From 827c9f93ccfef262fbf8b1cefad39595d656ebf9 Mon Sep 17 00:00:00 2001
From: itsmattkc <itsmattkc@gmail.com>
Date: Tue, 24 Nov 2020 11:02:42 +1100
Subject: [PATCH] AudioVisualWaveform: implement same size check as
 AudioPlaybackCache to prevent index out of bounds crashes

---
 app/audio/audiovisualwaveform.cpp | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/app/audio/audiovisualwaveform.cpp b/app/audio/audiovisualwaveform.cpp
index 2fc07b683..ec99aed9d 100644
--- a/app/audio/audiovisualwaveform.cpp
+++ b/app/audio/audiovisualwaveform.cpp
@@ -151,6 +151,10 @@ void AudioVisualWaveform::Shift(const rational &from, const rational &to)
     return;
   }
 
+  if (from_index > data_.size()) {
+    return;
+  }
+
   if (from_index > to_index) {
     // Shifting backwards <-
     int copy_sz = data_.size() - from_index;