MFPCreateMediaPlayer

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

HRESULT MFPCreateMediaPlayer(
    LPCWSTR pwszURL,   // optional
    BOOL fStartPlayback,
    MFP_CREATION_OPTIONS creationOptions,
    IMFPMediaPlayerCallback* pCallback,   // optional
    HWND hWnd,   // optional
    IMFPMediaPlayer** ppMediaPlayer   // optional
);

<DllImport("MFPlay.dll", ExactSpelling:=True)>
Public Shared Function MFPCreateMediaPlayer(
    <MarshalAs(UnmanagedType.LPWStr)> pwszURL As String,   ' LPCWSTR optional
    fStartPlayback As Boolean,   ' BOOL
    creationOptions As Integer,   ' MFP_CREATION_OPTIONS
    pCallback As IntPtr,   ' IMFPMediaPlayerCallback* optional
    hWnd As IntPtr,   ' HWND optional
    ppMediaPlayer As IntPtr   ' IMFPMediaPlayer** optional, out
) As Integer
End Function

' pwszURL : LPCWSTR optional
' fStartPlayback : BOOL
' creationOptions : MFP_CREATION_OPTIONS
' pCallback : IMFPMediaPlayerCallback* optional
' hWnd : HWND optional
' ppMediaPlayer : IMFPMediaPlayer** optional, out
Declare PtrSafe Function MFPCreateMediaPlayer Lib "mfplay" ( _
    ByVal pwszURL As LongPtr, _
    ByVal fStartPlayback As Long, _
    ByVal creationOptions As Long, _
    ByVal pCallback As LongPtr, _
    ByVal hWnd As LongPtr, _
    ByVal ppMediaPlayer 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

MFPCreateMediaPlayer = ctypes.windll.mfplay.MFPCreateMediaPlayer
MFPCreateMediaPlayer.restype = ctypes.c_int
MFPCreateMediaPlayer.argtypes = [
    wintypes.LPCWSTR,  # pwszURL : LPCWSTR optional
    wintypes.BOOL,  # fStartPlayback : BOOL
    ctypes.c_int,  # creationOptions : MFP_CREATION_OPTIONS
    ctypes.c_void_p,  # pCallback : IMFPMediaPlayerCallback* optional
    wintypes.HANDLE,  # hWnd : HWND optional
    ctypes.c_void_p,  # ppMediaPlayer : IMFPMediaPlayer** optional, out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('MFPlay.dll')
MFPCreateMediaPlayer = Fiddle::Function.new(
  lib['MFPCreateMediaPlayer'],
  [
    Fiddle::TYPE_VOIDP,  # pwszURL : LPCWSTR optional
    Fiddle::TYPE_INT,  # fStartPlayback : BOOL
    Fiddle::TYPE_INT,  # creationOptions : MFP_CREATION_OPTIONS
    Fiddle::TYPE_VOIDP,  # pCallback : IMFPMediaPlayerCallback* optional
    Fiddle::TYPE_VOIDP,  # hWnd : HWND optional
    Fiddle::TYPE_VOIDP,  # ppMediaPlayer : IMFPMediaPlayer** optional, out
  ],
  Fiddle::TYPE_INT)

#[link(name = "mfplay")]
extern "system" {
    fn MFPCreateMediaPlayer(
        pwszURL: *const u16,  // LPCWSTR optional
        fStartPlayback: i32,  // BOOL
        creationOptions: i32,  // MFP_CREATION_OPTIONS
        pCallback: *mut core::ffi::c_void,  // IMFPMediaPlayerCallback* optional
        hWnd: *mut core::ffi::c_void,  // HWND optional
        ppMediaPlayer: *mut *mut core::ffi::c_void  // IMFPMediaPlayer** optional, out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("MFPlay.dll")]
public static extern int MFPCreateMediaPlayer([MarshalAs(UnmanagedType.LPWStr)] string pwszURL, bool fStartPlayback, int creationOptions, IntPtr pCallback, IntPtr hWnd, IntPtr ppMediaPlayer);
"@
$api = Add-Type -MemberDefinition $sig -Name 'MFPlay_MFPCreateMediaPlayer' -Namespace Win32 -PassThru
# $api::MFPCreateMediaPlayer(pwszURL, fStartPlayback, creationOptions, pCallback, hWnd, ppMediaPlayer)

#uselib "MFPlay.dll"
#func global MFPCreateMediaPlayer "MFPCreateMediaPlayer" sptr, sptr, sptr, sptr, sptr, sptr
; MFPCreateMediaPlayer pwszURL, fStartPlayback, creationOptions, pCallback, hWnd, ppMediaPlayer   ; 戻り値は stat
; pwszURL : LPCWSTR optional -> "sptr"
; fStartPlayback : BOOL -> "sptr"
; creationOptions : MFP_CREATION_OPTIONS -> "sptr"
; pCallback : IMFPMediaPlayerCallback* optional -> "sptr"
; hWnd : HWND optional -> "sptr"
; ppMediaPlayer : IMFPMediaPlayer** optional, 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 "MFPlay.dll"
#cfunc global MFPCreateMediaPlayer "MFPCreateMediaPlayer" wstr, int, int, sptr, sptr, sptr
; res = MFPCreateMediaPlayer(pwszURL, fStartPlayback, creationOptions, pCallback, hWnd, ppMediaPlayer)
; pwszURL : LPCWSTR optional -> "wstr"
; fStartPlayback : BOOL -> "int"
; creationOptions : MFP_CREATION_OPTIONS -> "int"
; pCallback : IMFPMediaPlayerCallback* optional -> "sptr"
; hWnd : HWND optional -> "sptr"
; ppMediaPlayer : IMFPMediaPlayer** optional, out -> "sptr"

; HRESULT MFPCreateMediaPlayer(LPCWSTR pwszURL, BOOL fStartPlayback, MFP_CREATION_OPTIONS creationOptions, IMFPMediaPlayerCallback* pCallback, HWND hWnd, IMFPMediaPlayer** ppMediaPlayer)
#uselib "MFPlay.dll"
#cfunc global MFPCreateMediaPlayer "MFPCreateMediaPlayer" wstr, int, int, intptr, intptr, intptr
; res = MFPCreateMediaPlayer(pwszURL, fStartPlayback, creationOptions, pCallback, hWnd, ppMediaPlayer)
; pwszURL : LPCWSTR optional -> "wstr"
; fStartPlayback : BOOL -> "int"
; creationOptions : MFP_CREATION_OPTIONS -> "int"
; pCallback : IMFPMediaPlayerCallback* optional -> "intptr"
; hWnd : HWND optional -> "intptr"
; ppMediaPlayer : IMFPMediaPlayer** optional, out -> "intptr"

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

var (
	mfplay = windows.NewLazySystemDLL("MFPlay.dll")
	procMFPCreateMediaPlayer = mfplay.NewProc("MFPCreateMediaPlayer")
)

// pwszURL (LPCWSTR optional), fStartPlayback (BOOL), creationOptions (MFP_CREATION_OPTIONS), pCallback (IMFPMediaPlayerCallback* optional), hWnd (HWND optional), ppMediaPlayer (IMFPMediaPlayer** optional, out)
r1, _, err := procMFPCreateMediaPlayer.Call(
	uintptr(unsafe.Pointer(windows.StringToUTF16Ptr(pwszURL))),
	uintptr(fStartPlayback),
	uintptr(creationOptions),
	uintptr(pCallback),
	uintptr(hWnd),
	uintptr(ppMediaPlayer),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HRESULT

function MFPCreateMediaPlayer(
  pwszURL: PWideChar;   // LPCWSTR optional
  fStartPlayback: BOOL;   // BOOL
  creationOptions: Integer;   // MFP_CREATION_OPTIONS
  pCallback: Pointer;   // IMFPMediaPlayerCallback* optional
  hWnd: THandle;   // HWND optional
  ppMediaPlayer: Pointer   // IMFPMediaPlayer** optional, out
): Integer; stdcall;
  external 'MFPlay.dll' name 'MFPCreateMediaPlayer';

result := DllCall("MFPlay\MFPCreateMediaPlayer"
    , "WStr", pwszURL   ; LPCWSTR optional
    , "Int", fStartPlayback   ; BOOL
    , "Int", creationOptions   ; MFP_CREATION_OPTIONS
    , "Ptr", pCallback   ; IMFPMediaPlayerCallback* optional
    , "Ptr", hWnd   ; HWND optional
    , "Ptr", ppMediaPlayer   ; IMFPMediaPlayer** optional, out
    , "Int")   ; return: HRESULT

●MFPCreateMediaPlayer(pwszURL, fStartPlayback, creationOptions, pCallback, hWnd, ppMediaPlayer) = DLL("MFPlay.dll", "int MFPCreateMediaPlayer(char*, bool, int, void*, void*, void*)")
# 呼び出し: MFPCreateMediaPlayer(pwszURL, fStartPlayback, creationOptions, pCallback, hWnd, ppMediaPlayer)
# pwszURL : LPCWSTR optional -> "char*"
# fStartPlayback : BOOL -> "bool"
# creationOptions : MFP_CREATION_OPTIONS -> "int"
# pCallback : IMFPMediaPlayerCallback* optional -> "void*"
# hWnd : HWND optional -> "void*"
# ppMediaPlayer : IMFPMediaPlayer** optional, 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)。