feat: video decoding configuration - #231
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Allows to set the following using Plasma's Session Environment Variables QT_FFMPEG_DECODING_HW_DEVICE_TYPES QT_MEDIA_BACKEND LIBVA_DRIVER_NAME unclear if it does anything VDPAU_DRIVER unclear if it does anything https://wiki.archlinux.org/title/Hardware_video_acceleration https://doc.qt.io/qt-6/advanced-ffmpeg-configuration.html https://doc.qt.io/qt-6/qtmultimedia-index.html https://userbase.kde.org/Session_Environment_Variables https://wiki.archlinux.org/title/Environment_variables
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Allows to set the following using Plasma's Session Environment Variables
QT_FFMPEG_DECODING_HW_DEVICE_TYPES
QT_MEDIA_BACKEND
LIBVA_DRIVER_NAME unclear if it does anything
VDPAU_DRIVER unclear if it does anything
https://wiki.archlinux.org/title/Hardware_video_acceleration
https://doc.qt.io/qt-6/advanced-ffmpeg-configuration.html
https://doc.qt.io/qt-6/qtmultimedia-index.html
https://userbase.kde.org/Session_Environment_Variables
https://wiki.archlinux.org/title/Environment_variables