MFCreateVideoMixerAndPresenter

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

HRESULT MFCreateVideoMixerAndPresenter(
    IUnknown* pMixerOwner,   // optional
    IUnknown* pPresenterOwner,   // optional
    const GUID* riidMixer,
    void** ppvVideoMixer,
    const GUID* riidPresenter,
    void** ppvVideoPresenter
);

<DllImport("EVR.dll", ExactSpelling:=True)>
Public Shared Function MFCreateVideoMixerAndPresenter(
    pMixerOwner As IntPtr,   ' IUnknown* optional
    pPresenterOwner As IntPtr,   ' IUnknown* optional
    ByRef riidMixer As Guid,   ' GUID*
    ppvVideoMixer As IntPtr,   ' void** out
    ByRef riidPresenter As Guid,   ' GUID*
    ppvVideoPresenter As IntPtr   ' void** out
) As Integer
End Function

' pMixerOwner : IUnknown* optional
' pPresenterOwner : IUnknown* optional
' riidMixer : GUID*
' ppvVideoMixer : void** out
' riidPresenter : GUID*
' ppvVideoPresenter : void** out
Declare PtrSafe Function MFCreateVideoMixerAndPresenter Lib "evr" ( _
    ByVal pMixerOwner As LongPtr, _
    ByVal pPresenterOwner As LongPtr, _
    ByVal riidMixer As LongPtr, _
    ByVal ppvVideoMixer As LongPtr, _
    ByVal riidPresenter As LongPtr, _
    ByVal ppvVideoPresenter 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

MFCreateVideoMixerAndPresenter = ctypes.windll.evr.MFCreateVideoMixerAndPresenter
MFCreateVideoMixerAndPresenter.restype = ctypes.c_int
MFCreateVideoMixerAndPresenter.argtypes = [
    ctypes.c_void_p,  # pMixerOwner : IUnknown* optional
    ctypes.c_void_p,  # pPresenterOwner : IUnknown* optional
    ctypes.c_void_p,  # riidMixer : GUID*
    ctypes.c_void_p,  # ppvVideoMixer : void** out
    ctypes.c_void_p,  # riidPresenter : GUID*
    ctypes.c_void_p,  # ppvVideoPresenter : void** out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('EVR.dll')
MFCreateVideoMixerAndPresenter = Fiddle::Function.new(
  lib['MFCreateVideoMixerAndPresenter'],
  [
    Fiddle::TYPE_VOIDP,  # pMixerOwner : IUnknown* optional
    Fiddle::TYPE_VOIDP,  # pPresenterOwner : IUnknown* optional
    Fiddle::TYPE_VOIDP,  # riidMixer : GUID*
    Fiddle::TYPE_VOIDP,  # ppvVideoMixer : void** out
    Fiddle::TYPE_VOIDP,  # riidPresenter : GUID*
    Fiddle::TYPE_VOIDP,  # ppvVideoPresenter : void** out
  ],
  Fiddle::TYPE_INT)

#[link(name = "evr")]
extern "system" {
    fn MFCreateVideoMixerAndPresenter(
        pMixerOwner: *mut core::ffi::c_void,  // IUnknown* optional
        pPresenterOwner: *mut core::ffi::c_void,  // IUnknown* optional
        riidMixer: *const GUID,  // GUID*
        ppvVideoMixer: *mut *mut (),  // void** out
        riidPresenter: *const GUID,  // GUID*
        ppvVideoPresenter: *mut *mut ()  // void** out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("EVR.dll")]
public static extern int MFCreateVideoMixerAndPresenter(IntPtr pMixerOwner, IntPtr pPresenterOwner, ref Guid riidMixer, IntPtr ppvVideoMixer, ref Guid riidPresenter, IntPtr ppvVideoPresenter);
"@
$api = Add-Type -MemberDefinition $sig -Name 'EVR_MFCreateVideoMixerAndPresenter' -Namespace Win32 -PassThru
# $api::MFCreateVideoMixerAndPresenter(pMixerOwner, pPresenterOwner, riidMixer, ppvVideoMixer, riidPresenter, ppvVideoPresenter)

#uselib "EVR.dll"
#func global MFCreateVideoMixerAndPresenter "MFCreateVideoMixerAndPresenter" sptr, sptr, sptr, sptr, sptr, sptr
; MFCreateVideoMixerAndPresenter pMixerOwner, pPresenterOwner, varptr(riidMixer), ppvVideoMixer, varptr(riidPresenter), ppvVideoPresenter   ; 戻り値は stat
; pMixerOwner : IUnknown* optional -> "sptr"
; pPresenterOwner : IUnknown* optional -> "sptr"
; riidMixer : GUID* -> "sptr"
; ppvVideoMixer : void** out -> "sptr"
; riidPresenter : GUID* -> "sptr"
; ppvVideoPresenter : void** 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 (
	evr = windows.NewLazySystemDLL("EVR.dll")
	procMFCreateVideoMixerAndPresenter = evr.NewProc("MFCreateVideoMixerAndPresenter")
)

// pMixerOwner (IUnknown* optional), pPresenterOwner (IUnknown* optional), riidMixer (GUID*), ppvVideoMixer (void** out), riidPresenter (GUID*), ppvVideoPresenter (void** out)
r1, _, err := procMFCreateVideoMixerAndPresenter.Call(
	uintptr(pMixerOwner),
	uintptr(pPresenterOwner),
	uintptr(riidMixer),
	uintptr(ppvVideoMixer),
	uintptr(riidPresenter),
	uintptr(ppvVideoPresenter),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HRESULT

function MFCreateVideoMixerAndPresenter(
  pMixerOwner: Pointer;   // IUnknown* optional
  pPresenterOwner: Pointer;   // IUnknown* optional
  riidMixer: PGUID;   // GUID*
  ppvVideoMixer: Pointer;   // void** out
  riidPresenter: PGUID;   // GUID*
  ppvVideoPresenter: Pointer   // void** out
): Integer; stdcall;
  external 'EVR.dll' name 'MFCreateVideoMixerAndPresenter';

result := DllCall("EVR\MFCreateVideoMixerAndPresenter"
    , "Ptr", pMixerOwner   ; IUnknown* optional
    , "Ptr", pPresenterOwner   ; IUnknown* optional
    , "Ptr", riidMixer   ; GUID*
    , "Ptr", ppvVideoMixer   ; void** out
    , "Ptr", riidPresenter   ; GUID*
    , "Ptr", ppvVideoPresenter   ; void** out
    , "Int")   ; return: HRESULT

●MFCreateVideoMixerAndPresenter(pMixerOwner, pPresenterOwner, riidMixer, ppvVideoMixer, riidPresenter, ppvVideoPresenter) = DLL("EVR.dll", "int MFCreateVideoMixerAndPresenter(void*, void*, void*, void*, void*, void*)")
# 呼び出し: MFCreateVideoMixerAndPresenter(pMixerOwner, pPresenterOwner, riidMixer, ppvVideoMixer, riidPresenter, ppvVideoPresenter)
# pMixerOwner : IUnknown* optional -> "void*"
# pPresenterOwner : IUnknown* optional -> "void*"
# riidMixer : GUID* -> "void*"
# ppvVideoMixer : void** out -> "void*"
# riidPresenter : GUID* -> "void*"
# ppvVideoPresenter : void** 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 "evr" fn MFCreateVideoMixerAndPresenter(
    pMixerOwner: ?*anyopaque, // IUnknown* optional
    pPresenterOwner: ?*anyopaque, // IUnknown* optional
    riidMixer: [*c]GUID, // GUID*
    ppvVideoMixer: ?*anyopaque, // void** out
    riidPresenter: [*c]GUID, // GUID*
    ppvVideoPresenter: ?*anyopaque // void** out
) callconv(std.os.windows.WINAPI) i32;

proc MFCreateVideoMixerAndPresenter(
    pMixerOwner: pointer,  # IUnknown* optional
    pPresenterOwner: pointer,  # IUnknown* optional
    riidMixer: ptr GUID,  # GUID*
    ppvVideoMixer: pointer,  # void** out
    riidPresenter: ptr GUID,  # GUID*
    ppvVideoPresenter: pointer  # void** out
): int32 {.importc: "MFCreateVideoMixerAndPresenter", stdcall, dynlib: "EVR.dll".}

pragma(lib, "evr");
extern(Windows)
int MFCreateVideoMixerAndPresenter(
    void* pMixerOwner,   // IUnknown* optional
    void* pPresenterOwner,   // IUnknown* optional
    GUID* riidMixer,   // GUID*
    void** ppvVideoMixer,   // void** out
    GUID* riidPresenter,   // GUID*
    void** ppvVideoPresenter   // void** out
);

ccall((:MFCreateVideoMixerAndPresenter, "EVR.dll"), stdcall, Int32,
      (Ptr{Cvoid}, Ptr{Cvoid}, Ptr{GUID}, Ptr{Cvoid}, Ptr{GUID}, Ptr{Cvoid}),
      pMixerOwner, pPresenterOwner, riidMixer, ppvVideoMixer, riidPresenter, ppvVideoPresenter)
# pMixerOwner : IUnknown* optional -> Ptr{Cvoid}
# pPresenterOwner : IUnknown* optional -> Ptr{Cvoid}
# riidMixer : GUID* -> Ptr{GUID}
# ppvVideoMixer : void** out -> Ptr{Cvoid}
# riidPresenter : GUID* -> Ptr{GUID}
# ppvVideoPresenter : void** 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 MFCreateVideoMixerAndPresenter(
    void* pMixerOwner,
    void* pPresenterOwner,
    void* riidMixer,
    void** ppvVideoMixer,
    void* riidPresenter,
    void** ppvVideoPresenter);
]]
local evr = ffi.load("evr")
-- evr.MFCreateVideoMixerAndPresenter(pMixerOwner, pPresenterOwner, riidMixer, ppvVideoMixer, riidPresenter, ppvVideoPresenter)
-- pMixerOwner : IUnknown* optional
-- pPresenterOwner : IUnknown* optional
-- riidMixer : GUID*
-- ppvVideoMixer : void** out
-- riidPresenter : GUID*
-- ppvVideoPresenter : void** 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('EVR.dll');
const MFCreateVideoMixerAndPresenter = lib.func('__stdcall', 'MFCreateVideoMixerAndPresenter', 'int32_t', ['void *', 'void *', 'void *', 'void *', 'void *', 'void *']);
// MFCreateVideoMixerAndPresenter(pMixerOwner, pPresenterOwner, riidMixer, ppvVideoMixer, riidPresenter, ppvVideoPresenter)
// pMixerOwner : IUnknown* optional -> 'void *'
// pPresenterOwner : IUnknown* optional -> 'void *'
// riidMixer : GUID* -> 'void *'
// ppvVideoMixer : void** out -> 'void *'
// riidPresenter : GUID* -> 'void *'
// ppvVideoPresenter : void** 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("EVR.dll", {
  MFCreateVideoMixerAndPresenter: { parameters: ["pointer", "pointer", "pointer", "pointer", "pointer", "pointer"], result: "i32" },
});
// lib.symbols.MFCreateVideoMixerAndPresenter(pMixerOwner, pPresenterOwner, riidMixer, ppvVideoMixer, riidPresenter, ppvVideoPresenter)
// pMixerOwner : IUnknown* optional -> "pointer"
// pPresenterOwner : IUnknown* optional -> "pointer"
// riidMixer : GUID* -> "pointer"
// ppvVideoMixer : void** out -> "pointer"
// riidPresenter : GUID* -> "pointer"
// ppvVideoPresenter : void** 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 MFCreateVideoMixerAndPresenter(
    void* pMixerOwner,
    void* pPresenterOwner,
    void* riidMixer,
    void** ppvVideoMixer,
    void* riidPresenter,
    void** ppvVideoPresenter);
C, "EVR.dll");
// $ffi->MFCreateVideoMixerAndPresenter(pMixerOwner, pPresenterOwner, riidMixer, ppvVideoMixer, riidPresenter, ppvVideoPresenter);
// pMixerOwner : IUnknown* optional
// pPresenterOwner : IUnknown* optional
// riidMixer : GUID*
// ppvVideoMixer : void** out
// riidPresenter : GUID*
// ppvVideoPresenter : void** 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 Evr extends StdCallLibrary {
    Evr INSTANCE = Native.load("evr", Evr.class);
    int MFCreateVideoMixerAndPresenter(
        Pointer pMixerOwner,   // IUnknown* optional
        Pointer pPresenterOwner,   // IUnknown* optional
        Pointer riidMixer,   // GUID*
        Pointer ppvVideoMixer,   // void** out
        Pointer riidPresenter,   // GUID*
        Pointer ppvVideoPresenter   // void** out
    );
}

@[Link("evr")]
lib LibEVR
  fun MFCreateVideoMixerAndPresenter = MFCreateVideoMixerAndPresenter(
    pMixerOwner : Void*,   # IUnknown* optional
    pPresenterOwner : Void*,   # IUnknown* optional
    riidMixer : GUID*,   # GUID*
    ppvVideoMixer : Void**,   # void** out
    riidPresenter : GUID*,   # GUID*
    ppvVideoPresenter : Void**   # void** 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 MFCreateVideoMixerAndPresenterNative = Int32 Function(Pointer<Void>, Pointer<Void>, Pointer<Void>, Pointer<Void>, Pointer<Void>, Pointer<Void>);
typedef MFCreateVideoMixerAndPresenterDart = int Function(Pointer<Void>, Pointer<Void>, Pointer<Void>, Pointer<Void>, Pointer<Void>, Pointer<Void>);
final MFCreateVideoMixerAndPresenter = DynamicLibrary.open('EVR.dll')
    .lookupFunction<MFCreateVideoMixerAndPresenterNative, MFCreateVideoMixerAndPresenterDart>('MFCreateVideoMixerAndPresenter');
// pMixerOwner : IUnknown* optional -> Pointer<Void>
// pPresenterOwner : IUnknown* optional -> Pointer<Void>
// riidMixer : GUID* -> Pointer<Void>
// ppvVideoMixer : void** out -> Pointer<Void>
// riidPresenter : GUID* -> Pointer<Void>
// ppvVideoPresenter : void** out -> Pointer<Void>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
function MFCreateVideoMixerAndPresenter(
  pMixerOwner: Pointer;   // IUnknown* optional
  pPresenterOwner: Pointer;   // IUnknown* optional
  riidMixer: PGUID;   // GUID*
  ppvVideoMixer: Pointer;   // void** out
  riidPresenter: PGUID;   // GUID*
  ppvVideoPresenter: Pointer   // void** out
): Integer; stdcall;
  external 'EVR.dll' name 'MFCreateVideoMixerAndPresenter';

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

foreign import stdcall safe "MFCreateVideoMixerAndPresenter"
  c_MFCreateVideoMixerAndPresenter :: Ptr () -> Ptr () -> Ptr () -> Ptr () -> Ptr () -> Ptr () -> IO Int32
-- pMixerOwner : IUnknown* optional -> Ptr ()
-- pPresenterOwner : IUnknown* optional -> Ptr ()
-- riidMixer : GUID* -> Ptr ()
-- ppvVideoMixer : void** out -> Ptr ()
-- riidPresenter : GUID* -> Ptr ()
-- ppvVideoPresenter : void** 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 mfcreatevideomixerandpresenter =
  foreign "MFCreateVideoMixerAndPresenter"
    ((ptr void) @-> (ptr void) @-> (ptr void) @-> (ptr void) @-> (ptr void) @-> (ptr void) @-> returning int32_t)
(* pMixerOwner : IUnknown* optional -> (ptr void) *)
(* pPresenterOwner : IUnknown* optional -> (ptr void) *)
(* riidMixer : GUID* -> (ptr void) *)
(* ppvVideoMixer : void** out -> (ptr void) *)
(* riidPresenter : GUID* -> (ptr void) *)
(* ppvVideoPresenter : void** 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 evr (t "EVR.dll"))
(cffi:use-foreign-library evr)

(cffi:defcfun ("MFCreateVideoMixerAndPresenter" mfcreate-video-mixer-and-presenter :convention :stdcall) :int32
  (p-mixer-owner :pointer)   ; IUnknown* optional
  (p-presenter-owner :pointer)   ; IUnknown* optional
  (riid-mixer :pointer)   ; GUID*
  (ppv-video-mixer :pointer)   ; void** out
  (riid-presenter :pointer)   ; GUID*
  (ppv-video-presenter :pointer))   ; void** out
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。

use Win32::API;
my $MFCreateVideoMixerAndPresenter = Win32::API::More->new('EVR',
    'int MFCreateVideoMixerAndPresenter(LPVOID pMixerOwner, LPVOID pPresenterOwner, LPVOID riidMixer, LPVOID ppvVideoMixer, LPVOID riidPresenter, LPVOID ppvVideoPresenter)');
# my $ret = $MFCreateVideoMixerAndPresenter->Call($pMixerOwner, $pPresenterOwner, $riidMixer, $ppvVideoMixer, $riidPresenter, $ppvVideoPresenter);
# pMixerOwner : IUnknown* optional -> LPVOID
# pPresenterOwner : IUnknown* optional -> LPVOID
# riidMixer : GUID* -> LPVOID
# ppvVideoMixer : void** out -> LPVOID
# riidPresenter : GUID* -> LPVOID
# ppvVideoPresenter : void** out -> LPVOID
# 値渡し構造体は pack() した文字列、または Win32::API::Struct を使用。