Initial commit

src/config.rs

@@ -0,0 +1,66 @@
+//! Configuration types for the Doux audio engine.
+
+use std::path::PathBuf;
+
+/// Configuration for the Doux audio engine.
+#[derive(Debug, Clone)]
+pub struct DouxConfig {
+    /// Output device specification (name or index). None uses system default.
+    pub output_device: Option<String>,
+    /// Input device specification (name or index). None uses system default.
+    pub input_device: Option<String>,
+    /// Number of output channels (will be clamped to device maximum).
+    pub channels: u16,
+    /// Paths to sample directories for lazy loading.
+    pub sample_paths: Vec<PathBuf>,
+    /// Audio buffer size in samples. None uses system default.
+    pub buffer_size: Option<u32>,
+}
+
+impl Default for DouxConfig {
+    fn default() -> Self {
+        Self {
+            output_device: None,
+            input_device: None,
+            channels: 2,
+            sample_paths: Vec::new(),
+            buffer_size: None,
+        }
+    }
+}
+
+impl DouxConfig {
+    pub fn new() -> Self {
+        Self::default()
+    }
+
+    pub fn with_output_device(mut self, device: impl Into<String>) -> Self {
+        self.output_device = Some(device.into());
+        self
+    }
+
+    pub fn with_input_device(mut self, device: impl Into<String>) -> Self {
+        self.input_device = Some(device.into());
+        self
+    }
+
+    pub fn with_channels(mut self, channels: u16) -> Self {
+        self.channels = channels;
+        self
+    }
+
+    pub fn with_sample_path(mut self, path: impl Into<PathBuf>) -> Self {
+        self.sample_paths.push(path.into());
+        self
+    }
+
+    pub fn with_sample_paths(mut self, paths: impl IntoIterator<Item = PathBuf>) -> Self {
+        self.sample_paths.extend(paths);
+        self
+    }
+
+    pub fn with_buffer_size(mut self, size: u32) -> Self {
+        self.buffer_size = Some(size);
+        self
+    }
+}