.MKV
1280x720
ArcSoft H.264 Codec
5120 kbps
30 fps
16x9 aspect
Play .MKV and then stop.
Select same .MKV and accept option to resume previous index.
Screen is blank.
Sound seems to catch up to the right place.
Only way to get picture and sound back is to stop play reselect and
choose cancel option for resume previous position.