[Bug 796789] v4l2 initialization fails with TRY_FMT call
GStreamer (GNOME Bugzilla)
bugzilla at gnome.org
Wed Jul 11 14:59:24 UTC 2018
https://bugzilla.gnome.org/show_bug.cgi?id=796789
Nicolas Dufresne (ndufresne) <nicolas at ndufresne.ca> changed:
What |Removed |Added
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CC| |nicolas at ndufresne.ca
--- Comment #1 from Nicolas Dufresne (ndufresne) <nicolas at ndufresne.ca> ---
On the device I would reproduce using a decodebin element:
gst-launch-1.0 v4l2src ! decodebin ! videoconvert ! ximagesink
When downstream is link, it will renegotiate, but the format should not change,
so something must be broken in the code that tries and ignore the change. Only
thing I'm worried is this kernel trace, but I do hope avoiding the renego will
avoid this firmware issue:
uvcvideo: Failed to query (130) UVC probe control : -32 (exp. 26).
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