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。

#uselib "MFPlat.dll"
#cfunc global MFSerializePresentationDescriptor "MFSerializePresentationDescriptor" sptr, var, var
; res = MFSerializePresentationDescriptor(pPD, pcbData, ppbData)
; pPD : IMFPresentationDescriptor* -> "sptr"
; pcbData : DWORD* out -> "var"
; ppbData : BYTE** out -> "var"
; ※出力/バッファ引数は var 方式(変数を直接渡す)。varptr 方式にも切替可。

; HRESULT MFSerializePresentationDescriptor(IMFPresentationDescriptor* pPD, DWORD* pcbData, BYTE** ppbData)
#uselib "MFPlat.dll"
#cfunc global MFSerializePresentationDescriptor "MFSerializePresentationDescriptor" intptr, var, var
; res = MFSerializePresentationDescriptor(pPD, pcbData, ppbData)
; pPD : IMFPresentationDescriptor* -> "intptr"
; pcbData : DWORD* out -> "var"
; ppbData : BYTE** out -> "var"
; ※出力/バッファ引数は var 方式(変数を直接渡す)。varptr 方式にも切替可。

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)。