Add @ditto/transcode package

deno.json

@@ -11,6 +11,7 @@
     "./packages/nip98",
     "./packages/policies",
     "./packages/ratelimiter",
+    "./packages/transcode",
     "./packages/translators",
     "./packages/uploaders"
   ],

packages/transcode/.gitignore

@@ -0,0 +1 @@
+tmp/

packages/transcode/deno.json

@@ -0,0 +1,7 @@
+{
+  "name": "@ditto/transcode",
+  "version": "1.0.0",
+  "exports": {
+    ".": "./transcode.ts"
+  }
+}

packages/transcode/transcode.test.ts

@@ -4,5 +4,6 @@ Deno.test('transcodeVideo', async () => {
   await using file = await Deno.open(new URL('./buckbunny.mp4', import.meta.url));
   const output = transcodeVideo(file.readable);
 
-  await Deno.writeFile(new URL('./buckbunny-transcoded.mp4', import.meta.url), output);
+  await Deno.mkdir(new URL('./tmp', import.meta.url), { recursive: true });
+  await Deno.writeFile(new URL('./tmp/buckbunny-transcoded.mp4', import.meta.url), output);
 });