273 lines
8.5 KiB
TypeScript
273 lines
8.5 KiB
TypeScript
import { Job } from 'bullmq'
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import { copyFile, move, remove, stat } from 'fs-extra'
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import { basename, join } from 'path'
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import { computeOutputFPS } from '@server/helpers/ffmpeg'
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import { createTorrentAndSetInfoHash } from '@server/helpers/webtorrent'
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import { MVideoFile, MVideoFullLight } from '@server/types/models'
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import { toEven } from '@shared/core-utils'
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import { ffprobePromise, getVideoStreamDuration, getVideoStreamFPS, TranscodeVODOptionsType } from '@shared/ffmpeg'
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import { VideoResolution, VideoStorage } from '@shared/models'
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import { CONFIG } from '../../initializers/config'
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import { VideoFileModel } from '../../models/video/video-file'
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import { generateWebTorrentVideoFilename } from '../paths'
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import { buildFileMetadata } from '../video-file'
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import { VideoPathManager } from '../video-path-manager'
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import { buildFFmpegVOD } from './shared'
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import { computeResolutionsToTranscode } from './transcoding-resolutions'
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import { VideoModel } from '@server/models/video/video'
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// Optimize the original video file and replace it. The resolution is not changed.
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export async function optimizeOriginalVideofile (options: {
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video: MVideoFullLight
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inputVideoFile: MVideoFile
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quickTranscode: boolean
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job: Job
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}) {
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const { video, inputVideoFile, quickTranscode, job } = options
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const transcodeDirectory = CONFIG.STORAGE.TMP_DIR
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const newExtname = '.mp4'
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// Will be released by our transcodeVOD function once ffmpeg is ran
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const inputFileMutexReleaser = await VideoPathManager.Instance.lockFiles(video.uuid)
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try {
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await video.reload()
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await inputVideoFile.reload()
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const fileWithVideoOrPlaylist = inputVideoFile.withVideoOrPlaylist(video)
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const result = await VideoPathManager.Instance.makeAvailableVideoFile(fileWithVideoOrPlaylist, async videoInputPath => {
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const videoOutputPath = join(transcodeDirectory, video.id + '-transcoded' + newExtname)
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const transcodeType: TranscodeVODOptionsType = quickTranscode
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? 'quick-transcode'
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: 'video'
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const resolution = buildOriginalFileResolution(inputVideoFile.resolution)
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const fps = computeOutputFPS({ inputFPS: inputVideoFile.fps, resolution })
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// Could be very long!
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await buildFFmpegVOD(job).transcode({
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type: transcodeType,
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inputPath: videoInputPath,
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outputPath: videoOutputPath,
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inputFileMutexReleaser,
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resolution,
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fps
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})
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// Important to do this before getVideoFilename() to take in account the new filename
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inputVideoFile.resolution = resolution
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inputVideoFile.extname = newExtname
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inputVideoFile.filename = generateWebTorrentVideoFilename(resolution, newExtname)
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inputVideoFile.storage = VideoStorage.FILE_SYSTEM
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const { videoFile } = await onWebTorrentVideoFileTranscoding({
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video,
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videoFile: inputVideoFile,
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videoOutputPath
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})
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await remove(videoInputPath)
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return { transcodeType, videoFile }
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})
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return result
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} finally {
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inputFileMutexReleaser()
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}
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}
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// Transcode the original video file to a lower resolution compatible with WebTorrent
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export async function transcodeNewWebTorrentResolution (options: {
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video: MVideoFullLight
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resolution: VideoResolution
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fps: number
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job: Job
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}) {
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const { video: videoArg, resolution, fps, job } = options
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const transcodeDirectory = CONFIG.STORAGE.TMP_DIR
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const newExtname = '.mp4'
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const inputFileMutexReleaser = await VideoPathManager.Instance.lockFiles(videoArg.uuid)
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try {
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const video = await VideoModel.loadFull(videoArg.uuid)
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const file = video.getMaxQualityFile().withVideoOrPlaylist(video)
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const result = await VideoPathManager.Instance.makeAvailableVideoFile(file, async videoInputPath => {
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const newVideoFile = new VideoFileModel({
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resolution,
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extname: newExtname,
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filename: generateWebTorrentVideoFilename(resolution, newExtname),
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size: 0,
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videoId: video.id
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})
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const videoOutputPath = join(transcodeDirectory, newVideoFile.filename)
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const transcodeOptions = {
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type: 'video' as 'video',
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inputPath: videoInputPath,
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outputPath: videoOutputPath,
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inputFileMutexReleaser,
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resolution,
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fps
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}
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await buildFFmpegVOD(job).transcode(transcodeOptions)
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return onWebTorrentVideoFileTranscoding({ video, videoFile: newVideoFile, videoOutputPath })
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})
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return result
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} finally {
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inputFileMutexReleaser()
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}
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}
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// Merge an image with an audio file to create a video
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export async function mergeAudioVideofile (options: {
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video: MVideoFullLight
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resolution: VideoResolution
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fps: number
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job: Job
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}) {
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const { video: videoArg, resolution, fps, job } = options
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const transcodeDirectory = CONFIG.STORAGE.TMP_DIR
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const newExtname = '.mp4'
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const inputFileMutexReleaser = await VideoPathManager.Instance.lockFiles(videoArg.uuid)
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try {
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const video = await VideoModel.loadFull(videoArg.uuid)
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const inputVideoFile = video.getMinQualityFile()
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const fileWithVideoOrPlaylist = inputVideoFile.withVideoOrPlaylist(video)
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const result = await VideoPathManager.Instance.makeAvailableVideoFile(fileWithVideoOrPlaylist, async audioInputPath => {
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const videoOutputPath = 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: videoOutputPath,
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inputFileMutexReleaser,
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audioPath: audioInputPath,
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resolution,
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fps
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}
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try {
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await buildFFmpegVOD(job).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.resolution = resolution
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inputVideoFile.filename = generateWebTorrentVideoFilename(inputVideoFile.resolution, newExtname)
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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 getVideoStreamDuration(videoOutputPath)
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await video.save()
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return onWebTorrentVideoFileTranscoding({
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video,
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videoFile: inputVideoFile,
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videoOutputPath
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})
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})
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return result
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} finally {
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inputFileMutexReleaser()
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}
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}
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export async function onWebTorrentVideoFileTranscoding (options: {
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video: MVideoFullLight
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videoFile: MVideoFile
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videoOutputPath: string
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}) {
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const { video, videoFile, videoOutputPath } = options
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const mutexReleaser = await VideoPathManager.Instance.lockFiles(video.uuid)
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try {
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await video.reload()
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const outputPath = VideoPathManager.Instance.getFSVideoFileOutputPath(video, videoFile)
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const stats = await stat(videoOutputPath)
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const probe = await ffprobePromise(videoOutputPath)
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const fps = await getVideoStreamFPS(videoOutputPath, probe)
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const metadata = await buildFileMetadata(videoOutputPath, probe)
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await move(videoOutputPath, 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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const oldFile = await VideoFileModel.loadWebTorrentFile({ videoId: video.id, fps: videoFile.fps, resolution: videoFile.resolution })
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if (oldFile) await video.removeWebTorrentFile(oldFile)
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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, videoFile }
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} finally {
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mutexReleaser()
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}
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}
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// ---------------------------------------------------------------------------
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function buildOriginalFileResolution (inputResolution: number) {
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if (CONFIG.TRANSCODING.ALWAYS_TRANSCODE_ORIGINAL_RESOLUTION === true) {
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return toEven(inputResolution)
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}
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const resolutions = computeResolutionsToTranscode({
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input: inputResolution,
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type: 'vod',
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includeInput: false,
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strictLower: false,
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// We don't really care about the audio resolution in this context
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hasAudio: true
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})
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if (resolutions.length === 0) {
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return toEven(inputResolution)
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}
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return Math.max(...resolutions)
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}
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