merge so

zhangmeng

2019-07-19 e6725cb3cf4ced3a6985d4d3db4d5cf1336a30d8

 csrc/ffmpeg/property/VideoProp.cpp

@@ -17,6 +17,7 @@
   ,udp_port_x_(5000)
   ,udp_port_y_(65000)
    ,gpu_acc_(true)
   ,gpu_index_(-1)
    ,sample_aspect_ratio_(AVRational{0,1})
   {}