mirror of https://github.com/Chocobozzz/PeerTube
362 lines
12 KiB
TypeScript
362 lines
12 KiB
TypeScript
import { Job } from 'bull'
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import { copyFile, ensureDir, move, remove, stat } from 'fs-extra'
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import { basename, extname as extnameUtil, join } from 'path'
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import { toEven } from '@server/helpers/core-utils'
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import { createTorrentAndSetInfoHash } from '@server/helpers/webtorrent'
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import { MStreamingPlaylistFilesVideo, MVideoFile, MVideoFullLight } from '@server/types/models'
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import { VideoResolution } from '../../../shared/models/videos'
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import { VideoStreamingPlaylistType } from '../../../shared/models/videos/video-streaming-playlist.type'
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import { transcode, TranscodeOptions, TranscodeOptionsType } from '../../helpers/ffmpeg-utils'
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import { canDoQuickTranscode, getDurationFromVideoFile, getMetadataFromFile, getVideoFileFPS } from '../../helpers/ffprobe-utils'
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import { logger } from '../../helpers/logger'
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import { CONFIG } from '../../initializers/config'
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import { HLS_STREAMING_PLAYLIST_DIRECTORY, P2P_MEDIA_LOADER_PEER_VERSION, WEBSERVER } from '../../initializers/constants'
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import { VideoFileModel } from '../../models/video/video-file'
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import { VideoStreamingPlaylistModel } from '../../models/video/video-streaming-playlist'
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import { updateMasterHLSPlaylist, updateSha256VODSegments } from '../hls'
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import { generateVideoFilename, generateVideoStreamingPlaylistName, getVideoFilePath } from '../video-paths'
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import { VideoTranscodingProfilesManager } from './video-transcoding-profiles'
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/**
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*
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* Functions that run transcoding functions, update the database, cleanup files, create torrent files...
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* Mainly called by the job queue
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*
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*/
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// Optimize the original video file and replace it. The resolution is not changed.
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async function optimizeOriginalVideofile (video: MVideoFullLight, inputVideoFile: MVideoFile, job?: Job) {
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const transcodeDirectory = CONFIG.STORAGE.TMP_DIR
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const newExtname = '.mp4'
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const videoInputPath = getVideoFilePath(video, inputVideoFile)
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const videoTranscodedPath = join(transcodeDirectory, video.id + '-transcoded' + newExtname)
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const transcodeType: TranscodeOptionsType = await canDoQuickTranscode(videoInputPath)
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? 'quick-transcode'
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: 'video'
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const resolution = toEven(inputVideoFile.resolution)
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const transcodeOptions: TranscodeOptions = {
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type: transcodeType,
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inputPath: videoInputPath,
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outputPath: videoTranscodedPath,
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availableEncoders: VideoTranscodingProfilesManager.Instance.getAvailableEncoders(),
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profile: CONFIG.TRANSCODING.PROFILE,
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resolution,
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job
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}
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// Could be very long!
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await transcode(transcodeOptions)
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try {
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await remove(videoInputPath)
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// Important to do this before getVideoFilename() to take in account the new filename
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inputVideoFile.extname = newExtname
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inputVideoFile.filename = generateVideoFilename(video, false, resolution, newExtname)
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const videoOutputPath = getVideoFilePath(video, inputVideoFile)
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await onWebTorrentVideoFileTranscoding(video, inputVideoFile, videoTranscodedPath, videoOutputPath)
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return transcodeType
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} catch (err) {
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// Auto destruction...
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video.destroy().catch(err => logger.error('Cannot destruct video after transcoding failure.', { err }))
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throw err
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}
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}
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// Transcode the original video file to a lower resolution.
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async function transcodeNewWebTorrentResolution (video: MVideoFullLight, resolution: VideoResolution, isPortrait: boolean, job: Job) {
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const transcodeDirectory = CONFIG.STORAGE.TMP_DIR
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const extname = '.mp4'
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// We are sure it's x264 in mp4 because optimizeOriginalVideofile was already executed
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const videoInputPath = getVideoFilePath(video, video.getMaxQualityFile())
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const newVideoFile = new VideoFileModel({
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resolution,
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extname,
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filename: generateVideoFilename(video, false, resolution, extname),
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size: 0,
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videoId: video.id
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})
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const videoOutputPath = getVideoFilePath(video, newVideoFile)
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const videoTranscodedPath = join(transcodeDirectory, newVideoFile.filename)
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const transcodeOptions = resolution === VideoResolution.H_NOVIDEO
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? {
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type: 'only-audio' as 'only-audio',
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inputPath: videoInputPath,
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outputPath: videoTranscodedPath,
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availableEncoders: VideoTranscodingProfilesManager.Instance.getAvailableEncoders(),
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profile: CONFIG.TRANSCODING.PROFILE,
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resolution,
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job
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}
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: {
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type: 'video' as 'video',
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inputPath: videoInputPath,
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outputPath: videoTranscodedPath,
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availableEncoders: VideoTranscodingProfilesManager.Instance.getAvailableEncoders(),
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profile: CONFIG.TRANSCODING.PROFILE,
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resolution,
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isPortraitMode: isPortrait,
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job
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}
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await transcode(transcodeOptions)
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return onWebTorrentVideoFileTranscoding(video, newVideoFile, videoTranscodedPath, videoOutputPath)
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}
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// Merge an image with an audio file to create a video
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async function mergeAudioVideofile (video: MVideoFullLight, resolution: VideoResolution, job: Job) {
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const transcodeDirectory = CONFIG.STORAGE.TMP_DIR
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const newExtname = '.mp4'
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const inputVideoFile = video.getMinQualityFile()
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const audioInputPath = getVideoFilePath(video, inputVideoFile)
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const videoTranscodedPath = join(transcodeDirectory, video.id + '-transcoded' + newExtname)
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// If the user updates the video preview during transcoding
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const previewPath = video.getPreview().getPath()
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const tmpPreviewPath = join(CONFIG.STORAGE.TMP_DIR, basename(previewPath))
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await copyFile(previewPath, tmpPreviewPath)
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const transcodeOptions = {
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type: 'merge-audio' as 'merge-audio',
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inputPath: tmpPreviewPath,
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outputPath: videoTranscodedPath,
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availableEncoders: VideoTranscodingProfilesManager.Instance.getAvailableEncoders(),
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profile: CONFIG.TRANSCODING.PROFILE,
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audioPath: audioInputPath,
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resolution,
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job
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}
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try {
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await transcode(transcodeOptions)
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await remove(audioInputPath)
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await remove(tmpPreviewPath)
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} catch (err) {
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await remove(tmpPreviewPath)
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throw err
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}
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// Important to do this before getVideoFilename() to take in account the new file extension
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inputVideoFile.extname = newExtname
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inputVideoFile.filename = generateVideoFilename(video, false, inputVideoFile.resolution, newExtname)
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const videoOutputPath = getVideoFilePath(video, inputVideoFile)
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// ffmpeg generated a new video file, so update the video duration
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// See https://trac.ffmpeg.org/ticket/5456
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video.duration = await getDurationFromVideoFile(videoTranscodedPath)
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await video.save()
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return onWebTorrentVideoFileTranscoding(video, inputVideoFile, videoTranscodedPath, videoOutputPath)
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}
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// Concat TS segments from a live video to a fragmented mp4 HLS playlist
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async function generateHlsPlaylistResolutionFromTS (options: {
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video: MVideoFullLight
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concatenatedTsFilePath: string
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resolution: VideoResolution
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isPortraitMode: boolean
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isAAC: boolean
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}) {
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return generateHlsPlaylistCommon({
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video: options.video,
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resolution: options.resolution,
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isPortraitMode: options.isPortraitMode,
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inputPath: options.concatenatedTsFilePath,
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type: 'hls-from-ts' as 'hls-from-ts',
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isAAC: options.isAAC
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})
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}
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// Generate an HLS playlist from an input file, and update the master playlist
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function generateHlsPlaylistResolution (options: {
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video: MVideoFullLight
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videoInputPath: string
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resolution: VideoResolution
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copyCodecs: boolean
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isPortraitMode: boolean
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job?: Job
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}) {
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return generateHlsPlaylistCommon({
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video: options.video,
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resolution: options.resolution,
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copyCodecs: options.copyCodecs,
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isPortraitMode: options.isPortraitMode,
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inputPath: options.videoInputPath,
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type: 'hls' as 'hls',
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job: options.job
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})
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}
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// ---------------------------------------------------------------------------
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export {
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generateHlsPlaylistResolution,
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generateHlsPlaylistResolutionFromTS,
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optimizeOriginalVideofile,
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transcodeNewWebTorrentResolution,
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mergeAudioVideofile
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}
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// ---------------------------------------------------------------------------
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async function onWebTorrentVideoFileTranscoding (
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video: MVideoFullLight,
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videoFile: MVideoFile,
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transcodingPath: string,
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outputPath: string
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) {
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const stats = await stat(transcodingPath)
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const fps = await getVideoFileFPS(transcodingPath)
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const metadata = await getMetadataFromFile(transcodingPath)
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await move(transcodingPath, outputPath, { overwrite: true })
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videoFile.size = stats.size
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videoFile.fps = fps
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videoFile.metadata = metadata
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await createTorrentAndSetInfoHash(video, videoFile)
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await VideoFileModel.customUpsert(videoFile, 'video', undefined)
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video.VideoFiles = await video.$get('VideoFiles')
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return video
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}
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async function generateHlsPlaylistCommon (options: {
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type: 'hls' | 'hls-from-ts'
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video: MVideoFullLight
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inputPath: string
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resolution: VideoResolution
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copyCodecs?: boolean
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isAAC?: boolean
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isPortraitMode: boolean
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job?: Job
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}) {
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const { type, video, inputPath, resolution, copyCodecs, isPortraitMode, isAAC, job } = options
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const transcodeDirectory = CONFIG.STORAGE.TMP_DIR
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const videoTranscodedBasePath = join(transcodeDirectory, type)
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await ensureDir(videoTranscodedBasePath)
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const videoFilename = generateVideoStreamingPlaylistName(video.uuid, resolution)
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const playlistFilename = VideoStreamingPlaylistModel.getHlsPlaylistFilename(resolution)
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const playlistFileTranscodePath = join(videoTranscodedBasePath, playlistFilename)
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const transcodeOptions = {
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type,
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inputPath,
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outputPath: playlistFileTranscodePath,
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availableEncoders: VideoTranscodingProfilesManager.Instance.getAvailableEncoders(),
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profile: CONFIG.TRANSCODING.PROFILE,
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resolution,
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copyCodecs,
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isPortraitMode,
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isAAC,
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hlsPlaylist: {
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videoFilename
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},
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job
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}
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await transcode(transcodeOptions)
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const playlistUrl = WEBSERVER.URL + VideoStreamingPlaylistModel.getHlsMasterPlaylistStaticPath(video.uuid)
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// Create or update the playlist
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const [ videoStreamingPlaylist ] = await VideoStreamingPlaylistModel.upsert({
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videoId: video.id,
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playlistUrl,
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segmentsSha256Url: WEBSERVER.URL + VideoStreamingPlaylistModel.getHlsSha256SegmentsStaticPath(video.uuid, video.isLive),
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p2pMediaLoaderInfohashes: [],
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p2pMediaLoaderPeerVersion: P2P_MEDIA_LOADER_PEER_VERSION,
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type: VideoStreamingPlaylistType.HLS
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}, { returning: true }) as [ MStreamingPlaylistFilesVideo, boolean ]
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videoStreamingPlaylist.Video = video
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// Build the new playlist file
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const extname = extnameUtil(videoFilename)
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const newVideoFile = new VideoFileModel({
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resolution,
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extname,
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size: 0,
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filename: generateVideoFilename(video, true, resolution, extname),
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fps: -1,
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videoStreamingPlaylistId: videoStreamingPlaylist.id
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})
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const videoFilePath = getVideoFilePath(videoStreamingPlaylist, newVideoFile)
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// Move files from tmp transcoded directory to the appropriate place
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const baseHlsDirectory = join(HLS_STREAMING_PLAYLIST_DIRECTORY, video.uuid)
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await ensureDir(baseHlsDirectory)
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// Move playlist file
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const playlistPath = join(baseHlsDirectory, playlistFilename)
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await move(playlistFileTranscodePath, playlistPath, { overwrite: true })
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// Move video file
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await move(join(videoTranscodedBasePath, videoFilename), videoFilePath, { overwrite: true })
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const stats = await stat(videoFilePath)
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newVideoFile.size = stats.size
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newVideoFile.fps = await getVideoFileFPS(videoFilePath)
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newVideoFile.metadata = await getMetadataFromFile(videoFilePath)
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await createTorrentAndSetInfoHash(videoStreamingPlaylist, newVideoFile)
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await VideoFileModel.customUpsert(newVideoFile, 'streaming-playlist', undefined)
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videoStreamingPlaylist.VideoFiles = await videoStreamingPlaylist.$get('VideoFiles')
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videoStreamingPlaylist.p2pMediaLoaderInfohashes = VideoStreamingPlaylistModel.buildP2PMediaLoaderInfoHashes(
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playlistUrl, videoStreamingPlaylist.VideoFiles
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)
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await videoStreamingPlaylist.save()
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video.setHLSPlaylist(videoStreamingPlaylist)
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await updateMasterHLSPlaylist(video)
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await updateSha256VODSegments(video)
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return playlistPath
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}
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