[Bug 759624] New: videoconvert: Odd behaviour between videoconvert and v4l2src

GStreamer (GNOME Bugzilla) bugzilla at gnome.org
Fri Dec 18 05:47:42 PST 2015


https://bugzilla.gnome.org/show_bug.cgi?id=759624

            Bug ID: 759624
           Summary: videoconvert: Odd behaviour between videoconvert and
                    v4l2src
    Classification: Platform
           Product: GStreamer
           Version: git master
                OS: Linux
            Status: NEW
          Severity: normal
          Priority: Normal
         Component: gst-plugins-base
          Assignee: gstreamer-bugs at lists.freedesktop.org
          Reporter: patcherwork at gmail.com
        QA Contact: gstreamer-bugs at lists.freedesktop.org
     GNOME version: ---

While testing with v4l2src and videoconvert I came across some unexpected
behavior. By changing the frame size i could cause the output frame colors to
break. The following example can be run in vivid to verify that it doesn't
work:

this is wrong:
gst-launch-1.0 -v v4l2src device=/dev/video3 !
video/x-raw,width=640,height=360,format=RGB ! videoconvert !
video/x-raw,format=I420  ! videoconvert ! ximagesink

this is right:

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