您好，我按照你的做了，终端显示：beaglebone-black-webcam#sthash.PcCwadq7.dpufttp://analogdigitallab.org/articles/
MJPG Streamer Version: svn rev:
DBG(input_uvc.c, input_init(), 136): argv[0]=UVC webcam grabber
DBG(input_uvc.c, input_init(), 302): input id: 0
i: Using V4L2 device.: /dev/video0
i: Desired Resolution: 640 x 480
i: Frames Per Second.: not limited
i: Format............: JPEG
i: TV-Norm...........: DEFAULT
DBG(input_uvc.c, input_init(), 355): vdIn pn: 0
[ 65.048161] usb 1-1: device descriptor read/64, error -71
[ 65.261024] usb 1-1: device descriptor read/64, error -71
DBG(v4l2uvc.c, init_videoIn(), 96): Input name: Camera 1
DBG(v4l2uvc.c, init_videoIn(), 109): Current size: 640x480
DBG(v4l2uvc.c, init_videoIn(), 138): Supported format: YUV 4:2:2 (YUYV)
DBG(v4l2uvc.c, init_videoIn(), 172): Supported size: 640x480
DBG(v4l2uvc.c, init_videoIn(), 172): Supported size: 352x288
DBG(v4l2uvc.c, init_videoIn(), 172): Supported size: 320x240
DBG(v4l2uvc.c, init_videoIn(), 172): Supported size: 176x144
DBG(v4l2uvc.c, init_videoIn(), 172): Supported size: 160x120
DBG(v4l2uvc.c, init_videoIn(), 178): current resolution: 255
DBG(dynctrl.c, initDynCtrls(), 240): UVCIOC_CTRL_MAP - Error at Pan (relative): No such file or directory (2)
DBG(dynctrl.c, initDynCtrls(), 240): UVCIOC_CTRL_MAP - Error at Tilt (relative): No such file or directory (2)
DBG(dynctrl.c, initDynCtrls(), 240): UVCIOC_CTRL_MAP - Error at Pan Reset: No such file or directory (2)
DBG(dynctrl.c, initDynCtrls(), 240): UVCIOC_CTRL_MAP - Error at Tilt Reset: No such file or directory (2)
DBG(dynctrl.c, initDynCtrls(), 240): UVCIOC_CTRL_MAP - Error at Focus (absolute): No such file or directory (2)
DBG(dynctrl.c, initDynCtrls(), 240): UVCIOC_CTRL_MAP - Error at LED1 Mode: No such file or directory (2)
DBG(dynctrl.c, initDynCtrls(), 240): UVCIOC_CTRL_MAP - Error at LED1 Frequency: No such file or directory (2)
DBG(dynctrl.c, initDynCtrls(), 240): UVCIOC_CTRL_MAP - Error at Disable video processing: No such file or directory (2)
DBG(dynctrl.c, initDynCtrls(), 240): UVCIOC_CTRL_MAP - Error at Raw bits per pixel: No such file or directory (2)
DBG(dynctrl.c, initDynCtrls(), 240): UVCIOC_CTRL_MAP - Error at LED1 Mode: No such file or directory (2)
DBG(v4l2uvc.c, enumerateControls(), 988): V4L2 API's V4L2_CTRL_FLAG_NEXT_CTRL is supported
DBG(v4l2uvc.c, control_readed(), 873): V4L2 parameter found: Brightness value 0 Class: USER
DBG(v4l2uvc.c, control_readed(), 873): V4L2 parameter found: Contrast value 0 Class: USER
DBG(v4l2uvc.c, control_readed(), 873): V4L2 parameter found: Saturation value 0 Class: USER
DBG(v4l2uvc.c, control_readed(), 873): V4L2 parameter found: Hue value 0 Class: USER
DBG(v4l2uvc.c, control_readed(), 873): V4L2 parameter found: Gamma value 0 Class: USER
DBG(v4l2uvc.c, control_readed(), 856): Menu item 0: Disabled
DBG(v4l2uvc.c, control_readed(), 856): Menu item 1: 50 Hz
DBG(v4l2uvc.c, control_readed(), 856): Menu item 2: 60 Hz
DBG(v4l2uvc.c, control_readed(), 873): V4L2 parameter found: Power Line Frequency value 0 Class: USER
DBG(v4l2uvc.c, control_readed(), 873): V4L2 parameter found: Sharpness value 0 Class: USER
DBG(v4l2uvc.c, control_readed(), 873): V4L2 parameter found: Backlight Compensation value 0 Class: USER
DBG(v4l2uvc.c, control_readed(), 858): Unable to get menu item for Exposure, Auto, index=0
DBG(v4l2uvc.c, control_readed(), 856): Menu item 1: Manual Mode
DBG(v4l2uvc.c, control_readed(), 858): Unable to get menu item for Exposure, Auto, index=2
DBG(v4l2uvc.c, control_readed(), 856): Menu item 3: Aperture Priority Mode
DBG(v4l2uvc.c, control_readed(), 881): V4L2 parameter found: Exposure, Auto value 0 Class: EXTENDED
DBG(v4l2uvc.c, enumerateControls(), 1023): JPEG compression details:
DBG(v4l2uvc.c, enumerateControls(), 1024): Quality: 0
DBG(v4l2uvc.c, enumerateControls(), 1025): APPn: 0
DBG(v4l2uvc.c, enumerateControls(), 1026): APP length: 0
DBG(v4l2uvc.c, enumerateControls(), 1027): APP data:
DBG(v4l2uvc.c, enumerateControls(), 1028): COM length: 0
DBG(v4l2uvc.c, enumerateControls(), 1029): COM data:
o: www-folder-path...: disabled
o: HTTP TCP port.....: 8080
o: username:password.: disabled
o: commands..........: enabled
DBG(input_uvc.c, input_run(), 400): launching camera thread #00。
摄像头灯亮了，IP地址也没问题，我用USB线连接的BBB，可是用浏览器打不开那个网页，用VLC软件也不行，提示您的输入无法被打开:
VLC 无法打开 MRL '192.168.7.2:8080/?action=stream'。请检查日志获取详细信息。“”。请问是什么原因 |
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