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)。

const std = @import("std");

extern "mf" fn MFCreateSequencerSource(
    pReserved: ?*anyopaque, // IUnknown*
    ppSequencerSource: ?*anyopaque // IMFSequencerSource** out
) callconv(std.os.windows.WINAPI) i32;

proc MFCreateSequencerSource(
    pReserved: pointer,  # IUnknown*
    ppSequencerSource: pointer  # IMFSequencerSource** out
): int32 {.importc: "MFCreateSequencerSource", stdcall, dynlib: "MF.dll".}

pragma(lib, "mf");
extern(Windows)
int MFCreateSequencerSource(
    void* pReserved,   // IUnknown*
    void* ppSequencerSource   // IMFSequencerSource** out
);

ccall((:MFCreateSequencerSource, "MF.dll"), stdcall, Int32,
      (Ptr{Cvoid}, Ptr{Cvoid}),
      pReserved, ppSequencerSource)
# pReserved : IUnknown* -> Ptr{Cvoid}
# ppSequencerSource : IMFSequencerSource** 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 MFCreateSequencerSource(
    void* pReserved,
    void* ppSequencerSource);
]]
local mf = ffi.load("mf")
-- mf.MFCreateSequencerSource(pReserved, ppSequencerSource)
-- pReserved : IUnknown*
-- ppSequencerSource : IMFSequencerSource** 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 MFCreateSequencerSource = lib.func('__stdcall', 'MFCreateSequencerSource', 'int32_t', ['void *', 'void *']);
// MFCreateSequencerSource(pReserved, ppSequencerSource)
// pReserved : IUnknown* -> 'void *'
// ppSequencerSource : IMFSequencerSource** 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", {
  MFCreateSequencerSource: { parameters: ["pointer", "pointer"], result: "i32" },
});
// lib.symbols.MFCreateSequencerSource(pReserved, ppSequencerSource)
// pReserved : IUnknown* -> "pointer"
// ppSequencerSource : IMFSequencerSource** 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 MFCreateSequencerSource(
    void* pReserved,
    void* ppSequencerSource);
C, "MF.dll");
// $ffi->MFCreateSequencerSource(pReserved, ppSequencerSource);
// pReserved : IUnknown*
// ppSequencerSource : IMFSequencerSource** 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 MFCreateSequencerSource(
        Pointer pReserved,   // IUnknown*
        Pointer ppSequencerSource   // IMFSequencerSource** out
    );
}

@[Link("mf")]
lib LibMF
  fun MFCreateSequencerSource = MFCreateSequencerSource(
    pReserved : Void*,   # IUnknown*
    ppSequencerSource : Void*   # IMFSequencerSource** 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 MFCreateSequencerSourceNative = Int32 Function(Pointer<Void>, Pointer<Void>);
typedef MFCreateSequencerSourceDart = int Function(Pointer<Void>, Pointer<Void>);
final MFCreateSequencerSource = DynamicLibrary.open('MF.dll')
    .lookupFunction<MFCreateSequencerSourceNative, MFCreateSequencerSourceDart>('MFCreateSequencerSource');
// pReserved : IUnknown* -> Pointer<Void>
// ppSequencerSource : IMFSequencerSource** out -> Pointer<Void>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
function MFCreateSequencerSource(
  pReserved: Pointer;   // IUnknown*
  ppSequencerSource: Pointer   // IMFSequencerSource** out
): Integer; stdcall;
  external 'MF.dll' name 'MFCreateSequencerSource';

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

foreign import stdcall safe "MFCreateSequencerSource"
  c_MFCreateSequencerSource :: Ptr () -> Ptr () -> IO Int32
-- pReserved : IUnknown* -> Ptr ()
-- ppSequencerSource : IMFSequencerSource** 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 mfcreatesequencersource =
  foreign "MFCreateSequencerSource"
    ((ptr void) @-> (ptr void) @-> returning int32_t)
(* pReserved : IUnknown* -> (ptr void) *)
(* ppSequencerSource : IMFSequencerSource** 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 ("MFCreateSequencerSource" mfcreate-sequencer-source :convention :stdcall) :int32
  (p-reserved :pointer)   ; IUnknown*
  (pp-sequencer-source :pointer))   ; IMFSequencerSource** out
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。

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