded.', videoUUID)
+
+              this.stopSessionOf(videoLive.videoId)
+            }
+          })
+          .catch(err => logger.error('Cannot stat %s or check quota of %d.', segmentPath, user.id, { err }))
+      }
+    }
+
+    const deleteHandler = segmentPath => this.removeSegmentSha(videoUUID, segmentPath)
+
+    tsWatcher.on('add', p => addHandler(p))
+    tsWatcher.on('unlink', p => deleteHandler(p))
+
+    const masterWatcher = chokidar.watch(outPath + '/master.m3u8')
+    masterWatcher.on('add', async () => {
+      try {
+        const video = await VideoModel.loadAndPopulateAccountAndServerAndTags(videoLive.videoId)
+
+        video.state = VideoState.PUBLISHED
+        await video.save()
+        videoLive.Video = video
+
+        await federateVideoIfNeeded(video, false)
+
+        PeerTubeSocket.Instance.sendVideoLiveNewState(video)
+      } catch (err) {
+        logger.error('Cannot federate video %d.', videoLive.videoId, { err })
+      } finally {
+        masterWatcher.close()
+          .catch(err => logger.error('Cannot close master watcher of %s.', outPath, { err }))
+      }
+    })
+
     const onFFmpegEnded = () => {
-      watcher.close()
-        .catch(err => logger.error('Cannot close watcher of %s.', outPath, { err }))
+      logger.info('RTMP transmuxing for video %s ended. Scheduling cleanup', rtmpUrl)
 
-      this.onEndTransmuxing(videoLive.Video, playlist, streamPath, outPath)
+      this.transSessions.delete(sessionId)
+      this.watchersPerVideo.delete(videoLive.videoId)
+
+      Promise.all([ tsWatcher.close(), masterWatcher.close() ])
+        .catch(err => logger.error('Cannot close watchers of %s.', outPath, { err }))
+
+      this.onEndTransmuxing(videoLive.Video.id)
         .catch(err => logger.error('Error in closed transmuxing.', { err }))
     }
 
@@ -219,85 +351,115 @@ class LiveManager {
       onFFmpegEnded()
 
       // Don't care that we killed the ffmpeg process
-      if (err?.message?.includes('SIGKILL')) return
+      if (err?.message?.includes('Exiting normally')) return
 
       logger.error('Live transcoding error.', { err, stdout, stderr })
+
+      this.abortSession(sessionId)
     })
 
     ffmpegExec.on('end', () => onFFmpegEnded())
-
-    const videoUUID = videoLive.Video.uuid
-    const watcher = chokidar.watch(outPath + '/*.ts')
-
-    const updateHandler = segmentPath => this.segmentsSha256Queue.push({ operation: 'update', segmentPath, videoUUID })
-    const deleteHandler = segmentPath => this.segmentsSha256Queue.push({ operation: 'delete', segmentPath, videoUUID })
-
-    watcher.on('add', p => updateHandler(p))
-    watcher.on('change', p => updateHandler(p))
-    watcher.on('unlink', p => deleteHandler(p))
   }
 
-  private async onEndTransmuxing (video: MVideo, playlist: MStreamingPlaylist, streamPath: string, outPath: string) {
-    logger.info('RTMP transmuxing for %s ended.', streamPath)
+  private async onEndTransmuxing (videoId: number, cleanupNow = false) {
+    try {
+      const fullVideo = await VideoModel.loadAndPopulateAccountAndServerAndTags(videoId)
+      if (!fullVideo) return
 
-    const files = await readdir(outPath)
+      JobQueue.Instance.createJob({
+        type: 'video-live-ending',
+        payload: {
+          videoId: fullVideo.id
+        }
+      }, { delay: cleanupNow ? 0 : VIDEO_LIVE.CLEANUP_DELAY })
 
-    for (const filename of files) {
-      if (
-        filename.endsWith('.ts') ||
-        filename.endsWith('.m3u8') ||
-        filename.endsWith('.mpd') ||
-        filename.endsWith('.m4s') ||
-        filename.endsWith('.tmp')
-      ) {
-        const p = join(outPath, filename)
+      fullVideo.state = VideoState.LIVE_ENDED
+      await fullVideo.save()
 
-        remove(p)
-          .catch(err => logger.error('Cannot remove %s.', p, { err }))
-      }
-    }
-
-    playlist.destroy()
-      .catch(err => logger.error('Cannot remove live streaming playlist.', { err }))
+      PeerTubeSocket.Instance.sendVideoLiveNewState(fullVideo)
 
-    video.state = VideoState.LIVE_ENDED
-    video.save()
-      .catch(err => logger.error('Cannot save new video state of live streaming.', { err }))
+      await federateVideoIfNeeded(fullVideo, false)
+    } catch (err) {
+      logger.error('Cannot save/federate new video state of live streaming.', { err })
+    }
   }
 
-  private async addSegmentSha (options: SegmentSha256QueueParam) {
-    const segmentName = basename(options.segmentPath)
-    logger.debug('Updating live sha segment %s.', options.segmentPath)
+  private async addSegmentSha (videoUUID: string, segmentPath: string) {
+    const segmentName = basename(segmentPath)
+    logger.debug('Adding live sha segment %s.', segmentPath)
 
-    const shaResult = await buildSha256Segment(options.segmentPath)
+    const shaResult = await buildSha256Segment(segmentPath)
 
-    if (!this.segmentsSha256.has(options.videoUUID)) {
-      this.segmentsSha256.set(options.videoUUID, new Map())
+    if (!this.segmentsSha256.has(videoUUID)) {
+      this.segmentsSha256.set(videoUUID, new Map())
     }
 
-    const filesMap = this.segmentsSha256.get(options.videoUUID)
+    const filesMap = this.segmentsSha256.get(videoUUID)
     filesMap.set(segmentName, shaResult)
   }
 
-  private removeSegmentSha (options: SegmentSha256QueueParam) {
-    const segmentName = basename(options.segmentPath)
+  private removeSegmentSha (videoUUID: string, segmentPath: string) {
+    const segmentName = basename(segmentPath)
 
-    logger.debug('Removing live sha segment %s.', options.segmentPath)
+    logger.debug('Removing live sha segment %s.', segmentPath)
 
-    const filesMap = this.segmentsSha256.get(options.videoUUID)
+    const filesMap = this.segmentsSha256.get(videoUUID)
     if (!filesMap) {
-      logger.warn('Unknown files map to remove sha for %s.', options.videoUUID)
+      logger.warn('Unknown files map to remove sha for %s.', videoUUID)
       return
     }
 
     if (!filesMap.has(segmentName)) {
-      logger.warn('Unknown segment in files map for video %s and segment %s.', options.videoUUID, options.segmentPath)
+      logger.warn('Unknown segment in files map for video %s and segment %s.', videoUUID, segmentPath)
       return
     }
 
     filesMap.delete(segmentName)
   }
 
+  private isDurationConstraintValid (streamingStartTime: number) {
+    const maxDuration = CONFIG.LIVE.MAX_DURATION
+    // No limit
+    if (maxDuration === null) return true
+
+    const now = new Date().getTime()
+    const max = streamingStartTime + maxDuration
+
+    return now <= max
+  }
+
+  private async isQuotaConstraintValid (user: MUserId, live: MVideoLive) {
+    if (live.saveReplay !== true) return true
+
+    return this.isAbleToUploadVideoWithCache(user.id)
+  }
+
+  private async updateLiveViews () {
+    if (!this.isRunning()) return
+
+    if (!isTestInstance()) logger.info('Updating live video views.')
+
+    for (const videoId of this.watchersPerVideo.keys()) {
+      const notBefore = new Date().getTime() - VIEW_LIFETIME.LIVE
+
+      const watchers = this.watchersPerVideo.get(videoId)
+
+      const numWatchers = watchers.length
+
+      const video = await VideoModel.loadAndPopulateAccountAndServerAndTags(videoId)
+      video.views = numWatchers
+      await video.save()
+
+      await federateVideoIfNeeded(video, false)
+
+      // Only keep not expired watchers
+      const newWatchers = watchers.filter(w => w > notBefore)
+      this.watchersPerVideo.set(videoId, newWatchers)
+
+      logger.debug('New live video views for %s is %d.', video.url, numWatchers)
+    }
+  }
+
   static get Instance () {
     return this.instance || (this.instance = new this())
   }