MFTEnum2

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

HRESULT MFTEnum2(
    GUID guidCategory,
    DWORD Flags,
    const MFT_REGISTER_TYPE_INFO* pInputType,   // optional
    const MFT_REGISTER_TYPE_INFO* pOutputType,   // optional
    IMFAttributes* pAttributes,   // optional
    IMFActivate*** pppMFTActivate,
    DWORD* pnumMFTActivate
);

<DllImport("MFPlat.dll", ExactSpelling:=True)>
Public Shared Function MFTEnum2(
    guidCategory As Guid,   ' GUID
    Flags As UInteger,   ' DWORD
    pInputType As IntPtr,   ' MFT_REGISTER_TYPE_INFO* optional
    pOutputType As IntPtr,   ' MFT_REGISTER_TYPE_INFO* optional
    pAttributes As IntPtr,   ' IMFAttributes* optional
    pppMFTActivate As IntPtr,   ' IMFActivate*** out
    <Out> ByRef pnumMFTActivate As UInteger   ' DWORD* out
) As Integer
End Function

' guidCategory : GUID
' Flags : DWORD
' pInputType : MFT_REGISTER_TYPE_INFO* optional
' pOutputType : MFT_REGISTER_TYPE_INFO* optional
' pAttributes : IMFAttributes* optional
' pppMFTActivate : IMFActivate*** out
' pnumMFTActivate : DWORD* out
Declare PtrSafe Function MFTEnum2 Lib "mfplat" ( _
    ByVal guidCategory As LongPtr, _
    ByVal Flags As Long, _
    ByVal pInputType As LongPtr, _
    ByVal pOutputType As LongPtr, _
    ByVal pAttributes As LongPtr, _
    ByVal pppMFTActivate As LongPtr, _
    ByRef pnumMFTActivate 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

MFTEnum2 = ctypes.windll.mfplat.MFTEnum2
MFTEnum2.restype = ctypes.c_int
MFTEnum2.argtypes = [
    ctypes.c_void_p,  # guidCategory : GUID
    wintypes.DWORD,  # Flags : DWORD
    ctypes.c_void_p,  # pInputType : MFT_REGISTER_TYPE_INFO* optional
    ctypes.c_void_p,  # pOutputType : MFT_REGISTER_TYPE_INFO* optional
    ctypes.c_void_p,  # pAttributes : IMFAttributes* optional
    ctypes.c_void_p,  # pppMFTActivate : IMFActivate*** out
    ctypes.POINTER(wintypes.DWORD),  # pnumMFTActivate : DWORD* out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('MFPlat.dll')
MFTEnum2 = Fiddle::Function.new(
  lib['MFTEnum2'],
  [
    Fiddle::TYPE_VOIDP,  # guidCategory : GUID
    -Fiddle::TYPE_INT,  # Flags : DWORD
    Fiddle::TYPE_VOIDP,  # pInputType : MFT_REGISTER_TYPE_INFO* optional
    Fiddle::TYPE_VOIDP,  # pOutputType : MFT_REGISTER_TYPE_INFO* optional
    Fiddle::TYPE_VOIDP,  # pAttributes : IMFAttributes* optional
    Fiddle::TYPE_VOIDP,  # pppMFTActivate : IMFActivate*** out
    Fiddle::TYPE_VOIDP,  # pnumMFTActivate : DWORD* out
  ],
  Fiddle::TYPE_INT)

#[link(name = "mfplat")]
extern "system" {
    fn MFTEnum2(
        guidCategory: GUID,  // GUID
        Flags: u32,  // DWORD
        pInputType: *const MFT_REGISTER_TYPE_INFO,  // MFT_REGISTER_TYPE_INFO* optional
        pOutputType: *const MFT_REGISTER_TYPE_INFO,  // MFT_REGISTER_TYPE_INFO* optional
        pAttributes: *mut core::ffi::c_void,  // IMFAttributes* optional
        pppMFTActivate: *mut *mut *mut core::ffi::c_void,  // IMFActivate*** out
        pnumMFTActivate: *mut u32  // DWORD* out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("MFPlat.dll")]
public static extern int MFTEnum2(Guid guidCategory, uint Flags, IntPtr pInputType, IntPtr pOutputType, IntPtr pAttributes, IntPtr pppMFTActivate, out uint pnumMFTActivate);
"@
$api = Add-Type -MemberDefinition $sig -Name 'MFPlat_MFTEnum2' -Namespace Win32 -PassThru
# $api::MFTEnum2(guidCategory, Flags, pInputType, pOutputType, pAttributes, pppMFTActivate, pnumMFTActivate)

#uselib "MFPlat.dll"
#func global MFTEnum2 "MFTEnum2" sptr, sptr, sptr, sptr, sptr, sptr, sptr
; MFTEnum2 guidCategory, Flags, varptr(pInputType), varptr(pOutputType), pAttributes, pppMFTActivate, varptr(pnumMFTActivate)   ; 戻り値は stat
; guidCategory : GUID -> "sptr"
; Flags : DWORD -> "sptr"
; pInputType : MFT_REGISTER_TYPE_INFO* optional -> "sptr"
; pOutputType : MFT_REGISTER_TYPE_INFO* optional -> "sptr"
; pAttributes : IMFAttributes* optional -> "sptr"
; pppMFTActivate : IMFActivate*** out -> "sptr"
; pnumMFTActivate : DWORD* out -> "sptr"
; ※値渡し構造体は直接渡せません。intにパック、または var で構造体変数を渡してください。
; ※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。

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

var (
	mfplat = windows.NewLazySystemDLL("MFPlat.dll")
	procMFTEnum2 = mfplat.NewProc("MFTEnum2")
)

// guidCategory (GUID), Flags (DWORD), pInputType (MFT_REGISTER_TYPE_INFO* optional), pOutputType (MFT_REGISTER_TYPE_INFO* optional), pAttributes (IMFAttributes* optional), pppMFTActivate (IMFActivate*** out), pnumMFTActivate (DWORD* out)
r1, _, err := procMFTEnum2.Call(
	uintptr(guidCategory),
	uintptr(Flags),
	uintptr(pInputType),
	uintptr(pOutputType),
	uintptr(pAttributes),
	uintptr(pppMFTActivate),
	uintptr(pnumMFTActivate),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HRESULT

function MFTEnum2(
  guidCategory: TGUID;   // GUID
  Flags: DWORD;   // DWORD
  pInputType: Pointer;   // MFT_REGISTER_TYPE_INFO* optional
  pOutputType: Pointer;   // MFT_REGISTER_TYPE_INFO* optional
  pAttributes: Pointer;   // IMFAttributes* optional
  pppMFTActivate: Pointer;   // IMFActivate*** out
  pnumMFTActivate: Pointer   // DWORD* out
): Integer; stdcall;
  external 'MFPlat.dll' name 'MFTEnum2';

result := DllCall("MFPlat\MFTEnum2"
    , "Ptr", guidCategory   ; GUID
    , "UInt", Flags   ; DWORD
    , "Ptr", pInputType   ; MFT_REGISTER_TYPE_INFO* optional
    , "Ptr", pOutputType   ; MFT_REGISTER_TYPE_INFO* optional
    , "Ptr", pAttributes   ; IMFAttributes* optional
    , "Ptr", pppMFTActivate   ; IMFActivate*** out
    , "Ptr", pnumMFTActivate   ; DWORD* out
    , "Int")   ; return: HRESULT

●MFTEnum2(guidCategory, Flags, pInputType, pOutputType, pAttributes, pppMFTActivate, pnumMFTActivate) = DLL("MFPlat.dll", "int MFTEnum2(void*, dword, void*, void*, void*, void*, void*)")
# 呼び出し: MFTEnum2(guidCategory, Flags, pInputType, pOutputType, pAttributes, pppMFTActivate, pnumMFTActivate)
# guidCategory : GUID -> "void*"
# Flags : DWORD -> "dword"
# pInputType : MFT_REGISTER_TYPE_INFO* optional -> "void*"
# pOutputType : MFT_REGISTER_TYPE_INFO* optional -> "void*"
# pAttributes : IMFAttributes* optional -> "void*"
# pppMFTActivate : IMFActivate*** out -> "void*"
# pnumMFTActivate : DWORD* 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)。

const std = @import("std");

extern "mfplat" fn MFTEnum2(
    guidCategory: GUID, // GUID
    Flags: u32, // DWORD
    pInputType: [*c]MFT_REGISTER_TYPE_INFO, // MFT_REGISTER_TYPE_INFO* optional
    pOutputType: [*c]MFT_REGISTER_TYPE_INFO, // MFT_REGISTER_TYPE_INFO* optional
    pAttributes: ?*anyopaque, // IMFAttributes* optional
    pppMFTActivate: ?*anyopaque, // IMFActivate*** out
    pnumMFTActivate: [*c]u32 // DWORD* out
) callconv(std.os.windows.WINAPI) i32;

proc MFTEnum2(
    guidCategory: GUID,  # GUID
    Flags: uint32,  # DWORD
    pInputType: ptr MFT_REGISTER_TYPE_INFO,  # MFT_REGISTER_TYPE_INFO* optional
    pOutputType: ptr MFT_REGISTER_TYPE_INFO,  # MFT_REGISTER_TYPE_INFO* optional
    pAttributes: pointer,  # IMFAttributes* optional
    pppMFTActivate: pointer,  # IMFActivate*** out
    pnumMFTActivate: ptr uint32  # DWORD* out
): int32 {.importc: "MFTEnum2", stdcall, dynlib: "MFPlat.dll".}

pragma(lib, "mfplat");
extern(Windows)
int MFTEnum2(
    GUID guidCategory,   // GUID
    uint Flags,   // DWORD
    MFT_REGISTER_TYPE_INFO* pInputType,   // MFT_REGISTER_TYPE_INFO* optional
    MFT_REGISTER_TYPE_INFO* pOutputType,   // MFT_REGISTER_TYPE_INFO* optional
    void* pAttributes,   // IMFAttributes* optional
    void* pppMFTActivate,   // IMFActivate*** out
    uint* pnumMFTActivate   // DWORD* out
);

ccall((:MFTEnum2, "MFPlat.dll"), stdcall, Int32,
      (GUID, UInt32, Ptr{MFT_REGISTER_TYPE_INFO}, Ptr{MFT_REGISTER_TYPE_INFO}, Ptr{Cvoid}, Ptr{Cvoid}, Ptr{UInt32}),
      guidCategory, Flags, pInputType, pOutputType, pAttributes, pppMFTActivate, pnumMFTActivate)
# guidCategory : GUID -> GUID
# Flags : DWORD -> UInt32
# pInputType : MFT_REGISTER_TYPE_INFO* optional -> Ptr{MFT_REGISTER_TYPE_INFO}
# pOutputType : MFT_REGISTER_TYPE_INFO* optional -> Ptr{MFT_REGISTER_TYPE_INFO}
# pAttributes : IMFAttributes* optional -> Ptr{Cvoid}
# pppMFTActivate : IMFActivate*** out -> Ptr{Cvoid}
# pnumMFTActivate : DWORD* out -> Ptr{UInt32}
# stdcall は 32bit のみ意味を持つ(x64 では無視)。

local ffi = require("ffi")
ffi.cdef[[
int32_t MFTEnum2(
    GUID guidCategory,
    uint32_t Flags,
    void* pInputType,
    void* pOutputType,
    void* pAttributes,
    void* pppMFTActivate,
    uint32_t* pnumMFTActivate);
]]
local mfplat = ffi.load("mfplat")
-- mfplat.MFTEnum2(guidCategory, Flags, pInputType, pOutputType, pAttributes, pppMFTActivate, pnumMFTActivate)
-- guidCategory : GUID
-- Flags : DWORD
-- pInputType : MFT_REGISTER_TYPE_INFO* optional
-- pOutputType : MFT_REGISTER_TYPE_INFO* optional
-- pAttributes : IMFAttributes* optional
-- pppMFTActivate : IMFActivate*** out
-- pnumMFTActivate : DWORD* out
-- 構造体/GUIDへのポインタは cdef が通るよう void* で表記(実型は各引数コメント参照)。値渡し構造体・enum は対応する typedef を cdef に追加すること。

const koffi = require('koffi');
const lib = koffi.load('MFPlat.dll');
const MFTEnum2 = lib.func('__stdcall', 'MFTEnum2', 'int32_t', ['void *', 'uint32_t', 'void *', 'void *', 'void *', 'void *', 'uint32_t *']);
// MFTEnum2(guidCategory, Flags, pInputType, pOutputType, pAttributes, pppMFTActivate, pnumMFTActivate)
// guidCategory : GUID -> 'void *'
// Flags : DWORD -> 'uint32_t'
// pInputType : MFT_REGISTER_TYPE_INFO* optional -> 'void *'
// pOutputType : MFT_REGISTER_TYPE_INFO* optional -> 'void *'
// pAttributes : IMFAttributes* optional -> 'void *'
// pppMFTActivate : IMFActivate*** out -> 'void *'
// pnumMFTActivate : DWORD* out -> 'uint32_t *'
// 出力ポインタは koffi.out(...) で包む。構造体は koffi.struct で定義。

const lib = Deno.dlopen("MFPlat.dll", {
  MFTEnum2: { parameters: ["pointer", "u32", "pointer", "pointer", "pointer", "pointer", "pointer"], result: "i32" },
});
// lib.symbols.MFTEnum2(guidCategory, Flags, pInputType, pOutputType, pAttributes, pppMFTActivate, pnumMFTActivate)
// guidCategory : GUID -> "pointer"
// Flags : DWORD -> "u32"
// pInputType : MFT_REGISTER_TYPE_INFO* optional -> "pointer"
// pOutputType : MFT_REGISTER_TYPE_INFO* optional -> "pointer"
// pAttributes : IMFAttributes* optional -> "pointer"
// pppMFTActivate : IMFActivate*** out -> "pointer"
// pnumMFTActivate : DWORD* out -> "pointer"
// 文字列引数は "buffer"(NUL 終端のバイト列を Uint8Array で渡す)。
// 値渡し構造体は { struct: [ ...field types... ] } を使用。

<?php
$ffi = FFI::cdef(<<<C
int32_t MFTEnum2(
    GUID guidCategory,
    uint32_t Flags,
    void* pInputType,
    void* pOutputType,
    void* pAttributes,
    void* pppMFTActivate,
    uint32_t* pnumMFTActivate);
C, "MFPlat.dll");
// $ffi->MFTEnum2(guidCategory, Flags, pInputType, pOutputType, pAttributes, pppMFTActivate, pnumMFTActivate);
// guidCategory : GUID
// Flags : DWORD
// pInputType : MFT_REGISTER_TYPE_INFO* optional
// pOutputType : MFT_REGISTER_TYPE_INFO* optional
// pAttributes : IMFAttributes* optional
// pppMFTActivate : IMFActivate*** out
// pnumMFTActivate : DWORD* out
// 構造体/GUIDへのポインタは cdef が通るよう void* で表記(実型は各引数コメント参照)。値渡し構造体・enum は対応する typedef を cdef に追加すること。
// WINAPI(stdcall): x64 では呼出規約が統一されるため問題なし。x86 では __stdcall 対応のラッパが必要な場合あり。

import com.sun.jna.*;
import com.sun.jna.ptr.*;
import com.sun.jna.win32.StdCallLibrary;
import com.sun.jna.win32.W32APIOptions;

public interface Mfplat extends StdCallLibrary {
    Mfplat INSTANCE = Native.load("mfplat", Mfplat.class);
    int MFTEnum2(
        Pointer guidCategory,   // GUID
        int Flags,   // DWORD
        Pointer pInputType,   // MFT_REGISTER_TYPE_INFO* optional
        Pointer pOutputType,   // MFT_REGISTER_TYPE_INFO* optional
        Pointer pAttributes,   // IMFAttributes* optional
        Pointer pppMFTActivate,   // IMFActivate*** out
        IntByReference pnumMFTActivate   // DWORD* out
    );
}

@[Link("mfplat")]
lib LibMFPlat
  fun MFTEnum2 = MFTEnum2(
    guidCategory : GUID,   # GUID
    Flags : UInt32,   # DWORD
    pInputType : MFT_REGISTER_TYPE_INFO*,   # MFT_REGISTER_TYPE_INFO* optional
    pOutputType : MFT_REGISTER_TYPE_INFO*,   # MFT_REGISTER_TYPE_INFO* optional
    pAttributes : Void*,   # IMFAttributes* optional
    pppMFTActivate : Void*,   # IMFActivate*** out
    pnumMFTActivate : UInt32*   # DWORD* out
  ) : Int32
end
# 構造体/GUID/enum は lib 内に対応する型定義が必要。
# 呼出規約: x64 は規約統一のため OK。x86(32bit)は WINAPI=stdcall だが Crystal の fun に stdcall 付与構文がなく非対応。

import 'dart:ffi';
import 'package:ffi/ffi.dart';

typedef MFTEnum2Native = Int32 Function(Pointer<Void>, Uint32, Pointer<Void>, Pointer<Void>, Pointer<Void>, Pointer<Void>, Pointer<Uint32>);
typedef MFTEnum2Dart = int Function(Pointer<Void>, int, Pointer<Void>, Pointer<Void>, Pointer<Void>, Pointer<Void>, Pointer<Uint32>);
final MFTEnum2 = DynamicLibrary.open('MFPlat.dll')
    .lookupFunction<MFTEnum2Native, MFTEnum2Dart>('MFTEnum2');
// guidCategory : GUID -> Pointer<Void>
// Flags : DWORD -> Uint32
// pInputType : MFT_REGISTER_TYPE_INFO* optional -> Pointer<Void>
// pOutputType : MFT_REGISTER_TYPE_INFO* optional -> Pointer<Void>
// pAttributes : IMFAttributes* optional -> Pointer<Void>
// pppMFTActivate : IMFActivate*** out -> Pointer<Void>
// pnumMFTActivate : DWORD* out -> Pointer<Uint32>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
function MFTEnum2(
  guidCategory: TGUID;   // GUID
  Flags: DWORD;   // DWORD
  pInputType: Pointer;   // MFT_REGISTER_TYPE_INFO* optional
  pOutputType: Pointer;   // MFT_REGISTER_TYPE_INFO* optional
  pAttributes: Pointer;   // IMFAttributes* optional
  pppMFTActivate: Pointer;   // IMFActivate*** out
  pnumMFTActivate: Pointer   // DWORD* out
): Integer; stdcall;
  external 'MFPlat.dll' name 'MFTEnum2';

import Foreign
import Foreign.C.Types
import Foreign.C.String

foreign import stdcall safe "MFTEnum2"
  c_MFTEnum2 :: Ptr () -> Word32 -> Ptr () -> Ptr () -> Ptr () -> Ptr () -> Ptr Word32 -> IO Int32
-- guidCategory : GUID -> Ptr ()
-- Flags : DWORD -> Word32
-- pInputType : MFT_REGISTER_TYPE_INFO* optional -> Ptr ()
-- pOutputType : MFT_REGISTER_TYPE_INFO* optional -> Ptr ()
-- pAttributes : IMFAttributes* optional -> Ptr ()
-- pppMFTActivate : IMFActivate*** out -> Ptr ()
-- pnumMFTActivate : DWORD* out -> Ptr Word32
-- 要 GHC(Windows)。stdcall は x64 では ccall として扱われる。ブロックする API は safe 呼び出し推奨。
-- ※値渡し構造体は GHC FFI で直接渡せません。Ptr で渡すラッパ(C側)経由にしてください。

open Ctypes
open Foreign

let mftenum2 =
  foreign "MFTEnum2"
    ((ptr void) @-> uint32_t @-> (ptr void) @-> (ptr void) @-> (ptr void) @-> (ptr void) @-> (ptr uint32_t) @-> returning int32_t)
(* guidCategory : GUID -> (ptr void) *)
(* Flags : DWORD -> uint32_t *)
(* pInputType : MFT_REGISTER_TYPE_INFO* optional -> (ptr void) *)
(* pOutputType : MFT_REGISTER_TYPE_INFO* optional -> (ptr void) *)
(* pAttributes : IMFAttributes* optional -> (ptr void) *)
(* pppMFTActivate : IMFActivate*** out -> (ptr void) *)
(* pnumMFTActivate : DWORD* out -> (ptr uint32_t) *)
(* foreign は cdecl 前提。x64 Windows では WINAPI と一致。構造体は ctypes structure を定義のこと。 *)

(cffi:define-foreign-library mfplat (t "MFPlat.dll"))
(cffi:use-foreign-library mfplat)

(cffi:defcfun ("MFTEnum2" mftenum2 :convention :stdcall) :int32
  (guid-category :pointer)   ; GUID
  (flags :uint32)   ; DWORD
  (p-input-type :pointer)   ; MFT_REGISTER_TYPE_INFO* optional
  (p-output-type :pointer)   ; MFT_REGISTER_TYPE_INFO* optional
  (p-attributes :pointer)   ; IMFAttributes* optional
  (ppp-mftactivate :pointer)   ; IMFActivate*** out
  (pnum-mftactivate :pointer))   ; DWORD* out
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。

use Win32::API;
my $MFTEnum2 = Win32::API::More->new('MFPlat',
    'int MFTEnum2(LPVOID guidCategory, DWORD Flags, LPVOID pInputType, LPVOID pOutputType, LPVOID pAttributes, LPVOID pppMFTActivate, LPVOID pnumMFTActivate)');
# my $ret = $MFTEnum2->Call($guidCategory, $Flags, $pInputType, $pOutputType, $pAttributes, $pppMFTActivate, $pnumMFTActivate);
# guidCategory : GUID -> LPVOID
# Flags : DWORD -> DWORD
# pInputType : MFT_REGISTER_TYPE_INFO* optional -> LPVOID
# pOutputType : MFT_REGISTER_TYPE_INFO* optional -> LPVOID
# pAttributes : IMFAttributes* optional -> LPVOID
# pppMFTActivate : IMFActivate*** out -> LPVOID
# pnumMFTActivate : DWORD* out -> LPVOID
# 値渡し構造体は pack() した文字列、または Win32::API::Struct を使用。