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Date: Mon, 21 Sep 2026 09:05:02 +0200
From: Sebastian Ramacher &lt;sramacher@debian.org&gt;
To: Debian Bug Tracking System &lt;submit@bugs.debian.org&gt;
Subject: mat2: autopkgtest failure with ffmpeg 9.0
Message-ID: &lt;arDXHnWZqrEeezMY@ramacher.at&gt;
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Source: mat2
Version: 0.15.0-1
Severity: serious
X-Debbugs-Cc: sramacher@debian.org
Control: forwarded -1 https://github.com/jvoisin/mat2/issues/53

Dear maintainer,

the autopkgtests of mat2 fail with ffmpeg 9.0:

194s _ TestCleaning.test_all_parametred (case=3D{'name': 'mp4', 'ffmpeg': 1=
, 'parser': &lt;class 'libmat2.video.MP4Parser'&gt;, 'meta': {'Encoder': 'HandBra=
ke 0.9.4 2009112300'}, ...}) _
194s=20
194s self =3D &lt;tests.test_libmat2.TestCleaning testMethod=3Dtest_all_parame=
tred&gt;
194s=20
194s     def test_all_parametred(self):
194s         for case in self.data:
194s             with self.subTest(case=3Dcase):
194s                 if 'ffmpeg' in case:
194s                     try:
194s                         video._get_ffmpeg_path()
194s                     except RuntimeError:
194s                         raise unittest.SkipTest
194s    =20
194s                 print('[+] Testing %s' % case['name'])
194s                 target =3D './tests/data/clean.' + case['name']
194s                 shutil.copy('./tests/data/dirty.' + case['name'], targ=
et)
194s                 p1 =3D case['parser'](target)
194s    =20
194s                 for k, v in p1.get_meta().items():
194s                     if k not in case['meta']:
194s                         continue
194s                     if isinstance(v, dict):
194s                         for _k, _v in v.items():
194s                             if _k in case['meta'][k]:
194s                                 self.assertEqual(_v, case['meta'][k][_=
k])
194s                     else:
194s                         self.assertEqual(v, case['meta'][k])
194s    =20
194s                 p1.lightweight_cleaning =3D True
194s                 self.assertTrue(p1.remove_all())
194s    =20
194s                 p2 =3D case['parser'](p1.output_filename)
194s                 meta =3D p2.get_meta()
194s                 if meta:
194s                     for k, v in p2.get_meta().items():
194s                         self.assertIn(k, case['expected_meta'], '&quot;%s&quot; =
is not in &quot;%s&quot; (%s), with all of them being %s' % (k, case['expected_meta']=
, case['name'], p2.get_meta().items()))
194s                         if str(case['expected_meta'][k]) in str(v):
194s                             continue
194s                         if 'extra_expected_meta' in case and k in case=
['extra_expected_meta']:
194s                             if str(case['extra_expected_meta'][k]) in =
str(v):
194s                                 continue
194s &gt;                       self.assertTrue(False, &quot;got a different value =
(%s) than excepted (%s) for %s, with all of them being %s&quot; % (str(v), meta,=
 k, p2.get_meta().items()))
194s E                       AssertionError: False is not true : got a diff=
erent value (720000) than excepted ({'MajorBrand': 'MP4 Base Media v1 [IS0 =
14496-12:2003]', 'MinorVersion': '0.2.0', 'CompatibleBrands': ['isom', 'iso=
2', 'avc1', 'mp41'], 'MediaDataSize': 379872, 'MediaDataOffset': 48, 'Movie=
HeaderVersion': 0, 'TimeScale': 720000, 'PreferredRate': 1, 'NextTrackID': =
3, 'TrackHeaderVersion': 0, 'TrackID': 1, 'TrackLayer': 0, 'GraphicsMode': =
'srcCopy', 'CompressorID': 'avc1', 'ColorProfiles': 'nclx', 'ColorPrimaries=
': 'BT.709', 'TransferCharacteristics': 'BT.709', 'MatrixCoefficients': 'BT=
=2E709', 'VideoFullRangeFlag': 'Limited', 'BufferSize': 0, 'MaxBitrate': 46=
5641, 'AverageBitrate': 465641, 'MediaHeaderVersion': 0, 'HandlerDescriptio=
n': 'SoundHandler', 'HandlerType': 'Metadata', 'HandlerVendorID': 'Apple', =
'Rotation': 0}) for TimeScale, with all of them being dict_items([('MajorBr=
and', 'MP4 Base Media v1 [IS0 14496-12:2003]'), ('MinorVersion', '0.2.0'), =
('CompatibleBrands', ['isom', 'iso2', 'avc1', 'mp41']), ('MediaDataSize', 3=
79872), ('MediaDataOffset', 48), ('MovieHeaderVersion', 0), ('TimeScale', 7=
20000), ('PreferredRate', 1), ('NextTrackID', 3), ('TrackHeaderVersion', 0)=
, ('TrackID', 1), ('TrackLayer', 0), ('GraphicsMode', 'srcCopy'), ('Compres=
sorID', 'avc1'), ('ColorProfiles', 'nclx'), ('ColorPrimaries', 'BT.709'), (=
'TransferCharacteristics', 'BT.709'), ('MatrixCoefficients', 'BT.709'), ('V=
ideoFullRangeFlag', 'Limited'), ('BufferSize', 0), ('MaxBitrate', 465641), =
('AverageBitrate', 465641), ('MediaHeaderVersion', 0), ('HandlerDescription=
', 'SoundHandler'), ('HandlerType', 'Metadata'), ('HandlerVendorID', 'Apple=
'), ('Rotation', 0)])
194s=20
194s tests/test_libmat2.py:662: AssertionError
194s =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D short test summary info =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
194s SUBFAILED(case=3D{'name': 'mp4', 'ffmpeg': 1, 'parser': &lt;class 'libmat=
2.video.MP4Parser'&gt;, 'meta': {'Encoder': 'HandBrake 0.9.4 2009112300'}, ...=
}) tests/test_libmat2.py::TestCleaning::test_all_parametred

See https://ci.debian.net/packages/m/mat2/testing/arm64/75829081/ for
details.

Cheers
--=20
Sebastian Ramacher
]