- Library code update

- project update (added Eigen)

git-svn-id: http://moon:8086/svn/software/trunk/projects/mpsk_rx_gui@94 b431acfa-c32f-4a4a-93f1-934dc6c82436

JuceLibraryCode/modules/juce_audio_basics/sources/juce_ResamplingAudioSource.cpp

@@ -47,23 +47,28 @@ void ResamplingAudioSource::setResamplingRatio (const double samplesInPerOutputS
     ratio = jmax (0.0, samplesInPerOutputSample);
 }
 
-void ResamplingAudioSource::prepareToPlay (int samplesPerBlockExpected,
-                                           double sampleRate)
+void ResamplingAudioSource::prepareToPlay (int samplesPerBlockExpected, double sampleRate)
 {
     const SpinLock::ScopedLockType sl (ratioLock);
 
     input->prepareToPlay (samplesPerBlockExpected, sampleRate);
 
     buffer.setSize (numChannels, roundToInt (samplesPerBlockExpected * ratio) + 32);
-    buffer.clear();
-    sampsInBuffer = 0;
-    bufferPos = 0;
-    subSampleOffset = 0.0;
 
     filterStates.calloc ((size_t) numChannels);
     srcBuffers.calloc ((size_t) numChannels);
     destBuffers.calloc ((size_t) numChannels);
     createLowPass (ratio);
+
+    flushBuffers();
+}
+
+void ResamplingAudioSource::flushBuffers()
+{
+    buffer.clear();
+    bufferPos = 0;
+    sampsInBuffer = 0;
+    subSampleOffset = 0.0;
     resetFilters();
 }
 
@@ -225,7 +230,8 @@ void ResamplingAudioSource::setFilterCoefficients (double c1, double c2, double
 
 void ResamplingAudioSource::resetFilters()
 {
-    filterStates.clear ((size_t) numChannels);
+    if (filterStates != nullptr)
+        filterStates.clear ((size_t) numChannels);
 }
 
 void ResamplingAudioSource::applyFilter (float* samples, int num, FilterState& fs)

JuceLibraryCode/modules/juce_audio_basics/sources/juce_ResamplingAudioSource.h

@@ -66,6 +66,9 @@ public:
     */
     double getResamplingRatio() const noexcept                  { return ratio; }
 
+    /** Clears any buffers and filters that the resampler is using. */
+    void flushBuffers();
+
     //==============================================================================
     void prepareToPlay (int samplesPerBlockExpected, double sampleRate) override;
     void releaseResources() override;