From f1a9f40da0e41a926575aa200c79150aa597d1a6 Mon Sep 17 00:00:00 2001
From: oparviai <oparviai@f3a24b6a-cf45-0410-b55a-8c22e2698227>
Date: Fri, 27 Feb 2009 17:24:42 +0000
Subject: [PATCH] Check for empty buffer

---
 source/SoundTouch/FIFOSampleBuffer.cpp | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/source/SoundTouch/FIFOSampleBuffer.cpp b/source/SoundTouch/FIFOSampleBuffer.cpp
index 0670786..8393f7b 100644
--- a/source/SoundTouch/FIFOSampleBuffer.cpp
+++ b/source/SoundTouch/FIFOSampleBuffer.cpp
@@ -179,7 +179,10 @@ void FIFOSampleBuffer::ensureCapacity(uint capacityRequirement)
         }
         // Align the buffer to begin at 16byte cache line boundary for optimal performance
         temp = (SAMPLETYPE *)(((ulong)tempUnaligned + 15) & (ulong)-16);
-        memcpy(temp, ptrBegin(), samplesInBuffer * channels * sizeof(SAMPLETYPE));
+        if (samplesInBuffer)
+        {
+            memcpy(temp, ptrBegin(), samplesInBuffer * channels * sizeof(SAMPLETYPE));
+        }
         delete[] bufferUnaligned;
         buffer = temp;
         bufferUnaligned = tempUnaligned;