[FreeBSD 8/9] USB webcamd and video4bsd: Call for testing

Andriy Gapon avg at icyb.net.ua
Wed Jan 27 17:28:39 UTC 2010

on 27/01/2010 19:14 Hans Petter Selasky said the following:
> On Wednesday 27 January 2010 17:11:08 Andriy Gapon wrote:
>> BTW, on Skype with video4bsd - when I start Skype and try to configure a
>>  video device I get the following in system log:
>> kernel: linux: pid 21092 (skype): ioctl fd=10, cmd=0x7601 ('v',1) is not
>>  implemented kernel: linux: pid 21092 (skype): ioctl fd=39, cmd=0x7601
>>  ('v',1) is not implemented
>> And also I get the following on the stdout of webcamd (with Linux debug
>>  converted to printfs):
>> uvc_v4l2_open
>> Unknown ioctl 0x40047601
>> uvc_v4l2_release
>> P.S. I am using the latest versions of all required software _from ports_.
>> I haven't tried svn version of webcamd yet.
> Those IOCTL's should have been translated by linux.ko. When they are not, 
> /dev/videoX does not understand them.

I see.  So we need an additional translation.
I believe that this particular ioctl was VIDIOCGCAP (get capabilities).
But it doesn't look like we have V4B analogue for this.

Andriy Gapon

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