midiOutOpen

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

DWORD midiOutOpen(
    HMIDIOUT* phmo,
    DWORD uDeviceID,
    UINT_PTR dwCallback,   // optional
    UINT_PTR dwInstance,   // optional
    MIDI_WAVE_OPEN_TYPE fdwOpen
);

<DllImport("WINMM.dll", ExactSpelling:=True)>
Public Shared Function midiOutOpen(
    phmo As IntPtr,   ' HMIDIOUT* out
    uDeviceID As UInteger,   ' DWORD
    dwCallback As UIntPtr,   ' UINT_PTR optional
    dwInstance As UIntPtr,   ' UINT_PTR optional
    fdwOpen As UInteger   ' MIDI_WAVE_OPEN_TYPE
) As UInteger
End Function

' phmo : HMIDIOUT* out
' uDeviceID : DWORD
' dwCallback : UINT_PTR optional
' dwInstance : UINT_PTR optional
' fdwOpen : MIDI_WAVE_OPEN_TYPE
Declare PtrSafe Function midiOutOpen Lib "winmm" ( _
    ByVal phmo As LongPtr, _
    ByVal uDeviceID As Long, _
    ByVal dwCallback As LongPtr, _
    ByVal dwInstance As LongPtr, _
    ByVal fdwOpen 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

midiOutOpen = ctypes.windll.winmm.midiOutOpen
midiOutOpen.restype = wintypes.DWORD
midiOutOpen.argtypes = [
    ctypes.c_void_p,  # phmo : HMIDIOUT* out
    wintypes.DWORD,  # uDeviceID : DWORD
    ctypes.c_size_t,  # dwCallback : UINT_PTR optional
    ctypes.c_size_t,  # dwInstance : UINT_PTR optional
    wintypes.DWORD,  # fdwOpen : MIDI_WAVE_OPEN_TYPE
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('WINMM.dll')
midiOutOpen = Fiddle::Function.new(
  lib['midiOutOpen'],
  [
    Fiddle::TYPE_VOIDP,  # phmo : HMIDIOUT* out
    -Fiddle::TYPE_INT,  # uDeviceID : DWORD
    Fiddle::TYPE_UINTPTR_T,  # dwCallback : UINT_PTR optional
    Fiddle::TYPE_UINTPTR_T,  # dwInstance : UINT_PTR optional
    -Fiddle::TYPE_INT,  # fdwOpen : MIDI_WAVE_OPEN_TYPE
  ],
  -Fiddle::TYPE_INT)

#[link(name = "winmm")]
extern "system" {
    fn midiOutOpen(
        phmo: *mut *mut core::ffi::c_void,  // HMIDIOUT* out
        uDeviceID: u32,  // DWORD
        dwCallback: usize,  // UINT_PTR optional
        dwInstance: usize,  // UINT_PTR optional
        fdwOpen: u32  // MIDI_WAVE_OPEN_TYPE
    ) -> u32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("WINMM.dll")]
public static extern uint midiOutOpen(IntPtr phmo, uint uDeviceID, UIntPtr dwCallback, UIntPtr dwInstance, uint fdwOpen);
"@
$api = Add-Type -MemberDefinition $sig -Name 'WINMM_midiOutOpen' -Namespace Win32 -PassThru
# $api::midiOutOpen(phmo, uDeviceID, dwCallback, dwInstance, fdwOpen)

#uselib "WINMM.dll"
#func global midiOutOpen "midiOutOpen" sptr, sptr, sptr, sptr, sptr
; midiOutOpen phmo, uDeviceID, dwCallback, dwInstance, fdwOpen   ; 戻り値は stat
; phmo : HMIDIOUT* out -> "sptr"
; uDeviceID : DWORD -> "sptr"
; dwCallback : UINT_PTR optional -> "sptr"
; dwInstance : UINT_PTR optional -> "sptr"
; fdwOpen : MIDI_WAVE_OPEN_TYPE -> "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 "WINMM.dll"
#cfunc global midiOutOpen "midiOutOpen" sptr, int, sptr, sptr, int
; res = midiOutOpen(phmo, uDeviceID, dwCallback, dwInstance, fdwOpen)
; phmo : HMIDIOUT* out -> "sptr"
; uDeviceID : DWORD -> "int"
; dwCallback : UINT_PTR optional -> "sptr"
; dwInstance : UINT_PTR optional -> "sptr"
; fdwOpen : MIDI_WAVE_OPEN_TYPE -> "int"

; DWORD midiOutOpen(HMIDIOUT* phmo, DWORD uDeviceID, UINT_PTR dwCallback, UINT_PTR dwInstance, MIDI_WAVE_OPEN_TYPE fdwOpen)
#uselib "WINMM.dll"
#cfunc global midiOutOpen "midiOutOpen" intptr, int, intptr, intptr, int
; res = midiOutOpen(phmo, uDeviceID, dwCallback, dwInstance, fdwOpen)
; phmo : HMIDIOUT* out -> "intptr"
; uDeviceID : DWORD -> "int"
; dwCallback : UINT_PTR optional -> "intptr"
; dwInstance : UINT_PTR optional -> "intptr"
; fdwOpen : MIDI_WAVE_OPEN_TYPE -> "int"

import (
	"golang.org/x/sys/windows"
	"unsafe"
)

var (
	winmm = windows.NewLazySystemDLL("WINMM.dll")
	procmidiOutOpen = winmm.NewProc("midiOutOpen")
)

// phmo (HMIDIOUT* out), uDeviceID (DWORD), dwCallback (UINT_PTR optional), dwInstance (UINT_PTR optional), fdwOpen (MIDI_WAVE_OPEN_TYPE)
r1, _, err := procmidiOutOpen.Call(
	uintptr(phmo),
	uintptr(uDeviceID),
	uintptr(dwCallback),
	uintptr(dwInstance),
	uintptr(fdwOpen),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // DWORD

function midiOutOpen(
  phmo: Pointer;   // HMIDIOUT* out
  uDeviceID: DWORD;   // DWORD
  dwCallback: NativeUInt;   // UINT_PTR optional
  dwInstance: NativeUInt;   // UINT_PTR optional
  fdwOpen: DWORD   // MIDI_WAVE_OPEN_TYPE
): DWORD; stdcall;
  external 'WINMM.dll' name 'midiOutOpen';

result := DllCall("WINMM\midiOutOpen"
    , "Ptr", phmo   ; HMIDIOUT* out
    , "UInt", uDeviceID   ; DWORD
    , "UPtr", dwCallback   ; UINT_PTR optional
    , "UPtr", dwInstance   ; UINT_PTR optional
    , "UInt", fdwOpen   ; MIDI_WAVE_OPEN_TYPE
    , "UInt")   ; return: DWORD

●midiOutOpen(phmo, uDeviceID, dwCallback, dwInstance, fdwOpen) = DLL("WINMM.dll", "dword midiOutOpen(void*, dword, int, int, dword)")
# 呼び出し: midiOutOpen(phmo, uDeviceID, dwCallback, dwInstance, fdwOpen)
# phmo : HMIDIOUT* out -> "void*"
# uDeviceID : DWORD -> "dword"
# dwCallback : UINT_PTR optional -> "int"
# dwInstance : UINT_PTR optional -> "int"
# fdwOpen : MIDI_WAVE_OPEN_TYPE -> "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 "winmm" fn midiOutOpen(
    phmo: ?*anyopaque, // HMIDIOUT* out
    uDeviceID: u32, // DWORD
    dwCallback: usize, // UINT_PTR optional
    dwInstance: usize, // UINT_PTR optional
    fdwOpen: u32 // MIDI_WAVE_OPEN_TYPE
) callconv(std.os.windows.WINAPI) u32;

proc midiOutOpen(
    phmo: pointer,  # HMIDIOUT* out
    uDeviceID: uint32,  # DWORD
    dwCallback: uint,  # UINT_PTR optional
    dwInstance: uint,  # UINT_PTR optional
    fdwOpen: uint32  # MIDI_WAVE_OPEN_TYPE
): uint32 {.importc: "midiOutOpen", stdcall, dynlib: "WINMM.dll".}

pragma(lib, "winmm");
extern(Windows)
uint midiOutOpen(
    void* phmo,   // HMIDIOUT* out
    uint uDeviceID,   // DWORD
    size_t dwCallback,   // UINT_PTR optional
    size_t dwInstance,   // UINT_PTR optional
    uint fdwOpen   // MIDI_WAVE_OPEN_TYPE
);

ccall((:midiOutOpen, "WINMM.dll"), stdcall, UInt32,
      (Ptr{Cvoid}, UInt32, Csize_t, Csize_t, UInt32),
      phmo, uDeviceID, dwCallback, dwInstance, fdwOpen)
# phmo : HMIDIOUT* out -> Ptr{Cvoid}
# uDeviceID : DWORD -> UInt32
# dwCallback : UINT_PTR optional -> Csize_t
# dwInstance : UINT_PTR optional -> Csize_t
# fdwOpen : MIDI_WAVE_OPEN_TYPE -> UInt32
# stdcall は 32bit のみ意味を持つ(x64 では無視)。

local ffi = require("ffi")
ffi.cdef[[
uint32_t midiOutOpen(
    void* phmo,
    uint32_t uDeviceID,
    uintptr_t dwCallback,
    uintptr_t dwInstance,
    uint32_t fdwOpen);
]]
local winmm = ffi.load("winmm")
-- winmm.midiOutOpen(phmo, uDeviceID, dwCallback, dwInstance, fdwOpen)
-- phmo : HMIDIOUT* out
-- uDeviceID : DWORD
-- dwCallback : UINT_PTR optional
-- dwInstance : UINT_PTR optional
-- fdwOpen : MIDI_WAVE_OPEN_TYPE
-- 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('WINMM.dll');
const midiOutOpen = lib.func('__stdcall', 'midiOutOpen', 'uint32_t', ['void *', 'uint32_t', 'uintptr_t', 'uintptr_t', 'uint32_t']);
// midiOutOpen(phmo, uDeviceID, dwCallback, dwInstance, fdwOpen)
// phmo : HMIDIOUT* out -> 'void *'
// uDeviceID : DWORD -> 'uint32_t'
// dwCallback : UINT_PTR optional -> 'uintptr_t'
// dwInstance : UINT_PTR optional -> 'uintptr_t'
// fdwOpen : MIDI_WAVE_OPEN_TYPE -> '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("WINMM.dll", {
  midiOutOpen: { parameters: ["pointer", "u32", "usize", "usize", "u32"], result: "u32" },
});
// lib.symbols.midiOutOpen(phmo, uDeviceID, dwCallback, dwInstance, fdwOpen)
// phmo : HMIDIOUT* out -> "pointer"
// uDeviceID : DWORD -> "u32"
// dwCallback : UINT_PTR optional -> "usize"
// dwInstance : UINT_PTR optional -> "usize"
// fdwOpen : MIDI_WAVE_OPEN_TYPE -> "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
uint32_t midiOutOpen(
    void* phmo,
    uint32_t uDeviceID,
    size_t dwCallback,
    size_t dwInstance,
    uint32_t fdwOpen);
C, "WINMM.dll");
// $ffi->midiOutOpen(phmo, uDeviceID, dwCallback, dwInstance, fdwOpen);
// phmo : HMIDIOUT* out
// uDeviceID : DWORD
// dwCallback : UINT_PTR optional
// dwInstance : UINT_PTR optional
// fdwOpen : MIDI_WAVE_OPEN_TYPE
// 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 Winmm extends StdCallLibrary {
    Winmm INSTANCE = Native.load("winmm", Winmm.class);
    int midiOutOpen(
        Pointer phmo,   // HMIDIOUT* out
        int uDeviceID,   // DWORD
        long dwCallback,   // UINT_PTR optional
        long dwInstance,   // UINT_PTR optional
        int fdwOpen   // MIDI_WAVE_OPEN_TYPE
    );
}

@[Link("winmm")]
lib LibWINMM
  fun midiOutOpen = midiOutOpen(
    phmo : Void*,   # HMIDIOUT* out
    uDeviceID : UInt32,   # DWORD
    dwCallback : LibC::SizeT,   # UINT_PTR optional
    dwInstance : LibC::SizeT,   # UINT_PTR optional
    fdwOpen : UInt32   # MIDI_WAVE_OPEN_TYPE
  ) : UInt32
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 midiOutOpenNative = Uint32 Function(Pointer<Void>, Uint32, UintPtr, UintPtr, Uint32);
typedef midiOutOpenDart = int Function(Pointer<Void>, int, int, int, int);
final midiOutOpen = DynamicLibrary.open('WINMM.dll')
    .lookupFunction<midiOutOpenNative, midiOutOpenDart>('midiOutOpen');
// phmo : HMIDIOUT* out -> Pointer<Void>
// uDeviceID : DWORD -> Uint32
// dwCallback : UINT_PTR optional -> UintPtr
// dwInstance : UINT_PTR optional -> UintPtr
// fdwOpen : MIDI_WAVE_OPEN_TYPE -> Uint32
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
function midiOutOpen(
  phmo: Pointer;   // HMIDIOUT* out
  uDeviceID: DWORD;   // DWORD
  dwCallback: NativeUInt;   // UINT_PTR optional
  dwInstance: NativeUInt;   // UINT_PTR optional
  fdwOpen: DWORD   // MIDI_WAVE_OPEN_TYPE
): DWORD; stdcall;
  external 'WINMM.dll' name 'midiOutOpen';

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

foreign import stdcall safe "midiOutOpen"
  c_midiOutOpen :: Ptr () -> Word32 -> CUIntPtr -> CUIntPtr -> Word32 -> IO Word32
-- phmo : HMIDIOUT* out -> Ptr ()
-- uDeviceID : DWORD -> Word32
-- dwCallback : UINT_PTR optional -> CUIntPtr
-- dwInstance : UINT_PTR optional -> CUIntPtr
-- fdwOpen : MIDI_WAVE_OPEN_TYPE -> 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 midioutopen =
  foreign "midiOutOpen"
    ((ptr void) @-> uint32_t @-> size_t @-> size_t @-> uint32_t @-> returning uint32_t)
(* phmo : HMIDIOUT* out -> (ptr void) *)
(* uDeviceID : DWORD -> uint32_t *)
(* dwCallback : UINT_PTR optional -> size_t *)
(* dwInstance : UINT_PTR optional -> size_t *)
(* fdwOpen : MIDI_WAVE_OPEN_TYPE -> 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 winmm (t "WINMM.dll"))
(cffi:use-foreign-library winmm)

(cffi:defcfun ("midiOutOpen" midi-out-open :convention :stdcall) :uint32
  (phmo :pointer)   ; HMIDIOUT* out
  (u-device-id :uint32)   ; DWORD
  (dw-callback :uint64)   ; UINT_PTR optional
  (dw-instance :uint64)   ; UINT_PTR optional
  (fdw-open :uint32))   ; MIDI_WAVE_OPEN_TYPE
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。

use Win32::API;
my $midiOutOpen = Win32::API::More->new('WINMM',
    'DWORD midiOutOpen(HANDLE phmo, DWORD uDeviceID, WPARAM dwCallback, WPARAM dwInstance, DWORD fdwOpen)');
# my $ret = $midiOutOpen->Call($phmo, $uDeviceID, $dwCallback, $dwInstance, $fdwOpen);
# phmo : HMIDIOUT* out -> HANDLE
# uDeviceID : DWORD -> DWORD
# dwCallback : UINT_PTR optional -> WPARAM
# dwInstance : UINT_PTR optional -> WPARAM
# fdwOpen : MIDI_WAVE_OPEN_TYPE -> DWORD
# 値渡し構造体は pack() した文字列、または Win32::API::Struct を使用。