feat: add support for .aac audio files

package.json

@@ -23,6 +23,7 @@
   },
   "dependencies": {
     "http-attach": "^1.0.0",
-    "minimist": "^1.2.0"
+    "minimist": "^1.2.0",
+    "mime-types": "^2.1.26"
   }
 }

src/index.js

@@ -4,6 +4,7 @@ var http = require('http')
 var url = require('url')
 var path = require('path')
 var zlib = require('zlib')
+var mime = require('mime-types')
 var httpAttach = require('http-attach')
 var fsProvider = require('./fsProvider')
 var debugPlayer = require('./debugPlayer')
@@ -21,6 +22,14 @@ function HLSServer (server, opts) {
   if (server) self.attach(server, opts)
 }
 
+function getRequestPathname ( req ) {
+    return url.parse(req.url).pathname;
+}
+
+function getRequestPathExtension ( req ) {
+    return path.extname( getRequestPathname( req ) )
+}
+
 HLSServer.prototype.attach = function (server, opts) {
   var self = this
 
@@ -75,8 +84,11 @@ HLSServer.prototype._middleware = function (req, res, next) {
         case '.ts':
           self._writeSegment(req, res, next)
           break
-        default:
-          next()
+      default:
+          if ( extension )
+              self._writeGeneric(req, res, next );
+          else
+              next();
           break
       }
     }
@@ -130,3 +142,18 @@ HLSServer.prototype._writeSegment = function (req, res, next) {
     stream.pipe(res)
   })
 }
+
+HLSServer.prototype._writeGeneric = function (req, res, next) {
+  var self = this
+
+  self.provider.getSegmentStream(req, function (err, stream) {
+    if (err) {
+      res.statusCode = 500
+      res.end()
+      return
+    }
+    res.setHeader('Content-Type', mime.contentType(getRequestPathExtension(req)))
+    res.statusCode = 200
+    stream.pipe(res)
+  })
+}