7 files changed, 29 insertions, 17 deletions

diff --git a/scripts/create-transcoding-job.ts b/scripts/create-transcoding-job.ts
index ffdf55ae4..c77a5805f 100755
--- a/scripts/create-transcoding-job.ts
+++ b/scripts/create-transcoding-job.ts
@@ -49,11 +49,14 @@ async function run () {
   const dataInput: VideoTranscodingPayload[] = []
   const maxResolution = video.getMaxQualityFile().resolution
 
+  // FIXME: check the file has audio
+  const hasAudio = true
+
   // Generate HLS files
   if (options.generateHls || CONFIG.TRANSCODING.WEBTORRENT.ENABLED === false) {
     const resolutionsEnabled = options.resolution
       ? [ parseInt(options.resolution) ]
-      : computeResolutionsToTranscode({ input: maxResolution, type: 'vod', includeInput: true, strictLower: false })
+      : computeResolutionsToTranscode({ input: maxResolution, type: 'vod', includeInput: true, strictLower: false, hasAudio })
 
     for (const resolution of resolutionsEnabled) {
       dataInput.push({
@@ -61,7 +64,7 @@ async function run () {
         videoUUID: video.uuid,
         resolution,
 
-        hasAudio: true,
+        hasAudio,
 
         copyCodecs: false,
         isNewVideo: false,
@@ -77,8 +80,7 @@ async function run () {
 
         createHLSIfNeeded: true,
 
-        // FIXME: check the file has audio
-        hasAudio: true,
+        hasAudio,
 
         isNewVideo: false,
         resolution: parseInt(options.resolution)
diff --git a/server/controllers/api/videos/transcoding.ts b/server/controllers/api/videos/transcoding.ts
index 9aca761c1..a39e47dfe 100644
--- a/server/controllers/api/videos/transcoding.ts
+++ b/server/controllers/api/videos/transcoding.ts
@@ -32,9 +32,10 @@ async function createTranscoding (req: express.Request, res: express.Response) {
 
   const body: VideoTranscodingCreate = req.body
 
-  const { resolution: maxResolution, audioStream } = await video.probeMaxQualityFile()
+  const { resolution: maxResolution, hasAudio } = await video.probeMaxQualityFile()
+
   const resolutions = await Hooks.wrapObject(
-    computeResolutionsToTranscode({ input: maxResolution, type: 'vod', includeInput: true, strictLower: false }),
+    computeResolutionsToTranscode({ input: maxResolution, type: 'vod', includeInput: true, strictLower: false, hasAudio }),
     'filter:transcoding.manual.resolutions-to-transcode.result',
     body
   )
@@ -46,7 +47,6 @@ async function createTranscoding (req: express.Request, res: express.Response) {
   video.state = VideoState.TO_TRANSCODE
   await video.save()
 
-  const hasAudio = !!audioStream
   const childrenResolutions = resolutions.filter(r => r !== maxResolution)
 
   const children = await Bluebird.mapSeries(childrenResolutions, resolution => {
diff --git a/server/helpers/ffmpeg/ffprobe-utils.ts b/server/helpers/ffmpeg/ffprobe-utils.ts
index 2c6253d44..8cfdba4f9 100644
--- a/server/helpers/ffmpeg/ffprobe-utils.ts
+++ b/server/helpers/ffmpeg/ffprobe-utils.ts
@@ -96,8 +96,9 @@ function computeResolutionsToTranscode (options: {
   type: 'vod' | 'live'
   includeInput: boolean
   strictLower: boolean
+  hasAudio: boolean
 }) {
-  const { input, type, includeInput, strictLower } = options
+  const { input, type, includeInput, strictLower, hasAudio } = options
 
   const configResolutions = type === 'vod'
     ? CONFIG.TRANSCODING.RESOLUTIONS
@@ -125,6 +126,8 @@ function computeResolutionsToTranscode (options: {
     if (input < resolution) continue
     // We only want lower resolutions than input file
     if (strictLower && input === resolution) continue
+    // Audio resolutio but no audio in the video
+    if (resolution === VideoResolution.H_NOVIDEO && !hasAudio) continue
 
     resolutionsEnabled.add(resolution)
   }
diff --git a/server/lib/job-queue/handlers/video-transcoding.ts b/server/lib/job-queue/handlers/video-transcoding.ts
index 48c675678..3e6d23363 100644
--- a/server/lib/job-queue/handlers/video-transcoding.ts
+++ b/server/lib/job-queue/handlers/video-transcoding.ts
@@ -13,7 +13,6 @@ import {
   MergeAudioTranscodingPayload,
   NewWebTorrentResolutionTranscodingPayload,
   OptimizeTranscodingPayload,
-  VideoResolution,
   VideoTranscodingPayload
 } from '@shared/models'
 import { retryTransactionWrapper } from '../../../helpers/database-utils'
@@ -281,7 +280,7 @@ async function createLowerResolutionsJobs (options: {
 
   // Create transcoding jobs if there are enabled resolutions
   const resolutionsEnabled = await Hooks.wrapObject(
-    computeResolutionsToTranscode({ input: videoFileResolution, type: 'vod', includeInput: false, strictLower: true }),
+    computeResolutionsToTranscode({ input: videoFileResolution, type: 'vod', includeInput: false, strictLower: true, hasAudio }),
     'filter:transcoding.auto.resolutions-to-transcode.result',
     options
   )
@@ -289,8 +288,6 @@ async function createLowerResolutionsJobs (options: {
   const resolutionCreated: string[] = []
 
   for (const resolution of resolutionsEnabled) {
-    if (resolution === VideoResolution.H_NOVIDEO && hasAudio === false) continue
-
     let dataInput: VideoTranscodingPayload
 
     if (CONFIG.TRANSCODING.WEBTORRENT.ENABLED && type === 'webtorrent') {
diff --git a/server/lib/live/live-manager.ts b/server/lib/live/live-manager.ts
index 9470b530b..5e459f3c3 100644
--- a/server/lib/live/live-manager.ts
+++ b/server/lib/live/live-manager.ts
@@ -245,7 +245,7 @@ class LiveManager {
     )
 
     const allResolutions = await Hooks.wrapObject(
-      this.buildAllResolutionsToTranscode(resolution),
+      this.buildAllResolutionsToTranscode(resolution, hasAudio),
       'filter:transcoding.auto.resolutions-to-transcode.result',
       { video }
     )
@@ -460,11 +460,11 @@ class LiveManager {
     return join(directory, files.sort().reverse()[0])
   }
 
-  private buildAllResolutionsToTranscode (originResolution: number) {
+  private buildAllResolutionsToTranscode (originResolution: number, hasAudio: boolean) {
     const includeInput = CONFIG.LIVE.TRANSCODING.ALWAYS_TRANSCODE_ORIGINAL_RESOLUTION
 
     const resolutionsEnabled = CONFIG.LIVE.TRANSCODING.ENABLED
-      ? computeResolutionsToTranscode({ input: originResolution, type: 'live', includeInput, strictLower: false })
+      ? computeResolutionsToTranscode({ input: originResolution, type: 'live', includeInput, strictLower: false, hasAudio })
       : []
 
     if (resolutionsEnabled.length === 0) {
diff --git a/server/lib/transcoding/transcoding.ts b/server/lib/transcoding/transcoding.ts
index d83c5419f..e6914db87 100644
--- a/server/lib/transcoding/transcoding.ts
+++ b/server/lib/transcoding/transcoding.ts
@@ -446,7 +446,15 @@ async function generateHlsPlaylistCommon (options: {
 function buildOriginalFileResolution (inputResolution: number) {
   if (CONFIG.TRANSCODING.ALWAYS_TRANSCODE_ORIGINAL_RESOLUTION === true) return toEven(inputResolution)
 
-  const resolutions = computeResolutionsToTranscode({ input: inputResolution, type: 'vod', includeInput: false, strictLower: false })
+  const resolutions = computeResolutionsToTranscode({
+    input: inputResolution,
+    type: 'vod',
+    includeInput: false,
+    strictLower: false,
+    // We don't really care about the audio resolution in this context
+    hasAudio: true
+  })
+
   if (resolutions.length === 0) return toEven(inputResolution)
 
   return Math.max(...resolutions)
diff --git a/server/models/video/video.ts b/server/models/video/video.ts
index f3907bed4..56cc45cfe 100644
--- a/server/models/video/video.ts
+++ b/server/models/video/video.ts
@@ -34,7 +34,7 @@ import { isVideoInPrivateDirectory } from '@server/lib/video-privacy'
 import { getServerActor } from '@server/models/application/application'
 import { ModelCache } from '@server/models/model-cache'
 import { buildVideoEmbedPath, buildVideoWatchPath, pick } from '@shared/core-utils'
-import { ffprobePromise, getAudioStream, uuidToShort } from '@shared/extra-utils'
+import { ffprobePromise, getAudioStream, hasAudioStream, uuidToShort } from '@shared/extra-utils'
 import {
   ResultList,
   ThumbnailType,
@@ -1751,9 +1751,11 @@ export class VideoModel extends Model<Partial<AttributesOnly<VideoModel>>> {
       const probe = await ffprobePromise(originalFilePath)
 
       const { audioStream } = await getAudioStream(originalFilePath, probe)
+      const hasAudio = await hasAudioStream(originalFilePath, probe)
 
       return {
         audioStream,
+        hasAudio,
 
         ...await getVideoStreamDimensionsInfo(originalFilePath, probe)
       }