Bug#1021032: vlc: playing mp4 videos results in a black screen
On 2022-10-03 00:09:25 +0100, Lyndon Brown wrote:
> Control: retitle -1 vlc: playing videos results in a black screen
> Control: severity -1 grave
>
> Ran into this today after installing daily Sid updates. Was fine
> yesterday. I think that some updates from yesterday, or perhaps the day
> before may have been delayed until today due to a dependency issue, so
> that may explain why I've only just experienced this.
>
> This is not limited to mp4, I've also tried avi & mpg.
>
> Logs indicate video format conversion failure, as per the original
> reporter's logs.
>
> >From my apt log, these are the package updates that were installed
> today:
>
> - autoconf-archive:amd64 (20220903-1, 20220903-2)
> - chromium:amd64 (106.0.5249.61-1, 106.0.5249.91-1)
> - chromium-common:amd64 (106.0.5249.61-1, 106.0.5249.91-1)
> - chromium-sandbox:amd64 (106.0.5249.61-1, 106.0.5249.91-1)
> - flex:amd64 (2.6.4-8, 2.6.4-8.1)
> - libexempi8:amd64 (2.6.2-1, 2.6.2-2)
> - libfido2-1:amd64 (1.11.0-1+b1, 1.12.0-1)
> - libfl2:amd64 (2.6.4-8, 2.6.4-8.1)
> - libfl-dev:amd64 (2.6.4-8, 2.6.4-8.1)
> - libmediastreamer11:amd64 (1:5.0.37+dfsg-4, 1:5.0.37+dfsg-4+b1)
> - libopenmpt0:amd64 (0.6.5-1, 0.6.6-1)
> - libopenmpt-dev:amd64 (0.6.5-1, 0.6.6-1)
> - libpixie-java:amd64 (1:1.1.6-4, 1:1.1.6-5)
> - libqpdf29:amd64 (11.1.0-1, 11.1.1-1)
> - libqt5concurrent5:amd64 (5.15.4+dfsg-5, 5.15.6+dfsg-2)
> - libqt5core5a:amd64 (5.15.4+dfsg-5, 5.15.6+dfsg-2)
> - libqt5dbus5:amd64 (5.15.4+dfsg-5, 5.15.6+dfsg-2)
> - libqt5designer5:amd64 (5.15.4-2+b1, 5.15.6-2)
> - libqt5gui5:amd64 (5.15.4+dfsg-5, 5.15.6+dfsg-2)
> - libqt5multimedia5:amd64 (5.15.4-2, 5.15.6-2)
> - libqt5multimediagsttools5:amd64 (5.15.4-2, 5.15.6-2)
> - libqt5multimediaquick5:amd64 (5.15.4-2, 5.15.6-2)
> - libqt5multimediawidgets5:amd64 (5.15.4-2, 5.15.6-2)
> - libqt5network5:amd64 (5.15.4+dfsg-5, 5.15.6+dfsg-2)
> - libqt5opengl5:amd64 (5.15.4+dfsg-5, 5.15.6+dfsg-2)
> - libqt5opengl5-dev:amd64 (5.15.4+dfsg-5, 5.15.6+dfsg-2)
> - libqt5printsupport5:amd64 (5.15.4+dfsg-5, 5.15.6+dfsg-2)
> - libqt5qml5:amd64 (5.15.4+dfsg-4, 5.15.6+dfsg-2)
> - libqt5qmlmodels5:amd64 (5.15.4+dfsg-4, 5.15.6+dfsg-2)
> - libqt5qmlworkerscript5:amd64 (5.15.4+dfsg-4, 5.15.6+dfsg-2)
> - libqt5quick5:amd64 (5.15.4+dfsg-4, 5.15.6+dfsg-2)
> - libqt5quickcontrols2-5:amd64 (5.15.4+dfsg-2, 5.15.6+dfsg-2)
> - libqt5quickparticles5:amd64 (5.15.4+dfsg-4, 5.15.6+dfsg-2)
> - libqt5quickshapes5:amd64 (5.15.4+dfsg-4, 5.15.6+dfsg-2)
> - libqt5quicktemplates2-5:amd64 (5.15.4+dfsg-2, 5.15.6+dfsg-2)
> - libqt5quicktest5:amd64 (5.15.4+dfsg-4, 5.15.6+dfsg-2)
> - libqt5quickwidgets5:amd64 (5.15.4+dfsg-4, 5.15.6+dfsg-2)
> - libqt5sql5:amd64 (5.15.4+dfsg-5, 5.15.6+dfsg-2)
> - libqt5sql5-sqlite:amd64 (5.15.4+dfsg-5, 5.15.6+dfsg-2)
> - libqt5svg5:amd64 (5.15.4-2, 5.15.6-2)
> - libqt5svg5-dev:amd64 (5.15.4-2, 5.15.6-2)
> - libqt5test5:amd64 (5.15.4+dfsg-5, 5.15.6+dfsg-2)
> - libqt5texttospeech5:amd64 (5.15.4-2, 5.15.6-2)
> - libqt5waylandclient5:amd64 (5.15.4-2, 5.15.6-2)
> - libqt5waylandclient5-dev:amd64 (5.15.4-2, 5.15.6-2)
> - libqt5waylandcompositor5:amd64 (5.15.4-2, 5.15.6-2)
> - libqt5waylandcompositor5-dev:amd64 (5.15.4-2, 5.15.6-2)
> - libqt5widgets5:amd64 (5.15.4+dfsg-5, 5.15.6+dfsg-2)
> - libqt5x11extras5:amd64 (5.15.4-2, 5.15.6-2)
> - libqt5x11extras5-dev:amd64 (5.15.4-2, 5.15.6-2)
> - libqt5xml5:amd64 (5.15.4+dfsg-5, 5.15.6+dfsg-2)
> - libqt6concurrent6:amd64 (6.3.1+dfsg-9, 6.3.1+dfsg-10)
> - libqt6core6:amd64 (6.3.1+dfsg-9, 6.3.1+dfsg-10)
> - libqt6dbus6:amd64 (6.3.1+dfsg-9, 6.3.1+dfsg-10)
> - libqt6gui6:amd64 (6.3.1+dfsg-9, 6.3.1+dfsg-10)
> - libqt6network6:amd64 (6.3.1+dfsg-9, 6.3.1+dfsg-10)
> - libqt6opengl6:amd64 (6.3.1+dfsg-9, 6.3.1+dfsg-10)
> - libqt6openglwidgets6:amd64 (6.3.1+dfsg-9, 6.3.1+dfsg-10)
> - libqt6printsupport6:amd64 (6.3.1+dfsg-9, 6.3.1+dfsg-10)
> - libqt6shadertools6:amd64 (6.3.1-2, 6.3.1-3)
> - libqt6sql6:amd64 (6.3.1+dfsg-9, 6.3.1+dfsg-10)
> - libqt6sql6-sqlite:amd64 (6.3.1+dfsg-9, 6.3.1+dfsg-10)
> - libqt6test6:amd64 (6.3.1+dfsg-9, 6.3.1+dfsg-10)
> - libqt6widgets6:amd64 (6.3.1+dfsg-9, 6.3.1+dfsg-10)
> - libqt6xml6:amd64 (6.3.1+dfsg-9, 6.3.1+dfsg-10)
> - linphone-desktop:amd64 (4.3.2-2, 4.3.2-2+b1)
> - qml:amd64 (5.15.4+dfsg-4, 5.15.6+dfsg-2)
> - qml-module-qtgraphicaleffects:amd64 (5.15.4-2, 5.15.6-2)
> - qml-module-qt-labs-platform:amd64 (5.15.4+dfsg-2, 5.15.6+dfsg-2)
> - qml-module-qtmultimedia:amd64 (5.15.4-2, 5.15.6-2)
> - qml-module-qtqml:amd64 (5.15.4+dfsg-4, 5.15.6+dfsg-2)
> - qml-module-qtquick2:amd64 (5.15.4+dfsg-4, 5.15.6+dfsg-2)
> - qml-module-qtquick-controls2:amd64 (5.15.4+dfsg-2, 5.15.6+dfsg-2)
> - qml-module-qtquick-controls:amd64 (5.15.4-2, 5.15.6-2)
> - qml-module-qtquick-dialogs:amd64 (5.15.4-2, 5.15.6-2)
> - qml-module-qtquick-extras:amd64 (5.15.4-2, 5.15.6-2)
> - qml-module-qtquick-layouts:amd64 (5.15.4+dfsg-4, 5.15.6+dfsg-2)
> - qml-module-qtquick-privatewidgets:amd64 (5.15.4-2, 5.15.6-2)
> - qml-module-qtquick-shapes:amd64 (5.15.4+dfsg-4, 5.15.6+dfsg-2)
> - qml-module-qtquick-templates2:amd64 (5.15.4+dfsg-2, 5.15.6+dfsg-2)
> - qml-module-qtquick-window2:amd64 (5.15.4+dfsg-4, 5.15.6+dfsg-2)
> - qml-module-qtwayland-compositor:amd64 (5.15.4-2, 5.15.6-2)
> - qt5ct:amd64 (1.5-1+b1, 1.5-1+b2)
> - qt5-gtk-platformtheme:amd64 (5.15.4+dfsg-5, 5.15.6+dfsg-2)
> - qt5-qmake:amd64 (5.15.4+dfsg-5, 5.15.6+dfsg-2)
> - qt5-qmake-bin:amd64 (5.15.4+dfsg-5, 5.15.6+dfsg-2)
> - qt5-qmltooling-plugins:amd64 (5.15.4+dfsg-4, 5.15.6+dfsg-2)
> - qt6-gtk-platformtheme:amd64 (6.3.1+dfsg-9, 6.3.1+dfsg-10)
> - qt6-qpa-plugins:amd64 (6.3.1+dfsg-9, 6.3.1+dfsg-10)
> - qtbase5-dev:amd64 (5.15.4+dfsg-5, 5.15.6+dfsg-2)
> - qtbase5-dev-tools:amd64 (5.15.4+dfsg-5, 5.15.6+dfsg-2)
> - qtbase5-private-dev:amd64 (5.15.4+dfsg-5, 5.15.6+dfsg-2)
> - qtdeclarative5-dev:amd64 (5.15.4+dfsg-4, 5.15.6+dfsg-2)
> - qtdeclarative5-dev-tools:amd64 (5.15.4+dfsg-4, 5.15.6+dfsg-2)
> - qtmultimedia5-dev:amd64 (5.15.4-2, 5.15.6-2)
> - qtquickcontrols2-5-dev:amd64 (5.15.4+dfsg-2, 5.15.6+dfsg-2)
> - qtspeech5-flite-plugin:amd64 (5.15.4-2, 5.15.6-2)
> - qtwayland5:amd64 (5.15.4-2, 5.15.6-2)
> - qtwayland5-dev-tools:amd64 (5.15.4-2, 5.15.6-2)
> - qtwebengine5-doc-html:amd64 (5.15.10+dfsg-4, 5.15.10+dfsg-7)
> - qtwebview5-doc-html:amd64 (5.15.4-2, 5.15.6-2)
>
> As you can see, mostly minor Qt updates.
But those are the only packages relevant for vlc in your upgrade. So
it's probably Qt breaking vlc … and my test with 3.0.18 rc2 just worked
as I built it with the current Qt version in unstable.
Cheers
>
> I have not tried doing any builds/bisecting (yet).
>
--
Sebastian Ramacher
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