XAudio2CreateWithVersionInfo

// XAudio2_8.dll
#include <windows.h>

HRESULT XAudio2CreateWithVersionInfo(
    IXAudio2** ppXAudio2,
    DWORD Flags,
    DWORD XAudio2Processor,
    DWORD ntddiVersion
);

<DllImport("XAudio2_8.dll", ExactSpelling:=True)>
Public Shared Function XAudio2CreateWithVersionInfo(
    ppXAudio2 As IntPtr,   ' IXAudio2** out
    Flags As UInteger,   ' DWORD
    XAudio2Processor As UInteger,   ' DWORD
    ntddiVersion As UInteger   ' DWORD
) As Integer
End Function

' ppXAudio2 : IXAudio2** out
' Flags : DWORD
' XAudio2Processor : DWORD
' ntddiVersion : DWORD
Declare PtrSafe Function XAudio2CreateWithVersionInfo Lib "xaudio2_8" ( _
    ByVal ppXAudio2 As LongPtr, _
    ByVal Flags As Long, _
    ByVal XAudio2Processor As Long, _
    ByVal ntddiVersion As Long) As Long
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

XAudio2CreateWithVersionInfo = ctypes.windll.xaudio2_8.XAudio2CreateWithVersionInfo
XAudio2CreateWithVersionInfo.restype = ctypes.c_int
XAudio2CreateWithVersionInfo.argtypes = [
    ctypes.c_void_p,  # ppXAudio2 : IXAudio2** out
    wintypes.DWORD,  # Flags : DWORD
    wintypes.DWORD,  # XAudio2Processor : DWORD
    wintypes.DWORD,  # ntddiVersion : DWORD
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('XAudio2_8.dll')
XAudio2CreateWithVersionInfo = Fiddle::Function.new(
  lib['XAudio2CreateWithVersionInfo'],
  [
    Fiddle::TYPE_VOIDP,  # ppXAudio2 : IXAudio2** out
    -Fiddle::TYPE_INT,  # Flags : DWORD
    -Fiddle::TYPE_INT,  # XAudio2Processor : DWORD
    -Fiddle::TYPE_INT,  # ntddiVersion : DWORD
  ],
  Fiddle::TYPE_INT)

#[link(name = "xaudio2_8")]
extern "system" {
    fn XAudio2CreateWithVersionInfo(
        ppXAudio2: *mut *mut core::ffi::c_void,  // IXAudio2** out
        Flags: u32,  // DWORD
        XAudio2Processor: u32,  // DWORD
        ntddiVersion: u32  // DWORD
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("XAudio2_8.dll")]
public static extern int XAudio2CreateWithVersionInfo(IntPtr ppXAudio2, uint Flags, uint XAudio2Processor, uint ntddiVersion);
"@
$api = Add-Type -MemberDefinition $sig -Name 'XAudio2_8_XAudio2CreateWithVersionInfo' -Namespace Win32 -PassThru
# $api::XAudio2CreateWithVersionInfo(ppXAudio2, Flags, XAudio2Processor, ntddiVersion)

#uselib "XAudio2_8.dll"
#func global XAudio2CreateWithVersionInfo "XAudio2CreateWithVersionInfo" sptr, sptr, sptr, sptr
; XAudio2CreateWithVersionInfo ppXAudio2, Flags, XAudio2Processor, ntddiVersion   ; 戻り値は stat
; ppXAudio2 : IXAudio2** out -> "sptr"
; Flags : DWORD -> "sptr"
; XAudio2Processor : DWORD -> "sptr"
; ntddiVersion : DWORD -> "sptr"
; ※HSP3.7は #func のため戻り値はシステム変数 stat に格納されます。

#uselib "XAudio2_8.dll"
#cfunc global XAudio2CreateWithVersionInfo "XAudio2CreateWithVersionInfo" sptr, int, int, int
; res = XAudio2CreateWithVersionInfo(ppXAudio2, Flags, XAudio2Processor, ntddiVersion)
; ppXAudio2 : IXAudio2** out -> "sptr"
; Flags : DWORD -> "int"
; XAudio2Processor : DWORD -> "int"
; ntddiVersion : DWORD -> "int"

; HRESULT XAudio2CreateWithVersionInfo(IXAudio2** ppXAudio2, DWORD Flags, DWORD XAudio2Processor, DWORD ntddiVersion)
#uselib "XAudio2_8.dll"
#cfunc global XAudio2CreateWithVersionInfo "XAudio2CreateWithVersionInfo" intptr, int, int, int
; res = XAudio2CreateWithVersionInfo(ppXAudio2, Flags, XAudio2Processor, ntddiVersion)
; ppXAudio2 : IXAudio2** out -> "intptr"
; Flags : DWORD -> "int"
; XAudio2Processor : DWORD -> "int"
; ntddiVersion : DWORD -> "int"

import (
	"golang.org/x/sys/windows"
	"unsafe"
)

var (
	xaudio2_8 = windows.NewLazySystemDLL("XAudio2_8.dll")
	procXAudio2CreateWithVersionInfo = xaudio2_8.NewProc("XAudio2CreateWithVersionInfo")
)

// ppXAudio2 (IXAudio2** out), Flags (DWORD), XAudio2Processor (DWORD), ntddiVersion (DWORD)
r1, _, err := procXAudio2CreateWithVersionInfo.Call(
	uintptr(ppXAudio2),
	uintptr(Flags),
	uintptr(XAudio2Processor),
	uintptr(ntddiVersion),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HRESULT

function XAudio2CreateWithVersionInfo(
  ppXAudio2: Pointer;   // IXAudio2** out
  Flags: DWORD;   // DWORD
  XAudio2Processor: DWORD;   // DWORD
  ntddiVersion: DWORD   // DWORD
): Integer; stdcall;
  external 'XAudio2_8.dll' name 'XAudio2CreateWithVersionInfo';

result := DllCall("XAudio2_8\XAudio2CreateWithVersionInfo"
    , "Ptr", ppXAudio2   ; IXAudio2** out
    , "UInt", Flags   ; DWORD
    , "UInt", XAudio2Processor   ; DWORD
    , "UInt", ntddiVersion   ; DWORD
    , "Int")   ; return: HRESULT

●XAudio2CreateWithVersionInfo(ppXAudio2, Flags, XAudio2Processor, ntddiVersion) = DLL("XAudio2_8.dll", "int XAudio2CreateWithVersionInfo(void*, dword, dword, dword)")
# 呼び出し: XAudio2CreateWithVersionInfo(ppXAudio2, Flags, XAudio2Processor, ntddiVersion)
# ppXAudio2 : IXAudio2** out -> "void*"
# Flags : DWORD -> "dword"
# XAudio2Processor : DWORD -> "dword"
# ntddiVersion : DWORD -> "dword"
# なでしこ1は32bit・ANSI(Shift_JIS)。文字列=char*(ANSI)、ポインタ/ハンドル=void*(4byte)。