07873ea598
Switch the webrtc-audio-processing dep from the 2.x git source (bundled mode) back to crates.io 0.3, and link against Debian's apt package libwebrtc-audio-processing-dev (0.3-1+b1 on Bookworm). The 2.x path fails because both the crates.io tarball and the upstream git main branch of webrtc-audio-processing-sys 2.0.3 have a build.rs bug where \`meson setup --reconfigure\` is passed unconditionally, panicking on first-run empty build dirs with "Directory does not contain a valid build tree". The 0.x line sidesteps bundled mode entirely by linking the apt-provided library. Trade-off: we get AEC2 (the older generation) instead of AEC3, but it's the same algorithm family and is what PulseAudio's module-echo-cancel and PipeWire's filter-chain use on current Debian-family distros. Fine for shipping — we can revisit AEC3 once the 2.x bundled build is fixed upstream. API changes: - 0.3's Processor::process_capture_frame and process_render_frame take &mut self, so wrap the module-level processor in a Mutex. Capture and playback threads each lock briefly (sub-ms per 10 ms frame); contention is minimal. - Import NUM_SAMPLES_PER_FRAME from the crate directly instead of hardcoding 480, so the code tracks whatever sample rate the upstream C++ lib exposes (currently 48 kHz hardcoded -> 480). - Helper fns drain_frames_through_apm / tee_render_samples / etc. take &Mutex<Processor> instead of &Processor. - Use explicit EchoCancellationSuppressionLevel and NoiseSuppressionLevel imports rather than fully-qualified paths. Dockerfile: - Drop meson / ninja-build / python3 (only needed for bundled build). - Add libwebrtc-audio-processing-dev for the system link path. - Keep clang (may be needed by the bindgen step in some versions). Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
WarzonePhone
Custom lossy VoIP protocol built in Rust. E2E encrypted, FEC-protected, adaptive quality, designed for hostile network conditions.
Quick Start
# Build
cargo build --release
# Run relay
./target/release/wzp-relay --listen 0.0.0.0:4433
# Send a test tone
./target/release/wzp-client --send-tone 5 relay-addr:4433
# Web bridge (browser calls)
./target/release/wzp-web --port 8080 --relay 127.0.0.1:4433 --tls
# Open https://localhost:8080/room-name in two browser tabs
Architecture
See docs/ARCHITECTURE.md for the full system architecture with Mermaid diagrams covering:
- System overview and data flow
- Crate dependency graph (8 crates)
- Wire formats (MediaHeader, MiniHeader, TrunkFrame, SignalMessage)
- Cryptographic handshake (X25519 + Ed25519 + ChaCha20-Poly1305)
- Identity model (BIP39 seed, featherChat compatible)
- Quality profiles (GOOD/DEGRADED/CATASTROPHIC)
- FEC protection (RaptorQ with interleaving)
- Adaptive jitter buffer (NetEq-inspired)
- Telemetry stack (Prometheus + Grafana)
- Deployment topology
Features
- 3 quality tiers: Opus 24k (28.8 kbps) / Opus 6k (9 kbps) / Codec2 1200 (2.4 kbps)
- RaptorQ FEC: Recovers from 20-100% packet loss depending on tier
- E2E encryption: ChaCha20-Poly1305 with X25519 key exchange
- Adaptive jitter buffer: EMA-based playout delay tracking
- Silence suppression: VAD + comfort noise (~50% bandwidth savings)
- ML noise removal: RNNoise (nnnoiseless pure Rust port)
- Mini-frames: 67% header compression for steady-state packets
- Trunking: Multiplex sessions into batched datagrams
- featherChat integration: Shared BIP39 identity, token auth, call signaling
- Prometheus metrics: Relay, web bridge, inter-relay probes
- Grafana dashboard: Pre-built JSON with 18 panels
Documentation
| Document | Description |
|---|---|
| ARCHITECTURE.md | Full system architecture with diagrams |
| TELEMETRY.md | Prometheus metrics specification |
| INTEGRATION_TASKS.md | featherChat integration tracker |
| WZP-FC-SHARED-CRATES.md | Shared crate strategy |
| grafana-dashboard.json | Importable Grafana dashboard |
Binaries
| Binary | Description |
|---|---|
wzp-relay |
Relay daemon (SFU room mode, forward mode, probes) |
wzp-client |
CLI client (send-tone, record, live mic, echo-test, drift-test, sweep) |
wzp-web |
Browser bridge (HTTPS + WebSocket + AudioWorklet) |
wzp-bench |
Component benchmarks |
Linux Build
./scripts/build-linux.sh --prepare # Create Hetzner VM + install deps
./scripts/build-linux.sh --build # Build release binaries
./scripts/build-linux.sh --transfer # Download to target/linux-x86_64/
./scripts/build-linux.sh --destroy # Delete VM
Tests
cargo test --workspace # 272 tests
License
MIT OR Apache-2.0