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peertube/server/lib/job-queue/handlers/video-live-ending.ts
2022-06-28 15:06:15 +02:00

249 lines
8.3 KiB
TypeScript

import { Job } from 'bull'
import { readdir, remove } from 'fs-extra'
import { join } from 'path'
import { ffprobePromise, getAudioStream, getVideoStreamDimensionsInfo, getVideoStreamDuration } from '@server/helpers/ffmpeg'
import { getLocalVideoActivityPubUrl } from '@server/lib/activitypub/url'
import { federateVideoIfNeeded } from '@server/lib/activitypub/videos'
import { cleanupPermanentLive, cleanupTMPLiveFiles, cleanupUnsavedNormalLive } from '@server/lib/live'
import { generateHLSMasterPlaylistFilename, generateHlsSha256SegmentsFilename, getLiveReplayBaseDirectory } from '@server/lib/paths'
import { generateVideoMiniature } from '@server/lib/thumbnail'
import { generateHlsPlaylistResolutionFromTS } from '@server/lib/transcoding/transcoding'
import { moveToNextState } from '@server/lib/video-state'
import { VideoModel } from '@server/models/video/video'
import { VideoBlacklistModel } from '@server/models/video/video-blacklist'
import { VideoFileModel } from '@server/models/video/video-file'
import { VideoLiveModel } from '@server/models/video/video-live'
import { VideoLiveSessionModel } from '@server/models/video/video-live-session'
import { VideoStreamingPlaylistModel } from '@server/models/video/video-streaming-playlist'
import { MVideo, MVideoLive, MVideoLiveSession, MVideoWithAllFiles } from '@server/types/models'
import { ThumbnailType, VideoLiveEndingPayload, VideoState } from '@shared/models'
import { logger, loggerTagsFactory } from '../../../helpers/logger'
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 liveVideo = await VideoModel.load(payload.videoId)
const live = await VideoLiveModel.loadByVideoId(payload.videoId)
const liveSession = await VideoLiveSessionModel.load(payload.liveSessionId)
if (!liveVideo || !live || !liveSession) {
logError()
return
}
if (live.saveReplay !== true) {
return cleanupLiveAndFederate({ live, video: liveVideo, streamingPlaylistId: payload.streamingPlaylistId })
}
if (live.permanentLive) {
await saveReplayToExternalVideo({ liveVideo, liveSession, publishedAt: payload.publishedAt, replayDirectory: payload.replayDirectory })
return cleanupLiveAndFederate({ live, video: liveVideo, streamingPlaylistId: payload.streamingPlaylistId })
}
return replaceLiveByReplay({ liveVideo, live, liveSession, replayDirectory: payload.replayDirectory })
}
// ---------------------------------------------------------------------------
export {
processVideoLiveEnding
}
// ---------------------------------------------------------------------------
async function saveReplayToExternalVideo (options: {
liveVideo: MVideo
liveSession: MVideoLiveSession
publishedAt: string
replayDirectory: string
}) {
const { liveVideo, liveSession, publishedAt, replayDirectory } = options
const video = new VideoModel({
name: `${liveVideo.name} - ${new Date(publishedAt).toLocaleString()}`,
isLive: false,
state: VideoState.TO_TRANSCODE,
duration: 0,
remote: liveVideo.remote,
category: liveVideo.category,
licence: liveVideo.licence,
language: liveVideo.language,
commentsEnabled: liveVideo.commentsEnabled,
downloadEnabled: liveVideo.downloadEnabled,
waitTranscoding: true,
nsfw: liveVideo.nsfw,
description: liveVideo.description,
support: liveVideo.support,
privacy: liveVideo.privacy,
channelId: liveVideo.channelId
}) as MVideoWithAllFiles
video.Thumbnails = []
video.VideoFiles = []
video.VideoStreamingPlaylists = []
video.url = getLocalVideoActivityPubUrl(video)
await video.save()
liveSession.replayVideoId = video.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: video.id,
unfederated: blacklist.unfederated,
reason: blacklist.reason,
type: blacklist.type
})
}
await assignReplayFilesToVideo({ video, replayDirectory })
await remove(replayDirectory)
for (const type of [ ThumbnailType.MINIATURE, ThumbnailType.PREVIEW ]) {
const image = await generateVideoMiniature({ video, videoFile: video.getMaxQualityFile(), type })
await video.addAndSaveThumbnail(image)
}
await moveToNextState({ video, isNewVideo: true })
}
async function replaceLiveByReplay (options: {
liveVideo: MVideo
liveSession: MVideoLiveSession
live: MVideoLive
replayDirectory: string
}) {
const { liveVideo, liveSession, live, replayDirectory } = options
await cleanupTMPLiveFiles(liveVideo)
await live.destroy()
liveVideo.isLive = false
liveVideo.waitTranscoding = true
liveVideo.state = VideoState.TO_TRANSCODE
await liveVideo.save()
liveSession.replayVideoId = liveVideo.id
await liveSession.save()
// Remove old HLS playlist video files
const videoWithFiles = await VideoModel.loadFull(liveVideo.id)
const hlsPlaylist = videoWithFiles.getHLSPlaylist()
await VideoFileModel.removeHLSFilesOfVideoId(hlsPlaylist.id)
// Reset playlist
hlsPlaylist.VideoFiles = []
hlsPlaylist.playlistFilename = generateHLSMasterPlaylistFilename()
hlsPlaylist.segmentsSha256Filename = generateHlsSha256SegmentsFilename()
await hlsPlaylist.save()
await assignReplayFilesToVideo({ video: videoWithFiles, replayDirectory })
if (live.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(videoWithFiles))
}
// Regenerate the thumbnail & preview?
if (videoWithFiles.getMiniature().automaticallyGenerated === true) {
const miniature = await generateVideoMiniature({
video: videoWithFiles,
videoFile: videoWithFiles.getMaxQualityFile(),
type: ThumbnailType.MINIATURE
})
await videoWithFiles.addAndSaveThumbnail(miniature)
}
if (videoWithFiles.getPreview().automaticallyGenerated === true) {
const preview = await generateVideoMiniature({
video: videoWithFiles,
videoFile: videoWithFiles.getMaxQualityFile(),
type: ThumbnailType.PREVIEW
})
await videoWithFiles.addAndSaveThumbnail(preview)
}
// We consider this is a new video
await moveToNextState({ video: videoWithFiles, isNewVideo: true })
}
async function assignReplayFilesToVideo (options: {
video: MVideo
replayDirectory: string
}) {
const { video, replayDirectory } = options
let durationDone = false
const concatenatedTsFiles = await readdir(replayDirectory)
for (const concatenatedTsFile of concatenatedTsFiles) {
const concatenatedTsFilePath = join(replayDirectory, concatenatedTsFile)
const probe = await ffprobePromise(concatenatedTsFilePath)
const { audioStream } = await getAudioStream(concatenatedTsFilePath, probe)
const { resolution, isPortraitMode } = await getVideoStreamDimensionsInfo(concatenatedTsFilePath, probe)
const { resolutionPlaylistPath: outputPath } = await generateHlsPlaylistResolutionFromTS({
video,
concatenatedTsFilePath,
resolution,
isPortraitMode,
isAAC: audioStream?.codec_name === 'aac'
})
if (!durationDone) {
video.duration = await getVideoStreamDuration(outputPath)
await video.save()
durationDone = true
}
}
return video
}
async function cleanupLiveAndFederate (options: {
live: MVideoLive
video: MVideo
streamingPlaylistId: number
}) {
const { live, video, streamingPlaylistId } = options
const streamingPlaylist = await VideoStreamingPlaylistModel.loadWithVideo(streamingPlaylistId)
if (streamingPlaylist) {
if (live.permanentLive) {
await cleanupPermanentLive(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 })
}
}