[Feature Request] Per-Frame Quantization Control (AVC/HEVC/SVT-AV1 like)

[master-of-zen]

x265 doc
SVT-AV1 doc

Rate control ability to set--quantizer value on per frame basis.
Rav1e reads text file where each line represents quantizer number for the next frame.
--quantizer_file qp.txt
qp.txt:

60
80
90

Behavior if file end first: Repeat last quantizer. Print warning
Behavior if video end first: Print warning to console
I might do it myself if I get familiar with Rust

[lu-zero]

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