The audio work was three parts and I shipped two. The transcode-fidelity method
and the pinned 5.1 downmix landed; the null sink -- the only one that answers
"what does the GAME play" -- I deferred to "the next natural rebuild window" and
then rebuilt both images four times without doing it.
pulseaudio-utils is now in both, with tools/audio-capture wrapping it: a null
sink is a real device as far as an application is concerned, so Canary and Godot
open it normally and parec records what they emit.
This unblocks the decoder's Q8. The cue-to-event bindings are currently a name
match against the authors' own identifiers -- a plausible guess, not a
measurement -- and capturing what the game plays on a menu move converts them.
`audio-capture run` reports the peak level and warns when the capture is silent,
because silence is the failure that looks like success: a WAV of exactly the
right duration, full of zeroes, because the application opened a different sink.
A duration check alone passes it, which is how a confident wrong number gets
made.
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