wip

src/lib.rs

@@ -32,7 +32,9 @@ use orbit::{EffectParams, Orbit};
 use sample::{FileSource, SampleEntry, SampleInfo, SamplePool, WebSampleSource};
 use schedule::Schedule;
 #[cfg(feature = "native")]
-use telemetry::EngineMetrics;
+use std::sync::Arc;
+#[cfg(feature = "native")]
+pub use telemetry::EngineMetrics;
 use types::{DelayType, Source, BLOCK_SIZE, CHANNELS, MAX_ORBITS, MAX_VOICES};
 use voice::{Voice, VoiceParams};
 
@@ -55,7 +57,7 @@ pub struct Engine {
     pub effect_params: EffectParams,
     // Telemetry (native only)
     #[cfg(feature = "native")]
-    pub metrics: EngineMetrics,
+    pub metrics: Arc<EngineMetrics>,
 }
 
 impl Engine {
@@ -96,7 +98,48 @@ impl Engine {
                 comb_damp: 0.1,
             },
             #[cfg(feature = "native")]
-            metrics: EngineMetrics::default(),
+            metrics: Arc::new(EngineMetrics::default()),
+        }
+    }
+
+    #[cfg(feature = "native")]
+    pub fn new_with_metrics(
+        sample_rate: f32,
+        output_channels: usize,
+        metrics: Arc<EngineMetrics>,
+    ) -> Self {
+        let mut orbits = Vec::with_capacity(MAX_ORBITS);
+        for _ in 0..MAX_ORBITS {
+            orbits.push(Orbit::new(sample_rate));
+        }
+
+        Self {
+            sr: sample_rate,
+            isr: 1.0 / sample_rate,
+            voices: vec![Voice::default(); MAX_VOICES],
+            active_voices: 0,
+            orbits,
+            schedule: Schedule::new(),
+            time: 0.0,
+            tick: 0,
+            output_channels,
+            output: vec![0.0; BLOCK_SIZE * output_channels],
+            sample_pool: SamplePool::new(),
+            samples: Vec::with_capacity(256),
+            sample_index: Vec::new(),
+            effect_params: EffectParams {
+                delay_time: 0.333,
+                delay_feedback: 0.6,
+                delay_type: DelayType::Standard,
+                verb_decay: 0.75,
+                verb_damp: 0.95,
+                verb_predelay: 0.1,
+                verb_diff: 0.7,
+                comb_freq: 220.0,
+                comb_feedback: 0.9,
+                comb_damp: 0.1,
+            },
+            metrics,
         }
     }