AVISaveVW

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

HRESULT AVISaveVW(
    LPCWSTR szFile,
    GUID* pclsidHandler,   // optional
    AVISAVECALLBACK lpfnCallback,
    INT nStreams,
    IAVIStream** ppavi,
    AVICOMPRESSOPTIONS** plpOptions
);

<DllImport("AVIFIL32.dll", CharSet:=CharSet.Unicode, ExactSpelling:=True)>
Public Shared Function AVISaveVW(
    <MarshalAs(UnmanagedType.LPWStr)> szFile As String,   ' LPCWSTR
    pclsidHandler As IntPtr,   ' GUID* optional
    lpfnCallback As IntPtr,   ' AVISAVECALLBACK
    nStreams As Integer,   ' INT
    ppavi As IntPtr,   ' IAVIStream**
    plpOptions As IntPtr   ' AVICOMPRESSOPTIONS**
) As Integer
End Function

' szFile : LPCWSTR
' pclsidHandler : GUID* optional
' lpfnCallback : AVISAVECALLBACK
' nStreams : INT
' ppavi : IAVIStream**
' plpOptions : AVICOMPRESSOPTIONS**
Declare PtrSafe Function AVISaveVW Lib "avifil32" ( _
    ByVal szFile As LongPtr, _
    ByVal pclsidHandler As LongPtr, _
    ByVal lpfnCallback As LongPtr, _
    ByVal nStreams As Long, _
    ByVal ppavi As LongPtr, _
    ByVal plpOptions 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

AVISaveVW = ctypes.windll.avifil32.AVISaveVW
AVISaveVW.restype = ctypes.c_int
AVISaveVW.argtypes = [
    wintypes.LPCWSTR,  # szFile : LPCWSTR
    ctypes.c_void_p,  # pclsidHandler : GUID* optional
    ctypes.c_void_p,  # lpfnCallback : AVISAVECALLBACK
    ctypes.c_int,  # nStreams : INT
    ctypes.c_void_p,  # ppavi : IAVIStream**
    ctypes.c_void_p,  # plpOptions : AVICOMPRESSOPTIONS**
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('AVIFIL32.dll')
AVISaveVW = Fiddle::Function.new(
  lib['AVISaveVW'],
  [
    Fiddle::TYPE_VOIDP,  # szFile : LPCWSTR
    Fiddle::TYPE_VOIDP,  # pclsidHandler : GUID* optional
    Fiddle::TYPE_VOIDP,  # lpfnCallback : AVISAVECALLBACK
    Fiddle::TYPE_INT,  # nStreams : INT
    Fiddle::TYPE_VOIDP,  # ppavi : IAVIStream**
    Fiddle::TYPE_VOIDP,  # plpOptions : AVICOMPRESSOPTIONS**
  ],
  Fiddle::TYPE_INT)
# Wide strings: pass str.encode("UTF-16LE") + "\x00\x00"

#[link(name = "avifil32")]
extern "system" {
    fn AVISaveVW(
        szFile: *const u16,  // LPCWSTR
        pclsidHandler: *mut GUID,  // GUID* optional
        lpfnCallback: *const core::ffi::c_void,  // AVISAVECALLBACK
        nStreams: i32,  // INT
        ppavi: *mut *mut core::ffi::c_void,  // IAVIStream**
        plpOptions: *mut *mut AVICOMPRESSOPTIONS  // AVICOMPRESSOPTIONS**
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("AVIFIL32.dll", CharSet = CharSet.Unicode)]
public static extern int AVISaveVW([MarshalAs(UnmanagedType.LPWStr)] string szFile, IntPtr pclsidHandler, IntPtr lpfnCallback, int nStreams, IntPtr ppavi, IntPtr plpOptions);
"@
$api = Add-Type -MemberDefinition $sig -Name 'AVIFIL32_AVISaveVW' -Namespace Win32 -PassThru
# $api::AVISaveVW(szFile, pclsidHandler, lpfnCallback, nStreams, ppavi, plpOptions)

#uselib "AVIFIL32.dll"
#func global AVISaveVW "AVISaveVW" wptr, wptr, wptr, wptr, wptr, wptr
; AVISaveVW szFile, varptr(pclsidHandler), lpfnCallback, nStreams, ppavi, varptr(plpOptions)   ; 戻り値は stat
; szFile : LPCWSTR -> "wptr"
; pclsidHandler : GUID* optional -> "wptr"
; lpfnCallback : AVISAVECALLBACK -> "wptr"
; nStreams : INT -> "wptr"
; ppavi : IAVIStream** -> "wptr"
; plpOptions : AVICOMPRESSOPTIONS** -> "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")
	procAVISaveVW = avifil32.NewProc("AVISaveVW")
)

// szFile (LPCWSTR), pclsidHandler (GUID* optional), lpfnCallback (AVISAVECALLBACK), nStreams (INT), ppavi (IAVIStream**), plpOptions (AVICOMPRESSOPTIONS**)
r1, _, err := procAVISaveVW.Call(
	uintptr(unsafe.Pointer(windows.StringToUTF16Ptr(szFile))),
	uintptr(pclsidHandler),
	uintptr(lpfnCallback),
	uintptr(nStreams),
	uintptr(ppavi),
	uintptr(plpOptions),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HRESULT

function AVISaveVW(
  szFile: PWideChar;   // LPCWSTR
  pclsidHandler: PGUID;   // GUID* optional
  lpfnCallback: Pointer;   // AVISAVECALLBACK
  nStreams: Integer;   // INT
  ppavi: Pointer;   // IAVIStream**
  plpOptions: Pointer   // AVICOMPRESSOPTIONS**
): Integer; stdcall;
  external 'AVIFIL32.dll' name 'AVISaveVW';

result := DllCall("AVIFIL32\AVISaveVW"
    , "WStr", szFile   ; LPCWSTR
    , "Ptr", pclsidHandler   ; GUID* optional
    , "Ptr", lpfnCallback   ; AVISAVECALLBACK
    , "Int", nStreams   ; INT
    , "Ptr", ppavi   ; IAVIStream**
    , "Ptr", plpOptions   ; AVICOMPRESSOPTIONS**
    , "Int")   ; return: HRESULT

●AVISaveVW(szFile, pclsidHandler, lpfnCallback, nStreams, ppavi, plpOptions) = DLL("AVIFIL32.dll", "int AVISaveVW(char*, void*, void*, int, void*, void*)")
# 呼び出し: AVISaveVW(szFile, pclsidHandler, lpfnCallback, nStreams, ppavi, plpOptions)
# szFile : LPCWSTR -> "char*"
# pclsidHandler : GUID* optional -> "void*"
# lpfnCallback : AVISAVECALLBACK -> "void*"
# nStreams : INT -> "int"
# ppavi : IAVIStream** -> "void*"
# plpOptions : AVICOMPRESSOPTIONS** -> "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 AVISaveVW(
    szFile: [*c]const u16, // LPCWSTR
    pclsidHandler: [*c]GUID, // GUID* optional
    lpfnCallback: ?*anyopaque, // AVISAVECALLBACK
    nStreams: i32, // INT
    ppavi: ?*anyopaque, // IAVIStream**
    plpOptions: [*c][*c]AVICOMPRESSOPTIONS // AVICOMPRESSOPTIONS**
) 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 AVISaveVW(
    szFile: WideCString,  # LPCWSTR
    pclsidHandler: ptr GUID,  # GUID* optional
    lpfnCallback: pointer,  # AVISAVECALLBACK
    nStreams: int32,  # INT
    ppavi: pointer,  # IAVIStream**
    plpOptions: ptr AVICOMPRESSOPTIONS  # AVICOMPRESSOPTIONS**
): int32 {.importc: "AVISaveVW", stdcall, dynlib: "AVIFIL32.dll".}
# Unicode(-W): WideCString は newWideCString("...") で生成。

pragma(lib, "avifil32");
extern(Windows)
int AVISaveVW(
    const(wchar)* szFile,   // LPCWSTR
    GUID* pclsidHandler,   // GUID* optional
    void* lpfnCallback,   // AVISAVECALLBACK
    int nStreams,   // INT
    void* ppavi,   // IAVIStream**
    AVICOMPRESSOPTIONS** plpOptions   // AVICOMPRESSOPTIONS**
);

ccall((:AVISaveVW, "AVIFIL32.dll"), stdcall, Int32,
      (Cwstring, Ptr{GUID}, Ptr{Cvoid}, Int32, Ptr{Cvoid}, Ptr{AVICOMPRESSOPTIONS}),
      szFile, pclsidHandler, lpfnCallback, nStreams, ppavi, plpOptions)
# szFile : LPCWSTR -> Cwstring
# pclsidHandler : GUID* optional -> Ptr{GUID}
# lpfnCallback : AVISAVECALLBACK -> Ptr{Cvoid}
# nStreams : INT -> Int32
# ppavi : IAVIStream** -> Ptr{Cvoid}
# plpOptions : AVICOMPRESSOPTIONS** -> Ptr{AVICOMPRESSOPTIONS}
# 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 AVISaveVW(
    const uint16_t* szFile,
    void* pclsidHandler,
    void* lpfnCallback,
    int32_t nStreams,
    void* ppavi,
    void* plpOptions);
]]
local avifil32 = ffi.load("avifil32")
-- avifil32.AVISaveVW(szFile, pclsidHandler, lpfnCallback, nStreams, ppavi, plpOptions)
-- szFile : LPCWSTR
-- pclsidHandler : GUID* optional
-- lpfnCallback : AVISAVECALLBACK
-- nStreams : INT
-- ppavi : IAVIStream**
-- plpOptions : AVICOMPRESSOPTIONS**
-- 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 AVISaveVW = lib.func('__stdcall', 'AVISaveVW', 'int32_t', ['str16', 'void *', 'void *', 'int32_t', 'void *', 'void *']);
// AVISaveVW(szFile, pclsidHandler, lpfnCallback, nStreams, ppavi, plpOptions)
// szFile : LPCWSTR -> 'str16'
// pclsidHandler : GUID* optional -> 'void *'
// lpfnCallback : AVISAVECALLBACK -> 'void *'
// nStreams : INT -> 'int32_t'
// ppavi : IAVIStream** -> 'void *'
// plpOptions : AVICOMPRESSOPTIONS** -> '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("AVIFIL32.dll", {
  AVISaveVW: { parameters: ["buffer", "pointer", "pointer", "i32", "pointer", "pointer"], result: "i32" },
});
// lib.symbols.AVISaveVW(szFile, pclsidHandler, lpfnCallback, nStreams, ppavi, plpOptions)
// szFile : LPCWSTR -> "buffer"
// pclsidHandler : GUID* optional -> "pointer"
// lpfnCallback : AVISAVECALLBACK -> "pointer"
// nStreams : INT -> "i32"
// ppavi : IAVIStream** -> "pointer"
// plpOptions : AVICOMPRESSOPTIONS** -> "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 AVISaveVW(
    const uint16_t* szFile,
    void* pclsidHandler,
    void* lpfnCallback,
    int32_t nStreams,
    void* ppavi,
    void* plpOptions);
C, "AVIFIL32.dll");
// $ffi->AVISaveVW(szFile, pclsidHandler, lpfnCallback, nStreams, ppavi, plpOptions);
// szFile : LPCWSTR
// pclsidHandler : GUID* optional
// lpfnCallback : AVISAVECALLBACK
// nStreams : INT
// ppavi : IAVIStream**
// plpOptions : AVICOMPRESSOPTIONS**
// 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 AVISaveVW(
        WString szFile,   // LPCWSTR
        Pointer pclsidHandler,   // GUID* optional
        Callback lpfnCallback,   // AVISAVECALLBACK
        int nStreams,   // INT
        Pointer ppavi,   // IAVIStream**
        Pointer plpOptions   // AVICOMPRESSOPTIONS**
    );
}
// Unicode(-W): WString(入力)/char[](出力)で UTF-16 をマーシャリング。

@[Link("avifil32")]
lib LibAVIFIL32
  fun AVISaveVW = AVISaveVW(
    szFile : UInt16*,   # LPCWSTR
    pclsidHandler : GUID*,   # GUID* optional
    lpfnCallback : Void*,   # AVISAVECALLBACK
    nStreams : Int32,   # INT
    ppavi : Void*,   # IAVIStream**
    plpOptions : AVICOMPRESSOPTIONS**   # AVICOMPRESSOPTIONS**
  ) : 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 AVISaveVWNative = Int32 Function(Pointer<Utf16>, Pointer<Void>, Pointer<Void>, Int32, Pointer<Void>, Pointer<Void>);
typedef AVISaveVWDart = int Function(Pointer<Utf16>, Pointer<Void>, Pointer<Void>, int, Pointer<Void>, Pointer<Void>);
final AVISaveVW = DynamicLibrary.open('AVIFIL32.dll')
    .lookupFunction<AVISaveVWNative, AVISaveVWDart>('AVISaveVW');
// szFile : LPCWSTR -> Pointer<Utf16>
// pclsidHandler : GUID* optional -> Pointer<Void>
// lpfnCallback : AVISAVECALLBACK -> Pointer<Void>
// nStreams : INT -> Int32
// ppavi : IAVIStream** -> Pointer<Void>
// plpOptions : AVICOMPRESSOPTIONS** -> Pointer<Void>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
function AVISaveVW(
  szFile: PWideChar;   // LPCWSTR
  pclsidHandler: PGUID;   // GUID* optional
  lpfnCallback: Pointer;   // AVISAVECALLBACK
  nStreams: Integer;   // INT
  ppavi: Pointer;   // IAVIStream**
  plpOptions: Pointer   // AVICOMPRESSOPTIONS**
): Integer; stdcall;
  external 'AVIFIL32.dll' name 'AVISaveVW';

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

foreign import stdcall safe "AVISaveVW"
  c_AVISaveVW :: CWString -> Ptr () -> Ptr () -> Int32 -> Ptr () -> Ptr () -> IO Int32
-- szFile : LPCWSTR -> CWString
-- pclsidHandler : GUID* optional -> Ptr ()
-- lpfnCallback : AVISAVECALLBACK -> Ptr ()
-- nStreams : INT -> Int32
-- ppavi : IAVIStream** -> Ptr ()
-- plpOptions : AVICOMPRESSOPTIONS** -> 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 avisavevw =
  foreign "AVISaveVW"
    ((ptr uint16_t) @-> (ptr void) @-> (ptr void) @-> int32_t @-> (ptr void) @-> (ptr void) @-> returning int32_t)
(* szFile : LPCWSTR -> (ptr uint16_t) *)
(* pclsidHandler : GUID* optional -> (ptr void) *)
(* lpfnCallback : AVISAVECALLBACK -> (ptr void) *)
(* nStreams : INT -> int32_t *)
(* ppavi : IAVIStream** -> (ptr void) *)
(* plpOptions : AVICOMPRESSOPTIONS** -> (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 ("AVISaveVW" avisave-vw :convention :stdcall) :int32
  (sz-file (:string :encoding :utf-16le))   ; LPCWSTR
  (pclsid-handler :pointer)   ; GUID* optional
  (lpfn-callback :pointer)   ; AVISAVECALLBACK
  (n-streams :int32)   ; INT
  (ppavi :pointer)   ; IAVIStream**
  (plp-options :pointer))   ; AVICOMPRESSOPTIONS**
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。

use Win32::API;
my $AVISaveVW = Win32::API::More->new('AVIFIL32',
    'int AVISaveVW(LPCWSTR szFile, LPVOID pclsidHandler, LPVOID lpfnCallback, int nStreams, LPVOID ppavi, LPVOID plpOptions)');
# my $ret = $AVISaveVW->Call($szFile, $pclsidHandler, $lpfnCallback, $nStreams, $ppavi, $plpOptions);
# szFile : LPCWSTR -> LPCWSTR
# pclsidHandler : GUID* optional -> LPVOID
# lpfnCallback : AVISAVECALLBACK -> LPVOID
# nStreams : INT -> int
# ppavi : IAVIStream** -> LPVOID
# plpOptions : AVICOMPRESSOPTIONS** -> 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。
# Unicode(-W): LPCWSTR/LPWSTR は Win32::API が UTF-16 変換を行う。