Merge pull request #16 from ant-media/supportMp3VoD

add mp3 to supported formats

Author: mekya

src/web_player.js

@@ -609,7 +609,10 @@ export class WebPlayer {
         }
         else if (extension == "webrtc") {
             type = "video/webrtc";
-        }
+        } 
+        else if (extension == "mp3") {
+            type = "audio/mpeg";
+        } 
         else {
             Logger.warn("Unknown extension: " + extension);
             return;