From 244fbeac24211a967cdcd523d46af5d9d3e83b57 Mon Sep 17 00:00:00 2001
From: Olli Parviainen <oparviai@iki.fi>
Date: Mon, 7 Jan 2019 18:55:36 +0200
Subject: [PATCH] BPM PeakFinder: Fix possible reading past end of array.

Increase minor version accordingly.
---
 README.html                      | 11 ++++++++---
 include/SoundTouch.h             |  4 ++--
 source/SoundTouch/PeakFinder.cpp |  2 +-
 3 files changed, 11 insertions(+), 6 deletions(-)
diff --git a/README.html b/README.html
index 6e9e77f..f74c031 100644
--- a/README.html
+++ b/README.html
@@ -14,8 +14,8 @@
 </head>
 <body class="normal">
 <hr>
-<h1>SoundTouch audio processing library v2.1.2</h1>
-<p class="normal">SoundTouch library Copyright &copy; Olli Parviainen 2001-2018</p>
+<h1>SoundTouch audio processing library v2.1.3 pre</h1>
+<p class="normal">SoundTouch library Copyright &copy; Olli Parviainen 2001-2019</p>
 <hr>
 <h2>1. Introduction </h2>
 <p>SoundTouch is an open-source audio processing library that allows
@@ -575,6 +575,10 @@ this corresponds to lowering the pitch by -0.318 semitones:</p>
 <hr>
 <h2>5. Change History</h2>
 <h3>5.1. SoundTouch library Change History </h3>
+    <p><b>2.1.3 pre:</b></p>
+    <ul>
+      <li>Bugfix: Fixed possible reading past end of array in BPM peak detection algorithm</li>
+    </ul>
     <p><b>2.1.2:</b></p>
     <ul>
       <li>Bump version to 2.1.2 also in configure.ac. The earlier release had old version info for GNU autotools.</li>
@@ -869,6 +873,7 @@ submitted bugfixes:</p>
   <li> Jamie Bullock</li>
   <li> Chris Bryan</li>  
   <li> Jacek Caban</li>
+  <li> Marketa Calabkova</li>
   <li> Brian Cameron</li>
   <li> Jason Champion</li>
   <li> Giuseppe Cigala</li>
@@ -923,6 +928,6 @@ Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA</p>
 <p>---</p>
 <p>commercial license alternative also available, contact author for details.</p>
 <hr>
-<p><i>README.html file updated in November-2018</i></p>
+<p><i>README.html file updated in January-2019</i></p>
 </body>
 </html>
diff --git a/include/SoundTouch.h b/include/SoundTouch.h
index 37d0375..e963ddf 100644
--- a/include/SoundTouch.h
+++ b/include/SoundTouch.h
@@ -72,10 +72,10 @@ namespace soundtouch
 {
 
 /// Soundtouch library version string
-#define SOUNDTOUCH_VERSION          "2.1.2"
+#define SOUNDTOUCH_VERSION          "2.1.3"
 
 /// SoundTouch library version id
-#define SOUNDTOUCH_VERSION_ID       (20102)
+#define SOUNDTOUCH_VERSION_ID       (20103)
 
 //
 // Available setting IDs for the 'setSetting' & 'get_setting' functions:
diff --git a/source/SoundTouch/PeakFinder.cpp b/source/SoundTouch/PeakFinder.cpp
index 258571a..34db39b 100644
--- a/source/SoundTouch/PeakFinder.cpp
+++ b/source/SoundTouch/PeakFinder.cpp
@@ -142,7 +142,7 @@ int PeakFinder::findCrossingLevel(const float *data, float level, int peakpos, i
     peaklevel = data[peakpos];
     assert(peaklevel >= level);
     pos = peakpos;
-    while ((pos >= minPos) && (pos < maxPos))
+    while ((pos >= minPos) && (pos + direction < maxPos))
     {
         if (data[pos + direction] < level) return pos;   // crossing found
         pos += direction;
