bug fix record file thread quit dup pkt

zhangmeng

2019-08-01 f6172eaa5f78d2af04e8e99fdf26b2b0ad4994d6

 csrc/ffmpeg/property/VideoProp.hpp

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

      bool          gpu_acc_;
        
        int          gpu_index_;
		
        AVRational      sample_aspect_ratio_;

   };