forked from unom/punktfunk
enricobuehlerandClaude Fable 5
e71cb9b7bd
Phase 2a+2c of design/pyrowave-codec-plan.md. Core: CODEC_PYROWAVE = 0x08 on Hello::video_codecs/Welcome::codec. Deliberately absent from resolve_codec's precedence ladder (plan §3 — a 100-400 Mbps codec must never win a negotiation by mere mutual support): reachable exclusively through the client's explicit preferred_codec. Invariant tests cover never-auto-selected (even as the only shared codec), preferred-path selection, and graceful fallback. ABI mirror PUNKTFUNK_CODEC_PYROWAVE + lockstep assert for the Apple/Android embedders. Host: Codec::PyroWave variant threaded through the wire mappings; a negotiated PyroWave session routes straight to the backend ahead of the PUNKTFUNK_ENCODER pref dispatch (which stays a lab override). The advertisement bit rides host_wire_caps only when the capture side would actually deliver ingestible frames — linux_zero_copy_is_vaapi(), i.e. AMD/Intel auto or an explicit operator pref on NVIDIA; per-session raw-dmabuf OutputFormat plumbing is recorded as the Phase-3 item. The libavcodec name helpers are dispatch-guarded unreachable; the web console gains ApiCodec::PyroWave (api/openapi.json regenerated). Validated on .21: 308 host tests green with and without the feature, 145 core tests green with quic, clippy clean. Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>