diff --git a/src/lib.rs b/src/lib.rs
index 16d7eb8..586e04d 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -103,12 +103,12 @@ impl Plugin for ClipLauncher {
 
         // Process audio
         for channel_samples in buffer.iter_samples() {
-            let input = channel_samples.inputs();
-            let mut output = channel_samples.outputs();
+            let input = channel_samples.inputs;
+            let output = channel_samples.outputs;
             let num_samples = input.len();
             
             // Process this block
-            self.engine.process_audio(input, &mut output, num_samples);
+            self.engine.process_audio(input, output, num_samples);
         }
 
         // Send pending MIDI output events