chore: Release spectrust version 0.2.9

The ephemeral GITHUB_TOKEN isn't accepted for package upload; use a
dedicated write:package secret instead. Skip cleanly when unset and
continue-on-error so the registry mirror never blocks the AUR push/release.

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01GLUwWE2KmFPzhKaf67tWbx

.gitea/workflows/release.yml

@@ -30,14 +30,40 @@ jobs:
         with:
           targets: ${{ matrix.target }}
 
-      - name: Cache cargo registry
+      - name: Cache cargo + build artifacts
         uses: actions/cache@v3
         with:
-          path: ~/.cargo/registry
+          path: |
+            ~/.cargo/registry
+            ~/.cargo/git
+            target
           key: ${{ runner.os }}-${{ matrix.arch }}-cargo-${{ hashFiles('Cargo.lock') }}
+          # Reuse a prior build's compiled deps (pipewire-sys/bindgen is slow,
+          # especially on the aarch64 host) even when Cargo.lock changed.
+          restore-keys: |
+            ${{ runner.os }}-${{ matrix.arch }}-cargo-
+
+      - name: Ensure audio build deps (libpipewire + clang for native capture)
+        run: |
+          if command -v apt-get >/dev/null; then
+            # Ephemeral container runner: safe to install into it.
+            SUDO=""; command -v sudo >/dev/null && SUDO=sudo
+            $SUDO apt-get update
+            $SUDO apt-get install -y libpipewire-0.3-dev libspa-0.2-dev clang libclang-dev pkg-config
+          else
+            # Bare/host runner: never mutate it - require deps preinstalled.
+            missing=""
+            pkg-config --exists libpipewire-0.3 2>/dev/null || missing="$missing libpipewire(+dev headers)"
+            command -v clang >/dev/null || missing="$missing clang"
+            if [ -n "$missing" ]; then
+              echo "::error::bare runner missing build deps:$missing — install once on the host; CI does not modify bare runners"
+              exit 1
+            fi
+            echo "bare runner already has libpipewire + clang"
+          fi
 
       - name: Build
-        run: cargo build --release --target ${{ matrix.target }}
+        run: cargo build --release --locked --target ${{ matrix.target }}
 
       - name: Package
         run: |
@@ -53,7 +79,7 @@ jobs:
       - name: Create release
         run: |
           curl -sX POST \
-            -H "Authorization: token ${{ secrets.GITEA_TOKEN }}" \
+            -H "Authorization: token ${{ secrets.GITHUB_TOKEN }}" \
             -H "Content-Type: application/json" \
             "${{ gitea.server_url }}/api/v1/repos/${{ gitea.repository }}/releases" \
             -d "{\"tag_name\":\"${{ gitea.ref_name }}\",\"name\":\"${{ gitea.ref_name }}\"}" \
@@ -62,23 +88,23 @@ jobs:
       - name: Upload assets
         run: |
           RELEASE_ID=$(curl -s \
-            -H "Authorization: token ${{ secrets.GITEA_TOKEN }}" \
+            -H "Authorization: token ${{ secrets.GITHUB_TOKEN }}" \
             "${{ gitea.server_url }}/api/v1/repos/${{ gitea.repository }}/releases/tags/${{ gitea.ref_name }}" \
             | jq -r '.id')
 
           for FILE in "${{ env.TARBALL }}" "${{ env.TARBALL }}.sha256"; do
             EXISTING=$(curl -s \
-              -H "Authorization: token ${{ secrets.GITEA_TOKEN }}" \
+              -H "Authorization: token ${{ secrets.GITHUB_TOKEN }}" \
               "${{ gitea.server_url }}/api/v1/repos/${{ gitea.repository }}/releases/${RELEASE_ID}/assets" \
               | jq -r ".[] | select(.name == \"${FILE}\") | .id")
             for AID in $EXISTING; do
               curl -sX DELETE \
-                -H "Authorization: token ${{ secrets.GITEA_TOKEN }}" \
+                -H "Authorization: token ${{ secrets.GITHUB_TOKEN }}" \
                 "${{ gitea.server_url }}/api/v1/repos/${{ gitea.repository }}/releases/${RELEASE_ID}/assets/${AID}"
             done
 
             curl -sX POST \
-              -H "Authorization: token ${{ secrets.GITEA_TOKEN }}" \
+              -H "Authorization: token ${{ secrets.GITHUB_TOKEN }}" \
               -H "Content-Type: application/octet-stream" \
               "${{ gitea.server_url }}/api/v1/repos/${{ gitea.repository }}/releases/${RELEASE_ID}/assets?name=${FILE}" \
               --data-binary "@${FILE}" --fail-with-body
@@ -102,6 +128,35 @@ jobs:
           sed -i "s/sha256sums_x86_64=('.*')/sha256sums_x86_64=('${SUM_X86}')/" aur/PKGBUILD
           sed -i "s/sha256sums_aarch64=('.*')/sha256sums_aarch64=('${SUM_AARCH}')/" aur/PKGBUILD
 
+      # Also publish the built packages to this instance's Arch registry
+      # (docs.gitea.com/usage/packages/arch). The PKGBUILD only repacks the
+      # release tarballs, so CARCH can produce both architectures from this
+      # one host. Consumers: see the infrastructure README.
+      # Best-effort mirror to the instance Arch registry. The ephemeral
+      # GITHUB_TOKEN is not accepted as a package-write credential, so this
+      # uses a dedicated REGISTRY_TOKEN secret (a write:package token for bl);
+      # if it is unset the step is skipped, and continue-on-error keeps a
+      # registry hiccup from failing the release or the AUR push.
+      - name: Publish to the Arch package registry
+        continue-on-error: true
+        run: |
+          set -euo pipefail
+          if [ -z "${{ secrets.REGISTRY_TOKEN }}" ]; then
+            echo "::warning::REGISTRY_TOKEN not set — skipping Arch registry publish"
+            exit 0
+          fi
+          cd aur
+          # --packagelist gives the exact filename (honours the runner's
+          # PKGEXT); !strip (in the PKGBUILD) lets the foreign-arch binary be
+          # packaged on this host without stripping.
+          for carch in aarch64 x86_64; do
+            pkgfile=$(CARCH="$carch" makepkg --packagelist | tail -1)
+            CARCH="$carch" makepkg -f --nodeps --noconfirm --skipinteg
+            curl --fail-with-body --user "bl:${{ secrets.REGISTRY_TOKEN }}" \
+              --upload-file "$pkgfile" \
+              "${{ gitea.server_url }}/api/packages/${{ gitea.repository_owner }}/arch/uhhm"
+          done
+
       - name: Push to AUR
         env:
           AUR_SSH_KEY: ${{ secrets.AUR_SSH_KEY }}

Cargo.lock

@@ -2,6 +2,25 @@
 # It is not intended for manual editing.
 version = 4
 
+[[package]]
+name = "aho-corasick"
+version = "1.1.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c982642fa9e8606056828ee9a8505737230110bb1099153c79efe865c59d12ba"
+dependencies = [
+ "memchr",
+]
+
+[[package]]
+name = "annotate-snippets"
+version = "0.11.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "710e8eae58854cdc1790fcb56cca04d712a17be849eeb81da2a724bf4bae2bc4"
+dependencies = [
+ "anstyle",
+ "unicode-width",
+]
+
 [[package]]
 name = "anstream"
 version = "0.6.18"
@@ -57,6 +76,25 @@ version = "1.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "ace50bade8e6234aa140d9a2f552bbee1db4d353f69b8217bc503490fc1a9f26"
 
+[[package]]
+name = "bindgen"
+version = "0.72.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "993776b509cfb49c750f11b8f07a46fa23e0a1386ffc01fb1e7d343efc387895"
+dependencies = [
+ "annotate-snippets",
+ "bitflags",
+ "cexpr",
+ "clang-sys",
+ "itertools",
+ "proc-macro2",
+ "quote",
+ "regex",
+ "rustc-hash",
+ "shlex 1.3.0",
+ "syn 2.0.87",
+]
+
 [[package]]
 name = "bitflags"
 version = "2.13.0"
@@ -69,12 +107,52 @@ version = "1.5.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "1fd0f2584146f6f2ef48085050886acf353beff7305ebd1ae69500e27c67f64b"
 
+[[package]]
+name = "cc"
+version = "1.4.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "005ec2760ca554fae18df7a11195552ec576cd665632a881bc011d5bb2fd4d80"
+dependencies = [
+ "find-msvc-tools",
+ "shlex 2.0.1",
+]
+
+[[package]]
+name = "cexpr"
+version = "0.6.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6fac387a98bb7c37292057cffc56d62ecb629900026402633ae9160df93a8766"
+dependencies = [
+ "nom 7.1.3",
+]
+
+[[package]]
+name = "cfg-expr"
+version = "0.20.9"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "fe4ece8474b5f766c63426647e7b4b316b67431ade1036a8313cee24a03ae917"
+dependencies = [
+ "smallvec",
+ "target-lexicon",
+]
+
 [[package]]
 name = "cfg-if"
 version = "1.0.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "9330f8b2ff13f34540b44e946ef35111825727b38d33286ef986142615121801"
 
+[[package]]
+name = "clang-sys"
+version = "1.9.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "157a8ba7b480713b56f4c09fd13fc3e0a22a5dfab8097ba61cbc5feef950788a"
+dependencies = [
+ "glob",
+ "libc",
+ "libloading",
+]
+
 [[package]]
 name = "clap"
 version = "4.5.21"
@@ -106,7 +184,7 @@ dependencies = [
  "heck",
  "proc-macro2",
  "quote",
- "syn",
+ "syn 2.0.87",
 ]
 
 [[package]]
@@ -130,6 +208,12 @@ dependencies = [
  "unicode-segmentation",
 ]
 
+[[package]]
+name = "cookie-factory"
+version = "0.3.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9885fa71e26b8ab7855e2ec7cae6e9b380edff76cd052e07c683a0319d51b3a2"
+
 [[package]]
 name = "crossterm"
 version = "0.29.0"
@@ -176,7 +260,7 @@ dependencies = [
  "proc-macro2",
  "quote",
  "rustc_version",
- "syn",
+ "syn 2.0.87",
 ]
 
 [[package]]
@@ -188,6 +272,18 @@ dependencies = [
  "litrs",
 ]
 
+[[package]]
+name = "either"
+version = "1.18.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "252afb9ae5eaa683babdc6a068b3f5726eb19e05070c731f9b2a23a7c3e8ed34"
+
+[[package]]
+name = "equivalent"
+version = "1.0.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "877a4ace8713b0bcf2a4e7eec82529c029f1d0619886d18145fea96c3ffe5c0f"
+
 [[package]]
 name = "errno"
 version = "0.3.14"
@@ -195,27 +291,101 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "39cab71617ae0d63f51a36d69f866391735b51691dbda63cf6f96d042b63efeb"
 dependencies = [
  "libc",
- "windows-sys 0.59.0",
+ "windows-sys 0.61.2",
 ]
 
+[[package]]
+name = "find-msvc-tools"
+version = "0.1.12"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3e0f1c7c3a72c66fd80abe965175f7523475c0489a87d3ff9d6e8c87d87a9d2d"
+
+[[package]]
+name = "glob"
+version = "0.3.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e4eba85ea1d0a966a983acd07deee566e67395d2d96b6fb39e62b5a833f1eb0b"
+
+[[package]]
+name = "hashbrown"
+version = "0.17.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ed5909b6e89a2db4456e54cd5f673791d7eca6732202bbf2a9cc504fe2f9b84a"
+
 [[package]]
 name = "heck"
 version = "0.5.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "2304e00983f87ffb38b55b444b5e3b60a884b5d30c0fca7d82fe33449bbe55ea"
 
+[[package]]
+name = "indexmap"
+version = "2.14.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "cc4e190f5d26ca7051642629da2c52fc03bde85a03197c99408dcd291734c855"
+dependencies = [
+ "equivalent",
+ "hashbrown",
+]
+
 [[package]]
 name = "is_terminal_polyfill"
 version = "1.70.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "7943c866cc5cd64cbc25b2e01621d07fa8eb2a1a23160ee81ce38704e97b8ecf"
 
+[[package]]
+name = "itertools"
+version = "0.12.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ba291022dbbd398a455acf126c1e341954079855bc60dfdda641363bd6922569"
+dependencies = [
+ "either",
+]
+
 [[package]]
 name = "libc"
 version = "0.2.186"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "68ab91017fe16c622486840e4c83c9a37afeff978bd239b5293d61ece587de66"
 
+[[package]]
+name = "libloading"
+version = "0.8.9"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d7c4b02199fee7c5d21a5ae7d8cfa79a6ef5bb2fc834d6e9058e89c825efdc55"
+dependencies = [
+ "cfg-if",
+ "windows-link",
+]
+
+[[package]]
+name = "libspa"
+version = "0.10.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "882f7427e7989dcc9d388b7f05c4630390a1d7696f9ffa469cd4a7a48f0b4c40"
+dependencies = [
+ "bitflags",
+ "cc",
+ "cookie-factory",
+ "libc",
+ "libspa-sys",
+ "nom 8.0.0",
+ "rustix",
+ "system-deps",
+]
+
+[[package]]
+name = "libspa-sys"
+version = "0.10.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3b6e17bdaf63ed0d5e4144022624032b41fd9733112e8c74ac26fc9bf1291924"
+dependencies = [
+ "bindgen",
+ "cc",
+ "system-deps",
+]
+
 [[package]]
 name = "linux-raw-sys"
 version = "0.12.1"
@@ -243,6 +413,18 @@ version = "0.4.33"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "0ceec5bc11778974d1bcb055b18002eba7f4b3518b6a0081b3af5f21666da9ad"
 
+[[package]]
+name = "memchr"
+version = "2.8.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "cf8baf1c55e62ffcace7a9f06f4bd9cd3f0c4beb022d3b367256b91b87513d98"
+
+[[package]]
+name = "minimal-lexical"
+version = "0.2.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "68354c5c6bd36d73ff3feceb05efa59b6acb7626617f4962be322a825e61f79a"
+
 [[package]]
 name = "mio"
 version = "1.2.1"
@@ -255,6 +437,25 @@ dependencies = [
  "windows-sys 0.61.2",
 ]
 
+[[package]]
+name = "nom"
+version = "7.1.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d273983c5a657a70a3e8f2a01329822f3b8c8172b73826411a55751e404a0a4a"
+dependencies = [
+ "memchr",
+ "minimal-lexical",
+]
+
+[[package]]
+name = "nom"
+version = "8.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "df9761775871bdef83bee530e60050f7e54b1105350d6884eb0fb4f46c2f9405"
+dependencies = [
+ "memchr",
+]
+
 [[package]]
 name = "num-complex"
 version = "0.4.6"
@@ -305,6 +506,37 @@ dependencies = [
  "windows-link",
 ]
 
+[[package]]
+name = "pipewire"
+version = "0.10.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "bde71084c4e25959d68f1ea54daa75e5ecdb338e5caf0b5510143b79baa32d5c"
+dependencies = [
+ "bitflags",
+ "libc",
+ "libspa",
+ "libspa-sys",
+ "pipewire-sys",
+ "rustix",
+]
+
+[[package]]
+name = "pipewire-sys"
+version = "0.10.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9ce653f53e63e5b93853218092ee9a8906a5d082c92f3f1db26316955dd63ce0"
+dependencies = [
+ "bindgen",
+ "libspa-sys",
+ "system-deps",
+]
+
+[[package]]
+name = "pkg-config"
+version = "0.3.34"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f6b464fbc74e149a392436b17d523f769e057cb6877f6a5c4618bc6f11800548"
+
 [[package]]
 name = "primal-check"
 version = "0.3.4"
@@ -316,9 +548,9 @@ dependencies = [
 
 [[package]]
 name = "proc-macro2"
-version = "1.0.89"
+version = "1.0.107"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f139b0662de085916d1fb67d2b4169d1addddda1919e696f3252b740b629986e"
+checksum = "985e7ec9bb745e6ce6535b544d84d6cd6f7ad8bd711c398938ae983b91a766d9"
 dependencies = [
  "unicode-ident",
 ]
@@ -341,6 +573,41 @@ dependencies = [
  "bitflags",
 ]
 
+[[package]]
+name = "regex"
+version = "1.13.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f020237b6c8eed93db2e2cb53c00c60a8e1bc73da7d073199a1180401450218d"
+dependencies = [
+ "aho-corasick",
+ "memchr",
+ "regex-automata",
+ "regex-syntax",
+]
+
+[[package]]
+name = "regex-automata"
+version = "0.4.18"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ad8553b9b26413251cbf30e620595c7a41b3887f03da04579c0e6b0d6a06b4b2"
+dependencies = [
+ "aho-corasick",
+ "memchr",
+ "regex-syntax",
+]
+
+[[package]]
+name = "regex-syntax"
+version = "0.8.11"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d6f6ff9a378485b298a5286656da665ba74413d36db0979633275d2e708145d4"
+
+[[package]]
+name = "rustc-hash"
+version = "2.1.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6b1e7f9a428571be2dc5bc0505c13fb6bf936822b894ec87abf8a08a4e51742d"
+
 [[package]]
 name = "rustc_version"
 version = "0.4.1"
@@ -375,7 +642,7 @@ dependencies = [
  "errno",
  "libc",
  "linux-raw-sys",
- "windows-sys 0.59.0",
+ "windows-sys 0.61.2",
 ]
 
 [[package]]
@@ -390,6 +657,47 @@ version = "1.0.28"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "8a7852d02fc848982e0c167ef163aaff9cd91dc640ba85e263cb1ce46fae51cd"
 
+[[package]]
+name = "serde_core"
+version = "1.0.229"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "67dca2c9c51e58a4791a4b1ed58308b39c64224d349a935ab5039aa360942a48"
+dependencies = [
+ "serde_derive",
+]
+
+[[package]]
+name = "serde_derive"
+version = "1.0.229"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e7a5d71263a5a7d47b41f6b3f06ba276f10cc18b0931f1799f710578e2309348"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn 3.0.5",
+]
+
+[[package]]
+name = "serde_spanned"
+version = "1.1.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6662b5879511e06e8999a8a235d848113e942c9124f211511b16466ee2995f26"
+dependencies = [
+ "serde_core",
+]
+
+[[package]]
+name = "shlex"
+version = "1.3.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0fda2ff0d084019ba4d7c6f371c95d8fd75ce3524c3cb8fb653a3023f6323e64"
+
+[[package]]
+name = "shlex"
+version = "2.0.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f8fadd59c855ef2080decdef8ff161eb6661b86933c9d82e5ba29dc602a55aba"
+
 [[package]]
 name = "signal-hook"
 version = "0.3.18"
@@ -429,11 +737,12 @@ checksum = "8ed6a63f02c8539c91a8685a86f4099661ba3da017932f6ebbea6de3f0fa7c90"
 
 [[package]]
 name = "spectrust"
-version = "0.2.6"
+version = "0.2.9"
 dependencies = [
  "byteorder",
  "clap",
  "crossterm",
+ "pipewire",
  "rustfft",
 ]
 
@@ -460,6 +769,75 @@ dependencies = [
  "unicode-ident",
 ]
 
+[[package]]
+name = "syn"
+version = "3.0.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "12df2e0110f65b775f769bb17ef989067a1d931b2eb822bd4346631eeada89f9"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "unicode-ident",
+]
+
+[[package]]
+name = "system-deps"
+version = "7.0.8"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "396a35feb67335377e0251fcbc1092fc85c484bd4e3a7a54319399da127796e7"
+dependencies = [
+ "cfg-expr",
+ "heck",
+ "pkg-config",
+ "toml",
+ "version-compare",
+]
+
+[[package]]
+name = "target-lexicon"
+version = "0.13.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "adb6935a6f5c20170eeceb1a3835a49e12e19d792f6dd344ccc76a985ca5a6ca"
+
+[[package]]
+name = "toml"
+version = "1.1.6+spec-1.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "920602543f0911ab71da12c50d59701da54c196d1a2bf5cb4b75667f137a406a"
+dependencies = [
+ "indexmap",
+ "serde_core",
+ "serde_spanned",
+ "toml_datetime",
+ "toml_parser",
+ "toml_writer",
+ "winnow",
+]
+
+[[package]]
+name = "toml_datetime"
+version = "1.1.1+spec-1.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3165f65f62e28e0115a00b2ebdd37eb6f3b641855f9d636d3cd4103767159ad7"
+dependencies = [
+ "serde_core",
+]
+
+[[package]]
+name = "toml_parser"
+version = "1.1.3+spec-1.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1d38ac1cf9b95face32296c0a3ede1fdc270627c9d9c02a7274dd6d960dc4d56"
+dependencies = [
+ "winnow",
+]
+
+[[package]]
+name = "toml_writer"
+version = "1.1.2+spec-1.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7d56353a2a665ad0f41a421187180aab746c8c325620617ad883a99a1cbe66d2"
+
 [[package]]
 name = "transpose"
 version = "0.2.3"
@@ -482,12 +860,24 @@ version = "1.13.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "c6f5d3c3b1bf09027a88a6bc961fc00497d651009560b5463668dc81b0fa87a8"
 
+[[package]]
+name = "unicode-width"
+version = "0.2.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b4ac048d71ede7ee76d585517add45da530660ef4390e49b098733c6e897f254"
+
 [[package]]
 name = "utf8parse"
 version = "0.2.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "06abde3611657adf66d383f00b093d7faecc7fa57071cce2578660c9f1010821"
 
+[[package]]
+name = "version-compare"
+version = "0.2.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "03c2856837ef78f57382f06b2b8563a2f512f7185d732608fd9176cb3b8edf0e"
+
 [[package]]
 name = "version_check"
 version = "0.9.5"
@@ -609,3 +999,9 @@ name = "windows_x86_64_msvc"
 version = "0.52.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "589f6da84c646204747d1270a2a5661ea66ed1cced2631d546fdfb155959f9ec"
+
+[[package]]
+name = "winnow"
+version = "1.0.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "23b97319f7b8343df12cc98938e5c3eb436064524c8d2b4e30a1d3a36eecdf81"

Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "spectrust"
-version = "0.2.6"
+version = "0.2.9"
 edition = "2021"
 
 [profile.release]
@@ -12,3 +12,4 @@ byteorder = "1.5.0"
 clap = { version = "4.5.21", features = ["derive"] }
 crossterm = "0.29.0"
 rustfft = "6.2.0"
+pipewire = "0.10"

README.md

@@ -10,7 +10,7 @@ A terminal audio spectrum analyzer written in Rust. Visualizes PCM audio in real
 
 **Arch Linux (AUR)**
 ```
-yay -S spectrust
+paru -S spectrust
 ```
 
 **From source**

aur/PKGBUILD

@@ -1,16 +1,17 @@
 # Maintainer: Bendik Aagaard Lynghaug <bendik.lynghaug@gmail.com>
 pkgname=spectrust
-pkgver=0.2.6
+pkgver=0.2.9
 pkgrel=1
 pkgdesc="Terminal audio spectrum analyzer"
 arch=('x86_64' 'aarch64')
-url="https://prosjekt.klingenbergbygg.no/bl/spectrust"
+options=('!strip')
+url="https://project.uhhm.no/bl/spectrust"
 license=('MIT')
-depends=()
+depends=('libpipewire')
 provides=('spectrust')
 conflicts=('spectrust-git' 'spectrust-bin')
-source_x86_64=("spectrust-v${pkgver}-x86_64.tar.gz::https://prosjekt.klingenbergbygg.no/bl/spectrust/releases/download/v${pkgver}/spectrust-v${pkgver}-x86_64.tar.gz")
+source_x86_64=("spectrust-v${pkgver}-x86_64.tar.gz::https://project.uhhm.no/bl/spectrust/releases/download/v${pkgver}/spectrust-v${pkgver}-x86_64.tar.gz")
-source_aarch64=("spectrust-v${pkgver}-aarch64.tar.gz::https://prosjekt.klingenbergbygg.no/bl/spectrust/releases/download/v${pkgver}/spectrust-v${pkgver}-aarch64.tar.gz")
+source_aarch64=("spectrust-v${pkgver}-aarch64.tar.gz::https://project.uhhm.no/bl/spectrust/releases/download/v${pkgver}/spectrust-v${pkgver}-aarch64.tar.gz")
 sha256sums_x86_64=('SKIP')
 sha256sums_aarch64=('SKIP')
 

src/main.rs

@@ -17,7 +17,8 @@ use std::sync::mpsc;
 use std::thread;
 use std::time::{Duration, Instant};
 use byteorder::{LittleEndian, ReadBytesExt};
-use std::process::{Command, Stdio};
+
+mod pipewire_capture;
 
 const EMPTY_CELL: Cell = Cell { character: ' ', filled: false };
 const BLOCK_CELL: Cell = Cell { character: '█', filled: true };
@@ -121,7 +122,7 @@ fn handle_terminal_resize(
           long_about = "Spectrust is a PCM spectrum analyzer that visualizes audio in your terminal.\n\
                        It can read from stdin, a file, or capture directly from PipeWire.\n\n\
                        Examples:\n\
-                       - Direct PipeWire capture: spectrust -p\n\
+                       - Direct PipeWire capture (native, low-latency): spectrust -p\n\
                        - From audio file: spectrust -i audio.pcm\n\
                        - From stdin: pw-record --raw - | spectrust\n\n\
                        Runtime controls:\n\
@@ -133,9 +134,12 @@ struct Cli {
     #[arg(short, long, help = "Target frames per second", default_value_t = 60)]
     fps: u16,
 
-    #[arg(short, long, help = "Use PipeWire to capture audio directly")]
+    #[arg(short, long, help = "Capture audio directly via native low-latency PipeWire (default sink monitor)")]
     pipewire: bool,
 
+    #[arg(long, help = "PipeWire capture quantum in frames — lower is lower latency (more CPU/xrun risk)", default_value_t = 256)]
+    latency: u32,
+
     #[arg(short, long, help = "Input file (reads from stdin if not provided)")]
     input: Option<String>,
 
@@ -184,41 +188,23 @@ fn main() {
 
     let _ = out.flush();
 
-    let reader: Box<dyn Read + Send + 'static> = if cli.pipewire {
+    let (tx, rx) = mpsc::channel::<Vec<f32>>();
-        let spawn_result = Command::new("pw-record")
+
-            .args([
+    if cli.pipewire {
-                "--format=s16",
+        // Native low-latency capture: pushes mono f32 straight into `tx`.
-                &format!("--rate={}", cli.rate),
+        if let Err(e) = pipewire_capture::spawn(tx, cli.rate, cli.channels, cli.latency) {
-                &format!("--channels={}", cli.channels),
-                "--raw",
-                "-",
-            ])
-            .stdout(Stdio::piped())
-            .spawn();
-        match spawn_result {
-            Ok(mut process) => {
-                Box::new(process.stdout.take().expect("failed to capture pw-record stdout"))
-            }
-            Err(e) if e.kind() == std::io::ErrorKind::NotFound => {
             let _ = execute!(out, LeaveAlternateScreen);
             let _ = disable_raw_mode();
-                eprintln!("error: pw-record not found — install PipeWire or pipe audio via stdin.");
+            eprintln!("error: {e}");
             std::process::exit(1);
         }
-            Err(e) => {
+    } else {
-                let _ = execute!(out, LeaveAlternateScreen);
+        let reader: Box<dyn Read + Send + 'static> = if let Some(filename) = &cli.input {
-                let _ = disable_raw_mode();
-                eprintln!("error: failed to start pw-record: {e}");
-                std::process::exit(1);
-            }
-        }
-    } else if let Some(filename) = &cli.input {
             Box::new(File::open(filename).expect("failed to open input file"))
         } else {
             Box::new(std::io::stdin())
         };
 
-    let (tx, rx) = mpsc::channel::<Vec<f32>>();
         let _audio_thread = thread::spawn(move || {
             let mut reader = reader;
             let mut input_buffer = vec![0u8; samples_per_frame * num_channels * (bit_depth / 8)];
@@ -255,6 +241,7 @@ fn main() {
                 }
             }
         });
+    }
 
     let max_width: u16 = 1000;
     let max_height: u16 = 1000;

src/pipewire_capture.rs

@@ -0,0 +1,153 @@
+//! Native, low-latency PipeWire capture.
+//!
+//! Instead of shelling out to `pw-record` (an extra process, its own
+//! buffering, and an s16 round-trip), this connects a real capture stream to
+//! the graph, negotiates F32 at a small quantum, and pushes mono f32 samples
+//! straight into the render channel from the stream's realtime `process`
+//! callback. By default it captures the monitor of the default sink (what you
+//! hear); `latency` is a frames/rate hint the server honours by shrinking the
+//! quantum. Rate and channel count follow the native graph format.
+
+use std::sync::mpsc::Sender;
+use std::thread;
+
+use pipewire as pw;
+use pw::spa;
+use pw::{properties::properties, spa::pod::Pod};
+use spa::param::audio::AudioInfoRaw;
+use spa::param::format::{MediaSubtype, MediaType};
+use spa::param::format_utils;
+
+/// Start capturing on a dedicated thread. Returns once the stream is connected
+/// (or with an error describing why it could not start), so the caller can
+/// report cleanly before taking over the terminal.
+pub fn spawn(tx: Sender<Vec<f32>>, rate: u32, channels: u8, latency: u32) -> Result<(), String> {
+    let (ready_tx, ready_rx) = std::sync::mpsc::channel::<Result<(), String>>();
+    thread::Builder::new()
+        .name("pipewire-capture".into())
+        .spawn(move || {
+            if let Err(e) = run(tx, rate, channels, latency, ready_tx.clone()) {
+                let _ = ready_tx.send(Err(e));
+            }
+        })
+        .map_err(|e| format!("failed to spawn capture thread: {e}"))?;
+    ready_rx
+        .recv()
+        .map_err(|_| "pipewire capture thread exited before connecting".to_string())?
+}
+
+fn run(
+    tx: Sender<Vec<f32>>,
+    rate: u32,
+    _channels: u8,
+    latency: u32,
+    ready: Sender<Result<(), String>>,
+) -> Result<(), String> {
+    pw::init();
+
+    let mainloop = pw::main_loop::MainLoopRc::new(None).map_err(|e| format!("mainloop: {e}"))?;
+    let context =
+        pw::context::ContextRc::new(&mainloop, None).map_err(|e| format!("context: {e}"))?;
+    let core = context
+        .connect_rc(None)
+        .map_err(|e| format!("connect to PipeWire (is it running?): {e}"))?;
+
+    let props = properties! {
+        *pw::keys::MEDIA_TYPE => "Audio",
+        *pw::keys::MEDIA_CATEGORY => "Capture",
+        *pw::keys::MEDIA_ROLE => "Music",
+        // Capture the monitor of the default sink - visualize what's playing.
+        *pw::keys::STREAM_CAPTURE_SINK => "true",
+        // Ask the server for a small quantum: lower = lower latency.
+        *pw::keys::NODE_LATENCY => format!("{latency}/{rate}"),
+        *pw::keys::NODE_NAME => "spectrust",
+    };
+
+    let stream = pw::stream::StreamBox::new(&core, "spectrust", props)
+        .map_err(|e| format!("stream: {e}"))?;
+
+    // Channel count is learned from the negotiated format (param_changed) and
+    // read back in the realtime process callback; 0 until negotiated.
+    let _listener = stream
+        .add_local_listener_with_user_data(AudioInfoRaw::default())
+        .param_changed(|_, info, id, param| {
+            let Some(param) = param else { return };
+            if id != pw::spa::param::ParamType::Format.as_raw() {
+                return;
+            }
+            let Ok((mt, ms)) = format_utils::parse_format(param) else {
+                return;
+            };
+            if mt != MediaType::Audio || ms != MediaSubtype::Raw {
+                return;
+            }
+            let _ = info.parse(param);
+        })
+        .process(move |stream, info| {
+            let Some(mut buffer) = stream.dequeue_buffer() else {
+                return;
+            };
+            let ch = info.channels() as usize;
+            if ch == 0 {
+                return;
+            }
+            let datas = buffer.datas_mut();
+            let Some(data) = datas.first_mut() else {
+                return;
+            };
+            let n_bytes = data.chunk().size() as usize;
+            let Some(bytes) = data.data() else { return };
+            let bytes = &bytes[..n_bytes.min(bytes.len())];
+            let frame_bytes = ch * 4;
+            let frames = bytes.len() / frame_bytes;
+            if frames == 0 {
+                return;
+            }
+            let mut mono = Vec::with_capacity(frames);
+            for f in 0..frames {
+                let base = f * frame_bytes;
+                let mut sum = 0.0f32;
+                for c in 0..ch {
+                    let o = base + c * 4;
+                    sum += f32::from_le_bytes([bytes[o], bytes[o + 1], bytes[o + 2], bytes[o + 3]]);
+                }
+                mono.push(sum / ch as f32);
+            }
+            let _ = tx.send(mono);
+        })
+        .register()
+        .map_err(|e| format!("listener: {e}"))?;
+
+    // EnumFormat pod: force F32; leave rate/channels empty to accept the
+    // native graph format (the server converts as needed).
+    let mut audio_info = AudioInfoRaw::new();
+    audio_info.set_format(spa::param::audio::AudioFormat::F32LE);
+    let obj = spa::pod::Object {
+        type_: spa::utils::SpaTypes::ObjectParamFormat.as_raw(),
+        id: spa::param::ParamType::EnumFormat.as_raw(),
+        properties: audio_info.into(),
+    };
+    let values: Vec<u8> = spa::pod::serialize::PodSerializer::serialize(
+        std::io::Cursor::new(Vec::new()),
+        &spa::pod::Value::Object(obj),
+    )
+    .map_err(|e| format!("pod serialize: {e}"))?
+    .0
+    .into_inner();
+    let mut params = [Pod::from_bytes(&values).ok_or("invalid format pod")?];
+
+    stream
+        .connect(
+            spa::utils::Direction::Input,
+            None,
+            pw::stream::StreamFlags::AUTOCONNECT
+                | pw::stream::StreamFlags::MAP_BUFFERS
+                | pw::stream::StreamFlags::RT_PROCESS,
+            &mut params,
+        )
+        .map_err(|e| format!("connect stream: {e}"))?;
+
+    let _ = ready.send(Ok(()));
+    mainloop.run();
+    Ok(())
+}