From e566dbb547ffa2ebea9cd7c529d9bf5edb920f9a Mon Sep 17 00:00:00 2001
From: Eskil Q <eskilq@kth.se>
Date: Sun, 3 Jan 2021 17:16:38 +0100
Subject: remove dead code

---
 mumd/src/audio.rs | 62 -------------------------------------------------------
 1 file changed, 62 deletions(-)

(limited to 'mumd/src/audio.rs')

diff --git a/mumd/src/audio.rs b/mumd/src/audio.rs
index 6d69e36..d7b2060 100644
--- a/mumd/src/audio.rs
+++ b/mumd/src/audio.rs
@@ -350,61 +350,6 @@ impl Audio {
     }
 }
 
-struct NoiseGate<S: Signal> {
-    open: usize,
-    signal: S,
-    activate_threshold: <<S::Frame as Frame>::Sample as Sample>::Float,
-    deactivation_delay: usize,
-}
-
-impl<S: Signal> NoiseGate<S> {
-    pub fn new(
-        signal: S,
-        activate_threshold: <<S::Frame as Frame>::Sample as Sample>::Float,
-        deactivation_delay: usize,
-    ) -> NoiseGate<S> {
-        Self {
-            open: 0,
-            signal,
-            activate_threshold,
-            deactivation_delay
-        }
-    }
-}
-
-impl<S: Signal> Signal for NoiseGate<S> {
-    type Frame = S::Frame;
-
-    fn next(&mut self) -> Self::Frame {
-        let frame = self.signal.next();
-
-        match self.open {
-            0 => {
-                if frame.to_float_frame().channels().any(|e| abs(e) >= self.activate_threshold) {
-                    self.open = self.deactivation_delay;
-                }
-            }
-            _ => {
-                if frame.to_float_frame().channels().any(|e| abs(e) >= self.activate_threshold) {
-                    self.open = self.deactivation_delay;
-                } else {
-                    self.open -= 1;
-                }
-            }
-        }
-
-        if self.open != 0 {
-            frame
-        } else {
-            <S::Frame as Frame>::EQUILIBRIUM
-        }
-    }
-
-    fn is_exhausted(&self) -> bool {
-        self.signal.is_exhausted()
-    }
-}
-
 struct StreamingNoiseGate<S: StreamingSignal> {
     open: usize,
     signal: S,
@@ -566,13 +511,6 @@ struct FromStream<S> {
     underlying_exhausted: bool,
 }
 
-fn from_stream<S>(stream: S) -> FromStream<S>
-    where
-        S: Stream + Unpin,
-        S::Item: Frame {
-    FromStream { stream, underlying_exhausted: false }
-}
-
 impl<S> StreamingSignal for FromStream<S>
     where
         S: Stream + Unpin,
-- 
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