MFCreateStreamOnMFByteStreamEx

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

HRESULT MFCreateStreamOnMFByteStreamEx(
    IMFByteStream* pByteStream,
    const GUID* riid,
    void** ppv
);

<DllImport("MFPlat.dll", ExactSpelling:=True)>
Public Shared Function MFCreateStreamOnMFByteStreamEx(
    pByteStream As IntPtr,   ' IMFByteStream*
    ByRef riid As Guid,   ' GUID*
    ppv As IntPtr   ' void** out
) As Integer
End Function

' pByteStream : IMFByteStream*
' riid : GUID*
' ppv : void** out
Declare PtrSafe Function MFCreateStreamOnMFByteStreamEx Lib "mfplat" ( _
    ByVal pByteStream As LongPtr, _
    ByVal riid As LongPtr, _
    ByVal ppv 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

MFCreateStreamOnMFByteStreamEx = ctypes.windll.mfplat.MFCreateStreamOnMFByteStreamEx
MFCreateStreamOnMFByteStreamEx.restype = ctypes.c_int
MFCreateStreamOnMFByteStreamEx.argtypes = [
    ctypes.c_void_p,  # pByteStream : IMFByteStream*
    ctypes.c_void_p,  # riid : GUID*
    ctypes.c_void_p,  # ppv : void** out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('MFPlat.dll')
MFCreateStreamOnMFByteStreamEx = Fiddle::Function.new(
  lib['MFCreateStreamOnMFByteStreamEx'],
  [
    Fiddle::TYPE_VOIDP,  # pByteStream : IMFByteStream*
    Fiddle::TYPE_VOIDP,  # riid : GUID*
    Fiddle::TYPE_VOIDP,  # ppv : void** out
  ],
  Fiddle::TYPE_INT)

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

$sig = @"
[DllImport("MFPlat.dll")]
public static extern int MFCreateStreamOnMFByteStreamEx(IntPtr pByteStream, ref Guid riid, IntPtr ppv);
"@
$api = Add-Type -MemberDefinition $sig -Name 'MFPlat_MFCreateStreamOnMFByteStreamEx' -Namespace Win32 -PassThru
# $api::MFCreateStreamOnMFByteStreamEx(pByteStream, riid, ppv)

#uselib "MFPlat.dll"
#func global MFCreateStreamOnMFByteStreamEx "MFCreateStreamOnMFByteStreamEx" sptr, sptr, sptr
; MFCreateStreamOnMFByteStreamEx pByteStream, varptr(riid), ppv   ; 戻り値は stat
; pByteStream : IMFByteStream* -> "sptr"
; riid : GUID* -> "sptr"
; ppv : void** 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 MFCreateStreamOnMFByteStreamEx "MFCreateStreamOnMFByteStreamEx" sptr, var, sptr
; res = MFCreateStreamOnMFByteStreamEx(pByteStream, riid, ppv)
; pByteStream : IMFByteStream* -> "sptr"
; riid : GUID* -> "var"
; ppv : void** out -> "sptr"
; ※出力/バッファ引数は var 方式(変数を直接渡す)。varptr 方式にも切替可。

; HRESULT MFCreateStreamOnMFByteStreamEx(IMFByteStream* pByteStream, GUID* riid, void** ppv)
#uselib "MFPlat.dll"
#cfunc global MFCreateStreamOnMFByteStreamEx "MFCreateStreamOnMFByteStreamEx" intptr, var, intptr
; res = MFCreateStreamOnMFByteStreamEx(pByteStream, riid, ppv)
; pByteStream : IMFByteStream* -> "intptr"
; riid : GUID* -> "var"
; ppv : void** out -> "intptr"
; ※出力/バッファ引数は var 方式(変数を直接渡す)。varptr 方式にも切替可。

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

var (
	mfplat = windows.NewLazySystemDLL("MFPlat.dll")
	procMFCreateStreamOnMFByteStreamEx = mfplat.NewProc("MFCreateStreamOnMFByteStreamEx")
)

// pByteStream (IMFByteStream*), riid (GUID*), ppv (void** out)
r1, _, err := procMFCreateStreamOnMFByteStreamEx.Call(
	uintptr(pByteStream),
	uintptr(riid),
	uintptr(ppv),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HRESULT

function MFCreateStreamOnMFByteStreamEx(
  pByteStream: Pointer;   // IMFByteStream*
  riid: PGUID;   // GUID*
  ppv: Pointer   // void** out
): Integer; stdcall;
  external 'MFPlat.dll' name 'MFCreateStreamOnMFByteStreamEx';

result := DllCall("MFPlat\MFCreateStreamOnMFByteStreamEx"
    , "Ptr", pByteStream   ; IMFByteStream*
    , "Ptr", riid   ; GUID*
    , "Ptr", ppv   ; void** out
    , "Int")   ; return: HRESULT

●MFCreateStreamOnMFByteStreamEx(pByteStream, riid, ppv) = DLL("MFPlat.dll", "int MFCreateStreamOnMFByteStreamEx(void*, void*, void*)")
# 呼び出し: MFCreateStreamOnMFByteStreamEx(pByteStream, riid, ppv)
# pByteStream : IMFByteStream* -> "void*"
# riid : GUID* -> "void*"
# ppv : void** 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)。