this post was submitted on 02 Sep 2024
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I remember using Xiph's integer implementation of Ogg Vorbis on my Nokia N-Gage (Symbian S60). I wonder if it's not a priority for Opus. IIRC, Opus is floats all the way down.
update: it exists.
https://wiki.xiph.org/OpusFAQ#Is_there_a_fixed-point_implementation?
I remember trying to understand Vorbis fixed point codebase, it was completely bonkers, the three of us on this task couldn't even draw a rough control flow diagram.