[Bug 767801] New: Failed to negotiate RGBA for EGLImage on Raspberry Pi 3

[GStreamer (GNOME Bugzilla)]

https://bugzilla.gnome.org/show_bug.cgi?id=767801

            Bug ID: 767801
           Summary: Failed to negotiate RGBA for EGLImage on Raspberry Pi
                    3
    Classification: Platform
           Product: GStreamer
           Version: git master
                OS: Linux
            Status: NEW
          Severity: normal
          Priority: Normal
         Component: gst-omx
          Assignee: gstreamer-bugs at lists.freedesktop.org
          Reporter: zacattackcit at gmail.com
        QA Contact: gstreamer-bugs at lists.freedesktop.org
     GNOME version: ---

Created attachment 329974
  --> https://bugzilla.gnome.org/attachment.cgi?id=329974&action=edit
Log file showing omx error

I've built gst-omx from source and am trying to run on a Raspberry Pi 3.  The
versions in the Raspbian repo (version 1.4.4) works fine, but when using my
compiled version, I hit the following error:

"Failed to negotiate RGBA for EGLImage"

and the CPU gets railed instead of the minimal 5-10% usage I expect.  A minimal
pipeline that reproduces the error is this:

gst-launch-1.0 -vv -e rpicamsrc ! "video/x-h264,width=640,height=480" !
h264parse ! omxh264dec ! videoconvert ! glimagesink

A snippet of a log with GST_DEBUG=6 is attached.  I kept a couple thousand
lines on either side of the error--the log is very verbose!  Let me know if
there's anything else that would be useful to debug this.

Thanks!

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