Hi, I did not fully inderstand how to seperverbose driver logs,
the key in guvcview -v only, not like -vvv in vlc.
DMESG once again
when camera plugged in
46064.024031] usb 1-1: new high speed USB device using ehci_hcd and
address 7
[46064.158039] usb 1-1: configuration #1 chosen from 1 choice
[46064.158652] uvcvideo: Found UVC 1.00 device USB2.0 PC CAMERA
(18ec:3188)
[46064.158900] uvcvideo: UVC non compliance - GET_DEF(PROBE) not
supported. Enabling workaround.
[46064.159391] input: USB2.0 PC CAMERA
as /devices/pci0000:00/0000:00:1d.7/usb1/1-1/1-1:1.0/input/input10
then when guvcview called
[46206.284313] uvcvideo: Failed to query (130) UVC probe control : 0
(exp. 26).
[46206.287686] uvcvideo: Failed to query (130) UVC probe control : 0
(exp. 26).
kuz...@kuzmin-desktop:~$ guvcview -v
guvcview 1.4.1
(process:13812): Gtk-WARNING **: Locale not supported by C library.
Using the fallback 'C' locale.
unexpected integer value (0) for vid_mux
Strings must be quoted
unexpected integer value (1) for snd_numsec
Strings must be quoted
unexpected integer value (160) for snd_bitrate
Strings must be quoted
unexpected integer value (2) for Pan_Step
Strings must be quoted
unexpected integer value (2) for Tilt_Step
Strings must be quoted
video_device: /dev/video0
vid_sleep: 0
cap_meth: 1
resolution: 640 x 480
windowsize: 480 x 700
vert pane: 0
spin behavior: 0
mode: mjpg
fps: 1/25
Display Fps: 0
bpp: 0
hwaccel: 1
avi_format: 0
sound: 1
sound Device: 0
sound samp rate: 0
sound Channels: 0
Sound delay: 0 nanosec
Sound Format: 80
Pan Step: 2 degrees
Tilt Step: 2 degrees
Video Filter Flags: 0
image inc: 0
profile(default):/home/kuzmin/default.gpfl
starting portaudio...
bt_audio_service_open: connect() failed: Connection refused (111)
bt_audio_service_open: connect() failed: Connection refused (111)
bt_audio_service_open: connect() failed: Connection refused (111)
bt_audio_service_open: connect() failed: Connection refused (111)
language catalog=> dir:/usr/share/locale type:(null) lang:en_EN
cat:guvcview.mo
mjpg: setting format to 1196444237
capture method = 1
video device: /dev/video0
/dev/video0 - device 1
Init. USB2.0 PC CAMERA (location: usb-0000:00:1d.7-1)
{ pixelformat = 'MJPG', description = 'MJPEG' }
{ discrete: width = 640, height = 480 }
Time interval between frame: 1/25, 1/20, 1/15, 1/10,
{ discrete: width = 640, height = 480 }
Time interval between frame: 1/25, 1/20, 1/15, 1/10,
{ discrete: width = 320, height = 240 }
Time interval between frame: 1/25, 1/20, 1/15, 1/10,
{ pixelformat = 'YUYV', description = 'YUV 4:2:2 (YUYV)' }
{ discrete: width = 320, height = 240 }
Time interval between frame: 1/25, 1/20, 1/15, 1/10,
{ pixelformat = 'RGB3', description = 'RGB3' }
{ discrete: width = 640, height = 480 }
Time interval between frame: 1/25, 1/20, 1/15, 1/10,
{ discrete: width = 320, height = 240 }
Time interval between frame: 1/25, 1/20, 1/15, 1/10,
{ pixelformat = 'BGR3', description = 'BGR3' }
{ discrete: width = 640, height = 480 }
Time interval between frame: 1/25, 1/20, 1/15, 1/10,
{ discrete: width = 320, height = 240 }
Time interval between frame: 1/25, 1/20, 1/15, 1/10,
{ pixelformat = 'YU12', description = 'YU12' }
{ discrete: width = 640, height = 480 }
Time interval between frame: 1/25, 1/20, 1/15, 1/10,
{ discrete: width = 320, height = 240 }
Time interval between frame: 1/25, 1/20, 1/15, 1/10,
{ pixelformat = 'YV12', description = 'YV12' }
{ discrete: width = 640, height = 480 }
Time interval between frame: 1/25, 1/20, 1/15, 1/10,
{ discrete: width = 320, height = 240 }
Time interval between frame: 1/25, 1/20, 1/15, 1/10,
vid:18ec
pid:3188
driver:uvcvideo
checking format: 1196444237
VIDIOC_S_FORMAT - Unable to set format: Input/output error
Init v4L2 failed !!
Init video returned -2
trying minimum setup ...
capture method = 1
video device: /dev/video0
/dev/video0 - device 1
Init. USB2.0 PC CAMERA (location: usb-0000:00:1d.7-1)
{ pixelformat = 'MJPG', description = 'MJPEG' }
{ discrete: width = 640, height = 480 }
Time interval between frame: 1/25, 1/20, 1/15, 1/10,
{ discrete: width = 640, height = 480 }
Time interval between frame: 1/25, 1/20, 1/15, 1/10,
{ discrete: width = 320, height = 240 }
Time interval between frame: 1/25, 1/20, 1/15, 1/10,
{ pixelformat = 'YUYV', description = 'YUV 4:2:2 (YUYV)' }
{ discrete: width = 320, height = 240 }
Time interval between frame: 1/25, 1/20, 1/15, 1/10,
{ pixelformat = 'RGB3', description = 'RGB3' }
{ discrete: width = 640, height = 480 }
Time interval between frame: 1/25, 1/20, 1/15, 1/10,
{ discrete: width = 320, height = 240 }
Time interval between frame: 1/25, 1/20, 1/15, 1/10,
{ pixelformat = 'BGR3', description = 'BGR3' }
{ discrete: width = 640, height = 480 }
Time interval between frame: 1/25, 1/20, 1/15, 1/10,
{ discrete: width = 320, height = 240 }
Time interval between frame: 1/25, 1/20, 1/15, 1/10,
{ pixelformat = 'YU12', description = 'YU12' }
{ discrete: width = 640, height = 480 }
Time interval between frame: 1/25, 1/20, 1/15, 1/10,
{ discrete: width = 320, height = 240 }
Time interval between frame: 1/25, 1/20, 1/15, 1/10,
{ pixelformat = 'YV12', description = 'YV12' }
{ discrete: width = 640, height = 480 }
Time interval between frame: 1/25, 1/20, 1/15, 1/10,
{ discrete: width = 320, height = 240 }
Time interval between frame: 1/25, 1/20, 1/15, 1/10,
vid:18ec
pid:3188
driver:uvcvideo
checking format: 1196444237
VIDIOC_S_FORMAT - Unable to set format: Input/output error
Init v4L2 failed !!
ERROR: Minimum Setup Failed.
Exiting...
free audio mutex
VIDIOC_REQBUFS - Failed to delete buffers: Invalid argument (errno 22)
closed v4l2 strutures
free controls - vidState
cleaned allocations - 100%
Closing portaudio ...OK
Terminated.
В Срд, 23/06/2010 в 23:52 +0100, Paulo Assis пишет:
> Andrew Hi,
> By default vlc uses libv4l, just like most other software, when this
> fails it reverts to direct v4l2 access, (you probably should also
> check your libv4l version and update it if needed)
> vlc seems to be able to open a MJPG stream after a few failed
> attempts, I can't really understand why it fails with the other
> software (it returns a I/O error when trying to set the stream
> format).
> Can you increase the driver verbosity and check for error messages with dmesg
> ?
>
> Regards,
> Paulo
>
> 2010/6/23 Andrew V Kuzmin <freeg...@mail.ru>:
> > Got the latest version, but error still happened (logs below)
> > Have you seen the vlc logs?
> > It seems that cam not supported by гмс drivers - direct kernel v4l2 -
> > what does it means?
> >
> >
> > [0x8e24368] v4l2 demux debug: will try to find optimal width and height.
> > libv4l2: error setting pixformat: Input/output error
> > libv4l2: error setting pixformat: Input/output error
> > libv4l2: error setting pixformat: Input/output error
> > [0x8e24368] v4l2 demux warning: Could not select any of the default
> > chromas; attempting to open as MPEG encoder card (access)
> > [0x8e24368] main demux warning: no access_demux module matching "v4l2"
> > could be loaded
> > [0x8e24368] main demux debug: TIMER module_need() : 55.611 ms - Total
> > 55.611 ms / 1 intvls (Avg 55.611 ms)
> > [0x8bdfa98] main input debug: creating access 'v4l2' path=''
> > [0x8e28398] main access debug: looking for access module: 1 candidate
> > [0x8e28398] v4l2 access debug: Trying direct kernel v4l2
> > [0x8e28398] v4l2 access debug: opening device '/dev/video0'
> >
> >
> >
> > kuz...@kuzmin-desktop:~$ guvcview --format yuyv
> > guvcview 1.4.1
> >
> > (process:4154): Gtk-WARNING **: Locale not supported by C library.
> > Using the fallback 'C' locale.
> > unexpected integer value (0) for vid_mux
> > Strings must be quoted
> > unexpected integer value (1) for snd_numsec
> > Strings must be quoted
> > unexpected integer value (160) for snd_bitrate
> > Strings must be quoted
> > unexpected integer value (2) for Pan_Step
> > Strings must be quoted
> > unexpected integer value (2) for Tilt_Step
> > Strings must be quoted
> > bt_audio_service_open: connect() failed: Connection refused (111)
> > bt_audio_service_open: connect() failed: Connection refused (111)
> > bt_audio_service_open: connect() failed: Connection refused (111)
> > bt_audio_service_open: connect() failed: Connection refused (111)
> > video device: /dev/video0
> > /dev/video0 - device 1
> > Init. USB2.0 PC CAMERA (location: usb-0000:00:1d.7-1)
> > { pixelformat = 'MJPG', description = 'MJPEG' }
> > { discrete: width = 640, height = 480 }
> > Time interval between frame: 1/25, 1/20, 1/15, 1/10,
> > { discrete: width = 640, height = 480 }
> > Time interval between frame: 1/25, 1/20, 1/15, 1/10,
> > { discrete: width = 320, height = 240 }
> > Time interval between frame: 1/25, 1/20, 1/15, 1/10,
> > { pixelformat = 'YUYV', description = 'YUV 4:2:2 (YUYV)' }
> > { discrete: width = 320, height = 240 }
> > Time interval between frame: 1/25, 1/20, 1/15, 1/10,
> > { pixelformat = 'RGB3', description = 'RGB3' }
> > { discrete: width = 640, height = 480 }
> > Time interval between frame: 1/25, 1/20, 1/15, 1/10,
> > { discrete: width = 320, height = 240 }
> > Time interval between frame: 1/25, 1/20, 1/15, 1/10,
> > { pixelformat = 'BGR3', description = 'BGR3' }
> > { discrete: width = 640, height = 480 }
> > Time interval between frame: 1/25, 1/20, 1/15, 1/10,
> > { discrete: width = 320, height = 240 }
> > Time interval between frame: 1/25, 1/20, 1/15, 1/10,
> > { pixelformat = 'YU12', description = 'YU12' }
> > { discrete: width = 640, height = 480 }
> > Time interval between frame: 1/25, 1/20, 1/15, 1/10,
> > { discrete: width = 320, height = 240 }
> > Time interval between frame: 1/25, 1/20, 1/15, 1/10,
> > { pixelformat = 'YV12', description = 'YV12' }
> > { discrete: width = 640, height = 480 }
> > Time interval between frame: 1/25, 1/20, 1/15, 1/10,
> > { discrete: width = 320, height = 240 }
> > Time interval between frame: 1/25, 1/20, 1/15, 1/10,
> > vid:18ec
> > pid:3188
> > driver:uvcvideo
> > checking format: 1448695129
> > VIDIOC_S_FORMAT - Unable to set format: Input/output error
> > Init v4L2 failed !!
> > Init video returned -2
> > trying minimum setup ...
> > video device: /dev/video0
> > /dev/video0 - device 1
> > Init. USB2.0 PC CAMERA (location: usb-0000:00:1d.7-1)
> > { pixelformat = 'MJPG', description = 'MJPEG' }
> > { discrete: width = 640, height = 480 }
> > Time interval between frame: 1/25, 1/20, 1/15, 1/10,
> > { discrete: width = 640, height = 480 }
> > Time interval between frame: 1/25, 1/20, 1/15, 1/10,
> > { discrete: width = 320, height = 240 }
> > Time interval between frame: 1/25, 1/20, 1/15, 1/10,
> > { pixelformat = 'YUYV', description = 'YUV 4:2:2 (YUYV)' }
> > { discrete: width = 320, height = 240 }
> > Time interval between frame: 1/25, 1/20, 1/15, 1/10,
> > { pixelformat = 'RGB3', description = 'RGB3' }
> > { discrete: width = 640, height = 480 }
> > Time interval between frame: 1/25, 1/20, 1/15, 1/10,
> > { discrete: width = 320, height = 240 }
> > Time interval between frame: 1/25, 1/20, 1/15, 1/10,
> > { pixelformat = 'BGR3', description = 'BGR3' }
> > { discrete: width = 640, height = 480 }
> > Time interval between frame: 1/25, 1/20, 1/15, 1/10,
> > { discrete: width = 320, height = 240 }
> > Time interval between frame: 1/25, 1/20, 1/15, 1/10,
> > { pixelformat = 'YU12', description = 'YU12' }
> > { discrete: width = 640, height = 480 }
> > Time interval between frame: 1/25, 1/20, 1/15, 1/10,
> > { discrete: width = 320, height = 240 }
> > Time interval between frame: 1/25, 1/20, 1/15, 1/10,
> > { pixelformat = 'YV12', description = 'YV12' }
> > { discrete: width = 640, height = 480 }
> > Time interval between frame: 1/25, 1/20, 1/15, 1/10,
> > { discrete: width = 320, height = 240 }
> > Time interval between frame: 1/25, 1/20, 1/15, 1/10,
> > vid:18ec
> > pid:3188
> > driver:uvcvideo
> > checking format: 1196444237
> > VIDIOC_S_FORMAT - Unable to set format: Input/output error
> > Init v4L2 failed !!
> > ERROR: Minimum Setup Failed.
> > Exiting...
> > VIDIOC_REQBUFS - Failed to delete buffers: Invalid argument (errno 22)
> > cleaned allocations - 100%
> > Closing portaudio ...O
> >
> > В Срд, 23/06/2010 в 17:05 +0100, Paulo Assis пишет:
> >> guvcview --format yuyv
> >
> >
>
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