Enable log output and remove video file from wasm mem after transcode

examples/node/transcode.js

@@ -10,4 +10,5 @@ const worker = createWorker();
   await worker.load();
   const { data } = await worker.transcode(inputPath, outputPath.split('.').pop());
   fs.writeFileSync(outputPath, Buffer.from(data));
+  process.exit(0);
 })();

package-lock.json

@@ -3077,14 +3077,12 @@
         "balanced-match": {
           "version": "1.0.0",
           "bundled": true,
-          "dev": true,
-          "optional": true
+          "dev": true
         },
         "brace-expansion": {
           "version": "1.1.11",
           "bundled": true,
           "dev": true,
-          "optional": true,
           "requires": {
             "balanced-match": "^1.0.0",
             "concat-map": "0.0.1"
@@ -3104,8 +3102,7 @@
         "concat-map": {
           "version": "0.0.1",
           "bundled": true,
-          "dev": true,
-          "optional": true
+          "dev": true
         },
         "console-control-strings": {
           "version": "1.1.0",
@@ -3253,7 +3250,6 @@
           "version": "3.0.4",
           "bundled": true,
           "dev": true,
-          "optional": true,
           "requires": {
             "brace-expansion": "^1.1.7"
           }
@@ -3261,14 +3257,12 @@
         "minimist": {
           "version": "0.0.8",
           "bundled": true,
-          "dev": true,
-          "optional": true
+          "dev": true
         },
         "minipass": {
           "version": "2.3.5",
           "bundled": true,
           "dev": true,
-          "optional": true,
           "requires": {
             "safe-buffer": "^5.1.2",
             "yallist": "^3.0.0"
@@ -3287,7 +3281,6 @@
           "version": "0.5.1",
           "bundled": true,
           "dev": true,
-          "optional": true,
           "requires": {
             "minimist": "0.0.8"
           }
@@ -3380,7 +3373,6 @@
           "version": "1.4.0",
           "bundled": true,
           "dev": true,
-          "optional": true,
           "requires": {
             "wrappy": "1"
           }

src/worker-script/constants/defaultArgs.js

@@ -1,6 +1,4 @@
 module.exports = [
   './ffmpeg', // args[0] is always binary path
   '-nostdin', // Disable interaction mode
-  '-loglevel',
-  'quiet',
 ];

src/worker-script/index.js

@@ -52,7 +52,10 @@ const transcode = ({
   const args = [...defaultArgs, ...`${options} -i file:${iPath} ${oPath}`.trim().split(' ')];
   Module.FS.writeFile(iPath, data);
   ffmpeg(args.length, strList2ptr(args));
-  res.resolve(Module.FS.readFile(oPath));
+  const out = Module.FS.readFile(oPath);
+  Module.FS.unlink(iPath);
+  Module.FS.unlink(oPath);
+  res.resolve(out);
 };
 
 exports.dispatchHandlers = (packet, send) => {