[Bug 767422] New: v4l2transform: Scaling does not work properly

GStreamer (GNOME Bugzilla) bugzilla at gnome.org
Wed Jun 8 20:25:10 UTC 2016


https://bugzilla.gnome.org/show_bug.cgi?id=767422

            Bug ID: 767422
           Summary: v4l2transform: Scaling does not work properly
    Classification: Platform
           Product: GStreamer
           Version: git master
                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: ---

While testing the new scaling code, I notice it's not doing it right. When I
do:

gst-launch-1.0 -v videotestsrc ! video/x-raw,format=NV12,width=640,height=480 !
v4l2video3convert ! video/x-raw,format=NV12_64Z32,width=1920,height=1080 !
kmssink

I get a 1080x1080 image rendered. The image seems scaled up properly, right end
of the image is being hidden.

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