automated converting between gif and mp4 with single image convertion separated

extractFrames.js

@@ -0,0 +1,14 @@
+const fs = require('fs');
+module.exports = async function extractFrames(inputFile = __dirname + '/input.mp4', outputFolder = __dirname + '/tmp-ss', callback) {
+    console.log('extracting frames');
+    fs.mkdirSync(outputFolder);
+
+    const extractFrames = require('ffmpeg-extract-frames')
+
+    await extractFrames({
+        input: inputFile,
+        output: outputFolder + '/%d.png',
+    });
+
+    callback();
+}