MFConvertColorInfoFromDXVA

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

HRESULT MFConvertColorInfoFromDXVA(
    MFVIDEOFORMAT* pToFormat,
    DWORD dwFromDXVA
);

<DllImport("MFPlat.dll", ExactSpelling:=True)>
Public Shared Function MFConvertColorInfoFromDXVA(
    pToFormat As IntPtr,   ' MFVIDEOFORMAT* in/out
    dwFromDXVA As UInteger   ' DWORD
) As Integer
End Function

' pToFormat : MFVIDEOFORMAT* in/out
' dwFromDXVA : DWORD
Declare PtrSafe Function MFConvertColorInfoFromDXVA Lib "mfplat" ( _
    ByVal pToFormat As LongPtr, _
    ByVal dwFromDXVA As Long) As Long
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

MFConvertColorInfoFromDXVA = ctypes.windll.mfplat.MFConvertColorInfoFromDXVA
MFConvertColorInfoFromDXVA.restype = ctypes.c_int
MFConvertColorInfoFromDXVA.argtypes = [
    ctypes.c_void_p,  # pToFormat : MFVIDEOFORMAT* in/out
    wintypes.DWORD,  # dwFromDXVA : DWORD
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('MFPlat.dll')
MFConvertColorInfoFromDXVA = Fiddle::Function.new(
  lib['MFConvertColorInfoFromDXVA'],
  [
    Fiddle::TYPE_VOIDP,  # pToFormat : MFVIDEOFORMAT* in/out
    -Fiddle::TYPE_INT,  # dwFromDXVA : DWORD
  ],
  Fiddle::TYPE_INT)

#[link(name = "mfplat")]
extern "system" {
    fn MFConvertColorInfoFromDXVA(
        pToFormat: *mut MFVIDEOFORMAT,  // MFVIDEOFORMAT* in/out
        dwFromDXVA: u32  // DWORD
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("MFPlat.dll")]
public static extern int MFConvertColorInfoFromDXVA(IntPtr pToFormat, uint dwFromDXVA);
"@
$api = Add-Type -MemberDefinition $sig -Name 'MFPlat_MFConvertColorInfoFromDXVA' -Namespace Win32 -PassThru
# $api::MFConvertColorInfoFromDXVA(pToFormat, dwFromDXVA)

#uselib "MFPlat.dll"
#func global MFConvertColorInfoFromDXVA "MFConvertColorInfoFromDXVA" sptr, sptr
; MFConvertColorInfoFromDXVA varptr(pToFormat), dwFromDXVA   ; 戻り値は stat
; pToFormat : MFVIDEOFORMAT* in/out -> "sptr"
; dwFromDXVA : DWORD -> "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 (
	mfplat = windows.NewLazySystemDLL("MFPlat.dll")
	procMFConvertColorInfoFromDXVA = mfplat.NewProc("MFConvertColorInfoFromDXVA")
)

// pToFormat (MFVIDEOFORMAT* in/out), dwFromDXVA (DWORD)
r1, _, err := procMFConvertColorInfoFromDXVA.Call(
	uintptr(pToFormat),
	uintptr(dwFromDXVA),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HRESULT

function MFConvertColorInfoFromDXVA(
  pToFormat: Pointer;   // MFVIDEOFORMAT* in/out
  dwFromDXVA: DWORD   // DWORD
): Integer; stdcall;
  external 'MFPlat.dll' name 'MFConvertColorInfoFromDXVA';

result := DllCall("MFPlat\MFConvertColorInfoFromDXVA"
    , "Ptr", pToFormat   ; MFVIDEOFORMAT* in/out
    , "UInt", dwFromDXVA   ; DWORD
    , "Int")   ; return: HRESULT

●MFConvertColorInfoFromDXVA(pToFormat, dwFromDXVA) = DLL("MFPlat.dll", "int MFConvertColorInfoFromDXVA(void*, dword)")
# 呼び出し: MFConvertColorInfoFromDXVA(pToFormat, dwFromDXVA)
# pToFormat : MFVIDEOFORMAT* in/out -> "void*"
# dwFromDXVA : DWORD -> "dword"
# 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 MFConvertColorInfoFromDXVA(
    pToFormat: [*c]MFVIDEOFORMAT, // MFVIDEOFORMAT* in/out
    dwFromDXVA: u32 // DWORD
) callconv(std.os.windows.WINAPI) i32;

proc MFConvertColorInfoFromDXVA(
    pToFormat: ptr MFVIDEOFORMAT,  # MFVIDEOFORMAT* in/out
    dwFromDXVA: uint32  # DWORD
): int32 {.importc: "MFConvertColorInfoFromDXVA", stdcall, dynlib: "MFPlat.dll".}

pragma(lib, "mfplat");
extern(Windows)
int MFConvertColorInfoFromDXVA(
    MFVIDEOFORMAT* pToFormat,   // MFVIDEOFORMAT* in/out
    uint dwFromDXVA   // DWORD
);

ccall((:MFConvertColorInfoFromDXVA, "MFPlat.dll"), stdcall, Int32,
      (Ptr{MFVIDEOFORMAT}, UInt32),
      pToFormat, dwFromDXVA)
# pToFormat : MFVIDEOFORMAT* in/out -> Ptr{MFVIDEOFORMAT}
# dwFromDXVA : DWORD -> UInt32
# stdcall は 32bit のみ意味を持つ(x64 では無視)。

local ffi = require("ffi")
ffi.cdef[[
int32_t MFConvertColorInfoFromDXVA(
    void* pToFormat,
    uint32_t dwFromDXVA);
]]
local mfplat = ffi.load("mfplat")
-- mfplat.MFConvertColorInfoFromDXVA(pToFormat, dwFromDXVA)
-- pToFormat : MFVIDEOFORMAT* in/out
-- dwFromDXVA : DWORD
-- 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 MFConvertColorInfoFromDXVA = lib.func('__stdcall', 'MFConvertColorInfoFromDXVA', 'int32_t', ['void *', 'uint32_t']);
// MFConvertColorInfoFromDXVA(pToFormat, dwFromDXVA)
// pToFormat : MFVIDEOFORMAT* in/out -> 'void *'
// dwFromDXVA : DWORD -> 'uint32_t'
// 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", {
  MFConvertColorInfoFromDXVA: { parameters: ["pointer", "u32"], result: "i32" },
});
// lib.symbols.MFConvertColorInfoFromDXVA(pToFormat, dwFromDXVA)
// pToFormat : MFVIDEOFORMAT* in/out -> "pointer"
// dwFromDXVA : DWORD -> "u32"
// 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 MFConvertColorInfoFromDXVA(
    void* pToFormat,
    uint32_t dwFromDXVA);
C, "MFPlat.dll");
// $ffi->MFConvertColorInfoFromDXVA(pToFormat, dwFromDXVA);
// pToFormat : MFVIDEOFORMAT* in/out
// dwFromDXVA : DWORD
// 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 MFConvertColorInfoFromDXVA(
        Pointer pToFormat,   // MFVIDEOFORMAT* in/out
        int dwFromDXVA   // DWORD
    );
}

@[Link("mfplat")]
lib LibMFPlat
  fun MFConvertColorInfoFromDXVA = MFConvertColorInfoFromDXVA(
    pToFormat : MFVIDEOFORMAT*,   # MFVIDEOFORMAT* in/out
    dwFromDXVA : UInt32   # DWORD
  ) : 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 MFConvertColorInfoFromDXVANative = Int32 Function(Pointer<Void>, Uint32);
typedef MFConvertColorInfoFromDXVADart = int Function(Pointer<Void>, int);
final MFConvertColorInfoFromDXVA = DynamicLibrary.open('MFPlat.dll')
    .lookupFunction<MFConvertColorInfoFromDXVANative, MFConvertColorInfoFromDXVADart>('MFConvertColorInfoFromDXVA');
// pToFormat : MFVIDEOFORMAT* in/out -> Pointer<Void>
// dwFromDXVA : DWORD -> Uint32
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
function MFConvertColorInfoFromDXVA(
  pToFormat: Pointer;   // MFVIDEOFORMAT* in/out
  dwFromDXVA: DWORD   // DWORD
): Integer; stdcall;
  external 'MFPlat.dll' name 'MFConvertColorInfoFromDXVA';

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

foreign import stdcall safe "MFConvertColorInfoFromDXVA"
  c_MFConvertColorInfoFromDXVA :: Ptr () -> Word32 -> IO Int32
-- pToFormat : MFVIDEOFORMAT* in/out -> Ptr ()
-- dwFromDXVA : DWORD -> Word32
-- 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 mfconvertcolorinfofromdxva =
  foreign "MFConvertColorInfoFromDXVA"
    ((ptr void) @-> uint32_t @-> returning int32_t)
(* pToFormat : MFVIDEOFORMAT* in/out -> (ptr void) *)
(* dwFromDXVA : DWORD -> uint32_t *)
(* 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 ("MFConvertColorInfoFromDXVA" mfconvert-color-info-from-dxva :convention :stdcall) :int32
  (p-to-format :pointer)   ; MFVIDEOFORMAT* in/out
  (dw-from-dxva :uint32))   ; DWORD
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。

use Win32::API;
my $MFConvertColorInfoFromDXVA = Win32::API::More->new('MFPlat',
    'int MFConvertColorInfoFromDXVA(LPVOID pToFormat, DWORD dwFromDXVA)');
# my $ret = $MFConvertColorInfoFromDXVA->Call($pToFormat, $dwFromDXVA);
# pToFormat : MFVIDEOFORMAT* in/out -> LPVOID
# dwFromDXVA : DWORD -> DWORD
# 値渡し構造体は pack() した文字列、または Win32::API::Struct を使用。