From 88e40cd27a5a9ec3d3bd84973f75d782dea5bc5a Mon Sep 17 00:00:00 2001
From: 409 <bloecker.s@gmail.com>
Date: Sat, 29 Jun 2024 13:41:59 +0200
Subject: [PATCH] fix: crash when an instruction is issed while there are no
 sink inputs

---
 src/mixer.rs | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/src/mixer.rs b/src/mixer.rs
index aaa698f..e9f2643 100644
--- a/src/mixer.rs
+++ b/src/mixer.rs
@@ -303,6 +303,12 @@ impl Mixer {
     pub fn select_next(&mut self) {
         let mut index_lock = self.selected_index.lock().unwrap();
 
+        let sink_input_len = self.sink_inputs.len();
+        if sink_input_len == 0 {
+            *index_lock = None;
+            return;
+        }
+
         match *index_lock {
             Some(current_index) => {
                 let new_index: usize =
@@ -328,6 +334,12 @@ impl Mixer {
     pub fn select_previous(&mut self) {
         let mut index_lock = self.selected_index.lock().unwrap();
 
+        let sink_input_len = self.sink_inputs.len();
+        if sink_input_len == 0 {
+            *index_lock = None;
+            return;
+        }
+
         match *index_lock {
             Some(current_index) => {
                 let new_index: usize = match current_index.overflowing_sub(1) {