-import { AsyncQueue, queue } from 'async'
+import * as Bluebird from 'bluebird'
import * as chokidar from 'chokidar'
import { FfmpegCommand } from 'fluent-ffmpeg'
-import { ensureDir, readdir, remove } from 'fs-extra'
+import { appendFile, ensureDir, readFile, stat } from 'fs-extra'
+import { createServer, Server } from 'net'
import { basename, join } from 'path'
-import { computeResolutionsToTranscode, runLiveMuxing, runLiveTranscoding } from '@server/helpers/ffmpeg-utils'
+import { isTestInstance } from '@server/helpers/core-utils'
+import { getLiveMuxingCommand, getLiveTranscodingCommand } from '@server/helpers/ffmpeg-utils'
+import { computeResolutionsToTranscode, getVideoFileFPS, getVideoFileResolution } from '@server/helpers/ffprobe-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, MStreamingPlaylistVideo, 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 { cleanupLive } from './job-queue/handlers/video-live-ending'
+import { PeerTubeSocket } from './peertube-socket'
+import { isAbleToUploadVideo } from './user'
import { getHLSDirectory } from './video-paths'
+import { VideoTranscodingProfilesManager } from './video-transcoding-profiles'
-const NodeRtmpServer = require('node-media-server/node_rtmp_server')
+import memoizee = require('memoizee')
+const NodeRtmpSession = require('node-media-server/node_rtmp_session')
const context = require('node-media-server/node_core_ctx')
const nodeMediaServerLogger = require('node-media-server/node_core_logger')
}
}
-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 readonly hasClientSocketsInBadHealthWithCache = memoizee((sessionId: string) => {
+ return this.hasClientSocketsInBadHealth(sessionId)
+ }, { maxAge: MEMOIZE_TTL.LIVE_CHECK_SOCKET_HEALTH })
+
+ private rtmpServer: Server
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('/')
.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(() => {
this.stop()
}
})
+
+ // Cleanup broken lives, that were terminated by a server restart for example
+ this.handleBrokenLives()
+ .catch(err => logger.error('Cannot handle broken lives.', { err }))
+
+ 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()
+ this.rtmpServer = createServer(socket => {
+ const session = new NodeRtmpSession(config, socket)
+
+ session.run()
+ })
+
+ this.rtmpServer.on('error', err => {
+ logger.error('Cannot run RTMP server.', { err })
+ })
+
+ this.rtmpServer.listen(CONFIG.LIVE.RTMP.PORT)
}
stop () {
logger.info('Stopping RTMP server.')
- this.rtmpServer.stop()
+ this.rtmpServer.close()
this.rtmpServer = undefined
+
+ // Sessions is an object
+ this.getContext().sessions.forEach((session: any) => {
+ if (session instanceof NodeRtmpSession) {
+ session.stop()
+ }
+ })
+ }
+
+ 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())
+ }
+
+ cleanupShaSegments (videoUUID: string) {
+ this.segmentsSha256.delete(videoUUID)
+ }
+
+ addSegmentToReplay (hlsVideoPath: string, segmentPath: string) {
+ const segmentName = basename(segmentPath)
+ const dest = join(hlsVideoPath, VIDEO_LIVE.REPLAY_DIRECTORY, this.buildConcatenatedName(segmentName))
+
+ return readFile(segmentPath)
+ .then(data => appendFile(dest, data))
+ .catch(err => logger.error('Cannot copy segment %s to repay directory.', segmentPath, { err }))
+ }
+
+ buildConcatenatedName (segmentOrPlaylistPath: string) {
+ const num = basename(segmentOrPlaylistPath).match(/^(\d+)(-|\.)/)
+
+ return 'concat-' + num[1] + '.ts'
+ }
+
+ private processSegments (hlsVideoPath: string, videoUUID: string, videoLive: MVideoLive, segmentPaths: string[]) {
+ Bluebird.mapSeries(segmentPaths, async previousSegment => {
+ // Add sha hash of previous segments, because ffmpeg should have finished generating them
+ await this.addSegmentSha(videoUUID, previousSegment)
+
+ if (videoLive.saveReplay) {
+ await this.addSegmentToReplay(hlsVideoPath, previousSegment)
+ }
+ }).catch(err => logger.error('Cannot process segments in %s', hlsVideoPath, { err }))
+ }
+
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) {
}
const video = videoLive.Video
+ if (video.isBlacklisted()) {
+ logger.warn('Video is blacklisted. Refusing stream %s.', streamKey)
+ return this.abortSession(sessionId)
+ }
+
+ // Cleanup old potential live files (could happen with a permanent live)
+ this.cleanupShaSegments(video.uuid)
+
+ const oldStreamingPlaylist = await VideoStreamingPlaylistModel.loadHLSPlaylistByVideo(video.id)
+ if (oldStreamingPlaylist) {
+ await cleanupLive(video, oldStreamingPlaylist)
+ }
+
+ 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
+ playlist: Object.assign(videoStreamingPlaylist, { Video: video }),
+ rtmpUrl,
+ fps,
+ allResolutions
})
}
private async runMuxing (options: {
sessionId: string
videoLive: MVideoLiveVideo
- playlist: MStreamingPlaylist
- streamPath: string
- resolutionsEnabled: number[]
- originalResolution: number
+ playlist: MStreamingPlaylistVideo
+ 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]
- VideoFileModel.upsert({
+ const file = new VideoFileModel({
resolution,
size: -1,
extname: '.ts',
infoHash: null,
- fps: -1,
+ fps,
videoStreamingPlaylistId: playlist.id
- }).catch(err => {
- logger.error('Cannot create file for live streaming.', { err })
})
+
+ VideoFileModel.customUpsert(file, 'streaming-playlist', null)
+ .catch(err => logger.error('Cannot create file for live streaming.', { err }))
}
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 replayDirectory = join(outPath, VIDEO_LIVE.REPLAY_DIRECTORY)
- logger.info('Running live muxing/transcoding.')
+ if (videoLive.saveReplay === true) {
+ await ensureDir(replayDirectory)
+ }
+ const videoUUID = videoLive.Video.uuid
+
+ const ffmpegExec = CONFIG.LIVE.TRANSCODING.ENABLED
+ ? await getLiveTranscodingCommand({
+ rtmpUrl,
+ outPath,
+ resolutions: allResolutions,
+ fps,
+ availableEncoders: VideoTranscodingProfilesManager.Instance.getAvailableEncoders(),
+ profile: CONFIG.LIVE.TRANSCODING.PROFILE
+ })
+ : getLiveMuxingCommand(rtmpUrl, outPath)
+
+ logger.info('Running live muxing/transcoding for %s.', videoUUID)
this.transSessions.set(sessionId, ffmpegExec)
+ const tsWatcher = chokidar.watch(outPath + '/*.ts')
+
+ const segmentsToProcessPerPlaylist: { [playlistId: string]: string[] } = {}
+ const playlistIdMatcher = /^([\d+])-/
+
+ const addHandler = segmentPath => {
+ logger.debug('Live add handler of %s.', segmentPath)
+
+ const playlistId = basename(segmentPath).match(playlistIdMatcher)[0]
+
+ const segmentsToProcess = segmentsToProcessPerPlaylist[playlistId] || []
+ this.processSegments(outPath, videoUUID, videoLive, segmentsToProcess)
+
+ segmentsToProcessPerPlaylist[playlistId] = [ segmentPath ]
+
+ if (this.hasClientSocketsInBadHealthWithCache(sessionId)) {
+ logger.error(
+ 'Too much data in client socket stream (ffmpeg is too slow to transcode the video).' +
+ ' Stopping session of video %s.', videoUUID)
+
+ this.stopSessionOf(videoLive.videoId)
+ return
+ }
+
+ // Duration constraint check
+ if (this.isDurationConstraintValid(startStreamDateTime) !== true) {
+ logger.info('Stopping session of %s: max duration exceeded.', videoUUID)
+
+ this.stopSessionOf(videoLive.videoId)
+ return
+ }
+
+ // 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
+
+ setTimeout(() => {
+ federateVideoIfNeeded(video, false)
+ .catch(err => logger.error('Cannot federate live video %s.', video.url, { err }))
+
+ PeerTubeSocket.Instance.sendVideoLiveNewState(video)
+ }, VIDEO_LIVE.SEGMENT_TIME_SECONDS * 1000 * VIDEO_LIVE.EDGE_LIVE_DELAY_SEGMENTS_NOTIFICATION)
+
+ } catch (err) {
+ logger.error('Cannot save/federate live 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.transSessions.delete(sessionId)
+
+ this.watchersPerVideo.delete(videoLive.videoId)
+ this.videoSessions.delete(videoLive.videoId)
+
+ const newLivesPerUser = this.livesPerUser.get(user.id)
+ .filter(o => o.liveId !== videoLive.id)
+ this.livesPerUser.set(user.id, newLivesPerUser)
- this.onEndTransmuxing(videoLive.Video, playlist, streamPath, outPath)
- .catch(err => logger.error('Error in closed transmuxing.', { err }))
+ setTimeout(() => {
+ // Wait latest segments generation, and close watchers
+
+ Promise.all([ tsWatcher.close(), masterWatcher.close() ])
+ .then(() => {
+ // Process remaining segments hash
+ for (const key of Object.keys(segmentsToProcessPerPlaylist)) {
+ this.processSegments(outPath, videoUUID, videoLive, segmentsToProcessPerPlaylist[key])
+ }
+ })
+ .catch(err => logger.error('Cannot close watchers of %s or process remaining hash segments.', outPath, { err }))
+
+ this.onEndTransmuxing(videoLive.Video.id)
+ .catch(err => logger.error('Error in closed transmuxing.', { err }))
+ }, 1000)
}
ffmpegExec.on('error', (err, stdout, stderr) => {
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))
+ ffmpegExec.run()
}
- 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)
+ const live = await VideoLiveModel.loadByVideoId(videoId)
- 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)
+ if (!live.permanentLive) {
+ JobQueue.Instance.createJob({
+ type: 'video-live-ending',
+ payload: {
+ videoId: fullVideo.id
+ }
+ }, { delay: cleanupNow ? 0 : VIDEO_LIVE.CLEANUP_DELAY })
- remove(p)
- .catch(err => logger.error('Cannot remove %s.', p, { err }))
+ fullVideo.state = VideoState.LIVE_ENDED
+ } else {
+ fullVideo.state = VideoState.WAITING_FOR_LIVE
}
- }
- playlist.destroy()
- .catch(err => logger.error('Cannot remove live streaming playlist.', { err }))
+ await fullVideo.save()
+
+ 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 of video id %d.', videoId, { 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 < 0) return true
+
+ const now = new Date().getTime()
+ const max = streamingStartTime + maxDuration
+
+ return now <= max
+ }
+
+ private hasClientSocketsInBadHealth (sessionId: string) {
+ const rtmpSession = this.getContext().sessions.get(sessionId)
+
+ if (!rtmpSession) {
+ logger.warn('Cannot get session %s to check players socket health.', sessionId)
+ return
+ }
+
+ for (const playerSessionId of rtmpSession.players) {
+ const playerSession = this.getContext().sessions.get(playerSessionId)
+
+ if (!playerSession) {
+ logger.error('Cannot get player session %s to check socket health.', playerSession)
+ continue
+ }
+
+ if (playerSession.socket.writableLength > VIDEO_LIVE.MAX_SOCKET_WAITING_DATA) {
+ return true
+ }
+ }
+
+ return false
+ }
+
+ 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)
+
+ PeerTubeSocket.Instance.sendVideoViewsUpdate(video)
+
+ // 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)
+ }
+ }
+
+ private async handleBrokenLives () {
+ const videoIds = await VideoModel.listPublishedLiveIds()
+
+ for (const id of videoIds) {
+ await this.onEndTransmuxing(id, true)
+ }
+ }
+
static get Instance () {
return this.instance || (this.instance = new this())
}