commit 7ac75e2a28697275525969193d4ad73d3e7da9d7
Author: Erwin Boskma <erwin@datarift.nl>
Date:   Wed Nov 24 13:43:20 2021 +0100

    Initial commit

diff --git a/.envrc b/.envrc
new file mode 100644
index 0000000..3550a30
--- /dev/null
+++ b/.envrc
@@ -0,0 +1 @@
+use flake
diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..126ef20
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,7 @@
+/.direnv
+/result
+
+
+# Added by cargo
+
+/target
diff --git a/Cargo.lock b/Cargo.lock
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index 0000000..a6ed4d1
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+dependencies = [
+ "toml",
+]
+
+[[package]]
+name = "proc-macro-crate"
+version = "1.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1ebace6889caf889b4d3f76becee12e90353f2b8c7d875534a71e5742f8f6f83"
+dependencies = [
+ "thiserror",
+ "toml",
+]
+
+[[package]]
+name = "proc-macro2"
+version = "1.0.32"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ba508cc11742c0dc5c1659771673afbab7a0efab23aa17e854cbab0837ed0b43"
+dependencies = [
+ "unicode-xid",
+]
+
+[[package]]
+name = "pulsectl-rs"
+version = "0.3.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "06a988bceed1981b2c5fc4a3da0e4e073fdaff8e6bd022b089f54bc573dc3cfc"
+dependencies = [
+ "libpulse-binding",
+]
+
+[[package]]
+name = "quote"
+version = "1.0.10"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "38bc8cc6a5f2e3655e0899c1b848643b2562f853f114bfec7be120678e3ace05"
+dependencies = [
+ "proc-macro2",
+]
+
+[[package]]
+name = "redox_syscall"
+version = "0.1.57"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "41cc0f7e4d5d4544e8861606a285bb08d3e70712ccc7d2b84d7c0ccfaf4b05ce"
+
+[[package]]
+name = "redox_users"
+version = "0.3.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "de0737333e7a9502c789a36d7c7fa6092a49895d4faa31ca5df163857ded2e9d"
+dependencies = [
+ "getrandom",
+ "redox_syscall",
+ "rust-argon2",
+]
+
+[[package]]
+name = "rust-argon2"
+version = "0.8.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4b18820d944b33caa75a71378964ac46f58517c92b6ae5f762636247c09e78fb"
+dependencies = [
+ "base64",
+ "blake2b_simd",
+ "constant_time_eq",
+ "crossbeam-utils",
+]
+
+[[package]]
+name = "scoped-tls"
+version = "1.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ea6a9290e3c9cf0f18145ef7ffa62d68ee0bf5fcd651017e586dc7fd5da448c2"
+
+[[package]]
+name = "serde"
+version = "1.0.130"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f12d06de37cf59146fbdecab66aa99f9fe4f78722e3607577a5375d66bd0c913"
+dependencies = [
+ "serde_derive",
+]
+
+[[package]]
+name = "serde_derive"
+version = "1.0.130"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d7bc1a1ab1961464eae040d96713baa5a724a8152c1222492465b54322ec508b"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn",
+]
+
+[[package]]
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+version = "0.1.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "98d0516900518c29efa217c298fa1f4e6c6ffc85ae29fd7f4ee48f176e1a9ed5"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn",
+]
+
+[[package]]
+name = "slab"
+version = "0.4.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
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+
+[[package]]
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+checksum = "5dc90fe6c7be1a323296982db1836d1ea9e47b6839496dde9a541bc496df3516"
+dependencies = [
+ "libc",
+ "winapi",
+]
+
+[[package]]
+name = "static_assertions"
+version = "1.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a2eb9349b6444b326872e140eb1cf5e7c522154d69e7a0ffb0fb81c06b37543f"
+
+[[package]]
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+version = "0.22.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f7ac893c7d471c8a21f31cfe213ec4f6d9afeed25537c772e08ef3f005f8729e"
+dependencies = [
+ "strum_macros",
+]
+
+[[package]]
+name = "strum_macros"
+version = "0.22.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "339f799d8b549e3744c7ac7feb216383e4005d94bdb22561b3ab8f3b808ae9fb"
+dependencies = [
+ "heck",
+ "proc-macro2",
+ "quote",
+ "syn",
+]
+
+[[package]]
+name = "syn"
+version = "1.0.81"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f2afee18b8beb5a596ecb4a2dce128c719b4ba399d34126b9e4396e3f9860966"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "unicode-xid",
+]
+
+[[package]]
+name = "thiserror"
+version = "1.0.30"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "854babe52e4df1653706b98fcfc05843010039b406875930a70e4d9644e5c417"
+dependencies = [
+ "thiserror-impl",
+]
+
+[[package]]
+name = "thiserror-impl"
+version = "1.0.30"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "aa32fd3f627f367fe16f893e2597ae3c05020f8bba2666a4e6ea73d377e5714b"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn",
+]
+
+[[package]]
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+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6db9e6914ab8b1ae1c260a4ae7a49b6c5611b40328a735b21862567685e73255"
+dependencies = [
+ "libc",
+ "wasi 0.10.0+wasi-snapshot-preview1",
+ "winapi",
+]
+
+[[package]]
+name = "toml"
+version = "0.5.8"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a31142970826733df8241ef35dc040ef98c679ab14d7c3e54d827099b3acecaa"
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+ "serde",
+]
+
+[[package]]
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+version = "1.8.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8895849a949e7845e06bd6dc1aa51731a103c42707010a5b591c0038fb73385b"
+
+[[package]]
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+
+[[package]]
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+
+[[package]]
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+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9d5b2c62b4012a3e1eca5a7e077d13b3bf498c4073e33ccd58626607748ceeca"
+
+[[package]]
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+checksum = "cccddf32554fecc6acb585f82a32a72e28b48f8c4c1883ddfeeeaa96f7d8e519"
+
+[[package]]
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+checksum = "1a143597ca7c7793eff794def352d41792a93c481eb1042423ff7ff72ba2c31f"
+
+[[package]]
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+checksum = "d743fdedc5c64377b5fc2bc036b01c7fd642205a0d96356034ae3404d49eb7fb"
+dependencies = [
+ "cc",
+]
+
+[[package]]
+name = "winapi"
+version = "0.3.9"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5c839a674fcd7a98952e593242ea400abe93992746761e38641405d28b00f419"
+dependencies = [
+ "winapi-i686-pc-windows-gnu",
+ "winapi-x86_64-pc-windows-gnu",
+]
+
+[[package]]
+name = "winapi-i686-pc-windows-gnu"
+version = "0.4.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ac3b87c63620426dd9b991e5ce0329eff545bccbbb34f3be09ff6fb6ab51b7b6"
+
+[[package]]
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+checksum = "712e227841d057c1ee1cd2fb22fa7e5a5461ae8e48fa2ca79ec42cfc1931183f"
+
+[[package]]
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+version = "0.24.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a9f39345ae0c8ab072c0ac7fe8a8b411636aa34f89be19ddd0d9226544f13944"
+dependencies = [
+ "windows_i686_gnu",
+ "windows_i686_msvc",
+ "windows_x86_64_gnu",
+ "windows_x86_64_msvc",
+]
+
+[[package]]
+name = "windows_i686_gnu"
+version = "0.24.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c0866510a3eca9aed73a077490bbbf03e5eaac4e1fd70849d89539e5830501fd"
+
+[[package]]
+name = "windows_i686_msvc"
+version = "0.24.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "bf0ffed56b7e9369a29078d2ab3aaeceea48eb58999d2cff3aa2494a275b95c6"
+
+[[package]]
+name = "windows_x86_64_gnu"
+version = "0.24.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "384a173630588044205a2993b6864a2f56e5a8c1e7668c07b93ec18cf4888dc4"
+
+[[package]]
+name = "windows_x86_64_msvc"
+version = "0.24.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9bd8f062d8ca5446358159d79a90be12c543b3a965c847c8f3eedf14b321d399"
+
+[[package]]
+name = "winrt-notification"
+version = "0.5.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "eda101fb8e034a25f3d50a0714d7ca4f234a4fc7bc57427f6d81040db0ccbe6a"
+dependencies = [
+ "strum",
+ "windows",
+ "xml-rs",
+]
+
+[[package]]
+name = "xml-rs"
+version = "0.8.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d2d7d3948613f75c98fd9328cfdcc45acc4d360655289d0a7d4ec931392200a3"
+
+[[package]]
+name = "zbus"
+version = "1.9.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2326acc379a3ac4e34b794089f5bdb17086bf29a5fdf619b7b4cc772dc2e9dad"
+dependencies = [
+ "async-io",
+ "byteorder",
+ "derivative",
+ "enumflags2",
+ "fastrand",
+ "futures",
+ "nb-connect",
+ "nix",
+ "once_cell",
+ "polling",
+ "scoped-tls",
+ "serde",
+ "serde_repr",
+ "zbus_macros",
+ "zvariant",
+]
+
+[[package]]
+name = "zbus_macros"
+version = "1.9.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a482c56029e48681b89b92b5db3c446db0915e8dd1052c0328a574eda38d5f93"
+dependencies = [
+ "proc-macro-crate 0.1.5",
+ "proc-macro2",
+ "quote",
+ "syn",
+]
+
+[[package]]
+name = "zvariant"
+version = "2.10.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a68c7b55f2074489b7e8e07d2d0a6ee6b4f233867a653c664d8020ba53692525"
+dependencies = [
+ "byteorder",
+ "enumflags2",
+ "libc",
+ "serde",
+ "static_assertions",
+ "zvariant_derive",
+]
+
+[[package]]
+name = "zvariant_derive"
+version = "2.10.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e4ca5e22593eb4212382d60d26350065bf2a02c34b85bc850474a74b589a3de9"
+dependencies = [
+ "proc-macro-crate 1.1.0",
+ "proc-macro2",
+ "quote",
+ "syn",
+]
diff --git a/Cargo.toml b/Cargo.toml
new file mode 100644
index 0000000..c775583
--- /dev/null
+++ b/Cargo.toml
@@ -0,0 +1,12 @@
+[package]
+name = "pamedia-rs"
+version = "0.1.0"
+edition = "2021"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]
+argh = "0.1.6"
+notify-rust = "4.5.5"
+pulse = { version = "2.25.0", package = "libpulse-binding" }
+pulsectl-rs = "0.3.2"
diff --git a/default.nix b/default.nix
new file mode 100644
index 0000000..39bacff
--- /dev/null
+++ b/default.nix
@@ -0,0 +1,7 @@
+(import (
+  fetchTarball {
+    url = "https://github.com/edolstra/flake-compat/archive/99f1c2157fba4bfe6211a321fd0ee43199025dbf.tar.gz";
+    sha256 = "0x2jn3vrawwv9xp15674wjz9pixwjyj3j771izayl962zziivbx2"; }
+) {
+  src =  ./.;
+}).defaultNix
diff --git a/flake.lock b/flake.lock
new file mode 100644
index 0000000..45b3642
--- /dev/null
+++ b/flake.lock
@@ -0,0 +1,65 @@
+{
+  "nodes": {
+    "naersk": {
+      "inputs": {
+        "nixpkgs": [
+          "nixpkgs"
+        ]
+      },
+      "locked": {
+        "lastModified": 1637576998,
+        "narHash": "sha256-bGQ66hh4Dl78T9bd1pqdp6fprHMCkrkeKqED6sDUYqo=",
+        "owner": "nmattia",
+        "repo": "naersk",
+        "rev": "b043f2447a4a761529254f4983cacd94b034a122",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nmattia",
+        "ref": "master",
+        "repo": "naersk",
+        "type": "github"
+      }
+    },
+    "nixpkgs": {
+      "locked": {
+        "lastModified": 1637593665,
+        "narHash": "sha256-R7jKS7A+0tZS8qD5pBr1UFcMiTdsw5bfoxgXbYsoWhM=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "98747f27ecfee70c8c97b195cbb94df80a074dda",
+        "type": "github"
+      },
+      "original": {
+        "owner": "NixOS",
+        "ref": "nixpkgs-unstable",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
+    "root": {
+      "inputs": {
+        "naersk": "naersk",
+        "nixpkgs": "nixpkgs",
+        "utils": "utils"
+      }
+    },
+    "utils": {
+      "locked": {
+        "lastModified": 1637014545,
+        "narHash": "sha256-26IZAc5yzlD9FlDT54io1oqG/bBoyka+FJk5guaX4x4=",
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "rev": "bba5dcc8e0b20ab664967ad83d24d64cb64ec4f4",
+        "type": "github"
+      },
+      "original": {
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "type": "github"
+      }
+    }
+  },
+  "root": "root",
+  "version": 7
+}
diff --git a/flake.nix b/flake.nix
new file mode 100644
index 0000000..1073ba7
--- /dev/null
+++ b/flake.nix
@@ -0,0 +1,42 @@
+{
+
+  inputs = {
+    nixpkgs.url = "github:NixOS/nixpkgs/nixpkgs-unstable";
+    utils.url = "github:numtide/flake-utils";
+    naersk = {
+      url = "github:nmattia/naersk/master";
+      inputs.nixpkgs.follows = "nixpkgs";
+    };
+  };
+
+  outputs = { self, nixpkgs, utils, naersk }:
+    utils.lib.eachDefaultSystem (system:
+      let
+        pkgs = import nixpkgs { inherit system; };
+        naersk-lib = pkgs.callPackage naersk { };
+      in
+      rec {
+
+        defaultPackage = naersk-lib.buildPackage {
+          root = ./.;
+          buildInputs = with pkgs; [ libpulseaudio ];
+          nativeBuildInputs = with pkgs; [ pkg-config ];
+        };
+
+        defaultApp = utils.lib.mkApp {
+          drv = self.defaultPackage."${system}";
+        };
+
+        overlays = final: prev: {
+          pamedia = defaultPackage;
+        };
+
+        devShell = with pkgs; mkShell {
+          buildInputs = [ cargo rustc rustfmt pre-commit rustPackages.clippy cargo-edit cargo-feature cargo-outdated ] ++ defaultPackage.buildInputs;
+          nativeBuildInputs = [ ] ++ defaultPackage.nativeBuildInputs;
+          RUST_SRC_PATH = rustPlatform.rustLibSrc;
+        };
+
+      });
+
+}
diff --git a/shell.nix b/shell.nix
new file mode 100644
index 0000000..77db547
--- /dev/null
+++ b/shell.nix
@@ -0,0 +1,7 @@
+(import (
+  fetchTarball {
+    url = "https://github.com/edolstra/flake-compat/archive/99f1c2157fba4bfe6211a321fd0ee43199025dbf.tar.gz";
+    sha256 = "0x2jn3vrawwv9xp15674wjz9pixwjyj3j771izayl962zziivbx2"; }
+) {
+  src =  ./.;
+}).shellNix
diff --git a/src/main.rs b/src/main.rs
new file mode 100644
index 0000000..1fd12ca
--- /dev/null
+++ b/src/main.rs
@@ -0,0 +1,130 @@
+use std::error::Error;
+
+use argh::FromArgs;
+use notify_rust::{Hint, Notification};
+use pulse::volume::Volume;
+use pulsectl::controllers::{DeviceControl, SinkController};
+
+/// Control the volume of the default sink
+#[derive(Clone, Copy, Debug, FromArgs)]
+struct Args {
+    #[argh(subcommand)]
+    command: Subcommand,
+}
+
+#[derive(Debug, Clone, Copy, PartialEq, FromArgs)]
+#[argh(subcommand)]
+enum Subcommand {
+    Up(UpArgs),
+    Down(DownArgs),
+    Mute(MuteArgs),
+    Get(GetArgs),
+    Set(SetArgs),
+}
+
+/// Increase the volume
+#[derive(Debug, Clone, Copy, PartialEq, FromArgs)]
+#[argh(subcommand, name = "up")]
+struct UpArgs {}
+
+/// Decrease the volume
+#[derive(Debug, Clone, Copy, PartialEq, FromArgs)]
+#[argh(subcommand, name = "down")]
+struct DownArgs {}
+
+/// Mute the sink
+#[derive(Debug, Clone, Copy, PartialEq, FromArgs)]
+#[argh(subcommand, name = "mute")]
+struct MuteArgs {}
+
+/// Get the current volume
+#[derive(Debug, Clone, Copy, PartialEq, FromArgs)]
+#[argh(subcommand, name = "get")]
+struct GetArgs {}
+
+/// Set the volume
+#[derive(Debug, Clone, Copy, PartialEq, FromArgs)]
+#[argh(subcommand, name = "set")]
+struct SetArgs {
+    #[argh(positional)]
+    volume: u8,
+}
+
+fn main() -> Result<(), Box<dyn Error>> {
+    let args: Args = argh::from_env();
+
+    let mut handler = SinkController::create()?;
+
+    let default_device = handler.get_default_device()?;
+    let muted = default_device.mute;
+
+    match args.command {
+        Subcommand::Up(_) => {
+            handler.increase_device_volume_by_percent(default_device.index, 0.05);
+            notify_volume(default_device.volume.avg().0 as i32);
+        }
+        Subcommand::Down(_) => {
+            handler.decrease_device_volume_by_percent(default_device.index, 0.05);
+            notify_volume(default_device.volume.avg().0 as i32);
+        }
+        Subcommand::Mute(_) => {
+            handler.set_device_mute_by_index(default_device.index, !muted);
+            notify_muted(default_device.volume.avg().0 as i32, default_device.mute);
+        }
+        Subcommand::Get(_) => println!("Volume: {}", default_device.volume.avg()),
+        Subcommand::Set(SetArgs { volume }) => {
+            let mut current_volume = default_device.volume;
+            let new_volume = Volume(volume_from_percent(volume) as u32);
+            let volumes = current_volume.set(2, new_volume);
+            handler.set_device_volume_by_index(default_device.index, volumes);
+            notify_volume(default_device.volume.avg().0 as i32);
+        }
+    }
+
+    Ok(())
+}
+
+fn icon_name(volume: i32) -> String {
+    let name = match volume {
+        x if x <= 0 => "muted",
+        x if x <= 30 => "low",
+        x if x <= 70 => "medium",
+        _ => "high",
+    };
+
+    format!("audio-volume-{}-symbolic", name)
+}
+
+fn notify_volume(new_volume: i32) {
+    Notification::new()
+        .summary("Volume")
+        .icon(icon_name(new_volume).as_str())
+        .appname("pamedia")
+        .hint(Hint::Custom(
+            "x-canonical-private-synchronous".into(),
+            "audio".into(),
+        ))
+        .hint(Hint::CustomInt("value".into(), new_volume))
+        .show()
+        .expect("error showing notification");
+}
+
+fn notify_muted(volume: i32, muted: bool) {
+    let icon = icon_name(if muted { 0 } else { volume });
+
+    Notification::new()
+        .summary("Volume")
+        .icon(icon.as_str())
+        .appname("pamedia")
+        .hint(Hint::Custom(
+            "x-canonical-private-synchronous".into(),
+            "audio".into(),
+        ))
+        .hint(Hint::CustomInt("value".into(), volume))
+        .show()
+        .expect("error showing notification");
+}
+
+fn volume_from_percent(volume: u8) -> f64 {
+    (volume as f64) * (f64::from(pulse::volume::Volume::NORMAL.0) / 100.0)
+}