From 679c12e69c9f3a2d003ee3abe8b8da49f25b2bd3 Mon Sep 17 00:00:00 2001
From: Chocobozzz <me@florianbigard.com>
Date: Fri, 6 Aug 2021 13:35:25 +0200
Subject: Improve target bitrate calculation

---
 server/tests/cli/optimize-old-videos.ts     | 20 +++++++-------------
 server/tests/cli/print-transcode-command.ts | 10 +++++-----
 2 files changed, 12 insertions(+), 18 deletions(-)

(limited to 'server/tests/cli')

diff --git a/server/tests/cli/optimize-old-videos.ts b/server/tests/cli/optimize-old-videos.ts
index 579b2e7d8..9b75ae164 100644
--- a/server/tests/cli/optimize-old-videos.ts
+++ b/server/tests/cli/optimize-old-videos.ts
@@ -2,6 +2,7 @@
 
 import 'mocha'
 import * as chai from 'chai'
+import { getMaxBitrate } from '@shared/core-utils'
 import {
   cleanupTests,
   createMultipleServers,
@@ -12,9 +13,7 @@ import {
   wait,
   waitJobs
 } from '@shared/extra-utils'
-import { getMaxBitrate, VideoResolution } from '@shared/models'
 import { getVideoFileBitrate, getVideoFileFPS, getVideoFileResolution } from '../../helpers/ffprobe-utils'
-import { VIDEO_TRANSCODING_FPS } from '../../initializers/constants'
 
 const expect = chai.expect
 
@@ -30,14 +29,7 @@ describe('Test optimize old videos', function () {
 
     await doubleFollow(servers[0], servers[1])
 
-    let tempFixturePath: string
-
-    {
-      tempFixturePath = await generateHighBitrateVideo()
-
-      const bitrate = await getVideoFileBitrate(tempFixturePath)
-      expect(bitrate).to.be.above(getMaxBitrate(VideoResolution.H_1080P, 25, VIDEO_TRANSCODING_FPS))
-    }
+    const tempFixturePath = await generateHighBitrateVideo()
 
     // Upload two videos for our needs
     await servers[0].videos.upload({ attributes: { name: 'video1', fixture: tempFixturePath } })
@@ -88,10 +80,12 @@ describe('Test optimize old videos', function () {
         const path = servers[0].servers.buildWebTorrentFilePath(file.fileUrl)
         const bitrate = await getVideoFileBitrate(path)
         const fps = await getVideoFileFPS(path)
-        const resolution = await getVideoFileResolution(path)
+        const data = await getVideoFileResolution(path)
+
+        expect(data.resolution).to.equal(file.resolution.id)
 
-        expect(resolution.videoFileResolution).to.equal(file.resolution.id)
-        expect(bitrate).to.be.below(getMaxBitrate(resolution.videoFileResolution, fps, VIDEO_TRANSCODING_FPS))
+        const maxBitrate = getMaxBitrate({ ...data, fps })
+        expect(bitrate).to.be.below(maxBitrate)
       }
     }
   })
diff --git a/server/tests/cli/print-transcode-command.ts b/server/tests/cli/print-transcode-command.ts
index 3a7969e68..e328a6072 100644
--- a/server/tests/cli/print-transcode-command.ts
+++ b/server/tests/cli/print-transcode-command.ts
@@ -3,16 +3,16 @@
 import 'mocha'
 import * as chai from 'chai'
 import { getVideoFileBitrate, getVideoFileFPS } from '@server/helpers/ffprobe-utils'
-import { CLICommand } from '@shared/extra-utils'
-import { getTargetBitrate, VideoResolution } from '../../../shared/models/videos'
-import { VIDEO_TRANSCODING_FPS } from '../../initializers/constants'
+import { getMaxBitrate } from '@shared/core-utils'
+import { buildAbsoluteFixturePath, CLICommand } from '@shared/extra-utils'
+import { VideoResolution } from '../../../shared/models/videos'
 
 const expect = chai.expect
 
 describe('Test create transcoding jobs', function () {
 
   it('Should print the correct command for each resolution', async function () {
-    const fixturePath = 'server/tests/fixtures/video_short.webm'
+    const fixturePath = buildAbsoluteFixturePath('video_short.webm')
     const fps = await getVideoFileFPS(fixturePath)
     const bitrate = await getVideoFileBitrate(fixturePath)
 
@@ -21,7 +21,7 @@ describe('Test create transcoding jobs', function () {
       VideoResolution.H_1080P
     ]) {
       const command = await CLICommand.exec(`npm run print-transcode-command -- ${fixturePath} -r ${resolution}`)
-      const targetBitrate = Math.min(getTargetBitrate(resolution, fps, VIDEO_TRANSCODING_FPS), bitrate)
+      const targetBitrate = Math.min(getMaxBitrate({ resolution, fps, ratio: 16 / 9 }), bitrate)
 
       expect(command).to.includes(`-vf scale=w=-2:h=${resolution}`)
       expect(command).to.includes(`-y -acodec aac -vcodec libx264`)
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