mjpg-streamer在Ubuntu下编译，运行

1.将USB摄像头插上，查看是否找到设备，输入：

wp@ubuntu:/home/$    ls   /dev/video*

/dev/video0

2.安装必要的软件集：

sudo apt-get install subversion  libv4l-dev  libjpeg62-dev  imagemagick

3.下载mipg-streamer软件，编译并安装：

git clone https://github.com/shrkey/mjpg-streamer
cd mjpg-streamer/mjpg-streamer
make  clean all
sudo make  install

ps：重新编译前，需要执行
make clean（相对make)
make uninstall（相对make install）

4.开启视频服务器

wp@ubuntu:/home/mjpg-streamer/mjpg-streamer$ ./start.sh 
MJPG Streamer Version: svn rev: Unversioned directory
 i: Using V4L2 device.: /dev/video0
 i: Desired Resolution: 640 x 480
 i: Frames Per Second.: 5
 i: Format............: MJPEG
Adding control for Pan (relative)
UVCIOC_CTRL_ADD - Error: Inappropriate ioctl for device
Adding control for Tilt (relative)
UVCIOC_CTRL_ADD - Error: Inappropriate ioctl for device
Adding control for Pan Reset
UVCIOC_CTRL_ADD - Error: Inappropriate ioctl for device
Adding control for Tilt Reset
UVCIOC_CTRL_ADD - Error: Inappropriate ioctl for device
Adding control for Pan/tilt Reset
UVCIOC_CTRL_ADD - Error: Inappropriate ioctl for device
Adding control for Focus (absolute)
UVCIOC_CTRL_ADD - Error: Inappropriate ioctl for device
mapping control for Pan (relative)
UVCIOC_CTRL_MAP - Error: Inappropriate ioctl for device
mapping control for Tilt (relative)
UVCIOC_CTRL_MAP - Error: Inappropriate ioctl for device
mapping control for Pan Reset
UVCIOC_CTRL_MAP - Error: Inappropriate ioctl for device
mapping control for Tilt Reset
UVCIOC_CTRL_MAP - Error: Inappropriate ioctl for device
mapping control for Pan/tilt Reset
UVCIOC_CTRL_MAP - Error: Inappropriate ioctl for device
mapping control for Focus (absolute)
UVCIOC_CTRL_MAP - Error: Inappropriate ioctl for device
mapping control for LED1 Mode
UVCIOC_CTRL_MAP - Error: Inappropriate ioctl for device
mapping control for LED1 Frequency
UVCIOC_CTRL_MAP - Error: Inappropriate ioctl for device
mapping control for Disable video processing
UVCIOC_CTRL_MAP - Error: Inappropriate ioctl for device
mapping control for Raw bits per pixel
UVCIOC_CTRL_MAP - Error: Inappropriate ioctl for device
 o: www-folder-path...: ./www/
 o: HTTP TCP port.....: 8080
 o: username:password.: disabled
 o: commands..........: enabled

( 注意：在ubuntu 里面运行 ，这里面的错误可以不用理会 )

或者在profile文件中，添加如下代码，将其添加到环境变量中。

sudo nano /etc/proflie
export   LD_LIBRARY_PATH=/usr/local/lib

5 测试：

http://192.168.1.200:8080/