From 7a8a8684d6f8c9956ca7e4f81eb8064b8dece58e Mon Sep 17 00:00:00 2001
From: wangyix <wangyix@gmail.com>
Date: Thu, 14 Aug 2014 15:56:13 -0700
Subject: [PATCH] fixed crash when audioscope frame size is reduced

---
 interface/src/Audio.cpp | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/interface/src/Audio.cpp b/interface/src/Audio.cpp
index 3009262625..6a22f139b7 100644
--- a/interface/src/Audio.cpp
+++ b/interface/src/Audio.cpp
@@ -1236,8 +1236,6 @@ void Audio::selectAudioFilterSmiley() {
 void Audio::toggleScope() {
     _scopeEnabled = !_scopeEnabled;
     if (_scopeEnabled) {
-        _scopeInputOffset = 0;
-        _scopeOutputOffset = 0;
         allocateScope();
     } else {
         freeScope();
@@ -1275,6 +1273,8 @@ void Audio::selectAudioScopeFiftyFrames() {
 }
 
 void Audio::allocateScope() {
+    _scopeInputOffset = 0;
+    _scopeOutputOffset = 0;
     int num = _samplesPerScope * sizeof(int16_t);
     _scopeInput = new QByteArray(num, 0);
     _scopeOutputLeft = new QByteArray(num, 0);