[Bug 703399] v4l2: don't extract data from caps twice

[GStreamer (bugzilla.gnome.org)]

https://bugzilla.gnome.org/show_bug.cgi?id=703399
  GStreamer | gst-plugins-good | git

--- Comment #2 from Michael Olbrich <m.olbrich at pengutronix.de> 2013-07-01 15:33:48 UTC ---
Created an attachment (id=248159)
 View: https://bugzilla.gnome.org/attachment.cgi?id=248159
 Review: https://bugzilla.gnome.org/review?bug=703399&attachment=248159

patch

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