The receiving end now has a repo. The wire envelope does not: MuninnMediaWireRecord
and encode_media_wire_record are still here, both ends need them, and until they
reach CultLib beside the gamecult.media_* records Ratatoskr cannot decode a real
stream.
Also corrects this session's claim that no audio decoder existed. There is one --
an ffmpeg child with a hardcoded -f aac. Opus is that becoming codec-driven, and
it measures 16.8x against PCM.
Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
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