Transcode audio uploads to lower resolutions

Better consistency

2 files changed, 521 insertions, 423 deletions

diff --git a/server/lib/job-queue/handlers/video-transcoding.ts b/server/lib/job-queue/handlers/video-transcoding.ts
index 8f88f0a8a..853cfebcd 100644
--- a/server/lib/job-queue/handlers/video-transcoding.ts
+++ b/server/lib/job-queue/handlers/video-transcoding.ts
@@ -111,6 +111,8 @@ async function handleWebTorrentMergeAudioJob (job: Bull.Job, payload: MergeAudio
   await mergeAudioVideofile(video, payload.resolution, job)
 
   await retryTransactionWrapper(onNewWebTorrentFileResolution, video, user, payload)
+
+  await createLowerResolutionsJobs(video, user, payload.resolution, false)
 }
 
 async function handleWebTorrentOptimizeJob (job: Bull.Job, payload: OptimizeTranscodingPayload, video: MVideoFullLight, user: MUserId) {
diff --git a/server/tests/api/videos/video-transcoder.ts b/server/tests/api/videos/video-transcoder.ts
index 5ad02df2f..1058baaa3 100644
--- a/server/tests/api/videos/video-transcoder.ts
+++ b/server/tests/api/videos/video-transcoder.ts
@@ -43,6 +43,28 @@ import {
 
 const expect = chai.expect
 
+function updateConfigForTranscoding (server: ServerInfo) {
+  return updateCustomSubConfig(server.url, server.accessToken, {
+    transcoding: {
+      enabled: true,
+      allowAdditionalExtensions: true,
+      allowAudioFiles: true,
+      hls: { enabled: true },
+      webtorrent: { enabled: true },
+      resolutions: {
+        '0p': false,
+        '240p': true,
+        '360p': true,
+        '480p': true,
+        '720p': true,
+        '1080p': true,
+        '1440p': true,
+        '2160p': true
+      }
+    }
+  })
+}
+
 describe('Test video transcoding', function () {
   let servers: ServerInfo[] = []
   let video4k: string
@@ -56,585 +78,659 @@ describe('Test video transcoding', function () {
     await setAccessTokensToServers(servers)
 
     await doubleFollow(servers[0], servers[1])
+
+    await updateConfigForTranscoding(servers[1])
   })
 
-  it('Should not transcode video on server 1', async function () {
-    this.timeout(60_000)
+  describe('Basic transcoding (or not)', function () {
 
-    const videoAttributes = {
-      name: 'my super name for server 1',
-      description: 'my super description for server 1',
-      fixture: 'video_short.webm'
-    }
-    await uploadVideo(servers[0].url, servers[0].accessToken, videoAttributes)
+    it('Should not transcode video on server 1', async function () {
+      this.timeout(60_000)
 
-    await waitJobs(servers)
+      const videoAttributes = {
+        name: 'my super name for server 1',
+        description: 'my super description for server 1',
+        fixture: 'video_short.webm'
+      }
+      await uploadVideo(servers[0].url, servers[0].accessToken, videoAttributes)
 
-    for (const server of servers) {
-      const res = await getVideosList(server.url)
-      const video = res.body.data[0]
+      await waitJobs(servers)
 
-      const res2 = await getVideo(server.url, video.id)
-      const videoDetails = res2.body
-      expect(videoDetails.files).to.have.lengthOf(1)
+      for (const server of servers) {
+        const res = await getVideosList(server.url)
+        const video = res.body.data[0]
 
-      const magnetUri = videoDetails.files[0].magnetUri
-      expect(magnetUri).to.match(/\.webm/)
+        const res2 = await getVideo(server.url, video.id)
+        const videoDetails = res2.body
+        expect(videoDetails.files).to.have.lengthOf(1)
 
-      const torrent = await webtorrentAdd(magnetUri, true)
-      expect(torrent.files).to.be.an('array')
-      expect(torrent.files.length).to.equal(1)
-      expect(torrent.files[0].path).match(/\.webm$/)
-    }
-  })
+        const magnetUri = videoDetails.files[0].magnetUri
+        expect(magnetUri).to.match(/\.webm/)
 
-  it('Should transcode video on server 2', async function () {
-    this.timeout(120_000)
+        const torrent = await webtorrentAdd(magnetUri, true)
+        expect(torrent.files).to.be.an('array')
+        expect(torrent.files.length).to.equal(1)
+        expect(torrent.files[0].path).match(/\.webm$/)
+      }
+    })
 
-    const videoAttributes = {
-      name: 'my super name for server 2',
-      description: 'my super description for server 2',
-      fixture: 'video_short.webm'
-    }
-    await uploadVideo(servers[1].url, servers[1].accessToken, videoAttributes)
+    it('Should transcode video on server 2', async function () {
+      this.timeout(120_000)
+
+      const videoAttributes = {
+        name: 'my super name for server 2',
+        description: 'my super description for server 2',
+        fixture: 'video_short.webm'
+      }
+      await uploadVideo(servers[1].url, servers[1].accessToken, videoAttributes)
+
+      await waitJobs(servers)
+
+      for (const server of servers) {
+        const res = await getVideosList(server.url)
 
-    await waitJobs(servers)
+        const video = res.body.data.find(v => v.name === videoAttributes.name)
+        const res2 = await getVideo(server.url, video.id)
+        const videoDetails = res2.body
 
-    for (const server of servers) {
-      const res = await getVideosList(server.url)
+        expect(videoDetails.files).to.have.lengthOf(4)
 
-      const video = res.body.data.find(v => v.name === videoAttributes.name)
-      const res2 = await getVideo(server.url, video.id)
-      const videoDetails = res2.body
+        const magnetUri = videoDetails.files[0].magnetUri
+        expect(magnetUri).to.match(/\.mp4/)
 
-      expect(videoDetails.files).to.have.lengthOf(4)
+        const torrent = await webtorrentAdd(magnetUri, true)
+        expect(torrent.files).to.be.an('array')
+        expect(torrent.files.length).to.equal(1)
+        expect(torrent.files[0].path).match(/\.mp4$/)
+      }
+    })
 
-      const magnetUri = videoDetails.files[0].magnetUri
-      expect(magnetUri).to.match(/\.mp4/)
+    it('Should wait for transcoding before publishing the video', async function () {
+      this.timeout(160_000)
 
-      const torrent = await webtorrentAdd(magnetUri, true)
-      expect(torrent.files).to.be.an('array')
-      expect(torrent.files.length).to.equal(1)
-      expect(torrent.files[0].path).match(/\.mp4$/)
-    }
-  })
+      {
+        // Upload the video, but wait transcoding
+        const videoAttributes = {
+          name: 'waiting video',
+          fixture: 'video_short1.webm',
+          waitTranscoding: true
+        }
+        const resVideo = await uploadVideo(servers[1].url, servers[1].accessToken, videoAttributes)
+        const videoId = resVideo.body.video.uuid
+
+        // Should be in transcode state
+        const { body } = await getVideo(servers[1].url, videoId)
+        expect(body.name).to.equal('waiting video')
+        expect(body.state.id).to.equal(VideoState.TO_TRANSCODE)
+        expect(body.state.label).to.equal('To transcode')
+        expect(body.waitTranscoding).to.be.true
+
+        // Should have my video
+        const resMyVideos = await getMyVideos(servers[1].url, servers[1].accessToken, 0, 10)
+        const videoToFindInMine = resMyVideos.body.data.find(v => v.name === videoAttributes.name)
+        expect(videoToFindInMine).not.to.be.undefined
+        expect(videoToFindInMine.state.id).to.equal(VideoState.TO_TRANSCODE)
+        expect(videoToFindInMine.state.label).to.equal('To transcode')
+        expect(videoToFindInMine.waitTranscoding).to.be.true
+
+        // Should not list this video
+        const resVideos = await getVideosList(servers[1].url)
+        const videoToFindInList = resVideos.body.data.find(v => v.name === videoAttributes.name)
+        expect(videoToFindInList).to.be.undefined
+
+        // Server 1 should not have the video yet
+        await getVideo(servers[0].url, videoId, HttpStatusCode.NOT_FOUND_404)
+      }
 
-  it('Should transcode high bit rate mp3 to proper bit rate', async function () {
-    this.timeout(60_000)
+      await waitJobs(servers)
 
-    const videoAttributes = {
-      name: 'mp3_256k',
-      fixture: 'video_short_mp3_256k.mp4'
-    }
-    await uploadVideo(servers[1].url, servers[1].accessToken, videoAttributes)
+      for (const server of servers) {
+        const res = await getVideosList(server.url)
+        const videoToFind = res.body.data.find(v => v.name === 'waiting video')
+        expect(videoToFind).not.to.be.undefined
 
-    await waitJobs(servers)
+        const res2 = await getVideo(server.url, videoToFind.id)
+        const videoDetails: VideoDetails = res2.body
 
-    for (const server of servers) {
-      const res = await getVideosList(server.url)
+        expect(videoDetails.state.id).to.equal(VideoState.PUBLISHED)
+        expect(videoDetails.state.label).to.equal('Published')
+        expect(videoDetails.waitTranscoding).to.be.true
+      }
+    })
 
-      const video = res.body.data.find(v => v.name === videoAttributes.name)
-      const res2 = await getVideo(server.url, video.id)
-      const videoDetails: VideoDetails = res2.body
+    it('Should accept and transcode additional extensions', async function () {
+      this.timeout(300_000)
 
-      expect(videoDetails.files).to.have.lengthOf(4)
+      let tempFixturePath: string
 
-      const path = buildServerDirectory(servers[1], join('videos', video.uuid + '-240.mp4'))
-      const probe = await getAudioStream(path)
+      {
+        tempFixturePath = await generateHighBitrateVideo()
 
-      if (probe.audioStream) {
-        expect(probe.audioStream['codec_name']).to.be.equal('aac')
-        expect(probe.audioStream['bit_rate']).to.be.at.most(384 * 8000)
-      } else {
-        this.fail('Could not retrieve the audio stream on ' + probe.absolutePath)
+        const bitrate = await getVideoFileBitrate(tempFixturePath)
+        expect(bitrate).to.be.above(getMaxBitrate(VideoResolution.H_1080P, 25, VIDEO_TRANSCODING_FPS))
       }
-    }
-  })
 
-  it('Should transcode video with no audio and have no audio itself', async function () {
-    this.timeout(60_000)
+      for (const fixture of [ 'video_short.mkv', 'video_short.avi' ]) {
+        const videoAttributes = {
+          name: fixture,
+          fixture
+        }
 
-    const videoAttributes = {
-      name: 'no_audio',
-      fixture: 'video_short_no_audio.mp4'
-    }
-    await uploadVideo(servers[1].url, servers[1].accessToken, videoAttributes)
+        await uploadVideo(servers[1].url, servers[1].accessToken, videoAttributes)
 
-    await waitJobs(servers)
+        await waitJobs(servers)
 
-    for (const server of servers) {
-      const res = await getVideosList(server.url)
+        for (const server of servers) {
+          const res = await getVideosList(server.url)
 
-      const video = res.body.data.find(v => v.name === videoAttributes.name)
-      const res2 = await getVideo(server.url, video.id)
-      const videoDetails: VideoDetails = res2.body
+          const video = res.body.data.find(v => v.name === videoAttributes.name)
+          const res2 = await getVideo(server.url, video.id)
+          const videoDetails = res2.body
 
-      expect(videoDetails.files).to.have.lengthOf(4)
-      const path = buildServerDirectory(servers[1], join('videos', video.uuid + '-240.mp4'))
-      const probe = await getAudioStream(path)
-      expect(probe).to.not.have.property('audioStream')
-    }
-  })
+          expect(videoDetails.files).to.have.lengthOf(4)
 
-  it('Should leave the audio untouched, but properly transcode the video', async function () {
-    this.timeout(60_000)
+          const magnetUri = videoDetails.files[0].magnetUri
+          expect(magnetUri).to.contain('.mp4')
+        }
+      }
+    })
 
-    const videoAttributes = {
-      name: 'untouched_audio',
-      fixture: 'video_short.mp4'
-    }
-    await uploadVideo(servers[1].url, servers[1].accessToken, videoAttributes)
+    it('Should transcode a 4k video', async function () {
+      this.timeout(200_000)
 
-    await waitJobs(servers)
+      const videoAttributes = {
+        name: '4k video',
+        fixture: 'video_short_4k.mp4'
+      }
 
-    for (const server of servers) {
-      const res = await getVideosList(server.url)
+      const resUpload = await uploadVideo(servers[1].url, servers[1].accessToken, videoAttributes)
+      video4k = resUpload.body.video.uuid
 
-      const video = res.body.data.find(v => v.name === videoAttributes.name)
-      const res2 = await getVideo(server.url, video.id)
-      const videoDetails: VideoDetails = res2.body
+      await waitJobs(servers)
 
-      expect(videoDetails.files).to.have.lengthOf(4)
+      const resolutions = [ 240, 360, 480, 720, 1080, 1440, 2160 ]
 
-      const fixturePath = buildAbsoluteFixturePath(videoAttributes.fixture)
-      const fixtureVideoProbe = await getAudioStream(fixturePath)
-      const path = buildServerDirectory(servers[1], join('videos', video.uuid + '-240.mp4'))
+      for (const server of servers) {
+        const res = await getVideo(server.url, video4k)
+        const videoDetails: VideoDetails = res.body
 
-      const videoProbe = await getAudioStream(path)
+        expect(videoDetails.files).to.have.lengthOf(resolutions.length)
 
-      if (videoProbe.audioStream && fixtureVideoProbe.audioStream) {
-        const toOmit = [ 'max_bit_rate', 'duration', 'duration_ts', 'nb_frames', 'start_time', 'start_pts' ]
-        expect(omit(videoProbe.audioStream, toOmit)).to.be.deep.equal(omit(fixtureVideoProbe.audioStream, toOmit))
-      } else {
-        this.fail('Could not retrieve the audio stream on ' + videoProbe.absolutePath)
+        for (const r of resolutions) {
+          expect(videoDetails.files.find(f => f.resolution.id === r)).to.not.be.undefined
+          expect(videoDetails.streamingPlaylists[0].files.find(f => f.resolution.id === r)).to.not.be.undefined
+        }
       }
-    }
+    })
   })
 
-  it('Should transcode a 60 FPS video', async function () {
-    this.timeout(60_000)
+  describe('Audio transcoding', function () {
 
-    const videoAttributes = {
-      name: 'my super 30fps name for server 2',
-      description: 'my super 30fps description for server 2',
-      fixture: '60fps_720p_small.mp4'
-    }
-    await uploadVideo(servers[1].url, servers[1].accessToken, videoAttributes)
+    it('Should transcode high bit rate mp3 to proper bit rate', async function () {
+      this.timeout(60_000)
 
-    await waitJobs(servers)
+      const videoAttributes = {
+        name: 'mp3_256k',
+        fixture: 'video_short_mp3_256k.mp4'
+      }
+      await uploadVideo(servers[1].url, servers[1].accessToken, videoAttributes)
 
-    for (const server of servers) {
-      const res = await getVideosList(server.url)
+      await waitJobs(servers)
 
-      const video = res.body.data.find(v => v.name === videoAttributes.name)
-      const res2 = await getVideo(server.url, video.id)
-      const videoDetails: VideoDetails = res2.body
+      for (const server of servers) {
+        const res = await getVideosList(server.url)
 
-      expect(videoDetails.files).to.have.lengthOf(4)
-      expect(videoDetails.files[0].fps).to.be.above(58).and.below(62)
-      expect(videoDetails.files[1].fps).to.be.below(31)
-      expect(videoDetails.files[2].fps).to.be.below(31)
-      expect(videoDetails.files[3].fps).to.be.below(31)
+        const video = res.body.data.find(v => v.name === videoAttributes.name)
+        const res2 = await getVideo(server.url, video.id)
+        const videoDetails: VideoDetails = res2.body
 
-      for (const resolution of [ '240', '360', '480' ]) {
-        const path = buildServerDirectory(servers[1], join('videos', video.uuid + '-' + resolution + '.mp4'))
-        const fps = await getVideoFileFPS(path)
+        expect(videoDetails.files).to.have.lengthOf(4)
 
-        expect(fps).to.be.below(31)
+        const path = buildServerDirectory(servers[1], join('videos', video.uuid + '-240.mp4'))
+        const probe = await getAudioStream(path)
+
+        if (probe.audioStream) {
+          expect(probe.audioStream['codec_name']).to.be.equal('aac')
+          expect(probe.audioStream['bit_rate']).to.be.at.most(384 * 8000)
+        } else {
+          this.fail('Could not retrieve the audio stream on ' + probe.absolutePath)
+        }
       }
+    })
 
-      const path = buildServerDirectory(servers[1], join('videos', video.uuid + '-720.mp4'))
-      const fps = await getVideoFileFPS(path)
-
-      expect(fps).to.be.above(58).and.below(62)
-    }
-  })
-
-  it('Should wait for transcoding before publishing the video', async function () {
-    this.timeout(160_000)
+    it('Should transcode video with no audio and have no audio itself', async function () {
+      this.timeout(60_000)
 
-    {
-      // Upload the video, but wait transcoding
       const videoAttributes = {
-        name: 'waiting video',
-        fixture: 'video_short1.webm',
-        waitTranscoding: true
-      }
-      const resVideo = await uploadVideo(servers[1].url, servers[1].accessToken, videoAttributes)
-      const videoId = resVideo.body.video.uuid
-
-      // Should be in transcode state
-      const { body } = await getVideo(servers[1].url, videoId)
-      expect(body.name).to.equal('waiting video')
-      expect(body.state.id).to.equal(VideoState.TO_TRANSCODE)
-      expect(body.state.label).to.equal('To transcode')
-      expect(body.waitTranscoding).to.be.true
-
-      // Should have my video
-      const resMyVideos = await getMyVideos(servers[1].url, servers[1].accessToken, 0, 10)
-      const videoToFindInMine = resMyVideos.body.data.find(v => v.name === videoAttributes.name)
-      expect(videoToFindInMine).not.to.be.undefined
-      expect(videoToFindInMine.state.id).to.equal(VideoState.TO_TRANSCODE)
-      expect(videoToFindInMine.state.label).to.equal('To transcode')
-      expect(videoToFindInMine.waitTranscoding).to.be.true
-
-      // Should not list this video
-      const resVideos = await getVideosList(servers[1].url)
-      const videoToFindInList = resVideos.body.data.find(v => v.name === videoAttributes.name)
-      expect(videoToFindInList).to.be.undefined
-
-      // Server 1 should not have the video yet
-      await getVideo(servers[0].url, videoId, HttpStatusCode.NOT_FOUND_404)
-    }
+        name: 'no_audio',
+        fixture: 'video_short_no_audio.mp4'
+      }
+      await uploadVideo(servers[1].url, servers[1].accessToken, videoAttributes)
 
-    await waitJobs(servers)
+      await waitJobs(servers)
 
-    for (const server of servers) {
-      const res = await getVideosList(server.url)
-      const videoToFind = res.body.data.find(v => v.name === 'waiting video')
-      expect(videoToFind).not.to.be.undefined
+      for (const server of servers) {
+        const res = await getVideosList(server.url)
 
-      const res2 = await getVideo(server.url, videoToFind.id)
-      const videoDetails: VideoDetails = res2.body
+        const video = res.body.data.find(v => v.name === videoAttributes.name)
+        const res2 = await getVideo(server.url, video.id)
+        const videoDetails: VideoDetails = res2.body
 
-      expect(videoDetails.state.id).to.equal(VideoState.PUBLISHED)
-      expect(videoDetails.state.label).to.equal('Published')
-      expect(videoDetails.waitTranscoding).to.be.true
-    }
-  })
+        expect(videoDetails.files).to.have.lengthOf(4)
+        const path = buildServerDirectory(servers[1], join('videos', video.uuid + '-240.mp4'))
+        const probe = await getAudioStream(path)
+        expect(probe).to.not.have.property('audioStream')
+      }
+    })
 
-  it('Should respect maximum bitrate values', async function () {
-    this.timeout(160_000)
+    it('Should leave the audio untouched, but properly transcode the video', async function () {
+      this.timeout(60_000)
 
-    let tempFixturePath: string
+      const videoAttributes = {
+        name: 'untouched_audio',
+        fixture: 'video_short.mp4'
+      }
+      await uploadVideo(servers[1].url, servers[1].accessToken, videoAttributes)
 
-    {
-      tempFixturePath = await generateHighBitrateVideo()
+      await waitJobs(servers)
 
-      const bitrate = await getVideoFileBitrate(tempFixturePath)
-      expect(bitrate).to.be.above(getMaxBitrate(VideoResolution.H_1080P, 25, VIDEO_TRANSCODING_FPS))
-    }
+      for (const server of servers) {
+        const res = await getVideosList(server.url)
 
-    const videoAttributes = {
-      name: 'high bitrate video',
-      description: 'high bitrate video',
-      fixture: tempFixturePath
-    }
+        const video = res.body.data.find(v => v.name === videoAttributes.name)
+        const res2 = await getVideo(server.url, video.id)
+        const videoDetails: VideoDetails = res2.body
 
-    await uploadVideo(servers[1].url, servers[1].accessToken, videoAttributes)
+        expect(videoDetails.files).to.have.lengthOf(4)
 
-    await waitJobs(servers)
+        const fixturePath = buildAbsoluteFixturePath(videoAttributes.fixture)
+        const fixtureVideoProbe = await getAudioStream(fixturePath)
+        const path = buildServerDirectory(servers[1], join('videos', video.uuid + '-240.mp4'))
 
-    for (const server of servers) {
-      const res = await getVideosList(server.url)
+        const videoProbe = await getAudioStream(path)
 
-      const video = res.body.data.find(v => v.name === videoAttributes.name)
+        if (videoProbe.audioStream && fixtureVideoProbe.audioStream) {
+          const toOmit = [ 'max_bit_rate', 'duration', 'duration_ts', 'nb_frames', 'start_time', 'start_pts' ]
+          expect(omit(videoProbe.audioStream, toOmit)).to.be.deep.equal(omit(fixtureVideoProbe.audioStream, toOmit))
+        } else {
+          this.fail('Could not retrieve the audio stream on ' + videoProbe.absolutePath)
+        }
+      }
+    })
+  })
 
-      for (const resolution of [ '240', '360', '480', '720', '1080' ]) {
-        const path = buildServerDirectory(servers[1], join('videos', video.uuid + '-' + resolution + '.mp4'))
+  describe('Audio upload', function () {
+
+    before(async function () {
+      await updateCustomSubConfig(servers[1].url, servers[1].accessToken, {
+        transcoding: {
+          hls: { enabled: true },
+          webtorrent: { enabled: true },
+          resolutions: {
+            '0p': false,
+            '240p': false,
+            '360p': false,
+            '480p': false,
+            '720p': false,
+            '1080p': false,
+            '1440p': false,
+            '2160p': false
+          }
+        }
+      })
+    })
 
-        const bitrate = await getVideoFileBitrate(path)
-        const fps = await getVideoFileFPS(path)
-        const resolution2 = await getVideoFileResolution(path)
+    it('Should merge an audio file with the preview file', async function () {
+      this.timeout(60_000)
 
-        expect(resolution2.videoFileResolution.toString()).to.equal(resolution)
-        expect(bitrate).to.be.below(getMaxBitrate(resolution2.videoFileResolution, fps, VIDEO_TRANSCODING_FPS))
-      }
-    }
-  })
+      const videoAttributesArg = { name: 'audio_with_preview', previewfile: 'preview.jpg', fixture: 'sample.ogg' }
+      await uploadVideo(servers[1].url, servers[1].accessToken, videoAttributesArg)
 
-  it('Should accept and transcode additional extensions', async function () {
-    this.timeout(300_000)
+      await waitJobs(servers)
+
+      for (const server of servers) {
+        const res = await getVideosList(server.url)
 
-    let tempFixturePath: string
+        const video = res.body.data.find(v => v.name === 'audio_with_preview')
+        const res2 = await getVideo(server.url, video.id)
+        const videoDetails: VideoDetails = res2.body
 
-    {
-      tempFixturePath = await generateHighBitrateVideo()
+        expect(videoDetails.files).to.have.lengthOf(1)
 
-      const bitrate = await getVideoFileBitrate(tempFixturePath)
-      expect(bitrate).to.be.above(getMaxBitrate(VideoResolution.H_1080P, 25, VIDEO_TRANSCODING_FPS))
-    }
+        await makeGetRequest({ url: server.url, path: videoDetails.thumbnailPath, statusCodeExpected: HttpStatusCode.OK_200 })
+        await makeGetRequest({ url: server.url, path: videoDetails.previewPath, statusCodeExpected: HttpStatusCode.OK_200 })
 
-    for (const fixture of [ 'video_short.mkv', 'video_short.avi' ]) {
-      const videoAttributes = {
-        name: fixture,
-        fixture
+        const magnetUri = videoDetails.files[0].magnetUri
+        expect(magnetUri).to.contain('.mp4')
       }
+    })
 
-      await uploadVideo(servers[1].url, servers[1].accessToken, videoAttributes)
+    it('Should upload an audio file and choose a default background image', async function () {
+      this.timeout(60_000)
+
+      const videoAttributesArg = { name: 'audio_without_preview', fixture: 'sample.ogg' }
+      await uploadVideo(servers[1].url, servers[1].accessToken, videoAttributesArg)
 
       await waitJobs(servers)
 
       for (const server of servers) {
         const res = await getVideosList(server.url)
 
-        const video = res.body.data.find(v => v.name === videoAttributes.name)
+        const video = res.body.data.find(v => v.name === 'audio_without_preview')
         const res2 = await getVideo(server.url, video.id)
         const videoDetails = res2.body
 
-        expect(videoDetails.files).to.have.lengthOf(4)
+        expect(videoDetails.files).to.have.lengthOf(1)
+
+        await makeGetRequest({ url: server.url, path: videoDetails.thumbnailPath, statusCodeExpected: HttpStatusCode.OK_200 })
+        await makeGetRequest({ url: server.url, path: videoDetails.previewPath, statusCodeExpected: HttpStatusCode.OK_200 })
 
         const magnetUri = videoDetails.files[0].magnetUri
         expect(magnetUri).to.contain('.mp4')
       }
-    }
-  })
+    })
 
-  it('Should correctly detect if quick transcode is possible', async function () {
-    this.timeout(10_000)
+    it('Should upload an audio file and create an audio version only', async function () {
+      this.timeout(60_000)
 
-    expect(await canDoQuickTranscode(buildAbsoluteFixturePath('video_short.mp4'))).to.be.true
-    expect(await canDoQuickTranscode(buildAbsoluteFixturePath('video_short.webm'))).to.be.false
-  })
+      await updateCustomSubConfig(servers[1].url, servers[1].accessToken, {
+        transcoding: {
+          hls: { enabled: true },
+          webtorrent: { enabled: true },
+          resolutions: {
+            '0p': true,
+            '240p': false,
+            '360p': false
+          }
+        }
+      })
 
-  it('Should merge an audio file with the preview file', async function () {
-    this.timeout(60_000)
+      const videoAttributesArg = { name: 'audio_with_preview', previewfile: 'preview.jpg', fixture: 'sample.ogg' }
+      const resVideo = await uploadVideo(servers[1].url, servers[1].accessToken, videoAttributesArg)
 
-    const videoAttributesArg = { name: 'audio_with_preview', previewfile: 'preview.jpg', fixture: 'sample.ogg' }
-    await uploadVideo(servers[1].url, servers[1].accessToken, videoAttributesArg)
+      await waitJobs(servers)
 
-    await waitJobs(servers)
+      for (const server of servers) {
+        const res2 = await getVideo(server.url, resVideo.body.video.id)
+        const videoDetails: VideoDetails = res2.body
 
-    for (const server of servers) {
-      const res = await getVideosList(server.url)
+        for (const files of [ videoDetails.files, videoDetails.streamingPlaylists[0].files ]) {
+          expect(files).to.have.lengthOf(2)
+          expect(files.find(f => f.resolution.id === 0)).to.not.be.undefined
+        }
+      }
 
-      const video = res.body.data.find(v => v.name === 'audio_with_preview')
-      const res2 = await getVideo(server.url, video.id)
-      const videoDetails: VideoDetails = res2.body
+      await updateConfigForTranscoding(servers[1])
+    })
+  })
 
-      expect(videoDetails.files).to.have.lengthOf(1)
+  describe('Framerate', function () {
 
-      await makeGetRequest({ url: server.url, path: videoDetails.thumbnailPath, statusCodeExpected: HttpStatusCode.OK_200 })
-      await makeGetRequest({ url: server.url, path: videoDetails.previewPath, statusCodeExpected: HttpStatusCode.OK_200 })
+    it('Should transcode a 60 FPS video', async function () {
+      this.timeout(60_000)
 
-      const magnetUri = videoDetails.files[0].magnetUri
-      expect(magnetUri).to.contain('.mp4')
-    }
-  })
+      const videoAttributes = {
+        name: 'my super 30fps name for server 2',
+        description: 'my super 30fps description for server 2',
+        fixture: '60fps_720p_small.mp4'
+      }
+      await uploadVideo(servers[1].url, servers[1].accessToken, videoAttributes)
 
-  it('Should upload an audio file and choose a default background image', async function () {
-    this.timeout(60_000)
+      await waitJobs(servers)
 
-    const videoAttributesArg = { name: 'audio_without_preview', fixture: 'sample.ogg' }
-    await uploadVideo(servers[1].url, servers[1].accessToken, videoAttributesArg)
+      for (const server of servers) {
+        const res = await getVideosList(server.url)
 
-    await waitJobs(servers)
+        const video = res.body.data.find(v => v.name === videoAttributes.name)
+        const res2 = await getVideo(server.url, video.id)
+        const videoDetails: VideoDetails = res2.body
 
-    for (const server of servers) {
-      const res = await getVideosList(server.url)
+        expect(videoDetails.files).to.have.lengthOf(4)
+        expect(videoDetails.files[0].fps).to.be.above(58).and.below(62)
+        expect(videoDetails.files[1].fps).to.be.below(31)
+        expect(videoDetails.files[2].fps).to.be.below(31)
+        expect(videoDetails.files[3].fps).to.be.below(31)
 
-      const video = res.body.data.find(v => v.name === 'audio_without_preview')
-      const res2 = await getVideo(server.url, video.id)
-      const videoDetails = res2.body
+        for (const resolution of [ '240', '360', '480' ]) {
+          const path = buildServerDirectory(servers[1], join('videos', video.uuid + '-' + resolution + '.mp4'))
+          const fps = await getVideoFileFPS(path)
 
-      expect(videoDetails.files).to.have.lengthOf(1)
+          expect(fps).to.be.below(31)
+        }
 
-      await makeGetRequest({ url: server.url, path: videoDetails.thumbnailPath, statusCodeExpected: HttpStatusCode.OK_200 })
-      await makeGetRequest({ url: server.url, path: videoDetails.previewPath, statusCodeExpected: HttpStatusCode.OK_200 })
+        const path = buildServerDirectory(servers[1], join('videos', video.uuid + '-720.mp4'))
+        const fps = await getVideoFileFPS(path)
 
-      const magnetUri = videoDetails.files[0].magnetUri
-      expect(magnetUri).to.contain('.mp4')
-    }
-  })
+        expect(fps).to.be.above(58).and.below(62)
+      }
+    })
 
-  it('Should downscale to the closest divisor standard framerate', async function () {
-    this.timeout(200_000)
+    it('Should downscale to the closest divisor standard framerate', async function () {
+      this.timeout(200_000)
 
-    let tempFixturePath: string
+      let tempFixturePath: string
 
-    {
-      tempFixturePath = await generateVideoWithFramerate(59)
+      {
+        tempFixturePath = await generateVideoWithFramerate(59)
 
-      const fps = await getVideoFileFPS(tempFixturePath)
-      expect(fps).to.be.equal(59)
-    }
+        const fps = await getVideoFileFPS(tempFixturePath)
+        expect(fps).to.be.equal(59)
+      }
 
-    const videoAttributes = {
-      name: '59fps video',
-      description: '59fps video',
-      fixture: tempFixturePath
-    }
+      const videoAttributes = {
+        name: '59fps video',
+        description: '59fps video',
+        fixture: tempFixturePath
+      }
 
-    await uploadVideo(servers[1].url, servers[1].accessToken, videoAttributes)
+      await uploadVideo(servers[1].url, servers[1].accessToken, videoAttributes)
 
-    await waitJobs(servers)
+      await waitJobs(servers)
 
-    for (const server of servers) {
-      const res = await getVideosList(server.url)
+      for (const server of servers) {
+        const res = await getVideosList(server.url)
 
-      const video = res.body.data.find(v => v.name === videoAttributes.name)
+        const video = res.body.data.find(v => v.name === videoAttributes.name)
 
-      {
-        const path = buildServerDirectory(servers[1], join('videos', video.uuid + '-240.mp4'))
-        const fps = await getVideoFileFPS(path)
-        expect(fps).to.be.equal(25)
+        {
+          const path = buildServerDirectory(servers[1], join('videos', video.uuid + '-240.mp4'))
+          const fps = await getVideoFileFPS(path)
+          expect(fps).to.be.equal(25)
+        }
+
+        {
+          const path = buildServerDirectory(servers[1], join('videos', video.uuid + '-720.mp4'))
+          const fps = await getVideoFileFPS(path)
+          expect(fps).to.be.equal(59)
+        }
       }
+    })
+  })
+
+  describe('Bitrate control', function () {
+    it('Should respect maximum bitrate values', async function () {
+      this.timeout(160_000)
+
+      let tempFixturePath: string
 
       {
-        const path = buildServerDirectory(servers[1], join('videos', video.uuid + '-720.mp4'))
-        const fps = await getVideoFileFPS(path)
-        expect(fps).to.be.equal(59)
-      }
-    }
-  })
+        tempFixturePath = await generateHighBitrateVideo()
 
-  it('Should not transcode to an higher bitrate than the original file', async function () {
-    this.timeout(160_000)
-
-    const config = {
-      transcoding: {
-        enabled: true,
-        resolutions: {
-          '240p': true,
-          '360p': true,
-          '480p': true,
-          '720p': true,
-          '1080p': true,
-          '1440p': true,
-          '2160p': true
-        },
-        webtorrent: { enabled: true },
-        hls: { enabled: true }
+        const bitrate = await getVideoFileBitrate(tempFixturePath)
+        expect(bitrate).to.be.above(getMaxBitrate(VideoResolution.H_1080P, 25, VIDEO_TRANSCODING_FPS))
       }
-    }
-    await updateCustomSubConfig(servers[1].url, servers[1].accessToken, config)
 
-    const videoAttributes = {
-      name: 'low bitrate',
-      fixture: 'low-bitrate.mp4'
-    }
+      const videoAttributes = {
+        name: 'high bitrate video',
+        description: 'high bitrate video',
+        fixture: tempFixturePath
+      }
 
-    const resUpload = await uploadVideo(servers[1].url, servers[1].accessToken, videoAttributes)
-    const videoUUID = resUpload.body.video.uuid
+      await uploadVideo(servers[1].url, servers[1].accessToken, videoAttributes)
 
-    await waitJobs(servers)
+      await waitJobs(servers)
 
-    const resolutions = [ 240, 360, 480, 720, 1080 ]
-    for (const r of resolutions) {
-      const path = `videos/${videoUUID}-${r}.mp4`
-      const size = await getServerFileSize(servers[1], path)
-      expect(size, `${path} not below ${60_000}`).to.be.below(60_000)
-    }
-  })
+      for (const server of servers) {
+        const res = await getVideosList(server.url)
 
-  it('Should provide valid ffprobe data', async function () {
-    this.timeout(160_000)
+        const video = res.body.data.find(v => v.name === videoAttributes.name)
 
-    const videoUUID = (await uploadVideoAndGetId({ server: servers[1], videoName: 'ffprobe data' })).uuid
-    await waitJobs(servers)
+        for (const resolution of [ '240', '360', '480', '720', '1080' ]) {
+          const path = buildServerDirectory(servers[1], join('videos', video.uuid + '-' + resolution + '.mp4'))
 
-    {
-      const path = buildServerDirectory(servers[1], join('videos', videoUUID + '-240.mp4'))
-      const metadata = await getMetadataFromFile(path)
+          const bitrate = await getVideoFileBitrate(path)
+          const fps = await getVideoFileFPS(path)
+          const resolution2 = await getVideoFileResolution(path)
 
-      // expected format properties
-      for (const p of [
-        'tags.encoder',
-        'format_long_name',
-        'size',
-        'bit_rate'
-      ]) {
-        expect(metadata.format).to.have.nested.property(p)
+          expect(resolution2.videoFileResolution.toString()).to.equal(resolution)
+          expect(bitrate).to.be.below(getMaxBitrate(resolution2.videoFileResolution, fps, VIDEO_TRANSCODING_FPS))
+        }
       }
+    })
 
-      // expected stream properties
-      for (const p of [
-        'codec_long_name',
-        'profile',
-        'width',
-        'height',
-        'display_aspect_ratio',
-        'avg_frame_rate',
-        'pix_fmt'
-      ]) {
-        expect(metadata.streams[0]).to.have.nested.property(p)
+    it('Should not transcode to an higher bitrate than the original file', async function () {
+      this.timeout(160_000)
+
+      const config = {
+        transcoding: {
+          enabled: true,
+          resolutions: {
+            '240p': true,
+            '360p': true,
+            '480p': true,
+            '720p': true,
+            '1080p': true,
+            '1440p': true,
+            '2160p': true
+          },
+          webtorrent: { enabled: true },
+          hls: { enabled: true }
+        }
       }
+      await updateCustomSubConfig(servers[1].url, servers[1].accessToken, config)
 
-      expect(metadata).to.not.have.nested.property('format.filename')
-    }
-
-    for (const server of servers) {
-      const res2 = await getVideo(server.url, videoUUID)
-      const videoDetails: VideoDetails = res2.body
+      const videoAttributes = {
+        name: 'low bitrate',
+        fixture: 'low-bitrate.mp4'
+      }
 
-      const videoFiles = videoDetails.files
-                                     .concat(videoDetails.streamingPlaylists[0].files)
-      expect(videoFiles).to.have.lengthOf(8)
+      const resUpload = await uploadVideo(servers[1].url, servers[1].accessToken, videoAttributes)
+      const videoUUID = resUpload.body.video.uuid
 
-      for (const file of videoFiles) {
-        expect(file.metadata).to.be.undefined
-        expect(file.metadataUrl).to.exist
-        expect(file.metadataUrl).to.contain(servers[1].url)
-        expect(file.metadataUrl).to.contain(videoUUID)
+      await waitJobs(servers)
 
-        const res3 = await getVideoFileMetadataUrl(file.metadataUrl)
-        const metadata: FfprobeData = res3.body
-        expect(metadata).to.have.nested.property('format.size')
+      const resolutions = [ 240, 360, 480, 720, 1080 ]
+      for (const r of resolutions) {
+        const path = `videos/${videoUUID}-${r}.mp4`
+        const size = await getServerFileSize(servers[1], path)
+        expect(size, `${path} not below ${60_000}`).to.be.below(60_000)
       }
-    }
+    })
   })
 
-  it('Should transcode a 4k video', async function () {
-    this.timeout(200_000)
-
-    const videoAttributes = {
-      name: '4k video',
-      fixture: 'video_short_4k.mp4'
-    }
+  describe('FFprobe', function () {
 
-    const resUpload = await uploadVideo(servers[1].url, servers[1].accessToken, videoAttributes)
-    video4k = resUpload.body.video.uuid
+    it('Should provide valid ffprobe data', async function () {
+      this.timeout(160_000)
 
-    await waitJobs(servers)
+      const videoUUID = (await uploadVideoAndGetId({ server: servers[1], videoName: 'ffprobe data' })).uuid
+      await waitJobs(servers)
 
-    const resolutions = [ 240, 360, 480, 720, 1080, 1440, 2160 ]
+      {
+        const path = buildServerDirectory(servers[1], join('videos', videoUUID + '-240.mp4'))
+        const metadata = await getMetadataFromFile(path)
+
+        // expected format properties
+        for (const p of [
+          'tags.encoder',
+          'format_long_name',
+          'size',
+          'bit_rate'
+        ]) {
+          expect(metadata.format).to.have.nested.property(p)
+        }
+
+        // expected stream properties
+        for (const p of [
+          'codec_long_name',
+          'profile',
+          'width',
+          'height',
+          'display_aspect_ratio',
+          'avg_frame_rate',
+          'pix_fmt'
+        ]) {
+          expect(metadata.streams[0]).to.have.nested.property(p)
+        }
+
+        expect(metadata).to.not.have.nested.property('format.filename')
+      }
 
-    for (const server of servers) {
-      const res = await getVideo(server.url, video4k)
-      const videoDetails: VideoDetails = res.body
+      for (const server of servers) {
+        const res2 = await getVideo(server.url, videoUUID)
+        const videoDetails: VideoDetails = res2.body
+
+        const videoFiles = videoDetails.files
+                                      .concat(videoDetails.streamingPlaylists[0].files)
+        expect(videoFiles).to.have.lengthOf(8)
+
+        for (const file of videoFiles) {
+          expect(file.metadata).to.be.undefined
+          expect(file.metadataUrl).to.exist
+          expect(file.metadataUrl).to.contain(servers[1].url)
+          expect(file.metadataUrl).to.contain(videoUUID)
+
+          const res3 = await getVideoFileMetadataUrl(file.metadataUrl)
+          const metadata: FfprobeData = res3.body
+          expect(metadata).to.have.nested.property('format.size')
+        }
+      }
+    })
 
-      expect(videoDetails.files).to.have.lengthOf(resolutions.length)
+    it('Should correctly detect if quick transcode is possible', async function () {
+      this.timeout(10_000)
 
-      for (const r of resolutions) {
-        expect(videoDetails.files.find(f => f.resolution.id === r)).to.not.be.undefined
-        expect(videoDetails.streamingPlaylists[0].files.find(f => f.resolution.id === r)).to.not.be.undefined
-      }
-    }
+      expect(await canDoQuickTranscode(buildAbsoluteFixturePath('video_short.mp4'))).to.be.true
+      expect(await canDoQuickTranscode(buildAbsoluteFixturePath('video_short.webm'))).to.be.false
+    })
   })
 
-  it('Should have the appropriate priorities for transcoding jobs', async function () {
-    const res = await getJobsListPaginationAndSort({
-      url: servers[1].url,
-      accessToken: servers[1].accessToken,
-      start: 0,
-      count: 100,
-      sort: '-createdAt',
-      jobType: 'video-transcoding'
-    })
+  describe('Transcoding job queue', function () {
 
-    const jobs = res.body.data as Job[]
+    it('Should have the appropriate priorities for transcoding jobs', async function () {
+      const res = await getJobsListPaginationAndSort({
+        url: servers[1].url,
+        accessToken: servers[1].accessToken,
+        start: 0,
+        count: 100,
+        sort: '-createdAt',
+        jobType: 'video-transcoding'
+      })
 
-    const transcodingJobs = jobs.filter(j => j.data.videoUUID === video4k)
+      const jobs = res.body.data as Job[]
 
-    expect(transcodingJobs).to.have.lengthOf(14)
+      const transcodingJobs = jobs.filter(j => j.data.videoUUID === video4k)
 
-    const hlsJobs = transcodingJobs.filter(j => j.data.type === 'new-resolution-to-hls')
-    const webtorrentJobs = transcodingJobs.filter(j => j.data.type === 'new-resolution-to-webtorrent')
-    const optimizeJobs = transcodingJobs.filter(j => j.data.type === 'optimize-to-webtorrent')
+      expect(transcodingJobs).to.have.lengthOf(14)
 
-    expect(hlsJobs).to.have.lengthOf(7)
-    expect(webtorrentJobs).to.have.lengthOf(6)
-    expect(optimizeJobs).to.have.lengthOf(1)
+      const hlsJobs = transcodingJobs.filter(j => j.data.type === 'new-resolution-to-hls')
+      const webtorrentJobs = transcodingJobs.filter(j => j.data.type === 'new-resolution-to-webtorrent')
+      const optimizeJobs = transcodingJobs.filter(j => j.data.type === 'optimize-to-webtorrent')
 
-    for (const j of optimizeJobs) {
-      expect(j.priority).to.be.greaterThan(11)
-      expect(j.priority).to.be.lessThan(50)
-    }
+      expect(hlsJobs).to.have.lengthOf(7)
+      expect(webtorrentJobs).to.have.lengthOf(6)
+      expect(optimizeJobs).to.have.lengthOf(1)
 
-    for (const j of hlsJobs.concat(webtorrentJobs)) {
-      expect(j.priority).to.be.greaterThan(100)
-      expect(j.priority).to.be.lessThan(150)
-    }
+      for (const j of optimizeJobs) {
+        expect(j.priority).to.be.greaterThan(11)
+        expect(j.priority).to.be.lessThan(50)
+      }
+
+      for (const j of hlsJobs.concat(webtorrentJobs)) {
+        expect(j.priority).to.be.greaterThan(100)
+        expect(j.priority).to.be.lessThan(150)
+      }
+    })
   })
 
   after(async function () {