Issue #1949 - Part 1: Update soundtouch library to 2.3.1.

media/libsoundtouch/moz-libsoundtouch.patch

@@ -56,7 +56,7 @@ diff -u /src/cpu_detect_x86.cpp /src/cpu_detect_x86.cpp
 diff -u /src/STTypes.h /src/STTypes.h
 --- /src/STTypes.h
 +++ /src/STTypes.h
-@@ -54,12 +54,13 @@
+@@ -54,12 +54,17 @@
  #define SOUNDTOUCH_ALIGN_POINTER_16(x)      ( ( (ulongptr)(x) + 15 ) & ~(ulongptr)15 )
  
  
@@ -68,9 +68,13 @@ diff -u /src/STTypes.h /src/STTypes.h
 +#include "soundtouch_config.h"
  
 +#if defined(WIN32)
-+#define EXPORT __declspec(dllexport)
++#if defined(BUILDING_SOUNDTOUCH)
++#define SOUNDTOUCH_API __declspec(dllexport)
 +#else
-+#define EXPORT
++#define SOUNDTOUCH_API __declspec(dllimport)
++#endif
++#else
++#define SOUNDTOUCH_API
 +#endif
  
  namespace soundtouch
@@ -83,7 +87,7 @@ diff -u /src/SoundTouch.h /src/SoundTouch.h
  #define SETTING_NOMINAL_OUTPUT_SEQUENCE		7
  
 -class SoundTouch : public FIFOProcessor
-+class EXPORT SoundTouch : public FIFOProcessor
++class SOUNDTOUCH_API SoundTouch : public FIFOProcessor
  {
  private:
      /// Rate transposer class instance
@@ -116,26 +120,17 @@ diff -u /src/TDStretch.cpp /src/TDStretch.cpp
 +#endif
  
      // Check if MMX/SSE instruction set extensions supported by CPU
- 
-diff --git a/media/libsoundtouch/src/AAFilter.cpp b/media/libsoundtouch/src/AAFilter.cpp
---- a/media/libsoundtouch/src/AAFilter.cpp
-+++ b/media/libsoundtouch/src/AAFilter.cpp
-@@ -44,17 +44,17 @@
- #include <assert.h>
- #include <math.h>
- #include <stdlib.h>
- #include "AAFilter.h"
- #include "FIRFilter.h"
+
+diff -u /src/AAFilter.cpp /src/AAFilter.cpp
+--- /src/AAFilter.cpp
++++ /src/AAFilter.cpp
+@@ -42,7 +42,7 @@
  
  using namespace soundtouch;
  
--#define PI        3.141592655357989
+-#define PI       3.14159265358979323846
 +#define PI       M_PI
  #define TWOPI    (2 * PI)
  
  // define this to save AA filter coefficients to a file
- // #define _DEBUG_SAVE_AAFILTER_COEFFICIENTS   1
- 
- #ifdef _DEBUG_SAVE_AAFILTER_COEFFICIENTS
-     #include <stdio.h>