-
import { mapSeries } from 'bluebird'
import { FSWatcher, watch } from 'chokidar'
-import { FfmpegCommand } from 'fluent-ffmpeg'
+import { EventEmitter } from 'events'
import { appendFile, ensureDir, readFile, stat } from 'fs-extra'
+import PQueue from 'p-queue'
import { basename, join } from 'path'
-import { EventEmitter } from 'stream'
-import { getLiveMuxingCommand, getLiveTranscodingCommand } from '@server/helpers/ffmpeg'
+import { computeOutputFPS } from '@server/helpers/ffmpeg'
import { logger, loggerTagsFactory, LoggerTagsFn } from '@server/helpers/logger'
import { CONFIG } from '@server/initializers/config'
-import { MEMOIZE_TTL, VIDEO_LIVE } from '@server/initializers/constants'
+import { MEMOIZE_TTL, P2P_MEDIA_LOADER_PEER_VERSION, VIDEO_LIVE } from '@server/initializers/constants'
+import { removeHLSFileObjectStorageByPath, storeHLSFileFromFilename, storeHLSFileFromPath } from '@server/lib/object-storage'
import { VideoFileModel } from '@server/models/video/video-file'
+import { VideoStreamingPlaylistModel } from '@server/models/video/video-streaming-playlist'
import { MStreamingPlaylistVideo, MUserId, MVideoLiveVideo } from '@server/types/models'
-import { getLiveDirectory } from '../../paths'
-import { VideoTranscodingProfilesManager } from '../../transcoding/default-transcoding-profiles'
+import { VideoStorage, VideoStreamingPlaylistType } from '@shared/models'
+import {
+ generateHLSMasterPlaylistFilename,
+ generateHlsSha256SegmentsFilename,
+ getLiveDirectory,
+ getLiveReplayBaseDirectory
+} from '../../paths'
import { isAbleToUploadVideo } from '../../user'
import { LiveQuotaStore } from '../live-quota-store'
import { LiveSegmentShaStore } from '../live-segment-sha-store'
-import { buildConcatenatedName } from '../live-utils'
+import { buildConcatenatedName, getLiveSegmentTime } from '../live-utils'
+import { AbstractTranscodingWrapper, FFmpegTranscodingWrapper, RemoteTranscodingWrapper } from './transcoding-wrapper'
import memoizee = require('memoizee')
-
interface MuxingSessionEvents {
- 'master-playlist-created': ({ videoId: number }) => void
+ 'live-ready': (options: { videoUUID: string }) => void
- 'bad-socket-health': ({ videoId: number }) => void
- 'duration-exceeded': ({ videoId: number }) => void
- 'quota-exceeded': ({ videoId: number }) => void
+ 'bad-socket-health': (options: { videoUUID: string }) => void
+ 'duration-exceeded': (options: { videoUUID: string }) => void
+ 'quota-exceeded': (options: { videoUUID: string }) => void
- 'ffmpeg-end': ({ videoId: number }) => void
- 'ffmpeg-error': ({ sessionId: string }) => void
+ 'transcoding-end': (options: { videoUUID: string }) => void
+ 'transcoding-error': (options: { videoUUID: string }) => void
- 'after-cleanup': ({ videoId: number }) => void
+ 'after-cleanup': (options: { videoUUID: string }) => void
}
declare interface MuxingSession {
class MuxingSession extends EventEmitter {
- private ffmpegCommand: FfmpegCommand
+ private transcodingWrapper: AbstractTranscodingWrapper
private readonly context: any
private readonly user: MUserId
private readonly sessionId: string
private readonly videoLive: MVideoLiveVideo
- private readonly streamingPlaylist: MStreamingPlaylistVideo
private readonly inputUrl: string
private readonly fps: number
private readonly allResolutions: number[]
private readonly bitrate: number
private readonly ratio: number
- private readonly videoId: number
+ private readonly hasAudio: boolean
+
private readonly videoUUID: string
private readonly saveReplay: boolean
+ private readonly outDirectory: string
+ private readonly replayDirectory: string
+
private readonly lTags: LoggerTagsFn
private segmentsToProcessPerPlaylist: { [playlistId: string]: string[] } = {}
+ private streamingPlaylist: MStreamingPlaylistVideo
+ private liveSegmentShaStore: LiveSegmentShaStore
+
private tsWatcher: FSWatcher
private masterWatcher: FSWatcher
+ private m3u8Watcher: FSWatcher
+
+ private masterPlaylistCreated = false
+ private liveReady = false
+
+ private aborted = false
private readonly isAbleToUploadVideoWithCache = memoizee((userId: number) => {
return isAbleToUploadVideo(userId, 1000)
user: MUserId
sessionId: string
videoLive: MVideoLiveVideo
- streamingPlaylist: MStreamingPlaylistVideo
inputUrl: string
fps: number
bitrate: number
ratio: number
allResolutions: number[]
+ hasAudio: boolean
}) {
super()
this.user = options.user
this.sessionId = options.sessionId
this.videoLive = options.videoLive
- this.streamingPlaylist = options.streamingPlaylist
this.inputUrl = options.inputUrl
this.fps = options.fps
this.bitrate = options.bitrate
this.ratio = options.ratio
+ this.hasAudio = options.hasAudio
+
this.allResolutions = options.allResolutions
- this.videoId = this.videoLive.Video.id
this.videoUUID = this.videoLive.Video.uuid
this.saveReplay = this.videoLive.saveReplay
+ this.outDirectory = getLiveDirectory(this.videoLive.Video)
+ this.replayDirectory = join(getLiveReplayBaseDirectory(this.videoLive.Video), new Date().toISOString())
+
this.lTags = loggerTagsFactory('live', this.sessionId, this.videoUUID)
}
async runMuxing () {
- this.createFiles()
-
- const outPath = await this.prepareDirectories()
+ this.streamingPlaylist = await this.createLivePlaylist()
- this.ffmpegCommand = CONFIG.LIVE.TRANSCODING.ENABLED
- ? await getLiveTranscodingCommand({
- inputUrl: this.inputUrl,
-
- outPath,
- masterPlaylistName: this.streamingPlaylist.playlistFilename,
-
- resolutions: this.allResolutions,
- fps: this.fps,
- bitrate: this.bitrate,
- ratio: this.ratio,
-
- availableEncoders: VideoTranscodingProfilesManager.Instance.getAvailableEncoders(),
- profile: CONFIG.LIVE.TRANSCODING.PROFILE
- })
- : getLiveMuxingCommand(this.inputUrl, outPath, this.streamingPlaylist.playlistFilename)
-
- logger.info('Running live muxing/transcoding for %s.', this.videoUUID, this.lTags())
-
- this.watchTSFiles(outPath)
- this.watchMasterFile(outPath)
+ this.createLiveShaStore()
+ this.createFiles()
- let ffmpegShellCommand: string
- this.ffmpegCommand.on('start', cmdline => {
- ffmpegShellCommand = cmdline
+ await this.prepareDirectories()
- logger.debug('Running ffmpeg command for live', { ffmpegShellCommand, ...this.lTags() })
- })
+ this.transcodingWrapper = this.buildTranscodingWrapper()
- this.ffmpegCommand.on('error', (err, stdout, stderr) => {
- this.onFFmpegError({ err, stdout, stderr, outPath, ffmpegShellCommand })
- })
+ this.transcodingWrapper.on('end', () => this.onTranscodedEnded())
+ this.transcodingWrapper.on('error', () => this.onTranscodingError())
- this.ffmpegCommand.on('end', () => this.onFFmpegEnded(outPath))
+ await this.transcodingWrapper.run()
- this.ffmpegCommand.run()
+ this.watchMasterFile()
+ this.watchTSFiles()
+ this.watchM3U8File()
}
abort () {
- if (!this.ffmpegCommand) return
+ if (!this.transcodingWrapper) return
- this.ffmpegCommand.kill('SIGINT')
+ this.aborted = true
+ this.transcodingWrapper.abort()
}
destroy () {
this.hasClientSocketInBadHealthWithCache.clear()
}
- private onFFmpegError (options: {
- err: any
- stdout: string
- stderr: string
- outPath: string
- ffmpegShellCommand: string
- }) {
- const { err, stdout, stderr, outPath, ffmpegShellCommand } = options
+ private watchMasterFile () {
+ this.masterWatcher = watch(this.outDirectory + '/' + this.streamingPlaylist.playlistFilename)
- this.onFFmpegEnded(outPath)
+ this.masterWatcher.on('add', async () => {
+ try {
+ if (this.streamingPlaylist.storage === VideoStorage.OBJECT_STORAGE) {
+ const url = await storeHLSFileFromFilename(this.streamingPlaylist, this.streamingPlaylist.playlistFilename)
- // Don't care that we killed the ffmpeg process
- if (err?.message?.includes('Exiting normally')) return
+ this.streamingPlaylist.playlistUrl = url
+ }
- logger.error('Live transcoding error.', { err, stdout, stderr, ffmpegShellCommand, ...this.lTags() })
+ this.streamingPlaylist.assignP2PMediaLoaderInfoHashes(this.videoLive.Video, this.allResolutions)
- this.emit('ffmpeg-error', ({ sessionId: this.sessionId }))
- }
+ await this.streamingPlaylist.save()
+ } catch (err) {
+ logger.error('Cannot update streaming playlist.', { err, ...this.lTags() })
+ }
- private onFFmpegEnded (outPath: string) {
- logger.info('RTMP transmuxing for video %s ended. Scheduling cleanup', this.inputUrl, this.lTags())
+ this.masterPlaylistCreated = true
- setTimeout(() => {
- // Wait latest segments generation, and close watchers
+ logger.info('Master playlist file for %s has been created', this.videoUUID, this.lTags())
- Promise.all([ this.tsWatcher.close(), this.masterWatcher.close() ])
- .then(() => {
- // Process remaining segments hash
- for (const key of Object.keys(this.segmentsToProcessPerPlaylist)) {
- this.processSegments(outPath, this.segmentsToProcessPerPlaylist[key])
- }
- })
- .catch(err => {
- logger.error(
- 'Cannot close watchers of %s or process remaining hash segments.', outPath,
- { err, ...this.lTags() }
- )
- })
-
- this.emit('after-cleanup', { videoId: this.videoId })
- }, 1000)
+ this.masterWatcher.close()
+ .catch(err => logger.error('Cannot close master watcher of %s.', this.outDirectory, { err, ...this.lTags() }))
+ })
}
- private watchMasterFile (outPath: string) {
- this.masterWatcher = watch(outPath + '/' + this.streamingPlaylist.playlistFilename)
+ private watchM3U8File () {
+ this.m3u8Watcher = watch(this.outDirectory + '/*.m3u8')
- this.masterWatcher.on('add', () => {
- this.emit('master-playlist-created', { videoId: this.videoId })
+ const sendQueues = new Map<string, PQueue>()
- this.masterWatcher.close()
- .catch(err => logger.error('Cannot close master watcher of %s.', outPath, { err, ...this.lTags() }))
- })
+ const onChangeOrAdd = async (m3u8Path: string) => {
+ if (this.streamingPlaylist.storage !== VideoStorage.OBJECT_STORAGE) return
+
+ try {
+ if (!sendQueues.has(m3u8Path)) {
+ sendQueues.set(m3u8Path, new PQueue({ concurrency: 1 }))
+ }
+
+ const queue = sendQueues.get(m3u8Path)
+ await queue.add(() => storeHLSFileFromPath(this.streamingPlaylist, m3u8Path))
+ } catch (err) {
+ logger.error('Cannot store in object storage m3u8 file %s', m3u8Path, { err, ...this.lTags() })
+ }
+ }
+
+ this.m3u8Watcher.on('change', onChangeOrAdd)
}
- private watchTSFiles (outPath: string) {
+ private watchTSFiles () {
const startStreamDateTime = new Date().getTime()
- this.tsWatcher = watch(outPath + '/*.ts')
+ this.tsWatcher = watch(this.outDirectory + '/*.ts')
const playlistIdMatcher = /^([\d+])-/
const playlistId = basename(segmentPath).match(playlistIdMatcher)[0]
const segmentsToProcess = this.segmentsToProcessPerPlaylist[playlistId] || []
- this.processSegments(outPath, segmentsToProcess)
+ this.processSegments(segmentsToProcess)
this.segmentsToProcessPerPlaylist[playlistId] = [ segmentPath ]
if (this.hasClientSocketInBadHealthWithCache(this.sessionId)) {
- this.emit('bad-socket-health', { videoId: this.videoId })
+ this.emit('bad-socket-health', { videoUUID: this.videoUUID })
return
}
// Duration constraint check
if (this.isDurationConstraintValid(startStreamDateTime) !== true) {
- this.emit('duration-exceeded', { videoId: this.videoId })
+ this.emit('duration-exceeded', { videoUUID: this.videoUUID })
return
}
// Check user quota if the user enabled replay saving
if (await this.isQuotaExceeded(segmentPath) === true) {
- this.emit('quota-exceeded', { videoId: this.videoId })
+ this.emit('quota-exceeded', { videoUUID: this.videoUUID })
}
}
- const deleteHandler = segmentPath => LiveSegmentShaStore.Instance.removeSegmentSha(this.videoUUID, segmentPath)
+ const deleteHandler = async (segmentPath: string) => {
+ try {
+ await this.liveSegmentShaStore.removeSegmentSha(segmentPath)
+ } catch (err) {
+ logger.warn('Cannot remove segment sha %s from sha store', segmentPath, { err, ...this.lTags() })
+ }
+
+ if (this.streamingPlaylist.storage === VideoStorage.OBJECT_STORAGE) {
+ try {
+ await removeHLSFileObjectStorageByPath(this.streamingPlaylist, segmentPath)
+ } catch (err) {
+ logger.error('Cannot remove segment %s from object storage', segmentPath, { err, ...this.lTags() })
+ }
+ }
+ }
this.tsWatcher.on('add', p => addHandler(p))
this.tsWatcher.on('unlink', p => deleteHandler(p))
private async isQuotaExceeded (segmentPath: string) {
if (this.saveReplay !== true) return false
+ if (this.aborted) return false
try {
const segmentStat = await stat(segmentPath)
extname: '.ts',
infoHash: null,
fps: this.fps,
+ storage: this.streamingPlaylist.storage,
videoStreamingPlaylistId: this.streamingPlaylist.id
})
}
private async prepareDirectories () {
- const outPath = getLiveDirectory(this.videoLive.Video)
- await ensureDir(outPath)
-
- const replayDirectory = join(outPath, VIDEO_LIVE.REPLAY_DIRECTORY)
+ await ensureDir(this.outDirectory)
if (this.videoLive.saveReplay === true) {
- await ensureDir(replayDirectory)
+ await ensureDir(this.replayDirectory)
}
-
- return outPath
}
private isDurationConstraintValid (streamingStartTime: number) {
return now <= max
}
- private processSegments (hlsVideoPath: string, segmentPaths: string[]) {
- mapSeries(segmentPaths, async previousSegment => {
- // Add sha hash of previous segments, because ffmpeg should have finished generating them
- await LiveSegmentShaStore.Instance.addSegmentSha(this.videoUUID, previousSegment)
+ private processSegments (segmentPaths: string[]) {
+ mapSeries(segmentPaths, previousSegment => this.processSegment(previousSegment))
+ .catch(err => {
+ if (this.aborted) return
+
+ logger.error('Cannot process segments', { err, ...this.lTags() })
+ })
+ }
+
+ private async processSegment (segmentPath: string) {
+ // Add sha hash of previous segments, because ffmpeg should have finished generating them
+ await this.liveSegmentShaStore.addSegmentSha(segmentPath)
+
+ if (this.saveReplay) {
+ await this.addSegmentToReplay(segmentPath)
+ }
- if (this.saveReplay) {
- await this.addSegmentToReplay(hlsVideoPath, previousSegment)
+ if (this.streamingPlaylist.storage === VideoStorage.OBJECT_STORAGE) {
+ try {
+ await storeHLSFileFromPath(this.streamingPlaylist, segmentPath)
+ } catch (err) {
+ logger.error('Cannot store TS segment %s in object storage', segmentPath, { err, ...this.lTags() })
}
- }).catch(err => logger.error('Cannot process segments in %s', hlsVideoPath, { err, ...this.lTags() }))
+ }
+
+ // Master playlist and segment JSON file are created, live is ready
+ if (this.masterPlaylistCreated && !this.liveReady) {
+ this.liveReady = true
+
+ this.emit('live-ready', { videoUUID: this.videoUUID })
+ }
+ }
+
+ private onTranscodingError () {
+ this.emit('transcoding-error', ({ videoUUID: this.videoUUID }))
+ }
+
+ private onTranscodedEnded () {
+ this.emit('transcoding-end', ({ videoUUID: this.videoUUID }))
+
+ logger.info('RTMP transmuxing for video %s ended. Scheduling cleanup', this.inputUrl, this.lTags())
+
+ setTimeout(() => {
+ // Wait latest segments generation, and close watchers
+
+ Promise.all([ this.tsWatcher.close(), this.masterWatcher.close(), this.m3u8Watcher.close() ])
+ .then(() => {
+ // Process remaining segments hash
+ for (const key of Object.keys(this.segmentsToProcessPerPlaylist)) {
+ this.processSegments(this.segmentsToProcessPerPlaylist[key])
+ }
+ })
+ .catch(err => {
+ logger.error(
+ 'Cannot close watchers of %s or process remaining hash segments.', this.outDirectory,
+ { err, ...this.lTags() }
+ )
+ })
+
+ this.emit('after-cleanup', { videoUUID: this.videoUUID })
+ }, 1000)
}
private hasClientSocketInBadHealth (sessionId: string) {
return false
}
- private async addSegmentToReplay (hlsVideoPath: string, segmentPath: string) {
+ private async addSegmentToReplay (segmentPath: string) {
const segmentName = basename(segmentPath)
- const dest = join(hlsVideoPath, VIDEO_LIVE.REPLAY_DIRECTORY, buildConcatenatedName(segmentName))
+ const dest = join(this.replayDirectory, buildConcatenatedName(segmentName))
try {
const data = await readFile(segmentPath)
logger.error('Cannot copy segment %s to replay directory.', segmentPath, { err, ...this.lTags() })
}
}
+
+ private async createLivePlaylist (): Promise<MStreamingPlaylistVideo> {
+ const playlist = await VideoStreamingPlaylistModel.loadOrGenerate(this.videoLive.Video)
+
+ playlist.playlistFilename = generateHLSMasterPlaylistFilename(true)
+ playlist.segmentsSha256Filename = generateHlsSha256SegmentsFilename(true)
+
+ playlist.p2pMediaLoaderPeerVersion = P2P_MEDIA_LOADER_PEER_VERSION
+ playlist.type = VideoStreamingPlaylistType.HLS
+
+ playlist.storage = CONFIG.OBJECT_STORAGE.ENABLED
+ ? VideoStorage.OBJECT_STORAGE
+ : VideoStorage.FILE_SYSTEM
+
+ return playlist.save()
+ }
+
+ private createLiveShaStore () {
+ this.liveSegmentShaStore = new LiveSegmentShaStore({
+ videoUUID: this.videoLive.Video.uuid,
+ sha256Path: join(this.outDirectory, this.streamingPlaylist.segmentsSha256Filename),
+ streamingPlaylist: this.streamingPlaylist,
+ sendToObjectStorage: CONFIG.OBJECT_STORAGE.ENABLED
+ })
+ }
+
+ private buildTranscodingWrapper () {
+ const options = {
+ streamingPlaylist: this.streamingPlaylist,
+ videoLive: this.videoLive,
+
+ lTags: this.lTags,
+
+ inputUrl: this.inputUrl,
+
+ toTranscode: this.allResolutions.map(resolution => ({
+ resolution,
+ fps: computeOutputFPS({ inputFPS: this.fps, resolution })
+ })),
+
+ fps: this.fps,
+ bitrate: this.bitrate,
+ ratio: this.ratio,
+ hasAudio: this.hasAudio,
+
+ segmentListSize: VIDEO_LIVE.SEGMENTS_LIST_SIZE,
+ segmentDuration: getLiveSegmentTime(this.videoLive.latencyMode),
+
+ outDirectory: this.outDirectory
+ }
+
+ return CONFIG.LIVE.TRANSCODING.ENABLED && CONFIG.LIVE.TRANSCODING.REMOTE_RUNNERS.ENABLED
+ ? new RemoteTranscodingWrapper(options)
+ : new FFmpegTranscodingWrapper(options)
+ }
}
// ---------------------------------------------------------------------------
projects / github / Chocobozzz / PeerTube.git / blobdiff