MFCreateVideoRendererActivate

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

HRESULT MFCreateVideoRendererActivate(
    HWND hwndVideo,
    IMFActivate** ppActivate
);

<DllImport("MF.dll", ExactSpelling:=True)>
Public Shared Function MFCreateVideoRendererActivate(
    hwndVideo As IntPtr,   ' HWND
    ppActivate As IntPtr   ' IMFActivate** out
) As Integer
End Function

' hwndVideo : HWND
' ppActivate : IMFActivate** out
Declare PtrSafe Function MFCreateVideoRendererActivate Lib "mf" ( _
    ByVal hwndVideo As LongPtr, _
    ByVal ppActivate 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

MFCreateVideoRendererActivate = ctypes.windll.mf.MFCreateVideoRendererActivate
MFCreateVideoRendererActivate.restype = ctypes.c_int
MFCreateVideoRendererActivate.argtypes = [
    wintypes.HANDLE,  # hwndVideo : HWND
    ctypes.c_void_p,  # ppActivate : IMFActivate** out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('MF.dll')
MFCreateVideoRendererActivate = Fiddle::Function.new(
  lib['MFCreateVideoRendererActivate'],
  [
    Fiddle::TYPE_VOIDP,  # hwndVideo : HWND
    Fiddle::TYPE_VOIDP,  # ppActivate : IMFActivate** out
  ],
  Fiddle::TYPE_INT)

#[link(name = "mf")]
extern "system" {
    fn MFCreateVideoRendererActivate(
        hwndVideo: *mut core::ffi::c_void,  // HWND
        ppActivate: *mut *mut core::ffi::c_void  // IMFActivate** out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("MF.dll")]
public static extern int MFCreateVideoRendererActivate(IntPtr hwndVideo, IntPtr ppActivate);
"@
$api = Add-Type -MemberDefinition $sig -Name 'MF_MFCreateVideoRendererActivate' -Namespace Win32 -PassThru
# $api::MFCreateVideoRendererActivate(hwndVideo, ppActivate)

#uselib "MF.dll"
#func global MFCreateVideoRendererActivate "MFCreateVideoRendererActivate" sptr, sptr
; MFCreateVideoRendererActivate hwndVideo, ppActivate   ; 戻り値は stat
; hwndVideo : HWND -> "sptr"
; ppActivate : IMFActivate** 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 "MF.dll"
#cfunc global MFCreateVideoRendererActivate "MFCreateVideoRendererActivate" sptr, sptr
; res = MFCreateVideoRendererActivate(hwndVideo, ppActivate)
; hwndVideo : HWND -> "sptr"
; ppActivate : IMFActivate** out -> "sptr"

; HRESULT MFCreateVideoRendererActivate(HWND hwndVideo, IMFActivate** ppActivate)
#uselib "MF.dll"
#cfunc global MFCreateVideoRendererActivate "MFCreateVideoRendererActivate" intptr, intptr
; res = MFCreateVideoRendererActivate(hwndVideo, ppActivate)
; hwndVideo : HWND -> "intptr"
; ppActivate : IMFActivate** out -> "intptr"

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

var (
	mf = windows.NewLazySystemDLL("MF.dll")
	procMFCreateVideoRendererActivate = mf.NewProc("MFCreateVideoRendererActivate")
)

// hwndVideo (HWND), ppActivate (IMFActivate** out)
r1, _, err := procMFCreateVideoRendererActivate.Call(
	uintptr(hwndVideo),
	uintptr(ppActivate),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HRESULT

function MFCreateVideoRendererActivate(
  hwndVideo: THandle;   // HWND
  ppActivate: Pointer   // IMFActivate** out
): Integer; stdcall;
  external 'MF.dll' name 'MFCreateVideoRendererActivate';

result := DllCall("MF\MFCreateVideoRendererActivate"
    , "Ptr", hwndVideo   ; HWND
    , "Ptr", ppActivate   ; IMFActivate** out
    , "Int")   ; return: HRESULT

●MFCreateVideoRendererActivate(hwndVideo, ppActivate) = DLL("MF.dll", "int MFCreateVideoRendererActivate(void*, void*)")
# 呼び出し: MFCreateVideoRendererActivate(hwndVideo, ppActivate)
# hwndVideo : HWND -> "void*"
# ppActivate : IMFActivate** 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)。