[Bug 784674] New: v4l2: Aspect Ratio probe does not work

[GStreamer (GNOME Bugzilla)]

https://bugzilla.gnome.org/show_bug.cgi?id=784674

            Bug ID: 784674
           Summary: v4l2: Aspect Ratio probe does not work
    Classification: Platform
           Product: GStreamer
           Version: 1.8.2
                OS: Linux
            Status: NEW
          Severity: normal
          Priority: Normal
         Component: gst-plugins-good
          Assignee: gstreamer-bugs at lists.freedesktop.org
          Reporter: nicolas at ndufresne.ca
        QA Contact: gstreamer-bugs at lists.freedesktop.org
     GNOME version: ---

In the GstV4l2Object we try and probe the pixel aspect ratio, but (at least
with UVC driver) the passed width/height is totally ignore and replaced by the
currently setup width height. That has the side effect that the ratio is never
the one we expect. We will need to re-read the v4l2 spec around VIDIOC_CROPCAP.

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