+import * as Bluebird from 'bluebird'
import * as chokidar from 'chokidar'
import { FfmpegCommand } from 'fluent-ffmpeg'
-import { ensureDir, stat } from 'fs-extra'
-import { basename } from 'path'
+import { appendFile, ensureDir, readFile, stat } from 'fs-extra'
+import { createServer, Server } from 'net'
+import { basename, join } 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 { getLiveMuxingCommand, getLiveTranscodingCommand } from '@server/helpers/ffmpeg-utils'
+import { computeResolutionsToTranscode, getVideoFileFPS, getVideoFileResolution } from '@server/helpers/ffprobe-utils'
+import { logger, loggerTagsFactory } from '@server/helpers/logger'
import { CONFIG, registerConfigChangedHandler } from '@server/initializers/config'
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 { UserModel } from '@server/models/user/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, MUserId, MVideoLive, 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 { VideoTranscodingProfilesManager } from './transcoding/video-transcoding-profiles'
import { isAbleToUploadVideo } from './user'
import { getHLSDirectory } from './video-paths'
import memoizee = require('memoizee')
-const NodeRtmpServer = require('node-media-server/node_rtmp_server')
+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')
}
}
+const lTags = loggerTagsFactory('live')
+
class LiveManager {
private static instance: LiveManager
return isAbleToUploadVideo(userId, 1000)
}, { maxAge: MEMOIZE_TTL.LIVE_ABLE_TO_UPLOAD })
- 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 () {
const events = this.getContext().nodeEvent
events.on('postPublish', (sessionId: string, streamPath: string) => {
- logger.debug('RTMP received stream', { id: sessionId, streamPath })
+ logger.debug('RTMP received stream', { id: sessionId, streamPath, ...lTags(sessionId) })
const splittedPath = streamPath.split('/')
if (splittedPath.length !== 3 || splittedPath[1] !== VIDEO_LIVE.RTMP.BASE_PATH) {
- logger.warn('Live path is incorrect.', { streamPath })
+ logger.warn('Live path is incorrect.', { streamPath, ...lTags(sessionId) })
return this.abortSession(sessionId)
}
this.handleSession(sessionId, streamPath, splittedPath[2])
- .catch(err => logger.error('Cannot handle sessions.', { err }))
+ .catch(err => logger.error('Cannot handle sessions.', { err, ...lTags(sessionId) }))
})
events.on('donePublish', sessionId => {
- logger.info('Live session ended.', { sessionId })
+ logger.info('Live session ended.', { sessionId, ...lTags(sessionId) })
})
registerConfigChangedHandler(() => {
}
})
+ // Cleanup broken lives, that were terminated by a server restart for example
+ this.handleBrokenLives()
+ .catch(err => logger.error('Cannot handle broken lives.', { err, ...lTags() }))
+
setInterval(() => this.updateLiveViews(), VIEW_LIFETIME.LIVE)
}
run () {
- logger.info('Running RTMP server on port %d', config.rtmp.port)
+ logger.info('Running RTMP server on port %d', config.rtmp.port, lTags())
- 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, ...lTags() })
+ })
+
+ this.rtmpServer.listen(CONFIG.LIVE.RTMP.PORT)
}
stop () {
- logger.info('Stopping RTMP server.')
+ logger.info('Stopping RTMP server.', lTags())
- 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 () {
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 replay directory.', segmentPath, { err, ...lTags() }))
+ }
+
+ 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, ...lTags(videoUUID) }))
+ }
+
private getContext () {
return context
}
private async handleSession (sessionId: string, streamPath: string, streamKey: string) {
const videoLive = await VideoLiveModel.loadByStreamKey(streamKey)
if (!videoLive) {
- logger.warn('Unknown live video with stream key %s.', streamKey)
+ logger.warn('Unknown live video with stream key %s.', streamKey, lTags(sessionId))
return this.abortSession(sessionId)
}
const video = videoLive.Video
if (video.isBlacklisted()) {
- logger.warn('Video is blacklisted. Refusing stream %s.', streamKey)
+ logger.warn('Video is blacklisted. Refusing stream %s.', streamKey, lTags(sessionId, video.uuid))
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 allResolutions = resolutionsEnabled.concat([ session.videoHeight ])
- logger.info('Will mux/transcode live video of original resolution %d.', session.videoHeight, { allResolutions })
+ logger.info(
+ 'Will mux/transcode live video of original resolution %d.', session.videoHeight,
+ { allResolutions, ...lTags(sessionId, video.uuid) }
+ )
const [ videoStreamingPlaylist ] = await VideoStreamingPlaylistModel.upsert({
videoId: video.id,
return this.runMuxing({
sessionId,
videoLive,
- playlist: videoStreamingPlaylist,
+ playlist: Object.assign(videoStreamingPlaylist, { Video: video }),
rtmpUrl,
fps,
allResolutions
private async runMuxing (options: {
sessionId: string
videoLive: MVideoLiveVideo
- playlist: MStreamingPlaylist
+ playlist: MStreamingPlaylistVideo
rtmpUrl: string
fps: number
allResolutions: number[]
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,
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, ...lTags(sessionId, videoLive.Video.uuid) }))
}
const outPath = getHLSDirectory(videoLive.Video)
await ensureDir(outPath)
+ const replayDirectory = join(outPath, VIDEO_LIVE.REPLAY_DIRECTORY)
+
+ if (videoLive.saveReplay === true) {
+ await ensureDir(replayDirectory)
+ }
+
const videoUUID = videoLive.Video.uuid
- const deleteSegments = videoLive.saveReplay === false
const ffmpegExec = CONFIG.LIVE.TRANSCODING.ENABLED
- ? runLiveTranscoding(rtmpUrl, outPath, allResolutions, fps, deleteSegments)
- : runLiveMuxing(rtmpUrl, outPath, deleteSegments)
+ ? 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)
+ logger.info('Running live muxing/transcoding for %s.', videoUUID, lTags(sessionId, videoUUID))
this.transSessions.set(sessionId, ffmpegExec)
const tsWatcher = chokidar.watch(outPath + '/*.ts')
- let segmentsToProcess: string[] = []
+ const segmentsToProcessPerPlaylist: { [playlistId: string]: string[] } = {}
+ const playlistIdMatcher = /^([\d+])-/
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 }))
- }
+ logger.debug('Live add handler of %s.', segmentPath, lTags(sessionId, videoUUID))
- segmentsToProcess = [ 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,
+ lTags(sessionId, videoUUID)
+ )
+
+ this.stopSessionOf(videoLive.videoId)
+ return
+ }
// Duration constraint check
if (this.isDurationConstraintValid(startStreamDateTime) !== true) {
- logger.info('Stopping session of %s: max duration exceeded.', videoUUID)
+ logger.info('Stopping session of %s: max duration exceeded.', videoUUID, lTags(sessionId, videoUUID))
this.stopSessionOf(videoLive.videoId)
+ return
}
// Check user quota if the user enabled replay saving
.then(() => this.isQuotaConstraintValid(user, videoLive))
.then(quotaValid => {
if (quotaValid !== true) {
- logger.info('Stopping session of %s: user quota exceeded.', videoUUID)
+ logger.info('Stopping session of %s: user quota exceeded.', videoUUID, lTags(sessionId, videoUUID))
this.stopSessionOf(videoLive.videoId)
}
})
- .catch(err => logger.error('Cannot stat %s or check quota of %d.', segmentPath, user.id, { err }))
+ .catch(err => logger.error('Cannot stat %s or check quota of %d.', segmentPath, user.id, { err, ...lTags(sessionId, videoUUID) }))
}
}
setTimeout(() => {
federateVideoIfNeeded(video, false)
- .catch(err => logger.error('Cannot federate live video %s.', video.url, { err }))
+ .catch(err => logger.error('Cannot federate live video %s.', video.url, { err, ...lTags(sessionId, videoUUID) }))
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 })
+ logger.error('Cannot save/federate live video %d.', videoLive.videoId, { err, ...lTags(sessionId, videoUUID) })
} finally {
masterWatcher.close()
- .catch(err => logger.error('Cannot close master watcher of %s.', outPath, { err }))
+ .catch(err => logger.error('Cannot close master watcher of %s.', outPath, { err, ...lTags(sessionId, videoUUID) }))
}
})
const onFFmpegEnded = () => {
- logger.info('RTMP transmuxing for video %s ended. Scheduling cleanup', rtmpUrl)
+ logger.info('RTMP transmuxing for video %s ended. Scheduling cleanup', rtmpUrl, lTags(sessionId, videoUUID))
this.transSessions.delete(sessionId)
+
this.watchersPerVideo.delete(videoLive.videoId)
+ this.videoSessions.delete(videoLive.videoId)
- Promise.all([ tsWatcher.close(), masterWatcher.close() ])
- .catch(err => logger.error('Cannot close watchers of %s.', outPath, { err }))
+ const newLivesPerUser = this.livesPerUser.get(user.id)
+ .filter(o => o.liveId !== videoLive.id)
+ this.livesPerUser.set(user.id, newLivesPerUser)
- this.onEndTransmuxing(videoLive.Video.id)
- .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, ...lTags(sessionId, videoUUID) }
+ )
+ })
+
+ this.onEndTransmuxing(videoLive.Video.id)
+ .catch(err => logger.error('Error in closed transmuxing.', { err, ...lTags(sessionId, videoUUID) }))
+ }, 1000)
}
ffmpegExec.on('error', (err, stdout, stderr) => {
// Don't care that we killed the ffmpeg process
if (err?.message?.includes('Exiting normally')) return
- logger.error('Live transcoding error.', { err, stdout, stderr })
+ logger.error('Live transcoding error.', { err, stdout, stderr, ...lTags(sessionId, videoUUID) })
this.abortSession(sessionId)
})
ffmpegExec.on('end', () => onFFmpegEnded())
+
+ ffmpegExec.run()
}
- private async onEndTransmuxing (videoId: number, cleanupNow = false) {
+ private async onEndTransmuxing (videoUUID: string, cleanupNow = false) {
try {
- const fullVideo = await VideoModel.loadAndPopulateAccountAndServerAndTags(videoId)
+ const fullVideo = await VideoModel.loadAndPopulateAccountAndServerAndTags(videoUUID)
if (!fullVideo) return
- JobQueue.Instance.createJob({
- type: 'video-live-ending',
- payload: {
- videoId: fullVideo.id
- }
- }, { delay: cleanupNow ? 0 : VIDEO_LIVE.CLEANUP_DELAY })
+ const live = await VideoLiveModel.loadByVideoId(fullVideo.id)
+
+ if (!live.permanentLive) {
+ JobQueue.Instance.createJob({
+ type: 'video-live-ending',
+ payload: {
+ videoId: fullVideo.id
+ }
+ }, { delay: cleanupNow ? 0 : VIDEO_LIVE.CLEANUP_DELAY })
+
+ fullVideo.state = VideoState.LIVE_ENDED
+ } else {
+ fullVideo.state = VideoState.WAITING_FOR_LIVE
+ }
- fullVideo.state = VideoState.LIVE_ENDED
await fullVideo.save()
PeerTubeSocket.Instance.sendVideoLiveNewState(fullVideo)
await federateVideoIfNeeded(fullVideo, false)
} catch (err) {
- logger.error('Cannot save/federate new video state of live streaming.', { err })
+ logger.error('Cannot save/federate new video state of live streaming of video %d.', videoUUID, { err, ...lTags(videoUUID) })
}
}
private async addSegmentSha (videoUUID: string, segmentPath: string) {
const segmentName = basename(segmentPath)
- logger.debug('Adding live sha segment %s.', segmentPath)
+ logger.debug('Adding live sha segment %s.', segmentPath, lTags(videoUUID))
const shaResult = await buildSha256Segment(segmentPath)
private removeSegmentSha (videoUUID: string, segmentPath: string) {
const segmentName = basename(segmentPath)
- logger.debug('Removing live sha segment %s.', segmentPath)
+ logger.debug('Removing live sha segment %s.', segmentPath, lTags(videoUUID))
const filesMap = this.segmentsSha256.get(videoUUID)
if (!filesMap) {
- logger.warn('Unknown files map to remove sha for %s.', videoUUID)
+ logger.warn('Unknown files map to remove sha for %s.', videoUUID, lTags(videoUUID))
return
}
if (!filesMap.has(segmentName)) {
- logger.warn('Unknown segment in files map for video %s and segment %s.', videoUUID, segmentPath)
+ logger.warn('Unknown segment in files map for video %s and segment %s.', videoUUID, segmentPath, lTags(videoUUID))
return
}
private isDurationConstraintValid (streamingStartTime: number) {
const maxDuration = CONFIG.LIVE.MAX_DURATION
// No limit
- if (maxDuration === null) return true
+ 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, lTags(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, lTags(sessionId))
+ 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
private async updateLiveViews () {
if (!this.isRunning()) return
- if (!isTestInstance()) logger.info('Updating live video views.')
+ if (!isTestInstance()) logger.info('Updating live video views.', lTags())
for (const videoId of this.watchersPerVideo.keys()) {
const notBefore = new Date().getTime() - VIEW_LIFETIME.LIVE
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)
+ logger.debug('New live video views for %s is %d.', video.url, numWatchers, lTags())
+ }
+ }
+
+ private async handleBrokenLives () {
+ const videoUUIDs = await VideoModel.listPublishedLiveUUIDs()
+
+ for (const uuid of videoUUIDs) {
+ await this.onEndTransmuxing(uuid, true)
}
}