[Bug 732326] v4l2: slow UVC webcam startup due to excessive S_FMT

[GStreamer (bugzilla.gnome.org)]

https://bugzilla.gnome.org/show_bug.cgi?id=732326
  GStreamer | gst-plugins-good | git

--- Comment #15 from Nicolas Dufresne <nicolas.dufresne at collabora.co.uk> 2014-07-01 16:33:59 UTC ---
(In reply to comment #14)
> I think attachment #279374 [details] already drops the whole save/restore mechanism, but
> I'll be happy to remove more stuff if you point me towards it.
> 
> I tested that patch plus a change to the code to temporarily break TRY_FMT so
> it fell back to S_FMT. Nothing went majorly wrong but the webcam video feed did
> come up at a lower resolution than normal. (testing with gst-launch v4l2src !
> xvimagesink)

Sorry, was looking at the latest patch and forgot about the old one. Yes, this
one drops the save/restore entirely. and is the way forward. Sorry for the
delay, I'm on vacation, so only look at emails ever few days. I also had to
figure-out what was all this needed for.

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