For #307, refine the GSO for performance
For #307, refine the GSO for performance

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