Raspberry pi camera module error

[oturan233]

Hi guys, thanks for this great tool.

I'm a newbie and trying this fswebcam tool in the raspberian linux smart mirror project . Although USB webcam works without any issue, Raspberry camera module gives error. Can you please help?

Best regards,

fswebcam -r 1280x1024 --no-banner image1.jpeg+
--- Opening /dev/video0...
Trying source module v4l2...
/dev/video0 opened.
No input was specified, using the first.
Error starting stream.
VIDIOC_STREAMON: Invalid argument
Unable to use mmap. Using read instead.
--- Capturing frame...
VIDIOC_DQBUF: Invalid argument
Segmentation fault

---

ozgur@raspberrypi:~$ v4l2-ctl --list-devices
bcm2835-codec-decode (platform:bcm2835-codec):
/dev/video10
/dev/video11
/dev/video12
/dev/video18
/dev/video31
/dev/media4

bcm2835-isp (platform:bcm2835-isp):
/dev/video13
/dev/video14
/dev/video15
/dev/video16
/dev/video20
/dev/video21
/dev/video22
/dev/video23
/dev/media1
/dev/media3

unicam (platform:fe801000.csi):
/dev/video0
/dev/video1
/dev/media0

rpivid (platform:rpivid):
/dev/video19
/dev/media2