-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,
- getVideoFileFPS,
- getVideoFileResolution,
- 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, VIEW_LIFETIME, WEBSERVER } from '@server/initializers/constants'
}
}
-type SegmentSha256QueueParam = {
- operation: 'update' | 'delete'
- videoUUID: string
- segmentPath: string
-}
-
class LiveManager {
private static instance: LiveManager
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()
}
})
+ // 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)
}
? 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,
- originalResolution: session.videoHeight,
rtmpUrl,
fps,
- resolutionsEnabled
+ allResolutions
})
}
playlist: MStreamingPlaylist
rtmpUrl: string
fps: number
- resolutionsEnabled: number[]
- originalResolution: number
+ allResolutions: number[]
}) {
- const { sessionId, videoLive, playlist, resolutionsEnabled, originalResolution, fps, rtmpUrl } = 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)) {
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)
}
}
- 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 }))
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) => {
}
}
- 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
}
private async updateLiveViews () {
if (!this.isRunning()) return
- logger.info('Updating live video views.')
+ if (!isTestInstance()) logger.info('Updating live video views.')
for (const videoId of this.watchersPerVideo.keys()) {
const notBefore = new Date().getTime() - VIEW_LIFETIME.LIVE
}
}
+ 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())
}