VIDEOIO ERROR: V4L/V4L2: VIDIOC_S_CROP

1.直接到opencv解压目录把解压出的opencv包删掉 2.安装所需要的包 apt-get install libavcodec-dev libavformat-dev apt-get install libgstreamer0.10-0-dbglibgstreamer0.10-0 libgstreamer0.10-dev apt-get install libxine1-ffmpeg libxine-dev libxine1-bin apt-get install libunicap2 libunicap2-dev apt-get install libdc1394-22-dev libdc1394-22 libdc1394-utils apt-get install swig apt-get install libv4l-0 libv4l-dev apt-get install Python-numpy 3.重新编译安装Opencv。