MFCreateTrackedSample

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

HRESULT MFCreateTrackedSample(
    IMFTrackedSample** ppMFSample
);

<DllImport("MFPlat.dll", ExactSpelling:=True)>
Public Shared Function MFCreateTrackedSample(
    ppMFSample As IntPtr   ' IMFTrackedSample** out
) As Integer
End Function

' ppMFSample : IMFTrackedSample** out
Declare PtrSafe Function MFCreateTrackedSample Lib "mfplat" ( _
    ByVal ppMFSample 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

MFCreateTrackedSample = ctypes.windll.mfplat.MFCreateTrackedSample
MFCreateTrackedSample.restype = ctypes.c_int
MFCreateTrackedSample.argtypes = [
    ctypes.c_void_p,  # ppMFSample : IMFTrackedSample** out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('MFPlat.dll')
MFCreateTrackedSample = Fiddle::Function.new(
  lib['MFCreateTrackedSample'],
  [
    Fiddle::TYPE_VOIDP,  # ppMFSample : IMFTrackedSample** out
  ],
  Fiddle::TYPE_INT)

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

$sig = @"
[DllImport("MFPlat.dll")]
public static extern int MFCreateTrackedSample(IntPtr ppMFSample);
"@
$api = Add-Type -MemberDefinition $sig -Name 'MFPlat_MFCreateTrackedSample' -Namespace Win32 -PassThru
# $api::MFCreateTrackedSample(ppMFSample)

#uselib "MFPlat.dll"
#func global MFCreateTrackedSample "MFCreateTrackedSample" sptr
; MFCreateTrackedSample ppMFSample   ; 戻り値は stat
; ppMFSample : IMFTrackedSample** 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 MFCreateTrackedSample "MFCreateTrackedSample" sptr
; res = MFCreateTrackedSample(ppMFSample)
; ppMFSample : IMFTrackedSample** out -> "sptr"

; HRESULT MFCreateTrackedSample(IMFTrackedSample** ppMFSample)
#uselib "MFPlat.dll"
#cfunc global MFCreateTrackedSample "MFCreateTrackedSample" intptr
; res = MFCreateTrackedSample(ppMFSample)
; ppMFSample : IMFTrackedSample** out -> "intptr"

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

var (
	mfplat = windows.NewLazySystemDLL("MFPlat.dll")
	procMFCreateTrackedSample = mfplat.NewProc("MFCreateTrackedSample")
)

// ppMFSample (IMFTrackedSample** out)
r1, _, err := procMFCreateTrackedSample.Call(
	uintptr(ppMFSample),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HRESULT

function MFCreateTrackedSample(
  ppMFSample: Pointer   // IMFTrackedSample** out
): Integer; stdcall;
  external 'MFPlat.dll' name 'MFCreateTrackedSample';

result := DllCall("MFPlat\MFCreateTrackedSample"
    , "Ptr", ppMFSample   ; IMFTrackedSample** out
    , "Int")   ; return: HRESULT

●MFCreateTrackedSample(ppMFSample) = DLL("MFPlat.dll", "int MFCreateTrackedSample(void*)")
# 呼び出し: MFCreateTrackedSample(ppMFSample)
# ppMFSample : IMFTrackedSample** 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)。