MFCreateVideoMediaTypeFromSubtype

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

HRESULT MFCreateVideoMediaTypeFromSubtype(
    const GUID* pAMSubtype,
    IMFVideoMediaType** ppIVideoMediaType
);

<DllImport("MFPlat.dll", ExactSpelling:=True)>
Public Shared Function MFCreateVideoMediaTypeFromSubtype(
    ByRef pAMSubtype As Guid,   ' GUID*
    ppIVideoMediaType As IntPtr   ' IMFVideoMediaType** out
) As Integer
End Function

' pAMSubtype : GUID*
' ppIVideoMediaType : IMFVideoMediaType** out
Declare PtrSafe Function MFCreateVideoMediaTypeFromSubtype Lib "mfplat" ( _
    ByVal pAMSubtype As LongPtr, _
    ByVal ppIVideoMediaType 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

MFCreateVideoMediaTypeFromSubtype = ctypes.windll.mfplat.MFCreateVideoMediaTypeFromSubtype
MFCreateVideoMediaTypeFromSubtype.restype = ctypes.c_int
MFCreateVideoMediaTypeFromSubtype.argtypes = [
    ctypes.c_void_p,  # pAMSubtype : GUID*
    ctypes.c_void_p,  # ppIVideoMediaType : IMFVideoMediaType** out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('MFPlat.dll')
MFCreateVideoMediaTypeFromSubtype = Fiddle::Function.new(
  lib['MFCreateVideoMediaTypeFromSubtype'],
  [
    Fiddle::TYPE_VOIDP,  # pAMSubtype : GUID*
    Fiddle::TYPE_VOIDP,  # ppIVideoMediaType : IMFVideoMediaType** out
  ],
  Fiddle::TYPE_INT)

#[link(name = "mfplat")]
extern "system" {
    fn MFCreateVideoMediaTypeFromSubtype(
        pAMSubtype: *const GUID,  // GUID*
        ppIVideoMediaType: *mut *mut core::ffi::c_void  // IMFVideoMediaType** out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("MFPlat.dll")]
public static extern int MFCreateVideoMediaTypeFromSubtype(ref Guid pAMSubtype, IntPtr ppIVideoMediaType);
"@
$api = Add-Type -MemberDefinition $sig -Name 'MFPlat_MFCreateVideoMediaTypeFromSubtype' -Namespace Win32 -PassThru
# $api::MFCreateVideoMediaTypeFromSubtype(pAMSubtype, ppIVideoMediaType)

#uselib "MFPlat.dll"
#func global MFCreateVideoMediaTypeFromSubtype "MFCreateVideoMediaTypeFromSubtype" sptr, sptr
; MFCreateVideoMediaTypeFromSubtype varptr(pAMSubtype), ppIVideoMediaType   ; 戻り値は stat
; pAMSubtype : GUID* -> "sptr"
; ppIVideoMediaType : IMFVideoMediaType** 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 (
	mfplat = windows.NewLazySystemDLL("MFPlat.dll")
	procMFCreateVideoMediaTypeFromSubtype = mfplat.NewProc("MFCreateVideoMediaTypeFromSubtype")
)

// pAMSubtype (GUID*), ppIVideoMediaType (IMFVideoMediaType** out)
r1, _, err := procMFCreateVideoMediaTypeFromSubtype.Call(
	uintptr(pAMSubtype),
	uintptr(ppIVideoMediaType),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HRESULT

function MFCreateVideoMediaTypeFromSubtype(
  pAMSubtype: PGUID;   // GUID*
  ppIVideoMediaType: Pointer   // IMFVideoMediaType** out
): Integer; stdcall;
  external 'MFPlat.dll' name 'MFCreateVideoMediaTypeFromSubtype';

result := DllCall("MFPlat\MFCreateVideoMediaTypeFromSubtype"
    , "Ptr", pAMSubtype   ; GUID*
    , "Ptr", ppIVideoMediaType   ; IMFVideoMediaType** out
    , "Int")   ; return: HRESULT

●MFCreateVideoMediaTypeFromSubtype(pAMSubtype, ppIVideoMediaType) = DLL("MFPlat.dll", "int MFCreateVideoMediaTypeFromSubtype(void*, void*)")
# 呼び出し: MFCreateVideoMediaTypeFromSubtype(pAMSubtype, ppIVideoMediaType)
# pAMSubtype : GUID* -> "void*"
# ppIVideoMediaType : IMFVideoMediaType** 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 "mfplat" fn MFCreateVideoMediaTypeFromSubtype(
    pAMSubtype: [*c]GUID, // GUID*
    ppIVideoMediaType: ?*anyopaque // IMFVideoMediaType** out
) callconv(std.os.windows.WINAPI) i32;

proc MFCreateVideoMediaTypeFromSubtype(
    pAMSubtype: ptr GUID,  # GUID*
    ppIVideoMediaType: pointer  # IMFVideoMediaType** out
): int32 {.importc: "MFCreateVideoMediaTypeFromSubtype", stdcall, dynlib: "MFPlat.dll".}

pragma(lib, "mfplat");
extern(Windows)
int MFCreateVideoMediaTypeFromSubtype(
    GUID* pAMSubtype,   // GUID*
    void* ppIVideoMediaType   // IMFVideoMediaType** out
);

ccall((:MFCreateVideoMediaTypeFromSubtype, "MFPlat.dll"), stdcall, Int32,
      (Ptr{GUID}, Ptr{Cvoid}),
      pAMSubtype, ppIVideoMediaType)
# pAMSubtype : GUID* -> Ptr{GUID}
# ppIVideoMediaType : IMFVideoMediaType** 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 MFCreateVideoMediaTypeFromSubtype(
    void* pAMSubtype,
    void* ppIVideoMediaType);
]]
local mfplat = ffi.load("mfplat")
-- mfplat.MFCreateVideoMediaTypeFromSubtype(pAMSubtype, ppIVideoMediaType)
-- pAMSubtype : GUID*
-- ppIVideoMediaType : IMFVideoMediaType** 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('MFPlat.dll');
const MFCreateVideoMediaTypeFromSubtype = lib.func('__stdcall', 'MFCreateVideoMediaTypeFromSubtype', 'int32_t', ['void *', 'void *']);
// MFCreateVideoMediaTypeFromSubtype(pAMSubtype, ppIVideoMediaType)
// pAMSubtype : GUID* -> 'void *'
// ppIVideoMediaType : IMFVideoMediaType** out -> '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("MFPlat.dll", {
  MFCreateVideoMediaTypeFromSubtype: { parameters: ["pointer", "pointer"], result: "i32" },
});
// lib.symbols.MFCreateVideoMediaTypeFromSubtype(pAMSubtype, ppIVideoMediaType)
// pAMSubtype : GUID* -> "pointer"
// ppIVideoMediaType : IMFVideoMediaType** 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 MFCreateVideoMediaTypeFromSubtype(
    void* pAMSubtype,
    void* ppIVideoMediaType);
C, "MFPlat.dll");
// $ffi->MFCreateVideoMediaTypeFromSubtype(pAMSubtype, ppIVideoMediaType);
// pAMSubtype : GUID*
// ppIVideoMediaType : IMFVideoMediaType** 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 Mfplat extends StdCallLibrary {
    Mfplat INSTANCE = Native.load("mfplat", Mfplat.class);
    int MFCreateVideoMediaTypeFromSubtype(
        Pointer pAMSubtype,   // GUID*
        Pointer ppIVideoMediaType   // IMFVideoMediaType** out
    );
}

@[Link("mfplat")]
lib LibMFPlat
  fun MFCreateVideoMediaTypeFromSubtype = MFCreateVideoMediaTypeFromSubtype(
    pAMSubtype : GUID*,   # GUID*
    ppIVideoMediaType : Void*   # IMFVideoMediaType** 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 MFCreateVideoMediaTypeFromSubtypeNative = Int32 Function(Pointer<Void>, Pointer<Void>);
typedef MFCreateVideoMediaTypeFromSubtypeDart = int Function(Pointer<Void>, Pointer<Void>);
final MFCreateVideoMediaTypeFromSubtype = DynamicLibrary.open('MFPlat.dll')
    .lookupFunction<MFCreateVideoMediaTypeFromSubtypeNative, MFCreateVideoMediaTypeFromSubtypeDart>('MFCreateVideoMediaTypeFromSubtype');
// pAMSubtype : GUID* -> Pointer<Void>
// ppIVideoMediaType : IMFVideoMediaType** out -> Pointer<Void>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
function MFCreateVideoMediaTypeFromSubtype(
  pAMSubtype: PGUID;   // GUID*
  ppIVideoMediaType: Pointer   // IMFVideoMediaType** out
): Integer; stdcall;
  external 'MFPlat.dll' name 'MFCreateVideoMediaTypeFromSubtype';

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

foreign import stdcall safe "MFCreateVideoMediaTypeFromSubtype"
  c_MFCreateVideoMediaTypeFromSubtype :: Ptr () -> Ptr () -> IO Int32
-- pAMSubtype : GUID* -> Ptr ()
-- ppIVideoMediaType : IMFVideoMediaType** 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 mfcreatevideomediatypefromsubtype =
  foreign "MFCreateVideoMediaTypeFromSubtype"
    ((ptr void) @-> (ptr void) @-> returning int32_t)
(* pAMSubtype : GUID* -> (ptr void) *)
(* ppIVideoMediaType : IMFVideoMediaType** 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 mfplat (t "MFPlat.dll"))
(cffi:use-foreign-library mfplat)

(cffi:defcfun ("MFCreateVideoMediaTypeFromSubtype" mfcreate-video-media-type-from-subtype :convention :stdcall) :int32
  (p-amsubtype :pointer)   ; GUID*
  (pp-ivideo-media-type :pointer))   ; IMFVideoMediaType** out
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。

use Win32::API;
my $MFCreateVideoMediaTypeFromSubtype = Win32::API::More->new('MFPlat',
    'int MFCreateVideoMediaTypeFromSubtype(LPVOID pAMSubtype, LPVOID ppIVideoMediaType)');
# my $ret = $MFCreateVideoMediaTypeFromSubtype->Call($pAMSubtype, $ppIVideoMediaType);
# pAMSubtype : GUID* -> LPVOID
# ppIVideoMediaType : IMFVideoMediaType** out -> LPVOID
# 値渡し構造体は pack() した文字列、または Win32::API::Struct を使用。