diff --git a/contrib/src/sndfile/fetch_and_patch.bat b/contrib/src/sndfile/fetch_and_patch.bat
new file mode 100644
index 0000000000000000000000000000000000000000..333c4b350c88ebaf52600225bde47cc14d6062d3
--- /dev/null
+++ b/contrib/src/sndfile/fetch_and_patch.bat
@@ -0,0 +1,22 @@
+set BUILD=%SRC%..\build
+
+set SNDFILE_VERSION=1.0.25
+set SNDFILE_URL=http://www.mega-nerd.com/libsndfile/files/libsndfile-%SNDFILE_VERSION%.tar.gz
+
+mkdir %BUILD%
+
+if %USE_CACHE%==1 (
+ copy %CACHE_DIR%\libsndfile-%SNDFILE_URL%.tar.gz %cd%
+) else (
+ %WGET_CMD% %SNDFILE_URL%
+)
+
+7z -y x libsndfile-%SNDFILE_VERSION%.tar.gz && 7z -y x libsndfile-%SNDFILE_VERSION%.tar -o%BUILD%
+del libsndfile-%SNDFILE_VERSION%.tar && del libsndfile-%SNDFILE_VERSION%.tar.gz
+rename %BUILD%\libsndfile-%SNDFILE_VERSION% sndfile
+
+cd %BUILD%\sndfile
+
+%APPLY_CMD% %SRC%\sndfile\vs2017.patch
+
+cd %SRC%
\ No newline at end of file
diff --git a/contrib/src/sndfile/vs2017.patch b/contrib/src/sndfile/vs2017.patch
new file mode 100644
index 0000000000000000000000000000000000000000..d59d4659ac9bab7d280ec07cd34929f477fd3cf6
--- /dev/null
+++ b/contrib/src/sndfile/vs2017.patch
@@ -0,0 +1,1265 @@
+--- /dev/null
++++ b/msvc/libsndfile.vcxproj
+@@ -0,0 +1,212 @@
++<?xml version="1.0" encoding="utf-8"?>
++<Project DefaultTargets="Build" ToolsVersion="15.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
++ <ItemGroup Label="ProjectConfigurations">
++ <ProjectConfiguration Include="Debug|Win32">
++ <Configuration>Debug</Configuration>
++ <Platform>Win32</Platform>
++ </ProjectConfiguration>
++ <ProjectConfiguration Include="Release|Win32">
++ <Configuration>Release</Configuration>
++ <Platform>Win32</Platform>
++ </ProjectConfiguration>
++ <ProjectConfiguration Include="Debug|x64">
++ <Configuration>Debug</Configuration>
++ <Platform>x64</Platform>
++ </ProjectConfiguration>
++ <ProjectConfiguration Include="Release|x64">
++ <Configuration>Release</Configuration>
++ <Platform>x64</Platform>
++ </ProjectConfiguration>
++ </ItemGroup>
++ <PropertyGroup Label="Globals">
++ <VCProjectVersion>15.0</VCProjectVersion>
++ <ProjectGuid>{98F6F9C2-48F4-4173-83A2-80550A94CF0D}</ProjectGuid>
++ <RootNamespace>libsndfile</RootNamespace>
++ <WindowsTargetPlatformVersion>10.0.17134.0</WindowsTargetPlatformVersion>
++ </PropertyGroup>
++ <Import Project="$(VCTargetsPath)\Microsoft.Cpp.Default.props" />
++ <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'" Label="Configuration">
++ <ConfigurationType>Application</ConfigurationType>
++ <UseDebugLibraries>true</UseDebugLibraries>
++ <PlatformToolset>v141</PlatformToolset>
++ <CharacterSet>MultiByte</CharacterSet>
++ </PropertyGroup>
++ <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'" Label="Configuration">
++ <ConfigurationType>StaticLibrary</ConfigurationType>
++ <UseDebugLibraries>false</UseDebugLibraries>
++ <PlatformToolset>v141</PlatformToolset>
++ <WholeProgramOptimization>true</WholeProgramOptimization>
++ <CharacterSet>MultiByte</CharacterSet>
++ </PropertyGroup>
++ <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'" Label="Configuration">
++ <ConfigurationType>Application</ConfigurationType>
++ <UseDebugLibraries>true</UseDebugLibraries>
++ <PlatformToolset>v141</PlatformToolset>
++ <CharacterSet>MultiByte</CharacterSet>
++ </PropertyGroup>
++ <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'" Label="Configuration">
++ <ConfigurationType>StaticLibrary</ConfigurationType>
++ <UseDebugLibraries>false</UseDebugLibraries>
++ <PlatformToolset>v141</PlatformToolset>
++ <WholeProgramOptimization>true</WholeProgramOptimization>
++ <CharacterSet>MultiByte</CharacterSet>
++ </PropertyGroup>
++ <Import Project="$(VCTargetsPath)\Microsoft.Cpp.props" />
++ <ImportGroup Label="ExtensionSettings">
++ </ImportGroup>
++ <ImportGroup Label="Shared">
++ </ImportGroup>
++ <ImportGroup Label="PropertySheets" Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">
++ <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
++ </ImportGroup>
++ <ImportGroup Label="PropertySheets" Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">
++ <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
++ </ImportGroup>
++ <ImportGroup Label="PropertySheets" Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">
++ <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
++ </ImportGroup>
++ <ImportGroup Label="PropertySheets" Condition="'$(Configuration)|$(Platform)'=='Release|x64'">
++ <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
++ </ImportGroup>
++ <PropertyGroup Label="UserMacros" />
++ <PropertyGroup />
++ <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">
++ <ClCompile>
++ <WarningLevel>Level3</WarningLevel>
++ <Optimization>Disabled</Optimization>
++ <SDLCheck>true</SDLCheck>
++ <ConformanceMode>true</ConformanceMode>
++ </ClCompile>
++ </ItemDefinitionGroup>
++ <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">
++ <ClCompile>
++ <WarningLevel>Level3</WarningLevel>
++ <Optimization>Disabled</Optimization>
++ <SDLCheck>true</SDLCheck>
++ <ConformanceMode>true</ConformanceMode>
++ </ClCompile>
++ </ItemDefinitionGroup>
++ <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">
++ <ClCompile>
++ <WarningLevel>TurnOffAllWarnings</WarningLevel>
++ <Optimization>MaxSpeed</Optimization>
++ <FunctionLevelLinking>true</FunctionLevelLinking>
++ <IntrinsicFunctions>true</IntrinsicFunctions>
++ <SDLCheck>true</SDLCheck>
++ <ConformanceMode>true</ConformanceMode>
++ <AdditionalIncludeDirectories>$(ProjectDir)../src;$(ProjectDir)../../../../MSVC</AdditionalIncludeDirectories>
++ <PreprocessorDefinitions>_CRT_SECURE_NO_WARNINGS;_MBCS;%(PreprocessorDefinitions)</PreprocessorDefinitions>
++ <DisableSpecificWarnings>4224;%(DisableSpecificWarnings)</DisableSpecificWarnings>
++ </ClCompile>
++ <Link>
++ <EnableCOMDATFolding>true</EnableCOMDATFolding>
++ <OptimizeReferences>true</OptimizeReferences>
++ </Link>
++ </ItemDefinitionGroup>
++ <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'">
++ <ClCompile>
++ <WarningLevel>TurnOffAllWarnings</WarningLevel>
++ <Optimization>MaxSpeed</Optimization>
++ <FunctionLevelLinking>true</FunctionLevelLinking>
++ <IntrinsicFunctions>true</IntrinsicFunctions>
++ <SDLCheck>true</SDLCheck>
++ <ConformanceMode>true</ConformanceMode>
++ <AdditionalIncludeDirectories>$(ProjectDir)../src;$(ProjectDir)../../../../MSVC</AdditionalIncludeDirectories>
++ <PreprocessorDefinitions>_CRT_SECURE_NO_WARNINGS;_MBCS;%(PreprocessorDefinitions)</PreprocessorDefinitions>
++ <DisableSpecificWarnings>4224;%(DisableSpecificWarnings)</DisableSpecificWarnings>
++ </ClCompile>
++ <Link>
++ <EnableCOMDATFolding>true</EnableCOMDATFolding>
++ <OptimizeReferences>true</OptimizeReferences>
++ </Link>
++ </ItemDefinitionGroup>
++ <ItemGroup>
++ <ClCompile Include="..\src\aiff.c" />
++ <ClCompile Include="..\src\alaw.c" />
++ <ClCompile Include="..\src\au.c" />
++ <ClCompile Include="..\src\audio_detect.c" />
++ <ClCompile Include="..\src\avr.c" />
++ <ClCompile Include="..\src\broadcast.c" />
++ <ClCompile Include="..\src\caf.c" />
++ <ClCompile Include="..\src\chanmap.c" />
++ <ClCompile Include="..\src\chunk.c" />
++ <ClCompile Include="..\src\command.c" />
++ <ClCompile Include="..\src\common.c" />
++ <ClCompile Include="..\src\dither.c" />
++ <ClCompile Include="..\src\double64.c" />
++ <ClCompile Include="..\src\dwd.c" />
++ <ClCompile Include="..\src\dwvw.c" />
++ <ClCompile Include="..\src\file_io.c" />
++ <ClCompile Include="..\src\flac.c" />
++ <ClCompile Include="..\src\float32.c" />
++ <ClCompile Include="..\src\g72x.c" />
++ <ClCompile Include="..\src\gsm610.c" />
++ <ClCompile Include="..\src\htk.c" />
++ <ClCompile Include="..\src\id3.c" />
++ <ClCompile Include="..\src\ima_adpcm.c" />
++ <ClCompile Include="..\src\ima_oki_adpcm.c" />
++ <ClCompile Include="..\src\interleave.c" />
++ <ClCompile Include="..\src\ircam.c" />
++ <ClCompile Include="..\src\macbinary3.c" />
++ <ClCompile Include="..\src\macos.c" />
++ <ClCompile Include="..\src\mat4.c" />
++ <ClCompile Include="..\src\mat5.c" />
++ <ClCompile Include="..\src\mpc2k.c" />
++ <ClCompile Include="..\src\ms_adpcm.c" />
++ <ClCompile Include="..\src\nist.c" />
++ <ClCompile Include="..\src\ogg.c" />
++ <ClCompile Include="..\src\ogg_pcm.c" />
++ <ClCompile Include="..\src\ogg_speex.c" />
++ <ClCompile Include="..\src\ogg_vorbis.c" />
++ <ClCompile Include="..\src\paf.c" />
++ <ClCompile Include="..\src\pcm.c" />
++ <ClCompile Include="..\src\pvf.c" />
++ <ClCompile Include="..\src\raw.c" />
++ <ClCompile Include="..\src\rf64.c" />
++ <ClCompile Include="..\src\rx2.c" />
++ <ClCompile Include="..\src\sd2.c" />
++ <ClCompile Include="..\src\sds.c" />
++ <ClCompile Include="..\src\sndfile.c" />
++ <ClCompile Include="..\src\strings.c" />
++ <ClCompile Include="..\src\svx.c" />
++ <ClCompile Include="..\src\test_audio_detect.c" />
++ <ClCompile Include="..\src\test_broadcast_var.c" />
++ <ClCompile Include="..\src\test_conversions.c" />
++ <ClCompile Include="..\src\test_endswap.c" />
++ <ClCompile Include="..\src\test_file_io.c" />
++ <ClCompile Include="..\src\test_float.c" />
++ <ClCompile Include="..\src\test_ima_oki_adpcm.c" />
++ <ClCompile Include="..\src\test_log_printf.c" />
++ <ClCompile Include="..\src\test_main.c" />
++ <ClCompile Include="..\src\test_strncpy_crlf.c" />
++ <ClCompile Include="..\src\txw.c" />
++ <ClCompile Include="..\src\ulaw.c" />
++ <ClCompile Include="..\src\voc.c" />
++ <ClCompile Include="..\src\vox_adpcm.c" />
++ <ClCompile Include="..\src\w64.c" />
++ <ClCompile Include="..\src\wav.c" />
++ <ClCompile Include="..\src\wav_w64.c" />
++ <ClCompile Include="..\src\windows.c" />
++ <ClCompile Include="..\src\wve.c" />
++ <ClCompile Include="..\src\xi.c" />
++ </ItemGroup>
++ <ItemGroup>
++ <None Include="..\src\config.h.in" />
++ <None Include="..\src\sndfile.h.in" />
++ </ItemGroup>
++ <ItemGroup>
++ <ClInclude Include="..\src\chanmap.h" />
++ <ClInclude Include="..\src\common.h" />
++ <ClInclude Include="..\src\ima_oki_adpcm.h" />
++ <ClInclude Include="..\src\ogg.h" />
++ <ClInclude Include="..\src\sfconfig.h" />
++ <ClInclude Include="..\src\sfendian.h" />
++ <ClInclude Include="..\src\sf_unistd.h" />
++ <ClInclude Include="..\src\sndfile.hh" />
++ <ClInclude Include="..\src\test_main.h" />
++ <ClInclude Include="..\src\wav_w64.h" />
++ </ItemGroup>
++ <Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" />
++ <ImportGroup Label="ExtensionTargets">
++ </ImportGroup>
++</Project>
+\ No newline at end of file
+--- a/src/common.c
++++ b/src/common.c
+@@ -23,7 +23,9 @@
+ #include <ctype.h>
+ #include <math.h>
+ #include <time.h>
++#ifndef _MSC_VER
+ #include <sys/time.h>
++#endif
+
+ #include "sndfile.h"
+ #include "sfendian.h"
+--- /dev/null
++++ b/src/config.h
+@@ -0,0 +1,324 @@
++/* src/config.h. Generated from config.h.in by configure. */
++/* src/config.h.in. Generated from configure.ac by autoheader. */
++
++/* Set to 1 if the compile is GNU GCC. */
++#define COMPILER_IS_GCC 0
++
++/* Target processor clips on negative float to int conversion. */
++#define CPU_CLIPS_NEGATIVE 0
++
++/* Target processor clips on positive float to int conversion. */
++#define CPU_CLIPS_POSITIVE 0
++
++/* Target processor is big endian. */
++#define CPU_IS_BIG_ENDIAN 0
++
++/* Target processor is little endian. */
++#define CPU_IS_LITTLE_ENDIAN 1
++
++/* Set to 1 to enable experimental code. */
++#define ENABLE_EXPERIMENTAL_CODE 0
++
++/* Define to 1 if you have the <alsa/asoundlib.h> header file. */
++/* #undef HAVE_ALSA_ASOUNDLIB_H */
++
++/* Define to 1 if you have the <byteswap.h> header file. */
++/* #undef HAVE_BYTESWAP_H */
++
++/* Define to 1 if you have the `calloc' function. */
++#define HAVE_CALLOC 1
++
++/* Define to 1 if you have the `ceil' function. */
++#define HAVE_CEIL 1
++
++/* Set to 1 if S_IRGRP is defined. */
++#define HAVE_DECL_S_IRGRP 1
++
++/* Define to 1 if you have the <dlfcn.h> header file. */
++#define HAVE_DLFCN_H 0
++
++/* Define to 1 if you have the <endian.h> header file. */
++/* #undef HAVE_ENDIAN_H */
++
++/* Will be set to 1 if flac, ogg and vorbis are available. */
++#define HAVE_EXTERNAL_LIBS 0
++
++/* Set to 1 if the compile supports the struct hack. */
++#define HAVE_FLEXIBLE_ARRAY 0
++
++/* Define to 1 if you have the `floor' function. */
++#define HAVE_FLOOR 1
++
++/* Define to 1 if you have the `fmod' function. */
++#define HAVE_FMOD 1
++
++/* Define to 1 if you have the `free' function. */
++#define HAVE_FREE 1
++
++/* Define to 1 if you have the `fstat' function. */
++#define HAVE_FSTAT 1
++
++/* Define to 1 if you have the `fsync' function. */
++#define HAVE_FSYNC 1
++
++/* Define to 1 if you have the `ftruncate' function. */
++#define HAVE_FTRUNCATE 1
++
++/* Define to 1 if you have the `getpagesize' function. */
++#define HAVE_GETPAGESIZE 0
++
++/* Define to 1 if you have the `gettimeofday' function. */
++#define HAVE_GETTIMEOFDAY 0
++
++/* Define to 1 if you have the `gmtime' function. */
++#define HAVE_GMTIME 0
++
++/* Define to 1 if you have the `gmtime_r' function. */
++#define HAVE_GMTIME_R 0
++
++/* Define to 1 if you have the <inttypes.h> header file. */
++#define HAVE_INTTYPES_H 1
++
++/* Define to 1 if you have the `m' library (-lm). */
++#define HAVE_LIBM 0
++
++/* Define to 1 if you have the <locale.h> header file. */
++#define HAVE_LOCALE_H 0
++
++/* Define to 1 if you have the `localtime' function. */
++#define HAVE_LOCALTIME 1
++
++/* Define to 1 if you have the `localtime_r' function. */
++#define HAVE_LOCALTIME_R 1
++
++/* Define if you have C99's lrint function. */
++#define HAVE_LRINT 1
++
++/* Define if you have C99's lrintf function. */
++#define HAVE_LRINTF 1
++
++/* Define to 1 if you have the `lseek' function. */
++#define HAVE_LSEEK 1
++
++/* Define to 1 if you have the `malloc' function. */
++#define HAVE_MALLOC 1
++
++/* Define to 1 if you have the <memory.h> header file. */
++#define HAVE_MEMORY_H 1
++
++/* Define to 1 if you have the `mmap' function. */
++#define HAVE_MMAP 1
++
++/* Define to 1 if you have the `open' function. */
++#define HAVE_OPEN 1
++
++/* Define to 1 if you have the `pipe' function. */
++#define HAVE_PIPE 1
++
++/* Define to 1 if you have the `pread' function. */
++#define HAVE_PREAD 1
++
++/* Define to 1 if you have the `pwrite' function. */
++#define HAVE_PWRITE 1
++
++/* Define to 1 if you have the `read' function. */
++#define HAVE_READ 1
++
++/* Define to 1 if you have the `realloc' function. */
++#define HAVE_REALLOC 1
++
++/* Define to 1 if you have the `setlocale' function. */
++#define HAVE_SETLOCALE 1
++
++/* Define to 1 if you have the <sndio.h> header file. */
++/* #undef HAVE_SNDIO_H */
++
++/* Define to 1 if you have the `snprintf' function. */
++#define HAVE_SNPRINTF 1
++
++/* Set to 1 if you have libsqlite3. */
++#define HAVE_SQLITE3 0
++
++/* Define to 1 if the system has the type `ssize_t'. */
++#define HAVE_SSIZE_T 1
++
++/* Define to 1 if you have the <stdint.h> header file. */
++#define HAVE_STDINT_H 1
++
++/* Define to 1 if you have the <stdlib.h> header file. */
++#define HAVE_STDLIB_H 1
++
++/* Define to 1 if you have the <strings.h> header file. */
++#define HAVE_STRINGS_H 1
++
++/* Define to 1 if you have the <string.h> header file. */
++#define HAVE_STRING_H 1
++
++/* Define to 1 if you have the <sys/stat.h> header file. */
++#define HAVE_SYS_STAT_H 1
++
++/* Define to 1 if you have the <sys/time.h> header file. */
++#define HAVE_SYS_TIME_H 1
++
++/* Define to 1 if you have the <sys/types.h> header file. */
++#define HAVE_SYS_TYPES_H 1
++
++/* Define to 1 if you have <sys/wait.h> that is POSIX.1 compatible. */
++#define HAVE_SYS_WAIT_H 1
++
++/* Define to 1 if you have the <unistd.h> header file. */
++#define HAVE_UNISTD_H 1
++
++/* Define to 1 if you have the `vsnprintf' function. */
++#define HAVE_VSNPRINTF 1
++
++/* Define to 1 if you have the `waitpid' function. */
++#define HAVE_WAITPID 1
++
++/* Define to 1 if you have the `write' function. */
++#define HAVE_WRITE 1
++
++/* Define to the sub-directory where libtool stores uninstalled libraries. */
++#define LT_OBJDIR ".libs/"
++
++/* Set to 1 if compiling for MacOSX */
++#define OS_IS_MACOSX 0
++
++/* Set to 1 if compiling for Win32 */
++#define OS_IS_WIN32 1
++
++/* Name of package */
++#define PACKAGE "libsndfile"
++
++/* Define to the address where bug reports for this package should be sent. */
++#define PACKAGE_BUGREPORT "sndfile@mega-nerd.com"
++
++/* Define to the full name of this package. */
++#define PACKAGE_NAME "libsndfile"
++
++/* Define to the full name and version of this package. */
++#define PACKAGE_STRING "libsndfile 1.0.25"
++
++/* Define to the one symbol short name of this package. */
++#define PACKAGE_TARNAME "libsndfile"
++
++/* Define to the home page for this package. */
++#define PACKAGE_URL "http://www.mega-nerd.com/libsndfile/"
++
++/* Define to the version of this package. */
++#define PACKAGE_VERSION "1.0.25"
++
++/* Set to maximum allowed value of sf_count_t type. */
++#define SF_COUNT_MAX 0x7FFFFFFFFFFFFFFFLL
++
++/* The size of `double', as computed by sizeof. */
++#define SIZEOF_DOUBLE 8
++
++/* The size of `float', as computed by sizeof. */
++#define SIZEOF_FLOAT 4
++
++/* The size of `int', as computed by sizeof. */
++#define SIZEOF_INT 4
++
++/* The size of `int64_t', as computed by sizeof. */
++#define SIZEOF_INT64_T 8
++
++/* The size of `loff_t', as computed by sizeof. */
++/* #undef SIZEOF_LOFF_T */
++
++/* The size of `long', as computed by sizeof. */
++#define SIZEOF_LONG 8
++
++/* The size of `long long', as computed by sizeof. */
++#define SIZEOF_LONG_LONG 8
++
++/* The size of `off64_t', as computed by sizeof. */
++/* #undef SIZEOF_OFF64_T */
++
++/* The size of `off_t', as computed by sizeof. */
++#define SIZEOF_OFF_T 8
++
++/* Set to sizeof (long) if unknown. */
++#define SIZEOF_SF_COUNT_T 8
++
++/* The size of `short', as computed by sizeof. */
++#define SIZEOF_SHORT 2
++
++/* The size of `size_t', as computed by sizeof. */
++#define SIZEOF_SIZE_T 8
++
++/* The size of `ssize_t', as computed by sizeof. */
++#define SIZEOF_SSIZE_T 8
++
++/* The size of `void*', as computed by sizeof. */
++#define SIZEOF_VOIDP 8
++
++/* The size of `wchar_t', as computed by sizeof. */
++#define SIZEOF_WCHAR_T 4
++
++/* Define to 1 if you have the ANSI C header files. */
++#define STDC_HEADERS 1
++
++/* Set to long if unknown. */
++#define TYPEOF_SF_COUNT_T int64_t
++
++/* Enable extensions on AIX 3, Interix. */
++#ifndef _ALL_SOURCE
++# define _ALL_SOURCE 1
++#endif
++/* Enable GNU extensions on systems that have them. */
++#ifndef _GNU_SOURCE
++# define _GNU_SOURCE 1
++#endif
++/* Enable threading extensions on Solaris. */
++#ifndef _POSIX_PTHREAD_SEMANTICS
++# define _POSIX_PTHREAD_SEMANTICS 1
++#endif
++/* Enable extensions on HP NonStop. */
++#ifndef _TANDEM_SOURCE
++# define _TANDEM_SOURCE 1
++#endif
++/* Enable general extensions on Solaris. */
++#ifndef __EXTENSIONS__
++# define __EXTENSIONS__ 1
++#endif
++
++
++/* Set to 1 to use the native windows API */
++#define USE_WINDOWS_API 1
++
++/* Version number of package */
++#define VERSION "1.0.25"
++
++/* Set to 1 if windows DLL is being built. */
++#define WIN32_TARGET_DLL 0
++
++/* Target processor is big endian. */
++#define WORDS_BIGENDIAN 0
++
++#include <BaseTsd.h>
++typedef SSIZE_T ssize_t;
++#define _USE_MATH_DEFINES
++#include <math.h>
++
++/* Number of bits in a file offset, on hosts where this is settable. */
++/* #undef _FILE_OFFSET_BITS */
++
++/* Define to make fseeko etc. visible, on some hosts. */
++/* #undef _LARGEFILE_SOURCE */
++
++/* Define for large files, on AIX-style hosts. */
++/* #undef _LARGE_FILES */
++
++/* Define to 1 if on MINIX. */
++/* #undef _MINIX */
++
++/* Define to 2 if the system does not provide POSIX.1 features except with
++ this defined. */
++/* #undef _POSIX_1_SOURCE */
++
++/* Define to 1 if you need to in order for `stat' and other things to work. */
++/* #undef _POSIX_SOURCE */
++
++/* Set to 1 to use C99 printf/snprintf in MinGW. */
++/* #undef __USE_MINGW_ANSI_STDIO */
+\ No newline at end of file
+--- /dev/null
++++ b/src/sndfile.h
+@@ -0,0 +1,666 @@
++/*
++** Copyright (C) 1999-2011Erik de Castro Lopo <erikd@mega-nerd.com>
++**
++** This program is free software; you can redistribute it and/or modify
++** it under the terms of the GNU Lesser General Public License as published by
++** the Free Software Foundation; either version 2.1 of the License, or
++** (at your option) any later version.
++**
++** This program is distributed in the hope that it will be useful,
++** but WITHOUT ANY WARRANTY; without even the implied warranty of
++** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
++** GNU Lesser General Public License for more details.
++**
++** You should have received a copy of the GNU Lesser General Public License
++** along with this program; if not, write to the Free Software
++** Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
++*/
++
++/*
++** sndfile.h -- system-wide definitions
++**
++** API documentation is in the doc/ directory of the source code tarball
++** and at http://www.mega-nerd.com/libsndfile/api.html.
++*/
++
++#ifndef SNDFILE_H
++#define SNDFILE_H
++
++/* This is the version 1.0.X header file. */
++#define SNDFILE_1
++
++#include <stdio.h>
++#include <sys/types.h>
++
++#ifdef __cplusplus
++extern "C" {
++#endif /* __cplusplus */
++
++/* The following file types can be read and written.
++** A file type would consist of a major type (ie SF_FORMAT_WAV) bitwise
++** ORed with a minor type (ie SF_FORMAT_PCM). SF_FORMAT_TYPEMASK and
++** SF_FORMAT_SUBMASK can be used to separate the major and minor file
++** types.
++*/
++
++enum
++{ /* Major formats. */
++ SF_FORMAT_WAV = 0x010000, /* Microsoft WAV format (little endian default). */
++ SF_FORMAT_AIFF = 0x020000, /* Apple/SGI AIFF format (big endian). */
++ SF_FORMAT_AU = 0x030000, /* Sun/NeXT AU format (big endian). */
++ SF_FORMAT_RAW = 0x040000, /* RAW PCM data. */
++ SF_FORMAT_PAF = 0x050000, /* Ensoniq PARIS file format. */
++ SF_FORMAT_SVX = 0x060000, /* Amiga IFF / SVX8 / SV16 format. */
++ SF_FORMAT_NIST = 0x070000, /* Sphere NIST format. */
++ SF_FORMAT_VOC = 0x080000, /* VOC files. */
++ SF_FORMAT_IRCAM = 0x0A0000, /* Berkeley/IRCAM/CARL */
++ SF_FORMAT_W64 = 0x0B0000, /* Sonic Foundry's 64 bit RIFF/WAV */
++ SF_FORMAT_MAT4 = 0x0C0000, /* Matlab (tm) V4.2 / GNU Octave 2.0 */
++ SF_FORMAT_MAT5 = 0x0D0000, /* Matlab (tm) V5.0 / GNU Octave 2.1 */
++ SF_FORMAT_PVF = 0x0E0000, /* Portable Voice Format */
++ SF_FORMAT_XI = 0x0F0000, /* Fasttracker 2 Extended Instrument */
++ SF_FORMAT_HTK = 0x100000, /* HMM Tool Kit format */
++ SF_FORMAT_SDS = 0x110000, /* Midi Sample Dump Standard */
++ SF_FORMAT_AVR = 0x120000, /* Audio Visual Research */
++ SF_FORMAT_WAVEX = 0x130000, /* MS WAVE with WAVEFORMATEX */
++ SF_FORMAT_SD2 = 0x160000, /* Sound Designer 2 */
++ SF_FORMAT_FLAC = 0x170000, /* FLAC lossless file format */
++ SF_FORMAT_CAF = 0x180000, /* Core Audio File format */
++ SF_FORMAT_WVE = 0x190000, /* Psion WVE format */
++ SF_FORMAT_OGG = 0x200000, /* Xiph OGG container */
++ SF_FORMAT_MPC2K = 0x210000, /* Akai MPC 2000 sampler */
++ SF_FORMAT_RF64 = 0x220000, /* RF64 WAV file */
++
++ /* Subtypes from here on. */
++
++ SF_FORMAT_PCM_S8 = 0x0001, /* Signed 8 bit data */
++ SF_FORMAT_PCM_16 = 0x0002, /* Signed 16 bit data */
++ SF_FORMAT_PCM_24 = 0x0003, /* Signed 24 bit data */
++ SF_FORMAT_PCM_32 = 0x0004, /* Signed 32 bit data */
++
++ SF_FORMAT_PCM_U8 = 0x0005, /* Unsigned 8 bit data (WAV and RAW only) */
++
++ SF_FORMAT_FLOAT = 0x0006, /* 32 bit float data */
++ SF_FORMAT_DOUBLE = 0x0007, /* 64 bit float data */
++
++ SF_FORMAT_ULAW = 0x0010, /* U-Law encoded. */
++ SF_FORMAT_ALAW = 0x0011, /* A-Law encoded. */
++ SF_FORMAT_IMA_ADPCM = 0x0012, /* IMA ADPCM. */
++ SF_FORMAT_MS_ADPCM = 0x0013, /* Microsoft ADPCM. */
++
++ SF_FORMAT_GSM610 = 0x0020, /* GSM 6.10 encoding. */
++ SF_FORMAT_VOX_ADPCM = 0x0021, /* OKI / Dialogix ADPCM */
++
++ SF_FORMAT_G721_32 = 0x0030, /* 32kbs G721 ADPCM encoding. */
++ SF_FORMAT_G723_24 = 0x0031, /* 24kbs G723 ADPCM encoding. */
++ SF_FORMAT_G723_40 = 0x0032, /* 40kbs G723 ADPCM encoding. */
++
++ SF_FORMAT_DWVW_12 = 0x0040, /* 12 bit Delta Width Variable Word encoding. */
++ SF_FORMAT_DWVW_16 = 0x0041, /* 16 bit Delta Width Variable Word encoding. */
++ SF_FORMAT_DWVW_24 = 0x0042, /* 24 bit Delta Width Variable Word encoding. */
++ SF_FORMAT_DWVW_N = 0x0043, /* N bit Delta Width Variable Word encoding. */
++
++ SF_FORMAT_DPCM_8 = 0x0050, /* 8 bit differential PCM (XI only) */
++ SF_FORMAT_DPCM_16 = 0x0051, /* 16 bit differential PCM (XI only) */
++
++ SF_FORMAT_VORBIS = 0x0060, /* Xiph Vorbis encoding. */
++
++ /* Endian-ness options. */
++
++ SF_ENDIAN_FILE = 0x00000000, /* Default file endian-ness. */
++ SF_ENDIAN_LITTLE = 0x10000000, /* Force little endian-ness. */
++ SF_ENDIAN_BIG = 0x20000000, /* Force big endian-ness. */
++ SF_ENDIAN_CPU = 0x30000000, /* Force CPU endian-ness. */
++
++ SF_FORMAT_SUBMASK = 0x0000FFFF,
++ SF_FORMAT_TYPEMASK = 0x0FFF0000,
++ SF_FORMAT_ENDMASK = 0x30000000
++} ;
++
++/*
++** The following are the valid command numbers for the sf_command()
++** interface. The use of these commands is documented in the file
++** command.html in the doc directory of the source code distribution.
++*/
++
++enum
++{ SFC_GET_LIB_VERSION = 0x1000,
++ SFC_GET_LOG_INFO = 0x1001,
++ SFC_GET_CURRENT_SF_INFO = 0x1002,
++
++
++ SFC_GET_NORM_DOUBLE = 0x1010,
++ SFC_GET_NORM_FLOAT = 0x1011,
++ SFC_SET_NORM_DOUBLE = 0x1012,
++ SFC_SET_NORM_FLOAT = 0x1013,
++ SFC_SET_SCALE_FLOAT_INT_READ = 0x1014,
++ SFC_SET_SCALE_INT_FLOAT_WRITE = 0x1015,
++
++ SFC_GET_SIMPLE_FORMAT_COUNT = 0x1020,
++ SFC_GET_SIMPLE_FORMAT = 0x1021,
++
++ SFC_GET_FORMAT_INFO = 0x1028,
++
++ SFC_GET_FORMAT_MAJOR_COUNT = 0x1030,
++ SFC_GET_FORMAT_MAJOR = 0x1031,
++ SFC_GET_FORMAT_SUBTYPE_COUNT = 0x1032,
++ SFC_GET_FORMAT_SUBTYPE = 0x1033,
++
++ SFC_CALC_SIGNAL_MAX = 0x1040,
++ SFC_CALC_NORM_SIGNAL_MAX = 0x1041,
++ SFC_CALC_MAX_ALL_CHANNELS = 0x1042,
++ SFC_CALC_NORM_MAX_ALL_CHANNELS = 0x1043,
++ SFC_GET_SIGNAL_MAX = 0x1044,
++ SFC_GET_MAX_ALL_CHANNELS = 0x1045,
++
++ SFC_SET_ADD_PEAK_CHUNK = 0x1050,
++ SFC_SET_ADD_HEADER_PAD_CHUNK = 0x1051,
++
++ SFC_UPDATE_HEADER_NOW = 0x1060,
++ SFC_SET_UPDATE_HEADER_AUTO = 0x1061,
++
++ SFC_FILE_TRUNCATE = 0x1080,
++
++ SFC_SET_RAW_START_OFFSET = 0x1090,
++
++ SFC_SET_DITHER_ON_WRITE = 0x10A0,
++ SFC_SET_DITHER_ON_READ = 0x10A1,
++
++ SFC_GET_DITHER_INFO_COUNT = 0x10A2,
++ SFC_GET_DITHER_INFO = 0x10A3,
++
++ SFC_GET_EMBED_FILE_INFO = 0x10B0,
++
++ SFC_SET_CLIPPING = 0x10C0,
++ SFC_GET_CLIPPING = 0x10C1,
++
++ SFC_GET_INSTRUMENT = 0x10D0,
++ SFC_SET_INSTRUMENT = 0x10D1,
++
++ SFC_GET_LOOP_INFO = 0x10E0,
++
++ SFC_GET_BROADCAST_INFO = 0x10F0,
++ SFC_SET_BROADCAST_INFO = 0x10F1,
++
++ SFC_GET_CHANNEL_MAP_INFO = 0x1100,
++ SFC_SET_CHANNEL_MAP_INFO = 0x1101,
++
++ SFC_RAW_DATA_NEEDS_ENDSWAP = 0x1110,
++
++ /* Support for Wavex Ambisonics Format */
++ SFC_WAVEX_SET_AMBISONIC = 0x1200,
++ SFC_WAVEX_GET_AMBISONIC = 0x1201,
++
++ SFC_SET_VBR_ENCODING_QUALITY = 0x1300,
++
++ /* Following commands for testing only. */
++ SFC_TEST_IEEE_FLOAT_REPLACE = 0x6001,
++
++ /*
++ ** SFC_SET_ADD_* values are deprecated and will disappear at some
++ ** time in the future. They are guaranteed to be here up to and
++ ** including version 1.0.8 to avoid breakage of existng software.
++ ** They currently do nothing and will continue to do nothing.
++ */
++ SFC_SET_ADD_DITHER_ON_WRITE = 0x1070,
++ SFC_SET_ADD_DITHER_ON_READ = 0x1071
++} ;
++
++
++/*
++** String types that can be set and read from files. Not all file types
++** support this and even the file types which support one, may not support
++** all string types.
++*/
++
++enum
++{ SF_STR_TITLE = 0x01,
++ SF_STR_COPYRIGHT = 0x02,
++ SF_STR_SOFTWARE = 0x03,
++ SF_STR_ARTIST = 0x04,
++ SF_STR_COMMENT = 0x05,
++ SF_STR_DATE = 0x06,
++ SF_STR_ALBUM = 0x07,
++ SF_STR_LICENSE = 0x08,
++ SF_STR_TRACKNUMBER = 0x09,
++ SF_STR_GENRE = 0x10
++} ;
++
++/*
++** Use the following as the start and end index when doing metadata
++** transcoding.
++*/
++
++#define SF_STR_FIRST SF_STR_TITLE
++#define SF_STR_LAST SF_STR_GENRE
++
++enum
++{ /* True and false */
++ SF_FALSE = 0,
++ SF_TRUE = 1,
++
++ /* Modes for opening files. */
++ SFM_READ = 0x10,
++ SFM_WRITE = 0x20,
++ SFM_RDWR = 0x30,
++
++ SF_AMBISONIC_NONE = 0x40,
++ SF_AMBISONIC_B_FORMAT = 0x41
++} ;
++
++/* Public error values. These are guaranteed to remain unchanged for the duration
++** of the library major version number.
++** There are also a large number of private error numbers which are internal to
++** the library which can change at any time.
++*/
++
++enum
++{ SF_ERR_NO_ERROR = 0,
++ SF_ERR_UNRECOGNISED_FORMAT = 1,
++ SF_ERR_SYSTEM = 2,
++ SF_ERR_MALFORMED_FILE = 3,
++ SF_ERR_UNSUPPORTED_ENCODING = 4
++} ;
++
++
++/* Channel map values (used with SFC_SET/GET_CHANNEL_MAP).
++*/
++
++enum
++{ SF_CHANNEL_MAP_INVALID = 0,
++ SF_CHANNEL_MAP_MONO = 1,
++ SF_CHANNEL_MAP_LEFT, /* Apple calls this 'Left' */
++ SF_CHANNEL_MAP_RIGHT, /* Apple calls this 'Right' */
++ SF_CHANNEL_MAP_CENTER, /* Apple calls this 'Center' */
++ SF_CHANNEL_MAP_FRONT_LEFT,
++ SF_CHANNEL_MAP_FRONT_RIGHT,
++ SF_CHANNEL_MAP_FRONT_CENTER,
++ SF_CHANNEL_MAP_REAR_CENTER, /* Apple calls this 'Center Surround', Msft calls this 'Back Center' */
++ SF_CHANNEL_MAP_REAR_LEFT, /* Apple calls this 'Left Surround', Msft calls this 'Back Left' */
++ SF_CHANNEL_MAP_REAR_RIGHT, /* Apple calls this 'Right Surround', Msft calls this 'Back Right' */
++ SF_CHANNEL_MAP_LFE, /* Apple calls this 'LFEScreen', Msft calls this 'Low Frequency' */
++ SF_CHANNEL_MAP_FRONT_LEFT_OF_CENTER, /* Apple calls this 'Left Center' */
++ SF_CHANNEL_MAP_FRONT_RIGHT_OF_CENTER, /* Apple calls this 'Right Center */
++ SF_CHANNEL_MAP_SIDE_LEFT, /* Apple calls this 'Left Surround Direct' */
++ SF_CHANNEL_MAP_SIDE_RIGHT, /* Apple calls this 'Right Surround Direct' */
++ SF_CHANNEL_MAP_TOP_CENTER, /* Apple calls this 'Top Center Surround' */
++ SF_CHANNEL_MAP_TOP_FRONT_LEFT, /* Apple calls this 'Vertical Height Left' */
++ SF_CHANNEL_MAP_TOP_FRONT_RIGHT, /* Apple calls this 'Vertical Height Right' */
++ SF_CHANNEL_MAP_TOP_FRONT_CENTER, /* Apple calls this 'Vertical Height Center' */
++ SF_CHANNEL_MAP_TOP_REAR_LEFT, /* Apple and MS call this 'Top Back Left' */
++ SF_CHANNEL_MAP_TOP_REAR_RIGHT, /* Apple and MS call this 'Top Back Right' */
++ SF_CHANNEL_MAP_TOP_REAR_CENTER, /* Apple and MS call this 'Top Back Center' */
++
++ SF_CHANNEL_MAP_AMBISONIC_B_W,
++ SF_CHANNEL_MAP_AMBISONIC_B_X,
++ SF_CHANNEL_MAP_AMBISONIC_B_Y,
++ SF_CHANNEL_MAP_AMBISONIC_B_Z,
++
++ SF_CHANNEL_MAP_MAX
++} ;
++
++
++/* A SNDFILE* pointer can be passed around much like stdio.h's FILE* pointer. */
++
++typedef struct SNDFILE_tag SNDFILE ;
++
++/* The following typedef is system specific and is defined when libsndfile is
++** compiled. sf_count_t will be a 64 bit value when the underlying OS allows
++** 64 bit file offsets.
++** On windows, we need to allow the same header file to be compiler by both GCC
++** and the Microsoft compiler.
++*/
++
++#if (defined (_MSCVER) || defined (_MSC_VER))
++typedef __int64 sf_count_t ;
++#define SF_COUNT_MAX 0x7fffffffffffffffi64
++#else
++typedef @TYPEOF_SF_COUNT_T@ sf_count_t ;
++#define SF_COUNT_MAX @SF_COUNT_MAX@
++#endif
++
++
++/* A pointer to a SF_INFO structure is passed to sf_open () and filled in.
++** On write, the SF_INFO structure is filled in by the user and passed into
++** sf_open ().
++*/
++
++struct SF_INFO
++{ sf_count_t frames ; /* Used to be called samples. Changed to avoid confusion. */
++ int samplerate ;
++ int channels ;
++ int format ;
++ int sections ;
++ int seekable ;
++} ;
++
++typedef struct SF_INFO SF_INFO ;
++
++/* The SF_FORMAT_INFO struct is used to retrieve information about the sound
++** file formats libsndfile supports using the sf_command () interface.
++**
++** Using this interface will allow applications to support new file formats
++** and encoding types when libsndfile is upgraded, without requiring
++** re-compilation of the application.
++**
++** Please consult the libsndfile documentation (particularly the information
++** on the sf_command () interface) for examples of its use.
++*/
++
++typedef struct
++{ int format ;
++ const char *name ;
++ const char *extension ;
++} SF_FORMAT_INFO ;
++
++/*
++** Enums and typedefs for adding dither on read and write.
++** See the html documentation for sf_command(), SFC_SET_DITHER_ON_WRITE
++** and SFC_SET_DITHER_ON_READ.
++*/
++
++enum
++{ SFD_DEFAULT_LEVEL = 0,
++ SFD_CUSTOM_LEVEL = 0x40000000,
++
++ SFD_NO_DITHER = 500,
++ SFD_WHITE = 501,
++ SFD_TRIANGULAR_PDF = 502
++} ;
++
++typedef struct
++{ int type ;
++ double level ;
++ const char *name ;
++} SF_DITHER_INFO ;
++
++/* Struct used to retrieve information about a file embedded within a
++** larger file. See SFC_GET_EMBED_FILE_INFO.
++*/
++
++typedef struct
++{ sf_count_t offset ;
++ sf_count_t length ;
++} SF_EMBED_FILE_INFO ;
++
++/*
++** Structs used to retrieve music sample information from a file.
++*/
++
++enum
++{ /*
++ ** The loop mode field in SF_INSTRUMENT will be one of the following.
++ */
++ SF_LOOP_NONE = 800,
++ SF_LOOP_FORWARD,
++ SF_LOOP_BACKWARD,
++ SF_LOOP_ALTERNATING
++} ;
++
++typedef struct
++{ int gain ;
++ char basenote, detune ;
++ char velocity_lo, velocity_hi ;
++ char key_lo, key_hi ;
++ int loop_count ;
++
++ struct
++ { int mode ;
++ unsigned int start ;
++ unsigned int end ;
++ unsigned int count ;
++ } loops [16] ; /* make variable in a sensible way */
++} SF_INSTRUMENT ;
++
++
++
++/* Struct used to retrieve loop information from a file.*/
++typedef struct
++{
++ short time_sig_num ; /* any positive integer > 0 */
++ short time_sig_den ; /* any positive power of 2 > 0 */
++ int loop_mode ; /* see SF_LOOP enum */
++
++ int num_beats ; /* this is NOT the amount of quarter notes !!!*/
++ /* a full bar of 4/4 is 4 beats */
++ /* a full bar of 7/8 is 7 beats */
++
++ float bpm ; /* suggestion, as it can be calculated using other fields:*/
++ /* file's lenght, file's sampleRate and our time_sig_den*/
++ /* -> bpms are always the amount of _quarter notes_ per minute */
++
++ int root_key ; /* MIDI note, or -1 for None */
++ int future [6] ;
++} SF_LOOP_INFO ;
++
++
++/* Struct used to retrieve broadcast (EBU) information from a file.
++** Strongly (!) based on EBU "bext" chunk format used in Broadcast WAVE.
++*/
++#define SF_BROADCAST_INFO_VAR(coding_hist_size) \
++ struct \
++ { char description [256] ; \
++ char originator [32] ; \
++ char originator_reference [32] ; \
++ char origination_date [10] ; \
++ char origination_time [8] ; \
++ unsigned int time_reference_low ; \
++ unsigned int time_reference_high ; \
++ short version ; \
++ char umid [64] ; \
++ char reserved [190] ; \
++ unsigned int coding_history_size ; \
++ char coding_history [coding_hist_size] ; \
++ }
++
++/* SF_BROADCAST_INFO is the above struct with coding_history field of 256 bytes. */
++typedef SF_BROADCAST_INFO_VAR (256) SF_BROADCAST_INFO ;
++
++
++/* Virtual I/O functionality. */
++
++typedef sf_count_t (*sf_vio_get_filelen) (void *user_data) ;
++typedef sf_count_t (*sf_vio_seek) (sf_count_t offset, int whence, void *user_data) ;
++typedef sf_count_t (*sf_vio_read) (void *ptr, sf_count_t count, void *user_data) ;
++typedef sf_count_t (*sf_vio_write) (const void *ptr, sf_count_t count, void *user_data) ;
++typedef sf_count_t (*sf_vio_tell) (void *user_data) ;
++
++struct SF_VIRTUAL_IO
++{ sf_vio_get_filelen get_filelen ;
++ sf_vio_seek seek ;
++ sf_vio_read read ;
++ sf_vio_write write ;
++ sf_vio_tell tell ;
++} ;
++
++typedef struct SF_VIRTUAL_IO SF_VIRTUAL_IO ;
++
++
++/* Open the specified file for read, write or both. On error, this will
++** return a NULL pointer. To find the error number, pass a NULL SNDFILE
++** to sf_strerror ().
++** All calls to sf_open() should be matched with a call to sf_close().
++*/
++
++SNDFILE* sf_open (const char *path, int mode, SF_INFO *sfinfo) ;
++
++
++/* Use the existing file descriptor to create a SNDFILE object. If close_desc
++** is TRUE, the file descriptor will be closed when sf_close() is called. If
++** it is FALSE, the descritor will not be closed.
++** When passed a descriptor like this, the library will assume that the start
++** of file header is at the current file offset. This allows sound files within
++** larger container files to be read and/or written.
++** On error, this will return a NULL pointer. To find the error number, pass a
++** NULL SNDFILE to sf_strerror ().
++** All calls to sf_open_fd() should be matched with a call to sf_close().
++
++*/
++
++SNDFILE* sf_open_fd (int fd, int mode, SF_INFO *sfinfo, int close_desc) ;
++
++SNDFILE* sf_open_virtual (SF_VIRTUAL_IO *sfvirtual, int mode, SF_INFO *sfinfo, void *user_data) ;
++
++
++/* sf_error () returns a error number which can be translated to a text
++** string using sf_error_number().
++*/
++
++int sf_error (SNDFILE *sndfile) ;
++
++
++/* sf_strerror () returns to the caller a pointer to the current error message for
++** the given SNDFILE.
++*/
++
++const char* sf_strerror (SNDFILE *sndfile) ;
++
++
++/* sf_error_number () allows the retrieval of the error string for each internal
++** error number.
++**
++*/
++
++const char* sf_error_number (int errnum) ;
++
++
++/* The following two error functions are deprecated but they will remain in the
++** library for the forseeable future. The function sf_strerror() should be used
++** in their place.
++*/
++
++int sf_perror (SNDFILE *sndfile) ;
++int sf_error_str (SNDFILE *sndfile, char* str, size_t len) ;
++
++
++/* Return TRUE if fields of the SF_INFO struct are a valid combination of values. */
++
++int sf_command (SNDFILE *sndfile, int command, void *data, int datasize) ;
++
++
++/* Return TRUE if fields of the SF_INFO struct are a valid combination of values. */
++
++int sf_format_check (const SF_INFO *info) ;
++
++
++/* Seek within the waveform data chunk of the SNDFILE. sf_seek () uses
++** the same values for whence (SEEK_SET, SEEK_CUR and SEEK_END) as
++** stdio.h function fseek ().
++** An offset of zero with whence set to SEEK_SET will position the
++** read / write pointer to the first data sample.
++** On success sf_seek returns the current position in (multi-channel)
++** samples from the start of the file.
++** Please see the libsndfile documentation for moving the read pointer
++** separately from the write pointer on files open in mode SFM_RDWR.
++** On error all of these functions return -1.
++*/
++
++sf_count_t sf_seek (SNDFILE *sndfile, sf_count_t frames, int whence) ;
++
++
++/* Functions for retrieving and setting string data within sound files.
++** Not all file types support this features; AIFF and WAV do. For both
++** functions, the str_type parameter must be one of the SF_STR_* values
++** defined above.
++** On error, sf_set_string() returns non-zero while sf_get_string()
++** returns NULL.
++*/
++
++int sf_set_string (SNDFILE *sndfile, int str_type, const char* str) ;
++
++const char* sf_get_string (SNDFILE *sndfile, int str_type) ;
++
++
++/* Return the library version string. */
++
++const char * sf_version_string (void) ;
++
++
++/* Functions for reading/writing the waveform data of a sound file.
++*/
++
++sf_count_t sf_read_raw (SNDFILE *sndfile, void *ptr, sf_count_t bytes) ;
++sf_count_t sf_write_raw (SNDFILE *sndfile, const void *ptr, sf_count_t bytes) ;
++
++
++/* Functions for reading and writing the data chunk in terms of frames.
++** The number of items actually read/written = frames * number of channels.
++** sf_xxxx_raw read/writes the raw data bytes from/to the file
++** sf_xxxx_short passes data in the native short format
++** sf_xxxx_int passes data in the native int format
++** sf_xxxx_float passes data in the native float format
++** sf_xxxx_double passes data in the native double format
++** All of these read/write function return number of frames read/written.
++*/
++
++sf_count_t sf_readf_short (SNDFILE *sndfile, short *ptr, sf_count_t frames) ;
++sf_count_t sf_writef_short (SNDFILE *sndfile, const short *ptr, sf_count_t frames) ;
++
++sf_count_t sf_readf_int (SNDFILE *sndfile, int *ptr, sf_count_t frames) ;
++sf_count_t sf_writef_int (SNDFILE *sndfile, const int *ptr, sf_count_t frames) ;
++
++sf_count_t sf_readf_float (SNDFILE *sndfile, float *ptr, sf_count_t frames) ;
++sf_count_t sf_writef_float (SNDFILE *sndfile, const float *ptr, sf_count_t frames) ;
++
++sf_count_t sf_readf_double (SNDFILE *sndfile, double *ptr, sf_count_t frames) ;
++sf_count_t sf_writef_double (SNDFILE *sndfile, const double *ptr, sf_count_t frames) ;
++
++
++/* Functions for reading and writing the data chunk in terms of items.
++** Otherwise similar to above.
++** All of these read/write function return number of items read/written.
++*/
++
++sf_count_t sf_read_short (SNDFILE *sndfile, short *ptr, sf_count_t items) ;
++sf_count_t sf_write_short (SNDFILE *sndfile, const short *ptr, sf_count_t items) ;
++
++sf_count_t sf_read_int (SNDFILE *sndfile, int *ptr, sf_count_t items) ;
++sf_count_t sf_write_int (SNDFILE *sndfile, const int *ptr, sf_count_t items) ;
++
++sf_count_t sf_read_float (SNDFILE *sndfile, float *ptr, sf_count_t items) ;
++sf_count_t sf_write_float (SNDFILE *sndfile, const float *ptr, sf_count_t items) ;
++
++sf_count_t sf_read_double (SNDFILE *sndfile, double *ptr, sf_count_t items) ;
++sf_count_t sf_write_double (SNDFILE *sndfile, const double *ptr, sf_count_t items) ;
++
++
++/* Close the SNDFILE and clean up all memory allocations associated with this
++** file.
++** Returns 0 on success, or an error number.
++*/
++
++int sf_close (SNDFILE *sndfile) ;
++
++
++/* If the file is opened SFM_WRITE or SFM_RDWR, call fsync() on the file
++** to force the writing of data to disk. If the file is opened SFM_READ
++** no action is taken.
++*/
++
++void sf_write_sync (SNDFILE *sndfile) ;
++
++
++
++/* The function sf_wchar_open() is Windows Only!
++** Open a file passing in a Windows Unicode filename. Otherwise, this is
++** the same as sf_open().
++**
++** In order for this to work, you need to do the following:
++**
++** #include <windows.h>
++** #define ENABLE_SNDFILE_WINDOWS_PROTOTYPES 1
++** #including <sndfile.h>
++*/
++
++#if (defined (ENABLE_SNDFILE_WINDOWS_PROTOTYPES) && ENABLE_SNDFILE_WINDOWS_PROTOTYPES)
++SNDFILE* sf_wchar_open (LPCWSTR wpath, int mode, SF_INFO *sfinfo) ;
++#endif
++
++
++
++#ifdef __cplusplus
++} /* extern "C" */
++#endif /* __cplusplus */
++
++#endif /* SNDFILE_H */
++
+--- a/src/test_file_io.c
++++ b/src/test_file_io.c
+@@ -64,7 +64,7 @@ file_open_test (const char *filename)
+ psf = &sf_data ;
+
+ /* Ensure that the file doesn't already exist. */
+- if (unlink (filename) != 0 && errno != ENOENT)
++ if (_unlink (filename) != 0 && errno != ENOENT)
+ { printf ("\n\nLine %d: unlink failed (%d) : %s\n\n", __LINE__, errno, strerror (errno)) ;
+ exit (1) ;
+ } ;
+@@ -88,7 +88,7 @@ file_open_test (const char *filename)
+
+ test_close_or_die (psf, __LINE__) ;
+
+- unlink (psf->file.path.c) ;
++ _unlink(psf->file.path.c) ;
+
+ /* Test file open in read/write mode for a non-existant file. */
+ psf->file.mode = SFM_RDWR ;
+@@ -102,7 +102,7 @@ file_open_test (const char *filename)
+
+ test_close_or_die (psf, __LINE__) ;
+
+- unlink (psf->file.path.c) ;
++ _unlink(psf->file.path.c) ;
+ puts ("ok") ;
+ } /* file_open_test */
+
+@@ -433,6 +433,6 @@ test_file_io (void)
+ file_read_write_test (filename) ;
+ file_truncate_test (filename) ;
+
+- unlink (filename) ;
++ _unlink(filename) ;
+ } /* main */
+
+--
+2.10.2.windows.1
+