Fixed infinite loops in MP4 connector when selecting invalid tracks.
Fixed infinite loops in MP4 connector when selecting invalid tracks.

rbouqueau/mistserver,DDVTECH/mistserver,rbouqueau/mistserver,rbouqueau/mistserver,DDVTECH/mistserver,DDVTECH/mistserver,rbouqueau/mistserver,DDVTECH/mistserver,DDVTECH/mistserver,rbouqueau/mistserver