132 lines
4.6 KiB
TypeScript
132 lines
4.6 KiB
TypeScript
import { HLS_STREAMING_PLAYLIST_DIRECTORY, P2P_MEDIA_LOADER_PEER_VERSION, WEBSERVER } from '../initializers/constants'
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import { join } from 'path'
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import { getVideoFileFPS, transcode } from '../helpers/ffmpeg-utils'
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import { ensureDir, move, remove, stat } from 'fs-extra'
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import { logger } from '../helpers/logger'
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import { VideoResolution } from '../../shared/models/videos'
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import { VideoFileModel } from '../models/video/video-file'
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import { VideoModel } from '../models/video/video'
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import { updateMasterHLSPlaylist, updateSha256Segments } from './hls'
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import { VideoStreamingPlaylistModel } from '../models/video/video-streaming-playlist'
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import { VideoStreamingPlaylistType } from '../../shared/models/videos/video-streaming-playlist.type'
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import { CONFIG } from '../initializers/config'
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async function optimizeVideofile (video: VideoModel, inputVideoFileArg?: VideoFileModel) {
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const videosDirectory = CONFIG.STORAGE.VIDEOS_DIR
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const newExtname = '.mp4'
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const inputVideoFile = inputVideoFileArg ? inputVideoFileArg : video.getOriginalFile()
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const videoInputPath = join(videosDirectory, video.getVideoFilename(inputVideoFile))
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const videoTranscodedPath = join(videosDirectory, video.id + '-transcoded' + newExtname)
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const transcodeOptions = {
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inputPath: videoInputPath,
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outputPath: videoTranscodedPath,
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resolution: inputVideoFile.resolution
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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 file extension
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inputVideoFile.set('extname', newExtname)
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const videoOutputPath = video.getVideoFilePath(inputVideoFile)
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await move(videoTranscodedPath, videoOutputPath)
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const stats = await stat(videoOutputPath)
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const fps = await getVideoFileFPS(videoOutputPath)
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inputVideoFile.set('size', stats.size)
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inputVideoFile.set('fps', fps)
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await video.createTorrentAndSetInfoHash(inputVideoFile)
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await inputVideoFile.save()
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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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async function transcodeOriginalVideofile (video: VideoModel, resolution: VideoResolution, isPortrait: boolean) {
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const videosDirectory = CONFIG.STORAGE.VIDEOS_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 = join(videosDirectory, video.getVideoFilename(video.getOriginalFile()))
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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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videoId: video.id
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})
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const videoOutputPath = join(CONFIG.STORAGE.VIDEOS_DIR, video.getVideoFilename(newVideoFile))
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const transcodeOptions = {
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inputPath: videoInputPath,
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outputPath: videoOutputPath,
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resolution,
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isPortraitMode: isPortrait
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}
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await transcode(transcodeOptions)
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const stats = await stat(videoOutputPath)
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const fps = await getVideoFileFPS(videoOutputPath)
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newVideoFile.set('size', stats.size)
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newVideoFile.set('fps', fps)
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await video.createTorrentAndSetInfoHash(newVideoFile)
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await newVideoFile.save()
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video.VideoFiles.push(newVideoFile)
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}
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async function generateHlsPlaylist (video: VideoModel, resolution: VideoResolution, isPortraitMode: boolean) {
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const baseHlsDirectory = join(HLS_STREAMING_PLAYLIST_DIRECTORY, video.uuid)
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await ensureDir(join(HLS_STREAMING_PLAYLIST_DIRECTORY, video.uuid))
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const videoInputPath = join(CONFIG.STORAGE.VIDEOS_DIR, video.getVideoFilename(video.getOriginalFile()))
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const outputPath = join(baseHlsDirectory, VideoStreamingPlaylistModel.getHlsPlaylistFilename(resolution))
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const transcodeOptions = {
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inputPath: videoInputPath,
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outputPath,
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resolution,
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isPortraitMode,
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hlsPlaylist: {
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videoFilename: VideoStreamingPlaylistModel.getHlsVideoName(video.uuid, resolution)
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}
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}
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await transcode(transcodeOptions)
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await updateMasterHLSPlaylist(video)
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await updateSha256Segments(video)
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const playlistUrl = WEBSERVER.URL + VideoStreamingPlaylistModel.getHlsMasterPlaylistStaticPath(video.uuid)
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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),
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p2pMediaLoaderInfohashes: VideoStreamingPlaylistModel.buildP2PMediaLoaderInfoHashes(playlistUrl, video.VideoFiles),
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p2pMediaLoaderPeerVersion: P2P_MEDIA_LOADER_PEER_VERSION,
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type: VideoStreamingPlaylistType.HLS
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})
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}
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export {
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generateHlsPlaylist,
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optimizeVideofile,
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transcodeOriginalVideofile
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}
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