MFCreateVideoRenderer

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

HRESULT MFCreateVideoRenderer(
    const GUID* riidRenderer,
    void** ppVideoRenderer
);

<DllImport("MF.dll", ExactSpelling:=True)>
Public Shared Function MFCreateVideoRenderer(
    ByRef riidRenderer As Guid,   ' GUID*
    ppVideoRenderer As IntPtr   ' void** out
) As Integer
End Function

' riidRenderer : GUID*
' ppVideoRenderer : void** out
Declare PtrSafe Function MFCreateVideoRenderer Lib "mf" ( _
    ByVal riidRenderer As LongPtr, _
    ByVal ppVideoRenderer 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

MFCreateVideoRenderer = ctypes.windll.mf.MFCreateVideoRenderer
MFCreateVideoRenderer.restype = ctypes.c_int
MFCreateVideoRenderer.argtypes = [
    ctypes.c_void_p,  # riidRenderer : GUID*
    ctypes.c_void_p,  # ppVideoRenderer : void** out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('MF.dll')
MFCreateVideoRenderer = Fiddle::Function.new(
  lib['MFCreateVideoRenderer'],
  [
    Fiddle::TYPE_VOIDP,  # riidRenderer : GUID*
    Fiddle::TYPE_VOIDP,  # ppVideoRenderer : void** out
  ],
  Fiddle::TYPE_INT)

#[link(name = "mf")]
extern "system" {
    fn MFCreateVideoRenderer(
        riidRenderer: *const GUID,  // GUID*
        ppVideoRenderer: *mut *mut ()  // void** out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("MF.dll")]
public static extern int MFCreateVideoRenderer(ref Guid riidRenderer, IntPtr ppVideoRenderer);
"@
$api = Add-Type -MemberDefinition $sig -Name 'MF_MFCreateVideoRenderer' -Namespace Win32 -PassThru
# $api::MFCreateVideoRenderer(riidRenderer, ppVideoRenderer)

#uselib "MF.dll"
#func global MFCreateVideoRenderer "MFCreateVideoRenderer" sptr, sptr
; MFCreateVideoRenderer varptr(riidRenderer), ppVideoRenderer   ; 戻り値は stat
; riidRenderer : GUID* -> "sptr"
; ppVideoRenderer : void** 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 (
	mf = windows.NewLazySystemDLL("MF.dll")
	procMFCreateVideoRenderer = mf.NewProc("MFCreateVideoRenderer")
)

// riidRenderer (GUID*), ppVideoRenderer (void** out)
r1, _, err := procMFCreateVideoRenderer.Call(
	uintptr(riidRenderer),
	uintptr(ppVideoRenderer),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HRESULT

function MFCreateVideoRenderer(
  riidRenderer: PGUID;   // GUID*
  ppVideoRenderer: Pointer   // void** out
): Integer; stdcall;
  external 'MF.dll' name 'MFCreateVideoRenderer';

result := DllCall("MF\MFCreateVideoRenderer"
    , "Ptr", riidRenderer   ; GUID*
    , "Ptr", ppVideoRenderer   ; void** out
    , "Int")   ; return: HRESULT

●MFCreateVideoRenderer(riidRenderer, ppVideoRenderer) = DLL("MF.dll", "int MFCreateVideoRenderer(void*, void*)")
# 呼び出し: MFCreateVideoRenderer(riidRenderer, ppVideoRenderer)
# riidRenderer : GUID* -> "void*"
# ppVideoRenderer : void** 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 "mf" fn MFCreateVideoRenderer(
    riidRenderer: [*c]GUID, // GUID*
    ppVideoRenderer: ?*anyopaque // void** out
) callconv(std.os.windows.WINAPI) i32;

proc MFCreateVideoRenderer(
    riidRenderer: ptr GUID,  # GUID*
    ppVideoRenderer: pointer  # void** out
): int32 {.importc: "MFCreateVideoRenderer", stdcall, dynlib: "MF.dll".}

pragma(lib, "mf");
extern(Windows)
int MFCreateVideoRenderer(
    GUID* riidRenderer,   // GUID*
    void** ppVideoRenderer   // void** out
);

ccall((:MFCreateVideoRenderer, "MF.dll"), stdcall, Int32,
      (Ptr{GUID}, Ptr{Cvoid}),
      riidRenderer, ppVideoRenderer)
# riidRenderer : GUID* -> Ptr{GUID}
# ppVideoRenderer : void** 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 MFCreateVideoRenderer(
    void* riidRenderer,
    void** ppVideoRenderer);
]]
local mf = ffi.load("mf")
-- mf.MFCreateVideoRenderer(riidRenderer, ppVideoRenderer)
-- riidRenderer : GUID*
-- ppVideoRenderer : void** 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('MF.dll');
const MFCreateVideoRenderer = lib.func('__stdcall', 'MFCreateVideoRenderer', 'int32_t', ['void *', 'void *']);
// MFCreateVideoRenderer(riidRenderer, ppVideoRenderer)
// riidRenderer : GUID* -> 'void *'
// ppVideoRenderer : void** 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("MF.dll", {
  MFCreateVideoRenderer: { parameters: ["pointer", "pointer"], result: "i32" },
});
// lib.symbols.MFCreateVideoRenderer(riidRenderer, ppVideoRenderer)
// riidRenderer : GUID* -> "pointer"
// ppVideoRenderer : void** 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 MFCreateVideoRenderer(
    void* riidRenderer,
    void** ppVideoRenderer);
C, "MF.dll");
// $ffi->MFCreateVideoRenderer(riidRenderer, ppVideoRenderer);
// riidRenderer : GUID*
// ppVideoRenderer : void** 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 Mf extends StdCallLibrary {
    Mf INSTANCE = Native.load("mf", Mf.class);
    int MFCreateVideoRenderer(
        Pointer riidRenderer,   // GUID*
        Pointer ppVideoRenderer   // void** out
    );
}

@[Link("mf")]
lib LibMF
  fun MFCreateVideoRenderer = MFCreateVideoRenderer(
    riidRenderer : GUID*,   # GUID*
    ppVideoRenderer : Void**   # void** 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 MFCreateVideoRendererNative = Int32 Function(Pointer<Void>, Pointer<Void>);
typedef MFCreateVideoRendererDart = int Function(Pointer<Void>, Pointer<Void>);
final MFCreateVideoRenderer = DynamicLibrary.open('MF.dll')
    .lookupFunction<MFCreateVideoRendererNative, MFCreateVideoRendererDart>('MFCreateVideoRenderer');
// riidRenderer : GUID* -> Pointer<Void>
// ppVideoRenderer : void** out -> Pointer<Void>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
function MFCreateVideoRenderer(
  riidRenderer: PGUID;   // GUID*
  ppVideoRenderer: Pointer   // void** out
): Integer; stdcall;
  external 'MF.dll' name 'MFCreateVideoRenderer';

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

foreign import stdcall safe "MFCreateVideoRenderer"
  c_MFCreateVideoRenderer :: Ptr () -> Ptr () -> IO Int32
-- riidRenderer : GUID* -> Ptr ()
-- ppVideoRenderer : void** 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 mfcreatevideorenderer =
  foreign "MFCreateVideoRenderer"
    ((ptr void) @-> (ptr void) @-> returning int32_t)
(* riidRenderer : GUID* -> (ptr void) *)
(* ppVideoRenderer : void** 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 mf (t "MF.dll"))
(cffi:use-foreign-library mf)

(cffi:defcfun ("MFCreateVideoRenderer" mfcreate-video-renderer :convention :stdcall) :int32
  (riid-renderer :pointer)   ; GUID*
  (pp-video-renderer :pointer))   ; void** out
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。

use Win32::API;
my $MFCreateVideoRenderer = Win32::API::More->new('MF',
    'int MFCreateVideoRenderer(LPVOID riidRenderer, LPVOID ppVideoRenderer)');
# my $ret = $MFCreateVideoRenderer->Call($riidRenderer, $ppVideoRenderer);
# riidRenderer : GUID* -> LPVOID
# ppVideoRenderer : void** out -> LPVOID
# 値渡し構造体は pack() した文字列、または Win32::API::Struct を使用。