Support for AV1 MP4 input and output

embed/wrappers/html5.js

@@ -35,6 +35,7 @@ mistplayers.html5 = {
       shortmime = shortmime.join("/");
       //works for mp4 but not for webm
       function translateCodec(track) {
+        if (track.codecstring){return track.codecstring;}
         function bin2hex(index) {
           return ("0"+track.init.charCodeAt(index).toString(16)).slice(-2);
         }

embed/wrappers/mews.js

@@ -22,6 +22,7 @@ mistplayers.mews = {
 
     //check (and save) codec compatibility
     function translateCodec(track) {
+      if (track.codecstring){return track.codecstring;}
       function bin2hex(index) {
         return ("0"+track.init.charCodeAt(index).toString(16)).slice(-2);
       }