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diff -u /src/cpu_detect_x86.cpp /src/cpu_detect_x86.cpp
--- /src/cpu_detect_x86.cpp
+++ /src/cpu_detect_x86.cpp
@@ -43,18 +43,23 @@
 #include "STTypes.h"
 
 #if defined(SOUNDTOUCH_ALLOW_X86_OPTIMIZATIONS)
-
-    #if defined(__GNUC__) && defined(__i386__)
-        // gcc
+    #if defined(__GNUC__) && defined (HAVE_CPUID_H)
+        // gcc and clang
         #include "cpuid.h"
     #elif defined(_M_IX86)
         // windows non-gcc
         #include <intrin.h>
-        #define bit_MMX     (1 << 23)
-        #define bit_SSE     (1 << 25)
-        #define bit_SSE2    (1 << 26)
     #endif
-
+    // If we still don't have the macros, define them (Windows, MacOS)
+    #ifndef bit_MMX
+        #define bit_MMX (1 << 23)
+    #endif
+    #ifndef bit_SSE
+       #define bit_SSE (1 << 25)
+    #endif
+    #ifndef bit_SSE2
+        #define bit_SSE2 (1 << 26)
+    #endif
 #endif
 
 
@@ -101,18 +106,7 @@
  
     uint res = 0;
  
-#if defined(__GNUC__)
-    // GCC version of cpuid. Requires GCC 4.3.0 or later for __cpuid intrinsic support.
-    uint eax, ebx, ecx, edx;  // unsigned int is the standard type. uint is defined by the compiler and not guaranteed to be portable.
-
-    // Check if no cpuid support.
-    if (!__get_cpuid (1, &eax, &ebx, &ecx, &edx)) return 0; // always disable extensions.
-
-    if (edx & bit_MMX)  res = res | SUPPORT_MMX;
-    if (edx & bit_SSE)  res = res | SUPPORT_SSE;
-    if (edx & bit_SSE2) res = res | SUPPORT_SSE2;
-
-#else
+#if !defined(__GNUC__)
     // Window / VS version of cpuid. Notice that Visual Studio 2005 or later required 
     // for __cpuid intrinsic support.
     int reg[4] = {-1};
@@ -125,7 +119,19 @@
     if ((unsigned int)reg[3] & bit_MMX)  res = res | SUPPORT_MMX;
     if ((unsigned int)reg[3] & bit_SSE)  res = res | SUPPORT_SSE;
     if ((unsigned int)reg[3] & bit_SSE2) res = res | SUPPORT_SSE2;
+#elif defined(HAVE_CPUID_H)
+    // GCC version of cpuid. Requires GCC 4.3.0 or later for __cpuid intrinsic support.
+    uint eax, ebx, ecx, edx;  // unsigned int is the standard type. uint is defined by the compiler and not guaranteed to be portable.
+
+    // Check if no cpuid support.
+    if (!__get_cpuid (1, &eax, &ebx, &ecx, &edx)) return 0; // always disable extensions.
 
+    if (edx & bit_MMX)  res = res | SUPPORT_MMX;
+    if (edx & bit_SSE)  res = res | SUPPORT_SSE;
+    if (edx & bit_SSE2) res = res | SUPPORT_SSE2;
+#else
+    // Compatible with GCC but no cpuid.h.
+    return 0;
 #endif
 
     return res & ~_dwDisabledISA;
--- /src/STTypes.h	2012-08-02 10:04:06.301691592 -0700
+++ /src/STTypes.h
@@ -42,21 +42,13 @@
 typedef unsigned int    uint;
 typedef unsigned long   ulong;
 
-#ifdef __GNUC__
-    // In GCC, include soundtouch_config.h made by config scritps
-    #include "soundtouch_config.h"
-#endif
-
-#ifndef _WINDEF_
-    // if these aren't defined already by Windows headers, define now
-
-    typedef int BOOL;
-
-    #define FALSE   0
-    #define TRUE    1
-
-#endif  // _WINDEF_
+#include "soundtouch_config.h"
 
+#ifdef WIN32
+#define EXPORT __declspec(dllexport)
+#else
+#define EXPORT
+#endif
 
 namespace soundtouch
 {
@@ -82,7 +74,7 @@
         ///   also in GNU environment, then please #undef the INTEGER_SAMPLE
         ///   and FLOAT_SAMPLE defines first as in comments above.
         //#define SOUNDTOUCH_INTEGER_SAMPLES     1    //< 16bit integer samples
-        #define SOUNDTOUCH_FLOAT_SAMPLES       1    //< 32bit float samples
+        #define SOUNDTOUCH_FLOAT_SAMPLES       1    //< 32bit float samples 
      
     #endif
 
@@ -144,10 +136,10 @@
 
     #endif  // SOUNDTOUCH_INTEGER_SAMPLES
 
-};
+}
 
 // define ST_NO_EXCEPTION_HANDLING switch to disable throwing std exceptions:
-// #define ST_NO_EXCEPTION_HANDLING    1
+#define ST_NO_EXCEPTION_HANDLING    1
 #ifdef ST_NO_EXCEPTION_HANDLING
     // Exceptions disabled. Throw asserts instead if enabled.
     #include <assert.h>
--- /src/SoundTouch.h	2012-08-02 10:04:06.301691592 -0700
+++ /src/SoundTouch.h
@@ -141,7 +141,7 @@
 ///   tempo/pitch/rate/samplerate settings.
 #define SETTING_NOMINAL_OUTPUT_SEQUENCE		7
 
-class SoundTouch : public FIFOProcessor
+class EXPORT SoundTouch : public FIFOProcessor
 {
 private:
     /// Rate transposer class instance
@@ -160,7 +160,7 @@
     float virtualPitch;
 
     /// Flag: Has sample rate been set?
-    BOOL  bSrateSet;
+    bool  bSrateSet;
 
     /// Calculates effective rate & tempo valuescfrom 'virtualRate', 'virtualTempo' and 
     /// 'virtualPitch' parameters.
@@ -247,8 +247,8 @@
     /// Changes a setting controlling the processing system behaviour. See the
     /// 'SETTING_...' defines for available setting ID's.
     /// 
-    /// \return 'TRUE' if the setting was succesfully changed
-    BOOL setSetting(int settingId,   ///< Setting ID number. see SETTING_... defines.
+    /// \return 'true' if the setting was succesfully changed
+    bool setSetting(int settingId,   ///< Setting ID number. see SETTING_... defines.
                     int value        ///< New setting value.
                     );
 
--- /src/RateTransposer.cpp
+++ /src/RateTransposer.cpp
@@ -120,17 +120,17 @@ RateTransposer *RateTransposer::newInsta
 #endif
 }
 
 
 // Constructor
 RateTransposer::RateTransposer() : FIFOProcessor(&outputBuffer)
 {
     numChannels = 2;
-    bUseAAFilter = TRUE;
+    bUseAAFilter = true;
     fRate = 0;
 
     // Instantiates the anti-alias filter with default tap length
     // of 32
     pAAFilter = new AAFilter(32);
 }
 
 
@@ -138,24 +138,24 @@ RateTransposer::RateTransposer() : FIFOP
 RateTransposer::~RateTransposer()
 {
     delete pAAFilter;
 }
 
 
 
 /// Enables/disables the anti-alias filter. Zero to disable, nonzero to enable
-void RateTransposer::enableAAFilter(BOOL newMode)
+void RateTransposer::enableAAFilter(bool newMode)
 {
     bUseAAFilter = newMode;
 }
 
 
 /// Returns nonzero if anti-alias filter is enabled.
-BOOL RateTransposer::isAAFilterEnabled() const
+bool RateTransposer::isAAFilterEnabled() const
 {
     return bUseAAFilter;
 }
 
 
 AAFilter *RateTransposer::getAAFilter()
 {
     return pAAFilter;
@@ -281,17 +281,17 @@ void RateTransposer::processSamples(cons
     uint count;
     uint sizeReq;
 
     if (nSamples == 0) return;
     assert(pAAFilter);
 
     // If anti-alias filter is turned off, simply transpose without applying
     // the filter
-    if (bUseAAFilter == FALSE) 
+    if (bUseAAFilter == false) 
     {
         sizeReq = (uint)((float)nSamples / fRate + 1.0f);
         count = transpose(outputBuffer.ptrEnd(sizeReq), src, nSamples);
         outputBuffer.putSamples(count);
         return;
     }
 
     // Transpose with anti-alias filter
--- /src/RateTransposer.h
+++ /src/RateTransposer.h
@@ -76,17 +76,17 @@ protected:
     FIFOSampleBuffer storeBuffer;
 
     /// Buffer for keeping samples between transposing & anti-alias filter
     FIFOSampleBuffer tempBuffer;
 
     /// Output sample buffer
     FIFOSampleBuffer outputBuffer;
 
-    BOOL bUseAAFilter;
+    bool bUseAAFilter;
 
     virtual void resetRegisters() = 0;
 
     virtual uint transposeStereo(SAMPLETYPE *dest, 
                          const SAMPLETYPE *src, 
                          uint numSamples) = 0;
     virtual uint transposeMono(SAMPLETYPE *dest, 
                        const SAMPLETYPE *src, 
@@ -126,20 +126,20 @@ public:
 
     /// Returns the store buffer object
     FIFOSamplePipe *getStore() { return &storeBuffer; };
 
     /// Return anti-alias filter object
     AAFilter *getAAFilter();
 
     /// Enables/disables the anti-alias filter. Zero to disable, nonzero to enable
-    void enableAAFilter(BOOL newMode);
+    void enableAAFilter(bool newMode);
 
     /// Returns nonzero if anti-alias filter is enabled.
-    BOOL isAAFilterEnabled() const;
+    bool isAAFilterEnabled() const;
 
     /// Sets new target rate. Normal rate = 1.0, smaller values represent slower 
     /// rate, larger faster rates.
     virtual void setRate(float newRate);
 
     /// Sets the number of channels, 1 = mono, 2 = stereo
     void setChannels(int channels);
 
--- /src/SoundTouch.cpp
+++ /src/SoundTouch.cpp
@@ -106,17 +106,17 @@ SoundTouch::SoundTouch()
 
     virtualPitch = 
     virtualRate = 
     virtualTempo = 1.0;
 
     calcEffectiveRateAndTempo();
 
     channels = 0;
-    bSrateSet = FALSE;
+    bSrateSet = false;
 }
 
 
 
 SoundTouch::~SoundTouch()
 {
     delete pRateTransposer;
     delete pTDStretch;
@@ -277,27 +277,27 @@ void SoundTouch::calcEffectiveRateAndTem
         }
     } 
 }
 
 
 // Sets sample rate.
 void SoundTouch::setSampleRate(uint srate)
 {
-    bSrateSet = TRUE;
+    bSrateSet = true;
     // set sample rate, leave other tempo changer parameters as they are.
     pTDStretch->setParameters((int)srate);
 }
 
 
 // Adds 'numSamples' pcs of samples from the 'samples' memory position into
 // the input of the object.
 void SoundTouch::putSamples(const SAMPLETYPE *samples, uint nSamples)
 {
-    if (bSrateSet == FALSE) 
+    if (bSrateSet == false) 
     {
         ST_THROW_RT_ERROR("SoundTouch : Sample rate not defined");
     } 
     else if (channels == 0) 
     {
         ST_THROW_RT_ERROR("SoundTouch : Number of channels not defined");
     }
 
@@ -382,57 +382,57 @@ void SoundTouch::flush()
     pTDStretch->clearInput();
     // yet leave the 'tempoChanger' output intouched as that's where the
     // flushed samples are!
 }
 
 
 // Changes a setting controlling the processing system behaviour. See the
 // 'SETTING_...' defines for available setting ID's.
-BOOL SoundTouch::setSetting(int settingId, int value)
+bool SoundTouch::setSetting(int settingId, int value)
 {
     int sampleRate, sequenceMs, seekWindowMs, overlapMs;
 
     // read current tdstretch routine parameters
     pTDStretch->getParameters(&sampleRate, &sequenceMs, &seekWindowMs, &overlapMs);
 
     switch (settingId) 
     {
         case SETTING_USE_AA_FILTER :
             // enables / disabless anti-alias filter
-            pRateTransposer->enableAAFilter((value != 0) ? TRUE : FALSE);
-            return TRUE;
+            pRateTransposer->enableAAFilter((value != 0) ? true : false);
+            return true;
 
         case SETTING_AA_FILTER_LENGTH :
             // sets anti-alias filter length
             pRateTransposer->getAAFilter()->setLength(value);
-            return TRUE;
+            return true;
 
         case SETTING_USE_QUICKSEEK :
             // enables / disables tempo routine quick seeking algorithm
-            pTDStretch->enableQuickSeek((value != 0) ? TRUE : FALSE);
-            return TRUE;
+            pTDStretch->enableQuickSeek((value != 0) ? true : false);
+            return true;
 
         case SETTING_SEQUENCE_MS:
             // change time-stretch sequence duration parameter
             pTDStretch->setParameters(sampleRate, value, seekWindowMs, overlapMs);
-            return TRUE;
+            return true;
 
         case SETTING_SEEKWINDOW_MS:
             // change time-stretch seek window length parameter
             pTDStretch->setParameters(sampleRate, sequenceMs, value, overlapMs);
-            return TRUE;
+            return true;
 
         case SETTING_OVERLAP_MS:
             // change time-stretch overlap length parameter
             pTDStretch->setParameters(sampleRate, sequenceMs, seekWindowMs, value);
-            return TRUE;
+            return true;
 
         default :
-            return FALSE;
+            return false;
     }
 }
 
 
 // Reads a setting controlling the processing system behaviour. See the
 // 'SETTING_...' defines for available setting ID's.
 //
 // Returns the setting value.
--- /src/TDStretch.cpp
+++ /src/TDStretch.cpp
@@ -81,25 +81,25 @@ static const short _scanOffsets[5][24]={
  *
  * Implementation of the class 'TDStretch'
  *
  *****************************************************************************/
 
 
 TDStretch::TDStretch() : FIFOProcessor(&outputBuffer)
 {
-    bQuickSeek = FALSE;
+    bQuickSeek = false;
     channels = 2;
 
     pMidBuffer = NULL;
     pMidBufferUnaligned = NULL;
     overlapLength = 0;
 
-    bAutoSeqSetting = TRUE;
-    bAutoSeekSetting = TRUE;
+    bAutoSeqSetting = true;
+    bAutoSeekSetting = true;
 
 //    outDebt = 0;
     skipFract = 0;
 
     tempo = 1.0f;
     setParameters(44100, DEFAULT_SEQUENCE_MS, DEFAULT_SEEKWINDOW_MS, DEFAULT_OVERLAP_MS);
     setTempo(1.0f);
 
@@ -129,33 +129,33 @@ void TDStretch::setParameters(int aSampl
 {
     // accept only positive parameter values - if zero or negative, use old values instead
     if (aSampleRate > 0)   this->sampleRate = aSampleRate;
     if (aOverlapMS > 0)    this->overlapMs = aOverlapMS;
 
     if (aSequenceMS > 0)
     {
         this->sequenceMs = aSequenceMS;
-        bAutoSeqSetting = FALSE;
+        bAutoSeqSetting = false;
     } 
     else if (aSequenceMS == 0)
     {
         // if zero, use automatic setting
-        bAutoSeqSetting = TRUE;
+        bAutoSeqSetting = true;
     }
 
     if (aSeekWindowMS > 0) 
     {
         this->seekWindowMs = aSeekWindowMS;
-        bAutoSeekSetting = FALSE;
+        bAutoSeekSetting = false;
     } 
     else if (aSeekWindowMS == 0) 
     {
         // if zero, use automatic setting
-        bAutoSeekSetting = TRUE;
+        bAutoSeekSetting = true;
     }
 
     calcSeqParameters();
 
     calculateOverlapLength(overlapMs);
 
     // set tempo to recalculate 'sampleReq'
     setTempo(tempo);
@@ -229,24 +229,24 @@ void TDStretch::clear()
     outputBuffer.clear();
     clearInput();
 }
 
 
 
 // Enables/disables the quick position seeking algorithm. Zero to disable, nonzero
 // to enable
-void TDStretch::enableQuickSeek(BOOL enable)
+void TDStretch::enableQuickSeek(bool enable)
 {
     bQuickSeek = enable;
 }
 
 
 // Returns nonzero if the quick seeking algorithm is enabled.
-BOOL TDStretch::isQuickSeekEnabled() const
+bool TDStretch::isQuickSeekEnabled() const
 {
     return bQuickSeek;
 }
 
 
 // Seeks for the optimal overlap-mixing position.
 int TDStretch::seekBestOverlapPosition(const SAMPLETYPE *refPos)
 {
--- /src/TDStretch.h
+++ /src/TDStretch.h
@@ -120,24 +120,24 @@ protected:
     int seekLength;
     int seekWindowLength;
     int overlapDividerBits;
     int slopingDivider;
     float nominalSkip;
     float skipFract;
     FIFOSampleBuffer outputBuffer;
     FIFOSampleBuffer inputBuffer;
-    BOOL bQuickSeek;
+    bool bQuickSeek;
 
     int sampleRate;
     int sequenceMs;
     int seekWindowMs;
     int overlapMs;
-    BOOL bAutoSeqSetting;
-    BOOL bAutoSeekSetting;
+    bool bAutoSeqSetting;
+    bool bAutoSeekSetting;
 
     void acceptNewOverlapLength(int newOverlapLength);
 
     virtual void clearCrossCorrState();
     void calculateOverlapLength(int overlapMs);
 
     virtual double calcCrossCorr(const SAMPLETYPE *mixingPos, const SAMPLETYPE *compare) const;
 
@@ -188,20 +188,20 @@ public:
     /// Clears the input buffer
     void clearInput();
 
     /// Sets the number of channels, 1 = mono, 2 = stereo
     void setChannels(int numChannels);
 
     /// Enables/disables the quick position seeking algorithm. Zero to disable, 
     /// nonzero to enable
-    void enableQuickSeek(BOOL enable);
+    void enableQuickSeek(bool enable);
 
     /// Returns nonzero if the quick seeking algorithm is enabled.
-    BOOL isQuickSeekEnabled() const;
+    bool isQuickSeekEnabled() const;
 
     /// Sets routine control parameters. These control are certain time constants
     /// defining how the sound is stretched to the desired duration.
     //
     /// 'sampleRate' = sample rate of the sound
     /// 'sequenceMS' = one processing sequence length in milliseconds
     /// 'seekwindowMS' = seeking window length for scanning the best overlapping 
     ///      position