fix incorrect extensions on stored files

lib/recorder.js

@@ -14,11 +14,9 @@ var mime = require('mime-types'),
     mkdirp = require('mkdirp'),
     debug = require('debug')('hls:recorder');
 
-// add custom types for ext mapping
-mime.define({
-  'audio/aac': ['aac'],
-  'audio/ac3': ['ac3'],
-});
+// add custom extensions
+mime.extensions['audio/aac'] = ['aac'];
+mime.extensions['audio/ac3'] = ['ac3'];
 
 function HlsStreamRecorder(reader, dst, options) {
   options = options || {};

package.json

@@ -28,12 +28,12 @@
   "dependencies": {
     "carrier": "~0.1.8",
     "commander": "^2.3.0",
-    "debug": "^1.0.4",
+    "debug": "^2.0.0",
     "deep-equal": "^0.2.1",
     "hls-segment-reader": "^1.0.0",
     "m3u8parse": "^0.1.13",
     "measured": "~0.1.3",
-    "mime-types": "^1.0.2",
+    "mime-types": "^2.0.1",
     "mkdirp": "^0.5.0",
     "oncemore": "^1.0.0",
     "readable-stream": "~1.0.0",