Major refactor to adapt new ffmpeg-core.js

tests/ffmpeg.test.js

@@ -1,20 +1,27 @@
-const { createWorker } = FFmpeg;
-const worker = createWorker(OPTIONS);
+const { createFFmpeg } = FFmpeg;
+const ffmpeg = createFFmpeg(OPTIONS);
 
 before(async function cb() {
   this.timeout(0);
-  await worker.load();
+  await ffmpeg.load();
 });
 
 describe('transcode()', () => {
   describe('should transcode different format', () => {
-    ['flame.avi'].forEach((name) => (
-      it(`transcode ${name}`, async () => {
-        await worker.write(name, `${BASE_URL}/${name}`);
-        await worker.transcode(name, 'output.mp4');
-        const { data } = await worker.read('output.mp4');
-        expect(data.length).to.be(FLAME_MP4_LENGTH);
-      }).timeout(TIMEOUT)
-    ));
+    [1, 2, 4].forEach((n) => {
+      [
+        { from: 'flame.avi', to: 'flame.mp4' },
+        { from: 'flame.avi', to: 'flame.webm' },
+        { from: 'StarWars3.wav', to: 'StarWars3.mp3' },
+      ].forEach(({ from, to }) => (
+        it(`transcode ${from} to ${to} (${n} threads)`, async () => {
+          await ffmpeg.write(from, `${BASE_URL}/${from}`);
+          await ffmpeg.transcode(from, to, `-threads ${n}`);
+          const data = ffmpeg.read(to);
+          ffmpeg.remove(to);
+          expect(data.length).not.to.be(0);
+        }).timeout(TIMEOUT)
+      ));
+    });
   });
 });