MFCreateMediaTypeFromRepresentation

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

HRESULT MFCreateMediaTypeFromRepresentation(
    GUID guidRepresentation,
    void* pvRepresentation,
    IMFMediaType** ppIMediaType
);

<DllImport("MFPlat.dll", ExactSpelling:=True)>
Public Shared Function MFCreateMediaTypeFromRepresentation(
    guidRepresentation As Guid,   ' GUID
    pvRepresentation As IntPtr,   ' void*
    ppIMediaType As IntPtr   ' IMFMediaType** out
) As Integer
End Function

' guidRepresentation : GUID
' pvRepresentation : void*
' ppIMediaType : IMFMediaType** out
Declare PtrSafe Function MFCreateMediaTypeFromRepresentation Lib "mfplat" ( _
    ByVal guidRepresentation As LongPtr, _
    ByVal pvRepresentation As LongPtr, _
    ByVal ppIMediaType 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

MFCreateMediaTypeFromRepresentation = ctypes.windll.mfplat.MFCreateMediaTypeFromRepresentation
MFCreateMediaTypeFromRepresentation.restype = ctypes.c_int
MFCreateMediaTypeFromRepresentation.argtypes = [
    ctypes.c_void_p,  # guidRepresentation : GUID
    ctypes.POINTER(None),  # pvRepresentation : void*
    ctypes.c_void_p,  # ppIMediaType : IMFMediaType** out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('MFPlat.dll')
MFCreateMediaTypeFromRepresentation = Fiddle::Function.new(
  lib['MFCreateMediaTypeFromRepresentation'],
  [
    Fiddle::TYPE_VOIDP,  # guidRepresentation : GUID
    Fiddle::TYPE_VOIDP,  # pvRepresentation : void*
    Fiddle::TYPE_VOIDP,  # ppIMediaType : IMFMediaType** out
  ],
  Fiddle::TYPE_INT)

#[link(name = "mfplat")]
extern "system" {
    fn MFCreateMediaTypeFromRepresentation(
        guidRepresentation: GUID,  // GUID
        pvRepresentation: *mut (),  // void*
        ppIMediaType: *mut *mut core::ffi::c_void  // IMFMediaType** out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("MFPlat.dll")]
public static extern int MFCreateMediaTypeFromRepresentation(Guid guidRepresentation, IntPtr pvRepresentation, IntPtr ppIMediaType);
"@
$api = Add-Type -MemberDefinition $sig -Name 'MFPlat_MFCreateMediaTypeFromRepresentation' -Namespace Win32 -PassThru
# $api::MFCreateMediaTypeFromRepresentation(guidRepresentation, pvRepresentation, ppIMediaType)

#uselib "MFPlat.dll"
#func global MFCreateMediaTypeFromRepresentation "MFCreateMediaTypeFromRepresentation" sptr, sptr, sptr
; MFCreateMediaTypeFromRepresentation guidRepresentation, pvRepresentation, ppIMediaType   ; 戻り値は stat
; guidRepresentation : GUID -> "sptr"
; pvRepresentation : void* -> "sptr"
; ppIMediaType : IMFMediaType** out -> "sptr"
; ※値渡し構造体は直接渡せません。intにパック、または var で構造体変数を渡してください。
; ※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 MFCreateMediaTypeFromRepresentation "MFCreateMediaTypeFromRepresentation" int, sptr, sptr
; res = MFCreateMediaTypeFromRepresentation(guidRepresentation, pvRepresentation, ppIMediaType)
; guidRepresentation : GUID -> "int"
; pvRepresentation : void* -> "sptr"
; ppIMediaType : IMFMediaType** out -> "sptr"
; ※値渡し構造体は直接渡せません。intにパック、または var で構造体変数を渡してください。

; HRESULT MFCreateMediaTypeFromRepresentation(GUID guidRepresentation, void* pvRepresentation, IMFMediaType** ppIMediaType)
#uselib "MFPlat.dll"
#cfunc global MFCreateMediaTypeFromRepresentation "MFCreateMediaTypeFromRepresentation" int, intptr, intptr
; res = MFCreateMediaTypeFromRepresentation(guidRepresentation, pvRepresentation, ppIMediaType)
; guidRepresentation : GUID -> "int"
; pvRepresentation : void* -> "intptr"
; ppIMediaType : IMFMediaType** out -> "intptr"
; ※値渡し構造体は直接渡せません。intにパック、または var で構造体変数を渡してください。

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

var (
	mfplat = windows.NewLazySystemDLL("MFPlat.dll")
	procMFCreateMediaTypeFromRepresentation = mfplat.NewProc("MFCreateMediaTypeFromRepresentation")
)

// guidRepresentation (GUID), pvRepresentation (void*), ppIMediaType (IMFMediaType** out)
r1, _, err := procMFCreateMediaTypeFromRepresentation.Call(
	uintptr(guidRepresentation),
	uintptr(pvRepresentation),
	uintptr(ppIMediaType),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HRESULT

function MFCreateMediaTypeFromRepresentation(
  guidRepresentation: TGUID;   // GUID
  pvRepresentation: Pointer;   // void*
  ppIMediaType: Pointer   // IMFMediaType** out
): Integer; stdcall;
  external 'MFPlat.dll' name 'MFCreateMediaTypeFromRepresentation';

result := DllCall("MFPlat\MFCreateMediaTypeFromRepresentation"
    , "Ptr", guidRepresentation   ; GUID
    , "Ptr", pvRepresentation   ; void*
    , "Ptr", ppIMediaType   ; IMFMediaType** out
    , "Int")   ; return: HRESULT

●MFCreateMediaTypeFromRepresentation(guidRepresentation, pvRepresentation, ppIMediaType) = DLL("MFPlat.dll", "int MFCreateMediaTypeFromRepresentation(void*, void*, void*)")
# 呼び出し: MFCreateMediaTypeFromRepresentation(guidRepresentation, pvRepresentation, ppIMediaType)
# guidRepresentation : GUID -> "void*"
# pvRepresentation : void* -> "void*"
# ppIMediaType : IMFMediaType** 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)。