acmStreamOpen

// MSACM32.dll
#include <windows.h>

DWORD acmStreamOpen(
    HACMSTREAM* phas,
    HACMDRIVER had,
    WAVEFORMATEX* pwfxSrc,
    WAVEFORMATEX* pwfxDst,
    WAVEFILTER* pwfltr,
    UINT_PTR dwCallback,
    UINT_PTR dwInstance,
    DWORD fdwOpen
);

<DllImport("MSACM32.dll", ExactSpelling:=True)>
Public Shared Function acmStreamOpen(
    phas As IntPtr,   ' HACMSTREAM* in/out
    had As IntPtr,   ' HACMDRIVER
    pwfxSrc As IntPtr,   ' WAVEFORMATEX* in/out
    pwfxDst As IntPtr,   ' WAVEFORMATEX* in/out
    pwfltr As IntPtr,   ' WAVEFILTER* in/out
    dwCallback As UIntPtr,   ' UINT_PTR
    dwInstance As UIntPtr,   ' UINT_PTR
    fdwOpen As UInteger   ' DWORD
) As UInteger
End Function

' phas : HACMSTREAM* in/out
' had : HACMDRIVER
' pwfxSrc : WAVEFORMATEX* in/out
' pwfxDst : WAVEFORMATEX* in/out
' pwfltr : WAVEFILTER* in/out
' dwCallback : UINT_PTR
' dwInstance : UINT_PTR
' fdwOpen : DWORD
Declare PtrSafe Function acmStreamOpen Lib "msacm32" ( _
    ByVal phas As LongPtr, _
    ByVal had As LongPtr, _
    ByVal pwfxSrc As LongPtr, _
    ByVal pwfxDst As LongPtr, _
    ByVal pwfltr As LongPtr, _
    ByVal dwCallback As LongPtr, _
    ByVal dwInstance As LongPtr, _
    ByVal fdwOpen 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

acmStreamOpen = ctypes.windll.msacm32.acmStreamOpen
acmStreamOpen.restype = wintypes.DWORD
acmStreamOpen.argtypes = [
    ctypes.c_void_p,  # phas : HACMSTREAM* in/out
    wintypes.HANDLE,  # had : HACMDRIVER
    ctypes.c_void_p,  # pwfxSrc : WAVEFORMATEX* in/out
    ctypes.c_void_p,  # pwfxDst : WAVEFORMATEX* in/out
    ctypes.c_void_p,  # pwfltr : WAVEFILTER* in/out
    ctypes.c_size_t,  # dwCallback : UINT_PTR
    ctypes.c_size_t,  # dwInstance : UINT_PTR
    wintypes.DWORD,  # fdwOpen : DWORD
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('MSACM32.dll')
acmStreamOpen = Fiddle::Function.new(
  lib['acmStreamOpen'],
  [
    Fiddle::TYPE_VOIDP,  # phas : HACMSTREAM* in/out
    Fiddle::TYPE_VOIDP,  # had : HACMDRIVER
    Fiddle::TYPE_VOIDP,  # pwfxSrc : WAVEFORMATEX* in/out
    Fiddle::TYPE_VOIDP,  # pwfxDst : WAVEFORMATEX* in/out
    Fiddle::TYPE_VOIDP,  # pwfltr : WAVEFILTER* in/out
    Fiddle::TYPE_UINTPTR_T,  # dwCallback : UINT_PTR
    Fiddle::TYPE_UINTPTR_T,  # dwInstance : UINT_PTR
    -Fiddle::TYPE_INT,  # fdwOpen : DWORD
  ],
  -Fiddle::TYPE_INT)

#[link(name = "msacm32")]
extern "system" {
    fn acmStreamOpen(
        phas: *mut *mut core::ffi::c_void,  // HACMSTREAM* in/out
        had: *mut core::ffi::c_void,  // HACMDRIVER
        pwfxSrc: *mut WAVEFORMATEX,  // WAVEFORMATEX* in/out
        pwfxDst: *mut WAVEFORMATEX,  // WAVEFORMATEX* in/out
        pwfltr: *mut WAVEFILTER,  // WAVEFILTER* in/out
        dwCallback: usize,  // UINT_PTR
        dwInstance: usize,  // UINT_PTR
        fdwOpen: u32  // DWORD
    ) -> u32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("MSACM32.dll")]
public static extern uint acmStreamOpen(IntPtr phas, IntPtr had, IntPtr pwfxSrc, IntPtr pwfxDst, IntPtr pwfltr, UIntPtr dwCallback, UIntPtr dwInstance, uint fdwOpen);
"@
$api = Add-Type -MemberDefinition $sig -Name 'MSACM32_acmStreamOpen' -Namespace Win32 -PassThru
# $api::acmStreamOpen(phas, had, pwfxSrc, pwfxDst, pwfltr, dwCallback, dwInstance, fdwOpen)

#uselib "MSACM32.dll"
#func global acmStreamOpen "acmStreamOpen" sptr, sptr, sptr, sptr, sptr, sptr, sptr, sptr
; acmStreamOpen phas, had, varptr(pwfxSrc), varptr(pwfxDst), varptr(pwfltr), dwCallback, dwInstance, fdwOpen   ; 戻り値は stat
; phas : HACMSTREAM* in/out -> "sptr"
; had : HACMDRIVER -> "sptr"
; pwfxSrc : WAVEFORMATEX* in/out -> "sptr"
; pwfxDst : WAVEFORMATEX* in/out -> "sptr"
; pwfltr : WAVEFILTER* in/out -> "sptr"
; dwCallback : UINT_PTR -> "sptr"
; dwInstance : UINT_PTR -> "sptr"
; fdwOpen : 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 "MSACM32.dll"
#cfunc global acmStreamOpen "acmStreamOpen" sptr, sptr, var, var, var, sptr, sptr, int
; res = acmStreamOpen(phas, had, pwfxSrc, pwfxDst, pwfltr, dwCallback, dwInstance, fdwOpen)
; phas : HACMSTREAM* in/out -> "sptr"
; had : HACMDRIVER -> "sptr"
; pwfxSrc : WAVEFORMATEX* in/out -> "var"
; pwfxDst : WAVEFORMATEX* in/out -> "var"
; pwfltr : WAVEFILTER* in/out -> "var"
; dwCallback : UINT_PTR -> "sptr"
; dwInstance : UINT_PTR -> "sptr"
; fdwOpen : DWORD -> "int"
; ※出力/バッファ引数は var 方式(変数を直接渡す)。varptr 方式にも切替可。

; DWORD acmStreamOpen(HACMSTREAM* phas, HACMDRIVER had, WAVEFORMATEX* pwfxSrc, WAVEFORMATEX* pwfxDst, WAVEFILTER* pwfltr, UINT_PTR dwCallback, UINT_PTR dwInstance, DWORD fdwOpen)
#uselib "MSACM32.dll"
#cfunc global acmStreamOpen "acmStreamOpen" intptr, intptr, var, var, var, intptr, intptr, int
; res = acmStreamOpen(phas, had, pwfxSrc, pwfxDst, pwfltr, dwCallback, dwInstance, fdwOpen)
; phas : HACMSTREAM* in/out -> "intptr"
; had : HACMDRIVER -> "intptr"
; pwfxSrc : WAVEFORMATEX* in/out -> "var"
; pwfxDst : WAVEFORMATEX* in/out -> "var"
; pwfltr : WAVEFILTER* in/out -> "var"
; dwCallback : UINT_PTR -> "intptr"
; dwInstance : UINT_PTR -> "intptr"
; fdwOpen : DWORD -> "int"
; ※出力/バッファ引数は var 方式(変数を直接渡す)。varptr 方式にも切替可。

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

var (
	msacm32 = windows.NewLazySystemDLL("MSACM32.dll")
	procacmStreamOpen = msacm32.NewProc("acmStreamOpen")
)

// phas (HACMSTREAM* in/out), had (HACMDRIVER), pwfxSrc (WAVEFORMATEX* in/out), pwfxDst (WAVEFORMATEX* in/out), pwfltr (WAVEFILTER* in/out), dwCallback (UINT_PTR), dwInstance (UINT_PTR), fdwOpen (DWORD)
r1, _, err := procacmStreamOpen.Call(
	uintptr(phas),
	uintptr(had),
	uintptr(pwfxSrc),
	uintptr(pwfxDst),
	uintptr(pwfltr),
	uintptr(dwCallback),
	uintptr(dwInstance),
	uintptr(fdwOpen),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // DWORD

function acmStreamOpen(
  phas: Pointer;   // HACMSTREAM* in/out
  had: THandle;   // HACMDRIVER
  pwfxSrc: Pointer;   // WAVEFORMATEX* in/out
  pwfxDst: Pointer;   // WAVEFORMATEX* in/out
  pwfltr: Pointer;   // WAVEFILTER* in/out
  dwCallback: NativeUInt;   // UINT_PTR
  dwInstance: NativeUInt;   // UINT_PTR
  fdwOpen: DWORD   // DWORD
): DWORD; stdcall;
  external 'MSACM32.dll' name 'acmStreamOpen';

result := DllCall("MSACM32\acmStreamOpen"
    , "Ptr", phas   ; HACMSTREAM* in/out
    , "Ptr", had   ; HACMDRIVER
    , "Ptr", pwfxSrc   ; WAVEFORMATEX* in/out
    , "Ptr", pwfxDst   ; WAVEFORMATEX* in/out
    , "Ptr", pwfltr   ; WAVEFILTER* in/out
    , "UPtr", dwCallback   ; UINT_PTR
    , "UPtr", dwInstance   ; UINT_PTR
    , "UInt", fdwOpen   ; DWORD
    , "UInt")   ; return: DWORD

●acmStreamOpen(phas, had, pwfxSrc, pwfxDst, pwfltr, dwCallback, dwInstance, fdwOpen) = DLL("MSACM32.dll", "dword acmStreamOpen(void*, void*, void*, void*, void*, int, int, dword)")
# 呼び出し: acmStreamOpen(phas, had, pwfxSrc, pwfxDst, pwfltr, dwCallback, dwInstance, fdwOpen)
# phas : HACMSTREAM* in/out -> "void*"
# had : HACMDRIVER -> "void*"
# pwfxSrc : WAVEFORMATEX* in/out -> "void*"
# pwfxDst : WAVEFORMATEX* in/out -> "void*"
# pwfltr : WAVEFILTER* in/out -> "void*"
# dwCallback : UINT_PTR -> "int"
# dwInstance : UINT_PTR -> "int"
# fdwOpen : 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)。