Feat: crash bugfixes

src/bin/desktop/main.rs

@@ -251,9 +251,13 @@ impl CagireDesktop {
         let mut restart_samples = Vec::new();
         self.app.audio.config.sample_counts.clear();
         for path in &self.app.audio.config.sample_paths {
-            let index = doux::sampling::scan_samples_dir(path);
-            self.app.audio.config.sample_counts.push(index.len());
-            restart_samples.extend(index);
+            if path.is_dir() {
+                let index = doux::sampling::scan_samples_dir(path);
+                self.app.audio.config.sample_counts.push(index.len());
+                restart_samples.extend(index);
+            } else {
+                self.app.audio.config.sample_counts.push(0);
+            }
         }
 
         self.audio_sample_pos.store(0, Ordering::Release);

src/engine/audio.rs

@@ -320,7 +320,7 @@ pub fn build_stream(
     let sample_rate = default_config.sample_rate() as f32;
 
     let max_channels = doux::audio::max_output_channels(&device);
-    let channels = config.channels.min(max_channels);
+    let channels = config.channels.min(max_channels).max(2);
 
     let host_name = doux::audio::preferred_host().id().name().to_string();
     let is_jack = host_name.to_lowercase().contains("jack");

src/init.rs

@@ -158,9 +158,14 @@ pub fn init(args: InitArgs) -> Init {
     let sample_rate_shared = Arc::new(AtomicU32::new(44100));
     let mut initial_samples = Vec::new();
     for path in &app.audio.config.sample_paths {
-        let index = doux::sampling::scan_samples_dir(path);
-        app.audio.config.sample_counts.push(index.len());
-        initial_samples.extend(index);
+        if path.is_dir() {
+            let index = doux::sampling::scan_samples_dir(path);
+            app.audio.config.sample_counts.push(index.len());
+            initial_samples.extend(index);
+        } else {
+            eprintln!("Sample path not found: {}", path.display());
+            app.audio.config.sample_counts.push(0);
+        }
     }
     let preload_entries: Vec<(String, std::path::PathBuf)> = initial_samples
         .iter()

src/main.rs

@@ -141,9 +141,13 @@ fn main() -> io::Result<()> {
             let mut restart_samples = Vec::new();
             app.audio.config.sample_counts.clear();
             for path in &app.audio.config.sample_paths {
-                let index = doux::sampling::scan_samples_dir(path);
-                app.audio.config.sample_counts.push(index.len());
-                restart_samples.extend(index);
+                if path.is_dir() {
+                    let index = doux::sampling::scan_samples_dir(path);
+                    app.audio.config.sample_counts.push(index.len());
+                    restart_samples.extend(index);
+                } else {
+                    app.audio.config.sample_counts.push(0);
+                }
             }
 
             audio_sample_pos.store(0, Ordering::Relaxed);