Script ui-test scenes

scripts/cutScenes.ts

@@ -0,0 +1,56 @@
+#!./node_modules/.bin/ts-node
+
+import * as fs from 'fs'
+import { Scene, SceneNames } from '../src/spec/SceneBuilder'
+import { exec } from './util'
+const concat = require('ffmpeg-concat')
+
+async function cutScenes(scenes: Array<Scene>) {
+  for (const scene of scenes) {
+    const outputFile = `${scene.name}.mp4`
+    if (fs.existsSync(outputFile)) {
+      fs.unlinkSync(outputFile)
+    }
+
+    await exec('ffmpeg', `-i app2.mp4 -ss ${scene.start / 1000} -t ${scene.duration / 1000} ${scene.name}.mp4`.split(' '))
+  }
+}
+
+type Transistions = 'none' | 'pixelize' | 'cube' | 'directionalWarp' | 'hexagonalize'
+
+class TransitionBuilder {
+  private scenes: Array<string> = []
+  private transitions: Array<string> = []
+
+  public startWith(scene: SceneNames): TransitionBuilder {
+    this.scenes.push(scene)
+    return this
+  }
+
+  public transitionTo(scene: SceneNames, transition: Transistions): TransitionBuilder {
+    this.scenes.push(scene)
+    this.transitions.push(transition)
+    return this
+  }
+
+  public buildOptions(outputFile: string) {
+    return {
+      output: outputFile,
+      videos: this.scenes.map(s => `${s}.mp4`),
+      transistions: this.transitions.map(name => ({
+        name: name !== 'none' ? name : 'fade',
+        duration: name !== 'none' ? 1000 : 10,
+      })),
+    }
+  }
+}
+
+// const scenes: Array<Scene> = JSON.parse(fs.readFileSync('./scenes.json').toString())
+// cutScenes(scenes)
+let builder = new TransitionBuilder()
+  .startWith('connect')
+  .transitionTo('numeric_plots', 'cube')
+  .transitionTo('diffs', 'pixelize')
+  .transitionTo('customize_subscriptions', 'hexagonalize')
+
+concat(builder.buildOptions('test.mp4'))