(cherry picked from commit 9b4a2a51)

(cherry picked from commit 5e19024c)

(cherry picked from commit d9217fd0)

"Calling front on an empty container is undefined." so instead return
with empty frame data. since I can't reproduce the crash I'm having high
hopes that it should be fixed by simply not running the memcpy

probably fixes https://errors-eval.kde.org/organizations/kde/issues/180

In case of conflict in i18n, keep the version of the branch "ours"
To resolve a particular conflict, "git checkout --ours path/to/file.desktop"

(cherry picked from commit 75501e61)

(cherry picked from commit e77ffe25)

Amaury Bouchra Pilet authored Aug 09, 2022 and Nicolas Fella committed Aug 19, 2022

Only MP4 was supported, using TagLib. Now using ffmpeg, which supports MP4, MKV and others.
Relying on Matroska specification's attachment names to select best cover (landscape preferred) if several are available.

It does the same thing as the default implementation

(cherry picked from commit ba90b248)

Martin Tobias Holmedahl Sandsmark authored May 14, 2022 and Méven Car committed Jul 31, 2022

Should really just throw out 90% of the old "upstream" code and decode
straight to a QImage. Would improve the performance and significantly
slim down the codebase.

Code stolen from myself:
    https://invent.kde.org/sandsmark/qt-ffmpeg-imageplugin/-/blob/master/ffmpegimageplugin.cpp#L468-493

CCBUG: 404898

(cherry picked from commit ff256bdf)

In case of conflict in i18n, keep the version of the branch "ours"
To resolve a particular conflict, "git checkout --ours path/to/file.desktop"

In case of conflict in i18n, keep the version of the branch "ours"
To resolve a particular conflict, "git checkout --ours path/to/file.desktop"

In case of conflict in i18n, keep the version of the branch "ours"
To resolve a particular conflict, "git checkout --ours path/to/file.desktop"

(cherry picked from commit dfb16cf0)

In case of conflict in i18n, keep the version of the branch "ours"
To resolve a particular conflict, "git checkout --ours path/to/file.desktop"

(cherry picked from commit bcbc2a54)

(cherry picked from commit 42d82c9c)