MFDeserializePresentationDescriptor

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

HRESULT MFDeserializePresentationDescriptor(
    DWORD cbData,
    BYTE* pbData,
    IMFPresentationDescriptor** ppPD
);

<DllImport("MFPlat.dll", ExactSpelling:=True)>
Public Shared Function MFDeserializePresentationDescriptor(
    cbData As UInteger,   ' DWORD
    pbData As IntPtr,   ' BYTE*
    ppPD As IntPtr   ' IMFPresentationDescriptor** out
) As Integer
End Function

' cbData : DWORD
' pbData : BYTE*
' ppPD : IMFPresentationDescriptor** out
Declare PtrSafe Function MFDeserializePresentationDescriptor Lib "mfplat" ( _
    ByVal cbData As Long, _
    ByVal pbData As LongPtr, _
    ByVal ppPD 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

MFDeserializePresentationDescriptor = ctypes.windll.mfplat.MFDeserializePresentationDescriptor
MFDeserializePresentationDescriptor.restype = ctypes.c_int
MFDeserializePresentationDescriptor.argtypes = [
    wintypes.DWORD,  # cbData : DWORD
    ctypes.POINTER(ctypes.c_ubyte),  # pbData : BYTE*
    ctypes.c_void_p,  # ppPD : IMFPresentationDescriptor** out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('MFPlat.dll')
MFDeserializePresentationDescriptor = Fiddle::Function.new(
  lib['MFDeserializePresentationDescriptor'],
  [
    -Fiddle::TYPE_INT,  # cbData : DWORD
    Fiddle::TYPE_VOIDP,  # pbData : BYTE*
    Fiddle::TYPE_VOIDP,  # ppPD : IMFPresentationDescriptor** out
  ],
  Fiddle::TYPE_INT)

#[link(name = "mfplat")]
extern "system" {
    fn MFDeserializePresentationDescriptor(
        cbData: u32,  // DWORD
        pbData: *mut u8,  // BYTE*
        ppPD: *mut *mut core::ffi::c_void  // IMFPresentationDescriptor** out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("MFPlat.dll")]
public static extern int MFDeserializePresentationDescriptor(uint cbData, IntPtr pbData, IntPtr ppPD);
"@
$api = Add-Type -MemberDefinition $sig -Name 'MFPlat_MFDeserializePresentationDescriptor' -Namespace Win32 -PassThru
# $api::MFDeserializePresentationDescriptor(cbData, pbData, ppPD)

#uselib "MFPlat.dll"
#func global MFDeserializePresentationDescriptor "MFDeserializePresentationDescriptor" sptr, sptr, sptr
; MFDeserializePresentationDescriptor cbData, varptr(pbData), ppPD   ; 戻り値は stat
; cbData : DWORD -> "sptr"
; pbData : BYTE* -> "sptr"
; ppPD : IMFPresentationDescriptor** 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")
	procMFDeserializePresentationDescriptor = mfplat.NewProc("MFDeserializePresentationDescriptor")
)

// cbData (DWORD), pbData (BYTE*), ppPD (IMFPresentationDescriptor** out)
r1, _, err := procMFDeserializePresentationDescriptor.Call(
	uintptr(cbData),
	uintptr(pbData),
	uintptr(ppPD),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HRESULT

function MFDeserializePresentationDescriptor(
  cbData: DWORD;   // DWORD
  pbData: Pointer;   // BYTE*
  ppPD: Pointer   // IMFPresentationDescriptor** out
): Integer; stdcall;
  external 'MFPlat.dll' name 'MFDeserializePresentationDescriptor';

result := DllCall("MFPlat\MFDeserializePresentationDescriptor"
    , "UInt", cbData   ; DWORD
    , "Ptr", pbData   ; BYTE*
    , "Ptr", ppPD   ; IMFPresentationDescriptor** out
    , "Int")   ; return: HRESULT

●MFDeserializePresentationDescriptor(cbData, pbData, ppPD) = DLL("MFPlat.dll", "int MFDeserializePresentationDescriptor(dword, void*, void*)")
# 呼び出し: MFDeserializePresentationDescriptor(cbData, pbData, ppPD)
# cbData : DWORD -> "dword"
# pbData : BYTE* -> "void*"
# ppPD : IMFPresentationDescriptor** 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 MFDeserializePresentationDescriptor(
    cbData: u32, // DWORD
    pbData: [*c]u8, // BYTE*
    ppPD: ?*anyopaque // IMFPresentationDescriptor** out
) callconv(std.os.windows.WINAPI) i32;

proc MFDeserializePresentationDescriptor(
    cbData: uint32,  # DWORD
    pbData: ptr uint8,  # BYTE*
    ppPD: pointer  # IMFPresentationDescriptor** out
): int32 {.importc: "MFDeserializePresentationDescriptor", stdcall, dynlib: "MFPlat.dll".}

pragma(lib, "mfplat");
extern(Windows)
int MFDeserializePresentationDescriptor(
    uint cbData,   // DWORD
    ubyte* pbData,   // BYTE*
    void* ppPD   // IMFPresentationDescriptor** out
);

ccall((:MFDeserializePresentationDescriptor, "MFPlat.dll"), stdcall, Int32,
      (UInt32, Ptr{UInt8}, Ptr{Cvoid}),
      cbData, pbData, ppPD)
# cbData : DWORD -> UInt32
# pbData : BYTE* -> Ptr{UInt8}
# ppPD : IMFPresentationDescriptor** 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 MFDeserializePresentationDescriptor(
    uint32_t cbData,
    uint8_t* pbData,
    void* ppPD);
]]
local mfplat = ffi.load("mfplat")
-- mfplat.MFDeserializePresentationDescriptor(cbData, pbData, ppPD)
-- cbData : DWORD
-- pbData : BYTE*
-- ppPD : IMFPresentationDescriptor** 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 MFDeserializePresentationDescriptor = lib.func('__stdcall', 'MFDeserializePresentationDescriptor', 'int32_t', ['uint32_t', 'uint8_t *', 'void *']);
// MFDeserializePresentationDescriptor(cbData, pbData, ppPD)
// cbData : DWORD -> 'uint32_t'
// pbData : BYTE* -> 'uint8_t *'
// ppPD : IMFPresentationDescriptor** 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", {
  MFDeserializePresentationDescriptor: { parameters: ["u32", "pointer", "pointer"], result: "i32" },
});
// lib.symbols.MFDeserializePresentationDescriptor(cbData, pbData, ppPD)
// cbData : DWORD -> "u32"
// pbData : BYTE* -> "pointer"
// ppPD : IMFPresentationDescriptor** 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 MFDeserializePresentationDescriptor(
    uint32_t cbData,
    uint8_t* pbData,
    void* ppPD);
C, "MFPlat.dll");
// $ffi->MFDeserializePresentationDescriptor(cbData, pbData, ppPD);
// cbData : DWORD
// pbData : BYTE*
// ppPD : IMFPresentationDescriptor** 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 MFDeserializePresentationDescriptor(
        int cbData,   // DWORD
        byte[] pbData,   // BYTE*
        Pointer ppPD   // IMFPresentationDescriptor** out
    );
}

@[Link("mfplat")]
lib LibMFPlat
  fun MFDeserializePresentationDescriptor = MFDeserializePresentationDescriptor(
    cbData : UInt32,   # DWORD
    pbData : UInt8*,   # BYTE*
    ppPD : Void*   # IMFPresentationDescriptor** 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 MFDeserializePresentationDescriptorNative = Int32 Function(Uint32, Pointer<Uint8>, Pointer<Void>);
typedef MFDeserializePresentationDescriptorDart = int Function(int, Pointer<Uint8>, Pointer<Void>);
final MFDeserializePresentationDescriptor = DynamicLibrary.open('MFPlat.dll')
    .lookupFunction<MFDeserializePresentationDescriptorNative, MFDeserializePresentationDescriptorDart>('MFDeserializePresentationDescriptor');
// cbData : DWORD -> Uint32
// pbData : BYTE* -> Pointer<Uint8>
// ppPD : IMFPresentationDescriptor** out -> Pointer<Void>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
function MFDeserializePresentationDescriptor(
  cbData: DWORD;   // DWORD
  pbData: Pointer;   // BYTE*
  ppPD: Pointer   // IMFPresentationDescriptor** out
): Integer; stdcall;
  external 'MFPlat.dll' name 'MFDeserializePresentationDescriptor';

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

foreign import stdcall safe "MFDeserializePresentationDescriptor"
  c_MFDeserializePresentationDescriptor :: Word32 -> Ptr Word8 -> Ptr () -> IO Int32
-- cbData : DWORD -> Word32
-- pbData : BYTE* -> Ptr Word8
-- ppPD : IMFPresentationDescriptor** 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 mfdeserializepresentationdescriptor =
  foreign "MFDeserializePresentationDescriptor"
    (uint32_t @-> (ptr uint8_t) @-> (ptr void) @-> returning int32_t)
(* cbData : DWORD -> uint32_t *)
(* pbData : BYTE* -> (ptr uint8_t) *)
(* ppPD : IMFPresentationDescriptor** 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 ("MFDeserializePresentationDescriptor" mfdeserialize-presentation-descriptor :convention :stdcall) :int32
  (cb-data :uint32)   ; DWORD
  (pb-data :pointer)   ; BYTE*
  (pp-pd :pointer))   ; IMFPresentationDescriptor** out
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。

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