X-Git-Url: https://git.immae.eu/?a=blobdiff_plain;f=server%2Flib%2Fvideo-transcoding.ts;h=37a4f3019b0ab6499bee27ba4d29c6ffeb5395ad;hb=1896bca09e088b0da9d5e845407ecebae330618c;hp=a78de61e5673052955b8da1d7c48f36441a8b4f8;hpb=6d8c8ea73a774c3568e6d28a4cbebcf7979d5c2a;p=github%2FChocobozzz%2FPeerTube.git

diff --git a/server/lib/video-transcoding.ts b/server/lib/video-transcoding.ts
index a78de61e5..37a4f3019 100644
--- a/server/lib/video-transcoding.ts
+++ b/server/lib/video-transcoding.ts
@@ -1,23 +1,52 @@
-import { CONFIG } from '../initializers'
-import { extname, join } from 'path'
-import { getVideoFileFPS, getVideoFileResolution, transcode } from '../helpers/ffmpeg-utils'
-import { copy, remove, rename, stat } from 'fs-extra'
-import { logger } from '../helpers/logger'
+import { Job } from 'bull'
+import { copyFile, ensureDir, move, remove, stat } from 'fs-extra'
+import { basename, extname as extnameUtil, join } from 'path'
+import { createTorrentAndSetInfoHash } from '@server/helpers/webtorrent'
+import { MStreamingPlaylistFilesVideo, MVideoFile, MVideoWithAllFiles, MVideoWithFile } from '@server/types/models'
 import { VideoResolution } from '../../shared/models/videos'
+import { VideoStreamingPlaylistType } from '../../shared/models/videos/video-streaming-playlist.type'
+import { transcode, TranscodeOptions, TranscodeOptionsType } from '../helpers/ffmpeg-utils'
+import { canDoQuickTranscode, getDurationFromVideoFile, getMetadataFromFile, getVideoFileFPS } from '../helpers/ffprobe-utils'
+import { logger } from '../helpers/logger'
+import { CONFIG } from '../initializers/config'
+import { HLS_STREAMING_PLAYLIST_DIRECTORY, P2P_MEDIA_LOADER_PEER_VERSION, WEBSERVER } from '../initializers/constants'
 import { VideoFileModel } from '../models/video/video-file'
-import { VideoModel } from '../models/video/video'
+import { VideoStreamingPlaylistModel } from '../models/video/video-streaming-playlist'
+import { updateMasterHLSPlaylist, updateSha256VODSegments } from './hls'
+import { generateVideoStreamingPlaylistName, getVideoFilename, getVideoFilePath } from './video-paths'
+import { VideoTranscodingProfilesManager } from './video-transcoding-profiles'
+
+/**
+ *
+ * Functions that run transcoding functions, update the database, cleanup files, create torrent files...
+ * Mainly called by the job queue
+ *
+ */
 
-async function optimizeVideofile (video: VideoModel, inputVideoFileArg?: VideoFileModel) {
-  const videosDirectory = CONFIG.STORAGE.VIDEOS_DIR
+// Optimize the original video file and replace it. The resolution is not changed.
+async function optimizeOriginalVideofile (video: MVideoWithFile, inputVideoFile: MVideoFile, job?: Job) {
+  const transcodeDirectory = CONFIG.STORAGE.TMP_DIR
   const newExtname = '.mp4'
 
-  const inputVideoFile = inputVideoFileArg ? inputVideoFileArg : video.getOriginalFile()
-  const videoInputPath = join(videosDirectory, video.getVideoFilename(inputVideoFile))
-  const videoTranscodedPath = join(videosDirectory, video.id + '-transcoded' + newExtname)
+  const videoInputPath = getVideoFilePath(video, inputVideoFile)
+  const videoTranscodedPath = join(transcodeDirectory, video.id + '-transcoded' + newExtname)
+
+  const transcodeType: TranscodeOptionsType = await canDoQuickTranscode(videoInputPath)
+    ? 'quick-transcode'
+    : 'video'
+
+  const transcodeOptions: TranscodeOptions = {
+    type: transcodeType,
 
-  const transcodeOptions = {
     inputPath: videoInputPath,
-    outputPath: videoTranscodedPath
+    outputPath: videoTranscodedPath,
+
+    availableEncoders: VideoTranscodingProfilesManager.Instance.getAvailableEncoders(),
+    profile: CONFIG.TRANSCODING.PROFILE,
+
+    resolution: inputVideoFile.resolution,
+
+    job
   }
 
   // Could be very long!
@@ -27,18 +56,13 @@ async function optimizeVideofile (video: VideoModel, inputVideoFileArg?: VideoFi
     await remove(videoInputPath)
 
     // Important to do this before getVideoFilename() to take in account the new file extension
-    inputVideoFile.set('extname', newExtname)
+    inputVideoFile.extname = newExtname
 
-    const videoOutputPath = video.getVideoFilePath(inputVideoFile)
-    await rename(videoTranscodedPath, videoOutputPath)
-    const stats = await stat(videoOutputPath)
-    const fps = await getVideoFileFPS(videoOutputPath)
+    const videoOutputPath = getVideoFilePath(video, inputVideoFile)
 
-    inputVideoFile.set('size', stats.size)
-    inputVideoFile.set('fps', fps)
+    await onWebTorrentVideoFileTranscoding(video, inputVideoFile, videoTranscodedPath, videoOutputPath)
 
-    await video.createTorrentAndSetInfoHash(inputVideoFile)
-    await inputVideoFile.save()
+    return transcodeType
   } catch (err) {
     // Auto destruction...
     video.destroy().catch(err => logger.error('Cannot destruct video after transcoding failure.', { err }))
@@ -47,12 +71,13 @@ async function optimizeVideofile (video: VideoModel, inputVideoFileArg?: VideoFi
   }
 }
 
-async function transcodeOriginalVideofile (video: VideoModel, resolution: VideoResolution, isPortraitMode: boolean) {
-  const videosDirectory = CONFIG.STORAGE.VIDEOS_DIR
+// Transcode the original video file to a lower resolution.
+async function transcodeNewWebTorrentResolution (video: MVideoWithFile, resolution: VideoResolution, isPortrait: boolean, job: Job) {
+  const transcodeDirectory = CONFIG.STORAGE.TMP_DIR
   const extname = '.mp4'
 
   // We are sure it's x264 in mp4 because optimizeOriginalVideofile was already executed
-  const videoInputPath = join(videosDirectory, video.getVideoFilename(video.getOriginalFile()))
+  const videoInputPath = getVideoFilePath(video, video.getMaxQualityFile())
 
   const newVideoFile = new VideoFileModel({
     resolution,
@@ -60,72 +85,264 @@ async function transcodeOriginalVideofile (video: VideoModel, resolution: VideoR
     size: 0,
     videoId: video.id
   })
-  const videoOutputPath = join(videosDirectory, video.getVideoFilename(newVideoFile))
+  const videoOutputPath = getVideoFilePath(video, newVideoFile)
+  const videoTranscodedPath = join(transcodeDirectory, getVideoFilename(video, newVideoFile))
+
+  const transcodeOptions = resolution === VideoResolution.H_NOVIDEO
+    ? {
+      type: 'only-audio' as 'only-audio',
+
+      inputPath: videoInputPath,
+      outputPath: videoTranscodedPath,
+
+      availableEncoders: VideoTranscodingProfilesManager.Instance.getAvailableEncoders(),
+      profile: CONFIG.TRANSCODING.PROFILE,
+
+      resolution,
+
+      job
+    }
+    : {
+      type: 'video' as 'video',
+      inputPath: videoInputPath,
+      outputPath: videoTranscodedPath,
+
+      availableEncoders: VideoTranscodingProfilesManager.Instance.getAvailableEncoders(),
+      profile: CONFIG.TRANSCODING.PROFILE,
+
+      resolution,
+      isPortraitMode: isPortrait,
+
+      job
+    }
+
+  await transcode(transcodeOptions)
+
+  return onWebTorrentVideoFileTranscoding(video, newVideoFile, videoTranscodedPath, videoOutputPath)
+}
+
+// Merge an image with an audio file to create a video
+async function mergeAudioVideofile (video: MVideoWithAllFiles, resolution: VideoResolution, job: Job) {
+  const transcodeDirectory = CONFIG.STORAGE.TMP_DIR
+  const newExtname = '.mp4'
+
+  const inputVideoFile = video.getMinQualityFile()
+
+  const audioInputPath = getVideoFilePath(video, inputVideoFile)
+  const videoTranscodedPath = join(transcodeDirectory, video.id + '-transcoded' + newExtname)
+
+  // If the user updates the video preview during transcoding
+  const previewPath = video.getPreview().getPath()
+  const tmpPreviewPath = join(CONFIG.STORAGE.TMP_DIR, basename(previewPath))
+  await copyFile(previewPath, tmpPreviewPath)
 
   const transcodeOptions = {
-    inputPath: videoInputPath,
-    outputPath: videoOutputPath,
+    type: 'merge-audio' as 'merge-audio',
+
+    inputPath: tmpPreviewPath,
+    outputPath: videoTranscodedPath,
+
+    availableEncoders: VideoTranscodingProfilesManager.Instance.getAvailableEncoders(),
+    profile: CONFIG.TRANSCODING.PROFILE,
+
+    audioPath: audioInputPath,
     resolution,
-    isPortraitMode
-  }
 
-  await transcode(transcodeOptions)
+    job
+  }
 
-  const stats = await stat(videoOutputPath)
-  const fps = await getVideoFileFPS(videoOutputPath)
+  try {
+    await transcode(transcodeOptions)
 
-  newVideoFile.set('size', stats.size)
-  newVideoFile.set('fps', fps)
+    await remove(audioInputPath)
+    await remove(tmpPreviewPath)
+  } catch (err) {
+    await remove(tmpPreviewPath)
+    throw err
+  }
 
-  await video.createTorrentAndSetInfoHash(newVideoFile)
+  // Important to do this before getVideoFilename() to take in account the new file extension
+  inputVideoFile.extname = newExtname
 
-  await newVideoFile.save()
+  const videoOutputPath = getVideoFilePath(video, inputVideoFile)
+  // ffmpeg generated a new video file, so update the video duration
+  // See https://trac.ffmpeg.org/ticket/5456
+  video.duration = await getDurationFromVideoFile(videoTranscodedPath)
+  await video.save()
 
-  video.VideoFiles.push(newVideoFile)
+  return onWebTorrentVideoFileTranscoding(video, inputVideoFile, videoTranscodedPath, videoOutputPath)
 }
 
-async function importVideoFile (video: VideoModel, inputFilePath: string) {
-  const { videoFileResolution } = await getVideoFileResolution(inputFilePath)
-  const { size } = await stat(inputFilePath)
-  const fps = await getVideoFileFPS(inputFilePath)
+// Concat TS segments from a live video to a fragmented mp4 HLS playlist
+async function generateHlsPlaylistResolutionFromTS (options: {
+  video: MVideoWithFile
+  concatenatedTsFilePath: string
+  resolution: VideoResolution
+  isPortraitMode: boolean
+  isAAC: boolean
+}) {
+  return generateHlsPlaylistCommon({
+    video: options.video,
+    resolution: options.resolution,
+    isPortraitMode: options.isPortraitMode,
+    inputPath: options.concatenatedTsFilePath,
+    type: 'hls-from-ts' as 'hls-from-ts',
+    isAAC: options.isAAC
+  })
+}
 
-  let updatedVideoFile = new VideoFileModel({
-    resolution: videoFileResolution,
-    extname: extname(inputFilePath),
-    size,
-    fps,
-    videoId: video.id
+// Generate an HLS playlist from an input file, and update the master playlist
+function generateHlsPlaylistResolution (options: {
+  video: MVideoWithFile
+  videoInputPath: string
+  resolution: VideoResolution
+  copyCodecs: boolean
+  isPortraitMode: boolean
+  job?: Job
+}) {
+  return generateHlsPlaylistCommon({
+    video: options.video,
+    resolution: options.resolution,
+    copyCodecs: options.copyCodecs,
+    isPortraitMode: options.isPortraitMode,
+    inputPath: options.videoInputPath,
+    type: 'hls' as 'hls',
+    job: options.job
   })
+}
 
-  const currentVideoFile = video.VideoFiles.find(videoFile => videoFile.resolution === updatedVideoFile.resolution)
+function getEnabledResolutions (type: 'vod' | 'live') {
+  const transcoding = type === 'vod'
+    ? CONFIG.TRANSCODING
+    : CONFIG.LIVE.TRANSCODING
 
-  if (currentVideoFile) {
-    // Remove old file and old torrent
-    await video.removeFile(currentVideoFile)
-    await video.removeTorrent(currentVideoFile)
-    // Remove the old video file from the array
-    video.VideoFiles = video.VideoFiles.filter(f => f !== currentVideoFile)
+  return Object.keys(transcoding.RESOLUTIONS)
+               .filter(key => transcoding.ENABLED && transcoding.RESOLUTIONS[key] === true)
+               .map(r => parseInt(r, 10))
+}
 
-    // Update the database
-    currentVideoFile.set('extname', updatedVideoFile.extname)
-    currentVideoFile.set('size', updatedVideoFile.size)
-    currentVideoFile.set('fps', updatedVideoFile.fps)
+// ---------------------------------------------------------------------------
 
-    updatedVideoFile = currentVideoFile
-  }
+export {
+  generateHlsPlaylistResolution,
+  generateHlsPlaylistResolutionFromTS,
+  optimizeOriginalVideofile,
+  transcodeNewWebTorrentResolution,
+  mergeAudioVideofile,
+  getEnabledResolutions
+}
 
-  const outputPath = video.getVideoFilePath(updatedVideoFile)
-  await copy(inputFilePath, outputPath)
+// ---------------------------------------------------------------------------
 
-  await video.createTorrentAndSetInfoHash(updatedVideoFile)
+async function onWebTorrentVideoFileTranscoding (
+  video: MVideoWithFile,
+  videoFile: MVideoFile,
+  transcodingPath: string,
+  outputPath: string
+) {
+  const stats = await stat(transcodingPath)
+  const fps = await getVideoFileFPS(transcodingPath)
+  const metadata = await getMetadataFromFile(transcodingPath)
 
-  await updatedVideoFile.save()
+  await move(transcodingPath, outputPath, { overwrite: true })
 
-  video.VideoFiles.push(updatedVideoFile)
+  videoFile.size = stats.size
+  videoFile.fps = fps
+  videoFile.metadata = metadata
+
+  await createTorrentAndSetInfoHash(video, videoFile)
+
+  await VideoFileModel.customUpsert(videoFile, 'video', undefined)
+  video.VideoFiles = await video.$get('VideoFiles')
+
+  return video
 }
 
-export {
-  optimizeVideofile,
-  transcodeOriginalVideofile,
-  importVideoFile
+async function generateHlsPlaylistCommon (options: {
+  type: 'hls' | 'hls-from-ts'
+  video: MVideoWithFile
+  inputPath: string
+  resolution: VideoResolution
+  copyCodecs?: boolean
+  isAAC?: boolean
+  isPortraitMode: boolean
+
+  job?: Job
+}) {
+  const { type, video, inputPath, resolution, copyCodecs, isPortraitMode, isAAC, job } = options
+
+  const baseHlsDirectory = join(HLS_STREAMING_PLAYLIST_DIRECTORY, video.uuid)
+  await ensureDir(join(HLS_STREAMING_PLAYLIST_DIRECTORY, video.uuid))
+
+  const outputPath = join(baseHlsDirectory, VideoStreamingPlaylistModel.getHlsPlaylistFilename(resolution))
+  const videoFilename = generateVideoStreamingPlaylistName(video.uuid, resolution)
+
+  const transcodeOptions = {
+    type,
+
+    inputPath,
+    outputPath,
+
+    availableEncoders: VideoTranscodingProfilesManager.Instance.getAvailableEncoders(),
+    profile: CONFIG.TRANSCODING.PROFILE,
+
+    resolution,
+    copyCodecs,
+    isPortraitMode,
+
+    isAAC,
+
+    hlsPlaylist: {
+      videoFilename
+    },
+
+    job
+  }
+
+  await transcode(transcodeOptions)
+
+  const playlistUrl = WEBSERVER.URL + VideoStreamingPlaylistModel.getHlsMasterPlaylistStaticPath(video.uuid)
+
+  const [ videoStreamingPlaylist ] = await VideoStreamingPlaylistModel.upsert({
+    videoId: video.id,
+    playlistUrl,
+    segmentsSha256Url: WEBSERVER.URL + VideoStreamingPlaylistModel.getHlsSha256SegmentsStaticPath(video.uuid, video.isLive),
+    p2pMediaLoaderInfohashes: [],
+    p2pMediaLoaderPeerVersion: P2P_MEDIA_LOADER_PEER_VERSION,
+
+    type: VideoStreamingPlaylistType.HLS
+  }, { returning: true }) as [ MStreamingPlaylistFilesVideo, boolean ]
+  videoStreamingPlaylist.Video = video
+
+  const newVideoFile = new VideoFileModel({
+    resolution,
+    extname: extnameUtil(videoFilename),
+    size: 0,
+    fps: -1,
+    videoStreamingPlaylistId: videoStreamingPlaylist.id
+  })
+
+  const videoFilePath = getVideoFilePath(videoStreamingPlaylist, newVideoFile)
+  const stats = await stat(videoFilePath)
+
+  newVideoFile.size = stats.size
+  newVideoFile.fps = await getVideoFileFPS(videoFilePath)
+  newVideoFile.metadata = await getMetadataFromFile(videoFilePath)
+
+  await createTorrentAndSetInfoHash(videoStreamingPlaylist, newVideoFile)
+
+  await VideoFileModel.customUpsert(newVideoFile, 'streaming-playlist', undefined)
+  videoStreamingPlaylist.VideoFiles = await videoStreamingPlaylist.$get('VideoFiles')
+
+  videoStreamingPlaylist.p2pMediaLoaderInfohashes = VideoStreamingPlaylistModel.buildP2PMediaLoaderInfoHashes(
+    playlistUrl, videoStreamingPlaylist.VideoFiles
+  )
+  await videoStreamingPlaylist.save()
+
+  video.setHLSPlaylist(videoStreamingPlaylist)
+
+  await updateMasterHLSPlaylist(video)
+  await updateSha256VODSegments(video)
+
+  return outputPath
 }