MFCreateMuxStreamAttributes

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

HRESULT MFCreateMuxStreamAttributes(
    IMFCollection* pAttributesToMux,
    IMFAttributes** ppMuxAttribs
);

<DllImport("MFPlat.dll", ExactSpelling:=True)>
Public Shared Function MFCreateMuxStreamAttributes(
    pAttributesToMux As IntPtr,   ' IMFCollection*
    ppMuxAttribs As IntPtr   ' IMFAttributes** out
) As Integer
End Function

' pAttributesToMux : IMFCollection*
' ppMuxAttribs : IMFAttributes** out
Declare PtrSafe Function MFCreateMuxStreamAttributes Lib "mfplat" ( _
    ByVal pAttributesToMux As LongPtr, _
    ByVal ppMuxAttribs 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

MFCreateMuxStreamAttributes = ctypes.windll.mfplat.MFCreateMuxStreamAttributes
MFCreateMuxStreamAttributes.restype = ctypes.c_int
MFCreateMuxStreamAttributes.argtypes = [
    ctypes.c_void_p,  # pAttributesToMux : IMFCollection*
    ctypes.c_void_p,  # ppMuxAttribs : IMFAttributes** out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('MFPlat.dll')
MFCreateMuxStreamAttributes = Fiddle::Function.new(
  lib['MFCreateMuxStreamAttributes'],
  [
    Fiddle::TYPE_VOIDP,  # pAttributesToMux : IMFCollection*
    Fiddle::TYPE_VOIDP,  # ppMuxAttribs : IMFAttributes** out
  ],
  Fiddle::TYPE_INT)

#[link(name = "mfplat")]
extern "system" {
    fn MFCreateMuxStreamAttributes(
        pAttributesToMux: *mut core::ffi::c_void,  // IMFCollection*
        ppMuxAttribs: *mut *mut core::ffi::c_void  // IMFAttributes** out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("MFPlat.dll")]
public static extern int MFCreateMuxStreamAttributes(IntPtr pAttributesToMux, IntPtr ppMuxAttribs);
"@
$api = Add-Type -MemberDefinition $sig -Name 'MFPlat_MFCreateMuxStreamAttributes' -Namespace Win32 -PassThru
# $api::MFCreateMuxStreamAttributes(pAttributesToMux, ppMuxAttribs)

#uselib "MFPlat.dll"
#func global MFCreateMuxStreamAttributes "MFCreateMuxStreamAttributes" sptr, sptr
; MFCreateMuxStreamAttributes pAttributesToMux, ppMuxAttribs   ; 戻り値は stat
; pAttributesToMux : IMFCollection* -> "sptr"
; ppMuxAttribs : IMFAttributes** 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。

#uselib "MFPlat.dll"
#cfunc global MFCreateMuxStreamAttributes "MFCreateMuxStreamAttributes" sptr, sptr
; res = MFCreateMuxStreamAttributes(pAttributesToMux, ppMuxAttribs)
; pAttributesToMux : IMFCollection* -> "sptr"
; ppMuxAttribs : IMFAttributes** out -> "sptr"

; HRESULT MFCreateMuxStreamAttributes(IMFCollection* pAttributesToMux, IMFAttributes** ppMuxAttribs)
#uselib "MFPlat.dll"
#cfunc global MFCreateMuxStreamAttributes "MFCreateMuxStreamAttributes" intptr, intptr
; res = MFCreateMuxStreamAttributes(pAttributesToMux, ppMuxAttribs)
; pAttributesToMux : IMFCollection* -> "intptr"
; ppMuxAttribs : IMFAttributes** out -> "intptr"

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

var (
	mfplat = windows.NewLazySystemDLL("MFPlat.dll")
	procMFCreateMuxStreamAttributes = mfplat.NewProc("MFCreateMuxStreamAttributes")
)

// pAttributesToMux (IMFCollection*), ppMuxAttribs (IMFAttributes** out)
r1, _, err := procMFCreateMuxStreamAttributes.Call(
	uintptr(pAttributesToMux),
	uintptr(ppMuxAttribs),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HRESULT

function MFCreateMuxStreamAttributes(
  pAttributesToMux: Pointer;   // IMFCollection*
  ppMuxAttribs: Pointer   // IMFAttributes** out
): Integer; stdcall;
  external 'MFPlat.dll' name 'MFCreateMuxStreamAttributes';

result := DllCall("MFPlat\MFCreateMuxStreamAttributes"
    , "Ptr", pAttributesToMux   ; IMFCollection*
    , "Ptr", ppMuxAttribs   ; IMFAttributes** out
    , "Int")   ; return: HRESULT

●MFCreateMuxStreamAttributes(pAttributesToMux, ppMuxAttribs) = DLL("MFPlat.dll", "int MFCreateMuxStreamAttributes(void*, void*)")
# 呼び出し: MFCreateMuxStreamAttributes(pAttributesToMux, ppMuxAttribs)
# pAttributesToMux : IMFCollection* -> "void*"
# ppMuxAttribs : IMFAttributes** 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)。