MFCreateAggregateSource

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

HRESULT MFCreateAggregateSource(
    IMFCollection* pSourceCollection,
    IMFMediaSource** ppAggSource
);

<DllImport("MF.dll", ExactSpelling:=True)>
Public Shared Function MFCreateAggregateSource(
    pSourceCollection As IntPtr,   ' IMFCollection*
    ppAggSource As IntPtr   ' IMFMediaSource** out
) As Integer
End Function

' pSourceCollection : IMFCollection*
' ppAggSource : IMFMediaSource** out
Declare PtrSafe Function MFCreateAggregateSource Lib "mf" ( _
    ByVal pSourceCollection As LongPtr, _
    ByVal ppAggSource 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

MFCreateAggregateSource = ctypes.windll.mf.MFCreateAggregateSource
MFCreateAggregateSource.restype = ctypes.c_int
MFCreateAggregateSource.argtypes = [
    ctypes.c_void_p,  # pSourceCollection : IMFCollection*
    ctypes.c_void_p,  # ppAggSource : IMFMediaSource** out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('MF.dll')
MFCreateAggregateSource = Fiddle::Function.new(
  lib['MFCreateAggregateSource'],
  [
    Fiddle::TYPE_VOIDP,  # pSourceCollection : IMFCollection*
    Fiddle::TYPE_VOIDP,  # ppAggSource : IMFMediaSource** out
  ],
  Fiddle::TYPE_INT)

#[link(name = "mf")]
extern "system" {
    fn MFCreateAggregateSource(
        pSourceCollection: *mut core::ffi::c_void,  // IMFCollection*
        ppAggSource: *mut *mut core::ffi::c_void  // IMFMediaSource** out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

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

#uselib "MF.dll"
#func global MFCreateAggregateSource "MFCreateAggregateSource" sptr, sptr
; MFCreateAggregateSource pSourceCollection, ppAggSource   ; 戻り値は stat
; pSourceCollection : IMFCollection* -> "sptr"
; ppAggSource : IMFMediaSource** 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 MFCreateAggregateSource "MFCreateAggregateSource" sptr, sptr
; res = MFCreateAggregateSource(pSourceCollection, ppAggSource)
; pSourceCollection : IMFCollection* -> "sptr"
; ppAggSource : IMFMediaSource** out -> "sptr"

; HRESULT MFCreateAggregateSource(IMFCollection* pSourceCollection, IMFMediaSource** ppAggSource)
#uselib "MF.dll"
#cfunc global MFCreateAggregateSource "MFCreateAggregateSource" intptr, intptr
; res = MFCreateAggregateSource(pSourceCollection, ppAggSource)
; pSourceCollection : IMFCollection* -> "intptr"
; ppAggSource : IMFMediaSource** out -> "intptr"

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

var (
	mf = windows.NewLazySystemDLL("MF.dll")
	procMFCreateAggregateSource = mf.NewProc("MFCreateAggregateSource")
)

// pSourceCollection (IMFCollection*), ppAggSource (IMFMediaSource** out)
r1, _, err := procMFCreateAggregateSource.Call(
	uintptr(pSourceCollection),
	uintptr(ppAggSource),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HRESULT

function MFCreateAggregateSource(
  pSourceCollection: Pointer;   // IMFCollection*
  ppAggSource: Pointer   // IMFMediaSource** out
): Integer; stdcall;
  external 'MF.dll' name 'MFCreateAggregateSource';

result := DllCall("MF\MFCreateAggregateSource"
    , "Ptr", pSourceCollection   ; IMFCollection*
    , "Ptr", ppAggSource   ; IMFMediaSource** out
    , "Int")   ; return: HRESULT

●MFCreateAggregateSource(pSourceCollection, ppAggSource) = DLL("MF.dll", "int MFCreateAggregateSource(void*, void*)")
# 呼び出し: MFCreateAggregateSource(pSourceCollection, ppAggSource)
# pSourceCollection : IMFCollection* -> "void*"
# ppAggSource : IMFMediaSource** 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 "mf" fn MFCreateAggregateSource(
    pSourceCollection: ?*anyopaque, // IMFCollection*
    ppAggSource: ?*anyopaque // IMFMediaSource** out
) callconv(std.os.windows.WINAPI) i32;

proc MFCreateAggregateSource(
    pSourceCollection: pointer,  # IMFCollection*
    ppAggSource: pointer  # IMFMediaSource** out
): int32 {.importc: "MFCreateAggregateSource", stdcall, dynlib: "MF.dll".}

pragma(lib, "mf");
extern(Windows)
int MFCreateAggregateSource(
    void* pSourceCollection,   // IMFCollection*
    void* ppAggSource   // IMFMediaSource** out
);

ccall((:MFCreateAggregateSource, "MF.dll"), stdcall, Int32,
      (Ptr{Cvoid}, Ptr{Cvoid}),
      pSourceCollection, ppAggSource)
# pSourceCollection : IMFCollection* -> Ptr{Cvoid}
# ppAggSource : IMFMediaSource** 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 MFCreateAggregateSource(
    void* pSourceCollection,
    void* ppAggSource);
]]
local mf = ffi.load("mf")
-- mf.MFCreateAggregateSource(pSourceCollection, ppAggSource)
-- pSourceCollection : IMFCollection*
-- ppAggSource : IMFMediaSource** 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('MF.dll');
const MFCreateAggregateSource = lib.func('__stdcall', 'MFCreateAggregateSource', 'int32_t', ['void *', 'void *']);
// MFCreateAggregateSource(pSourceCollection, ppAggSource)
// pSourceCollection : IMFCollection* -> 'void *'
// ppAggSource : IMFMediaSource** 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("MF.dll", {
  MFCreateAggregateSource: { parameters: ["pointer", "pointer"], result: "i32" },
});
// lib.symbols.MFCreateAggregateSource(pSourceCollection, ppAggSource)
// pSourceCollection : IMFCollection* -> "pointer"
// ppAggSource : IMFMediaSource** 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 MFCreateAggregateSource(
    void* pSourceCollection,
    void* ppAggSource);
C, "MF.dll");
// $ffi->MFCreateAggregateSource(pSourceCollection, ppAggSource);
// pSourceCollection : IMFCollection*
// ppAggSource : IMFMediaSource** 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 Mf extends StdCallLibrary {
    Mf INSTANCE = Native.load("mf", Mf.class);
    int MFCreateAggregateSource(
        Pointer pSourceCollection,   // IMFCollection*
        Pointer ppAggSource   // IMFMediaSource** out
    );
}

@[Link("mf")]
lib LibMF
  fun MFCreateAggregateSource = MFCreateAggregateSource(
    pSourceCollection : Void*,   # IMFCollection*
    ppAggSource : Void*   # IMFMediaSource** 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 MFCreateAggregateSourceNative = Int32 Function(Pointer<Void>, Pointer<Void>);
typedef MFCreateAggregateSourceDart = int Function(Pointer<Void>, Pointer<Void>);
final MFCreateAggregateSource = DynamicLibrary.open('MF.dll')
    .lookupFunction<MFCreateAggregateSourceNative, MFCreateAggregateSourceDart>('MFCreateAggregateSource');
// pSourceCollection : IMFCollection* -> Pointer<Void>
// ppAggSource : IMFMediaSource** out -> Pointer<Void>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
function MFCreateAggregateSource(
  pSourceCollection: Pointer;   // IMFCollection*
  ppAggSource: Pointer   // IMFMediaSource** out
): Integer; stdcall;
  external 'MF.dll' name 'MFCreateAggregateSource';

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

foreign import stdcall safe "MFCreateAggregateSource"
  c_MFCreateAggregateSource :: Ptr () -> Ptr () -> IO Int32
-- pSourceCollection : IMFCollection* -> Ptr ()
-- ppAggSource : IMFMediaSource** 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 mfcreateaggregatesource =
  foreign "MFCreateAggregateSource"
    ((ptr void) @-> (ptr void) @-> returning int32_t)
(* pSourceCollection : IMFCollection* -> (ptr void) *)
(* ppAggSource : IMFMediaSource** 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 mf (t "MF.dll"))
(cffi:use-foreign-library mf)

(cffi:defcfun ("MFCreateAggregateSource" mfcreate-aggregate-source :convention :stdcall) :int32
  (p-source-collection :pointer)   ; IMFCollection*
  (pp-agg-source :pointer))   ; IMFMediaSource** out
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。

use Win32::API;
my $MFCreateAggregateSource = Win32::API::More->new('MF',
    'int MFCreateAggregateSource(LPVOID pSourceCollection, LPVOID ppAggSource)');
# my $ret = $MFCreateAggregateSource->Call($pSourceCollection, $ppAggSource);
# pSourceCollection : IMFCollection* -> LPVOID
# ppAggSource : IMFMediaSource** out -> LPVOID
# 値渡し構造体は pack() した文字列、または Win32::API::Struct を使用。