[Bug 703712] New: avvideoscale negotiation error

[GStreamer (bugzilla.gnome.org)]

https://bugzilla.gnome.org/show_bug.cgi?id=703712
  GStreamer | gst-libav | 1.1.1

           Summary: avvideoscale negotiation error
    Classification: Platform
           Product: GStreamer
           Version: 1.1.1
        OS/Version: Linux
            Status: UNCONFIRMED
          Severity: blocker
          Priority: Normal
         Component: gst-libav
        AssignedTo: gstreamer-bugs at lists.freedesktop.org
        ReportedBy: raju.babannavar at gmail.com
         QAContact: gstreamer-bugs at lists.freedesktop.org
     GNOME version: ---


Created an attachment (id=248524)
 View: https://bugzilla.gnome.org/attachment.cgi?id=248524
 Review: https://bugzilla.gnome.org/review?bug=703712&attachment=248524

In  the attached file I have fixed the issue described above

I am using gstreamer-1.1.1 version. When I was testing the pipeline with
following command, I found negotiation errors.

gst-launch-1.0 filesrc location=720p_504f.yuv ! videoparse width=1280
height=720  ! avvideoscale ! video/x-raw,width=176,height=144  ! filesink
location=176x144_504f.yuv

To reproduce this issue, run above command with any 720P yuv input.

Later I further debugged this issue and found the solution. I have attached a
patch for this issue. Can anybody confirm the issue and patch??

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