]> git.immae.eu Git - github/Chocobozzz/PeerTube.git/blobdiff - server/lib/job-queue/handlers/video-live-ending.ts
Fix fast restream in saved permanent live
[github/Chocobozzz/PeerTube.git] / server / lib / job-queue / handlers / video-live-ending.ts
index 1a58a9f7ee2c34d38ca91528ade36d252dd632e8..450bda2fdf97be765150bc4ef8ce8c2dd72bd4ae 100644 (file)
@@ -1,43 +1,62 @@
-import * as Bull from 'bull'
+import { Job } from 'bull'
 import { readdir, remove } from 'fs-extra'
 import { join } from 'path'
-import { getHLSDirectory } from '@server/lib/video-paths'
+import { ffprobePromise, getAudioStream, getVideoStreamDimensionsInfo, getVideoStreamDuration } from '@server/helpers/ffmpeg'
+import { getLocalVideoActivityPubUrl } from '@server/lib/activitypub/url'
+import { federateVideoIfNeeded } from '@server/lib/activitypub/videos'
+import { cleanupUnsavedNormalLive, cleanupPermanentLive, cleanupTMPLiveFiles, LiveSegmentShaStore } from '@server/lib/live'
+import {
+  generateHLSMasterPlaylistFilename,
+  generateHlsSha256SegmentsFilename,
+  getLiveDirectory,
+  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 { VideoLiveEndingPayload } from '@shared/models'
-import { logger } from '../../../helpers/logger'
+import { MVideo, MVideoLive, MVideoLiveSession, MVideoWithAllFiles } from '@server/types/models'
+import { ThumbnailType, VideoLiveEndingPayload, VideoState } from '@shared/models'
+import { logger, loggerTagsFactory } from '../../../helpers/logger'
 
-async function processVideoLiveEnding (job: Bull.Job) {
+const lTags = loggerTagsFactory('live', 'job')
+
+async function processVideoLiveEnding (job: Job) {
   const payload = job.data as VideoLiveEndingPayload
 
-  const video = await VideoModel.loadAndPopulateAccountAndServerAndTags(payload.videoId)
-  if (!video) {
-    logger.warn('Video live %d does not exist anymore. Cannot cleanup.', payload.videoId)
+  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
   }
 
-  const streamingPlaylist = await VideoStreamingPlaylistModel.loadHLSPlaylistByVideo(video.id)
-  const hlsDirectory = getHLSDirectory(video, false)
+  LiveSegmentShaStore.Instance.cleanupShaSegments(liveVideo.uuid)
 
-  const files = await readdir(hlsDirectory)
+  if (live.saveReplay !== true) {
+    return cleanupLiveAndFederate({ live, video: liveVideo, streamingPlaylistId: payload.streamingPlaylistId })
+  }
 
-  for (const filename of files) {
-    if (
-      filename.endsWith('.ts') ||
-      filename.endsWith('.m3u8') ||
-      filename.endsWith('.mpd') ||
-      filename.endsWith('.m4s') ||
-      filename.endsWith('.tmp')
-    ) {
-      const p = join(hlsDirectory, filename)
+  if (live.permanentLive) {
+    await saveReplayToExternalVideo({ liveVideo, liveSession, publishedAt: payload.publishedAt, replayDirectory: payload.replayDirectory })
 
-      remove(p)
-        .catch(err => logger.error('Cannot remove %s.', p, { err }))
-    }
+    return cleanupLiveAndFederate({ live, video: liveVideo, streamingPlaylistId: payload.streamingPlaylistId })
   }
 
-  streamingPlaylist.destroy()
-    .catch(err => logger.error('Cannot remove live streaming playlist.', { err }))
+  return replaceLiveByReplay({ liveVideo, live, liveSession, replayDirectory: payload.replayDirectory })
 }
 
 // ---------------------------------------------------------------------------
@@ -45,3 +64,193 @@ async function processVideoLiveEnding (job: Bull.Job) {
 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(getLiveDirectory(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.loadAndPopulateAccountAndServerAndTags(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.loadAndPopulateAccountAndServerAndTags(video.id)
+    return federateVideoIfNeeded(fullVideo, false, undefined)
+  } catch (err) {
+    logger.warn('Cannot federate live after cleanup', { videoId: video.id, err })
+  }
+}