MFCreateSequencerSource

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

HRESULT MFCreateSequencerSource(
    IUnknown* pReserved,
    IMFSequencerSource** ppSequencerSource
);

<DllImport("MF.dll", ExactSpelling:=True)>
Public Shared Function MFCreateSequencerSource(
    pReserved As IntPtr,   ' IUnknown*
    ppSequencerSource As IntPtr   ' IMFSequencerSource** out
) As Integer
End Function

' pReserved : IUnknown*
' ppSequencerSource : IMFSequencerSource** out
Declare PtrSafe Function MFCreateSequencerSource Lib "mf" ( _
    ByVal pReserved As LongPtr, _
    ByVal ppSequencerSource As LongPtr) As Long
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

MFCreateSequencerSource = ctypes.windll.mf.MFCreateSequencerSource
MFCreateSequencerSource.restype = ctypes.c_int
MFCreateSequencerSource.argtypes = [
    ctypes.c_void_p,  # pReserved : IUnknown*
    ctypes.c_void_p,  # ppSequencerSource : IMFSequencerSource** out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('MF.dll')
MFCreateSequencerSource = Fiddle::Function.new(
  lib['MFCreateSequencerSource'],
  [
    Fiddle::TYPE_VOIDP,  # pReserved : IUnknown*
    Fiddle::TYPE_VOIDP,  # ppSequencerSource : IMFSequencerSource** out
  ],
  Fiddle::TYPE_INT)

#[link(name = "mf")]
extern "system" {
    fn MFCreateSequencerSource(
        pReserved: *mut core::ffi::c_void,  // IUnknown*
        ppSequencerSource: *mut *mut core::ffi::c_void  // IMFSequencerSource** out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("MF.dll")]
public static extern int MFCreateSequencerSource(IntPtr pReserved, IntPtr ppSequencerSource);
"@
$api = Add-Type -MemberDefinition $sig -Name 'MF_MFCreateSequencerSource' -Namespace Win32 -PassThru
# $api::MFCreateSequencerSource(pReserved, ppSequencerSource)

#uselib "MF.dll"
#func global MFCreateSequencerSource "MFCreateSequencerSource" sptr, sptr
; MFCreateSequencerSource pReserved, ppSequencerSource   ; 戻り値は stat
; pReserved : IUnknown* -> "sptr"
; ppSequencerSource : IMFSequencerSource** out -> "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 "MF.dll"
#cfunc global MFCreateSequencerSource "MFCreateSequencerSource" sptr, sptr
; res = MFCreateSequencerSource(pReserved, ppSequencerSource)
; pReserved : IUnknown* -> "sptr"
; ppSequencerSource : IMFSequencerSource** out -> "sptr"

; HRESULT MFCreateSequencerSource(IUnknown* pReserved, IMFSequencerSource** ppSequencerSource)
#uselib "MF.dll"
#cfunc global MFCreateSequencerSource "MFCreateSequencerSource" intptr, intptr
; res = MFCreateSequencerSource(pReserved, ppSequencerSource)
; pReserved : IUnknown* -> "intptr"
; ppSequencerSource : IMFSequencerSource** out -> "intptr"

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

var (
	mf = windows.NewLazySystemDLL("MF.dll")
	procMFCreateSequencerSource = mf.NewProc("MFCreateSequencerSource")
)

// pReserved (IUnknown*), ppSequencerSource (IMFSequencerSource** out)
r1, _, err := procMFCreateSequencerSource.Call(
	uintptr(pReserved),
	uintptr(ppSequencerSource),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HRESULT

function MFCreateSequencerSource(
  pReserved: Pointer;   // IUnknown*
  ppSequencerSource: Pointer   // IMFSequencerSource** out
): Integer; stdcall;
  external 'MF.dll' name 'MFCreateSequencerSource';

result := DllCall("MF\MFCreateSequencerSource"
    , "Ptr", pReserved   ; IUnknown*
    , "Ptr", ppSequencerSource   ; IMFSequencerSource** out
    , "Int")   ; return: HRESULT

●MFCreateSequencerSource(pReserved, ppSequencerSource) = DLL("MF.dll", "int MFCreateSequencerSource(void*, void*)")
# 呼び出し: MFCreateSequencerSource(pReserved, ppSequencerSource)
# pReserved : IUnknown* -> "void*"
# ppSequencerSource : IMFSequencerSource** out -> "void*"
# 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)。