Add transcoding custom quality plugin

peertube-plugin-transcoding-custom-quality/README.md

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+# PeerTube transcoding custom quality
+
+This plugin creates a transcoding profile in which admins can decide the quality of the transcoding process.

peertube-plugin-transcoding-custom-quality/main.js

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+async function register ({
+  registerSetting,
+  settingsManager,
+  transcodingManager
+}) {
+  const defaultCRF = 20
+
+  const store = {
+    crf: await settingsManager.getSetting('crf') || defaultCRF
+  }
+
+  settingsManager.onSettingsChange(settings => {
+    store.crf = settings['crf']
+  })
+
+  const builderVOD = (options) => {
+    return {
+      outputOptions: [
+        `-r ${options.fps}`,
+        `-crf ${store.crf}`
+      ]
+    }
+  }
+
+  const buildLive = (options) => {
+    return {
+      outputOptions: [
+        `${buildStreamSuffix('-r:v', options.streamNum)} ${fps}`,
+        `-crf ${store.crf}`
+      ]
+    }
+  }
+
+  registerSetting({
+    name: 'crf',
+    label: 'Quality',
+    type: 'select',
+    options: [
+      { label: 'Default', value: 23 },
+      { label: 'Good', value: 20 },
+      { label: 'Very good', value: 18 }
+    ],
+    private: true,
+    default: defaultCRF
+  })
+
+  const encoder = 'libx264'
+  const profileName = 'custom-quality'
+
+  transcodingManager.addVODProfile(encoder, profileName, builderVOD)
+  transcodingManager.addLiveProfile(encoder, profileName, buildLive)
+}
+
+async function unregister () {
+  return
+}
+
+module.exports = {
+  register,
+  unregister
+}
+
+
+// ---------------------------------------------------------------------------
+
+function buildStreamSuffix (base, streamNum) {
+  if (streamNum !== undefined) {
+    return `${base}:${streamNum}`
+  }
+
+  return base
+}

peertube-plugin-transcoding-custom-quality/package.json

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+{
+  "name": "peertube-plugin-transcoding-custom-quality",
+  "version": "0.0.1",
+  "description": "Set a custom quality for transcoding",
+  "engine": {
+    "peertube": ">=3.3.0"
+  },
+  "keywords": [
+    "peertube",
+    "plugin"
+  ],
+  "homepage": "https://framagit.org/framasoft/peertube/official-plugins/tree/master/peertube-plugin-transcoding-custom-quality",
+  "author": "Chocobozzz",
+  "bugs": "https://framagit.org/framasoft/peertube/official-plugins/issues",
+  "library": "./main.js",
+  "staticDirs": {},
+  "css": [ ],
+  "clientScripts": [],
+  "translations": {}
+}