From d4989b3a532b4a134fa061583114f006d6f22673 Mon Sep 17 00:00:00 2001
From: richardash1981 <richardash1981@47890b92-0858-11df-a26f-8b716316a5bc>
Date: Mon, 6 May 2013 10:29:06 +0000
Subject: [PATCH] Patch by Steve the Fiddle to trap another invalid return from
 Nyquist and prevent crashing Audacity

---
 src/effects/nyquist/Nyquist.cpp | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/src/effects/nyquist/Nyquist.cpp b/src/effects/nyquist/Nyquist.cpp
index 8bef25d03..d8f05352e 100644
--- a/src/effects/nyquist/Nyquist.cpp
+++ b/src/effects/nyquist/Nyquist.cpp
@@ -920,6 +920,13 @@ bool EffectNyquist::ProcessOne()
       return false;
    }
 
+   if (outChannels == 0) {
+      wxMessageBox(_("Nyquist returned an empty array.\n"),
+                   wxT("Nyquist"),
+                   wxOK | wxCENTRE, mParent);
+      return false;
+   }
+
    double rate = mCurTrack[0]->GetRate();
    for (i = 0; i < outChannels; i++) {
       sampleFormat format = mCurTrack[i]->GetSampleFormat();