feat: Add persistent configuration and enumerate PipeWire audio devices

Cargo.lock

@@ -1215,6 +1215,27 @@ dependencies = [
  "crypto-common 0.2.2",
 ]
 
+[[package]]
+name = "dirs"
+version = "6.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c3e8aa94d75141228480295a7d0e7feb620b1a5ad9f12bc40be62411e38cce4e"
+dependencies = [
+ "dirs-sys",
+]
+
+[[package]]
+name = "dirs-sys"
+version = "0.5.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e01a3366d27ee9890022452ee61b2b63a67e6f13f58900b651ff5665f0bb1fab"
+dependencies = [
+ "libc",
+ "option-ext",
+ "redox_users",
+ "windows-sys 0.61.2",
+]
+
 [[package]]
 name = "dispatch"
 version = "0.2.0"
@@ -4049,6 +4070,12 @@ version = "0.2.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "7c87def4c32ab89d880effc9e097653c8da5d6ef28e6b539d313baaacfbafcbe"
 
+[[package]]
+name = "option-ext"
+version = "0.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "04744f49eae99ab78e0d5c0b603ab218f515ea8cfe5a456d7629ad883a3b6e7d"
+
 [[package]]
 name = "opus"
 version = "0.3.1"
@@ -4149,6 +4176,7 @@ dependencies = [
  "async-trait",
  "base64",
  "bytes",
+ "dirs",
  "iced",
  "iroh",
  "iroh-gossip",
@@ -4581,6 +4609,17 @@ dependencies = [
  "bitflags 2.11.1",
 ]
 
+[[package]]
+name = "redox_users"
+version = "0.5.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a4e608c6638b9c18977b00b475ac1f28d14e84b27d8d42f70e0bf1e3dec127ac"
+dependencies = [
+ "getrandom 0.2.17",
+ "libredox",
+ "thiserror 2.0.18",
+]
+
 [[package]]
 name = "regex"
 version = "1.12.3"

Cargo.toml

@@ -20,6 +20,7 @@ anyhow = "1.0.102"
 async-trait = "0.1.89"
 base64 = "0.22.1"
 bytes = "1.11.1"
+dirs = "6.0.0"
 iced = "0.14.0"
 iroh = "1.0.0-rc.0"
 iroh-gossip = "0.99.0"

src/app/mod.rs

@@ -1,8 +1,10 @@
 use crate::core::{CoreController, messages::{CoreCommand, UiEvent}};
 use crate::network::PeerState;
+use crate::audio::pw_cli::{AudioDevice, enumerate_audio_devices};
+use crate::config::AppConfig;
 
 use iced::widget::{
-    container, column, row, text, button, text_input, scrollable, slider, checkbox, Column, Space,
+    container, column, row, text, button, text_input, scrollable, slider, checkbox, pick_list, Column, Space,
 };
 use iced::{
     Color, Background, Border, Element, Subscription, Task, Theme, Event, keyboard,
@@ -35,8 +37,8 @@ pub enum AppMessage {
     TogglePtt(bool),
     StartSettingHotkey,
     PeerVolumeChanged(EndpointId, f32),
-    InputDeviceChanged(String),
+    InputDeviceSelected(AudioDevice),
-    OutputDeviceChanged(String),
+    OutputDeviceSelected(AudioDevice),
     EventOccurred(Event),
     NavigateToSettings,
     NavigateBack,
@@ -68,8 +70,11 @@ pub struct AppState {
     ptt_active: bool,
     ptt_hotkey: keyboard::Key,
     is_setting_hotkey: bool,
-    input_device: String,
+    input_devices: Vec<AudioDevice>,
-    output_device: String,
+    output_devices: Vec<AudioDevice>,
+    selected_input: Option<AudioDevice>,
+    selected_output: Option<AudioDevice>,
+    config: AppConfig,
     peers: HashMap<EndpointId, PeerState>,
     peer_volumes: HashMap<EndpointId, f32>,
     audio_levels: HashMap<EndpointId, f32>,
@@ -83,6 +88,15 @@ impl Default for AppState {
         let controller = Arc::new(CoreController::new(ui_tx));
         let _ = UI_RX.set(Mutex::new(Some(ui_rx)));
 
+        let config = AppConfig::load();
+        let all_devices = enumerate_audio_devices();
+        let input_devices: Vec<_> = all_devices.iter().filter(|d| d.is_input).cloned().collect();
+        let output_devices: Vec<_> = all_devices.iter().filter(|d| !d.is_input).cloned().collect();
+
+        let selected_input = input_devices.iter().find(|d| d.name == config.input_device).cloned();
+        let selected_output = output_devices.iter().find(|d| d.name == config.output_device).cloned();
+
+
         Self {
             name: "Peer".to_string(),
             ticket_input: "".to_string(),
@@ -95,8 +109,11 @@ impl Default for AppState {
             ptt_active: false,
             ptt_hotkey: keyboard::Key::Named(keyboard::key::Named::Space),
             is_setting_hotkey: false,
-            input_device: "".to_string(),
+            input_devices,
-            output_device: "".to_string(),
+            output_devices,
+            selected_input,
+            selected_output,
+            config,
             peers: HashMap::new(),
             peer_volumes: HashMap::new(),
             audio_levels: HashMap::new(),
@@ -139,21 +156,27 @@ fn update(state: &mut AppState, message: AppMessage) -> Task<AppMessage> {
             state.ticket_input = val;
         }
         AppMessage::JoinPressed => {
-            state.status_message = "Connecting to room...".to_string();
+            let input_device = state.selected_input.as_ref().map(|d| d.name.clone());
+            let output_device = state.selected_output.as_ref().map(|d| d.name.clone());
+            if !state.ticket_input.is_empty() {
+                state.status_message = "Joining room...".to_string();
                 let _ = state.controller.send(CoreCommand::Join {
                     name: state.name.clone(),
                     ticket: state.ticket_input.clone(),
-                input_device: if state.input_device.is_empty() { None } else { Some(state.input_device.clone()) },
+                    input_device,
-                output_device: if state.output_device.is_empty() { None } else { Some(state.output_device.clone()) },
+                    output_device,
                 });
             }
+        }
         AppMessage::CreatePressed => {
+            let input_device = state.selected_input.as_ref().map(|d| d.name.clone());
+            let output_device = state.selected_output.as_ref().map(|d| d.name.clone());
             state.status_message = "Creating room...".to_string();
             let _ = state.controller.send(CoreCommand::Join {
                 name: state.name.clone(),
-                ticket: "".to_string(),
+                ticket: "create".to_string(),
-                input_device: if state.input_device.is_empty() { None } else { Some(state.input_device.clone()) },
+                input_device,
-                output_device: if state.output_device.is_empty() { None } else { Some(state.output_device.clone()) },
+                output_device,
             });
         }
         AppMessage::LeavePressed => {
@@ -218,11 +241,15 @@ fn update(state: &mut AppState, message: AppMessage) -> Task<AppMessage> {
             state.peer_volumes.insert(id, vol);
             let _ = state.controller.send(CoreCommand::SetPeerVolume(id, vol));
         }
-        AppMessage::InputDeviceChanged(val) => {
+        AppMessage::InputDeviceSelected(dev) => {
-            state.input_device = val;
+            state.config.input_device = dev.name.clone();
+            state.config.save();
+            state.selected_input = Some(dev);
         }
-        AppMessage::OutputDeviceChanged(val) => {
+        AppMessage::OutputDeviceSelected(dev) => {
-            state.output_device = val;
+            state.config.output_device = dev.name.clone();
+            state.config.save();
+            state.selected_output = Some(dev);
         }
         AppMessage::EventOccurred(Event::Keyboard(keyboard::Event::KeyPressed { key, .. })) => {
             if state.is_setting_hotkey {
@@ -337,11 +364,25 @@ fn view(state: &AppState) -> Element<'_, AppMessage> {
             column![
                 text("Settings").size(24).color(color_blue),
                 vertical_space(20.0),
-                text("Device Settings (Optional Node Target IDs)").size(14).color(color_subtext),
+                text("Device Settings").size(14).color(color_subtext),
                 row![
-                    text_input("Input Target", &state.input_device).on_input(AppMessage::InputDeviceChanged).style(t_style.clone()).padding(8),
+                    column![
+                        text("Input Target").size(12).color(color_subtext),
+                        pick_list(
+                            &state.input_devices[..],
+                            state.selected_input.clone(),
+                            AppMessage::InputDeviceSelected,
+                        ).width(iced::Length::Fixed(160.0))
+                    ].spacing(4),
                     horizontal_space(),
-                    text_input("Output Target", &state.output_device).on_input(AppMessage::OutputDeviceChanged).style(t_style.clone()).padding(8),
+                    column![
+                        text("Output Target").size(12).color(color_subtext),
+                        pick_list(
+                            &state.output_devices[..],
+                            state.selected_output.clone(),
+                            AppMessage::OutputDeviceSelected,
+                        ).width(iced::Length::Fixed(160.0))
+                    ].spacing(4),
                 ].spacing(10),
                 vertical_space(30.0),
                 button(

src/audio/mod.rs

@@ -29,3 +29,4 @@ pub trait AudioBackend: Send + Sync {
 }
 
 pub mod pipewire_impl;
+pub mod pw_cli;

src/audio/pw_cli.rs

@@ -0,0 +1,65 @@
+use std::process::Command;
+
+#[derive(Debug, Clone, PartialEq, Eq)]
+pub struct AudioDevice {
+    pub name: String,
+    pub description: String,
+    pub is_input: bool,
+}
+
+impl std::fmt::Display for AudioDevice {
+    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
+        write!(f, "{}", self.description)
+    }
+}
+
+pub fn enumerate_audio_devices() -> Vec<AudioDevice> {
+    let mut devices = Vec::new();
+    let output = Command::new("pw-cli")
+        .arg("list-objects")
+        .arg("Node")
+        .output();
+        
+    if let Ok(out) = output {
+        let text = String::from_utf8_lossy(&out.stdout);
+        let mut current_name = String::new();
+        let mut current_desc = String::new();
+        let mut current_class = String::new();
+
+        for line in text.lines() {
+            let line = line.trim();
+            if line.starts_with("id ") {
+                // Save previous if valid
+                if !current_name.is_empty() && current_class.starts_with("Audio/") {
+                    devices.push(AudioDevice {
+                        name: current_name.clone(),
+                        description: if current_desc.is_empty() { current_name.clone() } else { current_desc.clone() },
+                        is_input: current_class == "Audio/Source",
+                    });
+                }
+                current_name.clear();
+                current_desc.clear();
+                current_class.clear();
+            } else if let Some(val) = line.strip_prefix("node.name = \"") {
+                current_name = val.trim_end_matches('"').to_string();
+            } else if let Some(val) = line.strip_prefix("node.description = \"") {
+                current_desc = val.trim_end_matches('"').to_string();
+            } else if let Some(val) = line.strip_prefix("media.class = \"") {
+                current_class = val.trim_end_matches('"').to_string();
+            }
+        }
+        
+        // Final one
+        if !current_name.is_empty() && current_class.starts_with("Audio/") {
+            devices.push(AudioDevice {
+                name: current_name.clone(),
+                description: if current_desc.is_empty() { current_name } else { current_desc },
+                is_input: current_class == "Audio/Source",
+            });
+        }
+    }
+    
+    // Sort devices for consistent display
+    devices.sort_by(|a, b| a.description.cmp(&b.description));
+    devices
+}

src/config.rs

@@ -0,0 +1,41 @@
+use serde::{Deserialize, Serialize};
+use std::fs;
+use std::path::PathBuf;
+
+#[derive(Debug, Clone, Serialize, Deserialize, Default)]
+pub struct AppConfig {
+    pub input_device: String,
+    pub output_device: String,
+}
+
+impl AppConfig {
+    fn config_path() -> Option<PathBuf> {
+        dirs::config_dir().map(|mut p| {
+            p.push("peerspeak");
+            p.push("config.json");
+            p
+        })
+    }
+
+    pub fn load() -> Self {
+        if let Some(path) = Self::config_path() {
+            if let Ok(contents) = fs::read_to_string(&path) {
+                if let Ok(config) = serde_json::from_str(&contents) {
+                    return config;
+                }
+            }
+        }
+        Self::default()
+    }
+
+    pub fn save(&self) {
+        if let Some(path) = Self::config_path() {
+            if let Some(dir) = path.parent() {
+                let _ = fs::create_dir_all(dir);
+            }
+            if let Ok(json) = serde_json::to_string_pretty(self) {
+                let _ = fs::write(path, json);
+            }
+        }
+    }
+}

src/lib.rs

@@ -3,6 +3,7 @@ pub mod codec;
 pub mod network;
 pub mod core;
 pub mod app;
+pub mod config;
 
 pub fn log_msg(msg: &str) {
     if let Ok(mut file) = std::fs::OpenOptions::new()

update_app.py

@@ -0,0 +1,139 @@
+import re
+
+with open("src/app/mod.rs", "r") as f:
+    text = f.read()
+
+# 1. Imports
+text = text.replace(
+    "use crate::core::{CoreController, messages::{CoreCommand, UiEvent}};\nuse crate::network::PeerState;",
+    "use crate::core::{CoreController, messages::{CoreCommand, UiEvent}};\nuse crate::network::PeerState;\nuse crate::audio::pw_cli::{AudioDevice, enumerate_audio_devices};\nuse crate::config::AppConfig;"
+)
+
+# 2. Iced imports
+text = text.replace(
+    "container, column, row, text, button, text_input, scrollable, slider, checkbox, Column, Space,",
+    "container, column, row, text, button, text_input, scrollable, slider, checkbox, pick_list, Column, Space,"
+)
+
+# 3. AppMessage
+text = text.replace(
+    "InputDeviceChanged(String),\n    OutputDeviceChanged(String),",
+    "InputDeviceSelected(AudioDevice),\n    OutputDeviceSelected(AudioDevice),"
+)
+
+# 4. AppState
+text = text.replace(
+    "input_device: String,\n    output_device: String,",
+    "input_devices: Vec<AudioDevice>,\n    output_devices: Vec<AudioDevice>,\n    selected_input: Option<AudioDevice>,\n    selected_output: Option<AudioDevice>,\n    config: AppConfig,"
+)
+
+# 5. AppState::default()
+default_start = text.find("let _ = UI_RX.set(Mutex::new(Some(ui_rx)));")
+if default_start != -1:
+    default_end = default_start + len("let _ = UI_RX.set(Mutex::new(Some(ui_rx)));")
+    insertion = """
+        let config = AppConfig::load();
+        let all_devices = enumerate_audio_devices();
+        let input_devices: Vec<_> = all_devices.iter().filter(|d| d.is_input).cloned().collect();
+        let output_devices: Vec<_> = all_devices.iter().filter(|d| !d.is_input).cloned().collect();
+
+        let selected_input = input_devices.iter().find(|d| d.name == config.input_device).cloned();
+        let selected_output = output_devices.iter().find(|d| d.name == config.output_device).cloned();
+"""
+    text = text[:default_end] + "\n" + insertion + text[default_end:]
+
+text = text.replace(
+    "input_device: \"\".to_string(),\n            output_device: \"\".to_string(),",
+    "input_devices,\n            output_devices,\n            selected_input,\n            selected_output,\n            config,"
+)
+
+# 6. JoinPressed / CreatePressed
+join_old = """        AppMessage::JoinPressed => {
+            state.status_message = "Connecting to room...".to_string();
+            let _ = state.controller.send(CoreCommand::Join {
+                name: state.name.clone(),
+                ticket: state.ticket_input.clone(),
+                input_device: if state.input_device.is_empty() { None } else { Some(state.input_device.clone()) },
+                output_device: if state.output_device.is_empty() { None } else { Some(state.output_device.clone()) },
+            });
+        }"""
+join_new = """        AppMessage::JoinPressed => {
+            let input_device = state.selected_input.as_ref().map(|d| d.name.clone());
+            let output_device = state.selected_output.as_ref().map(|d| d.name.clone());
+            if !state.ticket_input.is_empty() {
+                state.status_message = "Joining room...".to_string();
+                let _ = state.controller.send(CoreCommand::Join {
+                    name: state.name.clone(),
+                    ticket: state.ticket_input.clone(),
+                    input_device,
+                    output_device,
+                });
+            }
+        }"""
+text = text.replace(join_old, join_new)
+
+create_old = """        AppMessage::CreatePressed => {
+            state.status_message = "Creating room...".to_string();
+            let _ = state.controller.send(CoreCommand::Join {
+                name: state.name.clone(),
+                ticket: "".to_string(),
+                input_device: if state.input_device.is_empty() { None } else { Some(state.input_device.clone()) },
+                output_device: if state.output_device.is_empty() { None } else { Some(state.output_device.clone()) },
+            });
+        }"""
+create_new = """        AppMessage::CreatePressed => {
+            let input_device = state.selected_input.as_ref().map(|d| d.name.clone());
+            let output_device = state.selected_output.as_ref().map(|d| d.name.clone());
+            state.status_message = "Creating room...".to_string();
+            let _ = state.controller.send(CoreCommand::Join {
+                name: state.name.clone(),
+                ticket: "create".to_string(),
+                input_device,
+                output_device,
+            });
+        }"""
+text = text.replace(create_old, create_new)
+
+# 7. DeviceChanged -> DeviceSelected
+text = text.replace(
+    "AppMessage::InputDeviceChanged(val) => {\n            state.input_device = val;\n        }",
+    "AppMessage::InputDeviceSelected(dev) => {\n            state.config.input_device = dev.name.clone();\n            state.config.save();\n            state.selected_input = Some(dev);\n        }"
+)
+text = text.replace(
+    "AppMessage::OutputDeviceChanged(val) => {\n            state.output_device = val;\n        }",
+    "AppMessage::OutputDeviceSelected(dev) => {\n            state.config.output_device = dev.name.clone();\n            state.config.save();\n            state.selected_output = Some(dev);\n        }"
+)
+
+# 8. View Settings
+settings_old = """                text("Device Settings (Optional Node Target IDs)").size(14).color(color_subtext),
+                row![
+                    text_input("Input Target", &state.input_device).on_input(AppMessage::InputDeviceChanged).style(t_style.clone()).padding(8),
+                    horizontal_space(),
+                    text_input("Output Target", &state.output_device).on_input(AppMessage::OutputDeviceChanged).style(t_style.clone()).padding(8),
+                ].spacing(10),"""
+
+settings_new = """                text("Device Settings").size(14).color(color_subtext),
+                row![
+                    column![
+                        text("Input Target").size(12).color(color_subtext),
+                        pick_list(
+                            &state.input_devices[..],
+                            state.selected_input.clone(),
+                            AppMessage::InputDeviceSelected,
+                        ).width(iced::Length::Fixed(160.0))
+                    ].spacing(4),
+                    horizontal_space(),
+                    column![
+                        text("Output Target").size(12).color(color_subtext),
+                        pick_list(
+                            &state.output_devices[..],
+                            state.selected_output.clone(),
+                            AppMessage::OutputDeviceSelected,
+                        ).width(iced::Length::Fixed(160.0))
+                    ].spacing(4),
+                ].spacing(10),"""
+
+text = text.replace(settings_old, settings_new)
+
+with open("src/app/mod.rs", "w") as f:
+    f.write(text)