Feat: crash bugfixes

crates/forth/src/vm.rs

@@ -1180,11 +1180,11 @@ impl Forth {
                 }
 
                 Op::Loop => {
-                    let beats = pop_float(stack)?;
+                    let steps = pop_float(stack)?;
                     if ctx.tempo == 0.0 || ctx.speed == 0.0 {
                         return Err("tempo and speed must be non-zero".into());
                     }
-                    let dur = beats * 60.0 / ctx.tempo / ctx.speed;
+                    let dur = steps * ctx.step_duration();
                     cmd.set_param("fit", Value::Float(dur, None));
                     cmd.set_param("dur", Value::Float(dur, None));
                 }

crates/forth/src/words/sequencing.rs

@@ -280,8 +280,8 @@ pub(super) const WORDS: &[Word] = &[
         aliases: &[],
         category: "Time",
         stack: "(n --)",
-        desc: "Fit sample to n beats",
-        example: "\"break\" s 4 loop @",
+        desc: "Fit sample to n steps",
+        example: "\"break\" s 16 loop @",
         compile: Simple,
         varargs: false,
     },

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 {
+            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 {
+        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 {
+                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);