4 files changed, 26 insertions, 12 deletions

diff --git a/server/helpers/ffmpeg-utils.ts b/server/helpers/ffmpeg-utils.ts
index 9d6fe76cb..bf6408d3e 100644
--- a/server/helpers/ffmpeg-utils.ts
+++ b/server/helpers/ffmpeg-utils.ts
@@ -137,6 +137,8 @@ interface HLSTranscodeOptions extends BaseTranscodeOptions {
 interface HLSFromTSTranscodeOptions extends BaseTranscodeOptions {
   type: 'hls-from-ts'
 
+  isAAC: boolean
+
   hlsPlaylist: {
     videoFilename: string
   }
@@ -456,9 +458,12 @@ async function buildHLSVODFromTSCommand (command: ffmpeg.FfmpegCommand, options:
   const videoPath = getHLSVideoPath(options)
 
   command.outputOption('-c copy')
-  // Required for example when copying an AAC stream from an MPEG-TS
-  // Since it's a bitstream filter, we don't need to reencode the audio
-  command.outputOption('-bsf:a aac_adtstoasc')
+
+  if (options.isAAC) {
+    // Required for example when copying an AAC stream from an MPEG-TS
+    // Since it's a bitstream filter, we don't need to reencode the audio
+    command.outputOption('-bsf:a aac_adtstoasc')
+  }
 
   addCommonHLSVODCommandOptions(command, videoPath)
 
diff --git a/server/lib/job-queue/handlers/video-live-ending.ts b/server/lib/job-queue/handlers/video-live-ending.ts
index 4daf9249b..e10e306a7 100644
--- a/server/lib/job-queue/handlers/video-live-ending.ts
+++ b/server/lib/job-queue/handlers/video-live-ending.ts
@@ -1,8 +1,9 @@
 import * as Bull from 'bull'
-import { copy, pathExists, readdir, remove } from 'fs-extra'
+import { pathExists, readdir, remove } from 'fs-extra'
 import { join } from 'path'
-import { getDurationFromVideoFile, getVideoFileResolution } from '@server/helpers/ffprobe-utils'
+import { ffprobePromise, getAudioStream, getAudioStreamCodec, getDurationFromVideoFile, getVideoFileResolution } from '@server/helpers/ffprobe-utils'
 import { VIDEO_LIVE } from '@server/initializers/constants'
+import { LiveManager } from '@server/lib/live-manager'
 import { generateVideoMiniature } from '@server/lib/thumbnail'
 import { publishAndFederateIfNeeded } from '@server/lib/video'
 import { getHLSDirectory } from '@server/lib/video-paths'
@@ -14,7 +15,6 @@ import { VideoStreamingPlaylistModel } from '@server/models/video/video-streamin
 import { MStreamingPlaylist, MVideo, MVideoLive } from '@server/types/models'
 import { ThumbnailType, VideoLiveEndingPayload, VideoState } from '@shared/models'
 import { logger } from '../../../helpers/logger'
-import { LiveManager } from '@server/lib/live-manager'
 
 async function processVideoLiveEnding (job: Bull.Job) {
   const payload = job.data as VideoLiveEndingPayload
@@ -106,13 +106,17 @@ async function saveLive (video: MVideo, live: MVideoLive) {
     const concatenatedTsFile = LiveManager.Instance.buildConcatenatedName(playlistFile)
     const concatenatedTsFilePath = join(replayDirectory, concatenatedTsFile)
 
-    const { videoFileResolution, isPortraitMode } = await getVideoFileResolution(concatenatedTsFilePath)
+    const probe = await ffprobePromise(concatenatedTsFilePath)
+    const { audioStream } = await getAudioStream(concatenatedTsFilePath, probe)
+
+    const { videoFileResolution, isPortraitMode } = await getVideoFileResolution(concatenatedTsFilePath, probe)
 
     const outputPath = await generateHlsPlaylistFromTS({
       video: videoWithFiles,
       concatenatedTsFilePath,
       resolution: videoFileResolution,
-      isPortraitMode
+      isPortraitMode,
+      isAAC: audioStream?.codec_name === 'aac'
     })
 
     if (!durationDone) {
diff --git a/server/lib/live-manager.ts b/server/lib/live-manager.ts
index c2dd116a9..ef50e3cdb 100644
--- a/server/lib/live-manager.ts
+++ b/server/lib/live-manager.ts
@@ -1,7 +1,8 @@
 
+import * as Bluebird from 'bluebird'
 import * as chokidar from 'chokidar'
 import { FfmpegCommand } from 'fluent-ffmpeg'
-import { appendFile, copy, ensureDir, readFile, stat } from 'fs-extra'
+import { appendFile, ensureDir, readFile, stat } from 'fs-extra'
 import { basename, join } from 'path'
 import { isTestInstance } from '@server/helpers/core-utils'
 import { getLiveMuxingCommand, getLiveTranscodingCommand } from '@server/helpers/ffmpeg-utils'
@@ -24,7 +25,6 @@ import { PeerTubeSocket } from './peertube-socket'
 import { isAbleToUploadVideo } from './user'
 import { getHLSDirectory } from './video-paths'
 import { availableEncoders } from './video-transcoding-profiles'
-import * as Bluebird from 'bluebird'
 
 import memoizee = require('memoizee')
 
diff --git a/server/lib/video-transcoding.ts b/server/lib/video-transcoding.ts
index 44ecf4cc9..e7108bd5a 100644
--- a/server/lib/video-transcoding.ts
+++ b/server/lib/video-transcoding.ts
@@ -169,13 +169,15 @@ async function generateHlsPlaylistFromTS (options: {
   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'
+    type: 'hls-from-ts' as 'hls-from-ts',
+    isAAC: options.isAAC
   })
 }
 
@@ -234,9 +236,10 @@ async function generateHlsPlaylistCommon (options: {
   inputPath: string
   resolution: VideoResolution
   copyCodecs?: boolean
+  isAAC?: boolean
   isPortraitMode: boolean
 }) {
-  const { type, video, inputPath, resolution, copyCodecs, isPortraitMode } = options
+  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))
@@ -257,6 +260,8 @@ async function generateHlsPlaylistCommon (options: {
     copyCodecs,
     isPortraitMode,
 
+    isAAC,
+
     hlsPlaylist: {
       videoFilename
     }