MFSerializePresentationDescriptor

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

HRESULT MFSerializePresentationDescriptor(
    IMFPresentationDescriptor* pPD,
    DWORD* pcbData,
    BYTE** ppbData
);

<DllImport("MFPlat.dll", ExactSpelling:=True)>
Public Shared Function MFSerializePresentationDescriptor(
    pPD As IntPtr,   ' IMFPresentationDescriptor*
    <Out> ByRef pcbData As UInteger,   ' DWORD* out
    ppbData As IntPtr   ' BYTE** out
) As Integer
End Function

' pPD : IMFPresentationDescriptor*
' pcbData : DWORD* out
' ppbData : BYTE** out
Declare PtrSafe Function MFSerializePresentationDescriptor Lib "mfplat" ( _
    ByVal pPD As LongPtr, _
    ByRef pcbData As Long, _
    ByVal ppbData 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

MFSerializePresentationDescriptor = ctypes.windll.mfplat.MFSerializePresentationDescriptor
MFSerializePresentationDescriptor.restype = ctypes.c_int
MFSerializePresentationDescriptor.argtypes = [
    ctypes.c_void_p,  # pPD : IMFPresentationDescriptor*
    ctypes.POINTER(wintypes.DWORD),  # pcbData : DWORD* out
    ctypes.c_void_p,  # ppbData : BYTE** out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('MFPlat.dll')
MFSerializePresentationDescriptor = Fiddle::Function.new(
  lib['MFSerializePresentationDescriptor'],
  [
    Fiddle::TYPE_VOIDP,  # pPD : IMFPresentationDescriptor*
    Fiddle::TYPE_VOIDP,  # pcbData : DWORD* out
    Fiddle::TYPE_VOIDP,  # ppbData : BYTE** out
  ],
  Fiddle::TYPE_INT)

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

$sig = @"
[DllImport("MFPlat.dll")]
public static extern int MFSerializePresentationDescriptor(IntPtr pPD, out uint pcbData, IntPtr ppbData);
"@
$api = Add-Type -MemberDefinition $sig -Name 'MFPlat_MFSerializePresentationDescriptor' -Namespace Win32 -PassThru
# $api::MFSerializePresentationDescriptor(pPD, pcbData, ppbData)

#uselib "MFPlat.dll"
#func global MFSerializePresentationDescriptor "MFSerializePresentationDescriptor" sptr, sptr, sptr
; MFSerializePresentationDescriptor pPD, varptr(pcbData), varptr(ppbData)   ; 戻り値は stat
; pPD : IMFPresentationDescriptor* -> "sptr"
; pcbData : DWORD* out -> "sptr"
; ppbData : BYTE** 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")
	procMFSerializePresentationDescriptor = mfplat.NewProc("MFSerializePresentationDescriptor")
)

// pPD (IMFPresentationDescriptor*), pcbData (DWORD* out), ppbData (BYTE** out)
r1, _, err := procMFSerializePresentationDescriptor.Call(
	uintptr(pPD),
	uintptr(pcbData),
	uintptr(ppbData),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HRESULT

function MFSerializePresentationDescriptor(
  pPD: Pointer;   // IMFPresentationDescriptor*
  pcbData: Pointer;   // DWORD* out
  ppbData: Pointer   // BYTE** out
): Integer; stdcall;
  external 'MFPlat.dll' name 'MFSerializePresentationDescriptor';

result := DllCall("MFPlat\MFSerializePresentationDescriptor"
    , "Ptr", pPD   ; IMFPresentationDescriptor*
    , "Ptr", pcbData   ; DWORD* out
    , "Ptr", ppbData   ; BYTE** out
    , "Int")   ; return: HRESULT

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

proc MFSerializePresentationDescriptor(
    pPD: pointer,  # IMFPresentationDescriptor*
    pcbData: ptr uint32,  # DWORD* out
    ppbData: ptr uint8  # BYTE** out
): int32 {.importc: "MFSerializePresentationDescriptor", stdcall, dynlib: "MFPlat.dll".}

pragma(lib, "mfplat");
extern(Windows)
int MFSerializePresentationDescriptor(
    void* pPD,   // IMFPresentationDescriptor*
    uint* pcbData,   // DWORD* out
    ubyte** ppbData   // BYTE** out
);

ccall((:MFSerializePresentationDescriptor, "MFPlat.dll"), stdcall, Int32,
      (Ptr{Cvoid}, Ptr{UInt32}, Ptr{UInt8}),
      pPD, pcbData, ppbData)
# pPD : IMFPresentationDescriptor* -> Ptr{Cvoid}
# pcbData : DWORD* out -> Ptr{UInt32}
# ppbData : BYTE** out -> Ptr{UInt8}
# stdcall は 32bit のみ意味を持つ(x64 では無視)。

local ffi = require("ffi")
ffi.cdef[[
int32_t MFSerializePresentationDescriptor(
    void* pPD,
    uint32_t* pcbData,
    uint8_t** ppbData);
]]
local mfplat = ffi.load("mfplat")
-- mfplat.MFSerializePresentationDescriptor(pPD, pcbData, ppbData)
-- pPD : IMFPresentationDescriptor*
-- pcbData : DWORD* out
-- ppbData : BYTE** 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 MFSerializePresentationDescriptor = lib.func('__stdcall', 'MFSerializePresentationDescriptor', 'int32_t', ['void *', 'uint32_t *', 'uint8_t *']);
// MFSerializePresentationDescriptor(pPD, pcbData, ppbData)
// pPD : IMFPresentationDescriptor* -> 'void *'
// pcbData : DWORD* out -> 'uint32_t *'
// ppbData : BYTE** out -> 'uint8_t *'
// 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", {
  MFSerializePresentationDescriptor: { parameters: ["pointer", "pointer", "pointer"], result: "i32" },
});
// lib.symbols.MFSerializePresentationDescriptor(pPD, pcbData, ppbData)
// pPD : IMFPresentationDescriptor* -> "pointer"
// pcbData : DWORD* out -> "pointer"
// ppbData : BYTE** 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 MFSerializePresentationDescriptor(
    void* pPD,
    uint32_t* pcbData,
    uint8_t** ppbData);
C, "MFPlat.dll");
// $ffi->MFSerializePresentationDescriptor(pPD, pcbData, ppbData);
// pPD : IMFPresentationDescriptor*
// pcbData : DWORD* out
// ppbData : BYTE** 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 MFSerializePresentationDescriptor(
        Pointer pPD,   // IMFPresentationDescriptor*
        IntByReference pcbData,   // DWORD* out
        Pointer ppbData   // BYTE** out
    );
}

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

{$mode objfpc}{$H+}
function MFSerializePresentationDescriptor(
  pPD: Pointer;   // IMFPresentationDescriptor*
  pcbData: Pointer;   // DWORD* out
  ppbData: Pointer   // BYTE** out
): Integer; stdcall;
  external 'MFPlat.dll' name 'MFSerializePresentationDescriptor';

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

foreign import stdcall safe "MFSerializePresentationDescriptor"
  c_MFSerializePresentationDescriptor :: Ptr () -> Ptr Word32 -> Ptr Word8 -> IO Int32
-- pPD : IMFPresentationDescriptor* -> Ptr ()
-- pcbData : DWORD* out -> Ptr Word32
-- ppbData : BYTE** out -> Ptr Word8
-- 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 mfserializepresentationdescriptor =
  foreign "MFSerializePresentationDescriptor"
    ((ptr void) @-> (ptr uint32_t) @-> (ptr uint8_t) @-> returning int32_t)
(* pPD : IMFPresentationDescriptor* -> (ptr void) *)
(* pcbData : DWORD* out -> (ptr uint32_t) *)
(* ppbData : BYTE** out -> (ptr uint8_t) *)
(* 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 ("MFSerializePresentationDescriptor" mfserialize-presentation-descriptor :convention :stdcall) :int32
  (p-pd :pointer)   ; IMFPresentationDescriptor*
  (pcb-data :pointer)   ; DWORD* out
  (ppb-data :pointer))   ; BYTE** out
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。

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