Prevent RangeError exception when parsing incomplete PES

Fixes video-dev#2415 Relates to video-dev#2109
jwplayer · Dec 6, 2019 · 832fc64 · 832fc64
1 parent ffe1569
commit 832fc64
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/src/demux/tsdemuxer.js b/src/demux/tsdemuxer.js
@@ -499,6 +499,9 @@ class TSDemuxer {
       // 9 bytes : 6 bytes for PES header + 3 bytes for PES extension
       payloadStartOffset = pesHdrLen + 9;
 
+      if (stream.size <= payloadStartOffset) {
+        return null;
+      }
       stream.size -= payloadStartOffset;
       // reassemble PES packet
       pesData = new Uint8Array(stream.size);