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Adds negotiated 5.1/7.1 surround to the punktfunk/1 protocol and every client (previously stereo-only): - core: new shared `audio` layout table (LAYOUT_51/71 + identity multistream mapping, canonical wire order FL FR FC LFE RL RR SL SR); Hello/Welcome `audio_channels` negotiation via the trailing-byte back-compat pattern (old peers fall back to stereo); C-ABI `punktfunk_connect_ex6`, `punktfunk_connection_audio_channels`, and in-core multistream decode `punktfunk_connection_next_audio_pcm` for embedders without a multistream Opus decoder. Real-libopus channel-identity round-trip test. - host: native audio thread captures + Opus-(multi)stream-encodes at the negotiated count (with a cross-session cached-capturer channel-mismatch fix); GameStream surround unified onto the safe `opus::MSEncoder`, dropping `audiopus_sys` (~4 unsafe blocks) and un-gating Windows GameStream surround; WASAPI loopback capture relaxed to 2/6/8 with the correct dwChannelMask. - clients: Linux (PipeWire), Windows (WASAPI), Android (AAudio) decode via `opus::MSDecoder` + render multichannel; Apple decodes in-core to PCM → AVAudioEngine with an explicit wire-order channel layout; each gains a Stereo/5.1/7.1 setting. `punktfunk-probe --audio-channels N` is the headless validator. Verified on Linux: core/host/linux/probe test suites + the Android Rust (cargo-ndk) build, clippy -D warnings, and rustfmt all green. Windows/Apple builds, all on-glass checks, and the live native loopback are pending (CI / a free box). Also lands the concurrent in-tree HEVC 4:4:4 host work (PUNKTFUNK_444): it shares the same touched files (quic.rs, punktfunk1.rs, encode/*, ...) and so cannot be committed separately from the surround changes. Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
90 lines
4.7 KiB
TOML
90 lines
4.7 KiB
TOML
[package]
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name = "punktfunk-core"
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description = "punktfunk shared protocol/transport/FEC core, exposed over a stable C ABI"
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version.workspace = true
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edition.workspace = true
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rust-version.workspace = true
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license.workspace = true
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authors.workspace = true
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repository.workspace = true
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[lib]
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name = "punktfunk_core"
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# `lib` — so punktfunk-host / punktfunk-probe / tools link it as a normal Rust crate.
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# `staticlib` — `libpunktfunk_core.a` for the C test harness and static embedding.
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# `cdylib` — `libpunktfunk_core.{so,dylib}` for Swift/Kotlin clients via the C ABI.
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crate-type = ["lib", "cdylib", "staticlib"]
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[features]
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default = []
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# Control-plane QUIC (pairing, config, reverse audio). tokio is permitted ONLY here,
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# never on the per-frame hot path. Off by default so the core stays runtime-free.
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quic = ["dep:quinn", "dep:tokio", "dep:rustls", "dep:rcgen", "dep:rustls-pki-types", "dep:sha2", "dep:hmac", "dep:spake2", "dep:opus"]
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[dependencies]
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reed-solomon-simd = "3.1" # GF(2^16) Leopard-RS, SIMD, O(n log n) — the wall-breaker (P2)
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# Vendored fork of fec-rs: GF(2^8) classic RS with the *Cauchy* generator matrix
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# (M[j][i] = inv[(m+i)^j]) — byte-identical to the `nanors` library Moonlight uses, so our
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# parity is decodable by a stock Moonlight client. (reed-solomon-erasure is Vandermonde and is
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# NOT interoperable.) See vendor/fec-rs/LICENSE (BSD-2-Clause).
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fec-rs = { path = "vendor/fec-rs" }
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aes-gcm = "0.10" # AES-128-GCM session crypto, matches GameStream
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zerocopy = { version = "0.8", features = ["derive"] }
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bytes = "1"
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socket2 = { version = "0.6", features = [
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"all",
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] } # SO_SNDBUF/SO_RCVBUF growth (default UDP buffers too small for 4K/5K bursts) + DSCP/SO_PRIORITY media QoS
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thiserror = "2"
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tracing = { version = "0.1", default-features = false, features = ["std"] }
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rand = "0.9"
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zeroize = "1"
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quinn = { version = "0.11", optional = true }
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rustls = { version = "0.23", optional = true, default-features = false, features = ["ring", "std"] }
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# Crypto backend pinned to `ring` (matching rustls/quinn above) so the whole quic tree is
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# ring-only: no aws-lc-rs/aws-lc-sys (heavy C dep, needs cmake) is pulled in. Keeps the
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# Android/iOS cdylib lean and the cross-compile cmake-free. `generate_simple_self_signed`
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# is backend-agnostic, so the swap is transparent.
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rcgen = { version = "0.13", optional = true, default-features = false, features = ["ring", "pem"] }
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rustls-pki-types = { version = "1", optional = true }
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sha2 = { version = "0.10", optional = true }
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hmac = { version = "0.12", optional = true }
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spake2 = { version = "0.4", optional = true }
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tokio = { version = "1", optional = true, features = ["rt-multi-thread", "net", "sync", "macros"] }
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# In-core Opus (multistream) DECODE for the C-ABI `punktfunk_connection_next_audio_pcm` path —
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# used by embedders without a multistream-capable Opus decoder (Apple's AudioToolbox is
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# stereo-only). The Rust clients link `opus` themselves and decode the raw `next_audio` frames,
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# so this only matters when the connection API (quic) is built. Same libopus the host vendors;
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# cargo unifies the build. Multistream API: `opus::MSDecoder` (lib.rs:1187).
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opus = { version = "0.3", optional = true }
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# `libc` for batched UDP syscalls: `sendmmsg`/`recvmmsg` on Linux (the 1 Gbps+ lever) and the
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# `recv(MSG_DONTWAIT)` drain on the other unix (Apple/BSD) targets, which have no `recvmmsg`
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# (see transport/udp.rs `recv_batch`). Needed on every unix target — non-unix (Windows) uses
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# the scalar fallbacks. Cross-compiles (iOS/tvOS) don't pull libc transitively the way the
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# macOS host build does, so it must be a direct dep here or those slices fail to link `libc::`.
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[target.'cfg(unix)'.dependencies]
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libc = "0.2"
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# Windows UDP Send Offload (USO): `WSASendMsg` + `UDP_SEND_MSG_SIZE` is the Windows analogue of
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# Linux UDP GSO — the 1 Gbps+ send lever (the host otherwise sends one packet per `send` syscall,
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# which caps throughput at high packet rates). See transport/udp.rs.
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[target.'cfg(windows)'.dependencies]
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# windows-sys (raw FFI, the quinn-udp choice): the high-level `windows` crate doesn't bind the
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# `WSASendMsg` extension function. WinSock feature gives WSASendMsg + WSAMSG/WSABUF/CMSGHDR.
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# Win32_System_IO too: WSASendMsg's signature references OVERLAPPED, so it's gated on that feature.
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windows-sys = { version = "0.59", features = ["Win32_Networking_WinSock", "Win32_System_IO"] }
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[dev-dependencies]
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proptest = "1"
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# Tier-1 microbenchmarks (benches/pipeline.rs). default-features off → no plotters/HTML (headless
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# CI just needs the measurement + target/criterion/**/estimates.json for the regression compare).
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criterion = { version = "0.5", default-features = false, features = ["cargo_bench_support"] }
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[[bench]]
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name = "pipeline"
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harness = false
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[build-dependencies]
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cbindgen = "0.29"
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