From f5f10c49ccffab59fdf9752c5f9be28bf48e12a9 Mon Sep 17 00:00:00 2001
From: Shamir Khodzha <khodzha.sh@gmail.com>
Date: Mon, 27 Jan 2020 15:36:16 +0300
Subject: [PATCH 1/2] linear extrapolation of endpoint samples in
 AudioBufferSourceNode

---
 audio/buffer_source_node.rs | 16 ++++++++++++----
 1 file changed, 12 insertions(+), 4 deletions(-)

diff --git a/audio/buffer_source_node.rs b/audio/buffer_source_node.rs
index 64470ffa..9f517975 100644
--- a/audio/buffer_source_node.rs
+++ b/audio/buffer_source_node.rs
@@ -394,10 +394,18 @@ impl AudioBuffer {
 
         let prev = pos.floor() as usize;
         let offset = pos - pos.floor();
-        let next_sample = *self.buffers[chan as usize].get(prev + 1).unwrap_or(&0.0);
-
-        ((1. - offset) * (self.buffers[chan as usize][prev] as f64) + offset * (next_sample as f64))
-            as f32
+        match self.buffers[chan as usize].get(prev + 1) {
+            Some(next_sample) => {
+                ((1. - offset) * (self.buffers[chan as usize][prev] as f64)
+                    + offset * (*next_sample as f64)) as f32
+            }
+            _ => {
+                // linear extrapolation of two prev samples
+                ((1. + offset) * (self.buffers[chan as usize][prev] as f64)
+                    - offset * (self.buffers[chan as usize][prev - 1] as f64))
+                    as f32
+            }
+        }
     }
 
     pub fn data_chan_mut(&mut self, chan: u8) -> &mut [f32] {

From b5f15162cebe23300500a8049e2946ac78920efe Mon Sep 17 00:00:00 2001
From: Shamir Khodzha <khodzha.sh@gmail.com>
Date: Tue, 28 Jan 2020 12:27:06 +0300
Subject: [PATCH 2/2] style fix for PannerNode

---
 audio/panner_node.rs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/audio/panner_node.rs b/audio/panner_node.rs
index 05d70678..71d539f0 100644
--- a/audio/panner_node.rs
+++ b/audio/panner_node.rs
@@ -333,7 +333,7 @@ impl AudioNodeEngine for PannerNode {
                     let x = if mono {
                         (azimuth + 90.) / 180.
                     } else if azimuth <= 0. {
-                        (azimuth + 90. / 90.)
+                        (azimuth + 90.) / 90.
                     } else {
                         azimuth / 90.
                     };