+ if (version < 34) {
+ /* With old metadata FFmpeg content has the audio-related tags even with no
+ audio streams, so check for that.
+ */
+ if (node->string_child("Type") == "FFmpeg" && node->node_children("AudioStream").empty()) {
+ return shared_ptr<AudioContent> ();
+ }
+
+ /* Otherwise we can drop through to the newer logic */
+ }
+