how change video from sendrecv to sendonly

[GoogleCodeExporter]

What steps will reproduce the problem?
1. connect with other audio and video 
2. how close remote video while remote can see my  video,  



What is the expected output? What do you see instead?


What version of the product are you using? On what operating system?


Please provide any additional information below.

Original issue reported on code.google.com by [email protected] on 17 Jul 2015 at 8:11