[Bug 54600] New: mfplay:mfplay - test_media_language() sometimes gets a NULL value in Wine

[WineHQ Bugzilla]

https://bugs.winehq.org/show_bug.cgi?id=54600

            Bug ID: 54600
           Summary: mfplay:mfplay - test_media_language() sometimes gets a
                    NULL value in Wine
           Product: Wine
           Version: unspecified
          Hardware: x86-64
                OS: Linux
            Status: NEW
          Severity: normal
          Priority: P2
         Component: mfplat
          Assignee: wine-bugs(a)winehq.org
          Reporter: fgouget(a)codeweavers.com
      Distribution: ---

mfplay:mfplay - test_media_language() sometimes gets a NULL value in Wine:

mfplay.c:502: Test failed: Unexpected value (null).

See https://test.winehq.org/data/patterns.html#mfplay:mfplay

This would indicate an issue with Wine's GetStreamAttribute(MF_SD_LANGUAGE)
support.

The test was introduced on 2023-01-24 and the first failure happened on
2023-01-25 with a bit over one failure per week since.

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[Bug 54600] mfplay:mfplay - test_media_language() sometimes gets a NULL value in Wine

[WineHQ Bugzilla]

https://bugs.winehq.org/show_bug.cgi?id=54600

François Gouget <fgouget(a)codeweavers.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
           Keywords|                            |source, testcase

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[Bug 54600] mfplay:mfplay - test_media_language() sometimes gets a NULL value in Wine

[WineHQ Bugzilla]

https://bugs.winehq.org/show_bug.cgi?id=54600

François Gouget <fgouget(a)codeweavers.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
           Keywords|                            |regression
    Regression SHA1|                            |c97b8a8f1a5df34e3d03c405bda
                   |                            |5f76356123da4

--- Comment #1 from François Gouget <fgouget(a)codeweavers.com> ---
A bisect confirms that the failures started with the commit below:

commit c97b8a8f1a5df34e3d03c405bda5f76356123da4
Author:     Shaun Ren <sren(a)codeweavers.com>
AuthorDate: Fri Dec 2 22:05:20 2022 -0500
Commit:     Alexandre Julliard <julliard(a)winehq.org>
CommitDate: Tue Jan 24 18:19:12 2023 +0100

    mfplay/tests: Add tests for MF_SD_LANGUAGE.


Note: so far the failures have only happened in the GitLab CI, debiant TestBot
VM and my fgtb-debian11 VM. It's not clear why they have not happened in the
TestBot's debian11 and debian11b VMs yet. Luck?

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