From 6f9278fe81c55978feca8e073618898f4433a98c Mon Sep 17 00:00:00 2001
From: Elias Fleckenstein <eliasfleckenstein@web.de>
Date: Mon, 7 Mar 2022 13:14:16 +0100
Subject: Initial commit

---
 init.js | 31 +++++++++++++++++++++++++++++++
 1 file changed, 31 insertions(+)
 create mode 100644 init.js

(limited to 'init.js')

diff --git a/init.js b/init.js
new file mode 100644
index 0000000..f168f56
--- /dev/null
+++ b/init.js
@@ -0,0 +1,31 @@
+const fs = require("fs").promises
+const seurat = require("seurat")
+const ffmpegExtractFrames = require("ffmpeg-extract-frames")
+const imageSize = require("image-size")
+
+const fps = 1.0
+const limit = 2000
+const url = "https://www.youtube.com/watch?v=9lNZ_Rnr7Jc"
+
+fs.rm("frames", {recursive: true, force: true})
+	.then(_ => fs.mkdir("frames"))
+	.then(_ => ffmpegExtractFrames({
+		input: "bad_apple.mkv",
+		output: "frames/%5d.png",
+		fps
+	}))
+	.then(_ => fs.readdir("frames"))
+	.then(files => {
+		const dimensions = imageSize("frames/00001.png")
+		const ratio = dimensions.width / dimensions.height
+		const size = Math.sqrt(limit)
+			
+		return Promise.all(files.map(file =>
+			seurat.convert("frames/" + file, {
+				width:  Math.floor(size * ratio),
+				height: Math.floor(size / ratio),
+				threshold: 25,
+			})))
+	})
+	.then(frames => fs.writeFile("badapple.json", JSON.stringify({fps, frames})))
+/**/
-- 
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