DMOEnum

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

HRESULT DMOEnum(
    const GUID* guidCategory,
    DWORD dwFlags,
    DWORD cInTypes,
    const DMO_PARTIAL_MEDIATYPE* pInTypes,
    DWORD cOutTypes,
    const DMO_PARTIAL_MEDIATYPE* pOutTypes,
    IEnumDMO** ppEnum
);

<DllImport("msdmo.dll", ExactSpelling:=True)>
Public Shared Function DMOEnum(
    ByRef guidCategory As Guid,   ' GUID*
    dwFlags As UInteger,   ' DWORD
    cInTypes As UInteger,   ' DWORD
    pInTypes As IntPtr,   ' DMO_PARTIAL_MEDIATYPE*
    cOutTypes As UInteger,   ' DWORD
    pOutTypes As IntPtr,   ' DMO_PARTIAL_MEDIATYPE*
    ppEnum As IntPtr   ' IEnumDMO** out
) As Integer
End Function

' guidCategory : GUID*
' dwFlags : DWORD
' cInTypes : DWORD
' pInTypes : DMO_PARTIAL_MEDIATYPE*
' cOutTypes : DWORD
' pOutTypes : DMO_PARTIAL_MEDIATYPE*
' ppEnum : IEnumDMO** out
Declare PtrSafe Function DMOEnum Lib "msdmo" ( _
    ByVal guidCategory As LongPtr, _
    ByVal dwFlags As Long, _
    ByVal cInTypes As Long, _
    ByVal pInTypes As LongPtr, _
    ByVal cOutTypes As Long, _
    ByVal pOutTypes As LongPtr, _
    ByVal ppEnum 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

DMOEnum = ctypes.windll.msdmo.DMOEnum
DMOEnum.restype = ctypes.c_int
DMOEnum.argtypes = [
    ctypes.c_void_p,  # guidCategory : GUID*
    wintypes.DWORD,  # dwFlags : DWORD
    wintypes.DWORD,  # cInTypes : DWORD
    ctypes.c_void_p,  # pInTypes : DMO_PARTIAL_MEDIATYPE*
    wintypes.DWORD,  # cOutTypes : DWORD
    ctypes.c_void_p,  # pOutTypes : DMO_PARTIAL_MEDIATYPE*
    ctypes.c_void_p,  # ppEnum : IEnumDMO** out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('msdmo.dll')
DMOEnum = Fiddle::Function.new(
  lib['DMOEnum'],
  [
    Fiddle::TYPE_VOIDP,  # guidCategory : GUID*
    -Fiddle::TYPE_INT,  # dwFlags : DWORD
    -Fiddle::TYPE_INT,  # cInTypes : DWORD
    Fiddle::TYPE_VOIDP,  # pInTypes : DMO_PARTIAL_MEDIATYPE*
    -Fiddle::TYPE_INT,  # cOutTypes : DWORD
    Fiddle::TYPE_VOIDP,  # pOutTypes : DMO_PARTIAL_MEDIATYPE*
    Fiddle::TYPE_VOIDP,  # ppEnum : IEnumDMO** out
  ],
  Fiddle::TYPE_INT)

#[link(name = "msdmo")]
extern "system" {
    fn DMOEnum(
        guidCategory: *const GUID,  // GUID*
        dwFlags: u32,  // DWORD
        cInTypes: u32,  // DWORD
        pInTypes: *const DMO_PARTIAL_MEDIATYPE,  // DMO_PARTIAL_MEDIATYPE*
        cOutTypes: u32,  // DWORD
        pOutTypes: *const DMO_PARTIAL_MEDIATYPE,  // DMO_PARTIAL_MEDIATYPE*
        ppEnum: *mut *mut core::ffi::c_void  // IEnumDMO** out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("msdmo.dll")]
public static extern int DMOEnum(ref Guid guidCategory, uint dwFlags, uint cInTypes, IntPtr pInTypes, uint cOutTypes, IntPtr pOutTypes, IntPtr ppEnum);
"@
$api = Add-Type -MemberDefinition $sig -Name 'msdmo_DMOEnum' -Namespace Win32 -PassThru
# $api::DMOEnum(guidCategory, dwFlags, cInTypes, pInTypes, cOutTypes, pOutTypes, ppEnum)

#uselib "msdmo.dll"
#func global DMOEnum "DMOEnum" sptr, sptr, sptr, sptr, sptr, sptr, sptr
; DMOEnum varptr(guidCategory), dwFlags, cInTypes, varptr(pInTypes), cOutTypes, varptr(pOutTypes), ppEnum   ; 戻り値は stat
; guidCategory : GUID* -> "sptr"
; dwFlags : DWORD -> "sptr"
; cInTypes : DWORD -> "sptr"
; pInTypes : DMO_PARTIAL_MEDIATYPE* -> "sptr"
; cOutTypes : DWORD -> "sptr"
; pOutTypes : DMO_PARTIAL_MEDIATYPE* -> "sptr"
; ppEnum : IEnumDMO** 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。

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

var (
	msdmo = windows.NewLazySystemDLL("msdmo.dll")
	procDMOEnum = msdmo.NewProc("DMOEnum")
)

// guidCategory (GUID*), dwFlags (DWORD), cInTypes (DWORD), pInTypes (DMO_PARTIAL_MEDIATYPE*), cOutTypes (DWORD), pOutTypes (DMO_PARTIAL_MEDIATYPE*), ppEnum (IEnumDMO** out)
r1, _, err := procDMOEnum.Call(
	uintptr(guidCategory),
	uintptr(dwFlags),
	uintptr(cInTypes),
	uintptr(pInTypes),
	uintptr(cOutTypes),
	uintptr(pOutTypes),
	uintptr(ppEnum),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HRESULT

function DMOEnum(
  guidCategory: PGUID;   // GUID*
  dwFlags: DWORD;   // DWORD
  cInTypes: DWORD;   // DWORD
  pInTypes: Pointer;   // DMO_PARTIAL_MEDIATYPE*
  cOutTypes: DWORD;   // DWORD
  pOutTypes: Pointer;   // DMO_PARTIAL_MEDIATYPE*
  ppEnum: Pointer   // IEnumDMO** out
): Integer; stdcall;
  external 'msdmo.dll' name 'DMOEnum';

result := DllCall("msdmo\DMOEnum"
    , "Ptr", guidCategory   ; GUID*
    , "UInt", dwFlags   ; DWORD
    , "UInt", cInTypes   ; DWORD
    , "Ptr", pInTypes   ; DMO_PARTIAL_MEDIATYPE*
    , "UInt", cOutTypes   ; DWORD
    , "Ptr", pOutTypes   ; DMO_PARTIAL_MEDIATYPE*
    , "Ptr", ppEnum   ; IEnumDMO** out
    , "Int")   ; return: HRESULT

●DMOEnum(guidCategory, dwFlags, cInTypes, pInTypes, cOutTypes, pOutTypes, ppEnum) = DLL("msdmo.dll", "int DMOEnum(void*, dword, dword, void*, dword, void*, void*)")
# 呼び出し: DMOEnum(guidCategory, dwFlags, cInTypes, pInTypes, cOutTypes, pOutTypes, ppEnum)
# guidCategory : GUID* -> "void*"
# dwFlags : DWORD -> "dword"
# cInTypes : DWORD -> "dword"
# pInTypes : DMO_PARTIAL_MEDIATYPE* -> "void*"
# cOutTypes : DWORD -> "dword"
# pOutTypes : DMO_PARTIAL_MEDIATYPE* -> "void*"
# ppEnum : IEnumDMO** 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 "msdmo" fn DMOEnum(
    guidCategory: [*c]GUID, // GUID*
    dwFlags: u32, // DWORD
    cInTypes: u32, // DWORD
    pInTypes: [*c]DMO_PARTIAL_MEDIATYPE, // DMO_PARTIAL_MEDIATYPE*
    cOutTypes: u32, // DWORD
    pOutTypes: [*c]DMO_PARTIAL_MEDIATYPE, // DMO_PARTIAL_MEDIATYPE*
    ppEnum: ?*anyopaque // IEnumDMO** out
) callconv(std.os.windows.WINAPI) i32;

proc DMOEnum(
    guidCategory: ptr GUID,  # GUID*
    dwFlags: uint32,  # DWORD
    cInTypes: uint32,  # DWORD
    pInTypes: ptr DMO_PARTIAL_MEDIATYPE,  # DMO_PARTIAL_MEDIATYPE*
    cOutTypes: uint32,  # DWORD
    pOutTypes: ptr DMO_PARTIAL_MEDIATYPE,  # DMO_PARTIAL_MEDIATYPE*
    ppEnum: pointer  # IEnumDMO** out
): int32 {.importc: "DMOEnum", stdcall, dynlib: "msdmo.dll".}

pragma(lib, "msdmo");
extern(Windows)
int DMOEnum(
    GUID* guidCategory,   // GUID*
    uint dwFlags,   // DWORD
    uint cInTypes,   // DWORD
    DMO_PARTIAL_MEDIATYPE* pInTypes,   // DMO_PARTIAL_MEDIATYPE*
    uint cOutTypes,   // DWORD
    DMO_PARTIAL_MEDIATYPE* pOutTypes,   // DMO_PARTIAL_MEDIATYPE*
    void* ppEnum   // IEnumDMO** out
);

ccall((:DMOEnum, "msdmo.dll"), stdcall, Int32,
      (Ptr{GUID}, UInt32, UInt32, Ptr{DMO_PARTIAL_MEDIATYPE}, UInt32, Ptr{DMO_PARTIAL_MEDIATYPE}, Ptr{Cvoid}),
      guidCategory, dwFlags, cInTypes, pInTypes, cOutTypes, pOutTypes, ppEnum)
# guidCategory : GUID* -> Ptr{GUID}
# dwFlags : DWORD -> UInt32
# cInTypes : DWORD -> UInt32
# pInTypes : DMO_PARTIAL_MEDIATYPE* -> Ptr{DMO_PARTIAL_MEDIATYPE}
# cOutTypes : DWORD -> UInt32
# pOutTypes : DMO_PARTIAL_MEDIATYPE* -> Ptr{DMO_PARTIAL_MEDIATYPE}
# ppEnum : IEnumDMO** 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 DMOEnum(
    void* guidCategory,
    uint32_t dwFlags,
    uint32_t cInTypes,
    void* pInTypes,
    uint32_t cOutTypes,
    void* pOutTypes,
    void* ppEnum);
]]
local msdmo = ffi.load("msdmo")
-- msdmo.DMOEnum(guidCategory, dwFlags, cInTypes, pInTypes, cOutTypes, pOutTypes, ppEnum)
-- guidCategory : GUID*
-- dwFlags : DWORD
-- cInTypes : DWORD
-- pInTypes : DMO_PARTIAL_MEDIATYPE*
-- cOutTypes : DWORD
-- pOutTypes : DMO_PARTIAL_MEDIATYPE*
-- ppEnum : IEnumDMO** 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('msdmo.dll');
const DMOEnum = lib.func('__stdcall', 'DMOEnum', 'int32_t', ['void *', 'uint32_t', 'uint32_t', 'void *', 'uint32_t', 'void *', 'void *']);
// DMOEnum(guidCategory, dwFlags, cInTypes, pInTypes, cOutTypes, pOutTypes, ppEnum)
// guidCategory : GUID* -> 'void *'
// dwFlags : DWORD -> 'uint32_t'
// cInTypes : DWORD -> 'uint32_t'
// pInTypes : DMO_PARTIAL_MEDIATYPE* -> 'void *'
// cOutTypes : DWORD -> 'uint32_t'
// pOutTypes : DMO_PARTIAL_MEDIATYPE* -> 'void *'
// ppEnum : IEnumDMO** 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("msdmo.dll", {
  DMOEnum: { parameters: ["pointer", "u32", "u32", "pointer", "u32", "pointer", "pointer"], result: "i32" },
});
// lib.symbols.DMOEnum(guidCategory, dwFlags, cInTypes, pInTypes, cOutTypes, pOutTypes, ppEnum)
// guidCategory : GUID* -> "pointer"
// dwFlags : DWORD -> "u32"
// cInTypes : DWORD -> "u32"
// pInTypes : DMO_PARTIAL_MEDIATYPE* -> "pointer"
// cOutTypes : DWORD -> "u32"
// pOutTypes : DMO_PARTIAL_MEDIATYPE* -> "pointer"
// ppEnum : IEnumDMO** 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 DMOEnum(
    void* guidCategory,
    uint32_t dwFlags,
    uint32_t cInTypes,
    void* pInTypes,
    uint32_t cOutTypes,
    void* pOutTypes,
    void* ppEnum);
C, "msdmo.dll");
// $ffi->DMOEnum(guidCategory, dwFlags, cInTypes, pInTypes, cOutTypes, pOutTypes, ppEnum);
// guidCategory : GUID*
// dwFlags : DWORD
// cInTypes : DWORD
// pInTypes : DMO_PARTIAL_MEDIATYPE*
// cOutTypes : DWORD
// pOutTypes : DMO_PARTIAL_MEDIATYPE*
// ppEnum : IEnumDMO** 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 Msdmo extends StdCallLibrary {
    Msdmo INSTANCE = Native.load("msdmo", Msdmo.class);
    int DMOEnum(
        Pointer guidCategory,   // GUID*
        int dwFlags,   // DWORD
        int cInTypes,   // DWORD
        Pointer pInTypes,   // DMO_PARTIAL_MEDIATYPE*
        int cOutTypes,   // DWORD
        Pointer pOutTypes,   // DMO_PARTIAL_MEDIATYPE*
        Pointer ppEnum   // IEnumDMO** out
    );
}

@[Link("msdmo")]
lib Libmsdmo
  fun DMOEnum = DMOEnum(
    guidCategory : GUID*,   # GUID*
    dwFlags : UInt32,   # DWORD
    cInTypes : UInt32,   # DWORD
    pInTypes : DMO_PARTIAL_MEDIATYPE*,   # DMO_PARTIAL_MEDIATYPE*
    cOutTypes : UInt32,   # DWORD
    pOutTypes : DMO_PARTIAL_MEDIATYPE*,   # DMO_PARTIAL_MEDIATYPE*
    ppEnum : Void*   # IEnumDMO** 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 DMOEnumNative = Int32 Function(Pointer<Void>, Uint32, Uint32, Pointer<Void>, Uint32, Pointer<Void>, Pointer<Void>);
typedef DMOEnumDart = int Function(Pointer<Void>, int, int, Pointer<Void>, int, Pointer<Void>, Pointer<Void>);
final DMOEnum = DynamicLibrary.open('msdmo.dll')
    .lookupFunction<DMOEnumNative, DMOEnumDart>('DMOEnum');
// guidCategory : GUID* -> Pointer<Void>
// dwFlags : DWORD -> Uint32
// cInTypes : DWORD -> Uint32
// pInTypes : DMO_PARTIAL_MEDIATYPE* -> Pointer<Void>
// cOutTypes : DWORD -> Uint32
// pOutTypes : DMO_PARTIAL_MEDIATYPE* -> Pointer<Void>
// ppEnum : IEnumDMO** out -> Pointer<Void>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
function DMOEnum(
  guidCategory: PGUID;   // GUID*
  dwFlags: DWORD;   // DWORD
  cInTypes: DWORD;   // DWORD
  pInTypes: Pointer;   // DMO_PARTIAL_MEDIATYPE*
  cOutTypes: DWORD;   // DWORD
  pOutTypes: Pointer;   // DMO_PARTIAL_MEDIATYPE*
  ppEnum: Pointer   // IEnumDMO** out
): Integer; stdcall;
  external 'msdmo.dll' name 'DMOEnum';

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

foreign import stdcall safe "DMOEnum"
  c_DMOEnum :: Ptr () -> Word32 -> Word32 -> Ptr () -> Word32 -> Ptr () -> Ptr () -> IO Int32
-- guidCategory : GUID* -> Ptr ()
-- dwFlags : DWORD -> Word32
-- cInTypes : DWORD -> Word32
-- pInTypes : DMO_PARTIAL_MEDIATYPE* -> Ptr ()
-- cOutTypes : DWORD -> Word32
-- pOutTypes : DMO_PARTIAL_MEDIATYPE* -> Ptr ()
-- ppEnum : IEnumDMO** 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 dmoenum =
  foreign "DMOEnum"
    ((ptr void) @-> uint32_t @-> uint32_t @-> (ptr void) @-> uint32_t @-> (ptr void) @-> (ptr void) @-> returning int32_t)
(* guidCategory : GUID* -> (ptr void) *)
(* dwFlags : DWORD -> uint32_t *)
(* cInTypes : DWORD -> uint32_t *)
(* pInTypes : DMO_PARTIAL_MEDIATYPE* -> (ptr void) *)
(* cOutTypes : DWORD -> uint32_t *)
(* pOutTypes : DMO_PARTIAL_MEDIATYPE* -> (ptr void) *)
(* ppEnum : IEnumDMO** 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 msdmo (t "msdmo.dll"))
(cffi:use-foreign-library msdmo)

(cffi:defcfun ("DMOEnum" dmoenum :convention :stdcall) :int32
  (guid-category :pointer)   ; GUID*
  (dw-flags :uint32)   ; DWORD
  (c-in-types :uint32)   ; DWORD
  (p-in-types :pointer)   ; DMO_PARTIAL_MEDIATYPE*
  (c-out-types :uint32)   ; DWORD
  (p-out-types :pointer)   ; DMO_PARTIAL_MEDIATYPE*
  (pp-enum :pointer))   ; IEnumDMO** out
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。

use Win32::API;
my $DMOEnum = Win32::API::More->new('msdmo',
    'int DMOEnum(LPVOID guidCategory, DWORD dwFlags, DWORD cInTypes, LPVOID pInTypes, DWORD cOutTypes, LPVOID pOutTypes, LPVOID ppEnum)');
# my $ret = $DMOEnum->Call($guidCategory, $dwFlags, $cInTypes, $pInTypes, $cOutTypes, $pOutTypes, $ppEnum);
# guidCategory : GUID* -> LPVOID
# dwFlags : DWORD -> DWORD
# cInTypes : DWORD -> DWORD
# pInTypes : DMO_PARTIAL_MEDIATYPE* -> LPVOID
# cOutTypes : DWORD -> DWORD
# pOutTypes : DMO_PARTIAL_MEDIATYPE* -> LPVOID
# ppEnum : IEnumDMO** out -> LPVOID
# 値渡し構造体は pack() した文字列、または Win32::API::Struct を使用。