Add image2video example

examples/node/image2video.js

@@ -0,0 +1,23 @@
+const fs = require('fs');
+const { createWorker } = require('../../src');
+
+const worker = createWorker({
+  progress: (p) => console.log(p),
+});
+
+(async () => {
+  console.log('Loading ffmpeg-core.js');
+  await worker.load();
+  console.log('Loading data');
+  await worker.write('audio.ogg', '../../tests/assets/triangle/audio.ogg');
+  for (let i = 0; i < 60; i += 1) {
+    const num = `00${i}`.slice(-3);
+    await worker.write(`tmp.${num}.png`, `../../tests/assets/triangle/tmp.${num}.png`);
+  }
+  console.log('Start transcoding');
+  await worker.run('-framerate 30 -pattern_type glob -i *.png -i audio.ogg -c:a copy -shortest -c:v libx264 -pix_fmt yuv420p out.mp4');
+  const { data } = await worker.read('out.mp4');
+  console.log('Complete transcoding');
+  fs.writeFileSync('out.mp4', Buffer.from(data));
+  process.exit(0);
+})();