438 lines
13 KiB
TypeScript
438 lines
13 KiB
TypeScript
|
|
import { createServer, Server } from 'net'
|
|
import { isTestInstance } from '@server/helpers/core-utils'
|
|
import {
|
|
computeResolutionsToTranscode,
|
|
ffprobePromise,
|
|
getVideoFileBitrate,
|
|
getVideoFileFPS,
|
|
getVideoFileResolution
|
|
} from '@server/helpers/ffprobe-utils'
|
|
import { logger, loggerTagsFactory } from '@server/helpers/logger'
|
|
import { CONFIG, registerConfigChangedHandler } from '@server/initializers/config'
|
|
import { P2P_MEDIA_LOADER_PEER_VERSION, VIDEO_LIVE, VIEW_LIFETIME } from '@server/initializers/constants'
|
|
import { UserModel } from '@server/models/user/user'
|
|
import { VideoModel } from '@server/models/video/video'
|
|
import { VideoLiveModel } from '@server/models/video/video-live'
|
|
import { VideoStreamingPlaylistModel } from '@server/models/video/video-streaming-playlist'
|
|
import { MStreamingPlaylistVideo, MVideo, MVideoLiveVideo } from '@server/types/models'
|
|
import { VideoState, VideoStreamingPlaylistType } from '@shared/models'
|
|
import { federateVideoIfNeeded } from '../activitypub/videos'
|
|
import { JobQueue } from '../job-queue'
|
|
import { PeerTubeSocket } from '../peertube-socket'
|
|
import { generateHLSMasterPlaylistFilename, generateHlsSha256SegmentsFilename } from '../video-paths'
|
|
import { LiveQuotaStore } from './live-quota-store'
|
|
import { LiveSegmentShaStore } from './live-segment-sha-store'
|
|
import { cleanupLive } from './live-utils'
|
|
import { MuxingSession } from './shared'
|
|
|
|
const NodeRtmpSession = require('node-media-server/src/node_rtmp_session')
|
|
const context = require('node-media-server/src/node_core_ctx')
|
|
const nodeMediaServerLogger = require('node-media-server/src/node_core_logger')
|
|
|
|
// Disable node media server logs
|
|
nodeMediaServerLogger.setLogType(0)
|
|
|
|
const config = {
|
|
rtmp: {
|
|
port: CONFIG.LIVE.RTMP.PORT,
|
|
chunk_size: VIDEO_LIVE.RTMP.CHUNK_SIZE,
|
|
gop_cache: VIDEO_LIVE.RTMP.GOP_CACHE,
|
|
ping: VIDEO_LIVE.RTMP.PING,
|
|
ping_timeout: VIDEO_LIVE.RTMP.PING_TIMEOUT
|
|
},
|
|
transcoding: {
|
|
ffmpeg: 'ffmpeg'
|
|
}
|
|
}
|
|
|
|
const lTags = loggerTagsFactory('live')
|
|
|
|
class LiveManager {
|
|
|
|
private static instance: LiveManager
|
|
|
|
private readonly muxingSessions = new Map<string, MuxingSession>()
|
|
private readonly videoSessions = new Map<number, string>()
|
|
// Values are Date().getTime()
|
|
private readonly watchersPerVideo = new Map<number, number[]>()
|
|
|
|
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, ...lTags(sessionId) })
|
|
|
|
const splittedPath = streamPath.split('/')
|
|
if (splittedPath.length !== 3 || splittedPath[1] !== VIDEO_LIVE.RTMP.BASE_PATH) {
|
|
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, ...lTags(sessionId) }))
|
|
})
|
|
|
|
events.on('donePublish', sessionId => {
|
|
logger.info('Live session ended.', { sessionId, ...lTags(sessionId) })
|
|
})
|
|
|
|
registerConfigChangedHandler(() => {
|
|
if (!this.rtmpServer && CONFIG.LIVE.ENABLED === true) {
|
|
this.run()
|
|
return
|
|
}
|
|
|
|
if (this.rtmpServer && CONFIG.LIVE.ENABLED === false) {
|
|
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, ...lTags() }))
|
|
|
|
setInterval(() => this.updateLiveViews(), VIEW_LIFETIME.LIVE)
|
|
}
|
|
|
|
run () {
|
|
logger.info('Running RTMP server on port %d', config.rtmp.port, lTags())
|
|
|
|
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.', lTags())
|
|
|
|
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
|
|
}
|
|
|
|
stopSessionOf (videoId: number) {
|
|
const sessionId = this.videoSessions.get(videoId)
|
|
if (!sessionId) return
|
|
|
|
this.videoSessions.delete(videoId)
|
|
this.abortSession(sessionId)
|
|
}
|
|
|
|
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 (sessionId: string) {
|
|
const session = this.getContext().sessions.get(sessionId)
|
|
if (session) {
|
|
session.stop()
|
|
this.getContext().sessions.delete(sessionId)
|
|
}
|
|
|
|
const muxingSession = this.muxingSessions.get(sessionId)
|
|
if (muxingSession) {
|
|
// Muxing session will fire and event so we correctly cleanup the session
|
|
muxingSession.abort()
|
|
|
|
this.muxingSessions.delete(sessionId)
|
|
}
|
|
}
|
|
|
|
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, lTags(sessionId))
|
|
return this.abortSession(sessionId)
|
|
}
|
|
|
|
const video = videoLive.Video
|
|
if (video.isBlacklisted()) {
|
|
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)
|
|
LiveSegmentShaStore.Instance.cleanupShaSegments(video.uuid)
|
|
|
|
const oldStreamingPlaylist = await VideoStreamingPlaylistModel.loadHLSPlaylistByVideo(video.id)
|
|
if (oldStreamingPlaylist) {
|
|
await cleanupLive(video, oldStreamingPlaylist)
|
|
}
|
|
|
|
this.videoSessions.set(video.id, sessionId)
|
|
|
|
const rtmpUrl = 'rtmp://127.0.0.1:' + config.rtmp.port + streamPath
|
|
|
|
const now = Date.now()
|
|
const probe = await ffprobePromise(rtmpUrl)
|
|
|
|
const [ { videoFileResolution }, fps, bitrate ] = await Promise.all([
|
|
getVideoFileResolution(rtmpUrl, probe),
|
|
getVideoFileFPS(rtmpUrl, probe),
|
|
getVideoFileBitrate(rtmpUrl, probe)
|
|
])
|
|
|
|
logger.info(
|
|
'%s probing took %d ms (bitrate: %d, fps: %d, resolution: %d)',
|
|
rtmpUrl, Date.now() - now, bitrate, fps, videoFileResolution, lTags(sessionId, video.uuid)
|
|
)
|
|
|
|
const allResolutions = this.buildAllResolutionsToTranscode(videoFileResolution)
|
|
|
|
logger.info(
|
|
'Will mux/transcode live video of original resolution %d.', videoFileResolution,
|
|
{ allResolutions, ...lTags(sessionId, video.uuid) }
|
|
)
|
|
|
|
const streamingPlaylist = await this.createLivePlaylist(video, allResolutions)
|
|
|
|
return this.runMuxingSession({
|
|
sessionId,
|
|
videoLive,
|
|
streamingPlaylist,
|
|
rtmpUrl,
|
|
fps,
|
|
bitrate,
|
|
allResolutions
|
|
})
|
|
}
|
|
|
|
private async runMuxingSession (options: {
|
|
sessionId: string
|
|
videoLive: MVideoLiveVideo
|
|
streamingPlaylist: MStreamingPlaylistVideo
|
|
rtmpUrl: string
|
|
fps: number
|
|
bitrate: number
|
|
allResolutions: number[]
|
|
}) {
|
|
const { sessionId, videoLive, streamingPlaylist, allResolutions, fps, bitrate, rtmpUrl } = options
|
|
const videoUUID = videoLive.Video.uuid
|
|
const localLTags = lTags(sessionId, videoUUID)
|
|
|
|
const user = await UserModel.loadByLiveId(videoLive.id)
|
|
LiveQuotaStore.Instance.addNewLive(user.id, videoLive.id)
|
|
|
|
const muxingSession = new MuxingSession({
|
|
context: this.getContext(),
|
|
user,
|
|
sessionId,
|
|
videoLive,
|
|
streamingPlaylist,
|
|
rtmpUrl,
|
|
bitrate,
|
|
fps,
|
|
allResolutions
|
|
})
|
|
|
|
muxingSession.on('master-playlist-created', () => this.publishAndFederateLive(videoLive, localLTags))
|
|
|
|
muxingSession.on('bad-socket-health', ({ videoId }) => {
|
|
logger.error(
|
|
'Too much data in client socket stream (ffmpeg is too slow to transcode the video).' +
|
|
' Stopping session of video %s.', videoUUID,
|
|
localLTags
|
|
)
|
|
|
|
this.stopSessionOf(videoId)
|
|
})
|
|
|
|
muxingSession.on('duration-exceeded', ({ videoId }) => {
|
|
logger.info('Stopping session of %s: max duration exceeded.', videoUUID, localLTags)
|
|
|
|
this.stopSessionOf(videoId)
|
|
})
|
|
|
|
muxingSession.on('quota-exceeded', ({ videoId }) => {
|
|
logger.info('Stopping session of %s: user quota exceeded.', videoUUID, localLTags)
|
|
|
|
this.stopSessionOf(videoId)
|
|
})
|
|
|
|
muxingSession.on('ffmpeg-error', ({ sessionId }) => this.abortSession(sessionId))
|
|
muxingSession.on('ffmpeg-end', ({ videoId }) => {
|
|
this.onMuxingFFmpegEnd(videoId)
|
|
})
|
|
|
|
muxingSession.on('after-cleanup', ({ videoId }) => {
|
|
this.muxingSessions.delete(sessionId)
|
|
|
|
muxingSession.destroy()
|
|
|
|
return this.onAfterMuxingCleanup(videoId)
|
|
.catch(err => logger.error('Error in end transmuxing.', { err, ...localLTags }))
|
|
})
|
|
|
|
this.muxingSessions.set(sessionId, muxingSession)
|
|
|
|
muxingSession.runMuxing()
|
|
.catch(err => {
|
|
logger.error('Cannot run muxing.', { err, ...localLTags })
|
|
this.abortSession(sessionId)
|
|
})
|
|
}
|
|
|
|
private async publishAndFederateLive (live: MVideoLiveVideo, localLTags: { tags: string[] }) {
|
|
const videoId = live.videoId
|
|
|
|
try {
|
|
const video = await VideoModel.loadAndPopulateAccountAndServerAndTags(videoId)
|
|
|
|
logger.info('Will publish and federate live %s.', video.url, localLTags)
|
|
|
|
video.state = VideoState.PUBLISHED
|
|
await video.save()
|
|
|
|
live.Video = video
|
|
|
|
setTimeout(() => {
|
|
federateVideoIfNeeded(video, false)
|
|
.catch(err => logger.error('Cannot federate live video %s.', video.url, { err, ...localLTags }))
|
|
|
|
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.', videoId, { err, ...localLTags })
|
|
}
|
|
}
|
|
|
|
private onMuxingFFmpegEnd (videoId: number) {
|
|
this.watchersPerVideo.delete(videoId)
|
|
this.videoSessions.delete(videoId)
|
|
}
|
|
|
|
private async onAfterMuxingCleanup (videoUUID: string, cleanupNow = false) {
|
|
try {
|
|
const fullVideo = await VideoModel.loadAndPopulateAccountAndServerAndTags(videoUUID)
|
|
if (!fullVideo) return
|
|
|
|
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
|
|
}
|
|
|
|
await fullVideo.save()
|
|
|
|
PeerTubeSocket.Instance.sendVideoLiveNewState(fullVideo)
|
|
|
|
await federateVideoIfNeeded(fullVideo, false)
|
|
} catch (err) {
|
|
logger.error('Cannot save/federate new video state of live streaming of video %d.', videoUUID, { err, ...lTags(videoUUID) })
|
|
}
|
|
}
|
|
|
|
private async updateLiveViews () {
|
|
if (!this.isRunning()) return
|
|
|
|
if (!isTestInstance()) logger.info('Updating live video views.', lTags())
|
|
|
|
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, lTags())
|
|
}
|
|
}
|
|
|
|
private async handleBrokenLives () {
|
|
const videoUUIDs = await VideoModel.listPublishedLiveUUIDs()
|
|
|
|
for (const uuid of videoUUIDs) {
|
|
await this.onAfterMuxingCleanup(uuid, true)
|
|
}
|
|
}
|
|
|
|
private buildAllResolutionsToTranscode (originResolution: number) {
|
|
const resolutionsEnabled = CONFIG.LIVE.TRANSCODING.ENABLED
|
|
? computeResolutionsToTranscode(originResolution, 'live')
|
|
: []
|
|
|
|
return resolutionsEnabled.concat([ originResolution ])
|
|
}
|
|
|
|
private async createLivePlaylist (video: MVideo, allResolutions: number[]): Promise<MStreamingPlaylistVideo> {
|
|
const playlist = await VideoStreamingPlaylistModel.loadOrGenerate(video)
|
|
|
|
playlist.playlistFilename = generateHLSMasterPlaylistFilename(true)
|
|
playlist.segmentsSha256Filename = generateHlsSha256SegmentsFilename(true)
|
|
|
|
playlist.p2pMediaLoaderPeerVersion = P2P_MEDIA_LOADER_PEER_VERSION
|
|
playlist.type = VideoStreamingPlaylistType.HLS
|
|
|
|
playlist.assignP2PMediaLoaderInfoHashes(video, allResolutions)
|
|
|
|
return playlist.save()
|
|
}
|
|
|
|
static get Instance () {
|
|
return this.instance || (this.instance = new this())
|
|
}
|
|
}
|
|
|
|
// ---------------------------------------------------------------------------
|
|
|
|
export {
|
|
LiveManager
|
|
}
|