diff --git a/README.html b/README.html
index 110dd65..fc4c0aa 100644
--- a/README.html
+++ b/README.html
@@ -712,13 +712,23 @@ switch "-bpm" </li>
 <p>Kudos for these people who have contributed to development or
 submitted bugfixes since SoundTouch v1.3.1: </p>
 <ul>
-  <li> Arthur A </li>
-  <li> Richard Ash </li>
-  <li> Stanislav Brabec </li>
-  <li> Christian Budde </li>
-  <li> Brian Cameron </li>
-  <li> Jason Champion </li>
+  <li> Arthur A</li>
+  <li> Richard Ash</li>
+  <li> Stanislav Brabec</li>
+  <li> Christian Budde</li>
+  <li> Jacek Caban</li>
+  <li> Brian Cameron</li>
+  <li> Jason Champion</li>
   <li> David Clark</li>
+  <li> Patrick Colis</li>
+  <li> Miquel Colon</li>
+  <li> Justin Frankel</li>
+  <li> Jason Garland</li>
+  <li> Takashi Iwai</li>
+  <li> Yuval Naveh</li>
+  <li> Paulo Pizarro</li>
+  <li> Blaise Potard</li>
+  <li> RJ Ryan</li>
   <li> Patrick Colis </li>
   <li> Miquel Colon </li>
   <li> Sandro Cumerlato</li>
@@ -732,6 +742,8 @@ submitted bugfixes since SoundTouch v1.3.1: </p>
   <li> RJ Ryan </li>
   <li> John Sheehy</li>
   <li> Tim Shuttleworth</li>
+  <li> John Stumpo</li>
+  <li> Tim Shuttleworth</li>
   <li> Katja Vetter</li>
 </ul>
 <p>Moral greetings to all other contributors and users also!</p>
@@ -749,10 +761,9 @@ General Public License for more details.</p>
 <p>You should have received a copy of the GNU Lesser General Public
 License along with this library; if not, write to the Free Software
 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA</p>
-<hr><!--


-$Id$


--->
+<hr><!--
+$Id$
-->
     <p>
-        <i>README.html file updated on 29-Sep-2012</i></p>
+        <i>README.html file updated on 8-Nov-2012</i></p>
 </body>
 </html>
diff --git a/include/STTypes.h b/include/STTypes.h
index 9ae26ff..c031952 100644
--- a/include/STTypes.h
+++ b/include/STTypes.h
@@ -42,6 +42,18 @@
 typedef unsigned int    uint;
 typedef unsigned long   ulong;
 
+// Patch for MinGW: on Win64 long is 32-bit
+#ifdef _WIN64
+    typedef unsigned long long ulongptr;
+#else
+    typedef ulong ulongptr;
+#endif
+
+
+// Helper macro for aligning pointer up to next 16-byte boundary
+#define SOUNDTOUCH_ALIGN_POINTER_16(x)      ( ( (ulongptr)(x) + 15 ) & ~(ulongptr)15 )
+
+
 #ifdef __GNUC__
     // In GCC, include soundtouch_config.h made by config scritps
     #include "soundtouch_config.h"
diff --git a/source/SoundTouch/FIFOSampleBuffer.cpp b/source/SoundTouch/FIFOSampleBuffer.cpp
index 9e624c9..b3f84cd 100644
--- a/source/SoundTouch/FIFOSampleBuffer.cpp
+++ b/source/SoundTouch/FIFOSampleBuffer.cpp
@@ -177,7 +177,7 @@ void FIFOSampleBuffer::ensureCapacity(uint capacityRequirement)
             ST_THROW_RT_ERROR("Couldn't allocate memory!\n");
         }
         // Align the buffer to begin at 16byte cache line boundary for optimal performance
-        temp = (SAMPLETYPE *)(((ulong)tempUnaligned + 15) & (ulong)-16);
+        temp = (SAMPLETYPE *)SOUNDTOUCH_ALIGN_POINTER_16(tempUnaligned);
         if (samplesInBuffer)
         {
             memcpy(temp, ptrBegin(), samplesInBuffer * channels * sizeof(SAMPLETYPE));
diff --git a/source/SoundTouch/TDStretch.cpp b/source/SoundTouch/TDStretch.cpp
index 54aee42..e272811 100644
--- a/source/SoundTouch/TDStretch.cpp
+++ b/source/SoundTouch/TDStretch.cpp
@@ -590,7 +590,7 @@ void TDStretch::acceptNewOverlapLength(int newOverlapLength)
 
         pMidBufferUnaligned = new SAMPLETYPE[overlapLength * 2 + 16 / sizeof(SAMPLETYPE)];
         // ensure that 'pMidBuffer' is aligned to 16 byte boundary for efficiency
-        pMidBuffer = (SAMPLETYPE *)((((ulong)pMidBufferUnaligned) + 15) & (ulong)-16);
+        pMidBuffer = (SAMPLETYPE *)SOUNDTOUCH_ALIGN_POINTER_16(pMidBufferUnaligned);
 
         clearMidBuffer();
     }
diff --git a/source/SoundTouch/mmx_optimized.cpp b/source/SoundTouch/mmx_optimized.cpp
index 684bad0..a201b14 100644
--- a/source/SoundTouch/mmx_optimized.cpp
+++ b/source/SoundTouch/mmx_optimized.cpp
@@ -239,7 +239,7 @@ void FIRFilterMMX::setCoefficients(const short *coeffs, uint newLength, uint uRe
     // Ensure that filter coeffs array is aligned to 16-byte boundary
     delete[] filterCoeffsUnalign;
     filterCoeffsUnalign = new short[2 * newLength + 8];
-    filterCoeffsAlign = (short *)(((ulong)filterCoeffsUnalign + 15) & -16);
+    filterCoeffsAlign = (short *)SOUNDTOUCH_ALIGN_POINTER_16(filterCoeffsUnalign);
 
     // rearrange the filter coefficients for mmx routines 
     for (i = 0;i < length; i += 4) 
diff --git a/source/SoundTouch/sse_optimized.cpp b/source/SoundTouch/sse_optimized.cpp
index ddafb08..7b4e45d 100644
--- a/source/SoundTouch/sse_optimized.cpp
+++ b/source/SoundTouch/sse_optimized.cpp
@@ -93,7 +93,7 @@ double TDStretchSSE::calcCrossCorr(const float *pV1, const float *pV2) const
 
     #define _MM_LOAD    _mm_load_ps
 
-    if (((ulong)pV1) & 15) return -1e50;    // skip unaligned locations
+    if (((ulongptr)pV1) & 15) return -1e50;    // skip unaligned locations
 
 #else
     // No cheating allowed, use unaligned load & take the resulting
@@ -218,7 +218,7 @@ void FIRFilterSSE::setCoefficients(const float *coeffs, uint newLength, uint uRe
     // Ensure that filter coeffs array is aligned to 16-byte boundary
     delete[] filterCoeffsUnalign;
     filterCoeffsUnalign = new float[2 * newLength + 4];
-    filterCoeffsAlign = (float *)(((unsigned long)filterCoeffsUnalign + 15) & (ulong)-16);
+    filterCoeffsAlign = (float *)SOUNDTOUCH_ALIGN_POINTER_16(filterCoeffsUnalign);
 
     fDivider = (float)resultDivider;
 
@@ -246,7 +246,7 @@ uint FIRFilterSSE::evaluateFilterStereo(float *dest, const float *source, uint n
     assert(dest != NULL);
     assert((length % 8) == 0);
     assert(filterCoeffsAlign != NULL);
-    assert(((ulong)filterCoeffsAlign) % 16 == 0);
+    assert(((ulongptr)filterCoeffsAlign) % 16 == 0);
 
     // filter is evaluated for two stereo samples with each iteration, thus use of 'j += 2'
     for (j = 0; j < count; j += 2)