From 1f93abaf0efa45065a7e5a0208186b1276305110 Mon Sep 17 00:00:00 2001
From: jules <jules@rawmaterialsoftware.com>
Date: Tue, 11 Mar 2008 11:59:01 +0000
Subject: [PATCH]

---
 .../audio/audio_sources/juce_ResamplingAudioSource.cpp      | 6 ++++++
 .../audio/audio_sources/juce_ResamplingAudioSource.h        | 3 ++-
 2 files changed, 8 insertions(+), 1 deletion(-)

diff --git a/src/juce_appframework/audio/audio_sources/juce_ResamplingAudioSource.cpp b/src/juce_appframework/audio/audio_sources/juce_ResamplingAudioSource.cpp
index 30424b8662..d74a3cb3da 100644
--- a/src/juce_appframework/audio/audio_sources/juce_ResamplingAudioSource.cpp
+++ b/src/juce_appframework/audio/audio_sources/juce_ResamplingAudioSource.cpp
@@ -34,6 +34,7 @@
 BEGIN_JUCE_NAMESPACE
 
 #include "juce_ResamplingAudioSource.h"
+#include "../../../juce_core/threads/juce_ScopedLock.h"
 
 
 //==============================================================================
@@ -59,12 +60,15 @@ void ResamplingAudioSource::setResamplingRatio (const double samplesInPerOutputS
 {
     jassert (samplesInPerOutputSample > 0);
 
+    const ScopedLock sl (ratioLock);
     ratio = jmax (0.0, samplesInPerOutputSample);
 }
 
 void ResamplingAudioSource::prepareToPlay (int samplesPerBlockExpected,
                                            double sampleRate)
 {
+    const ScopedLock sl (ratioLock);
+
     input->prepareToPlay (samplesPerBlockExpected, sampleRate);
 
     buffer.setSize (2, roundDoubleToInt (samplesPerBlockExpected * ratio) + 32);
@@ -85,6 +89,8 @@ void ResamplingAudioSource::releaseResources()
 
 void ResamplingAudioSource::getNextAudioBlock (const AudioSourceChannelInfo& info)
 {
+    const ScopedLock sl (ratioLock);
+
     if (lastRatio != ratio)
     {
         createLowPass (ratio);
diff --git a/src/juce_appframework/audio/audio_sources/juce_ResamplingAudioSource.h b/src/juce_appframework/audio/audio_sources/juce_ResamplingAudioSource.h
index d0ea015fb5..615fded10d 100644
--- a/src/juce_appframework/audio/audio_sources/juce_ResamplingAudioSource.h
+++ b/src/juce_appframework/audio/audio_sources/juce_ResamplingAudioSource.h
@@ -33,7 +33,7 @@
 #define __JUCE_RESAMPLINGAUDIOSOURCE_JUCEHEADER__
 
 #include "juce_AudioSource.h"
-
+#include "../../../juce_core/threads/juce_CriticalSection.h"
 
 //==============================================================================
 /**
@@ -89,6 +89,7 @@ private:
     int bufferPos, sampsInBuffer;
     double subSampleOffset;
     double coefficients[6];
+    CriticalSection ratioLock;
 
     void setFilterCoefficients (double c1, double c2, double c3, double c4, double c5, double c6);
     void createLowPass (const double proportionalRate);