[Bug 734606] New: gst_video_frame_map_id: assertion 'GST_IS_BUFFER (buffer)' failed and a memory usage (leak?) issue

[GStreamer (bugzilla.gnome.org)]

https://bugzilla.gnome.org/show_bug.cgi?id=734606
  GStreamer | gstreamer (core) | 1.x

           Summary: gst_video_frame_map_id: assertion 'GST_IS_BUFFER
                    (buffer)' failed and a memory usage (leak?) issue
    Classification: Platform
           Product: GStreamer
           Version: 1.x
        OS/Version: Linux
            Status: UNCONFIRMED
          Severity: normal
          Priority: Normal
         Component: gstreamer (core)
        AssignedTo: gstreamer-bugs at lists.freedesktop.org
        ReportedBy: bugzilla at thestack.de
         QAContact: gstreamer-bugs at lists.freedesktop.org
     GNOME version: ---


Created an attachment (id=283075)
 --> (https://bugzilla.gnome.org/attachment.cgi?id=283075)
test program

I'm trying to get video frames as raw RGB data. Method 1 (using gdkpixbufsink)
works but when the the pixel data is being read in any way the program eats
about 400MB RAM per second! So after processing a few minutes of video the
memory is full and the program SEGFAULTs.

Method 2 (using appsink callbacks) doesn't work either. Decoding PNG's did work
that way but if I provide a video file as input source the program quits after
a few video frames with this messages:

--------------------------------------------------------------------------------
** (test:4514): CRITICAL **: gst_video_frame_map_id: assertion 'GST_IS_BUFFER
(buffer)' failed
Warning: could not copy metadata
Warning: Internal GStreamer error: code not implemented.  Please file a bug at
http://bugzilla.gnome.org/enter_bug.cgi?product=GStreamer.

(test:4514): GStreamer-CRITICAL **: gst_pad_push: assertion 'GST_IS_BUFFER
(buffer)' failed
Error: Internal data stream error.
--------------------------------------------------------------------------------

Maybe I'm doing something wrong?

Please take a look at the program attached. You can switch between the two
issues by commenting in/out the "#define BUG2" line at the top of the file.
Please note the fixed video format of the input file and edit it if your video
input source has a different format.

Tested on Windows with gstreamer 1.4.0 and Linux gstreamer 1.2.0 with equal
results.

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