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。

#uselib "MFPlat.dll"
#cfunc global MFConvertColorInfoFromDXVA "MFConvertColorInfoFromDXVA" var, int
; res = MFConvertColorInfoFromDXVA(pToFormat, dwFromDXVA)
; pToFormat : MFVIDEOFORMAT* in/out -> "var"
; dwFromDXVA : DWORD -> "int"
; ※出力/バッファ引数は var 方式(変数を直接渡す)。varptr 方式にも切替可。

; HRESULT MFConvertColorInfoFromDXVA(MFVIDEOFORMAT* pToFormat, DWORD dwFromDXVA)
#uselib "MFPlat.dll"
#cfunc global MFConvertColorInfoFromDXVA "MFConvertColorInfoFromDXVA" var, int
; res = MFConvertColorInfoFromDXVA(pToFormat, dwFromDXVA)
; pToFormat : MFVIDEOFORMAT* in/out -> "var"
; dwFromDXVA : DWORD -> "int"
; ※出力/バッファ引数は var 方式(変数を直接渡す)。varptr 方式にも切替可。

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)。