-import { AsyncQueue, queue } from 'async'
import * as chokidar from 'chokidar'
import { FfmpegCommand } from 'fluent-ffmpeg'
import { ensureDir, stat } from 'fs-extra'
import { basename } from 'path'
-import { computeResolutionsToTranscode, runLiveMuxing, runLiveTranscoding } from '@server/helpers/ffmpeg-utils'
+import { isTestInstance } from '@server/helpers/core-utils'
+import { runLiveMuxing, runLiveTranscoding } 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 { MEMOIZE_TTL, 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'
}
}
-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 }[]>()
return isAbleToUploadVideo(userId, 1000)
}, { maxAge: MEMOIZE_TTL.LIVE_ABLE_TO_UPLOAD })
- private segmentsSha256Queue: AsyncQueue<SegmentSha256QueueParam>
private rtmpServer: any
private constructor () {
logger.info('Live session ended.', { 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()
- })
- })
-
registerConfigChangedHandler(() => {
if (!this.rtmpServer && CONFIG.LIVE.ENABLED === true) {
this.run()
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 = undefined
}
+ isRunning () {
+ return !!this.rtmpServer
+ }
+
getSegmentsSha256 (videoUUID: string) {
return this.segmentsSha256.get(videoUUID)
}
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)
- this.onEndTransmuxing(videoId, true)
- .catch(err => logger.error('Cannot end transmuxing of video %d.', videoId, { err }))
+ if (!watchers) {
+ watchers = []
+ this.watchersPerVideo.set(videoId, watchers)
+ }
+
+ watchers.push(new Date().getTime())
}
private getContext () {
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
sessionId,
videoLive,
playlist: videoStreamingPlaylist,
- streamPath,
- originalResolution: session.videoHeight,
- resolutionsEnabled
+ rtmpUrl,
+ fps,
+ allResolutions
})
}
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 { sessionId, videoLive, playlist, allResolutions, fps, rtmpUrl } = options
const startStreamDateTime = new Date().getTime()
- const allResolutions = resolutionsEnabled.concat([ originalResolution ])
const user = await UserModel.loadByLiveId(videoLive.id)
if (!this.livesPerUser.has(user.id)) {
size: -1,
extname: '.ts',
infoHash: null,
- fps: -1,
+ fps,
videoStreamingPlaylistId: playlist.id
}).catch(err => {
logger.error('Cannot create file for live streaming.', { err })
const outPath = getHLSDirectory(videoLive.Video)
await ensureDir(outPath)
+ const videoUUID = videoLive.Video.uuid
const deleteSegments = videoLive.saveReplay === false
- const rtmpUrl = 'rtmp://127.0.0.1:' + config.rtmp.port + streamPath
const ffmpegExec = CONFIG.LIVE.TRANSCODING.ENABLED
- ? runLiveTranscoding(rtmpUrl, outPath, allResolutions, deleteSegments)
+ ? runLiveTranscoding(rtmpUrl, outPath, allResolutions, fps, deleteSegments)
: runLiveMuxing(rtmpUrl, outPath, deleteSegments)
- logger.info('Running live muxing/transcoding.')
+ logger.info('Running live muxing/transcoding for %s.', videoUUID)
this.transSessions.set(sessionId, ffmpegExec)
- const videoUUID = videoLive.Video.uuid
const tsWatcher = chokidar.watch(outPath + '/*.ts')
- const updateSegment = segmentPath => this.segmentsSha256Queue.push({ operation: 'update', segmentPath, videoUUID })
+ const segmentsToProcessPerPlaylist: { [playlistId: string]: string[] } = {}
+ const playlistIdMatcher = /^([\d+])-/
+
+ const processHashSegments = (segmentsToProcess: string[]) => {
+ // 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 }))
+ }
+ }
const addHandler = segmentPath => {
- updateSegment(segmentPath)
+ logger.debug('Live add handler of %s.', segmentPath)
+ const playlistId = basename(segmentPath).match(playlistIdMatcher)[0]
+
+ const segmentsToProcess = segmentsToProcessPerPlaylist[playlistId] || []
+ processHashSegments(segmentsToProcess)
+
+ segmentsToProcessPerPlaylist[playlistId] = [ 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 => {
.then(() => this.isQuotaConstraintValid(user, videoLive))
.then(quotaValid => {
if (quotaValid !== true) {
+ logger.info('Stopping session of %s: user quota exceeded.', videoUUID)
+
this.stopSessionOf(videoLive.videoId)
}
})
}
}
- const deleteHandler = segmentPath => this.segmentsSha256Queue.push({ operation: 'delete', segmentPath, videoUUID })
+ const deleteHandler = segmentPath => this.removeSegmentSha(videoUUID, segmentPath)
tsWatcher.on('add', p => addHandler(p))
- tsWatcher.on('change', p => updateSegment(p))
tsWatcher.on('unlink', p => deleteHandler(p))
const masterWatcher = chokidar.watch(outPath + '/master.m3u8')
await video.save()
videoLive.Video = video
- await federateVideoIfNeeded(video, false)
+ 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)
- PeerTubeSocket.Instance.sendVideoLiveNewState(video)
} catch (err) {
- logger.error('Cannot federate video %d.', videoLive.videoId, { 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 = () => {
- logger.info('RTMP transmuxing for video %s ended. Scheduling cleanup', streamPath)
+ logger.info('RTMP transmuxing for video %s ended. Scheduling cleanup', rtmpUrl)
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 }))
+ 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)) {
+ processHashSegments(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 }))
+ 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('SIGINT')) return
+ if (err?.message?.includes('Exiting normally')) return
logger.error('Live transcoding error.', { err, stdout, stderr })
+
+ this.abortSession(sessionId)
})
ffmpegExec.on('end', () => onFFmpegEnded())
}
- getLiveQuotaUsedByUser (userId: number) {
- const currentLives = this.livesPerUser.get(userId)
- if (!currentLives) return 0
-
- return currentLives.reduce((sum, obj) => sum + obj.size, 0)
- }
-
private async onEndTransmuxing (videoId: number, cleanupNow = false) {
try {
const fullVideo = await VideoModel.loadAndPopulateAccountAndServerAndTags(videoId)
}
}, { delay: cleanupNow ? 0 : VIDEO_LIVE.CLEANUP_DELAY })
- // FIXME: use end
- fullVideo.state = VideoState.WAITING_FOR_LIVE
+ fullVideo.state = VideoState.LIVE_ENDED
await fullVideo.save()
PeerTubeSocket.Instance.sendVideoLiveNewState(fullVideo)
}
}
- 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
}
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)
+ }
+ }
+
+ 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())
}
projects / github / Chocobozzz / PeerTube.git / blobdiff