new MR concerning vaapi encoding in qemu-based virtual machines (required virglrenderer patch)
https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/18831 чт, 11 авг. 2022 г., 08:08 Andrew Randrianasulu <[email protected]>: > So, few hours ago this merge request for mesa3d surfaced (I think it > affects radeonsi AMD cards) > > --- > why: to enhance va video encoding quality > how: use va encoding quality_level interface, and provide > default value and encoding quality adjustment options, > so that users can finetune encoding quality and performance > from va quality interface. > > There are 3 settings added: > -- preset modes: speed, balance, quality > they are using different encoding strategies > -- vbaq modes: vbaq mode is using variance based strategy > to improve the subjective image quality > -- pre-encoding modes: > Using scaled down input image for pre-encoding to have > better rate-control reaction and consume more memory > in the same time. Only preencoding-4x mode is enabled. > --- > > https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/17994 > > >
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