PeerTube/server/core/lib/job-queue/handlers/video-live-ending.ts

323 lines
11 KiB
TypeScript

import { ffprobePromise, getAudioStream, getVideoStreamDimensionsInfo, getVideoStreamFPS } from '@peertube/peertube-ffmpeg'
import { ThumbnailType, VideoLiveEndingPayload, VideoState } from '@peertube/peertube-models'
import { peertubeTruncate } from '@server/helpers/core-utils.js'
import { CONSTRAINTS_FIELDS } from '@server/initializers/constants.js'
import { getLocalVideoActivityPubUrl } from '@server/lib/activitypub/url.js'
import { federateVideoIfNeeded } from '@server/lib/activitypub/videos/index.js'
import { cleanupAndDestroyPermanentLive, cleanupTMPLiveFiles, cleanupUnsavedNormalLive } from '@server/lib/live/index.js'
import {
generateHLSMasterPlaylistFilename,
generateHlsSha256SegmentsFilename,
getHLSDirectory,
getLiveReplayBaseDirectory
} from '@server/lib/paths.js'
import { generateLocalVideoMiniature, regenerateMiniaturesIfNeeded } from '@server/lib/thumbnail.js'
import { generateHlsPlaylistResolutionFromTS } from '@server/lib/transcoding/hls-transcoding.js'
import { createTranscriptionTaskIfNeeded } from '@server/lib/video-captions.js'
import { buildStoryboardJobIfNeeded } from '@server/lib/video-jobs.js'
import { VideoPathManager } from '@server/lib/video-path-manager.js'
import { isVideoInPublicDirectory } from '@server/lib/video-privacy.js'
import { moveToNextState } from '@server/lib/video-state.js'
import { VideoBlacklistModel } from '@server/models/video/video-blacklist.js'
import { VideoFileModel } from '@server/models/video/video-file.js'
import { VideoLiveReplaySettingModel } from '@server/models/video/video-live-replay-setting.js'
import { VideoLiveSessionModel } from '@server/models/video/video-live-session.js'
import { VideoLiveModel } from '@server/models/video/video-live.js'
import { VideoStreamingPlaylistModel } from '@server/models/video/video-streaming-playlist.js'
import { VideoModel } from '@server/models/video/video.js'
import { MVideo, MVideoLive, MVideoLiveSession, MVideoWithAllFiles } from '@server/types/models/index.js'
import { Job } from 'bullmq'
import { remove } from 'fs-extra/esm'
import { readdir } from 'fs/promises'
import { join } from 'path'
import { logger, loggerTagsFactory } from '../../../helpers/logger.js'
import { JobQueue } from '../job-queue.js'
const lTags = loggerTagsFactory('live', 'job')
async function processVideoLiveEnding (job: Job) {
const payload = job.data as VideoLiveEndingPayload
logger.info('Processing video live ending for %s.', payload.videoId, { payload, ...lTags() })
function logError () {
logger.warn('Video live %d does not exist anymore. Cannot process live ending.', payload.videoId, lTags())
}
const video = await VideoModel.load(payload.videoId)
const live = await VideoLiveModel.loadByVideoId(payload.videoId)
const liveSession = await VideoLiveSessionModel.load(payload.liveSessionId)
if (!video || !live || !liveSession) {
logError()
return
}
const permanentLive = live.permanentLive
liveSession.endingProcessed = true
await liveSession.save()
if (liveSession.saveReplay !== true) {
return cleanupLiveAndFederate({ permanentLive, video, streamingPlaylistId: payload.streamingPlaylistId })
}
if (await hasReplayFiles(payload.replayDirectory) !== true) {
logger.info(`No replay files found for live ${video.uuid}, skipping video replay creation.`, { ...lTags(video.uuid) })
return cleanupLiveAndFederate({ permanentLive, video, streamingPlaylistId: payload.streamingPlaylistId })
}
if (permanentLive) {
await saveReplayToExternalVideo({
liveVideo: video,
liveSession,
publishedAt: payload.publishedAt,
replayDirectory: payload.replayDirectory
})
return cleanupLiveAndFederate({ permanentLive, video, streamingPlaylistId: payload.streamingPlaylistId })
}
return replaceLiveByReplay({
video,
liveSession,
live,
permanentLive,
replayDirectory: payload.replayDirectory
})
}
// ---------------------------------------------------------------------------
export {
processVideoLiveEnding
}
// ---------------------------------------------------------------------------
async function saveReplayToExternalVideo (options: {
liveVideo: MVideo
liveSession: MVideoLiveSession
publishedAt: string
replayDirectory: string
}) {
const { liveVideo, liveSession, publishedAt, replayDirectory } = options
const replaySettings = await VideoLiveReplaySettingModel.load(liveSession.replaySettingId)
const videoNameSuffix = ` - ${new Date(publishedAt).toLocaleString()}`
const truncatedVideoName = peertubeTruncate(liveVideo.name, {
length: CONSTRAINTS_FIELDS.VIDEOS.NAME.max - videoNameSuffix.length
})
const replayVideo = new VideoModel({
name: truncatedVideoName + videoNameSuffix,
isLive: false,
state: VideoState.TO_TRANSCODE,
duration: 0,
remote: liveVideo.remote,
category: liveVideo.category,
licence: liveVideo.licence,
language: liveVideo.language,
commentsPolicy: liveVideo.commentsPolicy,
downloadEnabled: liveVideo.downloadEnabled,
waitTranscoding: true,
nsfw: liveVideo.nsfw,
description: liveVideo.description,
aspectRatio: liveVideo.aspectRatio,
support: liveVideo.support,
privacy: replaySettings.privacy,
channelId: liveVideo.channelId
}) as MVideoWithAllFiles
replayVideo.Thumbnails = []
replayVideo.VideoFiles = []
replayVideo.VideoStreamingPlaylists = []
replayVideo.url = getLocalVideoActivityPubUrl(replayVideo)
await replayVideo.save()
liveSession.replayVideoId = replayVideo.id
await liveSession.save()
// If live is blacklisted, also blacklist the replay
const blacklist = await VideoBlacklistModel.loadByVideoId(liveVideo.id)
if (blacklist) {
await VideoBlacklistModel.create({
videoId: replayVideo.id,
unfederated: blacklist.unfederated,
reason: blacklist.reason,
type: blacklist.type
})
}
const inputFileMutexReleaser = await VideoPathManager.Instance.lockFiles(liveVideo.uuid)
try {
await assignReplayFilesToVideo({ video: replayVideo, replayDirectory })
await remove(replayDirectory)
} finally {
inputFileMutexReleaser()
}
const thumbnails = await generateLocalVideoMiniature({
video: replayVideo,
videoFile: replayVideo.getMaxQualityFile(),
types: [ ThumbnailType.MINIATURE, ThumbnailType.PREVIEW ],
ffprobe: undefined
})
for (const thumbnail of thumbnails) {
await replayVideo.addAndSaveThumbnail(thumbnail)
}
await createStoryboardJob(replayVideo)
await createTranscriptionTaskIfNeeded(replayVideo)
await moveToNextState({ video: replayVideo, isNewVideo: true })
}
async function replaceLiveByReplay (options: {
video: MVideo
liveSession: MVideoLiveSession
live: MVideoLive
permanentLive: boolean
replayDirectory: string
}) {
const { video: liveVideo, liveSession, live, permanentLive, replayDirectory } = options
const replaySettings = await VideoLiveReplaySettingModel.load(liveSession.replaySettingId)
const videoWithFiles = await VideoModel.loadFull(liveVideo.id)
const hlsPlaylist = videoWithFiles.getHLSPlaylist()
const replayInAnotherDirectory = isVideoInPublicDirectory(liveVideo.privacy) !== isVideoInPublicDirectory(replaySettings.privacy)
logger.info(`Replacing live ${liveVideo.uuid} by replay ${replayDirectory}.`, { replayInAnotherDirectory, ...lTags(liveVideo.uuid) })
await cleanupTMPLiveFiles(videoWithFiles, hlsPlaylist)
await live.destroy()
videoWithFiles.isLive = false
videoWithFiles.privacy = replaySettings.privacy
videoWithFiles.waitTranscoding = true
videoWithFiles.state = VideoState.TO_TRANSCODE
await videoWithFiles.save()
liveSession.replayVideoId = videoWithFiles.id
await liveSession.save()
await VideoFileModel.removeHLSFilesOfStreamingPlaylistId(hlsPlaylist.id)
// Reset playlist
hlsPlaylist.VideoFiles = []
hlsPlaylist.playlistFilename = generateHLSMasterPlaylistFilename()
hlsPlaylist.segmentsSha256Filename = generateHlsSha256SegmentsFilename()
await hlsPlaylist.save()
const inputFileMutexReleaser = await VideoPathManager.Instance.lockFiles(videoWithFiles.uuid)
try {
await assignReplayFilesToVideo({ video: videoWithFiles, replayDirectory })
// Should not happen in this function, but we keep the code if in the future we can replace the permanent live by a replay
if (permanentLive) { // Remove session replay
await remove(replayDirectory)
} else {
// We won't stream again in this live, we can delete the base replay directory
await remove(getLiveReplayBaseDirectory(liveVideo))
// If the live was in another base directory, also delete it
if (replayInAnotherDirectory) {
await remove(getHLSDirectory(liveVideo))
}
}
} finally {
inputFileMutexReleaser()
}
// Regenerate the thumbnail & preview?
await regenerateMiniaturesIfNeeded(videoWithFiles, undefined)
// We consider this is a new video
await moveToNextState({ video: videoWithFiles, isNewVideo: true })
await createStoryboardJob(videoWithFiles)
await createTranscriptionTaskIfNeeded(videoWithFiles)
}
async function assignReplayFilesToVideo (options: {
video: MVideo
replayDirectory: string
}) {
const { video, replayDirectory } = options
const concatenatedTsFiles = await readdir(replayDirectory)
logger.info(`Assigning replays ${replayDirectory} to video ${video.uuid}.`, { concatenatedTsFiles, ...lTags(video.uuid) })
for (const concatenatedTsFile of concatenatedTsFiles) {
// Generating hls playlist can be long, reload the video in this case
await video.reload()
const concatenatedTsFilePath = join(replayDirectory, concatenatedTsFile)
const probe = await ffprobePromise(concatenatedTsFilePath)
const { audioStream } = await getAudioStream(concatenatedTsFilePath, probe)
const { resolution } = await getVideoStreamDimensionsInfo(concatenatedTsFilePath, probe)
const fps = await getVideoStreamFPS(concatenatedTsFilePath, probe)
try {
await generateHlsPlaylistResolutionFromTS({
video,
inputFileMutexReleaser: null, // Already locked in parent
concatenatedTsFilePath,
resolution,
fps,
isAAC: audioStream?.codec_name === 'aac'
})
} catch (err) {
logger.error('Cannot generate HLS playlist resolution from TS files.', { err })
}
}
return video
}
async function cleanupLiveAndFederate (options: {
video: MVideo
permanentLive: boolean
streamingPlaylistId: number
}) {
const { permanentLive, video, streamingPlaylistId } = options
const streamingPlaylist = await VideoStreamingPlaylistModel.loadWithVideo(streamingPlaylistId)
if (streamingPlaylist) {
if (permanentLive) {
await cleanupAndDestroyPermanentLive(video, streamingPlaylist)
} else {
await cleanupUnsavedNormalLive(video, streamingPlaylist)
}
}
try {
const fullVideo = await VideoModel.loadFull(video.id)
return federateVideoIfNeeded(fullVideo, false, undefined)
} catch (err) {
logger.warn('Cannot federate live after cleanup', { videoId: video.id, err })
}
}
function createStoryboardJob (video: MVideo) {
return JobQueue.Instance.createJob(buildStoryboardJobIfNeeded({ video, federate: true }))
}
async function hasReplayFiles (replayDirectory: string) {
return (await readdir(replayDirectory)).length !== 0
}