From 80776c65d8a8742c2dfd59fc6f9be4c4c61c720f Mon Sep 17 00:00:00 2001
From: Savanni D'Gerinel <savanni@luminescent-dreams.com>
Date: Wed, 21 Aug 2024 09:40:58 -0400
Subject: [PATCH 1/2] Write a program that enumerates audio sinks on the device

---
 Cargo.lock                                    | 171 ++++++++++++++++++
 Cargo.toml                                    |   2 +-
 gm-dash/server/Cargo.toml                     |   1 +
 .../server/src/bin/enumerate-audio-sinks.rs   |  25 +++
 gm-dash/server/src/main.rs                    |   3 -
 5 files changed, 198 insertions(+), 4 deletions(-)
 create mode 100644 gm-dash/server/src/bin/enumerate-audio-sinks.rs
 delete mode 100644 gm-dash/server/src/main.rs

diff --git a/Cargo.lock b/Cargo.lock
index 95e3947..c59b960 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -66,6 +66,16 @@ dependencies = [
  "libc",
 ]
 
+[[package]]
+name = "annotate-snippets"
+version = "0.9.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ccaf7e9dfbb6ab22c82e473cd1a8a7bd313c19a5b7e40970f3d89ef5a5c9e81e"
+dependencies = [
+ "unicode-width",
+ "yansi-term",
+]
+
 [[package]]
 name = "anstream"
 version = "0.6.5"
@@ -404,6 +414,27 @@ dependencies = [
  "rp-pico",
 ]
 
+[[package]]
+name = "bindgen"
+version = "0.69.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a00dc851838a2120612785d195287475a3ac45514741da670b735818822129a0"
+dependencies = [
+ "annotate-snippets",
+ "bitflags 2.4.1",
+ "cexpr",
+ "clang-sys",
+ "itertools 0.12.0",
+ "lazy_static",
+ "lazycell",
+ "proc-macro2",
+ "quote",
+ "regex",
+ "rustc-hash",
+ "shlex",
+ "syn 2.0.48",
+]
+
 [[package]]
 name = "bit-set"
 version = "0.5.3"
@@ -535,6 +566,15 @@ dependencies = [
  "libc",
 ]
 
+[[package]]
+name = "cexpr"
+version = "0.6.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6fac387a98bb7c37292057cffc56d62ecb629900026402633ae9160df93a8766"
+dependencies = [
+ "nom",
+]
+
 [[package]]
 name = "cfg-expr"
 version = "0.15.5"
@@ -596,6 +636,17 @@ dependencies = [
  "phf_codegen 0.11.2",
 ]
 
+[[package]]
+name = "clang-sys"
+version = "1.8.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0b023947811758c97c59bf9d1c188fd619ad4718dcaa767947df1cadb14f39f4"
+dependencies = [
+ "glob",
+ "libc",
+ "libloading",
+]
+
 [[package]]
 name = "clap"
 version = "4.4.11"
@@ -691,6 +742,15 @@ version = "0.9.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "c2459377285ad874054d797f3ccebf984978aa39129f6eafde5cdc8315b612f8"
 
+[[package]]
+name = "convert_case"
+version = "0.6.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ec182b0ca2f35d8fc196cf3404988fd8b8c739a4d270ff118a398feb0cbec1ca"
+dependencies = [
+ "unicode-segmentation",
+]
+
 [[package]]
 name = "cookie"
 version = "0.17.0"
@@ -701,6 +761,15 @@ dependencies = [
  "version_check 0.9.4",
 ]
 
+[[package]]
+name = "cookie-factory"
+version = "0.3.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9885fa71e26b8ab7855e2ec7cae6e9b380edff76cd052e07c683a0319d51b3a2"
+dependencies = [
+ "futures",
+]
+
 [[package]]
 name = "cool_asserts"
 version = "2.0.3"
@@ -1775,6 +1844,12 @@ dependencies = [
  "system-deps",
 ]
 
+[[package]]
+name = "glob"
+version = "0.3.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d2fabcfbdc87f4758337ca535fb41a6d701b65693ce38287d856d1674551ec9b"
+
 [[package]]
 name = "gloo-timers"
 version = "0.2.6"
@@ -1808,6 +1883,9 @@ dependencies = [
 [[package]]
 name = "gm-dash"
 version = "0.1.0"
+dependencies = [
+ "pipewire",
+]
 
 [[package]]
 name = "gobject-sys"
@@ -2446,6 +2524,12 @@ dependencies = [
  "spin 0.5.2",
 ]
 
+[[package]]
+name = "lazycell"
+version = "1.3.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "830d08ce1d1d941e6b30645f1a0eb5643013d835ce3779a5fc208261dbe10f55"
+
 [[package]]
 name = "lebe"
 version = "0.5.2"
@@ -2490,12 +2574,50 @@ version = "0.2.151"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "302d7ab3130588088d277783b1e2d2e10c9e9e4a16dd9050e6ec93fb3e7048f4"
 
+[[package]]
+name = "libloading"
+version = "0.8.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4979f22fdb869068da03c9f7528f8297c6fd2606bc3a4affe42e6a823fdb8da4"
+dependencies = [
+ "cfg-if",
+ "windows-targets 0.52.0",
+]
+
 [[package]]
 name = "libm"
 version = "0.2.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "4ec2a862134d2a7d32d7983ddcdd1c4923530833c9f2ea1a44fc5fa473989058"
 
+[[package]]
+name = "libspa"
+version = "0.8.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "65f3a4b81b2a2d8c7f300643676202debd1b7c929dbf5c9bb89402ea11d19810"
+dependencies = [
+ "bitflags 2.4.1",
+ "cc",
+ "convert_case",
+ "cookie-factory",
+ "libc",
+ "libspa-sys",
+ "nix",
+ "nom",
+ "system-deps",
+]
+
+[[package]]
+name = "libspa-sys"
+version = "0.8.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "bf0d9716420364790e85cbb9d3ac2c950bde16a7dd36f3209b7dfdfc4a24d01f"
+dependencies = [
+ "bindgen",
+ "cc",
+ "system-deps",
+]
+
 [[package]]
 name = "libsqlite3-sys"
 version = "0.27.0"
@@ -3223,6 +3345,34 @@ dependencies = [
  "futures-io",
 ]
 
+[[package]]
+name = "pipewire"
+version = "0.8.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "08e645ba5c45109106d56610b3ee60eb13a6f2beb8b74f8dc8186cf261788dda"
+dependencies = [
+ "anyhow",
+ "bitflags 2.4.1",
+ "libc",
+ "libspa",
+ "libspa-sys",
+ "nix",
+ "once_cell",
+ "pipewire-sys",
+ "thiserror",
+]
+
+[[package]]
+name = "pipewire-sys"
+version = "0.8.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "849e188f90b1dda88fe2bfe1ad31fe5f158af2c98f80fb5d13726c44f3f01112"
+dependencies = [
+ "bindgen",
+ "libspa-sys",
+ "system-deps",
+]
+
 [[package]]
 name = "pkcs1"
 version = "0.7.5"
@@ -4090,6 +4240,12 @@ dependencies = [
  "digest",
 ]
 
+[[package]]
+name = "shlex"
+version = "1.3.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0fda2ff0d084019ba4d7c6f371c95d8fd75ce3524c3cb8fb653a3023f6323e64"
+
 [[package]]
 name = "signal-hook-registry"
 version = "1.4.1"
@@ -4967,6 +5123,12 @@ version = "1.10.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "1dd624098567895118886609431a7c3b8f516e41d30e0643f03d94592a147e36"
 
+[[package]]
+name = "unicode-width"
+version = "0.1.13"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0336d538f7abc86d282a4189614dfaa90810dfc2c6f6427eaf88e16311dd225d"
+
 [[package]]
 name = "unicode_categories"
 version = "0.1.1"
@@ -5466,6 +5628,15 @@ dependencies = [
  "windows-sys 0.48.0",
 ]
 
+[[package]]
+name = "yansi-term"
+version = "0.1.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "fe5c30ade05e61656247b2e334a031dfd0cc466fadef865bdcdea8d537951bf1"
+dependencies = [
+ "winapi",
+]
+
 [[package]]
 name = "zerocopy"
 version = "0.7.31"
diff --git a/Cargo.toml b/Cargo.toml
index 292cbf6..96c65e1 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -30,5 +30,5 @@ members = [
     "sgf",
     "timezone-testing",
     "tree",
-    "visions/server", "gm-dash",
+    "visions/server", "gm-dash/server",
 ]
diff --git a/gm-dash/server/Cargo.toml b/gm-dash/server/Cargo.toml
index dadb985..53a078a 100644
--- a/gm-dash/server/Cargo.toml
+++ b/gm-dash/server/Cargo.toml
@@ -6,3 +6,4 @@ edition = "2021"
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
 [dependencies]
+pipewire = "0.8.0"
diff --git a/gm-dash/server/src/bin/enumerate-audio-sinks.rs b/gm-dash/server/src/bin/enumerate-audio-sinks.rs
new file mode 100644
index 0000000..7ef8632
--- /dev/null
+++ b/gm-dash/server/src/bin/enumerate-audio-sinks.rs
@@ -0,0 +1,25 @@
+use pipewire::{context::Context, main_loop::MainLoop};
+
+fn main() -> Result<(), Box<dyn std::error::Error>> {
+    let mainloop = MainLoop::new(None)?;
+    let context = Context::new(&mainloop)?;
+    let core = context.connect(None)?;
+    let registry = core.get_registry()?;
+
+    let _listener = registry
+        .add_listener_local()
+        .global(|global| {
+            if global.props.and_then(|p| p.get("media.class")) == Some("Audio/Sink"){
+                println!(
+                    "\t{:?} {:?}",
+                    global.props.and_then(|p| p.get("node.description")),
+                    global.props.and_then(|p| p.get("media.class"))
+                );
+            }
+        })
+        .register();
+
+    mainloop.run();
+
+    Ok(())
+}
diff --git a/gm-dash/server/src/main.rs b/gm-dash/server/src/main.rs
deleted file mode 100644
index e7a11a9..0000000
--- a/gm-dash/server/src/main.rs
+++ /dev/null
@@ -1,3 +0,0 @@
-fn main() {
-    println!("Hello, world!");
-}
-- 
2.44.1


From 6cae7dbb0ef3929b420a7266dc0c6739c231daa0 Mon Sep 17 00:00:00 2001
From: Savanni D'Gerinel <savanni@luminescent-dreams.com>
Date: Mon, 26 Aug 2024 10:41:17 -0400
Subject: [PATCH 2/2] Set up a basic server with a device listing endpoint

---
 Cargo.lock                 | 132 ++++++++++++++++++-------------------
 gm-dash/server/Cargo.toml  |   4 ++
 gm-dash/server/src/main.rs | 109 ++++++++++++++++++++++++++++++
 3 files changed, 176 insertions(+), 69 deletions(-)
 create mode 100644 gm-dash/server/src/main.rs

diff --git a/Cargo.lock b/Cargo.lock
index c59b960..6df3499 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -323,7 +323,7 @@ dependencies = [
  "base64ct",
  "clap",
  "cool_asserts",
- "serde 1.0.193",
+ "serde 1.0.209",
  "sha2",
  "sqlx",
  "thiserror",
@@ -474,7 +474,7 @@ version = "2.4.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "327762f6e5a765692301e5bb513e0d9fef63be86bbc14528052b1cd3e6f03e07"
 dependencies = [
- "serde 1.0.193",
+ "serde 1.0.209",
 ]
 
 [[package]]
@@ -608,7 +608,7 @@ dependencies = [
  "iana-time-zone",
  "js-sys",
  "num-traits",
- "serde 1.0.193",
+ "serde 1.0.209",
  "wasm-bindgen",
  "windows-targets 0.48.5",
 ]
@@ -622,7 +622,7 @@ dependencies = [
  "chrono",
  "chrono-tz-build",
  "phf 0.11.2",
- "serde 1.0.193",
+ "serde 1.0.209",
 ]
 
 [[package]]
@@ -723,7 +723,7 @@ version = "0.1.0"
 dependencies = [
  "config-derive",
  "cool_asserts",
- "serde 1.0.193",
+ "serde 1.0.209",
  "serde_json",
  "thiserror",
 ]
@@ -972,7 +972,7 @@ dependencies = [
  "libadwaita",
  "memorycache",
  "reqwest",
- "serde 1.0.193",
+ "serde 1.0.209",
  "serde_derive",
  "serde_json",
  "tokio",
@@ -1041,7 +1041,7 @@ checksum = "2517b0555262aeeda0d107a40ecfbbcf185921180ffb4acf316ebe0887467e26"
 dependencies = [
  "generic-array 0.11.2",
  "num-traits",
- "serde 1.0.193",
+ "serde 1.0.209",
  "typenum",
 ]
 
@@ -1053,7 +1053,7 @@ checksum = "a0b0a86c5d31c93238ff4b694fa31f3acdf67440770dc314c57d90e433914397"
 dependencies = [
  "generic-array 0.14.7",
  "num-traits",
- "serde 1.0.193",
+ "serde 1.0.209",
  "typenum",
 ]
 
@@ -1080,7 +1080,7 @@ version = "1.9.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "a26ae43d7bcc3b814de94796a5e736d4029efb0ee900c12e2d54c993ad1a1e07"
 dependencies = [
- "serde 1.0.193",
+ "serde 1.0.209",
 ]
 
 [[package]]
@@ -1119,7 +1119,7 @@ dependencies = [
  "chrono",
  "chrono-tz",
  "dimensioned 0.7.0",
- "serde 1.0.193",
+ "serde 1.0.209",
  "serde_derive",
  "serde_json",
  "tempfile",
@@ -1274,7 +1274,7 @@ dependencies = [
  "mime 0.3.17",
  "mime_guess 2.0.4",
  "pretty_env_logger",
- "serde 1.0.193",
+ "serde 1.0.209",
  "serde_json",
  "sha2",
  "tempdir",
@@ -1475,7 +1475,7 @@ dependencies = [
  "chrono-tz",
  "dimensioned 0.8.0",
  "emseries",
- "serde 1.0.193",
+ "serde 1.0.209",
  "serde_json",
  "tempfile",
 ]
@@ -1875,7 +1875,7 @@ dependencies = [
  "glib-build-tools 0.16.3",
  "gtk4",
  "libadwaita",
- "serde 1.0.193",
+ "serde 1.0.209",
  "serde_json",
  "tokio",
 ]
@@ -1885,6 +1885,10 @@ name = "gm-dash"
 version = "0.1.0"
 dependencies = [
  "pipewire",
+ "serde 1.0.209",
+ "serde_json",
+ "tokio",
+ "warp",
 ]
 
 [[package]]
@@ -2097,9 +2101,9 @@ dependencies = [
 
 [[package]]
 name = "hermit-abi"
-version = "0.3.3"
+version = "0.3.9"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d77f7ec81a6d05a3abb01ab6eb7590f6083d08449fe5a1c8b1e620283546ccb7"
+checksum = "d231dfb89cfffdbc30e7fc41579ed6066ad03abda9e567ccafae602b97ec5024"
 
 [[package]]
 name = "hex"
@@ -2319,7 +2323,7 @@ name = "ifc"
 version = "0.1.0"
 dependencies = [
  "chrono",
- "serde 1.0.193",
+ "serde 1.0.209",
  "thiserror",
 ]
 
@@ -2731,7 +2735,7 @@ version = "0.1.0"
 dependencies = [
  "chrono",
  "futures",
- "serde 1.0.193",
+ "serde 1.0.209",
  "serde_derive",
  "tokio",
 ]
@@ -2810,13 +2814,14 @@ dependencies = [
 
 [[package]]
 name = "mio"
-version = "0.8.10"
+version = "1.0.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8f3d0b296e374a4e6f3c7b0a1f5a51d748a0d34c85e7dc48fc3fa9a87657fe09"
+checksum = "80e04d1dcff3aae0704555fe5fee3bcfaf3d1fdf8a7e521d5b9d2b42acb52cec"
 dependencies = [
+ "hermit-abi",
  "libc",
  "wasi 0.11.0+wasi-snapshot-preview1",
- "windows-sys 0.48.0",
+ "windows-sys 0.52.0",
 ]
 
 [[package]]
@@ -3091,7 +3096,7 @@ dependencies = [
  "cool_asserts",
  "grid",
  "nary_tree",
- "serde 1.0.193",
+ "serde 1.0.209",
  "serde_json",
  "sgf",
  "thiserror",
@@ -3851,7 +3856,7 @@ dependencies = [
  "once_cell",
  "percent-encoding 2.3.1",
  "pin-project-lite",
- "serde 1.0.193",
+ "serde 1.0.209",
  "serde_json",
  "serde_urlencoded",
  "system-configuration",
@@ -4019,15 +4024,6 @@ dependencies = [
  "windows-sys 0.52.0",
 ]
 
-[[package]]
-name = "rustls-pemfile"
-version = "1.0.4"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1c74cae0a4cf6ccbbf5f359f08efdf8ee7e1dc532573bf0db71968cb56b1448c"
-dependencies = [
- "base64 0.21.5",
-]
-
 [[package]]
 name = "rusty-fork"
 version = "0.3.0"
@@ -4154,18 +4150,18 @@ checksum = "34b623917345a631dc9608d5194cc206b3fe6c3554cd1c75b937e55e285254af"
 
 [[package]]
 name = "serde"
-version = "1.0.193"
+version = "1.0.209"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "25dd9975e68d0cb5aa1120c288333fc98731bd1dd12f561e468ea4728c042b89"
+checksum = "99fce0ffe7310761ca6bf9faf5115afbc19688edd00171d81b1bb1b116c63e09"
 dependencies = [
  "serde_derive",
 ]
 
 [[package]]
 name = "serde_derive"
-version = "1.0.193"
+version = "1.0.209"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "43576ca501357b9b071ac53cdc7da8ef0cbd9493d8df094cd821777ea6e894d3"
+checksum = "a5831b979fd7b5439637af1752d535ff49f4860c0f341d1baeb6faf0f4242170"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -4174,13 +4170,14 @@ dependencies = [
 
 [[package]]
 name = "serde_json"
-version = "1.0.108"
+version = "1.0.127"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3d1c7e3eac408d115102c4c24ad393e0821bb3a5df4d506a80f85f7a742a526b"
+checksum = "8043c06d9f82bd7271361ed64f415fe5e12a77fdb52e573e7f06a516dea329ad"
 dependencies = [
  "itoa",
+ "memchr",
  "ryu",
- "serde 1.0.193",
+ "serde 1.0.209",
 ]
 
 [[package]]
@@ -4189,7 +4186,7 @@ version = "0.6.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "eb3622f419d1296904700073ea6cc23ad690adbd66f13ea683df73298736f0c1"
 dependencies = [
- "serde 1.0.193",
+ "serde 1.0.209",
 ]
 
 [[package]]
@@ -4201,7 +4198,7 @@ dependencies = [
  "form_urlencoded",
  "itoa",
  "ryu",
- "serde 1.0.193",
+ "serde 1.0.209",
 ]
 
 [[package]]
@@ -4212,7 +4209,7 @@ dependencies = [
  "cool_asserts",
  "nary_tree",
  "nom",
- "serde 1.0.193",
+ "serde 1.0.209",
  "thiserror",
  "typeshare",
  "uuid 0.8.2",
@@ -4415,7 +4412,7 @@ dependencies = [
  "once_cell",
  "paste",
  "percent-encoding 2.3.1",
- "serde 1.0.193",
+ "serde 1.0.209",
  "serde_json",
  "sha2",
  "smallvec",
@@ -4454,7 +4451,7 @@ dependencies = [
  "once_cell",
  "proc-macro2",
  "quote",
- "serde 1.0.193",
+ "serde 1.0.209",
  "serde_json",
  "sha2",
  "sqlx-core",
@@ -4497,7 +4494,7 @@ dependencies = [
  "percent-encoding 2.3.1",
  "rand 0.8.5",
  "rsa",
- "serde 1.0.193",
+ "serde 1.0.209",
  "sha1",
  "sha2",
  "smallvec",
@@ -4535,7 +4532,7 @@ dependencies = [
  "memchr",
  "once_cell",
  "rand 0.8.5",
- "serde 1.0.193",
+ "serde 1.0.209",
  "serde_json",
  "sha1",
  "sha2",
@@ -4563,7 +4560,7 @@ dependencies = [
  "libsqlite3-sys",
  "log 0.4.20",
  "percent-encoding 2.3.1",
- "serde 1.0.193",
+ "serde 1.0.209",
  "sqlx-core",
  "tracing",
  "url 2.5.0",
@@ -4755,7 +4752,7 @@ dependencies = [
  "deranged",
  "itoa",
  "powerfmt",
- "serde 1.0.193",
+ "serde 1.0.209",
  "time-core",
  "time-macros",
 ]
@@ -4809,28 +4806,27 @@ checksum = "1f3ccbac311fea05f86f61904b462b55fb3df8837a366dfc601a0161d0532f20"
 
 [[package]]
 name = "tokio"
-version = "1.35.1"
+version = "1.39.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c89b4efa943be685f629b149f53829423f8f5531ea21249408e8e2f8671ec104"
+checksum = "9babc99b9923bfa4804bd74722ff02c0381021eafa4db9949217e3be8e84fff5"
 dependencies = [
  "backtrace",
  "bytes",
  "libc",
  "mio",
- "num_cpus",
  "parking_lot",
  "pin-project-lite",
  "signal-hook-registry",
  "socket2 0.5.5",
  "tokio-macros",
- "windows-sys 0.48.0",
+ "windows-sys 0.52.0",
 ]
 
 [[package]]
 name = "tokio-macros"
-version = "2.2.0"
+version = "2.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5b8a1e28f2deaa14e508979454cb3a223b10b938b45af148bc0986de36f1923b"
+checksum = "693d596312e88961bc67d7f1f97af8a70227d9f90c31bba5806eec004978d752"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -4860,9 +4856,9 @@ dependencies = [
 
 [[package]]
 name = "tokio-tungstenite"
-version = "0.20.1"
+version = "0.21.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "212d5dcb2a1ce06d81107c3d0ffa3121fe974b73f068c8282cb1c32328113b6c"
+checksum = "c83b561d025642014097b66e6c1bb422783339e0909e4429cde4749d1990bc38"
 dependencies = [
  "futures-util",
  "log 0.4.20",
@@ -4890,7 +4886,7 @@ version = "0.8.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "185d8ab0dfbb35cf1399a6344d8484209c088f75f8f68230da55d48d95d43e3d"
 dependencies = [
- "serde 1.0.193",
+ "serde 1.0.209",
  "serde_spanned",
  "toml_datetime",
  "toml_edit 0.20.2",
@@ -4902,7 +4898,7 @@ version = "0.6.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "7cda73e2f1397b1262d6dfdcef8aafae14d1de7748d66822d3bfeeb6d03e5e4b"
 dependencies = [
- "serde 1.0.193",
+ "serde 1.0.209",
 ]
 
 [[package]]
@@ -4923,7 +4919,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "396e4d48bbb2b7554c944bde63101b5ae446cff6ec4a24227428f15eb72ef338"
 dependencies = [
  "indexmap",
- "serde 1.0.193",
+ "serde 1.0.209",
  "serde_spanned",
  "toml_datetime",
  "winnow",
@@ -4985,14 +4981,14 @@ checksum = "e421abadd41a4225275504ea4d6566923418b7f05506fbc9c0fe86ba7396114b"
 
 [[package]]
 name = "tungstenite"
-version = "0.20.1"
+version = "0.21.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9e3dac10fd62eaf6617d3a904ae222845979aec67c615d1c842b4002c7666fb9"
+checksum = "9ef1a641ea34f399a848dea702823bbecfb4c486f911735368f1f137cb8257e1"
 dependencies = [
  "byteorder",
  "bytes",
  "data-encoding",
- "http 0.2.11",
+ "http 1.0.0",
  "httparse",
  "log 0.4.20",
  "rand 0.8.5",
@@ -5039,7 +5035,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "f44d1a2f454cb35fbe05b218c410792697e76bd868f48d3a418f2cd1a7d527d6"
 dependencies = [
  "chrono",
- "serde 1.0.193",
+ "serde 1.0.209",
  "serde_json",
  "typeshare-annotation",
 ]
@@ -5207,7 +5203,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "bc5cf98d8186244414c848017f0e2676b3fcb46807f6668a97dfe67359a3c4b7"
 dependencies = [
  "getrandom",
- "serde 1.0.193",
+ "serde 1.0.209",
 ]
 
 [[package]]
@@ -5261,7 +5257,7 @@ version = "0.1.0"
 dependencies = [
  "authdb",
  "http 1.0.0",
- "serde 1.0.193",
+ "serde 1.0.209",
  "serde_json",
  "tokio",
  "warp",
@@ -5308,9 +5304,9 @@ dependencies = [
 
 [[package]]
 name = "warp"
-version = "0.3.6"
+version = "0.3.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c1e92e22e03ff1230c03a1a8ee37d2f89cd489e2e541b7550d6afad96faed169"
+checksum = "4378d202ff965b011c64817db11d5829506d3404edeadb61f190d111da3f231c"
 dependencies = [
  "bytes",
  "futures-channel",
@@ -5324,13 +5320,11 @@ dependencies = [
  "multer",
  "percent-encoding 2.3.1",
  "pin-project",
- "rustls-pemfile",
  "scoped-tls",
- "serde 1.0.193",
+ "serde 1.0.209",
  "serde_json",
  "serde_urlencoded",
  "tokio",
- "tokio-stream",
  "tokio-tungstenite",
  "tokio-util",
  "tower-service",
diff --git a/gm-dash/server/Cargo.toml b/gm-dash/server/Cargo.toml
index 53a078a..f07ad89 100644
--- a/gm-dash/server/Cargo.toml
+++ b/gm-dash/server/Cargo.toml
@@ -7,3 +7,7 @@ edition = "2021"
 
 [dependencies]
 pipewire = "0.8.0"
+serde = { version = "1.0.209", features = ["alloc", "derive"] }
+serde_json = "1.0.127"
+tokio = { version = "1.39.3", features = ["full"] }
+warp = "0.3.7"
diff --git a/gm-dash/server/src/main.rs b/gm-dash/server/src/main.rs
new file mode 100644
index 0000000..c80aec8
--- /dev/null
+++ b/gm-dash/server/src/main.rs
@@ -0,0 +1,109 @@
+use pipewire::{context::Context, main_loop::MainLoop};
+use std::{
+    net::{Ipv6Addr, SocketAddrV6},
+    sync::{Arc, RwLock},
+};
+use tokio::task::spawn_blocking;
+use warp::{serve, Filter};
+
+struct State_ {
+    device_list: Vec<String>,
+}
+
+#[derive(Clone)]
+struct State {
+    internal: Arc<RwLock<State_>>,
+}
+
+impl State {
+    fn new() -> State {
+        let internal = State_ {
+            device_list: vec![],
+        };
+        State {
+            internal: Arc::new(RwLock::new(internal)),
+        }
+    }
+
+    fn add_audio(&self, device: String) {
+        let mut st = self.internal.write().unwrap();
+        (*st).device_list.push(device);
+    }
+
+    fn audio_devices(&self) -> Vec<String> {
+        let st = self.internal.read().unwrap();
+        (*st).device_list.clone()
+    }
+}
+
+impl Default for State {
+    fn default() -> State {
+        State::new()
+    }
+}
+
+async fn server_main(state: State) {
+    let localhost: Ipv6Addr = "::1".parse().unwrap();
+    let server_addr = SocketAddrV6::new(localhost, 3001, 0, 0);
+
+    let root = warp::path!().map(|| "ok".to_string());
+    let list_output_devices = warp::path!("output_devices").map({
+        let state = state.clone();
+        move || {
+            let devices = state.audio_devices();
+            serde_json::to_string(&devices).unwrap()
+        }
+    });
+
+    let routes = root.or(list_output_devices);
+
+    serve(routes).run(server_addr).await;
+}
+
+fn handle_add_audio_device(state: State, props: &pipewire::spa::utils::dict::DictRef)
+{
+    if props.get("media.class") == Some("Audio/Sink") {
+        if let Some(device_name) = props.get("node.description") {
+            state.add_audio(device_name.to_owned());
+        }
+    }
+}
+
+fn pipewire_loop(state: State) -> Result<(), Box<dyn std::error::Error>> {
+    let mainloop = MainLoop::new(None)?;
+    let context = Context::new(&mainloop)?;
+    let core = context.connect(None)?;
+    let registry = core.get_registry()?;
+
+    let _listener = registry
+        .add_listener_local()
+        .global({
+            let state = state.clone();
+            move |global_data| {
+                if let Some(props) = global_data.props {
+                    handle_add_audio_device(state.clone(), props);
+                }
+            }
+        })
+        .register();
+
+    mainloop.run();
+
+    Ok(())
+}
+
+fn pipewire_main(state: State) {
+    pipewire_loop(state).expect("pipewire should not error");
+}
+
+#[tokio::main]
+async fn main() {
+    let state = State::default();
+
+    spawn_blocking({
+        let state = state.clone();
+        move || pipewire_main(state)
+    });
+
+    server_main(state.clone()).await;
+}
-- 
2.44.1