Non-zero audio source buffered length

Previously, audio media segments were accepted without error but SourceBuffered.buffered.length was still zero. After this change, the buffered property seems to be read appropriately and no errors are generated but audio is still not output.

@@ -519,11 +519,15 @@ traf = function(track) {
 
   trackFragmentHeader = box(types.tfhd, new Uint8Array([
     0x00, // version 0
-    0x00, 0x00, 0x00, // flags
+    0x00, 0x00, 0x3a, // flags
     (track.id & 0xFF000000) >> 24,
     (track.id & 0xFF0000) >> 16,
     (track.id & 0xFF00) >> 8,
-    (track.id & 0xFF) // track_ID
+    (track.id & 0xFF), // track_ID
+    0x00, 0x00, 0x00, 0x01, // sample_description_index
+    0x00, 0x00, 0x00, 0x00, // default_sample_duration
+    0x00, 0x00, 0x00, 0x00, // default_sample_size
+    0x00, 0x00, 0x00, 0x00  // default_sample_flags
   ]));
 
   trackFragmentDecodeTime = box(types.tfdt, new Uint8Array([

@@ -1035,8 +1035,12 @@ Transmuxer = function() {
   this.end = function() {
     elementaryStream.end();
     h264Stream.end();
-    videoSegmentStream.end();
-    audioSegmentStream.end();
+    if (videoSegmentStream) {
+      videoSegmentStream.end();
+    }
+    if (audioSegmentStream) {
+      audioSegmentStream.end();
+    }
   };
 };
 Transmuxer.prototype = new videojs.Hls.Stream();

@@ -133,6 +133,8 @@
         vjsParsed,
         workingParsed,
         diffParsed,
+        vjsBytes,
+        workingBytes,
 
         vjsBoxes = document.querySelector('.vjs-boxes'),
         workingBoxes = document.querySelector('.working-boxes'),
@@ -175,9 +177,12 @@
       if (workingParsed[0].type === 'moof') {
         diff = '<h3>Media Segment Comparision</h3>';
         transmuxed = vjsParsed.slice(2);
-      } else {
+      } else if (workingParsed.length === 2) {
         diff = '<h3>Init Segment Comparision</h3>';
         transmuxed = vjsParsed.slice(0, 2);
+      } else {
+        diff = '<h3>General Comparision</h3>';
+        transmuxed = vjsParsed;
       }
       diff += '<p>A <del>red background</del> indicates ' +
         'properties present in the transmuxed file but missing from the ' +
@@ -222,7 +227,6 @@
             transmuxer = new videojs.mp2t.Transmuxer(),
             events = [],
             bytesLength = 0,
-            done = false,
             bytes,
             i, j,
             hex = '';
@@ -242,6 +246,7 @@
           i += events[j].byteLength;
         }
 
+        vjsBytes = bytes;
         vjsParsed = videojs.inspectMp4(bytes);
         console.log('transmuxed', vjsParsed);
         diffParsed();
@@ -256,14 +261,7 @@
         vjsOutput.innerHTML = hex;
 
         // XXX Media Sources Testing
-        window.vjsSourceBuffer.addEventListener('updateend', function() {
-          if (!done) {
-            window.vjsSourceBuffer.appendBuffer(events[1]);
-            console.log('appended tmuxed output');
-            done = true;
-          }
-        });
-        window.vjsSourceBuffer.appendBuffer(events[0]);
+        window.vjsSourceBuffer.appendBuffer(bytes);
       });
       reader.readAsArrayBuffer(this.files[0]);
     }, false);
@@ -275,6 +273,7 @@
             bytes = new Uint8Array(reader.result);
 
 
+        workingBytes = bytes;
         workingParsed = videojs.inspectMp4(bytes);
         console.log('working', workingParsed);
         diffParsed();
@@ -289,7 +288,7 @@
         workingOutput.innerHTML = hex;
 
         // XXX Media Sources Testing
-        // window.vjsSourceBuffer.appendBuffer(bytes);
+        //window.vjsSourceBuffer.appendBuffer(bytes);
       });
       reader.readAsArrayBuffer(this.files[0]);
     }, false);