[Bug 766711] New: v4l2transform: scaling is broken in case of fixed pixel aspect ratio

GStreamer (GNOME Bugzilla) bugzilla at gnome.org
Fri May 20 12:21:42 UTC 2016


https://bugzilla.gnome.org/show_bug.cgi?id=766711

            Bug ID: 766711
           Summary: v4l2transform: scaling is broken in case of fixed
                    pixel aspect  ratio
    Classification: Platform
           Product: GStreamer
           Version: 1.8.1
                OS: Linux
            Status: NEW
          Severity: normal
          Priority: Normal
         Component: gst-plugins-good
          Assignee: gstreamer-bugs at lists.freedesktop.org
          Reporter: p.zabel at pengutronix.de
        QA Contact: gstreamer-bugs at lists.freedesktop.org
     GNOME version: ---

Created attachment 328254
  --> https://bugzilla.gnome.org/attachment.cgi?id=328254&action=edit
v4l2transform: fix scaling in case of fixed pixel aspect ratio

Currently, when changing aspect ratio from input DAR to fixed output PAR, the
fractions are multiplied to find the width scaling factor. Instead, the ratio
between them should be used.

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