MFCreatePresentationDescriptor

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

HRESULT MFCreatePresentationDescriptor(
    DWORD cStreamDescriptors,
    IMFStreamDescriptor** apStreamDescriptors,   // optional
    IMFPresentationDescriptor** ppPresentationDescriptor
);

<DllImport("MFPlat.dll", ExactSpelling:=True)>
Public Shared Function MFCreatePresentationDescriptor(
    cStreamDescriptors As UInteger,   ' DWORD
    apStreamDescriptors As IntPtr,   ' IMFStreamDescriptor** optional
    ppPresentationDescriptor As IntPtr   ' IMFPresentationDescriptor** out
) As Integer
End Function

' cStreamDescriptors : DWORD
' apStreamDescriptors : IMFStreamDescriptor** optional
' ppPresentationDescriptor : IMFPresentationDescriptor** out
Declare PtrSafe Function MFCreatePresentationDescriptor Lib "mfplat" ( _
    ByVal cStreamDescriptors As Long, _
    ByVal apStreamDescriptors As LongPtr, _
    ByVal ppPresentationDescriptor 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

MFCreatePresentationDescriptor = ctypes.windll.mfplat.MFCreatePresentationDescriptor
MFCreatePresentationDescriptor.restype = ctypes.c_int
MFCreatePresentationDescriptor.argtypes = [
    wintypes.DWORD,  # cStreamDescriptors : DWORD
    ctypes.c_void_p,  # apStreamDescriptors : IMFStreamDescriptor** optional
    ctypes.c_void_p,  # ppPresentationDescriptor : IMFPresentationDescriptor** out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('MFPlat.dll')
MFCreatePresentationDescriptor = Fiddle::Function.new(
  lib['MFCreatePresentationDescriptor'],
  [
    -Fiddle::TYPE_INT,  # cStreamDescriptors : DWORD
    Fiddle::TYPE_VOIDP,  # apStreamDescriptors : IMFStreamDescriptor** optional
    Fiddle::TYPE_VOIDP,  # ppPresentationDescriptor : IMFPresentationDescriptor** out
  ],
  Fiddle::TYPE_INT)

#[link(name = "mfplat")]
extern "system" {
    fn MFCreatePresentationDescriptor(
        cStreamDescriptors: u32,  // DWORD
        apStreamDescriptors: *mut *mut core::ffi::c_void,  // IMFStreamDescriptor** optional
        ppPresentationDescriptor: *mut *mut core::ffi::c_void  // IMFPresentationDescriptor** out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("MFPlat.dll")]
public static extern int MFCreatePresentationDescriptor(uint cStreamDescriptors, IntPtr apStreamDescriptors, IntPtr ppPresentationDescriptor);
"@
$api = Add-Type -MemberDefinition $sig -Name 'MFPlat_MFCreatePresentationDescriptor' -Namespace Win32 -PassThru
# $api::MFCreatePresentationDescriptor(cStreamDescriptors, apStreamDescriptors, ppPresentationDescriptor)

#uselib "MFPlat.dll"
#func global MFCreatePresentationDescriptor "MFCreatePresentationDescriptor" sptr, sptr, sptr
; MFCreatePresentationDescriptor cStreamDescriptors, apStreamDescriptors, ppPresentationDescriptor   ; 戻り値は stat
; cStreamDescriptors : DWORD -> "sptr"
; apStreamDescriptors : IMFStreamDescriptor** optional -> "sptr"
; ppPresentationDescriptor : IMFPresentationDescriptor** 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 "MFPlat.dll"
#cfunc global MFCreatePresentationDescriptor "MFCreatePresentationDescriptor" int, sptr, sptr
; res = MFCreatePresentationDescriptor(cStreamDescriptors, apStreamDescriptors, ppPresentationDescriptor)
; cStreamDescriptors : DWORD -> "int"
; apStreamDescriptors : IMFStreamDescriptor** optional -> "sptr"
; ppPresentationDescriptor : IMFPresentationDescriptor** out -> "sptr"

; HRESULT MFCreatePresentationDescriptor(DWORD cStreamDescriptors, IMFStreamDescriptor** apStreamDescriptors, IMFPresentationDescriptor** ppPresentationDescriptor)
#uselib "MFPlat.dll"
#cfunc global MFCreatePresentationDescriptor "MFCreatePresentationDescriptor" int, intptr, intptr
; res = MFCreatePresentationDescriptor(cStreamDescriptors, apStreamDescriptors, ppPresentationDescriptor)
; cStreamDescriptors : DWORD -> "int"
; apStreamDescriptors : IMFStreamDescriptor** optional -> "intptr"
; ppPresentationDescriptor : IMFPresentationDescriptor** out -> "intptr"

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

var (
	mfplat = windows.NewLazySystemDLL("MFPlat.dll")
	procMFCreatePresentationDescriptor = mfplat.NewProc("MFCreatePresentationDescriptor")
)

// cStreamDescriptors (DWORD), apStreamDescriptors (IMFStreamDescriptor** optional), ppPresentationDescriptor (IMFPresentationDescriptor** out)
r1, _, err := procMFCreatePresentationDescriptor.Call(
	uintptr(cStreamDescriptors),
	uintptr(apStreamDescriptors),
	uintptr(ppPresentationDescriptor),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HRESULT

function MFCreatePresentationDescriptor(
  cStreamDescriptors: DWORD;   // DWORD
  apStreamDescriptors: Pointer;   // IMFStreamDescriptor** optional
  ppPresentationDescriptor: Pointer   // IMFPresentationDescriptor** out
): Integer; stdcall;
  external 'MFPlat.dll' name 'MFCreatePresentationDescriptor';

result := DllCall("MFPlat\MFCreatePresentationDescriptor"
    , "UInt", cStreamDescriptors   ; DWORD
    , "Ptr", apStreamDescriptors   ; IMFStreamDescriptor** optional
    , "Ptr", ppPresentationDescriptor   ; IMFPresentationDescriptor** out
    , "Int")   ; return: HRESULT

●MFCreatePresentationDescriptor(cStreamDescriptors, apStreamDescriptors, ppPresentationDescriptor) = DLL("MFPlat.dll", "int MFCreatePresentationDescriptor(dword, void*, void*)")
# 呼び出し: MFCreatePresentationDescriptor(cStreamDescriptors, apStreamDescriptors, ppPresentationDescriptor)
# cStreamDescriptors : DWORD -> "dword"
# apStreamDescriptors : IMFStreamDescriptor** optional -> "void*"
# ppPresentationDescriptor : IMFPresentationDescriptor** 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 "mfplat" fn MFCreatePresentationDescriptor(
    cStreamDescriptors: u32, // DWORD
    apStreamDescriptors: ?*anyopaque, // IMFStreamDescriptor** optional
    ppPresentationDescriptor: ?*anyopaque // IMFPresentationDescriptor** out
) callconv(std.os.windows.WINAPI) i32;

proc MFCreatePresentationDescriptor(
    cStreamDescriptors: uint32,  # DWORD
    apStreamDescriptors: pointer,  # IMFStreamDescriptor** optional
    ppPresentationDescriptor: pointer  # IMFPresentationDescriptor** out
): int32 {.importc: "MFCreatePresentationDescriptor", stdcall, dynlib: "MFPlat.dll".}

pragma(lib, "mfplat");
extern(Windows)
int MFCreatePresentationDescriptor(
    uint cStreamDescriptors,   // DWORD
    void* apStreamDescriptors,   // IMFStreamDescriptor** optional
    void* ppPresentationDescriptor   // IMFPresentationDescriptor** out
);

ccall((:MFCreatePresentationDescriptor, "MFPlat.dll"), stdcall, Int32,
      (UInt32, Ptr{Cvoid}, Ptr{Cvoid}),
      cStreamDescriptors, apStreamDescriptors, ppPresentationDescriptor)
# cStreamDescriptors : DWORD -> UInt32
# apStreamDescriptors : IMFStreamDescriptor** optional -> Ptr{Cvoid}
# ppPresentationDescriptor : IMFPresentationDescriptor** 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 MFCreatePresentationDescriptor(
    uint32_t cStreamDescriptors,
    void* apStreamDescriptors,
    void* ppPresentationDescriptor);
]]
local mfplat = ffi.load("mfplat")
-- mfplat.MFCreatePresentationDescriptor(cStreamDescriptors, apStreamDescriptors, ppPresentationDescriptor)
-- cStreamDescriptors : DWORD
-- apStreamDescriptors : IMFStreamDescriptor** optional
-- ppPresentationDescriptor : IMFPresentationDescriptor** 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('MFPlat.dll');
const MFCreatePresentationDescriptor = lib.func('__stdcall', 'MFCreatePresentationDescriptor', 'int32_t', ['uint32_t', 'void *', 'void *']);
// MFCreatePresentationDescriptor(cStreamDescriptors, apStreamDescriptors, ppPresentationDescriptor)
// cStreamDescriptors : DWORD -> 'uint32_t'
// apStreamDescriptors : IMFStreamDescriptor** optional -> 'void *'
// ppPresentationDescriptor : IMFPresentationDescriptor** 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("MFPlat.dll", {
  MFCreatePresentationDescriptor: { parameters: ["u32", "pointer", "pointer"], result: "i32" },
});
// lib.symbols.MFCreatePresentationDescriptor(cStreamDescriptors, apStreamDescriptors, ppPresentationDescriptor)
// cStreamDescriptors : DWORD -> "u32"
// apStreamDescriptors : IMFStreamDescriptor** optional -> "pointer"
// ppPresentationDescriptor : IMFPresentationDescriptor** 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 MFCreatePresentationDescriptor(
    uint32_t cStreamDescriptors,
    void* apStreamDescriptors,
    void* ppPresentationDescriptor);
C, "MFPlat.dll");
// $ffi->MFCreatePresentationDescriptor(cStreamDescriptors, apStreamDescriptors, ppPresentationDescriptor);
// cStreamDescriptors : DWORD
// apStreamDescriptors : IMFStreamDescriptor** optional
// ppPresentationDescriptor : IMFPresentationDescriptor** 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 Mfplat extends StdCallLibrary {
    Mfplat INSTANCE = Native.load("mfplat", Mfplat.class);
    int MFCreatePresentationDescriptor(
        int cStreamDescriptors,   // DWORD
        Pointer apStreamDescriptors,   // IMFStreamDescriptor** optional
        Pointer ppPresentationDescriptor   // IMFPresentationDescriptor** out
    );
}

@[Link("mfplat")]
lib LibMFPlat
  fun MFCreatePresentationDescriptor = MFCreatePresentationDescriptor(
    cStreamDescriptors : UInt32,   # DWORD
    apStreamDescriptors : Void*,   # IMFStreamDescriptor** optional
    ppPresentationDescriptor : Void*   # IMFPresentationDescriptor** 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 MFCreatePresentationDescriptorNative = Int32 Function(Uint32, Pointer<Void>, Pointer<Void>);
typedef MFCreatePresentationDescriptorDart = int Function(int, Pointer<Void>, Pointer<Void>);
final MFCreatePresentationDescriptor = DynamicLibrary.open('MFPlat.dll')
    .lookupFunction<MFCreatePresentationDescriptorNative, MFCreatePresentationDescriptorDart>('MFCreatePresentationDescriptor');
// cStreamDescriptors : DWORD -> Uint32
// apStreamDescriptors : IMFStreamDescriptor** optional -> Pointer<Void>
// ppPresentationDescriptor : IMFPresentationDescriptor** out -> Pointer<Void>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
function MFCreatePresentationDescriptor(
  cStreamDescriptors: DWORD;   // DWORD
  apStreamDescriptors: Pointer;   // IMFStreamDescriptor** optional
  ppPresentationDescriptor: Pointer   // IMFPresentationDescriptor** out
): Integer; stdcall;
  external 'MFPlat.dll' name 'MFCreatePresentationDescriptor';

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

foreign import stdcall safe "MFCreatePresentationDescriptor"
  c_MFCreatePresentationDescriptor :: Word32 -> Ptr () -> Ptr () -> IO Int32
-- cStreamDescriptors : DWORD -> Word32
-- apStreamDescriptors : IMFStreamDescriptor** optional -> Ptr ()
-- ppPresentationDescriptor : IMFPresentationDescriptor** 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 mfcreatepresentationdescriptor =
  foreign "MFCreatePresentationDescriptor"
    (uint32_t @-> (ptr void) @-> (ptr void) @-> returning int32_t)
(* cStreamDescriptors : DWORD -> uint32_t *)
(* apStreamDescriptors : IMFStreamDescriptor** optional -> (ptr void) *)
(* ppPresentationDescriptor : IMFPresentationDescriptor** 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 mfplat (t "MFPlat.dll"))
(cffi:use-foreign-library mfplat)

(cffi:defcfun ("MFCreatePresentationDescriptor" mfcreate-presentation-descriptor :convention :stdcall) :int32
  (c-stream-descriptors :uint32)   ; DWORD
  (ap-stream-descriptors :pointer)   ; IMFStreamDescriptor** optional
  (pp-presentation-descriptor :pointer))   ; IMFPresentationDescriptor** out
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。

use Win32::API;
my $MFCreatePresentationDescriptor = Win32::API::More->new('MFPlat',
    'int MFCreatePresentationDescriptor(DWORD cStreamDescriptors, LPVOID apStreamDescriptors, LPVOID ppPresentationDescriptor)');
# my $ret = $MFCreatePresentationDescriptor->Call($cStreamDescriptors, $apStreamDescriptors, $ppPresentationDescriptor);
# cStreamDescriptors : DWORD -> DWORD
# apStreamDescriptors : IMFStreamDescriptor** optional -> LPVOID
# ppPresentationDescriptor : IMFPresentationDescriptor** out -> LPVOID
# 値渡し構造体は pack() した文字列、または Win32::API::Struct を使用。