X-Git-Url: https://git.immae.eu/?a=blobdiff_plain;f=server%2Flib%2Fvideo-transcoding.ts;h=7af7a481cf83576d34c381e99ade0aca9ed87689;hb=00b87c5791ecd645bb78cbb9872d60e1f957bdfa;hp=0e6a0e9840e12dca5c71445f903875e7de1af632;hpb=9252a33d115bba85adcfbc18ab3725924642871c;p=github%2FChocobozzz%2FPeerTube.git diff --git a/server/lib/video-transcoding.ts b/server/lib/video-transcoding.ts index 0e6a0e984..7af7a481c 100644 --- a/server/lib/video-transcoding.ts +++ b/server/lib/video-transcoding.ts @@ -1,40 +1,33 @@ +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 { 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 + * */ -async function optimizeOriginalVideofile (video: MVideoWithFile, inputVideoFileArg?: MVideoFile) { + +// 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 inputVideoFile = inputVideoFileArg || video.getMaxQualityFile() const videoInputPath = getVideoFilePath(video, inputVideoFile) const videoTranscodedPath = join(transcodeDirectory, video.id + '-transcoded' + newExtname) @@ -51,7 +44,9 @@ async function optimizeOriginalVideofile (video: MVideoWithFile, inputVideoFileA availableEncoders, profile: 'default', - resolution: inputVideoFile.resolution + resolution: inputVideoFile.resolution, + + job } // Could be very long! @@ -65,7 +60,9 @@ async function optimizeOriginalVideofile (video: MVideoWithFile, inputVideoFileA const videoOutputPath = getVideoFilePath(video, inputVideoFile) - await onVideoFileTranscoding(video, inputVideoFile, videoTranscodedPath, videoOutputPath) + 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 })) @@ -74,10 +71,8 @@ async function optimizeOriginalVideofile (video: MVideoWithFile, inputVideoFileA } } -/** - * Transcode the original video file to a lower resolution. - */ -async function transcodeNewResolution (video: MVideoWithFile, resolution: VideoResolution, isPortrait: boolean) { +// 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' @@ -103,7 +98,9 @@ async function transcodeNewResolution (video: MVideoWithFile, resolution: VideoR availableEncoders, profile: 'default', - resolution + resolution, + + job } : { type: 'video' as 'video', @@ -114,15 +111,18 @@ async function transcodeNewResolution (video: MVideoWithFile, resolution: VideoR profile: 'default', resolution, - isPortraitMode: isPortrait + isPortraitMode: isPortrait, + + job } await transcode(transcodeOptions) - return onVideoFileTranscoding(video, newVideoFile, videoTranscodedPath, videoOutputPath) + return onWebTorrentVideoFileTranscoding(video, newVideoFile, videoTranscodedPath, videoOutputPath) } -async function mergeAudioVideofile (video: MVideoWithAllFiles, resolution: VideoResolution) { +// 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' @@ -146,7 +146,9 @@ async function mergeAudioVideofile (video: MVideoWithAllFiles, resolution: Video profile: 'default', audioPath: audioInputPath, - resolution + resolution, + + job } try { @@ -168,17 +170,106 @@ async function mergeAudioVideofile (video: MVideoWithAllFiles, resolution: Video video.duration = await getDurationFromVideoFile(videoTranscodedPath) await video.save() - return onVideoFileTranscoding(video, inputVideoFile, videoTranscodedPath, videoOutputPath) + return onWebTorrentVideoFileTranscoding(video, inputVideoFile, videoTranscodedPath, videoOutputPath) } -async function generateHlsPlaylist (options: { +// 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 { video, videoInputPath, resolution, copyCodecs, isPortraitMode } = options + const { type, video, inputPath, resolution, copyCodecs, isPortraitMode, isAAC, job } = options const baseHlsDirectory = join(HLS_STREAMING_PLAYLIST_DIRECTORY, video.uuid) await ensureDir(join(HLS_STREAMING_PLAYLIST_DIRECTORY, video.uuid)) @@ -187,9 +278,9 @@ async function generateHlsPlaylist (options: { const videoFilename = generateVideoStreamingPlaylistName(video.uuid, resolution) const transcodeOptions = { - type: 'hls' as 'hls', + type, - inputPath: videoInputPath, + inputPath, outputPath, availableEncoders, @@ -199,9 +290,13 @@ async function generateHlsPlaylist (options: { copyCodecs, isPortraitMode, + isAAC, + hlsPlaylist: { videoFilename - } + }, + + job } await transcode(transcodeOptions) @@ -249,104 +344,5 @@ async function generateHlsPlaylist (options: { 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 }