MFCreateDXGIDeviceManager

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

HRESULT MFCreateDXGIDeviceManager(
    DWORD* resetToken,
    IMFDXGIDeviceManager** ppDeviceManager
);

<DllImport("MFPlat.dll", ExactSpelling:=True)>
Public Shared Function MFCreateDXGIDeviceManager(
    <Out> ByRef resetToken As UInteger,   ' DWORD* out
    ppDeviceManager As IntPtr   ' IMFDXGIDeviceManager** out
) As Integer
End Function

' resetToken : DWORD* out
' ppDeviceManager : IMFDXGIDeviceManager** out
Declare PtrSafe Function MFCreateDXGIDeviceManager Lib "mfplat" ( _
    ByRef resetToken As Long, _
    ByVal ppDeviceManager 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

MFCreateDXGIDeviceManager = ctypes.windll.mfplat.MFCreateDXGIDeviceManager
MFCreateDXGIDeviceManager.restype = ctypes.c_int
MFCreateDXGIDeviceManager.argtypes = [
    ctypes.POINTER(wintypes.DWORD),  # resetToken : DWORD* out
    ctypes.c_void_p,  # ppDeviceManager : IMFDXGIDeviceManager** out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('MFPlat.dll')
MFCreateDXGIDeviceManager = Fiddle::Function.new(
  lib['MFCreateDXGIDeviceManager'],
  [
    Fiddle::TYPE_VOIDP,  # resetToken : DWORD* out
    Fiddle::TYPE_VOIDP,  # ppDeviceManager : IMFDXGIDeviceManager** out
  ],
  Fiddle::TYPE_INT)

#[link(name = "mfplat")]
extern "system" {
    fn MFCreateDXGIDeviceManager(
        resetToken: *mut u32,  // DWORD* out
        ppDeviceManager: *mut *mut core::ffi::c_void  // IMFDXGIDeviceManager** out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("MFPlat.dll")]
public static extern int MFCreateDXGIDeviceManager(out uint resetToken, IntPtr ppDeviceManager);
"@
$api = Add-Type -MemberDefinition $sig -Name 'MFPlat_MFCreateDXGIDeviceManager' -Namespace Win32 -PassThru
# $api::MFCreateDXGIDeviceManager(resetToken, ppDeviceManager)

#uselib "MFPlat.dll"
#func global MFCreateDXGIDeviceManager "MFCreateDXGIDeviceManager" sptr, sptr
; MFCreateDXGIDeviceManager varptr(resetToken), ppDeviceManager   ; 戻り値は stat
; resetToken : DWORD* out -> "sptr"
; ppDeviceManager : IMFDXGIDeviceManager** 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。

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

var (
	mfplat = windows.NewLazySystemDLL("MFPlat.dll")
	procMFCreateDXGIDeviceManager = mfplat.NewProc("MFCreateDXGIDeviceManager")
)

// resetToken (DWORD* out), ppDeviceManager (IMFDXGIDeviceManager** out)
r1, _, err := procMFCreateDXGIDeviceManager.Call(
	uintptr(resetToken),
	uintptr(ppDeviceManager),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HRESULT

function MFCreateDXGIDeviceManager(
  resetToken: Pointer;   // DWORD* out
  ppDeviceManager: Pointer   // IMFDXGIDeviceManager** out
): Integer; stdcall;
  external 'MFPlat.dll' name 'MFCreateDXGIDeviceManager';

result := DllCall("MFPlat\MFCreateDXGIDeviceManager"
    , "Ptr", resetToken   ; DWORD* out
    , "Ptr", ppDeviceManager   ; IMFDXGIDeviceManager** out
    , "Int")   ; return: HRESULT

●MFCreateDXGIDeviceManager(resetToken, ppDeviceManager) = DLL("MFPlat.dll", "int MFCreateDXGIDeviceManager(void*, void*)")
# 呼び出し: MFCreateDXGIDeviceManager(resetToken, ppDeviceManager)
# resetToken : DWORD* out -> "void*"
# ppDeviceManager : IMFDXGIDeviceManager** 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 MFCreateDXGIDeviceManager(
    resetToken: [*c]u32, // DWORD* out
    ppDeviceManager: ?*anyopaque // IMFDXGIDeviceManager** out
) callconv(std.os.windows.WINAPI) i32;

proc MFCreateDXGIDeviceManager(
    resetToken: ptr uint32,  # DWORD* out
    ppDeviceManager: pointer  # IMFDXGIDeviceManager** out
): int32 {.importc: "MFCreateDXGIDeviceManager", stdcall, dynlib: "MFPlat.dll".}

pragma(lib, "mfplat");
extern(Windows)
int MFCreateDXGIDeviceManager(
    uint* resetToken,   // DWORD* out
    void* ppDeviceManager   // IMFDXGIDeviceManager** out
);

ccall((:MFCreateDXGIDeviceManager, "MFPlat.dll"), stdcall, Int32,
      (Ptr{UInt32}, Ptr{Cvoid}),
      resetToken, ppDeviceManager)
# resetToken : DWORD* out -> Ptr{UInt32}
# ppDeviceManager : IMFDXGIDeviceManager** out -> Ptr{Cvoid}
# stdcall は 32bit のみ意味を持つ(x64 では無視)。

local ffi = require("ffi")
ffi.cdef[[
int32_t MFCreateDXGIDeviceManager(
    uint32_t* resetToken,
    void* ppDeviceManager);
]]
local mfplat = ffi.load("mfplat")
-- mfplat.MFCreateDXGIDeviceManager(resetToken, ppDeviceManager)
-- resetToken : DWORD* out
-- ppDeviceManager : IMFDXGIDeviceManager** 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 MFCreateDXGIDeviceManager = lib.func('__stdcall', 'MFCreateDXGIDeviceManager', 'int32_t', ['uint32_t *', 'void *']);
// MFCreateDXGIDeviceManager(resetToken, ppDeviceManager)
// resetToken : DWORD* out -> 'uint32_t *'
// ppDeviceManager : IMFDXGIDeviceManager** out -> 'void *'
// 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", {
  MFCreateDXGIDeviceManager: { parameters: ["pointer", "pointer"], result: "i32" },
});
// lib.symbols.MFCreateDXGIDeviceManager(resetToken, ppDeviceManager)
// resetToken : DWORD* out -> "pointer"
// ppDeviceManager : IMFDXGIDeviceManager** 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 MFCreateDXGIDeviceManager(
    uint32_t* resetToken,
    void* ppDeviceManager);
C, "MFPlat.dll");
// $ffi->MFCreateDXGIDeviceManager(resetToken, ppDeviceManager);
// resetToken : DWORD* out
// ppDeviceManager : IMFDXGIDeviceManager** 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 MFCreateDXGIDeviceManager(
        IntByReference resetToken,   // DWORD* out
        Pointer ppDeviceManager   // IMFDXGIDeviceManager** out
    );
}

@[Link("mfplat")]
lib LibMFPlat
  fun MFCreateDXGIDeviceManager = MFCreateDXGIDeviceManager(
    resetToken : UInt32*,   # DWORD* out
    ppDeviceManager : Void*   # IMFDXGIDeviceManager** 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 MFCreateDXGIDeviceManagerNative = Int32 Function(Pointer<Uint32>, Pointer<Void>);
typedef MFCreateDXGIDeviceManagerDart = int Function(Pointer<Uint32>, Pointer<Void>);
final MFCreateDXGIDeviceManager = DynamicLibrary.open('MFPlat.dll')
    .lookupFunction<MFCreateDXGIDeviceManagerNative, MFCreateDXGIDeviceManagerDart>('MFCreateDXGIDeviceManager');
// resetToken : DWORD* out -> Pointer<Uint32>
// ppDeviceManager : IMFDXGIDeviceManager** out -> Pointer<Void>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
function MFCreateDXGIDeviceManager(
  resetToken: Pointer;   // DWORD* out
  ppDeviceManager: Pointer   // IMFDXGIDeviceManager** out
): Integer; stdcall;
  external 'MFPlat.dll' name 'MFCreateDXGIDeviceManager';

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

foreign import stdcall safe "MFCreateDXGIDeviceManager"
  c_MFCreateDXGIDeviceManager :: Ptr Word32 -> Ptr () -> IO Int32
-- resetToken : DWORD* out -> Ptr Word32
-- ppDeviceManager : IMFDXGIDeviceManager** out -> Ptr ()
-- 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。

open Ctypes
open Foreign

let mfcreatedxgidevicemanager =
  foreign "MFCreateDXGIDeviceManager"
    ((ptr uint32_t) @-> (ptr void) @-> returning int32_t)
(* resetToken : DWORD* out -> (ptr uint32_t) *)
(* ppDeviceManager : IMFDXGIDeviceManager** out -> (ptr void) *)
(* 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 ("MFCreateDXGIDeviceManager" mfcreate-dxgidevice-manager :convention :stdcall) :int32
  (reset-token :pointer)   ; DWORD* out
  (pp-device-manager :pointer))   ; IMFDXGIDeviceManager** out
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。

use Win32::API;
my $MFCreateDXGIDeviceManager = Win32::API::More->new('MFPlat',
    'int MFCreateDXGIDeviceManager(LPVOID resetToken, LPVOID ppDeviceManager)');
# my $ret = $MFCreateDXGIDeviceManager->Call($resetToken, $ppDeviceManager);
# resetToken : DWORD* out -> LPVOID
# ppDeviceManager : IMFDXGIDeviceManager** out -> LPVOID
# 値渡し構造体は pack() した文字列、または Win32::API::Struct を使用。