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Thread: Helps needed running the webcam with guvcvideo in Linaro 12.06 (embedded Linux)

  1. #1
    Join Date
    Jul 2013
    Beans
    1

    Helps needed running the webcam with guvcvideo in Linaro 12.06 (embedded Linux)

    Hi,

    I am trying to run my Logitech C270 webcam on Linaro 12.06 via guvcvideo, and here is the log

    Code:
    linaro@linaro-alip:~$ guvcview
    guvcview 1.5.3
    ALSA lib pcm.c:2217:(snd_pcm_open_noupdate) Unknown PCM cards.pcm.front
    ALSA lib pcm.c:2217:(snd_pcm_open_noupdate) Unknown PCM cards.pcm.rear
    ALSA lib pcm.c:2217:(snd_pcm_open_noupdate) Unknown PCM cards.pcm.center_lfe
    ALSA lib pcm.c:2217:(snd_pcm_open_noupdate) Unknown PCM cards.pcm.side
    ALSA lib pcm.c:2217:(snd_pcm_open_noupdate) Unknown PCM cards.pcm.surround40
    ALSA lib pcm.c:2217:(snd_pcm_open_noupdate) Unknown PCM cards.pcm.surround41
    ALSA lib pcm.c:2217:(snd_pcm_open_noupdate) Unknown PCM cards.pcm.surround50
    ALSA lib pcm.c:2217:(snd_pcm_open_noupdate) Unknown PCM cards.pcm.surround51
    ALSA lib pcm.c:2217:(snd_pcm_open_noupdate) Unknown PCM cards.pcm.surround71
    ALSA lib pcm.c:2217:(snd_pcm_open_noupdate) Unknown PCM cards.pcm.iec958
    ALSA lib pcm.c:2217:(snd_pcm_open_noupdate) Unknown PCM cards.pcm.iec958
    ALSA lib pcm.c:2217:(snd_pcm_open_noupdate) Unknown PCM cards.pcm.iec958
    ALSA lib pcm.c:2217:(snd_pcm_open_noupdate) Unknown PCM cards.pcm.hdmi
    ALSA lib pcm.c:2217:(snd_pcm_open_noupdate) Unknown PCM cards.pcm.hdmi
    ALSA lib pcm.c:2217:(snd_pcm_open_noupdate) Unknown PCM cards.pcm.modem
    ALSA lib pcm.c:2217:(snd_pcm_open_noupdate) Unknown PCM cards.pcm.modem
    ALSA lib pcm.c:2217:(snd_pcm_open_noupdate) Unknown PCM cards.pcm.phoneline
    ALSA lib pcm.c:2217:(snd_pcm_open_noupdate) Unknown PCM cards.pcm.phoneline
    ALSA lib pcm_dmix.c:957:(snd_pcm_dmix_open) The dmix plugin supports only playback stream
    Cannot connect to server socket err = No such file or directory
    Cannot connect to server socket
    jack server is not running or cannot be started
    video device: /dev/video0 
    unable to detect video devices on your system (0)
    ERROR opening V4L interface: No such file or directory
    Init video returned -1
    VIDIOC_REQBUFS - Failed to delete buffers: Invalid argument (errno 22)
    cleaned allocations - 100%
    Closing portaudio ...OK
    Terminated.
    Could anyone help me solve this problem?

  2. #2
    Join Date
    Jun 2006
    Location
    UK
    Beans
    Hidden!
    Distro
    Ubuntu 14.04 Trusty Tahr

    Re: Helps needed running the webcam with guvcvideo in Linaro 12.06 (embedded Linux)

    Support question.

    Thread moved to General Help.

    Please do not PM me about your forum account unless you have been asked to. The correct place to contact an admin about your account is here.

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