add zerocopy

zhangmeng

2019-11-20 dc65b072a13994ff02cc7b54f3b00ba087e7f86a

 csrc/ffmpeg/property/VideoProp.hpp

@@ -39,7 +39,8 @@
      int          udp_port_y_;

      bool          gpu_acc_;
        
        int          gpu_index_;
		
        AVRational      sample_aspect_ratio_;

   };