luvcview 安装以及检查摄像头支持的格式
https://launchpad.net/ubuntu/precise/amd64/luvcview/1:0.2.6-5
cmlnt@cmlnt-Parallels-Virtual-Platform:~$ luvcview -d /dev/video0 -L
luvcview 0.2.6
SDL information:
Video driver: x11
A window manager is available
Device information:
Device path: /dev/video0
{ pixelformat = 'MJPG', description = 'Motion-JPEG' }
{ discrete: width = 1920, height = 1080 }
Time interval between frame: 1/30, 1/25, 1/20, 1/15,
{ discrete: width = 1280, height = 720 }
Time interval between frame: 1/30, 1/25, 1/20, 1/15,
{ discrete: width = 640, height = 480 }
Time interval between frame: 1/30, 1/25, 1/20, 1/15,
{ discrete: width = 320, height = 240 }
Time interval between frame: 1/30, 1/25, 1/20, 1/15,
{ pixelformat = 'YUYV', description = 'YUYV 4:2:2' }
{ discrete: width = 640, height = 480 }
Time interval between frame: 1/30,
{ discrete: width = 320, height = 240 }
Time interval between frame: 1/30,
{ pixelformat = 'RGB3', description = 'RGB3' }
{ discrete: width = 1920, height = 1080 }
Time interval between frame: 1/30, 1/25, 1/20, 1/15,
{ discrete: width = 1280, height = 720 }
Time interval between frame: 1/30, 1/25, 1/20, 1/15,
{ discrete: width = 640, height = 480 }
Time interval between frame: 1/30,
{ discrete: width = 320, height = 240 }
Time interval between frame: 1/30,
{ pixelformat = 'BGR3', description = 'BGR3' }
{ discrete: width = 1920, height = 1080 }
Time interval between frame: 1/30, 1/25, 1/20, 1/15,
{ discrete: width = 1280, height = 720 }
Time interval between frame: 1/30, 1/25, 1/20, 1/15,
{ discrete: width = 640, height = 480 }
Time interval between frame: 1/30,
{ discrete: width = 320, height = 240 }
Time interval between frame: 1/30,
{ pixelformat = 'YU12', description = 'YU12' }
{ discrete: width = 1920, height = 1080 }
Time interval between frame: 1/30, 1/25, 1/20, 1/15,
{ discrete: width = 1280, height = 720 }
Time interval between frame: 1/30, 1/25, 1/20, 1/15,
{ discrete: width = 640, height = 480 }
Time interval between frame: 1/30,
{ discrete: width = 320, height = 240 }
Time interval between frame: 1/30,
{ pixelformat = 'YV12', description = 'YV12' }
{ discrete: width = 1920, height = 1080 }
Time interval between frame: 1/30, 1/25, 1/20, 1/15,
{ discrete: width = 1280, height = 720 }
Time interval between frame: 1/30, 1/25, 1/20, 1/15,
{ discrete: width = 640, height = 480 }
Time interval between frame: 1/30,
{ discrete: width = 320, height = 240 }
Time interval between frame: 1/30,
