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 { 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 * */ // 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 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, inputPath: videoInputPath, outputPath: videoTranscodedPath, availableEncoders: VideoTranscodingProfilesManager.Instance.getAvailableEncoders(), profile: CONFIG.TRANSCODING.PROFILE, resolution: inputVideoFile.resolution, job } // Could be very long! await transcode(transcodeOptions) try { await remove(videoInputPath) // Important to do this before getVideoFilename() to take in account the new file extension inputVideoFile.extname = newExtname const videoOutputPath = getVideoFilePath(video, inputVideoFile) await onWebTorrentVideoFileTranscoding(video, inputVideoFile, videoTranscodedPath, videoOutputPath) return transcodeType } catch (err) { // Auto destruction... video.destroy().catch(err => logger.error('Cannot destruct video after transcoding failure.', { err })) throw err } } // 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 = getVideoFilePath(video, video.getMaxQualityFile()) const newVideoFile = new VideoFileModel({ resolution, extname, size: 0, videoId: video.id }) 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 = { type: 'merge-audio' as 'merge-audio', inputPath: tmpPreviewPath, outputPath: videoTranscodedPath, availableEncoders: VideoTranscodingProfilesManager.Instance.getAvailableEncoders(), profile: CONFIG.TRANSCODING.PROFILE, audioPath: audioInputPath, resolution, job } try { await transcode(transcodeOptions) await remove(audioInputPath) await remove(tmpPreviewPath) } catch (err) { await remove(tmpPreviewPath) throw err } // Important to do this before getVideoFilename() to take in account the new file extension inputVideoFile.extname = newExtname 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() return onWebTorrentVideoFileTranscoding(video, inputVideoFile, videoTranscodedPath, videoOutputPath) } // 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 }) } // 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 }) } function getEnabledResolutions (type: 'vod' | 'live') { const transcoding = type === 'vod' ? CONFIG.TRANSCODING : CONFIG.LIVE.TRANSCODING return Object.keys(transcoding.RESOLUTIONS) .filter(key => transcoding.ENABLED && transcoding.RESOLUTIONS[key] === true) .map(r => parseInt(r, 10)) } // --------------------------------------------------------------------------- export { generateHlsPlaylistResolution, generateHlsPlaylistResolutionFromTS, optimizeOriginalVideofile, transcodeNewWebTorrentResolution, mergeAudioVideofile, getEnabledResolutions } // --------------------------------------------------------------------------- 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 move(transcodingPath, outputPath, { overwrite: true }) 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 } 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 transcodeDirectory = CONFIG.STORAGE.TMP_DIR const videoTranscodedBasePath = join(transcodeDirectory, type) await ensureDir(videoTranscodedBasePath) const videoFilename = generateVideoStreamingPlaylistName(video.uuid, resolution) const playlistFilename = VideoStreamingPlaylistModel.getHlsPlaylistFilename(resolution) const playlistFileTranscodePath = join(videoTranscodedBasePath, playlistFilename) const transcodeOptions = { type, inputPath, outputPath: playlistFileTranscodePath, 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) // Create or update the playlist 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 // Build the new playlist file const newVideoFile = new VideoFileModel({ resolution, extname: extnameUtil(videoFilename), size: 0, fps: -1, videoStreamingPlaylistId: videoStreamingPlaylist.id }) const videoFilePath = getVideoFilePath(videoStreamingPlaylist, newVideoFile) // Move files from tmp transcoded directory to the appropriate place const baseHlsDirectory = join(HLS_STREAMING_PLAYLIST_DIRECTORY, video.uuid) await ensureDir(baseHlsDirectory) // Move playlist file const playlistPath = join(baseHlsDirectory, playlistFilename) await move(playlistFileTranscodePath, playlistPath, { overwrite: true }) // Move video file await move(join(videoTranscodedBasePath, videoFilename), videoFilePath, { overwrite: true }) 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 playlistPath }