From bdbfd016080af451bb18f8fd73cb3d8ada4b98a2 Mon Sep 17 00:00:00 2001
From: Weird Constructor <weirdconstructor@gmail.com>
Date: Wed, 23 Jun 2021 05:11:39 +0200
Subject: [PATCH] make a note for DelayBuffer::feed

---
 src/dsp/helpers.rs | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/dsp/helpers.rs b/src/dsp/helpers.rs
index 2d5ac15..c682f4b 100644
--- a/src/dsp/helpers.rs
+++ b/src/dsp/helpers.rs
@@ -559,6 +559,9 @@ impl DelayBuffer {
         self.wr = 0;
     }
 
+    /// Feed one sample into the delay line and increment the write pointer.
+    /// Please note: For sample accurate feedback you need to retrieve the
+    /// output of the delay line before feeding in a new signal.
     #[inline]
     pub fn feed(&mut self, input: f32) {
         self.data[self.wr] = input;