import { basename, extname as extnameUtil, join } from 'path'
import { createTorrentAndSetInfoHash } from '@server/helpers/webtorrent'
import { MStreamingPlaylistFilesVideo, MVideoFile, MVideoWithAllFiles, MVideoWithFile } from '@server/types/models'
-import { getTargetBitrate, VideoResolution } from '../../shared/models/videos'
+import { VideoResolution } from '../../shared/models/videos'
import { VideoStreamingPlaylistType } from '../../shared/models/videos/video-streaming-playlist.type'
-import { AvailableEncoders, EncoderOptionsBuilder, transcode, TranscodeOptions, TranscodeOptionsType } from '../helpers/ffmpeg-utils'
-import {
- canDoQuickTranscode,
- getAudioStream,
- getDurationFromVideoFile,
- getMaxAudioBitrate,
- getMetadataFromFile,
- getVideoFileBitrate,
- getVideoFileFPS
-} from '../helpers/ffprobe-utils'
+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,
- VIDEO_TRANSCODING_FPS,
- WEBSERVER
-} from '../initializers/constants'
+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 { availableEncoders } from './video-transcoding-profiles'
/**
- * Optimize the original video file and replace it. The resolution is not changed.
+ *
+ * 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, inputVideoFileArg?: MVideoFile) {
const transcodeDirectory = CONFIG.STORAGE.TMP_DIR
const newExtname = '.mp4'
}
}
-/**
- * Transcode the original video file to a lower resolution.
- */
+// Transcode the original video file to a lower resolution.
async function transcodeNewResolution (video: MVideoWithFile, resolution: VideoResolution, isPortrait: boolean) {
const transcodeDirectory = CONFIG.STORAGE.TMP_DIR
const extname = '.mp4'
return onVideoFileTranscoding(video, newVideoFile, videoTranscodedPath, videoOutputPath)
}
+// Merge an image with an audio file to create a video
async function mergeAudioVideofile (video: MVideoWithAllFiles, resolution: VideoResolution) {
const transcodeDirectory = CONFIG.STORAGE.TMP_DIR
const newExtname = '.mp4'
return onVideoFileTranscoding(video, inputVideoFile, videoTranscodedPath, videoOutputPath)
}
-async function generateHlsPlaylist (options: {
+// Concat TS segments from a live video to a fragmented mp4 HLS playlist
+async function generateHlsPlaylistFromTS (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 generateHlsPlaylist (options: {
video: MVideoWithFile
videoInputPath: string
resolution: VideoResolution
copyCodecs: boolean
isPortraitMode: boolean
}) {
- const { video, videoInputPath, resolution, copyCodecs, isPortraitMode } = options
+ return generateHlsPlaylistCommon({
+ video: options.video,
+ resolution: options.resolution,
+ copyCodecs: options.copyCodecs,
+ isPortraitMode: options.isPortraitMode,
+ inputPath: options.videoInputPath,
+ type: 'hls' as 'hls'
+ })
+}
+
+// ---------------------------------------------------------------------------
+
+export {
+ generateHlsPlaylist,
+ generateHlsPlaylistFromTS,
+ optimizeOriginalVideofile,
+ transcodeNewResolution,
+ mergeAudioVideofile
+}
+
+// ---------------------------------------------------------------------------
+
+async function onVideoFileTranscoding (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
+}) {
+ const { type, video, inputPath, resolution, copyCodecs, isPortraitMode, isAAC } = options
const baseHlsDirectory = join(HLS_STREAMING_PLAYLIST_DIRECTORY, video.uuid)
await ensureDir(join(HLS_STREAMING_PLAYLIST_DIRECTORY, video.uuid))
const videoFilename = generateVideoStreamingPlaylistName(video.uuid, resolution)
const transcodeOptions = {
- type: 'hls' as 'hls',
+ type,
- inputPath: videoInputPath,
+ inputPath,
outputPath,
availableEncoders,
copyCodecs,
isPortraitMode,
+ isAAC,
+
hlsPlaylist: {
videoFilename
}
await updateMasterHLSPlaylist(video)
await updateSha256VODSegments(video)
- return video
-}
-
-// ---------------------------------------------------------------------------
-// Available encoders profiles
-// ---------------------------------------------------------------------------
-
-const defaultX264OptionsBuilder: EncoderOptionsBuilder = async ({ input, resolution, fps }) => {
- if (!fps) return { outputOptions: [] }
-
- let targetBitrate = getTargetBitrate(resolution, fps, VIDEO_TRANSCODING_FPS)
-
- // Don't transcode to an higher bitrate than the original file
- const fileBitrate = await getVideoFileBitrate(input)
- targetBitrate = Math.min(targetBitrate, fileBitrate)
-
- return {
- outputOptions: [
- // Constrained Encoding (VBV)
- // https://slhck.info/video/2017/03/01/rate-control.html
- // https://trac.ffmpeg.org/wiki/Limiting%20the%20output%20bitrate
- `-maxrate ${targetBitrate}`, `-bufsize ${targetBitrate * 2}`
- ]
- }
-}
-
-const defaultAACOptionsBuilder: EncoderOptionsBuilder = async ({ input }) => {
- const parsedAudio = await getAudioStream(input)
-
- // we try to reduce the ceiling bitrate by making rough matches of bitrates
- // of course this is far from perfect, but it might save some space in the end
-
- const audioCodecName = parsedAudio.audioStream['codec_name']
-
- const bitrate = getMaxAudioBitrate(audioCodecName, parsedAudio.bitrate)
-
- if (bitrate !== undefined && bitrate !== -1) {
- return { outputOptions: [ '-b:a', bitrate + 'k' ] }
- }
-
- return { outputOptions: [] }
-}
-
-const defaultLibFDKAACOptionsBuilder: EncoderOptionsBuilder = () => {
- return { outputOptions: [ '-aq', '5' ] }
-}
-
-const availableEncoders: AvailableEncoders = {
- vod: {
- libx264: {
- default: defaultX264OptionsBuilder
- },
- aac: {
- default: defaultAACOptionsBuilder
- },
- libfdkAAC: {
- default: defaultLibFDKAACOptionsBuilder
- }
- },
- live: {
- libx264: {
- default: defaultX264OptionsBuilder
- },
- aac: {
- default: defaultAACOptionsBuilder
- },
- libfdkAAC: {
- default: defaultLibFDKAACOptionsBuilder
- }
- }
-}
-
-// ---------------------------------------------------------------------------
-
-export {
- generateHlsPlaylist,
- optimizeOriginalVideofile,
- transcodeNewResolution,
- mergeAudioVideofile
-}
-
-// ---------------------------------------------------------------------------
-
-async function onVideoFileTranscoding (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
+ return outputPath
}