firefox hls fixes

dashboard-ui/bower_components/emby-webcomponents/browserdeviceprofile.js

@@ -29,7 +29,7 @@
             list.push('h264');
         }
 
-        if (document.createElement('audio').canPlayType('audio/aac').replace(/no/, '')) {
+        if (document.createElement('audio').canPlayType('audio/aac').replace(/no/, '') || browser.firefox) {
             list.push('aac');
         }
 
@@ -104,12 +104,22 @@
         profile.DirectPlayProfiles = [];
 
         var videoAudioCodecs = [];
-        if (canPlayMp3) {
-            videoAudioCodecs.push('mp3');
+
+        // Only put mp3 first if mkv support is there
+        // Otherwise with HLS and mp3 audio we're seeing some browsers
+        if (canPlayMkv) {
+            if (canPlayMp3) {
+                videoAudioCodecs.push('mp3');
+            }
         }
         if (canPlayAac) {
             videoAudioCodecs.push('aac');
         }
+        if (!canPlayMkv) {
+            if (canPlayMp3) {
+                videoAudioCodecs.push('mp3');
+            }
+        }
         if (canPlayAc3) {
             videoAudioCodecs.push('ac3');
         }