Re: Cheese: no longer works with my webcam, other testing requested

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Hi,

On 02-11-17 19:44, Peter Robinson wrote:
On Thu, Nov 2, 2017 at 5:44 PM, Adam Williamson
<adamwill@xxxxxxxxxxxxxxxxx> wrote:
On Thu, 2017-11-02 at 18:49 +0200, Alexander Ploumistos wrote:
On Thu, Nov 2, 2017 at 5:42 PM, Adam Williamson
<adamwill@xxxxxxxxxxxxxxxxx> wrote:
I suspect it's rather down to which video colorspaces the hardware
supports. Thanks for the data though :)

So which component is at fault? Just cheese?

That I don't know, though I'd guess cheese or whatever package the v4l
bits are in.

Could be kernel, any part of the gstreamer1 stack, and maybe
v4l-utils, it could also be third party gstreamer plugins too if
enabled.

The bugzilla has this:

https://bugzilla.redhat.com/show_bug.cgi?id=1508706

libv4l2: error set_fmt gave us a different result then try_fmt!
libv4l2: error set_fmt gave us a different result then try_fmt!

Which points for most to a kernel bug and possibly a libv4l2 bug.

Either way as mentioned in the bug, I need someone who can
reproduce this to do:

 LIBV4L2_LOG_FILENAME=/tmp/log cheese

And then attach /tmp/log to the bug.

Lets keep any further discussion of this in bugzilla.

Regards,

Hans
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