====== hasVideo() ======
call.hasVideo() returns true if we are receiving a video stream from other end of call.

call.hasVideo() is the same as [[ixnx:wrtc:js:api:call:is|call.is("receivingVideo")]]

===== Arguments =====
None.

===== Returns =====
Boolean:
  * true - receiving video stream from call partner
  * false - not receiving video stream from call partner