MFCreateMFByteStreamOnStreamEx

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

HRESULT MFCreateMFByteStreamOnStreamEx(
    IUnknown* punkStream,
    IMFByteStream** ppByteStream
);

<DllImport("MFPlat.dll", ExactSpelling:=True)>
Public Shared Function MFCreateMFByteStreamOnStreamEx(
    punkStream As IntPtr,   ' IUnknown*
    ppByteStream As IntPtr   ' IMFByteStream** out
) As Integer
End Function

' punkStream : IUnknown*
' ppByteStream : IMFByteStream** out
Declare PtrSafe Function MFCreateMFByteStreamOnStreamEx Lib "mfplat" ( _
    ByVal punkStream As LongPtr, _
    ByVal ppByteStream 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

MFCreateMFByteStreamOnStreamEx = ctypes.windll.mfplat.MFCreateMFByteStreamOnStreamEx
MFCreateMFByteStreamOnStreamEx.restype = ctypes.c_int
MFCreateMFByteStreamOnStreamEx.argtypes = [
    ctypes.c_void_p,  # punkStream : IUnknown*
    ctypes.c_void_p,  # ppByteStream : IMFByteStream** out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('MFPlat.dll')
MFCreateMFByteStreamOnStreamEx = Fiddle::Function.new(
  lib['MFCreateMFByteStreamOnStreamEx'],
  [
    Fiddle::TYPE_VOIDP,  # punkStream : IUnknown*
    Fiddle::TYPE_VOIDP,  # ppByteStream : IMFByteStream** out
  ],
  Fiddle::TYPE_INT)

#[link(name = "mfplat")]
extern "system" {
    fn MFCreateMFByteStreamOnStreamEx(
        punkStream: *mut core::ffi::c_void,  // IUnknown*
        ppByteStream: *mut *mut core::ffi::c_void  // IMFByteStream** out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("MFPlat.dll")]
public static extern int MFCreateMFByteStreamOnStreamEx(IntPtr punkStream, IntPtr ppByteStream);
"@
$api = Add-Type -MemberDefinition $sig -Name 'MFPlat_MFCreateMFByteStreamOnStreamEx' -Namespace Win32 -PassThru
# $api::MFCreateMFByteStreamOnStreamEx(punkStream, ppByteStream)

#uselib "MFPlat.dll"
#func global MFCreateMFByteStreamOnStreamEx "MFCreateMFByteStreamOnStreamEx" sptr, sptr
; MFCreateMFByteStreamOnStreamEx punkStream, ppByteStream   ; 戻り値は stat
; punkStream : IUnknown* -> "sptr"
; ppByteStream : IMFByteStream** 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 "MFPlat.dll"
#cfunc global MFCreateMFByteStreamOnStreamEx "MFCreateMFByteStreamOnStreamEx" sptr, sptr
; res = MFCreateMFByteStreamOnStreamEx(punkStream, ppByteStream)
; punkStream : IUnknown* -> "sptr"
; ppByteStream : IMFByteStream** out -> "sptr"

; HRESULT MFCreateMFByteStreamOnStreamEx(IUnknown* punkStream, IMFByteStream** ppByteStream)
#uselib "MFPlat.dll"
#cfunc global MFCreateMFByteStreamOnStreamEx "MFCreateMFByteStreamOnStreamEx" intptr, intptr
; res = MFCreateMFByteStreamOnStreamEx(punkStream, ppByteStream)
; punkStream : IUnknown* -> "intptr"
; ppByteStream : IMFByteStream** out -> "intptr"

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

var (
	mfplat = windows.NewLazySystemDLL("MFPlat.dll")
	procMFCreateMFByteStreamOnStreamEx = mfplat.NewProc("MFCreateMFByteStreamOnStreamEx")
)

// punkStream (IUnknown*), ppByteStream (IMFByteStream** out)
r1, _, err := procMFCreateMFByteStreamOnStreamEx.Call(
	uintptr(punkStream),
	uintptr(ppByteStream),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HRESULT

function MFCreateMFByteStreamOnStreamEx(
  punkStream: Pointer;   // IUnknown*
  ppByteStream: Pointer   // IMFByteStream** out
): Integer; stdcall;
  external 'MFPlat.dll' name 'MFCreateMFByteStreamOnStreamEx';

result := DllCall("MFPlat\MFCreateMFByteStreamOnStreamEx"
    , "Ptr", punkStream   ; IUnknown*
    , "Ptr", ppByteStream   ; IMFByteStream** out
    , "Int")   ; return: HRESULT

●MFCreateMFByteStreamOnStreamEx(punkStream, ppByteStream) = DLL("MFPlat.dll", "int MFCreateMFByteStreamOnStreamEx(void*, void*)")
# 呼び出し: MFCreateMFByteStreamOnStreamEx(punkStream, ppByteStream)
# punkStream : IUnknown* -> "void*"
# ppByteStream : IMFByteStream** 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 MFCreateMFByteStreamOnStreamEx(
    punkStream: ?*anyopaque, // IUnknown*
    ppByteStream: ?*anyopaque // IMFByteStream** out
) callconv(std.os.windows.WINAPI) i32;

proc MFCreateMFByteStreamOnStreamEx(
    punkStream: pointer,  # IUnknown*
    ppByteStream: pointer  # IMFByteStream** out
): int32 {.importc: "MFCreateMFByteStreamOnStreamEx", stdcall, dynlib: "MFPlat.dll".}

pragma(lib, "mfplat");
extern(Windows)
int MFCreateMFByteStreamOnStreamEx(
    void* punkStream,   // IUnknown*
    void* ppByteStream   // IMFByteStream** out
);

ccall((:MFCreateMFByteStreamOnStreamEx, "MFPlat.dll"), stdcall, Int32,
      (Ptr{Cvoid}, Ptr{Cvoid}),
      punkStream, ppByteStream)
# punkStream : IUnknown* -> Ptr{Cvoid}
# ppByteStream : IMFByteStream** 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 MFCreateMFByteStreamOnStreamEx(
    void* punkStream,
    void* ppByteStream);
]]
local mfplat = ffi.load("mfplat")
-- mfplat.MFCreateMFByteStreamOnStreamEx(punkStream, ppByteStream)
-- punkStream : IUnknown*
-- ppByteStream : IMFByteStream** 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 MFCreateMFByteStreamOnStreamEx = lib.func('__stdcall', 'MFCreateMFByteStreamOnStreamEx', 'int32_t', ['void *', 'void *']);
// MFCreateMFByteStreamOnStreamEx(punkStream, ppByteStream)
// punkStream : IUnknown* -> 'void *'
// ppByteStream : IMFByteStream** 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", {
  MFCreateMFByteStreamOnStreamEx: { parameters: ["pointer", "pointer"], result: "i32" },
});
// lib.symbols.MFCreateMFByteStreamOnStreamEx(punkStream, ppByteStream)
// punkStream : IUnknown* -> "pointer"
// ppByteStream : IMFByteStream** 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 MFCreateMFByteStreamOnStreamEx(
    void* punkStream,
    void* ppByteStream);
C, "MFPlat.dll");
// $ffi->MFCreateMFByteStreamOnStreamEx(punkStream, ppByteStream);
// punkStream : IUnknown*
// ppByteStream : IMFByteStream** 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 MFCreateMFByteStreamOnStreamEx(
        Pointer punkStream,   // IUnknown*
        Pointer ppByteStream   // IMFByteStream** out
    );
}

@[Link("mfplat")]
lib LibMFPlat
  fun MFCreateMFByteStreamOnStreamEx = MFCreateMFByteStreamOnStreamEx(
    punkStream : Void*,   # IUnknown*
    ppByteStream : Void*   # IMFByteStream** 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 MFCreateMFByteStreamOnStreamExNative = Int32 Function(Pointer<Void>, Pointer<Void>);
typedef MFCreateMFByteStreamOnStreamExDart = int Function(Pointer<Void>, Pointer<Void>);
final MFCreateMFByteStreamOnStreamEx = DynamicLibrary.open('MFPlat.dll')
    .lookupFunction<MFCreateMFByteStreamOnStreamExNative, MFCreateMFByteStreamOnStreamExDart>('MFCreateMFByteStreamOnStreamEx');
// punkStream : IUnknown* -> Pointer<Void>
// ppByteStream : IMFByteStream** out -> Pointer<Void>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
function MFCreateMFByteStreamOnStreamEx(
  punkStream: Pointer;   // IUnknown*
  ppByteStream: Pointer   // IMFByteStream** out
): Integer; stdcall;
  external 'MFPlat.dll' name 'MFCreateMFByteStreamOnStreamEx';

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

foreign import stdcall safe "MFCreateMFByteStreamOnStreamEx"
  c_MFCreateMFByteStreamOnStreamEx :: Ptr () -> Ptr () -> IO Int32
-- punkStream : IUnknown* -> Ptr ()
-- ppByteStream : IMFByteStream** 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 mfcreatemfbytestreamonstreamex =
  foreign "MFCreateMFByteStreamOnStreamEx"
    ((ptr void) @-> (ptr void) @-> returning int32_t)
(* punkStream : IUnknown* -> (ptr void) *)
(* ppByteStream : IMFByteStream** 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 ("MFCreateMFByteStreamOnStreamEx" mfcreate-mfbyte-stream-on-stream-ex :convention :stdcall) :int32
  (punk-stream :pointer)   ; IUnknown*
  (pp-byte-stream :pointer))   ; IMFByteStream** out
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。

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