For #790, play or publish is not neccessary for bandwidth test.
For #790, play or publish is not neccessary for bandwidth test.

winlinvip/simple-rtmp-server,winlinvip/srs,ossrs/srs,ossrs/srs,winlinvip/srs,winlinvip/srs,winlinvip/srs,ossrs/srs,ossrs/srs,winlinvip/srs,ossrs/srs,winlinvip/srs,ossrs/srs