AVIStreamOpenFromFileW

// AVIFIL32.dll  (Unicode / -W)
#include <windows.h>

HRESULT AVIStreamOpenFromFileW(
    IAVIStream** ppavi,
    LPCWSTR szFile,
    DWORD fccType,
    INT lParam,
    DWORD mode,
    GUID* pclsidHandler   // optional
);

<DllImport("AVIFIL32.dll", CharSet:=CharSet.Unicode, ExactSpelling:=True)>
Public Shared Function AVIStreamOpenFromFileW(
    ppavi As IntPtr,   ' IAVIStream** out
    <MarshalAs(UnmanagedType.LPWStr)> szFile As String,   ' LPCWSTR
    fccType As UInteger,   ' DWORD
    lParam As Integer,   ' INT
    mode As UInteger,   ' DWORD
    pclsidHandler As IntPtr   ' GUID* optional
) As Integer
End Function

' ppavi : IAVIStream** out
' szFile : LPCWSTR
' fccType : DWORD
' lParam : INT
' mode : DWORD
' pclsidHandler : GUID* optional
Declare PtrSafe Function AVIStreamOpenFromFileW Lib "avifil32" ( _
    ByVal ppavi As LongPtr, _
    ByVal szFile As LongPtr, _
    ByVal fccType As Long, _
    ByVal lParam As Long, _
    ByVal mode As Long, _
    ByVal pclsidHandler As LongPtr) As Long
' Unicode(W): 文字列は ByVal As LongPtr とし StrPtr(unicodeStr) を渡す
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

AVIStreamOpenFromFileW = ctypes.windll.avifil32.AVIStreamOpenFromFileW
AVIStreamOpenFromFileW.restype = ctypes.c_int
AVIStreamOpenFromFileW.argtypes = [
    ctypes.c_void_p,  # ppavi : IAVIStream** out
    wintypes.LPCWSTR,  # szFile : LPCWSTR
    wintypes.DWORD,  # fccType : DWORD
    ctypes.c_int,  # lParam : INT
    wintypes.DWORD,  # mode : DWORD
    ctypes.c_void_p,  # pclsidHandler : GUID* optional
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('AVIFIL32.dll')
AVIStreamOpenFromFileW = Fiddle::Function.new(
  lib['AVIStreamOpenFromFileW'],
  [
    Fiddle::TYPE_VOIDP,  # ppavi : IAVIStream** out
    Fiddle::TYPE_VOIDP,  # szFile : LPCWSTR
    -Fiddle::TYPE_INT,  # fccType : DWORD
    Fiddle::TYPE_INT,  # lParam : INT
    -Fiddle::TYPE_INT,  # mode : DWORD
    Fiddle::TYPE_VOIDP,  # pclsidHandler : GUID* optional
  ],
  Fiddle::TYPE_INT)
# Wide strings: pass str.encode("UTF-16LE") + "\x00\x00"

#[link(name = "avifil32")]
extern "system" {
    fn AVIStreamOpenFromFileW(
        ppavi: *mut *mut core::ffi::c_void,  // IAVIStream** out
        szFile: *const u16,  // LPCWSTR
        fccType: u32,  // DWORD
        lParam: i32,  // INT
        mode: u32,  // DWORD
        pclsidHandler: *mut GUID  // GUID* optional
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("AVIFIL32.dll", CharSet = CharSet.Unicode)]
public static extern int AVIStreamOpenFromFileW(IntPtr ppavi, [MarshalAs(UnmanagedType.LPWStr)] string szFile, uint fccType, int lParam, uint mode, IntPtr pclsidHandler);
"@
$api = Add-Type -MemberDefinition $sig -Name 'AVIFIL32_AVIStreamOpenFromFileW' -Namespace Win32 -PassThru
# $api::AVIStreamOpenFromFileW(ppavi, szFile, fccType, lParam, mode, pclsidHandler)

#uselib "AVIFIL32.dll"
#func global AVIStreamOpenFromFileW "AVIStreamOpenFromFileW" wptr, wptr, wptr, wptr, wptr, wptr
; AVIStreamOpenFromFileW ppavi, szFile, fccType, lParam, mode, varptr(pclsidHandler)   ; 戻り値は stat
; ppavi : IAVIStream** out -> "wptr"
; szFile : LPCWSTR -> "wptr"
; fccType : DWORD -> "wptr"
; lParam : INT -> "wptr"
; mode : DWORD -> "wptr"
; pclsidHandler : GUID* optional -> "wptr"
; ※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 (
	avifil32 = windows.NewLazySystemDLL("AVIFIL32.dll")
	procAVIStreamOpenFromFileW = avifil32.NewProc("AVIStreamOpenFromFileW")
)

// ppavi (IAVIStream** out), szFile (LPCWSTR), fccType (DWORD), lParam (INT), mode (DWORD), pclsidHandler (GUID* optional)
r1, _, err := procAVIStreamOpenFromFileW.Call(
	uintptr(ppavi),
	uintptr(unsafe.Pointer(windows.StringToUTF16Ptr(szFile))),
	uintptr(fccType),
	uintptr(lParam),
	uintptr(mode),
	uintptr(pclsidHandler),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HRESULT

function AVIStreamOpenFromFileW(
  ppavi: Pointer;   // IAVIStream** out
  szFile: PWideChar;   // LPCWSTR
  fccType: DWORD;   // DWORD
  lParam: Integer;   // INT
  mode: DWORD;   // DWORD
  pclsidHandler: PGUID   // GUID* optional
): Integer; stdcall;
  external 'AVIFIL32.dll' name 'AVIStreamOpenFromFileW';

result := DllCall("AVIFIL32\AVIStreamOpenFromFileW"
    , "Ptr", ppavi   ; IAVIStream** out
    , "WStr", szFile   ; LPCWSTR
    , "UInt", fccType   ; DWORD
    , "Int", lParam   ; INT
    , "UInt", mode   ; DWORD
    , "Ptr", pclsidHandler   ; GUID* optional
    , "Int")   ; return: HRESULT

●AVIStreamOpenFromFileW(ppavi, szFile, fccType, lParam, mode, pclsidHandler) = DLL("AVIFIL32.dll", "int AVIStreamOpenFromFileW(void*, char*, dword, int, dword, void*)")
# 呼び出し: AVIStreamOpenFromFileW(ppavi, szFile, fccType, lParam, mode, pclsidHandler)
# ppavi : IAVIStream** out -> "void*"
# szFile : LPCWSTR -> "char*"
# fccType : DWORD -> "dword"
# lParam : INT -> "int"
# mode : DWORD -> "dword"
# pclsidHandler : GUID* optional -> "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)。
# ※-W(Unicode)関数。なでしこ1はANSIのため -A 版の利用を推奨。

const std = @import("std");

extern "avifil32" fn AVIStreamOpenFromFileW(
    ppavi: ?*anyopaque, // IAVIStream** out
    szFile: [*c]const u16, // LPCWSTR
    fccType: u32, // DWORD
    lParam: i32, // INT
    mode: u32, // DWORD
    pclsidHandler: [*c]GUID // GUID* optional
) callconv(std.os.windows.WINAPI) i32;
// Unicode(-W): UTF-16LE のヌル終端バッファ([*c]const u16)を渡す。

proc AVIStreamOpenFromFileW(
    ppavi: pointer,  # IAVIStream** out
    szFile: WideCString,  # LPCWSTR
    fccType: uint32,  # DWORD
    lParam: int32,  # INT
    mode: uint32,  # DWORD
    pclsidHandler: ptr GUID  # GUID* optional
): int32 {.importc: "AVIStreamOpenFromFileW", stdcall, dynlib: "AVIFIL32.dll".}
# Unicode(-W): WideCString は newWideCString("...") で生成。

pragma(lib, "avifil32");
extern(Windows)
int AVIStreamOpenFromFileW(
    void* ppavi,   // IAVIStream** out
    const(wchar)* szFile,   // LPCWSTR
    uint fccType,   // DWORD
    int lParam,   // INT
    uint mode,   // DWORD
    GUID* pclsidHandler   // GUID* optional
);

ccall((:AVIStreamOpenFromFileW, "AVIFIL32.dll"), stdcall, Int32,
      (Ptr{Cvoid}, Cwstring, UInt32, Int32, UInt32, Ptr{GUID}),
      ppavi, szFile, fccType, lParam, mode, pclsidHandler)
# ppavi : IAVIStream** out -> Ptr{Cvoid}
# szFile : LPCWSTR -> Cwstring
# fccType : DWORD -> UInt32
# lParam : INT -> Int32
# mode : DWORD -> UInt32
# pclsidHandler : GUID* optional -> Ptr{GUID}
# stdcall は 32bit のみ意味を持つ(x64 では無視)。
# Unicode(-W): Cwstring には transcode(UInt16, "...") 等で UTF-16 を渡す。

local ffi = require("ffi")
ffi.cdef[[
int32_t AVIStreamOpenFromFileW(
    void* ppavi,
    const uint16_t* szFile,
    uint32_t fccType,
    int32_t lParam,
    uint32_t mode,
    void* pclsidHandler);
]]
local avifil32 = ffi.load("avifil32")
-- avifil32.AVIStreamOpenFromFileW(ppavi, szFile, fccType, lParam, mode, pclsidHandler)
-- ppavi : IAVIStream** out
-- szFile : LPCWSTR
-- fccType : DWORD
-- lParam : INT
-- mode : DWORD
-- pclsidHandler : GUID* optional
-- 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。
-- Unicode(-W): uint16_t* には UTF-16LE のバッファ(ffi.new("uint16_t[?]", ...))を渡す。

const koffi = require('koffi');
const lib = koffi.load('AVIFIL32.dll');
const AVIStreamOpenFromFileW = lib.func('__stdcall', 'AVIStreamOpenFromFileW', 'int32_t', ['void *', 'str16', 'uint32_t', 'int32_t', 'uint32_t', 'void *']);
// AVIStreamOpenFromFileW(ppavi, szFile, fccType, lParam, mode, pclsidHandler)
// ppavi : IAVIStream** out -> 'void *'
// szFile : LPCWSTR -> 'str16'
// fccType : DWORD -> 'uint32_t'
// lParam : INT -> 'int32_t'
// mode : DWORD -> 'uint32_t'
// pclsidHandler : GUID* optional -> '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("AVIFIL32.dll", {
  AVIStreamOpenFromFileW: { parameters: ["pointer", "buffer", "u32", "i32", "u32", "pointer"], result: "i32" },
});
// lib.symbols.AVIStreamOpenFromFileW(ppavi, szFile, fccType, lParam, mode, pclsidHandler)
// ppavi : IAVIStream** out -> "pointer"
// szFile : LPCWSTR -> "buffer"
// fccType : DWORD -> "u32"
// lParam : INT -> "i32"
// mode : DWORD -> "u32"
// pclsidHandler : GUID* optional -> "pointer"
// 文字列は "buffer"。Unicode(-W) は new TextEncoder() ではなく UTF-16LE のバイト列(末尾に \x00\x00)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 AVIStreamOpenFromFileW(
    void* ppavi,
    const uint16_t* szFile,
    uint32_t fccType,
    int32_t lParam,
    uint32_t mode,
    void* pclsidHandler);
C, "AVIFIL32.dll");
// $ffi->AVIStreamOpenFromFileW(ppavi, szFile, fccType, lParam, mode, pclsidHandler);
// ppavi : IAVIStream** out
// szFile : LPCWSTR
// fccType : DWORD
// lParam : INT
// mode : DWORD
// pclsidHandler : GUID* optional
// 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 Avifil32 extends StdCallLibrary {
    Avifil32 INSTANCE = Native.load("avifil32", Avifil32.class, W32APIOptions.UNICODE_OPTIONS);
    int AVIStreamOpenFromFileW(
        Pointer ppavi,   // IAVIStream** out
        WString szFile,   // LPCWSTR
        int fccType,   // DWORD
        int lParam,   // INT
        int mode,   // DWORD
        Pointer pclsidHandler   // GUID* optional
    );
}
// Unicode(-W): WString(入力)/char[](出力)で UTF-16 をマーシャリング。

@[Link("avifil32")]
lib LibAVIFIL32
  fun AVIStreamOpenFromFileW = AVIStreamOpenFromFileW(
    ppavi : Void*,   # IAVIStream** out
    szFile : UInt16*,   # LPCWSTR
    fccType : UInt32,   # DWORD
    lParam : Int32,   # INT
    mode : UInt32,   # DWORD
    pclsidHandler : GUID*   # GUID* optional
  ) : 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 AVIStreamOpenFromFileWNative = Int32 Function(Pointer<Void>, Pointer<Utf16>, Uint32, Int32, Uint32, Pointer<Void>);
typedef AVIStreamOpenFromFileWDart = int Function(Pointer<Void>, Pointer<Utf16>, int, int, int, Pointer<Void>);
final AVIStreamOpenFromFileW = DynamicLibrary.open('AVIFIL32.dll')
    .lookupFunction<AVIStreamOpenFromFileWNative, AVIStreamOpenFromFileWDart>('AVIStreamOpenFromFileW');
// ppavi : IAVIStream** out -> Pointer<Void>
// szFile : LPCWSTR -> Pointer<Utf16>
// fccType : DWORD -> Uint32
// lParam : INT -> Int32
// mode : DWORD -> Uint32
// pclsidHandler : GUID* optional -> Pointer<Void>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
function AVIStreamOpenFromFileW(
  ppavi: Pointer;   // IAVIStream** out
  szFile: PWideChar;   // LPCWSTR
  fccType: DWORD;   // DWORD
  lParam: Integer;   // INT
  mode: DWORD;   // DWORD
  pclsidHandler: PGUID   // GUID* optional
): Integer; stdcall;
  external 'AVIFIL32.dll' name 'AVIStreamOpenFromFileW';

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

foreign import stdcall safe "AVIStreamOpenFromFileW"
  c_AVIStreamOpenFromFileW :: Ptr () -> CWString -> Word32 -> Int32 -> Word32 -> Ptr () -> IO Int32
-- ppavi : IAVIStream** out -> Ptr ()
-- szFile : LPCWSTR -> CWString
-- fccType : DWORD -> Word32
-- lParam : INT -> Int32
-- mode : DWORD -> Word32
-- pclsidHandler : GUID* optional -> 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 avistreamopenfromfilew =
  foreign "AVIStreamOpenFromFileW"
    ((ptr void) @-> (ptr uint16_t) @-> uint32_t @-> int32_t @-> uint32_t @-> (ptr void) @-> returning int32_t)
(* ppavi : IAVIStream** out -> (ptr void) *)
(* szFile : LPCWSTR -> (ptr uint16_t) *)
(* fccType : DWORD -> uint32_t *)
(* lParam : INT -> int32_t *)
(* mode : DWORD -> uint32_t *)
(* pclsidHandler : GUID* optional -> (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 avifil32 (t "AVIFIL32.dll"))
(cffi:use-foreign-library avifil32)

(cffi:defcfun ("AVIStreamOpenFromFileW" avistream-open-from-file-w :convention :stdcall) :int32
  (ppavi :pointer)   ; IAVIStream** out
  (sz-file (:string :encoding :utf-16le))   ; LPCWSTR
  (fcc-type :uint32)   ; DWORD
  (l-param :int32)   ; INT
  (mode :uint32)   ; DWORD
  (pclsid-handler :pointer))   ; GUID* optional
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。

use Win32::API;
my $AVIStreamOpenFromFileW = Win32::API::More->new('AVIFIL32',
    'int AVIStreamOpenFromFileW(LPVOID ppavi, LPCWSTR szFile, DWORD fccType, int lParam, DWORD mode, LPVOID pclsidHandler)');
# my $ret = $AVIStreamOpenFromFileW->Call($ppavi, $szFile, $fccType, $lParam, $mode, $pclsidHandler);
# ppavi : IAVIStream** out -> LPVOID
# szFile : LPCWSTR -> LPCWSTR
# fccType : DWORD -> DWORD
# lParam : INT -> int
# mode : DWORD -> DWORD
# pclsidHandler : GUID* optional -> LPVOID
# 値渡し構造体は pack() した文字列、または Win32::API::Struct を使用。
# Unicode(-W): LPCWSTR/LPWSTR は Win32::API が UTF-16 変換を行う。