try to run denoising

gui/src/effects.rs

@@ -0,0 +1,28 @@
+use crossbeam::atomic::AtomicCell;
+use std::sync::Arc;
+
+#[derive(Default)]
+pub struct AudioProcessor {
+    df: Option<::df::DFState>,
+}
+
+impl AudioProcessor {
+    pub fn new_denoising() -> Self {
+        let df = ::df::DFState::default();
+        AudioProcessor { df: Some(df) }
+    }
+}
+
+impl AudioProcessor {
+    pub fn process(&mut self, audio: &[f32]) -> Box<[f32]> {
+        let mut output: Box<[f32]> = vec![0f32; audio.len()].into();
+        if let Some(df) = &mut self.df {
+            df.process_frame(audio, &mut output);
+        } else {
+            output.copy_from_slice(audio);
+        }
+        output
+    }
+}
+
+pub type AudioProcessorSender = Arc<AtomicCell<Option<AudioProcessor>>>;