From 1cb5ebb48e88592cd8e685c998b92140d7dcabb4 Mon Sep 17 00:00:00 2001
From: Kurt Korbatits <kurt.korbatits@nokia.com>
Date: Mon, 9 Nov 2009 14:26:02 +1000
Subject: Fixed runtime error in QAudioInput::bytesReady() function If
 bytesReady() was called before start(), Div by Zero. Added check for this
 condition.

Task-number:QTBUG-5300
Reviewed-by:Justin McPherson
---
 src/multimedia/audio/qaudioinput_win32_p.cpp | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/multimedia/audio/qaudioinput_win32_p.cpp b/src/multimedia/audio/qaudioinput_win32_p.cpp
index 31f6e25..b7f9ffd 100644
--- a/src/multimedia/audio/qaudioinput_win32_p.cpp
+++ b/src/multimedia/audio/qaudioinput_win32_p.cpp
@@ -333,6 +333,9 @@ void QAudioInputPrivate::close()
 
 int QAudioInputPrivate::bytesReady() const
 {
+    if(period_size == 0 || buffer_size == 0)
+        return 0;
+
     int buf = ((buffer_size/period_size)-waveFreeBlockCount)*period_size;
     if(buf < 0)
         buf = 0;
-- 
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