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。

#uselib "MFPlat.dll"
#cfunc global MFDeserializePresentationDescriptor "MFDeserializePresentationDescriptor" int, var, sptr
; res = MFDeserializePresentationDescriptor(cbData, pbData, ppPD)
; cbData : DWORD -> "int"
; pbData : BYTE* -> "var"
; ppPD : IMFPresentationDescriptor** out -> "sptr"
; ※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 MFDeserializePresentationDescriptor(DWORD cbData, BYTE* pbData, IMFPresentationDescriptor** ppPD)
#uselib "MFPlat.dll"
#cfunc global MFDeserializePresentationDescriptor "MFDeserializePresentationDescriptor" int, var, intptr
; res = MFDeserializePresentationDescriptor(cbData, pbData, ppPD)
; cbData : DWORD -> "int"
; pbData : BYTE* -> "var"
; ppPD : IMFPresentationDescriptor** out -> "intptr"
; ※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")
	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)。