ae83310772
Phase 3 — bring up the daemon end-to-end through six checkpoints:
3a Module skeleton (error, profile, routing, runtime, pw/*)
3b Pure routing engine + 13 tests (no PipeWire dep)
3c PwContext: main loop, sigprocmask-block SIGTERM/SIGINT before
add_signal_local so signalfd actually picks them up
3d headroom-processed virtual sink via the adapter factory with
factory.name=support.null-audio-sink
3e Filter: two pw_streams (capture from monitor / playback to real
sink) with an rtrb SPSC ring between them. DSP chain
(Compressor → two-tier Limiter) runs in the playback callback.
Allocation-free; #![forbid(unsafe_code)] preserved via
bytemuck::try_cast_slice for the byte↔f32 reinterpretation.
3f Registry watcher binds the default metadata, evaluates new
Stream/Output/Audio nodes against profile rules, writes
target.object for processed routes. Self-stream guard skips
anything whose node.name starts with 'headroom-filter'.
Workspace deps added: pipewire = { features = ["v0_3_44"] } for the
modern TARGET_OBJECT key, libspa, rtrb, nix (sigprocmask), bytemuck.
Tests: 65 passing (28 dsp, 20 ipc, 4 client, 13 core). Clippy clean
at default level under -D warnings.
PLAN.md §5 renumbered to fix stale subsection labels (was 4.1–4.4
from before the per-app insertion).
Known limitations punted to Phase 4 (documented in commit history
and team memory):
- WirePlumber doesn't always honor late target.object writes once
a stream is already linked (timing race).
- preferred_real_sink dynamic tracking stubbed.
- No auto-promote of headroom-processed to system default.
- application.process.binary occasionally arrives in late metadata
updates after the global registers; routing logs show '?' until
we add a re-read.
84 lines
2 KiB
TOML
84 lines
2 KiB
TOML
[workspace]
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resolver = "2"
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members = [
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"crates/headroom-dsp",
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"crates/headroom-ipc",
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"crates/headroom-client",
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"crates/headroom-core",
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"crates/headroom-cli",
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]
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[workspace.package]
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version = "0.1.0"
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edition = "2021"
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rust-version = "1.86"
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license = "GPL-3.0-or-later"
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homepage = "https://github.com/amaanq/headroom"
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repository = "https://github.com/amaanq/headroom"
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authors = ["Headroom contributors"]
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[workspace.dependencies]
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# Internal crates
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headroom-dsp = { path = "crates/headroom-dsp", version = "0.1.0" }
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headroom-ipc = { path = "crates/headroom-ipc", version = "0.1.0" }
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headroom-client = { path = "crates/headroom-client", version = "0.1.0" }
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headroom-core = { path = "crates/headroom-core", version = "0.1.0" }
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# Serde / JSON / TOML
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serde = { version = "1.0", features = ["derive"] }
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serde_json = "1.0"
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toml = "0.8"
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# Errors / logging
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thiserror = "2.0"
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tracing = "0.1"
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tracing-subscriber = { version = "0.3", features = ["env-filter", "fmt"] }
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# CLI
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clap = { version = "4.5", features = ["derive"] }
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# Concurrency / control plane
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crossbeam-channel = "0.5"
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parking_lot = "0.12"
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signal-hook = "0.3"
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nix = { version = "0.27", features = ["signal"] }
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# Realtime audio
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rtrb = "0.3"
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basedrop = "0.1"
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assert_no_alloc = "1.1"
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# DSP
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ebur128 = "0.1"
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fundsp = "0.20"
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# PipeWire. `v0_3_44` exposes target.object key + related modern APIs.
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pipewire = { version = "0.8", features = ["v0_3_44"] }
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libspa = "0.8"
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# Safe byte<->POD casts for audio buffers.
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bytemuck = "1.18"
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# Profile hot-reload
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notify = "6.1"
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notify-debouncer-mini = "0.4"
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# Logging — journald optional
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tracing-journald = "0.3"
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[profile.release]
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opt-level = 3
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lto = "thin"
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codegen-units = 1
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debug = "line-tables-only"
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overflow-checks = false
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panic = "abort"
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[profile.dev]
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opt-level = 1 # audio code is unusable at -O0
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debug = true
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overflow-checks = true
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[profile.bench]
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inherits = "release"
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debug = "full"
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