MFCreateMuxStreamSample

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

HRESULT MFCreateMuxStreamSample(
    IMFCollection* pSamplesToMux,
    IMFSample** ppMuxSample
);

<DllImport("MFPlat.dll", ExactSpelling:=True)>
Public Shared Function MFCreateMuxStreamSample(
    pSamplesToMux As IntPtr,   ' IMFCollection*
    ppMuxSample As IntPtr   ' IMFSample** out
) As Integer
End Function

' pSamplesToMux : IMFCollection*
' ppMuxSample : IMFSample** out
Declare PtrSafe Function MFCreateMuxStreamSample Lib "mfplat" ( _
    ByVal pSamplesToMux As LongPtr, _
    ByVal ppMuxSample 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

MFCreateMuxStreamSample = ctypes.windll.mfplat.MFCreateMuxStreamSample
MFCreateMuxStreamSample.restype = ctypes.c_int
MFCreateMuxStreamSample.argtypes = [
    ctypes.c_void_p,  # pSamplesToMux : IMFCollection*
    ctypes.c_void_p,  # ppMuxSample : IMFSample** out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('MFPlat.dll')
MFCreateMuxStreamSample = Fiddle::Function.new(
  lib['MFCreateMuxStreamSample'],
  [
    Fiddle::TYPE_VOIDP,  # pSamplesToMux : IMFCollection*
    Fiddle::TYPE_VOIDP,  # ppMuxSample : IMFSample** out
  ],
  Fiddle::TYPE_INT)

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

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

#uselib "MFPlat.dll"
#func global MFCreateMuxStreamSample "MFCreateMuxStreamSample" sptr, sptr
; MFCreateMuxStreamSample pSamplesToMux, ppMuxSample   ; 戻り値は stat
; pSamplesToMux : IMFCollection* -> "sptr"
; ppMuxSample : IMFSample** 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 MFCreateMuxStreamSample "MFCreateMuxStreamSample" sptr, sptr
; res = MFCreateMuxStreamSample(pSamplesToMux, ppMuxSample)
; pSamplesToMux : IMFCollection* -> "sptr"
; ppMuxSample : IMFSample** out -> "sptr"

; HRESULT MFCreateMuxStreamSample(IMFCollection* pSamplesToMux, IMFSample** ppMuxSample)
#uselib "MFPlat.dll"
#cfunc global MFCreateMuxStreamSample "MFCreateMuxStreamSample" intptr, intptr
; res = MFCreateMuxStreamSample(pSamplesToMux, ppMuxSample)
; pSamplesToMux : IMFCollection* -> "intptr"
; ppMuxSample : IMFSample** out -> "intptr"

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

var (
	mfplat = windows.NewLazySystemDLL("MFPlat.dll")
	procMFCreateMuxStreamSample = mfplat.NewProc("MFCreateMuxStreamSample")
)

// pSamplesToMux (IMFCollection*), ppMuxSample (IMFSample** out)
r1, _, err := procMFCreateMuxStreamSample.Call(
	uintptr(pSamplesToMux),
	uintptr(ppMuxSample),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HRESULT

function MFCreateMuxStreamSample(
  pSamplesToMux: Pointer;   // IMFCollection*
  ppMuxSample: Pointer   // IMFSample** out
): Integer; stdcall;
  external 'MFPlat.dll' name 'MFCreateMuxStreamSample';

result := DllCall("MFPlat\MFCreateMuxStreamSample"
    , "Ptr", pSamplesToMux   ; IMFCollection*
    , "Ptr", ppMuxSample   ; IMFSample** out
    , "Int")   ; return: HRESULT

●MFCreateMuxStreamSample(pSamplesToMux, ppMuxSample) = DLL("MFPlat.dll", "int MFCreateMuxStreamSample(void*, void*)")
# 呼び出し: MFCreateMuxStreamSample(pSamplesToMux, ppMuxSample)
# pSamplesToMux : IMFCollection* -> "void*"
# ppMuxSample : IMFSample** 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)。