如何安装luvcview
我要在RK3399开发板的xubuntu系统安装luvcview，老是安装不了，怎么办啊？我装的系统是Firefly-rk3399_xubuntu1604_20170831，错误信息是
root@firefly:/home/firefly# apt-get install luvcview
Reading package lists... Done
Building dependency tree
Reading state information... Done
E: Unable to locate package luvcview
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