如何查看usb摄像头支持的输出格式

lid@lid-VirtualBox:~/share/v4l2/usbcamera/usbcamera$ luvcview -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 = 640, height = 480 }

Time interval between frame: 1/30, 1/25, 1/20, 1/15, 1/10, 1/5, 

{ discrete: width = 160, height = 120 }

Time interval between frame: 1/30, 1/25, 1/20, 1/15, 1/10, 1/5, 

{ discrete: width = 320, height = 240 }

Time interval between frame: 1/30, 1/25, 1/20, 1/15, 1/10, 1/5, 

{ discrete: width = 352, height = 288 }

Time interval between frame: 1/30, 1/25, 1/20, 1/15, 1/10, 1/5, 

{ discrete: width = 1280, height = 720 }

Time interval between frame: 1/30, 1/25, 1/20, 1/15, 1/10, 1/5, 

{ discrete: width = 800, height = 600 }

Time interval between frame: 1/30, 1/25, 1/20, 1/15, 1/10, 1/5, 

{ discrete: width = 1024, height = 768 }

Time interval between frame: 1/30, 1/25, 1/20, 1/15, 1/10, 1/5, 

{ discrete: width = 1920, height = 1080 }

Time interval between frame: 1/30, 1/25, 1/20, 1/15, 1/10, 1/5, 

{ discrete: width = 1280, height = 1024 }

Time interval between frame: 1/30, 1/25, 1/20, 1/15, 1/10, 1/5, 

{ discrete: width = 960, height = 540 }

Time interval between frame: 1/20, 1/15, 1/10, 1/5, 

{ pixelformat = 'RGB3', description = 'RGB3' }

{ discrete: width = 640, height = 480 }

Time interval between frame: 1/30, 1/25, 1/20, 1/15, 1/10, 1/5, 

{ discrete: width = 160, height = 120 }

Time interval between frame: 1/30, 1/25, 1/20, 1/15, 1/10, 1/5, 

{ discrete: width = 320, height = 240 }

Time interval between frame: 1/30, 1/25, 1/20, 1/15, 1/10, 1/5, 

{ discrete: width = 352, height = 288 }

Time interval between frame: 1/30, 1/25, 1/20, 1/15, 1/10, 1/5, 

{ discrete: width = 1280, height = 720 }

Time interval between frame: 1/30, 1/25, 1/20, 1/15, 1/10, 1/5, 

{ discrete: width = 800, height = 600 }

Time interval between frame: 1/30, 1/25, 1/20, 1/15, 1/10, 1/5, 

{ discrete: width = 1024, height = 768 }

Time interval between frame: 1/30, 1/25, 1/20, 1/15, 1/10, 1/5, 

{ discrete: width = 1920, height = 1080 }

Time interval between frame: 1/30, 1/25, 1/20, 1/15, 1/10, 1/5, 

{ discrete: width = 1280, height = 1024 }

Time interval between frame: 1/30, 1/25, 1/20, 1/15, 1/10, 1/5, 

{ discrete: width = 960, height = 540 }

Time interval between frame: 1/20, 1/15, 1/10, 1/5, 

{ pixelformat = 'BGR3', description = 'BGR3' }

{ discrete: width = 640, height = 480 }

Time interval between frame: 1/30, 1/25, 1/20, 1/15, 1/10, 1/5, 

{ discrete: width = 160, height = 120 }

Time interval between frame: 1/30, 1/25, 1/20, 1/15, 1/10, 1/5, 

{ discrete: width = 320, height = 240 }

Time interval between frame: 1/30, 1/25, 1/20, 1/15, 1/10, 1/5, 

{ discrete: width = 352, height = 288 }

Time interval between frame: 1/30, 1/25, 1/20, 1/15, 1/10, 1/5, 

{ discrete: width = 1280, height = 720 }

Time interval between frame: 1/30, 1/25, 1/20, 1/15, 1/10, 1/5, 

{ discrete: width = 800, height = 600 }

Time interval between frame: 1/30, 1/25, 1/20, 1/15, 1/10, 1/5, 

{ discrete: width = 1024, height = 768 }

Time interval between frame: 1/30, 1/25, 1/20, 1/15, 1/10, 1/5, 

{ discrete: width = 1920, height = 1080 }

Time interval between frame: 1/30, 1/25, 1/20, 1/15, 1/10, 1/5, 

{ discrete: width = 1280, height = 1024 }

Time interval between frame: 1/30, 1/25, 1/20, 1/15, 1/10, 1/5, 

{ discrete: width = 960, height = 540 }

Time interval between frame: 1/20, 1/15, 1/10, 1/5, 

{ pixelformat = 'YU12', description = 'YU12' }

{ discrete: width = 640, height = 480 }

Time interval between frame: 1/30, 1/25, 1/20, 1/15, 1/10, 1/5, 

{ discrete: width = 160, height = 120 }

Time interval between frame: 1/30, 1/25, 1/20, 1/15, 1/10, 1/5, 

{ discrete: width = 320, height = 240 }

Time interval between frame: 1/30, 1/25, 1/20, 1/15, 1/10, 1/5, 

{ discrete: width = 352, height = 288 }

Time interval between frame: 1/30, 1/25, 1/20, 1/15, 1/10, 1/5, 

{ discrete: width = 1280, height = 720 }

Time interval between frame: 1/30, 1/25, 1/20, 1/15, 1/10, 1/5, 

{ discrete: width = 800, height = 600 }

Time interval between frame: 1/30, 1/25, 1/20, 1/15, 1/10, 1/5, 

{ discrete: width = 1024, height = 768 }

Time interval between frame: 1/30, 1/25, 1/20, 1/15, 1/10, 1/5, 

{ discrete: width = 1920, height = 1080 }

Time interval between frame: 1/30, 1/25, 1/20, 1/15, 1/10, 1/5, 

{ discrete: width = 1280, height = 1024 }

Time interval between frame: 1/30, 1/25, 1/20, 1/15, 1/10, 1/5, 

{ discrete: width = 960, height = 540 }

Time interval between frame: 1/20, 1/15, 1/10, 1/5, 

{ pixelformat = 'YV12', description = 'YV12' }

{ discrete: width = 640, height = 480 }

Time interval between frame: 1/30, 1/25, 1/20, 1/15, 1/10, 1/5, 

{ discrete: width = 160, height = 120 }

Time interval between frame: 1/30, 1/25, 1/20, 1/15, 1/10, 1/5, 

{ discrete: width = 320, height = 240 }

Time interval between frame: 1/30, 1/25, 1/20, 1/15, 1/10, 1/5, 

{ discrete: width = 352, height = 288 }

Time interval between frame: 1/30, 1/25, 1/20, 1/15, 1/10, 1/5, 

{ discrete: width = 1280, height = 720 }

Time interval between frame: 1/30, 1/25, 1/20, 1/15, 1/10, 1/5, 

{ discrete: width = 800, height = 600 }

Time interval between frame: 1/30, 1/25, 1/20, 1/15, 1/10, 1/5, 

{ discrete: width = 1024, height = 768 }

Time interval between frame: 1/30, 1/25, 1/20, 1/15, 1/10, 1/5, 

{ discrete: width = 1920, height = 1080 }

Time interval between frame: 1/30, 1/25, 1/20, 1/15, 1/10, 1/5, 

{ discrete: width = 1280, height = 1024 }

Time interval between frame: 1/30, 1/25, 1/20, 1/15, 1/10, 1/5, 

{ discrete: width = 960, height = 540 }

Time interval between frame: 1/20, 1/15, 1/10, 1/5, 

lid@lid-VirtualBox:~/share/v4l2/usbcamera/usbcamera$ 

#define V4L2_PIX_FMT_RGB332 v4l2_fourcc('R','G','B','1')  
#define V4L2_PIX_FMT_RGB555 v4l2_fourcc('R','G','B','O')  
#define V4L2_PIX_FMT_RGB565 v4l2_fourcc('R','G','B','P')  
#define V4L2_PIX_FMT_RGB555X v4l2_fourcc('R','G','B','Q')  
#define V4L2_PIX_FMT_RGB565X v4l2_fourcc('R','G','B','R')  
#define V4L2_PIX_FMT_BGR24 v4l2_fourcc('B','G','R','3')  
#define V4L2_PIX_FMT_RGB24 v4l2_fourcc('R','G','B','3')  
#define V4L2_PIX_FMT_BGR32 v4l2_fourcc('B','G','R','4')  
#define V4L2_PIX_FMT_RGB32 v4l2_fourcc('R','G','B','4')  
#define V4L2_PIX_FMT_GREY v4l2_fourcc('G','R','E','Y')  
#define V4L2_PIX_FMT_YVU410 v4l2_fourcc('Y','V','U','9')  
#define V4L2_PIX_FMT_YVU420 v4l2_fourcc('Y','V','1','2')  
#define V4L2_PIX_FMT_YUYV v4l2_fourcc('Y','U','Y','V')  
#define V4L2_PIX_FMT_UYVY v4l2_fourcc('U','Y','V','Y')  
#define V4L2_PIX_FMT_YUV422P v4l2_fourcc('4','2','2','P')  
#define V4L2_PIX_FMT_YUV411P v4l2_fourcc('4','1','1','P')  
#define V4L2_PIX_FMT_Y41P v4l2_fourcc('Y','4','1','P')  

#define V4L2_PIX_FMT_NV12 v4l2_fourcc('N','V','1','2')  
#define V4L2_PIX_FMT_NV21 v4l2_fourcc('N','V','2','1')  

#define V4L2_PIX_FMT_YUV410 v4l2_fourcc('Y','U','V','9')  
#define V4L2_PIX_FMT_YUV420 v4l2_fourcc('Y','U','1','2')  
#define V4L2_PIX_FMT_YYUV v4l2_fourcc('Y','Y','U','V')  
#define V4L2_PIX_FMT_HI240 v4l2_fourcc('H','I','2','4')  
#define V4L2_PIX_FMT_HM12 v4l2_fourcc('H','M','1','2')  

#define V4L2_PIX_FMT_SBGGR8 v4l2_fourcc('B','A','8','1')  

#define V4L2_PIX_FMT_MJPEG v4l2_fourcc('M','J','P','G')  
#define V4L2_PIX_FMT_JPEG v4l2_fourcc('J','P','E','G')  
#define V4L2_PIX_FMT_DV v4l2_fourcc('d','v','s','d')  
#define V4L2_PIX_FMT_MPEG v4l2_fourcc('M','P','E','G')  

#define V4L2_PIX_FMT_WNVA v4l2_fourcc('W','N','V','A')  
#define V4L2_PIX_FMT_SN9C10X v4l2_fourcc('S','9','1','0')  
#define V4L2_PIX_FMT_PWC1 v4l2_fourcc('P','W','C','1')  
#define V4L2_PIX_FMT_PWC2 v4l2_fourcc('P','W','C','2')  
#define V4L2_PIX_FMT_ET61X251 v4l2_fourcc('E','6','2','5')