DXVAHD_CreateDevice

// dxva2.dll
#include <windows.h>

HRESULT DXVAHD_CreateDevice(
    IDirect3DDevice9Ex* pD3DDevice,
    const DXVAHD_CONTENT_DESC* pContentDesc,
    DXVAHD_DEVICE_USAGE Usage,
    PDXVAHDSW_Plugin pPlugin,   // optional
    IDXVAHD_Device** ppDevice
);

<DllImport("dxva2.dll", ExactSpelling:=True)>
Public Shared Function DXVAHD_CreateDevice(
    pD3DDevice As IntPtr,   ' IDirect3DDevice9Ex*
    pContentDesc As IntPtr,   ' DXVAHD_CONTENT_DESC*
    Usage As Integer,   ' DXVAHD_DEVICE_USAGE
    pPlugin As IntPtr,   ' PDXVAHDSW_Plugin optional
    ppDevice As IntPtr   ' IDXVAHD_Device** out
) As Integer
End Function

' pD3DDevice : IDirect3DDevice9Ex*
' pContentDesc : DXVAHD_CONTENT_DESC*
' Usage : DXVAHD_DEVICE_USAGE
' pPlugin : PDXVAHDSW_Plugin optional
' ppDevice : IDXVAHD_Device** out
Declare PtrSafe Function DXVAHD_CreateDevice Lib "dxva2" ( _
    ByVal pD3DDevice As LongPtr, _
    ByVal pContentDesc As LongPtr, _
    ByVal Usage As Long, _
    ByVal pPlugin As LongPtr, _
    ByVal ppDevice 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

DXVAHD_CreateDevice = ctypes.windll.dxva2.DXVAHD_CreateDevice
DXVAHD_CreateDevice.restype = ctypes.c_int
DXVAHD_CreateDevice.argtypes = [
    ctypes.c_void_p,  # pD3DDevice : IDirect3DDevice9Ex*
    ctypes.c_void_p,  # pContentDesc : DXVAHD_CONTENT_DESC*
    ctypes.c_int,  # Usage : DXVAHD_DEVICE_USAGE
    ctypes.c_void_p,  # pPlugin : PDXVAHDSW_Plugin optional
    ctypes.c_void_p,  # ppDevice : IDXVAHD_Device** out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('dxva2.dll')
DXVAHD_CreateDevice = Fiddle::Function.new(
  lib['DXVAHD_CreateDevice'],
  [
    Fiddle::TYPE_VOIDP,  # pD3DDevice : IDirect3DDevice9Ex*
    Fiddle::TYPE_VOIDP,  # pContentDesc : DXVAHD_CONTENT_DESC*
    Fiddle::TYPE_INT,  # Usage : DXVAHD_DEVICE_USAGE
    Fiddle::TYPE_VOIDP,  # pPlugin : PDXVAHDSW_Plugin optional
    Fiddle::TYPE_VOIDP,  # ppDevice : IDXVAHD_Device** out
  ],
  Fiddle::TYPE_INT)

#[link(name = "dxva2")]
extern "system" {
    fn DXVAHD_CreateDevice(
        pD3DDevice: *mut core::ffi::c_void,  // IDirect3DDevice9Ex*
        pContentDesc: *const DXVAHD_CONTENT_DESC,  // DXVAHD_CONTENT_DESC*
        Usage: i32,  // DXVAHD_DEVICE_USAGE
        pPlugin: *const core::ffi::c_void,  // PDXVAHDSW_Plugin optional
        ppDevice: *mut *mut core::ffi::c_void  // IDXVAHD_Device** out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("dxva2.dll")]
public static extern int DXVAHD_CreateDevice(IntPtr pD3DDevice, IntPtr pContentDesc, int Usage, IntPtr pPlugin, IntPtr ppDevice);
"@
$api = Add-Type -MemberDefinition $sig -Name 'dxva2_DXVAHD_CreateDevice' -Namespace Win32 -PassThru
# $api::DXVAHD_CreateDevice(pD3DDevice, pContentDesc, Usage, pPlugin, ppDevice)

#uselib "dxva2.dll"
#func global DXVAHD_CreateDevice "DXVAHD_CreateDevice" sptr, sptr, sptr, sptr, sptr
; DXVAHD_CreateDevice pD3DDevice, varptr(pContentDesc), Usage, pPlugin, ppDevice   ; 戻り値は stat
; pD3DDevice : IDirect3DDevice9Ex* -> "sptr"
; pContentDesc : DXVAHD_CONTENT_DESC* -> "sptr"
; Usage : DXVAHD_DEVICE_USAGE -> "sptr"
; pPlugin : PDXVAHDSW_Plugin optional -> "sptr"
; ppDevice : IDXVAHD_Device** 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 (
	dxva2 = windows.NewLazySystemDLL("dxva2.dll")
	procDXVAHD_CreateDevice = dxva2.NewProc("DXVAHD_CreateDevice")
)

// pD3DDevice (IDirect3DDevice9Ex*), pContentDesc (DXVAHD_CONTENT_DESC*), Usage (DXVAHD_DEVICE_USAGE), pPlugin (PDXVAHDSW_Plugin optional), ppDevice (IDXVAHD_Device** out)
r1, _, err := procDXVAHD_CreateDevice.Call(
	uintptr(pD3DDevice),
	uintptr(pContentDesc),
	uintptr(Usage),
	uintptr(pPlugin),
	uintptr(ppDevice),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HRESULT

function DXVAHD_CreateDevice(
  pD3DDevice: Pointer;   // IDirect3DDevice9Ex*
  pContentDesc: Pointer;   // DXVAHD_CONTENT_DESC*
  Usage: Integer;   // DXVAHD_DEVICE_USAGE
  pPlugin: Pointer;   // PDXVAHDSW_Plugin optional
  ppDevice: Pointer   // IDXVAHD_Device** out
): Integer; stdcall;
  external 'dxva2.dll' name 'DXVAHD_CreateDevice';

result := DllCall("dxva2\DXVAHD_CreateDevice"
    , "Ptr", pD3DDevice   ; IDirect3DDevice9Ex*
    , "Ptr", pContentDesc   ; DXVAHD_CONTENT_DESC*
    , "Int", Usage   ; DXVAHD_DEVICE_USAGE
    , "Ptr", pPlugin   ; PDXVAHDSW_Plugin optional
    , "Ptr", ppDevice   ; IDXVAHD_Device** out
    , "Int")   ; return: HRESULT

●DXVAHD_CreateDevice(pD3DDevice, pContentDesc, Usage, pPlugin, ppDevice) = DLL("dxva2.dll", "int DXVAHD_CreateDevice(void*, void*, int, void*, void*)")
# 呼び出し: DXVAHD_CreateDevice(pD3DDevice, pContentDesc, Usage, pPlugin, ppDevice)
# pD3DDevice : IDirect3DDevice9Ex* -> "void*"
# pContentDesc : DXVAHD_CONTENT_DESC* -> "void*"
# Usage : DXVAHD_DEVICE_USAGE -> "int"
# pPlugin : PDXVAHDSW_Plugin optional -> "void*"
# ppDevice : IDXVAHD_Device** 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 "dxva2" fn DXVAHD_CreateDevice(
    pD3DDevice: ?*anyopaque, // IDirect3DDevice9Ex*
    pContentDesc: [*c]DXVAHD_CONTENT_DESC, // DXVAHD_CONTENT_DESC*
    Usage: i32, // DXVAHD_DEVICE_USAGE
    pPlugin: ?*anyopaque, // PDXVAHDSW_Plugin optional
    ppDevice: ?*anyopaque // IDXVAHD_Device** out
) callconv(std.os.windows.WINAPI) i32;

proc DXVAHD_CreateDevice(
    pD3DDevice: pointer,  # IDirect3DDevice9Ex*
    pContentDesc: ptr DXVAHD_CONTENT_DESC,  # DXVAHD_CONTENT_DESC*
    Usage: int32,  # DXVAHD_DEVICE_USAGE
    pPlugin: pointer,  # PDXVAHDSW_Plugin optional
    ppDevice: pointer  # IDXVAHD_Device** out
): int32 {.importc: "DXVAHD_CreateDevice", stdcall, dynlib: "dxva2.dll".}

pragma(lib, "dxva2");
extern(Windows)
int DXVAHD_CreateDevice(
    void* pD3DDevice,   // IDirect3DDevice9Ex*
    DXVAHD_CONTENT_DESC* pContentDesc,   // DXVAHD_CONTENT_DESC*
    int Usage,   // DXVAHD_DEVICE_USAGE
    void* pPlugin,   // PDXVAHDSW_Plugin optional
    void* ppDevice   // IDXVAHD_Device** out
);

ccall((:DXVAHD_CreateDevice, "dxva2.dll"), stdcall, Int32,
      (Ptr{Cvoid}, Ptr{DXVAHD_CONTENT_DESC}, Int32, Ptr{Cvoid}, Ptr{Cvoid}),
      pD3DDevice, pContentDesc, Usage, pPlugin, ppDevice)
# pD3DDevice : IDirect3DDevice9Ex* -> Ptr{Cvoid}
# pContentDesc : DXVAHD_CONTENT_DESC* -> Ptr{DXVAHD_CONTENT_DESC}
# Usage : DXVAHD_DEVICE_USAGE -> Int32
# pPlugin : PDXVAHDSW_Plugin optional -> Ptr{Cvoid}
# ppDevice : IDXVAHD_Device** 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 DXVAHD_CreateDevice(
    void* pD3DDevice,
    void* pContentDesc,
    int32_t Usage,
    void* pPlugin,
    void* ppDevice);
]]
local dxva2 = ffi.load("dxva2")
-- dxva2.DXVAHD_CreateDevice(pD3DDevice, pContentDesc, Usage, pPlugin, ppDevice)
-- pD3DDevice : IDirect3DDevice9Ex*
-- pContentDesc : DXVAHD_CONTENT_DESC*
-- Usage : DXVAHD_DEVICE_USAGE
-- pPlugin : PDXVAHDSW_Plugin optional
-- ppDevice : IDXVAHD_Device** 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('dxva2.dll');
const DXVAHD_CreateDevice = lib.func('__stdcall', 'DXVAHD_CreateDevice', 'int32_t', ['void *', 'void *', 'int32_t', 'void *', 'void *']);
// DXVAHD_CreateDevice(pD3DDevice, pContentDesc, Usage, pPlugin, ppDevice)
// pD3DDevice : IDirect3DDevice9Ex* -> 'void *'
// pContentDesc : DXVAHD_CONTENT_DESC* -> 'void *'
// Usage : DXVAHD_DEVICE_USAGE -> 'int32_t'
// pPlugin : PDXVAHDSW_Plugin optional -> 'void *'
// ppDevice : IDXVAHD_Device** out -> 'void *'
// 出力ポインタは koffi.out(...) で包む。構造体は koffi.struct で定義。
// コールバック(関数ポインタ)は koffi.proto/koffi.register で型を定義して渡す(素の void* では JS 関数を渡せない)。

const lib = Deno.dlopen("dxva2.dll", {
  DXVAHD_CreateDevice: { parameters: ["pointer", "pointer", "i32", "pointer", "pointer"], result: "i32" },
});
// lib.symbols.DXVAHD_CreateDevice(pD3DDevice, pContentDesc, Usage, pPlugin, ppDevice)
// pD3DDevice : IDirect3DDevice9Ex* -> "pointer"
// pContentDesc : DXVAHD_CONTENT_DESC* -> "pointer"
// Usage : DXVAHD_DEVICE_USAGE -> "i32"
// pPlugin : PDXVAHDSW_Plugin optional -> "pointer"
// ppDevice : IDXVAHD_Device** 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 DXVAHD_CreateDevice(
    void* pD3DDevice,
    void* pContentDesc,
    int32_t Usage,
    void* pPlugin,
    void* ppDevice);
C, "dxva2.dll");
// $ffi->DXVAHD_CreateDevice(pD3DDevice, pContentDesc, Usage, pPlugin, ppDevice);
// pD3DDevice : IDirect3DDevice9Ex*
// pContentDesc : DXVAHD_CONTENT_DESC*
// Usage : DXVAHD_DEVICE_USAGE
// pPlugin : PDXVAHDSW_Plugin optional
// ppDevice : IDXVAHD_Device** 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 Dxva2 extends StdCallLibrary {
    Dxva2 INSTANCE = Native.load("dxva2", Dxva2.class);
    int DXVAHD_CreateDevice(
        Pointer pD3DDevice,   // IDirect3DDevice9Ex*
        Pointer pContentDesc,   // DXVAHD_CONTENT_DESC*
        int Usage,   // DXVAHD_DEVICE_USAGE
        Callback pPlugin,   // PDXVAHDSW_Plugin optional
        Pointer ppDevice   // IDXVAHD_Device** out
    );
}

@[Link("dxva2")]
lib Libdxva2
  fun DXVAHD_CreateDevice = DXVAHD_CreateDevice(
    pD3DDevice : Void*,   # IDirect3DDevice9Ex*
    pContentDesc : DXVAHD_CONTENT_DESC*,   # DXVAHD_CONTENT_DESC*
    Usage : Int32,   # DXVAHD_DEVICE_USAGE
    pPlugin : Void*,   # PDXVAHDSW_Plugin optional
    ppDevice : Void*   # IDXVAHD_Device** 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 DXVAHD_CreateDeviceNative = Int32 Function(Pointer<Void>, Pointer<Void>, Int32, Pointer<Void>, Pointer<Void>);
typedef DXVAHD_CreateDeviceDart = int Function(Pointer<Void>, Pointer<Void>, int, Pointer<Void>, Pointer<Void>);
final DXVAHD_CreateDevice = DynamicLibrary.open('dxva2.dll')
    .lookupFunction<DXVAHD_CreateDeviceNative, DXVAHD_CreateDeviceDart>('DXVAHD_CreateDevice');
// pD3DDevice : IDirect3DDevice9Ex* -> Pointer<Void>
// pContentDesc : DXVAHD_CONTENT_DESC* -> Pointer<Void>
// Usage : DXVAHD_DEVICE_USAGE -> Int32
// pPlugin : PDXVAHDSW_Plugin optional -> Pointer<Void>
// ppDevice : IDXVAHD_Device** out -> Pointer<Void>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
function DXVAHD_CreateDevice(
  pD3DDevice: Pointer;   // IDirect3DDevice9Ex*
  pContentDesc: Pointer;   // DXVAHD_CONTENT_DESC*
  Usage: Integer;   // DXVAHD_DEVICE_USAGE
  pPlugin: Pointer;   // PDXVAHDSW_Plugin optional
  ppDevice: Pointer   // IDXVAHD_Device** out
): Integer; stdcall;
  external 'dxva2.dll' name 'DXVAHD_CreateDevice';

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

foreign import stdcall safe "DXVAHD_CreateDevice"
  c_DXVAHD_CreateDevice :: Ptr () -> Ptr () -> Int32 -> Ptr () -> Ptr () -> IO Int32
-- pD3DDevice : IDirect3DDevice9Ex* -> Ptr ()
-- pContentDesc : DXVAHD_CONTENT_DESC* -> Ptr ()
-- Usage : DXVAHD_DEVICE_USAGE -> Int32
-- pPlugin : PDXVAHDSW_Plugin optional -> Ptr ()
-- ppDevice : IDXVAHD_Device** 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 dxvahd_createdevice =
  foreign "DXVAHD_CreateDevice"
    ((ptr void) @-> (ptr void) @-> int32_t @-> (ptr void) @-> (ptr void) @-> returning int32_t)
(* pD3DDevice : IDirect3DDevice9Ex* -> (ptr void) *)
(* pContentDesc : DXVAHD_CONTENT_DESC* -> (ptr void) *)
(* Usage : DXVAHD_DEVICE_USAGE -> int32_t *)
(* pPlugin : PDXVAHDSW_Plugin optional -> (ptr void) *)
(* ppDevice : IDXVAHD_Device** 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 dxva2 (t "dxva2.dll"))
(cffi:use-foreign-library dxva2)

(cffi:defcfun ("DXVAHD_CreateDevice" dxvahd-create-device :convention :stdcall) :int32
  (p-d3-ddevice :pointer)   ; IDirect3DDevice9Ex*
  (p-content-desc :pointer)   ; DXVAHD_CONTENT_DESC*
  (usage :int32)   ; DXVAHD_DEVICE_USAGE
  (p-plugin :pointer)   ; PDXVAHDSW_Plugin optional
  (pp-device :pointer))   ; IDXVAHD_Device** out
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。

use Win32::API;
my $DXVAHD_CreateDevice = Win32::API::More->new('dxva2',
    'int DXVAHD_CreateDevice(LPVOID pD3DDevice, LPVOID pContentDesc, int Usage, LPVOID pPlugin, LPVOID ppDevice)');
# my $ret = $DXVAHD_CreateDevice->Call($pD3DDevice, $pContentDesc, $Usage, $pPlugin, $ppDevice);
# pD3DDevice : IDirect3DDevice9Ex* -> LPVOID
# pContentDesc : DXVAHD_CONTENT_DESC* -> LPVOID
# Usage : DXVAHD_DEVICE_USAGE -> int
# pPlugin : PDXVAHDSW_Plugin optional -> LPVOID
# ppDevice : IDXVAHD_Device** out -> LPVOID
# 値渡し構造体は pack() した文字列、または Win32::API::Struct を使用。
# コールバック(関数ポインタ)は Perl sub を直接渡せません。Win32::API::Callback を使用してください。