运行./server_arm fastspeed.txt
start 2.0...
devide name:USB2.0_camera
width:640~48
height:480~32
ERROR:VIDIOSCPICT,can't set video_picture format
ERROR:VIDIOCGMBUF,can't get video_mbuf
Frames:0
ERROR:mmap
buffer size:0
offset:0
ERROR:VIDIOCMCAPTURE
ERROR:VIDIOCSYNC
segmentation fault
视像头是中星微，具体型号不知道，现在什么视像头是OV511的？？是不是视像头的问题！
