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)。

const std = @import("std");

extern "mfplay" fn MFPCreateMediaPlayer(
    pwszURL: [*c]const u16, // LPCWSTR optional
    fStartPlayback: i32, // BOOL
    creationOptions: i32, // MFP_CREATION_OPTIONS
    pCallback: ?*anyopaque, // IMFPMediaPlayerCallback* optional
    hWnd: ?*anyopaque, // HWND optional
    ppMediaPlayer: ?*anyopaque // IMFPMediaPlayer** optional, out
) callconv(std.os.windows.WINAPI) i32;

proc MFPCreateMediaPlayer(
    pwszURL: WideCString,  # LPCWSTR optional
    fStartPlayback: int32,  # BOOL
    creationOptions: int32,  # MFP_CREATION_OPTIONS
    pCallback: pointer,  # IMFPMediaPlayerCallback* optional
    hWnd: pointer,  # HWND optional
    ppMediaPlayer: pointer  # IMFPMediaPlayer** optional, out
): int32 {.importc: "MFPCreateMediaPlayer", stdcall, dynlib: "MFPlay.dll".}

pragma(lib, "mfplay");
extern(Windows)
int MFPCreateMediaPlayer(
    const(wchar)* pwszURL,   // LPCWSTR optional
    int fStartPlayback,   // BOOL
    int creationOptions,   // MFP_CREATION_OPTIONS
    void* pCallback,   // IMFPMediaPlayerCallback* optional
    void* hWnd,   // HWND optional
    void* ppMediaPlayer   // IMFPMediaPlayer** optional, out
);

ccall((:MFPCreateMediaPlayer, "MFPlay.dll"), stdcall, Int32,
      (Cwstring, Int32, Int32, Ptr{Cvoid}, Ptr{Cvoid}, Ptr{Cvoid}),
      pwszURL, fStartPlayback, creationOptions, pCallback, hWnd, ppMediaPlayer)
# pwszURL : LPCWSTR optional -> Cwstring
# fStartPlayback : BOOL -> Int32
# creationOptions : MFP_CREATION_OPTIONS -> Int32
# pCallback : IMFPMediaPlayerCallback* optional -> Ptr{Cvoid}
# hWnd : HWND optional -> Ptr{Cvoid}
# ppMediaPlayer : IMFPMediaPlayer** optional, out -> Ptr{Cvoid}
# stdcall は 32bit のみ意味を持つ(x64 では無視)。

local ffi = require("ffi")
ffi.cdef[[
int32_t MFPCreateMediaPlayer(
    const uint16_t* pwszURL,
    int32_t fStartPlayback,
    int32_t creationOptions,
    void* pCallback,
    void* hWnd,
    void* ppMediaPlayer);
]]
local mfplay = ffi.load("mfplay")
-- mfplay.MFPCreateMediaPlayer(pwszURL, fStartPlayback, creationOptions, pCallback, hWnd, ppMediaPlayer)
-- pwszURL : LPCWSTR optional
-- fStartPlayback : BOOL
-- creationOptions : MFP_CREATION_OPTIONS
-- pCallback : IMFPMediaPlayerCallback* optional
-- hWnd : HWND optional
-- ppMediaPlayer : IMFPMediaPlayer** optional, out
-- 構造体/GUIDへのポインタは cdef が通るよう void* で表記(実型は各引数コメント参照)。値渡し構造体・enum は対応する typedef を cdef に追加すること。

const koffi = require('koffi');
const lib = koffi.load('MFPlay.dll');
const MFPCreateMediaPlayer = lib.func('__stdcall', 'MFPCreateMediaPlayer', 'int32_t', ['str16', 'int32_t', 'int32_t', 'void *', 'void *', 'void *']);
// MFPCreateMediaPlayer(pwszURL, fStartPlayback, creationOptions, pCallback, hWnd, ppMediaPlayer)
// pwszURL : LPCWSTR optional -> 'str16'
// fStartPlayback : BOOL -> 'int32_t'
// creationOptions : MFP_CREATION_OPTIONS -> 'int32_t'
// pCallback : IMFPMediaPlayerCallback* optional -> 'void *'
// hWnd : HWND optional -> 'void *'
// ppMediaPlayer : IMFPMediaPlayer** optional, out -> 'void *'
// 出力ポインタは koffi.out(...) で包む。構造体は koffi.struct で定義。

const lib = Deno.dlopen("MFPlay.dll", {
  MFPCreateMediaPlayer: { parameters: ["buffer", "i32", "i32", "pointer", "pointer", "pointer"], result: "i32" },
});
// lib.symbols.MFPCreateMediaPlayer(pwszURL, fStartPlayback, creationOptions, pCallback, hWnd, ppMediaPlayer)
// pwszURL : LPCWSTR optional -> "buffer"
// fStartPlayback : BOOL -> "i32"
// creationOptions : MFP_CREATION_OPTIONS -> "i32"
// pCallback : IMFPMediaPlayerCallback* optional -> "pointer"
// hWnd : HWND optional -> "pointer"
// ppMediaPlayer : IMFPMediaPlayer** optional, out -> "pointer"
// 文字列引数は "buffer"(NUL 終端のバイト列を Uint8Array で渡す)。
// 値渡し構造体は { struct: [ ...field types... ] } を使用。

<?php
$ffi = FFI::cdef(<<<C
int32_t MFPCreateMediaPlayer(
    const uint16_t* pwszURL,
    int32_t fStartPlayback,
    int32_t creationOptions,
    void* pCallback,
    void* hWnd,
    void* ppMediaPlayer);
C, "MFPlay.dll");
// $ffi->MFPCreateMediaPlayer(pwszURL, fStartPlayback, creationOptions, pCallback, hWnd, ppMediaPlayer);
// pwszURL : LPCWSTR optional
// fStartPlayback : BOOL
// creationOptions : MFP_CREATION_OPTIONS
// pCallback : IMFPMediaPlayerCallback* optional
// hWnd : HWND optional
// ppMediaPlayer : IMFPMediaPlayer** optional, out
// 構造体/GUIDへのポインタは cdef が通るよう void* で表記(実型は各引数コメント参照)。値渡し構造体・enum は対応する typedef を cdef に追加すること。
// WINAPI(stdcall): x64 では呼出規約が統一されるため問題なし。x86 では __stdcall 対応のラッパが必要な場合あり。

import com.sun.jna.*;
import com.sun.jna.ptr.*;
import com.sun.jna.win32.StdCallLibrary;
import com.sun.jna.win32.W32APIOptions;

public interface Mfplay extends StdCallLibrary {
    Mfplay INSTANCE = Native.load("mfplay", Mfplay.class);
    int MFPCreateMediaPlayer(
        WString pwszURL,   // LPCWSTR optional
        boolean fStartPlayback,   // BOOL
        int creationOptions,   // MFP_CREATION_OPTIONS
        Pointer pCallback,   // IMFPMediaPlayerCallback* optional
        Pointer hWnd,   // HWND optional
        Pointer ppMediaPlayer   // IMFPMediaPlayer** optional, out
    );
}

@[Link("mfplay")]
lib LibMFPlay
  fun MFPCreateMediaPlayer = MFPCreateMediaPlayer(
    pwszURL : UInt16*,   # LPCWSTR optional
    fStartPlayback : Int32,   # BOOL
    creationOptions : Int32,   # MFP_CREATION_OPTIONS
    pCallback : Void*,   # IMFPMediaPlayerCallback* optional
    hWnd : Void*,   # HWND optional
    ppMediaPlayer : Void*   # IMFPMediaPlayer** optional, out
  ) : Int32
end
# 構造体/GUID/enum は lib 内に対応する型定義が必要。
# 呼出規約: x64 は規約統一のため OK。x86(32bit)は WINAPI=stdcall だが Crystal の fun に stdcall 付与構文がなく非対応。

import 'dart:ffi';
import 'package:ffi/ffi.dart';

typedef MFPCreateMediaPlayerNative = Int32 Function(Pointer<Utf16>, Int32, Int32, Pointer<Void>, Pointer<Void>, Pointer<Void>);
typedef MFPCreateMediaPlayerDart = int Function(Pointer<Utf16>, int, int, Pointer<Void>, Pointer<Void>, Pointer<Void>);
final MFPCreateMediaPlayer = DynamicLibrary.open('MFPlay.dll')
    .lookupFunction<MFPCreateMediaPlayerNative, MFPCreateMediaPlayerDart>('MFPCreateMediaPlayer');
// pwszURL : LPCWSTR optional -> Pointer<Utf16>
// fStartPlayback : BOOL -> Int32
// creationOptions : MFP_CREATION_OPTIONS -> Int32
// pCallback : IMFPMediaPlayerCallback* optional -> Pointer<Void>
// hWnd : HWND optional -> Pointer<Void>
// ppMediaPlayer : IMFPMediaPlayer** optional, out -> Pointer<Void>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
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';

import Foreign
import Foreign.C.Types
import Foreign.C.String

foreign import stdcall safe "MFPCreateMediaPlayer"
  c_MFPCreateMediaPlayer :: CWString -> CInt -> Int32 -> Ptr () -> Ptr () -> Ptr () -> IO Int32
-- pwszURL : LPCWSTR optional -> CWString
-- fStartPlayback : BOOL -> CInt
-- creationOptions : MFP_CREATION_OPTIONS -> Int32
-- pCallback : IMFPMediaPlayerCallback* optional -> Ptr ()
-- hWnd : HWND optional -> Ptr ()
-- ppMediaPlayer : IMFPMediaPlayer** optional, out -> Ptr ()
-- 要 GHC(Windows)。stdcall は x64 では ccall として扱われる。ブロックする API は safe 呼び出し推奨。

open Ctypes
open Foreign

let mfpcreatemediaplayer =
  foreign "MFPCreateMediaPlayer"
    ((ptr uint16_t) @-> int32_t @-> int32_t @-> (ptr void) @-> (ptr void) @-> (ptr void) @-> returning int32_t)
(* pwszURL : LPCWSTR optional -> (ptr uint16_t) *)
(* fStartPlayback : BOOL -> int32_t *)
(* creationOptions : MFP_CREATION_OPTIONS -> int32_t *)
(* pCallback : IMFPMediaPlayerCallback* optional -> (ptr void) *)
(* hWnd : HWND optional -> (ptr void) *)
(* ppMediaPlayer : IMFPMediaPlayer** optional, out -> (ptr void) *)
(* foreign は cdecl 前提。x64 Windows では WINAPI と一致。構造体は ctypes structure を定義のこと。 *)

(cffi:define-foreign-library mfplay (t "MFPlay.dll"))
(cffi:use-foreign-library mfplay)

(cffi:defcfun ("MFPCreateMediaPlayer" mfpcreate-media-player :convention :stdcall) :int32
  (pwsz-url (:string :encoding :utf-16le))   ; LPCWSTR optional
  (f-start-playback :int32)   ; BOOL
  (creation-options :int32)   ; MFP_CREATION_OPTIONS
  (p-callback :pointer)   ; IMFPMediaPlayerCallback* optional
  (h-wnd :pointer)   ; HWND optional
  (pp-media-player :pointer))   ; IMFPMediaPlayer** optional, out
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。

use Win32::API;
my $MFPCreateMediaPlayer = Win32::API::More->new('MFPlay',
    'int MFPCreateMediaPlayer(LPCWSTR pwszURL, BOOL fStartPlayback, int creationOptions, LPVOID pCallback, HANDLE hWnd, LPVOID ppMediaPlayer)');
# my $ret = $MFPCreateMediaPlayer->Call($pwszURL, $fStartPlayback, $creationOptions, $pCallback, $hWnd, $ppMediaPlayer);
# pwszURL : LPCWSTR optional -> LPCWSTR
# fStartPlayback : BOOL -> BOOL
# creationOptions : MFP_CREATION_OPTIONS -> int
# pCallback : IMFPMediaPlayerCallback* optional -> LPVOID
# hWnd : HWND optional -> HANDLE
# ppMediaPlayer : IMFPMediaPlayer** optional, out -> LPVOID
# 値渡し構造体は pack() した文字列、または Win32::API::Struct を使用。