]> git.immae.eu Git - github/Chocobozzz/PeerTube.git/blobdiff - server/lib/live/shared/muxing-session.ts
Merge branch 'release/4.3.0' into develop
[github/Chocobozzz/PeerTube.git] / server / lib / live / shared / muxing-session.ts
index 22a47942a41c5dd0b236e392b7234d2b97a8ed40..6ec1269556a6cfacc7d4d1deab37373cfa3660d6 100644 (file)
@@ -3,34 +3,36 @@ import { mapSeries } from 'bluebird'
 import { FSWatcher, watch } from 'chokidar'
 import { FfmpegCommand } from 'fluent-ffmpeg'
 import { appendFile, ensureDir, readFile, stat } from 'fs-extra'
+import PQueue from 'p-queue'
 import { basename, join } from 'path'
 import { EventEmitter } from 'stream'
-import { getLiveMuxingCommand, getLiveTranscodingCommand } from '@server/helpers/ffmpeg-utils'
+import { getLiveMuxingCommand, getLiveTranscodingCommand } from '@server/helpers/ffmpeg'
 import { logger, loggerTagsFactory, LoggerTagsFn } from '@server/helpers/logger'
 import { CONFIG } from '@server/initializers/config'
 import { MEMOIZE_TTL, VIDEO_LIVE } from '@server/initializers/constants'
+import { removeHLSFileObjectStorageByPath, storeHLSFileFromFilename, storeHLSFileFromPath } from '@server/lib/object-storage'
 import { VideoFileModel } from '@server/models/video/video-file'
 import { MStreamingPlaylistVideo, MUserId, MVideoLiveVideo } from '@server/types/models'
-import { getLiveDirectory } from '../../paths'
-import { VideoTranscodingProfilesManager } from '../../transcoding/video-transcoding-profiles'
+import { VideoStorage } from '@shared/models'
+import { getLiveDirectory, getLiveReplayBaseDirectory } from '../../paths'
+import { VideoTranscodingProfilesManager } from '../../transcoding/default-transcoding-profiles'
 import { isAbleToUploadVideo } from '../../user'
 import { LiveQuotaStore } from '../live-quota-store'
 import { LiveSegmentShaStore } from '../live-segment-sha-store'
 import { buildConcatenatedName } from '../live-utils'
 
 import memoizee = require('memoizee')
-
 interface MuxingSessionEvents {
-  'master-playlist-created': ({ videoId: number }) => void
+  'live-ready': (options: { videoId: number }) => void
 
-  'bad-socket-health': ({ videoId: number }) => void
-  'duration-exceeded': ({ videoId: number }) => void
-  'quota-exceeded': ({ videoId: number }) => void
+  'bad-socket-health': (options: { videoId: number }) => void
+  'duration-exceeded': (options: { videoId: number }) => void
+  'quota-exceeded': (options: { videoId: number }) => void
 
-  'ffmpeg-end': ({ videoId: number }) => void
-  'ffmpeg-error': ({ sessionId: string }) => void
+  'ffmpeg-end': (options: { videoId: number }) => void
+  'ffmpeg-error': (options: { videoId: number }) => void
 
-  'after-cleanup': ({ videoId: number }) => void
+  'after-cleanup': (options: { videoId: number }) => void
 }
 
 declare interface MuxingSession {
@@ -59,16 +61,29 @@ class MuxingSession extends EventEmitter {
   private readonly bitrate: number
   private readonly ratio: number
 
+  private readonly hasAudio: boolean
+
   private readonly videoId: number
   private readonly videoUUID: string
   private readonly saveReplay: boolean
 
+  private readonly outDirectory: string
+  private readonly replayDirectory: string
+
+  private readonly liveSegmentShaStore: LiveSegmentShaStore
+
   private readonly lTags: LoggerTagsFn
 
   private segmentsToProcessPerPlaylist: { [playlistId: string]: string[] } = {}
 
   private tsWatcher: FSWatcher
   private masterWatcher: FSWatcher
+  private m3u8Watcher: FSWatcher
+
+  private masterPlaylistCreated = false
+  private liveReady = false
+
+  private aborted = false
 
   private readonly isAbleToUploadVideoWithCache = memoizee((userId: number) => {
     return isAbleToUploadVideo(userId, 1000)
@@ -89,6 +104,7 @@ class MuxingSession extends EventEmitter {
     bitrate: number
     ratio: number
     allResolutions: number[]
+    hasAudio: boolean
   }) {
     super()
 
@@ -103,6 +119,8 @@ class MuxingSession extends EventEmitter {
     this.bitrate = options.bitrate
     this.ratio = options.ratio
 
+    this.hasAudio = options.hasAudio
+
     this.allResolutions = options.allResolutions
 
     this.videoId = this.videoLive.Video.id
@@ -110,35 +128,55 @@ class MuxingSession extends EventEmitter {
 
     this.saveReplay = this.videoLive.saveReplay
 
+    this.outDirectory = getLiveDirectory(this.videoLive.Video)
+    this.replayDirectory = join(getLiveReplayBaseDirectory(this.videoLive.Video), new Date().toISOString())
+
+    this.liveSegmentShaStore = new LiveSegmentShaStore({
+      videoUUID: this.videoLive.Video.uuid,
+      sha256Path: join(this.outDirectory, this.streamingPlaylist.segmentsSha256Filename),
+      streamingPlaylist: this.streamingPlaylist,
+      sendToObjectStorage: CONFIG.OBJECT_STORAGE.ENABLED
+    })
+
     this.lTags = loggerTagsFactory('live', this.sessionId, this.videoUUID)
   }
 
   async runMuxing () {
     this.createFiles()
 
-    const outPath = await this.prepareDirectories()
+    await this.prepareDirectories()
 
     this.ffmpegCommand = CONFIG.LIVE.TRANSCODING.ENABLED
       ? await getLiveTranscodingCommand({
         inputUrl: this.inputUrl,
 
-        outPath,
+        outPath: this.outDirectory,
         masterPlaylistName: this.streamingPlaylist.playlistFilename,
 
+        latencyMode: this.videoLive.latencyMode,
+
         resolutions: this.allResolutions,
         fps: this.fps,
         bitrate: this.bitrate,
         ratio: this.ratio,
 
+        hasAudio: this.hasAudio,
+
         availableEncoders: VideoTranscodingProfilesManager.Instance.getAvailableEncoders(),
         profile: CONFIG.LIVE.TRANSCODING.PROFILE
       })
-      : getLiveMuxingCommand(this.inputUrl, outPath, this.streamingPlaylist.playlistFilename)
+      : getLiveMuxingCommand({
+        inputUrl: this.inputUrl,
+        outPath: this.outDirectory,
+        masterPlaylistName: this.streamingPlaylist.playlistFilename,
+        latencyMode: this.videoLive.latencyMode
+      })
 
     logger.info('Running live muxing/transcoding for %s.', this.videoUUID, this.lTags())
 
-    this.watchTSFiles(outPath)
-    this.watchMasterFile(outPath)
+    this.watchMasterFile()
+    this.watchTSFiles()
+    this.watchM3U8File()
 
     let ffmpegShellCommand: string
     this.ffmpegCommand.on('start', cmdline => {
@@ -148,10 +186,14 @@ class MuxingSession extends EventEmitter {
     })
 
     this.ffmpegCommand.on('error', (err, stdout, stderr) => {
-      this.onFFmpegError({ err, stdout, stderr, outPath, ffmpegShellCommand })
+      this.onFFmpegError({ err, stdout, stderr, ffmpegShellCommand })
     })
 
-    this.ffmpegCommand.on('end', () => this.onFFmpegEnded(outPath))
+    this.ffmpegCommand.on('end', () => {
+      this.emit('ffmpeg-end', ({ videoId: this.videoId }))
+
+      this.onFFmpegEnded()
+    })
 
     this.ffmpegCommand.run()
   }
@@ -159,6 +201,7 @@ class MuxingSession extends EventEmitter {
   abort () {
     if (!this.ffmpegCommand) return
 
+    this.aborted = true
     this.ffmpegCommand.kill('SIGINT')
   }
 
@@ -172,37 +215,36 @@ class MuxingSession extends EventEmitter {
     err: any
     stdout: string
     stderr: string
-    outPath: string
     ffmpegShellCommand: string
   }) {
-    const { err, stdout, stderr, outPath, ffmpegShellCommand } = options
+    const { err, stdout, stderr, ffmpegShellCommand } = options
 
-    this.onFFmpegEnded(outPath)
+    this.onFFmpegEnded()
 
     // Don't care that we killed the ffmpeg process
     if (err?.message?.includes('Exiting normally')) return
 
     logger.error('Live transcoding error.', { err, stdout, stderr, ffmpegShellCommand, ...this.lTags() })
 
-    this.emit('ffmpeg-error', ({ sessionId: this.sessionId }))
+    this.emit('ffmpeg-error', ({ videoId: this.videoId }))
   }
 
-  private onFFmpegEnded (outPath: string) {
+  private onFFmpegEnded () {
     logger.info('RTMP transmuxing for video %s ended. Scheduling cleanup', this.inputUrl, this.lTags())
 
     setTimeout(() => {
       // Wait latest segments generation, and close watchers
 
-      Promise.all([ this.tsWatcher.close(), this.masterWatcher.close() ])
+      Promise.all([ this.tsWatcher.close(), this.masterWatcher.close(), this.m3u8Watcher.close() ])
         .then(() => {
           // Process remaining segments hash
           for (const key of Object.keys(this.segmentsToProcessPerPlaylist)) {
-            this.processSegments(outPath, this.segmentsToProcessPerPlaylist[key])
+            this.processSegments(this.segmentsToProcessPerPlaylist[key])
           }
         })
         .catch(err => {
           logger.error(
-            'Cannot close watchers of %s or process remaining hash segments.', outPath,
+            'Cannot close watchers of %s or process remaining hash segments.', this.outDirectory,
             { err, ...this.lTags() }
           )
         })
@@ -211,21 +253,55 @@ class MuxingSession extends EventEmitter {
     }, 1000)
   }
 
-  private watchMasterFile (outPath: string) {
-    this.masterWatcher = watch(outPath + '/' + this.streamingPlaylist.playlistFilename)
+  private watchMasterFile () {
+    this.masterWatcher = watch(this.outDirectory + '/' + this.streamingPlaylist.playlistFilename)
 
-    this.masterWatcher.on('add', () => {
-      this.emit('master-playlist-created', { videoId: this.videoId })
+    this.masterWatcher.on('add', async () => {
+      if (this.streamingPlaylist.storage === VideoStorage.OBJECT_STORAGE) {
+        try {
+          const url = await storeHLSFileFromFilename(this.streamingPlaylist, this.streamingPlaylist.playlistFilename)
+
+          this.streamingPlaylist.playlistUrl = url
+          await this.streamingPlaylist.save()
+        } catch (err) {
+          logger.error('Cannot upload live master file to object storage.', { err, ...this.lTags() })
+        }
+      }
+
+      this.masterPlaylistCreated = true
 
       this.masterWatcher.close()
-        .catch(err => logger.error('Cannot close master watcher of %s.', outPath, { err, ...this.lTags() }))
+        .catch(err => logger.error('Cannot close master watcher of %s.', this.outDirectory, { err, ...this.lTags() }))
     })
   }
 
-  private watchTSFiles (outPath: string) {
+  private watchM3U8File () {
+    this.m3u8Watcher = watch(this.outDirectory + '/*.m3u8')
+
+    const sendQueues = new Map<string, PQueue>()
+
+    const onChangeOrAdd = async (m3u8Path: string) => {
+      if (this.streamingPlaylist.storage !== VideoStorage.OBJECT_STORAGE) return
+
+      try {
+        if (!sendQueues.has(m3u8Path)) {
+          sendQueues.set(m3u8Path, new PQueue({ concurrency: 1 }))
+        }
+
+        const queue = sendQueues.get(m3u8Path)
+        await queue.add(() => storeHLSFileFromPath(this.streamingPlaylist, m3u8Path))
+      } catch (err) {
+        logger.error('Cannot store in object storage m3u8 file %s', m3u8Path, { err, ...this.lTags() })
+      }
+    }
+
+    this.m3u8Watcher.on('change', onChangeOrAdd)
+  }
+
+  private watchTSFiles () {
     const startStreamDateTime = new Date().getTime()
 
-    this.tsWatcher = watch(outPath + '/*.ts')
+    this.tsWatcher = watch(this.outDirectory + '/*.ts')
 
     const playlistIdMatcher = /^([\d+])-/
 
@@ -235,7 +311,7 @@ class MuxingSession extends EventEmitter {
       const playlistId = basename(segmentPath).match(playlistIdMatcher)[0]
 
       const segmentsToProcess = this.segmentsToProcessPerPlaylist[playlistId] || []
-      this.processSegments(outPath, segmentsToProcess)
+      this.processSegments(segmentsToProcess)
 
       this.segmentsToProcessPerPlaylist[playlistId] = [ segmentPath ]
 
@@ -256,7 +332,21 @@ class MuxingSession extends EventEmitter {
       }
     }
 
-    const deleteHandler = segmentPath => LiveSegmentShaStore.Instance.removeSegmentSha(this.videoUUID, segmentPath)
+    const deleteHandler = async (segmentPath: string) => {
+      try {
+        await this.liveSegmentShaStore.removeSegmentSha(segmentPath)
+      } catch (err) {
+        logger.warn('Cannot remove segment sha %s from sha store', segmentPath, { err, ...this.lTags() })
+      }
+
+      if (this.streamingPlaylist.storage === VideoStorage.OBJECT_STORAGE) {
+        try {
+          await removeHLSFileObjectStorageByPath(this.streamingPlaylist, segmentPath)
+        } catch (err) {
+          logger.error('Cannot remove segment %s from object storage', segmentPath, { err, ...this.lTags() })
+        }
+      }
+    }
 
     this.tsWatcher.on('add', p => addHandler(p))
     this.tsWatcher.on('unlink', p => deleteHandler(p))
@@ -264,6 +354,7 @@ class MuxingSession extends EventEmitter {
 
   private async isQuotaExceeded (segmentPath: string) {
     if (this.saveReplay !== true) return false
+    if (this.aborted) return false
 
     try {
       const segmentStat = await stat(segmentPath)
@@ -288,6 +379,7 @@ class MuxingSession extends EventEmitter {
         extname: '.ts',
         infoHash: null,
         fps: this.fps,
+        storage: this.streamingPlaylist.storage,
         videoStreamingPlaylistId: this.streamingPlaylist.id
       })
 
@@ -297,16 +389,11 @@ class MuxingSession extends EventEmitter {
   }
 
   private async prepareDirectories () {
-    const outPath = getLiveDirectory(this.videoLive.Video)
-    await ensureDir(outPath)
-
-    const replayDirectory = join(outPath, VIDEO_LIVE.REPLAY_DIRECTORY)
+    await ensureDir(this.outDirectory)
 
     if (this.videoLive.saveReplay === true) {
-      await ensureDir(replayDirectory)
+      await ensureDir(this.replayDirectory)
     }
-
-    return outPath
   }
 
   private isDurationConstraintValid (streamingStartTime: number) {
@@ -320,15 +407,37 @@ class MuxingSession extends EventEmitter {
     return now <= max
   }
 
-  private processSegments (hlsVideoPath: string, segmentPaths: string[]) {
-    mapSeries(segmentPaths, async previousSegment => {
-      // Add sha hash of previous segments, because ffmpeg should have finished generating them
-      await LiveSegmentShaStore.Instance.addSegmentSha(this.videoUUID, previousSegment)
+  private processSegments (segmentPaths: string[]) {
+    mapSeries(segmentPaths, previousSegment => this.processSegment(previousSegment))
+      .catch(err => {
+        if (this.aborted) return
+
+        logger.error('Cannot process segments', { err, ...this.lTags() })
+      })
+  }
+
+  private async processSegment (segmentPath: string) {
+    // Add sha hash of previous segments, because ffmpeg should have finished generating them
+    await this.liveSegmentShaStore.addSegmentSha(segmentPath)
 
-      if (this.saveReplay) {
-        await this.addSegmentToReplay(hlsVideoPath, previousSegment)
+    if (this.saveReplay) {
+      await this.addSegmentToReplay(segmentPath)
+    }
+
+    if (this.streamingPlaylist.storage === VideoStorage.OBJECT_STORAGE) {
+      try {
+        await storeHLSFileFromPath(this.streamingPlaylist, segmentPath)
+      } catch (err) {
+        logger.error('Cannot store TS segment %s in object storage', segmentPath, { err, ...this.lTags() })
       }
-    }).catch(err => logger.error('Cannot process segments in %s', hlsVideoPath, { err, ...this.lTags() }))
+    }
+
+    // Master playlist and segment JSON file are created, live is ready
+    if (this.masterPlaylistCreated && !this.liveReady) {
+      this.liveReady = true
+
+      this.emit('live-ready', { videoId: this.videoId })
+    }
   }
 
   private hasClientSocketInBadHealth (sessionId: string) {
@@ -355,9 +464,9 @@ class MuxingSession extends EventEmitter {
     return false
   }
 
-  private async addSegmentToReplay (hlsVideoPath: string, segmentPath: string) {
+  private async addSegmentToReplay (segmentPath: string) {
     const segmentName = basename(segmentPath)
-    const dest = join(hlsVideoPath, VIDEO_LIVE.REPLAY_DIRECTORY, buildConcatenatedName(segmentName))
+    const dest = join(this.replayDirectory, buildConcatenatedName(segmentName))
 
     try {
       const data = await readFile(segmentPath)