[Bug 40179] New: Cannot insert mpg files in Powerpoint 2010

https://bugs.winehq.org/show_bug.cgi?id=40179

Bug ID: 40179
           Summary: Cannot insert mpg files in Powerpoint 2010
           Product: Wine
           Version: 1.9.4
          Hardware: x86
                OS: Linux
            Status: NEW
          Severity: normal
          Priority: P2
         Component: winegstreamer
          Assignee: [e-mail]
          Reporter: [e-mail]
      Distribution: SUSE

Created attachment 53687
  --> https://bugs.winehq.org/attachment.cgi?id=53687
Log trying to insert mpg in Powerpoint 2010

The two videos from bug 17448,

http://fgouget.free.fr/tmp/wine-test-videos/daytona_crw.mpg
http://fgouget.free.fr/tmp/wine-test-videos/Ikea_Tidy_up_2_11.mpg

now work for me in Powerpoint 2003 and 2007, but not Powerpoint 2010.
Powerpoint 2010 pops up an error message that says "Powerpoint cannot insert a
video from the selected file. Verify that the necessary codec for this media is
installed, and then try again."

Terminal output (full log attached) includes this line:

** (wine:22741): CRITICAL **: gst_audio_format_to_string: assertion 'format !=
GST_AUDIO_FORMAT_UNKNOWN' failed