You need to specify the media to be streamed to DLNA-compatible devices.
Which code segment should you insert at line PL21?
A. controller = document.getElementById("aplayer").msPlayToSource;
B. controller = document.getElementById("mediaplayer").msPlayToPrimary;
C. controller = document.getElementBy!d("aplayer").msGetPointerCapture;
D. controller = document.getElementById ( "mediaplayer" ) .msRealTime;
